diff options
Diffstat (limited to 'target')
143 files changed, 65303 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.6/060-hso_devices.patch b/target/linux/generic/patches-3.6/060-hso_devices.patch new file mode 100644 index 0000000000..9b15c75721 --- /dev/null +++ b/target/linux/generic/patches-3.6/060-hso_devices.patch @@ -0,0 +1,36 @@ +--- a/drivers/net/usb/hso.c ++++ b/drivers/net/usb/hso.c +@@ -476,8 +476,10 @@ static const struct usb_device_id hso_id + {USB_DEVICE(0x0af0, 0x8400)}, + {USB_DEVICE(0x0af0, 0x8600)}, + {USB_DEVICE(0x0af0, 0x8800)}, +- {USB_DEVICE(0x0af0, 0x8900)}, +- {USB_DEVICE(0x0af0, 0x9000)}, ++ {USB_DEVICE(0x0af0, 0x8900)}, /* GTM 67xx */ ++ {USB_DEVICE(0x0af0, 0x9000)}, /* GTM 66xx */ ++ {USB_DEVICE(0x0af0, 0x9200)}, /* GTM 67xxWFS */ ++ {USB_DEVICE(0x0af0, 0x9300)}, /* GTM 66xxWFS */ + {USB_DEVICE(0x0af0, 0xd035)}, + {USB_DEVICE(0x0af0, 0xd055)}, + {USB_DEVICE(0x0af0, 0xd155)}, +--- a/drivers/usb/storage/unusual_devs.h ++++ b/drivers/usb/storage/unusual_devs.h +@@ -1231,6 +1231,18 @@ UNUSUAL_DEV( 0x0af0, 0x8304, 0x0000, 0x0 + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + 0 ), + ++UNUSUAL_DEV( 0x0af0, 0x9200, 0x0000, 0x0000, ++ "Option", ++ "Globetrotter 67xxWFS SD-Card", ++ USB_SC_DEVICE, USB_PR_DEVICE, NULL, ++ 0 ), ++ ++UNUSUAL_DEV( 0x0af0, 0x9300, 0x0000, 0x0000, ++ "Option", ++ "Globetrotter 66xxWFS SD-Card", ++ USB_SC_DEVICE, USB_PR_DEVICE, NULL, ++ 0 ), ++ + UNUSUAL_DEV( 0x0af0, 0xc100, 0x0000, 0x0000, + "Option", + "GI 070x SD-Card", diff --git a/target/linux/generic/patches-3.6/060-tcp-ecn-dont-delay-ACKS-after-CE.patch b/target/linux/generic/patches-3.6/060-tcp-ecn-dont-delay-ACKS-after-CE.patch new file mode 100644 index 0000000000..547e4faf73 --- /dev/null +++ b/target/linux/generic/patches-3.6/060-tcp-ecn-dont-delay-ACKS-after-CE.patch @@ -0,0 +1,63 @@ +From patchwork Mon Aug 6 21:04:43 2012 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 7bit +Subject: [net-next] tcp: ecn: dont delay ACKS after CE +Date: Mon, 06 Aug 2012 11:04:43 -0000 +From: Eric Dumazet <eric.dumazet@gmail.com> +X-Patchwork-Id: 175453 +Message-Id: <1344287083.26674.83.camel@edumazet-glaptop> +To: David Miller <davem@davemloft.net> +Cc: netdev <netdev@vger.kernel.org>, + Neal Cardwell <ncardwell@google.com> + +From: Eric Dumazet <edumazet@google.com> + +While playing with CoDel and ECN marking, I discovered a +non optimal behavior of receiver of CE (Congestion Encountered) +segments. + +In pathological cases, sender has reduced its cwnd to low values, +and receiver delays its ACK (by 40 ms). + +While RFC 3168 6.1.3 (The TCP Receiver) doesn't explicitly recommend +to send immediate ACKS, we believe its better to not delay ACKS, because +a CE segment should give same signal than a dropped segment, and its +quite important to reduce RTT to give ECE/CWR signals as fast as +possible. + +Note we already call tcp_enter_quickack_mode() from TCP_ECN_check_ce() +if we receive a retransmit, for the same reason. + +Signed-off-by: Eric Dumazet <edumazet@google.com> +Cc: Neal Cardwell <ncardwell@google.com> +Acked-by: Neal Cardwell <ncardwell@google.com> + +--- +net/ipv4/tcp_input.c | 6 +++++- + 1 file changed, 5 insertions(+), 1 deletion(-) + + + +-- +To unsubscribe from this list: send the line "unsubscribe netdev" in +the body of a message to majordomo@vger.kernel.org +More majordomo info at http://vger.kernel.org/majordomo-info.html + +diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c +index 2fd2bc9..fa2c2c2 100644 +--- a/net/ipv4/tcp_input.c ++++ b/net/ipv4/tcp_input.c +@@ -237,7 +237,11 @@ static inline void TCP_ECN_check_ce(struct tcp_sock *tp, const struct sk_buff *s + tcp_enter_quickack_mode((struct sock *)tp); + break; + case INET_ECN_CE: +- tp->ecn_flags |= TCP_ECN_DEMAND_CWR; ++ if (!(tp->ecn_flags & TCP_ECN_DEMAND_CWR)) { ++ /* Better not delay acks, sender can have a very low cwnd */ ++ tcp_enter_quickack_mode((struct sock *)tp); ++ tp->ecn_flags |= TCP_ECN_DEMAND_CWR; ++ } + /* fallinto */ + default: + tp->ecn_flags |= TCP_ECN_SEEN; diff --git a/target/linux/generic/patches-3.6/100-overlayfs.patch b/target/linux/generic/patches-3.6/100-overlayfs.patch new file mode 100644 index 0000000000..dcc1eaacff --- /dev/null +++ b/target/linux/generic/patches-3.6/100-overlayfs.patch @@ -0,0 +1,3213 @@ +diff -Nur -x .git vfs-4cbe5a5/Documentation/filesystems/Locking vfs-3d5a648/Documentation/filesystems/Locking +--- vfs-4cbe5a5/Documentation/filesystems/Locking 2012-09-01 19:39:58.000000000 +0200 ++++ vfs-3d5a648/Documentation/filesystems/Locking 2012-09-05 16:35:20.000000000 +0200 +@@ -64,6 +64,7 @@ + int (*atomic_open)(struct inode *, struct dentry *, + struct file *, unsigned open_flag, + umode_t create_mode, int *opened); ++ int (*dentry_open)(struct dentry *, struct file *, const struct cred *); + + locking rules: + all may block +@@ -92,6 +93,7 @@ + fiemap: no + update_time: no + atomic_open: yes ++dentry_open: no + + Additionally, ->rmdir(), ->unlink() and ->rename() have ->i_mutex on + victim. +diff -Nur -x .git vfs-4cbe5a5/Documentation/filesystems/overlayfs.txt vfs-3d5a648/Documentation/filesystems/overlayfs.txt +--- vfs-4cbe5a5/Documentation/filesystems/overlayfs.txt 1970-01-01 01:00:00.000000000 +0100 ++++ vfs-3d5a648/Documentation/filesystems/overlayfs.txt 2012-09-05 16:35:20.000000000 +0200 +@@ -0,0 +1,199 @@ ++Written by: Neil Brown <neilb@suse.de> ++ ++Overlay Filesystem ++================== ++ ++This document describes a prototype for a new approach to providing ++overlay-filesystem functionality in Linux (sometimes referred to as ++union-filesystems). An overlay-filesystem tries to present a ++filesystem which is the result over overlaying one filesystem on top ++of the other. ++ ++The result will inevitably fail to look exactly like a normal ++filesystem for various technical reasons. The expectation is that ++many use cases will be able to ignore these differences. ++ ++This approach is 'hybrid' because the objects that appear in the ++filesystem do not all appear to belong to that filesystem. In many ++cases an object accessed in the union will be indistinguishable ++from accessing the corresponding object from the original filesystem. ++This is most obvious from the 'st_dev' field returned by stat(2). ++ ++While directories will report an st_dev from the overlay-filesystem, ++all non-directory objects will report an st_dev from the lower or ++upper filesystem that is providing the object. Similarly st_ino will ++only be unique when combined with st_dev, and both of these can change ++over the lifetime of a non-directory object. Many applications and ++tools ignore these values and will not be affected. ++ ++Upper and Lower ++--------------- ++ ++An overlay filesystem combines two filesystems - an 'upper' filesystem ++and a 'lower' filesystem. When a name exists in both filesystems, the ++object in the 'upper' filesystem is visible while the object in the ++'lower' filesystem is either hidden or, in the case of directories, ++merged with the 'upper' object. ++ ++It would be more correct to refer to an upper and lower 'directory ++tree' rather than 'filesystem' as it is quite possible for both ++directory trees to be in the same filesystem and there is no ++requirement that the root of a filesystem be given for either upper or ++lower. ++ ++The lower filesystem can be any filesystem supported by Linux and does ++not need to be writable. The lower filesystem can even be another ++overlayfs. The upper filesystem will normally be writable and if it ++is it must support the creation of trusted.* extended attributes, and ++must provide valid d_type in readdir responses, at least for symbolic ++links - so NFS is not suitable. ++ ++A read-only overlay of two read-only filesystems may use any ++filesystem type. ++ ++Directories ++----------- ++ ++Overlaying mainly involves directories. If a given name appears in both ++upper and lower filesystems and refers to a non-directory in either, ++then the lower object is hidden - the name refers only to the upper ++object. ++ ++Where both upper and lower objects are directories, a merged directory ++is formed. ++ ++At mount time, the two directories given as mount options are combined ++into a merged directory: ++ ++ mount -t overlayfs overlayfs -olowerdir=/lower,upperdir=/upper /overlay ++ ++Then whenever a lookup is requested in such a merged directory, the ++lookup is performed in each actual directory and the combined result ++is cached in the dentry belonging to the overlay filesystem. If both ++actual lookups find directories, both are stored and a merged ++directory is created, otherwise only one is stored: the upper if it ++exists, else the lower. ++ ++Only the lists of names from directories are merged. Other content ++such as metadata and extended attributes are reported for the upper ++directory only. These attributes of the lower directory are hidden. ++ ++whiteouts and opaque directories ++-------------------------------- ++ ++In order to support rm and rmdir without changing the lower ++filesystem, an overlay filesystem needs to record in the upper filesystem ++that files have been removed. This is done using whiteouts and opaque ++directories (non-directories are always opaque). ++ ++The overlay filesystem uses extended attributes with a ++"trusted.overlay." prefix to record these details. ++ ++A whiteout is created as a symbolic link with target ++"(overlay-whiteout)" and with xattr "trusted.overlay.whiteout" set to "y". ++When a whiteout is found in the upper level of a merged directory, any ++matching name in the lower level is ignored, and the whiteout itself ++is also hidden. ++ ++A directory is made opaque by setting the xattr "trusted.overlay.opaque" ++to "y". Where the upper filesystem contains an opaque directory, any ++directory in the lower filesystem with the same name is ignored. ++ ++readdir ++------- ++ ++When a 'readdir' request is made on a merged directory, the upper and ++lower directories are each read and the name lists merged in the ++obvious way (upper is read first, then lower - entries that already ++exist are not re-added). This merged name list is cached in the ++'struct file' and so remains as long as the file is kept open. If the ++directory is opened and read by two processes at the same time, they ++will each have separate caches. A seekdir to the start of the ++directory (offset 0) followed by a readdir will cause the cache to be ++discarded and rebuilt. ++ ++This means that changes to the merged directory do not appear while a ++directory is being read. This is unlikely to be noticed by many ++programs. ++ ++seek offsets are assigned sequentially when the directories are read. ++Thus if ++ - read part of a directory ++ - remember an offset, and close the directory ++ - re-open the directory some time later ++ - seek to the remembered offset ++ ++there may be little correlation between the old and new locations in ++the list of filenames, particularly if anything has changed in the ++directory. ++ ++Readdir on directories that are not merged is simply handled by the ++underlying directory (upper or lower). ++ ++ ++Non-directories ++--------------- ++ ++Objects that are not directories (files, symlinks, device-special ++files etc.) are presented either from the upper or lower filesystem as ++appropriate. When a file in the lower filesystem is accessed in a way ++the requires write-access, such as opening for write access, changing ++some metadata etc., the file is first copied from the lower filesystem ++to the upper filesystem (copy_up). Note that creating a hard-link ++also requires copy_up, though of course creation of a symlink does ++not. ++ ++The copy_up may turn out to be unnecessary, for example if the file is ++opened for read-write but the data is not modified. ++ ++The copy_up process first makes sure that the containing directory ++exists in the upper filesystem - creating it and any parents as ++necessary. It then creates the object with the same metadata (owner, ++mode, mtime, symlink-target etc.) and then if the object is a file, the ++data is copied from the lower to the upper filesystem. Finally any ++extended attributes are copied up. ++ ++Once the copy_up is complete, the overlay filesystem simply ++provides direct access to the newly created file in the upper ++filesystem - future operations on the file are barely noticed by the ++overlay filesystem (though an operation on the name of the file such as ++rename or unlink will of course be noticed and handled). ++ ++ ++Non-standard behavior ++--------------------- ++ ++The copy_up operation essentially creates a new, identical file and ++moves it over to the old name. The new file may be on a different ++filesystem, so both st_dev and st_ino of the file may change. ++ ++Any open files referring to this inode will access the old data and ++metadata. Similarly any file locks obtained before copy_up will not ++apply to the copied up file. ++ ++On a file opened with O_RDONLY fchmod(2), fchown(2), futimesat(2) and ++fsetxattr(2) will fail with EROFS. ++ ++If a file with multiple hard links is copied up, then this will ++"break" the link. Changes will not be propagated to other names ++referring to the same inode. ++ ++Symlinks in /proc/PID/ and /proc/PID/fd which point to a non-directory ++object in overlayfs will not contain valid absolute paths, only ++relative paths leading up to the filesystem's root. This will be ++fixed in the future. ++ ++Some operations are not atomic, for example a crash during copy_up or ++rename will leave the filesystem in an inconsistent state. This will ++be addressed in the future. ++ ++Changes to underlying filesystems ++--------------------------------- ++ ++Offline changes, when the overlay is not mounted, are allowed to either ++the upper or the lower trees. ++ ++Changes to the underlying filesystems while part of a mounted overlay ++filesystem are not allowed. If the underlying filesystem is changed, ++the behavior of the overlay is undefined, though it will not result in ++a crash or deadlock. +diff -Nur -x .git vfs-4cbe5a5/Documentation/filesystems/vfs.txt vfs-3d5a648/Documentation/filesystems/vfs.txt +--- vfs-4cbe5a5/Documentation/filesystems/vfs.txt 2012-09-01 19:39:58.000000000 +0200 ++++ vfs-3d5a648/Documentation/filesystems/vfs.txt 2012-09-05 16:35:20.000000000 +0200 +@@ -363,6 +363,7 @@ + int (*atomic_open)(struct inode *, struct dentry *, + struct file *, unsigned open_flag, + umode_t create_mode, int *opened); ++ int (*dentry_open)(struct dentry *, struct file *, const struct cred *); + }; + + Again, all methods are called without any locks being held, unless +@@ -692,6 +693,12 @@ + but instead uses bmap to find out where the blocks in the file + are and uses those addresses directly. + ++ dentry_open: this is an alternative to f_op->open(), the difference is that ++ this method may open a file not necessarily originating from the same ++ filesystem as the one i_op->open() was called on. It may be ++ useful for stacking filesystems which want to allow native I/O directly ++ on underlying files. ++ + + invalidatepage: If a page has PagePrivate set, then invalidatepage + will be called when part or all of the page is to be removed +diff -Nur -x .git vfs-4cbe5a5/fs/ecryptfs/main.c vfs-3d5a648/fs/ecryptfs/main.c +--- vfs-4cbe5a5/fs/ecryptfs/main.c 2012-09-01 19:39:58.000000000 +0200 ++++ vfs-3d5a648/fs/ecryptfs/main.c 2012-09-05 16:35:20.000000000 +0200 +@@ -565,6 +565,13 @@ + s->s_maxbytes = path.dentry->d_sb->s_maxbytes; + s->s_blocksize = path.dentry->d_sb->s_blocksize; + s->s_magic = ECRYPTFS_SUPER_MAGIC; ++ s->s_stack_depth = path.dentry->d_sb->s_stack_depth + 1; ++ ++ rc = -EINVAL; ++ if (s->s_stack_depth > FILESYSTEM_MAX_STACK_DEPTH) { ++ printk(KERN_ERR "eCryptfs: maximum fs stacking depth exceeded\n"); ++ goto out_free; ++ } + + inode = ecryptfs_get_inode(path.dentry->d_inode, s); + rc = PTR_ERR(inode); +diff -Nur -x .git vfs-4cbe5a5/fs/internal.h vfs-3d5a648/fs/internal.h +--- vfs-4cbe5a5/fs/internal.h 2012-09-01 19:39:58.000000000 +0200 ++++ vfs-3d5a648/fs/internal.h 2012-09-05 16:35:20.000000000 +0200 +@@ -42,11 +42,6 @@ + extern void __init chrdev_init(void); + + /* +- * namei.c +- */ +-extern int __inode_permission(struct inode *, int); +- +-/* + * namespace.c + */ + extern int copy_mount_options(const void __user *, unsigned long *); +diff -Nur -x .git vfs-4cbe5a5/fs/Kconfig vfs-3d5a648/fs/Kconfig +--- vfs-4cbe5a5/fs/Kconfig 2012-09-01 19:39:58.000000000 +0200 ++++ vfs-3d5a648/fs/Kconfig 2012-09-05 16:35:20.000000000 +0200 +@@ -67,6 +67,7 @@ + + source "fs/autofs4/Kconfig" + source "fs/fuse/Kconfig" ++source "fs/overlayfs/Kconfig" + + config CUSE + tristate "Character device in Userspace support" +diff -Nur -x .git vfs-4cbe5a5/fs/Makefile vfs-3d5a648/fs/Makefile +--- vfs-4cbe5a5/fs/Makefile 2012-09-01 19:39:58.000000000 +0200 ++++ vfs-3d5a648/fs/Makefile 2012-09-05 16:35:20.000000000 +0200 +@@ -106,6 +106,7 @@ + obj-$(CONFIG_AUTOFS4_FS) += autofs4/ + obj-$(CONFIG_ADFS_FS) += adfs/ + obj-$(CONFIG_FUSE_FS) += fuse/ ++obj-$(CONFIG_OVERLAYFS_FS) += overlayfs/ + obj-$(CONFIG_UDF_FS) += udf/ + obj-$(CONFIG_SUN_OPENPROMFS) += openpromfs/ + obj-$(CONFIG_OMFS_FS) += omfs/ +diff -Nur -x .git vfs-4cbe5a5/fs/namei.c vfs-3d5a648/fs/namei.c +--- vfs-4cbe5a5/fs/namei.c 2012-09-01 19:39:58.000000000 +0200 ++++ vfs-3d5a648/fs/namei.c 2012-09-05 16:35:20.000000000 +0200 +@@ -348,6 +348,7 @@ + + return security_inode_permission(inode, mask); + } ++EXPORT_SYMBOL(__inode_permission); + + /** + * sb_permission - Check superblock-level permissions +@@ -2822,9 +2823,12 @@ + error = may_open(&nd->path, acc_mode, open_flag); + if (error) + goto out; +- file->f_path.mnt = nd->path.mnt; +- error = finish_open(file, nd->path.dentry, NULL, opened); +- if (error) { ++ ++ BUG_ON(*opened & FILE_OPENED); /* once it's opened, it's opened */ ++ error = vfs_open(&nd->path, file, current_cred()); ++ if (!error) { ++ *opened |= FILE_OPENED; ++ } else { + if (error == -EOPENSTALE) + goto stale_open; + goto out; +diff -Nur -x .git vfs-4cbe5a5/fs/namespace.c vfs-3d5a648/fs/namespace.c +--- vfs-4cbe5a5/fs/namespace.c 2012-09-01 19:39:58.000000000 +0200 ++++ vfs-3d5a648/fs/namespace.c 2012-09-05 16:35:20.000000000 +0200 +@@ -1387,6 +1387,24 @@ + release_mounts(&umount_list); + } + ++struct vfsmount *clone_private_mount(struct path *path) ++{ ++ struct mount *old_mnt = real_mount(path->mnt); ++ struct mount *new_mnt; ++ ++ if (IS_MNT_UNBINDABLE(old_mnt)) ++ return ERR_PTR(-EINVAL); ++ ++ down_read(&namespace_sem); ++ new_mnt = clone_mnt(old_mnt, path->dentry, CL_PRIVATE); ++ up_read(&namespace_sem); ++ if (!new_mnt) ++ return ERR_PTR(-ENOMEM); ++ ++ return &new_mnt->mnt; ++} ++EXPORT_SYMBOL_GPL(clone_private_mount); ++ + int iterate_mounts(int (*f)(struct vfsmount *, void *), void *arg, + struct vfsmount *root) + { +diff -Nur -x .git vfs-4cbe5a5/fs/open.c vfs-3d5a648/fs/open.c +--- vfs-4cbe5a5/fs/open.c 2012-09-01 19:39:58.000000000 +0200 ++++ vfs-3d5a648/fs/open.c 2012-09-05 16:35:20.000000000 +0200 +@@ -787,8 +787,7 @@ + return ERR_PTR(error); + + f->f_flags = flags; +- f->f_path = *path; +- error = do_dentry_open(f, NULL, cred); ++ error = vfs_open(path, f, cred); + if (!error) { + error = open_check_o_direct(f); + if (error) { +@@ -803,6 +802,26 @@ + } + EXPORT_SYMBOL(dentry_open); + ++/** ++ * vfs_open - open the file at the given path ++ * @path: path to open ++ * @filp: newly allocated file with f_flag initialized ++ * @cred: credentials to use ++ */ ++int vfs_open(const struct path *path, struct file *filp, ++ const struct cred *cred) ++{ ++ struct inode *inode = path->dentry->d_inode; ++ ++ if (inode->i_op->dentry_open) ++ return inode->i_op->dentry_open(path->dentry, filp, cred); ++ else { ++ filp->f_path = *path; ++ return do_dentry_open(filp, NULL, cred); ++ } ++} ++EXPORT_SYMBOL(vfs_open); ++ + static void __put_unused_fd(struct files_struct *files, unsigned int fd) + { + struct fdtable *fdt = files_fdtable(files); +diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/copy_up.c vfs-3d5a648/fs/overlayfs/copy_up.c +--- vfs-4cbe5a5/fs/overlayfs/copy_up.c 1970-01-01 01:00:00.000000000 +0100 ++++ vfs-3d5a648/fs/overlayfs/copy_up.c 2012-09-05 16:35:20.000000000 +0200 +@@ -0,0 +1,385 @@ ++/* ++ * ++ * Copyright (C) 2011 Novell Inc. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published by ++ * the Free Software Foundation. ++ */ ++ ++#include <linux/fs.h> ++#include <linux/slab.h> ++#include <linux/file.h> ++#include <linux/splice.h> ++#include <linux/xattr.h> ++#include <linux/security.h> ++#include <linux/uaccess.h> ++#include <linux/sched.h> ++#include "overlayfs.h" ++ ++#define OVL_COPY_UP_CHUNK_SIZE (1 << 20) ++ ++static int ovl_copy_up_xattr(struct dentry *old, struct dentry *new) ++{ ++ ssize_t list_size, size; ++ char *buf, *name, *value; ++ int error; ++ ++ if (!old->d_inode->i_op->getxattr || ++ !new->d_inode->i_op->getxattr) ++ return 0; ++ ++ list_size = vfs_listxattr(old, NULL, 0); ++ if (list_size <= 0) { ++ if (list_size == -EOPNOTSUPP) ++ return 0; ++ return list_size; ++ } ++ ++ buf = kzalloc(list_size, GFP_KERNEL); ++ if (!buf) ++ return -ENOMEM; ++ ++ error = -ENOMEM; ++ value = kmalloc(XATTR_SIZE_MAX, GFP_KERNEL); ++ if (!value) ++ goto out; ++ ++ list_size = vfs_listxattr(old, buf, list_size); ++ if (list_size <= 0) { ++ error = list_size; ++ goto out_free_value; ++ } ++ ++ for (name = buf; name < (buf + list_size); name += strlen(name) + 1) { ++ size = vfs_getxattr(old, name, value, XATTR_SIZE_MAX); ++ if (size <= 0) { ++ error = size; ++ goto out_free_value; ++ } ++ error = vfs_setxattr(new, name, value, size, 0); ++ if (error) ++ goto out_free_value; ++ } ++ ++out_free_value: ++ kfree(value); ++out: ++ kfree(buf); ++ return error; ++} ++ ++static int ovl_copy_up_data(struct path *old, struct path *new, loff_t len) ++{ ++ struct file *old_file; ++ struct file *new_file; ++ int error = 0; ++ ++ if (len == 0) ++ return 0; ++ ++ old_file = ovl_path_open(old, O_RDONLY); ++ if (IS_ERR(old_file)) ++ return PTR_ERR(old_file); ++ ++ new_file = ovl_path_open(new, O_WRONLY); ++ if (IS_ERR(new_file)) { ++ error = PTR_ERR(new_file); ++ goto out_fput; ++ } ++ ++ /* FIXME: copy up sparse files efficiently */ ++ while (len) { ++ loff_t offset = new_file->f_pos; ++ size_t this_len = OVL_COPY_UP_CHUNK_SIZE; ++ long bytes; ++ ++ if (len < this_len) ++ this_len = len; ++ ++ if (signal_pending_state(TASK_KILLABLE, current)) { ++ error = -EINTR; ++ break; ++ } ++ ++ bytes = do_splice_direct(old_file, &offset, new_file, this_len, ++ SPLICE_F_MOVE); ++ if (bytes <= 0) { ++ error = bytes; ++ break; ++ } ++ ++ len -= bytes; ++ } ++ ++ fput(new_file); ++out_fput: ++ fput(old_file); ++ return error; ++} ++ ++static char *ovl_read_symlink(struct dentry *realdentry) ++{ ++ int res; ++ char *buf; ++ struct inode *inode = realdentry->d_inode; ++ mm_segment_t old_fs; ++ ++ res = -EINVAL; ++ if (!inode->i_op->readlink) ++ goto err; ++ ++ res = -ENOMEM; ++ buf = (char *) __get_free_page(GFP_KERNEL); ++ if (!buf) ++ goto err; ++ ++ old_fs = get_fs(); ++ set_fs(get_ds()); ++ /* The cast to a user pointer is valid due to the set_fs() */ ++ res = inode->i_op->readlink(realdentry, ++ (char __user *)buf, PAGE_SIZE - 1); ++ set_fs(old_fs); ++ if (res < 0) { ++ free_page((unsigned long) buf); ++ goto err; ++ } ++ buf[res] = '\0'; ++ ++ return buf; ++ ++err: ++ return ERR_PTR(res); ++} ++ ++static int ovl_set_timestamps(struct dentry *upperdentry, struct kstat *stat) ++{ ++ struct iattr attr = { ++ .ia_valid = ++ ATTR_ATIME | ATTR_MTIME | ATTR_ATIME_SET | ATTR_MTIME_SET, ++ .ia_atime = stat->atime, ++ .ia_mtime = stat->mtime, ++ }; ++ ++ return notify_change(upperdentry, &attr); ++} ++ ++static int ovl_set_mode(struct dentry *upperdentry, umode_t mode) ++{ ++ struct iattr attr = { ++ .ia_valid = ATTR_MODE, ++ .ia_mode = mode, ++ }; ++ ++ return notify_change(upperdentry, &attr); ++} ++ ++static int ovl_copy_up_locked(struct dentry *upperdir, struct dentry *dentry, ++ struct path *lowerpath, struct kstat *stat, ++ const char *link) ++{ ++ int err; ++ struct path newpath; ++ umode_t mode = stat->mode; ++ ++ /* Can't properly set mode on creation because of the umask */ ++ stat->mode &= S_IFMT; ++ ++ ovl_path_upper(dentry, &newpath); ++ WARN_ON(newpath.dentry); ++ newpath.dentry = ovl_upper_create(upperdir, dentry, stat, link); ++ if (IS_ERR(newpath.dentry)) ++ return PTR_ERR(newpath.dentry); ++ ++ if (S_ISREG(stat->mode)) { ++ err = ovl_copy_up_data(lowerpath, &newpath, stat->size); ++ if (err) ++ goto err_remove; ++ } ++ ++ err = ovl_copy_up_xattr(lowerpath->dentry, newpath.dentry); ++ if (err) ++ goto err_remove; ++ ++ mutex_lock(&newpath.dentry->d_inode->i_mutex); ++ if (!S_ISLNK(stat->mode)) ++ err = ovl_set_mode(newpath.dentry, mode); ++ if (!err) ++ err = ovl_set_timestamps(newpath.dentry, stat); ++ mutex_unlock(&newpath.dentry->d_inode->i_mutex); ++ if (err) ++ goto err_remove; ++ ++ ovl_dentry_update(dentry, newpath.dentry); ++ ++ /* ++ * Easiest way to get rid of the lower dentry reference is to ++ * drop this dentry. This is neither needed nor possible for ++ * directories. ++ */ ++ if (!S_ISDIR(stat->mode)) ++ d_drop(dentry); ++ ++ return 0; ++ ++err_remove: ++ if (S_ISDIR(stat->mode)) ++ vfs_rmdir(upperdir->d_inode, newpath.dentry); ++ else ++ vfs_unlink(upperdir->d_inode, newpath.dentry); ++ ++ dput(newpath.dentry); ++ ++ return err; ++} ++ ++/* ++ * Copy up a single dentry ++ * ++ * Directory renames only allowed on "pure upper" (already created on ++ * upper filesystem, never copied up). Directories which are on lower or ++ * are merged may not be renamed. For these -EXDEV is returned and ++ * userspace has to deal with it. This means, when copying up a ++ * directory we can rely on it and ancestors being stable. ++ * ++ * Non-directory renames start with copy up of source if necessary. The ++ * actual rename will only proceed once the copy up was successful. Copy ++ * up uses upper parent i_mutex for exclusion. Since rename can change ++ * d_parent it is possible that the copy up will lock the old parent. At ++ * that point the file will have already been copied up anyway. ++ */ ++static int ovl_copy_up_one(struct dentry *parent, struct dentry *dentry, ++ struct path *lowerpath, struct kstat *stat) ++{ ++ int err; ++ struct kstat pstat; ++ struct path parentpath; ++ struct dentry *upperdir; ++ const struct cred *old_cred; ++ struct cred *override_cred; ++ char *link = NULL; ++ ++ ovl_path_upper(parent, &parentpath); ++ upperdir = parentpath.dentry; ++ ++ err = vfs_getattr(parentpath.mnt, parentpath.dentry, &pstat); ++ if (err) ++ return err; ++ ++ if (S_ISLNK(stat->mode)) { ++ link = ovl_read_symlink(lowerpath->dentry); ++ if (IS_ERR(link)) ++ return PTR_ERR(link); ++ } ++ ++ err = -ENOMEM; ++ override_cred = prepare_creds(); ++ if (!override_cred) ++ goto out_free_link; ++ ++ override_cred->fsuid = stat->uid; ++ override_cred->fsgid = stat->gid; ++ /* ++ * CAP_SYS_ADMIN for copying up extended attributes ++ * CAP_DAC_OVERRIDE for create ++ * CAP_FOWNER for chmod, timestamp update ++ * CAP_FSETID for chmod ++ * CAP_MKNOD for mknod ++ */ ++ cap_raise(override_cred->cap_effective, CAP_SYS_ADMIN); ++ cap_raise(override_cred->cap_effective, CAP_DAC_OVERRIDE); ++ cap_raise(override_cred->cap_effective, CAP_FOWNER); ++ cap_raise(override_cred->cap_effective, CAP_FSETID); ++ cap_raise(override_cred->cap_effective, CAP_MKNOD); ++ old_cred = override_creds(override_cred); ++ ++ mutex_lock_nested(&upperdir->d_inode->i_mutex, I_MUTEX_PARENT); ++ if (ovl_path_type(dentry) != OVL_PATH_LOWER) { ++ err = 0; ++ } else { ++ err = ovl_copy_up_locked(upperdir, dentry, lowerpath, ++ stat, link); ++ if (!err) { ++ /* Restore timestamps on parent (best effort) */ ++ ovl_set_timestamps(upperdir, &pstat); ++ } ++ } ++ ++ mutex_unlock(&upperdir->d_inode->i_mutex); ++ ++ revert_creds(old_cred); ++ put_cred(override_cred); ++ ++out_free_link: ++ if (link) ++ free_page((unsigned long) link); ++ ++ return err; ++} ++ ++int ovl_copy_up(struct dentry *dentry) ++{ ++ int err; ++ ++ err = 0; ++ while (!err) { ++ struct dentry *next; ++ struct dentry *parent; ++ struct path lowerpath; ++ struct kstat stat; ++ enum ovl_path_type type = ovl_path_type(dentry); ++ ++ if (type != OVL_PATH_LOWER) ++ break; ++ ++ next = dget(dentry); ++ /* find the topmost dentry not yet copied up */ ++ for (;;) { ++ parent = dget_parent(next); ++ ++ type = ovl_path_type(parent); ++ if (type != OVL_PATH_LOWER) ++ break; ++ ++ dput(next); ++ next = parent; ++ } ++ ++ ovl_path_lower(next, &lowerpath); ++ err = vfs_getattr(lowerpath.mnt, lowerpath.dentry, &stat); ++ if (!err) ++ err = ovl_copy_up_one(parent, next, &lowerpath, &stat); ++ ++ dput(parent); ++ dput(next); ++ } ++ ++ return err; ++} ++ ++/* Optimize by not copying up the file first and truncating later */ ++int ovl_copy_up_truncate(struct dentry *dentry, loff_t size) ++{ ++ int err; ++ struct kstat stat; ++ struct path lowerpath; ++ struct dentry *parent = dget_parent(dentry); ++ ++ err = ovl_copy_up(parent); ++ if (err) ++ goto out_dput_parent; ++ ++ ovl_path_lower(dentry, &lowerpath); ++ err = vfs_getattr(lowerpath.mnt, lowerpath.dentry, &stat); ++ if (err) ++ goto out_dput_parent; ++ ++ if (size < stat.size) ++ stat.size = size; ++ ++ err = ovl_copy_up_one(parent, dentry, &lowerpath, &stat); ++ ++out_dput_parent: ++ dput(parent); ++ return err; ++} +diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/dir.c vfs-3d5a648/fs/overlayfs/dir.c +--- vfs-4cbe5a5/fs/overlayfs/dir.c 1970-01-01 01:00:00.000000000 +0100 ++++ vfs-3d5a648/fs/overlayfs/dir.c 2012-09-05 16:35:20.000000000 +0200 +@@ -0,0 +1,604 @@ ++/* ++ * ++ * Copyright (C) 2011 Novell Inc. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published by ++ * the Free Software Foundation. ++ */ ++ ++#include <linux/fs.h> ++#include <linux/namei.h> ++#include <linux/xattr.h> ++#include <linux/security.h> ++#include <linux/cred.h> ++#include "overlayfs.h" ++ ++static const char *ovl_whiteout_symlink = "(overlay-whiteout)"; ++ ++static int ovl_whiteout(struct dentry *upperdir, struct dentry *dentry) ++{ ++ int err; ++ struct dentry *newdentry; ++ const struct cred *old_cred; ++ struct cred *override_cred; ++ ++ /* FIXME: recheck lower dentry to see if whiteout is really needed */ ++ ++ err = -ENOMEM; ++ override_cred = prepare_creds(); ++ if (!override_cred) ++ goto out; ++ ++ /* ++ * CAP_SYS_ADMIN for setxattr ++ * CAP_DAC_OVERRIDE for symlink creation ++ * CAP_FOWNER for unlink in sticky directory ++ */ ++ cap_raise(override_cred->cap_effective, CAP_SYS_ADMIN); ++ cap_raise(override_cred->cap_effective, CAP_DAC_OVERRIDE); ++ cap_raise(override_cred->cap_effective, CAP_FOWNER); ++ override_cred->fsuid = GLOBAL_ROOT_UID; ++ override_cred->fsgid = GLOBAL_ROOT_GID; ++ old_cred = override_creds(override_cred); ++ ++ newdentry = lookup_one_len(dentry->d_name.name, upperdir, ++ dentry->d_name.len); ++ err = PTR_ERR(newdentry); ++ if (IS_ERR(newdentry)) ++ goto out_put_cred; ++ ++ /* Just been removed within the same locked region */ ++ WARN_ON(newdentry->d_inode); ++ ++ err = vfs_symlink(upperdir->d_inode, newdentry, ovl_whiteout_symlink); ++ if (err) ++ goto out_dput; ++ ++ ovl_dentry_version_inc(dentry->d_parent); ++ ++ err = vfs_setxattr(newdentry, ovl_whiteout_xattr, "y", 1, 0); ++ if (err) ++ vfs_unlink(upperdir->d_inode, newdentry); ++ ++out_dput: ++ dput(newdentry); ++out_put_cred: ++ revert_creds(old_cred); ++ put_cred(override_cred); ++out: ++ if (err) { ++ /* ++ * There's no way to recover from failure to whiteout. ++ * What should we do? Log a big fat error and... ? ++ */ ++ printk(KERN_ERR "overlayfs: ERROR - failed to whiteout '%s'\n", ++ dentry->d_name.name); ++ } ++ ++ return err; ++} ++ ++static struct dentry *ovl_lookup_create(struct dentry *upperdir, ++ struct dentry *template) ++{ ++ int err; ++ struct dentry *newdentry; ++ struct qstr *name = &template->d_name; ++ ++ newdentry = lookup_one_len(name->name, upperdir, name->len); ++ if (IS_ERR(newdentry)) ++ return newdentry; ++ ++ if (newdentry->d_inode) { ++ const struct cred *old_cred; ++ struct cred *override_cred; ++ ++ /* No need to check whiteout if lower parent is non-existent */ ++ err = -EEXIST; ++ if (!ovl_dentry_lower(template->d_parent)) ++ goto out_dput; ++ ++ if (!S_ISLNK(newdentry->d_inode->i_mode)) ++ goto out_dput; ++ ++ err = -ENOMEM; ++ override_cred = prepare_creds(); ++ if (!override_cred) ++ goto out_dput; ++ ++ /* ++ * CAP_SYS_ADMIN for getxattr ++ * CAP_FOWNER for unlink in sticky directory ++ */ ++ cap_raise(override_cred->cap_effective, CAP_SYS_ADMIN); ++ cap_raise(override_cred->cap_effective, CAP_FOWNER); ++ old_cred = override_creds(override_cred); ++ ++ err = -EEXIST; ++ if (ovl_is_whiteout(newdentry)) ++ err = vfs_unlink(upperdir->d_inode, newdentry); ++ ++ revert_creds(old_cred); ++ put_cred(override_cred); ++ if (err) ++ goto out_dput; ++ ++ dput(newdentry); ++ newdentry = lookup_one_len(name->name, upperdir, name->len); ++ if (IS_ERR(newdentry)) { ++ ovl_whiteout(upperdir, template); ++ return newdentry; ++ } ++ ++ /* ++ * Whiteout just been successfully removed, parent ++ * i_mutex is still held, there's no way the lookup ++ * could return positive. ++ */ ++ WARN_ON(newdentry->d_inode); ++ } ++ ++ return newdentry; ++ ++out_dput: ++ dput(newdentry); ++ return ERR_PTR(err); ++} ++ ++struct dentry *ovl_upper_create(struct dentry *upperdir, struct dentry *dentry, ++ struct kstat *stat, const char *link) ++{ ++ int err; ++ struct dentry *newdentry; ++ struct inode *dir = upperdir->d_inode; ++ ++ newdentry = ovl_lookup_create(upperdir, dentry); ++ if (IS_ERR(newdentry)) ++ goto out; ++ ++ switch (stat->mode & S_IFMT) { ++ case S_IFREG: ++ err = vfs_create(dir, newdentry, stat->mode, NULL); ++ break; ++ ++ case S_IFDIR: ++ err = vfs_mkdir(dir, newdentry, stat->mode); ++ break; ++ ++ case S_IFCHR: ++ case S_IFBLK: ++ case S_IFIFO: ++ case S_IFSOCK: ++ err = vfs_mknod(dir, newdentry, stat->mode, stat->rdev); ++ break; ++ ++ case S_IFLNK: ++ err = vfs_symlink(dir, newdentry, link); ++ break; ++ ++ default: ++ err = -EPERM; ++ } ++ if (err) { ++ if (ovl_dentry_is_opaque(dentry)) ++ ovl_whiteout(upperdir, dentry); ++ dput(newdentry); ++ newdentry = ERR_PTR(err); ++ } else if (WARN_ON(!newdentry->d_inode)) { ++ /* ++ * Not quite sure if non-instantiated dentry is legal or not. ++ * VFS doesn't seem to care so check and warn here. ++ */ ++ dput(newdentry); ++ newdentry = ERR_PTR(-ENOENT); ++ } ++ ++out: ++ return newdentry; ++ ++} ++ ++static int ovl_set_opaque(struct dentry *upperdentry) ++{ ++ int err; ++ const struct cred *old_cred; ++ struct cred *override_cred; ++ ++ override_cred = prepare_creds(); ++ if (!override_cred) ++ return -ENOMEM; ++ ++ /* CAP_SYS_ADMIN for setxattr of "trusted" namespace */ ++ cap_raise(override_cred->cap_effective, CAP_SYS_ADMIN); ++ old_cred = override_creds(override_cred); ++ err = vfs_setxattr(upperdentry, ovl_opaque_xattr, "y", 1, 0); ++ revert_creds(old_cred); ++ put_cred(override_cred); ++ ++ return err; ++} ++ ++static int ovl_remove_opaque(struct dentry *upperdentry) ++{ ++ int err; ++ const struct cred *old_cred; ++ struct cred *override_cred; ++ ++ override_cred = prepare_creds(); ++ if (!override_cred) ++ return -ENOMEM; ++ ++ /* CAP_SYS_ADMIN for removexattr of "trusted" namespace */ ++ cap_raise(override_cred->cap_effective, CAP_SYS_ADMIN); ++ old_cred = override_creds(override_cred); ++ err = vfs_removexattr(upperdentry, ovl_opaque_xattr); ++ revert_creds(old_cred); ++ put_cred(override_cred); ++ ++ return err; ++} ++ ++static int ovl_dir_getattr(struct vfsmount *mnt, struct dentry *dentry, ++ struct kstat *stat) ++{ ++ int err; ++ enum ovl_path_type type; ++ struct path realpath; ++ ++ type = ovl_path_real(dentry, &realpath); ++ err = vfs_getattr(realpath.mnt, realpath.dentry, stat); ++ if (err) ++ return err; ++ ++ stat->dev = dentry->d_sb->s_dev; ++ stat->ino = dentry->d_inode->i_ino; ++ ++ /* ++ * It's probably not worth it to count subdirs to get the ++ * correct link count. nlink=1 seems to pacify 'find' and ++ * other utilities. ++ */ ++ if (type == OVL_PATH_MERGE) ++ stat->nlink = 1; ++ ++ return 0; ++} ++ ++static int ovl_create_object(struct dentry *dentry, int mode, dev_t rdev, ++ const char *link) ++{ ++ int err; ++ struct dentry *newdentry; ++ struct dentry *upperdir; ++ struct inode *inode; ++ struct kstat stat = { ++ .mode = mode, ++ .rdev = rdev, ++ }; ++ ++ err = -ENOMEM; ++ inode = ovl_new_inode(dentry->d_sb, mode, dentry->d_fsdata); ++ if (!inode) ++ goto out; ++ ++ err = ovl_copy_up(dentry->d_parent); ++ if (err) ++ goto out_iput; ++ ++ upperdir = ovl_dentry_upper(dentry->d_parent); ++ mutex_lock_nested(&upperdir->d_inode->i_mutex, I_MUTEX_PARENT); ++ ++ newdentry = ovl_upper_create(upperdir, dentry, &stat, link); ++ err = PTR_ERR(newdentry); ++ if (IS_ERR(newdentry)) ++ goto out_unlock; ++ ++ ovl_dentry_version_inc(dentry->d_parent); ++ if (ovl_dentry_is_opaque(dentry) && S_ISDIR(mode)) { ++ err = ovl_set_opaque(newdentry); ++ if (err) { ++ vfs_rmdir(upperdir->d_inode, newdentry); ++ ovl_whiteout(upperdir, dentry); ++ goto out_dput; ++ } ++ } ++ ovl_dentry_update(dentry, newdentry); ++ ovl_copyattr(newdentry->d_inode, inode); ++ d_instantiate(dentry, inode); ++ inode = NULL; ++ newdentry = NULL; ++ err = 0; ++ ++out_dput: ++ dput(newdentry); ++out_unlock: ++ mutex_unlock(&upperdir->d_inode->i_mutex); ++out_iput: ++ iput(inode); ++out: ++ return err; ++} ++ ++static int ovl_create(struct inode *dir, struct dentry *dentry, umode_t mode, ++ bool excl) ++{ ++ return ovl_create_object(dentry, (mode & 07777) | S_IFREG, 0, NULL); ++} ++ ++static int ovl_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) ++{ ++ return ovl_create_object(dentry, (mode & 07777) | S_IFDIR, 0, NULL); ++} ++ ++static int ovl_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, ++ dev_t rdev) ++{ ++ return ovl_create_object(dentry, mode, rdev, NULL); ++} ++ ++static int ovl_symlink(struct inode *dir, struct dentry *dentry, ++ const char *link) ++{ ++ return ovl_create_object(dentry, S_IFLNK, 0, link); ++} ++ ++static int ovl_do_remove(struct dentry *dentry, bool is_dir) ++{ ++ int err; ++ enum ovl_path_type type; ++ struct path realpath; ++ struct dentry *upperdir; ++ ++ err = ovl_copy_up(dentry->d_parent); ++ if (err) ++ return err; ++ ++ upperdir = ovl_dentry_upper(dentry->d_parent); ++ mutex_lock_nested(&upperdir->d_inode->i_mutex, I_MUTEX_PARENT); ++ type = ovl_path_real(dentry, &realpath); ++ if (type != OVL_PATH_LOWER) { ++ err = -ESTALE; ++ if (realpath.dentry->d_parent != upperdir) ++ goto out_d_drop; ++ ++ /* FIXME: create whiteout up front and rename to target */ ++ ++ if (is_dir) ++ err = vfs_rmdir(upperdir->d_inode, realpath.dentry); ++ else ++ err = vfs_unlink(upperdir->d_inode, realpath.dentry); ++ if (err) ++ goto out_d_drop; ++ ++ ovl_dentry_version_inc(dentry->d_parent); ++ } ++ ++ if (type != OVL_PATH_UPPER || ovl_dentry_is_opaque(dentry)) ++ err = ovl_whiteout(upperdir, dentry); ++ ++ /* ++ * Keeping this dentry hashed would mean having to release ++ * upperpath/lowerpath, which could only be done if we are the ++ * sole user of this dentry. Too tricky... Just unhash for ++ * now. ++ */ ++out_d_drop: ++ d_drop(dentry); ++ mutex_unlock(&upperdir->d_inode->i_mutex); ++ ++ return err; ++} ++ ++static int ovl_unlink(struct inode *dir, struct dentry *dentry) ++{ ++ return ovl_do_remove(dentry, false); ++} ++ ++ ++static int ovl_rmdir(struct inode *dir, struct dentry *dentry) ++{ ++ int err; ++ enum ovl_path_type type; ++ ++ type = ovl_path_type(dentry); ++ if (type != OVL_PATH_UPPER) { ++ err = ovl_check_empty_and_clear(dentry, type); ++ if (err) ++ return err; ++ } ++ ++ return ovl_do_remove(dentry, true); ++} ++ ++static int ovl_link(struct dentry *old, struct inode *newdir, ++ struct dentry *new) ++{ ++ int err; ++ struct dentry *olddentry; ++ struct dentry *newdentry; ++ struct dentry *upperdir; ++ struct inode *newinode; ++ ++ err = ovl_copy_up(old); ++ if (err) ++ goto out; ++ ++ err = ovl_copy_up(new->d_parent); ++ if (err) ++ goto out; ++ ++ upperdir = ovl_dentry_upper(new->d_parent); ++ mutex_lock_nested(&upperdir->d_inode->i_mutex, I_MUTEX_PARENT); ++ newdentry = ovl_lookup_create(upperdir, new); ++ err = PTR_ERR(newdentry); ++ if (IS_ERR(newdentry)) ++ goto out_unlock; ++ ++ olddentry = ovl_dentry_upper(old); ++ err = vfs_link(olddentry, upperdir->d_inode, newdentry); ++ if (!err) { ++ if (WARN_ON(!newdentry->d_inode)) { ++ dput(newdentry); ++ err = -ENOENT; ++ goto out_unlock; ++ } ++ newinode = ovl_new_inode(old->d_sb, newdentry->d_inode->i_mode, ++ new->d_fsdata); ++ if (!newinode) ++ goto link_fail; ++ ovl_copyattr(upperdir->d_inode, newinode); ++ ++ ovl_dentry_version_inc(new->d_parent); ++ ovl_dentry_update(new, newdentry); ++ ++ d_instantiate(new, newinode); ++ } else { ++link_fail: ++ if (ovl_dentry_is_opaque(new)) ++ ovl_whiteout(upperdir, new); ++ dput(newdentry); ++ } ++out_unlock: ++ mutex_unlock(&upperdir->d_inode->i_mutex); ++out: ++ return err; ++ ++} ++ ++static int ovl_rename(struct inode *olddir, struct dentry *old, ++ struct inode *newdir, struct dentry *new) ++{ ++ int err; ++ enum ovl_path_type old_type; ++ enum ovl_path_type new_type; ++ struct dentry *old_upperdir; ++ struct dentry *new_upperdir; ++ struct dentry *olddentry; ++ struct dentry *newdentry; ++ struct dentry *trap; ++ bool old_opaque; ++ bool new_opaque; ++ bool new_create = false; ++ bool is_dir = S_ISDIR(old->d_inode->i_mode); ++ ++ /* Don't copy up directory trees */ ++ old_type = ovl_path_type(old); ++ if (old_type != OVL_PATH_UPPER && is_dir) ++ return -EXDEV; ++ ++ if (new->d_inode) { ++ new_type = ovl_path_type(new); ++ ++ if (new_type == OVL_PATH_LOWER && old_type == OVL_PATH_LOWER) { ++ if (ovl_dentry_lower(old)->d_inode == ++ ovl_dentry_lower(new)->d_inode) ++ return 0; ++ } ++ if (new_type != OVL_PATH_LOWER && old_type != OVL_PATH_LOWER) { ++ if (ovl_dentry_upper(old)->d_inode == ++ ovl_dentry_upper(new)->d_inode) ++ return 0; ++ } ++ ++ if (new_type != OVL_PATH_UPPER && ++ S_ISDIR(new->d_inode->i_mode)) { ++ err = ovl_check_empty_and_clear(new, new_type); ++ if (err) ++ return err; ++ } ++ } else { ++ new_type = OVL_PATH_UPPER; ++ } ++ ++ err = ovl_copy_up(old); ++ if (err) ++ return err; ++ ++ err = ovl_copy_up(new->d_parent); ++ if (err) ++ return err; ++ ++ old_upperdir = ovl_dentry_upper(old->d_parent); ++ new_upperdir = ovl_dentry_upper(new->d_parent); ++ ++ trap = lock_rename(new_upperdir, old_upperdir); ++ ++ olddentry = ovl_dentry_upper(old); ++ newdentry = ovl_dentry_upper(new); ++ if (newdentry) { ++ dget(newdentry); ++ } else { ++ new_create = true; ++ newdentry = ovl_lookup_create(new_upperdir, new); ++ err = PTR_ERR(newdentry); ++ if (IS_ERR(newdentry)) ++ goto out_unlock; ++ } ++ ++ err = -ESTALE; ++ if (olddentry->d_parent != old_upperdir) ++ goto out_dput; ++ if (newdentry->d_parent != new_upperdir) ++ goto out_dput; ++ if (olddentry == trap) ++ goto out_dput; ++ if (newdentry == trap) ++ goto out_dput; ++ ++ old_opaque = ovl_dentry_is_opaque(old); ++ new_opaque = ovl_dentry_is_opaque(new) || new_type != OVL_PATH_UPPER; ++ ++ if (is_dir && !old_opaque && new_opaque) { ++ err = ovl_set_opaque(olddentry); ++ if (err) ++ goto out_dput; ++ } ++ ++ err = vfs_rename(old_upperdir->d_inode, olddentry, ++ new_upperdir->d_inode, newdentry); ++ ++ if (err) { ++ if (new_create && ovl_dentry_is_opaque(new)) ++ ovl_whiteout(new_upperdir, new); ++ if (is_dir && !old_opaque && new_opaque) ++ ovl_remove_opaque(olddentry); ++ goto out_dput; ++ } ++ ++ if (old_type != OVL_PATH_UPPER || old_opaque) ++ err = ovl_whiteout(old_upperdir, old); ++ if (is_dir && old_opaque && !new_opaque) ++ ovl_remove_opaque(olddentry); ++ ++ if (old_opaque != new_opaque) ++ ovl_dentry_set_opaque(old, new_opaque); ++ ++ ovl_dentry_version_inc(old->d_parent); ++ ovl_dentry_version_inc(new->d_parent); ++ ++out_dput: ++ dput(newdentry); ++out_unlock: ++ unlock_rename(new_upperdir, old_upperdir); ++ return err; ++} ++ ++const struct inode_operations ovl_dir_inode_operations = { ++ .lookup = ovl_lookup, ++ .mkdir = ovl_mkdir, ++ .symlink = ovl_symlink, ++ .unlink = ovl_unlink, ++ .rmdir = ovl_rmdir, ++ .rename = ovl_rename, ++ .link = ovl_link, ++ .setattr = ovl_setattr, ++ .create = ovl_create, ++ .mknod = ovl_mknod, ++ .permission = ovl_permission, ++ .getattr = ovl_dir_getattr, ++ .setxattr = ovl_setxattr, ++ .getxattr = ovl_getxattr, ++ .listxattr = ovl_listxattr, ++ .removexattr = ovl_removexattr, ++}; +diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/inode.c vfs-3d5a648/fs/overlayfs/inode.c +--- vfs-4cbe5a5/fs/overlayfs/inode.c 1970-01-01 01:00:00.000000000 +0100 ++++ vfs-3d5a648/fs/overlayfs/inode.c 2012-09-05 16:35:20.000000000 +0200 +@@ -0,0 +1,372 @@ ++/* ++ * ++ * Copyright (C) 2011 Novell Inc. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published by ++ * the Free Software Foundation. ++ */ ++ ++#include <linux/fs.h> ++#include <linux/slab.h> ++#include <linux/xattr.h> ++#include "overlayfs.h" ++ ++int ovl_setattr(struct dentry *dentry, struct iattr *attr) ++{ ++ struct dentry *upperdentry; ++ int err; ++ ++ if ((attr->ia_valid & ATTR_SIZE) && !ovl_dentry_upper(dentry)) ++ err = ovl_copy_up_truncate(dentry, attr->ia_size); ++ else ++ err = ovl_copy_up(dentry); ++ if (err) ++ return err; ++ ++ upperdentry = ovl_dentry_upper(dentry); ++ ++ if (attr->ia_valid & (ATTR_KILL_SUID|ATTR_KILL_SGID)) ++ attr->ia_valid &= ~ATTR_MODE; ++ ++ mutex_lock(&upperdentry->d_inode->i_mutex); ++ err = notify_change(upperdentry, attr); ++ if (!err) ++ ovl_copyattr(upperdentry->d_inode, dentry->d_inode); ++ mutex_unlock(&upperdentry->d_inode->i_mutex); ++ ++ return err; ++} ++ ++static int ovl_getattr(struct vfsmount *mnt, struct dentry *dentry, ++ struct kstat *stat) ++{ ++ struct path realpath; ++ ++ ovl_path_real(dentry, &realpath); ++ return vfs_getattr(realpath.mnt, realpath.dentry, stat); ++} ++ ++int ovl_permission(struct inode *inode, int mask) ++{ ++ struct ovl_entry *oe; ++ struct dentry *alias = NULL; ++ struct inode *realinode; ++ struct dentry *realdentry; ++ bool is_upper; ++ int err; ++ ++ if (S_ISDIR(inode->i_mode)) { ++ oe = inode->i_private; ++ } else if (mask & MAY_NOT_BLOCK) { ++ return -ECHILD; ++ } else { ++ /* ++ * For non-directories find an alias and get the info ++ * from there. ++ */ ++ alias = d_find_any_alias(inode); ++ if (WARN_ON(!alias)) ++ return -ENOENT; ++ ++ oe = alias->d_fsdata; ++ } ++ ++ realdentry = ovl_entry_real(oe, &is_upper); ++ ++ /* Careful in RCU walk mode */ ++ realinode = ACCESS_ONCE(realdentry->d_inode); ++ if (!realinode) { ++ WARN_ON(!(mask & MAY_NOT_BLOCK)); ++ err = -ENOENT; ++ goto out_dput; ++ } ++ ++ if (mask & MAY_WRITE) { ++ umode_t mode = realinode->i_mode; ++ ++ /* ++ * Writes will always be redirected to upper layer, so ++ * ignore lower layer being read-only. ++ * ++ * If the overlay itself is read-only then proceed ++ * with the permission check, don't return EROFS. ++ * This will only happen if this is the lower layer of ++ * another overlayfs. ++ * ++ * If upper fs becomes read-only after the overlay was ++ * constructed return EROFS to prevent modification of ++ * upper layer. ++ */ ++ err = -EROFS; ++ if (is_upper && !IS_RDONLY(inode) && IS_RDONLY(realinode) && ++ (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode))) ++ goto out_dput; ++ } ++ ++ err = __inode_permission(realinode, mask); ++out_dput: ++ dput(alias); ++ return err; ++} ++ ++ ++struct ovl_link_data { ++ struct dentry *realdentry; ++ void *cookie; ++}; ++ ++static void *ovl_follow_link(struct dentry *dentry, struct nameidata *nd) ++{ ++ void *ret; ++ struct dentry *realdentry; ++ struct inode *realinode; ++ ++ realdentry = ovl_dentry_real(dentry); ++ realinode = realdentry->d_inode; ++ ++ if (WARN_ON(!realinode->i_op->follow_link)) ++ return ERR_PTR(-EPERM); ++ ++ ret = realinode->i_op->follow_link(realdentry, nd); ++ if (IS_ERR(ret)) ++ return ret; ++ ++ if (realinode->i_op->put_link) { ++ struct ovl_link_data *data; ++ ++ data = kmalloc(sizeof(struct ovl_link_data), GFP_KERNEL); ++ if (!data) { ++ realinode->i_op->put_link(realdentry, nd, ret); ++ return ERR_PTR(-ENOMEM); ++ } ++ data->realdentry = realdentry; ++ data->cookie = ret; ++ ++ return data; ++ } else { ++ return NULL; ++ } ++} ++ ++static void ovl_put_link(struct dentry *dentry, struct nameidata *nd, void *c) ++{ ++ struct inode *realinode; ++ struct ovl_link_data *data = c; ++ ++ if (!data) ++ return; ++ ++ realinode = data->realdentry->d_inode; ++ realinode->i_op->put_link(data->realdentry, nd, data->cookie); ++ kfree(data); ++} ++ ++static int ovl_readlink(struct dentry *dentry, char __user *buf, int bufsiz) ++{ ++ struct path realpath; ++ struct inode *realinode; ++ ++ ovl_path_real(dentry, &realpath); ++ realinode = realpath.dentry->d_inode; ++ ++ if (!realinode->i_op->readlink) ++ return -EINVAL; ++ ++ touch_atime(&realpath); ++ ++ return realinode->i_op->readlink(realpath.dentry, buf, bufsiz); ++} ++ ++ ++static bool ovl_is_private_xattr(const char *name) ++{ ++ return strncmp(name, "trusted.overlay.", 14) == 0; ++} ++ ++int ovl_setxattr(struct dentry *dentry, const char *name, ++ const void *value, size_t size, int flags) ++{ ++ int err; ++ struct dentry *upperdentry; ++ ++ if (ovl_is_private_xattr(name)) ++ return -EPERM; ++ ++ err = ovl_copy_up(dentry); ++ if (err) ++ return err; ++ ++ upperdentry = ovl_dentry_upper(dentry); ++ return vfs_setxattr(upperdentry, name, value, size, flags); ++} ++ ++ssize_t ovl_getxattr(struct dentry *dentry, const char *name, ++ void *value, size_t size) ++{ ++ if (ovl_path_type(dentry->d_parent) == OVL_PATH_MERGE && ++ ovl_is_private_xattr(name)) ++ return -ENODATA; ++ ++ return vfs_getxattr(ovl_dentry_real(dentry), name, value, size); ++} ++ ++ssize_t ovl_listxattr(struct dentry *dentry, char *list, size_t size) ++{ ++ ssize_t res; ++ int off; ++ ++ res = vfs_listxattr(ovl_dentry_real(dentry), list, size); ++ if (res <= 0 || size == 0) ++ return res; ++ ++ if (ovl_path_type(dentry->d_parent) != OVL_PATH_MERGE) ++ return res; ++ ++ /* filter out private xattrs */ ++ for (off = 0; off < res;) { ++ char *s = list + off; ++ size_t slen = strlen(s) + 1; ++ ++ BUG_ON(off + slen > res); ++ ++ if (ovl_is_private_xattr(s)) { ++ res -= slen; ++ memmove(s, s + slen, res - off); ++ } else { ++ off += slen; ++ } ++ } ++ ++ return res; ++} ++ ++int ovl_removexattr(struct dentry *dentry, const char *name) ++{ ++ int err; ++ struct path realpath; ++ enum ovl_path_type type; ++ ++ if (ovl_path_type(dentry->d_parent) == OVL_PATH_MERGE && ++ ovl_is_private_xattr(name)) ++ return -ENODATA; ++ ++ type = ovl_path_real(dentry, &realpath); ++ if (type == OVL_PATH_LOWER) { ++ err = vfs_getxattr(realpath.dentry, name, NULL, 0); ++ if (err < 0) ++ return err; ++ ++ err = ovl_copy_up(dentry); ++ if (err) ++ return err; ++ ++ ovl_path_upper(dentry, &realpath); ++ } ++ ++ return vfs_removexattr(realpath.dentry, name); ++} ++ ++static bool ovl_open_need_copy_up(int flags, enum ovl_path_type type, ++ struct dentry *realdentry) ++{ ++ if (type != OVL_PATH_LOWER) ++ return false; ++ ++ if (special_file(realdentry->d_inode->i_mode)) ++ return false; ++ ++ if (!(OPEN_FMODE(flags) & FMODE_WRITE) && !(flags & O_TRUNC)) ++ return false; ++ ++ return true; ++} ++ ++static int ovl_dentry_open(struct dentry *dentry, struct file *file, ++ const struct cred *cred) ++{ ++ int err; ++ struct path realpath; ++ enum ovl_path_type type; ++ ++ type = ovl_path_real(dentry, &realpath); ++ if (ovl_open_need_copy_up(file->f_flags, type, realpath.dentry)) { ++ if (file->f_flags & O_TRUNC) ++ err = ovl_copy_up_truncate(dentry, 0); ++ else ++ err = ovl_copy_up(dentry); ++ if (err) ++ return err; ++ ++ ovl_path_upper(dentry, &realpath); ++ } ++ ++ return vfs_open(&realpath, file, cred); ++} ++ ++static const struct inode_operations ovl_file_inode_operations = { ++ .setattr = ovl_setattr, ++ .permission = ovl_permission, ++ .getattr = ovl_getattr, ++ .setxattr = ovl_setxattr, ++ .getxattr = ovl_getxattr, ++ .listxattr = ovl_listxattr, ++ .removexattr = ovl_removexattr, ++ .dentry_open = ovl_dentry_open, ++}; ++ ++static const struct inode_operations ovl_symlink_inode_operations = { ++ .setattr = ovl_setattr, ++ .follow_link = ovl_follow_link, ++ .put_link = ovl_put_link, ++ .readlink = ovl_readlink, ++ .getattr = ovl_getattr, ++ .setxattr = ovl_setxattr, ++ .getxattr = ovl_getxattr, ++ .listxattr = ovl_listxattr, ++ .removexattr = ovl_removexattr, ++}; ++ ++struct inode *ovl_new_inode(struct super_block *sb, umode_t mode, ++ struct ovl_entry *oe) ++{ ++ struct inode *inode; ++ ++ inode = new_inode(sb); ++ if (!inode) ++ return NULL; ++ ++ mode &= S_IFMT; ++ ++ inode->i_ino = get_next_ino(); ++ inode->i_mode = mode; ++ inode->i_flags |= S_NOATIME | S_NOCMTIME; ++ ++ switch (mode) { ++ case S_IFDIR: ++ inode->i_private = oe; ++ inode->i_op = &ovl_dir_inode_operations; ++ inode->i_fop = &ovl_dir_operations; ++ break; ++ ++ case S_IFLNK: ++ inode->i_op = &ovl_symlink_inode_operations; ++ break; ++ ++ case S_IFREG: ++ case S_IFSOCK: ++ case S_IFBLK: ++ case S_IFCHR: ++ case S_IFIFO: ++ inode->i_op = &ovl_file_inode_operations; ++ break; ++ ++ default: ++ WARN(1, "illegal file type: %i\n", mode); ++ iput(inode); ++ inode = NULL; ++ } ++ ++ return inode; ++ ++} +diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/Kconfig vfs-3d5a648/fs/overlayfs/Kconfig +--- vfs-4cbe5a5/fs/overlayfs/Kconfig 1970-01-01 01:00:00.000000000 +0100 ++++ vfs-3d5a648/fs/overlayfs/Kconfig 2012-09-05 16:35:20.000000000 +0200 +@@ -0,0 +1,4 @@ ++config OVERLAYFS_FS ++ tristate "Overlay filesystem support" ++ help ++ Add support for overlay filesystem. +diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/Makefile vfs-3d5a648/fs/overlayfs/Makefile +--- vfs-4cbe5a5/fs/overlayfs/Makefile 1970-01-01 01:00:00.000000000 +0100 ++++ vfs-3d5a648/fs/overlayfs/Makefile 2012-09-05 16:35:20.000000000 +0200 +@@ -0,0 +1,7 @@ ++# ++# Makefile for the overlay filesystem. ++# ++ ++obj-$(CONFIG_OVERLAYFS_FS) += overlayfs.o ++ ++overlayfs-objs := super.o inode.o dir.o readdir.o copy_up.o +diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/overlayfs.h vfs-3d5a648/fs/overlayfs/overlayfs.h +--- vfs-4cbe5a5/fs/overlayfs/overlayfs.h 1970-01-01 01:00:00.000000000 +0100 ++++ vfs-3d5a648/fs/overlayfs/overlayfs.h 2012-09-05 16:35:20.000000000 +0200 +@@ -0,0 +1,70 @@ ++/* ++ * ++ * Copyright (C) 2011 Novell Inc. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published by ++ * the Free Software Foundation. ++ */ ++ ++struct ovl_entry; ++ ++enum ovl_path_type { ++ OVL_PATH_UPPER, ++ OVL_PATH_MERGE, ++ OVL_PATH_LOWER, ++}; ++ ++extern const char *ovl_opaque_xattr; ++extern const char *ovl_whiteout_xattr; ++extern const struct dentry_operations ovl_dentry_operations; ++ ++enum ovl_path_type ovl_path_type(struct dentry *dentry); ++u64 ovl_dentry_version_get(struct dentry *dentry); ++void ovl_dentry_version_inc(struct dentry *dentry); ++void ovl_path_upper(struct dentry *dentry, struct path *path); ++void ovl_path_lower(struct dentry *dentry, struct path *path); ++enum ovl_path_type ovl_path_real(struct dentry *dentry, struct path *path); ++struct dentry *ovl_dentry_upper(struct dentry *dentry); ++struct dentry *ovl_dentry_lower(struct dentry *dentry); ++struct dentry *ovl_dentry_real(struct dentry *dentry); ++struct dentry *ovl_entry_real(struct ovl_entry *oe, bool *is_upper); ++bool ovl_dentry_is_opaque(struct dentry *dentry); ++void ovl_dentry_set_opaque(struct dentry *dentry, bool opaque); ++bool ovl_is_whiteout(struct dentry *dentry); ++void ovl_dentry_update(struct dentry *dentry, struct dentry *upperdentry); ++struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry, ++ unsigned int flags); ++struct file *ovl_path_open(struct path *path, int flags); ++ ++struct dentry *ovl_upper_create(struct dentry *upperdir, struct dentry *dentry, ++ struct kstat *stat, const char *link); ++ ++/* readdir.c */ ++extern const struct file_operations ovl_dir_operations; ++int ovl_check_empty_and_clear(struct dentry *dentry, enum ovl_path_type type); ++ ++/* inode.c */ ++int ovl_setattr(struct dentry *dentry, struct iattr *attr); ++int ovl_permission(struct inode *inode, int mask); ++int ovl_setxattr(struct dentry *dentry, const char *name, ++ const void *value, size_t size, int flags); ++ssize_t ovl_getxattr(struct dentry *dentry, const char *name, ++ void *value, size_t size); ++ssize_t ovl_listxattr(struct dentry *dentry, char *list, size_t size); ++int ovl_removexattr(struct dentry *dentry, const char *name); ++ ++struct inode *ovl_new_inode(struct super_block *sb, umode_t mode, ++ struct ovl_entry *oe); ++static inline void ovl_copyattr(struct inode *from, struct inode *to) ++{ ++ to->i_uid = from->i_uid; ++ to->i_gid = from->i_gid; ++} ++ ++/* dir.c */ ++extern const struct inode_operations ovl_dir_inode_operations; ++ ++/* copy_up.c */ ++int ovl_copy_up(struct dentry *dentry); ++int ovl_copy_up_truncate(struct dentry *dentry, loff_t size); +diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/readdir.c vfs-3d5a648/fs/overlayfs/readdir.c +--- vfs-4cbe5a5/fs/overlayfs/readdir.c 1970-01-01 01:00:00.000000000 +0100 ++++ vfs-3d5a648/fs/overlayfs/readdir.c 2012-09-05 16:35:20.000000000 +0200 +@@ -0,0 +1,566 @@ ++/* ++ * ++ * Copyright (C) 2011 Novell Inc. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published by ++ * the Free Software Foundation. ++ */ ++ ++#include <linux/fs.h> ++#include <linux/slab.h> ++#include <linux/namei.h> ++#include <linux/file.h> ++#include <linux/xattr.h> ++#include <linux/rbtree.h> ++#include <linux/security.h> ++#include <linux/cred.h> ++#include "overlayfs.h" ++ ++struct ovl_cache_entry { ++ const char *name; ++ unsigned int len; ++ unsigned int type; ++ u64 ino; ++ bool is_whiteout; ++ struct list_head l_node; ++ struct rb_node node; ++}; ++ ++struct ovl_readdir_data { ++ struct rb_root *root; ++ struct list_head *list; ++ struct list_head *middle; ++ struct dentry *dir; ++ int count; ++ int err; ++}; ++ ++struct ovl_dir_file { ++ bool is_real; ++ bool is_cached; ++ struct list_head cursor; ++ u64 cache_version; ++ struct list_head cache; ++ struct file *realfile; ++}; ++ ++static struct ovl_cache_entry *ovl_cache_entry_from_node(struct rb_node *n) ++{ ++ return container_of(n, struct ovl_cache_entry, node); ++} ++ ++static struct ovl_cache_entry *ovl_cache_entry_find(struct rb_root *root, ++ const char *name, int len) ++{ ++ struct rb_node *node = root->rb_node; ++ int cmp; ++ ++ while (node) { ++ struct ovl_cache_entry *p = ovl_cache_entry_from_node(node); ++ ++ cmp = strncmp(name, p->name, len); ++ if (cmp > 0) ++ node = p->node.rb_right; ++ else if (cmp < 0 || len < p->len) ++ node = p->node.rb_left; ++ else ++ return p; ++ } ++ ++ return NULL; ++} ++ ++static struct ovl_cache_entry *ovl_cache_entry_new(const char *name, int len, ++ u64 ino, unsigned int d_type) ++{ ++ struct ovl_cache_entry *p; ++ ++ p = kmalloc(sizeof(*p) + len + 1, GFP_KERNEL); ++ if (p) { ++ char *name_copy = (char *) (p + 1); ++ memcpy(name_copy, name, len); ++ name_copy[len] = '\0'; ++ p->name = name_copy; ++ p->len = len; ++ p->type = d_type; ++ p->ino = ino; ++ p->is_whiteout = false; ++ } ++ ++ return p; ++} ++ ++static int ovl_cache_entry_add_rb(struct ovl_readdir_data *rdd, ++ const char *name, int len, u64 ino, ++ unsigned int d_type) ++{ ++ struct rb_node **newp = &rdd->root->rb_node; ++ struct rb_node *parent = NULL; ++ struct ovl_cache_entry *p; ++ ++ while (*newp) { ++ int cmp; ++ struct ovl_cache_entry *tmp; ++ ++ parent = *newp; ++ tmp = ovl_cache_entry_from_node(*newp); ++ cmp = strncmp(name, tmp->name, len); ++ if (cmp > 0) ++ newp = &tmp->node.rb_right; ++ else if (cmp < 0 || len < tmp->len) ++ newp = &tmp->node.rb_left; ++ else ++ return 0; ++ } ++ ++ p = ovl_cache_entry_new(name, len, ino, d_type); ++ if (p == NULL) ++ return -ENOMEM; ++ ++ list_add_tail(&p->l_node, rdd->list); ++ rb_link_node(&p->node, parent, newp); ++ rb_insert_color(&p->node, rdd->root); ++ ++ return 0; ++} ++ ++static int ovl_fill_lower(void *buf, const char *name, int namelen, ++ loff_t offset, u64 ino, unsigned int d_type) ++{ ++ struct ovl_readdir_data *rdd = buf; ++ struct ovl_cache_entry *p; ++ ++ rdd->count++; ++ p = ovl_cache_entry_find(rdd->root, name, namelen); ++ if (p) { ++ list_move_tail(&p->l_node, rdd->middle); ++ } else { ++ p = ovl_cache_entry_new(name, namelen, ino, d_type); ++ if (p == NULL) ++ rdd->err = -ENOMEM; ++ else ++ list_add_tail(&p->l_node, rdd->middle); ++ } ++ ++ return rdd->err; ++} ++ ++static void ovl_cache_free(struct list_head *list) ++{ ++ struct ovl_cache_entry *p; ++ struct ovl_cache_entry *n; ++ ++ list_for_each_entry_safe(p, n, list, l_node) ++ kfree(p); ++ ++ INIT_LIST_HEAD(list); ++} ++ ++static int ovl_fill_upper(void *buf, const char *name, int namelen, ++ loff_t offset, u64 ino, unsigned int d_type) ++{ ++ struct ovl_readdir_data *rdd = buf; ++ ++ rdd->count++; ++ return ovl_cache_entry_add_rb(rdd, name, namelen, ino, d_type); ++} ++ ++static inline int ovl_dir_read(struct path *realpath, ++ struct ovl_readdir_data *rdd, filldir_t filler) ++{ ++ struct file *realfile; ++ int err; ++ ++ realfile = ovl_path_open(realpath, O_RDONLY | O_DIRECTORY); ++ if (IS_ERR(realfile)) ++ return PTR_ERR(realfile); ++ ++ do { ++ rdd->count = 0; ++ rdd->err = 0; ++ err = vfs_readdir(realfile, filler, rdd); ++ if (err >= 0) ++ err = rdd->err; ++ } while (!err && rdd->count); ++ fput(realfile); ++ ++ return 0; ++} ++ ++static void ovl_dir_reset(struct file *file) ++{ ++ struct ovl_dir_file *od = file->private_data; ++ enum ovl_path_type type = ovl_path_type(file->f_path.dentry); ++ ++ if (ovl_dentry_version_get(file->f_path.dentry) != od->cache_version) { ++ list_del_init(&od->cursor); ++ ovl_cache_free(&od->cache); ++ od->is_cached = false; ++ } ++ WARN_ON(!od->is_real && type != OVL_PATH_MERGE); ++ if (od->is_real && type == OVL_PATH_MERGE) { ++ fput(od->realfile); ++ od->realfile = NULL; ++ od->is_real = false; ++ } ++} ++ ++static int ovl_dir_mark_whiteouts(struct ovl_readdir_data *rdd) ++{ ++ struct ovl_cache_entry *p; ++ struct dentry *dentry; ++ const struct cred *old_cred; ++ struct cred *override_cred; ++ ++ override_cred = prepare_creds(); ++ if (!override_cred) { ++ ovl_cache_free(rdd->list); ++ return -ENOMEM; ++ } ++ ++ /* ++ * CAP_SYS_ADMIN for getxattr ++ * CAP_DAC_OVERRIDE for lookup ++ */ ++ cap_raise(override_cred->cap_effective, CAP_SYS_ADMIN); ++ cap_raise(override_cred->cap_effective, CAP_DAC_OVERRIDE); ++ old_cred = override_creds(override_cred); ++ ++ mutex_lock(&rdd->dir->d_inode->i_mutex); ++ list_for_each_entry(p, rdd->list, l_node) { ++ if (p->type != DT_LNK) ++ continue; ++ ++ dentry = lookup_one_len(p->name, rdd->dir, p->len); ++ if (IS_ERR(dentry)) ++ continue; ++ ++ p->is_whiteout = ovl_is_whiteout(dentry); ++ dput(dentry); ++ } ++ mutex_unlock(&rdd->dir->d_inode->i_mutex); ++ ++ revert_creds(old_cred); ++ put_cred(override_cred); ++ ++ return 0; ++} ++ ++static inline int ovl_dir_read_merged(struct path *upperpath, ++ struct path *lowerpath, ++ struct ovl_readdir_data *rdd) ++{ ++ int err; ++ struct rb_root root = RB_ROOT; ++ struct list_head middle; ++ ++ rdd->root = &root; ++ if (upperpath->dentry) { ++ rdd->dir = upperpath->dentry; ++ err = ovl_dir_read(upperpath, rdd, ovl_fill_upper); ++ if (err) ++ goto out; ++ ++ err = ovl_dir_mark_whiteouts(rdd); ++ if (err) ++ goto out; ++ } ++ /* ++ * Insert lowerpath entries before upperpath ones, this allows ++ * offsets to be reasonably constant ++ */ ++ list_add(&middle, rdd->list); ++ rdd->middle = &middle; ++ err = ovl_dir_read(lowerpath, rdd, ovl_fill_lower); ++ list_del(&middle); ++out: ++ rdd->root = NULL; ++ ++ return err; ++} ++ ++static void ovl_seek_cursor(struct ovl_dir_file *od, loff_t pos) ++{ ++ struct list_head *l; ++ loff_t off; ++ ++ l = od->cache.next; ++ for (off = 0; off < pos; off++) { ++ if (l == &od->cache) ++ break; ++ l = l->next; ++ } ++ list_move_tail(&od->cursor, l); ++} ++ ++static int ovl_readdir(struct file *file, void *buf, filldir_t filler) ++{ ++ struct ovl_dir_file *od = file->private_data; ++ int res; ++ ++ if (!file->f_pos) ++ ovl_dir_reset(file); ++ ++ if (od->is_real) { ++ res = vfs_readdir(od->realfile, filler, buf); ++ file->f_pos = od->realfile->f_pos; ++ ++ return res; ++ } ++ ++ if (!od->is_cached) { ++ struct path lowerpath; ++ struct path upperpath; ++ struct ovl_readdir_data rdd = { .list = &od->cache }; ++ ++ ovl_path_lower(file->f_path.dentry, &lowerpath); ++ ovl_path_upper(file->f_path.dentry, &upperpath); ++ ++ res = ovl_dir_read_merged(&upperpath, &lowerpath, &rdd); ++ if (res) { ++ ovl_cache_free(rdd.list); ++ return res; ++ } ++ ++ od->cache_version = ovl_dentry_version_get(file->f_path.dentry); ++ od->is_cached = true; ++ ++ ovl_seek_cursor(od, file->f_pos); ++ } ++ ++ while (od->cursor.next != &od->cache) { ++ int over; ++ loff_t off; ++ struct ovl_cache_entry *p; ++ ++ p = list_entry(od->cursor.next, struct ovl_cache_entry, l_node); ++ off = file->f_pos; ++ if (!p->is_whiteout) { ++ over = filler(buf, p->name, p->len, off, p->ino, ++ p->type); ++ if (over) ++ break; ++ } ++ file->f_pos++; ++ list_move(&od->cursor, &p->l_node); ++ } ++ ++ return 0; ++} ++ ++static loff_t ovl_dir_llseek(struct file *file, loff_t offset, int origin) ++{ ++ loff_t res; ++ struct ovl_dir_file *od = file->private_data; ++ ++ mutex_lock(&file->f_dentry->d_inode->i_mutex); ++ if (!file->f_pos) ++ ovl_dir_reset(file); ++ ++ if (od->is_real) { ++ res = vfs_llseek(od->realfile, offset, origin); ++ file->f_pos = od->realfile->f_pos; ++ } else { ++ res = -EINVAL; ++ ++ switch (origin) { ++ case SEEK_CUR: ++ offset += file->f_pos; ++ break; ++ case SEEK_SET: ++ break; ++ default: ++ goto out_unlock; ++ } ++ if (offset < 0) ++ goto out_unlock; ++ ++ if (offset != file->f_pos) { ++ file->f_pos = offset; ++ if (od->is_cached) ++ ovl_seek_cursor(od, offset); ++ } ++ res = offset; ++ } ++out_unlock: ++ mutex_unlock(&file->f_dentry->d_inode->i_mutex); ++ ++ return res; ++} ++ ++static int ovl_dir_fsync(struct file *file, loff_t start, loff_t end, ++ int datasync) ++{ ++ struct ovl_dir_file *od = file->private_data; ++ ++ /* May need to reopen directory if it got copied up */ ++ if (!od->realfile) { ++ struct path upperpath; ++ ++ ovl_path_upper(file->f_path.dentry, &upperpath); ++ od->realfile = ovl_path_open(&upperpath, O_RDONLY); ++ if (IS_ERR(od->realfile)) ++ return PTR_ERR(od->realfile); ++ } ++ ++ return vfs_fsync_range(od->realfile, start, end, datasync); ++} ++ ++static int ovl_dir_release(struct inode *inode, struct file *file) ++{ ++ struct ovl_dir_file *od = file->private_data; ++ ++ list_del(&od->cursor); ++ ovl_cache_free(&od->cache); ++ if (od->realfile) ++ fput(od->realfile); ++ kfree(od); ++ ++ return 0; ++} ++ ++static int ovl_dir_open(struct inode *inode, struct file *file) ++{ ++ struct path realpath; ++ struct file *realfile; ++ struct ovl_dir_file *od; ++ enum ovl_path_type type; ++ ++ od = kzalloc(sizeof(struct ovl_dir_file), GFP_KERNEL); ++ if (!od) ++ return -ENOMEM; ++ ++ type = ovl_path_real(file->f_path.dentry, &realpath); ++ realfile = ovl_path_open(&realpath, file->f_flags); ++ if (IS_ERR(realfile)) { ++ kfree(od); ++ return PTR_ERR(realfile); ++ } ++ INIT_LIST_HEAD(&od->cache); ++ INIT_LIST_HEAD(&od->cursor); ++ od->is_cached = false; ++ od->realfile = realfile; ++ od->is_real = (type != OVL_PATH_MERGE); ++ file->private_data = od; ++ ++ return 0; ++} ++ ++const struct file_operations ovl_dir_operations = { ++ .read = generic_read_dir, ++ .open = ovl_dir_open, ++ .readdir = ovl_readdir, ++ .llseek = ovl_dir_llseek, ++ .fsync = ovl_dir_fsync, ++ .release = ovl_dir_release, ++}; ++ ++static int ovl_check_empty_dir(struct dentry *dentry, struct list_head *list) ++{ ++ int err; ++ struct path lowerpath; ++ struct path upperpath; ++ struct ovl_cache_entry *p; ++ struct ovl_readdir_data rdd = { .list = list }; ++ ++ ovl_path_upper(dentry, &upperpath); ++ ovl_path_lower(dentry, &lowerpath); ++ ++ err = ovl_dir_read_merged(&upperpath, &lowerpath, &rdd); ++ if (err) ++ return err; ++ ++ err = 0; ++ ++ list_for_each_entry(p, list, l_node) { ++ if (p->is_whiteout) ++ continue; ++ ++ if (p->name[0] == '.') { ++ if (p->len == 1) ++ continue; ++ if (p->len == 2 && p->name[1] == '.') ++ continue; ++ } ++ err = -ENOTEMPTY; ++ break; ++ } ++ ++ return err; ++} ++ ++static int ovl_remove_whiteouts(struct dentry *dir, struct list_head *list) ++{ ++ struct path upperpath; ++ struct dentry *upperdir; ++ struct ovl_cache_entry *p; ++ const struct cred *old_cred; ++ struct cred *override_cred; ++ int err; ++ ++ ovl_path_upper(dir, &upperpath); ++ upperdir = upperpath.dentry; ++ ++ override_cred = prepare_creds(); ++ if (!override_cred) ++ return -ENOMEM; ++ ++ /* ++ * CAP_DAC_OVERRIDE for lookup and unlink ++ * CAP_SYS_ADMIN for setxattr of "trusted" namespace ++ * CAP_FOWNER for unlink in sticky directory ++ */ ++ cap_raise(override_cred->cap_effective, CAP_DAC_OVERRIDE); ++ cap_raise(override_cred->cap_effective, CAP_SYS_ADMIN); ++ cap_raise(override_cred->cap_effective, CAP_FOWNER); ++ old_cred = override_creds(override_cred); ++ ++ err = vfs_setxattr(upperdir, ovl_opaque_xattr, "y", 1, 0); ++ if (err) ++ goto out_revert_creds; ++ ++ mutex_lock_nested(&upperdir->d_inode->i_mutex, I_MUTEX_PARENT); ++ list_for_each_entry(p, list, l_node) { ++ struct dentry *dentry; ++ int ret; ++ ++ if (!p->is_whiteout) ++ continue; ++ ++ dentry = lookup_one_len(p->name, upperdir, p->len); ++ if (IS_ERR(dentry)) { ++ printk(KERN_WARNING ++ "overlayfs: failed to lookup whiteout %.*s: %li\n", ++ p->len, p->name, PTR_ERR(dentry)); ++ continue; ++ } ++ ret = vfs_unlink(upperdir->d_inode, dentry); ++ dput(dentry); ++ if (ret) ++ printk(KERN_WARNING ++ "overlayfs: failed to unlink whiteout %.*s: %i\n", ++ p->len, p->name, ret); ++ } ++ mutex_unlock(&upperdir->d_inode->i_mutex); ++ ++out_revert_creds: ++ revert_creds(old_cred); ++ put_cred(override_cred); ++ ++ return err; ++} ++ ++int ovl_check_empty_and_clear(struct dentry *dentry, enum ovl_path_type type) ++{ ++ int err; ++ LIST_HEAD(list); ++ ++ err = ovl_check_empty_dir(dentry, &list); ++ if (!err && type == OVL_PATH_MERGE) ++ err = ovl_remove_whiteouts(dentry, &list); ++ ++ ovl_cache_free(&list); ++ ++ return err; ++} +diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/super.c vfs-3d5a648/fs/overlayfs/super.c +--- vfs-4cbe5a5/fs/overlayfs/super.c 1970-01-01 01:00:00.000000000 +0100 ++++ vfs-3d5a648/fs/overlayfs/super.c 2012-09-05 16:35:20.000000000 +0200 +@@ -0,0 +1,685 @@ ++/* ++ * ++ * Copyright (C) 2011 Novell Inc. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published by ++ * the Free Software Foundation. ++ */ ++ ++#include <linux/fs.h> ++#include <linux/namei.h> ++#include <linux/xattr.h> ++#include <linux/security.h> ++#include <linux/mount.h> ++#include <linux/slab.h> ++#include <linux/parser.h> ++#include <linux/module.h> ++#include <linux/cred.h> ++#include <linux/sched.h> ++#include <linux/statfs.h> ++#include <linux/seq_file.h> ++#include "overlayfs.h" ++ ++MODULE_AUTHOR("Miklos Szeredi <miklos@szeredi.hu>"); ++MODULE_DESCRIPTION("Overlay filesystem"); ++MODULE_LICENSE("GPL"); ++ ++#define OVERLAYFS_SUPER_MAGIC 0x794c764f ++ ++struct ovl_config { ++ char *lowerdir; ++ char *upperdir; ++}; ++ ++/* private information held for overlayfs's superblock */ ++struct ovl_fs { ++ struct vfsmount *upper_mnt; ++ struct vfsmount *lower_mnt; ++ long lower_namelen; ++ /* pathnames of lower and upper dirs, for show_options */ ++ struct ovl_config config; ++}; ++ ++/* private information held for every overlayfs dentry */ ++struct ovl_entry { ++ /* ++ * Keep "double reference" on upper dentries, so that ++ * d_delete() doesn't think it's OK to reset d_inode to NULL. ++ */ ++ struct dentry *__upperdentry; ++ struct dentry *lowerdentry; ++ union { ++ struct { ++ u64 version; ++ bool opaque; ++ }; ++ struct rcu_head rcu; ++ }; ++}; ++ ++const char *ovl_whiteout_xattr = "trusted.overlay.whiteout"; ++const char *ovl_opaque_xattr = "trusted.overlay.opaque"; ++ ++ ++enum ovl_path_type ovl_path_type(struct dentry *dentry) ++{ ++ struct ovl_entry *oe = dentry->d_fsdata; ++ ++ if (oe->__upperdentry) { ++ if (oe->lowerdentry && S_ISDIR(dentry->d_inode->i_mode)) ++ return OVL_PATH_MERGE; ++ else ++ return OVL_PATH_UPPER; ++ } else { ++ return OVL_PATH_LOWER; ++ } ++} ++ ++static struct dentry *ovl_upperdentry_dereference(struct ovl_entry *oe) ++{ ++ struct dentry *upperdentry = ACCESS_ONCE(oe->__upperdentry); ++ smp_read_barrier_depends(); ++ return upperdentry; ++} ++ ++void ovl_path_upper(struct dentry *dentry, struct path *path) ++{ ++ struct ovl_fs *ofs = dentry->d_sb->s_fs_info; ++ struct ovl_entry *oe = dentry->d_fsdata; ++ ++ path->mnt = ofs->upper_mnt; ++ path->dentry = ovl_upperdentry_dereference(oe); ++} ++ ++void ovl_path_lower(struct dentry *dentry, struct path *path) ++{ ++ struct ovl_fs *ofs = dentry->d_sb->s_fs_info; ++ struct ovl_entry *oe = dentry->d_fsdata; ++ ++ path->mnt = ofs->lower_mnt; ++ path->dentry = oe->lowerdentry; ++} ++ ++enum ovl_path_type ovl_path_real(struct dentry *dentry, struct path *path) ++{ ++ ++ enum ovl_path_type type = ovl_path_type(dentry); ++ ++ if (type == OVL_PATH_LOWER) ++ ovl_path_lower(dentry, path); ++ else ++ ovl_path_upper(dentry, path); ++ ++ return type; ++} ++ ++struct dentry *ovl_dentry_upper(struct dentry *dentry) ++{ ++ struct ovl_entry *oe = dentry->d_fsdata; ++ ++ return ovl_upperdentry_dereference(oe); ++} ++ ++struct dentry *ovl_dentry_lower(struct dentry *dentry) ++{ ++ struct ovl_entry *oe = dentry->d_fsdata; ++ ++ return oe->lowerdentry; ++} ++ ++struct dentry *ovl_dentry_real(struct dentry *dentry) ++{ ++ struct ovl_entry *oe = dentry->d_fsdata; ++ struct dentry *realdentry; ++ ++ realdentry = ovl_upperdentry_dereference(oe); ++ if (!realdentry) ++ realdentry = oe->lowerdentry; ++ ++ return realdentry; ++} ++ ++struct dentry *ovl_entry_real(struct ovl_entry *oe, bool *is_upper) ++{ ++ struct dentry *realdentry; ++ ++ realdentry = ovl_upperdentry_dereference(oe); ++ if (realdentry) { ++ *is_upper = true; ++ } else { ++ realdentry = oe->lowerdentry; ++ *is_upper = false; ++ } ++ return realdentry; ++} ++ ++bool ovl_dentry_is_opaque(struct dentry *dentry) ++{ ++ struct ovl_entry *oe = dentry->d_fsdata; ++ return oe->opaque; ++} ++ ++void ovl_dentry_set_opaque(struct dentry *dentry, bool opaque) ++{ ++ struct ovl_entry *oe = dentry->d_fsdata; ++ oe->opaque = opaque; ++} ++ ++void ovl_dentry_update(struct dentry *dentry, struct dentry *upperdentry) ++{ ++ struct ovl_entry *oe = dentry->d_fsdata; ++ ++ WARN_ON(!mutex_is_locked(&upperdentry->d_parent->d_inode->i_mutex)); ++ WARN_ON(oe->__upperdentry); ++ BUG_ON(!upperdentry->d_inode); ++ smp_wmb(); ++ oe->__upperdentry = dget(upperdentry); ++} ++ ++void ovl_dentry_version_inc(struct dentry *dentry) ++{ ++ struct ovl_entry *oe = dentry->d_fsdata; ++ ++ WARN_ON(!mutex_is_locked(&dentry->d_inode->i_mutex)); ++ oe->version++; ++} ++ ++u64 ovl_dentry_version_get(struct dentry *dentry) ++{ ++ struct ovl_entry *oe = dentry->d_fsdata; ++ ++ WARN_ON(!mutex_is_locked(&dentry->d_inode->i_mutex)); ++ return oe->version; ++} ++ ++bool ovl_is_whiteout(struct dentry *dentry) ++{ ++ int res; ++ char val; ++ ++ if (!dentry) ++ return false; ++ if (!dentry->d_inode) ++ return false; ++ if (!S_ISLNK(dentry->d_inode->i_mode)) ++ return false; ++ ++ res = vfs_getxattr(dentry, ovl_whiteout_xattr, &val, 1); ++ if (res == 1 && val == 'y') ++ return true; ++ ++ return false; ++} ++ ++static bool ovl_is_opaquedir(struct dentry *dentry) ++{ ++ int res; ++ char val; ++ ++ if (!S_ISDIR(dentry->d_inode->i_mode)) ++ return false; ++ ++ res = vfs_getxattr(dentry, ovl_opaque_xattr, &val, 1); ++ if (res == 1 && val == 'y') ++ return true; ++ ++ return false; ++} ++ ++static void ovl_entry_free(struct rcu_head *head) ++{ ++ struct ovl_entry *oe = container_of(head, struct ovl_entry, rcu); ++ kfree(oe); ++} ++ ++static void ovl_dentry_release(struct dentry *dentry) ++{ ++ struct ovl_entry *oe = dentry->d_fsdata; ++ ++ if (oe) { ++ dput(oe->__upperdentry); ++ dput(oe->__upperdentry); ++ dput(oe->lowerdentry); ++ call_rcu(&oe->rcu, ovl_entry_free); ++ } ++} ++ ++const struct dentry_operations ovl_dentry_operations = { ++ .d_release = ovl_dentry_release, ++}; ++ ++static struct ovl_entry *ovl_alloc_entry(void) ++{ ++ return kzalloc(sizeof(struct ovl_entry), GFP_KERNEL); ++} ++ ++static inline struct dentry *ovl_lookup_real(struct dentry *dir, ++ struct qstr *name) ++{ ++ struct dentry *dentry; ++ ++ mutex_lock(&dir->d_inode->i_mutex); ++ dentry = lookup_one_len(name->name, dir, name->len); ++ mutex_unlock(&dir->d_inode->i_mutex); ++ ++ if (IS_ERR(dentry)) { ++ if (PTR_ERR(dentry) == -ENOENT) ++ dentry = NULL; ++ } else if (!dentry->d_inode) { ++ dput(dentry); ++ dentry = NULL; ++ } ++ return dentry; ++} ++ ++static int ovl_do_lookup(struct dentry *dentry) ++{ ++ struct ovl_entry *oe; ++ struct dentry *upperdir; ++ struct dentry *lowerdir; ++ struct dentry *upperdentry = NULL; ++ struct dentry *lowerdentry = NULL; ++ struct inode *inode = NULL; ++ int err; ++ ++ err = -ENOMEM; ++ oe = ovl_alloc_entry(); ++ if (!oe) ++ goto out; ++ ++ upperdir = ovl_dentry_upper(dentry->d_parent); ++ lowerdir = ovl_dentry_lower(dentry->d_parent); ++ ++ if (upperdir) { ++ upperdentry = ovl_lookup_real(upperdir, &dentry->d_name); ++ err = PTR_ERR(upperdentry); ++ if (IS_ERR(upperdentry)) ++ goto out_put_dir; ++ ++ if (lowerdir && upperdentry && ++ (S_ISLNK(upperdentry->d_inode->i_mode) || ++ S_ISDIR(upperdentry->d_inode->i_mode))) { ++ const struct cred *old_cred; ++ struct cred *override_cred; ++ ++ err = -ENOMEM; ++ override_cred = prepare_creds(); ++ if (!override_cred) ++ goto out_dput_upper; ++ ++ /* CAP_SYS_ADMIN needed for getxattr */ ++ cap_raise(override_cred->cap_effective, CAP_SYS_ADMIN); ++ old_cred = override_creds(override_cred); ++ ++ if (ovl_is_opaquedir(upperdentry)) { ++ oe->opaque = true; ++ } else if (ovl_is_whiteout(upperdentry)) { ++ dput(upperdentry); ++ upperdentry = NULL; ++ oe->opaque = true; ++ } ++ revert_creds(old_cred); ++ put_cred(override_cred); ++ } ++ } ++ if (lowerdir && !oe->opaque) { ++ lowerdentry = ovl_lookup_real(lowerdir, &dentry->d_name); ++ err = PTR_ERR(lowerdentry); ++ if (IS_ERR(lowerdentry)) ++ goto out_dput_upper; ++ } ++ ++ if (lowerdentry && upperdentry && ++ (!S_ISDIR(upperdentry->d_inode->i_mode) || ++ !S_ISDIR(lowerdentry->d_inode->i_mode))) { ++ dput(lowerdentry); ++ lowerdentry = NULL; ++ oe->opaque = true; ++ } ++ ++ if (lowerdentry || upperdentry) { ++ struct dentry *realdentry; ++ ++ realdentry = upperdentry ? upperdentry : lowerdentry; ++ err = -ENOMEM; ++ inode = ovl_new_inode(dentry->d_sb, realdentry->d_inode->i_mode, ++ oe); ++ if (!inode) ++ goto out_dput; ++ ovl_copyattr(realdentry->d_inode, inode); ++ } ++ ++ if (upperdentry) ++ oe->__upperdentry = dget(upperdentry); ++ ++ if (lowerdentry) ++ oe->lowerdentry = lowerdentry; ++ ++ dentry->d_fsdata = oe; ++ dentry->d_op = &ovl_dentry_operations; ++ d_add(dentry, inode); ++ ++ return 0; ++ ++out_dput: ++ dput(lowerdentry); ++out_dput_upper: ++ dput(upperdentry); ++out_put_dir: ++ kfree(oe); ++out: ++ return err; ++} ++ ++struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry, ++ unsigned int flags) ++{ ++ int err = ovl_do_lookup(dentry); ++ ++ if (err) ++ return ERR_PTR(err); ++ ++ return NULL; ++} ++ ++struct file *ovl_path_open(struct path *path, int flags) ++{ ++ path_get(path); ++ return dentry_open(path, flags, current_cred()); ++} ++ ++static void ovl_put_super(struct super_block *sb) ++{ ++ struct ovl_fs *ufs = sb->s_fs_info; ++ ++ if (!(sb->s_flags & MS_RDONLY)) ++ mnt_drop_write(ufs->upper_mnt); ++ ++ mntput(ufs->upper_mnt); ++ mntput(ufs->lower_mnt); ++ ++ kfree(ufs->config.lowerdir); ++ kfree(ufs->config.upperdir); ++ kfree(ufs); ++} ++ ++static int ovl_remount_fs(struct super_block *sb, int *flagsp, char *data) ++{ ++ int flags = *flagsp; ++ struct ovl_fs *ufs = sb->s_fs_info; ++ ++ /* When remounting rw or ro, we need to adjust the write access to the ++ * upper fs. ++ */ ++ if (((flags ^ sb->s_flags) & MS_RDONLY) == 0) ++ /* No change to readonly status */ ++ return 0; ++ ++ if (flags & MS_RDONLY) { ++ mnt_drop_write(ufs->upper_mnt); ++ return 0; ++ } else ++ return mnt_want_write(ufs->upper_mnt); ++} ++ ++/** ++ * ovl_statfs ++ * @sb: The overlayfs super block ++ * @buf: The struct kstatfs to fill in with stats ++ * ++ * Get the filesystem statistics. As writes always target the upper layer ++ * filesystem pass the statfs to the same filesystem. ++ */ ++static int ovl_statfs(struct dentry *dentry, struct kstatfs *buf) ++{ ++ struct ovl_fs *ofs = dentry->d_sb->s_fs_info; ++ struct dentry *root_dentry = dentry->d_sb->s_root; ++ struct path path; ++ int err; ++ ++ ovl_path_upper(root_dentry, &path); ++ ++ err = vfs_statfs(&path, buf); ++ if (!err) { ++ buf->f_namelen = max(buf->f_namelen, ofs->lower_namelen); ++ buf->f_type = OVERLAYFS_SUPER_MAGIC; ++ } ++ ++ return err; ++} ++ ++/** ++ * ovl_show_options ++ * ++ * Prints the mount options for a given superblock. ++ * Returns zero; does not fail. ++ */ ++static int ovl_show_options(struct seq_file *m, struct dentry *dentry) ++{ ++ struct super_block *sb = dentry->d_sb; ++ struct ovl_fs *ufs = sb->s_fs_info; ++ ++ seq_printf(m, ",lowerdir=%s", ufs->config.lowerdir); ++ seq_printf(m, ",upperdir=%s", ufs->config.upperdir); ++ return 0; ++} ++ ++static const struct super_operations ovl_super_operations = { ++ .put_super = ovl_put_super, ++ .remount_fs = ovl_remount_fs, ++ .statfs = ovl_statfs, ++ .show_options = ovl_show_options, ++}; ++ ++enum { ++ Opt_lowerdir, ++ Opt_upperdir, ++ Opt_err, ++}; ++ ++static const match_table_t ovl_tokens = { ++ {Opt_lowerdir, "lowerdir=%s"}, ++ {Opt_upperdir, "upperdir=%s"}, ++ {Opt_err, NULL} ++}; ++ ++static int ovl_parse_opt(char *opt, struct ovl_config *config) ++{ ++ char *p; ++ ++ config->upperdir = NULL; ++ config->lowerdir = NULL; ++ ++ while ((p = strsep(&opt, ",")) != NULL) { ++ int token; ++ substring_t args[MAX_OPT_ARGS]; ++ ++ if (!*p) ++ continue; ++ ++ token = match_token(p, ovl_tokens, args); ++ switch (token) { ++ case Opt_upperdir: ++ kfree(config->upperdir); ++ config->upperdir = match_strdup(&args[0]); ++ if (!config->upperdir) ++ return -ENOMEM; ++ break; ++ ++ case Opt_lowerdir: ++ kfree(config->lowerdir); ++ config->lowerdir = match_strdup(&args[0]); ++ if (!config->lowerdir) ++ return -ENOMEM; ++ break; ++ ++ default: ++ return -EINVAL; ++ } ++ } ++ return 0; ++} ++ ++static int ovl_fill_super(struct super_block *sb, void *data, int silent) ++{ ++ struct path lowerpath; ++ struct path upperpath; ++ struct inode *root_inode; ++ struct dentry *root_dentry; ++ struct ovl_entry *oe; ++ struct ovl_fs *ufs; ++ struct kstatfs statfs; ++ int err; ++ ++ err = -ENOMEM; ++ ufs = kmalloc(sizeof(struct ovl_fs), GFP_KERNEL); ++ if (!ufs) ++ goto out; ++ ++ err = ovl_parse_opt((char *) data, &ufs->config); ++ if (err) ++ goto out_free_ufs; ++ ++ err = -EINVAL; ++ if (!ufs->config.upperdir || !ufs->config.lowerdir) { ++ printk(KERN_ERR "overlayfs: missing upperdir or lowerdir\n"); ++ goto out_free_config; ++ } ++ ++ oe = ovl_alloc_entry(); ++ if (oe == NULL) ++ goto out_free_config; ++ ++ err = kern_path(ufs->config.upperdir, LOOKUP_FOLLOW, &upperpath); ++ if (err) ++ goto out_free_oe; ++ ++ err = kern_path(ufs->config.lowerdir, LOOKUP_FOLLOW, &lowerpath); ++ if (err) ++ goto out_put_upperpath; ++ ++ err = -ENOTDIR; ++ if (!S_ISDIR(upperpath.dentry->d_inode->i_mode) || ++ !S_ISDIR(lowerpath.dentry->d_inode->i_mode)) ++ goto out_put_lowerpath; ++ ++ err = vfs_statfs(&lowerpath, &statfs); ++ if (err) { ++ printk(KERN_ERR "overlayfs: statfs failed on lowerpath\n"); ++ goto out_put_lowerpath; ++ } ++ ufs->lower_namelen = statfs.f_namelen; ++ ++ sb->s_stack_depth = max(upperpath.mnt->mnt_sb->s_stack_depth, ++ lowerpath.mnt->mnt_sb->s_stack_depth) + 1; ++ ++ err = -EINVAL; ++ if (sb->s_stack_depth > FILESYSTEM_MAX_STACK_DEPTH) { ++ printk(KERN_ERR "overlayfs: maximum fs stacking depth exceeded\n"); ++ goto out_put_lowerpath; ++ } ++ ++ ++ ufs->upper_mnt = clone_private_mount(&upperpath); ++ err = PTR_ERR(ufs->upper_mnt); ++ if (IS_ERR(ufs->upper_mnt)) { ++ printk(KERN_ERR "overlayfs: failed to clone upperpath\n"); ++ goto out_put_lowerpath; ++ } ++ ++ ufs->lower_mnt = clone_private_mount(&lowerpath); ++ err = PTR_ERR(ufs->lower_mnt); ++ if (IS_ERR(ufs->lower_mnt)) { ++ printk(KERN_ERR "overlayfs: failed to clone lowerpath\n"); ++ goto out_put_upper_mnt; ++ } ++ ++ /* ++ * Make lower_mnt R/O. That way fchmod/fchown on lower file ++ * will fail instead of modifying lower fs. ++ */ ++ ufs->lower_mnt->mnt_flags |= MNT_READONLY; ++ ++ /* If the upper fs is r/o, we mark overlayfs r/o too */ ++ if (ufs->upper_mnt->mnt_sb->s_flags & MS_RDONLY) ++ sb->s_flags |= MS_RDONLY; ++ ++ if (!(sb->s_flags & MS_RDONLY)) { ++ err = mnt_want_write(ufs->upper_mnt); ++ if (err) ++ goto out_put_lower_mnt; ++ } ++ ++ err = -ENOMEM; ++ root_inode = ovl_new_inode(sb, S_IFDIR, oe); ++ if (!root_inode) ++ goto out_drop_write; ++ ++ root_dentry = d_make_root(root_inode); ++ if (!root_dentry) ++ goto out_drop_write; ++ ++ mntput(upperpath.mnt); ++ mntput(lowerpath.mnt); ++ ++ oe->__upperdentry = dget(upperpath.dentry); ++ oe->lowerdentry = lowerpath.dentry; ++ ++ root_dentry->d_fsdata = oe; ++ root_dentry->d_op = &ovl_dentry_operations; ++ ++ sb->s_magic = OVERLAYFS_SUPER_MAGIC; ++ sb->s_op = &ovl_super_operations; ++ sb->s_root = root_dentry; ++ sb->s_fs_info = ufs; ++ ++ return 0; ++ ++out_drop_write: ++ if (!(sb->s_flags & MS_RDONLY)) ++ mnt_drop_write(ufs->upper_mnt); ++out_put_lower_mnt: ++ mntput(ufs->lower_mnt); ++out_put_upper_mnt: ++ mntput(ufs->upper_mnt); ++out_put_lowerpath: ++ path_put(&lowerpath); ++out_put_upperpath: ++ path_put(&upperpath); ++out_free_oe: ++ kfree(oe); ++out_free_config: ++ kfree(ufs->config.lowerdir); ++ kfree(ufs->config.upperdir); ++out_free_ufs: ++ kfree(ufs); ++out: ++ return err; ++} ++ ++static struct dentry *ovl_mount(struct file_system_type *fs_type, int flags, ++ const char *dev_name, void *raw_data) ++{ ++ return mount_nodev(fs_type, flags, raw_data, ovl_fill_super); ++} ++ ++static struct file_system_type ovl_fs_type = { ++ .owner = THIS_MODULE, ++ .name = "overlayfs", ++ .mount = ovl_mount, ++ .kill_sb = kill_anon_super, ++}; ++ ++static int __init ovl_init(void) ++{ ++ return register_filesystem(&ovl_fs_type); ++} ++ ++static void __exit ovl_exit(void) ++{ ++ unregister_filesystem(&ovl_fs_type); ++} ++ ++module_init(ovl_init); ++module_exit(ovl_exit); +diff -Nur -x .git vfs-4cbe5a5/fs/splice.c vfs-3d5a648/fs/splice.c +--- vfs-4cbe5a5/fs/splice.c 2012-09-01 19:39:58.000000000 +0200 ++++ vfs-3d5a648/fs/splice.c 2012-09-05 16:35:20.000000000 +0200 +@@ -1308,6 +1308,7 @@ + + return ret; + } ++EXPORT_SYMBOL(do_splice_direct); + + static int splice_pipe_to_pipe(struct pipe_inode_info *ipipe, + struct pipe_inode_info *opipe, +diff -Nur -x .git vfs-4cbe5a5/include/linux/fs.h vfs-3d5a648/include/linux/fs.h +--- vfs-4cbe5a5/include/linux/fs.h 2012-09-01 19:39:58.000000000 +0200 ++++ vfs-3d5a648/include/linux/fs.h 2012-09-05 16:35:20.000000000 +0200 +@@ -505,6 +505,12 @@ + */ + #include <linux/quota.h> + ++/* ++ * Maximum number of layers of fs stack. Needs to be limited to ++ * prevent kernel stack overflow ++ */ ++#define FILESYSTEM_MAX_STACK_DEPTH 2 ++ + /** + * enum positive_aop_returns - aop return codes with specific semantics + * +@@ -1578,6 +1584,11 @@ + + /* Being remounted read-only */ + int s_readonly_remount; ++ ++ /* ++ * Indicates how deep in a filesystem stack this SB is ++ */ ++ int s_stack_depth; + }; + + /* superblock cache pruning functions */ +@@ -1835,6 +1846,7 @@ + int (*atomic_open)(struct inode *, struct dentry *, + struct file *, unsigned open_flag, + umode_t create_mode, int *opened); ++ int (*dentry_open)(struct dentry *, struct file *, const struct cred *); + } ____cacheline_aligned; + + struct seq_file; +@@ -2199,6 +2211,7 @@ + extern struct file *filp_open(const char *, int, umode_t); + extern struct file *file_open_root(struct dentry *, struct vfsmount *, + const char *, int); ++extern int vfs_open(const struct path *, struct file *, const struct cred *); + extern struct file * dentry_open(const struct path *, int, const struct cred *); + extern int filp_close(struct file *, fl_owner_t id); + extern char * getname(const char __user *); +@@ -2402,6 +2415,7 @@ + #endif + extern int notify_change(struct dentry *, struct iattr *); + extern int inode_permission(struct inode *, int); ++extern int __inode_permission(struct inode *, int); + extern int generic_permission(struct inode *, int); + + static inline bool execute_ok(struct inode *inode) +diff -Nur -x .git vfs-4cbe5a5/include/linux/mount.h vfs-3d5a648/include/linux/mount.h +--- vfs-4cbe5a5/include/linux/mount.h 2012-09-01 19:39:58.000000000 +0200 ++++ vfs-3d5a648/include/linux/mount.h 2012-09-05 16:35:20.000000000 +0200 +@@ -66,6 +66,9 @@ + extern void mnt_unpin(struct vfsmount *mnt); + extern int __mnt_is_readonly(struct vfsmount *mnt); + ++struct path; ++extern struct vfsmount *clone_private_mount(struct path *path); ++ + struct file_system_type; + extern struct vfsmount *vfs_kern_mount(struct file_system_type *type, + int flags, const char *name, +diff -Nur -x .git vfs-4cbe5a5/MAINTAINERS vfs-3d5a648/MAINTAINERS +--- vfs-4cbe5a5/MAINTAINERS 2012-09-01 19:39:58.000000000 +0200 ++++ vfs-3d5a648/MAINTAINERS 2012-09-05 16:35:20.000000000 +0200 +@@ -5103,6 +5103,13 @@ + F: include/scsi/osd_* + F: fs/exofs/ + ++OVERLAYFS FILESYSTEM ++M: Miklos Szeredi <miklos@szeredi.hu> ++L: linux-fsdevel@vger.kernel.org ++S: Supported ++F: fs/overlayfs/* ++F: Documentation/filesystems/overlayfs.txt ++ + P54 WIRELESS DRIVER + M: Christian Lamparter <chunkeey@googlemail.com> + L: linux-wireless@vger.kernel.org diff --git a/target/linux/generic/patches-3.6/102-ehci_hcd_ignore_oc.patch b/target/linux/generic/patches-3.6/102-ehci_hcd_ignore_oc.patch new file mode 100644 index 0000000000..400d2ed8e7 --- /dev/null +++ b/target/linux/generic/patches-3.6/102-ehci_hcd_ignore_oc.patch @@ -0,0 +1,41 @@ +--- a/drivers/usb/host/ehci-hcd.c ++++ b/drivers/usb/host/ehci-hcd.c +@@ -795,7 +795,7 @@ static int ehci_run (struct usb_hcd *hcd + "USB %x.%x started, EHCI %x.%02x%s\n", + ((ehci->sbrn & 0xf0)>>4), (ehci->sbrn & 0x0f), + temp >> 8, temp & 0xff, +- ignore_oc ? ", overcurrent ignored" : ""); ++ (ignore_oc || ehci->ignore_oc) ? ", overcurrent ignored" : ""); + + ehci_writel(ehci, INTR_MASK, + &ehci->regs->intr_enable); /* Turn On Interrupts */ +--- a/drivers/usb/host/ehci-hub.c ++++ b/drivers/usb/host/ehci-hub.c +@@ -578,7 +578,7 @@ ehci_hub_status_data (struct usb_hcd *hc + * always set, seem to clear PORT_OCC and PORT_CSC when writing to + * PORT_POWER; that's surprising, but maybe within-spec. + */ +- if (!ignore_oc) ++ if (!ignore_oc && !ehci->ignore_oc) + mask = PORT_CSC | PORT_PEC | PORT_OCC; + else + mask = PORT_CSC | PORT_PEC; +@@ -803,7 +803,7 @@ static int ehci_hub_control ( + if (temp & PORT_PEC) + status |= USB_PORT_STAT_C_ENABLE << 16; + +- if ((temp & PORT_OCC) && !ignore_oc){ ++ if ((temp & PORT_OCC) && (!ignore_oc && !ehci->ignore_oc)){ + status |= USB_PORT_STAT_C_OVERCURRENT << 16; + + /* +--- a/drivers/usb/host/ehci.h ++++ b/drivers/usb/host/ehci.h +@@ -147,6 +147,7 @@ struct ehci_hcd { /* one per controlle + unsigned use_dummy_qh:1; /* AMD Frame List table quirk*/ + unsigned has_synopsys_hc_bug:1; /* Synopsys HC */ + unsigned frame_index_bug:1; /* MosChip (AKA NetMos) */ ++ unsigned ignore_oc:1; + + /* required for usb32 quirk */ + #define OHCI_CTRL_HCFS (3 << 6) diff --git a/target/linux/generic/patches-3.6/110-fix_mtd_include.patch b/target/linux/generic/patches-3.6/110-fix_mtd_include.patch new file mode 100644 index 0000000000..c63dbc0596 --- /dev/null +++ b/target/linux/generic/patches-3.6/110-fix_mtd_include.patch @@ -0,0 +1,10 @@ +--- a/include/linux/mtd/physmap.h ++++ b/include/linux/mtd/physmap.h +@@ -17,6 +17,7 @@ + + #include <linux/mtd/mtd.h> + #include <linux/mtd/partitions.h> ++#include <linux/platform_device.h> + + struct map_info; + struct platform_device; diff --git a/target/linux/generic/patches-3.6/200-fix_localversion.patch b/target/linux/generic/patches-3.6/200-fix_localversion.patch new file mode 100644 index 0000000000..0d1bae8d45 --- /dev/null +++ b/target/linux/generic/patches-3.6/200-fix_localversion.patch @@ -0,0 +1,11 @@ +--- a/scripts/setlocalversion ++++ b/scripts/setlocalversion +@@ -168,7 +168,7 @@ else + # annotated or signed tagged state (as git describe only + # looks at signed or annotated tags - git tag -a/-s) and + # LOCALVERSION= is not specified +- if test "${LOCALVERSION+set}" != "set"; then ++ if test "${CONFIG_LOCALVERSION+set}" != "set"; then + scm=$(scm_version --short) + res="$res${scm:++}" + fi diff --git a/target/linux/generic/patches-3.6/201-extra_optimization.patch b/target/linux/generic/patches-3.6/201-extra_optimization.patch new file mode 100644 index 0000000000..6fe8b0938d --- /dev/null +++ b/target/linux/generic/patches-3.6/201-extra_optimization.patch @@ -0,0 +1,24 @@ +--- a/Makefile ++++ b/Makefile +@@ -559,9 +559,9 @@ endif # $(dot-config) + all: vmlinux + + ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE +-KBUILD_CFLAGS += -Os ++KBUILD_CFLAGS += -Os -fno-caller-saves + else +-KBUILD_CFLAGS += -O2 ++KBUILD_CFLAGS += -O2 -fno-reorder-blocks -fno-tree-ch -fno-caller-saves + endif + + include $(srctree)/arch/$(SRCARCH)/Makefile +@@ -620,6 +620,9 @@ endif + NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) + CHECKFLAGS += $(NOSTDINC_FLAGS) + ++# improve gcc optimization ++CFLAGS += $(call cc-option,-funit-at-a-time,) ++ + # warn about C99 declaration after statement + KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,) + diff --git a/target/linux/generic/patches-3.6/202-reduce_module_size.patch b/target/linux/generic/patches-3.6/202-reduce_module_size.patch new file mode 100644 index 0000000000..bca1e356a0 --- /dev/null +++ b/target/linux/generic/patches-3.6/202-reduce_module_size.patch @@ -0,0 +1,11 @@ +--- a/Makefile ++++ b/Makefile +@@ -374,7 +374,7 @@ KBUILD_CFLAGS_KERNEL := + KBUILD_AFLAGS := -D__ASSEMBLY__ + KBUILD_AFLAGS_MODULE := -DMODULE + KBUILD_CFLAGS_MODULE := -DMODULE +-KBUILD_LDFLAGS_MODULE := -T $(srctree)/scripts/module-common.lds ++KBUILD_LDFLAGS_MODULE = -T $(srctree)/scripts/module-common.lds $(if $(CONFIG_PROFILING),,-s) + + # Read KERNELRELEASE from include/config/kernel.release (if it exists) + KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null) diff --git a/target/linux/generic/patches-3.6/210-darwin_scripts_include.patch b/target/linux/generic/patches-3.6/210-darwin_scripts_include.patch new file mode 100644 index 0000000000..72d344ecde --- /dev/null +++ b/target/linux/generic/patches-3.6/210-darwin_scripts_include.patch @@ -0,0 +1,78 @@ +--- a/scripts/kallsyms.c ++++ b/scripts/kallsyms.c +@@ -22,6 +22,35 @@ + #include <stdlib.h> + #include <string.h> + #include <ctype.h> ++#ifdef __APPLE__ ++/* Darwin has no memmem implementation, this one is ripped of the uClibc-0.9.28 source */ ++void *memmem (const void *haystack, size_t haystack_len, ++ const void *needle, size_t needle_len) ++{ ++ const char *begin; ++ const char *const last_possible ++ = (const char *) haystack + haystack_len - needle_len; ++ ++ if (needle_len == 0) ++ /* The first occurrence of the empty string is deemed to occur at ++ the beginning of the string. */ ++ return (void *) haystack; ++ ++ /* Sanity check, otherwise the loop might search through the whole ++ memory. */ ++ if (__builtin_expect (haystack_len < needle_len, 0)) ++ return NULL; ++ ++ for (begin = (const char *) haystack; begin <= last_possible; ++begin) ++ if (begin[0] == ((const char *) needle)[0] && ++ !memcmp ((const void *) &begin[1], ++ (const void *) ((const char *) needle + 1), ++ needle_len - 1)) ++ return (void *) begin; ++ ++ return NULL; ++} ++#endif + + #ifndef ARRAY_SIZE + #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0])) +--- a/scripts/kconfig/Makefile ++++ b/scripts/kconfig/Makefile +@@ -123,6 +123,9 @@ check-lxdialog := $(srctree)/$(src)/lxd + # we really need to do so. (Do not call gcc as part of make mrproper) + HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \ + -DLOCALE ++ifeq ($(shell uname -s),Darwin) ++HOST_LOADLIBES += -lncurses ++endif + + # =========================================================================== + # Shared Makefile for the various kconfig executables: +--- a/scripts/mod/mk_elfconfig.c ++++ b/scripts/mod/mk_elfconfig.c +@@ -1,7 +1,11 @@ + #include <stdio.h> + #include <stdlib.h> + #include <string.h> ++#ifndef __APPLE__ + #include <elf.h> ++#else ++#include "../../../../../tools/sstrip/include/elf.h" ++#endif + + int + main(int argc, char **argv) +--- a/scripts/mod/modpost.h ++++ b/scripts/mod/modpost.h +@@ -7,7 +7,11 @@ + #include <sys/mman.h> + #include <fcntl.h> + #include <unistd.h> ++#if !(defined(__APPLE__) || defined(__CYGWIN__)) + #include <elf.h> ++#else ++#include "../../../../../tools/sstrip/include/elf.h" ++#endif + + #include "elfconfig.h" + diff --git a/target/linux/generic/patches-3.6/211-stddef_include.patch b/target/linux/generic/patches-3.6/211-stddef_include.patch new file mode 100644 index 0000000000..7fe248d8d3 --- /dev/null +++ b/target/linux/generic/patches-3.6/211-stddef_include.patch @@ -0,0 +1,17 @@ +--- a/include/linux/stddef.h ++++ b/include/linux/stddef.h +@@ -16,6 +16,7 @@ enum { + false = 0, + true = 1 + }; ++#endif /* __KERNEL__ */ + + #undef offsetof + #ifdef __compiler_offsetof +@@ -23,6 +24,5 @@ enum { + #else + #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) + #endif +-#endif /* __KERNEL__ */ + + #endif diff --git a/target/linux/generic/patches-3.6/212-x86_reloc_portability.patch b/target/linux/generic/patches-3.6/212-x86_reloc_portability.patch new file mode 100644 index 0000000000..d0c8106a60 --- /dev/null +++ b/target/linux/generic/patches-3.6/212-x86_reloc_portability.patch @@ -0,0 +1,22 @@ +--- a/arch/x86/tools/relocs.c ++++ b/arch/x86/tools/relocs.c +@@ -10,7 +10,18 @@ + #define USE_BSD + #include <endian.h> + #include <regex.h> +-#include <tools/le_byteshift.h> ++ ++static inline void __put_unaligned_le16(uint16_t val, uint8_t *p) ++{ ++ *p++ = val; ++ *p++ = val >> 8; ++} ++ ++static inline void put_unaligned_le32(uint32_t val, uint8_t *p) ++{ ++ __put_unaligned_le16(val >> 16, p + 2); ++ __put_unaligned_le16(val, p); ++} + + static void die(char *fmt, ...); + diff --git a/target/linux/generic/patches-3.6/220-module_exports.patch b/target/linux/generic/patches-3.6/220-module_exports.patch new file mode 100644 index 0000000000..be6b6ff9d9 --- /dev/null +++ b/target/linux/generic/patches-3.6/220-module_exports.patch @@ -0,0 +1,89 @@ +--- a/include/asm-generic/vmlinux.lds.h ++++ b/include/asm-generic/vmlinux.lds.h +@@ -52,6 +52,27 @@ + #define LOAD_OFFSET 0 + #endif + ++#ifndef SYMTAB_KEEP_STR ++#define SYMTAB_KEEP_STR *(__ksymtab_strings+*) ++#define SYMTAB_DISCARD_STR ++#else ++#define SYMTAB_DISCARD_STR *(__ksymtab_strings+*) ++#endif ++ ++#ifndef SYMTAB_KEEP ++#define SYMTAB_KEEP *(SORT(___ksymtab+*)) ++#define SYMTAB_DISCARD ++#else ++#define SYMTAB_DISCARD *(SORT(___ksymtab+*)) ++#endif ++ ++#ifndef SYMTAB_KEEP_GPL ++#define SYMTAB_KEEP_GPL *(SORT(___ksymtab_gpl+*)) ++#define SYMTAB_DISCARD_GPL ++#else ++#define SYMTAB_DISCARD_GPL *(SORT(___ksymtab_gpl+*)) ++#endif ++ + #ifndef SYMBOL_PREFIX + #define VMLINUX_SYMBOL(sym) sym + #else +@@ -275,14 +296,14 @@ + /* Kernel symbol table: Normal symbols */ \ + __ksymtab : AT(ADDR(__ksymtab) - LOAD_OFFSET) { \ + VMLINUX_SYMBOL(__start___ksymtab) = .; \ +- *(SORT(___ksymtab+*)) \ ++ SYMTAB_KEEP \ + VMLINUX_SYMBOL(__stop___ksymtab) = .; \ + } \ + \ + /* Kernel symbol table: GPL-only symbols */ \ + __ksymtab_gpl : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) { \ + VMLINUX_SYMBOL(__start___ksymtab_gpl) = .; \ +- *(SORT(___ksymtab_gpl+*)) \ ++ SYMTAB_KEEP_GPL \ + VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .; \ + } \ + \ +@@ -344,7 +365,7 @@ + \ + /* Kernel symbol table: strings */ \ + __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \ +- *(__ksymtab_strings) \ ++ SYMTAB_KEEP_STR \ + } \ + \ + /* __*init sections */ \ +@@ -676,6 +697,9 @@ + EXIT_TEXT \ + EXIT_DATA \ + EXIT_CALL \ ++ SYMTAB_DISCARD \ ++ SYMTAB_DISCARD_GPL \ ++ SYMTAB_DISCARD_STR \ + *(.discard) \ + *(.discard.*) \ + } +--- a/include/linux/export.h ++++ b/include/linux/export.h +@@ -45,12 +45,19 @@ extern struct module __this_module; + #define __CRC_SYMBOL(sym, sec) + #endif + ++#ifdef MODULE ++#define __EXPORT_SUFFIX(sym) ++#else ++#define __EXPORT_SUFFIX(sym) "+" #sym ++#endif ++ + /* For every exported symbol, place a struct in the __ksymtab section */ + #define __EXPORT_SYMBOL(sym, sec) \ + extern typeof(sym) sym; \ + __CRC_SYMBOL(sym, sec) \ + static const char __kstrtab_##sym[] \ +- __attribute__((section("__ksymtab_strings"), aligned(1))) \ ++ __attribute__((section("__ksymtab_strings" \ ++ __EXPORT_SUFFIX(sym)), aligned(1))) \ + = MODULE_SYMBOL_PREFIX #sym; \ + static const struct kernel_symbol __ksymtab_##sym \ + __used \ diff --git a/target/linux/generic/patches-3.6/230-openwrt_lzma_options.patch b/target/linux/generic/patches-3.6/230-openwrt_lzma_options.patch new file mode 100644 index 0000000000..f17f40ac93 --- /dev/null +++ b/target/linux/generic/patches-3.6/230-openwrt_lzma_options.patch @@ -0,0 +1,54 @@ +--- a/scripts/Makefile.lib ++++ b/scripts/Makefile.lib +@@ -296,7 +296,7 @@ cmd_bzip2 = (cat $(filter-out FORCE,$^) + + quiet_cmd_lzma = LZMA $@ + cmd_lzma = (cat $(filter-out FORCE,$^) | \ +- lzma -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ ++ lzma e -d20 -lc1 -lp2 -pb2 -eos -si -so && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ + (rm -f $@ ; false) + + quiet_cmd_lzo = LZO $@ +--- a/scripts/gen_initramfs_list.sh ++++ b/scripts/gen_initramfs_list.sh +@@ -226,7 +226,7 @@ cpio_list= + output="/dev/stdout" + output_file="" + is_cpio_compressed= +-compr="gzip -n -9 -f" ++compr="gzip -n -9 -f -" + + arg="$1" + case "$arg" in +@@ -240,9 +240,9 @@ case "$arg" in + output_file="$1" + cpio_list="$(mktemp ${TMPDIR:-/tmp}/cpiolist.XXXXXX)" + output=${cpio_list} +- echo "$output_file" | grep -q "\.gz$" && compr="gzip -n -9 -f" +- echo "$output_file" | grep -q "\.bz2$" && compr="bzip2 -9 -f" +- echo "$output_file" | grep -q "\.lzma$" && compr="lzma -9 -f" ++ echo "$output_file" | grep -q "\.gz$" && compr="gzip -n -9 -f -" ++ echo "$output_file" | grep -q "\.bz2$" && compr="bzip2 -9 -f -" ++ echo "$output_file" | grep -q "\.lzma$" && compr="lzma e -d20 -lc1 -lp2 -pb2 -eos -si -so" + echo "$output_file" | grep -q "\.xz$" && \ + compr="xz --check=crc32 --lzma2=dict=1MiB" + echo "$output_file" | grep -q "\.lzo$" && compr="lzop -9 -f" +@@ -303,7 +303,7 @@ if [ ! -z ${output_file} ]; then + if [ "${is_cpio_compressed}" = "compressed" ]; then + cat ${cpio_tfile} > ${output_file} + else +- (cat ${cpio_tfile} | ${compr} - > ${output_file}) \ ++ (cat ${cpio_tfile} | ${compr} > ${output_file}) \ + || (rm -f ${output_file} ; false) + fi + [ -z ${cpio_file} ] && rm ${cpio_tfile} +--- a/lib/decompress.c ++++ b/lib/decompress.c +@@ -40,6 +40,7 @@ static const struct compress_format { + { {037, 0236}, "gzip", gunzip }, + { {0x42, 0x5a}, "bzip2", bunzip2 }, + { {0x5d, 0x00}, "lzma", unlzma }, ++ { {0x6d, 0x00}, "lzma-openwrt", unlzma }, + { {0xfd, 0x37}, "xz", unxz }, + { {0x89, 0x4c}, "lzo", unlzo }, + { {0, 0}, NULL, NULL } diff --git a/target/linux/generic/patches-3.6/250-netfilter_depends.patch b/target/linux/generic/patches-3.6/250-netfilter_depends.patch new file mode 100644 index 0000000000..cbe3892316 --- /dev/null +++ b/target/linux/generic/patches-3.6/250-netfilter_depends.patch @@ -0,0 +1,18 @@ +--- a/net/netfilter/Kconfig ++++ b/net/netfilter/Kconfig +@@ -181,7 +181,6 @@ config NF_CONNTRACK_FTP + + config NF_CONNTRACK_H323 + tristate "H.323 protocol support" +- depends on (IPV6 || IPV6=n) + depends on NETFILTER_ADVANCED + help + H.323 is a VoIP signalling protocol from ITU-T. As one of the most +@@ -627,7 +626,6 @@ config NETFILTER_XT_TARGET_SECMARK + + config NETFILTER_XT_TARGET_TCPMSS + tristate '"TCPMSS" target support' +- depends on (IPV6 || IPV6=n) + default m if NETFILTER_ADVANCED=n + ---help--- + This option adds a `TCPMSS' target, which allows you to alter the diff --git a/target/linux/generic/patches-3.6/251-sound_kconfig.patch b/target/linux/generic/patches-3.6/251-sound_kconfig.patch new file mode 100644 index 0000000000..f374009a65 --- /dev/null +++ b/target/linux/generic/patches-3.6/251-sound_kconfig.patch @@ -0,0 +1,11 @@ +--- a/sound/core/Kconfig ++++ b/sound/core/Kconfig +@@ -7,7 +7,7 @@ config SND_PCM + select SND_TIMER + + config SND_HWDEP +- tristate ++ tristate "Sound hardware support" + + config SND_RAWMIDI + tristate diff --git a/target/linux/generic/patches-3.6/252-mv_cesa_depends.patch b/target/linux/generic/patches-3.6/252-mv_cesa_depends.patch new file mode 100644 index 0000000000..53701458aa --- /dev/null +++ b/target/linux/generic/patches-3.6/252-mv_cesa_depends.patch @@ -0,0 +1,10 @@ +--- a/drivers/crypto/Kconfig ++++ b/drivers/crypto/Kconfig +@@ -172,6 +172,7 @@ config CRYPTO_DEV_MV_CESA + depends on PLAT_ORION + select CRYPTO_ALGAPI + select CRYPTO_AES ++ select CRYPTO_HASH2 + select CRYPTO_BLKCIPHER2 + select CRYPTO_HASH + help diff --git a/target/linux/generic/patches-3.6/253-ssb_b43_default_on.patch b/target/linux/generic/patches-3.6/253-ssb_b43_default_on.patch new file mode 100644 index 0000000000..29d2a41a3b --- /dev/null +++ b/target/linux/generic/patches-3.6/253-ssb_b43_default_on.patch @@ -0,0 +1,29 @@ +--- a/drivers/ssb/Kconfig ++++ b/drivers/ssb/Kconfig +@@ -29,6 +29,7 @@ config SSB_SPROM + config SSB_BLOCKIO + bool + depends on SSB ++ default y + + config SSB_PCIHOST_POSSIBLE + bool +@@ -49,7 +50,7 @@ config SSB_PCIHOST + config SSB_B43_PCI_BRIDGE + bool + depends on SSB_PCIHOST +- default n ++ default y + + config SSB_PCMCIAHOST_POSSIBLE + bool +--- a/drivers/bcma/Kconfig ++++ b/drivers/bcma/Kconfig +@@ -17,6 +17,7 @@ config BCMA + config BCMA_BLOCKIO + bool + depends on BCMA ++ default y + + config BCMA_HOST_PCI_POSSIBLE + bool diff --git a/target/linux/generic/patches-3.6/254-textsearch_kconfig_hacks.patch b/target/linux/generic/patches-3.6/254-textsearch_kconfig_hacks.patch new file mode 100644 index 0000000000..1659fda937 --- /dev/null +++ b/target/linux/generic/patches-3.6/254-textsearch_kconfig_hacks.patch @@ -0,0 +1,23 @@ +--- a/lib/Kconfig ++++ b/lib/Kconfig +@@ -207,16 +207,16 @@ config BCH_CONST_T + # Textsearch support is select'ed if needed + # + config TEXTSEARCH +- boolean ++ boolean "Textsearch support" + + config TEXTSEARCH_KMP +- tristate ++ tristate "Textsearch KMP" + + config TEXTSEARCH_BM +- tristate ++ tristate "Textsearch BM" + + config TEXTSEARCH_FSM +- tristate ++ tristate "Textsearch FSM" + + config BTREE + boolean diff --git a/target/linux/generic/patches-3.6/255-lib80211_kconfig_hacks.patch b/target/linux/generic/patches-3.6/255-lib80211_kconfig_hacks.patch new file mode 100644 index 0000000000..8dde331a9d --- /dev/null +++ b/target/linux/generic/patches-3.6/255-lib80211_kconfig_hacks.patch @@ -0,0 +1,19 @@ +--- a/net/wireless/Kconfig ++++ b/net/wireless/Kconfig +@@ -143,13 +143,13 @@ config LIB80211 + you want this built into your kernel. + + config LIB80211_CRYPT_WEP +- tristate ++ tristate "LIB80211_CRYPT_WEP" + + config LIB80211_CRYPT_CCMP +- tristate ++ tristate "LIB80211_CRYPT_CCMP" + + config LIB80211_CRYPT_TKIP +- tristate ++ tristate "LIB80211_CRYPT_TKIP" + + config LIB80211_DEBUG + bool "lib80211 debugging messages" diff --git a/target/linux/generic/patches-3.6/256-crypto_add_kconfig_prompts.patch b/target/linux/generic/patches-3.6/256-crypto_add_kconfig_prompts.patch new file mode 100644 index 0000000000..8462c711f0 --- /dev/null +++ b/target/linux/generic/patches-3.6/256-crypto_add_kconfig_prompts.patch @@ -0,0 +1,47 @@ +--- a/crypto/Kconfig ++++ b/crypto/Kconfig +@@ -31,7 +31,7 @@ config CRYPTO_FIPS + this is. + + config CRYPTO_ALGAPI +- tristate ++ tristate "ALGAPI" + select CRYPTO_ALGAPI2 + help + This option provides the API for cryptographic algorithms. +@@ -40,7 +40,7 @@ config CRYPTO_ALGAPI2 + tristate + + config CRYPTO_AEAD +- tristate ++ tristate "AEAD" + select CRYPTO_AEAD2 + select CRYPTO_ALGAPI + +@@ -49,7 +49,7 @@ config CRYPTO_AEAD2 + select CRYPTO_ALGAPI2 + + config CRYPTO_BLKCIPHER +- tristate ++ tristate "BLKCIPHER" + select CRYPTO_BLKCIPHER2 + select CRYPTO_ALGAPI + +@@ -60,7 +60,7 @@ config CRYPTO_BLKCIPHER2 + select CRYPTO_WORKQUEUE + + config CRYPTO_HASH +- tristate ++ tristate "HASH" + select CRYPTO_HASH2 + select CRYPTO_ALGAPI + +@@ -69,7 +69,7 @@ config CRYPTO_HASH2 + select CRYPTO_ALGAPI2 + + config CRYPTO_RNG +- tristate ++ tristate "RNG" + select CRYPTO_RNG2 + select CRYPTO_ALGAPI + diff --git a/target/linux/generic/patches-3.6/257-wireless_ext_kconfig_hack.patch b/target/linux/generic/patches-3.6/257-wireless_ext_kconfig_hack.patch new file mode 100644 index 0000000000..daac5898ae --- /dev/null +++ b/target/linux/generic/patches-3.6/257-wireless_ext_kconfig_hack.patch @@ -0,0 +1,22 @@ +--- a/net/wireless/Kconfig ++++ b/net/wireless/Kconfig +@@ -1,5 +1,5 @@ + config WIRELESS_EXT +- bool ++ bool "Wireless extensions" + + config WEXT_CORE + def_bool y +@@ -11,10 +11,10 @@ config WEXT_PROC + depends on WEXT_CORE + + config WEXT_SPY +- bool ++ bool "WEXT_SPY" + + config WEXT_PRIV +- bool ++ bool "WEXT_PRIV" + + config CFG80211 + tristate "cfg80211 - wireless configuration API" diff --git a/target/linux/generic/patches-3.6/258-netfilter_netlink_kconfig_hack.patch b/target/linux/generic/patches-3.6/258-netfilter_netlink_kconfig_hack.patch new file mode 100644 index 0000000000..9d827c253b --- /dev/null +++ b/target/linux/generic/patches-3.6/258-netfilter_netlink_kconfig_hack.patch @@ -0,0 +1,11 @@ +--- a/net/netfilter/Kconfig ++++ b/net/netfilter/Kconfig +@@ -2,7 +2,7 @@ menu "Core Netfilter Configuration" + depends on NET && INET && NETFILTER + + config NETFILTER_NETLINK +- tristate ++ tristate "Netfilter NFNETLINK interface" + + config NETFILTER_NETLINK_ACCT + tristate "Netfilter NFACCT over NFNETLINK interface" diff --git a/target/linux/generic/patches-3.6/300-mips_expose_boot_raw.patch b/target/linux/generic/patches-3.6/300-mips_expose_boot_raw.patch new file mode 100644 index 0000000000..b114ef4045 --- /dev/null +++ b/target/linux/generic/patches-3.6/300-mips_expose_boot_raw.patch @@ -0,0 +1,39 @@ +From: Mark Miller <mark@mirell.org> + +This exposes the CONFIG_BOOT_RAW symbol in Kconfig. This is needed on +certain Broadcom chipsets running CFE in order to load the kernel. + +Signed-off-by: Mark Miller <mark@mirell.org> +Acked-by: Rob Landley <rob@landley.net> +--- +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -877,9 +877,6 @@ config ARC + config ARCH_MAY_HAVE_PC_FDC + bool + +-config BOOT_RAW +- bool +- + config CEVT_BCM1480 + bool + +@@ -2330,6 +2327,18 @@ config USE_OF + help + Include support for flattened device tree machine descriptions. + ++config BOOT_RAW ++ bool "Enable the kernel to be executed from the load address" ++ default n ++ help ++ Allow the kernel to be executed from the load address for ++ bootloaders which cannot read the ELF format. This places ++ a jump to start_kernel at the load address. ++ ++ If unsure, say N. ++ ++ ++ + endmenu + + config LOCKDEP_SUPPORT diff --git a/target/linux/generic/patches-3.6/301-mips_image_cmdline_hack.patch b/target/linux/generic/patches-3.6/301-mips_image_cmdline_hack.patch new file mode 100644 index 0000000000..9193c68f0d --- /dev/null +++ b/target/linux/generic/patches-3.6/301-mips_image_cmdline_hack.patch @@ -0,0 +1,28 @@ +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -976,6 +976,10 @@ config SYNC_R4K + config MIPS_MACHINE + def_bool n + ++config IMAGE_CMDLINE_HACK ++ bool "OpenWrt specific image command line hack" ++ default n ++ + config NO_IOPORT + def_bool n + +--- a/arch/mips/kernel/head.S ++++ b/arch/mips/kernel/head.S +@@ -141,6 +141,12 @@ FEXPORT(__kernel_entry) + j kernel_entry + #endif + ++#ifdef CONFIG_IMAGE_CMDLINE_HACK ++ .ascii "CMDLINE:" ++EXPORT(__image_cmdline) ++ .fill 0x400 ++#endif /* CONFIG_IMAGE_CMDLINE_HACK */ ++ + __REF + + NESTED(kernel_entry, 16, sp) # kernel entry point diff --git a/target/linux/generic/patches-3.6/303-mips_fix_kexec.patch b/target/linux/generic/patches-3.6/303-mips_fix_kexec.patch new file mode 100644 index 0000000000..e6928dde91 --- /dev/null +++ b/target/linux/generic/patches-3.6/303-mips_fix_kexec.patch @@ -0,0 +1,11 @@ +--- a/arch/mips/kernel/machine_kexec.c ++++ b/arch/mips/kernel/machine_kexec.c +@@ -52,7 +52,7 @@ machine_kexec(struct kimage *image) + reboot_code_buffer = + (unsigned long)page_address(image->control_code_page); + +- kexec_start_address = image->start; ++ kexec_start_address = (unsigned long) phys_to_virt(image->start); + kexec_indirection_page = + (unsigned long) phys_to_virt(image->head & PAGE_MASK); + diff --git a/target/linux/generic/patches-3.6/304-mips_disable_fpu.patch b/target/linux/generic/patches-3.6/304-mips_disable_fpu.patch new file mode 100644 index 0000000000..e747feac61 --- /dev/null +++ b/target/linux/generic/patches-3.6/304-mips_disable_fpu.patch @@ -0,0 +1,160 @@ +MIPS: allow disabling the kernel FPU emulator + +This patch allows turning off the in-kernel Algorithmics +FPU emulator support, which allows one to save a couple of +precious blocks on an embedded system. + +Signed-off-by: Florian Fainelli <florian@openwrt.org> +-- +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -961,6 +961,17 @@ config I8259 + config MIPS_BONITO64 + bool + ++config MIPS_FPU_EMU ++ bool "Enable FPU emulation" ++ default y ++ help ++ This option allows building a kernel with or without the Algorithmics ++ FPU emulator enabled. Turning off this option results in a kernel which ++ does not catch floating operations exceptions. Make sure that your toolchain ++ is configured to enable software floating point emulation in that case. ++ ++ If unsure say Y here. ++ + config MIPS_MSC + bool + +--- a/arch/mips/math-emu/Makefile ++++ b/arch/mips/math-emu/Makefile +@@ -2,11 +2,13 @@ + # Makefile for the Linux/MIPS kernel FPU emulation. + # + +-obj-y := cp1emu.o ieee754m.o ieee754d.o ieee754dp.o ieee754sp.o ieee754.o \ ++obj-y := kernel_linkage.o dsemul.o cp1emu.o ++ ++obj-$(CONFIG_MIPS_FPU_EMU) += ieee754m.o ieee754d.o ieee754dp.o ieee754sp.o ieee754.o \ + ieee754xcpt.o dp_frexp.o dp_modf.o dp_div.o dp_mul.o dp_sub.o \ + dp_add.o dp_fsp.o dp_cmp.o dp_logb.o dp_scalb.o dp_simple.o \ + dp_tint.o dp_fint.o dp_tlong.o dp_flong.o sp_frexp.o sp_modf.o \ + sp_div.o sp_mul.o sp_sub.o sp_add.o sp_fdp.o sp_cmp.o sp_logb.o \ + sp_scalb.o sp_simple.o sp_tint.o sp_fint.o sp_tlong.o sp_flong.o \ +- dp_sqrt.o sp_sqrt.o kernel_linkage.o dsemul.o ++ dp_sqrt.o sp_sqrt.o + +--- a/arch/mips/math-emu/cp1emu.c ++++ b/arch/mips/math-emu/cp1emu.c +@@ -58,7 +58,11 @@ + #define __mips 4 + + /* Function which emulates a floating point instruction. */ ++#ifdef CONFIG_DEBUG_FS ++DEFINE_PER_CPU(struct mips_fpu_emulator_stats, fpuemustats); ++#endif + ++#ifdef CONFIG_MIPS_FPU_EMU + static int fpu_emu(struct pt_regs *, struct mips_fpu_struct *, + mips_instruction); + +@@ -69,10 +73,6 @@ static int fpux_emu(struct pt_regs *, + + /* Further private data for which no space exists in mips_fpu_struct */ + +-#ifdef CONFIG_DEBUG_FS +-DEFINE_PER_CPU(struct mips_fpu_emulator_stats, fpuemustats); +-#endif +- + /* Control registers */ + + #define FPCREG_RID 0 /* $0 = revision id */ +@@ -1360,7 +1360,6 @@ int fpu_emulator_cop1Handler(struct pt_r + + return sig; + } +- + #ifdef CONFIG_DEBUG_FS + + static int fpuemu_stat_get(void *data, u64 *val) +@@ -1409,4 +1408,11 @@ static int __init debugfs_fpuemu(void) + return 0; + } + __initcall(debugfs_fpuemu); +-#endif ++#endif /* CONFIG_DEBUGFS */ ++#else ++int fpu_emulator_cop1Handler(struct pt_regs *xcp, struct mips_fpu_struct *ctx, ++ int has_fpu) ++{ ++ return 0; ++} ++#endif /* CONFIG_MIPS_FPU_EMU */ +--- a/arch/mips/math-emu/dsemul.c ++++ b/arch/mips/math-emu/dsemul.c +@@ -109,6 +109,7 @@ int mips_dsemul(struct pt_regs *regs, mi + return SIGILL; /* force out of emulation loop */ + } + ++#ifdef CONFIG_MIPS_FPU_EMU + int do_dsemulret(struct pt_regs *xcp) + { + struct emuframe __user *fr; +@@ -165,3 +166,9 @@ int do_dsemulret(struct pt_regs *xcp) + + return 1; + } ++#else ++int do_dsemulret(struct pt_regs *xcp) ++{ ++ return 0; ++} ++#endif /* CONFIG_MIPS_FPU_EMU */ +--- a/arch/mips/math-emu/kernel_linkage.c ++++ b/arch/mips/math-emu/kernel_linkage.c +@@ -29,6 +29,7 @@ + + #define SIGNALLING_NAN 0x7ff800007ff80000LL + ++#ifdef CONFIG_MIPS_FPU_EMU + void fpu_emulator_init_fpu(void) + { + static int first = 1; +@@ -112,4 +113,36 @@ int fpu_emulator_restore_context32(struc + + return err; + } +-#endif ++#endif /* CONFIG_64BIT */ ++#else ++ ++void fpu_emulator_init_fpu(void) ++{ ++ printk(KERN_INFO "FPU emulator disabled, make sure your toolchain" ++ "was compiled with software floating point support (soft-float)\n"); ++ return; ++} ++ ++int fpu_emulator_save_context(struct sigcontext __user *sc) ++{ ++ return 0; ++} ++ ++int fpu_emulator_restore_context(struct sigcontext __user *sc) ++{ ++ return 0; ++} ++ ++int fpu_emulator_save_context32(struct sigcontext32 __user *sc) ++{ ++ return 0; ++} ++ ++int fpu_emulator_restore_context32(struct sigcontext32 __user *sc) ++{ ++ return 0; ++} ++ ++#ifdef CONFIG_64BIT ++#endif /* CONFIG_64BIT */ ++#endif /* CONFIG_MIPS_FPU_EMU */ diff --git a/target/linux/generic/patches-3.6/305-mips_module_reloc.patch b/target/linux/generic/patches-3.6/305-mips_module_reloc.patch new file mode 100644 index 0000000000..2dcbf951fb --- /dev/null +++ b/target/linux/generic/patches-3.6/305-mips_module_reloc.patch @@ -0,0 +1,371 @@ +--- a/arch/mips/Makefile ++++ b/arch/mips/Makefile +@@ -90,8 +90,8 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin + cflags-y += -G 0 -mno-abicalls -fno-pic -pipe + cflags-y += -msoft-float + LDFLAGS_vmlinux += -G 0 -static -n -nostdlib +-KBUILD_AFLAGS_MODULE += -mlong-calls +-KBUILD_CFLAGS_MODULE += -mlong-calls ++KBUILD_AFLAGS_MODULE += -mno-long-calls ++KBUILD_CFLAGS_MODULE += -mno-long-calls + + cflags-y += -ffreestanding + +--- a/arch/mips/include/asm/module.h ++++ b/arch/mips/include/asm/module.h +@@ -9,6 +9,11 @@ struct mod_arch_specific { + const struct exception_table_entry *dbe_start; + const struct exception_table_entry *dbe_end; + struct mips_hi16 *r_mips_hi16_list; ++ ++ void *phys_plt_tbl; ++ void *virt_plt_tbl; ++ unsigned int phys_plt_offset; ++ unsigned int virt_plt_offset; + }; + + typedef uint8_t Elf64_Byte; /* Type for a 8-bit quantity. */ +--- a/arch/mips/kernel/module.c ++++ b/arch/mips/kernel/module.c +@@ -44,14 +44,219 @@ static struct mips_hi16 *mips_hi16_list; + static LIST_HEAD(dbe_list); + static DEFINE_SPINLOCK(dbe_lock); + +-#ifdef MODULE_START ++/* ++ * Get the potential max trampolines size required of the init and ++ * non-init sections. Only used if we cannot find enough contiguous ++ * physically mapped memory to put the module into. ++ */ ++static unsigned int ++get_plt_size(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs, ++ const char *secstrings, unsigned int symindex, bool is_init) ++{ ++ unsigned long ret = 0; ++ unsigned int i, j; ++ Elf_Sym *syms; ++ ++ /* Everything marked ALLOC (this includes the exported symbols) */ ++ for (i = 1; i < hdr->e_shnum; ++i) { ++ unsigned int info = sechdrs[i].sh_info; ++ ++ if (sechdrs[i].sh_type != SHT_REL ++ && sechdrs[i].sh_type != SHT_RELA) ++ continue; ++ ++ /* Not a valid relocation section? */ ++ if (info >= hdr->e_shnum) ++ continue; ++ ++ /* Don't bother with non-allocated sections */ ++ if (!(sechdrs[info].sh_flags & SHF_ALLOC)) ++ continue; ++ ++ /* If it's called *.init*, and we're not init, we're ++ not interested */ ++ if ((strstr(secstrings + sechdrs[i].sh_name, ".init") != 0) ++ != is_init) ++ continue; ++ ++ syms = (Elf_Sym *) sechdrs[symindex].sh_addr; ++ if (sechdrs[i].sh_type == SHT_REL) { ++ Elf_Mips_Rel *rel = (void *) sechdrs[i].sh_addr; ++ unsigned int size = sechdrs[i].sh_size / sizeof(*rel); ++ ++ for (j = 0; j < size; ++j) { ++ Elf_Sym *sym; ++ ++ if (ELF_MIPS_R_TYPE(rel[j]) != R_MIPS_26) ++ continue; ++ ++ sym = syms + ELF_MIPS_R_SYM(rel[j]); ++ if (!is_init && sym->st_shndx != SHN_UNDEF) ++ continue; ++ ++ ret += 4 * sizeof(int); ++ } ++ } else { ++ Elf_Mips_Rela *rela = (void *) sechdrs[i].sh_addr; ++ unsigned int size = sechdrs[i].sh_size / sizeof(*rela); ++ ++ for (j = 0; j < size; ++j) { ++ Elf_Sym *sym; ++ ++ if (ELF_MIPS_R_TYPE(rela[j]) != R_MIPS_26) ++ continue; ++ ++ sym = syms + ELF_MIPS_R_SYM(rela[j]); ++ if (!is_init && sym->st_shndx != SHN_UNDEF) ++ continue; ++ ++ ret += 4 * sizeof(int); ++ } ++ } ++ } ++ ++ return ret; ++} ++ ++#ifndef MODULE_START ++static void *alloc_phys(unsigned long size) ++{ ++ unsigned order; ++ struct page *page; ++ struct page *p; ++ ++ size = PAGE_ALIGN(size); ++ order = get_order(size); ++ ++ page = alloc_pages(GFP_KERNEL | __GFP_NORETRY | __GFP_NOWARN | ++ __GFP_THISNODE, order); ++ if (!page) ++ return NULL; ++ ++ split_page(page, order); ++ ++ for (p = page + (size >> PAGE_SHIFT); p < page + (1 << order); ++p) ++ __free_page(p); ++ ++ return page_address(page); ++} ++#endif ++ ++static void free_phys(void *ptr, unsigned long size) ++{ ++ struct page *page; ++ struct page *end; ++ ++ page = virt_to_page(ptr); ++ end = page + (PAGE_ALIGN(size) >> PAGE_SHIFT); ++ ++ for (; page < end; ++page) ++ __free_page(page); ++} ++ ++ + void *module_alloc(unsigned long size) + { ++#ifdef MODULE_START + return __vmalloc_node_range(size, 1, MODULE_START, MODULE_END, + GFP_KERNEL, PAGE_KERNEL, -1, + __builtin_return_address(0)); ++#else ++ void *ptr; ++ ++ if (size == 0) ++ return NULL; ++ ++ ptr = alloc_phys(size); ++ ++ /* If we failed to allocate physically contiguous memory, ++ * fall back to regular vmalloc. The module loader code will ++ * create jump tables to handle long jumps */ ++ if (!ptr) ++ return vmalloc(size); ++ ++ return ptr; ++#endif + } ++ ++static inline bool is_phys_addr(void *ptr) ++{ ++#ifdef CONFIG_64BIT ++ return (KSEGX((unsigned long)ptr) == CKSEG0); ++#else ++ return (KSEGX(ptr) == KSEG0); + #endif ++} ++ ++/* Free memory returned from module_alloc */ ++void module_free(struct module *mod, void *module_region) ++{ ++ if (is_phys_addr(module_region)) { ++ if (mod->module_init == module_region) ++ free_phys(module_region, mod->init_size); ++ else if (mod->module_core == module_region) ++ free_phys(module_region, mod->core_size); ++ else ++ BUG(); ++ } else { ++ vfree(module_region); ++ } ++} ++ ++static void *__module_alloc(int size, bool phys) ++{ ++ void *ptr; ++ ++ if (phys) ++ ptr = kmalloc(size, GFP_KERNEL); ++ else ++ ptr = vmalloc(size); ++ return ptr; ++} ++ ++static void __module_free(void *ptr) ++{ ++ if (is_phys_addr(ptr)) ++ kfree(ptr); ++ else ++ vfree(ptr); ++} ++ ++int module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs, ++ char *secstrings, struct module *mod) ++{ ++ unsigned int symindex = 0; ++ unsigned int core_size, init_size; ++ int i; ++ ++ for (i = 1; i < hdr->e_shnum; i++) ++ if (sechdrs[i].sh_type == SHT_SYMTAB) ++ symindex = i; ++ ++ core_size = get_plt_size(hdr, sechdrs, secstrings, symindex, false); ++ init_size = get_plt_size(hdr, sechdrs, secstrings, symindex, true); ++ ++ mod->arch.phys_plt_offset = 0; ++ mod->arch.virt_plt_offset = 0; ++ mod->arch.phys_plt_tbl = NULL; ++ mod->arch.virt_plt_tbl = NULL; ++ ++ if ((core_size + init_size) == 0) ++ return 0; ++ ++ mod->arch.phys_plt_tbl = __module_alloc(core_size + init_size, 1); ++ if (!mod->arch.phys_plt_tbl) ++ return -ENOMEM; ++ ++ mod->arch.virt_plt_tbl = __module_alloc(core_size + init_size, 0); ++ if (!mod->arch.virt_plt_tbl) { ++ __module_free(mod->arch.phys_plt_tbl); ++ mod->arch.phys_plt_tbl = NULL; ++ return -ENOMEM; ++ } ++ ++ return 0; ++} + + static int apply_r_mips_none(struct module *me, u32 *location, Elf_Addr v) + { +@@ -72,28 +277,36 @@ static int apply_r_mips_32_rela(struct m + return 0; + } + +-static int apply_r_mips_26_rel(struct module *me, u32 *location, Elf_Addr v) ++static Elf_Addr add_plt_entry_to(unsigned *plt_offset, ++ void *start, Elf_Addr v) + { +- if (v % 4) { +- pr_err("module %s: dangerous R_MIPS_26 REL relocation\n", +- me->name); +- return -ENOEXEC; +- } ++ unsigned *tramp = start + *plt_offset; ++ *plt_offset += 4 * sizeof(int); + +- if ((v & 0xf0000000) != (((unsigned long)location + 4) & 0xf0000000)) { +- printk(KERN_ERR +- "module %s: relocation overflow\n", +- me->name); +- return -ENOEXEC; +- } ++ /* adjust carry for addiu */ ++ if (v & 0x00008000) ++ v += 0x10000; + +- *location = (*location & ~0x03ffffff) | +- ((*location + (v >> 2)) & 0x03ffffff); ++ tramp[0] = 0x3c190000 | (v >> 16); /* lui t9, hi16 */ ++ tramp[1] = 0x27390000 | (v & 0xffff); /* addiu t9, t9, lo16 */ ++ tramp[2] = 0x03200008; /* jr t9 */ ++ tramp[3] = 0x00000000; /* nop */ + +- return 0; ++ return (Elf_Addr) tramp; + } + +-static int apply_r_mips_26_rela(struct module *me, u32 *location, Elf_Addr v) ++static Elf_Addr add_plt_entry(struct module *me, void *location, Elf_Addr v) ++{ ++ if (is_phys_addr(location)) ++ return add_plt_entry_to(&me->arch.phys_plt_offset, ++ me->arch.phys_plt_tbl, v); ++ else ++ return add_plt_entry_to(&me->arch.virt_plt_offset, ++ me->arch.virt_plt_tbl, v); ++ ++} ++ ++static int set_r_mips_26(struct module *me, u32 *location, u32 ofs, Elf_Addr v) + { + if (v % 4) { + pr_err("module %s: dangerous R_MIPS_26 RELArelocation\n", +@@ -102,17 +315,31 @@ static int apply_r_mips_26_rela(struct m + } + + if ((v & 0xf0000000) != (((unsigned long)location + 4) & 0xf0000000)) { +- printk(KERN_ERR ++ v = add_plt_entry(me, location, v + (ofs << 2)); ++ if (!v) { ++ printk(KERN_ERR + "module %s: relocation overflow\n", + me->name); +- return -ENOEXEC; ++ return -ENOEXEC; ++ } ++ ofs = 0; + } + +- *location = (*location & ~0x03ffffff) | ((v >> 2) & 0x03ffffff); ++ *location = (*location & ~0x03ffffff) | ((ofs + (v >> 2)) & 0x03ffffff); + + return 0; + } + ++static int apply_r_mips_26_rel(struct module *me, u32 *location, Elf_Addr v) ++{ ++ return set_r_mips_26(me, location, *location & 0x03ffffff, v); ++} ++ ++static int apply_r_mips_26_rela(struct module *me, u32 *location, Elf_Addr v) ++{ ++ return set_r_mips_26(me, location, 0, v); ++} ++ + static int apply_r_mips_hi16_rel(struct module *me, u32 *location, Elf_Addr v) + { + struct mips_hi16 *n; +@@ -380,11 +607,32 @@ int module_finalize(const Elf_Ehdr *hdr, + list_add(&me->arch.dbe_list, &dbe_list); + spin_unlock_irq(&dbe_lock); + } ++ ++ /* Get rid of the fixup trampoline if we're running the module ++ * from physically mapped address space */ ++ if (me->arch.phys_plt_offset == 0) { ++ __module_free(me->arch.phys_plt_tbl); ++ me->arch.phys_plt_tbl = NULL; ++ } ++ if (me->arch.virt_plt_offset == 0) { ++ __module_free(me->arch.virt_plt_tbl); ++ me->arch.virt_plt_tbl = NULL; ++ } ++ + return 0; + } + + void module_arch_cleanup(struct module *mod) + { ++ if (mod->arch.phys_plt_tbl) { ++ __module_free(mod->arch.phys_plt_tbl); ++ mod->arch.phys_plt_tbl = NULL; ++ } ++ if (mod->arch.virt_plt_tbl) { ++ __module_free(mod->arch.virt_plt_tbl); ++ mod->arch.virt_plt_tbl = NULL; ++ } ++ + spin_lock_irq(&dbe_lock); + list_del(&mod->arch.dbe_list); + spin_unlock_irq(&dbe_lock); diff --git a/target/linux/generic/patches-3.6/306-mips_mem_functions_performance.patch b/target/linux/generic/patches-3.6/306-mips_mem_functions_performance.patch new file mode 100644 index 0000000000..01b6eebefd --- /dev/null +++ b/target/linux/generic/patches-3.6/306-mips_mem_functions_performance.patch @@ -0,0 +1,83 @@ +--- a/arch/mips/include/asm/string.h ++++ b/arch/mips/include/asm/string.h +@@ -133,11 +133,44 @@ strncmp(__const__ char *__cs, __const__ + + #define __HAVE_ARCH_MEMSET + extern void *memset(void *__s, int __c, size_t __count); ++#define memset(__s, __c, len) \ ++({ \ ++ size_t __len = (len); \ ++ void *__ret; \ ++ if (__builtin_constant_p(len) && __len >= 64) \ ++ __ret = memset((__s), (__c), __len); \ ++ else \ ++ __ret = __builtin_memset((__s), (__c), __len); \ ++ __ret; \ ++}) + + #define __HAVE_ARCH_MEMCPY + extern void *memcpy(void *__to, __const__ void *__from, size_t __n); ++#define memcpy(dst, src, len) \ ++({ \ ++ size_t __len = (len); \ ++ void *__ret; \ ++ if (__builtin_constant_p(len) && __len >= 64) \ ++ __ret = memcpy((dst), (src), __len); \ ++ else \ ++ __ret = __builtin_memcpy((dst), (src), __len); \ ++ __ret; \ ++}) + + #define __HAVE_ARCH_MEMMOVE + extern void *memmove(void *__dest, __const__ void *__src, size_t __n); ++#define memmove(dst, src, len) \ ++({ \ ++ size_t __len = (len); \ ++ void *__ret; \ ++ if (__builtin_constant_p(len) && __len >= 64) \ ++ __ret = memmove((dst), (src), __len); \ ++ else \ ++ __ret = __builtin_memmove((dst), (src), __len); \ ++ __ret; \ ++}) ++ ++#define __HAVE_ARCH_MEMCMP ++#define memcmp(src1, src2, len) __builtin_memcmp((src1), (src2), (len)) + + #endif /* _ASM_STRING_H */ +--- a/arch/mips/lib/Makefile ++++ b/arch/mips/lib/Makefile +@@ -3,7 +3,7 @@ + # + + lib-y += csum_partial.o delay.o memcpy.o memset.o \ +- strlen_user.o strncpy_user.o strnlen_user.o uncached.o ++ strlen_user.o strncpy_user.o strnlen_user.o uncached.o memcmp.o + + obj-y += iomap.o + obj-$(CONFIG_PCI) += iomap-pci.o +--- /dev/null ++++ b/arch/mips/lib/memcmp.c +@@ -0,0 +1,22 @@ ++/* ++ * copied from linux/lib/string.c ++ * ++ * Copyright (C) 1991, 1992 Linus Torvalds ++ */ ++ ++#include <linux/module.h> ++#include <linux/string.h> ++ ++#undef memcmp ++int memcmp(const void *cs, const void *ct, size_t count) ++{ ++ const unsigned char *su1, *su2; ++ int res = 0; ++ ++ for (su1 = cs, su2 = ct; 0 < count; ++su1, ++su2, count--) ++ if ((res = *su1 - *su2) != 0) ++ break; ++ return res; ++} ++EXPORT_SYMBOL(memcmp); ++ diff --git a/target/linux/generic/patches-3.6/307-mips_oprofile_fix.patch b/target/linux/generic/patches-3.6/307-mips_oprofile_fix.patch new file mode 100644 index 0000000000..f83c96bb81 --- /dev/null +++ b/target/linux/generic/patches-3.6/307-mips_oprofile_fix.patch @@ -0,0 +1,35 @@ +--- a/arch/mips/oprofile/op_model_mipsxx.c ++++ b/arch/mips/oprofile/op_model_mipsxx.c +@@ -298,6 +298,11 @@ static void reset_counters(void *arg) + } + } + ++static irqreturn_t mipsxx_perfcount_int(int irq, void *dev_id) ++{ ++ return mipsxx_perfcount_handler(); ++} ++ + static int __init mipsxx_init(void) + { + int counters; +@@ -374,6 +379,10 @@ static int __init mipsxx_init(void) + save_perf_irq = perf_irq; + perf_irq = mipsxx_perfcount_handler; + ++ if (cp0_perfcount_irq >= 0) ++ return request_irq(cp0_perfcount_irq, mipsxx_perfcount_int, ++ IRQF_SHARED, "Perfcounter", save_perf_irq); ++ + return 0; + } + +@@ -381,6 +390,9 @@ static void mipsxx_exit(void) + { + int counters = op_model_mipsxx_ops.num_counters; + ++ if (cp0_perfcount_irq >= 0) ++ free_irq(cp0_perfcount_irq, save_perf_irq); ++ + counters = counters_per_cpu_to_total(counters); + on_each_cpu(reset_counters, (void *)(long)counters, 1); + diff --git a/target/linux/generic/patches-3.6/308-mips-show-correct-cpu-name-for-24KEc.patch b/target/linux/generic/patches-3.6/308-mips-show-correct-cpu-name-for-24KEc.patch new file mode 100644 index 0000000000..ac6304a2b5 --- /dev/null +++ b/target/linux/generic/patches-3.6/308-mips-show-correct-cpu-name-for-24KEc.patch @@ -0,0 +1,17 @@ +--- a/arch/mips/kernel/cpu-probe.c ++++ b/arch/mips/kernel/cpu-probe.c +@@ -816,10 +816,13 @@ static inline void cpu_probe_mips(struct + __cpu_name[cpu] = "MIPS 20Kc"; + break; + case PRID_IMP_24K: +- case PRID_IMP_24KE: + c->cputype = CPU_24K; + __cpu_name[cpu] = "MIPS 24Kc"; + break; ++ case PRID_IMP_24KE: ++ c->cputype = CPU_24K; ++ __cpu_name[cpu] = "MIPS 24KEc"; ++ break; + case PRID_IMP_25KF: + c->cputype = CPU_25KF; + __cpu_name[cpu] = "MIPS 25Kc"; diff --git a/target/linux/generic/patches-3.6/309-mips_fuse_workaround.patch b/target/linux/generic/patches-3.6/309-mips_fuse_workaround.patch new file mode 100644 index 0000000000..78ab64f062 --- /dev/null +++ b/target/linux/generic/patches-3.6/309-mips_fuse_workaround.patch @@ -0,0 +1,32 @@ +--- a/arch/mips/mm/cache.c ++++ b/arch/mips/mm/cache.c +@@ -39,6 +39,7 @@ void (*__flush_kernel_vmap_range)(unsign + void (*__invalidate_kernel_vmap_range)(unsigned long vaddr, int size); + + EXPORT_SYMBOL_GPL(__flush_kernel_vmap_range); ++EXPORT_SYMBOL(__flush_cache_all); + + /* MIPS specific cache operations */ + void (*flush_cache_sigtramp)(unsigned long addr); +--- a/fs/fuse/dev.c ++++ b/fs/fuse/dev.c +@@ -19,6 +19,9 @@ + #include <linux/pipe_fs_i.h> + #include <linux/swap.h> + #include <linux/splice.h> ++#ifdef CONFIG_MIPS ++#include <asm/cacheflush.h> ++#endif + + MODULE_ALIAS_MISCDEV(FUSE_MINOR); + MODULE_ALIAS("devname:fuse"); +@@ -655,6 +658,9 @@ static int fuse_copy_fill(struct fuse_co + static int fuse_copy_do(struct fuse_copy_state *cs, void **val, unsigned *size) + { + unsigned ncpy = min(*size, cs->len); ++#ifdef CONFIG_MIPS ++ __flush_cache_all(); ++#endif + if (val) { + if (cs->write) + memcpy(cs->buf, *val, ncpy); diff --git a/target/linux/generic/patches-3.6/310-arm_module_unresolved_weak_sym.patch b/target/linux/generic/patches-3.6/310-arm_module_unresolved_weak_sym.patch new file mode 100644 index 0000000000..d1eba55038 --- /dev/null +++ b/target/linux/generic/patches-3.6/310-arm_module_unresolved_weak_sym.patch @@ -0,0 +1,13 @@ +--- a/arch/arm/kernel/module.c ++++ b/arch/arm/kernel/module.c +@@ -81,6 +81,10 @@ apply_relocate(Elf32_Shdr *sechdrs, cons + return -ENOEXEC; + } + ++ if ((IS_ERR_VALUE(sym->st_value) || !sym->st_value) && ++ ELF_ST_BIND(sym->st_info) == STB_WEAK) ++ continue; ++ + loc = dstsec->sh_addr + rel->r_offset; + + switch (ELF32_R_TYPE(rel->r_info)) { diff --git a/target/linux/generic/patches-3.6/320-ppc4xx_optimization.patch b/target/linux/generic/patches-3.6/320-ppc4xx_optimization.patch new file mode 100644 index 0000000000..3f67f1b6cb --- /dev/null +++ b/target/linux/generic/patches-3.6/320-ppc4xx_optimization.patch @@ -0,0 +1,31 @@ +Upstream doesn't optimize the kernel and bootwrappers for ppc44x because +they still want to support gcc 3.3 -- well, we don't. + +--- a/arch/powerpc/Makefile ++++ b/arch/powerpc/Makefile +@@ -130,7 +130,8 @@ ifeq ($(CONFIG_FUNCTION_TRACER),y) + KBUILD_CFLAGS += -mno-sched-epilog + endif + +-cpu-as-$(CONFIG_4xx) += -Wa,-m405 ++cpu-as-$(CONFIG_40x) += -Wa,-m405 ++cpu-as-$(CONFIG_44x) += -Wa,-m440 + cpu-as-$(CONFIG_ALTIVEC) += -Wa,-maltivec + cpu-as-$(CONFIG_E500) += -Wa,-me500 + cpu-as-$(CONFIG_E200) += -Wa,-me200 +--- a/arch/powerpc/boot/Makefile ++++ b/arch/powerpc/boot/Makefile +@@ -38,10 +38,10 @@ BOOTCFLAGS += -I$(obj) -I$(srctree)/$(ob + DTC_FLAGS ?= -p 1024 + + $(obj)/4xx.o: BOOTCFLAGS += -mcpu=405 +-$(obj)/ebony.o: BOOTCFLAGS += -mcpu=405 ++$(obj)/ebony.o: BOOTCFLAGS += -mcpu=440 + $(obj)/cuboot-hotfoot.o: BOOTCFLAGS += -mcpu=405 +-$(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=405 +-$(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=405 ++$(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=440 ++$(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=440 + $(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405 + $(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405 + $(obj)/treeboot-iss4xx.o: BOOTCFLAGS += -mcpu=405 diff --git a/target/linux/generic/patches-3.6/321-powerpc_crtsavres_prereq.patch b/target/linux/generic/patches-3.6/321-powerpc_crtsavres_prereq.patch new file mode 100644 index 0000000000..941aa909de --- /dev/null +++ b/target/linux/generic/patches-3.6/321-powerpc_crtsavres_prereq.patch @@ -0,0 +1,10 @@ +--- a/arch/powerpc/Makefile ++++ b/arch/powerpc/Makefile +@@ -94,7 +94,6 @@ else + endif + endif + +-KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o + + ifeq ($(CONFIG_TUNE_CELL),y) + KBUILD_CFLAGS += $(call cc-option,-mtune=cell) diff --git a/target/linux/generic/patches-3.6/322-ppc4xx-crypto-compile-fix.patch b/target/linux/generic/patches-3.6/322-ppc4xx-crypto-compile-fix.patch new file mode 100644 index 0000000000..226e41154c --- /dev/null +++ b/target/linux/generic/patches-3.6/322-ppc4xx-crypto-compile-fix.patch @@ -0,0 +1,10 @@ +--- a/drivers/crypto/amcc/crypto4xx_core.c ++++ b/drivers/crypto/amcc/crypto4xx_core.c +@@ -19,6 +19,7 @@ + */ + + #include <linux/kernel.h> ++#include <linux/module.h> + #include <linux/interrupt.h> + #include <linux/spinlock_types.h> + #include <linux/random.h> diff --git a/target/linux/generic/patches-3.6/330-mips-add-crash-and-kdump-support.patch b/target/linux/generic/patches-3.6/330-mips-add-crash-and-kdump-support.patch new file mode 100644 index 0000000000..7a79c4144c --- /dev/null +++ b/target/linux/generic/patches-3.6/330-mips-add-crash-and-kdump-support.patch @@ -0,0 +1,616 @@ +From eee16330c9de9adf7880cce9f1d32e13f89706bb Mon Sep 17 00:00:00 2001 +From: Wu Zhangjin <wuzhangjin@gmail.com> +Date: Tue, 11 Jan 2011 13:16:47 +0000 +Subject: MIPS: Add crash and kdump support + +From: http://patchwork.linux-mips.org/patch/1025/ + +Hello folks, + +Please find here MIPS crash and kdump patches. +This is patch set of 3 patches: +1. generic MIPS changes (kernel); +2. MIPS Cavium Octeon board kexec/kdump code (kernel); +3. Kexec user space MIPS changes. + +Patches were tested on the latest linux-mips@ git kernel and the latest +kexec-tools git on Cavium Octeon 50xx board. + +I also made the same code working on RMI XLR/XLS boards for both +mips32 and mips64 kernels. + +Best regards, +Maxim Uvarov. + +------ +[ Zhangjin: Several trivial building failure has been fixed. + +Note: the 2nd patch can not be cleanly applied, but may be a good +reference for the other board development: + + + MIPS Cavium Octeon board kexec,kdump support + http://patchwork.linux-mips.org/patch/1026/ + +And the 3rd patch has already been merged into the mainline kexec-tools: + + + some kexec MIPS improvements + http://patchwork.linux-mips.org/patch/1027/ + +kexec-tools is available here: + + + http://horms.net/projects/kexec/ + git://git.kernel.org/pub/scm/utils/kernel/kexec/kexec-tools.git +] +Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> +--- +(limited to 'arch/mips/kernel') + +--- a/arch/mips/kernel/Makefile ++++ b/arch/mips/kernel/Makefile +@@ -97,7 +97,8 @@ obj-$(CONFIG_I8253) += i8253.o + + obj-$(CONFIG_GPIO_TXX9) += gpio_txx9.o + +-obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o ++obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o crash.o ++obj-$(CONFIG_CRASH_DUMP) += crash_dump.o + obj-$(CONFIG_EARLY_PRINTK) += early_printk.o + obj-$(CONFIG_SPINLOCK_TEST) += spinlock_test.o + obj-$(CONFIG_MIPS_MACHINE) += mips_machine.o +--- /dev/null ++++ b/arch/mips/kernel/crash.c +@@ -0,0 +1,75 @@ ++#include <linux/kernel.h> ++#include <linux/smp.h> ++#include <linux/reboot.h> ++#include <linux/kexec.h> ++#include <linux/bootmem.h> ++#include <linux/crash_dump.h> ++#include <linux/delay.h> ++#include <linux/init.h> ++#include <linux/irq.h> ++#include <linux/types.h> ++#include <linux/sched.h> ++ ++#ifdef CONFIG_CRASH_DUMP ++unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX; ++#endif ++ ++/* This keeps a track of which one is crashing cpu. */ ++int crashing_cpu = -1; ++static cpumask_t cpus_in_crash = CPU_MASK_NONE; ++ ++#ifdef CONFIG_SMP ++void crash_shutdown_secondary(void *ignore) ++{ ++ struct pt_regs *regs; ++ int cpu = smp_processor_id(); ++ ++ regs = task_pt_regs(current); ++ ++ if (!cpu_online(cpu)) ++ return; ++ ++ local_irq_disable(); ++ if (!cpu_isset(cpu, cpus_in_crash)) ++ crash_save_cpu(regs, cpu); ++ cpu_set(cpu, cpus_in_crash); ++ ++ while (!atomic_read(&kexec_ready_to_reboot)) ++ cpu_relax(); ++ relocated_kexec_smp_wait(NULL); ++ /* NOTREACHED */ ++} ++ ++static void crash_kexec_prepare_cpus(void) ++{ ++ unsigned int msecs; ++ ++ unsigned int ncpus = num_online_cpus() - 1;/* Excluding the panic cpu */ ++ ++ dump_send_ipi(crash_shutdown_secondary); ++ smp_wmb(); ++ ++ /* ++ * The crash CPU sends an IPI and wait for other CPUs to ++ * respond. Delay of at least 10 seconds. ++ */ ++ printk(KERN_EMERG "Sending IPI to other cpus...\n"); ++ msecs = 10000; ++ while ((cpus_weight(cpus_in_crash) < ncpus) && (--msecs > 0)) { ++ cpu_relax(); ++ mdelay(1); ++ } ++} ++ ++#else ++static void crash_kexec_prepare_cpus(void) {} ++#endif ++ ++void default_machine_crash_shutdown(struct pt_regs *regs) ++{ ++ local_irq_disable(); ++ crashing_cpu = smp_processor_id(); ++ crash_save_cpu(regs, crashing_cpu); ++ crash_kexec_prepare_cpus(); ++ cpu_set(crashing_cpu, cpus_in_crash); ++} +--- /dev/null ++++ b/arch/mips/kernel/crash_dump.c +@@ -0,0 +1,86 @@ ++#include <linux/highmem.h> ++#include <linux/bootmem.h> ++#include <linux/crash_dump.h> ++#include <asm/uaccess.h> ++ ++#ifdef CONFIG_PROC_VMCORE ++static int __init parse_elfcorehdr(char *p) ++{ ++ if (p) ++ elfcorehdr_addr = memparse(p, &p); ++ return 1; ++} ++__setup("elfcorehdr=", parse_elfcorehdr); ++#endif ++ ++static int __init parse_savemaxmem(char *p) ++{ ++ if (p) ++ saved_max_pfn = (memparse(p, &p) >> PAGE_SHIFT) - 1; ++ ++ return 1; ++} ++__setup("savemaxmem=", parse_savemaxmem); ++ ++ ++static void *kdump_buf_page; ++ ++/** ++ * copy_oldmem_page - copy one page from "oldmem" ++ * @pfn: page frame number to be copied ++ * @buf: target memory address for the copy; this can be in kernel address ++ * space or user address space (see @userbuf) ++ * @csize: number of bytes to copy ++ * @offset: offset in bytes into the page (based on pfn) to begin the copy ++ * @userbuf: if set, @buf is in user address space, use copy_to_user(), ++ * otherwise @buf is in kernel address space, use memcpy(). ++ * ++ * Copy a page from "oldmem". For this page, there is no pte mapped ++ * in the current kernel. ++ * ++ * Calling copy_to_user() in atomic context is not desirable. Hence first ++ * copying the data to a pre-allocated kernel page and then copying to user ++ * space in non-atomic context. ++ */ ++ssize_t copy_oldmem_page(unsigned long pfn, char *buf, ++ size_t csize, unsigned long offset, int userbuf) ++{ ++ void *vaddr; ++ ++ if (!csize) ++ return 0; ++ ++ vaddr = kmap_atomic_pfn(pfn, KM_PTE0); ++ ++ if (!userbuf) { ++ memcpy(buf, (vaddr + offset), csize); ++ kunmap_atomic(vaddr, KM_PTE0); ++ } else { ++ if (!kdump_buf_page) { ++ printk(KERN_WARNING "Kdump: Kdump buffer page not" ++ " allocated\n"); ++ return -EFAULT; ++ } ++ copy_page(kdump_buf_page, vaddr); ++ kunmap_atomic(vaddr, KM_PTE0); ++ if (copy_to_user(buf, (kdump_buf_page + offset), csize)) ++ return -EFAULT; ++ } ++ ++ return csize; ++} ++ ++static int __init kdump_buf_page_init(void) ++{ ++ int ret = 0; ++ ++ kdump_buf_page = kmalloc(PAGE_SIZE, GFP_KERNEL); ++ if (!kdump_buf_page) { ++ printk(KERN_WARNING "Kdump: Failed to allocate kdump buffer" ++ " page\n"); ++ ret = -ENOMEM; ++ } ++ ++ return ret; ++} ++arch_initcall(kdump_buf_page_init); +--- a/arch/mips/kernel/machine_kexec.c ++++ b/arch/mips/kernel/machine_kexec.c +@@ -19,9 +19,19 @@ extern const size_t relocate_new_kernel_ + extern unsigned long kexec_start_address; + extern unsigned long kexec_indirection_page; + ++int (*_machine_kexec_prepare)(struct kimage *) = NULL; ++void (*_machine_kexec_shutdown)(void) = NULL; ++void (*_machine_crash_shutdown)(struct pt_regs *regs) = NULL; ++#ifdef CONFIG_SMP ++void (*relocated_kexec_smp_wait) (void *); ++atomic_t kexec_ready_to_reboot = ATOMIC_INIT(0); ++#endif ++ + int + machine_kexec_prepare(struct kimage *kimage) + { ++ if (_machine_kexec_prepare) ++ return _machine_kexec_prepare(kimage); + return 0; + } + +@@ -33,11 +43,17 @@ machine_kexec_cleanup(struct kimage *kim + void + machine_shutdown(void) + { ++ if (_machine_kexec_shutdown) ++ _machine_kexec_shutdown(); + } + + void + machine_crash_shutdown(struct pt_regs *regs) + { ++ if (_machine_crash_shutdown) ++ _machine_crash_shutdown(regs); ++ else ++ default_machine_crash_shutdown(regs); + } + + typedef void (*noretfun_t)(void) __attribute__((noreturn)); +@@ -52,7 +68,9 @@ machine_kexec(struct kimage *image) + reboot_code_buffer = + (unsigned long)page_address(image->control_code_page); + +- kexec_start_address = (unsigned long) phys_to_virt(image->start); ++ kexec_start_address = ++ (unsigned long) phys_to_virt(image->start); ++ + kexec_indirection_page = + (unsigned long) phys_to_virt(image->head & PAGE_MASK); + +@@ -63,7 +81,7 @@ machine_kexec(struct kimage *image) + * The generic kexec code builds a page list with physical + * addresses. they are directly accessible through KSEG0 (or + * CKSEG0 or XPHYS if on 64bit system), hence the +- * pys_to_virt() call. ++ * phys_to_virt() call. + */ + for (ptr = &image->head; (entry = *ptr) && !(entry &IND_DONE); + ptr = (entry & IND_INDIRECTION) ? +@@ -81,5 +99,13 @@ machine_kexec(struct kimage *image) + printk("Will call new kernel at %08lx\n", image->start); + printk("Bye ...\n"); + __flush_cache_all(); ++#ifdef CONFIG_SMP ++ /* All secondary cpus now may jump to kexec_wait cycle */ ++ relocated_kexec_smp_wait = reboot_code_buffer + ++ (void *)(kexec_smp_wait - relocate_new_kernel); ++ smp_wmb(); ++ atomic_set(&kexec_ready_to_reboot, 1); ++#endif + ((noretfun_t) reboot_code_buffer)(); + } ++ +--- a/arch/mips/kernel/relocate_kernel.S ++++ b/arch/mips/kernel/relocate_kernel.S +@@ -15,6 +15,11 @@ + #include <asm/addrspace.h> + + LEAF(relocate_new_kernel) ++ PTR_L a0, arg0 ++ PTR_L a1, arg1 ++ PTR_L a2, arg2 ++ PTR_L a3, arg3 ++ + PTR_L s0, kexec_indirection_page + PTR_L s1, kexec_start_address + +@@ -26,7 +31,6 @@ process_entry: + and s3, s2, 0x1 + beq s3, zero, 1f + and s4, s2, ~0x1 /* store destination addr in s4 */ +- move a0, s4 + b process_entry + + 1: +@@ -60,23 +64,100 @@ copy_word: + b process_entry + + done: ++#ifdef CONFIG_SMP ++ /* kexec_flag reset is signal to other CPUs what kernel ++ was moved to it's location. Note - we need relocated address ++ of kexec_flag. */ ++ ++ bal 1f ++ 1: move t1,ra; ++ PTR_LA t2,1b ++ PTR_LA t0,kexec_flag ++ PTR_SUB t0,t0,t2; ++ PTR_ADD t0,t1,t0; ++ LONG_S zero,(t0) ++#endif ++ ++ sync + /* jump to kexec_start_address */ + j s1 + END(relocate_new_kernel) + +-kexec_start_address: +- EXPORT(kexec_start_address) ++#ifdef CONFIG_SMP ++/* ++ * Other CPUs should wait until code is relocated and ++ * then start at entry (?) point. ++ */ ++LEAF(kexec_smp_wait) ++ PTR_L a0, s_arg0 ++ PTR_L a1, s_arg1 ++ PTR_L a2, s_arg2 ++ PTR_L a3, s_arg3 ++ PTR_L s1, kexec_start_address ++ ++ /* Non-relocated address works for args and kexec_start_address ( old ++ * kernel is not overwritten). But we need relocated address of ++ * kexec_flag. ++ */ ++ ++ bal 1f ++1: move t1,ra; ++ PTR_LA t2,1b ++ PTR_LA t0,kexec_flag ++ PTR_SUB t0,t0,t2; ++ PTR_ADD t0,t1,t0; ++ ++1: LONG_L s0, (t0) ++ bne s0, zero,1b ++ ++ sync ++ j s1 ++ END(kexec_smp_wait) ++#endif ++ ++#ifdef __mips64 ++ /* all PTR's must be aligned to 8 byte in 64-bit mode */ ++ .align 3 ++#endif ++ ++/* All parameters to new kernel are passed in registers a0-a3. ++ * kexec_args[0..3] are uses to prepare register values. ++ */ ++ ++EXPORT(kexec_args) ++arg0: PTR 0x0 ++arg1: PTR 0x0 ++arg2: PTR 0x0 ++arg3: PTR 0x0 ++ .size kexec_args,PTRSIZE*4 ++ ++#ifdef CONFIG_SMP ++/* ++ * Secondary CPUs may have different kernel parameters in ++ * their registers a0-a3. secondary_kexec_args[0..3] are used ++ * to prepare register values. ++ */ ++EXPORT(secondary_kexec_args) ++s_arg0: PTR 0x0 ++s_arg1: PTR 0x0 ++s_arg2: PTR 0x0 ++s_arg3: PTR 0x0 ++ .size secondary_kexec_args,PTRSIZE*4 ++kexec_flag: ++ LONG 0x1 ++ ++#endif ++ ++EXPORT(kexec_start_address) + PTR 0x0 + .size kexec_start_address, PTRSIZE + +-kexec_indirection_page: +- EXPORT(kexec_indirection_page) ++EXPORT(kexec_indirection_page) + PTR 0 + .size kexec_indirection_page, PTRSIZE + + relocate_new_kernel_end: + +-relocate_new_kernel_size: +- EXPORT(relocate_new_kernel_size) ++EXPORT(relocate_new_kernel_size) + PTR relocate_new_kernel_end - relocate_new_kernel + .size relocate_new_kernel_size, PTRSIZE +--- a/arch/mips/kernel/setup.c ++++ b/arch/mips/kernel/setup.c +@@ -22,6 +22,7 @@ + #include <linux/console.h> + #include <linux/pfn.h> + #include <linux/debugfs.h> ++#include <linux/kexec.h> + + #include <asm/addrspace.h> + #include <asm/bootinfo.h> +@@ -523,12 +524,62 @@ static void __init arch_mem_init(char ** + } + + bootmem_init(); ++#ifdef CONFIG_KEXEC ++ if (crashk_res.start != crashk_res.end) ++ reserve_bootmem(crashk_res.start, ++ crashk_res.end - crashk_res.start + 1, ++ BOOTMEM_DEFAULT); ++#endif + device_tree_init(); + sparse_init(); + plat_swiotlb_setup(); + paging_init(); + } + ++#ifdef CONFIG_KEXEC ++static inline unsigned long long get_total_mem(void) ++{ ++ unsigned long long total; ++ total = max_pfn - min_low_pfn; ++ return total << PAGE_SHIFT; ++} ++ ++static void __init mips_parse_crashkernel(void) ++{ ++ unsigned long long total_mem; ++ unsigned long long crash_size, crash_base; ++ int ret; ++ ++ total_mem = get_total_mem(); ++ ret = parse_crashkernel(boot_command_line, total_mem, ++ &crash_size, &crash_base); ++ if (ret != 0 || crash_size <= 0) ++ return; ++ ++ crashk_res.start = crash_base; ++ crashk_res.end = crash_base + crash_size - 1; ++} ++static void __init request_crashkernel(struct resource *res) ++{ ++ int ret; ++ ++ ret = request_resource(res, &crashk_res); ++ if (!ret) ++ printk(KERN_INFO "Reserving %ldMB of memory at %ldMB " ++ "for crashkernel\n", ++ (unsigned long)((crashk_res.end - ++ crashk_res.start + 1) >> 20), ++ (unsigned long)(crashk_res.start >> 20)); ++} ++#else ++static void __init mips_parse_crashkernel(void) ++{ ++} ++static void __init request_crashkernel(struct resource *res) ++{ ++} ++#endif ++ + static void __init resource_init(void) + { + int i; +@@ -544,6 +595,8 @@ static void __init resource_init(void) + /* + * Request address space for all standard RAM. + */ ++ mips_parse_crashkernel(); ++ + for (i = 0; i < boot_mem_map.nr_map; i++) { + struct resource *res; + unsigned long start, end; +@@ -580,6 +633,7 @@ static void __init resource_init(void) + */ + request_resource(res, &code_resource); + request_resource(res, &data_resource); ++ request_crashkernel(res); + } + } + +--- a/arch/mips/kernel/smp.c ++++ b/arch/mips/kernel/smp.c +@@ -433,3 +433,21 @@ void flush_tlb_one(unsigned long vaddr) + + EXPORT_SYMBOL(flush_tlb_page); + EXPORT_SYMBOL(flush_tlb_one); ++ ++#if defined(CONFIG_KEXEC) ++void (*dump_ipi_function_ptr)(void *) = NULL; ++void dump_send_ipi(void (*dump_ipi_callback)(void *)) ++{ ++ int i; ++ int cpu = smp_processor_id(); ++ ++ dump_ipi_function_ptr = dump_ipi_callback; ++ smp_mb(); ++ for_each_online_cpu(i) ++ if (i != cpu) ++ core_send_ipi(i, SMP_DUMP); ++ ++} ++EXPORT_SYMBOL(dump_send_ipi); ++#endif ++ +--- a/arch/mips/include/asm/kexec.h ++++ b/arch/mips/include/asm/kexec.h +@@ -9,22 +9,45 @@ + #ifndef _MIPS_KEXEC + # define _MIPS_KEXEC + ++#include <asm/stacktrace.h> ++ ++extern unsigned long long elfcorehdr_addr; ++ + /* Maximum physical address we can use pages from */ + #define KEXEC_SOURCE_MEMORY_LIMIT (0x20000000) + /* Maximum address we can reach in physical address mode */ + #define KEXEC_DESTINATION_MEMORY_LIMIT (0x20000000) + /* Maximum address we can use for the control code buffer */ + #define KEXEC_CONTROL_MEMORY_LIMIT (0x20000000) +- +-#define KEXEC_CONTROL_PAGE_SIZE 4096 ++/* Reserve 3*4096 bytes for board-specific info */ ++#define KEXEC_CONTROL_PAGE_SIZE (4096 + 3*4096) + + /* The native architecture */ + #define KEXEC_ARCH KEXEC_ARCH_MIPS ++#define MAX_NOTE_BYTES 1024 + + static inline void crash_setup_regs(struct pt_regs *newregs, +- struct pt_regs *oldregs) ++ struct pt_regs *oldregs) + { +- /* Dummy implementation for now */ ++ if (oldregs) ++ memcpy(newregs, oldregs, sizeof(*newregs)); ++ else ++ prepare_frametrace(newregs); + } + ++#ifdef CONFIG_KEXEC ++struct kimage; ++extern unsigned long kexec_args[4]; ++extern int (*_machine_kexec_prepare)(struct kimage *); ++extern void (*_machine_kexec_shutdown)(void); ++extern void (*_machine_crash_shutdown)(struct pt_regs *regs); ++extern void default_machine_crash_shutdown(struct pt_regs *regs); ++#ifdef CONFIG_SMP ++extern const unsigned char kexec_smp_wait[]; ++extern unsigned long secondary_kexec_args[4]; ++extern void (*relocated_kexec_smp_wait) (void *); ++extern atomic_t kexec_ready_to_reboot; ++#endif ++#endif ++ + #endif /* !_MIPS_KEXEC */ +--- a/arch/mips/include/asm/smp.h ++++ b/arch/mips/include/asm/smp.h +@@ -40,6 +40,8 @@ extern int __cpu_logical_map[NR_CPUS]; + #define SMP_CALL_FUNCTION 0x2 + /* Octeon - Tell another core to flush its icache */ + #define SMP_ICACHE_FLUSH 0x4 ++/* Used by kexec crashdump to save all cpu's state */ ++#define SMP_DUMP 0x8 + + extern volatile cpumask_t cpu_callin_map; + +@@ -91,4 +93,9 @@ static inline void arch_send_call_functi + mp_ops->send_ipi_mask(mask, SMP_CALL_FUNCTION); + } + ++extern void core_send_ipi(int cpu, unsigned int action); ++#if defined(CONFIG_KEXEC) ++extern void (*dump_ipi_function_ptr)(void *); ++void dump_send_ipi(void (*dump_ipi_callback)(void *)); ++#endif + #endif /* __ASM_SMP_H */ diff --git a/target/linux/generic/patches-3.6/331-mips-kexec-enhanche-the-support.patch b/target/linux/generic/patches-3.6/331-mips-kexec-enhanche-the-support.patch new file mode 100644 index 0000000000..5ffc2e29bd --- /dev/null +++ b/target/linux/generic/patches-3.6/331-mips-kexec-enhanche-the-support.patch @@ -0,0 +1,159 @@ +From 03cd81fbca6b91317ec1a7b3b3c09fb8d08f83a6 Mon Sep 17 00:00:00 2001 +From: Wu Zhangjin <wuzhangjin@gmail.com> +Date: Tue, 11 Jan 2011 18:42:08 +0000 +Subject: MIPS: Kexec: Enhance the support + +Changes: + o Print more information in machine_kexec() for debugging + E.g. with this information, the kexec_start_address has been found + it was wrong with 64bit kernel / o32 kexec-tools. Which must be + fixed later. + o Link relocate_kernel.S to a section for future extension + This allows more functions can be added for the kexec relocation + part even written in C. to add code into that section, you just need + to mark your function or data with __kexec or + __attribute__((__section__(".__kexec.relocate"))) + +TODO: + +1. Make 64bit kernel / o32|n32|64 kexec-tools works + +Fix the user-space kexec-tools, seems the tool only work for 32bit +machine. So, we need to add 64bit support for it. The address of the +entry point(kexec_start_address) is wrong and make the "kexec -e" fail. +the real entry point must be read from the new kernel image by the +user-space kexec-tools, otherwise, it will not work. The above 64bit +support tested is 64bit kernel with o32 user-space kexec-tools. The root +cause may be the different definition of virt_to_phys() and +phys_to_virt() in the kexec-tools and kernel space for 64bit system / +o32 kernel. + +Ref: http://www.linux-mips.org/archives/linux-mips/2009-08/msg00149.html + +2. Pass the arguments from kexec-tools to the new kernel image + +Please refer to: "MIPS: Loongson: Kexec: Pass parameters to new kernel" + +Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> +--- +--- a/arch/mips/include/asm/kexec.h ++++ b/arch/mips/include/asm/kexec.h +@@ -36,6 +36,16 @@ static inline void crash_setup_regs(stru + } + + #ifdef CONFIG_KEXEC ++ ++#define __kexec __attribute__((__section__(".__kexec.relocate"))) ++ ++/* The linker tells us where the relocate_new_kernel part is. */ ++extern const unsigned char __start___kexec_relocate; ++extern const unsigned char __end___kexec_relocate; ++ ++extern unsigned long kexec_start_address; ++extern unsigned long kexec_indirection_page; ++ + struct kimage; + extern unsigned long kexec_args[4]; + extern int (*_machine_kexec_prepare)(struct kimage *); +--- a/arch/mips/kernel/machine_kexec.c ++++ b/arch/mips/kernel/machine_kexec.c +@@ -13,12 +13,6 @@ + #include <asm/cacheflush.h> + #include <asm/page.h> + +-extern const unsigned char relocate_new_kernel[]; +-extern const size_t relocate_new_kernel_size; +- +-extern unsigned long kexec_start_address; +-extern unsigned long kexec_indirection_page; +- + int (*_machine_kexec_prepare)(struct kimage *) = NULL; + void (*_machine_kexec_shutdown)(void) = NULL; + void (*_machine_crash_shutdown)(struct pt_regs *regs) = NULL; +@@ -61,21 +55,34 @@ typedef void (*noretfun_t)(void) __attri + void + machine_kexec(struct kimage *image) + { ++ unsigned long kexec_relocate_size; + unsigned long reboot_code_buffer; + unsigned long entry; + unsigned long *ptr; + ++ kexec_relocate_size = (unsigned long)(&__end___kexec_relocate) - ++ (unsigned long)(&__start___kexec_relocate); ++ pr_info("kexec_relocate_size = %lu\n", kexec_relocate_size); ++ + reboot_code_buffer = + (unsigned long)page_address(image->control_code_page); ++ pr_info("reboot_code_buffer = %p\n", (void *)reboot_code_buffer); + + kexec_start_address = + (unsigned long) phys_to_virt(image->start); ++ pr_info("kexec_start_address(entry point of new kernel) = %p\n", ++ (void *)kexec_start_address); + + kexec_indirection_page = + (unsigned long) phys_to_virt(image->head & PAGE_MASK); ++ pr_info("kexec_indirection_page = %p\n", ++ (void *)kexec_indirection_page); + +- memcpy((void*)reboot_code_buffer, relocate_new_kernel, +- relocate_new_kernel_size); ++ memcpy((void *)reboot_code_buffer, &__start___kexec_relocate, ++ kexec_relocate_size); ++ ++ pr_info("Copy kexec_relocate section from %p to reboot_code_buffer: %p\n", ++ &__start___kexec_relocate, (void *)reboot_code_buffer); + + /* + * The generic kexec code builds a page list with physical +@@ -96,8 +103,8 @@ machine_kexec(struct kimage *image) + */ + local_irq_disable(); + +- printk("Will call new kernel at %08lx\n", image->start); +- printk("Bye ...\n"); ++ pr_info("Will call new kernel at %p\n", (void *)kexec_start_address); ++ pr_info("Bye ...\n"); + __flush_cache_all(); + #ifdef CONFIG_SMP + /* All secondary cpus now may jump to kexec_wait cycle */ +@@ -108,4 +115,3 @@ machine_kexec(struct kimage *image) + #endif + ((noretfun_t) reboot_code_buffer)(); + } +- +--- a/arch/mips/kernel/relocate_kernel.S ++++ b/arch/mips/kernel/relocate_kernel.S +@@ -14,6 +14,8 @@ + #include <asm/stackframe.h> + #include <asm/addrspace.h> + ++ .section .kexec.relocate, "ax" ++ + LEAF(relocate_new_kernel) + PTR_L a0, arg0 + PTR_L a1, arg1 +@@ -155,9 +157,3 @@ EXPORT(kexec_start_address) + EXPORT(kexec_indirection_page) + PTR 0 + .size kexec_indirection_page, PTRSIZE +- +-relocate_new_kernel_end: +- +-EXPORT(relocate_new_kernel_size) +- PTR relocate_new_kernel_end - relocate_new_kernel +- .size relocate_new_kernel_size, PTRSIZE +--- a/arch/mips/kernel/vmlinux.lds.S ++++ b/arch/mips/kernel/vmlinux.lds.S +@@ -50,6 +50,10 @@ SECTIONS + *(.text.*) + *(.fixup) + *(.gnu.warning) ++ __start___kexec_relocate = .; ++ KEEP(*(.kexec.relocate)) ++ KEEP(*(.__kexec.relocate)) ++ __end___kexec_relocate = .; + } :text = 0 + _etext = .; /* End of text section */ + diff --git a/target/linux/generic/patches-3.6/332-mips-kexec-init-the-arguments-for-the-new-kernel-image.patch b/target/linux/generic/patches-3.6/332-mips-kexec-init-the-arguments-for-the-new-kernel-image.patch new file mode 100644 index 0000000000..5507dde64d --- /dev/null +++ b/target/linux/generic/patches-3.6/332-mips-kexec-init-the-arguments-for-the-new-kernel-image.patch @@ -0,0 +1,52 @@ +From 49d07a29653b1f2c6ae273b3d8fe93d981f43004 Mon Sep 17 00:00:00 2001 +From: Wu Zhangjin <wuzhangjin@gmail.com> +Date: Wed, 12 Jan 2011 20:59:32 +0000 +Subject: MIPS: Kexec: Init the arguments for the new kernel image + +Whenever the kexec-tools pass the command lines to the new kernel image, +init the arguments as the ones for the 1st kernel image. This fixed the +booting failure of Kexec on YeeLoong. + +Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> +--- +--- a/arch/mips/kernel/machine_kexec.c ++++ b/arch/mips/kernel/machine_kexec.c +@@ -10,6 +10,7 @@ + #include <linux/mm.h> + #include <linux/delay.h> + ++#include <asm/bootinfo.h> + #include <asm/cacheflush.h> + #include <asm/page.h> + +@@ -21,9 +22,30 @@ void (*relocated_kexec_smp_wait) (void * + atomic_t kexec_ready_to_reboot = ATOMIC_INIT(0); + #endif + ++static void machine_kexec_init_args(void) ++{ ++ kexec_args[0] = fw_arg0; ++ kexec_args[1] = fw_arg1; ++ kexec_args[2] = fw_arg2; ++ kexec_args[3] = fw_arg3; ++ ++ pr_info("kexec_args[0] (argc): %lu\n", kexec_args[0]); ++ pr_info("kexec_args[1] (argv): %p\n", (void *)kexec_args[1]); ++ pr_info("kexec_args[2] (env ): %p\n", (void *)kexec_args[2]); ++ pr_info("kexec_args[3] (desc): %p\n", (void *)kexec_args[3]); ++} ++ + int + machine_kexec_prepare(struct kimage *kimage) + { ++ /* ++ * Whenever arguments passed from kexec-tools, Init the arguments as ++ * the original ones to avoid booting failure. ++ * ++ * This can be overrided by _machine_kexec_prepare(). ++ */ ++ machine_kexec_init_args(); ++ + if (_machine_kexec_prepare) + return _machine_kexec_prepare(kimage); + return 0; diff --git a/target/linux/generic/patches-3.6/333-mips-kexec-get-kernel-parameters-from-kexec-tools.patch b/target/linux/generic/patches-3.6/333-mips-kexec-get-kernel-parameters-from-kexec-tools.patch new file mode 100644 index 0000000000..9da936314c --- /dev/null +++ b/target/linux/generic/patches-3.6/333-mips-kexec-get-kernel-parameters-from-kexec-tools.patch @@ -0,0 +1,88 @@ +From 240c76841b26f1b09aaced33414ee1d08b6454cf Mon Sep 17 00:00:00 2001 +From: Wu Zhangjin <wuzhangjin@gmail.com> +Date: Sat, 15 Jan 2011 12:46:03 +0000 +Subject: MIPS: Get kernel parameters from kexec-tools + +Before, we simply use the command lines from the original bootloader, +but it is not convenient. Now, we accept the kernel parameters from the +--command-line or --append option of the kexec-tools. But If not +--command-line or --apend option indicated, will fall back to use the +ones from the original bootloader. + +Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> +--- +--- a/arch/mips/kernel/machine_kexec.c ++++ b/arch/mips/kernel/machine_kexec.c +@@ -13,6 +13,7 @@ + #include <asm/bootinfo.h> + #include <asm/cacheflush.h> + #include <asm/page.h> ++#include <asm/uaccess.h> + + int (*_machine_kexec_prepare)(struct kimage *) = NULL; + void (*_machine_kexec_shutdown)(void) = NULL; +@@ -35,6 +36,56 @@ static void machine_kexec_init_args(void + pr_info("kexec_args[3] (desc): %p\n", (void *)kexec_args[3]); + } + ++#define ARGV_MAX_ARGS (COMMAND_LINE_SIZE / 15) ++ ++int machine_kexec_pass_args(struct kimage *image) ++{ ++ int i, argc = 0; ++ char *bootloader = "kexec"; ++ int *kexec_argv = (int *)kexec_args[1]; ++ ++ for (i = 0; i < image->nr_segments; i++) { ++ if (!strncmp(bootloader, (char *)image->segment[i].buf, ++ strlen(bootloader))) { ++ /* ++ * convert command line string to array ++ * of parameters (as bootloader does). ++ */ ++ /* ++ * Note: we do treat the 1st string "kexec" as an ++ * argument ;-) so, argc here is 1. ++ */ ++ char *str = (char *)image->segment[i].buf; ++ char *ptr = strchr(str, ' '); ++ char *kbuf = (char *)kexec_argv[0]; ++ /* Whenever --command-line or --append used, "kexec" is copied */ ++ argc = 1; ++ /* Parse the offset */ ++ while (ptr && (ARGV_MAX_ARGS > argc)) { ++ *ptr = '\0'; ++ if (ptr[1] != ' ' && ptr[1] != '\0') { ++ int offt = (int)(ptr - str + 1); ++ kexec_argv[argc] = (int)kbuf + offt; ++ argc++; ++ } ++ ptr = strchr(ptr + 1, ' '); ++ } ++ if (argc > 1) { ++ /* Copy to kernel space */ ++ copy_from_user(kbuf, (char *)image->segment[i].buf, image->segment[i].bufsz); ++ fw_arg0 = kexec_args[0] = argc; ++ } ++ break; ++ } ++ } ++ ++ pr_info("argc = %lu\n", kexec_args[0]); ++ for (i = 0; i < kexec_args[0]; i++) ++ pr_info("argv[%d] = %p, %s\n", i, (char *)kexec_argv[i], (char *)kexec_argv[i]); ++ ++ return 0; ++} ++ + int + machine_kexec_prepare(struct kimage *kimage) + { +@@ -45,6 +96,7 @@ machine_kexec_prepare(struct kimage *kim + * This can be overrided by _machine_kexec_prepare(). + */ + machine_kexec_init_args(); ++ machine_kexec_pass_args(kimage); + + if (_machine_kexec_prepare) + return _machine_kexec_prepare(kimage); diff --git a/target/linux/generic/patches-3.6/334-mips-fix-compiling-failure-of-relocate_kernel.patch b/target/linux/generic/patches-3.6/334-mips-fix-compiling-failure-of-relocate_kernel.patch new file mode 100644 index 0000000000..46a7395d5d --- /dev/null +++ b/target/linux/generic/patches-3.6/334-mips-fix-compiling-failure-of-relocate_kernel.patch @@ -0,0 +1,83 @@ +From 4aded085fa0057a9a1e1dcec631f950307360c1f Mon Sep 17 00:00:00 2001 +From: Wu Zhangjin <wuzhangjin@gmail.com> +Date: Tue, 11 Jan 2011 13:46:19 +0000 +Subject: MIPS: Fix compiling failure of relocate_kernel.S + +The following errors is fixed with the help of <asm/asm_nosec.h>. for +this file need to put different symbols in the same section, the +original LEAF, NESTED and EXPORT (without explicit section indication) +must be used, <asm/asm_nosec.h> does it. + +arch/mips/kernel/relocate_kernel.S: Assembler messages: +arch/mips/kernel/relocate_kernel.S:162: Error: operation combines symbols in different segments + +Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> +--- +(limited to 'arch/mips/kernel') + +--- a/arch/mips/kernel/relocate_kernel.S ++++ b/arch/mips/kernel/relocate_kernel.S +@@ -7,6 +7,7 @@ + */ + + #include <asm/asm.h> ++#include <asm/asm_nosec.h> + #include <asm/asmmacro.h> + #include <asm/regdef.h> + #include <asm/page.h> +--- /dev/null ++++ b/arch/mips/include/asm/asm_nosec.h +@@ -0,0 +1,53 @@ ++/* ++ * This file is subject to the terms and conditions of the GNU General Public ++ * License. See the file "COPYING" in the main directory of this archive ++ * for more details. ++ * ++ * Copyright (C) 1995, 1996, 1997, 1999, 2001 by Ralf Baechle ++ * Copyright (C) 1999 by Silicon Graphics, Inc. ++ * Copyright (C) 2001 MIPS Technologies, Inc. ++ * Copyright (C) 2002 Maciej W. Rozycki ++ * Copyright (C) 2010 Wu Zhangjin <wuzhangjin@gmail.com> ++ * ++ * Derive from <asm/asm.h> ++ * ++ * Override the macros without -ffunction-sections and -fdata-sections support. ++ * If several functions or data must be put in the same section, please include ++ * this header file after the <asm/asm.h> to override the generic definition. ++ */ ++ ++#ifndef __ASM_ASM_NOSEC_H ++#define __ASM_ASM_NOSEC_H ++ ++#undef LEAF ++#undef NESTED ++#undef EXPORT ++ ++/* ++ * LEAF - declare leaf routine ++ */ ++#define LEAF(symbol) \ ++ .globl symbol; \ ++ .align 2; \ ++ .type symbol, @function; \ ++ .ent symbol, 0; \ ++symbol: .frame sp, 0, ra ++ ++/* ++ * NESTED - declare nested routine entry point ++ */ ++#define NESTED(symbol, framesize, rpc) \ ++ .globl symbol; \ ++ .align 2; \ ++ .type symbol, @function; \ ++ .ent symbol, 0; \ ++symbol: .frame sp, framesize, rpc ++ ++/* ++ * EXPORT - export definition of symbol ++ */ ++#define EXPORT(symbol) \ ++ .globl symbol; \ ++symbol: ++ ++#endif /* __ASM_ASM_NOSEC_H */ diff --git a/target/linux/generic/patches-3.6/335-mips-kexec-cleanup-kexec-tools-parameter-handling.patch b/target/linux/generic/patches-3.6/335-mips-kexec-cleanup-kexec-tools-parameter-handling.patch new file mode 100644 index 0000000000..f7a8eed000 --- /dev/null +++ b/target/linux/generic/patches-3.6/335-mips-kexec-cleanup-kexec-tools-parameter-handling.patch @@ -0,0 +1,186 @@ +--- a/arch/mips/kernel/machine_kexec.c ++++ b/arch/mips/kernel/machine_kexec.c +@@ -23,67 +23,104 @@ void (*relocated_kexec_smp_wait) (void * + atomic_t kexec_ready_to_reboot = ATOMIC_INIT(0); + #endif + +-static void machine_kexec_init_args(void) ++#define KEXEC_MIPS_ARGV_BUF_SIZE COMMAND_LINE_SIZE ++#define KEXEC_MIPS_ARGV_MAX_ARGS (COMMAND_LINE_SIZE / 15) ++ ++char kexec_argv_buf[KEXEC_MIPS_ARGV_BUF_SIZE] __kexec; ++char *kexec_argv[KEXEC_MIPS_ARGV_MAX_ARGS] __kexec; ++ ++static void ++machine_kexec_print_args(void) + { +- kexec_args[0] = fw_arg0; +- kexec_args[1] = fw_arg1; +- kexec_args[2] = fw_arg2; +- kexec_args[3] = fw_arg3; ++ int i; + + pr_info("kexec_args[0] (argc): %lu\n", kexec_args[0]); + pr_info("kexec_args[1] (argv): %p\n", (void *)kexec_args[1]); + pr_info("kexec_args[2] (env ): %p\n", (void *)kexec_args[2]); + pr_info("kexec_args[3] (desc): %p\n", (void *)kexec_args[3]); +-} + +-#define ARGV_MAX_ARGS (COMMAND_LINE_SIZE / 15) ++ for (i = 0; i < kexec_args[0]; i++) ++ pr_info("kexec_argv[%d] = %p, %s\n", i, ++ (char *)kexec_argv[i], (char *)kexec_argv[i]); ++} + +-int machine_kexec_pass_args(struct kimage *image) ++static void ++machine_kexec_init_argv(struct kimage *image) + { +- int i, argc = 0; +- char *bootloader = "kexec"; +- int *kexec_argv = (int *)kexec_args[1]; ++ void __user *buf = NULL; ++ size_t bufsz; ++ size_t size; ++ int i; + ++ bufsz = 0; + for (i = 0; i < image->nr_segments; i++) { +- if (!strncmp(bootloader, (char *)image->segment[i].buf, +- strlen(bootloader))) { +- /* +- * convert command line string to array +- * of parameters (as bootloader does). +- */ +- /* +- * Note: we do treat the 1st string "kexec" as an +- * argument ;-) so, argc here is 1. +- */ +- char *str = (char *)image->segment[i].buf; +- char *ptr = strchr(str, ' '); +- char *kbuf = (char *)kexec_argv[0]; +- /* Whenever --command-line or --append used, "kexec" is copied */ +- argc = 1; +- /* Parse the offset */ +- while (ptr && (ARGV_MAX_ARGS > argc)) { +- *ptr = '\0'; +- if (ptr[1] != ' ' && ptr[1] != '\0') { +- int offt = (int)(ptr - str + 1); +- kexec_argv[argc] = (int)kbuf + offt; +- argc++; +- } +- ptr = strchr(ptr + 1, ' '); +- } +- if (argc > 1) { +- /* Copy to kernel space */ +- copy_from_user(kbuf, (char *)image->segment[i].buf, image->segment[i].bufsz); +- fw_arg0 = kexec_args[0] = argc; +- } +- break; ++ struct kexec_segment *seg; ++ ++ seg = &image->segment[i]; ++ if (seg->bufsz < 6) ++ continue; ++ ++ if (strncmp((char *) seg->buf, "kexec", 5)) ++ continue; ++ ++ /* don't copy "kexec" */ ++ buf = seg->buf + 5; ++ bufsz = seg->bufsz - 5; ++ break; ++ } ++ ++ if (!buf) ++ return; ++ ++ size = KEXEC_MIPS_ARGV_BUF_SIZE - 1; ++ size = min(size, bufsz); ++ if (size < bufsz) ++ pr_warn("kexec command line truncated to %zd bytes\n", size); ++ ++ /* Copy to kernel space */ ++ copy_from_user(kexec_argv_buf, buf, size); ++} ++ ++static void ++machine_kexec_parse_argv(struct kimage *image) ++{ ++ char *reboot_code_buffer; ++ int reloc_delta; ++ char *ptr; ++ int argc; ++ int i; ++ ++ ptr = kexec_argv_buf; ++ argc = 0; ++ ++ /* ++ * convert command line string to array of parameters ++ * (as bootloader does). ++ */ ++ while (ptr && *ptr && (KEXEC_MIPS_ARGV_MAX_ARGS > argc)) { ++ if (*ptr == ' ') { ++ *ptr++ = '\0'; ++ continue; + } ++ ++ kexec_argv[argc++] = ptr; ++ ptr = strchr(ptr, ' '); + } + +- pr_info("argc = %lu\n", kexec_args[0]); +- for (i = 0; i < kexec_args[0]; i++) +- pr_info("argv[%d] = %p, %s\n", i, (char *)kexec_argv[i], (char *)kexec_argv[i]); ++ if (!argc) ++ return; + +- return 0; ++ kexec_args[0] = argc; ++ kexec_args[1] = (unsigned long)kexec_argv; ++ kexec_args[2] = 0; ++ kexec_args[3] = 0; ++ ++ reboot_code_buffer = page_address(image->control_code_page); ++ reloc_delta = reboot_code_buffer - (char *) &__start___kexec_relocate; ++ ++ kexec_args[1] += reloc_delta; ++ for (i = 0; i < argc; i++) ++ kexec_argv[i] += reloc_delta; + } + + int +@@ -95,8 +132,14 @@ machine_kexec_prepare(struct kimage *kim + * + * This can be overrided by _machine_kexec_prepare(). + */ +- machine_kexec_init_args(); +- machine_kexec_pass_args(kimage); ++ ++ kexec_args[0] = fw_arg0; ++ kexec_args[1] = fw_arg1; ++ kexec_args[2] = fw_arg2; ++ kexec_args[3] = fw_arg3; ++ ++ machine_kexec_init_argv(kimage); ++ machine_kexec_parse_argv(kimage); + + if (_machine_kexec_prepare) + return _machine_kexec_prepare(kimage); +@@ -152,11 +195,13 @@ machine_kexec(struct kimage *image) + pr_info("kexec_indirection_page = %p\n", + (void *)kexec_indirection_page); + ++ pr_info("Copy kexec_relocate section from %p to reboot_code_buffer: %p\n", ++ &__start___kexec_relocate, (void *)reboot_code_buffer); ++ + memcpy((void *)reboot_code_buffer, &__start___kexec_relocate, + kexec_relocate_size); + +- pr_info("Copy kexec_relocate section from %p to reboot_code_buffer: %p\n", +- &__start___kexec_relocate, (void *)reboot_code_buffer); ++ machine_kexec_print_args(); + + /* + * The generic kexec code builds a page list with physical diff --git a/target/linux/generic/patches-3.6/340-module_alloc_size_check.patch b/target/linux/generic/patches-3.6/340-module_alloc_size_check.patch new file mode 100644 index 0000000000..549df5a667 --- /dev/null +++ b/target/linux/generic/patches-3.6/340-module_alloc_size_check.patch @@ -0,0 +1,20 @@ +--- a/kernel/module.c ++++ b/kernel/module.c +@@ -2322,12 +2322,15 @@ static void dynamic_debug_remove(struct + + void * __weak module_alloc(unsigned long size) + { +- return size == 0 ? NULL : vmalloc_exec(size); ++ return vmalloc_exec(size); + } + + static void *module_alloc_update_bounds(unsigned long size) + { +- void *ret = module_alloc(size); ++ void *ret = NULL; ++ ++ if (size) ++ ret = module_alloc(size); + + if (ret) { + mutex_lock(&module_mutex); diff --git a/target/linux/generic/patches-3.6/400-rootfs_split.patch b/target/linux/generic/patches-3.6/400-rootfs_split.patch new file mode 100644 index 0000000000..6dc433bd56 --- /dev/null +++ b/target/linux/generic/patches-3.6/400-rootfs_split.patch @@ -0,0 +1,327 @@ +--- a/drivers/mtd/Kconfig ++++ b/drivers/mtd/Kconfig +@@ -23,6 +23,14 @@ config MTD_TESTS + WARNING: some of the tests will ERASE entire MTD device which they + test. Do not use these tests unless you really know what you do. + ++config MTD_ROOTFS_ROOT_DEV ++ bool "Automatically set 'rootfs' partition to be root filesystem" ++ default y ++ ++config MTD_ROOTFS_SPLIT ++ bool "Automatically split 'rootfs' partition for squashfs" ++ default y ++ + config MTD_REDBOOT_PARTS + tristate "RedBoot partition table parsing" + ---help--- +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -29,6 +29,8 @@ + #include <linux/kmod.h> + #include <linux/mtd/mtd.h> + #include <linux/mtd/partitions.h> ++#include <linux/root_dev.h> ++#include <linux/magic.h> + #include <linux/err.h> + + #include "mtdcore.h" +@@ -50,7 +52,7 @@ struct mtd_part { + * the pointer to that structure with this macro. + */ + #define PART(x) ((struct mtd_part *)(x)) +- ++#define IS_PART(mtd) (mtd->read == part_read) + + /* + * MTD methods which simply translate the effective address and pass through +@@ -643,6 +645,155 @@ int mtd_del_partition(struct mtd_info *m + } + EXPORT_SYMBOL_GPL(mtd_del_partition); + ++#ifdef CONFIG_MTD_ROOTFS_SPLIT ++#define ROOTFS_SPLIT_NAME "rootfs_data" ++#define ROOTFS_REMOVED_NAME "<removed>" ++ ++struct squashfs_super_block { ++ __le32 s_magic; ++ __le32 pad0[9]; ++ __le64 bytes_used; ++}; ++ ++ ++static int split_squashfs(struct mtd_info *master, int offset, int *split_offset) ++{ ++ struct squashfs_super_block sb; ++ int len, ret; ++ ++ ret = master->read(master, offset, sizeof(sb), &len, (void *) &sb); ++ if (ret || (len != sizeof(sb))) { ++ printk(KERN_ALERT "split_squashfs: error occured while reading " ++ "from \"%s\"\n", master->name); ++ return -EINVAL; ++ } ++ ++ if (SQUASHFS_MAGIC != le32_to_cpu(sb.s_magic) ) { ++ printk(KERN_ALERT "split_squashfs: no squashfs found in \"%s\"\n", ++ master->name); ++ *split_offset = 0; ++ return 0; ++ } ++ ++ if (le64_to_cpu((sb.bytes_used)) <= 0) { ++ printk(KERN_ALERT "split_squashfs: squashfs is empty in \"%s\"\n", ++ master->name); ++ *split_offset = 0; ++ return 0; ++ } ++ ++ len = (u32) le64_to_cpu(sb.bytes_used); ++ len += (offset & 0x000fffff); ++ len += (master->erasesize - 1); ++ len &= ~(master->erasesize - 1); ++ len -= (offset & 0x000fffff); ++ *split_offset = offset + len; ++ ++ return 0; ++} ++ ++static int split_rootfs_data(struct mtd_info *master, struct mtd_info *rpart, const struct mtd_partition *part) ++{ ++ struct mtd_partition *dpart; ++ struct mtd_part *slave = NULL; ++ struct mtd_part *spart; ++ int ret, split_offset = 0; ++ ++ spart = PART(rpart); ++ ret = split_squashfs(master, spart->offset, &split_offset); ++ if (ret) ++ return ret; ++ ++ if (split_offset <= 0) ++ return 0; ++ ++ dpart = kmalloc(sizeof(*part)+sizeof(ROOTFS_SPLIT_NAME)+1, GFP_KERNEL); ++ if (dpart == NULL) { ++ printk(KERN_INFO "split_squashfs: no memory for partition \"%s\"\n", ++ ROOTFS_SPLIT_NAME); ++ return -ENOMEM; ++ } ++ ++ memcpy(dpart, part, sizeof(*part)); ++ dpart->name = (unsigned char *)&dpart[1]; ++ strcpy(dpart->name, ROOTFS_SPLIT_NAME); ++ ++ dpart->size = rpart->size - (split_offset - spart->offset); ++ dpart->offset = split_offset; ++ ++ if (dpart == NULL) ++ return 1; ++ ++ printk(KERN_INFO "mtd: partition \"%s\" created automatically, ofs=%llX, len=%llX \n", ++ ROOTFS_SPLIT_NAME, dpart->offset, dpart->size); ++ ++ slave = allocate_partition(master, dpart, 0, split_offset); ++ if (IS_ERR(slave)) ++ return PTR_ERR(slave); ++ mutex_lock(&mtd_partitions_mutex); ++ list_add(&slave->list, &mtd_partitions); ++ mutex_unlock(&mtd_partitions_mutex); ++ ++ add_mtd_device(&slave->mtd); ++ ++ rpart->split = &slave->mtd; ++ ++ return 0; ++} ++ ++static int refresh_rootfs_split(struct mtd_info *mtd) ++{ ++ struct mtd_partition tpart; ++ struct mtd_part *part; ++ char *name; ++ //int index = 0; ++ int offset, size; ++ int ret; ++ ++ part = PART(mtd); ++ ++ /* check for the new squashfs offset first */ ++ ret = split_squashfs(part->master, part->offset, &offset); ++ if (ret) ++ return ret; ++ ++ if ((offset > 0) && !mtd->split) { ++ printk(KERN_INFO "%s: creating new split partition for \"%s\"\n", __func__, mtd->name); ++ /* if we don't have a rootfs split partition, create a new one */ ++ tpart.name = (char *) mtd->name; ++ tpart.size = mtd->size; ++ tpart.offset = part->offset; ++ ++ return split_rootfs_data(part->master, &part->mtd, &tpart); ++ } else if ((offset > 0) && mtd->split) { ++ /* update the offsets of the existing partition */ ++ size = mtd->size + part->offset - offset; ++ ++ part = PART(mtd->split); ++ part->offset = offset; ++ part->mtd.size = size; ++ printk(KERN_INFO "%s: %s partition \"" ROOTFS_SPLIT_NAME "\", offset: 0x%06x (0x%06x)\n", ++ __func__, (!strcmp(part->mtd.name, ROOTFS_SPLIT_NAME) ? "updating" : "creating"), ++ (u32) part->offset, (u32) part->mtd.size); ++ name = kmalloc(sizeof(ROOTFS_SPLIT_NAME) + 1, GFP_KERNEL); ++ strcpy(name, ROOTFS_SPLIT_NAME); ++ part->mtd.name = name; ++ } else if ((offset <= 0) && mtd->split) { ++ printk(KERN_INFO "%s: removing partition \"%s\"\n", __func__, mtd->split->name); ++ ++ /* mark existing partition as removed */ ++ part = PART(mtd->split); ++ name = kmalloc(sizeof(ROOTFS_SPLIT_NAME) + 1, GFP_KERNEL); ++ strcpy(name, ROOTFS_REMOVED_NAME); ++ part->mtd.name = name; ++ part->offset = 0; ++ part->mtd.size = 0; ++ } ++ ++ return 0; ++} ++#endif /* CONFIG_MTD_ROOTFS_SPLIT */ ++ + /* + * This function, given a master MTD object and a partition table, creates + * and registers slave MTD objects which are bound to the master according to +@@ -659,6 +810,9 @@ int add_mtd_partitions(struct mtd_info * + struct mtd_part *slave; + uint64_t cur_offset = 0; + int i; ++#ifdef CONFIG_MTD_ROOTFS_SPLIT ++ int ret; ++#endif + + printk(KERN_NOTICE "Creating %d MTD partitions on \"%s\":\n", nbparts, master->name); + +@@ -673,12 +827,53 @@ int add_mtd_partitions(struct mtd_info * + + add_mtd_device(&slave->mtd); + ++ if (!strcmp(parts[i].name, "rootfs")) { ++#ifdef CONFIG_MTD_ROOTFS_ROOT_DEV ++ if (ROOT_DEV == 0) { ++ printk(KERN_NOTICE "mtd: partition \"rootfs\" " ++ "set to be root filesystem\n"); ++ ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, slave->mtd.index); ++ } ++#endif ++#ifdef CONFIG_MTD_ROOTFS_SPLIT ++ ret = split_rootfs_data(master, &slave->mtd, &parts[i]); ++ /* if (ret == 0) ++ * j++; */ ++#endif ++ } ++ + cur_offset = slave->offset + slave->mtd.size; + } + + return 0; + } + ++int mtd_device_refresh(struct mtd_info *mtd) ++{ ++ int ret = 0; ++ ++ if (IS_PART(mtd)) { ++ struct mtd_part *part; ++ struct mtd_info *master; ++ ++ part = PART(mtd); ++ master = part->master; ++ if (master->refresh_device) ++ ret = master->refresh_device(master); ++ } ++ ++ if (!ret && mtd->refresh_device) ++ ret = mtd->refresh_device(mtd); ++ ++#ifdef CONFIG_MTD_ROOTFS_SPLIT ++ if (!ret && IS_PART(mtd) && !strcmp(mtd->name, "rootfs")) ++ refresh_rootfs_split(mtd); ++#endif ++ ++ return 0; ++} ++EXPORT_SYMBOL_GPL(mtd_device_refresh); ++ + static DEFINE_SPINLOCK(part_parser_lock); + static LIST_HEAD(part_parsers); + +--- a/drivers/mtd/mtdchar.c ++++ b/drivers/mtd/mtdchar.c +@@ -1005,6 +1005,12 @@ static int mtdchar_ioctl(struct file *fi + break; + } + ++ case MTDREFRESH: ++ { ++ ret = mtd_device_refresh(mtd); ++ break; ++ } ++ + default: + ret = -ENOTTY; + } +--- a/include/linux/mtd/mtd.h ++++ b/include/linux/mtd/mtd.h +@@ -114,6 +114,7 @@ struct nand_ecclayout { + + struct module; /* only needed for owner field in mtd_info */ + ++struct mtd_info; + struct mtd_info { + u_char type; + uint32_t flags; +@@ -214,6 +215,9 @@ struct mtd_info { + int (*_block_markbad) (struct mtd_info *mtd, loff_t ofs); + int (*_suspend) (struct mtd_info *mtd); + void (*_resume) (struct mtd_info *mtd); ++ int (*refresh_device)(struct mtd_info *mtd); ++ struct mtd_info *split; ++ + /* + * If the driver is something smart, like UBI, it may need to maintain + * its own reference counting. The below functions are only for driver. +@@ -502,6 +506,7 @@ extern int mtd_device_parse_register(str + int defnr_parts); + #define mtd_device_register(master, parts, nr_parts) \ + mtd_device_parse_register(master, NULL, NULL, parts, nr_parts) ++extern int mtd_device_refresh(struct mtd_info *master); + extern int mtd_device_unregister(struct mtd_info *master); + extern struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num); + extern int __get_mtd_device(struct mtd_info *mtd); +--- a/include/linux/mtd/partitions.h ++++ b/include/linux/mtd/partitions.h +@@ -36,12 +36,14 @@ + * erasesize aligned (e.g. use MTDPART_OFS_NEXTBLK). + */ + ++struct mtd_partition; + struct mtd_partition { + char *name; /* identifier string */ + uint64_t size; /* partition size */ + uint64_t offset; /* offset within the master MTD space */ + uint32_t mask_flags; /* master MTD flags to mask out for this partition */ + struct nand_ecclayout *ecclayout; /* out of band layout for this partition (NAND only) */ ++ int (*refresh_partition)(struct mtd_info *); + }; + + #define MTDPART_OFS_RETAIN (-3) +--- a/include/mtd/mtd-abi.h ++++ b/include/mtd/mtd-abi.h +@@ -202,6 +202,7 @@ struct otp_info { + * without OOB, e.g., NOR flash. + */ + #define MEMWRITE _IOWR('M', 24, struct mtd_write_req) ++#define MTDREFRESH _IO('M', 50) + + /* + * Obsolete legacy interface. Keep it in order not to break userspace diff --git a/target/linux/generic/patches-3.6/401-partial_eraseblock_write.patch b/target/linux/generic/patches-3.6/401-partial_eraseblock_write.patch new file mode 100644 index 0000000000..24b93448c7 --- /dev/null +++ b/target/linux/generic/patches-3.6/401-partial_eraseblock_write.patch @@ -0,0 +1,145 @@ +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -35,6 +35,8 @@ + + #include "mtdcore.h" + ++#define MTD_ERASE_PARTIAL 0x8000 /* partition only covers parts of an erase block */ ++ + /* Our partition linked list */ + static LIST_HEAD(mtd_partitions); + static DEFINE_MUTEX(mtd_partitions_mutex); +@@ -252,13 +254,60 @@ static int part_erase(struct mtd_info *m + struct mtd_part *part = PART(mtd); + int ret; + ++ ++ instr->partial_start = false; ++ if (mtd->flags & MTD_ERASE_PARTIAL) { ++ size_t readlen = 0; ++ u64 mtd_ofs; ++ ++ instr->erase_buf = kmalloc(part->master->erasesize, GFP_ATOMIC); ++ if (!instr->erase_buf) ++ return -ENOMEM; ++ ++ mtd_ofs = part->offset + instr->addr; ++ instr->erase_buf_ofs = do_div(mtd_ofs, part->master->erasesize); ++ ++ if (instr->erase_buf_ofs > 0) { ++ instr->addr -= instr->erase_buf_ofs; ++ ret = mtd_read(part->master, ++ instr->addr + part->offset, ++ part->master->erasesize, ++ &readlen, instr->erase_buf); ++ ++ instr->partial_start = true; ++ } else { ++ mtd_ofs = part->offset + part->mtd.size; ++ instr->erase_buf_ofs = part->master->erasesize - ++ do_div(mtd_ofs, part->master->erasesize); ++ ++ if (instr->erase_buf_ofs > 0) { ++ instr->len += instr->erase_buf_ofs; ++ ret = mtd_read(part->master, ++ part->offset + instr->addr + ++ instr->len - part->master->erasesize, ++ part->master->erasesize, &readlen, ++ instr->erase_buf); ++ } else { ++ ret = 0; ++ } ++ } ++ if (ret < 0) { ++ kfree(instr->erase_buf); ++ return ret; ++ } ++ ++ } ++ + instr->addr += part->offset; + ret = part->master->_erase(part->master, instr); + if (ret) { + if (instr->fail_addr != MTD_FAIL_ADDR_UNKNOWN) + instr->fail_addr -= part->offset; + instr->addr -= part->offset; ++ if (mtd->flags & MTD_ERASE_PARTIAL) ++ kfree(instr->erase_buf); + } ++ + return ret; + } + +@@ -266,7 +315,25 @@ void mtd_erase_callback(struct erase_inf + { + if (instr->mtd->erase == part_erase) { + struct mtd_part *part = PART(instr->mtd); ++ size_t wrlen = 0; + ++ if (instr->mtd->flags & MTD_ERASE_PARTIAL) { ++ if (instr->partial_start) { ++ part->master->write(part->master, ++ instr->addr, instr->erase_buf_ofs, ++ &wrlen, instr->erase_buf); ++ instr->addr += instr->erase_buf_ofs; ++ } else { ++ instr->len -= instr->erase_buf_ofs; ++ part->master->write(part->master, ++ instr->addr + instr->len, ++ instr->erase_buf_ofs, &wrlen, ++ instr->erase_buf + ++ part->master->erasesize - ++ instr->erase_buf_ofs); ++ } ++ kfree(instr->erase_buf); ++ } + if (instr->fail_addr != MTD_FAIL_ADDR_UNKNOWN) + instr->fail_addr -= part->offset; + instr->addr -= part->offset; +@@ -537,18 +604,24 @@ static struct mtd_part *allocate_partiti + if ((slave->mtd.flags & MTD_WRITEABLE) && + mtd_mod_by_eb(slave->offset, &slave->mtd)) { + /* Doesn't start on a boundary of major erase size */ +- /* FIXME: Let it be writable if it is on a boundary of +- * _minor_ erase size though */ +- slave->mtd.flags &= ~MTD_WRITEABLE; +- printk(KERN_WARNING"mtd: partition \"%s\" doesn't start on an erase block boundary -- force read-only\n", +- part->name); ++ slave->mtd.flags |= MTD_ERASE_PARTIAL; ++ if (((u32) slave->mtd.size) > master->erasesize) ++ slave->mtd.flags &= ~MTD_WRITEABLE; ++ else ++ slave->mtd.erasesize = slave->mtd.size; + } + if ((slave->mtd.flags & MTD_WRITEABLE) && +- mtd_mod_by_eb(slave->mtd.size, &slave->mtd)) { +- slave->mtd.flags &= ~MTD_WRITEABLE; +- printk(KERN_WARNING"mtd: partition \"%s\" doesn't end on an erase block -- force read-only\n", +- part->name); ++ mtd_mod_by_eb(slave->offset + slave->mtd.size, &slave->mtd)) { ++ slave->mtd.flags |= MTD_ERASE_PARTIAL; ++ ++ if ((u32) slave->mtd.size > master->erasesize) ++ slave->mtd.flags &= ~MTD_WRITEABLE; ++ else ++ slave->mtd.erasesize = slave->mtd.size; + } ++ if ((slave->mtd.flags & (MTD_ERASE_PARTIAL|MTD_WRITEABLE)) == MTD_ERASE_PARTIAL) ++ printk(KERN_WARNING"mtd: partition \"%s\" must either start or end on erase block boundary or be smaller than an erase block -- forcing read-only\n", ++ part->name); + + slave->mtd.ecclayout = master->ecclayout; + if (master->block_isbad) { +--- a/include/linux/mtd/mtd.h ++++ b/include/linux/mtd/mtd.h +@@ -58,6 +58,10 @@ struct erase_info { + u_long priv; + u_char state; + struct erase_info *next; ++ ++ u8 *erase_buf; ++ u32 erase_buf_ofs; ++ bool partial_start; + }; + + struct mtd_erase_region_info { diff --git a/target/linux/generic/patches-3.6/410-mtd_info_move_forward_decl.patch b/target/linux/generic/patches-3.6/410-mtd_info_move_forward_decl.patch new file mode 100644 index 0000000000..251f522e44 --- /dev/null +++ b/target/linux/generic/patches-3.6/410-mtd_info_move_forward_decl.patch @@ -0,0 +1,18 @@ +--- a/include/linux/mtd/partitions.h ++++ b/include/linux/mtd/partitions.h +@@ -35,6 +35,7 @@ + * Note: writeable partitions require their size and offset be + * erasesize aligned (e.g. use MTDPART_OFS_NEXTBLK). + */ ++struct mtd_info; + + struct mtd_partition; + struct mtd_partition { +@@ -52,7 +53,6 @@ struct mtd_partition { + #define MTDPART_SIZ_FULL (0) + + +-struct mtd_info; + struct device_node; + + /** diff --git a/target/linux/generic/patches-3.6/420-redboot_space.patch b/target/linux/generic/patches-3.6/420-redboot_space.patch new file mode 100644 index 0000000000..fb6700b07e --- /dev/null +++ b/target/linux/generic/patches-3.6/420-redboot_space.patch @@ -0,0 +1,30 @@ +--- a/drivers/mtd/redboot.c ++++ b/drivers/mtd/redboot.c +@@ -267,14 +267,21 @@ static int parse_redboot_partitions(stru + #endif + names += strlen(names)+1; + +-#ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED + if(fl->next && fl->img->flash_base + fl->img->size + master->erasesize <= fl->next->img->flash_base) { +- i++; +- parts[i].offset = parts[i-1].size + parts[i-1].offset; +- parts[i].size = fl->next->img->flash_base - parts[i].offset; +- parts[i].name = nullname; +- } ++ if (!strcmp(parts[i].name, "rootfs")) { ++ parts[i].size = fl->next->img->flash_base; ++ parts[i].size &= ~(master->erasesize - 1); ++ parts[i].size -= parts[i].offset; ++#ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED ++ nrparts--; ++ } else { ++ i++; ++ parts[i].offset = parts[i-1].size + parts[i-1].offset; ++ parts[i].size = fl->next->img->flash_base - parts[i].offset; ++ parts[i].name = nullname; + #endif ++ } ++ } + tmp_fl = fl; + fl = fl->next; + kfree(tmp_fl); diff --git a/target/linux/generic/patches-3.6/421-redboot_boardconfig.patch b/target/linux/generic/patches-3.6/421-redboot_boardconfig.patch new file mode 100644 index 0000000000..db8377b303 --- /dev/null +++ b/target/linux/generic/patches-3.6/421-redboot_boardconfig.patch @@ -0,0 +1,60 @@ +--- a/drivers/mtd/redboot.c ++++ b/drivers/mtd/redboot.c +@@ -30,6 +30,8 @@ + #include <linux/mtd/partitions.h> + #include <linux/module.h> + ++#define BOARD_CONFIG_PART "boardconfig" ++ + struct fis_image_desc { + unsigned char name[16]; // Null terminated name + uint32_t flash_base; // Address within FLASH of image +@@ -60,6 +62,7 @@ static int parse_redboot_partitions(stru + struct mtd_partition **pparts, + struct mtd_part_parser_data *data) + { ++ unsigned long max_offset = 0; + int nrparts = 0; + struct fis_image_desc *buf; + struct mtd_partition *parts; +@@ -227,14 +230,14 @@ static int parse_redboot_partitions(stru + } + } + #endif +- parts = kzalloc(sizeof(*parts)*nrparts + nulllen + namelen, GFP_KERNEL); ++ parts = kzalloc(sizeof(*parts) * (nrparts + 1) + nulllen + namelen + sizeof(BOARD_CONFIG_PART), GFP_KERNEL); + + if (!parts) { + ret = -ENOMEM; + goto out; + } + +- nullname = (char *)&parts[nrparts]; ++ nullname = (char *)&parts[nrparts + 1]; + #ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED + if (nulllen > 0) { + strcpy(nullname, nullstring); +@@ -253,6 +256,8 @@ static int parse_redboot_partitions(stru + } + #endif + for ( ; i<nrparts; i++) { ++ if(max_offset < buf[i].flash_base + buf[i].size) ++ max_offset = buf[i].flash_base + buf[i].size; + parts[i].size = fl->img->size; + parts[i].offset = fl->img->flash_base; + parts[i].name = names; +@@ -286,6 +291,14 @@ static int parse_redboot_partitions(stru + fl = fl->next; + kfree(tmp_fl); + } ++ if(master->size - max_offset >= master->erasesize) ++ { ++ parts[nrparts].size = master->size - max_offset; ++ parts[nrparts].offset = max_offset; ++ parts[nrparts].name = names; ++ strcpy(names, BOARD_CONFIG_PART); ++ nrparts++; ++ } + ret = nrparts; + *pparts = parts; + out: diff --git a/target/linux/generic/patches-3.6/430-mtd_myloader_partition_parser.patch b/target/linux/generic/patches-3.6/430-mtd_myloader_partition_parser.patch new file mode 100644 index 0000000000..d60126dcdf --- /dev/null +++ b/target/linux/generic/patches-3.6/430-mtd_myloader_partition_parser.patch @@ -0,0 +1,35 @@ +--- a/drivers/mtd/Kconfig ++++ b/drivers/mtd/Kconfig +@@ -156,6 +156,22 @@ config MTD_BCM63XX_PARTS + This provides partions parsing for BCM63xx devices with CFE + bootloaders. + ++config MTD_MYLOADER_PARTS ++ tristate "MyLoader partition parsing" ++ depends on ADM5120 || ATHEROS_AR231X || ATHEROS_AR71XX || ATH79 ++ ---help--- ++ MyLoader is a bootloader which allows the user to define partitions ++ in flash devices, by putting a table in the second erase block ++ on the device, similar to a partition table. This table gives the ++ offsets and lengths of the user defined partitions. ++ ++ If you need code which can detect and parse these tables, and ++ register MTD 'partitions' corresponding to each image detected, ++ enable this option. ++ ++ You will still need the parsing functions to be called by the driver ++ for your particular device. It won't happen automatically. ++ + comment "User Modules And Translation Layers" + + config MTD_CHAR +--- a/drivers/mtd/Makefile ++++ b/drivers/mtd/Makefile +@@ -12,6 +12,7 @@ obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdli + obj-$(CONFIG_MTD_AFS_PARTS) += afs.o + obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o + obj-$(CONFIG_MTD_BCM63XX_PARTS) += bcm63xxpart.o ++obj-$(CONFIG_MTD_MYLOADER_PARTS) += myloader.o + + # 'Users' - code which presents functionality to userspace. + obj-$(CONFIG_MTD_CHAR) += mtdchar.o diff --git a/target/linux/generic/patches-3.6/440-block2mtd_init.patch b/target/linux/generic/patches-3.6/440-block2mtd_init.patch new file mode 100644 index 0000000000..00208c8700 --- /dev/null +++ b/target/linux/generic/patches-3.6/440-block2mtd_init.patch @@ -0,0 +1,116 @@ +--- a/drivers/mtd/devices/block2mtd.c ++++ b/drivers/mtd/devices/block2mtd.c +@@ -14,6 +14,7 @@ + #include <linux/list.h> + #include <linux/init.h> + #include <linux/mtd/mtd.h> ++#include <linux/mtd/partitions.h> + #include <linux/mutex.h> + #include <linux/mount.h> + #include <linux/slab.h> +@@ -231,11 +232,12 @@ static void block2mtd_free_device(struct + + + /* FIXME: ensure that mtd->size % erase_size == 0 */ +-static struct block2mtd_dev *add_device(char *devname, int erase_size) ++static struct block2mtd_dev *add_device(char *devname, int erase_size, const char *mtdname) + { + const fmode_t mode = FMODE_READ | FMODE_WRITE | FMODE_EXCL; + struct block_device *bdev; + struct block2mtd_dev *dev; ++ struct mtd_partition *part; + char *name; + + if (!devname) +@@ -274,13 +276,16 @@ static struct block2mtd_dev *add_device( + + /* Setup the MTD structure */ + /* make the name contain the block device in */ +- name = kasprintf(GFP_KERNEL, "block2mtd: %s", devname); ++ if (!mtdname) ++ mtdname = devname; ++ name = kmalloc(strlen(mtdname) + 1, GFP_KERNEL); + if (!name) + goto devinit_err; + ++ strcpy(name, mtdname); + dev->mtd.name = name; + +- dev->mtd.size = dev->blkdev->bd_inode->i_size & PAGE_MASK; ++ dev->mtd.size = dev->blkdev->bd_inode->i_size & PAGE_MASK & ~(erase_size - 1); + dev->mtd.erasesize = erase_size; + dev->mtd.writesize = 1; + dev->mtd.writebufsize = PAGE_SIZE; +@@ -294,14 +299,17 @@ static struct block2mtd_dev *add_device( + dev->mtd.priv = dev; + dev->mtd.owner = THIS_MODULE; + +- if (mtd_device_register(&dev->mtd, NULL, 0)) { ++ part = kzalloc(sizeof(struct mtd_partition), GFP_KERNEL); ++ part->name = name; ++ part->offset = 0; ++ part->size = dev->mtd.size; ++ if (mtd_device_register(&dev->mtd, part, 1)) { + /* Device didn't get added, so free the entry */ + goto devinit_err; + } + list_add(&dev->list, &blkmtd_device_list); + INFO("mtd%d: [%s] erase_size = %dKiB [%d]", dev->mtd.index, +- dev->mtd.name + strlen("block2mtd: "), +- dev->mtd.erasesize >> 10, dev->mtd.erasesize); ++ mtdname, dev->mtd.erasesize >> 10, dev->mtd.erasesize); + return dev; + + devinit_err: +@@ -374,9 +382,9 @@ static char block2mtd_paramline[80 + 12] + + static int block2mtd_setup2(const char *val) + { +- char buf[80 + 12]; /* 80 for device, 12 for erase size */ ++ char buf[80 + 12 + 80]; /* 80 for device, 12 for erase size, 80 for name */ + char *str = buf; +- char *token[2]; ++ char *token[3]; + char *name; + size_t erase_size = PAGE_SIZE; + int i, ret; +@@ -387,7 +395,7 @@ static int block2mtd_setup2(const char * + strcpy(str, val); + kill_final_newline(str); + +- for (i = 0; i < 2; i++) ++ for (i = 0; i < 3; i++) + token[i] = strsep(&str, ","); + + if (str) +@@ -406,8 +414,10 @@ static int block2mtd_setup2(const char * + parse_err("illegal erase size"); + } + } ++ if (token[2] && (strlen(token[2]) + 1 > 80)) ++ parse_err("mtd device name too long"); + +- add_device(name, erase_size); ++ add_device(name, erase_size, token[2]); + + return 0; + } +@@ -441,7 +451,7 @@ static int block2mtd_setup(const char *v + + + module_param_call(block2mtd, block2mtd_setup, NULL, NULL, 0200); +-MODULE_PARM_DESC(block2mtd, "Device to use. \"block2mtd=<dev>[,<erasesize>]\""); ++MODULE_PARM_DESC(block2mtd, "Device to use. \"block2mtd=<dev>[,<erasesize>[,<name>]]\""); + + static int __init block2mtd_init(void) + { +--- a/block/partition-generic.c ++++ b/block/partition-generic.c +@@ -546,6 +546,7 @@ int invalidate_partitions(struct gendisk + + return 0; + } ++EXPORT_SYMBOL(rescan_partitions); + + unsigned char *read_dev_sector(struct block_device *bdev, sector_t n, Sector *p) + { diff --git a/target/linux/generic/patches-3.6/441-block2mtd_refresh.patch b/target/linux/generic/patches-3.6/441-block2mtd_refresh.patch new file mode 100644 index 0000000000..bbaddf7de1 --- /dev/null +++ b/target/linux/generic/patches-3.6/441-block2mtd_refresh.patch @@ -0,0 +1,268 @@ +--- a/drivers/mtd/devices/block2mtd.c ++++ b/drivers/mtd/devices/block2mtd.c +@@ -29,6 +29,8 @@ + struct block_device *blkdev; + struct mtd_info mtd; + struct mutex write_mutex; ++ rwlock_t bdev_mutex; ++ char devname[0]; + }; + + +@@ -79,6 +81,12 @@ + size_t len = instr->len; + int err; + ++ read_lock(&dev->bdev_mutex); ++ if (!dev->blkdev) { ++ err = -EINVAL; ++ goto done; ++ } ++ + instr->state = MTD_ERASING; + mutex_lock(&dev->write_mutex); + err = _block2mtd_erase(dev, from, len); +@@ -90,6 +98,10 @@ + instr->state = MTD_ERASE_DONE; + + mtd_erase_callback(instr); ++ ++done: ++ read_unlock(&dev->bdev_mutex); ++ + return err; + } + +@@ -101,7 +113,13 @@ + struct page *page; + int index = from >> PAGE_SHIFT; + int offset = from & (PAGE_SIZE-1); +- int cpylen; ++ int cpylen, err = 0; ++ ++ read_lock(&dev->bdev_mutex); ++ if (!dev->blkdev || (from > mtd->size)) { ++ err = -EINVAL; ++ goto done; ++ } + + while (len) { + if ((offset + len) > PAGE_SIZE) +@@ -111,8 +129,10 @@ + len = len - cpylen; + + page = page_read(dev->blkdev->bd_inode->i_mapping, index); +- if (IS_ERR(page)) ++ if (IS_ERR(page)) { + return PTR_ERR(page); ++ goto done; ++ } + + memcpy(buf, page_address(page) + offset, cpylen); + page_cache_release(page); +@@ -123,7 +143,10 @@ + offset = 0; + index++; + } +- return 0; ++ ++done: ++ read_unlock(&dev->bdev_mutex); ++ return err; + } + + +@@ -171,13 +194,22 @@ + size_t *retlen, const u_char *buf) + { + struct block2mtd_dev *dev = mtd->priv; +- int err; ++ int err = 0; ++ ++ read_lock(&dev->bdev_mutex); ++ if (!dev->blkdev) { ++ err = -EINVAL; ++ goto done; ++ } + + mutex_lock(&dev->write_mutex); + err = _block2mtd_write(dev, buf, to, len, retlen); + mutex_unlock(&dev->write_mutex); + if (err > 0) + err = 0; ++ ++done: ++ read_unlock(&dev->bdev_mutex); + return err; + } + +@@ -186,33 +218,110 @@ + static void block2mtd_sync(struct mtd_info *mtd) + { + struct block2mtd_dev *dev = mtd->priv; ++ read_lock(&dev->bdev_mutex); ++ if (dev->blkdev) + sync_blockdev(dev->blkdev); ++ read_unlock(&dev->bdev_mutex); ++ + return; + } + + ++static int _open_bdev(struct block2mtd_dev *dev) ++{ ++ const fmode_t mode = FMODE_READ | FMODE_WRITE | FMODE_EXCL; ++ struct block_device *bdev; ++ ++ /* Get a handle on the device */ ++ bdev = blkdev_get_by_path(dev->devname, mode, dev); ++#ifndef MODULE ++ if (IS_ERR(bdev)) { ++ dev_t devt; ++ ++ /* We might not have rootfs mounted at this point. Try ++ to resolve the device name by other means. */ ++ ++ devt = name_to_dev_t(dev->devname); ++ if (devt) ++ bdev = blkdev_get_by_dev(devt, mode, dev); ++ } ++#endif ++ ++ if (IS_ERR(bdev)) { ++ ERROR("error: cannot open device %s", dev->devname); ++ return 1; ++ } ++ dev->blkdev = bdev; ++ ++ if (MAJOR(bdev->bd_dev) == MTD_BLOCK_MAJOR) { ++ ERROR("attempting to use an MTD device as a block device"); ++ return 1; ++ } ++ ++ return 0; ++} ++ ++static void _close_bdev(struct block2mtd_dev *dev) ++{ ++ struct block_device *bdev; ++ ++ if (!dev->blkdev) ++ return; ++ ++ bdev = dev->blkdev; ++ invalidate_mapping_pages(dev->blkdev->bd_inode->i_mapping, 0, -1); ++ blkdev_put(dev->blkdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL); ++ dev->blkdev = NULL; ++} ++ + static void block2mtd_free_device(struct block2mtd_dev *dev) + { + if (!dev) + return; + + kfree(dev->mtd.name); +- +- if (dev->blkdev) { +- invalidate_mapping_pages(dev->blkdev->bd_inode->i_mapping, +- 0, -1); +- blkdev_put(dev->blkdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL); +- } +- ++ _close_bdev(dev); + kfree(dev); + } + + +-/* FIXME: ensure that mtd->size % erase_size == 0 */ +-static struct block2mtd_dev *add_device(char *devname, int erase_size, const char *mtdname) ++static int block2mtd_refresh(struct mtd_info *mtd) + { +- const fmode_t mode = FMODE_READ | FMODE_WRITE | FMODE_EXCL; ++ struct block2mtd_dev *dev = mtd->priv; + struct block_device *bdev; ++ dev_t devt; ++ int err = 0; ++ ++ /* no other mtd function can run at this point */ ++ write_lock(&dev->bdev_mutex); ++ ++ /* get the device number for the whole disk */ ++ devt = MKDEV(MAJOR(dev->blkdev->bd_dev), 0); ++ ++ /* close the old block device */ ++ _close_bdev(dev); ++ ++ /* open the whole disk, issue a partition rescan, then */ ++ bdev = blkdev_get_by_dev(devt, FMODE_WRITE | FMODE_READ, mtd); ++ if (!bdev || !bdev->bd_disk) ++ err = -EINVAL; ++#ifndef CONFIG_MTD_BLOCK2MTD_MODULE ++ else ++ err = rescan_partitions(bdev->bd_disk, bdev); ++#endif ++ if (bdev) ++ blkdev_put(bdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL); ++ ++ /* try to open the partition block device again */ ++ _open_bdev(dev); ++ write_unlock(&dev->bdev_mutex); ++ ++ return err; ++} ++ ++/* FIXME: ensure that mtd->size % erase_size == 0 */ ++static struct block2mtd_dev *add_device(char *devname, int erase_size, char *mtdname) ++{ + struct block2mtd_dev *dev; + struct mtd_partition *part; + char *name; +@@ -220,36 +329,17 @@ + if (!devname) + return NULL; + +- dev = kzalloc(sizeof(struct block2mtd_dev), GFP_KERNEL); ++ dev = kzalloc(sizeof(struct block2mtd_dev) + strlen(devname) + 1, GFP_KERNEL); + if (!dev) + return NULL; + +- /* Get a handle on the device */ +- bdev = blkdev_get_by_path(devname, mode, dev); +-#ifndef MODULE +- if (IS_ERR(bdev)) { ++ strcpy(dev->devname, devname); + +- /* We might not have rootfs mounted at this point. Try +- to resolve the device name by other means. */ +- +- dev_t devt = name_to_dev_t(devname); +- if (devt) +- bdev = blkdev_get_by_dev(devt, mode, dev); +- } +-#endif +- +- if (IS_ERR(bdev)) { +- ERROR("error: cannot open device %s", devname); +- goto devinit_err; +- } +- dev->blkdev = bdev; +- +- if (MAJOR(bdev->bd_dev) == MTD_BLOCK_MAJOR) { +- ERROR("attempting to use an MTD device as a block device"); ++ if (_open_bdev(dev)) + goto devinit_err; +- } + + mutex_init(&dev->write_mutex); ++ rwlock_init(&dev->bdev_mutex); + + /* Setup the MTD structure */ + /* make the name contain the block device in */ +@@ -274,6 +364,7 @@ + dev->mtd._read = block2mtd_read; + dev->mtd.priv = dev; + dev->mtd.owner = THIS_MODULE; ++ dev->mtd.refresh_device = block2mtd_refresh; + + part = kzalloc(sizeof(struct mtd_partition), GFP_KERNEL); + part->name = name; diff --git a/target/linux/generic/patches-3.6/442-block2mtd_probe.patch b/target/linux/generic/patches-3.6/442-block2mtd_probe.patch new file mode 100644 index 0000000000..c427e9fd01 --- /dev/null +++ b/target/linux/generic/patches-3.6/442-block2mtd_probe.patch @@ -0,0 +1,10 @@ +--- a/drivers/mtd/devices/block2mtd.c ++++ b/drivers/mtd/devices/block2mtd.c +@@ -268,6 +268,7 @@ static int _open_bdev(struct block2mtd_d + /* We might not have rootfs mounted at this point. Try + to resolve the device name by other means. */ + ++ wait_for_device_probe(); + devt = name_to_dev_t(dev->devname); + if (devt) + bdev = blkdev_get_by_dev(devt, mode, dev); diff --git a/target/linux/generic/patches-3.6/450-mtd_plat_nand_chip_fixup.patch b/target/linux/generic/patches-3.6/450-mtd_plat_nand_chip_fixup.patch new file mode 100644 index 0000000000..fd2b9b57b9 --- /dev/null +++ b/target/linux/generic/patches-3.6/450-mtd_plat_nand_chip_fixup.patch @@ -0,0 +1,37 @@ +--- + drivers/mtd/nand/plat_nand.c | 13 ++++++++++++- + include/linux/mtd/nand.h | 1 + + 2 files changed, 13 insertions(+), 1 deletion(-) + +--- a/include/linux/mtd/nand.h ++++ b/include/linux/mtd/nand.h +@@ -622,6 +622,7 @@ struct platform_nand_chip { + unsigned int options; + unsigned int bbt_options; + const char **part_probe_types; ++ int (*chip_fixup)(struct mtd_info *mtd); + }; + + /* Keep gcc happy */ +--- a/drivers/mtd/nand/plat_nand.c ++++ b/drivers/mtd/nand/plat_nand.c +@@ -93,7 +93,18 @@ static int __devinit plat_nand_probe(str + } + + /* Scan to find existence of the device */ +- if (nand_scan(&data->mtd, pdata->chip.nr_chips)) { ++ if (nand_scan_ident(&data->mtd, pdata->chip.nr_chips, NULL)) { ++ err = -ENXIO; ++ goto out; ++ } ++ ++ if (pdata->chip.chip_fixup) { ++ err = pdata->chip.chip_fixup(&data->mtd); ++ if (err) ++ goto out; ++ } ++ ++ if (nand_scan_tail(&data->mtd)) { + err = -ENXIO; + goto out; + } diff --git a/target/linux/generic/patches-3.6/451-mtd_fix_nand_correct_data_return_code.patch b/target/linux/generic/patches-3.6/451-mtd_fix_nand_correct_data_return_code.patch new file mode 100644 index 0000000000..2f72d8594d --- /dev/null +++ b/target/linux/generic/patches-3.6/451-mtd_fix_nand_correct_data_return_code.patch @@ -0,0 +1,12 @@ +--- a/drivers/mtd/nand/nand_ecc.c ++++ b/drivers/mtd/nand/nand_ecc.c +@@ -507,8 +507,7 @@ int __nand_correct_data(unsigned char *b + if ((bitsperbyte[b0] + bitsperbyte[b1] + bitsperbyte[b2]) == 1) + return 1; /* error in ECC data; no action needed */ + +- printk(KERN_ERR "uncorrectable error : "); +- return -1; ++ return -EBADMSG; + } + EXPORT_SYMBOL(__nand_correct_data); + diff --git a/target/linux/generic/patches-3.6/460-cfi_cmdset_0002_no_erase_suspend.patch b/target/linux/generic/patches-3.6/460-cfi_cmdset_0002_no_erase_suspend.patch new file mode 100644 index 0000000000..0c4b9bea0e --- /dev/null +++ b/target/linux/generic/patches-3.6/460-cfi_cmdset_0002_no_erase_suspend.patch @@ -0,0 +1,11 @@ +--- a/drivers/mtd/chips/cfi_cmdset_0002.c ++++ b/drivers/mtd/chips/cfi_cmdset_0002.c +@@ -682,7 +682,7 @@ static int get_chip(struct map_info *map + return 0; + + case FL_ERASING: +- if (!cfip || !(cfip->EraseSuspend & (0x1|0x2)) || ++ if (1 /* no suspend */ || !cfip || !(cfip->EraseSuspend & (0x1|0x2)) || + !(mode == FL_READY || mode == FL_POINT || + (mode == FL_WRITING && (cfip->EraseSuspend & 0x2)))) + goto sleep; diff --git a/target/linux/generic/patches-3.6/470-mtd_m25p80_add_pm25lv_flash_support.patch b/target/linux/generic/patches-3.6/470-mtd_m25p80_add_pm25lv_flash_support.patch new file mode 100644 index 0000000000..ff27d04f8f --- /dev/null +++ b/target/linux/generic/patches-3.6/470-mtd_m25p80_add_pm25lv_flash_support.patch @@ -0,0 +1,39 @@ +--- a/drivers/mtd/devices/m25p80.c ++++ b/drivers/mtd/devices/m25p80.c +@@ -45,6 +45,7 @@ + #define OPCODE_BE_4K 0x20 /* Erase 4KiB block */ + #define OPCODE_BE_32K 0x52 /* Erase 32KiB block */ + #define OPCODE_CHIP_ERASE 0xc7 /* Erase whole flash chip */ ++#define OPCODE_BE_4K_PMC 0xd7 /* Erase 4KiB block on PMC chips*/ + #define OPCODE_SE 0xd8 /* Sector erase (usually 64KiB) */ + #define OPCODE_RDID 0x9f /* Read JEDEC ID */ + +@@ -625,6 +626,7 @@ struct flash_info { + u16 flags; + #define SECT_4K 0x01 /* OPCODE_BE_4K works uniformly */ + #define M25P_NO_ERASE 0x02 /* No erase command needed */ ++#define SECT_4K_PMC 0x04 /* OPCODE_BE_4K_PMC works uniformly */ + }; + + #define INFO(_jedec_id, _ext_id, _sector_size, _n_sectors, _flags) \ +@@ -686,6 +688,10 @@ static const struct spi_device_id m25p_i + { "mx25l25635e", INFO(0xc22019, 0, 64 * 1024, 512, 0) }, + { "mx25l25655e", INFO(0xc22619, 0, 64 * 1024, 512, 0) }, + ++ /* PMC -- pm25x "blocks" are 32K, sectors are 4K */ ++ { "pm25lv512", INFO(0, 0, 32 * 1024, 2, SECT_4K_PMC) }, ++ { "pm25lv010", INFO(0, 0, 32 * 1024, 4, SECT_4K_PMC) }, ++ + /* Spansion -- single (large) sector size only, at least + * for the chips listed here (without boot sectors). + */ +@@ -921,6 +927,9 @@ static int __devinit m25p_probe(struct s + if (info->flags & SECT_4K) { + flash->erase_opcode = OPCODE_BE_4K; + flash->mtd.erasesize = 4096; ++ } else if (info->flags & SECT_4K_PMC) { ++ flash->erase_opcode = OPCODE_BE_4K_PMC; ++ flash->mtd.erasesize = 4096; + } else { + flash->erase_opcode = OPCODE_SE; + flash->mtd.erasesize = info->sector_size; diff --git a/target/linux/generic/patches-3.6/473-mtd_m25p80_add_w25q128.patch b/target/linux/generic/patches-3.6/473-mtd_m25p80_add_w25q128.patch new file mode 100644 index 0000000000..290f4f6b8b --- /dev/null +++ b/target/linux/generic/patches-3.6/473-mtd_m25p80_add_w25q128.patch @@ -0,0 +1,10 @@ +--- a/drivers/mtd/devices/m25p80.c ++++ b/drivers/mtd/devices/m25p80.c +@@ -765,6 +765,7 @@ static const struct spi_device_id m25p_i + { "w25x64", INFO(0xef3017, 0, 64 * 1024, 128, SECT_4K) }, + { "w25q64", INFO(0xef4017, 0, 64 * 1024, 128, SECT_4K) }, + { "w25q80", INFO(0xef5014, 0, 64 * 1024, 16, SECT_4K) }, ++ { "w25q128", INFO(0xef4018, 0, 64 * 1024, 256, SECT_4K) }, + + /* Catalyst / On Semiconductor -- non-JEDEC */ + { "cat25c11", CAT25_INFO( 16, 8, 16, 1) }, diff --git a/target/linux/generic/patches-3.6/475-mtd_cfi_cmdset_0002-add-buffer-write-cmd-timeout.patch b/target/linux/generic/patches-3.6/475-mtd_cfi_cmdset_0002-add-buffer-write-cmd-timeout.patch new file mode 100644 index 0000000000..3b43535da5 --- /dev/null +++ b/target/linux/generic/patches-3.6/475-mtd_cfi_cmdset_0002-add-buffer-write-cmd-timeout.patch @@ -0,0 +1,18 @@ +From: George Kashperko <george@znau.edu.ua> + +Issue map read after Write Buffer Load command to ensure chip is ready +to receive data. +Signed-off-by: George Kashperko <george@znau.edu.ua> +--- + drivers/mtd/chips/cfi_cmdset_0002.c | 1 + + 1 file changed, 1 insertion(+) +--- a/drivers/mtd/chips/cfi_cmdset_0002.c ++++ b/drivers/mtd/chips/cfi_cmdset_0002.c +@@ -1409,6 +1409,7 @@ static int __xipram do_write_buffer(stru + + /* Write Buffer Load */ + map_write(map, CMD(0x25), cmd_adr); ++ (void) map_read(map, cmd_adr); + + chip->state = FL_WRITING_TO_BUFFER; + diff --git a/target/linux/generic/patches-3.6/476-mtd-m25p80-allow-to-disable-small-sector-erase.patch b/target/linux/generic/patches-3.6/476-mtd-m25p80-allow-to-disable-small-sector-erase.patch new file mode 100644 index 0000000000..231d4548c7 --- /dev/null +++ b/target/linux/generic/patches-3.6/476-mtd-m25p80-allow-to-disable-small-sector-erase.patch @@ -0,0 +1,41 @@ +--- a/drivers/mtd/devices/Kconfig ++++ b/drivers/mtd/devices/Kconfig +@@ -102,6 +102,14 @@ config M25PXX_USE_FAST_READ + help + This option enables FAST_READ access supported by ST M25Pxx. + ++config M25PXX_PREFER_SMALL_SECTOR_ERASE ++ bool "Prefer small sector erase" ++ depends on MTD_M25P80 ++ default y ++ help ++ This option enables use of the small erase sectors if that is ++ supported by the flash chip. ++ + config MTD_SST25L + tristate "Support SST25L (non JEDEC) SPI Flash chips" + depends on SPI_MASTER +--- a/drivers/mtd/devices/m25p80.c ++++ b/drivers/mtd/devices/m25p80.c +@@ -84,6 +84,12 @@ + + #define JEDEC_MFR(_jedec_id) ((_jedec_id) >> 16) + ++#ifdef CONFIG_M25PXX_PREFER_SMALL_SECTOR_ERASE ++#define PREFER_SMALL_SECTOR_ERASE 1 ++#else ++#define PREFER_SMALL_SECTOR_ERASE 0 ++#endif ++ + /****************************************************************************/ + + struct m25p { +@@ -925,7 +931,7 @@ static int __devinit m25p_probe(struct s + flash->mtd.write = m25p80_write; + + /* prefer "small sector" erase if possible */ +- if (info->flags & SECT_4K) { ++ if (PREFER_SMALL_SECTOR_ERASE && (info->flags & SECT_4K)) { + flash->erase_opcode = OPCODE_BE_4K; + flash->mtd.erasesize = 4096; + } else if (info->flags & SECT_4K_PMC) { diff --git a/target/linux/generic/patches-3.6/477-mtd-m25p80-add-support-for-the-EON-EN25Q64-chip.patch b/target/linux/generic/patches-3.6/477-mtd-m25p80-add-support-for-the-EON-EN25Q64-chip.patch new file mode 100644 index 0000000000..439cbde163 --- /dev/null +++ b/target/linux/generic/patches-3.6/477-mtd-m25p80-add-support-for-the-EON-EN25Q64-chip.patch @@ -0,0 +1,10 @@ +--- a/drivers/mtd/devices/m25p80.c ++++ b/drivers/mtd/devices/m25p80.c +@@ -677,6 +677,7 @@ static const struct spi_device_id m25p_i + { "en25p32", INFO(0x1c2016, 0, 64 * 1024, 64, 0) }, + { "en25q32b", INFO(0x1c3016, 0, 64 * 1024, 64, 0) }, + { "en25p64", INFO(0x1c2017, 0, 64 * 1024, 128, 0) }, ++ { "en25q64", INFO(0x1c3017, 0, 64 * 1024, 128, SECT_4K) }, + + /* Intel/Numonyx -- xxxs33b */ + { "160s33b", INFO(0x898911, 0, 64 * 1024, 32, 0) }, diff --git a/target/linux/generic/patches-3.6/478-mtd-partial_eraseblock_unlock.patch b/target/linux/generic/patches-3.6/478-mtd-partial_eraseblock_unlock.patch new file mode 100644 index 0000000000..d60a428f09 --- /dev/null +++ b/target/linux/generic/patches-3.6/478-mtd-partial_eraseblock_unlock.patch @@ -0,0 +1,18 @@ +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -356,7 +356,14 @@ static int part_unlock(struct mtd_info * + static int part_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len) + { + struct mtd_part *part = PART(mtd); +- return part->master->_unlock(part->master, ofs + part->offset, len); ++ ++ ofs += part->offset; ++ if (mtd->flags & MTD_ERASE_PARTIAL) { ++ /* round up len to next erasesize and round down offset to prev block */ ++ len = (mtd_div_by_eb(len, part->master) + 1) * part->master->erasesize; ++ ofs &= ~(part->master->erasesize - 1); ++ } ++ return part->master->_unlock(part->master, ofs, len); + } + + static int part_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len) diff --git a/target/linux/generic/patches-3.6/500-yaffs_support.patch b/target/linux/generic/patches-3.6/500-yaffs_support.patch new file mode 100644 index 0000000000..7776dcfb90 --- /dev/null +++ b/target/linux/generic/patches-3.6/500-yaffs_support.patch @@ -0,0 +1,18 @@ +--- a/fs/Kconfig ++++ b/fs/Kconfig +@@ -35,6 +35,7 @@ source "fs/gfs2/Kconfig" + source "fs/ocfs2/Kconfig" + source "fs/btrfs/Kconfig" + source "fs/nilfs2/Kconfig" ++source "fs/yaffs2/Kconfig" + + endif # BLOCK + +--- a/fs/Makefile ++++ b/fs/Makefile +@@ -125,3 +125,5 @@ obj-$(CONFIG_GFS2_FS) += gfs2/ + obj-y += exofs/ # Multiple modules + obj-$(CONFIG_CEPH_FS) += ceph/ + obj-$(CONFIG_PSTORE) += pstore/ ++obj-$(CONFIG_YAFFS_FS) += yaffs2/ ++ diff --git a/target/linux/generic/patches-3.6/501-yaffs_cvs_2009_04_24.patch b/target/linux/generic/patches-3.6/501-yaffs_cvs_2009_04_24.patch new file mode 100644 index 0000000000..c334b17d08 --- /dev/null +++ b/target/linux/generic/patches-3.6/501-yaffs_cvs_2009_04_24.patch @@ -0,0 +1,12344 @@ +--- a/fs/yaffs2/devextras.h ++++ b/fs/yaffs2/devextras.h +@@ -14,194 +14,135 @@ + */ + + /* +- * This file is just holds extra declarations used during development. +- * Most of these are from kernel includes placed here so we can use them in +- * applications. ++ * This file is just holds extra declarations of macros that would normally ++ * be providesd in the Linux kernel. These macros have been written from ++ * scratch but are functionally equivalent to the Linux ones. + * + */ + + #ifndef __EXTRAS_H__ + #define __EXTRAS_H__ + +-#if defined WIN32 +-#define __inline__ __inline +-#define new newHack +-#endif +- +-#if !(defined __KERNEL__) || (defined WIN32) + +-/* User space defines */ ++#if !(defined __KERNEL__) + ++/* Definition of types */ + typedef unsigned char __u8; + typedef unsigned short __u16; + typedef unsigned __u32; + ++#endif ++ + /* +- * Simple doubly linked list implementation. +- * +- * Some of the internal functions ("__xxx") are useful when +- * manipulating whole lists rather than single entries, as +- * sometimes we already know the next/prev entries and we can +- * generate better code by using them directly rather than +- * using the generic single-entry routines. ++ * This is a simple doubly linked list implementation that matches the ++ * way the Linux kernel doubly linked list implementation works. + */ + +-#define prefetch(x) 1 +- +-struct list_head { +- struct list_head *next, *prev; ++struct ylist_head { ++ struct ylist_head *next; /* next in chain */ ++ struct ylist_head *prev; /* previous in chain */ + }; + +-#define LIST_HEAD_INIT(name) { &(name), &(name) } + +-#define LIST_HEAD(name) \ +- struct list_head name = LIST_HEAD_INIT(name) ++/* Initialise a static list */ ++#define YLIST_HEAD(name) \ ++struct ylist_head name = { &(name), &(name)} ++ + +-#define INIT_LIST_HEAD(ptr) do { \ +- (ptr)->next = (ptr); (ptr)->prev = (ptr); \ ++ ++/* Initialise a list head to an empty list */ ++#define YINIT_LIST_HEAD(p) \ ++do { \ ++ (p)->next = (p);\ ++ (p)->prev = (p); \ + } while (0) + +-/* +- * Insert a new entry between two known consecutive entries. +- * +- * This is only for internal list manipulation where we know +- * the prev/next entries already! +- */ +-static __inline__ void __list_add(struct list_head *new, +- struct list_head *prev, +- struct list_head *next) +-{ +- next->prev = new; +- new->next = next; +- new->prev = prev; +- prev->next = new; +-} + +-/** +- * list_add - add a new entry +- * @new: new entry to be added +- * @head: list head to add it after +- * +- * Insert a new entry after the specified head. +- * This is good for implementing stacks. +- */ +-static __inline__ void list_add(struct list_head *new, struct list_head *head) ++/* Add an element to a list */ ++static __inline__ void ylist_add(struct ylist_head *newEntry, ++ struct ylist_head *list) + { +- __list_add(new, head, head->next); +-} ++ struct ylist_head *listNext = list->next; ++ ++ list->next = newEntry; ++ newEntry->prev = list; ++ newEntry->next = listNext; ++ listNext->prev = newEntry; + +-/** +- * list_add_tail - add a new entry +- * @new: new entry to be added +- * @head: list head to add it before +- * +- * Insert a new entry before the specified head. +- * This is useful for implementing queues. +- */ +-static __inline__ void list_add_tail(struct list_head *new, +- struct list_head *head) +-{ +- __list_add(new, head->prev, head); + } + +-/* +- * Delete a list entry by making the prev/next entries +- * point to each other. +- * +- * This is only for internal list manipulation where we know +- * the prev/next entries already! +- */ +-static __inline__ void __list_del(struct list_head *prev, +- struct list_head *next) ++static __inline__ void ylist_add_tail(struct ylist_head *newEntry, ++ struct ylist_head *list) + { +- next->prev = prev; +- prev->next = next; ++ struct ylist_head *listPrev = list->prev; ++ ++ list->prev = newEntry; ++ newEntry->next = list; ++ newEntry->prev = listPrev; ++ listPrev->next = newEntry; ++ + } + +-/** +- * list_del - deletes entry from list. +- * @entry: the element to delete from the list. +- * Note: list_empty on entry does not return true after this, the entry is +- * in an undefined state. +- */ +-static __inline__ void list_del(struct list_head *entry) ++ ++/* Take an element out of its current list, with or without ++ * reinitialising the links.of the entry*/ ++static __inline__ void ylist_del(struct ylist_head *entry) + { +- __list_del(entry->prev, entry->next); ++ struct ylist_head *listNext = entry->next; ++ struct ylist_head *listPrev = entry->prev; ++ ++ listNext->prev = listPrev; ++ listPrev->next = listNext; ++ + } + +-/** +- * list_del_init - deletes entry from list and reinitialize it. +- * @entry: the element to delete from the list. +- */ +-static __inline__ void list_del_init(struct list_head *entry) ++static __inline__ void ylist_del_init(struct ylist_head *entry) + { +- __list_del(entry->prev, entry->next); +- INIT_LIST_HEAD(entry); ++ ylist_del(entry); ++ entry->next = entry->prev = entry; + } + +-/** +- * list_empty - tests whether a list is empty +- * @head: the list to test. +- */ +-static __inline__ int list_empty(struct list_head *head) ++ ++/* Test if the list is empty */ ++static __inline__ int ylist_empty(struct ylist_head *entry) + { +- return head->next == head; ++ return (entry->next == entry); + } + +-/** +- * list_splice - join two lists +- * @list: the new list to add. +- * @head: the place to add it in the first list. ++ ++/* ylist_entry takes a pointer to a list entry and offsets it to that ++ * we can find a pointer to the object it is embedded in. + */ +-static __inline__ void list_splice(struct list_head *list, +- struct list_head *head) +-{ +- struct list_head *first = list->next; + +- if (first != list) { +- struct list_head *last = list->prev; +- struct list_head *at = head->next; +- +- first->prev = head; +- head->next = first; +- +- last->next = at; +- at->prev = last; +- } +-} + +-/** +- * list_entry - get the struct for this entry +- * @ptr: the &struct list_head pointer. +- * @type: the type of the struct this is embedded in. +- * @member: the name of the list_struct within the struct. +- */ +-#define list_entry(ptr, type, member) \ +- ((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member))) +- +-/** +- * list_for_each - iterate over a list +- * @pos: the &struct list_head to use as a loop counter. +- * @head: the head for your list. +- */ +-#define list_for_each(pos, head) \ +- for (pos = (head)->next, prefetch(pos->next); pos != (head); \ +- pos = pos->next, prefetch(pos->next)) +- +-/** +- * list_for_each_safe - iterate over a list safe against removal +- * of list entry +- * @pos: the &struct list_head to use as a loop counter. +- * @n: another &struct list_head to use as temporary storage +- * @head: the head for your list. +- */ +-#define list_for_each_safe(pos, n, head) \ +- for (pos = (head)->next, n = pos->next; pos != (head); \ +- pos = n, n = pos->next) ++#define ylist_entry(entry, type, member) \ ++ ((type *)((char *)(entry)-(unsigned long)(&((type *)NULL)->member))) + +-/* +- * File types ++ ++/* ylist_for_each and list_for_each_safe iterate over lists. ++ * ylist_for_each_safe uses temporary storage to make the list delete safe + */ ++ ++#define ylist_for_each(itervar, list) \ ++ for (itervar = (list)->next; itervar != (list); itervar = itervar->next) ++ ++#define ylist_for_each_safe(itervar, saveVar, list) \ ++ for (itervar = (list)->next, saveVar = (list)->next->next; \ ++ itervar != (list); itervar = saveVar, saveVar = saveVar->next) ++ ++ ++#if !(defined __KERNEL__) ++ ++ ++#ifndef WIN32 ++#include <sys/stat.h> ++#endif ++ ++ ++#ifdef CONFIG_YAFFS_PROVIDE_DEFS ++/* File types */ ++ ++ + #define DT_UNKNOWN 0 + #define DT_FIFO 1 + #define DT_CHR 2 +@@ -212,6 +153,7 @@ static __inline__ void list_splice(struc + #define DT_SOCK 12 + #define DT_WHT 14 + ++ + #ifndef WIN32 + #include <sys/stat.h> + #endif +@@ -227,10 +169,6 @@ static __inline__ void list_splice(struc + #define ATTR_ATIME 16 + #define ATTR_MTIME 32 + #define ATTR_CTIME 64 +-#define ATTR_ATIME_SET 128 +-#define ATTR_MTIME_SET 256 +-#define ATTR_FORCE 512 /* Not a change, but a change it */ +-#define ATTR_ATTR_FLAG 1024 + + struct iattr { + unsigned int ia_valid; +@@ -244,21 +182,15 @@ struct iattr { + unsigned int ia_attr_flags; + }; + +-#define KERN_DEBUG ++#endif + + #else + +-#ifndef WIN32 + #include <linux/types.h> +-#include <linux/list.h> + #include <linux/fs.h> + #include <linux/stat.h> +-#endif + + #endif + +-#if defined WIN32 +-#undef new +-#endif + + #endif +--- a/fs/yaffs2/Kconfig ++++ b/fs/yaffs2/Kconfig +@@ -5,7 +5,7 @@ + config YAFFS_FS + tristate "YAFFS2 file system support" + default n +- depends on MTD ++ depends on MTD_BLOCK + select YAFFS_YAFFS1 + select YAFFS_YAFFS2 + help +@@ -43,7 +43,8 @@ config YAFFS_9BYTE_TAGS + format that you need to continue to support. New data written + also uses the older-style format. Note: Use of this option + generally requires that MTD's oob layout be adjusted to use the +- older-style format. See notes on tags formats and MTD versions. ++ older-style format. See notes on tags formats and MTD versions ++ in yaffs_mtdif1.c. + + If unsure, say N. + +@@ -109,26 +110,6 @@ config YAFFS_DISABLE_LAZY_LOAD + + If unsure, say N. + +-config YAFFS_CHECKPOINT_RESERVED_BLOCKS +- int "Reserved blocks for checkpointing" +- depends on YAFFS_YAFFS2 +- default 10 +- help +- Give the number of Blocks to reserve for checkpointing. +- Checkpointing saves the state at unmount so that mounting is +- much faster as a scan of all the flash to regenerate this state +- is not needed. These Blocks are reserved per partition, so if +- you have very small partitions the default (10) may be a mess +- for you. You can set this value to 0, but that does not mean +- checkpointing is disabled at all. There only won't be any +- specially reserved blocks for checkpointing, so if there is +- enough free space on the filesystem, it will be used for +- checkpointing. +- +- If unsure, leave at default (10), but don't wonder if there are +- always 2MB used on your large page device partition (10 x 2k +- pagesize). When using small partitions or when being very small +- on space, you probably want to set this to zero. + + config YAFFS_DISABLE_WIDE_TNODES + bool "Turn off wide tnodes" +--- a/fs/yaffs2/Makefile ++++ b/fs/yaffs2/Makefile +@@ -5,7 +5,6 @@ + obj-$(CONFIG_YAFFS_FS) += yaffs.o + + yaffs-y := yaffs_ecc.o yaffs_fs.o yaffs_guts.o yaffs_checkptrw.o +-yaffs-y += yaffs_packedtags2.o yaffs_nand.o yaffs_qsort.o ++yaffs-y += yaffs_packedtags1.o yaffs_packedtags2.o yaffs_nand.o yaffs_qsort.o + yaffs-y += yaffs_tagscompat.o yaffs_tagsvalidity.o +-yaffs-y += yaffs_mtdif1.o yaffs_packedtags1.o +-yaffs-y += yaffs_mtdif.o yaffs_mtdif2.o ++yaffs-y += yaffs_mtdif.o yaffs_mtdif1.o yaffs_mtdif2.o +--- a/fs/yaffs2/moduleconfig.h ++++ b/fs/yaffs2/moduleconfig.h +@@ -27,12 +27,12 @@ + + /* Default: Not selected */ + /* Meaning: Yaffs does its own ECC, rather than using MTD ECC */ +-//#define CONFIG_YAFFS_DOES_ECC ++/* #define CONFIG_YAFFS_DOES_ECC */ + + /* Default: Not selected */ + /* Meaning: ECC byte order is 'wrong'. Only meaningful if */ + /* CONFIG_YAFFS_DOES_ECC is set */ +-//#define CONFIG_YAFFS_ECC_WRONG_ORDER ++/* #define CONFIG_YAFFS_ECC_WRONG_ORDER */ + + /* Default: Selected */ + /* Meaning: Disables testing whether chunks are erased before writing to them*/ +@@ -54,11 +54,11 @@ that you need to continue to support. N + older-style format. + Note: Use of this option generally requires that MTD's oob layout be + adjusted to use the older-style format. See notes on tags formats and +-MTD versions. ++MTD versions in yaffs_mtdif1.c. + */ + /* Default: Not selected */ + /* Meaning: Use older-style on-NAND data format with pageStatus byte */ +-#define CONFIG_YAFFS_9BYTE_TAGS ++/* #define CONFIG_YAFFS_9BYTE_TAGS */ + + #endif /* YAFFS_OUT_OF_TREE */ + +--- a/fs/yaffs2/yaffs_checkptrw.c ++++ b/fs/yaffs2/yaffs_checkptrw.c +@@ -12,48 +12,43 @@ + */ + + const char *yaffs_checkptrw_c_version = +- "$Id: yaffs_checkptrw.c,v 1.14 2007-05-15 20:07:40 charles Exp $"; ++ "$Id: yaffs_checkptrw.c,v 1.18 2009-03-06 17:20:49 wookey Exp $"; + + + #include "yaffs_checkptrw.h" +- ++#include "yaffs_getblockinfo.h" + + static int yaffs_CheckpointSpaceOk(yaffs_Device *dev) + { +- + int blocksAvailable = dev->nErasedBlocks - dev->nReservedBlocks; + + T(YAFFS_TRACE_CHECKPOINT, + (TSTR("checkpt blocks available = %d" TENDSTR), + blocksAvailable)); + +- + return (blocksAvailable <= 0) ? 0 : 1; + } + + + static int yaffs_CheckpointErase(yaffs_Device *dev) + { +- + int i; + +- +- if(!dev->eraseBlockInNAND) ++ if (!dev->eraseBlockInNAND) + return 0; +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("checking blocks %d to %d"TENDSTR), +- dev->internalStartBlock,dev->internalEndBlock)); ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checking blocks %d to %d"TENDSTR), ++ dev->internalStartBlock, dev->internalEndBlock)); + +- for(i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) { +- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,i); +- if(bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT){ +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("erasing checkpt block %d"TENDSTR),i)); +- if(dev->eraseBlockInNAND(dev,i- dev->blockOffset /* realign */)){ ++ for (i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) { ++ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, i); ++ if (bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("erasing checkpt block %d"TENDSTR), i)); ++ if (dev->eraseBlockInNAND(dev, i - dev->blockOffset /* realign */)) { + bi->blockState = YAFFS_BLOCK_STATE_EMPTY; + dev->nErasedBlocks++; + dev->nFreeChunks += dev->nChunksPerBlock; +- } +- else { +- dev->markNANDBlockBad(dev,i); ++ } else { ++ dev->markNANDBlockBad(dev, i); + bi->blockState = YAFFS_BLOCK_STATE_DEAD; + } + } +@@ -71,23 +66,23 @@ static void yaffs_CheckpointFindNextEras + int blocksAvailable = dev->nErasedBlocks - dev->nReservedBlocks; + T(YAFFS_TRACE_CHECKPOINT, + (TSTR("allocating checkpt block: erased %d reserved %d avail %d next %d "TENDSTR), +- dev->nErasedBlocks,dev->nReservedBlocks,blocksAvailable,dev->checkpointNextBlock)); ++ dev->nErasedBlocks, dev->nReservedBlocks, blocksAvailable, dev->checkpointNextBlock)); + +- if(dev->checkpointNextBlock >= 0 && +- dev->checkpointNextBlock <= dev->internalEndBlock && +- blocksAvailable > 0){ +- +- for(i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++){ +- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,i); +- if(bi->blockState == YAFFS_BLOCK_STATE_EMPTY){ ++ if (dev->checkpointNextBlock >= 0 && ++ dev->checkpointNextBlock <= dev->internalEndBlock && ++ blocksAvailable > 0) { ++ ++ for (i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++) { ++ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, i); ++ if (bi->blockState == YAFFS_BLOCK_STATE_EMPTY) { + dev->checkpointNextBlock = i + 1; + dev->checkpointCurrentBlock = i; +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("allocating checkpt block %d"TENDSTR),i)); ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("allocating checkpt block %d"TENDSTR), i)); + return; + } + } + } +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("out of checkpt blocks"TENDSTR))); ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("out of checkpt blocks"TENDSTR))); + + dev->checkpointNextBlock = -1; + dev->checkpointCurrentBlock = -1; +@@ -98,30 +93,31 @@ static void yaffs_CheckpointFindNextChec + int i; + yaffs_ExtendedTags tags; + +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("find next checkpt block: start: blocks %d next %d" TENDSTR), ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("find next checkpt block: start: blocks %d next %d" TENDSTR), + dev->blocksInCheckpoint, dev->checkpointNextBlock)); + +- if(dev->blocksInCheckpoint < dev->checkpointMaxBlocks) +- for(i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++){ ++ if (dev->blocksInCheckpoint < dev->checkpointMaxBlocks) ++ for (i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++) { + int chunk = i * dev->nChunksPerBlock; + int realignedChunk = chunk - dev->chunkOffset; + +- dev->readChunkWithTagsFromNAND(dev,realignedChunk,NULL,&tags); +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("find next checkpt block: search: block %d oid %d seq %d eccr %d" TENDSTR), +- i, tags.objectId,tags.sequenceNumber,tags.eccResult)); ++ dev->readChunkWithTagsFromNAND(dev, realignedChunk, ++ NULL, &tags); ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("find next checkpt block: search: block %d oid %d seq %d eccr %d" TENDSTR), ++ i, tags.objectId, tags.sequenceNumber, tags.eccResult)); + +- if(tags.sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA){ ++ if (tags.sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA) { + /* Right kind of block */ + dev->checkpointNextBlock = tags.objectId; + dev->checkpointCurrentBlock = i; + dev->checkpointBlockList[dev->blocksInCheckpoint] = i; + dev->blocksInCheckpoint++; +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("found checkpt block %d"TENDSTR),i)); ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("found checkpt block %d"TENDSTR), i)); + return; + } + } + +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("found no more checkpt blocks"TENDSTR))); ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("found no more checkpt blocks"TENDSTR))); + + dev->checkpointNextBlock = -1; + dev->checkpointCurrentBlock = -1; +@@ -133,17 +129,17 @@ int yaffs_CheckpointOpen(yaffs_Device *d + + /* Got the functions we need? */ + if (!dev->writeChunkWithTagsToNAND || +- !dev->readChunkWithTagsFromNAND || +- !dev->eraseBlockInNAND || +- !dev->markNANDBlockBad) ++ !dev->readChunkWithTagsFromNAND || ++ !dev->eraseBlockInNAND || ++ !dev->markNANDBlockBad) + return 0; + +- if(forWriting && !yaffs_CheckpointSpaceOk(dev)) ++ if (forWriting && !yaffs_CheckpointSpaceOk(dev)) + return 0; + +- if(!dev->checkpointBuffer) +- dev->checkpointBuffer = YMALLOC_DMA(dev->nDataBytesPerChunk); +- if(!dev->checkpointBuffer) ++ if (!dev->checkpointBuffer) ++ dev->checkpointBuffer = YMALLOC_DMA(dev->totalBytesPerChunk); ++ if (!dev->checkpointBuffer) + return 0; + + +@@ -159,12 +155,10 @@ int yaffs_CheckpointOpen(yaffs_Device *d + dev->checkpointNextBlock = dev->internalStartBlock; + + /* Erase all the blocks in the checkpoint area */ +- if(forWriting){ +- memset(dev->checkpointBuffer,0,dev->nDataBytesPerChunk); ++ if (forWriting) { ++ memset(dev->checkpointBuffer, 0, dev->nDataBytesPerChunk); + dev->checkpointByteOffset = 0; + return yaffs_CheckpointErase(dev); +- +- + } else { + int i; + /* Set to a value that will kick off a read */ +@@ -174,7 +168,7 @@ int yaffs_CheckpointOpen(yaffs_Device *d + dev->blocksInCheckpoint = 0; + dev->checkpointMaxBlocks = (dev->internalEndBlock - dev->internalStartBlock)/16 + 2; + dev->checkpointBlockList = YMALLOC(sizeof(int) * dev->checkpointMaxBlocks); +- for(i = 0; i < dev->checkpointMaxBlocks; i++) ++ for (i = 0; i < dev->checkpointMaxBlocks; i++) + dev->checkpointBlockList[i] = -1; + } + +@@ -191,18 +185,17 @@ int yaffs_GetCheckpointSum(yaffs_Device + + static int yaffs_CheckpointFlushBuffer(yaffs_Device *dev) + { +- + int chunk; + int realignedChunk; + + yaffs_ExtendedTags tags; + +- if(dev->checkpointCurrentBlock < 0){ ++ if (dev->checkpointCurrentBlock < 0) { + yaffs_CheckpointFindNextErasedBlock(dev); + dev->checkpointCurrentChunk = 0; + } + +- if(dev->checkpointCurrentBlock < 0) ++ if (dev->checkpointCurrentBlock < 0) + return 0; + + tags.chunkDeleted = 0; +@@ -210,10 +203,10 @@ static int yaffs_CheckpointFlushBuffer(y + tags.chunkId = dev->checkpointPageSequence + 1; + tags.sequenceNumber = YAFFS_SEQUENCE_CHECKPOINT_DATA; + tags.byteCount = dev->nDataBytesPerChunk; +- if(dev->checkpointCurrentChunk == 0){ ++ if (dev->checkpointCurrentChunk == 0) { + /* First chunk we write for the block? Set block state to + checkpoint */ +- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,dev->checkpointCurrentBlock); ++ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, dev->checkpointCurrentBlock); + bi->blockState = YAFFS_BLOCK_STATE_CHECKPOINT; + dev->blocksInCheckpoint++; + } +@@ -221,28 +214,29 @@ static int yaffs_CheckpointFlushBuffer(y + chunk = dev->checkpointCurrentBlock * dev->nChunksPerBlock + dev->checkpointCurrentChunk; + + +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("checkpoint wite buffer nand %d(%d:%d) objid %d chId %d" TENDSTR), +- chunk, dev->checkpointCurrentBlock, dev->checkpointCurrentChunk,tags.objectId,tags.chunkId)); ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint wite buffer nand %d(%d:%d) objid %d chId %d" TENDSTR), ++ chunk, dev->checkpointCurrentBlock, dev->checkpointCurrentChunk, tags.objectId, tags.chunkId)); + + realignedChunk = chunk - dev->chunkOffset; + +- dev->writeChunkWithTagsToNAND(dev,realignedChunk,dev->checkpointBuffer,&tags); ++ dev->writeChunkWithTagsToNAND(dev, realignedChunk, ++ dev->checkpointBuffer, &tags); + dev->checkpointByteOffset = 0; + dev->checkpointPageSequence++; + dev->checkpointCurrentChunk++; +- if(dev->checkpointCurrentChunk >= dev->nChunksPerBlock){ ++ if (dev->checkpointCurrentChunk >= dev->nChunksPerBlock) { + dev->checkpointCurrentChunk = 0; + dev->checkpointCurrentBlock = -1; + } +- memset(dev->checkpointBuffer,0,dev->nDataBytesPerChunk); ++ memset(dev->checkpointBuffer, 0, dev->nDataBytesPerChunk); + + return 1; + } + + +-int yaffs_CheckpointWrite(yaffs_Device *dev,const void *data, int nBytes) ++int yaffs_CheckpointWrite(yaffs_Device *dev, const void *data, int nBytes) + { +- int i=0; ++ int i = 0; + int ok = 1; + + +@@ -250,17 +244,14 @@ int yaffs_CheckpointWrite(yaffs_Device * + + + +- if(!dev->checkpointBuffer) ++ if (!dev->checkpointBuffer) + return 0; + +- if(!dev->checkpointOpenForWrite) ++ if (!dev->checkpointOpenForWrite) + return -1; + +- while(i < nBytes && ok) { +- +- +- +- dev->checkpointBuffer[dev->checkpointByteOffset] = *dataBytes ; ++ while (i < nBytes && ok) { ++ dev->checkpointBuffer[dev->checkpointByteOffset] = *dataBytes; + dev->checkpointSum += *dataBytes; + dev->checkpointXor ^= *dataBytes; + +@@ -270,18 +261,17 @@ int yaffs_CheckpointWrite(yaffs_Device * + dev->checkpointByteCount++; + + +- if(dev->checkpointByteOffset < 0 || ++ if (dev->checkpointByteOffset < 0 || + dev->checkpointByteOffset >= dev->nDataBytesPerChunk) + ok = yaffs_CheckpointFlushBuffer(dev); +- + } + +- return i; ++ return i; + } + + int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes) + { +- int i=0; ++ int i = 0; + int ok = 1; + yaffs_ExtendedTags tags; + +@@ -291,52 +281,54 @@ int yaffs_CheckpointRead(yaffs_Device *d + + __u8 *dataBytes = (__u8 *)data; + +- if(!dev->checkpointBuffer) ++ if (!dev->checkpointBuffer) + return 0; + +- if(dev->checkpointOpenForWrite) ++ if (dev->checkpointOpenForWrite) + return -1; + +- while(i < nBytes && ok) { ++ while (i < nBytes && ok) { + + +- if(dev->checkpointByteOffset < 0 || +- dev->checkpointByteOffset >= dev->nDataBytesPerChunk) { ++ if (dev->checkpointByteOffset < 0 || ++ dev->checkpointByteOffset >= dev->nDataBytesPerChunk) { + +- if(dev->checkpointCurrentBlock < 0){ ++ if (dev->checkpointCurrentBlock < 0) { + yaffs_CheckpointFindNextCheckpointBlock(dev); + dev->checkpointCurrentChunk = 0; + } + +- if(dev->checkpointCurrentBlock < 0) ++ if (dev->checkpointCurrentBlock < 0) + ok = 0; + else { +- +- chunk = dev->checkpointCurrentBlock * dev->nChunksPerBlock + +- dev->checkpointCurrentChunk; ++ chunk = dev->checkpointCurrentBlock * ++ dev->nChunksPerBlock + ++ dev->checkpointCurrentChunk; + + realignedChunk = chunk - dev->chunkOffset; + +- /* read in the next chunk */ +- /* printf("read checkpoint page %d\n",dev->checkpointPage); */ +- dev->readChunkWithTagsFromNAND(dev, realignedChunk, +- dev->checkpointBuffer, +- &tags); +- +- if(tags.chunkId != (dev->checkpointPageSequence + 1) || +- tags.sequenceNumber != YAFFS_SEQUENCE_CHECKPOINT_DATA) +- ok = 0; ++ /* read in the next chunk */ ++ /* printf("read checkpoint page %d\n",dev->checkpointPage); */ ++ dev->readChunkWithTagsFromNAND(dev, ++ realignedChunk, ++ dev->checkpointBuffer, ++ &tags); ++ ++ if (tags.chunkId != (dev->checkpointPageSequence + 1) || ++ tags.eccResult > YAFFS_ECC_RESULT_FIXED || ++ tags.sequenceNumber != YAFFS_SEQUENCE_CHECKPOINT_DATA) ++ ok = 0; + + dev->checkpointByteOffset = 0; + dev->checkpointPageSequence++; + dev->checkpointCurrentChunk++; + +- if(dev->checkpointCurrentChunk >= dev->nChunksPerBlock) ++ if (dev->checkpointCurrentChunk >= dev->nChunksPerBlock) + dev->checkpointCurrentBlock = -1; + } + } + +- if(ok){ ++ if (ok) { + *dataBytes = dev->checkpointBuffer[dev->checkpointByteOffset]; + dev->checkpointSum += *dataBytes; + dev->checkpointXor ^= *dataBytes; +@@ -353,17 +345,17 @@ int yaffs_CheckpointRead(yaffs_Device *d + int yaffs_CheckpointClose(yaffs_Device *dev) + { + +- if(dev->checkpointOpenForWrite){ +- if(dev->checkpointByteOffset != 0) ++ if (dev->checkpointOpenForWrite) { ++ if (dev->checkpointByteOffset != 0) + yaffs_CheckpointFlushBuffer(dev); + } else { + int i; +- for(i = 0; i < dev->blocksInCheckpoint && dev->checkpointBlockList[i] >= 0; i++){ +- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,dev->checkpointBlockList[i]); +- if(bi->blockState == YAFFS_BLOCK_STATE_EMPTY) ++ for (i = 0; i < dev->blocksInCheckpoint && dev->checkpointBlockList[i] >= 0; i++) { ++ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, dev->checkpointBlockList[i]); ++ if (bi->blockState == YAFFS_BLOCK_STATE_EMPTY) + bi->blockState = YAFFS_BLOCK_STATE_CHECKPOINT; + else { +- // Todo this looks odd... ++ /* Todo this looks odd... */ + } + } + YFREE(dev->checkpointBlockList); +@@ -374,27 +366,25 @@ int yaffs_CheckpointClose(yaffs_Device * + dev->nErasedBlocks -= dev->blocksInCheckpoint; + + +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("checkpoint byte count %d" TENDSTR), ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint byte count %d" TENDSTR), + dev->checkpointByteCount)); + +- if(dev->checkpointBuffer){ ++ if (dev->checkpointBuffer) { + /* free the buffer */ + YFREE(dev->checkpointBuffer); + dev->checkpointBuffer = NULL; + return 1; +- } +- else ++ } else + return 0; +- + } + + int yaffs_CheckpointInvalidateStream(yaffs_Device *dev) + { + /* Erase the first checksum block */ + +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("checkpoint invalidate"TENDSTR))); ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint invalidate"TENDSTR))); + +- if(!yaffs_CheckpointSpaceOk(dev)) ++ if (!yaffs_CheckpointSpaceOk(dev)) + return 0; + + return yaffs_CheckpointErase(dev); +--- a/fs/yaffs2/yaffs_checkptrw.h ++++ b/fs/yaffs2/yaffs_checkptrw.h +@@ -20,9 +20,9 @@ + + int yaffs_CheckpointOpen(yaffs_Device *dev, int forWriting); + +-int yaffs_CheckpointWrite(yaffs_Device *dev,const void *data, int nBytes); ++int yaffs_CheckpointWrite(yaffs_Device *dev, const void *data, int nBytes); + +-int yaffs_CheckpointRead(yaffs_Device *dev,void *data, int nBytes); ++int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes); + + int yaffs_GetCheckpointSum(yaffs_Device *dev, __u32 *sum); + +--- a/fs/yaffs2/yaffs_ecc.c ++++ b/fs/yaffs2/yaffs_ecc.c +@@ -29,7 +29,7 @@ + */ + + const char *yaffs_ecc_c_version = +- "$Id: yaffs_ecc.c,v 1.9 2007-02-14 01:09:06 wookey Exp $"; ++ "$Id: yaffs_ecc.c,v 1.11 2009-03-06 17:20:50 wookey Exp $"; + + #include "yportenv.h" + +@@ -109,12 +109,10 @@ void yaffs_ECCCalculate(const unsigned c + b = column_parity_table[*data++]; + col_parity ^= b; + +- if (b & 0x01) // odd number of bits in the byte +- { ++ if (b & 0x01) { /* odd number of bits in the byte */ + line_parity ^= i; + line_parity_prime ^= ~i; + } +- + } + + ecc[2] = (~col_parity) | 0x03; +@@ -158,7 +156,7 @@ void yaffs_ECCCalculate(const unsigned c + ecc[0] = ~t; + + #ifdef CONFIG_YAFFS_ECC_WRONG_ORDER +- // Swap the bytes into the wrong order ++ /* Swap the bytes into the wrong order */ + t = ecc[0]; + ecc[0] = ecc[1]; + ecc[1] = t; +@@ -189,7 +187,7 @@ int yaffs_ECCCorrect(unsigned char *data + unsigned bit; + + #ifdef CONFIG_YAFFS_ECC_WRONG_ORDER +- // swap the bytes to correct for the wrong order ++ /* swap the bytes to correct for the wrong order */ + unsigned char t; + + t = d0; +@@ -251,7 +249,7 @@ int yaffs_ECCCorrect(unsigned char *data + * ECCxxxOther does ECC calcs on arbitrary n bytes of data + */ + void yaffs_ECCCalculateOther(const unsigned char *data, unsigned nBytes, +- yaffs_ECCOther * eccOther) ++ yaffs_ECCOther *eccOther) + { + unsigned int i; + +@@ -278,8 +276,8 @@ void yaffs_ECCCalculateOther(const unsig + } + + int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes, +- yaffs_ECCOther * read_ecc, +- const yaffs_ECCOther * test_ecc) ++ yaffs_ECCOther *read_ecc, ++ const yaffs_ECCOther *test_ecc) + { + unsigned char cDelta; /* column parity delta */ + unsigned lDelta; /* line parity delta */ +@@ -294,8 +292,7 @@ int yaffs_ECCCorrectOther(unsigned char + return 0; /* no error */ + + if (lDelta == ~lDeltaPrime && +- (((cDelta ^ (cDelta >> 1)) & 0x15) == 0x15)) +- { ++ (((cDelta ^ (cDelta >> 1)) & 0x15) == 0x15)) { + /* Single bit (recoverable) error in data */ + + bit = 0; +@@ -307,7 +304,7 @@ int yaffs_ECCCorrectOther(unsigned char + if (cDelta & 0x02) + bit |= 0x01; + +- if(lDelta >= nBytes) ++ if (lDelta >= nBytes) + return -1; + + data[lDelta] ^= (1 << bit); +@@ -316,7 +313,7 @@ int yaffs_ECCCorrectOther(unsigned char + } + + if ((yaffs_CountBits32(lDelta) + yaffs_CountBits32(lDeltaPrime) + +- yaffs_CountBits(cDelta)) == 1) { ++ yaffs_CountBits(cDelta)) == 1) { + /* Reccoverable error in ecc */ + + *read_ecc = *test_ecc; +@@ -326,6 +323,4 @@ int yaffs_ECCCorrectOther(unsigned char + /* Unrecoverable error */ + + return -1; +- + } +- +--- a/fs/yaffs2/yaffs_ecc.h ++++ b/fs/yaffs2/yaffs_ecc.h +@@ -13,15 +13,15 @@ + * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. + */ + +- /* +- * This code implements the ECC algorithm used in SmartMedia. +- * +- * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes. +- * The two unused bit are set to 1. +- * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC +- * blocks are used on a 512-byte NAND page. +- * +- */ ++/* ++ * This code implements the ECC algorithm used in SmartMedia. ++ * ++ * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes. ++ * The two unused bit are set to 1. ++ * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC ++ * blocks are used on a 512-byte NAND page. ++ * ++ */ + + #ifndef __YAFFS_ECC_H__ + #define __YAFFS_ECC_H__ +@@ -34,11 +34,11 @@ typedef struct { + + void yaffs_ECCCalculate(const unsigned char *data, unsigned char *ecc); + int yaffs_ECCCorrect(unsigned char *data, unsigned char *read_ecc, +- const unsigned char *test_ecc); ++ const unsigned char *test_ecc); + + void yaffs_ECCCalculateOther(const unsigned char *data, unsigned nBytes, +- yaffs_ECCOther * ecc); ++ yaffs_ECCOther *ecc); + int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes, +- yaffs_ECCOther * read_ecc, +- const yaffs_ECCOther * test_ecc); ++ yaffs_ECCOther *read_ecc, ++ const yaffs_ECCOther *test_ecc); + #endif +--- a/fs/yaffs2/yaffs_fs.c ++++ b/fs/yaffs2/yaffs_fs.c +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2009 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -32,18 +32,17 @@ + */ + + const char *yaffs_fs_c_version = +- "$Id: yaffs_fs.c,v 1.63 2007-09-19 20:35:40 imcd Exp $"; ++ "$Id: yaffs_fs.c,v 1.79 2009-03-17 01:12:00 wookey Exp $"; + extern const char *yaffs_guts_c_version; + + #include <linux/version.h> +-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)) ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)) + #include <linux/config.h> + #endif + #include <linux/kernel.h> + #include <linux/module.h> + #include <linux/slab.h> + #include <linux/init.h> +-#include <linux/list.h> + #include <linux/fs.h> + #include <linux/proc_fs.h> + #include <linux/smp_lock.h> +@@ -53,10 +52,12 @@ extern const char *yaffs_guts_c_version; + #include <linux/string.h> + #include <linux/ctype.h> + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) ++#include "asm/div64.h" ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + + #include <linux/statfs.h> /* Added NCB 15-8-2003 */ +-#include <asm/statfs.h> ++#include <linux/statfs.h> + #define UnlockPage(p) unlock_page(p) + #define Page_Uptodate(page) test_bit(PG_uptodate, &(page)->flags) + +@@ -69,22 +70,45 @@ extern const char *yaffs_guts_c_version; + #define BDEVNAME_SIZE 0 + #define yaffs_devname(sb, buf) kdevname(sb->s_dev) + +-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0)) + /* added NCB 26/5/2006 for 2.4.25-vrs2-tcl1 kernel */ + #define __user + #endif + + #endif + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26)) ++#define YPROC_ROOT (&proc_root) ++#else ++#define YPROC_ROOT NULL ++#endif ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) + #define WRITE_SIZE_STR "writesize" +-#define WRITE_SIZE(mtd) (mtd)->writesize ++#define WRITE_SIZE(mtd) ((mtd)->writesize) + #else + #define WRITE_SIZE_STR "oobblock" +-#define WRITE_SIZE(mtd) (mtd)->oobblock ++#define WRITE_SIZE(mtd) ((mtd)->oobblock) + #endif + +-#include <asm/uaccess.h> ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 27)) ++#define YAFFS_USE_WRITE_BEGIN_END 1 ++#else ++#define YAFFS_USE_WRITE_BEGIN_END 0 ++#endif ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 28)) ++static uint32_t YCALCBLOCKS(uint64_t partition_size, uint32_t block_size) ++{ ++ uint64_t result = partition_size; ++ do_div(result, block_size); ++ return (uint32_t)result; ++} ++#else ++#define YCALCBLOCKS(s, b) ((s)/(b)) ++#endif ++ ++#include <linux/uaccess.h> + + #include "yportenv.h" + #include "yaffs_guts.h" +@@ -96,28 +120,44 @@ extern const char *yaffs_guts_c_version; + + unsigned int yaffs_traceMask = YAFFS_TRACE_BAD_BLOCKS; + unsigned int yaffs_wr_attempts = YAFFS_WR_ATTEMPTS; ++unsigned int yaffs_auto_checkpoint = 1; + + /* Module Parameters */ +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) +-module_param(yaffs_traceMask,uint,0644); +-module_param(yaffs_wr_attempts,uint,0644); ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++module_param(yaffs_traceMask, uint, 0644); ++module_param(yaffs_wr_attempts, uint, 0644); ++module_param(yaffs_auto_checkpoint, uint, 0644); ++#else ++MODULE_PARM(yaffs_traceMask, "i"); ++MODULE_PARM(yaffs_wr_attempts, "i"); ++MODULE_PARM(yaffs_auto_checkpoint, "i"); ++#endif ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25)) ++/* use iget and read_inode */ ++#define Y_IGET(sb, inum) iget((sb), (inum)) ++static void yaffs_read_inode(struct inode *inode); ++ + #else +-MODULE_PARM(yaffs_traceMask,"i"); +-MODULE_PARM(yaffs_wr_attempts,"i"); ++/* Call local equivalent */ ++#define YAFFS_USE_OWN_IGET ++#define Y_IGET(sb, inum) yaffs_iget((sb), (inum)) ++ ++static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino); + #endif + + /*#define T(x) printk x */ + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,18)) +-#define yaffs_InodeToObjectLV(iptr) (iptr)->i_private ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 18)) ++#define yaffs_InodeToObjectLV(iptr) ((iptr)->i_private) + #else +-#define yaffs_InodeToObjectLV(iptr) (iptr)->u.generic_ip ++#define yaffs_InodeToObjectLV(iptr) ((iptr)->u.generic_ip) + #endif + + #define yaffs_InodeToObject(iptr) ((yaffs_Object *)(yaffs_InodeToObjectLV(iptr))) + #define yaffs_DentryToObject(dptr) yaffs_InodeToObject((dptr)->d_inode) + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + #define yaffs_SuperToDevice(sb) ((yaffs_Device *)sb->s_fs_info) + #else + #define yaffs_SuperToDevice(sb) ((yaffs_Device *)sb->u.generic_sbp) +@@ -126,47 +166,49 @@ MODULE_PARM(yaffs_wr_attempts,"i"); + static void yaffs_put_super(struct super_block *sb); + + static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n, +- loff_t * pos); ++ loff_t *pos); ++static ssize_t yaffs_hold_space(struct file *f); ++static void yaffs_release_space(struct file *f); + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) + static int yaffs_file_flush(struct file *file, fl_owner_t id); + #else + static int yaffs_file_flush(struct file *file); + #endif + + static int yaffs_sync_object(struct file *file, struct dentry *dentry, +- int datasync); ++ int datasync); + + static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir); + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode, + struct nameidata *n); + static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry, +- struct nameidata *n); ++ struct nameidata *n); + #else + static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode); + static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry); + #endif + static int yaffs_link(struct dentry *old_dentry, struct inode *dir, +- struct dentry *dentry); ++ struct dentry *dentry); + static int yaffs_unlink(struct inode *dir, struct dentry *dentry); + static int yaffs_symlink(struct inode *dir, struct dentry *dentry, +- const char *symname); ++ const char *symname); + static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode); + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, +- dev_t dev); ++ dev_t dev); + #else + static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, +- int dev); ++ int dev); + #endif + static int yaffs_rename(struct inode *old_dir, struct dentry *old_dentry, + struct inode *new_dir, struct dentry *new_dentry); + static int yaffs_setattr(struct dentry *dentry, struct iattr *attr); + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) + static int yaffs_sync_fs(struct super_block *sb, int wait); + static void yaffs_write_super(struct super_block *sb); + #else +@@ -174,33 +216,47 @@ static int yaffs_sync_fs(struct super_bl + static int yaffs_write_super(struct super_block *sb); + #endif + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) + static int yaffs_statfs(struct dentry *dentry, struct kstatfs *buf); +-#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) ++#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + static int yaffs_statfs(struct super_block *sb, struct kstatfs *buf); + #else + static int yaffs_statfs(struct super_block *sb, struct statfs *buf); + #endif +-static void yaffs_read_inode(struct inode *inode); + ++#ifdef YAFFS_HAS_PUT_INODE + static void yaffs_put_inode(struct inode *inode); ++#endif ++ + static void yaffs_delete_inode(struct inode *); + static void yaffs_clear_inode(struct inode *); + + static int yaffs_readpage(struct file *file, struct page *page); +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + static int yaffs_writepage(struct page *page, struct writeback_control *wbc); + #else + static int yaffs_writepage(struct page *page); + #endif ++ ++ ++#if (YAFFS_USE_WRITE_BEGIN_END != 0) ++static int yaffs_write_begin(struct file *filp, struct address_space *mapping, ++ loff_t pos, unsigned len, unsigned flags, ++ struct page **pagep, void **fsdata); ++static int yaffs_write_end(struct file *filp, struct address_space *mapping, ++ loff_t pos, unsigned len, unsigned copied, ++ struct page *pg, void *fsdadata); ++#else + static int yaffs_prepare_write(struct file *f, struct page *pg, +- unsigned offset, unsigned to); ++ unsigned offset, unsigned to); + static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset, +- unsigned to); ++ unsigned to); + +-static int yaffs_readlink(struct dentry *dentry, char __user * buffer, +- int buflen); +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13)) ++#endif ++ ++static int yaffs_readlink(struct dentry *dentry, char __user *buffer, ++ int buflen); ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13)) + static void *yaffs_follow_link(struct dentry *dentry, struct nameidata *nd); + #else + static int yaffs_follow_link(struct dentry *dentry, struct nameidata *nd); +@@ -209,12 +265,17 @@ static int yaffs_follow_link(struct dent + static struct address_space_operations yaffs_file_address_operations = { + .readpage = yaffs_readpage, + .writepage = yaffs_writepage, ++#if (YAFFS_USE_WRITE_BEGIN_END > 0) ++ .write_begin = yaffs_write_begin, ++ .write_end = yaffs_write_end, ++#else + .prepare_write = yaffs_prepare_write, + .commit_write = yaffs_commit_write, ++#endif + }; + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,22)) +-static struct file_operations yaffs_file_operations = { ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 22)) ++static const struct file_operations yaffs_file_operations = { + .read = do_sync_read, + .write = do_sync_write, + .aio_read = generic_file_aio_read, +@@ -224,11 +285,12 @@ static struct file_operations yaffs_file + .fsync = yaffs_sync_object, + .splice_read = generic_file_splice_read, + .splice_write = generic_file_splice_write, ++ .llseek = generic_file_llseek, + }; + +-#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,18)) ++#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 18)) + +-static struct file_operations yaffs_file_operations = { ++static const struct file_operations yaffs_file_operations = { + .read = do_sync_read, + .write = do_sync_write, + .aio_read = generic_file_aio_read, +@@ -241,29 +303,29 @@ static struct file_operations yaffs_file + + #else + +-static struct file_operations yaffs_file_operations = { ++static const struct file_operations yaffs_file_operations = { + .read = generic_file_read, + .write = generic_file_write, + .mmap = generic_file_mmap, + .flush = yaffs_file_flush, + .fsync = yaffs_sync_object, +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + .sendfile = generic_file_sendfile, + #endif + }; + #endif + +-static struct inode_operations yaffs_file_inode_operations = { ++static const struct inode_operations yaffs_file_inode_operations = { + .setattr = yaffs_setattr, + }; + +-static struct inode_operations yaffs_symlink_inode_operations = { ++static const struct inode_operations yaffs_symlink_inode_operations = { + .readlink = yaffs_readlink, + .follow_link = yaffs_follow_link, + .setattr = yaffs_setattr, + }; + +-static struct inode_operations yaffs_dir_inode_operations = { ++static const struct inode_operations yaffs_dir_inode_operations = { + .create = yaffs_create, + .lookup = yaffs_lookup, + .link = yaffs_link, +@@ -276,16 +338,21 @@ static struct inode_operations yaffs_dir + .setattr = yaffs_setattr, + }; + +-static struct file_operations yaffs_dir_operations = { ++static const struct file_operations yaffs_dir_operations = { + .read = generic_read_dir, + .readdir = yaffs_readdir, + .fsync = yaffs_sync_object, + }; + +-static struct super_operations yaffs_super_ops = { ++static const struct super_operations yaffs_super_ops = { + .statfs = yaffs_statfs, ++ ++#ifndef YAFFS_USE_OWN_IGET + .read_inode = yaffs_read_inode, ++#endif ++#ifdef YAFFS_HAS_PUT_INODE + .put_inode = yaffs_put_inode, ++#endif + .put_super = yaffs_put_super, + .delete_inode = yaffs_delete_inode, + .clear_inode = yaffs_clear_inode, +@@ -293,22 +360,21 @@ static struct super_operations yaffs_sup + .write_super = yaffs_write_super, + }; + +-static void yaffs_GrossLock(yaffs_Device * dev) ++static void yaffs_GrossLock(yaffs_Device *dev) + { +- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs locking\n")); +- ++ T(YAFFS_TRACE_OS, ("yaffs locking %p\n", current)); + down(&dev->grossLock); ++ T(YAFFS_TRACE_OS, ("yaffs locked %p\n", current)); + } + +-static void yaffs_GrossUnlock(yaffs_Device * dev) ++static void yaffs_GrossUnlock(yaffs_Device *dev) + { +- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs unlocking\n")); ++ T(YAFFS_TRACE_OS, ("yaffs unlocking %p\n", current)); + up(&dev->grossLock); +- + } + +-static int yaffs_readlink(struct dentry *dentry, char __user * buffer, +- int buflen) ++static int yaffs_readlink(struct dentry *dentry, char __user *buffer, ++ int buflen) + { + unsigned char *alias; + int ret; +@@ -329,7 +395,7 @@ static int yaffs_readlink(struct dentry + return ret; + } + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13)) + static void *yaffs_follow_link(struct dentry *dentry, struct nameidata *nd) + #else + static int yaffs_follow_link(struct dentry *dentry, struct nameidata *nd) +@@ -345,32 +411,31 @@ static int yaffs_follow_link(struct dent + + yaffs_GrossUnlock(dev); + +- if (!alias) +- { ++ if (!alias) { + ret = -ENOMEM; + goto out; +- } ++ } + + ret = vfs_follow_link(nd, alias); + kfree(alias); + out: +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13)) +- return ERR_PTR (ret); ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13)) ++ return ERR_PTR(ret); + #else + return ret; + #endif + } + + struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev, +- yaffs_Object * obj); ++ yaffs_Object *obj); + + /* + * Lookup is used to find objects in the fs + */ +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + + static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry, +- struct nameidata *n) ++ struct nameidata *n) + #else + static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry) + #endif +@@ -383,12 +448,11 @@ static struct dentry *yaffs_lookup(struc + yaffs_GrossLock(dev); + + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_lookup for %d:%s\n", +- yaffs_InodeToObject(dir)->objectId, dentry->d_name.name)); ++ ("yaffs_lookup for %d:%s\n", ++ yaffs_InodeToObject(dir)->objectId, dentry->d_name.name)); + +- obj = +- yaffs_FindObjectByName(yaffs_InodeToObject(dir), +- dentry->d_name.name); ++ obj = yaffs_FindObjectByName(yaffs_InodeToObject(dir), ++ dentry->d_name.name); + + obj = yaffs_GetEquivalentObject(obj); /* in case it was a hardlink */ + +@@ -397,13 +461,13 @@ static struct dentry *yaffs_lookup(struc + + if (obj) { + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_lookup found %d\n", obj->objectId)); ++ ("yaffs_lookup found %d\n", obj->objectId)); + + inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj); + + if (inode) { + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_loookup dentry \n")); ++ ("yaffs_loookup dentry \n")); + /* #if 0 asserted by NCB for 2.5/6 compatability - falls through to + * d_add even if NULL inode */ + #if 0 +@@ -416,7 +480,7 @@ static struct dentry *yaffs_lookup(struc + } + + } else { +- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_lookup not found\n")); ++ T(YAFFS_TRACE_OS, ("yaffs_lookup not found\n")); + + } + +@@ -425,20 +489,22 @@ static struct dentry *yaffs_lookup(struc + d_add(dentry, inode); + + return NULL; +- /* return (ERR_PTR(-EIO)); */ +- + } + ++ ++#ifdef YAFFS_HAS_PUT_INODE ++ + /* For now put inode is just for debugging + * Put inode is called when the inode **structure** is put. + */ + static void yaffs_put_inode(struct inode *inode) + { + T(YAFFS_TRACE_OS, +- ("yaffs_put_inode: ino %d, count %d\n", (int)inode->i_ino, +- atomic_read(&inode->i_count))); ++ ("yaffs_put_inode: ino %d, count %d\n", (int)inode->i_ino, ++ atomic_read(&inode->i_count))); + + } ++#endif + + /* clear is called to tell the fs to release any per-inode data it holds */ + static void yaffs_clear_inode(struct inode *inode) +@@ -449,9 +515,9 @@ static void yaffs_clear_inode(struct ino + obj = yaffs_InodeToObject(inode); + + T(YAFFS_TRACE_OS, +- ("yaffs_clear_inode: ino %d, count %d %s\n", (int)inode->i_ino, +- atomic_read(&inode->i_count), +- obj ? "object exists" : "null object")); ++ ("yaffs_clear_inode: ino %d, count %d %s\n", (int)inode->i_ino, ++ atomic_read(&inode->i_count), ++ obj ? "object exists" : "null object")); + + if (obj) { + dev = obj->myDev; +@@ -486,23 +552,23 @@ static void yaffs_delete_inode(struct in + yaffs_Device *dev; + + T(YAFFS_TRACE_OS, +- ("yaffs_delete_inode: ino %d, count %d %s\n", (int)inode->i_ino, +- atomic_read(&inode->i_count), +- obj ? "object exists" : "null object")); ++ ("yaffs_delete_inode: ino %d, count %d %s\n", (int)inode->i_ino, ++ atomic_read(&inode->i_count), ++ obj ? "object exists" : "null object")); + + if (obj) { + dev = obj->myDev; + yaffs_GrossLock(dev); +- yaffs_DeleteFile(obj); ++ yaffs_DeleteObject(obj); + yaffs_GrossUnlock(dev); + } +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13)) +- truncate_inode_pages (&inode->i_data, 0); ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13)) ++ truncate_inode_pages(&inode->i_data, 0); + #endif + clear_inode(inode); + } + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) + static int yaffs_file_flush(struct file *file, fl_owner_t id) + #else + static int yaffs_file_flush(struct file *file) +@@ -513,8 +579,8 @@ static int yaffs_file_flush(struct file + yaffs_Device *dev = obj->myDev; + + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_file_flush object %d (%s)\n", obj->objectId, +- obj->dirty ? "dirty" : "clean")); ++ ("yaffs_file_flush object %d (%s)\n", obj->objectId, ++ obj->dirty ? "dirty" : "clean")); + + yaffs_GrossLock(dev); + +@@ -535,15 +601,15 @@ static int yaffs_readpage_nolock(struct + + yaffs_Device *dev; + +- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_readpage at %08x, size %08x\n", +- (unsigned)(pg->index << PAGE_CACHE_SHIFT), +- (unsigned)PAGE_CACHE_SIZE)); ++ T(YAFFS_TRACE_OS, ("yaffs_readpage at %08x, size %08x\n", ++ (unsigned)(pg->index << PAGE_CACHE_SHIFT), ++ (unsigned)PAGE_CACHE_SIZE)); + + obj = yaffs_DentryToObject(f->f_dentry); + + dev = obj->myDev; + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + BUG_ON(!PageLocked(pg)); + #else + if (!PageLocked(pg)) +@@ -555,9 +621,9 @@ static int yaffs_readpage_nolock(struct + + yaffs_GrossLock(dev); + +- ret = +- yaffs_ReadDataFromFile(obj, pg_buf, pg->index << PAGE_CACHE_SHIFT, +- PAGE_CACHE_SIZE); ++ ret = yaffs_ReadDataFromFile(obj, pg_buf, ++ pg->index << PAGE_CACHE_SHIFT, ++ PAGE_CACHE_SIZE); + + yaffs_GrossUnlock(dev); + +@@ -575,7 +641,7 @@ static int yaffs_readpage_nolock(struct + flush_dcache_page(pg); + kunmap(pg); + +- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_readpage done\n")); ++ T(YAFFS_TRACE_OS, ("yaffs_readpage done\n")); + return ret; + } + +@@ -593,7 +659,7 @@ static int yaffs_readpage(struct file *f + + /* writepage inspired by/stolen from smbfs */ + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + static int yaffs_writepage(struct page *page, struct writeback_control *wbc) + #else + static int yaffs_writepage(struct page *page) +@@ -616,12 +682,11 @@ static int yaffs_writepage(struct page * + + if (offset > inode->i_size) { + T(YAFFS_TRACE_OS, +- (KERN_DEBUG +- "yaffs_writepage at %08x, inode size = %08x!!!\n", +- (unsigned)(page->index << PAGE_CACHE_SHIFT), +- (unsigned)inode->i_size)); ++ ("yaffs_writepage at %08x, inode size = %08x!!!\n", ++ (unsigned)(page->index << PAGE_CACHE_SHIFT), ++ (unsigned)inode->i_size)); + T(YAFFS_TRACE_OS, +- (KERN_DEBUG " -> don't care!!\n")); ++ (" -> don't care!!\n")); + unlock_page(page); + return 0; + } +@@ -629,11 +694,10 @@ static int yaffs_writepage(struct page * + end_index = inode->i_size >> PAGE_CACHE_SHIFT; + + /* easy case */ +- if (page->index < end_index) { ++ if (page->index < end_index) + nBytes = PAGE_CACHE_SIZE; +- } else { ++ else + nBytes = inode->i_size & (PAGE_CACHE_SIZE - 1); +- } + + get_page(page); + +@@ -643,19 +707,18 @@ static int yaffs_writepage(struct page * + yaffs_GrossLock(obj->myDev); + + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_writepage at %08x, size %08x\n", +- (unsigned)(page->index << PAGE_CACHE_SHIFT), nBytes)); ++ ("yaffs_writepage at %08x, size %08x\n", ++ (unsigned)(page->index << PAGE_CACHE_SHIFT), nBytes)); + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "writepag0: obj = %05x, ino = %05x\n", +- (int)obj->variant.fileVariant.fileSize, (int)inode->i_size)); ++ ("writepag0: obj = %05x, ino = %05x\n", ++ (int)obj->variant.fileVariant.fileSize, (int)inode->i_size)); + +- nWritten = +- yaffs_WriteDataToFile(obj, buffer, page->index << PAGE_CACHE_SHIFT, +- nBytes, 0); ++ nWritten = yaffs_WriteDataToFile(obj, buffer, ++ page->index << PAGE_CACHE_SHIFT, nBytes, 0); + + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "writepag1: obj = %05x, ino = %05x\n", +- (int)obj->variant.fileVariant.fileSize, (int)inode->i_size)); ++ ("writepag1: obj = %05x, ino = %05x\n", ++ (int)obj->variant.fileVariant.fileSize, (int)inode->i_size)); + + yaffs_GrossUnlock(obj->myDev); + +@@ -667,100 +730,207 @@ static int yaffs_writepage(struct page * + return (nWritten == nBytes) ? 0 : -ENOSPC; + } + ++ ++#if (YAFFS_USE_WRITE_BEGIN_END > 0) ++static int yaffs_write_begin(struct file *filp, struct address_space *mapping, ++ loff_t pos, unsigned len, unsigned flags, ++ struct page **pagep, void **fsdata) ++{ ++ struct page *pg = NULL; ++ pgoff_t index = pos >> PAGE_CACHE_SHIFT; ++ uint32_t offset = pos & (PAGE_CACHE_SIZE - 1); ++ uint32_t to = offset + len; ++ ++ int ret = 0; ++ int space_held = 0; ++ ++ T(YAFFS_TRACE_OS, ("start yaffs_write_begin\n")); ++ /* Get a page */ ++#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 28) ++ pg = grab_cache_page_write_begin(mapping, index, flags); ++#else ++ pg = __grab_cache_page(mapping, index); ++#endif ++ ++ *pagep = pg; ++ if (!pg) { ++ ret = -ENOMEM; ++ goto out; ++ } ++ /* Get fs space */ ++ space_held = yaffs_hold_space(filp); ++ ++ if (!space_held) { ++ ret = -ENOSPC; ++ goto out; ++ } ++ ++ /* Update page if required */ ++ ++ if (!Page_Uptodate(pg) && (offset || to < PAGE_CACHE_SIZE)) ++ ret = yaffs_readpage_nolock(filp, pg); ++ ++ if (ret) ++ goto out; ++ ++ /* Happy path return */ ++ T(YAFFS_TRACE_OS, ("end yaffs_write_begin - ok\n")); ++ ++ return 0; ++ ++out: ++ T(YAFFS_TRACE_OS, ("end yaffs_write_begin fail returning %d\n", ret)); ++ if (space_held) ++ yaffs_release_space(filp); ++ if (pg) { ++ unlock_page(pg); ++ page_cache_release(pg); ++ } ++ return ret; ++} ++ ++#else ++ + static int yaffs_prepare_write(struct file *f, struct page *pg, +- unsigned offset, unsigned to) ++ unsigned offset, unsigned to) + { ++ T(YAFFS_TRACE_OS, ("yaffs_prepair_write\n")); + +- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_prepair_write\n")); + if (!Page_Uptodate(pg) && (offset || to < PAGE_CACHE_SIZE)) + return yaffs_readpage_nolock(f, pg); +- + return 0; ++} ++#endif ++ ++#if (YAFFS_USE_WRITE_BEGIN_END > 0) ++static int yaffs_write_end(struct file *filp, struct address_space *mapping, ++ loff_t pos, unsigned len, unsigned copied, ++ struct page *pg, void *fsdadata) ++{ ++ int ret = 0; ++ void *addr, *kva; ++ uint32_t offset_into_page = pos & (PAGE_CACHE_SIZE - 1); ++ ++ kva = kmap(pg); ++ addr = kva + offset_into_page; ++ ++ T(YAFFS_TRACE_OS, ++ ("yaffs_write_end addr %x pos %x nBytes %d\n", ++ (unsigned) addr, ++ (int)pos, copied)); ++ ++ ret = yaffs_file_write(filp, addr, copied, &pos); ++ ++ if (ret != copied) { ++ T(YAFFS_TRACE_OS, ++ ("yaffs_write_end not same size ret %d copied %d\n", ++ ret, copied)); ++ SetPageError(pg); ++ ClearPageUptodate(pg); ++ } else { ++ SetPageUptodate(pg); ++ } ++ ++ kunmap(pg); + ++ yaffs_release_space(filp); ++ unlock_page(pg); ++ page_cache_release(pg); ++ return ret; + } ++#else + + static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset, +- unsigned to) ++ unsigned to) + { ++ void *addr, *kva; + +- void *addr = page_address(pg) + offset; + loff_t pos = (((loff_t) pg->index) << PAGE_CACHE_SHIFT) + offset; + int nBytes = to - offset; + int nWritten; + + unsigned spos = pos; +- unsigned saddr = (unsigned)addr; ++ unsigned saddr; ++ ++ kva = kmap(pg); ++ addr = kva + offset; ++ ++ saddr = (unsigned) addr; + + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_commit_write addr %x pos %x nBytes %d\n", saddr, +- spos, nBytes)); ++ ("yaffs_commit_write addr %x pos %x nBytes %d\n", ++ saddr, spos, nBytes)); + + nWritten = yaffs_file_write(f, addr, nBytes, &pos); + + if (nWritten != nBytes) { + T(YAFFS_TRACE_OS, +- (KERN_DEBUG +- "yaffs_commit_write not same size nWritten %d nBytes %d\n", +- nWritten, nBytes)); ++ ("yaffs_commit_write not same size nWritten %d nBytes %d\n", ++ nWritten, nBytes)); + SetPageError(pg); + ClearPageUptodate(pg); + } else { + SetPageUptodate(pg); + } + ++ kunmap(pg); ++ + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_commit_write returning %d\n", +- nWritten == nBytes ? 0 : nWritten)); ++ ("yaffs_commit_write returning %d\n", ++ nWritten == nBytes ? 0 : nWritten)); + + return nWritten == nBytes ? 0 : nWritten; +- + } ++#endif ++ + +-static void yaffs_FillInodeFromObject(struct inode *inode, yaffs_Object * obj) ++static void yaffs_FillInodeFromObject(struct inode *inode, yaffs_Object *obj) + { + if (inode && obj) { + + + /* Check mode against the variant type and attempt to repair if broken. */ +- __u32 mode = obj->yst_mode; +- switch( obj->variantType ){ +- case YAFFS_OBJECT_TYPE_FILE : +- if( ! S_ISREG(mode) ){ +- obj->yst_mode &= ~S_IFMT; +- obj->yst_mode |= S_IFREG; +- } +- +- break; +- case YAFFS_OBJECT_TYPE_SYMLINK : +- if( ! S_ISLNK(mode) ){ +- obj->yst_mode &= ~S_IFMT; +- obj->yst_mode |= S_IFLNK; +- } +- +- break; +- case YAFFS_OBJECT_TYPE_DIRECTORY : +- if( ! S_ISDIR(mode) ){ +- obj->yst_mode &= ~S_IFMT; +- obj->yst_mode |= S_IFDIR; +- } +- +- break; +- case YAFFS_OBJECT_TYPE_UNKNOWN : +- case YAFFS_OBJECT_TYPE_HARDLINK : +- case YAFFS_OBJECT_TYPE_SPECIAL : +- default: +- /* TODO? */ +- break; +- } ++ __u32 mode = obj->yst_mode; ++ switch (obj->variantType) { ++ case YAFFS_OBJECT_TYPE_FILE: ++ if (!S_ISREG(mode)) { ++ obj->yst_mode &= ~S_IFMT; ++ obj->yst_mode |= S_IFREG; ++ } ++ ++ break; ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ if (!S_ISLNK(mode)) { ++ obj->yst_mode &= ~S_IFMT; ++ obj->yst_mode |= S_IFLNK; ++ } ++ ++ break; ++ case YAFFS_OBJECT_TYPE_DIRECTORY: ++ if (!S_ISDIR(mode)) { ++ obj->yst_mode &= ~S_IFMT; ++ obj->yst_mode |= S_IFDIR; ++ } ++ ++ break; ++ case YAFFS_OBJECT_TYPE_UNKNOWN: ++ case YAFFS_OBJECT_TYPE_HARDLINK: ++ case YAFFS_OBJECT_TYPE_SPECIAL: ++ default: ++ /* TODO? */ ++ break; ++ } ++ ++ inode->i_flags |= S_NOATIME; + + inode->i_ino = obj->objectId; + inode->i_mode = obj->yst_mode; + inode->i_uid = obj->yst_uid; + inode->i_gid = obj->yst_gid; +-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)) ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)) + inode->i_blksize = inode->i_sb->s_blocksize; + #endif +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + + inode->i_rdev = old_decode_dev(obj->yst_rdev); + inode->i_atime.tv_sec = (time_t) (obj->yst_atime); +@@ -781,26 +951,25 @@ static void yaffs_FillInodeFromObject(st + inode->i_nlink = yaffs_GetObjectLinkCount(obj); + + T(YAFFS_TRACE_OS, +- (KERN_DEBUG +- "yaffs_FillInode mode %x uid %d gid %d size %d count %d\n", +- inode->i_mode, inode->i_uid, inode->i_gid, +- (int)inode->i_size, atomic_read(&inode->i_count))); ++ ("yaffs_FillInode mode %x uid %d gid %d size %d count %d\n", ++ inode->i_mode, inode->i_uid, inode->i_gid, ++ (int)inode->i_size, atomic_read(&inode->i_count))); + + switch (obj->yst_mode & S_IFMT) { + default: /* fifo, device or socket */ +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + init_special_inode(inode, obj->yst_mode, +- old_decode_dev(obj->yst_rdev)); ++ old_decode_dev(obj->yst_rdev)); + #else + init_special_inode(inode, obj->yst_mode, +- (dev_t) (obj->yst_rdev)); ++ (dev_t) (obj->yst_rdev)); + #endif + break; + case S_IFREG: /* file */ + inode->i_op = &yaffs_file_inode_operations; + inode->i_fop = &yaffs_file_operations; + inode->i_mapping->a_ops = +- &yaffs_file_address_operations; ++ &yaffs_file_address_operations; + break; + case S_IFDIR: /* directory */ + inode->i_op = &yaffs_dir_inode_operations; +@@ -817,34 +986,36 @@ static void yaffs_FillInodeFromObject(st + + } else { + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_FileInode invalid parameters\n")); ++ ("yaffs_FileInode invalid parameters\n")); + } + + } + + struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev, +- yaffs_Object * obj) ++ yaffs_Object *obj) + { + struct inode *inode; + + if (!sb) { + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_get_inode for NULL super_block!!\n")); ++ ("yaffs_get_inode for NULL super_block!!\n")); + return NULL; + + } + + if (!obj) { + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_get_inode for NULL object!!\n")); ++ ("yaffs_get_inode for NULL object!!\n")); + return NULL; + + } + + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_get_inode for object %d\n", obj->objectId)); ++ ("yaffs_get_inode for object %d\n", obj->objectId)); + +- inode = iget(sb, obj->objectId); ++ inode = Y_IGET(sb, obj->objectId); ++ if (IS_ERR(inode)) ++ return NULL; + + /* NB Side effect: iget calls back to yaffs_read_inode(). */ + /* iget also increments the inode's i_count */ +@@ -854,7 +1025,7 @@ struct inode *yaffs_get_inode(struct sup + } + + static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n, +- loff_t * pos) ++ loff_t *pos) + { + yaffs_Object *obj; + int nWritten, ipos; +@@ -869,28 +1040,26 @@ static ssize_t yaffs_file_write(struct f + + inode = f->f_dentry->d_inode; + +- if (!S_ISBLK(inode->i_mode) && f->f_flags & O_APPEND) { ++ if (!S_ISBLK(inode->i_mode) && f->f_flags & O_APPEND) + ipos = inode->i_size; +- } else { ++ else + ipos = *pos; +- } + +- if (!obj) { ++ if (!obj) + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_file_write: hey obj is null!\n")); +- } else { ++ ("yaffs_file_write: hey obj is null!\n")); ++ else + T(YAFFS_TRACE_OS, +- (KERN_DEBUG +- "yaffs_file_write about to write writing %d bytes" +- "to object %d at %d\n", +- n, obj->objectId, ipos)); +- } ++ ("yaffs_file_write about to write writing %zu bytes" ++ "to object %d at %d\n", ++ n, obj->objectId, ipos)); + + nWritten = yaffs_WriteDataToFile(obj, buf, ipos, n, 0); + + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_file_write writing %d bytes, %d written at %d\n", +- n, nWritten, ipos)); ++ ("yaffs_file_write writing %zu bytes, %d written at %d\n", ++ n, nWritten, ipos)); ++ + if (nWritten > 0) { + ipos += nWritten; + *pos = ipos; +@@ -899,10 +1068,9 @@ static ssize_t yaffs_file_write(struct f + inode->i_blocks = (ipos + 511) >> 9; + + T(YAFFS_TRACE_OS, +- (KERN_DEBUG +- "yaffs_file_write size updated to %d bytes, " +- "%d blocks\n", +- ipos, (int)(inode->i_blocks))); ++ ("yaffs_file_write size updated to %d bytes, " ++ "%d blocks\n", ++ ipos, (int)(inode->i_blocks))); + } + + } +@@ -910,13 +1078,54 @@ static ssize_t yaffs_file_write(struct f + return nWritten == 0 ? -ENOSPC : nWritten; + } + ++/* Space holding and freeing is done to ensure we have space available for write_begin/end */ ++/* For now we just assume few parallel writes and check against a small number. */ ++/* Todo: need to do this with a counter to handle parallel reads better */ ++ ++static ssize_t yaffs_hold_space(struct file *f) ++{ ++ yaffs_Object *obj; ++ yaffs_Device *dev; ++ ++ int nFreeChunks; ++ ++ ++ obj = yaffs_DentryToObject(f->f_dentry); ++ ++ dev = obj->myDev; ++ ++ yaffs_GrossLock(dev); ++ ++ nFreeChunks = yaffs_GetNumberOfFreeChunks(dev); ++ ++ yaffs_GrossUnlock(dev); ++ ++ return (nFreeChunks > 20) ? 1 : 0; ++} ++ ++static void yaffs_release_space(struct file *f) ++{ ++ yaffs_Object *obj; ++ yaffs_Device *dev; ++ ++ ++ obj = yaffs_DentryToObject(f->f_dentry); ++ ++ dev = obj->myDev; ++ ++ yaffs_GrossLock(dev); ++ ++ ++ yaffs_GrossUnlock(dev); ++} ++ + static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir) + { + yaffs_Object *obj; + yaffs_Device *dev; + struct inode *inode = f->f_dentry->d_inode; + unsigned long offset, curoffs; +- struct list_head *i; ++ struct ylist_head *i; + yaffs_Object *l; + + char name[YAFFS_MAX_NAME_LENGTH + 1]; +@@ -932,24 +1141,20 @@ static int yaffs_readdir(struct file *f, + + if (offset == 0) { + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_readdir: entry . ino %d \n", +- (int)inode->i_ino)); +- if (filldir(dirent, ".", 1, offset, inode->i_ino, DT_DIR) +- < 0) { ++ ("yaffs_readdir: entry . ino %d \n", ++ (int)inode->i_ino)); ++ if (filldir(dirent, ".", 1, offset, inode->i_ino, DT_DIR) < 0) + goto out; +- } + offset++; + f->f_pos++; + } + if (offset == 1) { + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_readdir: entry .. ino %d \n", +- (int)f->f_dentry->d_parent->d_inode->i_ino)); +- if (filldir +- (dirent, "..", 2, offset, +- f->f_dentry->d_parent->d_inode->i_ino, DT_DIR) < 0) { ++ ("yaffs_readdir: entry .. ino %d \n", ++ (int)f->f_dentry->d_parent->d_inode->i_ino)); ++ if (filldir(dirent, "..", 2, offset, ++ f->f_dentry->d_parent->d_inode->i_ino, DT_DIR) < 0) + goto out; +- } + offset++; + f->f_pos++; + } +@@ -965,35 +1170,32 @@ static int yaffs_readdir(struct file *f, + f->f_version = inode->i_version; + } + +- list_for_each(i, &obj->variant.directoryVariant.children) { ++ ylist_for_each(i, &obj->variant.directoryVariant.children) { + curoffs++; + if (curoffs >= offset) { +- l = list_entry(i, yaffs_Object, siblings); ++ l = ylist_entry(i, yaffs_Object, siblings); + + yaffs_GetObjectName(l, name, + YAFFS_MAX_NAME_LENGTH + 1); + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_readdir: %s inode %d\n", name, ++ ("yaffs_readdir: %s inode %d\n", name, + yaffs_GetObjectInode(l))); + + if (filldir(dirent, +- name, +- strlen(name), +- offset, +- yaffs_GetObjectInode(l), +- yaffs_GetObjectType(l)) +- < 0) { ++ name, ++ strlen(name), ++ offset, ++ yaffs_GetObjectInode(l), ++ yaffs_GetObjectType(l)) < 0) + goto up_and_out; +- } + + offset++; + f->f_pos++; + } + } + +- up_and_out: +- out: +- ++up_and_out: ++out: + yaffs_GrossUnlock(dev); + + return 0; +@@ -1002,12 +1204,19 @@ static int yaffs_readdir(struct file *f, + /* + * File creation. Allocate an inode, and we're done.. + */ +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) ++ ++#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29) ++#define YCRED(x) x ++#else ++#define YCRED(x) (x->cred) ++#endif ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, +- dev_t rdev) ++ dev_t rdev) + #else + static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, +- int rdev) ++ int rdev) + #endif + { + struct inode *inode; +@@ -1018,25 +1227,25 @@ static int yaffs_mknod(struct inode *dir + yaffs_Object *parent = yaffs_InodeToObject(dir); + + int error = -ENOSPC; +- uid_t uid = current->fsuid; +- gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid; ++ uid_t uid = YCRED(current)->fsuid; ++ gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid; + +- if((dir->i_mode & S_ISGID) && S_ISDIR(mode)) ++ if ((dir->i_mode & S_ISGID) && S_ISDIR(mode)) + mode |= S_ISGID; + + if (parent) { + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_mknod: parent object %d type %d\n", +- parent->objectId, parent->variantType)); ++ ("yaffs_mknod: parent object %d type %d\n", ++ parent->objectId, parent->variantType)); + } else { + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_mknod: could not get parent object\n")); ++ ("yaffs_mknod: could not get parent object\n")); + return -EPERM; + } + + T(YAFFS_TRACE_OS, ("yaffs_mknod: making oject for %s, " +- "mode %x dev %x\n", +- dentry->d_name.name, mode, rdev)); ++ "mode %x dev %x\n", ++ dentry->d_name.name, mode, rdev)); + + dev = parent->myDev; + +@@ -1045,33 +1254,28 @@ static int yaffs_mknod(struct inode *dir + switch (mode & S_IFMT) { + default: + /* Special (socket, fifo, device...) */ +- T(YAFFS_TRACE_OS, (KERN_DEBUG +- "yaffs_mknod: making special\n")); +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) +- obj = +- yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid, +- gid, old_encode_dev(rdev)); +-#else +- obj = +- yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid, +- gid, rdev); ++ T(YAFFS_TRACE_OS, ("yaffs_mknod: making special\n")); ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++ obj = yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid, ++ gid, old_encode_dev(rdev)); ++#else ++ obj = yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid, ++ gid, rdev); + #endif + break; + case S_IFREG: /* file */ +- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_mknod: making file\n")); +- obj = +- yaffs_MknodFile(parent, dentry->d_name.name, mode, uid, +- gid); ++ T(YAFFS_TRACE_OS, ("yaffs_mknod: making file\n")); ++ obj = yaffs_MknodFile(parent, dentry->d_name.name, mode, uid, ++ gid); + break; + case S_IFDIR: /* directory */ + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_mknod: making directory\n")); +- obj = +- yaffs_MknodDirectory(parent, dentry->d_name.name, mode, +- uid, gid); ++ ("yaffs_mknod: making directory\n")); ++ obj = yaffs_MknodDirectory(parent, dentry->d_name.name, mode, ++ uid, gid); + break; + case S_IFLNK: /* symlink */ +- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_mknod: making file\n")); ++ T(YAFFS_TRACE_OS, ("yaffs_mknod: making symlink\n")); + obj = NULL; /* Do we ever get here? */ + break; + } +@@ -1083,12 +1287,12 @@ static int yaffs_mknod(struct inode *dir + inode = yaffs_get_inode(dir->i_sb, mode, rdev, obj); + d_instantiate(dentry, inode); + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_mknod created object %d count = %d\n", +- obj->objectId, atomic_read(&inode->i_count))); ++ ("yaffs_mknod created object %d count = %d\n", ++ obj->objectId, atomic_read(&inode->i_count))); + error = 0; + } else { + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_mknod failed making object\n")); ++ ("yaffs_mknod failed making object\n")); + error = -ENOMEM; + } + +@@ -1098,25 +1302,19 @@ static int yaffs_mknod(struct inode *dir + static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode) + { + int retVal; +- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_mkdir\n")); ++ T(YAFFS_TRACE_OS, ("yaffs_mkdir\n")); + retVal = yaffs_mknod(dir, dentry, mode | S_IFDIR, 0); +-#if 0 +- /* attempt to fix dir bug - didn't work */ +- if (!retVal) { +- dget(dentry); +- } +-#endif + return retVal; + } + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode, + struct nameidata *n) + #else + static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode) + #endif + { +- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_create\n")); ++ T(YAFFS_TRACE_OS, ("yaffs_create\n")); + return yaffs_mknod(dir, dentry, mode | S_IFREG, 0); + } + +@@ -1127,8 +1325,8 @@ static int yaffs_unlink(struct inode *di + yaffs_Device *dev; + + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_unlink %d:%s\n", (int)(dir->i_ino), +- dentry->d_name.name)); ++ ("yaffs_unlink %d:%s\n", (int)(dir->i_ino), ++ dentry->d_name.name)); + + dev = yaffs_InodeToObject(dir)->myDev; + +@@ -1151,82 +1349,74 @@ static int yaffs_unlink(struct inode *di + * Create a link... + */ + static int yaffs_link(struct dentry *old_dentry, struct inode *dir, +- struct dentry *dentry) ++ struct dentry *dentry) + { + struct inode *inode = old_dentry->d_inode; + yaffs_Object *obj = NULL; + yaffs_Object *link = NULL; + yaffs_Device *dev; + +- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_link\n")); ++ T(YAFFS_TRACE_OS, ("yaffs_link\n")); + + obj = yaffs_InodeToObject(inode); + dev = obj->myDev; + + yaffs_GrossLock(dev); + +- if (!S_ISDIR(inode->i_mode)) /* Don't link directories */ +- { +- link = +- yaffs_Link(yaffs_InodeToObject(dir), dentry->d_name.name, +- obj); +- } ++ if (!S_ISDIR(inode->i_mode)) /* Don't link directories */ ++ link = yaffs_Link(yaffs_InodeToObject(dir), dentry->d_name.name, ++ obj); + + if (link) { + old_dentry->d_inode->i_nlink = yaffs_GetObjectLinkCount(obj); + d_instantiate(dentry, old_dentry->d_inode); + atomic_inc(&old_dentry->d_inode->i_count); + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_link link count %d i_count %d\n", +- old_dentry->d_inode->i_nlink, +- atomic_read(&old_dentry->d_inode->i_count))); +- ++ ("yaffs_link link count %d i_count %d\n", ++ old_dentry->d_inode->i_nlink, ++ atomic_read(&old_dentry->d_inode->i_count))); + } + + yaffs_GrossUnlock(dev); + +- if (link) { +- ++ if (link) + return 0; +- } + + return -EPERM; + } + + static int yaffs_symlink(struct inode *dir, struct dentry *dentry, +- const char *symname) ++ const char *symname) + { + yaffs_Object *obj; + yaffs_Device *dev; +- uid_t uid = current->fsuid; +- gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid; ++ uid_t uid = YCRED(current)->fsuid; ++ gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid; + +- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_symlink\n")); ++ T(YAFFS_TRACE_OS, ("yaffs_symlink\n")); + + dev = yaffs_InodeToObject(dir)->myDev; + yaffs_GrossLock(dev); + obj = yaffs_MknodSymLink(yaffs_InodeToObject(dir), dentry->d_name.name, +- S_IFLNK | S_IRWXUGO, uid, gid, symname); ++ S_IFLNK | S_IRWXUGO, uid, gid, symname); + yaffs_GrossUnlock(dev); + + if (obj) { +- + struct inode *inode; + + inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj); + d_instantiate(dentry, inode); +- T(YAFFS_TRACE_OS, (KERN_DEBUG "symlink created OK\n")); ++ T(YAFFS_TRACE_OS, ("symlink created OK\n")); + return 0; + } else { +- T(YAFFS_TRACE_OS, (KERN_DEBUG "symlink not created\n")); +- ++ T(YAFFS_TRACE_OS, ("symlink not created\n")); + } + + return -ENOMEM; + } + + static int yaffs_sync_object(struct file *file, struct dentry *dentry, +- int datasync) ++ int datasync) + { + + yaffs_Object *obj; +@@ -1236,7 +1426,7 @@ static int yaffs_sync_object(struct file + + dev = obj->myDev; + +- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_sync_object\n")); ++ T(YAFFS_TRACE_OS, ("yaffs_sync_object\n")); + yaffs_GrossLock(dev); + yaffs_FlushFile(obj, 1); + yaffs_GrossUnlock(dev); +@@ -1255,41 +1445,36 @@ static int yaffs_rename(struct inode *ol + int retVal = YAFFS_FAIL; + yaffs_Object *target; + +- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_rename\n")); ++ T(YAFFS_TRACE_OS, ("yaffs_rename\n")); + dev = yaffs_InodeToObject(old_dir)->myDev; + + yaffs_GrossLock(dev); + + /* Check if the target is an existing directory that is not empty. */ +- target = +- yaffs_FindObjectByName(yaffs_InodeToObject(new_dir), +- new_dentry->d_name.name); ++ target = yaffs_FindObjectByName(yaffs_InodeToObject(new_dir), ++ new_dentry->d_name.name); + + + +- if (target && +- target->variantType == YAFFS_OBJECT_TYPE_DIRECTORY && +- !list_empty(&target->variant.directoryVariant.children)) { ++ if (target && target->variantType == YAFFS_OBJECT_TYPE_DIRECTORY && ++ !ylist_empty(&target->variant.directoryVariant.children)) { + +- T(YAFFS_TRACE_OS, (KERN_DEBUG "target is non-empty dir\n")); ++ T(YAFFS_TRACE_OS, ("target is non-empty dir\n")); + + retVal = YAFFS_FAIL; + } else { +- + /* Now does unlinking internally using shadowing mechanism */ +- T(YAFFS_TRACE_OS, (KERN_DEBUG "calling yaffs_RenameObject\n")); +- +- retVal = +- yaffs_RenameObject(yaffs_InodeToObject(old_dir), +- old_dentry->d_name.name, +- yaffs_InodeToObject(new_dir), +- new_dentry->d_name.name); ++ T(YAFFS_TRACE_OS, ("calling yaffs_RenameObject\n")); + ++ retVal = yaffs_RenameObject(yaffs_InodeToObject(old_dir), ++ old_dentry->d_name.name, ++ yaffs_InodeToObject(new_dir), ++ new_dentry->d_name.name); + } + yaffs_GrossUnlock(dev); + + if (retVal == YAFFS_OK) { +- if(target) { ++ if (target) { + new_dentry->d_inode->i_nlink--; + mark_inode_dirty(new_dentry->d_inode); + } +@@ -1298,7 +1483,6 @@ static int yaffs_rename(struct inode *ol + } else { + return -ENOTEMPTY; + } +- + } + + static int yaffs_setattr(struct dentry *dentry, struct iattr *attr) +@@ -1308,15 +1492,15 @@ static int yaffs_setattr(struct dentry * + yaffs_Device *dev; + + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_setattr of object %d\n", +- yaffs_InodeToObject(inode)->objectId)); +- +- if ((error = inode_change_ok(inode, attr)) == 0) { ++ ("yaffs_setattr of object %d\n", ++ yaffs_InodeToObject(inode)->objectId)); + ++ error = inode_change_ok(inode, attr); ++ if (error == 0) { + dev = yaffs_InodeToObject(inode)->myDev; + yaffs_GrossLock(dev); + if (yaffs_SetAttributes(yaffs_InodeToObject(inode), attr) == +- YAFFS_OK) { ++ YAFFS_OK) { + error = 0; + } else { + error = -EPERM; +@@ -1328,12 +1512,12 @@ static int yaffs_setattr(struct dentry * + return error; + } + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) + static int yaffs_statfs(struct dentry *dentry, struct kstatfs *buf) + { + yaffs_Device *dev = yaffs_DentryToObject(dentry)->myDev; + struct super_block *sb = dentry->d_sb; +-#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) ++#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + static int yaffs_statfs(struct super_block *sb, struct kstatfs *buf) + { + yaffs_Device *dev = yaffs_SuperToDevice(sb); +@@ -1343,32 +1527,53 @@ static int yaffs_statfs(struct super_blo + yaffs_Device *dev = yaffs_SuperToDevice(sb); + #endif + +- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_statfs\n")); ++ T(YAFFS_TRACE_OS, ("yaffs_statfs\n")); + + yaffs_GrossLock(dev); + + buf->f_type = YAFFS_MAGIC; + buf->f_bsize = sb->s_blocksize; + buf->f_namelen = 255; +- if (sb->s_blocksize > dev->nDataBytesPerChunk) { ++ ++ if (dev->nDataBytesPerChunk & (dev->nDataBytesPerChunk - 1)) { ++ /* Do this if chunk size is not a power of 2 */ ++ ++ uint64_t bytesInDev; ++ uint64_t bytesFree; ++ ++ bytesInDev = ((uint64_t)((dev->endBlock - dev->startBlock + 1))) * ++ ((uint64_t)(dev->nChunksPerBlock * dev->nDataBytesPerChunk)); ++ ++ do_div(bytesInDev, sb->s_blocksize); /* bytesInDev becomes the number of blocks */ ++ buf->f_blocks = bytesInDev; ++ ++ bytesFree = ((uint64_t)(yaffs_GetNumberOfFreeChunks(dev))) * ++ ((uint64_t)(dev->nDataBytesPerChunk)); ++ ++ do_div(bytesFree, sb->s_blocksize); ++ ++ buf->f_bfree = bytesFree; ++ ++ } else if (sb->s_blocksize > dev->nDataBytesPerChunk) { + + buf->f_blocks = +- (dev->endBlock - dev->startBlock + +- 1) * dev->nChunksPerBlock / (sb->s_blocksize / +- dev->nDataBytesPerChunk); ++ (dev->endBlock - dev->startBlock + 1) * ++ dev->nChunksPerBlock / ++ (sb->s_blocksize / dev->nDataBytesPerChunk); + buf->f_bfree = +- yaffs_GetNumberOfFreeChunks(dev) / (sb->s_blocksize / +- dev->nDataBytesPerChunk); ++ yaffs_GetNumberOfFreeChunks(dev) / ++ (sb->s_blocksize / dev->nDataBytesPerChunk); + } else { +- + buf->f_blocks = +- (dev->endBlock - dev->startBlock + +- 1) * dev->nChunksPerBlock * (dev->nDataBytesPerChunk / +- sb->s_blocksize); ++ (dev->endBlock - dev->startBlock + 1) * ++ dev->nChunksPerBlock * ++ (dev->nDataBytesPerChunk / sb->s_blocksize); ++ + buf->f_bfree = +- yaffs_GetNumberOfFreeChunks(dev) * (dev->nDataBytesPerChunk / +- sb->s_blocksize); ++ yaffs_GetNumberOfFreeChunks(dev) * ++ (dev->nDataBytesPerChunk / sb->s_blocksize); + } ++ + buf->f_files = 0; + buf->f_ffree = 0; + buf->f_bavail = buf->f_bfree; +@@ -1378,18 +1583,19 @@ static int yaffs_statfs(struct super_blo + } + + +-/** + static int yaffs_do_sync_fs(struct super_block *sb) + { + + yaffs_Device *dev = yaffs_SuperToDevice(sb); +- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_do_sync_fs\n")); ++ T(YAFFS_TRACE_OS, ("yaffs_do_sync_fs\n")); + +- if(sb->s_dirt) { ++ if (sb->s_dirt) { + yaffs_GrossLock(dev); + +- if(dev) ++ if (dev) { ++ yaffs_FlushEntireDeviceCache(dev); + yaffs_CheckpointSave(dev); ++ } + + yaffs_GrossUnlock(dev); + +@@ -1397,35 +1603,73 @@ static int yaffs_do_sync_fs(struct super + } + return 0; + } +-**/ + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) + static void yaffs_write_super(struct super_block *sb) + #else + static int yaffs_write_super(struct super_block *sb) + #endif + { + +- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_write_super\n")); +-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)) +- return 0; /* yaffs_do_sync_fs(sb);*/ ++ T(YAFFS_TRACE_OS, ("yaffs_write_super\n")); ++ if (yaffs_auto_checkpoint >= 2) ++ yaffs_do_sync_fs(sb); ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18)) ++ return 0; + #endif + } + + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) + static int yaffs_sync_fs(struct super_block *sb, int wait) + #else + static int yaffs_sync_fs(struct super_block *sb) + #endif + { ++ T(YAFFS_TRACE_OS, ("yaffs_sync_fs\n")); ++ ++ if (yaffs_auto_checkpoint >= 1) ++ yaffs_do_sync_fs(sb); ++ ++ return 0; ++} ++ ++#ifdef YAFFS_USE_OWN_IGET ++ ++static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino) ++{ ++ struct inode *inode; ++ yaffs_Object *obj; ++ yaffs_Device *dev = yaffs_SuperToDevice(sb); ++ ++ T(YAFFS_TRACE_OS, ++ ("yaffs_iget for %lu\n", ino)); + +- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_sync_fs\n")); ++ inode = iget_locked(sb, ino); ++ if (!inode) ++ return ERR_PTR(-ENOMEM); ++ if (!(inode->i_state & I_NEW)) ++ return inode; ++ ++ /* NB This is called as a side effect of other functions, but ++ * we had to release the lock to prevent deadlocks, so ++ * need to lock again. ++ */ + +- return 0; /* yaffs_do_sync_fs(sb);*/ ++ yaffs_GrossLock(dev); + ++ obj = yaffs_FindObjectByNumber(dev, inode->i_ino); ++ ++ yaffs_FillInodeFromObject(inode, obj); ++ ++ yaffs_GrossUnlock(dev); ++ ++ unlock_new_inode(inode); ++ return inode; + } + ++#else + + static void yaffs_read_inode(struct inode *inode) + { +@@ -1438,7 +1682,7 @@ static void yaffs_read_inode(struct inod + yaffs_Device *dev = yaffs_SuperToDevice(inode->i_sb); + + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_read_inode for %d\n", (int)inode->i_ino)); ++ ("yaffs_read_inode for %d\n", (int)inode->i_ino)); + + yaffs_GrossLock(dev); + +@@ -1449,18 +1693,20 @@ static void yaffs_read_inode(struct inod + yaffs_GrossUnlock(dev); + } + +-static LIST_HEAD(yaffs_dev_list); ++#endif ++ ++static YLIST_HEAD(yaffs_dev_list); + +-#if 0 // not used ++#if 0 /* not used */ + static int yaffs_remount_fs(struct super_block *sb, int *flags, char *data) + { + yaffs_Device *dev = yaffs_SuperToDevice(sb); + +- if( *flags & MS_RDONLY ) { ++ if (*flags & MS_RDONLY) { + struct mtd_info *mtd = yaffs_SuperToDevice(sb)->genericDevice; + + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_remount_fs: %s: RO\n", dev->name )); ++ ("yaffs_remount_fs: %s: RO\n", dev->name)); + + yaffs_GrossLock(dev); + +@@ -1472,10 +1718,9 @@ static int yaffs_remount_fs(struct super + mtd->sync(mtd); + + yaffs_GrossUnlock(dev); +- } +- else { ++ } else { + T(YAFFS_TRACE_OS, +- (KERN_DEBUG "yaffs_remount_fs: %s: RW\n", dev->name )); ++ ("yaffs_remount_fs: %s: RW\n", dev->name)); + } + + return 0; +@@ -1486,7 +1731,7 @@ static void yaffs_put_super(struct super + { + yaffs_Device *dev = yaffs_SuperToDevice(sb); + +- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_put_super\n")); ++ T(YAFFS_TRACE_OS, ("yaffs_put_super\n")); + + yaffs_GrossLock(dev); + +@@ -1494,18 +1739,17 @@ static void yaffs_put_super(struct super + + yaffs_CheckpointSave(dev); + +- if (dev->putSuperFunc) { ++ if (dev->putSuperFunc) + dev->putSuperFunc(sb); +- } + + yaffs_Deinitialise(dev); + + yaffs_GrossUnlock(dev); + + /* we assume this is protected by lock_kernel() in mount/umount */ +- list_del(&dev->devList); ++ ylist_del(&dev->devList); + +- if(dev->spareBuffer){ ++ if (dev->spareBuffer) { + YFREE(dev->spareBuffer); + dev->spareBuffer = NULL; + } +@@ -1516,12 +1760,10 @@ static void yaffs_put_super(struct super + + static void yaffs_MTDPutSuper(struct super_block *sb) + { +- + struct mtd_info *mtd = yaffs_SuperToDevice(sb)->genericDevice; + +- if (mtd->sync) { ++ if (mtd->sync) + mtd->sync(mtd); +- } + + put_mtd_device(mtd); + } +@@ -1531,9 +1773,9 @@ static void yaffs_MarkSuperBlockDirty(vo + { + struct super_block *sb = (struct super_block *)vsb; + +- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_MarkSuperBlockDirty() sb = %p\n",sb)); +-// if(sb) +-// sb->s_dirt = 1; ++ T(YAFFS_TRACE_OS, ("yaffs_MarkSuperBlockDirty() sb = %p\n", sb)); ++ if (sb) ++ sb->s_dirt = 1; + } + + typedef struct { +@@ -1546,48 +1788,48 @@ typedef struct { + #define MAX_OPT_LEN 20 + static int yaffs_parse_options(yaffs_options *options, const char *options_str) + { +- char cur_opt[MAX_OPT_LEN+1]; ++ char cur_opt[MAX_OPT_LEN + 1]; + int p; + int error = 0; + + /* Parse through the options which is a comma seperated list */ + +- while(options_str && *options_str && !error){ +- memset(cur_opt,0,MAX_OPT_LEN+1); ++ while (options_str && *options_str && !error) { ++ memset(cur_opt, 0, MAX_OPT_LEN + 1); + p = 0; + +- while(*options_str && *options_str != ','){ +- if(p < MAX_OPT_LEN){ ++ while (*options_str && *options_str != ',') { ++ if (p < MAX_OPT_LEN) { + cur_opt[p] = *options_str; + p++; + } + options_str++; + } + +- if(!strcmp(cur_opt,"inband-tags")) ++ if (!strcmp(cur_opt, "inband-tags")) + options->inband_tags = 1; +- else if(!strcmp(cur_opt,"no-cache")) ++ else if (!strcmp(cur_opt, "no-cache")) + options->no_cache = 1; +- else if(!strcmp(cur_opt,"no-checkpoint-read")) ++ else if (!strcmp(cur_opt, "no-checkpoint-read")) + options->skip_checkpoint_read = 1; +- else if(!strcmp(cur_opt,"no-checkpoint-write")) ++ else if (!strcmp(cur_opt, "no-checkpoint-write")) + options->skip_checkpoint_write = 1; +- else if(!strcmp(cur_opt,"no-checkpoint")){ ++ else if (!strcmp(cur_opt, "no-checkpoint")) { + options->skip_checkpoint_read = 1; + options->skip_checkpoint_write = 1; + } else { +- printk(KERN_INFO "yaffs: Bad mount option \"%s\"\n",cur_opt); ++ printk(KERN_INFO "yaffs: Bad mount option \"%s\"\n", ++ cur_opt); + error = 1; + } +- + } + + return error; + } + + static struct super_block *yaffs_internal_read_super(int yaffsVersion, +- struct super_block *sb, +- void *data, int silent) ++ struct super_block *sb, ++ void *data, int silent) + { + int nBlocks; + struct inode *inode = NULL; +@@ -1602,6 +1844,7 @@ static struct super_block *yaffs_interna + + sb->s_magic = YAFFS_MAGIC; + sb->s_op = &yaffs_super_ops; ++ sb->s_flags |= MS_NOATIME; + + if (!sb) + printk(KERN_INFO "yaffs: sb is NULL\n"); +@@ -1614,14 +1857,14 @@ static struct super_block *yaffs_interna + sb->s_dev, + yaffs_devname(sb, devname_buf)); + +- if(!data_str) ++ if (!data_str) + data_str = ""; + +- printk(KERN_INFO "yaffs: passed flags \"%s\"\n",data_str); ++ printk(KERN_INFO "yaffs: passed flags \"%s\"\n", data_str); + +- memset(&options,0,sizeof(options)); ++ memset(&options, 0, sizeof(options)); + +- if(yaffs_parse_options(&options,data_str)){ ++ if (yaffs_parse_options(&options, data_str)) { + /* Option parsing failed */ + return NULL; + } +@@ -1645,9 +1888,9 @@ static struct super_block *yaffs_interna + yaffs_devname(sb, devname_buf))); + + /* Check it's an mtd device..... */ +- if (MAJOR(sb->s_dev) != MTD_BLOCK_MAJOR) { ++ if (MAJOR(sb->s_dev) != MTD_BLOCK_MAJOR) + return NULL; /* This isn't an mtd device */ +- } ++ + /* Get the device */ + mtd = get_mtd_device(NULL, MINOR(sb->s_dev)); + if (!mtd) { +@@ -1673,29 +1916,23 @@ static struct super_block *yaffs_interna + T(YAFFS_TRACE_OS, (" %s %d\n", WRITE_SIZE_STR, WRITE_SIZE(mtd))); + T(YAFFS_TRACE_OS, (" oobsize %d\n", mtd->oobsize)); + T(YAFFS_TRACE_OS, (" erasesize %d\n", mtd->erasesize)); +- T(YAFFS_TRACE_OS, (" size %d\n", mtd->size)); ++#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29) ++ T(YAFFS_TRACE_OS, (" size %u\n", mtd->size)); ++#else ++ T(YAFFS_TRACE_OS, (" size %lld\n", mtd->size)); ++#endif + + #ifdef CONFIG_YAFFS_AUTO_YAFFS2 + +- if (yaffsVersion == 1 && +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) +- mtd->writesize >= 2048) { +-#else +- mtd->oobblock >= 2048) { +-#endif +- T(YAFFS_TRACE_ALWAYS,("yaffs: auto selecting yaffs2\n")); +- yaffsVersion = 2; ++ if (yaffsVersion == 1 && WRITE_SIZE(mtd) >= 2048) { ++ T(YAFFS_TRACE_ALWAYS, ("yaffs: auto selecting yaffs2\n")); ++ yaffsVersion = 2; + } + + /* Added NCB 26/5/2006 for completeness */ +- if (yaffsVersion == 2 && +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) +- mtd->writesize == 512) { +-#else +- mtd->oobblock == 512) { +-#endif +- T(YAFFS_TRACE_ALWAYS,("yaffs: auto selecting yaffs1\n")); +- yaffsVersion = 1; ++ if (yaffsVersion == 2 && !options.inband_tags && WRITE_SIZE(mtd) == 512) { ++ T(YAFFS_TRACE_ALWAYS, ("yaffs: auto selecting yaffs1\n")); ++ yaffsVersion = 1; + } + + #endif +@@ -1707,7 +1944,7 @@ static struct super_block *yaffs_interna + !mtd->block_markbad || + !mtd->read || + !mtd->write || +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) + !mtd->read_oob || !mtd->write_oob) { + #else + !mtd->write_ecc || +@@ -1719,12 +1956,9 @@ static struct super_block *yaffs_interna + return NULL; + } + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) +- if (mtd->writesize < YAFFS_MIN_YAFFS2_CHUNK_SIZE || +-#else +- if (mtd->oobblock < YAFFS_MIN_YAFFS2_CHUNK_SIZE || +-#endif +- mtd->oobsize < YAFFS_MIN_YAFFS2_SPARE_SIZE) { ++ if ((WRITE_SIZE(mtd) < YAFFS_MIN_YAFFS2_CHUNK_SIZE || ++ mtd->oobsize < YAFFS_MIN_YAFFS2_SPARE_SIZE) && ++ !options.inband_tags) { + T(YAFFS_TRACE_ALWAYS, + ("yaffs: MTD device does not have the " + "right page sizes\n")); +@@ -1735,7 +1969,7 @@ static struct super_block *yaffs_interna + if (!mtd->erase || + !mtd->read || + !mtd->write || +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) + !mtd->read_oob || !mtd->write_oob) { + #else + !mtd->write_ecc || +@@ -1761,7 +1995,7 @@ static struct super_block *yaffs_interna + * Set the yaffs_Device up for mtd + */ + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + sb->s_fs_info = dev = kmalloc(sizeof(yaffs_Device), GFP_KERNEL); + #else + sb->u.generic_sbp = dev = kmalloc(sizeof(yaffs_Device), GFP_KERNEL); +@@ -1780,13 +2014,15 @@ static struct super_block *yaffs_interna + + /* Set up the memory size parameters.... */ + +- nBlocks = mtd->size / (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK); ++ nBlocks = YCALCBLOCKS(mtd->size, (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK)); ++ + dev->startBlock = 0; + dev->endBlock = nBlocks - 1; + dev->nChunksPerBlock = YAFFS_CHUNKS_PER_BLOCK; +- dev->nDataBytesPerChunk = YAFFS_BYTES_PER_CHUNK; ++ dev->totalBytesPerChunk = YAFFS_BYTES_PER_CHUNK; + dev->nReservedBlocks = 5; + dev->nShortOpCaches = (options.no_cache) ? 0 : 10; ++ dev->inbandTags = options.inband_tags; + + /* ... and the functions. */ + if (yaffsVersion == 2) { +@@ -1798,20 +2034,19 @@ static struct super_block *yaffs_interna + dev->queryNANDBlock = nandmtd2_QueryNANDBlock; + dev->spareBuffer = YMALLOC(mtd->oobsize); + dev->isYaffs2 = 1; +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) +- dev->nDataBytesPerChunk = mtd->writesize; ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++ dev->totalBytesPerChunk = mtd->writesize; + dev->nChunksPerBlock = mtd->erasesize / mtd->writesize; + #else +- dev->nDataBytesPerChunk = mtd->oobblock; ++ dev->totalBytesPerChunk = mtd->oobblock; + dev->nChunksPerBlock = mtd->erasesize / mtd->oobblock; + #endif +- nBlocks = mtd->size / mtd->erasesize; ++ nBlocks = YCALCBLOCKS(mtd->size, mtd->erasesize); + +- dev->nCheckpointReservedBlocks = CONFIG_YAFFS_CHECKPOINT_RESERVED_BLOCKS; + dev->startBlock = 0; + dev->endBlock = nBlocks - 1; + } else { +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) + /* use the MTD interface in yaffs_mtdif1.c */ + dev->writeChunkWithTagsToNAND = + nandmtd1_WriteChunkWithTagsToNAND; +@@ -1847,7 +2082,7 @@ static struct super_block *yaffs_interna + dev->skipCheckpointWrite = options.skip_checkpoint_write; + + /* we assume this is protected by lock_kernel() in mount/umount */ +- list_add_tail(&dev->devList, &yaffs_dev_list); ++ ylist_add_tail(&dev->devList, &yaffs_dev_list); + + init_MUTEX(&dev->grossLock); + +@@ -1884,20 +2119,23 @@ static struct super_block *yaffs_interna + return NULL; + } + sb->s_root = root; ++ sb->s_dirt = !dev->isCheckpointed; ++ T(YAFFS_TRACE_ALWAYS, ++ ("yaffs_read_super: isCheckpointed %d\n", dev->isCheckpointed)); + + T(YAFFS_TRACE_OS, ("yaffs_read_super: done\n")); + return sb; + } + + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + static int yaffs_internal_read_super_mtd(struct super_block *sb, void *data, + int silent) + { + return yaffs_internal_read_super(1, sb, data, silent) ? 0 : -EINVAL; + } + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) + static int yaffs_read_super(struct file_system_type *fs, + int flags, const char *dev_name, + void *data, struct vfsmount *mnt) +@@ -1938,14 +2176,14 @@ static DECLARE_FSTYPE(yaffs_fs_type, "ya + + #ifdef CONFIG_YAFFS_YAFFS2 + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + static int yaffs2_internal_read_super_mtd(struct super_block *sb, void *data, + int silent) + { + return yaffs_internal_read_super(2, sb, data, silent) ? 0 : -EINVAL; + } + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) + static int yaffs2_read_super(struct file_system_type *fs, + int flags, const char *dev_name, void *data, + struct vfsmount *mnt) +@@ -1990,12 +2228,12 @@ static char *yaffs_dump_dev(char *buf, y + { + buf += sprintf(buf, "startBlock......... %d\n", dev->startBlock); + buf += sprintf(buf, "endBlock........... %d\n", dev->endBlock); ++ buf += sprintf(buf, "totalBytesPerChunk. %d\n", dev->totalBytesPerChunk); + buf += sprintf(buf, "nDataBytesPerChunk. %d\n", dev->nDataBytesPerChunk); + buf += sprintf(buf, "chunkGroupBits..... %d\n", dev->chunkGroupBits); + buf += sprintf(buf, "chunkGroupSize..... %d\n", dev->chunkGroupSize); + buf += sprintf(buf, "nErasedBlocks...... %d\n", dev->nErasedBlocks); + buf += sprintf(buf, "nReservedBlocks.... %d\n", dev->nReservedBlocks); +- buf += sprintf(buf, "nCheckptResBlocks.. %d\n", dev->nCheckpointReservedBlocks); + buf += sprintf(buf, "blocksInCheckpoint. %d\n", dev->blocksInCheckpoint); + buf += sprintf(buf, "nTnodesCreated..... %d\n", dev->nTnodesCreated); + buf += sprintf(buf, "nFreeTnodes........ %d\n", dev->nFreeTnodes); +@@ -2006,10 +2244,8 @@ static char *yaffs_dump_dev(char *buf, y + buf += sprintf(buf, "nPageReads......... %d\n", dev->nPageReads); + buf += sprintf(buf, "nBlockErasures..... %d\n", dev->nBlockErasures); + buf += sprintf(buf, "nGCCopies.......... %d\n", dev->nGCCopies); +- buf += +- sprintf(buf, "garbageCollections. %d\n", dev->garbageCollections); +- buf += +- sprintf(buf, "passiveGCs......... %d\n", ++ buf += sprintf(buf, "garbageCollections. %d\n", dev->garbageCollections); ++ buf += sprintf(buf, "passiveGCs......... %d\n", + dev->passiveGarbageCollections); + buf += sprintf(buf, "nRetriedWrites..... %d\n", dev->nRetriedWrites); + buf += sprintf(buf, "nShortOpCaches..... %d\n", dev->nShortOpCaches); +@@ -2025,6 +2261,7 @@ static char *yaffs_dump_dev(char *buf, y + sprintf(buf, "nBackgroudDeletions %d\n", dev->nBackgroundDeletions); + buf += sprintf(buf, "useNANDECC......... %d\n", dev->useNANDECC); + buf += sprintf(buf, "isYaffs2........... %d\n", dev->isYaffs2); ++ buf += sprintf(buf, "inbandTags......... %d\n", dev->inbandTags); + + return buf; + } +@@ -2033,7 +2270,7 @@ static int yaffs_proc_read(char *page, + char **start, + off_t offset, int count, int *eof, void *data) + { +- struct list_head *item; ++ struct ylist_head *item; + char *buf = page; + int step = offset; + int n = 0; +@@ -2057,8 +2294,8 @@ static int yaffs_proc_read(char *page, + lock_kernel(); + + /* Locate and print the Nth entry. Order N-squared but N is small. */ +- list_for_each(item, &yaffs_dev_list) { +- yaffs_Device *dev = list_entry(item, yaffs_Device, devList); ++ ylist_for_each(item, &yaffs_dev_list) { ++ yaffs_Device *dev = ylist_entry(item, yaffs_Device, devList); + if (n < step) { + n++; + continue; +@@ -2119,7 +2356,7 @@ static int yaffs_proc_write(struct file + char *end; + char *mask_name; + const char *x; +- char substring[MAX_MASK_NAME_LENGTH+1]; ++ char substring[MAX_MASK_NAME_LENGTH + 1]; + int i; + int done = 0; + int add, len = 0; +@@ -2129,9 +2366,8 @@ static int yaffs_proc_write(struct file + + while (!done && (pos < count)) { + done = 1; +- while ((pos < count) && isspace(buf[pos])) { ++ while ((pos < count) && isspace(buf[pos])) + pos++; +- } + + switch (buf[pos]) { + case '+': +@@ -2148,20 +2384,21 @@ static int yaffs_proc_write(struct file + mask_name = NULL; + + mask_bitfield = simple_strtoul(buf + pos, &end, 0); ++ + if (end > buf + pos) { + mask_name = "numeral"; + len = end - (buf + pos); + pos += len; + done = 0; + } else { +- for(x = buf + pos, i = 0; +- (*x == '_' || (*x >='a' && *x <= 'z')) && +- i <MAX_MASK_NAME_LENGTH; x++, i++, pos++) +- substring[i] = *x; ++ for (x = buf + pos, i = 0; ++ (*x == '_' || (*x >= 'a' && *x <= 'z')) && ++ i < MAX_MASK_NAME_LENGTH; x++, i++, pos++) ++ substring[i] = *x; + substring[i] = '\0'; + + for (i = 0; mask_flags[i].mask_name != NULL; i++) { +- if(strcmp(substring,mask_flags[i].mask_name) == 0){ ++ if (strcmp(substring, mask_flags[i].mask_name) == 0) { + mask_name = mask_flags[i].mask_name; + mask_bitfield = mask_flags[i].mask_bitfield; + done = 0; +@@ -2172,7 +2409,7 @@ static int yaffs_proc_write(struct file + + if (mask_name != NULL) { + done = 0; +- switch(add) { ++ switch (add) { + case '-': + rg &= ~mask_bitfield; + break; +@@ -2191,13 +2428,13 @@ static int yaffs_proc_write(struct file + + yaffs_traceMask = rg | YAFFS_TRACE_ALWAYS; + +- printk("new trace = 0x%08X\n",yaffs_traceMask); ++ printk(KERN_DEBUG "new trace = 0x%08X\n", yaffs_traceMask); + + if (rg & YAFFS_TRACE_ALWAYS) { + for (i = 0; mask_flags[i].mask_name != NULL; i++) { + char flag; + flag = ((rg & mask_flags[i].mask_bitfield) == mask_flags[i].mask_bitfield) ? '+' : '-'; +- printk("%c%s\n", flag, mask_flags[i].mask_name); ++ printk(KERN_DEBUG "%c%s\n", flag, mask_flags[i].mask_name); + } + } + +@@ -2211,12 +2448,8 @@ struct file_system_to_install { + }; + + static struct file_system_to_install fs_to_install[] = { +-//#ifdef CONFIG_YAFFS_YAFFS1 + {&yaffs_fs_type, 0}, +-//#endif +-//#ifdef CONFIG_YAFFS_YAFFS2 + {&yaffs2_fs_type, 0}, +-//#endif + {NULL, 0} + }; + +@@ -2231,15 +2464,14 @@ static int __init init_yaffs_fs(void) + /* Install the proc_fs entry */ + my_proc_entry = create_proc_entry("yaffs", + S_IRUGO | S_IFREG, +- &proc_root); ++ YPROC_ROOT); + + if (my_proc_entry) { + my_proc_entry->write_proc = yaffs_proc_write; + my_proc_entry->read_proc = yaffs_proc_read; + my_proc_entry->data = NULL; +- } else { ++ } else + return -ENOMEM; +- } + + /* Now add the file system entries */ + +@@ -2247,9 +2479,8 @@ static int __init init_yaffs_fs(void) + + while (fsinst->fst && !error) { + error = register_filesystem(fsinst->fst); +- if (!error) { ++ if (!error) + fsinst->installed = 1; +- } + fsinst++; + } + +@@ -2277,7 +2508,7 @@ static void __exit exit_yaffs_fs(void) + T(YAFFS_TRACE_ALWAYS, ("yaffs " __DATE__ " " __TIME__ + " removing. \n")); + +- remove_proc_entry("yaffs", &proc_root); ++ remove_proc_entry("yaffs", YPROC_ROOT); + + fsinst = fs_to_install; + +@@ -2288,7 +2519,6 @@ static void __exit exit_yaffs_fs(void) + } + fsinst++; + } +- + } + + module_init(init_yaffs_fs) +--- /dev/null ++++ b/fs/yaffs2/yaffs_getblockinfo.h +@@ -0,0 +1,34 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2007 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning <charles@aleph1.co.uk> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++#ifndef __YAFFS_GETBLOCKINFO_H__ ++#define __YAFFS_GETBLOCKINFO_H__ ++ ++#include "yaffs_guts.h" ++ ++/* Function to manipulate block info */ ++static Y_INLINE yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device * dev, int blk) ++{ ++ if (blk < dev->internalStartBlock || blk > dev->internalEndBlock) { ++ T(YAFFS_TRACE_ERROR, ++ (TSTR ++ ("**>> yaffs: getBlockInfo block %d is not valid" TENDSTR), ++ blk)); ++ YBUG(); ++ } ++ return &dev->blockInfo[blk - dev->internalStartBlock]; ++} ++ ++#endif +--- a/fs/yaffs2/yaffs_guts.c ++++ b/fs/yaffs2/yaffs_guts.c +@@ -12,16 +12,17 @@ + */ + + const char *yaffs_guts_c_version = +- "$Id: yaffs_guts.c,v 1.49 2007-05-15 20:07:40 charles Exp $"; ++ "$Id: yaffs_guts.c,v 1.82 2009-03-09 04:24:17 charles Exp $"; + + #include "yportenv.h" + + #include "yaffsinterface.h" + #include "yaffs_guts.h" + #include "yaffs_tagsvalidity.h" ++#include "yaffs_getblockinfo.h" + + #include "yaffs_tagscompat.h" +-#ifndef CONFIG_YAFFS_USE_OWN_SORT ++#ifndef CONFIG_YAFFS_USE_OWN_SORT + #include "yaffs_qsort.h" + #endif + #include "yaffs_nand.h" +@@ -32,116 +33,116 @@ const char *yaffs_guts_c_version = + #include "yaffs_packedtags2.h" + + +-#ifdef CONFIG_YAFFS_WINCE +-void yfsd_LockYAFFS(BOOL fsLockOnly); +-void yfsd_UnlockYAFFS(BOOL fsLockOnly); +-#endif +- + #define YAFFS_PASSIVE_GC_CHUNKS 2 + + #include "yaffs_ecc.h" + + + /* Robustification (if it ever comes about...) */ +-static void yaffs_RetireBlock(yaffs_Device * dev, int blockInNAND); +-static void yaffs_HandleWriteChunkError(yaffs_Device * dev, int chunkInNAND, int erasedOk); +-static void yaffs_HandleWriteChunkOk(yaffs_Device * dev, int chunkInNAND, +- const __u8 * data, +- const yaffs_ExtendedTags * tags); +-static void yaffs_HandleUpdateChunk(yaffs_Device * dev, int chunkInNAND, +- const yaffs_ExtendedTags * tags); ++static void yaffs_RetireBlock(yaffs_Device *dev, int blockInNAND); ++static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND, ++ int erasedOk); ++static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND, ++ const __u8 *data, ++ const yaffs_ExtendedTags *tags); ++static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND, ++ const yaffs_ExtendedTags *tags); + + /* Other local prototypes */ +-static int yaffs_UnlinkObject( yaffs_Object *obj); ++static int yaffs_UnlinkObject(yaffs_Object *obj); + static int yaffs_ObjectHasCachedWriteData(yaffs_Object *obj); + + static void yaffs_HardlinkFixup(yaffs_Device *dev, yaffs_Object *hardList); + +-static int yaffs_WriteNewChunkWithTagsToNAND(yaffs_Device * dev, +- const __u8 * buffer, +- yaffs_ExtendedTags * tags, +- int useReserve); +-static int yaffs_PutChunkIntoFile(yaffs_Object * in, int chunkInInode, +- int chunkInNAND, int inScan); +- +-static yaffs_Object *yaffs_CreateNewObject(yaffs_Device * dev, int number, +- yaffs_ObjectType type); +-static void yaffs_AddObjectToDirectory(yaffs_Object * directory, +- yaffs_Object * obj); +-static int yaffs_UpdateObjectHeader(yaffs_Object * in, const YCHAR * name, +- int force, int isShrink, int shadows); +-static void yaffs_RemoveObjectFromDirectory(yaffs_Object * obj); ++static int yaffs_WriteNewChunkWithTagsToNAND(yaffs_Device *dev, ++ const __u8 *buffer, ++ yaffs_ExtendedTags *tags, ++ int useReserve); ++static int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode, ++ int chunkInNAND, int inScan); ++ ++static yaffs_Object *yaffs_CreateNewObject(yaffs_Device *dev, int number, ++ yaffs_ObjectType type); ++static void yaffs_AddObjectToDirectory(yaffs_Object *directory, ++ yaffs_Object *obj); ++static int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name, ++ int force, int isShrink, int shadows); ++static void yaffs_RemoveObjectFromDirectory(yaffs_Object *obj); + static int yaffs_CheckStructures(void); +-static int yaffs_DeleteWorker(yaffs_Object * in, yaffs_Tnode * tn, __u32 level, +- int chunkOffset, int *limit); +-static int yaffs_DoGenericObjectDeletion(yaffs_Object * in); +- +-static yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device * dev, int blockNo); +- +-static __u8 *yaffs_GetTempBuffer(yaffs_Device * dev, int lineNo); +-static void yaffs_ReleaseTempBuffer(yaffs_Device * dev, __u8 * buffer, +- int lineNo); ++static int yaffs_DeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, __u32 level, ++ int chunkOffset, int *limit); ++static int yaffs_DoGenericObjectDeletion(yaffs_Object *in); ++ ++static yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device *dev, int blockNo); + +-static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev, +- int chunkInNAND); + +-static int yaffs_UnlinkWorker(yaffs_Object * obj); +-static void yaffs_DestroyObject(yaffs_Object * obj); ++static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev, ++ int chunkInNAND); + +-static int yaffs_TagsMatch(const yaffs_ExtendedTags * tags, int objectId, +- int chunkInObject); ++static int yaffs_UnlinkWorker(yaffs_Object *obj); + +-loff_t yaffs_GetFileSize(yaffs_Object * obj); ++static int yaffs_TagsMatch(const yaffs_ExtendedTags *tags, int objectId, ++ int chunkInObject); + +-static int yaffs_AllocateChunk(yaffs_Device * dev, int useReserve, yaffs_BlockInfo **blockUsedPtr); ++static int yaffs_AllocateChunk(yaffs_Device *dev, int useReserve, ++ yaffs_BlockInfo **blockUsedPtr); + +-static void yaffs_VerifyFreeChunks(yaffs_Device * dev); ++static void yaffs_VerifyFreeChunks(yaffs_Device *dev); + + static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in); + ++static void yaffs_VerifyDirectory(yaffs_Object *directory); + #ifdef YAFFS_PARANOID +-static int yaffs_CheckFileSanity(yaffs_Object * in); ++static int yaffs_CheckFileSanity(yaffs_Object *in); + #else + #define yaffs_CheckFileSanity(in) + #endif + +-static void yaffs_InvalidateWholeChunkCache(yaffs_Object * in); +-static void yaffs_InvalidateChunkCache(yaffs_Object * object, int chunkId); ++static void yaffs_InvalidateWholeChunkCache(yaffs_Object *in); ++static void yaffs_InvalidateChunkCache(yaffs_Object *object, int chunkId); + + static void yaffs_InvalidateCheckpoint(yaffs_Device *dev); + +-static int yaffs_FindChunkInFile(yaffs_Object * in, int chunkInInode, +- yaffs_ExtendedTags * tags); ++static int yaffs_FindChunkInFile(yaffs_Object *in, int chunkInInode, ++ yaffs_ExtendedTags *tags); + +-static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos); +-static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device * dev, +- yaffs_FileStructure * fStruct, +- __u32 chunkId); ++static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn, ++ unsigned pos); ++static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device *dev, ++ yaffs_FileStructure *fStruct, ++ __u32 chunkId); + + + /* Function to calculate chunk and offset */ + +-static void yaffs_AddrToChunk(yaffs_Device *dev, loff_t addr, __u32 *chunk, __u32 *offset) ++static void yaffs_AddrToChunk(yaffs_Device *dev, loff_t addr, int *chunkOut, ++ __u32 *offsetOut) + { +- if(dev->chunkShift){ +- /* Easy-peasy power of 2 case */ +- *chunk = (__u32)(addr >> dev->chunkShift); +- *offset = (__u32)(addr & dev->chunkMask); +- } +- else if(dev->crumbsPerChunk) +- { +- /* Case where we're using "crumbs" */ +- *offset = (__u32)(addr & dev->crumbMask); +- addr >>= dev->crumbShift; +- *chunk = ((__u32)addr)/dev->crumbsPerChunk; +- *offset += ((addr - (*chunk * dev->crumbsPerChunk)) << dev->crumbShift); ++ int chunk; ++ __u32 offset; ++ ++ chunk = (__u32)(addr >> dev->chunkShift); ++ ++ if (dev->chunkDiv == 1) { ++ /* easy power of 2 case */ ++ offset = (__u32)(addr & dev->chunkMask); ++ } else { ++ /* Non power-of-2 case */ ++ ++ loff_t chunkBase; ++ ++ chunk /= dev->chunkDiv; ++ ++ chunkBase = ((loff_t)chunk) * dev->nDataBytesPerChunk; ++ offset = (__u32)(addr - chunkBase); + } +- else +- YBUG(); ++ ++ *chunkOut = chunk; ++ *offsetOut = offset; + } + +-/* Function to return the number of shifts for a power of 2 greater than or equal +- * to the given number ++/* Function to return the number of shifts for a power of 2 greater than or ++ * equal to the given number + * Note we don't try to cater for all possible numbers and this does not have to + * be hellishly efficient. + */ +@@ -153,13 +154,14 @@ static __u32 ShiftsGE(__u32 x) + + nShifts = extraBits = 0; + +- while(x>1){ +- if(x & 1) extraBits++; +- x>>=1; ++ while (x > 1) { ++ if (x & 1) ++ extraBits++; ++ x >>= 1; + nShifts++; + } + +- if(extraBits) ++ if (extraBits) + nShifts++; + + return nShifts; +@@ -168,16 +170,17 @@ static __u32 ShiftsGE(__u32 x) + /* Function to return the number of shifts to get a 1 in bit 0 + */ + +-static __u32 ShiftDiv(__u32 x) ++static __u32 Shifts(__u32 x) + { + int nShifts; + + nShifts = 0; + +- if(!x) return 0; ++ if (!x) ++ return 0; + +- while( !(x&1)){ +- x>>=1; ++ while (!(x&1)) { ++ x >>= 1; + nShifts++; + } + +@@ -195,21 +198,25 @@ static int yaffs_InitialiseTempBuffers(y + int i; + __u8 *buf = (__u8 *)1; + +- memset(dev->tempBuffer,0,sizeof(dev->tempBuffer)); ++ memset(dev->tempBuffer, 0, sizeof(dev->tempBuffer)); + + for (i = 0; buf && i < YAFFS_N_TEMP_BUFFERS; i++) { + dev->tempBuffer[i].line = 0; /* not in use */ + dev->tempBuffer[i].buffer = buf = +- YMALLOC_DMA(dev->nDataBytesPerChunk); ++ YMALLOC_DMA(dev->totalBytesPerChunk); + } + + return buf ? YAFFS_OK : YAFFS_FAIL; +- + } + +-static __u8 *yaffs_GetTempBuffer(yaffs_Device * dev, int lineNo) ++__u8 *yaffs_GetTempBuffer(yaffs_Device *dev, int lineNo) + { + int i, j; ++ ++ dev->tempInUse++; ++ if (dev->tempInUse > dev->maxTemp) ++ dev->maxTemp = dev->tempInUse; ++ + for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) { + if (dev->tempBuffer[i].line == 0) { + dev->tempBuffer[i].line = lineNo; +@@ -227,9 +234,9 @@ static __u8 *yaffs_GetTempBuffer(yaffs_D + T(YAFFS_TRACE_BUFFERS, + (TSTR("Out of temp buffers at line %d, other held by lines:"), + lineNo)); +- for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) { ++ for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) + T(YAFFS_TRACE_BUFFERS, (TSTR(" %d "), dev->tempBuffer[i].line)); +- } ++ + T(YAFFS_TRACE_BUFFERS, (TSTR(" " TENDSTR))); + + /* +@@ -242,10 +249,13 @@ static __u8 *yaffs_GetTempBuffer(yaffs_D + + } + +-static void yaffs_ReleaseTempBuffer(yaffs_Device * dev, __u8 * buffer, ++void yaffs_ReleaseTempBuffer(yaffs_Device *dev, __u8 *buffer, + int lineNo) + { + int i; ++ ++ dev->tempInUse--; ++ + for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) { + if (dev->tempBuffer[i].buffer == buffer) { + dev->tempBuffer[i].line = 0; +@@ -267,27 +277,26 @@ static void yaffs_ReleaseTempBuffer(yaff + /* + * Determine if we have a managed buffer. + */ +-int yaffs_IsManagedTempBuffer(yaffs_Device * dev, const __u8 * buffer) ++int yaffs_IsManagedTempBuffer(yaffs_Device *dev, const __u8 *buffer) + { + int i; ++ + for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) { + if (dev->tempBuffer[i].buffer == buffer) + return 1; ++ } + ++ for (i = 0; i < dev->nShortOpCaches; i++) { ++ if (dev->srCache[i].data == buffer) ++ return 1; + } + +- for (i = 0; i < dev->nShortOpCaches; i++) { +- if( dev->srCache[i].data == buffer ) +- return 1; +- +- } +- +- if (buffer == dev->checkpointBuffer) +- return 1; +- +- T(YAFFS_TRACE_ALWAYS, +- (TSTR("yaffs: unmaged buffer detected.\n" TENDSTR))); +- return 0; ++ if (buffer == dev->checkpointBuffer) ++ return 1; ++ ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR("yaffs: unmaged buffer detected.\n" TENDSTR))); ++ return 0; + } + + +@@ -296,62 +305,63 @@ int yaffs_IsManagedTempBuffer(yaffs_Devi + * Chunk bitmap manipulations + */ + +-static Y_INLINE __u8 *yaffs_BlockBits(yaffs_Device * dev, int blk) ++static Y_INLINE __u8 *yaffs_BlockBits(yaffs_Device *dev, int blk) + { + if (blk < dev->internalStartBlock || blk > dev->internalEndBlock) { + T(YAFFS_TRACE_ERROR, +- (TSTR("**>> yaffs: BlockBits block %d is not valid" TENDSTR), +- blk)); ++ (TSTR("**>> yaffs: BlockBits block %d is not valid" TENDSTR), ++ blk)); + YBUG(); + } + return dev->chunkBits + +- (dev->chunkBitmapStride * (blk - dev->internalStartBlock)); ++ (dev->chunkBitmapStride * (blk - dev->internalStartBlock)); + } + + static Y_INLINE void yaffs_VerifyChunkBitId(yaffs_Device *dev, int blk, int chunk) + { +- if(blk < dev->internalStartBlock || blk > dev->internalEndBlock || +- chunk < 0 || chunk >= dev->nChunksPerBlock) { +- T(YAFFS_TRACE_ERROR, +- (TSTR("**>> yaffs: Chunk Id (%d:%d) invalid"TENDSTR),blk,chunk)); +- YBUG(); ++ if (blk < dev->internalStartBlock || blk > dev->internalEndBlock || ++ chunk < 0 || chunk >= dev->nChunksPerBlock) { ++ T(YAFFS_TRACE_ERROR, ++ (TSTR("**>> yaffs: Chunk Id (%d:%d) invalid"TENDSTR), ++ blk, chunk)); ++ YBUG(); + } + } + +-static Y_INLINE void yaffs_ClearChunkBits(yaffs_Device * dev, int blk) ++static Y_INLINE void yaffs_ClearChunkBits(yaffs_Device *dev, int blk) + { + __u8 *blkBits = yaffs_BlockBits(dev, blk); + + memset(blkBits, 0, dev->chunkBitmapStride); + } + +-static Y_INLINE void yaffs_ClearChunkBit(yaffs_Device * dev, int blk, int chunk) ++static Y_INLINE void yaffs_ClearChunkBit(yaffs_Device *dev, int blk, int chunk) + { + __u8 *blkBits = yaffs_BlockBits(dev, blk); + +- yaffs_VerifyChunkBitId(dev,blk,chunk); ++ yaffs_VerifyChunkBitId(dev, blk, chunk); + + blkBits[chunk / 8] &= ~(1 << (chunk & 7)); + } + +-static Y_INLINE void yaffs_SetChunkBit(yaffs_Device * dev, int blk, int chunk) ++static Y_INLINE void yaffs_SetChunkBit(yaffs_Device *dev, int blk, int chunk) + { + __u8 *blkBits = yaffs_BlockBits(dev, blk); + +- yaffs_VerifyChunkBitId(dev,blk,chunk); ++ yaffs_VerifyChunkBitId(dev, blk, chunk); + + blkBits[chunk / 8] |= (1 << (chunk & 7)); + } + +-static Y_INLINE int yaffs_CheckChunkBit(yaffs_Device * dev, int blk, int chunk) ++static Y_INLINE int yaffs_CheckChunkBit(yaffs_Device *dev, int blk, int chunk) + { + __u8 *blkBits = yaffs_BlockBits(dev, blk); +- yaffs_VerifyChunkBitId(dev,blk,chunk); ++ yaffs_VerifyChunkBitId(dev, blk, chunk); + + return (blkBits[chunk / 8] & (1 << (chunk & 7))) ? 1 : 0; + } + +-static Y_INLINE int yaffs_StillSomeChunkBits(yaffs_Device * dev, int blk) ++static Y_INLINE int yaffs_StillSomeChunkBits(yaffs_Device *dev, int blk) + { + __u8 *blkBits = yaffs_BlockBits(dev, blk); + int i; +@@ -363,17 +373,17 @@ static Y_INLINE int yaffs_StillSomeChunk + return 0; + } + +-static int yaffs_CountChunkBits(yaffs_Device * dev, int blk) ++static int yaffs_CountChunkBits(yaffs_Device *dev, int blk) + { + __u8 *blkBits = yaffs_BlockBits(dev, blk); + int i; + int n = 0; + for (i = 0; i < dev->chunkBitmapStride; i++) { + __u8 x = *blkBits; +- while(x){ +- if(x & 1) ++ while (x) { ++ if (x & 1) + n++; +- x >>=1; ++ x >>= 1; + } + + blkBits++; +@@ -400,7 +410,7 @@ static int yaffs_SkipNANDVerification(ya + return !(yaffs_traceMask & (YAFFS_TRACE_VERIFY_NAND)); + } + +-static const char * blockStateName[] = { ++static const char *blockStateName[] = { + "Unknown", + "Needs scanning", + "Scanning", +@@ -413,64 +423,65 @@ static const char * blockStateName[] = { + "Dead" + }; + +-static void yaffs_VerifyBlock(yaffs_Device *dev,yaffs_BlockInfo *bi,int n) ++static void yaffs_VerifyBlock(yaffs_Device *dev, yaffs_BlockInfo *bi, int n) + { + int actuallyUsed; + int inUse; + +- if(yaffs_SkipVerification(dev)) ++ if (yaffs_SkipVerification(dev)) + return; + + /* Report illegal runtime states */ +- if(bi->blockState <0 || bi->blockState >= YAFFS_NUMBER_OF_BLOCK_STATES) +- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has undefined state %d"TENDSTR),n,bi->blockState)); ++ if (bi->blockState >= YAFFS_NUMBER_OF_BLOCK_STATES) ++ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has undefined state %d"TENDSTR), n, bi->blockState)); + +- switch(bi->blockState){ +- case YAFFS_BLOCK_STATE_UNKNOWN: +- case YAFFS_BLOCK_STATE_SCANNING: +- case YAFFS_BLOCK_STATE_NEEDS_SCANNING: +- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has bad run-state %s"TENDSTR), +- n,blockStateName[bi->blockState])); ++ switch (bi->blockState) { ++ case YAFFS_BLOCK_STATE_UNKNOWN: ++ case YAFFS_BLOCK_STATE_SCANNING: ++ case YAFFS_BLOCK_STATE_NEEDS_SCANNING: ++ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has bad run-state %s"TENDSTR), ++ n, blockStateName[bi->blockState])); + } + + /* Check pages in use and soft deletions are legal */ + + actuallyUsed = bi->pagesInUse - bi->softDeletions; + +- if(bi->pagesInUse < 0 || bi->pagesInUse > dev->nChunksPerBlock || ++ if (bi->pagesInUse < 0 || bi->pagesInUse > dev->nChunksPerBlock || + bi->softDeletions < 0 || bi->softDeletions > dev->nChunksPerBlock || + actuallyUsed < 0 || actuallyUsed > dev->nChunksPerBlock) +- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has illegal values pagesInUsed %d softDeletions %d"TENDSTR), +- n,bi->pagesInUse,bi->softDeletions)); ++ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has illegal values pagesInUsed %d softDeletions %d"TENDSTR), ++ n, bi->pagesInUse, bi->softDeletions)); + + + /* Check chunk bitmap legal */ +- inUse = yaffs_CountChunkBits(dev,n); +- if(inUse != bi->pagesInUse) +- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has inconsistent values pagesInUse %d counted chunk bits %d"TENDSTR), +- n,bi->pagesInUse,inUse)); ++ inUse = yaffs_CountChunkBits(dev, n); ++ if (inUse != bi->pagesInUse) ++ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has inconsistent values pagesInUse %d counted chunk bits %d"TENDSTR), ++ n, bi->pagesInUse, inUse)); + + /* Check that the sequence number is valid. + * Ten million is legal, but is very unlikely + */ +- if(dev->isYaffs2 && ++ if (dev->isYaffs2 && + (bi->blockState == YAFFS_BLOCK_STATE_ALLOCATING || bi->blockState == YAFFS_BLOCK_STATE_FULL) && +- (bi->sequenceNumber < YAFFS_LOWEST_SEQUENCE_NUMBER || bi->sequenceNumber > 10000000 )) +- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has suspect sequence number of %d"TENDSTR), +- n,bi->sequenceNumber)); +- ++ (bi->sequenceNumber < YAFFS_LOWEST_SEQUENCE_NUMBER || bi->sequenceNumber > 10000000)) ++ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has suspect sequence number of %d"TENDSTR), ++ n, bi->sequenceNumber)); + } + +-static void yaffs_VerifyCollectedBlock(yaffs_Device *dev,yaffs_BlockInfo *bi,int n) ++static void yaffs_VerifyCollectedBlock(yaffs_Device *dev, yaffs_BlockInfo *bi, ++ int n) + { +- yaffs_VerifyBlock(dev,bi,n); ++ yaffs_VerifyBlock(dev, bi, n); + + /* After collection the block should be in the erased state */ +- /* TODO: This will need to change if we do partial gc */ ++ /* This will need to change if we do partial gc */ + +- if(bi->blockState != YAFFS_BLOCK_STATE_EMPTY){ +- T(YAFFS_TRACE_ERROR,(TSTR("Block %d is in state %d after gc, should be erased"TENDSTR), +- n,bi->blockState)); ++ if (bi->blockState != YAFFS_BLOCK_STATE_COLLECTING && ++ bi->blockState != YAFFS_BLOCK_STATE_EMPTY) { ++ T(YAFFS_TRACE_ERROR, (TSTR("Block %d is in state %d after gc, should be erased"TENDSTR), ++ n, bi->blockState)); + } + } + +@@ -480,52 +491,49 @@ static void yaffs_VerifyBlocks(yaffs_Dev + int nBlocksPerState[YAFFS_NUMBER_OF_BLOCK_STATES]; + int nIllegalBlockStates = 0; + +- +- if(yaffs_SkipVerification(dev)) ++ if (yaffs_SkipVerification(dev)) + return; + +- memset(nBlocksPerState,0,sizeof(nBlocksPerState)); +- ++ memset(nBlocksPerState, 0, sizeof(nBlocksPerState)); + +- for(i = dev->internalStartBlock; i <= dev->internalEndBlock; i++){ +- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,i); +- yaffs_VerifyBlock(dev,bi,i); ++ for (i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) { ++ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, i); ++ yaffs_VerifyBlock(dev, bi, i); + +- if(bi->blockState >=0 && bi->blockState < YAFFS_NUMBER_OF_BLOCK_STATES) ++ if (bi->blockState < YAFFS_NUMBER_OF_BLOCK_STATES) + nBlocksPerState[bi->blockState]++; + else + nIllegalBlockStates++; +- + } + +- T(YAFFS_TRACE_VERIFY,(TSTR(""TENDSTR))); +- T(YAFFS_TRACE_VERIFY,(TSTR("Block summary"TENDSTR))); ++ T(YAFFS_TRACE_VERIFY, (TSTR(""TENDSTR))); ++ T(YAFFS_TRACE_VERIFY, (TSTR("Block summary"TENDSTR))); + +- T(YAFFS_TRACE_VERIFY,(TSTR("%d blocks have illegal states"TENDSTR),nIllegalBlockStates)); +- if(nBlocksPerState[YAFFS_BLOCK_STATE_ALLOCATING] > 1) +- T(YAFFS_TRACE_VERIFY,(TSTR("Too many allocating blocks"TENDSTR))); ++ T(YAFFS_TRACE_VERIFY, (TSTR("%d blocks have illegal states"TENDSTR), nIllegalBlockStates)); ++ if (nBlocksPerState[YAFFS_BLOCK_STATE_ALLOCATING] > 1) ++ T(YAFFS_TRACE_VERIFY, (TSTR("Too many allocating blocks"TENDSTR))); + +- for(i = 0; i < YAFFS_NUMBER_OF_BLOCK_STATES; i++) ++ for (i = 0; i < YAFFS_NUMBER_OF_BLOCK_STATES; i++) + T(YAFFS_TRACE_VERIFY, + (TSTR("%s %d blocks"TENDSTR), +- blockStateName[i],nBlocksPerState[i])); ++ blockStateName[i], nBlocksPerState[i])); + +- if(dev->blocksInCheckpoint != nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT]) ++ if (dev->blocksInCheckpoint != nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT]) + T(YAFFS_TRACE_VERIFY, + (TSTR("Checkpoint block count wrong dev %d count %d"TENDSTR), + dev->blocksInCheckpoint, nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT])); + +- if(dev->nErasedBlocks != nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY]) ++ if (dev->nErasedBlocks != nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY]) + T(YAFFS_TRACE_VERIFY, + (TSTR("Erased block count wrong dev %d count %d"TENDSTR), + dev->nErasedBlocks, nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY])); + +- if(nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING] > 1) ++ if (nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING] > 1) + T(YAFFS_TRACE_VERIFY, + (TSTR("Too many collecting blocks %d (max is 1)"TENDSTR), + nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING])); + +- T(YAFFS_TRACE_VERIFY,(TSTR(""TENDSTR))); ++ T(YAFFS_TRACE_VERIFY, (TSTR(""TENDSTR))); + + } + +@@ -535,26 +543,26 @@ static void yaffs_VerifyBlocks(yaffs_Dev + */ + static void yaffs_VerifyObjectHeader(yaffs_Object *obj, yaffs_ObjectHeader *oh, yaffs_ExtendedTags *tags, int parentCheck) + { +- if(yaffs_SkipVerification(obj->myDev)) ++ if (obj && yaffs_SkipVerification(obj->myDev)) + return; + +- if(!(tags && obj && oh)){ +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Verifying object header tags %x obj %x oh %x"TENDSTR), +- (__u32)tags,(__u32)obj,(__u32)oh)); ++ if (!(tags && obj && oh)) { ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Verifying object header tags %x obj %x oh %x"TENDSTR), ++ (__u32)tags, (__u32)obj, (__u32)oh)); + return; + } + +- if(oh->type <= YAFFS_OBJECT_TYPE_UNKNOWN || +- oh->type > YAFFS_OBJECT_TYPE_MAX) +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Obj %d header type is illegal value 0x%x"TENDSTR), +- tags->objectId, oh->type)); +- +- if(tags->objectId != obj->objectId) +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Obj %d header mismatch objectId %d"TENDSTR), +- tags->objectId, obj->objectId)); ++ if (oh->type <= YAFFS_OBJECT_TYPE_UNKNOWN || ++ oh->type > YAFFS_OBJECT_TYPE_MAX) ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Obj %d header type is illegal value 0x%x"TENDSTR), ++ tags->objectId, oh->type)); ++ ++ if (tags->objectId != obj->objectId) ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Obj %d header mismatch objectId %d"TENDSTR), ++ tags->objectId, obj->objectId)); + + + /* +@@ -563,46 +571,43 @@ static void yaffs_VerifyObjectHeader(yaf + * Tests do not apply to the root object. + */ + +- if(parentCheck && tags->objectId > 1 && !obj->parent) +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Obj %d header mismatch parentId %d obj->parent is NULL"TENDSTR), +- tags->objectId, oh->parentObjectId)); +- +- +- if(parentCheck && obj->parent && +- oh->parentObjectId != obj->parent->objectId && +- (oh->parentObjectId != YAFFS_OBJECTID_UNLINKED || +- obj->parent->objectId != YAFFS_OBJECTID_DELETED)) +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Obj %d header mismatch parentId %d parentObjectId %d"TENDSTR), +- tags->objectId, oh->parentObjectId, obj->parent->objectId)); ++ if (parentCheck && tags->objectId > 1 && !obj->parent) ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Obj %d header mismatch parentId %d obj->parent is NULL"TENDSTR), ++ tags->objectId, oh->parentObjectId)); + ++ if (parentCheck && obj->parent && ++ oh->parentObjectId != obj->parent->objectId && ++ (oh->parentObjectId != YAFFS_OBJECTID_UNLINKED || ++ obj->parent->objectId != YAFFS_OBJECTID_DELETED)) ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Obj %d header mismatch parentId %d parentObjectId %d"TENDSTR), ++ tags->objectId, oh->parentObjectId, obj->parent->objectId)); + +- if(tags->objectId > 1 && oh->name[0] == 0) /* Null name */ ++ if (tags->objectId > 1 && oh->name[0] == 0) /* Null name */ + T(YAFFS_TRACE_VERIFY, +- (TSTR("Obj %d header name is NULL"TENDSTR), +- obj->objectId)); ++ (TSTR("Obj %d header name is NULL"TENDSTR), ++ obj->objectId)); + +- if(tags->objectId > 1 && ((__u8)(oh->name[0])) == 0xff) /* Trashed name */ ++ if (tags->objectId > 1 && ((__u8)(oh->name[0])) == 0xff) /* Trashed name */ + T(YAFFS_TRACE_VERIFY, +- (TSTR("Obj %d header name is 0xFF"TENDSTR), +- obj->objectId)); ++ (TSTR("Obj %d header name is 0xFF"TENDSTR), ++ obj->objectId)); + } + + + +-static int yaffs_VerifyTnodeWorker(yaffs_Object * obj, yaffs_Tnode * tn, +- __u32 level, int chunkOffset) ++static int yaffs_VerifyTnodeWorker(yaffs_Object *obj, yaffs_Tnode *tn, ++ __u32 level, int chunkOffset) + { + int i; + yaffs_Device *dev = obj->myDev; + int ok = 1; +- int nTnodeBytes = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8; + + if (tn) { + if (level > 0) { + +- for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++){ ++ for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++) { + if (tn->internal[i]) { + ok = yaffs_VerifyTnodeWorker(obj, + tn->internal[i], +@@ -611,20 +616,19 @@ static int yaffs_VerifyTnodeWorker(yaffs + } + } + } else if (level == 0) { +- int i; + yaffs_ExtendedTags tags; + __u32 objectId = obj->objectId; + + chunkOffset <<= YAFFS_TNODES_LEVEL0_BITS; + +- for(i = 0; i < YAFFS_NTNODES_LEVEL0; i++){ +- __u32 theChunk = yaffs_GetChunkGroupBase(dev,tn,i); ++ for (i = 0; i < YAFFS_NTNODES_LEVEL0; i++) { ++ __u32 theChunk = yaffs_GetChunkGroupBase(dev, tn, i); + +- if(theChunk > 0){ ++ if (theChunk > 0) { + /* T(~0,(TSTR("verifying (%d:%d) %d"TENDSTR),tags.objectId,tags.chunkId,theChunk)); */ +- yaffs_ReadChunkWithTagsFromNAND(dev,theChunk,NULL, &tags); +- if(tags.objectId != objectId || tags.chunkId != chunkOffset){ +- T(~0,(TSTR("Object %d chunkId %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR), ++ yaffs_ReadChunkWithTagsFromNAND(dev, theChunk, NULL, &tags); ++ if (tags.objectId != objectId || tags.chunkId != chunkOffset) { ++ T(~0, (TSTR("Object %d chunkId %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR), + objectId, chunkOffset, theChunk, + tags.objectId, tags.chunkId)); + } +@@ -646,13 +650,15 @@ static void yaffs_VerifyFile(yaffs_Objec + __u32 lastChunk; + __u32 x; + __u32 i; +- int ok; + yaffs_Device *dev; + yaffs_ExtendedTags tags; + yaffs_Tnode *tn; + __u32 objectId; + +- if(obj && yaffs_SkipVerification(obj->myDev)) ++ if (!obj) ++ return; ++ ++ if (yaffs_SkipVerification(obj->myDev)) + return; + + dev = obj->myDev; +@@ -662,17 +668,17 @@ static void yaffs_VerifyFile(yaffs_Objec + lastChunk = obj->variant.fileVariant.fileSize / dev->nDataBytesPerChunk + 1; + x = lastChunk >> YAFFS_TNODES_LEVEL0_BITS; + requiredTallness = 0; +- while (x> 0) { ++ while (x > 0) { + x >>= YAFFS_TNODES_INTERNAL_BITS; + requiredTallness++; + } + + actualTallness = obj->variant.fileVariant.topLevel; + +- if(requiredTallness > actualTallness ) ++ if (requiredTallness > actualTallness) + T(YAFFS_TRACE_VERIFY, + (TSTR("Obj %d had tnode tallness %d, needs to be %d"TENDSTR), +- obj->objectId,actualTallness, requiredTallness)); ++ obj->objectId, actualTallness, requiredTallness)); + + + /* Check that the chunks in the tnode tree are all correct. +@@ -680,39 +686,31 @@ static void yaffs_VerifyFile(yaffs_Objec + * checking the tags for every chunk match. + */ + +- if(yaffs_SkipNANDVerification(dev)) ++ if (yaffs_SkipNANDVerification(dev)) + return; + +- for(i = 1; i <= lastChunk; i++){ +- tn = yaffs_FindLevel0Tnode(dev, &obj->variant.fileVariant,i); ++ for (i = 1; i <= lastChunk; i++) { ++ tn = yaffs_FindLevel0Tnode(dev, &obj->variant.fileVariant, i); + + if (tn) { +- __u32 theChunk = yaffs_GetChunkGroupBase(dev,tn,i); +- if(theChunk > 0){ ++ __u32 theChunk = yaffs_GetChunkGroupBase(dev, tn, i); ++ if (theChunk > 0) { + /* T(~0,(TSTR("verifying (%d:%d) %d"TENDSTR),objectId,i,theChunk)); */ +- yaffs_ReadChunkWithTagsFromNAND(dev,theChunk,NULL, &tags); +- if(tags.objectId != objectId || tags.chunkId != i){ +- T(~0,(TSTR("Object %d chunkId %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR), ++ yaffs_ReadChunkWithTagsFromNAND(dev, theChunk, NULL, &tags); ++ if (tags.objectId != objectId || tags.chunkId != i) { ++ T(~0, (TSTR("Object %d chunkId %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR), + objectId, i, theChunk, + tags.objectId, tags.chunkId)); + } + } + } +- + } +- + } + +-static void yaffs_VerifyDirectory(yaffs_Object *obj) +-{ +- if(obj && yaffs_SkipVerification(obj->myDev)) +- return; +- +-} + + static void yaffs_VerifyHardLink(yaffs_Object *obj) + { +- if(obj && yaffs_SkipVerification(obj->myDev)) ++ if (obj && yaffs_SkipVerification(obj->myDev)) + return; + + /* Verify sane equivalent object */ +@@ -720,7 +718,7 @@ static void yaffs_VerifyHardLink(yaffs_O + + static void yaffs_VerifySymlink(yaffs_Object *obj) + { +- if(obj && yaffs_SkipVerification(obj->myDev)) ++ if (obj && yaffs_SkipVerification(obj->myDev)) + return; + + /* Verify symlink string */ +@@ -728,7 +726,7 @@ static void yaffs_VerifySymlink(yaffs_Ob + + static void yaffs_VerifySpecial(yaffs_Object *obj) + { +- if(obj && yaffs_SkipVerification(obj->myDev)) ++ if (obj && yaffs_SkipVerification(obj->myDev)) + return; + } + +@@ -740,14 +738,19 @@ static void yaffs_VerifyObject(yaffs_Obj + __u32 chunkMax; + + __u32 chunkIdOk; +- __u32 chunkIsLive; ++ __u32 chunkInRange; ++ __u32 chunkShouldNotBeDeleted; ++ __u32 chunkValid; ++ ++ if (!obj) ++ return; + +- if(!obj) ++ if (obj->beingCreated) + return; + + dev = obj->myDev; + +- if(yaffs_SkipVerification(dev)) ++ if (yaffs_SkipVerification(dev)) + return; + + /* Check sane object header chunk */ +@@ -755,50 +758,54 @@ static void yaffs_VerifyObject(yaffs_Obj + chunkMin = dev->internalStartBlock * dev->nChunksPerBlock; + chunkMax = (dev->internalEndBlock+1) * dev->nChunksPerBlock - 1; + +- chunkIdOk = (obj->chunkId >= chunkMin && obj->chunkId <= chunkMax); +- chunkIsLive = chunkIdOk && ++ chunkInRange = (((unsigned)(obj->hdrChunk)) >= chunkMin && ((unsigned)(obj->hdrChunk)) <= chunkMax); ++ chunkIdOk = chunkInRange || obj->hdrChunk == 0; ++ chunkValid = chunkInRange && + yaffs_CheckChunkBit(dev, +- obj->chunkId / dev->nChunksPerBlock, +- obj->chunkId % dev->nChunksPerBlock); +- if(!obj->fake && +- (!chunkIdOk || !chunkIsLive)) { +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Obj %d has chunkId %d %s %s"TENDSTR), +- obj->objectId,obj->chunkId, +- chunkIdOk ? "" : ",out of range", +- chunkIsLive || !chunkIdOk ? "" : ",marked as deleted")); ++ obj->hdrChunk / dev->nChunksPerBlock, ++ obj->hdrChunk % dev->nChunksPerBlock); ++ chunkShouldNotBeDeleted = chunkInRange && !chunkValid; ++ ++ if (!obj->fake && ++ (!chunkIdOk || chunkShouldNotBeDeleted)) { ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Obj %d has chunkId %d %s %s"TENDSTR), ++ obj->objectId, obj->hdrChunk, ++ chunkIdOk ? "" : ",out of range", ++ chunkShouldNotBeDeleted ? ",marked as deleted" : "")); + } + +- if(chunkIdOk && chunkIsLive &&!yaffs_SkipNANDVerification(dev)) { ++ if (chunkValid && !yaffs_SkipNANDVerification(dev)) { + yaffs_ExtendedTags tags; + yaffs_ObjectHeader *oh; +- __u8 *buffer = yaffs_GetTempBuffer(dev,__LINE__); ++ __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__); + + oh = (yaffs_ObjectHeader *)buffer; + +- yaffs_ReadChunkWithTagsFromNAND(dev, obj->chunkId,buffer, &tags); ++ yaffs_ReadChunkWithTagsFromNAND(dev, obj->hdrChunk, buffer, ++ &tags); + +- yaffs_VerifyObjectHeader(obj,oh,&tags,1); ++ yaffs_VerifyObjectHeader(obj, oh, &tags, 1); + +- yaffs_ReleaseTempBuffer(dev,buffer,__LINE__); ++ yaffs_ReleaseTempBuffer(dev, buffer, __LINE__); + } + + /* Verify it has a parent */ +- if(obj && !obj->fake && +- (!obj->parent || obj->parent->myDev != dev)){ +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Obj %d has parent pointer %p which does not look like an object"TENDSTR), +- obj->objectId,obj->parent)); ++ if (obj && !obj->fake && ++ (!obj->parent || obj->parent->myDev != dev)) { ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Obj %d has parent pointer %p which does not look like an object"TENDSTR), ++ obj->objectId, obj->parent)); + } + + /* Verify parent is a directory */ +- if(obj->parent && obj->parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY){ +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Obj %d's parent is not a directory (type %d)"TENDSTR), +- obj->objectId,obj->parent->variantType)); ++ if (obj->parent && obj->parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) { ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Obj %d's parent is not a directory (type %d)"TENDSTR), ++ obj->objectId, obj->parent->variantType)); + } + +- switch(obj->variantType){ ++ switch (obj->variantType) { + case YAFFS_OBJECT_TYPE_FILE: + yaffs_VerifyFile(obj); + break; +@@ -818,33 +825,30 @@ static void yaffs_VerifyObject(yaffs_Obj + default: + T(YAFFS_TRACE_VERIFY, + (TSTR("Obj %d has illegaltype %d"TENDSTR), +- obj->objectId,obj->variantType)); ++ obj->objectId, obj->variantType)); + break; + } +- +- + } + + static void yaffs_VerifyObjects(yaffs_Device *dev) + { + yaffs_Object *obj; + int i; +- struct list_head *lh; ++ struct ylist_head *lh; + +- if(yaffs_SkipVerification(dev)) ++ if (yaffs_SkipVerification(dev)) + return; + + /* Iterate through the objects in each hash entry */ + +- for(i = 0; i < YAFFS_NOBJECT_BUCKETS; i++){ +- list_for_each(lh, &dev->objectBucket[i].list) { ++ for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) { ++ ylist_for_each(lh, &dev->objectBucket[i].list) { + if (lh) { +- obj = list_entry(lh, yaffs_Object, hashLink); ++ obj = ylist_entry(lh, yaffs_Object, hashLink); + yaffs_VerifyObject(obj); + } + } +- } +- ++ } + } + + +@@ -855,19 +859,20 @@ static void yaffs_VerifyObjects(yaffs_De + static Y_INLINE int yaffs_HashFunction(int n) + { + n = abs(n); +- return (n % YAFFS_NOBJECT_BUCKETS); ++ return n % YAFFS_NOBJECT_BUCKETS; + } + + /* +- * Access functions to useful fake objects ++ * Access functions to useful fake objects. ++ * Note that root might have a presence in NAND if permissions are set. + */ + +-yaffs_Object *yaffs_Root(yaffs_Device * dev) ++yaffs_Object *yaffs_Root(yaffs_Device *dev) + { + return dev->rootDir; + } + +-yaffs_Object *yaffs_LostNFound(yaffs_Device * dev) ++yaffs_Object *yaffs_LostNFound(yaffs_Device *dev) + { + return dev->lostNFoundDir; + } +@@ -877,7 +882,7 @@ yaffs_Object *yaffs_LostNFound(yaffs_Dev + * Erased NAND checking functions + */ + +-int yaffs_CheckFF(__u8 * buffer, int nBytes) ++int yaffs_CheckFF(__u8 *buffer, int nBytes) + { + /* Horrible, slow implementation */ + while (nBytes--) { +@@ -889,9 +894,8 @@ int yaffs_CheckFF(__u8 * buffer, int nBy + } + + static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev, +- int chunkInNAND) ++ int chunkInNAND) + { +- + int retval = YAFFS_OK; + __u8 *data = yaffs_GetTempBuffer(dev, __LINE__); + yaffs_ExtendedTags tags; +@@ -899,10 +903,9 @@ static int yaffs_CheckChunkErased(struct + + result = yaffs_ReadChunkWithTagsFromNAND(dev, chunkInNAND, data, &tags); + +- if(tags.eccResult > YAFFS_ECC_RESULT_NO_ERROR) ++ if (tags.eccResult > YAFFS_ECC_RESULT_NO_ERROR) + retval = YAFFS_FAIL; + +- + if (!yaffs_CheckFF(data, dev->nDataBytesPerChunk) || tags.chunkUsed) { + T(YAFFS_TRACE_NANDACCESS, + (TSTR("Chunk %d not erased" TENDSTR), chunkInNAND)); +@@ -915,11 +918,10 @@ static int yaffs_CheckChunkErased(struct + + } + +- + static int yaffs_WriteNewChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev, +- const __u8 * data, +- yaffs_ExtendedTags * tags, +- int useReserve) ++ const __u8 *data, ++ yaffs_ExtendedTags *tags, ++ int useReserve) + { + int attempts = 0; + int writeOk = 0; +@@ -972,7 +974,7 @@ static int yaffs_WriteNewChunkWithTagsTo + erasedOk = yaffs_CheckChunkErased(dev, chunk); + if (erasedOk != YAFFS_OK) { + T(YAFFS_TRACE_ERROR, +- (TSTR ("**>> yaffs chunk %d was not erased" ++ (TSTR("**>> yaffs chunk %d was not erased" + TENDSTR), chunk)); + + /* try another chunk */ +@@ -992,7 +994,11 @@ static int yaffs_WriteNewChunkWithTagsTo + /* Copy the data into the robustification buffer */ + yaffs_HandleWriteChunkOk(dev, chunk, data, tags); + +- } while (writeOk != YAFFS_OK && attempts < yaffs_wr_attempts); ++ } while (writeOk != YAFFS_OK && ++ (yaffs_wr_attempts <= 0 || attempts <= yaffs_wr_attempts)); ++ ++ if (!writeOk) ++ chunk = -1; + + if (attempts > 1) { + T(YAFFS_TRACE_ERROR, +@@ -1009,13 +1015,35 @@ static int yaffs_WriteNewChunkWithTagsTo + * Block retiring for handling a broken block. + */ + +-static void yaffs_RetireBlock(yaffs_Device * dev, int blockInNAND) ++static void yaffs_RetireBlock(yaffs_Device *dev, int blockInNAND) + { + yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND); + + yaffs_InvalidateCheckpoint(dev); + +- yaffs_MarkBlockBad(dev, blockInNAND); ++ if (yaffs_MarkBlockBad(dev, blockInNAND) != YAFFS_OK) { ++ if (yaffs_EraseBlockInNAND(dev, blockInNAND) != YAFFS_OK) { ++ T(YAFFS_TRACE_ALWAYS, (TSTR( ++ "yaffs: Failed to mark bad and erase block %d" ++ TENDSTR), blockInNAND)); ++ } else { ++ yaffs_ExtendedTags tags; ++ int chunkId = blockInNAND * dev->nChunksPerBlock; ++ ++ __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__); ++ ++ memset(buffer, 0xff, dev->nDataBytesPerChunk); ++ yaffs_InitialiseTags(&tags); ++ tags.sequenceNumber = YAFFS_SEQUENCE_BAD_BLOCK; ++ if (dev->writeChunkWithTagsToNAND(dev, chunkId - ++ dev->chunkOffset, buffer, &tags) != YAFFS_OK) ++ T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Failed to " ++ TCONT("write bad block marker to block %d") ++ TENDSTR), blockInNAND)); ++ ++ yaffs_ReleaseTempBuffer(dev, buffer, __LINE__); ++ } ++ } + + bi->blockState = YAFFS_BLOCK_STATE_DEAD; + bi->gcPrioritise = 0; +@@ -1029,49 +1057,45 @@ static void yaffs_RetireBlock(yaffs_Devi + * + */ + +-static void yaffs_HandleWriteChunkOk(yaffs_Device * dev, int chunkInNAND, +- const __u8 * data, +- const yaffs_ExtendedTags * tags) ++static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND, ++ const __u8 *data, ++ const yaffs_ExtendedTags *tags) + { + } + +-static void yaffs_HandleUpdateChunk(yaffs_Device * dev, int chunkInNAND, +- const yaffs_ExtendedTags * tags) ++static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND, ++ const yaffs_ExtendedTags *tags) + { + } + + void yaffs_HandleChunkError(yaffs_Device *dev, yaffs_BlockInfo *bi) + { +- if(!bi->gcPrioritise){ ++ if (!bi->gcPrioritise) { + bi->gcPrioritise = 1; + dev->hasPendingPrioritisedGCs = 1; +- bi->chunkErrorStrikes ++; ++ bi->chunkErrorStrikes++; + +- if(bi->chunkErrorStrikes > 3){ ++ if (bi->chunkErrorStrikes > 3) { + bi->needsRetiring = 1; /* Too many stikes, so retire this */ + T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Block struck out" TENDSTR))); + + } +- + } + } + +-static void yaffs_HandleWriteChunkError(yaffs_Device * dev, int chunkInNAND, int erasedOk) ++static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND, ++ int erasedOk) + { +- + int blockInNAND = chunkInNAND / dev->nChunksPerBlock; + yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND); + +- yaffs_HandleChunkError(dev,bi); ++ yaffs_HandleChunkError(dev, bi); + +- +- if(erasedOk ) { ++ if (erasedOk) { + /* Was an actual write failure, so mark the block for retirement */ + bi->needsRetiring = 1; + T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, + (TSTR("**>> Block %d needs retiring" TENDSTR), blockInNAND)); +- +- + } + + /* Delete the chunk */ +@@ -1081,12 +1105,12 @@ static void yaffs_HandleWriteChunkError( + + /*---------------- Name handling functions ------------*/ + +-static __u16 yaffs_CalcNameSum(const YCHAR * name) ++static __u16 yaffs_CalcNameSum(const YCHAR *name) + { + __u16 sum = 0; + __u16 i = 1; + +- YUCHAR *bname = (YUCHAR *) name; ++ const YUCHAR *bname = (const YUCHAR *) name; + if (bname) { + while ((*bname) && (i < (YAFFS_MAX_NAME_LENGTH/2))) { + +@@ -1102,14 +1126,14 @@ static __u16 yaffs_CalcNameSum(const YCH + return sum; + } + +-static void yaffs_SetObjectName(yaffs_Object * obj, const YCHAR * name) ++static void yaffs_SetObjectName(yaffs_Object *obj, const YCHAR *name) + { + #ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM +- if (name && yaffs_strlen(name) <= YAFFS_SHORT_NAME_LENGTH) { ++ memset(obj->shortName, 0, sizeof(YCHAR) * (YAFFS_SHORT_NAME_LENGTH+1)); ++ if (name && yaffs_strlen(name) <= YAFFS_SHORT_NAME_LENGTH) + yaffs_strcpy(obj->shortName, name); +- } else { ++ else + obj->shortName[0] = _Y('\0'); +- } + #endif + obj->sum = yaffs_CalcNameSum(name); + } +@@ -1126,7 +1150,7 @@ static void yaffs_SetObjectName(yaffs_Ob + * Don't use this function directly + */ + +-static int yaffs_CreateTnodes(yaffs_Device * dev, int nTnodes) ++static int yaffs_CreateTnodes(yaffs_Device *dev, int nTnodes) + { + int i; + int tnodeSize; +@@ -1143,6 +1167,9 @@ static int yaffs_CreateTnodes(yaffs_Devi + * Must be a multiple of 32-bits */ + tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8; + ++ if (tnodeSize < sizeof(yaffs_Tnode)) ++ tnodeSize = sizeof(yaffs_Tnode); ++ + /* make these things */ + + newTnodes = YMALLOC(nTnodes * tnodeSize); +@@ -1150,7 +1177,7 @@ static int yaffs_CreateTnodes(yaffs_Devi + + if (!newTnodes) { + T(YAFFS_TRACE_ERROR, +- (TSTR("yaffs: Could not allocate Tnodes" TENDSTR))); ++ (TSTR("yaffs: Could not allocate Tnodes" TENDSTR))); + return YAFFS_FAIL; + } + +@@ -1170,7 +1197,7 @@ static int yaffs_CreateTnodes(yaffs_Devi + dev->freeTnodes = newTnodes; + #else + /* New hookup for wide tnodes */ +- for(i = 0; i < nTnodes -1; i++) { ++ for (i = 0; i < nTnodes - 1; i++) { + curr = (yaffs_Tnode *) &mem[i * tnodeSize]; + next = (yaffs_Tnode *) &mem[(i+1) * tnodeSize]; + curr->internal[0] = next; +@@ -1197,7 +1224,6 @@ static int yaffs_CreateTnodes(yaffs_Devi + (TSTR + ("yaffs: Could not add tnodes to management list" TENDSTR))); + return YAFFS_FAIL; +- + } else { + tnl->tnodes = newTnodes; + tnl->next = dev->allocatedTnodeList; +@@ -1211,14 +1237,13 @@ static int yaffs_CreateTnodes(yaffs_Devi + + /* GetTnode gets us a clean tnode. Tries to make allocate more if we run out */ + +-static yaffs_Tnode *yaffs_GetTnodeRaw(yaffs_Device * dev) ++static yaffs_Tnode *yaffs_GetTnodeRaw(yaffs_Device *dev) + { + yaffs_Tnode *tn = NULL; + + /* If there are none left make more */ +- if (!dev->freeTnodes) { ++ if (!dev->freeTnodes) + yaffs_CreateTnodes(dev, YAFFS_ALLOCATION_NTNODES); +- } + + if (dev->freeTnodes) { + tn = dev->freeTnodes; +@@ -1233,21 +1258,27 @@ static yaffs_Tnode *yaffs_GetTnodeRaw(ya + dev->nFreeTnodes--; + } + ++ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/ ++ + return tn; + } + +-static yaffs_Tnode *yaffs_GetTnode(yaffs_Device * dev) ++static yaffs_Tnode *yaffs_GetTnode(yaffs_Device *dev) + { + yaffs_Tnode *tn = yaffs_GetTnodeRaw(dev); ++ int tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8; + +- if(tn) +- memset(tn, 0, (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8); ++ if (tnodeSize < sizeof(yaffs_Tnode)) ++ tnodeSize = sizeof(yaffs_Tnode); ++ ++ if (tn) ++ memset(tn, 0, tnodeSize); + + return tn; + } + + /* FreeTnode frees up a tnode and puts it back on the free list */ +-static void yaffs_FreeTnode(yaffs_Device * dev, yaffs_Tnode * tn) ++static void yaffs_FreeTnode(yaffs_Device *dev, yaffs_Tnode *tn) + { + if (tn) { + #ifdef CONFIG_YAFFS_TNODE_LIST_DEBUG +@@ -1262,9 +1293,10 @@ static void yaffs_FreeTnode(yaffs_Device + dev->freeTnodes = tn; + dev->nFreeTnodes++; + } ++ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/ + } + +-static void yaffs_DeinitialiseTnodes(yaffs_Device * dev) ++static void yaffs_DeinitialiseTnodes(yaffs_Device *dev) + { + /* Free the list of allocated tnodes */ + yaffs_TnodeList *tmp; +@@ -1282,71 +1314,72 @@ static void yaffs_DeinitialiseTnodes(yaf + dev->nFreeTnodes = 0; + } + +-static void yaffs_InitialiseTnodes(yaffs_Device * dev) ++static void yaffs_InitialiseTnodes(yaffs_Device *dev) + { + dev->allocatedTnodeList = NULL; + dev->freeTnodes = NULL; + dev->nFreeTnodes = 0; + dev->nTnodesCreated = 0; +- + } + + +-void yaffs_PutLevel0Tnode(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos, unsigned val) ++void yaffs_PutLevel0Tnode(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos, ++ unsigned val) + { +- __u32 *map = (__u32 *)tn; +- __u32 bitInMap; +- __u32 bitInWord; +- __u32 wordInMap; +- __u32 mask; ++ __u32 *map = (__u32 *)tn; ++ __u32 bitInMap; ++ __u32 bitInWord; ++ __u32 wordInMap; ++ __u32 mask; + +- pos &= YAFFS_TNODES_LEVEL0_MASK; +- val >>= dev->chunkGroupBits; ++ pos &= YAFFS_TNODES_LEVEL0_MASK; ++ val >>= dev->chunkGroupBits; + +- bitInMap = pos * dev->tnodeWidth; +- wordInMap = bitInMap /32; +- bitInWord = bitInMap & (32 -1); ++ bitInMap = pos * dev->tnodeWidth; ++ wordInMap = bitInMap / 32; ++ bitInWord = bitInMap & (32 - 1); + +- mask = dev->tnodeMask << bitInWord; ++ mask = dev->tnodeMask << bitInWord; + +- map[wordInMap] &= ~mask; +- map[wordInMap] |= (mask & (val << bitInWord)); ++ map[wordInMap] &= ~mask; ++ map[wordInMap] |= (mask & (val << bitInWord)); + +- if(dev->tnodeWidth > (32-bitInWord)) { +- bitInWord = (32 - bitInWord); +- wordInMap++;; +- mask = dev->tnodeMask >> (/*dev->tnodeWidth -*/ bitInWord); +- map[wordInMap] &= ~mask; +- map[wordInMap] |= (mask & (val >> bitInWord)); +- } ++ if (dev->tnodeWidth > (32 - bitInWord)) { ++ bitInWord = (32 - bitInWord); ++ wordInMap++;; ++ mask = dev->tnodeMask >> (/*dev->tnodeWidth -*/ bitInWord); ++ map[wordInMap] &= ~mask; ++ map[wordInMap] |= (mask & (val >> bitInWord)); ++ } + } + +-static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos) ++static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn, ++ unsigned pos) + { +- __u32 *map = (__u32 *)tn; +- __u32 bitInMap; +- __u32 bitInWord; +- __u32 wordInMap; +- __u32 val; ++ __u32 *map = (__u32 *)tn; ++ __u32 bitInMap; ++ __u32 bitInWord; ++ __u32 wordInMap; ++ __u32 val; + +- pos &= YAFFS_TNODES_LEVEL0_MASK; ++ pos &= YAFFS_TNODES_LEVEL0_MASK; + +- bitInMap = pos * dev->tnodeWidth; +- wordInMap = bitInMap /32; +- bitInWord = bitInMap & (32 -1); ++ bitInMap = pos * dev->tnodeWidth; ++ wordInMap = bitInMap / 32; ++ bitInWord = bitInMap & (32 - 1); + +- val = map[wordInMap] >> bitInWord; ++ val = map[wordInMap] >> bitInWord; + +- if(dev->tnodeWidth > (32-bitInWord)) { +- bitInWord = (32 - bitInWord); +- wordInMap++;; +- val |= (map[wordInMap] << bitInWord); +- } ++ if (dev->tnodeWidth > (32 - bitInWord)) { ++ bitInWord = (32 - bitInWord); ++ wordInMap++;; ++ val |= (map[wordInMap] << bitInWord); ++ } + +- val &= dev->tnodeMask; +- val <<= dev->chunkGroupBits; ++ val &= dev->tnodeMask; ++ val <<= dev->chunkGroupBits; + +- return val; ++ return val; + } + + /* ------------------- End of individual tnode manipulation -----------------*/ +@@ -1357,24 +1390,21 @@ static __u32 yaffs_GetChunkGroupBase(yaf + */ + + /* FindLevel0Tnode finds the level 0 tnode, if one exists. */ +-static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device * dev, +- yaffs_FileStructure * fStruct, +- __u32 chunkId) ++static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device *dev, ++ yaffs_FileStructure *fStruct, ++ __u32 chunkId) + { +- + yaffs_Tnode *tn = fStruct->top; + __u32 i; + int requiredTallness; + int level = fStruct->topLevel; + + /* Check sane level and chunk Id */ +- if (level < 0 || level > YAFFS_TNODES_MAX_LEVEL) { ++ if (level < 0 || level > YAFFS_TNODES_MAX_LEVEL) + return NULL; +- } + +- if (chunkId > YAFFS_MAX_CHUNK_ID) { ++ if (chunkId > YAFFS_MAX_CHUNK_ID) + return NULL; +- } + + /* First check we're tall enough (ie enough topLevel) */ + +@@ -1385,22 +1415,17 @@ static yaffs_Tnode *yaffs_FindLevel0Tnod + requiredTallness++; + } + +- if (requiredTallness > fStruct->topLevel) { +- /* Not tall enough, so we can't find it, return NULL. */ +- return NULL; +- } ++ if (requiredTallness > fStruct->topLevel) ++ return NULL; /* Not tall enough, so we can't find it */ + + /* Traverse down to level 0 */ + while (level > 0 && tn) { +- tn = tn-> +- internal[(chunkId >> +- ( YAFFS_TNODES_LEVEL0_BITS + +- (level - 1) * +- YAFFS_TNODES_INTERNAL_BITS) +- ) & +- YAFFS_TNODES_INTERNAL_MASK]; ++ tn = tn->internal[(chunkId >> ++ (YAFFS_TNODES_LEVEL0_BITS + ++ (level - 1) * ++ YAFFS_TNODES_INTERNAL_BITS)) & ++ YAFFS_TNODES_INTERNAL_MASK]; + level--; +- + } + + return tn; +@@ -1417,12 +1442,11 @@ static yaffs_Tnode *yaffs_FindLevel0Tnod + * be plugged into the ttree. + */ + +-static yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device * dev, +- yaffs_FileStructure * fStruct, +- __u32 chunkId, +- yaffs_Tnode *passedTn) ++static yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device *dev, ++ yaffs_FileStructure *fStruct, ++ __u32 chunkId, ++ yaffs_Tnode *passedTn) + { +- + int requiredTallness; + int i; + int l; +@@ -1432,13 +1456,11 @@ static yaffs_Tnode *yaffs_AddOrFindLevel + + + /* Check sane level and page Id */ +- if (fStruct->topLevel < 0 || fStruct->topLevel > YAFFS_TNODES_MAX_LEVEL) { ++ if (fStruct->topLevel < 0 || fStruct->topLevel > YAFFS_TNODES_MAX_LEVEL) + return NULL; +- } + +- if (chunkId > YAFFS_MAX_CHUNK_ID) { ++ if (chunkId > YAFFS_MAX_CHUNK_ID) + return NULL; +- } + + /* First check we're tall enough (ie enough topLevel) */ + +@@ -1451,7 +1473,7 @@ static yaffs_Tnode *yaffs_AddOrFindLevel + + + if (requiredTallness > fStruct->topLevel) { +- /* Not tall enough,gotta make the tree taller */ ++ /* Not tall enough, gotta make the tree taller */ + for (i = fStruct->topLevel; i < requiredTallness; i++) { + + tn = yaffs_GetTnode(dev); +@@ -1473,27 +1495,27 @@ static yaffs_Tnode *yaffs_AddOrFindLevel + l = fStruct->topLevel; + tn = fStruct->top; + +- if(l > 0) { ++ if (l > 0) { + while (l > 0 && tn) { + x = (chunkId >> +- ( YAFFS_TNODES_LEVEL0_BITS + ++ (YAFFS_TNODES_LEVEL0_BITS + + (l - 1) * YAFFS_TNODES_INTERNAL_BITS)) & + YAFFS_TNODES_INTERNAL_MASK; + + +- if((l>1) && !tn->internal[x]){ ++ if ((l > 1) && !tn->internal[x]) { + /* Add missing non-level-zero tnode */ + tn->internal[x] = yaffs_GetTnode(dev); + +- } else if(l == 1) { ++ } else if (l == 1) { + /* Looking from level 1 at level 0 */ +- if (passedTn) { ++ if (passedTn) { + /* If we already have one, then release it.*/ +- if(tn->internal[x]) +- yaffs_FreeTnode(dev,tn->internal[x]); ++ if (tn->internal[x]) ++ yaffs_FreeTnode(dev, tn->internal[x]); + tn->internal[x] = passedTn; + +- } else if(!tn->internal[x]) { ++ } else if (!tn->internal[x]) { + /* Don't have one, none passed in */ + tn->internal[x] = yaffs_GetTnode(dev); + } +@@ -1504,31 +1526,29 @@ static yaffs_Tnode *yaffs_AddOrFindLevel + } + } else { + /* top is level 0 */ +- if(passedTn) { +- memcpy(tn,passedTn,(dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8); +- yaffs_FreeTnode(dev,passedTn); ++ if (passedTn) { ++ memcpy(tn, passedTn, (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8); ++ yaffs_FreeTnode(dev, passedTn); + } + } + + return tn; + } + +-static int yaffs_FindChunkInGroup(yaffs_Device * dev, int theChunk, +- yaffs_ExtendedTags * tags, int objectId, +- int chunkInInode) ++static int yaffs_FindChunkInGroup(yaffs_Device *dev, int theChunk, ++ yaffs_ExtendedTags *tags, int objectId, ++ int chunkInInode) + { + int j; + + for (j = 0; theChunk && j < dev->chunkGroupSize; j++) { +- if (yaffs_CheckChunkBit +- (dev, theChunk / dev->nChunksPerBlock, +- theChunk % dev->nChunksPerBlock)) { ++ if (yaffs_CheckChunkBit(dev, theChunk / dev->nChunksPerBlock, ++ theChunk % dev->nChunksPerBlock)) { + yaffs_ReadChunkWithTagsFromNAND(dev, theChunk, NULL, + tags); + if (yaffs_TagsMatch(tags, objectId, chunkInInode)) { + /* found it; */ + return theChunk; +- + } + } + theChunk++; +@@ -1543,7 +1563,7 @@ static int yaffs_FindChunkInGroup(yaffs_ + * Returns 0 if it stopped early due to hitting the limit and the delete is incomplete. + */ + +-static int yaffs_DeleteWorker(yaffs_Object * in, yaffs_Tnode * tn, __u32 level, ++static int yaffs_DeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, __u32 level, + int chunkOffset, int *limit) + { + int i; +@@ -1557,7 +1577,6 @@ static int yaffs_DeleteWorker(yaffs_Obje + + if (tn) { + if (level > 0) { +- + for (i = YAFFS_NTNODES_INTERNAL - 1; allDone && i >= 0; + i--) { + if (tn->internal[i]) { +@@ -1565,17 +1584,17 @@ static int yaffs_DeleteWorker(yaffs_Obje + allDone = 0; + } else { + allDone = +- yaffs_DeleteWorker(in, +- tn-> +- internal +- [i], +- level - +- 1, +- (chunkOffset ++ yaffs_DeleteWorker(in, ++ tn-> ++ internal ++ [i], ++ level - ++ 1, ++ (chunkOffset + << + YAFFS_TNODES_INTERNAL_BITS) +- + i, +- limit); ++ + i, ++ limit); + } + if (allDone) { + yaffs_FreeTnode(dev, +@@ -1584,27 +1603,25 @@ static int yaffs_DeleteWorker(yaffs_Obje + tn->internal[i] = NULL; + } + } +- + } + return (allDone) ? 1 : 0; + } else if (level == 0) { + int hitLimit = 0; + + for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0 && !hitLimit; +- i--) { +- theChunk = yaffs_GetChunkGroupBase(dev,tn,i); ++ i--) { ++ theChunk = yaffs_GetChunkGroupBase(dev, tn, i); + if (theChunk) { + +- chunkInInode = +- (chunkOffset << +- YAFFS_TNODES_LEVEL0_BITS) + i; ++ chunkInInode = (chunkOffset << ++ YAFFS_TNODES_LEVEL0_BITS) + i; + + foundChunk = +- yaffs_FindChunkInGroup(dev, +- theChunk, +- &tags, +- in->objectId, +- chunkInInode); ++ yaffs_FindChunkInGroup(dev, ++ theChunk, ++ &tags, ++ in->objectId, ++ chunkInInode); + + if (foundChunk > 0) { + yaffs_DeleteChunk(dev, +@@ -1613,14 +1630,13 @@ static int yaffs_DeleteWorker(yaffs_Obje + in->nDataChunks--; + if (limit) { + *limit = *limit - 1; +- if (*limit <= 0) { ++ if (*limit <= 0) + hitLimit = 1; +- } + } + + } + +- yaffs_PutLevel0Tnode(dev,tn,i,0); ++ yaffs_PutLevel0Tnode(dev, tn, i, 0); + } + + } +@@ -1634,9 +1650,8 @@ static int yaffs_DeleteWorker(yaffs_Obje + + } + +-static void yaffs_SoftDeleteChunk(yaffs_Device * dev, int chunk) ++static void yaffs_SoftDeleteChunk(yaffs_Device *dev, int chunk) + { +- + yaffs_BlockInfo *theBlock; + + T(YAFFS_TRACE_DELETION, (TSTR("soft delete chunk %d" TENDSTR), chunk)); +@@ -1654,7 +1669,7 @@ static void yaffs_SoftDeleteChunk(yaffs_ + * Thus, essentially this is the same as DeleteWorker except that the chunks are soft deleted. + */ + +-static int yaffs_SoftDeleteWorker(yaffs_Object * in, yaffs_Tnode * tn, ++static int yaffs_SoftDeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, + __u32 level, int chunkOffset) + { + int i; +@@ -1691,14 +1706,14 @@ static int yaffs_SoftDeleteWorker(yaffs_ + } else if (level == 0) { + + for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0; i--) { +- theChunk = yaffs_GetChunkGroupBase(dev,tn,i); ++ theChunk = yaffs_GetChunkGroupBase(dev, tn, i); + if (theChunk) { + /* Note this does not find the real chunk, only the chunk group. + * We make an assumption that a chunk group is not larger than + * a block. + */ + yaffs_SoftDeleteChunk(dev, theChunk); +- yaffs_PutLevel0Tnode(dev,tn,i,0); ++ yaffs_PutLevel0Tnode(dev, tn, i, 0); + } + + } +@@ -1712,7 +1727,7 @@ static int yaffs_SoftDeleteWorker(yaffs_ + + } + +-static void yaffs_SoftDeleteFile(yaffs_Object * obj) ++static void yaffs_SoftDeleteFile(yaffs_Object *obj) + { + if (obj->deleted && + obj->variantType == YAFFS_OBJECT_TYPE_FILE && !obj->softDeleted) { +@@ -1746,8 +1761,8 @@ static void yaffs_SoftDeleteFile(yaffs_O + * by a special case. + */ + +-static yaffs_Tnode *yaffs_PruneWorker(yaffs_Device * dev, yaffs_Tnode * tn, +- __u32 level, int del0) ++static yaffs_Tnode *yaffs_PruneWorker(yaffs_Device *dev, yaffs_Tnode *tn, ++ __u32 level, int del0) + { + int i; + int hasData; +@@ -1763,9 +1778,8 @@ static yaffs_Tnode *yaffs_PruneWorker(ya + (i == 0) ? del0 : 1); + } + +- if (tn->internal[i]) { ++ if (tn->internal[i]) + hasData++; +- } + } + + if (hasData == 0 && del0) { +@@ -1781,8 +1795,8 @@ static yaffs_Tnode *yaffs_PruneWorker(ya + + } + +-static int yaffs_PruneFileStructure(yaffs_Device * dev, +- yaffs_FileStructure * fStruct) ++static int yaffs_PruneFileStructure(yaffs_Device *dev, ++ yaffs_FileStructure *fStruct) + { + int i; + int hasData; +@@ -1805,9 +1819,8 @@ static int yaffs_PruneFileStructure(yaff + + hasData = 0; + for (i = 1; i < YAFFS_NTNODES_INTERNAL; i++) { +- if (tn->internal[i]) { ++ if (tn->internal[i]) + hasData++; +- } + } + + if (!hasData) { +@@ -1828,7 +1841,7 @@ static int yaffs_PruneFileStructure(yaff + /* yaffs_CreateFreeObjects creates a bunch more objects and + * adds them to the object free list. + */ +-static int yaffs_CreateFreeObjects(yaffs_Device * dev, int nObjects) ++static int yaffs_CreateFreeObjects(yaffs_Device *dev, int nObjects) + { + int i; + yaffs_Object *newObjects; +@@ -1842,9 +1855,9 @@ static int yaffs_CreateFreeObjects(yaffs + list = YMALLOC(sizeof(yaffs_ObjectList)); + + if (!newObjects || !list) { +- if(newObjects) ++ if (newObjects) + YFREE(newObjects); +- if(list) ++ if (list) + YFREE(list); + T(YAFFS_TRACE_ALLOCATE, + (TSTR("yaffs: Could not allocate more objects" TENDSTR))); +@@ -1854,7 +1867,7 @@ static int yaffs_CreateFreeObjects(yaffs + /* Hook them into the free list */ + for (i = 0; i < nObjects - 1; i++) { + newObjects[i].siblings.next = +- (struct list_head *)(&newObjects[i + 1]); ++ (struct ylist_head *)(&newObjects[i + 1]); + } + + newObjects[nObjects - 1].siblings.next = (void *)dev->freeObjects; +@@ -1873,85 +1886,109 @@ static int yaffs_CreateFreeObjects(yaffs + + + /* AllocateEmptyObject gets us a clean Object. Tries to make allocate more if we run out */ +-static yaffs_Object *yaffs_AllocateEmptyObject(yaffs_Device * dev) ++static yaffs_Object *yaffs_AllocateEmptyObject(yaffs_Device *dev) + { + yaffs_Object *tn = NULL; + ++#ifdef VALGRIND_TEST ++ tn = YMALLOC(sizeof(yaffs_Object)); ++#else + /* If there are none left make more */ +- if (!dev->freeObjects) { ++ if (!dev->freeObjects) + yaffs_CreateFreeObjects(dev, YAFFS_ALLOCATION_NOBJECTS); +- } + + if (dev->freeObjects) { + tn = dev->freeObjects; + dev->freeObjects = +- (yaffs_Object *) (dev->freeObjects->siblings.next); ++ (yaffs_Object *) (dev->freeObjects->siblings.next); + dev->nFreeObjects--; +- ++ } ++#endif ++ if (tn) { + /* Now sweeten it up... */ + + memset(tn, 0, sizeof(yaffs_Object)); ++ tn->beingCreated = 1; ++ + tn->myDev = dev; +- tn->chunkId = -1; ++ tn->hdrChunk = 0; + tn->variantType = YAFFS_OBJECT_TYPE_UNKNOWN; +- INIT_LIST_HEAD(&(tn->hardLinks)); +- INIT_LIST_HEAD(&(tn->hashLink)); +- INIT_LIST_HEAD(&tn->siblings); ++ YINIT_LIST_HEAD(&(tn->hardLinks)); ++ YINIT_LIST_HEAD(&(tn->hashLink)); ++ YINIT_LIST_HEAD(&tn->siblings); ++ ++ ++ /* Now make the directory sane */ ++ if (dev->rootDir) { ++ tn->parent = dev->rootDir; ++ ylist_add(&(tn->siblings), &dev->rootDir->variant.directoryVariant.children); ++ } + + /* Add it to the lost and found directory. + * NB Can't put root or lostNFound in lostNFound so + * check if lostNFound exists first + */ +- if (dev->lostNFoundDir) { ++ if (dev->lostNFoundDir) + yaffs_AddObjectToDirectory(dev->lostNFoundDir, tn); +- } ++ ++ tn->beingCreated = 0; + } + ++ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/ ++ + return tn; + } + +-static yaffs_Object *yaffs_CreateFakeDirectory(yaffs_Device * dev, int number, ++static yaffs_Object *yaffs_CreateFakeDirectory(yaffs_Device *dev, int number, + __u32 mode) + { + + yaffs_Object *obj = + yaffs_CreateNewObject(dev, number, YAFFS_OBJECT_TYPE_DIRECTORY); + if (obj) { +- obj->fake = 1; /* it is fake so it has no NAND presence... */ ++ obj->fake = 1; /* it is fake so it might have no NAND presence... */ + obj->renameAllowed = 0; /* ... and we're not allowed to rename it... */ + obj->unlinkAllowed = 0; /* ... or unlink it */ + obj->deleted = 0; + obj->unlinked = 0; + obj->yst_mode = mode; + obj->myDev = dev; +- obj->chunkId = 0; /* Not a valid chunk. */ ++ obj->hdrChunk = 0; /* Not a valid chunk. */ + } + + return obj; + + } + +-static void yaffs_UnhashObject(yaffs_Object * tn) ++static void yaffs_UnhashObject(yaffs_Object *tn) + { + int bucket; + yaffs_Device *dev = tn->myDev; + + /* If it is still linked into the bucket list, free from the list */ +- if (!list_empty(&tn->hashLink)) { +- list_del_init(&tn->hashLink); ++ if (!ylist_empty(&tn->hashLink)) { ++ ylist_del_init(&tn->hashLink); + bucket = yaffs_HashFunction(tn->objectId); + dev->objectBucket[bucket].count--; + } +- + } + + /* FreeObject frees up a Object and puts it back on the free list */ +-static void yaffs_FreeObject(yaffs_Object * tn) ++static void yaffs_FreeObject(yaffs_Object *tn) + { +- + yaffs_Device *dev = tn->myDev; + +-#ifdef __KERNEL__ ++#ifdef __KERNEL__ ++ T(YAFFS_TRACE_OS, (TSTR("FreeObject %p inode %p"TENDSTR), tn, tn->myInode)); ++#endif ++ ++ if (tn->parent) ++ YBUG(); ++ if (!ylist_empty(&tn->siblings)) ++ YBUG(); ++ ++ ++#ifdef __KERNEL__ + if (tn->myInode) { + /* We're still hooked up to a cached inode. + * Don't delete now, but mark for later deletion +@@ -1963,24 +2000,28 @@ static void yaffs_FreeObject(yaffs_Objec + + yaffs_UnhashObject(tn); + ++#ifdef VALGRIND_TEST ++ YFREE(tn); ++#else + /* Link into the free list. */ +- tn->siblings.next = (struct list_head *)(dev->freeObjects); ++ tn->siblings.next = (struct ylist_head *)(dev->freeObjects); + dev->freeObjects = tn; + dev->nFreeObjects++; ++#endif ++ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/ + } + + #ifdef __KERNEL__ + +-void yaffs_HandleDeferedFree(yaffs_Object * obj) ++void yaffs_HandleDeferedFree(yaffs_Object *obj) + { +- if (obj->deferedFree) { ++ if (obj->deferedFree) + yaffs_FreeObject(obj); +- } + } + + #endif + +-static void yaffs_DeinitialiseObjects(yaffs_Device * dev) ++static void yaffs_DeinitialiseObjects(yaffs_Device *dev) + { + /* Free the list of allocated Objects */ + +@@ -1998,7 +2039,7 @@ static void yaffs_DeinitialiseObjects(ya + dev->nFreeObjects = 0; + } + +-static void yaffs_InitialiseObjects(yaffs_Device * dev) ++static void yaffs_InitialiseObjects(yaffs_Device *dev) + { + int i; + +@@ -2007,15 +2048,14 @@ static void yaffs_InitialiseObjects(yaff + dev->nFreeObjects = 0; + + for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) { +- INIT_LIST_HEAD(&dev->objectBucket[i].list); ++ YINIT_LIST_HEAD(&dev->objectBucket[i].list); + dev->objectBucket[i].count = 0; + } +- + } + +-static int yaffs_FindNiceObjectBucket(yaffs_Device * dev) ++static int yaffs_FindNiceObjectBucket(yaffs_Device *dev) + { +- static int x = 0; ++ static int x; + int i; + int l = 999; + int lowest = 999999; +@@ -2049,7 +2089,7 @@ static int yaffs_FindNiceObjectBucket(ya + return l; + } + +-static int yaffs_CreateNewObjectNumber(yaffs_Device * dev) ++static int yaffs_CreateNewObjectNumber(yaffs_Device *dev) + { + int bucket = yaffs_FindNiceObjectBucket(dev); + +@@ -2058,7 +2098,7 @@ static int yaffs_CreateNewObjectNumber(y + */ + + int found = 0; +- struct list_head *i; ++ struct ylist_head *i; + + __u32 n = (__u32) bucket; + +@@ -2068,41 +2108,38 @@ static int yaffs_CreateNewObjectNumber(y + found = 1; + n += YAFFS_NOBJECT_BUCKETS; + if (1 || dev->objectBucket[bucket].count > 0) { +- list_for_each(i, &dev->objectBucket[bucket].list) { ++ ylist_for_each(i, &dev->objectBucket[bucket].list) { + /* If there is already one in the list */ +- if (i +- && list_entry(i, yaffs_Object, +- hashLink)->objectId == n) { ++ if (i && ylist_entry(i, yaffs_Object, ++ hashLink)->objectId == n) { + found = 0; + } + } + } + } + +- + return n; + } + +-static void yaffs_HashObject(yaffs_Object * in) ++static void yaffs_HashObject(yaffs_Object *in) + { + int bucket = yaffs_HashFunction(in->objectId); + yaffs_Device *dev = in->myDev; + +- list_add(&in->hashLink, &dev->objectBucket[bucket].list); ++ ylist_add(&in->hashLink, &dev->objectBucket[bucket].list); + dev->objectBucket[bucket].count++; +- + } + +-yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device * dev, __u32 number) ++yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device *dev, __u32 number) + { + int bucket = yaffs_HashFunction(number); +- struct list_head *i; ++ struct ylist_head *i; + yaffs_Object *in; + +- list_for_each(i, &dev->objectBucket[bucket].list) { ++ ylist_for_each(i, &dev->objectBucket[bucket].list) { + /* Look if it is in the list */ + if (i) { +- in = list_entry(i, yaffs_Object, hashLink); ++ in = ylist_entry(i, yaffs_Object, hashLink); + if (in->objectId == number) { + #ifdef __KERNEL__ + /* Don't tell the VFS about this one if it is defered free */ +@@ -2118,31 +2155,27 @@ yaffs_Object *yaffs_FindObjectByNumber(y + return NULL; + } + +-yaffs_Object *yaffs_CreateNewObject(yaffs_Device * dev, int number, ++yaffs_Object *yaffs_CreateNewObject(yaffs_Device *dev, int number, + yaffs_ObjectType type) + { +- + yaffs_Object *theObject; +- yaffs_Tnode *tn; ++ yaffs_Tnode *tn = NULL; + +- if (number < 0) { ++ if (number < 0) + number = yaffs_CreateNewObjectNumber(dev); +- } + + theObject = yaffs_AllocateEmptyObject(dev); +- if(!theObject) ++ if (!theObject) + return NULL; + +- if(type == YAFFS_OBJECT_TYPE_FILE){ ++ if (type == YAFFS_OBJECT_TYPE_FILE) { + tn = yaffs_GetTnode(dev); +- if(!tn){ ++ if (!tn) { + yaffs_FreeObject(theObject); + return NULL; + } + } + +- +- + if (theObject) { + theObject->fake = 0; + theObject->renameAllowed = 1; +@@ -2171,8 +2204,8 @@ yaffs_Object *yaffs_CreateNewObject(yaff + theObject->variant.fileVariant.top = tn; + break; + case YAFFS_OBJECT_TYPE_DIRECTORY: +- INIT_LIST_HEAD(&theObject->variant.directoryVariant. +- children); ++ YINIT_LIST_HEAD(&theObject->variant.directoryVariant. ++ children); + break; + case YAFFS_OBJECT_TYPE_SYMLINK: + case YAFFS_OBJECT_TYPE_HARDLINK: +@@ -2188,32 +2221,30 @@ yaffs_Object *yaffs_CreateNewObject(yaff + return theObject; + } + +-static yaffs_Object *yaffs_FindOrCreateObjectByNumber(yaffs_Device * dev, ++static yaffs_Object *yaffs_FindOrCreateObjectByNumber(yaffs_Device *dev, + int number, + yaffs_ObjectType type) + { + yaffs_Object *theObject = NULL; + +- if (number > 0) { ++ if (number > 0) + theObject = yaffs_FindObjectByNumber(dev, number); +- } + +- if (!theObject) { ++ if (!theObject) + theObject = yaffs_CreateNewObject(dev, number, type); +- } + + return theObject; + + } + + +-static YCHAR *yaffs_CloneString(const YCHAR * str) ++static YCHAR *yaffs_CloneString(const YCHAR *str) + { + YCHAR *newStr = NULL; + + if (str && *str) { + newStr = YMALLOC((yaffs_strlen(str) + 1) * sizeof(YCHAR)); +- if(newStr) ++ if (newStr) + yaffs_strcpy(newStr, str); + } + +@@ -2229,29 +2260,31 @@ static YCHAR *yaffs_CloneString(const YC + */ + + static yaffs_Object *yaffs_MknodObject(yaffs_ObjectType type, +- yaffs_Object * parent, +- const YCHAR * name, ++ yaffs_Object *parent, ++ const YCHAR *name, + __u32 mode, + __u32 uid, + __u32 gid, +- yaffs_Object * equivalentObject, +- const YCHAR * aliasString, __u32 rdev) ++ yaffs_Object *equivalentObject, ++ const YCHAR *aliasString, __u32 rdev) + { + yaffs_Object *in; +- YCHAR *str; ++ YCHAR *str = NULL; + + yaffs_Device *dev = parent->myDev; + + /* Check if the entry exists. If it does then fail the call since we don't want a dup.*/ +- if (yaffs_FindObjectByName(parent, name)) { ++ if (yaffs_FindObjectByName(parent, name)) + return NULL; +- } + + in = yaffs_CreateNewObject(dev, -1, type); + +- if(type == YAFFS_OBJECT_TYPE_SYMLINK){ ++ if (!in) ++ return YAFFS_FAIL; ++ ++ if (type == YAFFS_OBJECT_TYPE_SYMLINK) { + str = yaffs_CloneString(aliasString); +- if(!str){ ++ if (!str) { + yaffs_FreeObject(in); + return NULL; + } +@@ -2260,7 +2293,7 @@ static yaffs_Object *yaffs_MknodObject(y + + + if (in) { +- in->chunkId = -1; ++ in->hdrChunk = 0; + in->valid = 1; + in->variantType = type; + +@@ -2293,10 +2326,10 @@ static yaffs_Object *yaffs_MknodObject(y + break; + case YAFFS_OBJECT_TYPE_HARDLINK: + in->variant.hardLinkVariant.equivalentObject = +- equivalentObject; ++ equivalentObject; + in->variant.hardLinkVariant.equivalentObjectId = +- equivalentObject->objectId; +- list_add(&in->hardLinks, &equivalentObject->hardLinks); ++ equivalentObject->objectId; ++ ylist_add(&in->hardLinks, &equivalentObject->hardLinks); + break; + case YAFFS_OBJECT_TYPE_FILE: + case YAFFS_OBJECT_TYPE_DIRECTORY: +@@ -2308,7 +2341,7 @@ static yaffs_Object *yaffs_MknodObject(y + + if (yaffs_UpdateObjectHeader(in, name, 0, 0, 0) < 0) { + /* Could not create the object header, fail the creation */ +- yaffs_DestroyObject(in); ++ yaffs_DeleteObject(in); + in = NULL; + } + +@@ -2317,38 +2350,38 @@ static yaffs_Object *yaffs_MknodObject(y + return in; + } + +-yaffs_Object *yaffs_MknodFile(yaffs_Object * parent, const YCHAR * name, +- __u32 mode, __u32 uid, __u32 gid) ++yaffs_Object *yaffs_MknodFile(yaffs_Object *parent, const YCHAR *name, ++ __u32 mode, __u32 uid, __u32 gid) + { + return yaffs_MknodObject(YAFFS_OBJECT_TYPE_FILE, parent, name, mode, +- uid, gid, NULL, NULL, 0); ++ uid, gid, NULL, NULL, 0); + } + +-yaffs_Object *yaffs_MknodDirectory(yaffs_Object * parent, const YCHAR * name, +- __u32 mode, __u32 uid, __u32 gid) ++yaffs_Object *yaffs_MknodDirectory(yaffs_Object *parent, const YCHAR *name, ++ __u32 mode, __u32 uid, __u32 gid) + { + return yaffs_MknodObject(YAFFS_OBJECT_TYPE_DIRECTORY, parent, name, + mode, uid, gid, NULL, NULL, 0); + } + +-yaffs_Object *yaffs_MknodSpecial(yaffs_Object * parent, const YCHAR * name, +- __u32 mode, __u32 uid, __u32 gid, __u32 rdev) ++yaffs_Object *yaffs_MknodSpecial(yaffs_Object *parent, const YCHAR *name, ++ __u32 mode, __u32 uid, __u32 gid, __u32 rdev) + { + return yaffs_MknodObject(YAFFS_OBJECT_TYPE_SPECIAL, parent, name, mode, + uid, gid, NULL, NULL, rdev); + } + +-yaffs_Object *yaffs_MknodSymLink(yaffs_Object * parent, const YCHAR * name, +- __u32 mode, __u32 uid, __u32 gid, +- const YCHAR * alias) ++yaffs_Object *yaffs_MknodSymLink(yaffs_Object *parent, const YCHAR *name, ++ __u32 mode, __u32 uid, __u32 gid, ++ const YCHAR *alias) + { + return yaffs_MknodObject(YAFFS_OBJECT_TYPE_SYMLINK, parent, name, mode, +- uid, gid, NULL, alias, 0); ++ uid, gid, NULL, alias, 0); + } + + /* yaffs_Link returns the object id of the equivalent object.*/ +-yaffs_Object *yaffs_Link(yaffs_Object * parent, const YCHAR * name, +- yaffs_Object * equivalentObject) ++yaffs_Object *yaffs_Link(yaffs_Object *parent, const YCHAR *name, ++ yaffs_Object *equivalentObject) + { + /* Get the real object in case we were fed a hard link as an equivalent object */ + equivalentObject = yaffs_GetEquivalentObject(equivalentObject); +@@ -2363,33 +2396,31 @@ yaffs_Object *yaffs_Link(yaffs_Object * + + } + +-static int yaffs_ChangeObjectName(yaffs_Object * obj, yaffs_Object * newDir, +- const YCHAR * newName, int force, int shadows) ++static int yaffs_ChangeObjectName(yaffs_Object *obj, yaffs_Object *newDir, ++ const YCHAR *newName, int force, int shadows) + { + int unlinkOp; + int deleteOp; + + yaffs_Object *existingTarget; + +- if (newDir == NULL) { ++ if (newDir == NULL) + newDir = obj->parent; /* use the old directory */ +- } + + if (newDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) { + T(YAFFS_TRACE_ALWAYS, + (TSTR +- ("tragendy: yaffs_ChangeObjectName: newDir is not a directory" ++ ("tragedy: yaffs_ChangeObjectName: newDir is not a directory" + TENDSTR))); + YBUG(); + } + + /* TODO: Do we need this different handling for YAFFS2 and YAFFS1?? */ +- if (obj->myDev->isYaffs2) { ++ if (obj->myDev->isYaffs2) + unlinkOp = (newDir == obj->myDev->unlinkedDir); +- } else { ++ else + unlinkOp = (newDir == obj->myDev->unlinkedDir + && obj->variantType == YAFFS_OBJECT_TYPE_FILE); +- } + + deleteOp = (newDir == obj->myDev->deletedDir); + +@@ -2415,40 +2446,40 @@ static int yaffs_ChangeObjectName(yaffs_ + obj->unlinked = 1; + + /* If it is a deletion then we mark it as a shrink for gc purposes. */ +- if (yaffs_UpdateObjectHeader(obj, newName, 0, deleteOp, shadows)>= 0) ++ if (yaffs_UpdateObjectHeader(obj, newName, 0, deleteOp, shadows) >= 0) + return YAFFS_OK; + } + + return YAFFS_FAIL; + } + +-int yaffs_RenameObject(yaffs_Object * oldDir, const YCHAR * oldName, +- yaffs_Object * newDir, const YCHAR * newName) ++int yaffs_RenameObject(yaffs_Object *oldDir, const YCHAR *oldName, ++ yaffs_Object *newDir, const YCHAR *newName) + { +- yaffs_Object *obj; +- yaffs_Object *existingTarget; ++ yaffs_Object *obj = NULL; ++ yaffs_Object *existingTarget = NULL; + int force = 0; + ++ ++ if (!oldDir || oldDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) ++ YBUG(); ++ if (!newDir || newDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) ++ YBUG(); ++ + #ifdef CONFIG_YAFFS_CASE_INSENSITIVE + /* Special case for case insemsitive systems (eg. WinCE). + * While look-up is case insensitive, the name isn't. + * Therefore we might want to change x.txt to X.txt + */ +- if (oldDir == newDir && yaffs_strcmp(oldName, newName) == 0) { ++ if (oldDir == newDir && yaffs_strcmp(oldName, newName) == 0) + force = 1; +- } + #endif + ++ else if (yaffs_strlen(newName) > YAFFS_MAX_NAME_LENGTH) ++ /* ENAMETOOLONG */ ++ return YAFFS_FAIL; ++ + obj = yaffs_FindObjectByName(oldDir, oldName); +- /* Check new name to long. */ +- if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK && +- yaffs_strlen(newName) > YAFFS_MAX_ALIAS_LENGTH) +- /* ENAMETOOLONG */ +- return YAFFS_FAIL; +- else if (obj->variantType != YAFFS_OBJECT_TYPE_SYMLINK && +- yaffs_strlen(newName) > YAFFS_MAX_NAME_LENGTH) +- /* ENAMETOOLONG */ +- return YAFFS_FAIL; + + if (obj && obj->renameAllowed) { + +@@ -2456,8 +2487,8 @@ int yaffs_RenameObject(yaffs_Object * ol + + existingTarget = yaffs_FindObjectByName(newDir, newName); + if (existingTarget && +- existingTarget->variantType == YAFFS_OBJECT_TYPE_DIRECTORY && +- !list_empty(&existingTarget->variant.directoryVariant.children)) { ++ existingTarget->variantType == YAFFS_OBJECT_TYPE_DIRECTORY && ++ !ylist_empty(&existingTarget->variant.directoryVariant.children)) { + /* There is a target that is a non-empty directory, so we fail */ + return YAFFS_FAIL; /* EEXIST or ENOTEMPTY */ + } else if (existingTarget && existingTarget != obj) { +@@ -2465,7 +2496,7 @@ int yaffs_RenameObject(yaffs_Object * ol + * but only if it isn't the same object + */ + yaffs_ChangeObjectName(obj, newDir, newName, force, +- existingTarget->objectId); ++ existingTarget->objectId); + yaffs_UnlinkObject(existingTarget); + } + +@@ -2476,7 +2507,7 @@ int yaffs_RenameObject(yaffs_Object * ol + + /*------------------------- Block Management and Page Allocation ----------------*/ + +-static int yaffs_InitialiseBlocks(yaffs_Device * dev) ++static int yaffs_InitialiseBlocks(yaffs_Device *dev) + { + int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1; + +@@ -2487,23 +2518,20 @@ static int yaffs_InitialiseBlocks(yaffs_ + + /* If the first allocation strategy fails, thry the alternate one */ + dev->blockInfo = YMALLOC(nBlocks * sizeof(yaffs_BlockInfo)); +- if(!dev->blockInfo){ ++ if (!dev->blockInfo) { + dev->blockInfo = YMALLOC_ALT(nBlocks * sizeof(yaffs_BlockInfo)); + dev->blockInfoAlt = 1; +- } +- else ++ } else + dev->blockInfoAlt = 0; + +- if(dev->blockInfo){ +- ++ if (dev->blockInfo) { + /* Set up dynamic blockinfo stuff. */ + dev->chunkBitmapStride = (dev->nChunksPerBlock + 7) / 8; /* round up bytes */ + dev->chunkBits = YMALLOC(dev->chunkBitmapStride * nBlocks); +- if(!dev->chunkBits){ ++ if (!dev->chunkBits) { + dev->chunkBits = YMALLOC_ALT(dev->chunkBitmapStride * nBlocks); + dev->chunkBitsAlt = 1; +- } +- else ++ } else + dev->chunkBitsAlt = 0; + } + +@@ -2514,30 +2542,29 @@ static int yaffs_InitialiseBlocks(yaffs_ + } + + return YAFFS_FAIL; +- + } + +-static void yaffs_DeinitialiseBlocks(yaffs_Device * dev) ++static void yaffs_DeinitialiseBlocks(yaffs_Device *dev) + { +- if(dev->blockInfoAlt && dev->blockInfo) ++ if (dev->blockInfoAlt && dev->blockInfo) + YFREE_ALT(dev->blockInfo); +- else if(dev->blockInfo) ++ else if (dev->blockInfo) + YFREE(dev->blockInfo); + + dev->blockInfoAlt = 0; + + dev->blockInfo = NULL; + +- if(dev->chunkBitsAlt && dev->chunkBits) ++ if (dev->chunkBitsAlt && dev->chunkBits) + YFREE_ALT(dev->chunkBits); +- else if(dev->chunkBits) ++ else if (dev->chunkBits) + YFREE(dev->chunkBits); + dev->chunkBitsAlt = 0; + dev->chunkBits = NULL; + } + +-static int yaffs_BlockNotDisqualifiedFromGC(yaffs_Device * dev, +- yaffs_BlockInfo * bi) ++static int yaffs_BlockNotDisqualifiedFromGC(yaffs_Device *dev, ++ yaffs_BlockInfo *bi) + { + int i; + __u32 seq; +@@ -2556,7 +2583,7 @@ static int yaffs_BlockNotDisqualifiedFro + seq = dev->sequenceNumber; + + for (i = dev->internalStartBlock; i <= dev->internalEndBlock; +- i++) { ++ i++) { + b = yaffs_GetBlockInfo(dev, i); + if (b->blockState == YAFFS_BLOCK_STATE_FULL && + (b->pagesInUse - b->softDeletions) < +@@ -2571,38 +2598,36 @@ static int yaffs_BlockNotDisqualifiedFro + * discarded pages. + */ + return (bi->sequenceNumber <= dev->oldestDirtySequence); +- + } + + /* FindDiretiestBlock is used to select the dirtiest block (or close enough) + * for garbage collection. + */ + +-static int yaffs_FindBlockForGarbageCollection(yaffs_Device * dev, +- int aggressive) ++static int yaffs_FindBlockForGarbageCollection(yaffs_Device *dev, ++ int aggressive) + { +- + int b = dev->currentDirtyChecker; + + int i; + int iterations; + int dirtiest = -1; + int pagesInUse = 0; +- int prioritised=0; ++ int prioritised = 0; + yaffs_BlockInfo *bi; + int pendingPrioritisedExist = 0; + + /* First let's see if we need to grab a prioritised block */ +- if(dev->hasPendingPrioritisedGCs){ +- for(i = dev->internalStartBlock; i < dev->internalEndBlock && !prioritised; i++){ ++ if (dev->hasPendingPrioritisedGCs) { ++ for (i = dev->internalStartBlock; i < dev->internalEndBlock && !prioritised; i++) { + + bi = yaffs_GetBlockInfo(dev, i); +- //yaffs_VerifyBlock(dev,bi,i); ++ /* yaffs_VerifyBlock(dev,bi,i); */ + +- if(bi->gcPrioritise) { ++ if (bi->gcPrioritise) { + pendingPrioritisedExist = 1; +- if(bi->blockState == YAFFS_BLOCK_STATE_FULL && +- yaffs_BlockNotDisqualifiedFromGC(dev, bi)){ ++ if (bi->blockState == YAFFS_BLOCK_STATE_FULL && ++ yaffs_BlockNotDisqualifiedFromGC(dev, bi)) { + pagesInUse = (bi->pagesInUse - bi->softDeletions); + dirtiest = i; + prioritised = 1; +@@ -2611,7 +2636,7 @@ static int yaffs_FindBlockForGarbageColl + } + } + +- if(!pendingPrioritisedExist) /* None found, so we can clear this */ ++ if (!pendingPrioritisedExist) /* None found, so we can clear this */ + dev->hasPendingPrioritisedGCs = 0; + } + +@@ -2623,31 +2648,28 @@ static int yaffs_FindBlockForGarbageColl + + dev->nonAggressiveSkip--; + +- if (!aggressive && (dev->nonAggressiveSkip > 0)) { ++ if (!aggressive && (dev->nonAggressiveSkip > 0)) + return -1; +- } + +- if(!prioritised) ++ if (!prioritised) + pagesInUse = +- (aggressive) ? dev->nChunksPerBlock : YAFFS_PASSIVE_GC_CHUNKS + 1; ++ (aggressive) ? dev->nChunksPerBlock : YAFFS_PASSIVE_GC_CHUNKS + 1; + +- if (aggressive) { ++ if (aggressive) + iterations = + dev->internalEndBlock - dev->internalStartBlock + 1; +- } else { ++ else { + iterations = + dev->internalEndBlock - dev->internalStartBlock + 1; + iterations = iterations / 16; +- if (iterations > 200) { ++ if (iterations > 200) + iterations = 200; +- } + } + + for (i = 0; i <= iterations && pagesInUse > 0 && !prioritised; i++) { + b++; +- if (b < dev->internalStartBlock || b > dev->internalEndBlock) { ++ if (b < dev->internalStartBlock || b > dev->internalEndBlock) + b = dev->internalStartBlock; +- } + + if (b < dev->internalStartBlock || b > dev->internalEndBlock) { + T(YAFFS_TRACE_ERROR, +@@ -2657,17 +2679,9 @@ static int yaffs_FindBlockForGarbageColl + + bi = yaffs_GetBlockInfo(dev, b); + +-#if 0 +- if (bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT) { +- dirtiest = b; +- pagesInUse = 0; +- } +- else +-#endif +- + if (bi->blockState == YAFFS_BLOCK_STATE_FULL && +- (bi->pagesInUse - bi->softDeletions) < pagesInUse && +- yaffs_BlockNotDisqualifiedFromGC(dev, bi)) { ++ (bi->pagesInUse - bi->softDeletions) < pagesInUse && ++ yaffs_BlockNotDisqualifiedFromGC(dev, bi)) { + dirtiest = b; + pagesInUse = (bi->pagesInUse - bi->softDeletions); + } +@@ -2678,19 +2692,18 @@ static int yaffs_FindBlockForGarbageColl + if (dirtiest > 0) { + T(YAFFS_TRACE_GC, + (TSTR("GC Selected block %d with %d free, prioritised:%d" TENDSTR), dirtiest, +- dev->nChunksPerBlock - pagesInUse,prioritised)); ++ dev->nChunksPerBlock - pagesInUse, prioritised)); + } + + dev->oldestDirtySequence = 0; + +- if (dirtiest > 0) { ++ if (dirtiest > 0) + dev->nonAggressiveSkip = 4; +- } + + return dirtiest; + } + +-static void yaffs_BlockBecameDirty(yaffs_Device * dev, int blockNo) ++static void yaffs_BlockBecameDirty(yaffs_Device *dev, int blockNo) + { + yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockNo); + +@@ -2752,7 +2765,7 @@ static void yaffs_BlockBecameDirty(yaffs + } + } + +-static int yaffs_FindBlockForAllocation(yaffs_Device * dev) ++static int yaffs_FindBlockForAllocation(yaffs_Device *dev) + { + int i; + +@@ -2763,7 +2776,7 @@ static int yaffs_FindBlockForAllocation( + * Can't get space to gc + */ + T(YAFFS_TRACE_ERROR, +- (TSTR("yaffs tragedy: no more eraased blocks" TENDSTR))); ++ (TSTR("yaffs tragedy: no more erased blocks" TENDSTR))); + + return -1; + } +@@ -2794,31 +2807,74 @@ static int yaffs_FindBlockForAllocation( + + T(YAFFS_TRACE_ALWAYS, + (TSTR +- ("yaffs tragedy: no more eraased blocks, but there should have been %d" ++ ("yaffs tragedy: no more erased blocks, but there should have been %d" + TENDSTR), dev->nErasedBlocks)); + + return -1; + } + + +-// Check if there's space to allocate... +-// Thinks.... do we need top make this ths same as yaffs_GetFreeChunks()? +-static int yaffs_CheckSpaceForAllocation(yaffs_Device * dev) ++ ++static int yaffs_CalcCheckpointBlocksRequired(yaffs_Device *dev) ++{ ++ if (!dev->nCheckpointBlocksRequired && ++ dev->isYaffs2) { ++ /* Not a valid value so recalculate */ ++ int nBytes = 0; ++ int nBlocks; ++ int devBlocks = (dev->endBlock - dev->startBlock + 1); ++ int tnodeSize; ++ ++ tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8; ++ ++ if (tnodeSize < sizeof(yaffs_Tnode)) ++ tnodeSize = sizeof(yaffs_Tnode); ++ ++ nBytes += sizeof(yaffs_CheckpointValidity); ++ nBytes += sizeof(yaffs_CheckpointDevice); ++ nBytes += devBlocks * sizeof(yaffs_BlockInfo); ++ nBytes += devBlocks * dev->chunkBitmapStride; ++ nBytes += (sizeof(yaffs_CheckpointObject) + sizeof(__u32)) * (dev->nObjectsCreated - dev->nFreeObjects); ++ nBytes += (tnodeSize + sizeof(__u32)) * (dev->nTnodesCreated - dev->nFreeTnodes); ++ nBytes += sizeof(yaffs_CheckpointValidity); ++ nBytes += sizeof(__u32); /* checksum*/ ++ ++ /* Round up and add 2 blocks to allow for some bad blocks, so add 3 */ ++ ++ nBlocks = (nBytes/(dev->nDataBytesPerChunk * dev->nChunksPerBlock)) + 3; ++ ++ dev->nCheckpointBlocksRequired = nBlocks; ++ } ++ ++ return dev->nCheckpointBlocksRequired; ++} ++ ++/* ++ * Check if there's space to allocate... ++ * Thinks.... do we need top make this ths same as yaffs_GetFreeChunks()? ++ */ ++static int yaffs_CheckSpaceForAllocation(yaffs_Device *dev) + { + int reservedChunks; + int reservedBlocks = dev->nReservedBlocks; + int checkpointBlocks; + +- checkpointBlocks = dev->nCheckpointReservedBlocks - dev->blocksInCheckpoint; +- if(checkpointBlocks < 0) ++ if (dev->isYaffs2) { ++ checkpointBlocks = yaffs_CalcCheckpointBlocksRequired(dev) - ++ dev->blocksInCheckpoint; ++ if (checkpointBlocks < 0) ++ checkpointBlocks = 0; ++ } else { + checkpointBlocks = 0; ++ } + + reservedChunks = ((reservedBlocks + checkpointBlocks) * dev->nChunksPerBlock); + + return (dev->nFreeChunks > reservedChunks); + } + +-static int yaffs_AllocateChunk(yaffs_Device * dev, int useReserve, yaffs_BlockInfo **blockUsedPtr) ++static int yaffs_AllocateChunk(yaffs_Device *dev, int useReserve, ++ yaffs_BlockInfo **blockUsedPtr) + { + int retVal; + yaffs_BlockInfo *bi; +@@ -2835,7 +2891,7 @@ static int yaffs_AllocateChunk(yaffs_Dev + } + + if (dev->nErasedBlocks < dev->nReservedBlocks +- && dev->allocationPage == 0) { ++ && dev->allocationPage == 0) { + T(YAFFS_TRACE_ALLOCATE, (TSTR("Allocating reserve" TENDSTR))); + } + +@@ -2844,10 +2900,10 @@ static int yaffs_AllocateChunk(yaffs_Dev + bi = yaffs_GetBlockInfo(dev, dev->allocationBlock); + + retVal = (dev->allocationBlock * dev->nChunksPerBlock) + +- dev->allocationPage; ++ dev->allocationPage; + bi->pagesInUse++; + yaffs_SetChunkBit(dev, dev->allocationBlock, +- dev->allocationPage); ++ dev->allocationPage); + + dev->allocationPage++; + +@@ -2859,43 +2915,43 @@ static int yaffs_AllocateChunk(yaffs_Dev + dev->allocationBlock = -1; + } + +- if(blockUsedPtr) ++ if (blockUsedPtr) + *blockUsedPtr = bi; + + return retVal; + } + + T(YAFFS_TRACE_ERROR, +- (TSTR("!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!" TENDSTR))); ++ (TSTR("!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!" TENDSTR))); + + return -1; + } + +-static int yaffs_GetErasedChunks(yaffs_Device * dev) ++static int yaffs_GetErasedChunks(yaffs_Device *dev) + { + int n; + + n = dev->nErasedBlocks * dev->nChunksPerBlock; + +- if (dev->allocationBlock > 0) { ++ if (dev->allocationBlock > 0) + n += (dev->nChunksPerBlock - dev->allocationPage); +- } + + return n; + + } + +-static int yaffs_GarbageCollectBlock(yaffs_Device * dev, int block) ++static int yaffs_GarbageCollectBlock(yaffs_Device *dev, int block, ++ int wholeBlock) + { + int oldChunk; + int newChunk; +- int chunkInBlock; + int markNAND; + int retVal = YAFFS_OK; + int cleanups = 0; + int i; + int isCheckpointBlock; + int matchingChunk; ++ int maxCopies; + + int chunksBefore = yaffs_GetErasedChunks(dev); + int chunksAfter; +@@ -2911,8 +2967,11 @@ static int yaffs_GarbageCollectBlock(yaf + bi->blockState = YAFFS_BLOCK_STATE_COLLECTING; + + T(YAFFS_TRACE_TRACING, +- (TSTR("Collecting block %d, in use %d, shrink %d, " TENDSTR), block, +- bi->pagesInUse, bi->hasShrinkHeader)); ++ (TSTR("Collecting block %d, in use %d, shrink %d, wholeBlock %d" TENDSTR), ++ block, ++ bi->pagesInUse, ++ bi->hasShrinkHeader, ++ wholeBlock)); + + /*yaffs_VerifyFreeChunks(dev); */ + +@@ -2926,26 +2985,33 @@ static int yaffs_GarbageCollectBlock(yaf + dev->isDoingGC = 1; + + if (isCheckpointBlock || +- !yaffs_StillSomeChunkBits(dev, block)) { ++ !yaffs_StillSomeChunkBits(dev, block)) { + T(YAFFS_TRACE_TRACING, +- (TSTR +- ("Collecting block %d that has no chunks in use" TENDSTR), +- block)); ++ (TSTR ++ ("Collecting block %d that has no chunks in use" TENDSTR), ++ block)); + yaffs_BlockBecameDirty(dev, block); + } else { + + __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__); + +- yaffs_VerifyBlock(dev,bi,block); ++ yaffs_VerifyBlock(dev, bi, block); + +- for (chunkInBlock = 0, oldChunk = block * dev->nChunksPerBlock; +- chunkInBlock < dev->nChunksPerBlock +- && yaffs_StillSomeChunkBits(dev, block); +- chunkInBlock++, oldChunk++) { +- if (yaffs_CheckChunkBit(dev, block, chunkInBlock)) { ++ maxCopies = (wholeBlock) ? dev->nChunksPerBlock : 10; ++ oldChunk = block * dev->nChunksPerBlock + dev->gcChunk; ++ ++ for (/* init already done */; ++ retVal == YAFFS_OK && ++ dev->gcChunk < dev->nChunksPerBlock && ++ (bi->blockState == YAFFS_BLOCK_STATE_COLLECTING) && ++ maxCopies > 0; ++ dev->gcChunk++, oldChunk++) { ++ if (yaffs_CheckChunkBit(dev, block, dev->gcChunk)) { + + /* This page is in use and might need to be copied off */ + ++ maxCopies--; ++ + markNAND = 1; + + yaffs_InitialiseTags(&tags); +@@ -2959,22 +3025,22 @@ static int yaffs_GarbageCollectBlock(yaf + + T(YAFFS_TRACE_GC_DETAIL, + (TSTR +- ("Collecting page %d, %d %d %d " TENDSTR), +- chunkInBlock, tags.objectId, tags.chunkId, ++ ("Collecting chunk in block %d, %d %d %d " TENDSTR), ++ dev->gcChunk, tags.objectId, tags.chunkId, + tags.byteCount)); + +- if(object && !yaffs_SkipVerification(dev)){ +- if(tags.chunkId == 0) +- matchingChunk = object->chunkId; +- else if(object->softDeleted) ++ if (object && !yaffs_SkipVerification(dev)) { ++ if (tags.chunkId == 0) ++ matchingChunk = object->hdrChunk; ++ else if (object->softDeleted) + matchingChunk = oldChunk; /* Defeat the test */ + else +- matchingChunk = yaffs_FindChunkInFile(object,tags.chunkId,NULL); ++ matchingChunk = yaffs_FindChunkInFile(object, tags.chunkId, NULL); + +- if(oldChunk != matchingChunk) ++ if (oldChunk != matchingChunk) + T(YAFFS_TRACE_ERROR, + (TSTR("gc: page in gc mismatch: %d %d %d %d"TENDSTR), +- oldChunk,matchingChunk,tags.objectId, tags.chunkId)); ++ oldChunk, matchingChunk, tags.objectId, tags.chunkId)); + + } + +@@ -2986,9 +3052,11 @@ static int yaffs_GarbageCollectBlock(yaf + tags.objectId, tags.chunkId, tags.byteCount)); + } + +- if (object && object->deleted +- && tags.chunkId != 0) { +- /* Data chunk in a deleted file, throw it away ++ if (object && ++ object->deleted && ++ object->softDeleted && ++ tags.chunkId != 0) { ++ /* Data chunk in a soft deleted file, throw it away + * It's a soft deleted data chunk, + * No need to copy this, just forget about it and + * fix up the object. +@@ -3003,13 +3071,12 @@ static int yaffs_GarbageCollectBlock(yaf + cleanups++; + } + markNAND = 0; +- } else if (0 +- /* Todo object && object->deleted && object->nDataChunks == 0 */ +- ) { ++ } else if (0) { ++ /* Todo object && object->deleted && object->nDataChunks == 0 */ + /* Deleted object header with no data chunks. + * Can be discarded and the file deleted. + */ +- object->chunkId = 0; ++ object->hdrChunk = 0; + yaffs_FreeTnode(object->myDev, + object->variant. + fileVariant.top); +@@ -3031,17 +3098,14 @@ static int yaffs_GarbageCollectBlock(yaf + * We need to nuke the shrinkheader flags first + * We no longer want the shrinkHeader flag since its work is done + * and if it is left in place it will mess up scanning. +- * Also, clear out any shadowing stuff + */ + + yaffs_ObjectHeader *oh; + oh = (yaffs_ObjectHeader *)buffer; + oh->isShrink = 0; +- oh->shadowsObject = -1; +- tags.extraShadows = 0; + tags.extraIsShrinkHeader = 0; + +- yaffs_VerifyObjectHeader(object,oh,&tags,1); ++ yaffs_VerifyObjectHeader(object, oh, &tags, 1); + } + + newChunk = +@@ -3055,7 +3119,7 @@ static int yaffs_GarbageCollectBlock(yaf + + if (tags.chunkId == 0) { + /* It's a header */ +- object->chunkId = newChunk; ++ object->hdrChunk = newChunk; + object->serial = tags.serialNumber; + } else { + /* It's a data chunk */ +@@ -3067,7 +3131,8 @@ static int yaffs_GarbageCollectBlock(yaf + } + } + +- yaffs_DeleteChunk(dev, oldChunk, markNAND, __LINE__); ++ if (retVal == YAFFS_OK) ++ yaffs_DeleteChunk(dev, oldChunk, markNAND, __LINE__); + + } + } +@@ -3098,18 +3163,25 @@ static int yaffs_GarbageCollectBlock(yaf + + } + +- yaffs_VerifyCollectedBlock(dev,bi,block); ++ yaffs_VerifyCollectedBlock(dev, bi, block); + +- if (chunksBefore >= (chunksAfter = yaffs_GetErasedChunks(dev))) { ++ chunksAfter = yaffs_GetErasedChunks(dev); ++ if (chunksBefore >= chunksAfter) { + T(YAFFS_TRACE_GC, + (TSTR + ("gc did not increase free chunks before %d after %d" + TENDSTR), chunksBefore, chunksAfter)); + } + ++ /* If the gc completed then clear the current gcBlock so that we find another. */ ++ if (bi->blockState != YAFFS_BLOCK_STATE_COLLECTING) { ++ dev->gcBlock = -1; ++ dev->gcChunk = 0; ++ } ++ + dev->isDoingGC = 0; + +- return YAFFS_OK; ++ return retVal; + } + + /* New garbage collector +@@ -3121,7 +3193,7 @@ static int yaffs_GarbageCollectBlock(yaf + * The idea is to help clear out space in a more spread-out manner. + * Dunno if it really does anything useful. + */ +-static int yaffs_CheckGarbageCollection(yaffs_Device * dev) ++static int yaffs_CheckGarbageCollection(yaffs_Device *dev) + { + int block; + int aggressive; +@@ -3142,8 +3214,8 @@ static int yaffs_CheckGarbageCollection( + do { + maxTries++; + +- checkpointBlockAdjust = (dev->nCheckpointReservedBlocks - dev->blocksInCheckpoint); +- if(checkpointBlockAdjust < 0) ++ checkpointBlockAdjust = yaffs_CalcCheckpointBlocksRequired(dev) - dev->blocksInCheckpoint; ++ if (checkpointBlockAdjust < 0) + checkpointBlockAdjust = 0; + + if (dev->nErasedBlocks < (dev->nReservedBlocks + checkpointBlockAdjust + 2)) { +@@ -3154,20 +3226,24 @@ static int yaffs_CheckGarbageCollection( + aggressive = 0; + } + +- block = yaffs_FindBlockForGarbageCollection(dev, aggressive); ++ if (dev->gcBlock <= 0) { ++ dev->gcBlock = yaffs_FindBlockForGarbageCollection(dev, aggressive); ++ dev->gcChunk = 0; ++ } ++ ++ block = dev->gcBlock; + + if (block > 0) { + dev->garbageCollections++; +- if (!aggressive) { ++ if (!aggressive) + dev->passiveGarbageCollections++; +- } + + T(YAFFS_TRACE_GC, + (TSTR + ("yaffs: GC erasedBlocks %d aggressive %d" TENDSTR), + dev->nErasedBlocks, aggressive)); + +- gcOk = yaffs_GarbageCollectBlock(dev, block); ++ gcOk = yaffs_GarbageCollectBlock(dev, block, aggressive); + } + + if (dev->nErasedBlocks < (dev->nReservedBlocks) && block > 0) { +@@ -3176,15 +3252,16 @@ static int yaffs_CheckGarbageCollection( + ("yaffs: GC !!!no reclaim!!! erasedBlocks %d after try %d block %d" + TENDSTR), dev->nErasedBlocks, maxTries, block)); + } +- } while ((dev->nErasedBlocks < dev->nReservedBlocks) && (block > 0) +- && (maxTries < 2)); ++ } while ((dev->nErasedBlocks < dev->nReservedBlocks) && ++ (block > 0) && ++ (maxTries < 2)); + + return aggressive ? gcOk : YAFFS_OK; + } + + /*------------------------- TAGS --------------------------------*/ + +-static int yaffs_TagsMatch(const yaffs_ExtendedTags * tags, int objectId, ++static int yaffs_TagsMatch(const yaffs_ExtendedTags *tags, int objectId, + int chunkInObject) + { + return (tags->chunkId == chunkInObject && +@@ -3195,8 +3272,8 @@ static int yaffs_TagsMatch(const yaffs_E + + /*-------------------- Data file manipulation -----------------*/ + +-static int yaffs_FindChunkInFile(yaffs_Object * in, int chunkInInode, +- yaffs_ExtendedTags * tags) ++static int yaffs_FindChunkInFile(yaffs_Object *in, int chunkInInode, ++ yaffs_ExtendedTags *tags) + { + /*Get the Tnode, then get the level 0 offset chunk offset */ + yaffs_Tnode *tn; +@@ -3214,7 +3291,7 @@ static int yaffs_FindChunkInFile(yaffs_O + tn = yaffs_FindLevel0Tnode(dev, &in->variant.fileVariant, chunkInInode); + + if (tn) { +- theChunk = yaffs_GetChunkGroupBase(dev,tn,chunkInInode); ++ theChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode); + + retVal = + yaffs_FindChunkInGroup(dev, theChunk, tags, in->objectId, +@@ -3223,8 +3300,8 @@ static int yaffs_FindChunkInFile(yaffs_O + return retVal; + } + +-static int yaffs_FindAndDeleteChunkInFile(yaffs_Object * in, int chunkInInode, +- yaffs_ExtendedTags * tags) ++static int yaffs_FindAndDeleteChunkInFile(yaffs_Object *in, int chunkInInode, ++ yaffs_ExtendedTags *tags) + { + /* Get the Tnode, then get the level 0 offset chunk offset */ + yaffs_Tnode *tn; +@@ -3243,29 +3320,23 @@ static int yaffs_FindAndDeleteChunkInFil + + if (tn) { + +- theChunk = yaffs_GetChunkGroupBase(dev,tn,chunkInInode); ++ theChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode); + + retVal = + yaffs_FindChunkInGroup(dev, theChunk, tags, in->objectId, + chunkInInode); + + /* Delete the entry in the filestructure (if found) */ +- if (retVal != -1) { +- yaffs_PutLevel0Tnode(dev,tn,chunkInInode,0); +- } +- } else { +- /*T(("No level 0 found for %d\n", chunkInInode)); */ ++ if (retVal != -1) ++ yaffs_PutLevel0Tnode(dev, tn, chunkInInode, 0); + } + +- if (retVal == -1) { +- /* T(("Could not find %d to delete\n",chunkInInode)); */ +- } + return retVal; + } + + #ifdef YAFFS_PARANOID + +-static int yaffs_CheckFileSanity(yaffs_Object * in) ++static int yaffs_CheckFileSanity(yaffs_Object *in) + { + int chunk; + int nChunks; +@@ -3278,10 +3349,8 @@ static int yaffs_CheckFileSanity(yaffs_O + int theChunk; + int chunkDeleted; + +- if (in->variantType != YAFFS_OBJECT_TYPE_FILE) { +- /* T(("Object not a file\n")); */ ++ if (in->variantType != YAFFS_OBJECT_TYPE_FILE) + return YAFFS_FAIL; +- } + + objId = in->objectId; + fSize = in->variant.fileVariant.fileSize; +@@ -3294,7 +3363,7 @@ static int yaffs_CheckFileSanity(yaffs_O + + if (tn) { + +- theChunk = yaffs_GetChunkGroupBase(dev,tn,chunk); ++ theChunk = yaffs_GetChunkGroupBase(dev, tn, chunk); + + if (yaffs_CheckChunkBits + (dev, theChunk / dev->nChunksPerBlock, +@@ -3323,7 +3392,7 @@ static int yaffs_CheckFileSanity(yaffs_O + + #endif + +-static int yaffs_PutChunkIntoFile(yaffs_Object * in, int chunkInInode, ++static int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode, + int chunkInNAND, int inScan) + { + /* NB inScan is zero unless scanning. +@@ -3358,11 +3427,10 @@ static int yaffs_PutChunkIntoFile(yaffs_ + &in->variant.fileVariant, + chunkInInode, + NULL); +- if (!tn) { ++ if (!tn) + return YAFFS_FAIL; +- } + +- existingChunk = yaffs_GetChunkGroupBase(dev,tn,chunkInInode); ++ existingChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode); + + if (inScan != 0) { + /* If we're scanning then we need to test for duplicates +@@ -3374,7 +3442,7 @@ static int yaffs_PutChunkIntoFile(yaffs_ + * Update: For backward scanning we don't need to re-read tags so this is quite cheap. + */ + +- if (existingChunk != 0) { ++ if (existingChunk > 0) { + /* NB Right now existing chunk will not be real chunkId if the device >= 32MB + * thus we have to do a FindChunkInFile to get the real chunk id. + * +@@ -3411,8 +3479,10 @@ static int yaffs_PutChunkIntoFile(yaffs_ + * not be loaded during a scan + */ + +- newSerial = newTags.serialNumber; +- existingSerial = existingTags.serialNumber; ++ if (inScan > 0) { ++ newSerial = newTags.serialNumber; ++ existingSerial = existingTags.serialNumber; ++ } + + if ((inScan > 0) && + (in->myDev->isYaffs2 || +@@ -3437,24 +3507,23 @@ static int yaffs_PutChunkIntoFile(yaffs_ + + } + +- if (existingChunk == 0) { ++ if (existingChunk == 0) + in->nDataChunks++; +- } + +- yaffs_PutLevel0Tnode(dev,tn,chunkInInode,chunkInNAND); ++ yaffs_PutLevel0Tnode(dev, tn, chunkInInode, chunkInNAND); + + return YAFFS_OK; + } + +-static int yaffs_ReadChunkDataFromObject(yaffs_Object * in, int chunkInInode, +- __u8 * buffer) ++static int yaffs_ReadChunkDataFromObject(yaffs_Object *in, int chunkInInode, ++ __u8 *buffer) + { + int chunkInNAND = yaffs_FindChunkInFile(in, chunkInInode, NULL); + +- if (chunkInNAND >= 0) { ++ if (chunkInNAND >= 0) + return yaffs_ReadChunkWithTagsFromNAND(in->myDev, chunkInNAND, +- buffer,NULL); +- } else { ++ buffer, NULL); ++ else { + T(YAFFS_TRACE_NANDACCESS, + (TSTR("Chunk %d not found zero instead" TENDSTR), + chunkInNAND)); +@@ -3465,7 +3534,7 @@ static int yaffs_ReadChunkDataFromObject + + } + +-void yaffs_DeleteChunk(yaffs_Device * dev, int chunkId, int markNAND, int lyn) ++void yaffs_DeleteChunk(yaffs_Device *dev, int chunkId, int markNAND, int lyn) + { + int block; + int page; +@@ -3475,16 +3544,15 @@ void yaffs_DeleteChunk(yaffs_Device * de + if (chunkId <= 0) + return; + +- + dev->nDeletions++; + block = chunkId / dev->nChunksPerBlock; + page = chunkId % dev->nChunksPerBlock; + + +- if(!yaffs_CheckChunkBit(dev,block,page)) ++ if (!yaffs_CheckChunkBit(dev, block, page)) + T(YAFFS_TRACE_VERIFY, +- (TSTR("Deleting invalid chunk %d"TENDSTR), +- chunkId)); ++ (TSTR("Deleting invalid chunk %d"TENDSTR), ++ chunkId)); + + bi = yaffs_GetBlockInfo(dev, block); + +@@ -3524,14 +3592,12 @@ void yaffs_DeleteChunk(yaffs_Device * de + yaffs_BlockBecameDirty(dev, block); + } + +- } else { +- /* T(("Bad news deleting chunk %d\n",chunkId)); */ + } + + } + +-static int yaffs_WriteChunkDataToObject(yaffs_Object * in, int chunkInInode, +- const __u8 * buffer, int nBytes, ++static int yaffs_WriteChunkDataToObject(yaffs_Object *in, int chunkInInode, ++ const __u8 *buffer, int nBytes, + int useReserve) + { + /* Find old chunk Need to do this to get serial number +@@ -3561,6 +3627,12 @@ static int yaffs_WriteChunkDataToObject( + (prevChunkId >= 0) ? prevTags.serialNumber + 1 : 1; + newTags.byteCount = nBytes; + ++ if (nBytes < 1 || nBytes > dev->totalBytesPerChunk) { ++ T(YAFFS_TRACE_ERROR, ++ (TSTR("Writing %d bytes to chunk!!!!!!!!!" TENDSTR), nBytes)); ++ YBUG(); ++ } ++ + newChunkId = + yaffs_WriteNewChunkWithTagsToNAND(dev, buffer, &newTags, + useReserve); +@@ -3568,11 +3640,9 @@ static int yaffs_WriteChunkDataToObject( + if (newChunkId >= 0) { + yaffs_PutChunkIntoFile(in, chunkInInode, newChunkId, 0); + +- if (prevChunkId >= 0) { ++ if (prevChunkId >= 0) + yaffs_DeleteChunk(dev, prevChunkId, 1, __LINE__); + +- } +- + yaffs_CheckFileSanity(in); + } + return newChunkId; +@@ -3582,7 +3652,7 @@ static int yaffs_WriteChunkDataToObject( + /* UpdateObjectHeader updates the header on NAND for an object. + * If name is not NULL, then that new name is used. + */ +-int yaffs_UpdateObjectHeader(yaffs_Object * in, const YCHAR * name, int force, ++int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name, int force, + int isShrink, int shadows) + { + +@@ -3603,9 +3673,12 @@ int yaffs_UpdateObjectHeader(yaffs_Objec + + yaffs_ObjectHeader *oh = NULL; + +- yaffs_strcpy(oldName,"silly old name"); ++ yaffs_strcpy(oldName, _Y("silly old name")); + +- if (!in->fake || force) { ++ ++ if (!in->fake || ++ in == dev->rootDir || /* The rootDir should also be saved */ ++ force) { + + yaffs_CheckGarbageCollection(dev); + yaffs_CheckObjectDetailsLoaded(in); +@@ -3613,13 +3686,13 @@ int yaffs_UpdateObjectHeader(yaffs_Objec + buffer = yaffs_GetTempBuffer(in->myDev, __LINE__); + oh = (yaffs_ObjectHeader *) buffer; + +- prevChunkId = in->chunkId; ++ prevChunkId = in->hdrChunk; + +- if (prevChunkId >= 0) { ++ if (prevChunkId > 0) { + result = yaffs_ReadChunkWithTagsFromNAND(dev, prevChunkId, + buffer, &oldTags); + +- yaffs_VerifyObjectHeader(in,oh,&oldTags,0); ++ yaffs_VerifyObjectHeader(in, oh, &oldTags, 0); + + memcpy(oldName, oh->name, sizeof(oh->name)); + } +@@ -3628,7 +3701,7 @@ int yaffs_UpdateObjectHeader(yaffs_Objec + + oh->type = in->variantType; + oh->yst_mode = in->yst_mode; +- oh->shadowsObject = shadows; ++ oh->shadowsObject = oh->inbandShadowsObject = shadows; + + #ifdef CONFIG_YAFFS_WINCE + oh->win_atime[0] = in->win_atime[0]; +@@ -3645,20 +3718,18 @@ int yaffs_UpdateObjectHeader(yaffs_Objec + oh->yst_ctime = in->yst_ctime; + oh->yst_rdev = in->yst_rdev; + #endif +- if (in->parent) { ++ if (in->parent) + oh->parentObjectId = in->parent->objectId; +- } else { ++ else + oh->parentObjectId = 0; +- } + + if (name && *name) { + memset(oh->name, 0, sizeof(oh->name)); + yaffs_strncpy(oh->name, name, YAFFS_MAX_NAME_LENGTH); +- } else if (prevChunkId>=0) { ++ } else if (prevChunkId >= 0) + memcpy(oh->name, oldName, sizeof(oh->name)); +- } else { ++ else + memset(oh->name, 0, sizeof(oh->name)); +- } + + oh->isShrink = isShrink; + +@@ -3708,7 +3779,7 @@ int yaffs_UpdateObjectHeader(yaffs_Objec + newTags.extraShadows = (oh->shadowsObject > 0) ? 1 : 0; + newTags.extraObjectType = in->variantType; + +- yaffs_VerifyObjectHeader(in,oh,&newTags,1); ++ yaffs_VerifyObjectHeader(in, oh, &newTags, 1); + + /* Create new chunk in NAND */ + newChunkId = +@@ -3717,20 +3788,20 @@ int yaffs_UpdateObjectHeader(yaffs_Objec + + if (newChunkId >= 0) { + +- in->chunkId = newChunkId; ++ in->hdrChunk = newChunkId; + + if (prevChunkId >= 0) { + yaffs_DeleteChunk(dev, prevChunkId, 1, + __LINE__); + } + +- if(!yaffs_ObjectHasCachedWriteData(in)) ++ if (!yaffs_ObjectHasCachedWriteData(in)) + in->dirty = 0; + + /* If this was a shrink, then mark the block that the chunk lives on */ + if (isShrink) { + bi = yaffs_GetBlockInfo(in->myDev, +- newChunkId /in->myDev-> nChunksPerBlock); ++ newChunkId / in->myDev->nChunksPerBlock); + bi->hasShrinkHeader = 1; + } + +@@ -3766,7 +3837,7 @@ static int yaffs_ObjectHasCachedWriteDat + yaffs_ChunkCache *cache; + int nCaches = obj->myDev->nShortOpCaches; + +- for(i = 0; i < nCaches; i++){ ++ for (i = 0; i < nCaches; i++) { + cache = &dev->srCache[i]; + if (cache->object == obj && + cache->dirty) +@@ -3777,7 +3848,7 @@ static int yaffs_ObjectHasCachedWriteDat + } + + +-static void yaffs_FlushFilesChunkCache(yaffs_Object * obj) ++static void yaffs_FlushFilesChunkCache(yaffs_Object *obj) + { + yaffs_Device *dev = obj->myDev; + int lowest = -99; /* Stop compiler whining. */ +@@ -3844,16 +3915,16 @@ void yaffs_FlushEntireDeviceCache(yaffs_ + */ + do { + obj = NULL; +- for( i = 0; i < nCaches && !obj; i++) { ++ for (i = 0; i < nCaches && !obj; i++) { + if (dev->srCache[i].object && + dev->srCache[i].dirty) + obj = dev->srCache[i].object; + + } +- if(obj) ++ if (obj) + yaffs_FlushFilesChunkCache(obj); + +- } while(obj); ++ } while (obj); + + } + +@@ -3863,41 +3934,21 @@ void yaffs_FlushEntireDeviceCache(yaffs_ + * Then look for the least recently used non-dirty one. + * Then look for the least recently used dirty one...., flush and look again. + */ +-static yaffs_ChunkCache *yaffs_GrabChunkCacheWorker(yaffs_Device * dev) ++static yaffs_ChunkCache *yaffs_GrabChunkCacheWorker(yaffs_Device *dev) + { + int i; +- int usage; +- int theOne; + + if (dev->nShortOpCaches > 0) { + for (i = 0; i < dev->nShortOpCaches; i++) { + if (!dev->srCache[i].object) + return &dev->srCache[i]; + } ++ } + +- return NULL; ++ return NULL; ++} + +- theOne = -1; +- usage = 0; /* just to stop the compiler grizzling */ +- +- for (i = 0; i < dev->nShortOpCaches; i++) { +- if (!dev->srCache[i].dirty && +- ((dev->srCache[i].lastUse < usage && theOne >= 0) || +- theOne < 0)) { +- usage = dev->srCache[i].lastUse; +- theOne = i; +- } +- } +- +- +- return theOne >= 0 ? &dev->srCache[theOne] : NULL; +- } else { +- return NULL; +- } +- +-} +- +-static yaffs_ChunkCache *yaffs_GrabChunkCache(yaffs_Device * dev) ++static yaffs_ChunkCache *yaffs_GrabChunkCache(yaffs_Device *dev) + { + yaffs_ChunkCache *cache; + yaffs_Object *theObj; +@@ -3927,8 +3978,7 @@ static yaffs_ChunkCache *yaffs_GrabChunk + for (i = 0; i < dev->nShortOpCaches; i++) { + if (dev->srCache[i].object && + !dev->srCache[i].locked && +- (dev->srCache[i].lastUse < usage || !cache)) +- { ++ (dev->srCache[i].lastUse < usage || !cache)) { + usage = dev->srCache[i].lastUse; + theObj = dev->srCache[i].object; + cache = &dev->srCache[i]; +@@ -3950,7 +4000,7 @@ static yaffs_ChunkCache *yaffs_GrabChunk + } + + /* Find a cached chunk */ +-static yaffs_ChunkCache *yaffs_FindChunkCache(const yaffs_Object * obj, ++static yaffs_ChunkCache *yaffs_FindChunkCache(const yaffs_Object *obj, + int chunkId) + { + yaffs_Device *dev = obj->myDev; +@@ -3969,7 +4019,7 @@ static yaffs_ChunkCache *yaffs_FindChunk + } + + /* Mark the chunk for the least recently used algorithym */ +-static void yaffs_UseChunkCache(yaffs_Device * dev, yaffs_ChunkCache * cache, ++static void yaffs_UseChunkCache(yaffs_Device *dev, yaffs_ChunkCache *cache, + int isAWrite) + { + +@@ -3977,9 +4027,9 @@ static void yaffs_UseChunkCache(yaffs_De + if (dev->srLastUse < 0 || dev->srLastUse > 100000000) { + /* Reset the cache usages */ + int i; +- for (i = 1; i < dev->nShortOpCaches; i++) { ++ for (i = 1; i < dev->nShortOpCaches; i++) + dev->srCache[i].lastUse = 0; +- } ++ + dev->srLastUse = 0; + } + +@@ -3987,9 +4037,8 @@ static void yaffs_UseChunkCache(yaffs_De + + cache->lastUse = dev->srLastUse; + +- if (isAWrite) { ++ if (isAWrite) + cache->dirty = 1; +- } + } + } + +@@ -3997,21 +4046,20 @@ static void yaffs_UseChunkCache(yaffs_De + * Do this when a whole page gets written, + * ie the short cache for this page is no longer valid. + */ +-static void yaffs_InvalidateChunkCache(yaffs_Object * object, int chunkId) ++static void yaffs_InvalidateChunkCache(yaffs_Object *object, int chunkId) + { + if (object->myDev->nShortOpCaches > 0) { + yaffs_ChunkCache *cache = yaffs_FindChunkCache(object, chunkId); + +- if (cache) { ++ if (cache) + cache->object = NULL; +- } + } + } + + /* Invalidate all the cache pages associated with this object + * Do this whenever ther file is deleted or resized. + */ +-static void yaffs_InvalidateWholeChunkCache(yaffs_Object * in) ++static void yaffs_InvalidateWholeChunkCache(yaffs_Object *in) + { + int i; + yaffs_Device *dev = in->myDev; +@@ -4019,9 +4067,8 @@ static void yaffs_InvalidateWholeChunkCa + if (dev->nShortOpCaches > 0) { + /* Invalidate it. */ + for (i = 0; i < dev->nShortOpCaches; i++) { +- if (dev->srCache[i].object == in) { ++ if (dev->srCache[i].object == in) + dev->srCache[i].object = NULL; +- } + } + } + } +@@ -4029,18 +4076,18 @@ static void yaffs_InvalidateWholeChunkCa + /*--------------------- Checkpointing --------------------*/ + + +-static int yaffs_WriteCheckpointValidityMarker(yaffs_Device *dev,int head) ++static int yaffs_WriteCheckpointValidityMarker(yaffs_Device *dev, int head) + { + yaffs_CheckpointValidity cp; + +- memset(&cp,0,sizeof(cp)); ++ memset(&cp, 0, sizeof(cp)); + + cp.structType = sizeof(cp); + cp.magic = YAFFS_MAGIC; + cp.version = YAFFS_CHECKPOINT_VERSION; + cp.head = (head) ? 1 : 0; + +- return (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp))? ++ return (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp)) ? + 1 : 0; + } + +@@ -4049,9 +4096,9 @@ static int yaffs_ReadCheckpointValidityM + yaffs_CheckpointValidity cp; + int ok; + +- ok = (yaffs_CheckpointRead(dev,&cp,sizeof(cp)) == sizeof(cp)); ++ ok = (yaffs_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp)); + +- if(ok) ++ if (ok) + ok = (cp.structType == sizeof(cp)) && + (cp.magic == YAFFS_MAGIC) && + (cp.version == YAFFS_CHECKPOINT_VERSION) && +@@ -4100,21 +4147,21 @@ static int yaffs_WriteCheckpointDevice(y + int ok; + + /* Write device runtime values*/ +- yaffs_DeviceToCheckpointDevice(&cp,dev); ++ yaffs_DeviceToCheckpointDevice(&cp, dev); + cp.structType = sizeof(cp); + +- ok = (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp)); ++ ok = (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp)); + + /* Write block info */ +- if(ok) { ++ if (ok) { + nBytes = nBlocks * sizeof(yaffs_BlockInfo); +- ok = (yaffs_CheckpointWrite(dev,dev->blockInfo,nBytes) == nBytes); ++ ok = (yaffs_CheckpointWrite(dev, dev->blockInfo, nBytes) == nBytes); + } + + /* Write chunk bits */ +- if(ok) { ++ if (ok) { + nBytes = nBlocks * dev->chunkBitmapStride; +- ok = (yaffs_CheckpointWrite(dev,dev->chunkBits,nBytes) == nBytes); ++ ok = (yaffs_CheckpointWrite(dev, dev->chunkBits, nBytes) == nBytes); + } + return ok ? 1 : 0; + +@@ -4128,25 +4175,25 @@ static int yaffs_ReadCheckpointDevice(ya + + int ok; + +- ok = (yaffs_CheckpointRead(dev,&cp,sizeof(cp)) == sizeof(cp)); +- if(!ok) ++ ok = (yaffs_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp)); ++ if (!ok) + return 0; + +- if(cp.structType != sizeof(cp)) ++ if (cp.structType != sizeof(cp)) + return 0; + + +- yaffs_CheckpointDeviceToDevice(dev,&cp); ++ yaffs_CheckpointDeviceToDevice(dev, &cp); + + nBytes = nBlocks * sizeof(yaffs_BlockInfo); + +- ok = (yaffs_CheckpointRead(dev,dev->blockInfo,nBytes) == nBytes); ++ ok = (yaffs_CheckpointRead(dev, dev->blockInfo, nBytes) == nBytes); + +- if(!ok) ++ if (!ok) + return 0; + nBytes = nBlocks * dev->chunkBitmapStride; + +- ok = (yaffs_CheckpointRead(dev,dev->chunkBits,nBytes) == nBytes); ++ ok = (yaffs_CheckpointRead(dev, dev->chunkBits, nBytes) == nBytes); + + return ok ? 1 : 0; + } +@@ -4157,7 +4204,7 @@ static void yaffs_ObjectToCheckpointObje + + cp->objectId = obj->objectId; + cp->parentId = (obj->parent) ? obj->parent->objectId : 0; +- cp->chunkId = obj->chunkId; ++ cp->hdrChunk = obj->hdrChunk; + cp->variantType = obj->variantType; + cp->deleted = obj->deleted; + cp->softDeleted = obj->softDeleted; +@@ -4168,20 +4215,28 @@ static void yaffs_ObjectToCheckpointObje + cp->serial = obj->serial; + cp->nDataChunks = obj->nDataChunks; + +- if(obj->variantType == YAFFS_OBJECT_TYPE_FILE) ++ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) + cp->fileSizeOrEquivalentObjectId = obj->variant.fileVariant.fileSize; +- else if(obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) ++ else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) + cp->fileSizeOrEquivalentObjectId = obj->variant.hardLinkVariant.equivalentObjectId; + } + +-static void yaffs_CheckpointObjectToObject( yaffs_Object *obj,yaffs_CheckpointObject *cp) ++static int yaffs_CheckpointObjectToObject(yaffs_Object *obj, yaffs_CheckpointObject *cp) + { + + yaffs_Object *parent; + ++ if (obj->variantType != cp->variantType) { ++ T(YAFFS_TRACE_ERROR, (TSTR("Checkpoint read object %d type %d " ++ TCONT("chunk %d does not match existing object type %d") ++ TENDSTR), cp->objectId, cp->variantType, cp->hdrChunk, ++ obj->variantType)); ++ return 0; ++ } ++ + obj->objectId = cp->objectId; + +- if(cp->parentId) ++ if (cp->parentId) + parent = yaffs_FindOrCreateObjectByNumber( + obj->myDev, + cp->parentId, +@@ -4189,10 +4244,19 @@ static void yaffs_CheckpointObjectToObje + else + parent = NULL; + +- if(parent) ++ if (parent) { ++ if (parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) { ++ T(YAFFS_TRACE_ALWAYS, (TSTR("Checkpoint read object %d parent %d type %d" ++ TCONT(" chunk %d Parent type, %d, not directory") ++ TENDSTR), ++ cp->objectId, cp->parentId, cp->variantType, ++ cp->hdrChunk, parent->variantType)); ++ return 0; ++ } + yaffs_AddObjectToDirectory(parent, obj); ++ } + +- obj->chunkId = cp->chunkId; ++ obj->hdrChunk = cp->hdrChunk; + obj->variantType = cp->variantType; + obj->deleted = cp->deleted; + obj->softDeleted = cp->softDeleted; +@@ -4203,29 +4267,34 @@ static void yaffs_CheckpointObjectToObje + obj->serial = cp->serial; + obj->nDataChunks = cp->nDataChunks; + +- if(obj->variantType == YAFFS_OBJECT_TYPE_FILE) ++ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) + obj->variant.fileVariant.fileSize = cp->fileSizeOrEquivalentObjectId; +- else if(obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) ++ else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) + obj->variant.hardLinkVariant.equivalentObjectId = cp->fileSizeOrEquivalentObjectId; + +- if(obj->objectId >= YAFFS_NOBJECT_BUCKETS) ++ if (obj->hdrChunk > 0) + obj->lazyLoaded = 1; ++ return 1; + } + + + +-static int yaffs_CheckpointTnodeWorker(yaffs_Object * in, yaffs_Tnode * tn, +- __u32 level, int chunkOffset) ++static int yaffs_CheckpointTnodeWorker(yaffs_Object *in, yaffs_Tnode *tn, ++ __u32 level, int chunkOffset) + { + int i; + yaffs_Device *dev = in->myDev; + int ok = 1; +- int nTnodeBytes = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8; ++ int tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8; ++ ++ if (tnodeSize < sizeof(yaffs_Tnode)) ++ tnodeSize = sizeof(yaffs_Tnode); ++ + + if (tn) { + if (level > 0) { + +- for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++){ ++ for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++) { + if (tn->internal[i]) { + ok = yaffs_CheckpointTnodeWorker(in, + tn->internal[i], +@@ -4235,10 +4304,9 @@ static int yaffs_CheckpointTnodeWorker(y + } + } else if (level == 0) { + __u32 baseOffset = chunkOffset << YAFFS_TNODES_LEVEL0_BITS; +- /* printf("write tnode at %d\n",baseOffset); */ +- ok = (yaffs_CheckpointWrite(dev,&baseOffset,sizeof(baseOffset)) == sizeof(baseOffset)); +- if(ok) +- ok = (yaffs_CheckpointWrite(dev,tn,nTnodeBytes) == nTnodeBytes); ++ ok = (yaffs_CheckpointWrite(dev, &baseOffset, sizeof(baseOffset)) == sizeof(baseOffset)); ++ if (ok) ++ ok = (yaffs_CheckpointWrite(dev, tn, tnodeSize) == tnodeSize); + } + } + +@@ -4251,13 +4319,13 @@ static int yaffs_WriteCheckpointTnodes(y + __u32 endMarker = ~0; + int ok = 1; + +- if(obj->variantType == YAFFS_OBJECT_TYPE_FILE){ ++ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) { + ok = yaffs_CheckpointTnodeWorker(obj, + obj->variant.fileVariant.top, + obj->variant.fileVariant.topLevel, + 0); +- if(ok) +- ok = (yaffs_CheckpointWrite(obj->myDev,&endMarker,sizeof(endMarker)) == ++ if (ok) ++ ok = (yaffs_CheckpointWrite(obj->myDev, &endMarker, sizeof(endMarker)) == + sizeof(endMarker)); + } + +@@ -4272,38 +4340,38 @@ static int yaffs_ReadCheckpointTnodes(ya + yaffs_FileStructure *fileStructPtr = &obj->variant.fileVariant; + yaffs_Tnode *tn; + int nread = 0; ++ int tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8; + +- ok = (yaffs_CheckpointRead(dev,&baseChunk,sizeof(baseChunk)) == sizeof(baseChunk)); ++ if (tnodeSize < sizeof(yaffs_Tnode)) ++ tnodeSize = sizeof(yaffs_Tnode); + +- while(ok && (~baseChunk)){ ++ ok = (yaffs_CheckpointRead(dev, &baseChunk, sizeof(baseChunk)) == sizeof(baseChunk)); ++ ++ while (ok && (~baseChunk)) { + nread++; + /* Read level 0 tnode */ + + +- /* printf("read tnode at %d\n",baseChunk); */ + tn = yaffs_GetTnodeRaw(dev); +- if(tn) +- ok = (yaffs_CheckpointRead(dev,tn,(dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8) == +- (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8); ++ if (tn) ++ ok = (yaffs_CheckpointRead(dev, tn, tnodeSize) == tnodeSize); + else + ok = 0; + +- if(tn && ok){ ++ if (tn && ok) + ok = yaffs_AddOrFindLevel0Tnode(dev, +- fileStructPtr, +- baseChunk, +- tn) ? 1 : 0; ++ fileStructPtr, ++ baseChunk, ++ tn) ? 1 : 0; + +- } +- +- if(ok) +- ok = (yaffs_CheckpointRead(dev,&baseChunk,sizeof(baseChunk)) == sizeof(baseChunk)); ++ if (ok) ++ ok = (yaffs_CheckpointRead(dev, &baseChunk, sizeof(baseChunk)) == sizeof(baseChunk)); + + } + +- T(YAFFS_TRACE_CHECKPOINT,( ++ T(YAFFS_TRACE_CHECKPOINT, ( + TSTR("Checkpoint read tnodes %d records, last %d. ok %d" TENDSTR), +- nread,baseChunk,ok)); ++ nread, baseChunk, ok)); + + return ok ? 1 : 0; + } +@@ -4315,41 +4383,40 @@ static int yaffs_WriteCheckpointObjects( + yaffs_CheckpointObject cp; + int i; + int ok = 1; +- struct list_head *lh; ++ struct ylist_head *lh; + + + /* Iterate through the objects in each hash entry, + * dumping them to the checkpointing stream. + */ + +- for(i = 0; ok && i < YAFFS_NOBJECT_BUCKETS; i++){ +- list_for_each(lh, &dev->objectBucket[i].list) { ++ for (i = 0; ok && i < YAFFS_NOBJECT_BUCKETS; i++) { ++ ylist_for_each(lh, &dev->objectBucket[i].list) { + if (lh) { +- obj = list_entry(lh, yaffs_Object, hashLink); ++ obj = ylist_entry(lh, yaffs_Object, hashLink); + if (!obj->deferedFree) { +- yaffs_ObjectToCheckpointObject(&cp,obj); ++ yaffs_ObjectToCheckpointObject(&cp, obj); + cp.structType = sizeof(cp); + +- T(YAFFS_TRACE_CHECKPOINT,( ++ T(YAFFS_TRACE_CHECKPOINT, ( + TSTR("Checkpoint write object %d parent %d type %d chunk %d obj addr %x" TENDSTR), +- cp.objectId,cp.parentId,cp.variantType,cp.chunkId,(unsigned) obj)); ++ cp.objectId, cp.parentId, cp.variantType, cp.hdrChunk, (unsigned) obj)); + +- ok = (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp)); ++ ok = (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp)); + +- if(ok && obj->variantType == YAFFS_OBJECT_TYPE_FILE){ ++ if (ok && obj->variantType == YAFFS_OBJECT_TYPE_FILE) + ok = yaffs_WriteCheckpointTnodes(obj); +- } + } + } + } +- } ++ } + +- /* Dump end of list */ +- memset(&cp,0xFF,sizeof(yaffs_CheckpointObject)); ++ /* Dump end of list */ ++ memset(&cp, 0xFF, sizeof(yaffs_CheckpointObject)); + cp.structType = sizeof(cp); + +- if(ok) +- ok = (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp)); ++ if (ok) ++ ok = (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp)); + + return ok ? 1 : 0; + } +@@ -4362,38 +4429,39 @@ static int yaffs_ReadCheckpointObjects(y + int done = 0; + yaffs_Object *hardList = NULL; + +- while(ok && !done) { +- ok = (yaffs_CheckpointRead(dev,&cp,sizeof(cp)) == sizeof(cp)); +- if(cp.structType != sizeof(cp)) { +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("struct size %d instead of %d ok %d"TENDSTR), +- cp.structType,sizeof(cp),ok)); ++ while (ok && !done) { ++ ok = (yaffs_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp)); ++ if (cp.structType != sizeof(cp)) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("struct size %d instead of %d ok %d"TENDSTR), ++ cp.structType, sizeof(cp), ok)); + ok = 0; + } + +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("Checkpoint read object %d parent %d type %d chunk %d " TENDSTR), +- cp.objectId,cp.parentId,cp.variantType,cp.chunkId)); ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("Checkpoint read object %d parent %d type %d chunk %d " TENDSTR), ++ cp.objectId, cp.parentId, cp.variantType, cp.hdrChunk)); + +- if(ok && cp.objectId == ~0) ++ if (ok && cp.objectId == ~0) + done = 1; +- else if(ok){ +- obj = yaffs_FindOrCreateObjectByNumber(dev,cp.objectId, cp.variantType); +- if(obj) { +- yaffs_CheckpointObjectToObject(obj,&cp); +- if(obj->variantType == YAFFS_OBJECT_TYPE_FILE) { ++ else if (ok) { ++ obj = yaffs_FindOrCreateObjectByNumber(dev, cp.objectId, cp.variantType); ++ if (obj) { ++ ok = yaffs_CheckpointObjectToObject(obj, &cp); ++ if (!ok) ++ break; ++ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) { + ok = yaffs_ReadCheckpointTnodes(obj); +- } else if(obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) { ++ } else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) { + obj->hardLinks.next = +- (struct list_head *) +- hardList; ++ (struct ylist_head *) hardList; + hardList = obj; + } +- +- } ++ } else ++ ok = 0; + } + } + +- if(ok) +- yaffs_HardlinkFixup(dev,hardList); ++ if (ok) ++ yaffs_HardlinkFixup(dev, hardList); + + return ok ? 1 : 0; + } +@@ -4403,11 +4471,11 @@ static int yaffs_WriteCheckpointSum(yaff + __u32 checkpointSum; + int ok; + +- yaffs_GetCheckpointSum(dev,&checkpointSum); ++ yaffs_GetCheckpointSum(dev, &checkpointSum); + +- ok = (yaffs_CheckpointWrite(dev,&checkpointSum,sizeof(checkpointSum)) == sizeof(checkpointSum)); ++ ok = (yaffs_CheckpointWrite(dev, &checkpointSum, sizeof(checkpointSum)) == sizeof(checkpointSum)); + +- if(!ok) ++ if (!ok) + return 0; + + return 1; +@@ -4419,14 +4487,14 @@ static int yaffs_ReadCheckpointSum(yaffs + __u32 checkpointSum1; + int ok; + +- yaffs_GetCheckpointSum(dev,&checkpointSum0); ++ yaffs_GetCheckpointSum(dev, &checkpointSum0); + +- ok = (yaffs_CheckpointRead(dev,&checkpointSum1,sizeof(checkpointSum1)) == sizeof(checkpointSum1)); ++ ok = (yaffs_CheckpointRead(dev, &checkpointSum1, sizeof(checkpointSum1)) == sizeof(checkpointSum1)); + +- if(!ok) ++ if (!ok) + return 0; + +- if(checkpointSum0 != checkpointSum1) ++ if (checkpointSum0 != checkpointSum1) + return 0; + + return 1; +@@ -4435,46 +4503,43 @@ static int yaffs_ReadCheckpointSum(yaffs + + static int yaffs_WriteCheckpointData(yaffs_Device *dev) + { +- + int ok = 1; + +- if(dev->skipCheckpointWrite || !dev->isYaffs2){ +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("skipping checkpoint write" TENDSTR))); ++ if (dev->skipCheckpointWrite || !dev->isYaffs2) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("skipping checkpoint write" TENDSTR))); + ok = 0; + } + +- if(ok) +- ok = yaffs_CheckpointOpen(dev,1); ++ if (ok) ++ ok = yaffs_CheckpointOpen(dev, 1); + +- if(ok){ +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint validity" TENDSTR))); +- ok = yaffs_WriteCheckpointValidityMarker(dev,1); ++ if (ok) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint validity" TENDSTR))); ++ ok = yaffs_WriteCheckpointValidityMarker(dev, 1); + } +- if(ok){ +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint device" TENDSTR))); ++ if (ok) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint device" TENDSTR))); + ok = yaffs_WriteCheckpointDevice(dev); + } +- if(ok){ +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint objects" TENDSTR))); ++ if (ok) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint objects" TENDSTR))); + ok = yaffs_WriteCheckpointObjects(dev); + } +- if(ok){ +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint validity" TENDSTR))); +- ok = yaffs_WriteCheckpointValidityMarker(dev,0); ++ if (ok) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint validity" TENDSTR))); ++ ok = yaffs_WriteCheckpointValidityMarker(dev, 0); + } + +- if(ok){ ++ if (ok) + ok = yaffs_WriteCheckpointSum(dev); +- } +- + +- if(!yaffs_CheckpointClose(dev)) +- ok = 0; ++ if (!yaffs_CheckpointClose(dev)) ++ ok = 0; + +- if(ok) +- dev->isCheckpointed = 1; +- else +- dev->isCheckpointed = 0; ++ if (ok) ++ dev->isCheckpointed = 1; ++ else ++ dev->isCheckpointed = 0; + + return dev->isCheckpointed; + } +@@ -4483,43 +4548,43 @@ static int yaffs_ReadCheckpointData(yaff + { + int ok = 1; + +- if(dev->skipCheckpointRead || !dev->isYaffs2){ +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("skipping checkpoint read" TENDSTR))); ++ if (dev->skipCheckpointRead || !dev->isYaffs2) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("skipping checkpoint read" TENDSTR))); + ok = 0; + } + +- if(ok) +- ok = yaffs_CheckpointOpen(dev,0); /* open for read */ ++ if (ok) ++ ok = yaffs_CheckpointOpen(dev, 0); /* open for read */ + +- if(ok){ +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint validity" TENDSTR))); +- ok = yaffs_ReadCheckpointValidityMarker(dev,1); ++ if (ok) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint validity" TENDSTR))); ++ ok = yaffs_ReadCheckpointValidityMarker(dev, 1); + } +- if(ok){ +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint device" TENDSTR))); ++ if (ok) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint device" TENDSTR))); + ok = yaffs_ReadCheckpointDevice(dev); + } +- if(ok){ +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint objects" TENDSTR))); ++ if (ok) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint objects" TENDSTR))); + ok = yaffs_ReadCheckpointObjects(dev); + } +- if(ok){ +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint validity" TENDSTR))); +- ok = yaffs_ReadCheckpointValidityMarker(dev,0); ++ if (ok) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint validity" TENDSTR))); ++ ok = yaffs_ReadCheckpointValidityMarker(dev, 0); + } + +- if(ok){ ++ if (ok) { + ok = yaffs_ReadCheckpointSum(dev); +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint checksum %d" TENDSTR),ok)); ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint checksum %d" TENDSTR), ok)); + } + +- if(!yaffs_CheckpointClose(dev)) ++ if (!yaffs_CheckpointClose(dev)) + ok = 0; + +- if(ok) +- dev->isCheckpointed = 1; +- else +- dev->isCheckpointed = 0; ++ if (ok) ++ dev->isCheckpointed = 1; ++ else ++ dev->isCheckpointed = 0; + + return ok ? 1 : 0; + +@@ -4527,11 +4592,11 @@ static int yaffs_ReadCheckpointData(yaff + + static void yaffs_InvalidateCheckpoint(yaffs_Device *dev) + { +- if(dev->isCheckpointed || +- dev->blocksInCheckpoint > 0){ ++ if (dev->isCheckpointed || ++ dev->blocksInCheckpoint > 0) { + dev->isCheckpointed = 0; + yaffs_CheckpointInvalidateStream(dev); +- if(dev->superBlock && dev->markSuperBlockDirty) ++ if (dev->superBlock && dev->markSuperBlockDirty) + dev->markSuperBlockDirty(dev->superBlock); + } + } +@@ -4540,18 +4605,18 @@ static void yaffs_InvalidateCheckpoint(y + int yaffs_CheckpointSave(yaffs_Device *dev) + { + +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("save entry: isCheckpointed %d"TENDSTR),dev->isCheckpointed)); ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("save entry: isCheckpointed %d"TENDSTR), dev->isCheckpointed)); + + yaffs_VerifyObjects(dev); + yaffs_VerifyBlocks(dev); + yaffs_VerifyFreeChunks(dev); + +- if(!dev->isCheckpointed) { ++ if (!dev->isCheckpointed) { + yaffs_InvalidateCheckpoint(dev); + yaffs_WriteCheckpointData(dev); + } + +- T(YAFFS_TRACE_ALWAYS,(TSTR("save exit: isCheckpointed %d"TENDSTR),dev->isCheckpointed)); ++ T(YAFFS_TRACE_ALWAYS, (TSTR("save exit: isCheckpointed %d"TENDSTR), dev->isCheckpointed)); + + return dev->isCheckpointed; + } +@@ -4559,17 +4624,17 @@ int yaffs_CheckpointSave(yaffs_Device *d + int yaffs_CheckpointRestore(yaffs_Device *dev) + { + int retval; +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("restore entry: isCheckpointed %d"TENDSTR),dev->isCheckpointed)); ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("restore entry: isCheckpointed %d"TENDSTR), dev->isCheckpointed)); + + retval = yaffs_ReadCheckpointData(dev); + +- if(dev->isCheckpointed){ ++ if (dev->isCheckpointed) { + yaffs_VerifyObjects(dev); + yaffs_VerifyBlocks(dev); + yaffs_VerifyFreeChunks(dev); + } + +- T(YAFFS_TRACE_CHECKPOINT,(TSTR("restore exit: isCheckpointed %d"TENDSTR),dev->isCheckpointed)); ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("restore exit: isCheckpointed %d"TENDSTR), dev->isCheckpointed)); + + return retval; + } +@@ -4584,12 +4649,12 @@ int yaffs_CheckpointRestore(yaffs_Device + * Curve-balls: the first chunk might also be the last chunk. + */ + +-int yaffs_ReadDataFromFile(yaffs_Object * in, __u8 * buffer, loff_t offset, +- int nBytes) ++int yaffs_ReadDataFromFile(yaffs_Object *in, __u8 *buffer, loff_t offset, ++ int nBytes) + { + + int chunk; +- int start; ++ __u32 start; + int nToCopy; + int n = nBytes; + int nDone = 0; +@@ -4600,27 +4665,26 @@ int yaffs_ReadDataFromFile(yaffs_Object + dev = in->myDev; + + while (n > 0) { +- //chunk = offset / dev->nDataBytesPerChunk + 1; +- //start = offset % dev->nDataBytesPerChunk; +- yaffs_AddrToChunk(dev,offset,&chunk,&start); ++ /* chunk = offset / dev->nDataBytesPerChunk + 1; */ ++ /* start = offset % dev->nDataBytesPerChunk; */ ++ yaffs_AddrToChunk(dev, offset, &chunk, &start); + chunk++; + + /* OK now check for the curveball where the start and end are in + * the same chunk. + */ +- if ((start + n) < dev->nDataBytesPerChunk) { ++ if ((start + n) < dev->nDataBytesPerChunk) + nToCopy = n; +- } else { ++ else + nToCopy = dev->nDataBytesPerChunk - start; +- } + + cache = yaffs_FindChunkCache(in, chunk); + + /* If the chunk is already in the cache or it is less than a whole chunk +- * then use the cache (if there is caching) ++ * or we're using inband tags then use the cache (if there is caching) + * else bypass the cache. + */ +- if (cache || nToCopy != dev->nDataBytesPerChunk) { ++ if (cache || nToCopy != dev->nDataBytesPerChunk || dev->inbandTags) { + if (dev->nShortOpCaches > 0) { + + /* If we can't find the data in the cache, then load it up. */ +@@ -4641,14 +4705,9 @@ int yaffs_ReadDataFromFile(yaffs_Object + + cache->locked = 1; + +-#ifdef CONFIG_YAFFS_WINCE +- yfsd_UnlockYAFFS(TRUE); +-#endif ++ + memcpy(buffer, &cache->data[start], nToCopy); + +-#ifdef CONFIG_YAFFS_WINCE +- yfsd_LockYAFFS(TRUE); +-#endif + cache->locked = 0; + } else { + /* Read into the local buffer then copy..*/ +@@ -4657,41 +4716,19 @@ int yaffs_ReadDataFromFile(yaffs_Object + yaffs_GetTempBuffer(dev, __LINE__); + yaffs_ReadChunkDataFromObject(in, chunk, + localBuffer); +-#ifdef CONFIG_YAFFS_WINCE +- yfsd_UnlockYAFFS(TRUE); +-#endif ++ + memcpy(buffer, &localBuffer[start], nToCopy); + +-#ifdef CONFIG_YAFFS_WINCE +- yfsd_LockYAFFS(TRUE); +-#endif ++ + yaffs_ReleaseTempBuffer(dev, localBuffer, + __LINE__); + } + + } else { +-#ifdef CONFIG_YAFFS_WINCE +- __u8 *localBuffer = yaffs_GetTempBuffer(dev, __LINE__); +- +- /* Under WinCE can't do direct transfer. Need to use a local buffer. +- * This is because we otherwise screw up WinCE's memory mapper +- */ +- yaffs_ReadChunkDataFromObject(in, chunk, localBuffer); +- +-#ifdef CONFIG_YAFFS_WINCE +- yfsd_UnlockYAFFS(TRUE); +-#endif +- memcpy(buffer, localBuffer, dev->nDataBytesPerChunk); + +-#ifdef CONFIG_YAFFS_WINCE +- yfsd_LockYAFFS(TRUE); +- yaffs_ReleaseTempBuffer(dev, localBuffer, __LINE__); +-#endif +- +-#else + /* A full chunk. Read directly into the supplied buffer. */ + yaffs_ReadChunkDataFromObject(in, chunk, buffer); +-#endif ++ + } + + n -= nToCopy; +@@ -4704,28 +4741,37 @@ int yaffs_ReadDataFromFile(yaffs_Object + return nDone; + } + +-int yaffs_WriteDataToFile(yaffs_Object * in, const __u8 * buffer, loff_t offset, +- int nBytes, int writeThrough) ++int yaffs_WriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset, ++ int nBytes, int writeThrough) + { + + int chunk; +- int start; ++ __u32 start; + int nToCopy; + int n = nBytes; + int nDone = 0; + int nToWriteBack; + int startOfWrite = offset; + int chunkWritten = 0; +- int nBytesRead; ++ __u32 nBytesRead; ++ __u32 chunkStart; + + yaffs_Device *dev; + + dev = in->myDev; + + while (n > 0 && chunkWritten >= 0) { +- //chunk = offset / dev->nDataBytesPerChunk + 1; +- //start = offset % dev->nDataBytesPerChunk; +- yaffs_AddrToChunk(dev,offset,&chunk,&start); ++ /* chunk = offset / dev->nDataBytesPerChunk + 1; */ ++ /* start = offset % dev->nDataBytesPerChunk; */ ++ yaffs_AddrToChunk(dev, offset, &chunk, &start); ++ ++ if (chunk * dev->nDataBytesPerChunk + start != offset || ++ start >= dev->nDataBytesPerChunk) { ++ T(YAFFS_TRACE_ERROR, ( ++ TSTR("AddrToChunk of offset %d gives chunk %d start %d" ++ TENDSTR), ++ (int)offset, chunk, start)); ++ } + chunk++; + + /* OK now check for the curveball where the start and end are in +@@ -4740,25 +4786,32 @@ int yaffs_WriteDataToFile(yaffs_Object * + * we need to write back as much as was there before. + */ + +- nBytesRead = +- in->variant.fileVariant.fileSize - +- ((chunk - 1) * dev->nDataBytesPerChunk); ++ chunkStart = ((chunk - 1) * dev->nDataBytesPerChunk); ++ ++ if (chunkStart > in->variant.fileVariant.fileSize) ++ nBytesRead = 0; /* Past end of file */ ++ else ++ nBytesRead = in->variant.fileVariant.fileSize - chunkStart; + +- if (nBytesRead > dev->nDataBytesPerChunk) { ++ if (nBytesRead > dev->nDataBytesPerChunk) + nBytesRead = dev->nDataBytesPerChunk; +- } + + nToWriteBack = + (nBytesRead > + (start + n)) ? nBytesRead : (start + n); + ++ if (nToWriteBack < 0 || nToWriteBack > dev->nDataBytesPerChunk) ++ YBUG(); ++ + } else { + nToCopy = dev->nDataBytesPerChunk - start; + nToWriteBack = dev->nDataBytesPerChunk; + } + +- if (nToCopy != dev->nDataBytesPerChunk) { +- /* An incomplete start or end chunk (or maybe both start and end chunk) */ ++ if (nToCopy != dev->nDataBytesPerChunk || dev->inbandTags) { ++ /* An incomplete start or end chunk (or maybe both start and end chunk), ++ * or we're using inband tags, so we want to use the cache buffers. ++ */ + if (dev->nShortOpCaches > 0) { + yaffs_ChunkCache *cache; + /* If we can't find the data in the cache, then load the cache */ +@@ -4775,10 +4828,9 @@ int yaffs_WriteDataToFile(yaffs_Object * + yaffs_ReadChunkDataFromObject(in, chunk, + cache-> + data); +- } +- else if(cache && +- !cache->dirty && +- !yaffs_CheckSpaceForAllocation(in->myDev)){ ++ } else if (cache && ++ !cache->dirty && ++ !yaffs_CheckSpaceForAllocation(in->myDev)) { + /* Drop the cache if it was a read cache item and + * no space check has been made for it. + */ +@@ -4788,16 +4840,12 @@ int yaffs_WriteDataToFile(yaffs_Object * + if (cache) { + yaffs_UseChunkCache(dev, cache, 1); + cache->locked = 1; +-#ifdef CONFIG_YAFFS_WINCE +- yfsd_UnlockYAFFS(TRUE); +-#endif ++ + + memcpy(&cache->data[start], buffer, + nToCopy); + +-#ifdef CONFIG_YAFFS_WINCE +- yfsd_LockYAFFS(TRUE); +-#endif ++ + cache->locked = 0; + cache->nBytes = nToWriteBack; + +@@ -4825,15 +4873,10 @@ int yaffs_WriteDataToFile(yaffs_Object * + yaffs_ReadChunkDataFromObject(in, chunk, + localBuffer); + +-#ifdef CONFIG_YAFFS_WINCE +- yfsd_UnlockYAFFS(TRUE); +-#endif ++ + + memcpy(&localBuffer[start], buffer, nToCopy); + +-#ifdef CONFIG_YAFFS_WINCE +- yfsd_LockYAFFS(TRUE); +-#endif + chunkWritten = + yaffs_WriteChunkDataToObject(in, chunk, + localBuffer, +@@ -4846,31 +4889,15 @@ int yaffs_WriteDataToFile(yaffs_Object * + } + + } else { +- +-#ifdef CONFIG_YAFFS_WINCE +- /* Under WinCE can't do direct transfer. Need to use a local buffer. +- * This is because we otherwise screw up WinCE's memory mapper +- */ +- __u8 *localBuffer = yaffs_GetTempBuffer(dev, __LINE__); +-#ifdef CONFIG_YAFFS_WINCE +- yfsd_UnlockYAFFS(TRUE); +-#endif +- memcpy(localBuffer, buffer, dev->nDataBytesPerChunk); +-#ifdef CONFIG_YAFFS_WINCE +- yfsd_LockYAFFS(TRUE); +-#endif +- chunkWritten = +- yaffs_WriteChunkDataToObject(in, chunk, localBuffer, +- dev->nDataBytesPerChunk, +- 0); +- yaffs_ReleaseTempBuffer(dev, localBuffer, __LINE__); +-#else + /* A full chunk. Write directly from the supplied buffer. */ ++ ++ ++ + chunkWritten = + yaffs_WriteChunkDataToObject(in, chunk, buffer, + dev->nDataBytesPerChunk, + 0); +-#endif ++ + /* Since we've overwritten the cached data, we better invalidate it. */ + yaffs_InvalidateChunkCache(in, chunk); + } +@@ -4886,9 +4913,8 @@ int yaffs_WriteDataToFile(yaffs_Object * + + /* Update file object */ + +- if ((startOfWrite + nDone) > in->variant.fileVariant.fileSize) { ++ if ((startOfWrite + nDone) > in->variant.fileVariant.fileSize) + in->variant.fileVariant.fileSize = (startOfWrite + nDone); +- } + + in->dirty = 1; + +@@ -4898,7 +4924,7 @@ int yaffs_WriteDataToFile(yaffs_Object * + + /* ---------------------- File resizing stuff ------------------ */ + +-static void yaffs_PruneResizedChunks(yaffs_Object * in, int newSize) ++static void yaffs_PruneResizedChunks(yaffs_Object *in, int newSize) + { + + yaffs_Device *dev = in->myDev; +@@ -4939,11 +4965,11 @@ static void yaffs_PruneResizedChunks(yaf + + } + +-int yaffs_ResizeFile(yaffs_Object * in, loff_t newSize) ++int yaffs_ResizeFile(yaffs_Object *in, loff_t newSize) + { + + int oldFileSize = in->variant.fileVariant.fileSize; +- int newSizeOfPartialChunk; ++ __u32 newSizeOfPartialChunk; + int newFullChunks; + + yaffs_Device *dev = in->myDev; +@@ -4955,13 +4981,11 @@ int yaffs_ResizeFile(yaffs_Object * in, + + yaffs_CheckGarbageCollection(dev); + +- if (in->variantType != YAFFS_OBJECT_TYPE_FILE) { +- return yaffs_GetFileSize(in); +- } ++ if (in->variantType != YAFFS_OBJECT_TYPE_FILE) ++ return YAFFS_FAIL; + +- if (newSize == oldFileSize) { +- return oldFileSize; +- } ++ if (newSize == oldFileSize) ++ return YAFFS_OK; + + if (newSize < oldFileSize) { + +@@ -4994,21 +5018,20 @@ int yaffs_ResizeFile(yaffs_Object * in, + } + + +- + /* Write a new object header. + * show we've shrunk the file, if need be + * Do this only if the file is not in the deleted directories. + */ +- if (in->parent->objectId != YAFFS_OBJECTID_UNLINKED && +- in->parent->objectId != YAFFS_OBJECTID_DELETED) { ++ if (in->parent && ++ in->parent->objectId != YAFFS_OBJECTID_UNLINKED && ++ in->parent->objectId != YAFFS_OBJECTID_DELETED) + yaffs_UpdateObjectHeader(in, NULL, 0, + (newSize < oldFileSize) ? 1 : 0, 0); +- } + +- return newSize; ++ return YAFFS_OK; + } + +-loff_t yaffs_GetFileSize(yaffs_Object * obj) ++loff_t yaffs_GetFileSize(yaffs_Object *obj) + { + obj = yaffs_GetEquivalentObject(obj); + +@@ -5024,7 +5047,7 @@ loff_t yaffs_GetFileSize(yaffs_Object * + + + +-int yaffs_FlushFile(yaffs_Object * in, int updateTime) ++int yaffs_FlushFile(yaffs_Object *in, int updateTime) + { + int retVal; + if (in->dirty) { +@@ -5039,9 +5062,8 @@ int yaffs_FlushFile(yaffs_Object * in, i + #endif + } + +- retVal = +- (yaffs_UpdateObjectHeader(in, NULL, 0, 0, 0) >= +- 0) ? YAFFS_OK : YAFFS_FAIL; ++ retVal = (yaffs_UpdateObjectHeader(in, NULL, 0, 0, 0) >= ++ 0) ? YAFFS_OK : YAFFS_FAIL; + } else { + retVal = YAFFS_OK; + } +@@ -5050,7 +5072,7 @@ int yaffs_FlushFile(yaffs_Object * in, i + + } + +-static int yaffs_DoGenericObjectDeletion(yaffs_Object * in) ++static int yaffs_DoGenericObjectDeletion(yaffs_Object *in) + { + + /* First off, invalidate the file's data in the cache, without flushing. */ +@@ -5058,13 +5080,13 @@ static int yaffs_DoGenericObjectDeletion + + if (in->myDev->isYaffs2 && (in->parent != in->myDev->deletedDir)) { + /* Move to the unlinked directory so we have a record that it was deleted. */ +- yaffs_ChangeObjectName(in, in->myDev->deletedDir,"deleted", 0, 0); ++ yaffs_ChangeObjectName(in, in->myDev->deletedDir, _Y("deleted"), 0, 0); + + } + + yaffs_RemoveObjectFromDirectory(in); +- yaffs_DeleteChunk(in->myDev, in->chunkId, 1, __LINE__); +- in->chunkId = -1; ++ yaffs_DeleteChunk(in->myDev, in->hdrChunk, 1, __LINE__); ++ in->hdrChunk = 0; + + yaffs_FreeObject(in); + return YAFFS_OK; +@@ -5075,62 +5097,63 @@ static int yaffs_DoGenericObjectDeletion + * and the inode associated with the file. + * It does not delete the links associated with the file. + */ +-static int yaffs_UnlinkFile(yaffs_Object * in) ++static int yaffs_UnlinkFileIfNeeded(yaffs_Object *in) + { + + int retVal; + int immediateDeletion = 0; + +- if (1) { + #ifdef __KERNEL__ +- if (!in->myInode) { +- immediateDeletion = 1; +- +- } ++ if (!in->myInode) ++ immediateDeletion = 1; + #else +- if (in->inUse <= 0) { +- immediateDeletion = 1; +- +- } ++ if (in->inUse <= 0) ++ immediateDeletion = 1; + #endif +- if (immediateDeletion) { +- retVal = +- yaffs_ChangeObjectName(in, in->myDev->deletedDir, +- "deleted", 0, 0); +- T(YAFFS_TRACE_TRACING, +- (TSTR("yaffs: immediate deletion of file %d" TENDSTR), +- in->objectId)); +- in->deleted = 1; +- in->myDev->nDeletedFiles++; +- if (0 && in->myDev->isYaffs2) { +- yaffs_ResizeFile(in, 0); +- } +- yaffs_SoftDeleteFile(in); +- } else { +- retVal = +- yaffs_ChangeObjectName(in, in->myDev->unlinkedDir, +- "unlinked", 0, 0); +- } + ++ if (immediateDeletion) { ++ retVal = ++ yaffs_ChangeObjectName(in, in->myDev->deletedDir, ++ _Y("deleted"), 0, 0); ++ T(YAFFS_TRACE_TRACING, ++ (TSTR("yaffs: immediate deletion of file %d" TENDSTR), ++ in->objectId)); ++ in->deleted = 1; ++ in->myDev->nDeletedFiles++; ++ if (1 || in->myDev->isYaffs2) ++ yaffs_ResizeFile(in, 0); ++ yaffs_SoftDeleteFile(in); ++ } else { ++ retVal = ++ yaffs_ChangeObjectName(in, in->myDev->unlinkedDir, ++ _Y("unlinked"), 0, 0); + } ++ ++ + return retVal; + } + +-int yaffs_DeleteFile(yaffs_Object * in) ++int yaffs_DeleteFile(yaffs_Object *in) + { + int retVal = YAFFS_OK; ++ int deleted = in->deleted; ++ ++ yaffs_ResizeFile(in, 0); + + if (in->nDataChunks > 0) { +- /* Use soft deletion if there is data in the file */ +- if (!in->unlinked) { +- retVal = yaffs_UnlinkFile(in); +- } ++ /* Use soft deletion if there is data in the file. ++ * That won't be the case if it has been resized to zero. ++ */ ++ if (!in->unlinked) ++ retVal = yaffs_UnlinkFileIfNeeded(in); ++ + if (retVal == YAFFS_OK && in->unlinked && !in->deleted) { + in->deleted = 1; ++ deleted = 1; + in->myDev->nDeletedFiles++; + yaffs_SoftDeleteFile(in); + } +- return in->deleted ? YAFFS_OK : YAFFS_FAIL; ++ return deleted ? YAFFS_OK : YAFFS_FAIL; + } else { + /* The file has no data chunks so we toss it immediately */ + yaffs_FreeTnode(in->myDev, in->variant.fileVariant.top); +@@ -5141,62 +5164,75 @@ int yaffs_DeleteFile(yaffs_Object * in) + } + } + +-static int yaffs_DeleteDirectory(yaffs_Object * in) ++static int yaffs_DeleteDirectory(yaffs_Object *in) + { + /* First check that the directory is empty. */ +- if (list_empty(&in->variant.directoryVariant.children)) { ++ if (ylist_empty(&in->variant.directoryVariant.children)) + return yaffs_DoGenericObjectDeletion(in); +- } + + return YAFFS_FAIL; + + } + +-static int yaffs_DeleteSymLink(yaffs_Object * in) ++static int yaffs_DeleteSymLink(yaffs_Object *in) + { + YFREE(in->variant.symLinkVariant.alias); + + return yaffs_DoGenericObjectDeletion(in); + } + +-static int yaffs_DeleteHardLink(yaffs_Object * in) ++static int yaffs_DeleteHardLink(yaffs_Object *in) + { + /* remove this hardlink from the list assocaited with the equivalent + * object + */ +- list_del(&in->hardLinks); ++ ylist_del_init(&in->hardLinks); + return yaffs_DoGenericObjectDeletion(in); + } + +-static void yaffs_DestroyObject(yaffs_Object * obj) ++int yaffs_DeleteObject(yaffs_Object *obj) + { ++int retVal = -1; + switch (obj->variantType) { + case YAFFS_OBJECT_TYPE_FILE: +- yaffs_DeleteFile(obj); ++ retVal = yaffs_DeleteFile(obj); + break; + case YAFFS_OBJECT_TYPE_DIRECTORY: +- yaffs_DeleteDirectory(obj); ++ return yaffs_DeleteDirectory(obj); + break; + case YAFFS_OBJECT_TYPE_SYMLINK: +- yaffs_DeleteSymLink(obj); ++ retVal = yaffs_DeleteSymLink(obj); + break; + case YAFFS_OBJECT_TYPE_HARDLINK: +- yaffs_DeleteHardLink(obj); ++ retVal = yaffs_DeleteHardLink(obj); + break; + case YAFFS_OBJECT_TYPE_SPECIAL: +- yaffs_DoGenericObjectDeletion(obj); ++ retVal = yaffs_DoGenericObjectDeletion(obj); + break; + case YAFFS_OBJECT_TYPE_UNKNOWN: ++ retVal = 0; + break; /* should not happen. */ + } ++ ++ return retVal; + } + +-static int yaffs_UnlinkWorker(yaffs_Object * obj) ++static int yaffs_UnlinkWorker(yaffs_Object *obj) + { + ++ int immediateDeletion = 0; ++ ++#ifdef __KERNEL__ ++ if (!obj->myInode) ++ immediateDeletion = 1; ++#else ++ if (obj->inUse <= 0) ++ immediateDeletion = 1; ++#endif ++ + if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) { + return yaffs_DeleteHardLink(obj); +- } else if (!list_empty(&obj->hardLinks)) { ++ } else if (!ylist_empty(&obj->hardLinks)) { + /* Curve ball: We're unlinking an object that has a hardlink. + * + * This problem arises because we are not strictly following +@@ -5215,24 +5251,24 @@ static int yaffs_UnlinkWorker(yaffs_Obje + int retVal; + YCHAR name[YAFFS_MAX_NAME_LENGTH + 1]; + +- hl = list_entry(obj->hardLinks.next, yaffs_Object, hardLinks); ++ hl = ylist_entry(obj->hardLinks.next, yaffs_Object, hardLinks); + +- list_del_init(&hl->hardLinks); +- list_del_init(&hl->siblings); ++ ylist_del_init(&hl->hardLinks); ++ ylist_del_init(&hl->siblings); + + yaffs_GetObjectName(hl, name, YAFFS_MAX_NAME_LENGTH + 1); + + retVal = yaffs_ChangeObjectName(obj, hl->parent, name, 0, 0); + +- if (retVal == YAFFS_OK) { ++ if (retVal == YAFFS_OK) + retVal = yaffs_DoGenericObjectDeletion(hl); +- } ++ + return retVal; + +- } else { ++ } else if (immediateDeletion) { + switch (obj->variantType) { + case YAFFS_OBJECT_TYPE_FILE: +- return yaffs_UnlinkFile(obj); ++ return yaffs_DeleteFile(obj); + break; + case YAFFS_OBJECT_TYPE_DIRECTORY: + return yaffs_DeleteDirectory(obj); +@@ -5248,21 +5284,22 @@ static int yaffs_UnlinkWorker(yaffs_Obje + default: + return YAFFS_FAIL; + } +- } ++ } else ++ return yaffs_ChangeObjectName(obj, obj->myDev->unlinkedDir, ++ _Y("unlinked"), 0, 0); + } + + +-static int yaffs_UnlinkObject( yaffs_Object *obj) ++static int yaffs_UnlinkObject(yaffs_Object *obj) + { + +- if (obj && obj->unlinkAllowed) { ++ if (obj && obj->unlinkAllowed) + return yaffs_UnlinkWorker(obj); +- } + + return YAFFS_FAIL; + + } +-int yaffs_Unlink(yaffs_Object * dir, const YCHAR * name) ++int yaffs_Unlink(yaffs_Object *dir, const YCHAR *name) + { + yaffs_Object *obj; + +@@ -5272,8 +5309,8 @@ int yaffs_Unlink(yaffs_Object * dir, con + + /*----------------------- Initialisation Scanning ---------------------- */ + +-static void yaffs_HandleShadowedObject(yaffs_Device * dev, int objId, +- int backwardScanning) ++static void yaffs_HandleShadowedObject(yaffs_Device *dev, int objId, ++ int backwardScanning) + { + yaffs_Object *obj; + +@@ -5286,9 +5323,8 @@ static void yaffs_HandleShadowedObject(y + /* Handle YAFFS2 case (backward scanning) + * If the shadowed object exists then ignore. + */ +- if (yaffs_FindObjectByNumber(dev, objId)) { ++ if (yaffs_FindObjectByNumber(dev, objId)) + return; +- } + } + + /* Let's create it (if it does not exist) assuming it is a file so that it can do shrinking etc. +@@ -5297,6 +5333,8 @@ static void yaffs_HandleShadowedObject(y + obj = + yaffs_FindOrCreateObjectByNumber(dev, objId, + YAFFS_OBJECT_TYPE_FILE); ++ if (!obj) ++ return; + yaffs_AddObjectToDirectory(dev->unlinkedDir, obj); + obj->variant.fileVariant.shrinkSize = 0; + obj->valid = 1; /* So that we don't read any other info for this file */ +@@ -5325,44 +5363,77 @@ static void yaffs_HardlinkFixup(yaffs_De + if (in) { + /* Add the hardlink pointers */ + hl->variant.hardLinkVariant.equivalentObject = in; +- list_add(&hl->hardLinks, &in->hardLinks); ++ ylist_add(&hl->hardLinks, &in->hardLinks); + } else { + /* Todo Need to report/handle this better. + * Got a problem... hardlink to a non-existant object + */ + hl->variant.hardLinkVariant.equivalentObject = NULL; +- INIT_LIST_HEAD(&hl->hardLinks); ++ YINIT_LIST_HEAD(&hl->hardLinks); + + } +- + } ++} ++ ++ + ++ ++ ++static int ybicmp(const void *a, const void *b) ++{ ++ register int aseq = ((yaffs_BlockIndex *)a)->seq; ++ register int bseq = ((yaffs_BlockIndex *)b)->seq; ++ register int ablock = ((yaffs_BlockIndex *)a)->block; ++ register int bblock = ((yaffs_BlockIndex *)b)->block; ++ if (aseq == bseq) ++ return ablock - bblock; ++ else ++ return aseq - bseq; + } + + ++struct yaffs_ShadowFixerStruct { ++ int objectId; ++ int shadowedId; ++ struct yaffs_ShadowFixerStruct *next; ++}; ++ + ++static void yaffs_StripDeletedObjects(yaffs_Device *dev) ++{ ++ /* ++ * Sort out state of unlinked and deleted objects after scanning. ++ */ ++ struct ylist_head *i; ++ struct ylist_head *n; ++ yaffs_Object *l; + ++ /* Soft delete all the unlinked files */ ++ ylist_for_each_safe(i, n, ++ &dev->unlinkedDir->variant.directoryVariant.children) { ++ if (i) { ++ l = ylist_entry(i, yaffs_Object, siblings); ++ yaffs_DeleteObject(l); ++ } ++ } + +-static int ybicmp(const void *a, const void *b){ +- register int aseq = ((yaffs_BlockIndex *)a)->seq; +- register int bseq = ((yaffs_BlockIndex *)b)->seq; +- register int ablock = ((yaffs_BlockIndex *)a)->block; +- register int bblock = ((yaffs_BlockIndex *)b)->block; +- if( aseq == bseq ) +- return ablock - bblock; +- else +- return aseq - bseq; ++ ylist_for_each_safe(i, n, ++ &dev->deletedDir->variant.directoryVariant.children) { ++ if (i) { ++ l = ylist_entry(i, yaffs_Object, siblings); ++ yaffs_DeleteObject(l); ++ } ++ } + + } + +-static int yaffs_Scan(yaffs_Device * dev) ++static int yaffs_Scan(yaffs_Device *dev) + { + yaffs_ExtendedTags tags; + int blk; + int blockIterator; + int startIterator; + int endIterator; +- int nBlocksToScan = 0; + int result; + + int chunk; +@@ -5371,26 +5442,19 @@ static int yaffs_Scan(yaffs_Device * dev + yaffs_BlockState state; + yaffs_Object *hardList = NULL; + yaffs_BlockInfo *bi; +- int sequenceNumber; ++ __u32 sequenceNumber; + yaffs_ObjectHeader *oh; + yaffs_Object *in; + yaffs_Object *parent; +- int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1; + + int alloc_failed = 0; + ++ struct yaffs_ShadowFixerStruct *shadowFixerList = NULL; ++ + + __u8 *chunkData; + +- yaffs_BlockIndex *blockIndex = NULL; + +- if (dev->isYaffs2) { +- T(YAFFS_TRACE_SCAN, +- (TSTR("yaffs_Scan is not for YAFFS2!" TENDSTR))); +- return YAFFS_FAIL; +- } +- +- //TODO Throw all the yaffs2 stuuf out of yaffs_Scan since it is only for yaffs1 format. + + T(YAFFS_TRACE_SCAN, + (TSTR("yaffs_Scan starts intstartblk %d intendblk %d..." TENDSTR), +@@ -5400,12 +5464,6 @@ static int yaffs_Scan(yaffs_Device * dev + + dev->sequenceNumber = YAFFS_LOWEST_SEQUENCE_NUMBER; + +- if (dev->isYaffs2) { +- blockIndex = YMALLOC(nBlocks * sizeof(yaffs_BlockIndex)); +- if(!blockIndex) +- return YAFFS_FAIL; +- } +- + /* Scan all the blocks to determine their state */ + for (blk = dev->internalStartBlock; blk <= dev->internalEndBlock; blk++) { + bi = yaffs_GetBlockInfo(dev, blk); +@@ -5418,6 +5476,9 @@ static int yaffs_Scan(yaffs_Device * dev + bi->blockState = state; + bi->sequenceNumber = sequenceNumber; + ++ if (bi->sequenceNumber == YAFFS_SEQUENCE_BAD_BLOCK) ++ bi->blockState = state = YAFFS_BLOCK_STATE_DEAD; ++ + T(YAFFS_TRACE_SCAN_DEBUG, + (TSTR("Block scanning block %d state %d seq %d" TENDSTR), blk, + state, sequenceNumber)); +@@ -5430,70 +5491,21 @@ static int yaffs_Scan(yaffs_Device * dev + (TSTR("Block empty " TENDSTR))); + dev->nErasedBlocks++; + dev->nFreeChunks += dev->nChunksPerBlock; +- } else if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING) { +- +- /* Determine the highest sequence number */ +- if (dev->isYaffs2 && +- sequenceNumber >= YAFFS_LOWEST_SEQUENCE_NUMBER && +- sequenceNumber < YAFFS_HIGHEST_SEQUENCE_NUMBER) { +- +- blockIndex[nBlocksToScan].seq = sequenceNumber; +- blockIndex[nBlocksToScan].block = blk; +- +- nBlocksToScan++; +- +- if (sequenceNumber >= dev->sequenceNumber) { +- dev->sequenceNumber = sequenceNumber; +- } +- } else if (dev->isYaffs2) { +- /* TODO: Nasty sequence number! */ +- T(YAFFS_TRACE_SCAN, +- (TSTR +- ("Block scanning block %d has bad sequence number %d" +- TENDSTR), blk, sequenceNumber)); +- +- } + } + } + +- /* Sort the blocks +- * Dungy old bubble sort for now... +- */ +- if (dev->isYaffs2) { +- yaffs_BlockIndex temp; +- int i; +- int j; +- +- for (i = 0; i < nBlocksToScan; i++) +- for (j = i + 1; j < nBlocksToScan; j++) +- if (blockIndex[i].seq > blockIndex[j].seq) { +- temp = blockIndex[j]; +- blockIndex[j] = blockIndex[i]; +- blockIndex[i] = temp; +- } +- } +- +- /* Now scan the blocks looking at the data. */ +- if (dev->isYaffs2) { +- startIterator = 0; +- endIterator = nBlocksToScan - 1; +- T(YAFFS_TRACE_SCAN_DEBUG, +- (TSTR("%d blocks to be scanned" TENDSTR), nBlocksToScan)); +- } else { +- startIterator = dev->internalStartBlock; +- endIterator = dev->internalEndBlock; +- } ++ startIterator = dev->internalStartBlock; ++ endIterator = dev->internalEndBlock; + + /* For each block.... */ + for (blockIterator = startIterator; !alloc_failed && blockIterator <= endIterator; + blockIterator++) { + +- if (dev->isYaffs2) { +- /* get the block to scan in the correct order */ +- blk = blockIndex[blockIterator].block; +- } else { +- blk = blockIterator; +- } ++ YYIELD(); ++ ++ YYIELD(); ++ ++ blk = blockIterator; + + bi = yaffs_GetBlockInfo(dev, blk); + state = bi->blockState; +@@ -5511,7 +5523,7 @@ static int yaffs_Scan(yaffs_Device * dev + + /* Let's have a good look at this chunk... */ + +- if (!dev->isYaffs2 && tags.chunkDeleted) { ++ if (tags.eccResult == YAFFS_ECC_RESULT_UNFIXED || tags.chunkDeleted) { + /* YAFFS1 only... + * A deleted chunk + */ +@@ -5540,18 +5552,6 @@ static int yaffs_Scan(yaffs_Device * dev + dev->allocationBlockFinder = blk; + /* Set it to here to encourage the allocator to go forth from here. */ + +- /* Yaffs2 sanity check: +- * This should be the one with the highest sequence number +- */ +- if (dev->isYaffs2 +- && (dev->sequenceNumber != +- bi->sequenceNumber)) { +- T(YAFFS_TRACE_ALWAYS, +- (TSTR +- ("yaffs: Allocation block %d was not highest sequence id:" +- " block seq = %d, dev seq = %d" +- TENDSTR), blk,bi->sequenceNumber,dev->sequenceNumber)); +- } + } + + dev->nFreeChunks += (dev->nChunksPerBlock - c); +@@ -5570,11 +5570,11 @@ static int yaffs_Scan(yaffs_Device * dev + * the same chunkId). + */ + +- if(!in) ++ if (!in) + alloc_failed = 1; + +- if(in){ +- if(!yaffs_PutChunkIntoFile(in, tags.chunkId, chunk,1)) ++ if (in) { ++ if (!yaffs_PutChunkIntoFile(in, tags.chunkId, chunk, 1)) + alloc_failed = 1; + } + +@@ -5617,7 +5617,7 @@ static int yaffs_Scan(yaffs_Device * dev + * deleted, and worse still it has changed type. Delete the old object. + */ + +- yaffs_DestroyObject(in); ++ yaffs_DeleteObject(in); + + in = 0; + } +@@ -5627,14 +5627,20 @@ static int yaffs_Scan(yaffs_Device * dev + objectId, + oh->type); + +- if(!in) ++ if (!in) + alloc_failed = 1; + + if (in && oh->shadowsObject > 0) { +- yaffs_HandleShadowedObject(dev, +- oh-> +- shadowsObject, +- 0); ++ ++ struct yaffs_ShadowFixerStruct *fixer; ++ fixer = YMALLOC(sizeof(struct yaffs_ShadowFixerStruct)); ++ if (fixer) { ++ fixer->next = shadowFixerList; ++ shadowFixerList = fixer; ++ fixer->objectId = tags.objectId; ++ fixer->shadowedId = oh->shadowsObject; ++ } ++ + } + + if (in && in->valid) { +@@ -5643,12 +5649,10 @@ static int yaffs_Scan(yaffs_Device * dev + unsigned existingSerial = in->serial; + unsigned newSerial = tags.serialNumber; + +- if (dev->isYaffs2 || +- ((existingSerial + 1) & 3) == +- newSerial) { ++ if (((existingSerial + 1) & 3) == newSerial) { + /* Use new one - destroy the exisiting one */ + yaffs_DeleteChunk(dev, +- in->chunkId, ++ in->hdrChunk, + 1, __LINE__); + in->valid = 0; + } else { +@@ -5681,7 +5685,8 @@ static int yaffs_Scan(yaffs_Device * dev + in->yst_ctime = oh->yst_ctime; + in->yst_rdev = oh->yst_rdev; + #endif +- in->chunkId = chunk; ++ in->hdrChunk = chunk; ++ in->serial = tags.serialNumber; + + } else if (in && !in->valid) { + /* we need to load this info */ +@@ -5705,7 +5710,8 @@ static int yaffs_Scan(yaffs_Device * dev + in->yst_ctime = oh->yst_ctime; + in->yst_rdev = oh->yst_rdev; + #endif +- in->chunkId = chunk; ++ in->hdrChunk = chunk; ++ in->serial = tags.serialNumber; + + yaffs_SetObjectName(in, oh->name); + in->dirty = 0; +@@ -5718,25 +5724,25 @@ static int yaffs_Scan(yaffs_Device * dev + yaffs_FindOrCreateObjectByNumber + (dev, oh->parentObjectId, + YAFFS_OBJECT_TYPE_DIRECTORY); +- if (parent->variantType == ++ if (!parent) ++ alloc_failed = 1; ++ if (parent && parent->variantType == + YAFFS_OBJECT_TYPE_UNKNOWN) { + /* Set up as a directory */ + parent->variantType = +- YAFFS_OBJECT_TYPE_DIRECTORY; +- INIT_LIST_HEAD(&parent->variant. +- directoryVariant. +- children); +- } else if (parent->variantType != +- YAFFS_OBJECT_TYPE_DIRECTORY) +- { ++ YAFFS_OBJECT_TYPE_DIRECTORY; ++ YINIT_LIST_HEAD(&parent->variant. ++ directoryVariant. ++ children); ++ } else if (!parent || parent->variantType != ++ YAFFS_OBJECT_TYPE_DIRECTORY) { + /* Hoosterman, another problem.... + * We're trying to use a non-directory as a directory + */ + + T(YAFFS_TRACE_ERROR, + (TSTR +- ("yaffs tragedy: attempting to use non-directory as" +- " a directory in scan. Put in lost+found." ++ ("yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found." + TENDSTR))); + parent = dev->lostNFoundDir; + } +@@ -5760,15 +5766,6 @@ static int yaffs_Scan(yaffs_Device * dev + /* Todo got a problem */ + break; + case YAFFS_OBJECT_TYPE_FILE: +- if (dev->isYaffs2 +- && oh->isShrink) { +- /* Prune back the shrunken chunks */ +- yaffs_PruneResizedChunks +- (in, oh->fileSize); +- /* Mark the block as having a shrinkHeader */ +- bi->hasShrinkHeader = 1; +- } +- + if (dev->useHeaderFileSize) + + in->variant.fileVariant. +@@ -5778,11 +5775,11 @@ static int yaffs_Scan(yaffs_Device * dev + break; + case YAFFS_OBJECT_TYPE_HARDLINK: + in->variant.hardLinkVariant. +- equivalentObjectId = +- oh->equivalentObjectId; ++ equivalentObjectId = ++ oh->equivalentObjectId; + in->hardLinks.next = +- (struct list_head *) +- hardList; ++ (struct ylist_head *) ++ hardList; + hardList = in; + break; + case YAFFS_OBJECT_TYPE_DIRECTORY: +@@ -5794,15 +5791,17 @@ static int yaffs_Scan(yaffs_Device * dev + case YAFFS_OBJECT_TYPE_SYMLINK: + in->variant.symLinkVariant.alias = + yaffs_CloneString(oh->alias); +- if(!in->variant.symLinkVariant.alias) ++ if (!in->variant.symLinkVariant.alias) + alloc_failed = 1; + break; + } + ++/* + if (parent == dev->deletedDir) { + yaffs_DestroyObject(in); + bi->hasShrinkHeader = 1; + } ++*/ + } + } + } +@@ -5823,10 +5822,6 @@ static int yaffs_Scan(yaffs_Device * dev + + } + +- if (blockIndex) { +- YFREE(blockIndex); +- } +- + + /* Ok, we've done all the scanning. + * Fix up the hard link chains. +@@ -5834,32 +5829,36 @@ static int yaffs_Scan(yaffs_Device * dev + * hardlinks. + */ + +- yaffs_HardlinkFixup(dev,hardList); ++ yaffs_HardlinkFixup(dev, hardList); + +- /* Handle the unlinked files. Since they were left in an unlinked state we should +- * just delete them. +- */ ++ /* Fix up any shadowed objects */ + { +- struct list_head *i; +- struct list_head *n; ++ struct yaffs_ShadowFixerStruct *fixer; ++ yaffs_Object *obj; + +- yaffs_Object *l; +- /* Soft delete all the unlinked files */ +- list_for_each_safe(i, n, +- &dev->unlinkedDir->variant.directoryVariant. +- children) { +- if (i) { +- l = list_entry(i, yaffs_Object, siblings); +- yaffs_DestroyObject(l); +- } ++ while (shadowFixerList) { ++ fixer = shadowFixerList; ++ shadowFixerList = fixer->next; ++ /* Complete the rename transaction by deleting the shadowed object ++ * then setting the object header to unshadowed. ++ */ ++ obj = yaffs_FindObjectByNumber(dev, fixer->shadowedId); ++ if (obj) ++ yaffs_DeleteObject(obj); ++ ++ obj = yaffs_FindObjectByNumber(dev, fixer->objectId); ++ ++ if (obj) ++ yaffs_UpdateObjectHeader(obj, NULL, 1, 0, 0); ++ ++ YFREE(fixer); + } + } + + yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__); + +- if(alloc_failed){ ++ if (alloc_failed) + return YAFFS_FAIL; +- } + + T(YAFFS_TRACE_SCAN, (TSTR("yaffs_Scan ends" TENDSTR))); + +@@ -5871,25 +5870,27 @@ static void yaffs_CheckObjectDetailsLoad + { + __u8 *chunkData; + yaffs_ObjectHeader *oh; +- yaffs_Device *dev = in->myDev; ++ yaffs_Device *dev; + yaffs_ExtendedTags tags; + int result; + int alloc_failed = 0; + +- if(!in) ++ if (!in) + return; + ++ dev = in->myDev; ++ + #if 0 +- T(YAFFS_TRACE_SCAN,(TSTR("details for object %d %s loaded" TENDSTR), ++ T(YAFFS_TRACE_SCAN, (TSTR("details for object %d %s loaded" TENDSTR), + in->objectId, + in->lazyLoaded ? "not yet" : "already")); + #endif + +- if(in->lazyLoaded){ ++ if (in->lazyLoaded && in->hdrChunk > 0) { + in->lazyLoaded = 0; + chunkData = yaffs_GetTempBuffer(dev, __LINE__); + +- result = yaffs_ReadChunkWithTagsFromNAND(dev,in->chunkId,chunkData,&tags); ++ result = yaffs_ReadChunkWithTagsFromNAND(dev, in->hdrChunk, chunkData, &tags); + oh = (yaffs_ObjectHeader *) chunkData; + + in->yst_mode = oh->yst_mode; +@@ -5911,18 +5912,18 @@ static void yaffs_CheckObjectDetailsLoad + #endif + yaffs_SetObjectName(in, oh->name); + +- if(in->variantType == YAFFS_OBJECT_TYPE_SYMLINK){ +- in->variant.symLinkVariant.alias = ++ if (in->variantType == YAFFS_OBJECT_TYPE_SYMLINK) { ++ in->variant.symLinkVariant.alias = + yaffs_CloneString(oh->alias); +- if(!in->variant.symLinkVariant.alias) ++ if (!in->variant.symLinkVariant.alias) + alloc_failed = 1; /* Not returned to caller */ + } + +- yaffs_ReleaseTempBuffer(dev,chunkData, __LINE__); ++ yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__); + } + } + +-static int yaffs_ScanBackwards(yaffs_Device * dev) ++static int yaffs_ScanBackwards(yaffs_Device *dev) + { + yaffs_ExtendedTags tags; + int blk; +@@ -5938,7 +5939,7 @@ static int yaffs_ScanBackwards(yaffs_Dev + yaffs_BlockState state; + yaffs_Object *hardList = NULL; + yaffs_BlockInfo *bi; +- int sequenceNumber; ++ __u32 sequenceNumber; + yaffs_ObjectHeader *oh; + yaffs_Object *in; + yaffs_Object *parent; +@@ -5972,12 +5973,12 @@ static int yaffs_ScanBackwards(yaffs_Dev + + blockIndex = YMALLOC(nBlocks * sizeof(yaffs_BlockIndex)); + +- if(!blockIndex) { ++ if (!blockIndex) { + blockIndex = YMALLOC_ALT(nBlocks * sizeof(yaffs_BlockIndex)); + altBlockIndex = 1; + } + +- if(!blockIndex) { ++ if (!blockIndex) { + T(YAFFS_TRACE_SCAN, + (TSTR("yaffs_Scan() could not allocate block index!" TENDSTR))); + return YAFFS_FAIL; +@@ -5999,15 +6000,17 @@ static int yaffs_ScanBackwards(yaffs_Dev + bi->blockState = state; + bi->sequenceNumber = sequenceNumber; + +- if(bi->sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA) ++ if (bi->sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA) + bi->blockState = state = YAFFS_BLOCK_STATE_CHECKPOINT; ++ if (bi->sequenceNumber == YAFFS_SEQUENCE_BAD_BLOCK) ++ bi->blockState = state = YAFFS_BLOCK_STATE_DEAD; + + T(YAFFS_TRACE_SCAN_DEBUG, + (TSTR("Block scanning block %d state %d seq %d" TENDSTR), blk, + state, sequenceNumber)); + + +- if(state == YAFFS_BLOCK_STATE_CHECKPOINT){ ++ if (state == YAFFS_BLOCK_STATE_CHECKPOINT) { + dev->blocksInCheckpoint++; + + } else if (state == YAFFS_BLOCK_STATE_DEAD) { +@@ -6021,8 +6024,7 @@ static int yaffs_ScanBackwards(yaffs_Dev + } else if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING) { + + /* Determine the highest sequence number */ +- if (dev->isYaffs2 && +- sequenceNumber >= YAFFS_LOWEST_SEQUENCE_NUMBER && ++ if (sequenceNumber >= YAFFS_LOWEST_SEQUENCE_NUMBER && + sequenceNumber < YAFFS_HIGHEST_SEQUENCE_NUMBER) { + + blockIndex[nBlocksToScan].seq = sequenceNumber; +@@ -6030,10 +6032,9 @@ static int yaffs_ScanBackwards(yaffs_Dev + + nBlocksToScan++; + +- if (sequenceNumber >= dev->sequenceNumber) { ++ if (sequenceNumber >= dev->sequenceNumber) + dev->sequenceNumber = sequenceNumber; +- } +- } else if (dev->isYaffs2) { ++ } else { + /* TODO: Nasty sequence number! */ + T(YAFFS_TRACE_SCAN, + (TSTR +@@ -6053,11 +6054,13 @@ static int yaffs_ScanBackwards(yaffs_Dev + + /* Sort the blocks */ + #ifndef CONFIG_YAFFS_USE_OWN_SORT +- yaffs_qsort(blockIndex, nBlocksToScan, +- sizeof(yaffs_BlockIndex), ybicmp); ++ { ++ /* Use qsort now. */ ++ yaffs_qsort(blockIndex, nBlocksToScan, sizeof(yaffs_BlockIndex), ybicmp); ++ } + #else + { +- /* Dungy old bubble sort... */ ++ /* Dungy old bubble sort... */ + + yaffs_BlockIndex temp; + int i; +@@ -6075,7 +6078,7 @@ static int yaffs_ScanBackwards(yaffs_Dev + + YYIELD(); + +- T(YAFFS_TRACE_SCAN, (TSTR("...done" TENDSTR))); ++ T(YAFFS_TRACE_SCAN, (TSTR("...done" TENDSTR))); + + /* Now scan the blocks looking at the data. */ + startIterator = 0; +@@ -6085,10 +6088,10 @@ static int yaffs_ScanBackwards(yaffs_Dev + + /* For each block.... backwards */ + for (blockIterator = endIterator; !alloc_failed && blockIterator >= startIterator; +- blockIterator--) { +- /* Cooperative multitasking! This loop can run for so ++ blockIterator--) { ++ /* Cooperative multitasking! This loop can run for so + long that watchdog timers expire. */ +- YYIELD(); ++ YYIELD(); + + /* get the block to scan in the correct order */ + blk = blockIndex[blockIterator].block; +@@ -6127,10 +6130,8 @@ static int yaffs_ScanBackwards(yaffs_Dev + * this is the one being allocated from + */ + +- if(foundChunksInBlock) +- { ++ if (foundChunksInBlock) { + /* This is a chunk that was skipped due to failing the erased check */ +- + } else if (c == 0) { + /* We're looking at the first chunk in the block so the block is unused */ + state = YAFFS_BLOCK_STATE_EMPTY; +@@ -6138,7 +6139,7 @@ static int yaffs_ScanBackwards(yaffs_Dev + } else { + if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING || + state == YAFFS_BLOCK_STATE_ALLOCATING) { +- if(dev->sequenceNumber == bi->sequenceNumber) { ++ if (dev->sequenceNumber == bi->sequenceNumber) { + /* this is the block being allocated from */ + + T(YAFFS_TRACE_SCAN, +@@ -6150,27 +6151,31 @@ static int yaffs_ScanBackwards(yaffs_Dev + dev->allocationBlock = blk; + dev->allocationPage = c; + dev->allocationBlockFinder = blk; +- } +- else { ++ } else { + /* This is a partially written block that is not + * the current allocation block. This block must have + * had a write failure, so set up for retirement. + */ + +- bi->needsRetiring = 1; ++ /* bi->needsRetiring = 1; ??? TODO */ + bi->gcPrioritise = 1; + + T(YAFFS_TRACE_ALWAYS, +- (TSTR("Partially written block %d being set for retirement" TENDSTR), ++ (TSTR("Partially written block %d detected" TENDSTR), + blk)); + } +- + } +- + } + + dev->nFreeChunks++; + ++ } else if (tags.eccResult == YAFFS_ECC_RESULT_UNFIXED) { ++ T(YAFFS_TRACE_SCAN, ++ (TSTR(" Unfixed ECC in chunk(%d:%d), chunk ignored"TENDSTR), ++ blk, c)); ++ ++ dev->nFreeChunks++; ++ + } else if (tags.chunkId > 0) { + /* chunkId > 0 so it is a data chunk... */ + unsigned int endpos; +@@ -6187,7 +6192,7 @@ static int yaffs_ScanBackwards(yaffs_Dev + tags. + objectId, + YAFFS_OBJECT_TYPE_FILE); +- if(!in){ ++ if (!in) { + /* Out of memory */ + alloc_failed = 1; + } +@@ -6197,8 +6202,8 @@ static int yaffs_ScanBackwards(yaffs_Dev + && chunkBase < + in->variant.fileVariant.shrinkSize) { + /* This has not been invalidated by a resize */ +- if(!yaffs_PutChunkIntoFile(in, tags.chunkId, +- chunk, -1)){ ++ if (!yaffs_PutChunkIntoFile(in, tags.chunkId, ++ chunk, -1)) { + alloc_failed = 1; + } + +@@ -6221,7 +6226,7 @@ static int yaffs_ScanBackwards(yaffs_Dev + scannedFileSize; + } + +- } else if(in) { ++ } else if (in) { + /* This chunk has been invalidated by a resize, so delete */ + yaffs_DeleteChunk(dev, chunk, 1, __LINE__); + +@@ -6242,6 +6247,8 @@ static int yaffs_ScanBackwards(yaffs_Dev + in = yaffs_FindOrCreateObjectByNumber + (dev, tags.objectId, + tags.extraObjectType); ++ if (!in) ++ alloc_failed = 1; + } + + if (!in || +@@ -6251,8 +6258,7 @@ static int yaffs_ScanBackwards(yaffs_Dev + tags.extraShadows || + (!in->valid && + (tags.objectId == YAFFS_OBJECTID_ROOT || +- tags.objectId == YAFFS_OBJECTID_LOSTNFOUND)) +- ) { ++ tags.objectId == YAFFS_OBJECTID_LOSTNFOUND))) { + + /* If we don't have valid info then we need to read the chunk + * TODO In future we can probably defer reading the chunk and +@@ -6266,8 +6272,17 @@ static int yaffs_ScanBackwards(yaffs_Dev + + oh = (yaffs_ObjectHeader *) chunkData; + +- if (!in) ++ if (dev->inbandTags) { ++ /* Fix up the header if they got corrupted by inband tags */ ++ oh->shadowsObject = oh->inbandShadowsObject; ++ oh->isShrink = oh->inbandIsShrink; ++ } ++ ++ if (!in) { + in = yaffs_FindOrCreateObjectByNumber(dev, tags.objectId, oh->type); ++ if (!in) ++ alloc_failed = 1; ++ } + + } + +@@ -6275,10 +6290,9 @@ static int yaffs_ScanBackwards(yaffs_Dev + /* TODO Hoosterman we have a problem! */ + T(YAFFS_TRACE_ERROR, + (TSTR +- ("yaffs tragedy: Could not make object for object %d " +- "at chunk %d during scan" ++ ("yaffs tragedy: Could not make object for object %d at chunk %d during scan" + TENDSTR), tags.objectId, chunk)); +- ++ continue; + } + + if (in->valid) { +@@ -6289,10 +6303,9 @@ static int yaffs_ScanBackwards(yaffs_Dev + + if ((in->variantType == YAFFS_OBJECT_TYPE_FILE) && + ((oh && +- oh-> type == YAFFS_OBJECT_TYPE_FILE)|| ++ oh->type == YAFFS_OBJECT_TYPE_FILE) || + (tags.extraHeaderInfoAvailable && +- tags.extraObjectType == YAFFS_OBJECT_TYPE_FILE)) +- ) { ++ tags.extraObjectType == YAFFS_OBJECT_TYPE_FILE))) { + __u32 thisSize = + (oh) ? oh->fileSize : tags. + extraFileLength; +@@ -6300,7 +6313,9 @@ static int yaffs_ScanBackwards(yaffs_Dev + (oh) ? oh-> + parentObjectId : tags. + extraParentObjectId; +- unsigned isShrink = ++ ++ ++ isShrink = + (oh) ? oh->isShrink : tags. + extraIsShrinkHeader; + +@@ -6323,9 +6338,8 @@ static int yaffs_ScanBackwards(yaffs_Dev + thisSize; + } + +- if (isShrink) { ++ if (isShrink) + bi->hasShrinkHeader = 1; +- } + + } + /* Use existing - destroy this one. */ +@@ -6333,6 +6347,17 @@ static int yaffs_ScanBackwards(yaffs_Dev + + } + ++ if (!in->valid && in->variantType != ++ (oh ? oh->type : tags.extraObjectType)) ++ T(YAFFS_TRACE_ERROR, ( ++ TSTR("yaffs tragedy: Bad object type, " ++ TCONT("%d != %d, for object %d at chunk ") ++ TCONT("%d during scan") ++ TENDSTR), oh ? ++ oh->type : tags.extraObjectType, ++ in->variantType, tags.objectId, ++ chunk)); ++ + if (!in->valid && + (tags.objectId == YAFFS_OBJECTID_ROOT || + tags.objectId == +@@ -6340,7 +6365,7 @@ static int yaffs_ScanBackwards(yaffs_Dev + /* We only load some info, don't fiddle with directory structure */ + in->valid = 1; + +- if(oh) { ++ if (oh) { + in->variantType = oh->type; + + in->yst_mode = oh->yst_mode; +@@ -6365,15 +6390,15 @@ static int yaffs_ScanBackwards(yaffs_Dev + in->lazyLoaded = 1; + } + +- in->chunkId = chunk; ++ in->hdrChunk = chunk; + + } else if (!in->valid) { + /* we need to load this info */ + + in->valid = 1; +- in->chunkId = chunk; ++ in->hdrChunk = chunk; + +- if(oh) { ++ if (oh) { + in->variantType = oh->type; + + in->yst_mode = oh->yst_mode; +@@ -6403,20 +6428,19 @@ static int yaffs_ScanBackwards(yaffs_Dev + yaffs_SetObjectName(in, oh->name); + parent = + yaffs_FindOrCreateObjectByNumber +- (dev, oh->parentObjectId, +- YAFFS_OBJECT_TYPE_DIRECTORY); ++ (dev, oh->parentObjectId, ++ YAFFS_OBJECT_TYPE_DIRECTORY); + + fileSize = oh->fileSize; +- isShrink = oh->isShrink; ++ isShrink = oh->isShrink; + equivalentObjectId = oh->equivalentObjectId; + +- } +- else { ++ } else { + in->variantType = tags.extraObjectType; + parent = + yaffs_FindOrCreateObjectByNumber +- (dev, tags.extraParentObjectId, +- YAFFS_OBJECT_TYPE_DIRECTORY); ++ (dev, tags.extraParentObjectId, ++ YAFFS_OBJECT_TYPE_DIRECTORY); + fileSize = tags.extraFileLength; + isShrink = tags.extraIsShrinkHeader; + equivalentObjectId = tags.extraEquivalentObjectId; +@@ -6425,29 +6449,30 @@ static int yaffs_ScanBackwards(yaffs_Dev + } + in->dirty = 0; + ++ if (!parent) ++ alloc_failed = 1; ++ + /* directory stuff... + * hook up to parent + */ + +- if (parent->variantType == ++ if (parent && parent->variantType == + YAFFS_OBJECT_TYPE_UNKNOWN) { + /* Set up as a directory */ + parent->variantType = +- YAFFS_OBJECT_TYPE_DIRECTORY; +- INIT_LIST_HEAD(&parent->variant. +- directoryVariant. +- children); +- } else if (parent->variantType != +- YAFFS_OBJECT_TYPE_DIRECTORY) +- { ++ YAFFS_OBJECT_TYPE_DIRECTORY; ++ YINIT_LIST_HEAD(&parent->variant. ++ directoryVariant. ++ children); ++ } else if (!parent || parent->variantType != ++ YAFFS_OBJECT_TYPE_DIRECTORY) { + /* Hoosterman, another problem.... + * We're trying to use a non-directory as a directory + */ + + T(YAFFS_TRACE_ERROR, + (TSTR +- ("yaffs tragedy: attempting to use non-directory as" +- " a directory in scan. Put in lost+found." ++ ("yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found." + TENDSTR))); + parent = dev->lostNFoundDir; + } +@@ -6494,12 +6519,12 @@ static int yaffs_ScanBackwards(yaffs_Dev + + break; + case YAFFS_OBJECT_TYPE_HARDLINK: +- if(!itsUnlinked) { +- in->variant.hardLinkVariant.equivalentObjectId = +- equivalentObjectId; +- in->hardLinks.next = +- (struct list_head *) hardList; +- hardList = in; ++ if (!itsUnlinked) { ++ in->variant.hardLinkVariant.equivalentObjectId = ++ equivalentObjectId; ++ in->hardLinks.next = ++ (struct ylist_head *) hardList; ++ hardList = in; + } + break; + case YAFFS_OBJECT_TYPE_DIRECTORY: +@@ -6509,12 +6534,11 @@ static int yaffs_ScanBackwards(yaffs_Dev + /* Do nothing */ + break; + case YAFFS_OBJECT_TYPE_SYMLINK: +- if(oh){ +- in->variant.symLinkVariant.alias = +- yaffs_CloneString(oh-> +- alias); +- if(!in->variant.symLinkVariant.alias) +- alloc_failed = 1; ++ if (oh) { ++ in->variant.symLinkVariant.alias = ++ yaffs_CloneString(oh->alias); ++ if (!in->variant.symLinkVariant.alias) ++ alloc_failed = 1; + } + break; + } +@@ -6551,75 +6575,129 @@ static int yaffs_ScanBackwards(yaffs_Dev + * We should now have scanned all the objects, now it's time to add these + * hardlinks. + */ +- yaffs_HardlinkFixup(dev,hardList); ++ yaffs_HardlinkFixup(dev, hardList); + + +- /* +- * Sort out state of unlinked and deleted objects. +- */ +- { +- struct list_head *i; +- struct list_head *n; ++ yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__); + +- yaffs_Object *l; ++ if (alloc_failed) ++ return YAFFS_FAIL; + +- /* Soft delete all the unlinked files */ +- list_for_each_safe(i, n, +- &dev->unlinkedDir->variant.directoryVariant. +- children) { +- if (i) { +- l = list_entry(i, yaffs_Object, siblings); +- yaffs_DestroyObject(l); +- } +- } ++ T(YAFFS_TRACE_SCAN, (TSTR("yaffs_ScanBackwards ends" TENDSTR))); + +- /* Soft delete all the deletedDir files */ +- list_for_each_safe(i, n, +- &dev->deletedDir->variant.directoryVariant. +- children) { +- if (i) { +- l = list_entry(i, yaffs_Object, siblings); +- yaffs_DestroyObject(l); ++ return YAFFS_OK; ++} + +- } ++/*------------------------------ Directory Functions ----------------------------- */ ++ ++static void yaffs_VerifyObjectInDirectory(yaffs_Object *obj) ++{ ++ struct ylist_head *lh; ++ yaffs_Object *listObj; ++ ++ int count = 0; ++ ++ if (!obj) { ++ T(YAFFS_TRACE_ALWAYS, (TSTR("No object to verify" TENDSTR))); ++ YBUG(); ++ return; ++ } ++ ++ if (yaffs_SkipVerification(obj->myDev)) ++ return; ++ ++ if (!obj->parent) { ++ T(YAFFS_TRACE_ALWAYS, (TSTR("Object does not have parent" TENDSTR))); ++ YBUG(); ++ return; ++ } ++ ++ if (obj->parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) { ++ T(YAFFS_TRACE_ALWAYS, (TSTR("Parent is not directory" TENDSTR))); ++ YBUG(); ++ } ++ ++ /* Iterate through the objects in each hash entry */ ++ ++ ylist_for_each(lh, &obj->parent->variant.directoryVariant.children) { ++ if (lh) { ++ listObj = ylist_entry(lh, yaffs_Object, siblings); ++ yaffs_VerifyObject(listObj); ++ if (obj == listObj) ++ count++; + } ++ } ++ ++ if (count != 1) { ++ T(YAFFS_TRACE_ALWAYS, (TSTR("Object in directory %d times" TENDSTR), count)); ++ YBUG(); + } ++} + +- yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__); ++static void yaffs_VerifyDirectory(yaffs_Object *directory) ++{ ++ struct ylist_head *lh; ++ yaffs_Object *listObj; + +- if(alloc_failed){ +- return YAFFS_FAIL; ++ if (!directory) { ++ YBUG(); ++ return; + } + +- T(YAFFS_TRACE_SCAN, (TSTR("yaffs_ScanBackwards ends" TENDSTR))); ++ if (yaffs_SkipFullVerification(directory->myDev)) ++ return; + +- return YAFFS_OK; ++ if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) { ++ T(YAFFS_TRACE_ALWAYS, (TSTR("Directory has wrong type: %d" TENDSTR), directory->variantType)); ++ YBUG(); ++ } ++ ++ /* Iterate through the objects in each hash entry */ ++ ++ ylist_for_each(lh, &directory->variant.directoryVariant.children) { ++ if (lh) { ++ listObj = ylist_entry(lh, yaffs_Object, siblings); ++ if (listObj->parent != directory) { ++ T(YAFFS_TRACE_ALWAYS, (TSTR("Object in directory list has wrong parent %p" TENDSTR), listObj->parent)); ++ YBUG(); ++ } ++ yaffs_VerifyObjectInDirectory(listObj); ++ } ++ } + } + +-/*------------------------------ Directory Functions ----------------------------- */ + +-static void yaffs_RemoveObjectFromDirectory(yaffs_Object * obj) ++static void yaffs_RemoveObjectFromDirectory(yaffs_Object *obj) + { + yaffs_Device *dev = obj->myDev; ++ yaffs_Object *parent; ++ ++ yaffs_VerifyObjectInDirectory(obj); ++ parent = obj->parent; ++ ++ yaffs_VerifyDirectory(parent); + +- if(dev && dev->removeObjectCallback) ++ if (dev && dev->removeObjectCallback) + dev->removeObjectCallback(obj); + +- list_del_init(&obj->siblings); ++ ++ ylist_del_init(&obj->siblings); + obj->parent = NULL; ++ ++ yaffs_VerifyDirectory(parent); + } + + +-static void yaffs_AddObjectToDirectory(yaffs_Object * directory, +- yaffs_Object * obj) ++static void yaffs_AddObjectToDirectory(yaffs_Object *directory, ++ yaffs_Object *obj) + { +- + if (!directory) { + T(YAFFS_TRACE_ALWAYS, + (TSTR + ("tragedy: Trying to add an object to a null pointer directory" + TENDSTR))); + YBUG(); ++ return; + } + if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) { + T(YAFFS_TRACE_ALWAYS, +@@ -6631,37 +6709,42 @@ static void yaffs_AddObjectToDirectory(y + + if (obj->siblings.prev == NULL) { + /* Not initialised */ +- INIT_LIST_HEAD(&obj->siblings); +- +- } else if (!list_empty(&obj->siblings)) { +- /* If it is holed up somewhere else, un hook it */ +- yaffs_RemoveObjectFromDirectory(obj); ++ YBUG(); + } ++ ++ ++ yaffs_VerifyDirectory(directory); ++ ++ yaffs_RemoveObjectFromDirectory(obj); ++ ++ + /* Now add it */ +- list_add(&obj->siblings, &directory->variant.directoryVariant.children); ++ ylist_add(&obj->siblings, &directory->variant.directoryVariant.children); + obj->parent = directory; + + if (directory == obj->myDev->unlinkedDir +- || directory == obj->myDev->deletedDir) { ++ || directory == obj->myDev->deletedDir) { + obj->unlinked = 1; + obj->myDev->nUnlinkedFiles++; + obj->renameAllowed = 0; + } ++ ++ yaffs_VerifyDirectory(directory); ++ yaffs_VerifyObjectInDirectory(obj); + } + +-yaffs_Object *yaffs_FindObjectByName(yaffs_Object * directory, +- const YCHAR * name) ++yaffs_Object *yaffs_FindObjectByName(yaffs_Object *directory, ++ const YCHAR *name) + { + int sum; + +- struct list_head *i; ++ struct ylist_head *i; + YCHAR buffer[YAFFS_MAX_NAME_LENGTH + 1]; + + yaffs_Object *l; + +- if (!name) { ++ if (!name) + return NULL; +- } + + if (!directory) { + T(YAFFS_TRACE_ALWAYS, +@@ -6669,6 +6752,7 @@ yaffs_Object *yaffs_FindObjectByName(yaf + ("tragedy: yaffs_FindObjectByName: null pointer directory" + TENDSTR))); + YBUG(); ++ return NULL; + } + if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) { + T(YAFFS_TRACE_ALWAYS, +@@ -6679,28 +6763,27 @@ yaffs_Object *yaffs_FindObjectByName(yaf + + sum = yaffs_CalcNameSum(name); + +- list_for_each(i, &directory->variant.directoryVariant.children) { ++ ylist_for_each(i, &directory->variant.directoryVariant.children) { + if (i) { +- l = list_entry(i, yaffs_Object, siblings); ++ l = ylist_entry(i, yaffs_Object, siblings); ++ ++ if (l->parent != directory) ++ YBUG(); + + yaffs_CheckObjectDetailsLoaded(l); + + /* Special case for lost-n-found */ + if (l->objectId == YAFFS_OBJECTID_LOSTNFOUND) { +- if (yaffs_strcmp(name, YAFFS_LOSTNFOUND_NAME) == 0) { ++ if (yaffs_strcmp(name, YAFFS_LOSTNFOUND_NAME) == 0) + return l; +- } +- } else if (yaffs_SumCompare(l->sum, sum) || l->chunkId <= 0) +- { +- /* LostnFound cunk called Objxxx ++ } else if (yaffs_SumCompare(l->sum, sum) || l->hdrChunk <= 0) { ++ /* LostnFound chunk called Objxxx + * Do a real check + */ + yaffs_GetObjectName(l, buffer, + YAFFS_MAX_NAME_LENGTH); +- if (yaffs_strncmp(name, buffer,YAFFS_MAX_NAME_LENGTH) == 0) { ++ if (yaffs_strncmp(name, buffer, YAFFS_MAX_NAME_LENGTH) == 0) + return l; +- } +- + } + } + } +@@ -6710,10 +6793,10 @@ yaffs_Object *yaffs_FindObjectByName(yaf + + + #if 0 +-int yaffs_ApplyToDirectoryChildren(yaffs_Object * theDir, +- int (*fn) (yaffs_Object *)) ++int yaffs_ApplyToDirectoryChildren(yaffs_Object *theDir, ++ int (*fn) (yaffs_Object *)) + { +- struct list_head *i; ++ struct ylist_head *i; + yaffs_Object *l; + + if (!theDir) { +@@ -6722,20 +6805,21 @@ int yaffs_ApplyToDirectoryChildren(yaffs + ("tragedy: yaffs_FindObjectByName: null pointer directory" + TENDSTR))); + YBUG(); ++ return YAFFS_FAIL; + } + if (theDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) { + T(YAFFS_TRACE_ALWAYS, + (TSTR + ("tragedy: yaffs_FindObjectByName: non-directory" TENDSTR))); + YBUG(); ++ return YAFFS_FAIL; + } + +- list_for_each(i, &theDir->variant.directoryVariant.children) { ++ ylist_for_each(i, &theDir->variant.directoryVariant.children) { + if (i) { +- l = list_entry(i, yaffs_Object, siblings); +- if (l && !fn(l)) { ++ l = ylist_entry(i, yaffs_Object, siblings); ++ if (l && !fn(l)) + return YAFFS_FAIL; +- } + } + } + +@@ -6748,7 +6832,7 @@ int yaffs_ApplyToDirectoryChildren(yaffs + * actual object. + */ + +-yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object * obj) ++yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object *obj) + { + if (obj && obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) { + /* We want the object id of the equivalent object, not this one */ +@@ -6756,10 +6840,9 @@ yaffs_Object *yaffs_GetEquivalentObject( + yaffs_CheckObjectDetailsLoaded(obj); + } + return obj; +- + } + +-int yaffs_GetObjectName(yaffs_Object * obj, YCHAR * name, int buffSize) ++int yaffs_GetObjectName(yaffs_Object *obj, YCHAR *name, int buffSize) + { + memset(name, 0, buffSize * sizeof(YCHAR)); + +@@ -6767,18 +6850,26 @@ int yaffs_GetObjectName(yaffs_Object * o + + if (obj->objectId == YAFFS_OBJECTID_LOSTNFOUND) { + yaffs_strncpy(name, YAFFS_LOSTNFOUND_NAME, buffSize - 1); +- } else if (obj->chunkId <= 0) { ++ } else if (obj->hdrChunk <= 0) { + YCHAR locName[20]; ++ YCHAR numString[20]; ++ YCHAR *x = &numString[19]; ++ unsigned v = obj->objectId; ++ numString[19] = 0; ++ while (v > 0) { ++ x--; ++ *x = '0' + (v % 10); ++ v /= 10; ++ } + /* make up a name */ +- yaffs_sprintf(locName, _Y("%s%d"), YAFFS_LOSTNFOUND_PREFIX, +- obj->objectId); ++ yaffs_strcpy(locName, YAFFS_LOSTNFOUND_PREFIX); ++ yaffs_strcat(locName, x); + yaffs_strncpy(name, locName, buffSize - 1); + + } + #ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM +- else if (obj->shortName[0]) { ++ else if (obj->shortName[0]) + yaffs_strcpy(name, obj->shortName); +- } + #endif + else { + int result; +@@ -6788,9 +6879,9 @@ int yaffs_GetObjectName(yaffs_Object * o + + memset(buffer, 0, obj->myDev->nDataBytesPerChunk); + +- if (obj->chunkId >= 0) { ++ if (obj->hdrChunk > 0) { + result = yaffs_ReadChunkWithTagsFromNAND(obj->myDev, +- obj->chunkId, buffer, ++ obj->hdrChunk, buffer, + NULL); + } + yaffs_strncpy(name, oh->name, buffSize - 1); +@@ -6801,46 +6892,43 @@ int yaffs_GetObjectName(yaffs_Object * o + return yaffs_strlen(name); + } + +-int yaffs_GetObjectFileLength(yaffs_Object * obj) ++int yaffs_GetObjectFileLength(yaffs_Object *obj) + { +- + /* Dereference any hard linking */ + obj = yaffs_GetEquivalentObject(obj); + +- if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) { ++ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) + return obj->variant.fileVariant.fileSize; +- } +- if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK) { ++ if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK) + return yaffs_strlen(obj->variant.symLinkVariant.alias); +- } else { ++ else { + /* Only a directory should drop through to here */ + return obj->myDev->nDataBytesPerChunk; + } + } + +-int yaffs_GetObjectLinkCount(yaffs_Object * obj) ++int yaffs_GetObjectLinkCount(yaffs_Object *obj) + { + int count = 0; +- struct list_head *i; ++ struct ylist_head *i; + +- if (!obj->unlinked) { +- count++; /* the object itself */ +- } +- list_for_each(i, &obj->hardLinks) { +- count++; /* add the hard links; */ +- } +- return count; ++ if (!obj->unlinked) ++ count++; /* the object itself */ ++ ++ ylist_for_each(i, &obj->hardLinks) ++ count++; /* add the hard links; */ + ++ return count; + } + +-int yaffs_GetObjectInode(yaffs_Object * obj) ++int yaffs_GetObjectInode(yaffs_Object *obj) + { + obj = yaffs_GetEquivalentObject(obj); + + return obj->objectId; + } + +-unsigned yaffs_GetObjectType(yaffs_Object * obj) ++unsigned yaffs_GetObjectType(yaffs_Object *obj) + { + obj = yaffs_GetEquivalentObject(obj); + +@@ -6872,19 +6960,18 @@ unsigned yaffs_GetObjectType(yaffs_Objec + } + } + +-YCHAR *yaffs_GetSymlinkAlias(yaffs_Object * obj) ++YCHAR *yaffs_GetSymlinkAlias(yaffs_Object *obj) + { + obj = yaffs_GetEquivalentObject(obj); +- if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK) { ++ if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK) + return yaffs_CloneString(obj->variant.symLinkVariant.alias); +- } else { ++ else + return yaffs_CloneString(_Y("")); +- } + } + + #ifndef CONFIG_YAFFS_WINCE + +-int yaffs_SetAttributes(yaffs_Object * obj, struct iattr *attr) ++int yaffs_SetAttributes(yaffs_Object *obj, struct iattr *attr) + { + unsigned int valid = attr->ia_valid; + +@@ -6910,7 +6997,7 @@ int yaffs_SetAttributes(yaffs_Object * o + return YAFFS_OK; + + } +-int yaffs_GetAttributes(yaffs_Object * obj, struct iattr *attr) ++int yaffs_GetAttributes(yaffs_Object *obj, struct iattr *attr) + { + unsigned int valid = 0; + +@@ -6934,13 +7021,12 @@ int yaffs_GetAttributes(yaffs_Object * o + attr->ia_valid = valid; + + return YAFFS_OK; +- + } + + #endif + + #if 0 +-int yaffs_DumpObject(yaffs_Object * obj) ++int yaffs_DumpObject(yaffs_Object *obj) + { + YCHAR name[257]; + +@@ -6951,7 +7037,7 @@ int yaffs_DumpObject(yaffs_Object * obj) + ("Object %d, inode %d \"%s\"\n dirty %d valid %d serial %d sum %d" + " chunk %d type %d size %d\n" + TENDSTR), obj->objectId, yaffs_GetObjectInode(obj), name, +- obj->dirty, obj->valid, obj->serial, obj->sum, obj->chunkId, ++ obj->dirty, obj->valid, obj->serial, obj->sum, obj->hdrChunk, + yaffs_GetObjectType(obj), yaffs_GetObjectFileLength(obj))); + + return YAFFS_OK; +@@ -6960,7 +7046,7 @@ int yaffs_DumpObject(yaffs_Object * obj) + + /*---------------------------- Initialisation code -------------------------------------- */ + +-static int yaffs_CheckDevFunctions(const yaffs_Device * dev) ++static int yaffs_CheckDevFunctions(const yaffs_Device *dev) + { + + /* Common functions, gotta have */ +@@ -7011,7 +7097,7 @@ static int yaffs_CreateInitialDirectorie + yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_LOSTNFOUND, + YAFFS_LOSTNFOUND_MODE | S_IFDIR); + +- if(dev->lostNFoundDir && dev->rootDir && dev->unlinkedDir && dev->deletedDir){ ++ if (dev->lostNFoundDir && dev->rootDir && dev->unlinkedDir && dev->deletedDir) { + yaffs_AddObjectToDirectory(dev->rootDir, dev->lostNFoundDir); + return YAFFS_OK; + } +@@ -7019,7 +7105,7 @@ static int yaffs_CreateInitialDirectorie + return YAFFS_FAIL; + } + +-int yaffs_GutsInitialise(yaffs_Device * dev) ++int yaffs_GutsInitialise(yaffs_Device *dev) + { + int init_failed = 0; + unsigned x; +@@ -7040,6 +7126,8 @@ int yaffs_GutsInitialise(yaffs_Device * + dev->chunkOffset = 0; + dev->nFreeChunks = 0; + ++ dev->gcBlock = -1; ++ + if (dev->startBlock == 0) { + dev->internalStartBlock = dev->startBlock + 1; + dev->internalEndBlock = dev->endBlock + 1; +@@ -7049,18 +7137,18 @@ int yaffs_GutsInitialise(yaffs_Device * + + /* Check geometry parameters. */ + +- if ((dev->isYaffs2 && dev->nDataBytesPerChunk < 1024) || +- (!dev->isYaffs2 && dev->nDataBytesPerChunk != 512) || ++ if ((!dev->inbandTags && dev->isYaffs2 && dev->totalBytesPerChunk < 1024) || ++ (!dev->isYaffs2 && dev->totalBytesPerChunk < 512) || ++ (dev->inbandTags && !dev->isYaffs2) || + dev->nChunksPerBlock < 2 || + dev->nReservedBlocks < 2 || + dev->internalStartBlock <= 0 || + dev->internalEndBlock <= 0 || +- dev->internalEndBlock <= (dev->internalStartBlock + dev->nReservedBlocks + 2) // otherwise it is too small +- ) { ++ dev->internalEndBlock <= (dev->internalStartBlock + dev->nReservedBlocks + 2)) { /* otherwise it is too small */ + T(YAFFS_TRACE_ALWAYS, + (TSTR +- ("yaffs: NAND geometry problems: chunk size %d, type is yaffs%s " +- TENDSTR), dev->nDataBytesPerChunk, dev->isYaffs2 ? "2" : "")); ++ ("yaffs: NAND geometry problems: chunk size %d, type is yaffs%s, inbandTags %d " ++ TENDSTR), dev->totalBytesPerChunk, dev->isYaffs2 ? "2" : "", dev->inbandTags)); + return YAFFS_FAIL; + } + +@@ -7070,6 +7158,12 @@ int yaffs_GutsInitialise(yaffs_Device * + return YAFFS_FAIL; + } + ++ /* Sort out space for inband tags, if required */ ++ if (dev->inbandTags) ++ dev->nDataBytesPerChunk = dev->totalBytesPerChunk - sizeof(yaffs_PackedTags2TagsPart); ++ else ++ dev->nDataBytesPerChunk = dev->totalBytesPerChunk; ++ + /* Got the right mix of functions? */ + if (!yaffs_CheckDevFunctions(dev)) { + /* Function missing */ +@@ -7097,31 +7191,18 @@ int yaffs_GutsInitialise(yaffs_Device * + + dev->isMounted = 1; + +- +- + /* OK now calculate a few things for the device */ + + /* + * Calculate all the chunk size manipulation numbers: + */ +- /* Start off assuming it is a power of 2 */ +- dev->chunkShift = ShiftDiv(dev->nDataBytesPerChunk); +- dev->chunkMask = (1<<dev->chunkShift) - 1; +- +- if(dev->nDataBytesPerChunk == (dev->chunkMask + 1)){ +- /* Yes it is a power of 2, disable crumbs */ +- dev->crumbMask = 0; +- dev->crumbShift = 0; +- dev->crumbsPerChunk = 0; +- } else { +- /* Not a power of 2, use crumbs instead */ +- dev->crumbShift = ShiftDiv(sizeof(yaffs_PackedTags2TagsPart)); +- dev->crumbMask = (1<<dev->crumbShift)-1; +- dev->crumbsPerChunk = dev->nDataBytesPerChunk/(1 << dev->crumbShift); +- dev->chunkShift = 0; +- dev->chunkMask = 0; +- } +- ++ x = dev->nDataBytesPerChunk; ++ /* We always use dev->chunkShift and dev->chunkDiv */ ++ dev->chunkShift = Shifts(x); ++ x >>= dev->chunkShift; ++ dev->chunkDiv = x; ++ /* We only use chunk mask if chunkDiv is 1 */ ++ dev->chunkMask = (1<<dev->chunkShift) - 1; + + /* + * Calculate chunkGroupBits. +@@ -7133,16 +7214,15 @@ int yaffs_GutsInitialise(yaffs_Device * + bits = ShiftsGE(x); + + /* Set up tnode width if wide tnodes are enabled. */ +- if(!dev->wideTnodesDisabled){ ++ if (!dev->wideTnodesDisabled) { + /* bits must be even so that we end up with 32-bit words */ +- if(bits & 1) ++ if (bits & 1) + bits++; +- if(bits < 16) ++ if (bits < 16) + dev->tnodeWidth = 16; + else + dev->tnodeWidth = bits; +- } +- else ++ } else + dev->tnodeWidth = 16; + + dev->tnodeMask = (1<<dev->tnodeWidth)-1; +@@ -7193,7 +7273,7 @@ int yaffs_GutsInitialise(yaffs_Device * + dev->hasPendingPrioritisedGCs = 1; /* Assume the worst for now, will get fixed on first GC */ + + /* Initialise temporary buffers and caches. */ +- if(!yaffs_InitialiseTempBuffers(dev)) ++ if (!yaffs_InitialiseTempBuffers(dev)) + init_failed = 1; + + dev->srCache = NULL; +@@ -7203,25 +7283,26 @@ int yaffs_GutsInitialise(yaffs_Device * + if (!init_failed && + dev->nShortOpCaches > 0) { + int i; +- __u8 *buf; ++ void *buf; + int srCacheBytes = dev->nShortOpCaches * sizeof(yaffs_ChunkCache); + +- if (dev->nShortOpCaches > YAFFS_MAX_SHORT_OP_CACHES) { ++ if (dev->nShortOpCaches > YAFFS_MAX_SHORT_OP_CACHES) + dev->nShortOpCaches = YAFFS_MAX_SHORT_OP_CACHES; +- } + +- buf = dev->srCache = YMALLOC(srCacheBytes); ++ dev->srCache = YMALLOC(srCacheBytes); + +- if(dev->srCache) +- memset(dev->srCache,0,srCacheBytes); ++ buf = (__u8 *) dev->srCache; ++ ++ if (dev->srCache) ++ memset(dev->srCache, 0, srCacheBytes); + + for (i = 0; i < dev->nShortOpCaches && buf; i++) { + dev->srCache[i].object = NULL; + dev->srCache[i].lastUse = 0; + dev->srCache[i].dirty = 0; +- dev->srCache[i].data = buf = YMALLOC_DMA(dev->nDataBytesPerChunk); ++ dev->srCache[i].data = buf = YMALLOC_DMA(dev->totalBytesPerChunk); + } +- if(!buf) ++ if (!buf) + init_failed = 1; + + dev->srLastUse = 0; +@@ -7229,29 +7310,30 @@ int yaffs_GutsInitialise(yaffs_Device * + + dev->cacheHits = 0; + +- if(!init_failed){ ++ if (!init_failed) { + dev->gcCleanupList = YMALLOC(dev->nChunksPerBlock * sizeof(__u32)); +- if(!dev->gcCleanupList) ++ if (!dev->gcCleanupList) + init_failed = 1; + } + +- if (dev->isYaffs2) { ++ if (dev->isYaffs2) + dev->useHeaderFileSize = 1; +- } +- if(!init_failed && !yaffs_InitialiseBlocks(dev)) ++ ++ if (!init_failed && !yaffs_InitialiseBlocks(dev)) + init_failed = 1; + + yaffs_InitialiseTnodes(dev); + yaffs_InitialiseObjects(dev); + +- if(!init_failed && !yaffs_CreateInitialDirectories(dev)) ++ if (!init_failed && !yaffs_CreateInitialDirectories(dev)) + init_failed = 1; + + +- if(!init_failed){ ++ if (!init_failed) { + /* Now scan the flash. */ + if (dev->isYaffs2) { +- if(yaffs_CheckpointRestore(dev)) { ++ if (yaffs_CheckpointRestore(dev)) { ++ yaffs_CheckObjectDetailsLoaded(dev->rootDir); + T(YAFFS_TRACE_ALWAYS, + (TSTR("yaffs: restored from checkpoint" TENDSTR))); + } else { +@@ -7273,24 +7355,25 @@ int yaffs_GutsInitialise(yaffs_Device * + dev->nBackgroundDeletions = 0; + dev->oldestDirtySequence = 0; + +- if(!init_failed && !yaffs_InitialiseBlocks(dev)) ++ if (!init_failed && !yaffs_InitialiseBlocks(dev)) + init_failed = 1; + + yaffs_InitialiseTnodes(dev); + yaffs_InitialiseObjects(dev); + +- if(!init_failed && !yaffs_CreateInitialDirectories(dev)) ++ if (!init_failed && !yaffs_CreateInitialDirectories(dev)) + init_failed = 1; + +- if(!init_failed && !yaffs_ScanBackwards(dev)) ++ if (!init_failed && !yaffs_ScanBackwards(dev)) + init_failed = 1; + } +- }else +- if(!yaffs_Scan(dev)) ++ } else if (!yaffs_Scan(dev)) + init_failed = 1; ++ ++ yaffs_StripDeletedObjects(dev); + } + +- if(init_failed){ ++ if (init_failed) { + /* Clean up the mess */ + T(YAFFS_TRACE_TRACING, + (TSTR("yaffs: yaffs_GutsInitialise() aborted.\n" TENDSTR))); +@@ -7318,7 +7401,7 @@ int yaffs_GutsInitialise(yaffs_Device * + + } + +-void yaffs_Deinitialise(yaffs_Device * dev) ++void yaffs_Deinitialise(yaffs_Device *dev) + { + if (dev->isMounted) { + int i; +@@ -7330,7 +7413,7 @@ void yaffs_Deinitialise(yaffs_Device * d + dev->srCache) { + + for (i = 0; i < dev->nShortOpCaches; i++) { +- if(dev->srCache[i].data) ++ if (dev->srCache[i].data) + YFREE(dev->srCache[i].data); + dev->srCache[i].data = NULL; + } +@@ -7341,16 +7424,17 @@ void yaffs_Deinitialise(yaffs_Device * d + + YFREE(dev->gcCleanupList); + +- for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) { ++ for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) + YFREE(dev->tempBuffer[i].buffer); +- } + + dev->isMounted = 0; +- } + ++ if (dev->deinitialiseNAND) ++ dev->deinitialiseNAND(dev); ++ } + } + +-static int yaffs_CountFreeChunks(yaffs_Device * dev) ++static int yaffs_CountFreeChunks(yaffs_Device *dev) + { + int nFree; + int b; +@@ -7358,7 +7442,7 @@ static int yaffs_CountFreeChunks(yaffs_D + yaffs_BlockInfo *blk; + + for (nFree = 0, b = dev->internalStartBlock; b <= dev->internalEndBlock; +- b++) { ++ b++) { + blk = yaffs_GetBlockInfo(dev, b); + + switch (blk->blockState) { +@@ -7373,19 +7457,19 @@ static int yaffs_CountFreeChunks(yaffs_D + default: + break; + } +- + } + + return nFree; + } + +-int yaffs_GetNumberOfFreeChunks(yaffs_Device * dev) ++int yaffs_GetNumberOfFreeChunks(yaffs_Device *dev) + { + /* This is what we report to the outside world */ + + int nFree; + int nDirtyCacheChunks; + int blocksForCheckpoint; ++ int i; + + #if 1 + nFree = dev->nFreeChunks; +@@ -7397,12 +7481,9 @@ int yaffs_GetNumberOfFreeChunks(yaffs_De + + /* Now count the number of dirty chunks in the cache and subtract those */ + +- { +- int i; +- for (nDirtyCacheChunks = 0, i = 0; i < dev->nShortOpCaches; i++) { +- if (dev->srCache[i].dirty) +- nDirtyCacheChunks++; +- } ++ for (nDirtyCacheChunks = 0, i = 0; i < dev->nShortOpCaches; i++) { ++ if (dev->srCache[i].dirty) ++ nDirtyCacheChunks++; + } + + nFree -= nDirtyCacheChunks; +@@ -7410,8 +7491,8 @@ int yaffs_GetNumberOfFreeChunks(yaffs_De + nFree -= ((dev->nReservedBlocks + 1) * dev->nChunksPerBlock); + + /* Now we figure out how much to reserve for the checkpoint and report that... */ +- blocksForCheckpoint = dev->nCheckpointReservedBlocks - dev->blocksInCheckpoint; +- if(blocksForCheckpoint < 0) ++ blocksForCheckpoint = yaffs_CalcCheckpointBlocksRequired(dev) - dev->blocksInCheckpoint; ++ if (blocksForCheckpoint < 0) + blocksForCheckpoint = 0; + + nFree -= (blocksForCheckpoint * dev->nChunksPerBlock); +@@ -7425,12 +7506,12 @@ int yaffs_GetNumberOfFreeChunks(yaffs_De + + static int yaffs_freeVerificationFailures; + +-static void yaffs_VerifyFreeChunks(yaffs_Device * dev) ++static void yaffs_VerifyFreeChunks(yaffs_Device *dev) + { + int counted; + int difference; + +- if(yaffs_SkipVerification(dev)) ++ if (yaffs_SkipVerification(dev)) + return; + + counted = yaffs_CountFreeChunks(dev); +@@ -7447,23 +7528,25 @@ static void yaffs_VerifyFreeChunks(yaffs + + /*---------------------------------------- YAFFS test code ----------------------*/ + +-#define yaffs_CheckStruct(structure,syze, name) \ +- if(sizeof(structure) != syze) \ +- { \ +- T(YAFFS_TRACE_ALWAYS,(TSTR("%s should be %d but is %d\n" TENDSTR),\ +- name,syze,sizeof(structure))); \ +- return YAFFS_FAIL; \ +- } ++#define yaffs_CheckStruct(structure, syze, name) \ ++ do { \ ++ if (sizeof(structure) != syze) { \ ++ T(YAFFS_TRACE_ALWAYS, (TSTR("%s should be %d but is %d\n" TENDSTR),\ ++ name, syze, sizeof(structure))); \ ++ return YAFFS_FAIL; \ ++ } \ ++ } while (0) + + static int yaffs_CheckStructures(void) + { +-/* yaffs_CheckStruct(yaffs_Tags,8,"yaffs_Tags") */ +-/* yaffs_CheckStruct(yaffs_TagsUnion,8,"yaffs_TagsUnion") */ +-/* yaffs_CheckStruct(yaffs_Spare,16,"yaffs_Spare") */ ++/* yaffs_CheckStruct(yaffs_Tags,8,"yaffs_Tags"); */ ++/* yaffs_CheckStruct(yaffs_TagsUnion,8,"yaffs_TagsUnion"); */ ++/* yaffs_CheckStruct(yaffs_Spare,16,"yaffs_Spare"); */ + #ifndef CONFIG_YAFFS_TNODE_LIST_DEBUG +- yaffs_CheckStruct(yaffs_Tnode, 2 * YAFFS_NTNODES_LEVEL0, "yaffs_Tnode") ++ yaffs_CheckStruct(yaffs_Tnode, 2 * YAFFS_NTNODES_LEVEL0, "yaffs_Tnode"); + #endif +- yaffs_CheckStruct(yaffs_ObjectHeader, 512, "yaffs_ObjectHeader") +- +- return YAFFS_OK; ++#ifndef CONFIG_YAFFS_WINCE ++ yaffs_CheckStruct(yaffs_ObjectHeader, 512, "yaffs_ObjectHeader"); ++#endif ++ return YAFFS_OK; + } +--- a/fs/yaffs2/yaffs_guts.h ++++ b/fs/yaffs2/yaffs_guts.h +@@ -90,7 +90,7 @@ + + #define YAFFS_MAX_SHORT_OP_CACHES 20 + +-#define YAFFS_N_TEMP_BUFFERS 4 ++#define YAFFS_N_TEMP_BUFFERS 6 + + /* We limit the number attempts at sucessfully saving a chunk of data. + * Small-page devices have 32 pages per block; large-page devices have 64. +@@ -108,6 +108,9 @@ + #define YAFFS_LOWEST_SEQUENCE_NUMBER 0x00001000 + #define YAFFS_HIGHEST_SEQUENCE_NUMBER 0xEFFFFF00 + ++/* Special sequence number for bad block that failed to be marked bad */ ++#define YAFFS_SEQUENCE_BAD_BLOCK 0xFFFF0000 ++ + /* ChunkCache is used for short read/write operations.*/ + typedef struct { + struct yaffs_ObjectStruct *object; +@@ -134,11 +137,10 @@ typedef struct { + typedef struct { + unsigned chunkId:20; + unsigned serialNumber:2; +- unsigned byteCount:10; ++ unsigned byteCountLSB:10; + unsigned objectId:18; + unsigned ecc:12; +- unsigned unusedStuff:2; +- ++ unsigned byteCountMSB:2; + } yaffs_Tags; + + typedef union { +@@ -277,13 +279,13 @@ typedef struct { + + int softDeletions:10; /* number of soft deleted pages */ + int pagesInUse:10; /* number of pages in use */ +- yaffs_BlockState blockState:4; /* One of the above block states */ ++ unsigned blockState:4; /* One of the above block states. NB use unsigned because enum is sometimes an int */ + __u32 needsRetiring:1; /* Data has failed on this block, need to get valid data off */ +- /* and retire the block. */ +- __u32 skipErasedCheck: 1; /* If this is set we can skip the erased check on this block */ +- __u32 gcPrioritise: 1; /* An ECC check or blank check has failed on this block. ++ /* and retire the block. */ ++ __u32 skipErasedCheck:1; /* If this is set we can skip the erased check on this block */ ++ __u32 gcPrioritise:1; /* An ECC check or blank check has failed on this block. + It should be prioritised for GC */ +- __u32 chunkErrorStrikes:3; /* How many times we've had ecc etc failures on this block and tried to reuse it */ ++ __u32 chunkErrorStrikes:3; /* How many times we've had ecc etc failures on this block and tried to reuse it */ + + #ifdef CONFIG_YAFFS_YAFFS2 + __u32 hasShrinkHeader:1; /* This block has at least one shrink object header */ +@@ -300,11 +302,11 @@ typedef struct { + + /* Apply to everything */ + int parentObjectId; +- __u16 sum__NoLongerUsed; /* checksum of name. No longer used */ ++ __u16 sum__NoLongerUsed; /* checksum of name. No longer used */ + YCHAR name[YAFFS_MAX_NAME_LENGTH + 1]; + +- /* Thes following apply to directories, files, symlinks - not hard links */ +- __u32 yst_mode; /* protection */ ++ /* The following apply to directories, files, symlinks - not hard links */ ++ __u32 yst_mode; /* protection */ + + #ifdef CONFIG_YAFFS_WINCE + __u32 notForWinCE[5]; +@@ -331,11 +333,14 @@ typedef struct { + __u32 win_ctime[2]; + __u32 win_atime[2]; + __u32 win_mtime[2]; +- __u32 roomToGrow[4]; + #else +- __u32 roomToGrow[10]; ++ __u32 roomToGrow[6]; ++ + #endif ++ __u32 inbandShadowsObject; ++ __u32 inbandIsShrink; + ++ __u32 reservedSpace[2]; + int shadowsObject; /* This object header shadows the specified object if > 0 */ + + /* isShrink applies to object headers written when we shrink the file (ie resize) */ +@@ -381,7 +386,7 @@ typedef struct { + } yaffs_FileStructure; + + typedef struct { +- struct list_head children; /* list of child links */ ++ struct ylist_head children; /* list of child links */ + } yaffs_DirectoryStructure; + + typedef struct { +@@ -418,23 +423,24 @@ struct yaffs_ObjectStruct { + * still in the inode cache. Free of object is defered. + * until the inode is released. + */ ++ __u8 beingCreated:1; /* This object is still being created so skip some checks. */ + + __u8 serial; /* serial number of chunk in NAND. Cached here */ + __u16 sum; /* sum of the name to speed searching */ + +- struct yaffs_DeviceStruct *myDev; /* The device I'm on */ ++ struct yaffs_DeviceStruct *myDev; /* The device I'm on */ + +- struct list_head hashLink; /* list of objects in this hash bucket */ ++ struct ylist_head hashLink; /* list of objects in this hash bucket */ + +- struct list_head hardLinks; /* all the equivalent hard linked objects */ ++ struct ylist_head hardLinks; /* all the equivalent hard linked objects */ + + /* directory structure stuff */ + /* also used for linking up the free list */ + struct yaffs_ObjectStruct *parent; +- struct list_head siblings; ++ struct ylist_head siblings; + + /* Where's my object header in NAND? */ +- int chunkId; ++ int hdrChunk; + + int nDataChunks; /* Number of data chunks attached to the file. */ + +@@ -485,7 +491,7 @@ struct yaffs_ObjectList_struct { + typedef struct yaffs_ObjectList_struct yaffs_ObjectList; + + typedef struct { +- struct list_head list; ++ struct ylist_head list; + int count; + } yaffs_ObjectBucket; + +@@ -495,11 +501,10 @@ typedef struct { + */ + + typedef struct { +- int structType; ++ int structType; + __u32 objectId; + __u32 parentId; +- int chunkId; +- ++ int hdrChunk; + yaffs_ObjectType variantType:3; + __u8 deleted:1; + __u8 softDeleted:1; +@@ -511,8 +516,7 @@ typedef struct { + + int nDataChunks; + __u32 fileSizeOrEquivalentObjectId; +- +-}yaffs_CheckpointObject; ++} yaffs_CheckpointObject; + + /*--------------------- Temporary buffers ---------------- + * +@@ -528,13 +532,13 @@ typedef struct { + /*----------------- Device ---------------------------------*/ + + struct yaffs_DeviceStruct { +- struct list_head devList; ++ struct ylist_head devList; + const char *name; + + /* Entry parameters set up way early. Yaffs sets up the rest.*/ + int nDataBytesPerChunk; /* Should be a power of 2 >= 512 */ + int nChunksPerBlock; /* does not need to be a power of 2 */ +- int nBytesPerSpare; /* spare area size */ ++ int spareBytesPerChunk; /* spare area size */ + int startBlock; /* Start block we're allowed to use */ + int endBlock; /* End block we're allowed to use */ + int nReservedBlocks; /* We want this tuneable so that we can reduce */ +@@ -544,9 +548,7 @@ struct yaffs_DeviceStruct { + /* Stuff used by the shared space checkpointing mechanism */ + /* If this value is zero, then this mechanism is disabled */ + +- int nCheckpointReservedBlocks; /* Blocks to reserve for checkpoint data */ +- +- ++/* int nCheckpointReservedBlocks; */ /* Blocks to reserve for checkpoint data */ + + + int nShortOpCaches; /* If <= 0, then short op caching is disabled, else +@@ -560,30 +562,31 @@ struct yaffs_DeviceStruct { + void *genericDevice; /* Pointer to device context + * On an mtd this holds the mtd pointer. + */ +- void *superBlock; ++ void *superBlock; + + /* NAND access functions (Must be set before calling YAFFS)*/ + +- int (*writeChunkToNAND) (struct yaffs_DeviceStruct * dev, +- int chunkInNAND, const __u8 * data, +- const yaffs_Spare * spare); +- int (*readChunkFromNAND) (struct yaffs_DeviceStruct * dev, +- int chunkInNAND, __u8 * data, +- yaffs_Spare * spare); +- int (*eraseBlockInNAND) (struct yaffs_DeviceStruct * dev, +- int blockInNAND); +- int (*initialiseNAND) (struct yaffs_DeviceStruct * dev); ++ int (*writeChunkToNAND) (struct yaffs_DeviceStruct *dev, ++ int chunkInNAND, const __u8 *data, ++ const yaffs_Spare *spare); ++ int (*readChunkFromNAND) (struct yaffs_DeviceStruct *dev, ++ int chunkInNAND, __u8 *data, ++ yaffs_Spare *spare); ++ int (*eraseBlockInNAND) (struct yaffs_DeviceStruct *dev, ++ int blockInNAND); ++ int (*initialiseNAND) (struct yaffs_DeviceStruct *dev); ++ int (*deinitialiseNAND) (struct yaffs_DeviceStruct *dev); + + #ifdef CONFIG_YAFFS_YAFFS2 +- int (*writeChunkWithTagsToNAND) (struct yaffs_DeviceStruct * dev, +- int chunkInNAND, const __u8 * data, +- const yaffs_ExtendedTags * tags); +- int (*readChunkWithTagsFromNAND) (struct yaffs_DeviceStruct * dev, +- int chunkInNAND, __u8 * data, +- yaffs_ExtendedTags * tags); +- int (*markNANDBlockBad) (struct yaffs_DeviceStruct * dev, int blockNo); +- int (*queryNANDBlock) (struct yaffs_DeviceStruct * dev, int blockNo, +- yaffs_BlockState * state, int *sequenceNumber); ++ int (*writeChunkWithTagsToNAND) (struct yaffs_DeviceStruct *dev, ++ int chunkInNAND, const __u8 *data, ++ const yaffs_ExtendedTags *tags); ++ int (*readChunkWithTagsFromNAND) (struct yaffs_DeviceStruct *dev, ++ int chunkInNAND, __u8 *data, ++ yaffs_ExtendedTags *tags); ++ int (*markNANDBlockBad) (struct yaffs_DeviceStruct *dev, int blockNo); ++ int (*queryNANDBlock) (struct yaffs_DeviceStruct *dev, int blockNo, ++ yaffs_BlockState *state, __u32 *sequenceNumber); + #endif + + int isYaffs2; +@@ -595,10 +598,12 @@ struct yaffs_DeviceStruct { + void (*removeObjectCallback)(struct yaffs_ObjectStruct *obj); + + /* Callback to mark the superblock dirsty */ +- void (*markSuperBlockDirty)(void * superblock); ++ void (*markSuperBlockDirty)(void *superblock); + + int wideTnodesDisabled; /* Set to disable wide tnodes */ + ++ YCHAR *pathDividers; /* String of legal path dividers */ ++ + + /* End of stuff that must be set before initialisation. */ + +@@ -615,16 +620,14 @@ struct yaffs_DeviceStruct { + __u32 tnodeWidth; + __u32 tnodeMask; + +- /* Stuff to support various file offses to chunk/offset translations */ +- /* "Crumbs" for nDataBytesPerChunk not being a power of 2 */ +- __u32 crumbMask; +- __u32 crumbShift; +- __u32 crumbsPerChunk; +- +- /* Straight shifting for nDataBytesPerChunk being a power of 2 */ +- __u32 chunkShift; +- __u32 chunkMask; +- ++ /* Stuff for figuring out file offset to chunk conversions */ ++ __u32 chunkShift; /* Shift value */ ++ __u32 chunkDiv; /* Divisor after shifting: 1 for power-of-2 sizes */ ++ __u32 chunkMask; /* Mask to use for power-of-2 case */ ++ ++ /* Stuff to handle inband tags */ ++ int inbandTags; ++ __u32 totalBytesPerChunk; + + #ifdef __KERNEL__ + +@@ -633,7 +636,7 @@ struct yaffs_DeviceStruct { + __u8 *spareBuffer; /* For mtdif2 use. Don't know the size of the buffer + * at compile time so we have to allocate it. + */ +- void (*putSuperFunc) (struct super_block * sb); ++ void (*putSuperFunc) (struct super_block *sb); + #endif + + int isMounted; +@@ -663,6 +666,8 @@ struct yaffs_DeviceStruct { + __u32 checkpointSum; + __u32 checkpointXor; + ++ int nCheckpointBlocksRequired; /* Number of blocks needed to store current checkpoint set */ ++ + /* Block Info */ + yaffs_BlockInfo *blockInfo; + __u8 *chunkBits; /* bitmap of chunks in use */ +@@ -684,11 +689,15 @@ struct yaffs_DeviceStruct { + yaffs_TnodeList *allocatedTnodeList; + + int isDoingGC; ++ int gcBlock; ++ int gcChunk; + + int nObjectsCreated; + yaffs_Object *freeObjects; + int nFreeObjects; + ++ int nHardLinks; ++ + yaffs_ObjectList *allocatedObjectList; + + yaffs_ObjectBucket objectBucket[YAFFS_NOBJECT_BUCKETS]; +@@ -745,8 +754,10 @@ struct yaffs_DeviceStruct { + int nBackgroundDeletions; /* Count of background deletions. */ + + ++ /* Temporary buffer management */ + yaffs_TempBuffer tempBuffer[YAFFS_N_TEMP_BUFFERS]; + int maxTemp; ++ int tempInUse; + int unmanagedTempAllocations; + int unmanagedTempDeallocations; + +@@ -758,9 +769,9 @@ struct yaffs_DeviceStruct { + + typedef struct yaffs_DeviceStruct yaffs_Device; + +-/* The static layout of bllock usage etc is stored in the super block header */ ++/* The static layout of block usage etc is stored in the super block header */ + typedef struct { +- int StructType; ++ int StructType; + int version; + int checkpointStartBlock; + int checkpointEndBlock; +@@ -773,7 +784,7 @@ typedef struct { + * must be preserved over unmount/mount cycles. + */ + typedef struct { +- int structType; ++ int structType; + int nErasedBlocks; + int allocationBlock; /* Current block being allocated off */ + __u32 allocationPage; +@@ -791,57 +802,45 @@ typedef struct { + + + typedef struct { +- int structType; +- __u32 magic; +- __u32 version; +- __u32 head; ++ int structType; ++ __u32 magic; ++ __u32 version; ++ __u32 head; + } yaffs_CheckpointValidity; + +-/* Function to manipulate block info */ +-static Y_INLINE yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device * dev, int blk) +-{ +- if (blk < dev->internalStartBlock || blk > dev->internalEndBlock) { +- T(YAFFS_TRACE_ERROR, +- (TSTR +- ("**>> yaffs: getBlockInfo block %d is not valid" TENDSTR), +- blk)); +- YBUG(); +- } +- return &dev->blockInfo[blk - dev->internalStartBlock]; +-} + + /*----------------------- YAFFS Functions -----------------------*/ + +-int yaffs_GutsInitialise(yaffs_Device * dev); +-void yaffs_Deinitialise(yaffs_Device * dev); ++int yaffs_GutsInitialise(yaffs_Device *dev); ++void yaffs_Deinitialise(yaffs_Device *dev); + +-int yaffs_GetNumberOfFreeChunks(yaffs_Device * dev); ++int yaffs_GetNumberOfFreeChunks(yaffs_Device *dev); + +-int yaffs_RenameObject(yaffs_Object * oldDir, const YCHAR * oldName, +- yaffs_Object * newDir, const YCHAR * newName); ++int yaffs_RenameObject(yaffs_Object *oldDir, const YCHAR *oldName, ++ yaffs_Object *newDir, const YCHAR *newName); + +-int yaffs_Unlink(yaffs_Object * dir, const YCHAR * name); +-int yaffs_DeleteFile(yaffs_Object * obj); ++int yaffs_Unlink(yaffs_Object *dir, const YCHAR *name); ++int yaffs_DeleteObject(yaffs_Object *obj); + +-int yaffs_GetObjectName(yaffs_Object * obj, YCHAR * name, int buffSize); +-int yaffs_GetObjectFileLength(yaffs_Object * obj); +-int yaffs_GetObjectInode(yaffs_Object * obj); +-unsigned yaffs_GetObjectType(yaffs_Object * obj); +-int yaffs_GetObjectLinkCount(yaffs_Object * obj); ++int yaffs_GetObjectName(yaffs_Object *obj, YCHAR *name, int buffSize); ++int yaffs_GetObjectFileLength(yaffs_Object *obj); ++int yaffs_GetObjectInode(yaffs_Object *obj); ++unsigned yaffs_GetObjectType(yaffs_Object *obj); ++int yaffs_GetObjectLinkCount(yaffs_Object *obj); + +-int yaffs_SetAttributes(yaffs_Object * obj, struct iattr *attr); +-int yaffs_GetAttributes(yaffs_Object * obj, struct iattr *attr); ++int yaffs_SetAttributes(yaffs_Object *obj, struct iattr *attr); ++int yaffs_GetAttributes(yaffs_Object *obj, struct iattr *attr); + + /* File operations */ +-int yaffs_ReadDataFromFile(yaffs_Object * obj, __u8 * buffer, loff_t offset, +- int nBytes); +-int yaffs_WriteDataToFile(yaffs_Object * obj, const __u8 * buffer, loff_t offset, +- int nBytes, int writeThrough); +-int yaffs_ResizeFile(yaffs_Object * obj, loff_t newSize); +- +-yaffs_Object *yaffs_MknodFile(yaffs_Object * parent, const YCHAR * name, +- __u32 mode, __u32 uid, __u32 gid); +-int yaffs_FlushFile(yaffs_Object * obj, int updateTime); ++int yaffs_ReadDataFromFile(yaffs_Object *obj, __u8 *buffer, loff_t offset, ++ int nBytes); ++int yaffs_WriteDataToFile(yaffs_Object *obj, const __u8 *buffer, loff_t offset, ++ int nBytes, int writeThrough); ++int yaffs_ResizeFile(yaffs_Object *obj, loff_t newSize); ++ ++yaffs_Object *yaffs_MknodFile(yaffs_Object *parent, const YCHAR *name, ++ __u32 mode, __u32 uid, __u32 gid); ++int yaffs_FlushFile(yaffs_Object *obj, int updateTime); + + /* Flushing and checkpointing */ + void yaffs_FlushEntireDeviceCache(yaffs_Device *dev); +@@ -850,33 +849,33 @@ int yaffs_CheckpointSave(yaffs_Device *d + int yaffs_CheckpointRestore(yaffs_Device *dev); + + /* Directory operations */ +-yaffs_Object *yaffs_MknodDirectory(yaffs_Object * parent, const YCHAR * name, +- __u32 mode, __u32 uid, __u32 gid); +-yaffs_Object *yaffs_FindObjectByName(yaffs_Object * theDir, const YCHAR * name); +-int yaffs_ApplyToDirectoryChildren(yaffs_Object * theDir, ++yaffs_Object *yaffs_MknodDirectory(yaffs_Object *parent, const YCHAR *name, ++ __u32 mode, __u32 uid, __u32 gid); ++yaffs_Object *yaffs_FindObjectByName(yaffs_Object *theDir, const YCHAR *name); ++int yaffs_ApplyToDirectoryChildren(yaffs_Object *theDir, + int (*fn) (yaffs_Object *)); + +-yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device * dev, __u32 number); ++yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device *dev, __u32 number); + + /* Link operations */ +-yaffs_Object *yaffs_Link(yaffs_Object * parent, const YCHAR * name, +- yaffs_Object * equivalentObject); ++yaffs_Object *yaffs_Link(yaffs_Object *parent, const YCHAR *name, ++ yaffs_Object *equivalentObject); + +-yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object * obj); ++yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object *obj); + + /* Symlink operations */ +-yaffs_Object *yaffs_MknodSymLink(yaffs_Object * parent, const YCHAR * name, ++yaffs_Object *yaffs_MknodSymLink(yaffs_Object *parent, const YCHAR *name, + __u32 mode, __u32 uid, __u32 gid, +- const YCHAR * alias); +-YCHAR *yaffs_GetSymlinkAlias(yaffs_Object * obj); ++ const YCHAR *alias); ++YCHAR *yaffs_GetSymlinkAlias(yaffs_Object *obj); + + /* Special inodes (fifos, sockets and devices) */ +-yaffs_Object *yaffs_MknodSpecial(yaffs_Object * parent, const YCHAR * name, ++yaffs_Object *yaffs_MknodSpecial(yaffs_Object *parent, const YCHAR *name, + __u32 mode, __u32 uid, __u32 gid, __u32 rdev); + + /* Special directories */ +-yaffs_Object *yaffs_Root(yaffs_Device * dev); +-yaffs_Object *yaffs_LostNFound(yaffs_Device * dev); ++yaffs_Object *yaffs_Root(yaffs_Device *dev); ++yaffs_Object *yaffs_LostNFound(yaffs_Device *dev); + + #ifdef CONFIG_YAFFS_WINCE + /* CONFIG_YAFFS_WINCE special stuff */ +@@ -885,18 +884,21 @@ void yfsd_WinFileTimeNow(__u32 target[2] + + #ifdef __KERNEL__ + +-void yaffs_HandleDeferedFree(yaffs_Object * obj); ++void yaffs_HandleDeferedFree(yaffs_Object *obj); + #endif + + /* Debug dump */ +-int yaffs_DumpObject(yaffs_Object * obj); ++int yaffs_DumpObject(yaffs_Object *obj); + +-void yaffs_GutsTest(yaffs_Device * dev); ++void yaffs_GutsTest(yaffs_Device *dev); + + /* A few useful functions */ +-void yaffs_InitialiseTags(yaffs_ExtendedTags * tags); +-void yaffs_DeleteChunk(yaffs_Device * dev, int chunkId, int markNAND, int lyn); +-int yaffs_CheckFF(__u8 * buffer, int nBytes); ++void yaffs_InitialiseTags(yaffs_ExtendedTags *tags); ++void yaffs_DeleteChunk(yaffs_Device *dev, int chunkId, int markNAND, int lyn); ++int yaffs_CheckFF(__u8 *buffer, int nBytes); + void yaffs_HandleChunkError(yaffs_Device *dev, yaffs_BlockInfo *bi); + ++__u8 *yaffs_GetTempBuffer(yaffs_Device *dev, int lineNo); ++void yaffs_ReleaseTempBuffer(yaffs_Device *dev, __u8 *buffer, int lineNo); ++ + #endif +--- a/fs/yaffs2/yaffs_mtdif1.c ++++ b/fs/yaffs2/yaffs_mtdif1.c +@@ -26,7 +26,7 @@ + #include "yportenv.h" + #include "yaffs_guts.h" + #include "yaffs_packedtags1.h" +-#include "yaffs_tagscompat.h" // for yaffs_CalcTagsECC ++#include "yaffs_tagscompat.h" /* for yaffs_CalcTagsECC */ + + #include "linux/kernel.h" + #include "linux/version.h" +@@ -34,9 +34,9 @@ + #include "linux/mtd/mtd.h" + + /* Don't compile this module if we don't have MTD's mtd_oob_ops interface */ +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) ++#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) + +-const char *yaffs_mtdif1_c_version = "$Id: yaffs_mtdif1.c,v 1.3 2007/05/15 20:16:11 ian Exp $"; ++const char *yaffs_mtdif1_c_version = "$Id: yaffs_mtdif1.c,v 1.10 2009-03-09 07:41:10 charles Exp $"; + + #ifndef CONFIG_YAFFS_9BYTE_TAGS + # define YTAG1_SIZE 8 +@@ -89,9 +89,9 @@ static struct nand_ecclayout nand_oob_16 + * Returns YAFFS_OK or YAFFS_FAIL. + */ + int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device *dev, +- int chunkInNAND, const __u8 * data, const yaffs_ExtendedTags * etags) ++ int chunkInNAND, const __u8 *data, const yaffs_ExtendedTags *etags) + { +- struct mtd_info * mtd = dev->genericDevice; ++ struct mtd_info *mtd = dev->genericDevice; + int chunkBytes = dev->nDataBytesPerChunk; + loff_t addr = ((loff_t)chunkInNAND) * chunkBytes; + struct mtd_oob_ops ops; +@@ -146,7 +146,7 @@ int nandmtd1_WriteChunkWithTagsToNAND(ya + + /* Return with empty ExtendedTags but add eccResult. + */ +-static int rettags(yaffs_ExtendedTags * etags, int eccResult, int retval) ++static int rettags(yaffs_ExtendedTags *etags, int eccResult, int retval) + { + if (etags) { + memset(etags, 0, sizeof(*etags)); +@@ -169,9 +169,9 @@ static int rettags(yaffs_ExtendedTags * + * Returns YAFFS_OK or YAFFS_FAIL. + */ + int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device *dev, +- int chunkInNAND, __u8 * data, yaffs_ExtendedTags * etags) ++ int chunkInNAND, __u8 *data, yaffs_ExtendedTags *etags) + { +- struct mtd_info * mtd = dev->genericDevice; ++ struct mtd_info *mtd = dev->genericDevice; + int chunkBytes = dev->nDataBytesPerChunk; + loff_t addr = ((loff_t)chunkInNAND) * chunkBytes; + int eccres = YAFFS_ECC_RESULT_NO_ERROR; +@@ -189,7 +189,7 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y + ops.datbuf = data; + ops.oobbuf = (__u8 *)&pt1; + +-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)) ++#if (MTD_VERSION_CODE < MTD_VERSION(2, 6, 20)) + /* In MTD 2.6.18 to 2.6.19 nand_base.c:nand_do_read_oob() has a bug; + * help it out with ops.len = ops.ooblen when ops.datbuf == NULL. + */ +@@ -284,11 +284,11 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y + */ + int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo) + { +- struct mtd_info * mtd = dev->genericDevice; ++ struct mtd_info *mtd = dev->genericDevice; + int blocksize = dev->nChunksPerBlock * dev->nDataBytesPerChunk; + int retval; + +- yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, "marking block %d bad", blockNo); ++ yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, "marking block %d bad\n", blockNo); + + retval = mtd->block_markbad(mtd, (loff_t)blocksize * blockNo); + return (retval) ? YAFFS_FAIL : YAFFS_OK; +@@ -298,7 +298,7 @@ int nandmtd1_MarkNANDBlockBad(struct yaf + * + * Returns YAFFS_OK or YAFFS_FAIL. + */ +-static int nandmtd1_TestPrerequists(struct mtd_info * mtd) ++static int nandmtd1_TestPrerequists(struct mtd_info *mtd) + { + /* 2.6.18 has mtd->ecclayout->oobavail */ + /* 2.6.21 has mtd->ecclayout->oobavail and mtd->oobavail */ +@@ -323,10 +323,11 @@ static int nandmtd1_TestPrerequists(stru + * Always returns YAFFS_OK. + */ + int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, +- yaffs_BlockState * pState, int *pSequenceNumber) ++ yaffs_BlockState *pState, __u32 *pSequenceNumber) + { +- struct mtd_info * mtd = dev->genericDevice; ++ struct mtd_info *mtd = dev->genericDevice; + int chunkNo = blockNo * dev->nChunksPerBlock; ++ loff_t addr = (loff_t)chunkNo * dev->nDataBytesPerChunk; + yaffs_ExtendedTags etags; + int state = YAFFS_BLOCK_STATE_DEAD; + int seqnum = 0; +@@ -335,21 +336,22 @@ int nandmtd1_QueryNANDBlock(struct yaffs + /* We don't yet have a good place to test for MTD config prerequists. + * Do it here as we are called during the initial scan. + */ +- if (nandmtd1_TestPrerequists(mtd) != YAFFS_OK) { ++ if (nandmtd1_TestPrerequists(mtd) != YAFFS_OK) + return YAFFS_FAIL; +- } + + retval = nandmtd1_ReadChunkWithTagsFromNAND(dev, chunkNo, NULL, &etags); ++ etags.blockBad = (mtd->block_isbad)(mtd, addr); + if (etags.blockBad) { + yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, +- "block %d is marked bad", blockNo); ++ "block %d is marked bad\n", blockNo); + state = YAFFS_BLOCK_STATE_DEAD; +- } +- else if (etags.chunkUsed) { ++ } else if (etags.eccResult != YAFFS_ECC_RESULT_NO_ERROR) { ++ /* bad tags, need to look more closely */ ++ state = YAFFS_BLOCK_STATE_NEEDS_SCANNING; ++ } else if (etags.chunkUsed) { + state = YAFFS_BLOCK_STATE_NEEDS_SCANNING; + seqnum = etags.sequenceNumber; +- } +- else { ++ } else { + state = YAFFS_BLOCK_STATE_EMPTY; + } + +@@ -360,4 +362,4 @@ int nandmtd1_QueryNANDBlock(struct yaffs + return YAFFS_OK; + } + +-#endif /*KERNEL_VERSION*/ ++#endif /*MTD_VERSION*/ +--- a/fs/yaffs2/yaffs_mtdif1.h ++++ b/fs/yaffs2/yaffs_mtdif1.h +@@ -14,15 +14,15 @@ + #ifndef __YAFFS_MTDIF1_H__ + #define __YAFFS_MTDIF1_H__ + +-int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device * dev, int chunkInNAND, +- const __u8 * data, const yaffs_ExtendedTags * tags); ++int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND, ++ const __u8 *data, const yaffs_ExtendedTags *tags); + +-int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND, +- __u8 * data, yaffs_ExtendedTags * tags); ++int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, ++ __u8 *data, yaffs_ExtendedTags *tags); + + int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo); + + int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, +- yaffs_BlockState * state, int *sequenceNumber); ++ yaffs_BlockState *state, __u32 *sequenceNumber); + + #endif +--- a/fs/yaffs2/yaffs_mtdif2.c ++++ b/fs/yaffs2/yaffs_mtdif2.c +@@ -14,7 +14,7 @@ + /* mtd interface for YAFFS2 */ + + const char *yaffs_mtdif2_c_version = +- "$Id: yaffs_mtdif2.c,v 1.17 2007-02-14 01:09:06 wookey Exp $"; ++ "$Id: yaffs_mtdif2.c,v 1.23 2009-03-06 17:20:53 wookey Exp $"; + + #include "yportenv.h" + +@@ -27,19 +27,23 @@ const char *yaffs_mtdif2_c_version = + + #include "yaffs_packedtags2.h" + +-int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device * dev, int chunkInNAND, +- const __u8 * data, +- const yaffs_ExtendedTags * tags) ++/* NB For use with inband tags.... ++ * We assume that the data buffer is of size totalBytersPerChunk so that we can also ++ * use it to load the tags. ++ */ ++int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND, ++ const __u8 *data, ++ const yaffs_ExtendedTags *tags) + { + struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) ++#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) + struct mtd_oob_ops ops; + #else + size_t dummy; + #endif + int retval = 0; + +- loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk; ++ loff_t addr; + + yaffs_PackedTags2 pt; + +@@ -48,46 +52,40 @@ int nandmtd2_WriteChunkWithTagsToNAND(ya + ("nandmtd2_WriteChunkWithTagsToNAND chunk %d data %p tags %p" + TENDSTR), chunkInNAND, data, tags)); + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) +- if (tags) +- yaffs_PackTags2(&pt, tags); +- else +- BUG(); /* both tags and data should always be present */ + +- if (data) { +- ops.mode = MTD_OOB_AUTO; +- ops.ooblen = sizeof(pt); +- ops.len = dev->nDataBytesPerChunk; +- ops.ooboffs = 0; +- ops.datbuf = (__u8 *)data; +- ops.oobbuf = (void *)&pt; +- retval = mtd->write_oob(mtd, addr, &ops); ++ addr = ((loff_t) chunkInNAND) * dev->totalBytesPerChunk; ++ ++ /* For yaffs2 writing there must be both data and tags. ++ * If we're using inband tags, then the tags are stuffed into ++ * the end of the data buffer. ++ */ ++ if (!data || !tags) ++ BUG(); ++ else if (dev->inbandTags) { ++ yaffs_PackedTags2TagsPart *pt2tp; ++ pt2tp = (yaffs_PackedTags2TagsPart *)(data + dev->nDataBytesPerChunk); ++ yaffs_PackTags2TagsPart(pt2tp, tags); + } else +- BUG(); /* both tags and data should always be present */ +-#else +- if (tags) { + yaffs_PackTags2(&pt, tags); +- } + +- if (data && tags) { +- if (dev->useNANDECC) +- retval = +- mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk, +- &dummy, data, (__u8 *) & pt, NULL); +- else +- retval = +- mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk, +- &dummy, data, (__u8 *) & pt, NULL); +- } else { +- if (data) +- retval = +- mtd->write(mtd, addr, dev->nDataBytesPerChunk, &dummy, +- data); +- if (tags) +- retval = +- mtd->write_oob(mtd, addr, mtd->oobsize, &dummy, +- (__u8 *) & pt); ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++ ops.mode = MTD_OOB_AUTO; ++ ops.ooblen = (dev->inbandTags) ? 0 : sizeof(pt); ++ ops.len = dev->totalBytesPerChunk; ++ ops.ooboffs = 0; ++ ops.datbuf = (__u8 *)data; ++ ops.oobbuf = (dev->inbandTags) ? NULL : (void *)&pt; ++ retval = mtd->write_oob(mtd, addr, &ops); + ++#else ++ if (!dev->inbandTags) { ++ retval = ++ mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk, ++ &dummy, data, (__u8 *) &pt, NULL); ++ } else { ++ retval = ++ mtd->write(mtd, addr, dev->totalBytesPerChunk, &dummy, ++ data); + } + #endif + +@@ -97,17 +95,18 @@ int nandmtd2_WriteChunkWithTagsToNAND(ya + return YAFFS_FAIL; + } + +-int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND, +- __u8 * data, yaffs_ExtendedTags * tags) ++int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, ++ __u8 *data, yaffs_ExtendedTags *tags) + { + struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) ++#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) + struct mtd_oob_ops ops; + #endif + size_t dummy; + int retval = 0; ++ int localData = 0; + +- loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk; ++ loff_t addr = ((loff_t) chunkInNAND) * dev->totalBytesPerChunk; + + yaffs_PackedTags2 pt; + +@@ -116,9 +115,20 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y + ("nandmtd2_ReadChunkWithTagsFromNAND chunk %d data %p tags %p" + TENDSTR), chunkInNAND, data, tags)); + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) +- if (data && !tags) +- retval = mtd->read(mtd, addr, dev->nDataBytesPerChunk, ++ if (dev->inbandTags) { ++ ++ if (!data) { ++ localData = 1; ++ data = yaffs_GetTempBuffer(dev, __LINE__); ++ } ++ ++ ++ } ++ ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++ if (dev->inbandTags || (data && !tags)) ++ retval = mtd->read(mtd, addr, dev->totalBytesPerChunk, + &dummy, data); + else if (tags) { + ops.mode = MTD_OOB_AUTO; +@@ -130,38 +140,42 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y + retval = mtd->read_oob(mtd, addr, &ops); + } + #else +- if (data && tags) { +- if (dev->useNANDECC) { +- retval = +- mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk, +- &dummy, data, dev->spareBuffer, +- NULL); +- } else { +- retval = +- mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk, ++ if (!dev->inbandTags && data && tags) { ++ ++ retval = mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk, + &dummy, data, dev->spareBuffer, + NULL); +- } + } else { + if (data) + retval = + mtd->read(mtd, addr, dev->nDataBytesPerChunk, &dummy, + data); +- if (tags) ++ if (!dev->inbandTags && tags) + retval = + mtd->read_oob(mtd, addr, mtd->oobsize, &dummy, + dev->spareBuffer); + } + #endif + +- memcpy(&pt, dev->spareBuffer, sizeof(pt)); + +- if (tags) +- yaffs_UnpackTags2(tags, &pt); ++ if (dev->inbandTags) { ++ if (tags) { ++ yaffs_PackedTags2TagsPart *pt2tp; ++ pt2tp = (yaffs_PackedTags2TagsPart *)&data[dev->nDataBytesPerChunk]; ++ yaffs_UnpackTags2TagsPart(tags, pt2tp); ++ } ++ } else { ++ if (tags) { ++ memcpy(&pt, dev->spareBuffer, sizeof(pt)); ++ yaffs_UnpackTags2(tags, &pt); ++ } ++ } ++ ++ if (localData) ++ yaffs_ReleaseTempBuffer(dev, data, __LINE__); + +- if(tags && retval == -EBADMSG && tags->eccResult == YAFFS_ECC_RESULT_NO_ERROR) ++ if (tags && retval == -EBADMSG && tags->eccResult == YAFFS_ECC_RESULT_NO_ERROR) + tags->eccResult = YAFFS_ECC_RESULT_UNFIXED; +- + if (retval == 0) + return YAFFS_OK; + else +@@ -178,7 +192,7 @@ int nandmtd2_MarkNANDBlockBad(struct yaf + retval = + mtd->block_markbad(mtd, + blockNo * dev->nChunksPerBlock * +- dev->nDataBytesPerChunk); ++ dev->totalBytesPerChunk); + + if (retval == 0) + return YAFFS_OK; +@@ -188,7 +202,7 @@ int nandmtd2_MarkNANDBlockBad(struct yaf + } + + int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, +- yaffs_BlockState * state, int *sequenceNumber) ++ yaffs_BlockState *state, __u32 *sequenceNumber) + { + struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); + int retval; +@@ -198,7 +212,7 @@ int nandmtd2_QueryNANDBlock(struct yaffs + retval = + mtd->block_isbad(mtd, + blockNo * dev->nChunksPerBlock * +- dev->nDataBytesPerChunk); ++ dev->totalBytesPerChunk); + + if (retval) { + T(YAFFS_TRACE_MTD, (TSTR("block is bad" TENDSTR))); +--- a/fs/yaffs2/yaffs_mtdif2.h ++++ b/fs/yaffs2/yaffs_mtdif2.h +@@ -17,13 +17,13 @@ + #define __YAFFS_MTDIF2_H__ + + #include "yaffs_guts.h" +-int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device * dev, int chunkInNAND, +- const __u8 * data, +- const yaffs_ExtendedTags * tags); +-int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND, +- __u8 * data, yaffs_ExtendedTags * tags); ++int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND, ++ const __u8 *data, ++ const yaffs_ExtendedTags *tags); ++int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, ++ __u8 *data, yaffs_ExtendedTags *tags); + int nandmtd2_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo); + int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, +- yaffs_BlockState * state, int *sequenceNumber); ++ yaffs_BlockState *state, __u32 *sequenceNumber); + + #endif +--- a/fs/yaffs2/yaffs_mtdif.c ++++ b/fs/yaffs2/yaffs_mtdif.c +@@ -12,7 +12,7 @@ + */ + + const char *yaffs_mtdif_c_version = +- "$Id: yaffs_mtdif.c,v 1.19 2007-02-14 01:09:06 wookey Exp $"; ++ "$Id: yaffs_mtdif.c,v 1.22 2009-03-06 17:20:51 wookey Exp $"; + + #include "yportenv.h" + +@@ -24,7 +24,7 @@ const char *yaffs_mtdif_c_version = + #include "linux/time.h" + #include "linux/mtd/nand.h" + +-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)) ++#if (MTD_VERSION_CODE < MTD_VERSION(2, 6, 18)) + static struct nand_oobinfo yaffs_oobinfo = { + .useecc = 1, + .eccbytes = 6, +@@ -36,7 +36,7 @@ static struct nand_oobinfo yaffs_noeccin + }; + #endif + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) ++#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) + static inline void translate_spare2oob(const yaffs_Spare *spare, __u8 *oob) + { + oob[0] = spare->tagByte0; +@@ -45,8 +45,8 @@ static inline void translate_spare2oob(c + oob[3] = spare->tagByte3; + oob[4] = spare->tagByte4; + oob[5] = spare->tagByte5 & 0x3f; +- oob[5] |= spare->blockStatus == 'Y' ? 0: 0x80; +- oob[5] |= spare->pageStatus == 0 ? 0: 0x40; ++ oob[5] |= spare->blockStatus == 'Y' ? 0 : 0x80; ++ oob[5] |= spare->pageStatus == 0 ? 0 : 0x40; + oob[6] = spare->tagByte6; + oob[7] = spare->tagByte7; + } +@@ -71,18 +71,18 @@ static inline void translate_oob2spare(y + } + #endif + +-int nandmtd_WriteChunkToNAND(yaffs_Device * dev, int chunkInNAND, +- const __u8 * data, const yaffs_Spare * spare) ++int nandmtd_WriteChunkToNAND(yaffs_Device *dev, int chunkInNAND, ++ const __u8 *data, const yaffs_Spare *spare) + { + struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) ++#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) + struct mtd_oob_ops ops; + #endif + size_t dummy; + int retval = 0; + + loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk; +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) ++#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) + __u8 spareAsBytes[8]; /* OOB */ + + if (data && !spare) +@@ -135,18 +135,18 @@ int nandmtd_WriteChunkToNAND(yaffs_Devic + return YAFFS_FAIL; + } + +-int nandmtd_ReadChunkFromNAND(yaffs_Device * dev, int chunkInNAND, __u8 * data, +- yaffs_Spare * spare) ++int nandmtd_ReadChunkFromNAND(yaffs_Device *dev, int chunkInNAND, __u8 *data, ++ yaffs_Spare *spare) + { + struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) ++#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) + struct mtd_oob_ops ops; + #endif + size_t dummy; + int retval = 0; + + loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk; +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) ++#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) + __u8 spareAsBytes[8]; /* OOB */ + + if (data && !spare) +@@ -205,7 +205,7 @@ int nandmtd_ReadChunkFromNAND(yaffs_Devi + return YAFFS_FAIL; + } + +-int nandmtd_EraseBlockInNAND(yaffs_Device * dev, int blockNumber) ++int nandmtd_EraseBlockInNAND(yaffs_Device *dev, int blockNumber) + { + struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); + __u32 addr = +@@ -234,7 +234,7 @@ int nandmtd_EraseBlockInNAND(yaffs_Devic + return YAFFS_FAIL; + } + +-int nandmtd_InitialiseNAND(yaffs_Device * dev) ++int nandmtd_InitialiseNAND(yaffs_Device *dev) + { + return YAFFS_OK; + } +--- a/fs/yaffs2/yaffs_mtdif.h ++++ b/fs/yaffs2/yaffs_mtdif.h +@@ -18,10 +18,15 @@ + + #include "yaffs_guts.h" + +-int nandmtd_WriteChunkToNAND(yaffs_Device * dev, int chunkInNAND, +- const __u8 * data, const yaffs_Spare * spare); +-int nandmtd_ReadChunkFromNAND(yaffs_Device * dev, int chunkInNAND, __u8 * data, +- yaffs_Spare * spare); +-int nandmtd_EraseBlockInNAND(yaffs_Device * dev, int blockNumber); +-int nandmtd_InitialiseNAND(yaffs_Device * dev); ++#if (MTD_VERSION_CODE < MTD_VERSION(2, 6, 18)) ++extern struct nand_oobinfo yaffs_oobinfo; ++extern struct nand_oobinfo yaffs_noeccinfo; ++#endif ++ ++int nandmtd_WriteChunkToNAND(yaffs_Device *dev, int chunkInNAND, ++ const __u8 *data, const yaffs_Spare *spare); ++int nandmtd_ReadChunkFromNAND(yaffs_Device *dev, int chunkInNAND, __u8 *data, ++ yaffs_Spare *spare); ++int nandmtd_EraseBlockInNAND(yaffs_Device *dev, int blockNumber); ++int nandmtd_InitialiseNAND(yaffs_Device *dev); + #endif +--- a/fs/yaffs2/yaffs_nand.c ++++ b/fs/yaffs2/yaffs_nand.c +@@ -12,16 +12,17 @@ + */ + + const char *yaffs_nand_c_version = +- "$Id: yaffs_nand.c,v 1.7 2007-02-14 01:09:06 wookey Exp $"; ++ "$Id: yaffs_nand.c,v 1.10 2009-03-06 17:20:54 wookey Exp $"; + + #include "yaffs_nand.h" + #include "yaffs_tagscompat.h" + #include "yaffs_tagsvalidity.h" + ++#include "yaffs_getblockinfo.h" + +-int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND, +- __u8 * buffer, +- yaffs_ExtendedTags * tags) ++int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, ++ __u8 *buffer, ++ yaffs_ExtendedTags *tags) + { + int result; + yaffs_ExtendedTags localTags; +@@ -29,7 +30,7 @@ int yaffs_ReadChunkWithTagsFromNAND(yaff + int realignedChunkInNAND = chunkInNAND - dev->chunkOffset; + + /* If there are no tags provided, use local tags to get prioritised gc working */ +- if(!tags) ++ if (!tags) + tags = &localTags; + + if (dev->readChunkWithTagsFromNAND) +@@ -40,20 +41,20 @@ int yaffs_ReadChunkWithTagsFromNAND(yaff + realignedChunkInNAND, + buffer, + tags); +- if(tags && +- tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR){ ++ if (tags && ++ tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR) { + + yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, chunkInNAND/dev->nChunksPerBlock); +- yaffs_HandleChunkError(dev,bi); ++ yaffs_HandleChunkError(dev, bi); + } + + return result; + } + +-int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev, ++int yaffs_WriteChunkWithTagsToNAND(yaffs_Device *dev, + int chunkInNAND, +- const __u8 * buffer, +- yaffs_ExtendedTags * tags) ++ const __u8 *buffer, ++ yaffs_ExtendedTags *tags) + { + chunkInNAND -= dev->chunkOffset; + +@@ -84,7 +85,7 @@ int yaffs_WriteChunkWithTagsToNAND(yaffs + tags); + } + +-int yaffs_MarkBlockBad(yaffs_Device * dev, int blockNo) ++int yaffs_MarkBlockBad(yaffs_Device *dev, int blockNo) + { + blockNo -= dev->blockOffset; + +@@ -95,10 +96,10 @@ int yaffs_MarkBlockBad(yaffs_Device * de + return yaffs_TagsCompatabilityMarkNANDBlockBad(dev, blockNo); + } + +-int yaffs_QueryInitialBlockState(yaffs_Device * dev, ++int yaffs_QueryInitialBlockState(yaffs_Device *dev, + int blockNo, +- yaffs_BlockState * state, +- unsigned *sequenceNumber) ++ yaffs_BlockState *state, ++ __u32 *sequenceNumber) + { + blockNo -= dev->blockOffset; + +--- a/fs/yaffs2/yaffs_nandemul2k.h ++++ b/fs/yaffs2/yaffs_nandemul2k.h +@@ -21,14 +21,14 @@ + #include "yaffs_guts.h" + + int nandemul2k_WriteChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev, +- int chunkInNAND, const __u8 * data, +- yaffs_ExtendedTags * tags); ++ int chunkInNAND, const __u8 *data, ++ const yaffs_ExtendedTags *tags); + int nandemul2k_ReadChunkWithTagsFromNAND(struct yaffs_DeviceStruct *dev, +- int chunkInNAND, __u8 * data, +- yaffs_ExtendedTags * tags); ++ int chunkInNAND, __u8 *data, ++ yaffs_ExtendedTags *tags); + int nandemul2k_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo); + int nandemul2k_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, +- yaffs_BlockState * state, int *sequenceNumber); ++ yaffs_BlockState *state, __u32 *sequenceNumber); + int nandemul2k_EraseBlockInNAND(struct yaffs_DeviceStruct *dev, + int blockInNAND); + int nandemul2k_InitialiseNAND(struct yaffs_DeviceStruct *dev); +--- a/fs/yaffs2/yaffs_nand.h ++++ b/fs/yaffs2/yaffs_nand.h +@@ -19,21 +19,21 @@ + + + +-int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND, +- __u8 * buffer, +- yaffs_ExtendedTags * tags); +- +-int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev, +- int chunkInNAND, +- const __u8 * buffer, +- yaffs_ExtendedTags * tags); +- +-int yaffs_MarkBlockBad(yaffs_Device * dev, int blockNo); +- +-int yaffs_QueryInitialBlockState(yaffs_Device * dev, +- int blockNo, +- yaffs_BlockState * state, +- unsigned *sequenceNumber); ++int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, ++ __u8 *buffer, ++ yaffs_ExtendedTags *tags); ++ ++int yaffs_WriteChunkWithTagsToNAND(yaffs_Device *dev, ++ int chunkInNAND, ++ const __u8 *buffer, ++ yaffs_ExtendedTags *tags); ++ ++int yaffs_MarkBlockBad(yaffs_Device *dev, int blockNo); ++ ++int yaffs_QueryInitialBlockState(yaffs_Device *dev, ++ int blockNo, ++ yaffs_BlockState *state, ++ unsigned *sequenceNumber); + + int yaffs_EraseBlockInNAND(struct yaffs_DeviceStruct *dev, + int blockInNAND); +--- a/fs/yaffs2/yaffs_packedtags1.c ++++ b/fs/yaffs2/yaffs_packedtags1.c +@@ -14,7 +14,7 @@ + #include "yaffs_packedtags1.h" + #include "yportenv.h" + +-void yaffs_PackTags1(yaffs_PackedTags1 * pt, const yaffs_ExtendedTags * t) ++void yaffs_PackTags1(yaffs_PackedTags1 *pt, const yaffs_ExtendedTags *t) + { + pt->chunkId = t->chunkId; + pt->serialNumber = t->serialNumber; +@@ -27,7 +27,7 @@ void yaffs_PackTags1(yaffs_PackedTags1 * + + } + +-void yaffs_UnpackTags1(yaffs_ExtendedTags * t, const yaffs_PackedTags1 * pt) ++void yaffs_UnpackTags1(yaffs_ExtendedTags *t, const yaffs_PackedTags1 *pt) + { + static const __u8 allFF[] = + { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, +@@ -35,9 +35,8 @@ void yaffs_UnpackTags1(yaffs_ExtendedTag + + if (memcmp(allFF, pt, sizeof(yaffs_PackedTags1))) { + t->blockBad = 0; +- if (pt->shouldBeFF != 0xFFFFFFFF) { ++ if (pt->shouldBeFF != 0xFFFFFFFF) + t->blockBad = 1; +- } + t->chunkUsed = 1; + t->objectId = pt->objectId; + t->chunkId = pt->chunkId; +@@ -47,6 +46,5 @@ void yaffs_UnpackTags1(yaffs_ExtendedTag + t->serialNumber = pt->serialNumber; + } else { + memset(t, 0, sizeof(yaffs_ExtendedTags)); +- + } + } +--- a/fs/yaffs2/yaffs_packedtags1.h ++++ b/fs/yaffs2/yaffs_packedtags1.h +@@ -32,6 +32,6 @@ typedef struct { + + } yaffs_PackedTags1; + +-void yaffs_PackTags1(yaffs_PackedTags1 * pt, const yaffs_ExtendedTags * t); +-void yaffs_UnpackTags1(yaffs_ExtendedTags * t, const yaffs_PackedTags1 * pt); ++void yaffs_PackTags1(yaffs_PackedTags1 *pt, const yaffs_ExtendedTags *t); ++void yaffs_UnpackTags1(yaffs_ExtendedTags *t, const yaffs_PackedTags1 *pt); + #endif +--- a/fs/yaffs2/yaffs_packedtags2.c ++++ b/fs/yaffs2/yaffs_packedtags2.c +@@ -37,60 +37,68 @@ + #define EXTRA_OBJECT_TYPE_SHIFT (28) + #define EXTRA_OBJECT_TYPE_MASK ((0x0F) << EXTRA_OBJECT_TYPE_SHIFT) + +-static void yaffs_DumpPackedTags2(const yaffs_PackedTags2 * pt) ++ ++static void yaffs_DumpPackedTags2TagsPart(const yaffs_PackedTags2TagsPart *ptt) + { + T(YAFFS_TRACE_MTD, + (TSTR("packed tags obj %d chunk %d byte %d seq %d" TENDSTR), +- pt->t.objectId, pt->t.chunkId, pt->t.byteCount, +- pt->t.sequenceNumber)); ++ ptt->objectId, ptt->chunkId, ptt->byteCount, ++ ptt->sequenceNumber)); ++} ++static void yaffs_DumpPackedTags2(const yaffs_PackedTags2 *pt) ++{ ++ yaffs_DumpPackedTags2TagsPart(&pt->t); + } + +-static void yaffs_DumpTags2(const yaffs_ExtendedTags * t) ++static void yaffs_DumpTags2(const yaffs_ExtendedTags *t) + { + T(YAFFS_TRACE_MTD, + (TSTR +- ("ext.tags eccres %d blkbad %d chused %d obj %d chunk%d byte " +- "%d del %d ser %d seq %d" ++ ("ext.tags eccres %d blkbad %d chused %d obj %d chunk%d byte %d del %d ser %d seq %d" + TENDSTR), t->eccResult, t->blockBad, t->chunkUsed, t->objectId, + t->chunkId, t->byteCount, t->chunkDeleted, t->serialNumber, + t->sequenceNumber)); + + } + +-void yaffs_PackTags2(yaffs_PackedTags2 * pt, const yaffs_ExtendedTags * t) ++void yaffs_PackTags2TagsPart(yaffs_PackedTags2TagsPart *ptt, ++ const yaffs_ExtendedTags *t) + { +- pt->t.chunkId = t->chunkId; +- pt->t.sequenceNumber = t->sequenceNumber; +- pt->t.byteCount = t->byteCount; +- pt->t.objectId = t->objectId; ++ ptt->chunkId = t->chunkId; ++ ptt->sequenceNumber = t->sequenceNumber; ++ ptt->byteCount = t->byteCount; ++ ptt->objectId = t->objectId; + + if (t->chunkId == 0 && t->extraHeaderInfoAvailable) { + /* Store the extra header info instead */ + /* We save the parent object in the chunkId */ +- pt->t.chunkId = EXTRA_HEADER_INFO_FLAG ++ ptt->chunkId = EXTRA_HEADER_INFO_FLAG + | t->extraParentObjectId; +- if (t->extraIsShrinkHeader) { +- pt->t.chunkId |= EXTRA_SHRINK_FLAG; +- } +- if (t->extraShadows) { +- pt->t.chunkId |= EXTRA_SHADOWS_FLAG; +- } ++ if (t->extraIsShrinkHeader) ++ ptt->chunkId |= EXTRA_SHRINK_FLAG; ++ if (t->extraShadows) ++ ptt->chunkId |= EXTRA_SHADOWS_FLAG; + +- pt->t.objectId &= ~EXTRA_OBJECT_TYPE_MASK; +- pt->t.objectId |= ++ ptt->objectId &= ~EXTRA_OBJECT_TYPE_MASK; ++ ptt->objectId |= + (t->extraObjectType << EXTRA_OBJECT_TYPE_SHIFT); + +- if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK) { +- pt->t.byteCount = t->extraEquivalentObjectId; +- } else if (t->extraObjectType == YAFFS_OBJECT_TYPE_FILE) { +- pt->t.byteCount = t->extraFileLength; +- } else { +- pt->t.byteCount = 0; +- } ++ if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK) ++ ptt->byteCount = t->extraEquivalentObjectId; ++ else if (t->extraObjectType == YAFFS_OBJECT_TYPE_FILE) ++ ptt->byteCount = t->extraFileLength; ++ else ++ ptt->byteCount = 0; + } + +- yaffs_DumpPackedTags2(pt); ++ yaffs_DumpPackedTags2TagsPart(ptt); + yaffs_DumpTags2(t); ++} ++ ++ ++void yaffs_PackTags2(yaffs_PackedTags2 *pt, const yaffs_ExtendedTags *t) ++{ ++ yaffs_PackTags2TagsPart(&pt->t, t); + + #ifndef YAFFS_IGNORE_TAGS_ECC + { +@@ -101,82 +109,98 @@ void yaffs_PackTags2(yaffs_PackedTags2 * + #endif + } + +-void yaffs_UnpackTags2(yaffs_ExtendedTags * t, yaffs_PackedTags2 * pt) ++ ++void yaffs_UnpackTags2TagsPart(yaffs_ExtendedTags *t, ++ yaffs_PackedTags2TagsPart *ptt) + { + + memset(t, 0, sizeof(yaffs_ExtendedTags)); + + yaffs_InitialiseTags(t); + +- if (pt->t.sequenceNumber != 0xFFFFFFFF) { +- /* Page is in use */ +-#ifdef YAFFS_IGNORE_TAGS_ECC +- { +- t->eccResult = YAFFS_ECC_RESULT_NO_ERROR; +- } +-#else +- { +- yaffs_ECCOther ecc; +- int result; +- yaffs_ECCCalculateOther((unsigned char *)&pt->t, +- sizeof +- (yaffs_PackedTags2TagsPart), +- &ecc); +- result = +- yaffs_ECCCorrectOther((unsigned char *)&pt->t, +- sizeof +- (yaffs_PackedTags2TagsPart), +- &pt->ecc, &ecc); +- switch(result){ +- case 0: +- t->eccResult = YAFFS_ECC_RESULT_NO_ERROR; +- break; +- case 1: +- t->eccResult = YAFFS_ECC_RESULT_FIXED; +- break; +- case -1: +- t->eccResult = YAFFS_ECC_RESULT_UNFIXED; +- break; +- default: +- t->eccResult = YAFFS_ECC_RESULT_UNKNOWN; +- } +- } +-#endif ++ if (ptt->sequenceNumber != 0xFFFFFFFF) { + t->blockBad = 0; + t->chunkUsed = 1; +- t->objectId = pt->t.objectId; +- t->chunkId = pt->t.chunkId; +- t->byteCount = pt->t.byteCount; ++ t->objectId = ptt->objectId; ++ t->chunkId = ptt->chunkId; ++ t->byteCount = ptt->byteCount; + t->chunkDeleted = 0; + t->serialNumber = 0; +- t->sequenceNumber = pt->t.sequenceNumber; ++ t->sequenceNumber = ptt->sequenceNumber; + + /* Do extra header info stuff */ + +- if (pt->t.chunkId & EXTRA_HEADER_INFO_FLAG) { ++ if (ptt->chunkId & EXTRA_HEADER_INFO_FLAG) { + t->chunkId = 0; + t->byteCount = 0; + + t->extraHeaderInfoAvailable = 1; + t->extraParentObjectId = +- pt->t.chunkId & (~(ALL_EXTRA_FLAGS)); ++ ptt->chunkId & (~(ALL_EXTRA_FLAGS)); + t->extraIsShrinkHeader = +- (pt->t.chunkId & EXTRA_SHRINK_FLAG) ? 1 : 0; ++ (ptt->chunkId & EXTRA_SHRINK_FLAG) ? 1 : 0; + t->extraShadows = +- (pt->t.chunkId & EXTRA_SHADOWS_FLAG) ? 1 : 0; ++ (ptt->chunkId & EXTRA_SHADOWS_FLAG) ? 1 : 0; + t->extraObjectType = +- pt->t.objectId >> EXTRA_OBJECT_TYPE_SHIFT; ++ ptt->objectId >> EXTRA_OBJECT_TYPE_SHIFT; + t->objectId &= ~EXTRA_OBJECT_TYPE_MASK; + +- if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK) { +- t->extraEquivalentObjectId = pt->t.byteCount; +- } else { +- t->extraFileLength = pt->t.byteCount; ++ if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK) ++ t->extraEquivalentObjectId = ptt->byteCount; ++ else ++ t->extraFileLength = ptt->byteCount; ++ } ++ } ++ ++ yaffs_DumpPackedTags2TagsPart(ptt); ++ yaffs_DumpTags2(t); ++ ++} ++ ++ ++void yaffs_UnpackTags2(yaffs_ExtendedTags *t, yaffs_PackedTags2 *pt) ++{ ++ ++ yaffs_ECCResult eccResult = YAFFS_ECC_RESULT_NO_ERROR; ++ ++ if (pt->t.sequenceNumber != 0xFFFFFFFF) { ++ /* Page is in use */ ++#ifndef YAFFS_IGNORE_TAGS_ECC ++ { ++ yaffs_ECCOther ecc; ++ int result; ++ yaffs_ECCCalculateOther((unsigned char *)&pt->t, ++ sizeof ++ (yaffs_PackedTags2TagsPart), ++ &ecc); ++ result = ++ yaffs_ECCCorrectOther((unsigned char *)&pt->t, ++ sizeof ++ (yaffs_PackedTags2TagsPart), ++ &pt->ecc, &ecc); ++ switch (result) { ++ case 0: ++ eccResult = YAFFS_ECC_RESULT_NO_ERROR; ++ break; ++ case 1: ++ eccResult = YAFFS_ECC_RESULT_FIXED; ++ break; ++ case -1: ++ eccResult = YAFFS_ECC_RESULT_UNFIXED; ++ break; ++ default: ++ eccResult = YAFFS_ECC_RESULT_UNKNOWN; + } + } ++#endif + } + ++ yaffs_UnpackTags2TagsPart(t, &pt->t); ++ ++ t->eccResult = eccResult; ++ + yaffs_DumpPackedTags2(pt); + yaffs_DumpTags2(t); + + } ++ +--- a/fs/yaffs2/yaffs_packedtags2.h ++++ b/fs/yaffs2/yaffs_packedtags2.h +@@ -33,6 +33,11 @@ typedef struct { + yaffs_ECCOther ecc; + } yaffs_PackedTags2; + +-void yaffs_PackTags2(yaffs_PackedTags2 * pt, const yaffs_ExtendedTags * t); +-void yaffs_UnpackTags2(yaffs_ExtendedTags * t, yaffs_PackedTags2 * pt); ++/* Full packed tags with ECC, used for oob tags */ ++void yaffs_PackTags2(yaffs_PackedTags2 *pt, const yaffs_ExtendedTags *t); ++void yaffs_UnpackTags2(yaffs_ExtendedTags *t, yaffs_PackedTags2 *pt); ++ ++/* Only the tags part (no ECC for use with inband tags */ ++void yaffs_PackTags2TagsPart(yaffs_PackedTags2TagsPart *pt, const yaffs_ExtendedTags *t); ++void yaffs_UnpackTags2TagsPart(yaffs_ExtendedTags *t, yaffs_PackedTags2TagsPart *pt); + #endif +--- a/fs/yaffs2/yaffs_qsort.c ++++ b/fs/yaffs2/yaffs_qsort.c +@@ -28,12 +28,12 @@ + */ + + #include "yportenv.h" +-//#include <linux/string.h> ++/* #include <linux/string.h> */ + + /* + * Qsort routine from Bentley & McIlroy's "Engineering a Sort Function". + */ +-#define swapcode(TYPE, parmi, parmj, n) { \ ++#define swapcode(TYPE, parmi, parmj, n) do { \ + long i = (n) / sizeof (TYPE); \ + register TYPE *pi = (TYPE *) (parmi); \ + register TYPE *pj = (TYPE *) (parmj); \ +@@ -41,28 +41,29 @@ + register TYPE t = *pi; \ + *pi++ = *pj; \ + *pj++ = t; \ +- } while (--i > 0); \ +-} ++ } while (--i > 0); \ ++} while (0) + + #define SWAPINIT(a, es) swaptype = ((char *)a - (char *)0) % sizeof(long) || \ +- es % sizeof(long) ? 2 : es == sizeof(long)? 0 : 1; ++ es % sizeof(long) ? 2 : es == sizeof(long) ? 0 : 1; + + static __inline void + swapfunc(char *a, char *b, int n, int swaptype) + { + if (swaptype <= 1) +- swapcode(long, a, b, n) ++ swapcode(long, a, b, n); + else +- swapcode(char, a, b, n) ++ swapcode(char, a, b, n); + } + +-#define swap(a, b) \ ++#define yswap(a, b) do { \ + if (swaptype == 0) { \ + long t = *(long *)(a); \ + *(long *)(a) = *(long *)(b); \ + *(long *)(b) = t; \ + } else \ +- swapfunc(a, b, es, swaptype) ++ swapfunc(a, b, es, swaptype); \ ++} while (0) + + #define vecswap(a, b, n) if ((n) > 0) swapfunc(a, b, n, swaptype) + +@@ -70,12 +71,12 @@ static __inline char * + med3(char *a, char *b, char *c, int (*cmp)(const void *, const void *)) + { + return cmp(a, b) < 0 ? +- (cmp(b, c) < 0 ? b : (cmp(a, c) < 0 ? c : a )) +- :(cmp(b, c) > 0 ? b : (cmp(a, c) < 0 ? a : c )); ++ (cmp(b, c) < 0 ? b : (cmp(a, c) < 0 ? c : a)) ++ : (cmp(b, c) > 0 ? b : (cmp(a, c) < 0 ? a : c)); + } + + #ifndef min +-#define min(a,b) (((a) < (b)) ? (a) : (b)) ++#define min(a, b) (((a) < (b)) ? (a) : (b)) + #endif + + void +@@ -92,7 +93,7 @@ loop: SWAPINIT(a, es); + for (pm = (char *)a + es; pm < (char *) a + n * es; pm += es) + for (pl = pm; pl > (char *) a && cmp(pl - es, pl) > 0; + pl -= es) +- swap(pl, pl - es); ++ yswap(pl, pl - es); + return; + } + pm = (char *)a + (n / 2) * es; +@@ -107,7 +108,7 @@ loop: SWAPINIT(a, es); + } + pm = med3(pl, pm, pn, cmp); + } +- swap(a, pm); ++ yswap(a, pm); + pa = pb = (char *)a + es; + + pc = pd = (char *)a + (n - 1) * es; +@@ -115,7 +116,7 @@ loop: SWAPINIT(a, es); + while (pb <= pc && (r = cmp(pb, a)) <= 0) { + if (r == 0) { + swap_cnt = 1; +- swap(pa, pb); ++ yswap(pa, pb); + pa += es; + } + pb += es; +@@ -123,14 +124,14 @@ loop: SWAPINIT(a, es); + while (pb <= pc && (r = cmp(pc, a)) >= 0) { + if (r == 0) { + swap_cnt = 1; +- swap(pc, pd); ++ yswap(pc, pd); + pd -= es; + } + pc -= es; + } + if (pb > pc) + break; +- swap(pb, pc); ++ yswap(pb, pc); + swap_cnt = 1; + pb += es; + pc -= es; +@@ -139,7 +140,7 @@ loop: SWAPINIT(a, es); + for (pm = (char *) a + es; pm < (char *) a + n * es; pm += es) + for (pl = pm; pl > (char *) a && cmp(pl - es, pl) > 0; + pl -= es) +- swap(pl, pl - es); ++ yswap(pl, pl - es); + return; + } + +@@ -148,9 +149,11 @@ loop: SWAPINIT(a, es); + vecswap(a, pb - r, r); + r = min((long)(pd - pc), (long)(pn - pd - es)); + vecswap(pb, pn - r, r); +- if ((r = pb - pa) > es) ++ r = pb - pa; ++ if (r > es) + yaffs_qsort(a, r / es, es, cmp); +- if ((r = pd - pc) > es) { ++ r = pd - pc; ++ if (r > es) { + /* Iterate rather than recurse to save stack space */ + a = pn - r; + n = r / es; +--- a/fs/yaffs2/yaffs_qsort.h ++++ b/fs/yaffs2/yaffs_qsort.h +@@ -17,7 +17,7 @@ + #ifndef __YAFFS_QSORT_H__ + #define __YAFFS_QSORT_H__ + +-extern void yaffs_qsort (void *const base, size_t total_elems, size_t size, +- int (*cmp)(const void *, const void *)); ++extern void yaffs_qsort(void *const base, size_t total_elems, size_t size, ++ int (*cmp)(const void *, const void *)); + + #endif +--- a/fs/yaffs2/yaffs_tagscompat.c ++++ b/fs/yaffs2/yaffs_tagscompat.c +@@ -14,16 +14,17 @@ + #include "yaffs_guts.h" + #include "yaffs_tagscompat.h" + #include "yaffs_ecc.h" ++#include "yaffs_getblockinfo.h" + +-static void yaffs_HandleReadDataError(yaffs_Device * dev, int chunkInNAND); ++static void yaffs_HandleReadDataError(yaffs_Device *dev, int chunkInNAND); + #ifdef NOTYET +-static void yaffs_CheckWrittenBlock(yaffs_Device * dev, int chunkInNAND); +-static void yaffs_HandleWriteChunkOk(yaffs_Device * dev, int chunkInNAND, +- const __u8 * data, +- const yaffs_Spare * spare); +-static void yaffs_HandleUpdateChunk(yaffs_Device * dev, int chunkInNAND, +- const yaffs_Spare * spare); +-static void yaffs_HandleWriteChunkError(yaffs_Device * dev, int chunkInNAND); ++static void yaffs_CheckWrittenBlock(yaffs_Device *dev, int chunkInNAND); ++static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND, ++ const __u8 *data, ++ const yaffs_Spare *spare); ++static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND, ++ const yaffs_Spare *spare); ++static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND); + #endif + + static const char yaffs_countBitsTable[256] = { +@@ -54,13 +55,13 @@ int yaffs_CountBits(__u8 x) + + /********** Tags ECC calculations *********/ + +-void yaffs_CalcECC(const __u8 * data, yaffs_Spare * spare) ++void yaffs_CalcECC(const __u8 *data, yaffs_Spare *spare) + { + yaffs_ECCCalculate(data, spare->ecc1); + yaffs_ECCCalculate(&data[256], spare->ecc2); + } + +-void yaffs_CalcTagsECC(yaffs_Tags * tags) ++void yaffs_CalcTagsECC(yaffs_Tags *tags) + { + /* Calculate an ecc */ + +@@ -74,9 +75,8 @@ void yaffs_CalcTagsECC(yaffs_Tags * tags + for (i = 0; i < 8; i++) { + for (j = 1; j & 0xff; j <<= 1) { + bit++; +- if (b[i] & j) { ++ if (b[i] & j) + ecc ^= bit; +- } + } + } + +@@ -84,7 +84,7 @@ void yaffs_CalcTagsECC(yaffs_Tags * tags + + } + +-int yaffs_CheckECCOnTags(yaffs_Tags * tags) ++int yaffs_CheckECCOnTags(yaffs_Tags *tags) + { + unsigned ecc = tags->ecc; + +@@ -115,8 +115,8 @@ int yaffs_CheckECCOnTags(yaffs_Tags * ta + + /********** Tags **********/ + +-static void yaffs_LoadTagsIntoSpare(yaffs_Spare * sparePtr, +- yaffs_Tags * tagsPtr) ++static void yaffs_LoadTagsIntoSpare(yaffs_Spare *sparePtr, ++ yaffs_Tags *tagsPtr) + { + yaffs_TagsUnion *tu = (yaffs_TagsUnion *) tagsPtr; + +@@ -132,8 +132,8 @@ static void yaffs_LoadTagsIntoSpare(yaff + sparePtr->tagByte7 = tu->asBytes[7]; + } + +-static void yaffs_GetTagsFromSpare(yaffs_Device * dev, yaffs_Spare * sparePtr, +- yaffs_Tags * tagsPtr) ++static void yaffs_GetTagsFromSpare(yaffs_Device *dev, yaffs_Spare *sparePtr, ++ yaffs_Tags *tagsPtr) + { + yaffs_TagsUnion *tu = (yaffs_TagsUnion *) tagsPtr; + int result; +@@ -148,21 +148,20 @@ static void yaffs_GetTagsFromSpare(yaffs + tu->asBytes[7] = sparePtr->tagByte7; + + result = yaffs_CheckECCOnTags(tagsPtr); +- if (result > 0) { ++ if (result > 0) + dev->tagsEccFixed++; +- } else if (result < 0) { ++ else if (result < 0) + dev->tagsEccUnfixed++; +- } + } + +-static void yaffs_SpareInitialise(yaffs_Spare * spare) ++static void yaffs_SpareInitialise(yaffs_Spare *spare) + { + memset(spare, 0xFF, sizeof(yaffs_Spare)); + } + + static int yaffs_WriteChunkToNAND(struct yaffs_DeviceStruct *dev, +- int chunkInNAND, const __u8 * data, +- yaffs_Spare * spare) ++ int chunkInNAND, const __u8 *data, ++ yaffs_Spare *spare) + { + if (chunkInNAND < dev->startBlock * dev->nChunksPerBlock) { + T(YAFFS_TRACE_ERROR, +@@ -177,9 +176,9 @@ static int yaffs_WriteChunkToNAND(struct + + static int yaffs_ReadChunkFromNAND(struct yaffs_DeviceStruct *dev, + int chunkInNAND, +- __u8 * data, +- yaffs_Spare * spare, +- yaffs_ECCResult * eccResult, ++ __u8 *data, ++ yaffs_Spare *spare, ++ yaffs_ECCResult *eccResult, + int doErrorCorrection) + { + int retVal; +@@ -252,9 +251,11 @@ static int yaffs_ReadChunkFromNAND(struc + /* Must allocate enough memory for spare+2*sizeof(int) */ + /* for ecc results from device. */ + struct yaffs_NANDSpare nspare; +- retVal = +- dev->readChunkFromNAND(dev, chunkInNAND, data, +- (yaffs_Spare *) & nspare); ++ ++ memset(&nspare, 0, sizeof(nspare)); ++ ++ retVal = dev->readChunkFromNAND(dev, chunkInNAND, data, ++ (yaffs_Spare *) &nspare); + memcpy(spare, &nspare, sizeof(yaffs_Spare)); + if (data && doErrorCorrection) { + if (nspare.eccres1 > 0) { +@@ -302,8 +303,7 @@ static int yaffs_ReadChunkFromNAND(struc + static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev, + int chunkInNAND) + { +- +- static int init = 0; ++ static int init; + static __u8 cmpbuf[YAFFS_BYTES_PER_CHUNK]; + static __u8 data[YAFFS_BYTES_PER_CHUNK]; + /* Might as well always allocate the larger size for */ +@@ -331,12 +331,12 @@ static int yaffs_CheckChunkErased(struct + * Functions for robustisizing + */ + +-static void yaffs_HandleReadDataError(yaffs_Device * dev, int chunkInNAND) ++static void yaffs_HandleReadDataError(yaffs_Device *dev, int chunkInNAND) + { + int blockInNAND = chunkInNAND / dev->nChunksPerBlock; + + /* Mark the block for retirement */ +- yaffs_GetBlockInfo(dev, blockInNAND)->needsRetiring = 1; ++ yaffs_GetBlockInfo(dev, blockInNAND + dev->blockOffset)->needsRetiring = 1; + T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, + (TSTR("**>>Block %d marked for retirement" TENDSTR), blockInNAND)); + +@@ -348,22 +348,22 @@ static void yaffs_HandleReadDataError(ya + } + + #ifdef NOTYET +-static void yaffs_CheckWrittenBlock(yaffs_Device * dev, int chunkInNAND) ++static void yaffs_CheckWrittenBlock(yaffs_Device *dev, int chunkInNAND) + { + } + +-static void yaffs_HandleWriteChunkOk(yaffs_Device * dev, int chunkInNAND, +- const __u8 * data, +- const yaffs_Spare * spare) ++static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND, ++ const __u8 *data, ++ const yaffs_Spare *spare) + { + } + +-static void yaffs_HandleUpdateChunk(yaffs_Device * dev, int chunkInNAND, +- const yaffs_Spare * spare) ++static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND, ++ const yaffs_Spare *spare) + { + } + +-static void yaffs_HandleWriteChunkError(yaffs_Device * dev, int chunkInNAND) ++static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND) + { + int blockInNAND = chunkInNAND / dev->nChunksPerBlock; + +@@ -373,8 +373,8 @@ static void yaffs_HandleWriteChunkError( + yaffs_DeleteChunk(dev, chunkInNAND, 1, __LINE__); + } + +-static int yaffs_VerifyCompare(const __u8 * d0, const __u8 * d1, +- const yaffs_Spare * s0, const yaffs_Spare * s1) ++static int yaffs_VerifyCompare(const __u8 *d0, const __u8 *d1, ++ const yaffs_Spare *s0, const yaffs_Spare *s1) + { + + if (memcmp(d0, d1, YAFFS_BYTES_PER_CHUNK) != 0 || +@@ -398,28 +398,35 @@ static int yaffs_VerifyCompare(const __u + } + #endif /* NOTYET */ + +-int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device * dev, +- int chunkInNAND, +- const __u8 * data, +- const yaffs_ExtendedTags * +- eTags) ++int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device *dev, ++ int chunkInNAND, ++ const __u8 *data, ++ const yaffs_ExtendedTags *eTags) + { + yaffs_Spare spare; + yaffs_Tags tags; + + yaffs_SpareInitialise(&spare); + +- if (eTags->chunkDeleted) { ++ if (eTags->chunkDeleted) + spare.pageStatus = 0; +- } else { ++ else { + tags.objectId = eTags->objectId; + tags.chunkId = eTags->chunkId; +- tags.byteCount = eTags->byteCount; ++ ++ tags.byteCountLSB = eTags->byteCount & 0x3ff; ++ ++ if (dev->nDataBytesPerChunk >= 1024) ++ tags.byteCountMSB = (eTags->byteCount >> 10) & 3; ++ else ++ tags.byteCountMSB = 3; ++ ++ + tags.serialNumber = eTags->serialNumber; + +- if (!dev->useNANDECC && data) { ++ if (!dev->useNANDECC && data) + yaffs_CalcECC(data, &spare); +- } ++ + yaffs_LoadTagsIntoSpare(&spare, &tags); + + } +@@ -427,15 +434,15 @@ int yaffs_TagsCompatabilityWriteChunkWit + return yaffs_WriteChunkToNAND(dev, chunkInNAND, data, &spare); + } + +-int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device * dev, ++int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device *dev, + int chunkInNAND, +- __u8 * data, +- yaffs_ExtendedTags * eTags) ++ __u8 *data, ++ yaffs_ExtendedTags *eTags) + { + + yaffs_Spare spare; + yaffs_Tags tags; +- yaffs_ECCResult eccResult; ++ yaffs_ECCResult eccResult = YAFFS_ECC_RESULT_UNKNOWN; + + static yaffs_Spare spareFF; + static int init; +@@ -466,7 +473,11 @@ int yaffs_TagsCompatabilityReadChunkWith + + eTags->objectId = tags.objectId; + eTags->chunkId = tags.chunkId; +- eTags->byteCount = tags.byteCount; ++ eTags->byteCount = tags.byteCountLSB; ++ ++ if (dev->nDataBytesPerChunk >= 1024) ++ eTags->byteCount |= (((unsigned) tags.byteCountMSB) << 10); ++ + eTags->serialNumber = tags.serialNumber; + } + } +@@ -497,9 +508,9 @@ int yaffs_TagsCompatabilityMarkNANDBlock + } + + int yaffs_TagsCompatabilityQueryNANDBlock(struct yaffs_DeviceStruct *dev, +- int blockNo, yaffs_BlockState * +- state, +- int *sequenceNumber) ++ int blockNo, ++ yaffs_BlockState *state, ++ __u32 *sequenceNumber) + { + + yaffs_Spare spare0, spare1; +--- a/fs/yaffs2/yaffs_tagscompat.h ++++ b/fs/yaffs2/yaffs_tagscompat.h +@@ -17,24 +17,23 @@ + #define __YAFFS_TAGSCOMPAT_H__ + + #include "yaffs_guts.h" +-int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device * dev, +- int chunkInNAND, +- const __u8 * data, +- const yaffs_ExtendedTags * +- tags); +-int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device * dev, +- int chunkInNAND, +- __u8 * data, +- yaffs_ExtendedTags * +- tags); ++int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device *dev, ++ int chunkInNAND, ++ const __u8 *data, ++ const yaffs_ExtendedTags *tags); ++int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device *dev, ++ int chunkInNAND, ++ __u8 *data, ++ yaffs_ExtendedTags *tags); + int yaffs_TagsCompatabilityMarkNANDBlockBad(struct yaffs_DeviceStruct *dev, + int blockNo); + int yaffs_TagsCompatabilityQueryNANDBlock(struct yaffs_DeviceStruct *dev, +- int blockNo, yaffs_BlockState * +- state, int *sequenceNumber); ++ int blockNo, ++ yaffs_BlockState *state, ++ __u32 *sequenceNumber); + +-void yaffs_CalcTagsECC(yaffs_Tags * tags); +-int yaffs_CheckECCOnTags(yaffs_Tags * tags); ++void yaffs_CalcTagsECC(yaffs_Tags *tags); ++int yaffs_CheckECCOnTags(yaffs_Tags *tags); + int yaffs_CountBits(__u8 byte); + + #endif +--- a/fs/yaffs2/yaffs_tagsvalidity.c ++++ b/fs/yaffs2/yaffs_tagsvalidity.c +@@ -13,14 +13,14 @@ + + #include "yaffs_tagsvalidity.h" + +-void yaffs_InitialiseTags(yaffs_ExtendedTags * tags) ++void yaffs_InitialiseTags(yaffs_ExtendedTags *tags) + { + memset(tags, 0, sizeof(yaffs_ExtendedTags)); + tags->validMarker0 = 0xAAAAAAAA; + tags->validMarker1 = 0x55555555; + } + +-int yaffs_ValidateTags(yaffs_ExtendedTags * tags) ++int yaffs_ValidateTags(yaffs_ExtendedTags *tags) + { + return (tags->validMarker0 == 0xAAAAAAAA && + tags->validMarker1 == 0x55555555); +--- a/fs/yaffs2/yaffs_tagsvalidity.h ++++ b/fs/yaffs2/yaffs_tagsvalidity.h +@@ -19,6 +19,6 @@ + + #include "yaffs_guts.h" + +-void yaffs_InitialiseTags(yaffs_ExtendedTags * tags); +-int yaffs_ValidateTags(yaffs_ExtendedTags * tags); ++void yaffs_InitialiseTags(yaffs_ExtendedTags *tags); ++int yaffs_ValidateTags(yaffs_ExtendedTags *tags); + #endif +--- a/fs/yaffs2/yportenv.h ++++ b/fs/yaffs2/yportenv.h +@@ -17,17 +17,28 @@ + #ifndef __YPORTENV_H__ + #define __YPORTENV_H__ + ++/* ++ * Define the MTD version in terms of Linux Kernel versions ++ * This allows yaffs to be used independantly of the kernel ++ * as well as with it. ++ */ ++ ++#define MTD_VERSION(a, b, c) (((a) << 16) + ((b) << 8) + (c)) ++ + #if defined CONFIG_YAFFS_WINCE + + #include "ywinceenv.h" + +-#elif defined __KERNEL__ ++#elif defined __KERNEL__ + + #include "moduleconfig.h" + + /* Linux kernel */ ++ + #include <linux/version.h> +-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)) ++#define MTD_VERSION_CODE LINUX_VERSION_CODE ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)) + #include <linux/config.h> + #endif + #include <linux/kernel.h> +@@ -40,12 +51,13 @@ + #define YCHAR char + #define YUCHAR unsigned char + #define _Y(x) x +-#define yaffs_strcpy(a,b) strcpy(a,b) +-#define yaffs_strncpy(a,b,c) strncpy(a,b,c) +-#define yaffs_strncmp(a,b,c) strncmp(a,b,c) +-#define yaffs_strlen(s) strlen(s) +-#define yaffs_sprintf sprintf +-#define yaffs_toupper(a) toupper(a) ++#define yaffs_strcat(a, b) strcat(a, b) ++#define yaffs_strcpy(a, b) strcpy(a, b) ++#define yaffs_strncpy(a, b, c) strncpy(a, b, c) ++#define yaffs_strncmp(a, b, c) strncmp(a, b, c) ++#define yaffs_strlen(s) strlen(s) ++#define yaffs_sprintf sprintf ++#define yaffs_toupper(a) toupper(a) + + #define Y_INLINE inline + +@@ -53,19 +65,19 @@ + #define YAFFS_LOSTNFOUND_PREFIX "obj" + + /* #define YPRINTF(x) printk x */ +-#define YMALLOC(x) kmalloc(x,GFP_KERNEL) ++#define YMALLOC(x) kmalloc(x, GFP_NOFS) + #define YFREE(x) kfree(x) + #define YMALLOC_ALT(x) vmalloc(x) + #define YFREE_ALT(x) vfree(x) + #define YMALLOC_DMA(x) YMALLOC(x) + +-// KR - added for use in scan so processes aren't blocked indefinitely. ++/* KR - added for use in scan so processes aren't blocked indefinitely. */ + #define YYIELD() schedule() + + #define YAFFS_ROOT_MODE 0666 + #define YAFFS_LOSTNFOUND_MODE 0666 + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + #define Y_CURRENT_TIME CURRENT_TIME.tv_sec + #define Y_TIME_CONVERT(x) (x).tv_sec + #else +@@ -73,11 +85,12 @@ + #define Y_TIME_CONVERT(x) (x) + #endif + +-#define yaffs_SumCompare(x,y) ((x) == (y)) +-#define yaffs_strcmp(a,b) strcmp(a,b) ++#define yaffs_SumCompare(x, y) ((x) == (y)) ++#define yaffs_strcmp(a, b) strcmp(a, b) + + #define TENDSTR "\n" + #define TSTR(x) KERN_WARNING x ++#define TCONT(x) x + #define TOUT(p) printk p + + #define yaffs_trace(mask, fmt, args...) \ +@@ -90,6 +103,8 @@ + + #elif defined CONFIG_YAFFS_DIRECT + ++#define MTD_VERSION_CODE MTD_VERSION(2, 6, 22) ++ + /* Direct interface */ + #include "ydirectenv.h" + +@@ -111,11 +126,12 @@ + #define YCHAR char + #define YUCHAR unsigned char + #define _Y(x) x +-#define yaffs_strcpy(a,b) strcpy(a,b) +-#define yaffs_strncpy(a,b,c) strncpy(a,b,c) +-#define yaffs_strlen(s) strlen(s) +-#define yaffs_sprintf sprintf +-#define yaffs_toupper(a) toupper(a) ++#define yaffs_strcat(a, b) strcat(a, b) ++#define yaffs_strcpy(a, b) strcpy(a, b) ++#define yaffs_strncpy(a, b, c) strncpy(a, b, c) ++#define yaffs_strlen(s) strlen(s) ++#define yaffs_sprintf sprintf ++#define yaffs_toupper(a) toupper(a) + + #define Y_INLINE inline + +@@ -133,8 +149,8 @@ + #define YAFFS_ROOT_MODE 0666 + #define YAFFS_LOSTNFOUND_MODE 0666 + +-#define yaffs_SumCompare(x,y) ((x) == (y)) +-#define yaffs_strcmp(a,b) strcmp(a,b) ++#define yaffs_SumCompare(x, y) ((x) == (y)) ++#define yaffs_strcmp(a, b) strcmp(a, b) + + #else + /* Should have specified a configuration type */ +@@ -178,10 +194,10 @@ extern unsigned int yaffs_wr_attempts; + #define YAFFS_TRACE_ALWAYS 0xF0000000 + + +-#define T(mask,p) do{ if((mask) & (yaffs_traceMask | YAFFS_TRACE_ALWAYS)) TOUT(p);} while(0) ++#define T(mask, p) do { if ((mask) & (yaffs_traceMask | YAFFS_TRACE_ALWAYS)) TOUT(p); } while (0) + +-#ifndef CONFIG_YAFFS_WINCE +-#define YBUG() T(YAFFS_TRACE_BUG,(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),__LINE__)) ++#ifndef YBUG ++#define YBUG() do {T(YAFFS_TRACE_BUG, (TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR), __LINE__)); } while (0) + #endif + + #endif diff --git a/target/linux/generic/patches-3.6/502-yaffs_git_2010_10_20.patch b/target/linux/generic/patches-3.6/502-yaffs_git_2010_10_20.patch new file mode 100644 index 0000000000..f4535a6b51 --- /dev/null +++ b/target/linux/generic/patches-3.6/502-yaffs_git_2010_10_20.patch @@ -0,0 +1,27068 @@ +--- a/fs/Kconfig ++++ b/fs/Kconfig +@@ -35,7 +35,6 @@ source "fs/gfs2/Kconfig" + source "fs/ocfs2/Kconfig" + source "fs/btrfs/Kconfig" + source "fs/nilfs2/Kconfig" +-source "fs/yaffs2/Kconfig" + + endif # BLOCK + +@@ -201,6 +200,10 @@ source "fs/hfsplus/Kconfig" + source "fs/befs/Kconfig" + source "fs/bfs/Kconfig" + source "fs/efs/Kconfig" ++ ++# Patched by YAFFS ++source "fs/yaffs2/Kconfig" ++ + source "fs/jffs2/Kconfig" + # UBIFS File system configuration + source "fs/ubifs/Kconfig" +--- a/fs/Makefile ++++ b/fs/Makefile +@@ -125,5 +125,6 @@ obj-$(CONFIG_GFS2_FS) += gfs2/ + obj-y += exofs/ # Multiple modules + obj-$(CONFIG_CEPH_FS) += ceph/ + obj-$(CONFIG_PSTORE) += pstore/ +-obj-$(CONFIG_YAFFS_FS) += yaffs2/ + ++# Patched by YAFFS ++obj-$(CONFIG_YAFFS_FS) += yaffs2/ +--- a/fs/yaffs2/devextras.h ++++ b/fs/yaffs2/devextras.h +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -24,6 +24,8 @@ + #define __EXTRAS_H__ + + ++#include "yportenv.h" ++ + #if !(defined __KERNEL__) + + /* Definition of types */ +@@ -33,103 +35,6 @@ typedef unsigned __u32; + + #endif + +-/* +- * This is a simple doubly linked list implementation that matches the +- * way the Linux kernel doubly linked list implementation works. +- */ +- +-struct ylist_head { +- struct ylist_head *next; /* next in chain */ +- struct ylist_head *prev; /* previous in chain */ +-}; +- +- +-/* Initialise a static list */ +-#define YLIST_HEAD(name) \ +-struct ylist_head name = { &(name), &(name)} +- +- +- +-/* Initialise a list head to an empty list */ +-#define YINIT_LIST_HEAD(p) \ +-do { \ +- (p)->next = (p);\ +- (p)->prev = (p); \ +-} while (0) +- +- +-/* Add an element to a list */ +-static __inline__ void ylist_add(struct ylist_head *newEntry, +- struct ylist_head *list) +-{ +- struct ylist_head *listNext = list->next; +- +- list->next = newEntry; +- newEntry->prev = list; +- newEntry->next = listNext; +- listNext->prev = newEntry; +- +-} +- +-static __inline__ void ylist_add_tail(struct ylist_head *newEntry, +- struct ylist_head *list) +-{ +- struct ylist_head *listPrev = list->prev; +- +- list->prev = newEntry; +- newEntry->next = list; +- newEntry->prev = listPrev; +- listPrev->next = newEntry; +- +-} +- +- +-/* Take an element out of its current list, with or without +- * reinitialising the links.of the entry*/ +-static __inline__ void ylist_del(struct ylist_head *entry) +-{ +- struct ylist_head *listNext = entry->next; +- struct ylist_head *listPrev = entry->prev; +- +- listNext->prev = listPrev; +- listPrev->next = listNext; +- +-} +- +-static __inline__ void ylist_del_init(struct ylist_head *entry) +-{ +- ylist_del(entry); +- entry->next = entry->prev = entry; +-} +- +- +-/* Test if the list is empty */ +-static __inline__ int ylist_empty(struct ylist_head *entry) +-{ +- return (entry->next == entry); +-} +- +- +-/* ylist_entry takes a pointer to a list entry and offsets it to that +- * we can find a pointer to the object it is embedded in. +- */ +- +- +-#define ylist_entry(entry, type, member) \ +- ((type *)((char *)(entry)-(unsigned long)(&((type *)NULL)->member))) +- +- +-/* ylist_for_each and list_for_each_safe iterate over lists. +- * ylist_for_each_safe uses temporary storage to make the list delete safe +- */ +- +-#define ylist_for_each(itervar, list) \ +- for (itervar = (list)->next; itervar != (list); itervar = itervar->next) +- +-#define ylist_for_each_safe(itervar, saveVar, list) \ +- for (itervar = (list)->next, saveVar = (list)->next->next; \ +- itervar != (list); itervar = saveVar, saveVar = saveVar->next) +- + + #if !(defined __KERNEL__) + +--- a/fs/yaffs2/Kconfig ++++ b/fs/yaffs2/Kconfig +@@ -90,23 +90,15 @@ config YAFFS_AUTO_YAFFS2 + + If unsure, say Y. + +-config YAFFS_DISABLE_LAZY_LOAD +- bool "Disable lazy loading" +- depends on YAFFS_YAFFS2 ++config YAFFS_DISABLE_TAGS_ECC ++ bool "Disable YAFFS from doing ECC on tags by default" ++ depends on YAFFS_FS && YAFFS_YAFFS2 + default n + help +- "Lazy loading" defers loading file details until they are +- required. This saves mount time, but makes the first look-up +- a bit longer. +- +- Lazy loading will only happen if enabled by this option being 'n' +- and if the appropriate tags are available, else yaffs2 will +- automatically fall back to immediate loading and do the right +- thing. +- +- Lazy laoding will be required by checkpointing. +- +- Setting this to 'y' will disable lazy loading. ++ This defaults Yaffs to using its own ECC calculations on tags instead of ++ just relying on the MTD. ++ This behavior can also be overridden with tags_ecc_on and ++ tags_ecc_off mount options. + + If unsure, say N. + +@@ -154,3 +146,45 @@ config YAFFS_SHORT_NAMES_IN_RAM + but makes look-ups faster. + + If unsure, say Y. ++ ++config YAFFS_EMPTY_LOST_AND_FOUND ++ bool "Empty lost and found on boot" ++ depends on YAFFS_FS ++ default n ++ help ++ If this is enabled then the contents of lost and found is ++ automatically dumped at mount. ++ ++ If unsure, say N. ++ ++config YAFFS_DISABLE_BLOCK_REFRESHING ++ bool "Disable yaffs2 block refreshing" ++ depends on YAFFS_FS ++ default n ++ help ++ If this is set, then block refreshing is disabled. ++ Block refreshing infrequently refreshes the oldest block in ++ a yaffs2 file system. This mechanism helps to refresh flash to ++ mitigate against data loss. This is particularly useful for MLC. ++ ++ If unsure, say N. ++ ++config YAFFS_DISABLE_BACKGROUND ++ bool "Disable yaffs2 background processing" ++ depends on YAFFS_FS ++ default n ++ help ++ If this is set, then background processing is disabled. ++ Background processing makes many foreground activities faster. ++ ++ If unsure, say N. ++ ++config YAFFS_XATTR ++ bool "Enable yaffs2 xattr support" ++ depends on YAFFS_FS ++ default y ++ help ++ If this is set then yaffs2 will provide xattr support. ++ If unsure, say Y. ++ ++ +--- a/fs/yaffs2/Makefile ++++ b/fs/yaffs2/Makefile +@@ -4,7 +4,14 @@ + + obj-$(CONFIG_YAFFS_FS) += yaffs.o + +-yaffs-y := yaffs_ecc.o yaffs_fs.o yaffs_guts.o yaffs_checkptrw.o +-yaffs-y += yaffs_packedtags1.o yaffs_packedtags2.o yaffs_nand.o yaffs_qsort.o ++yaffs-y := yaffs_ecc.o yaffs_vfs_glue.o yaffs_guts.o yaffs_checkptrw.o ++yaffs-y += yaffs_packedtags1.o yaffs_packedtags2.o yaffs_nand.o + yaffs-y += yaffs_tagscompat.o yaffs_tagsvalidity.o + yaffs-y += yaffs_mtdif.o yaffs_mtdif1.o yaffs_mtdif2.o ++yaffs-y += yaffs_nameval.o ++yaffs-y += yaffs_allocator.o ++yaffs-y += yaffs_yaffs1.o ++yaffs-y += yaffs_yaffs2.o ++yaffs-y += yaffs_bitmap.o ++yaffs-y += yaffs_verify.o ++ +--- a/fs/yaffs2/moduleconfig.h ++++ b/fs/yaffs2/moduleconfig.h +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Martin Fouts <Martin.Fouts@palmsource.com> +@@ -29,25 +29,46 @@ + /* Meaning: Yaffs does its own ECC, rather than using MTD ECC */ + /* #define CONFIG_YAFFS_DOES_ECC */ + ++/* Default: Selected */ ++/* Meaning: Yaffs does its own ECC on tags for packed tags rather than use mtd */ ++#define CONFIG_YAFFS_DOES_TAGS_ECC ++ + /* Default: Not selected */ + /* Meaning: ECC byte order is 'wrong'. Only meaningful if */ + /* CONFIG_YAFFS_DOES_ECC is set */ + /* #define CONFIG_YAFFS_ECC_WRONG_ORDER */ + +-/* Default: Selected */ +-/* Meaning: Disables testing whether chunks are erased before writing to them*/ +-#define CONFIG_YAFFS_DISABLE_CHUNK_ERASED_CHECK ++/* Default: Not selected */ ++/* Meaning: Always test whether chunks are erased before writing to them. ++ Use during mtd debugging and init. */ ++/* #define CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED */ ++ ++/* Default: Not Selected */ ++/* Meaning: At mount automatically empty all files from lost and found. */ ++/* This is done to fix an old problem where rmdir was not checking for an */ ++/* empty directory. This can also be achieved with a mount option. */ ++#define CONFIG_YAFFS_EMPTY_LOST_AND_FOUND + + /* Default: Selected */ + /* Meaning: Cache short names, taking more RAM, but faster look-ups */ + #define CONFIG_YAFFS_SHORT_NAMES_IN_RAM + +-/* Default: 10 */ +-/* Meaning: set the count of blocks to reserve for checkpointing */ +-#define CONFIG_YAFFS_CHECKPOINT_RESERVED_BLOCKS 10 ++/* Default: Unselected */ ++/* Meaning: Select to disable block refreshing. */ ++/* Block Refreshing periodically rewrites the oldest block. */ ++/* #define CONFIG_DISABLE_BLOCK_REFRESHING */ ++ ++/* Default: Unselected */ ++/* Meaning: Select to disable background processing */ ++/* #define CONFIG_DISABLE_BACKGROUND */ ++ ++ ++/* Default: Selected */ ++/* Meaning: Enable XATTR support */ ++#define CONFIG_YAFFS_XATTR + + /* +-Older-style on-NAND data format has a "pageStatus" byte to record ++Older-style on-NAND data format has a "page_status" byte to record + chunk/page state. This byte is zeroed when the page is discarded. + Choose this option if you have existing on-NAND data in this format + that you need to continue to support. New data written also uses the +@@ -57,7 +78,7 @@ adjusted to use the older-style format. + MTD versions in yaffs_mtdif1.c. + */ + /* Default: Not selected */ +-/* Meaning: Use older-style on-NAND data format with pageStatus byte */ ++/* Meaning: Use older-style on-NAND data format with page_status byte */ + /* #define CONFIG_YAFFS_9BYTE_TAGS */ + + #endif /* YAFFS_OUT_OF_TREE */ +--- /dev/null ++++ b/fs/yaffs2/yaffs_allocator.c +@@ -0,0 +1,409 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2010 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning <charles@aleph1.co.uk> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++ ++#include "yaffs_allocator.h" ++#include "yaffs_guts.h" ++#include "yaffs_trace.h" ++#include "yportenv.h" ++ ++#ifdef CONFIG_YAFFS_YMALLOC_ALLOCATOR ++ ++void yaffs_deinit_raw_tnodes_and_objs(yaffs_dev_t *dev) ++{ ++ dev = dev; ++} ++ ++void yaffs_init_raw_tnodes_and_objs(yaffs_dev_t *dev) ++{ ++ dev = dev; ++} ++ ++yaffs_tnode_t *yaffs_alloc_raw_tnode(yaffs_dev_t *dev) ++{ ++ return (yaffs_tnode_t *)YMALLOC(dev->tnode_size); ++} ++ ++void yaffs_free_raw_tnode(yaffs_dev_t *dev, yaffs_tnode_t *tn) ++{ ++ dev = dev; ++ YFREE(tn); ++} ++ ++void yaffs_init_raw_objs(yaffs_dev_t *dev) ++{ ++ dev = dev; ++} ++ ++void yaffs_deinit_raw_objs(yaffs_dev_t *dev) ++{ ++ dev = dev; ++} ++ ++yaffs_obj_t *yaffs_alloc_raw_obj(yaffs_dev_t *dev) ++{ ++ dev = dev; ++ return (yaffs_obj_t *) YMALLOC(sizeof(yaffs_obj_t)); ++} ++ ++ ++void yaffs_free_raw_obj(yaffs_dev_t *dev, yaffs_obj_t *obj) ++{ ++ ++ dev = dev; ++ YFREE(obj); ++} ++ ++#else ++ ++struct yaffs_tnode_list { ++ struct yaffs_tnode_list *next; ++ yaffs_tnode_t *tnodes; ++}; ++ ++typedef struct yaffs_tnode_list yaffs_tnodelist_t; ++ ++struct yaffs_obj_tList_struct { ++ yaffs_obj_t *objects; ++ struct yaffs_obj_tList_struct *next; ++}; ++ ++typedef struct yaffs_obj_tList_struct yaffs_obj_tList; ++ ++ ++struct yaffs_AllocatorStruct { ++ int n_tnodesCreated; ++ yaffs_tnode_t *freeTnodes; ++ int nFreeTnodes; ++ yaffs_tnodelist_t *allocatedTnodeList; ++ ++ int n_objCreated; ++ yaffs_obj_t *freeObjects; ++ int nFreeObjects; ++ ++ yaffs_obj_tList *allocatedObjectList; ++}; ++ ++typedef struct yaffs_AllocatorStruct yaffs_Allocator; ++ ++ ++static void yaffs_deinit_raw_tnodes(yaffs_dev_t *dev) ++{ ++ ++ yaffs_Allocator *allocator = (yaffs_Allocator *)dev->allocator; ++ ++ yaffs_tnodelist_t *tmp; ++ ++ if(!allocator){ ++ YBUG(); ++ return; ++ } ++ ++ while (allocator->allocatedTnodeList) { ++ tmp = allocator->allocatedTnodeList->next; ++ ++ YFREE(allocator->allocatedTnodeList->tnodes); ++ YFREE(allocator->allocatedTnodeList); ++ allocator->allocatedTnodeList = tmp; ++ ++ } ++ ++ allocator->freeTnodes = NULL; ++ allocator->nFreeTnodes = 0; ++ allocator->n_tnodesCreated = 0; ++} ++ ++static void yaffs_init_raw_tnodes(yaffs_dev_t *dev) ++{ ++ yaffs_Allocator *allocator = dev->allocator; ++ ++ if(allocator){ ++ allocator->allocatedTnodeList = NULL; ++ allocator->freeTnodes = NULL; ++ allocator->nFreeTnodes = 0; ++ allocator->n_tnodesCreated = 0; ++ } else ++ YBUG(); ++} ++ ++static int yaffs_create_tnodes(yaffs_dev_t *dev, int n_tnodes) ++{ ++ yaffs_Allocator *allocator = (yaffs_Allocator *)dev->allocator; ++ int i; ++ yaffs_tnode_t *newTnodes; ++ __u8 *mem; ++ yaffs_tnode_t *curr; ++ yaffs_tnode_t *next; ++ yaffs_tnodelist_t *tnl; ++ ++ if(!allocator){ ++ YBUG(); ++ return YAFFS_FAIL; ++ } ++ ++ if (n_tnodes < 1) ++ return YAFFS_OK; ++ ++ ++ /* make these things */ ++ ++ newTnodes = YMALLOC(n_tnodes * dev->tnode_size); ++ mem = (__u8 *)newTnodes; ++ ++ if (!newTnodes) { ++ T(YAFFS_TRACE_ERROR, ++ (TSTR("yaffs: Could not allocate Tnodes" TENDSTR))); ++ return YAFFS_FAIL; ++ } ++ ++ /* New hookup for wide tnodes */ ++ for (i = 0; i < n_tnodes - 1; i++) { ++ curr = (yaffs_tnode_t *) &mem[i * dev->tnode_size]; ++ next = (yaffs_tnode_t *) &mem[(i+1) * dev->tnode_size]; ++ curr->internal[0] = next; ++ } ++ ++ curr = (yaffs_tnode_t *) &mem[(n_tnodes - 1) * dev->tnode_size]; ++ curr->internal[0] = allocator->freeTnodes; ++ allocator->freeTnodes = (yaffs_tnode_t *)mem; ++ ++ allocator->nFreeTnodes += n_tnodes; ++ allocator->n_tnodesCreated += n_tnodes; ++ ++ /* Now add this bunch of tnodes to a list for freeing up. ++ * NB If we can't add this to the management list it isn't fatal ++ * but it just means we can't free this bunch of tnodes later. ++ */ ++ ++ tnl = YMALLOC(sizeof(yaffs_tnodelist_t)); ++ if (!tnl) { ++ T(YAFFS_TRACE_ERROR, ++ (TSTR ++ ("yaffs: Could not add tnodes to management list" TENDSTR))); ++ return YAFFS_FAIL; ++ } else { ++ tnl->tnodes = newTnodes; ++ tnl->next = allocator->allocatedTnodeList; ++ allocator->allocatedTnodeList = tnl; ++ } ++ ++ T(YAFFS_TRACE_ALLOCATE, (TSTR("yaffs: Tnodes added" TENDSTR))); ++ ++ return YAFFS_OK; ++} ++ ++ ++yaffs_tnode_t *yaffs_alloc_raw_tnode(yaffs_dev_t *dev) ++{ ++ yaffs_Allocator *allocator = (yaffs_Allocator *)dev->allocator; ++ yaffs_tnode_t *tn = NULL; ++ ++ if(!allocator){ ++ YBUG(); ++ return NULL; ++ } ++ ++ /* If there are none left make more */ ++ if (!allocator->freeTnodes) ++ yaffs_create_tnodes(dev, YAFFS_ALLOCATION_NTNODES); ++ ++ if (allocator->freeTnodes) { ++ tn = allocator->freeTnodes; ++ allocator->freeTnodes = allocator->freeTnodes->internal[0]; ++ allocator->nFreeTnodes--; ++ } ++ ++ return tn; ++} ++ ++/* FreeTnode frees up a tnode and puts it back on the free list */ ++void yaffs_free_raw_tnode(yaffs_dev_t *dev, yaffs_tnode_t *tn) ++{ ++ yaffs_Allocator *allocator = dev->allocator; ++ ++ if(!allocator){ ++ YBUG(); ++ return; ++ } ++ ++ if (tn) { ++ tn->internal[0] = allocator->freeTnodes; ++ allocator->freeTnodes = tn; ++ allocator->nFreeTnodes++; ++ } ++ dev->checkpoint_blocks_required = 0; /* force recalculation*/ ++} ++ ++ ++ ++static void yaffs_init_raw_objs(yaffs_dev_t *dev) ++{ ++ yaffs_Allocator *allocator = dev->allocator; ++ ++ if(allocator) { ++ allocator->allocatedObjectList = NULL; ++ allocator->freeObjects = NULL; ++ allocator->nFreeObjects = 0; ++ } else ++ YBUG(); ++} ++ ++static void yaffs_deinit_raw_objs(yaffs_dev_t *dev) ++{ ++ yaffs_Allocator *allocator = dev->allocator; ++ yaffs_obj_tList *tmp; ++ ++ if(!allocator){ ++ YBUG(); ++ return; ++ } ++ ++ while (allocator->allocatedObjectList) { ++ tmp = allocator->allocatedObjectList->next; ++ YFREE(allocator->allocatedObjectList->objects); ++ YFREE(allocator->allocatedObjectList); ++ ++ allocator->allocatedObjectList = tmp; ++ } ++ ++ allocator->freeObjects = NULL; ++ allocator->nFreeObjects = 0; ++ allocator->n_objCreated = 0; ++} ++ ++ ++static int yaffs_create_free_objs(yaffs_dev_t *dev, int n_obj) ++{ ++ yaffs_Allocator *allocator = dev->allocator; ++ ++ int i; ++ yaffs_obj_t *newObjects; ++ yaffs_obj_tList *list; ++ ++ if(!allocator){ ++ YBUG(); ++ return YAFFS_FAIL; ++ } ++ ++ if (n_obj < 1) ++ return YAFFS_OK; ++ ++ /* make these things */ ++ newObjects = YMALLOC(n_obj * sizeof(yaffs_obj_t)); ++ list = YMALLOC(sizeof(yaffs_obj_tList)); ++ ++ if (!newObjects || !list) { ++ if (newObjects){ ++ YFREE(newObjects); ++ newObjects = NULL; ++ } ++ if (list){ ++ YFREE(list); ++ list = NULL; ++ } ++ T(YAFFS_TRACE_ALLOCATE, ++ (TSTR("yaffs: Could not allocate more objects" TENDSTR))); ++ return YAFFS_FAIL; ++ } ++ ++ /* Hook them into the free list */ ++ for (i = 0; i < n_obj - 1; i++) { ++ newObjects[i].siblings.next = ++ (struct ylist_head *)(&newObjects[i + 1]); ++ } ++ ++ newObjects[n_obj - 1].siblings.next = (void *)allocator->freeObjects; ++ allocator->freeObjects = newObjects; ++ allocator->nFreeObjects += n_obj; ++ allocator->n_objCreated += n_obj; ++ ++ /* Now add this bunch of Objects to a list for freeing up. */ ++ ++ list->objects = newObjects; ++ list->next = allocator->allocatedObjectList; ++ allocator->allocatedObjectList = list; ++ ++ return YAFFS_OK; ++} ++ ++yaffs_obj_t *yaffs_alloc_raw_obj(yaffs_dev_t *dev) ++{ ++ yaffs_obj_t *obj = NULL; ++ yaffs_Allocator *allocator = dev->allocator; ++ ++ if(!allocator) { ++ YBUG(); ++ return obj; ++ } ++ ++ /* If there are none left make more */ ++ if (!allocator->freeObjects) ++ yaffs_create_free_objs(dev, YAFFS_ALLOCATION_NOBJECTS); ++ ++ if (allocator->freeObjects) { ++ obj = allocator->freeObjects; ++ allocator->freeObjects = ++ (yaffs_obj_t *) (allocator->freeObjects->siblings.next); ++ allocator->nFreeObjects--; ++ } ++ ++ return obj; ++} ++ ++ ++void yaffs_free_raw_obj(yaffs_dev_t *dev, yaffs_obj_t *obj) ++{ ++ ++ yaffs_Allocator *allocator = dev->allocator; ++ ++ if(!allocator) ++ YBUG(); ++ else { ++ /* Link into the free list. */ ++ obj->siblings.next = (struct ylist_head *)(allocator->freeObjects); ++ allocator->freeObjects = obj; ++ allocator->nFreeObjects++; ++ } ++} ++ ++void yaffs_deinit_raw_tnodes_and_objs(yaffs_dev_t *dev) ++{ ++ if(dev->allocator){ ++ yaffs_deinit_raw_tnodes(dev); ++ yaffs_deinit_raw_objs(dev); ++ ++ YFREE(dev->allocator); ++ dev->allocator=NULL; ++ } else ++ YBUG(); ++} ++ ++void yaffs_init_raw_tnodes_and_objs(yaffs_dev_t *dev) ++{ ++ yaffs_Allocator *allocator; ++ ++ if(!dev->allocator){ ++ allocator = YMALLOC(sizeof(yaffs_Allocator)); ++ if(allocator){ ++ dev->allocator = allocator; ++ yaffs_init_raw_tnodes(dev); ++ yaffs_init_raw_objs(dev); ++ } ++ } else ++ YBUG(); ++} ++ ++ ++#endif +--- /dev/null ++++ b/fs/yaffs2/yaffs_allocator.h +@@ -0,0 +1,30 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2010 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning <charles@aleph1.co.uk> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++#ifndef __YAFFS_ALLOCATOR_H__ ++#define __YAFFS_ALLOCATOR_H__ ++ ++#include "yaffs_guts.h" ++ ++void yaffs_init_raw_tnodes_and_objs(yaffs_dev_t *dev); ++void yaffs_deinit_raw_tnodes_and_objs(yaffs_dev_t *dev); ++ ++yaffs_tnode_t *yaffs_alloc_raw_tnode(yaffs_dev_t *dev); ++void yaffs_free_raw_tnode(yaffs_dev_t *dev, yaffs_tnode_t *tn); ++ ++yaffs_obj_t *yaffs_alloc_raw_obj(yaffs_dev_t *dev); ++void yaffs_free_raw_obj(yaffs_dev_t *dev, yaffs_obj_t *obj); ++ ++#endif +--- /dev/null ++++ b/fs/yaffs2/yaffs_bitmap.c +@@ -0,0 +1,105 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2010 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning <charles@aleph1.co.uk> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include "yaffs_bitmap.h" ++#include "yaffs_trace.h" ++/* ++ * Chunk bitmap manipulations ++ */ ++ ++static Y_INLINE __u8 *yaffs_BlockBits(yaffs_dev_t *dev, int blk) ++{ ++ if (blk < dev->internal_start_block || blk > dev->internal_end_block) { ++ T(YAFFS_TRACE_ERROR, ++ (TSTR("**>> yaffs: BlockBits block %d is not valid" TENDSTR), ++ blk)); ++ YBUG(); ++ } ++ return dev->chunk_bits + ++ (dev->chunk_bit_stride * (blk - dev->internal_start_block)); ++} ++ ++void yaffs_verify_chunk_bit_id(yaffs_dev_t *dev, int blk, int chunk) ++{ ++ if (blk < dev->internal_start_block || blk > dev->internal_end_block || ++ chunk < 0 || chunk >= dev->param.chunks_per_block) { ++ T(YAFFS_TRACE_ERROR, ++ (TSTR("**>> yaffs: Chunk Id (%d:%d) invalid"TENDSTR), ++ blk, chunk)); ++ YBUG(); ++ } ++} ++ ++void yaffs_clear_chunk_bits(yaffs_dev_t *dev, int blk) ++{ ++ __u8 *blkBits = yaffs_BlockBits(dev, blk); ++ ++ memset(blkBits, 0, dev->chunk_bit_stride); ++} ++ ++void yaffs_clear_chunk_bit(yaffs_dev_t *dev, int blk, int chunk) ++{ ++ __u8 *blkBits = yaffs_BlockBits(dev, blk); ++ ++ yaffs_verify_chunk_bit_id(dev, blk, chunk); ++ ++ blkBits[chunk / 8] &= ~(1 << (chunk & 7)); ++} ++ ++void yaffs_set_chunk_bit(yaffs_dev_t *dev, int blk, int chunk) ++{ ++ __u8 *blkBits = yaffs_BlockBits(dev, blk); ++ ++ yaffs_verify_chunk_bit_id(dev, blk, chunk); ++ ++ blkBits[chunk / 8] |= (1 << (chunk & 7)); ++} ++ ++int yaffs_check_chunk_bit(yaffs_dev_t *dev, int blk, int chunk) ++{ ++ __u8 *blkBits = yaffs_BlockBits(dev, blk); ++ yaffs_verify_chunk_bit_id(dev, blk, chunk); ++ ++ return (blkBits[chunk / 8] & (1 << (chunk & 7))) ? 1 : 0; ++} ++ ++int yaffs_still_some_chunks(yaffs_dev_t *dev, int blk) ++{ ++ __u8 *blkBits = yaffs_BlockBits(dev, blk); ++ int i; ++ for (i = 0; i < dev->chunk_bit_stride; i++) { ++ if (*blkBits) ++ return 1; ++ blkBits++; ++ } ++ return 0; ++} ++ ++int yaffs_count_chunk_bits(yaffs_dev_t *dev, int blk) ++{ ++ __u8 *blkBits = yaffs_BlockBits(dev, blk); ++ int i; ++ int n = 0; ++ for (i = 0; i < dev->chunk_bit_stride; i++) { ++ __u8 x = *blkBits; ++ while (x) { ++ if (x & 1) ++ n++; ++ x >>= 1; ++ } ++ ++ blkBits++; ++ } ++ return n; ++} ++ +--- /dev/null ++++ b/fs/yaffs2/yaffs_bitmap.h +@@ -0,0 +1,31 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2010 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning <charles@aleph1.co.uk> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++/* ++ * Chunk bitmap manipulations ++ */ ++ ++#ifndef __YAFFS_BITMAP_H__ ++#define __YAFFS_BITMAP_H__ ++ ++#include "yaffs_guts.h" ++ ++void yaffs_verify_chunk_bit_id(yaffs_dev_t *dev, int blk, int chunk); ++void yaffs_clear_chunk_bits(yaffs_dev_t *dev, int blk); ++void yaffs_clear_chunk_bit(yaffs_dev_t *dev, int blk, int chunk); ++void yaffs_set_chunk_bit(yaffs_dev_t *dev, int blk, int chunk); ++int yaffs_check_chunk_bit(yaffs_dev_t *dev, int blk, int chunk); ++int yaffs_still_some_chunks(yaffs_dev_t *dev, int blk); ++int yaffs_count_chunk_bits(yaffs_dev_t *dev, int blk); ++ ++#endif +--- a/fs/yaffs2/yaffs_checkptrw.c ++++ b/fs/yaffs2/yaffs_checkptrw.c +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -11,16 +11,12 @@ + * published by the Free Software Foundation. + */ + +-const char *yaffs_checkptrw_c_version = +- "$Id: yaffs_checkptrw.c,v 1.18 2009-03-06 17:20:49 wookey Exp $"; +- +- + #include "yaffs_checkptrw.h" + #include "yaffs_getblockinfo.h" + +-static int yaffs_CheckpointSpaceOk(yaffs_Device *dev) ++static int yaffs2_checkpt_space_ok(yaffs_dev_t *dev) + { +- int blocksAvailable = dev->nErasedBlocks - dev->nReservedBlocks; ++ int blocksAvailable = dev->n_erased_blocks - dev->param.n_reserved_blocks; + + T(YAFFS_TRACE_CHECKPOINT, + (TSTR("checkpt blocks available = %d" TENDSTR), +@@ -30,53 +26,56 @@ static int yaffs_CheckpointSpaceOk(yaffs + } + + +-static int yaffs_CheckpointErase(yaffs_Device *dev) ++static int yaffs_checkpt_erase(yaffs_dev_t *dev) + { + int i; + +- if (!dev->eraseBlockInNAND) ++ if (!dev->param.erase_fn) + return 0; + T(YAFFS_TRACE_CHECKPOINT, (TSTR("checking blocks %d to %d"TENDSTR), +- dev->internalStartBlock, dev->internalEndBlock)); ++ dev->internal_start_block, dev->internal_end_block)); + +- for (i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) { +- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, i); +- if (bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT) { ++ for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) { ++ yaffs_block_info_t *bi = yaffs_get_block_info(dev, i); ++ if (bi->block_state == YAFFS_BLOCK_STATE_CHECKPOINT) { + T(YAFFS_TRACE_CHECKPOINT, (TSTR("erasing checkpt block %d"TENDSTR), i)); +- if (dev->eraseBlockInNAND(dev, i - dev->blockOffset /* realign */)) { +- bi->blockState = YAFFS_BLOCK_STATE_EMPTY; +- dev->nErasedBlocks++; +- dev->nFreeChunks += dev->nChunksPerBlock; ++ ++ dev->n_erasures++; ++ ++ if (dev->param.erase_fn(dev, i - dev->block_offset /* realign */)) { ++ bi->block_state = YAFFS_BLOCK_STATE_EMPTY; ++ dev->n_erased_blocks++; ++ dev->n_free_chunks += dev->param.chunks_per_block; + } else { +- dev->markNANDBlockBad(dev, i); +- bi->blockState = YAFFS_BLOCK_STATE_DEAD; ++ dev->param.bad_block_fn(dev, i); ++ bi->block_state = YAFFS_BLOCK_STATE_DEAD; + } + } + } + +- dev->blocksInCheckpoint = 0; ++ dev->blocks_in_checkpt = 0; + + return 1; + } + + +-static void yaffs_CheckpointFindNextErasedBlock(yaffs_Device *dev) ++static void yaffs2_checkpt_find_erased_block(yaffs_dev_t *dev) + { + int i; +- int blocksAvailable = dev->nErasedBlocks - dev->nReservedBlocks; ++ int blocksAvailable = dev->n_erased_blocks - dev->param.n_reserved_blocks; + T(YAFFS_TRACE_CHECKPOINT, + (TSTR("allocating checkpt block: erased %d reserved %d avail %d next %d "TENDSTR), +- dev->nErasedBlocks, dev->nReservedBlocks, blocksAvailable, dev->checkpointNextBlock)); ++ dev->n_erased_blocks, dev->param.n_reserved_blocks, blocksAvailable, dev->checkpt_next_block)); + +- if (dev->checkpointNextBlock >= 0 && +- dev->checkpointNextBlock <= dev->internalEndBlock && ++ if (dev->checkpt_next_block >= 0 && ++ dev->checkpt_next_block <= dev->internal_end_block && + blocksAvailable > 0) { + +- for (i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++) { +- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, i); +- if (bi->blockState == YAFFS_BLOCK_STATE_EMPTY) { +- dev->checkpointNextBlock = i + 1; +- dev->checkpointCurrentBlock = i; ++ for (i = dev->checkpt_next_block; i <= dev->internal_end_block; i++) { ++ yaffs_block_info_t *bi = yaffs_get_block_info(dev, i); ++ if (bi->block_state == YAFFS_BLOCK_STATE_EMPTY) { ++ dev->checkpt_next_block = i + 1; ++ dev->checkpt_cur_block = i; + T(YAFFS_TRACE_CHECKPOINT, (TSTR("allocating checkpt block %d"TENDSTR), i)); + return; + } +@@ -84,34 +83,34 @@ static void yaffs_CheckpointFindNextEras + } + T(YAFFS_TRACE_CHECKPOINT, (TSTR("out of checkpt blocks"TENDSTR))); + +- dev->checkpointNextBlock = -1; +- dev->checkpointCurrentBlock = -1; ++ dev->checkpt_next_block = -1; ++ dev->checkpt_cur_block = -1; + } + +-static void yaffs_CheckpointFindNextCheckpointBlock(yaffs_Device *dev) ++static void yaffs2_checkpt_find_block(yaffs_dev_t *dev) + { + int i; +- yaffs_ExtendedTags tags; ++ yaffs_ext_tags tags; + + T(YAFFS_TRACE_CHECKPOINT, (TSTR("find next checkpt block: start: blocks %d next %d" TENDSTR), +- dev->blocksInCheckpoint, dev->checkpointNextBlock)); ++ dev->blocks_in_checkpt, dev->checkpt_next_block)); + +- if (dev->blocksInCheckpoint < dev->checkpointMaxBlocks) +- for (i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++) { +- int chunk = i * dev->nChunksPerBlock; +- int realignedChunk = chunk - dev->chunkOffset; ++ if (dev->blocks_in_checkpt < dev->checkpt_max_blocks) ++ for (i = dev->checkpt_next_block; i <= dev->internal_end_block; i++) { ++ int chunk = i * dev->param.chunks_per_block; ++ int realignedChunk = chunk - dev->chunk_offset; + +- dev->readChunkWithTagsFromNAND(dev, realignedChunk, ++ dev->param.read_chunk_tags_fn(dev, realignedChunk, + NULL, &tags); + T(YAFFS_TRACE_CHECKPOINT, (TSTR("find next checkpt block: search: block %d oid %d seq %d eccr %d" TENDSTR), +- i, tags.objectId, tags.sequenceNumber, tags.eccResult)); ++ i, tags.obj_id, tags.seq_number, tags.ecc_result)); + +- if (tags.sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA) { ++ if (tags.seq_number == YAFFS_SEQUENCE_CHECKPOINT_DATA) { + /* Right kind of block */ +- dev->checkpointNextBlock = tags.objectId; +- dev->checkpointCurrentBlock = i; +- dev->checkpointBlockList[dev->blocksInCheckpoint] = i; +- dev->blocksInCheckpoint++; ++ dev->checkpt_next_block = tags.obj_id; ++ dev->checkpt_cur_block = i; ++ dev->checkpt_block_list[dev->blocks_in_checkpt] = i; ++ dev->blocks_in_checkpt++; + T(YAFFS_TRACE_CHECKPOINT, (TSTR("found checkpt block %d"TENDSTR), i)); + return; + } +@@ -119,122 +118,127 @@ static void yaffs_CheckpointFindNextChec + + T(YAFFS_TRACE_CHECKPOINT, (TSTR("found no more checkpt blocks"TENDSTR))); + +- dev->checkpointNextBlock = -1; +- dev->checkpointCurrentBlock = -1; ++ dev->checkpt_next_block = -1; ++ dev->checkpt_cur_block = -1; + } + + +-int yaffs_CheckpointOpen(yaffs_Device *dev, int forWriting) ++int yaffs2_checkpt_open(yaffs_dev_t *dev, int forWriting) + { + ++ ++ dev->checkpt_open_write = forWriting; ++ + /* Got the functions we need? */ +- if (!dev->writeChunkWithTagsToNAND || +- !dev->readChunkWithTagsFromNAND || +- !dev->eraseBlockInNAND || +- !dev->markNANDBlockBad) ++ if (!dev->param.write_chunk_tags_fn || ++ !dev->param.read_chunk_tags_fn || ++ !dev->param.erase_fn || ++ !dev->param.bad_block_fn) + return 0; + +- if (forWriting && !yaffs_CheckpointSpaceOk(dev)) ++ if (forWriting && !yaffs2_checkpt_space_ok(dev)) + return 0; + +- if (!dev->checkpointBuffer) +- dev->checkpointBuffer = YMALLOC_DMA(dev->totalBytesPerChunk); +- if (!dev->checkpointBuffer) ++ if (!dev->checkpt_buffer) ++ dev->checkpt_buffer = YMALLOC_DMA(dev->param.total_bytes_per_chunk); ++ if (!dev->checkpt_buffer) + return 0; + + +- dev->checkpointPageSequence = 0; +- +- dev->checkpointOpenForWrite = forWriting; +- +- dev->checkpointByteCount = 0; +- dev->checkpointSum = 0; +- dev->checkpointXor = 0; +- dev->checkpointCurrentBlock = -1; +- dev->checkpointCurrentChunk = -1; +- dev->checkpointNextBlock = dev->internalStartBlock; ++ dev->checkpt_page_seq = 0; ++ dev->checkpt_byte_count = 0; ++ dev->checkpt_sum = 0; ++ dev->checkpt_xor = 0; ++ dev->checkpt_cur_block = -1; ++ dev->checkpt_cur_chunk = -1; ++ dev->checkpt_next_block = dev->internal_start_block; + + /* Erase all the blocks in the checkpoint area */ + if (forWriting) { +- memset(dev->checkpointBuffer, 0, dev->nDataBytesPerChunk); +- dev->checkpointByteOffset = 0; +- return yaffs_CheckpointErase(dev); ++ memset(dev->checkpt_buffer, 0, dev->data_bytes_per_chunk); ++ dev->checkpt_byte_offs = 0; ++ return yaffs_checkpt_erase(dev); + } else { + int i; + /* Set to a value that will kick off a read */ +- dev->checkpointByteOffset = dev->nDataBytesPerChunk; ++ dev->checkpt_byte_offs = dev->data_bytes_per_chunk; + /* A checkpoint block list of 1 checkpoint block per 16 block is (hopefully) + * going to be way more than we need */ +- dev->blocksInCheckpoint = 0; +- dev->checkpointMaxBlocks = (dev->internalEndBlock - dev->internalStartBlock)/16 + 2; +- dev->checkpointBlockList = YMALLOC(sizeof(int) * dev->checkpointMaxBlocks); +- for (i = 0; i < dev->checkpointMaxBlocks; i++) +- dev->checkpointBlockList[i] = -1; ++ dev->blocks_in_checkpt = 0; ++ dev->checkpt_max_blocks = (dev->internal_end_block - dev->internal_start_block)/16 + 2; ++ dev->checkpt_block_list = YMALLOC(sizeof(int) * dev->checkpt_max_blocks); ++ if(!dev->checkpt_block_list) ++ return 0; ++ ++ for (i = 0; i < dev->checkpt_max_blocks; i++) ++ dev->checkpt_block_list[i] = -1; + } + + return 1; + } + +-int yaffs_GetCheckpointSum(yaffs_Device *dev, __u32 *sum) ++int yaffs2_get_checkpt_sum(yaffs_dev_t *dev, __u32 *sum) + { + __u32 compositeSum; +- compositeSum = (dev->checkpointSum << 8) | (dev->checkpointXor & 0xFF); ++ compositeSum = (dev->checkpt_sum << 8) | (dev->checkpt_xor & 0xFF); + *sum = compositeSum; + return 1; + } + +-static int yaffs_CheckpointFlushBuffer(yaffs_Device *dev) ++static int yaffs2_checkpt_flush_buffer(yaffs_dev_t *dev) + { + int chunk; + int realignedChunk; + +- yaffs_ExtendedTags tags; ++ yaffs_ext_tags tags; + +- if (dev->checkpointCurrentBlock < 0) { +- yaffs_CheckpointFindNextErasedBlock(dev); +- dev->checkpointCurrentChunk = 0; ++ if (dev->checkpt_cur_block < 0) { ++ yaffs2_checkpt_find_erased_block(dev); ++ dev->checkpt_cur_chunk = 0; + } + +- if (dev->checkpointCurrentBlock < 0) ++ if (dev->checkpt_cur_block < 0) + return 0; + +- tags.chunkDeleted = 0; +- tags.objectId = dev->checkpointNextBlock; /* Hint to next place to look */ +- tags.chunkId = dev->checkpointPageSequence + 1; +- tags.sequenceNumber = YAFFS_SEQUENCE_CHECKPOINT_DATA; +- tags.byteCount = dev->nDataBytesPerChunk; +- if (dev->checkpointCurrentChunk == 0) { ++ tags.is_deleted = 0; ++ tags.obj_id = dev->checkpt_next_block; /* Hint to next place to look */ ++ tags.chunk_id = dev->checkpt_page_seq + 1; ++ tags.seq_number = YAFFS_SEQUENCE_CHECKPOINT_DATA; ++ tags.n_bytes = dev->data_bytes_per_chunk; ++ if (dev->checkpt_cur_chunk == 0) { + /* First chunk we write for the block? Set block state to + checkpoint */ +- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, dev->checkpointCurrentBlock); +- bi->blockState = YAFFS_BLOCK_STATE_CHECKPOINT; +- dev->blocksInCheckpoint++; ++ yaffs_block_info_t *bi = yaffs_get_block_info(dev, dev->checkpt_cur_block); ++ bi->block_state = YAFFS_BLOCK_STATE_CHECKPOINT; ++ dev->blocks_in_checkpt++; + } + +- chunk = dev->checkpointCurrentBlock * dev->nChunksPerBlock + dev->checkpointCurrentChunk; ++ chunk = dev->checkpt_cur_block * dev->param.chunks_per_block + dev->checkpt_cur_chunk; + + + T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint wite buffer nand %d(%d:%d) objid %d chId %d" TENDSTR), +- chunk, dev->checkpointCurrentBlock, dev->checkpointCurrentChunk, tags.objectId, tags.chunkId)); ++ chunk, dev->checkpt_cur_block, dev->checkpt_cur_chunk, tags.obj_id, tags.chunk_id)); + +- realignedChunk = chunk - dev->chunkOffset; ++ realignedChunk = chunk - dev->chunk_offset; + +- dev->writeChunkWithTagsToNAND(dev, realignedChunk, +- dev->checkpointBuffer, &tags); +- dev->checkpointByteOffset = 0; +- dev->checkpointPageSequence++; +- dev->checkpointCurrentChunk++; +- if (dev->checkpointCurrentChunk >= dev->nChunksPerBlock) { +- dev->checkpointCurrentChunk = 0; +- dev->checkpointCurrentBlock = -1; ++ dev->n_page_writes++; ++ ++ dev->param.write_chunk_tags_fn(dev, realignedChunk, ++ dev->checkpt_buffer, &tags); ++ dev->checkpt_byte_offs = 0; ++ dev->checkpt_page_seq++; ++ dev->checkpt_cur_chunk++; ++ if (dev->checkpt_cur_chunk >= dev->param.chunks_per_block) { ++ dev->checkpt_cur_chunk = 0; ++ dev->checkpt_cur_block = -1; + } +- memset(dev->checkpointBuffer, 0, dev->nDataBytesPerChunk); ++ memset(dev->checkpt_buffer, 0, dev->data_bytes_per_chunk); + + return 1; + } + + +-int yaffs_CheckpointWrite(yaffs_Device *dev, const void *data, int nBytes) ++int yaffs2_checkpt_wr(yaffs_dev_t *dev, const void *data, int n_bytes) + { + int i = 0; + int ok = 1; +@@ -244,36 +248,36 @@ int yaffs_CheckpointWrite(yaffs_Device * + + + +- if (!dev->checkpointBuffer) ++ if (!dev->checkpt_buffer) + return 0; + +- if (!dev->checkpointOpenForWrite) ++ if (!dev->checkpt_open_write) + return -1; + +- while (i < nBytes && ok) { +- dev->checkpointBuffer[dev->checkpointByteOffset] = *dataBytes; +- dev->checkpointSum += *dataBytes; +- dev->checkpointXor ^= *dataBytes; ++ while (i < n_bytes && ok) { ++ dev->checkpt_buffer[dev->checkpt_byte_offs] = *dataBytes; ++ dev->checkpt_sum += *dataBytes; ++ dev->checkpt_xor ^= *dataBytes; + +- dev->checkpointByteOffset++; ++ dev->checkpt_byte_offs++; + i++; + dataBytes++; +- dev->checkpointByteCount++; ++ dev->checkpt_byte_count++; + + +- if (dev->checkpointByteOffset < 0 || +- dev->checkpointByteOffset >= dev->nDataBytesPerChunk) +- ok = yaffs_CheckpointFlushBuffer(dev); ++ if (dev->checkpt_byte_offs < 0 || ++ dev->checkpt_byte_offs >= dev->data_bytes_per_chunk) ++ ok = yaffs2_checkpt_flush_buffer(dev); + } + + return i; + } + +-int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes) ++int yaffs2_checkpt_rd(yaffs_dev_t *dev, void *data, int n_bytes) + { + int i = 0; + int ok = 1; +- yaffs_ExtendedTags tags; ++ yaffs_ext_tags tags; + + + int chunk; +@@ -281,113 +285,116 @@ int yaffs_CheckpointRead(yaffs_Device *d + + __u8 *dataBytes = (__u8 *)data; + +- if (!dev->checkpointBuffer) ++ if (!dev->checkpt_buffer) + return 0; + +- if (dev->checkpointOpenForWrite) ++ if (dev->checkpt_open_write) + return -1; + +- while (i < nBytes && ok) { ++ while (i < n_bytes && ok) { + + +- if (dev->checkpointByteOffset < 0 || +- dev->checkpointByteOffset >= dev->nDataBytesPerChunk) { ++ if (dev->checkpt_byte_offs < 0 || ++ dev->checkpt_byte_offs >= dev->data_bytes_per_chunk) { + +- if (dev->checkpointCurrentBlock < 0) { +- yaffs_CheckpointFindNextCheckpointBlock(dev); +- dev->checkpointCurrentChunk = 0; ++ if (dev->checkpt_cur_block < 0) { ++ yaffs2_checkpt_find_block(dev); ++ dev->checkpt_cur_chunk = 0; + } + +- if (dev->checkpointCurrentBlock < 0) ++ if (dev->checkpt_cur_block < 0) + ok = 0; + else { +- chunk = dev->checkpointCurrentBlock * +- dev->nChunksPerBlock + +- dev->checkpointCurrentChunk; +- +- realignedChunk = chunk - dev->chunkOffset; ++ chunk = dev->checkpt_cur_block * ++ dev->param.chunks_per_block + ++ dev->checkpt_cur_chunk; ++ ++ realignedChunk = chunk - dev->chunk_offset; ++ ++ dev->n_page_reads++; + + /* read in the next chunk */ + /* printf("read checkpoint page %d\n",dev->checkpointPage); */ +- dev->readChunkWithTagsFromNAND(dev, ++ dev->param.read_chunk_tags_fn(dev, + realignedChunk, +- dev->checkpointBuffer, ++ dev->checkpt_buffer, + &tags); + +- if (tags.chunkId != (dev->checkpointPageSequence + 1) || +- tags.eccResult > YAFFS_ECC_RESULT_FIXED || +- tags.sequenceNumber != YAFFS_SEQUENCE_CHECKPOINT_DATA) ++ if (tags.chunk_id != (dev->checkpt_page_seq + 1) || ++ tags.ecc_result > YAFFS_ECC_RESULT_FIXED || ++ tags.seq_number != YAFFS_SEQUENCE_CHECKPOINT_DATA) + ok = 0; + +- dev->checkpointByteOffset = 0; +- dev->checkpointPageSequence++; +- dev->checkpointCurrentChunk++; ++ dev->checkpt_byte_offs = 0; ++ dev->checkpt_page_seq++; ++ dev->checkpt_cur_chunk++; + +- if (dev->checkpointCurrentChunk >= dev->nChunksPerBlock) +- dev->checkpointCurrentBlock = -1; ++ if (dev->checkpt_cur_chunk >= dev->param.chunks_per_block) ++ dev->checkpt_cur_block = -1; + } + } + + if (ok) { +- *dataBytes = dev->checkpointBuffer[dev->checkpointByteOffset]; +- dev->checkpointSum += *dataBytes; +- dev->checkpointXor ^= *dataBytes; +- dev->checkpointByteOffset++; ++ *dataBytes = dev->checkpt_buffer[dev->checkpt_byte_offs]; ++ dev->checkpt_sum += *dataBytes; ++ dev->checkpt_xor ^= *dataBytes; ++ dev->checkpt_byte_offs++; + i++; + dataBytes++; +- dev->checkpointByteCount++; ++ dev->checkpt_byte_count++; + } + } + + return i; + } + +-int yaffs_CheckpointClose(yaffs_Device *dev) ++int yaffs_checkpt_close(yaffs_dev_t *dev) + { + +- if (dev->checkpointOpenForWrite) { +- if (dev->checkpointByteOffset != 0) +- yaffs_CheckpointFlushBuffer(dev); +- } else { ++ if (dev->checkpt_open_write) { ++ if (dev->checkpt_byte_offs != 0) ++ yaffs2_checkpt_flush_buffer(dev); ++ } else if(dev->checkpt_block_list){ + int i; +- for (i = 0; i < dev->blocksInCheckpoint && dev->checkpointBlockList[i] >= 0; i++) { +- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, dev->checkpointBlockList[i]); +- if (bi->blockState == YAFFS_BLOCK_STATE_EMPTY) +- bi->blockState = YAFFS_BLOCK_STATE_CHECKPOINT; ++ for (i = 0; i < dev->blocks_in_checkpt && dev->checkpt_block_list[i] >= 0; i++) { ++ int blk = dev->checkpt_block_list[i]; ++ yaffs_block_info_t *bi = NULL; ++ if( dev->internal_start_block <= blk && blk <= dev->internal_end_block) ++ bi = yaffs_get_block_info(dev, blk); ++ if (bi && bi->block_state == YAFFS_BLOCK_STATE_EMPTY) ++ bi->block_state = YAFFS_BLOCK_STATE_CHECKPOINT; + else { + /* Todo this looks odd... */ + } + } +- YFREE(dev->checkpointBlockList); +- dev->checkpointBlockList = NULL; ++ YFREE(dev->checkpt_block_list); ++ dev->checkpt_block_list = NULL; + } + +- dev->nFreeChunks -= dev->blocksInCheckpoint * dev->nChunksPerBlock; +- dev->nErasedBlocks -= dev->blocksInCheckpoint; ++ dev->n_free_chunks -= dev->blocks_in_checkpt * dev->param.chunks_per_block; ++ dev->n_erased_blocks -= dev->blocks_in_checkpt; + + + T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint byte count %d" TENDSTR), +- dev->checkpointByteCount)); ++ dev->checkpt_byte_count)); + +- if (dev->checkpointBuffer) { ++ if (dev->checkpt_buffer) { + /* free the buffer */ +- YFREE(dev->checkpointBuffer); +- dev->checkpointBuffer = NULL; ++ YFREE(dev->checkpt_buffer); ++ dev->checkpt_buffer = NULL; + return 1; + } else + return 0; + } + +-int yaffs_CheckpointInvalidateStream(yaffs_Device *dev) ++int yaffs2_checkpt_invalidate_stream(yaffs_dev_t *dev) + { +- /* Erase the first checksum block */ +- +- T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint invalidate"TENDSTR))); ++ /* Erase the checkpoint data */ + +- if (!yaffs_CheckpointSpaceOk(dev)) +- return 0; ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint invalidate of %d blocks"TENDSTR), ++ dev->blocks_in_checkpt)); + +- return yaffs_CheckpointErase(dev); ++ return yaffs_checkpt_erase(dev); + } + + +--- a/fs/yaffs2/yaffs_checkptrw.h ++++ b/fs/yaffs2/yaffs_checkptrw.h +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -18,18 +18,17 @@ + + #include "yaffs_guts.h" + +-int yaffs_CheckpointOpen(yaffs_Device *dev, int forWriting); ++int yaffs2_checkpt_open(yaffs_dev_t *dev, int forWriting); + +-int yaffs_CheckpointWrite(yaffs_Device *dev, const void *data, int nBytes); ++int yaffs2_checkpt_wr(yaffs_dev_t *dev, const void *data, int n_bytes); + +-int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes); ++int yaffs2_checkpt_rd(yaffs_dev_t *dev, void *data, int n_bytes); + +-int yaffs_GetCheckpointSum(yaffs_Device *dev, __u32 *sum); ++int yaffs2_get_checkpt_sum(yaffs_dev_t *dev, __u32 *sum); + +-int yaffs_CheckpointClose(yaffs_Device *dev); ++int yaffs_checkpt_close(yaffs_dev_t *dev); + +-int yaffs_CheckpointInvalidateStream(yaffs_Device *dev); ++int yaffs2_checkpt_invalidate_stream(yaffs_dev_t *dev); + + + #endif +- +--- a/fs/yaffs2/yaffs_ecc.c ++++ b/fs/yaffs2/yaffs_ecc.c +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -28,9 +28,6 @@ + * this bytes influence on the line parity. + */ + +-const char *yaffs_ecc_c_version = +- "$Id: yaffs_ecc.c,v 1.11 2009-03-06 17:20:50 wookey Exp $"; +- + #include "yportenv.h" + + #include "yaffs_ecc.h" +@@ -72,7 +69,7 @@ static const unsigned char column_parity + + /* Count the bits in an unsigned char or a U32 */ + +-static int yaffs_CountBits(unsigned char x) ++static int yaffs_count_bits(unsigned char x) + { + int r = 0; + while (x) { +@@ -83,7 +80,7 @@ static int yaffs_CountBits(unsigned char + return r; + } + +-static int yaffs_CountBits32(unsigned x) ++static int yaffs_count_bits32(unsigned x) + { + int r = 0; + while (x) { +@@ -95,7 +92,7 @@ static int yaffs_CountBits32(unsigned x) + } + + /* Calculate the ECC for a 256-byte block of data */ +-void yaffs_ECCCalculate(const unsigned char *data, unsigned char *ecc) ++void yaffs_ecc_cacl(const unsigned char *data, unsigned char *ecc) + { + unsigned int i; + +@@ -166,7 +163,7 @@ void yaffs_ECCCalculate(const unsigned c + + /* Correct the ECC on a 256 byte block of data */ + +-int yaffs_ECCCorrect(unsigned char *data, unsigned char *read_ecc, ++int yaffs_ecc_correct(unsigned char *data, unsigned char *read_ecc, + const unsigned char *test_ecc) + { + unsigned char d0, d1, d2; /* deltas */ +@@ -226,9 +223,9 @@ int yaffs_ECCCorrect(unsigned char *data + return 1; /* Corrected the error */ + } + +- if ((yaffs_CountBits(d0) + +- yaffs_CountBits(d1) + +- yaffs_CountBits(d2)) == 1) { ++ if ((yaffs_count_bits(d0) + ++ yaffs_count_bits(d1) + ++ yaffs_count_bits(d2)) == 1) { + /* Reccoverable error in ecc */ + + read_ecc[0] = test_ecc[0]; +@@ -248,7 +245,7 @@ int yaffs_ECCCorrect(unsigned char *data + /* + * ECCxxxOther does ECC calcs on arbitrary n bytes of data + */ +-void yaffs_ECCCalculateOther(const unsigned char *data, unsigned nBytes, ++void yaffs_ecc_calc_other(const unsigned char *data, unsigned n_bytes, + yaffs_ECCOther *eccOther) + { + unsigned int i; +@@ -258,7 +255,7 @@ void yaffs_ECCCalculateOther(const unsig + unsigned line_parity_prime = 0; + unsigned char b; + +- for (i = 0; i < nBytes; i++) { ++ for (i = 0; i < n_bytes; i++) { + b = column_parity_table[*data++]; + col_parity ^= b; + +@@ -275,7 +272,7 @@ void yaffs_ECCCalculateOther(const unsig + eccOther->lineParityPrime = line_parity_prime; + } + +-int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes, ++int yaffs_ecc_correct_other(unsigned char *data, unsigned n_bytes, + yaffs_ECCOther *read_ecc, + const yaffs_ECCOther *test_ecc) + { +@@ -304,7 +301,7 @@ int yaffs_ECCCorrectOther(unsigned char + if (cDelta & 0x02) + bit |= 0x01; + +- if (lDelta >= nBytes) ++ if (lDelta >= n_bytes) + return -1; + + data[lDelta] ^= (1 << bit); +@@ -312,8 +309,8 @@ int yaffs_ECCCorrectOther(unsigned char + return 1; /* corrected */ + } + +- if ((yaffs_CountBits32(lDelta) + yaffs_CountBits32(lDeltaPrime) + +- yaffs_CountBits(cDelta)) == 1) { ++ if ((yaffs_count_bits32(lDelta) + yaffs_count_bits32(lDeltaPrime) + ++ yaffs_count_bits(cDelta)) == 1) { + /* Reccoverable error in ecc */ + + *read_ecc = *test_ecc; +--- a/fs/yaffs2/yaffs_ecc.h ++++ b/fs/yaffs2/yaffs_ecc.h +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -32,13 +32,13 @@ typedef struct { + unsigned lineParityPrime; + } yaffs_ECCOther; + +-void yaffs_ECCCalculate(const unsigned char *data, unsigned char *ecc); +-int yaffs_ECCCorrect(unsigned char *data, unsigned char *read_ecc, ++void yaffs_ecc_cacl(const unsigned char *data, unsigned char *ecc); ++int yaffs_ecc_correct(unsigned char *data, unsigned char *read_ecc, + const unsigned char *test_ecc); + +-void yaffs_ECCCalculateOther(const unsigned char *data, unsigned nBytes, ++void yaffs_ecc_calc_other(const unsigned char *data, unsigned n_bytes, + yaffs_ECCOther *ecc); +-int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes, ++int yaffs_ecc_correct_other(unsigned char *data, unsigned n_bytes, + yaffs_ECCOther *read_ecc, + const yaffs_ECCOther *test_ecc); + #endif +--- a/fs/yaffs2/yaffs_fs.c ++++ /dev/null +@@ -1,2529 +0,0 @@ +-/* +- * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. +- * +- * Copyright (C) 2002-2009 Aleph One Ltd. +- * for Toby Churchill Ltd and Brightstar Engineering +- * +- * Created by Charles Manning <charles@aleph1.co.uk> +- * Acknowledgements: +- * Luc van OostenRyck for numerous patches. +- * Nick Bane for numerous patches. +- * Nick Bane for 2.5/2.6 integration. +- * Andras Toth for mknod rdev issue. +- * Michael Fischer for finding the problem with inode inconsistency. +- * Some code bodily lifted from JFFS +- * +- * This program is free software; you can redistribute it and/or modify +- * it under the terms of the GNU General Public License version 2 as +- * published by the Free Software Foundation. +- */ +- +-/* +- * +- * This is the file system front-end to YAFFS that hooks it up to +- * the VFS. +- * +- * Special notes: +- * >> 2.4: sb->u.generic_sbp points to the yaffs_Device associated with +- * this superblock +- * >> 2.6: sb->s_fs_info points to the yaffs_Device associated with this +- * superblock +- * >> inode->u.generic_ip points to the associated yaffs_Object. +- */ +- +-const char *yaffs_fs_c_version = +- "$Id: yaffs_fs.c,v 1.79 2009-03-17 01:12:00 wookey Exp $"; +-extern const char *yaffs_guts_c_version; +- +-#include <linux/version.h> +-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)) +-#include <linux/config.h> +-#endif +-#include <linux/kernel.h> +-#include <linux/module.h> +-#include <linux/slab.h> +-#include <linux/init.h> +-#include <linux/fs.h> +-#include <linux/proc_fs.h> +-#include <linux/smp_lock.h> +-#include <linux/pagemap.h> +-#include <linux/mtd/mtd.h> +-#include <linux/interrupt.h> +-#include <linux/string.h> +-#include <linux/ctype.h> +- +-#include "asm/div64.h" +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) +- +-#include <linux/statfs.h> /* Added NCB 15-8-2003 */ +-#include <linux/statfs.h> +-#define UnlockPage(p) unlock_page(p) +-#define Page_Uptodate(page) test_bit(PG_uptodate, &(page)->flags) +- +-/* FIXME: use sb->s_id instead ? */ +-#define yaffs_devname(sb, buf) bdevname(sb->s_bdev, buf) +- +-#else +- +-#include <linux/locks.h> +-#define BDEVNAME_SIZE 0 +-#define yaffs_devname(sb, buf) kdevname(sb->s_dev) +- +-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0)) +-/* added NCB 26/5/2006 for 2.4.25-vrs2-tcl1 kernel */ +-#define __user +-#endif +- +-#endif +- +-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26)) +-#define YPROC_ROOT (&proc_root) +-#else +-#define YPROC_ROOT NULL +-#endif +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) +-#define WRITE_SIZE_STR "writesize" +-#define WRITE_SIZE(mtd) ((mtd)->writesize) +-#else +-#define WRITE_SIZE_STR "oobblock" +-#define WRITE_SIZE(mtd) ((mtd)->oobblock) +-#endif +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 27)) +-#define YAFFS_USE_WRITE_BEGIN_END 1 +-#else +-#define YAFFS_USE_WRITE_BEGIN_END 0 +-#endif +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 28)) +-static uint32_t YCALCBLOCKS(uint64_t partition_size, uint32_t block_size) +-{ +- uint64_t result = partition_size; +- do_div(result, block_size); +- return (uint32_t)result; +-} +-#else +-#define YCALCBLOCKS(s, b) ((s)/(b)) +-#endif +- +-#include <linux/uaccess.h> +- +-#include "yportenv.h" +-#include "yaffs_guts.h" +- +-#include <linux/mtd/mtd.h> +-#include "yaffs_mtdif.h" +-#include "yaffs_mtdif1.h" +-#include "yaffs_mtdif2.h" +- +-unsigned int yaffs_traceMask = YAFFS_TRACE_BAD_BLOCKS; +-unsigned int yaffs_wr_attempts = YAFFS_WR_ATTEMPTS; +-unsigned int yaffs_auto_checkpoint = 1; +- +-/* Module Parameters */ +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) +-module_param(yaffs_traceMask, uint, 0644); +-module_param(yaffs_wr_attempts, uint, 0644); +-module_param(yaffs_auto_checkpoint, uint, 0644); +-#else +-MODULE_PARM(yaffs_traceMask, "i"); +-MODULE_PARM(yaffs_wr_attempts, "i"); +-MODULE_PARM(yaffs_auto_checkpoint, "i"); +-#endif +- +-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25)) +-/* use iget and read_inode */ +-#define Y_IGET(sb, inum) iget((sb), (inum)) +-static void yaffs_read_inode(struct inode *inode); +- +-#else +-/* Call local equivalent */ +-#define YAFFS_USE_OWN_IGET +-#define Y_IGET(sb, inum) yaffs_iget((sb), (inum)) +- +-static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino); +-#endif +- +-/*#define T(x) printk x */ +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 18)) +-#define yaffs_InodeToObjectLV(iptr) ((iptr)->i_private) +-#else +-#define yaffs_InodeToObjectLV(iptr) ((iptr)->u.generic_ip) +-#endif +- +-#define yaffs_InodeToObject(iptr) ((yaffs_Object *)(yaffs_InodeToObjectLV(iptr))) +-#define yaffs_DentryToObject(dptr) yaffs_InodeToObject((dptr)->d_inode) +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) +-#define yaffs_SuperToDevice(sb) ((yaffs_Device *)sb->s_fs_info) +-#else +-#define yaffs_SuperToDevice(sb) ((yaffs_Device *)sb->u.generic_sbp) +-#endif +- +-static void yaffs_put_super(struct super_block *sb); +- +-static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n, +- loff_t *pos); +-static ssize_t yaffs_hold_space(struct file *f); +-static void yaffs_release_space(struct file *f); +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) +-static int yaffs_file_flush(struct file *file, fl_owner_t id); +-#else +-static int yaffs_file_flush(struct file *file); +-#endif +- +-static int yaffs_sync_object(struct file *file, struct dentry *dentry, +- int datasync); +- +-static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir); +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) +-static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode, +- struct nameidata *n); +-static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry, +- struct nameidata *n); +-#else +-static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode); +-static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry); +-#endif +-static int yaffs_link(struct dentry *old_dentry, struct inode *dir, +- struct dentry *dentry); +-static int yaffs_unlink(struct inode *dir, struct dentry *dentry); +-static int yaffs_symlink(struct inode *dir, struct dentry *dentry, +- const char *symname); +-static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode); +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) +-static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, +- dev_t dev); +-#else +-static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, +- int dev); +-#endif +-static int yaffs_rename(struct inode *old_dir, struct dentry *old_dentry, +- struct inode *new_dir, struct dentry *new_dentry); +-static int yaffs_setattr(struct dentry *dentry, struct iattr *attr); +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) +-static int yaffs_sync_fs(struct super_block *sb, int wait); +-static void yaffs_write_super(struct super_block *sb); +-#else +-static int yaffs_sync_fs(struct super_block *sb); +-static int yaffs_write_super(struct super_block *sb); +-#endif +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) +-static int yaffs_statfs(struct dentry *dentry, struct kstatfs *buf); +-#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) +-static int yaffs_statfs(struct super_block *sb, struct kstatfs *buf); +-#else +-static int yaffs_statfs(struct super_block *sb, struct statfs *buf); +-#endif +- +-#ifdef YAFFS_HAS_PUT_INODE +-static void yaffs_put_inode(struct inode *inode); +-#endif +- +-static void yaffs_delete_inode(struct inode *); +-static void yaffs_clear_inode(struct inode *); +- +-static int yaffs_readpage(struct file *file, struct page *page); +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) +-static int yaffs_writepage(struct page *page, struct writeback_control *wbc); +-#else +-static int yaffs_writepage(struct page *page); +-#endif +- +- +-#if (YAFFS_USE_WRITE_BEGIN_END != 0) +-static int yaffs_write_begin(struct file *filp, struct address_space *mapping, +- loff_t pos, unsigned len, unsigned flags, +- struct page **pagep, void **fsdata); +-static int yaffs_write_end(struct file *filp, struct address_space *mapping, +- loff_t pos, unsigned len, unsigned copied, +- struct page *pg, void *fsdadata); +-#else +-static int yaffs_prepare_write(struct file *f, struct page *pg, +- unsigned offset, unsigned to); +-static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset, +- unsigned to); +- +-#endif +- +-static int yaffs_readlink(struct dentry *dentry, char __user *buffer, +- int buflen); +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13)) +-static void *yaffs_follow_link(struct dentry *dentry, struct nameidata *nd); +-#else +-static int yaffs_follow_link(struct dentry *dentry, struct nameidata *nd); +-#endif +- +-static struct address_space_operations yaffs_file_address_operations = { +- .readpage = yaffs_readpage, +- .writepage = yaffs_writepage, +-#if (YAFFS_USE_WRITE_BEGIN_END > 0) +- .write_begin = yaffs_write_begin, +- .write_end = yaffs_write_end, +-#else +- .prepare_write = yaffs_prepare_write, +- .commit_write = yaffs_commit_write, +-#endif +-}; +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 22)) +-static const struct file_operations yaffs_file_operations = { +- .read = do_sync_read, +- .write = do_sync_write, +- .aio_read = generic_file_aio_read, +- .aio_write = generic_file_aio_write, +- .mmap = generic_file_mmap, +- .flush = yaffs_file_flush, +- .fsync = yaffs_sync_object, +- .splice_read = generic_file_splice_read, +- .splice_write = generic_file_splice_write, +- .llseek = generic_file_llseek, +-}; +- +-#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 18)) +- +-static const struct file_operations yaffs_file_operations = { +- .read = do_sync_read, +- .write = do_sync_write, +- .aio_read = generic_file_aio_read, +- .aio_write = generic_file_aio_write, +- .mmap = generic_file_mmap, +- .flush = yaffs_file_flush, +- .fsync = yaffs_sync_object, +- .sendfile = generic_file_sendfile, +-}; +- +-#else +- +-static const struct file_operations yaffs_file_operations = { +- .read = generic_file_read, +- .write = generic_file_write, +- .mmap = generic_file_mmap, +- .flush = yaffs_file_flush, +- .fsync = yaffs_sync_object, +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) +- .sendfile = generic_file_sendfile, +-#endif +-}; +-#endif +- +-static const struct inode_operations yaffs_file_inode_operations = { +- .setattr = yaffs_setattr, +-}; +- +-static const struct inode_operations yaffs_symlink_inode_operations = { +- .readlink = yaffs_readlink, +- .follow_link = yaffs_follow_link, +- .setattr = yaffs_setattr, +-}; +- +-static const struct inode_operations yaffs_dir_inode_operations = { +- .create = yaffs_create, +- .lookup = yaffs_lookup, +- .link = yaffs_link, +- .unlink = yaffs_unlink, +- .symlink = yaffs_symlink, +- .mkdir = yaffs_mkdir, +- .rmdir = yaffs_unlink, +- .mknod = yaffs_mknod, +- .rename = yaffs_rename, +- .setattr = yaffs_setattr, +-}; +- +-static const struct file_operations yaffs_dir_operations = { +- .read = generic_read_dir, +- .readdir = yaffs_readdir, +- .fsync = yaffs_sync_object, +-}; +- +-static const struct super_operations yaffs_super_ops = { +- .statfs = yaffs_statfs, +- +-#ifndef YAFFS_USE_OWN_IGET +- .read_inode = yaffs_read_inode, +-#endif +-#ifdef YAFFS_HAS_PUT_INODE +- .put_inode = yaffs_put_inode, +-#endif +- .put_super = yaffs_put_super, +- .delete_inode = yaffs_delete_inode, +- .clear_inode = yaffs_clear_inode, +- .sync_fs = yaffs_sync_fs, +- .write_super = yaffs_write_super, +-}; +- +-static void yaffs_GrossLock(yaffs_Device *dev) +-{ +- T(YAFFS_TRACE_OS, ("yaffs locking %p\n", current)); +- down(&dev->grossLock); +- T(YAFFS_TRACE_OS, ("yaffs locked %p\n", current)); +-} +- +-static void yaffs_GrossUnlock(yaffs_Device *dev) +-{ +- T(YAFFS_TRACE_OS, ("yaffs unlocking %p\n", current)); +- up(&dev->grossLock); +-} +- +-static int yaffs_readlink(struct dentry *dentry, char __user *buffer, +- int buflen) +-{ +- unsigned char *alias; +- int ret; +- +- yaffs_Device *dev = yaffs_DentryToObject(dentry)->myDev; +- +- yaffs_GrossLock(dev); +- +- alias = yaffs_GetSymlinkAlias(yaffs_DentryToObject(dentry)); +- +- yaffs_GrossUnlock(dev); +- +- if (!alias) +- return -ENOMEM; +- +- ret = vfs_readlink(dentry, buffer, buflen, alias); +- kfree(alias); +- return ret; +-} +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13)) +-static void *yaffs_follow_link(struct dentry *dentry, struct nameidata *nd) +-#else +-static int yaffs_follow_link(struct dentry *dentry, struct nameidata *nd) +-#endif +-{ +- unsigned char *alias; +- int ret; +- yaffs_Device *dev = yaffs_DentryToObject(dentry)->myDev; +- +- yaffs_GrossLock(dev); +- +- alias = yaffs_GetSymlinkAlias(yaffs_DentryToObject(dentry)); +- +- yaffs_GrossUnlock(dev); +- +- if (!alias) { +- ret = -ENOMEM; +- goto out; +- } +- +- ret = vfs_follow_link(nd, alias); +- kfree(alias); +-out: +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13)) +- return ERR_PTR(ret); +-#else +- return ret; +-#endif +-} +- +-struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev, +- yaffs_Object *obj); +- +-/* +- * Lookup is used to find objects in the fs +- */ +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) +- +-static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry, +- struct nameidata *n) +-#else +-static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry) +-#endif +-{ +- yaffs_Object *obj; +- struct inode *inode = NULL; /* NCB 2.5/2.6 needs NULL here */ +- +- yaffs_Device *dev = yaffs_InodeToObject(dir)->myDev; +- +- yaffs_GrossLock(dev); +- +- T(YAFFS_TRACE_OS, +- ("yaffs_lookup for %d:%s\n", +- yaffs_InodeToObject(dir)->objectId, dentry->d_name.name)); +- +- obj = yaffs_FindObjectByName(yaffs_InodeToObject(dir), +- dentry->d_name.name); +- +- obj = yaffs_GetEquivalentObject(obj); /* in case it was a hardlink */ +- +- /* Can't hold gross lock when calling yaffs_get_inode() */ +- yaffs_GrossUnlock(dev); +- +- if (obj) { +- T(YAFFS_TRACE_OS, +- ("yaffs_lookup found %d\n", obj->objectId)); +- +- inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj); +- +- if (inode) { +- T(YAFFS_TRACE_OS, +- ("yaffs_loookup dentry \n")); +-/* #if 0 asserted by NCB for 2.5/6 compatability - falls through to +- * d_add even if NULL inode */ +-#if 0 +- /*dget(dentry); // try to solve directory bug */ +- d_add(dentry, inode); +- +- /* return dentry; */ +- return NULL; +-#endif +- } +- +- } else { +- T(YAFFS_TRACE_OS, ("yaffs_lookup not found\n")); +- +- } +- +-/* added NCB for 2.5/6 compatability - forces add even if inode is +- * NULL which creates dentry hash */ +- d_add(dentry, inode); +- +- return NULL; +-} +- +- +-#ifdef YAFFS_HAS_PUT_INODE +- +-/* For now put inode is just for debugging +- * Put inode is called when the inode **structure** is put. +- */ +-static void yaffs_put_inode(struct inode *inode) +-{ +- T(YAFFS_TRACE_OS, +- ("yaffs_put_inode: ino %d, count %d\n", (int)inode->i_ino, +- atomic_read(&inode->i_count))); +- +-} +-#endif +- +-/* clear is called to tell the fs to release any per-inode data it holds */ +-static void yaffs_clear_inode(struct inode *inode) +-{ +- yaffs_Object *obj; +- yaffs_Device *dev; +- +- obj = yaffs_InodeToObject(inode); +- +- T(YAFFS_TRACE_OS, +- ("yaffs_clear_inode: ino %d, count %d %s\n", (int)inode->i_ino, +- atomic_read(&inode->i_count), +- obj ? "object exists" : "null object")); +- +- if (obj) { +- dev = obj->myDev; +- yaffs_GrossLock(dev); +- +- /* Clear the association between the inode and +- * the yaffs_Object. +- */ +- obj->myInode = NULL; +- yaffs_InodeToObjectLV(inode) = NULL; +- +- /* If the object freeing was deferred, then the real +- * free happens now. +- * This should fix the inode inconsistency problem. +- */ +- +- yaffs_HandleDeferedFree(obj); +- +- yaffs_GrossUnlock(dev); +- } +- +-} +- +-/* delete is called when the link count is zero and the inode +- * is put (ie. nobody wants to know about it anymore, time to +- * delete the file). +- * NB Must call clear_inode() +- */ +-static void yaffs_delete_inode(struct inode *inode) +-{ +- yaffs_Object *obj = yaffs_InodeToObject(inode); +- yaffs_Device *dev; +- +- T(YAFFS_TRACE_OS, +- ("yaffs_delete_inode: ino %d, count %d %s\n", (int)inode->i_ino, +- atomic_read(&inode->i_count), +- obj ? "object exists" : "null object")); +- +- if (obj) { +- dev = obj->myDev; +- yaffs_GrossLock(dev); +- yaffs_DeleteObject(obj); +- yaffs_GrossUnlock(dev); +- } +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13)) +- truncate_inode_pages(&inode->i_data, 0); +-#endif +- clear_inode(inode); +-} +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) +-static int yaffs_file_flush(struct file *file, fl_owner_t id) +-#else +-static int yaffs_file_flush(struct file *file) +-#endif +-{ +- yaffs_Object *obj = yaffs_DentryToObject(file->f_dentry); +- +- yaffs_Device *dev = obj->myDev; +- +- T(YAFFS_TRACE_OS, +- ("yaffs_file_flush object %d (%s)\n", obj->objectId, +- obj->dirty ? "dirty" : "clean")); +- +- yaffs_GrossLock(dev); +- +- yaffs_FlushFile(obj, 1); +- +- yaffs_GrossUnlock(dev); +- +- return 0; +-} +- +-static int yaffs_readpage_nolock(struct file *f, struct page *pg) +-{ +- /* Lifted from jffs2 */ +- +- yaffs_Object *obj; +- unsigned char *pg_buf; +- int ret; +- +- yaffs_Device *dev; +- +- T(YAFFS_TRACE_OS, ("yaffs_readpage at %08x, size %08x\n", +- (unsigned)(pg->index << PAGE_CACHE_SHIFT), +- (unsigned)PAGE_CACHE_SIZE)); +- +- obj = yaffs_DentryToObject(f->f_dentry); +- +- dev = obj->myDev; +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) +- BUG_ON(!PageLocked(pg)); +-#else +- if (!PageLocked(pg)) +- PAGE_BUG(pg); +-#endif +- +- pg_buf = kmap(pg); +- /* FIXME: Can kmap fail? */ +- +- yaffs_GrossLock(dev); +- +- ret = yaffs_ReadDataFromFile(obj, pg_buf, +- pg->index << PAGE_CACHE_SHIFT, +- PAGE_CACHE_SIZE); +- +- yaffs_GrossUnlock(dev); +- +- if (ret >= 0) +- ret = 0; +- +- if (ret) { +- ClearPageUptodate(pg); +- SetPageError(pg); +- } else { +- SetPageUptodate(pg); +- ClearPageError(pg); +- } +- +- flush_dcache_page(pg); +- kunmap(pg); +- +- T(YAFFS_TRACE_OS, ("yaffs_readpage done\n")); +- return ret; +-} +- +-static int yaffs_readpage_unlock(struct file *f, struct page *pg) +-{ +- int ret = yaffs_readpage_nolock(f, pg); +- UnlockPage(pg); +- return ret; +-} +- +-static int yaffs_readpage(struct file *f, struct page *pg) +-{ +- return yaffs_readpage_unlock(f, pg); +-} +- +-/* writepage inspired by/stolen from smbfs */ +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) +-static int yaffs_writepage(struct page *page, struct writeback_control *wbc) +-#else +-static int yaffs_writepage(struct page *page) +-#endif +-{ +- struct address_space *mapping = page->mapping; +- loff_t offset = (loff_t) page->index << PAGE_CACHE_SHIFT; +- struct inode *inode; +- unsigned long end_index; +- char *buffer; +- yaffs_Object *obj; +- int nWritten = 0; +- unsigned nBytes; +- +- if (!mapping) +- BUG(); +- inode = mapping->host; +- if (!inode) +- BUG(); +- +- if (offset > inode->i_size) { +- T(YAFFS_TRACE_OS, +- ("yaffs_writepage at %08x, inode size = %08x!!!\n", +- (unsigned)(page->index << PAGE_CACHE_SHIFT), +- (unsigned)inode->i_size)); +- T(YAFFS_TRACE_OS, +- (" -> don't care!!\n")); +- unlock_page(page); +- return 0; +- } +- +- end_index = inode->i_size >> PAGE_CACHE_SHIFT; +- +- /* easy case */ +- if (page->index < end_index) +- nBytes = PAGE_CACHE_SIZE; +- else +- nBytes = inode->i_size & (PAGE_CACHE_SIZE - 1); +- +- get_page(page); +- +- buffer = kmap(page); +- +- obj = yaffs_InodeToObject(inode); +- yaffs_GrossLock(obj->myDev); +- +- T(YAFFS_TRACE_OS, +- ("yaffs_writepage at %08x, size %08x\n", +- (unsigned)(page->index << PAGE_CACHE_SHIFT), nBytes)); +- T(YAFFS_TRACE_OS, +- ("writepag0: obj = %05x, ino = %05x\n", +- (int)obj->variant.fileVariant.fileSize, (int)inode->i_size)); +- +- nWritten = yaffs_WriteDataToFile(obj, buffer, +- page->index << PAGE_CACHE_SHIFT, nBytes, 0); +- +- T(YAFFS_TRACE_OS, +- ("writepag1: obj = %05x, ino = %05x\n", +- (int)obj->variant.fileVariant.fileSize, (int)inode->i_size)); +- +- yaffs_GrossUnlock(obj->myDev); +- +- kunmap(page); +- SetPageUptodate(page); +- UnlockPage(page); +- put_page(page); +- +- return (nWritten == nBytes) ? 0 : -ENOSPC; +-} +- +- +-#if (YAFFS_USE_WRITE_BEGIN_END > 0) +-static int yaffs_write_begin(struct file *filp, struct address_space *mapping, +- loff_t pos, unsigned len, unsigned flags, +- struct page **pagep, void **fsdata) +-{ +- struct page *pg = NULL; +- pgoff_t index = pos >> PAGE_CACHE_SHIFT; +- uint32_t offset = pos & (PAGE_CACHE_SIZE - 1); +- uint32_t to = offset + len; +- +- int ret = 0; +- int space_held = 0; +- +- T(YAFFS_TRACE_OS, ("start yaffs_write_begin\n")); +- /* Get a page */ +-#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 28) +- pg = grab_cache_page_write_begin(mapping, index, flags); +-#else +- pg = __grab_cache_page(mapping, index); +-#endif +- +- *pagep = pg; +- if (!pg) { +- ret = -ENOMEM; +- goto out; +- } +- /* Get fs space */ +- space_held = yaffs_hold_space(filp); +- +- if (!space_held) { +- ret = -ENOSPC; +- goto out; +- } +- +- /* Update page if required */ +- +- if (!Page_Uptodate(pg) && (offset || to < PAGE_CACHE_SIZE)) +- ret = yaffs_readpage_nolock(filp, pg); +- +- if (ret) +- goto out; +- +- /* Happy path return */ +- T(YAFFS_TRACE_OS, ("end yaffs_write_begin - ok\n")); +- +- return 0; +- +-out: +- T(YAFFS_TRACE_OS, ("end yaffs_write_begin fail returning %d\n", ret)); +- if (space_held) +- yaffs_release_space(filp); +- if (pg) { +- unlock_page(pg); +- page_cache_release(pg); +- } +- return ret; +-} +- +-#else +- +-static int yaffs_prepare_write(struct file *f, struct page *pg, +- unsigned offset, unsigned to) +-{ +- T(YAFFS_TRACE_OS, ("yaffs_prepair_write\n")); +- +- if (!Page_Uptodate(pg) && (offset || to < PAGE_CACHE_SIZE)) +- return yaffs_readpage_nolock(f, pg); +- return 0; +-} +-#endif +- +-#if (YAFFS_USE_WRITE_BEGIN_END > 0) +-static int yaffs_write_end(struct file *filp, struct address_space *mapping, +- loff_t pos, unsigned len, unsigned copied, +- struct page *pg, void *fsdadata) +-{ +- int ret = 0; +- void *addr, *kva; +- uint32_t offset_into_page = pos & (PAGE_CACHE_SIZE - 1); +- +- kva = kmap(pg); +- addr = kva + offset_into_page; +- +- T(YAFFS_TRACE_OS, +- ("yaffs_write_end addr %x pos %x nBytes %d\n", +- (unsigned) addr, +- (int)pos, copied)); +- +- ret = yaffs_file_write(filp, addr, copied, &pos); +- +- if (ret != copied) { +- T(YAFFS_TRACE_OS, +- ("yaffs_write_end not same size ret %d copied %d\n", +- ret, copied)); +- SetPageError(pg); +- ClearPageUptodate(pg); +- } else { +- SetPageUptodate(pg); +- } +- +- kunmap(pg); +- +- yaffs_release_space(filp); +- unlock_page(pg); +- page_cache_release(pg); +- return ret; +-} +-#else +- +-static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset, +- unsigned to) +-{ +- void *addr, *kva; +- +- loff_t pos = (((loff_t) pg->index) << PAGE_CACHE_SHIFT) + offset; +- int nBytes = to - offset; +- int nWritten; +- +- unsigned spos = pos; +- unsigned saddr; +- +- kva = kmap(pg); +- addr = kva + offset; +- +- saddr = (unsigned) addr; +- +- T(YAFFS_TRACE_OS, +- ("yaffs_commit_write addr %x pos %x nBytes %d\n", +- saddr, spos, nBytes)); +- +- nWritten = yaffs_file_write(f, addr, nBytes, &pos); +- +- if (nWritten != nBytes) { +- T(YAFFS_TRACE_OS, +- ("yaffs_commit_write not same size nWritten %d nBytes %d\n", +- nWritten, nBytes)); +- SetPageError(pg); +- ClearPageUptodate(pg); +- } else { +- SetPageUptodate(pg); +- } +- +- kunmap(pg); +- +- T(YAFFS_TRACE_OS, +- ("yaffs_commit_write returning %d\n", +- nWritten == nBytes ? 0 : nWritten)); +- +- return nWritten == nBytes ? 0 : nWritten; +-} +-#endif +- +- +-static void yaffs_FillInodeFromObject(struct inode *inode, yaffs_Object *obj) +-{ +- if (inode && obj) { +- +- +- /* Check mode against the variant type and attempt to repair if broken. */ +- __u32 mode = obj->yst_mode; +- switch (obj->variantType) { +- case YAFFS_OBJECT_TYPE_FILE: +- if (!S_ISREG(mode)) { +- obj->yst_mode &= ~S_IFMT; +- obj->yst_mode |= S_IFREG; +- } +- +- break; +- case YAFFS_OBJECT_TYPE_SYMLINK: +- if (!S_ISLNK(mode)) { +- obj->yst_mode &= ~S_IFMT; +- obj->yst_mode |= S_IFLNK; +- } +- +- break; +- case YAFFS_OBJECT_TYPE_DIRECTORY: +- if (!S_ISDIR(mode)) { +- obj->yst_mode &= ~S_IFMT; +- obj->yst_mode |= S_IFDIR; +- } +- +- break; +- case YAFFS_OBJECT_TYPE_UNKNOWN: +- case YAFFS_OBJECT_TYPE_HARDLINK: +- case YAFFS_OBJECT_TYPE_SPECIAL: +- default: +- /* TODO? */ +- break; +- } +- +- inode->i_flags |= S_NOATIME; +- +- inode->i_ino = obj->objectId; +- inode->i_mode = obj->yst_mode; +- inode->i_uid = obj->yst_uid; +- inode->i_gid = obj->yst_gid; +-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)) +- inode->i_blksize = inode->i_sb->s_blocksize; +-#endif +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) +- +- inode->i_rdev = old_decode_dev(obj->yst_rdev); +- inode->i_atime.tv_sec = (time_t) (obj->yst_atime); +- inode->i_atime.tv_nsec = 0; +- inode->i_mtime.tv_sec = (time_t) obj->yst_mtime; +- inode->i_mtime.tv_nsec = 0; +- inode->i_ctime.tv_sec = (time_t) obj->yst_ctime; +- inode->i_ctime.tv_nsec = 0; +-#else +- inode->i_rdev = obj->yst_rdev; +- inode->i_atime = obj->yst_atime; +- inode->i_mtime = obj->yst_mtime; +- inode->i_ctime = obj->yst_ctime; +-#endif +- inode->i_size = yaffs_GetObjectFileLength(obj); +- inode->i_blocks = (inode->i_size + 511) >> 9; +- +- inode->i_nlink = yaffs_GetObjectLinkCount(obj); +- +- T(YAFFS_TRACE_OS, +- ("yaffs_FillInode mode %x uid %d gid %d size %d count %d\n", +- inode->i_mode, inode->i_uid, inode->i_gid, +- (int)inode->i_size, atomic_read(&inode->i_count))); +- +- switch (obj->yst_mode & S_IFMT) { +- default: /* fifo, device or socket */ +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) +- init_special_inode(inode, obj->yst_mode, +- old_decode_dev(obj->yst_rdev)); +-#else +- init_special_inode(inode, obj->yst_mode, +- (dev_t) (obj->yst_rdev)); +-#endif +- break; +- case S_IFREG: /* file */ +- inode->i_op = &yaffs_file_inode_operations; +- inode->i_fop = &yaffs_file_operations; +- inode->i_mapping->a_ops = +- &yaffs_file_address_operations; +- break; +- case S_IFDIR: /* directory */ +- inode->i_op = &yaffs_dir_inode_operations; +- inode->i_fop = &yaffs_dir_operations; +- break; +- case S_IFLNK: /* symlink */ +- inode->i_op = &yaffs_symlink_inode_operations; +- break; +- } +- +- yaffs_InodeToObjectLV(inode) = obj; +- +- obj->myInode = inode; +- +- } else { +- T(YAFFS_TRACE_OS, +- ("yaffs_FileInode invalid parameters\n")); +- } +- +-} +- +-struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev, +- yaffs_Object *obj) +-{ +- struct inode *inode; +- +- if (!sb) { +- T(YAFFS_TRACE_OS, +- ("yaffs_get_inode for NULL super_block!!\n")); +- return NULL; +- +- } +- +- if (!obj) { +- T(YAFFS_TRACE_OS, +- ("yaffs_get_inode for NULL object!!\n")); +- return NULL; +- +- } +- +- T(YAFFS_TRACE_OS, +- ("yaffs_get_inode for object %d\n", obj->objectId)); +- +- inode = Y_IGET(sb, obj->objectId); +- if (IS_ERR(inode)) +- return NULL; +- +- /* NB Side effect: iget calls back to yaffs_read_inode(). */ +- /* iget also increments the inode's i_count */ +- /* NB You can't be holding grossLock or deadlock will happen! */ +- +- return inode; +-} +- +-static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n, +- loff_t *pos) +-{ +- yaffs_Object *obj; +- int nWritten, ipos; +- struct inode *inode; +- yaffs_Device *dev; +- +- obj = yaffs_DentryToObject(f->f_dentry); +- +- dev = obj->myDev; +- +- yaffs_GrossLock(dev); +- +- inode = f->f_dentry->d_inode; +- +- if (!S_ISBLK(inode->i_mode) && f->f_flags & O_APPEND) +- ipos = inode->i_size; +- else +- ipos = *pos; +- +- if (!obj) +- T(YAFFS_TRACE_OS, +- ("yaffs_file_write: hey obj is null!\n")); +- else +- T(YAFFS_TRACE_OS, +- ("yaffs_file_write about to write writing %zu bytes" +- "to object %d at %d\n", +- n, obj->objectId, ipos)); +- +- nWritten = yaffs_WriteDataToFile(obj, buf, ipos, n, 0); +- +- T(YAFFS_TRACE_OS, +- ("yaffs_file_write writing %zu bytes, %d written at %d\n", +- n, nWritten, ipos)); +- +- if (nWritten > 0) { +- ipos += nWritten; +- *pos = ipos; +- if (ipos > inode->i_size) { +- inode->i_size = ipos; +- inode->i_blocks = (ipos + 511) >> 9; +- +- T(YAFFS_TRACE_OS, +- ("yaffs_file_write size updated to %d bytes, " +- "%d blocks\n", +- ipos, (int)(inode->i_blocks))); +- } +- +- } +- yaffs_GrossUnlock(dev); +- return nWritten == 0 ? -ENOSPC : nWritten; +-} +- +-/* Space holding and freeing is done to ensure we have space available for write_begin/end */ +-/* For now we just assume few parallel writes and check against a small number. */ +-/* Todo: need to do this with a counter to handle parallel reads better */ +- +-static ssize_t yaffs_hold_space(struct file *f) +-{ +- yaffs_Object *obj; +- yaffs_Device *dev; +- +- int nFreeChunks; +- +- +- obj = yaffs_DentryToObject(f->f_dentry); +- +- dev = obj->myDev; +- +- yaffs_GrossLock(dev); +- +- nFreeChunks = yaffs_GetNumberOfFreeChunks(dev); +- +- yaffs_GrossUnlock(dev); +- +- return (nFreeChunks > 20) ? 1 : 0; +-} +- +-static void yaffs_release_space(struct file *f) +-{ +- yaffs_Object *obj; +- yaffs_Device *dev; +- +- +- obj = yaffs_DentryToObject(f->f_dentry); +- +- dev = obj->myDev; +- +- yaffs_GrossLock(dev); +- +- +- yaffs_GrossUnlock(dev); +-} +- +-static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir) +-{ +- yaffs_Object *obj; +- yaffs_Device *dev; +- struct inode *inode = f->f_dentry->d_inode; +- unsigned long offset, curoffs; +- struct ylist_head *i; +- yaffs_Object *l; +- +- char name[YAFFS_MAX_NAME_LENGTH + 1]; +- +- obj = yaffs_DentryToObject(f->f_dentry); +- dev = obj->myDev; +- +- yaffs_GrossLock(dev); +- +- offset = f->f_pos; +- +- T(YAFFS_TRACE_OS, ("yaffs_readdir: starting at %d\n", (int)offset)); +- +- if (offset == 0) { +- T(YAFFS_TRACE_OS, +- ("yaffs_readdir: entry . ino %d \n", +- (int)inode->i_ino)); +- if (filldir(dirent, ".", 1, offset, inode->i_ino, DT_DIR) < 0) +- goto out; +- offset++; +- f->f_pos++; +- } +- if (offset == 1) { +- T(YAFFS_TRACE_OS, +- ("yaffs_readdir: entry .. ino %d \n", +- (int)f->f_dentry->d_parent->d_inode->i_ino)); +- if (filldir(dirent, "..", 2, offset, +- f->f_dentry->d_parent->d_inode->i_ino, DT_DIR) < 0) +- goto out; +- offset++; +- f->f_pos++; +- } +- +- curoffs = 1; +- +- /* If the directory has changed since the open or last call to +- readdir, rewind to after the 2 canned entries. */ +- +- if (f->f_version != inode->i_version) { +- offset = 2; +- f->f_pos = offset; +- f->f_version = inode->i_version; +- } +- +- ylist_for_each(i, &obj->variant.directoryVariant.children) { +- curoffs++; +- if (curoffs >= offset) { +- l = ylist_entry(i, yaffs_Object, siblings); +- +- yaffs_GetObjectName(l, name, +- YAFFS_MAX_NAME_LENGTH + 1); +- T(YAFFS_TRACE_OS, +- ("yaffs_readdir: %s inode %d\n", name, +- yaffs_GetObjectInode(l))); +- +- if (filldir(dirent, +- name, +- strlen(name), +- offset, +- yaffs_GetObjectInode(l), +- yaffs_GetObjectType(l)) < 0) +- goto up_and_out; +- +- offset++; +- f->f_pos++; +- } +- } +- +-up_and_out: +-out: +- yaffs_GrossUnlock(dev); +- +- return 0; +-} +- +-/* +- * File creation. Allocate an inode, and we're done.. +- */ +- +-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29) +-#define YCRED(x) x +-#else +-#define YCRED(x) (x->cred) +-#endif +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) +-static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, +- dev_t rdev) +-#else +-static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, +- int rdev) +-#endif +-{ +- struct inode *inode; +- +- yaffs_Object *obj = NULL; +- yaffs_Device *dev; +- +- yaffs_Object *parent = yaffs_InodeToObject(dir); +- +- int error = -ENOSPC; +- uid_t uid = YCRED(current)->fsuid; +- gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid; +- +- if ((dir->i_mode & S_ISGID) && S_ISDIR(mode)) +- mode |= S_ISGID; +- +- if (parent) { +- T(YAFFS_TRACE_OS, +- ("yaffs_mknod: parent object %d type %d\n", +- parent->objectId, parent->variantType)); +- } else { +- T(YAFFS_TRACE_OS, +- ("yaffs_mknod: could not get parent object\n")); +- return -EPERM; +- } +- +- T(YAFFS_TRACE_OS, ("yaffs_mknod: making oject for %s, " +- "mode %x dev %x\n", +- dentry->d_name.name, mode, rdev)); +- +- dev = parent->myDev; +- +- yaffs_GrossLock(dev); +- +- switch (mode & S_IFMT) { +- default: +- /* Special (socket, fifo, device...) */ +- T(YAFFS_TRACE_OS, ("yaffs_mknod: making special\n")); +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) +- obj = yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid, +- gid, old_encode_dev(rdev)); +-#else +- obj = yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid, +- gid, rdev); +-#endif +- break; +- case S_IFREG: /* file */ +- T(YAFFS_TRACE_OS, ("yaffs_mknod: making file\n")); +- obj = yaffs_MknodFile(parent, dentry->d_name.name, mode, uid, +- gid); +- break; +- case S_IFDIR: /* directory */ +- T(YAFFS_TRACE_OS, +- ("yaffs_mknod: making directory\n")); +- obj = yaffs_MknodDirectory(parent, dentry->d_name.name, mode, +- uid, gid); +- break; +- case S_IFLNK: /* symlink */ +- T(YAFFS_TRACE_OS, ("yaffs_mknod: making symlink\n")); +- obj = NULL; /* Do we ever get here? */ +- break; +- } +- +- /* Can not call yaffs_get_inode() with gross lock held */ +- yaffs_GrossUnlock(dev); +- +- if (obj) { +- inode = yaffs_get_inode(dir->i_sb, mode, rdev, obj); +- d_instantiate(dentry, inode); +- T(YAFFS_TRACE_OS, +- ("yaffs_mknod created object %d count = %d\n", +- obj->objectId, atomic_read(&inode->i_count))); +- error = 0; +- } else { +- T(YAFFS_TRACE_OS, +- ("yaffs_mknod failed making object\n")); +- error = -ENOMEM; +- } +- +- return error; +-} +- +-static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode) +-{ +- int retVal; +- T(YAFFS_TRACE_OS, ("yaffs_mkdir\n")); +- retVal = yaffs_mknod(dir, dentry, mode | S_IFDIR, 0); +- return retVal; +-} +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) +-static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode, +- struct nameidata *n) +-#else +-static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode) +-#endif +-{ +- T(YAFFS_TRACE_OS, ("yaffs_create\n")); +- return yaffs_mknod(dir, dentry, mode | S_IFREG, 0); +-} +- +-static int yaffs_unlink(struct inode *dir, struct dentry *dentry) +-{ +- int retVal; +- +- yaffs_Device *dev; +- +- T(YAFFS_TRACE_OS, +- ("yaffs_unlink %d:%s\n", (int)(dir->i_ino), +- dentry->d_name.name)); +- +- dev = yaffs_InodeToObject(dir)->myDev; +- +- yaffs_GrossLock(dev); +- +- retVal = yaffs_Unlink(yaffs_InodeToObject(dir), dentry->d_name.name); +- +- if (retVal == YAFFS_OK) { +- dentry->d_inode->i_nlink--; +- dir->i_version++; +- yaffs_GrossUnlock(dev); +- mark_inode_dirty(dentry->d_inode); +- return 0; +- } +- yaffs_GrossUnlock(dev); +- return -ENOTEMPTY; +-} +- +-/* +- * Create a link... +- */ +-static int yaffs_link(struct dentry *old_dentry, struct inode *dir, +- struct dentry *dentry) +-{ +- struct inode *inode = old_dentry->d_inode; +- yaffs_Object *obj = NULL; +- yaffs_Object *link = NULL; +- yaffs_Device *dev; +- +- T(YAFFS_TRACE_OS, ("yaffs_link\n")); +- +- obj = yaffs_InodeToObject(inode); +- dev = obj->myDev; +- +- yaffs_GrossLock(dev); +- +- if (!S_ISDIR(inode->i_mode)) /* Don't link directories */ +- link = yaffs_Link(yaffs_InodeToObject(dir), dentry->d_name.name, +- obj); +- +- if (link) { +- old_dentry->d_inode->i_nlink = yaffs_GetObjectLinkCount(obj); +- d_instantiate(dentry, old_dentry->d_inode); +- atomic_inc(&old_dentry->d_inode->i_count); +- T(YAFFS_TRACE_OS, +- ("yaffs_link link count %d i_count %d\n", +- old_dentry->d_inode->i_nlink, +- atomic_read(&old_dentry->d_inode->i_count))); +- } +- +- yaffs_GrossUnlock(dev); +- +- if (link) +- return 0; +- +- return -EPERM; +-} +- +-static int yaffs_symlink(struct inode *dir, struct dentry *dentry, +- const char *symname) +-{ +- yaffs_Object *obj; +- yaffs_Device *dev; +- uid_t uid = YCRED(current)->fsuid; +- gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid; +- +- T(YAFFS_TRACE_OS, ("yaffs_symlink\n")); +- +- dev = yaffs_InodeToObject(dir)->myDev; +- yaffs_GrossLock(dev); +- obj = yaffs_MknodSymLink(yaffs_InodeToObject(dir), dentry->d_name.name, +- S_IFLNK | S_IRWXUGO, uid, gid, symname); +- yaffs_GrossUnlock(dev); +- +- if (obj) { +- struct inode *inode; +- +- inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj); +- d_instantiate(dentry, inode); +- T(YAFFS_TRACE_OS, ("symlink created OK\n")); +- return 0; +- } else { +- T(YAFFS_TRACE_OS, ("symlink not created\n")); +- } +- +- return -ENOMEM; +-} +- +-static int yaffs_sync_object(struct file *file, struct dentry *dentry, +- int datasync) +-{ +- +- yaffs_Object *obj; +- yaffs_Device *dev; +- +- obj = yaffs_DentryToObject(dentry); +- +- dev = obj->myDev; +- +- T(YAFFS_TRACE_OS, ("yaffs_sync_object\n")); +- yaffs_GrossLock(dev); +- yaffs_FlushFile(obj, 1); +- yaffs_GrossUnlock(dev); +- return 0; +-} +- +-/* +- * The VFS layer already does all the dentry stuff for rename. +- * +- * NB: POSIX says you can rename an object over an old object of the same name +- */ +-static int yaffs_rename(struct inode *old_dir, struct dentry *old_dentry, +- struct inode *new_dir, struct dentry *new_dentry) +-{ +- yaffs_Device *dev; +- int retVal = YAFFS_FAIL; +- yaffs_Object *target; +- +- T(YAFFS_TRACE_OS, ("yaffs_rename\n")); +- dev = yaffs_InodeToObject(old_dir)->myDev; +- +- yaffs_GrossLock(dev); +- +- /* Check if the target is an existing directory that is not empty. */ +- target = yaffs_FindObjectByName(yaffs_InodeToObject(new_dir), +- new_dentry->d_name.name); +- +- +- +- if (target && target->variantType == YAFFS_OBJECT_TYPE_DIRECTORY && +- !ylist_empty(&target->variant.directoryVariant.children)) { +- +- T(YAFFS_TRACE_OS, ("target is non-empty dir\n")); +- +- retVal = YAFFS_FAIL; +- } else { +- /* Now does unlinking internally using shadowing mechanism */ +- T(YAFFS_TRACE_OS, ("calling yaffs_RenameObject\n")); +- +- retVal = yaffs_RenameObject(yaffs_InodeToObject(old_dir), +- old_dentry->d_name.name, +- yaffs_InodeToObject(new_dir), +- new_dentry->d_name.name); +- } +- yaffs_GrossUnlock(dev); +- +- if (retVal == YAFFS_OK) { +- if (target) { +- new_dentry->d_inode->i_nlink--; +- mark_inode_dirty(new_dentry->d_inode); +- } +- +- return 0; +- } else { +- return -ENOTEMPTY; +- } +-} +- +-static int yaffs_setattr(struct dentry *dentry, struct iattr *attr) +-{ +- struct inode *inode = dentry->d_inode; +- int error; +- yaffs_Device *dev; +- +- T(YAFFS_TRACE_OS, +- ("yaffs_setattr of object %d\n", +- yaffs_InodeToObject(inode)->objectId)); +- +- error = inode_change_ok(inode, attr); +- if (error == 0) { +- dev = yaffs_InodeToObject(inode)->myDev; +- yaffs_GrossLock(dev); +- if (yaffs_SetAttributes(yaffs_InodeToObject(inode), attr) == +- YAFFS_OK) { +- error = 0; +- } else { +- error = -EPERM; +- } +- yaffs_GrossUnlock(dev); +- if (!error) +- error = inode_setattr(inode, attr); +- } +- return error; +-} +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) +-static int yaffs_statfs(struct dentry *dentry, struct kstatfs *buf) +-{ +- yaffs_Device *dev = yaffs_DentryToObject(dentry)->myDev; +- struct super_block *sb = dentry->d_sb; +-#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) +-static int yaffs_statfs(struct super_block *sb, struct kstatfs *buf) +-{ +- yaffs_Device *dev = yaffs_SuperToDevice(sb); +-#else +-static int yaffs_statfs(struct super_block *sb, struct statfs *buf) +-{ +- yaffs_Device *dev = yaffs_SuperToDevice(sb); +-#endif +- +- T(YAFFS_TRACE_OS, ("yaffs_statfs\n")); +- +- yaffs_GrossLock(dev); +- +- buf->f_type = YAFFS_MAGIC; +- buf->f_bsize = sb->s_blocksize; +- buf->f_namelen = 255; +- +- if (dev->nDataBytesPerChunk & (dev->nDataBytesPerChunk - 1)) { +- /* Do this if chunk size is not a power of 2 */ +- +- uint64_t bytesInDev; +- uint64_t bytesFree; +- +- bytesInDev = ((uint64_t)((dev->endBlock - dev->startBlock + 1))) * +- ((uint64_t)(dev->nChunksPerBlock * dev->nDataBytesPerChunk)); +- +- do_div(bytesInDev, sb->s_blocksize); /* bytesInDev becomes the number of blocks */ +- buf->f_blocks = bytesInDev; +- +- bytesFree = ((uint64_t)(yaffs_GetNumberOfFreeChunks(dev))) * +- ((uint64_t)(dev->nDataBytesPerChunk)); +- +- do_div(bytesFree, sb->s_blocksize); +- +- buf->f_bfree = bytesFree; +- +- } else if (sb->s_blocksize > dev->nDataBytesPerChunk) { +- +- buf->f_blocks = +- (dev->endBlock - dev->startBlock + 1) * +- dev->nChunksPerBlock / +- (sb->s_blocksize / dev->nDataBytesPerChunk); +- buf->f_bfree = +- yaffs_GetNumberOfFreeChunks(dev) / +- (sb->s_blocksize / dev->nDataBytesPerChunk); +- } else { +- buf->f_blocks = +- (dev->endBlock - dev->startBlock + 1) * +- dev->nChunksPerBlock * +- (dev->nDataBytesPerChunk / sb->s_blocksize); +- +- buf->f_bfree = +- yaffs_GetNumberOfFreeChunks(dev) * +- (dev->nDataBytesPerChunk / sb->s_blocksize); +- } +- +- buf->f_files = 0; +- buf->f_ffree = 0; +- buf->f_bavail = buf->f_bfree; +- +- yaffs_GrossUnlock(dev); +- return 0; +-} +- +- +-static int yaffs_do_sync_fs(struct super_block *sb) +-{ +- +- yaffs_Device *dev = yaffs_SuperToDevice(sb); +- T(YAFFS_TRACE_OS, ("yaffs_do_sync_fs\n")); +- +- if (sb->s_dirt) { +- yaffs_GrossLock(dev); +- +- if (dev) { +- yaffs_FlushEntireDeviceCache(dev); +- yaffs_CheckpointSave(dev); +- } +- +- yaffs_GrossUnlock(dev); +- +- sb->s_dirt = 0; +- } +- return 0; +-} +- +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) +-static void yaffs_write_super(struct super_block *sb) +-#else +-static int yaffs_write_super(struct super_block *sb) +-#endif +-{ +- +- T(YAFFS_TRACE_OS, ("yaffs_write_super\n")); +- if (yaffs_auto_checkpoint >= 2) +- yaffs_do_sync_fs(sb); +-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18)) +- return 0; +-#endif +-} +- +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) +-static int yaffs_sync_fs(struct super_block *sb, int wait) +-#else +-static int yaffs_sync_fs(struct super_block *sb) +-#endif +-{ +- T(YAFFS_TRACE_OS, ("yaffs_sync_fs\n")); +- +- if (yaffs_auto_checkpoint >= 1) +- yaffs_do_sync_fs(sb); +- +- return 0; +-} +- +-#ifdef YAFFS_USE_OWN_IGET +- +-static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino) +-{ +- struct inode *inode; +- yaffs_Object *obj; +- yaffs_Device *dev = yaffs_SuperToDevice(sb); +- +- T(YAFFS_TRACE_OS, +- ("yaffs_iget for %lu\n", ino)); +- +- inode = iget_locked(sb, ino); +- if (!inode) +- return ERR_PTR(-ENOMEM); +- if (!(inode->i_state & I_NEW)) +- return inode; +- +- /* NB This is called as a side effect of other functions, but +- * we had to release the lock to prevent deadlocks, so +- * need to lock again. +- */ +- +- yaffs_GrossLock(dev); +- +- obj = yaffs_FindObjectByNumber(dev, inode->i_ino); +- +- yaffs_FillInodeFromObject(inode, obj); +- +- yaffs_GrossUnlock(dev); +- +- unlock_new_inode(inode); +- return inode; +-} +- +-#else +- +-static void yaffs_read_inode(struct inode *inode) +-{ +- /* NB This is called as a side effect of other functions, but +- * we had to release the lock to prevent deadlocks, so +- * need to lock again. +- */ +- +- yaffs_Object *obj; +- yaffs_Device *dev = yaffs_SuperToDevice(inode->i_sb); +- +- T(YAFFS_TRACE_OS, +- ("yaffs_read_inode for %d\n", (int)inode->i_ino)); +- +- yaffs_GrossLock(dev); +- +- obj = yaffs_FindObjectByNumber(dev, inode->i_ino); +- +- yaffs_FillInodeFromObject(inode, obj); +- +- yaffs_GrossUnlock(dev); +-} +- +-#endif +- +-static YLIST_HEAD(yaffs_dev_list); +- +-#if 0 /* not used */ +-static int yaffs_remount_fs(struct super_block *sb, int *flags, char *data) +-{ +- yaffs_Device *dev = yaffs_SuperToDevice(sb); +- +- if (*flags & MS_RDONLY) { +- struct mtd_info *mtd = yaffs_SuperToDevice(sb)->genericDevice; +- +- T(YAFFS_TRACE_OS, +- ("yaffs_remount_fs: %s: RO\n", dev->name)); +- +- yaffs_GrossLock(dev); +- +- yaffs_FlushEntireDeviceCache(dev); +- +- yaffs_CheckpointSave(dev); +- +- if (mtd->sync) +- mtd->sync(mtd); +- +- yaffs_GrossUnlock(dev); +- } else { +- T(YAFFS_TRACE_OS, +- ("yaffs_remount_fs: %s: RW\n", dev->name)); +- } +- +- return 0; +-} +-#endif +- +-static void yaffs_put_super(struct super_block *sb) +-{ +- yaffs_Device *dev = yaffs_SuperToDevice(sb); +- +- T(YAFFS_TRACE_OS, ("yaffs_put_super\n")); +- +- yaffs_GrossLock(dev); +- +- yaffs_FlushEntireDeviceCache(dev); +- +- yaffs_CheckpointSave(dev); +- +- if (dev->putSuperFunc) +- dev->putSuperFunc(sb); +- +- yaffs_Deinitialise(dev); +- +- yaffs_GrossUnlock(dev); +- +- /* we assume this is protected by lock_kernel() in mount/umount */ +- ylist_del(&dev->devList); +- +- if (dev->spareBuffer) { +- YFREE(dev->spareBuffer); +- dev->spareBuffer = NULL; +- } +- +- kfree(dev); +-} +- +- +-static void yaffs_MTDPutSuper(struct super_block *sb) +-{ +- struct mtd_info *mtd = yaffs_SuperToDevice(sb)->genericDevice; +- +- if (mtd->sync) +- mtd->sync(mtd); +- +- put_mtd_device(mtd); +-} +- +- +-static void yaffs_MarkSuperBlockDirty(void *vsb) +-{ +- struct super_block *sb = (struct super_block *)vsb; +- +- T(YAFFS_TRACE_OS, ("yaffs_MarkSuperBlockDirty() sb = %p\n", sb)); +- if (sb) +- sb->s_dirt = 1; +-} +- +-typedef struct { +- int inband_tags; +- int skip_checkpoint_read; +- int skip_checkpoint_write; +- int no_cache; +-} yaffs_options; +- +-#define MAX_OPT_LEN 20 +-static int yaffs_parse_options(yaffs_options *options, const char *options_str) +-{ +- char cur_opt[MAX_OPT_LEN + 1]; +- int p; +- int error = 0; +- +- /* Parse through the options which is a comma seperated list */ +- +- while (options_str && *options_str && !error) { +- memset(cur_opt, 0, MAX_OPT_LEN + 1); +- p = 0; +- +- while (*options_str && *options_str != ',') { +- if (p < MAX_OPT_LEN) { +- cur_opt[p] = *options_str; +- p++; +- } +- options_str++; +- } +- +- if (!strcmp(cur_opt, "inband-tags")) +- options->inband_tags = 1; +- else if (!strcmp(cur_opt, "no-cache")) +- options->no_cache = 1; +- else if (!strcmp(cur_opt, "no-checkpoint-read")) +- options->skip_checkpoint_read = 1; +- else if (!strcmp(cur_opt, "no-checkpoint-write")) +- options->skip_checkpoint_write = 1; +- else if (!strcmp(cur_opt, "no-checkpoint")) { +- options->skip_checkpoint_read = 1; +- options->skip_checkpoint_write = 1; +- } else { +- printk(KERN_INFO "yaffs: Bad mount option \"%s\"\n", +- cur_opt); +- error = 1; +- } +- } +- +- return error; +-} +- +-static struct super_block *yaffs_internal_read_super(int yaffsVersion, +- struct super_block *sb, +- void *data, int silent) +-{ +- int nBlocks; +- struct inode *inode = NULL; +- struct dentry *root; +- yaffs_Device *dev = 0; +- char devname_buf[BDEVNAME_SIZE + 1]; +- struct mtd_info *mtd; +- int err; +- char *data_str = (char *)data; +- +- yaffs_options options; +- +- sb->s_magic = YAFFS_MAGIC; +- sb->s_op = &yaffs_super_ops; +- sb->s_flags |= MS_NOATIME; +- +- if (!sb) +- printk(KERN_INFO "yaffs: sb is NULL\n"); +- else if (!sb->s_dev) +- printk(KERN_INFO "yaffs: sb->s_dev is NULL\n"); +- else if (!yaffs_devname(sb, devname_buf)) +- printk(KERN_INFO "yaffs: devname is NULL\n"); +- else +- printk(KERN_INFO "yaffs: dev is %d name is \"%s\"\n", +- sb->s_dev, +- yaffs_devname(sb, devname_buf)); +- +- if (!data_str) +- data_str = ""; +- +- printk(KERN_INFO "yaffs: passed flags \"%s\"\n", data_str); +- +- memset(&options, 0, sizeof(options)); +- +- if (yaffs_parse_options(&options, data_str)) { +- /* Option parsing failed */ +- return NULL; +- } +- +- +- sb->s_blocksize = PAGE_CACHE_SIZE; +- sb->s_blocksize_bits = PAGE_CACHE_SHIFT; +- T(YAFFS_TRACE_OS, ("yaffs_read_super: Using yaffs%d\n", yaffsVersion)); +- T(YAFFS_TRACE_OS, +- ("yaffs_read_super: block size %d\n", (int)(sb->s_blocksize))); +- +-#ifdef CONFIG_YAFFS_DISABLE_WRITE_VERIFY +- T(YAFFS_TRACE_OS, +- ("yaffs: Write verification disabled. All guarantees " +- "null and void\n")); +-#endif +- +- T(YAFFS_TRACE_ALWAYS, ("yaffs: Attempting MTD mount on %u.%u, " +- "\"%s\"\n", +- MAJOR(sb->s_dev), MINOR(sb->s_dev), +- yaffs_devname(sb, devname_buf))); +- +- /* Check it's an mtd device..... */ +- if (MAJOR(sb->s_dev) != MTD_BLOCK_MAJOR) +- return NULL; /* This isn't an mtd device */ +- +- /* Get the device */ +- mtd = get_mtd_device(NULL, MINOR(sb->s_dev)); +- if (!mtd) { +- T(YAFFS_TRACE_ALWAYS, +- ("yaffs: MTD device #%u doesn't appear to exist\n", +- MINOR(sb->s_dev))); +- return NULL; +- } +- /* Check it's NAND */ +- if (mtd->type != MTD_NANDFLASH) { +- T(YAFFS_TRACE_ALWAYS, +- ("yaffs: MTD device is not NAND it's type %d\n", mtd->type)); +- return NULL; +- } +- +- T(YAFFS_TRACE_OS, (" erase %p\n", mtd->erase)); +- T(YAFFS_TRACE_OS, (" read %p\n", mtd->read)); +- T(YAFFS_TRACE_OS, (" write %p\n", mtd->write)); +- T(YAFFS_TRACE_OS, (" readoob %p\n", mtd->read_oob)); +- T(YAFFS_TRACE_OS, (" writeoob %p\n", mtd->write_oob)); +- T(YAFFS_TRACE_OS, (" block_isbad %p\n", mtd->block_isbad)); +- T(YAFFS_TRACE_OS, (" block_markbad %p\n", mtd->block_markbad)); +- T(YAFFS_TRACE_OS, (" %s %d\n", WRITE_SIZE_STR, WRITE_SIZE(mtd))); +- T(YAFFS_TRACE_OS, (" oobsize %d\n", mtd->oobsize)); +- T(YAFFS_TRACE_OS, (" erasesize %d\n", mtd->erasesize)); +-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29) +- T(YAFFS_TRACE_OS, (" size %u\n", mtd->size)); +-#else +- T(YAFFS_TRACE_OS, (" size %lld\n", mtd->size)); +-#endif +- +-#ifdef CONFIG_YAFFS_AUTO_YAFFS2 +- +- if (yaffsVersion == 1 && WRITE_SIZE(mtd) >= 2048) { +- T(YAFFS_TRACE_ALWAYS, ("yaffs: auto selecting yaffs2\n")); +- yaffsVersion = 2; +- } +- +- /* Added NCB 26/5/2006 for completeness */ +- if (yaffsVersion == 2 && !options.inband_tags && WRITE_SIZE(mtd) == 512) { +- T(YAFFS_TRACE_ALWAYS, ("yaffs: auto selecting yaffs1\n")); +- yaffsVersion = 1; +- } +- +-#endif +- +- if (yaffsVersion == 2) { +- /* Check for version 2 style functions */ +- if (!mtd->erase || +- !mtd->block_isbad || +- !mtd->block_markbad || +- !mtd->read || +- !mtd->write || +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) +- !mtd->read_oob || !mtd->write_oob) { +-#else +- !mtd->write_ecc || +- !mtd->read_ecc || !mtd->read_oob || !mtd->write_oob) { +-#endif +- T(YAFFS_TRACE_ALWAYS, +- ("yaffs: MTD device does not support required " +- "functions\n"));; +- return NULL; +- } +- +- if ((WRITE_SIZE(mtd) < YAFFS_MIN_YAFFS2_CHUNK_SIZE || +- mtd->oobsize < YAFFS_MIN_YAFFS2_SPARE_SIZE) && +- !options.inband_tags) { +- T(YAFFS_TRACE_ALWAYS, +- ("yaffs: MTD device does not have the " +- "right page sizes\n")); +- return NULL; +- } +- } else { +- /* Check for V1 style functions */ +- if (!mtd->erase || +- !mtd->read || +- !mtd->write || +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) +- !mtd->read_oob || !mtd->write_oob) { +-#else +- !mtd->write_ecc || +- !mtd->read_ecc || !mtd->read_oob || !mtd->write_oob) { +-#endif +- T(YAFFS_TRACE_ALWAYS, +- ("yaffs: MTD device does not support required " +- "functions\n"));; +- return NULL; +- } +- +- if (WRITE_SIZE(mtd) < YAFFS_BYTES_PER_CHUNK || +- mtd->oobsize != YAFFS_BYTES_PER_SPARE) { +- T(YAFFS_TRACE_ALWAYS, +- ("yaffs: MTD device does not support have the " +- "right page sizes\n")); +- return NULL; +- } +- } +- +- /* OK, so if we got here, we have an MTD that's NAND and looks +- * like it has the right capabilities +- * Set the yaffs_Device up for mtd +- */ +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) +- sb->s_fs_info = dev = kmalloc(sizeof(yaffs_Device), GFP_KERNEL); +-#else +- sb->u.generic_sbp = dev = kmalloc(sizeof(yaffs_Device), GFP_KERNEL); +-#endif +- if (!dev) { +- /* Deep shit could not allocate device structure */ +- T(YAFFS_TRACE_ALWAYS, +- ("yaffs_read_super: Failed trying to allocate " +- "yaffs_Device. \n")); +- return NULL; +- } +- +- memset(dev, 0, sizeof(yaffs_Device)); +- dev->genericDevice = mtd; +- dev->name = mtd->name; +- +- /* Set up the memory size parameters.... */ +- +- nBlocks = YCALCBLOCKS(mtd->size, (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK)); +- +- dev->startBlock = 0; +- dev->endBlock = nBlocks - 1; +- dev->nChunksPerBlock = YAFFS_CHUNKS_PER_BLOCK; +- dev->totalBytesPerChunk = YAFFS_BYTES_PER_CHUNK; +- dev->nReservedBlocks = 5; +- dev->nShortOpCaches = (options.no_cache) ? 0 : 10; +- dev->inbandTags = options.inband_tags; +- +- /* ... and the functions. */ +- if (yaffsVersion == 2) { +- dev->writeChunkWithTagsToNAND = +- nandmtd2_WriteChunkWithTagsToNAND; +- dev->readChunkWithTagsFromNAND = +- nandmtd2_ReadChunkWithTagsFromNAND; +- dev->markNANDBlockBad = nandmtd2_MarkNANDBlockBad; +- dev->queryNANDBlock = nandmtd2_QueryNANDBlock; +- dev->spareBuffer = YMALLOC(mtd->oobsize); +- dev->isYaffs2 = 1; +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) +- dev->totalBytesPerChunk = mtd->writesize; +- dev->nChunksPerBlock = mtd->erasesize / mtd->writesize; +-#else +- dev->totalBytesPerChunk = mtd->oobblock; +- dev->nChunksPerBlock = mtd->erasesize / mtd->oobblock; +-#endif +- nBlocks = YCALCBLOCKS(mtd->size, mtd->erasesize); +- +- dev->startBlock = 0; +- dev->endBlock = nBlocks - 1; +- } else { +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) +- /* use the MTD interface in yaffs_mtdif1.c */ +- dev->writeChunkWithTagsToNAND = +- nandmtd1_WriteChunkWithTagsToNAND; +- dev->readChunkWithTagsFromNAND = +- nandmtd1_ReadChunkWithTagsFromNAND; +- dev->markNANDBlockBad = nandmtd1_MarkNANDBlockBad; +- dev->queryNANDBlock = nandmtd1_QueryNANDBlock; +-#else +- dev->writeChunkToNAND = nandmtd_WriteChunkToNAND; +- dev->readChunkFromNAND = nandmtd_ReadChunkFromNAND; +-#endif +- dev->isYaffs2 = 0; +- } +- /* ... and common functions */ +- dev->eraseBlockInNAND = nandmtd_EraseBlockInNAND; +- dev->initialiseNAND = nandmtd_InitialiseNAND; +- +- dev->putSuperFunc = yaffs_MTDPutSuper; +- +- dev->superBlock = (void *)sb; +- dev->markSuperBlockDirty = yaffs_MarkSuperBlockDirty; +- +- +-#ifndef CONFIG_YAFFS_DOES_ECC +- dev->useNANDECC = 1; +-#endif +- +-#ifdef CONFIG_YAFFS_DISABLE_WIDE_TNODES +- dev->wideTnodesDisabled = 1; +-#endif +- +- dev->skipCheckpointRead = options.skip_checkpoint_read; +- dev->skipCheckpointWrite = options.skip_checkpoint_write; +- +- /* we assume this is protected by lock_kernel() in mount/umount */ +- ylist_add_tail(&dev->devList, &yaffs_dev_list); +- +- init_MUTEX(&dev->grossLock); +- +- yaffs_GrossLock(dev); +- +- err = yaffs_GutsInitialise(dev); +- +- T(YAFFS_TRACE_OS, +- ("yaffs_read_super: guts initialised %s\n", +- (err == YAFFS_OK) ? "OK" : "FAILED")); +- +- /* Release lock before yaffs_get_inode() */ +- yaffs_GrossUnlock(dev); +- +- /* Create root inode */ +- if (err == YAFFS_OK) +- inode = yaffs_get_inode(sb, S_IFDIR | 0755, 0, +- yaffs_Root(dev)); +- +- if (!inode) +- return NULL; +- +- inode->i_op = &yaffs_dir_inode_operations; +- inode->i_fop = &yaffs_dir_operations; +- +- T(YAFFS_TRACE_OS, ("yaffs_read_super: got root inode\n")); +- +- root = d_alloc_root(inode); +- +- T(YAFFS_TRACE_OS, ("yaffs_read_super: d_alloc_root done\n")); +- +- if (!root) { +- iput(inode); +- return NULL; +- } +- sb->s_root = root; +- sb->s_dirt = !dev->isCheckpointed; +- T(YAFFS_TRACE_ALWAYS, +- ("yaffs_read_super: isCheckpointed %d\n", dev->isCheckpointed)); +- +- T(YAFFS_TRACE_OS, ("yaffs_read_super: done\n")); +- return sb; +-} +- +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) +-static int yaffs_internal_read_super_mtd(struct super_block *sb, void *data, +- int silent) +-{ +- return yaffs_internal_read_super(1, sb, data, silent) ? 0 : -EINVAL; +-} +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) +-static int yaffs_read_super(struct file_system_type *fs, +- int flags, const char *dev_name, +- void *data, struct vfsmount *mnt) +-{ +- +- return get_sb_bdev(fs, flags, dev_name, data, +- yaffs_internal_read_super_mtd, mnt); +-} +-#else +-static struct super_block *yaffs_read_super(struct file_system_type *fs, +- int flags, const char *dev_name, +- void *data) +-{ +- +- return get_sb_bdev(fs, flags, dev_name, data, +- yaffs_internal_read_super_mtd); +-} +-#endif +- +-static struct file_system_type yaffs_fs_type = { +- .owner = THIS_MODULE, +- .name = "yaffs", +- .get_sb = yaffs_read_super, +- .kill_sb = kill_block_super, +- .fs_flags = FS_REQUIRES_DEV, +-}; +-#else +-static struct super_block *yaffs_read_super(struct super_block *sb, void *data, +- int silent) +-{ +- return yaffs_internal_read_super(1, sb, data, silent); +-} +- +-static DECLARE_FSTYPE(yaffs_fs_type, "yaffs", yaffs_read_super, +- FS_REQUIRES_DEV); +-#endif +- +- +-#ifdef CONFIG_YAFFS_YAFFS2 +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) +-static int yaffs2_internal_read_super_mtd(struct super_block *sb, void *data, +- int silent) +-{ +- return yaffs_internal_read_super(2, sb, data, silent) ? 0 : -EINVAL; +-} +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) +-static int yaffs2_read_super(struct file_system_type *fs, +- int flags, const char *dev_name, void *data, +- struct vfsmount *mnt) +-{ +- return get_sb_bdev(fs, flags, dev_name, data, +- yaffs2_internal_read_super_mtd, mnt); +-} +-#else +-static struct super_block *yaffs2_read_super(struct file_system_type *fs, +- int flags, const char *dev_name, +- void *data) +-{ +- +- return get_sb_bdev(fs, flags, dev_name, data, +- yaffs2_internal_read_super_mtd); +-} +-#endif +- +-static struct file_system_type yaffs2_fs_type = { +- .owner = THIS_MODULE, +- .name = "yaffs2", +- .get_sb = yaffs2_read_super, +- .kill_sb = kill_block_super, +- .fs_flags = FS_REQUIRES_DEV, +-}; +-#else +-static struct super_block *yaffs2_read_super(struct super_block *sb, +- void *data, int silent) +-{ +- return yaffs_internal_read_super(2, sb, data, silent); +-} +- +-static DECLARE_FSTYPE(yaffs2_fs_type, "yaffs2", yaffs2_read_super, +- FS_REQUIRES_DEV); +-#endif +- +-#endif /* CONFIG_YAFFS_YAFFS2 */ +- +-static struct proc_dir_entry *my_proc_entry; +- +-static char *yaffs_dump_dev(char *buf, yaffs_Device * dev) +-{ +- buf += sprintf(buf, "startBlock......... %d\n", dev->startBlock); +- buf += sprintf(buf, "endBlock........... %d\n", dev->endBlock); +- buf += sprintf(buf, "totalBytesPerChunk. %d\n", dev->totalBytesPerChunk); +- buf += sprintf(buf, "nDataBytesPerChunk. %d\n", dev->nDataBytesPerChunk); +- buf += sprintf(buf, "chunkGroupBits..... %d\n", dev->chunkGroupBits); +- buf += sprintf(buf, "chunkGroupSize..... %d\n", dev->chunkGroupSize); +- buf += sprintf(buf, "nErasedBlocks...... %d\n", dev->nErasedBlocks); +- buf += sprintf(buf, "nReservedBlocks.... %d\n", dev->nReservedBlocks); +- buf += sprintf(buf, "blocksInCheckpoint. %d\n", dev->blocksInCheckpoint); +- buf += sprintf(buf, "nTnodesCreated..... %d\n", dev->nTnodesCreated); +- buf += sprintf(buf, "nFreeTnodes........ %d\n", dev->nFreeTnodes); +- buf += sprintf(buf, "nObjectsCreated.... %d\n", dev->nObjectsCreated); +- buf += sprintf(buf, "nFreeObjects....... %d\n", dev->nFreeObjects); +- buf += sprintf(buf, "nFreeChunks........ %d\n", dev->nFreeChunks); +- buf += sprintf(buf, "nPageWrites........ %d\n", dev->nPageWrites); +- buf += sprintf(buf, "nPageReads......... %d\n", dev->nPageReads); +- buf += sprintf(buf, "nBlockErasures..... %d\n", dev->nBlockErasures); +- buf += sprintf(buf, "nGCCopies.......... %d\n", dev->nGCCopies); +- buf += sprintf(buf, "garbageCollections. %d\n", dev->garbageCollections); +- buf += sprintf(buf, "passiveGCs......... %d\n", +- dev->passiveGarbageCollections); +- buf += sprintf(buf, "nRetriedWrites..... %d\n", dev->nRetriedWrites); +- buf += sprintf(buf, "nShortOpCaches..... %d\n", dev->nShortOpCaches); +- buf += sprintf(buf, "nRetireBlocks...... %d\n", dev->nRetiredBlocks); +- buf += sprintf(buf, "eccFixed........... %d\n", dev->eccFixed); +- buf += sprintf(buf, "eccUnfixed......... %d\n", dev->eccUnfixed); +- buf += sprintf(buf, "tagsEccFixed....... %d\n", dev->tagsEccFixed); +- buf += sprintf(buf, "tagsEccUnfixed..... %d\n", dev->tagsEccUnfixed); +- buf += sprintf(buf, "cacheHits.......... %d\n", dev->cacheHits); +- buf += sprintf(buf, "nDeletedFiles...... %d\n", dev->nDeletedFiles); +- buf += sprintf(buf, "nUnlinkedFiles..... %d\n", dev->nUnlinkedFiles); +- buf += +- sprintf(buf, "nBackgroudDeletions %d\n", dev->nBackgroundDeletions); +- buf += sprintf(buf, "useNANDECC......... %d\n", dev->useNANDECC); +- buf += sprintf(buf, "isYaffs2........... %d\n", dev->isYaffs2); +- buf += sprintf(buf, "inbandTags......... %d\n", dev->inbandTags); +- +- return buf; +-} +- +-static int yaffs_proc_read(char *page, +- char **start, +- off_t offset, int count, int *eof, void *data) +-{ +- struct ylist_head *item; +- char *buf = page; +- int step = offset; +- int n = 0; +- +- /* Get proc_file_read() to step 'offset' by one on each sucessive call. +- * We use 'offset' (*ppos) to indicate where we are in devList. +- * This also assumes the user has posted a read buffer large +- * enough to hold the complete output; but that's life in /proc. +- */ +- +- *(int *)start = 1; +- +- /* Print header first */ +- if (step == 0) { +- buf += sprintf(buf, "YAFFS built:" __DATE__ " " __TIME__ +- "\n%s\n%s\n", yaffs_fs_c_version, +- yaffs_guts_c_version); +- } +- +- /* hold lock_kernel while traversing yaffs_dev_list */ +- lock_kernel(); +- +- /* Locate and print the Nth entry. Order N-squared but N is small. */ +- ylist_for_each(item, &yaffs_dev_list) { +- yaffs_Device *dev = ylist_entry(item, yaffs_Device, devList); +- if (n < step) { +- n++; +- continue; +- } +- buf += sprintf(buf, "\nDevice %d \"%s\"\n", n, dev->name); +- buf = yaffs_dump_dev(buf, dev); +- break; +- } +- unlock_kernel(); +- +- return buf - page < count ? buf - page : count; +-} +- +-/** +- * Set the verbosity of the warnings and error messages. +- * +- * Note that the names can only be a..z or _ with the current code. +- */ +- +-static struct { +- char *mask_name; +- unsigned mask_bitfield; +-} mask_flags[] = { +- {"allocate", YAFFS_TRACE_ALLOCATE}, +- {"always", YAFFS_TRACE_ALWAYS}, +- {"bad_blocks", YAFFS_TRACE_BAD_BLOCKS}, +- {"buffers", YAFFS_TRACE_BUFFERS}, +- {"bug", YAFFS_TRACE_BUG}, +- {"checkpt", YAFFS_TRACE_CHECKPOINT}, +- {"deletion", YAFFS_TRACE_DELETION}, +- {"erase", YAFFS_TRACE_ERASE}, +- {"error", YAFFS_TRACE_ERROR}, +- {"gc_detail", YAFFS_TRACE_GC_DETAIL}, +- {"gc", YAFFS_TRACE_GC}, +- {"mtd", YAFFS_TRACE_MTD}, +- {"nandaccess", YAFFS_TRACE_NANDACCESS}, +- {"os", YAFFS_TRACE_OS}, +- {"scan_debug", YAFFS_TRACE_SCAN_DEBUG}, +- {"scan", YAFFS_TRACE_SCAN}, +- {"tracing", YAFFS_TRACE_TRACING}, +- +- {"verify", YAFFS_TRACE_VERIFY}, +- {"verify_nand", YAFFS_TRACE_VERIFY_NAND}, +- {"verify_full", YAFFS_TRACE_VERIFY_FULL}, +- {"verify_all", YAFFS_TRACE_VERIFY_ALL}, +- +- {"write", YAFFS_TRACE_WRITE}, +- {"all", 0xffffffff}, +- {"none", 0}, +- {NULL, 0}, +-}; +- +-#define MAX_MASK_NAME_LENGTH 40 +-static int yaffs_proc_write(struct file *file, const char *buf, +- unsigned long count, void *data) +-{ +- unsigned rg = 0, mask_bitfield; +- char *end; +- char *mask_name; +- const char *x; +- char substring[MAX_MASK_NAME_LENGTH + 1]; +- int i; +- int done = 0; +- int add, len = 0; +- int pos = 0; +- +- rg = yaffs_traceMask; +- +- while (!done && (pos < count)) { +- done = 1; +- while ((pos < count) && isspace(buf[pos])) +- pos++; +- +- switch (buf[pos]) { +- case '+': +- case '-': +- case '=': +- add = buf[pos]; +- pos++; +- break; +- +- default: +- add = ' '; +- break; +- } +- mask_name = NULL; +- +- mask_bitfield = simple_strtoul(buf + pos, &end, 0); +- +- if (end > buf + pos) { +- mask_name = "numeral"; +- len = end - (buf + pos); +- pos += len; +- done = 0; +- } else { +- for (x = buf + pos, i = 0; +- (*x == '_' || (*x >= 'a' && *x <= 'z')) && +- i < MAX_MASK_NAME_LENGTH; x++, i++, pos++) +- substring[i] = *x; +- substring[i] = '\0'; +- +- for (i = 0; mask_flags[i].mask_name != NULL; i++) { +- if (strcmp(substring, mask_flags[i].mask_name) == 0) { +- mask_name = mask_flags[i].mask_name; +- mask_bitfield = mask_flags[i].mask_bitfield; +- done = 0; +- break; +- } +- } +- } +- +- if (mask_name != NULL) { +- done = 0; +- switch (add) { +- case '-': +- rg &= ~mask_bitfield; +- break; +- case '+': +- rg |= mask_bitfield; +- break; +- case '=': +- rg = mask_bitfield; +- break; +- default: +- rg |= mask_bitfield; +- break; +- } +- } +- } +- +- yaffs_traceMask = rg | YAFFS_TRACE_ALWAYS; +- +- printk(KERN_DEBUG "new trace = 0x%08X\n", yaffs_traceMask); +- +- if (rg & YAFFS_TRACE_ALWAYS) { +- for (i = 0; mask_flags[i].mask_name != NULL; i++) { +- char flag; +- flag = ((rg & mask_flags[i].mask_bitfield) == mask_flags[i].mask_bitfield) ? '+' : '-'; +- printk(KERN_DEBUG "%c%s\n", flag, mask_flags[i].mask_name); +- } +- } +- +- return count; +-} +- +-/* Stuff to handle installation of file systems */ +-struct file_system_to_install { +- struct file_system_type *fst; +- int installed; +-}; +- +-static struct file_system_to_install fs_to_install[] = { +- {&yaffs_fs_type, 0}, +- {&yaffs2_fs_type, 0}, +- {NULL, 0} +-}; +- +-static int __init init_yaffs_fs(void) +-{ +- int error = 0; +- struct file_system_to_install *fsinst; +- +- T(YAFFS_TRACE_ALWAYS, +- ("yaffs " __DATE__ " " __TIME__ " Installing. \n")); +- +- /* Install the proc_fs entry */ +- my_proc_entry = create_proc_entry("yaffs", +- S_IRUGO | S_IFREG, +- YPROC_ROOT); +- +- if (my_proc_entry) { +- my_proc_entry->write_proc = yaffs_proc_write; +- my_proc_entry->read_proc = yaffs_proc_read; +- my_proc_entry->data = NULL; +- } else +- return -ENOMEM; +- +- /* Now add the file system entries */ +- +- fsinst = fs_to_install; +- +- while (fsinst->fst && !error) { +- error = register_filesystem(fsinst->fst); +- if (!error) +- fsinst->installed = 1; +- fsinst++; +- } +- +- /* Any errors? uninstall */ +- if (error) { +- fsinst = fs_to_install; +- +- while (fsinst->fst) { +- if (fsinst->installed) { +- unregister_filesystem(fsinst->fst); +- fsinst->installed = 0; +- } +- fsinst++; +- } +- } +- +- return error; +-} +- +-static void __exit exit_yaffs_fs(void) +-{ +- +- struct file_system_to_install *fsinst; +- +- T(YAFFS_TRACE_ALWAYS, ("yaffs " __DATE__ " " __TIME__ +- " removing. \n")); +- +- remove_proc_entry("yaffs", YPROC_ROOT); +- +- fsinst = fs_to_install; +- +- while (fsinst->fst) { +- if (fsinst->installed) { +- unregister_filesystem(fsinst->fst); +- fsinst->installed = 0; +- } +- fsinst++; +- } +-} +- +-module_init(init_yaffs_fs) +-module_exit(exit_yaffs_fs) +- +-MODULE_DESCRIPTION("YAFFS2 - a NAND specific flash file system"); +-MODULE_AUTHOR("Charles Manning, Aleph One Ltd., 2002-2006"); +-MODULE_LICENSE("GPL"); +--- a/fs/yaffs2/yaffs_getblockinfo.h ++++ b/fs/yaffs2/yaffs_getblockinfo.h +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -17,18 +17,19 @@ + #define __YAFFS_GETBLOCKINFO_H__ + + #include "yaffs_guts.h" ++#include "yaffs_trace.h" + + /* Function to manipulate block info */ +-static Y_INLINE yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device * dev, int blk) ++static Y_INLINE yaffs_block_info_t *yaffs_get_block_info(yaffs_dev_t * dev, int blk) + { +- if (blk < dev->internalStartBlock || blk > dev->internalEndBlock) { ++ if (blk < dev->internal_start_block || blk > dev->internal_end_block) { + T(YAFFS_TRACE_ERROR, + (TSTR + ("**>> yaffs: getBlockInfo block %d is not valid" TENDSTR), + blk)); + YBUG(); + } +- return &dev->blockInfo[blk - dev->internalStartBlock]; ++ return &dev->block_info[blk - dev->internal_start_block]; + } + + #endif +--- a/fs/yaffs2/yaffs_guts.c ++++ b/fs/yaffs2/yaffs_guts.c +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -10,11 +10,8 @@ + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +- +-const char *yaffs_guts_c_version = +- "$Id: yaffs_guts.c,v 1.82 2009-03-09 04:24:17 charles Exp $"; +- + #include "yportenv.h" ++#include "yaffs_trace.h" + + #include "yaffsinterface.h" + #include "yaffs_guts.h" +@@ -22,118 +19,109 @@ const char *yaffs_guts_c_version = + #include "yaffs_getblockinfo.h" + + #include "yaffs_tagscompat.h" +-#ifndef CONFIG_YAFFS_USE_OWN_SORT +-#include "yaffs_qsort.h" +-#endif ++ + #include "yaffs_nand.h" + +-#include "yaffs_checkptrw.h" ++#include "yaffs_yaffs1.h" ++#include "yaffs_yaffs2.h" ++#include "yaffs_bitmap.h" ++#include "yaffs_verify.h" + + #include "yaffs_nand.h" + #include "yaffs_packedtags2.h" + ++#include "yaffs_nameval.h" ++#include "yaffs_allocator.h" + +-#define YAFFS_PASSIVE_GC_CHUNKS 2 ++/* Note YAFFS_GC_GOOD_ENOUGH must be <= YAFFS_GC_PASSIVE_THRESHOLD */ ++#define YAFFS_GC_GOOD_ENOUGH 2 ++#define YAFFS_GC_PASSIVE_THRESHOLD 4 + + #include "yaffs_ecc.h" + + ++ + /* Robustification (if it ever comes about...) */ +-static void yaffs_RetireBlock(yaffs_Device *dev, int blockInNAND); +-static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND, ++static void yaffs_retire_block(yaffs_dev_t *dev, int flash_block); ++static void yaffs_handle_chunk_wr_error(yaffs_dev_t *dev, int nand_chunk, + int erasedOk); +-static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND, ++static void yaffs_handle_chunk_wr_ok(yaffs_dev_t *dev, int nand_chunk, + const __u8 *data, +- const yaffs_ExtendedTags *tags); +-static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND, +- const yaffs_ExtendedTags *tags); ++ const yaffs_ext_tags *tags); ++static void yaffs_handle_chunk_update(yaffs_dev_t *dev, int nand_chunk, ++ const yaffs_ext_tags *tags); + + /* Other local prototypes */ +-static int yaffs_UnlinkObject(yaffs_Object *obj); +-static int yaffs_ObjectHasCachedWriteData(yaffs_Object *obj); +- +-static void yaffs_HardlinkFixup(yaffs_Device *dev, yaffs_Object *hardList); ++static void yaffs_update_parent(yaffs_obj_t *obj); ++static int yaffs_unlink_obj(yaffs_obj_t *obj); ++static int yaffs_obj_cache_dirty(yaffs_obj_t *obj); + +-static int yaffs_WriteNewChunkWithTagsToNAND(yaffs_Device *dev, ++static int yaffs_write_new_chunk(yaffs_dev_t *dev, + const __u8 *buffer, +- yaffs_ExtendedTags *tags, ++ yaffs_ext_tags *tags, + int useReserve); +-static int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode, +- int chunkInNAND, int inScan); + +-static yaffs_Object *yaffs_CreateNewObject(yaffs_Device *dev, int number, +- yaffs_ObjectType type); +-static void yaffs_AddObjectToDirectory(yaffs_Object *directory, +- yaffs_Object *obj); +-static int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name, +- int force, int isShrink, int shadows); +-static void yaffs_RemoveObjectFromDirectory(yaffs_Object *obj); +-static int yaffs_CheckStructures(void); +-static int yaffs_DeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, __u32 level, +- int chunkOffset, int *limit); +-static int yaffs_DoGenericObjectDeletion(yaffs_Object *in); +- +-static yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device *dev, int blockNo); + ++static yaffs_obj_t *yaffs_new_obj(yaffs_dev_t *dev, int number, ++ yaffs_obj_type type); + +-static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev, +- int chunkInNAND); + +-static int yaffs_UnlinkWorker(yaffs_Object *obj); ++static int yaffs_apply_xattrib_mod(yaffs_obj_t *obj, char *buffer, yaffs_xattr_mod *xmod); + +-static int yaffs_TagsMatch(const yaffs_ExtendedTags *tags, int objectId, +- int chunkInObject); ++static void yaffs_remove_obj_from_dir(yaffs_obj_t *obj); ++static int yaffs_check_structures(void); ++static int yaffs_generic_obj_del(yaffs_obj_t *in); ++ ++static int yaffs_check_chunk_erased(struct yaffs_dev_s *dev, ++ int nand_chunk); + +-static int yaffs_AllocateChunk(yaffs_Device *dev, int useReserve, +- yaffs_BlockInfo **blockUsedPtr); ++static int yaffs_unlink_worker(yaffs_obj_t *obj); + +-static void yaffs_VerifyFreeChunks(yaffs_Device *dev); ++static int yaffs_tags_match(const yaffs_ext_tags *tags, int obj_id, ++ int chunkInObject); + +-static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in); ++static int yaffs_alloc_chunk(yaffs_dev_t *dev, int useReserve, ++ yaffs_block_info_t **blockUsedPtr); + +-static void yaffs_VerifyDirectory(yaffs_Object *directory); +-#ifdef YAFFS_PARANOID +-static int yaffs_CheckFileSanity(yaffs_Object *in); +-#else +-#define yaffs_CheckFileSanity(in) +-#endif ++static void yaffs_check_obj_details_loaded(yaffs_obj_t *in); ++ ++static void yaffs_invalidate_whole_cache(yaffs_obj_t *in); ++static void yaffs_invalidate_chunk_cache(yaffs_obj_t *object, int chunk_id); + +-static void yaffs_InvalidateWholeChunkCache(yaffs_Object *in); +-static void yaffs_InvalidateChunkCache(yaffs_Object *object, int chunkId); ++static int yaffs_find_chunk_in_file(yaffs_obj_t *in, int inode_chunk, ++ yaffs_ext_tags *tags); + +-static void yaffs_InvalidateCheckpoint(yaffs_Device *dev); ++static int yaffs_verify_chunk_written(yaffs_dev_t *dev, ++ int nand_chunk, ++ const __u8 *data, ++ yaffs_ext_tags *tags); + +-static int yaffs_FindChunkInFile(yaffs_Object *in, int chunkInInode, +- yaffs_ExtendedTags *tags); + +-static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn, +- unsigned pos); +-static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device *dev, +- yaffs_FileStructure *fStruct, +- __u32 chunkId); ++static void yaffs_load_name_from_oh(yaffs_dev_t *dev,YCHAR *name, const YCHAR *ohName, int bufferSize); ++static void yaffs_load_oh_from_name(yaffs_dev_t *dev,YCHAR *ohName, const YCHAR *name); + + + /* Function to calculate chunk and offset */ + +-static void yaffs_AddrToChunk(yaffs_Device *dev, loff_t addr, int *chunkOut, ++static void yaffs_addr_to_chunk(yaffs_dev_t *dev, loff_t addr, int *chunkOut, + __u32 *offsetOut) + { + int chunk; + __u32 offset; + +- chunk = (__u32)(addr >> dev->chunkShift); ++ chunk = (__u32)(addr >> dev->chunk_shift); + +- if (dev->chunkDiv == 1) { ++ if (dev->chunk_div == 1) { + /* easy power of 2 case */ +- offset = (__u32)(addr & dev->chunkMask); ++ offset = (__u32)(addr & dev->chunk_mask); + } else { + /* Non power-of-2 case */ + + loff_t chunkBase; + +- chunk /= dev->chunkDiv; ++ chunk /= dev->chunk_div; + +- chunkBase = ((loff_t)chunk) * dev->nDataBytesPerChunk; ++ chunkBase = ((loff_t)chunk) * dev->data_bytes_per_chunk; + offset = (__u32)(addr - chunkBase); + } + +@@ -172,7 +160,7 @@ static __u32 ShiftsGE(__u32 x) + + static __u32 Shifts(__u32 x) + { +- int nShifts; ++ __u32 nShifts; + + nShifts = 0; + +@@ -193,49 +181,49 @@ static __u32 Shifts(__u32 x) + * Temporary buffer manipulations. + */ + +-static int yaffs_InitialiseTempBuffers(yaffs_Device *dev) ++static int yaffs_init_tmp_buffers(yaffs_dev_t *dev) + { + int i; + __u8 *buf = (__u8 *)1; + +- memset(dev->tempBuffer, 0, sizeof(dev->tempBuffer)); ++ memset(dev->temp_buffer, 0, sizeof(dev->temp_buffer)); + + for (i = 0; buf && i < YAFFS_N_TEMP_BUFFERS; i++) { +- dev->tempBuffer[i].line = 0; /* not in use */ +- dev->tempBuffer[i].buffer = buf = +- YMALLOC_DMA(dev->totalBytesPerChunk); ++ dev->temp_buffer[i].line = 0; /* not in use */ ++ dev->temp_buffer[i].buffer = buf = ++ YMALLOC_DMA(dev->param.total_bytes_per_chunk); + } + + return buf ? YAFFS_OK : YAFFS_FAIL; + } + +-__u8 *yaffs_GetTempBuffer(yaffs_Device *dev, int lineNo) ++__u8 *yaffs_get_temp_buffer(yaffs_dev_t *dev, int line_no) + { + int i, j; + +- dev->tempInUse++; +- if (dev->tempInUse > dev->maxTemp) +- dev->maxTemp = dev->tempInUse; ++ dev->temp_in_use++; ++ if (dev->temp_in_use > dev->max_temp) ++ dev->max_temp = dev->temp_in_use; + + for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) { +- if (dev->tempBuffer[i].line == 0) { +- dev->tempBuffer[i].line = lineNo; +- if ((i + 1) > dev->maxTemp) { +- dev->maxTemp = i + 1; ++ if (dev->temp_buffer[i].line == 0) { ++ dev->temp_buffer[i].line = line_no; ++ if ((i + 1) > dev->max_temp) { ++ dev->max_temp = i + 1; + for (j = 0; j <= i; j++) +- dev->tempBuffer[j].maxLine = +- dev->tempBuffer[j].line; ++ dev->temp_buffer[j].max_line = ++ dev->temp_buffer[j].line; + } + +- return dev->tempBuffer[i].buffer; ++ return dev->temp_buffer[i].buffer; + } + } + + T(YAFFS_TRACE_BUFFERS, + (TSTR("Out of temp buffers at line %d, other held by lines:"), +- lineNo)); ++ line_no)); + for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) +- T(YAFFS_TRACE_BUFFERS, (TSTR(" %d "), dev->tempBuffer[i].line)); ++ T(YAFFS_TRACE_BUFFERS, (TSTR(" %d "), dev->temp_buffer[i].line)); + + T(YAFFS_TRACE_BUFFERS, (TSTR(" " TENDSTR))); + +@@ -244,21 +232,21 @@ __u8 *yaffs_GetTempBuffer(yaffs_Device * + * This is not good. + */ + +- dev->unmanagedTempAllocations++; +- return YMALLOC(dev->nDataBytesPerChunk); ++ dev->unmanaged_buffer_allocs++; ++ return YMALLOC(dev->data_bytes_per_chunk); + + } + +-void yaffs_ReleaseTempBuffer(yaffs_Device *dev, __u8 *buffer, +- int lineNo) ++void yaffs_release_temp_buffer(yaffs_dev_t *dev, __u8 *buffer, ++ int line_no) + { + int i; + +- dev->tempInUse--; ++ dev->temp_in_use--; + + for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) { +- if (dev->tempBuffer[i].buffer == buffer) { +- dev->tempBuffer[i].line = 0; ++ if (dev->temp_buffer[i].buffer == buffer) { ++ dev->temp_buffer[i].line = 0; + return; + } + } +@@ -267,9 +255,9 @@ void yaffs_ReleaseTempBuffer(yaffs_Devic + /* assume it is an unmanaged one. */ + T(YAFFS_TRACE_BUFFERS, + (TSTR("Releasing unmanaged temp buffer in line %d" TENDSTR), +- lineNo)); ++ line_no)); + YFREE(buffer); +- dev->unmanagedTempDeallocations++; ++ dev->unmanaged_buffer_deallocs++; + } + + } +@@ -277,21 +265,21 @@ void yaffs_ReleaseTempBuffer(yaffs_Devic + /* + * Determine if we have a managed buffer. + */ +-int yaffs_IsManagedTempBuffer(yaffs_Device *dev, const __u8 *buffer) ++int yaffs_is_managed_tmp_buffer(yaffs_dev_t *dev, const __u8 *buffer) + { + int i; + + for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) { +- if (dev->tempBuffer[i].buffer == buffer) ++ if (dev->temp_buffer[i].buffer == buffer) + return 1; + } + +- for (i = 0; i < dev->nShortOpCaches; i++) { +- if (dev->srCache[i].data == buffer) ++ for (i = 0; i < dev->param.n_caches; i++) { ++ if (dev->cache[i].data == buffer) + return 1; + } + +- if (buffer == dev->checkpointBuffer) ++ if (buffer == dev->checkpt_buffer) + return 1; + + T(YAFFS_TRACE_ALWAYS, +@@ -299,6397 +287,4205 @@ int yaffs_IsManagedTempBuffer(yaffs_Devi + return 0; + } + +- +- + /* +- * Chunk bitmap manipulations ++ * Verification code + */ + +-static Y_INLINE __u8 *yaffs_BlockBits(yaffs_Device *dev, int blk) +-{ +- if (blk < dev->internalStartBlock || blk > dev->internalEndBlock) { +- T(YAFFS_TRACE_ERROR, +- (TSTR("**>> yaffs: BlockBits block %d is not valid" TENDSTR), +- blk)); +- YBUG(); +- } +- return dev->chunkBits + +- (dev->chunkBitmapStride * (blk - dev->internalStartBlock)); +-} + +-static Y_INLINE void yaffs_VerifyChunkBitId(yaffs_Device *dev, int blk, int chunk) +-{ +- if (blk < dev->internalStartBlock || blk > dev->internalEndBlock || +- chunk < 0 || chunk >= dev->nChunksPerBlock) { +- T(YAFFS_TRACE_ERROR, +- (TSTR("**>> yaffs: Chunk Id (%d:%d) invalid"TENDSTR), +- blk, chunk)); +- YBUG(); +- } +-} + +-static Y_INLINE void yaffs_ClearChunkBits(yaffs_Device *dev, int blk) +-{ +- __u8 *blkBits = yaffs_BlockBits(dev, blk); + +- memset(blkBits, 0, dev->chunkBitmapStride); +-} ++/* ++ * Simple hash function. Needs to have a reasonable spread ++ */ + +-static Y_INLINE void yaffs_ClearChunkBit(yaffs_Device *dev, int blk, int chunk) ++static Y_INLINE int yaffs_hash_fn(int n) + { +- __u8 *blkBits = yaffs_BlockBits(dev, blk); +- +- yaffs_VerifyChunkBitId(dev, blk, chunk); +- +- blkBits[chunk / 8] &= ~(1 << (chunk & 7)); ++ n = abs(n); ++ return n % YAFFS_NOBJECT_BUCKETS; + } + +-static Y_INLINE void yaffs_SetChunkBit(yaffs_Device *dev, int blk, int chunk) +-{ +- __u8 *blkBits = yaffs_BlockBits(dev, blk); +- +- yaffs_VerifyChunkBitId(dev, blk, chunk); +- +- blkBits[chunk / 8] |= (1 << (chunk & 7)); +-} ++/* ++ * Access functions to useful fake objects. ++ * Note that root might have a presence in NAND if permissions are set. ++ */ + +-static Y_INLINE int yaffs_CheckChunkBit(yaffs_Device *dev, int blk, int chunk) ++yaffs_obj_t *yaffs_root(yaffs_dev_t *dev) + { +- __u8 *blkBits = yaffs_BlockBits(dev, blk); +- yaffs_VerifyChunkBitId(dev, blk, chunk); +- +- return (blkBits[chunk / 8] & (1 << (chunk & 7))) ? 1 : 0; ++ return dev->root_dir; + } + +-static Y_INLINE int yaffs_StillSomeChunkBits(yaffs_Device *dev, int blk) ++yaffs_obj_t *yaffs_lost_n_found(yaffs_dev_t *dev) + { +- __u8 *blkBits = yaffs_BlockBits(dev, blk); +- int i; +- for (i = 0; i < dev->chunkBitmapStride; i++) { +- if (*blkBits) +- return 1; +- blkBits++; +- } +- return 0; ++ return dev->lost_n_found; + } + +-static int yaffs_CountChunkBits(yaffs_Device *dev, int blk) +-{ +- __u8 *blkBits = yaffs_BlockBits(dev, blk); +- int i; +- int n = 0; +- for (i = 0; i < dev->chunkBitmapStride; i++) { +- __u8 x = *blkBits; +- while (x) { +- if (x & 1) +- n++; +- x >>= 1; +- } +- +- blkBits++; +- } +- return n; +-} + + /* +- * Verification code ++ * Erased NAND checking functions + */ + +-static int yaffs_SkipVerification(yaffs_Device *dev) +-{ +- return !(yaffs_traceMask & (YAFFS_TRACE_VERIFY | YAFFS_TRACE_VERIFY_FULL)); +-} +- +-static int yaffs_SkipFullVerification(yaffs_Device *dev) +-{ +- return !(yaffs_traceMask & (YAFFS_TRACE_VERIFY_FULL)); +-} +- +-static int yaffs_SkipNANDVerification(yaffs_Device *dev) ++int yaffs_check_ff(__u8 *buffer, int n_bytes) + { +- return !(yaffs_traceMask & (YAFFS_TRACE_VERIFY_NAND)); ++ /* Horrible, slow implementation */ ++ while (n_bytes--) { ++ if (*buffer != 0xFF) ++ return 0; ++ buffer++; ++ } ++ return 1; + } + +-static const char *blockStateName[] = { +-"Unknown", +-"Needs scanning", +-"Scanning", +-"Empty", +-"Allocating", +-"Full", +-"Dirty", +-"Checkpoint", +-"Collecting", +-"Dead" +-}; +- +-static void yaffs_VerifyBlock(yaffs_Device *dev, yaffs_BlockInfo *bi, int n) ++static int yaffs_check_chunk_erased(struct yaffs_dev_s *dev, ++ int nand_chunk) + { +- int actuallyUsed; +- int inUse; ++ int retval = YAFFS_OK; ++ __u8 *data = yaffs_get_temp_buffer(dev, __LINE__); ++ yaffs_ext_tags tags; ++ int result; + +- if (yaffs_SkipVerification(dev)) +- return; ++ result = yaffs_rd_chunk_tags_nand(dev, nand_chunk, data, &tags); + +- /* Report illegal runtime states */ +- if (bi->blockState >= YAFFS_NUMBER_OF_BLOCK_STATES) +- T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has undefined state %d"TENDSTR), n, bi->blockState)); ++ if (tags.ecc_result > YAFFS_ECC_RESULT_NO_ERROR) ++ retval = YAFFS_FAIL; + +- switch (bi->blockState) { +- case YAFFS_BLOCK_STATE_UNKNOWN: +- case YAFFS_BLOCK_STATE_SCANNING: +- case YAFFS_BLOCK_STATE_NEEDS_SCANNING: +- T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has bad run-state %s"TENDSTR), +- n, blockStateName[bi->blockState])); ++ if (!yaffs_check_ff(data, dev->data_bytes_per_chunk) || tags.chunk_used) { ++ T(YAFFS_TRACE_NANDACCESS, ++ (TSTR("Chunk %d not erased" TENDSTR), nand_chunk)); ++ retval = YAFFS_FAIL; + } + +- /* Check pages in use and soft deletions are legal */ +- +- actuallyUsed = bi->pagesInUse - bi->softDeletions; +- +- if (bi->pagesInUse < 0 || bi->pagesInUse > dev->nChunksPerBlock || +- bi->softDeletions < 0 || bi->softDeletions > dev->nChunksPerBlock || +- actuallyUsed < 0 || actuallyUsed > dev->nChunksPerBlock) +- T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has illegal values pagesInUsed %d softDeletions %d"TENDSTR), +- n, bi->pagesInUse, bi->softDeletions)); +- ++ yaffs_release_temp_buffer(dev, data, __LINE__); + +- /* Check chunk bitmap legal */ +- inUse = yaffs_CountChunkBits(dev, n); +- if (inUse != bi->pagesInUse) +- T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has inconsistent values pagesInUse %d counted chunk bits %d"TENDSTR), +- n, bi->pagesInUse, inUse)); ++ return retval; + +- /* Check that the sequence number is valid. +- * Ten million is legal, but is very unlikely +- */ +- if (dev->isYaffs2 && +- (bi->blockState == YAFFS_BLOCK_STATE_ALLOCATING || bi->blockState == YAFFS_BLOCK_STATE_FULL) && +- (bi->sequenceNumber < YAFFS_LOWEST_SEQUENCE_NUMBER || bi->sequenceNumber > 10000000)) +- T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has suspect sequence number of %d"TENDSTR), +- n, bi->sequenceNumber)); + } + +-static void yaffs_VerifyCollectedBlock(yaffs_Device *dev, yaffs_BlockInfo *bi, +- int n) ++ ++static int yaffs_verify_chunk_written(yaffs_dev_t *dev, ++ int nand_chunk, ++ const __u8 *data, ++ yaffs_ext_tags *tags) + { +- yaffs_VerifyBlock(dev, bi, n); ++ int retval = YAFFS_OK; ++ yaffs_ext_tags tempTags; ++ __u8 *buffer = yaffs_get_temp_buffer(dev,__LINE__); ++ int result; ++ ++ result = yaffs_rd_chunk_tags_nand(dev,nand_chunk,buffer,&tempTags); ++ if(memcmp(buffer,data,dev->data_bytes_per_chunk) || ++ tempTags.obj_id != tags->obj_id || ++ tempTags.chunk_id != tags->chunk_id || ++ tempTags.n_bytes != tags->n_bytes) ++ retval = YAFFS_FAIL; + +- /* After collection the block should be in the erased state */ +- /* This will need to change if we do partial gc */ ++ yaffs_release_temp_buffer(dev, buffer, __LINE__); + +- if (bi->blockState != YAFFS_BLOCK_STATE_COLLECTING && +- bi->blockState != YAFFS_BLOCK_STATE_EMPTY) { +- T(YAFFS_TRACE_ERROR, (TSTR("Block %d is in state %d after gc, should be erased"TENDSTR), +- n, bi->blockState)); +- } ++ return retval; + } + +-static void yaffs_VerifyBlocks(yaffs_Device *dev) ++static int yaffs_write_new_chunk(struct yaffs_dev_s *dev, ++ const __u8 *data, ++ yaffs_ext_tags *tags, ++ int useReserve) + { +- int i; +- int nBlocksPerState[YAFFS_NUMBER_OF_BLOCK_STATES]; +- int nIllegalBlockStates = 0; +- +- if (yaffs_SkipVerification(dev)) +- return; +- +- memset(nBlocksPerState, 0, sizeof(nBlocksPerState)); +- +- for (i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) { +- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, i); +- yaffs_VerifyBlock(dev, bi, i); +- +- if (bi->blockState < YAFFS_NUMBER_OF_BLOCK_STATES) +- nBlocksPerState[bi->blockState]++; +- else +- nIllegalBlockStates++; +- } ++ int attempts = 0; ++ int writeOk = 0; ++ int chunk; + +- T(YAFFS_TRACE_VERIFY, (TSTR(""TENDSTR))); +- T(YAFFS_TRACE_VERIFY, (TSTR("Block summary"TENDSTR))); ++ yaffs2_checkpt_invalidate(dev); + +- T(YAFFS_TRACE_VERIFY, (TSTR("%d blocks have illegal states"TENDSTR), nIllegalBlockStates)); +- if (nBlocksPerState[YAFFS_BLOCK_STATE_ALLOCATING] > 1) +- T(YAFFS_TRACE_VERIFY, (TSTR("Too many allocating blocks"TENDSTR))); ++ do { ++ yaffs_block_info_t *bi = 0; ++ int erasedOk = 0; + +- for (i = 0; i < YAFFS_NUMBER_OF_BLOCK_STATES; i++) +- T(YAFFS_TRACE_VERIFY, +- (TSTR("%s %d blocks"TENDSTR), +- blockStateName[i], nBlocksPerState[i])); ++ chunk = yaffs_alloc_chunk(dev, useReserve, &bi); ++ if (chunk < 0) { ++ /* no space */ ++ break; ++ } + +- if (dev->blocksInCheckpoint != nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT]) +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Checkpoint block count wrong dev %d count %d"TENDSTR), +- dev->blocksInCheckpoint, nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT])); ++ /* First check this chunk is erased, if it needs ++ * checking. The checking policy (unless forced ++ * always on) is as follows: ++ * ++ * Check the first page we try to write in a block. ++ * If the check passes then we don't need to check any ++ * more. If the check fails, we check again... ++ * If the block has been erased, we don't need to check. ++ * ++ * However, if the block has been prioritised for gc, ++ * then we think there might be something odd about ++ * this block and stop using it. ++ * ++ * Rationale: We should only ever see chunks that have ++ * not been erased if there was a partially written ++ * chunk due to power loss. This checking policy should ++ * catch that case with very few checks and thus save a ++ * lot of checks that are most likely not needed. ++ * ++ * Mods to the above ++ * If an erase check fails or the write fails we skip the ++ * rest of the block. ++ */ + +- if (dev->nErasedBlocks != nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY]) +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Erased block count wrong dev %d count %d"TENDSTR), +- dev->nErasedBlocks, nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY])); ++ /* let's give it a try */ ++ attempts++; + +- if (nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING] > 1) +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Too many collecting blocks %d (max is 1)"TENDSTR), +- nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING])); ++ if(dev->param.always_check_erased) ++ bi->skip_erased_check = 0; + +- T(YAFFS_TRACE_VERIFY, (TSTR(""TENDSTR))); ++ if (!bi->skip_erased_check) { ++ erasedOk = yaffs_check_chunk_erased(dev, chunk); ++ if (erasedOk != YAFFS_OK) { ++ T(YAFFS_TRACE_ERROR, ++ (TSTR("**>> yaffs chunk %d was not erased" ++ TENDSTR), chunk)); + +-} ++ /* If not erased, delete this one, ++ * skip rest of block and ++ * try another chunk */ ++ yaffs_chunk_del(dev,chunk,1,__LINE__); ++ yaffs_skip_rest_of_block(dev); ++ continue; ++ } ++ } + +-/* +- * Verify the object header. oh must be valid, but obj and tags may be NULL in which +- * case those tests will not be performed. +- */ +-static void yaffs_VerifyObjectHeader(yaffs_Object *obj, yaffs_ObjectHeader *oh, yaffs_ExtendedTags *tags, int parentCheck) +-{ +- if (obj && yaffs_SkipVerification(obj->myDev)) +- return; ++ writeOk = yaffs_wr_chunk_tags_nand(dev, chunk, ++ data, tags); + +- if (!(tags && obj && oh)) { +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Verifying object header tags %x obj %x oh %x"TENDSTR), +- (__u32)tags, (__u32)obj, (__u32)oh)); +- return; +- } ++ if(!bi->skip_erased_check) ++ writeOk = yaffs_verify_chunk_written(dev, chunk, data, tags); + +- if (oh->type <= YAFFS_OBJECT_TYPE_UNKNOWN || +- oh->type > YAFFS_OBJECT_TYPE_MAX) +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Obj %d header type is illegal value 0x%x"TENDSTR), +- tags->objectId, oh->type)); ++ if (writeOk != YAFFS_OK) { ++ /* Clean up aborted write, skip to next block and ++ * try another chunk */ ++ yaffs_handle_chunk_wr_error(dev, chunk, erasedOk); ++ continue; ++ } + +- if (tags->objectId != obj->objectId) +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Obj %d header mismatch objectId %d"TENDSTR), +- tags->objectId, obj->objectId)); ++ bi->skip_erased_check = 1; + ++ /* Copy the data into the robustification buffer */ ++ yaffs_handle_chunk_wr_ok(dev, chunk, data, tags); + +- /* +- * Check that the object's parent ids match if parentCheck requested. +- * +- * Tests do not apply to the root object. +- */ ++ } while (writeOk != YAFFS_OK && ++ (yaffs_wr_attempts <= 0 || attempts <= yaffs_wr_attempts)); + +- if (parentCheck && tags->objectId > 1 && !obj->parent) +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Obj %d header mismatch parentId %d obj->parent is NULL"TENDSTR), +- tags->objectId, oh->parentObjectId)); ++ if (!writeOk) ++ chunk = -1; + +- if (parentCheck && obj->parent && +- oh->parentObjectId != obj->parent->objectId && +- (oh->parentObjectId != YAFFS_OBJECTID_UNLINKED || +- obj->parent->objectId != YAFFS_OBJECTID_DELETED)) +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Obj %d header mismatch parentId %d parentObjectId %d"TENDSTR), +- tags->objectId, oh->parentObjectId, obj->parent->objectId)); ++ if (attempts > 1) { ++ T(YAFFS_TRACE_ERROR, ++ (TSTR("**>> yaffs write required %d attempts" TENDSTR), ++ attempts)); + +- if (tags->objectId > 1 && oh->name[0] == 0) /* Null name */ +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Obj %d header name is NULL"TENDSTR), +- obj->objectId)); ++ dev->n_retired_writes += (attempts - 1); ++ } + +- if (tags->objectId > 1 && ((__u8)(oh->name[0])) == 0xff) /* Trashed name */ +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Obj %d header name is 0xFF"TENDSTR), +- obj->objectId)); ++ return chunk; + } + + ++ ++/* ++ * Block retiring for handling a broken block. ++ */ + +-static int yaffs_VerifyTnodeWorker(yaffs_Object *obj, yaffs_Tnode *tn, +- __u32 level, int chunkOffset) ++static void yaffs_retire_block(yaffs_dev_t *dev, int flash_block) + { +- int i; +- yaffs_Device *dev = obj->myDev; +- int ok = 1; ++ yaffs_block_info_t *bi = yaffs_get_block_info(dev, flash_block); + +- if (tn) { +- if (level > 0) { ++ yaffs2_checkpt_invalidate(dev); ++ ++ yaffs2_clear_oldest_dirty_seq(dev,bi); + +- for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++) { +- if (tn->internal[i]) { +- ok = yaffs_VerifyTnodeWorker(obj, +- tn->internal[i], +- level - 1, +- (chunkOffset<<YAFFS_TNODES_INTERNAL_BITS) + i); +- } +- } +- } else if (level == 0) { +- yaffs_ExtendedTags tags; +- __u32 objectId = obj->objectId; ++ if (yaffs_mark_bad(dev, flash_block) != YAFFS_OK) { ++ if (yaffs_erase_block(dev, flash_block) != YAFFS_OK) { ++ T(YAFFS_TRACE_ALWAYS, (TSTR( ++ "yaffs: Failed to mark bad and erase block %d" ++ TENDSTR), flash_block)); ++ } else { ++ yaffs_ext_tags tags; ++ int chunk_id = flash_block * dev->param.chunks_per_block; + +- chunkOffset <<= YAFFS_TNODES_LEVEL0_BITS; ++ __u8 *buffer = yaffs_get_temp_buffer(dev, __LINE__); + +- for (i = 0; i < YAFFS_NTNODES_LEVEL0; i++) { +- __u32 theChunk = yaffs_GetChunkGroupBase(dev, tn, i); ++ memset(buffer, 0xff, dev->data_bytes_per_chunk); ++ yaffs_init_tags(&tags); ++ tags.seq_number = YAFFS_SEQUENCE_BAD_BLOCK; ++ if (dev->param.write_chunk_tags_fn(dev, chunk_id - ++ dev->chunk_offset, buffer, &tags) != YAFFS_OK) ++ T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Failed to " ++ TCONT("write bad block marker to block %d") ++ TENDSTR), flash_block)); + +- if (theChunk > 0) { +- /* T(~0,(TSTR("verifying (%d:%d) %d"TENDSTR),tags.objectId,tags.chunkId,theChunk)); */ +- yaffs_ReadChunkWithTagsFromNAND(dev, theChunk, NULL, &tags); +- if (tags.objectId != objectId || tags.chunkId != chunkOffset) { +- T(~0, (TSTR("Object %d chunkId %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR), +- objectId, chunkOffset, theChunk, +- tags.objectId, tags.chunkId)); +- } +- } +- chunkOffset++; +- } ++ yaffs_release_temp_buffer(dev, buffer, __LINE__); + } + } + +- return ok; ++ bi->block_state = YAFFS_BLOCK_STATE_DEAD; ++ bi->gc_prioritise = 0; ++ bi->needs_retiring = 0; + ++ dev->n_retired_blocks++; + } + ++/* ++ * Functions for robustisizing TODO ++ * ++ */ + +-static void yaffs_VerifyFile(yaffs_Object *obj) ++static void yaffs_handle_chunk_wr_ok(yaffs_dev_t *dev, int nand_chunk, ++ const __u8 *data, ++ const yaffs_ext_tags *tags) + { +- int requiredTallness; +- int actualTallness; +- __u32 lastChunk; +- __u32 x; +- __u32 i; +- yaffs_Device *dev; +- yaffs_ExtendedTags tags; +- yaffs_Tnode *tn; +- __u32 objectId; ++ dev=dev; ++ nand_chunk=nand_chunk; ++ data=data; ++ tags=tags; ++} + +- if (!obj) +- return; ++static void yaffs_handle_chunk_update(yaffs_dev_t *dev, int nand_chunk, ++ const yaffs_ext_tags *tags) ++{ ++ dev=dev; ++ nand_chunk=nand_chunk; ++ tags=tags; ++} + +- if (yaffs_SkipVerification(obj->myDev)) +- return; ++void yaffs_handle_chunk_error(yaffs_dev_t *dev, yaffs_block_info_t *bi) ++{ ++ if (!bi->gc_prioritise) { ++ bi->gc_prioritise = 1; ++ dev->has_pending_prioritised_gc = 1; ++ bi->chunk_error_strikes++; + +- dev = obj->myDev; +- objectId = obj->objectId; ++ if (bi->chunk_error_strikes > 3) { ++ bi->needs_retiring = 1; /* Too many stikes, so retire this */ ++ T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Block struck out" TENDSTR))); + +- /* Check file size is consistent with tnode depth */ +- lastChunk = obj->variant.fileVariant.fileSize / dev->nDataBytesPerChunk + 1; +- x = lastChunk >> YAFFS_TNODES_LEVEL0_BITS; +- requiredTallness = 0; +- while (x > 0) { +- x >>= YAFFS_TNODES_INTERNAL_BITS; +- requiredTallness++; ++ } + } ++} + +- actualTallness = obj->variant.fileVariant.topLevel; ++static void yaffs_handle_chunk_wr_error(yaffs_dev_t *dev, int nand_chunk, ++ int erasedOk) ++{ ++ int flash_block = nand_chunk / dev->param.chunks_per_block; ++ yaffs_block_info_t *bi = yaffs_get_block_info(dev, flash_block); + +- if (requiredTallness > actualTallness) +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Obj %d had tnode tallness %d, needs to be %d"TENDSTR), +- obj->objectId, actualTallness, requiredTallness)); ++ yaffs_handle_chunk_error(dev, bi); + ++ if (erasedOk) { ++ /* Was an actual write failure, so mark the block for retirement */ ++ bi->needs_retiring = 1; ++ T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, ++ (TSTR("**>> Block %d needs retiring" TENDSTR), flash_block)); ++ } + +- /* Check that the chunks in the tnode tree are all correct. +- * We do this by scanning through the tnode tree and +- * checking the tags for every chunk match. +- */ ++ /* Delete the chunk */ ++ yaffs_chunk_del(dev, nand_chunk, 1, __LINE__); ++ yaffs_skip_rest_of_block(dev); ++} + +- if (yaffs_SkipNANDVerification(dev)) +- return; + +- for (i = 1; i <= lastChunk; i++) { +- tn = yaffs_FindLevel0Tnode(dev, &obj->variant.fileVariant, i); ++/*---------------- Name handling functions ------------*/ + +- if (tn) { +- __u32 theChunk = yaffs_GetChunkGroupBase(dev, tn, i); +- if (theChunk > 0) { +- /* T(~0,(TSTR("verifying (%d:%d) %d"TENDSTR),objectId,i,theChunk)); */ +- yaffs_ReadChunkWithTagsFromNAND(dev, theChunk, NULL, &tags); +- if (tags.objectId != objectId || tags.chunkId != i) { +- T(~0, (TSTR("Object %d chunkId %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR), +- objectId, i, theChunk, +- tags.objectId, tags.chunkId)); +- } +- } ++static __u16 yaffs_calc_name_sum(const YCHAR *name) ++{ ++ __u16 sum = 0; ++ __u16 i = 1; ++ ++ const YUCHAR *bname = (const YUCHAR *) name; ++ if (bname) { ++ while ((*bname) && (i < (YAFFS_MAX_NAME_LENGTH/2))) { ++ ++#ifdef CONFIG_YAFFS_CASE_INSENSITIVE ++ sum += yaffs_toupper(*bname) * i; ++#else ++ sum += (*bname) * i; ++#endif ++ i++; ++ bname++; + } + } ++ return sum; + } + +- +-static void yaffs_VerifyHardLink(yaffs_Object *obj) ++void yaffs_set_obj_name(yaffs_obj_t *obj, const YCHAR *name) + { +- if (obj && yaffs_SkipVerification(obj->myDev)) +- return; +- +- /* Verify sane equivalent object */ ++#ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM ++ memset(obj->short_name, 0, sizeof(YCHAR) * (YAFFS_SHORT_NAME_LENGTH+1)); ++ if (name && yaffs_strnlen(name,YAFFS_SHORT_NAME_LENGTH+1) <= YAFFS_SHORT_NAME_LENGTH) ++ yaffs_strcpy(obj->short_name, name); ++ else ++ obj->short_name[0] = _Y('\0'); ++#endif ++ obj->sum = yaffs_calc_name_sum(name); + } + +-static void yaffs_VerifySymlink(yaffs_Object *obj) ++void yaffs_set_obj_name_from_oh(yaffs_obj_t *obj, const yaffs_obj_header *oh) + { +- if (obj && yaffs_SkipVerification(obj->myDev)) +- return; +- +- /* Verify symlink string */ ++#ifdef CONFIG_YAFFS_AUTO_UNICODE ++ YCHAR tmpName[YAFFS_MAX_NAME_LENGTH+1]; ++ memset(tmpName,0,sizeof(tmpName)); ++ yaffs_load_name_from_oh(obj->my_dev,tmpName,oh->name,YAFFS_MAX_NAME_LENGTH+1); ++ yaffs_set_obj_name(obj,tmpName); ++#else ++ yaffs_set_obj_name(obj,oh->name); ++#endif + } + +-static void yaffs_VerifySpecial(yaffs_Object *obj) +-{ +- if (obj && yaffs_SkipVerification(obj->myDev)) +- return; +-} +- +-static void yaffs_VerifyObject(yaffs_Object *obj) +-{ +- yaffs_Device *dev; +- +- __u32 chunkMin; +- __u32 chunkMax; +- +- __u32 chunkIdOk; +- __u32 chunkInRange; +- __u32 chunkShouldNotBeDeleted; +- __u32 chunkValid; +- +- if (!obj) +- return; +- +- if (obj->beingCreated) +- return; ++/*-------------------- TNODES ------------------- + +- dev = obj->myDev; ++ * List of spare tnodes ++ * The list is hooked together using the first pointer ++ * in the tnode. ++ */ + +- if (yaffs_SkipVerification(dev)) +- return; + +- /* Check sane object header chunk */ ++yaffs_tnode_t *yaffs_get_tnode(yaffs_dev_t *dev) ++{ ++ yaffs_tnode_t *tn = yaffs_alloc_raw_tnode(dev); ++ if (tn){ ++ memset(tn, 0, dev->tnode_size); ++ dev->n_tnodes++; ++ } + +- chunkMin = dev->internalStartBlock * dev->nChunksPerBlock; +- chunkMax = (dev->internalEndBlock+1) * dev->nChunksPerBlock - 1; ++ dev->checkpoint_blocks_required = 0; /* force recalculation*/ + +- chunkInRange = (((unsigned)(obj->hdrChunk)) >= chunkMin && ((unsigned)(obj->hdrChunk)) <= chunkMax); +- chunkIdOk = chunkInRange || obj->hdrChunk == 0; +- chunkValid = chunkInRange && +- yaffs_CheckChunkBit(dev, +- obj->hdrChunk / dev->nChunksPerBlock, +- obj->hdrChunk % dev->nChunksPerBlock); +- chunkShouldNotBeDeleted = chunkInRange && !chunkValid; ++ return tn; ++} + +- if (!obj->fake && +- (!chunkIdOk || chunkShouldNotBeDeleted)) { +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Obj %d has chunkId %d %s %s"TENDSTR), +- obj->objectId, obj->hdrChunk, +- chunkIdOk ? "" : ",out of range", +- chunkShouldNotBeDeleted ? ",marked as deleted" : "")); +- } ++/* FreeTnode frees up a tnode and puts it back on the free list */ ++static void yaffs_free_tnode(yaffs_dev_t *dev, yaffs_tnode_t *tn) ++{ ++ yaffs_free_raw_tnode(dev,tn); ++ dev->n_tnodes--; ++ dev->checkpoint_blocks_required = 0; /* force recalculation*/ ++} + +- if (chunkValid && !yaffs_SkipNANDVerification(dev)) { +- yaffs_ExtendedTags tags; +- yaffs_ObjectHeader *oh; +- __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__); ++static void yaffs_deinit_tnodes_and_objs(yaffs_dev_t *dev) ++{ ++ yaffs_deinit_raw_tnodes_and_objs(dev); ++ dev->n_obj = 0; ++ dev->n_tnodes = 0; ++} + +- oh = (yaffs_ObjectHeader *)buffer; + +- yaffs_ReadChunkWithTagsFromNAND(dev, obj->hdrChunk, buffer, +- &tags); ++void yaffs_load_tnode_0(yaffs_dev_t *dev, yaffs_tnode_t *tn, unsigned pos, ++ unsigned val) ++{ ++ __u32 *map = (__u32 *)tn; ++ __u32 bitInMap; ++ __u32 bitInWord; ++ __u32 wordInMap; ++ __u32 mask; + +- yaffs_VerifyObjectHeader(obj, oh, &tags, 1); ++ pos &= YAFFS_TNODES_LEVEL0_MASK; ++ val >>= dev->chunk_grp_bits; + +- yaffs_ReleaseTempBuffer(dev, buffer, __LINE__); +- } ++ bitInMap = pos * dev->tnode_width; ++ wordInMap = bitInMap / 32; ++ bitInWord = bitInMap & (32 - 1); + +- /* Verify it has a parent */ +- if (obj && !obj->fake && +- (!obj->parent || obj->parent->myDev != dev)) { +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Obj %d has parent pointer %p which does not look like an object"TENDSTR), +- obj->objectId, obj->parent)); +- } ++ mask = dev->tnode_mask << bitInWord; + +- /* Verify parent is a directory */ +- if (obj->parent && obj->parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) { +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Obj %d's parent is not a directory (type %d)"TENDSTR), +- obj->objectId, obj->parent->variantType)); +- } ++ map[wordInMap] &= ~mask; ++ map[wordInMap] |= (mask & (val << bitInWord)); + +- switch (obj->variantType) { +- case YAFFS_OBJECT_TYPE_FILE: +- yaffs_VerifyFile(obj); +- break; +- case YAFFS_OBJECT_TYPE_SYMLINK: +- yaffs_VerifySymlink(obj); +- break; +- case YAFFS_OBJECT_TYPE_DIRECTORY: +- yaffs_VerifyDirectory(obj); +- break; +- case YAFFS_OBJECT_TYPE_HARDLINK: +- yaffs_VerifyHardLink(obj); +- break; +- case YAFFS_OBJECT_TYPE_SPECIAL: +- yaffs_VerifySpecial(obj); +- break; +- case YAFFS_OBJECT_TYPE_UNKNOWN: +- default: +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Obj %d has illegaltype %d"TENDSTR), +- obj->objectId, obj->variantType)); +- break; ++ if (dev->tnode_width > (32 - bitInWord)) { ++ bitInWord = (32 - bitInWord); ++ wordInMap++;; ++ mask = dev->tnode_mask >> (/*dev->tnode_width -*/ bitInWord); ++ map[wordInMap] &= ~mask; ++ map[wordInMap] |= (mask & (val >> bitInWord)); + } + } + +-static void yaffs_VerifyObjects(yaffs_Device *dev) ++__u32 yaffs_get_group_base(yaffs_dev_t *dev, yaffs_tnode_t *tn, ++ unsigned pos) + { +- yaffs_Object *obj; +- int i; +- struct ylist_head *lh; ++ __u32 *map = (__u32 *)tn; ++ __u32 bitInMap; ++ __u32 bitInWord; ++ __u32 wordInMap; ++ __u32 val; + +- if (yaffs_SkipVerification(dev)) +- return; ++ pos &= YAFFS_TNODES_LEVEL0_MASK; + +- /* Iterate through the objects in each hash entry */ ++ bitInMap = pos * dev->tnode_width; ++ wordInMap = bitInMap / 32; ++ bitInWord = bitInMap & (32 - 1); + +- for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) { +- ylist_for_each(lh, &dev->objectBucket[i].list) { +- if (lh) { +- obj = ylist_entry(lh, yaffs_Object, hashLink); +- yaffs_VerifyObject(obj); +- } +- } +- } +-} ++ val = map[wordInMap] >> bitInWord; + ++ if (dev->tnode_width > (32 - bitInWord)) { ++ bitInWord = (32 - bitInWord); ++ wordInMap++;; ++ val |= (map[wordInMap] << bitInWord); ++ } + +-/* +- * Simple hash function. Needs to have a reasonable spread +- */ ++ val &= dev->tnode_mask; ++ val <<= dev->chunk_grp_bits; + +-static Y_INLINE int yaffs_HashFunction(int n) +-{ +- n = abs(n); +- return n % YAFFS_NOBJECT_BUCKETS; ++ return val; + } + +-/* +- * Access functions to useful fake objects. +- * Note that root might have a presence in NAND if permissions are set. ++/* ------------------- End of individual tnode manipulation -----------------*/ ++ ++/* ---------Functions to manipulate the look-up tree (made up of tnodes) ------ ++ * The look up tree is represented by the top tnode and the number of top_level ++ * in the tree. 0 means only the level 0 tnode is in the tree. + */ + +-yaffs_Object *yaffs_Root(yaffs_Device *dev) ++/* FindLevel0Tnode finds the level 0 tnode, if one exists. */ ++yaffs_tnode_t *yaffs_find_tnode_0(yaffs_dev_t *dev, ++ yaffs_file_s *file_struct, ++ __u32 chunk_id) + { +- return dev->rootDir; +-} ++ yaffs_tnode_t *tn = file_struct->top; ++ __u32 i; ++ int requiredTallness; ++ int level = file_struct->top_level; + +-yaffs_Object *yaffs_LostNFound(yaffs_Device *dev) +-{ +- return dev->lostNFoundDir; +-} ++ dev=dev; + ++ /* Check sane level and chunk Id */ ++ if (level < 0 || level > YAFFS_TNODES_MAX_LEVEL) ++ return NULL; + +-/* +- * Erased NAND checking functions +- */ ++ if (chunk_id > YAFFS_MAX_CHUNK_ID) ++ return NULL; + +-int yaffs_CheckFF(__u8 *buffer, int nBytes) +-{ +- /* Horrible, slow implementation */ +- while (nBytes--) { +- if (*buffer != 0xFF) +- return 0; +- buffer++; ++ /* First check we're tall enough (ie enough top_level) */ ++ ++ i = chunk_id >> YAFFS_TNODES_LEVEL0_BITS; ++ requiredTallness = 0; ++ while (i) { ++ i >>= YAFFS_TNODES_INTERNAL_BITS; ++ requiredTallness++; + } +- return 1; +-} + +-static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev, +- int chunkInNAND) +-{ +- int retval = YAFFS_OK; +- __u8 *data = yaffs_GetTempBuffer(dev, __LINE__); +- yaffs_ExtendedTags tags; +- int result; ++ if (requiredTallness > file_struct->top_level) ++ return NULL; /* Not tall enough, so we can't find it */ ++ ++ /* Traverse down to level 0 */ ++ while (level > 0 && tn) { ++ tn = tn->internal[(chunk_id >> ++ (YAFFS_TNODES_LEVEL0_BITS + ++ (level - 1) * ++ YAFFS_TNODES_INTERNAL_BITS)) & ++ YAFFS_TNODES_INTERNAL_MASK]; ++ level--; ++ } + +- result = yaffs_ReadChunkWithTagsFromNAND(dev, chunkInNAND, data, &tags); ++ return tn; ++} + +- if (tags.eccResult > YAFFS_ECC_RESULT_NO_ERROR) +- retval = YAFFS_FAIL; ++/* AddOrFindLevel0Tnode finds the level 0 tnode if it exists, otherwise first expands the tree. ++ * This happens in two steps: ++ * 1. If the tree isn't tall enough, then make it taller. ++ * 2. Scan down the tree towards the level 0 tnode adding tnodes if required. ++ * ++ * Used when modifying the tree. ++ * ++ * If the tn argument is NULL, then a fresh tnode will be added otherwise the specified tn will ++ * be plugged into the ttree. ++ */ + +- if (!yaffs_CheckFF(data, dev->nDataBytesPerChunk) || tags.chunkUsed) { +- T(YAFFS_TRACE_NANDACCESS, +- (TSTR("Chunk %d not erased" TENDSTR), chunkInNAND)); +- retval = YAFFS_FAIL; +- } ++yaffs_tnode_t *yaffs_add_find_tnode_0(yaffs_dev_t *dev, ++ yaffs_file_s *file_struct, ++ __u32 chunk_id, ++ yaffs_tnode_t *passed_tn) ++{ ++ int requiredTallness; ++ int i; ++ int l; ++ yaffs_tnode_t *tn; + +- yaffs_ReleaseTempBuffer(dev, data, __LINE__); ++ __u32 x; + +- return retval; + +-} ++ /* Check sane level and page Id */ ++ if (file_struct->top_level < 0 || file_struct->top_level > YAFFS_TNODES_MAX_LEVEL) ++ return NULL; + +-static int yaffs_WriteNewChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev, +- const __u8 *data, +- yaffs_ExtendedTags *tags, +- int useReserve) +-{ +- int attempts = 0; +- int writeOk = 0; +- int chunk; ++ if (chunk_id > YAFFS_MAX_CHUNK_ID) ++ return NULL; + +- yaffs_InvalidateCheckpoint(dev); ++ /* First check we're tall enough (ie enough top_level) */ + +- do { +- yaffs_BlockInfo *bi = 0; +- int erasedOk = 0; ++ x = chunk_id >> YAFFS_TNODES_LEVEL0_BITS; ++ requiredTallness = 0; ++ while (x) { ++ x >>= YAFFS_TNODES_INTERNAL_BITS; ++ requiredTallness++; ++ } + +- chunk = yaffs_AllocateChunk(dev, useReserve, &bi); +- if (chunk < 0) { +- /* no space */ +- break; +- } + +- /* First check this chunk is erased, if it needs +- * checking. The checking policy (unless forced +- * always on) is as follows: +- * +- * Check the first page we try to write in a block. +- * If the check passes then we don't need to check any +- * more. If the check fails, we check again... +- * If the block has been erased, we don't need to check. +- * +- * However, if the block has been prioritised for gc, +- * then we think there might be something odd about +- * this block and stop using it. +- * +- * Rationale: We should only ever see chunks that have +- * not been erased if there was a partially written +- * chunk due to power loss. This checking policy should +- * catch that case with very few checks and thus save a +- * lot of checks that are most likely not needed. +- */ +- if (bi->gcPrioritise) { +- yaffs_DeleteChunk(dev, chunk, 1, __LINE__); +- /* try another chunk */ +- continue; +- } ++ if (requiredTallness > file_struct->top_level) { ++ /* Not tall enough, gotta make the tree taller */ ++ for (i = file_struct->top_level; i < requiredTallness; i++) { + +- /* let's give it a try */ +- attempts++; ++ tn = yaffs_get_tnode(dev); + +-#ifdef CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED +- bi->skipErasedCheck = 0; +-#endif +- if (!bi->skipErasedCheck) { +- erasedOk = yaffs_CheckChunkErased(dev, chunk); +- if (erasedOk != YAFFS_OK) { ++ if (tn) { ++ tn->internal[0] = file_struct->top; ++ file_struct->top = tn; ++ file_struct->top_level++; ++ } else { + T(YAFFS_TRACE_ERROR, +- (TSTR("**>> yaffs chunk %d was not erased" +- TENDSTR), chunk)); +- +- /* try another chunk */ +- continue; ++ (TSTR("yaffs: no more tnodes" TENDSTR))); ++ return NULL; + } +- bi->skipErasedCheck = 1; + } ++ } + +- writeOk = yaffs_WriteChunkWithTagsToNAND(dev, chunk, +- data, tags); +- if (writeOk != YAFFS_OK) { +- yaffs_HandleWriteChunkError(dev, chunk, erasedOk); +- /* try another chunk */ +- continue; +- } ++ /* Traverse down to level 0, adding anything we need */ + +- /* Copy the data into the robustification buffer */ +- yaffs_HandleWriteChunkOk(dev, chunk, data, tags); ++ l = file_struct->top_level; ++ tn = file_struct->top; + +- } while (writeOk != YAFFS_OK && +- (yaffs_wr_attempts <= 0 || attempts <= yaffs_wr_attempts)); ++ if (l > 0) { ++ while (l > 0 && tn) { ++ x = (chunk_id >> ++ (YAFFS_TNODES_LEVEL0_BITS + ++ (l - 1) * YAFFS_TNODES_INTERNAL_BITS)) & ++ YAFFS_TNODES_INTERNAL_MASK; + +- if (!writeOk) +- chunk = -1; + +- if (attempts > 1) { +- T(YAFFS_TRACE_ERROR, +- (TSTR("**>> yaffs write required %d attempts" TENDSTR), +- attempts)); ++ if ((l > 1) && !tn->internal[x]) { ++ /* Add missing non-level-zero tnode */ ++ tn->internal[x] = yaffs_get_tnode(dev); ++ if(!tn->internal[x]) ++ return NULL; ++ } else if (l == 1) { ++ /* Looking from level 1 at level 0 */ ++ if (passed_tn) { ++ /* If we already have one, then release it.*/ ++ if (tn->internal[x]) ++ yaffs_free_tnode(dev, tn->internal[x]); ++ tn->internal[x] = passed_tn; ++ ++ } else if (!tn->internal[x]) { ++ /* Don't have one, none passed in */ ++ tn->internal[x] = yaffs_get_tnode(dev); ++ if(!tn->internal[x]) ++ return NULL; ++ } ++ } + +- dev->nRetriedWrites += (attempts - 1); ++ tn = tn->internal[x]; ++ l--; ++ } ++ } else { ++ /* top is level 0 */ ++ if (passed_tn) { ++ memcpy(tn, passed_tn, (dev->tnode_width * YAFFS_NTNODES_LEVEL0)/8); ++ yaffs_free_tnode(dev, passed_tn); ++ } + } + +- return chunk; ++ return tn; + } + +-/* +- * Block retiring for handling a broken block. +- */ +- +-static void yaffs_RetireBlock(yaffs_Device *dev, int blockInNAND) ++static int yaffs_find_chunk_in_group(yaffs_dev_t *dev, int theChunk, ++ yaffs_ext_tags *tags, int obj_id, ++ int inode_chunk) + { +- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND); ++ int j; + +- yaffs_InvalidateCheckpoint(dev); ++ for (j = 0; theChunk && j < dev->chunk_grp_size; j++) { ++ if (yaffs_check_chunk_bit(dev, theChunk / dev->param.chunks_per_block, ++ theChunk % dev->param.chunks_per_block)) { ++ ++ if(dev->chunk_grp_size == 1) ++ return theChunk; ++ else { ++ yaffs_rd_chunk_tags_nand(dev, theChunk, NULL, ++ tags); ++ if (yaffs_tags_match(tags, obj_id, inode_chunk)) { ++ /* found it; */ ++ return theChunk; ++ } ++ } ++ } ++ theChunk++; ++ } ++ return -1; ++} + +- if (yaffs_MarkBlockBad(dev, blockInNAND) != YAFFS_OK) { +- if (yaffs_EraseBlockInNAND(dev, blockInNAND) != YAFFS_OK) { +- T(YAFFS_TRACE_ALWAYS, (TSTR( +- "yaffs: Failed to mark bad and erase block %d" +- TENDSTR), blockInNAND)); +- } else { +- yaffs_ExtendedTags tags; +- int chunkId = blockInNAND * dev->nChunksPerBlock; ++#if 0 ++/* Experimental code not being used yet. Might speed up file deletion */ ++/* DeleteWorker scans backwards through the tnode tree and deletes all the ++ * chunks and tnodes in the file. ++ * Returns 1 if the tree was deleted. ++ * Returns 0 if it stopped early due to hitting the limit and the delete is incomplete. ++ */ + +- __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__); ++static int yaffs_del_worker(yaffs_obj_t *in, yaffs_tnode_t *tn, __u32 level, ++ int chunk_offset, int *limit) ++{ ++ int i; ++ int inode_chunk; ++ int theChunk; ++ yaffs_ext_tags tags; ++ int foundChunk; ++ yaffs_dev_t *dev = in->my_dev; + +- memset(buffer, 0xff, dev->nDataBytesPerChunk); +- yaffs_InitialiseTags(&tags); +- tags.sequenceNumber = YAFFS_SEQUENCE_BAD_BLOCK; +- if (dev->writeChunkWithTagsToNAND(dev, chunkId - +- dev->chunkOffset, buffer, &tags) != YAFFS_OK) +- T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Failed to " +- TCONT("write bad block marker to block %d") +- TENDSTR), blockInNAND)); ++ int allDone = 1; + +- yaffs_ReleaseTempBuffer(dev, buffer, __LINE__); +- } +- } ++ if (tn) { ++ if (level > 0) { ++ for (i = YAFFS_NTNODES_INTERNAL - 1; allDone && i >= 0; ++ i--) { ++ if (tn->internal[i]) { ++ if (limit && (*limit) < 0) { ++ allDone = 0; ++ } else { ++ allDone = ++ yaffs_del_worker(in, ++ tn-> ++ internal ++ [i], ++ level - ++ 1, ++ (chunk_offset ++ << ++ YAFFS_TNODES_INTERNAL_BITS) ++ + i, ++ limit); ++ } ++ if (allDone) { ++ yaffs_free_tnode(dev, ++ tn-> ++ internal[i]); ++ tn->internal[i] = NULL; ++ } ++ } ++ } ++ return (allDone) ? 1 : 0; ++ } else if (level == 0) { ++ int hitLimit = 0; + +- bi->blockState = YAFFS_BLOCK_STATE_DEAD; +- bi->gcPrioritise = 0; +- bi->needsRetiring = 0; ++ for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0 && !hitLimit; ++ i--) { ++ theChunk = yaffs_get_group_base(dev, tn, i); ++ if (theChunk) { + +- dev->nRetiredBlocks++; +-} ++ inode_chunk = (chunk_offset << ++ YAFFS_TNODES_LEVEL0_BITS) + i; + +-/* +- * Functions for robustisizing TODO +- * +- */ ++ foundChunk = ++ yaffs_find_chunk_in_group(dev, ++ theChunk, ++ &tags, ++ in->obj_id, ++ inode_chunk); + +-static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND, +- const __u8 *data, +- const yaffs_ExtendedTags *tags) +-{ +-} ++ if (foundChunk > 0) { ++ yaffs_chunk_del(dev, ++ foundChunk, 1, ++ __LINE__); ++ in->n_data_chunks--; ++ if (limit) { ++ *limit = *limit - 1; ++ if (*limit <= 0) ++ hitLimit = 1; ++ } + +-static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND, +- const yaffs_ExtendedTags *tags) +-{ +-} ++ } + +-void yaffs_HandleChunkError(yaffs_Device *dev, yaffs_BlockInfo *bi) +-{ +- if (!bi->gcPrioritise) { +- bi->gcPrioritise = 1; +- dev->hasPendingPrioritisedGCs = 1; +- bi->chunkErrorStrikes++; ++ yaffs_load_tnode_0(dev, tn, i, 0); ++ } + +- if (bi->chunkErrorStrikes > 3) { +- bi->needsRetiring = 1; /* Too many stikes, so retire this */ +- T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Block struck out" TENDSTR))); ++ } ++ return (i < 0) ? 1 : 0; + + } ++ + } ++ ++ return 1; ++ + } + +-static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND, +- int erasedOk) ++#endif ++ ++static void yaffs_soft_del_chunk(yaffs_dev_t *dev, int chunk) + { +- int blockInNAND = chunkInNAND / dev->nChunksPerBlock; +- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND); ++ yaffs_block_info_t *theBlock; ++ unsigned block_no; + +- yaffs_HandleChunkError(dev, bi); ++ T(YAFFS_TRACE_DELETION, (TSTR("soft delete chunk %d" TENDSTR), chunk)); + +- if (erasedOk) { +- /* Was an actual write failure, so mark the block for retirement */ +- bi->needsRetiring = 1; +- T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, +- (TSTR("**>> Block %d needs retiring" TENDSTR), blockInNAND)); ++ block_no = chunk / dev->param.chunks_per_block; ++ theBlock = yaffs_get_block_info(dev, block_no); ++ if (theBlock) { ++ theBlock->soft_del_pages++; ++ dev->n_free_chunks++; ++ yaffs2_update_oldest_dirty_seq(dev, block_no, theBlock); + } +- +- /* Delete the chunk */ +- yaffs_DeleteChunk(dev, chunkInNAND, 1, __LINE__); + } + ++/* SoftDeleteWorker scans backwards through the tnode tree and soft deletes all the chunks in the file. ++ * All soft deleting does is increment the block's softdelete count and pulls the chunk out ++ * of the tnode. ++ * Thus, essentially this is the same as DeleteWorker except that the chunks are soft deleted. ++ */ + +-/*---------------- Name handling functions ------------*/ +- +-static __u16 yaffs_CalcNameSum(const YCHAR *name) ++static int yaffs_soft_del_worker(yaffs_obj_t *in, yaffs_tnode_t *tn, ++ __u32 level, int chunk_offset) + { +- __u16 sum = 0; +- __u16 i = 1; ++ int i; ++ int theChunk; ++ int allDone = 1; ++ yaffs_dev_t *dev = in->my_dev; + +- const YUCHAR *bname = (const YUCHAR *) name; +- if (bname) { +- while ((*bname) && (i < (YAFFS_MAX_NAME_LENGTH/2))) { ++ if (tn) { ++ if (level > 0) { ++ ++ for (i = YAFFS_NTNODES_INTERNAL - 1; allDone && i >= 0; ++ i--) { ++ if (tn->internal[i]) { ++ allDone = ++ yaffs_soft_del_worker(in, ++ tn-> ++ internal[i], ++ level - 1, ++ (chunk_offset ++ << ++ YAFFS_TNODES_INTERNAL_BITS) ++ + i); ++ if (allDone) { ++ yaffs_free_tnode(dev, ++ tn-> ++ internal[i]); ++ tn->internal[i] = NULL; ++ } else { ++ /* Hoosterman... how could this happen? */ ++ } ++ } ++ } ++ return (allDone) ? 1 : 0; ++ } else if (level == 0) { ++ ++ for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0; i--) { ++ theChunk = yaffs_get_group_base(dev, tn, i); ++ if (theChunk) { ++ /* Note this does not find the real chunk, only the chunk group. ++ * We make an assumption that a chunk group is not larger than ++ * a block. ++ */ ++ yaffs_soft_del_chunk(dev, theChunk); ++ yaffs_load_tnode_0(dev, tn, i, 0); ++ } ++ ++ } ++ return 1; + +-#ifdef CONFIG_YAFFS_CASE_INSENSITIVE +- sum += yaffs_toupper(*bname) * i; +-#else +- sum += (*bname) * i; +-#endif +- i++; +- bname++; + } ++ + } +- return sum; ++ ++ return 1; ++ + } + +-static void yaffs_SetObjectName(yaffs_Object *obj, const YCHAR *name) ++static void yaffs_soft_del_file(yaffs_obj_t *obj) + { +-#ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM +- memset(obj->shortName, 0, sizeof(YCHAR) * (YAFFS_SHORT_NAME_LENGTH+1)); +- if (name && yaffs_strlen(name) <= YAFFS_SHORT_NAME_LENGTH) +- yaffs_strcpy(obj->shortName, name); +- else +- obj->shortName[0] = _Y('\0'); +-#endif +- obj->sum = yaffs_CalcNameSum(name); ++ if (obj->deleted && ++ obj->variant_type == YAFFS_OBJECT_TYPE_FILE && !obj->soft_del) { ++ if (obj->n_data_chunks <= 0) { ++ /* Empty file with no duplicate object headers, just delete it immediately */ ++ yaffs_free_tnode(obj->my_dev, ++ obj->variant.file_variant.top); ++ obj->variant.file_variant.top = NULL; ++ T(YAFFS_TRACE_TRACING, ++ (TSTR("yaffs: Deleting empty file %d" TENDSTR), ++ obj->obj_id)); ++ yaffs_generic_obj_del(obj); ++ } else { ++ yaffs_soft_del_worker(obj, ++ obj->variant.file_variant.top, ++ obj->variant.file_variant. ++ top_level, 0); ++ obj->soft_del = 1; ++ } ++ } + } + +-/*-------------------- TNODES ------------------- +- +- * List of spare tnodes +- * The list is hooked together using the first pointer +- * in the tnode. +- */ +- +-/* yaffs_CreateTnodes creates a bunch more tnodes and +- * adds them to the tnode free list. +- * Don't use this function directly ++/* Pruning removes any part of the file structure tree that is beyond the ++ * bounds of the file (ie that does not point to chunks). ++ * ++ * A file should only get pruned when its size is reduced. ++ * ++ * Before pruning, the chunks must be pulled from the tree and the ++ * level 0 tnode entries must be zeroed out. ++ * Could also use this for file deletion, but that's probably better handled ++ * by a special case. ++ * ++ * This function is recursive. For levels > 0 the function is called again on ++ * any sub-tree. For level == 0 we just check if the sub-tree has data. ++ * If there is no data in a subtree then it is pruned. + */ + +-static int yaffs_CreateTnodes(yaffs_Device *dev, int nTnodes) ++static yaffs_tnode_t *yaffs_prune_worker(yaffs_dev_t *dev, yaffs_tnode_t *tn, ++ __u32 level, int del0) + { + int i; +- int tnodeSize; +- yaffs_Tnode *newTnodes; +- __u8 *mem; +- yaffs_Tnode *curr; +- yaffs_Tnode *next; +- yaffs_TnodeList *tnl; ++ int hasData; + +- if (nTnodes < 1) +- return YAFFS_OK; ++ if (tn) { ++ hasData = 0; + +- /* Calculate the tnode size in bytes for variable width tnode support. +- * Must be a multiple of 32-bits */ +- tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8; ++ if(level > 0){ ++ for (i = 0; i < YAFFS_NTNODES_INTERNAL; i++) { ++ if (tn->internal[i]) { ++ tn->internal[i] = ++ yaffs_prune_worker(dev, tn->internal[i], ++ level - 1, ++ (i == 0) ? del0 : 1); ++ } + +- if (tnodeSize < sizeof(yaffs_Tnode)) +- tnodeSize = sizeof(yaffs_Tnode); ++ if (tn->internal[i]) ++ hasData++; ++ } ++ } else { ++ int tnode_size_u32 = dev->tnode_size/sizeof(__u32); ++ __u32 *map = (__u32 *)tn; + +- /* make these things */ ++ for(i = 0; !hasData && i < tnode_size_u32; i++){ ++ if(map[i]) ++ hasData++; ++ } ++ } + +- newTnodes = YMALLOC(nTnodes * tnodeSize); +- mem = (__u8 *)newTnodes; ++ if (hasData == 0 && del0) { ++ /* Free and return NULL */ + +- if (!newTnodes) { +- T(YAFFS_TRACE_ERROR, +- (TSTR("yaffs: Could not allocate Tnodes" TENDSTR))); +- return YAFFS_FAIL; +- } ++ yaffs_free_tnode(dev, tn); ++ tn = NULL; ++ } + +- /* Hook them into the free list */ +-#if 0 +- for (i = 0; i < nTnodes - 1; i++) { +- newTnodes[i].internal[0] = &newTnodes[i + 1]; +-#ifdef CONFIG_YAFFS_TNODE_LIST_DEBUG +- newTnodes[i].internal[YAFFS_NTNODES_INTERNAL] = (void *)1; +-#endif + } + +- newTnodes[nTnodes - 1].internal[0] = dev->freeTnodes; +-#ifdef CONFIG_YAFFS_TNODE_LIST_DEBUG +- newTnodes[nTnodes - 1].internal[YAFFS_NTNODES_INTERNAL] = (void *)1; +-#endif +- dev->freeTnodes = newTnodes; +-#else +- /* New hookup for wide tnodes */ +- for (i = 0; i < nTnodes - 1; i++) { +- curr = (yaffs_Tnode *) &mem[i * tnodeSize]; +- next = (yaffs_Tnode *) &mem[(i+1) * tnodeSize]; +- curr->internal[0] = next; +- } ++ return tn; + +- curr = (yaffs_Tnode *) &mem[(nTnodes - 1) * tnodeSize]; +- curr->internal[0] = dev->freeTnodes; +- dev->freeTnodes = (yaffs_Tnode *)mem; ++} + +-#endif ++static int yaffs_prune_tree(yaffs_dev_t *dev, ++ yaffs_file_s *file_struct) ++{ ++ int i; ++ int hasData; ++ int done = 0; ++ yaffs_tnode_t *tn; + ++ if (file_struct->top_level > 0) { ++ file_struct->top = ++ yaffs_prune_worker(dev, file_struct->top, file_struct->top_level, 0); ++ ++ /* Now we have a tree with all the non-zero branches NULL but the height ++ * is the same as it was. ++ * Let's see if we can trim internal tnodes to shorten the tree. ++ * We can do this if only the 0th element in the tnode is in use ++ * (ie all the non-zero are NULL) ++ */ + +- dev->nFreeTnodes += nTnodes; +- dev->nTnodesCreated += nTnodes; ++ while (file_struct->top_level && !done) { ++ tn = file_struct->top; + +- /* Now add this bunch of tnodes to a list for freeing up. +- * NB If we can't add this to the management list it isn't fatal +- * but it just means we can't free this bunch of tnodes later. +- */ ++ hasData = 0; ++ for (i = 1; i < YAFFS_NTNODES_INTERNAL; i++) { ++ if (tn->internal[i]) ++ hasData++; ++ } + +- tnl = YMALLOC(sizeof(yaffs_TnodeList)); +- if (!tnl) { +- T(YAFFS_TRACE_ERROR, +- (TSTR +- ("yaffs: Could not add tnodes to management list" TENDSTR))); +- return YAFFS_FAIL; +- } else { +- tnl->tnodes = newTnodes; +- tnl->next = dev->allocatedTnodeList; +- dev->allocatedTnodeList = tnl; ++ if (!hasData) { ++ file_struct->top = tn->internal[0]; ++ file_struct->top_level--; ++ yaffs_free_tnode(dev, tn); ++ } else { ++ done = 1; ++ } ++ } + } + +- T(YAFFS_TRACE_ALLOCATE, (TSTR("yaffs: Tnodes added" TENDSTR))); +- + return YAFFS_OK; + } + +-/* GetTnode gets us a clean tnode. Tries to make allocate more if we run out */ ++/*-------------------- End of File Structure functions.-------------------*/ ++ + +-static yaffs_Tnode *yaffs_GetTnodeRaw(yaffs_Device *dev) ++/* AllocateEmptyObject gets us a clean Object. Tries to make allocate more if we run out */ ++static yaffs_obj_t *yaffs_alloc_empty_obj(yaffs_dev_t *dev) + { +- yaffs_Tnode *tn = NULL; ++ yaffs_obj_t *obj = yaffs_alloc_raw_obj(dev); + +- /* If there are none left make more */ +- if (!dev->freeTnodes) +- yaffs_CreateTnodes(dev, YAFFS_ALLOCATION_NTNODES); +- +- if (dev->freeTnodes) { +- tn = dev->freeTnodes; +-#ifdef CONFIG_YAFFS_TNODE_LIST_DEBUG +- if (tn->internal[YAFFS_NTNODES_INTERNAL] != (void *)1) { +- /* Hoosterman, this thing looks like it isn't in the list */ +- T(YAFFS_TRACE_ALWAYS, +- (TSTR("yaffs: Tnode list bug 1" TENDSTR))); +- } +-#endif +- dev->freeTnodes = dev->freeTnodes->internal[0]; +- dev->nFreeTnodes--; +- } ++ if (obj) { ++ dev->n_obj++; + +- dev->nCheckpointBlocksRequired = 0; /* force recalculation*/ ++ /* Now sweeten it up... */ + +- return tn; +-} ++ memset(obj, 0, sizeof(yaffs_obj_t)); ++ obj->being_created = 1; + +-static yaffs_Tnode *yaffs_GetTnode(yaffs_Device *dev) +-{ +- yaffs_Tnode *tn = yaffs_GetTnodeRaw(dev); +- int tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8; ++ obj->my_dev = dev; ++ obj->hdr_chunk = 0; ++ obj->variant_type = YAFFS_OBJECT_TYPE_UNKNOWN; ++ YINIT_LIST_HEAD(&(obj->hard_links)); ++ YINIT_LIST_HEAD(&(obj->hash_link)); ++ YINIT_LIST_HEAD(&obj->siblings); + +- if (tnodeSize < sizeof(yaffs_Tnode)) +- tnodeSize = sizeof(yaffs_Tnode); + +- if (tn) +- memset(tn, 0, tnodeSize); ++ /* Now make the directory sane */ ++ if (dev->root_dir) { ++ obj->parent = dev->root_dir; ++ ylist_add(&(obj->siblings), &dev->root_dir->variant.dir_variant.children); ++ } + +- return tn; ++ /* Add it to the lost and found directory. ++ * NB Can't put root or lostNFound in lostNFound so ++ * check if lostNFound exists first ++ */ ++ if (dev->lost_n_found) ++ yaffs_add_obj_to_dir(dev->lost_n_found, obj); ++ ++ obj->being_created = 0; ++ } ++ ++ dev->checkpoint_blocks_required = 0; /* force recalculation*/ ++ ++ return obj; + } + +-/* FreeTnode frees up a tnode and puts it back on the free list */ +-static void yaffs_FreeTnode(yaffs_Device *dev, yaffs_Tnode *tn) ++static yaffs_obj_t *yaffs_create_fake_dir(yaffs_dev_t *dev, int number, ++ __u32 mode) + { +- if (tn) { +-#ifdef CONFIG_YAFFS_TNODE_LIST_DEBUG +- if (tn->internal[YAFFS_NTNODES_INTERNAL] != 0) { +- /* Hoosterman, this thing looks like it is already in the list */ +- T(YAFFS_TRACE_ALWAYS, +- (TSTR("yaffs: Tnode list bug 2" TENDSTR))); +- } +- tn->internal[YAFFS_NTNODES_INTERNAL] = (void *)1; +-#endif +- tn->internal[0] = dev->freeTnodes; +- dev->freeTnodes = tn; +- dev->nFreeTnodes++; ++ ++ yaffs_obj_t *obj = ++ yaffs_new_obj(dev, number, YAFFS_OBJECT_TYPE_DIRECTORY); ++ if (obj) { ++ obj->fake = 1; /* it is fake so it might have no NAND presence... */ ++ obj->rename_allowed = 0; /* ... and we're not allowed to rename it... */ ++ obj->unlink_allowed = 0; /* ... or unlink it */ ++ obj->deleted = 0; ++ obj->unlinked = 0; ++ obj->yst_mode = mode; ++ obj->my_dev = dev; ++ obj->hdr_chunk = 0; /* Not a valid chunk. */ ++ } ++ ++ return obj; ++ ++} ++ ++static void yaffs_unhash_obj(yaffs_obj_t *obj) ++{ ++ int bucket; ++ yaffs_dev_t *dev = obj->my_dev; ++ ++ /* If it is still linked into the bucket list, free from the list */ ++ if (!ylist_empty(&obj->hash_link)) { ++ ylist_del_init(&obj->hash_link); ++ bucket = yaffs_hash_fn(obj->obj_id); ++ dev->obj_bucket[bucket].count--; + } +- dev->nCheckpointBlocksRequired = 0; /* force recalculation*/ + } + +-static void yaffs_DeinitialiseTnodes(yaffs_Device *dev) ++/* FreeObject frees up a Object and puts it back on the free list */ ++static void yaffs_free_obj(yaffs_obj_t *obj) + { +- /* Free the list of allocated tnodes */ +- yaffs_TnodeList *tmp; ++ yaffs_dev_t *dev = obj->my_dev; ++ ++ T(YAFFS_TRACE_OS, (TSTR("FreeObject %p inode %p"TENDSTR), obj, obj->my_inode)); + +- while (dev->allocatedTnodeList) { +- tmp = dev->allocatedTnodeList->next; ++ if (!obj) ++ YBUG(); ++ if (obj->parent) ++ YBUG(); ++ if (!ylist_empty(&obj->siblings)) ++ YBUG(); + +- YFREE(dev->allocatedTnodeList->tnodes); +- YFREE(dev->allocatedTnodeList); +- dev->allocatedTnodeList = tmp; + ++ if (obj->my_inode) { ++ /* We're still hooked up to a cached inode. ++ * Don't delete now, but mark for later deletion ++ */ ++ obj->defered_free = 1; ++ return; + } + +- dev->freeTnodes = NULL; +- dev->nFreeTnodes = 0; +-} ++ yaffs_unhash_obj(obj); + +-static void yaffs_InitialiseTnodes(yaffs_Device *dev) +-{ +- dev->allocatedTnodeList = NULL; +- dev->freeTnodes = NULL; +- dev->nFreeTnodes = 0; +- dev->nTnodesCreated = 0; ++ yaffs_free_raw_obj(dev,obj); ++ dev->n_obj--; ++ dev->checkpoint_blocks_required = 0; /* force recalculation*/ + } + + +-void yaffs_PutLevel0Tnode(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos, +- unsigned val) ++void yaffs_handle_defered_free(yaffs_obj_t *obj) + { +- __u32 *map = (__u32 *)tn; +- __u32 bitInMap; +- __u32 bitInWord; +- __u32 wordInMap; +- __u32 mask; +- +- pos &= YAFFS_TNODES_LEVEL0_MASK; +- val >>= dev->chunkGroupBits; ++ if (obj->defered_free) ++ yaffs_free_obj(obj); ++} + +- bitInMap = pos * dev->tnodeWidth; +- wordInMap = bitInMap / 32; +- bitInWord = bitInMap & (32 - 1); ++static void yaffs_init_tnodes_and_objs(yaffs_dev_t *dev) ++{ ++ int i; + +- mask = dev->tnodeMask << bitInWord; ++ dev->n_obj = 0; ++ dev->n_tnodes = 0; + +- map[wordInMap] &= ~mask; +- map[wordInMap] |= (mask & (val << bitInWord)); ++ yaffs_init_raw_tnodes_and_objs(dev); + +- if (dev->tnodeWidth > (32 - bitInWord)) { +- bitInWord = (32 - bitInWord); +- wordInMap++;; +- mask = dev->tnodeMask >> (/*dev->tnodeWidth -*/ bitInWord); +- map[wordInMap] &= ~mask; +- map[wordInMap] |= (mask & (val >> bitInWord)); ++ for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) { ++ YINIT_LIST_HEAD(&dev->obj_bucket[i].list); ++ dev->obj_bucket[i].count = 0; + } + } + +-static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn, +- unsigned pos) ++static int yaffs_find_nice_bucket(yaffs_dev_t *dev) + { +- __u32 *map = (__u32 *)tn; +- __u32 bitInMap; +- __u32 bitInWord; +- __u32 wordInMap; +- __u32 val; ++ int i; ++ int l = 999; ++ int lowest = 999999; + +- pos &= YAFFS_TNODES_LEVEL0_MASK; + +- bitInMap = pos * dev->tnodeWidth; +- wordInMap = bitInMap / 32; +- bitInWord = bitInMap & (32 - 1); ++ /* Search for the shortest list or one that ++ * isn't too long. ++ */ + +- val = map[wordInMap] >> bitInWord; ++ for (i = 0; i < 10 && lowest > 4; i++) { ++ dev->bucket_finder++; ++ dev->bucket_finder %= YAFFS_NOBJECT_BUCKETS; ++ if (dev->obj_bucket[dev->bucket_finder].count < lowest) { ++ lowest = dev->obj_bucket[dev->bucket_finder].count; ++ l = dev->bucket_finder; ++ } + +- if (dev->tnodeWidth > (32 - bitInWord)) { +- bitInWord = (32 - bitInWord); +- wordInMap++;; +- val |= (map[wordInMap] << bitInWord); + } + +- val &= dev->tnodeMask; +- val <<= dev->chunkGroupBits; +- +- return val; ++ return l; + } + +-/* ------------------- End of individual tnode manipulation -----------------*/ +- +-/* ---------Functions to manipulate the look-up tree (made up of tnodes) ------ +- * The look up tree is represented by the top tnode and the number of topLevel +- * in the tree. 0 means only the level 0 tnode is in the tree. +- */ +- +-/* FindLevel0Tnode finds the level 0 tnode, if one exists. */ +-static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device *dev, +- yaffs_FileStructure *fStruct, +- __u32 chunkId) ++static int yaffs_new_obj_id(yaffs_dev_t *dev) + { +- yaffs_Tnode *tn = fStruct->top; +- __u32 i; +- int requiredTallness; +- int level = fStruct->topLevel; +- +- /* Check sane level and chunk Id */ +- if (level < 0 || level > YAFFS_TNODES_MAX_LEVEL) +- return NULL; ++ int bucket = yaffs_find_nice_bucket(dev); + +- if (chunkId > YAFFS_MAX_CHUNK_ID) +- return NULL; ++ /* Now find an object value that has not already been taken ++ * by scanning the list. ++ */ + +- /* First check we're tall enough (ie enough topLevel) */ ++ int found = 0; ++ struct ylist_head *i; + +- i = chunkId >> YAFFS_TNODES_LEVEL0_BITS; +- requiredTallness = 0; +- while (i) { +- i >>= YAFFS_TNODES_INTERNAL_BITS; +- requiredTallness++; +- } ++ __u32 n = (__u32) bucket; + +- if (requiredTallness > fStruct->topLevel) +- return NULL; /* Not tall enough, so we can't find it */ ++ /* yaffs_check_obj_hash_sane(); */ + +- /* Traverse down to level 0 */ +- while (level > 0 && tn) { +- tn = tn->internal[(chunkId >> +- (YAFFS_TNODES_LEVEL0_BITS + +- (level - 1) * +- YAFFS_TNODES_INTERNAL_BITS)) & +- YAFFS_TNODES_INTERNAL_MASK]; +- level--; ++ while (!found) { ++ found = 1; ++ n += YAFFS_NOBJECT_BUCKETS; ++ if (1 || dev->obj_bucket[bucket].count > 0) { ++ ylist_for_each(i, &dev->obj_bucket[bucket].list) { ++ /* If there is already one in the list */ ++ if (i && ylist_entry(i, yaffs_obj_t, ++ hash_link)->obj_id == n) { ++ found = 0; ++ } ++ } ++ } + } + +- return tn; ++ return n; + } + +-/* AddOrFindLevel0Tnode finds the level 0 tnode if it exists, otherwise first expands the tree. +- * This happens in two steps: +- * 1. If the tree isn't tall enough, then make it taller. +- * 2. Scan down the tree towards the level 0 tnode adding tnodes if required. +- * +- * Used when modifying the tree. +- * +- * If the tn argument is NULL, then a fresh tnode will be added otherwise the specified tn will +- * be plugged into the ttree. +- */ +- +-static yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device *dev, +- yaffs_FileStructure *fStruct, +- __u32 chunkId, +- yaffs_Tnode *passedTn) ++static void yaffs_hash_obj(yaffs_obj_t *in) + { +- int requiredTallness; +- int i; +- int l; +- yaffs_Tnode *tn; +- +- __u32 x; ++ int bucket = yaffs_hash_fn(in->obj_id); ++ yaffs_dev_t *dev = in->my_dev; + ++ ylist_add(&in->hash_link, &dev->obj_bucket[bucket].list); ++ dev->obj_bucket[bucket].count++; ++} + +- /* Check sane level and page Id */ +- if (fStruct->topLevel < 0 || fStruct->topLevel > YAFFS_TNODES_MAX_LEVEL) +- return NULL; ++yaffs_obj_t *yaffs_find_by_number(yaffs_dev_t *dev, __u32 number) ++{ ++ int bucket = yaffs_hash_fn(number); ++ struct ylist_head *i; ++ yaffs_obj_t *in; + +- if (chunkId > YAFFS_MAX_CHUNK_ID) +- return NULL; ++ ylist_for_each(i, &dev->obj_bucket[bucket].list) { ++ /* Look if it is in the list */ ++ if (i) { ++ in = ylist_entry(i, yaffs_obj_t, hash_link); ++ if (in->obj_id == number) { + +- /* First check we're tall enough (ie enough topLevel) */ ++ /* Don't tell the VFS about this one if it is defered free */ ++ if (in->defered_free) ++ return NULL; + +- x = chunkId >> YAFFS_TNODES_LEVEL0_BITS; +- requiredTallness = 0; +- while (x) { +- x >>= YAFFS_TNODES_INTERNAL_BITS; +- requiredTallness++; ++ return in; ++ } ++ } + } + ++ return NULL; ++} + +- if (requiredTallness > fStruct->topLevel) { +- /* Not tall enough, gotta make the tree taller */ +- for (i = fStruct->topLevel; i < requiredTallness; i++) { ++yaffs_obj_t *yaffs_new_obj(yaffs_dev_t *dev, int number, ++ yaffs_obj_type type) ++{ ++ yaffs_obj_t *theObject=NULL; ++ yaffs_tnode_t *tn = NULL; + +- tn = yaffs_GetTnode(dev); ++ if (number < 0) ++ number = yaffs_new_obj_id(dev); + +- if (tn) { +- tn->internal[0] = fStruct->top; +- fStruct->top = tn; +- } else { +- T(YAFFS_TRACE_ERROR, +- (TSTR("yaffs: no more tnodes" TENDSTR))); +- } +- } ++ if (type == YAFFS_OBJECT_TYPE_FILE) { ++ tn = yaffs_get_tnode(dev); ++ if (!tn) ++ return NULL; ++ } + +- fStruct->topLevel = requiredTallness; ++ theObject = yaffs_alloc_empty_obj(dev); ++ if (!theObject){ ++ if(tn) ++ yaffs_free_tnode(dev,tn); ++ return NULL; + } + +- /* Traverse down to level 0, adding anything we need */ + +- l = fStruct->topLevel; +- tn = fStruct->top; ++ if (theObject) { ++ theObject->fake = 0; ++ theObject->rename_allowed = 1; ++ theObject->unlink_allowed = 1; ++ theObject->obj_id = number; ++ yaffs_hash_obj(theObject); ++ theObject->variant_type = type; ++#ifdef CONFIG_YAFFS_WINCE ++ yfsd_win_file_time_now(theObject->win_atime); ++ theObject->win_ctime[0] = theObject->win_mtime[0] = ++ theObject->win_atime[0]; ++ theObject->win_ctime[1] = theObject->win_mtime[1] = ++ theObject->win_atime[1]; ++ ++#else + +- if (l > 0) { +- while (l > 0 && tn) { +- x = (chunkId >> +- (YAFFS_TNODES_LEVEL0_BITS + +- (l - 1) * YAFFS_TNODES_INTERNAL_BITS)) & +- YAFFS_TNODES_INTERNAL_MASK; ++ theObject->yst_atime = theObject->yst_mtime = ++ theObject->yst_ctime = Y_CURRENT_TIME; ++#endif ++ switch (type) { ++ case YAFFS_OBJECT_TYPE_FILE: ++ theObject->variant.file_variant.file_size = 0; ++ theObject->variant.file_variant.scanned_size = 0; ++ theObject->variant.file_variant.shrink_size = 0xFFFFFFFF; /* max __u32 */ ++ theObject->variant.file_variant.top_level = 0; ++ theObject->variant.file_variant.top = tn; ++ break; ++ case YAFFS_OBJECT_TYPE_DIRECTORY: ++ YINIT_LIST_HEAD(&theObject->variant.dir_variant. ++ children); ++ YINIT_LIST_HEAD(&theObject->variant.dir_variant. ++ dirty); ++ break; ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ case YAFFS_OBJECT_TYPE_HARDLINK: ++ case YAFFS_OBJECT_TYPE_SPECIAL: ++ /* No action required */ ++ break; ++ case YAFFS_OBJECT_TYPE_UNKNOWN: ++ /* todo this should not happen */ ++ break; ++ } ++ } + ++ return theObject; ++} + +- if ((l > 1) && !tn->internal[x]) { +- /* Add missing non-level-zero tnode */ +- tn->internal[x] = yaffs_GetTnode(dev); ++yaffs_obj_t *yaffs_find_or_create_by_number(yaffs_dev_t *dev, ++ int number, ++ yaffs_obj_type type) ++{ ++ yaffs_obj_t *theObject = NULL; + +- } else if (l == 1) { +- /* Looking from level 1 at level 0 */ +- if (passedTn) { +- /* If we already have one, then release it.*/ +- if (tn->internal[x]) +- yaffs_FreeTnode(dev, tn->internal[x]); +- tn->internal[x] = passedTn; ++ if (number > 0) ++ theObject = yaffs_find_by_number(dev, number); + +- } else if (!tn->internal[x]) { +- /* Don't have one, none passed in */ +- tn->internal[x] = yaffs_GetTnode(dev); +- } +- } ++ if (!theObject) ++ theObject = yaffs_new_obj(dev, number, type); + +- tn = tn->internal[x]; +- l--; +- } +- } else { +- /* top is level 0 */ +- if (passedTn) { +- memcpy(tn, passedTn, (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8); +- yaffs_FreeTnode(dev, passedTn); +- } +- } ++ return theObject; + +- return tn; + } + +-static int yaffs_FindChunkInGroup(yaffs_Device *dev, int theChunk, +- yaffs_ExtendedTags *tags, int objectId, +- int chunkInInode) ++ ++YCHAR *yaffs_clone_str(const YCHAR *str) + { +- int j; ++ YCHAR *newStr = NULL; ++ int len; + +- for (j = 0; theChunk && j < dev->chunkGroupSize; j++) { +- if (yaffs_CheckChunkBit(dev, theChunk / dev->nChunksPerBlock, +- theChunk % dev->nChunksPerBlock)) { +- yaffs_ReadChunkWithTagsFromNAND(dev, theChunk, NULL, +- tags); +- if (yaffs_TagsMatch(tags, objectId, chunkInInode)) { +- /* found it; */ +- return theChunk; +- } +- } +- theChunk++; ++ if (!str) ++ str = _Y(""); ++ ++ len = yaffs_strnlen(str,YAFFS_MAX_ALIAS_LENGTH); ++ newStr = YMALLOC((len + 1) * sizeof(YCHAR)); ++ if (newStr){ ++ yaffs_strncpy(newStr, str,len); ++ newStr[len] = 0; + } +- return -1; +-} ++ return newStr; + ++} + +-/* DeleteWorker scans backwards through the tnode tree and deletes all the +- * chunks and tnodes in the file +- * Returns 1 if the tree was deleted. +- * Returns 0 if it stopped early due to hitting the limit and the delete is incomplete. ++/* ++ * Mknod (create) a new object. ++ * equiv_obj only has meaning for a hard link; ++ * aliasString only has meaning for a symlink. ++ * rdev only has meaning for devices (a subset of special objects) + */ + +-static int yaffs_DeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, __u32 level, +- int chunkOffset, int *limit) ++static yaffs_obj_t *yaffs_create_obj(yaffs_obj_type type, ++ yaffs_obj_t *parent, ++ const YCHAR *name, ++ __u32 mode, ++ __u32 uid, ++ __u32 gid, ++ yaffs_obj_t *equiv_obj, ++ const YCHAR *aliasString, __u32 rdev) + { +- int i; +- int chunkInInode; +- int theChunk; +- yaffs_ExtendedTags tags; +- int foundChunk; +- yaffs_Device *dev = in->myDev; +- +- int allDone = 1; +- +- if (tn) { +- if (level > 0) { +- for (i = YAFFS_NTNODES_INTERNAL - 1; allDone && i >= 0; +- i--) { +- if (tn->internal[i]) { +- if (limit && (*limit) < 0) { +- allDone = 0; +- } else { +- allDone = +- yaffs_DeleteWorker(in, +- tn-> +- internal +- [i], +- level - +- 1, +- (chunkOffset +- << +- YAFFS_TNODES_INTERNAL_BITS) +- + i, +- limit); +- } +- if (allDone) { +- yaffs_FreeTnode(dev, +- tn-> +- internal[i]); +- tn->internal[i] = NULL; +- } +- } +- } +- return (allDone) ? 1 : 0; +- } else if (level == 0) { +- int hitLimit = 0; +- +- for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0 && !hitLimit; +- i--) { +- theChunk = yaffs_GetChunkGroupBase(dev, tn, i); +- if (theChunk) { +- +- chunkInInode = (chunkOffset << +- YAFFS_TNODES_LEVEL0_BITS) + i; +- +- foundChunk = +- yaffs_FindChunkInGroup(dev, +- theChunk, +- &tags, +- in->objectId, +- chunkInInode); +- +- if (foundChunk > 0) { +- yaffs_DeleteChunk(dev, +- foundChunk, 1, +- __LINE__); +- in->nDataChunks--; +- if (limit) { +- *limit = *limit - 1; +- if (*limit <= 0) +- hitLimit = 1; +- } +- +- } +- +- yaffs_PutLevel0Tnode(dev, tn, i, 0); +- } +- +- } +- return (i < 0) ? 1 : 0; +- +- } +- +- } +- +- return 1; +- +-} +- +-static void yaffs_SoftDeleteChunk(yaffs_Device *dev, int chunk) +-{ +- yaffs_BlockInfo *theBlock; +- +- T(YAFFS_TRACE_DELETION, (TSTR("soft delete chunk %d" TENDSTR), chunk)); +- +- theBlock = yaffs_GetBlockInfo(dev, chunk / dev->nChunksPerBlock); +- if (theBlock) { +- theBlock->softDeletions++; +- dev->nFreeChunks++; +- } +-} +- +-/* SoftDeleteWorker scans backwards through the tnode tree and soft deletes all the chunks in the file. +- * All soft deleting does is increment the block's softdelete count and pulls the chunk out +- * of the tnode. +- * Thus, essentially this is the same as DeleteWorker except that the chunks are soft deleted. +- */ +- +-static int yaffs_SoftDeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, +- __u32 level, int chunkOffset) +-{ +- int i; +- int theChunk; +- int allDone = 1; +- yaffs_Device *dev = in->myDev; +- +- if (tn) { +- if (level > 0) { +- +- for (i = YAFFS_NTNODES_INTERNAL - 1; allDone && i >= 0; +- i--) { +- if (tn->internal[i]) { +- allDone = +- yaffs_SoftDeleteWorker(in, +- tn-> +- internal[i], +- level - 1, +- (chunkOffset +- << +- YAFFS_TNODES_INTERNAL_BITS) +- + i); +- if (allDone) { +- yaffs_FreeTnode(dev, +- tn-> +- internal[i]); +- tn->internal[i] = NULL; +- } else { +- /* Hoosterman... how could this happen? */ +- } +- } +- } +- return (allDone) ? 1 : 0; +- } else if (level == 0) { +- +- for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0; i--) { +- theChunk = yaffs_GetChunkGroupBase(dev, tn, i); +- if (theChunk) { +- /* Note this does not find the real chunk, only the chunk group. +- * We make an assumption that a chunk group is not larger than +- * a block. +- */ +- yaffs_SoftDeleteChunk(dev, theChunk); +- yaffs_PutLevel0Tnode(dev, tn, i, 0); +- } +- +- } +- return 1; +- +- } +- +- } +- +- return 1; +- +-} +- +-static void yaffs_SoftDeleteFile(yaffs_Object *obj) +-{ +- if (obj->deleted && +- obj->variantType == YAFFS_OBJECT_TYPE_FILE && !obj->softDeleted) { +- if (obj->nDataChunks <= 0) { +- /* Empty file with no duplicate object headers, just delete it immediately */ +- yaffs_FreeTnode(obj->myDev, +- obj->variant.fileVariant.top); +- obj->variant.fileVariant.top = NULL; +- T(YAFFS_TRACE_TRACING, +- (TSTR("yaffs: Deleting empty file %d" TENDSTR), +- obj->objectId)); +- yaffs_DoGenericObjectDeletion(obj); +- } else { +- yaffs_SoftDeleteWorker(obj, +- obj->variant.fileVariant.top, +- obj->variant.fileVariant. +- topLevel, 0); +- obj->softDeleted = 1; +- } +- } +-} +- +-/* Pruning removes any part of the file structure tree that is beyond the +- * bounds of the file (ie that does not point to chunks). +- * +- * A file should only get pruned when its size is reduced. +- * +- * Before pruning, the chunks must be pulled from the tree and the +- * level 0 tnode entries must be zeroed out. +- * Could also use this for file deletion, but that's probably better handled +- * by a special case. +- */ +- +-static yaffs_Tnode *yaffs_PruneWorker(yaffs_Device *dev, yaffs_Tnode *tn, +- __u32 level, int del0) +-{ +- int i; +- int hasData; +- +- if (tn) { +- hasData = 0; +- +- for (i = 0; i < YAFFS_NTNODES_INTERNAL; i++) { +- if (tn->internal[i] && level > 0) { +- tn->internal[i] = +- yaffs_PruneWorker(dev, tn->internal[i], +- level - 1, +- (i == 0) ? del0 : 1); +- } +- +- if (tn->internal[i]) +- hasData++; +- } +- +- if (hasData == 0 && del0) { +- /* Free and return NULL */ +- +- yaffs_FreeTnode(dev, tn); +- tn = NULL; +- } +- +- } +- +- return tn; +- +-} +- +-static int yaffs_PruneFileStructure(yaffs_Device *dev, +- yaffs_FileStructure *fStruct) +-{ +- int i; +- int hasData; +- int done = 0; +- yaffs_Tnode *tn; +- +- if (fStruct->topLevel > 0) { +- fStruct->top = +- yaffs_PruneWorker(dev, fStruct->top, fStruct->topLevel, 0); +- +- /* Now we have a tree with all the non-zero branches NULL but the height +- * is the same as it was. +- * Let's see if we can trim internal tnodes to shorten the tree. +- * We can do this if only the 0th element in the tnode is in use +- * (ie all the non-zero are NULL) +- */ +- +- while (fStruct->topLevel && !done) { +- tn = fStruct->top; +- +- hasData = 0; +- for (i = 1; i < YAFFS_NTNODES_INTERNAL; i++) { +- if (tn->internal[i]) +- hasData++; +- } +- +- if (!hasData) { +- fStruct->top = tn->internal[0]; +- fStruct->topLevel--; +- yaffs_FreeTnode(dev, tn); +- } else { +- done = 1; +- } +- } +- } +- +- return YAFFS_OK; +-} +- +-/*-------------------- End of File Structure functions.-------------------*/ +- +-/* yaffs_CreateFreeObjects creates a bunch more objects and +- * adds them to the object free list. +- */ +-static int yaffs_CreateFreeObjects(yaffs_Device *dev, int nObjects) +-{ +- int i; +- yaffs_Object *newObjects; +- yaffs_ObjectList *list; +- +- if (nObjects < 1) +- return YAFFS_OK; +- +- /* make these things */ +- newObjects = YMALLOC(nObjects * sizeof(yaffs_Object)); +- list = YMALLOC(sizeof(yaffs_ObjectList)); +- +- if (!newObjects || !list) { +- if (newObjects) +- YFREE(newObjects); +- if (list) +- YFREE(list); +- T(YAFFS_TRACE_ALLOCATE, +- (TSTR("yaffs: Could not allocate more objects" TENDSTR))); +- return YAFFS_FAIL; +- } +- +- /* Hook them into the free list */ +- for (i = 0; i < nObjects - 1; i++) { +- newObjects[i].siblings.next = +- (struct ylist_head *)(&newObjects[i + 1]); +- } +- +- newObjects[nObjects - 1].siblings.next = (void *)dev->freeObjects; +- dev->freeObjects = newObjects; +- dev->nFreeObjects += nObjects; +- dev->nObjectsCreated += nObjects; +- +- /* Now add this bunch of Objects to a list for freeing up. */ +- +- list->objects = newObjects; +- list->next = dev->allocatedObjectList; +- dev->allocatedObjectList = list; +- +- return YAFFS_OK; +-} +- +- +-/* AllocateEmptyObject gets us a clean Object. Tries to make allocate more if we run out */ +-static yaffs_Object *yaffs_AllocateEmptyObject(yaffs_Device *dev) +-{ +- yaffs_Object *tn = NULL; +- +-#ifdef VALGRIND_TEST +- tn = YMALLOC(sizeof(yaffs_Object)); +-#else +- /* If there are none left make more */ +- if (!dev->freeObjects) +- yaffs_CreateFreeObjects(dev, YAFFS_ALLOCATION_NOBJECTS); +- +- if (dev->freeObjects) { +- tn = dev->freeObjects; +- dev->freeObjects = +- (yaffs_Object *) (dev->freeObjects->siblings.next); +- dev->nFreeObjects--; +- } +-#endif +- if (tn) { +- /* Now sweeten it up... */ +- +- memset(tn, 0, sizeof(yaffs_Object)); +- tn->beingCreated = 1; +- +- tn->myDev = dev; +- tn->hdrChunk = 0; +- tn->variantType = YAFFS_OBJECT_TYPE_UNKNOWN; +- YINIT_LIST_HEAD(&(tn->hardLinks)); +- YINIT_LIST_HEAD(&(tn->hashLink)); +- YINIT_LIST_HEAD(&tn->siblings); +- +- +- /* Now make the directory sane */ +- if (dev->rootDir) { +- tn->parent = dev->rootDir; +- ylist_add(&(tn->siblings), &dev->rootDir->variant.directoryVariant.children); +- } +- +- /* Add it to the lost and found directory. +- * NB Can't put root or lostNFound in lostNFound so +- * check if lostNFound exists first +- */ +- if (dev->lostNFoundDir) +- yaffs_AddObjectToDirectory(dev->lostNFoundDir, tn); +- +- tn->beingCreated = 0; +- } +- +- dev->nCheckpointBlocksRequired = 0; /* force recalculation*/ +- +- return tn; +-} +- +-static yaffs_Object *yaffs_CreateFakeDirectory(yaffs_Device *dev, int number, +- __u32 mode) +-{ +- +- yaffs_Object *obj = +- yaffs_CreateNewObject(dev, number, YAFFS_OBJECT_TYPE_DIRECTORY); +- if (obj) { +- obj->fake = 1; /* it is fake so it might have no NAND presence... */ +- obj->renameAllowed = 0; /* ... and we're not allowed to rename it... */ +- obj->unlinkAllowed = 0; /* ... or unlink it */ +- obj->deleted = 0; +- obj->unlinked = 0; +- obj->yst_mode = mode; +- obj->myDev = dev; +- obj->hdrChunk = 0; /* Not a valid chunk. */ +- } +- +- return obj; +- +-} +- +-static void yaffs_UnhashObject(yaffs_Object *tn) +-{ +- int bucket; +- yaffs_Device *dev = tn->myDev; +- +- /* If it is still linked into the bucket list, free from the list */ +- if (!ylist_empty(&tn->hashLink)) { +- ylist_del_init(&tn->hashLink); +- bucket = yaffs_HashFunction(tn->objectId); +- dev->objectBucket[bucket].count--; +- } +-} +- +-/* FreeObject frees up a Object and puts it back on the free list */ +-static void yaffs_FreeObject(yaffs_Object *tn) +-{ +- yaffs_Device *dev = tn->myDev; +- +-#ifdef __KERNEL__ +- T(YAFFS_TRACE_OS, (TSTR("FreeObject %p inode %p"TENDSTR), tn, tn->myInode)); +-#endif +- +- if (tn->parent) +- YBUG(); +- if (!ylist_empty(&tn->siblings)) +- YBUG(); +- +- +-#ifdef __KERNEL__ +- if (tn->myInode) { +- /* We're still hooked up to a cached inode. +- * Don't delete now, but mark for later deletion +- */ +- tn->deferedFree = 1; +- return; +- } +-#endif +- +- yaffs_UnhashObject(tn); +- +-#ifdef VALGRIND_TEST +- YFREE(tn); +-#else +- /* Link into the free list. */ +- tn->siblings.next = (struct ylist_head *)(dev->freeObjects); +- dev->freeObjects = tn; +- dev->nFreeObjects++; +-#endif +- dev->nCheckpointBlocksRequired = 0; /* force recalculation*/ +-} +- +-#ifdef __KERNEL__ +- +-void yaffs_HandleDeferedFree(yaffs_Object *obj) +-{ +- if (obj->deferedFree) +- yaffs_FreeObject(obj); +-} +- +-#endif +- +-static void yaffs_DeinitialiseObjects(yaffs_Device *dev) +-{ +- /* Free the list of allocated Objects */ +- +- yaffs_ObjectList *tmp; +- +- while (dev->allocatedObjectList) { +- tmp = dev->allocatedObjectList->next; +- YFREE(dev->allocatedObjectList->objects); +- YFREE(dev->allocatedObjectList); +- +- dev->allocatedObjectList = tmp; +- } +- +- dev->freeObjects = NULL; +- dev->nFreeObjects = 0; +-} +- +-static void yaffs_InitialiseObjects(yaffs_Device *dev) +-{ +- int i; +- +- dev->allocatedObjectList = NULL; +- dev->freeObjects = NULL; +- dev->nFreeObjects = 0; +- +- for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) { +- YINIT_LIST_HEAD(&dev->objectBucket[i].list); +- dev->objectBucket[i].count = 0; +- } +-} +- +-static int yaffs_FindNiceObjectBucket(yaffs_Device *dev) +-{ +- static int x; +- int i; +- int l = 999; +- int lowest = 999999; +- +- /* First let's see if we can find one that's empty. */ +- +- for (i = 0; i < 10 && lowest > 0; i++) { +- x++; +- x %= YAFFS_NOBJECT_BUCKETS; +- if (dev->objectBucket[x].count < lowest) { +- lowest = dev->objectBucket[x].count; +- l = x; +- } +- +- } +- +- /* If we didn't find an empty list, then try +- * looking a bit further for a short one +- */ +- +- for (i = 0; i < 10 && lowest > 3; i++) { +- x++; +- x %= YAFFS_NOBJECT_BUCKETS; +- if (dev->objectBucket[x].count < lowest) { +- lowest = dev->objectBucket[x].count; +- l = x; +- } +- +- } +- +- return l; +-} +- +-static int yaffs_CreateNewObjectNumber(yaffs_Device *dev) +-{ +- int bucket = yaffs_FindNiceObjectBucket(dev); +- +- /* Now find an object value that has not already been taken +- * by scanning the list. +- */ +- +- int found = 0; +- struct ylist_head *i; +- +- __u32 n = (__u32) bucket; +- +- /* yaffs_CheckObjectHashSanity(); */ +- +- while (!found) { +- found = 1; +- n += YAFFS_NOBJECT_BUCKETS; +- if (1 || dev->objectBucket[bucket].count > 0) { +- ylist_for_each(i, &dev->objectBucket[bucket].list) { +- /* If there is already one in the list */ +- if (i && ylist_entry(i, yaffs_Object, +- hashLink)->objectId == n) { +- found = 0; +- } +- } +- } +- } +- +- return n; +-} +- +-static void yaffs_HashObject(yaffs_Object *in) +-{ +- int bucket = yaffs_HashFunction(in->objectId); +- yaffs_Device *dev = in->myDev; +- +- ylist_add(&in->hashLink, &dev->objectBucket[bucket].list); +- dev->objectBucket[bucket].count++; +-} +- +-yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device *dev, __u32 number) +-{ +- int bucket = yaffs_HashFunction(number); +- struct ylist_head *i; +- yaffs_Object *in; +- +- ylist_for_each(i, &dev->objectBucket[bucket].list) { +- /* Look if it is in the list */ +- if (i) { +- in = ylist_entry(i, yaffs_Object, hashLink); +- if (in->objectId == number) { +-#ifdef __KERNEL__ +- /* Don't tell the VFS about this one if it is defered free */ +- if (in->deferedFree) +- return NULL; +-#endif +- +- return in; +- } +- } +- } +- +- return NULL; +-} +- +-yaffs_Object *yaffs_CreateNewObject(yaffs_Device *dev, int number, +- yaffs_ObjectType type) +-{ +- yaffs_Object *theObject; +- yaffs_Tnode *tn = NULL; +- +- if (number < 0) +- number = yaffs_CreateNewObjectNumber(dev); +- +- theObject = yaffs_AllocateEmptyObject(dev); +- if (!theObject) +- return NULL; +- +- if (type == YAFFS_OBJECT_TYPE_FILE) { +- tn = yaffs_GetTnode(dev); +- if (!tn) { +- yaffs_FreeObject(theObject); +- return NULL; +- } +- } +- +- if (theObject) { +- theObject->fake = 0; +- theObject->renameAllowed = 1; +- theObject->unlinkAllowed = 1; +- theObject->objectId = number; +- yaffs_HashObject(theObject); +- theObject->variantType = type; +-#ifdef CONFIG_YAFFS_WINCE +- yfsd_WinFileTimeNow(theObject->win_atime); +- theObject->win_ctime[0] = theObject->win_mtime[0] = +- theObject->win_atime[0]; +- theObject->win_ctime[1] = theObject->win_mtime[1] = +- theObject->win_atime[1]; +- +-#else +- +- theObject->yst_atime = theObject->yst_mtime = +- theObject->yst_ctime = Y_CURRENT_TIME; +-#endif +- switch (type) { +- case YAFFS_OBJECT_TYPE_FILE: +- theObject->variant.fileVariant.fileSize = 0; +- theObject->variant.fileVariant.scannedFileSize = 0; +- theObject->variant.fileVariant.shrinkSize = 0xFFFFFFFF; /* max __u32 */ +- theObject->variant.fileVariant.topLevel = 0; +- theObject->variant.fileVariant.top = tn; +- break; +- case YAFFS_OBJECT_TYPE_DIRECTORY: +- YINIT_LIST_HEAD(&theObject->variant.directoryVariant. +- children); +- break; +- case YAFFS_OBJECT_TYPE_SYMLINK: +- case YAFFS_OBJECT_TYPE_HARDLINK: +- case YAFFS_OBJECT_TYPE_SPECIAL: +- /* No action required */ +- break; +- case YAFFS_OBJECT_TYPE_UNKNOWN: +- /* todo this should not happen */ +- break; +- } +- } +- +- return theObject; +-} +- +-static yaffs_Object *yaffs_FindOrCreateObjectByNumber(yaffs_Device *dev, +- int number, +- yaffs_ObjectType type) +-{ +- yaffs_Object *theObject = NULL; +- +- if (number > 0) +- theObject = yaffs_FindObjectByNumber(dev, number); +- +- if (!theObject) +- theObject = yaffs_CreateNewObject(dev, number, type); +- +- return theObject; +- +-} +- +- +-static YCHAR *yaffs_CloneString(const YCHAR *str) +-{ +- YCHAR *newStr = NULL; +- +- if (str && *str) { +- newStr = YMALLOC((yaffs_strlen(str) + 1) * sizeof(YCHAR)); +- if (newStr) +- yaffs_strcpy(newStr, str); +- } +- +- return newStr; +- +-} +- +-/* +- * Mknod (create) a new object. +- * equivalentObject only has meaning for a hard link; +- * aliasString only has meaning for a sumlink. +- * rdev only has meaning for devices (a subset of special objects) +- */ +- +-static yaffs_Object *yaffs_MknodObject(yaffs_ObjectType type, +- yaffs_Object *parent, +- const YCHAR *name, +- __u32 mode, +- __u32 uid, +- __u32 gid, +- yaffs_Object *equivalentObject, +- const YCHAR *aliasString, __u32 rdev) +-{ +- yaffs_Object *in; +- YCHAR *str = NULL; +- +- yaffs_Device *dev = parent->myDev; +- +- /* Check if the entry exists. If it does then fail the call since we don't want a dup.*/ +- if (yaffs_FindObjectByName(parent, name)) +- return NULL; +- +- in = yaffs_CreateNewObject(dev, -1, type); +- +- if (!in) +- return YAFFS_FAIL; +- +- if (type == YAFFS_OBJECT_TYPE_SYMLINK) { +- str = yaffs_CloneString(aliasString); +- if (!str) { +- yaffs_FreeObject(in); +- return NULL; +- } +- } +- +- +- +- if (in) { +- in->hdrChunk = 0; +- in->valid = 1; +- in->variantType = type; +- +- in->yst_mode = mode; +- +-#ifdef CONFIG_YAFFS_WINCE +- yfsd_WinFileTimeNow(in->win_atime); +- in->win_ctime[0] = in->win_mtime[0] = in->win_atime[0]; +- in->win_ctime[1] = in->win_mtime[1] = in->win_atime[1]; +- +-#else +- in->yst_atime = in->yst_mtime = in->yst_ctime = Y_CURRENT_TIME; +- +- in->yst_rdev = rdev; +- in->yst_uid = uid; +- in->yst_gid = gid; +-#endif +- in->nDataChunks = 0; +- +- yaffs_SetObjectName(in, name); +- in->dirty = 1; +- +- yaffs_AddObjectToDirectory(parent, in); +- +- in->myDev = parent->myDev; +- +- switch (type) { +- case YAFFS_OBJECT_TYPE_SYMLINK: +- in->variant.symLinkVariant.alias = str; +- break; +- case YAFFS_OBJECT_TYPE_HARDLINK: +- in->variant.hardLinkVariant.equivalentObject = +- equivalentObject; +- in->variant.hardLinkVariant.equivalentObjectId = +- equivalentObject->objectId; +- ylist_add(&in->hardLinks, &equivalentObject->hardLinks); +- break; +- case YAFFS_OBJECT_TYPE_FILE: +- case YAFFS_OBJECT_TYPE_DIRECTORY: +- case YAFFS_OBJECT_TYPE_SPECIAL: +- case YAFFS_OBJECT_TYPE_UNKNOWN: +- /* do nothing */ +- break; +- } +- +- if (yaffs_UpdateObjectHeader(in, name, 0, 0, 0) < 0) { +- /* Could not create the object header, fail the creation */ +- yaffs_DeleteObject(in); +- in = NULL; +- } +- +- } +- +- return in; +-} +- +-yaffs_Object *yaffs_MknodFile(yaffs_Object *parent, const YCHAR *name, +- __u32 mode, __u32 uid, __u32 gid) +-{ +- return yaffs_MknodObject(YAFFS_OBJECT_TYPE_FILE, parent, name, mode, +- uid, gid, NULL, NULL, 0); +-} +- +-yaffs_Object *yaffs_MknodDirectory(yaffs_Object *parent, const YCHAR *name, +- __u32 mode, __u32 uid, __u32 gid) +-{ +- return yaffs_MknodObject(YAFFS_OBJECT_TYPE_DIRECTORY, parent, name, +- mode, uid, gid, NULL, NULL, 0); +-} +- +-yaffs_Object *yaffs_MknodSpecial(yaffs_Object *parent, const YCHAR *name, +- __u32 mode, __u32 uid, __u32 gid, __u32 rdev) +-{ +- return yaffs_MknodObject(YAFFS_OBJECT_TYPE_SPECIAL, parent, name, mode, +- uid, gid, NULL, NULL, rdev); +-} +- +-yaffs_Object *yaffs_MknodSymLink(yaffs_Object *parent, const YCHAR *name, +- __u32 mode, __u32 uid, __u32 gid, +- const YCHAR *alias) +-{ +- return yaffs_MknodObject(YAFFS_OBJECT_TYPE_SYMLINK, parent, name, mode, +- uid, gid, NULL, alias, 0); +-} +- +-/* yaffs_Link returns the object id of the equivalent object.*/ +-yaffs_Object *yaffs_Link(yaffs_Object *parent, const YCHAR *name, +- yaffs_Object *equivalentObject) +-{ +- /* Get the real object in case we were fed a hard link as an equivalent object */ +- equivalentObject = yaffs_GetEquivalentObject(equivalentObject); +- +- if (yaffs_MknodObject +- (YAFFS_OBJECT_TYPE_HARDLINK, parent, name, 0, 0, 0, +- equivalentObject, NULL, 0)) { +- return equivalentObject; +- } else { +- return NULL; +- } +- +-} +- +-static int yaffs_ChangeObjectName(yaffs_Object *obj, yaffs_Object *newDir, +- const YCHAR *newName, int force, int shadows) +-{ +- int unlinkOp; +- int deleteOp; +- +- yaffs_Object *existingTarget; +- +- if (newDir == NULL) +- newDir = obj->parent; /* use the old directory */ +- +- if (newDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) { +- T(YAFFS_TRACE_ALWAYS, +- (TSTR +- ("tragedy: yaffs_ChangeObjectName: newDir is not a directory" +- TENDSTR))); +- YBUG(); +- } +- +- /* TODO: Do we need this different handling for YAFFS2 and YAFFS1?? */ +- if (obj->myDev->isYaffs2) +- unlinkOp = (newDir == obj->myDev->unlinkedDir); +- else +- unlinkOp = (newDir == obj->myDev->unlinkedDir +- && obj->variantType == YAFFS_OBJECT_TYPE_FILE); +- +- deleteOp = (newDir == obj->myDev->deletedDir); +- +- existingTarget = yaffs_FindObjectByName(newDir, newName); +- +- /* If the object is a file going into the unlinked directory, +- * then it is OK to just stuff it in since duplicate names are allowed. +- * else only proceed if the new name does not exist and if we're putting +- * it into a directory. +- */ +- if ((unlinkOp || +- deleteOp || +- force || +- (shadows > 0) || +- !existingTarget) && +- newDir->variantType == YAFFS_OBJECT_TYPE_DIRECTORY) { +- yaffs_SetObjectName(obj, newName); +- obj->dirty = 1; +- +- yaffs_AddObjectToDirectory(newDir, obj); +- +- if (unlinkOp) +- obj->unlinked = 1; +- +- /* If it is a deletion then we mark it as a shrink for gc purposes. */ +- if (yaffs_UpdateObjectHeader(obj, newName, 0, deleteOp, shadows) >= 0) +- return YAFFS_OK; +- } +- +- return YAFFS_FAIL; +-} +- +-int yaffs_RenameObject(yaffs_Object *oldDir, const YCHAR *oldName, +- yaffs_Object *newDir, const YCHAR *newName) +-{ +- yaffs_Object *obj = NULL; +- yaffs_Object *existingTarget = NULL; +- int force = 0; +- +- +- if (!oldDir || oldDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) +- YBUG(); +- if (!newDir || newDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) +- YBUG(); +- +-#ifdef CONFIG_YAFFS_CASE_INSENSITIVE +- /* Special case for case insemsitive systems (eg. WinCE). +- * While look-up is case insensitive, the name isn't. +- * Therefore we might want to change x.txt to X.txt +- */ +- if (oldDir == newDir && yaffs_strcmp(oldName, newName) == 0) +- force = 1; +-#endif +- +- else if (yaffs_strlen(newName) > YAFFS_MAX_NAME_LENGTH) +- /* ENAMETOOLONG */ +- return YAFFS_FAIL; +- +- obj = yaffs_FindObjectByName(oldDir, oldName); +- +- if (obj && obj->renameAllowed) { +- +- /* Now do the handling for an existing target, if there is one */ +- +- existingTarget = yaffs_FindObjectByName(newDir, newName); +- if (existingTarget && +- existingTarget->variantType == YAFFS_OBJECT_TYPE_DIRECTORY && +- !ylist_empty(&existingTarget->variant.directoryVariant.children)) { +- /* There is a target that is a non-empty directory, so we fail */ +- return YAFFS_FAIL; /* EEXIST or ENOTEMPTY */ +- } else if (existingTarget && existingTarget != obj) { +- /* Nuke the target first, using shadowing, +- * but only if it isn't the same object +- */ +- yaffs_ChangeObjectName(obj, newDir, newName, force, +- existingTarget->objectId); +- yaffs_UnlinkObject(existingTarget); +- } +- +- return yaffs_ChangeObjectName(obj, newDir, newName, 1, 0); +- } +- return YAFFS_FAIL; +-} +- +-/*------------------------- Block Management and Page Allocation ----------------*/ +- +-static int yaffs_InitialiseBlocks(yaffs_Device *dev) +-{ +- int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1; +- +- dev->blockInfo = NULL; +- dev->chunkBits = NULL; +- +- dev->allocationBlock = -1; /* force it to get a new one */ +- +- /* If the first allocation strategy fails, thry the alternate one */ +- dev->blockInfo = YMALLOC(nBlocks * sizeof(yaffs_BlockInfo)); +- if (!dev->blockInfo) { +- dev->blockInfo = YMALLOC_ALT(nBlocks * sizeof(yaffs_BlockInfo)); +- dev->blockInfoAlt = 1; +- } else +- dev->blockInfoAlt = 0; +- +- if (dev->blockInfo) { +- /* Set up dynamic blockinfo stuff. */ +- dev->chunkBitmapStride = (dev->nChunksPerBlock + 7) / 8; /* round up bytes */ +- dev->chunkBits = YMALLOC(dev->chunkBitmapStride * nBlocks); +- if (!dev->chunkBits) { +- dev->chunkBits = YMALLOC_ALT(dev->chunkBitmapStride * nBlocks); +- dev->chunkBitsAlt = 1; +- } else +- dev->chunkBitsAlt = 0; +- } +- +- if (dev->blockInfo && dev->chunkBits) { +- memset(dev->blockInfo, 0, nBlocks * sizeof(yaffs_BlockInfo)); +- memset(dev->chunkBits, 0, dev->chunkBitmapStride * nBlocks); +- return YAFFS_OK; +- } +- +- return YAFFS_FAIL; +-} +- +-static void yaffs_DeinitialiseBlocks(yaffs_Device *dev) +-{ +- if (dev->blockInfoAlt && dev->blockInfo) +- YFREE_ALT(dev->blockInfo); +- else if (dev->blockInfo) +- YFREE(dev->blockInfo); +- +- dev->blockInfoAlt = 0; +- +- dev->blockInfo = NULL; +- +- if (dev->chunkBitsAlt && dev->chunkBits) +- YFREE_ALT(dev->chunkBits); +- else if (dev->chunkBits) +- YFREE(dev->chunkBits); +- dev->chunkBitsAlt = 0; +- dev->chunkBits = NULL; +-} +- +-static int yaffs_BlockNotDisqualifiedFromGC(yaffs_Device *dev, +- yaffs_BlockInfo *bi) +-{ +- int i; +- __u32 seq; +- yaffs_BlockInfo *b; +- +- if (!dev->isYaffs2) +- return 1; /* disqualification only applies to yaffs2. */ +- +- if (!bi->hasShrinkHeader) +- return 1; /* can gc */ +- +- /* Find the oldest dirty sequence number if we don't know it and save it +- * so we don't have to keep recomputing it. +- */ +- if (!dev->oldestDirtySequence) { +- seq = dev->sequenceNumber; +- +- for (i = dev->internalStartBlock; i <= dev->internalEndBlock; +- i++) { +- b = yaffs_GetBlockInfo(dev, i); +- if (b->blockState == YAFFS_BLOCK_STATE_FULL && +- (b->pagesInUse - b->softDeletions) < +- dev->nChunksPerBlock && b->sequenceNumber < seq) { +- seq = b->sequenceNumber; +- } +- } +- dev->oldestDirtySequence = seq; +- } +- +- /* Can't do gc of this block if there are any blocks older than this one that have +- * discarded pages. +- */ +- return (bi->sequenceNumber <= dev->oldestDirtySequence); +-} +- +-/* FindDiretiestBlock is used to select the dirtiest block (or close enough) +- * for garbage collection. +- */ +- +-static int yaffs_FindBlockForGarbageCollection(yaffs_Device *dev, +- int aggressive) +-{ +- int b = dev->currentDirtyChecker; +- +- int i; +- int iterations; +- int dirtiest = -1; +- int pagesInUse = 0; +- int prioritised = 0; +- yaffs_BlockInfo *bi; +- int pendingPrioritisedExist = 0; +- +- /* First let's see if we need to grab a prioritised block */ +- if (dev->hasPendingPrioritisedGCs) { +- for (i = dev->internalStartBlock; i < dev->internalEndBlock && !prioritised; i++) { +- +- bi = yaffs_GetBlockInfo(dev, i); +- /* yaffs_VerifyBlock(dev,bi,i); */ +- +- if (bi->gcPrioritise) { +- pendingPrioritisedExist = 1; +- if (bi->blockState == YAFFS_BLOCK_STATE_FULL && +- yaffs_BlockNotDisqualifiedFromGC(dev, bi)) { +- pagesInUse = (bi->pagesInUse - bi->softDeletions); +- dirtiest = i; +- prioritised = 1; +- aggressive = 1; /* Fool the non-aggressive skip logiv below */ +- } +- } +- } +- +- if (!pendingPrioritisedExist) /* None found, so we can clear this */ +- dev->hasPendingPrioritisedGCs = 0; +- } +- +- /* If we're doing aggressive GC then we are happy to take a less-dirty block, and +- * search harder. +- * else (we're doing a leasurely gc), then we only bother to do this if the +- * block has only a few pages in use. +- */ +- +- dev->nonAggressiveSkip--; +- +- if (!aggressive && (dev->nonAggressiveSkip > 0)) +- return -1; +- +- if (!prioritised) +- pagesInUse = +- (aggressive) ? dev->nChunksPerBlock : YAFFS_PASSIVE_GC_CHUNKS + 1; +- +- if (aggressive) +- iterations = +- dev->internalEndBlock - dev->internalStartBlock + 1; +- else { +- iterations = +- dev->internalEndBlock - dev->internalStartBlock + 1; +- iterations = iterations / 16; +- if (iterations > 200) +- iterations = 200; +- } +- +- for (i = 0; i <= iterations && pagesInUse > 0 && !prioritised; i++) { +- b++; +- if (b < dev->internalStartBlock || b > dev->internalEndBlock) +- b = dev->internalStartBlock; +- +- if (b < dev->internalStartBlock || b > dev->internalEndBlock) { +- T(YAFFS_TRACE_ERROR, +- (TSTR("**>> Block %d is not valid" TENDSTR), b)); +- YBUG(); +- } +- +- bi = yaffs_GetBlockInfo(dev, b); +- +- if (bi->blockState == YAFFS_BLOCK_STATE_FULL && +- (bi->pagesInUse - bi->softDeletions) < pagesInUse && +- yaffs_BlockNotDisqualifiedFromGC(dev, bi)) { +- dirtiest = b; +- pagesInUse = (bi->pagesInUse - bi->softDeletions); +- } +- } +- +- dev->currentDirtyChecker = b; +- +- if (dirtiest > 0) { +- T(YAFFS_TRACE_GC, +- (TSTR("GC Selected block %d with %d free, prioritised:%d" TENDSTR), dirtiest, +- dev->nChunksPerBlock - pagesInUse, prioritised)); +- } +- +- dev->oldestDirtySequence = 0; +- +- if (dirtiest > 0) +- dev->nonAggressiveSkip = 4; +- +- return dirtiest; +-} +- +-static void yaffs_BlockBecameDirty(yaffs_Device *dev, int blockNo) +-{ +- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockNo); +- +- int erasedOk = 0; +- +- /* If the block is still healthy erase it and mark as clean. +- * If the block has had a data failure, then retire it. +- */ +- +- T(YAFFS_TRACE_GC | YAFFS_TRACE_ERASE, +- (TSTR("yaffs_BlockBecameDirty block %d state %d %s"TENDSTR), +- blockNo, bi->blockState, (bi->needsRetiring) ? "needs retiring" : "")); +- +- bi->blockState = YAFFS_BLOCK_STATE_DIRTY; +- +- if (!bi->needsRetiring) { +- yaffs_InvalidateCheckpoint(dev); +- erasedOk = yaffs_EraseBlockInNAND(dev, blockNo); +- if (!erasedOk) { +- dev->nErasureFailures++; +- T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, +- (TSTR("**>> Erasure failed %d" TENDSTR), blockNo)); +- } +- } +- +- if (erasedOk && +- ((yaffs_traceMask & YAFFS_TRACE_ERASE) || !yaffs_SkipVerification(dev))) { +- int i; +- for (i = 0; i < dev->nChunksPerBlock; i++) { +- if (!yaffs_CheckChunkErased +- (dev, blockNo * dev->nChunksPerBlock + i)) { +- T(YAFFS_TRACE_ERROR, +- (TSTR +- (">>Block %d erasure supposedly OK, but chunk %d not erased" +- TENDSTR), blockNo, i)); +- } +- } +- } +- +- if (erasedOk) { +- /* Clean it up... */ +- bi->blockState = YAFFS_BLOCK_STATE_EMPTY; +- dev->nErasedBlocks++; +- bi->pagesInUse = 0; +- bi->softDeletions = 0; +- bi->hasShrinkHeader = 0; +- bi->skipErasedCheck = 1; /* This is clean, so no need to check */ +- bi->gcPrioritise = 0; +- yaffs_ClearChunkBits(dev, blockNo); +- +- T(YAFFS_TRACE_ERASE, +- (TSTR("Erased block %d" TENDSTR), blockNo)); +- } else { +- dev->nFreeChunks -= dev->nChunksPerBlock; /* We lost a block of free space */ +- +- yaffs_RetireBlock(dev, blockNo); +- T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, +- (TSTR("**>> Block %d retired" TENDSTR), blockNo)); +- } +-} +- +-static int yaffs_FindBlockForAllocation(yaffs_Device *dev) +-{ +- int i; +- +- yaffs_BlockInfo *bi; +- +- if (dev->nErasedBlocks < 1) { +- /* Hoosterman we've got a problem. +- * Can't get space to gc +- */ +- T(YAFFS_TRACE_ERROR, +- (TSTR("yaffs tragedy: no more erased blocks" TENDSTR))); +- +- return -1; +- } +- +- /* Find an empty block. */ +- +- for (i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) { +- dev->allocationBlockFinder++; +- if (dev->allocationBlockFinder < dev->internalStartBlock +- || dev->allocationBlockFinder > dev->internalEndBlock) { +- dev->allocationBlockFinder = dev->internalStartBlock; +- } +- +- bi = yaffs_GetBlockInfo(dev, dev->allocationBlockFinder); +- +- if (bi->blockState == YAFFS_BLOCK_STATE_EMPTY) { +- bi->blockState = YAFFS_BLOCK_STATE_ALLOCATING; +- dev->sequenceNumber++; +- bi->sequenceNumber = dev->sequenceNumber; +- dev->nErasedBlocks--; +- T(YAFFS_TRACE_ALLOCATE, +- (TSTR("Allocated block %d, seq %d, %d left" TENDSTR), +- dev->allocationBlockFinder, dev->sequenceNumber, +- dev->nErasedBlocks)); +- return dev->allocationBlockFinder; +- } +- } +- +- T(YAFFS_TRACE_ALWAYS, +- (TSTR +- ("yaffs tragedy: no more erased blocks, but there should have been %d" +- TENDSTR), dev->nErasedBlocks)); +- +- return -1; +-} +- +- +- +-static int yaffs_CalcCheckpointBlocksRequired(yaffs_Device *dev) +-{ +- if (!dev->nCheckpointBlocksRequired && +- dev->isYaffs2) { +- /* Not a valid value so recalculate */ +- int nBytes = 0; +- int nBlocks; +- int devBlocks = (dev->endBlock - dev->startBlock + 1); +- int tnodeSize; +- +- tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8; +- +- if (tnodeSize < sizeof(yaffs_Tnode)) +- tnodeSize = sizeof(yaffs_Tnode); +- +- nBytes += sizeof(yaffs_CheckpointValidity); +- nBytes += sizeof(yaffs_CheckpointDevice); +- nBytes += devBlocks * sizeof(yaffs_BlockInfo); +- nBytes += devBlocks * dev->chunkBitmapStride; +- nBytes += (sizeof(yaffs_CheckpointObject) + sizeof(__u32)) * (dev->nObjectsCreated - dev->nFreeObjects); +- nBytes += (tnodeSize + sizeof(__u32)) * (dev->nTnodesCreated - dev->nFreeTnodes); +- nBytes += sizeof(yaffs_CheckpointValidity); +- nBytes += sizeof(__u32); /* checksum*/ +- +- /* Round up and add 2 blocks to allow for some bad blocks, so add 3 */ +- +- nBlocks = (nBytes/(dev->nDataBytesPerChunk * dev->nChunksPerBlock)) + 3; +- +- dev->nCheckpointBlocksRequired = nBlocks; +- } +- +- return dev->nCheckpointBlocksRequired; +-} +- +-/* +- * Check if there's space to allocate... +- * Thinks.... do we need top make this ths same as yaffs_GetFreeChunks()? +- */ +-static int yaffs_CheckSpaceForAllocation(yaffs_Device *dev) +-{ +- int reservedChunks; +- int reservedBlocks = dev->nReservedBlocks; +- int checkpointBlocks; +- +- if (dev->isYaffs2) { +- checkpointBlocks = yaffs_CalcCheckpointBlocksRequired(dev) - +- dev->blocksInCheckpoint; +- if (checkpointBlocks < 0) +- checkpointBlocks = 0; +- } else { +- checkpointBlocks = 0; +- } +- +- reservedChunks = ((reservedBlocks + checkpointBlocks) * dev->nChunksPerBlock); +- +- return (dev->nFreeChunks > reservedChunks); +-} +- +-static int yaffs_AllocateChunk(yaffs_Device *dev, int useReserve, +- yaffs_BlockInfo **blockUsedPtr) +-{ +- int retVal; +- yaffs_BlockInfo *bi; +- +- if (dev->allocationBlock < 0) { +- /* Get next block to allocate off */ +- dev->allocationBlock = yaffs_FindBlockForAllocation(dev); +- dev->allocationPage = 0; +- } +- +- if (!useReserve && !yaffs_CheckSpaceForAllocation(dev)) { +- /* Not enough space to allocate unless we're allowed to use the reserve. */ +- return -1; +- } +- +- if (dev->nErasedBlocks < dev->nReservedBlocks +- && dev->allocationPage == 0) { +- T(YAFFS_TRACE_ALLOCATE, (TSTR("Allocating reserve" TENDSTR))); +- } +- +- /* Next page please.... */ +- if (dev->allocationBlock >= 0) { +- bi = yaffs_GetBlockInfo(dev, dev->allocationBlock); +- +- retVal = (dev->allocationBlock * dev->nChunksPerBlock) + +- dev->allocationPage; +- bi->pagesInUse++; +- yaffs_SetChunkBit(dev, dev->allocationBlock, +- dev->allocationPage); +- +- dev->allocationPage++; +- +- dev->nFreeChunks--; +- +- /* If the block is full set the state to full */ +- if (dev->allocationPage >= dev->nChunksPerBlock) { +- bi->blockState = YAFFS_BLOCK_STATE_FULL; +- dev->allocationBlock = -1; +- } +- +- if (blockUsedPtr) +- *blockUsedPtr = bi; +- +- return retVal; +- } +- +- T(YAFFS_TRACE_ERROR, +- (TSTR("!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!" TENDSTR))); +- +- return -1; +-} +- +-static int yaffs_GetErasedChunks(yaffs_Device *dev) +-{ +- int n; +- +- n = dev->nErasedBlocks * dev->nChunksPerBlock; +- +- if (dev->allocationBlock > 0) +- n += (dev->nChunksPerBlock - dev->allocationPage); +- +- return n; +- +-} +- +-static int yaffs_GarbageCollectBlock(yaffs_Device *dev, int block, +- int wholeBlock) +-{ +- int oldChunk; +- int newChunk; +- int markNAND; +- int retVal = YAFFS_OK; +- int cleanups = 0; +- int i; +- int isCheckpointBlock; +- int matchingChunk; +- int maxCopies; +- +- int chunksBefore = yaffs_GetErasedChunks(dev); +- int chunksAfter; +- +- yaffs_ExtendedTags tags; +- +- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, block); +- +- yaffs_Object *object; +- +- isCheckpointBlock = (bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT); +- +- bi->blockState = YAFFS_BLOCK_STATE_COLLECTING; +- +- T(YAFFS_TRACE_TRACING, +- (TSTR("Collecting block %d, in use %d, shrink %d, wholeBlock %d" TENDSTR), +- block, +- bi->pagesInUse, +- bi->hasShrinkHeader, +- wholeBlock)); +- +- /*yaffs_VerifyFreeChunks(dev); */ +- +- bi->hasShrinkHeader = 0; /* clear the flag so that the block can erase */ +- +- /* Take off the number of soft deleted entries because +- * they're going to get really deleted during GC. +- */ +- dev->nFreeChunks -= bi->softDeletions; +- +- dev->isDoingGC = 1; +- +- if (isCheckpointBlock || +- !yaffs_StillSomeChunkBits(dev, block)) { +- T(YAFFS_TRACE_TRACING, +- (TSTR +- ("Collecting block %d that has no chunks in use" TENDSTR), +- block)); +- yaffs_BlockBecameDirty(dev, block); +- } else { +- +- __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__); +- +- yaffs_VerifyBlock(dev, bi, block); +- +- maxCopies = (wholeBlock) ? dev->nChunksPerBlock : 10; +- oldChunk = block * dev->nChunksPerBlock + dev->gcChunk; +- +- for (/* init already done */; +- retVal == YAFFS_OK && +- dev->gcChunk < dev->nChunksPerBlock && +- (bi->blockState == YAFFS_BLOCK_STATE_COLLECTING) && +- maxCopies > 0; +- dev->gcChunk++, oldChunk++) { +- if (yaffs_CheckChunkBit(dev, block, dev->gcChunk)) { +- +- /* This page is in use and might need to be copied off */ +- +- maxCopies--; +- +- markNAND = 1; +- +- yaffs_InitialiseTags(&tags); +- +- yaffs_ReadChunkWithTagsFromNAND(dev, oldChunk, +- buffer, &tags); +- +- object = +- yaffs_FindObjectByNumber(dev, +- tags.objectId); +- +- T(YAFFS_TRACE_GC_DETAIL, +- (TSTR +- ("Collecting chunk in block %d, %d %d %d " TENDSTR), +- dev->gcChunk, tags.objectId, tags.chunkId, +- tags.byteCount)); +- +- if (object && !yaffs_SkipVerification(dev)) { +- if (tags.chunkId == 0) +- matchingChunk = object->hdrChunk; +- else if (object->softDeleted) +- matchingChunk = oldChunk; /* Defeat the test */ +- else +- matchingChunk = yaffs_FindChunkInFile(object, tags.chunkId, NULL); +- +- if (oldChunk != matchingChunk) +- T(YAFFS_TRACE_ERROR, +- (TSTR("gc: page in gc mismatch: %d %d %d %d"TENDSTR), +- oldChunk, matchingChunk, tags.objectId, tags.chunkId)); +- +- } +- +- if (!object) { +- T(YAFFS_TRACE_ERROR, +- (TSTR +- ("page %d in gc has no object: %d %d %d " +- TENDSTR), oldChunk, +- tags.objectId, tags.chunkId, tags.byteCount)); +- } +- +- if (object && +- object->deleted && +- object->softDeleted && +- tags.chunkId != 0) { +- /* Data chunk in a soft deleted file, throw it away +- * It's a soft deleted data chunk, +- * No need to copy this, just forget about it and +- * fix up the object. +- */ +- +- object->nDataChunks--; +- +- if (object->nDataChunks <= 0) { +- /* remeber to clean up the object */ +- dev->gcCleanupList[cleanups] = +- tags.objectId; +- cleanups++; +- } +- markNAND = 0; +- } else if (0) { +- /* Todo object && object->deleted && object->nDataChunks == 0 */ +- /* Deleted object header with no data chunks. +- * Can be discarded and the file deleted. +- */ +- object->hdrChunk = 0; +- yaffs_FreeTnode(object->myDev, +- object->variant. +- fileVariant.top); +- object->variant.fileVariant.top = NULL; +- yaffs_DoGenericObjectDeletion(object); +- +- } else if (object) { +- /* It's either a data chunk in a live file or +- * an ObjectHeader, so we're interested in it. +- * NB Need to keep the ObjectHeaders of deleted files +- * until the whole file has been deleted off +- */ +- tags.serialNumber++; +- +- dev->nGCCopies++; +- +- if (tags.chunkId == 0) { +- /* It is an object Id, +- * We need to nuke the shrinkheader flags first +- * We no longer want the shrinkHeader flag since its work is done +- * and if it is left in place it will mess up scanning. +- */ +- +- yaffs_ObjectHeader *oh; +- oh = (yaffs_ObjectHeader *)buffer; +- oh->isShrink = 0; +- tags.extraIsShrinkHeader = 0; +- +- yaffs_VerifyObjectHeader(object, oh, &tags, 1); +- } +- +- newChunk = +- yaffs_WriteNewChunkWithTagsToNAND(dev, buffer, &tags, 1); +- +- if (newChunk < 0) { +- retVal = YAFFS_FAIL; +- } else { +- +- /* Ok, now fix up the Tnodes etc. */ +- +- if (tags.chunkId == 0) { +- /* It's a header */ +- object->hdrChunk = newChunk; +- object->serial = tags.serialNumber; +- } else { +- /* It's a data chunk */ +- yaffs_PutChunkIntoFile +- (object, +- tags.chunkId, +- newChunk, 0); +- } +- } +- } +- +- if (retVal == YAFFS_OK) +- yaffs_DeleteChunk(dev, oldChunk, markNAND, __LINE__); +- +- } +- } +- +- yaffs_ReleaseTempBuffer(dev, buffer, __LINE__); +- +- +- /* Do any required cleanups */ +- for (i = 0; i < cleanups; i++) { +- /* Time to delete the file too */ +- object = +- yaffs_FindObjectByNumber(dev, +- dev->gcCleanupList[i]); +- if (object) { +- yaffs_FreeTnode(dev, +- object->variant.fileVariant. +- top); +- object->variant.fileVariant.top = NULL; +- T(YAFFS_TRACE_GC, +- (TSTR +- ("yaffs: About to finally delete object %d" +- TENDSTR), object->objectId)); +- yaffs_DoGenericObjectDeletion(object); +- object->myDev->nDeletedFiles--; +- } +- +- } +- +- } +- +- yaffs_VerifyCollectedBlock(dev, bi, block); +- +- chunksAfter = yaffs_GetErasedChunks(dev); +- if (chunksBefore >= chunksAfter) { +- T(YAFFS_TRACE_GC, +- (TSTR +- ("gc did not increase free chunks before %d after %d" +- TENDSTR), chunksBefore, chunksAfter)); +- } +- +- /* If the gc completed then clear the current gcBlock so that we find another. */ +- if (bi->blockState != YAFFS_BLOCK_STATE_COLLECTING) { +- dev->gcBlock = -1; +- dev->gcChunk = 0; +- } +- +- dev->isDoingGC = 0; +- +- return retVal; +-} +- +-/* New garbage collector +- * If we're very low on erased blocks then we do aggressive garbage collection +- * otherwise we do "leasurely" garbage collection. +- * Aggressive gc looks further (whole array) and will accept less dirty blocks. +- * Passive gc only inspects smaller areas and will only accept more dirty blocks. +- * +- * The idea is to help clear out space in a more spread-out manner. +- * Dunno if it really does anything useful. +- */ +-static int yaffs_CheckGarbageCollection(yaffs_Device *dev) +-{ +- int block; +- int aggressive; +- int gcOk = YAFFS_OK; +- int maxTries = 0; +- +- int checkpointBlockAdjust; +- +- if (dev->isDoingGC) { +- /* Bail out so we don't get recursive gc */ +- return YAFFS_OK; +- } +- +- /* This loop should pass the first time. +- * We'll only see looping here if the erase of the collected block fails. +- */ +- +- do { +- maxTries++; +- +- checkpointBlockAdjust = yaffs_CalcCheckpointBlocksRequired(dev) - dev->blocksInCheckpoint; +- if (checkpointBlockAdjust < 0) +- checkpointBlockAdjust = 0; +- +- if (dev->nErasedBlocks < (dev->nReservedBlocks + checkpointBlockAdjust + 2)) { +- /* We need a block soon...*/ +- aggressive = 1; +- } else { +- /* We're in no hurry */ +- aggressive = 0; +- } +- +- if (dev->gcBlock <= 0) { +- dev->gcBlock = yaffs_FindBlockForGarbageCollection(dev, aggressive); +- dev->gcChunk = 0; +- } +- +- block = dev->gcBlock; +- +- if (block > 0) { +- dev->garbageCollections++; +- if (!aggressive) +- dev->passiveGarbageCollections++; +- +- T(YAFFS_TRACE_GC, +- (TSTR +- ("yaffs: GC erasedBlocks %d aggressive %d" TENDSTR), +- dev->nErasedBlocks, aggressive)); +- +- gcOk = yaffs_GarbageCollectBlock(dev, block, aggressive); +- } +- +- if (dev->nErasedBlocks < (dev->nReservedBlocks) && block > 0) { +- T(YAFFS_TRACE_GC, +- (TSTR +- ("yaffs: GC !!!no reclaim!!! erasedBlocks %d after try %d block %d" +- TENDSTR), dev->nErasedBlocks, maxTries, block)); +- } +- } while ((dev->nErasedBlocks < dev->nReservedBlocks) && +- (block > 0) && +- (maxTries < 2)); +- +- return aggressive ? gcOk : YAFFS_OK; +-} +- +-/*------------------------- TAGS --------------------------------*/ +- +-static int yaffs_TagsMatch(const yaffs_ExtendedTags *tags, int objectId, +- int chunkInObject) +-{ +- return (tags->chunkId == chunkInObject && +- tags->objectId == objectId && !tags->chunkDeleted) ? 1 : 0; +- +-} +- +- +-/*-------------------- Data file manipulation -----------------*/ +- +-static int yaffs_FindChunkInFile(yaffs_Object *in, int chunkInInode, +- yaffs_ExtendedTags *tags) +-{ +- /*Get the Tnode, then get the level 0 offset chunk offset */ +- yaffs_Tnode *tn; +- int theChunk = -1; +- yaffs_ExtendedTags localTags; +- int retVal = -1; +- +- yaffs_Device *dev = in->myDev; +- +- if (!tags) { +- /* Passed a NULL, so use our own tags space */ +- tags = &localTags; +- } +- +- tn = yaffs_FindLevel0Tnode(dev, &in->variant.fileVariant, chunkInInode); +- +- if (tn) { +- theChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode); +- +- retVal = +- yaffs_FindChunkInGroup(dev, theChunk, tags, in->objectId, +- chunkInInode); +- } +- return retVal; +-} +- +-static int yaffs_FindAndDeleteChunkInFile(yaffs_Object *in, int chunkInInode, +- yaffs_ExtendedTags *tags) +-{ +- /* Get the Tnode, then get the level 0 offset chunk offset */ +- yaffs_Tnode *tn; +- int theChunk = -1; +- yaffs_ExtendedTags localTags; +- +- yaffs_Device *dev = in->myDev; +- int retVal = -1; +- +- if (!tags) { +- /* Passed a NULL, so use our own tags space */ +- tags = &localTags; +- } +- +- tn = yaffs_FindLevel0Tnode(dev, &in->variant.fileVariant, chunkInInode); +- +- if (tn) { +- +- theChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode); +- +- retVal = +- yaffs_FindChunkInGroup(dev, theChunk, tags, in->objectId, +- chunkInInode); +- +- /* Delete the entry in the filestructure (if found) */ +- if (retVal != -1) +- yaffs_PutLevel0Tnode(dev, tn, chunkInInode, 0); +- } +- +- return retVal; +-} +- +-#ifdef YAFFS_PARANOID +- +-static int yaffs_CheckFileSanity(yaffs_Object *in) +-{ +- int chunk; +- int nChunks; +- int fSize; +- int failed = 0; +- int objId; +- yaffs_Tnode *tn; +- yaffs_Tags localTags; +- yaffs_Tags *tags = &localTags; +- int theChunk; +- int chunkDeleted; +- +- if (in->variantType != YAFFS_OBJECT_TYPE_FILE) +- return YAFFS_FAIL; +- +- objId = in->objectId; +- fSize = in->variant.fileVariant.fileSize; +- nChunks = +- (fSize + in->myDev->nDataBytesPerChunk - 1) / in->myDev->nDataBytesPerChunk; +- +- for (chunk = 1; chunk <= nChunks; chunk++) { +- tn = yaffs_FindLevel0Tnode(in->myDev, &in->variant.fileVariant, +- chunk); +- +- if (tn) { +- +- theChunk = yaffs_GetChunkGroupBase(dev, tn, chunk); +- +- if (yaffs_CheckChunkBits +- (dev, theChunk / dev->nChunksPerBlock, +- theChunk % dev->nChunksPerBlock)) { +- +- yaffs_ReadChunkTagsFromNAND(in->myDev, theChunk, +- tags, +- &chunkDeleted); +- if (yaffs_TagsMatch +- (tags, in->objectId, chunk, chunkDeleted)) { +- /* found it; */ +- +- } +- } else { +- +- failed = 1; +- } +- +- } else { +- /* T(("No level 0 found for %d\n", chunk)); */ +- } +- } +- +- return failed ? YAFFS_FAIL : YAFFS_OK; +-} +- +-#endif +- +-static int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode, +- int chunkInNAND, int inScan) +-{ +- /* NB inScan is zero unless scanning. +- * For forward scanning, inScan is > 0; +- * for backward scanning inScan is < 0 +- */ +- +- yaffs_Tnode *tn; +- yaffs_Device *dev = in->myDev; +- int existingChunk; +- yaffs_ExtendedTags existingTags; +- yaffs_ExtendedTags newTags; +- unsigned existingSerial, newSerial; +- +- if (in->variantType != YAFFS_OBJECT_TYPE_FILE) { +- /* Just ignore an attempt at putting a chunk into a non-file during scanning +- * If it is not during Scanning then something went wrong! +- */ +- if (!inScan) { +- T(YAFFS_TRACE_ERROR, +- (TSTR +- ("yaffs tragedy:attempt to put data chunk into a non-file" +- TENDSTR))); +- YBUG(); +- } +- +- yaffs_DeleteChunk(dev, chunkInNAND, 1, __LINE__); +- return YAFFS_OK; +- } +- +- tn = yaffs_AddOrFindLevel0Tnode(dev, +- &in->variant.fileVariant, +- chunkInInode, +- NULL); +- if (!tn) +- return YAFFS_FAIL; +- +- existingChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode); +- +- if (inScan != 0) { +- /* If we're scanning then we need to test for duplicates +- * NB This does not need to be efficient since it should only ever +- * happen when the power fails during a write, then only one +- * chunk should ever be affected. +- * +- * Correction for YAFFS2: This could happen quite a lot and we need to think about efficiency! TODO +- * Update: For backward scanning we don't need to re-read tags so this is quite cheap. +- */ +- +- if (existingChunk > 0) { +- /* NB Right now existing chunk will not be real chunkId if the device >= 32MB +- * thus we have to do a FindChunkInFile to get the real chunk id. +- * +- * We have a duplicate now we need to decide which one to use: +- * +- * Backwards scanning YAFFS2: The old one is what we use, dump the new one. +- * Forward scanning YAFFS2: The new one is what we use, dump the old one. +- * YAFFS1: Get both sets of tags and compare serial numbers. +- */ +- +- if (inScan > 0) { +- /* Only do this for forward scanning */ +- yaffs_ReadChunkWithTagsFromNAND(dev, +- chunkInNAND, +- NULL, &newTags); +- +- /* Do a proper find */ +- existingChunk = +- yaffs_FindChunkInFile(in, chunkInInode, +- &existingTags); +- } +- +- if (existingChunk <= 0) { +- /*Hoosterman - how did this happen? */ +- +- T(YAFFS_TRACE_ERROR, +- (TSTR +- ("yaffs tragedy: existing chunk < 0 in scan" +- TENDSTR))); +- +- } +- +- /* NB The deleted flags should be false, otherwise the chunks will +- * not be loaded during a scan +- */ +- +- if (inScan > 0) { +- newSerial = newTags.serialNumber; +- existingSerial = existingTags.serialNumber; +- } +- +- if ((inScan > 0) && +- (in->myDev->isYaffs2 || +- existingChunk <= 0 || +- ((existingSerial + 1) & 3) == newSerial)) { +- /* Forward scanning. +- * Use new +- * Delete the old one and drop through to update the tnode +- */ +- yaffs_DeleteChunk(dev, existingChunk, 1, +- __LINE__); +- } else { +- /* Backward scanning or we want to use the existing one +- * Use existing. +- * Delete the new one and return early so that the tnode isn't changed +- */ +- yaffs_DeleteChunk(dev, chunkInNAND, 1, +- __LINE__); +- return YAFFS_OK; +- } +- } +- +- } +- +- if (existingChunk == 0) +- in->nDataChunks++; +- +- yaffs_PutLevel0Tnode(dev, tn, chunkInInode, chunkInNAND); +- +- return YAFFS_OK; +-} +- +-static int yaffs_ReadChunkDataFromObject(yaffs_Object *in, int chunkInInode, +- __u8 *buffer) +-{ +- int chunkInNAND = yaffs_FindChunkInFile(in, chunkInInode, NULL); +- +- if (chunkInNAND >= 0) +- return yaffs_ReadChunkWithTagsFromNAND(in->myDev, chunkInNAND, +- buffer, NULL); +- else { +- T(YAFFS_TRACE_NANDACCESS, +- (TSTR("Chunk %d not found zero instead" TENDSTR), +- chunkInNAND)); +- /* get sane (zero) data if you read a hole */ +- memset(buffer, 0, in->myDev->nDataBytesPerChunk); +- return 0; +- } +- +-} +- +-void yaffs_DeleteChunk(yaffs_Device *dev, int chunkId, int markNAND, int lyn) +-{ +- int block; +- int page; +- yaffs_ExtendedTags tags; +- yaffs_BlockInfo *bi; +- +- if (chunkId <= 0) +- return; +- +- dev->nDeletions++; +- block = chunkId / dev->nChunksPerBlock; +- page = chunkId % dev->nChunksPerBlock; +- +- +- if (!yaffs_CheckChunkBit(dev, block, page)) +- T(YAFFS_TRACE_VERIFY, +- (TSTR("Deleting invalid chunk %d"TENDSTR), +- chunkId)); +- +- bi = yaffs_GetBlockInfo(dev, block); +- +- T(YAFFS_TRACE_DELETION, +- (TSTR("line %d delete of chunk %d" TENDSTR), lyn, chunkId)); +- +- if (markNAND && +- bi->blockState != YAFFS_BLOCK_STATE_COLLECTING && !dev->isYaffs2) { +- +- yaffs_InitialiseTags(&tags); +- +- tags.chunkDeleted = 1; +- +- yaffs_WriteChunkWithTagsToNAND(dev, chunkId, NULL, &tags); +- yaffs_HandleUpdateChunk(dev, chunkId, &tags); +- } else { +- dev->nUnmarkedDeletions++; +- } +- +- /* Pull out of the management area. +- * If the whole block became dirty, this will kick off an erasure. +- */ +- if (bi->blockState == YAFFS_BLOCK_STATE_ALLOCATING || +- bi->blockState == YAFFS_BLOCK_STATE_FULL || +- bi->blockState == YAFFS_BLOCK_STATE_NEEDS_SCANNING || +- bi->blockState == YAFFS_BLOCK_STATE_COLLECTING) { +- dev->nFreeChunks++; +- +- yaffs_ClearChunkBit(dev, block, page); +- +- bi->pagesInUse--; +- +- if (bi->pagesInUse == 0 && +- !bi->hasShrinkHeader && +- bi->blockState != YAFFS_BLOCK_STATE_ALLOCATING && +- bi->blockState != YAFFS_BLOCK_STATE_NEEDS_SCANNING) { +- yaffs_BlockBecameDirty(dev, block); +- } +- +- } +- +-} +- +-static int yaffs_WriteChunkDataToObject(yaffs_Object *in, int chunkInInode, +- const __u8 *buffer, int nBytes, +- int useReserve) +-{ +- /* Find old chunk Need to do this to get serial number +- * Write new one and patch into tree. +- * Invalidate old tags. +- */ +- +- int prevChunkId; +- yaffs_ExtendedTags prevTags; +- +- int newChunkId; +- yaffs_ExtendedTags newTags; +- +- yaffs_Device *dev = in->myDev; +- +- yaffs_CheckGarbageCollection(dev); +- +- /* Get the previous chunk at this location in the file if it exists */ +- prevChunkId = yaffs_FindChunkInFile(in, chunkInInode, &prevTags); +- +- /* Set up new tags */ +- yaffs_InitialiseTags(&newTags); +- +- newTags.chunkId = chunkInInode; +- newTags.objectId = in->objectId; +- newTags.serialNumber = +- (prevChunkId >= 0) ? prevTags.serialNumber + 1 : 1; +- newTags.byteCount = nBytes; +- +- if (nBytes < 1 || nBytes > dev->totalBytesPerChunk) { +- T(YAFFS_TRACE_ERROR, +- (TSTR("Writing %d bytes to chunk!!!!!!!!!" TENDSTR), nBytes)); +- YBUG(); +- } +- +- newChunkId = +- yaffs_WriteNewChunkWithTagsToNAND(dev, buffer, &newTags, +- useReserve); +- +- if (newChunkId >= 0) { +- yaffs_PutChunkIntoFile(in, chunkInInode, newChunkId, 0); +- +- if (prevChunkId >= 0) +- yaffs_DeleteChunk(dev, prevChunkId, 1, __LINE__); +- +- yaffs_CheckFileSanity(in); +- } +- return newChunkId; +- +-} +- +-/* UpdateObjectHeader updates the header on NAND for an object. +- * If name is not NULL, then that new name is used. +- */ +-int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name, int force, +- int isShrink, int shadows) +-{ +- +- yaffs_BlockInfo *bi; +- +- yaffs_Device *dev = in->myDev; +- +- int prevChunkId; +- int retVal = 0; +- int result = 0; +- +- int newChunkId; +- yaffs_ExtendedTags newTags; +- yaffs_ExtendedTags oldTags; +- +- __u8 *buffer = NULL; +- YCHAR oldName[YAFFS_MAX_NAME_LENGTH + 1]; +- +- yaffs_ObjectHeader *oh = NULL; ++ yaffs_obj_t *in; ++ YCHAR *str = NULL; + +- yaffs_strcpy(oldName, _Y("silly old name")); ++ yaffs_dev_t *dev = parent->my_dev; + ++ /* Check if the entry exists. If it does then fail the call since we don't want a dup.*/ ++ if (yaffs_find_by_name(parent, name)) ++ return NULL; + +- if (!in->fake || +- in == dev->rootDir || /* The rootDir should also be saved */ +- force) { ++ if (type == YAFFS_OBJECT_TYPE_SYMLINK) { ++ str = yaffs_clone_str(aliasString); ++ if (!str) ++ return NULL; ++ } + +- yaffs_CheckGarbageCollection(dev); +- yaffs_CheckObjectDetailsLoaded(in); ++ in = yaffs_new_obj(dev, -1, type); + +- buffer = yaffs_GetTempBuffer(in->myDev, __LINE__); +- oh = (yaffs_ObjectHeader *) buffer; ++ if (!in){ ++ if(str) ++ YFREE(str); ++ return NULL; ++ } + +- prevChunkId = in->hdrChunk; + +- if (prevChunkId > 0) { +- result = yaffs_ReadChunkWithTagsFromNAND(dev, prevChunkId, +- buffer, &oldTags); + +- yaffs_VerifyObjectHeader(in, oh, &oldTags, 0); + +- memcpy(oldName, oh->name, sizeof(oh->name)); +- } + +- memset(buffer, 0xFF, dev->nDataBytesPerChunk); ++ if (in) { ++ in->hdr_chunk = 0; ++ in->valid = 1; ++ in->variant_type = type; + +- oh->type = in->variantType; +- oh->yst_mode = in->yst_mode; +- oh->shadowsObject = oh->inbandShadowsObject = shadows; ++ in->yst_mode = mode; + + #ifdef CONFIG_YAFFS_WINCE +- oh->win_atime[0] = in->win_atime[0]; +- oh->win_ctime[0] = in->win_ctime[0]; +- oh->win_mtime[0] = in->win_mtime[0]; +- oh->win_atime[1] = in->win_atime[1]; +- oh->win_ctime[1] = in->win_ctime[1]; +- oh->win_mtime[1] = in->win_mtime[1]; ++ yfsd_win_file_time_now(in->win_atime); ++ in->win_ctime[0] = in->win_mtime[0] = in->win_atime[0]; ++ in->win_ctime[1] = in->win_mtime[1] = in->win_atime[1]; ++ + #else +- oh->yst_uid = in->yst_uid; +- oh->yst_gid = in->yst_gid; +- oh->yst_atime = in->yst_atime; +- oh->yst_mtime = in->yst_mtime; +- oh->yst_ctime = in->yst_ctime; +- oh->yst_rdev = in->yst_rdev; ++ in->yst_atime = in->yst_mtime = in->yst_ctime = Y_CURRENT_TIME; ++ ++ in->yst_rdev = rdev; ++ in->yst_uid = uid; ++ in->yst_gid = gid; + #endif +- if (in->parent) +- oh->parentObjectId = in->parent->objectId; +- else +- oh->parentObjectId = 0; ++ in->n_data_chunks = 0; + +- if (name && *name) { +- memset(oh->name, 0, sizeof(oh->name)); +- yaffs_strncpy(oh->name, name, YAFFS_MAX_NAME_LENGTH); +- } else if (prevChunkId >= 0) +- memcpy(oh->name, oldName, sizeof(oh->name)); +- else +- memset(oh->name, 0, sizeof(oh->name)); ++ yaffs_set_obj_name(in, name); ++ in->dirty = 1; + +- oh->isShrink = isShrink; ++ yaffs_add_obj_to_dir(parent, in); + +- switch (in->variantType) { +- case YAFFS_OBJECT_TYPE_UNKNOWN: +- /* Should not happen */ +- break; +- case YAFFS_OBJECT_TYPE_FILE: +- oh->fileSize = +- (oh->parentObjectId == YAFFS_OBJECTID_DELETED +- || oh->parentObjectId == +- YAFFS_OBJECTID_UNLINKED) ? 0 : in->variant. +- fileVariant.fileSize; ++ in->my_dev = parent->my_dev; ++ ++ switch (type) { ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ in->variant.symlink_variant.alias = str; + break; + case YAFFS_OBJECT_TYPE_HARDLINK: +- oh->equivalentObjectId = +- in->variant.hardLinkVariant.equivalentObjectId; +- break; +- case YAFFS_OBJECT_TYPE_SPECIAL: +- /* Do nothing */ ++ in->variant.hardlink_variant.equiv_obj = ++ equiv_obj; ++ in->variant.hardlink_variant.equiv_id = ++ equiv_obj->obj_id; ++ ylist_add(&in->hard_links, &equiv_obj->hard_links); + break; ++ case YAFFS_OBJECT_TYPE_FILE: + case YAFFS_OBJECT_TYPE_DIRECTORY: +- /* Do nothing */ +- break; +- case YAFFS_OBJECT_TYPE_SYMLINK: +- yaffs_strncpy(oh->alias, +- in->variant.symLinkVariant.alias, +- YAFFS_MAX_ALIAS_LENGTH); +- oh->alias[YAFFS_MAX_ALIAS_LENGTH] = 0; ++ case YAFFS_OBJECT_TYPE_SPECIAL: ++ case YAFFS_OBJECT_TYPE_UNKNOWN: ++ /* do nothing */ + break; + } + +- /* Tags */ +- yaffs_InitialiseTags(&newTags); +- in->serial++; +- newTags.chunkId = 0; +- newTags.objectId = in->objectId; +- newTags.serialNumber = in->serial; +- +- /* Add extra info for file header */ +- +- newTags.extraHeaderInfoAvailable = 1; +- newTags.extraParentObjectId = oh->parentObjectId; +- newTags.extraFileLength = oh->fileSize; +- newTags.extraIsShrinkHeader = oh->isShrink; +- newTags.extraEquivalentObjectId = oh->equivalentObjectId; +- newTags.extraShadows = (oh->shadowsObject > 0) ? 1 : 0; +- newTags.extraObjectType = in->variantType; +- +- yaffs_VerifyObjectHeader(in, oh, &newTags, 1); +- +- /* Create new chunk in NAND */ +- newChunkId = +- yaffs_WriteNewChunkWithTagsToNAND(dev, buffer, &newTags, +- (prevChunkId >= 0) ? 1 : 0); +- +- if (newChunkId >= 0) { +- +- in->hdrChunk = newChunkId; +- +- if (prevChunkId >= 0) { +- yaffs_DeleteChunk(dev, prevChunkId, 1, +- __LINE__); +- } +- +- if (!yaffs_ObjectHasCachedWriteData(in)) +- in->dirty = 0; +- +- /* If this was a shrink, then mark the block that the chunk lives on */ +- if (isShrink) { +- bi = yaffs_GetBlockInfo(in->myDev, +- newChunkId / in->myDev->nChunksPerBlock); +- bi->hasShrinkHeader = 1; +- } +- ++ if (yaffs_update_oh(in, name, 0, 0, 0, NULL) < 0) { ++ /* Could not create the object header, fail the creation */ ++ yaffs_del_obj(in); ++ in = NULL; + } + +- retVal = newChunkId; +- ++ yaffs_update_parent(parent); + } + +- if (buffer) +- yaffs_ReleaseTempBuffer(dev, buffer, __LINE__); +- +- return retVal; ++ return in; + } + +-/*------------------------ Short Operations Cache ---------------------------------------- +- * In many situations where there is no high level buffering (eg WinCE) a lot of +- * reads might be short sequential reads, and a lot of writes may be short +- * sequential writes. eg. scanning/writing a jpeg file. +- * In these cases, a short read/write cache can provide a huge perfomance benefit +- * with dumb-as-a-rock code. +- * In Linux, the page cache provides read buffering aand the short op cache provides write +- * buffering. +- * +- * There are a limited number (~10) of cache chunks per device so that we don't +- * need a very intelligent search. +- */ +- +-static int yaffs_ObjectHasCachedWriteData(yaffs_Object *obj) ++yaffs_obj_t *yaffs_create_file(yaffs_obj_t *parent, const YCHAR *name, ++ __u32 mode, __u32 uid, __u32 gid) + { +- yaffs_Device *dev = obj->myDev; +- int i; +- yaffs_ChunkCache *cache; +- int nCaches = obj->myDev->nShortOpCaches; +- +- for (i = 0; i < nCaches; i++) { +- cache = &dev->srCache[i]; +- if (cache->object == obj && +- cache->dirty) +- return 1; +- } ++ return yaffs_create_obj(YAFFS_OBJECT_TYPE_FILE, parent, name, mode, ++ uid, gid, NULL, NULL, 0); ++} + +- return 0; ++yaffs_obj_t *yaffs_create_dir(yaffs_obj_t *parent, const YCHAR *name, ++ __u32 mode, __u32 uid, __u32 gid) ++{ ++ return yaffs_create_obj(YAFFS_OBJECT_TYPE_DIRECTORY, parent, name, ++ mode, uid, gid, NULL, NULL, 0); + } + ++yaffs_obj_t *yaffs_create_special(yaffs_obj_t *parent, const YCHAR *name, ++ __u32 mode, __u32 uid, __u32 gid, __u32 rdev) ++{ ++ return yaffs_create_obj(YAFFS_OBJECT_TYPE_SPECIAL, parent, name, mode, ++ uid, gid, NULL, NULL, rdev); ++} + +-static void yaffs_FlushFilesChunkCache(yaffs_Object *obj) ++yaffs_obj_t *yaffs_create_symlink(yaffs_obj_t *parent, const YCHAR *name, ++ __u32 mode, __u32 uid, __u32 gid, ++ const YCHAR *alias) + { +- yaffs_Device *dev = obj->myDev; +- int lowest = -99; /* Stop compiler whining. */ +- int i; +- yaffs_ChunkCache *cache; +- int chunkWritten = 0; +- int nCaches = obj->myDev->nShortOpCaches; ++ return yaffs_create_obj(YAFFS_OBJECT_TYPE_SYMLINK, parent, name, mode, ++ uid, gid, NULL, alias, 0); ++} + +- if (nCaches > 0) { +- do { +- cache = NULL; ++/* yaffs_link_obj returns the object id of the equivalent object.*/ ++yaffs_obj_t *yaffs_link_obj(yaffs_obj_t *parent, const YCHAR *name, ++ yaffs_obj_t *equiv_obj) ++{ ++ /* Get the real object in case we were fed a hard link as an equivalent object */ ++ equiv_obj = yaffs_get_equivalent_obj(equiv_obj); + +- /* Find the dirty cache for this object with the lowest chunk id. */ +- for (i = 0; i < nCaches; i++) { +- if (dev->srCache[i].object == obj && +- dev->srCache[i].dirty) { +- if (!cache +- || dev->srCache[i].chunkId < +- lowest) { +- cache = &dev->srCache[i]; +- lowest = cache->chunkId; +- } +- } +- } ++ if (yaffs_create_obj ++ (YAFFS_OBJECT_TYPE_HARDLINK, parent, name, 0, 0, 0, ++ equiv_obj, NULL, 0)) { ++ return equiv_obj; ++ } else { ++ return NULL; ++ } + +- if (cache && !cache->locked) { +- /* Write it out and free it up */ ++} + +- chunkWritten = +- yaffs_WriteChunkDataToObject(cache->object, +- cache->chunkId, +- cache->data, +- cache->nBytes, +- 1); +- cache->dirty = 0; +- cache->object = NULL; +- } ++static int yaffs_change_obj_name(yaffs_obj_t *obj, yaffs_obj_t *new_dir, ++ const YCHAR *new_name, int force, int shadows) ++{ ++ int unlinkOp; ++ int deleteOp; + +- } while (cache && chunkWritten > 0); ++ yaffs_obj_t *existingTarget; + +- if (cache) { +- /* Hoosterman, disk full while writing cache out. */ +- T(YAFFS_TRACE_ERROR, +- (TSTR("yaffs tragedy: no space during cache write" TENDSTR))); ++ if (new_dir == NULL) ++ new_dir = obj->parent; /* use the old directory */ + +- } ++ if (new_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR ++ ("tragedy: yaffs_change_obj_name: new_dir is not a directory" ++ TENDSTR))); ++ YBUG(); + } + +-} ++ /* TODO: Do we need this different handling for YAFFS2 and YAFFS1?? */ ++ if (obj->my_dev->param.is_yaffs2) ++ unlinkOp = (new_dir == obj->my_dev->unlinked_dir); ++ else ++ unlinkOp = (new_dir == obj->my_dev->unlinked_dir ++ && obj->variant_type == YAFFS_OBJECT_TYPE_FILE); + +-/*yaffs_FlushEntireDeviceCache(dev) +- * +- * +- */ ++ deleteOp = (new_dir == obj->my_dev->del_dir); + +-void yaffs_FlushEntireDeviceCache(yaffs_Device *dev) +-{ +- yaffs_Object *obj; +- int nCaches = dev->nShortOpCaches; +- int i; ++ existingTarget = yaffs_find_by_name(new_dir, new_name); + +- /* Find a dirty object in the cache and flush it... +- * until there are no further dirty objects. ++ /* If the object is a file going into the unlinked directory, ++ * then it is OK to just stuff it in since duplicate names are allowed. ++ * else only proceed if the new name does not exist and if we're putting ++ * it into a directory. + */ +- do { +- obj = NULL; +- for (i = 0; i < nCaches && !obj; i++) { +- if (dev->srCache[i].object && +- dev->srCache[i].dirty) +- obj = dev->srCache[i].object; +- +- } +- if (obj) +- yaffs_FlushFilesChunkCache(obj); +- +- } while (obj); +- +-} ++ if ((unlinkOp || ++ deleteOp || ++ force || ++ (shadows > 0) || ++ !existingTarget) && ++ new_dir->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY) { ++ yaffs_set_obj_name(obj, new_name); ++ obj->dirty = 1; + ++ yaffs_add_obj_to_dir(new_dir, obj); + +-/* Grab us a cache chunk for use. +- * First look for an empty one. +- * Then look for the least recently used non-dirty one. +- * Then look for the least recently used dirty one...., flush and look again. +- */ +-static yaffs_ChunkCache *yaffs_GrabChunkCacheWorker(yaffs_Device *dev) +-{ +- int i; ++ if (unlinkOp) ++ obj->unlinked = 1; + +- if (dev->nShortOpCaches > 0) { +- for (i = 0; i < dev->nShortOpCaches; i++) { +- if (!dev->srCache[i].object) +- return &dev->srCache[i]; +- } ++ /* If it is a deletion then we mark it as a shrink for gc purposes. */ ++ if (yaffs_update_oh(obj, new_name, 0, deleteOp, shadows, NULL) >= 0) ++ return YAFFS_OK; + } + +- return NULL; ++ return YAFFS_FAIL; + } + +-static yaffs_ChunkCache *yaffs_GrabChunkCache(yaffs_Device *dev) ++int yaffs_rename_obj(yaffs_obj_t *old_dir, const YCHAR *old_name, ++ yaffs_obj_t *new_dir, const YCHAR *new_name) + { +- yaffs_ChunkCache *cache; +- yaffs_Object *theObj; +- int usage; +- int i; +- int pushout; +- +- if (dev->nShortOpCaches > 0) { +- /* Try find a non-dirty one... */ +- +- cache = yaffs_GrabChunkCacheWorker(dev); ++ yaffs_obj_t *obj = NULL; ++ yaffs_obj_t *existingTarget = NULL; ++ int force = 0; ++ int result; ++ yaffs_dev_t *dev; + +- if (!cache) { +- /* They were all dirty, find the last recently used object and flush +- * its cache, then find again. +- * NB what's here is not very accurate, we actually flush the object +- * the last recently used page. +- */ + +- /* With locking we can't assume we can use entry zero */ ++ if (!old_dir || old_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) ++ YBUG(); ++ if (!new_dir || new_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) ++ YBUG(); + +- theObj = NULL; +- usage = -1; +- cache = NULL; +- pushout = -1; ++ dev = old_dir->my_dev; + +- for (i = 0; i < dev->nShortOpCaches; i++) { +- if (dev->srCache[i].object && +- !dev->srCache[i].locked && +- (dev->srCache[i].lastUse < usage || !cache)) { +- usage = dev->srCache[i].lastUse; +- theObj = dev->srCache[i].object; +- cache = &dev->srCache[i]; +- pushout = i; +- } +- } ++#ifdef CONFIG_YAFFS_CASE_INSENSITIVE ++ /* Special case for case insemsitive systems (eg. WinCE). ++ * While look-up is case insensitive, the name isn't. ++ * Therefore we might want to change x.txt to X.txt ++ */ ++ if (old_dir == new_dir && yaffs_strcmp(old_name, new_name) == 0) ++ force = 1; ++#endif + +- if (!cache || cache->dirty) { +- /* Flush and try again */ +- yaffs_FlushFilesChunkCache(theObj); +- cache = yaffs_GrabChunkCacheWorker(dev); +- } ++ if(yaffs_strnlen(new_name,YAFFS_MAX_NAME_LENGTH+1) > YAFFS_MAX_NAME_LENGTH) ++ /* ENAMETOOLONG */ ++ return YAFFS_FAIL; + +- } +- return cache; +- } else +- return NULL; ++ obj = yaffs_find_by_name(old_dir, old_name); + +-} ++ if (obj && obj->rename_allowed) { + +-/* Find a cached chunk */ +-static yaffs_ChunkCache *yaffs_FindChunkCache(const yaffs_Object *obj, +- int chunkId) +-{ +- yaffs_Device *dev = obj->myDev; +- int i; +- if (dev->nShortOpCaches > 0) { +- for (i = 0; i < dev->nShortOpCaches; i++) { +- if (dev->srCache[i].object == obj && +- dev->srCache[i].chunkId == chunkId) { +- dev->cacheHits++; ++ /* Now do the handling for an existing target, if there is one */ + +- return &dev->srCache[i]; +- } ++ existingTarget = yaffs_find_by_name(new_dir, new_name); ++ if (existingTarget && ++ existingTarget->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY && ++ !ylist_empty(&existingTarget->variant.dir_variant.children)) { ++ /* There is a target that is a non-empty directory, so we fail */ ++ return YAFFS_FAIL; /* EEXIST or ENOTEMPTY */ ++ } else if (existingTarget && existingTarget != obj) { ++ /* Nuke the target first, using shadowing, ++ * but only if it isn't the same object. ++ * ++ * Note we must disable gc otherwise it can mess up the shadowing. ++ * ++ */ ++ dev->gc_disable=1; ++ yaffs_change_obj_name(obj, new_dir, new_name, force, ++ existingTarget->obj_id); ++ existingTarget->is_shadowed = 1; ++ yaffs_unlink_obj(existingTarget); ++ dev->gc_disable=0; + } ++ ++ result = yaffs_change_obj_name(obj, new_dir, new_name, 1, 0); ++ ++ yaffs_update_parent(old_dir); ++ if(new_dir != old_dir) ++ yaffs_update_parent(new_dir); ++ ++ return result; + } +- return NULL; ++ return YAFFS_FAIL; + } + +-/* Mark the chunk for the least recently used algorithym */ +-static void yaffs_UseChunkCache(yaffs_Device *dev, yaffs_ChunkCache *cache, +- int isAWrite) ++/*------------------------- Block Management and Page Allocation ----------------*/ ++ ++static int yaffs_init_blocks(yaffs_dev_t *dev) + { ++ int nBlocks = dev->internal_end_block - dev->internal_start_block + 1; + +- if (dev->nShortOpCaches > 0) { +- if (dev->srLastUse < 0 || dev->srLastUse > 100000000) { +- /* Reset the cache usages */ +- int i; +- for (i = 1; i < dev->nShortOpCaches; i++) +- dev->srCache[i].lastUse = 0; ++ dev->block_info = NULL; ++ dev->chunk_bits = NULL; + +- dev->srLastUse = 0; +- } ++ dev->alloc_block = -1; /* force it to get a new one */ + +- dev->srLastUse++; ++ /* If the first allocation strategy fails, thry the alternate one */ ++ dev->block_info = YMALLOC(nBlocks * sizeof(yaffs_block_info_t)); ++ if (!dev->block_info) { ++ dev->block_info = YMALLOC_ALT(nBlocks * sizeof(yaffs_block_info_t)); ++ dev->block_info_alt = 1; ++ } else ++ dev->block_info_alt = 0; + +- cache->lastUse = dev->srLastUse; ++ if (dev->block_info) { ++ /* Set up dynamic blockinfo stuff. */ ++ dev->chunk_bit_stride = (dev->param.chunks_per_block + 7) / 8; /* round up bytes */ ++ dev->chunk_bits = YMALLOC(dev->chunk_bit_stride * nBlocks); ++ if (!dev->chunk_bits) { ++ dev->chunk_bits = YMALLOC_ALT(dev->chunk_bit_stride * nBlocks); ++ dev->chunk_bits_alt = 1; ++ } else ++ dev->chunk_bits_alt = 0; ++ } + +- if (isAWrite) +- cache->dirty = 1; ++ if (dev->block_info && dev->chunk_bits) { ++ memset(dev->block_info, 0, nBlocks * sizeof(yaffs_block_info_t)); ++ memset(dev->chunk_bits, 0, dev->chunk_bit_stride * nBlocks); ++ return YAFFS_OK; + } ++ ++ return YAFFS_FAIL; + } + +-/* Invalidate a single cache page. +- * Do this when a whole page gets written, +- * ie the short cache for this page is no longer valid. +- */ +-static void yaffs_InvalidateChunkCache(yaffs_Object *object, int chunkId) ++static void yaffs_deinit_blocks(yaffs_dev_t *dev) + { +- if (object->myDev->nShortOpCaches > 0) { +- yaffs_ChunkCache *cache = yaffs_FindChunkCache(object, chunkId); ++ if (dev->block_info_alt && dev->block_info) ++ YFREE_ALT(dev->block_info); ++ else if (dev->block_info) ++ YFREE(dev->block_info); + +- if (cache) +- cache->object = NULL; +- } +-} ++ dev->block_info_alt = 0; + +-/* Invalidate all the cache pages associated with this object +- * Do this whenever ther file is deleted or resized. +- */ +-static void yaffs_InvalidateWholeChunkCache(yaffs_Object *in) +-{ +- int i; +- yaffs_Device *dev = in->myDev; ++ dev->block_info = NULL; + +- if (dev->nShortOpCaches > 0) { +- /* Invalidate it. */ +- for (i = 0; i < dev->nShortOpCaches; i++) { +- if (dev->srCache[i].object == in) +- dev->srCache[i].object = NULL; +- } +- } ++ if (dev->chunk_bits_alt && dev->chunk_bits) ++ YFREE_ALT(dev->chunk_bits); ++ else if (dev->chunk_bits) ++ YFREE(dev->chunk_bits); ++ dev->chunk_bits_alt = 0; ++ dev->chunk_bits = NULL; + } + +-/*--------------------- Checkpointing --------------------*/ ++void yaffs_block_became_dirty(yaffs_dev_t *dev, int block_no) ++{ ++ yaffs_block_info_t *bi = yaffs_get_block_info(dev, block_no); + ++ int erasedOk = 0; + +-static int yaffs_WriteCheckpointValidityMarker(yaffs_Device *dev, int head) +-{ +- yaffs_CheckpointValidity cp; ++ /* If the block is still healthy erase it and mark as clean. ++ * If the block has had a data failure, then retire it. ++ */ + +- memset(&cp, 0, sizeof(cp)); ++ T(YAFFS_TRACE_GC | YAFFS_TRACE_ERASE, ++ (TSTR("yaffs_block_became_dirty block %d state %d %s"TENDSTR), ++ block_no, bi->block_state, (bi->needs_retiring) ? "needs retiring" : "")); + +- cp.structType = sizeof(cp); +- cp.magic = YAFFS_MAGIC; +- cp.version = YAFFS_CHECKPOINT_VERSION; +- cp.head = (head) ? 1 : 0; ++ yaffs2_clear_oldest_dirty_seq(dev,bi); + +- return (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp)) ? +- 1 : 0; +-} ++ bi->block_state = YAFFS_BLOCK_STATE_DIRTY; + +-static int yaffs_ReadCheckpointValidityMarker(yaffs_Device *dev, int head) +-{ +- yaffs_CheckpointValidity cp; +- int ok; ++ /* If this is the block being garbage collected then stop gc'ing this block */ ++ if(block_no == dev->gc_block) ++ dev->gc_block = 0; + +- ok = (yaffs_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp)); ++ /* If this block is currently the best candidate for gc then drop as a candidate */ ++ if(block_no == dev->gc_dirtiest){ ++ dev->gc_dirtiest = 0; ++ dev->gc_pages_in_use = 0; ++ } + +- if (ok) +- ok = (cp.structType == sizeof(cp)) && +- (cp.magic == YAFFS_MAGIC) && +- (cp.version == YAFFS_CHECKPOINT_VERSION) && +- (cp.head == ((head) ? 1 : 0)); +- return ok ? 1 : 0; +-} ++ if (!bi->needs_retiring) { ++ yaffs2_checkpt_invalidate(dev); ++ erasedOk = yaffs_erase_block(dev, block_no); ++ if (!erasedOk) { ++ dev->n_erase_failures++; ++ T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, ++ (TSTR("**>> Erasure failed %d" TENDSTR), block_no)); ++ } ++ } + +-static void yaffs_DeviceToCheckpointDevice(yaffs_CheckpointDevice *cp, +- yaffs_Device *dev) +-{ +- cp->nErasedBlocks = dev->nErasedBlocks; +- cp->allocationBlock = dev->allocationBlock; +- cp->allocationPage = dev->allocationPage; +- cp->nFreeChunks = dev->nFreeChunks; ++ if (erasedOk && ++ ((yaffs_trace_mask & YAFFS_TRACE_ERASE) || !yaffs_skip_verification(dev))) { ++ int i; ++ for (i = 0; i < dev->param.chunks_per_block; i++) { ++ if (!yaffs_check_chunk_erased ++ (dev, block_no * dev->param.chunks_per_block + i)) { ++ T(YAFFS_TRACE_ERROR, ++ (TSTR ++ (">>Block %d erasure supposedly OK, but chunk %d not erased" ++ TENDSTR), block_no, i)); ++ } ++ } ++ } ++ ++ if (erasedOk) { ++ /* Clean it up... */ ++ bi->block_state = YAFFS_BLOCK_STATE_EMPTY; ++ bi->seq_number = 0; ++ dev->n_erased_blocks++; ++ bi->pages_in_use = 0; ++ bi->soft_del_pages = 0; ++ bi->has_shrink_hdr = 0; ++ bi->skip_erased_check = 1; /* This is clean, so no need to check */ ++ bi->gc_prioritise = 0; ++ yaffs_clear_chunk_bits(dev, block_no); + +- cp->nDeletedFiles = dev->nDeletedFiles; +- cp->nUnlinkedFiles = dev->nUnlinkedFiles; +- cp->nBackgroundDeletions = dev->nBackgroundDeletions; +- cp->sequenceNumber = dev->sequenceNumber; +- cp->oldestDirtySequence = dev->oldestDirtySequence; ++ T(YAFFS_TRACE_ERASE, ++ (TSTR("Erased block %d" TENDSTR), block_no)); ++ } else { ++ dev->n_free_chunks -= dev->param.chunks_per_block; /* We lost a block of free space */ + ++ yaffs_retire_block(dev, block_no); ++ T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, ++ (TSTR("**>> Block %d retired" TENDSTR), block_no)); ++ } + } + +-static void yaffs_CheckpointDeviceToDevice(yaffs_Device *dev, +- yaffs_CheckpointDevice *cp) ++static int yaffs_find_alloc_block(yaffs_dev_t *dev) + { +- dev->nErasedBlocks = cp->nErasedBlocks; +- dev->allocationBlock = cp->allocationBlock; +- dev->allocationPage = cp->allocationPage; +- dev->nFreeChunks = cp->nFreeChunks; +- +- dev->nDeletedFiles = cp->nDeletedFiles; +- dev->nUnlinkedFiles = cp->nUnlinkedFiles; +- dev->nBackgroundDeletions = cp->nBackgroundDeletions; +- dev->sequenceNumber = cp->sequenceNumber; +- dev->oldestDirtySequence = cp->oldestDirtySequence; +-} ++ int i; + ++ yaffs_block_info_t *bi; + +-static int yaffs_WriteCheckpointDevice(yaffs_Device *dev) +-{ +- yaffs_CheckpointDevice cp; +- __u32 nBytes; +- __u32 nBlocks = (dev->internalEndBlock - dev->internalStartBlock + 1); ++ if (dev->n_erased_blocks < 1) { ++ /* Hoosterman we've got a problem. ++ * Can't get space to gc ++ */ ++ T(YAFFS_TRACE_ERROR, ++ (TSTR("yaffs tragedy: no more erased blocks" TENDSTR))); + +- int ok; ++ return -1; ++ } + +- /* Write device runtime values*/ +- yaffs_DeviceToCheckpointDevice(&cp, dev); +- cp.structType = sizeof(cp); ++ /* Find an empty block. */ + +- ok = (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp)); ++ for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) { ++ dev->alloc_block_finder++; ++ if (dev->alloc_block_finder < dev->internal_start_block ++ || dev->alloc_block_finder > dev->internal_end_block) { ++ dev->alloc_block_finder = dev->internal_start_block; ++ } + +- /* Write block info */ +- if (ok) { +- nBytes = nBlocks * sizeof(yaffs_BlockInfo); +- ok = (yaffs_CheckpointWrite(dev, dev->blockInfo, nBytes) == nBytes); ++ bi = yaffs_get_block_info(dev, dev->alloc_block_finder); ++ ++ if (bi->block_state == YAFFS_BLOCK_STATE_EMPTY) { ++ bi->block_state = YAFFS_BLOCK_STATE_ALLOCATING; ++ dev->seq_number++; ++ bi->seq_number = dev->seq_number; ++ dev->n_erased_blocks--; ++ T(YAFFS_TRACE_ALLOCATE, ++ (TSTR("Allocated block %d, seq %d, %d left" TENDSTR), ++ dev->alloc_block_finder, dev->seq_number, ++ dev->n_erased_blocks)); ++ return dev->alloc_block_finder; ++ } + } + +- /* Write chunk bits */ +- if (ok) { +- nBytes = nBlocks * dev->chunkBitmapStride; +- ok = (yaffs_CheckpointWrite(dev, dev->chunkBits, nBytes) == nBytes); +- } +- return ok ? 1 : 0; ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR ++ ("yaffs tragedy: no more erased blocks, but there should have been %d" ++ TENDSTR), dev->n_erased_blocks)); + ++ return -1; + } + +-static int yaffs_ReadCheckpointDevice(yaffs_Device *dev) ++ ++/* ++ * Check if there's space to allocate... ++ * Thinks.... do we need top make this ths same as yaffs_get_free_chunks()? ++ */ ++int yaffs_check_alloc_available(yaffs_dev_t *dev, int n_chunks) + { +- yaffs_CheckpointDevice cp; +- __u32 nBytes; +- __u32 nBlocks = (dev->internalEndBlock - dev->internalStartBlock + 1); ++ int reservedChunks; ++ int reservedBlocks = dev->param.n_reserved_blocks; ++ int checkpointBlocks; + +- int ok; ++ checkpointBlocks = yaffs_calc_checkpt_blocks_required(dev); + +- ok = (yaffs_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp)); +- if (!ok) +- return 0; ++ reservedChunks = ((reservedBlocks + checkpointBlocks) * dev->param.chunks_per_block); + +- if (cp.structType != sizeof(cp)) +- return 0; ++ return (dev->n_free_chunks > (reservedChunks + n_chunks)); ++} ++ ++static int yaffs_alloc_chunk(yaffs_dev_t *dev, int useReserve, ++ yaffs_block_info_t **blockUsedPtr) ++{ ++ int retVal; ++ yaffs_block_info_t *bi; ++ ++ if (dev->alloc_block < 0) { ++ /* Get next block to allocate off */ ++ dev->alloc_block = yaffs_find_alloc_block(dev); ++ dev->alloc_page = 0; ++ } + ++ if (!useReserve && !yaffs_check_alloc_available(dev, 1)) { ++ /* Not enough space to allocate unless we're allowed to use the reserve. */ ++ return -1; ++ } + +- yaffs_CheckpointDeviceToDevice(dev, &cp); ++ if (dev->n_erased_blocks < dev->param.n_reserved_blocks ++ && dev->alloc_page == 0) { ++ T(YAFFS_TRACE_ALLOCATE, (TSTR("Allocating reserve" TENDSTR))); ++ } + +- nBytes = nBlocks * sizeof(yaffs_BlockInfo); ++ /* Next page please.... */ ++ if (dev->alloc_block >= 0) { ++ bi = yaffs_get_block_info(dev, dev->alloc_block); + +- ok = (yaffs_CheckpointRead(dev, dev->blockInfo, nBytes) == nBytes); ++ retVal = (dev->alloc_block * dev->param.chunks_per_block) + ++ dev->alloc_page; ++ bi->pages_in_use++; ++ yaffs_set_chunk_bit(dev, dev->alloc_block, ++ dev->alloc_page); + +- if (!ok) +- return 0; +- nBytes = nBlocks * dev->chunkBitmapStride; ++ dev->alloc_page++; + +- ok = (yaffs_CheckpointRead(dev, dev->chunkBits, nBytes) == nBytes); ++ dev->n_free_chunks--; + +- return ok ? 1 : 0; +-} ++ /* If the block is full set the state to full */ ++ if (dev->alloc_page >= dev->param.chunks_per_block) { ++ bi->block_state = YAFFS_BLOCK_STATE_FULL; ++ dev->alloc_block = -1; ++ } + +-static void yaffs_ObjectToCheckpointObject(yaffs_CheckpointObject *cp, +- yaffs_Object *obj) +-{ ++ if (blockUsedPtr) ++ *blockUsedPtr = bi; ++ ++ return retVal; ++ } + +- cp->objectId = obj->objectId; +- cp->parentId = (obj->parent) ? obj->parent->objectId : 0; +- cp->hdrChunk = obj->hdrChunk; +- cp->variantType = obj->variantType; +- cp->deleted = obj->deleted; +- cp->softDeleted = obj->softDeleted; +- cp->unlinked = obj->unlinked; +- cp->fake = obj->fake; +- cp->renameAllowed = obj->renameAllowed; +- cp->unlinkAllowed = obj->unlinkAllowed; +- cp->serial = obj->serial; +- cp->nDataChunks = obj->nDataChunks; ++ T(YAFFS_TRACE_ERROR, ++ (TSTR("!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!" TENDSTR))); + +- if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) +- cp->fileSizeOrEquivalentObjectId = obj->variant.fileVariant.fileSize; +- else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) +- cp->fileSizeOrEquivalentObjectId = obj->variant.hardLinkVariant.equivalentObjectId; ++ return -1; + } + +-static int yaffs_CheckpointObjectToObject(yaffs_Object *obj, yaffs_CheckpointObject *cp) ++static int yaffs_get_erased_chunks(yaffs_dev_t *dev) + { ++ int n; + +- yaffs_Object *parent; ++ n = dev->n_erased_blocks * dev->param.chunks_per_block; + +- if (obj->variantType != cp->variantType) { +- T(YAFFS_TRACE_ERROR, (TSTR("Checkpoint read object %d type %d " +- TCONT("chunk %d does not match existing object type %d") +- TENDSTR), cp->objectId, cp->variantType, cp->hdrChunk, +- obj->variantType)); +- return 0; +- } ++ if (dev->alloc_block > 0) ++ n += (dev->param.chunks_per_block - dev->alloc_page); + +- obj->objectId = cp->objectId; ++ return n; + +- if (cp->parentId) +- parent = yaffs_FindOrCreateObjectByNumber( +- obj->myDev, +- cp->parentId, +- YAFFS_OBJECT_TYPE_DIRECTORY); +- else +- parent = NULL; ++} + +- if (parent) { +- if (parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) { +- T(YAFFS_TRACE_ALWAYS, (TSTR("Checkpoint read object %d parent %d type %d" +- TCONT(" chunk %d Parent type, %d, not directory") +- TENDSTR), +- cp->objectId, cp->parentId, cp->variantType, +- cp->hdrChunk, parent->variantType)); +- return 0; ++/* ++ * yaffs_skip_rest_of_block() skips over the rest of the allocation block ++ * if we don't want to write to it. ++ */ ++void yaffs_skip_rest_of_block(yaffs_dev_t *dev) ++{ ++ if(dev->alloc_block > 0){ ++ yaffs_block_info_t *bi = yaffs_get_block_info(dev, dev->alloc_block); ++ if(bi->block_state == YAFFS_BLOCK_STATE_ALLOCATING){ ++ bi->block_state = YAFFS_BLOCK_STATE_FULL; ++ dev->alloc_block = -1; + } +- yaffs_AddObjectToDirectory(parent, obj); + } +- +- obj->hdrChunk = cp->hdrChunk; +- obj->variantType = cp->variantType; +- obj->deleted = cp->deleted; +- obj->softDeleted = cp->softDeleted; +- obj->unlinked = cp->unlinked; +- obj->fake = cp->fake; +- obj->renameAllowed = cp->renameAllowed; +- obj->unlinkAllowed = cp->unlinkAllowed; +- obj->serial = cp->serial; +- obj->nDataChunks = cp->nDataChunks; +- +- if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) +- obj->variant.fileVariant.fileSize = cp->fileSizeOrEquivalentObjectId; +- else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) +- obj->variant.hardLinkVariant.equivalentObjectId = cp->fileSizeOrEquivalentObjectId; +- +- if (obj->hdrChunk > 0) +- obj->lazyLoaded = 1; +- return 1; + } + + +- +-static int yaffs_CheckpointTnodeWorker(yaffs_Object *in, yaffs_Tnode *tn, +- __u32 level, int chunkOffset) ++static int yaffs_gc_block(yaffs_dev_t *dev, int block, ++ int wholeBlock) + { ++ int oldChunk; ++ int newChunk; ++ int mark_flash; ++ int retVal = YAFFS_OK; + int i; +- yaffs_Device *dev = in->myDev; +- int ok = 1; +- int tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8; +- +- if (tnodeSize < sizeof(yaffs_Tnode)) +- tnodeSize = sizeof(yaffs_Tnode); ++ int isCheckpointBlock; ++ int matchingChunk; ++ int maxCopies; + ++ int chunksBefore = yaffs_get_erased_chunks(dev); ++ int chunksAfter; + +- if (tn) { +- if (level > 0) { ++ yaffs_ext_tags tags; + +- for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++) { +- if (tn->internal[i]) { +- ok = yaffs_CheckpointTnodeWorker(in, +- tn->internal[i], +- level - 1, +- (chunkOffset<<YAFFS_TNODES_INTERNAL_BITS) + i); +- } +- } +- } else if (level == 0) { +- __u32 baseOffset = chunkOffset << YAFFS_TNODES_LEVEL0_BITS; +- ok = (yaffs_CheckpointWrite(dev, &baseOffset, sizeof(baseOffset)) == sizeof(baseOffset)); +- if (ok) +- ok = (yaffs_CheckpointWrite(dev, tn, tnodeSize) == tnodeSize); +- } +- } ++ yaffs_block_info_t *bi = yaffs_get_block_info(dev, block); + +- return ok; ++ yaffs_obj_t *object; + +-} ++ isCheckpointBlock = (bi->block_state == YAFFS_BLOCK_STATE_CHECKPOINT); + +-static int yaffs_WriteCheckpointTnodes(yaffs_Object *obj) +-{ +- __u32 endMarker = ~0; +- int ok = 1; + +- if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) { +- ok = yaffs_CheckpointTnodeWorker(obj, +- obj->variant.fileVariant.top, +- obj->variant.fileVariant.topLevel, +- 0); +- if (ok) +- ok = (yaffs_CheckpointWrite(obj->myDev, &endMarker, sizeof(endMarker)) == +- sizeof(endMarker)); +- } ++ T(YAFFS_TRACE_TRACING, ++ (TSTR("Collecting block %d, in use %d, shrink %d, wholeBlock %d" TENDSTR), ++ block, ++ bi->pages_in_use, ++ bi->has_shrink_hdr, ++ wholeBlock)); + +- return ok ? 1 : 0; +-} ++ /*yaffs_verify_free_chunks(dev); */ + +-static int yaffs_ReadCheckpointTnodes(yaffs_Object *obj) +-{ +- __u32 baseChunk; +- int ok = 1; +- yaffs_Device *dev = obj->myDev; +- yaffs_FileStructure *fileStructPtr = &obj->variant.fileVariant; +- yaffs_Tnode *tn; +- int nread = 0; +- int tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8; ++ if(bi->block_state == YAFFS_BLOCK_STATE_FULL) ++ bi->block_state = YAFFS_BLOCK_STATE_COLLECTING; ++ ++ bi->has_shrink_hdr = 0; /* clear the flag so that the block can erase */ + +- if (tnodeSize < sizeof(yaffs_Tnode)) +- tnodeSize = sizeof(yaffs_Tnode); ++ dev->gc_disable = 1; + +- ok = (yaffs_CheckpointRead(dev, &baseChunk, sizeof(baseChunk)) == sizeof(baseChunk)); ++ if (isCheckpointBlock || ++ !yaffs_still_some_chunks(dev, block)) { ++ T(YAFFS_TRACE_TRACING, ++ (TSTR ++ ("Collecting block %d that has no chunks in use" TENDSTR), ++ block)); ++ yaffs_block_became_dirty(dev, block); ++ } else { + +- while (ok && (~baseChunk)) { +- nread++; +- /* Read level 0 tnode */ ++ __u8 *buffer = yaffs_get_temp_buffer(dev, __LINE__); + ++ yaffs_verify_blk(dev, bi, block); + +- tn = yaffs_GetTnodeRaw(dev); +- if (tn) +- ok = (yaffs_CheckpointRead(dev, tn, tnodeSize) == tnodeSize); +- else +- ok = 0; ++ maxCopies = (wholeBlock) ? dev->param.chunks_per_block : 5; ++ oldChunk = block * dev->param.chunks_per_block + dev->gc_chunk; + +- if (tn && ok) +- ok = yaffs_AddOrFindLevel0Tnode(dev, +- fileStructPtr, +- baseChunk, +- tn) ? 1 : 0; ++ for (/* init already done */; ++ retVal == YAFFS_OK && ++ dev->gc_chunk < dev->param.chunks_per_block && ++ (bi->block_state == YAFFS_BLOCK_STATE_COLLECTING) && ++ maxCopies > 0; ++ dev->gc_chunk++, oldChunk++) { ++ if (yaffs_check_chunk_bit(dev, block, dev->gc_chunk)) { + +- if (ok) +- ok = (yaffs_CheckpointRead(dev, &baseChunk, sizeof(baseChunk)) == sizeof(baseChunk)); ++ /* This page is in use and might need to be copied off */ + +- } ++ maxCopies--; + +- T(YAFFS_TRACE_CHECKPOINT, ( +- TSTR("Checkpoint read tnodes %d records, last %d. ok %d" TENDSTR), +- nread, baseChunk, ok)); ++ mark_flash = 1; + +- return ok ? 1 : 0; +-} ++ yaffs_init_tags(&tags); + ++ yaffs_rd_chunk_tags_nand(dev, oldChunk, ++ buffer, &tags); + +-static int yaffs_WriteCheckpointObjects(yaffs_Device *dev) +-{ +- yaffs_Object *obj; +- yaffs_CheckpointObject cp; +- int i; +- int ok = 1; +- struct ylist_head *lh; ++ object = ++ yaffs_find_by_number(dev, ++ tags.obj_id); + ++ T(YAFFS_TRACE_GC_DETAIL, ++ (TSTR ++ ("Collecting chunk in block %d, %d %d %d " TENDSTR), ++ dev->gc_chunk, tags.obj_id, tags.chunk_id, ++ tags.n_bytes)); + +- /* Iterate through the objects in each hash entry, +- * dumping them to the checkpointing stream. +- */ ++ if (object && !yaffs_skip_verification(dev)) { ++ if (tags.chunk_id == 0) ++ matchingChunk = object->hdr_chunk; ++ else if (object->soft_del) ++ matchingChunk = oldChunk; /* Defeat the test */ ++ else ++ matchingChunk = yaffs_find_chunk_in_file(object, tags.chunk_id, NULL); + +- for (i = 0; ok && i < YAFFS_NOBJECT_BUCKETS; i++) { +- ylist_for_each(lh, &dev->objectBucket[i].list) { +- if (lh) { +- obj = ylist_entry(lh, yaffs_Object, hashLink); +- if (!obj->deferedFree) { +- yaffs_ObjectToCheckpointObject(&cp, obj); +- cp.structType = sizeof(cp); +- +- T(YAFFS_TRACE_CHECKPOINT, ( +- TSTR("Checkpoint write object %d parent %d type %d chunk %d obj addr %x" TENDSTR), +- cp.objectId, cp.parentId, cp.variantType, cp.hdrChunk, (unsigned) obj)); ++ if (oldChunk != matchingChunk) ++ T(YAFFS_TRACE_ERROR, ++ (TSTR("gc: page in gc mismatch: %d %d %d %d"TENDSTR), ++ oldChunk, matchingChunk, tags.obj_id, tags.chunk_id)); + +- ok = (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp)); ++ } + +- if (ok && obj->variantType == YAFFS_OBJECT_TYPE_FILE) +- ok = yaffs_WriteCheckpointTnodes(obj); ++ if (!object) { ++ T(YAFFS_TRACE_ERROR, ++ (TSTR ++ ("page %d in gc has no object: %d %d %d " ++ TENDSTR), oldChunk, ++ tags.obj_id, tags.chunk_id, tags.n_bytes)); + } +- } +- } +- } + +- /* Dump end of list */ +- memset(&cp, 0xFF, sizeof(yaffs_CheckpointObject)); +- cp.structType = sizeof(cp); ++ if (object && ++ object->deleted && ++ object->soft_del && ++ tags.chunk_id != 0) { ++ /* Data chunk in a soft deleted file, throw it away ++ * It's a soft deleted data chunk, ++ * No need to copy this, just forget about it and ++ * fix up the object. ++ */ ++ ++ /* Free chunks already includes softdeleted chunks. ++ * How ever this chunk is going to soon be really deleted ++ * which will increment free chunks. ++ * We have to decrement free chunks so this works out properly. ++ */ ++ dev->n_free_chunks--; ++ bi->soft_del_pages--; ++ ++ object->n_data_chunks--; + +- if (ok) +- ok = (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp)); ++ if (object->n_data_chunks <= 0) { ++ /* remeber to clean up the object */ ++ dev->gc_cleanup_list[dev->n_clean_ups] = ++ tags.obj_id; ++ dev->n_clean_ups++; ++ } ++ mark_flash = 0; ++ } else if (0) { ++ /* Todo object && object->deleted && object->n_data_chunks == 0 */ ++ /* Deleted object header with no data chunks. ++ * Can be discarded and the file deleted. ++ */ ++ object->hdr_chunk = 0; ++ yaffs_free_tnode(object->my_dev, ++ object->variant. ++ file_variant.top); ++ object->variant.file_variant.top = NULL; ++ yaffs_generic_obj_del(object); + +- return ok ? 1 : 0; +-} ++ } else if (object) { ++ /* It's either a data chunk in a live file or ++ * an ObjectHeader, so we're interested in it. ++ * NB Need to keep the ObjectHeaders of deleted files ++ * until the whole file has been deleted off ++ */ ++ tags.serial_number++; + +-static int yaffs_ReadCheckpointObjects(yaffs_Device *dev) +-{ +- yaffs_Object *obj; +- yaffs_CheckpointObject cp; +- int ok = 1; +- int done = 0; +- yaffs_Object *hardList = NULL; ++ dev->n_gc_copies++; + +- while (ok && !done) { +- ok = (yaffs_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp)); +- if (cp.structType != sizeof(cp)) { +- T(YAFFS_TRACE_CHECKPOINT, (TSTR("struct size %d instead of %d ok %d"TENDSTR), +- cp.structType, sizeof(cp), ok)); +- ok = 0; +- } +- +- T(YAFFS_TRACE_CHECKPOINT, (TSTR("Checkpoint read object %d parent %d type %d chunk %d " TENDSTR), +- cp.objectId, cp.parentId, cp.variantType, cp.hdrChunk)); +- +- if (ok && cp.objectId == ~0) +- done = 1; +- else if (ok) { +- obj = yaffs_FindOrCreateObjectByNumber(dev, cp.objectId, cp.variantType); +- if (obj) { +- ok = yaffs_CheckpointObjectToObject(obj, &cp); +- if (!ok) +- break; +- if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) { +- ok = yaffs_ReadCheckpointTnodes(obj); +- } else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) { +- obj->hardLinks.next = +- (struct ylist_head *) hardList; +- hardList = obj; +- } +- } else +- ok = 0; +- } +- } ++ if (tags.chunk_id == 0) { ++ /* It is an object Id, ++ * We need to nuke the shrinkheader flags first ++ * Also need to clean up shadowing. ++ * We no longer want the shrinkHeader flag since its work is done ++ * and if it is left in place it will mess up scanning. ++ */ + +- if (ok) +- yaffs_HardlinkFixup(dev, hardList); ++ yaffs_obj_header *oh; ++ oh = (yaffs_obj_header *)buffer; + +- return ok ? 1 : 0; +-} ++ oh->is_shrink = 0; ++ tags.extra_is_shrink = 0; + +-static int yaffs_WriteCheckpointSum(yaffs_Device *dev) +-{ +- __u32 checkpointSum; +- int ok; ++ oh->shadows_obj = 0; ++ oh->inband_shadowed_obj_id = 0; ++ tags.extra_shadows = 0; ++ ++ /* Update file size */ ++ if(object->variant_type == YAFFS_OBJECT_TYPE_FILE){ ++ oh->file_size = object->variant.file_variant.file_size; ++ tags.extra_length = oh->file_size; ++ } ++ ++ yaffs_verify_oh(object, oh, &tags, 1); ++ newChunk = ++ yaffs_write_new_chunk(dev,(__u8 *) oh, &tags, 1); ++ } else ++ newChunk = ++ yaffs_write_new_chunk(dev, buffer, &tags, 1); ++ ++ if (newChunk < 0) { ++ retVal = YAFFS_FAIL; ++ } else { + +- yaffs_GetCheckpointSum(dev, &checkpointSum); ++ /* Ok, now fix up the Tnodes etc. */ + +- ok = (yaffs_CheckpointWrite(dev, &checkpointSum, sizeof(checkpointSum)) == sizeof(checkpointSum)); ++ if (tags.chunk_id == 0) { ++ /* It's a header */ ++ object->hdr_chunk = newChunk; ++ object->serial = tags.serial_number; ++ } else { ++ /* It's a data chunk */ ++ int ok; ++ ok = yaffs_put_chunk_in_file ++ (object, ++ tags.chunk_id, ++ newChunk, 0); ++ } ++ } ++ } + +- if (!ok) +- return 0; ++ if (retVal == YAFFS_OK) ++ yaffs_chunk_del(dev, oldChunk, mark_flash, __LINE__); + +- return 1; +-} ++ } ++ } + +-static int yaffs_ReadCheckpointSum(yaffs_Device *dev) +-{ +- __u32 checkpointSum0; +- __u32 checkpointSum1; +- int ok; ++ yaffs_release_temp_buffer(dev, buffer, __LINE__); + +- yaffs_GetCheckpointSum(dev, &checkpointSum0); + +- ok = (yaffs_CheckpointRead(dev, &checkpointSum1, sizeof(checkpointSum1)) == sizeof(checkpointSum1)); + +- if (!ok) +- return 0; ++ } + +- if (checkpointSum0 != checkpointSum1) +- return 0; ++ yaffs_verify_collected_blk(dev, bi, block); + +- return 1; +-} + + +-static int yaffs_WriteCheckpointData(yaffs_Device *dev) +-{ +- int ok = 1; ++ if (bi->block_state == YAFFS_BLOCK_STATE_COLLECTING) { ++ /* ++ * The gc did not complete. Set block state back to FULL ++ * because checkpointing does not restore gc. ++ */ ++ bi->block_state = YAFFS_BLOCK_STATE_FULL; ++ } else { ++ /* The gc completed. */ ++ /* Do any required cleanups */ ++ for (i = 0; i < dev->n_clean_ups; i++) { ++ /* Time to delete the file too */ ++ object = ++ yaffs_find_by_number(dev, ++ dev->gc_cleanup_list[i]); ++ if (object) { ++ yaffs_free_tnode(dev, ++ object->variant.file_variant. ++ top); ++ object->variant.file_variant.top = NULL; ++ T(YAFFS_TRACE_GC, ++ (TSTR ++ ("yaffs: About to finally delete object %d" ++ TENDSTR), object->obj_id)); ++ yaffs_generic_obj_del(object); ++ object->my_dev->n_deleted_files--; ++ } + +- if (dev->skipCheckpointWrite || !dev->isYaffs2) { +- T(YAFFS_TRACE_CHECKPOINT, (TSTR("skipping checkpoint write" TENDSTR))); +- ok = 0; +- } ++ } + +- if (ok) +- ok = yaffs_CheckpointOpen(dev, 1); + +- if (ok) { +- T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint validity" TENDSTR))); +- ok = yaffs_WriteCheckpointValidityMarker(dev, 1); +- } +- if (ok) { +- T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint device" TENDSTR))); +- ok = yaffs_WriteCheckpointDevice(dev); +- } +- if (ok) { +- T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint objects" TENDSTR))); +- ok = yaffs_WriteCheckpointObjects(dev); +- } +- if (ok) { +- T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint validity" TENDSTR))); +- ok = yaffs_WriteCheckpointValidityMarker(dev, 0); ++ chunksAfter = yaffs_get_erased_chunks(dev); ++ if (chunksBefore >= chunksAfter) { ++ T(YAFFS_TRACE_GC, ++ (TSTR ++ ("gc did not increase free chunks before %d after %d" ++ TENDSTR), chunksBefore, chunksAfter)); ++ } ++ dev->gc_block = 0; ++ dev->gc_chunk = 0; ++ dev->n_clean_ups = 0; + } + +- if (ok) +- ok = yaffs_WriteCheckpointSum(dev); +- +- if (!yaffs_CheckpointClose(dev)) +- ok = 0; +- +- if (ok) +- dev->isCheckpointed = 1; +- else +- dev->isCheckpointed = 0; ++ dev->gc_disable = 0; + +- return dev->isCheckpointed; ++ return retVal; + } + +-static int yaffs_ReadCheckpointData(yaffs_Device *dev) ++/* ++ * FindBlockForgarbageCollection is used to select the dirtiest block (or close enough) ++ * for garbage collection. ++ */ ++ ++static unsigned yaffs_find_gc_block(yaffs_dev_t *dev, ++ int aggressive, ++ int background) + { +- int ok = 1; ++ int i; ++ int iterations; ++ unsigned selected = 0; ++ int prioritised = 0; ++ int prioritisedExists = 0; ++ yaffs_block_info_t *bi; ++ int threshold; + +- if (dev->skipCheckpointRead || !dev->isYaffs2) { +- T(YAFFS_TRACE_CHECKPOINT, (TSTR("skipping checkpoint read" TENDSTR))); +- ok = 0; +- } ++ /* First let's see if we need to grab a prioritised block */ ++ if (dev->has_pending_prioritised_gc && !aggressive) { ++ dev->gc_dirtiest = 0; ++ bi = dev->block_info; ++ for (i = dev->internal_start_block; ++ i <= dev->internal_end_block && !selected; ++ i++) { ++ ++ if (bi->gc_prioritise) { ++ prioritisedExists = 1; ++ if (bi->block_state == YAFFS_BLOCK_STATE_FULL && ++ yaffs_block_ok_for_gc(dev, bi)) { ++ selected = i; ++ prioritised = 1; ++ } ++ } ++ bi++; ++ } + +- if (ok) +- ok = yaffs_CheckpointOpen(dev, 0); /* open for read */ ++ /* ++ * If there is a prioritised block and none was selected then ++ * this happened because there is at least one old dirty block gumming ++ * up the works. Let's gc the oldest dirty block. ++ */ + +- if (ok) { +- T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint validity" TENDSTR))); +- ok = yaffs_ReadCheckpointValidityMarker(dev, 1); +- } +- if (ok) { +- T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint device" TENDSTR))); +- ok = yaffs_ReadCheckpointDevice(dev); +- } +- if (ok) { +- T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint objects" TENDSTR))); +- ok = yaffs_ReadCheckpointObjects(dev); +- } +- if (ok) { +- T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint validity" TENDSTR))); +- ok = yaffs_ReadCheckpointValidityMarker(dev, 0); +- } ++ if(prioritisedExists && ++ !selected && ++ dev->oldest_dirty_block > 0) ++ selected = dev->oldest_dirty_block; + +- if (ok) { +- ok = yaffs_ReadCheckpointSum(dev); +- T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint checksum %d" TENDSTR), ok)); ++ if (!prioritisedExists) /* None found, so we can clear this */ ++ dev->has_pending_prioritised_gc = 0; + } + +- if (!yaffs_CheckpointClose(dev)) +- ok = 0; +- +- if (ok) +- dev->isCheckpointed = 1; +- else +- dev->isCheckpointed = 0; +- +- return ok ? 1 : 0; ++ /* If we're doing aggressive GC then we are happy to take a less-dirty block, and ++ * search harder. ++ * else (we're doing a leasurely gc), then we only bother to do this if the ++ * block has only a few pages in use. ++ */ + +-} ++ if (!selected){ ++ int pagesUsed; ++ int nBlocks = dev->internal_end_block - dev->internal_start_block + 1; ++ if (aggressive){ ++ threshold = dev->param.chunks_per_block; ++ iterations = nBlocks; ++ } else { ++ int maxThreshold; + +-static void yaffs_InvalidateCheckpoint(yaffs_Device *dev) +-{ +- if (dev->isCheckpointed || +- dev->blocksInCheckpoint > 0) { +- dev->isCheckpointed = 0; +- yaffs_CheckpointInvalidateStream(dev); +- if (dev->superBlock && dev->markSuperBlockDirty) +- dev->markSuperBlockDirty(dev->superBlock); +- } +-} ++ if(background) ++ maxThreshold = dev->param.chunks_per_block/2; ++ else ++ maxThreshold = dev->param.chunks_per_block/8; + ++ if(maxThreshold < YAFFS_GC_PASSIVE_THRESHOLD) ++ maxThreshold = YAFFS_GC_PASSIVE_THRESHOLD; + +-int yaffs_CheckpointSave(yaffs_Device *dev) +-{ ++ threshold = background ? ++ (dev->gc_not_done + 2) * 2 : 0; ++ if(threshold <YAFFS_GC_PASSIVE_THRESHOLD) ++ threshold = YAFFS_GC_PASSIVE_THRESHOLD; ++ if(threshold > maxThreshold) ++ threshold = maxThreshold; + +- T(YAFFS_TRACE_CHECKPOINT, (TSTR("save entry: isCheckpointed %d"TENDSTR), dev->isCheckpointed)); ++ iterations = nBlocks / 16 + 1; ++ if (iterations > 100) ++ iterations = 100; ++ } + +- yaffs_VerifyObjects(dev); +- yaffs_VerifyBlocks(dev); +- yaffs_VerifyFreeChunks(dev); ++ for (i = 0; ++ i < iterations && ++ (dev->gc_dirtiest < 1 || ++ dev->gc_pages_in_use > YAFFS_GC_GOOD_ENOUGH); ++ i++) { ++ dev->gc_block_finder++; ++ if (dev->gc_block_finder < dev->internal_start_block || ++ dev->gc_block_finder > dev->internal_end_block) ++ dev->gc_block_finder = dev->internal_start_block; + +- if (!dev->isCheckpointed) { +- yaffs_InvalidateCheckpoint(dev); +- yaffs_WriteCheckpointData(dev); +- } ++ bi = yaffs_get_block_info(dev, dev->gc_block_finder); + +- T(YAFFS_TRACE_ALWAYS, (TSTR("save exit: isCheckpointed %d"TENDSTR), dev->isCheckpointed)); ++ pagesUsed = bi->pages_in_use - bi->soft_del_pages; + +- return dev->isCheckpointed; +-} ++ if (bi->block_state == YAFFS_BLOCK_STATE_FULL && ++ pagesUsed < dev->param.chunks_per_block && ++ (dev->gc_dirtiest < 1 || pagesUsed < dev->gc_pages_in_use) && ++ yaffs_block_ok_for_gc(dev, bi)) { ++ dev->gc_dirtiest = dev->gc_block_finder; ++ dev->gc_pages_in_use = pagesUsed; ++ } ++ } + +-int yaffs_CheckpointRestore(yaffs_Device *dev) +-{ +- int retval; +- T(YAFFS_TRACE_CHECKPOINT, (TSTR("restore entry: isCheckpointed %d"TENDSTR), dev->isCheckpointed)); ++ if(dev->gc_dirtiest > 0 && dev->gc_pages_in_use <= threshold) ++ selected = dev->gc_dirtiest; ++ } + +- retval = yaffs_ReadCheckpointData(dev); ++ /* ++ * If nothing has been selected for a while, try selecting the oldest dirty ++ * because that's gumming up the works. ++ */ + +- if (dev->isCheckpointed) { +- yaffs_VerifyObjects(dev); +- yaffs_VerifyBlocks(dev); +- yaffs_VerifyFreeChunks(dev); ++ if(!selected && dev->param.is_yaffs2 && ++ dev->gc_not_done >= ( background ? 10 : 20)){ ++ yaffs2_find_oldest_dirty_seq(dev); ++ if(dev->oldest_dirty_block > 0) { ++ selected = dev->oldest_dirty_block; ++ dev->gc_dirtiest = selected; ++ dev->oldest_dirty_gc_count++; ++ bi = yaffs_get_block_info(dev, selected); ++ dev->gc_pages_in_use = bi->pages_in_use - bi->soft_del_pages; ++ } else ++ dev->gc_not_done = 0; + } + +- T(YAFFS_TRACE_CHECKPOINT, (TSTR("restore exit: isCheckpointed %d"TENDSTR), dev->isCheckpointed)); ++ if(selected){ ++ T(YAFFS_TRACE_GC, ++ (TSTR("GC Selected block %d with %d free, prioritised:%d" TENDSTR), ++ selected, ++ dev->param.chunks_per_block - dev->gc_pages_in_use, ++ prioritised)); ++ ++ dev->n_gc_blocks++; ++ if(background) ++ dev->bg_gcs++; ++ ++ dev->gc_dirtiest = 0; ++ dev->gc_pages_in_use = 0; ++ dev->gc_not_done = 0; ++ if(dev->refresh_skip > 0) ++ dev->refresh_skip--; ++ } else{ ++ dev->gc_not_done++; ++ T(YAFFS_TRACE_GC, ++ (TSTR("GC none: finder %d skip %d threshold %d dirtiest %d using %d oldest %d%s" TENDSTR), ++ dev->gc_block_finder, dev->gc_not_done, ++ threshold, ++ dev->gc_dirtiest, dev->gc_pages_in_use, ++ dev->oldest_dirty_block, ++ background ? " bg" : "")); ++ } + +- return retval; ++ return selected; + } + +-/*--------------------- File read/write ------------------------ +- * Read and write have very similar structures. +- * In general the read/write has three parts to it +- * An incomplete chunk to start with (if the read/write is not chunk-aligned) +- * Some complete chunks +- * An incomplete chunk to end off with ++/* New garbage collector ++ * If we're very low on erased blocks then we do aggressive garbage collection ++ * otherwise we do "leasurely" garbage collection. ++ * Aggressive gc looks further (whole array) and will accept less dirty blocks. ++ * Passive gc only inspects smaller areas and will only accept more dirty blocks. + * +- * Curve-balls: the first chunk might also be the last chunk. ++ * The idea is to help clear out space in a more spread-out manner. ++ * Dunno if it really does anything useful. + */ +- +-int yaffs_ReadDataFromFile(yaffs_Object *in, __u8 *buffer, loff_t offset, +- int nBytes) ++static int yaffs_check_gc(yaffs_dev_t *dev, int background) + { ++ int aggressive = 0; ++ int gcOk = YAFFS_OK; ++ int maxTries = 0; ++ int minErased; ++ int erasedChunks; ++ int checkpointBlockAdjust; + +- int chunk; +- __u32 start; +- int nToCopy; +- int n = nBytes; +- int nDone = 0; +- yaffs_ChunkCache *cache; +- +- yaffs_Device *dev; +- +- dev = in->myDev; +- +- while (n > 0) { +- /* chunk = offset / dev->nDataBytesPerChunk + 1; */ +- /* start = offset % dev->nDataBytesPerChunk; */ +- yaffs_AddrToChunk(dev, offset, &chunk, &start); +- chunk++; +- +- /* OK now check for the curveball where the start and end are in +- * the same chunk. +- */ +- if ((start + n) < dev->nDataBytesPerChunk) +- nToCopy = n; +- else +- nToCopy = dev->nDataBytesPerChunk - start; +- +- cache = yaffs_FindChunkCache(in, chunk); +- +- /* If the chunk is already in the cache or it is less than a whole chunk +- * or we're using inband tags then use the cache (if there is caching) +- * else bypass the cache. +- */ +- if (cache || nToCopy != dev->nDataBytesPerChunk || dev->inbandTags) { +- if (dev->nShortOpCaches > 0) { +- +- /* If we can't find the data in the cache, then load it up. */ ++ if(dev->param.gc_control && ++ (dev->param.gc_control(dev) & 1) == 0) ++ return YAFFS_OK; + +- if (!cache) { +- cache = yaffs_GrabChunkCache(in->myDev); +- cache->object = in; +- cache->chunkId = chunk; +- cache->dirty = 0; +- cache->locked = 0; +- yaffs_ReadChunkDataFromObject(in, chunk, +- cache-> +- data); +- cache->nBytes = 0; +- } ++ if (dev->gc_disable) { ++ /* Bail out so we don't get recursive gc */ ++ return YAFFS_OK; ++ } + +- yaffs_UseChunkCache(dev, cache, 0); ++ /* This loop should pass the first time. ++ * We'll only see looping here if the collection does not increase space. ++ */ + +- cache->locked = 1; ++ do { ++ maxTries++; + ++ checkpointBlockAdjust = yaffs_calc_checkpt_blocks_required(dev); + +- memcpy(buffer, &cache->data[start], nToCopy); ++ minErased = dev->param.n_reserved_blocks + checkpointBlockAdjust + 1; ++ erasedChunks = dev->n_erased_blocks * dev->param.chunks_per_block; + +- cache->locked = 0; +- } else { +- /* Read into the local buffer then copy..*/ ++ /* If we need a block soon then do aggressive gc.*/ ++ if (dev->n_erased_blocks < minErased) ++ aggressive = 1; ++ else { ++ if(!background && erasedChunks > (dev->n_free_chunks / 4)) ++ break; + +- __u8 *localBuffer = +- yaffs_GetTempBuffer(dev, __LINE__); +- yaffs_ReadChunkDataFromObject(in, chunk, +- localBuffer); ++ if(dev->gc_skip > 20) ++ dev->gc_skip = 20; ++ if(erasedChunks < dev->n_free_chunks/2 || ++ dev->gc_skip < 1 || ++ background) ++ aggressive = 0; ++ else { ++ dev->gc_skip--; ++ break; ++ } ++ } + +- memcpy(buffer, &localBuffer[start], nToCopy); ++ dev->gc_skip = 5; + ++ /* If we don't already have a block being gc'd then see if we should start another */ + +- yaffs_ReleaseTempBuffer(dev, localBuffer, +- __LINE__); +- } ++ if (dev->gc_block < 1 && !aggressive) { ++ dev->gc_block = yaffs2_find_refresh_block(dev); ++ dev->gc_chunk = 0; ++ dev->n_clean_ups=0; ++ } ++ if (dev->gc_block < 1) { ++ dev->gc_block = yaffs_find_gc_block(dev, aggressive, background); ++ dev->gc_chunk = 0; ++ dev->n_clean_ups=0; ++ } + +- } else { ++ if (dev->gc_block > 0) { ++ dev->all_gcs++; ++ if (!aggressive) ++ dev->passive_gc_count++; + +- /* A full chunk. Read directly into the supplied buffer. */ +- yaffs_ReadChunkDataFromObject(in, chunk, buffer); ++ T(YAFFS_TRACE_GC, ++ (TSTR ++ ("yaffs: GC erasedBlocks %d aggressive %d" TENDSTR), ++ dev->n_erased_blocks, aggressive)); + ++ gcOk = yaffs_gc_block(dev, dev->gc_block, aggressive); + } + +- n -= nToCopy; +- offset += nToCopy; +- buffer += nToCopy; +- nDone += nToCopy; +- +- } ++ if (dev->n_erased_blocks < (dev->param.n_reserved_blocks) && dev->gc_block > 0) { ++ T(YAFFS_TRACE_GC, ++ (TSTR ++ ("yaffs: GC !!!no reclaim!!! erasedBlocks %d after try %d block %d" ++ TENDSTR), dev->n_erased_blocks, maxTries, dev->gc_block)); ++ } ++ } while ((dev->n_erased_blocks < dev->param.n_reserved_blocks) && ++ (dev->gc_block > 0) && ++ (maxTries < 2)); + +- return nDone; ++ return aggressive ? gcOk : YAFFS_OK; + } + +-int yaffs_WriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset, +- int nBytes, int writeThrough) ++/* ++ * yaffs_bg_gc() ++ * Garbage collects. Intended to be called from a background thread. ++ * Returns non-zero if at least half the free chunks are erased. ++ */ ++int yaffs_bg_gc(yaffs_dev_t *dev, unsigned urgency) + { ++ int erasedChunks = dev->n_erased_blocks * dev->param.chunks_per_block; + +- int chunk; +- __u32 start; +- int nToCopy; +- int n = nBytes; +- int nDone = 0; +- int nToWriteBack; +- int startOfWrite = offset; +- int chunkWritten = 0; +- __u32 nBytesRead; +- __u32 chunkStart; ++ T(YAFFS_TRACE_BACKGROUND, (TSTR("Background gc %u" TENDSTR),urgency)); + +- yaffs_Device *dev; ++ yaffs_check_gc(dev, 1); ++ return erasedChunks > dev->n_free_chunks/2; ++} + +- dev = in->myDev; ++/*------------------------- TAGS --------------------------------*/ + +- while (n > 0 && chunkWritten >= 0) { +- /* chunk = offset / dev->nDataBytesPerChunk + 1; */ +- /* start = offset % dev->nDataBytesPerChunk; */ +- yaffs_AddrToChunk(dev, offset, &chunk, &start); ++static int yaffs_tags_match(const yaffs_ext_tags *tags, int obj_id, ++ int chunkInObject) ++{ ++ return (tags->chunk_id == chunkInObject && ++ tags->obj_id == obj_id && !tags->is_deleted) ? 1 : 0; + +- if (chunk * dev->nDataBytesPerChunk + start != offset || +- start >= dev->nDataBytesPerChunk) { +- T(YAFFS_TRACE_ERROR, ( +- TSTR("AddrToChunk of offset %d gives chunk %d start %d" +- TENDSTR), +- (int)offset, chunk, start)); +- } +- chunk++; ++} + +- /* OK now check for the curveball where the start and end are in +- * the same chunk. +- */ + +- if ((start + n) < dev->nDataBytesPerChunk) { +- nToCopy = n; ++/*-------------------- Data file manipulation -----------------*/ + +- /* Now folks, to calculate how many bytes to write back.... +- * If we're overwriting and not writing to then end of file then +- * we need to write back as much as was there before. +- */ ++static int yaffs_find_chunk_in_file(yaffs_obj_t *in, int inode_chunk, ++ yaffs_ext_tags *tags) ++{ ++ /*Get the Tnode, then get the level 0 offset chunk offset */ ++ yaffs_tnode_t *tn; ++ int theChunk = -1; ++ yaffs_ext_tags localTags; ++ int retVal = -1; + +- chunkStart = ((chunk - 1) * dev->nDataBytesPerChunk); ++ yaffs_dev_t *dev = in->my_dev; + +- if (chunkStart > in->variant.fileVariant.fileSize) +- nBytesRead = 0; /* Past end of file */ +- else +- nBytesRead = in->variant.fileVariant.fileSize - chunkStart; ++ if (!tags) { ++ /* Passed a NULL, so use our own tags space */ ++ tags = &localTags; ++ } + +- if (nBytesRead > dev->nDataBytesPerChunk) +- nBytesRead = dev->nDataBytesPerChunk; ++ tn = yaffs_find_tnode_0(dev, &in->variant.file_variant, inode_chunk); + +- nToWriteBack = +- (nBytesRead > +- (start + n)) ? nBytesRead : (start + n); ++ if (tn) { ++ theChunk = yaffs_get_group_base(dev, tn, inode_chunk); + +- if (nToWriteBack < 0 || nToWriteBack > dev->nDataBytesPerChunk) +- YBUG(); ++ retVal = ++ yaffs_find_chunk_in_group(dev, theChunk, tags, in->obj_id, ++ inode_chunk); ++ } ++ return retVal; ++} + +- } else { +- nToCopy = dev->nDataBytesPerChunk - start; +- nToWriteBack = dev->nDataBytesPerChunk; +- } ++static int yaffs_find_del_file_chunk(yaffs_obj_t *in, int inode_chunk, ++ yaffs_ext_tags *tags) ++{ ++ /* Get the Tnode, then get the level 0 offset chunk offset */ ++ yaffs_tnode_t *tn; ++ int theChunk = -1; ++ yaffs_ext_tags localTags; + +- if (nToCopy != dev->nDataBytesPerChunk || dev->inbandTags) { +- /* An incomplete start or end chunk (or maybe both start and end chunk), +- * or we're using inband tags, so we want to use the cache buffers. +- */ +- if (dev->nShortOpCaches > 0) { +- yaffs_ChunkCache *cache; +- /* If we can't find the data in the cache, then load the cache */ +- cache = yaffs_FindChunkCache(in, chunk); ++ yaffs_dev_t *dev = in->my_dev; ++ int retVal = -1; + +- if (!cache +- && yaffs_CheckSpaceForAllocation(in-> +- myDev)) { +- cache = yaffs_GrabChunkCache(in->myDev); +- cache->object = in; +- cache->chunkId = chunk; +- cache->dirty = 0; +- cache->locked = 0; +- yaffs_ReadChunkDataFromObject(in, chunk, +- cache-> +- data); +- } else if (cache && +- !cache->dirty && +- !yaffs_CheckSpaceForAllocation(in->myDev)) { +- /* Drop the cache if it was a read cache item and +- * no space check has been made for it. +- */ +- cache = NULL; +- } ++ if (!tags) { ++ /* Passed a NULL, so use our own tags space */ ++ tags = &localTags; ++ } + +- if (cache) { +- yaffs_UseChunkCache(dev, cache, 1); +- cache->locked = 1; ++ tn = yaffs_find_tnode_0(dev, &in->variant.file_variant, inode_chunk); + ++ if (tn) { + +- memcpy(&cache->data[start], buffer, +- nToCopy); ++ theChunk = yaffs_get_group_base(dev, tn, inode_chunk); + ++ retVal = ++ yaffs_find_chunk_in_group(dev, theChunk, tags, in->obj_id, ++ inode_chunk); + +- cache->locked = 0; +- cache->nBytes = nToWriteBack; ++ /* Delete the entry in the filestructure (if found) */ ++ if (retVal != -1) ++ yaffs_load_tnode_0(dev, tn, inode_chunk, 0); ++ } + +- if (writeThrough) { +- chunkWritten = +- yaffs_WriteChunkDataToObject +- (cache->object, +- cache->chunkId, +- cache->data, cache->nBytes, +- 1); +- cache->dirty = 0; +- } ++ return retVal; ++} + +- } else { +- chunkWritten = -1; /* fail the write */ +- } +- } else { +- /* An incomplete start or end chunk (or maybe both start and end chunk) +- * Read into the local buffer then copy, then copy over and write back. +- */ + +- __u8 *localBuffer = +- yaffs_GetTempBuffer(dev, __LINE__); ++int yaffs_put_chunk_in_file(yaffs_obj_t *in, int inode_chunk, ++ int nand_chunk, int in_scan) ++{ ++ /* NB in_scan is zero unless scanning. ++ * For forward scanning, in_scan is > 0; ++ * for backward scanning in_scan is < 0 ++ * ++ * nand_chunk = 0 is a dummy insert to make sure the tnodes are there. ++ */ + +- yaffs_ReadChunkDataFromObject(in, chunk, +- localBuffer); ++ yaffs_tnode_t *tn; ++ yaffs_dev_t *dev = in->my_dev; ++ int existingChunk; ++ yaffs_ext_tags existingTags; ++ yaffs_ext_tags newTags; ++ unsigned existingSerial, newSerial; + ++ if (in->variant_type != YAFFS_OBJECT_TYPE_FILE) { ++ /* Just ignore an attempt at putting a chunk into a non-file during scanning ++ * If it is not during Scanning then something went wrong! ++ */ ++ if (!in_scan) { ++ T(YAFFS_TRACE_ERROR, ++ (TSTR ++ ("yaffs tragedy:attempt to put data chunk into a non-file" ++ TENDSTR))); ++ YBUG(); ++ } + ++ yaffs_chunk_del(dev, nand_chunk, 1, __LINE__); ++ return YAFFS_OK; ++ } + +- memcpy(&localBuffer[start], buffer, nToCopy); ++ tn = yaffs_add_find_tnode_0(dev, ++ &in->variant.file_variant, ++ inode_chunk, ++ NULL); ++ if (!tn) ++ return YAFFS_FAIL; ++ ++ if(!nand_chunk) ++ /* Dummy insert, bail now */ ++ return YAFFS_OK; + +- chunkWritten = +- yaffs_WriteChunkDataToObject(in, chunk, +- localBuffer, +- nToWriteBack, +- 0); ++ existingChunk = yaffs_get_group_base(dev, tn, inode_chunk); + +- yaffs_ReleaseTempBuffer(dev, localBuffer, +- __LINE__); ++ if (in_scan != 0) { ++ /* If we're scanning then we need to test for duplicates ++ * NB This does not need to be efficient since it should only ever ++ * happen when the power fails during a write, then only one ++ * chunk should ever be affected. ++ * ++ * Correction for YAFFS2: This could happen quite a lot and we need to think about efficiency! TODO ++ * Update: For backward scanning we don't need to re-read tags so this is quite cheap. ++ */ ++ ++ if (existingChunk > 0) { ++ /* NB Right now existing chunk will not be real chunk_id if the chunk group size > 1 ++ * thus we have to do a FindChunkInFile to get the real chunk id. ++ * ++ * We have a duplicate now we need to decide which one to use: ++ * ++ * Backwards scanning YAFFS2: The old one is what we use, dump the new one. ++ * Forward scanning YAFFS2: The new one is what we use, dump the old one. ++ * YAFFS1: Get both sets of tags and compare serial numbers. ++ */ ++ ++ if (in_scan > 0) { ++ /* Only do this for forward scanning */ ++ yaffs_rd_chunk_tags_nand(dev, ++ nand_chunk, ++ NULL, &newTags); + ++ /* Do a proper find */ ++ existingChunk = ++ yaffs_find_chunk_in_file(in, inode_chunk, ++ &existingTags); + } + +- } else { +- /* A full chunk. Write directly from the supplied buffer. */ ++ if (existingChunk <= 0) { ++ /*Hoosterman - how did this happen? */ + ++ T(YAFFS_TRACE_ERROR, ++ (TSTR ++ ("yaffs tragedy: existing chunk < 0 in scan" ++ TENDSTR))); + ++ } + +- chunkWritten = +- yaffs_WriteChunkDataToObject(in, chunk, buffer, +- dev->nDataBytesPerChunk, +- 0); ++ /* NB The deleted flags should be false, otherwise the chunks will ++ * not be loaded during a scan ++ */ + +- /* Since we've overwritten the cached data, we better invalidate it. */ +- yaffs_InvalidateChunkCache(in, chunk); +- } ++ if (in_scan > 0) { ++ newSerial = newTags.serial_number; ++ existingSerial = existingTags.serial_number; ++ } + +- if (chunkWritten >= 0) { +- n -= nToCopy; +- offset += nToCopy; +- buffer += nToCopy; +- nDone += nToCopy; ++ if ((in_scan > 0) && ++ (existingChunk <= 0 || ++ ((existingSerial + 1) & 3) == newSerial)) { ++ /* Forward scanning. ++ * Use new ++ * Delete the old one and drop through to update the tnode ++ */ ++ yaffs_chunk_del(dev, existingChunk, 1, ++ __LINE__); ++ } else { ++ /* Backward scanning or we want to use the existing one ++ * Use existing. ++ * Delete the new one and return early so that the tnode isn't changed ++ */ ++ yaffs_chunk_del(dev, nand_chunk, 1, ++ __LINE__); ++ return YAFFS_OK; ++ } + } + + } + +- /* Update file object */ +- +- if ((startOfWrite + nDone) > in->variant.fileVariant.fileSize) +- in->variant.fileVariant.fileSize = (startOfWrite + nDone); ++ if (existingChunk == 0) ++ in->n_data_chunks++; + +- in->dirty = 1; ++ yaffs_load_tnode_0(dev, tn, inode_chunk, nand_chunk); + +- return nDone; ++ return YAFFS_OK; + } + ++static int yaffs_rd_data_obj(yaffs_obj_t *in, int inode_chunk, ++ __u8 *buffer) ++{ ++ int nand_chunk = yaffs_find_chunk_in_file(in, inode_chunk, NULL); + +-/* ---------------------- File resizing stuff ------------------ */ ++ if (nand_chunk >= 0) ++ return yaffs_rd_chunk_tags_nand(in->my_dev, nand_chunk, ++ buffer, NULL); ++ else { ++ T(YAFFS_TRACE_NANDACCESS, ++ (TSTR("Chunk %d not found zero instead" TENDSTR), ++ nand_chunk)); ++ /* get sane (zero) data if you read a hole */ ++ memset(buffer, 0, in->my_dev->data_bytes_per_chunk); ++ return 0; ++ } ++ ++} + +-static void yaffs_PruneResizedChunks(yaffs_Object *in, int newSize) ++void yaffs_chunk_del(yaffs_dev_t *dev, int chunk_id, int mark_flash, int lyn) + { ++ int block; ++ int page; ++ yaffs_ext_tags tags; ++ yaffs_block_info_t *bi; + +- yaffs_Device *dev = in->myDev; +- int oldFileSize = in->variant.fileVariant.fileSize; ++ if (chunk_id <= 0) ++ return; + +- int lastDel = 1 + (oldFileSize - 1) / dev->nDataBytesPerChunk; ++ dev->n_deletions++; ++ block = chunk_id / dev->param.chunks_per_block; ++ page = chunk_id % dev->param.chunks_per_block; + +- int startDel = 1 + (newSize + dev->nDataBytesPerChunk - 1) / +- dev->nDataBytesPerChunk; +- int i; +- int chunkId; + +- /* Delete backwards so that we don't end up with holes if +- * power is lost part-way through the operation. ++ if (!yaffs_check_chunk_bit(dev, block, page)) ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Deleting invalid chunk %d"TENDSTR), ++ chunk_id)); ++ ++ bi = yaffs_get_block_info(dev, block); ++ ++ yaffs2_update_oldest_dirty_seq(dev, block, bi); ++ ++ T(YAFFS_TRACE_DELETION, ++ (TSTR("line %d delete of chunk %d" TENDSTR), lyn, chunk_id)); ++ ++ if (!dev->param.is_yaffs2 && mark_flash && ++ bi->block_state != YAFFS_BLOCK_STATE_COLLECTING) { ++ ++ yaffs_init_tags(&tags); ++ ++ tags.is_deleted = 1; ++ ++ yaffs_wr_chunk_tags_nand(dev, chunk_id, NULL, &tags); ++ yaffs_handle_chunk_update(dev, chunk_id, &tags); ++ } else { ++ dev->n_unmarked_deletions++; ++ } ++ ++ /* Pull out of the management area. ++ * If the whole block became dirty, this will kick off an erasure. + */ +- for (i = lastDel; i >= startDel; i--) { +- /* NB this could be optimised somewhat, +- * eg. could retrieve the tags and write them without +- * using yaffs_DeleteChunk +- */ ++ if (bi->block_state == YAFFS_BLOCK_STATE_ALLOCATING || ++ bi->block_state == YAFFS_BLOCK_STATE_FULL || ++ bi->block_state == YAFFS_BLOCK_STATE_NEEDS_SCANNING || ++ bi->block_state == YAFFS_BLOCK_STATE_COLLECTING) { ++ dev->n_free_chunks++; + +- chunkId = yaffs_FindAndDeleteChunkInFile(in, i, NULL); +- if (chunkId > 0) { +- if (chunkId < +- (dev->internalStartBlock * dev->nChunksPerBlock) +- || chunkId >= +- ((dev->internalEndBlock + +- 1) * dev->nChunksPerBlock)) { +- T(YAFFS_TRACE_ALWAYS, +- (TSTR("Found daft chunkId %d for %d" TENDSTR), +- chunkId, i)); +- } else { +- in->nDataChunks--; +- yaffs_DeleteChunk(dev, chunkId, 1, __LINE__); +- } ++ yaffs_clear_chunk_bit(dev, block, page); ++ ++ bi->pages_in_use--; ++ ++ if (bi->pages_in_use == 0 && ++ !bi->has_shrink_hdr && ++ bi->block_state != YAFFS_BLOCK_STATE_ALLOCATING && ++ bi->block_state != YAFFS_BLOCK_STATE_NEEDS_SCANNING) { ++ yaffs_block_became_dirty(dev, block); + } ++ + } + + } + +-int yaffs_ResizeFile(yaffs_Object *in, loff_t newSize) ++static int yaffs_wr_data_obj(yaffs_obj_t *in, int inode_chunk, ++ const __u8 *buffer, int n_bytes, ++ int useReserve) + { ++ /* Find old chunk Need to do this to get serial number ++ * Write new one and patch into tree. ++ * Invalidate old tags. ++ */ + +- int oldFileSize = in->variant.fileVariant.fileSize; +- __u32 newSizeOfPartialChunk; +- int newFullChunks; ++ int prevChunkId; ++ yaffs_ext_tags prevTags; + +- yaffs_Device *dev = in->myDev; ++ int newChunkId; ++ yaffs_ext_tags newTags; + +- yaffs_AddrToChunk(dev, newSize, &newFullChunks, &newSizeOfPartialChunk); ++ yaffs_dev_t *dev = in->my_dev; + +- yaffs_FlushFilesChunkCache(in); +- yaffs_InvalidateWholeChunkCache(in); ++ yaffs_check_gc(dev,0); + +- yaffs_CheckGarbageCollection(dev); ++ /* Get the previous chunk at this location in the file if it exists. ++ * If it does not exist then put a zero into the tree. This creates ++ * the tnode now, rather than later when it is harder to clean up. ++ */ ++ prevChunkId = yaffs_find_chunk_in_file(in, inode_chunk, &prevTags); ++ if(prevChunkId < 1 && ++ !yaffs_put_chunk_in_file(in, inode_chunk, 0, 0)) ++ return 0; + +- if (in->variantType != YAFFS_OBJECT_TYPE_FILE) +- return YAFFS_FAIL; ++ /* Set up new tags */ ++ yaffs_init_tags(&newTags); + +- if (newSize == oldFileSize) +- return YAFFS_OK; ++ newTags.chunk_id = inode_chunk; ++ newTags.obj_id = in->obj_id; ++ newTags.serial_number = ++ (prevChunkId > 0) ? prevTags.serial_number + 1 : 1; ++ newTags.n_bytes = n_bytes; + +- if (newSize < oldFileSize) { ++ if (n_bytes < 1 || n_bytes > dev->param.total_bytes_per_chunk) { ++ T(YAFFS_TRACE_ERROR, ++ (TSTR("Writing %d bytes to chunk!!!!!!!!!" TENDSTR), n_bytes)); ++ YBUG(); ++ } ++ ++ ++ newChunkId = ++ yaffs_write_new_chunk(dev, buffer, &newTags, ++ useReserve); + +- yaffs_PruneResizedChunks(in, newSize); ++ if (newChunkId > 0) { ++ yaffs_put_chunk_in_file(in, inode_chunk, newChunkId, 0); + +- if (newSizeOfPartialChunk != 0) { +- int lastChunk = 1 + newFullChunks; ++ if (prevChunkId > 0) ++ yaffs_chunk_del(dev, prevChunkId, 1, __LINE__); + +- __u8 *localBuffer = yaffs_GetTempBuffer(dev, __LINE__); ++ yaffs_verify_file_sane(in); ++ } ++ return newChunkId; + +- /* Got to read and rewrite the last chunk with its new size and zero pad */ +- yaffs_ReadChunkDataFromObject(in, lastChunk, +- localBuffer); ++} + +- memset(localBuffer + newSizeOfPartialChunk, 0, +- dev->nDataBytesPerChunk - newSizeOfPartialChunk); ++/* UpdateObjectHeader updates the header on NAND for an object. ++ * If name is not NULL, then that new name is used. ++ */ ++int yaffs_update_oh(yaffs_obj_t *in, const YCHAR *name, int force, ++ int is_shrink, int shadows, yaffs_xattr_mod *xmod) ++{ + +- yaffs_WriteChunkDataToObject(in, lastChunk, localBuffer, +- newSizeOfPartialChunk, 1); ++ yaffs_block_info_t *bi; + +- yaffs_ReleaseTempBuffer(dev, localBuffer, __LINE__); +- } ++ yaffs_dev_t *dev = in->my_dev; + +- in->variant.fileVariant.fileSize = newSize; ++ int prevChunkId; ++ int retVal = 0; ++ int result = 0; + +- yaffs_PruneFileStructure(dev, &in->variant.fileVariant); +- } else { +- /* newsSize > oldFileSize */ +- in->variant.fileVariant.fileSize = newSize; +- } ++ int newChunkId; ++ yaffs_ext_tags newTags; ++ yaffs_ext_tags oldTags; ++ const YCHAR *alias = NULL; + ++ __u8 *buffer = NULL; ++ YCHAR old_name[YAFFS_MAX_NAME_LENGTH + 1]; + +- /* Write a new object header. +- * show we've shrunk the file, if need be +- * Do this only if the file is not in the deleted directories. +- */ +- if (in->parent && +- in->parent->objectId != YAFFS_OBJECTID_UNLINKED && +- in->parent->objectId != YAFFS_OBJECTID_DELETED) +- yaffs_UpdateObjectHeader(in, NULL, 0, +- (newSize < oldFileSize) ? 1 : 0, 0); ++ yaffs_obj_header *oh = NULL; + +- return YAFFS_OK; +-} ++ yaffs_strcpy(old_name, _Y("silly old name")); + +-loff_t yaffs_GetFileSize(yaffs_Object *obj) +-{ +- obj = yaffs_GetEquivalentObject(obj); + +- switch (obj->variantType) { +- case YAFFS_OBJECT_TYPE_FILE: +- return obj->variant.fileVariant.fileSize; +- case YAFFS_OBJECT_TYPE_SYMLINK: +- return yaffs_strlen(obj->variant.symLinkVariant.alias); +- default: +- return 0; +- } +-} ++ if (!in->fake || ++ in == dev->root_dir || /* The root_dir should also be saved */ ++ force || xmod) { + ++ yaffs_check_gc(dev,0); ++ yaffs_check_obj_details_loaded(in); + ++ buffer = yaffs_get_temp_buffer(in->my_dev, __LINE__); ++ oh = (yaffs_obj_header *) buffer; ++ ++ prevChunkId = in->hdr_chunk; ++ ++ if (prevChunkId > 0) { ++ result = yaffs_rd_chunk_tags_nand(dev, prevChunkId, ++ buffer, &oldTags); ++ ++ yaffs_verify_oh(in, oh, &oldTags, 0); ++ ++ memcpy(old_name, oh->name, sizeof(oh->name)); ++ memset(buffer, 0xFF, sizeof(yaffs_obj_header)); ++ } else ++ memset(buffer, 0xFF, dev->data_bytes_per_chunk); ++ ++ oh->type = in->variant_type; ++ oh->yst_mode = in->yst_mode; ++ oh->shadows_obj = oh->inband_shadowed_obj_id = shadows; + +-int yaffs_FlushFile(yaffs_Object *in, int updateTime) +-{ +- int retVal; +- if (in->dirty) { +- yaffs_FlushFilesChunkCache(in); +- if (updateTime) { + #ifdef CONFIG_YAFFS_WINCE +- yfsd_WinFileTimeNow(in->win_mtime); ++ oh->win_atime[0] = in->win_atime[0]; ++ oh->win_ctime[0] = in->win_ctime[0]; ++ oh->win_mtime[0] = in->win_mtime[0]; ++ oh->win_atime[1] = in->win_atime[1]; ++ oh->win_ctime[1] = in->win_ctime[1]; ++ oh->win_mtime[1] = in->win_mtime[1]; + #else ++ oh->yst_uid = in->yst_uid; ++ oh->yst_gid = in->yst_gid; ++ oh->yst_atime = in->yst_atime; ++ oh->yst_mtime = in->yst_mtime; ++ oh->yst_ctime = in->yst_ctime; ++ oh->yst_rdev = in->yst_rdev; ++#endif ++ if (in->parent) ++ oh->parent_obj_id = in->parent->obj_id; ++ else ++ oh->parent_obj_id = 0; ++ ++ if (name && *name) { ++ memset(oh->name, 0, sizeof(oh->name)); ++ yaffs_load_oh_from_name(dev,oh->name,name); ++ } else if (prevChunkId > 0) ++ memcpy(oh->name, old_name, sizeof(oh->name)); ++ else ++ memset(oh->name, 0, sizeof(oh->name)); + +- in->yst_mtime = Y_CURRENT_TIME; ++ oh->is_shrink = is_shrink; + +-#endif ++ switch (in->variant_type) { ++ case YAFFS_OBJECT_TYPE_UNKNOWN: ++ /* Should not happen */ ++ break; ++ case YAFFS_OBJECT_TYPE_FILE: ++ oh->file_size = ++ (oh->parent_obj_id == YAFFS_OBJECTID_DELETED ++ || oh->parent_obj_id == ++ YAFFS_OBJECTID_UNLINKED) ? 0 : in->variant. ++ file_variant.file_size; ++ break; ++ case YAFFS_OBJECT_TYPE_HARDLINK: ++ oh->equiv_id = ++ in->variant.hardlink_variant.equiv_id; ++ break; ++ case YAFFS_OBJECT_TYPE_SPECIAL: ++ /* Do nothing */ ++ break; ++ case YAFFS_OBJECT_TYPE_DIRECTORY: ++ /* Do nothing */ ++ break; ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ alias = in->variant.symlink_variant.alias; ++ if(!alias) ++ alias = _Y("no alias"); ++ yaffs_strncpy(oh->alias, ++ alias, ++ YAFFS_MAX_ALIAS_LENGTH); ++ oh->alias[YAFFS_MAX_ALIAS_LENGTH] = 0; ++ break; + } + +- retVal = (yaffs_UpdateObjectHeader(in, NULL, 0, 0, 0) >= +- 0) ? YAFFS_OK : YAFFS_FAIL; +- } else { +- retVal = YAFFS_OK; +- } ++ /* process any xattrib modifications */ ++ if(xmod) ++ yaffs_apply_xattrib_mod(in, (char *)buffer, xmod); + +- return retVal; + +-} ++ /* Tags */ ++ yaffs_init_tags(&newTags); ++ in->serial++; ++ newTags.chunk_id = 0; ++ newTags.obj_id = in->obj_id; ++ newTags.serial_number = in->serial; + +-static int yaffs_DoGenericObjectDeletion(yaffs_Object *in) +-{ ++ /* Add extra info for file header */ + +- /* First off, invalidate the file's data in the cache, without flushing. */ +- yaffs_InvalidateWholeChunkCache(in); ++ newTags.extra_available = 1; ++ newTags.extra_parent_id = oh->parent_obj_id; ++ newTags.extra_length = oh->file_size; ++ newTags.extra_is_shrink = oh->is_shrink; ++ newTags.extra_equiv_id = oh->equiv_id; ++ newTags.extra_shadows = (oh->shadows_obj > 0) ? 1 : 0; ++ newTags.extra_obj_type = in->variant_type; + +- if (in->myDev->isYaffs2 && (in->parent != in->myDev->deletedDir)) { +- /* Move to the unlinked directory so we have a record that it was deleted. */ +- yaffs_ChangeObjectName(in, in->myDev->deletedDir, _Y("deleted"), 0, 0); ++ yaffs_verify_oh(in, oh, &newTags, 1); + +- } ++ /* Create new chunk in NAND */ ++ newChunkId = ++ yaffs_write_new_chunk(dev, buffer, &newTags, ++ (prevChunkId > 0) ? 1 : 0); + +- yaffs_RemoveObjectFromDirectory(in); +- yaffs_DeleteChunk(in->myDev, in->hdrChunk, 1, __LINE__); +- in->hdrChunk = 0; ++ if (newChunkId >= 0) { + +- yaffs_FreeObject(in); +- return YAFFS_OK; ++ in->hdr_chunk = newChunkId; + +-} ++ if (prevChunkId > 0) { ++ yaffs_chunk_del(dev, prevChunkId, 1, ++ __LINE__); ++ } + +-/* yaffs_DeleteFile deletes the whole file data +- * and the inode associated with the file. +- * It does not delete the links associated with the file. +- */ +-static int yaffs_UnlinkFileIfNeeded(yaffs_Object *in) +-{ ++ if (!yaffs_obj_cache_dirty(in)) ++ in->dirty = 0; + +- int retVal; +- int immediateDeletion = 0; ++ /* If this was a shrink, then mark the block that the chunk lives on */ ++ if (is_shrink) { ++ bi = yaffs_get_block_info(in->my_dev, ++ newChunkId / in->my_dev->param.chunks_per_block); ++ bi->has_shrink_hdr = 1; ++ } + +-#ifdef __KERNEL__ +- if (!in->myInode) +- immediateDeletion = 1; +-#else +- if (in->inUse <= 0) +- immediateDeletion = 1; +-#endif ++ } ++ ++ retVal = newChunkId; + +- if (immediateDeletion) { +- retVal = +- yaffs_ChangeObjectName(in, in->myDev->deletedDir, +- _Y("deleted"), 0, 0); +- T(YAFFS_TRACE_TRACING, +- (TSTR("yaffs: immediate deletion of file %d" TENDSTR), +- in->objectId)); +- in->deleted = 1; +- in->myDev->nDeletedFiles++; +- if (1 || in->myDev->isYaffs2) +- yaffs_ResizeFile(in, 0); +- yaffs_SoftDeleteFile(in); +- } else { +- retVal = +- yaffs_ChangeObjectName(in, in->myDev->unlinkedDir, +- _Y("unlinked"), 0, 0); + } + ++ if (buffer) ++ yaffs_release_temp_buffer(dev, buffer, __LINE__); + + return retVal; + } + +-int yaffs_DeleteFile(yaffs_Object *in) +-{ +- int retVal = YAFFS_OK; +- int deleted = in->deleted; +- +- yaffs_ResizeFile(in, 0); +- +- if (in->nDataChunks > 0) { +- /* Use soft deletion if there is data in the file. +- * That won't be the case if it has been resized to zero. +- */ +- if (!in->unlinked) +- retVal = yaffs_UnlinkFileIfNeeded(in); +- +- if (retVal == YAFFS_OK && in->unlinked && !in->deleted) { +- in->deleted = 1; +- deleted = 1; +- in->myDev->nDeletedFiles++; +- yaffs_SoftDeleteFile(in); +- } +- return deleted ? YAFFS_OK : YAFFS_FAIL; +- } else { +- /* The file has no data chunks so we toss it immediately */ +- yaffs_FreeTnode(in->myDev, in->variant.fileVariant.top); +- in->variant.fileVariant.top = NULL; +- yaffs_DoGenericObjectDeletion(in); +- +- return YAFFS_OK; +- } +-} ++/*------------------------ Short Operations Cache ---------------------------------------- ++ * In many situations where there is no high level buffering (eg WinCE) a lot of ++ * reads might be short sequential reads, and a lot of writes may be short ++ * sequential writes. eg. scanning/writing a jpeg file. ++ * In these cases, a short read/write cache can provide a huge perfomance benefit ++ * with dumb-as-a-rock code. ++ * In Linux, the page cache provides read buffering aand the short op cache provides write ++ * buffering. ++ * ++ * There are a limited number (~10) of cache chunks per device so that we don't ++ * need a very intelligent search. ++ */ + +-static int yaffs_DeleteDirectory(yaffs_Object *in) ++static int yaffs_obj_cache_dirty(yaffs_obj_t *obj) + { +- /* First check that the directory is empty. */ +- if (ylist_empty(&in->variant.directoryVariant.children)) +- return yaffs_DoGenericObjectDeletion(in); ++ yaffs_dev_t *dev = obj->my_dev; ++ int i; ++ yaffs_cache_t *cache; ++ int nCaches = obj->my_dev->param.n_caches; + +- return YAFFS_FAIL; ++ for (i = 0; i < nCaches; i++) { ++ cache = &dev->cache[i]; ++ if (cache->object == obj && ++ cache->dirty) ++ return 1; ++ } + ++ return 0; + } + +-static int yaffs_DeleteSymLink(yaffs_Object *in) +-{ +- YFREE(in->variant.symLinkVariant.alias); +- +- return yaffs_DoGenericObjectDeletion(in); +-} + +-static int yaffs_DeleteHardLink(yaffs_Object *in) ++static void yaffs_flush_file_cache(yaffs_obj_t *obj) + { +- /* remove this hardlink from the list assocaited with the equivalent +- * object +- */ +- ylist_del_init(&in->hardLinks); +- return yaffs_DoGenericObjectDeletion(in); +-} ++ yaffs_dev_t *dev = obj->my_dev; ++ int lowest = -99; /* Stop compiler whining. */ ++ int i; ++ yaffs_cache_t *cache; ++ int chunkWritten = 0; ++ int nCaches = obj->my_dev->param.n_caches; + +-int yaffs_DeleteObject(yaffs_Object *obj) +-{ +-int retVal = -1; +- switch (obj->variantType) { +- case YAFFS_OBJECT_TYPE_FILE: +- retVal = yaffs_DeleteFile(obj); +- break; +- case YAFFS_OBJECT_TYPE_DIRECTORY: +- return yaffs_DeleteDirectory(obj); +- break; +- case YAFFS_OBJECT_TYPE_SYMLINK: +- retVal = yaffs_DeleteSymLink(obj); +- break; +- case YAFFS_OBJECT_TYPE_HARDLINK: +- retVal = yaffs_DeleteHardLink(obj); +- break; +- case YAFFS_OBJECT_TYPE_SPECIAL: +- retVal = yaffs_DoGenericObjectDeletion(obj); +- break; +- case YAFFS_OBJECT_TYPE_UNKNOWN: +- retVal = 0; +- break; /* should not happen. */ +- } ++ if (nCaches > 0) { ++ do { ++ cache = NULL; + +- return retVal; +-} ++ /* Find the dirty cache for this object with the lowest chunk id. */ ++ for (i = 0; i < nCaches; i++) { ++ if (dev->cache[i].object == obj && ++ dev->cache[i].dirty) { ++ if (!cache ++ || dev->cache[i].chunk_id < ++ lowest) { ++ cache = &dev->cache[i]; ++ lowest = cache->chunk_id; ++ } ++ } ++ } + +-static int yaffs_UnlinkWorker(yaffs_Object *obj) +-{ ++ if (cache && !cache->locked) { ++ /* Write it out and free it up */ + +- int immediateDeletion = 0; ++ chunkWritten = ++ yaffs_wr_data_obj(cache->object, ++ cache->chunk_id, ++ cache->data, ++ cache->n_bytes, ++ 1); ++ cache->dirty = 0; ++ cache->object = NULL; ++ } + +-#ifdef __KERNEL__ +- if (!obj->myInode) +- immediateDeletion = 1; +-#else +- if (obj->inUse <= 0) +- immediateDeletion = 1; +-#endif ++ } while (cache && chunkWritten > 0); + +- if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) { +- return yaffs_DeleteHardLink(obj); +- } else if (!ylist_empty(&obj->hardLinks)) { +- /* Curve ball: We're unlinking an object that has a hardlink. +- * +- * This problem arises because we are not strictly following +- * The Linux link/inode model. +- * +- * We can't really delete the object. +- * Instead, we do the following: +- * - Select a hardlink. +- * - Unhook it from the hard links +- * - Unhook it from its parent directory (so that the rename can work) +- * - Rename the object to the hardlink's name. +- * - Delete the hardlink +- */ ++ if (cache) { ++ /* Hoosterman, disk full while writing cache out. */ ++ T(YAFFS_TRACE_ERROR, ++ (TSTR("yaffs tragedy: no space during cache write" TENDSTR))); + +- yaffs_Object *hl; +- int retVal; +- YCHAR name[YAFFS_MAX_NAME_LENGTH + 1]; ++ } ++ } + +- hl = ylist_entry(obj->hardLinks.next, yaffs_Object, hardLinks); ++} + +- ylist_del_init(&hl->hardLinks); +- ylist_del_init(&hl->siblings); ++/*yaffs_flush_whole_cache(dev) ++ * ++ * ++ */ + +- yaffs_GetObjectName(hl, name, YAFFS_MAX_NAME_LENGTH + 1); ++void yaffs_flush_whole_cache(yaffs_dev_t *dev) ++{ ++ yaffs_obj_t *obj; ++ int nCaches = dev->param.n_caches; ++ int i; + +- retVal = yaffs_ChangeObjectName(obj, hl->parent, name, 0, 0); ++ /* Find a dirty object in the cache and flush it... ++ * until there are no further dirty objects. ++ */ ++ do { ++ obj = NULL; ++ for (i = 0; i < nCaches && !obj; i++) { ++ if (dev->cache[i].object && ++ dev->cache[i].dirty) ++ obj = dev->cache[i].object; + +- if (retVal == YAFFS_OK) +- retVal = yaffs_DoGenericObjectDeletion(hl); ++ } ++ if (obj) ++ yaffs_flush_file_cache(obj); + +- return retVal; ++ } while (obj); + +- } else if (immediateDeletion) { +- switch (obj->variantType) { +- case YAFFS_OBJECT_TYPE_FILE: +- return yaffs_DeleteFile(obj); +- break; +- case YAFFS_OBJECT_TYPE_DIRECTORY: +- return yaffs_DeleteDirectory(obj); +- break; +- case YAFFS_OBJECT_TYPE_SYMLINK: +- return yaffs_DeleteSymLink(obj); +- break; +- case YAFFS_OBJECT_TYPE_SPECIAL: +- return yaffs_DoGenericObjectDeletion(obj); +- break; +- case YAFFS_OBJECT_TYPE_HARDLINK: +- case YAFFS_OBJECT_TYPE_UNKNOWN: +- default: +- return YAFFS_FAIL; +- } +- } else +- return yaffs_ChangeObjectName(obj, obj->myDev->unlinkedDir, +- _Y("unlinked"), 0, 0); + } + + +-static int yaffs_UnlinkObject(yaffs_Object *obj) ++/* Grab us a cache chunk for use. ++ * First look for an empty one. ++ * Then look for the least recently used non-dirty one. ++ * Then look for the least recently used dirty one...., flush and look again. ++ */ ++static yaffs_cache_t *yaffs_grab_chunk_worker(yaffs_dev_t *dev) + { ++ int i; + +- if (obj && obj->unlinkAllowed) +- return yaffs_UnlinkWorker(obj); +- +- return YAFFS_FAIL; +- +-} +-int yaffs_Unlink(yaffs_Object *dir, const YCHAR *name) +-{ +- yaffs_Object *obj; ++ if (dev->param.n_caches > 0) { ++ for (i = 0; i < dev->param.n_caches; i++) { ++ if (!dev->cache[i].object) ++ return &dev->cache[i]; ++ } ++ } + +- obj = yaffs_FindObjectByName(dir, name); +- return yaffs_UnlinkObject(obj); ++ return NULL; + } + +-/*----------------------- Initialisation Scanning ---------------------- */ +- +-static void yaffs_HandleShadowedObject(yaffs_Device *dev, int objId, +- int backwardScanning) ++static yaffs_cache_t *yaffs_grab_chunk_cache(yaffs_dev_t *dev) + { +- yaffs_Object *obj; ++ yaffs_cache_t *cache; ++ yaffs_obj_t *theObj; ++ int usage; ++ int i; ++ int pushout; + +- if (!backwardScanning) { +- /* Handle YAFFS1 forward scanning case +- * For YAFFS1 we always do the deletion +- */ ++ if (dev->param.n_caches > 0) { ++ /* Try find a non-dirty one... */ + +- } else { +- /* Handle YAFFS2 case (backward scanning) +- * If the shadowed object exists then ignore. +- */ +- if (yaffs_FindObjectByNumber(dev, objId)) +- return; +- } ++ cache = yaffs_grab_chunk_worker(dev); + +- /* Let's create it (if it does not exist) assuming it is a file so that it can do shrinking etc. +- * We put it in unlinked dir to be cleaned up after the scanning +- */ +- obj = +- yaffs_FindOrCreateObjectByNumber(dev, objId, +- YAFFS_OBJECT_TYPE_FILE); +- if (!obj) +- return; +- yaffs_AddObjectToDirectory(dev->unlinkedDir, obj); +- obj->variant.fileVariant.shrinkSize = 0; +- obj->valid = 1; /* So that we don't read any other info for this file */ ++ if (!cache) { ++ /* They were all dirty, find the last recently used object and flush ++ * its cache, then find again. ++ * NB what's here is not very accurate, we actually flush the object ++ * the last recently used page. ++ */ + +-} ++ /* With locking we can't assume we can use entry zero */ + +-typedef struct { +- int seq; +- int block; +-} yaffs_BlockIndex; ++ theObj = NULL; ++ usage = -1; ++ cache = NULL; ++ pushout = -1; + ++ for (i = 0; i < dev->param.n_caches; i++) { ++ if (dev->cache[i].object && ++ !dev->cache[i].locked && ++ (dev->cache[i].last_use < usage || !cache)) { ++ usage = dev->cache[i].last_use; ++ theObj = dev->cache[i].object; ++ cache = &dev->cache[i]; ++ pushout = i; ++ } ++ } + +-static void yaffs_HardlinkFixup(yaffs_Device *dev, yaffs_Object *hardList) +-{ +- yaffs_Object *hl; +- yaffs_Object *in; ++ if (!cache || cache->dirty) { ++ /* Flush and try again */ ++ yaffs_flush_file_cache(theObj); ++ cache = yaffs_grab_chunk_worker(dev); ++ } + +- while (hardList) { +- hl = hardList; +- hardList = (yaffs_Object *) (hardList->hardLinks.next); ++ } ++ return cache; ++ } else ++ return NULL; + +- in = yaffs_FindObjectByNumber(dev, +- hl->variant.hardLinkVariant. +- equivalentObjectId); ++} + +- if (in) { +- /* Add the hardlink pointers */ +- hl->variant.hardLinkVariant.equivalentObject = in; +- ylist_add(&hl->hardLinks, &in->hardLinks); +- } else { +- /* Todo Need to report/handle this better. +- * Got a problem... hardlink to a non-existant object +- */ +- hl->variant.hardLinkVariant.equivalentObject = NULL; +- YINIT_LIST_HEAD(&hl->hardLinks); ++/* Find a cached chunk */ ++static yaffs_cache_t *yaffs_find_chunk_cache(const yaffs_obj_t *obj, ++ int chunk_id) ++{ ++ yaffs_dev_t *dev = obj->my_dev; ++ int i; ++ if (dev->param.n_caches > 0) { ++ for (i = 0; i < dev->param.n_caches; i++) { ++ if (dev->cache[i].object == obj && ++ dev->cache[i].chunk_id == chunk_id) { ++ dev->cache_hits++; + ++ return &dev->cache[i]; ++ } + } + } ++ return NULL; + } + ++/* Mark the chunk for the least recently used algorithym */ ++static void yaffs_use_cache(yaffs_dev_t *dev, yaffs_cache_t *cache, ++ int isAWrite) ++{ ++ ++ if (dev->param.n_caches > 0) { ++ if (dev->cache_last_use < 0 || dev->cache_last_use > 100000000) { ++ /* Reset the cache usages */ ++ int i; ++ for (i = 1; i < dev->param.n_caches; i++) ++ dev->cache[i].last_use = 0; + ++ dev->cache_last_use = 0; ++ } + ++ dev->cache_last_use++; + ++ cache->last_use = dev->cache_last_use; + +-static int ybicmp(const void *a, const void *b) +-{ +- register int aseq = ((yaffs_BlockIndex *)a)->seq; +- register int bseq = ((yaffs_BlockIndex *)b)->seq; +- register int ablock = ((yaffs_BlockIndex *)a)->block; +- register int bblock = ((yaffs_BlockIndex *)b)->block; +- if (aseq == bseq) +- return ablock - bblock; +- else +- return aseq - bseq; ++ if (isAWrite) ++ cache->dirty = 1; ++ } + } + ++/* Invalidate a single cache page. ++ * Do this when a whole page gets written, ++ * ie the short cache for this page is no longer valid. ++ */ ++static void yaffs_invalidate_chunk_cache(yaffs_obj_t *object, int chunk_id) ++{ ++ if (object->my_dev->param.n_caches > 0) { ++ yaffs_cache_t *cache = yaffs_find_chunk_cache(object, chunk_id); + +-struct yaffs_ShadowFixerStruct { +- int objectId; +- int shadowedId; +- struct yaffs_ShadowFixerStruct *next; +-}; +- ++ if (cache) ++ cache->object = NULL; ++ } ++} + +-static void yaffs_StripDeletedObjects(yaffs_Device *dev) ++/* Invalidate all the cache pages associated with this object ++ * Do this whenever ther file is deleted or resized. ++ */ ++static void yaffs_invalidate_whole_cache(yaffs_obj_t *in) + { +- /* +- * Sort out state of unlinked and deleted objects after scanning. +- */ +- struct ylist_head *i; +- struct ylist_head *n; +- yaffs_Object *l; ++ int i; ++ yaffs_dev_t *dev = in->my_dev; + +- /* Soft delete all the unlinked files */ +- ylist_for_each_safe(i, n, +- &dev->unlinkedDir->variant.directoryVariant.children) { +- if (i) { +- l = ylist_entry(i, yaffs_Object, siblings); +- yaffs_DeleteObject(l); ++ if (dev->param.n_caches > 0) { ++ /* Invalidate it. */ ++ for (i = 0; i < dev->param.n_caches; i++) { ++ if (dev->cache[i].object == in) ++ dev->cache[i].object = NULL; + } + } ++} + +- ylist_for_each_safe(i, n, +- &dev->deletedDir->variant.directoryVariant.children) { +- if (i) { +- l = ylist_entry(i, yaffs_Object, siblings); +- yaffs_DeleteObject(l); +- } +- } + +-} ++/*--------------------- File read/write ------------------------ ++ * Read and write have very similar structures. ++ * In general the read/write has three parts to it ++ * An incomplete chunk to start with (if the read/write is not chunk-aligned) ++ * Some complete chunks ++ * An incomplete chunk to end off with ++ * ++ * Curve-balls: the first chunk might also be the last chunk. ++ */ + +-static int yaffs_Scan(yaffs_Device *dev) ++int yaffs_file_rd(yaffs_obj_t *in, __u8 *buffer, loff_t offset, ++ int n_bytes) + { +- yaffs_ExtendedTags tags; +- int blk; +- int blockIterator; +- int startIterator; +- int endIterator; +- int result; + + int chunk; +- int c; +- int deleted; +- yaffs_BlockState state; +- yaffs_Object *hardList = NULL; +- yaffs_BlockInfo *bi; +- __u32 sequenceNumber; +- yaffs_ObjectHeader *oh; +- yaffs_Object *in; +- yaffs_Object *parent; ++ __u32 start; ++ int nToCopy; ++ int n = n_bytes; ++ int nDone = 0; ++ yaffs_cache_t *cache; + +- int alloc_failed = 0; ++ yaffs_dev_t *dev; + +- struct yaffs_ShadowFixerStruct *shadowFixerList = NULL; ++ dev = in->my_dev; + ++ while (n > 0) { ++ /* chunk = offset / dev->data_bytes_per_chunk + 1; */ ++ /* start = offset % dev->data_bytes_per_chunk; */ ++ yaffs_addr_to_chunk(dev, offset, &chunk, &start); ++ chunk++; + +- __u8 *chunkData; ++ /* OK now check for the curveball where the start and end are in ++ * the same chunk. ++ */ ++ if ((start + n) < dev->data_bytes_per_chunk) ++ nToCopy = n; ++ else ++ nToCopy = dev->data_bytes_per_chunk - start; + ++ cache = yaffs_find_chunk_cache(in, chunk); + ++ /* If the chunk is already in the cache or it is less than a whole chunk ++ * or we're using inband tags then use the cache (if there is caching) ++ * else bypass the cache. ++ */ ++ if (cache || nToCopy != dev->data_bytes_per_chunk || dev->param.inband_tags) { ++ if (dev->param.n_caches > 0) { + +- T(YAFFS_TRACE_SCAN, +- (TSTR("yaffs_Scan starts intstartblk %d intendblk %d..." TENDSTR), +- dev->internalStartBlock, dev->internalEndBlock)); ++ /* If we can't find the data in the cache, then load it up. */ + +- chunkData = yaffs_GetTempBuffer(dev, __LINE__); ++ if (!cache) { ++ cache = yaffs_grab_chunk_cache(in->my_dev); ++ cache->object = in; ++ cache->chunk_id = chunk; ++ cache->dirty = 0; ++ cache->locked = 0; ++ yaffs_rd_data_obj(in, chunk, ++ cache-> ++ data); ++ cache->n_bytes = 0; ++ } + +- dev->sequenceNumber = YAFFS_LOWEST_SEQUENCE_NUMBER; ++ yaffs_use_cache(dev, cache, 0); + +- /* Scan all the blocks to determine their state */ +- for (blk = dev->internalStartBlock; blk <= dev->internalEndBlock; blk++) { +- bi = yaffs_GetBlockInfo(dev, blk); +- yaffs_ClearChunkBits(dev, blk); +- bi->pagesInUse = 0; +- bi->softDeletions = 0; ++ cache->locked = 1; + +- yaffs_QueryInitialBlockState(dev, blk, &state, &sequenceNumber); + +- bi->blockState = state; +- bi->sequenceNumber = sequenceNumber; ++ memcpy(buffer, &cache->data[start], nToCopy); + +- if (bi->sequenceNumber == YAFFS_SEQUENCE_BAD_BLOCK) +- bi->blockState = state = YAFFS_BLOCK_STATE_DEAD; ++ cache->locked = 0; ++ } else { ++ /* Read into the local buffer then copy..*/ + +- T(YAFFS_TRACE_SCAN_DEBUG, +- (TSTR("Block scanning block %d state %d seq %d" TENDSTR), blk, +- state, sequenceNumber)); ++ __u8 *localBuffer = ++ yaffs_get_temp_buffer(dev, __LINE__); ++ yaffs_rd_data_obj(in, chunk, ++ localBuffer); + +- if (state == YAFFS_BLOCK_STATE_DEAD) { +- T(YAFFS_TRACE_BAD_BLOCKS, +- (TSTR("block %d is bad" TENDSTR), blk)); +- } else if (state == YAFFS_BLOCK_STATE_EMPTY) { +- T(YAFFS_TRACE_SCAN_DEBUG, +- (TSTR("Block empty " TENDSTR))); +- dev->nErasedBlocks++; +- dev->nFreeChunks += dev->nChunksPerBlock; +- } +- } ++ memcpy(buffer, &localBuffer[start], nToCopy); + +- startIterator = dev->internalStartBlock; +- endIterator = dev->internalEndBlock; + +- /* For each block.... */ +- for (blockIterator = startIterator; !alloc_failed && blockIterator <= endIterator; +- blockIterator++) { ++ yaffs_release_temp_buffer(dev, localBuffer, ++ __LINE__); ++ } + +- YYIELD(); ++ } else { + +- YYIELD(); ++ /* A full chunk. Read directly into the supplied buffer. */ ++ yaffs_rd_data_obj(in, chunk, buffer); + +- blk = blockIterator; ++ } + +- bi = yaffs_GetBlockInfo(dev, blk); +- state = bi->blockState; ++ n -= nToCopy; ++ offset += nToCopy; ++ buffer += nToCopy; ++ nDone += nToCopy; + +- deleted = 0; ++ } + +- /* For each chunk in each block that needs scanning....*/ +- for (c = 0; !alloc_failed && c < dev->nChunksPerBlock && +- state == YAFFS_BLOCK_STATE_NEEDS_SCANNING; c++) { +- /* Read the tags and decide what to do */ +- chunk = blk * dev->nChunksPerBlock + c; ++ return nDone; ++} + +- result = yaffs_ReadChunkWithTagsFromNAND(dev, chunk, NULL, +- &tags); ++int yaffs_do_file_wr(yaffs_obj_t *in, const __u8 *buffer, loff_t offset, ++ int n_bytes, int write_trhrough) ++{ + +- /* Let's have a good look at this chunk... */ ++ int chunk; ++ __u32 start; ++ int nToCopy; ++ int n = n_bytes; ++ int nDone = 0; ++ int nToWriteBack; ++ int startOfWrite = offset; ++ int chunkWritten = 0; ++ __u32 n_bytesRead; ++ __u32 chunkStart; + +- if (tags.eccResult == YAFFS_ECC_RESULT_UNFIXED || tags.chunkDeleted) { +- /* YAFFS1 only... +- * A deleted chunk +- */ +- deleted++; +- dev->nFreeChunks++; +- /*T((" %d %d deleted\n",blk,c)); */ +- } else if (!tags.chunkUsed) { +- /* An unassigned chunk in the block +- * This means that either the block is empty or +- * this is the one being allocated from +- */ ++ yaffs_dev_t *dev; + +- if (c == 0) { +- /* We're looking at the first chunk in the block so the block is unused */ +- state = YAFFS_BLOCK_STATE_EMPTY; +- dev->nErasedBlocks++; +- } else { +- /* this is the block being allocated from */ +- T(YAFFS_TRACE_SCAN, +- (TSTR +- (" Allocating from %d %d" TENDSTR), +- blk, c)); +- state = YAFFS_BLOCK_STATE_ALLOCATING; +- dev->allocationBlock = blk; +- dev->allocationPage = c; +- dev->allocationBlockFinder = blk; +- /* Set it to here to encourage the allocator to go forth from here. */ ++ dev = in->my_dev; + +- } ++ while (n > 0 && chunkWritten >= 0) { ++ yaffs_addr_to_chunk(dev, offset, &chunk, &start); + +- dev->nFreeChunks += (dev->nChunksPerBlock - c); +- } else if (tags.chunkId > 0) { +- /* chunkId > 0 so it is a data chunk... */ +- unsigned int endpos; +- +- yaffs_SetChunkBit(dev, blk, c); +- bi->pagesInUse++; +- +- in = yaffs_FindOrCreateObjectByNumber(dev, +- tags. +- objectId, +- YAFFS_OBJECT_TYPE_FILE); +- /* PutChunkIntoFile checks for a clash (two data chunks with +- * the same chunkId). +- */ ++ if (chunk * dev->data_bytes_per_chunk + start != offset || ++ start >= dev->data_bytes_per_chunk) { ++ T(YAFFS_TRACE_ERROR, ( ++ TSTR("AddrToChunk of offset %d gives chunk %d start %d" ++ TENDSTR), ++ (int)offset, chunk, start)); ++ } ++ chunk++; /* File pos to chunk in file offset */ + +- if (!in) +- alloc_failed = 1; ++ /* OK now check for the curveball where the start and end are in ++ * the same chunk. ++ */ + +- if (in) { +- if (!yaffs_PutChunkIntoFile(in, tags.chunkId, chunk, 1)) +- alloc_failed = 1; +- } ++ if ((start + n) < dev->data_bytes_per_chunk) { ++ nToCopy = n; + +- endpos = +- (tags.chunkId - 1) * dev->nDataBytesPerChunk + +- tags.byteCount; +- if (in && +- in->variantType == YAFFS_OBJECT_TYPE_FILE +- && in->variant.fileVariant.scannedFileSize < +- endpos) { +- in->variant.fileVariant. +- scannedFileSize = endpos; +- if (!dev->useHeaderFileSize) { +- in->variant.fileVariant. +- fileSize = +- in->variant.fileVariant. +- scannedFileSize; +- } ++ /* Now folks, to calculate how many bytes to write back.... ++ * If we're overwriting and not writing to then end of file then ++ * we need to write back as much as was there before. ++ */ + +- } +- /* T((" %d %d data %d %d\n",blk,c,tags.objectId,tags.chunkId)); */ +- } else { +- /* chunkId == 0, so it is an ObjectHeader. +- * Thus, we read in the object header and make the object +- */ +- yaffs_SetChunkBit(dev, blk, c); +- bi->pagesInUse++; ++ chunkStart = ((chunk - 1) * dev->data_bytes_per_chunk); + +- result = yaffs_ReadChunkWithTagsFromNAND(dev, chunk, +- chunkData, +- NULL); +- +- oh = (yaffs_ObjectHeader *) chunkData; +- +- in = yaffs_FindObjectByNumber(dev, +- tags.objectId); +- if (in && in->variantType != oh->type) { +- /* This should not happen, but somehow +- * Wev'e ended up with an objectId that has been reused but not yet +- * deleted, and worse still it has changed type. Delete the old object. +- */ ++ if (chunkStart > in->variant.file_variant.file_size) ++ n_bytesRead = 0; /* Past end of file */ ++ else ++ n_bytesRead = in->variant.file_variant.file_size - chunkStart; + +- yaffs_DeleteObject(in); ++ if (n_bytesRead > dev->data_bytes_per_chunk) ++ n_bytesRead = dev->data_bytes_per_chunk; + +- in = 0; +- } ++ nToWriteBack = ++ (n_bytesRead > ++ (start + n)) ? n_bytesRead : (start + n); + +- in = yaffs_FindOrCreateObjectByNumber(dev, +- tags. +- objectId, +- oh->type); +- +- if (!in) +- alloc_failed = 1; +- +- if (in && oh->shadowsObject > 0) { +- +- struct yaffs_ShadowFixerStruct *fixer; +- fixer = YMALLOC(sizeof(struct yaffs_ShadowFixerStruct)); +- if (fixer) { +- fixer->next = shadowFixerList; +- shadowFixerList = fixer; +- fixer->objectId = tags.objectId; +- fixer->shadowedId = oh->shadowsObject; +- } ++ if (nToWriteBack < 0 || nToWriteBack > dev->data_bytes_per_chunk) ++ YBUG(); ++ ++ } else { ++ nToCopy = dev->data_bytes_per_chunk - start; ++ nToWriteBack = dev->data_bytes_per_chunk; ++ } ++ ++ if (nToCopy != dev->data_bytes_per_chunk || dev->param.inband_tags) { ++ /* An incomplete start or end chunk (or maybe both start and end chunk), ++ * or we're using inband tags, so we want to use the cache buffers. ++ */ ++ if (dev->param.n_caches > 0) { ++ yaffs_cache_t *cache; ++ /* If we can't find the data in the cache, then load the cache */ ++ cache = yaffs_find_chunk_cache(in, chunk); + ++ if (!cache ++ && yaffs_check_alloc_available(dev, 1)) { ++ cache = yaffs_grab_chunk_cache(dev); ++ cache->object = in; ++ cache->chunk_id = chunk; ++ cache->dirty = 0; ++ cache->locked = 0; ++ yaffs_rd_data_obj(in, chunk, ++ cache->data); ++ } else if (cache && ++ !cache->dirty && ++ !yaffs_check_alloc_available(dev, 1)) { ++ /* Drop the cache if it was a read cache item and ++ * no space check has been made for it. ++ */ ++ cache = NULL; + } + +- if (in && in->valid) { +- /* We have already filled this one. We have a duplicate and need to resolve it. */ ++ if (cache) { ++ yaffs_use_cache(dev, cache, 1); ++ cache->locked = 1; + +- unsigned existingSerial = in->serial; +- unsigned newSerial = tags.serialNumber; + +- if (((existingSerial + 1) & 3) == newSerial) { +- /* Use new one - destroy the exisiting one */ +- yaffs_DeleteChunk(dev, +- in->hdrChunk, +- 1, __LINE__); +- in->valid = 0; +- } else { +- /* Use existing - destroy this one. */ +- yaffs_DeleteChunk(dev, chunk, 1, +- __LINE__); ++ memcpy(&cache->data[start], buffer, ++ nToCopy); ++ ++ ++ cache->locked = 0; ++ cache->n_bytes = nToWriteBack; ++ ++ if (write_trhrough) { ++ chunkWritten = ++ yaffs_wr_data_obj ++ (cache->object, ++ cache->chunk_id, ++ cache->data, cache->n_bytes, ++ 1); ++ cache->dirty = 0; + } ++ ++ } else { ++ chunkWritten = -1; /* fail the write */ + } ++ } else { ++ /* An incomplete start or end chunk (or maybe both start and end chunk) ++ * Read into the local buffer then copy, then copy over and write back. ++ */ + +- if (in && !in->valid && +- (tags.objectId == YAFFS_OBJECTID_ROOT || +- tags.objectId == YAFFS_OBJECTID_LOSTNFOUND)) { +- /* We only load some info, don't fiddle with directory structure */ +- in->valid = 1; +- in->variantType = oh->type; ++ __u8 *localBuffer = ++ yaffs_get_temp_buffer(dev, __LINE__); + +- in->yst_mode = oh->yst_mode; +-#ifdef CONFIG_YAFFS_WINCE +- in->win_atime[0] = oh->win_atime[0]; +- in->win_ctime[0] = oh->win_ctime[0]; +- in->win_mtime[0] = oh->win_mtime[0]; +- in->win_atime[1] = oh->win_atime[1]; +- in->win_ctime[1] = oh->win_ctime[1]; +- in->win_mtime[1] = oh->win_mtime[1]; +-#else +- in->yst_uid = oh->yst_uid; +- in->yst_gid = oh->yst_gid; +- in->yst_atime = oh->yst_atime; +- in->yst_mtime = oh->yst_mtime; +- in->yst_ctime = oh->yst_ctime; +- in->yst_rdev = oh->yst_rdev; +-#endif +- in->hdrChunk = chunk; +- in->serial = tags.serialNumber; ++ yaffs_rd_data_obj(in, chunk, ++ localBuffer); + +- } else if (in && !in->valid) { +- /* we need to load this info */ + +- in->valid = 1; +- in->variantType = oh->type; + +- in->yst_mode = oh->yst_mode; +-#ifdef CONFIG_YAFFS_WINCE +- in->win_atime[0] = oh->win_atime[0]; +- in->win_ctime[0] = oh->win_ctime[0]; +- in->win_mtime[0] = oh->win_mtime[0]; +- in->win_atime[1] = oh->win_atime[1]; +- in->win_ctime[1] = oh->win_ctime[1]; +- in->win_mtime[1] = oh->win_mtime[1]; +-#else +- in->yst_uid = oh->yst_uid; +- in->yst_gid = oh->yst_gid; +- in->yst_atime = oh->yst_atime; +- in->yst_mtime = oh->yst_mtime; +- in->yst_ctime = oh->yst_ctime; +- in->yst_rdev = oh->yst_rdev; +-#endif +- in->hdrChunk = chunk; +- in->serial = tags.serialNumber; ++ memcpy(&localBuffer[start], buffer, nToCopy); + +- yaffs_SetObjectName(in, oh->name); +- in->dirty = 0; ++ chunkWritten = ++ yaffs_wr_data_obj(in, chunk, ++ localBuffer, ++ nToWriteBack, ++ 0); + +- /* directory stuff... +- * hook up to parent +- */ ++ yaffs_release_temp_buffer(dev, localBuffer, ++ __LINE__); + +- parent = +- yaffs_FindOrCreateObjectByNumber +- (dev, oh->parentObjectId, +- YAFFS_OBJECT_TYPE_DIRECTORY); +- if (!parent) +- alloc_failed = 1; +- if (parent && parent->variantType == +- YAFFS_OBJECT_TYPE_UNKNOWN) { +- /* Set up as a directory */ +- parent->variantType = +- YAFFS_OBJECT_TYPE_DIRECTORY; +- YINIT_LIST_HEAD(&parent->variant. +- directoryVariant. +- children); +- } else if (!parent || parent->variantType != +- YAFFS_OBJECT_TYPE_DIRECTORY) { +- /* Hoosterman, another problem.... +- * We're trying to use a non-directory as a directory +- */ ++ } + +- T(YAFFS_TRACE_ERROR, +- (TSTR +- ("yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found." +- TENDSTR))); +- parent = dev->lostNFoundDir; +- } ++ } else { ++ /* A full chunk. Write directly from the supplied buffer. */ + +- yaffs_AddObjectToDirectory(parent, in); + +- if (0 && (parent == dev->deletedDir || +- parent == dev->unlinkedDir)) { +- in->deleted = 1; /* If it is unlinked at start up then it wants deleting */ +- dev->nDeletedFiles++; +- } +- /* Note re hardlinks. +- * Since we might scan a hardlink before its equivalent object is scanned +- * we put them all in a list. +- * After scanning is complete, we should have all the objects, so we run through this +- * list and fix up all the chains. +- */ + +- switch (in->variantType) { +- case YAFFS_OBJECT_TYPE_UNKNOWN: +- /* Todo got a problem */ +- break; +- case YAFFS_OBJECT_TYPE_FILE: +- if (dev->useHeaderFileSize) +- +- in->variant.fileVariant. +- fileSize = +- oh->fileSize; +- +- break; +- case YAFFS_OBJECT_TYPE_HARDLINK: +- in->variant.hardLinkVariant. +- equivalentObjectId = +- oh->equivalentObjectId; +- in->hardLinks.next = +- (struct ylist_head *) +- hardList; +- hardList = in; +- break; +- case YAFFS_OBJECT_TYPE_DIRECTORY: +- /* Do nothing */ +- break; +- case YAFFS_OBJECT_TYPE_SPECIAL: +- /* Do nothing */ +- break; +- case YAFFS_OBJECT_TYPE_SYMLINK: +- in->variant.symLinkVariant.alias = +- yaffs_CloneString(oh->alias); +- if (!in->variant.symLinkVariant.alias) +- alloc_failed = 1; +- break; +- } ++ chunkWritten = ++ yaffs_wr_data_obj(in, chunk, buffer, ++ dev->data_bytes_per_chunk, ++ 0); + +-/* +- if (parent == dev->deletedDir) { +- yaffs_DestroyObject(in); +- bi->hasShrinkHeader = 1; +- } +-*/ +- } +- } ++ /* Since we've overwritten the cached data, we better invalidate it. */ ++ yaffs_invalidate_chunk_cache(in, chunk); + } + +- if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING) { +- /* If we got this far while scanning, then the block is fully allocated.*/ +- state = YAFFS_BLOCK_STATE_FULL; ++ if (chunkWritten >= 0) { ++ n -= nToCopy; ++ offset += nToCopy; ++ buffer += nToCopy; ++ nDone += nToCopy; + } + +- bi->blockState = state; ++ } + +- /* Now let's see if it was dirty */ +- if (bi->pagesInUse == 0 && +- !bi->hasShrinkHeader && +- bi->blockState == YAFFS_BLOCK_STATE_FULL) { +- yaffs_BlockBecameDirty(dev, blk); +- } ++ /* Update file object */ + +- } ++ if ((startOfWrite + nDone) > in->variant.file_variant.file_size) ++ in->variant.file_variant.file_size = (startOfWrite + nDone); + ++ in->dirty = 1; + +- /* Ok, we've done all the scanning. +- * Fix up the hard link chains. +- * We should now have scanned all the objects, now it's time to add these +- * hardlinks. +- */ ++ return nDone; ++} + +- yaffs_HardlinkFixup(dev, hardList); ++int yaffs_wr_file(yaffs_obj_t *in, const __u8 *buffer, loff_t offset, ++ int n_bytes, int write_trhrough) ++{ ++ yaffs2_handle_hole(in,offset); ++ return yaffs_do_file_wr(in,buffer,offset,n_bytes,write_trhrough); ++} + +- /* Fix up any shadowed objects */ +- { +- struct yaffs_ShadowFixerStruct *fixer; +- yaffs_Object *obj; +- +- while (shadowFixerList) { +- fixer = shadowFixerList; +- shadowFixerList = fixer->next; +- /* Complete the rename transaction by deleting the shadowed object +- * then setting the object header to unshadowed. +- */ +- obj = yaffs_FindObjectByNumber(dev, fixer->shadowedId); +- if (obj) +- yaffs_DeleteObject(obj); + +- obj = yaffs_FindObjectByNumber(dev, fixer->objectId); + +- if (obj) +- yaffs_UpdateObjectHeader(obj, NULL, 1, 0, 0); ++/* ---------------------- File resizing stuff ------------------ */ + +- YFREE(fixer); +- } +- } ++static void yaffs_prune_chunks(yaffs_obj_t *in, int new_size) ++{ + +- yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__); ++ yaffs_dev_t *dev = in->my_dev; ++ int oldFileSize = in->variant.file_variant.file_size; + +- if (alloc_failed) +- return YAFFS_FAIL; ++ int lastDel = 1 + (oldFileSize - 1) / dev->data_bytes_per_chunk; ++ ++ int startDel = 1 + (new_size + dev->data_bytes_per_chunk - 1) / ++ dev->data_bytes_per_chunk; ++ int i; ++ int chunk_id; + +- T(YAFFS_TRACE_SCAN, (TSTR("yaffs_Scan ends" TENDSTR))); ++ /* Delete backwards so that we don't end up with holes if ++ * power is lost part-way through the operation. ++ */ ++ for (i = lastDel; i >= startDel; i--) { ++ /* NB this could be optimised somewhat, ++ * eg. could retrieve the tags and write them without ++ * using yaffs_chunk_del ++ */ + ++ chunk_id = yaffs_find_del_file_chunk(in, i, NULL); ++ if (chunk_id > 0) { ++ if (chunk_id < ++ (dev->internal_start_block * dev->param.chunks_per_block) ++ || chunk_id >= ++ ((dev->internal_end_block + ++ 1) * dev->param.chunks_per_block)) { ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR("Found daft chunk_id %d for %d" TENDSTR), ++ chunk_id, i)); ++ } else { ++ in->n_data_chunks--; ++ yaffs_chunk_del(dev, chunk_id, 1, __LINE__); ++ } ++ } ++ } + +- return YAFFS_OK; + } + +-static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in) +-{ +- __u8 *chunkData; +- yaffs_ObjectHeader *oh; +- yaffs_Device *dev; +- yaffs_ExtendedTags tags; +- int result; +- int alloc_failed = 0; + +- if (!in) +- return; ++void yaffs_resize_file_down( yaffs_obj_t *obj, loff_t new_size) ++{ ++ int newFullChunks; ++ __u32 new_sizeOfPartialChunk; ++ yaffs_dev_t *dev = obj->my_dev; + +- dev = in->myDev; ++ yaffs_addr_to_chunk(dev, new_size, &newFullChunks, &new_sizeOfPartialChunk); + +-#if 0 +- T(YAFFS_TRACE_SCAN, (TSTR("details for object %d %s loaded" TENDSTR), +- in->objectId, +- in->lazyLoaded ? "not yet" : "already")); +-#endif ++ yaffs_prune_chunks(obj, new_size); + +- if (in->lazyLoaded && in->hdrChunk > 0) { +- in->lazyLoaded = 0; +- chunkData = yaffs_GetTempBuffer(dev, __LINE__); ++ if (new_sizeOfPartialChunk != 0) { ++ int lastChunk = 1 + newFullChunks; ++ __u8 *localBuffer = yaffs_get_temp_buffer(dev, __LINE__); + +- result = yaffs_ReadChunkWithTagsFromNAND(dev, in->hdrChunk, chunkData, &tags); +- oh = (yaffs_ObjectHeader *) chunkData; ++ /* Got to read and rewrite the last chunk with its new size and zero pad */ ++ yaffs_rd_data_obj(obj, lastChunk, localBuffer); ++ memset(localBuffer + new_sizeOfPartialChunk, 0, ++ dev->data_bytes_per_chunk - new_sizeOfPartialChunk); + +- in->yst_mode = oh->yst_mode; +-#ifdef CONFIG_YAFFS_WINCE +- in->win_atime[0] = oh->win_atime[0]; +- in->win_ctime[0] = oh->win_ctime[0]; +- in->win_mtime[0] = oh->win_mtime[0]; +- in->win_atime[1] = oh->win_atime[1]; +- in->win_ctime[1] = oh->win_ctime[1]; +- in->win_mtime[1] = oh->win_mtime[1]; +-#else +- in->yst_uid = oh->yst_uid; +- in->yst_gid = oh->yst_gid; +- in->yst_atime = oh->yst_atime; +- in->yst_mtime = oh->yst_mtime; +- in->yst_ctime = oh->yst_ctime; +- in->yst_rdev = oh->yst_rdev; ++ yaffs_wr_data_obj(obj, lastChunk, localBuffer, ++ new_sizeOfPartialChunk, 1); + +-#endif +- yaffs_SetObjectName(in, oh->name); ++ yaffs_release_temp_buffer(dev, localBuffer, __LINE__); ++ } + +- if (in->variantType == YAFFS_OBJECT_TYPE_SYMLINK) { +- in->variant.symLinkVariant.alias = +- yaffs_CloneString(oh->alias); +- if (!in->variant.symLinkVariant.alias) +- alloc_failed = 1; /* Not returned to caller */ +- } ++ obj->variant.file_variant.file_size = new_size; + +- yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__); +- } ++ yaffs_prune_tree(dev, &obj->variant.file_variant); + } + +-static int yaffs_ScanBackwards(yaffs_Device *dev) +-{ +- yaffs_ExtendedTags tags; +- int blk; +- int blockIterator; +- int startIterator; +- int endIterator; +- int nBlocksToScan = 0; +- +- int chunk; +- int result; +- int c; +- int deleted; +- yaffs_BlockState state; +- yaffs_Object *hardList = NULL; +- yaffs_BlockInfo *bi; +- __u32 sequenceNumber; +- yaffs_ObjectHeader *oh; +- yaffs_Object *in; +- yaffs_Object *parent; +- int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1; +- int itsUnlinked; +- __u8 *chunkData; + +- int fileSize; +- int isShrink; +- int foundChunksInBlock; +- int equivalentObjectId; +- int alloc_failed = 0; ++int yaffs_resize_file(yaffs_obj_t *in, loff_t new_size) ++{ ++ yaffs_dev_t *dev = in->my_dev; ++ int oldFileSize = in->variant.file_variant.file_size; + ++ yaffs_flush_file_cache(in); ++ yaffs_invalidate_whole_cache(in); + +- yaffs_BlockIndex *blockIndex = NULL; +- int altBlockIndex = 0; ++ yaffs_check_gc(dev,0); + +- if (!dev->isYaffs2) { +- T(YAFFS_TRACE_SCAN, +- (TSTR("yaffs_ScanBackwards is only for YAFFS2!" TENDSTR))); ++ if (in->variant_type != YAFFS_OBJECT_TYPE_FILE) + return YAFFS_FAIL; +- } + +- T(YAFFS_TRACE_SCAN, +- (TSTR +- ("yaffs_ScanBackwards starts intstartblk %d intendblk %d..." +- TENDSTR), dev->internalStartBlock, dev->internalEndBlock)); ++ if (new_size == oldFileSize) ++ return YAFFS_OK; ++ ++ if(new_size > oldFileSize){ ++ yaffs2_handle_hole(in,new_size); ++ in->variant.file_variant.file_size = new_size; ++ } else { ++ /* new_size < oldFileSize */ ++ yaffs_resize_file_down(in, new_size); ++ } + ++ /* Write a new object header to reflect the resize. ++ * show we've shrunk the file, if need be ++ * Do this only if the file is not in the deleted directories ++ * and is not shadowed. ++ */ ++ if (in->parent && ++ !in->is_shadowed && ++ in->parent->obj_id != YAFFS_OBJECTID_UNLINKED && ++ in->parent->obj_id != YAFFS_OBJECTID_DELETED) ++ yaffs_update_oh(in, NULL, 0, 0, 0, NULL); + +- dev->sequenceNumber = YAFFS_LOWEST_SEQUENCE_NUMBER; + +- blockIndex = YMALLOC(nBlocks * sizeof(yaffs_BlockIndex)); ++ return YAFFS_OK; ++} + +- if (!blockIndex) { +- blockIndex = YMALLOC_ALT(nBlocks * sizeof(yaffs_BlockIndex)); +- altBlockIndex = 1; +- } ++loff_t yaffs_get_file_size(yaffs_obj_t *obj) ++{ ++ YCHAR *alias = NULL; ++ obj = yaffs_get_equivalent_obj(obj); + +- if (!blockIndex) { +- T(YAFFS_TRACE_SCAN, +- (TSTR("yaffs_Scan() could not allocate block index!" TENDSTR))); +- return YAFFS_FAIL; ++ switch (obj->variant_type) { ++ case YAFFS_OBJECT_TYPE_FILE: ++ return obj->variant.file_variant.file_size; ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ alias = obj->variant.symlink_variant.alias; ++ if(!alias) ++ return 0; ++ return yaffs_strnlen(alias,YAFFS_MAX_ALIAS_LENGTH); ++ default: ++ return 0; + } ++} + +- dev->blocksInCheckpoint = 0; +- +- chunkData = yaffs_GetTempBuffer(dev, __LINE__); +- +- /* Scan all the blocks to determine their state */ +- for (blk = dev->internalStartBlock; blk <= dev->internalEndBlock; blk++) { +- bi = yaffs_GetBlockInfo(dev, blk); +- yaffs_ClearChunkBits(dev, blk); +- bi->pagesInUse = 0; +- bi->softDeletions = 0; +- +- yaffs_QueryInitialBlockState(dev, blk, &state, &sequenceNumber); + +- bi->blockState = state; +- bi->sequenceNumber = sequenceNumber; + +- if (bi->sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA) +- bi->blockState = state = YAFFS_BLOCK_STATE_CHECKPOINT; +- if (bi->sequenceNumber == YAFFS_SEQUENCE_BAD_BLOCK) +- bi->blockState = state = YAFFS_BLOCK_STATE_DEAD; ++int yaffs_flush_file(yaffs_obj_t *in, int update_time, int data_sync) ++{ ++ int retVal; ++ if (in->dirty) { ++ yaffs_flush_file_cache(in); ++ if(data_sync) /* Only sync data */ ++ retVal=YAFFS_OK; ++ else { ++ if (update_time) { ++#ifdef CONFIG_YAFFS_WINCE ++ yfsd_win_file_time_now(in->win_mtime); ++#else + +- T(YAFFS_TRACE_SCAN_DEBUG, +- (TSTR("Block scanning block %d state %d seq %d" TENDSTR), blk, +- state, sequenceNumber)); ++ in->yst_mtime = Y_CURRENT_TIME; + ++#endif ++ } + +- if (state == YAFFS_BLOCK_STATE_CHECKPOINT) { +- dev->blocksInCheckpoint++; ++ retVal = (yaffs_update_oh(in, NULL, 0, 0, 0, NULL) >= ++ 0) ? YAFFS_OK : YAFFS_FAIL; ++ } ++ } else { ++ retVal = YAFFS_OK; ++ } + +- } else if (state == YAFFS_BLOCK_STATE_DEAD) { +- T(YAFFS_TRACE_BAD_BLOCKS, +- (TSTR("block %d is bad" TENDSTR), blk)); +- } else if (state == YAFFS_BLOCK_STATE_EMPTY) { +- T(YAFFS_TRACE_SCAN_DEBUG, +- (TSTR("Block empty " TENDSTR))); +- dev->nErasedBlocks++; +- dev->nFreeChunks += dev->nChunksPerBlock; +- } else if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING) { ++ return retVal; + +- /* Determine the highest sequence number */ +- if (sequenceNumber >= YAFFS_LOWEST_SEQUENCE_NUMBER && +- sequenceNumber < YAFFS_HIGHEST_SEQUENCE_NUMBER) { ++} + +- blockIndex[nBlocksToScan].seq = sequenceNumber; +- blockIndex[nBlocksToScan].block = blk; ++static int yaffs_generic_obj_del(yaffs_obj_t *in) ++{ + +- nBlocksToScan++; ++ /* First off, invalidate the file's data in the cache, without flushing. */ ++ yaffs_invalidate_whole_cache(in); + +- if (sequenceNumber >= dev->sequenceNumber) +- dev->sequenceNumber = sequenceNumber; +- } else { +- /* TODO: Nasty sequence number! */ +- T(YAFFS_TRACE_SCAN, +- (TSTR +- ("Block scanning block %d has bad sequence number %d" +- TENDSTR), blk, sequenceNumber)); ++ if (in->my_dev->param.is_yaffs2 && (in->parent != in->my_dev->del_dir)) { ++ /* Move to the unlinked directory so we have a record that it was deleted. */ ++ yaffs_change_obj_name(in, in->my_dev->del_dir, _Y("deleted"), 0, 0); + +- } +- } + } + +- T(YAFFS_TRACE_SCAN, +- (TSTR("%d blocks to be sorted..." TENDSTR), nBlocksToScan)); ++ yaffs_remove_obj_from_dir(in); ++ yaffs_chunk_del(in->my_dev, in->hdr_chunk, 1, __LINE__); ++ in->hdr_chunk = 0; + ++ yaffs_free_obj(in); ++ return YAFFS_OK; + ++} + +- YYIELD(); ++/* yaffs_del_file deletes the whole file data ++ * and the inode associated with the file. ++ * It does not delete the links associated with the file. ++ */ ++static int yaffs_unlink_file_if_needed(yaffs_obj_t *in) ++{ + +- /* Sort the blocks */ +-#ifndef CONFIG_YAFFS_USE_OWN_SORT +- { +- /* Use qsort now. */ +- yaffs_qsort(blockIndex, nBlocksToScan, sizeof(yaffs_BlockIndex), ybicmp); +- } +-#else +- { +- /* Dungy old bubble sort... */ ++ int retVal; ++ int immediateDeletion = 0; ++ yaffs_dev_t *dev = in->my_dev; + +- yaffs_BlockIndex temp; +- int i; +- int j; ++ if (!in->my_inode) ++ immediateDeletion = 1; + +- for (i = 0; i < nBlocksToScan; i++) +- for (j = i + 1; j < nBlocksToScan; j++) +- if (blockIndex[i].seq > blockIndex[j].seq) { +- temp = blockIndex[j]; +- blockIndex[j] = blockIndex[i]; +- blockIndex[i] = temp; +- } ++ if (immediateDeletion) { ++ retVal = ++ yaffs_change_obj_name(in, in->my_dev->del_dir, ++ _Y("deleted"), 0, 0); ++ T(YAFFS_TRACE_TRACING, ++ (TSTR("yaffs: immediate deletion of file %d" TENDSTR), ++ in->obj_id)); ++ in->deleted = 1; ++ in->my_dev->n_deleted_files++; ++ if (dev->param.disable_soft_del || dev->param.is_yaffs2) ++ yaffs_resize_file(in, 0); ++ yaffs_soft_del_file(in); ++ } else { ++ retVal = ++ yaffs_change_obj_name(in, in->my_dev->unlinked_dir, ++ _Y("unlinked"), 0, 0); + } +-#endif + +- YYIELD(); + +- T(YAFFS_TRACE_SCAN, (TSTR("...done" TENDSTR))); ++ return retVal; ++} + +- /* Now scan the blocks looking at the data. */ +- startIterator = 0; +- endIterator = nBlocksToScan - 1; +- T(YAFFS_TRACE_SCAN_DEBUG, +- (TSTR("%d blocks to be scanned" TENDSTR), nBlocksToScan)); ++int yaffs_del_file(yaffs_obj_t *in) ++{ ++ int retVal = YAFFS_OK; ++ int deleted; /* Need to cache value on stack if in is freed */ ++ yaffs_dev_t *dev = in->my_dev; + +- /* For each block.... backwards */ +- for (blockIterator = endIterator; !alloc_failed && blockIterator >= startIterator; +- blockIterator--) { +- /* Cooperative multitasking! This loop can run for so +- long that watchdog timers expire. */ +- YYIELD(); ++ if (dev->param.disable_soft_del || dev->param.is_yaffs2) ++ yaffs_resize_file(in, 0); + +- /* get the block to scan in the correct order */ +- blk = blockIndex[blockIterator].block; ++ if (in->n_data_chunks > 0) { ++ /* Use soft deletion if there is data in the file. ++ * That won't be the case if it has been resized to zero. ++ */ ++ if (!in->unlinked) ++ retVal = yaffs_unlink_file_if_needed(in); + +- bi = yaffs_GetBlockInfo(dev, blk); ++ deleted = in->deleted; + ++ if (retVal == YAFFS_OK && in->unlinked && !in->deleted) { ++ in->deleted = 1; ++ deleted = 1; ++ in->my_dev->n_deleted_files++; ++ yaffs_soft_del_file(in); ++ } ++ return deleted ? YAFFS_OK : YAFFS_FAIL; ++ } else { ++ /* The file has no data chunks so we toss it immediately */ ++ yaffs_free_tnode(in->my_dev, in->variant.file_variant.top); ++ in->variant.file_variant.top = NULL; ++ yaffs_generic_obj_del(in); + +- state = bi->blockState; ++ return YAFFS_OK; ++ } ++} + +- deleted = 0; ++static int yaffs_is_non_empty_dir(yaffs_obj_t *obj) ++{ ++ return (obj->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY) && ++ !(ylist_empty(&obj->variant.dir_variant.children)); ++} + +- /* For each chunk in each block that needs scanning.... */ +- foundChunksInBlock = 0; +- for (c = dev->nChunksPerBlock - 1; +- !alloc_failed && c >= 0 && +- (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING || +- state == YAFFS_BLOCK_STATE_ALLOCATING); c--) { +- /* Scan backwards... +- * Read the tags and decide what to do +- */ ++static int yaffs_del_dir(yaffs_obj_t *obj) ++{ ++ /* First check that the directory is empty. */ ++ if (yaffs_is_non_empty_dir(obj)) ++ return YAFFS_FAIL; + +- chunk = blk * dev->nChunksPerBlock + c; ++ return yaffs_generic_obj_del(obj); ++} + +- result = yaffs_ReadChunkWithTagsFromNAND(dev, chunk, NULL, +- &tags); ++static int yaffs_del_symlink(yaffs_obj_t *in) ++{ ++ if(in->variant.symlink_variant.alias) ++ YFREE(in->variant.symlink_variant.alias); ++ in->variant.symlink_variant.alias=NULL; + +- /* Let's have a good look at this chunk... */ ++ return yaffs_generic_obj_del(in); ++} + +- if (!tags.chunkUsed) { +- /* An unassigned chunk in the block. +- * If there are used chunks after this one, then +- * it is a chunk that was skipped due to failing the erased +- * check. Just skip it so that it can be deleted. +- * But, more typically, We get here when this is an unallocated +- * chunk and his means that either the block is empty or +- * this is the one being allocated from +- */ ++static int yaffs_del_link(yaffs_obj_t *in) ++{ ++ /* remove this hardlink from the list assocaited with the equivalent ++ * object ++ */ ++ ylist_del_init(&in->hard_links); ++ return yaffs_generic_obj_del(in); ++} + +- if (foundChunksInBlock) { +- /* This is a chunk that was skipped due to failing the erased check */ +- } else if (c == 0) { +- /* We're looking at the first chunk in the block so the block is unused */ +- state = YAFFS_BLOCK_STATE_EMPTY; +- dev->nErasedBlocks++; +- } else { +- if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING || +- state == YAFFS_BLOCK_STATE_ALLOCATING) { +- if (dev->sequenceNumber == bi->sequenceNumber) { +- /* this is the block being allocated from */ +- +- T(YAFFS_TRACE_SCAN, +- (TSTR +- (" Allocating from %d %d" +- TENDSTR), blk, c)); +- +- state = YAFFS_BLOCK_STATE_ALLOCATING; +- dev->allocationBlock = blk; +- dev->allocationPage = c; +- dev->allocationBlockFinder = blk; +- } else { +- /* This is a partially written block that is not +- * the current allocation block. This block must have +- * had a write failure, so set up for retirement. +- */ +- +- /* bi->needsRetiring = 1; ??? TODO */ +- bi->gcPrioritise = 1; +- +- T(YAFFS_TRACE_ALWAYS, +- (TSTR("Partially written block %d detected" TENDSTR), +- blk)); +- } +- } +- } ++int yaffs_del_obj(yaffs_obj_t *obj) ++{ ++int retVal = -1; ++ switch (obj->variant_type) { ++ case YAFFS_OBJECT_TYPE_FILE: ++ retVal = yaffs_del_file(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_DIRECTORY: ++ if(!ylist_empty(&obj->variant.dir_variant.dirty)){ ++ T(YAFFS_TRACE_BACKGROUND, (TSTR("Remove object %d from dirty directories" TENDSTR),obj->obj_id)); ++ ylist_del_init(&obj->variant.dir_variant.dirty); ++ } ++ return yaffs_del_dir(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ retVal = yaffs_del_symlink(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_HARDLINK: ++ retVal = yaffs_del_link(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_SPECIAL: ++ retVal = yaffs_generic_obj_del(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_UNKNOWN: ++ retVal = 0; ++ break; /* should not happen. */ ++ } + +- dev->nFreeChunks++; ++ return retVal; ++} + +- } else if (tags.eccResult == YAFFS_ECC_RESULT_UNFIXED) { +- T(YAFFS_TRACE_SCAN, +- (TSTR(" Unfixed ECC in chunk(%d:%d), chunk ignored"TENDSTR), +- blk, c)); +- +- dev->nFreeChunks++; +- +- } else if (tags.chunkId > 0) { +- /* chunkId > 0 so it is a data chunk... */ +- unsigned int endpos; +- __u32 chunkBase = +- (tags.chunkId - 1) * dev->nDataBytesPerChunk; +- +- foundChunksInBlock = 1; +- +- +- yaffs_SetChunkBit(dev, blk, c); +- bi->pagesInUse++; +- +- in = yaffs_FindOrCreateObjectByNumber(dev, +- tags. +- objectId, +- YAFFS_OBJECT_TYPE_FILE); +- if (!in) { +- /* Out of memory */ +- alloc_failed = 1; +- } ++static int yaffs_unlink_worker(yaffs_obj_t *obj) ++{ + +- if (in && +- in->variantType == YAFFS_OBJECT_TYPE_FILE +- && chunkBase < +- in->variant.fileVariant.shrinkSize) { +- /* This has not been invalidated by a resize */ +- if (!yaffs_PutChunkIntoFile(in, tags.chunkId, +- chunk, -1)) { +- alloc_failed = 1; +- } ++ int immediateDeletion = 0; + +- /* File size is calculated by looking at the data chunks if we have not +- * seen an object header yet. Stop this practice once we find an object header. +- */ +- endpos = +- (tags.chunkId - +- 1) * dev->nDataBytesPerChunk + +- tags.byteCount; +- +- if (!in->valid && /* have not got an object header yet */ +- in->variant.fileVariant. +- scannedFileSize < endpos) { +- in->variant.fileVariant. +- scannedFileSize = endpos; +- in->variant.fileVariant. +- fileSize = +- in->variant.fileVariant. +- scannedFileSize; +- } ++ if (!obj->my_inode) ++ immediateDeletion = 1; + +- } else if (in) { +- /* This chunk has been invalidated by a resize, so delete */ +- yaffs_DeleteChunk(dev, chunk, 1, __LINE__); ++ if(obj) ++ yaffs_update_parent(obj->parent); + +- } +- } else { +- /* chunkId == 0, so it is an ObjectHeader. +- * Thus, we read in the object header and make the object +- */ +- foundChunksInBlock = 1; ++ if (obj->variant_type == YAFFS_OBJECT_TYPE_HARDLINK) { ++ return yaffs_del_link(obj); ++ } else if (!ylist_empty(&obj->hard_links)) { ++ /* Curve ball: We're unlinking an object that has a hardlink. ++ * ++ * This problem arises because we are not strictly following ++ * The Linux link/inode model. ++ * ++ * We can't really delete the object. ++ * Instead, we do the following: ++ * - Select a hardlink. ++ * - Unhook it from the hard links ++ * - Move it from its parent directory (so that the rename can work) ++ * - Rename the object to the hardlink's name. ++ * - Delete the hardlink ++ */ + +- yaffs_SetChunkBit(dev, blk, c); +- bi->pagesInUse++; ++ yaffs_obj_t *hl; ++ yaffs_obj_t *parent; ++ int retVal; ++ YCHAR name[YAFFS_MAX_NAME_LENGTH + 1]; + +- oh = NULL; +- in = NULL; ++ hl = ylist_entry(obj->hard_links.next, yaffs_obj_t, hard_links); + +- if (tags.extraHeaderInfoAvailable) { +- in = yaffs_FindOrCreateObjectByNumber +- (dev, tags.objectId, +- tags.extraObjectType); +- if (!in) +- alloc_failed = 1; +- } ++ yaffs_get_obj_name(hl, name, YAFFS_MAX_NAME_LENGTH + 1); ++ parent = hl->parent; + +- if (!in || +-#ifdef CONFIG_YAFFS_DISABLE_LAZY_LOAD +- !in->valid || +-#endif +- tags.extraShadows || +- (!in->valid && +- (tags.objectId == YAFFS_OBJECTID_ROOT || +- tags.objectId == YAFFS_OBJECTID_LOSTNFOUND))) { +- +- /* If we don't have valid info then we need to read the chunk +- * TODO In future we can probably defer reading the chunk and +- * living with invalid data until needed. +- */ ++ ylist_del_init(&hl->hard_links); + +- result = yaffs_ReadChunkWithTagsFromNAND(dev, +- chunk, +- chunkData, +- NULL); +- +- oh = (yaffs_ObjectHeader *) chunkData; +- +- if (dev->inbandTags) { +- /* Fix up the header if they got corrupted by inband tags */ +- oh->shadowsObject = oh->inbandShadowsObject; +- oh->isShrink = oh->inbandIsShrink; +- } ++ yaffs_add_obj_to_dir(obj->my_dev->unlinked_dir, hl); + +- if (!in) { +- in = yaffs_FindOrCreateObjectByNumber(dev, tags.objectId, oh->type); +- if (!in) +- alloc_failed = 1; +- } ++ retVal = yaffs_change_obj_name(obj,parent, name, 0, 0); + +- } ++ if (retVal == YAFFS_OK) ++ retVal = yaffs_generic_obj_del(hl); + +- if (!in) { +- /* TODO Hoosterman we have a problem! */ +- T(YAFFS_TRACE_ERROR, +- (TSTR +- ("yaffs tragedy: Could not make object for object %d at chunk %d during scan" +- TENDSTR), tags.objectId, chunk)); +- continue; +- } ++ return retVal; + +- if (in->valid) { +- /* We have already filled this one. +- * We have a duplicate that will be discarded, but +- * we first have to suck out resize info if it is a file. +- */ ++ } else if (immediateDeletion) { ++ switch (obj->variant_type) { ++ case YAFFS_OBJECT_TYPE_FILE: ++ return yaffs_del_file(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_DIRECTORY: ++ ylist_del_init(&obj->variant.dir_variant.dirty); ++ return yaffs_del_dir(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ return yaffs_del_symlink(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_SPECIAL: ++ return yaffs_generic_obj_del(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_HARDLINK: ++ case YAFFS_OBJECT_TYPE_UNKNOWN: ++ default: ++ return YAFFS_FAIL; ++ } ++ } else if(yaffs_is_non_empty_dir(obj)) ++ return YAFFS_FAIL; ++ else ++ return yaffs_change_obj_name(obj, obj->my_dev->unlinked_dir, ++ _Y("unlinked"), 0, 0); ++} + +- if ((in->variantType == YAFFS_OBJECT_TYPE_FILE) && +- ((oh && +- oh->type == YAFFS_OBJECT_TYPE_FILE) || +- (tags.extraHeaderInfoAvailable && +- tags.extraObjectType == YAFFS_OBJECT_TYPE_FILE))) { +- __u32 thisSize = +- (oh) ? oh->fileSize : tags. +- extraFileLength; +- __u32 parentObjectId = +- (oh) ? oh-> +- parentObjectId : tags. +- extraParentObjectId; +- +- +- isShrink = +- (oh) ? oh->isShrink : tags. +- extraIsShrinkHeader; + +- /* If it is deleted (unlinked at start also means deleted) +- * we treat the file size as being zeroed at this point. +- */ +- if (parentObjectId == +- YAFFS_OBJECTID_DELETED +- || parentObjectId == +- YAFFS_OBJECTID_UNLINKED) { +- thisSize = 0; +- isShrink = 1; +- } ++static int yaffs_unlink_obj(yaffs_obj_t *obj) ++{ + +- if (isShrink && +- in->variant.fileVariant. +- shrinkSize > thisSize) { +- in->variant.fileVariant. +- shrinkSize = +- thisSize; +- } ++ if (obj && obj->unlink_allowed) ++ return yaffs_unlink_worker(obj); + +- if (isShrink) +- bi->hasShrinkHeader = 1; ++ return YAFFS_FAIL; + +- } +- /* Use existing - destroy this one. */ +- yaffs_DeleteChunk(dev, chunk, 1, __LINE__); ++} ++int yaffs_unlinker(yaffs_obj_t *dir, const YCHAR *name) ++{ ++ yaffs_obj_t *obj; + +- } ++ obj = yaffs_find_by_name(dir, name); ++ return yaffs_unlink_obj(obj); ++} + +- if (!in->valid && in->variantType != +- (oh ? oh->type : tags.extraObjectType)) +- T(YAFFS_TRACE_ERROR, ( +- TSTR("yaffs tragedy: Bad object type, " +- TCONT("%d != %d, for object %d at chunk ") +- TCONT("%d during scan") +- TENDSTR), oh ? +- oh->type : tags.extraObjectType, +- in->variantType, tags.objectId, +- chunk)); +- +- if (!in->valid && +- (tags.objectId == YAFFS_OBJECTID_ROOT || +- tags.objectId == +- YAFFS_OBJECTID_LOSTNFOUND)) { +- /* We only load some info, don't fiddle with directory structure */ +- in->valid = 1; ++/*----------------------- Initialisation Scanning ---------------------- */ + +- if (oh) { +- in->variantType = oh->type; ++void yaffs_handle_shadowed_obj(yaffs_dev_t *dev, int obj_id, ++ int backward_scanning) ++{ ++ yaffs_obj_t *obj; + +- in->yst_mode = oh->yst_mode; +-#ifdef CONFIG_YAFFS_WINCE +- in->win_atime[0] = oh->win_atime[0]; +- in->win_ctime[0] = oh->win_ctime[0]; +- in->win_mtime[0] = oh->win_mtime[0]; +- in->win_atime[1] = oh->win_atime[1]; +- in->win_ctime[1] = oh->win_ctime[1]; +- in->win_mtime[1] = oh->win_mtime[1]; +-#else +- in->yst_uid = oh->yst_uid; +- in->yst_gid = oh->yst_gid; +- in->yst_atime = oh->yst_atime; +- in->yst_mtime = oh->yst_mtime; +- in->yst_ctime = oh->yst_ctime; +- in->yst_rdev = oh->yst_rdev; ++ if (!backward_scanning) { ++ /* Handle YAFFS1 forward scanning case ++ * For YAFFS1 we always do the deletion ++ */ + +-#endif +- } else { +- in->variantType = tags.extraObjectType; +- in->lazyLoaded = 1; +- } ++ } else { ++ /* Handle YAFFS2 case (backward scanning) ++ * If the shadowed object exists then ignore. ++ */ ++ obj = yaffs_find_by_number(dev, obj_id); ++ if(obj) ++ return; ++ } + +- in->hdrChunk = chunk; ++ /* Let's create it (if it does not exist) assuming it is a file so that it can do shrinking etc. ++ * We put it in unlinked dir to be cleaned up after the scanning ++ */ ++ obj = ++ yaffs_find_or_create_by_number(dev, obj_id, ++ YAFFS_OBJECT_TYPE_FILE); ++ if (!obj) ++ return; ++ obj->is_shadowed = 1; ++ yaffs_add_obj_to_dir(dev->unlinked_dir, obj); ++ obj->variant.file_variant.shrink_size = 0; ++ obj->valid = 1; /* So that we don't read any other info for this file */ + +- } else if (!in->valid) { +- /* we need to load this info */ ++} + +- in->valid = 1; +- in->hdrChunk = chunk; + +- if (oh) { +- in->variantType = oh->type; ++void yaffs_link_fixup(yaffs_dev_t *dev, yaffs_obj_t *hard_list) ++{ ++ yaffs_obj_t *hl; ++ yaffs_obj_t *in; + +- in->yst_mode = oh->yst_mode; +-#ifdef CONFIG_YAFFS_WINCE +- in->win_atime[0] = oh->win_atime[0]; +- in->win_ctime[0] = oh->win_ctime[0]; +- in->win_mtime[0] = oh->win_mtime[0]; +- in->win_atime[1] = oh->win_atime[1]; +- in->win_ctime[1] = oh->win_ctime[1]; +- in->win_mtime[1] = oh->win_mtime[1]; +-#else +- in->yst_uid = oh->yst_uid; +- in->yst_gid = oh->yst_gid; +- in->yst_atime = oh->yst_atime; +- in->yst_mtime = oh->yst_mtime; +- in->yst_ctime = oh->yst_ctime; +- in->yst_rdev = oh->yst_rdev; +-#endif ++ while (hard_list) { ++ hl = hard_list; ++ hard_list = (yaffs_obj_t *) (hard_list->hard_links.next); ++ ++ in = yaffs_find_by_number(dev, ++ hl->variant.hardlink_variant. ++ equiv_id); + +- if (oh->shadowsObject > 0) +- yaffs_HandleShadowedObject(dev, +- oh-> +- shadowsObject, +- 1); +- +- +- yaffs_SetObjectName(in, oh->name); +- parent = +- yaffs_FindOrCreateObjectByNumber +- (dev, oh->parentObjectId, +- YAFFS_OBJECT_TYPE_DIRECTORY); +- +- fileSize = oh->fileSize; +- isShrink = oh->isShrink; +- equivalentObjectId = oh->equivalentObjectId; ++ if (in) { ++ /* Add the hardlink pointers */ ++ hl->variant.hardlink_variant.equiv_obj = in; ++ ylist_add(&hl->hard_links, &in->hard_links); ++ } else { ++ /* Todo Need to report/handle this better. ++ * Got a problem... hardlink to a non-existant object ++ */ ++ hl->variant.hardlink_variant.equiv_obj = NULL; ++ YINIT_LIST_HEAD(&hl->hard_links); + +- } else { +- in->variantType = tags.extraObjectType; +- parent = +- yaffs_FindOrCreateObjectByNumber +- (dev, tags.extraParentObjectId, +- YAFFS_OBJECT_TYPE_DIRECTORY); +- fileSize = tags.extraFileLength; +- isShrink = tags.extraIsShrinkHeader; +- equivalentObjectId = tags.extraEquivalentObjectId; +- in->lazyLoaded = 1; ++ } ++ } ++} + +- } +- in->dirty = 0; + +- if (!parent) +- alloc_failed = 1; ++static void yaffs_strip_deleted_objs(yaffs_dev_t *dev) ++{ ++ /* ++ * Sort out state of unlinked and deleted objects after scanning. ++ */ ++ struct ylist_head *i; ++ struct ylist_head *n; ++ yaffs_obj_t *l; + +- /* directory stuff... +- * hook up to parent +- */ ++ if (dev->read_only) ++ return; + +- if (parent && parent->variantType == +- YAFFS_OBJECT_TYPE_UNKNOWN) { +- /* Set up as a directory */ +- parent->variantType = +- YAFFS_OBJECT_TYPE_DIRECTORY; +- YINIT_LIST_HEAD(&parent->variant. +- directoryVariant. +- children); +- } else if (!parent || parent->variantType != +- YAFFS_OBJECT_TYPE_DIRECTORY) { +- /* Hoosterman, another problem.... +- * We're trying to use a non-directory as a directory +- */ ++ /* Soft delete all the unlinked files */ ++ ylist_for_each_safe(i, n, ++ &dev->unlinked_dir->variant.dir_variant.children) { ++ if (i) { ++ l = ylist_entry(i, yaffs_obj_t, siblings); ++ yaffs_del_obj(l); ++ } ++ } + +- T(YAFFS_TRACE_ERROR, +- (TSTR +- ("yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found." +- TENDSTR))); +- parent = dev->lostNFoundDir; +- } ++ ylist_for_each_safe(i, n, ++ &dev->del_dir->variant.dir_variant.children) { ++ if (i) { ++ l = ylist_entry(i, yaffs_obj_t, siblings); ++ yaffs_del_obj(l); ++ } ++ } + +- yaffs_AddObjectToDirectory(parent, in); ++} + +- itsUnlinked = (parent == dev->deletedDir) || +- (parent == dev->unlinkedDir); ++/* ++ * This code iterates through all the objects making sure that they are rooted. ++ * Any unrooted objects are re-rooted in lost+found. ++ * An object needs to be in one of: ++ * - Directly under deleted, unlinked ++ * - Directly or indirectly under root. ++ * ++ * Note: ++ * This code assumes that we don't ever change the current relationships between ++ * directories: ++ * root_dir->parent == unlinked_dir->parent == del_dir->parent == NULL ++ * lostNfound->parent == root_dir ++ * ++ * This fixes the problem where directories might have inadvertently been deleted ++ * leaving the object "hanging" without being rooted in the directory tree. ++ */ ++ ++static int yaffs_has_null_parent(yaffs_dev_t *dev, yaffs_obj_t *obj) ++{ ++ return (obj == dev->del_dir || ++ obj == dev->unlinked_dir|| ++ obj == dev->root_dir); ++} + +- if (isShrink) { +- /* Mark the block as having a shrinkHeader */ +- bi->hasShrinkHeader = 1; +- } ++static void yaffs_fix_hanging_objs(yaffs_dev_t *dev) ++{ ++ yaffs_obj_t *obj; ++ yaffs_obj_t *parent; ++ int i; ++ struct ylist_head *lh; ++ struct ylist_head *n; ++ int depthLimit; ++ int hanging; + +- /* Note re hardlinks. +- * Since we might scan a hardlink before its equivalent object is scanned +- * we put them all in a list. +- * After scanning is complete, we should have all the objects, so we run +- * through this list and fix up all the chains. +- */ ++ if (dev->read_only) ++ return; + +- switch (in->variantType) { +- case YAFFS_OBJECT_TYPE_UNKNOWN: +- /* Todo got a problem */ +- break; +- case YAFFS_OBJECT_TYPE_FILE: +- +- if (in->variant.fileVariant. +- scannedFileSize < fileSize) { +- /* This covers the case where the file size is greater +- * than where the data is +- * This will happen if the file is resized to be larger +- * than its current data extents. +- */ +- in->variant.fileVariant.fileSize = fileSize; +- in->variant.fileVariant.scannedFileSize = +- in->variant.fileVariant.fileSize; +- } ++ /* Iterate through the objects in each hash entry, ++ * looking at each object. ++ * Make sure it is rooted. ++ */ + +- if (isShrink && +- in->variant.fileVariant.shrinkSize > fileSize) { +- in->variant.fileVariant.shrinkSize = fileSize; +- } ++ for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) { ++ ylist_for_each_safe(lh, n, &dev->obj_bucket[i].list) { ++ if (lh) { ++ obj = ylist_entry(lh, yaffs_obj_t, hash_link); ++ parent= obj->parent; ++ ++ if(yaffs_has_null_parent(dev,obj)){ ++ /* These directories are not hanging */ ++ hanging = 0; ++ } ++ else if(!parent || parent->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) ++ hanging = 1; ++ else if(yaffs_has_null_parent(dev,parent)) ++ hanging = 0; ++ else { ++ /* ++ * Need to follow the parent chain to see if it is hanging. ++ */ ++ hanging = 0; ++ depthLimit=100; + +- break; +- case YAFFS_OBJECT_TYPE_HARDLINK: +- if (!itsUnlinked) { +- in->variant.hardLinkVariant.equivalentObjectId = +- equivalentObjectId; +- in->hardLinks.next = +- (struct ylist_head *) hardList; +- hardList = in; +- } +- break; +- case YAFFS_OBJECT_TYPE_DIRECTORY: +- /* Do nothing */ +- break; +- case YAFFS_OBJECT_TYPE_SPECIAL: +- /* Do nothing */ +- break; +- case YAFFS_OBJECT_TYPE_SYMLINK: +- if (oh) { +- in->variant.symLinkVariant.alias = +- yaffs_CloneString(oh->alias); +- if (!in->variant.symLinkVariant.alias) +- alloc_failed = 1; +- } +- break; ++ while(parent != dev->root_dir && ++ parent->parent && ++ parent->parent->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY && ++ depthLimit > 0){ ++ parent = parent->parent; ++ depthLimit--; + } +- ++ if(parent != dev->root_dir) ++ hanging = 1; ++ } ++ if(hanging){ ++ T(YAFFS_TRACE_SCAN, ++ (TSTR("Hanging object %d moved to lost and found" TENDSTR), ++ obj->obj_id)); ++ yaffs_add_obj_to_dir(dev->lost_n_found,obj); + } +- + } ++ } ++ } ++} + +- } /* End of scanning for each chunk */ + +- if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING) { +- /* If we got this far while scanning, then the block is fully allocated. */ +- state = YAFFS_BLOCK_STATE_FULL; +- } ++/* ++ * Delete directory contents for cleaning up lost and found. ++ */ ++static void yaffs_del_dir_contents(yaffs_obj_t *dir) ++{ ++ yaffs_obj_t *obj; ++ struct ylist_head *lh; ++ struct ylist_head *n; + +- bi->blockState = state; ++ if(dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) ++ YBUG(); ++ ++ ylist_for_each_safe(lh, n, &dir->variant.dir_variant.children) { ++ if (lh) { ++ obj = ylist_entry(lh, yaffs_obj_t, siblings); ++ if(obj->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY) ++ yaffs_del_dir_contents(obj); ++ ++ T(YAFFS_TRACE_SCAN, ++ (TSTR("Deleting lost_found object %d" TENDSTR), ++ obj->obj_id)); + +- /* Now let's see if it was dirty */ +- if (bi->pagesInUse == 0 && +- !bi->hasShrinkHeader && +- bi->blockState == YAFFS_BLOCK_STATE_FULL) { +- yaffs_BlockBecameDirty(dev, blk); ++ /* Need to use UnlinkObject since Delete would not handle ++ * hardlinked objects correctly. ++ */ ++ yaffs_unlink_obj(obj); + } +- + } ++ ++} + +- if (altBlockIndex) +- YFREE_ALT(blockIndex); +- else +- YFREE(blockIndex); ++static void yaffs_empty_l_n_f(yaffs_dev_t *dev) ++{ ++ yaffs_del_dir_contents(dev->lost_n_found); ++} + +- /* Ok, we've done all the scanning. +- * Fix up the hard link chains. +- * We should now have scanned all the objects, now it's time to add these +- * hardlinks. +- */ +- yaffs_HardlinkFixup(dev, hardList); ++static void yaffs_check_obj_details_loaded(yaffs_obj_t *in) ++{ ++ __u8 *chunkData; ++ yaffs_obj_header *oh; ++ yaffs_dev_t *dev; ++ yaffs_ext_tags tags; ++ int result; ++ int alloc_failed = 0; + ++ if (!in) ++ return; + +- yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__); ++ dev = in->my_dev; + +- if (alloc_failed) +- return YAFFS_FAIL; ++#if 0 ++ T(YAFFS_TRACE_SCAN, (TSTR("details for object %d %s loaded" TENDSTR), ++ in->obj_id, ++ in->lazy_loaded ? "not yet" : "already")); ++#endif + +- T(YAFFS_TRACE_SCAN, (TSTR("yaffs_ScanBackwards ends" TENDSTR))); ++ if (in->lazy_loaded && in->hdr_chunk > 0) { ++ in->lazy_loaded = 0; ++ chunkData = yaffs_get_temp_buffer(dev, __LINE__); + +- return YAFFS_OK; +-} ++ result = yaffs_rd_chunk_tags_nand(dev, in->hdr_chunk, chunkData, &tags); ++ oh = (yaffs_obj_header *) chunkData; + +-/*------------------------------ Directory Functions ----------------------------- */ ++ in->yst_mode = oh->yst_mode; ++#ifdef CONFIG_YAFFS_WINCE ++ in->win_atime[0] = oh->win_atime[0]; ++ in->win_ctime[0] = oh->win_ctime[0]; ++ in->win_mtime[0] = oh->win_mtime[0]; ++ in->win_atime[1] = oh->win_atime[1]; ++ in->win_ctime[1] = oh->win_ctime[1]; ++ in->win_mtime[1] = oh->win_mtime[1]; ++#else ++ in->yst_uid = oh->yst_uid; ++ in->yst_gid = oh->yst_gid; ++ in->yst_atime = oh->yst_atime; ++ in->yst_mtime = oh->yst_mtime; ++ in->yst_ctime = oh->yst_ctime; ++ in->yst_rdev = oh->yst_rdev; + +-static void yaffs_VerifyObjectInDirectory(yaffs_Object *obj) +-{ +- struct ylist_head *lh; +- yaffs_Object *listObj; ++#endif ++ yaffs_set_obj_name_from_oh(in, oh); + +- int count = 0; ++ if (in->variant_type == YAFFS_OBJECT_TYPE_SYMLINK) { ++ in->variant.symlink_variant.alias = ++ yaffs_clone_str(oh->alias); ++ if (!in->variant.symlink_variant.alias) ++ alloc_failed = 1; /* Not returned to caller */ ++ } + +- if (!obj) { +- T(YAFFS_TRACE_ALWAYS, (TSTR("No object to verify" TENDSTR))); +- YBUG(); +- return; ++ yaffs_release_temp_buffer(dev, chunkData, __LINE__); + } ++} + +- if (yaffs_SkipVerification(obj->myDev)) +- return; ++/*------------------------------ Directory Functions ----------------------------- */ + +- if (!obj->parent) { +- T(YAFFS_TRACE_ALWAYS, (TSTR("Object does not have parent" TENDSTR))); +- YBUG(); ++/* ++ *yaffs_update_parent() handles fixing a directories mtime and ctime when a new ++ * link (ie. name) is created or deleted in the directory. ++ * ++ * ie. ++ * create dir/a : update dir's mtime/ctime ++ * rm dir/a: update dir's mtime/ctime ++ * modify dir/a: don't update dir's mtimme/ctime ++ * ++ * This can be handled immediately or defered. Defering helps reduce the number ++ * of updates when many files in a directory are changed within a brief period. ++ * ++ * If the directory updating is defered then yaffs_update_dirty_dirs must be ++ * called periodically. ++ */ ++ ++static void yaffs_update_parent(yaffs_obj_t *obj) ++{ ++ yaffs_dev_t *dev; ++ if(!obj) + return; +- } +- +- if (obj->parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) { +- T(YAFFS_TRACE_ALWAYS, (TSTR("Parent is not directory" TENDSTR))); +- YBUG(); +- } +- +- /* Iterate through the objects in each hash entry */ ++#ifndef CONFIG_YAFFS_WINCE + +- ylist_for_each(lh, &obj->parent->variant.directoryVariant.children) { +- if (lh) { +- listObj = ylist_entry(lh, yaffs_Object, siblings); +- yaffs_VerifyObject(listObj); +- if (obj == listObj) +- count++; ++ dev = obj->my_dev; ++ obj->dirty = 1; ++ obj->yst_mtime = obj->yst_ctime = Y_CURRENT_TIME; ++ if(dev->param.defered_dir_update){ ++ struct ylist_head *link = &obj->variant.dir_variant.dirty; ++ ++ if(ylist_empty(link)){ ++ ylist_add(link,&dev->dirty_dirs); ++ T(YAFFS_TRACE_BACKGROUND, (TSTR("Added object %d to dirty directories" TENDSTR),obj->obj_id)); + } +- } + +- if (count != 1) { +- T(YAFFS_TRACE_ALWAYS, (TSTR("Object in directory %d times" TENDSTR), count)); +- YBUG(); +- } ++ } else ++ yaffs_update_oh(obj, NULL, 0, 0, 0, NULL); ++#endif + } + +-static void yaffs_VerifyDirectory(yaffs_Object *directory) ++void yaffs_update_dirty_dirs(yaffs_dev_t *dev) + { +- struct ylist_head *lh; +- yaffs_Object *listObj; +- +- if (!directory) { +- YBUG(); +- return; +- } ++ struct ylist_head *link; ++ yaffs_obj_t *obj; ++ yaffs_dir_s *dS; ++ yaffs_obj_variant *oV; + +- if (yaffs_SkipFullVerification(directory->myDev)) +- return; ++ T(YAFFS_TRACE_BACKGROUND, (TSTR("Update dirty directories" TENDSTR))); + +- if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) { +- T(YAFFS_TRACE_ALWAYS, (TSTR("Directory has wrong type: %d" TENDSTR), directory->variantType)); +- YBUG(); +- } ++ while(!ylist_empty(&dev->dirty_dirs)){ ++ link = dev->dirty_dirs.next; ++ ylist_del_init(link); ++ ++ dS=ylist_entry(link,yaffs_dir_s,dirty); ++ oV = ylist_entry(dS,yaffs_obj_variant,dir_variant); ++ obj = ylist_entry(oV,yaffs_obj_t,variant); + +- /* Iterate through the objects in each hash entry */ ++ T(YAFFS_TRACE_BACKGROUND, (TSTR("Update directory %d" TENDSTR), obj->obj_id)); + +- ylist_for_each(lh, &directory->variant.directoryVariant.children) { +- if (lh) { +- listObj = ylist_entry(lh, yaffs_Object, siblings); +- if (listObj->parent != directory) { +- T(YAFFS_TRACE_ALWAYS, (TSTR("Object in directory list has wrong parent %p" TENDSTR), listObj->parent)); +- YBUG(); +- } +- yaffs_VerifyObjectInDirectory(listObj); +- } ++ if(obj->dirty) ++ yaffs_update_oh(obj, NULL, 0, 0, 0, NULL); + } + } + +- +-static void yaffs_RemoveObjectFromDirectory(yaffs_Object *obj) ++static void yaffs_remove_obj_from_dir(yaffs_obj_t *obj) + { +- yaffs_Device *dev = obj->myDev; +- yaffs_Object *parent; ++ yaffs_dev_t *dev = obj->my_dev; ++ yaffs_obj_t *parent; + +- yaffs_VerifyObjectInDirectory(obj); ++ yaffs_verify_obj_in_dir(obj); + parent = obj->parent; + +- yaffs_VerifyDirectory(parent); ++ yaffs_verify_dir(parent); + +- if (dev && dev->removeObjectCallback) +- dev->removeObjectCallback(obj); ++ if (dev && dev->param.remove_obj_fn) ++ dev->param.remove_obj_fn(obj); + + + ylist_del_init(&obj->siblings); + obj->parent = NULL; +- +- yaffs_VerifyDirectory(parent); ++ ++ yaffs_verify_dir(parent); + } + +- +-static void yaffs_AddObjectToDirectory(yaffs_Object *directory, +- yaffs_Object *obj) ++void yaffs_add_obj_to_dir(yaffs_obj_t *directory, ++ yaffs_obj_t *obj) + { + if (!directory) { + T(YAFFS_TRACE_ALWAYS, +@@ -6699,7 +4495,7 @@ static void yaffs_AddObjectToDirectory(y + YBUG(); + return; + } +- if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) { ++ if (directory->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { + T(YAFFS_TRACE_ALWAYS, + (TSTR + ("tragedy: Trying to add an object to a non-directory" +@@ -6713,27 +4509,27 @@ static void yaffs_AddObjectToDirectory(y + } + + +- yaffs_VerifyDirectory(directory); ++ yaffs_verify_dir(directory); + +- yaffs_RemoveObjectFromDirectory(obj); ++ yaffs_remove_obj_from_dir(obj); + + + /* Now add it */ +- ylist_add(&obj->siblings, &directory->variant.directoryVariant.children); ++ ylist_add(&obj->siblings, &directory->variant.dir_variant.children); + obj->parent = directory; + +- if (directory == obj->myDev->unlinkedDir +- || directory == obj->myDev->deletedDir) { ++ if (directory == obj->my_dev->unlinked_dir ++ || directory == obj->my_dev->del_dir) { + obj->unlinked = 1; +- obj->myDev->nUnlinkedFiles++; +- obj->renameAllowed = 0; ++ obj->my_dev->n_unlinked_files++; ++ obj->rename_allowed = 0; + } + +- yaffs_VerifyDirectory(directory); +- yaffs_VerifyObjectInDirectory(obj); ++ yaffs_verify_dir(directory); ++ yaffs_verify_obj_in_dir(obj); + } + +-yaffs_Object *yaffs_FindObjectByName(yaffs_Object *directory, ++yaffs_obj_t *yaffs_find_by_name(yaffs_obj_t *directory, + const YCHAR *name) + { + int sum; +@@ -6741,7 +4537,7 @@ yaffs_Object *yaffs_FindObjectByName(yaf + struct ylist_head *i; + YCHAR buffer[YAFFS_MAX_NAME_LENGTH + 1]; + +- yaffs_Object *l; ++ yaffs_obj_t *l; + + if (!name) + return NULL; +@@ -6749,39 +4545,39 @@ yaffs_Object *yaffs_FindObjectByName(yaf + if (!directory) { + T(YAFFS_TRACE_ALWAYS, + (TSTR +- ("tragedy: yaffs_FindObjectByName: null pointer directory" ++ ("tragedy: yaffs_find_by_name: null pointer directory" + TENDSTR))); + YBUG(); + return NULL; + } +- if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) { ++ if (directory->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { + T(YAFFS_TRACE_ALWAYS, + (TSTR +- ("tragedy: yaffs_FindObjectByName: non-directory" TENDSTR))); ++ ("tragedy: yaffs_find_by_name: non-directory" TENDSTR))); + YBUG(); + } + +- sum = yaffs_CalcNameSum(name); ++ sum = yaffs_calc_name_sum(name); + +- ylist_for_each(i, &directory->variant.directoryVariant.children) { ++ ylist_for_each(i, &directory->variant.dir_variant.children) { + if (i) { +- l = ylist_entry(i, yaffs_Object, siblings); ++ l = ylist_entry(i, yaffs_obj_t, siblings); + + if (l->parent != directory) + YBUG(); + +- yaffs_CheckObjectDetailsLoaded(l); ++ yaffs_check_obj_details_loaded(l); + + /* Special case for lost-n-found */ +- if (l->objectId == YAFFS_OBJECTID_LOSTNFOUND) { ++ if (l->obj_id == YAFFS_OBJECTID_LOSTNFOUND) { + if (yaffs_strcmp(name, YAFFS_LOSTNFOUND_NAME) == 0) + return l; +- } else if (yaffs_SumCompare(l->sum, sum) || l->hdrChunk <= 0) { ++ } else if (yaffs_sum_cmp(l->sum, sum) || l->hdr_chunk <= 0) { + /* LostnFound chunk called Objxxx + * Do a real check + */ +- yaffs_GetObjectName(l, buffer, +- YAFFS_MAX_NAME_LENGTH); ++ yaffs_get_obj_name(l, buffer, ++ YAFFS_MAX_NAME_LENGTH + 1); + if (yaffs_strncmp(name, buffer, YAFFS_MAX_NAME_LENGTH) == 0) + return l; + } +@@ -6793,31 +4589,31 @@ yaffs_Object *yaffs_FindObjectByName(yaf + + + #if 0 +-int yaffs_ApplyToDirectoryChildren(yaffs_Object *theDir, +- int (*fn) (yaffs_Object *)) ++int yaffs_ApplyToDirectoryChildren(yaffs_obj_t *the_dir, ++ int (*fn) (yaffs_obj_t *)) + { + struct ylist_head *i; +- yaffs_Object *l; ++ yaffs_obj_t *l; + +- if (!theDir) { ++ if (!the_dir) { + T(YAFFS_TRACE_ALWAYS, + (TSTR +- ("tragedy: yaffs_FindObjectByName: null pointer directory" ++ ("tragedy: yaffs_find_by_name: null pointer directory" + TENDSTR))); + YBUG(); + return YAFFS_FAIL; + } +- if (theDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) { ++ if (the_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { + T(YAFFS_TRACE_ALWAYS, + (TSTR +- ("tragedy: yaffs_FindObjectByName: non-directory" TENDSTR))); ++ ("tragedy: yaffs_find_by_name: non-directory" TENDSTR))); + YBUG(); + return YAFFS_FAIL; + } + +- ylist_for_each(i, &theDir->variant.directoryVariant.children) { ++ ylist_for_each(i, &the_dir->variant.dir_variant.children) { + if (i) { +- l = ylist_entry(i, yaffs_Object, siblings); ++ l = ylist_entry(i, yaffs_obj_t, siblings); + if (l && !fn(l)) + return YAFFS_FAIL; + } +@@ -6832,82 +4628,175 @@ int yaffs_ApplyToDirectoryChildren(yaffs + * actual object. + */ + +-yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object *obj) ++yaffs_obj_t *yaffs_get_equivalent_obj(yaffs_obj_t *obj) + { +- if (obj && obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) { ++ if (obj && obj->variant_type == YAFFS_OBJECT_TYPE_HARDLINK) { + /* We want the object id of the equivalent object, not this one */ +- obj = obj->variant.hardLinkVariant.equivalentObject; +- yaffs_CheckObjectDetailsLoaded(obj); ++ obj = obj->variant.hardlink_variant.equiv_obj; ++ yaffs_check_obj_details_loaded(obj); + } + return obj; + } + +-int yaffs_GetObjectName(yaffs_Object *obj, YCHAR *name, int buffSize) +-{ +- memset(name, 0, buffSize * sizeof(YCHAR)); +- +- yaffs_CheckObjectDetailsLoaded(obj); ++/* ++ * A note or two on object names. ++ * * If the object name is missing, we then make one up in the form objnnn ++ * ++ * * ASCII names are stored in the object header's name field from byte zero ++ * * Unicode names are historically stored starting from byte zero. ++ * ++ * Then there are automatic Unicode names... ++ * The purpose of these is to save names in a way that can be read as ++ * ASCII or Unicode names as appropriate, thus allowing a Unicode and ASCII ++ * system to share files. ++ * ++ * These automatic unicode are stored slightly differently... ++ * - If the name can fit in the ASCII character space then they are saved as ++ * ascii names as per above. ++ * - If the name needs Unicode then the name is saved in Unicode ++ * starting at oh->name[1]. + +- if (obj->objectId == YAFFS_OBJECTID_LOSTNFOUND) { +- yaffs_strncpy(name, YAFFS_LOSTNFOUND_NAME, buffSize - 1); +- } else if (obj->hdrChunk <= 0) { ++ */ ++static void yaffs_fix_null_name(yaffs_obj_t * obj,YCHAR * name, int buffer_size) ++{ ++ /* Create an object name if we could not find one. */ ++ if(yaffs_strnlen(name,YAFFS_MAX_NAME_LENGTH) == 0){ + YCHAR locName[20]; + YCHAR numString[20]; + YCHAR *x = &numString[19]; +- unsigned v = obj->objectId; ++ unsigned v = obj->obj_id; + numString[19] = 0; +- while (v > 0) { ++ while(v>0){ + x--; + *x = '0' + (v % 10); + v /= 10; + } + /* make up a name */ + yaffs_strcpy(locName, YAFFS_LOSTNFOUND_PREFIX); +- yaffs_strcat(locName, x); +- yaffs_strncpy(name, locName, buffSize - 1); ++ yaffs_strcat(locName,x); ++ yaffs_strncpy(name, locName, buffer_size - 1); ++ } ++} ++ ++static void yaffs_load_name_from_oh(yaffs_dev_t *dev,YCHAR *name, const YCHAR *ohName, int bufferSize) ++{ ++#ifdef CONFIG_YAFFS_AUTO_UNICODE ++ if(dev->param.auto_unicode){ ++ if(*ohName){ ++ /* It is an ASCII name, so do an ASCII to unicode conversion */ ++ const char *asciiOhName = (const char *)ohName; ++ int n = bufferSize - 1; ++ while(n > 0 && *asciiOhName){ ++ *name = *asciiOhName; ++ name++; ++ asciiOhName++; ++ n--; ++ } ++ } else ++ yaffs_strncpy(name,ohName+1, bufferSize -1); ++ } else ++#endif ++ yaffs_strncpy(name, ohName, bufferSize - 1); ++} ++ ++ ++static void yaffs_load_oh_from_name(yaffs_dev_t *dev, YCHAR *ohName, const YCHAR *name) ++{ ++#ifdef CONFIG_YAFFS_AUTO_UNICODE ++ ++ int isAscii; ++ YCHAR *w; ++ ++ if(dev->param.auto_unicode){ ++ ++ isAscii = 1; ++ w = name; ++ ++ /* Figure out if the name will fit in ascii character set */ ++ while(isAscii && *w){ ++ if((*w) & 0xff00) ++ isAscii = 0; ++ w++; ++ } + ++ if(isAscii){ ++ /* It is an ASCII name, so do a unicode to ascii conversion */ ++ char *asciiOhName = (char *)ohName; ++ int n = YAFFS_MAX_NAME_LENGTH - 1; ++ while(n > 0 && *name){ ++ *asciiOhName= *name; ++ name++; ++ asciiOhName++; ++ n--; ++ } ++ } else{ ++ /* It is a unicode name, so save starting at the second YCHAR */ ++ *ohName = 0; ++ yaffs_strncpy(ohName+1,name, YAFFS_MAX_NAME_LENGTH -2); ++ } + } ++ else ++#endif ++ yaffs_strncpy(ohName,name, YAFFS_MAX_NAME_LENGTH - 1); ++ ++} ++ ++int yaffs_get_obj_name(yaffs_obj_t * obj, YCHAR * name, int buffer_size) ++{ ++ memset(name, 0, buffer_size * sizeof(YCHAR)); ++ ++ yaffs_check_obj_details_loaded(obj); ++ ++ if (obj->obj_id == YAFFS_OBJECTID_LOSTNFOUND) { ++ yaffs_strncpy(name, YAFFS_LOSTNFOUND_NAME, buffer_size - 1); ++ } + #ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM +- else if (obj->shortName[0]) +- yaffs_strcpy(name, obj->shortName); ++ else if (obj->short_name[0]) { ++ yaffs_strcpy(name, obj->short_name); ++ } + #endif +- else { ++ else if(obj->hdr_chunk > 0) { + int result; +- __u8 *buffer = yaffs_GetTempBuffer(obj->myDev, __LINE__); ++ __u8 *buffer = yaffs_get_temp_buffer(obj->my_dev, __LINE__); + +- yaffs_ObjectHeader *oh = (yaffs_ObjectHeader *) buffer; ++ yaffs_obj_header *oh = (yaffs_obj_header *) buffer; + +- memset(buffer, 0, obj->myDev->nDataBytesPerChunk); ++ memset(buffer, 0, obj->my_dev->data_bytes_per_chunk); + +- if (obj->hdrChunk > 0) { +- result = yaffs_ReadChunkWithTagsFromNAND(obj->myDev, +- obj->hdrChunk, buffer, ++ if (obj->hdr_chunk > 0) { ++ result = yaffs_rd_chunk_tags_nand(obj->my_dev, ++ obj->hdr_chunk, buffer, + NULL); + } +- yaffs_strncpy(name, oh->name, buffSize - 1); ++ yaffs_load_name_from_oh(obj->my_dev,name,oh->name,buffer_size); + +- yaffs_ReleaseTempBuffer(obj->myDev, buffer, __LINE__); ++ yaffs_release_temp_buffer(obj->my_dev, buffer, __LINE__); + } + +- return yaffs_strlen(name); ++ yaffs_fix_null_name(obj,name,buffer_size); ++ ++ return yaffs_strnlen(name,YAFFS_MAX_NAME_LENGTH); + } + +-int yaffs_GetObjectFileLength(yaffs_Object *obj) ++ ++int yaffs_get_obj_length(yaffs_obj_t *obj) + { + /* Dereference any hard linking */ +- obj = yaffs_GetEquivalentObject(obj); ++ obj = yaffs_get_equivalent_obj(obj); + +- if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) +- return obj->variant.fileVariant.fileSize; +- if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK) +- return yaffs_strlen(obj->variant.symLinkVariant.alias); +- else { ++ if (obj->variant_type == YAFFS_OBJECT_TYPE_FILE) ++ return obj->variant.file_variant.file_size; ++ if (obj->variant_type == YAFFS_OBJECT_TYPE_SYMLINK){ ++ if(!obj->variant.symlink_variant.alias) ++ return 0; ++ return yaffs_strnlen(obj->variant.symlink_variant.alias,YAFFS_MAX_ALIAS_LENGTH); ++ } else { + /* Only a directory should drop through to here */ +- return obj->myDev->nDataBytesPerChunk; ++ return obj->my_dev->data_bytes_per_chunk; + } + } + +-int yaffs_GetObjectLinkCount(yaffs_Object *obj) ++int yaffs_get_obj_link_count(yaffs_obj_t *obj) + { + int count = 0; + struct ylist_head *i; +@@ -6915,24 +4804,24 @@ int yaffs_GetObjectLinkCount(yaffs_Objec + if (!obj->unlinked) + count++; /* the object itself */ + +- ylist_for_each(i, &obj->hardLinks) ++ ylist_for_each(i, &obj->hard_links) + count++; /* add the hard links; */ + + return count; + } + +-int yaffs_GetObjectInode(yaffs_Object *obj) ++int yaffs_get_obj_inode(yaffs_obj_t *obj) + { +- obj = yaffs_GetEquivalentObject(obj); ++ obj = yaffs_get_equivalent_obj(obj); + +- return obj->objectId; ++ return obj->obj_id; + } + +-unsigned yaffs_GetObjectType(yaffs_Object *obj) ++unsigned yaffs_get_obj_type(yaffs_obj_t *obj) + { +- obj = yaffs_GetEquivalentObject(obj); ++ obj = yaffs_get_equivalent_obj(obj); + +- switch (obj->variantType) { ++ switch (obj->variant_type) { + case YAFFS_OBJECT_TYPE_FILE: + return DT_REG; + break; +@@ -6960,18 +4849,18 @@ unsigned yaffs_GetObjectType(yaffs_Objec + } + } + +-YCHAR *yaffs_GetSymlinkAlias(yaffs_Object *obj) ++YCHAR *yaffs_get_symlink_alias(yaffs_obj_t *obj) + { +- obj = yaffs_GetEquivalentObject(obj); +- if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK) +- return yaffs_CloneString(obj->variant.symLinkVariant.alias); ++ obj = yaffs_get_equivalent_obj(obj); ++ if (obj->variant_type == YAFFS_OBJECT_TYPE_SYMLINK) ++ return yaffs_clone_str(obj->variant.symlink_variant.alias); + else +- return yaffs_CloneString(_Y("")); ++ return yaffs_clone_str(_Y("")); + } + + #ifndef CONFIG_YAFFS_WINCE + +-int yaffs_SetAttributes(yaffs_Object *obj, struct iattr *attr) ++int yaffs_set_attribs(yaffs_obj_t *obj, struct iattr *attr) + { + unsigned int valid = attr->ia_valid; + +@@ -6990,14 +4879,14 @@ int yaffs_SetAttributes(yaffs_Object *ob + obj->yst_mtime = Y_TIME_CONVERT(attr->ia_mtime); + + if (valid & ATTR_SIZE) +- yaffs_ResizeFile(obj, attr->ia_size); ++ yaffs_resize_file(obj, attr->ia_size); + +- yaffs_UpdateObjectHeader(obj, NULL, 1, 0, 0); ++ yaffs_update_oh(obj, NULL, 1, 0, 0, NULL); + + return YAFFS_OK; + + } +-int yaffs_GetAttributes(yaffs_Object *obj, struct iattr *attr) ++int yaffs_get_attribs(yaffs_obj_t *obj, struct iattr *attr) + { + unsigned int valid = 0; + +@@ -7015,7 +4904,7 @@ int yaffs_GetAttributes(yaffs_Object *ob + Y_TIME_CONVERT(attr->ia_mtime) = obj->yst_mtime; + valid |= ATTR_MTIME; + +- attr->ia_size = yaffs_GetFileSize(obj); ++ attr->ia_size = yaffs_get_file_size(obj); + valid |= ATTR_SIZE; + + attr->ia_valid = valid; +@@ -7025,20 +4914,137 @@ int yaffs_GetAttributes(yaffs_Object *ob + + #endif + ++ ++static int yaffs_do_xattrib_mod(yaffs_obj_t *obj, int set, const YCHAR *name, const void *value, int size, int flags) ++{ ++ yaffs_xattr_mod xmod; ++ ++ int result; ++ ++ xmod.set = set; ++ xmod.name = name; ++ xmod.data = value; ++ xmod.size = size; ++ xmod.flags = flags; ++ xmod.result = -ENOSPC; ++ ++ result = yaffs_update_oh(obj, NULL, 0, 0, 0, &xmod); ++ ++ if(result > 0) ++ return xmod.result; ++ else ++ return -ENOSPC; ++} ++ ++static int yaffs_apply_xattrib_mod(yaffs_obj_t *obj, char *buffer, yaffs_xattr_mod *xmod) ++{ ++ int retval = 0; ++ int x_offs = sizeof(yaffs_obj_header); ++ yaffs_dev_t *dev = obj->my_dev; ++ int x_size = dev->data_bytes_per_chunk - sizeof(yaffs_obj_header); ++ ++ char * x_buffer = buffer + x_offs; ++ ++ if(xmod->set) ++ retval = nval_set(x_buffer, x_size, xmod->name, xmod->data, xmod->size, xmod->flags); ++ else ++ retval = nval_del(x_buffer, x_size, xmod->name); ++ ++ obj->has_xattr = nval_hasvalues(x_buffer, x_size); ++ obj->xattr_known = 1; ++ ++ xmod->result = retval; ++ ++ return retval; ++} ++ ++static int yaffs_do_xattrib_fetch(yaffs_obj_t *obj, const YCHAR *name, void *value, int size) ++{ ++ char *buffer = NULL; ++ int result; ++ yaffs_ext_tags tags; ++ yaffs_dev_t *dev = obj->my_dev; ++ int x_offs = sizeof(yaffs_obj_header); ++ int x_size = dev->data_bytes_per_chunk - sizeof(yaffs_obj_header); ++ ++ char * x_buffer; ++ ++ int retval = 0; ++ ++ if(obj->hdr_chunk < 1) ++ return -ENODATA; ++ ++ /* If we know that the object has no xattribs then don't do all the ++ * reading and parsing. ++ */ ++ if(obj->xattr_known && !obj->has_xattr){ ++ if(name) ++ return -ENODATA; ++ else ++ return 0; ++ } ++ ++ buffer = (char *) yaffs_get_temp_buffer(dev, __LINE__); ++ if(!buffer) ++ return -ENOMEM; ++ ++ result = yaffs_rd_chunk_tags_nand(dev,obj->hdr_chunk, (__u8 *)buffer, &tags); ++ ++ if(result != YAFFS_OK) ++ retval = -ENOENT; ++ else{ ++ x_buffer = buffer + x_offs; ++ ++ if (!obj->xattr_known){ ++ obj->has_xattr = nval_hasvalues(x_buffer, x_size); ++ obj->xattr_known = 1; ++ } ++ ++ if(name) ++ retval = nval_get(x_buffer, x_size, name, value, size); ++ else ++ retval = nval_list(x_buffer, x_size, value,size); ++ } ++ yaffs_release_temp_buffer(dev,(__u8 *)buffer,__LINE__); ++ return retval; ++} ++ ++int yaffs_set_xattrib(yaffs_obj_t *obj, const YCHAR *name, const void * value, int size, int flags) ++{ ++ return yaffs_do_xattrib_mod(obj, 1, name, value, size, flags); ++} ++ ++int yaffs_remove_xattrib(yaffs_obj_t *obj, const YCHAR *name) ++{ ++ return yaffs_do_xattrib_mod(obj, 0, name, NULL, 0, 0); ++} ++ ++int yaffs_get_xattrib(yaffs_obj_t *obj, const YCHAR *name, void *value, int size) ++{ ++ return yaffs_do_xattrib_fetch(obj, name, value, size); ++} ++ ++int yaffs_list_xattrib(yaffs_obj_t *obj, char *buffer, int size) ++{ ++ return yaffs_do_xattrib_fetch(obj, NULL, buffer,size); ++} ++ ++ ++ + #if 0 +-int yaffs_DumpObject(yaffs_Object *obj) ++int yaffs_dump_obj(yaffs_obj_t *obj) + { + YCHAR name[257]; + +- yaffs_GetObjectName(obj, name, 256); ++ yaffs_get_obj_name(obj, name, YAFFS_MAX_NAME_LENGTH + 1); + + T(YAFFS_TRACE_ALWAYS, + (TSTR + ("Object %d, inode %d \"%s\"\n dirty %d valid %d serial %d sum %d" + " chunk %d type %d size %d\n" +- TENDSTR), obj->objectId, yaffs_GetObjectInode(obj), name, +- obj->dirty, obj->valid, obj->serial, obj->sum, obj->hdrChunk, +- yaffs_GetObjectType(obj), yaffs_GetObjectFileLength(obj))); ++ TENDSTR), obj->obj_id, yaffs_get_obj_inode(obj), name, ++ obj->dirty, obj->valid, obj->serial, obj->sum, obj->hdr_chunk, ++ yaffs_get_obj_type(obj), yaffs_get_obj_length(obj))); + + return YAFFS_OK; + } +@@ -7046,72 +5052,74 @@ int yaffs_DumpObject(yaffs_Object *obj) + + /*---------------------------- Initialisation code -------------------------------------- */ + +-static int yaffs_CheckDevFunctions(const yaffs_Device *dev) ++static int yaffs_cehck_dev_fns(const yaffs_dev_t *dev) + { + + /* Common functions, gotta have */ +- if (!dev->eraseBlockInNAND || !dev->initialiseNAND) ++ if (!dev->param.erase_fn || !dev->param.initialise_flash_fn) + return 0; + + #ifdef CONFIG_YAFFS_YAFFS2 + + /* Can use the "with tags" style interface for yaffs1 or yaffs2 */ +- if (dev->writeChunkWithTagsToNAND && +- dev->readChunkWithTagsFromNAND && +- !dev->writeChunkToNAND && +- !dev->readChunkFromNAND && +- dev->markNANDBlockBad && dev->queryNANDBlock) ++ if (dev->param.write_chunk_tags_fn && ++ dev->param.read_chunk_tags_fn && ++ !dev->param.write_chunk_fn && ++ !dev->param.read_chunk_fn && ++ dev->param.bad_block_fn && ++ dev->param.query_block_fn) + return 1; + #endif + + /* Can use the "spare" style interface for yaffs1 */ +- if (!dev->isYaffs2 && +- !dev->writeChunkWithTagsToNAND && +- !dev->readChunkWithTagsFromNAND && +- dev->writeChunkToNAND && +- dev->readChunkFromNAND && +- !dev->markNANDBlockBad && !dev->queryNANDBlock) ++ if (!dev->param.is_yaffs2 && ++ !dev->param.write_chunk_tags_fn && ++ !dev->param.read_chunk_tags_fn && ++ dev->param.write_chunk_fn && ++ dev->param.read_chunk_fn && ++ !dev->param.bad_block_fn && ++ !dev->param.query_block_fn) + return 1; + +- return 0; /* bad */ ++ return 0; /* bad */ + } + + +-static int yaffs_CreateInitialDirectories(yaffs_Device *dev) ++static int yaffs_create_initial_dir(yaffs_dev_t *dev) + { + /* Initialise the unlinked, deleted, root and lost and found directories */ + +- dev->lostNFoundDir = dev->rootDir = NULL; +- dev->unlinkedDir = dev->deletedDir = NULL; ++ dev->lost_n_found = dev->root_dir = NULL; ++ dev->unlinked_dir = dev->del_dir = NULL; + +- dev->unlinkedDir = +- yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_UNLINKED, S_IFDIR); ++ dev->unlinked_dir = ++ yaffs_create_fake_dir(dev, YAFFS_OBJECTID_UNLINKED, S_IFDIR); + +- dev->deletedDir = +- yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_DELETED, S_IFDIR); ++ dev->del_dir = ++ yaffs_create_fake_dir(dev, YAFFS_OBJECTID_DELETED, S_IFDIR); + +- dev->rootDir = +- yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_ROOT, ++ dev->root_dir = ++ yaffs_create_fake_dir(dev, YAFFS_OBJECTID_ROOT, + YAFFS_ROOT_MODE | S_IFDIR); +- dev->lostNFoundDir = +- yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_LOSTNFOUND, ++ dev->lost_n_found = ++ yaffs_create_fake_dir(dev, YAFFS_OBJECTID_LOSTNFOUND, + YAFFS_LOSTNFOUND_MODE | S_IFDIR); + +- if (dev->lostNFoundDir && dev->rootDir && dev->unlinkedDir && dev->deletedDir) { +- yaffs_AddObjectToDirectory(dev->rootDir, dev->lostNFoundDir); ++ if (dev->lost_n_found && dev->root_dir && dev->unlinked_dir && dev->del_dir) { ++ yaffs_add_obj_to_dir(dev->root_dir, dev->lost_n_found); + return YAFFS_OK; + } + + return YAFFS_FAIL; + } + +-int yaffs_GutsInitialise(yaffs_Device *dev) ++int yaffs_guts_initialise(yaffs_dev_t *dev) + { + int init_failed = 0; + unsigned x; + int bits; + +- T(YAFFS_TRACE_TRACING, (TSTR("yaffs: yaffs_GutsInitialise()" TENDSTR))); ++ T(YAFFS_TRACE_TRACING, (TSTR("yaffs: yaffs_guts_initialise()" TENDSTR))); + + /* Check stuff that must be set */ + +@@ -7120,52 +5128,52 @@ int yaffs_GutsInitialise(yaffs_Device *d + return YAFFS_FAIL; + } + +- dev->internalStartBlock = dev->startBlock; +- dev->internalEndBlock = dev->endBlock; +- dev->blockOffset = 0; +- dev->chunkOffset = 0; +- dev->nFreeChunks = 0; +- +- dev->gcBlock = -1; +- +- if (dev->startBlock == 0) { +- dev->internalStartBlock = dev->startBlock + 1; +- dev->internalEndBlock = dev->endBlock + 1; +- dev->blockOffset = 1; +- dev->chunkOffset = dev->nChunksPerBlock; ++ dev->internal_start_block = dev->param.start_block; ++ dev->internal_end_block = dev->param.end_block; ++ dev->block_offset = 0; ++ dev->chunk_offset = 0; ++ dev->n_free_chunks = 0; ++ ++ dev->gc_block = 0; ++ ++ if (dev->param.start_block == 0) { ++ dev->internal_start_block = dev->param.start_block + 1; ++ dev->internal_end_block = dev->param.end_block + 1; ++ dev->block_offset = 1; ++ dev->chunk_offset = dev->param.chunks_per_block; + } + + /* Check geometry parameters. */ + +- if ((!dev->inbandTags && dev->isYaffs2 && dev->totalBytesPerChunk < 1024) || +- (!dev->isYaffs2 && dev->totalBytesPerChunk < 512) || +- (dev->inbandTags && !dev->isYaffs2) || +- dev->nChunksPerBlock < 2 || +- dev->nReservedBlocks < 2 || +- dev->internalStartBlock <= 0 || +- dev->internalEndBlock <= 0 || +- dev->internalEndBlock <= (dev->internalStartBlock + dev->nReservedBlocks + 2)) { /* otherwise it is too small */ ++ if ((!dev->param.inband_tags && dev->param.is_yaffs2 && dev->param.total_bytes_per_chunk < 1024) || ++ (!dev->param.is_yaffs2 && dev->param.total_bytes_per_chunk < 512) || ++ (dev->param.inband_tags && !dev->param.is_yaffs2) || ++ dev->param.chunks_per_block < 2 || ++ dev->param.n_reserved_blocks < 2 || ++ dev->internal_start_block <= 0 || ++ dev->internal_end_block <= 0 || ++ dev->internal_end_block <= (dev->internal_start_block + dev->param.n_reserved_blocks + 2)) { /* otherwise it is too small */ + T(YAFFS_TRACE_ALWAYS, + (TSTR +- ("yaffs: NAND geometry problems: chunk size %d, type is yaffs%s, inbandTags %d " +- TENDSTR), dev->totalBytesPerChunk, dev->isYaffs2 ? "2" : "", dev->inbandTags)); ++ ("yaffs: NAND geometry problems: chunk size %d, type is yaffs%s, inband_tags %d " ++ TENDSTR), dev->param.total_bytes_per_chunk, dev->param.is_yaffs2 ? "2" : "", dev->param.inband_tags)); + return YAFFS_FAIL; + } + +- if (yaffs_InitialiseNAND(dev) != YAFFS_OK) { ++ if (yaffs_init_nand(dev) != YAFFS_OK) { + T(YAFFS_TRACE_ALWAYS, + (TSTR("yaffs: InitialiseNAND failed" TENDSTR))); + return YAFFS_FAIL; + } + + /* Sort out space for inband tags, if required */ +- if (dev->inbandTags) +- dev->nDataBytesPerChunk = dev->totalBytesPerChunk - sizeof(yaffs_PackedTags2TagsPart); ++ if (dev->param.inband_tags) ++ dev->data_bytes_per_chunk = dev->param.total_bytes_per_chunk - sizeof(yaffs_PackedTags2TagsPart); + else +- dev->nDataBytesPerChunk = dev->totalBytesPerChunk; ++ dev->data_bytes_per_chunk = dev->param.total_bytes_per_chunk; + + /* Got the right mix of functions? */ +- if (!yaffs_CheckDevFunctions(dev)) { ++ if (!yaffs_cehck_dev_fns(dev)) { + /* Function missing */ + T(YAFFS_TRACE_ALWAYS, + (TSTR +@@ -7175,13 +5183,13 @@ int yaffs_GutsInitialise(yaffs_Device *d + } + + /* This is really a compilation check. */ +- if (!yaffs_CheckStructures()) { ++ if (!yaffs_check_structures()) { + T(YAFFS_TRACE_ALWAYS, +- (TSTR("yaffs_CheckStructures failed\n" TENDSTR))); ++ (TSTR("yaffs_check_structures failed\n" TENDSTR))); + return YAFFS_FAIL; + } + +- if (dev->isMounted) { ++ if (dev->is_mounted) { + T(YAFFS_TRACE_ALWAYS, + (TSTR("yaffs: device already mounted\n" TENDSTR))); + return YAFFS_FAIL; +@@ -7189,59 +5197,62 @@ int yaffs_GutsInitialise(yaffs_Device *d + + /* Finished with most checks. One or two more checks happen later on too. */ + +- dev->isMounted = 1; ++ dev->is_mounted = 1; + + /* OK now calculate a few things for the device */ + + /* + * Calculate all the chunk size manipulation numbers: + */ +- x = dev->nDataBytesPerChunk; +- /* We always use dev->chunkShift and dev->chunkDiv */ +- dev->chunkShift = Shifts(x); +- x >>= dev->chunkShift; +- dev->chunkDiv = x; +- /* We only use chunk mask if chunkDiv is 1 */ +- dev->chunkMask = (1<<dev->chunkShift) - 1; ++ x = dev->data_bytes_per_chunk; ++ /* We always use dev->chunk_shift and dev->chunk_div */ ++ dev->chunk_shift = Shifts(x); ++ x >>= dev->chunk_shift; ++ dev->chunk_div = x; ++ /* We only use chunk mask if chunk_div is 1 */ ++ dev->chunk_mask = (1<<dev->chunk_shift) - 1; + + /* +- * Calculate chunkGroupBits. +- * We need to find the next power of 2 > than internalEndBlock ++ * Calculate chunk_grp_bits. ++ * We need to find the next power of 2 > than internal_end_block + */ + +- x = dev->nChunksPerBlock * (dev->internalEndBlock + 1); ++ x = dev->param.chunks_per_block * (dev->internal_end_block + 1); + + bits = ShiftsGE(x); + + /* Set up tnode width if wide tnodes are enabled. */ +- if (!dev->wideTnodesDisabled) { ++ if (!dev->param.wide_tnodes_disabled) { + /* bits must be even so that we end up with 32-bit words */ + if (bits & 1) + bits++; + if (bits < 16) +- dev->tnodeWidth = 16; ++ dev->tnode_width = 16; + else +- dev->tnodeWidth = bits; ++ dev->tnode_width = bits; + } else +- dev->tnodeWidth = 16; ++ dev->tnode_width = 16; + +- dev->tnodeMask = (1<<dev->tnodeWidth)-1; ++ dev->tnode_mask = (1<<dev->tnode_width)-1; + + /* Level0 Tnodes are 16 bits or wider (if wide tnodes are enabled), + * so if the bitwidth of the + * chunk range we're using is greater than 16 we need +- * to figure out chunk shift and chunkGroupSize ++ * to figure out chunk shift and chunk_grp_size + */ + +- if (bits <= dev->tnodeWidth) +- dev->chunkGroupBits = 0; ++ if (bits <= dev->tnode_width) ++ dev->chunk_grp_bits = 0; + else +- dev->chunkGroupBits = bits - dev->tnodeWidth; ++ dev->chunk_grp_bits = bits - dev->tnode_width; + ++ dev->tnode_size = (dev->tnode_width * YAFFS_NTNODES_LEVEL0)/8; ++ if(dev->tnode_size < sizeof(yaffs_tnode_t)) ++ dev->tnode_size = sizeof(yaffs_tnode_t); + +- dev->chunkGroupSize = 1 << dev->chunkGroupBits; ++ dev->chunk_grp_size = 1 << dev->chunk_grp_bits; + +- if (dev->nChunksPerBlock < dev->chunkGroupSize) { ++ if (dev->param.chunks_per_block < dev->chunk_grp_size) { + /* We have a problem because the soft delete won't work if + * the chunk group size > chunks per block. + * This can be remedied by using larger "virtual blocks". +@@ -7255,85 +5266,89 @@ int yaffs_GutsInitialise(yaffs_Device *d + /* OK, we've finished verifying the device, lets continue with initialisation */ + + /* More device initialisation */ +- dev->garbageCollections = 0; +- dev->passiveGarbageCollections = 0; +- dev->currentDirtyChecker = 0; +- dev->bufferedBlock = -1; +- dev->doingBufferedBlockRewrite = 0; +- dev->nDeletedFiles = 0; +- dev->nBackgroundDeletions = 0; +- dev->nUnlinkedFiles = 0; +- dev->eccFixed = 0; +- dev->eccUnfixed = 0; +- dev->tagsEccFixed = 0; +- dev->tagsEccUnfixed = 0; +- dev->nErasureFailures = 0; +- dev->nErasedBlocks = 0; +- dev->isDoingGC = 0; +- dev->hasPendingPrioritisedGCs = 1; /* Assume the worst for now, will get fixed on first GC */ ++ dev->all_gcs = 0; ++ dev->passive_gc_count = 0; ++ dev->oldest_dirty_gc_count = 0; ++ dev->bg_gcs = 0; ++ dev->gc_block_finder = 0; ++ dev->buffered_block = -1; ++ dev->doing_buffered_block_rewrite = 0; ++ dev->n_deleted_files = 0; ++ dev->n_bg_deletions = 0; ++ dev->n_unlinked_files = 0; ++ dev->n_ecc_fixed = 0; ++ dev->n_ecc_unfixed = 0; ++ dev->n_tags_ecc_fixed = 0; ++ dev->n_tags_ecc_unfixed = 0; ++ dev->n_erase_failures = 0; ++ dev->n_erased_blocks = 0; ++ dev->gc_disable= 0; ++ dev->has_pending_prioritised_gc = 1; /* Assume the worst for now, will get fixed on first GC */ ++ YINIT_LIST_HEAD(&dev->dirty_dirs); ++ dev->oldest_dirty_seq = 0; ++ dev->oldest_dirty_block = 0; + + /* Initialise temporary buffers and caches. */ +- if (!yaffs_InitialiseTempBuffers(dev)) ++ if (!yaffs_init_tmp_buffers(dev)) + init_failed = 1; + +- dev->srCache = NULL; +- dev->gcCleanupList = NULL; ++ dev->cache = NULL; ++ dev->gc_cleanup_list = NULL; + + + if (!init_failed && +- dev->nShortOpCaches > 0) { ++ dev->param.n_caches > 0) { + int i; + void *buf; +- int srCacheBytes = dev->nShortOpCaches * sizeof(yaffs_ChunkCache); ++ int cacheBytes = dev->param.n_caches * sizeof(yaffs_cache_t); + +- if (dev->nShortOpCaches > YAFFS_MAX_SHORT_OP_CACHES) +- dev->nShortOpCaches = YAFFS_MAX_SHORT_OP_CACHES; ++ if (dev->param.n_caches > YAFFS_MAX_SHORT_OP_CACHES) ++ dev->param.n_caches = YAFFS_MAX_SHORT_OP_CACHES; + +- dev->srCache = YMALLOC(srCacheBytes); ++ dev->cache = YMALLOC(cacheBytes); + +- buf = (__u8 *) dev->srCache; ++ buf = (__u8 *) dev->cache; + +- if (dev->srCache) +- memset(dev->srCache, 0, srCacheBytes); ++ if (dev->cache) ++ memset(dev->cache, 0, cacheBytes); + +- for (i = 0; i < dev->nShortOpCaches && buf; i++) { +- dev->srCache[i].object = NULL; +- dev->srCache[i].lastUse = 0; +- dev->srCache[i].dirty = 0; +- dev->srCache[i].data = buf = YMALLOC_DMA(dev->totalBytesPerChunk); ++ for (i = 0; i < dev->param.n_caches && buf; i++) { ++ dev->cache[i].object = NULL; ++ dev->cache[i].last_use = 0; ++ dev->cache[i].dirty = 0; ++ dev->cache[i].data = buf = YMALLOC_DMA(dev->param.total_bytes_per_chunk); + } + if (!buf) + init_failed = 1; + +- dev->srLastUse = 0; ++ dev->cache_last_use = 0; + } + +- dev->cacheHits = 0; ++ dev->cache_hits = 0; + + if (!init_failed) { +- dev->gcCleanupList = YMALLOC(dev->nChunksPerBlock * sizeof(__u32)); +- if (!dev->gcCleanupList) ++ dev->gc_cleanup_list = YMALLOC(dev->param.chunks_per_block * sizeof(__u32)); ++ if (!dev->gc_cleanup_list) + init_failed = 1; + } + +- if (dev->isYaffs2) +- dev->useHeaderFileSize = 1; ++ if (dev->param.is_yaffs2) ++ dev->param.use_header_file_size = 1; + +- if (!init_failed && !yaffs_InitialiseBlocks(dev)) ++ if (!init_failed && !yaffs_init_blocks(dev)) + init_failed = 1; + +- yaffs_InitialiseTnodes(dev); +- yaffs_InitialiseObjects(dev); ++ yaffs_init_tnodes_and_objs(dev); + +- if (!init_failed && !yaffs_CreateInitialDirectories(dev)) ++ if (!init_failed && !yaffs_create_initial_dir(dev)) + init_failed = 1; + + + if (!init_failed) { + /* Now scan the flash. */ +- if (dev->isYaffs2) { +- if (yaffs_CheckpointRestore(dev)) { +- yaffs_CheckObjectDetailsLoaded(dev->rootDir); ++ if (dev->param.is_yaffs2) { ++ if (yaffs2_checkpt_restore(dev)) { ++ yaffs_check_obj_details_loaded(dev->root_dir); + T(YAFFS_TRACE_ALWAYS, + (TSTR("yaffs: restored from checkpoint" TENDSTR))); + } else { +@@ -7341,128 +5356,129 @@ int yaffs_GutsInitialise(yaffs_Device *d + /* Clean up the mess caused by an aborted checkpoint load + * and scan backwards. + */ +- yaffs_DeinitialiseBlocks(dev); +- yaffs_DeinitialiseTnodes(dev); +- yaffs_DeinitialiseObjects(dev); ++ yaffs_deinit_blocks(dev); + ++ yaffs_deinit_tnodes_and_objs(dev); + +- dev->nErasedBlocks = 0; +- dev->nFreeChunks = 0; +- dev->allocationBlock = -1; +- dev->allocationPage = -1; +- dev->nDeletedFiles = 0; +- dev->nUnlinkedFiles = 0; +- dev->nBackgroundDeletions = 0; +- dev->oldestDirtySequence = 0; ++ dev->n_erased_blocks = 0; ++ dev->n_free_chunks = 0; ++ dev->alloc_block = -1; ++ dev->alloc_page = -1; ++ dev->n_deleted_files = 0; ++ dev->n_unlinked_files = 0; ++ dev->n_bg_deletions = 0; + +- if (!init_failed && !yaffs_InitialiseBlocks(dev)) ++ if (!init_failed && !yaffs_init_blocks(dev)) + init_failed = 1; + +- yaffs_InitialiseTnodes(dev); +- yaffs_InitialiseObjects(dev); ++ yaffs_init_tnodes_and_objs(dev); + +- if (!init_failed && !yaffs_CreateInitialDirectories(dev)) ++ if (!init_failed && !yaffs_create_initial_dir(dev)) + init_failed = 1; + +- if (!init_failed && !yaffs_ScanBackwards(dev)) ++ if (!init_failed && !yaffs2_scan_backwards(dev)) + init_failed = 1; + } +- } else if (!yaffs_Scan(dev)) ++ } else if (!yaffs1_scan(dev)) + init_failed = 1; + +- yaffs_StripDeletedObjects(dev); ++ yaffs_strip_deleted_objs(dev); ++ yaffs_fix_hanging_objs(dev); ++ if(dev->param.empty_lost_n_found) ++ yaffs_empty_l_n_f(dev); + } + + if (init_failed) { + /* Clean up the mess */ + T(YAFFS_TRACE_TRACING, +- (TSTR("yaffs: yaffs_GutsInitialise() aborted.\n" TENDSTR))); ++ (TSTR("yaffs: yaffs_guts_initialise() aborted.\n" TENDSTR))); + +- yaffs_Deinitialise(dev); ++ yaffs_deinitialise(dev); + return YAFFS_FAIL; + } + + /* Zero out stats */ +- dev->nPageReads = 0; +- dev->nPageWrites = 0; +- dev->nBlockErasures = 0; +- dev->nGCCopies = 0; +- dev->nRetriedWrites = 0; +- +- dev->nRetiredBlocks = 0; +- +- yaffs_VerifyFreeChunks(dev); +- yaffs_VerifyBlocks(dev); +- ++ dev->n_page_reads = 0; ++ dev->n_page_writes = 0; ++ dev->n_erasures = 0; ++ dev->n_gc_copies = 0; ++ dev->n_retired_writes = 0; ++ ++ dev->n_retired_blocks = 0; ++ ++ yaffs_verify_free_chunks(dev); ++ yaffs_verify_blocks(dev); ++ ++ /* Clean up any aborted checkpoint data */ ++ if(!dev->is_checkpointed && dev->blocks_in_checkpt > 0) ++ yaffs2_checkpt_invalidate(dev); + + T(YAFFS_TRACE_TRACING, +- (TSTR("yaffs: yaffs_GutsInitialise() done.\n" TENDSTR))); ++ (TSTR("yaffs: yaffs_guts_initialise() done.\n" TENDSTR))); + return YAFFS_OK; + + } + +-void yaffs_Deinitialise(yaffs_Device *dev) ++void yaffs_deinitialise(yaffs_dev_t *dev) + { +- if (dev->isMounted) { ++ if (dev->is_mounted) { + int i; + +- yaffs_DeinitialiseBlocks(dev); +- yaffs_DeinitialiseTnodes(dev); +- yaffs_DeinitialiseObjects(dev); +- if (dev->nShortOpCaches > 0 && +- dev->srCache) { ++ yaffs_deinit_blocks(dev); ++ yaffs_deinit_tnodes_and_objs(dev); ++ if (dev->param.n_caches > 0 && ++ dev->cache) { + +- for (i = 0; i < dev->nShortOpCaches; i++) { +- if (dev->srCache[i].data) +- YFREE(dev->srCache[i].data); +- dev->srCache[i].data = NULL; ++ for (i = 0; i < dev->param.n_caches; i++) { ++ if (dev->cache[i].data) ++ YFREE(dev->cache[i].data); ++ dev->cache[i].data = NULL; + } + +- YFREE(dev->srCache); +- dev->srCache = NULL; ++ YFREE(dev->cache); ++ dev->cache = NULL; + } + +- YFREE(dev->gcCleanupList); ++ YFREE(dev->gc_cleanup_list); + + for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) +- YFREE(dev->tempBuffer[i].buffer); ++ YFREE(dev->temp_buffer[i].buffer); + +- dev->isMounted = 0; ++ dev->is_mounted = 0; + +- if (dev->deinitialiseNAND) +- dev->deinitialiseNAND(dev); ++ if (dev->param.deinitialise_flash_fn) ++ dev->param.deinitialise_flash_fn(dev); + } + } + +-static int yaffs_CountFreeChunks(yaffs_Device *dev) ++int yaffs_count_free_chunks(yaffs_dev_t *dev) + { +- int nFree; ++ int nFree=0; + int b; + +- yaffs_BlockInfo *blk; +- +- for (nFree = 0, b = dev->internalStartBlock; b <= dev->internalEndBlock; +- b++) { +- blk = yaffs_GetBlockInfo(dev, b); ++ yaffs_block_info_t *blk; + +- switch (blk->blockState) { ++ blk = dev->block_info; ++ for (b = dev->internal_start_block; b <= dev->internal_end_block; b++) { ++ switch (blk->block_state) { + case YAFFS_BLOCK_STATE_EMPTY: + case YAFFS_BLOCK_STATE_ALLOCATING: + case YAFFS_BLOCK_STATE_COLLECTING: + case YAFFS_BLOCK_STATE_FULL: + nFree += +- (dev->nChunksPerBlock - blk->pagesInUse + +- blk->softDeletions); ++ (dev->param.chunks_per_block - blk->pages_in_use + ++ blk->soft_del_pages); + break; + default: + break; + } ++ blk++; + } + + return nFree; + } + +-int yaffs_GetNumberOfFreeChunks(yaffs_Device *dev) ++int yaffs_get_n_free_chunks(yaffs_dev_t *dev) + { + /* This is what we report to the outside world */ + +@@ -7472,30 +5488,28 @@ int yaffs_GetNumberOfFreeChunks(yaffs_De + int i; + + #if 1 +- nFree = dev->nFreeChunks; ++ nFree = dev->n_free_chunks; + #else +- nFree = yaffs_CountFreeChunks(dev); ++ nFree = yaffs_count_free_chunks(dev); + #endif + +- nFree += dev->nDeletedFiles; ++ nFree += dev->n_deleted_files; + + /* Now count the number of dirty chunks in the cache and subtract those */ + +- for (nDirtyCacheChunks = 0, i = 0; i < dev->nShortOpCaches; i++) { +- if (dev->srCache[i].dirty) ++ for (nDirtyCacheChunks = 0, i = 0; i < dev->param.n_caches; i++) { ++ if (dev->cache[i].dirty) + nDirtyCacheChunks++; + } + + nFree -= nDirtyCacheChunks; + +- nFree -= ((dev->nReservedBlocks + 1) * dev->nChunksPerBlock); ++ nFree -= ((dev->param.n_reserved_blocks + 1) * dev->param.chunks_per_block); + + /* Now we figure out how much to reserve for the checkpoint and report that... */ +- blocksForCheckpoint = yaffs_CalcCheckpointBlocksRequired(dev) - dev->blocksInCheckpoint; +- if (blocksForCheckpoint < 0) +- blocksForCheckpoint = 0; ++ blocksForCheckpoint = yaffs_calc_checkpt_blocks_required(dev); + +- nFree -= (blocksForCheckpoint * dev->nChunksPerBlock); ++ nFree -= (blocksForCheckpoint * dev->param.chunks_per_block); + + if (nFree < 0) + nFree = 0; +@@ -7504,49 +5518,27 @@ int yaffs_GetNumberOfFreeChunks(yaffs_De + + } + +-static int yaffs_freeVerificationFailures; +- +-static void yaffs_VerifyFreeChunks(yaffs_Device *dev) +-{ +- int counted; +- int difference; +- +- if (yaffs_SkipVerification(dev)) +- return; +- +- counted = yaffs_CountFreeChunks(dev); +- +- difference = dev->nFreeChunks - counted; +- +- if (difference) { +- T(YAFFS_TRACE_ALWAYS, +- (TSTR("Freechunks verification failure %d %d %d" TENDSTR), +- dev->nFreeChunks, counted, difference)); +- yaffs_freeVerificationFailures++; +- } +-} + + /*---------------------------------------- YAFFS test code ----------------------*/ + +-#define yaffs_CheckStruct(structure, syze, name) \ ++#define yaffs_check_struct(structure, syze, name) \ + do { \ + if (sizeof(structure) != syze) { \ + T(YAFFS_TRACE_ALWAYS, (TSTR("%s should be %d but is %d\n" TENDSTR),\ +- name, syze, sizeof(structure))); \ ++ name, syze, (int) sizeof(structure))); \ + return YAFFS_FAIL; \ + } \ + } while (0) + +-static int yaffs_CheckStructures(void) ++static int yaffs_check_structures(void) + { +-/* yaffs_CheckStruct(yaffs_Tags,8,"yaffs_Tags"); */ +-/* yaffs_CheckStruct(yaffs_TagsUnion,8,"yaffs_TagsUnion"); */ +-/* yaffs_CheckStruct(yaffs_Spare,16,"yaffs_Spare"); */ +-#ifndef CONFIG_YAFFS_TNODE_LIST_DEBUG +- yaffs_CheckStruct(yaffs_Tnode, 2 * YAFFS_NTNODES_LEVEL0, "yaffs_Tnode"); +-#endif ++/* yaffs_check_struct(yaffs_tags_t,8,"yaffs_tags_t"); */ ++/* yaffs_check_struct(yaffs_tags_union_t,8,"yaffs_tags_union_t"); */ ++/* yaffs_check_struct(yaffs_spare,16,"yaffs_spare"); */ ++/* yaffs_check_struct(yaffs_tnode_t, 2 * YAFFS_NTNODES_LEVEL0, "yaffs_tnode_t"); */ ++ + #ifndef CONFIG_YAFFS_WINCE +- yaffs_CheckStruct(yaffs_ObjectHeader, 512, "yaffs_ObjectHeader"); ++ yaffs_check_struct(yaffs_obj_header, 512, "yaffs_obj_header"); + #endif + return YAFFS_OK; + } +--- a/fs/yaffs2/yaffs_guts.h ++++ b/fs/yaffs2/yaffs_guts.h +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -16,8 +16,9 @@ + #ifndef __YAFFS_GUTS_H__ + #define __YAFFS_GUTS_H__ + +-#include "devextras.h" + #include "yportenv.h" ++#include "devextras.h" ++#include "yaffs_list.h" + + #define YAFFS_OK 1 + #define YAFFS_FAIL 0 +@@ -52,7 +53,6 @@ + + #define YAFFS_MAX_CHUNK_ID 0x000FFFFF + +-#define YAFFS_UNUSED_OBJECT_ID 0x0003FFFF + + #define YAFFS_ALLOCATION_NOBJECTS 100 + #define YAFFS_ALLOCATION_NTNODES 100 +@@ -62,8 +62,9 @@ + + + #define YAFFS_OBJECT_SPACE 0x40000 ++#define YAFFS_MAX_OBJECT_ID (YAFFS_OBJECT_SPACE -1) + +-#define YAFFS_CHECKPOINT_VERSION 3 ++#define YAFFS_CHECKPOINT_VERSION 4 + + #ifdef CONFIG_YAFFS_UNICODE + #define YAFFS_MAX_NAME_LENGTH 127 +@@ -81,12 +82,11 @@ + #define YAFFS_OBJECTID_UNLINKED 3 + #define YAFFS_OBJECTID_DELETED 4 + +-/* Sseudo object ids for checkpointing */ ++/* Pseudo object ids for checkpointing */ + #define YAFFS_OBJECTID_SB_HEADER 0x10 + #define YAFFS_OBJECTID_CHECKPOINT_DATA 0x20 + #define YAFFS_SEQUENCE_CHECKPOINT_DATA 0x21 + +-/* */ + + #define YAFFS_MAX_SHORT_OP_CACHES 20 + +@@ -113,18 +113,14 @@ + + /* ChunkCache is used for short read/write operations.*/ + typedef struct { +- struct yaffs_ObjectStruct *object; +- int chunkId; +- int lastUse; ++ struct yaffs_obj_s *object; ++ int chunk_id; ++ int last_use; + int dirty; +- int nBytes; /* Only valid if the cache is dirty */ ++ int n_bytes; /* Only valid if the cache is dirty */ + int locked; /* Can't push out or flush while locked. */ +-#ifdef CONFIG_YAFFS_YAFFS2 + __u8 *data; +-#else +- __u8 data[YAFFS_BYTES_PER_CHUNK]; +-#endif +-} yaffs_ChunkCache; ++} yaffs_cache_t; + + + +@@ -135,18 +131,18 @@ typedef struct { + + #ifndef CONFIG_YAFFS_NO_YAFFS1 + typedef struct { +- unsigned chunkId:20; +- unsigned serialNumber:2; +- unsigned byteCountLSB:10; +- unsigned objectId:18; ++ unsigned chunk_id:20; ++ unsigned serial_number:2; ++ unsigned n_bytes_lsb:10; ++ unsigned obj_id:18; + unsigned ecc:12; +- unsigned byteCountMSB:2; +-} yaffs_Tags; ++ unsigned n_bytes_msb:2; ++} yaffs_tags_t; + + typedef union { +- yaffs_Tags asTags; +- __u8 asBytes[8]; +-} yaffs_TagsUnion; ++ yaffs_tags_t as_tags; ++ __u8 as_bytes[8]; ++} yaffs_tags_union_t; + + #endif + +@@ -157,7 +153,7 @@ typedef enum { + YAFFS_ECC_RESULT_NO_ERROR, + YAFFS_ECC_RESULT_FIXED, + YAFFS_ECC_RESULT_UNFIXED +-} yaffs_ECCResult; ++} yaffs_ecc_result; + + typedef enum { + YAFFS_OBJECT_TYPE_UNKNOWN, +@@ -166,64 +162,64 @@ typedef enum { + YAFFS_OBJECT_TYPE_DIRECTORY, + YAFFS_OBJECT_TYPE_HARDLINK, + YAFFS_OBJECT_TYPE_SPECIAL +-} yaffs_ObjectType; ++} yaffs_obj_type; + + #define YAFFS_OBJECT_TYPE_MAX YAFFS_OBJECT_TYPE_SPECIAL + + typedef struct { + +- unsigned validMarker0; +- unsigned chunkUsed; /* Status of the chunk: used or unused */ +- unsigned objectId; /* If 0 then this is not part of an object (unused) */ +- unsigned chunkId; /* If 0 then this is a header, else a data chunk */ +- unsigned byteCount; /* Only valid for data chunks */ ++ unsigned validity1; ++ unsigned chunk_used; /* Status of the chunk: used or unused */ ++ unsigned obj_id; /* If 0 then this is not part of an object (unused) */ ++ unsigned chunk_id; /* If 0 then this is a header, else a data chunk */ ++ unsigned n_bytes; /* Only valid for data chunks */ + + /* The following stuff only has meaning when we read */ +- yaffs_ECCResult eccResult; +- unsigned blockBad; ++ yaffs_ecc_result ecc_result; ++ unsigned block_bad; + + /* YAFFS 1 stuff */ +- unsigned chunkDeleted; /* The chunk is marked deleted */ +- unsigned serialNumber; /* Yaffs1 2-bit serial number */ ++ unsigned is_deleted; /* The chunk is marked deleted */ ++ unsigned serial_number; /* Yaffs1 2-bit serial number */ + + /* YAFFS2 stuff */ +- unsigned sequenceNumber; /* The sequence number of this block */ ++ unsigned seq_number; /* The sequence number of this block */ + + /* Extra info if this is an object header (YAFFS2 only) */ + +- unsigned extraHeaderInfoAvailable; /* There is extra info available if this is not zero */ +- unsigned extraParentObjectId; /* The parent object */ +- unsigned extraIsShrinkHeader; /* Is it a shrink header? */ +- unsigned extraShadows; /* Does this shadow another object? */ ++ unsigned extra_available; /* There is extra info available if this is not zero */ ++ unsigned extra_parent_id; /* The parent object */ ++ unsigned extra_is_shrink; /* Is it a shrink header? */ ++ unsigned extra_shadows; /* Does this shadow another object? */ + +- yaffs_ObjectType extraObjectType; /* What object type? */ ++ yaffs_obj_type extra_obj_type; /* What object type? */ + +- unsigned extraFileLength; /* Length if it is a file */ +- unsigned extraEquivalentObjectId; /* Equivalent object Id if it is a hard link */ ++ unsigned extra_length; /* Length if it is a file */ ++ unsigned extra_equiv_id; /* Equivalent object Id if it is a hard link */ + +- unsigned validMarker1; ++ unsigned validty1; + +-} yaffs_ExtendedTags; ++} yaffs_ext_tags; + + /* Spare structure for YAFFS1 */ + typedef struct { +- __u8 tagByte0; +- __u8 tagByte1; +- __u8 tagByte2; +- __u8 tagByte3; +- __u8 pageStatus; /* set to 0 to delete the chunk */ +- __u8 blockStatus; +- __u8 tagByte4; +- __u8 tagByte5; ++ __u8 tb0; ++ __u8 tb1; ++ __u8 tb2; ++ __u8 tb3; ++ __u8 page_status; /* set to 0 to delete the chunk */ ++ __u8 block_status; ++ __u8 tb4; ++ __u8 tb5; + __u8 ecc1[3]; +- __u8 tagByte6; +- __u8 tagByte7; ++ __u8 tb6; ++ __u8 tb7; + __u8 ecc2[3]; +-} yaffs_Spare; ++} yaffs_spare; + + /*Special structure for passing through to mtd */ +-struct yaffs_NANDSpare { +- yaffs_Spare spare; ++struct yaffs_nand_spare { ++ yaffs_spare spare; + int eccres1; + int eccres2; + }; +@@ -234,6 +230,8 @@ typedef enum { + YAFFS_BLOCK_STATE_UNKNOWN = 0, + + YAFFS_BLOCK_STATE_SCANNING, ++ /* Being scanned */ ++ + YAFFS_BLOCK_STATE_NEEDS_SCANNING, + /* The block might have something on it (ie it is allocating or full, perhaps empty) + * but it needs to be scanned to determine its true state. +@@ -249,67 +247,69 @@ typedef enum { + /* This block is partially allocated. + * At least one page holds valid data. + * This is the one currently being used for page +- * allocation. Should never be more than one of these ++ * allocation. Should never be more than one of these. ++ * If a block is only partially allocated at mount it is treated as full. + */ + + YAFFS_BLOCK_STATE_FULL, + /* All the pages in this block have been allocated. ++ * If a block was only partially allocated when mounted we treat ++ * it as fully allocated. + */ + + YAFFS_BLOCK_STATE_DIRTY, +- /* All pages have been allocated and deleted. ++ /* The block was full and now all chunks have been deleted. + * Erase me, reuse me. + */ + + YAFFS_BLOCK_STATE_CHECKPOINT, +- /* This block is assigned to holding checkpoint data. +- */ ++ /* This block is assigned to holding checkpoint data. */ + + YAFFS_BLOCK_STATE_COLLECTING, + /* This block is being garbage collected */ + + YAFFS_BLOCK_STATE_DEAD + /* This block has failed and is not in use */ +-} yaffs_BlockState; ++} yaffs_block_state_t; + + #define YAFFS_NUMBER_OF_BLOCK_STATES (YAFFS_BLOCK_STATE_DEAD + 1) + + + typedef struct { + +- int softDeletions:10; /* number of soft deleted pages */ +- int pagesInUse:10; /* number of pages in use */ +- unsigned blockState:4; /* One of the above block states. NB use unsigned because enum is sometimes an int */ +- __u32 needsRetiring:1; /* Data has failed on this block, need to get valid data off */ ++ int soft_del_pages:10; /* number of soft deleted pages */ ++ int pages_in_use:10; /* number of pages in use */ ++ unsigned block_state:4; /* One of the above block states. NB use unsigned because enum is sometimes an int */ ++ __u32 needs_retiring:1; /* Data has failed on this block, need to get valid data off */ + /* and retire the block. */ +- __u32 skipErasedCheck:1; /* If this is set we can skip the erased check on this block */ +- __u32 gcPrioritise:1; /* An ECC check or blank check has failed on this block. ++ __u32 skip_erased_check:1; /* If this is set we can skip the erased check on this block */ ++ __u32 gc_prioritise:1; /* An ECC check or blank check has failed on this block. + It should be prioritised for GC */ +- __u32 chunkErrorStrikes:3; /* How many times we've had ecc etc failures on this block and tried to reuse it */ ++ __u32 chunk_error_strikes:3; /* How many times we've had ecc etc failures on this block and tried to reuse it */ + + #ifdef CONFIG_YAFFS_YAFFS2 +- __u32 hasShrinkHeader:1; /* This block has at least one shrink object header */ +- __u32 sequenceNumber; /* block sequence number for yaffs2 */ ++ __u32 has_shrink_hdr:1; /* This block has at least one shrink object header */ ++ __u32 seq_number; /* block sequence number for yaffs2 */ + #endif + +-} yaffs_BlockInfo; ++} yaffs_block_info_t; + + /* -------------------------- Object structure -------------------------------*/ + /* This is the object structure as stored on NAND */ + + typedef struct { +- yaffs_ObjectType type; ++ yaffs_obj_type type; + + /* Apply to everything */ +- int parentObjectId; +- __u16 sum__NoLongerUsed; /* checksum of name. No longer used */ ++ int parent_obj_id; ++ __u16 sum_no_longer_used; /* checksum of name. No longer used */ + YCHAR name[YAFFS_MAX_NAME_LENGTH + 1]; + + /* The following apply to directories, files, symlinks - not hard links */ + __u32 yst_mode; /* protection */ + + #ifdef CONFIG_YAFFS_WINCE +- __u32 notForWinCE[5]; ++ __u32 not_for_wince[5]; + #else + __u32 yst_uid; + __u32 yst_gid; +@@ -319,10 +319,10 @@ typedef struct { + #endif + + /* File size applies to files only */ +- int fileSize; ++ int file_size; + + /* Equivalent object id applies to hard links only. */ +- int equivalentObjectId; ++ int equiv_id; + + /* Alias is for symlinks only. */ + YCHAR alias[YAFFS_MAX_ALIAS_LENGTH + 1]; +@@ -334,40 +334,29 @@ typedef struct { + __u32 win_atime[2]; + __u32 win_mtime[2]; + #else +- __u32 roomToGrow[6]; ++ __u32 room_to_grow[6]; + + #endif +- __u32 inbandShadowsObject; +- __u32 inbandIsShrink; ++ __u32 inband_shadowed_obj_id; ++ __u32 inband_is_shrink; + +- __u32 reservedSpace[2]; +- int shadowsObject; /* This object header shadows the specified object if > 0 */ ++ __u32 reserved[2]; ++ int shadows_obj; /* This object header shadows the specified object if > 0 */ + +- /* isShrink applies to object headers written when we shrink the file (ie resize) */ +- __u32 isShrink; ++ /* is_shrink applies to object headers written when we shrink the file (ie resize) */ ++ __u32 is_shrink; + +-} yaffs_ObjectHeader; ++} yaffs_obj_header; + + /*--------------------------- Tnode -------------------------- */ + +-union yaffs_Tnode_union { +-#ifdef CONFIG_YAFFS_TNODE_LIST_DEBUG +- union yaffs_Tnode_union *internal[YAFFS_NTNODES_INTERNAL + 1]; +-#else +- union yaffs_Tnode_union *internal[YAFFS_NTNODES_INTERNAL]; +-#endif +-/* __u16 level0[YAFFS_NTNODES_LEVEL0]; */ ++union yaffs_tnode_union { ++ union yaffs_tnode_union *internal[YAFFS_NTNODES_INTERNAL]; + + }; + +-typedef union yaffs_Tnode_union yaffs_Tnode; ++typedef union yaffs_tnode_union yaffs_tnode_t; + +-struct yaffs_TnodeList_struct { +- struct yaffs_TnodeList_struct *next; +- yaffs_Tnode *tnodes; +-}; +- +-typedef struct yaffs_TnodeList_struct yaffs_TnodeList; + + /*------------------------ Object -----------------------------*/ + /* An object can be one of: +@@ -378,82 +367,85 @@ typedef struct yaffs_TnodeList_struct ya + */ + + typedef struct { +- __u32 fileSize; +- __u32 scannedFileSize; +- __u32 shrinkSize; +- int topLevel; +- yaffs_Tnode *top; +-} yaffs_FileStructure; ++ __u32 file_size; ++ __u32 scanned_size; ++ __u32 shrink_size; ++ int top_level; ++ yaffs_tnode_t *top; ++} yaffs_file_s; + + typedef struct { + struct ylist_head children; /* list of child links */ +-} yaffs_DirectoryStructure; ++ struct ylist_head dirty; /* Entry for list of dirty directories */ ++} yaffs_dir_s; + + typedef struct { + YCHAR *alias; +-} yaffs_SymLinkStructure; ++} yaffs_symlink_t; + + typedef struct { +- struct yaffs_ObjectStruct *equivalentObject; +- __u32 equivalentObjectId; +-} yaffs_HardLinkStructure; ++ struct yaffs_obj_s *equiv_obj; ++ __u32 equiv_id; ++} yaffs_hard_link_s; + + typedef union { +- yaffs_FileStructure fileVariant; +- yaffs_DirectoryStructure directoryVariant; +- yaffs_SymLinkStructure symLinkVariant; +- yaffs_HardLinkStructure hardLinkVariant; +-} yaffs_ObjectVariant; ++ yaffs_file_s file_variant; ++ yaffs_dir_s dir_variant; ++ yaffs_symlink_t symlink_variant; ++ yaffs_hard_link_s hardlink_variant; ++} yaffs_obj_variant; ++ ++ + +-struct yaffs_ObjectStruct { ++struct yaffs_obj_s { + __u8 deleted:1; /* This should only apply to unlinked files. */ +- __u8 softDeleted:1; /* it has also been soft deleted */ ++ __u8 soft_del:1; /* it has also been soft deleted */ + __u8 unlinked:1; /* An unlinked file. The file should be in the unlinked directory.*/ + __u8 fake:1; /* A fake object has no presence on NAND. */ +- __u8 renameAllowed:1; /* Some objects are not allowed to be renamed. */ +- __u8 unlinkAllowed:1; ++ __u8 rename_allowed:1; /* Some objects are not allowed to be renamed. */ ++ __u8 unlink_allowed:1; + __u8 dirty:1; /* the object needs to be written to flash */ + __u8 valid:1; /* When the file system is being loaded up, this + * object might be created before the data + * is available (ie. file data records appear before the header). + */ +- __u8 lazyLoaded:1; /* This object has been lazy loaded and is missing some detail */ ++ __u8 lazy_loaded:1; /* This object has been lazy loaded and is missing some detail */ + +- __u8 deferedFree:1; /* For Linux kernel. Object is removed from NAND, but is ++ __u8 defered_free:1; /* For Linux kernel. Object is removed from NAND, but is + * still in the inode cache. Free of object is defered. + * until the inode is released. + */ +- __u8 beingCreated:1; /* This object is still being created so skip some checks. */ ++ __u8 being_created:1; /* This object is still being created so skip some checks. */ ++ __u8 is_shadowed:1; /* This object is shadowed on the way to being renamed. */ ++ ++ __u8 xattr_known:1; /* We know if this has object has xattribs or not. */ ++ __u8 has_xattr:1; /* This object has xattribs. Valid if xattr_known. */ + + __u8 serial; /* serial number of chunk in NAND. Cached here */ + __u16 sum; /* sum of the name to speed searching */ + +- struct yaffs_DeviceStruct *myDev; /* The device I'm on */ ++ struct yaffs_dev_s *my_dev; /* The device I'm on */ + +- struct ylist_head hashLink; /* list of objects in this hash bucket */ ++ struct ylist_head hash_link; /* list of objects in this hash bucket */ + +- struct ylist_head hardLinks; /* all the equivalent hard linked objects */ ++ struct ylist_head hard_links; /* all the equivalent hard linked objects */ + + /* directory structure stuff */ + /* also used for linking up the free list */ +- struct yaffs_ObjectStruct *parent; ++ struct yaffs_obj_s *parent; + struct ylist_head siblings; + + /* Where's my object header in NAND? */ +- int hdrChunk; ++ int hdr_chunk; + +- int nDataChunks; /* Number of data chunks attached to the file. */ ++ int n_data_chunks; /* Number of data chunks attached to the file. */ + +- __u32 objectId; /* the object id value */ ++ __u32 obj_id; /* the object id value */ + + __u32 yst_mode; + + #ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM +- YCHAR shortName[YAFFS_SHORT_NAME_LENGTH + 1]; +-#endif +- +-#ifndef __KERNEL__ +- __u32 inUse; ++ YCHAR short_name[YAFFS_SHORT_NAME_LENGTH + 1]; + #endif + + #ifdef CONFIG_YAFFS_WINCE +@@ -470,53 +462,43 @@ struct yaffs_ObjectStruct { + + __u32 yst_rdev; + +-#ifdef __KERNEL__ +- struct inode *myInode; ++ void *my_inode; + +-#endif ++ yaffs_obj_type variant_type; + +- yaffs_ObjectType variantType; ++ yaffs_obj_variant variant; + +- yaffs_ObjectVariant variant; +- +-}; +- +-typedef struct yaffs_ObjectStruct yaffs_Object; +- +-struct yaffs_ObjectList_struct { +- yaffs_Object *objects; +- struct yaffs_ObjectList_struct *next; + }; + +-typedef struct yaffs_ObjectList_struct yaffs_ObjectList; ++typedef struct yaffs_obj_s yaffs_obj_t; + + typedef struct { + struct ylist_head list; + int count; +-} yaffs_ObjectBucket; ++} yaffs_obj_bucket; + + +-/* yaffs_CheckpointObject holds the definition of an object as dumped ++/* yaffs_checkpt_obj_t holds the definition of an object as dumped + * by checkpointing. + */ + + typedef struct { +- int structType; +- __u32 objectId; +- __u32 parentId; +- int hdrChunk; +- yaffs_ObjectType variantType:3; ++ int struct_type; ++ __u32 obj_id; ++ __u32 parent_id; ++ int hdr_chunk; ++ yaffs_obj_type variant_type:3; + __u8 deleted:1; +- __u8 softDeleted:1; ++ __u8 soft_del:1; + __u8 unlinked:1; + __u8 fake:1; +- __u8 renameAllowed:1; +- __u8 unlinkAllowed:1; ++ __u8 rename_allowed:1; ++ __u8 unlink_allowed:1; + __u8 serial; + +- int nDataChunks; +- __u32 fileSizeOrEquivalentObjectId; +-} yaffs_CheckpointObject; ++ int n_data_chunks; ++ __u32 size_or_equiv_obj; ++} yaffs_checkpt_obj_t; + + /*--------------------- Temporary buffers ---------------- + * +@@ -526,379 +508,462 @@ typedef struct { + typedef struct { + __u8 *buffer; + int line; /* track from whence this buffer was allocated */ +- int maxLine; +-} yaffs_TempBuffer; ++ int max_line; ++} yaffs_buffer_t; + + /*----------------- Device ---------------------------------*/ + +-struct yaffs_DeviceStruct { +- struct ylist_head devList; +- const char *name; +- +- /* Entry parameters set up way early. Yaffs sets up the rest.*/ +- int nDataBytesPerChunk; /* Should be a power of 2 >= 512 */ +- int nChunksPerBlock; /* does not need to be a power of 2 */ +- int spareBytesPerChunk; /* spare area size */ +- int startBlock; /* Start block we're allowed to use */ +- int endBlock; /* End block we're allowed to use */ +- int nReservedBlocks; /* We want this tuneable so that we can reduce */ +- /* reserved blocks on NOR and RAM. */ +- + +- /* Stuff used by the shared space checkpointing mechanism */ +- /* If this value is zero, then this mechanism is disabled */ ++struct yaffs_param_s { ++ const YCHAR *name; + +-/* int nCheckpointReservedBlocks; */ /* Blocks to reserve for checkpoint data */ ++ /* ++ * Entry parameters set up way early. Yaffs sets up the rest. ++ * The structure should be zeroed out before use so that unused ++ * and defualt values are zero. ++ */ ++ ++ int inband_tags; /* Use unband tags */ ++ __u32 total_bytes_per_chunk; /* Should be >= 512, does not need to be a power of 2 */ ++ int chunks_per_block; /* does not need to be a power of 2 */ ++ int spare_bytes_per_chunk; /* spare area size */ ++ int start_block; /* Start block we're allowed to use */ ++ int end_block; /* End block we're allowed to use */ ++ int n_reserved_blocks; /* We want this tuneable so that we can reduce */ ++ /* reserved blocks on NOR and RAM. */ + + +- int nShortOpCaches; /* If <= 0, then short op caching is disabled, else +- * the number of short op caches (don't use too many) ++ int n_caches; /* If <= 0, then short op caching is disabled, else ++ * the number of short op caches (don't use too many). ++ * 10 to 20 is a good bet. + */ ++ int use_nand_ecc; /* Flag to decide whether or not to use NANDECC on data (yaffs1) */ ++ int no_tags_ecc; /* Flag to decide whether or not to do ECC on packed tags (yaffs2) */ + +- int useHeaderFileSize; /* Flag to determine if we should use file sizes from the header */ ++ int is_yaffs2; /* Use yaffs2 mode on this device */ + +- int useNANDECC; /* Flag to decide whether or not to use NANDECC */ ++ int empty_lost_n_found; /* Auto-empty lost+found directory on mount */ + +- void *genericDevice; /* Pointer to device context +- * On an mtd this holds the mtd pointer. +- */ +- void *superBlock; ++ int refresh_period; /* How often we should check to do a block refresh */ ++ ++ /* Checkpoint control. Can be set before or after initialisation */ ++ __u8 skip_checkpt_rd; ++ __u8 skip_checkpt_wr; ++ ++ int enable_xattr; /* Enable xattribs */ + + /* NAND access functions (Must be set before calling YAFFS)*/ + +- int (*writeChunkToNAND) (struct yaffs_DeviceStruct *dev, +- int chunkInNAND, const __u8 *data, +- const yaffs_Spare *spare); +- int (*readChunkFromNAND) (struct yaffs_DeviceStruct *dev, +- int chunkInNAND, __u8 *data, +- yaffs_Spare *spare); +- int (*eraseBlockInNAND) (struct yaffs_DeviceStruct *dev, +- int blockInNAND); +- int (*initialiseNAND) (struct yaffs_DeviceStruct *dev); +- int (*deinitialiseNAND) (struct yaffs_DeviceStruct *dev); ++ int (*write_chunk_fn) (struct yaffs_dev_s *dev, ++ int nand_chunk, const __u8 *data, ++ const yaffs_spare *spare); ++ int (*read_chunk_fn) (struct yaffs_dev_s *dev, ++ int nand_chunk, __u8 *data, ++ yaffs_spare *spare); ++ int (*erase_fn) (struct yaffs_dev_s *dev, ++ int flash_block); ++ int (*initialise_flash_fn) (struct yaffs_dev_s *dev); ++ int (*deinitialise_flash_fn) (struct yaffs_dev_s *dev); + + #ifdef CONFIG_YAFFS_YAFFS2 +- int (*writeChunkWithTagsToNAND) (struct yaffs_DeviceStruct *dev, +- int chunkInNAND, const __u8 *data, +- const yaffs_ExtendedTags *tags); +- int (*readChunkWithTagsFromNAND) (struct yaffs_DeviceStruct *dev, +- int chunkInNAND, __u8 *data, +- yaffs_ExtendedTags *tags); +- int (*markNANDBlockBad) (struct yaffs_DeviceStruct *dev, int blockNo); +- int (*queryNANDBlock) (struct yaffs_DeviceStruct *dev, int blockNo, +- yaffs_BlockState *state, __u32 *sequenceNumber); +-#endif +- +- int isYaffs2; +- +- /* The removeObjectCallback function must be supplied by OS flavours that +- * need it. The Linux kernel does not use this, but yaffs direct does use +- * it to implement the faster readdir ++ int (*write_chunk_tags_fn) (struct yaffs_dev_s *dev, ++ int nand_chunk, const __u8 *data, ++ const yaffs_ext_tags *tags); ++ int (*read_chunk_tags_fn) (struct yaffs_dev_s *dev, ++ int nand_chunk, __u8 *data, ++ yaffs_ext_tags *tags); ++ int (*bad_block_fn) (struct yaffs_dev_s *dev, int block_no); ++ int (*query_block_fn) (struct yaffs_dev_s *dev, int block_no, ++ yaffs_block_state_t *state, __u32 *seq_number); ++#endif ++ ++ /* The remove_obj_fn function must be supplied by OS flavours that ++ * need it. ++ * yaffs direct uses it to implement the faster readdir. ++ * Linux uses it to protect the directory during unlocking. + */ +- void (*removeObjectCallback)(struct yaffs_ObjectStruct *obj); ++ void (*remove_obj_fn)(struct yaffs_obj_s *obj); + +- /* Callback to mark the superblock dirsty */ +- void (*markSuperBlockDirty)(void *superblock); ++ /* Callback to mark the superblock dirty */ ++ void (*sb_dirty_fn)(struct yaffs_dev_s *dev); ++ ++ /* Callback to control garbage collection. */ ++ unsigned (*gc_control)(struct yaffs_dev_s *dev); ++ ++ /* Debug control flags. Don't use unless you know what you're doing */ ++ int use_header_file_size; /* Flag to determine if we should use file sizes from the header */ ++ int disable_lazy_load; /* Disable lazy loading on this device */ ++ int wide_tnodes_disabled; /* Set to disable wide tnodes */ ++ int disable_soft_del; /* yaffs 1 only: Set to disable the use of softdeletion. */ ++ ++ int defered_dir_update; /* Set to defer directory updates */ + +- int wideTnodesDisabled; /* Set to disable wide tnodes */ ++#ifdef CONFIG_YAFFS_AUTO_UNICODE ++ int auto_unicode; ++#endif ++ int always_check_erased; /* Force chunk erased check always on */ ++}; + +- YCHAR *pathDividers; /* String of legal path dividers */ ++typedef struct yaffs_param_s yaffs_param_t; + ++struct yaffs_dev_s { ++ struct yaffs_param_s param; + +- /* End of stuff that must be set before initialisation. */ ++ /* Context storage. Holds extra OS specific data for this device */ + +- /* Checkpoint control. Can be set before or after initialisation */ +- __u8 skipCheckpointRead; +- __u8 skipCheckpointWrite; ++ void *os_context; ++ void *driver_context; ++ ++ struct ylist_head dev_list; + + /* Runtime parameters. Set up by YAFFS. */ ++ int data_bytes_per_chunk; + +- __u16 chunkGroupBits; /* 0 for devices <= 32MB. else log2(nchunks) - 16 */ +- __u16 chunkGroupSize; /* == 2^^chunkGroupBits */ ++ /* Non-wide tnode stuff */ ++ __u16 chunk_grp_bits; /* Number of bits that need to be resolved if ++ * the tnodes are not wide enough. ++ */ ++ __u16 chunk_grp_size; /* == 2^^chunk_grp_bits */ + + /* Stuff to support wide tnodes */ +- __u32 tnodeWidth; +- __u32 tnodeMask; ++ __u32 tnode_width; ++ __u32 tnode_mask; ++ __u32 tnode_size; + + /* Stuff for figuring out file offset to chunk conversions */ +- __u32 chunkShift; /* Shift value */ +- __u32 chunkDiv; /* Divisor after shifting: 1 for power-of-2 sizes */ +- __u32 chunkMask; /* Mask to use for power-of-2 case */ +- +- /* Stuff to handle inband tags */ +- int inbandTags; +- __u32 totalBytesPerChunk; +- +-#ifdef __KERNEL__ +- +- struct semaphore sem; /* Semaphore for waiting on erasure.*/ +- struct semaphore grossLock; /* Gross locking semaphore */ +- __u8 *spareBuffer; /* For mtdif2 use. Don't know the size of the buffer +- * at compile time so we have to allocate it. +- */ +- void (*putSuperFunc) (struct super_block *sb); +-#endif ++ __u32 chunk_shift; /* Shift value */ ++ __u32 chunk_div; /* Divisor after shifting: 1 for power-of-2 sizes */ ++ __u32 chunk_mask; /* Mask to use for power-of-2 case */ + +- int isMounted; + +- int isCheckpointed; ++ ++ int is_mounted; ++ int read_only; ++ int is_checkpointed; + + + /* Stuff to support block offsetting to support start block zero */ +- int internalStartBlock; +- int internalEndBlock; +- int blockOffset; +- int chunkOffset; ++ int internal_start_block; ++ int internal_end_block; ++ int block_offset; ++ int chunk_offset; + + + /* Runtime checkpointing stuff */ +- int checkpointPageSequence; /* running sequence number of checkpoint pages */ +- int checkpointByteCount; +- int checkpointByteOffset; +- __u8 *checkpointBuffer; +- int checkpointOpenForWrite; +- int blocksInCheckpoint; +- int checkpointCurrentChunk; +- int checkpointCurrentBlock; +- int checkpointNextBlock; +- int *checkpointBlockList; +- int checkpointMaxBlocks; +- __u32 checkpointSum; +- __u32 checkpointXor; ++ int checkpt_page_seq; /* running sequence number of checkpoint pages */ ++ int checkpt_byte_count; ++ int checkpt_byte_offs; ++ __u8 *checkpt_buffer; ++ int checkpt_open_write; ++ int blocks_in_checkpt; ++ int checkpt_cur_chunk; ++ int checkpt_cur_block; ++ int checkpt_next_block; ++ int *checkpt_block_list; ++ int checkpt_max_blocks; ++ __u32 checkpt_sum; ++ __u32 checkpt_xor; + +- int nCheckpointBlocksRequired; /* Number of blocks needed to store current checkpoint set */ ++ int checkpoint_blocks_required; /* Number of blocks needed to store current checkpoint set */ + + /* Block Info */ +- yaffs_BlockInfo *blockInfo; +- __u8 *chunkBits; /* bitmap of chunks in use */ +- unsigned blockInfoAlt:1; /* was allocated using alternative strategy */ +- unsigned chunkBitsAlt:1; /* was allocated using alternative strategy */ +- int chunkBitmapStride; /* Number of bytes of chunkBits per block. +- * Must be consistent with nChunksPerBlock. ++ yaffs_block_info_t *block_info; ++ __u8 *chunk_bits; /* bitmap of chunks in use */ ++ unsigned block_info_alt:1; /* was allocated using alternative strategy */ ++ unsigned chunk_bits_alt:1; /* was allocated using alternative strategy */ ++ int chunk_bit_stride; /* Number of bytes of chunk_bits per block. ++ * Must be consistent with chunks_per_block. + */ + +- int nErasedBlocks; +- int allocationBlock; /* Current block being allocated off */ +- __u32 allocationPage; +- int allocationBlockFinder; /* Used to search for next allocation block */ +- +- /* Runtime state */ +- int nTnodesCreated; +- yaffs_Tnode *freeTnodes; +- int nFreeTnodes; +- yaffs_TnodeList *allocatedTnodeList; +- +- int isDoingGC; +- int gcBlock; +- int gcChunk; +- +- int nObjectsCreated; +- yaffs_Object *freeObjects; +- int nFreeObjects; +- +- int nHardLinks; +- +- yaffs_ObjectList *allocatedObjectList; +- +- yaffs_ObjectBucket objectBucket[YAFFS_NOBJECT_BUCKETS]; +- +- int nFreeChunks; +- +- int currentDirtyChecker; /* Used to find current dirtiest block */ +- +- __u32 *gcCleanupList; /* objects to delete at the end of a GC. */ +- int nonAggressiveSkip; /* GC state/mode */ +- +- /* Statistcs */ +- int nPageWrites; +- int nPageReads; +- int nBlockErasures; +- int nErasureFailures; +- int nGCCopies; +- int garbageCollections; +- int passiveGarbageCollections; +- int nRetriedWrites; +- int nRetiredBlocks; +- int eccFixed; +- int eccUnfixed; +- int tagsEccFixed; +- int tagsEccUnfixed; +- int nDeletions; +- int nUnmarkedDeletions; +- +- int hasPendingPrioritisedGCs; /* We think this device might have pending prioritised gcs */ ++ int n_erased_blocks; ++ int alloc_block; /* Current block being allocated off */ ++ __u32 alloc_page; ++ int alloc_block_finder; /* Used to search for next allocation block */ ++ ++ /* Object and Tnode memory management */ ++ void *allocator; ++ int n_obj; ++ int n_tnodes; ++ ++ int n_hardlinks; ++ ++ yaffs_obj_bucket obj_bucket[YAFFS_NOBJECT_BUCKETS]; ++ __u32 bucket_finder; ++ ++ int n_free_chunks; ++ ++ /* Garbage collection control */ ++ __u32 *gc_cleanup_list; /* objects to delete at the end of a GC. */ ++ __u32 n_clean_ups; ++ ++ unsigned has_pending_prioritised_gc; /* We think this device might have pending prioritised gcs */ ++ unsigned gc_disable; ++ unsigned gc_block_finder; ++ unsigned gc_dirtiest; ++ unsigned gc_pages_in_use; ++ unsigned gc_not_done; ++ unsigned gc_block; ++ unsigned gc_chunk; ++ unsigned gc_skip; + + /* Special directories */ +- yaffs_Object *rootDir; +- yaffs_Object *lostNFoundDir; ++ yaffs_obj_t *root_dir; ++ yaffs_obj_t *lost_n_found; + + /* Buffer areas for storing data to recover from write failures TODO +- * __u8 bufferedData[YAFFS_CHUNKS_PER_BLOCK][YAFFS_BYTES_PER_CHUNK]; +- * yaffs_Spare bufferedSpare[YAFFS_CHUNKS_PER_BLOCK]; ++ * __u8 buffered_data[YAFFS_CHUNKS_PER_BLOCK][YAFFS_BYTES_PER_CHUNK]; ++ * yaffs_spare buffered_spare[YAFFS_CHUNKS_PER_BLOCK]; + */ + +- int bufferedBlock; /* Which block is buffered here? */ +- int doingBufferedBlockRewrite; +- +- yaffs_ChunkCache *srCache; +- int srLastUse; ++ int buffered_block; /* Which block is buffered here? */ ++ int doing_buffered_block_rewrite; + +- int cacheHits; ++ yaffs_cache_t *cache; ++ int cache_last_use; + + /* Stuff for background deletion and unlinked files.*/ +- yaffs_Object *unlinkedDir; /* Directory where unlinked and deleted files live. */ +- yaffs_Object *deletedDir; /* Directory where deleted objects are sent to disappear. */ +- yaffs_Object *unlinkedDeletion; /* Current file being background deleted.*/ +- int nDeletedFiles; /* Count of files awaiting deletion;*/ +- int nUnlinkedFiles; /* Count of unlinked files. */ +- int nBackgroundDeletions; /* Count of background deletions. */ +- ++ yaffs_obj_t *unlinked_dir; /* Directory where unlinked and deleted files live. */ ++ yaffs_obj_t *del_dir; /* Directory where deleted objects are sent to disappear. */ ++ yaffs_obj_t *unlinked_deletion; /* Current file being background deleted.*/ ++ int n_deleted_files; /* Count of files awaiting deletion;*/ ++ int n_unlinked_files; /* Count of unlinked files. */ ++ int n_bg_deletions; /* Count of background deletions. */ + + /* Temporary buffer management */ +- yaffs_TempBuffer tempBuffer[YAFFS_N_TEMP_BUFFERS]; +- int maxTemp; +- int tempInUse; +- int unmanagedTempAllocations; +- int unmanagedTempDeallocations; ++ yaffs_buffer_t temp_buffer[YAFFS_N_TEMP_BUFFERS]; ++ int max_temp; ++ int temp_in_use; ++ int unmanaged_buffer_allocs; ++ int unmanaged_buffer_deallocs; + + /* yaffs2 runtime stuff */ +- unsigned sequenceNumber; /* Sequence number of currently allocating block */ +- unsigned oldestDirtySequence; ++ unsigned seq_number; /* Sequence number of currently allocating block */ ++ unsigned oldest_dirty_seq; ++ unsigned oldest_dirty_block; ++ ++ /* Block refreshing */ ++ int refresh_skip; /* A skip down counter. Refresh happens when this gets to zero. */ ++ ++ /* Dirty directory handling */ ++ struct ylist_head dirty_dirs; /* List of dirty directories */ ++ ++ ++ /* Statistcs */ ++ __u32 n_page_writes; ++ __u32 n_page_reads; ++ __u32 n_erasures; ++ __u32 n_erase_failures; ++ __u32 n_gc_copies; ++ __u32 all_gcs; ++ __u32 passive_gc_count; ++ __u32 oldest_dirty_gc_count; ++ __u32 n_gc_blocks; ++ __u32 bg_gcs; ++ __u32 n_retired_writes; ++ __u32 n_retired_blocks; ++ __u32 n_ecc_fixed; ++ __u32 n_ecc_unfixed; ++ __u32 n_tags_ecc_fixed; ++ __u32 n_tags_ecc_unfixed; ++ __u32 n_deletions; ++ __u32 n_unmarked_deletions; ++ __u32 refresh_count; ++ __u32 cache_hits; + + }; + +-typedef struct yaffs_DeviceStruct yaffs_Device; ++typedef struct yaffs_dev_s yaffs_dev_t; + + /* The static layout of block usage etc is stored in the super block header */ + typedef struct { + int StructType; + int version; +- int checkpointStartBlock; +- int checkpointEndBlock; +- int startBlock; +- int endBlock; ++ int checkpt_start_block; ++ int checkpt_end_block; ++ int start_block; ++ int end_block; + int rfu[100]; +-} yaffs_SuperBlockHeader; ++} yaffs_sb_header; + + /* The CheckpointDevice structure holds the device information that changes at runtime and + * must be preserved over unmount/mount cycles. + */ + typedef struct { +- int structType; +- int nErasedBlocks; +- int allocationBlock; /* Current block being allocated off */ +- __u32 allocationPage; +- int nFreeChunks; +- +- int nDeletedFiles; /* Count of files awaiting deletion;*/ +- int nUnlinkedFiles; /* Count of unlinked files. */ +- int nBackgroundDeletions; /* Count of background deletions. */ ++ int struct_type; ++ int n_erased_blocks; ++ int alloc_block; /* Current block being allocated off */ ++ __u32 alloc_page; ++ int n_free_chunks; ++ ++ int n_deleted_files; /* Count of files awaiting deletion;*/ ++ int n_unlinked_files; /* Count of unlinked files. */ ++ int n_bg_deletions; /* Count of background deletions. */ + + /* yaffs2 runtime stuff */ +- unsigned sequenceNumber; /* Sequence number of currently allocating block */ +- unsigned oldestDirtySequence; ++ unsigned seq_number; /* Sequence number of currently allocating block */ + +-} yaffs_CheckpointDevice; ++} yaffs_checkpt_dev_t; + + + typedef struct { +- int structType; ++ int struct_type; + __u32 magic; + __u32 version; + __u32 head; +-} yaffs_CheckpointValidity; ++} yaffs_checkpt_validty_t; ++ ++ ++struct yaffs_shadow_fixer_s { ++ int obj_id; ++ int shadowed_id; ++ struct yaffs_shadow_fixer_s *next; ++}; ++ ++/* Structure for doing xattr modifications */ ++typedef struct { ++ int set; /* If 0 then this is a deletion */ ++ const YCHAR *name; ++ const void *data; ++ int size; ++ int flags; ++ int result; ++}yaffs_xattr_mod; + + + /*----------------------- YAFFS Functions -----------------------*/ + +-int yaffs_GutsInitialise(yaffs_Device *dev); +-void yaffs_Deinitialise(yaffs_Device *dev); ++int yaffs_guts_initialise(yaffs_dev_t *dev); ++void yaffs_deinitialise(yaffs_dev_t *dev); + +-int yaffs_GetNumberOfFreeChunks(yaffs_Device *dev); ++int yaffs_get_n_free_chunks(yaffs_dev_t *dev); + +-int yaffs_RenameObject(yaffs_Object *oldDir, const YCHAR *oldName, +- yaffs_Object *newDir, const YCHAR *newName); ++int yaffs_rename_obj(yaffs_obj_t *old_dir, const YCHAR *old_name, ++ yaffs_obj_t *new_dir, const YCHAR *new_name); + +-int yaffs_Unlink(yaffs_Object *dir, const YCHAR *name); +-int yaffs_DeleteObject(yaffs_Object *obj); ++int yaffs_unlinker(yaffs_obj_t *dir, const YCHAR *name); ++int yaffs_del_obj(yaffs_obj_t *obj); + +-int yaffs_GetObjectName(yaffs_Object *obj, YCHAR *name, int buffSize); +-int yaffs_GetObjectFileLength(yaffs_Object *obj); +-int yaffs_GetObjectInode(yaffs_Object *obj); +-unsigned yaffs_GetObjectType(yaffs_Object *obj); +-int yaffs_GetObjectLinkCount(yaffs_Object *obj); ++int yaffs_get_obj_name(yaffs_obj_t *obj, YCHAR *name, int buffer_size); ++int yaffs_get_obj_length(yaffs_obj_t *obj); ++int yaffs_get_obj_inode(yaffs_obj_t *obj); ++unsigned yaffs_get_obj_type(yaffs_obj_t *obj); ++int yaffs_get_obj_link_count(yaffs_obj_t *obj); + +-int yaffs_SetAttributes(yaffs_Object *obj, struct iattr *attr); +-int yaffs_GetAttributes(yaffs_Object *obj, struct iattr *attr); ++int yaffs_set_attribs(yaffs_obj_t *obj, struct iattr *attr); ++int yaffs_get_attribs(yaffs_obj_t *obj, struct iattr *attr); + + /* File operations */ +-int yaffs_ReadDataFromFile(yaffs_Object *obj, __u8 *buffer, loff_t offset, +- int nBytes); +-int yaffs_WriteDataToFile(yaffs_Object *obj, const __u8 *buffer, loff_t offset, +- int nBytes, int writeThrough); +-int yaffs_ResizeFile(yaffs_Object *obj, loff_t newSize); ++int yaffs_file_rd(yaffs_obj_t *obj, __u8 *buffer, loff_t offset, ++ int n_bytes); ++int yaffs_wr_file(yaffs_obj_t *obj, const __u8 *buffer, loff_t offset, ++ int n_bytes, int write_trhrough); ++int yaffs_resize_file(yaffs_obj_t *obj, loff_t new_size); + +-yaffs_Object *yaffs_MknodFile(yaffs_Object *parent, const YCHAR *name, ++yaffs_obj_t *yaffs_create_file(yaffs_obj_t *parent, const YCHAR *name, + __u32 mode, __u32 uid, __u32 gid); +-int yaffs_FlushFile(yaffs_Object *obj, int updateTime); ++ ++int yaffs_flush_file(yaffs_obj_t *obj, int update_time, int data_sync); + + /* Flushing and checkpointing */ +-void yaffs_FlushEntireDeviceCache(yaffs_Device *dev); ++void yaffs_flush_whole_cache(yaffs_dev_t *dev); + +-int yaffs_CheckpointSave(yaffs_Device *dev); +-int yaffs_CheckpointRestore(yaffs_Device *dev); ++int yaffs_checkpoint_save(yaffs_dev_t *dev); ++int yaffs_checkpoint_restore(yaffs_dev_t *dev); + + /* Directory operations */ +-yaffs_Object *yaffs_MknodDirectory(yaffs_Object *parent, const YCHAR *name, ++yaffs_obj_t *yaffs_create_dir(yaffs_obj_t *parent, const YCHAR *name, + __u32 mode, __u32 uid, __u32 gid); +-yaffs_Object *yaffs_FindObjectByName(yaffs_Object *theDir, const YCHAR *name); +-int yaffs_ApplyToDirectoryChildren(yaffs_Object *theDir, +- int (*fn) (yaffs_Object *)); ++yaffs_obj_t *yaffs_find_by_name(yaffs_obj_t *the_dir, const YCHAR *name); ++int yaffs_ApplyToDirectoryChildren(yaffs_obj_t *the_dir, ++ int (*fn) (yaffs_obj_t *)); + +-yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device *dev, __u32 number); ++yaffs_obj_t *yaffs_find_by_number(yaffs_dev_t *dev, __u32 number); + + /* Link operations */ +-yaffs_Object *yaffs_Link(yaffs_Object *parent, const YCHAR *name, +- yaffs_Object *equivalentObject); ++yaffs_obj_t *yaffs_link_obj(yaffs_obj_t *parent, const YCHAR *name, ++ yaffs_obj_t *equiv_obj); + +-yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object *obj); ++yaffs_obj_t *yaffs_get_equivalent_obj(yaffs_obj_t *obj); + + /* Symlink operations */ +-yaffs_Object *yaffs_MknodSymLink(yaffs_Object *parent, const YCHAR *name, ++yaffs_obj_t *yaffs_create_symlink(yaffs_obj_t *parent, const YCHAR *name, + __u32 mode, __u32 uid, __u32 gid, + const YCHAR *alias); +-YCHAR *yaffs_GetSymlinkAlias(yaffs_Object *obj); ++YCHAR *yaffs_get_symlink_alias(yaffs_obj_t *obj); + + /* Special inodes (fifos, sockets and devices) */ +-yaffs_Object *yaffs_MknodSpecial(yaffs_Object *parent, const YCHAR *name, ++yaffs_obj_t *yaffs_create_special(yaffs_obj_t *parent, const YCHAR *name, + __u32 mode, __u32 uid, __u32 gid, __u32 rdev); + ++ ++int yaffs_set_xattrib(yaffs_obj_t *obj, const YCHAR *name, const void * value, int size, int flags); ++int yaffs_get_xattrib(yaffs_obj_t *obj, const YCHAR *name, void *value, int size); ++int yaffs_list_xattrib(yaffs_obj_t *obj, char *buffer, int size); ++int yaffs_remove_xattrib(yaffs_obj_t *obj, const YCHAR *name); ++ + /* Special directories */ +-yaffs_Object *yaffs_Root(yaffs_Device *dev); +-yaffs_Object *yaffs_LostNFound(yaffs_Device *dev); ++yaffs_obj_t *yaffs_root(yaffs_dev_t *dev); ++yaffs_obj_t *yaffs_lost_n_found(yaffs_dev_t *dev); + + #ifdef CONFIG_YAFFS_WINCE + /* CONFIG_YAFFS_WINCE special stuff */ +-void yfsd_WinFileTimeNow(__u32 target[2]); ++void yfsd_win_file_time_now(__u32 target[2]); + #endif + +-#ifdef __KERNEL__ ++void yaffs_handle_defered_free(yaffs_obj_t *obj); + +-void yaffs_HandleDeferedFree(yaffs_Object *obj); +-#endif ++void yaffs_update_dirty_dirs(yaffs_dev_t *dev); ++ ++int yaffs_bg_gc(yaffs_dev_t *dev, unsigned urgency); + + /* Debug dump */ +-int yaffs_DumpObject(yaffs_Object *obj); ++int yaffs_dump_obj(yaffs_obj_t *obj); + +-void yaffs_GutsTest(yaffs_Device *dev); ++void yaffs_guts_test(yaffs_dev_t *dev); + +-/* A few useful functions */ +-void yaffs_InitialiseTags(yaffs_ExtendedTags *tags); +-void yaffs_DeleteChunk(yaffs_Device *dev, int chunkId, int markNAND, int lyn); +-int yaffs_CheckFF(__u8 *buffer, int nBytes); +-void yaffs_HandleChunkError(yaffs_Device *dev, yaffs_BlockInfo *bi); ++/* A few useful functions to be used within the core files*/ ++void yaffs_chunk_del(yaffs_dev_t *dev, int chunk_id, int mark_flash, int lyn); ++int yaffs_check_ff(__u8 *buffer, int n_bytes); ++void yaffs_handle_chunk_error(yaffs_dev_t *dev, yaffs_block_info_t *bi); ++ ++__u8 *yaffs_get_temp_buffer(yaffs_dev_t *dev, int line_no); ++void yaffs_release_temp_buffer(yaffs_dev_t *dev, __u8 *buffer, int line_no); ++ ++yaffs_obj_t *yaffs_find_or_create_by_number(yaffs_dev_t *dev, ++ int number, ++ yaffs_obj_type type); ++int yaffs_put_chunk_in_file(yaffs_obj_t *in, int inode_chunk, ++ int nand_chunk, int in_scan); ++void yaffs_set_obj_name(yaffs_obj_t *obj, const YCHAR *name); ++void yaffs_set_obj_name_from_oh(yaffs_obj_t *obj, const yaffs_obj_header *oh); ++void yaffs_add_obj_to_dir(yaffs_obj_t *directory, ++ yaffs_obj_t *obj); ++YCHAR *yaffs_clone_str(const YCHAR *str); ++void yaffs_link_fixup(yaffs_dev_t *dev, yaffs_obj_t *hard_list); ++void yaffs_block_became_dirty(yaffs_dev_t *dev, int block_no); ++int yaffs_update_oh(yaffs_obj_t *in, const YCHAR *name, ++ int force, int is_shrink, int shadows, ++ yaffs_xattr_mod *xop); ++void yaffs_handle_shadowed_obj(yaffs_dev_t *dev, int obj_id, ++ int backward_scanning); ++int yaffs_check_alloc_available(yaffs_dev_t *dev, int n_chunks); ++yaffs_tnode_t *yaffs_get_tnode(yaffs_dev_t *dev); ++yaffs_tnode_t *yaffs_add_find_tnode_0(yaffs_dev_t *dev, ++ yaffs_file_s *file_struct, ++ __u32 chunk_id, ++ yaffs_tnode_t *passed_tn); ++ ++int yaffs_do_file_wr(yaffs_obj_t *in, const __u8 *buffer, loff_t offset, ++ int n_bytes, int write_trhrough); ++void yaffs_resize_file_down( yaffs_obj_t *obj, loff_t new_size); ++void yaffs_skip_rest_of_block(yaffs_dev_t *dev); ++ ++int yaffs_count_free_chunks(yaffs_dev_t *dev); ++ ++yaffs_tnode_t *yaffs_find_tnode_0(yaffs_dev_t *dev, ++ yaffs_file_s *file_struct, ++ __u32 chunk_id); + +-__u8 *yaffs_GetTempBuffer(yaffs_Device *dev, int lineNo); +-void yaffs_ReleaseTempBuffer(yaffs_Device *dev, __u8 *buffer, int lineNo); ++__u32 yaffs_get_group_base(yaffs_dev_t *dev, yaffs_tnode_t *tn, unsigned pos); + + #endif +--- a/fs/yaffs2/yaffsinterface.h ++++ b/fs/yaffs2/yaffsinterface.h +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -16,6 +16,6 @@ + #ifndef __YAFFSINTERFACE_H__ + #define __YAFFSINTERFACE_H__ + +-int yaffs_Initialise(unsigned nBlocks); ++int yaffs_initialise(unsigned nBlocks); + + #endif +--- /dev/null ++++ b/fs/yaffs2/yaffs_linux_allocator.c +@@ -0,0 +1,200 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2010 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning <charles@aleph1.co.uk> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ * ++ * Note: Tis code is currently unused. Being checked in in case it becomes useful. ++ */ ++ ++ ++#include "yaffs_allocator.h" ++#include "yaffs_guts.h" ++#include "yaffs_trace.h" ++#include "yportenv.h" ++#include "yaffs_linux.h" ++/* ++ * Start out with the same allocator as yaffs direct. ++ * Todo: Change to Linux slab allocator. ++ */ ++ ++ ++ ++#define NAMELEN 20 ++struct yaffs_AllocatorStruct { ++ char tnode_name[NAMELEN+1]; ++ char object_name[NAMELEN+1]; ++ struct kmem_cache *tnode_cache; ++ struct kmem_cache *object_cache; ++}; ++ ++typedef struct yaffs_AllocatorStruct yaffs_Allocator; ++ ++int mount_id; ++ ++void yaffs_deinit_raw_tnodes_and_objs(yaffs_dev_t *dev) ++{ ++ yaffs_Allocator *allocator = (yaffs_Allocator *)dev->allocator; ++ ++ T(YAFFS_TRACE_ALLOCATE,(TSTR("Deinitialising yaffs allocator\n"))); ++ ++ if(allocator){ ++ if(allocator->tnode_cache){ ++ kmem_cache_destroy(allocator->tnode_cache); ++ allocator->tnode_cache = NULL; ++ } else { ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR("NULL tnode cache\n"))); ++ YBUG(); ++ } ++ ++ if(allocator->object_cache){ ++ kmem_cache_destroy(allocator->object_cache); ++ allocator->object_cache = NULL; ++ } else { ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR("NULL object cache\n"))); ++ YBUG(); ++ } ++ ++ YFREE(allocator); ++ ++ } else { ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR("Deinitialising NULL allocator\n"))); ++ YBUG(); ++ } ++ dev->allocator = NULL; ++} ++ ++ ++static void fake_ctor0(void *data){data = data;} ++static void fake_ctor1(void *data){data = data;} ++static void fake_ctor2(void *data){data = data;} ++static void fake_ctor3(void *data){data = data;} ++static void fake_ctor4(void *data){data = data;} ++static void fake_ctor5(void *data){data = data;} ++static void fake_ctor6(void *data){data = data;} ++static void fake_ctor7(void *data){data = data;} ++static void fake_ctor8(void *data){data = data;} ++static void fake_ctor9(void *data){data = data;} ++ ++static void (*fake_ctor_list[10]) (void *) = { ++ fake_ctor0, ++ fake_ctor1, ++ fake_ctor2, ++ fake_ctor3, ++ fake_ctor4, ++ fake_ctor5, ++ fake_ctor6, ++ fake_ctor7, ++ fake_ctor8, ++ fake_ctor9, ++}; ++ ++void yaffs_init_raw_tnodes_and_objs(yaffs_dev_t *dev) ++{ ++ yaffs_Allocator *allocator; ++ unsigned mount_id = yaffs_dev_to_lc(dev)->mount_id; ++ ++ T(YAFFS_TRACE_ALLOCATE,(TSTR("Initialising yaffs allocator\n"))); ++ ++ if(dev->allocator) ++ YBUG(); ++ else if(mount_id >= 10){ ++ T(YAFFS_TRACE_ALWAYS,(TSTR("Bad mount_id %u\n"),mount_id)); ++ } else { ++ allocator = YMALLOC(sizeof(yaffs_Allocator)); ++ memset(allocator,0,sizeof(yaffs_Allocator)); ++ dev->allocator = allocator; ++ ++ if(!dev->allocator){ ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR("yaffs allocator creation failed\n"))); ++ YBUG(); ++ return; ++ ++ } ++ ++ sprintf(allocator->tnode_name,"yaffs_t_%u",mount_id); ++ sprintf(allocator->object_name,"yaffs_o_%u",mount_id); ++ ++ allocator->tnode_cache = ++ kmem_cache_create(allocator->tnode_name, ++ dev->tnode_size, ++ 0, 0, ++ fake_ctor_list[mount_id]); ++ if(allocator->tnode_cache) ++ T(YAFFS_TRACE_ALLOCATE, ++ (TSTR("tnode cache \"%s\" %p\n"), ++ allocator->tnode_name,allocator->tnode_cache)); ++ else { ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR("yaffs cache creation failed\n"))); ++ YBUG(); ++ } ++ ++ ++ allocator->object_cache = ++ kmem_cache_create(allocator->object_name, ++ sizeof(yaffs_obj_t), ++ 0, 0, ++ fake_ctor_list[mount_id]); ++ ++ if(allocator->object_cache) ++ T(YAFFS_TRACE_ALLOCATE, ++ (TSTR("object cache \"%s\" %p\n"), ++ allocator->object_name,allocator->object_cache)); ++ ++ else { ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR("yaffs cache creation failed\n"))); ++ YBUG(); ++ } ++ } ++} ++ ++ ++yaffs_tnode_t *yaffs_alloc_raw_tnode(yaffs_dev_t *dev) ++{ ++ yaffs_Allocator *allocator = dev->allocator; ++ if(!allocator || !allocator->tnode_cache){ ++ YBUG(); ++ return NULL; ++ } ++ return kmem_cache_alloc(allocator->tnode_cache, GFP_NOFS); ++} ++ ++void yaffs_free_raw_tnode(yaffs_dev_t *dev, yaffs_tnode_t *tn) ++{ ++ yaffs_Allocator *allocator = dev->allocator; ++ kmem_cache_free(allocator->tnode_cache,tn); ++} ++ ++yaffs_obj_t *yaffs_alloc_raw_obj(yaffs_dev_t *dev) ++{ ++ yaffs_Allocator *allocator = dev->allocator; ++ if(!allocator){ ++ YBUG(); ++ return NULL; ++ } ++ if(!allocator->object_cache){ ++ YBUG(); ++ return NULL; ++ } ++ return kmem_cache_alloc(allocator->object_cache, GFP_NOFS); ++} ++ ++void yaffs_free_raw_obj(yaffs_dev_t *dev, yaffs_obj_t *obj) ++{ ++ yaffs_Allocator *allocator = dev->allocator; ++ kmem_cache_free(allocator->object_cache,obj); ++} +--- /dev/null ++++ b/fs/yaffs2/yaffs_linux.h +@@ -0,0 +1,43 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2010 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning <charles@aleph1.co.uk> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++#ifndef __YAFFS_LINUX_H__ ++#define __YAFFS_LINUX_H__ ++ ++#include "devextras.h" ++#include "yportenv.h" ++ ++struct yaffs_LinuxContext { ++ struct ylist_head contextList; /* List of these we have mounted */ ++ struct yaffs_dev_s *dev; ++ struct super_block * superBlock; ++ struct task_struct *bgThread; /* Background thread for this device */ ++ int bgRunning; ++ struct semaphore grossLock; /* Gross locking semaphore */ ++ __u8 *spareBuffer; /* For mtdif2 use. Don't know the size of the buffer ++ * at compile time so we have to allocate it. ++ */ ++ struct ylist_head searchContexts; ++ void (*putSuperFunc)(struct super_block *sb); ++ ++ struct task_struct *readdirProcess; ++ unsigned mount_id; ++}; ++ ++#define yaffs_dev_to_lc(dev) ((struct yaffs_LinuxContext *)((dev)->os_context)) ++#define yaffs_dev_to_mtd(dev) ((struct mtd_info *)((dev)->driver_context)) ++ ++#endif ++ +--- /dev/null ++++ b/fs/yaffs2/yaffs_list.h +@@ -0,0 +1,127 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2010 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning <charles@aleph1.co.uk> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++/* ++ * This file is just holds extra declarations of macros that would normally ++ * be providesd in the Linux kernel. These macros have been written from ++ * scratch but are functionally equivalent to the Linux ones. ++ * ++ */ ++ ++#ifndef __YAFFS_LIST_H__ ++#define __YAFFS_LIST_H__ ++ ++ ++#include "yportenv.h" ++ ++/* ++ * This is a simple doubly linked list implementation that matches the ++ * way the Linux kernel doubly linked list implementation works. ++ */ ++ ++struct ylist_head { ++ struct ylist_head *next; /* next in chain */ ++ struct ylist_head *prev; /* previous in chain */ ++}; ++ ++ ++/* Initialise a static list */ ++#define YLIST_HEAD(name) \ ++struct ylist_head name = { &(name), &(name)} ++ ++ ++ ++/* Initialise a list head to an empty list */ ++#define YINIT_LIST_HEAD(p) \ ++do { \ ++ (p)->next = (p);\ ++ (p)->prev = (p); \ ++} while (0) ++ ++ ++/* Add an element to a list */ ++static Y_INLINE void ylist_add(struct ylist_head *newEntry, ++ struct ylist_head *list) ++{ ++ struct ylist_head *listNext = list->next; ++ ++ list->next = newEntry; ++ newEntry->prev = list; ++ newEntry->next = listNext; ++ listNext->prev = newEntry; ++ ++} ++ ++static Y_INLINE void ylist_add_tail(struct ylist_head *newEntry, ++ struct ylist_head *list) ++{ ++ struct ylist_head *listPrev = list->prev; ++ ++ list->prev = newEntry; ++ newEntry->next = list; ++ newEntry->prev = listPrev; ++ listPrev->next = newEntry; ++ ++} ++ ++ ++/* Take an element out of its current list, with or without ++ * reinitialising the links.of the entry*/ ++static Y_INLINE void ylist_del(struct ylist_head *entry) ++{ ++ struct ylist_head *listNext = entry->next; ++ struct ylist_head *listPrev = entry->prev; ++ ++ listNext->prev = listPrev; ++ listPrev->next = listNext; ++ ++} ++ ++static Y_INLINE void ylist_del_init(struct ylist_head *entry) ++{ ++ ylist_del(entry); ++ entry->next = entry->prev = entry; ++} ++ ++ ++/* Test if the list is empty */ ++static Y_INLINE int ylist_empty(struct ylist_head *entry) ++{ ++ return (entry->next == entry); ++} ++ ++ ++/* ylist_entry takes a pointer to a list entry and offsets it to that ++ * we can find a pointer to the object it is embedded in. ++ */ ++ ++ ++#define ylist_entry(entry, type, member) \ ++ ((type *)((char *)(entry)-(unsigned long)(&((type *)NULL)->member))) ++ ++ ++/* ylist_for_each and list_for_each_safe iterate over lists. ++ * ylist_for_each_safe uses temporary storage to make the list delete safe ++ */ ++ ++#define ylist_for_each(itervar, list) \ ++ for (itervar = (list)->next; itervar != (list); itervar = itervar->next) ++ ++#define ylist_for_each_safe(itervar, saveVar, list) \ ++ for (itervar = (list)->next, saveVar = (list)->next->next; \ ++ itervar != (list); itervar = saveVar, saveVar = saveVar->next) ++ ++ ++#endif +--- a/fs/yaffs2/yaffs_mtdif1.c ++++ b/fs/yaffs2/yaffs_mtdif1.c +@@ -2,7 +2,7 @@ + * YAFFS: Yet another FFS. A NAND-flash specific file system. + * yaffs_mtdif1.c NAND mtd interface functions for small-page NAND. + * +- * Copyright (C) 2002 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * This program is free software; you can redistribute it and/or modify +@@ -18,15 +18,17 @@ + * + * These functions are invoked via function pointers in yaffs_nand.c. + * This replaces functionality provided by functions in yaffs_mtdif.c +- * and the yaffs_TagsCompatability functions in yaffs_tagscompat.c that are ++ * and the yaffs_tags_tCompatability functions in yaffs_tagscompat.c that are + * called in yaffs_mtdif.c when the function pointers are NULL. +- * We assume the MTD layer is performing ECC (useNANDECC is true). ++ * We assume the MTD layer is performing ECC (use_nand_ecc is true). + */ + + #include "yportenv.h" ++#include "yaffs_trace.h" + #include "yaffs_guts.h" + #include "yaffs_packedtags1.h" +-#include "yaffs_tagscompat.h" /* for yaffs_CalcTagsECC */ ++#include "yaffs_tagscompat.h" /* for yaffs_calc_tags_ecc */ ++#include "yaffs_linux.h" + + #include "linux/kernel.h" + #include "linux/version.h" +@@ -36,8 +38,6 @@ + /* Don't compile this module if we don't have MTD's mtd_oob_ops interface */ + #if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) + +-const char *yaffs_mtdif1_c_version = "$Id: yaffs_mtdif1.c,v 1.10 2009-03-09 07:41:10 charles Exp $"; +- + #ifndef CONFIG_YAFFS_9BYTE_TAGS + # define YTAG1_SIZE 8 + #else +@@ -51,12 +51,12 @@ const char *yaffs_mtdif1_c_version = "$I + * adjust 'oobfree' to match your existing Yaffs data. + * + * This nand_ecclayout scatters/gathers to/from the old-yaffs layout with the +- * pageStatus byte (at NAND spare offset 4) scattered/gathered from/to ++ * page_status byte (at NAND spare offset 4) scattered/gathered from/to + * the 9th byte. + * + * Old-style on-NAND format: T0,T1,T2,T3,P,B,T4,T5,E0,E1,E2,T6,T7,E3,E4,E5 +- * We have/need PackedTags1 plus pageStatus: T0,T1,T2,T3,T4,T5,T6,T7,P +- * where Tn are the tag bytes, En are MTD's ECC bytes, P is the pageStatus ++ * We have/need PackedTags1 plus page_status: T0,T1,T2,T3,T4,T5,T6,T7,P ++ * where Tn are the tag bytes, En are MTD's ECC bytes, P is the page_status + * byte and B is the small-page bad-block indicator byte. + */ + static struct nand_ecclayout nand_oob_16 = { +@@ -88,42 +88,40 @@ static struct nand_ecclayout nand_oob_16 + * Any underlying MTD error results in YAFFS_FAIL. + * Returns YAFFS_OK or YAFFS_FAIL. + */ +-int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device *dev, +- int chunkInNAND, const __u8 *data, const yaffs_ExtendedTags *etags) ++int nandmtd1_WriteChunkWithTagsToNAND(yaffs_dev_t *dev, ++ int nand_chunk, const __u8 *data, const yaffs_ext_tags *etags) + { +- struct mtd_info *mtd = dev->genericDevice; +- int chunkBytes = dev->nDataBytesPerChunk; +- loff_t addr = ((loff_t)chunkInNAND) * chunkBytes; ++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); ++ int chunkBytes = dev->data_bytes_per_chunk; ++ loff_t addr = ((loff_t)nand_chunk) * chunkBytes; + struct mtd_oob_ops ops; + yaffs_PackedTags1 pt1; + int retval; + +- /* we assume that PackedTags1 and yaffs_Tags are compatible */ ++ /* we assume that PackedTags1 and yaffs_tags_t are compatible */ + compile_time_assertion(sizeof(yaffs_PackedTags1) == 12); +- compile_time_assertion(sizeof(yaffs_Tags) == 8); +- +- dev->nPageWrites++; ++ compile_time_assertion(sizeof(yaffs_tags_t) == 8); + + yaffs_PackTags1(&pt1, etags); +- yaffs_CalcTagsECC((yaffs_Tags *)&pt1); ++ yaffs_calc_tags_ecc((yaffs_tags_t *)&pt1); + + /* When deleting a chunk, the upper layer provides only skeletal +- * etags, one with chunkDeleted set. However, we need to update the ++ * etags, one with is_deleted set. However, we need to update the + * tags, not erase them completely. So we use the NAND write property + * that only zeroed-bits stick and set tag bytes to all-ones and + * zero just the (not) deleted bit. + */ + #ifndef CONFIG_YAFFS_9BYTE_TAGS +- if (etags->chunkDeleted) { ++ if (etags->is_deleted) { + memset(&pt1, 0xff, 8); + /* clear delete status bit to indicate deleted */ + pt1.deleted = 0; + } + #else + ((__u8 *)&pt1)[8] = 0xff; +- if (etags->chunkDeleted) { ++ if (etags->is_deleted) { + memset(&pt1, 0xff, 8); +- /* zero pageStatus byte to indicate deleted */ ++ /* zero page_status byte to indicate deleted */ + ((__u8 *)&pt1)[8] = 0; + } + #endif +@@ -137,20 +135,20 @@ int nandmtd1_WriteChunkWithTagsToNAND(ya + + retval = mtd->write_oob(mtd, addr, &ops); + if (retval) { +- yaffs_trace(YAFFS_TRACE_MTD, +- "write_oob failed, chunk %d, mtd error %d\n", +- chunkInNAND, retval); ++ T(YAFFS_TRACE_MTD, ++ (TSTR("write_oob failed, chunk %d, mtd error %d"TENDSTR), ++ nand_chunk, retval)); + } + return retval ? YAFFS_FAIL : YAFFS_OK; + } + +-/* Return with empty ExtendedTags but add eccResult. ++/* Return with empty ExtendedTags but add ecc_result. + */ +-static int rettags(yaffs_ExtendedTags *etags, int eccResult, int retval) ++static int rettags(yaffs_ext_tags *etags, int ecc_result, int retval) + { + if (etags) { + memset(etags, 0, sizeof(*etags)); +- etags->eccResult = eccResult; ++ etags->ecc_result = ecc_result; + } + return retval; + } +@@ -158,30 +156,28 @@ static int rettags(yaffs_ExtendedTags *e + /* Read a chunk (page) from NAND. + * + * Caller expects ExtendedTags data to be usable even on error; that is, +- * all members except eccResult and blockBad are zeroed. ++ * all members except ecc_result and block_bad are zeroed. + * + * - Check ECC results for data (if applicable) + * - Check for blank/erased block (return empty ExtendedTags if blank) + * - Check the PackedTags1 mini-ECC (correct if necessary/possible) + * - Convert PackedTags1 to ExtendedTags +- * - Update eccResult and blockBad members to refect state. ++ * - Update ecc_result and block_bad members to refect state. + * + * Returns YAFFS_OK or YAFFS_FAIL. + */ +-int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device *dev, +- int chunkInNAND, __u8 *data, yaffs_ExtendedTags *etags) ++int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_dev_t *dev, ++ int nand_chunk, __u8 *data, yaffs_ext_tags *etags) + { +- struct mtd_info *mtd = dev->genericDevice; +- int chunkBytes = dev->nDataBytesPerChunk; +- loff_t addr = ((loff_t)chunkInNAND) * chunkBytes; ++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); ++ int chunkBytes = dev->data_bytes_per_chunk; ++ loff_t addr = ((loff_t)nand_chunk) * chunkBytes; + int eccres = YAFFS_ECC_RESULT_NO_ERROR; + struct mtd_oob_ops ops; + yaffs_PackedTags1 pt1; + int retval; + int deleted; + +- dev->nPageReads++; +- + memset(&ops, 0, sizeof(ops)); + ops.mode = MTD_OOB_AUTO; + ops.len = (data) ? chunkBytes : 0; +@@ -200,9 +196,9 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y + */ + retval = mtd->read_oob(mtd, addr, &ops); + if (retval) { +- yaffs_trace(YAFFS_TRACE_MTD, +- "read_oob failed, chunk %d, mtd error %d\n", +- chunkInNAND, retval); ++ T(YAFFS_TRACE_MTD, ++ (TSTR("read_oob failed, chunk %d, mtd error %d"TENDSTR), ++ nand_chunk, retval)); + } + + switch (retval) { +@@ -213,23 +209,23 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y + case -EUCLEAN: + /* MTD's ECC fixed the data */ + eccres = YAFFS_ECC_RESULT_FIXED; +- dev->eccFixed++; ++ dev->n_ecc_fixed++; + break; + + case -EBADMSG: + /* MTD's ECC could not fix the data */ +- dev->eccUnfixed++; ++ dev->n_ecc_unfixed++; + /* fall into... */ + default: + rettags(etags, YAFFS_ECC_RESULT_UNFIXED, 0); +- etags->blockBad = (mtd->block_isbad)(mtd, addr); ++ etags->block_bad = (mtd->block_isbad)(mtd, addr); + return YAFFS_FAIL; + } + + /* Check for a blank/erased chunk. + */ +- if (yaffs_CheckFF((__u8 *)&pt1, 8)) { +- /* when blank, upper layers want eccResult to be <= NO_ERROR */ ++ if (yaffs_check_ff((__u8 *)&pt1, 8)) { ++ /* when blank, upper layers want ecc_result to be <= NO_ERROR */ + return rettags(etags, YAFFS_ECC_RESULT_NO_ERROR, YAFFS_OK); + } + +@@ -241,37 +237,37 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y + deleted = !pt1.deleted; + pt1.deleted = 1; + #else +- deleted = (yaffs_CountBits(((__u8 *)&pt1)[8]) < 7); ++ deleted = (yaffs_count_bits(((__u8 *)&pt1)[8]) < 7); + #endif + + /* Check the packed tags mini-ECC and correct if necessary/possible. + */ +- retval = yaffs_CheckECCOnTags((yaffs_Tags *)&pt1); ++ retval = yaffs_check_tags_ecc((yaffs_tags_t *)&pt1); + switch (retval) { + case 0: + /* no tags error, use MTD result */ + break; + case 1: + /* recovered tags-ECC error */ +- dev->tagsEccFixed++; ++ dev->n_tags_ecc_fixed++; + if (eccres == YAFFS_ECC_RESULT_NO_ERROR) + eccres = YAFFS_ECC_RESULT_FIXED; + break; + default: + /* unrecovered tags-ECC error */ +- dev->tagsEccUnfixed++; ++ dev->n_tags_ecc_unfixed++; + return rettags(etags, YAFFS_ECC_RESULT_UNFIXED, YAFFS_FAIL); + } + + /* Unpack the tags to extended form and set ECC result. +- * [set shouldBeFF just to keep yaffs_UnpackTags1 happy] ++ * [set shouldBeFF just to keep yaffs_unpack_tags1 happy] + */ + pt1.shouldBeFF = 0xFFFFFFFF; +- yaffs_UnpackTags1(etags, &pt1); +- etags->eccResult = eccres; ++ yaffs_unpack_tags1(etags, &pt1); ++ etags->ecc_result = eccres; + + /* Set deleted state */ +- etags->chunkDeleted = deleted; ++ etags->is_deleted = deleted; + return YAFFS_OK; + } + +@@ -282,15 +278,15 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y + * + * Returns YAFFS_OK or YAFFS_FAIL. + */ +-int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo) ++int nandmtd1_MarkNANDBlockBad(struct yaffs_dev_s *dev, int block_no) + { +- struct mtd_info *mtd = dev->genericDevice; +- int blocksize = dev->nChunksPerBlock * dev->nDataBytesPerChunk; ++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); ++ int blocksize = dev->param.chunks_per_block * dev->data_bytes_per_chunk; + int retval; + +- yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, "marking block %d bad\n", blockNo); ++ T(YAFFS_TRACE_BAD_BLOCKS,(TSTR("marking block %d bad"TENDSTR), block_no)); + +- retval = mtd->block_markbad(mtd, (loff_t)blocksize * blockNo); ++ retval = mtd->block_markbad(mtd, (loff_t)blocksize * block_no); + return (retval) ? YAFFS_FAIL : YAFFS_OK; + } + +@@ -305,9 +301,9 @@ static int nandmtd1_TestPrerequists(stru + int oobavail = mtd->ecclayout->oobavail; + + if (oobavail < YTAG1_SIZE) { +- yaffs_trace(YAFFS_TRACE_ERROR, +- "mtd device has only %d bytes for tags, need %d\n", +- oobavail, YTAG1_SIZE); ++ T(YAFFS_TRACE_ERROR, ++ (TSTR("mtd device has only %d bytes for tags, need %d"TENDSTR), ++ oobavail, YTAG1_SIZE)); + return YAFFS_FAIL; + } + return YAFFS_OK; +@@ -322,13 +318,13 @@ static int nandmtd1_TestPrerequists(stru + * + * Always returns YAFFS_OK. + */ +-int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, +- yaffs_BlockState *pState, __u32 *pSequenceNumber) ++int nandmtd1_QueryNANDBlock(struct yaffs_dev_s *dev, int block_no, ++ yaffs_block_state_t *pState, __u32 *pSequenceNumber) + { +- struct mtd_info *mtd = dev->genericDevice; +- int chunkNo = blockNo * dev->nChunksPerBlock; +- loff_t addr = (loff_t)chunkNo * dev->nDataBytesPerChunk; +- yaffs_ExtendedTags etags; ++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); ++ int chunkNo = block_no * dev->param.chunks_per_block; ++ loff_t addr = (loff_t)chunkNo * dev->data_bytes_per_chunk; ++ yaffs_ext_tags etags; + int state = YAFFS_BLOCK_STATE_DEAD; + int seqnum = 0; + int retval; +@@ -340,17 +336,17 @@ int nandmtd1_QueryNANDBlock(struct yaffs + return YAFFS_FAIL; + + retval = nandmtd1_ReadChunkWithTagsFromNAND(dev, chunkNo, NULL, &etags); +- etags.blockBad = (mtd->block_isbad)(mtd, addr); +- if (etags.blockBad) { +- yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, +- "block %d is marked bad\n", blockNo); ++ etags.block_bad = (mtd->block_isbad)(mtd, addr); ++ if (etags.block_bad) { ++ T(YAFFS_TRACE_BAD_BLOCKS, ++ (TSTR("block %d is marked bad"TENDSTR), block_no)); + state = YAFFS_BLOCK_STATE_DEAD; +- } else if (etags.eccResult != YAFFS_ECC_RESULT_NO_ERROR) { ++ } else if (etags.ecc_result != YAFFS_ECC_RESULT_NO_ERROR) { + /* bad tags, need to look more closely */ + state = YAFFS_BLOCK_STATE_NEEDS_SCANNING; +- } else if (etags.chunkUsed) { ++ } else if (etags.chunk_used) { + state = YAFFS_BLOCK_STATE_NEEDS_SCANNING; +- seqnum = etags.sequenceNumber; ++ seqnum = etags.seq_number; + } else { + state = YAFFS_BLOCK_STATE_EMPTY; + } +--- a/fs/yaffs2/yaffs_mtdif1-compat.c ++++ /dev/null +@@ -1,434 +0,0 @@ +-From ian@brightstareng.com Fri May 18 15:06:49 2007 +-From ian@brightstareng.com Fri May 18 15:08:21 2007 +-Received: from 206.173.66.57.ptr.us.xo.net ([206.173.66.57] helo=zebra.brightstareng.com) +- by apollo.linkchoose.co.uk with esmtp (Exim 4.60) +- (envelope-from <ian@brightstareng.com>) +- id 1Hp380-00011e-T6 +- for david.goodenough@linkchoose.co.uk; Fri, 18 May 2007 15:08:21 +0100 +-Received: from localhost (localhost.localdomain [127.0.0.1]) +- by zebra.brightstareng.com (Postfix) with ESMTP +- id 4819F28C004; Fri, 18 May 2007 10:07:49 -0400 (EDT) +-Received: from zebra.brightstareng.com ([127.0.0.1]) +- by localhost (zebra [127.0.0.1]) (amavisd-new, port 10024) with ESMTP +- id 05328-06; Fri, 18 May 2007 10:07:16 -0400 (EDT) +-Received: from pippin (unknown [192.168.1.25]) +- by zebra.brightstareng.com (Postfix) with ESMTP +- id 8BEF528C1BC; Fri, 18 May 2007 10:06:53 -0400 (EDT) +-From: Ian McDonnell <ian@brightstareng.com> +-To: David Goodenough <david.goodenough@linkchoose.co.uk> +-Subject: Re: something tested this time -- yaffs_mtdif1-compat.c +-Date: Fri, 18 May 2007 10:06:49 -0400 +-User-Agent: KMail/1.9.1 +-References: <200705142207.06909.ian@brightstareng.com> <200705171131.53536.ian@brightstareng.com> <200705181334.32166.david.goodenough@linkchoose.co.uk> +-In-Reply-To: <200705181334.32166.david.goodenough@linkchoose.co.uk> +-Cc: Andrea Conti <alyf@alyf.net>, +- Charles Manning <manningc2@actrix.gen.nz> +-MIME-Version: 1.0 +-Content-Type: Multipart/Mixed; +- boundary="Boundary-00=_5LbTGmt62YoutxM" +-Message-Id: <200705181006.49860.ian@brightstareng.com> +-X-Virus-Scanned: by amavisd-new at brightstareng.com +-Status: R +-X-Status: NT +-X-KMail-EncryptionState: +-X-KMail-SignatureState: +-X-KMail-MDN-Sent: +- +---Boundary-00=_5LbTGmt62YoutxM +-Content-Type: text/plain; +- charset="iso-8859-15" +-Content-Transfer-Encoding: 7bit +-Content-Disposition: inline +- +-David, Andrea, +- +-On Friday 18 May 2007 08:34, you wrote: +-> Yea team. With this fix in place (I put it in the wrong place +-> at first) I can now mount and ls the Yaffs partition without +-> an error messages! +- +-Good news! +- +-Attached is a newer yaffs_mtdif1.c with a bandaid to help the +-2.6.18 and 2.6.19 versions of MTD not trip on the oob read. +-See the LINUX_VERSION_CODE conditional in +-nandmtd1_ReadChunkWithTagsFromNAND. +- +--imcd +- +---Boundary-00=_5LbTGmt62YoutxM +-Content-Type: text/x-csrc; +- charset="iso-8859-15"; +- name="yaffs_mtdif1.c" +-Content-Transfer-Encoding: 7bit +-Content-Disposition: attachment; +- filename="yaffs_mtdif1.c" +- +-/* +- * YAFFS: Yet another FFS. A NAND-flash specific file system. +- * yaffs_mtdif1.c NAND mtd interface functions for small-page NAND. +- * +- * Copyright (C) 2002 Aleph One Ltd. +- * for Toby Churchill Ltd and Brightstar Engineering +- * +- * This program is free software; you can redistribute it and/or modify +- * it under the terms of the GNU General Public License version 2 as +- * published by the Free Software Foundation. +- */ +- +-/* +- * This module provides the interface between yaffs_nand.c and the +- * MTD API. This version is used when the MTD interface supports the +- * 'mtd_oob_ops' style calls to read_oob and write_oob, circa 2.6.17, +- * and we have small-page NAND device. +- * +- * These functions are invoked via function pointers in yaffs_nand.c. +- * This replaces functionality provided by functions in yaffs_mtdif.c +- * and the yaffs_TagsCompatability functions in yaffs_tagscompat.c that are +- * called in yaffs_mtdif.c when the function pointers are NULL. +- * We assume the MTD layer is performing ECC (useNANDECC is true). +- */ +- +-#include "yportenv.h" +-#include "yaffs_guts.h" +-#include "yaffs_packedtags1.h" +-#include "yaffs_tagscompat.h" // for yaffs_CalcTagsECC +- +-#include "linux/kernel.h" +-#include "linux/version.h" +-#include "linux/types.h" +-#include "linux/mtd/mtd.h" +- +-/* Don't compile this module if we don't have MTD's mtd_oob_ops interface */ +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) +- +-const char *yaffs_mtdif1_c_version = "$Id$"; +- +-#ifndef CONFIG_YAFFS_9BYTE_TAGS +-# define YTAG1_SIZE 8 +-#else +-# define YTAG1_SIZE 9 +-#endif +- +-#if 0 +-/* Use the following nand_ecclayout with MTD when using +- * CONFIG_YAFFS_9BYTE_TAGS and the older on-NAND tags layout. +- * If you have existing Yaffs images and the byte order differs from this, +- * adjust 'oobfree' to match your existing Yaffs data. +- * +- * This nand_ecclayout scatters/gathers to/from the old-yaffs layout with the +- * pageStatus byte (at NAND spare offset 4) scattered/gathered from/to +- * the 9th byte. +- * +- * Old-style on-NAND format: T0,T1,T2,T3,P,B,T4,T5,E0,E1,E2,T6,T7,E3,E4,E5 +- * We have/need PackedTags1 plus pageStatus: T0,T1,T2,T3,T4,T5,T6,T7,P +- * where Tn are the tag bytes, En are MTD's ECC bytes, P is the pageStatus +- * byte and B is the small-page bad-block indicator byte. +- */ +-static struct nand_ecclayout nand_oob_16 = { +- .eccbytes = 6, +- .eccpos = { 8, 9, 10, 13, 14, 15 }, +- .oobavail = 9, +- .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } } +-}; +-#endif +- +-/* Write a chunk (page) of data to NAND. +- * +- * Caller always provides ExtendedTags data which are converted to a more +- * compact (packed) form for storage in NAND. A mini-ECC runs over the +- * contents of the tags meta-data; used to valid the tags when read. +- * +- * - Pack ExtendedTags to PackedTags1 form +- * - Compute mini-ECC for PackedTags1 +- * - Write data and packed tags to NAND. +- * +- * Note: Due to the use of the PackedTags1 meta-data which does not include +- * a full sequence number (as found in the larger PackedTags2 form) it is +- * necessary for Yaffs to re-write a chunk/page (just once) to mark it as +- * discarded and dirty. This is not ideal: newer NAND parts are supposed +- * to be written just once. When Yaffs performs this operation, this +- * function is called with a NULL data pointer -- calling MTD write_oob +- * without data is valid usage (2.6.17). +- * +- * Any underlying MTD error results in YAFFS_FAIL. +- * Returns YAFFS_OK or YAFFS_FAIL. +- */ +-int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device *dev, +- int chunkInNAND, const __u8 * data, const yaffs_ExtendedTags * etags) +-{ +- struct mtd_info * mtd = dev->genericDevice; +- int chunkBytes = dev->nDataBytesPerChunk; +- loff_t addr = ((loff_t)chunkInNAND) * chunkBytes; +- struct mtd_oob_ops ops; +- yaffs_PackedTags1 pt1; +- int retval; +- +- /* we assume that PackedTags1 and yaffs_Tags are compatible */ +- compile_time_assertion(sizeof(yaffs_PackedTags1) == 12); +- compile_time_assertion(sizeof(yaffs_Tags) == 8); +- +- yaffs_PackTags1(&pt1, etags); +- yaffs_CalcTagsECC((yaffs_Tags *)&pt1); +- +- /* When deleting a chunk, the upper layer provides only skeletal +- * etags, one with chunkDeleted set. However, we need to update the +- * tags, not erase them completely. So we use the NAND write property +- * that only zeroed-bits stick and set tag bytes to all-ones and +- * zero just the (not) deleted bit. +- */ +-#ifndef CONFIG_YAFFS_9BYTE_TAGS +- if (etags->chunkDeleted) { +- memset(&pt1, 0xff, 8); +- /* clear delete status bit to indicate deleted */ +- pt1.deleted = 0; +- } +-#else +- ((__u8 *)&pt1)[8] = 0xff; +- if (etags->chunkDeleted) { +- memset(&pt1, 0xff, 8); +- /* zero pageStatus byte to indicate deleted */ +- ((__u8 *)&pt1)[8] = 0; +- } +-#endif +- +- memset(&ops, 0, sizeof(ops)); +- ops.mode = MTD_OOB_AUTO; +- ops.len = (data) ? chunkBytes : 0; +- ops.ooblen = YTAG1_SIZE; +- ops.datbuf = (__u8 *)data; +- ops.oobbuf = (__u8 *)&pt1; +- +- retval = mtd->write_oob(mtd, addr, &ops); +- if (retval) { +- yaffs_trace(YAFFS_TRACE_MTD, +- "write_oob failed, chunk %d, mtd error %d\n", +- chunkInNAND, retval); +- } +- return retval ? YAFFS_FAIL : YAFFS_OK; +-} +- +-/* Return with empty ExtendedTags but add eccResult. +- */ +-static int rettags(yaffs_ExtendedTags * etags, int eccResult, int retval) +-{ +- if (etags) { +- memset(etags, 0, sizeof(*etags)); +- etags->eccResult = eccResult; +- } +- return retval; +-} +- +-/* Read a chunk (page) from NAND. +- * +- * Caller expects ExtendedTags data to be usable even on error; that is, +- * all members except eccResult and blockBad are zeroed. +- * +- * - Check ECC results for data (if applicable) +- * - Check for blank/erased block (return empty ExtendedTags if blank) +- * - Check the PackedTags1 mini-ECC (correct if necessary/possible) +- * - Convert PackedTags1 to ExtendedTags +- * - Update eccResult and blockBad members to refect state. +- * +- * Returns YAFFS_OK or YAFFS_FAIL. +- */ +-int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device *dev, +- int chunkInNAND, __u8 * data, yaffs_ExtendedTags * etags) +-{ +- struct mtd_info * mtd = dev->genericDevice; +- int chunkBytes = dev->nDataBytesPerChunk; +- loff_t addr = ((loff_t)chunkInNAND) * chunkBytes; +- int eccres = YAFFS_ECC_RESULT_NO_ERROR; +- struct mtd_oob_ops ops; +- yaffs_PackedTags1 pt1; +- int retval; +- int deleted; +- +- memset(&ops, 0, sizeof(ops)); +- ops.mode = MTD_OOB_AUTO; +- ops.len = (data) ? chunkBytes : 0; +- ops.ooblen = YTAG1_SIZE; +- ops.datbuf = data; +- ops.oobbuf = (__u8 *)&pt1; +- +-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)) +- /* In MTD 2.6.18 to 2.6.19 nand_base.c:nand_do_read_oob() has a bug; +- * help it out with ops.len = ops.ooblen when ops.datbuf == NULL. +- */ +- ops.len = (ops.datbuf) ? ops.len : ops.ooblen; +-#endif +- /* Read page and oob using MTD. +- * Check status and determine ECC result. +- */ +- retval = mtd->read_oob(mtd, addr, &ops); +- if (retval) { +- yaffs_trace(YAFFS_TRACE_MTD, +- "read_oob failed, chunk %d, mtd error %d\n", +- chunkInNAND, retval); +- } +- +- switch (retval) { +- case 0: +- /* no error */ +- break; +- +- case -EUCLEAN: +- /* MTD's ECC fixed the data */ +- eccres = YAFFS_ECC_RESULT_FIXED; +- dev->eccFixed++; +- break; +- +- case -EBADMSG: +- /* MTD's ECC could not fix the data */ +- dev->eccUnfixed++; +- /* fall into... */ +- default: +- rettags(etags, YAFFS_ECC_RESULT_UNFIXED, 0); +- etags->blockBad = (mtd->block_isbad)(mtd, addr); +- return YAFFS_FAIL; +- } +- +- /* Check for a blank/erased chunk. +- */ +- if (yaffs_CheckFF((__u8 *)&pt1, 8)) { +- /* when blank, upper layers want eccResult to be <= NO_ERROR */ +- return rettags(etags, YAFFS_ECC_RESULT_NO_ERROR, YAFFS_OK); +- } +- +-#ifndef CONFIG_YAFFS_9BYTE_TAGS +- /* Read deleted status (bit) then return it to it's non-deleted +- * state before performing tags mini-ECC check. pt1.deleted is +- * inverted. +- */ +- deleted = !pt1.deleted; +- pt1.deleted = 1; +-#else +- (void) deleted; /* not used */ +-#endif +- +- /* Check the packed tags mini-ECC and correct if necessary/possible. +- */ +- retval = yaffs_CheckECCOnTags((yaffs_Tags *)&pt1); +- switch (retval) { +- case 0: +- /* no tags error, use MTD result */ +- break; +- case 1: +- /* recovered tags-ECC error */ +- dev->tagsEccFixed++; +- eccres = YAFFS_ECC_RESULT_FIXED; +- break; +- default: +- /* unrecovered tags-ECC error */ +- dev->tagsEccUnfixed++; +- return rettags(etags, YAFFS_ECC_RESULT_UNFIXED, YAFFS_FAIL); +- } +- +- /* Unpack the tags to extended form and set ECC result. +- * [set shouldBeFF just to keep yaffs_UnpackTags1 happy] +- */ +- pt1.shouldBeFF = 0xFFFFFFFF; +- yaffs_UnpackTags1(etags, &pt1); +- etags->eccResult = eccres; +- +- /* Set deleted state. +- */ +-#ifndef CONFIG_YAFFS_9BYTE_TAGS +- etags->chunkDeleted = deleted; +-#else +- etags->chunkDeleted = (yaffs_CountBits(((__u8 *)&pt1)[8]) < 7); +-#endif +- return YAFFS_OK; +-} +- +-/* Mark a block bad. +- * +- * This is a persistant state. +- * Use of this function should be rare. +- * +- * Returns YAFFS_OK or YAFFS_FAIL. +- */ +-int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo) +-{ +- struct mtd_info * mtd = dev->genericDevice; +- int blocksize = dev->nChunksPerBlock * dev->nDataBytesPerChunk; +- int retval; +- +- yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, "marking block %d bad", blockNo); +- +- retval = mtd->block_markbad(mtd, (loff_t)blocksize * blockNo); +- return (retval) ? YAFFS_FAIL : YAFFS_OK; +-} +- +-/* Check any MTD prerequists. +- * +- * Returns YAFFS_OK or YAFFS_FAIL. +- */ +-static int nandmtd1_TestPrerequists(struct mtd_info * mtd) +-{ +- /* 2.6.18 has mtd->ecclayout->oobavail */ +- /* 2.6.21 has mtd->ecclayout->oobavail and mtd->oobavail */ +- int oobavail = mtd->ecclayout->oobavail; +- +- if (oobavail < YTAG1_SIZE) { +- yaffs_trace(YAFFS_TRACE_ERROR, +- "mtd device has only %d bytes for tags, need %d", +- oobavail, YTAG1_SIZE); +- return YAFFS_FAIL; +- } +- return YAFFS_OK; +-} +- +-/* Query for the current state of a specific block. +- * +- * Examine the tags of the first chunk of the block and return the state: +- * - YAFFS_BLOCK_STATE_DEAD, the block is marked bad +- * - YAFFS_BLOCK_STATE_NEEDS_SCANNING, the block is in use +- * - YAFFS_BLOCK_STATE_EMPTY, the block is clean +- * +- * Always returns YAFFS_OK. +- */ +-int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, +- yaffs_BlockState * pState, int *pSequenceNumber) +-{ +- struct mtd_info * mtd = dev->genericDevice; +- int chunkNo = blockNo * dev->nChunksPerBlock; +- yaffs_ExtendedTags etags; +- int state = YAFFS_BLOCK_STATE_DEAD; +- int seqnum = 0; +- int retval; +- +- /* We don't yet have a good place to test for MTD config prerequists. +- * Do it here as we are called during the initial scan. +- */ +- if (nandmtd1_TestPrerequists(mtd) != YAFFS_OK) { +- return YAFFS_FAIL; +- } +- +- retval = nandmtd1_ReadChunkWithTagsFromNAND(dev, chunkNo, NULL, &etags); +- if (etags.blockBad) { +- yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, +- "block %d is marked bad", blockNo); +- state = YAFFS_BLOCK_STATE_DEAD; +- } +- else if (etags.chunkUsed) { +- state = YAFFS_BLOCK_STATE_NEEDS_SCANNING; +- seqnum = etags.sequenceNumber; +- } +- else { +- state = YAFFS_BLOCK_STATE_EMPTY; +- } +- +- *pState = state; +- *pSequenceNumber = seqnum; +- +- /* query always succeeds */ +- return YAFFS_OK; +-} +- +-#endif /*KERNEL_VERSION*/ +- +---Boundary-00=_5LbTGmt62YoutxM-- +- +- +- +--- a/fs/yaffs2/yaffs_mtdif1.h ++++ b/fs/yaffs2/yaffs_mtdif1.h +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet another Flash File System. A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * This program is free software; you can redistribute it and/or modify +@@ -14,15 +14,15 @@ + #ifndef __YAFFS_MTDIF1_H__ + #define __YAFFS_MTDIF1_H__ + +-int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND, +- const __u8 *data, const yaffs_ExtendedTags *tags); ++int nandmtd1_WriteChunkWithTagsToNAND(yaffs_dev_t *dev, int nand_chunk, ++ const __u8 *data, const yaffs_ext_tags *tags); + +-int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, +- __u8 *data, yaffs_ExtendedTags *tags); ++int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_dev_t *dev, int nand_chunk, ++ __u8 *data, yaffs_ext_tags *tags); + +-int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo); ++int nandmtd1_MarkNANDBlockBad(struct yaffs_dev_s *dev, int block_no); + +-int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, +- yaffs_BlockState *state, __u32 *sequenceNumber); ++int nandmtd1_QueryNANDBlock(struct yaffs_dev_s *dev, int block_no, ++ yaffs_block_state_t *state, __u32 *seq_number); + + #endif +--- a/fs/yaffs2/yaffs_mtdif2.c ++++ b/fs/yaffs2/yaffs_mtdif2.c +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -13,11 +13,8 @@ + + /* mtd interface for YAFFS2 */ + +-const char *yaffs_mtdif2_c_version = +- "$Id: yaffs_mtdif2.c,v 1.23 2009-03-06 17:20:53 wookey Exp $"; +- + #include "yportenv.h" +- ++#include "yaffs_trace.h" + + #include "yaffs_mtdif2.h" + +@@ -27,15 +24,17 @@ const char *yaffs_mtdif2_c_version = + + #include "yaffs_packedtags2.h" + ++#include "yaffs_linux.h" ++ + /* NB For use with inband tags.... + * We assume that the data buffer is of size totalBytersPerChunk so that we can also + * use it to load the tags. + */ +-int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND, ++int nandmtd2_WriteChunkWithTagsToNAND(yaffs_dev_t *dev, int nand_chunk, + const __u8 *data, +- const yaffs_ExtendedTags *tags) ++ const yaffs_ext_tags *tags) + { +- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); ++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); + #if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) + struct mtd_oob_ops ops; + #else +@@ -47,13 +46,16 @@ int nandmtd2_WriteChunkWithTagsToNAND(ya + + yaffs_PackedTags2 pt; + ++ int packed_tags_size = dev->param.no_tags_ecc ? sizeof(pt.t) : sizeof(pt); ++ void * packed_tags_ptr = dev->param.no_tags_ecc ? (void *) &pt.t : (void *)&pt; ++ + T(YAFFS_TRACE_MTD, + (TSTR + ("nandmtd2_WriteChunkWithTagsToNAND chunk %d data %p tags %p" +- TENDSTR), chunkInNAND, data, tags)); ++ TENDSTR), nand_chunk, data, tags)); + + +- addr = ((loff_t) chunkInNAND) * dev->totalBytesPerChunk; ++ addr = ((loff_t) nand_chunk) * dev->param.total_bytes_per_chunk; + + /* For yaffs2 writing there must be both data and tags. + * If we're using inband tags, then the tags are stuffed into +@@ -61,30 +63,30 @@ int nandmtd2_WriteChunkWithTagsToNAND(ya + */ + if (!data || !tags) + BUG(); +- else if (dev->inbandTags) { ++ else if (dev->param.inband_tags) { + yaffs_PackedTags2TagsPart *pt2tp; +- pt2tp = (yaffs_PackedTags2TagsPart *)(data + dev->nDataBytesPerChunk); ++ pt2tp = (yaffs_PackedTags2TagsPart *)(data + dev->data_bytes_per_chunk); + yaffs_PackTags2TagsPart(pt2tp, tags); + } else +- yaffs_PackTags2(&pt, tags); ++ yaffs_PackTags2(&pt, tags, !dev->param.no_tags_ecc); + + #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) + ops.mode = MTD_OOB_AUTO; +- ops.ooblen = (dev->inbandTags) ? 0 : sizeof(pt); +- ops.len = dev->totalBytesPerChunk; ++ ops.ooblen = (dev->param.inband_tags) ? 0 : packed_tags_size; ++ ops.len = dev->param.total_bytes_per_chunk; + ops.ooboffs = 0; + ops.datbuf = (__u8 *)data; +- ops.oobbuf = (dev->inbandTags) ? NULL : (void *)&pt; ++ ops.oobbuf = (dev->param.inband_tags) ? NULL : packed_tags_ptr; + retval = mtd->write_oob(mtd, addr, &ops); + + #else +- if (!dev->inbandTags) { ++ if (!dev->param.inband_tags) { + retval = +- mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk, +- &dummy, data, (__u8 *) &pt, NULL); ++ mtd->write_ecc(mtd, addr, dev->data_bytes_per_chunk, ++ &dummy, data, (__u8 *) packed_tags_ptr, NULL); + } else { + retval = +- mtd->write(mtd, addr, dev->totalBytesPerChunk, &dummy, ++ mtd->write(mtd, addr, dev->param.total_bytes_per_chunk, &dummy, + data); + } + #endif +@@ -95,10 +97,10 @@ int nandmtd2_WriteChunkWithTagsToNAND(ya + return YAFFS_FAIL; + } + +-int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, +- __u8 *data, yaffs_ExtendedTags *tags) ++int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_dev_t *dev, int nand_chunk, ++ __u8 *data, yaffs_ext_tags *tags) + { +- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); ++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); + #if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) + struct mtd_oob_ops ops; + #endif +@@ -106,20 +108,23 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y + int retval = 0; + int localData = 0; + +- loff_t addr = ((loff_t) chunkInNAND) * dev->totalBytesPerChunk; ++ loff_t addr = ((loff_t) nand_chunk) * dev->param.total_bytes_per_chunk; + + yaffs_PackedTags2 pt; + ++ int packed_tags_size = dev->param.no_tags_ecc ? sizeof(pt.t) : sizeof(pt); ++ void * packed_tags_ptr = dev->param.no_tags_ecc ? (void *) &pt.t: (void *)&pt; ++ + T(YAFFS_TRACE_MTD, + (TSTR + ("nandmtd2_ReadChunkWithTagsFromNAND chunk %d data %p tags %p" +- TENDSTR), chunkInNAND, data, tags)); ++ TENDSTR), nand_chunk, data, tags)); + +- if (dev->inbandTags) { ++ if (dev->param.inband_tags) { + + if (!data) { + localData = 1; +- data = yaffs_GetTempBuffer(dev, __LINE__); ++ data = yaffs_get_temp_buffer(dev, __LINE__); + } + + +@@ -127,30 +132,30 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y + + + #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) +- if (dev->inbandTags || (data && !tags)) +- retval = mtd->read(mtd, addr, dev->totalBytesPerChunk, ++ if (dev->param.inband_tags || (data && !tags)) ++ retval = mtd->read(mtd, addr, dev->param.total_bytes_per_chunk, + &dummy, data); + else if (tags) { + ops.mode = MTD_OOB_AUTO; +- ops.ooblen = sizeof(pt); +- ops.len = data ? dev->nDataBytesPerChunk : sizeof(pt); ++ ops.ooblen = packed_tags_size; ++ ops.len = data ? dev->data_bytes_per_chunk : packed_tags_size; + ops.ooboffs = 0; + ops.datbuf = data; +- ops.oobbuf = dev->spareBuffer; ++ ops.oobbuf = yaffs_dev_to_lc(dev)->spareBuffer; + retval = mtd->read_oob(mtd, addr, &ops); + } + #else +- if (!dev->inbandTags && data && tags) { ++ if (!dev->param.inband_tags && data && tags) { + +- retval = mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk, ++ retval = mtd->read_ecc(mtd, addr, dev->data_bytes_per_chunk, + &dummy, data, dev->spareBuffer, + NULL); + } else { + if (data) + retval = +- mtd->read(mtd, addr, dev->nDataBytesPerChunk, &dummy, ++ mtd->read(mtd, addr, dev->data_bytes_per_chunk, &dummy, + data); +- if (!dev->inbandTags && tags) ++ if (!dev->param.inband_tags && tags) + retval = + mtd->read_oob(mtd, addr, mtd->oobsize, &dummy, + dev->spareBuffer); +@@ -158,41 +163,47 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y + #endif + + +- if (dev->inbandTags) { ++ if (dev->param.inband_tags) { + if (tags) { + yaffs_PackedTags2TagsPart *pt2tp; +- pt2tp = (yaffs_PackedTags2TagsPart *)&data[dev->nDataBytesPerChunk]; +- yaffs_UnpackTags2TagsPart(tags, pt2tp); ++ pt2tp = (yaffs_PackedTags2TagsPart *)&data[dev->data_bytes_per_chunk]; ++ yaffs_unpack_tags2tags_part(tags, pt2tp); + } + } else { + if (tags) { +- memcpy(&pt, dev->spareBuffer, sizeof(pt)); +- yaffs_UnpackTags2(tags, &pt); ++ memcpy(packed_tags_ptr, yaffs_dev_to_lc(dev)->spareBuffer, packed_tags_size); ++ yaffs_unpack_tags2(tags, &pt, !dev->param.no_tags_ecc); + } + } + + if (localData) +- yaffs_ReleaseTempBuffer(dev, data, __LINE__); ++ yaffs_release_temp_buffer(dev, data, __LINE__); + +- if (tags && retval == -EBADMSG && tags->eccResult == YAFFS_ECC_RESULT_NO_ERROR) +- tags->eccResult = YAFFS_ECC_RESULT_UNFIXED; ++ if (tags && retval == -EBADMSG && tags->ecc_result == YAFFS_ECC_RESULT_NO_ERROR) { ++ tags->ecc_result = YAFFS_ECC_RESULT_UNFIXED; ++ dev->n_ecc_unfixed++; ++ } ++ if(tags && retval == -EUCLEAN && tags->ecc_result == YAFFS_ECC_RESULT_NO_ERROR) { ++ tags->ecc_result = YAFFS_ECC_RESULT_FIXED; ++ dev->n_ecc_fixed++; ++ } + if (retval == 0) + return YAFFS_OK; + else + return YAFFS_FAIL; + } + +-int nandmtd2_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo) ++int nandmtd2_MarkNANDBlockBad(struct yaffs_dev_s *dev, int block_no) + { +- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); ++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); + int retval; + T(YAFFS_TRACE_MTD, +- (TSTR("nandmtd2_MarkNANDBlockBad %d" TENDSTR), blockNo)); ++ (TSTR("nandmtd2_MarkNANDBlockBad %d" TENDSTR), block_no)); + + retval = + mtd->block_markbad(mtd, +- blockNo * dev->nChunksPerBlock * +- dev->totalBytesPerChunk); ++ block_no * dev->param.chunks_per_block * ++ dev->param.total_bytes_per_chunk); + + if (retval == 0) + return YAFFS_OK; +@@ -201,41 +212,41 @@ int nandmtd2_MarkNANDBlockBad(struct yaf + + } + +-int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, +- yaffs_BlockState *state, __u32 *sequenceNumber) ++int nandmtd2_QueryNANDBlock(struct yaffs_dev_s *dev, int block_no, ++ yaffs_block_state_t *state, __u32 *seq_number) + { +- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); ++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); + int retval; + + T(YAFFS_TRACE_MTD, +- (TSTR("nandmtd2_QueryNANDBlock %d" TENDSTR), blockNo)); ++ (TSTR("nandmtd2_QueryNANDBlock %d" TENDSTR), block_no)); + retval = + mtd->block_isbad(mtd, +- blockNo * dev->nChunksPerBlock * +- dev->totalBytesPerChunk); ++ block_no * dev->param.chunks_per_block * ++ dev->param.total_bytes_per_chunk); + + if (retval) { + T(YAFFS_TRACE_MTD, (TSTR("block is bad" TENDSTR))); + + *state = YAFFS_BLOCK_STATE_DEAD; +- *sequenceNumber = 0; ++ *seq_number = 0; + } else { +- yaffs_ExtendedTags t; ++ yaffs_ext_tags t; + nandmtd2_ReadChunkWithTagsFromNAND(dev, +- blockNo * +- dev->nChunksPerBlock, NULL, ++ block_no * ++ dev->param.chunks_per_block, NULL, + &t); + +- if (t.chunkUsed) { +- *sequenceNumber = t.sequenceNumber; ++ if (t.chunk_used) { ++ *seq_number = t.seq_number; + *state = YAFFS_BLOCK_STATE_NEEDS_SCANNING; + } else { +- *sequenceNumber = 0; ++ *seq_number = 0; + *state = YAFFS_BLOCK_STATE_EMPTY; + } + } + T(YAFFS_TRACE_MTD, +- (TSTR("block is bad seq %d state %d" TENDSTR), *sequenceNumber, ++ (TSTR("block is bad seq %d state %d" TENDSTR), *seq_number, + *state)); + + if (retval == 0) +--- a/fs/yaffs2/yaffs_mtdif2.h ++++ b/fs/yaffs2/yaffs_mtdif2.h +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -17,13 +17,13 @@ + #define __YAFFS_MTDIF2_H__ + + #include "yaffs_guts.h" +-int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND, ++int nandmtd2_WriteChunkWithTagsToNAND(yaffs_dev_t *dev, int nand_chunk, + const __u8 *data, +- const yaffs_ExtendedTags *tags); +-int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, +- __u8 *data, yaffs_ExtendedTags *tags); +-int nandmtd2_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo); +-int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, +- yaffs_BlockState *state, __u32 *sequenceNumber); ++ const yaffs_ext_tags *tags); ++int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_dev_t *dev, int nand_chunk, ++ __u8 *data, yaffs_ext_tags *tags); ++int nandmtd2_MarkNANDBlockBad(struct yaffs_dev_s *dev, int block_no); ++int nandmtd2_QueryNANDBlock(struct yaffs_dev_s *dev, int block_no, ++ yaffs_block_state_t *state, __u32 *seq_number); + + #endif +--- a/fs/yaffs2/yaffs_mtdif.c ++++ b/fs/yaffs2/yaffs_mtdif.c +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -11,9 +11,6 @@ + * published by the Free Software Foundation. + */ + +-const char *yaffs_mtdif_c_version = +- "$Id: yaffs_mtdif.c,v 1.22 2009-03-06 17:20:51 wookey Exp $"; +- + #include "yportenv.h" + + +@@ -24,208 +21,26 @@ const char *yaffs_mtdif_c_version = + #include "linux/time.h" + #include "linux/mtd/nand.h" + +-#if (MTD_VERSION_CODE < MTD_VERSION(2, 6, 18)) +-static struct nand_oobinfo yaffs_oobinfo = { +- .useecc = 1, +- .eccbytes = 6, +- .eccpos = {8, 9, 10, 13, 14, 15} +-}; +- +-static struct nand_oobinfo yaffs_noeccinfo = { +- .useecc = 0, +-}; +-#endif +- +-#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) +-static inline void translate_spare2oob(const yaffs_Spare *spare, __u8 *oob) +-{ +- oob[0] = spare->tagByte0; +- oob[1] = spare->tagByte1; +- oob[2] = spare->tagByte2; +- oob[3] = spare->tagByte3; +- oob[4] = spare->tagByte4; +- oob[5] = spare->tagByte5 & 0x3f; +- oob[5] |= spare->blockStatus == 'Y' ? 0 : 0x80; +- oob[5] |= spare->pageStatus == 0 ? 0 : 0x40; +- oob[6] = spare->tagByte6; +- oob[7] = spare->tagByte7; +-} +- +-static inline void translate_oob2spare(yaffs_Spare *spare, __u8 *oob) +-{ +- struct yaffs_NANDSpare *nspare = (struct yaffs_NANDSpare *)spare; +- spare->tagByte0 = oob[0]; +- spare->tagByte1 = oob[1]; +- spare->tagByte2 = oob[2]; +- spare->tagByte3 = oob[3]; +- spare->tagByte4 = oob[4]; +- spare->tagByte5 = oob[5] == 0xff ? 0xff : oob[5] & 0x3f; +- spare->blockStatus = oob[5] & 0x80 ? 0xff : 'Y'; +- spare->pageStatus = oob[5] & 0x40 ? 0xff : 0; +- spare->ecc1[0] = spare->ecc1[1] = spare->ecc1[2] = 0xff; +- spare->tagByte6 = oob[6]; +- spare->tagByte7 = oob[7]; +- spare->ecc2[0] = spare->ecc2[1] = spare->ecc2[2] = 0xff; +- +- nspare->eccres1 = nspare->eccres2 = 0; /* FIXME */ +-} +-#endif +- +-int nandmtd_WriteChunkToNAND(yaffs_Device *dev, int chunkInNAND, +- const __u8 *data, const yaffs_Spare *spare) +-{ +- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); +-#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) +- struct mtd_oob_ops ops; +-#endif +- size_t dummy; +- int retval = 0; +- +- loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk; +-#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) +- __u8 spareAsBytes[8]; /* OOB */ +- +- if (data && !spare) +- retval = mtd->write(mtd, addr, dev->nDataBytesPerChunk, +- &dummy, data); +- else if (spare) { +- if (dev->useNANDECC) { +- translate_spare2oob(spare, spareAsBytes); +- ops.mode = MTD_OOB_AUTO; +- ops.ooblen = 8; /* temp hack */ +- } else { +- ops.mode = MTD_OOB_RAW; +- ops.ooblen = YAFFS_BYTES_PER_SPARE; +- } +- ops.len = data ? dev->nDataBytesPerChunk : ops.ooblen; +- ops.datbuf = (u8 *)data; +- ops.ooboffs = 0; +- ops.oobbuf = spareAsBytes; +- retval = mtd->write_oob(mtd, addr, &ops); +- } +-#else +- __u8 *spareAsBytes = (__u8 *) spare; +- +- if (data && spare) { +- if (dev->useNANDECC) +- retval = +- mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk, +- &dummy, data, spareAsBytes, +- &yaffs_oobinfo); +- else +- retval = +- mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk, +- &dummy, data, spareAsBytes, +- &yaffs_noeccinfo); +- } else { +- if (data) +- retval = +- mtd->write(mtd, addr, dev->nDataBytesPerChunk, &dummy, +- data); +- if (spare) +- retval = +- mtd->write_oob(mtd, addr, YAFFS_BYTES_PER_SPARE, +- &dummy, spareAsBytes); +- } +-#endif +- +- if (retval == 0) +- return YAFFS_OK; +- else +- return YAFFS_FAIL; +-} +- +-int nandmtd_ReadChunkFromNAND(yaffs_Device *dev, int chunkInNAND, __u8 *data, +- yaffs_Spare *spare) +-{ +- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); +-#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) +- struct mtd_oob_ops ops; +-#endif +- size_t dummy; +- int retval = 0; ++#include "yaffs_linux.h" + +- loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk; +-#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) +- __u8 spareAsBytes[8]; /* OOB */ +- +- if (data && !spare) +- retval = mtd->read(mtd, addr, dev->nDataBytesPerChunk, +- &dummy, data); +- else if (spare) { +- if (dev->useNANDECC) { +- ops.mode = MTD_OOB_AUTO; +- ops.ooblen = 8; /* temp hack */ +- } else { +- ops.mode = MTD_OOB_RAW; +- ops.ooblen = YAFFS_BYTES_PER_SPARE; +- } +- ops.len = data ? dev->nDataBytesPerChunk : ops.ooblen; +- ops.datbuf = data; +- ops.ooboffs = 0; +- ops.oobbuf = spareAsBytes; +- retval = mtd->read_oob(mtd, addr, &ops); +- if (dev->useNANDECC) +- translate_oob2spare(spare, spareAsBytes); +- } +-#else +- __u8 *spareAsBytes = (__u8 *) spare; +- +- if (data && spare) { +- if (dev->useNANDECC) { +- /* Careful, this call adds 2 ints */ +- /* to the end of the spare data. Calling function */ +- /* should allocate enough memory for spare, */ +- /* i.e. [YAFFS_BYTES_PER_SPARE+2*sizeof(int)]. */ +- retval = +- mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk, +- &dummy, data, spareAsBytes, +- &yaffs_oobinfo); +- } else { +- retval = +- mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk, +- &dummy, data, spareAsBytes, +- &yaffs_noeccinfo); +- } +- } else { +- if (data) +- retval = +- mtd->read(mtd, addr, dev->nDataBytesPerChunk, &dummy, +- data); +- if (spare) +- retval = +- mtd->read_oob(mtd, addr, YAFFS_BYTES_PER_SPARE, +- &dummy, spareAsBytes); +- } +-#endif +- +- if (retval == 0) +- return YAFFS_OK; +- else +- return YAFFS_FAIL; +-} +- +-int nandmtd_EraseBlockInNAND(yaffs_Device *dev, int blockNumber) ++int nandmtd_EraseBlockInNAND(yaffs_dev_t *dev, int blockNumber) + { +- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); ++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); + __u32 addr = +- ((loff_t) blockNumber) * dev->nDataBytesPerChunk +- * dev->nChunksPerBlock; ++ ((loff_t) blockNumber) * dev->param.total_bytes_per_chunk ++ * dev->param.chunks_per_block; + struct erase_info ei; ++ + int retval = 0; + + ei.mtd = mtd; + ei.addr = addr; +- ei.len = dev->nDataBytesPerChunk * dev->nChunksPerBlock; ++ ei.len = dev->param.total_bytes_per_chunk * dev->param.chunks_per_block; + ei.time = 1000; + ei.retries = 2; + ei.callback = NULL; + ei.priv = (u_long) dev; + +- /* Todo finish off the ei if required */ +- +- sema_init(&dev->sem, 0); +- + retval = mtd->erase(mtd, &ei); + + if (retval == 0) +@@ -234,7 +49,7 @@ int nandmtd_EraseBlockInNAND(yaffs_Devic + return YAFFS_FAIL; + } + +-int nandmtd_InitialiseNAND(yaffs_Device *dev) ++int nandmtd_InitialiseNAND(yaffs_dev_t *dev) + { + return YAFFS_OK; + } +--- a/fs/yaffs2/yaffs_mtdif.h ++++ b/fs/yaffs2/yaffs_mtdif.h +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -22,11 +22,6 @@ + extern struct nand_oobinfo yaffs_oobinfo; + extern struct nand_oobinfo yaffs_noeccinfo; + #endif +- +-int nandmtd_WriteChunkToNAND(yaffs_Device *dev, int chunkInNAND, +- const __u8 *data, const yaffs_Spare *spare); +-int nandmtd_ReadChunkFromNAND(yaffs_Device *dev, int chunkInNAND, __u8 *data, +- yaffs_Spare *spare); +-int nandmtd_EraseBlockInNAND(yaffs_Device *dev, int blockNumber); +-int nandmtd_InitialiseNAND(yaffs_Device *dev); ++int nandmtd_EraseBlockInNAND(yaffs_dev_t *dev, int blockNumber); ++int nandmtd_InitialiseNAND(yaffs_dev_t *dev); + #endif +--- /dev/null ++++ b/fs/yaffs2/yaffs_nameval.c +@@ -0,0 +1,197 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2010 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning <charles@aleph1.co.uk> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++/* ++ * This simple implementation of a name-value store assumes a small number of values and fits ++ * into a small finite buffer. ++ * ++ * Each attribute is stored as a record: ++ * sizeof(int) bytes record size. ++ * strnlen+1 bytes name null terminated. ++ * nbytes value. ++ * ---------- ++ * total size stored in record size ++ * ++ * This code has not been tested with unicode yet. ++ */ ++ ++ ++#include "yaffs_nameval.h" ++ ++#include "yportenv.h" ++ ++static int nval_find(const char *xb, int xb_size, const YCHAR *name, ++ int *exist_size) ++{ ++ int pos=0; ++ int size; ++ ++ memcpy(&size,xb,sizeof(int)); ++ while(size > 0 && (size < xb_size) && (pos + size < xb_size)){ ++ if(yaffs_strncmp((YCHAR *)(xb+pos+sizeof(int)),name,size) == 0){ ++ if(exist_size) ++ *exist_size = size; ++ return pos; ++ } ++ pos += size; ++ if(pos < xb_size -sizeof(int)) ++ memcpy(&size,xb + pos,sizeof(int)); ++ else ++ size = 0; ++ } ++ if(exist_size) ++ *exist_size = 0; ++ return -1; ++} ++ ++static int nval_used(const char *xb, int xb_size) ++{ ++ int pos=0; ++ int size; ++ ++ memcpy(&size,xb + pos,sizeof(int)); ++ while(size > 0 && (size < xb_size) && (pos + size < xb_size)){ ++ pos += size; ++ if(pos < xb_size -sizeof(int)) ++ memcpy(&size,xb + pos,sizeof(int)); ++ else ++ size = 0; ++ } ++ return pos; ++} ++ ++int nval_del(char *xb, int xb_size, const YCHAR *name) ++{ ++ int pos = nval_find(xb, xb_size, name, NULL); ++ int size; ++ ++ if(pos >= 0 && pos < xb_size){ ++ /* Find size, shift rest over this record, then zero out the rest of buffer */ ++ memcpy(&size,xb+pos,sizeof(int)); ++ memcpy(xb + pos, xb + pos + size, xb_size - (pos + size)); ++ memset(xb + (xb_size - size),0,size); ++ return 0; ++ } else ++ return -ENODATA; ++} ++ ++int nval_set(char *xb, int xb_size, const YCHAR *name, const char *buf, int bsize, int flags) ++{ ++ int pos; ++ int namelen = yaffs_strnlen(name,xb_size); ++ int reclen; ++ int size_exist = 0; ++ int space; ++ int start; ++ ++ pos = nval_find(xb,xb_size,name, &size_exist); ++ ++ if(flags & XATTR_CREATE && pos >= 0) ++ return -EEXIST; ++ if(flags & XATTR_REPLACE && pos < 0) ++ return -ENODATA; ++ ++ start = nval_used(xb,xb_size); ++ space = xb_size - start + size_exist; ++ ++ reclen = (sizeof(int) + namelen + 1 + bsize); ++ ++ if(reclen > space) ++ return -ENOSPC; ++ ++ if(pos >= 0){ ++ nval_del(xb,xb_size,name); ++ start = nval_used(xb, xb_size); ++ } ++ ++ pos = start; ++ ++ memcpy(xb + pos,&reclen,sizeof(int)); ++ pos +=sizeof(int); ++ yaffs_strncpy((YCHAR *)(xb + pos), name, reclen); ++ pos+= (namelen+1); ++ memcpy(xb + pos,buf,bsize); ++ return 0; ++} ++ ++int nval_get(const char *xb, int xb_size, const YCHAR *name, char *buf, int bsize) ++{ ++ int pos = nval_find(xb,xb_size,name,NULL); ++ int size; ++ ++ if(pos >= 0 && pos< xb_size){ ++ ++ memcpy(&size,xb +pos,sizeof(int)); ++ pos+=sizeof(int); /* advance past record length */ ++ size -= sizeof(int); ++ ++ /* Advance over name string */ ++ while(xb[pos] && size > 0 && pos < xb_size){ ++ pos++; ++ size--; ++ } ++ /*Advance over NUL */ ++ pos++; ++ size--; ++ ++ if(size <= bsize){ ++ memcpy(buf,xb + pos,size); ++ return size; ++ } ++ ++ } ++ if(pos >= 0) ++ return -ERANGE; ++ else ++ return -ENODATA; ++} ++ ++int nval_list(const char *xb, int xb_size, char *buf, int bsize) ++{ ++ int pos = 0; ++ int size; ++ int name_len; ++ int ncopied = 0; ++ int filled = 0; ++ ++ memcpy(&size,xb + pos,sizeof(int)); ++ while(size > sizeof(int) && size <= xb_size && (pos + size) < xb_size && !filled){ ++ pos+= sizeof(int); ++ size-=sizeof(int); ++ name_len = yaffs_strnlen((YCHAR *)(xb + pos), size); ++ if(ncopied + name_len + 1 < bsize){ ++ memcpy(buf,xb+pos,name_len * sizeof(YCHAR)); ++ buf+= name_len; ++ *buf = '\0'; ++ buf++; ++ if(sizeof(YCHAR) > 1){ ++ *buf = '\0'; ++ buf++; ++ } ++ ncopied += (name_len+1); ++ } else ++ filled = 1; ++ pos+=size; ++ if(pos < xb_size -sizeof(int)) ++ memcpy(&size,xb + pos,sizeof(int)); ++ else ++ size = 0; ++ } ++ return ncopied; ++} ++ ++ ++int nval_hasvalues(const char *xb, int xb_size) ++{ ++ return nval_used(xb, xb_size) > 0; ++} +--- /dev/null ++++ b/fs/yaffs2/yaffs_nameval.h +@@ -0,0 +1,25 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2010 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning <charles@aleph1.co.uk> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++#ifndef __NAMEVAL_H__ ++#define __NAMEVAL_H__ ++ ++#include "yportenv.h" ++ ++int nval_del(char *xb, int xb_size, const YCHAR *name); ++int nval_set(char *xb, int xb_size, const YCHAR *name, const char *buf, int bsize, int flags); ++int nval_get(const char *xb, int xb_size, const YCHAR *name, char *buf, int bsize); ++int nval_list(const char *xb, int xb_size, char *buf, int bsize); ++int nval_hasvalues(const char *xb, int xb_size); ++#endif +--- a/fs/yaffs2/yaffs_nand.c ++++ b/fs/yaffs2/yaffs_nand.c +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -11,124 +11,129 @@ + * published by the Free Software Foundation. + */ + +-const char *yaffs_nand_c_version = +- "$Id: yaffs_nand.c,v 1.10 2009-03-06 17:20:54 wookey Exp $"; +- + #include "yaffs_nand.h" + #include "yaffs_tagscompat.h" + #include "yaffs_tagsvalidity.h" + + #include "yaffs_getblockinfo.h" + +-int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, ++int yaffs_rd_chunk_tags_nand(yaffs_dev_t *dev, int nand_chunk, + __u8 *buffer, +- yaffs_ExtendedTags *tags) ++ yaffs_ext_tags *tags) + { + int result; +- yaffs_ExtendedTags localTags; ++ yaffs_ext_tags localTags; ++ ++ int realignedChunkInNAND = nand_chunk - dev->chunk_offset; + +- int realignedChunkInNAND = chunkInNAND - dev->chunkOffset; ++ dev->n_page_reads++; + + /* If there are no tags provided, use local tags to get prioritised gc working */ + if (!tags) + tags = &localTags; + +- if (dev->readChunkWithTagsFromNAND) +- result = dev->readChunkWithTagsFromNAND(dev, realignedChunkInNAND, buffer, ++ if (dev->param.read_chunk_tags_fn) ++ result = dev->param.read_chunk_tags_fn(dev, realignedChunkInNAND, buffer, + tags); + else +- result = yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(dev, ++ result = yaffs_tags_compat_rd(dev, + realignedChunkInNAND, + buffer, + tags); + if (tags && +- tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR) { ++ tags->ecc_result > YAFFS_ECC_RESULT_NO_ERROR) { + +- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, chunkInNAND/dev->nChunksPerBlock); +- yaffs_HandleChunkError(dev, bi); ++ yaffs_block_info_t *bi; ++ bi = yaffs_get_block_info(dev, nand_chunk/dev->param.chunks_per_block); ++ yaffs_handle_chunk_error(dev, bi); + } + + return result; + } + +-int yaffs_WriteChunkWithTagsToNAND(yaffs_Device *dev, +- int chunkInNAND, ++int yaffs_wr_chunk_tags_nand(yaffs_dev_t *dev, ++ int nand_chunk, + const __u8 *buffer, +- yaffs_ExtendedTags *tags) ++ yaffs_ext_tags *tags) + { +- chunkInNAND -= dev->chunkOffset; ++ ++ dev->n_page_writes++; ++ ++ nand_chunk -= dev->chunk_offset; + + + if (tags) { +- tags->sequenceNumber = dev->sequenceNumber; +- tags->chunkUsed = 1; +- if (!yaffs_ValidateTags(tags)) { ++ tags->seq_number = dev->seq_number; ++ tags->chunk_used = 1; ++ if (!yaffs_validate_tags(tags)) { + T(YAFFS_TRACE_ERROR, + (TSTR("Writing uninitialised tags" TENDSTR))); + YBUG(); + } + T(YAFFS_TRACE_WRITE, +- (TSTR("Writing chunk %d tags %d %d" TENDSTR), chunkInNAND, +- tags->objectId, tags->chunkId)); ++ (TSTR("Writing chunk %d tags %d %d" TENDSTR), nand_chunk, ++ tags->obj_id, tags->chunk_id)); + } else { + T(YAFFS_TRACE_ERROR, (TSTR("Writing with no tags" TENDSTR))); + YBUG(); + } + +- if (dev->writeChunkWithTagsToNAND) +- return dev->writeChunkWithTagsToNAND(dev, chunkInNAND, buffer, ++ if (dev->param.write_chunk_tags_fn) ++ return dev->param.write_chunk_tags_fn(dev, nand_chunk, buffer, + tags); + else +- return yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(dev, +- chunkInNAND, ++ return yaffs_tags_compat_wr(dev, ++ nand_chunk, + buffer, + tags); + } + +-int yaffs_MarkBlockBad(yaffs_Device *dev, int blockNo) ++int yaffs_mark_bad(yaffs_dev_t *dev, int block_no) + { +- blockNo -= dev->blockOffset; ++ block_no -= dev->block_offset; ++ + +-; +- if (dev->markNANDBlockBad) +- return dev->markNANDBlockBad(dev, blockNo); ++ if (dev->param.bad_block_fn) ++ return dev->param.bad_block_fn(dev, block_no); + else +- return yaffs_TagsCompatabilityMarkNANDBlockBad(dev, blockNo); ++ return yaffs_tags_compat_mark_bad(dev, block_no); + } + +-int yaffs_QueryInitialBlockState(yaffs_Device *dev, +- int blockNo, +- yaffs_BlockState *state, +- __u32 *sequenceNumber) ++int yaffs_query_init_block_state(yaffs_dev_t *dev, ++ int block_no, ++ yaffs_block_state_t *state, ++ __u32 *seq_number) + { +- blockNo -= dev->blockOffset; ++ block_no -= dev->block_offset; + +- if (dev->queryNANDBlock) +- return dev->queryNANDBlock(dev, blockNo, state, sequenceNumber); ++ if (dev->param.query_block_fn) ++ return dev->param.query_block_fn(dev, block_no, state, seq_number); + else +- return yaffs_TagsCompatabilityQueryNANDBlock(dev, blockNo, ++ return yaffs_tags_compat_query_block(dev, block_no, + state, +- sequenceNumber); ++ seq_number); + } + + +-int yaffs_EraseBlockInNAND(struct yaffs_DeviceStruct *dev, +- int blockInNAND) ++int yaffs_erase_block(struct yaffs_dev_s *dev, ++ int flash_block) + { + int result; + +- blockInNAND -= dev->blockOffset; ++ flash_block -= dev->block_offset; + ++ dev->n_erasures++; + +- dev->nBlockErasures++; +- result = dev->eraseBlockInNAND(dev, blockInNAND); ++ result = dev->param.erase_fn(dev, flash_block); + + return result; + } + +-int yaffs_InitialiseNAND(struct yaffs_DeviceStruct *dev) ++int yaffs_init_nand(struct yaffs_dev_s *dev) + { +- return dev->initialiseNAND(dev); ++ if(dev->param.initialise_flash_fn) ++ return dev->param.initialise_flash_fn(dev); ++ return YAFFS_OK; + } + + +--- a/fs/yaffs2/yaffs_nandemul2k.h ++++ b/fs/yaffs2/yaffs_nandemul2k.h +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -20,18 +20,18 @@ + + #include "yaffs_guts.h" + +-int nandemul2k_WriteChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev, +- int chunkInNAND, const __u8 *data, +- const yaffs_ExtendedTags *tags); +-int nandemul2k_ReadChunkWithTagsFromNAND(struct yaffs_DeviceStruct *dev, +- int chunkInNAND, __u8 *data, +- yaffs_ExtendedTags *tags); +-int nandemul2k_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo); +-int nandemul2k_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, +- yaffs_BlockState *state, __u32 *sequenceNumber); +-int nandemul2k_EraseBlockInNAND(struct yaffs_DeviceStruct *dev, +- int blockInNAND); +-int nandemul2k_InitialiseNAND(struct yaffs_DeviceStruct *dev); ++int nandemul2k_WriteChunkWithTagsToNAND(struct yaffs_dev_s *dev, ++ int nand_chunk, const __u8 *data, ++ const yaffs_ext_tags *tags); ++int nandemul2k_ReadChunkWithTagsFromNAND(struct yaffs_dev_s *dev, ++ int nand_chunk, __u8 *data, ++ yaffs_ext_tags *tags); ++int nandemul2k_MarkNANDBlockBad(struct yaffs_dev_s *dev, int block_no); ++int nandemul2k_QueryNANDBlock(struct yaffs_dev_s *dev, int block_no, ++ yaffs_block_state_t *state, __u32 *seq_number); ++int nandemul2k_EraseBlockInNAND(struct yaffs_dev_s *dev, ++ int flash_block); ++int nandemul2k_InitialiseNAND(struct yaffs_dev_s *dev); + int nandemul2k_GetBytesPerChunk(void); + int nandemul2k_GetChunksPerBlock(void); + int nandemul2k_GetNumberOfBlocks(void); +--- a/fs/yaffs2/yaffs_nand.h ++++ b/fs/yaffs2/yaffs_nand.h +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -19,26 +19,26 @@ + + + +-int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, ++int yaffs_rd_chunk_tags_nand(yaffs_dev_t *dev, int nand_chunk, + __u8 *buffer, +- yaffs_ExtendedTags *tags); ++ yaffs_ext_tags *tags); + +-int yaffs_WriteChunkWithTagsToNAND(yaffs_Device *dev, +- int chunkInNAND, ++int yaffs_wr_chunk_tags_nand(yaffs_dev_t *dev, ++ int nand_chunk, + const __u8 *buffer, +- yaffs_ExtendedTags *tags); ++ yaffs_ext_tags *tags); + +-int yaffs_MarkBlockBad(yaffs_Device *dev, int blockNo); ++int yaffs_mark_bad(yaffs_dev_t *dev, int block_no); + +-int yaffs_QueryInitialBlockState(yaffs_Device *dev, +- int blockNo, +- yaffs_BlockState *state, +- unsigned *sequenceNumber); ++int yaffs_query_init_block_state(yaffs_dev_t *dev, ++ int block_no, ++ yaffs_block_state_t *state, ++ unsigned *seq_number); + +-int yaffs_EraseBlockInNAND(struct yaffs_DeviceStruct *dev, +- int blockInNAND); ++int yaffs_erase_block(struct yaffs_dev_s *dev, ++ int flash_block); + +-int yaffs_InitialiseNAND(struct yaffs_DeviceStruct *dev); ++int yaffs_init_nand(struct yaffs_dev_s *dev); + + #endif + +--- a/fs/yaffs2/yaffs_packedtags1.c ++++ b/fs/yaffs2/yaffs_packedtags1.c +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -14,37 +14,37 @@ + #include "yaffs_packedtags1.h" + #include "yportenv.h" + +-void yaffs_PackTags1(yaffs_PackedTags1 *pt, const yaffs_ExtendedTags *t) ++void yaffs_PackTags1(yaffs_PackedTags1 *pt, const yaffs_ext_tags *t) + { +- pt->chunkId = t->chunkId; +- pt->serialNumber = t->serialNumber; +- pt->byteCount = t->byteCount; +- pt->objectId = t->objectId; ++ pt->chunk_id = t->chunk_id; ++ pt->serial_number = t->serial_number; ++ pt->n_bytes = t->n_bytes; ++ pt->obj_id = t->obj_id; + pt->ecc = 0; +- pt->deleted = (t->chunkDeleted) ? 0 : 1; ++ pt->deleted = (t->is_deleted) ? 0 : 1; + pt->unusedStuff = 0; + pt->shouldBeFF = 0xFFFFFFFF; + + } + +-void yaffs_UnpackTags1(yaffs_ExtendedTags *t, const yaffs_PackedTags1 *pt) ++void yaffs_unpack_tags1(yaffs_ext_tags *t, const yaffs_PackedTags1 *pt) + { + static const __u8 allFF[] = + { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff }; + + if (memcmp(allFF, pt, sizeof(yaffs_PackedTags1))) { +- t->blockBad = 0; ++ t->block_bad = 0; + if (pt->shouldBeFF != 0xFFFFFFFF) +- t->blockBad = 1; +- t->chunkUsed = 1; +- t->objectId = pt->objectId; +- t->chunkId = pt->chunkId; +- t->byteCount = pt->byteCount; +- t->eccResult = YAFFS_ECC_RESULT_NO_ERROR; +- t->chunkDeleted = (pt->deleted) ? 0 : 1; +- t->serialNumber = pt->serialNumber; ++ t->block_bad = 1; ++ t->chunk_used = 1; ++ t->obj_id = pt->obj_id; ++ t->chunk_id = pt->chunk_id; ++ t->n_bytes = pt->n_bytes; ++ t->ecc_result = YAFFS_ECC_RESULT_NO_ERROR; ++ t->is_deleted = (pt->deleted) ? 0 : 1; ++ t->serial_number = pt->serial_number; + } else { +- memset(t, 0, sizeof(yaffs_ExtendedTags)); ++ memset(t, 0, sizeof(yaffs_ext_tags)); + } + } +--- a/fs/yaffs2/yaffs_packedtags1.h ++++ b/fs/yaffs2/yaffs_packedtags1.h +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -21,10 +21,10 @@ + #include "yaffs_guts.h" + + typedef struct { +- unsigned chunkId:20; +- unsigned serialNumber:2; +- unsigned byteCount:10; +- unsigned objectId:18; ++ unsigned chunk_id:20; ++ unsigned serial_number:2; ++ unsigned n_bytes:10; ++ unsigned obj_id:18; + unsigned ecc:12; + unsigned deleted:1; + unsigned unusedStuff:1; +@@ -32,6 +32,6 @@ typedef struct { + + } yaffs_PackedTags1; + +-void yaffs_PackTags1(yaffs_PackedTags1 *pt, const yaffs_ExtendedTags *t); +-void yaffs_UnpackTags1(yaffs_ExtendedTags *t, const yaffs_PackedTags1 *pt); ++void yaffs_PackTags1(yaffs_PackedTags1 *pt, const yaffs_ext_tags *t); ++void yaffs_unpack_tags1(yaffs_ext_tags *t, const yaffs_PackedTags1 *pt); + #endif +--- a/fs/yaffs2/yaffs_packedtags2.c ++++ b/fs/yaffs2/yaffs_packedtags2.c +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -13,6 +13,7 @@ + + #include "yaffs_packedtags2.h" + #include "yportenv.h" ++#include "yaffs_trace.h" + #include "yaffs_tagsvalidity.h" + + /* This code packs a set of extended tags into a binary structure for +@@ -24,7 +25,7 @@ + * This is defined by having the EXTRA_HEADER_INFO_FLAG set. + */ + +-/* Extra flags applied to chunkId */ ++/* Extra flags applied to chunk_id */ + + #define EXTRA_HEADER_INFO_FLAG 0x80000000 + #define EXTRA_SHRINK_FLAG 0x40000000 +@@ -42,53 +43,53 @@ static void yaffs_DumpPackedTags2TagsPar + { + T(YAFFS_TRACE_MTD, + (TSTR("packed tags obj %d chunk %d byte %d seq %d" TENDSTR), +- ptt->objectId, ptt->chunkId, ptt->byteCount, +- ptt->sequenceNumber)); ++ ptt->obj_id, ptt->chunk_id, ptt->n_bytes, ++ ptt->seq_number)); + } + static void yaffs_DumpPackedTags2(const yaffs_PackedTags2 *pt) + { + yaffs_DumpPackedTags2TagsPart(&pt->t); + } + +-static void yaffs_DumpTags2(const yaffs_ExtendedTags *t) ++static void yaffs_DumpTags2(const yaffs_ext_tags *t) + { + T(YAFFS_TRACE_MTD, + (TSTR + ("ext.tags eccres %d blkbad %d chused %d obj %d chunk%d byte %d del %d ser %d seq %d" +- TENDSTR), t->eccResult, t->blockBad, t->chunkUsed, t->objectId, +- t->chunkId, t->byteCount, t->chunkDeleted, t->serialNumber, +- t->sequenceNumber)); ++ TENDSTR), t->ecc_result, t->block_bad, t->chunk_used, t->obj_id, ++ t->chunk_id, t->n_bytes, t->is_deleted, t->serial_number, ++ t->seq_number)); + + } + + void yaffs_PackTags2TagsPart(yaffs_PackedTags2TagsPart *ptt, +- const yaffs_ExtendedTags *t) ++ const yaffs_ext_tags *t) + { +- ptt->chunkId = t->chunkId; +- ptt->sequenceNumber = t->sequenceNumber; +- ptt->byteCount = t->byteCount; +- ptt->objectId = t->objectId; ++ ptt->chunk_id = t->chunk_id; ++ ptt->seq_number = t->seq_number; ++ ptt->n_bytes = t->n_bytes; ++ ptt->obj_id = t->obj_id; + +- if (t->chunkId == 0 && t->extraHeaderInfoAvailable) { ++ if (t->chunk_id == 0 && t->extra_available) { + /* Store the extra header info instead */ +- /* We save the parent object in the chunkId */ +- ptt->chunkId = EXTRA_HEADER_INFO_FLAG +- | t->extraParentObjectId; +- if (t->extraIsShrinkHeader) +- ptt->chunkId |= EXTRA_SHRINK_FLAG; +- if (t->extraShadows) +- ptt->chunkId |= EXTRA_SHADOWS_FLAG; +- +- ptt->objectId &= ~EXTRA_OBJECT_TYPE_MASK; +- ptt->objectId |= +- (t->extraObjectType << EXTRA_OBJECT_TYPE_SHIFT); +- +- if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK) +- ptt->byteCount = t->extraEquivalentObjectId; +- else if (t->extraObjectType == YAFFS_OBJECT_TYPE_FILE) +- ptt->byteCount = t->extraFileLength; ++ /* We save the parent object in the chunk_id */ ++ ptt->chunk_id = EXTRA_HEADER_INFO_FLAG ++ | t->extra_parent_id; ++ if (t->extra_is_shrink) ++ ptt->chunk_id |= EXTRA_SHRINK_FLAG; ++ if (t->extra_shadows) ++ ptt->chunk_id |= EXTRA_SHADOWS_FLAG; ++ ++ ptt->obj_id &= ~EXTRA_OBJECT_TYPE_MASK; ++ ptt->obj_id |= ++ (t->extra_obj_type << EXTRA_OBJECT_TYPE_SHIFT); ++ ++ if (t->extra_obj_type == YAFFS_OBJECT_TYPE_HARDLINK) ++ ptt->n_bytes = t->extra_equiv_id; ++ else if (t->extra_obj_type == YAFFS_OBJECT_TYPE_FILE) ++ ptt->n_bytes = t->extra_length; + else +- ptt->byteCount = 0; ++ ptt->n_bytes = 0; + } + + yaffs_DumpPackedTags2TagsPart(ptt); +@@ -96,59 +97,56 @@ void yaffs_PackTags2TagsPart(yaffs_Packe + } + + +-void yaffs_PackTags2(yaffs_PackedTags2 *pt, const yaffs_ExtendedTags *t) ++void yaffs_PackTags2(yaffs_PackedTags2 *pt, const yaffs_ext_tags *t, int tagsECC) + { + yaffs_PackTags2TagsPart(&pt->t, t); + +-#ifndef YAFFS_IGNORE_TAGS_ECC +- { +- yaffs_ECCCalculateOther((unsigned char *)&pt->t, ++ if(tagsECC) ++ yaffs_ecc_calc_other((unsigned char *)&pt->t, + sizeof(yaffs_PackedTags2TagsPart), + &pt->ecc); +- } +-#endif + } + + +-void yaffs_UnpackTags2TagsPart(yaffs_ExtendedTags *t, ++void yaffs_unpack_tags2tags_part(yaffs_ext_tags *t, + yaffs_PackedTags2TagsPart *ptt) + { + +- memset(t, 0, sizeof(yaffs_ExtendedTags)); ++ memset(t, 0, sizeof(yaffs_ext_tags)); + +- yaffs_InitialiseTags(t); ++ yaffs_init_tags(t); + +- if (ptt->sequenceNumber != 0xFFFFFFFF) { +- t->blockBad = 0; +- t->chunkUsed = 1; +- t->objectId = ptt->objectId; +- t->chunkId = ptt->chunkId; +- t->byteCount = ptt->byteCount; +- t->chunkDeleted = 0; +- t->serialNumber = 0; +- t->sequenceNumber = ptt->sequenceNumber; ++ if (ptt->seq_number != 0xFFFFFFFF) { ++ t->block_bad = 0; ++ t->chunk_used = 1; ++ t->obj_id = ptt->obj_id; ++ t->chunk_id = ptt->chunk_id; ++ t->n_bytes = ptt->n_bytes; ++ t->is_deleted = 0; ++ t->serial_number = 0; ++ t->seq_number = ptt->seq_number; + + /* Do extra header info stuff */ + +- if (ptt->chunkId & EXTRA_HEADER_INFO_FLAG) { +- t->chunkId = 0; +- t->byteCount = 0; +- +- t->extraHeaderInfoAvailable = 1; +- t->extraParentObjectId = +- ptt->chunkId & (~(ALL_EXTRA_FLAGS)); +- t->extraIsShrinkHeader = +- (ptt->chunkId & EXTRA_SHRINK_FLAG) ? 1 : 0; +- t->extraShadows = +- (ptt->chunkId & EXTRA_SHADOWS_FLAG) ? 1 : 0; +- t->extraObjectType = +- ptt->objectId >> EXTRA_OBJECT_TYPE_SHIFT; +- t->objectId &= ~EXTRA_OBJECT_TYPE_MASK; ++ if (ptt->chunk_id & EXTRA_HEADER_INFO_FLAG) { ++ t->chunk_id = 0; ++ t->n_bytes = 0; ++ ++ t->extra_available = 1; ++ t->extra_parent_id = ++ ptt->chunk_id & (~(ALL_EXTRA_FLAGS)); ++ t->extra_is_shrink = ++ (ptt->chunk_id & EXTRA_SHRINK_FLAG) ? 1 : 0; ++ t->extra_shadows = ++ (ptt->chunk_id & EXTRA_SHADOWS_FLAG) ? 1 : 0; ++ t->extra_obj_type = ++ ptt->obj_id >> EXTRA_OBJECT_TYPE_SHIFT; ++ t->obj_id &= ~EXTRA_OBJECT_TYPE_MASK; + +- if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK) +- t->extraEquivalentObjectId = ptt->byteCount; ++ if (t->extra_obj_type == YAFFS_OBJECT_TYPE_HARDLINK) ++ t->extra_equiv_id = ptt->n_bytes; + else +- t->extraFileLength = ptt->byteCount; ++ t->extra_length = ptt->n_bytes; + } + } + +@@ -158,49 +156,43 @@ void yaffs_UnpackTags2TagsPart(yaffs_Ext + } + + +-void yaffs_UnpackTags2(yaffs_ExtendedTags *t, yaffs_PackedTags2 *pt) ++void yaffs_unpack_tags2(yaffs_ext_tags *t, yaffs_PackedTags2 *pt, int tagsECC) + { + +- yaffs_ECCResult eccResult = YAFFS_ECC_RESULT_NO_ERROR; ++ yaffs_ecc_result ecc_result = YAFFS_ECC_RESULT_NO_ERROR; + +- if (pt->t.sequenceNumber != 0xFFFFFFFF) { +- /* Page is in use */ +-#ifndef YAFFS_IGNORE_TAGS_ECC +- { +- yaffs_ECCOther ecc; +- int result; +- yaffs_ECCCalculateOther((unsigned char *)&pt->t, +- sizeof +- (yaffs_PackedTags2TagsPart), +- &ecc); +- result = +- yaffs_ECCCorrectOther((unsigned char *)&pt->t, +- sizeof +- (yaffs_PackedTags2TagsPart), +- &pt->ecc, &ecc); +- switch (result) { ++ if (pt->t.seq_number != 0xFFFFFFFF && ++ tagsECC){ ++ /* Chunk is in use and we need to do ECC */ ++ ++ yaffs_ECCOther ecc; ++ int result; ++ yaffs_ecc_calc_other((unsigned char *)&pt->t, ++ sizeof(yaffs_PackedTags2TagsPart), ++ &ecc); ++ result = yaffs_ecc_correct_other((unsigned char *)&pt->t, ++ sizeof(yaffs_PackedTags2TagsPart), ++ &pt->ecc, &ecc); ++ switch (result) { + case 0: +- eccResult = YAFFS_ECC_RESULT_NO_ERROR; ++ ecc_result = YAFFS_ECC_RESULT_NO_ERROR; + break; + case 1: +- eccResult = YAFFS_ECC_RESULT_FIXED; ++ ecc_result = YAFFS_ECC_RESULT_FIXED; + break; + case -1: +- eccResult = YAFFS_ECC_RESULT_UNFIXED; ++ ecc_result = YAFFS_ECC_RESULT_UNFIXED; + break; + default: +- eccResult = YAFFS_ECC_RESULT_UNKNOWN; +- } ++ ecc_result = YAFFS_ECC_RESULT_UNKNOWN; + } +-#endif + } + +- yaffs_UnpackTags2TagsPart(t, &pt->t); ++ yaffs_unpack_tags2tags_part(t, &pt->t); + +- t->eccResult = eccResult; ++ t->ecc_result = ecc_result; + + yaffs_DumpPackedTags2(pt); + yaffs_DumpTags2(t); +- + } + +--- a/fs/yaffs2/yaffs_packedtags2.h ++++ b/fs/yaffs2/yaffs_packedtags2.h +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -22,10 +22,10 @@ + #include "yaffs_ecc.h" + + typedef struct { +- unsigned sequenceNumber; +- unsigned objectId; +- unsigned chunkId; +- unsigned byteCount; ++ unsigned seq_number; ++ unsigned obj_id; ++ unsigned chunk_id; ++ unsigned n_bytes; + } yaffs_PackedTags2TagsPart; + + typedef struct { +@@ -34,10 +34,10 @@ typedef struct { + } yaffs_PackedTags2; + + /* Full packed tags with ECC, used for oob tags */ +-void yaffs_PackTags2(yaffs_PackedTags2 *pt, const yaffs_ExtendedTags *t); +-void yaffs_UnpackTags2(yaffs_ExtendedTags *t, yaffs_PackedTags2 *pt); ++void yaffs_PackTags2(yaffs_PackedTags2 *pt, const yaffs_ext_tags *t, int tagsECC); ++void yaffs_unpack_tags2(yaffs_ext_tags *t, yaffs_PackedTags2 *pt, int tagsECC); + + /* Only the tags part (no ECC for use with inband tags */ +-void yaffs_PackTags2TagsPart(yaffs_PackedTags2TagsPart *pt, const yaffs_ExtendedTags *t); +-void yaffs_UnpackTags2TagsPart(yaffs_ExtendedTags *t, yaffs_PackedTags2TagsPart *pt); ++void yaffs_PackTags2TagsPart(yaffs_PackedTags2TagsPart *pt, const yaffs_ext_tags *t); ++void yaffs_unpack_tags2tags_part(yaffs_ext_tags *t, yaffs_PackedTags2TagsPart *pt); + #endif +--- a/fs/yaffs2/yaffs_qsort.h ++++ b/fs/yaffs2/yaffs_qsort.h +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -17,7 +17,18 @@ + #ifndef __YAFFS_QSORT_H__ + #define __YAFFS_QSORT_H__ + ++#ifdef __KERNEL__ ++#include <linux/sort.h> ++ ++extern void yaffs_qsort(void *const base, size_t total_elems, size_t size, ++ int (*cmp)(const void *, const void *)){ ++ sort(base, total_elems, size, cmp, NULL); ++} ++ ++#else ++ + extern void yaffs_qsort(void *const base, size_t total_elems, size_t size, + int (*cmp)(const void *, const void *)); + + #endif ++#endif +--- a/fs/yaffs2/yaffs_tagscompat.c ++++ b/fs/yaffs2/yaffs_tagscompat.c +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -15,19 +15,20 @@ + #include "yaffs_tagscompat.h" + #include "yaffs_ecc.h" + #include "yaffs_getblockinfo.h" ++#include "yaffs_trace.h" + +-static void yaffs_HandleReadDataError(yaffs_Device *dev, int chunkInNAND); ++static void yaffs_handle_rd_data_error(yaffs_dev_t *dev, int nand_chunk); + #ifdef NOTYET +-static void yaffs_CheckWrittenBlock(yaffs_Device *dev, int chunkInNAND); +-static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND, ++static void yaffs_check_written_block(yaffs_dev_t *dev, int nand_chunk); ++static void yaffs_handle_chunk_wr_ok(yaffs_dev_t *dev, int nand_chunk, + const __u8 *data, +- const yaffs_Spare *spare); +-static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND, +- const yaffs_Spare *spare); +-static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND); ++ const yaffs_spare *spare); ++static void yaffs_handle_chunk_update(yaffs_dev_t *dev, int nand_chunk, ++ const yaffs_spare *spare); ++static void yaffs_handle_chunk_wr_error(yaffs_dev_t *dev, int nand_chunk); + #endif + +-static const char yaffs_countBitsTable[256] = { ++static const char yaffs_count_bits_table[256] = { + 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4, + 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, + 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, +@@ -46,26 +47,26 @@ static const char yaffs_countBitsTable[2 + 4, 5, 5, 6, 5, 6, 6, 7, 5, 6, 6, 7, 6, 7, 7, 8 + }; + +-int yaffs_CountBits(__u8 x) ++int yaffs_count_bits(__u8 x) + { + int retVal; +- retVal = yaffs_countBitsTable[x]; ++ retVal = yaffs_count_bits_table[x]; + return retVal; + } + + /********** Tags ECC calculations *********/ + +-void yaffs_CalcECC(const __u8 *data, yaffs_Spare *spare) ++void yaffs_calc_ecc(const __u8 *data, yaffs_spare *spare) + { +- yaffs_ECCCalculate(data, spare->ecc1); +- yaffs_ECCCalculate(&data[256], spare->ecc2); ++ yaffs_ecc_cacl(data, spare->ecc1); ++ yaffs_ecc_cacl(&data[256], spare->ecc2); + } + +-void yaffs_CalcTagsECC(yaffs_Tags *tags) ++void yaffs_calc_tags_ecc(yaffs_tags_t *tags) + { + /* Calculate an ecc */ + +- unsigned char *b = ((yaffs_TagsUnion *) tags)->asBytes; ++ unsigned char *b = ((yaffs_tags_union_t *) tags)->as_bytes; + unsigned i, j; + unsigned ecc = 0; + unsigned bit = 0; +@@ -84,24 +85,24 @@ void yaffs_CalcTagsECC(yaffs_Tags *tags) + + } + +-int yaffs_CheckECCOnTags(yaffs_Tags *tags) ++int yaffs_check_tags_ecc(yaffs_tags_t *tags) + { + unsigned ecc = tags->ecc; + +- yaffs_CalcTagsECC(tags); ++ yaffs_calc_tags_ecc(tags); + + ecc ^= tags->ecc; + + if (ecc && ecc <= 64) { + /* TODO: Handle the failure better. Retire? */ +- unsigned char *b = ((yaffs_TagsUnion *) tags)->asBytes; ++ unsigned char *b = ((yaffs_tags_union_t *) tags)->as_bytes; + + ecc--; + + b[ecc / 8] ^= (1 << (ecc & 7)); + + /* Now recvalc the ecc */ +- yaffs_CalcTagsECC(tags); ++ yaffs_calc_tags_ecc(tags); + + return 1; /* recovered error */ + } else if (ecc) { +@@ -115,76 +116,73 @@ int yaffs_CheckECCOnTags(yaffs_Tags *tag + + /********** Tags **********/ + +-static void yaffs_LoadTagsIntoSpare(yaffs_Spare *sparePtr, +- yaffs_Tags *tagsPtr) ++static void yaffs_load_tags_to_spare(yaffs_spare *sparePtr, ++ yaffs_tags_t *tagsPtr) + { +- yaffs_TagsUnion *tu = (yaffs_TagsUnion *) tagsPtr; ++ yaffs_tags_union_t *tu = (yaffs_tags_union_t *) tagsPtr; + +- yaffs_CalcTagsECC(tagsPtr); ++ yaffs_calc_tags_ecc(tagsPtr); + +- sparePtr->tagByte0 = tu->asBytes[0]; +- sparePtr->tagByte1 = tu->asBytes[1]; +- sparePtr->tagByte2 = tu->asBytes[2]; +- sparePtr->tagByte3 = tu->asBytes[3]; +- sparePtr->tagByte4 = tu->asBytes[4]; +- sparePtr->tagByte5 = tu->asBytes[5]; +- sparePtr->tagByte6 = tu->asBytes[6]; +- sparePtr->tagByte7 = tu->asBytes[7]; ++ sparePtr->tb0 = tu->as_bytes[0]; ++ sparePtr->tb1 = tu->as_bytes[1]; ++ sparePtr->tb2 = tu->as_bytes[2]; ++ sparePtr->tb3 = tu->as_bytes[3]; ++ sparePtr->tb4 = tu->as_bytes[4]; ++ sparePtr->tb5 = tu->as_bytes[5]; ++ sparePtr->tb6 = tu->as_bytes[6]; ++ sparePtr->tb7 = tu->as_bytes[7]; + } + +-static void yaffs_GetTagsFromSpare(yaffs_Device *dev, yaffs_Spare *sparePtr, +- yaffs_Tags *tagsPtr) ++static void yaffs_get_tags_from_spare(yaffs_dev_t *dev, yaffs_spare *sparePtr, ++ yaffs_tags_t *tagsPtr) + { +- yaffs_TagsUnion *tu = (yaffs_TagsUnion *) tagsPtr; ++ yaffs_tags_union_t *tu = (yaffs_tags_union_t *) tagsPtr; + int result; + +- tu->asBytes[0] = sparePtr->tagByte0; +- tu->asBytes[1] = sparePtr->tagByte1; +- tu->asBytes[2] = sparePtr->tagByte2; +- tu->asBytes[3] = sparePtr->tagByte3; +- tu->asBytes[4] = sparePtr->tagByte4; +- tu->asBytes[5] = sparePtr->tagByte5; +- tu->asBytes[6] = sparePtr->tagByte6; +- tu->asBytes[7] = sparePtr->tagByte7; ++ tu->as_bytes[0] = sparePtr->tb0; ++ tu->as_bytes[1] = sparePtr->tb1; ++ tu->as_bytes[2] = sparePtr->tb2; ++ tu->as_bytes[3] = sparePtr->tb3; ++ tu->as_bytes[4] = sparePtr->tb4; ++ tu->as_bytes[5] = sparePtr->tb5; ++ tu->as_bytes[6] = sparePtr->tb6; ++ tu->as_bytes[7] = sparePtr->tb7; + +- result = yaffs_CheckECCOnTags(tagsPtr); ++ result = yaffs_check_tags_ecc(tagsPtr); + if (result > 0) +- dev->tagsEccFixed++; ++ dev->n_tags_ecc_fixed++; + else if (result < 0) +- dev->tagsEccUnfixed++; ++ dev->n_tags_ecc_unfixed++; + } + +-static void yaffs_SpareInitialise(yaffs_Spare *spare) ++static void yaffs_spare_init(yaffs_spare *spare) + { +- memset(spare, 0xFF, sizeof(yaffs_Spare)); ++ memset(spare, 0xFF, sizeof(yaffs_spare)); + } + +-static int yaffs_WriteChunkToNAND(struct yaffs_DeviceStruct *dev, +- int chunkInNAND, const __u8 *data, +- yaffs_Spare *spare) ++static int yaffs_wr_nand(struct yaffs_dev_s *dev, ++ int nand_chunk, const __u8 *data, ++ yaffs_spare *spare) + { +- if (chunkInNAND < dev->startBlock * dev->nChunksPerBlock) { ++ if (nand_chunk < dev->param.start_block * dev->param.chunks_per_block) { + T(YAFFS_TRACE_ERROR, + (TSTR("**>> yaffs chunk %d is not valid" TENDSTR), +- chunkInNAND)); ++ nand_chunk)); + return YAFFS_FAIL; + } + +- dev->nPageWrites++; +- return dev->writeChunkToNAND(dev, chunkInNAND, data, spare); ++ return dev->param.write_chunk_fn(dev, nand_chunk, data, spare); + } + +-static int yaffs_ReadChunkFromNAND(struct yaffs_DeviceStruct *dev, +- int chunkInNAND, ++static int yaffs_rd_chunk_nand(struct yaffs_dev_s *dev, ++ int nand_chunk, + __u8 *data, +- yaffs_Spare *spare, +- yaffs_ECCResult *eccResult, ++ yaffs_spare *spare, ++ yaffs_ecc_result *ecc_result, + int doErrorCorrection) + { + int retVal; +- yaffs_Spare localSpare; +- +- dev->nPageReads++; ++ yaffs_spare localSpare; + + if (!spare && data) { + /* If we don't have a real spare, then we use a local one. */ +@@ -192,107 +190,107 @@ static int yaffs_ReadChunkFromNAND(struc + spare = &localSpare; + } + +- if (!dev->useNANDECC) { +- retVal = dev->readChunkFromNAND(dev, chunkInNAND, data, spare); ++ if (!dev->param.use_nand_ecc) { ++ retVal = dev->param.read_chunk_fn(dev, nand_chunk, data, spare); + if (data && doErrorCorrection) { + /* Do ECC correction */ + /* Todo handle any errors */ +- int eccResult1, eccResult2; ++ int ecc_result1, ecc_result2; + __u8 calcEcc[3]; + +- yaffs_ECCCalculate(data, calcEcc); +- eccResult1 = +- yaffs_ECCCorrect(data, spare->ecc1, calcEcc); +- yaffs_ECCCalculate(&data[256], calcEcc); +- eccResult2 = +- yaffs_ECCCorrect(&data[256], spare->ecc2, calcEcc); ++ yaffs_ecc_cacl(data, calcEcc); ++ ecc_result1 = ++ yaffs_ecc_correct(data, spare->ecc1, calcEcc); ++ yaffs_ecc_cacl(&data[256], calcEcc); ++ ecc_result2 = ++ yaffs_ecc_correct(&data[256], spare->ecc2, calcEcc); + +- if (eccResult1 > 0) { ++ if (ecc_result1 > 0) { + T(YAFFS_TRACE_ERROR, + (TSTR + ("**>>yaffs ecc error fix performed on chunk %d:0" +- TENDSTR), chunkInNAND)); +- dev->eccFixed++; +- } else if (eccResult1 < 0) { ++ TENDSTR), nand_chunk)); ++ dev->n_ecc_fixed++; ++ } else if (ecc_result1 < 0) { + T(YAFFS_TRACE_ERROR, + (TSTR + ("**>>yaffs ecc error unfixed on chunk %d:0" +- TENDSTR), chunkInNAND)); +- dev->eccUnfixed++; ++ TENDSTR), nand_chunk)); ++ dev->n_ecc_unfixed++; + } + +- if (eccResult2 > 0) { ++ if (ecc_result2 > 0) { + T(YAFFS_TRACE_ERROR, + (TSTR + ("**>>yaffs ecc error fix performed on chunk %d:1" +- TENDSTR), chunkInNAND)); +- dev->eccFixed++; +- } else if (eccResult2 < 0) { ++ TENDSTR), nand_chunk)); ++ dev->n_ecc_fixed++; ++ } else if (ecc_result2 < 0) { + T(YAFFS_TRACE_ERROR, + (TSTR + ("**>>yaffs ecc error unfixed on chunk %d:1" +- TENDSTR), chunkInNAND)); +- dev->eccUnfixed++; ++ TENDSTR), nand_chunk)); ++ dev->n_ecc_unfixed++; + } + +- if (eccResult1 || eccResult2) { ++ if (ecc_result1 || ecc_result2) { + /* We had a data problem on this page */ +- yaffs_HandleReadDataError(dev, chunkInNAND); ++ yaffs_handle_rd_data_error(dev, nand_chunk); + } + +- if (eccResult1 < 0 || eccResult2 < 0) +- *eccResult = YAFFS_ECC_RESULT_UNFIXED; +- else if (eccResult1 > 0 || eccResult2 > 0) +- *eccResult = YAFFS_ECC_RESULT_FIXED; ++ if (ecc_result1 < 0 || ecc_result2 < 0) ++ *ecc_result = YAFFS_ECC_RESULT_UNFIXED; ++ else if (ecc_result1 > 0 || ecc_result2 > 0) ++ *ecc_result = YAFFS_ECC_RESULT_FIXED; + else +- *eccResult = YAFFS_ECC_RESULT_NO_ERROR; ++ *ecc_result = YAFFS_ECC_RESULT_NO_ERROR; + } + } else { + /* Must allocate enough memory for spare+2*sizeof(int) */ + /* for ecc results from device. */ +- struct yaffs_NANDSpare nspare; ++ struct yaffs_nand_spare nspare; + + memset(&nspare, 0, sizeof(nspare)); + +- retVal = dev->readChunkFromNAND(dev, chunkInNAND, data, +- (yaffs_Spare *) &nspare); +- memcpy(spare, &nspare, sizeof(yaffs_Spare)); ++ retVal = dev->param.read_chunk_fn(dev, nand_chunk, data, ++ (yaffs_spare *) &nspare); ++ memcpy(spare, &nspare, sizeof(yaffs_spare)); + if (data && doErrorCorrection) { + if (nspare.eccres1 > 0) { + T(YAFFS_TRACE_ERROR, + (TSTR + ("**>>mtd ecc error fix performed on chunk %d:0" +- TENDSTR), chunkInNAND)); ++ TENDSTR), nand_chunk)); + } else if (nspare.eccres1 < 0) { + T(YAFFS_TRACE_ERROR, + (TSTR + ("**>>mtd ecc error unfixed on chunk %d:0" +- TENDSTR), chunkInNAND)); ++ TENDSTR), nand_chunk)); + } + + if (nspare.eccres2 > 0) { + T(YAFFS_TRACE_ERROR, + (TSTR + ("**>>mtd ecc error fix performed on chunk %d:1" +- TENDSTR), chunkInNAND)); ++ TENDSTR), nand_chunk)); + } else if (nspare.eccres2 < 0) { + T(YAFFS_TRACE_ERROR, + (TSTR + ("**>>mtd ecc error unfixed on chunk %d:1" +- TENDSTR), chunkInNAND)); ++ TENDSTR), nand_chunk)); + } + + if (nspare.eccres1 || nspare.eccres2) { + /* We had a data problem on this page */ +- yaffs_HandleReadDataError(dev, chunkInNAND); ++ yaffs_handle_rd_data_error(dev, nand_chunk); + } + + if (nspare.eccres1 < 0 || nspare.eccres2 < 0) +- *eccResult = YAFFS_ECC_RESULT_UNFIXED; ++ *ecc_result = YAFFS_ECC_RESULT_UNFIXED; + else if (nspare.eccres1 > 0 || nspare.eccres2 > 0) +- *eccResult = YAFFS_ECC_RESULT_FIXED; ++ *ecc_result = YAFFS_ECC_RESULT_FIXED; + else +- *eccResult = YAFFS_ECC_RESULT_NO_ERROR; ++ *ecc_result = YAFFS_ECC_RESULT_NO_ERROR; + + } + } +@@ -300,17 +298,17 @@ static int yaffs_ReadChunkFromNAND(struc + } + + #ifdef NOTYET +-static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev, +- int chunkInNAND) ++static int yaffs_check_chunk_erased(struct yaffs_dev_s *dev, ++ int nand_chunk) + { + static int init; + static __u8 cmpbuf[YAFFS_BYTES_PER_CHUNK]; + static __u8 data[YAFFS_BYTES_PER_CHUNK]; + /* Might as well always allocate the larger size for */ +- /* dev->useNANDECC == true; */ +- static __u8 spare[sizeof(struct yaffs_NANDSpare)]; ++ /* dev->param.use_nand_ecc == true; */ ++ static __u8 spare[sizeof(struct yaffs_nand_spare)]; + +- dev->readChunkFromNAND(dev, chunkInNAND, data, (yaffs_Spare *) spare); ++ dev->param.read_chunk_fn(dev, nand_chunk, data, (yaffs_spare *) spare); + + if (!init) { + memset(cmpbuf, 0xff, YAFFS_BYTES_PER_CHUNK); +@@ -331,14 +329,14 @@ static int yaffs_CheckChunkErased(struct + * Functions for robustisizing + */ + +-static void yaffs_HandleReadDataError(yaffs_Device *dev, int chunkInNAND) ++static void yaffs_handle_rd_data_error(yaffs_dev_t *dev, int nand_chunk) + { +- int blockInNAND = chunkInNAND / dev->nChunksPerBlock; ++ int flash_block = nand_chunk / dev->param.chunks_per_block; + + /* Mark the block for retirement */ +- yaffs_GetBlockInfo(dev, blockInNAND + dev->blockOffset)->needsRetiring = 1; ++ yaffs_get_block_info(dev, flash_block + dev->block_offset)->needs_retiring = 1; + T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, +- (TSTR("**>>Block %d marked for retirement" TENDSTR), blockInNAND)); ++ (TSTR("**>>Block %d marked for retirement" TENDSTR), flash_block)); + + /* TODO: + * Just do a garbage collection on the affected block +@@ -348,44 +346,44 @@ static void yaffs_HandleReadDataError(ya + } + + #ifdef NOTYET +-static void yaffs_CheckWrittenBlock(yaffs_Device *dev, int chunkInNAND) ++static void yaffs_check_written_block(yaffs_dev_t *dev, int nand_chunk) + { + } + +-static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND, ++static void yaffs_handle_chunk_wr_ok(yaffs_dev_t *dev, int nand_chunk, + const __u8 *data, +- const yaffs_Spare *spare) ++ const yaffs_spare *spare) + { + } + +-static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND, +- const yaffs_Spare *spare) ++static void yaffs_handle_chunk_update(yaffs_dev_t *dev, int nand_chunk, ++ const yaffs_spare *spare) + { + } + +-static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND) ++static void yaffs_handle_chunk_wr_error(yaffs_dev_t *dev, int nand_chunk) + { +- int blockInNAND = chunkInNAND / dev->nChunksPerBlock; ++ int flash_block = nand_chunk / dev->param.chunks_per_block; + + /* Mark the block for retirement */ +- yaffs_GetBlockInfo(dev, blockInNAND)->needsRetiring = 1; ++ yaffs_get_block_info(dev, flash_block)->needs_retiring = 1; + /* Delete the chunk */ +- yaffs_DeleteChunk(dev, chunkInNAND, 1, __LINE__); ++ yaffs_chunk_del(dev, nand_chunk, 1, __LINE__); + } + +-static int yaffs_VerifyCompare(const __u8 *d0, const __u8 *d1, +- const yaffs_Spare *s0, const yaffs_Spare *s1) ++static int yaffs_verify_cmp(const __u8 *d0, const __u8 *d1, ++ const yaffs_spare *s0, const yaffs_spare *s1) + { + + if (memcmp(d0, d1, YAFFS_BYTES_PER_CHUNK) != 0 || +- s0->tagByte0 != s1->tagByte0 || +- s0->tagByte1 != s1->tagByte1 || +- s0->tagByte2 != s1->tagByte2 || +- s0->tagByte3 != s1->tagByte3 || +- s0->tagByte4 != s1->tagByte4 || +- s0->tagByte5 != s1->tagByte5 || +- s0->tagByte6 != s1->tagByte6 || +- s0->tagByte7 != s1->tagByte7 || ++ s0->tb0 != s1->tb0 || ++ s0->tb1 != s1->tb1 || ++ s0->tb2 != s1->tb2 || ++ s0->tb3 != s1->tb3 || ++ s0->tb4 != s1->tb4 || ++ s0->tb5 != s1->tb5 || ++ s0->tb6 != s1->tb6 || ++ s0->tb7 != s1->tb7 || + s0->ecc1[0] != s1->ecc1[0] || + s0->ecc1[1] != s1->ecc1[1] || + s0->ecc1[2] != s1->ecc1[2] || +@@ -398,53 +396,53 @@ static int yaffs_VerifyCompare(const __u + } + #endif /* NOTYET */ + +-int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device *dev, +- int chunkInNAND, ++int yaffs_tags_compat_wr(yaffs_dev_t *dev, ++ int nand_chunk, + const __u8 *data, +- const yaffs_ExtendedTags *eTags) ++ const yaffs_ext_tags *eTags) + { +- yaffs_Spare spare; +- yaffs_Tags tags; ++ yaffs_spare spare; ++ yaffs_tags_t tags; + +- yaffs_SpareInitialise(&spare); ++ yaffs_spare_init(&spare); + +- if (eTags->chunkDeleted) +- spare.pageStatus = 0; ++ if (eTags->is_deleted) ++ spare.page_status = 0; + else { +- tags.objectId = eTags->objectId; +- tags.chunkId = eTags->chunkId; ++ tags.obj_id = eTags->obj_id; ++ tags.chunk_id = eTags->chunk_id; + +- tags.byteCountLSB = eTags->byteCount & 0x3ff; ++ tags.n_bytes_lsb = eTags->n_bytes & 0x3ff; + +- if (dev->nDataBytesPerChunk >= 1024) +- tags.byteCountMSB = (eTags->byteCount >> 10) & 3; ++ if (dev->data_bytes_per_chunk >= 1024) ++ tags.n_bytes_msb = (eTags->n_bytes >> 10) & 3; + else +- tags.byteCountMSB = 3; ++ tags.n_bytes_msb = 3; + + +- tags.serialNumber = eTags->serialNumber; ++ tags.serial_number = eTags->serial_number; + +- if (!dev->useNANDECC && data) +- yaffs_CalcECC(data, &spare); ++ if (!dev->param.use_nand_ecc && data) ++ yaffs_calc_ecc(data, &spare); + +- yaffs_LoadTagsIntoSpare(&spare, &tags); ++ yaffs_load_tags_to_spare(&spare, &tags); + + } + +- return yaffs_WriteChunkToNAND(dev, chunkInNAND, data, &spare); ++ return yaffs_wr_nand(dev, nand_chunk, data, &spare); + } + +-int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device *dev, +- int chunkInNAND, ++int yaffs_tags_compat_rd(yaffs_dev_t *dev, ++ int nand_chunk, + __u8 *data, +- yaffs_ExtendedTags *eTags) ++ yaffs_ext_tags *eTags) + { + +- yaffs_Spare spare; +- yaffs_Tags tags; +- yaffs_ECCResult eccResult = YAFFS_ECC_RESULT_UNKNOWN; ++ yaffs_spare spare; ++ yaffs_tags_t tags; ++ yaffs_ecc_result ecc_result = YAFFS_ECC_RESULT_UNKNOWN; + +- static yaffs_Spare spareFF; ++ static yaffs_spare spareFF; + static int init; + + if (!init) { +@@ -452,33 +450,33 @@ int yaffs_TagsCompatabilityReadChunkWith + init = 1; + } + +- if (yaffs_ReadChunkFromNAND +- (dev, chunkInNAND, data, &spare, &eccResult, 1)) { ++ if (yaffs_rd_chunk_nand ++ (dev, nand_chunk, data, &spare, &ecc_result, 1)) { + /* eTags may be NULL */ + if (eTags) { + + int deleted = +- (yaffs_CountBits(spare.pageStatus) < 7) ? 1 : 0; ++ (yaffs_count_bits(spare.page_status) < 7) ? 1 : 0; + +- eTags->chunkDeleted = deleted; +- eTags->eccResult = eccResult; +- eTags->blockBad = 0; /* We're reading it */ ++ eTags->is_deleted = deleted; ++ eTags->ecc_result = ecc_result; ++ eTags->block_bad = 0; /* We're reading it */ + /* therefore it is not a bad block */ +- eTags->chunkUsed = ++ eTags->chunk_used = + (memcmp(&spareFF, &spare, sizeof(spareFF)) != + 0) ? 1 : 0; + +- if (eTags->chunkUsed) { +- yaffs_GetTagsFromSpare(dev, &spare, &tags); ++ if (eTags->chunk_used) { ++ yaffs_get_tags_from_spare(dev, &spare, &tags); + +- eTags->objectId = tags.objectId; +- eTags->chunkId = tags.chunkId; +- eTags->byteCount = tags.byteCountLSB; ++ eTags->obj_id = tags.obj_id; ++ eTags->chunk_id = tags.chunk_id; ++ eTags->n_bytes = tags.n_bytes_lsb; + +- if (dev->nDataBytesPerChunk >= 1024) +- eTags->byteCount |= (((unsigned) tags.byteCountMSB) << 10); ++ if (dev->data_bytes_per_chunk >= 1024) ++ eTags->n_bytes |= (((unsigned) tags.n_bytes_msb) << 10); + +- eTags->serialNumber = tags.serialNumber; ++ eTags->serial_number = tags.serial_number; + } + } + +@@ -488,49 +486,49 @@ int yaffs_TagsCompatabilityReadChunkWith + } + } + +-int yaffs_TagsCompatabilityMarkNANDBlockBad(struct yaffs_DeviceStruct *dev, +- int blockInNAND) ++int yaffs_tags_compat_mark_bad(struct yaffs_dev_s *dev, ++ int flash_block) + { + +- yaffs_Spare spare; ++ yaffs_spare spare; + +- memset(&spare, 0xff, sizeof(yaffs_Spare)); ++ memset(&spare, 0xff, sizeof(yaffs_spare)); + +- spare.blockStatus = 'Y'; ++ spare.block_status = 'Y'; + +- yaffs_WriteChunkToNAND(dev, blockInNAND * dev->nChunksPerBlock, NULL, ++ yaffs_wr_nand(dev, flash_block * dev->param.chunks_per_block, NULL, + &spare); +- yaffs_WriteChunkToNAND(dev, blockInNAND * dev->nChunksPerBlock + 1, ++ yaffs_wr_nand(dev, flash_block * dev->param.chunks_per_block + 1, + NULL, &spare); + + return YAFFS_OK; + + } + +-int yaffs_TagsCompatabilityQueryNANDBlock(struct yaffs_DeviceStruct *dev, +- int blockNo, +- yaffs_BlockState *state, +- __u32 *sequenceNumber) ++int yaffs_tags_compat_query_block(struct yaffs_dev_s *dev, ++ int block_no, ++ yaffs_block_state_t *state, ++ __u32 *seq_number) + { + +- yaffs_Spare spare0, spare1; +- static yaffs_Spare spareFF; ++ yaffs_spare spare0, spare1; ++ static yaffs_spare spareFF; + static int init; +- yaffs_ECCResult dummy; ++ yaffs_ecc_result dummy; + + if (!init) { + memset(&spareFF, 0xFF, sizeof(spareFF)); + init = 1; + } + +- *sequenceNumber = 0; ++ *seq_number = 0; + +- yaffs_ReadChunkFromNAND(dev, blockNo * dev->nChunksPerBlock, NULL, ++ yaffs_rd_chunk_nand(dev, block_no * dev->param.chunks_per_block, NULL, + &spare0, &dummy, 1); +- yaffs_ReadChunkFromNAND(dev, blockNo * dev->nChunksPerBlock + 1, NULL, ++ yaffs_rd_chunk_nand(dev, block_no * dev->param.chunks_per_block + 1, NULL, + &spare1, &dummy, 1); + +- if (yaffs_CountBits(spare0.blockStatus & spare1.blockStatus) < 7) ++ if (yaffs_count_bits(spare0.block_status & spare1.block_status) < 7) + *state = YAFFS_BLOCK_STATE_DEAD; + else if (memcmp(&spareFF, &spare0, sizeof(spareFF)) == 0) + *state = YAFFS_BLOCK_STATE_EMPTY; +--- a/fs/yaffs2/yaffs_tagscompat.h ++++ b/fs/yaffs2/yaffs_tagscompat.h +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -17,23 +17,23 @@ + #define __YAFFS_TAGSCOMPAT_H__ + + #include "yaffs_guts.h" +-int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device *dev, +- int chunkInNAND, ++int yaffs_tags_compat_wr(yaffs_dev_t *dev, ++ int nand_chunk, + const __u8 *data, +- const yaffs_ExtendedTags *tags); +-int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device *dev, +- int chunkInNAND, ++ const yaffs_ext_tags *tags); ++int yaffs_tags_compat_rd(yaffs_dev_t *dev, ++ int nand_chunk, + __u8 *data, +- yaffs_ExtendedTags *tags); +-int yaffs_TagsCompatabilityMarkNANDBlockBad(struct yaffs_DeviceStruct *dev, +- int blockNo); +-int yaffs_TagsCompatabilityQueryNANDBlock(struct yaffs_DeviceStruct *dev, +- int blockNo, +- yaffs_BlockState *state, +- __u32 *sequenceNumber); ++ yaffs_ext_tags *tags); ++int yaffs_tags_compat_mark_bad(struct yaffs_dev_s *dev, ++ int block_no); ++int yaffs_tags_compat_query_block(struct yaffs_dev_s *dev, ++ int block_no, ++ yaffs_block_state_t *state, ++ __u32 *seq_number); + +-void yaffs_CalcTagsECC(yaffs_Tags *tags); +-int yaffs_CheckECCOnTags(yaffs_Tags *tags); +-int yaffs_CountBits(__u8 byte); ++void yaffs_calc_tags_ecc(yaffs_tags_t *tags); ++int yaffs_check_tags_ecc(yaffs_tags_t *tags); ++int yaffs_count_bits(__u8 byte); + + #endif +--- a/fs/yaffs2/yaffs_tagsvalidity.c ++++ b/fs/yaffs2/yaffs_tagsvalidity.c +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -13,16 +13,16 @@ + + #include "yaffs_tagsvalidity.h" + +-void yaffs_InitialiseTags(yaffs_ExtendedTags *tags) ++void yaffs_init_tags(yaffs_ext_tags *tags) + { +- memset(tags, 0, sizeof(yaffs_ExtendedTags)); +- tags->validMarker0 = 0xAAAAAAAA; +- tags->validMarker1 = 0x55555555; ++ memset(tags, 0, sizeof(yaffs_ext_tags)); ++ tags->validity1 = 0xAAAAAAAA; ++ tags->validty1 = 0x55555555; + } + +-int yaffs_ValidateTags(yaffs_ExtendedTags *tags) ++int yaffs_validate_tags(yaffs_ext_tags *tags) + { +- return (tags->validMarker0 == 0xAAAAAAAA && +- tags->validMarker1 == 0x55555555); ++ return (tags->validity1 == 0xAAAAAAAA && ++ tags->validty1 == 0x55555555); + + } +--- a/fs/yaffs2/yaffs_tagsvalidity.h ++++ b/fs/yaffs2/yaffs_tagsvalidity.h +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -19,6 +19,6 @@ + + #include "yaffs_guts.h" + +-void yaffs_InitialiseTags(yaffs_ExtendedTags *tags); +-int yaffs_ValidateTags(yaffs_ExtendedTags *tags); ++void yaffs_init_tags(yaffs_ext_tags *tags); ++int yaffs_validate_tags(yaffs_ext_tags *tags); + #endif +--- /dev/null ++++ b/fs/yaffs2/yaffs_trace.h +@@ -0,0 +1,60 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2010 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning <charles@aleph1.co.uk> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++ ++#ifndef __YTRACE_H__ ++#define __YTRACE_H__ ++ ++extern unsigned int yaffs_trace_mask; ++extern unsigned int yaffs_wr_attempts; ++ ++/* ++ * Tracing flags. ++ * The flags masked in YAFFS_TRACE_ALWAYS are always traced. ++ */ ++ ++#define YAFFS_TRACE_OS 0x00000002 ++#define YAFFS_TRACE_ALLOCATE 0x00000004 ++#define YAFFS_TRACE_SCAN 0x00000008 ++#define YAFFS_TRACE_BAD_BLOCKS 0x00000010 ++#define YAFFS_TRACE_ERASE 0x00000020 ++#define YAFFS_TRACE_GC 0x00000040 ++#define YAFFS_TRACE_WRITE 0x00000080 ++#define YAFFS_TRACE_TRACING 0x00000100 ++#define YAFFS_TRACE_DELETION 0x00000200 ++#define YAFFS_TRACE_BUFFERS 0x00000400 ++#define YAFFS_TRACE_NANDACCESS 0x00000800 ++#define YAFFS_TRACE_GC_DETAIL 0x00001000 ++#define YAFFS_TRACE_SCAN_DEBUG 0x00002000 ++#define YAFFS_TRACE_MTD 0x00004000 ++#define YAFFS_TRACE_CHECKPOINT 0x00008000 ++ ++#define YAFFS_TRACE_VERIFY 0x00010000 ++#define YAFFS_TRACE_VERIFY_NAND 0x00020000 ++#define YAFFS_TRACE_VERIFY_FULL 0x00040000 ++#define YAFFS_TRACE_VERIFY_ALL 0x000F0000 ++ ++#define YAFFS_TRACE_SYNC 0x00100000 ++#define YAFFS_TRACE_BACKGROUND 0x00200000 ++#define YAFFS_TRACE_LOCK 0x00400000 ++ ++#define YAFFS_TRACE_ERROR 0x40000000 ++#define YAFFS_TRACE_BUG 0x80000000 ++#define YAFFS_TRACE_ALWAYS 0xF0000000 ++ ++ ++#define T(mask, p) do { if ((mask) & (yaffs_trace_mask | YAFFS_TRACE_ALWAYS)) TOUT(p); } while (0) ++ ++#endif +--- /dev/null ++++ b/fs/yaffs2/yaffs_verify.c +@@ -0,0 +1,626 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2010 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning <charles@aleph1.co.uk> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++ ++#include "yaffs_verify.h" ++#include "yaffs_trace.h" ++#include "yaffs_bitmap.h" ++#include "yaffs_getblockinfo.h" ++#include "yaffs_nand.h" ++ ++int yaffs_skip_verification(yaffs_dev_t *dev) ++{ ++ dev=dev; ++ return !(yaffs_trace_mask & (YAFFS_TRACE_VERIFY | YAFFS_TRACE_VERIFY_FULL)); ++} ++ ++static int yaffs_skip_full_verification(yaffs_dev_t *dev) ++{ ++ dev=dev; ++ return !(yaffs_trace_mask & (YAFFS_TRACE_VERIFY_FULL)); ++} ++ ++static int yaffs_skip_nand_verification(yaffs_dev_t *dev) ++{ ++ dev=dev; ++ return !(yaffs_trace_mask & (YAFFS_TRACE_VERIFY_NAND)); ++} ++ ++ ++static const char *block_stateName[] = { ++"Unknown", ++"Needs scanning", ++"Scanning", ++"Empty", ++"Allocating", ++"Full", ++"Dirty", ++"Checkpoint", ++"Collecting", ++"Dead" ++}; ++ ++ ++void yaffs_verify_blk(yaffs_dev_t *dev, yaffs_block_info_t *bi, int n) ++{ ++ int actuallyUsed; ++ int inUse; ++ ++ if (yaffs_skip_verification(dev)) ++ return; ++ ++ /* Report illegal runtime states */ ++ if (bi->block_state >= YAFFS_NUMBER_OF_BLOCK_STATES) ++ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has undefined state %d"TENDSTR), n, bi->block_state)); ++ ++ switch (bi->block_state) { ++ case YAFFS_BLOCK_STATE_UNKNOWN: ++ case YAFFS_BLOCK_STATE_SCANNING: ++ case YAFFS_BLOCK_STATE_NEEDS_SCANNING: ++ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has bad run-state %s"TENDSTR), ++ n, block_stateName[bi->block_state])); ++ } ++ ++ /* Check pages in use and soft deletions are legal */ ++ ++ actuallyUsed = bi->pages_in_use - bi->soft_del_pages; ++ ++ if (bi->pages_in_use < 0 || bi->pages_in_use > dev->param.chunks_per_block || ++ bi->soft_del_pages < 0 || bi->soft_del_pages > dev->param.chunks_per_block || ++ actuallyUsed < 0 || actuallyUsed > dev->param.chunks_per_block) ++ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has illegal values pages_in_used %d soft_del_pages %d"TENDSTR), ++ n, bi->pages_in_use, bi->soft_del_pages)); ++ ++ ++ /* Check chunk bitmap legal */ ++ inUse = yaffs_count_chunk_bits(dev, n); ++ if (inUse != bi->pages_in_use) ++ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has inconsistent values pages_in_use %d counted chunk bits %d"TENDSTR), ++ n, bi->pages_in_use, inUse)); ++ ++} ++ ++ ++ ++void yaffs_verify_collected_blk(yaffs_dev_t *dev, yaffs_block_info_t *bi, int n) ++{ ++ yaffs_verify_blk(dev, bi, n); ++ ++ /* After collection the block should be in the erased state */ ++ ++ if (bi->block_state != YAFFS_BLOCK_STATE_COLLECTING && ++ bi->block_state != YAFFS_BLOCK_STATE_EMPTY) { ++ T(YAFFS_TRACE_ERROR, (TSTR("Block %d is in state %d after gc, should be erased"TENDSTR), ++ n, bi->block_state)); ++ } ++} ++ ++void yaffs_verify_blocks(yaffs_dev_t *dev) ++{ ++ int i; ++ int nBlocksPerState[YAFFS_NUMBER_OF_BLOCK_STATES]; ++ int nIllegalBlockStates = 0; ++ ++ if (yaffs_skip_verification(dev)) ++ return; ++ ++ memset(nBlocksPerState, 0, sizeof(nBlocksPerState)); ++ ++ for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) { ++ yaffs_block_info_t *bi = yaffs_get_block_info(dev, i); ++ yaffs_verify_blk(dev, bi, i); ++ ++ if (bi->block_state < YAFFS_NUMBER_OF_BLOCK_STATES) ++ nBlocksPerState[bi->block_state]++; ++ else ++ nIllegalBlockStates++; ++ } ++ ++ T(YAFFS_TRACE_VERIFY, (TSTR(""TENDSTR))); ++ T(YAFFS_TRACE_VERIFY, (TSTR("Block summary"TENDSTR))); ++ ++ T(YAFFS_TRACE_VERIFY, (TSTR("%d blocks have illegal states"TENDSTR), nIllegalBlockStates)); ++ if (nBlocksPerState[YAFFS_BLOCK_STATE_ALLOCATING] > 1) ++ T(YAFFS_TRACE_VERIFY, (TSTR("Too many allocating blocks"TENDSTR))); ++ ++ for (i = 0; i < YAFFS_NUMBER_OF_BLOCK_STATES; i++) ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("%s %d blocks"TENDSTR), ++ block_stateName[i], nBlocksPerState[i])); ++ ++ if (dev->blocks_in_checkpt != nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT]) ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Checkpoint block count wrong dev %d count %d"TENDSTR), ++ dev->blocks_in_checkpt, nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT])); ++ ++ if (dev->n_erased_blocks != nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY]) ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Erased block count wrong dev %d count %d"TENDSTR), ++ dev->n_erased_blocks, nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY])); ++ ++ if (nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING] > 1) ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Too many collecting blocks %d (max is 1)"TENDSTR), ++ nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING])); ++ ++ T(YAFFS_TRACE_VERIFY, (TSTR(""TENDSTR))); ++ ++} ++ ++/* ++ * Verify the object header. oh must be valid, but obj and tags may be NULL in which ++ * case those tests will not be performed. ++ */ ++void yaffs_verify_oh(yaffs_obj_t *obj, yaffs_obj_header *oh, yaffs_ext_tags *tags, int parentCheck) ++{ ++ if (obj && yaffs_skip_verification(obj->my_dev)) ++ return; ++ ++ if (!(tags && obj && oh)) { ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Verifying object header tags %p obj %p oh %p"TENDSTR), ++ tags, obj, oh)); ++ return; ++ } ++ ++ if (oh->type <= YAFFS_OBJECT_TYPE_UNKNOWN || ++ oh->type > YAFFS_OBJECT_TYPE_MAX) ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Obj %d header type is illegal value 0x%x"TENDSTR), ++ tags->obj_id, oh->type)); ++ ++ if (tags->obj_id != obj->obj_id) ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Obj %d header mismatch obj_id %d"TENDSTR), ++ tags->obj_id, obj->obj_id)); ++ ++ ++ /* ++ * Check that the object's parent ids match if parentCheck requested. ++ * ++ * Tests do not apply to the root object. ++ */ ++ ++ if (parentCheck && tags->obj_id > 1 && !obj->parent) ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Obj %d header mismatch parent_id %d obj->parent is NULL"TENDSTR), ++ tags->obj_id, oh->parent_obj_id)); ++ ++ if (parentCheck && obj->parent && ++ oh->parent_obj_id != obj->parent->obj_id && ++ (oh->parent_obj_id != YAFFS_OBJECTID_UNLINKED || ++ obj->parent->obj_id != YAFFS_OBJECTID_DELETED)) ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Obj %d header mismatch parent_id %d parent_obj_id %d"TENDSTR), ++ tags->obj_id, oh->parent_obj_id, obj->parent->obj_id)); ++ ++ if (tags->obj_id > 1 && oh->name[0] == 0) /* Null name */ ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Obj %d header name is NULL"TENDSTR), ++ obj->obj_id)); ++ ++ if (tags->obj_id > 1 && ((__u8)(oh->name[0])) == 0xff) /* Trashed name */ ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Obj %d header name is 0xFF"TENDSTR), ++ obj->obj_id)); ++} ++ ++ ++#if 0 ++/* Not being used, but don't want to throw away yet */ ++int yaffs_verify_tnode_worker(yaffs_obj_t *obj, yaffs_tnode_t *tn, ++ __u32 level, int chunk_offset) ++{ ++ int i; ++ yaffs_dev_t *dev = obj->my_dev; ++ int ok = 1; ++ ++ if (tn) { ++ if (level > 0) { ++ ++ for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++) { ++ if (tn->internal[i]) { ++ ok = yaffs_verify_tnode_worker(obj, ++ tn->internal[i], ++ level - 1, ++ (chunk_offset<<YAFFS_TNODES_INTERNAL_BITS) + i); ++ } ++ } ++ } else if (level == 0) { ++ yaffs_ext_tags tags; ++ __u32 obj_id = obj->obj_id; ++ ++ chunk_offset <<= YAFFS_TNODES_LEVEL0_BITS; ++ ++ for (i = 0; i < YAFFS_NTNODES_LEVEL0; i++) { ++ __u32 theChunk = yaffs_get_group_base(dev, tn, i); ++ ++ if (theChunk > 0) { ++ /* T(~0,(TSTR("verifying (%d:%d) %d"TENDSTR),tags.obj_id,tags.chunk_id,theChunk)); */ ++ yaffs_rd_chunk_tags_nand(dev, theChunk, NULL, &tags); ++ if (tags.obj_id != obj_id || tags.chunk_id != chunk_offset) { ++ T(~0, (TSTR("Object %d chunk_id %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR), ++ obj_id, chunk_offset, theChunk, ++ tags.obj_id, tags.chunk_id)); ++ } ++ } ++ chunk_offset++; ++ } ++ } ++ } ++ ++ return ok; ++ ++} ++ ++#endif ++ ++void yaffs_verify_file(yaffs_obj_t *obj) ++{ ++ int requiredTallness; ++ int actualTallness; ++ __u32 lastChunk; ++ __u32 x; ++ __u32 i; ++ yaffs_dev_t *dev; ++ yaffs_ext_tags tags; ++ yaffs_tnode_t *tn; ++ __u32 obj_id; ++ ++ if (!obj) ++ return; ++ ++ if (yaffs_skip_verification(obj->my_dev)) ++ return; ++ ++ dev = obj->my_dev; ++ obj_id = obj->obj_id; ++ ++ /* Check file size is consistent with tnode depth */ ++ lastChunk = obj->variant.file_variant.file_size / dev->data_bytes_per_chunk + 1; ++ x = lastChunk >> YAFFS_TNODES_LEVEL0_BITS; ++ requiredTallness = 0; ++ while (x > 0) { ++ x >>= YAFFS_TNODES_INTERNAL_BITS; ++ requiredTallness++; ++ } ++ ++ actualTallness = obj->variant.file_variant.top_level; ++ ++ /* Check that the chunks in the tnode tree are all correct. ++ * We do this by scanning through the tnode tree and ++ * checking the tags for every chunk match. ++ */ ++ ++ if (yaffs_skip_nand_verification(dev)) ++ return; ++ ++ for (i = 1; i <= lastChunk; i++) { ++ tn = yaffs_find_tnode_0(dev, &obj->variant.file_variant, i); ++ ++ if (tn) { ++ __u32 theChunk = yaffs_get_group_base(dev, tn, i); ++ if (theChunk > 0) { ++ /* T(~0,(TSTR("verifying (%d:%d) %d"TENDSTR),obj_id,i,theChunk)); */ ++ yaffs_rd_chunk_tags_nand(dev, theChunk, NULL, &tags); ++ if (tags.obj_id != obj_id || tags.chunk_id != i) { ++ T(~0, (TSTR("Object %d chunk_id %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR), ++ obj_id, i, theChunk, ++ tags.obj_id, tags.chunk_id)); ++ } ++ } ++ } ++ } ++} ++ ++ ++void yaffs_verify_link(yaffs_obj_t *obj) ++{ ++ if (obj && yaffs_skip_verification(obj->my_dev)) ++ return; ++ ++ /* Verify sane equivalent object */ ++} ++ ++void yaffs_verify_symlink(yaffs_obj_t *obj) ++{ ++ if (obj && yaffs_skip_verification(obj->my_dev)) ++ return; ++ ++ /* Verify symlink string */ ++} ++ ++void yaffs_verify_special(yaffs_obj_t *obj) ++{ ++ if (obj && yaffs_skip_verification(obj->my_dev)) ++ return; ++} ++ ++void yaffs_verify_obj(yaffs_obj_t *obj) ++{ ++ yaffs_dev_t *dev; ++ ++ __u32 chunkMin; ++ __u32 chunkMax; ++ ++ __u32 chunk_idOk; ++ __u32 chunkInRange; ++ __u32 chunkShouldNotBeDeleted; ++ __u32 chunkValid; ++ ++ if (!obj) ++ return; ++ ++ if (obj->being_created) ++ return; ++ ++ dev = obj->my_dev; ++ ++ if (yaffs_skip_verification(dev)) ++ return; ++ ++ /* Check sane object header chunk */ ++ ++ chunkMin = dev->internal_start_block * dev->param.chunks_per_block; ++ chunkMax = (dev->internal_end_block+1) * dev->param.chunks_per_block - 1; ++ ++ chunkInRange = (((unsigned)(obj->hdr_chunk)) >= chunkMin && ((unsigned)(obj->hdr_chunk)) <= chunkMax); ++ chunk_idOk = chunkInRange || (obj->hdr_chunk == 0); ++ chunkValid = chunkInRange && ++ yaffs_check_chunk_bit(dev, ++ obj->hdr_chunk / dev->param.chunks_per_block, ++ obj->hdr_chunk % dev->param.chunks_per_block); ++ chunkShouldNotBeDeleted = chunkInRange && !chunkValid; ++ ++ if (!obj->fake && ++ (!chunk_idOk || chunkShouldNotBeDeleted)) { ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Obj %d has chunk_id %d %s %s"TENDSTR), ++ obj->obj_id, obj->hdr_chunk, ++ chunk_idOk ? "" : ",out of range", ++ chunkShouldNotBeDeleted ? ",marked as deleted" : "")); ++ } ++ ++ if (chunkValid && !yaffs_skip_nand_verification(dev)) { ++ yaffs_ext_tags tags; ++ yaffs_obj_header *oh; ++ __u8 *buffer = yaffs_get_temp_buffer(dev, __LINE__); ++ ++ oh = (yaffs_obj_header *)buffer; ++ ++ yaffs_rd_chunk_tags_nand(dev, obj->hdr_chunk, buffer, ++ &tags); ++ ++ yaffs_verify_oh(obj, oh, &tags, 1); ++ ++ yaffs_release_temp_buffer(dev, buffer, __LINE__); ++ } ++ ++ /* Verify it has a parent */ ++ if (obj && !obj->fake && ++ (!obj->parent || obj->parent->my_dev != dev)) { ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Obj %d has parent pointer %p which does not look like an object"TENDSTR), ++ obj->obj_id, obj->parent)); ++ } ++ ++ /* Verify parent is a directory */ ++ if (obj->parent && obj->parent->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Obj %d's parent is not a directory (type %d)"TENDSTR), ++ obj->obj_id, obj->parent->variant_type)); ++ } ++ ++ switch (obj->variant_type) { ++ case YAFFS_OBJECT_TYPE_FILE: ++ yaffs_verify_file(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ yaffs_verify_symlink(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_DIRECTORY: ++ yaffs_verify_dir(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_HARDLINK: ++ yaffs_verify_link(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_SPECIAL: ++ yaffs_verify_special(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_UNKNOWN: ++ default: ++ T(YAFFS_TRACE_VERIFY, ++ (TSTR("Obj %d has illegaltype %d"TENDSTR), ++ obj->obj_id, obj->variant_type)); ++ break; ++ } ++} ++ ++void yaffs_verify_objects(yaffs_dev_t *dev) ++{ ++ yaffs_obj_t *obj; ++ int i; ++ struct ylist_head *lh; ++ ++ if (yaffs_skip_verification(dev)) ++ return; ++ ++ /* Iterate through the objects in each hash entry */ ++ ++ for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) { ++ ylist_for_each(lh, &dev->obj_bucket[i].list) { ++ if (lh) { ++ obj = ylist_entry(lh, yaffs_obj_t, hash_link); ++ yaffs_verify_obj(obj); ++ } ++ } ++ } ++} ++ ++ ++void yaffs_verify_obj_in_dir(yaffs_obj_t *obj) ++{ ++ struct ylist_head *lh; ++ yaffs_obj_t *listObj; ++ ++ int count = 0; ++ ++ if (!obj) { ++ T(YAFFS_TRACE_ALWAYS, (TSTR("No object to verify" TENDSTR))); ++ YBUG(); ++ return; ++ } ++ ++ if (yaffs_skip_verification(obj->my_dev)) ++ return; ++ ++ if (!obj->parent) { ++ T(YAFFS_TRACE_ALWAYS, (TSTR("Object does not have parent" TENDSTR))); ++ YBUG(); ++ return; ++ } ++ ++ if (obj->parent->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { ++ T(YAFFS_TRACE_ALWAYS, (TSTR("Parent is not directory" TENDSTR))); ++ YBUG(); ++ } ++ ++ /* Iterate through the objects in each hash entry */ ++ ++ ylist_for_each(lh, &obj->parent->variant.dir_variant.children) { ++ if (lh) { ++ listObj = ylist_entry(lh, yaffs_obj_t, siblings); ++ yaffs_verify_obj(listObj); ++ if (obj == listObj) ++ count++; ++ } ++ } ++ ++ if (count != 1) { ++ T(YAFFS_TRACE_ALWAYS, (TSTR("Object in directory %d times" TENDSTR), count)); ++ YBUG(); ++ } ++} ++ ++void yaffs_verify_dir(yaffs_obj_t *directory) ++{ ++ struct ylist_head *lh; ++ yaffs_obj_t *listObj; ++ ++ if (!directory) { ++ YBUG(); ++ return; ++ } ++ ++ if (yaffs_skip_full_verification(directory->my_dev)) ++ return; ++ ++ if (directory->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { ++ T(YAFFS_TRACE_ALWAYS, (TSTR("Directory has wrong type: %d" TENDSTR), directory->variant_type)); ++ YBUG(); ++ } ++ ++ /* Iterate through the objects in each hash entry */ ++ ++ ylist_for_each(lh, &directory->variant.dir_variant.children) { ++ if (lh) { ++ listObj = ylist_entry(lh, yaffs_obj_t, siblings); ++ if (listObj->parent != directory) { ++ T(YAFFS_TRACE_ALWAYS, (TSTR("Object in directory list has wrong parent %p" TENDSTR), listObj->parent)); ++ YBUG(); ++ } ++ yaffs_verify_obj_in_dir(listObj); ++ } ++ } ++} ++ ++static int yaffs_free_verification_failures; ++ ++void yaffs_verify_free_chunks(yaffs_dev_t *dev) ++{ ++ int counted; ++ int difference; ++ ++ if (yaffs_skip_verification(dev)) ++ return; ++ ++ counted = yaffs_count_free_chunks(dev); ++ ++ difference = dev->n_free_chunks - counted; ++ ++ if (difference) { ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR("Freechunks verification failure %d %d %d" TENDSTR), ++ dev->n_free_chunks, counted, difference)); ++ yaffs_free_verification_failures++; ++ } ++} ++ ++int yaffs_verify_file_sane(yaffs_obj_t *in) ++{ ++#if 0 ++ int chunk; ++ int n_chunks; ++ int fSize; ++ int failed = 0; ++ int obj_id; ++ yaffs_tnode_t *tn; ++ yaffs_tags_t localTags; ++ yaffs_tags_t *tags = &localTags; ++ int theChunk; ++ int is_deleted; ++ ++ if (in->variant_type != YAFFS_OBJECT_TYPE_FILE) ++ return YAFFS_FAIL; ++ ++ obj_id = in->obj_id; ++ fSize = in->variant.file_variant.file_size; ++ n_chunks = ++ (fSize + in->my_dev->data_bytes_per_chunk - 1) / in->my_dev->data_bytes_per_chunk; ++ ++ for (chunk = 1; chunk <= n_chunks; chunk++) { ++ tn = yaffs_find_tnode_0(in->my_dev, &in->variant.file_variant, ++ chunk); ++ ++ if (tn) { ++ ++ theChunk = yaffs_get_group_base(dev, tn, chunk); ++ ++ if (yaffs_check_chunk_bits ++ (dev, theChunk / dev->param.chunks_per_block, ++ theChunk % dev->param.chunks_per_block)) { ++ ++ yaffs_rd_chunk_tags_nand(in->my_dev, theChunk, ++ tags, ++ &is_deleted); ++ if (yaffs_tags_match ++ (tags, in->obj_id, chunk, is_deleted)) { ++ /* found it; */ ++ ++ } ++ } else { ++ ++ failed = 1; ++ } ++ ++ } else { ++ /* T(("No level 0 found for %d\n", chunk)); */ ++ } ++ } ++ ++ return failed ? YAFFS_FAIL : YAFFS_OK; ++#else ++ in=in; ++ return YAFFS_OK; ++#endif ++} +--- /dev/null ++++ b/fs/yaffs2/yaffs_verify.h +@@ -0,0 +1,39 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2010 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning <charles@aleph1.co.uk> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#ifndef __YAFFS_VERIFY_H__ ++#define __YAFFS_VERIFY_H__ ++ ++#include "yaffs_guts.h" ++ ++void yaffs_verify_blk(yaffs_dev_t *dev, yaffs_block_info_t *bi, int n); ++void yaffs_verify_collected_blk(yaffs_dev_t *dev, yaffs_block_info_t *bi, int n); ++void yaffs_verify_blocks(yaffs_dev_t *dev); ++ ++void yaffs_verify_oh(yaffs_obj_t *obj, yaffs_obj_header *oh, yaffs_ext_tags *tags, int parentCheck); ++void yaffs_verify_file(yaffs_obj_t *obj); ++void yaffs_verify_link(yaffs_obj_t *obj); ++void yaffs_verify_symlink(yaffs_obj_t *obj); ++void yaffs_verify_special(yaffs_obj_t *obj); ++void yaffs_verify_obj(yaffs_obj_t *obj); ++void yaffs_verify_objects(yaffs_dev_t *dev); ++void yaffs_verify_obj_in_dir(yaffs_obj_t *obj); ++void yaffs_verify_dir(yaffs_obj_t *directory); ++void yaffs_verify_free_chunks(yaffs_dev_t *dev); ++ ++int yaffs_verify_file_sane(yaffs_obj_t *obj); ++ ++int yaffs_skip_verification(yaffs_dev_t *dev); ++ ++#endif ++ +--- /dev/null ++++ b/fs/yaffs2/yaffs_vfs_glue.c +@@ -0,0 +1,3576 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2010 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning <charles@aleph1.co.uk> ++ * Acknowledgements: ++ * Luc van OostenRyck for numerous patches. ++ * Nick Bane for numerous patches. ++ * Nick Bane for 2.5/2.6 integration. ++ * Andras Toth for mknod rdev issue. ++ * Michael Fischer for finding the problem with inode inconsistency. ++ * Some code bodily lifted from JFFS ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++/* ++ * ++ * This is the file system front-end to YAFFS that hooks it up to ++ * the VFS. ++ * ++ * Special notes: ++ * >> 2.4: sb->u.generic_sbp points to the yaffs_dev_t associated with ++ * this superblock ++ * >> 2.6: sb->s_fs_info points to the yaffs_dev_t associated with this ++ * superblock ++ * >> inode->u.generic_ip points to the associated yaffs_obj_t. ++ */ ++ ++/* ++ * There are two variants of the VFS glue code. This variant should compile ++ * for any version of Linux. ++ */ ++#include <linux/version.h> ++ ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 10)) ++#define YAFFS_COMPILE_BACKGROUND ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6, 23)) ++#define YAFFS_COMPILE_FREEZER ++#endif ++#endif ++ ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28)) ++#define YAFFS_COMPILE_EXPORTFS ++#endif ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35)) ++#define YAFFS_USE_SETATTR_COPY ++#define YAFFS_USE_TRUNCATE_SETSIZE ++#endif ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35)) ++#define YAFFS_HAS_EVICT_INODE ++#endif ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13)) ++#define YAFFS_NEW_FOLLOW_LINK 1 ++#else ++#define YAFFS_NEW_FOLLOW_LINK 0 ++#endif ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)) ++#include <linux/config.h> ++#endif ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/slab.h> ++#include <linux/init.h> ++#include <linux/fs.h> ++#include <linux/proc_fs.h> ++#include <linux/smp_lock.h> ++#include <linux/pagemap.h> ++#include <linux/mtd/mtd.h> ++#include <linux/interrupt.h> ++#include <linux/string.h> ++#include <linux/ctype.h> ++ ++#if (YAFFS_NEW_FOLLOW_LINK == 1) ++#include <linux/namei.h> ++#endif ++ ++#ifdef YAFFS_COMPILE_EXPORTFS ++#include <linux/exportfs.h> ++#endif ++ ++#ifdef YAFFS_COMPILE_BACKGROUND ++#include <linux/kthread.h> ++#include <linux/delay.h> ++#endif ++#ifdef YAFFS_COMPILE_FREEZER ++#include <linux/freezer.h> ++#endif ++ ++#include <asm/div64.h> ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++ ++#include <linux/statfs.h> ++ ++#define UnlockPage(p) unlock_page(p) ++#define Page_Uptodate(page) test_bit(PG_uptodate, &(page)->flags) ++ ++/* FIXME: use sb->s_id instead ? */ ++#define yaffs_devname(sb, buf) bdevname(sb->s_bdev, buf) ++ ++#else ++ ++#include <linux/locks.h> ++#define BDEVNAME_SIZE 0 ++#define yaffs_devname(sb, buf) kdevname(sb->s_dev) ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0)) ++/* added NCB 26/5/2006 for 2.4.25-vrs2-tcl1 kernel */ ++#define __user ++#endif ++ ++#endif ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26)) ++#define YPROC_ROOT (&proc_root) ++#else ++#define YPROC_ROOT NULL ++#endif ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)) ++#define Y_INIT_TIMER(a) init_timer(a) ++#else ++#define Y_INIT_TIMER(a) init_timer_on_stack(a) ++#endif ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++#define WRITE_SIZE_STR "writesize" ++#define WRITE_SIZE(mtd) ((mtd)->writesize) ++#else ++#define WRITE_SIZE_STR "oobblock" ++#define WRITE_SIZE(mtd) ((mtd)->oobblock) ++#endif ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 27)) ++#define YAFFS_USE_WRITE_BEGIN_END 1 ++#else ++#define YAFFS_USE_WRITE_BEGIN_END 0 ++#endif ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 28)) ++static uint32_t YCALCBLOCKS(uint64_t partition_size, uint32_t block_size) ++{ ++ uint64_t result = partition_size; ++ do_div(result, block_size); ++ return (uint32_t)result; ++} ++#else ++#define YCALCBLOCKS(s, b) ((s)/(b)) ++#endif ++ ++#include <linux/uaccess.h> ++#include <linux/mtd/mtd.h> ++ ++#include "yportenv.h" ++#include "yaffs_trace.h" ++#include "yaffs_guts.h" ++ ++#include "yaffs_linux.h" ++ ++#include "yaffs_mtdif.h" ++#include "yaffs_mtdif1.h" ++#include "yaffs_mtdif2.h" ++ ++unsigned int yaffs_trace_mask = YAFFS_TRACE_BAD_BLOCKS | YAFFS_TRACE_ALWAYS; ++unsigned int yaffs_wr_attempts = YAFFS_WR_ATTEMPTS; ++unsigned int yaffs_auto_checkpoint = 1; ++unsigned int yaffs_gc_control = 1; ++unsigned int yaffs_bg_enable = 1; ++ ++/* Module Parameters */ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++module_param(yaffs_trace_mask, uint, 0644); ++module_param(yaffs_wr_attempts, uint, 0644); ++module_param(yaffs_auto_checkpoint, uint, 0644); ++module_param(yaffs_gc_control, uint, 0644); ++module_param(yaffs_bg_enable, uint, 0644); ++#else ++MODULE_PARM(yaffs_trace_mask, "i"); ++MODULE_PARM(yaffs_wr_attempts, "i"); ++MODULE_PARM(yaffs_auto_checkpoint, "i"); ++MODULE_PARM(yaffs_gc_control, "i"); ++#endif ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25)) ++/* use iget and read_inode */ ++#define Y_IGET(sb, inum) iget((sb), (inum)) ++static void yaffs_read_inode(struct inode *inode); ++ ++#else ++/* Call local equivalent */ ++#define YAFFS_USE_OWN_IGET ++#define Y_IGET(sb, inum) yaffs_iget((sb), (inum)) ++ ++static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino); ++#endif ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 18)) ++#define yaffs_InodeToObjectLV(iptr) ((iptr)->i_private) ++#else ++#define yaffs_InodeToObjectLV(iptr) ((iptr)->u.generic_ip) ++#endif ++ ++#define yaffs_InodeToObject(iptr) ((yaffs_obj_t *)(yaffs_InodeToObjectLV(iptr))) ++#define yaffs_dentry_to_obj(dptr) yaffs_InodeToObject((dptr)->d_inode) ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++#define yaffs_SuperToDevice(sb) ((yaffs_dev_t *)sb->s_fs_info) ++#else ++#define yaffs_SuperToDevice(sb) ((yaffs_dev_t *)sb->u.generic_sbp) ++#endif ++ ++ ++#define update_dir_time(dir) do {\ ++ (dir)->i_ctime = (dir)->i_mtime = CURRENT_TIME; \ ++ } while(0) ++ ++static void yaffs_put_super(struct super_block *sb); ++ ++static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n, ++ loff_t *pos); ++static ssize_t yaffs_hold_space(struct file *f); ++static void yaffs_release_space(struct file *f); ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++static int yaffs_file_flush(struct file *file, fl_owner_t id); ++#else ++static int yaffs_file_flush(struct file *file); ++#endif ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34)) ++static int yaffs_sync_object(struct file *file, int datasync); ++#else ++static int yaffs_sync_object(struct file *file, struct dentry *dentry, ++ int datasync); ++#endif ++ ++static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir); ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode, ++ struct nameidata *n); ++static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry, ++ struct nameidata *n); ++#else ++static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode); ++static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry); ++#endif ++static int yaffs_link(struct dentry *old_dentry, struct inode *dir, ++ struct dentry *dentry); ++static int yaffs_unlink(struct inode *dir, struct dentry *dentry); ++static int yaffs_symlink(struct inode *dir, struct dentry *dentry, ++ const char *symname); ++static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode); ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, ++ dev_t dev); ++#else ++static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, ++ int dev); ++#endif ++static int yaffs_rename(struct inode *old_dir, struct dentry *old_dentry, ++ struct inode *new_dir, struct dentry *new_dentry); ++static int yaffs_setattr(struct dentry *dentry, struct iattr *attr); ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++static int yaffs_sync_fs(struct super_block *sb, int wait); ++static void yaffs_write_super(struct super_block *sb); ++#else ++static int yaffs_sync_fs(struct super_block *sb); ++static int yaffs_write_super(struct super_block *sb); ++#endif ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++static int yaffs_statfs(struct dentry *dentry, struct kstatfs *buf); ++#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++static int yaffs_statfs(struct super_block *sb, struct kstatfs *buf); ++#else ++static int yaffs_statfs(struct super_block *sb, struct statfs *buf); ++#endif ++ ++#ifdef YAFFS_HAS_PUT_INODE ++static void yaffs_put_inode(struct inode *inode); ++#endif ++ ++#ifdef YAFFS_HAS_EVICT_INODE ++static void yaffs_evict_inode(struct inode *); ++#else ++static void yaffs_delete_inode(struct inode *); ++static void yaffs_clear_inode(struct inode *); ++#endif ++ ++static int yaffs_readpage(struct file *file, struct page *page); ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++static int yaffs_writepage(struct page *page, struct writeback_control *wbc); ++#else ++static int yaffs_writepage(struct page *page); ++#endif ++ ++#ifdef CONFIG_YAFFS_XATTR ++int yaffs_setxattr(struct dentry *dentry, const char *name, ++ const void *value, size_t size, int flags); ++ssize_t yaffs_getxattr(struct dentry *dentry, const char *name, void *buff, ++ size_t size); ++int yaffs_removexattr(struct dentry *dentry, const char *name); ++ssize_t yaffs_listxattr(struct dentry *dentry, char *buff, size_t size); ++#endif ++ ++ ++#if (YAFFS_USE_WRITE_BEGIN_END != 0) ++static int yaffs_write_begin(struct file *filp, struct address_space *mapping, ++ loff_t pos, unsigned len, unsigned flags, ++ struct page **pagep, void **fsdata); ++static int yaffs_write_end(struct file *filp, struct address_space *mapping, ++ loff_t pos, unsigned len, unsigned copied, ++ struct page *pg, void *fsdadata); ++#else ++static int yaffs_prepare_write(struct file *f, struct page *pg, ++ unsigned offset, unsigned to); ++static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset, ++ unsigned to); ++ ++#endif ++ ++static int yaffs_readlink(struct dentry *dentry, char __user *buffer, ++ int buflen); ++#if (YAFFS_NEW_FOLLOW_LINK == 1) ++void yaffs_put_link(struct dentry *dentry, struct nameidata *nd, void *alias); ++static void *yaffs_follow_link(struct dentry *dentry, struct nameidata *nd); ++#else ++static int yaffs_follow_link(struct dentry *dentry, struct nameidata *nd); ++#endif ++ ++static void yaffs_touch_super(yaffs_dev_t *dev); ++ ++static loff_t yaffs_dir_llseek(struct file *file, loff_t offset, int origin); ++ ++static int yaffs_vfs_setattr(struct inode *, struct iattr *); ++ ++ ++static struct address_space_operations yaffs_file_address_operations = { ++ .readpage = yaffs_readpage, ++ .writepage = yaffs_writepage, ++#if (YAFFS_USE_WRITE_BEGIN_END > 0) ++ .write_begin = yaffs_write_begin, ++ .write_end = yaffs_write_end, ++#else ++ .prepare_write = yaffs_prepare_write, ++ .commit_write = yaffs_commit_write, ++#endif ++}; ++ ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 22)) ++static const struct file_operations yaffs_file_operations = { ++ .read = do_sync_read, ++ .write = do_sync_write, ++ .aio_read = generic_file_aio_read, ++ .aio_write = generic_file_aio_write, ++ .mmap = generic_file_mmap, ++ .flush = yaffs_file_flush, ++ .fsync = yaffs_sync_object, ++ .splice_read = generic_file_splice_read, ++ .splice_write = generic_file_splice_write, ++ .llseek = generic_file_llseek, ++}; ++ ++#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 18)) ++ ++static const struct file_operations yaffs_file_operations = { ++ .read = do_sync_read, ++ .write = do_sync_write, ++ .aio_read = generic_file_aio_read, ++ .aio_write = generic_file_aio_write, ++ .mmap = generic_file_mmap, ++ .flush = yaffs_file_flush, ++ .fsync = yaffs_sync_object, ++ .sendfile = generic_file_sendfile, ++}; ++ ++#else ++ ++static const struct file_operations yaffs_file_operations = { ++ .read = generic_file_read, ++ .write = generic_file_write, ++ .mmap = generic_file_mmap, ++ .flush = yaffs_file_flush, ++ .fsync = yaffs_sync_object, ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++ .sendfile = generic_file_sendfile, ++#endif ++}; ++#endif ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)) ++static void zero_user_segment(struct page *page, unsigned start, unsigned end) ++{ ++ void * kaddr = kmap_atomic(page, KM_USER0); ++ memset(kaddr + start, 0, end - start); ++ kunmap_atomic(kaddr, KM_USER0); ++ flush_dcache_page(page); ++} ++#endif ++ ++ ++static const struct inode_operations yaffs_file_inode_operations = { ++ .setattr = yaffs_setattr, ++#ifdef CONFIG_YAFFS_XATTR ++ .setxattr = yaffs_setxattr, ++ .getxattr = yaffs_getxattr, ++ .listxattr = yaffs_listxattr, ++ .removexattr = yaffs_removexattr, ++#endif ++}; ++ ++static const struct inode_operations yaffs_symlink_inode_operations = { ++ .readlink = yaffs_readlink, ++ .follow_link = yaffs_follow_link, ++#if (YAFFS_NEW_FOLLOW_LINK == 1) ++ .put_link = yaffs_put_link, ++#endif ++ .setattr = yaffs_setattr, ++#ifdef CONFIG_YAFFS_XATTR ++ .setxattr = yaffs_setxattr, ++ .getxattr = yaffs_getxattr, ++ .listxattr = yaffs_listxattr, ++ .removexattr = yaffs_removexattr, ++#endif ++}; ++ ++static const struct inode_operations yaffs_dir_inode_operations = { ++ .create = yaffs_create, ++ .lookup = yaffs_lookup, ++ .link = yaffs_link, ++ .unlink = yaffs_unlink, ++ .symlink = yaffs_symlink, ++ .mkdir = yaffs_mkdir, ++ .rmdir = yaffs_unlink, ++ .mknod = yaffs_mknod, ++ .rename = yaffs_rename, ++ .setattr = yaffs_setattr, ++#ifdef CONFIG_YAFFS_XATTR ++ .setxattr = yaffs_setxattr, ++ .getxattr = yaffs_getxattr, ++ .listxattr = yaffs_listxattr, ++ .removexattr = yaffs_removexattr, ++#endif ++}; ++ ++static const struct file_operations yaffs_dir_operations = { ++ .read = generic_read_dir, ++ .readdir = yaffs_readdir, ++ .fsync = yaffs_sync_object, ++ .llseek = yaffs_dir_llseek, ++}; ++ ++static const struct super_operations yaffs_super_ops = { ++ .statfs = yaffs_statfs, ++ ++#ifndef YAFFS_USE_OWN_IGET ++ .read_inode = yaffs_read_inode, ++#endif ++#ifdef YAFFS_HAS_PUT_INODE ++ .put_inode = yaffs_put_inode, ++#endif ++ .put_super = yaffs_put_super, ++#ifdef YAFFS_HAS_EVICT_INODE ++ .evict_inode = yaffs_evict_inode, ++#else ++ .delete_inode = yaffs_delete_inode, ++ .clear_inode = yaffs_clear_inode, ++#endif ++ .sync_fs = yaffs_sync_fs, ++ .write_super = yaffs_write_super, ++}; ++ ++ ++static int yaffs_vfs_setattr(struct inode *inode, struct iattr *attr) ++{ ++#ifdef YAFFS_USE_SETATTR_COPY ++ setattr_copy(inode,attr); ++ return 0; ++#else ++ return inode_setattr(inode, attr); ++#endif ++ ++} ++ ++static int yaffs_vfs_setsize(struct inode *inode, loff_t newsize) ++{ ++#ifdef YAFFS_USE_TRUNCATE_SETSIZE ++ truncate_setsize(inode,newsize); ++ return 0; ++#else ++ truncate_inode_pages(&inode->i_data,newsize); ++ return 0; ++#endif ++ ++} ++ ++static unsigned yaffs_gc_control_callback(yaffs_dev_t *dev) ++{ ++ return yaffs_gc_control; ++} ++ ++static void yaffs_gross_lock(yaffs_dev_t *dev) ++{ ++ T(YAFFS_TRACE_LOCK, (TSTR("yaffs locking %p\n"), current)); ++ down(&(yaffs_dev_to_lc(dev)->grossLock)); ++ T(YAFFS_TRACE_LOCK, (TSTR("yaffs locked %p\n"), current)); ++} ++ ++static void yaffs_gross_unlock(yaffs_dev_t *dev) ++{ ++ T(YAFFS_TRACE_LOCK, (TSTR("yaffs unlocking %p\n"), current)); ++ up(&(yaffs_dev_to_lc(dev)->grossLock)); ++} ++ ++#ifdef YAFFS_COMPILE_EXPORTFS ++ ++static struct inode * ++yaffs2_nfs_get_inode(struct super_block *sb, uint64_t ino, uint32_t generation) ++{ ++ return Y_IGET(sb, ino); ++} ++ ++static struct dentry * ++yaffs2_fh_to_dentry(struct super_block *sb, struct fid *fid, int fh_len, int fh_type) ++{ ++ return generic_fh_to_dentry(sb, fid, fh_len, fh_type, yaffs2_nfs_get_inode) ; ++} ++ ++static struct dentry * ++ yaffs2_fh_to_parent(struct super_block *sb, struct fid *fid, int fh_len, int fh_type) ++{ ++ return generic_fh_to_parent(sb, fid, fh_len, fh_type, yaffs2_nfs_get_inode); ++} ++ ++struct dentry *yaffs2_get_parent(struct dentry *dentry) ++{ ++ ++ struct super_block *sb = dentry->d_inode->i_sb; ++ struct dentry *parent = ERR_PTR(-ENOENT); ++ struct inode *inode; ++ unsigned long parent_ino; ++ yaffs_obj_t *d_obj; ++ yaffs_obj_t *parent_obj; ++ ++ d_obj = yaffs_InodeToObject(dentry->d_inode); ++ ++ if (d_obj) { ++ parent_obj = d_obj->parent; ++ if (parent_obj) { ++ parent_ino = yaffs_get_obj_inode(parent_obj); ++ inode = Y_IGET(sb, parent_ino); ++ ++ if (IS_ERR(inode)) { ++ parent = ERR_CAST(inode); ++ } else { ++ parent = d_obtain_alias(inode); ++ if (!IS_ERR(parent)) { ++ parent = ERR_PTR(-ENOMEM); ++ iput(inode); ++ } ++ } ++ } ++ } ++ ++ return parent; ++} ++ ++/* Just declare a zero structure as a NULL value implies ++ * using the default functions of exportfs. ++ */ ++ ++static struct export_operations yaffs_export_ops = ++{ ++ .fh_to_dentry = yaffs2_fh_to_dentry, ++ .fh_to_parent = yaffs2_fh_to_parent, ++ .get_parent = yaffs2_get_parent, ++} ; ++ ++#endif ++ ++/*-----------------------------------------------------------------*/ ++/* Directory search context allows us to unlock access to yaffs during ++ * filldir without causing problems with the directory being modified. ++ * This is similar to the tried and tested mechanism used in yaffs direct. ++ * ++ * A search context iterates along a doubly linked list of siblings in the ++ * directory. If the iterating object is deleted then this would corrupt ++ * the list iteration, likely causing a crash. The search context avoids ++ * this by using the remove_obj_fn to move the search context to the ++ * next object before the object is deleted. ++ * ++ * Many readdirs (and thus seach conexts) may be alive simulateously so ++ * each yaffs_dev_t has a list of these. ++ * ++ * A seach context lives for the duration of a readdir. ++ * ++ * All these functions must be called while yaffs is locked. ++ */ ++ ++struct yaffs_SearchContext { ++ yaffs_dev_t *dev; ++ yaffs_obj_t *dirObj; ++ yaffs_obj_t *nextReturn; ++ struct ylist_head others; ++}; ++ ++/* ++ * yaffs_NewSearch() creates a new search context, initialises it and ++ * adds it to the device's search context list. ++ * ++ * Called at start of readdir. ++ */ ++static struct yaffs_SearchContext * yaffs_NewSearch(yaffs_obj_t *dir) ++{ ++ yaffs_dev_t *dev = dir->my_dev; ++ struct yaffs_SearchContext *sc = YMALLOC(sizeof(struct yaffs_SearchContext)); ++ if(sc){ ++ sc->dirObj = dir; ++ sc->dev = dev; ++ if( ylist_empty(&sc->dirObj->variant.dir_variant.children)) ++ sc->nextReturn = NULL; ++ else ++ sc->nextReturn = ylist_entry( ++ dir->variant.dir_variant.children.next, ++ yaffs_obj_t,siblings); ++ YINIT_LIST_HEAD(&sc->others); ++ ylist_add(&sc->others,&(yaffs_dev_to_lc(dev)->searchContexts)); ++ } ++ return sc; ++} ++ ++/* ++ * yaffs_search_end() disposes of a search context and cleans up. ++ */ ++static void yaffs_search_end(struct yaffs_SearchContext * sc) ++{ ++ if(sc){ ++ ylist_del(&sc->others); ++ YFREE(sc); ++ } ++} ++ ++/* ++ * yaffs_search_advance() moves a search context to the next object. ++ * Called when the search iterates or when an object removal causes ++ * the search context to be moved to the next object. ++ */ ++static void yaffs_search_advance(struct yaffs_SearchContext *sc) ++{ ++ if(!sc) ++ return; ++ ++ if( sc->nextReturn == NULL || ++ ylist_empty(&sc->dirObj->variant.dir_variant.children)) ++ sc->nextReturn = NULL; ++ else { ++ struct ylist_head *next = sc->nextReturn->siblings.next; ++ ++ if( next == &sc->dirObj->variant.dir_variant.children) ++ sc->nextReturn = NULL; /* end of list */ ++ else ++ sc->nextReturn = ylist_entry(next,yaffs_obj_t,siblings); ++ } ++} ++ ++/* ++ * yaffs_remove_obj_callback() is called when an object is unlinked. ++ * We check open search contexts and advance any which are currently ++ * on the object being iterated. ++ */ ++static void yaffs_remove_obj_callback(yaffs_obj_t *obj) ++{ ++ ++ struct ylist_head *i; ++ struct yaffs_SearchContext *sc; ++ struct ylist_head *search_contexts = &(yaffs_dev_to_lc(obj->my_dev)->searchContexts); ++ ++ ++ /* Iterate through the directory search contexts. ++ * If any are currently on the object being removed, then advance ++ * the search context to the next object to prevent a hanging pointer. ++ */ ++ ylist_for_each(i, search_contexts) { ++ if (i) { ++ sc = ylist_entry(i, struct yaffs_SearchContext,others); ++ if(sc->nextReturn == obj) ++ yaffs_search_advance(sc); ++ } ++ } ++ ++} ++ ++ ++/*-----------------------------------------------------------------*/ ++ ++static int yaffs_readlink(struct dentry *dentry, char __user *buffer, ++ int buflen) ++{ ++ unsigned char *alias; ++ int ret; ++ ++ yaffs_dev_t *dev = yaffs_dentry_to_obj(dentry)->my_dev; ++ ++ yaffs_gross_lock(dev); ++ ++ alias = yaffs_get_symlink_alias(yaffs_dentry_to_obj(dentry)); ++ ++ yaffs_gross_unlock(dev); ++ ++ if (!alias) ++ return -ENOMEM; ++ ++ ret = vfs_readlink(dentry, buffer, buflen, alias); ++ kfree(alias); ++ return ret; ++} ++ ++#if (YAFFS_NEW_FOLLOW_LINK == 1) ++static void *yaffs_follow_link(struct dentry *dentry, struct nameidata *nd) ++#else ++static int yaffs_follow_link(struct dentry *dentry, struct nameidata *nd) ++#endif ++{ ++ unsigned char *alias; ++ int ret; ++ yaffs_dev_t *dev = yaffs_dentry_to_obj(dentry)->my_dev; ++ ++ yaffs_gross_lock(dev); ++ ++ alias = yaffs_get_symlink_alias(yaffs_dentry_to_obj(dentry)); ++ yaffs_gross_unlock(dev); ++ ++ if (!alias) { ++ ret = -ENOMEM; ++ goto out; ++ } ++ ++#if (YAFFS_NEW_FOLLOW_LINK == 1) ++ nd_set_link(nd, alias); ++ ret = (int)alias; ++out: ++ return ERR_PTR(ret); ++#else ++ ret = vfs_follow_link(nd, alias); ++ kfree(alias); ++out: ++ return ret; ++#endif ++} ++ ++#if (YAFFS_NEW_FOLLOW_LINK == 1) ++void yaffs_put_link(struct dentry *dentry, struct nameidata *nd, void *alias) { ++ kfree(alias); ++} ++#endif ++ ++struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev, ++ yaffs_obj_t *obj); ++ ++/* ++ * Lookup is used to find objects in the fs ++ */ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++ ++static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry, ++ struct nameidata *n) ++#else ++static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry) ++#endif ++{ ++ yaffs_obj_t *obj; ++ struct inode *inode = NULL; /* NCB 2.5/2.6 needs NULL here */ ++ ++ yaffs_dev_t *dev = yaffs_InodeToObject(dir)->my_dev; ++ ++ if(current != yaffs_dev_to_lc(dev)->readdirProcess) ++ yaffs_gross_lock(dev); ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_lookup for %d:%s\n"), ++ yaffs_InodeToObject(dir)->obj_id, dentry->d_name.name)); ++ ++ obj = yaffs_find_by_name(yaffs_InodeToObject(dir), ++ dentry->d_name.name); ++ ++ obj = yaffs_get_equivalent_obj(obj); /* in case it was a hardlink */ ++ ++ /* Can't hold gross lock when calling yaffs_get_inode() */ ++ if(current != yaffs_dev_to_lc(dev)->readdirProcess) ++ yaffs_gross_unlock(dev); ++ ++ if (obj) { ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_lookup found %d\n"), obj->obj_id)); ++ ++ inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj); ++ ++ if (inode) { ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_loookup dentry \n"))); ++/* #if 0 asserted by NCB for 2.5/6 compatability - falls through to ++ * d_add even if NULL inode */ ++#if 0 ++ /*dget(dentry); // try to solve directory bug */ ++ d_add(dentry, inode); ++ ++ /* return dentry; */ ++ return NULL; ++#endif ++ } ++ ++ } else { ++ T(YAFFS_TRACE_OS,(TSTR("yaffs_lookup not found\n"))); ++ ++ } ++ ++/* added NCB for 2.5/6 compatability - forces add even if inode is ++ * NULL which creates dentry hash */ ++ d_add(dentry, inode); ++ ++ return NULL; ++} ++ ++ ++#ifdef YAFFS_HAS_PUT_INODE ++ ++/* For now put inode is just for debugging ++ * Put inode is called when the inode **structure** is put. ++ */ ++static void yaffs_put_inode(struct inode *inode) ++{ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_put_inode: ino %d, count %d\n"), (int)inode->i_ino, ++ atomic_read(&inode->i_count))); ++ ++} ++#endif ++ ++ ++static void yaffs_unstitch_obj(struct inode *inode, yaffs_obj_t *obj) ++{ ++ /* Clear the association between the inode and ++ * the yaffs_obj_t. ++ */ ++ obj->my_inode = NULL; ++ yaffs_InodeToObjectLV(inode) = NULL; ++ ++ /* If the object freeing was deferred, then the real ++ * free happens now. ++ * This should fix the inode inconsistency problem. ++ */ ++ yaffs_handle_defered_free(obj); ++} ++ ++#ifdef YAFFS_HAS_EVICT_INODE ++/* yaffs_evict_inode combines into one operation what was previously done in ++ * yaffs_clear_inode() and yaffs_delete_inode() ++ * ++ */ ++static void yaffs_evict_inode( struct inode *inode) ++{ ++ yaffs_obj_t *obj; ++ yaffs_dev_t *dev; ++ int deleteme = 0; ++ ++ obj = yaffs_InodeToObject(inode); ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_evict_inode: ino %d, count %d %s\n"), (int)inode->i_ino, ++ atomic_read(&inode->i_count), ++ obj ? "object exists" : "null object")); ++ ++ if (!inode->i_nlink && !is_bad_inode(inode)) ++ deleteme = 1; ++ truncate_inode_pages(&inode->i_data,0); ++ end_writeback(inode); ++ ++ if(deleteme && obj){ ++ dev = obj->my_dev; ++ yaffs_gross_lock(dev); ++ yaffs_del_obj(obj); ++ yaffs_gross_unlock(dev); ++ } ++ if (obj) { ++ dev = obj->my_dev; ++ yaffs_gross_lock(dev); ++ yaffs_unstitch_obj(inode,obj); ++ yaffs_gross_unlock(dev); ++ } ++ ++ ++} ++#else ++ ++/* clear is called to tell the fs to release any per-inode data it holds. ++ * The object might still exist on disk and is just being thrown out of the cache ++ * or else the object has actually been deleted and we're being called via ++ * the chain ++ * yaffs_delete_inode() -> clear_inode()->yaffs_clear_inode() ++ */ ++ ++static void yaffs_clear_inode(struct inode *inode) ++{ ++ yaffs_obj_t *obj; ++ yaffs_dev_t *dev; ++ ++ obj = yaffs_InodeToObject(inode); ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_clear_inode: ino %d, count %d %s\n"), (int)inode->i_ino, ++ atomic_read(&inode->i_count), ++ obj ? "object exists" : "null object")); ++ ++ if (obj) { ++ dev = obj->my_dev; ++ yaffs_gross_lock(dev); ++ yaffs_unstitch_obj(inode,obj); ++ yaffs_gross_unlock(dev); ++ } ++ ++} ++ ++/* delete is called when the link count is zero and the inode ++ * is put (ie. nobody wants to know about it anymore, time to ++ * delete the file). ++ * NB Must call clear_inode() ++ */ ++static void yaffs_delete_inode(struct inode *inode) ++{ ++ yaffs_obj_t *obj = yaffs_InodeToObject(inode); ++ yaffs_dev_t *dev; ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_delete_inode: ino %d, count %d %s\n"), (int)inode->i_ino, ++ atomic_read(&inode->i_count), ++ obj ? "object exists" : "null object")); ++ ++ if (obj) { ++ dev = obj->my_dev; ++ yaffs_gross_lock(dev); ++ yaffs_del_obj(obj); ++ yaffs_gross_unlock(dev); ++ } ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13)) ++ truncate_inode_pages(&inode->i_data, 0); ++#endif ++ clear_inode(inode); ++} ++#endif ++ ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++static int yaffs_file_flush(struct file *file, fl_owner_t id) ++#else ++static int yaffs_file_flush(struct file *file) ++#endif ++{ ++ yaffs_obj_t *obj = yaffs_dentry_to_obj(file->f_dentry); ++ ++ yaffs_dev_t *dev = obj->my_dev; ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_file_flush object %d (%s)\n"), obj->obj_id, ++ obj->dirty ? "dirty" : "clean")); ++ ++ yaffs_gross_lock(dev); ++ ++ yaffs_flush_file(obj, 1, 0); ++ ++ yaffs_gross_unlock(dev); ++ ++ return 0; ++} ++ ++static int yaffs_readpage_nolock(struct file *f, struct page *pg) ++{ ++ /* Lifted from jffs2 */ ++ ++ yaffs_obj_t *obj; ++ unsigned char *pg_buf; ++ int ret; ++ ++ yaffs_dev_t *dev; ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_readpage_nolock at %08x, size %08x\n"), ++ (unsigned)(pg->index << PAGE_CACHE_SHIFT), ++ (unsigned)PAGE_CACHE_SIZE)); ++ ++ obj = yaffs_dentry_to_obj(f->f_dentry); ++ ++ dev = obj->my_dev; ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++ BUG_ON(!PageLocked(pg)); ++#else ++ if (!PageLocked(pg)) ++ PAGE_BUG(pg); ++#endif ++ ++ pg_buf = kmap(pg); ++ /* FIXME: Can kmap fail? */ ++ ++ yaffs_gross_lock(dev); ++ ++ ret = yaffs_file_rd(obj, pg_buf, ++ pg->index << PAGE_CACHE_SHIFT, ++ PAGE_CACHE_SIZE); ++ ++ yaffs_gross_unlock(dev); ++ ++ if (ret >= 0) ++ ret = 0; ++ ++ if (ret) { ++ ClearPageUptodate(pg); ++ SetPageError(pg); ++ } else { ++ SetPageUptodate(pg); ++ ClearPageError(pg); ++ } ++ ++ flush_dcache_page(pg); ++ kunmap(pg); ++ ++ T(YAFFS_TRACE_OS, (TSTR("yaffs_readpage_nolock done\n"))); ++ return ret; ++} ++ ++static int yaffs_readpage_unlock(struct file *f, struct page *pg) ++{ ++ int ret = yaffs_readpage_nolock(f, pg); ++ UnlockPage(pg); ++ return ret; ++} ++ ++static int yaffs_readpage(struct file *f, struct page *pg) ++{ ++ int ret; ++ ++ T(YAFFS_TRACE_OS, (TSTR("yaffs_readpage\n"))); ++ ret=yaffs_readpage_unlock(f, pg); ++ T(YAFFS_TRACE_OS, (TSTR("yaffs_readpage done\n"))); ++ return ret; ++} ++ ++/* writepage inspired by/stolen from smbfs */ ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++static int yaffs_writepage(struct page *page, struct writeback_control *wbc) ++#else ++static int yaffs_writepage(struct page *page) ++#endif ++{ ++ yaffs_dev_t *dev; ++ struct address_space *mapping = page->mapping; ++ struct inode *inode; ++ unsigned long end_index; ++ char *buffer; ++ yaffs_obj_t *obj; ++ int nWritten = 0; ++ unsigned n_bytes; ++ loff_t i_size; ++ ++ if (!mapping) ++ BUG(); ++ inode = mapping->host; ++ if (!inode) ++ BUG(); ++ i_size = i_size_read(inode); ++ ++ end_index = i_size >> PAGE_CACHE_SHIFT; ++ ++ if(page->index < end_index) ++ n_bytes = PAGE_CACHE_SIZE; ++ else { ++ n_bytes = i_size & (PAGE_CACHE_SIZE -1); ++ ++ if (page->index > end_index || !n_bytes) { ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_writepage at %08x, inode size = %08x!!!\n"), ++ (unsigned)(page->index << PAGE_CACHE_SHIFT), ++ (unsigned)inode->i_size)); ++ T(YAFFS_TRACE_OS, ++ (TSTR(" -> don't care!!\n"))); ++ ++ zero_user_segment(page,0,PAGE_CACHE_SIZE); ++ set_page_writeback(page); ++ unlock_page(page); ++ end_page_writeback(page); ++ return 0; ++ } ++ } ++ ++ if(n_bytes != PAGE_CACHE_SIZE) ++ zero_user_segment(page,n_bytes,PAGE_CACHE_SIZE); ++ ++ get_page(page); ++ ++ buffer = kmap(page); ++ ++ obj = yaffs_InodeToObject(inode); ++ dev = obj->my_dev; ++ yaffs_gross_lock(dev); ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_writepage at %08x, size %08x\n"), ++ (unsigned)(page->index << PAGE_CACHE_SHIFT), n_bytes)); ++ T(YAFFS_TRACE_OS, ++ (TSTR("writepag0: obj = %05x, ino = %05x\n"), ++ (int)obj->variant.file_variant.file_size, (int)inode->i_size)); ++ ++ nWritten = yaffs_wr_file(obj, buffer, ++ page->index << PAGE_CACHE_SHIFT, n_bytes, 0); ++ ++ yaffs_touch_super(dev); ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("writepag1: obj = %05x, ino = %05x\n"), ++ (int)obj->variant.file_variant.file_size, (int)inode->i_size)); ++ ++ yaffs_gross_unlock(dev); ++ ++ kunmap(page); ++ set_page_writeback(page); ++ unlock_page(page); ++ end_page_writeback(page); ++ put_page(page); ++ ++ return (nWritten == n_bytes) ? 0 : -ENOSPC; ++} ++ ++ ++#if (YAFFS_USE_WRITE_BEGIN_END > 0) ++static int yaffs_write_begin(struct file *filp, struct address_space *mapping, ++ loff_t pos, unsigned len, unsigned flags, ++ struct page **pagep, void **fsdata) ++{ ++ struct page *pg = NULL; ++ pgoff_t index = pos >> PAGE_CACHE_SHIFT; ++ ++ int ret = 0; ++ int space_held = 0; ++ ++ /* Get a page */ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28) ++ pg = grab_cache_page_write_begin(mapping, index, flags); ++#else ++ pg = __grab_cache_page(mapping, index); ++#endif ++ ++ *pagep = pg; ++ if (!pg) { ++ ret = -ENOMEM; ++ goto out; ++ } ++ T(YAFFS_TRACE_OS, ++ (TSTR("start yaffs_write_begin index %d(%x) uptodate %d\n"), ++ (int)index,(int)index,Page_Uptodate(pg) ? 1 : 0)); ++ ++ /* Get fs space */ ++ space_held = yaffs_hold_space(filp); ++ ++ if (!space_held) { ++ ret = -ENOSPC; ++ goto out; ++ } ++ ++ /* Update page if required */ ++ ++ if (!Page_Uptodate(pg)) ++ ret = yaffs_readpage_nolock(filp, pg); ++ ++ if (ret) ++ goto out; ++ ++ /* Happy path return */ ++ T(YAFFS_TRACE_OS, (TSTR("end yaffs_write_begin - ok\n"))); ++ ++ return 0; ++ ++out: ++ T(YAFFS_TRACE_OS, ++ (TSTR("end yaffs_write_begin fail returning %d\n"), ret)); ++ if (space_held) ++ yaffs_release_space(filp); ++ if (pg) { ++ unlock_page(pg); ++ page_cache_release(pg); ++ } ++ return ret; ++} ++ ++#else ++ ++static int yaffs_prepare_write(struct file *f, struct page *pg, ++ unsigned offset, unsigned to) ++{ ++ T(YAFFS_TRACE_OS, (TSTR("yaffs_prepair_write\n"))); ++ ++ if (!Page_Uptodate(pg)) ++ return yaffs_readpage_nolock(f, pg); ++ return 0; ++} ++#endif ++ ++#if (YAFFS_USE_WRITE_BEGIN_END > 0) ++static int yaffs_write_end(struct file *filp, struct address_space *mapping, ++ loff_t pos, unsigned len, unsigned copied, ++ struct page *pg, void *fsdadata) ++{ ++ int ret = 0; ++ void *addr, *kva; ++ uint32_t offset_into_page = pos & (PAGE_CACHE_SIZE - 1); ++ ++ kva = kmap(pg); ++ addr = kva + offset_into_page; ++ ++ T(YAFFS_TRACE_OS, ++ ("yaffs_write_end addr %p pos %x n_bytes %d\n", ++ addr,(unsigned)pos, copied)); ++ ++ ret = yaffs_file_write(filp, addr, copied, &pos); ++ ++ if (ret != copied) { ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_write_end not same size ret %d copied %d\n"), ++ ret, copied)); ++ SetPageError(pg); ++ } else { ++ /* Nothing */ ++ } ++ ++ kunmap(pg); ++ ++ yaffs_release_space(filp); ++ unlock_page(pg); ++ page_cache_release(pg); ++ return ret; ++} ++#else ++ ++static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset, ++ unsigned to) ++{ ++ void *addr, *kva; ++ ++ loff_t pos = (((loff_t) pg->index) << PAGE_CACHE_SHIFT) + offset; ++ int n_bytes = to - offset; ++ int nWritten; ++ ++ unsigned spos = pos; ++ unsigned saddr; ++ ++ kva = kmap(pg); ++ addr = kva + offset; ++ ++ saddr = (unsigned) addr; ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_commit_write addr %x pos %x n_bytes %d\n"), ++ saddr, spos, n_bytes)); ++ ++ nWritten = yaffs_file_write(f, addr, n_bytes, &pos); ++ ++ if (nWritten != n_bytes) { ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_commit_write not same size nWritten %d n_bytes %d\n"), ++ nWritten, n_bytes)); ++ SetPageError(pg); ++ } else { ++ /* Nothing */ ++ } ++ ++ kunmap(pg); ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_commit_write returning %d\n"), ++ nWritten == n_bytes ? 0 : nWritten)); ++ ++ return nWritten == n_bytes ? 0 : nWritten; ++} ++#endif ++ ++ ++static void yaffs_fill_inode_from_obj(struct inode *inode, yaffs_obj_t *obj) ++{ ++ if (inode && obj) { ++ ++ ++ /* Check mode against the variant type and attempt to repair if broken. */ ++ __u32 mode = obj->yst_mode; ++ switch (obj->variant_type) { ++ case YAFFS_OBJECT_TYPE_FILE: ++ if (!S_ISREG(mode)) { ++ obj->yst_mode &= ~S_IFMT; ++ obj->yst_mode |= S_IFREG; ++ } ++ ++ break; ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ if (!S_ISLNK(mode)) { ++ obj->yst_mode &= ~S_IFMT; ++ obj->yst_mode |= S_IFLNK; ++ } ++ ++ break; ++ case YAFFS_OBJECT_TYPE_DIRECTORY: ++ if (!S_ISDIR(mode)) { ++ obj->yst_mode &= ~S_IFMT; ++ obj->yst_mode |= S_IFDIR; ++ } ++ ++ break; ++ case YAFFS_OBJECT_TYPE_UNKNOWN: ++ case YAFFS_OBJECT_TYPE_HARDLINK: ++ case YAFFS_OBJECT_TYPE_SPECIAL: ++ default: ++ /* TODO? */ ++ break; ++ } ++ ++ inode->i_flags |= S_NOATIME; ++ ++ inode->i_ino = obj->obj_id; ++ inode->i_mode = obj->yst_mode; ++ inode->i_uid = obj->yst_uid; ++ inode->i_gid = obj->yst_gid; ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)) ++ inode->i_blksize = inode->i_sb->s_blocksize; ++#endif ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++ ++ inode->i_rdev = old_decode_dev(obj->yst_rdev); ++ inode->i_atime.tv_sec = (time_t) (obj->yst_atime); ++ inode->i_atime.tv_nsec = 0; ++ inode->i_mtime.tv_sec = (time_t) obj->yst_mtime; ++ inode->i_mtime.tv_nsec = 0; ++ inode->i_ctime.tv_sec = (time_t) obj->yst_ctime; ++ inode->i_ctime.tv_nsec = 0; ++#else ++ inode->i_rdev = obj->yst_rdev; ++ inode->i_atime = obj->yst_atime; ++ inode->i_mtime = obj->yst_mtime; ++ inode->i_ctime = obj->yst_ctime; ++#endif ++ inode->i_size = yaffs_get_obj_length(obj); ++ inode->i_blocks = (inode->i_size + 511) >> 9; ++ ++ inode->i_nlink = yaffs_get_obj_link_count(obj); ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_fill_inode mode %x uid %d gid %d size %d count %d\n"), ++ inode->i_mode, inode->i_uid, inode->i_gid, ++ (int)inode->i_size, atomic_read(&inode->i_count))); ++ ++ switch (obj->yst_mode & S_IFMT) { ++ default: /* fifo, device or socket */ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++ init_special_inode(inode, obj->yst_mode, ++ old_decode_dev(obj->yst_rdev)); ++#else ++ init_special_inode(inode, obj->yst_mode, ++ (dev_t) (obj->yst_rdev)); ++#endif ++ break; ++ case S_IFREG: /* file */ ++ inode->i_op = &yaffs_file_inode_operations; ++ inode->i_fop = &yaffs_file_operations; ++ inode->i_mapping->a_ops = ++ &yaffs_file_address_operations; ++ break; ++ case S_IFDIR: /* directory */ ++ inode->i_op = &yaffs_dir_inode_operations; ++ inode->i_fop = &yaffs_dir_operations; ++ break; ++ case S_IFLNK: /* symlink */ ++ inode->i_op = &yaffs_symlink_inode_operations; ++ break; ++ } ++ ++ yaffs_InodeToObjectLV(inode) = obj; ++ ++ obj->my_inode = inode; ++ ++ } else { ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_FileInode invalid parameters\n"))); ++ } ++ ++} ++ ++struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev, ++ yaffs_obj_t *obj) ++{ ++ struct inode *inode; ++ ++ if (!sb) { ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_get_inode for NULL super_block!!\n"))); ++ return NULL; ++ ++ } ++ ++ if (!obj) { ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_get_inode for NULL object!!\n"))); ++ return NULL; ++ ++ } ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_get_inode for object %d\n"), obj->obj_id)); ++ ++ inode = Y_IGET(sb, obj->obj_id); ++ if (IS_ERR(inode)) ++ return NULL; ++ ++ /* NB Side effect: iget calls back to yaffs_read_inode(). */ ++ /* iget also increments the inode's i_count */ ++ /* NB You can't be holding grossLock or deadlock will happen! */ ++ ++ return inode; ++} ++ ++static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n, ++ loff_t *pos) ++{ ++ yaffs_obj_t *obj; ++ int nWritten, ipos; ++ struct inode *inode; ++ yaffs_dev_t *dev; ++ ++ obj = yaffs_dentry_to_obj(f->f_dentry); ++ ++ dev = obj->my_dev; ++ ++ yaffs_gross_lock(dev); ++ ++ inode = f->f_dentry->d_inode; ++ ++ if (!S_ISBLK(inode->i_mode) && f->f_flags & O_APPEND) ++ ipos = inode->i_size; ++ else ++ ipos = *pos; ++ ++ if (!obj) ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_file_write: hey obj is null!\n"))); ++ else ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_file_write about to write writing %u(%x) bytes" ++ "to object %d at %d(%x)\n"), ++ (unsigned) n, (unsigned) n, obj->obj_id, ipos,ipos)); ++ ++ nWritten = yaffs_wr_file(obj, buf, ipos, n, 0); ++ ++ yaffs_touch_super(dev); ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_file_write: %d(%x) bytes written\n"), ++ (unsigned )n,(unsigned)n)); ++ ++ if (nWritten > 0) { ++ ipos += nWritten; ++ *pos = ipos; ++ if (ipos > inode->i_size) { ++ inode->i_size = ipos; ++ inode->i_blocks = (ipos + 511) >> 9; ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_file_write size updated to %d bytes, " ++ "%d blocks\n"), ++ ipos, (int)(inode->i_blocks))); ++ } ++ ++ } ++ yaffs_gross_unlock(dev); ++ return (nWritten == 0) && (n > 0) ? -ENOSPC : nWritten; ++} ++ ++/* Space holding and freeing is done to ensure we have space available for write_begin/end */ ++/* For now we just assume few parallel writes and check against a small number. */ ++/* Todo: need to do this with a counter to handle parallel reads better */ ++ ++static ssize_t yaffs_hold_space(struct file *f) ++{ ++ yaffs_obj_t *obj; ++ yaffs_dev_t *dev; ++ ++ int n_free_chunks; ++ ++ ++ obj = yaffs_dentry_to_obj(f->f_dentry); ++ ++ dev = obj->my_dev; ++ ++ yaffs_gross_lock(dev); ++ ++ n_free_chunks = yaffs_get_n_free_chunks(dev); ++ ++ yaffs_gross_unlock(dev); ++ ++ return (n_free_chunks > 20) ? 1 : 0; ++} ++ ++static void yaffs_release_space(struct file *f) ++{ ++ yaffs_obj_t *obj; ++ yaffs_dev_t *dev; ++ ++ ++ obj = yaffs_dentry_to_obj(f->f_dentry); ++ ++ dev = obj->my_dev; ++ ++ yaffs_gross_lock(dev); ++ ++ ++ yaffs_gross_unlock(dev); ++} ++ ++ ++static loff_t yaffs_dir_llseek(struct file *file, loff_t offset, int origin) ++{ ++ long long retval; ++ ++ lock_kernel(); ++ ++ switch (origin){ ++ case 2: ++ offset += i_size_read(file->f_path.dentry->d_inode); ++ break; ++ case 1: ++ offset += file->f_pos; ++ } ++ retval = -EINVAL; ++ ++ if (offset >= 0){ ++ if (offset != file->f_pos) ++ file->f_pos = offset; ++ ++ retval = offset; ++ } ++ unlock_kernel(); ++ return retval; ++} ++ ++ ++static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir) ++{ ++ yaffs_obj_t *obj; ++ yaffs_dev_t *dev; ++ struct yaffs_SearchContext *sc; ++ struct inode *inode = f->f_dentry->d_inode; ++ unsigned long offset, curoffs; ++ yaffs_obj_t *l; ++ int retVal = 0; ++ ++ char name[YAFFS_MAX_NAME_LENGTH + 1]; ++ ++ obj = yaffs_dentry_to_obj(f->f_dentry); ++ dev = obj->my_dev; ++ ++ yaffs_gross_lock(dev); ++ ++ yaffs_dev_to_lc(dev)->readdirProcess = current; ++ ++ offset = f->f_pos; ++ ++ sc = yaffs_NewSearch(obj); ++ if(!sc){ ++ retVal = -ENOMEM; ++ goto out; ++ } ++ ++ T(YAFFS_TRACE_OS, (TSTR("yaffs_readdir: starting at %d\n"), (int)offset)); ++ ++ if (offset == 0) { ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_readdir: entry . ino %d \n"), ++ (int)inode->i_ino)); ++ yaffs_gross_unlock(dev); ++ if (filldir(dirent, ".", 1, offset, inode->i_ino, DT_DIR) < 0){ ++ yaffs_gross_lock(dev); ++ goto out; ++ } ++ yaffs_gross_lock(dev); ++ offset++; ++ f->f_pos++; ++ } ++ if (offset == 1) { ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_readdir: entry .. ino %d \n"), ++ (int)f->f_dentry->d_parent->d_inode->i_ino)); ++ yaffs_gross_unlock(dev); ++ if (filldir(dirent, "..", 2, offset, ++ f->f_dentry->d_parent->d_inode->i_ino, DT_DIR) < 0){ ++ yaffs_gross_lock(dev); ++ goto out; ++ } ++ yaffs_gross_lock(dev); ++ offset++; ++ f->f_pos++; ++ } ++ ++ curoffs = 1; ++ ++ /* If the directory has changed since the open or last call to ++ readdir, rewind to after the 2 canned entries. */ ++ if (f->f_version != inode->i_version) { ++ offset = 2; ++ f->f_pos = offset; ++ f->f_version = inode->i_version; ++ } ++ ++ while(sc->nextReturn){ ++ curoffs++; ++ l = sc->nextReturn; ++ if (curoffs >= offset) { ++ int this_inode = yaffs_get_obj_inode(l); ++ int this_type = yaffs_get_obj_type(l); ++ ++ yaffs_get_obj_name(l, name, ++ YAFFS_MAX_NAME_LENGTH + 1); ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_readdir: %s inode %d\n"), ++ name, yaffs_get_obj_inode(l))); ++ ++ yaffs_gross_unlock(dev); ++ ++ if (filldir(dirent, ++ name, ++ strlen(name), ++ offset, ++ this_inode, ++ this_type) < 0){ ++ yaffs_gross_lock(dev); ++ goto out; ++ } ++ ++ yaffs_gross_lock(dev); ++ ++ offset++; ++ f->f_pos++; ++ } ++ yaffs_search_advance(sc); ++ } ++ ++out: ++ yaffs_search_end(sc); ++ yaffs_dev_to_lc(dev)->readdirProcess = NULL; ++ yaffs_gross_unlock(dev); ++ ++ return retVal; ++} ++ ++ ++ ++/* ++ * File creation. Allocate an inode, and we're done.. ++ */ ++ ++#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29) ++#define YCRED(x) x ++#else ++#define YCRED(x) (x->cred) ++#endif ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, ++ dev_t rdev) ++#else ++static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, ++ int rdev) ++#endif ++{ ++ struct inode *inode; ++ ++ yaffs_obj_t *obj = NULL; ++ yaffs_dev_t *dev; ++ ++ yaffs_obj_t *parent = yaffs_InodeToObject(dir); ++ ++ int error = -ENOSPC; ++ uid_t uid = YCRED(current)->fsuid; ++ gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid; ++ ++ if ((dir->i_mode & S_ISGID) && S_ISDIR(mode)) ++ mode |= S_ISGID; ++ ++ if (parent) { ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_mknod: parent object %d type %d\n"), ++ parent->obj_id, parent->variant_type)); ++ } else { ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_mknod: could not get parent object\n"))); ++ return -EPERM; ++ } ++ ++ T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod: making oject for %s, " ++ "mode %x dev %x\n"), ++ dentry->d_name.name, mode, rdev)); ++ ++ dev = parent->my_dev; ++ ++ yaffs_gross_lock(dev); ++ ++ switch (mode & S_IFMT) { ++ default: ++ /* Special (socket, fifo, device...) */ ++ T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod: making special\n"))); ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++ obj = yaffs_create_special(parent, dentry->d_name.name, mode, uid, ++ gid, old_encode_dev(rdev)); ++#else ++ obj = yaffs_create_special(parent, dentry->d_name.name, mode, uid, ++ gid, rdev); ++#endif ++ break; ++ case S_IFREG: /* file */ ++ T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod: making file\n"))); ++ obj = yaffs_create_file(parent, dentry->d_name.name, mode, uid, ++ gid); ++ break; ++ case S_IFDIR: /* directory */ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_mknod: making directory\n"))); ++ obj = yaffs_create_dir(parent, dentry->d_name.name, mode, ++ uid, gid); ++ break; ++ case S_IFLNK: /* symlink */ ++ T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod: making symlink\n"))); ++ obj = NULL; /* Do we ever get here? */ ++ break; ++ } ++ ++ /* Can not call yaffs_get_inode() with gross lock held */ ++ yaffs_gross_unlock(dev); ++ ++ if (obj) { ++ inode = yaffs_get_inode(dir->i_sb, mode, rdev, obj); ++ d_instantiate(dentry, inode); ++ update_dir_time(dir); ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_mknod created object %d count = %d\n"), ++ obj->obj_id, atomic_read(&inode->i_count))); ++ error = 0; ++ yaffs_fill_inode_from_obj(dir,parent); ++ } else { ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_mknod failed making object\n"))); ++ error = -ENOMEM; ++ } ++ ++ return error; ++} ++ ++static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode) ++{ ++ int retVal; ++ T(YAFFS_TRACE_OS, (TSTR("yaffs_mkdir\n"))); ++ retVal = yaffs_mknod(dir, dentry, mode | S_IFDIR, 0); ++ return retVal; ++} ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode, ++ struct nameidata *n) ++#else ++static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode) ++#endif ++{ ++ T(YAFFS_TRACE_OS,(TSTR("yaffs_create\n"))); ++ return yaffs_mknod(dir, dentry, mode | S_IFREG, 0); ++} ++ ++static int yaffs_unlink(struct inode *dir, struct dentry *dentry) ++{ ++ int retVal; ++ ++ yaffs_dev_t *dev; ++ yaffs_obj_t *obj; ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_unlink %d:%s\n"), ++ (int)(dir->i_ino), ++ dentry->d_name.name)); ++ obj = yaffs_InodeToObject(dir); ++ dev = obj->my_dev; ++ ++ yaffs_gross_lock(dev); ++ ++ retVal = yaffs_unlinker(obj, dentry->d_name.name); ++ ++ if (retVal == YAFFS_OK) { ++ dentry->d_inode->i_nlink--; ++ dir->i_version++; ++ yaffs_gross_unlock(dev); ++ mark_inode_dirty(dentry->d_inode); ++ update_dir_time(dir); ++ return 0; ++ } ++ yaffs_gross_unlock(dev); ++ return -ENOTEMPTY; ++} ++ ++/* ++ * Create a link... ++ */ ++static int yaffs_link(struct dentry *old_dentry, struct inode *dir, ++ struct dentry *dentry) ++{ ++ struct inode *inode = old_dentry->d_inode; ++ yaffs_obj_t *obj = NULL; ++ yaffs_obj_t *link = NULL; ++ yaffs_dev_t *dev; ++ ++ T(YAFFS_TRACE_OS, (TSTR("yaffs_link\n"))); ++ ++ obj = yaffs_InodeToObject(inode); ++ dev = obj->my_dev; ++ ++ yaffs_gross_lock(dev); ++ ++ if (!S_ISDIR(inode->i_mode)) /* Don't link directories */ ++ link = yaffs_link_obj(yaffs_InodeToObject(dir), dentry->d_name.name, ++ obj); ++ ++ if (link) { ++ old_dentry->d_inode->i_nlink = yaffs_get_obj_link_count(obj); ++ d_instantiate(dentry, old_dentry->d_inode); ++ atomic_inc(&old_dentry->d_inode->i_count); ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_link link count %d i_count %d\n"), ++ old_dentry->d_inode->i_nlink, ++ atomic_read(&old_dentry->d_inode->i_count))); ++ } ++ ++ yaffs_gross_unlock(dev); ++ ++ if (link){ ++ update_dir_time(dir); ++ return 0; ++ } ++ ++ return -EPERM; ++} ++ ++static int yaffs_symlink(struct inode *dir, struct dentry *dentry, ++ const char *symname) ++{ ++ yaffs_obj_t *obj; ++ yaffs_dev_t *dev; ++ uid_t uid = YCRED(current)->fsuid; ++ gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid; ++ ++ T(YAFFS_TRACE_OS, (TSTR("yaffs_symlink\n"))); ++ ++ dev = yaffs_InodeToObject(dir)->my_dev; ++ yaffs_gross_lock(dev); ++ obj = yaffs_create_symlink(yaffs_InodeToObject(dir), dentry->d_name.name, ++ S_IFLNK | S_IRWXUGO, uid, gid, symname); ++ yaffs_gross_unlock(dev); ++ ++ if (obj) { ++ struct inode *inode; ++ ++ inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj); ++ d_instantiate(dentry, inode); ++ update_dir_time(dir); ++ T(YAFFS_TRACE_OS, (TSTR("symlink created OK\n"))); ++ return 0; ++ } else { ++ T(YAFFS_TRACE_OS, (TSTR("symlink not created\n"))); ++ } ++ ++ return -ENOMEM; ++} ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34)) ++static int yaffs_sync_object(struct file *file, int datasync) ++#else ++static int yaffs_sync_object(struct file *file, struct dentry *dentry, ++ int datasync) ++#endif ++{ ++ ++ yaffs_obj_t *obj; ++ yaffs_dev_t *dev; ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34)) ++ struct dentry *dentry = file->f_path.dentry; ++#endif ++ ++ obj = yaffs_dentry_to_obj(dentry); ++ ++ dev = obj->my_dev; ++ ++ T(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC, ++ (TSTR("yaffs_sync_object\n"))); ++ yaffs_gross_lock(dev); ++ yaffs_flush_file(obj, 1, datasync); ++ yaffs_gross_unlock(dev); ++ return 0; ++} ++ ++/* ++ * The VFS layer already does all the dentry stuff for rename. ++ * ++ * NB: POSIX says you can rename an object over an old object of the same name ++ */ ++static int yaffs_rename(struct inode *old_dir, struct dentry *old_dentry, ++ struct inode *new_dir, struct dentry *new_dentry) ++{ ++ yaffs_dev_t *dev; ++ int retVal = YAFFS_FAIL; ++ yaffs_obj_t *target; ++ ++ T(YAFFS_TRACE_OS, (TSTR("yaffs_rename\n"))); ++ dev = yaffs_InodeToObject(old_dir)->my_dev; ++ ++ yaffs_gross_lock(dev); ++ ++ /* Check if the target is an existing directory that is not empty. */ ++ target = yaffs_find_by_name(yaffs_InodeToObject(new_dir), ++ new_dentry->d_name.name); ++ ++ ++ ++ if (target && target->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY && ++ !ylist_empty(&target->variant.dir_variant.children)) { ++ ++ T(YAFFS_TRACE_OS, (TSTR("target is non-empty dir\n"))); ++ ++ retVal = YAFFS_FAIL; ++ } else { ++ /* Now does unlinking internally using shadowing mechanism */ ++ T(YAFFS_TRACE_OS, (TSTR("calling yaffs_rename_obj\n"))); ++ ++ retVal = yaffs_rename_obj(yaffs_InodeToObject(old_dir), ++ old_dentry->d_name.name, ++ yaffs_InodeToObject(new_dir), ++ new_dentry->d_name.name); ++ } ++ yaffs_gross_unlock(dev); ++ ++ if (retVal == YAFFS_OK) { ++ if (target) { ++ new_dentry->d_inode->i_nlink--; ++ mark_inode_dirty(new_dentry->d_inode); ++ } ++ ++ update_dir_time(old_dir); ++ if(old_dir != new_dir) ++ update_dir_time(new_dir); ++ return 0; ++ } else { ++ return -ENOTEMPTY; ++ } ++} ++ ++static int yaffs_setattr(struct dentry *dentry, struct iattr *attr) ++{ ++ struct inode *inode = dentry->d_inode; ++ int error = 0; ++ yaffs_dev_t *dev; ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_setattr of object %d\n"), ++ yaffs_InodeToObject(inode)->obj_id)); ++ ++ /* Fail if a requested resize >= 2GB */ ++ if (attr->ia_valid & ATTR_SIZE && ++ (attr->ia_size >> 31)) ++ error = -EINVAL; ++ ++ if (error == 0) ++ error = inode_change_ok(inode, attr); ++ if (error == 0) { ++ int result; ++ if (!error){ ++ error = yaffs_vfs_setattr(inode, attr); ++ T(YAFFS_TRACE_OS,(TSTR("inode_setattr called\n"))); ++ if (attr->ia_valid & ATTR_SIZE){ ++ yaffs_vfs_setsize(inode,attr->ia_size); ++ inode->i_blocks = (inode->i_size + 511) >> 9; ++ } ++ } ++ dev = yaffs_InodeToObject(inode)->my_dev; ++ if (attr->ia_valid & ATTR_SIZE){ ++ T(YAFFS_TRACE_OS,(TSTR("resize to %d(%x)\n"), ++ (int)(attr->ia_size),(int)(attr->ia_size))); ++ } ++ yaffs_gross_lock(dev); ++ result = yaffs_set_attribs(yaffs_InodeToObject(inode), attr); ++ if(result == YAFFS_OK) { ++ error = 0; ++ } else { ++ error = -EPERM; ++ } ++ yaffs_gross_unlock(dev); ++ ++ } ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_setattr done returning %d\n"),error)); ++ ++ return error; ++} ++ ++#ifdef CONFIG_YAFFS_XATTR ++int yaffs_setxattr(struct dentry *dentry, const char *name, ++ const void *value, size_t size, int flags) ++{ ++ struct inode *inode = dentry->d_inode; ++ int error = 0; ++ yaffs_dev_t *dev; ++ yaffs_obj_t *obj = yaffs_InodeToObject(inode); ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_setxattr of object %d\n"), ++ obj->obj_id)); ++ ++ ++ if (error == 0) { ++ int result; ++ dev = obj->my_dev; ++ yaffs_gross_lock(dev); ++ result = yaffs_set_xattrib(obj, name, value, size, flags); ++ if(result == YAFFS_OK) ++ error = 0; ++ else if(result < 0) ++ error = result; ++ yaffs_gross_unlock(dev); ++ ++ } ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_setxattr done returning %d\n"),error)); ++ ++ return error; ++} ++ ++ ++ssize_t yaffs_getxattr(struct dentry *dentry, const char *name, void *buff, ++ size_t size) ++{ ++ struct inode *inode = dentry->d_inode; ++ int error = 0; ++ yaffs_dev_t *dev; ++ yaffs_obj_t *obj = yaffs_InodeToObject(inode); ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_getxattr \"%s\" from object %d\n"), ++ name, obj->obj_id)); ++ ++ if (error == 0) { ++ dev = obj->my_dev; ++ yaffs_gross_lock(dev); ++ error = yaffs_get_xattrib(obj, name, buff, size); ++ yaffs_gross_unlock(dev); ++ ++ } ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_getxattr done returning %d\n"),error)); ++ ++ return error; ++} ++ ++int yaffs_removexattr(struct dentry *dentry, const char *name) ++{ ++ struct inode *inode = dentry->d_inode; ++ int error = 0; ++ yaffs_dev_t *dev; ++ yaffs_obj_t *obj = yaffs_InodeToObject(inode); ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_removexattr of object %d\n"), ++ obj->obj_id)); ++ ++ ++ if (error == 0) { ++ int result; ++ dev = obj->my_dev; ++ yaffs_gross_lock(dev); ++ result = yaffs_remove_xattrib(obj, name); ++ if(result == YAFFS_OK) ++ error = 0; ++ else if(result < 0) ++ error = result; ++ yaffs_gross_unlock(dev); ++ ++ } ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_removexattr done returning %d\n"),error)); ++ ++ return error; ++} ++ ++ssize_t yaffs_listxattr(struct dentry *dentry, char *buff, size_t size) ++{ ++ struct inode *inode = dentry->d_inode; ++ int error = 0; ++ yaffs_dev_t *dev; ++ yaffs_obj_t *obj = yaffs_InodeToObject(inode); ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_listxattr of object %d\n"), ++ obj->obj_id)); ++ ++ ++ if (error == 0) { ++ dev = obj->my_dev; ++ yaffs_gross_lock(dev); ++ error = yaffs_list_xattrib(obj, buff, size); ++ yaffs_gross_unlock(dev); ++ ++ } ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_listxattr done returning %d\n"),error)); ++ ++ return error; ++} ++ ++#endif ++ ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++static int yaffs_statfs(struct dentry *dentry, struct kstatfs *buf) ++{ ++ yaffs_dev_t *dev = yaffs_dentry_to_obj(dentry)->my_dev; ++ struct super_block *sb = dentry->d_sb; ++#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++static int yaffs_statfs(struct super_block *sb, struct kstatfs *buf) ++{ ++ yaffs_dev_t *dev = yaffs_SuperToDevice(sb); ++#else ++static int yaffs_statfs(struct super_block *sb, struct statfs *buf) ++{ ++ yaffs_dev_t *dev = yaffs_SuperToDevice(sb); ++#endif ++ ++ T(YAFFS_TRACE_OS, (TSTR("yaffs_statfs\n"))); ++ ++ yaffs_gross_lock(dev); ++ ++ buf->f_type = YAFFS_MAGIC; ++ buf->f_bsize = sb->s_blocksize; ++ buf->f_namelen = 255; ++ ++ if (dev->data_bytes_per_chunk & (dev->data_bytes_per_chunk - 1)) { ++ /* Do this if chunk size is not a power of 2 */ ++ ++ uint64_t bytesInDev; ++ uint64_t bytesFree; ++ ++ bytesInDev = ((uint64_t)((dev->param.end_block - dev->param.start_block + 1))) * ++ ((uint64_t)(dev->param.chunks_per_block * dev->data_bytes_per_chunk)); ++ ++ do_div(bytesInDev, sb->s_blocksize); /* bytesInDev becomes the number of blocks */ ++ buf->f_blocks = bytesInDev; ++ ++ bytesFree = ((uint64_t)(yaffs_get_n_free_chunks(dev))) * ++ ((uint64_t)(dev->data_bytes_per_chunk)); ++ ++ do_div(bytesFree, sb->s_blocksize); ++ ++ buf->f_bfree = bytesFree; ++ ++ } else if (sb->s_blocksize > dev->data_bytes_per_chunk) { ++ ++ buf->f_blocks = ++ (dev->param.end_block - dev->param.start_block + 1) * ++ dev->param.chunks_per_block / ++ (sb->s_blocksize / dev->data_bytes_per_chunk); ++ buf->f_bfree = ++ yaffs_get_n_free_chunks(dev) / ++ (sb->s_blocksize / dev->data_bytes_per_chunk); ++ } else { ++ buf->f_blocks = ++ (dev->param.end_block - dev->param.start_block + 1) * ++ dev->param.chunks_per_block * ++ (dev->data_bytes_per_chunk / sb->s_blocksize); ++ ++ buf->f_bfree = ++ yaffs_get_n_free_chunks(dev) * ++ (dev->data_bytes_per_chunk / sb->s_blocksize); ++ } ++ ++ buf->f_files = 0; ++ buf->f_ffree = 0; ++ buf->f_bavail = buf->f_bfree; ++ ++ yaffs_gross_unlock(dev); ++ return 0; ++} ++ ++ ++ ++static void yaffs_flush_inodes(struct super_block *sb) ++{ ++ struct inode *iptr; ++ yaffs_obj_t *obj; ++ ++ list_for_each_entry(iptr,&sb->s_inodes, i_sb_list){ ++ obj = yaffs_InodeToObject(iptr); ++ if(obj){ ++ T(YAFFS_TRACE_OS, (TSTR("flushing obj %d\n"), ++ obj->obj_id)); ++ yaffs_flush_file(obj,1,0); ++ } ++ } ++} ++ ++ ++static void yaffs_flush_super(struct super_block *sb, int do_checkpoint) ++{ ++ yaffs_dev_t *dev = yaffs_SuperToDevice(sb); ++ if(!dev) ++ return; ++ ++ yaffs_flush_inodes(sb); ++ yaffs_update_dirty_dirs(dev); ++ yaffs_flush_whole_cache(dev); ++ if(do_checkpoint) ++ yaffs_checkpoint_save(dev); ++} ++ ++ ++static unsigned yaffs_bg_gc_urgency(yaffs_dev_t *dev) ++{ ++ unsigned erasedChunks = dev->n_erased_blocks * dev->param.chunks_per_block; ++ struct yaffs_LinuxContext *context = yaffs_dev_to_lc(dev); ++ unsigned scatteredFree = 0; /* Free chunks not in an erased block */ ++ ++ if(erasedChunks < dev->n_free_chunks) ++ scatteredFree = (dev->n_free_chunks - erasedChunks); ++ ++ if(!context->bgRunning) ++ return 0; ++ else if(scatteredFree < (dev->param.chunks_per_block * 2)) ++ return 0; ++ else if(erasedChunks > dev->n_free_chunks/2) ++ return 0; ++ else if(erasedChunks > dev->n_free_chunks/4) ++ return 1; ++ else ++ return 2; ++} ++ ++static int yaffs_do_sync_fs(struct super_block *sb, ++ int request_checkpoint) ++{ ++ ++ yaffs_dev_t *dev = yaffs_SuperToDevice(sb); ++ unsigned int oneshot_checkpoint = (yaffs_auto_checkpoint & 4); ++ unsigned gc_urgent = yaffs_bg_gc_urgency(dev); ++ int do_checkpoint; ++ ++ T(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC | YAFFS_TRACE_BACKGROUND, ++ (TSTR("yaffs_do_sync_fs: gc-urgency %d %s %s%s\n"), ++ gc_urgent, ++ sb->s_dirt ? "dirty" : "clean", ++ request_checkpoint ? "checkpoint requested" : "no checkpoint", ++ oneshot_checkpoint ? " one-shot" : "" )); ++ ++ yaffs_gross_lock(dev); ++ do_checkpoint = ((request_checkpoint && !gc_urgent) || ++ oneshot_checkpoint) && ++ !dev->is_checkpointed; ++ ++ if (sb->s_dirt || do_checkpoint) { ++ yaffs_flush_super(sb, !dev->is_checkpointed && do_checkpoint); ++ sb->s_dirt = 0; ++ if(oneshot_checkpoint) ++ yaffs_auto_checkpoint &= ~4; ++ } ++ yaffs_gross_unlock(dev); ++ ++ return 0; ++} ++ ++/* ++ * yaffs background thread functions . ++ * yaffs_bg_thread_fn() the thread function ++ * yaffs_bg_start() launches the background thread. ++ * yaffs_bg_stop() cleans up the background thread. ++ * ++ * NB: ++ * The thread should only run after the yaffs is initialised ++ * The thread should be stopped before yaffs is unmounted. ++ * The thread should not do any writing while the fs is in read only. ++ */ ++ ++#ifdef YAFFS_COMPILE_BACKGROUND ++ ++void yaffs_background_waker(unsigned long data) ++{ ++ wake_up_process((struct task_struct *)data); ++} ++ ++static int yaffs_bg_thread_fn(void *data) ++{ ++ yaffs_dev_t *dev = (yaffs_dev_t *)data; ++ struct yaffs_LinuxContext *context = yaffs_dev_to_lc(dev); ++ unsigned long now = jiffies; ++ unsigned long next_dir_update = now; ++ unsigned long next_gc = now; ++ unsigned long expires; ++ unsigned int urgency; ++ ++ int gcResult; ++ struct timer_list timer; ++ ++ T(YAFFS_TRACE_BACKGROUND, ++ (TSTR("yaffs_background starting for dev %p\n"), ++ (void *)dev)); ++ ++#ifdef YAFFS_COMPILE_FREEZER ++ set_freezable(); ++#endif ++ while(context->bgRunning){ ++ T(YAFFS_TRACE_BACKGROUND, ++ (TSTR("yaffs_background\n"))); ++ ++ if(kthread_should_stop()) ++ break; ++ ++#ifdef YAFFS_COMPILE_FREEZER ++ if(try_to_freeze()) ++ continue; ++#endif ++ yaffs_gross_lock(dev); ++ ++ now = jiffies; ++ ++ if(time_after(now, next_dir_update) && yaffs_bg_enable){ ++ yaffs_update_dirty_dirs(dev); ++ next_dir_update = now + HZ; ++ } ++ ++ if(time_after(now,next_gc) && yaffs_bg_enable){ ++ if(!dev->is_checkpointed){ ++ urgency = yaffs_bg_gc_urgency(dev); ++ gcResult = yaffs_bg_gc(dev, urgency); ++ if(urgency > 1) ++ next_gc = now + HZ/20+1; ++ else if(urgency > 0) ++ next_gc = now + HZ/10+1; ++ else ++ next_gc = now + HZ * 2; ++ } else /* ++ * gc not running so set to next_dir_update ++ * to cut down on wake ups ++ */ ++ next_gc = next_dir_update; ++ } ++ yaffs_gross_unlock(dev); ++#if 1 ++ expires = next_dir_update; ++ if (time_before(next_gc,expires)) ++ expires = next_gc; ++ if(time_before(expires,now)) ++ expires = now + HZ; ++ ++ Y_INIT_TIMER(&timer); ++ timer.expires = expires+1; ++ timer.data = (unsigned long) current; ++ timer.function = yaffs_background_waker; ++ ++ set_current_state(TASK_INTERRUPTIBLE); ++ add_timer(&timer); ++ schedule(); ++ del_timer_sync(&timer); ++#else ++ msleep(10); ++#endif ++ } ++ ++ return 0; ++} ++ ++static int yaffs_bg_start(yaffs_dev_t *dev) ++{ ++ int retval = 0; ++ struct yaffs_LinuxContext *context = yaffs_dev_to_lc(dev); ++ ++ if(dev->read_only) ++ return -1; ++ ++ context->bgRunning = 1; ++ ++ context->bgThread = kthread_run(yaffs_bg_thread_fn, ++ (void *)dev,"yaffs-bg-%d",context->mount_id); ++ ++ if(IS_ERR(context->bgThread)){ ++ retval = PTR_ERR(context->bgThread); ++ context->bgThread = NULL; ++ context->bgRunning = 0; ++ } ++ return retval; ++} ++ ++static void yaffs_bg_stop(yaffs_dev_t *dev) ++{ ++ struct yaffs_LinuxContext *ctxt = yaffs_dev_to_lc(dev); ++ ++ ctxt->bgRunning = 0; ++ ++ if( ctxt->bgThread){ ++ kthread_stop(ctxt->bgThread); ++ ctxt->bgThread = NULL; ++ } ++} ++#else ++static int yaffs_bg_thread_fn(void *data) ++{ ++ return 0; ++} ++ ++static int yaffs_bg_start(yaffs_dev_t *dev) ++{ ++ return 0; ++} ++ ++static void yaffs_bg_stop(yaffs_dev_t *dev) ++{ ++} ++#endif ++ ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++static void yaffs_write_super(struct super_block *sb) ++#else ++static int yaffs_write_super(struct super_block *sb) ++#endif ++{ ++ unsigned request_checkpoint = (yaffs_auto_checkpoint >= 2); ++ ++ T(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC | YAFFS_TRACE_BACKGROUND, ++ (TSTR("yaffs_write_super%s\n"), ++ request_checkpoint ? " checkpt" : "")); ++ ++ yaffs_do_sync_fs(sb, request_checkpoint); ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18)) ++ return 0; ++#endif ++} ++ ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++static int yaffs_sync_fs(struct super_block *sb, int wait) ++#else ++static int yaffs_sync_fs(struct super_block *sb) ++#endif ++{ ++ unsigned request_checkpoint = (yaffs_auto_checkpoint >= 1); ++ ++ T(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC, ++ (TSTR("yaffs_sync_fs%s\n"), ++ request_checkpoint ? " checkpt" : "")); ++ ++ yaffs_do_sync_fs(sb, request_checkpoint); ++ ++ return 0; ++} ++ ++#ifdef YAFFS_USE_OWN_IGET ++ ++static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino) ++{ ++ struct inode *inode; ++ yaffs_obj_t *obj; ++ yaffs_dev_t *dev = yaffs_SuperToDevice(sb); ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_iget for %lu\n"), ino)); ++ ++ inode = iget_locked(sb, ino); ++ if (!inode) ++ return ERR_PTR(-ENOMEM); ++ if (!(inode->i_state & I_NEW)) ++ return inode; ++ ++ /* NB This is called as a side effect of other functions, but ++ * we had to release the lock to prevent deadlocks, so ++ * need to lock again. ++ */ ++ ++ yaffs_gross_lock(dev); ++ ++ obj = yaffs_find_by_number(dev, inode->i_ino); ++ ++ yaffs_fill_inode_from_obj(inode, obj); ++ ++ yaffs_gross_unlock(dev); ++ ++ unlock_new_inode(inode); ++ return inode; ++} ++ ++#else ++ ++static void yaffs_read_inode(struct inode *inode) ++{ ++ /* NB This is called as a side effect of other functions, but ++ * we had to release the lock to prevent deadlocks, so ++ * need to lock again. ++ */ ++ ++ yaffs_obj_t *obj; ++ yaffs_dev_t *dev = yaffs_SuperToDevice(inode->i_sb); ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_read_inode for %d\n"), (int)inode->i_ino)); ++ ++ if(current != yaffs_dev_to_lc(dev)->readdirProcess) ++ yaffs_gross_lock(dev); ++ ++ obj = yaffs_find_by_number(dev, inode->i_ino); ++ ++ yaffs_fill_inode_from_obj(inode, obj); ++ ++ if(current != yaffs_dev_to_lc(dev)->readdirProcess) ++ yaffs_gross_unlock(dev); ++} ++ ++#endif ++ ++static YLIST_HEAD(yaffs_context_list); ++struct semaphore yaffs_context_lock; ++ ++static void yaffs_put_super(struct super_block *sb) ++{ ++ yaffs_dev_t *dev = yaffs_SuperToDevice(sb); ++ ++ T(YAFFS_TRACE_OS, (TSTR("yaffs_put_super\n"))); ++ ++ T(YAFFS_TRACE_OS | YAFFS_TRACE_BACKGROUND, ++ (TSTR("Shutting down yaffs background thread\n"))); ++ yaffs_bg_stop(dev); ++ T(YAFFS_TRACE_OS | YAFFS_TRACE_BACKGROUND, ++ (TSTR("yaffs background thread shut down\n"))); ++ ++ yaffs_gross_lock(dev); ++ ++ yaffs_flush_super(sb,1); ++ ++ if (yaffs_dev_to_lc(dev)->putSuperFunc) ++ yaffs_dev_to_lc(dev)->putSuperFunc(sb); ++ ++ ++ yaffs_deinitialise(dev); ++ ++ yaffs_gross_unlock(dev); ++ ++ down(&yaffs_context_lock); ++ ylist_del_init(&(yaffs_dev_to_lc(dev)->contextList)); ++ up(&yaffs_context_lock); ++ ++ if (yaffs_dev_to_lc(dev)->spareBuffer) { ++ YFREE(yaffs_dev_to_lc(dev)->spareBuffer); ++ yaffs_dev_to_lc(dev)->spareBuffer = NULL; ++ } ++ ++ kfree(dev); ++} ++ ++ ++static void yaffs_MTDPutSuper(struct super_block *sb) ++{ ++ struct mtd_info *mtd = yaffs_dev_to_mtd(yaffs_SuperToDevice(sb)); ++ ++ if (mtd->sync) ++ mtd->sync(mtd); ++ ++ put_mtd_device(mtd); ++} ++ ++ ++static void yaffs_touch_super(yaffs_dev_t *dev) ++{ ++ struct super_block *sb = yaffs_dev_to_lc(dev)->superBlock; ++ ++ T(YAFFS_TRACE_OS, (TSTR("yaffs_touch_super() sb = %p\n"), sb)); ++ if (sb) ++ sb->s_dirt = 1; ++} ++ ++typedef struct { ++ int inband_tags; ++ int skip_checkpoint_read; ++ int skip_checkpoint_write; ++ int no_cache; ++ int tags_ecc_on; ++ int tags_ecc_overridden; ++ int lazy_loading_enabled; ++ int lazy_loading_overridden; ++ int empty_lost_and_found; ++ int empty_lost_and_found_overridden; ++} yaffs_options; ++ ++#define MAX_OPT_LEN 30 ++static int yaffs_parse_options(yaffs_options *options, const char *options_str) ++{ ++ char cur_opt[MAX_OPT_LEN + 1]; ++ int p; ++ int error = 0; ++ ++ /* Parse through the options which is a comma seperated list */ ++ ++ while (options_str && *options_str && !error) { ++ memset(cur_opt, 0, MAX_OPT_LEN + 1); ++ p = 0; ++ ++ while(*options_str == ',') ++ options_str++; ++ ++ while (*options_str && *options_str != ',') { ++ if (p < MAX_OPT_LEN) { ++ cur_opt[p] = *options_str; ++ p++; ++ } ++ options_str++; ++ } ++ ++ if (!strcmp(cur_opt, "inband-tags")) ++ options->inband_tags = 1; ++ else if (!strcmp(cur_opt, "tags-ecc-off")){ ++ options->tags_ecc_on = 0; ++ options->tags_ecc_overridden=1; ++ } else if (!strcmp(cur_opt, "tags-ecc-on")){ ++ options->tags_ecc_on = 1; ++ options->tags_ecc_overridden = 1; ++ } else if (!strcmp(cur_opt, "lazy-loading-off")){ ++ options->lazy_loading_enabled = 0; ++ options->lazy_loading_overridden=1; ++ } else if (!strcmp(cur_opt, "lazy-loading-on")){ ++ options->lazy_loading_enabled = 1; ++ options->lazy_loading_overridden = 1; ++ } else if (!strcmp(cur_opt, "empty-lost-and-found-off")){ ++ options->empty_lost_and_found = 0; ++ options->empty_lost_and_found_overridden=1; ++ } else if (!strcmp(cur_opt, "empty-lost-and-found-on")){ ++ options->empty_lost_and_found = 1; ++ options->empty_lost_and_found_overridden=1; ++ } else if (!strcmp(cur_opt, "no-cache")) ++ options->no_cache = 1; ++ else if (!strcmp(cur_opt, "no-checkpoint-read")) ++ options->skip_checkpoint_read = 1; ++ else if (!strcmp(cur_opt, "no-checkpoint-write")) ++ options->skip_checkpoint_write = 1; ++ else if (!strcmp(cur_opt, "no-checkpoint")) { ++ options->skip_checkpoint_read = 1; ++ options->skip_checkpoint_write = 1; ++ } else { ++ printk(KERN_INFO "yaffs: Bad mount option \"%s\"\n", ++ cur_opt); ++ error = 1; ++ } ++ } ++ ++ return error; ++} ++ ++static struct super_block *yaffs_internal_read_super(int yaffs_version, ++ struct super_block *sb, ++ void *data, int silent) ++{ ++ int nBlocks; ++ struct inode *inode = NULL; ++ struct dentry *root; ++ yaffs_dev_t *dev = 0; ++ char devname_buf[BDEVNAME_SIZE + 1]; ++ struct mtd_info *mtd; ++ int err; ++ char *data_str = (char *)data; ++ struct yaffs_LinuxContext *context = NULL; ++ yaffs_param_t *param; ++ ++ int read_only = 0; ++ ++ yaffs_options options; ++ ++ unsigned mount_id; ++ int found; ++ struct yaffs_LinuxContext *context_iterator; ++ struct ylist_head *l; ++ ++ sb->s_magic = YAFFS_MAGIC; ++ sb->s_op = &yaffs_super_ops; ++ sb->s_flags |= MS_NOATIME; ++ ++ read_only =((sb->s_flags & MS_RDONLY) != 0); ++ ++ ++#ifdef YAFFS_COMPILE_EXPORTFS ++ sb->s_export_op = &yaffs_export_ops; ++#endif ++ ++ if (!sb) ++ printk(KERN_INFO "yaffs: sb is NULL\n"); ++ else if (!sb->s_dev) ++ printk(KERN_INFO "yaffs: sb->s_dev is NULL\n"); ++ else if (!yaffs_devname(sb, devname_buf)) ++ printk(KERN_INFO "yaffs: devname is NULL\n"); ++ else ++ printk(KERN_INFO "yaffs: dev is %d name is \"%s\" %s\n", ++ sb->s_dev, ++ yaffs_devname(sb, devname_buf), ++ read_only ? "ro" : "rw"); ++ ++ if (!data_str) ++ data_str = ""; ++ ++ printk(KERN_INFO "yaffs: passed flags \"%s\"\n", data_str); ++ ++ memset(&options, 0, sizeof(options)); ++ ++ if (yaffs_parse_options(&options, data_str)) { ++ /* Option parsing failed */ ++ return NULL; ++ } ++ ++ ++ sb->s_blocksize = PAGE_CACHE_SIZE; ++ sb->s_blocksize_bits = PAGE_CACHE_SHIFT; ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_read_super: Using yaffs%d\n"), yaffs_version)); ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_read_super: block size %d\n"), ++ (int)(sb->s_blocksize))); ++ ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR("yaffs: Attempting MTD mount of %u.%u,\"%s\"\n"), ++ MAJOR(sb->s_dev), MINOR(sb->s_dev), ++ yaffs_devname(sb, devname_buf))); ++ ++ /* Check it's an mtd device..... */ ++ if (MAJOR(sb->s_dev) != MTD_BLOCK_MAJOR) ++ return NULL; /* This isn't an mtd device */ ++ ++ /* Get the device */ ++ mtd = get_mtd_device(NULL, MINOR(sb->s_dev)); ++ if (!mtd) { ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR("yaffs: MTD device #%u doesn't appear to exist\n"), ++ MINOR(sb->s_dev))); ++ return NULL; ++ } ++ /* Check it's NAND */ ++ if (mtd->type != MTD_NANDFLASH) { ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR("yaffs: MTD device is not NAND it's type %d\n"), ++ mtd->type)); ++ return NULL; ++ } ++ ++ T(YAFFS_TRACE_OS, (TSTR(" erase %p\n"), mtd->erase)); ++ T(YAFFS_TRACE_OS, (TSTR(" read %p\n"), mtd->read)); ++ T(YAFFS_TRACE_OS, (TSTR(" write %p\n"), mtd->write)); ++ T(YAFFS_TRACE_OS, (TSTR(" readoob %p\n"), mtd->read_oob)); ++ T(YAFFS_TRACE_OS, (TSTR(" writeoob %p\n"), mtd->write_oob)); ++ T(YAFFS_TRACE_OS, (TSTR(" block_isbad %p\n"), mtd->block_isbad)); ++ T(YAFFS_TRACE_OS, (TSTR(" block_markbad %p\n"), mtd->block_markbad)); ++ T(YAFFS_TRACE_OS, (TSTR(" %s %d\n"), WRITE_SIZE_STR, WRITE_SIZE(mtd))); ++ T(YAFFS_TRACE_OS, (TSTR(" oobsize %d\n"), mtd->oobsize)); ++ T(YAFFS_TRACE_OS, (TSTR(" erasesize %d\n"), mtd->erasesize)); ++#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29) ++ T(YAFFS_TRACE_OS, (TSTR(" size %u\n"), mtd->size)); ++#else ++ T(YAFFS_TRACE_OS, (TSTR(" size %lld\n"), mtd->size)); ++#endif ++ ++#ifdef CONFIG_YAFFS_AUTO_YAFFS2 ++ ++ if (yaffs_version == 1 && WRITE_SIZE(mtd) >= 2048) { ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR("yaffs: auto selecting yaffs2\n"))); ++ yaffs_version = 2; ++ } ++ ++ /* Added NCB 26/5/2006 for completeness */ ++ if (yaffs_version == 2 && !options.inband_tags && WRITE_SIZE(mtd) == 512) { ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR("yaffs: auto selecting yaffs1\n"))); ++ yaffs_version = 1; ++ } ++ ++#endif ++ ++ if (yaffs_version == 2) { ++ /* Check for version 2 style functions */ ++ if (!mtd->erase || ++ !mtd->block_isbad || ++ !mtd->block_markbad || ++ !mtd->read || ++ !mtd->write || ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++ !mtd->read_oob || !mtd->write_oob) { ++#else ++ !mtd->write_ecc || ++ !mtd->read_ecc || !mtd->read_oob || !mtd->write_oob) { ++#endif ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR("yaffs: MTD device does not support required " ++ "functions\n"))); ++ return NULL; ++ } ++ ++ if ((WRITE_SIZE(mtd) < YAFFS_MIN_YAFFS2_CHUNK_SIZE || ++ mtd->oobsize < YAFFS_MIN_YAFFS2_SPARE_SIZE) && ++ !options.inband_tags) { ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR("yaffs: MTD device does not have the " ++ "right page sizes\n"))); ++ return NULL; ++ } ++ } else { ++ /* Check for V1 style functions */ ++ if (!mtd->erase || ++ !mtd->read || ++ !mtd->write || ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++ !mtd->read_oob || !mtd->write_oob) { ++#else ++ !mtd->write_ecc || ++ !mtd->read_ecc || !mtd->read_oob || !mtd->write_oob) { ++#endif ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR("yaffs: MTD device does not support required " ++ "functions\n"))); ++ return NULL; ++ } ++ ++ if (WRITE_SIZE(mtd) < YAFFS_BYTES_PER_CHUNK || ++ mtd->oobsize != YAFFS_BYTES_PER_SPARE) { ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR("yaffs: MTD device does not support have the " ++ "right page sizes\n"))); ++ return NULL; ++ } ++ } ++ ++ /* OK, so if we got here, we have an MTD that's NAND and looks ++ * like it has the right capabilities ++ * Set the yaffs_dev_t up for mtd ++ */ ++ ++ if (!read_only && !(mtd->flags & MTD_WRITEABLE)){ ++ read_only = 1; ++ printk(KERN_INFO "yaffs: mtd is read only, setting superblock read only"); ++ sb->s_flags |= MS_RDONLY; ++ } ++ ++ dev = kmalloc(sizeof(yaffs_dev_t), GFP_KERNEL); ++ context = kmalloc(sizeof(struct yaffs_LinuxContext),GFP_KERNEL); ++ ++ if(!dev || !context ){ ++ if(dev) ++ kfree(dev); ++ if(context) ++ kfree(context); ++ dev = NULL; ++ context = NULL; ++ } ++ ++ if (!dev) { ++ /* Deep shit could not allocate device structure */ ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR("yaffs_read_super: Failed trying to allocate " ++ "yaffs_dev_t. \n"))); ++ return NULL; ++ } ++ memset(dev, 0, sizeof(yaffs_dev_t)); ++ param = &(dev->param); ++ ++ memset(context,0,sizeof(struct yaffs_LinuxContext)); ++ dev->os_context = context; ++ YINIT_LIST_HEAD(&(context->contextList)); ++ context->dev = dev; ++ context->superBlock = sb; ++ ++ dev->read_only = read_only; ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++ sb->s_fs_info = dev; ++#else ++ sb->u.generic_sbp = dev; ++#endif ++ ++ dev->driver_context = mtd; ++ param->name = mtd->name; ++ ++ /* Set up the memory size parameters.... */ ++ ++ nBlocks = YCALCBLOCKS(mtd->size, (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK)); ++ ++ param->start_block = 0; ++ param->end_block = nBlocks - 1; ++ param->chunks_per_block = YAFFS_CHUNKS_PER_BLOCK; ++ param->total_bytes_per_chunk = YAFFS_BYTES_PER_CHUNK; ++ param->n_reserved_blocks = 5; ++ param->n_caches = (options.no_cache) ? 0 : 10; ++ param->inband_tags = options.inband_tags; ++ ++#ifdef CONFIG_YAFFS_DISABLE_LAZY_LOAD ++ param->disable_lazy_load = 1; ++#endif ++#ifdef CONFIG_YAFFS_XATTR ++ param->enable_xattr = 1; ++#endif ++ if(options.lazy_loading_overridden) ++ param->disable_lazy_load = !options.lazy_loading_enabled; ++ ++#ifdef CONFIG_YAFFS_DISABLE_TAGS_ECC ++ param->no_tags_ecc = 1; ++#endif ++ ++#ifdef CONFIG_YAFFS_DISABLE_BACKGROUND ++#else ++ param->defered_dir_update = 1; ++#endif ++ ++ if(options.tags_ecc_overridden) ++ param->no_tags_ecc = !options.tags_ecc_on; ++ ++#ifdef CONFIG_YAFFS_EMPTY_LOST_AND_FOUND ++ param->empty_lost_n_found = 1; ++#endif ++ ++#ifdef CONFIG_YAFFS_DISABLE_BLOCK_REFRESHING ++ param->refresh_period = 0; ++#else ++ param->refresh_period = 500; ++#endif ++ ++#ifdef CONFIG_YAFFS__ALWAYS_CHECK_CHUNK_ERASED ++ param->always_check_erased = 1; ++#endif ++ ++ if(options.empty_lost_and_found_overridden) ++ param->empty_lost_n_found = options.empty_lost_and_found; ++ ++ /* ... and the functions. */ ++ if (yaffs_version == 2) { ++ param->write_chunk_tags_fn = ++ nandmtd2_WriteChunkWithTagsToNAND; ++ param->read_chunk_tags_fn = ++ nandmtd2_ReadChunkWithTagsFromNAND; ++ param->bad_block_fn = nandmtd2_MarkNANDBlockBad; ++ param->query_block_fn = nandmtd2_QueryNANDBlock; ++ yaffs_dev_to_lc(dev)->spareBuffer = YMALLOC(mtd->oobsize); ++ param->is_yaffs2 = 1; ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++ param->total_bytes_per_chunk = mtd->writesize; ++ param->chunks_per_block = mtd->erasesize / mtd->writesize; ++#else ++ param->total_bytes_per_chunk = mtd->oobblock; ++ param->chunks_per_block = mtd->erasesize / mtd->oobblock; ++#endif ++ nBlocks = YCALCBLOCKS(mtd->size, mtd->erasesize); ++ ++ param->start_block = 0; ++ param->end_block = nBlocks - 1; ++ } else { ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++ /* use the MTD interface in yaffs_mtdif1.c */ ++ param->write_chunk_tags_fn = ++ nandmtd1_WriteChunkWithTagsToNAND; ++ param->read_chunk_tags_fn = ++ nandmtd1_ReadChunkWithTagsFromNAND; ++ param->bad_block_fn = nandmtd1_MarkNANDBlockBad; ++ param->query_block_fn = nandmtd1_QueryNANDBlock; ++#else ++ param->write_chunk_fn = nandmtd_WriteChunkToNAND; ++ param->read_chunk_fn = nandmtd_ReadChunkFromNAND; ++#endif ++ param->is_yaffs2 = 0; ++ } ++ /* ... and common functions */ ++ param->erase_fn = nandmtd_EraseBlockInNAND; ++ param->initialise_flash_fn = nandmtd_InitialiseNAND; ++ ++ yaffs_dev_to_lc(dev)->putSuperFunc = yaffs_MTDPutSuper; ++ ++ param->sb_dirty_fn = yaffs_touch_super; ++ param->gc_control = yaffs_gc_control_callback; ++ ++ yaffs_dev_to_lc(dev)->superBlock= sb; ++ ++ ++#ifndef CONFIG_YAFFS_DOES_ECC ++ param->use_nand_ecc = 1; ++#endif ++ ++#ifdef CONFIG_YAFFS_DISABLE_WIDE_TNODES ++ param->wide_tnodes_disabled = 1; ++#endif ++ ++ param->skip_checkpt_rd = options.skip_checkpoint_read; ++ param->skip_checkpt_wr = options.skip_checkpoint_write; ++ ++ down(&yaffs_context_lock); ++ /* Get a mount id */ ++ found = 0; ++ for(mount_id=0; ! found; mount_id++){ ++ found = 1; ++ ylist_for_each(l,&yaffs_context_list){ ++ context_iterator = ylist_entry(l,struct yaffs_LinuxContext,contextList); ++ if(context_iterator->mount_id == mount_id) ++ found = 0; ++ } ++ } ++ context->mount_id = mount_id; ++ ++ ylist_add_tail(&(yaffs_dev_to_lc(dev)->contextList), &yaffs_context_list); ++ up(&yaffs_context_lock); ++ ++ /* Directory search handling...*/ ++ YINIT_LIST_HEAD(&(yaffs_dev_to_lc(dev)->searchContexts)); ++ param->remove_obj_fn = yaffs_remove_obj_callback; ++ ++ init_MUTEX(&(yaffs_dev_to_lc(dev)->grossLock)); ++ ++ yaffs_gross_lock(dev); ++ ++ err = yaffs_guts_initialise(dev); ++ ++ T(YAFFS_TRACE_OS, ++ (TSTR("yaffs_read_super: guts initialised %s\n"), ++ (err == YAFFS_OK) ? "OK" : "FAILED")); ++ ++ if(err == YAFFS_OK) ++ yaffs_bg_start(dev); ++ ++ if(!context->bgThread) ++ param->defered_dir_update = 0; ++ ++ ++ /* Release lock before yaffs_get_inode() */ ++ yaffs_gross_unlock(dev); ++ ++ /* Create root inode */ ++ if (err == YAFFS_OK) ++ inode = yaffs_get_inode(sb, S_IFDIR | 0755, 0, ++ yaffs_root(dev)); ++ ++ if (!inode) ++ return NULL; ++ ++ inode->i_op = &yaffs_dir_inode_operations; ++ inode->i_fop = &yaffs_dir_operations; ++ ++ T(YAFFS_TRACE_OS, (TSTR("yaffs_read_super: got root inode\n"))); ++ ++ root = d_alloc_root(inode); ++ ++ T(YAFFS_TRACE_OS, (TSTR("yaffs_read_super: d_alloc_root done\n"))); ++ ++ if (!root) { ++ iput(inode); ++ return NULL; ++ } ++ sb->s_root = root; ++ sb->s_dirt = !dev->is_checkpointed; ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR("yaffs_read_super: is_checkpointed %d\n"), ++ dev->is_checkpointed)); ++ ++ T(YAFFS_TRACE_OS, (TSTR("yaffs_read_super: done\n"))); ++ return sb; ++} ++ ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++static int yaffs_internal_read_super_mtd(struct super_block *sb, void *data, ++ int silent) ++{ ++ return yaffs_internal_read_super(1, sb, data, silent) ? 0 : -EINVAL; ++} ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++static int yaffs_read_super(struct file_system_type *fs, ++ int flags, const char *dev_name, ++ void *data, struct vfsmount *mnt) ++{ ++ ++ return get_sb_bdev(fs, flags, dev_name, data, ++ yaffs_internal_read_super_mtd, mnt); ++} ++#else ++static struct super_block *yaffs_read_super(struct file_system_type *fs, ++ int flags, const char *dev_name, ++ void *data) ++{ ++ ++ return get_sb_bdev(fs, flags, dev_name, data, ++ yaffs_internal_read_super_mtd); ++} ++#endif ++ ++static struct file_system_type yaffs_fs_type = { ++ .owner = THIS_MODULE, ++ .name = "yaffs", ++ .get_sb = yaffs_read_super, ++ .kill_sb = kill_block_super, ++ .fs_flags = FS_REQUIRES_DEV, ++}; ++#else ++static struct super_block *yaffs_read_super(struct super_block *sb, void *data, ++ int silent) ++{ ++ return yaffs_internal_read_super(1, sb, data, silent); ++} ++ ++static DECLARE_FSTYPE(yaffs_fs_type, "yaffs", yaffs_read_super, ++ FS_REQUIRES_DEV); ++#endif ++ ++ ++#ifdef CONFIG_YAFFS_YAFFS2 ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++static int yaffs2_internal_read_super_mtd(struct super_block *sb, void *data, ++ int silent) ++{ ++ return yaffs_internal_read_super(2, sb, data, silent) ? 0 : -EINVAL; ++} ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++static int yaffs2_read_super(struct file_system_type *fs, ++ int flags, const char *dev_name, void *data, ++ struct vfsmount *mnt) ++{ ++ return get_sb_bdev(fs, flags, dev_name, data, ++ yaffs2_internal_read_super_mtd, mnt); ++} ++#else ++static struct super_block *yaffs2_read_super(struct file_system_type *fs, ++ int flags, const char *dev_name, ++ void *data) ++{ ++ ++ return get_sb_bdev(fs, flags, dev_name, data, ++ yaffs2_internal_read_super_mtd); ++} ++#endif ++ ++static struct file_system_type yaffs2_fs_type = { ++ .owner = THIS_MODULE, ++ .name = "yaffs2", ++ .get_sb = yaffs2_read_super, ++ .kill_sb = kill_block_super, ++ .fs_flags = FS_REQUIRES_DEV, ++}; ++#else ++static struct super_block *yaffs2_read_super(struct super_block *sb, ++ void *data, int silent) ++{ ++ return yaffs_internal_read_super(2, sb, data, silent); ++} ++ ++static DECLARE_FSTYPE(yaffs2_fs_type, "yaffs2", yaffs2_read_super, ++ FS_REQUIRES_DEV); ++#endif ++ ++#endif /* CONFIG_YAFFS_YAFFS2 */ ++ ++static struct proc_dir_entry *my_proc_entry; ++static struct proc_dir_entry *debug_proc_entry; ++ ++static char *yaffs_dump_dev_part0(char *buf, yaffs_dev_t * dev) ++{ ++ buf += sprintf(buf, "start_block.......... %d\n", dev->param.start_block); ++ buf += sprintf(buf, "end_block............ %d\n", dev->param.end_block); ++ buf += sprintf(buf, "total_bytes_per_chunk %d\n", dev->param.total_bytes_per_chunk); ++ buf += sprintf(buf, "use_nand_ecc......... %d\n", dev->param.use_nand_ecc); ++ buf += sprintf(buf, "no_tags_ecc.......... %d\n", dev->param.no_tags_ecc); ++ buf += sprintf(buf, "is_yaffs2............ %d\n", dev->param.is_yaffs2); ++ buf += sprintf(buf, "inband_tags.......... %d\n", dev->param.inband_tags); ++ buf += sprintf(buf, "empty_lost_n_found... %d\n", dev->param.empty_lost_n_found); ++ buf += sprintf(buf, "disable_lazy_load.... %d\n", dev->param.disable_lazy_load); ++ buf += sprintf(buf, "refresh_period....... %d\n", dev->param.refresh_period); ++ buf += sprintf(buf, "n_caches............. %d\n", dev->param.n_caches); ++ buf += sprintf(buf, "n_reserved_blocks.... %d\n", dev->param.n_reserved_blocks); ++ buf += sprintf(buf, "always_check_erased.. %d\n", dev->param.always_check_erased); ++ ++ buf += sprintf(buf, "\n"); ++ ++ return buf; ++} ++ ++ ++static char *yaffs_dump_dev_part1(char *buf, yaffs_dev_t * dev) ++{ ++ buf += sprintf(buf, "data_bytes_per_chunk. %d\n", dev->data_bytes_per_chunk); ++ buf += sprintf(buf, "chunk_grp_bits....... %d\n", dev->chunk_grp_bits); ++ buf += sprintf(buf, "chunk_grp_size....... %d\n", dev->chunk_grp_size); ++ buf += sprintf(buf, "n_erased_blocks...... %d\n", dev->n_erased_blocks); ++ buf += sprintf(buf, "blocks_in_checkpt.... %d\n", dev->blocks_in_checkpt); ++ buf += sprintf(buf, "\n"); ++ buf += sprintf(buf, "n_tnodes............. %d\n", dev->n_tnodes); ++ buf += sprintf(buf, "n_obj................ %d\n", dev->n_obj); ++ buf += sprintf(buf, "n_free_chunks........ %d\n", dev->n_free_chunks); ++ buf += sprintf(buf, "\n"); ++ buf += sprintf(buf, "n_page_writes........ %u\n", dev->n_page_writes); ++ buf += sprintf(buf, "n_page_reads......... %u\n", dev->n_page_reads); ++ buf += sprintf(buf, "n_erasures........... %u\n", dev->n_erasures); ++ buf += sprintf(buf, "n_gc_copies.......... %u\n", dev->n_gc_copies); ++ buf += sprintf(buf, "all_gcs.............. %u\n", dev->all_gcs); ++ buf += sprintf(buf, "passive_gc_count..... %u\n", dev->passive_gc_count); ++ buf += sprintf(buf, "oldest_dirty_gc_count %u\n", dev->oldest_dirty_gc_count); ++ buf += sprintf(buf, "n_gc_blocks.......... %u\n", dev->n_gc_blocks); ++ buf += sprintf(buf, "bg_gcs............... %u\n", dev->bg_gcs); ++ buf += sprintf(buf, "n_retired_writes..... %u\n", dev->n_retired_writes); ++ buf += sprintf(buf, "nRetireBlocks........ %u\n", dev->n_retired_blocks); ++ buf += sprintf(buf, "n_ecc_fixed.......... %u\n", dev->n_ecc_fixed); ++ buf += sprintf(buf, "n_ecc_unfixed........ %u\n", dev->n_ecc_unfixed); ++ buf += sprintf(buf, "n_tags_ecc_fixed..... %u\n", dev->n_tags_ecc_fixed); ++ buf += sprintf(buf, "n_tags_ecc_unfixed... %u\n", dev->n_tags_ecc_unfixed); ++ buf += sprintf(buf, "cache_hits........... %u\n", dev->cache_hits); ++ buf += sprintf(buf, "n_deleted_files...... %u\n", dev->n_deleted_files); ++ buf += sprintf(buf, "n_unlinked_files..... %u\n", dev->n_unlinked_files); ++ buf += sprintf(buf, "refresh_count........ %u\n", dev->refresh_count); ++ buf += sprintf(buf, "n_bg_deletions....... %u\n", dev->n_bg_deletions); ++ ++ return buf; ++} ++ ++static int yaffs_proc_read(char *page, ++ char **start, ++ off_t offset, int count, int *eof, void *data) ++{ ++ struct ylist_head *item; ++ char *buf = page; ++ int step = offset; ++ int n = 0; ++ ++ /* Get proc_file_read() to step 'offset' by one on each sucessive call. ++ * We use 'offset' (*ppos) to indicate where we are in dev_list. ++ * This also assumes the user has posted a read buffer large ++ * enough to hold the complete output; but that's life in /proc. ++ */ ++ ++ *(int *)start = 1; ++ ++ /* Print header first */ ++ if (step == 0) ++ buf += sprintf(buf, "Multi-version YAFFS built:" __DATE__ " " __TIME__"\n"); ++ else if (step == 1) ++ buf += sprintf(buf,"\n"); ++ else { ++ step-=2; ++ ++ down(&yaffs_context_lock); ++ ++ /* Locate and print the Nth entry. Order N-squared but N is small. */ ++ ylist_for_each(item, &yaffs_context_list) { ++ struct yaffs_LinuxContext *dc = ylist_entry(item, struct yaffs_LinuxContext, contextList); ++ yaffs_dev_t *dev = dc->dev; ++ ++ if (n < (step & ~1)) { ++ n+=2; ++ continue; ++ } ++ if((step & 1)==0){ ++ buf += sprintf(buf, "\nDevice %d \"%s\"\n", n, dev->param.name); ++ buf = yaffs_dump_dev_part0(buf, dev); ++ } else ++ buf = yaffs_dump_dev_part1(buf, dev); ++ ++ break; ++ } ++ up(&yaffs_context_lock); ++ } ++ ++ return buf - page < count ? buf - page : count; ++} ++ ++static int yaffs_stats_proc_read(char *page, ++ char **start, ++ off_t offset, int count, int *eof, void *data) ++{ ++ struct ylist_head *item; ++ char *buf = page; ++ int n = 0; ++ ++ down(&yaffs_context_lock); ++ ++ /* Locate and print the Nth entry. Order N-squared but N is small. */ ++ ylist_for_each(item, &yaffs_context_list) { ++ struct yaffs_LinuxContext *dc = ylist_entry(item, struct yaffs_LinuxContext, contextList); ++ yaffs_dev_t *dev = dc->dev; ++ ++ int erasedChunks; ++ ++ erasedChunks = dev->n_erased_blocks * dev->param.chunks_per_block; ++ ++ buf += sprintf(buf,"%d, %d, %d, %u, %u, %u, %u\n", ++ n, dev->n_free_chunks, erasedChunks, ++ dev->bg_gcs, dev->oldest_dirty_gc_count, ++ dev->n_obj, dev->n_tnodes); ++ } ++ up(&yaffs_context_lock); ++ ++ ++ return buf - page < count ? buf - page : count; ++} ++ ++/** ++ * Set the verbosity of the warnings and error messages. ++ * ++ * Note that the names can only be a..z or _ with the current code. ++ */ ++ ++static struct { ++ char *mask_name; ++ unsigned mask_bitfield; ++} mask_flags[] = { ++ {"allocate", YAFFS_TRACE_ALLOCATE}, ++ {"always", YAFFS_TRACE_ALWAYS}, ++ {"background", YAFFS_TRACE_BACKGROUND}, ++ {"bad_blocks", YAFFS_TRACE_BAD_BLOCKS}, ++ {"buffers", YAFFS_TRACE_BUFFERS}, ++ {"bug", YAFFS_TRACE_BUG}, ++ {"checkpt", YAFFS_TRACE_CHECKPOINT}, ++ {"deletion", YAFFS_TRACE_DELETION}, ++ {"erase", YAFFS_TRACE_ERASE}, ++ {"error", YAFFS_TRACE_ERROR}, ++ {"gc_detail", YAFFS_TRACE_GC_DETAIL}, ++ {"gc", YAFFS_TRACE_GC}, ++ {"lock", YAFFS_TRACE_LOCK}, ++ {"mtd", YAFFS_TRACE_MTD}, ++ {"nandaccess", YAFFS_TRACE_NANDACCESS}, ++ {"os", YAFFS_TRACE_OS}, ++ {"scan_debug", YAFFS_TRACE_SCAN_DEBUG}, ++ {"scan", YAFFS_TRACE_SCAN}, ++ {"tracing", YAFFS_TRACE_TRACING}, ++ {"sync", YAFFS_TRACE_SYNC}, ++ {"write", YAFFS_TRACE_WRITE}, ++ ++ {"verify", YAFFS_TRACE_VERIFY}, ++ {"verify_nand", YAFFS_TRACE_VERIFY_NAND}, ++ {"verify_full", YAFFS_TRACE_VERIFY_FULL}, ++ {"verify_all", YAFFS_TRACE_VERIFY_ALL}, ++ ++ {"all", 0xffffffff}, ++ {"none", 0}, ++ {NULL, 0}, ++}; ++ ++#define MAX_MASK_NAME_LENGTH 40 ++static int yaffs_proc_write_trace_options(struct file *file, const char *buf, ++ unsigned long count, void *data) ++{ ++ unsigned rg = 0, mask_bitfield; ++ char *end; ++ char *mask_name; ++ const char *x; ++ char substring[MAX_MASK_NAME_LENGTH + 1]; ++ int i; ++ int done = 0; ++ int add, len = 0; ++ int pos = 0; ++ ++ rg = yaffs_trace_mask; ++ ++ while (!done && (pos < count)) { ++ done = 1; ++ while ((pos < count) && isspace(buf[pos])) ++ pos++; ++ ++ switch (buf[pos]) { ++ case '+': ++ case '-': ++ case '=': ++ add = buf[pos]; ++ pos++; ++ break; ++ ++ default: ++ add = ' '; ++ break; ++ } ++ mask_name = NULL; ++ ++ mask_bitfield = simple_strtoul(buf + pos, &end, 0); ++ ++ if (end > buf + pos) { ++ mask_name = "numeral"; ++ len = end - (buf + pos); ++ pos += len; ++ done = 0; ++ } else { ++ for (x = buf + pos, i = 0; ++ (*x == '_' || (*x >= 'a' && *x <= 'z')) && ++ i < MAX_MASK_NAME_LENGTH; x++, i++, pos++) ++ substring[i] = *x; ++ substring[i] = '\0'; ++ ++ for (i = 0; mask_flags[i].mask_name != NULL; i++) { ++ if (strcmp(substring, mask_flags[i].mask_name) == 0) { ++ mask_name = mask_flags[i].mask_name; ++ mask_bitfield = mask_flags[i].mask_bitfield; ++ done = 0; ++ break; ++ } ++ } ++ } ++ ++ if (mask_name != NULL) { ++ done = 0; ++ switch (add) { ++ case '-': ++ rg &= ~mask_bitfield; ++ break; ++ case '+': ++ rg |= mask_bitfield; ++ break; ++ case '=': ++ rg = mask_bitfield; ++ break; ++ default: ++ rg |= mask_bitfield; ++ break; ++ } ++ } ++ } ++ ++ yaffs_trace_mask = rg | YAFFS_TRACE_ALWAYS; ++ ++ printk(KERN_DEBUG "new trace = 0x%08X\n", yaffs_trace_mask); ++ ++ if (rg & YAFFS_TRACE_ALWAYS) { ++ for (i = 0; mask_flags[i].mask_name != NULL; i++) { ++ char flag; ++ flag = ((rg & mask_flags[i].mask_bitfield) == ++ mask_flags[i].mask_bitfield) ? '+' : '-'; ++ printk(KERN_DEBUG "%c%s\n", flag, mask_flags[i].mask_name); ++ } ++ } ++ ++ return count; ++} ++ ++ ++static int yaffs_proc_write(struct file *file, const char *buf, ++ unsigned long count, void *data) ++{ ++ return yaffs_proc_write_trace_options(file, buf, count, data); ++} ++ ++/* Stuff to handle installation of file systems */ ++struct file_system_to_install { ++ struct file_system_type *fst; ++ int installed; ++}; ++ ++static struct file_system_to_install fs_to_install[] = { ++ {&yaffs_fs_type, 0}, ++ {&yaffs2_fs_type, 0}, ++ {NULL, 0} ++}; ++ ++static int __init init_yaffs_fs(void) ++{ ++ int error = 0; ++ struct file_system_to_install *fsinst; ++ ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR("yaffs built " __DATE__ " " __TIME__ " Installing. \n"))); ++ ++#ifdef CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR(" \n\n\n\nYAFFS-WARNING CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED selected.\n\n\n\n"))); ++#endif ++ ++ ++ ++ ++ init_MUTEX(&yaffs_context_lock); ++ ++ /* Install the proc_fs entries */ ++ my_proc_entry = create_proc_entry("yaffs", ++ S_IRUGO | S_IFREG, ++ YPROC_ROOT); ++ ++ if (my_proc_entry) { ++ my_proc_entry->write_proc = yaffs_proc_write; ++ my_proc_entry->read_proc = yaffs_proc_read; ++ my_proc_entry->data = NULL; ++ } else ++ return -ENOMEM; ++ ++ debug_proc_entry = create_proc_entry("yaffs_stats", ++ S_IRUGO | S_IFREG, ++ YPROC_ROOT); ++ ++ if (debug_proc_entry) { ++ debug_proc_entry->write_proc = NULL; ++ debug_proc_entry->read_proc = yaffs_stats_proc_read; ++ debug_proc_entry->data = NULL; ++ } else ++ return -ENOMEM; ++ ++ /* Now add the file system entries */ ++ ++ fsinst = fs_to_install; ++ ++ while (fsinst->fst && !error) { ++ error = register_filesystem(fsinst->fst); ++ if (!error) ++ fsinst->installed = 1; ++ fsinst++; ++ } ++ ++ /* Any errors? uninstall */ ++ if (error) { ++ fsinst = fs_to_install; ++ ++ while (fsinst->fst) { ++ if (fsinst->installed) { ++ unregister_filesystem(fsinst->fst); ++ fsinst->installed = 0; ++ } ++ fsinst++; ++ } ++ } ++ ++ return error; ++} ++ ++static void __exit exit_yaffs_fs(void) ++{ ++ ++ struct file_system_to_install *fsinst; ++ ++ T(YAFFS_TRACE_ALWAYS, ++ (TSTR("yaffs built " __DATE__ " " __TIME__ " removing. \n"))); ++ ++ remove_proc_entry("yaffs", YPROC_ROOT); ++ remove_proc_entry("yaffs_stats", YPROC_ROOT); ++ ++ fsinst = fs_to_install; ++ ++ while (fsinst->fst) { ++ if (fsinst->installed) { ++ unregister_filesystem(fsinst->fst); ++ fsinst->installed = 0; ++ } ++ fsinst++; ++ } ++} ++ ++module_init(init_yaffs_fs) ++module_exit(exit_yaffs_fs) ++ ++MODULE_DESCRIPTION("YAFFS2 - a NAND specific flash file system"); ++MODULE_AUTHOR("Charles Manning, Aleph One Ltd., 2002-2010"); ++MODULE_LICENSE("GPL"); +--- /dev/null ++++ b/fs/yaffs2/yaffs_yaffs1.c +@@ -0,0 +1,465 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2010 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning <charles@aleph1.co.uk> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++#include "yaffs_yaffs1.h" ++#include "yportenv.h" ++#include "yaffs_trace.h" ++#include "yaffs_bitmap.h" ++#include "yaffs_getblockinfo.h" ++#include "yaffs_nand.h" ++ ++ ++int yaffs1_scan(yaffs_dev_t *dev) ++{ ++ yaffs_ext_tags tags; ++ int blk; ++ int blockIterator; ++ int startIterator; ++ int endIterator; ++ int result; ++ ++ int chunk; ++ int c; ++ int deleted; ++ yaffs_block_state_t state; ++ yaffs_obj_t *hard_list = NULL; ++ yaffs_block_info_t *bi; ++ __u32 seq_number; ++ yaffs_obj_header *oh; ++ yaffs_obj_t *in; ++ yaffs_obj_t *parent; ++ ++ int alloc_failed = 0; ++ ++ struct yaffs_shadow_fixer_s *shadowFixerList = NULL; ++ ++ ++ __u8 *chunkData; ++ ++ ++ ++ T(YAFFS_TRACE_SCAN, ++ (TSTR("yaffs1_scan starts intstartblk %d intendblk %d..." TENDSTR), ++ dev->internal_start_block, dev->internal_end_block)); ++ ++ chunkData = yaffs_get_temp_buffer(dev, __LINE__); ++ ++ dev->seq_number = YAFFS_LOWEST_SEQUENCE_NUMBER; ++ ++ /* Scan all the blocks to determine their state */ ++ bi = dev->block_info; ++ for (blk = dev->internal_start_block; blk <= dev->internal_end_block; blk++) { ++ yaffs_clear_chunk_bits(dev, blk); ++ bi->pages_in_use = 0; ++ bi->soft_del_pages = 0; ++ ++ yaffs_query_init_block_state(dev, blk, &state, &seq_number); ++ ++ bi->block_state = state; ++ bi->seq_number = seq_number; ++ ++ if (bi->seq_number == YAFFS_SEQUENCE_BAD_BLOCK) ++ bi->block_state = state = YAFFS_BLOCK_STATE_DEAD; ++ ++ T(YAFFS_TRACE_SCAN_DEBUG, ++ (TSTR("Block scanning block %d state %d seq %d" TENDSTR), blk, ++ state, seq_number)); ++ ++ if (state == YAFFS_BLOCK_STATE_DEAD) { ++ T(YAFFS_TRACE_BAD_BLOCKS, ++ (TSTR("block %d is bad" TENDSTR), blk)); ++ } else if (state == YAFFS_BLOCK_STATE_EMPTY) { ++ T(YAFFS_TRACE_SCAN_DEBUG, ++ (TSTR("Block empty " TENDSTR))); ++ dev->n_erased_blocks++; ++ dev->n_free_chunks += dev->param.chunks_per_block; ++ } ++ bi++; ++ } ++ ++ startIterator = dev->internal_start_block; ++ endIterator = dev->internal_end_block; ++ ++ /* For each block.... */ ++ for (blockIterator = startIterator; !alloc_failed && blockIterator <= endIterator; ++ blockIterator++) { ++ ++ YYIELD(); ++ ++ YYIELD(); ++ ++ blk = blockIterator; ++ ++ bi = yaffs_get_block_info(dev, blk); ++ state = bi->block_state; ++ ++ deleted = 0; ++ ++ /* For each chunk in each block that needs scanning....*/ ++ for (c = 0; !alloc_failed && c < dev->param.chunks_per_block && ++ state == YAFFS_BLOCK_STATE_NEEDS_SCANNING; c++) { ++ /* Read the tags and decide what to do */ ++ chunk = blk * dev->param.chunks_per_block + c; ++ ++ result = yaffs_rd_chunk_tags_nand(dev, chunk, NULL, ++ &tags); ++ ++ /* Let's have a good look at this chunk... */ ++ ++ if (tags.ecc_result == YAFFS_ECC_RESULT_UNFIXED || tags.is_deleted) { ++ /* YAFFS1 only... ++ * A deleted chunk ++ */ ++ deleted++; ++ dev->n_free_chunks++; ++ /*T((" %d %d deleted\n",blk,c)); */ ++ } else if (!tags.chunk_used) { ++ /* An unassigned chunk in the block ++ * This means that either the block is empty or ++ * this is the one being allocated from ++ */ ++ ++ if (c == 0) { ++ /* We're looking at the first chunk in the block so the block is unused */ ++ state = YAFFS_BLOCK_STATE_EMPTY; ++ dev->n_erased_blocks++; ++ } else { ++ /* this is the block being allocated from */ ++ T(YAFFS_TRACE_SCAN, ++ (TSTR ++ (" Allocating from %d %d" TENDSTR), ++ blk, c)); ++ state = YAFFS_BLOCK_STATE_ALLOCATING; ++ dev->alloc_block = blk; ++ dev->alloc_page = c; ++ dev->alloc_block_finder = blk; ++ /* Set block finder here to encourage the allocator to go forth from here. */ ++ ++ } ++ ++ dev->n_free_chunks += (dev->param.chunks_per_block - c); ++ } else if (tags.chunk_id > 0) { ++ /* chunk_id > 0 so it is a data chunk... */ ++ unsigned int endpos; ++ ++ yaffs_set_chunk_bit(dev, blk, c); ++ bi->pages_in_use++; ++ ++ in = yaffs_find_or_create_by_number(dev, ++ tags. ++ obj_id, ++ YAFFS_OBJECT_TYPE_FILE); ++ /* PutChunkIntoFile checks for a clash (two data chunks with ++ * the same chunk_id). ++ */ ++ ++ if (!in) ++ alloc_failed = 1; ++ ++ if (in) { ++ if (!yaffs_put_chunk_in_file(in, tags.chunk_id, chunk, 1)) ++ alloc_failed = 1; ++ } ++ ++ endpos = ++ (tags.chunk_id - 1) * dev->data_bytes_per_chunk + ++ tags.n_bytes; ++ if (in && ++ in->variant_type == YAFFS_OBJECT_TYPE_FILE ++ && in->variant.file_variant.scanned_size < ++ endpos) { ++ in->variant.file_variant. ++ scanned_size = endpos; ++ if (!dev->param.use_header_file_size) { ++ in->variant.file_variant. ++ file_size = ++ in->variant.file_variant. ++ scanned_size; ++ } ++ ++ } ++ /* T((" %d %d data %d %d\n",blk,c,tags.obj_id,tags.chunk_id)); */ ++ } else { ++ /* chunk_id == 0, so it is an ObjectHeader. ++ * Thus, we read in the object header and make the object ++ */ ++ yaffs_set_chunk_bit(dev, blk, c); ++ bi->pages_in_use++; ++ ++ result = yaffs_rd_chunk_tags_nand(dev, chunk, ++ chunkData, ++ NULL); ++ ++ oh = (yaffs_obj_header *) chunkData; ++ ++ in = yaffs_find_by_number(dev, ++ tags.obj_id); ++ if (in && in->variant_type != oh->type) { ++ /* This should not happen, but somehow ++ * Wev'e ended up with an obj_id that has been reused but not yet ++ * deleted, and worse still it has changed type. Delete the old object. ++ */ ++ ++ yaffs_del_obj(in); ++ ++ in = 0; ++ } ++ ++ in = yaffs_find_or_create_by_number(dev, ++ tags. ++ obj_id, ++ oh->type); ++ ++ if (!in) ++ alloc_failed = 1; ++ ++ if (in && oh->shadows_obj > 0) { ++ ++ struct yaffs_shadow_fixer_s *fixer; ++ fixer = YMALLOC(sizeof(struct yaffs_shadow_fixer_s)); ++ if (fixer) { ++ fixer->next = shadowFixerList; ++ shadowFixerList = fixer; ++ fixer->obj_id = tags.obj_id; ++ fixer->shadowed_id = oh->shadows_obj; ++ T(YAFFS_TRACE_SCAN, ++ (TSTR ++ (" Shadow fixer: %d shadows %d" TENDSTR), ++ fixer->obj_id, fixer->shadowed_id)); ++ ++ } ++ ++ } ++ ++ if (in && in->valid) { ++ /* We have already filled this one. We have a duplicate and need to resolve it. */ ++ ++ unsigned existingSerial = in->serial; ++ unsigned newSerial = tags.serial_number; ++ ++ if (((existingSerial + 1) & 3) == newSerial) { ++ /* Use new one - destroy the exisiting one */ ++ yaffs_chunk_del(dev, ++ in->hdr_chunk, ++ 1, __LINE__); ++ in->valid = 0; ++ } else { ++ /* Use existing - destroy this one. */ ++ yaffs_chunk_del(dev, chunk, 1, ++ __LINE__); ++ } ++ } ++ ++ if (in && !in->valid && ++ (tags.obj_id == YAFFS_OBJECTID_ROOT || ++ tags.obj_id == YAFFS_OBJECTID_LOSTNFOUND)) { ++ /* We only load some info, don't fiddle with directory structure */ ++ in->valid = 1; ++ in->variant_type = oh->type; ++ ++ in->yst_mode = oh->yst_mode; ++#ifdef CONFIG_YAFFS_WINCE ++ in->win_atime[0] = oh->win_atime[0]; ++ in->win_ctime[0] = oh->win_ctime[0]; ++ in->win_mtime[0] = oh->win_mtime[0]; ++ in->win_atime[1] = oh->win_atime[1]; ++ in->win_ctime[1] = oh->win_ctime[1]; ++ in->win_mtime[1] = oh->win_mtime[1]; ++#else ++ in->yst_uid = oh->yst_uid; ++ in->yst_gid = oh->yst_gid; ++ in->yst_atime = oh->yst_atime; ++ in->yst_mtime = oh->yst_mtime; ++ in->yst_ctime = oh->yst_ctime; ++ in->yst_rdev = oh->yst_rdev; ++#endif ++ in->hdr_chunk = chunk; ++ in->serial = tags.serial_number; ++ ++ } else if (in && !in->valid) { ++ /* we need to load this info */ ++ ++ in->valid = 1; ++ in->variant_type = oh->type; ++ ++ in->yst_mode = oh->yst_mode; ++#ifdef CONFIG_YAFFS_WINCE ++ in->win_atime[0] = oh->win_atime[0]; ++ in->win_ctime[0] = oh->win_ctime[0]; ++ in->win_mtime[0] = oh->win_mtime[0]; ++ in->win_atime[1] = oh->win_atime[1]; ++ in->win_ctime[1] = oh->win_ctime[1]; ++ in->win_mtime[1] = oh->win_mtime[1]; ++#else ++ in->yst_uid = oh->yst_uid; ++ in->yst_gid = oh->yst_gid; ++ in->yst_atime = oh->yst_atime; ++ in->yst_mtime = oh->yst_mtime; ++ in->yst_ctime = oh->yst_ctime; ++ in->yst_rdev = oh->yst_rdev; ++#endif ++ in->hdr_chunk = chunk; ++ in->serial = tags.serial_number; ++ ++ yaffs_set_obj_name_from_oh(in, oh); ++ in->dirty = 0; ++ ++ /* directory stuff... ++ * hook up to parent ++ */ ++ ++ parent = ++ yaffs_find_or_create_by_number ++ (dev, oh->parent_obj_id, ++ YAFFS_OBJECT_TYPE_DIRECTORY); ++ if (!parent) ++ alloc_failed = 1; ++ if (parent && parent->variant_type == ++ YAFFS_OBJECT_TYPE_UNKNOWN) { ++ /* Set up as a directory */ ++ parent->variant_type = ++ YAFFS_OBJECT_TYPE_DIRECTORY; ++ YINIT_LIST_HEAD(&parent->variant. ++ dir_variant. ++ children); ++ } else if (!parent || parent->variant_type != ++ YAFFS_OBJECT_TYPE_DIRECTORY) { ++ /* Hoosterman, another problem.... ++ * We're trying to use a non-directory as a directory ++ */ ++ ++ T(YAFFS_TRACE_ERROR, ++ (TSTR ++ ("yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found." ++ TENDSTR))); ++ parent = dev->lost_n_found; ++ } ++ ++ yaffs_add_obj_to_dir(parent, in); ++ ++ if (0 && (parent == dev->del_dir || ++ parent == dev->unlinked_dir)) { ++ in->deleted = 1; /* If it is unlinked at start up then it wants deleting */ ++ dev->n_deleted_files++; ++ } ++ /* Note re hardlinks. ++ * Since we might scan a hardlink before its equivalent object is scanned ++ * we put them all in a list. ++ * After scanning is complete, we should have all the objects, so we run through this ++ * list and fix up all the chains. ++ */ ++ ++ switch (in->variant_type) { ++ case YAFFS_OBJECT_TYPE_UNKNOWN: ++ /* Todo got a problem */ ++ break; ++ case YAFFS_OBJECT_TYPE_FILE: ++ if (dev->param.use_header_file_size) ++ ++ in->variant.file_variant. ++ file_size = ++ oh->file_size; ++ ++ break; ++ case YAFFS_OBJECT_TYPE_HARDLINK: ++ in->variant.hardlink_variant. ++ equiv_id = ++ oh->equiv_id; ++ in->hard_links.next = ++ (struct ylist_head *) ++ hard_list; ++ hard_list = in; ++ break; ++ case YAFFS_OBJECT_TYPE_DIRECTORY: ++ /* Do nothing */ ++ break; ++ case YAFFS_OBJECT_TYPE_SPECIAL: ++ /* Do nothing */ ++ break; ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ in->variant.symlink_variant.alias = ++ yaffs_clone_str(oh->alias); ++ if (!in->variant.symlink_variant.alias) ++ alloc_failed = 1; ++ break; ++ } ++ ++ } ++ } ++ } ++ ++ if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING) { ++ /* If we got this far while scanning, then the block is fully allocated.*/ ++ state = YAFFS_BLOCK_STATE_FULL; ++ } ++ ++ if (state == YAFFS_BLOCK_STATE_ALLOCATING) { ++ /* If the block was partially allocated then treat it as fully allocated.*/ ++ state = YAFFS_BLOCK_STATE_FULL; ++ dev->alloc_block = -1; ++ } ++ ++ bi->block_state = state; ++ ++ /* Now let's see if it was dirty */ ++ if (bi->pages_in_use == 0 && ++ !bi->has_shrink_hdr && ++ bi->block_state == YAFFS_BLOCK_STATE_FULL) { ++ yaffs_block_became_dirty(dev, blk); ++ } ++ ++ } ++ ++ ++ /* Ok, we've done all the scanning. ++ * Fix up the hard link chains. ++ * We should now have scanned all the objects, now it's time to add these ++ * hardlinks. ++ */ ++ ++ yaffs_link_fixup(dev, hard_list); ++ ++ /* Fix up any shadowed objects */ ++ { ++ struct yaffs_shadow_fixer_s *fixer; ++ yaffs_obj_t *obj; ++ ++ while (shadowFixerList) { ++ fixer = shadowFixerList; ++ shadowFixerList = fixer->next; ++ /* Complete the rename transaction by deleting the shadowed object ++ * then setting the object header to unshadowed. ++ */ ++ obj = yaffs_find_by_number(dev, fixer->shadowed_id); ++ if (obj) ++ yaffs_del_obj(obj); ++ ++ obj = yaffs_find_by_number(dev, fixer->obj_id); ++ ++ if (obj) ++ yaffs_update_oh(obj, NULL, 1, 0, 0, NULL); ++ ++ YFREE(fixer); ++ } ++ } ++ ++ yaffs_release_temp_buffer(dev, chunkData, __LINE__); ++ ++ if (alloc_failed) ++ return YAFFS_FAIL; ++ ++ T(YAFFS_TRACE_SCAN, (TSTR("yaffs1_scan ends" TENDSTR))); ++ ++ ++ return YAFFS_OK; ++} ++ +--- /dev/null ++++ b/fs/yaffs2/yaffs_yaffs1.h +@@ -0,0 +1,22 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2010 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning <charles@aleph1.co.uk> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++#ifndef __YAFFS_YAFFS1_H__ ++#define __YAFFS_YAFFS1_H__ ++ ++#include "yaffs_guts.h" ++int yaffs1_scan(yaffs_dev_t *dev); ++ ++#endif +--- /dev/null ++++ b/fs/yaffs2/yaffs_yaffs2.c +@@ -0,0 +1,1540 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2010 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning <charles@aleph1.co.uk> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++ ++#include "yaffs_guts.h" ++#include "yaffs_trace.h" ++#include "yaffs_yaffs2.h" ++#include "yaffs_checkptrw.h" ++#include "yaffs_bitmap.h" ++#include "yaffs_qsort.h" ++#include "yaffs_nand.h" ++#include "yaffs_getblockinfo.h" ++#include "yaffs_verify.h" ++ ++/* ++ * Checkpoints are really no benefit on very small partitions. ++ * ++ * To save space on small partitions don't bother with checkpoints unless ++ * the partition is at least this big. ++ */ ++#define YAFFS_CHECKPOINT_MIN_BLOCKS 60 ++ ++#define YAFFS_SMALL_HOLE_THRESHOLD 4 ++ ++ ++/* ++ * Oldest Dirty Sequence Number handling. ++ */ ++ ++/* yaffs_calc_oldest_dirty_seq() ++ * yaffs2_find_oldest_dirty_seq() ++ * Calculate the oldest dirty sequence number if we don't know it. ++ */ ++void yaffs_calc_oldest_dirty_seq(yaffs_dev_t *dev) ++{ ++ int i; ++ unsigned seq; ++ unsigned block_no = 0; ++ yaffs_block_info_t *b; ++ ++ if(!dev->param.is_yaffs2) ++ return; ++ ++ /* Find the oldest dirty sequence number. */ ++ seq = dev->seq_number + 1; ++ b = dev->block_info; ++ for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) { ++ if (b->block_state == YAFFS_BLOCK_STATE_FULL && ++ (b->pages_in_use - b->soft_del_pages) < dev->param.chunks_per_block && ++ b->seq_number < seq) { ++ seq = b->seq_number; ++ block_no = i; ++ } ++ b++; ++ } ++ ++ if(block_no){ ++ dev->oldest_dirty_seq = seq; ++ dev->oldest_dirty_block = block_no; ++ } ++ ++} ++ ++ ++void yaffs2_find_oldest_dirty_seq(yaffs_dev_t *dev) ++{ ++ if(!dev->param.is_yaffs2) ++ return; ++ ++ if(!dev->oldest_dirty_seq) ++ yaffs_calc_oldest_dirty_seq(dev); ++} ++ ++/* ++ * yaffs_clear_oldest_dirty_seq() ++ * Called when a block is erased or marked bad. (ie. when its seq_number ++ * becomes invalid). If the value matches the oldest then we clear ++ * dev->oldest_dirty_seq to force its recomputation. ++ */ ++void yaffs2_clear_oldest_dirty_seq(yaffs_dev_t *dev, yaffs_block_info_t *bi) ++{ ++ ++ if(!dev->param.is_yaffs2) ++ return; ++ ++ if(!bi || bi->seq_number == dev->oldest_dirty_seq){ ++ dev->oldest_dirty_seq = 0; ++ dev->oldest_dirty_block = 0; ++ } ++} ++ ++/* ++ * yaffs2_update_oldest_dirty_seq() ++ * Update the oldest dirty sequence number whenever we dirty a block. ++ * Only do this if the oldest_dirty_seq is actually being tracked. ++ */ ++void yaffs2_update_oldest_dirty_seq(yaffs_dev_t *dev, unsigned block_no, yaffs_block_info_t *bi) ++{ ++ if(!dev->param.is_yaffs2) ++ return; ++ ++ if(dev->oldest_dirty_seq){ ++ if(dev->oldest_dirty_seq > bi->seq_number){ ++ dev->oldest_dirty_seq = bi->seq_number; ++ dev->oldest_dirty_block = block_no; ++ } ++ } ++} ++ ++int yaffs_block_ok_for_gc(yaffs_dev_t *dev, ++ yaffs_block_info_t *bi) ++{ ++ ++ if (!dev->param.is_yaffs2) ++ return 1; /* disqualification only applies to yaffs2. */ ++ ++ if (!bi->has_shrink_hdr) ++ return 1; /* can gc */ ++ ++ yaffs2_find_oldest_dirty_seq(dev); ++ ++ /* Can't do gc of this block if there are any blocks older than this one that have ++ * discarded pages. ++ */ ++ return (bi->seq_number <= dev->oldest_dirty_seq); ++} ++ ++/* ++ * yaffs2_find_refresh_block() ++ * periodically finds the oldest full block by sequence number for refreshing. ++ * Only for yaffs2. ++ */ ++__u32 yaffs2_find_refresh_block(yaffs_dev_t *dev) ++{ ++ __u32 b ; ++ ++ __u32 oldest = 0; ++ __u32 oldestSequence = 0; ++ ++ yaffs_block_info_t *bi; ++ ++ if(!dev->param.is_yaffs2) ++ return oldest; ++ ++ /* ++ * If refresh period < 10 then refreshing is disabled. ++ */ ++ if(dev->param.refresh_period < 10) ++ return oldest; ++ ++ /* ++ * Fix broken values. ++ */ ++ if(dev->refresh_skip > dev->param.refresh_period) ++ dev->refresh_skip = dev->param.refresh_period; ++ ++ if(dev->refresh_skip > 0) ++ return oldest; ++ ++ /* ++ * Refresh skip is now zero. ++ * We'll do a refresh this time around.... ++ * Update the refresh skip and find the oldest block. ++ */ ++ dev->refresh_skip = dev->param.refresh_period; ++ dev->refresh_count++; ++ bi = dev->block_info; ++ for (b = dev->internal_start_block; b <=dev->internal_end_block; b++){ ++ ++ if (bi->block_state == YAFFS_BLOCK_STATE_FULL){ ++ ++ if(oldest < 1 || ++ bi->seq_number < oldestSequence){ ++ oldest = b; ++ oldestSequence = bi->seq_number; ++ } ++ } ++ bi++; ++ } ++ ++ if (oldest > 0) { ++ T(YAFFS_TRACE_GC, ++ (TSTR("GC refresh count %d selected block %d with seq_number %d" TENDSTR), ++ dev->refresh_count, oldest, oldestSequence)); ++ } ++ ++ return oldest; ++} ++ ++int yaffs2_checkpt_required(yaffs_dev_t *dev) ++{ ++ int nblocks; ++ ++ if(!dev->param.is_yaffs2) ++ return 0; ++ ++ nblocks = dev->internal_end_block - dev->internal_start_block + 1 ; ++ ++ return !dev->param.skip_checkpt_wr && ++ !dev->read_only && ++ (nblocks >= YAFFS_CHECKPOINT_MIN_BLOCKS); ++} ++ ++int yaffs_calc_checkpt_blocks_required(yaffs_dev_t *dev) ++{ ++ int retval; ++ ++ if(!dev->param.is_yaffs2) ++ return 0; ++ ++ if (!dev->checkpoint_blocks_required && ++ yaffs2_checkpt_required(dev)){ ++ /* Not a valid value so recalculate */ ++ int n_bytes = 0; ++ int nBlocks; ++ int devBlocks = (dev->param.end_block - dev->param.start_block + 1); ++ ++ n_bytes += sizeof(yaffs_checkpt_validty_t); ++ n_bytes += sizeof(yaffs_checkpt_dev_t); ++ n_bytes += devBlocks * sizeof(yaffs_block_info_t); ++ n_bytes += devBlocks * dev->chunk_bit_stride; ++ n_bytes += (sizeof(yaffs_checkpt_obj_t) + sizeof(__u32)) * (dev->n_obj); ++ n_bytes += (dev->tnode_size + sizeof(__u32)) * (dev->n_tnodes); ++ n_bytes += sizeof(yaffs_checkpt_validty_t); ++ n_bytes += sizeof(__u32); /* checksum*/ ++ ++ /* Round up and add 2 blocks to allow for some bad blocks, so add 3 */ ++ ++ nBlocks = (n_bytes/(dev->data_bytes_per_chunk * dev->param.chunks_per_block)) + 3; ++ ++ dev->checkpoint_blocks_required = nBlocks; ++ } ++ ++ retval = dev->checkpoint_blocks_required - dev->blocks_in_checkpt; ++ if(retval < 0) ++ retval = 0; ++ return retval; ++} ++ ++/*--------------------- Checkpointing --------------------*/ ++ ++ ++static int yaffs2_wr_checkpt_validity_marker(yaffs_dev_t *dev, int head) ++{ ++ yaffs_checkpt_validty_t cp; ++ ++ memset(&cp, 0, sizeof(cp)); ++ ++ cp.struct_type = sizeof(cp); ++ cp.magic = YAFFS_MAGIC; ++ cp.version = YAFFS_CHECKPOINT_VERSION; ++ cp.head = (head) ? 1 : 0; ++ ++ return (yaffs2_checkpt_wr(dev, &cp, sizeof(cp)) == sizeof(cp)) ? ++ 1 : 0; ++} ++ ++static int yaffs2_rd_checkpt_validty_marker(yaffs_dev_t *dev, int head) ++{ ++ yaffs_checkpt_validty_t cp; ++ int ok; ++ ++ ok = (yaffs2_checkpt_rd(dev, &cp, sizeof(cp)) == sizeof(cp)); ++ ++ if (ok) ++ ok = (cp.struct_type == sizeof(cp)) && ++ (cp.magic == YAFFS_MAGIC) && ++ (cp.version == YAFFS_CHECKPOINT_VERSION) && ++ (cp.head == ((head) ? 1 : 0)); ++ return ok ? 1 : 0; ++} ++ ++static void yaffs2_dev_to_checkpt_dev(yaffs_checkpt_dev_t *cp, ++ yaffs_dev_t *dev) ++{ ++ cp->n_erased_blocks = dev->n_erased_blocks; ++ cp->alloc_block = dev->alloc_block; ++ cp->alloc_page = dev->alloc_page; ++ cp->n_free_chunks = dev->n_free_chunks; ++ ++ cp->n_deleted_files = dev->n_deleted_files; ++ cp->n_unlinked_files = dev->n_unlinked_files; ++ cp->n_bg_deletions = dev->n_bg_deletions; ++ cp->seq_number = dev->seq_number; ++ ++} ++ ++static void yaffs_checkpt_dev_to_dev(yaffs_dev_t *dev, ++ yaffs_checkpt_dev_t *cp) ++{ ++ dev->n_erased_blocks = cp->n_erased_blocks; ++ dev->alloc_block = cp->alloc_block; ++ dev->alloc_page = cp->alloc_page; ++ dev->n_free_chunks = cp->n_free_chunks; ++ ++ dev->n_deleted_files = cp->n_deleted_files; ++ dev->n_unlinked_files = cp->n_unlinked_files; ++ dev->n_bg_deletions = cp->n_bg_deletions; ++ dev->seq_number = cp->seq_number; ++} ++ ++ ++static int yaffs2_wr_checkpt_dev(yaffs_dev_t *dev) ++{ ++ yaffs_checkpt_dev_t cp; ++ __u32 n_bytes; ++ __u32 nBlocks = (dev->internal_end_block - dev->internal_start_block + 1); ++ ++ int ok; ++ ++ /* Write device runtime values*/ ++ yaffs2_dev_to_checkpt_dev(&cp, dev); ++ cp.struct_type = sizeof(cp); ++ ++ ok = (yaffs2_checkpt_wr(dev, &cp, sizeof(cp)) == sizeof(cp)); ++ ++ /* Write block info */ ++ if (ok) { ++ n_bytes = nBlocks * sizeof(yaffs_block_info_t); ++ ok = (yaffs2_checkpt_wr(dev, dev->block_info, n_bytes) == n_bytes); ++ } ++ ++ /* Write chunk bits */ ++ if (ok) { ++ n_bytes = nBlocks * dev->chunk_bit_stride; ++ ok = (yaffs2_checkpt_wr(dev, dev->chunk_bits, n_bytes) == n_bytes); ++ } ++ return ok ? 1 : 0; ++ ++} ++ ++static int yaffs2_rd_checkpt_dev(yaffs_dev_t *dev) ++{ ++ yaffs_checkpt_dev_t cp; ++ __u32 n_bytes; ++ __u32 nBlocks = (dev->internal_end_block - dev->internal_start_block + 1); ++ ++ int ok; ++ ++ ok = (yaffs2_checkpt_rd(dev, &cp, sizeof(cp)) == sizeof(cp)); ++ if (!ok) ++ return 0; ++ ++ if (cp.struct_type != sizeof(cp)) ++ return 0; ++ ++ ++ yaffs_checkpt_dev_to_dev(dev, &cp); ++ ++ n_bytes = nBlocks * sizeof(yaffs_block_info_t); ++ ++ ok = (yaffs2_checkpt_rd(dev, dev->block_info, n_bytes) == n_bytes); ++ ++ if (!ok) ++ return 0; ++ n_bytes = nBlocks * dev->chunk_bit_stride; ++ ++ ok = (yaffs2_checkpt_rd(dev, dev->chunk_bits, n_bytes) == n_bytes); ++ ++ return ok ? 1 : 0; ++} ++ ++static void yaffs2_obj_checkpt_obj(yaffs_checkpt_obj_t *cp, ++ yaffs_obj_t *obj) ++{ ++ ++ cp->obj_id = obj->obj_id; ++ cp->parent_id = (obj->parent) ? obj->parent->obj_id : 0; ++ cp->hdr_chunk = obj->hdr_chunk; ++ cp->variant_type = obj->variant_type; ++ cp->deleted = obj->deleted; ++ cp->soft_del = obj->soft_del; ++ cp->unlinked = obj->unlinked; ++ cp->fake = obj->fake; ++ cp->rename_allowed = obj->rename_allowed; ++ cp->unlink_allowed = obj->unlink_allowed; ++ cp->serial = obj->serial; ++ cp->n_data_chunks = obj->n_data_chunks; ++ ++ if (obj->variant_type == YAFFS_OBJECT_TYPE_FILE) ++ cp->size_or_equiv_obj = obj->variant.file_variant.file_size; ++ else if (obj->variant_type == YAFFS_OBJECT_TYPE_HARDLINK) ++ cp->size_or_equiv_obj = obj->variant.hardlink_variant.equiv_id; ++} ++ ++static int taffs2_checkpt_obj_to_obj(yaffs_obj_t *obj, yaffs_checkpt_obj_t *cp) ++{ ++ ++ yaffs_obj_t *parent; ++ ++ if (obj->variant_type != cp->variant_type) { ++ T(YAFFS_TRACE_ERROR, (TSTR("Checkpoint read object %d type %d " ++ TCONT("chunk %d does not match existing object type %d") ++ TENDSTR), cp->obj_id, cp->variant_type, cp->hdr_chunk, ++ obj->variant_type)); ++ return 0; ++ } ++ ++ obj->obj_id = cp->obj_id; ++ ++ if (cp->parent_id) ++ parent = yaffs_find_or_create_by_number( ++ obj->my_dev, ++ cp->parent_id, ++ YAFFS_OBJECT_TYPE_DIRECTORY); ++ else ++ parent = NULL; ++ ++ if (parent) { ++ if (parent->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { ++ T(YAFFS_TRACE_ALWAYS, (TSTR("Checkpoint read object %d parent %d type %d" ++ TCONT(" chunk %d Parent type, %d, not directory") ++ TENDSTR), ++ cp->obj_id, cp->parent_id, cp->variant_type, ++ cp->hdr_chunk, parent->variant_type)); ++ return 0; ++ } ++ yaffs_add_obj_to_dir(parent, obj); ++ } ++ ++ obj->hdr_chunk = cp->hdr_chunk; ++ obj->variant_type = cp->variant_type; ++ obj->deleted = cp->deleted; ++ obj->soft_del = cp->soft_del; ++ obj->unlinked = cp->unlinked; ++ obj->fake = cp->fake; ++ obj->rename_allowed = cp->rename_allowed; ++ obj->unlink_allowed = cp->unlink_allowed; ++ obj->serial = cp->serial; ++ obj->n_data_chunks = cp->n_data_chunks; ++ ++ if (obj->variant_type == YAFFS_OBJECT_TYPE_FILE) ++ obj->variant.file_variant.file_size = cp->size_or_equiv_obj; ++ else if (obj->variant_type == YAFFS_OBJECT_TYPE_HARDLINK) ++ obj->variant.hardlink_variant.equiv_id = cp->size_or_equiv_obj; ++ ++ if (obj->hdr_chunk > 0) ++ obj->lazy_loaded = 1; ++ return 1; ++} ++ ++ ++ ++static int yaffs2_checkpt_tnode_worker(yaffs_obj_t *in, yaffs_tnode_t *tn, ++ __u32 level, int chunk_offset) ++{ ++ int i; ++ yaffs_dev_t *dev = in->my_dev; ++ int ok = 1; ++ ++ if (tn) { ++ if (level > 0) { ++ ++ for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++) { ++ if (tn->internal[i]) { ++ ok = yaffs2_checkpt_tnode_worker(in, ++ tn->internal[i], ++ level - 1, ++ (chunk_offset<<YAFFS_TNODES_INTERNAL_BITS) + i); ++ } ++ } ++ } else if (level == 0) { ++ __u32 baseOffset = chunk_offset << YAFFS_TNODES_LEVEL0_BITS; ++ ok = (yaffs2_checkpt_wr(dev, &baseOffset, sizeof(baseOffset)) == sizeof(baseOffset)); ++ if (ok) ++ ok = (yaffs2_checkpt_wr(dev, tn, dev->tnode_size) == dev->tnode_size); ++ } ++ } ++ ++ return ok; ++ ++} ++ ++static int yaffs2_wr_checkpt_tnodes(yaffs_obj_t *obj) ++{ ++ __u32 endMarker = ~0; ++ int ok = 1; ++ ++ if (obj->variant_type == YAFFS_OBJECT_TYPE_FILE) { ++ ok = yaffs2_checkpt_tnode_worker(obj, ++ obj->variant.file_variant.top, ++ obj->variant.file_variant.top_level, ++ 0); ++ if (ok) ++ ok = (yaffs2_checkpt_wr(obj->my_dev, &endMarker, sizeof(endMarker)) == ++ sizeof(endMarker)); ++ } ++ ++ return ok ? 1 : 0; ++} ++ ++static int yaffs2_rd_checkpt_tnodes(yaffs_obj_t *obj) ++{ ++ __u32 baseChunk; ++ int ok = 1; ++ yaffs_dev_t *dev = obj->my_dev; ++ yaffs_file_s *fileStructPtr = &obj->variant.file_variant; ++ yaffs_tnode_t *tn; ++ int nread = 0; ++ ++ ok = (yaffs2_checkpt_rd(dev, &baseChunk, sizeof(baseChunk)) == sizeof(baseChunk)); ++ ++ while (ok && (~baseChunk)) { ++ nread++; ++ /* Read level 0 tnode */ ++ ++ ++ tn = yaffs_get_tnode(dev); ++ if (tn){ ++ ok = (yaffs2_checkpt_rd(dev, tn, dev->tnode_size) == dev->tnode_size); ++ } else ++ ok = 0; ++ ++ if (tn && ok) ++ ok = yaffs_add_find_tnode_0(dev, ++ fileStructPtr, ++ baseChunk, ++ tn) ? 1 : 0; ++ ++ if (ok) ++ ok = (yaffs2_checkpt_rd(dev, &baseChunk, sizeof(baseChunk)) == sizeof(baseChunk)); ++ ++ } ++ ++ T(YAFFS_TRACE_CHECKPOINT, ( ++ TSTR("Checkpoint read tnodes %d records, last %d. ok %d" TENDSTR), ++ nread, baseChunk, ok)); ++ ++ return ok ? 1 : 0; ++} ++ ++ ++static int yaffs2_wr_checkpt_objs(yaffs_dev_t *dev) ++{ ++ yaffs_obj_t *obj; ++ yaffs_checkpt_obj_t cp; ++ int i; ++ int ok = 1; ++ struct ylist_head *lh; ++ ++ ++ /* Iterate through the objects in each hash entry, ++ * dumping them to the checkpointing stream. ++ */ ++ ++ for (i = 0; ok && i < YAFFS_NOBJECT_BUCKETS; i++) { ++ ylist_for_each(lh, &dev->obj_bucket[i].list) { ++ if (lh) { ++ obj = ylist_entry(lh, yaffs_obj_t, hash_link); ++ if (!obj->defered_free) { ++ yaffs2_obj_checkpt_obj(&cp, obj); ++ cp.struct_type = sizeof(cp); ++ ++ T(YAFFS_TRACE_CHECKPOINT, ( ++ TSTR("Checkpoint write object %d parent %d type %d chunk %d obj addr %p" TENDSTR), ++ cp.obj_id, cp.parent_id, cp.variant_type, cp.hdr_chunk, obj)); ++ ++ ok = (yaffs2_checkpt_wr(dev, &cp, sizeof(cp)) == sizeof(cp)); ++ ++ if (ok && obj->variant_type == YAFFS_OBJECT_TYPE_FILE) ++ ok = yaffs2_wr_checkpt_tnodes(obj); ++ } ++ } ++ } ++ } ++ ++ /* Dump end of list */ ++ memset(&cp, 0xFF, sizeof(yaffs_checkpt_obj_t)); ++ cp.struct_type = sizeof(cp); ++ ++ if (ok) ++ ok = (yaffs2_checkpt_wr(dev, &cp, sizeof(cp)) == sizeof(cp)); ++ ++ return ok ? 1 : 0; ++} ++ ++static int yaffs2_rd_checkpt_objs(yaffs_dev_t *dev) ++{ ++ yaffs_obj_t *obj; ++ yaffs_checkpt_obj_t cp; ++ int ok = 1; ++ int done = 0; ++ yaffs_obj_t *hard_list = NULL; ++ ++ while (ok && !done) { ++ ok = (yaffs2_checkpt_rd(dev, &cp, sizeof(cp)) == sizeof(cp)); ++ if (cp.struct_type != sizeof(cp)) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("struct size %d instead of %d ok %d"TENDSTR), ++ cp.struct_type, (int)sizeof(cp), ok)); ++ ok = 0; ++ } ++ ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("Checkpoint read object %d parent %d type %d chunk %d " TENDSTR), ++ cp.obj_id, cp.parent_id, cp.variant_type, cp.hdr_chunk)); ++ ++ if (ok && cp.obj_id == ~0) ++ done = 1; ++ else if (ok) { ++ obj = yaffs_find_or_create_by_number(dev, cp.obj_id, cp.variant_type); ++ if (obj) { ++ ok = taffs2_checkpt_obj_to_obj(obj, &cp); ++ if (!ok) ++ break; ++ if (obj->variant_type == YAFFS_OBJECT_TYPE_FILE) { ++ ok = yaffs2_rd_checkpt_tnodes(obj); ++ } else if (obj->variant_type == YAFFS_OBJECT_TYPE_HARDLINK) { ++ obj->hard_links.next = ++ (struct ylist_head *) hard_list; ++ hard_list = obj; ++ } ++ } else ++ ok = 0; ++ } ++ } ++ ++ if (ok) ++ yaffs_link_fixup(dev, hard_list); ++ ++ return ok ? 1 : 0; ++} ++ ++static int yaffs2_wr_checkpt_sum(yaffs_dev_t *dev) ++{ ++ __u32 checkpt_sum; ++ int ok; ++ ++ yaffs2_get_checkpt_sum(dev, &checkpt_sum); ++ ++ ok = (yaffs2_checkpt_wr(dev, &checkpt_sum, sizeof(checkpt_sum)) == sizeof(checkpt_sum)); ++ ++ if (!ok) ++ return 0; ++ ++ return 1; ++} ++ ++static int yaffs2_rd_checkpt_sum(yaffs_dev_t *dev) ++{ ++ __u32 checkpt_sum0; ++ __u32 checkpt_sum1; ++ int ok; ++ ++ yaffs2_get_checkpt_sum(dev, &checkpt_sum0); ++ ++ ok = (yaffs2_checkpt_rd(dev, &checkpt_sum1, sizeof(checkpt_sum1)) == sizeof(checkpt_sum1)); ++ ++ if (!ok) ++ return 0; ++ ++ if (checkpt_sum0 != checkpt_sum1) ++ return 0; ++ ++ return 1; ++} ++ ++ ++static int yaffs2_wr_checkpt_data(yaffs_dev_t *dev) ++{ ++ int ok = 1; ++ ++ if (!yaffs2_checkpt_required(dev)) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("skipping checkpoint write" TENDSTR))); ++ ok = 0; ++ } ++ ++ if (ok) ++ ok = yaffs2_checkpt_open(dev, 1); ++ ++ if (ok) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint validity" TENDSTR))); ++ ok = yaffs2_wr_checkpt_validity_marker(dev, 1); ++ } ++ if (ok) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint device" TENDSTR))); ++ ok = yaffs2_wr_checkpt_dev(dev); ++ } ++ if (ok) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint objects" TENDSTR))); ++ ok = yaffs2_wr_checkpt_objs(dev); ++ } ++ if (ok) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint validity" TENDSTR))); ++ ok = yaffs2_wr_checkpt_validity_marker(dev, 0); ++ } ++ ++ if (ok) ++ ok = yaffs2_wr_checkpt_sum(dev); ++ ++ if (!yaffs_checkpt_close(dev)) ++ ok = 0; ++ ++ if (ok) ++ dev->is_checkpointed = 1; ++ else ++ dev->is_checkpointed = 0; ++ ++ return dev->is_checkpointed; ++} ++ ++static int yaffs2_rd_checkpt_data(yaffs_dev_t *dev) ++{ ++ int ok = 1; ++ ++ if(!dev->param.is_yaffs2) ++ ok = 0; ++ ++ if (ok && dev->param.skip_checkpt_rd) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("skipping checkpoint read" TENDSTR))); ++ ok = 0; ++ } ++ ++ if (ok) ++ ok = yaffs2_checkpt_open(dev, 0); /* open for read */ ++ ++ if (ok) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint validity" TENDSTR))); ++ ok = yaffs2_rd_checkpt_validty_marker(dev, 1); ++ } ++ if (ok) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint device" TENDSTR))); ++ ok = yaffs2_rd_checkpt_dev(dev); ++ } ++ if (ok) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint objects" TENDSTR))); ++ ok = yaffs2_rd_checkpt_objs(dev); ++ } ++ if (ok) { ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint validity" TENDSTR))); ++ ok = yaffs2_rd_checkpt_validty_marker(dev, 0); ++ } ++ ++ if (ok) { ++ ok = yaffs2_rd_checkpt_sum(dev); ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint checksum %d" TENDSTR), ok)); ++ } ++ ++ if (!yaffs_checkpt_close(dev)) ++ ok = 0; ++ ++ if (ok) ++ dev->is_checkpointed = 1; ++ else ++ dev->is_checkpointed = 0; ++ ++ return ok ? 1 : 0; ++ ++} ++ ++void yaffs2_checkpt_invalidate(yaffs_dev_t *dev) ++{ ++ if (dev->is_checkpointed || ++ dev->blocks_in_checkpt > 0) { ++ dev->is_checkpointed = 0; ++ yaffs2_checkpt_invalidate_stream(dev); ++ } ++ if (dev->param.sb_dirty_fn) ++ dev->param.sb_dirty_fn(dev); ++} ++ ++ ++int yaffs_checkpoint_save(yaffs_dev_t *dev) ++{ ++ ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("save entry: is_checkpointed %d"TENDSTR), dev->is_checkpointed)); ++ ++ yaffs_verify_objects(dev); ++ yaffs_verify_blocks(dev); ++ yaffs_verify_free_chunks(dev); ++ ++ if (!dev->is_checkpointed) { ++ yaffs2_checkpt_invalidate(dev); ++ yaffs2_wr_checkpt_data(dev); ++ } ++ ++ T(YAFFS_TRACE_ALWAYS, (TSTR("save exit: is_checkpointed %d"TENDSTR), dev->is_checkpointed)); ++ ++ return dev->is_checkpointed; ++} ++ ++int yaffs2_checkpt_restore(yaffs_dev_t *dev) ++{ ++ int retval; ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("restore entry: is_checkpointed %d"TENDSTR), dev->is_checkpointed)); ++ ++ retval = yaffs2_rd_checkpt_data(dev); ++ ++ if (dev->is_checkpointed) { ++ yaffs_verify_objects(dev); ++ yaffs_verify_blocks(dev); ++ yaffs_verify_free_chunks(dev); ++ } ++ ++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("restore exit: is_checkpointed %d"TENDSTR), dev->is_checkpointed)); ++ ++ return retval; ++} ++ ++int yaffs2_handle_hole(yaffs_obj_t *obj, loff_t new_size) ++{ ++ /* if newsSize > oldFileSize. ++ * We're going to be writing a hole. ++ * If the hole is small then write zeros otherwise write a start of hole marker. ++ */ ++ ++ ++ loff_t oldFileSize; ++ int increase; ++ int smallHole ; ++ int result = YAFFS_OK; ++ yaffs_dev_t *dev = NULL; ++ ++ __u8 *localBuffer = NULL; ++ ++ int smallIncreaseOk = 0; ++ ++ if(!obj) ++ return YAFFS_FAIL; ++ ++ if(obj->variant_type != YAFFS_OBJECT_TYPE_FILE) ++ return YAFFS_FAIL; ++ ++ dev = obj->my_dev; ++ ++ /* Bail out if not yaffs2 mode */ ++ if(!dev->param.is_yaffs2) ++ return YAFFS_OK; ++ ++ oldFileSize = obj->variant.file_variant.file_size; ++ ++ if (new_size <= oldFileSize) ++ return YAFFS_OK; ++ ++ increase = new_size - oldFileSize; ++ ++ if(increase < YAFFS_SMALL_HOLE_THRESHOLD * dev->data_bytes_per_chunk && ++ yaffs_check_alloc_available(dev, YAFFS_SMALL_HOLE_THRESHOLD + 1)) ++ smallHole = 1; ++ else ++ smallHole = 0; ++ ++ if(smallHole) ++ localBuffer= yaffs_get_temp_buffer(dev, __LINE__); ++ ++ if(localBuffer){ ++ /* fill hole with zero bytes */ ++ int pos = oldFileSize; ++ int thisWrite; ++ int written; ++ memset(localBuffer,0,dev->data_bytes_per_chunk); ++ smallIncreaseOk = 1; ++ ++ while(increase > 0 && smallIncreaseOk){ ++ thisWrite = increase; ++ if(thisWrite > dev->data_bytes_per_chunk) ++ thisWrite = dev->data_bytes_per_chunk; ++ written = yaffs_do_file_wr(obj,localBuffer,pos,thisWrite,0); ++ if(written == thisWrite){ ++ pos += thisWrite; ++ increase -= thisWrite; ++ } else ++ smallIncreaseOk = 0; ++ } ++ ++ yaffs_release_temp_buffer(dev,localBuffer,__LINE__); ++ ++ /* If we were out of space then reverse any chunks we've added */ ++ if(!smallIncreaseOk) ++ yaffs_resize_file_down(obj, oldFileSize); ++ } ++ ++ if (!smallIncreaseOk && ++ obj->parent && ++ obj->parent->obj_id != YAFFS_OBJECTID_UNLINKED && ++ obj->parent->obj_id != YAFFS_OBJECTID_DELETED){ ++ /* Write a hole start header with the old file size */ ++ yaffs_update_oh(obj, NULL, 0, 1, 0, NULL); ++ } ++ ++ return result; ++ ++} ++ ++ ++typedef struct { ++ int seq; ++ int block; ++} yaffs_BlockIndex; ++ ++ ++static int yaffs2_ybicmp(const void *a, const void *b) ++{ ++ register int aseq = ((yaffs_BlockIndex *)a)->seq; ++ register int bseq = ((yaffs_BlockIndex *)b)->seq; ++ register int ablock = ((yaffs_BlockIndex *)a)->block; ++ register int bblock = ((yaffs_BlockIndex *)b)->block; ++ if (aseq == bseq) ++ return ablock - bblock; ++ else ++ return aseq - bseq; ++} ++ ++int yaffs2_scan_backwards(yaffs_dev_t *dev) ++{ ++ yaffs_ext_tags tags; ++ int blk; ++ int blockIterator; ++ int startIterator; ++ int endIterator; ++ int nBlocksToScan = 0; ++ ++ int chunk; ++ int result; ++ int c; ++ int deleted; ++ yaffs_block_state_t state; ++ yaffs_obj_t *hard_list = NULL; ++ yaffs_block_info_t *bi; ++ __u32 seq_number; ++ yaffs_obj_header *oh; ++ yaffs_obj_t *in; ++ yaffs_obj_t *parent; ++ int nBlocks = dev->internal_end_block - dev->internal_start_block + 1; ++ int itsUnlinked; ++ __u8 *chunkData; ++ ++ int file_size; ++ int is_shrink; ++ int foundChunksInBlock; ++ int equiv_id; ++ int alloc_failed = 0; ++ ++ ++ yaffs_BlockIndex *blockIndex = NULL; ++ int altBlockIndex = 0; ++ ++ T(YAFFS_TRACE_SCAN, ++ (TSTR ++ ("yaffs2_scan_backwards starts intstartblk %d intendblk %d..." ++ TENDSTR), dev->internal_start_block, dev->internal_end_block)); ++ ++ ++ dev->seq_number = YAFFS_LOWEST_SEQUENCE_NUMBER; ++ ++ blockIndex = YMALLOC(nBlocks * sizeof(yaffs_BlockIndex)); ++ ++ if (!blockIndex) { ++ blockIndex = YMALLOC_ALT(nBlocks * sizeof(yaffs_BlockIndex)); ++ altBlockIndex = 1; ++ } ++ ++ if (!blockIndex) { ++ T(YAFFS_TRACE_SCAN, ++ (TSTR("yaffs2_scan_backwards() could not allocate block index!" TENDSTR))); ++ return YAFFS_FAIL; ++ } ++ ++ dev->blocks_in_checkpt = 0; ++ ++ chunkData = yaffs_get_temp_buffer(dev, __LINE__); ++ ++ /* Scan all the blocks to determine their state */ ++ bi = dev->block_info; ++ for (blk = dev->internal_start_block; blk <= dev->internal_end_block; blk++) { ++ yaffs_clear_chunk_bits(dev, blk); ++ bi->pages_in_use = 0; ++ bi->soft_del_pages = 0; ++ ++ yaffs_query_init_block_state(dev, blk, &state, &seq_number); ++ ++ bi->block_state = state; ++ bi->seq_number = seq_number; ++ ++ if (bi->seq_number == YAFFS_SEQUENCE_CHECKPOINT_DATA) ++ bi->block_state = state = YAFFS_BLOCK_STATE_CHECKPOINT; ++ if (bi->seq_number == YAFFS_SEQUENCE_BAD_BLOCK) ++ bi->block_state = state = YAFFS_BLOCK_STATE_DEAD; ++ ++ T(YAFFS_TRACE_SCAN_DEBUG, ++ (TSTR("Block scanning block %d state %d seq %d" TENDSTR), blk, ++ state, seq_number)); ++ ++ ++ if (state == YAFFS_BLOCK_STATE_CHECKPOINT) { ++ dev->blocks_in_checkpt++; ++ ++ } else if (state == YAFFS_BLOCK_STATE_DEAD) { ++ T(YAFFS_TRACE_BAD_BLOCKS, ++ (TSTR("block %d is bad" TENDSTR), blk)); ++ } else if (state == YAFFS_BLOCK_STATE_EMPTY) { ++ T(YAFFS_TRACE_SCAN_DEBUG, ++ (TSTR("Block empty " TENDSTR))); ++ dev->n_erased_blocks++; ++ dev->n_free_chunks += dev->param.chunks_per_block; ++ } else if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING) { ++ ++ /* Determine the highest sequence number */ ++ if (seq_number >= YAFFS_LOWEST_SEQUENCE_NUMBER && ++ seq_number < YAFFS_HIGHEST_SEQUENCE_NUMBER) { ++ ++ blockIndex[nBlocksToScan].seq = seq_number; ++ blockIndex[nBlocksToScan].block = blk; ++ ++ nBlocksToScan++; ++ ++ if (seq_number >= dev->seq_number) ++ dev->seq_number = seq_number; ++ } else { ++ /* TODO: Nasty sequence number! */ ++ T(YAFFS_TRACE_SCAN, ++ (TSTR ++ ("Block scanning block %d has bad sequence number %d" ++ TENDSTR), blk, seq_number)); ++ ++ } ++ } ++ bi++; ++ } ++ ++ T(YAFFS_TRACE_SCAN, ++ (TSTR("%d blocks to be sorted..." TENDSTR), nBlocksToScan)); ++ ++ ++ ++ YYIELD(); ++ ++ /* Sort the blocks by sequence number*/ ++ yaffs_qsort(blockIndex, nBlocksToScan, sizeof(yaffs_BlockIndex), yaffs2_ybicmp); ++ ++ YYIELD(); ++ ++ T(YAFFS_TRACE_SCAN, (TSTR("...done" TENDSTR))); ++ ++ /* Now scan the blocks looking at the data. */ ++ startIterator = 0; ++ endIterator = nBlocksToScan - 1; ++ T(YAFFS_TRACE_SCAN_DEBUG, ++ (TSTR("%d blocks to be scanned" TENDSTR), nBlocksToScan)); ++ ++ /* For each block.... backwards */ ++ for (blockIterator = endIterator; !alloc_failed && blockIterator >= startIterator; ++ blockIterator--) { ++ /* Cooperative multitasking! This loop can run for so ++ long that watchdog timers expire. */ ++ YYIELD(); ++ ++ /* get the block to scan in the correct order */ ++ blk = blockIndex[blockIterator].block; ++ ++ bi = yaffs_get_block_info(dev, blk); ++ ++ ++ state = bi->block_state; ++ ++ deleted = 0; ++ ++ /* For each chunk in each block that needs scanning.... */ ++ foundChunksInBlock = 0; ++ for (c = dev->param.chunks_per_block - 1; ++ !alloc_failed && c >= 0 && ++ (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING || ++ state == YAFFS_BLOCK_STATE_ALLOCATING); c--) { ++ /* Scan backwards... ++ * Read the tags and decide what to do ++ */ ++ ++ chunk = blk * dev->param.chunks_per_block + c; ++ ++ result = yaffs_rd_chunk_tags_nand(dev, chunk, NULL, ++ &tags); ++ ++ /* Let's have a good look at this chunk... */ ++ ++ if (!tags.chunk_used) { ++ /* An unassigned chunk in the block. ++ * If there are used chunks after this one, then ++ * it is a chunk that was skipped due to failing the erased ++ * check. Just skip it so that it can be deleted. ++ * But, more typically, We get here when this is an unallocated ++ * chunk and his means that either the block is empty or ++ * this is the one being allocated from ++ */ ++ ++ if (foundChunksInBlock) { ++ /* This is a chunk that was skipped due to failing the erased check */ ++ } else if (c == 0) { ++ /* We're looking at the first chunk in the block so the block is unused */ ++ state = YAFFS_BLOCK_STATE_EMPTY; ++ dev->n_erased_blocks++; ++ } else { ++ if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING || ++ state == YAFFS_BLOCK_STATE_ALLOCATING) { ++ if (dev->seq_number == bi->seq_number) { ++ /* this is the block being allocated from */ ++ ++ T(YAFFS_TRACE_SCAN, ++ (TSTR ++ (" Allocating from %d %d" ++ TENDSTR), blk, c)); ++ ++ state = YAFFS_BLOCK_STATE_ALLOCATING; ++ dev->alloc_block = blk; ++ dev->alloc_page = c; ++ dev->alloc_block_finder = blk; ++ } else { ++ /* This is a partially written block that is not ++ * the current allocation block. ++ */ ++ ++ T(YAFFS_TRACE_SCAN, ++ (TSTR("Partially written block %d detected" TENDSTR), ++ blk)); ++ } ++ } ++ } ++ ++ dev->n_free_chunks++; ++ ++ } else if (tags.ecc_result == YAFFS_ECC_RESULT_UNFIXED) { ++ T(YAFFS_TRACE_SCAN, ++ (TSTR(" Unfixed ECC in chunk(%d:%d), chunk ignored"TENDSTR), ++ blk, c)); ++ ++ dev->n_free_chunks++; ++ ++ } else if (tags.obj_id > YAFFS_MAX_OBJECT_ID || ++ tags.chunk_id > YAFFS_MAX_CHUNK_ID || ++ (tags.chunk_id > 0 && tags.n_bytes > dev->data_bytes_per_chunk) || ++ tags.seq_number != bi->seq_number ) { ++ T(YAFFS_TRACE_SCAN, ++ (TSTR("Chunk (%d:%d) with bad tags:obj = %d, chunk_id = %d, n_bytes = %d, ignored"TENDSTR), ++ blk, c,tags.obj_id, tags.chunk_id, tags.n_bytes)); ++ ++ dev->n_free_chunks++; ++ ++ } else if (tags.chunk_id > 0) { ++ /* chunk_id > 0 so it is a data chunk... */ ++ unsigned int endpos; ++ __u32 chunkBase = ++ (tags.chunk_id - 1) * dev->data_bytes_per_chunk; ++ ++ foundChunksInBlock = 1; ++ ++ ++ yaffs_set_chunk_bit(dev, blk, c); ++ bi->pages_in_use++; ++ ++ in = yaffs_find_or_create_by_number(dev, ++ tags. ++ obj_id, ++ YAFFS_OBJECT_TYPE_FILE); ++ if (!in) { ++ /* Out of memory */ ++ alloc_failed = 1; ++ } ++ ++ if (in && ++ in->variant_type == YAFFS_OBJECT_TYPE_FILE ++ && chunkBase < in->variant.file_variant.shrink_size) { ++ /* This has not been invalidated by a resize */ ++ if (!yaffs_put_chunk_in_file(in, tags.chunk_id, chunk, -1)) { ++ alloc_failed = 1; ++ } ++ ++ /* File size is calculated by looking at the data chunks if we have not ++ * seen an object header yet. Stop this practice once we find an object header. ++ */ ++ endpos = chunkBase + tags.n_bytes; ++ ++ if (!in->valid && /* have not got an object header yet */ ++ in->variant.file_variant.scanned_size < endpos) { ++ in->variant.file_variant.scanned_size = endpos; ++ in->variant.file_variant.file_size = endpos; ++ } ++ ++ } else if (in) { ++ /* This chunk has been invalidated by a resize, or a past file deletion ++ * so delete the chunk*/ ++ yaffs_chunk_del(dev, chunk, 1, __LINE__); ++ ++ } ++ } else { ++ /* chunk_id == 0, so it is an ObjectHeader. ++ * Thus, we read in the object header and make the object ++ */ ++ foundChunksInBlock = 1; ++ ++ yaffs_set_chunk_bit(dev, blk, c); ++ bi->pages_in_use++; ++ ++ oh = NULL; ++ in = NULL; ++ ++ if (tags.extra_available) { ++ in = yaffs_find_or_create_by_number(dev, ++ tags.obj_id, ++ tags.extra_obj_type); ++ if (!in) ++ alloc_failed = 1; ++ } ++ ++ if (!in || ++ (!in->valid && dev->param.disable_lazy_load) || ++ tags.extra_shadows || ++ (!in->valid && ++ (tags.obj_id == YAFFS_OBJECTID_ROOT || ++ tags.obj_id == YAFFS_OBJECTID_LOSTNFOUND))) { ++ ++ /* If we don't have valid info then we need to read the chunk ++ * TODO In future we can probably defer reading the chunk and ++ * living with invalid data until needed. ++ */ ++ ++ result = yaffs_rd_chunk_tags_nand(dev, ++ chunk, ++ chunkData, ++ NULL); ++ ++ oh = (yaffs_obj_header *) chunkData; ++ ++ if (dev->param.inband_tags) { ++ /* Fix up the header if they got corrupted by inband tags */ ++ oh->shadows_obj = oh->inband_shadowed_obj_id; ++ oh->is_shrink = oh->inband_is_shrink; ++ } ++ ++ if (!in) { ++ in = yaffs_find_or_create_by_number(dev, tags.obj_id, oh->type); ++ if (!in) ++ alloc_failed = 1; ++ } ++ ++ } ++ ++ if (!in) { ++ /* TODO Hoosterman we have a problem! */ ++ T(YAFFS_TRACE_ERROR, ++ (TSTR ++ ("yaffs tragedy: Could not make object for object %d at chunk %d during scan" ++ TENDSTR), tags.obj_id, chunk)); ++ continue; ++ } ++ ++ if (in->valid) { ++ /* We have already filled this one. ++ * We have a duplicate that will be discarded, but ++ * we first have to suck out resize info if it is a file. ++ */ ++ ++ if ((in->variant_type == YAFFS_OBJECT_TYPE_FILE) && ++ ((oh && ++ oh->type == YAFFS_OBJECT_TYPE_FILE) || ++ (tags.extra_available && ++ tags.extra_obj_type == YAFFS_OBJECT_TYPE_FILE))) { ++ __u32 thisSize = ++ (oh) ? oh->file_size : tags. ++ extra_length; ++ __u32 parent_obj_id = ++ (oh) ? oh-> ++ parent_obj_id : tags. ++ extra_parent_id; ++ ++ ++ is_shrink = ++ (oh) ? oh->is_shrink : tags. ++ extra_is_shrink; ++ ++ /* If it is deleted (unlinked at start also means deleted) ++ * we treat the file size as being zeroed at this point. ++ */ ++ if (parent_obj_id == ++ YAFFS_OBJECTID_DELETED ++ || parent_obj_id == ++ YAFFS_OBJECTID_UNLINKED) { ++ thisSize = 0; ++ is_shrink = 1; ++ } ++ ++ if (is_shrink && in->variant.file_variant.shrink_size > thisSize) ++ in->variant.file_variant.shrink_size = thisSize; ++ ++ if (is_shrink) ++ bi->has_shrink_hdr = 1; ++ ++ } ++ /* Use existing - destroy this one. */ ++ yaffs_chunk_del(dev, chunk, 1, __LINE__); ++ ++ } ++ ++ if (!in->valid && in->variant_type != ++ (oh ? oh->type : tags.extra_obj_type)) ++ T(YAFFS_TRACE_ERROR, ( ++ TSTR("yaffs tragedy: Bad object type, " ++ TCONT("%d != %d, for object %d at chunk ") ++ TCONT("%d during scan") ++ TENDSTR), oh ? ++ oh->type : tags.extra_obj_type, ++ in->variant_type, tags.obj_id, ++ chunk)); ++ ++ if (!in->valid && ++ (tags.obj_id == YAFFS_OBJECTID_ROOT || ++ tags.obj_id == ++ YAFFS_OBJECTID_LOSTNFOUND)) { ++ /* We only load some info, don't fiddle with directory structure */ ++ in->valid = 1; ++ ++ if (oh) { ++ ++ in->yst_mode = oh->yst_mode; ++#ifdef CONFIG_YAFFS_WINCE ++ in->win_atime[0] = oh->win_atime[0]; ++ in->win_ctime[0] = oh->win_ctime[0]; ++ in->win_mtime[0] = oh->win_mtime[0]; ++ in->win_atime[1] = oh->win_atime[1]; ++ in->win_ctime[1] = oh->win_ctime[1]; ++ in->win_mtime[1] = oh->win_mtime[1]; ++#else ++ in->yst_uid = oh->yst_uid; ++ in->yst_gid = oh->yst_gid; ++ in->yst_atime = oh->yst_atime; ++ in->yst_mtime = oh->yst_mtime; ++ in->yst_ctime = oh->yst_ctime; ++ in->yst_rdev = oh->yst_rdev; ++ ++ in->lazy_loaded = 0; ++ ++#endif ++ } else ++ in->lazy_loaded = 1; ++ ++ in->hdr_chunk = chunk; ++ ++ } else if (!in->valid) { ++ /* we need to load this info */ ++ ++ in->valid = 1; ++ in->hdr_chunk = chunk; ++ ++ if (oh) { ++ in->variant_type = oh->type; ++ ++ in->yst_mode = oh->yst_mode; ++#ifdef CONFIG_YAFFS_WINCE ++ in->win_atime[0] = oh->win_atime[0]; ++ in->win_ctime[0] = oh->win_ctime[0]; ++ in->win_mtime[0] = oh->win_mtime[0]; ++ in->win_atime[1] = oh->win_atime[1]; ++ in->win_ctime[1] = oh->win_ctime[1]; ++ in->win_mtime[1] = oh->win_mtime[1]; ++#else ++ in->yst_uid = oh->yst_uid; ++ in->yst_gid = oh->yst_gid; ++ in->yst_atime = oh->yst_atime; ++ in->yst_mtime = oh->yst_mtime; ++ in->yst_ctime = oh->yst_ctime; ++ in->yst_rdev = oh->yst_rdev; ++#endif ++ ++ if (oh->shadows_obj > 0) ++ yaffs_handle_shadowed_obj(dev, ++ oh-> ++ shadows_obj, ++ 1); ++ ++ ++ ++ yaffs_set_obj_name_from_oh(in, oh); ++ parent = ++ yaffs_find_or_create_by_number ++ (dev, oh->parent_obj_id, ++ YAFFS_OBJECT_TYPE_DIRECTORY); ++ ++ file_size = oh->file_size; ++ is_shrink = oh->is_shrink; ++ equiv_id = oh->equiv_id; ++ ++ } else { ++ in->variant_type = tags.extra_obj_type; ++ parent = ++ yaffs_find_or_create_by_number ++ (dev, tags.extra_parent_id, ++ YAFFS_OBJECT_TYPE_DIRECTORY); ++ file_size = tags.extra_length; ++ is_shrink = tags.extra_is_shrink; ++ equiv_id = tags.extra_equiv_id; ++ in->lazy_loaded = 1; ++ ++ } ++ in->dirty = 0; ++ ++ if (!parent) ++ alloc_failed = 1; ++ ++ /* directory stuff... ++ * hook up to parent ++ */ ++ ++ if (parent && parent->variant_type == ++ YAFFS_OBJECT_TYPE_UNKNOWN) { ++ /* Set up as a directory */ ++ parent->variant_type = ++ YAFFS_OBJECT_TYPE_DIRECTORY; ++ YINIT_LIST_HEAD(&parent->variant. ++ dir_variant. ++ children); ++ } else if (!parent || parent->variant_type != ++ YAFFS_OBJECT_TYPE_DIRECTORY) { ++ /* Hoosterman, another problem.... ++ * We're trying to use a non-directory as a directory ++ */ ++ ++ T(YAFFS_TRACE_ERROR, ++ (TSTR ++ ("yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found." ++ TENDSTR))); ++ parent = dev->lost_n_found; ++ } ++ ++ yaffs_add_obj_to_dir(parent, in); ++ ++ itsUnlinked = (parent == dev->del_dir) || ++ (parent == dev->unlinked_dir); ++ ++ if (is_shrink) { ++ /* Mark the block as having a shrinkHeader */ ++ bi->has_shrink_hdr = 1; ++ } ++ ++ /* Note re hardlinks. ++ * Since we might scan a hardlink before its equivalent object is scanned ++ * we put them all in a list. ++ * After scanning is complete, we should have all the objects, so we run ++ * through this list and fix up all the chains. ++ */ ++ ++ switch (in->variant_type) { ++ case YAFFS_OBJECT_TYPE_UNKNOWN: ++ /* Todo got a problem */ ++ break; ++ case YAFFS_OBJECT_TYPE_FILE: ++ ++ if (in->variant.file_variant. ++ scanned_size < file_size) { ++ /* This covers the case where the file size is greater ++ * than where the data is ++ * This will happen if the file is resized to be larger ++ * than its current data extents. ++ */ ++ in->variant.file_variant.file_size = file_size; ++ in->variant.file_variant.scanned_size = file_size; ++ } ++ ++ if (in->variant.file_variant.shrink_size > file_size) ++ in->variant.file_variant.shrink_size = file_size; ++ ++ ++ break; ++ case YAFFS_OBJECT_TYPE_HARDLINK: ++ if (!itsUnlinked) { ++ in->variant.hardlink_variant.equiv_id = ++ equiv_id; ++ in->hard_links.next = ++ (struct ylist_head *) hard_list; ++ hard_list = in; ++ } ++ break; ++ case YAFFS_OBJECT_TYPE_DIRECTORY: ++ /* Do nothing */ ++ break; ++ case YAFFS_OBJECT_TYPE_SPECIAL: ++ /* Do nothing */ ++ break; ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ if (oh) { ++ in->variant.symlink_variant.alias = ++ yaffs_clone_str(oh->alias); ++ if (!in->variant.symlink_variant.alias) ++ alloc_failed = 1; ++ } ++ break; ++ } ++ ++ } ++ ++ } ++ ++ } /* End of scanning for each chunk */ ++ ++ if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING) { ++ /* If we got this far while scanning, then the block is fully allocated. */ ++ state = YAFFS_BLOCK_STATE_FULL; ++ } ++ ++ ++ bi->block_state = state; ++ ++ /* Now let's see if it was dirty */ ++ if (bi->pages_in_use == 0 && ++ !bi->has_shrink_hdr && ++ bi->block_state == YAFFS_BLOCK_STATE_FULL) { ++ yaffs_block_became_dirty(dev, blk); ++ } ++ ++ } ++ ++ yaffs_skip_rest_of_block(dev); ++ ++ if (altBlockIndex) ++ YFREE_ALT(blockIndex); ++ else ++ YFREE(blockIndex); ++ ++ /* Ok, we've done all the scanning. ++ * Fix up the hard link chains. ++ * We should now have scanned all the objects, now it's time to add these ++ * hardlinks. ++ */ ++ yaffs_link_fixup(dev, hard_list); ++ ++ ++ yaffs_release_temp_buffer(dev, chunkData, __LINE__); ++ ++ if (alloc_failed) ++ return YAFFS_FAIL; ++ ++ T(YAFFS_TRACE_SCAN, (TSTR("yaffs2_scan_backwards ends" TENDSTR))); ++ ++ return YAFFS_OK; ++} +--- /dev/null ++++ b/fs/yaffs2/yaffs_yaffs2.h +@@ -0,0 +1,36 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2010 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning <charles@aleph1.co.uk> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#ifndef __YAFFS_YAFFS2_H__ ++#define __YAFFS_YAFFS2_H__ ++ ++#include "yaffs_guts.h" ++ ++void yaffs_calc_oldest_dirty_seq(yaffs_dev_t *dev); ++void yaffs2_find_oldest_dirty_seq(yaffs_dev_t *dev); ++void yaffs2_clear_oldest_dirty_seq(yaffs_dev_t *dev, yaffs_block_info_t *bi); ++void yaffs2_update_oldest_dirty_seq(yaffs_dev_t *dev, unsigned block_no, yaffs_block_info_t *bi); ++int yaffs_block_ok_for_gc(yaffs_dev_t *dev, yaffs_block_info_t *bi); ++__u32 yaffs2_find_refresh_block(yaffs_dev_t *dev); ++int yaffs2_checkpt_required(yaffs_dev_t *dev); ++int yaffs_calc_checkpt_blocks_required(yaffs_dev_t *dev); ++ ++ ++void yaffs2_checkpt_invalidate(yaffs_dev_t *dev); ++int yaffs2_checkpt_save(yaffs_dev_t *dev); ++int yaffs2_checkpt_restore(yaffs_dev_t *dev); ++ ++int yaffs2_handle_hole(yaffs_obj_t *obj, loff_t new_size); ++int yaffs2_scan_backwards(yaffs_dev_t *dev); ++ ++#endif +--- a/fs/yaffs2/yportenv.h ++++ b/fs/yaffs2/yportenv.h +@@ -1,7 +1,7 @@ + /* + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * +- * Copyright (C) 2002-2007 Aleph One Ltd. ++ * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> +@@ -41,12 +41,14 @@ + #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)) + #include <linux/config.h> + #endif ++ + #include <linux/kernel.h> + #include <linux/mm.h> + #include <linux/sched.h> + #include <linux/string.h> + #include <linux/slab.h> + #include <linux/vmalloc.h> ++#include <linux/xattr.h> + + #define YCHAR char + #define YUCHAR unsigned char +@@ -55,11 +57,11 @@ + #define yaffs_strcpy(a, b) strcpy(a, b) + #define yaffs_strncpy(a, b, c) strncpy(a, b, c) + #define yaffs_strncmp(a, b, c) strncmp(a, b, c) +-#define yaffs_strlen(s) strlen(s) ++#define yaffs_strnlen(s,m) strnlen(s,m) + #define yaffs_sprintf sprintf + #define yaffs_toupper(a) toupper(a) + +-#define Y_INLINE inline ++#define Y_INLINE __inline__ + + #define YAFFS_LOSTNFOUND_NAME "lost+found" + #define YAFFS_LOSTNFOUND_PREFIX "obj" +@@ -71,11 +73,11 @@ + #define YFREE_ALT(x) vfree(x) + #define YMALLOC_DMA(x) YMALLOC(x) + +-/* KR - added for use in scan so processes aren't blocked indefinitely. */ + #define YYIELD() schedule() ++#define Y_DUMP_STACK() dump_stack() + +-#define YAFFS_ROOT_MODE 0666 +-#define YAFFS_LOSTNFOUND_MODE 0666 ++#define YAFFS_ROOT_MODE 0755 ++#define YAFFS_LOSTNFOUND_MODE 0700 + + #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + #define Y_CURRENT_TIME CURRENT_TIME.tv_sec +@@ -85,19 +87,14 @@ + #define Y_TIME_CONVERT(x) (x) + #endif + +-#define yaffs_SumCompare(x, y) ((x) == (y)) ++#define yaffs_sum_cmp(x, y) ((x) == (y)) + #define yaffs_strcmp(a, b) strcmp(a, b) + + #define TENDSTR "\n" +-#define TSTR(x) KERN_WARNING x ++#define TSTR(x) KERN_DEBUG x + #define TCONT(x) x + #define TOUT(p) printk p + +-#define yaffs_trace(mask, fmt, args...) \ +- do { if ((mask) & (yaffs_traceMask|YAFFS_TRACE_ERROR)) \ +- printk(KERN_WARNING "yaffs: " fmt, ## args); \ +- } while (0) +- + #define compile_time_assertion(assertion) \ + ({ int x = __builtin_choose_expr(assertion, 0, (void)0); (void) x; }) + +@@ -116,7 +113,6 @@ + #include "stdio.h" + #include "string.h" + +-#include "devextras.h" + + #define YMALLOC(x) malloc(x) + #define YFREE(x) free(x) +@@ -129,7 +125,7 @@ + #define yaffs_strcat(a, b) strcat(a, b) + #define yaffs_strcpy(a, b) strcpy(a, b) + #define yaffs_strncpy(a, b, c) strncpy(a, b, c) +-#define yaffs_strlen(s) strlen(s) ++#define yaffs_strnlen(s,m) strnlen(s,m) + #define yaffs_sprintf sprintf + #define yaffs_toupper(a) toupper(a) + +@@ -146,10 +142,10 @@ + #define YAFFS_LOSTNFOUND_PREFIX "obj" + /* #define YPRINTF(x) printf x */ + +-#define YAFFS_ROOT_MODE 0666 +-#define YAFFS_LOSTNFOUND_MODE 0666 ++#define YAFFS_ROOT_MODE 0755 ++#define YAFFS_LOSTNFOUND_MODE 0700 + +-#define yaffs_SumCompare(x, y) ((x) == (y)) ++#define yaffs_sum_cmp(x, y) ((x) == (y)) + #define yaffs_strcmp(a, b) strcmp(a, b) + + #else +@@ -158,46 +154,180 @@ + + #endif + +-/* see yaffs_fs.c */ +-extern unsigned int yaffs_traceMask; +-extern unsigned int yaffs_wr_attempts; ++#if defined(CONFIG_YAFFS_DIRECT) || defined(CONFIG_YAFFS_WINCE) + +-/* +- * Tracing flags. +- * The flags masked in YAFFS_TRACE_ALWAYS are always traced. +- */ ++#ifdef CONFIG_YAFFSFS_PROVIDE_VALUES ++ ++#ifndef O_RDONLY ++#define O_RDONLY 00 ++#endif ++ ++#ifndef O_WRONLY ++#define O_WRONLY 01 ++#endif ++ ++#ifndef O_RDWR ++#define O_RDWR 02 ++#endif ++ ++#ifndef O_CREAT ++#define O_CREAT 0100 ++#endif ++ ++#ifndef O_EXCL ++#define O_EXCL 0200 ++#endif ++ ++#ifndef O_TRUNC ++#define O_TRUNC 01000 ++#endif ++ ++#ifndef O_APPEND ++#define O_APPEND 02000 ++#endif ++ ++#ifndef SEEK_SET ++#define SEEK_SET 0 ++#endif ++ ++#ifndef SEEK_CUR ++#define SEEK_CUR 1 ++#endif ++ ++#ifndef SEEK_END ++#define SEEK_END 2 ++#endif ++ ++#ifndef EBUSY ++#define EBUSY 16 ++#endif ++ ++#ifndef ENODEV ++#define ENODEV 19 ++#endif ++ ++#ifndef EINVAL ++#define EINVAL 22 ++#endif ++ ++#ifndef EBADF ++#define EBADF 9 ++#endif ++ ++#ifndef EACCES ++#define EACCES 13 ++#endif ++ ++#ifndef EXDEV ++#define EXDEV 18 ++#endif ++ ++#ifndef ENOENT ++#define ENOENT 2 ++#endif ++ ++#ifndef ENOSPC ++#define ENOSPC 28 ++#endif ++ ++#ifndef ERANGE ++#define ERANGE 34 ++#endif ++ ++#ifndef ENODATA ++#define ENODATA 61 ++#endif ++ ++#ifndef ENOTEMPTY ++#define ENOTEMPTY 39 ++#endif ++ ++#ifndef ENAMETOOLONG ++#define ENAMETOOLONG 36 ++#endif ++ ++#ifndef ENOMEM ++#define ENOMEM 12 ++#endif ++ ++#ifndef EEXIST ++#define EEXIST 17 ++#endif ++ ++#ifndef ENOTDIR ++#define ENOTDIR 20 ++#endif ++ ++#ifndef EISDIR ++#define EISDIR 21 ++#endif ++ ++ ++// Mode flags ++ ++#ifndef S_IFMT ++#define S_IFMT 0170000 ++#endif ++ ++#ifndef S_IFLNK ++#define S_IFLNK 0120000 ++#endif + +-#define YAFFS_TRACE_OS 0x00000002 +-#define YAFFS_TRACE_ALLOCATE 0x00000004 +-#define YAFFS_TRACE_SCAN 0x00000008 +-#define YAFFS_TRACE_BAD_BLOCKS 0x00000010 +-#define YAFFS_TRACE_ERASE 0x00000020 +-#define YAFFS_TRACE_GC 0x00000040 +-#define YAFFS_TRACE_WRITE 0x00000080 +-#define YAFFS_TRACE_TRACING 0x00000100 +-#define YAFFS_TRACE_DELETION 0x00000200 +-#define YAFFS_TRACE_BUFFERS 0x00000400 +-#define YAFFS_TRACE_NANDACCESS 0x00000800 +-#define YAFFS_TRACE_GC_DETAIL 0x00001000 +-#define YAFFS_TRACE_SCAN_DEBUG 0x00002000 +-#define YAFFS_TRACE_MTD 0x00004000 +-#define YAFFS_TRACE_CHECKPOINT 0x00008000 +- +-#define YAFFS_TRACE_VERIFY 0x00010000 +-#define YAFFS_TRACE_VERIFY_NAND 0x00020000 +-#define YAFFS_TRACE_VERIFY_FULL 0x00040000 +-#define YAFFS_TRACE_VERIFY_ALL 0x000F0000 +- +- +-#define YAFFS_TRACE_ERROR 0x40000000 +-#define YAFFS_TRACE_BUG 0x80000000 +-#define YAFFS_TRACE_ALWAYS 0xF0000000 ++#ifndef S_IFDIR ++#define S_IFDIR 0040000 ++#endif ++ ++#ifndef S_IFREG ++#define S_IFREG 0100000 ++#endif + ++#ifndef S_IREAD ++#define S_IREAD 0000400 ++#endif ++ ++#ifndef S_IWRITE ++#define S_IWRITE 0000200 ++#endif + +-#define T(mask, p) do { if ((mask) & (yaffs_traceMask | YAFFS_TRACE_ALWAYS)) TOUT(p); } while (0) ++#ifndef S_IEXEC ++#define S_IEXEC 0000100 ++#endif ++ ++#ifndef XATTR_CREATE ++#define XATTR_CREATE 1 ++#endif ++ ++#ifndef XATTR_REPLACE ++#define XATTR_REPLACE 2 ++#endif ++ ++#ifndef R_OK ++#define R_OK 4 ++#define W_OK 2 ++#define X_OK 1 ++#define F_OK 0 ++#endif ++ ++#else ++#include <errno.h> ++#include <sys/stat.h> ++#include <fcntl.h> ++#endif ++ ++#endif ++ ++#ifndef Y_DUMP_STACK ++#define Y_DUMP_STACK() do { } while (0) ++#endif + + #ifndef YBUG +-#define YBUG() do {T(YAFFS_TRACE_BUG, (TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR), __LINE__)); } while (0) ++#define YBUG() do {\ ++ T(YAFFS_TRACE_BUG,\ ++ (TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),\ ++ __LINE__));\ ++ Y_DUMP_STACK();\ ++} while (0) + #endif + ++ + #endif diff --git a/target/linux/generic/patches-3.6/503-yaffs_symlink_bug.patch b/target/linux/generic/patches-3.6/503-yaffs_symlink_bug.patch new file mode 100644 index 0000000000..dabf2871bf --- /dev/null +++ b/target/linux/generic/patches-3.6/503-yaffs_symlink_bug.patch @@ -0,0 +1,17 @@ +--- a/fs/yaffs2/yaffs_guts.c ++++ b/fs/yaffs2/yaffs_guts.c +@@ -1709,11 +1709,11 @@ static int yaffs_change_obj_name(yaffs_o + } + + /* TODO: Do we need this different handling for YAFFS2 and YAFFS1?? */ +- if (obj->my_dev->param.is_yaffs2) ++ // if (obj->my_dev->param.is_yaffs2) + unlinkOp = (new_dir == obj->my_dev->unlinked_dir); +- else ++ /* else + unlinkOp = (new_dir == obj->my_dev->unlinked_dir +- && obj->variant_type == YAFFS_OBJECT_TYPE_FILE); ++ && obj->variant_type == YAFFS_OBJECT_TYPE_FILE); */ + + deleteOp = (new_dir == obj->my_dev->del_dir); + diff --git a/target/linux/generic/patches-3.6/504-yaffs_mutex_fix.patch b/target/linux/generic/patches-3.6/504-yaffs_mutex_fix.patch new file mode 100644 index 0000000000..b34b12f785 --- /dev/null +++ b/target/linux/generic/patches-3.6/504-yaffs_mutex_fix.patch @@ -0,0 +1,20 @@ +--- a/fs/yaffs2/yaffs_vfs_glue.c ++++ b/fs/yaffs2/yaffs_vfs_glue.c +@@ -3036,7 +3036,7 @@ static struct super_block *yaffs_interna + YINIT_LIST_HEAD(&(yaffs_dev_to_lc(dev)->searchContexts)); + param->remove_obj_fn = yaffs_remove_obj_callback; + +- init_MUTEX(&(yaffs_dev_to_lc(dev)->grossLock)); ++ sema_init(&(yaffs_dev_to_lc(dev)->grossLock), 1); + + yaffs_gross_lock(dev); + +@@ -3494,7 +3494,7 @@ static int __init init_yaffs_fs(void) + + + +- init_MUTEX(&yaffs_context_lock); ++ sema_init((&yaffs_context_lock), 1); + + /* Install the proc_fs entries */ + my_proc_entry = create_proc_entry("yaffs", diff --git a/target/linux/generic/patches-3.6/505-2.6.39_fix.patch b/target/linux/generic/patches-3.6/505-2.6.39_fix.patch new file mode 100644 index 0000000000..5108f7be3f --- /dev/null +++ b/target/linux/generic/patches-3.6/505-2.6.39_fix.patch @@ -0,0 +1,147 @@ +--- a/fs/yaffs2/yaffs_vfs_glue.c ++++ b/fs/yaffs2/yaffs_vfs_glue.c +@@ -72,7 +72,7 @@ + #include <linux/init.h> + #include <linux/fs.h> + #include <linux/proc_fs.h> +-#include <linux/smp_lock.h> ++#include <linux/mutex.h> + #include <linux/pagemap.h> + #include <linux/mtd/mtd.h> + #include <linux/interrupt.h> +@@ -97,6 +97,8 @@ + + #include <asm/div64.h> + ++static DEFINE_MUTEX(yaffs_mutex); ++ + #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + + #include <linux/statfs.h> +@@ -1538,7 +1540,7 @@ static loff_t yaffs_dir_llseek(struct fi + { + long long retval; + +- lock_kernel(); ++ mutex_lock(&yaffs_mutex); + + switch (origin){ + case 2: +@@ -1555,7 +1557,7 @@ static loff_t yaffs_dir_llseek(struct fi + + retval = offset; + } +- unlock_kernel(); ++ mutex_unlock(&yaffs_mutex); + return retval; + } + +@@ -3087,98 +3089,52 @@ static struct super_block *yaffs_interna + return sb; + } + +- +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + static int yaffs_internal_read_super_mtd(struct super_block *sb, void *data, + int silent) + { + return yaffs_internal_read_super(1, sb, data, silent) ? 0 : -EINVAL; + } + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) +-static int yaffs_read_super(struct file_system_type *fs, ++static struct dentry *yaffs_read_super(struct file_system_type *fs, + int flags, const char *dev_name, +- void *data, struct vfsmount *mnt) +-{ +- +- return get_sb_bdev(fs, flags, dev_name, data, +- yaffs_internal_read_super_mtd, mnt); +-} +-#else +-static struct super_block *yaffs_read_super(struct file_system_type *fs, +- int flags, const char *dev_name, +- void *data) ++ void *data) + { + +- return get_sb_bdev(fs, flags, dev_name, data, ++ return mount_bdev(fs, flags, dev_name, data, + yaffs_internal_read_super_mtd); + } +-#endif + + static struct file_system_type yaffs_fs_type = { + .owner = THIS_MODULE, + .name = "yaffs", +- .get_sb = yaffs_read_super, ++ .mount = yaffs_read_super, + .kill_sb = kill_block_super, + .fs_flags = FS_REQUIRES_DEV, + }; +-#else +-static struct super_block *yaffs_read_super(struct super_block *sb, void *data, +- int silent) +-{ +- return yaffs_internal_read_super(1, sb, data, silent); +-} +- +-static DECLARE_FSTYPE(yaffs_fs_type, "yaffs", yaffs_read_super, +- FS_REQUIRES_DEV); +-#endif +- + + #ifdef CONFIG_YAFFS_YAFFS2 + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + static int yaffs2_internal_read_super_mtd(struct super_block *sb, void *data, + int silent) + { + return yaffs_internal_read_super(2, sb, data, silent) ? 0 : -EINVAL; + } + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) +-static int yaffs2_read_super(struct file_system_type *fs, +- int flags, const char *dev_name, void *data, +- struct vfsmount *mnt) ++static struct dentry *yaffs2_read_super(struct file_system_type *fs, ++ int flags, const char *dev_name, ++ void *data) + { +- return get_sb_bdev(fs, flags, dev_name, data, +- yaffs2_internal_read_super_mtd, mnt); ++ return mount_bdev(fs, flags, dev_name, data, ++ yaffs_internal_read_super_mtd); + } +-#else +-static struct super_block *yaffs2_read_super(struct file_system_type *fs, +- int flags, const char *dev_name, +- void *data) +-{ +- +- return get_sb_bdev(fs, flags, dev_name, data, +- yaffs2_internal_read_super_mtd); +-} +-#endif + + static struct file_system_type yaffs2_fs_type = { + .owner = THIS_MODULE, + .name = "yaffs2", +- .get_sb = yaffs2_read_super, ++ .mount = yaffs2_read_super, + .kill_sb = kill_block_super, + .fs_flags = FS_REQUIRES_DEV, + }; +-#else +-static struct super_block *yaffs2_read_super(struct super_block *sb, +- void *data, int silent) +-{ +- return yaffs_internal_read_super(2, sb, data, silent); +-} +- +-static DECLARE_FSTYPE(yaffs2_fs_type, "yaffs2", yaffs2_read_super, +- FS_REQUIRES_DEV); +-#endif + + #endif /* CONFIG_YAFFS_YAFFS2 */ + diff --git a/target/linux/generic/patches-3.6/506-yaffs2-3.2_fix.patch b/target/linux/generic/patches-3.6/506-yaffs2-3.2_fix.patch new file mode 100644 index 0000000000..f84332ab29 --- /dev/null +++ b/target/linux/generic/patches-3.6/506-yaffs2-3.2_fix.patch @@ -0,0 +1,289 @@ +--- a/fs/yaffs2/yaffs_vfs_glue.c ++++ b/fs/yaffs2/yaffs_vfs_glue.c +@@ -220,11 +220,34 @@ static struct inode *yaffs_iget(struct s + #define yaffs_SuperToDevice(sb) ((yaffs_dev_t *)sb->u.generic_sbp) + #endif + ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) ++static inline void yaffs_set_nlink(struct inode *inode, unsigned int nlink) ++{ ++ set_nlink(inode, nlink); ++} ++ ++static inline void yaffs_dec_link_count(struct inode *inode) ++{ ++ inode_dec_link_count(inode); ++} ++#else ++static inline void yaffs_set_nlink(struct inode *inode, unsigned int nlink) ++{ ++ inode->i_nlink = nlink; ++} ++ ++static inline void yaffs_dec_link_count(struct inode *inode) ++{ ++ inode->i_nlink--; ++ mark_inode_dirty(inode) ++} ++#endif ++ + + #define update_dir_time(dir) do {\ + (dir)->i_ctime = (dir)->i_mtime = CURRENT_TIME; \ + } while(0) +- ++ + static void yaffs_put_super(struct super_block *sb); + + static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n, +@@ -238,7 +261,10 @@ static int yaffs_file_flush(struct file + static int yaffs_file_flush(struct file *file); + #endif + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) ++static int yaffs_sync_object(struct file *file, loff_t start, loff_t end, ++ int datasync); ++#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34)) + static int yaffs_sync_object(struct file *file, int datasync); + #else + static int yaffs_sync_object(struct file *file, struct dentry *dentry, +@@ -513,7 +539,7 @@ static unsigned yaffs_gc_control_callbac + { + return yaffs_gc_control; + } +- ++ + static void yaffs_gross_lock(yaffs_dev_t *dev) + { + T(YAFFS_TRACE_LOCK, (TSTR("yaffs locking %p\n"), current)); +@@ -1362,7 +1388,7 @@ static void yaffs_fill_inode_from_obj(st + inode->i_size = yaffs_get_obj_length(obj); + inode->i_blocks = (inode->i_size + 511) >> 9; + +- inode->i_nlink = yaffs_get_obj_link_count(obj); ++ yaffs_set_nlink(inode, yaffs_get_obj_link_count(obj)); + + T(YAFFS_TRACE_OS, + (TSTR("yaffs_fill_inode mode %x uid %d gid %d size %d count %d\n"), +@@ -1810,10 +1836,9 @@ static int yaffs_unlink(struct inode *di + retVal = yaffs_unlinker(obj, dentry->d_name.name); + + if (retVal == YAFFS_OK) { +- dentry->d_inode->i_nlink--; ++ yaffs_dec_link_count(dentry->d_inode); + dir->i_version++; + yaffs_gross_unlock(dev); +- mark_inode_dirty(dentry->d_inode); + update_dir_time(dir); + return 0; + } +@@ -1844,7 +1869,8 @@ static int yaffs_link(struct dentry *old + obj); + + if (link) { +- old_dentry->d_inode->i_nlink = yaffs_get_obj_link_count(obj); ++ yaffs_set_nlink(old_dentry->d_inode, ++ yaffs_get_obj_link_count(obj)); + d_instantiate(dentry, old_dentry->d_inode); + atomic_inc(&old_dentry->d_inode->i_count); + T(YAFFS_TRACE_OS, +@@ -1894,7 +1920,10 @@ static int yaffs_symlink(struct inode *d + return -ENOMEM; + } + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34)) ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) ++static int yaffs_sync_object(struct file *file, loff_t start, loff_t end, ++ int datasync) ++#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34)) + static int yaffs_sync_object(struct file *file, int datasync) + #else + static int yaffs_sync_object(struct file *file, struct dentry *dentry, +@@ -1961,11 +1990,9 @@ static int yaffs_rename(struct inode *ol + yaffs_gross_unlock(dev); + + if (retVal == YAFFS_OK) { +- if (target) { +- new_dentry->d_inode->i_nlink--; +- mark_inode_dirty(new_dentry->d_inode); +- } +- ++ if (target) ++ yaffs_dec_link_count(new_dentry->d_inode); ++ + update_dir_time(old_dir); + if(old_dir != new_dir) + update_dir_time(new_dir); +@@ -1985,7 +2012,7 @@ static int yaffs_setattr(struct dentry * + (TSTR("yaffs_setattr of object %d\n"), + yaffs_InodeToObject(inode)->obj_id)); + +- /* Fail if a requested resize >= 2GB */ ++ /* Fail if a requested resize >= 2GB */ + if (attr->ia_valid & ATTR_SIZE && + (attr->ia_size >> 31)) + error = -EINVAL; +@@ -2216,7 +2243,7 @@ static void yaffs_flush_inodes(struct su + { + struct inode *iptr; + yaffs_obj_t *obj; +- ++ + list_for_each_entry(iptr,&sb->s_inodes, i_sb_list){ + obj = yaffs_InodeToObject(iptr); + if(obj){ +@@ -2230,10 +2257,10 @@ static void yaffs_flush_inodes(struct su + + static void yaffs_flush_super(struct super_block *sb, int do_checkpoint) + { +- yaffs_dev_t *dev = yaffs_SuperToDevice(sb); ++ yaffs_dev_t *dev = yaffs_SuperToDevice(sb); + if(!dev) + return; +- ++ + yaffs_flush_inodes(sb); + yaffs_update_dirty_dirs(dev); + yaffs_flush_whole_cache(dev); +@@ -2301,7 +2328,7 @@ static int yaffs_do_sync_fs(struct super + * yaffs_bg_start() launches the background thread. + * yaffs_bg_stop() cleans up the background thread. + * +- * NB: ++ * NB: + * The thread should only run after the yaffs is initialised + * The thread should be stopped before yaffs is unmounted. + * The thread should not do any writing while the fs is in read only. +@@ -2872,7 +2899,7 @@ static struct super_block *yaffs_interna + + dev = kmalloc(sizeof(yaffs_dev_t), GFP_KERNEL); + context = kmalloc(sizeof(struct yaffs_LinuxContext),GFP_KERNEL); +- ++ + if(!dev || !context ){ + if(dev) + kfree(dev); +@@ -2905,7 +2932,7 @@ static struct super_block *yaffs_interna + #else + sb->u.generic_sbp = dev; + #endif +- ++ + dev->driver_context = mtd; + param->name = mtd->name; + +@@ -3005,7 +3032,7 @@ static struct super_block *yaffs_interna + param->gc_control = yaffs_gc_control_callback; + + yaffs_dev_to_lc(dev)->superBlock= sb; +- ++ + + #ifndef CONFIG_YAFFS_DOES_ECC + param->use_nand_ecc = 1; +@@ -3047,10 +3074,10 @@ static struct super_block *yaffs_interna + T(YAFFS_TRACE_OS, + (TSTR("yaffs_read_super: guts initialised %s\n"), + (err == YAFFS_OK) ? "OK" : "FAILED")); +- ++ + if(err == YAFFS_OK) + yaffs_bg_start(dev); +- ++ + if(!context->bgThread) + param->defered_dir_update = 0; + +@@ -3125,7 +3152,7 @@ static struct dentry *yaffs2_read_super( + void *data) + { + return mount_bdev(fs, flags, dev_name, data, +- yaffs_internal_read_super_mtd); ++ yaffs2_internal_read_super_mtd); + } + + static struct file_system_type yaffs2_fs_type = { +@@ -3223,7 +3250,7 @@ static int yaffs_proc_read(char *page, + buf += sprintf(buf,"\n"); + else { + step-=2; +- ++ + down(&yaffs_context_lock); + + /* Locate and print the Nth entry. Order N-squared but N is small. */ +@@ -3240,7 +3267,7 @@ static int yaffs_proc_read(char *page, + buf = yaffs_dump_dev_part0(buf, dev); + } else + buf = yaffs_dump_dev_part1(buf, dev); +- ++ + break; + } + up(&yaffs_context_lock); +@@ -3267,7 +3294,7 @@ static int yaffs_stats_proc_read(char *p + int erasedChunks; + + erasedChunks = dev->n_erased_blocks * dev->param.chunks_per_block; +- ++ + buf += sprintf(buf,"%d, %d, %d, %u, %u, %u, %u\n", + n, dev->n_free_chunks, erasedChunks, + dev->bg_gcs, dev->oldest_dirty_gc_count, +--- a/fs/yaffs2/yaffs_mtdif1.c ++++ b/fs/yaffs2/yaffs_mtdif1.c +@@ -34,6 +34,7 @@ + #include "linux/version.h" + #include "linux/types.h" + #include "linux/mtd/mtd.h" ++#include "mtd/mtd-abi.h" + + /* Don't compile this module if we don't have MTD's mtd_oob_ops interface */ + #if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) +@@ -127,7 +128,7 @@ int nandmtd1_WriteChunkWithTagsToNAND(ya + #endif + + memset(&ops, 0, sizeof(ops)); +- ops.mode = MTD_OOB_AUTO; ++ ops.mode = MTD_OPS_AUTO_OOB; + ops.len = (data) ? chunkBytes : 0; + ops.ooblen = YTAG1_SIZE; + ops.datbuf = (__u8 *)data; +@@ -179,7 +180,7 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y + int deleted; + + memset(&ops, 0, sizeof(ops)); +- ops.mode = MTD_OOB_AUTO; ++ ops.mode = MTD_OPS_AUTO_OOB; + ops.len = (data) ? chunkBytes : 0; + ops.ooblen = YTAG1_SIZE; + ops.datbuf = data; +--- a/fs/yaffs2/yaffs_mtdif2.c ++++ b/fs/yaffs2/yaffs_mtdif2.c +@@ -21,6 +21,7 @@ + #include "linux/mtd/mtd.h" + #include "linux/types.h" + #include "linux/time.h" ++#include "mtd/mtd-abi.h" + + #include "yaffs_packedtags2.h" + +@@ -71,7 +72,7 @@ int nandmtd2_WriteChunkWithTagsToNAND(ya + yaffs_PackTags2(&pt, tags, !dev->param.no_tags_ecc); + + #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) +- ops.mode = MTD_OOB_AUTO; ++ ops.mode = MTD_OPS_AUTO_OOB; + ops.ooblen = (dev->param.inband_tags) ? 0 : packed_tags_size; + ops.len = dev->param.total_bytes_per_chunk; + ops.ooboffs = 0; +@@ -136,7 +137,7 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y + retval = mtd->read(mtd, addr, dev->param.total_bytes_per_chunk, + &dummy, data); + else if (tags) { +- ops.mode = MTD_OOB_AUTO; ++ ops.mode = MTD_OPS_AUTO_OOB; + ops.ooblen = packed_tags_size; + ops.len = data ? dev->data_bytes_per_chunk : packed_tags_size; + ops.ooboffs = 0; diff --git a/target/linux/generic/patches-3.6/507-yaffs2-3.3_fix.patch b/target/linux/generic/patches-3.6/507-yaffs2-3.3_fix.patch new file mode 100644 index 0000000000..a269dc2567 --- /dev/null +++ b/target/linux/generic/patches-3.6/507-yaffs2-3.3_fix.patch @@ -0,0 +1,71 @@ +--- a/fs/yaffs2/yaffs_vfs_glue.c ++++ b/fs/yaffs2/yaffs_vfs_glue.c +@@ -274,8 +274,13 @@ static int yaffs_sync_object(struct file + static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir); + + #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) ++static int yaffs_create(struct inode *dir, struct dentry *dentry, umode_t mode, ++ struct nameidata *n); ++#else + static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode, + struct nameidata *n); ++#endif + static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry, + struct nameidata *n); + #else +@@ -287,9 +292,17 @@ static int yaffs_link(struct dentry *old + static int yaffs_unlink(struct inode *dir, struct dentry *dentry); + static int yaffs_symlink(struct inode *dir, struct dentry *dentry, + const char *symname); ++ ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) ++static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode); ++#else + static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode); ++#endif + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) ++static int yaffs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, ++ dev_t dev); ++#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, + dev_t dev); + #else +@@ -1708,7 +1721,10 @@ out: + #define YCRED(x) (x->cred) + #endif + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) ++static int yaffs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, ++ dev_t rdev) ++#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, + dev_t rdev) + #else +@@ -1798,7 +1814,11 @@ static int yaffs_mknod(struct inode *dir + return error; + } + ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) ++static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) ++#else + static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode) ++#endif + { + int retVal; + T(YAFFS_TRACE_OS, (TSTR("yaffs_mkdir\n"))); +@@ -1806,7 +1826,10 @@ static int yaffs_mkdir(struct inode *dir + return retVal; + } + +-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) ++static int yaffs_create(struct inode *dir, struct dentry *dentry, umode_t mode, ++ struct nameidata *n) ++#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode, + struct nameidata *n) + #else diff --git a/target/linux/generic/patches-3.6/510-jffs2_make_lzma_available.patch b/target/linux/generic/patches-3.6/510-jffs2_make_lzma_available.patch new file mode 100644 index 0000000000..2d4c3fc6e3 --- /dev/null +++ b/target/linux/generic/patches-3.6/510-jffs2_make_lzma_available.patch @@ -0,0 +1,5142 @@ +--- a/fs/jffs2/Kconfig ++++ b/fs/jffs2/Kconfig +@@ -139,6 +139,15 @@ config JFFS2_LZO + This feature was added in July, 2007. Say 'N' if you need + compatibility with older bootloaders or kernels. + ++config JFFS2_LZMA ++ bool "JFFS2 LZMA compression support" if JFFS2_COMPRESSION_OPTIONS ++ select LZMA_COMPRESS ++ select LZMA_DECOMPRESS ++ depends on JFFS2_FS ++ default n ++ help ++ JFFS2 wrapper to the LZMA C SDK ++ + config JFFS2_RTIME + bool "JFFS2 RTIME compression support" if JFFS2_COMPRESSION_OPTIONS + depends on JFFS2_FS +--- a/fs/jffs2/Makefile ++++ b/fs/jffs2/Makefile +@@ -18,4 +18,7 @@ jffs2-$(CONFIG_JFFS2_RUBIN) += compr_rub + jffs2-$(CONFIG_JFFS2_RTIME) += compr_rtime.o + jffs2-$(CONFIG_JFFS2_ZLIB) += compr_zlib.o + jffs2-$(CONFIG_JFFS2_LZO) += compr_lzo.o ++jffs2-$(CONFIG_JFFS2_LZMA) += compr_lzma.o + jffs2-$(CONFIG_JFFS2_SUMMARY) += summary.o ++ ++CFLAGS_compr_lzma.o += -Iinclude/linux -Ilib/lzma +--- a/fs/jffs2/compr.c ++++ b/fs/jffs2/compr.c +@@ -374,6 +374,9 @@ int __init jffs2_compressors_init(void) + #ifdef CONFIG_JFFS2_LZO + jffs2_lzo_init(); + #endif ++#ifdef CONFIG_JFFS2_LZMA ++ jffs2_lzma_init(); ++#endif + /* Setting default compression mode */ + #ifdef CONFIG_JFFS2_CMODE_NONE + jffs2_compression_mode = JFFS2_COMPR_MODE_NONE; +@@ -397,6 +400,9 @@ int __init jffs2_compressors_init(void) + int jffs2_compressors_exit(void) + { + /* Unregistering compressors */ ++#ifdef CONFIG_JFFS2_LZMA ++ jffs2_lzma_exit(); ++#endif + #ifdef CONFIG_JFFS2_LZO + jffs2_lzo_exit(); + #endif +--- a/fs/jffs2/compr.h ++++ b/fs/jffs2/compr.h +@@ -29,9 +29,9 @@ + #define JFFS2_DYNRUBIN_PRIORITY 20 + #define JFFS2_LZARI_PRIORITY 30 + #define JFFS2_RTIME_PRIORITY 50 +-#define JFFS2_ZLIB_PRIORITY 60 +-#define JFFS2_LZO_PRIORITY 80 +- ++#define JFFS2_LZMA_PRIORITY 70 ++#define JFFS2_ZLIB_PRIORITY 80 ++#define JFFS2_LZO_PRIORITY 90 + + #define JFFS2_RUBINMIPS_DISABLED /* RUBINs will be used only */ + #define JFFS2_DYNRUBIN_DISABLED /* for decompression */ +@@ -101,5 +101,9 @@ void jffs2_zlib_exit(void); + int jffs2_lzo_init(void); + void jffs2_lzo_exit(void); + #endif ++#ifdef CONFIG_JFFS2_LZMA ++int jffs2_lzma_init(void); ++void jffs2_lzma_exit(void); ++#endif + + #endif /* __JFFS2_COMPR_H__ */ +--- /dev/null ++++ b/fs/jffs2/compr_lzma.c +@@ -0,0 +1,128 @@ ++/* ++ * JFFS2 -- Journalling Flash File System, Version 2. ++ * ++ * For licensing information, see the file 'LICENCE' in this directory. ++ * ++ * JFFS2 wrapper to the LZMA C SDK ++ * ++ */ ++ ++#include <linux/lzma.h> ++#include "compr.h" ++ ++#ifdef __KERNEL__ ++ static DEFINE_MUTEX(deflate_mutex); ++#endif ++ ++CLzmaEncHandle *p; ++Byte propsEncoded[LZMA_PROPS_SIZE]; ++SizeT propsSize = sizeof(propsEncoded); ++ ++STATIC void lzma_free_workspace(void) ++{ ++ LzmaEnc_Destroy(p, &lzma_alloc, &lzma_alloc); ++} ++ ++STATIC int INIT lzma_alloc_workspace(CLzmaEncProps *props) ++{ ++ if ((p = (CLzmaEncHandle *)LzmaEnc_Create(&lzma_alloc)) == NULL) ++ { ++ PRINT_ERROR("Failed to allocate lzma deflate workspace\n"); ++ return -ENOMEM; ++ } ++ ++ if (LzmaEnc_SetProps(p, props) != SZ_OK) ++ { ++ lzma_free_workspace(); ++ return -1; ++ } ++ ++ if (LzmaEnc_WriteProperties(p, propsEncoded, &propsSize) != SZ_OK) ++ { ++ lzma_free_workspace(); ++ return -1; ++ } ++ ++ return 0; ++} ++ ++STATIC int jffs2_lzma_compress(unsigned char *data_in, unsigned char *cpage_out, ++ uint32_t *sourcelen, uint32_t *dstlen) ++{ ++ SizeT compress_size = (SizeT)(*dstlen); ++ int ret; ++ ++ #ifdef __KERNEL__ ++ mutex_lock(&deflate_mutex); ++ #endif ++ ++ ret = LzmaEnc_MemEncode(p, cpage_out, &compress_size, data_in, *sourcelen, ++ 0, NULL, &lzma_alloc, &lzma_alloc); ++ ++ #ifdef __KERNEL__ ++ mutex_unlock(&deflate_mutex); ++ #endif ++ ++ if (ret != SZ_OK) ++ return -1; ++ ++ *dstlen = (uint32_t)compress_size; ++ ++ return 0; ++} ++ ++STATIC int jffs2_lzma_decompress(unsigned char *data_in, unsigned char *cpage_out, ++ uint32_t srclen, uint32_t destlen) ++{ ++ int ret; ++ SizeT dl = (SizeT)destlen; ++ SizeT sl = (SizeT)srclen; ++ ELzmaStatus status; ++ ++ ret = LzmaDecode(cpage_out, &dl, data_in, &sl, propsEncoded, ++ propsSize, LZMA_FINISH_ANY, &status, &lzma_alloc); ++ ++ if (ret != SZ_OK || status == LZMA_STATUS_NOT_FINISHED || dl != (SizeT)destlen) ++ return -1; ++ ++ return 0; ++} ++ ++static struct jffs2_compressor jffs2_lzma_comp = { ++ .priority = JFFS2_LZMA_PRIORITY, ++ .name = "lzma", ++ .compr = JFFS2_COMPR_LZMA, ++ .compress = &jffs2_lzma_compress, ++ .decompress = &jffs2_lzma_decompress, ++ .disabled = 0, ++}; ++ ++int INIT jffs2_lzma_init(void) ++{ ++ int ret; ++ CLzmaEncProps props; ++ LzmaEncProps_Init(&props); ++ ++ props.dictSize = LZMA_BEST_DICT(0x2000); ++ props.level = LZMA_BEST_LEVEL; ++ props.lc = LZMA_BEST_LC; ++ props.lp = LZMA_BEST_LP; ++ props.pb = LZMA_BEST_PB; ++ props.fb = LZMA_BEST_FB; ++ ++ ret = lzma_alloc_workspace(&props); ++ if (ret < 0) ++ return ret; ++ ++ ret = jffs2_register_compressor(&jffs2_lzma_comp); ++ if (ret) ++ lzma_free_workspace(); ++ ++ return ret; ++} ++ ++void jffs2_lzma_exit(void) ++{ ++ jffs2_unregister_compressor(&jffs2_lzma_comp); ++ lzma_free_workspace(); ++} +--- a/fs/jffs2/super.c ++++ b/fs/jffs2/super.c +@@ -371,14 +371,41 @@ static int __init init_jffs2_fs(void) + BUILD_BUG_ON(sizeof(struct jffs2_raw_inode) != 68); + BUILD_BUG_ON(sizeof(struct jffs2_raw_summary) != 32); + +- pr_info("version 2.2." ++ pr_info("version 2.2" + #ifdef CONFIG_JFFS2_FS_WRITEBUFFER + " (NAND)" + #endif + #ifdef CONFIG_JFFS2_SUMMARY +- " (SUMMARY) " ++ " (SUMMARY)" + #endif +- " © 2001-2006 Red Hat, Inc.\n"); ++#ifdef CONFIG_JFFS2_ZLIB ++ " (ZLIB)" ++#endif ++#ifdef CONFIG_JFFS2_LZO ++ " (LZO)" ++#endif ++#ifdef CONFIG_JFFS2_LZMA ++ " (LZMA)" ++#endif ++#ifdef CONFIG_JFFS2_RTIME ++ " (RTIME)" ++#endif ++#ifdef CONFIG_JFFS2_RUBIN ++ " (RUBIN)" ++#endif ++#ifdef CONFIG_JFFS2_CMODE_NONE ++ " (CMODE_NONE)" ++#endif ++#ifdef CONFIG_JFFS2_CMODE_PRIORITY ++ " (CMODE_PRIORITY)" ++#endif ++#ifdef CONFIG_JFFS2_CMODE_SIZE ++ " (CMODE_SIZE)" ++#endif ++#ifdef CONFIG_JFFS2_CMODE_FAVOURLZO ++ " (CMODE_FAVOURLZO)" ++#endif ++ " (c) 2001-2006 Red Hat, Inc.\n"); + + jffs2_inode_cachep = kmem_cache_create("jffs2_i", + sizeof(struct jffs2_inode_info), +--- a/include/linux/jffs2.h ++++ b/include/linux/jffs2.h +@@ -46,6 +46,7 @@ + #define JFFS2_COMPR_DYNRUBIN 0x05 + #define JFFS2_COMPR_ZLIB 0x06 + #define JFFS2_COMPR_LZO 0x07 ++#define JFFS2_COMPR_LZMA 0x08 + /* Compatibility flags. */ + #define JFFS2_COMPAT_MASK 0xc000 /* What do to if an unknown nodetype is found */ + #define JFFS2_NODE_ACCURATE 0x2000 +--- /dev/null ++++ b/include/linux/lzma.h +@@ -0,0 +1,62 @@ ++#ifndef __LZMA_H__ ++#define __LZMA_H__ ++ ++#ifdef __KERNEL__ ++ #include <linux/kernel.h> ++ #include <linux/sched.h> ++ #include <linux/slab.h> ++ #include <linux/vmalloc.h> ++ #include <linux/init.h> ++ #define LZMA_MALLOC vmalloc ++ #define LZMA_FREE vfree ++ #define PRINT_ERROR(msg) printk(KERN_WARNING #msg) ++ #define INIT __init ++ #define STATIC static ++#else ++ #include <stdint.h> ++ #include <stdlib.h> ++ #include <stdio.h> ++ #include <unistd.h> ++ #include <string.h> ++ #include <asm/types.h> ++ #include <errno.h> ++ #include <linux/jffs2.h> ++ #ifndef PAGE_SIZE ++ extern int page_size; ++ #define PAGE_SIZE page_size ++ #endif ++ #define LZMA_MALLOC malloc ++ #define LZMA_FREE free ++ #define PRINT_ERROR(msg) fprintf(stderr, msg) ++ #define INIT ++ #define STATIC ++#endif ++ ++#include "lzma/LzmaDec.h" ++#include "lzma/LzmaEnc.h" ++ ++#define LZMA_BEST_LEVEL (9) ++#define LZMA_BEST_LC (0) ++#define LZMA_BEST_LP (0) ++#define LZMA_BEST_PB (0) ++#define LZMA_BEST_FB (273) ++ ++#define LZMA_BEST_DICT(n) (((int)((n) / 2)) * 2) ++ ++static void *p_lzma_malloc(void *p, size_t size) ++{ ++ if (size == 0) ++ return NULL; ++ ++ return LZMA_MALLOC(size); ++} ++ ++static void p_lzma_free(void *p, void *address) ++{ ++ if (address != NULL) ++ LZMA_FREE(address); ++} ++ ++static ISzAlloc lzma_alloc = {p_lzma_malloc, p_lzma_free}; ++ ++#endif +--- /dev/null ++++ b/include/linux/lzma/LzFind.h +@@ -0,0 +1,115 @@ ++/* LzFind.h -- Match finder for LZ algorithms ++2009-04-22 : Igor Pavlov : Public domain */ ++ ++#ifndef __LZ_FIND_H ++#define __LZ_FIND_H ++ ++#include "Types.h" ++ ++#ifdef __cplusplus ++extern "C" { ++#endif ++ ++typedef UInt32 CLzRef; ++ ++typedef struct _CMatchFinder ++{ ++ Byte *buffer; ++ UInt32 pos; ++ UInt32 posLimit; ++ UInt32 streamPos; ++ UInt32 lenLimit; ++ ++ UInt32 cyclicBufferPos; ++ UInt32 cyclicBufferSize; /* it must be = (historySize + 1) */ ++ ++ UInt32 matchMaxLen; ++ CLzRef *hash; ++ CLzRef *son; ++ UInt32 hashMask; ++ UInt32 cutValue; ++ ++ Byte *bufferBase; ++ ISeqInStream *stream; ++ int streamEndWasReached; ++ ++ UInt32 blockSize; ++ UInt32 keepSizeBefore; ++ UInt32 keepSizeAfter; ++ ++ UInt32 numHashBytes; ++ int directInput; ++ size_t directInputRem; ++ int btMode; ++ int bigHash; ++ UInt32 historySize; ++ UInt32 fixedHashSize; ++ UInt32 hashSizeSum; ++ UInt32 numSons; ++ SRes result; ++ UInt32 crc[256]; ++} CMatchFinder; ++ ++#define Inline_MatchFinder_GetPointerToCurrentPos(p) ((p)->buffer) ++#define Inline_MatchFinder_GetIndexByte(p, index) ((p)->buffer[(Int32)(index)]) ++ ++#define Inline_MatchFinder_GetNumAvailableBytes(p) ((p)->streamPos - (p)->pos) ++ ++int MatchFinder_NeedMove(CMatchFinder *p); ++Byte *MatchFinder_GetPointerToCurrentPos(CMatchFinder *p); ++void MatchFinder_MoveBlock(CMatchFinder *p); ++void MatchFinder_ReadIfRequired(CMatchFinder *p); ++ ++void MatchFinder_Construct(CMatchFinder *p); ++ ++/* Conditions: ++ historySize <= 3 GB ++ keepAddBufferBefore + matchMaxLen + keepAddBufferAfter < 511MB ++*/ ++int MatchFinder_Create(CMatchFinder *p, UInt32 historySize, ++ UInt32 keepAddBufferBefore, UInt32 matchMaxLen, UInt32 keepAddBufferAfter, ++ ISzAlloc *alloc); ++void MatchFinder_Free(CMatchFinder *p, ISzAlloc *alloc); ++void MatchFinder_Normalize3(UInt32 subValue, CLzRef *items, UInt32 numItems); ++void MatchFinder_ReduceOffsets(CMatchFinder *p, UInt32 subValue); ++ ++UInt32 * GetMatchesSpec1(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *buffer, CLzRef *son, ++ UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 _cutValue, ++ UInt32 *distances, UInt32 maxLen); ++ ++/* ++Conditions: ++ Mf_GetNumAvailableBytes_Func must be called before each Mf_GetMatchLen_Func. ++ Mf_GetPointerToCurrentPos_Func's result must be used only before any other function ++*/ ++ ++typedef void (*Mf_Init_Func)(void *object); ++typedef Byte (*Mf_GetIndexByte_Func)(void *object, Int32 index); ++typedef UInt32 (*Mf_GetNumAvailableBytes_Func)(void *object); ++typedef const Byte * (*Mf_GetPointerToCurrentPos_Func)(void *object); ++typedef UInt32 (*Mf_GetMatches_Func)(void *object, UInt32 *distances); ++typedef void (*Mf_Skip_Func)(void *object, UInt32); ++ ++typedef struct _IMatchFinder ++{ ++ Mf_Init_Func Init; ++ Mf_GetIndexByte_Func GetIndexByte; ++ Mf_GetNumAvailableBytes_Func GetNumAvailableBytes; ++ Mf_GetPointerToCurrentPos_Func GetPointerToCurrentPos; ++ Mf_GetMatches_Func GetMatches; ++ Mf_Skip_Func Skip; ++} IMatchFinder; ++ ++void MatchFinder_CreateVTable(CMatchFinder *p, IMatchFinder *vTable); ++ ++void MatchFinder_Init(CMatchFinder *p); ++UInt32 Bt3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances); ++UInt32 Hc3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances); ++void Bt3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num); ++void Hc3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num); ++ ++#ifdef __cplusplus ++} ++#endif ++ ++#endif +--- /dev/null ++++ b/include/linux/lzma/LzHash.h +@@ -0,0 +1,54 @@ ++/* LzHash.h -- HASH functions for LZ algorithms ++2009-02-07 : Igor Pavlov : Public domain */ ++ ++#ifndef __LZ_HASH_H ++#define __LZ_HASH_H ++ ++#define kHash2Size (1 << 10) ++#define kHash3Size (1 << 16) ++#define kHash4Size (1 << 20) ++ ++#define kFix3HashSize (kHash2Size) ++#define kFix4HashSize (kHash2Size + kHash3Size) ++#define kFix5HashSize (kHash2Size + kHash3Size + kHash4Size) ++ ++#define HASH2_CALC hashValue = cur[0] | ((UInt32)cur[1] << 8); ++ ++#define HASH3_CALC { \ ++ UInt32 temp = p->crc[cur[0]] ^ cur[1]; \ ++ hash2Value = temp & (kHash2Size - 1); \ ++ hashValue = (temp ^ ((UInt32)cur[2] << 8)) & p->hashMask; } ++ ++#define HASH4_CALC { \ ++ UInt32 temp = p->crc[cur[0]] ^ cur[1]; \ ++ hash2Value = temp & (kHash2Size - 1); \ ++ hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); \ ++ hashValue = (temp ^ ((UInt32)cur[2] << 8) ^ (p->crc[cur[3]] << 5)) & p->hashMask; } ++ ++#define HASH5_CALC { \ ++ UInt32 temp = p->crc[cur[0]] ^ cur[1]; \ ++ hash2Value = temp & (kHash2Size - 1); \ ++ hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); \ ++ hash4Value = (temp ^ ((UInt32)cur[2] << 8) ^ (p->crc[cur[3]] << 5)); \ ++ hashValue = (hash4Value ^ (p->crc[cur[4]] << 3)) & p->hashMask; \ ++ hash4Value &= (kHash4Size - 1); } ++ ++/* #define HASH_ZIP_CALC hashValue = ((cur[0] | ((UInt32)cur[1] << 8)) ^ p->crc[cur[2]]) & 0xFFFF; */ ++#define HASH_ZIP_CALC hashValue = ((cur[2] | ((UInt32)cur[0] << 8)) ^ p->crc[cur[1]]) & 0xFFFF; ++ ++ ++#define MT_HASH2_CALC \ ++ hash2Value = (p->crc[cur[0]] ^ cur[1]) & (kHash2Size - 1); ++ ++#define MT_HASH3_CALC { \ ++ UInt32 temp = p->crc[cur[0]] ^ cur[1]; \ ++ hash2Value = temp & (kHash2Size - 1); \ ++ hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); } ++ ++#define MT_HASH4_CALC { \ ++ UInt32 temp = p->crc[cur[0]] ^ cur[1]; \ ++ hash2Value = temp & (kHash2Size - 1); \ ++ hash3Value = (temp ^ ((UInt32)cur[2] << 8)) & (kHash3Size - 1); \ ++ hash4Value = (temp ^ ((UInt32)cur[2] << 8) ^ (p->crc[cur[3]] << 5)) & (kHash4Size - 1); } ++ ++#endif +--- /dev/null ++++ b/include/linux/lzma/LzmaDec.h +@@ -0,0 +1,231 @@ ++/* LzmaDec.h -- LZMA Decoder ++2009-02-07 : Igor Pavlov : Public domain */ ++ ++#ifndef __LZMA_DEC_H ++#define __LZMA_DEC_H ++ ++#include "Types.h" ++ ++#ifdef __cplusplus ++extern "C" { ++#endif ++ ++/* #define _LZMA_PROB32 */ ++/* _LZMA_PROB32 can increase the speed on some CPUs, ++ but memory usage for CLzmaDec::probs will be doubled in that case */ ++ ++#ifdef _LZMA_PROB32 ++#define CLzmaProb UInt32 ++#else ++#define CLzmaProb UInt16 ++#endif ++ ++ ++/* ---------- LZMA Properties ---------- */ ++ ++#define LZMA_PROPS_SIZE 5 ++ ++typedef struct _CLzmaProps ++{ ++ unsigned lc, lp, pb; ++ UInt32 dicSize; ++} CLzmaProps; ++ ++/* LzmaProps_Decode - decodes properties ++Returns: ++ SZ_OK ++ SZ_ERROR_UNSUPPORTED - Unsupported properties ++*/ ++ ++SRes LzmaProps_Decode(CLzmaProps *p, const Byte *data, unsigned size); ++ ++ ++/* ---------- LZMA Decoder state ---------- */ ++ ++/* LZMA_REQUIRED_INPUT_MAX = number of required input bytes for worst case. ++ Num bits = log2((2^11 / 31) ^ 22) + 26 < 134 + 26 = 160; */ ++ ++#define LZMA_REQUIRED_INPUT_MAX 20 ++ ++typedef struct ++{ ++ CLzmaProps prop; ++ CLzmaProb *probs; ++ Byte *dic; ++ const Byte *buf; ++ UInt32 range, code; ++ SizeT dicPos; ++ SizeT dicBufSize; ++ UInt32 processedPos; ++ UInt32 checkDicSize; ++ unsigned state; ++ UInt32 reps[4]; ++ unsigned remainLen; ++ int needFlush; ++ int needInitState; ++ UInt32 numProbs; ++ unsigned tempBufSize; ++ Byte tempBuf[LZMA_REQUIRED_INPUT_MAX]; ++} CLzmaDec; ++ ++#define LzmaDec_Construct(p) { (p)->dic = 0; (p)->probs = 0; } ++ ++void LzmaDec_Init(CLzmaDec *p); ++ ++/* There are two types of LZMA streams: ++ 0) Stream with end mark. That end mark adds about 6 bytes to compressed size. ++ 1) Stream without end mark. You must know exact uncompressed size to decompress such stream. */ ++ ++typedef enum ++{ ++ LZMA_FINISH_ANY, /* finish at any point */ ++ LZMA_FINISH_END /* block must be finished at the end */ ++} ELzmaFinishMode; ++ ++/* ELzmaFinishMode has meaning only if the decoding reaches output limit !!! ++ ++ You must use LZMA_FINISH_END, when you know that current output buffer ++ covers last bytes of block. In other cases you must use LZMA_FINISH_ANY. ++ ++ If LZMA decoder sees end marker before reaching output limit, it returns SZ_OK, ++ and output value of destLen will be less than output buffer size limit. ++ You can check status result also. ++ ++ You can use multiple checks to test data integrity after full decompression: ++ 1) Check Result and "status" variable. ++ 2) Check that output(destLen) = uncompressedSize, if you know real uncompressedSize. ++ 3) Check that output(srcLen) = compressedSize, if you know real compressedSize. ++ You must use correct finish mode in that case. */ ++ ++typedef enum ++{ ++ LZMA_STATUS_NOT_SPECIFIED, /* use main error code instead */ ++ LZMA_STATUS_FINISHED_WITH_MARK, /* stream was finished with end mark. */ ++ LZMA_STATUS_NOT_FINISHED, /* stream was not finished */ ++ LZMA_STATUS_NEEDS_MORE_INPUT, /* you must provide more input bytes */ ++ LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK /* there is probability that stream was finished without end mark */ ++} ELzmaStatus; ++ ++/* ELzmaStatus is used only as output value for function call */ ++ ++ ++/* ---------- Interfaces ---------- */ ++ ++/* There are 3 levels of interfaces: ++ 1) Dictionary Interface ++ 2) Buffer Interface ++ 3) One Call Interface ++ You can select any of these interfaces, but don't mix functions from different ++ groups for same object. */ ++ ++ ++/* There are two variants to allocate state for Dictionary Interface: ++ 1) LzmaDec_Allocate / LzmaDec_Free ++ 2) LzmaDec_AllocateProbs / LzmaDec_FreeProbs ++ You can use variant 2, if you set dictionary buffer manually. ++ For Buffer Interface you must always use variant 1. ++ ++LzmaDec_Allocate* can return: ++ SZ_OK ++ SZ_ERROR_MEM - Memory allocation error ++ SZ_ERROR_UNSUPPORTED - Unsupported properties ++*/ ++ ++SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc); ++void LzmaDec_FreeProbs(CLzmaDec *p, ISzAlloc *alloc); ++ ++SRes LzmaDec_Allocate(CLzmaDec *state, const Byte *prop, unsigned propsSize, ISzAlloc *alloc); ++void LzmaDec_Free(CLzmaDec *state, ISzAlloc *alloc); ++ ++/* ---------- Dictionary Interface ---------- */ ++ ++/* You can use it, if you want to eliminate the overhead for data copying from ++ dictionary to some other external buffer. ++ You must work with CLzmaDec variables directly in this interface. ++ ++ STEPS: ++ LzmaDec_Constr() ++ LzmaDec_Allocate() ++ for (each new stream) ++ { ++ LzmaDec_Init() ++ while (it needs more decompression) ++ { ++ LzmaDec_DecodeToDic() ++ use data from CLzmaDec::dic and update CLzmaDec::dicPos ++ } ++ } ++ LzmaDec_Free() ++*/ ++ ++/* LzmaDec_DecodeToDic ++ ++ The decoding to internal dictionary buffer (CLzmaDec::dic). ++ You must manually update CLzmaDec::dicPos, if it reaches CLzmaDec::dicBufSize !!! ++ ++finishMode: ++ It has meaning only if the decoding reaches output limit (dicLimit). ++ LZMA_FINISH_ANY - Decode just dicLimit bytes. ++ LZMA_FINISH_END - Stream must be finished after dicLimit. ++ ++Returns: ++ SZ_OK ++ status: ++ LZMA_STATUS_FINISHED_WITH_MARK ++ LZMA_STATUS_NOT_FINISHED ++ LZMA_STATUS_NEEDS_MORE_INPUT ++ LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK ++ SZ_ERROR_DATA - Data error ++*/ ++ ++SRes LzmaDec_DecodeToDic(CLzmaDec *p, SizeT dicLimit, ++ const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status); ++ ++ ++/* ---------- Buffer Interface ---------- */ ++ ++/* It's zlib-like interface. ++ See LzmaDec_DecodeToDic description for information about STEPS and return results, ++ but you must use LzmaDec_DecodeToBuf instead of LzmaDec_DecodeToDic and you don't need ++ to work with CLzmaDec variables manually. ++ ++finishMode: ++ It has meaning only if the decoding reaches output limit (*destLen). ++ LZMA_FINISH_ANY - Decode just destLen bytes. ++ LZMA_FINISH_END - Stream must be finished after (*destLen). ++*/ ++ ++SRes LzmaDec_DecodeToBuf(CLzmaDec *p, Byte *dest, SizeT *destLen, ++ const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status); ++ ++ ++/* ---------- One Call Interface ---------- */ ++ ++/* LzmaDecode ++ ++finishMode: ++ It has meaning only if the decoding reaches output limit (*destLen). ++ LZMA_FINISH_ANY - Decode just destLen bytes. ++ LZMA_FINISH_END - Stream must be finished after (*destLen). ++ ++Returns: ++ SZ_OK ++ status: ++ LZMA_STATUS_FINISHED_WITH_MARK ++ LZMA_STATUS_NOT_FINISHED ++ LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK ++ SZ_ERROR_DATA - Data error ++ SZ_ERROR_MEM - Memory allocation error ++ SZ_ERROR_UNSUPPORTED - Unsupported properties ++ SZ_ERROR_INPUT_EOF - It needs more bytes in input buffer (src). ++*/ ++ ++SRes LzmaDecode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, ++ const Byte *propData, unsigned propSize, ELzmaFinishMode finishMode, ++ ELzmaStatus *status, ISzAlloc *alloc); ++ ++#ifdef __cplusplus ++} ++#endif ++ ++#endif +--- /dev/null ++++ b/include/linux/lzma/LzmaEnc.h +@@ -0,0 +1,80 @@ ++/* LzmaEnc.h -- LZMA Encoder ++2009-02-07 : Igor Pavlov : Public domain */ ++ ++#ifndef __LZMA_ENC_H ++#define __LZMA_ENC_H ++ ++#include "Types.h" ++ ++#ifdef __cplusplus ++extern "C" { ++#endif ++ ++#define LZMA_PROPS_SIZE 5 ++ ++typedef struct _CLzmaEncProps ++{ ++ int level; /* 0 <= level <= 9 */ ++ UInt32 dictSize; /* (1 << 12) <= dictSize <= (1 << 27) for 32-bit version ++ (1 << 12) <= dictSize <= (1 << 30) for 64-bit version ++ default = (1 << 24) */ ++ int lc; /* 0 <= lc <= 8, default = 3 */ ++ int lp; /* 0 <= lp <= 4, default = 0 */ ++ int pb; /* 0 <= pb <= 4, default = 2 */ ++ int algo; /* 0 - fast, 1 - normal, default = 1 */ ++ int fb; /* 5 <= fb <= 273, default = 32 */ ++ int btMode; /* 0 - hashChain Mode, 1 - binTree mode - normal, default = 1 */ ++ int numHashBytes; /* 2, 3 or 4, default = 4 */ ++ UInt32 mc; /* 1 <= mc <= (1 << 30), default = 32 */ ++ unsigned writeEndMark; /* 0 - do not write EOPM, 1 - write EOPM, default = 0 */ ++ int numThreads; /* 1 or 2, default = 2 */ ++} CLzmaEncProps; ++ ++void LzmaEncProps_Init(CLzmaEncProps *p); ++void LzmaEncProps_Normalize(CLzmaEncProps *p); ++UInt32 LzmaEncProps_GetDictSize(const CLzmaEncProps *props2); ++ ++ ++/* ---------- CLzmaEncHandle Interface ---------- */ ++ ++/* LzmaEnc_* functions can return the following exit codes: ++Returns: ++ SZ_OK - OK ++ SZ_ERROR_MEM - Memory allocation error ++ SZ_ERROR_PARAM - Incorrect paramater in props ++ SZ_ERROR_WRITE - Write callback error. ++ SZ_ERROR_PROGRESS - some break from progress callback ++ SZ_ERROR_THREAD - errors in multithreading functions (only for Mt version) ++*/ ++ ++typedef void * CLzmaEncHandle; ++ ++CLzmaEncHandle LzmaEnc_Create(ISzAlloc *alloc); ++void LzmaEnc_Destroy(CLzmaEncHandle p, ISzAlloc *alloc, ISzAlloc *allocBig); ++SRes LzmaEnc_SetProps(CLzmaEncHandle p, const CLzmaEncProps *props); ++SRes LzmaEnc_WriteProperties(CLzmaEncHandle p, Byte *properties, SizeT *size); ++SRes LzmaEnc_Encode(CLzmaEncHandle p, ISeqOutStream *outStream, ISeqInStream *inStream, ++ ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig); ++SRes LzmaEnc_MemEncode(CLzmaEncHandle p, Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen, ++ int writeEndMark, ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig); ++ ++/* ---------- One Call Interface ---------- */ ++ ++/* LzmaEncode ++Return code: ++ SZ_OK - OK ++ SZ_ERROR_MEM - Memory allocation error ++ SZ_ERROR_PARAM - Incorrect paramater ++ SZ_ERROR_OUTPUT_EOF - output buffer overflow ++ SZ_ERROR_THREAD - errors in multithreading functions (only for Mt version) ++*/ ++ ++SRes LzmaEncode(Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen, ++ const CLzmaEncProps *props, Byte *propsEncoded, SizeT *propsSize, int writeEndMark, ++ ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig); ++ ++#ifdef __cplusplus ++} ++#endif ++ ++#endif +--- /dev/null ++++ b/include/linux/lzma/Types.h +@@ -0,0 +1,226 @@ ++/* Types.h -- Basic types ++2009-11-23 : Igor Pavlov : Public domain */ ++ ++#ifndef __7Z_TYPES_H ++#define __7Z_TYPES_H ++ ++#include <stddef.h> ++ ++#ifdef _WIN32 ++#include <windows.h> ++#endif ++ ++#ifndef EXTERN_C_BEGIN ++#ifdef __cplusplus ++#define EXTERN_C_BEGIN extern "C" { ++#define EXTERN_C_END } ++#else ++#define EXTERN_C_BEGIN ++#define EXTERN_C_END ++#endif ++#endif ++ ++EXTERN_C_BEGIN ++ ++#define SZ_OK 0 ++ ++#define SZ_ERROR_DATA 1 ++#define SZ_ERROR_MEM 2 ++#define SZ_ERROR_CRC 3 ++#define SZ_ERROR_UNSUPPORTED 4 ++#define SZ_ERROR_PARAM 5 ++#define SZ_ERROR_INPUT_EOF 6 ++#define SZ_ERROR_OUTPUT_EOF 7 ++#define SZ_ERROR_READ 8 ++#define SZ_ERROR_WRITE 9 ++#define SZ_ERROR_PROGRESS 10 ++#define SZ_ERROR_FAIL 11 ++#define SZ_ERROR_THREAD 12 ++ ++#define SZ_ERROR_ARCHIVE 16 ++#define SZ_ERROR_NO_ARCHIVE 17 ++ ++typedef int SRes; ++ ++#ifdef _WIN32 ++typedef DWORD WRes; ++#else ++typedef int WRes; ++#endif ++ ++#ifndef RINOK ++#define RINOK(x) { int __result__ = (x); if (__result__ != 0) return __result__; } ++#endif ++ ++typedef unsigned char Byte; ++typedef short Int16; ++typedef unsigned short UInt16; ++ ++#ifdef _LZMA_UINT32_IS_ULONG ++typedef long Int32; ++typedef unsigned long UInt32; ++#else ++typedef int Int32; ++typedef unsigned int UInt32; ++#endif ++ ++#ifdef _SZ_NO_INT_64 ++ ++/* define _SZ_NO_INT_64, if your compiler doesn't support 64-bit integers. ++ NOTES: Some code will work incorrectly in that case! */ ++ ++typedef long Int64; ++typedef unsigned long UInt64; ++ ++#else ++ ++#if defined(_MSC_VER) || defined(__BORLANDC__) ++typedef __int64 Int64; ++typedef unsigned __int64 UInt64; ++#else ++typedef long long int Int64; ++typedef unsigned long long int UInt64; ++#endif ++ ++#endif ++ ++#ifdef _LZMA_NO_SYSTEM_SIZE_T ++typedef UInt32 SizeT; ++#else ++typedef size_t SizeT; ++#endif ++ ++typedef int Bool; ++#define True 1 ++#define False 0 ++ ++ ++#ifdef _WIN32 ++#define MY_STD_CALL __stdcall ++#else ++#define MY_STD_CALL ++#endif ++ ++#ifdef _MSC_VER ++ ++#if _MSC_VER >= 1300 ++#define MY_NO_INLINE __declspec(noinline) ++#else ++#define MY_NO_INLINE ++#endif ++ ++#define MY_CDECL __cdecl ++#define MY_FAST_CALL __fastcall ++ ++#else ++ ++#define MY_CDECL ++#define MY_FAST_CALL ++ ++#endif ++ ++ ++/* The following interfaces use first parameter as pointer to structure */ ++ ++typedef struct ++{ ++ SRes (*Read)(void *p, void *buf, size_t *size); ++ /* if (input(*size) != 0 && output(*size) == 0) means end_of_stream. ++ (output(*size) < input(*size)) is allowed */ ++} ISeqInStream; ++ ++/* it can return SZ_ERROR_INPUT_EOF */ ++SRes SeqInStream_Read(ISeqInStream *stream, void *buf, size_t size); ++SRes SeqInStream_Read2(ISeqInStream *stream, void *buf, size_t size, SRes errorType); ++SRes SeqInStream_ReadByte(ISeqInStream *stream, Byte *buf); ++ ++typedef struct ++{ ++ size_t (*Write)(void *p, const void *buf, size_t size); ++ /* Returns: result - the number of actually written bytes. ++ (result < size) means error */ ++} ISeqOutStream; ++ ++typedef enum ++{ ++ SZ_SEEK_SET = 0, ++ SZ_SEEK_CUR = 1, ++ SZ_SEEK_END = 2 ++} ESzSeek; ++ ++typedef struct ++{ ++ SRes (*Read)(void *p, void *buf, size_t *size); /* same as ISeqInStream::Read */ ++ SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin); ++} ISeekInStream; ++ ++typedef struct ++{ ++ SRes (*Look)(void *p, void **buf, size_t *size); ++ /* if (input(*size) != 0 && output(*size) == 0) means end_of_stream. ++ (output(*size) > input(*size)) is not allowed ++ (output(*size) < input(*size)) is allowed */ ++ SRes (*Skip)(void *p, size_t offset); ++ /* offset must be <= output(*size) of Look */ ++ ++ SRes (*Read)(void *p, void *buf, size_t *size); ++ /* reads directly (without buffer). It's same as ISeqInStream::Read */ ++ SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin); ++} ILookInStream; ++ ++SRes LookInStream_LookRead(ILookInStream *stream, void *buf, size_t *size); ++SRes LookInStream_SeekTo(ILookInStream *stream, UInt64 offset); ++ ++/* reads via ILookInStream::Read */ ++SRes LookInStream_Read2(ILookInStream *stream, void *buf, size_t size, SRes errorType); ++SRes LookInStream_Read(ILookInStream *stream, void *buf, size_t size); ++ ++#define LookToRead_BUF_SIZE (1 << 14) ++ ++typedef struct ++{ ++ ILookInStream s; ++ ISeekInStream *realStream; ++ size_t pos; ++ size_t size; ++ Byte buf[LookToRead_BUF_SIZE]; ++} CLookToRead; ++ ++void LookToRead_CreateVTable(CLookToRead *p, int lookahead); ++void LookToRead_Init(CLookToRead *p); ++ ++typedef struct ++{ ++ ISeqInStream s; ++ ILookInStream *realStream; ++} CSecToLook; ++ ++void SecToLook_CreateVTable(CSecToLook *p); ++ ++typedef struct ++{ ++ ISeqInStream s; ++ ILookInStream *realStream; ++} CSecToRead; ++ ++void SecToRead_CreateVTable(CSecToRead *p); ++ ++typedef struct ++{ ++ SRes (*Progress)(void *p, UInt64 inSize, UInt64 outSize); ++ /* Returns: result. (result != SZ_OK) means break. ++ Value (UInt64)(Int64)-1 for size means unknown value. */ ++} ICompressProgress; ++ ++typedef struct ++{ ++ void *(*Alloc)(void *p, size_t size); ++ void (*Free)(void *p, void *address); /* address can be 0 */ ++} ISzAlloc; ++ ++#define IAlloc_Alloc(p, size) (p)->Alloc((p), size) ++#define IAlloc_Free(p, a) (p)->Free((p), a) ++ ++EXTERN_C_END ++ ++#endif +--- a/lib/Kconfig ++++ b/lib/Kconfig +@@ -118,6 +118,12 @@ config LZO_DECOMPRESS + + source "lib/xz/Kconfig" + ++config LZMA_COMPRESS ++ tristate ++ ++config LZMA_DECOMPRESS ++ tristate ++ + # + # These all provide a common interface (hence the apparent duplication with + # ZLIB_INFLATE; DECOMPRESS_GZIP is just a wrapper.) +--- a/lib/Makefile ++++ b/lib/Makefile +@@ -2,6 +2,16 @@ + # Makefile for some libs needed in the kernel. + # + ++ifdef CONFIG_JFFS2_ZLIB ++ CONFIG_ZLIB_INFLATE:=y ++ CONFIG_ZLIB_DEFLATE:=y ++endif ++ ++ifdef CONFIG_JFFS2_LZMA ++ CONFIG_LZMA_DECOMPRESS:=y ++ CONFIG_LZMA_COMPRESS:=y ++endif ++ + ifdef CONFIG_FUNCTION_TRACER + ORIG_CFLAGS := $(KBUILD_CFLAGS) + KBUILD_CFLAGS = $(subst -pg,,$(ORIG_CFLAGS)) +@@ -73,6 +83,8 @@ obj-$(CONFIG_LZO_COMPRESS) += lzo/ + obj-$(CONFIG_LZO_DECOMPRESS) += lzo/ + obj-$(CONFIG_XZ_DEC) += xz/ + obj-$(CONFIG_RAID6_PQ) += raid6/ ++obj-$(CONFIG_LZMA_COMPRESS) += lzma/ ++obj-$(CONFIG_LZMA_DECOMPRESS) += lzma/ + + lib-$(CONFIG_DECOMPRESS_GZIP) += decompress_inflate.o + lib-$(CONFIG_DECOMPRESS_BZIP2) += decompress_bunzip2.o +--- /dev/null ++++ b/lib/lzma/LzFind.c +@@ -0,0 +1,761 @@ ++/* LzFind.c -- Match finder for LZ algorithms ++2009-04-22 : Igor Pavlov : Public domain */ ++ ++#include <string.h> ++ ++#include "LzFind.h" ++#include "LzHash.h" ++ ++#define kEmptyHashValue 0 ++#define kMaxValForNormalize ((UInt32)0xFFFFFFFF) ++#define kNormalizeStepMin (1 << 10) /* it must be power of 2 */ ++#define kNormalizeMask (~(kNormalizeStepMin - 1)) ++#define kMaxHistorySize ((UInt32)3 << 30) ++ ++#define kStartMaxLen 3 ++ ++static void LzInWindow_Free(CMatchFinder *p, ISzAlloc *alloc) ++{ ++ if (!p->directInput) ++ { ++ alloc->Free(alloc, p->bufferBase); ++ p->bufferBase = 0; ++ } ++} ++ ++/* keepSizeBefore + keepSizeAfter + keepSizeReserv must be < 4G) */ ++ ++static int LzInWindow_Create(CMatchFinder *p, UInt32 keepSizeReserv, ISzAlloc *alloc) ++{ ++ UInt32 blockSize = p->keepSizeBefore + p->keepSizeAfter + keepSizeReserv; ++ if (p->directInput) ++ { ++ p->blockSize = blockSize; ++ return 1; ++ } ++ if (p->bufferBase == 0 || p->blockSize != blockSize) ++ { ++ LzInWindow_Free(p, alloc); ++ p->blockSize = blockSize; ++ p->bufferBase = (Byte *)alloc->Alloc(alloc, (size_t)blockSize); ++ } ++ return (p->bufferBase != 0); ++} ++ ++Byte *MatchFinder_GetPointerToCurrentPos(CMatchFinder *p) { return p->buffer; } ++Byte MatchFinder_GetIndexByte(CMatchFinder *p, Int32 index) { return p->buffer[index]; } ++ ++UInt32 MatchFinder_GetNumAvailableBytes(CMatchFinder *p) { return p->streamPos - p->pos; } ++ ++void MatchFinder_ReduceOffsets(CMatchFinder *p, UInt32 subValue) ++{ ++ p->posLimit -= subValue; ++ p->pos -= subValue; ++ p->streamPos -= subValue; ++} ++ ++static void MatchFinder_ReadBlock(CMatchFinder *p) ++{ ++ if (p->streamEndWasReached || p->result != SZ_OK) ++ return; ++ if (p->directInput) ++ { ++ UInt32 curSize = 0xFFFFFFFF - p->streamPos; ++ if (curSize > p->directInputRem) ++ curSize = (UInt32)p->directInputRem; ++ p->directInputRem -= curSize; ++ p->streamPos += curSize; ++ if (p->directInputRem == 0) ++ p->streamEndWasReached = 1; ++ return; ++ } ++ for (;;) ++ { ++ Byte *dest = p->buffer + (p->streamPos - p->pos); ++ size_t size = (p->bufferBase + p->blockSize - dest); ++ if (size == 0) ++ return; ++ p->result = p->stream->Read(p->stream, dest, &size); ++ if (p->result != SZ_OK) ++ return; ++ if (size == 0) ++ { ++ p->streamEndWasReached = 1; ++ return; ++ } ++ p->streamPos += (UInt32)size; ++ if (p->streamPos - p->pos > p->keepSizeAfter) ++ return; ++ } ++} ++ ++void MatchFinder_MoveBlock(CMatchFinder *p) ++{ ++ memmove(p->bufferBase, ++ p->buffer - p->keepSizeBefore, ++ (size_t)(p->streamPos - p->pos + p->keepSizeBefore)); ++ p->buffer = p->bufferBase + p->keepSizeBefore; ++} ++ ++int MatchFinder_NeedMove(CMatchFinder *p) ++{ ++ if (p->directInput) ++ return 0; ++ /* if (p->streamEndWasReached) return 0; */ ++ return ((size_t)(p->bufferBase + p->blockSize - p->buffer) <= p->keepSizeAfter); ++} ++ ++void MatchFinder_ReadIfRequired(CMatchFinder *p) ++{ ++ if (p->streamEndWasReached) ++ return; ++ if (p->keepSizeAfter >= p->streamPos - p->pos) ++ MatchFinder_ReadBlock(p); ++} ++ ++static void MatchFinder_CheckAndMoveAndRead(CMatchFinder *p) ++{ ++ if (MatchFinder_NeedMove(p)) ++ MatchFinder_MoveBlock(p); ++ MatchFinder_ReadBlock(p); ++} ++ ++static void MatchFinder_SetDefaultSettings(CMatchFinder *p) ++{ ++ p->cutValue = 32; ++ p->btMode = 1; ++ p->numHashBytes = 4; ++ p->bigHash = 0; ++} ++ ++#define kCrcPoly 0xEDB88320 ++ ++void MatchFinder_Construct(CMatchFinder *p) ++{ ++ UInt32 i; ++ p->bufferBase = 0; ++ p->directInput = 0; ++ p->hash = 0; ++ MatchFinder_SetDefaultSettings(p); ++ ++ for (i = 0; i < 256; i++) ++ { ++ UInt32 r = i; ++ int j; ++ for (j = 0; j < 8; j++) ++ r = (r >> 1) ^ (kCrcPoly & ~((r & 1) - 1)); ++ p->crc[i] = r; ++ } ++} ++ ++static void MatchFinder_FreeThisClassMemory(CMatchFinder *p, ISzAlloc *alloc) ++{ ++ alloc->Free(alloc, p->hash); ++ p->hash = 0; ++} ++ ++void MatchFinder_Free(CMatchFinder *p, ISzAlloc *alloc) ++{ ++ MatchFinder_FreeThisClassMemory(p, alloc); ++ LzInWindow_Free(p, alloc); ++} ++ ++static CLzRef* AllocRefs(UInt32 num, ISzAlloc *alloc) ++{ ++ size_t sizeInBytes = (size_t)num * sizeof(CLzRef); ++ if (sizeInBytes / sizeof(CLzRef) != num) ++ return 0; ++ return (CLzRef *)alloc->Alloc(alloc, sizeInBytes); ++} ++ ++int MatchFinder_Create(CMatchFinder *p, UInt32 historySize, ++ UInt32 keepAddBufferBefore, UInt32 matchMaxLen, UInt32 keepAddBufferAfter, ++ ISzAlloc *alloc) ++{ ++ UInt32 sizeReserv; ++ if (historySize > kMaxHistorySize) ++ { ++ MatchFinder_Free(p, alloc); ++ return 0; ++ } ++ sizeReserv = historySize >> 1; ++ if (historySize > ((UInt32)2 << 30)) ++ sizeReserv = historySize >> 2; ++ sizeReserv += (keepAddBufferBefore + matchMaxLen + keepAddBufferAfter) / 2 + (1 << 19); ++ ++ p->keepSizeBefore = historySize + keepAddBufferBefore + 1; ++ p->keepSizeAfter = matchMaxLen + keepAddBufferAfter; ++ /* we need one additional byte, since we use MoveBlock after pos++ and before dictionary using */ ++ if (LzInWindow_Create(p, sizeReserv, alloc)) ++ { ++ UInt32 newCyclicBufferSize = historySize + 1; ++ UInt32 hs; ++ p->matchMaxLen = matchMaxLen; ++ { ++ p->fixedHashSize = 0; ++ if (p->numHashBytes == 2) ++ hs = (1 << 16) - 1; ++ else ++ { ++ hs = historySize - 1; ++ hs |= (hs >> 1); ++ hs |= (hs >> 2); ++ hs |= (hs >> 4); ++ hs |= (hs >> 8); ++ hs >>= 1; ++ hs |= 0xFFFF; /* don't change it! It's required for Deflate */ ++ if (hs > (1 << 24)) ++ { ++ if (p->numHashBytes == 3) ++ hs = (1 << 24) - 1; ++ else ++ hs >>= 1; ++ } ++ } ++ p->hashMask = hs; ++ hs++; ++ if (p->numHashBytes > 2) p->fixedHashSize += kHash2Size; ++ if (p->numHashBytes > 3) p->fixedHashSize += kHash3Size; ++ if (p->numHashBytes > 4) p->fixedHashSize += kHash4Size; ++ hs += p->fixedHashSize; ++ } ++ ++ { ++ UInt32 prevSize = p->hashSizeSum + p->numSons; ++ UInt32 newSize; ++ p->historySize = historySize; ++ p->hashSizeSum = hs; ++ p->cyclicBufferSize = newCyclicBufferSize; ++ p->numSons = (p->btMode ? newCyclicBufferSize * 2 : newCyclicBufferSize); ++ newSize = p->hashSizeSum + p->numSons; ++ if (p->hash != 0 && prevSize == newSize) ++ return 1; ++ MatchFinder_FreeThisClassMemory(p, alloc); ++ p->hash = AllocRefs(newSize, alloc); ++ if (p->hash != 0) ++ { ++ p->son = p->hash + p->hashSizeSum; ++ return 1; ++ } ++ } ++ } ++ MatchFinder_Free(p, alloc); ++ return 0; ++} ++ ++static void MatchFinder_SetLimits(CMatchFinder *p) ++{ ++ UInt32 limit = kMaxValForNormalize - p->pos; ++ UInt32 limit2 = p->cyclicBufferSize - p->cyclicBufferPos; ++ if (limit2 < limit) ++ limit = limit2; ++ limit2 = p->streamPos - p->pos; ++ if (limit2 <= p->keepSizeAfter) ++ { ++ if (limit2 > 0) ++ limit2 = 1; ++ } ++ else ++ limit2 -= p->keepSizeAfter; ++ if (limit2 < limit) ++ limit = limit2; ++ { ++ UInt32 lenLimit = p->streamPos - p->pos; ++ if (lenLimit > p->matchMaxLen) ++ lenLimit = p->matchMaxLen; ++ p->lenLimit = lenLimit; ++ } ++ p->posLimit = p->pos + limit; ++} ++ ++void MatchFinder_Init(CMatchFinder *p) ++{ ++ UInt32 i; ++ for (i = 0; i < p->hashSizeSum; i++) ++ p->hash[i] = kEmptyHashValue; ++ p->cyclicBufferPos = 0; ++ p->buffer = p->bufferBase; ++ p->pos = p->streamPos = p->cyclicBufferSize; ++ p->result = SZ_OK; ++ p->streamEndWasReached = 0; ++ MatchFinder_ReadBlock(p); ++ MatchFinder_SetLimits(p); ++} ++ ++static UInt32 MatchFinder_GetSubValue(CMatchFinder *p) ++{ ++ return (p->pos - p->historySize - 1) & kNormalizeMask; ++} ++ ++void MatchFinder_Normalize3(UInt32 subValue, CLzRef *items, UInt32 numItems) ++{ ++ UInt32 i; ++ for (i = 0; i < numItems; i++) ++ { ++ UInt32 value = items[i]; ++ if (value <= subValue) ++ value = kEmptyHashValue; ++ else ++ value -= subValue; ++ items[i] = value; ++ } ++} ++ ++static void MatchFinder_Normalize(CMatchFinder *p) ++{ ++ UInt32 subValue = MatchFinder_GetSubValue(p); ++ MatchFinder_Normalize3(subValue, p->hash, p->hashSizeSum + p->numSons); ++ MatchFinder_ReduceOffsets(p, subValue); ++} ++ ++static void MatchFinder_CheckLimits(CMatchFinder *p) ++{ ++ if (p->pos == kMaxValForNormalize) ++ MatchFinder_Normalize(p); ++ if (!p->streamEndWasReached && p->keepSizeAfter == p->streamPos - p->pos) ++ MatchFinder_CheckAndMoveAndRead(p); ++ if (p->cyclicBufferPos == p->cyclicBufferSize) ++ p->cyclicBufferPos = 0; ++ MatchFinder_SetLimits(p); ++} ++ ++static UInt32 * Hc_GetMatchesSpec(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *cur, CLzRef *son, ++ UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 cutValue, ++ UInt32 *distances, UInt32 maxLen) ++{ ++ son[_cyclicBufferPos] = curMatch; ++ for (;;) ++ { ++ UInt32 delta = pos - curMatch; ++ if (cutValue-- == 0 || delta >= _cyclicBufferSize) ++ return distances; ++ { ++ const Byte *pb = cur - delta; ++ curMatch = son[_cyclicBufferPos - delta + ((delta > _cyclicBufferPos) ? _cyclicBufferSize : 0)]; ++ if (pb[maxLen] == cur[maxLen] && *pb == *cur) ++ { ++ UInt32 len = 0; ++ while (++len != lenLimit) ++ if (pb[len] != cur[len]) ++ break; ++ if (maxLen < len) ++ { ++ *distances++ = maxLen = len; ++ *distances++ = delta - 1; ++ if (len == lenLimit) ++ return distances; ++ } ++ } ++ } ++ } ++} ++ ++UInt32 * GetMatchesSpec1(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *cur, CLzRef *son, ++ UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 cutValue, ++ UInt32 *distances, UInt32 maxLen) ++{ ++ CLzRef *ptr0 = son + (_cyclicBufferPos << 1) + 1; ++ CLzRef *ptr1 = son + (_cyclicBufferPos << 1); ++ UInt32 len0 = 0, len1 = 0; ++ for (;;) ++ { ++ UInt32 delta = pos - curMatch; ++ if (cutValue-- == 0 || delta >= _cyclicBufferSize) ++ { ++ *ptr0 = *ptr1 = kEmptyHashValue; ++ return distances; ++ } ++ { ++ CLzRef *pair = son + ((_cyclicBufferPos - delta + ((delta > _cyclicBufferPos) ? _cyclicBufferSize : 0)) << 1); ++ const Byte *pb = cur - delta; ++ UInt32 len = (len0 < len1 ? len0 : len1); ++ if (pb[len] == cur[len]) ++ { ++ if (++len != lenLimit && pb[len] == cur[len]) ++ while (++len != lenLimit) ++ if (pb[len] != cur[len]) ++ break; ++ if (maxLen < len) ++ { ++ *distances++ = maxLen = len; ++ *distances++ = delta - 1; ++ if (len == lenLimit) ++ { ++ *ptr1 = pair[0]; ++ *ptr0 = pair[1]; ++ return distances; ++ } ++ } ++ } ++ if (pb[len] < cur[len]) ++ { ++ *ptr1 = curMatch; ++ ptr1 = pair + 1; ++ curMatch = *ptr1; ++ len1 = len; ++ } ++ else ++ { ++ *ptr0 = curMatch; ++ ptr0 = pair; ++ curMatch = *ptr0; ++ len0 = len; ++ } ++ } ++ } ++} ++ ++static void SkipMatchesSpec(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *cur, CLzRef *son, ++ UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 cutValue) ++{ ++ CLzRef *ptr0 = son + (_cyclicBufferPos << 1) + 1; ++ CLzRef *ptr1 = son + (_cyclicBufferPos << 1); ++ UInt32 len0 = 0, len1 = 0; ++ for (;;) ++ { ++ UInt32 delta = pos - curMatch; ++ if (cutValue-- == 0 || delta >= _cyclicBufferSize) ++ { ++ *ptr0 = *ptr1 = kEmptyHashValue; ++ return; ++ } ++ { ++ CLzRef *pair = son + ((_cyclicBufferPos - delta + ((delta > _cyclicBufferPos) ? _cyclicBufferSize : 0)) << 1); ++ const Byte *pb = cur - delta; ++ UInt32 len = (len0 < len1 ? len0 : len1); ++ if (pb[len] == cur[len]) ++ { ++ while (++len != lenLimit) ++ if (pb[len] != cur[len]) ++ break; ++ { ++ if (len == lenLimit) ++ { ++ *ptr1 = pair[0]; ++ *ptr0 = pair[1]; ++ return; ++ } ++ } ++ } ++ if (pb[len] < cur[len]) ++ { ++ *ptr1 = curMatch; ++ ptr1 = pair + 1; ++ curMatch = *ptr1; ++ len1 = len; ++ } ++ else ++ { ++ *ptr0 = curMatch; ++ ptr0 = pair; ++ curMatch = *ptr0; ++ len0 = len; ++ } ++ } ++ } ++} ++ ++#define MOVE_POS \ ++ ++p->cyclicBufferPos; \ ++ p->buffer++; \ ++ if (++p->pos == p->posLimit) MatchFinder_CheckLimits(p); ++ ++#define MOVE_POS_RET MOVE_POS return offset; ++ ++static void MatchFinder_MovePos(CMatchFinder *p) { MOVE_POS; } ++ ++#define GET_MATCHES_HEADER2(minLen, ret_op) \ ++ UInt32 lenLimit; UInt32 hashValue; const Byte *cur; UInt32 curMatch; \ ++ lenLimit = p->lenLimit; { if (lenLimit < minLen) { MatchFinder_MovePos(p); ret_op; }} \ ++ cur = p->buffer; ++ ++#define GET_MATCHES_HEADER(minLen) GET_MATCHES_HEADER2(minLen, return 0) ++#define SKIP_HEADER(minLen) GET_MATCHES_HEADER2(minLen, continue) ++ ++#define MF_PARAMS(p) p->pos, p->buffer, p->son, p->cyclicBufferPos, p->cyclicBufferSize, p->cutValue ++ ++#define GET_MATCHES_FOOTER(offset, maxLen) \ ++ offset = (UInt32)(GetMatchesSpec1(lenLimit, curMatch, MF_PARAMS(p), \ ++ distances + offset, maxLen) - distances); MOVE_POS_RET; ++ ++#define SKIP_FOOTER \ ++ SkipMatchesSpec(lenLimit, curMatch, MF_PARAMS(p)); MOVE_POS; ++ ++static UInt32 Bt2_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) ++{ ++ UInt32 offset; ++ GET_MATCHES_HEADER(2) ++ HASH2_CALC; ++ curMatch = p->hash[hashValue]; ++ p->hash[hashValue] = p->pos; ++ offset = 0; ++ GET_MATCHES_FOOTER(offset, 1) ++} ++ ++UInt32 Bt3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) ++{ ++ UInt32 offset; ++ GET_MATCHES_HEADER(3) ++ HASH_ZIP_CALC; ++ curMatch = p->hash[hashValue]; ++ p->hash[hashValue] = p->pos; ++ offset = 0; ++ GET_MATCHES_FOOTER(offset, 2) ++} ++ ++static UInt32 Bt3_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) ++{ ++ UInt32 hash2Value, delta2, maxLen, offset; ++ GET_MATCHES_HEADER(3) ++ ++ HASH3_CALC; ++ ++ delta2 = p->pos - p->hash[hash2Value]; ++ curMatch = p->hash[kFix3HashSize + hashValue]; ++ ++ p->hash[hash2Value] = ++ p->hash[kFix3HashSize + hashValue] = p->pos; ++ ++ ++ maxLen = 2; ++ offset = 0; ++ if (delta2 < p->cyclicBufferSize && *(cur - delta2) == *cur) ++ { ++ for (; maxLen != lenLimit; maxLen++) ++ if (cur[(ptrdiff_t)maxLen - delta2] != cur[maxLen]) ++ break; ++ distances[0] = maxLen; ++ distances[1] = delta2 - 1; ++ offset = 2; ++ if (maxLen == lenLimit) ++ { ++ SkipMatchesSpec(lenLimit, curMatch, MF_PARAMS(p)); ++ MOVE_POS_RET; ++ } ++ } ++ GET_MATCHES_FOOTER(offset, maxLen) ++} ++ ++static UInt32 Bt4_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) ++{ ++ UInt32 hash2Value, hash3Value, delta2, delta3, maxLen, offset; ++ GET_MATCHES_HEADER(4) ++ ++ HASH4_CALC; ++ ++ delta2 = p->pos - p->hash[ hash2Value]; ++ delta3 = p->pos - p->hash[kFix3HashSize + hash3Value]; ++ curMatch = p->hash[kFix4HashSize + hashValue]; ++ ++ p->hash[ hash2Value] = ++ p->hash[kFix3HashSize + hash3Value] = ++ p->hash[kFix4HashSize + hashValue] = p->pos; ++ ++ maxLen = 1; ++ offset = 0; ++ if (delta2 < p->cyclicBufferSize && *(cur - delta2) == *cur) ++ { ++ distances[0] = maxLen = 2; ++ distances[1] = delta2 - 1; ++ offset = 2; ++ } ++ if (delta2 != delta3 && delta3 < p->cyclicBufferSize && *(cur - delta3) == *cur) ++ { ++ maxLen = 3; ++ distances[offset + 1] = delta3 - 1; ++ offset += 2; ++ delta2 = delta3; ++ } ++ if (offset != 0) ++ { ++ for (; maxLen != lenLimit; maxLen++) ++ if (cur[(ptrdiff_t)maxLen - delta2] != cur[maxLen]) ++ break; ++ distances[offset - 2] = maxLen; ++ if (maxLen == lenLimit) ++ { ++ SkipMatchesSpec(lenLimit, curMatch, MF_PARAMS(p)); ++ MOVE_POS_RET; ++ } ++ } ++ if (maxLen < 3) ++ maxLen = 3; ++ GET_MATCHES_FOOTER(offset, maxLen) ++} ++ ++static UInt32 Hc4_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) ++{ ++ UInt32 hash2Value, hash3Value, delta2, delta3, maxLen, offset; ++ GET_MATCHES_HEADER(4) ++ ++ HASH4_CALC; ++ ++ delta2 = p->pos - p->hash[ hash2Value]; ++ delta3 = p->pos - p->hash[kFix3HashSize + hash3Value]; ++ curMatch = p->hash[kFix4HashSize + hashValue]; ++ ++ p->hash[ hash2Value] = ++ p->hash[kFix3HashSize + hash3Value] = ++ p->hash[kFix4HashSize + hashValue] = p->pos; ++ ++ maxLen = 1; ++ offset = 0; ++ if (delta2 < p->cyclicBufferSize && *(cur - delta2) == *cur) ++ { ++ distances[0] = maxLen = 2; ++ distances[1] = delta2 - 1; ++ offset = 2; ++ } ++ if (delta2 != delta3 && delta3 < p->cyclicBufferSize && *(cur - delta3) == *cur) ++ { ++ maxLen = 3; ++ distances[offset + 1] = delta3 - 1; ++ offset += 2; ++ delta2 = delta3; ++ } ++ if (offset != 0) ++ { ++ for (; maxLen != lenLimit; maxLen++) ++ if (cur[(ptrdiff_t)maxLen - delta2] != cur[maxLen]) ++ break; ++ distances[offset - 2] = maxLen; ++ if (maxLen == lenLimit) ++ { ++ p->son[p->cyclicBufferPos] = curMatch; ++ MOVE_POS_RET; ++ } ++ } ++ if (maxLen < 3) ++ maxLen = 3; ++ offset = (UInt32)(Hc_GetMatchesSpec(lenLimit, curMatch, MF_PARAMS(p), ++ distances + offset, maxLen) - (distances)); ++ MOVE_POS_RET ++} ++ ++UInt32 Hc3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) ++{ ++ UInt32 offset; ++ GET_MATCHES_HEADER(3) ++ HASH_ZIP_CALC; ++ curMatch = p->hash[hashValue]; ++ p->hash[hashValue] = p->pos; ++ offset = (UInt32)(Hc_GetMatchesSpec(lenLimit, curMatch, MF_PARAMS(p), ++ distances, 2) - (distances)); ++ MOVE_POS_RET ++} ++ ++static void Bt2_MatchFinder_Skip(CMatchFinder *p, UInt32 num) ++{ ++ do ++ { ++ SKIP_HEADER(2) ++ HASH2_CALC; ++ curMatch = p->hash[hashValue]; ++ p->hash[hashValue] = p->pos; ++ SKIP_FOOTER ++ } ++ while (--num != 0); ++} ++ ++void Bt3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num) ++{ ++ do ++ { ++ SKIP_HEADER(3) ++ HASH_ZIP_CALC; ++ curMatch = p->hash[hashValue]; ++ p->hash[hashValue] = p->pos; ++ SKIP_FOOTER ++ } ++ while (--num != 0); ++} ++ ++static void Bt3_MatchFinder_Skip(CMatchFinder *p, UInt32 num) ++{ ++ do ++ { ++ UInt32 hash2Value; ++ SKIP_HEADER(3) ++ HASH3_CALC; ++ curMatch = p->hash[kFix3HashSize + hashValue]; ++ p->hash[hash2Value] = ++ p->hash[kFix3HashSize + hashValue] = p->pos; ++ SKIP_FOOTER ++ } ++ while (--num != 0); ++} ++ ++static void Bt4_MatchFinder_Skip(CMatchFinder *p, UInt32 num) ++{ ++ do ++ { ++ UInt32 hash2Value, hash3Value; ++ SKIP_HEADER(4) ++ HASH4_CALC; ++ curMatch = p->hash[kFix4HashSize + hashValue]; ++ p->hash[ hash2Value] = ++ p->hash[kFix3HashSize + hash3Value] = p->pos; ++ p->hash[kFix4HashSize + hashValue] = p->pos; ++ SKIP_FOOTER ++ } ++ while (--num != 0); ++} ++ ++static void Hc4_MatchFinder_Skip(CMatchFinder *p, UInt32 num) ++{ ++ do ++ { ++ UInt32 hash2Value, hash3Value; ++ SKIP_HEADER(4) ++ HASH4_CALC; ++ curMatch = p->hash[kFix4HashSize + hashValue]; ++ p->hash[ hash2Value] = ++ p->hash[kFix3HashSize + hash3Value] = ++ p->hash[kFix4HashSize + hashValue] = p->pos; ++ p->son[p->cyclicBufferPos] = curMatch; ++ MOVE_POS ++ } ++ while (--num != 0); ++} ++ ++void Hc3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num) ++{ ++ do ++ { ++ SKIP_HEADER(3) ++ HASH_ZIP_CALC; ++ curMatch = p->hash[hashValue]; ++ p->hash[hashValue] = p->pos; ++ p->son[p->cyclicBufferPos] = curMatch; ++ MOVE_POS ++ } ++ while (--num != 0); ++} ++ ++void MatchFinder_CreateVTable(CMatchFinder *p, IMatchFinder *vTable) ++{ ++ vTable->Init = (Mf_Init_Func)MatchFinder_Init; ++ vTable->GetIndexByte = (Mf_GetIndexByte_Func)MatchFinder_GetIndexByte; ++ vTable->GetNumAvailableBytes = (Mf_GetNumAvailableBytes_Func)MatchFinder_GetNumAvailableBytes; ++ vTable->GetPointerToCurrentPos = (Mf_GetPointerToCurrentPos_Func)MatchFinder_GetPointerToCurrentPos; ++ if (!p->btMode) ++ { ++ vTable->GetMatches = (Mf_GetMatches_Func)Hc4_MatchFinder_GetMatches; ++ vTable->Skip = (Mf_Skip_Func)Hc4_MatchFinder_Skip; ++ } ++ else if (p->numHashBytes == 2) ++ { ++ vTable->GetMatches = (Mf_GetMatches_Func)Bt2_MatchFinder_GetMatches; ++ vTable->Skip = (Mf_Skip_Func)Bt2_MatchFinder_Skip; ++ } ++ else if (p->numHashBytes == 3) ++ { ++ vTable->GetMatches = (Mf_GetMatches_Func)Bt3_MatchFinder_GetMatches; ++ vTable->Skip = (Mf_Skip_Func)Bt3_MatchFinder_Skip; ++ } ++ else ++ { ++ vTable->GetMatches = (Mf_GetMatches_Func)Bt4_MatchFinder_GetMatches; ++ vTable->Skip = (Mf_Skip_Func)Bt4_MatchFinder_Skip; ++ } ++} +--- /dev/null ++++ b/lib/lzma/LzmaDec.c +@@ -0,0 +1,999 @@ ++/* LzmaDec.c -- LZMA Decoder ++2009-09-20 : Igor Pavlov : Public domain */ ++ ++#include "LzmaDec.h" ++ ++#include <string.h> ++ ++#define kNumTopBits 24 ++#define kTopValue ((UInt32)1 << kNumTopBits) ++ ++#define kNumBitModelTotalBits 11 ++#define kBitModelTotal (1 << kNumBitModelTotalBits) ++#define kNumMoveBits 5 ++ ++#define RC_INIT_SIZE 5 ++ ++#define NORMALIZE if (range < kTopValue) { range <<= 8; code = (code << 8) | (*buf++); } ++ ++#define IF_BIT_0(p) ttt = *(p); NORMALIZE; bound = (range >> kNumBitModelTotalBits) * ttt; if (code < bound) ++#define UPDATE_0(p) range = bound; *(p) = (CLzmaProb)(ttt + ((kBitModelTotal - ttt) >> kNumMoveBits)); ++#define UPDATE_1(p) range -= bound; code -= bound; *(p) = (CLzmaProb)(ttt - (ttt >> kNumMoveBits)); ++#define GET_BIT2(p, i, A0, A1) IF_BIT_0(p) \ ++ { UPDATE_0(p); i = (i + i); A0; } else \ ++ { UPDATE_1(p); i = (i + i) + 1; A1; } ++#define GET_BIT(p, i) GET_BIT2(p, i, ; , ;) ++ ++#define TREE_GET_BIT(probs, i) { GET_BIT((probs + i), i); } ++#define TREE_DECODE(probs, limit, i) \ ++ { i = 1; do { TREE_GET_BIT(probs, i); } while (i < limit); i -= limit; } ++ ++/* #define _LZMA_SIZE_OPT */ ++ ++#ifdef _LZMA_SIZE_OPT ++#define TREE_6_DECODE(probs, i) TREE_DECODE(probs, (1 << 6), i) ++#else ++#define TREE_6_DECODE(probs, i) \ ++ { i = 1; \ ++ TREE_GET_BIT(probs, i); \ ++ TREE_GET_BIT(probs, i); \ ++ TREE_GET_BIT(probs, i); \ ++ TREE_GET_BIT(probs, i); \ ++ TREE_GET_BIT(probs, i); \ ++ TREE_GET_BIT(probs, i); \ ++ i -= 0x40; } ++#endif ++ ++#define NORMALIZE_CHECK if (range < kTopValue) { if (buf >= bufLimit) return DUMMY_ERROR; range <<= 8; code = (code << 8) | (*buf++); } ++ ++#define IF_BIT_0_CHECK(p) ttt = *(p); NORMALIZE_CHECK; bound = (range >> kNumBitModelTotalBits) * ttt; if (code < bound) ++#define UPDATE_0_CHECK range = bound; ++#define UPDATE_1_CHECK range -= bound; code -= bound; ++#define GET_BIT2_CHECK(p, i, A0, A1) IF_BIT_0_CHECK(p) \ ++ { UPDATE_0_CHECK; i = (i + i); A0; } else \ ++ { UPDATE_1_CHECK; i = (i + i) + 1; A1; } ++#define GET_BIT_CHECK(p, i) GET_BIT2_CHECK(p, i, ; , ;) ++#define TREE_DECODE_CHECK(probs, limit, i) \ ++ { i = 1; do { GET_BIT_CHECK(probs + i, i) } while (i < limit); i -= limit; } ++ ++ ++#define kNumPosBitsMax 4 ++#define kNumPosStatesMax (1 << kNumPosBitsMax) ++ ++#define kLenNumLowBits 3 ++#define kLenNumLowSymbols (1 << kLenNumLowBits) ++#define kLenNumMidBits 3 ++#define kLenNumMidSymbols (1 << kLenNumMidBits) ++#define kLenNumHighBits 8 ++#define kLenNumHighSymbols (1 << kLenNumHighBits) ++ ++#define LenChoice 0 ++#define LenChoice2 (LenChoice + 1) ++#define LenLow (LenChoice2 + 1) ++#define LenMid (LenLow + (kNumPosStatesMax << kLenNumLowBits)) ++#define LenHigh (LenMid + (kNumPosStatesMax << kLenNumMidBits)) ++#define kNumLenProbs (LenHigh + kLenNumHighSymbols) ++ ++ ++#define kNumStates 12 ++#define kNumLitStates 7 ++ ++#define kStartPosModelIndex 4 ++#define kEndPosModelIndex 14 ++#define kNumFullDistances (1 << (kEndPosModelIndex >> 1)) ++ ++#define kNumPosSlotBits 6 ++#define kNumLenToPosStates 4 ++ ++#define kNumAlignBits 4 ++#define kAlignTableSize (1 << kNumAlignBits) ++ ++#define kMatchMinLen 2 ++#define kMatchSpecLenStart (kMatchMinLen + kLenNumLowSymbols + kLenNumMidSymbols + kLenNumHighSymbols) ++ ++#define IsMatch 0 ++#define IsRep (IsMatch + (kNumStates << kNumPosBitsMax)) ++#define IsRepG0 (IsRep + kNumStates) ++#define IsRepG1 (IsRepG0 + kNumStates) ++#define IsRepG2 (IsRepG1 + kNumStates) ++#define IsRep0Long (IsRepG2 + kNumStates) ++#define PosSlot (IsRep0Long + (kNumStates << kNumPosBitsMax)) ++#define SpecPos (PosSlot + (kNumLenToPosStates << kNumPosSlotBits)) ++#define Align (SpecPos + kNumFullDistances - kEndPosModelIndex) ++#define LenCoder (Align + kAlignTableSize) ++#define RepLenCoder (LenCoder + kNumLenProbs) ++#define Literal (RepLenCoder + kNumLenProbs) ++ ++#define LZMA_BASE_SIZE 1846 ++#define LZMA_LIT_SIZE 768 ++ ++#define LzmaProps_GetNumProbs(p) ((UInt32)LZMA_BASE_SIZE + (LZMA_LIT_SIZE << ((p)->lc + (p)->lp))) ++ ++#if Literal != LZMA_BASE_SIZE ++StopCompilingDueBUG ++#endif ++ ++#define LZMA_DIC_MIN (1 << 12) ++ ++/* First LZMA-symbol is always decoded. ++And it decodes new LZMA-symbols while (buf < bufLimit), but "buf" is without last normalization ++Out: ++ Result: ++ SZ_OK - OK ++ SZ_ERROR_DATA - Error ++ p->remainLen: ++ < kMatchSpecLenStart : normal remain ++ = kMatchSpecLenStart : finished ++ = kMatchSpecLenStart + 1 : Flush marker ++ = kMatchSpecLenStart + 2 : State Init Marker ++*/ ++ ++static int MY_FAST_CALL LzmaDec_DecodeReal(CLzmaDec *p, SizeT limit, const Byte *bufLimit) ++{ ++ CLzmaProb *probs = p->probs; ++ ++ unsigned state = p->state; ++ UInt32 rep0 = p->reps[0], rep1 = p->reps[1], rep2 = p->reps[2], rep3 = p->reps[3]; ++ unsigned pbMask = ((unsigned)1 << (p->prop.pb)) - 1; ++ unsigned lpMask = ((unsigned)1 << (p->prop.lp)) - 1; ++ unsigned lc = p->prop.lc; ++ ++ Byte *dic = p->dic; ++ SizeT dicBufSize = p->dicBufSize; ++ SizeT dicPos = p->dicPos; ++ ++ UInt32 processedPos = p->processedPos; ++ UInt32 checkDicSize = p->checkDicSize; ++ unsigned len = 0; ++ ++ const Byte *buf = p->buf; ++ UInt32 range = p->range; ++ UInt32 code = p->code; ++ ++ do ++ { ++ CLzmaProb *prob; ++ UInt32 bound; ++ unsigned ttt; ++ unsigned posState = processedPos & pbMask; ++ ++ prob = probs + IsMatch + (state << kNumPosBitsMax) + posState; ++ IF_BIT_0(prob) ++ { ++ unsigned symbol; ++ UPDATE_0(prob); ++ prob = probs + Literal; ++ if (checkDicSize != 0 || processedPos != 0) ++ prob += (LZMA_LIT_SIZE * (((processedPos & lpMask) << lc) + ++ (dic[(dicPos == 0 ? dicBufSize : dicPos) - 1] >> (8 - lc)))); ++ ++ if (state < kNumLitStates) ++ { ++ state -= (state < 4) ? state : 3; ++ symbol = 1; ++ do { GET_BIT(prob + symbol, symbol) } while (symbol < 0x100); ++ } ++ else ++ { ++ unsigned matchByte = p->dic[(dicPos - rep0) + ((dicPos < rep0) ? dicBufSize : 0)]; ++ unsigned offs = 0x100; ++ state -= (state < 10) ? 3 : 6; ++ symbol = 1; ++ do ++ { ++ unsigned bit; ++ CLzmaProb *probLit; ++ matchByte <<= 1; ++ bit = (matchByte & offs); ++ probLit = prob + offs + bit + symbol; ++ GET_BIT2(probLit, symbol, offs &= ~bit, offs &= bit) ++ } ++ while (symbol < 0x100); ++ } ++ dic[dicPos++] = (Byte)symbol; ++ processedPos++; ++ continue; ++ } ++ else ++ { ++ UPDATE_1(prob); ++ prob = probs + IsRep + state; ++ IF_BIT_0(prob) ++ { ++ UPDATE_0(prob); ++ state += kNumStates; ++ prob = probs + LenCoder; ++ } ++ else ++ { ++ UPDATE_1(prob); ++ if (checkDicSize == 0 && processedPos == 0) ++ return SZ_ERROR_DATA; ++ prob = probs + IsRepG0 + state; ++ IF_BIT_0(prob) ++ { ++ UPDATE_0(prob); ++ prob = probs + IsRep0Long + (state << kNumPosBitsMax) + posState; ++ IF_BIT_0(prob) ++ { ++ UPDATE_0(prob); ++ dic[dicPos] = dic[(dicPos - rep0) + ((dicPos < rep0) ? dicBufSize : 0)]; ++ dicPos++; ++ processedPos++; ++ state = state < kNumLitStates ? 9 : 11; ++ continue; ++ } ++ UPDATE_1(prob); ++ } ++ else ++ { ++ UInt32 distance; ++ UPDATE_1(prob); ++ prob = probs + IsRepG1 + state; ++ IF_BIT_0(prob) ++ { ++ UPDATE_0(prob); ++ distance = rep1; ++ } ++ else ++ { ++ UPDATE_1(prob); ++ prob = probs + IsRepG2 + state; ++ IF_BIT_0(prob) ++ { ++ UPDATE_0(prob); ++ distance = rep2; ++ } ++ else ++ { ++ UPDATE_1(prob); ++ distance = rep3; ++ rep3 = rep2; ++ } ++ rep2 = rep1; ++ } ++ rep1 = rep0; ++ rep0 = distance; ++ } ++ state = state < kNumLitStates ? 8 : 11; ++ prob = probs + RepLenCoder; ++ } ++ { ++ unsigned limit, offset; ++ CLzmaProb *probLen = prob + LenChoice; ++ IF_BIT_0(probLen) ++ { ++ UPDATE_0(probLen); ++ probLen = prob + LenLow + (posState << kLenNumLowBits); ++ offset = 0; ++ limit = (1 << kLenNumLowBits); ++ } ++ else ++ { ++ UPDATE_1(probLen); ++ probLen = prob + LenChoice2; ++ IF_BIT_0(probLen) ++ { ++ UPDATE_0(probLen); ++ probLen = prob + LenMid + (posState << kLenNumMidBits); ++ offset = kLenNumLowSymbols; ++ limit = (1 << kLenNumMidBits); ++ } ++ else ++ { ++ UPDATE_1(probLen); ++ probLen = prob + LenHigh; ++ offset = kLenNumLowSymbols + kLenNumMidSymbols; ++ limit = (1 << kLenNumHighBits); ++ } ++ } ++ TREE_DECODE(probLen, limit, len); ++ len += offset; ++ } ++ ++ if (state >= kNumStates) ++ { ++ UInt32 distance; ++ prob = probs + PosSlot + ++ ((len < kNumLenToPosStates ? len : kNumLenToPosStates - 1) << kNumPosSlotBits); ++ TREE_6_DECODE(prob, distance); ++ if (distance >= kStartPosModelIndex) ++ { ++ unsigned posSlot = (unsigned)distance; ++ int numDirectBits = (int)(((distance >> 1) - 1)); ++ distance = (2 | (distance & 1)); ++ if (posSlot < kEndPosModelIndex) ++ { ++ distance <<= numDirectBits; ++ prob = probs + SpecPos + distance - posSlot - 1; ++ { ++ UInt32 mask = 1; ++ unsigned i = 1; ++ do ++ { ++ GET_BIT2(prob + i, i, ; , distance |= mask); ++ mask <<= 1; ++ } ++ while (--numDirectBits != 0); ++ } ++ } ++ else ++ { ++ numDirectBits -= kNumAlignBits; ++ do ++ { ++ NORMALIZE ++ range >>= 1; ++ ++ { ++ UInt32 t; ++ code -= range; ++ t = (0 - ((UInt32)code >> 31)); /* (UInt32)((Int32)code >> 31) */ ++ distance = (distance << 1) + (t + 1); ++ code += range & t; ++ } ++ /* ++ distance <<= 1; ++ if (code >= range) ++ { ++ code -= range; ++ distance |= 1; ++ } ++ */ ++ } ++ while (--numDirectBits != 0); ++ prob = probs + Align; ++ distance <<= kNumAlignBits; ++ { ++ unsigned i = 1; ++ GET_BIT2(prob + i, i, ; , distance |= 1); ++ GET_BIT2(prob + i, i, ; , distance |= 2); ++ GET_BIT2(prob + i, i, ; , distance |= 4); ++ GET_BIT2(prob + i, i, ; , distance |= 8); ++ } ++ if (distance == (UInt32)0xFFFFFFFF) ++ { ++ len += kMatchSpecLenStart; ++ state -= kNumStates; ++ break; ++ } ++ } ++ } ++ rep3 = rep2; ++ rep2 = rep1; ++ rep1 = rep0; ++ rep0 = distance + 1; ++ if (checkDicSize == 0) ++ { ++ if (distance >= processedPos) ++ return SZ_ERROR_DATA; ++ } ++ else if (distance >= checkDicSize) ++ return SZ_ERROR_DATA; ++ state = (state < kNumStates + kNumLitStates) ? kNumLitStates : kNumLitStates + 3; ++ } ++ ++ len += kMatchMinLen; ++ ++ if (limit == dicPos) ++ return SZ_ERROR_DATA; ++ { ++ SizeT rem = limit - dicPos; ++ unsigned curLen = ((rem < len) ? (unsigned)rem : len); ++ SizeT pos = (dicPos - rep0) + ((dicPos < rep0) ? dicBufSize : 0); ++ ++ processedPos += curLen; ++ ++ len -= curLen; ++ if (pos + curLen <= dicBufSize) ++ { ++ Byte *dest = dic + dicPos; ++ ptrdiff_t src = (ptrdiff_t)pos - (ptrdiff_t)dicPos; ++ const Byte *lim = dest + curLen; ++ dicPos += curLen; ++ do ++ *(dest) = (Byte)*(dest + src); ++ while (++dest != lim); ++ } ++ else ++ { ++ do ++ { ++ dic[dicPos++] = dic[pos]; ++ if (++pos == dicBufSize) ++ pos = 0; ++ } ++ while (--curLen != 0); ++ } ++ } ++ } ++ } ++ while (dicPos < limit && buf < bufLimit); ++ NORMALIZE; ++ p->buf = buf; ++ p->range = range; ++ p->code = code; ++ p->remainLen = len; ++ p->dicPos = dicPos; ++ p->processedPos = processedPos; ++ p->reps[0] = rep0; ++ p->reps[1] = rep1; ++ p->reps[2] = rep2; ++ p->reps[3] = rep3; ++ p->state = state; ++ ++ return SZ_OK; ++} ++ ++static void MY_FAST_CALL LzmaDec_WriteRem(CLzmaDec *p, SizeT limit) ++{ ++ if (p->remainLen != 0 && p->remainLen < kMatchSpecLenStart) ++ { ++ Byte *dic = p->dic; ++ SizeT dicPos = p->dicPos; ++ SizeT dicBufSize = p->dicBufSize; ++ unsigned len = p->remainLen; ++ UInt32 rep0 = p->reps[0]; ++ if (limit - dicPos < len) ++ len = (unsigned)(limit - dicPos); ++ ++ if (p->checkDicSize == 0 && p->prop.dicSize - p->processedPos <= len) ++ p->checkDicSize = p->prop.dicSize; ++ ++ p->processedPos += len; ++ p->remainLen -= len; ++ while (len-- != 0) ++ { ++ dic[dicPos] = dic[(dicPos - rep0) + ((dicPos < rep0) ? dicBufSize : 0)]; ++ dicPos++; ++ } ++ p->dicPos = dicPos; ++ } ++} ++ ++static int MY_FAST_CALL LzmaDec_DecodeReal2(CLzmaDec *p, SizeT limit, const Byte *bufLimit) ++{ ++ do ++ { ++ SizeT limit2 = limit; ++ if (p->checkDicSize == 0) ++ { ++ UInt32 rem = p->prop.dicSize - p->processedPos; ++ if (limit - p->dicPos > rem) ++ limit2 = p->dicPos + rem; ++ } ++ RINOK(LzmaDec_DecodeReal(p, limit2, bufLimit)); ++ if (p->processedPos >= p->prop.dicSize) ++ p->checkDicSize = p->prop.dicSize; ++ LzmaDec_WriteRem(p, limit); ++ } ++ while (p->dicPos < limit && p->buf < bufLimit && p->remainLen < kMatchSpecLenStart); ++ ++ if (p->remainLen > kMatchSpecLenStart) ++ { ++ p->remainLen = kMatchSpecLenStart; ++ } ++ return 0; ++} ++ ++typedef enum ++{ ++ DUMMY_ERROR, /* unexpected end of input stream */ ++ DUMMY_LIT, ++ DUMMY_MATCH, ++ DUMMY_REP ++} ELzmaDummy; ++ ++static ELzmaDummy LzmaDec_TryDummy(const CLzmaDec *p, const Byte *buf, SizeT inSize) ++{ ++ UInt32 range = p->range; ++ UInt32 code = p->code; ++ const Byte *bufLimit = buf + inSize; ++ CLzmaProb *probs = p->probs; ++ unsigned state = p->state; ++ ELzmaDummy res; ++ ++ { ++ CLzmaProb *prob; ++ UInt32 bound; ++ unsigned ttt; ++ unsigned posState = (p->processedPos) & ((1 << p->prop.pb) - 1); ++ ++ prob = probs + IsMatch + (state << kNumPosBitsMax) + posState; ++ IF_BIT_0_CHECK(prob) ++ { ++ UPDATE_0_CHECK ++ ++ /* if (bufLimit - buf >= 7) return DUMMY_LIT; */ ++ ++ prob = probs + Literal; ++ if (p->checkDicSize != 0 || p->processedPos != 0) ++ prob += (LZMA_LIT_SIZE * ++ ((((p->processedPos) & ((1 << (p->prop.lp)) - 1)) << p->prop.lc) + ++ (p->dic[(p->dicPos == 0 ? p->dicBufSize : p->dicPos) - 1] >> (8 - p->prop.lc)))); ++ ++ if (state < kNumLitStates) ++ { ++ unsigned symbol = 1; ++ do { GET_BIT_CHECK(prob + symbol, symbol) } while (symbol < 0x100); ++ } ++ else ++ { ++ unsigned matchByte = p->dic[p->dicPos - p->reps[0] + ++ ((p->dicPos < p->reps[0]) ? p->dicBufSize : 0)]; ++ unsigned offs = 0x100; ++ unsigned symbol = 1; ++ do ++ { ++ unsigned bit; ++ CLzmaProb *probLit; ++ matchByte <<= 1; ++ bit = (matchByte & offs); ++ probLit = prob + offs + bit + symbol; ++ GET_BIT2_CHECK(probLit, symbol, offs &= ~bit, offs &= bit) ++ } ++ while (symbol < 0x100); ++ } ++ res = DUMMY_LIT; ++ } ++ else ++ { ++ unsigned len; ++ UPDATE_1_CHECK; ++ ++ prob = probs + IsRep + state; ++ IF_BIT_0_CHECK(prob) ++ { ++ UPDATE_0_CHECK; ++ state = 0; ++ prob = probs + LenCoder; ++ res = DUMMY_MATCH; ++ } ++ else ++ { ++ UPDATE_1_CHECK; ++ res = DUMMY_REP; ++ prob = probs + IsRepG0 + state; ++ IF_BIT_0_CHECK(prob) ++ { ++ UPDATE_0_CHECK; ++ prob = probs + IsRep0Long + (state << kNumPosBitsMax) + posState; ++ IF_BIT_0_CHECK(prob) ++ { ++ UPDATE_0_CHECK; ++ NORMALIZE_CHECK; ++ return DUMMY_REP; ++ } ++ else ++ { ++ UPDATE_1_CHECK; ++ } ++ } ++ else ++ { ++ UPDATE_1_CHECK; ++ prob = probs + IsRepG1 + state; ++ IF_BIT_0_CHECK(prob) ++ { ++ UPDATE_0_CHECK; ++ } ++ else ++ { ++ UPDATE_1_CHECK; ++ prob = probs + IsRepG2 + state; ++ IF_BIT_0_CHECK(prob) ++ { ++ UPDATE_0_CHECK; ++ } ++ else ++ { ++ UPDATE_1_CHECK; ++ } ++ } ++ } ++ state = kNumStates; ++ prob = probs + RepLenCoder; ++ } ++ { ++ unsigned limit, offset; ++ CLzmaProb *probLen = prob + LenChoice; ++ IF_BIT_0_CHECK(probLen) ++ { ++ UPDATE_0_CHECK; ++ probLen = prob + LenLow + (posState << kLenNumLowBits); ++ offset = 0; ++ limit = 1 << kLenNumLowBits; ++ } ++ else ++ { ++ UPDATE_1_CHECK; ++ probLen = prob + LenChoice2; ++ IF_BIT_0_CHECK(probLen) ++ { ++ UPDATE_0_CHECK; ++ probLen = prob + LenMid + (posState << kLenNumMidBits); ++ offset = kLenNumLowSymbols; ++ limit = 1 << kLenNumMidBits; ++ } ++ else ++ { ++ UPDATE_1_CHECK; ++ probLen = prob + LenHigh; ++ offset = kLenNumLowSymbols + kLenNumMidSymbols; ++ limit = 1 << kLenNumHighBits; ++ } ++ } ++ TREE_DECODE_CHECK(probLen, limit, len); ++ len += offset; ++ } ++ ++ if (state < 4) ++ { ++ unsigned posSlot; ++ prob = probs + PosSlot + ++ ((len < kNumLenToPosStates ? len : kNumLenToPosStates - 1) << ++ kNumPosSlotBits); ++ TREE_DECODE_CHECK(prob, 1 << kNumPosSlotBits, posSlot); ++ if (posSlot >= kStartPosModelIndex) ++ { ++ int numDirectBits = ((posSlot >> 1) - 1); ++ ++ /* if (bufLimit - buf >= 8) return DUMMY_MATCH; */ ++ ++ if (posSlot < kEndPosModelIndex) ++ { ++ prob = probs + SpecPos + ((2 | (posSlot & 1)) << numDirectBits) - posSlot - 1; ++ } ++ else ++ { ++ numDirectBits -= kNumAlignBits; ++ do ++ { ++ NORMALIZE_CHECK ++ range >>= 1; ++ code -= range & (((code - range) >> 31) - 1); ++ /* if (code >= range) code -= range; */ ++ } ++ while (--numDirectBits != 0); ++ prob = probs + Align; ++ numDirectBits = kNumAlignBits; ++ } ++ { ++ unsigned i = 1; ++ do ++ { ++ GET_BIT_CHECK(prob + i, i); ++ } ++ while (--numDirectBits != 0); ++ } ++ } ++ } ++ } ++ } ++ NORMALIZE_CHECK; ++ return res; ++} ++ ++ ++static void LzmaDec_InitRc(CLzmaDec *p, const Byte *data) ++{ ++ p->code = ((UInt32)data[1] << 24) | ((UInt32)data[2] << 16) | ((UInt32)data[3] << 8) | ((UInt32)data[4]); ++ p->range = 0xFFFFFFFF; ++ p->needFlush = 0; ++} ++ ++void LzmaDec_InitDicAndState(CLzmaDec *p, Bool initDic, Bool initState) ++{ ++ p->needFlush = 1; ++ p->remainLen = 0; ++ p->tempBufSize = 0; ++ ++ if (initDic) ++ { ++ p->processedPos = 0; ++ p->checkDicSize = 0; ++ p->needInitState = 1; ++ } ++ if (initState) ++ p->needInitState = 1; ++} ++ ++void LzmaDec_Init(CLzmaDec *p) ++{ ++ p->dicPos = 0; ++ LzmaDec_InitDicAndState(p, True, True); ++} ++ ++static void LzmaDec_InitStateReal(CLzmaDec *p) ++{ ++ UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (p->prop.lc + p->prop.lp)); ++ UInt32 i; ++ CLzmaProb *probs = p->probs; ++ for (i = 0; i < numProbs; i++) ++ probs[i] = kBitModelTotal >> 1; ++ p->reps[0] = p->reps[1] = p->reps[2] = p->reps[3] = 1; ++ p->state = 0; ++ p->needInitState = 0; ++} ++ ++SRes LzmaDec_DecodeToDic(CLzmaDec *p, SizeT dicLimit, const Byte *src, SizeT *srcLen, ++ ELzmaFinishMode finishMode, ELzmaStatus *status) ++{ ++ SizeT inSize = *srcLen; ++ (*srcLen) = 0; ++ LzmaDec_WriteRem(p, dicLimit); ++ ++ *status = LZMA_STATUS_NOT_SPECIFIED; ++ ++ while (p->remainLen != kMatchSpecLenStart) ++ { ++ int checkEndMarkNow; ++ ++ if (p->needFlush != 0) ++ { ++ for (; inSize > 0 && p->tempBufSize < RC_INIT_SIZE; (*srcLen)++, inSize--) ++ p->tempBuf[p->tempBufSize++] = *src++; ++ if (p->tempBufSize < RC_INIT_SIZE) ++ { ++ *status = LZMA_STATUS_NEEDS_MORE_INPUT; ++ return SZ_OK; ++ } ++ if (p->tempBuf[0] != 0) ++ return SZ_ERROR_DATA; ++ ++ LzmaDec_InitRc(p, p->tempBuf); ++ p->tempBufSize = 0; ++ } ++ ++ checkEndMarkNow = 0; ++ if (p->dicPos >= dicLimit) ++ { ++ if (p->remainLen == 0 && p->code == 0) ++ { ++ *status = LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK; ++ return SZ_OK; ++ } ++ if (finishMode == LZMA_FINISH_ANY) ++ { ++ *status = LZMA_STATUS_NOT_FINISHED; ++ return SZ_OK; ++ } ++ if (p->remainLen != 0) ++ { ++ *status = LZMA_STATUS_NOT_FINISHED; ++ return SZ_ERROR_DATA; ++ } ++ checkEndMarkNow = 1; ++ } ++ ++ if (p->needInitState) ++ LzmaDec_InitStateReal(p); ++ ++ if (p->tempBufSize == 0) ++ { ++ SizeT processed; ++ const Byte *bufLimit; ++ if (inSize < LZMA_REQUIRED_INPUT_MAX || checkEndMarkNow) ++ { ++ int dummyRes = LzmaDec_TryDummy(p, src, inSize); ++ if (dummyRes == DUMMY_ERROR) ++ { ++ memcpy(p->tempBuf, src, inSize); ++ p->tempBufSize = (unsigned)inSize; ++ (*srcLen) += inSize; ++ *status = LZMA_STATUS_NEEDS_MORE_INPUT; ++ return SZ_OK; ++ } ++ if (checkEndMarkNow && dummyRes != DUMMY_MATCH) ++ { ++ *status = LZMA_STATUS_NOT_FINISHED; ++ return SZ_ERROR_DATA; ++ } ++ bufLimit = src; ++ } ++ else ++ bufLimit = src + inSize - LZMA_REQUIRED_INPUT_MAX; ++ p->buf = src; ++ if (LzmaDec_DecodeReal2(p, dicLimit, bufLimit) != 0) ++ return SZ_ERROR_DATA; ++ processed = (SizeT)(p->buf - src); ++ (*srcLen) += processed; ++ src += processed; ++ inSize -= processed; ++ } ++ else ++ { ++ unsigned rem = p->tempBufSize, lookAhead = 0; ++ while (rem < LZMA_REQUIRED_INPUT_MAX && lookAhead < inSize) ++ p->tempBuf[rem++] = src[lookAhead++]; ++ p->tempBufSize = rem; ++ if (rem < LZMA_REQUIRED_INPUT_MAX || checkEndMarkNow) ++ { ++ int dummyRes = LzmaDec_TryDummy(p, p->tempBuf, rem); ++ if (dummyRes == DUMMY_ERROR) ++ { ++ (*srcLen) += lookAhead; ++ *status = LZMA_STATUS_NEEDS_MORE_INPUT; ++ return SZ_OK; ++ } ++ if (checkEndMarkNow && dummyRes != DUMMY_MATCH) ++ { ++ *status = LZMA_STATUS_NOT_FINISHED; ++ return SZ_ERROR_DATA; ++ } ++ } ++ p->buf = p->tempBuf; ++ if (LzmaDec_DecodeReal2(p, dicLimit, p->buf) != 0) ++ return SZ_ERROR_DATA; ++ lookAhead -= (rem - (unsigned)(p->buf - p->tempBuf)); ++ (*srcLen) += lookAhead; ++ src += lookAhead; ++ inSize -= lookAhead; ++ p->tempBufSize = 0; ++ } ++ } ++ if (p->code == 0) ++ *status = LZMA_STATUS_FINISHED_WITH_MARK; ++ return (p->code == 0) ? SZ_OK : SZ_ERROR_DATA; ++} ++ ++SRes LzmaDec_DecodeToBuf(CLzmaDec *p, Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status) ++{ ++ SizeT outSize = *destLen; ++ SizeT inSize = *srcLen; ++ *srcLen = *destLen = 0; ++ for (;;) ++ { ++ SizeT inSizeCur = inSize, outSizeCur, dicPos; ++ ELzmaFinishMode curFinishMode; ++ SRes res; ++ if (p->dicPos == p->dicBufSize) ++ p->dicPos = 0; ++ dicPos = p->dicPos; ++ if (outSize > p->dicBufSize - dicPos) ++ { ++ outSizeCur = p->dicBufSize; ++ curFinishMode = LZMA_FINISH_ANY; ++ } ++ else ++ { ++ outSizeCur = dicPos + outSize; ++ curFinishMode = finishMode; ++ } ++ ++ res = LzmaDec_DecodeToDic(p, outSizeCur, src, &inSizeCur, curFinishMode, status); ++ src += inSizeCur; ++ inSize -= inSizeCur; ++ *srcLen += inSizeCur; ++ outSizeCur = p->dicPos - dicPos; ++ memcpy(dest, p->dic + dicPos, outSizeCur); ++ dest += outSizeCur; ++ outSize -= outSizeCur; ++ *destLen += outSizeCur; ++ if (res != 0) ++ return res; ++ if (outSizeCur == 0 || outSize == 0) ++ return SZ_OK; ++ } ++} ++ ++void LzmaDec_FreeProbs(CLzmaDec *p, ISzAlloc *alloc) ++{ ++ alloc->Free(alloc, p->probs); ++ p->probs = 0; ++} ++ ++static void LzmaDec_FreeDict(CLzmaDec *p, ISzAlloc *alloc) ++{ ++ alloc->Free(alloc, p->dic); ++ p->dic = 0; ++} ++ ++void LzmaDec_Free(CLzmaDec *p, ISzAlloc *alloc) ++{ ++ LzmaDec_FreeProbs(p, alloc); ++ LzmaDec_FreeDict(p, alloc); ++} ++ ++SRes LzmaProps_Decode(CLzmaProps *p, const Byte *data, unsigned size) ++{ ++ UInt32 dicSize; ++ Byte d; ++ ++ if (size < LZMA_PROPS_SIZE) ++ return SZ_ERROR_UNSUPPORTED; ++ else ++ dicSize = data[1] | ((UInt32)data[2] << 8) | ((UInt32)data[3] << 16) | ((UInt32)data[4] << 24); ++ ++ if (dicSize < LZMA_DIC_MIN) ++ dicSize = LZMA_DIC_MIN; ++ p->dicSize = dicSize; ++ ++ d = data[0]; ++ if (d >= (9 * 5 * 5)) ++ return SZ_ERROR_UNSUPPORTED; ++ ++ p->lc = d % 9; ++ d /= 9; ++ p->pb = d / 5; ++ p->lp = d % 5; ++ ++ return SZ_OK; ++} ++ ++static SRes LzmaDec_AllocateProbs2(CLzmaDec *p, const CLzmaProps *propNew, ISzAlloc *alloc) ++{ ++ UInt32 numProbs = LzmaProps_GetNumProbs(propNew); ++ if (p->probs == 0 || numProbs != p->numProbs) ++ { ++ LzmaDec_FreeProbs(p, alloc); ++ p->probs = (CLzmaProb *)alloc->Alloc(alloc, numProbs * sizeof(CLzmaProb)); ++ p->numProbs = numProbs; ++ if (p->probs == 0) ++ return SZ_ERROR_MEM; ++ } ++ return SZ_OK; ++} ++ ++SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc) ++{ ++ CLzmaProps propNew; ++ RINOK(LzmaProps_Decode(&propNew, props, propsSize)); ++ RINOK(LzmaDec_AllocateProbs2(p, &propNew, alloc)); ++ p->prop = propNew; ++ return SZ_OK; ++} ++ ++SRes LzmaDec_Allocate(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc) ++{ ++ CLzmaProps propNew; ++ SizeT dicBufSize; ++ RINOK(LzmaProps_Decode(&propNew, props, propsSize)); ++ RINOK(LzmaDec_AllocateProbs2(p, &propNew, alloc)); ++ dicBufSize = propNew.dicSize; ++ if (p->dic == 0 || dicBufSize != p->dicBufSize) ++ { ++ LzmaDec_FreeDict(p, alloc); ++ p->dic = (Byte *)alloc->Alloc(alloc, dicBufSize); ++ if (p->dic == 0) ++ { ++ LzmaDec_FreeProbs(p, alloc); ++ return SZ_ERROR_MEM; ++ } ++ } ++ p->dicBufSize = dicBufSize; ++ p->prop = propNew; ++ return SZ_OK; ++} ++ ++SRes LzmaDecode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, ++ const Byte *propData, unsigned propSize, ELzmaFinishMode finishMode, ++ ELzmaStatus *status, ISzAlloc *alloc) ++{ ++ CLzmaDec p; ++ SRes res; ++ SizeT inSize = *srcLen; ++ SizeT outSize = *destLen; ++ *srcLen = *destLen = 0; ++ if (inSize < RC_INIT_SIZE) ++ return SZ_ERROR_INPUT_EOF; ++ ++ LzmaDec_Construct(&p); ++ res = LzmaDec_AllocateProbs(&p, propData, propSize, alloc); ++ if (res != 0) ++ return res; ++ p.dic = dest; ++ p.dicBufSize = outSize; ++ ++ LzmaDec_Init(&p); ++ ++ *srcLen = inSize; ++ res = LzmaDec_DecodeToDic(&p, outSize, src, srcLen, finishMode, status); ++ ++ if (res == SZ_OK && *status == LZMA_STATUS_NEEDS_MORE_INPUT) ++ res = SZ_ERROR_INPUT_EOF; ++ ++ (*destLen) = p.dicPos; ++ LzmaDec_FreeProbs(&p, alloc); ++ return res; ++} +--- /dev/null ++++ b/lib/lzma/LzmaEnc.c +@@ -0,0 +1,2271 @@ ++/* LzmaEnc.c -- LZMA Encoder ++2009-11-24 : Igor Pavlov : Public domain */ ++ ++#include <string.h> ++ ++/* #define SHOW_STAT */ ++/* #define SHOW_STAT2 */ ++ ++#if defined(SHOW_STAT) || defined(SHOW_STAT2) ++#include <stdio.h> ++#endif ++ ++#include "LzmaEnc.h" ++ ++/* disable MT */ ++#define _7ZIP_ST ++ ++#include "LzFind.h" ++#ifndef _7ZIP_ST ++#include "LzFindMt.h" ++#endif ++ ++#ifdef SHOW_STAT ++static int ttt = 0; ++#endif ++ ++#define kBlockSizeMax ((1 << LZMA_NUM_BLOCK_SIZE_BITS) - 1) ++ ++#define kBlockSize (9 << 10) ++#define kUnpackBlockSize (1 << 18) ++#define kMatchArraySize (1 << 21) ++#define kMatchRecordMaxSize ((LZMA_MATCH_LEN_MAX * 2 + 3) * LZMA_MATCH_LEN_MAX) ++ ++#define kNumMaxDirectBits (31) ++ ++#define kNumTopBits 24 ++#define kTopValue ((UInt32)1 << kNumTopBits) ++ ++#define kNumBitModelTotalBits 11 ++#define kBitModelTotal (1 << kNumBitModelTotalBits) ++#define kNumMoveBits 5 ++#define kProbInitValue (kBitModelTotal >> 1) ++ ++#define kNumMoveReducingBits 4 ++#define kNumBitPriceShiftBits 4 ++#define kBitPrice (1 << kNumBitPriceShiftBits) ++ ++void LzmaEncProps_Init(CLzmaEncProps *p) ++{ ++ p->level = 5; ++ p->dictSize = p->mc = 0; ++ p->lc = p->lp = p->pb = p->algo = p->fb = p->btMode = p->numHashBytes = p->numThreads = -1; ++ p->writeEndMark = 0; ++} ++ ++void LzmaEncProps_Normalize(CLzmaEncProps *p) ++{ ++ int level = p->level; ++ if (level < 0) level = 5; ++ p->level = level; ++ if (p->dictSize == 0) p->dictSize = (level <= 5 ? (1 << (level * 2 + 14)) : (level == 6 ? (1 << 25) : (1 << 26))); ++ if (p->lc < 0) p->lc = 3; ++ if (p->lp < 0) p->lp = 0; ++ if (p->pb < 0) p->pb = 2; ++ if (p->algo < 0) p->algo = (level < 5 ? 0 : 1); ++ if (p->fb < 0) p->fb = (level < 7 ? 32 : 64); ++ if (p->btMode < 0) p->btMode = (p->algo == 0 ? 0 : 1); ++ if (p->numHashBytes < 0) p->numHashBytes = 4; ++ if (p->mc == 0) p->mc = (16 + (p->fb >> 1)) >> (p->btMode ? 0 : 1); ++ if (p->numThreads < 0) ++ p->numThreads = ++ #ifndef _7ZIP_ST ++ ((p->btMode && p->algo) ? 2 : 1); ++ #else ++ 1; ++ #endif ++} ++ ++UInt32 LzmaEncProps_GetDictSize(const CLzmaEncProps *props2) ++{ ++ CLzmaEncProps props = *props2; ++ LzmaEncProps_Normalize(&props); ++ return props.dictSize; ++} ++ ++/* #define LZMA_LOG_BSR */ ++/* Define it for Intel's CPU */ ++ ++ ++#ifdef LZMA_LOG_BSR ++ ++#define kDicLogSizeMaxCompress 30 ++ ++#define BSR2_RET(pos, res) { unsigned long i; _BitScanReverse(&i, (pos)); res = (i + i) + ((pos >> (i - 1)) & 1); } ++ ++UInt32 GetPosSlot1(UInt32 pos) ++{ ++ UInt32 res; ++ BSR2_RET(pos, res); ++ return res; ++} ++#define GetPosSlot2(pos, res) { BSR2_RET(pos, res); } ++#define GetPosSlot(pos, res) { if (pos < 2) res = pos; else BSR2_RET(pos, res); } ++ ++#else ++ ++#define kNumLogBits (9 + (int)sizeof(size_t) / 2) ++#define kDicLogSizeMaxCompress ((kNumLogBits - 1) * 2 + 7) ++ ++void LzmaEnc_FastPosInit(Byte *g_FastPos) ++{ ++ int c = 2, slotFast; ++ g_FastPos[0] = 0; ++ g_FastPos[1] = 1; ++ ++ for (slotFast = 2; slotFast < kNumLogBits * 2; slotFast++) ++ { ++ UInt32 k = (1 << ((slotFast >> 1) - 1)); ++ UInt32 j; ++ for (j = 0; j < k; j++, c++) ++ g_FastPos[c] = (Byte)slotFast; ++ } ++} ++ ++#define BSR2_RET(pos, res) { UInt32 i = 6 + ((kNumLogBits - 1) & \ ++ (0 - (((((UInt32)1 << (kNumLogBits + 6)) - 1) - pos) >> 31))); \ ++ res = p->g_FastPos[pos >> i] + (i * 2); } ++/* ++#define BSR2_RET(pos, res) { res = (pos < (1 << (kNumLogBits + 6))) ? \ ++ p->g_FastPos[pos >> 6] + 12 : \ ++ p->g_FastPos[pos >> (6 + kNumLogBits - 1)] + (6 + (kNumLogBits - 1)) * 2; } ++*/ ++ ++#define GetPosSlot1(pos) p->g_FastPos[pos] ++#define GetPosSlot2(pos, res) { BSR2_RET(pos, res); } ++#define GetPosSlot(pos, res) { if (pos < kNumFullDistances) res = p->g_FastPos[pos]; else BSR2_RET(pos, res); } ++ ++#endif ++ ++ ++#define LZMA_NUM_REPS 4 ++ ++typedef unsigned CState; ++ ++typedef struct ++{ ++ UInt32 price; ++ ++ CState state; ++ int prev1IsChar; ++ int prev2; ++ ++ UInt32 posPrev2; ++ UInt32 backPrev2; ++ ++ UInt32 posPrev; ++ UInt32 backPrev; ++ UInt32 backs[LZMA_NUM_REPS]; ++} COptimal; ++ ++#define kNumOpts (1 << 12) ++ ++#define kNumLenToPosStates 4 ++#define kNumPosSlotBits 6 ++#define kDicLogSizeMin 0 ++#define kDicLogSizeMax 32 ++#define kDistTableSizeMax (kDicLogSizeMax * 2) ++ ++ ++#define kNumAlignBits 4 ++#define kAlignTableSize (1 << kNumAlignBits) ++#define kAlignMask (kAlignTableSize - 1) ++ ++#define kStartPosModelIndex 4 ++#define kEndPosModelIndex 14 ++#define kNumPosModels (kEndPosModelIndex - kStartPosModelIndex) ++ ++#define kNumFullDistances (1 << (kEndPosModelIndex >> 1)) ++ ++#ifdef _LZMA_PROB32 ++#define CLzmaProb UInt32 ++#else ++#define CLzmaProb UInt16 ++#endif ++ ++#define LZMA_PB_MAX 4 ++#define LZMA_LC_MAX 8 ++#define LZMA_LP_MAX 4 ++ ++#define LZMA_NUM_PB_STATES_MAX (1 << LZMA_PB_MAX) ++ ++ ++#define kLenNumLowBits 3 ++#define kLenNumLowSymbols (1 << kLenNumLowBits) ++#define kLenNumMidBits 3 ++#define kLenNumMidSymbols (1 << kLenNumMidBits) ++#define kLenNumHighBits 8 ++#define kLenNumHighSymbols (1 << kLenNumHighBits) ++ ++#define kLenNumSymbolsTotal (kLenNumLowSymbols + kLenNumMidSymbols + kLenNumHighSymbols) ++ ++#define LZMA_MATCH_LEN_MIN 2 ++#define LZMA_MATCH_LEN_MAX (LZMA_MATCH_LEN_MIN + kLenNumSymbolsTotal - 1) ++ ++#define kNumStates 12 ++ ++typedef struct ++{ ++ CLzmaProb choice; ++ CLzmaProb choice2; ++ CLzmaProb low[LZMA_NUM_PB_STATES_MAX << kLenNumLowBits]; ++ CLzmaProb mid[LZMA_NUM_PB_STATES_MAX << kLenNumMidBits]; ++ CLzmaProb high[kLenNumHighSymbols]; ++} CLenEnc; ++ ++typedef struct ++{ ++ CLenEnc p; ++ UInt32 prices[LZMA_NUM_PB_STATES_MAX][kLenNumSymbolsTotal]; ++ UInt32 tableSize; ++ UInt32 counters[LZMA_NUM_PB_STATES_MAX]; ++} CLenPriceEnc; ++ ++typedef struct ++{ ++ UInt32 range; ++ Byte cache; ++ UInt64 low; ++ UInt64 cacheSize; ++ Byte *buf; ++ Byte *bufLim; ++ Byte *bufBase; ++ ISeqOutStream *outStream; ++ UInt64 processed; ++ SRes res; ++} CRangeEnc; ++ ++typedef struct ++{ ++ CLzmaProb *litProbs; ++ ++ CLzmaProb isMatch[kNumStates][LZMA_NUM_PB_STATES_MAX]; ++ CLzmaProb isRep[kNumStates]; ++ CLzmaProb isRepG0[kNumStates]; ++ CLzmaProb isRepG1[kNumStates]; ++ CLzmaProb isRepG2[kNumStates]; ++ CLzmaProb isRep0Long[kNumStates][LZMA_NUM_PB_STATES_MAX]; ++ ++ CLzmaProb posSlotEncoder[kNumLenToPosStates][1 << kNumPosSlotBits]; ++ CLzmaProb posEncoders[kNumFullDistances - kEndPosModelIndex]; ++ CLzmaProb posAlignEncoder[1 << kNumAlignBits]; ++ ++ CLenPriceEnc lenEnc; ++ CLenPriceEnc repLenEnc; ++ ++ UInt32 reps[LZMA_NUM_REPS]; ++ UInt32 state; ++} CSaveState; ++ ++typedef struct ++{ ++ IMatchFinder matchFinder; ++ void *matchFinderObj; ++ ++ #ifndef _7ZIP_ST ++ Bool mtMode; ++ CMatchFinderMt matchFinderMt; ++ #endif ++ ++ CMatchFinder matchFinderBase; ++ ++ #ifndef _7ZIP_ST ++ Byte pad[128]; ++ #endif ++ ++ UInt32 optimumEndIndex; ++ UInt32 optimumCurrentIndex; ++ ++ UInt32 longestMatchLength; ++ UInt32 numPairs; ++ UInt32 numAvail; ++ COptimal opt[kNumOpts]; ++ ++ #ifndef LZMA_LOG_BSR ++ Byte g_FastPos[1 << kNumLogBits]; ++ #endif ++ ++ UInt32 ProbPrices[kBitModelTotal >> kNumMoveReducingBits]; ++ UInt32 matches[LZMA_MATCH_LEN_MAX * 2 + 2 + 1]; ++ UInt32 numFastBytes; ++ UInt32 additionalOffset; ++ UInt32 reps[LZMA_NUM_REPS]; ++ UInt32 state; ++ ++ UInt32 posSlotPrices[kNumLenToPosStates][kDistTableSizeMax]; ++ UInt32 distancesPrices[kNumLenToPosStates][kNumFullDistances]; ++ UInt32 alignPrices[kAlignTableSize]; ++ UInt32 alignPriceCount; ++ ++ UInt32 distTableSize; ++ ++ unsigned lc, lp, pb; ++ unsigned lpMask, pbMask; ++ ++ CLzmaProb *litProbs; ++ ++ CLzmaProb isMatch[kNumStates][LZMA_NUM_PB_STATES_MAX]; ++ CLzmaProb isRep[kNumStates]; ++ CLzmaProb isRepG0[kNumStates]; ++ CLzmaProb isRepG1[kNumStates]; ++ CLzmaProb isRepG2[kNumStates]; ++ CLzmaProb isRep0Long[kNumStates][LZMA_NUM_PB_STATES_MAX]; ++ ++ CLzmaProb posSlotEncoder[kNumLenToPosStates][1 << kNumPosSlotBits]; ++ CLzmaProb posEncoders[kNumFullDistances - kEndPosModelIndex]; ++ CLzmaProb posAlignEncoder[1 << kNumAlignBits]; ++ ++ CLenPriceEnc lenEnc; ++ CLenPriceEnc repLenEnc; ++ ++ unsigned lclp; ++ ++ Bool fastMode; ++ ++ CRangeEnc rc; ++ ++ Bool writeEndMark; ++ UInt64 nowPos64; ++ UInt32 matchPriceCount; ++ Bool finished; ++ Bool multiThread; ++ ++ SRes result; ++ UInt32 dictSize; ++ UInt32 matchFinderCycles; ++ ++ int needInit; ++ ++ CSaveState saveState; ++} CLzmaEnc; ++ ++void LzmaEnc_SaveState(CLzmaEncHandle pp) ++{ ++ CLzmaEnc *p = (CLzmaEnc *)pp; ++ CSaveState *dest = &p->saveState; ++ int i; ++ dest->lenEnc = p->lenEnc; ++ dest->repLenEnc = p->repLenEnc; ++ dest->state = p->state; ++ ++ for (i = 0; i < kNumStates; i++) ++ { ++ memcpy(dest->isMatch[i], p->isMatch[i], sizeof(p->isMatch[i])); ++ memcpy(dest->isRep0Long[i], p->isRep0Long[i], sizeof(p->isRep0Long[i])); ++ } ++ for (i = 0; i < kNumLenToPosStates; i++) ++ memcpy(dest->posSlotEncoder[i], p->posSlotEncoder[i], sizeof(p->posSlotEncoder[i])); ++ memcpy(dest->isRep, p->isRep, sizeof(p->isRep)); ++ memcpy(dest->isRepG0, p->isRepG0, sizeof(p->isRepG0)); ++ memcpy(dest->isRepG1, p->isRepG1, sizeof(p->isRepG1)); ++ memcpy(dest->isRepG2, p->isRepG2, sizeof(p->isRepG2)); ++ memcpy(dest->posEncoders, p->posEncoders, sizeof(p->posEncoders)); ++ memcpy(dest->posAlignEncoder, p->posAlignEncoder, sizeof(p->posAlignEncoder)); ++ memcpy(dest->reps, p->reps, sizeof(p->reps)); ++ memcpy(dest->litProbs, p->litProbs, (0x300 << p->lclp) * sizeof(CLzmaProb)); ++} ++ ++void LzmaEnc_RestoreState(CLzmaEncHandle pp) ++{ ++ CLzmaEnc *dest = (CLzmaEnc *)pp; ++ const CSaveState *p = &dest->saveState; ++ int i; ++ dest->lenEnc = p->lenEnc; ++ dest->repLenEnc = p->repLenEnc; ++ dest->state = p->state; ++ ++ for (i = 0; i < kNumStates; i++) ++ { ++ memcpy(dest->isMatch[i], p->isMatch[i], sizeof(p->isMatch[i])); ++ memcpy(dest->isRep0Long[i], p->isRep0Long[i], sizeof(p->isRep0Long[i])); ++ } ++ for (i = 0; i < kNumLenToPosStates; i++) ++ memcpy(dest->posSlotEncoder[i], p->posSlotEncoder[i], sizeof(p->posSlotEncoder[i])); ++ memcpy(dest->isRep, p->isRep, sizeof(p->isRep)); ++ memcpy(dest->isRepG0, p->isRepG0, sizeof(p->isRepG0)); ++ memcpy(dest->isRepG1, p->isRepG1, sizeof(p->isRepG1)); ++ memcpy(dest->isRepG2, p->isRepG2, sizeof(p->isRepG2)); ++ memcpy(dest->posEncoders, p->posEncoders, sizeof(p->posEncoders)); ++ memcpy(dest->posAlignEncoder, p->posAlignEncoder, sizeof(p->posAlignEncoder)); ++ memcpy(dest->reps, p->reps, sizeof(p->reps)); ++ memcpy(dest->litProbs, p->litProbs, (0x300 << dest->lclp) * sizeof(CLzmaProb)); ++} ++ ++SRes LzmaEnc_SetProps(CLzmaEncHandle pp, const CLzmaEncProps *props2) ++{ ++ CLzmaEnc *p = (CLzmaEnc *)pp; ++ CLzmaEncProps props = *props2; ++ LzmaEncProps_Normalize(&props); ++ ++ if (props.lc > LZMA_LC_MAX || props.lp > LZMA_LP_MAX || props.pb > LZMA_PB_MAX || ++ props.dictSize > (1 << kDicLogSizeMaxCompress) || props.dictSize > (1 << 30)) ++ return SZ_ERROR_PARAM; ++ p->dictSize = props.dictSize; ++ p->matchFinderCycles = props.mc; ++ { ++ unsigned fb = props.fb; ++ if (fb < 5) ++ fb = 5; ++ if (fb > LZMA_MATCH_LEN_MAX) ++ fb = LZMA_MATCH_LEN_MAX; ++ p->numFastBytes = fb; ++ } ++ p->lc = props.lc; ++ p->lp = props.lp; ++ p->pb = props.pb; ++ p->fastMode = (props.algo == 0); ++ p->matchFinderBase.btMode = props.btMode; ++ { ++ UInt32 numHashBytes = 4; ++ if (props.btMode) ++ { ++ if (props.numHashBytes < 2) ++ numHashBytes = 2; ++ else if (props.numHashBytes < 4) ++ numHashBytes = props.numHashBytes; ++ } ++ p->matchFinderBase.numHashBytes = numHashBytes; ++ } ++ ++ p->matchFinderBase.cutValue = props.mc; ++ ++ p->writeEndMark = props.writeEndMark; ++ ++ #ifndef _7ZIP_ST ++ /* ++ if (newMultiThread != _multiThread) ++ { ++ ReleaseMatchFinder(); ++ _multiThread = newMultiThread; ++ } ++ */ ++ p->multiThread = (props.numThreads > 1); ++ #endif ++ ++ return SZ_OK; ++} ++ ++static const int kLiteralNextStates[kNumStates] = {0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 4, 5}; ++static const int kMatchNextStates[kNumStates] = {7, 7, 7, 7, 7, 7, 7, 10, 10, 10, 10, 10}; ++static const int kRepNextStates[kNumStates] = {8, 8, 8, 8, 8, 8, 8, 11, 11, 11, 11, 11}; ++static const int kShortRepNextStates[kNumStates]= {9, 9, 9, 9, 9, 9, 9, 11, 11, 11, 11, 11}; ++ ++#define IsCharState(s) ((s) < 7) ++ ++#define GetLenToPosState(len) (((len) < kNumLenToPosStates + 1) ? (len) - 2 : kNumLenToPosStates - 1) ++ ++#define kInfinityPrice (1 << 30) ++ ++static void RangeEnc_Construct(CRangeEnc *p) ++{ ++ p->outStream = 0; ++ p->bufBase = 0; ++} ++ ++#define RangeEnc_GetProcessed(p) ((p)->processed + ((p)->buf - (p)->bufBase) + (p)->cacheSize) ++ ++#define RC_BUF_SIZE (1 << 16) ++static int RangeEnc_Alloc(CRangeEnc *p, ISzAlloc *alloc) ++{ ++ if (p->bufBase == 0) ++ { ++ p->bufBase = (Byte *)alloc->Alloc(alloc, RC_BUF_SIZE); ++ if (p->bufBase == 0) ++ return 0; ++ p->bufLim = p->bufBase + RC_BUF_SIZE; ++ } ++ return 1; ++} ++ ++static void RangeEnc_Free(CRangeEnc *p, ISzAlloc *alloc) ++{ ++ alloc->Free(alloc, p->bufBase); ++ p->bufBase = 0; ++} ++ ++static void RangeEnc_Init(CRangeEnc *p) ++{ ++ /* Stream.Init(); */ ++ p->low = 0; ++ p->range = 0xFFFFFFFF; ++ p->cacheSize = 1; ++ p->cache = 0; ++ ++ p->buf = p->bufBase; ++ ++ p->processed = 0; ++ p->res = SZ_OK; ++} ++ ++static void RangeEnc_FlushStream(CRangeEnc *p) ++{ ++ size_t num; ++ if (p->res != SZ_OK) ++ return; ++ num = p->buf - p->bufBase; ++ if (num != p->outStream->Write(p->outStream, p->bufBase, num)) ++ p->res = SZ_ERROR_WRITE; ++ p->processed += num; ++ p->buf = p->bufBase; ++} ++ ++static void MY_FAST_CALL RangeEnc_ShiftLow(CRangeEnc *p) ++{ ++ if ((UInt32)p->low < (UInt32)0xFF000000 || (int)(p->low >> 32) != 0) ++ { ++ Byte temp = p->cache; ++ do ++ { ++ Byte *buf = p->buf; ++ *buf++ = (Byte)(temp + (Byte)(p->low >> 32)); ++ p->buf = buf; ++ if (buf == p->bufLim) ++ RangeEnc_FlushStream(p); ++ temp = 0xFF; ++ } ++ while (--p->cacheSize != 0); ++ p->cache = (Byte)((UInt32)p->low >> 24); ++ } ++ p->cacheSize++; ++ p->low = (UInt32)p->low << 8; ++} ++ ++static void RangeEnc_FlushData(CRangeEnc *p) ++{ ++ int i; ++ for (i = 0; i < 5; i++) ++ RangeEnc_ShiftLow(p); ++} ++ ++static void RangeEnc_EncodeDirectBits(CRangeEnc *p, UInt32 value, int numBits) ++{ ++ do ++ { ++ p->range >>= 1; ++ p->low += p->range & (0 - ((value >> --numBits) & 1)); ++ if (p->range < kTopValue) ++ { ++ p->range <<= 8; ++ RangeEnc_ShiftLow(p); ++ } ++ } ++ while (numBits != 0); ++} ++ ++static void RangeEnc_EncodeBit(CRangeEnc *p, CLzmaProb *prob, UInt32 symbol) ++{ ++ UInt32 ttt = *prob; ++ UInt32 newBound = (p->range >> kNumBitModelTotalBits) * ttt; ++ if (symbol == 0) ++ { ++ p->range = newBound; ++ ttt += (kBitModelTotal - ttt) >> kNumMoveBits; ++ } ++ else ++ { ++ p->low += newBound; ++ p->range -= newBound; ++ ttt -= ttt >> kNumMoveBits; ++ } ++ *prob = (CLzmaProb)ttt; ++ if (p->range < kTopValue) ++ { ++ p->range <<= 8; ++ RangeEnc_ShiftLow(p); ++ } ++} ++ ++static void LitEnc_Encode(CRangeEnc *p, CLzmaProb *probs, UInt32 symbol) ++{ ++ symbol |= 0x100; ++ do ++ { ++ RangeEnc_EncodeBit(p, probs + (symbol >> 8), (symbol >> 7) & 1); ++ symbol <<= 1; ++ } ++ while (symbol < 0x10000); ++} ++ ++static void LitEnc_EncodeMatched(CRangeEnc *p, CLzmaProb *probs, UInt32 symbol, UInt32 matchByte) ++{ ++ UInt32 offs = 0x100; ++ symbol |= 0x100; ++ do ++ { ++ matchByte <<= 1; ++ RangeEnc_EncodeBit(p, probs + (offs + (matchByte & offs) + (symbol >> 8)), (symbol >> 7) & 1); ++ symbol <<= 1; ++ offs &= ~(matchByte ^ symbol); ++ } ++ while (symbol < 0x10000); ++} ++ ++void LzmaEnc_InitPriceTables(UInt32 *ProbPrices) ++{ ++ UInt32 i; ++ for (i = (1 << kNumMoveReducingBits) / 2; i < kBitModelTotal; i += (1 << kNumMoveReducingBits)) ++ { ++ const int kCyclesBits = kNumBitPriceShiftBits; ++ UInt32 w = i; ++ UInt32 bitCount = 0; ++ int j; ++ for (j = 0; j < kCyclesBits; j++) ++ { ++ w = w * w; ++ bitCount <<= 1; ++ while (w >= ((UInt32)1 << 16)) ++ { ++ w >>= 1; ++ bitCount++; ++ } ++ } ++ ProbPrices[i >> kNumMoveReducingBits] = ((kNumBitModelTotalBits << kCyclesBits) - 15 - bitCount); ++ } ++} ++ ++ ++#define GET_PRICE(prob, symbol) \ ++ p->ProbPrices[((prob) ^ (((-(int)(symbol))) & (kBitModelTotal - 1))) >> kNumMoveReducingBits]; ++ ++#define GET_PRICEa(prob, symbol) \ ++ ProbPrices[((prob) ^ ((-((int)(symbol))) & (kBitModelTotal - 1))) >> kNumMoveReducingBits]; ++ ++#define GET_PRICE_0(prob) p->ProbPrices[(prob) >> kNumMoveReducingBits] ++#define GET_PRICE_1(prob) p->ProbPrices[((prob) ^ (kBitModelTotal - 1)) >> kNumMoveReducingBits] ++ ++#define GET_PRICE_0a(prob) ProbPrices[(prob) >> kNumMoveReducingBits] ++#define GET_PRICE_1a(prob) ProbPrices[((prob) ^ (kBitModelTotal - 1)) >> kNumMoveReducingBits] ++ ++static UInt32 LitEnc_GetPrice(const CLzmaProb *probs, UInt32 symbol, UInt32 *ProbPrices) ++{ ++ UInt32 price = 0; ++ symbol |= 0x100; ++ do ++ { ++ price += GET_PRICEa(probs[symbol >> 8], (symbol >> 7) & 1); ++ symbol <<= 1; ++ } ++ while (symbol < 0x10000); ++ return price; ++} ++ ++static UInt32 LitEnc_GetPriceMatched(const CLzmaProb *probs, UInt32 symbol, UInt32 matchByte, UInt32 *ProbPrices) ++{ ++ UInt32 price = 0; ++ UInt32 offs = 0x100; ++ symbol |= 0x100; ++ do ++ { ++ matchByte <<= 1; ++ price += GET_PRICEa(probs[offs + (matchByte & offs) + (symbol >> 8)], (symbol >> 7) & 1); ++ symbol <<= 1; ++ offs &= ~(matchByte ^ symbol); ++ } ++ while (symbol < 0x10000); ++ return price; ++} ++ ++ ++static void RcTree_Encode(CRangeEnc *rc, CLzmaProb *probs, int numBitLevels, UInt32 symbol) ++{ ++ UInt32 m = 1; ++ int i; ++ for (i = numBitLevels; i != 0;) ++ { ++ UInt32 bit; ++ i--; ++ bit = (symbol >> i) & 1; ++ RangeEnc_EncodeBit(rc, probs + m, bit); ++ m = (m << 1) | bit; ++ } ++} ++ ++static void RcTree_ReverseEncode(CRangeEnc *rc, CLzmaProb *probs, int numBitLevels, UInt32 symbol) ++{ ++ UInt32 m = 1; ++ int i; ++ for (i = 0; i < numBitLevels; i++) ++ { ++ UInt32 bit = symbol & 1; ++ RangeEnc_EncodeBit(rc, probs + m, bit); ++ m = (m << 1) | bit; ++ symbol >>= 1; ++ } ++} ++ ++static UInt32 RcTree_GetPrice(const CLzmaProb *probs, int numBitLevels, UInt32 symbol, UInt32 *ProbPrices) ++{ ++ UInt32 price = 0; ++ symbol |= (1 << numBitLevels); ++ while (symbol != 1) ++ { ++ price += GET_PRICEa(probs[symbol >> 1], symbol & 1); ++ symbol >>= 1; ++ } ++ return price; ++} ++ ++static UInt32 RcTree_ReverseGetPrice(const CLzmaProb *probs, int numBitLevels, UInt32 symbol, UInt32 *ProbPrices) ++{ ++ UInt32 price = 0; ++ UInt32 m = 1; ++ int i; ++ for (i = numBitLevels; i != 0; i--) ++ { ++ UInt32 bit = symbol & 1; ++ symbol >>= 1; ++ price += GET_PRICEa(probs[m], bit); ++ m = (m << 1) | bit; ++ } ++ return price; ++} ++ ++ ++static void LenEnc_Init(CLenEnc *p) ++{ ++ unsigned i; ++ p->choice = p->choice2 = kProbInitValue; ++ for (i = 0; i < (LZMA_NUM_PB_STATES_MAX << kLenNumLowBits); i++) ++ p->low[i] = kProbInitValue; ++ for (i = 0; i < (LZMA_NUM_PB_STATES_MAX << kLenNumMidBits); i++) ++ p->mid[i] = kProbInitValue; ++ for (i = 0; i < kLenNumHighSymbols; i++) ++ p->high[i] = kProbInitValue; ++} ++ ++static void LenEnc_Encode(CLenEnc *p, CRangeEnc *rc, UInt32 symbol, UInt32 posState) ++{ ++ if (symbol < kLenNumLowSymbols) ++ { ++ RangeEnc_EncodeBit(rc, &p->choice, 0); ++ RcTree_Encode(rc, p->low + (posState << kLenNumLowBits), kLenNumLowBits, symbol); ++ } ++ else ++ { ++ RangeEnc_EncodeBit(rc, &p->choice, 1); ++ if (symbol < kLenNumLowSymbols + kLenNumMidSymbols) ++ { ++ RangeEnc_EncodeBit(rc, &p->choice2, 0); ++ RcTree_Encode(rc, p->mid + (posState << kLenNumMidBits), kLenNumMidBits, symbol - kLenNumLowSymbols); ++ } ++ else ++ { ++ RangeEnc_EncodeBit(rc, &p->choice2, 1); ++ RcTree_Encode(rc, p->high, kLenNumHighBits, symbol - kLenNumLowSymbols - kLenNumMidSymbols); ++ } ++ } ++} ++ ++static void LenEnc_SetPrices(CLenEnc *p, UInt32 posState, UInt32 numSymbols, UInt32 *prices, UInt32 *ProbPrices) ++{ ++ UInt32 a0 = GET_PRICE_0a(p->choice); ++ UInt32 a1 = GET_PRICE_1a(p->choice); ++ UInt32 b0 = a1 + GET_PRICE_0a(p->choice2); ++ UInt32 b1 = a1 + GET_PRICE_1a(p->choice2); ++ UInt32 i = 0; ++ for (i = 0; i < kLenNumLowSymbols; i++) ++ { ++ if (i >= numSymbols) ++ return; ++ prices[i] = a0 + RcTree_GetPrice(p->low + (posState << kLenNumLowBits), kLenNumLowBits, i, ProbPrices); ++ } ++ for (; i < kLenNumLowSymbols + kLenNumMidSymbols; i++) ++ { ++ if (i >= numSymbols) ++ return; ++ prices[i] = b0 + RcTree_GetPrice(p->mid + (posState << kLenNumMidBits), kLenNumMidBits, i - kLenNumLowSymbols, ProbPrices); ++ } ++ for (; i < numSymbols; i++) ++ prices[i] = b1 + RcTree_GetPrice(p->high, kLenNumHighBits, i - kLenNumLowSymbols - kLenNumMidSymbols, ProbPrices); ++} ++ ++static void MY_FAST_CALL LenPriceEnc_UpdateTable(CLenPriceEnc *p, UInt32 posState, UInt32 *ProbPrices) ++{ ++ LenEnc_SetPrices(&p->p, posState, p->tableSize, p->prices[posState], ProbPrices); ++ p->counters[posState] = p->tableSize; ++} ++ ++static void LenPriceEnc_UpdateTables(CLenPriceEnc *p, UInt32 numPosStates, UInt32 *ProbPrices) ++{ ++ UInt32 posState; ++ for (posState = 0; posState < numPosStates; posState++) ++ LenPriceEnc_UpdateTable(p, posState, ProbPrices); ++} ++ ++static void LenEnc_Encode2(CLenPriceEnc *p, CRangeEnc *rc, UInt32 symbol, UInt32 posState, Bool updatePrice, UInt32 *ProbPrices) ++{ ++ LenEnc_Encode(&p->p, rc, symbol, posState); ++ if (updatePrice) ++ if (--p->counters[posState] == 0) ++ LenPriceEnc_UpdateTable(p, posState, ProbPrices); ++} ++ ++ ++ ++ ++static void MovePos(CLzmaEnc *p, UInt32 num) ++{ ++ #ifdef SHOW_STAT ++ ttt += num; ++ printf("\n MovePos %d", num); ++ #endif ++ if (num != 0) ++ { ++ p->additionalOffset += num; ++ p->matchFinder.Skip(p->matchFinderObj, num); ++ } ++} ++ ++static UInt32 ReadMatchDistances(CLzmaEnc *p, UInt32 *numDistancePairsRes) ++{ ++ UInt32 lenRes = 0, numPairs; ++ p->numAvail = p->matchFinder.GetNumAvailableBytes(p->matchFinderObj); ++ numPairs = p->matchFinder.GetMatches(p->matchFinderObj, p->matches); ++ #ifdef SHOW_STAT ++ printf("\n i = %d numPairs = %d ", ttt, numPairs / 2); ++ ttt++; ++ { ++ UInt32 i; ++ for (i = 0; i < numPairs; i += 2) ++ printf("%2d %6d | ", p->matches[i], p->matches[i + 1]); ++ } ++ #endif ++ if (numPairs > 0) ++ { ++ lenRes = p->matches[numPairs - 2]; ++ if (lenRes == p->numFastBytes) ++ { ++ const Byte *pby = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1; ++ UInt32 distance = p->matches[numPairs - 1] + 1; ++ UInt32 numAvail = p->numAvail; ++ if (numAvail > LZMA_MATCH_LEN_MAX) ++ numAvail = LZMA_MATCH_LEN_MAX; ++ { ++ const Byte *pby2 = pby - distance; ++ for (; lenRes < numAvail && pby[lenRes] == pby2[lenRes]; lenRes++); ++ } ++ } ++ } ++ p->additionalOffset++; ++ *numDistancePairsRes = numPairs; ++ return lenRes; ++} ++ ++ ++#define MakeAsChar(p) (p)->backPrev = (UInt32)(-1); (p)->prev1IsChar = False; ++#define MakeAsShortRep(p) (p)->backPrev = 0; (p)->prev1IsChar = False; ++#define IsShortRep(p) ((p)->backPrev == 0) ++ ++static UInt32 GetRepLen1Price(CLzmaEnc *p, UInt32 state, UInt32 posState) ++{ ++ return ++ GET_PRICE_0(p->isRepG0[state]) + ++ GET_PRICE_0(p->isRep0Long[state][posState]); ++} ++ ++static UInt32 GetPureRepPrice(CLzmaEnc *p, UInt32 repIndex, UInt32 state, UInt32 posState) ++{ ++ UInt32 price; ++ if (repIndex == 0) ++ { ++ price = GET_PRICE_0(p->isRepG0[state]); ++ price += GET_PRICE_1(p->isRep0Long[state][posState]); ++ } ++ else ++ { ++ price = GET_PRICE_1(p->isRepG0[state]); ++ if (repIndex == 1) ++ price += GET_PRICE_0(p->isRepG1[state]); ++ else ++ { ++ price += GET_PRICE_1(p->isRepG1[state]); ++ price += GET_PRICE(p->isRepG2[state], repIndex - 2); ++ } ++ } ++ return price; ++} ++ ++static UInt32 GetRepPrice(CLzmaEnc *p, UInt32 repIndex, UInt32 len, UInt32 state, UInt32 posState) ++{ ++ return p->repLenEnc.prices[posState][len - LZMA_MATCH_LEN_MIN] + ++ GetPureRepPrice(p, repIndex, state, posState); ++} ++ ++static UInt32 Backward(CLzmaEnc *p, UInt32 *backRes, UInt32 cur) ++{ ++ UInt32 posMem = p->opt[cur].posPrev; ++ UInt32 backMem = p->opt[cur].backPrev; ++ p->optimumEndIndex = cur; ++ do ++ { ++ if (p->opt[cur].prev1IsChar) ++ { ++ MakeAsChar(&p->opt[posMem]) ++ p->opt[posMem].posPrev = posMem - 1; ++ if (p->opt[cur].prev2) ++ { ++ p->opt[posMem - 1].prev1IsChar = False; ++ p->opt[posMem - 1].posPrev = p->opt[cur].posPrev2; ++ p->opt[posMem - 1].backPrev = p->opt[cur].backPrev2; ++ } ++ } ++ { ++ UInt32 posPrev = posMem; ++ UInt32 backCur = backMem; ++ ++ backMem = p->opt[posPrev].backPrev; ++ posMem = p->opt[posPrev].posPrev; ++ ++ p->opt[posPrev].backPrev = backCur; ++ p->opt[posPrev].posPrev = cur; ++ cur = posPrev; ++ } ++ } ++ while (cur != 0); ++ *backRes = p->opt[0].backPrev; ++ p->optimumCurrentIndex = p->opt[0].posPrev; ++ return p->optimumCurrentIndex; ++} ++ ++#define LIT_PROBS(pos, prevByte) (p->litProbs + ((((pos) & p->lpMask) << p->lc) + ((prevByte) >> (8 - p->lc))) * 0x300) ++ ++static UInt32 GetOptimum(CLzmaEnc *p, UInt32 position, UInt32 *backRes) ++{ ++ UInt32 numAvail, mainLen, numPairs, repMaxIndex, i, posState, lenEnd, len, cur; ++ UInt32 matchPrice, repMatchPrice, normalMatchPrice; ++ UInt32 reps[LZMA_NUM_REPS], repLens[LZMA_NUM_REPS]; ++ UInt32 *matches; ++ const Byte *data; ++ Byte curByte, matchByte; ++ if (p->optimumEndIndex != p->optimumCurrentIndex) ++ { ++ const COptimal *opt = &p->opt[p->optimumCurrentIndex]; ++ UInt32 lenRes = opt->posPrev - p->optimumCurrentIndex; ++ *backRes = opt->backPrev; ++ p->optimumCurrentIndex = opt->posPrev; ++ return lenRes; ++ } ++ p->optimumCurrentIndex = p->optimumEndIndex = 0; ++ ++ if (p->additionalOffset == 0) ++ mainLen = ReadMatchDistances(p, &numPairs); ++ else ++ { ++ mainLen = p->longestMatchLength; ++ numPairs = p->numPairs; ++ } ++ ++ numAvail = p->numAvail; ++ if (numAvail < 2) ++ { ++ *backRes = (UInt32)(-1); ++ return 1; ++ } ++ if (numAvail > LZMA_MATCH_LEN_MAX) ++ numAvail = LZMA_MATCH_LEN_MAX; ++ ++ data = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1; ++ repMaxIndex = 0; ++ for (i = 0; i < LZMA_NUM_REPS; i++) ++ { ++ UInt32 lenTest; ++ const Byte *data2; ++ reps[i] = p->reps[i]; ++ data2 = data - (reps[i] + 1); ++ if (data[0] != data2[0] || data[1] != data2[1]) ++ { ++ repLens[i] = 0; ++ continue; ++ } ++ for (lenTest = 2; lenTest < numAvail && data[lenTest] == data2[lenTest]; lenTest++); ++ repLens[i] = lenTest; ++ if (lenTest > repLens[repMaxIndex]) ++ repMaxIndex = i; ++ } ++ if (repLens[repMaxIndex] >= p->numFastBytes) ++ { ++ UInt32 lenRes; ++ *backRes = repMaxIndex; ++ lenRes = repLens[repMaxIndex]; ++ MovePos(p, lenRes - 1); ++ return lenRes; ++ } ++ ++ matches = p->matches; ++ if (mainLen >= p->numFastBytes) ++ { ++ *backRes = matches[numPairs - 1] + LZMA_NUM_REPS; ++ MovePos(p, mainLen - 1); ++ return mainLen; ++ } ++ curByte = *data; ++ matchByte = *(data - (reps[0] + 1)); ++ ++ if (mainLen < 2 && curByte != matchByte && repLens[repMaxIndex] < 2) ++ { ++ *backRes = (UInt32)-1; ++ return 1; ++ } ++ ++ p->opt[0].state = (CState)p->state; ++ ++ posState = (position & p->pbMask); ++ ++ { ++ const CLzmaProb *probs = LIT_PROBS(position, *(data - 1)); ++ p->opt[1].price = GET_PRICE_0(p->isMatch[p->state][posState]) + ++ (!IsCharState(p->state) ? ++ LitEnc_GetPriceMatched(probs, curByte, matchByte, p->ProbPrices) : ++ LitEnc_GetPrice(probs, curByte, p->ProbPrices)); ++ } ++ ++ MakeAsChar(&p->opt[1]); ++ ++ matchPrice = GET_PRICE_1(p->isMatch[p->state][posState]); ++ repMatchPrice = matchPrice + GET_PRICE_1(p->isRep[p->state]); ++ ++ if (matchByte == curByte) ++ { ++ UInt32 shortRepPrice = repMatchPrice + GetRepLen1Price(p, p->state, posState); ++ if (shortRepPrice < p->opt[1].price) ++ { ++ p->opt[1].price = shortRepPrice; ++ MakeAsShortRep(&p->opt[1]); ++ } ++ } ++ lenEnd = ((mainLen >= repLens[repMaxIndex]) ? mainLen : repLens[repMaxIndex]); ++ ++ if (lenEnd < 2) ++ { ++ *backRes = p->opt[1].backPrev; ++ return 1; ++ } ++ ++ p->opt[1].posPrev = 0; ++ for (i = 0; i < LZMA_NUM_REPS; i++) ++ p->opt[0].backs[i] = reps[i]; ++ ++ len = lenEnd; ++ do ++ p->opt[len--].price = kInfinityPrice; ++ while (len >= 2); ++ ++ for (i = 0; i < LZMA_NUM_REPS; i++) ++ { ++ UInt32 repLen = repLens[i]; ++ UInt32 price; ++ if (repLen < 2) ++ continue; ++ price = repMatchPrice + GetPureRepPrice(p, i, p->state, posState); ++ do ++ { ++ UInt32 curAndLenPrice = price + p->repLenEnc.prices[posState][repLen - 2]; ++ COptimal *opt = &p->opt[repLen]; ++ if (curAndLenPrice < opt->price) ++ { ++ opt->price = curAndLenPrice; ++ opt->posPrev = 0; ++ opt->backPrev = i; ++ opt->prev1IsChar = False; ++ } ++ } ++ while (--repLen >= 2); ++ } ++ ++ normalMatchPrice = matchPrice + GET_PRICE_0(p->isRep[p->state]); ++ ++ len = ((repLens[0] >= 2) ? repLens[0] + 1 : 2); ++ if (len <= mainLen) ++ { ++ UInt32 offs = 0; ++ while (len > matches[offs]) ++ offs += 2; ++ for (; ; len++) ++ { ++ COptimal *opt; ++ UInt32 distance = matches[offs + 1]; ++ ++ UInt32 curAndLenPrice = normalMatchPrice + p->lenEnc.prices[posState][len - LZMA_MATCH_LEN_MIN]; ++ UInt32 lenToPosState = GetLenToPosState(len); ++ if (distance < kNumFullDistances) ++ curAndLenPrice += p->distancesPrices[lenToPosState][distance]; ++ else ++ { ++ UInt32 slot; ++ GetPosSlot2(distance, slot); ++ curAndLenPrice += p->alignPrices[distance & kAlignMask] + p->posSlotPrices[lenToPosState][slot]; ++ } ++ opt = &p->opt[len]; ++ if (curAndLenPrice < opt->price) ++ { ++ opt->price = curAndLenPrice; ++ opt->posPrev = 0; ++ opt->backPrev = distance + LZMA_NUM_REPS; ++ opt->prev1IsChar = False; ++ } ++ if (len == matches[offs]) ++ { ++ offs += 2; ++ if (offs == numPairs) ++ break; ++ } ++ } ++ } ++ ++ cur = 0; ++ ++ #ifdef SHOW_STAT2 ++ if (position >= 0) ++ { ++ unsigned i; ++ printf("\n pos = %4X", position); ++ for (i = cur; i <= lenEnd; i++) ++ printf("\nprice[%4X] = %d", position - cur + i, p->opt[i].price); ++ } ++ #endif ++ ++ for (;;) ++ { ++ UInt32 numAvailFull, newLen, numPairs, posPrev, state, posState, startLen; ++ UInt32 curPrice, curAnd1Price, matchPrice, repMatchPrice; ++ Bool nextIsChar; ++ Byte curByte, matchByte; ++ const Byte *data; ++ COptimal *curOpt; ++ COptimal *nextOpt; ++ ++ cur++; ++ if (cur == lenEnd) ++ return Backward(p, backRes, cur); ++ ++ newLen = ReadMatchDistances(p, &numPairs); ++ if (newLen >= p->numFastBytes) ++ { ++ p->numPairs = numPairs; ++ p->longestMatchLength = newLen; ++ return Backward(p, backRes, cur); ++ } ++ position++; ++ curOpt = &p->opt[cur]; ++ posPrev = curOpt->posPrev; ++ if (curOpt->prev1IsChar) ++ { ++ posPrev--; ++ if (curOpt->prev2) ++ { ++ state = p->opt[curOpt->posPrev2].state; ++ if (curOpt->backPrev2 < LZMA_NUM_REPS) ++ state = kRepNextStates[state]; ++ else ++ state = kMatchNextStates[state]; ++ } ++ else ++ state = p->opt[posPrev].state; ++ state = kLiteralNextStates[state]; ++ } ++ else ++ state = p->opt[posPrev].state; ++ if (posPrev == cur - 1) ++ { ++ if (IsShortRep(curOpt)) ++ state = kShortRepNextStates[state]; ++ else ++ state = kLiteralNextStates[state]; ++ } ++ else ++ { ++ UInt32 pos; ++ const COptimal *prevOpt; ++ if (curOpt->prev1IsChar && curOpt->prev2) ++ { ++ posPrev = curOpt->posPrev2; ++ pos = curOpt->backPrev2; ++ state = kRepNextStates[state]; ++ } ++ else ++ { ++ pos = curOpt->backPrev; ++ if (pos < LZMA_NUM_REPS) ++ state = kRepNextStates[state]; ++ else ++ state = kMatchNextStates[state]; ++ } ++ prevOpt = &p->opt[posPrev]; ++ if (pos < LZMA_NUM_REPS) ++ { ++ UInt32 i; ++ reps[0] = prevOpt->backs[pos]; ++ for (i = 1; i <= pos; i++) ++ reps[i] = prevOpt->backs[i - 1]; ++ for (; i < LZMA_NUM_REPS; i++) ++ reps[i] = prevOpt->backs[i]; ++ } ++ else ++ { ++ UInt32 i; ++ reps[0] = (pos - LZMA_NUM_REPS); ++ for (i = 1; i < LZMA_NUM_REPS; i++) ++ reps[i] = prevOpt->backs[i - 1]; ++ } ++ } ++ curOpt->state = (CState)state; ++ ++ curOpt->backs[0] = reps[0]; ++ curOpt->backs[1] = reps[1]; ++ curOpt->backs[2] = reps[2]; ++ curOpt->backs[3] = reps[3]; ++ ++ curPrice = curOpt->price; ++ nextIsChar = False; ++ data = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1; ++ curByte = *data; ++ matchByte = *(data - (reps[0] + 1)); ++ ++ posState = (position & p->pbMask); ++ ++ curAnd1Price = curPrice + GET_PRICE_0(p->isMatch[state][posState]); ++ { ++ const CLzmaProb *probs = LIT_PROBS(position, *(data - 1)); ++ curAnd1Price += ++ (!IsCharState(state) ? ++ LitEnc_GetPriceMatched(probs, curByte, matchByte, p->ProbPrices) : ++ LitEnc_GetPrice(probs, curByte, p->ProbPrices)); ++ } ++ ++ nextOpt = &p->opt[cur + 1]; ++ ++ if (curAnd1Price < nextOpt->price) ++ { ++ nextOpt->price = curAnd1Price; ++ nextOpt->posPrev = cur; ++ MakeAsChar(nextOpt); ++ nextIsChar = True; ++ } ++ ++ matchPrice = curPrice + GET_PRICE_1(p->isMatch[state][posState]); ++ repMatchPrice = matchPrice + GET_PRICE_1(p->isRep[state]); ++ ++ if (matchByte == curByte && !(nextOpt->posPrev < cur && nextOpt->backPrev == 0)) ++ { ++ UInt32 shortRepPrice = repMatchPrice + GetRepLen1Price(p, state, posState); ++ if (shortRepPrice <= nextOpt->price) ++ { ++ nextOpt->price = shortRepPrice; ++ nextOpt->posPrev = cur; ++ MakeAsShortRep(nextOpt); ++ nextIsChar = True; ++ } ++ } ++ numAvailFull = p->numAvail; ++ { ++ UInt32 temp = kNumOpts - 1 - cur; ++ if (temp < numAvailFull) ++ numAvailFull = temp; ++ } ++ ++ if (numAvailFull < 2) ++ continue; ++ numAvail = (numAvailFull <= p->numFastBytes ? numAvailFull : p->numFastBytes); ++ ++ if (!nextIsChar && matchByte != curByte) /* speed optimization */ ++ { ++ /* try Literal + rep0 */ ++ UInt32 temp; ++ UInt32 lenTest2; ++ const Byte *data2 = data - (reps[0] + 1); ++ UInt32 limit = p->numFastBytes + 1; ++ if (limit > numAvailFull) ++ limit = numAvailFull; ++ ++ for (temp = 1; temp < limit && data[temp] == data2[temp]; temp++); ++ lenTest2 = temp - 1; ++ if (lenTest2 >= 2) ++ { ++ UInt32 state2 = kLiteralNextStates[state]; ++ UInt32 posStateNext = (position + 1) & p->pbMask; ++ UInt32 nextRepMatchPrice = curAnd1Price + ++ GET_PRICE_1(p->isMatch[state2][posStateNext]) + ++ GET_PRICE_1(p->isRep[state2]); ++ /* for (; lenTest2 >= 2; lenTest2--) */ ++ { ++ UInt32 curAndLenPrice; ++ COptimal *opt; ++ UInt32 offset = cur + 1 + lenTest2; ++ while (lenEnd < offset) ++ p->opt[++lenEnd].price = kInfinityPrice; ++ curAndLenPrice = nextRepMatchPrice + GetRepPrice(p, 0, lenTest2, state2, posStateNext); ++ opt = &p->opt[offset]; ++ if (curAndLenPrice < opt->price) ++ { ++ opt->price = curAndLenPrice; ++ opt->posPrev = cur + 1; ++ opt->backPrev = 0; ++ opt->prev1IsChar = True; ++ opt->prev2 = False; ++ } ++ } ++ } ++ } ++ ++ startLen = 2; /* speed optimization */ ++ { ++ UInt32 repIndex; ++ for (repIndex = 0; repIndex < LZMA_NUM_REPS; repIndex++) ++ { ++ UInt32 lenTest; ++ UInt32 lenTestTemp; ++ UInt32 price; ++ const Byte *data2 = data - (reps[repIndex] + 1); ++ if (data[0] != data2[0] || data[1] != data2[1]) ++ continue; ++ for (lenTest = 2; lenTest < numAvail && data[lenTest] == data2[lenTest]; lenTest++); ++ while (lenEnd < cur + lenTest) ++ p->opt[++lenEnd].price = kInfinityPrice; ++ lenTestTemp = lenTest; ++ price = repMatchPrice + GetPureRepPrice(p, repIndex, state, posState); ++ do ++ { ++ UInt32 curAndLenPrice = price + p->repLenEnc.prices[posState][lenTest - 2]; ++ COptimal *opt = &p->opt[cur + lenTest]; ++ if (curAndLenPrice < opt->price) ++ { ++ opt->price = curAndLenPrice; ++ opt->posPrev = cur; ++ opt->backPrev = repIndex; ++ opt->prev1IsChar = False; ++ } ++ } ++ while (--lenTest >= 2); ++ lenTest = lenTestTemp; ++ ++ if (repIndex == 0) ++ startLen = lenTest + 1; ++ ++ /* if (_maxMode) */ ++ { ++ UInt32 lenTest2 = lenTest + 1; ++ UInt32 limit = lenTest2 + p->numFastBytes; ++ UInt32 nextRepMatchPrice; ++ if (limit > numAvailFull) ++ limit = numAvailFull; ++ for (; lenTest2 < limit && data[lenTest2] == data2[lenTest2]; lenTest2++); ++ lenTest2 -= lenTest + 1; ++ if (lenTest2 >= 2) ++ { ++ UInt32 state2 = kRepNextStates[state]; ++ UInt32 posStateNext = (position + lenTest) & p->pbMask; ++ UInt32 curAndLenCharPrice = ++ price + p->repLenEnc.prices[posState][lenTest - 2] + ++ GET_PRICE_0(p->isMatch[state2][posStateNext]) + ++ LitEnc_GetPriceMatched(LIT_PROBS(position + lenTest, data[lenTest - 1]), ++ data[lenTest], data2[lenTest], p->ProbPrices); ++ state2 = kLiteralNextStates[state2]; ++ posStateNext = (position + lenTest + 1) & p->pbMask; ++ nextRepMatchPrice = curAndLenCharPrice + ++ GET_PRICE_1(p->isMatch[state2][posStateNext]) + ++ GET_PRICE_1(p->isRep[state2]); ++ ++ /* for (; lenTest2 >= 2; lenTest2--) */ ++ { ++ UInt32 curAndLenPrice; ++ COptimal *opt; ++ UInt32 offset = cur + lenTest + 1 + lenTest2; ++ while (lenEnd < offset) ++ p->opt[++lenEnd].price = kInfinityPrice; ++ curAndLenPrice = nextRepMatchPrice + GetRepPrice(p, 0, lenTest2, state2, posStateNext); ++ opt = &p->opt[offset]; ++ if (curAndLenPrice < opt->price) ++ { ++ opt->price = curAndLenPrice; ++ opt->posPrev = cur + lenTest + 1; ++ opt->backPrev = 0; ++ opt->prev1IsChar = True; ++ opt->prev2 = True; ++ opt->posPrev2 = cur; ++ opt->backPrev2 = repIndex; ++ } ++ } ++ } ++ } ++ } ++ } ++ /* for (UInt32 lenTest = 2; lenTest <= newLen; lenTest++) */ ++ if (newLen > numAvail) ++ { ++ newLen = numAvail; ++ for (numPairs = 0; newLen > matches[numPairs]; numPairs += 2); ++ matches[numPairs] = newLen; ++ numPairs += 2; ++ } ++ if (newLen >= startLen) ++ { ++ UInt32 normalMatchPrice = matchPrice + GET_PRICE_0(p->isRep[state]); ++ UInt32 offs, curBack, posSlot; ++ UInt32 lenTest; ++ while (lenEnd < cur + newLen) ++ p->opt[++lenEnd].price = kInfinityPrice; ++ ++ offs = 0; ++ while (startLen > matches[offs]) ++ offs += 2; ++ curBack = matches[offs + 1]; ++ GetPosSlot2(curBack, posSlot); ++ for (lenTest = /*2*/ startLen; ; lenTest++) ++ { ++ UInt32 curAndLenPrice = normalMatchPrice + p->lenEnc.prices[posState][lenTest - LZMA_MATCH_LEN_MIN]; ++ UInt32 lenToPosState = GetLenToPosState(lenTest); ++ COptimal *opt; ++ if (curBack < kNumFullDistances) ++ curAndLenPrice += p->distancesPrices[lenToPosState][curBack]; ++ else ++ curAndLenPrice += p->posSlotPrices[lenToPosState][posSlot] + p->alignPrices[curBack & kAlignMask]; ++ ++ opt = &p->opt[cur + lenTest]; ++ if (curAndLenPrice < opt->price) ++ { ++ opt->price = curAndLenPrice; ++ opt->posPrev = cur; ++ opt->backPrev = curBack + LZMA_NUM_REPS; ++ opt->prev1IsChar = False; ++ } ++ ++ if (/*_maxMode && */lenTest == matches[offs]) ++ { ++ /* Try Match + Literal + Rep0 */ ++ const Byte *data2 = data - (curBack + 1); ++ UInt32 lenTest2 = lenTest + 1; ++ UInt32 limit = lenTest2 + p->numFastBytes; ++ UInt32 nextRepMatchPrice; ++ if (limit > numAvailFull) ++ limit = numAvailFull; ++ for (; lenTest2 < limit && data[lenTest2] == data2[lenTest2]; lenTest2++); ++ lenTest2 -= lenTest + 1; ++ if (lenTest2 >= 2) ++ { ++ UInt32 state2 = kMatchNextStates[state]; ++ UInt32 posStateNext = (position + lenTest) & p->pbMask; ++ UInt32 curAndLenCharPrice = curAndLenPrice + ++ GET_PRICE_0(p->isMatch[state2][posStateNext]) + ++ LitEnc_GetPriceMatched(LIT_PROBS(position + lenTest, data[lenTest - 1]), ++ data[lenTest], data2[lenTest], p->ProbPrices); ++ state2 = kLiteralNextStates[state2]; ++ posStateNext = (posStateNext + 1) & p->pbMask; ++ nextRepMatchPrice = curAndLenCharPrice + ++ GET_PRICE_1(p->isMatch[state2][posStateNext]) + ++ GET_PRICE_1(p->isRep[state2]); ++ ++ /* for (; lenTest2 >= 2; lenTest2--) */ ++ { ++ UInt32 offset = cur + lenTest + 1 + lenTest2; ++ UInt32 curAndLenPrice; ++ COptimal *opt; ++ while (lenEnd < offset) ++ p->opt[++lenEnd].price = kInfinityPrice; ++ curAndLenPrice = nextRepMatchPrice + GetRepPrice(p, 0, lenTest2, state2, posStateNext); ++ opt = &p->opt[offset]; ++ if (curAndLenPrice < opt->price) ++ { ++ opt->price = curAndLenPrice; ++ opt->posPrev = cur + lenTest + 1; ++ opt->backPrev = 0; ++ opt->prev1IsChar = True; ++ opt->prev2 = True; ++ opt->posPrev2 = cur; ++ opt->backPrev2 = curBack + LZMA_NUM_REPS; ++ } ++ } ++ } ++ offs += 2; ++ if (offs == numPairs) ++ break; ++ curBack = matches[offs + 1]; ++ if (curBack >= kNumFullDistances) ++ GetPosSlot2(curBack, posSlot); ++ } ++ } ++ } ++ } ++} ++ ++#define ChangePair(smallDist, bigDist) (((bigDist) >> 7) > (smallDist)) ++ ++static UInt32 GetOptimumFast(CLzmaEnc *p, UInt32 *backRes) ++{ ++ UInt32 numAvail, mainLen, mainDist, numPairs, repIndex, repLen, i; ++ const Byte *data; ++ const UInt32 *matches; ++ ++ if (p->additionalOffset == 0) ++ mainLen = ReadMatchDistances(p, &numPairs); ++ else ++ { ++ mainLen = p->longestMatchLength; ++ numPairs = p->numPairs; ++ } ++ ++ numAvail = p->numAvail; ++ *backRes = (UInt32)-1; ++ if (numAvail < 2) ++ return 1; ++ if (numAvail > LZMA_MATCH_LEN_MAX) ++ numAvail = LZMA_MATCH_LEN_MAX; ++ data = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1; ++ ++ repLen = repIndex = 0; ++ for (i = 0; i < LZMA_NUM_REPS; i++) ++ { ++ UInt32 len; ++ const Byte *data2 = data - (p->reps[i] + 1); ++ if (data[0] != data2[0] || data[1] != data2[1]) ++ continue; ++ for (len = 2; len < numAvail && data[len] == data2[len]; len++); ++ if (len >= p->numFastBytes) ++ { ++ *backRes = i; ++ MovePos(p, len - 1); ++ return len; ++ } ++ if (len > repLen) ++ { ++ repIndex = i; ++ repLen = len; ++ } ++ } ++ ++ matches = p->matches; ++ if (mainLen >= p->numFastBytes) ++ { ++ *backRes = matches[numPairs - 1] + LZMA_NUM_REPS; ++ MovePos(p, mainLen - 1); ++ return mainLen; ++ } ++ ++ mainDist = 0; /* for GCC */ ++ if (mainLen >= 2) ++ { ++ mainDist = matches[numPairs - 1]; ++ while (numPairs > 2 && mainLen == matches[numPairs - 4] + 1) ++ { ++ if (!ChangePair(matches[numPairs - 3], mainDist)) ++ break; ++ numPairs -= 2; ++ mainLen = matches[numPairs - 2]; ++ mainDist = matches[numPairs - 1]; ++ } ++ if (mainLen == 2 && mainDist >= 0x80) ++ mainLen = 1; ++ } ++ ++ if (repLen >= 2 && ( ++ (repLen + 1 >= mainLen) || ++ (repLen + 2 >= mainLen && mainDist >= (1 << 9)) || ++ (repLen + 3 >= mainLen && mainDist >= (1 << 15)))) ++ { ++ *backRes = repIndex; ++ MovePos(p, repLen - 1); ++ return repLen; ++ } ++ ++ if (mainLen < 2 || numAvail <= 2) ++ return 1; ++ ++ p->longestMatchLength = ReadMatchDistances(p, &p->numPairs); ++ if (p->longestMatchLength >= 2) ++ { ++ UInt32 newDistance = matches[p->numPairs - 1]; ++ if ((p->longestMatchLength >= mainLen && newDistance < mainDist) || ++ (p->longestMatchLength == mainLen + 1 && !ChangePair(mainDist, newDistance)) || ++ (p->longestMatchLength > mainLen + 1) || ++ (p->longestMatchLength + 1 >= mainLen && mainLen >= 3 && ChangePair(newDistance, mainDist))) ++ return 1; ++ } ++ ++ data = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1; ++ for (i = 0; i < LZMA_NUM_REPS; i++) ++ { ++ UInt32 len, limit; ++ const Byte *data2 = data - (p->reps[i] + 1); ++ if (data[0] != data2[0] || data[1] != data2[1]) ++ continue; ++ limit = mainLen - 1; ++ for (len = 2; len < limit && data[len] == data2[len]; len++); ++ if (len >= limit) ++ return 1; ++ } ++ *backRes = mainDist + LZMA_NUM_REPS; ++ MovePos(p, mainLen - 2); ++ return mainLen; ++} ++ ++static void WriteEndMarker(CLzmaEnc *p, UInt32 posState) ++{ ++ UInt32 len; ++ RangeEnc_EncodeBit(&p->rc, &p->isMatch[p->state][posState], 1); ++ RangeEnc_EncodeBit(&p->rc, &p->isRep[p->state], 0); ++ p->state = kMatchNextStates[p->state]; ++ len = LZMA_MATCH_LEN_MIN; ++ LenEnc_Encode2(&p->lenEnc, &p->rc, len - LZMA_MATCH_LEN_MIN, posState, !p->fastMode, p->ProbPrices); ++ RcTree_Encode(&p->rc, p->posSlotEncoder[GetLenToPosState(len)], kNumPosSlotBits, (1 << kNumPosSlotBits) - 1); ++ RangeEnc_EncodeDirectBits(&p->rc, (((UInt32)1 << 30) - 1) >> kNumAlignBits, 30 - kNumAlignBits); ++ RcTree_ReverseEncode(&p->rc, p->posAlignEncoder, kNumAlignBits, kAlignMask); ++} ++ ++static SRes CheckErrors(CLzmaEnc *p) ++{ ++ if (p->result != SZ_OK) ++ return p->result; ++ if (p->rc.res != SZ_OK) ++ p->result = SZ_ERROR_WRITE; ++ if (p->matchFinderBase.result != SZ_OK) ++ p->result = SZ_ERROR_READ; ++ if (p->result != SZ_OK) ++ p->finished = True; ++ return p->result; ++} ++ ++static SRes Flush(CLzmaEnc *p, UInt32 nowPos) ++{ ++ /* ReleaseMFStream(); */ ++ p->finished = True; ++ if (p->writeEndMark) ++ WriteEndMarker(p, nowPos & p->pbMask); ++ RangeEnc_FlushData(&p->rc); ++ RangeEnc_FlushStream(&p->rc); ++ return CheckErrors(p); ++} ++ ++static void FillAlignPrices(CLzmaEnc *p) ++{ ++ UInt32 i; ++ for (i = 0; i < kAlignTableSize; i++) ++ p->alignPrices[i] = RcTree_ReverseGetPrice(p->posAlignEncoder, kNumAlignBits, i, p->ProbPrices); ++ p->alignPriceCount = 0; ++} ++ ++static void FillDistancesPrices(CLzmaEnc *p) ++{ ++ UInt32 tempPrices[kNumFullDistances]; ++ UInt32 i, lenToPosState; ++ for (i = kStartPosModelIndex; i < kNumFullDistances; i++) ++ { ++ UInt32 posSlot = GetPosSlot1(i); ++ UInt32 footerBits = ((posSlot >> 1) - 1); ++ UInt32 base = ((2 | (posSlot & 1)) << footerBits); ++ tempPrices[i] = RcTree_ReverseGetPrice(p->posEncoders + base - posSlot - 1, footerBits, i - base, p->ProbPrices); ++ } ++ ++ for (lenToPosState = 0; lenToPosState < kNumLenToPosStates; lenToPosState++) ++ { ++ UInt32 posSlot; ++ const CLzmaProb *encoder = p->posSlotEncoder[lenToPosState]; ++ UInt32 *posSlotPrices = p->posSlotPrices[lenToPosState]; ++ for (posSlot = 0; posSlot < p->distTableSize; posSlot++) ++ posSlotPrices[posSlot] = RcTree_GetPrice(encoder, kNumPosSlotBits, posSlot, p->ProbPrices); ++ for (posSlot = kEndPosModelIndex; posSlot < p->distTableSize; posSlot++) ++ posSlotPrices[posSlot] += ((((posSlot >> 1) - 1) - kNumAlignBits) << kNumBitPriceShiftBits); ++ ++ { ++ UInt32 *distancesPrices = p->distancesPrices[lenToPosState]; ++ UInt32 i; ++ for (i = 0; i < kStartPosModelIndex; i++) ++ distancesPrices[i] = posSlotPrices[i]; ++ for (; i < kNumFullDistances; i++) ++ distancesPrices[i] = posSlotPrices[GetPosSlot1(i)] + tempPrices[i]; ++ } ++ } ++ p->matchPriceCount = 0; ++} ++ ++void LzmaEnc_Construct(CLzmaEnc *p) ++{ ++ RangeEnc_Construct(&p->rc); ++ MatchFinder_Construct(&p->matchFinderBase); ++ #ifndef _7ZIP_ST ++ MatchFinderMt_Construct(&p->matchFinderMt); ++ p->matchFinderMt.MatchFinder = &p->matchFinderBase; ++ #endif ++ ++ { ++ CLzmaEncProps props; ++ LzmaEncProps_Init(&props); ++ LzmaEnc_SetProps(p, &props); ++ } ++ ++ #ifndef LZMA_LOG_BSR ++ LzmaEnc_FastPosInit(p->g_FastPos); ++ #endif ++ ++ LzmaEnc_InitPriceTables(p->ProbPrices); ++ p->litProbs = 0; ++ p->saveState.litProbs = 0; ++} ++ ++CLzmaEncHandle LzmaEnc_Create(ISzAlloc *alloc) ++{ ++ void *p; ++ p = alloc->Alloc(alloc, sizeof(CLzmaEnc)); ++ if (p != 0) ++ LzmaEnc_Construct((CLzmaEnc *)p); ++ return p; ++} ++ ++void LzmaEnc_FreeLits(CLzmaEnc *p, ISzAlloc *alloc) ++{ ++ alloc->Free(alloc, p->litProbs); ++ alloc->Free(alloc, p->saveState.litProbs); ++ p->litProbs = 0; ++ p->saveState.litProbs = 0; ++} ++ ++void LzmaEnc_Destruct(CLzmaEnc *p, ISzAlloc *alloc, ISzAlloc *allocBig) ++{ ++ #ifndef _7ZIP_ST ++ MatchFinderMt_Destruct(&p->matchFinderMt, allocBig); ++ #endif ++ MatchFinder_Free(&p->matchFinderBase, allocBig); ++ LzmaEnc_FreeLits(p, alloc); ++ RangeEnc_Free(&p->rc, alloc); ++} ++ ++void LzmaEnc_Destroy(CLzmaEncHandle p, ISzAlloc *alloc, ISzAlloc *allocBig) ++{ ++ LzmaEnc_Destruct((CLzmaEnc *)p, alloc, allocBig); ++ alloc->Free(alloc, p); ++} ++ ++static SRes LzmaEnc_CodeOneBlock(CLzmaEnc *p, Bool useLimits, UInt32 maxPackSize, UInt32 maxUnpackSize) ++{ ++ UInt32 nowPos32, startPos32; ++ if (p->needInit) ++ { ++ p->matchFinder.Init(p->matchFinderObj); ++ p->needInit = 0; ++ } ++ ++ if (p->finished) ++ return p->result; ++ RINOK(CheckErrors(p)); ++ ++ nowPos32 = (UInt32)p->nowPos64; ++ startPos32 = nowPos32; ++ ++ if (p->nowPos64 == 0) ++ { ++ UInt32 numPairs; ++ Byte curByte; ++ if (p->matchFinder.GetNumAvailableBytes(p->matchFinderObj) == 0) ++ return Flush(p, nowPos32); ++ ReadMatchDistances(p, &numPairs); ++ RangeEnc_EncodeBit(&p->rc, &p->isMatch[p->state][0], 0); ++ p->state = kLiteralNextStates[p->state]; ++ curByte = p->matchFinder.GetIndexByte(p->matchFinderObj, 0 - p->additionalOffset); ++ LitEnc_Encode(&p->rc, p->litProbs, curByte); ++ p->additionalOffset--; ++ nowPos32++; ++ } ++ ++ if (p->matchFinder.GetNumAvailableBytes(p->matchFinderObj) != 0) ++ for (;;) ++ { ++ UInt32 pos, len, posState; ++ ++ if (p->fastMode) ++ len = GetOptimumFast(p, &pos); ++ else ++ len = GetOptimum(p, nowPos32, &pos); ++ ++ #ifdef SHOW_STAT2 ++ printf("\n pos = %4X, len = %d pos = %d", nowPos32, len, pos); ++ #endif ++ ++ posState = nowPos32 & p->pbMask; ++ if (len == 1 && pos == (UInt32)-1) ++ { ++ Byte curByte; ++ CLzmaProb *probs; ++ const Byte *data; ++ ++ RangeEnc_EncodeBit(&p->rc, &p->isMatch[p->state][posState], 0); ++ data = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - p->additionalOffset; ++ curByte = *data; ++ probs = LIT_PROBS(nowPos32, *(data - 1)); ++ if (IsCharState(p->state)) ++ LitEnc_Encode(&p->rc, probs, curByte); ++ else ++ LitEnc_EncodeMatched(&p->rc, probs, curByte, *(data - p->reps[0] - 1)); ++ p->state = kLiteralNextStates[p->state]; ++ } ++ else ++ { ++ RangeEnc_EncodeBit(&p->rc, &p->isMatch[p->state][posState], 1); ++ if (pos < LZMA_NUM_REPS) ++ { ++ RangeEnc_EncodeBit(&p->rc, &p->isRep[p->state], 1); ++ if (pos == 0) ++ { ++ RangeEnc_EncodeBit(&p->rc, &p->isRepG0[p->state], 0); ++ RangeEnc_EncodeBit(&p->rc, &p->isRep0Long[p->state][posState], ((len == 1) ? 0 : 1)); ++ } ++ else ++ { ++ UInt32 distance = p->reps[pos]; ++ RangeEnc_EncodeBit(&p->rc, &p->isRepG0[p->state], 1); ++ if (pos == 1) ++ RangeEnc_EncodeBit(&p->rc, &p->isRepG1[p->state], 0); ++ else ++ { ++ RangeEnc_EncodeBit(&p->rc, &p->isRepG1[p->state], 1); ++ RangeEnc_EncodeBit(&p->rc, &p->isRepG2[p->state], pos - 2); ++ if (pos == 3) ++ p->reps[3] = p->reps[2]; ++ p->reps[2] = p->reps[1]; ++ } ++ p->reps[1] = p->reps[0]; ++ p->reps[0] = distance; ++ } ++ if (len == 1) ++ p->state = kShortRepNextStates[p->state]; ++ else ++ { ++ LenEnc_Encode2(&p->repLenEnc, &p->rc, len - LZMA_MATCH_LEN_MIN, posState, !p->fastMode, p->ProbPrices); ++ p->state = kRepNextStates[p->state]; ++ } ++ } ++ else ++ { ++ UInt32 posSlot; ++ RangeEnc_EncodeBit(&p->rc, &p->isRep[p->state], 0); ++ p->state = kMatchNextStates[p->state]; ++ LenEnc_Encode2(&p->lenEnc, &p->rc, len - LZMA_MATCH_LEN_MIN, posState, !p->fastMode, p->ProbPrices); ++ pos -= LZMA_NUM_REPS; ++ GetPosSlot(pos, posSlot); ++ RcTree_Encode(&p->rc, p->posSlotEncoder[GetLenToPosState(len)], kNumPosSlotBits, posSlot); ++ ++ if (posSlot >= kStartPosModelIndex) ++ { ++ UInt32 footerBits = ((posSlot >> 1) - 1); ++ UInt32 base = ((2 | (posSlot & 1)) << footerBits); ++ UInt32 posReduced = pos - base; ++ ++ if (posSlot < kEndPosModelIndex) ++ RcTree_ReverseEncode(&p->rc, p->posEncoders + base - posSlot - 1, footerBits, posReduced); ++ else ++ { ++ RangeEnc_EncodeDirectBits(&p->rc, posReduced >> kNumAlignBits, footerBits - kNumAlignBits); ++ RcTree_ReverseEncode(&p->rc, p->posAlignEncoder, kNumAlignBits, posReduced & kAlignMask); ++ p->alignPriceCount++; ++ } ++ } ++ p->reps[3] = p->reps[2]; ++ p->reps[2] = p->reps[1]; ++ p->reps[1] = p->reps[0]; ++ p->reps[0] = pos; ++ p->matchPriceCount++; ++ } ++ } ++ p->additionalOffset -= len; ++ nowPos32 += len; ++ if (p->additionalOffset == 0) ++ { ++ UInt32 processed; ++ if (!p->fastMode) ++ { ++ if (p->matchPriceCount >= (1 << 7)) ++ FillDistancesPrices(p); ++ if (p->alignPriceCount >= kAlignTableSize) ++ FillAlignPrices(p); ++ } ++ if (p->matchFinder.GetNumAvailableBytes(p->matchFinderObj) == 0) ++ break; ++ processed = nowPos32 - startPos32; ++ if (useLimits) ++ { ++ if (processed + kNumOpts + 300 >= maxUnpackSize || ++ RangeEnc_GetProcessed(&p->rc) + kNumOpts * 2 >= maxPackSize) ++ break; ++ } ++ else if (processed >= (1 << 15)) ++ { ++ p->nowPos64 += nowPos32 - startPos32; ++ return CheckErrors(p); ++ } ++ } ++ } ++ p->nowPos64 += nowPos32 - startPos32; ++ return Flush(p, nowPos32); ++} ++ ++#define kBigHashDicLimit ((UInt32)1 << 24) ++ ++static SRes LzmaEnc_Alloc(CLzmaEnc *p, UInt32 keepWindowSize, ISzAlloc *alloc, ISzAlloc *allocBig) ++{ ++ UInt32 beforeSize = kNumOpts; ++ Bool btMode; ++ if (!RangeEnc_Alloc(&p->rc, alloc)) ++ return SZ_ERROR_MEM; ++ btMode = (p->matchFinderBase.btMode != 0); ++ #ifndef _7ZIP_ST ++ p->mtMode = (p->multiThread && !p->fastMode && btMode); ++ #endif ++ ++ { ++ unsigned lclp = p->lc + p->lp; ++ if (p->litProbs == 0 || p->saveState.litProbs == 0 || p->lclp != lclp) ++ { ++ LzmaEnc_FreeLits(p, alloc); ++ p->litProbs = (CLzmaProb *)alloc->Alloc(alloc, (0x300 << lclp) * sizeof(CLzmaProb)); ++ p->saveState.litProbs = (CLzmaProb *)alloc->Alloc(alloc, (0x300 << lclp) * sizeof(CLzmaProb)); ++ if (p->litProbs == 0 || p->saveState.litProbs == 0) ++ { ++ LzmaEnc_FreeLits(p, alloc); ++ return SZ_ERROR_MEM; ++ } ++ p->lclp = lclp; ++ } ++ } ++ ++ p->matchFinderBase.bigHash = (p->dictSize > kBigHashDicLimit); ++ ++ if (beforeSize + p->dictSize < keepWindowSize) ++ beforeSize = keepWindowSize - p->dictSize; ++ ++ #ifndef _7ZIP_ST ++ if (p->mtMode) ++ { ++ RINOK(MatchFinderMt_Create(&p->matchFinderMt, p->dictSize, beforeSize, p->numFastBytes, LZMA_MATCH_LEN_MAX, allocBig)); ++ p->matchFinderObj = &p->matchFinderMt; ++ MatchFinderMt_CreateVTable(&p->matchFinderMt, &p->matchFinder); ++ } ++ else ++ #endif ++ { ++ if (!MatchFinder_Create(&p->matchFinderBase, p->dictSize, beforeSize, p->numFastBytes, LZMA_MATCH_LEN_MAX, allocBig)) ++ return SZ_ERROR_MEM; ++ p->matchFinderObj = &p->matchFinderBase; ++ MatchFinder_CreateVTable(&p->matchFinderBase, &p->matchFinder); ++ } ++ return SZ_OK; ++} ++ ++void LzmaEnc_Init(CLzmaEnc *p) ++{ ++ UInt32 i; ++ p->state = 0; ++ for (i = 0 ; i < LZMA_NUM_REPS; i++) ++ p->reps[i] = 0; ++ ++ RangeEnc_Init(&p->rc); ++ ++ ++ for (i = 0; i < kNumStates; i++) ++ { ++ UInt32 j; ++ for (j = 0; j < LZMA_NUM_PB_STATES_MAX; j++) ++ { ++ p->isMatch[i][j] = kProbInitValue; ++ p->isRep0Long[i][j] = kProbInitValue; ++ } ++ p->isRep[i] = kProbInitValue; ++ p->isRepG0[i] = kProbInitValue; ++ p->isRepG1[i] = kProbInitValue; ++ p->isRepG2[i] = kProbInitValue; ++ } ++ ++ { ++ UInt32 num = 0x300 << (p->lp + p->lc); ++ for (i = 0; i < num; i++) ++ p->litProbs[i] = kProbInitValue; ++ } ++ ++ { ++ for (i = 0; i < kNumLenToPosStates; i++) ++ { ++ CLzmaProb *probs = p->posSlotEncoder[i]; ++ UInt32 j; ++ for (j = 0; j < (1 << kNumPosSlotBits); j++) ++ probs[j] = kProbInitValue; ++ } ++ } ++ { ++ for (i = 0; i < kNumFullDistances - kEndPosModelIndex; i++) ++ p->posEncoders[i] = kProbInitValue; ++ } ++ ++ LenEnc_Init(&p->lenEnc.p); ++ LenEnc_Init(&p->repLenEnc.p); ++ ++ for (i = 0; i < (1 << kNumAlignBits); i++) ++ p->posAlignEncoder[i] = kProbInitValue; ++ ++ p->optimumEndIndex = 0; ++ p->optimumCurrentIndex = 0; ++ p->additionalOffset = 0; ++ ++ p->pbMask = (1 << p->pb) - 1; ++ p->lpMask = (1 << p->lp) - 1; ++} ++ ++void LzmaEnc_InitPrices(CLzmaEnc *p) ++{ ++ if (!p->fastMode) ++ { ++ FillDistancesPrices(p); ++ FillAlignPrices(p); ++ } ++ ++ p->lenEnc.tableSize = ++ p->repLenEnc.tableSize = ++ p->numFastBytes + 1 - LZMA_MATCH_LEN_MIN; ++ LenPriceEnc_UpdateTables(&p->lenEnc, 1 << p->pb, p->ProbPrices); ++ LenPriceEnc_UpdateTables(&p->repLenEnc, 1 << p->pb, p->ProbPrices); ++} ++ ++static SRes LzmaEnc_AllocAndInit(CLzmaEnc *p, UInt32 keepWindowSize, ISzAlloc *alloc, ISzAlloc *allocBig) ++{ ++ UInt32 i; ++ for (i = 0; i < (UInt32)kDicLogSizeMaxCompress; i++) ++ if (p->dictSize <= ((UInt32)1 << i)) ++ break; ++ p->distTableSize = i * 2; ++ ++ p->finished = False; ++ p->result = SZ_OK; ++ RINOK(LzmaEnc_Alloc(p, keepWindowSize, alloc, allocBig)); ++ LzmaEnc_Init(p); ++ LzmaEnc_InitPrices(p); ++ p->nowPos64 = 0; ++ return SZ_OK; ++} ++ ++static SRes LzmaEnc_Prepare(CLzmaEncHandle pp, ISeqOutStream *outStream, ISeqInStream *inStream, ++ ISzAlloc *alloc, ISzAlloc *allocBig) ++{ ++ CLzmaEnc *p = (CLzmaEnc *)pp; ++ p->matchFinderBase.stream = inStream; ++ p->needInit = 1; ++ p->rc.outStream = outStream; ++ return LzmaEnc_AllocAndInit(p, 0, alloc, allocBig); ++} ++ ++SRes LzmaEnc_PrepareForLzma2(CLzmaEncHandle pp, ++ ISeqInStream *inStream, UInt32 keepWindowSize, ++ ISzAlloc *alloc, ISzAlloc *allocBig) ++{ ++ CLzmaEnc *p = (CLzmaEnc *)pp; ++ p->matchFinderBase.stream = inStream; ++ p->needInit = 1; ++ return LzmaEnc_AllocAndInit(p, keepWindowSize, alloc, allocBig); ++} ++ ++static void LzmaEnc_SetInputBuf(CLzmaEnc *p, const Byte *src, SizeT srcLen) ++{ ++ p->matchFinderBase.directInput = 1; ++ p->matchFinderBase.bufferBase = (Byte *)src; ++ p->matchFinderBase.directInputRem = srcLen; ++} ++ ++SRes LzmaEnc_MemPrepare(CLzmaEncHandle pp, const Byte *src, SizeT srcLen, ++ UInt32 keepWindowSize, ISzAlloc *alloc, ISzAlloc *allocBig) ++{ ++ CLzmaEnc *p = (CLzmaEnc *)pp; ++ LzmaEnc_SetInputBuf(p, src, srcLen); ++ p->needInit = 1; ++ ++ return LzmaEnc_AllocAndInit(p, keepWindowSize, alloc, allocBig); ++} ++ ++void LzmaEnc_Finish(CLzmaEncHandle pp) ++{ ++ #ifndef _7ZIP_ST ++ CLzmaEnc *p = (CLzmaEnc *)pp; ++ if (p->mtMode) ++ MatchFinderMt_ReleaseStream(&p->matchFinderMt); ++ #else ++ pp = pp; ++ #endif ++} ++ ++typedef struct ++{ ++ ISeqOutStream funcTable; ++ Byte *data; ++ SizeT rem; ++ Bool overflow; ++} CSeqOutStreamBuf; ++ ++static size_t MyWrite(void *pp, const void *data, size_t size) ++{ ++ CSeqOutStreamBuf *p = (CSeqOutStreamBuf *)pp; ++ if (p->rem < size) ++ { ++ size = p->rem; ++ p->overflow = True; ++ } ++ memcpy(p->data, data, size); ++ p->rem -= size; ++ p->data += size; ++ return size; ++} ++ ++ ++UInt32 LzmaEnc_GetNumAvailableBytes(CLzmaEncHandle pp) ++{ ++ const CLzmaEnc *p = (CLzmaEnc *)pp; ++ return p->matchFinder.GetNumAvailableBytes(p->matchFinderObj); ++} ++ ++const Byte *LzmaEnc_GetCurBuf(CLzmaEncHandle pp) ++{ ++ const CLzmaEnc *p = (CLzmaEnc *)pp; ++ return p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - p->additionalOffset; ++} ++ ++SRes LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, Bool reInit, ++ Byte *dest, size_t *destLen, UInt32 desiredPackSize, UInt32 *unpackSize) ++{ ++ CLzmaEnc *p = (CLzmaEnc *)pp; ++ UInt64 nowPos64; ++ SRes res; ++ CSeqOutStreamBuf outStream; ++ ++ outStream.funcTable.Write = MyWrite; ++ outStream.data = dest; ++ outStream.rem = *destLen; ++ outStream.overflow = False; ++ ++ p->writeEndMark = False; ++ p->finished = False; ++ p->result = SZ_OK; ++ ++ if (reInit) ++ LzmaEnc_Init(p); ++ LzmaEnc_InitPrices(p); ++ nowPos64 = p->nowPos64; ++ RangeEnc_Init(&p->rc); ++ p->rc.outStream = &outStream.funcTable; ++ ++ res = LzmaEnc_CodeOneBlock(p, True, desiredPackSize, *unpackSize); ++ ++ *unpackSize = (UInt32)(p->nowPos64 - nowPos64); ++ *destLen -= outStream.rem; ++ if (outStream.overflow) ++ return SZ_ERROR_OUTPUT_EOF; ++ ++ return res; ++} ++ ++static SRes LzmaEnc_Encode2(CLzmaEnc *p, ICompressProgress *progress) ++{ ++ SRes res = SZ_OK; ++ ++ #ifndef _7ZIP_ST ++ Byte allocaDummy[0x300]; ++ int i = 0; ++ for (i = 0; i < 16; i++) ++ allocaDummy[i] = (Byte)i; ++ #endif ++ ++ for (;;) ++ { ++ res = LzmaEnc_CodeOneBlock(p, False, 0, 0); ++ if (res != SZ_OK || p->finished != 0) ++ break; ++ if (progress != 0) ++ { ++ res = progress->Progress(progress, p->nowPos64, RangeEnc_GetProcessed(&p->rc)); ++ if (res != SZ_OK) ++ { ++ res = SZ_ERROR_PROGRESS; ++ break; ++ } ++ } ++ } ++ LzmaEnc_Finish(p); ++ return res; ++} ++ ++SRes LzmaEnc_Encode(CLzmaEncHandle pp, ISeqOutStream *outStream, ISeqInStream *inStream, ICompressProgress *progress, ++ ISzAlloc *alloc, ISzAlloc *allocBig) ++{ ++ RINOK(LzmaEnc_Prepare(pp, outStream, inStream, alloc, allocBig)); ++ return LzmaEnc_Encode2((CLzmaEnc *)pp, progress); ++} ++ ++SRes LzmaEnc_WriteProperties(CLzmaEncHandle pp, Byte *props, SizeT *size) ++{ ++ CLzmaEnc *p = (CLzmaEnc *)pp; ++ int i; ++ UInt32 dictSize = p->dictSize; ++ if (*size < LZMA_PROPS_SIZE) ++ return SZ_ERROR_PARAM; ++ *size = LZMA_PROPS_SIZE; ++ props[0] = (Byte)((p->pb * 5 + p->lp) * 9 + p->lc); ++ ++ for (i = 11; i <= 30; i++) ++ { ++ if (dictSize <= ((UInt32)2 << i)) ++ { ++ dictSize = (2 << i); ++ break; ++ } ++ if (dictSize <= ((UInt32)3 << i)) ++ { ++ dictSize = (3 << i); ++ break; ++ } ++ } ++ ++ for (i = 0; i < 4; i++) ++ props[1 + i] = (Byte)(dictSize >> (8 * i)); ++ return SZ_OK; ++} ++ ++SRes LzmaEnc_MemEncode(CLzmaEncHandle pp, Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen, ++ int writeEndMark, ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig) ++{ ++ SRes res; ++ CLzmaEnc *p = (CLzmaEnc *)pp; ++ ++ CSeqOutStreamBuf outStream; ++ ++ LzmaEnc_SetInputBuf(p, src, srcLen); ++ ++ outStream.funcTable.Write = MyWrite; ++ outStream.data = dest; ++ outStream.rem = *destLen; ++ outStream.overflow = False; ++ ++ p->writeEndMark = writeEndMark; ++ ++ p->rc.outStream = &outStream.funcTable; ++ res = LzmaEnc_MemPrepare(pp, src, srcLen, 0, alloc, allocBig); ++ if (res == SZ_OK) ++ res = LzmaEnc_Encode2(p, progress); ++ ++ *destLen -= outStream.rem; ++ if (outStream.overflow) ++ return SZ_ERROR_OUTPUT_EOF; ++ return res; ++} ++ ++SRes LzmaEncode(Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen, ++ const CLzmaEncProps *props, Byte *propsEncoded, SizeT *propsSize, int writeEndMark, ++ ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig) ++{ ++ CLzmaEnc *p = (CLzmaEnc *)LzmaEnc_Create(alloc); ++ SRes res; ++ if (p == 0) ++ return SZ_ERROR_MEM; ++ ++ res = LzmaEnc_SetProps(p, props); ++ if (res == SZ_OK) ++ { ++ res = LzmaEnc_WriteProperties(p, propsEncoded, propsSize); ++ if (res == SZ_OK) ++ res = LzmaEnc_MemEncode(p, dest, destLen, src, srcLen, ++ writeEndMark, progress, alloc, allocBig); ++ } ++ ++ LzmaEnc_Destroy(p, alloc, allocBig); ++ return res; ++} +--- /dev/null ++++ b/lib/lzma/Makefile +@@ -0,0 +1,7 @@ ++lzma_compress-objs := LzFind.o LzmaEnc.o ++lzma_decompress-objs := LzmaDec.o ++ ++obj-$(CONFIG_LZMA_COMPRESS) += lzma_compress.o ++obj-$(CONFIG_LZMA_DECOMPRESS) += lzma_decompress.o ++ ++EXTRA_CFLAGS += -Iinclude/linux -Iinclude/linux/lzma -include types.h diff --git a/target/linux/generic/patches-3.6/511-debloat_lzma.patch b/target/linux/generic/patches-3.6/511-debloat_lzma.patch new file mode 100644 index 0000000000..1e41661ebb --- /dev/null +++ b/target/linux/generic/patches-3.6/511-debloat_lzma.patch @@ -0,0 +1,485 @@ +--- a/include/linux/lzma/LzmaDec.h ++++ b/include/linux/lzma/LzmaDec.h +@@ -31,14 +31,6 @@ typedef struct _CLzmaProps + UInt32 dicSize; + } CLzmaProps; + +-/* LzmaProps_Decode - decodes properties +-Returns: +- SZ_OK +- SZ_ERROR_UNSUPPORTED - Unsupported properties +-*/ +- +-SRes LzmaProps_Decode(CLzmaProps *p, const Byte *data, unsigned size); +- + + /* ---------- LZMA Decoder state ---------- */ + +@@ -70,8 +62,6 @@ typedef struct + + #define LzmaDec_Construct(p) { (p)->dic = 0; (p)->probs = 0; } + +-void LzmaDec_Init(CLzmaDec *p); +- + /* There are two types of LZMA streams: + 0) Stream with end mark. That end mark adds about 6 bytes to compressed size. + 1) Stream without end mark. You must know exact uncompressed size to decompress such stream. */ +@@ -108,97 +98,6 @@ typedef enum + + /* ELzmaStatus is used only as output value for function call */ + +- +-/* ---------- Interfaces ---------- */ +- +-/* There are 3 levels of interfaces: +- 1) Dictionary Interface +- 2) Buffer Interface +- 3) One Call Interface +- You can select any of these interfaces, but don't mix functions from different +- groups for same object. */ +- +- +-/* There are two variants to allocate state for Dictionary Interface: +- 1) LzmaDec_Allocate / LzmaDec_Free +- 2) LzmaDec_AllocateProbs / LzmaDec_FreeProbs +- You can use variant 2, if you set dictionary buffer manually. +- For Buffer Interface you must always use variant 1. +- +-LzmaDec_Allocate* can return: +- SZ_OK +- SZ_ERROR_MEM - Memory allocation error +- SZ_ERROR_UNSUPPORTED - Unsupported properties +-*/ +- +-SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc); +-void LzmaDec_FreeProbs(CLzmaDec *p, ISzAlloc *alloc); +- +-SRes LzmaDec_Allocate(CLzmaDec *state, const Byte *prop, unsigned propsSize, ISzAlloc *alloc); +-void LzmaDec_Free(CLzmaDec *state, ISzAlloc *alloc); +- +-/* ---------- Dictionary Interface ---------- */ +- +-/* You can use it, if you want to eliminate the overhead for data copying from +- dictionary to some other external buffer. +- You must work with CLzmaDec variables directly in this interface. +- +- STEPS: +- LzmaDec_Constr() +- LzmaDec_Allocate() +- for (each new stream) +- { +- LzmaDec_Init() +- while (it needs more decompression) +- { +- LzmaDec_DecodeToDic() +- use data from CLzmaDec::dic and update CLzmaDec::dicPos +- } +- } +- LzmaDec_Free() +-*/ +- +-/* LzmaDec_DecodeToDic +- +- The decoding to internal dictionary buffer (CLzmaDec::dic). +- You must manually update CLzmaDec::dicPos, if it reaches CLzmaDec::dicBufSize !!! +- +-finishMode: +- It has meaning only if the decoding reaches output limit (dicLimit). +- LZMA_FINISH_ANY - Decode just dicLimit bytes. +- LZMA_FINISH_END - Stream must be finished after dicLimit. +- +-Returns: +- SZ_OK +- status: +- LZMA_STATUS_FINISHED_WITH_MARK +- LZMA_STATUS_NOT_FINISHED +- LZMA_STATUS_NEEDS_MORE_INPUT +- LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK +- SZ_ERROR_DATA - Data error +-*/ +- +-SRes LzmaDec_DecodeToDic(CLzmaDec *p, SizeT dicLimit, +- const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status); +- +- +-/* ---------- Buffer Interface ---------- */ +- +-/* It's zlib-like interface. +- See LzmaDec_DecodeToDic description for information about STEPS and return results, +- but you must use LzmaDec_DecodeToBuf instead of LzmaDec_DecodeToDic and you don't need +- to work with CLzmaDec variables manually. +- +-finishMode: +- It has meaning only if the decoding reaches output limit (*destLen). +- LZMA_FINISH_ANY - Decode just destLen bytes. +- LZMA_FINISH_END - Stream must be finished after (*destLen). +-*/ +- +-SRes LzmaDec_DecodeToBuf(CLzmaDec *p, Byte *dest, SizeT *destLen, +- const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status); +- +- + /* ---------- One Call Interface ---------- */ + + /* LzmaDecode +--- a/lib/lzma/LzmaDec.c ++++ b/lib/lzma/LzmaDec.c +@@ -682,7 +682,7 @@ static void LzmaDec_InitRc(CLzmaDec *p, + p->needFlush = 0; + } + +-void LzmaDec_InitDicAndState(CLzmaDec *p, Bool initDic, Bool initState) ++static void LzmaDec_InitDicAndState(CLzmaDec *p, Bool initDic, Bool initState) + { + p->needFlush = 1; + p->remainLen = 0; +@@ -698,7 +698,7 @@ void LzmaDec_InitDicAndState(CLzmaDec *p + p->needInitState = 1; + } + +-void LzmaDec_Init(CLzmaDec *p) ++static void LzmaDec_Init(CLzmaDec *p) + { + p->dicPos = 0; + LzmaDec_InitDicAndState(p, True, True); +@@ -716,7 +716,7 @@ static void LzmaDec_InitStateReal(CLzmaD + p->needInitState = 0; + } + +-SRes LzmaDec_DecodeToDic(CLzmaDec *p, SizeT dicLimit, const Byte *src, SizeT *srcLen, ++static SRes LzmaDec_DecodeToDic(CLzmaDec *p, SizeT dicLimit, const Byte *src, SizeT *srcLen, + ELzmaFinishMode finishMode, ELzmaStatus *status) + { + SizeT inSize = *srcLen; +@@ -837,7 +837,7 @@ SRes LzmaDec_DecodeToDic(CLzmaDec *p, Si + return (p->code == 0) ? SZ_OK : SZ_ERROR_DATA; + } + +-SRes LzmaDec_DecodeToBuf(CLzmaDec *p, Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status) ++static __maybe_unused SRes LzmaDec_DecodeToBuf(CLzmaDec *p, Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status) + { + SizeT outSize = *destLen; + SizeT inSize = *srcLen; +@@ -877,7 +877,7 @@ SRes LzmaDec_DecodeToBuf(CLzmaDec *p, By + } + } + +-void LzmaDec_FreeProbs(CLzmaDec *p, ISzAlloc *alloc) ++static void LzmaDec_FreeProbs(CLzmaDec *p, ISzAlloc *alloc) + { + alloc->Free(alloc, p->probs); + p->probs = 0; +@@ -889,13 +889,13 @@ static void LzmaDec_FreeDict(CLzmaDec *p + p->dic = 0; + } + +-void LzmaDec_Free(CLzmaDec *p, ISzAlloc *alloc) ++static void __maybe_unused LzmaDec_Free(CLzmaDec *p, ISzAlloc *alloc) + { + LzmaDec_FreeProbs(p, alloc); + LzmaDec_FreeDict(p, alloc); + } + +-SRes LzmaProps_Decode(CLzmaProps *p, const Byte *data, unsigned size) ++static SRes LzmaProps_Decode(CLzmaProps *p, const Byte *data, unsigned size) + { + UInt32 dicSize; + Byte d; +@@ -935,7 +935,7 @@ static SRes LzmaDec_AllocateProbs2(CLzma + return SZ_OK; + } + +-SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc) ++static SRes __maybe_unused LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc) + { + CLzmaProps propNew; + RINOK(LzmaProps_Decode(&propNew, props, propsSize)); +@@ -944,7 +944,7 @@ SRes LzmaDec_AllocateProbs(CLzmaDec *p, + return SZ_OK; + } + +-SRes LzmaDec_Allocate(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc) ++static SRes __maybe_unused LzmaDec_Allocate(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc) + { + CLzmaProps propNew; + SizeT dicBufSize; +--- a/include/linux/lzma/LzmaEnc.h ++++ b/include/linux/lzma/LzmaEnc.h +@@ -31,9 +31,6 @@ typedef struct _CLzmaEncProps + } CLzmaEncProps; + + void LzmaEncProps_Init(CLzmaEncProps *p); +-void LzmaEncProps_Normalize(CLzmaEncProps *p); +-UInt32 LzmaEncProps_GetDictSize(const CLzmaEncProps *props2); +- + + /* ---------- CLzmaEncHandle Interface ---------- */ + +@@ -53,26 +50,9 @@ CLzmaEncHandle LzmaEnc_Create(ISzAlloc * + void LzmaEnc_Destroy(CLzmaEncHandle p, ISzAlloc *alloc, ISzAlloc *allocBig); + SRes LzmaEnc_SetProps(CLzmaEncHandle p, const CLzmaEncProps *props); + SRes LzmaEnc_WriteProperties(CLzmaEncHandle p, Byte *properties, SizeT *size); +-SRes LzmaEnc_Encode(CLzmaEncHandle p, ISeqOutStream *outStream, ISeqInStream *inStream, +- ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig); + SRes LzmaEnc_MemEncode(CLzmaEncHandle p, Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen, + int writeEndMark, ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig); + +-/* ---------- One Call Interface ---------- */ +- +-/* LzmaEncode +-Return code: +- SZ_OK - OK +- SZ_ERROR_MEM - Memory allocation error +- SZ_ERROR_PARAM - Incorrect paramater +- SZ_ERROR_OUTPUT_EOF - output buffer overflow +- SZ_ERROR_THREAD - errors in multithreading functions (only for Mt version) +-*/ +- +-SRes LzmaEncode(Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen, +- const CLzmaEncProps *props, Byte *propsEncoded, SizeT *propsSize, int writeEndMark, +- ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig); +- + #ifdef __cplusplus + } + #endif +--- a/lib/lzma/LzmaEnc.c ++++ b/lib/lzma/LzmaEnc.c +@@ -53,7 +53,7 @@ void LzmaEncProps_Init(CLzmaEncProps *p) + p->writeEndMark = 0; + } + +-void LzmaEncProps_Normalize(CLzmaEncProps *p) ++static void LzmaEncProps_Normalize(CLzmaEncProps *p) + { + int level = p->level; + if (level < 0) level = 5; +@@ -76,7 +76,7 @@ void LzmaEncProps_Normalize(CLzmaEncProp + #endif + } + +-UInt32 LzmaEncProps_GetDictSize(const CLzmaEncProps *props2) ++static UInt32 __maybe_unused LzmaEncProps_GetDictSize(const CLzmaEncProps *props2) + { + CLzmaEncProps props = *props2; + LzmaEncProps_Normalize(&props); +@@ -93,7 +93,7 @@ UInt32 LzmaEncProps_GetDictSize(const CL + + #define BSR2_RET(pos, res) { unsigned long i; _BitScanReverse(&i, (pos)); res = (i + i) + ((pos >> (i - 1)) & 1); } + +-UInt32 GetPosSlot1(UInt32 pos) ++static UInt32 GetPosSlot1(UInt32 pos) + { + UInt32 res; + BSR2_RET(pos, res); +@@ -107,7 +107,7 @@ UInt32 GetPosSlot1(UInt32 pos) + #define kNumLogBits (9 + (int)sizeof(size_t) / 2) + #define kDicLogSizeMaxCompress ((kNumLogBits - 1) * 2 + 7) + +-void LzmaEnc_FastPosInit(Byte *g_FastPos) ++static void LzmaEnc_FastPosInit(Byte *g_FastPos) + { + int c = 2, slotFast; + g_FastPos[0] = 0; +@@ -339,7 +339,7 @@ typedef struct + CSaveState saveState; + } CLzmaEnc; + +-void LzmaEnc_SaveState(CLzmaEncHandle pp) ++static void __maybe_unused LzmaEnc_SaveState(CLzmaEncHandle pp) + { + CLzmaEnc *p = (CLzmaEnc *)pp; + CSaveState *dest = &p->saveState; +@@ -365,7 +365,7 @@ void LzmaEnc_SaveState(CLzmaEncHandle pp + memcpy(dest->litProbs, p->litProbs, (0x300 << p->lclp) * sizeof(CLzmaProb)); + } + +-void LzmaEnc_RestoreState(CLzmaEncHandle pp) ++static void __maybe_unused LzmaEnc_RestoreState(CLzmaEncHandle pp) + { + CLzmaEnc *dest = (CLzmaEnc *)pp; + const CSaveState *p = &dest->saveState; +@@ -600,7 +600,7 @@ static void LitEnc_EncodeMatched(CRangeE + while (symbol < 0x10000); + } + +-void LzmaEnc_InitPriceTables(UInt32 *ProbPrices) ++static void LzmaEnc_InitPriceTables(UInt32 *ProbPrices) + { + UInt32 i; + for (i = (1 << kNumMoveReducingBits) / 2; i < kBitModelTotal; i += (1 << kNumMoveReducingBits)) +@@ -1676,7 +1676,7 @@ static void FillDistancesPrices(CLzmaEnc + p->matchPriceCount = 0; + } + +-void LzmaEnc_Construct(CLzmaEnc *p) ++static void LzmaEnc_Construct(CLzmaEnc *p) + { + RangeEnc_Construct(&p->rc); + MatchFinder_Construct(&p->matchFinderBase); +@@ -1709,7 +1709,7 @@ CLzmaEncHandle LzmaEnc_Create(ISzAlloc * + return p; + } + +-void LzmaEnc_FreeLits(CLzmaEnc *p, ISzAlloc *alloc) ++static void LzmaEnc_FreeLits(CLzmaEnc *p, ISzAlloc *alloc) + { + alloc->Free(alloc, p->litProbs); + alloc->Free(alloc, p->saveState.litProbs); +@@ -2074,7 +2074,7 @@ SRes LzmaEnc_MemPrepare(CLzmaEncHandle p + return LzmaEnc_AllocAndInit(p, keepWindowSize, alloc, allocBig); + } + +-void LzmaEnc_Finish(CLzmaEncHandle pp) ++static void LzmaEnc_Finish(CLzmaEncHandle pp) + { + #ifndef _7ZIP_ST + CLzmaEnc *p = (CLzmaEnc *)pp; +@@ -2108,7 +2108,7 @@ static size_t MyWrite(void *pp, const vo + } + + +-UInt32 LzmaEnc_GetNumAvailableBytes(CLzmaEncHandle pp) ++static UInt32 __maybe_unused LzmaEnc_GetNumAvailableBytes(CLzmaEncHandle pp) + { + const CLzmaEnc *p = (CLzmaEnc *)pp; + return p->matchFinder.GetNumAvailableBytes(p->matchFinderObj); +@@ -2120,7 +2120,7 @@ const Byte *LzmaEnc_GetCurBuf(CLzmaEncHa + return p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - p->additionalOffset; + } + +-SRes LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, Bool reInit, ++static SRes __maybe_unused LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, Bool reInit, + Byte *dest, size_t *destLen, UInt32 desiredPackSize, UInt32 *unpackSize) + { + CLzmaEnc *p = (CLzmaEnc *)pp; +@@ -2248,7 +2248,7 @@ SRes LzmaEnc_MemEncode(CLzmaEncHandle pp + return res; + } + +-SRes LzmaEncode(Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen, ++static __maybe_unused SRes LzmaEncode(Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen, + const CLzmaEncProps *props, Byte *propsEncoded, SizeT *propsSize, int writeEndMark, + ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig) + { +--- a/include/linux/lzma/LzFind.h ++++ b/include/linux/lzma/LzFind.h +@@ -55,11 +55,6 @@ typedef struct _CMatchFinder + + #define Inline_MatchFinder_GetNumAvailableBytes(p) ((p)->streamPos - (p)->pos) + +-int MatchFinder_NeedMove(CMatchFinder *p); +-Byte *MatchFinder_GetPointerToCurrentPos(CMatchFinder *p); +-void MatchFinder_MoveBlock(CMatchFinder *p); +-void MatchFinder_ReadIfRequired(CMatchFinder *p); +- + void MatchFinder_Construct(CMatchFinder *p); + + /* Conditions: +@@ -70,12 +65,6 @@ int MatchFinder_Create(CMatchFinder *p, + UInt32 keepAddBufferBefore, UInt32 matchMaxLen, UInt32 keepAddBufferAfter, + ISzAlloc *alloc); + void MatchFinder_Free(CMatchFinder *p, ISzAlloc *alloc); +-void MatchFinder_Normalize3(UInt32 subValue, CLzRef *items, UInt32 numItems); +-void MatchFinder_ReduceOffsets(CMatchFinder *p, UInt32 subValue); +- +-UInt32 * GetMatchesSpec1(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *buffer, CLzRef *son, +- UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 _cutValue, +- UInt32 *distances, UInt32 maxLen); + + /* + Conditions: +@@ -102,12 +91,6 @@ typedef struct _IMatchFinder + + void MatchFinder_CreateVTable(CMatchFinder *p, IMatchFinder *vTable); + +-void MatchFinder_Init(CMatchFinder *p); +-UInt32 Bt3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances); +-UInt32 Hc3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances); +-void Bt3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num); +-void Hc3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num); +- + #ifdef __cplusplus + } + #endif +--- a/lib/lzma/LzFind.c ++++ b/lib/lzma/LzFind.c +@@ -42,12 +42,12 @@ static int LzInWindow_Create(CMatchFinde + return (p->bufferBase != 0); + } + +-Byte *MatchFinder_GetPointerToCurrentPos(CMatchFinder *p) { return p->buffer; } +-Byte MatchFinder_GetIndexByte(CMatchFinder *p, Int32 index) { return p->buffer[index]; } ++static Byte *MatchFinder_GetPointerToCurrentPos(CMatchFinder *p) { return p->buffer; } ++static Byte MatchFinder_GetIndexByte(CMatchFinder *p, Int32 index) { return p->buffer[index]; } + +-UInt32 MatchFinder_GetNumAvailableBytes(CMatchFinder *p) { return p->streamPos - p->pos; } ++static UInt32 MatchFinder_GetNumAvailableBytes(CMatchFinder *p) { return p->streamPos - p->pos; } + +-void MatchFinder_ReduceOffsets(CMatchFinder *p, UInt32 subValue) ++static void MatchFinder_ReduceOffsets(CMatchFinder *p, UInt32 subValue) + { + p->posLimit -= subValue; + p->pos -= subValue; +@@ -268,7 +268,7 @@ static void MatchFinder_SetLimits(CMatch + p->posLimit = p->pos + limit; + } + +-void MatchFinder_Init(CMatchFinder *p) ++static void MatchFinder_Init(CMatchFinder *p) + { + UInt32 i; + for (i = 0; i < p->hashSizeSum; i++) +@@ -287,7 +287,7 @@ static UInt32 MatchFinder_GetSubValue(CM + return (p->pos - p->historySize - 1) & kNormalizeMask; + } + +-void MatchFinder_Normalize3(UInt32 subValue, CLzRef *items, UInt32 numItems) ++static void MatchFinder_Normalize3(UInt32 subValue, CLzRef *items, UInt32 numItems) + { + UInt32 i; + for (i = 0; i < numItems; i++) +@@ -350,7 +350,7 @@ static UInt32 * Hc_GetMatchesSpec(UInt32 + } + } + +-UInt32 * GetMatchesSpec1(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *cur, CLzRef *son, ++static UInt32 * GetMatchesSpec1(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *cur, CLzRef *son, + UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 cutValue, + UInt32 *distances, UInt32 maxLen) + { +@@ -492,7 +492,7 @@ static UInt32 Bt2_MatchFinder_GetMatches + GET_MATCHES_FOOTER(offset, 1) + } + +-UInt32 Bt3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) ++static __maybe_unused UInt32 Bt3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) + { + UInt32 offset; + GET_MATCHES_HEADER(3) +@@ -632,7 +632,7 @@ static UInt32 Hc4_MatchFinder_GetMatches + MOVE_POS_RET + } + +-UInt32 Hc3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) ++static __maybe_unused UInt32 Hc3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) + { + UInt32 offset; + GET_MATCHES_HEADER(3) +@@ -657,7 +657,7 @@ static void Bt2_MatchFinder_Skip(CMatchF + while (--num != 0); + } + +-void Bt3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num) ++static __maybe_unused void Bt3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num) + { + do + { +@@ -718,7 +718,7 @@ static void Hc4_MatchFinder_Skip(CMatchF + while (--num != 0); + } + +-void Hc3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num) ++static __maybe_unused void Hc3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num) + { + do + { diff --git a/target/linux/generic/patches-3.6/512-jffs2_eofdetect.patch b/target/linux/generic/patches-3.6/512-jffs2_eofdetect.patch new file mode 100644 index 0000000000..c0afcd281d --- /dev/null +++ b/target/linux/generic/patches-3.6/512-jffs2_eofdetect.patch @@ -0,0 +1,54 @@ +--- a/fs/jffs2/build.c ++++ b/fs/jffs2/build.c +@@ -112,6 +112,17 @@ static int jffs2_build_filesystem(struct + dbg_fsbuild("scanned flash completely\n"); + jffs2_dbg_dump_block_lists_nolock(c); + ++ if (c->flags & (1 << 7)) { ++ printk("%s(): unlocking the mtd device... ", __func__); ++ if (c->mtd->unlock) ++ c->mtd->unlock(c->mtd, 0, c->mtd->size); ++ printk("done.\n"); ++ ++ printk("%s(): erasing all blocks after the end marker... ", __func__); ++ jffs2_erase_pending_blocks(c, -1); ++ printk("done.\n"); ++ } ++ + dbg_fsbuild("pass 1 starting\n"); + c->flags |= JFFS2_SB_FLAG_BUILDING; + /* Now scan the directory tree, increasing nlink according to every dirent found. */ +--- a/fs/jffs2/scan.c ++++ b/fs/jffs2/scan.c +@@ -147,8 +147,11 @@ int jffs2_scan_medium(struct jffs2_sb_in + /* reset summary info for next eraseblock scan */ + jffs2_sum_reset_collected(s); + +- ret = jffs2_scan_eraseblock(c, jeb, buf_size?flashbuf:(flashbuf+jeb->offset), +- buf_size, s); ++ if (c->flags & (1 << 7)) ++ ret = BLK_STATE_ALLFF; ++ else ++ ret = jffs2_scan_eraseblock(c, jeb, buf_size?flashbuf:(flashbuf+jeb->offset), ++ buf_size, s); + + if (ret < 0) + goto out; +@@ -549,6 +552,17 @@ static int jffs2_scan_eraseblock (struct + return err; + } + ++ if ((buf[0] == 0xde) && ++ (buf[1] == 0xad) && ++ (buf[2] == 0xc0) && ++ (buf[3] == 0xde)) { ++ /* end of filesystem. erase everything after this point */ ++ printk("%s(): End of filesystem marker found at 0x%x\n", __func__, jeb->offset); ++ c->flags |= (1 << 7); ++ ++ return BLK_STATE_ALLFF; ++ } ++ + /* We temporarily use 'ofs' as a pointer into the buffer/jeb */ + ofs = 0; + max_ofs = EMPTY_SCAN_SIZE(c->sector_size); diff --git a/target/linux/generic/patches-3.6/520-squashfs_update_xz_comp_opts.patch b/target/linux/generic/patches-3.6/520-squashfs_update_xz_comp_opts.patch new file mode 100644 index 0000000000..523b89f9ac --- /dev/null +++ b/target/linux/generic/patches-3.6/520-squashfs_update_xz_comp_opts.patch @@ -0,0 +1,25 @@ +From f31b7c0efa255dd17a5f584022a319387f09b0d8 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski <jonas.gorski@gmail.com> +Date: Tue, 12 Apr 2011 19:55:41 +0200 +Subject: [PATCH] squashfs: update xz compressor options struct. + +Update the xz compressor options struct to match the squashfs userspace +one. +--- + fs/squashfs/xz_wrapper.c | 4 +++- + 1 files changed, 3 insertions(+), 1 deletions(-) + +--- a/fs/squashfs/xz_wrapper.c ++++ b/fs/squashfs/xz_wrapper.c +@@ -39,8 +39,10 @@ struct squashfs_xz { + }; + + struct comp_opts { +- __le32 dictionary_size; + __le32 flags; ++ __le16 bit_opts; ++ __le16 fb; ++ __le32 dictionary_size; + }; + + static void *squashfs_xz_init(struct squashfs_sb_info *msblk, void *buff, diff --git a/target/linux/generic/patches-3.6/540-crypto-xz-decompression-support.patch b/target/linux/generic/patches-3.6/540-crypto-xz-decompression-support.patch new file mode 100644 index 0000000000..3b37007305 --- /dev/null +++ b/target/linux/generic/patches-3.6/540-crypto-xz-decompression-support.patch @@ -0,0 +1,146 @@ +--- a/crypto/Kconfig ++++ b/crypto/Kconfig +@@ -924,6 +924,13 @@ config CRYPTO_LZO + help + This is the LZO algorithm. + ++config CRYPTO_XZ ++ tristate "XZ compression algorithm" ++ select CRYPTO_ALGAPI ++ select XZ_DEC ++ help ++ This is the XZ algorithm. Only decompression is supported for now. ++ + comment "Random Number Generation" + + config CRYPTO_ANSI_CPRNG +--- a/crypto/Makefile ++++ b/crypto/Makefile +@@ -82,6 +82,7 @@ obj-$(CONFIG_CRYPTO_MICHAEL_MIC) += mich + obj-$(CONFIG_CRYPTO_CRC32C) += crc32c.o + obj-$(CONFIG_CRYPTO_AUTHENC) += authenc.o authencesn.o + obj-$(CONFIG_CRYPTO_LZO) += lzo.o ++obj-$(CONFIG_CRYPTO_XZ) += xz.o + obj-$(CONFIG_CRYPTO_RNG2) += rng.o + obj-$(CONFIG_CRYPTO_RNG2) += krng.o + obj-$(CONFIG_CRYPTO_ANSI_CPRNG) += ansi_cprng.o +--- /dev/null ++++ b/crypto/xz.c +@@ -0,0 +1,117 @@ ++/* ++ * Cryptographic API. ++ * ++ * XZ decompression support. ++ * ++ * Copyright (c) 2012 Gabor Juhos <juhosg@openwrt.org> ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published by ++ * the Free Software Foundation. ++ * ++ */ ++#include <linux/init.h> ++#include <linux/module.h> ++#include <linux/crypto.h> ++#include <linux/xz.h> ++#include <linux/interrupt.h> ++#include <linux/mm.h> ++#include <linux/net.h> ++ ++struct xz_comp_ctx { ++ struct xz_dec *decomp_state; ++ struct xz_buf decomp_buf; ++}; ++ ++static int crypto_xz_decomp_init(struct xz_comp_ctx *ctx) ++{ ++ ctx->decomp_state = xz_dec_init(XZ_SINGLE, 0); ++ if (!ctx->decomp_state) ++ return -ENOMEM; ++ ++ return 0; ++} ++ ++static void crypto_xz_decomp_exit(struct xz_comp_ctx *ctx) ++{ ++ xz_dec_end(ctx->decomp_state); ++} ++ ++static int crypto_xz_init(struct crypto_tfm *tfm) ++{ ++ struct xz_comp_ctx *ctx = crypto_tfm_ctx(tfm); ++ ++ return crypto_xz_decomp_init(ctx); ++} ++ ++static void crypto_xz_exit(struct crypto_tfm *tfm) ++{ ++ struct xz_comp_ctx *ctx = crypto_tfm_ctx(tfm); ++ ++ crypto_xz_decomp_exit(ctx); ++} ++ ++static int crypto_xz_compress(struct crypto_tfm *tfm, const u8 *src, ++ unsigned int slen, u8 *dst, unsigned int *dlen) ++{ ++ return -EOPNOTSUPP; ++} ++ ++static int crypto_xz_decompress(struct crypto_tfm *tfm, const u8 *src, ++ unsigned int slen, u8 *dst, unsigned int *dlen) ++{ ++ struct xz_comp_ctx *dctx = crypto_tfm_ctx(tfm); ++ struct xz_buf *xz_buf = &dctx->decomp_buf; ++ int ret; ++ ++ memset(xz_buf, '\0', sizeof(struct xz_buf)); ++ ++ xz_buf->in = (u8 *) src; ++ xz_buf->in_pos = 0; ++ xz_buf->in_size = slen; ++ xz_buf->out = (u8 *) dst; ++ xz_buf->out_pos = 0; ++ xz_buf->out_size = *dlen; ++ ++ ret = xz_dec_run(dctx->decomp_state, xz_buf); ++ if (ret != XZ_STREAM_END) { ++ ret = -EINVAL; ++ goto out; ++ } ++ ++ *dlen = xz_buf->out_pos; ++ ret = 0; ++ ++out: ++ return ret; ++} ++ ++static struct crypto_alg crypto_xz_alg = { ++ .cra_name = "xz", ++ .cra_flags = CRYPTO_ALG_TYPE_COMPRESS, ++ .cra_ctxsize = sizeof(struct xz_comp_ctx), ++ .cra_module = THIS_MODULE, ++ .cra_list = LIST_HEAD_INIT(crypto_xz_alg.cra_list), ++ .cra_init = crypto_xz_init, ++ .cra_exit = crypto_xz_exit, ++ .cra_u = { .compress = { ++ .coa_compress = crypto_xz_compress, ++ .coa_decompress = crypto_xz_decompress } } ++}; ++ ++static int __init crypto_xz_mod_init(void) ++{ ++ return crypto_register_alg(&crypto_xz_alg); ++} ++ ++static void __exit crypto_xz_mod_exit(void) ++{ ++ crypto_unregister_alg(&crypto_xz_alg); ++} ++ ++module_init(crypto_xz_mod_init); ++module_exit(crypto_xz_mod_exit); ++ ++MODULE_LICENSE("GPL v2"); ++MODULE_DESCRIPTION("Crypto XZ decompression support"); ++MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>"); diff --git a/target/linux/generic/patches-3.6/541-ubifs-xz-decompression-support.patch b/target/linux/generic/patches-3.6/541-ubifs-xz-decompression-support.patch new file mode 100644 index 0000000000..212670f4ec --- /dev/null +++ b/target/linux/generic/patches-3.6/541-ubifs-xz-decompression-support.patch @@ -0,0 +1,92 @@ +--- a/fs/ubifs/Kconfig ++++ b/fs/ubifs/Kconfig +@@ -5,8 +5,10 @@ + select CRYPTO if UBIFS_FS_ADVANCED_COMPR + select CRYPTO if UBIFS_FS_LZO + select CRYPTO if UBIFS_FS_ZLIB ++ select CRYPTO if UBIFS_FS_XZ + select CRYPTO_LZO if UBIFS_FS_LZO + select CRYPTO_DEFLATE if UBIFS_FS_ZLIB ++ select CRYPTO_XZ if UBIFS_FS_XZ + depends on MTD_UBI + help + UBIFS is a file system for flash devices which works on top of UBI. +@@ -35,3 +37,12 @@ + default y + help + Zlib compresses better than LZO but it is slower. Say 'Y' if unsure. ++ ++config UBIFS_FS_XZ ++ bool "XZ decompression support" if UBIFS_FS_ADVANCED_COMPR ++ depends on UBIFS_FS ++ default y ++ help ++ XZ compresses better the ZLIB but it is slower.. ++ Say 'Y' if unsure. ++ +--- a/fs/ubifs/compress.c ++++ b/fs/ubifs/compress.c +@@ -71,6 +71,24 @@ static struct ubifs_compressor zlib_comp + }; + #endif + ++#ifdef CONFIG_UBIFS_FS_XZ ++static DEFINE_MUTEX(xz_enc_mutex); ++static DEFINE_MUTEX(xz_dec_mutex); ++ ++static struct ubifs_compressor xz_compr = { ++ .compr_type = UBIFS_COMPR_XZ, ++ .comp_mutex = &xz_enc_mutex, ++ .decomp_mutex = &xz_dec_mutex, ++ .name = "xz", ++ .capi_name = "xz", ++}; ++#else ++static struct ubifs_compressor zlib_compr = { ++ .compr_type = UBIFS_COMPR_XZ, ++ .name = "xz", ++}; ++#endif ++ + /* All UBIFS compressors */ + struct ubifs_compressor *ubifs_compressors[UBIFS_COMPR_TYPES_CNT]; + +@@ -233,9 +251,15 @@ int __init ubifs_compressors_init(void) + if (err) + goto out_lzo; + ++ err = compr_init(&xz_compr); ++ if (err) ++ goto out_zlib; ++ + ubifs_compressors[UBIFS_COMPR_NONE] = &none_compr; + return 0; + ++out_zlib: ++ compr_exit(&zlib_compr); + out_lzo: + compr_exit(&lzo_compr); + return err; +@@ -248,4 +272,5 @@ void ubifs_compressors_exit(void) + { + compr_exit(&lzo_compr); + compr_exit(&zlib_compr); ++ compr_exit(&xz_compr); + } +--- a/fs/ubifs/ubifs-media.h ++++ b/fs/ubifs/ubifs-media.h +@@ -332,12 +332,14 @@ enum { + * UBIFS_COMPR_NONE: no compression + * UBIFS_COMPR_LZO: LZO compression + * UBIFS_COMPR_ZLIB: ZLIB compression ++ * UBIFS_COMPR_XZ: XZ compression + * UBIFS_COMPR_TYPES_CNT: count of supported compression types + */ + enum { + UBIFS_COMPR_NONE, + UBIFS_COMPR_LZO, + UBIFS_COMPR_ZLIB, ++ UBIFS_COMPR_XZ, + UBIFS_COMPR_TYPES_CNT, + }; + diff --git a/target/linux/generic/patches-3.6/550-ubifs-symlink-xattr-support.patch b/target/linux/generic/patches-3.6/550-ubifs-symlink-xattr-support.patch new file mode 100644 index 0000000000..b0d818e8df --- /dev/null +++ b/target/linux/generic/patches-3.6/550-ubifs-symlink-xattr-support.patch @@ -0,0 +1,67 @@ +--- a/fs/ubifs/file.c ++++ b/fs/ubifs/file.c +@@ -1575,6 +1575,12 @@ const struct inode_operations ubifs_syml + .follow_link = ubifs_follow_link, + .setattr = ubifs_setattr, + .getattr = ubifs_getattr, ++#ifdef CONFIG_UBIFS_FS_XATTR ++ .setxattr = ubifs_setxattr, ++ .getxattr = ubifs_getxattr, ++ .listxattr = ubifs_listxattr, ++ .removexattr = ubifs_removexattr, ++#endif + }; + + const struct file_operations ubifs_file_operations = { +--- a/fs/ubifs/journal.c ++++ b/fs/ubifs/journal.c +@@ -553,7 +553,8 @@ int ubifs_jnl_update(struct ubifs_info * + + dbg_jnl("ino %lu, dent '%.*s', data len %d in dir ino %lu", + inode->i_ino, nm->len, nm->name, ui->data_len, dir->i_ino); +- ubifs_assert(dir_ui->data_len == 0); ++ if (!xent) ++ ubifs_assert(dir_ui->data_len == 0); + ubifs_assert(mutex_is_locked(&dir_ui->ui_mutex)); + + dlen = UBIFS_DENT_NODE_SZ + nm->len + 1; +@@ -573,6 +574,13 @@ int ubifs_jnl_update(struct ubifs_info * + aligned_dlen = ALIGN(dlen, 8); + aligned_ilen = ALIGN(ilen, 8); + len = aligned_dlen + aligned_ilen + UBIFS_INO_NODE_SZ; ++ if (xent) { ++ /* ++ * Make sure to account for dir_ui->data_len in ++ * length calculation in case there is extended attribute. ++ */ ++ len += dir_ui->data_len; ++ } + dent = kmalloc(len, GFP_NOFS); + if (!dent) + return -ENOMEM; +@@ -649,7 +657,8 @@ int ubifs_jnl_update(struct ubifs_info * + + ino_key_init(c, &ino_key, dir->i_ino); + ino_offs += aligned_ilen; +- err = ubifs_tnc_add(c, &ino_key, lnum, ino_offs, UBIFS_INO_NODE_SZ); ++ err = ubifs_tnc_add(c, &ino_key, lnum, ino_offs, ++ UBIFS_INO_NODE_SZ + dir_ui->data_len); + if (err) + goto out_ro; + +--- a/fs/ubifs/xattr.c ++++ b/fs/ubifs/xattr.c +@@ -209,12 +209,12 @@ static int change_xattr(struct ubifs_inf + goto out_free; + } + inode->i_size = ui->ui_size = size; +- ui->data_len = size; + + mutex_lock(&host_ui->ui_mutex); + host->i_ctime = ubifs_current_time(host); + host_ui->xattr_size -= CALC_XATTR_BYTES(ui->data_len); + host_ui->xattr_size += CALC_XATTR_BYTES(size); ++ ui->data_len = size; + + /* + * It is important to write the host inode after the xattr inode diff --git a/target/linux/generic/patches-3.6/600-netfilter_layer7_2.22.patch b/target/linux/generic/patches-3.6/600-netfilter_layer7_2.22.patch new file mode 100644 index 0000000000..f3055590ab --- /dev/null +++ b/target/linux/generic/patches-3.6/600-netfilter_layer7_2.22.patch @@ -0,0 +1,2142 @@ +--- a/net/netfilter/Kconfig ++++ b/net/netfilter/Kconfig +@@ -1053,6 +1053,27 @@ config NETFILTER_XT_MATCH_STATE + + To compile it as a module, choose M here. If unsure, say N. + ++config NETFILTER_XT_MATCH_LAYER7 ++ tristate '"layer7" match support' ++ depends on NETFILTER_XTABLES ++ depends on EXPERIMENTAL && (IP_NF_CONNTRACK || NF_CONNTRACK) ++ depends on NETFILTER_ADVANCED ++ help ++ Say Y if you want to be able to classify connections (and their ++ packets) based on regular expression matching of their application ++ layer data. This is one way to classify applications such as ++ peer-to-peer filesharing systems that do not always use the same ++ port. ++ ++ To compile it as a module, choose M here. If unsure, say N. ++ ++config NETFILTER_XT_MATCH_LAYER7_DEBUG ++ bool 'Layer 7 debugging output' ++ depends on NETFILTER_XT_MATCH_LAYER7 ++ help ++ Say Y to get lots of debugging output. ++ ++ + config NETFILTER_XT_MATCH_STATISTIC + tristate '"statistic" match support' + depends on NETFILTER_ADVANCED +--- a/net/netfilter/Makefile ++++ b/net/netfilter/Makefile +@@ -105,6 +105,7 @@ obj-$(CONFIG_NETFILTER_XT_MATCH_RECENT) + obj-$(CONFIG_NETFILTER_XT_MATCH_SCTP) += xt_sctp.o + obj-$(CONFIG_NETFILTER_XT_MATCH_SOCKET) += xt_socket.o + obj-$(CONFIG_NETFILTER_XT_MATCH_STATE) += xt_state.o ++obj-$(CONFIG_NETFILTER_XT_MATCH_LAYER7) += xt_layer7.o + obj-$(CONFIG_NETFILTER_XT_MATCH_STATISTIC) += xt_statistic.o + obj-$(CONFIG_NETFILTER_XT_MATCH_STRING) += xt_string.o + obj-$(CONFIG_NETFILTER_XT_MATCH_TCPMSS) += xt_tcpmss.o +--- /dev/null ++++ b/net/netfilter/xt_layer7.c +@@ -0,0 +1,666 @@ ++/* ++ Kernel module to match application layer (OSI layer 7) data in connections. ++ ++ http://l7-filter.sf.net ++ ++ (C) 2003-2009 Matthew Strait and Ethan Sommer. ++ ++ This program is free software; you can redistribute it and/or ++ modify it under the terms of the GNU General Public License ++ as published by the Free Software Foundation; either version ++ 2 of the License, or (at your option) any later version. ++ http://www.gnu.org/licenses/gpl.txt ++ ++ Based on ipt_string.c (C) 2000 Emmanuel Roger <winfield@freegates.be>, ++ xt_helper.c (C) 2002 Harald Welte and cls_layer7.c (C) 2003 Matthew Strait, ++ Ethan Sommer, Justin Levandoski. ++*/ ++ ++#include <linux/spinlock.h> ++#include <linux/version.h> ++#include <net/ip.h> ++#include <net/tcp.h> ++#include <linux/module.h> ++#include <linux/skbuff.h> ++#include <linux/netfilter.h> ++#include <net/netfilter/nf_conntrack.h> ++#include <net/netfilter/nf_conntrack_core.h> ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) ++#include <net/netfilter/nf_conntrack_extend.h> ++#include <net/netfilter/nf_conntrack_acct.h> ++#endif ++#include <linux/netfilter/x_tables.h> ++#include <linux/netfilter/xt_layer7.h> ++#include <linux/ctype.h> ++#include <linux/proc_fs.h> ++ ++#include "regexp/regexp.c" ++ ++MODULE_LICENSE("GPL"); ++MODULE_AUTHOR("Matthew Strait <quadong@users.sf.net>, Ethan Sommer <sommere@users.sf.net>"); ++MODULE_DESCRIPTION("iptables application layer match module"); ++MODULE_ALIAS("ipt_layer7"); ++MODULE_VERSION("2.21"); ++ ++static int maxdatalen = 2048; // this is the default ++module_param(maxdatalen, int, 0444); ++MODULE_PARM_DESC(maxdatalen, "maximum bytes of data looked at by l7-filter"); ++#ifdef CONFIG_NETFILTER_XT_MATCH_LAYER7_DEBUG ++ #define DPRINTK(format,args...) printk(format,##args) ++#else ++ #define DPRINTK(format,args...) ++#endif ++ ++/* Number of packets whose data we look at. ++This can be modified through /proc/net/layer7_numpackets */ ++static int num_packets = 10; ++ ++static struct pattern_cache { ++ char * regex_string; ++ regexp * pattern; ++ struct pattern_cache * next; ++} * first_pattern_cache = NULL; ++ ++DEFINE_SPINLOCK(l7_lock); ++ ++static int total_acct_packets(struct nf_conn *ct) ++{ ++#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 26) ++ BUG_ON(ct == NULL); ++ return (ct->counters[IP_CT_DIR_ORIGINAL].packets + ct->counters[IP_CT_DIR_REPLY].packets); ++#else ++ struct nf_conn_counter *acct; ++ ++ BUG_ON(ct == NULL); ++ acct = nf_conn_acct_find(ct); ++ if (!acct) ++ return 0; ++ return (atomic64_read(&acct[IP_CT_DIR_ORIGINAL].packets) + atomic64_read(&acct[IP_CT_DIR_REPLY].packets)); ++#endif ++} ++ ++#ifdef CONFIG_IP_NF_MATCH_LAYER7_DEBUG ++/* Converts an unfriendly string into a friendly one by ++replacing unprintables with periods and all whitespace with " ". */ ++static char * friendly_print(unsigned char * s) ++{ ++ char * f = kmalloc(strlen(s) + 1, GFP_ATOMIC); ++ int i; ++ ++ if(!f) { ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: out of memory in " ++ "friendly_print, bailing.\n"); ++ return NULL; ++ } ++ ++ for(i = 0; i < strlen(s); i++){ ++ if(isprint(s[i]) && s[i] < 128) f[i] = s[i]; ++ else if(isspace(s[i])) f[i] = ' '; ++ else f[i] = '.'; ++ } ++ f[i] = '\0'; ++ return f; ++} ++ ++static char dec2hex(int i) ++{ ++ switch (i) { ++ case 0 ... 9: ++ return (i + '0'); ++ break; ++ case 10 ... 15: ++ return (i - 10 + 'a'); ++ break; ++ default: ++ if (net_ratelimit()) ++ printk("layer7: Problem in dec2hex\n"); ++ return '\0'; ++ } ++} ++ ++static char * hex_print(unsigned char * s) ++{ ++ char * g = kmalloc(strlen(s)*3 + 1, GFP_ATOMIC); ++ int i; ++ ++ if(!g) { ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: out of memory in hex_print, " ++ "bailing.\n"); ++ return NULL; ++ } ++ ++ for(i = 0; i < strlen(s); i++) { ++ g[i*3 ] = dec2hex(s[i]/16); ++ g[i*3 + 1] = dec2hex(s[i]%16); ++ g[i*3 + 2] = ' '; ++ } ++ g[i*3] = '\0'; ++ ++ return g; ++} ++#endif // DEBUG ++ ++/* Use instead of regcomp. As we expect to be seeing the same regexps over and ++over again, it make sense to cache the results. */ ++static regexp * compile_and_cache(const char * regex_string, ++ const char * protocol) ++{ ++ struct pattern_cache * node = first_pattern_cache; ++ struct pattern_cache * last_pattern_cache = first_pattern_cache; ++ struct pattern_cache * tmp; ++ unsigned int len; ++ ++ while (node != NULL) { ++ if (!strcmp(node->regex_string, regex_string)) ++ return node->pattern; ++ ++ last_pattern_cache = node;/* points at the last non-NULL node */ ++ node = node->next; ++ } ++ ++ /* If we reach the end of the list, then we have not yet cached ++ the pattern for this regex. Let's do that now. ++ Be paranoid about running out of memory to avoid list corruption. */ ++ tmp = kmalloc(sizeof(struct pattern_cache), GFP_ATOMIC); ++ ++ if(!tmp) { ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: out of memory in " ++ "compile_and_cache, bailing.\n"); ++ return NULL; ++ } ++ ++ tmp->regex_string = kmalloc(strlen(regex_string) + 1, GFP_ATOMIC); ++ tmp->pattern = kmalloc(sizeof(struct regexp), GFP_ATOMIC); ++ tmp->next = NULL; ++ ++ if(!tmp->regex_string || !tmp->pattern) { ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: out of memory in " ++ "compile_and_cache, bailing.\n"); ++ kfree(tmp->regex_string); ++ kfree(tmp->pattern); ++ kfree(tmp); ++ return NULL; ++ } ++ ++ /* Ok. The new node is all ready now. */ ++ node = tmp; ++ ++ if(first_pattern_cache == NULL) /* list is empty */ ++ first_pattern_cache = node; /* make node the beginning */ ++ else ++ last_pattern_cache->next = node; /* attach node to the end */ ++ ++ /* copy the string and compile the regex */ ++ len = strlen(regex_string); ++ DPRINTK("About to compile this: \"%s\"\n", regex_string); ++ node->pattern = regcomp((char *)regex_string, &len); ++ if ( !node->pattern ) { ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: Error compiling regexp " ++ "\"%s\" (%s)\n", ++ regex_string, protocol); ++ /* pattern is now cached as NULL, so we won't try again. */ ++ } ++ ++ strcpy(node->regex_string, regex_string); ++ return node->pattern; ++} ++ ++static int can_handle(const struct sk_buff *skb) ++{ ++ if(!ip_hdr(skb)) /* not IP */ ++ return 0; ++ if(ip_hdr(skb)->protocol != IPPROTO_TCP && ++ ip_hdr(skb)->protocol != IPPROTO_UDP && ++ ip_hdr(skb)->protocol != IPPROTO_ICMP) ++ return 0; ++ return 1; ++} ++ ++/* Returns offset the into the skb->data that the application data starts */ ++static int app_data_offset(const struct sk_buff *skb) ++{ ++ /* In case we are ported somewhere (ebtables?) where ip_hdr(skb) ++ isn't set, this can be gotten from 4*(skb->data[0] & 0x0f) as well. */ ++ int ip_hl = 4*ip_hdr(skb)->ihl; ++ ++ if( ip_hdr(skb)->protocol == IPPROTO_TCP ) { ++ /* 12 == offset into TCP header for the header length field. ++ Can't get this with skb->h.th->doff because the tcphdr ++ struct doesn't get set when routing (this is confirmed to be ++ true in Netfilter as well as QoS.) */ ++ int tcp_hl = 4*(skb->data[ip_hl + 12] >> 4); ++ ++ return ip_hl + tcp_hl; ++ } else if( ip_hdr(skb)->protocol == IPPROTO_UDP ) { ++ return ip_hl + 8; /* UDP header is always 8 bytes */ ++ } else if( ip_hdr(skb)->protocol == IPPROTO_ICMP ) { ++ return ip_hl + 8; /* ICMP header is 8 bytes */ ++ } else { ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: tried to handle unknown " ++ "protocol!\n"); ++ return ip_hl + 8; /* something reasonable */ ++ } ++} ++ ++/* handles whether there's a match when we aren't appending data anymore */ ++static int match_no_append(struct nf_conn * conntrack, ++ struct nf_conn * master_conntrack, ++ enum ip_conntrack_info ctinfo, ++ enum ip_conntrack_info master_ctinfo, ++ const struct xt_layer7_info * info) ++{ ++ /* If we're in here, throw the app data away */ ++ if(master_conntrack->layer7.app_data != NULL) { ++ ++ #ifdef CONFIG_IP_NF_MATCH_LAYER7_DEBUG ++ if(!master_conntrack->layer7.app_proto) { ++ char * f = ++ friendly_print(master_conntrack->layer7.app_data); ++ char * g = ++ hex_print(master_conntrack->layer7.app_data); ++ DPRINTK("\nl7-filter gave up after %d bytes " ++ "(%d packets):\n%s\n", ++ strlen(f), total_acct_packets(master_conntrack), f); ++ kfree(f); ++ DPRINTK("In hex: %s\n", g); ++ kfree(g); ++ } ++ #endif ++ ++ kfree(master_conntrack->layer7.app_data); ++ master_conntrack->layer7.app_data = NULL; /* don't free again */ ++ } ++ ++ if(master_conntrack->layer7.app_proto){ ++ /* Here child connections set their .app_proto (for /proc) */ ++ if(!conntrack->layer7.app_proto) { ++ conntrack->layer7.app_proto = ++ kmalloc(strlen(master_conntrack->layer7.app_proto)+1, ++ GFP_ATOMIC); ++ if(!conntrack->layer7.app_proto){ ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: out of memory " ++ "in match_no_append, " ++ "bailing.\n"); ++ return 1; ++ } ++ strcpy(conntrack->layer7.app_proto, ++ master_conntrack->layer7.app_proto); ++ } ++ ++ return (!strcmp(master_conntrack->layer7.app_proto, ++ info->protocol)); ++ } ++ else { ++ /* If not classified, set to "unknown" to distinguish from ++ connections that are still being tested. */ ++ master_conntrack->layer7.app_proto = ++ kmalloc(strlen("unknown")+1, GFP_ATOMIC); ++ if(!master_conntrack->layer7.app_proto){ ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: out of memory in " ++ "match_no_append, bailing.\n"); ++ return 1; ++ } ++ strcpy(master_conntrack->layer7.app_proto, "unknown"); ++ return 0; ++ } ++} ++ ++/* add the new app data to the conntrack. Return number of bytes added. */ ++static int add_data(struct nf_conn * master_conntrack, ++ char * app_data, int appdatalen) ++{ ++ int length = 0, i; ++ int oldlength = master_conntrack->layer7.app_data_len; ++ ++ /* This is a fix for a race condition by Deti Fliegl. However, I'm not ++ clear on whether the race condition exists or whether this really ++ fixes it. I might just be being dense... Anyway, if it's not really ++ a fix, all it does is waste a very small amount of time. */ ++ if(!master_conntrack->layer7.app_data) return 0; ++ ++ /* Strip nulls. Make everything lower case (our regex lib doesn't ++ do case insensitivity). Add it to the end of the current data. */ ++ for(i = 0; i < maxdatalen-oldlength-1 && ++ i < appdatalen; i++) { ++ if(app_data[i] != '\0') { ++ /* the kernel version of tolower mungs 'upper ascii' */ ++ master_conntrack->layer7.app_data[length+oldlength] = ++ isascii(app_data[i])? ++ tolower(app_data[i]) : app_data[i]; ++ length++; ++ } ++ } ++ ++ master_conntrack->layer7.app_data[length+oldlength] = '\0'; ++ master_conntrack->layer7.app_data_len = length + oldlength; ++ ++ return length; ++} ++ ++/* taken from drivers/video/modedb.c */ ++static int my_atoi(const char *s) ++{ ++ int val = 0; ++ ++ for (;; s++) { ++ switch (*s) { ++ case '0'...'9': ++ val = 10*val+(*s-'0'); ++ break; ++ default: ++ return val; ++ } ++ } ++} ++ ++/* write out num_packets to userland. */ ++static int layer7_read_proc(char* page, char ** start, off_t off, int count, ++ int* eof, void * data) ++{ ++ if(num_packets > 99 && net_ratelimit()) ++ printk(KERN_ERR "layer7: NOT REACHED. num_packets too big\n"); ++ ++ page[0] = num_packets/10 + '0'; ++ page[1] = num_packets%10 + '0'; ++ page[2] = '\n'; ++ page[3] = '\0'; ++ ++ *eof=1; ++ ++ return 3; ++} ++ ++/* Read in num_packets from userland */ ++static int layer7_write_proc(struct file* file, const char* buffer, ++ unsigned long count, void *data) ++{ ++ char * foo = kmalloc(count, GFP_ATOMIC); ++ ++ if(!foo){ ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: out of memory, bailing. " ++ "num_packets unchanged.\n"); ++ return count; ++ } ++ ++ if(copy_from_user(foo, buffer, count)) { ++ return -EFAULT; ++ } ++ ++ ++ num_packets = my_atoi(foo); ++ kfree (foo); ++ ++ /* This has an arbitrary limit to make the math easier. I'm lazy. ++ But anyway, 99 is a LOT! If you want more, you're doing it wrong! */ ++ if(num_packets > 99) { ++ printk(KERN_WARNING "layer7: num_packets can't be > 99.\n"); ++ num_packets = 99; ++ } else if(num_packets < 1) { ++ printk(KERN_WARNING "layer7: num_packets can't be < 1.\n"); ++ num_packets = 1; ++ } ++ ++ return count; ++} ++ ++static bool ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28) ++match(const struct sk_buff *skbin, const struct xt_match_param *par) ++#else ++match(const struct sk_buff *skbin, ++ const struct net_device *in, ++ const struct net_device *out, ++ const struct xt_match *match, ++ const void *matchinfo, ++ int offset, ++ unsigned int protoff, ++ bool *hotdrop) ++#endif ++{ ++ /* sidestep const without getting a compiler warning... */ ++ struct sk_buff * skb = (struct sk_buff *)skbin; ++ ++ const struct xt_layer7_info * info = ++ #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28) ++ par->matchinfo; ++ #else ++ matchinfo; ++ #endif ++ ++ enum ip_conntrack_info master_ctinfo, ctinfo; ++ struct nf_conn *master_conntrack, *conntrack; ++ unsigned char * app_data; ++ unsigned int pattern_result, appdatalen; ++ regexp * comppattern; ++ ++ /* Be paranoid/incompetent - lock the entire match function. */ ++ spin_lock_bh(&l7_lock); ++ ++ if(!can_handle(skb)){ ++ DPRINTK("layer7: This is some protocol I can't handle.\n"); ++ spin_unlock_bh(&l7_lock); ++ return info->invert; ++ } ++ ++ /* Treat parent & all its children together as one connection, except ++ for the purpose of setting conntrack->layer7.app_proto in the actual ++ connection. This makes /proc/net/ip_conntrack more satisfying. */ ++ if(!(conntrack = nf_ct_get(skb, &ctinfo)) || ++ !(master_conntrack=nf_ct_get(skb,&master_ctinfo))){ ++ DPRINTK("layer7: couldn't get conntrack.\n"); ++ spin_unlock_bh(&l7_lock); ++ return info->invert; ++ } ++ ++ /* Try to get a master conntrack (and its master etc) for FTP, etc. */ ++ while (master_ct(master_conntrack) != NULL) ++ master_conntrack = master_ct(master_conntrack); ++ ++ /* if we've classified it or seen too many packets */ ++ if(total_acct_packets(master_conntrack) > num_packets || ++ master_conntrack->layer7.app_proto) { ++ ++ pattern_result = match_no_append(conntrack, master_conntrack, ++ ctinfo, master_ctinfo, info); ++ ++ /* skb->cb[0] == seen. Don't do things twice if there are ++ multiple l7 rules. I'm not sure that using cb for this purpose ++ is correct, even though it says "put your private variables ++ there". But it doesn't look like it is being used for anything ++ else in the skbs that make it here. */ ++ skb->cb[0] = 1; /* marking it seen here's probably irrelevant */ ++ ++ spin_unlock_bh(&l7_lock); ++ return (pattern_result ^ info->invert); ++ } ++ ++ if(skb_is_nonlinear(skb)){ ++ if(skb_linearize(skb) != 0){ ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: failed to linearize " ++ "packet, bailing.\n"); ++ spin_unlock_bh(&l7_lock); ++ return info->invert; ++ } ++ } ++ ++ /* now that the skb is linearized, it's safe to set these. */ ++ app_data = skb->data + app_data_offset(skb); ++ appdatalen = skb_tail_pointer(skb) - app_data; ++ ++ /* the return value gets checked later, when we're ready to use it */ ++ comppattern = compile_and_cache(info->pattern, info->protocol); ++ ++ /* On the first packet of a connection, allocate space for app data */ ++ if(total_acct_packets(master_conntrack) == 1 && !skb->cb[0] && ++ !master_conntrack->layer7.app_data){ ++ master_conntrack->layer7.app_data = ++ kmalloc(maxdatalen, GFP_ATOMIC); ++ if(!master_conntrack->layer7.app_data){ ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: out of memory in " ++ "match, bailing.\n"); ++ spin_unlock_bh(&l7_lock); ++ return info->invert; ++ } ++ ++ master_conntrack->layer7.app_data[0] = '\0'; ++ } ++ ++ /* Can be here, but unallocated, if numpackets is increased near ++ the beginning of a connection */ ++ if(master_conntrack->layer7.app_data == NULL){ ++ spin_unlock_bh(&l7_lock); ++ return info->invert; /* unmatched */ ++ } ++ ++ if(!skb->cb[0]){ ++ int newbytes; ++ newbytes = add_data(master_conntrack, app_data, appdatalen); ++ ++ if(newbytes == 0) { /* didn't add any data */ ++ skb->cb[0] = 1; ++ /* Didn't match before, not going to match now */ ++ spin_unlock_bh(&l7_lock); ++ return info->invert; ++ } ++ } ++ ++ /* If looking for "unknown", then never match. "Unknown" means that ++ we've given up; we're still trying with these packets. */ ++ if(!strcmp(info->protocol, "unknown")) { ++ pattern_result = 0; ++ /* If looking for "unset", then always match. "Unset" means that we ++ haven't yet classified the connection. */ ++ } else if(!strcmp(info->protocol, "unset")) { ++ pattern_result = 2; ++ DPRINTK("layer7: matched unset: not yet classified " ++ "(%d/%d packets)\n", ++ total_acct_packets(master_conntrack), num_packets); ++ /* If the regexp failed to compile, don't bother running it */ ++ } else if(comppattern && ++ regexec(comppattern, master_conntrack->layer7.app_data)){ ++ DPRINTK("layer7: matched %s\n", info->protocol); ++ pattern_result = 1; ++ } else pattern_result = 0; ++ ++ if(pattern_result == 1) { ++ master_conntrack->layer7.app_proto = ++ kmalloc(strlen(info->protocol)+1, GFP_ATOMIC); ++ if(!master_conntrack->layer7.app_proto){ ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: out of memory in " ++ "match, bailing.\n"); ++ spin_unlock_bh(&l7_lock); ++ return (pattern_result ^ info->invert); ++ } ++ strcpy(master_conntrack->layer7.app_proto, info->protocol); ++ } else if(pattern_result > 1) { /* cleanup from "unset" */ ++ pattern_result = 1; ++ } ++ ++ /* mark the packet seen */ ++ skb->cb[0] = 1; ++ ++ spin_unlock_bh(&l7_lock); ++ return (pattern_result ^ info->invert); ++} ++ ++// load nf_conntrack_ipv4 ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28) ++static bool check(const struct xt_mtchk_param *par) ++{ ++ if (nf_ct_l3proto_try_module_get(par->match->family) < 0) { ++ printk(KERN_WARNING "can't load conntrack support for " ++ "proto=%d\n", par->match->family); ++#else ++static bool check(const char *tablename, const void *inf, ++ const struct xt_match *match, void *matchinfo, ++ unsigned int hook_mask) ++{ ++ if (nf_ct_l3proto_try_module_get(match->family) < 0) { ++ printk(KERN_WARNING "can't load conntrack support for " ++ "proto=%d\n", match->family); ++#endif ++ return 0; ++ } ++ return 1; ++} ++ ++ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28) ++ static void destroy(const struct xt_mtdtor_param *par) ++ { ++ nf_ct_l3proto_module_put(par->match->family); ++ } ++#else ++ static void destroy(const struct xt_match *match, void *matchinfo) ++ { ++ nf_ct_l3proto_module_put(match->family); ++ } ++#endif ++ ++static struct xt_match xt_layer7_match[] __read_mostly = { ++{ ++ .name = "layer7", ++ .family = AF_INET, ++ .checkentry = check, ++ .match = match, ++ .destroy = destroy, ++ .matchsize = sizeof(struct xt_layer7_info), ++ .me = THIS_MODULE ++} ++}; ++ ++static void layer7_cleanup_proc(void) ++{ ++ remove_proc_entry("layer7_numpackets", init_net.proc_net); ++} ++ ++/* register the proc file */ ++static void layer7_init_proc(void) ++{ ++ struct proc_dir_entry* entry; ++ entry = create_proc_entry("layer7_numpackets", 0644, init_net.proc_net); ++ entry->read_proc = layer7_read_proc; ++ entry->write_proc = layer7_write_proc; ++} ++ ++static int __init xt_layer7_init(void) ++{ ++ need_conntrack(); ++ ++ layer7_init_proc(); ++ if(maxdatalen < 1) { ++ printk(KERN_WARNING "layer7: maxdatalen can't be < 1, " ++ "using 1\n"); ++ maxdatalen = 1; ++ } ++ /* This is not a hard limit. It's just here to prevent people from ++ bringing their slow machines to a grinding halt. */ ++ else if(maxdatalen > 65536) { ++ printk(KERN_WARNING "layer7: maxdatalen can't be > 65536, " ++ "using 65536\n"); ++ maxdatalen = 65536; ++ } ++ return xt_register_matches(xt_layer7_match, ++ ARRAY_SIZE(xt_layer7_match)); ++} ++ ++static void __exit xt_layer7_fini(void) ++{ ++ layer7_cleanup_proc(); ++ xt_unregister_matches(xt_layer7_match, ARRAY_SIZE(xt_layer7_match)); ++} ++ ++module_init(xt_layer7_init); ++module_exit(xt_layer7_fini); +--- /dev/null ++++ b/net/netfilter/regexp/regexp.c +@@ -0,0 +1,1197 @@ ++/* ++ * regcomp and regexec -- regsub and regerror are elsewhere ++ * @(#)regexp.c 1.3 of 18 April 87 ++ * ++ * Copyright (c) 1986 by University of Toronto. ++ * Written by Henry Spencer. Not derived from licensed software. ++ * ++ * Permission is granted to anyone to use this software for any ++ * purpose on any computer system, and to redistribute it freely, ++ * subject to the following restrictions: ++ * ++ * 1. The author is not responsible for the consequences of use of ++ * this software, no matter how awful, even if they arise ++ * from defects in it. ++ * ++ * 2. The origin of this software must not be misrepresented, either ++ * by explicit claim or by omission. ++ * ++ * 3. Altered versions must be plainly marked as such, and must not ++ * be misrepresented as being the original software. ++ * ++ * Beware that some of this code is subtly aware of the way operator ++ * precedence is structured in regular expressions. Serious changes in ++ * regular-expression syntax might require a total rethink. ++ * ++ * This code was modified by Ethan Sommer to work within the kernel ++ * (it now uses kmalloc etc..) ++ * ++ * Modified slightly by Matthew Strait to use more modern C. ++ */ ++ ++#include "regexp.h" ++#include "regmagic.h" ++ ++/* added by ethan and matt. Lets it work in both kernel and user space. ++(So iptables can use it, for instance.) Yea, it goes both ways... */ ++#if __KERNEL__ ++ #define malloc(foo) kmalloc(foo,GFP_ATOMIC) ++#else ++ #define printk(format,args...) printf(format,##args) ++#endif ++ ++void regerror(char * s) ++{ ++ printk("<3>Regexp: %s\n", s); ++ /* NOTREACHED */ ++} ++ ++/* ++ * The "internal use only" fields in regexp.h are present to pass info from ++ * compile to execute that permits the execute phase to run lots faster on ++ * simple cases. They are: ++ * ++ * regstart char that must begin a match; '\0' if none obvious ++ * reganch is the match anchored (at beginning-of-line only)? ++ * regmust string (pointer into program) that match must include, or NULL ++ * regmlen length of regmust string ++ * ++ * Regstart and reganch permit very fast decisions on suitable starting points ++ * for a match, cutting down the work a lot. Regmust permits fast rejection ++ * of lines that cannot possibly match. The regmust tests are costly enough ++ * that regcomp() supplies a regmust only if the r.e. contains something ++ * potentially expensive (at present, the only such thing detected is * or + ++ * at the start of the r.e., which can involve a lot of backup). Regmlen is ++ * supplied because the test in regexec() needs it and regcomp() is computing ++ * it anyway. ++ */ ++ ++/* ++ * Structure for regexp "program". This is essentially a linear encoding ++ * of a nondeterministic finite-state machine (aka syntax charts or ++ * "railroad normal form" in parsing technology). Each node is an opcode ++ * plus a "next" pointer, possibly plus an operand. "Next" pointers of ++ * all nodes except BRANCH implement concatenation; a "next" pointer with ++ * a BRANCH on both ends of it is connecting two alternatives. (Here we ++ * have one of the subtle syntax dependencies: an individual BRANCH (as ++ * opposed to a collection of them) is never concatenated with anything ++ * because of operator precedence.) The operand of some types of node is ++ * a literal string; for others, it is a node leading into a sub-FSM. In ++ * particular, the operand of a BRANCH node is the first node of the branch. ++ * (NB this is *not* a tree structure: the tail of the branch connects ++ * to the thing following the set of BRANCHes.) The opcodes are: ++ */ ++ ++/* definition number opnd? meaning */ ++#define END 0 /* no End of program. */ ++#define BOL 1 /* no Match "" at beginning of line. */ ++#define EOL 2 /* no Match "" at end of line. */ ++#define ANY 3 /* no Match any one character. */ ++#define ANYOF 4 /* str Match any character in this string. */ ++#define ANYBUT 5 /* str Match any character not in this string. */ ++#define BRANCH 6 /* node Match this alternative, or the next... */ ++#define BACK 7 /* no Match "", "next" ptr points backward. */ ++#define EXACTLY 8 /* str Match this string. */ ++#define NOTHING 9 /* no Match empty string. */ ++#define STAR 10 /* node Match this (simple) thing 0 or more times. */ ++#define PLUS 11 /* node Match this (simple) thing 1 or more times. */ ++#define OPEN 20 /* no Mark this point in input as start of #n. */ ++ /* OPEN+1 is number 1, etc. */ ++#define CLOSE 30 /* no Analogous to OPEN. */ ++ ++/* ++ * Opcode notes: ++ * ++ * BRANCH The set of branches constituting a single choice are hooked ++ * together with their "next" pointers, since precedence prevents ++ * anything being concatenated to any individual branch. The ++ * "next" pointer of the last BRANCH in a choice points to the ++ * thing following the whole choice. This is also where the ++ * final "next" pointer of each individual branch points; each ++ * branch starts with the operand node of a BRANCH node. ++ * ++ * BACK Normal "next" pointers all implicitly point forward; BACK ++ * exists to make loop structures possible. ++ * ++ * STAR,PLUS '?', and complex '*' and '+', are implemented as circular ++ * BRANCH structures using BACK. Simple cases (one character ++ * per match) are implemented with STAR and PLUS for speed ++ * and to minimize recursive plunges. ++ * ++ * OPEN,CLOSE ...are numbered at compile time. ++ */ ++ ++/* ++ * A node is one char of opcode followed by two chars of "next" pointer. ++ * "Next" pointers are stored as two 8-bit pieces, high order first. The ++ * value is a positive offset from the opcode of the node containing it. ++ * An operand, if any, simply follows the node. (Note that much of the ++ * code generation knows about this implicit relationship.) ++ * ++ * Using two bytes for the "next" pointer is vast overkill for most things, ++ * but allows patterns to get big without disasters. ++ */ ++#define OP(p) (*(p)) ++#define NEXT(p) (((*((p)+1)&0377)<<8) + (*((p)+2)&0377)) ++#define OPERAND(p) ((p) + 3) ++ ++/* ++ * See regmagic.h for one further detail of program structure. ++ */ ++ ++ ++/* ++ * Utility definitions. ++ */ ++#ifndef CHARBITS ++#define UCHARAT(p) ((int)*(unsigned char *)(p)) ++#else ++#define UCHARAT(p) ((int)*(p)&CHARBITS) ++#endif ++ ++#define FAIL(m) { regerror(m); return(NULL); } ++#define ISMULT(c) ((c) == '*' || (c) == '+' || (c) == '?') ++#define META "^$.[()|?+*\\" ++ ++/* ++ * Flags to be passed up and down. ++ */ ++#define HASWIDTH 01 /* Known never to match null string. */ ++#define SIMPLE 02 /* Simple enough to be STAR/PLUS operand. */ ++#define SPSTART 04 /* Starts with * or +. */ ++#define WORST 0 /* Worst case. */ ++ ++/* ++ * Global work variables for regcomp(). ++ */ ++struct match_globals { ++char *reginput; /* String-input pointer. */ ++char *regbol; /* Beginning of input, for ^ check. */ ++char **regstartp; /* Pointer to startp array. */ ++char **regendp; /* Ditto for endp. */ ++char *regparse; /* Input-scan pointer. */ ++int regnpar; /* () count. */ ++char regdummy; ++char *regcode; /* Code-emit pointer; ®dummy = don't. */ ++long regsize; /* Code size. */ ++}; ++ ++/* ++ * Forward declarations for regcomp()'s friends. ++ */ ++#ifndef STATIC ++#define STATIC static ++#endif ++STATIC char *reg(struct match_globals *g, int paren,int *flagp); ++STATIC char *regbranch(struct match_globals *g, int *flagp); ++STATIC char *regpiece(struct match_globals *g, int *flagp); ++STATIC char *regatom(struct match_globals *g, int *flagp); ++STATIC char *regnode(struct match_globals *g, char op); ++STATIC char *regnext(struct match_globals *g, char *p); ++STATIC void regc(struct match_globals *g, char b); ++STATIC void reginsert(struct match_globals *g, char op, char *opnd); ++STATIC void regtail(struct match_globals *g, char *p, char *val); ++STATIC void regoptail(struct match_globals *g, char *p, char *val); ++ ++ ++__kernel_size_t my_strcspn(const char *s1,const char *s2) ++{ ++ char *scan1; ++ char *scan2; ++ int count; ++ ++ count = 0; ++ for (scan1 = (char *)s1; *scan1 != '\0'; scan1++) { ++ for (scan2 = (char *)s2; *scan2 != '\0';) /* ++ moved down. */ ++ if (*scan1 == *scan2++) ++ return(count); ++ count++; ++ } ++ return(count); ++} ++ ++/* ++ - regcomp - compile a regular expression into internal code ++ * ++ * We can't allocate space until we know how big the compiled form will be, ++ * but we can't compile it (and thus know how big it is) until we've got a ++ * place to put the code. So we cheat: we compile it twice, once with code ++ * generation turned off and size counting turned on, and once "for real". ++ * This also means that we don't allocate space until we are sure that the ++ * thing really will compile successfully, and we never have to move the ++ * code and thus invalidate pointers into it. (Note that it has to be in ++ * one piece because free() must be able to free it all.) ++ * ++ * Beware that the optimization-preparation code in here knows about some ++ * of the structure of the compiled regexp. ++ */ ++regexp * ++regcomp(char *exp,int *patternsize) ++{ ++ register regexp *r; ++ register char *scan; ++ register char *longest; ++ register int len; ++ int flags; ++ struct match_globals g; ++ ++ /* commented out by ethan ++ extern char *malloc(); ++ */ ++ ++ if (exp == NULL) ++ FAIL("NULL argument"); ++ ++ /* First pass: determine size, legality. */ ++ g.regparse = exp; ++ g.regnpar = 1; ++ g.regsize = 0L; ++ g.regcode = &g.regdummy; ++ regc(&g, MAGIC); ++ if (reg(&g, 0, &flags) == NULL) ++ return(NULL); ++ ++ /* Small enough for pointer-storage convention? */ ++ if (g.regsize >= 32767L) /* Probably could be 65535L. */ ++ FAIL("regexp too big"); ++ ++ /* Allocate space. */ ++ *patternsize=sizeof(regexp) + (unsigned)g.regsize; ++ r = (regexp *)malloc(sizeof(regexp) + (unsigned)g.regsize); ++ if (r == NULL) ++ FAIL("out of space"); ++ ++ /* Second pass: emit code. */ ++ g.regparse = exp; ++ g.regnpar = 1; ++ g.regcode = r->program; ++ regc(&g, MAGIC); ++ if (reg(&g, 0, &flags) == NULL) ++ return(NULL); ++ ++ /* Dig out information for optimizations. */ ++ r->regstart = '\0'; /* Worst-case defaults. */ ++ r->reganch = 0; ++ r->regmust = NULL; ++ r->regmlen = 0; ++ scan = r->program+1; /* First BRANCH. */ ++ if (OP(regnext(&g, scan)) == END) { /* Only one top-level choice. */ ++ scan = OPERAND(scan); ++ ++ /* Starting-point info. */ ++ if (OP(scan) == EXACTLY) ++ r->regstart = *OPERAND(scan); ++ else if (OP(scan) == BOL) ++ r->reganch++; ++ ++ /* ++ * If there's something expensive in the r.e., find the ++ * longest literal string that must appear and make it the ++ * regmust. Resolve ties in favor of later strings, since ++ * the regstart check works with the beginning of the r.e. ++ * and avoiding duplication strengthens checking. Not a ++ * strong reason, but sufficient in the absence of others. ++ */ ++ if (flags&SPSTART) { ++ longest = NULL; ++ len = 0; ++ for (; scan != NULL; scan = regnext(&g, scan)) ++ if (OP(scan) == EXACTLY && strlen(OPERAND(scan)) >= len) { ++ longest = OPERAND(scan); ++ len = strlen(OPERAND(scan)); ++ } ++ r->regmust = longest; ++ r->regmlen = len; ++ } ++ } ++ ++ return(r); ++} ++ ++/* ++ - reg - regular expression, i.e. main body or parenthesized thing ++ * ++ * Caller must absorb opening parenthesis. ++ * ++ * Combining parenthesis handling with the base level of regular expression ++ * is a trifle forced, but the need to tie the tails of the branches to what ++ * follows makes it hard to avoid. ++ */ ++static char * ++reg(struct match_globals *g, int paren, int *flagp /* Parenthesized? */ ) ++{ ++ register char *ret; ++ register char *br; ++ register char *ender; ++ register int parno = 0; /* 0 makes gcc happy */ ++ int flags; ++ ++ *flagp = HASWIDTH; /* Tentatively. */ ++ ++ /* Make an OPEN node, if parenthesized. */ ++ if (paren) { ++ if (g->regnpar >= NSUBEXP) ++ FAIL("too many ()"); ++ parno = g->regnpar; ++ g->regnpar++; ++ ret = regnode(g, OPEN+parno); ++ } else ++ ret = NULL; ++ ++ /* Pick up the branches, linking them together. */ ++ br = regbranch(g, &flags); ++ if (br == NULL) ++ return(NULL); ++ if (ret != NULL) ++ regtail(g, ret, br); /* OPEN -> first. */ ++ else ++ ret = br; ++ if (!(flags&HASWIDTH)) ++ *flagp &= ~HASWIDTH; ++ *flagp |= flags&SPSTART; ++ while (*g->regparse == '|') { ++ g->regparse++; ++ br = regbranch(g, &flags); ++ if (br == NULL) ++ return(NULL); ++ regtail(g, ret, br); /* BRANCH -> BRANCH. */ ++ if (!(flags&HASWIDTH)) ++ *flagp &= ~HASWIDTH; ++ *flagp |= flags&SPSTART; ++ } ++ ++ /* Make a closing node, and hook it on the end. */ ++ ender = regnode(g, (paren) ? CLOSE+parno : END); ++ regtail(g, ret, ender); ++ ++ /* Hook the tails of the branches to the closing node. */ ++ for (br = ret; br != NULL; br = regnext(g, br)) ++ regoptail(g, br, ender); ++ ++ /* Check for proper termination. */ ++ if (paren && *g->regparse++ != ')') { ++ FAIL("unmatched ()"); ++ } else if (!paren && *g->regparse != '\0') { ++ if (*g->regparse == ')') { ++ FAIL("unmatched ()"); ++ } else ++ FAIL("junk on end"); /* "Can't happen". */ ++ /* NOTREACHED */ ++ } ++ ++ return(ret); ++} ++ ++/* ++ - regbranch - one alternative of an | operator ++ * ++ * Implements the concatenation operator. ++ */ ++static char * ++regbranch(struct match_globals *g, int *flagp) ++{ ++ register char *ret; ++ register char *chain; ++ register char *latest; ++ int flags; ++ ++ *flagp = WORST; /* Tentatively. */ ++ ++ ret = regnode(g, BRANCH); ++ chain = NULL; ++ while (*g->regparse != '\0' && *g->regparse != '|' && *g->regparse != ')') { ++ latest = regpiece(g, &flags); ++ if (latest == NULL) ++ return(NULL); ++ *flagp |= flags&HASWIDTH; ++ if (chain == NULL) /* First piece. */ ++ *flagp |= flags&SPSTART; ++ else ++ regtail(g, chain, latest); ++ chain = latest; ++ } ++ if (chain == NULL) /* Loop ran zero times. */ ++ (void) regnode(g, NOTHING); ++ ++ return(ret); ++} ++ ++/* ++ - regpiece - something followed by possible [*+?] ++ * ++ * Note that the branching code sequences used for ? and the general cases ++ * of * and + are somewhat optimized: they use the same NOTHING node as ++ * both the endmarker for their branch list and the body of the last branch. ++ * It might seem that this node could be dispensed with entirely, but the ++ * endmarker role is not redundant. ++ */ ++static char * ++regpiece(struct match_globals *g, int *flagp) ++{ ++ register char *ret; ++ register char op; ++ register char *next; ++ int flags; ++ ++ ret = regatom(g, &flags); ++ if (ret == NULL) ++ return(NULL); ++ ++ op = *g->regparse; ++ if (!ISMULT(op)) { ++ *flagp = flags; ++ return(ret); ++ } ++ ++ if (!(flags&HASWIDTH) && op != '?') ++ FAIL("*+ operand could be empty"); ++ *flagp = (op != '+') ? (WORST|SPSTART) : (WORST|HASWIDTH); ++ ++ if (op == '*' && (flags&SIMPLE)) ++ reginsert(g, STAR, ret); ++ else if (op == '*') { ++ /* Emit x* as (x&|), where & means "self". */ ++ reginsert(g, BRANCH, ret); /* Either x */ ++ regoptail(g, ret, regnode(g, BACK)); /* and loop */ ++ regoptail(g, ret, ret); /* back */ ++ regtail(g, ret, regnode(g, BRANCH)); /* or */ ++ regtail(g, ret, regnode(g, NOTHING)); /* null. */ ++ } else if (op == '+' && (flags&SIMPLE)) ++ reginsert(g, PLUS, ret); ++ else if (op == '+') { ++ /* Emit x+ as x(&|), where & means "self". */ ++ next = regnode(g, BRANCH); /* Either */ ++ regtail(g, ret, next); ++ regtail(g, regnode(g, BACK), ret); /* loop back */ ++ regtail(g, next, regnode(g, BRANCH)); /* or */ ++ regtail(g, ret, regnode(g, NOTHING)); /* null. */ ++ } else if (op == '?') { ++ /* Emit x? as (x|) */ ++ reginsert(g, BRANCH, ret); /* Either x */ ++ regtail(g, ret, regnode(g, BRANCH)); /* or */ ++ next = regnode(g, NOTHING); /* null. */ ++ regtail(g, ret, next); ++ regoptail(g, ret, next); ++ } ++ g->regparse++; ++ if (ISMULT(*g->regparse)) ++ FAIL("nested *?+"); ++ ++ return(ret); ++} ++ ++/* ++ - regatom - the lowest level ++ * ++ * Optimization: gobbles an entire sequence of ordinary characters so that ++ * it can turn them into a single node, which is smaller to store and ++ * faster to run. Backslashed characters are exceptions, each becoming a ++ * separate node; the code is simpler that way and it's not worth fixing. ++ */ ++static char * ++regatom(struct match_globals *g, int *flagp) ++{ ++ register char *ret; ++ int flags; ++ ++ *flagp = WORST; /* Tentatively. */ ++ ++ switch (*g->regparse++) { ++ case '^': ++ ret = regnode(g, BOL); ++ break; ++ case '$': ++ ret = regnode(g, EOL); ++ break; ++ case '.': ++ ret = regnode(g, ANY); ++ *flagp |= HASWIDTH|SIMPLE; ++ break; ++ case '[': { ++ register int class; ++ register int classend; ++ ++ if (*g->regparse == '^') { /* Complement of range. */ ++ ret = regnode(g, ANYBUT); ++ g->regparse++; ++ } else ++ ret = regnode(g, ANYOF); ++ if (*g->regparse == ']' || *g->regparse == '-') ++ regc(g, *g->regparse++); ++ while (*g->regparse != '\0' && *g->regparse != ']') { ++ if (*g->regparse == '-') { ++ g->regparse++; ++ if (*g->regparse == ']' || *g->regparse == '\0') ++ regc(g, '-'); ++ else { ++ class = UCHARAT(g->regparse-2)+1; ++ classend = UCHARAT(g->regparse); ++ if (class > classend+1) ++ FAIL("invalid [] range"); ++ for (; class <= classend; class++) ++ regc(g, class); ++ g->regparse++; ++ } ++ } else ++ regc(g, *g->regparse++); ++ } ++ regc(g, '\0'); ++ if (*g->regparse != ']') ++ FAIL("unmatched []"); ++ g->regparse++; ++ *flagp |= HASWIDTH|SIMPLE; ++ } ++ break; ++ case '(': ++ ret = reg(g, 1, &flags); ++ if (ret == NULL) ++ return(NULL); ++ *flagp |= flags&(HASWIDTH|SPSTART); ++ break; ++ case '\0': ++ case '|': ++ case ')': ++ FAIL("internal urp"); /* Supposed to be caught earlier. */ ++ break; ++ case '?': ++ case '+': ++ case '*': ++ FAIL("?+* follows nothing"); ++ break; ++ case '\\': ++ if (*g->regparse == '\0') ++ FAIL("trailing \\"); ++ ret = regnode(g, EXACTLY); ++ regc(g, *g->regparse++); ++ regc(g, '\0'); ++ *flagp |= HASWIDTH|SIMPLE; ++ break; ++ default: { ++ register int len; ++ register char ender; ++ ++ g->regparse--; ++ len = my_strcspn((const char *)g->regparse, (const char *)META); ++ if (len <= 0) ++ FAIL("internal disaster"); ++ ender = *(g->regparse+len); ++ if (len > 1 && ISMULT(ender)) ++ len--; /* Back off clear of ?+* operand. */ ++ *flagp |= HASWIDTH; ++ if (len == 1) ++ *flagp |= SIMPLE; ++ ret = regnode(g, EXACTLY); ++ while (len > 0) { ++ regc(g, *g->regparse++); ++ len--; ++ } ++ regc(g, '\0'); ++ } ++ break; ++ } ++ ++ return(ret); ++} ++ ++/* ++ - regnode - emit a node ++ */ ++static char * /* Location. */ ++regnode(struct match_globals *g, char op) ++{ ++ register char *ret; ++ register char *ptr; ++ ++ ret = g->regcode; ++ if (ret == &g->regdummy) { ++ g->regsize += 3; ++ return(ret); ++ } ++ ++ ptr = ret; ++ *ptr++ = op; ++ *ptr++ = '\0'; /* Null "next" pointer. */ ++ *ptr++ = '\0'; ++ g->regcode = ptr; ++ ++ return(ret); ++} ++ ++/* ++ - regc - emit (if appropriate) a byte of code ++ */ ++static void ++regc(struct match_globals *g, char b) ++{ ++ if (g->regcode != &g->regdummy) ++ *g->regcode++ = b; ++ else ++ g->regsize++; ++} ++ ++/* ++ - reginsert - insert an operator in front of already-emitted operand ++ * ++ * Means relocating the operand. ++ */ ++static void ++reginsert(struct match_globals *g, char op, char* opnd) ++{ ++ register char *src; ++ register char *dst; ++ register char *place; ++ ++ if (g->regcode == &g->regdummy) { ++ g->regsize += 3; ++ return; ++ } ++ ++ src = g->regcode; ++ g->regcode += 3; ++ dst = g->regcode; ++ while (src > opnd) ++ *--dst = *--src; ++ ++ place = opnd; /* Op node, where operand used to be. */ ++ *place++ = op; ++ *place++ = '\0'; ++ *place++ = '\0'; ++} ++ ++/* ++ - regtail - set the next-pointer at the end of a node chain ++ */ ++static void ++regtail(struct match_globals *g, char *p, char *val) ++{ ++ register char *scan; ++ register char *temp; ++ register int offset; ++ ++ if (p == &g->regdummy) ++ return; ++ ++ /* Find last node. */ ++ scan = p; ++ for (;;) { ++ temp = regnext(g, scan); ++ if (temp == NULL) ++ break; ++ scan = temp; ++ } ++ ++ if (OP(scan) == BACK) ++ offset = scan - val; ++ else ++ offset = val - scan; ++ *(scan+1) = (offset>>8)&0377; ++ *(scan+2) = offset&0377; ++} ++ ++/* ++ - regoptail - regtail on operand of first argument; nop if operandless ++ */ ++static void ++regoptail(struct match_globals *g, char *p, char *val) ++{ ++ /* "Operandless" and "op != BRANCH" are synonymous in practice. */ ++ if (p == NULL || p == &g->regdummy || OP(p) != BRANCH) ++ return; ++ regtail(g, OPERAND(p), val); ++} ++ ++/* ++ * regexec and friends ++ */ ++ ++ ++/* ++ * Forwards. ++ */ ++STATIC int regtry(struct match_globals *g, regexp *prog, char *string); ++STATIC int regmatch(struct match_globals *g, char *prog); ++STATIC int regrepeat(struct match_globals *g, char *p); ++ ++#ifdef DEBUG ++int regnarrate = 0; ++void regdump(); ++STATIC char *regprop(char *op); ++#endif ++ ++/* ++ - regexec - match a regexp against a string ++ */ ++int ++regexec(regexp *prog, char *string) ++{ ++ register char *s; ++ struct match_globals g; ++ ++ /* Be paranoid... */ ++ if (prog == NULL || string == NULL) { ++ printk("<3>Regexp: NULL parameter\n"); ++ return(0); ++ } ++ ++ /* Check validity of program. */ ++ if (UCHARAT(prog->program) != MAGIC) { ++ printk("<3>Regexp: corrupted program\n"); ++ return(0); ++ } ++ ++ /* If there is a "must appear" string, look for it. */ ++ if (prog->regmust != NULL) { ++ s = string; ++ while ((s = strchr(s, prog->regmust[0])) != NULL) { ++ if (strncmp(s, prog->regmust, prog->regmlen) == 0) ++ break; /* Found it. */ ++ s++; ++ } ++ if (s == NULL) /* Not present. */ ++ return(0); ++ } ++ ++ /* Mark beginning of line for ^ . */ ++ g.regbol = string; ++ ++ /* Simplest case: anchored match need be tried only once. */ ++ if (prog->reganch) ++ return(regtry(&g, prog, string)); ++ ++ /* Messy cases: unanchored match. */ ++ s = string; ++ if (prog->regstart != '\0') ++ /* We know what char it must start with. */ ++ while ((s = strchr(s, prog->regstart)) != NULL) { ++ if (regtry(&g, prog, s)) ++ return(1); ++ s++; ++ } ++ else ++ /* We don't -- general case. */ ++ do { ++ if (regtry(&g, prog, s)) ++ return(1); ++ } while (*s++ != '\0'); ++ ++ /* Failure. */ ++ return(0); ++} ++ ++/* ++ - regtry - try match at specific point ++ */ ++static int /* 0 failure, 1 success */ ++regtry(struct match_globals *g, regexp *prog, char *string) ++{ ++ register int i; ++ register char **sp; ++ register char **ep; ++ ++ g->reginput = string; ++ g->regstartp = prog->startp; ++ g->regendp = prog->endp; ++ ++ sp = prog->startp; ++ ep = prog->endp; ++ for (i = NSUBEXP; i > 0; i--) { ++ *sp++ = NULL; ++ *ep++ = NULL; ++ } ++ if (regmatch(g, prog->program + 1)) { ++ prog->startp[0] = string; ++ prog->endp[0] = g->reginput; ++ return(1); ++ } else ++ return(0); ++} ++ ++/* ++ - regmatch - main matching routine ++ * ++ * Conceptually the strategy is simple: check to see whether the current ++ * node matches, call self recursively to see whether the rest matches, ++ * and then act accordingly. In practice we make some effort to avoid ++ * recursion, in particular by going through "ordinary" nodes (that don't ++ * need to know whether the rest of the match failed) by a loop instead of ++ * by recursion. ++ */ ++static int /* 0 failure, 1 success */ ++regmatch(struct match_globals *g, char *prog) ++{ ++ register char *scan = prog; /* Current node. */ ++ char *next; /* Next node. */ ++ ++#ifdef DEBUG ++ if (scan != NULL && regnarrate) ++ fprintf(stderr, "%s(\n", regprop(scan)); ++#endif ++ while (scan != NULL) { ++#ifdef DEBUG ++ if (regnarrate) ++ fprintf(stderr, "%s...\n", regprop(scan)); ++#endif ++ next = regnext(g, scan); ++ ++ switch (OP(scan)) { ++ case BOL: ++ if (g->reginput != g->regbol) ++ return(0); ++ break; ++ case EOL: ++ if (*g->reginput != '\0') ++ return(0); ++ break; ++ case ANY: ++ if (*g->reginput == '\0') ++ return(0); ++ g->reginput++; ++ break; ++ case EXACTLY: { ++ register int len; ++ register char *opnd; ++ ++ opnd = OPERAND(scan); ++ /* Inline the first character, for speed. */ ++ if (*opnd != *g->reginput) ++ return(0); ++ len = strlen(opnd); ++ if (len > 1 && strncmp(opnd, g->reginput, len) != 0) ++ return(0); ++ g->reginput += len; ++ } ++ break; ++ case ANYOF: ++ if (*g->reginput == '\0' || strchr(OPERAND(scan), *g->reginput) == NULL) ++ return(0); ++ g->reginput++; ++ break; ++ case ANYBUT: ++ if (*g->reginput == '\0' || strchr(OPERAND(scan), *g->reginput) != NULL) ++ return(0); ++ g->reginput++; ++ break; ++ case NOTHING: ++ case BACK: ++ break; ++ case OPEN+1: ++ case OPEN+2: ++ case OPEN+3: ++ case OPEN+4: ++ case OPEN+5: ++ case OPEN+6: ++ case OPEN+7: ++ case OPEN+8: ++ case OPEN+9: { ++ register int no; ++ register char *save; ++ ++ no = OP(scan) - OPEN; ++ save = g->reginput; ++ ++ if (regmatch(g, next)) { ++ /* ++ * Don't set startp if some later ++ * invocation of the same parentheses ++ * already has. ++ */ ++ if (g->regstartp[no] == NULL) ++ g->regstartp[no] = save; ++ return(1); ++ } else ++ return(0); ++ } ++ break; ++ case CLOSE+1: ++ case CLOSE+2: ++ case CLOSE+3: ++ case CLOSE+4: ++ case CLOSE+5: ++ case CLOSE+6: ++ case CLOSE+7: ++ case CLOSE+8: ++ case CLOSE+9: ++ { ++ register int no; ++ register char *save; ++ ++ no = OP(scan) - CLOSE; ++ save = g->reginput; ++ ++ if (regmatch(g, next)) { ++ /* ++ * Don't set endp if some later ++ * invocation of the same parentheses ++ * already has. ++ */ ++ if (g->regendp[no] == NULL) ++ g->regendp[no] = save; ++ return(1); ++ } else ++ return(0); ++ } ++ break; ++ case BRANCH: { ++ register char *save; ++ ++ if (OP(next) != BRANCH) /* No choice. */ ++ next = OPERAND(scan); /* Avoid recursion. */ ++ else { ++ do { ++ save = g->reginput; ++ if (regmatch(g, OPERAND(scan))) ++ return(1); ++ g->reginput = save; ++ scan = regnext(g, scan); ++ } while (scan != NULL && OP(scan) == BRANCH); ++ return(0); ++ /* NOTREACHED */ ++ } ++ } ++ break; ++ case STAR: ++ case PLUS: { ++ register char nextch; ++ register int no; ++ register char *save; ++ register int min; ++ ++ /* ++ * Lookahead to avoid useless match attempts ++ * when we know what character comes next. ++ */ ++ nextch = '\0'; ++ if (OP(next) == EXACTLY) ++ nextch = *OPERAND(next); ++ min = (OP(scan) == STAR) ? 0 : 1; ++ save = g->reginput; ++ no = regrepeat(g, OPERAND(scan)); ++ while (no >= min) { ++ /* If it could work, try it. */ ++ if (nextch == '\0' || *g->reginput == nextch) ++ if (regmatch(g, next)) ++ return(1); ++ /* Couldn't or didn't -- back up. */ ++ no--; ++ g->reginput = save + no; ++ } ++ return(0); ++ } ++ break; ++ case END: ++ return(1); /* Success! */ ++ break; ++ default: ++ printk("<3>Regexp: memory corruption\n"); ++ return(0); ++ break; ++ } ++ ++ scan = next; ++ } ++ ++ /* ++ * We get here only if there's trouble -- normally "case END" is ++ * the terminating point. ++ */ ++ printk("<3>Regexp: corrupted pointers\n"); ++ return(0); ++} ++ ++/* ++ - regrepeat - repeatedly match something simple, report how many ++ */ ++static int ++regrepeat(struct match_globals *g, char *p) ++{ ++ register int count = 0; ++ register char *scan; ++ register char *opnd; ++ ++ scan = g->reginput; ++ opnd = OPERAND(p); ++ switch (OP(p)) { ++ case ANY: ++ count = strlen(scan); ++ scan += count; ++ break; ++ case EXACTLY: ++ while (*opnd == *scan) { ++ count++; ++ scan++; ++ } ++ break; ++ case ANYOF: ++ while (*scan != '\0' && strchr(opnd, *scan) != NULL) { ++ count++; ++ scan++; ++ } ++ break; ++ case ANYBUT: ++ while (*scan != '\0' && strchr(opnd, *scan) == NULL) { ++ count++; ++ scan++; ++ } ++ break; ++ default: /* Oh dear. Called inappropriately. */ ++ printk("<3>Regexp: internal foulup\n"); ++ count = 0; /* Best compromise. */ ++ break; ++ } ++ g->reginput = scan; ++ ++ return(count); ++} ++ ++/* ++ - regnext - dig the "next" pointer out of a node ++ */ ++static char* ++regnext(struct match_globals *g, char *p) ++{ ++ register int offset; ++ ++ if (p == &g->regdummy) ++ return(NULL); ++ ++ offset = NEXT(p); ++ if (offset == 0) ++ return(NULL); ++ ++ if (OP(p) == BACK) ++ return(p-offset); ++ else ++ return(p+offset); ++} ++ ++#ifdef DEBUG ++ ++STATIC char *regprop(); ++ ++/* ++ - regdump - dump a regexp onto stdout in vaguely comprehensible form ++ */ ++void ++regdump(regexp *r) ++{ ++ register char *s; ++ register char op = EXACTLY; /* Arbitrary non-END op. */ ++ register char *next; ++ /* extern char *strchr(); */ ++ ++ ++ s = r->program + 1; ++ while (op != END) { /* While that wasn't END last time... */ ++ op = OP(s); ++ printf("%2d%s", s-r->program, regprop(s)); /* Where, what. */ ++ next = regnext(s); ++ if (next == NULL) /* Next ptr. */ ++ printf("(0)"); ++ else ++ printf("(%d)", (s-r->program)+(next-s)); ++ s += 3; ++ if (op == ANYOF || op == ANYBUT || op == EXACTLY) { ++ /* Literal string, where present. */ ++ while (*s != '\0') { ++ putchar(*s); ++ s++; ++ } ++ s++; ++ } ++ putchar('\n'); ++ } ++ ++ /* Header fields of interest. */ ++ if (r->regstart != '\0') ++ printf("start `%c' ", r->regstart); ++ if (r->reganch) ++ printf("anchored "); ++ if (r->regmust != NULL) ++ printf("must have \"%s\"", r->regmust); ++ printf("\n"); ++} ++ ++/* ++ - regprop - printable representation of opcode ++ */ ++static char * ++regprop(char *op) ++{ ++#define BUFLEN 50 ++ register char *p; ++ static char buf[BUFLEN]; ++ ++ strcpy(buf, ":"); ++ ++ switch (OP(op)) { ++ case BOL: ++ p = "BOL"; ++ break; ++ case EOL: ++ p = "EOL"; ++ break; ++ case ANY: ++ p = "ANY"; ++ break; ++ case ANYOF: ++ p = "ANYOF"; ++ break; ++ case ANYBUT: ++ p = "ANYBUT"; ++ break; ++ case BRANCH: ++ p = "BRANCH"; ++ break; ++ case EXACTLY: ++ p = "EXACTLY"; ++ break; ++ case NOTHING: ++ p = "NOTHING"; ++ break; ++ case BACK: ++ p = "BACK"; ++ break; ++ case END: ++ p = "END"; ++ break; ++ case OPEN+1: ++ case OPEN+2: ++ case OPEN+3: ++ case OPEN+4: ++ case OPEN+5: ++ case OPEN+6: ++ case OPEN+7: ++ case OPEN+8: ++ case OPEN+9: ++ snprintf(buf+strlen(buf),BUFLEN-strlen(buf), "OPEN%d", OP(op)-OPEN); ++ p = NULL; ++ break; ++ case CLOSE+1: ++ case CLOSE+2: ++ case CLOSE+3: ++ case CLOSE+4: ++ case CLOSE+5: ++ case CLOSE+6: ++ case CLOSE+7: ++ case CLOSE+8: ++ case CLOSE+9: ++ snprintf(buf+strlen(buf),BUFLEN-strlen(buf), "CLOSE%d", OP(op)-CLOSE); ++ p = NULL; ++ break; ++ case STAR: ++ p = "STAR"; ++ break; ++ case PLUS: ++ p = "PLUS"; ++ break; ++ default: ++ printk("<3>Regexp: corrupted opcode\n"); ++ break; ++ } ++ if (p != NULL) ++ strncat(buf, p, BUFLEN-strlen(buf)); ++ return(buf); ++} ++#endif ++ ++ +--- /dev/null ++++ b/net/netfilter/regexp/regexp.h +@@ -0,0 +1,41 @@ ++/* ++ * Definitions etc. for regexp(3) routines. ++ * ++ * Caveat: this is V8 regexp(3) [actually, a reimplementation thereof], ++ * not the System V one. ++ */ ++ ++#ifndef REGEXP_H ++#define REGEXP_H ++ ++ ++/* ++http://www.opensource.apple.com/darwinsource/10.3/expect-1/expect/expect.h , ++which contains a version of this library, says: ++ ++ * ++ * NSUBEXP must be at least 10, and no greater than 117 or the parser ++ * will not work properly. ++ * ++ ++However, it looks rather like this library is limited to 10. If you think ++otherwise, let us know. ++*/ ++ ++#define NSUBEXP 10 ++typedef struct regexp { ++ char *startp[NSUBEXP]; ++ char *endp[NSUBEXP]; ++ char regstart; /* Internal use only. */ ++ char reganch; /* Internal use only. */ ++ char *regmust; /* Internal use only. */ ++ int regmlen; /* Internal use only. */ ++ char program[1]; /* Unwarranted chumminess with compiler. */ ++} regexp; ++ ++regexp * regcomp(char *exp, int *patternsize); ++int regexec(regexp *prog, char *string); ++void regsub(regexp *prog, char *source, char *dest); ++void regerror(char *s); ++ ++#endif +--- /dev/null ++++ b/net/netfilter/regexp/regmagic.h +@@ -0,0 +1,5 @@ ++/* ++ * The first byte of the regexp internal "program" is actually this magic ++ * number; the start node begins in the second byte. ++ */ ++#define MAGIC 0234 +--- /dev/null ++++ b/net/netfilter/regexp/regsub.c +@@ -0,0 +1,95 @@ ++/* ++ * regsub ++ * @(#)regsub.c 1.3 of 2 April 86 ++ * ++ * Copyright (c) 1986 by University of Toronto. ++ * Written by Henry Spencer. Not derived from licensed software. ++ * ++ * Permission is granted to anyone to use this software for any ++ * purpose on any computer system, and to redistribute it freely, ++ * subject to the following restrictions: ++ * ++ * 1. The author is not responsible for the consequences of use of ++ * this software, no matter how awful, even if they arise ++ * from defects in it. ++ * ++ * 2. The origin of this software must not be misrepresented, either ++ * by explicit claim or by omission. ++ * ++ * 3. Altered versions must be plainly marked as such, and must not ++ * be misrepresented as being the original software. ++ * ++ * ++ * This code was modified by Ethan Sommer to work within the kernel ++ * (it now uses kmalloc etc..) ++ * ++ */ ++#include "regexp.h" ++#include "regmagic.h" ++#include <linux/string.h> ++ ++ ++#ifndef CHARBITS ++#define UCHARAT(p) ((int)*(unsigned char *)(p)) ++#else ++#define UCHARAT(p) ((int)*(p)&CHARBITS) ++#endif ++ ++#if 0 ++//void regerror(char * s) ++//{ ++// printk("regexp(3): %s", s); ++// /* NOTREACHED */ ++//} ++#endif ++ ++/* ++ - regsub - perform substitutions after a regexp match ++ */ ++void ++regsub(regexp * prog, char * source, char * dest) ++{ ++ register char *src; ++ register char *dst; ++ register char c; ++ register int no; ++ register int len; ++ ++ /* Not necessary and gcc doesn't like it -MLS */ ++ /*extern char *strncpy();*/ ++ ++ if (prog == NULL || source == NULL || dest == NULL) { ++ regerror("NULL parm to regsub"); ++ return; ++ } ++ if (UCHARAT(prog->program) != MAGIC) { ++ regerror("damaged regexp fed to regsub"); ++ return; ++ } ++ ++ src = source; ++ dst = dest; ++ while ((c = *src++) != '\0') { ++ if (c == '&') ++ no = 0; ++ else if (c == '\\' && '0' <= *src && *src <= '9') ++ no = *src++ - '0'; ++ else ++ no = -1; ++ ++ if (no < 0) { /* Ordinary character. */ ++ if (c == '\\' && (*src == '\\' || *src == '&')) ++ c = *src++; ++ *dst++ = c; ++ } else if (prog->startp[no] != NULL && prog->endp[no] != NULL) { ++ len = prog->endp[no] - prog->startp[no]; ++ (void) strncpy(dst, prog->startp[no], len); ++ dst += len; ++ if (len != 0 && *(dst-1) == '\0') { /* strncpy hit NUL. */ ++ regerror("damaged match string"); ++ return; ++ } ++ } ++ } ++ *dst++ = '\0'; ++} +--- a/net/netfilter/nf_conntrack_core.c ++++ b/net/netfilter/nf_conntrack_core.c +@@ -214,6 +214,14 @@ destroy_conntrack(struct nf_conntrack *n + * too. */ + nf_ct_remove_expectations(ct); + ++ #if defined(CONFIG_NETFILTER_XT_MATCH_LAYER7) || defined(CONFIG_NETFILTER_XT_MATCH_LAYER7_MODULE) ++ if(ct->layer7.app_proto) ++ kfree(ct->layer7.app_proto); ++ if(ct->layer7.app_data) ++ kfree(ct->layer7.app_data); ++ #endif ++ ++ + /* We overload first tuple to link into unconfirmed list. */ + if (!nf_ct_is_confirmed(ct)) { + BUG_ON(hlist_nulls_unhashed(&ct->tuplehash[IP_CT_DIR_ORIGINAL].hnnode)); +--- a/net/netfilter/nf_conntrack_standalone.c ++++ b/net/netfilter/nf_conntrack_standalone.c +@@ -239,6 +239,12 @@ static int ct_seq_show(struct seq_file * + if (ct_show_delta_time(s, ct)) + goto release; + ++#if defined(CONFIG_NETFILTER_XT_MATCH_LAYER7) || defined(CONFIG_NETFILTER_XT_MATCH_LAYER7_MODULE) ++ if(ct->layer7.app_proto && ++ seq_printf(s, "l7proto=%s ", ct->layer7.app_proto)) ++ return -ENOSPC; ++#endif ++ + if (seq_printf(s, "use=%u\n", atomic_read(&ct->ct_general.use))) + goto release; + +--- a/include/net/netfilter/nf_conntrack.h ++++ b/include/net/netfilter/nf_conntrack.h +@@ -134,6 +134,22 @@ struct nf_conn { + struct net *ct_net; + #endif + ++#if defined(CONFIG_NETFILTER_XT_MATCH_LAYER7) || \ ++ defined(CONFIG_NETFILTER_XT_MATCH_LAYER7_MODULE) ++ struct { ++ /* ++ * e.g. "http". NULL before decision. "unknown" after decision ++ * if no match. ++ */ ++ char *app_proto; ++ /* ++ * application layer data so far. NULL after match decision. ++ */ ++ char *app_data; ++ unsigned int app_data_len; ++ } layer7; ++#endif ++ + /* Storage reserved for other modules, must be the last member */ + union nf_conntrack_proto proto; + }; +--- /dev/null ++++ b/include/linux/netfilter/xt_layer7.h +@@ -0,0 +1,13 @@ ++#ifndef _XT_LAYER7_H ++#define _XT_LAYER7_H ++ ++#define MAX_PATTERN_LEN 8192 ++#define MAX_PROTOCOL_LEN 256 ++ ++struct xt_layer7_info { ++ char protocol[MAX_PROTOCOL_LEN]; ++ char pattern[MAX_PATTERN_LEN]; ++ u_int8_t invert; ++}; ++ ++#endif /* _XT_LAYER7_H */ +--- a/include/linux/netfilter/Kbuild ++++ b/include/linux/netfilter/Kbuild +@@ -49,6 +49,7 @@ header-y += xt_hashlimit.h + header-y += xt_helper.h + header-y += xt_iprange.h + header-y += xt_ipvs.h ++header-y += xt_layer7.h + header-y += xt_length.h + header-y += xt_limit.h + header-y += xt_mac.h diff --git a/target/linux/generic/patches-3.6/601-netfilter_layer7_pktmatch.patch b/target/linux/generic/patches-3.6/601-netfilter_layer7_pktmatch.patch new file mode 100644 index 0000000000..f65e301fd1 --- /dev/null +++ b/target/linux/generic/patches-3.6/601-netfilter_layer7_pktmatch.patch @@ -0,0 +1,108 @@ +--- a/include/linux/netfilter/xt_layer7.h ++++ b/include/linux/netfilter/xt_layer7.h +@@ -8,6 +8,7 @@ struct xt_layer7_info { + char protocol[MAX_PROTOCOL_LEN]; + char pattern[MAX_PATTERN_LEN]; + u_int8_t invert; ++ u_int8_t pkt; + }; + + #endif /* _XT_LAYER7_H */ +--- a/net/netfilter/xt_layer7.c ++++ b/net/netfilter/xt_layer7.c +@@ -314,33 +314,35 @@ static int match_no_append(struct nf_con + } + + /* add the new app data to the conntrack. Return number of bytes added. */ +-static int add_data(struct nf_conn * master_conntrack, +- char * app_data, int appdatalen) ++static int add_datastr(char *target, int offset, char *app_data, int len) + { + int length = 0, i; +- int oldlength = master_conntrack->layer7.app_data_len; +- +- /* This is a fix for a race condition by Deti Fliegl. However, I'm not +- clear on whether the race condition exists or whether this really +- fixes it. I might just be being dense... Anyway, if it's not really +- a fix, all it does is waste a very small amount of time. */ +- if(!master_conntrack->layer7.app_data) return 0; ++ if (!target) return 0; + + /* Strip nulls. Make everything lower case (our regex lib doesn't + do case insensitivity). Add it to the end of the current data. */ +- for(i = 0; i < maxdatalen-oldlength-1 && +- i < appdatalen; i++) { ++ for(i = 0; i < maxdatalen-offset-1 && i < len; i++) { + if(app_data[i] != '\0') { + /* the kernel version of tolower mungs 'upper ascii' */ +- master_conntrack->layer7.app_data[length+oldlength] = ++ target[length+offset] = + isascii(app_data[i])? + tolower(app_data[i]) : app_data[i]; + length++; + } + } ++ target[length+offset] = '\0'; ++ ++ return length; ++} ++ ++/* add the new app data to the conntrack. Return number of bytes added. */ ++static int add_data(struct nf_conn * master_conntrack, ++ char * app_data, int appdatalen) ++{ ++ int length; + +- master_conntrack->layer7.app_data[length+oldlength] = '\0'; +- master_conntrack->layer7.app_data_len = length + oldlength; ++ length = add_datastr(master_conntrack->layer7.app_data, master_conntrack->layer7.app_data_len, app_data, appdatalen); ++ master_conntrack->layer7.app_data_len += length; + + return length; + } +@@ -438,7 +440,7 @@ match(const struct sk_buff *skbin, + + enum ip_conntrack_info master_ctinfo, ctinfo; + struct nf_conn *master_conntrack, *conntrack; +- unsigned char * app_data; ++ unsigned char *app_data, *tmp_data; + unsigned int pattern_result, appdatalen; + regexp * comppattern; + +@@ -466,8 +468,8 @@ match(const struct sk_buff *skbin, + master_conntrack = master_ct(master_conntrack); + + /* if we've classified it or seen too many packets */ +- if(total_acct_packets(master_conntrack) > num_packets || +- master_conntrack->layer7.app_proto) { ++ if(!info->pkt && (total_acct_packets(master_conntrack) > num_packets || ++ master_conntrack->layer7.app_proto)) { + + pattern_result = match_no_append(conntrack, master_conntrack, + ctinfo, master_ctinfo, info); +@@ -500,6 +502,25 @@ match(const struct sk_buff *skbin, + /* the return value gets checked later, when we're ready to use it */ + comppattern = compile_and_cache(info->pattern, info->protocol); + ++ if (info->pkt) { ++ tmp_data = kmalloc(maxdatalen, GFP_ATOMIC); ++ if(!tmp_data){ ++ if (net_ratelimit()) ++ printk(KERN_ERR "layer7: out of memory in match, bailing.\n"); ++ return info->invert; ++ } ++ ++ tmp_data[0] = '\0'; ++ add_datastr(tmp_data, 0, app_data, appdatalen); ++ pattern_result = ((comppattern && regexec(comppattern, tmp_data)) ? 1 : 0); ++ ++ kfree(tmp_data); ++ tmp_data = NULL; ++ spin_unlock_bh(&l7_lock); ++ ++ return (pattern_result ^ info->invert); ++ } ++ + /* On the first packet of a connection, allocate space for app data */ + if(total_acct_packets(master_conntrack) == 1 && !skb->cb[0] && + !master_conntrack->layer7.app_data){ diff --git a/target/linux/generic/patches-3.6/602-netfilter_layer7_match.patch b/target/linux/generic/patches-3.6/602-netfilter_layer7_match.patch new file mode 100644 index 0000000000..b2e48c824f --- /dev/null +++ b/target/linux/generic/patches-3.6/602-netfilter_layer7_match.patch @@ -0,0 +1,51 @@ +--- a/net/netfilter/xt_layer7.c ++++ b/net/netfilter/xt_layer7.c +@@ -415,7 +415,9 @@ static int layer7_write_proc(struct file + } + + static bool +-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28) ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35) ++match(const struct sk_buff *skbin, struct xt_action_param *par) ++#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28) + match(const struct sk_buff *skbin, const struct xt_match_param *par) + #else + match(const struct sk_buff *skbin, +@@ -597,14 +599,19 @@ match(const struct sk_buff *skbin, + } + + // load nf_conntrack_ipv4 ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35) ++static int ++#else ++static bool ++#endif + #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28) +-static bool check(const struct xt_mtchk_param *par) ++check(const struct xt_mtchk_param *par) + { + if (nf_ct_l3proto_try_module_get(par->match->family) < 0) { + printk(KERN_WARNING "can't load conntrack support for " + "proto=%d\n", par->match->family); + #else +-static bool check(const char *tablename, const void *inf, ++check(const char *tablename, const void *inf, + const struct xt_match *match, void *matchinfo, + unsigned int hook_mask) + { +@@ -612,9 +619,15 @@ static bool check(const char *tablename, + printk(KERN_WARNING "can't load conntrack support for " + "proto=%d\n", match->family); + #endif ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35) ++ return -EINVAL; ++ } ++ return 0; ++#else + return 0; + } + return 1; ++#endif + } + + diff --git a/target/linux/generic/patches-3.6/603-netfilter_layer7_2.6.36_fix.patch b/target/linux/generic/patches-3.6/603-netfilter_layer7_2.6.36_fix.patch new file mode 100644 index 0000000000..92a7200602 --- /dev/null +++ b/target/linux/generic/patches-3.6/603-netfilter_layer7_2.6.36_fix.patch @@ -0,0 +1,61 @@ +--- a/net/netfilter/Kconfig ++++ b/net/netfilter/Kconfig +@@ -857,6 +857,27 @@ config NETFILTER_XT_MATCH_IPVS + + If unsure, say N. + ++config NETFILTER_XT_MATCH_LAYER7 ++ tristate '"layer7" match support' ++ depends on EXPERIMENTAL ++ depends on NETFILTER_XTABLES ++ depends on NETFILTER_ADVANCED ++ depends on NF_CONNTRACK ++ help ++ Say Y if you want to be able to classify connections (and their ++ packets) based on regular expression matching of their application ++ layer data. This is one way to classify applications such as ++ peer-to-peer filesharing systems that do not always use the same ++ port. ++ ++ To compile it as a module, choose M here. If unsure, say N. ++ ++config NETFILTER_XT_MATCH_LAYER7_DEBUG ++ bool 'Layer 7 debugging output' ++ depends on NETFILTER_XT_MATCH_LAYER7 ++ help ++ Say Y to get lots of debugging output. ++ + config NETFILTER_XT_MATCH_LENGTH + tristate '"length" match support' + depends on NETFILTER_ADVANCED +@@ -1053,26 +1074,11 @@ config NETFILTER_XT_MATCH_STATE + + To compile it as a module, choose M here. If unsure, say N. + +-config NETFILTER_XT_MATCH_LAYER7 +- tristate '"layer7" match support' +- depends on NETFILTER_XTABLES +- depends on EXPERIMENTAL && (IP_NF_CONNTRACK || NF_CONNTRACK) +- depends on NETFILTER_ADVANCED +- help +- Say Y if you want to be able to classify connections (and their +- packets) based on regular expression matching of their application +- layer data. This is one way to classify applications such as +- peer-to-peer filesharing systems that do not always use the same +- port. +- +- To compile it as a module, choose M here. If unsure, say N. +- + config NETFILTER_XT_MATCH_LAYER7_DEBUG +- bool 'Layer 7 debugging output' +- depends on NETFILTER_XT_MATCH_LAYER7 +- help +- Say Y to get lots of debugging output. +- ++ bool 'Layer 7 debugging output' ++ depends on NETFILTER_XT_MATCH_LAYER7 ++ help ++ Say Y to get lots of debugging output. + + config NETFILTER_XT_MATCH_STATISTIC + tristate '"statistic" match support' diff --git a/target/linux/generic/patches-3.6/604-netfilter_cisco_794x_iphone.patch b/target/linux/generic/patches-3.6/604-netfilter_cisco_794x_iphone.patch new file mode 100644 index 0000000000..662a499d17 --- /dev/null +++ b/target/linux/generic/patches-3.6/604-netfilter_cisco_794x_iphone.patch @@ -0,0 +1,118 @@ +--- a/include/linux/netfilter/nf_conntrack_sip.h ++++ b/include/linux/netfilter/nf_conntrack_sip.h +@@ -2,12 +2,15 @@ + #define __NF_CONNTRACK_SIP_H__ + #ifdef __KERNEL__ + ++#include <linux/types.h> ++ + #define SIP_PORT 5060 + #define SIP_TIMEOUT 3600 + + struct nf_ct_sip_master { + unsigned int register_cseq; + unsigned int invite_cseq; ++ __be16 forced_dport; + }; + + enum sip_expectation_classes { +--- a/net/ipv4/netfilter/nf_nat_sip.c ++++ b/net/ipv4/netfilter/nf_nat_sip.c +@@ -73,6 +73,7 @@ static int map_addr(struct sk_buff *skb, + enum ip_conntrack_info ctinfo; + struct nf_conn *ct = nf_ct_get(skb, &ctinfo); + enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo); ++ struct nf_conn_help *help = nfct_help(ct); + char buffer[sizeof("nnn.nnn.nnn.nnn:nnnnn")]; + unsigned int buflen; + __be32 newaddr; +@@ -85,7 +86,8 @@ static int map_addr(struct sk_buff *skb, + } else if (ct->tuplehash[dir].tuple.dst.u3.ip == addr->ip && + ct->tuplehash[dir].tuple.dst.u.udp.port == port) { + newaddr = ct->tuplehash[!dir].tuple.src.u3.ip; +- newport = ct->tuplehash[!dir].tuple.src.u.udp.port; ++ newport = help->help.ct_sip_info.forced_dport ? : ++ ct->tuplehash[!dir].tuple.src.u.udp.port; + } else + return 1; + +@@ -121,6 +123,7 @@ static unsigned int ip_nat_sip(struct sk + enum ip_conntrack_info ctinfo; + struct nf_conn *ct = nf_ct_get(skb, &ctinfo); + enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo); ++ struct nf_conn_help *help = nfct_help(ct); + unsigned int coff, matchoff, matchlen; + enum sip_header_types hdr; + union nf_inet_addr addr; +@@ -229,6 +232,20 @@ next: + !map_sip_addr(skb, dataoff, dptr, datalen, SIP_HDR_TO)) + return NF_DROP; + ++ /* Mangle destination port for Cisco phones, then fix up checksums */ ++ if (dir == IP_CT_DIR_REPLY && help->help.ct_sip_info.forced_dport) { ++ struct udphdr *uh; ++ ++ if (!skb_make_writable(skb, skb->len)) ++ return NF_DROP; ++ ++ uh = (struct udphdr *)(skb->data + ip_hdrlen(skb)); ++ uh->dest = help->help.ct_sip_info.forced_dport; ++ ++ if (!nf_nat_mangle_udp_packet(skb, ct, ctinfo, 0, 0, NULL, 0)) ++ return NF_DROP; ++ } ++ + return NF_ACCEPT; + } + +@@ -280,8 +297,10 @@ static unsigned int ip_nat_sip_expect(st + enum ip_conntrack_info ctinfo; + struct nf_conn *ct = nf_ct_get(skb, &ctinfo); + enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo); ++ struct nf_conn_help *help = nfct_help(ct); + __be32 newip; + u_int16_t port; ++ __be16 srcport; + char buffer[sizeof("nnn.nnn.nnn.nnn:nnnnn")]; + unsigned buflen; + +@@ -294,8 +313,9 @@ static unsigned int ip_nat_sip_expect(st + /* If the signalling port matches the connection's source port in the + * original direction, try to use the destination port in the opposite + * direction. */ +- if (exp->tuple.dst.u.udp.port == +- ct->tuplehash[dir].tuple.src.u.udp.port) ++ srcport = help->help.ct_sip_info.forced_dport ? : ++ ct->tuplehash[dir].tuple.src.u.udp.port; ++ if (exp->tuple.dst.u.udp.port == srcport) + port = ntohs(ct->tuplehash[!dir].tuple.dst.u.udp.port); + else + port = ntohs(exp->tuple.dst.u.udp.port); +--- a/net/netfilter/nf_conntrack_sip.c ++++ b/net/netfilter/nf_conntrack_sip.c +@@ -1363,8 +1363,25 @@ static int process_sip_request(struct sk + { + enum ip_conntrack_info ctinfo; + struct nf_conn *ct = nf_ct_get(skb, &ctinfo); ++ struct nf_conn_help *help = nfct_help(ct); ++ enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo); + unsigned int matchoff, matchlen; + unsigned int cseq, i; ++ union nf_inet_addr addr; ++ __be16 port; ++ ++ /* Many Cisco IP phones use a high source port for SIP requests, but ++ * listen for the response on port 5060. If we are the local ++ * router for one of these phones, save the port number from the ++ * Via: header so that nf_nat_sip can redirect the responses to ++ * the correct port. ++ */ ++ if (ct_sip_parse_header_uri(ct, *dptr, NULL, *datalen, ++ SIP_HDR_VIA_UDP, NULL, &matchoff, ++ &matchlen, &addr, &port) > 0 && ++ port != ct->tuplehash[dir].tuple.src.u.udp.port && ++ nf_inet_addr_cmp(&addr, &ct->tuplehash[dir].tuple.src.u3)) ++ help->help.ct_sip_info.forced_dport = port; + + for (i = 0; i < ARRAY_SIZE(sip_handlers); i++) { + const struct sip_handler *handler; diff --git a/target/linux/generic/patches-3.6/610-netfilter_match_bypass_default_checks.patch b/target/linux/generic/patches-3.6/610-netfilter_match_bypass_default_checks.patch new file mode 100644 index 0000000000..51c9e0999b --- /dev/null +++ b/target/linux/generic/patches-3.6/610-netfilter_match_bypass_default_checks.patch @@ -0,0 +1,93 @@ +--- a/include/linux/netfilter_ipv4/ip_tables.h ++++ b/include/linux/netfilter_ipv4/ip_tables.h +@@ -93,6 +93,7 @@ struct ipt_ip { + #define IPT_F_FRAG 0x01 /* Set if rule is a fragment rule */ + #define IPT_F_GOTO 0x02 /* Set if jump is a goto */ + #define IPT_F_MASK 0x03 /* All possible flag bits mask. */ ++#define IPT_F_NO_DEF_MATCH 0x80 /* Internal: no default match rules present */ + + /* Values for "inv" field in struct ipt_ip. */ + #define IPT_INV_VIA_IN 0x01 /* Invert the sense of IN IFACE. */ +--- a/net/ipv4/netfilter/ip_tables.c ++++ b/net/ipv4/netfilter/ip_tables.c +@@ -81,6 +81,9 @@ ip_packet_match(const struct iphdr *ip, + + #define FWINV(bool, invflg) ((bool) ^ !!(ipinfo->invflags & (invflg))) + ++ if (ipinfo->flags & IPT_F_NO_DEF_MATCH) ++ return true; ++ + if (FWINV((ip->saddr&ipinfo->smsk.s_addr) != ipinfo->src.s_addr, + IPT_INV_SRCIP) || + FWINV((ip->daddr&ipinfo->dmsk.s_addr) != ipinfo->dst.s_addr, +@@ -134,6 +137,29 @@ ip_packet_match(const struct iphdr *ip, + return true; + } + ++static void ++ip_checkdefault(struct ipt_ip *ip) ++{ ++ static const char iface_mask[IFNAMSIZ] = {}; ++ ++ if (ip->invflags || ip->flags & IPT_F_FRAG) ++ return; ++ ++ if (memcmp(ip->iniface_mask, iface_mask, IFNAMSIZ) != 0) ++ return; ++ ++ if (memcmp(ip->outiface_mask, iface_mask, IFNAMSIZ) != 0) ++ return; ++ ++ if (ip->smsk.s_addr || ip->dmsk.s_addr) ++ return; ++ ++ if (ip->proto) ++ return; ++ ++ ip->flags |= IPT_F_NO_DEF_MATCH; ++} ++ + static bool + ip_checkentry(const struct ipt_ip *ip) + { +@@ -561,7 +587,7 @@ static void cleanup_match(struct xt_entr + } + + static int +-check_entry(const struct ipt_entry *e, const char *name) ++check_entry(struct ipt_entry *e, const char *name) + { + const struct xt_entry_target *t; + +@@ -570,6 +596,8 @@ check_entry(const struct ipt_entry *e, c + return -EINVAL; + } + ++ ip_checkdefault(&e->ip); ++ + if (e->target_offset + sizeof(struct xt_entry_target) > + e->next_offset) + return -EINVAL; +@@ -931,6 +959,7 @@ copy_entries_to_user(unsigned int total_ + const struct xt_table_info *private = table->private; + int ret = 0; + const void *loc_cpu_entry; ++ u8 flags; + + counters = alloc_counters(table); + if (IS_ERR(counters)) +@@ -961,6 +990,14 @@ copy_entries_to_user(unsigned int total_ + ret = -EFAULT; + goto free_counters; + } ++ ++ flags = e->ip.flags & IPT_F_MASK; ++ if (copy_to_user(userptr + off ++ + offsetof(struct ipt_entry, ip.flags), ++ &flags, sizeof(flags)) != 0) { ++ ret = -EFAULT; ++ goto free_counters; ++ } + + for (i = sizeof(struct ipt_entry); + i < e->target_offset; diff --git a/target/linux/generic/patches-3.6/611-netfilter_match_bypass_default_table.patch b/target/linux/generic/patches-3.6/611-netfilter_match_bypass_default_table.patch new file mode 100644 index 0000000000..3cf0e5a32d --- /dev/null +++ b/target/linux/generic/patches-3.6/611-netfilter_match_bypass_default_table.patch @@ -0,0 +1,81 @@ +--- a/net/ipv4/netfilter/ip_tables.c ++++ b/net/ipv4/netfilter/ip_tables.c +@@ -310,6 +310,33 @@ struct ipt_entry *ipt_next_entry(const s + return (void *)entry + entry->next_offset; + } + ++static bool ++ipt_handle_default_rule(struct ipt_entry *e, unsigned int *verdict) ++{ ++ struct xt_entry_target *t; ++ struct xt_standard_target *st; ++ ++ if (e->target_offset != sizeof(struct ipt_entry)) ++ return false; ++ ++ if (!(e->ip.flags & IPT_F_NO_DEF_MATCH)) ++ return false; ++ ++ t = ipt_get_target(e); ++ if (t->u.kernel.target->target) ++ return false; ++ ++ st = (struct xt_standard_target *) t; ++ if (st->verdict == XT_RETURN) ++ return false; ++ ++ if (st->verdict >= 0) ++ return false; ++ ++ *verdict = (unsigned)(-st->verdict) - 1; ++ return true; ++} ++ + /* Returns one of the generic firewall policies, like NF_ACCEPT. */ + unsigned int + ipt_do_table(struct sk_buff *skb, +@@ -334,6 +361,25 @@ ipt_do_table(struct sk_buff *skb, + ip = ip_hdr(skb); + indev = in ? in->name : nulldevname; + outdev = out ? out->name : nulldevname; ++ ++ IP_NF_ASSERT(table->valid_hooks & (1 << hook)); ++ local_bh_disable(); ++ addend = xt_write_recseq_begin(); ++ private = table->private; ++ cpu = smp_processor_id(); ++ table_base = private->entries[cpu]; ++ jumpstack = (struct ipt_entry **)private->jumpstack[cpu]; ++ stackptr = per_cpu_ptr(private->stackptr, cpu); ++ origptr = *stackptr; ++ ++ e = get_entry(table_base, private->hook_entry[hook]); ++ if (ipt_handle_default_rule(e, &verdict)) { ++ ADD_COUNTER(e->counters, skb->len, 1); ++ xt_write_recseq_end(addend); ++ local_bh_enable(); ++ return verdict; ++ } ++ + /* We handle fragments by dealing with the first fragment as + * if it was a normal packet. All other fragments are treated + * normally, except that they will NEVER match rules that ask +@@ -348,18 +394,6 @@ ipt_do_table(struct sk_buff *skb, + acpar.family = NFPROTO_IPV4; + acpar.hooknum = hook; + +- IP_NF_ASSERT(table->valid_hooks & (1 << hook)); +- local_bh_disable(); +- addend = xt_write_recseq_begin(); +- private = table->private; +- cpu = smp_processor_id(); +- table_base = private->entries[cpu]; +- jumpstack = (struct ipt_entry **)private->jumpstack[cpu]; +- stackptr = per_cpu_ptr(private->stackptr, cpu); +- origptr = *stackptr; +- +- e = get_entry(table_base, private->hook_entry[hook]); +- + pr_debug("Entering %s(hook %u); sp at %u (UF %p)\n", + table->name, hook, origptr, + get_entry(table_base, private->underflow[hook])); diff --git a/target/linux/generic/patches-3.6/612-netfilter_match_reduce_memory_access.patch b/target/linux/generic/patches-3.6/612-netfilter_match_reduce_memory_access.patch new file mode 100644 index 0000000000..f506165e1d --- /dev/null +++ b/target/linux/generic/patches-3.6/612-netfilter_match_reduce_memory_access.patch @@ -0,0 +1,16 @@ +--- a/net/ipv4/netfilter/ip_tables.c ++++ b/net/ipv4/netfilter/ip_tables.c +@@ -84,9 +84,11 @@ ip_packet_match(const struct iphdr *ip, + if (ipinfo->flags & IPT_F_NO_DEF_MATCH) + return true; + +- if (FWINV((ip->saddr&ipinfo->smsk.s_addr) != ipinfo->src.s_addr, ++ if (FWINV(ipinfo->smsk.s_addr && ++ (ip->saddr&ipinfo->smsk.s_addr) != ipinfo->src.s_addr, + IPT_INV_SRCIP) || +- FWINV((ip->daddr&ipinfo->dmsk.s_addr) != ipinfo->dst.s_addr, ++ FWINV(ipinfo->dmsk.s_addr && ++ (ip->daddr&ipinfo->dmsk.s_addr) != ipinfo->dst.s_addr, + IPT_INV_DSTIP)) { + dprintf("Source or dest mismatch.\n"); + diff --git a/target/linux/generic/patches-3.6/613-netfilter_optional_tcp_window_check.patch b/target/linux/generic/patches-3.6/613-netfilter_optional_tcp_window_check.patch new file mode 100644 index 0000000000..1c259d4f0c --- /dev/null +++ b/target/linux/generic/patches-3.6/613-netfilter_optional_tcp_window_check.patch @@ -0,0 +1,36 @@ +--- a/net/netfilter/nf_conntrack_proto_tcp.c ++++ b/net/netfilter/nf_conntrack_proto_tcp.c +@@ -29,6 +29,9 @@ + #include <net/netfilter/ipv4/nf_conntrack_ipv4.h> + #include <net/netfilter/ipv6/nf_conntrack_ipv6.h> + ++/* Do not check the TCP window for incoming packets */ ++static int nf_ct_tcp_no_window_check __read_mostly = 1; ++ + /* "Be conservative in what you do, + be liberal in what you accept from others." + If it's non-zero, we mark only out of window RST segments as INVALID. */ +@@ -524,6 +527,9 @@ static bool tcp_in_window(const struct n + s16 receiver_offset; + bool res; + ++ if (nf_ct_tcp_no_window_check) ++ return true; ++ + /* + * Get the required data from the packet. + */ +@@ -1321,6 +1327,13 @@ static struct ctl_table tcp_sysctl_table + .proc_handler = proc_dointvec, + }, + { ++ .procname = "nf_conntrack_tcp_no_window_check", ++ .data = &nf_ct_tcp_no_window_check, ++ .maxlen = sizeof(unsigned int), ++ .mode = 0644, ++ .proc_handler = proc_dointvec, ++ }, ++ { + .procname = "nf_conntrack_tcp_be_liberal", + .data = &nf_ct_tcp_be_liberal, + .maxlen = sizeof(unsigned int), diff --git a/target/linux/generic/patches-3.6/620-sched_esfq.patch b/target/linux/generic/patches-3.6/620-sched_esfq.patch new file mode 100644 index 0000000000..1fdf09d099 --- /dev/null +++ b/target/linux/generic/patches-3.6/620-sched_esfq.patch @@ -0,0 +1,791 @@ +--- a/include/linux/pkt_sched.h ++++ b/include/linux/pkt_sched.h +@@ -193,6 +193,33 @@ struct tc_sfq_xstats { + __s32 allot; + }; + ++/* ESFQ section */ ++ ++enum ++{ ++ /* traditional */ ++ TCA_SFQ_HASH_CLASSIC, ++ TCA_SFQ_HASH_DST, ++ TCA_SFQ_HASH_SRC, ++ TCA_SFQ_HASH_FWMARK, ++ /* conntrack */ ++ TCA_SFQ_HASH_CTORIGDST, ++ TCA_SFQ_HASH_CTORIGSRC, ++ TCA_SFQ_HASH_CTREPLDST, ++ TCA_SFQ_HASH_CTREPLSRC, ++ TCA_SFQ_HASH_CTNATCHG, ++}; ++ ++struct tc_esfq_qopt ++{ ++ unsigned quantum; /* Bytes per round allocated to flow */ ++ int perturb_period; /* Period of hash perturbation */ ++ __u32 limit; /* Maximal packets in queue */ ++ unsigned divisor; /* Hash divisor */ ++ unsigned flows; /* Maximal number of flows */ ++ unsigned hash_kind; /* Hash function to use for flow identification */ ++}; ++ + /* RED section */ + + enum { +--- a/net/sched/Kconfig ++++ b/net/sched/Kconfig +@@ -148,6 +148,37 @@ config NET_SCH_SFQ + To compile this code as a module, choose M here: the + module will be called sch_sfq. + ++config NET_SCH_ESFQ ++ tristate "Enhanced Stochastic Fairness Queueing (ESFQ)" ++ ---help--- ++ Say Y here if you want to use the Enhanced Stochastic Fairness ++ Queueing (ESFQ) packet scheduling algorithm for some of your network ++ devices or as a leaf discipline for a classful qdisc such as HTB or ++ CBQ (see the top of <file:net/sched/sch_esfq.c> for details and ++ references to the SFQ algorithm). ++ ++ This is an enchanced SFQ version which allows you to control some ++ hardcoded values in the SFQ scheduler. ++ ++ ESFQ also adds control of the hash function used to identify packet ++ flows. The original SFQ discipline hashes by connection; ESFQ add ++ several other hashing methods, such as by src IP or by dst IP, which ++ can be more fair to users in some networking situations. ++ ++ To compile this code as a module, choose M here: the ++ module will be called sch_esfq. ++ ++config NET_SCH_ESFQ_NFCT ++ bool "Connection Tracking Hash Types" ++ depends on NET_SCH_ESFQ && NF_CONNTRACK ++ ---help--- ++ Say Y here to enable support for hashing based on netfilter connection ++ tracking information. This is useful for a router that is also using ++ NAT to connect privately-addressed hosts to the Internet. If you want ++ to provide fair distribution of upstream bandwidth, ESFQ must use ++ connection tracking information, since all outgoing packets will share ++ the same source address. ++ + config NET_SCH_TEQL + tristate "True Link Equalizer (TEQL)" + ---help--- +--- a/net/sched/Makefile ++++ b/net/sched/Makefile +@@ -26,6 +26,7 @@ obj-$(CONFIG_NET_SCH_INGRESS) += sch_ing + obj-$(CONFIG_NET_SCH_DSMARK) += sch_dsmark.o + obj-$(CONFIG_NET_SCH_SFB) += sch_sfb.o + obj-$(CONFIG_NET_SCH_SFQ) += sch_sfq.o ++obj-$(CONFIG_NET_SCH_ESFQ) += sch_esfq.o + obj-$(CONFIG_NET_SCH_TBF) += sch_tbf.o + obj-$(CONFIG_NET_SCH_TEQL) += sch_teql.o + obj-$(CONFIG_NET_SCH_PRIO) += sch_prio.o +--- /dev/null ++++ b/net/sched/sch_esfq.c +@@ -0,0 +1,702 @@ ++/* ++ * net/sched/sch_esfq.c Extended Stochastic Fairness Queueing discipline. ++ * ++ * This program is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU General Public License ++ * as published by the Free Software Foundation; either version ++ * 2 of the License, or (at your option) any later version. ++ * ++ * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> ++ * ++ * Changes: Alexander Atanasov, <alex@ssi.bg> ++ * Added dynamic depth,limit,divisor,hash_kind options. ++ * Added dst and src hashes. ++ * ++ * Alexander Clouter, <alex@digriz.org.uk> ++ * Ported ESFQ to Linux 2.6. ++ * ++ * Corey Hickey, <bugfood-c@fatooh.org> ++ * Maintenance of the Linux 2.6 port. ++ * Added fwmark hash (thanks to Robert Kurjata). ++ * Added usage of jhash. ++ * Added conntrack support. ++ * Added ctnatchg hash (thanks to Ben Pfountz). ++ */ ++ ++#include <linux/module.h> ++#include <asm/uaccess.h> ++#include <asm/system.h> ++#include <linux/bitops.h> ++#include <linux/types.h> ++#include <linux/kernel.h> ++#include <linux/jiffies.h> ++#include <linux/string.h> ++#include <linux/mm.h> ++#include <linux/socket.h> ++#include <linux/sockios.h> ++#include <linux/in.h> ++#include <linux/errno.h> ++#include <linux/interrupt.h> ++#include <linux/if_ether.h> ++#include <linux/inet.h> ++#include <linux/netdevice.h> ++#include <linux/etherdevice.h> ++#include <linux/notifier.h> ++#include <linux/init.h> ++#include <net/ip.h> ++#include <net/netlink.h> ++#include <linux/ipv6.h> ++#include <net/route.h> ++#include <linux/skbuff.h> ++#include <net/sock.h> ++#include <net/pkt_sched.h> ++#include <linux/jhash.h> ++#ifdef CONFIG_NET_SCH_ESFQ_NFCT ++#include <net/netfilter/nf_conntrack.h> ++#endif ++ ++/* Stochastic Fairness Queuing algorithm. ++ For more comments look at sch_sfq.c. ++ The difference is that you can change limit, depth, ++ hash table size and choose alternate hash types. ++ ++ classic: same as in sch_sfq.c ++ dst: destination IP address ++ src: source IP address ++ fwmark: netfilter mark value ++ ctorigdst: original destination IP address ++ ctorigsrc: original source IP address ++ ctrepldst: reply destination IP address ++ ctreplsrc: reply source IP ++ ++*/ ++ ++#define ESFQ_HEAD 0 ++#define ESFQ_TAIL 1 ++ ++/* This type should contain at least SFQ_DEPTH*2 values */ ++typedef unsigned int esfq_index; ++ ++struct esfq_head ++{ ++ esfq_index next; ++ esfq_index prev; ++}; ++ ++struct esfq_sched_data ++{ ++/* Parameters */ ++ int perturb_period; ++ unsigned quantum; /* Allotment per round: MUST BE >= MTU */ ++ int limit; ++ unsigned depth; ++ unsigned hash_divisor; ++ unsigned hash_kind; ++/* Variables */ ++ struct timer_list perturb_timer; ++ int perturbation; ++ esfq_index tail; /* Index of current slot in round */ ++ esfq_index max_depth; /* Maximal depth */ ++ ++ esfq_index *ht; /* Hash table */ ++ esfq_index *next; /* Active slots link */ ++ short *allot; /* Current allotment per slot */ ++ unsigned short *hash; /* Hash value indexed by slots */ ++ struct sk_buff_head *qs; /* Slot queue */ ++ struct esfq_head *dep; /* Linked list of slots, indexed by depth */ ++}; ++ ++/* This contains the info we will hash. */ ++struct esfq_packet_info ++{ ++ u32 proto; /* protocol or port */ ++ u32 src; /* source from packet header */ ++ u32 dst; /* destination from packet header */ ++ u32 ctorigsrc; /* original source from conntrack */ ++ u32 ctorigdst; /* original destination from conntrack */ ++ u32 ctreplsrc; /* reply source from conntrack */ ++ u32 ctrepldst; /* reply destination from conntrack */ ++ u32 mark; /* netfilter mark (fwmark) */ ++}; ++ ++static __inline__ unsigned esfq_jhash_1word(struct esfq_sched_data *q,u32 a) ++{ ++ return jhash_1word(a, q->perturbation) & (q->hash_divisor-1); ++} ++ ++static __inline__ unsigned esfq_jhash_2words(struct esfq_sched_data *q, u32 a, u32 b) ++{ ++ return jhash_2words(a, b, q->perturbation) & (q->hash_divisor-1); ++} ++ ++static __inline__ unsigned esfq_jhash_3words(struct esfq_sched_data *q, u32 a, u32 b, u32 c) ++{ ++ return jhash_3words(a, b, c, q->perturbation) & (q->hash_divisor-1); ++} ++ ++static unsigned esfq_hash(struct esfq_sched_data *q, struct sk_buff *skb) ++{ ++ struct esfq_packet_info info; ++#ifdef CONFIG_NET_SCH_ESFQ_NFCT ++ enum ip_conntrack_info ctinfo; ++ struct nf_conn *ct = nf_ct_get(skb, &ctinfo); ++#endif ++ ++ switch (skb->protocol) { ++ case __constant_htons(ETH_P_IP): ++ { ++ struct iphdr *iph = ip_hdr(skb); ++ info.dst = iph->daddr; ++ info.src = iph->saddr; ++ if (!(iph->frag_off&htons(IP_MF|IP_OFFSET)) && ++ (iph->protocol == IPPROTO_TCP || ++ iph->protocol == IPPROTO_UDP || ++ iph->protocol == IPPROTO_SCTP || ++ iph->protocol == IPPROTO_DCCP || ++ iph->protocol == IPPROTO_ESP)) ++ info.proto = *(((u32*)iph) + iph->ihl); ++ else ++ info.proto = iph->protocol; ++ break; ++ } ++ case __constant_htons(ETH_P_IPV6): ++ { ++ struct ipv6hdr *iph = ipv6_hdr(skb); ++ /* Hash ipv6 addresses into a u32. This isn't ideal, ++ * but the code is simple. */ ++ info.dst = jhash2(iph->daddr.s6_addr32, 4, q->perturbation); ++ info.src = jhash2(iph->saddr.s6_addr32, 4, q->perturbation); ++ if (iph->nexthdr == IPPROTO_TCP || ++ iph->nexthdr == IPPROTO_UDP || ++ iph->nexthdr == IPPROTO_SCTP || ++ iph->nexthdr == IPPROTO_DCCP || ++ iph->nexthdr == IPPROTO_ESP) ++ info.proto = *(u32*)&iph[1]; ++ else ++ info.proto = iph->nexthdr; ++ break; ++ } ++ default: ++ info.dst = (u32)(unsigned long)skb_dst(skb); ++ info.src = (u32)(unsigned long)skb->sk; ++ info.proto = skb->protocol; ++ } ++ ++ info.mark = skb->mark; ++ ++#ifdef CONFIG_NET_SCH_ESFQ_NFCT ++ /* defaults if there is no conntrack info */ ++ info.ctorigsrc = info.src; ++ info.ctorigdst = info.dst; ++ info.ctreplsrc = info.dst; ++ info.ctrepldst = info.src; ++ /* collect conntrack info */ ++ if (ct && ct != &nf_conntrack_untracked) { ++ if (skb->protocol == __constant_htons(ETH_P_IP)) { ++ info.ctorigsrc = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.u3.ip; ++ info.ctorigdst = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.u3.ip; ++ info.ctreplsrc = ct->tuplehash[IP_CT_DIR_REPLY].tuple.src.u3.ip; ++ info.ctrepldst = ct->tuplehash[IP_CT_DIR_REPLY].tuple.dst.u3.ip; ++ } ++ else if (skb->protocol == __constant_htons(ETH_P_IPV6)) { ++ /* Again, hash ipv6 addresses into a single u32. */ ++ info.ctorigsrc = jhash2(ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.u3.ip6, 4, q->perturbation); ++ info.ctorigdst = jhash2(ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.u3.ip6, 4, q->perturbation); ++ info.ctreplsrc = jhash2(ct->tuplehash[IP_CT_DIR_REPLY].tuple.src.u3.ip6, 4, q->perturbation); ++ info.ctrepldst = jhash2(ct->tuplehash[IP_CT_DIR_REPLY].tuple.dst.u3.ip6, 4, q->perturbation); ++ } ++ ++ } ++#endif ++ ++ switch(q->hash_kind) { ++ case TCA_SFQ_HASH_CLASSIC: ++ return esfq_jhash_3words(q, info.dst, info.src, info.proto); ++ case TCA_SFQ_HASH_DST: ++ return esfq_jhash_1word(q, info.dst); ++ case TCA_SFQ_HASH_SRC: ++ return esfq_jhash_1word(q, info.src); ++ case TCA_SFQ_HASH_FWMARK: ++ return esfq_jhash_1word(q, info.mark); ++#ifdef CONFIG_NET_SCH_ESFQ_NFCT ++ case TCA_SFQ_HASH_CTORIGDST: ++ return esfq_jhash_1word(q, info.ctorigdst); ++ case TCA_SFQ_HASH_CTORIGSRC: ++ return esfq_jhash_1word(q, info.ctorigsrc); ++ case TCA_SFQ_HASH_CTREPLDST: ++ return esfq_jhash_1word(q, info.ctrepldst); ++ case TCA_SFQ_HASH_CTREPLSRC: ++ return esfq_jhash_1word(q, info.ctreplsrc); ++ case TCA_SFQ_HASH_CTNATCHG: ++ { ++ if (info.ctorigdst == info.ctreplsrc) ++ return esfq_jhash_1word(q, info.ctorigsrc); ++ return esfq_jhash_1word(q, info.ctreplsrc); ++ } ++#endif ++ default: ++ if (net_ratelimit()) ++ printk(KERN_WARNING "ESFQ: Unknown hash method. Falling back to classic.\n"); ++ } ++ return esfq_jhash_3words(q, info.dst, info.src, info.proto); ++} ++ ++static inline void esfq_link(struct esfq_sched_data *q, esfq_index x) ++{ ++ esfq_index p, n; ++ int d = q->qs[x].qlen + q->depth; ++ ++ p = d; ++ n = q->dep[d].next; ++ q->dep[x].next = n; ++ q->dep[x].prev = p; ++ q->dep[p].next = q->dep[n].prev = x; ++} ++ ++static inline void esfq_dec(struct esfq_sched_data *q, esfq_index x) ++{ ++ esfq_index p, n; ++ ++ n = q->dep[x].next; ++ p = q->dep[x].prev; ++ q->dep[p].next = n; ++ q->dep[n].prev = p; ++ ++ if (n == p && q->max_depth == q->qs[x].qlen + 1) ++ q->max_depth--; ++ ++ esfq_link(q, x); ++} ++ ++static inline void esfq_inc(struct esfq_sched_data *q, esfq_index x) ++{ ++ esfq_index p, n; ++ int d; ++ ++ n = q->dep[x].next; ++ p = q->dep[x].prev; ++ q->dep[p].next = n; ++ q->dep[n].prev = p; ++ d = q->qs[x].qlen; ++ if (q->max_depth < d) ++ q->max_depth = d; ++ ++ esfq_link(q, x); ++} ++ ++static unsigned int esfq_drop(struct Qdisc *sch) ++{ ++ struct esfq_sched_data *q = qdisc_priv(sch); ++ esfq_index d = q->max_depth; ++ struct sk_buff *skb; ++ unsigned int len; ++ ++ /* Queue is full! Find the longest slot and ++ drop a packet from it */ ++ ++ if (d > 1) { ++ esfq_index x = q->dep[d+q->depth].next; ++ skb = q->qs[x].prev; ++ len = skb->len; ++ __skb_unlink(skb, &q->qs[x]); ++ kfree_skb(skb); ++ esfq_dec(q, x); ++ sch->q.qlen--; ++ sch->qstats.drops++; ++ sch->qstats.backlog -= len; ++ return len; ++ } ++ ++ if (d == 1) { ++ /* It is difficult to believe, but ALL THE SLOTS HAVE LENGTH 1. */ ++ d = q->next[q->tail]; ++ q->next[q->tail] = q->next[d]; ++ q->allot[q->next[d]] += q->quantum; ++ skb = q->qs[d].prev; ++ len = skb->len; ++ __skb_unlink(skb, &q->qs[d]); ++ kfree_skb(skb); ++ esfq_dec(q, d); ++ sch->q.qlen--; ++ q->ht[q->hash[d]] = q->depth; ++ sch->qstats.drops++; ++ sch->qstats.backlog -= len; ++ return len; ++ } ++ ++ return 0; ++} ++ ++static void esfq_q_enqueue(struct sk_buff *skb, struct esfq_sched_data *q, unsigned int end) ++{ ++ unsigned hash = esfq_hash(q, skb); ++ unsigned depth = q->depth; ++ esfq_index x; ++ ++ x = q->ht[hash]; ++ if (x == depth) { ++ q->ht[hash] = x = q->dep[depth].next; ++ q->hash[x] = hash; ++ } ++ ++ if (end == ESFQ_TAIL) ++ __skb_queue_tail(&q->qs[x], skb); ++ else ++ __skb_queue_head(&q->qs[x], skb); ++ ++ esfq_inc(q, x); ++ if (q->qs[x].qlen == 1) { /* The flow is new */ ++ if (q->tail == depth) { /* It is the first flow */ ++ q->tail = x; ++ q->next[x] = x; ++ q->allot[x] = q->quantum; ++ } else { ++ q->next[x] = q->next[q->tail]; ++ q->next[q->tail] = x; ++ q->tail = x; ++ } ++ } ++} ++ ++static int esfq_enqueue(struct sk_buff *skb, struct Qdisc* sch) ++{ ++ struct esfq_sched_data *q = qdisc_priv(sch); ++ esfq_q_enqueue(skb, q, ESFQ_TAIL); ++ sch->qstats.backlog += skb->len; ++ if (++sch->q.qlen < q->limit-1) { ++ sch->bstats.bytes += skb->len; ++ sch->bstats.packets++; ++ return 0; ++ } ++ ++ sch->qstats.drops++; ++ esfq_drop(sch); ++ return NET_XMIT_CN; ++} ++ ++static struct sk_buff *esfq_peek(struct Qdisc* sch) ++{ ++ struct esfq_sched_data *q = qdisc_priv(sch); ++ esfq_index a; ++ ++ /* No active slots */ ++ if (q->tail == q->depth) ++ return NULL; ++ ++ a = q->next[q->tail]; ++ return skb_peek(&q->qs[a]); ++} ++ ++static struct sk_buff *esfq_q_dequeue(struct esfq_sched_data *q) ++{ ++ struct sk_buff *skb; ++ unsigned depth = q->depth; ++ esfq_index a, old_a; ++ ++ /* No active slots */ ++ if (q->tail == depth) ++ return NULL; ++ ++ a = old_a = q->next[q->tail]; ++ ++ /* Grab packet */ ++ skb = __skb_dequeue(&q->qs[a]); ++ esfq_dec(q, a); ++ ++ /* Is the slot empty? */ ++ if (q->qs[a].qlen == 0) { ++ q->ht[q->hash[a]] = depth; ++ a = q->next[a]; ++ if (a == old_a) { ++ q->tail = depth; ++ return skb; ++ } ++ q->next[q->tail] = a; ++ q->allot[a] += q->quantum; ++ } else if ((q->allot[a] -= skb->len) <= 0) { ++ q->tail = a; ++ a = q->next[a]; ++ q->allot[a] += q->quantum; ++ } ++ ++ return skb; ++} ++ ++static struct sk_buff *esfq_dequeue(struct Qdisc* sch) ++{ ++ struct esfq_sched_data *q = qdisc_priv(sch); ++ struct sk_buff *skb; ++ ++ skb = esfq_q_dequeue(q); ++ if (skb == NULL) ++ return NULL; ++ sch->q.qlen--; ++ sch->qstats.backlog -= skb->len; ++ return skb; ++} ++ ++static void esfq_q_destroy(struct esfq_sched_data *q) ++{ ++ del_timer(&q->perturb_timer); ++ if(q->ht) ++ kfree(q->ht); ++ if(q->dep) ++ kfree(q->dep); ++ if(q->next) ++ kfree(q->next); ++ if(q->allot) ++ kfree(q->allot); ++ if(q->hash) ++ kfree(q->hash); ++ if(q->qs) ++ kfree(q->qs); ++} ++ ++static void esfq_destroy(struct Qdisc *sch) ++{ ++ struct esfq_sched_data *q = qdisc_priv(sch); ++ esfq_q_destroy(q); ++} ++ ++ ++static void esfq_reset(struct Qdisc* sch) ++{ ++ struct sk_buff *skb; ++ ++ while ((skb = esfq_dequeue(sch)) != NULL) ++ kfree_skb(skb); ++} ++ ++static void esfq_perturbation(unsigned long arg) ++{ ++ struct Qdisc *sch = (struct Qdisc*)arg; ++ struct esfq_sched_data *q = qdisc_priv(sch); ++ ++ q->perturbation = net_random()&0x1F; ++ ++ if (q->perturb_period) { ++ q->perturb_timer.expires = jiffies + q->perturb_period; ++ add_timer(&q->perturb_timer); ++ } ++} ++ ++static unsigned int esfq_check_hash(unsigned int kind) ++{ ++ switch (kind) { ++ case TCA_SFQ_HASH_CTORIGDST: ++ case TCA_SFQ_HASH_CTORIGSRC: ++ case TCA_SFQ_HASH_CTREPLDST: ++ case TCA_SFQ_HASH_CTREPLSRC: ++ case TCA_SFQ_HASH_CTNATCHG: ++#ifndef CONFIG_NET_SCH_ESFQ_NFCT ++ { ++ if (net_ratelimit()) ++ printk(KERN_WARNING "ESFQ: Conntrack hash types disabled in kernel config. Falling back to classic.\n"); ++ return TCA_SFQ_HASH_CLASSIC; ++ } ++#endif ++ case TCA_SFQ_HASH_CLASSIC: ++ case TCA_SFQ_HASH_DST: ++ case TCA_SFQ_HASH_SRC: ++ case TCA_SFQ_HASH_FWMARK: ++ return kind; ++ default: ++ { ++ if (net_ratelimit()) ++ printk(KERN_WARNING "ESFQ: Unknown hash type. Falling back to classic.\n"); ++ return TCA_SFQ_HASH_CLASSIC; ++ } ++ } ++} ++ ++static int esfq_q_init(struct esfq_sched_data *q, struct nlattr *opt) ++{ ++ struct tc_esfq_qopt *ctl = nla_data(opt); ++ esfq_index p = ~0U/2; ++ int i; ++ ++ if (opt && opt->nla_len < nla_attr_size(sizeof(*ctl))) ++ return -EINVAL; ++ ++ q->perturbation = 0; ++ q->hash_kind = TCA_SFQ_HASH_CLASSIC; ++ q->max_depth = 0; ++ if (opt == NULL) { ++ q->perturb_period = 0; ++ q->hash_divisor = 1024; ++ q->tail = q->limit = q->depth = 128; ++ ++ } else { ++ struct tc_esfq_qopt *ctl = nla_data(opt); ++ if (ctl->quantum) ++ q->quantum = ctl->quantum; ++ q->perturb_period = ctl->perturb_period*HZ; ++ q->hash_divisor = ctl->divisor ? : 1024; ++ q->tail = q->limit = q->depth = ctl->flows ? : 128; ++ ++ if ( q->depth > p - 1 ) ++ return -EINVAL; ++ ++ if (ctl->limit) ++ q->limit = min_t(u32, ctl->limit, q->depth); ++ ++ if (ctl->hash_kind) { ++ q->hash_kind = esfq_check_hash(ctl->hash_kind); ++ } ++ } ++ ++ q->ht = kmalloc(q->hash_divisor*sizeof(esfq_index), GFP_KERNEL); ++ if (!q->ht) ++ goto err_case; ++ q->dep = kmalloc((1+q->depth*2)*sizeof(struct esfq_head), GFP_KERNEL); ++ if (!q->dep) ++ goto err_case; ++ q->next = kmalloc(q->depth*sizeof(esfq_index), GFP_KERNEL); ++ if (!q->next) ++ goto err_case; ++ q->allot = kmalloc(q->depth*sizeof(short), GFP_KERNEL); ++ if (!q->allot) ++ goto err_case; ++ q->hash = kmalloc(q->depth*sizeof(unsigned short), GFP_KERNEL); ++ if (!q->hash) ++ goto err_case; ++ q->qs = kmalloc(q->depth*sizeof(struct sk_buff_head), GFP_KERNEL); ++ if (!q->qs) ++ goto err_case; ++ ++ for (i=0; i< q->hash_divisor; i++) ++ q->ht[i] = q->depth; ++ for (i=0; i<q->depth; i++) { ++ skb_queue_head_init(&q->qs[i]); ++ q->dep[i+q->depth].next = i+q->depth; ++ q->dep[i+q->depth].prev = i+q->depth; ++ } ++ ++ for (i=0; i<q->depth; i++) ++ esfq_link(q, i); ++ return 0; ++err_case: ++ esfq_q_destroy(q); ++ return -ENOBUFS; ++} ++ ++static int esfq_init(struct Qdisc *sch, struct nlattr *opt) ++{ ++ struct esfq_sched_data *q = qdisc_priv(sch); ++ int err; ++ ++ q->quantum = psched_mtu(qdisc_dev(sch)); /* default */ ++ if ((err = esfq_q_init(q, opt))) ++ return err; ++ ++ init_timer(&q->perturb_timer); ++ q->perturb_timer.data = (unsigned long)sch; ++ q->perturb_timer.function = esfq_perturbation; ++ if (q->perturb_period) { ++ q->perturb_timer.expires = jiffies + q->perturb_period; ++ add_timer(&q->perturb_timer); ++ } ++ ++ return 0; ++} ++ ++static int esfq_change(struct Qdisc *sch, struct nlattr *opt) ++{ ++ struct esfq_sched_data *q = qdisc_priv(sch); ++ struct esfq_sched_data new; ++ struct sk_buff *skb; ++ int err; ++ ++ /* set up new queue */ ++ memset(&new, 0, sizeof(struct esfq_sched_data)); ++ new.quantum = psched_mtu(qdisc_dev(sch)); /* default */ ++ if ((err = esfq_q_init(&new, opt))) ++ return err; ++ ++ /* copy all packets from the old queue to the new queue */ ++ sch_tree_lock(sch); ++ while ((skb = esfq_q_dequeue(q)) != NULL) ++ esfq_q_enqueue(skb, &new, ESFQ_TAIL); ++ ++ /* clean up the old queue */ ++ esfq_q_destroy(q); ++ ++ /* copy elements of the new queue into the old queue */ ++ q->perturb_period = new.perturb_period; ++ q->quantum = new.quantum; ++ q->limit = new.limit; ++ q->depth = new.depth; ++ q->hash_divisor = new.hash_divisor; ++ q->hash_kind = new.hash_kind; ++ q->tail = new.tail; ++ q->max_depth = new.max_depth; ++ q->ht = new.ht; ++ q->dep = new.dep; ++ q->next = new.next; ++ q->allot = new.allot; ++ q->hash = new.hash; ++ q->qs = new.qs; ++ ++ /* finish up */ ++ if (q->perturb_period) { ++ q->perturb_timer.expires = jiffies + q->perturb_period; ++ add_timer(&q->perturb_timer); ++ } else { ++ q->perturbation = 0; ++ } ++ sch_tree_unlock(sch); ++ return 0; ++} ++ ++static int esfq_dump(struct Qdisc *sch, struct sk_buff *skb) ++{ ++ struct esfq_sched_data *q = qdisc_priv(sch); ++ unsigned char *b = skb_tail_pointer(skb); ++ struct tc_esfq_qopt opt; ++ ++ opt.quantum = q->quantum; ++ opt.perturb_period = q->perturb_period/HZ; ++ ++ opt.limit = q->limit; ++ opt.divisor = q->hash_divisor; ++ opt.flows = q->depth; ++ opt.hash_kind = q->hash_kind; ++ ++ NLA_PUT(skb, TCA_OPTIONS, sizeof(opt), &opt); ++ ++ return skb->len; ++ ++nla_put_failure: ++ nlmsg_trim(skb, b); ++ return -1; ++} ++ ++static struct Qdisc_ops esfq_qdisc_ops = ++{ ++ .next = NULL, ++ .cl_ops = NULL, ++ .id = "esfq", ++ .priv_size = sizeof(struct esfq_sched_data), ++ .enqueue = esfq_enqueue, ++ .dequeue = esfq_dequeue, ++ .peek = esfq_peek, ++ .drop = esfq_drop, ++ .init = esfq_init, ++ .reset = esfq_reset, ++ .destroy = esfq_destroy, ++ .change = esfq_change, ++ .dump = esfq_dump, ++ .owner = THIS_MODULE, ++}; ++ ++static int __init esfq_module_init(void) ++{ ++ return register_qdisc(&esfq_qdisc_ops); ++} ++static void __exit esfq_module_exit(void) ++{ ++ unregister_qdisc(&esfq_qdisc_ops); ++} ++module_init(esfq_module_init) ++module_exit(esfq_module_exit) ++MODULE_LICENSE("GPL"); diff --git a/target/linux/generic/patches-3.6/621-sched_act_connmark.patch b/target/linux/generic/patches-3.6/621-sched_act_connmark.patch new file mode 100644 index 0000000000..b6adce1feb --- /dev/null +++ b/target/linux/generic/patches-3.6/621-sched_act_connmark.patch @@ -0,0 +1,172 @@ +--- /dev/null ++++ b/net/sched/act_connmark.c +@@ -0,0 +1,137 @@ ++/* ++ * Copyright (c) 2011 Felix Fietkau <nbd@openwrt.org> ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms and conditions of the GNU General Public License, ++ * version 2, as published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for ++ * more details. ++ * ++ * You should have received a copy of the GNU General Public License along with ++ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple ++ * Place - Suite 330, Boston, MA 02111-1307 USA. ++ */ ++ ++#include <linux/module.h> ++#include <linux/init.h> ++#include <linux/kernel.h> ++#include <linux/skbuff.h> ++#include <linux/rtnetlink.h> ++#include <linux/pkt_cls.h> ++#include <linux/ip.h> ++#include <linux/ipv6.h> ++#include <net/netlink.h> ++#include <net/pkt_sched.h> ++#include <net/act_api.h> ++ ++#include <net/netfilter/nf_conntrack.h> ++#include <net/netfilter/nf_conntrack_core.h> ++ ++#define TCA_ACT_CONNMARK 20 ++ ++#define CONNMARK_TAB_MASK 3 ++static struct tcf_common *tcf_connmark_ht[CONNMARK_TAB_MASK + 1]; ++static u32 connmark_idx_gen; ++static DEFINE_RWLOCK(connmark_lock); ++ ++static struct tcf_hashinfo connmark_hash_info = { ++ .htab = tcf_connmark_ht, ++ .hmask = CONNMARK_TAB_MASK, ++ .lock = &connmark_lock, ++}; ++ ++static int tcf_connmark(struct sk_buff *skb, const struct tc_action *a, ++ struct tcf_result *res) ++{ ++ struct nf_conn *c; ++ enum ip_conntrack_info ctinfo; ++ int proto; ++ int r; ++ ++ if (skb->protocol == htons(ETH_P_IP)) { ++ if (skb->len < sizeof(struct iphdr)) ++ goto out; ++ proto = PF_INET; ++ } else if (skb->protocol == htons(ETH_P_IPV6)) { ++ if (skb->len < sizeof(struct ipv6hdr)) ++ goto out; ++ proto = PF_INET6; ++ } else ++ goto out; ++ ++ r = nf_conntrack_in(dev_net(skb->dev), proto, NF_INET_PRE_ROUTING, skb); ++ if (r != NF_ACCEPT) ++ goto out; ++ ++ c = nf_ct_get(skb, &ctinfo); ++ if (!c) ++ goto out; ++ ++ skb->mark = c->mark; ++ nf_conntrack_put(skb->nfct); ++ skb->nfct = NULL; ++ ++out: ++ return TC_ACT_PIPE; ++} ++ ++static int tcf_connmark_init(struct nlattr *nla, struct nlattr *est, ++ struct tc_action *a, int ovr, int bind) ++{ ++ struct tcf_common *pc; ++ ++ pc = tcf_hash_create(0, est, a, sizeof(*pc), bind, ++ &connmark_idx_gen, &connmark_hash_info); ++ if (IS_ERR(pc)) ++ return PTR_ERR(pc); ++ ++ tcf_hash_insert(pc, &connmark_hash_info); ++ ++ return ACT_P_CREATED; ++} ++ ++static inline int tcf_connmark_cleanup(struct tc_action *a, int bind) ++{ ++ if (a->priv) ++ return tcf_hash_release(a->priv, bind, &connmark_hash_info); ++ return 0; ++} ++ ++static inline int tcf_connmark_dump(struct sk_buff *skb, struct tc_action *a, ++ int bind, int ref) ++{ ++ return skb->len; ++} ++ ++static struct tc_action_ops act_connmark_ops = { ++ .kind = "connmark", ++ .hinfo = &connmark_hash_info, ++ .type = TCA_ACT_CONNMARK, ++ .capab = TCA_CAP_NONE, ++ .owner = THIS_MODULE, ++ .act = tcf_connmark, ++ .dump = tcf_connmark_dump, ++ .cleanup = tcf_connmark_cleanup, ++ .init = tcf_connmark_init, ++ .walk = tcf_generic_walker, ++}; ++ ++MODULE_AUTHOR("Felix Fietkau <nbd@openwrt.org>"); ++MODULE_DESCRIPTION("Connection tracking mark restoring"); ++MODULE_LICENSE("GPL"); ++ ++static int __init connmark_init_module(void) ++{ ++ return tcf_register_action(&act_connmark_ops); ++} ++ ++static void __exit connmark_cleanup_module(void) ++{ ++ tcf_unregister_action(&act_connmark_ops); ++} ++ ++module_init(connmark_init_module); ++module_exit(connmark_cleanup_module); +--- a/net/sched/Kconfig ++++ b/net/sched/Kconfig +@@ -624,6 +624,19 @@ config NET_ACT_CSUM + To compile this code as a module, choose M here: the + module will be called act_csum. + ++config NET_ACT_CONNMARK ++ tristate "Connection Tracking Marking" ++ depends on NET_CLS_ACT ++ depends on NF_CONNTRACK ++ depends on NF_CONNTRACK_MARK ++ ---help--- ++ Say Y here to restore the connmark from a scheduler action ++ ++ If unsure, say N. ++ ++ To compile this code as a module, choose M here: the ++ module will be called act_connmark. ++ + config NET_CLS_IND + bool "Incoming device classification" + depends on NET_CLS_U32 || NET_CLS_FW +--- a/net/sched/Makefile ++++ b/net/sched/Makefile +@@ -16,6 +16,7 @@ obj-$(CONFIG_NET_ACT_PEDIT) += act_pedit + obj-$(CONFIG_NET_ACT_SIMP) += act_simple.o + obj-$(CONFIG_NET_ACT_SKBEDIT) += act_skbedit.o + obj-$(CONFIG_NET_ACT_CSUM) += act_csum.o ++obj-$(CONFIG_NET_ACT_CONNMARK) += act_connmark.o + obj-$(CONFIG_NET_SCH_FIFO) += sch_fifo.o + obj-$(CONFIG_NET_SCH_CBQ) += sch_cbq.o + obj-$(CONFIG_NET_SCH_HTB) += sch_htb.o diff --git a/target/linux/generic/patches-3.6/630-packet_socket_type.patch b/target/linux/generic/patches-3.6/630-packet_socket_type.patch new file mode 100644 index 0000000000..231b745c6a --- /dev/null +++ b/target/linux/generic/patches-3.6/630-packet_socket_type.patch @@ -0,0 +1,132 @@ +This patch allows the user to specify desired packet types (outgoing, +broadcast, unicast, etc.) on packet sockets via setsockopt. +This can reduce the load in situations where only a limited number +of packet types are necessary + +Signed-off-by: Felix Fietkau <nbd@openwrt.org> + +--- a/include/linux/if_packet.h ++++ b/include/linux/if_packet.h +@@ -29,6 +29,8 @@ struct sockaddr_ll { + /* These ones are invisible by user level */ + #define PACKET_LOOPBACK 5 /* MC/BRD frame looped back */ + #define PACKET_FASTROUTE 6 /* Fastrouted frame */ ++#define PACKET_MASK_ANY 0xffffffff /* mask for packet type bits */ ++ + + /* Packet socket options */ + +@@ -50,6 +52,7 @@ struct sockaddr_ll { + #define PACKET_TX_TIMESTAMP 16 + #define PACKET_TIMESTAMP 17 + #define PACKET_FANOUT 18 ++#define PACKET_RECV_TYPE 19 + + #define PACKET_FANOUT_HASH 0 + #define PACKET_FANOUT_LB 1 +--- a/net/packet/af_packet.c ++++ b/net/packet/af_packet.c +@@ -296,6 +296,7 @@ struct packet_sock { + unsigned int tp_loss:1; + unsigned int tp_tstamp; + struct packet_type prot_hook ____cacheline_aligned_in_smp; ++ unsigned int pkt_type; + }; + + #define PACKET_FANOUT_MAX 256 +@@ -1383,6 +1384,7 @@ static int packet_rcv_spkt(struct sk_buf + { + struct sock *sk; + struct sockaddr_pkt *spkt; ++ struct packet_sock *po; + + /* + * When we registered the protocol we saved the socket in the data +@@ -1390,6 +1392,7 @@ static int packet_rcv_spkt(struct sk_buf + */ + + sk = pt->af_packet_priv; ++ po = pkt_sk(sk); + + /* + * Yank back the headers [hope the device set this +@@ -1402,7 +1405,7 @@ static int packet_rcv_spkt(struct sk_buf + * so that this procedure is noop. + */ + +- if (skb->pkt_type == PACKET_LOOPBACK) ++ if (!(po->pkt_type & (1 << skb->pkt_type))) + goto out; + + if (!net_eq(dev_net(dev), sock_net(sk))) +@@ -1596,12 +1599,12 @@ static int packet_rcv(struct sk_buff *sk + int skb_len = skb->len; + unsigned int snaplen, res; + +- if (skb->pkt_type == PACKET_LOOPBACK) +- goto drop; +- + sk = pt->af_packet_priv; + po = pkt_sk(sk); + ++ if (!(po->pkt_type & (1 << skb->pkt_type))) ++ goto drop; ++ + if (!net_eq(dev_net(dev), sock_net(sk))) + goto drop; + +@@ -1720,12 +1723,12 @@ static int tpacket_rcv(struct sk_buff *s + struct timespec ts; + struct skb_shared_hwtstamps *shhwtstamps = skb_hwtstamps(skb); + +- if (skb->pkt_type == PACKET_LOOPBACK) +- goto drop; +- + sk = pt->af_packet_priv; + po = pkt_sk(sk); + ++ if (!(po->pkt_type & (1 << skb->pkt_type))) ++ goto drop; ++ + if (!net_eq(dev_net(dev), sock_net(sk))) + goto drop; + +@@ -2595,6 +2598,7 @@ static int packet_create(struct net *net + spin_lock_init(&po->bind_lock); + mutex_init(&po->pg_vec_lock); + po->prot_hook.func = packet_rcv; ++ po->pkt_type = PACKET_MASK_ANY & ~(1 << PACKET_LOOPBACK); + + if (sock->type == SOCK_PACKET) + po->prot_hook.func = packet_rcv_spkt; +@@ -3192,6 +3196,16 @@ packet_setsockopt(struct socket *sock, i + + return fanout_add(sk, val & 0xffff, val >> 16); + } ++ case PACKET_RECV_TYPE: ++ { ++ unsigned int val; ++ if (optlen != sizeof(val)) ++ return -EINVAL; ++ if (copy_from_user(&val, optval, sizeof(val))) ++ return -EFAULT; ++ po->pkt_type = val & ~PACKET_LOOPBACK; ++ return 0; ++ } + default: + return -ENOPROTOOPT; + } +@@ -3262,6 +3276,13 @@ static int packet_getsockopt(struct sock + + data = &val; + break; ++ case PACKET_RECV_TYPE: ++ if (len > sizeof(unsigned int)) ++ len = sizeof(unsigned int); ++ val = po->pkt_type; ++ ++ data = &val; ++ break; + case PACKET_VERSION: + if (len > sizeof(int)) + len = sizeof(int); diff --git a/target/linux/generic/patches-3.6/640-bridge_no_eap_forward.patch b/target/linux/generic/patches-3.6/640-bridge_no_eap_forward.patch new file mode 100644 index 0000000000..bbdb3bf1dd --- /dev/null +++ b/target/linux/generic/patches-3.6/640-bridge_no_eap_forward.patch @@ -0,0 +1,15 @@ +--- a/net/bridge/br_input.c ++++ b/net/bridge/br_input.c +@@ -78,7 +78,11 @@ int br_handle_frame_finish(struct sk_buf + + dst = NULL; + +- if (is_broadcast_ether_addr(dest)) ++ if (skb->protocol == htons(ETH_P_PAE)) { ++ skb2 = skb; ++ /* Do not forward 802.1x/EAP frames */ ++ skb = NULL; ++ } else if (is_broadcast_ether_addr(dest)) + skb2 = skb; + else if (is_multicast_ether_addr(dest)) { + mdst = br_mdb_get(br, skb); diff --git a/target/linux/generic/patches-3.6/641-bridge_always_accept_eap.patch b/target/linux/generic/patches-3.6/641-bridge_always_accept_eap.patch new file mode 100644 index 0000000000..e04199b301 --- /dev/null +++ b/target/linux/generic/patches-3.6/641-bridge_always_accept_eap.patch @@ -0,0 +1,11 @@ +--- a/net/bridge/br_input.c ++++ b/net/bridge/br_input.c +@@ -65,7 +65,7 @@ int br_handle_frame_finish(struct sk_buf + br_multicast_rcv(br, p, skb)) + goto drop; + +- if (p->state == BR_STATE_LEARNING) ++ if ((p->state == BR_STATE_LEARNING) && skb->protocol != htons(ETH_P_PAE)) + goto drop; + + BR_INPUT_SKB_CB(skb)->brdev = br->dev; diff --git a/target/linux/generic/patches-3.6/642-bridge_port_isolate.patch b/target/linux/generic/patches-3.6/642-bridge_port_isolate.patch new file mode 100644 index 0000000000..68434bfc29 --- /dev/null +++ b/target/linux/generic/patches-3.6/642-bridge_port_isolate.patch @@ -0,0 +1,103 @@ +--- a/net/bridge/br_private.h ++++ b/net/bridge/br_private.h +@@ -135,6 +135,7 @@ struct net_bridge_port + + unsigned long flags; + #define BR_HAIRPIN_MODE 0x00000001 ++#define BR_ISOLATE_MODE 0x00000002 + + #ifdef CONFIG_BRIDGE_IGMP_SNOOPING + u32 multicast_startup_queries_sent; +--- a/net/bridge/br_sysfs_if.c ++++ b/net/bridge/br_sysfs_if.c +@@ -149,6 +149,22 @@ static int store_hairpin_mode(struct net + static BRPORT_ATTR(hairpin_mode, S_IRUGO | S_IWUSR, + show_hairpin_mode, store_hairpin_mode); + ++static ssize_t show_isolate_mode(struct net_bridge_port *p, char *buf) ++{ ++ int isolate_mode = (p->flags & BR_ISOLATE_MODE) ? 1 : 0; ++ return sprintf(buf, "%d\n", isolate_mode); ++} ++static ssize_t store_isolate_mode(struct net_bridge_port *p, unsigned long v) ++{ ++ if (v) ++ p->flags |= BR_ISOLATE_MODE; ++ else ++ p->flags &= ~BR_ISOLATE_MODE; ++ return 0; ++} ++static BRPORT_ATTR(isolate_mode, S_IRUGO | S_IWUSR, ++ show_isolate_mode, store_isolate_mode); ++ + #ifdef CONFIG_BRIDGE_IGMP_SNOOPING + static ssize_t show_multicast_router(struct net_bridge_port *p, char *buf) + { +@@ -181,6 +197,7 @@ static struct brport_attribute *brport_a + &brport_attr_hold_timer, + &brport_attr_flush, + &brport_attr_hairpin_mode, ++ &brport_attr_isolate_mode, + #ifdef CONFIG_BRIDGE_IGMP_SNOOPING + &brport_attr_multicast_router, + #endif +--- a/net/bridge/br_input.c ++++ b/net/bridge/br_input.c +@@ -98,7 +98,8 @@ int br_handle_frame_finish(struct sk_buf + skb2 = skb; + + br->dev->stats.multicast++; +- } else if ((dst = __br_fdb_get(br, dest)) && dst->is_local) { ++ } else if ((p->flags & BR_ISOLATE_MODE) || ++ ((dst = __br_fdb_get(br, dest)) && dst->is_local)) { + skb2 = skb; + /* Do not forward the packet since it's local. */ + skb = NULL; +--- a/net/bridge/br_forward.c ++++ b/net/bridge/br_forward.c +@@ -109,7 +109,7 @@ void br_deliver(const struct net_bridge_ + /* called with rcu_read_lock */ + void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, struct sk_buff *skb0) + { +- if (should_deliver(to, skb)) { ++ if (should_deliver(to, skb) && !(to->flags & BR_ISOLATE_MODE)) { + if (skb0) + deliver_clone(to, skb, __br_forward); + else +@@ -164,7 +164,8 @@ out: + static void br_flood(struct net_bridge *br, struct sk_buff *skb, + struct sk_buff *skb0, + void (*__packet_hook)(const struct net_bridge_port *p, +- struct sk_buff *skb)) ++ struct sk_buff *skb), ++ bool forward) + { + struct net_bridge_port *p; + struct net_bridge_port *prev; +@@ -172,6 +173,9 @@ static void br_flood(struct net_bridge * + prev = NULL; + + list_for_each_entry_rcu(p, &br->port_list, list) { ++ if (forward && (p->flags & BR_ISOLATE_MODE)) ++ continue; ++ + prev = maybe_deliver(prev, p, skb, __packet_hook); + if (IS_ERR(prev)) + goto out; +@@ -195,14 +199,14 @@ out: + /* called with rcu_read_lock */ + void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb) + { +- br_flood(br, skb, NULL, __br_deliver); ++ br_flood(br, skb, NULL, __br_deliver, false); + } + + /* called under bridge lock */ + void br_flood_forward(struct net_bridge *br, struct sk_buff *skb, + struct sk_buff *skb2) + { +- br_flood(br, skb, skb2, __br_forward); ++ br_flood(br, skb, skb2, __br_forward, true); + } + + #ifdef CONFIG_BRIDGE_IGMP_SNOOPING diff --git a/target/linux/generic/patches-3.6/643-bridge_remove_ipv6_dependency.patch b/target/linux/generic/patches-3.6/643-bridge_remove_ipv6_dependency.patch new file mode 100644 index 0000000000..301b6be441 --- /dev/null +++ b/target/linux/generic/patches-3.6/643-bridge_remove_ipv6_dependency.patch @@ -0,0 +1,107 @@ +--- a/include/net/addrconf.h ++++ b/include/net/addrconf.h +@@ -91,6 +91,12 @@ extern void addrconf_join_solict(struc + extern void addrconf_leave_solict(struct inet6_dev *idev, + const struct in6_addr *addr); + ++extern int (*ipv6_dev_get_saddr_hook)(struct net *net, ++ struct net_device *dev, ++ const struct in6_addr *daddr, ++ unsigned int srcprefs, ++ struct in6_addr *saddr); ++ + static inline unsigned long addrconf_timeout_fixup(u32 timeout, + unsigned unit) + { +--- a/net/bridge/Kconfig ++++ b/net/bridge/Kconfig +@@ -6,7 +6,6 @@ config BRIDGE + tristate "802.1d Ethernet Bridging" + select LLC + select STP +- depends on IPV6 || IPV6=n + ---help--- + If you say Y here, then your Linux box will be able to act as an + Ethernet bridge, which means that the different Ethernet segments it +--- a/net/ipv6/Makefile ++++ b/net/ipv6/Makefile +@@ -40,3 +40,4 @@ obj-$(CONFIG_IPV6_TUNNEL) += ip6_tunnel. + obj-y += addrconf_core.o exthdrs_core.o + + obj-$(subst m,y,$(CONFIG_IPV6)) += inet6_hashtables.o ++obj-$(subst m,y,$(CONFIG_IPV6)) += inet6_stubs.o +--- a/net/ipv6/addrconf.c ++++ b/net/ipv6/addrconf.c +@@ -1103,7 +1103,7 @@ out: + return ret; + } + +-int ipv6_dev_get_saddr(struct net *net, struct net_device *dst_dev, ++static int __ipv6_dev_get_saddr(struct net *net, struct net_device *dst_dev, + const struct in6_addr *daddr, unsigned int prefs, + struct in6_addr *saddr) + { +@@ -1228,7 +1228,6 @@ try_nextdev: + in6_ifa_put(hiscore->ifa); + return 0; + } +-EXPORT_SYMBOL(ipv6_dev_get_saddr); + + int ipv6_get_lladdr(struct net_device *dev, struct in6_addr *addr, + unsigned char banned_flags) +@@ -4840,6 +4839,9 @@ int __init addrconf_init(void) + + ipv6_addr_label_rtnl_register(); + ++ BUG_ON(ipv6_dev_get_saddr_hook != NULL); ++ rcu_assign_pointer(ipv6_dev_get_saddr_hook, __ipv6_dev_get_saddr); ++ + return 0; + errout: + rtnl_af_unregister(&inet6_ops); +@@ -4858,6 +4860,9 @@ void addrconf_cleanup(void) + struct net_device *dev; + int i; + ++ rcu_assign_pointer(ipv6_dev_get_saddr_hook, NULL); ++ synchronize_rcu(); ++ + unregister_netdevice_notifier(&ipv6_dev_notf); + unregister_pernet_subsys(&addrconf_ops); + ipv6_addr_label_cleanup(); +--- /dev/null ++++ b/net/ipv6/inet6_stubs.c +@@ -0,0 +1,33 @@ ++/* ++ * This program is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU General Public License ++ * as published by the Free Software Foundation; either version ++ * 2 of the License, or (at your option) any later version. ++ */ ++#include <linux/export.h> ++#include <net/ipv6.h> ++ ++int (*ipv6_dev_get_saddr_hook)(struct net *net, struct net_device *dev, ++ const struct in6_addr *daddr, unsigned int srcprefs, ++ struct in6_addr *saddr); ++ ++EXPORT_SYMBOL(ipv6_dev_get_saddr_hook); ++ ++int ipv6_dev_get_saddr(struct net *net, struct net_device *dst_dev, ++ const struct in6_addr *daddr, unsigned int prefs, ++ struct in6_addr *saddr) ++{ ++ int ret = -EADDRNOTAVAIL; ++ typeof(ipv6_dev_get_saddr_hook) dev_get_saddr; ++ ++ rcu_read_lock(); ++ dev_get_saddr = rcu_dereference(ipv6_dev_get_saddr_hook); ++ ++ if (dev_get_saddr) ++ ret = dev_get_saddr(net, dst_dev, daddr, prefs, saddr); ++ ++ rcu_read_unlock(); ++ return ret; ++} ++EXPORT_SYMBOL(ipv6_dev_get_saddr); ++ diff --git a/target/linux/generic/patches-3.6/644-bridge_optimize_netfilter_hooks.patch b/target/linux/generic/patches-3.6/644-bridge_optimize_netfilter_hooks.patch new file mode 100644 index 0000000000..dafe420817 --- /dev/null +++ b/target/linux/generic/patches-3.6/644-bridge_optimize_netfilter_hooks.patch @@ -0,0 +1,146 @@ +--- a/net/bridge/br_forward.c ++++ b/net/bridge/br_forward.c +@@ -55,7 +55,7 @@ int br_dev_queue_push_xmit(struct sk_buf + + int br_forward_finish(struct sk_buff *skb) + { +- return NF_HOOK(NFPROTO_BRIDGE, NF_BR_POST_ROUTING, skb, NULL, skb->dev, ++ return BR_HOOK(NFPROTO_BRIDGE, NF_BR_POST_ROUTING, skb, NULL, skb->dev, + br_dev_queue_push_xmit); + + } +@@ -74,7 +74,7 @@ static void __br_deliver(const struct ne + return; + } + +- NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_OUT, skb, NULL, skb->dev, ++ BR_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_OUT, skb, NULL, skb->dev, + br_forward_finish); + } + +@@ -91,7 +91,7 @@ static void __br_forward(const struct ne + skb->dev = to->dev; + skb_forward_csum(skb); + +- NF_HOOK(NFPROTO_BRIDGE, NF_BR_FORWARD, skb, indev, skb->dev, ++ BR_HOOK(NFPROTO_BRIDGE, NF_BR_FORWARD, skb, indev, skb->dev, + br_forward_finish); + } + +--- a/net/bridge/br_input.c ++++ b/net/bridge/br_input.c +@@ -40,7 +40,7 @@ static int br_pass_frame_up(struct sk_bu + indev = skb->dev; + skb->dev = brdev; + +- return NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_IN, skb, indev, NULL, ++ return BR_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_IN, skb, indev, NULL, + netif_receive_skb); + } + +@@ -199,7 +199,7 @@ rx_handler_result_t br_handle_frame(stru + } + + /* Deliver packet to local host only */ +- if (NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_IN, skb, skb->dev, ++ if (BR_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_IN, skb, skb->dev, + NULL, br_handle_local_finish)) { + return RX_HANDLER_CONSUMED; /* consumed by filter */ + } else { +@@ -224,7 +224,7 @@ forward: + if (!compare_ether_addr(p->br->dev->dev_addr, dest)) + skb->pkt_type = PACKET_HOST; + +- NF_HOOK(NFPROTO_BRIDGE, NF_BR_PRE_ROUTING, skb, skb->dev, NULL, ++ BR_HOOK(NFPROTO_BRIDGE, NF_BR_PRE_ROUTING, skb, skb->dev, NULL, + br_handle_frame_finish); + break; + default: +--- a/net/bridge/br_multicast.c ++++ b/net/bridge/br_multicast.c +@@ -753,7 +753,7 @@ static void __br_multicast_send_query(st + if (port) { + __skb_push(skb, sizeof(struct ethhdr)); + skb->dev = port->dev; +- NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_OUT, skb, NULL, skb->dev, ++ BR_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_OUT, skb, NULL, skb->dev, + dev_queue_xmit); + } else + netif_rx(skb); +--- a/net/bridge/br_netfilter.c ++++ b/net/bridge/br_netfilter.c +@@ -71,6 +71,15 @@ static int brnf_filter_pppoe_tagged __re + #define IS_ARP(skb) \ + (!vlan_tx_tag_present(skb) && skb->protocol == htons(ETH_P_ARP)) + ++int brnf_call_ebtables __read_mostly = 0; ++EXPORT_SYMBOL_GPL(brnf_call_ebtables); ++ ++bool br_netfilter_run_hooks(void) ++{ ++ return brnf_call_iptables | brnf_call_ip6tables | brnf_call_arptables | ++ brnf_call_ebtables; ++} ++ + static inline __be16 vlan_proto(const struct sk_buff *skb) + { + if (vlan_tx_tag_present(skb)) +--- a/net/bridge/br_private.h ++++ b/net/bridge/br_private.h +@@ -486,15 +486,29 @@ static inline bool br_multicast_is_route + + /* br_netfilter.c */ + #ifdef CONFIG_BRIDGE_NETFILTER ++extern int brnf_call_ebtables; + extern int br_netfilter_init(void); + extern void br_netfilter_fini(void); + extern void br_netfilter_rtable_init(struct net_bridge *); ++extern bool br_netfilter_run_hooks(void); + #else + #define br_netfilter_init() (0) + #define br_netfilter_fini() do { } while(0) + #define br_netfilter_rtable_init(x) ++#define br_netfilter_run_hooks() false + #endif + ++static inline int ++BR_HOOK(uint8_t pf, unsigned int hook, struct sk_buff *skb, ++ struct net_device *in, struct net_device *out, ++ int (*okfn)(struct sk_buff *)) ++{ ++ if (!br_netfilter_run_hooks()) ++ return okfn(skb); ++ ++ return NF_HOOK(pf, hook, skb, in, out, okfn); ++} ++ + /* br_stp.c */ + extern void br_log_state(const struct net_bridge_port *p); + extern struct net_bridge_port *br_get_port(struct net_bridge *br, +--- a/net/bridge/br_stp_bpdu.c ++++ b/net/bridge/br_stp_bpdu.c +@@ -52,7 +52,7 @@ static void br_send_bpdu(struct net_brid + + skb_reset_mac_header(skb); + +- NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_OUT, skb, NULL, skb->dev, ++ BR_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_OUT, skb, NULL, skb->dev, + dev_queue_xmit); + } + +--- a/net/bridge/netfilter/ebtables.c ++++ b/net/bridge/netfilter/ebtables.c +@@ -2403,11 +2403,13 @@ static int __init ebtables_init(void) + } + + printk(KERN_INFO "Ebtables v2.0 registered\n"); ++ brnf_call_ebtables = 1; + return 0; + } + + static void __exit ebtables_fini(void) + { ++ brnf_call_ebtables = 0; + nf_unregister_sockopt(&ebt_sockopts); + xt_unregister_target(&ebt_standard_target); + printk(KERN_INFO "Ebtables v2.0 unregistered\n"); diff --git a/target/linux/generic/patches-3.6/650-pppoe_header_pad.patch b/target/linux/generic/patches-3.6/650-pppoe_header_pad.patch new file mode 100644 index 0000000000..5862dc113e --- /dev/null +++ b/target/linux/generic/patches-3.6/650-pppoe_header_pad.patch @@ -0,0 +1,20 @@ +--- a/drivers/net/ppp/pppoe.c ++++ b/drivers/net/ppp/pppoe.c +@@ -856,7 +856,7 @@ static int pppoe_sendmsg(struct kiocb *i + goto end; + + +- skb = sock_wmalloc(sk, total_len + dev->hard_header_len + 32, ++ skb = sock_wmalloc(sk, total_len + dev->hard_header_len + 32 + NET_SKB_PAD, + 0, GFP_KERNEL); + if (!skb) { + error = -ENOMEM; +@@ -864,7 +864,7 @@ static int pppoe_sendmsg(struct kiocb *i + } + + /* Reserve space for headers. */ +- skb_reserve(skb, dev->hard_header_len); ++ skb_reserve(skb, dev->hard_header_len + NET_SKB_PAD); + skb_reset_network_header(skb); + + skb->dev = dev; diff --git a/target/linux/generic/patches-3.6/651-wireless_mesh_header.patch b/target/linux/generic/patches-3.6/651-wireless_mesh_header.patch new file mode 100644 index 0000000000..5c83d19485 --- /dev/null +++ b/target/linux/generic/patches-3.6/651-wireless_mesh_header.patch @@ -0,0 +1,11 @@ +--- a/include/linux/netdevice.h ++++ b/include/linux/netdevice.h +@@ -145,7 +145,7 @@ static inline bool dev_xmit_complete(int + */ + + #if defined(CONFIG_WLAN) || IS_ENABLED(CONFIG_AX25) +-# if defined(CONFIG_MAC80211_MESH) ++# if 1 || defined(CONFIG_MAC80211_MESH) + # define LL_MAX_HEADER 128 + # else + # define LL_MAX_HEADER 96 diff --git a/target/linux/generic/patches-3.6/652-atm_header_changes.patch b/target/linux/generic/patches-3.6/652-atm_header_changes.patch new file mode 100644 index 0000000000..238d6f81c4 --- /dev/null +++ b/target/linux/generic/patches-3.6/652-atm_header_changes.patch @@ -0,0 +1,12 @@ +--- a/include/linux/atm.h ++++ b/include/linux/atm.h +@@ -139,6 +139,9 @@ struct atm_trafprm { + int min_pcr; /* minimum PCR in cells per second */ + int max_cdv; /* maximum CDV in microseconds */ + int max_sdu; /* maximum SDU in bytes */ ++ int scr; /* sustained rate in cells per second */ ++ int mbs; /* maximum burst size (MBS) in cells */ ++ int cdv; /* Cell delay varition */ + /* extra params for ABR */ + unsigned int icr; /* Initial Cell Rate (24-bit) */ + unsigned int tbe; /* Transient Buffer Exposure (24-bit) */ diff --git a/target/linux/generic/patches-3.6/653-disable_netlink_trim.patch b/target/linux/generic/patches-3.6/653-disable_netlink_trim.patch new file mode 100644 index 0000000000..74f01cebb8 --- /dev/null +++ b/target/linux/generic/patches-3.6/653-disable_netlink_trim.patch @@ -0,0 +1,28 @@ +--- a/net/netlink/af_netlink.c ++++ b/net/netlink/af_netlink.c +@@ -854,25 +854,7 @@ void netlink_detachskb(struct sock *sk, + + static struct sk_buff *netlink_trim(struct sk_buff *skb, gfp_t allocation) + { +- int delta; +- + skb_orphan(skb); +- +- delta = skb->end - skb->tail; +- if (delta * 2 < skb->truesize) +- return skb; +- +- if (skb_shared(skb)) { +- struct sk_buff *nskb = skb_clone(skb, allocation); +- if (!nskb) +- return skb; +- consume_skb(skb); +- skb = nskb; +- } +- +- if (!pskb_expand_head(skb, 0, -delta, allocation)) +- skb->truesize -= delta; +- + return skb; + } + diff --git a/target/linux/generic/patches-3.6/655-increase_skb_pad.patch b/target/linux/generic/patches-3.6/655-increase_skb_pad.patch new file mode 100644 index 0000000000..5d14daadfa --- /dev/null +++ b/target/linux/generic/patches-3.6/655-increase_skb_pad.patch @@ -0,0 +1,11 @@ +--- a/include/linux/skbuff.h ++++ b/include/linux/skbuff.h +@@ -1558,7 +1558,7 @@ static inline int pskb_network_may_pull( + * NET_IP_ALIGN(2) + ethernet_header(14) + IP_header(20/40) + ports(8) + */ + #ifndef NET_SKB_PAD +-#define NET_SKB_PAD max(32, L1_CACHE_BYTES) ++#define NET_SKB_PAD max(48, L1_CACHE_BYTES) + #endif + + extern int ___pskb_trim(struct sk_buff *skb, unsigned int len); diff --git a/target/linux/generic/patches-3.6/700-swconfig.patch b/target/linux/generic/patches-3.6/700-swconfig.patch new file mode 100644 index 0000000000..48cb64372e --- /dev/null +++ b/target/linux/generic/patches-3.6/700-swconfig.patch @@ -0,0 +1,29 @@ +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -13,6 +13,16 @@ menuconfig PHYLIB + + if PHYLIB + ++config SWCONFIG ++ tristate "Switch configuration API" ++ ---help--- ++ Switch configuration API using netlink. This allows ++ you to configure the VLAN features of certain switches. ++ ++config SWCONFIG_LEDS ++ bool "Switch LED trigger support" ++ depends on (SWCONFIG && LEDS_TRIGGERS) ++ + comment "MII PHY device drivers" + + config MARVELL_PHY +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -3,6 +3,7 @@ + libphy-objs := phy.o phy_device.o mdio_bus.o + + obj-$(CONFIG_PHYLIB) += libphy.o ++obj-$(CONFIG_SWCONFIG) += swconfig.o + obj-$(CONFIG_MARVELL_PHY) += marvell.o + obj-$(CONFIG_DAVICOM_PHY) += davicom.o + obj-$(CONFIG_CICADA_PHY) += cicada.o diff --git a/target/linux/generic/patches-3.6/701-phy_extension.patch b/target/linux/generic/patches-3.6/701-phy_extension.patch new file mode 100644 index 0000000000..201c857d2f --- /dev/null +++ b/target/linux/generic/patches-3.6/701-phy_extension.patch @@ -0,0 +1,72 @@ +--- a/drivers/net/phy/phy.c ++++ b/drivers/net/phy/phy.c +@@ -299,6 +299,50 @@ int phy_ethtool_gset(struct phy_device * + } + EXPORT_SYMBOL(phy_ethtool_gset); + ++int phy_ethtool_ioctl(struct phy_device *phydev, void *useraddr) ++{ ++ u32 cmd; ++ int tmp; ++ struct ethtool_cmd ecmd = { ETHTOOL_GSET }; ++ struct ethtool_value edata = { ETHTOOL_GLINK }; ++ ++ if (get_user(cmd, (u32 *) useraddr)) ++ return -EFAULT; ++ ++ switch (cmd) { ++ case ETHTOOL_GSET: ++ phy_ethtool_gset(phydev, &ecmd); ++ if (copy_to_user(useraddr, &ecmd, sizeof(ecmd))) ++ return -EFAULT; ++ return 0; ++ ++ case ETHTOOL_SSET: ++ if (copy_from_user(&ecmd, useraddr, sizeof(ecmd))) ++ return -EFAULT; ++ return phy_ethtool_sset(phydev, &ecmd); ++ ++ case ETHTOOL_NWAY_RST: ++ /* if autoneg is off, it's an error */ ++ tmp = phy_read(phydev, MII_BMCR); ++ if (tmp & BMCR_ANENABLE) { ++ tmp |= (BMCR_ANRESTART); ++ phy_write(phydev, MII_BMCR, tmp); ++ return 0; ++ } ++ return -EINVAL; ++ ++ case ETHTOOL_GLINK: ++ edata.data = (phy_read(phydev, ++ MII_BMSR) & BMSR_LSTATUS) ? 1 : 0; ++ if (copy_to_user(useraddr, &edata, sizeof(edata))) ++ return -EFAULT; ++ return 0; ++ } ++ ++ return -EOPNOTSUPP; ++} ++EXPORT_SYMBOL(phy_ethtool_ioctl); ++ + /** + * phy_mii_ioctl - generic PHY MII ioctl interface + * @phydev: the phy_device struct +@@ -474,7 +518,7 @@ static void phy_force_reduction(struct p + int idx; + + idx = phy_find_setting(phydev->speed, phydev->duplex); +- ++ + idx++; + + idx = phy_find_valid(idx, phydev->supported); +--- a/include/linux/phy.h ++++ b/include/linux/phy.h +@@ -515,6 +515,7 @@ void phy_start_machine(struct phy_device + void phy_stop_machine(struct phy_device *phydev); + int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd); + int phy_ethtool_gset(struct phy_device *phydev, struct ethtool_cmd *cmd); ++int phy_ethtool_ioctl(struct phy_device *phydev, void *useraddr); + int phy_mii_ioctl(struct phy_device *phydev, + struct ifreq *ifr, int cmd); + int phy_start_interrupts(struct phy_device *phydev); diff --git a/target/linux/generic/patches-3.6/702-phy_add_aneg_done_function.patch b/target/linux/generic/patches-3.6/702-phy_add_aneg_done_function.patch new file mode 100644 index 0000000000..0649afb10a --- /dev/null +++ b/target/linux/generic/patches-3.6/702-phy_add_aneg_done_function.patch @@ -0,0 +1,45 @@ +--- a/include/linux/phy.h ++++ b/include/linux/phy.h +@@ -393,9 +393,18 @@ struct phy_driver { + */ + int (*config_aneg)(struct phy_device *phydev); + ++ /* Determine if autonegotiation is done */ ++ int (*aneg_done)(struct phy_device *phydev); ++ + /* Determines the negotiated speed and duplex */ + int (*read_status)(struct phy_device *phydev); + ++ /* ++ * Update the value in phydev->link to reflect the ++ * current link value ++ */ ++ int (*update_link)(struct phy_device *phydev); ++ + /* Clears any pending interrupts */ + int (*ack_interrupt)(struct phy_device *phydev); + +--- a/drivers/net/phy/phy_device.c ++++ b/drivers/net/phy/phy_device.c +@@ -705,6 +705,9 @@ int genphy_update_link(struct phy_device + { + int status; + ++ if (phydev->drv->update_link) ++ return phydev->drv->update_link(phydev); ++ + /* Do a fake read */ + status = phy_read(phydev, MII_BMSR); + +--- a/drivers/net/phy/phy.c ++++ b/drivers/net/phy/phy.c +@@ -106,6 +106,9 @@ static inline int phy_aneg_done(struct p + { + int retval; + ++ if (phydev->drv->aneg_done) ++ return phydev->drv->aneg_done(phydev); ++ + retval = phy_read(phydev, MII_BMSR); + + return (retval < 0) ? retval : (retval & BMSR_ANEGCOMPLETE); diff --git a/target/linux/generic/patches-3.6/710-phy-add-mdio_register_board_info.patch b/target/linux/generic/patches-3.6/710-phy-add-mdio_register_board_info.patch new file mode 100644 index 0000000000..2c20d70998 --- /dev/null +++ b/target/linux/generic/patches-3.6/710-phy-add-mdio_register_board_info.patch @@ -0,0 +1,191 @@ +--- a/drivers/net/phy/mdio_bus.c ++++ b/drivers/net/phy/mdio_bus.c +@@ -40,6 +40,8 @@ + #include <asm/irq.h> + #include <asm/uaccess.h> + ++#include "mdio-boardinfo.h" ++ + /** + * mdiobus_alloc_size - allocate a mii_bus structure + * @size: extra amount of memory to allocate for private storage. +@@ -228,15 +230,33 @@ + } + EXPORT_SYMBOL(mdiobus_free); + ++static void mdiobus_setup_phydev_from_boardinfo(struct mii_bus *bus, ++ struct phy_device *phydev, ++ struct mdio_board_info *bi) ++{ ++ if (strcmp(bus->id, bi->bus_id) || ++ bi->phy_addr != phydev->addr) ++ return; ++ ++ phydev->dev.platform_data = (void *) bi->platform_data; ++} ++ + struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr) + { + struct phy_device *phydev; ++ struct mdio_board_entry *be; + int err; + + phydev = get_phy_device(bus, addr, false); + if (IS_ERR(phydev) || phydev == NULL) + return phydev; + ++ mutex_lock(&__mdio_board_lock); ++ list_for_each_entry(be, &__mdio_board_list, list) ++ mdiobus_setup_phydev_from_boardinfo(bus, phydev, ++ &be->board_info); ++ mutex_unlock(&__mdio_board_lock); ++ + err = phy_device_register(phydev); + if (err) { + phy_device_free(phydev); +--- a/include/linux/phy.h ++++ b/include/linux/phy.h +@@ -543,4 +543,22 @@ int __init mdio_bus_init(void); + void mdio_bus_exit(void); + + extern struct bus_type mdio_bus_type; ++ ++struct mdio_board_info { ++ const char *bus_id; ++ int phy_addr; ++ ++ const void *platform_data; ++}; ++ ++#ifdef CONFIG_MDIO_BOARDINFO ++int mdiobus_register_board_info(const struct mdio_board_info *info, unsigned n); ++#else ++static inline int ++mdiobus_register_board_info(const struct mdio_board_info *info, unsigned n) ++{ ++ return 0; ++} ++#endif ++ + #endif /* __PHY_H */ +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -13,6 +13,10 @@ menuconfig PHYLIB + + if PHYLIB + ++config MDIO_BOARDINFO ++ bool ++ default y ++ + config SWCONFIG + tristate "Switch configuration API" + ---help--- +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -2,6 +2,8 @@ + + libphy-objs := phy.o phy_device.o mdio_bus.o + ++obj-$(CONFIG_MDIO_BOARDINFO) += mdio-boardinfo.o ++ + obj-$(CONFIG_PHYLIB) += libphy.o + obj-$(CONFIG_SWCONFIG) += swconfig.o + obj-$(CONFIG_MARVELL_PHY) += marvell.o +--- /dev/null ++++ b/drivers/net/phy/mdio-boardinfo.c +@@ -0,0 +1,58 @@ ++/* ++ * mdio-boardinfo.c - collect pre-declarations of PHY devices ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ * ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/phy.h> ++#include <linux/slab.h> ++#include <linux/export.h> ++#include <linux/mutex.h> ++#include <linux/phy.h> ++ ++#include "mdio-boardinfo.h" ++ ++/* ++ * These symbols are exported ONLY FOR the mdio_bus component. ++ * No other users will be supported. ++ */ ++ ++LIST_HEAD(__mdio_board_list); ++EXPORT_SYMBOL_GPL(__mdio_board_list); ++ ++DEFINE_MUTEX(__mdio_board_lock); ++EXPORT_SYMBOL_GPL(__mdio_board_lock); ++ ++/** ++ * mdio_register_board_info - register PHY devices for a given board ++ * @info: array of chip descriptors ++ * @n: how many descriptors are provided ++ * Context: can sleep ++ * ++ * The board info passed can safely be __initdata ... but be careful of ++ * any embedded pointers (platform_data, etc), they're copied as-is. ++ */ ++int __init ++mdiobus_register_board_info(struct mdio_board_info const *info, unsigned n) ++{ ++ struct mdio_board_entry *be; ++ int i; ++ ++ be = kzalloc(n * sizeof(*be), GFP_KERNEL); ++ if (!be) ++ return -ENOMEM; ++ ++ for (i = 0; i < n; i++, be++, info++) { ++ memcpy(&be->board_info, info, sizeof(*info)); ++ mutex_lock(&__mdio_board_lock); ++ list_add_tail(&be->list, &__mdio_board_list); ++ mutex_unlock(&__mdio_board_lock); ++ } ++ ++ return 0; ++} +--- /dev/null ++++ b/drivers/net/phy/mdio-boardinfo.h +@@ -0,0 +1,22 @@ ++/* ++ * mdio-boardinfo.h - boardinfo interface internal to the mdio_bus component ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ * ++ */ ++ ++#include <linux/mutex.h> ++ ++struct mdio_board_entry { ++ struct list_head list; ++ struct mdio_board_info board_info; ++}; ++ ++/* __mdio_board_lock protects __mdio_board_list ++ * only mdio_bus components are allowed to use these symbols. ++ */ ++extern struct mutex __mdio_board_lock; ++extern struct list_head __mdio_board_list; +--- a/drivers/net/Makefile ++++ b/drivers/net/Makefile +@@ -15,7 +15,7 @@ obj-$(CONFIG_MII) += mii.o + obj-$(CONFIG_MDIO) += mdio.o + obj-$(CONFIG_NET) += Space.o loopback.o + obj-$(CONFIG_NETCONSOLE) += netconsole.o +-obj-$(CONFIG_PHYLIB) += phy/ ++obj-y += phy/ + obj-$(CONFIG_RIONET) += rionet.o + obj-$(CONFIG_NET_TEAM) += team/ + obj-$(CONFIG_TUN) += tun.o diff --git a/target/linux/generic/patches-3.6/720-phy_adm6996.patch b/target/linux/generic/patches-3.6/720-phy_adm6996.patch new file mode 100644 index 0000000000..c99824a6b0 --- /dev/null +++ b/target/linux/generic/patches-3.6/720-phy_adm6996.patch @@ -0,0 +1,26 @@ +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -106,6 +106,13 @@ config MICREL_PHY + ---help--- + Supports the KSZ9021, VSC8201, KS8001 PHYs. + ++config ADM6996_PHY ++ tristate "Driver for ADM6996 switches" ++ select SWCONFIG ++ ---help--- ++ Currently supports the ADM6996FC and ADM6996M switches. ++ Support for FC is very limited. ++ + config FIXED_PHY + bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs" + depends on PHYLIB=y +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -16,6 +16,7 @@ obj-$(CONFIG_VITESSE_PHY) += vitesse.o + obj-$(CONFIG_BROADCOM_PHY) += broadcom.o + obj-$(CONFIG_BCM63XX_PHY) += bcm63xx.o + obj-$(CONFIG_ICPLUS_PHY) += icplus.o ++obj-$(CONFIG_ADM6996_PHY) += adm6996.o + obj-$(CONFIG_REALTEK_PHY) += realtek.o + obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o + obj-$(CONFIG_FIXED_PHY) += fixed.o diff --git a/target/linux/generic/patches-3.6/721-phy_packets.patch b/target/linux/generic/patches-3.6/721-phy_packets.patch new file mode 100644 index 0000000000..37f6417099 --- /dev/null +++ b/target/linux/generic/patches-3.6/721-phy_packets.patch @@ -0,0 +1,175 @@ +--- a/include/linux/netdevice.h ++++ b/include/linux/netdevice.h +@@ -1078,6 +1078,11 @@ struct net_device { + const struct net_device_ops *netdev_ops; + const struct ethtool_ops *ethtool_ops; + ++#ifdef CONFIG_ETHERNET_PACKET_MANGLE ++ void (*eth_mangle_rx)(struct net_device *dev, struct sk_buff *skb); ++ struct sk_buff *(*eth_mangle_tx)(struct net_device *dev, struct sk_buff *skb); ++#endif ++ + /* Hardware header description */ + const struct header_ops *header_ops; + +@@ -1134,6 +1139,9 @@ struct net_device { + void *ax25_ptr; /* AX.25 specific data */ + struct wireless_dev *ieee80211_ptr; /* IEEE 802.11 specific data, + assign before registering */ ++#ifdef CONFIG_ETHERNET_PACKET_MANGLE ++ void *phy_ptr; /* PHY device specific data */ ++#endif + + /* + * Cache lines mostly used on receive path (including eth_type_trans()) +--- a/include/linux/if.h ++++ b/include/linux/if.h +@@ -83,6 +83,7 @@ + #define IFF_SUPP_NOFCS 0x80000 /* device supports sending custom FCS */ + #define IFF_LIVE_ADDR_CHANGE 0x100000 /* device supports hardware address + * change when it's running */ ++#define IFF_NO_IP_ALIGN 0x120000 /* do not ip-align allocated rx pkts */ + + + #define IF_GET_IFACE 0x0001 /* for querying only */ +--- a/include/linux/skbuff.h ++++ b/include/linux/skbuff.h +@@ -1661,6 +1661,10 @@ extern struct sk_buff *dev_alloc_skb(uns + extern struct sk_buff *__netdev_alloc_skb(struct net_device *dev, + unsigned int length, gfp_t gfp_mask); + ++extern struct sk_buff *__netdev_alloc_skb_ip_align(struct net_device *dev, ++ unsigned int length, gfp_t gfp); ++ ++ + /** + * netdev_alloc_skb - allocate an skbuff for rx on a specific device + * @dev: network device to receive on +@@ -1680,16 +1684,6 @@ static inline struct sk_buff *netdev_all + return __netdev_alloc_skb(dev, length, GFP_ATOMIC); + } + +-static inline struct sk_buff *__netdev_alloc_skb_ip_align(struct net_device *dev, +- unsigned int length, gfp_t gfp) +-{ +- struct sk_buff *skb = __netdev_alloc_skb(dev, length + NET_IP_ALIGN, gfp); +- +- if (NET_IP_ALIGN && skb) +- skb_reserve(skb, NET_IP_ALIGN); +- return skb; +-} +- + static inline struct sk_buff *netdev_alloc_skb_ip_align(struct net_device *dev, + unsigned int length) + { +--- a/net/Kconfig ++++ b/net/Kconfig +@@ -23,6 +23,12 @@ menuconfig NET + + if NET + ++config ETHERNET_PACKET_MANGLE ++ bool ++ help ++ This option can be selected by phy drivers that need to mangle ++ packets going in or out of an ethernet device. ++ + config WANT_COMPAT_NETLINK_MESSAGES + bool + help +--- a/net/core/dev.c ++++ b/net/core/dev.c +@@ -2267,9 +2267,19 @@ int dev_hard_start_xmit(struct sk_buff * + } + } + +- skb_len = skb->len; +- rc = ops->ndo_start_xmit(skb, dev); +- trace_net_dev_xmit(skb, rc, dev, skb_len); ++#ifdef CONFIG_ETHERNET_PACKET_MANGLE ++ if (!dev->eth_mangle_tx || ++ (skb = dev->eth_mangle_tx(dev, skb)) != NULL) ++#else ++ if (1) ++#endif ++ { ++ skb_len = skb->len; ++ rc = ops->ndo_start_xmit(skb, dev); ++ trace_net_dev_xmit(skb, rc, dev, skb_len); ++ } else { ++ rc = NETDEV_TX_OK; ++ } + if (rc == NETDEV_TX_OK) + txq_trans_update(txq); + return rc; +@@ -2289,9 +2299,19 @@ gso: + if (dev->priv_flags & IFF_XMIT_DST_RELEASE) + skb_dst_drop(nskb); + +- skb_len = nskb->len; +- rc = ops->ndo_start_xmit(nskb, dev); +- trace_net_dev_xmit(nskb, rc, dev, skb_len); ++#ifdef CONFIG_ETHERNET_PACKET_MANGLE ++ if (!dev->eth_mangle_tx || ++ (nskb = dev->eth_mangle_tx(dev, nskb)) != NULL) ++#else ++ if (1) ++#endif ++ { ++ skb_len = nskb->len; ++ rc = ops->ndo_start_xmit(nskb, dev); ++ trace_net_dev_xmit(nskb, rc, dev, skb_len); ++ } else { ++ rc = NETDEV_TX_OK; ++ } + if (unlikely(rc != NETDEV_TX_OK)) { + if (rc & ~NETDEV_TX_MASK) + goto out_kfree_gso_skb; +--- a/net/core/skbuff.c ++++ b/net/core/skbuff.c +@@ -58,6 +58,7 @@ + #include <linux/scatterlist.h> + #include <linux/errqueue.h> + #include <linux/prefetch.h> ++#include <linux/if.h> + + #include <net/protocol.h> + #include <net/dst.h> +@@ -320,6 +321,22 @@ struct sk_buff *__netdev_alloc_skb(struc + } + EXPORT_SYMBOL(__netdev_alloc_skb); + ++struct sk_buff *__netdev_alloc_skb_ip_align(struct net_device *dev, ++ unsigned int length, gfp_t gfp) ++{ ++ struct sk_buff *skb = __netdev_alloc_skb(dev, length + NET_IP_ALIGN, gfp); ++ ++#ifdef CONFIG_ETHERNET_PACKET_MANGLE ++ if (dev->priv_flags & IFF_NO_IP_ALIGN) ++ return skb; ++#endif ++ ++ if (NET_IP_ALIGN && skb) ++ skb_reserve(skb, NET_IP_ALIGN); ++ return skb; ++} ++EXPORT_SYMBOL(__netdev_alloc_skb_ip_align); ++ + void skb_add_rx_frag(struct sk_buff *skb, int i, struct page *page, int off, + int size) + { +--- a/net/ethernet/eth.c ++++ b/net/ethernet/eth.c +@@ -160,6 +160,12 @@ __be16 eth_type_trans(struct sk_buff *sk + struct ethhdr *eth; + + skb->dev = dev; ++ ++#ifdef CONFIG_ETHERNET_PACKET_MANGLE ++ if (dev->eth_mangle_rx) ++ dev->eth_mangle_rx(dev, skb); ++#endif ++ + skb_reset_mac_header(skb); + skb_pull_inline(skb, ETH_HLEN); + eth = eth_hdr(skb); diff --git a/target/linux/generic/patches-3.6/722-phy_mvswitch.patch b/target/linux/generic/patches-3.6/722-phy_mvswitch.patch new file mode 100644 index 0000000000..8a456117fa --- /dev/null +++ b/target/linux/generic/patches-3.6/722-phy_mvswitch.patch @@ -0,0 +1,23 @@ +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -113,6 +113,10 @@ config ADM6996_PHY + Currently supports the ADM6996FC and ADM6996M switches. + Support for FC is very limited. + ++config MVSWITCH_PHY ++ tristate "Driver for Marvell 88E6060 switches" ++ select ETHERNET_PACKET_MANGLE ++ + config FIXED_PHY + bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs" + depends on PHYLIB=y +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -17,6 +17,7 @@ obj-$(CONFIG_BROADCOM_PHY) += broadcom.o + obj-$(CONFIG_BCM63XX_PHY) += bcm63xx.o + obj-$(CONFIG_ICPLUS_PHY) += icplus.o + obj-$(CONFIG_ADM6996_PHY) += adm6996.o ++obj-$(CONFIG_MVSWITCH_PHY) += mvswitch.o + obj-$(CONFIG_REALTEK_PHY) += realtek.o + obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o + obj-$(CONFIG_FIXED_PHY) += fixed.o diff --git a/target/linux/generic/patches-3.6/723-phy_ip175c.patch b/target/linux/generic/patches-3.6/723-phy_ip175c.patch new file mode 100644 index 0000000000..8eff10cf45 --- /dev/null +++ b/target/linux/generic/patches-3.6/723-phy_ip175c.patch @@ -0,0 +1,23 @@ +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -117,6 +117,10 @@ config MVSWITCH_PHY + tristate "Driver for Marvell 88E6060 switches" + select ETHERNET_PACKET_MANGLE + ++config IP17XX_PHY ++ tristate "Driver for IC+ IP17xx switches" ++ select SWCONFIG ++ + config FIXED_PHY + bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs" + depends on PHYLIB=y +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -18,6 +18,7 @@ obj-$(CONFIG_BCM63XX_PHY) += bcm63xx.o + obj-$(CONFIG_ICPLUS_PHY) += icplus.o + obj-$(CONFIG_ADM6996_PHY) += adm6996.o + obj-$(CONFIG_MVSWITCH_PHY) += mvswitch.o ++obj-$(CONFIG_IP17XX_PHY) += ip17xx.o + obj-$(CONFIG_REALTEK_PHY) += realtek.o + obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o + obj-$(CONFIG_FIXED_PHY) += fixed.o diff --git a/target/linux/generic/patches-3.6/724-phy_ar8216.patch b/target/linux/generic/patches-3.6/724-phy_ar8216.patch new file mode 100644 index 0000000000..eed6e2b92a --- /dev/null +++ b/target/linux/generic/patches-3.6/724-phy_ar8216.patch @@ -0,0 +1,24 @@ +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -121,6 +121,11 @@ config IP17XX_PHY + tristate "Driver for IC+ IP17xx switches" + select SWCONFIG + ++config AR8216_PHY ++ tristate "Driver for Atheros AR8216 switches" ++ select ETHERNET_PACKET_MANGLE ++ select SWCONFIG ++ + config FIXED_PHY + bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs" + depends on PHYLIB=y +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -20,6 +20,7 @@ obj-$(CONFIG_ADM6996_PHY) += adm6996.o + obj-$(CONFIG_MVSWITCH_PHY) += mvswitch.o + obj-$(CONFIG_IP17XX_PHY) += ip17xx.o + obj-$(CONFIG_REALTEK_PHY) += realtek.o ++obj-$(CONFIG_AR8216_PHY) += ar8216.o + obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o + obj-$(CONFIG_FIXED_PHY) += fixed.o + obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o diff --git a/target/linux/generic/patches-3.6/725-phy_rtl8306.patch b/target/linux/generic/patches-3.6/725-phy_rtl8306.patch new file mode 100644 index 0000000000..db0ee6582e --- /dev/null +++ b/target/linux/generic/patches-3.6/725-phy_rtl8306.patch @@ -0,0 +1,23 @@ +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -126,6 +126,10 @@ config AR8216_PHY + select ETHERNET_PACKET_MANGLE + select SWCONFIG + ++config RTL8306_PHY ++ tristate "Driver for Realtek RTL8306S switches" ++ select SWCONFIG ++ + config FIXED_PHY + bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs" + depends on PHYLIB=y +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -21,6 +21,7 @@ obj-$(CONFIG_MVSWITCH_PHY) += mvswitch.o + obj-$(CONFIG_IP17XX_PHY) += ip17xx.o + obj-$(CONFIG_REALTEK_PHY) += realtek.o + obj-$(CONFIG_AR8216_PHY) += ar8216.o ++obj-$(CONFIG_RTL8306_PHY) += rtl8306.o + obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o + obj-$(CONFIG_FIXED_PHY) += fixed.o + obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o diff --git a/target/linux/generic/patches-3.6/726-phy_rtl8366.patch b/target/linux/generic/patches-3.6/726-phy_rtl8366.patch new file mode 100644 index 0000000000..d258e4b564 --- /dev/null +++ b/target/linux/generic/patches-3.6/726-phy_rtl8366.patch @@ -0,0 +1,45 @@ +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -168,6 +168,30 @@ config MDIO_OCTEON + + If in doubt, say Y. + ++config RTL8366_SMI ++ tristate "Driver for the RTL8366 SMI interface" ++ depends on GENERIC_GPIO ++ ---help--- ++ This module implements the SMI interface protocol which is used ++ by some RTL8366 ethernet switch devices via the generic GPIO API. ++ ++if RTL8366_SMI ++ ++config RTL8366_SMI_DEBUG_FS ++ bool "RTL8366 SMI interface debugfs support" ++ depends on DEBUG_FS ++ default n ++ ++config RTL8366S_PHY ++ tristate "Driver for the Realtek RTL8366S switch" ++ select SWCONFIG ++ ++config RTL8366RB_PHY ++ tristate "Driver for the Realtek RTL8366RB switch" ++ select SWCONFIG ++ ++endif # RTL8366_SMI ++ + endif # PHYLIB + + config MICREL_KS8995MA +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -22,6 +22,9 @@ obj-$(CONFIG_IP17XX_PHY) += ip17xx.o + obj-$(CONFIG_REALTEK_PHY) += realtek.o + obj-$(CONFIG_AR8216_PHY) += ar8216.o + obj-$(CONFIG_RTL8306_PHY) += rtl8306.o ++obj-$(CONFIG_RTL8366_SMI) += rtl8366_smi.o ++obj-$(CONFIG_RTL8366S_PHY) += rtl8366s.o ++obj-$(CONFIG_RTL8366RB_PHY) += rtl8366rb.o + obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o + obj-$(CONFIG_FIXED_PHY) += fixed.o + obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o diff --git a/target/linux/generic/patches-3.6/727-phy-rtl8367.patch b/target/linux/generic/patches-3.6/727-phy-rtl8367.patch new file mode 100644 index 0000000000..a24f497c9b --- /dev/null +++ b/target/linux/generic/patches-3.6/727-phy-rtl8367.patch @@ -0,0 +1,23 @@ +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -190,6 +190,10 @@ config RTL8366RB_PHY + tristate "Driver for the Realtek RTL8366RB switch" + select SWCONFIG + ++config RTL8367_PHY ++ tristate "Driver for the Realtek RTL8367R/M switches" ++ select SWCONFIG ++ + endif # RTL8366_SMI + + endif # PHYLIB +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -25,6 +25,7 @@ obj-$(CONFIG_RTL8306_PHY) += rtl8306.o + obj-$(CONFIG_RTL8366_SMI) += rtl8366_smi.o + obj-$(CONFIG_RTL8366S_PHY) += rtl8366s.o + obj-$(CONFIG_RTL8366RB_PHY) += rtl8366rb.o ++obj-$(CONFIG_RTL8367_PHY) += rtl8367.o + obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o + obj-$(CONFIG_FIXED_PHY) += fixed.o + obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o diff --git a/target/linux/generic/patches-3.6/728-phy-micrel.patch b/target/linux/generic/patches-3.6/728-phy-micrel.patch new file mode 100644 index 0000000000..c41d0309c5 --- /dev/null +++ b/target/linux/generic/patches-3.6/728-phy-micrel.patch @@ -0,0 +1,24 @@ +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -130,6 +130,11 @@ config RTL8306_PHY + tristate "Driver for Realtek RTL8306S switches" + select SWCONFIG + ++config MICREL_PHY ++ tristate "Drivers for Micrel/Kendin PHYs" ++ ---help--- ++ Currently has a driver for the KSZ8041 ++ + config FIXED_PHY + bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs" + depends on PHYLIB=y +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -27,6 +27,7 @@ obj-$(CONFIG_RTL8366S_PHY) += rtl8366s.o + obj-$(CONFIG_RTL8366RB_PHY) += rtl8366rb.o + obj-$(CONFIG_RTL8367_PHY) += rtl8367.o + obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o ++obj-$(CONFIG_MICREL_PHY) += micrel.o + obj-$(CONFIG_FIXED_PHY) += fixed.o + obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o + obj-$(CONFIG_MDIO_GPIO) += mdio-gpio.o diff --git a/target/linux/generic/patches-3.6/729-phy-rtl8367b.patch b/target/linux/generic/patches-3.6/729-phy-rtl8367b.patch new file mode 100644 index 0000000000..82a7386f96 --- /dev/null +++ b/target/linux/generic/patches-3.6/729-phy-rtl8367b.patch @@ -0,0 +1,23 @@ +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -199,6 +199,10 @@ config RTL8367_PHY + tristate "Driver for the Realtek RTL8367R/M switches" + select SWCONFIG + ++config RTL8367B_PHY ++ tristate "Driver fot the Realtek RTL8367R-VB switch" ++ select SWCONFIG ++ + endif # RTL8366_SMI + + endif # PHYLIB +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -26,6 +26,7 @@ obj-$(CONFIG_RTL8366_SMI) += rtl8366_smi + obj-$(CONFIG_RTL8366S_PHY) += rtl8366s.o + obj-$(CONFIG_RTL8366RB_PHY) += rtl8366rb.o + obj-$(CONFIG_RTL8367_PHY) += rtl8367.o ++obj-$(CONFIG_RTL8367B_PHY) += rtl8367b.o + obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o + obj-$(CONFIG_MICREL_PHY) += micrel.o + obj-$(CONFIG_FIXED_PHY) += fixed.o diff --git a/target/linux/generic/patches-3.6/729-phy-tantos.patch b/target/linux/generic/patches-3.6/729-phy-tantos.patch new file mode 100644 index 0000000000..0466d94b42 --- /dev/null +++ b/target/linux/generic/patches-3.6/729-phy-tantos.patch @@ -0,0 +1,21 @@ +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -206,3 +206,8 @@ endif # PHYLIB + config MICREL_KS8995MA + tristate "Micrel KS8995MA 5-ports 10/100 managed Ethernet switch" + depends on SPI ++ ++config PSB6970_PHY ++ tristate "Lantiq XWAY Tantos (PSB6970) Ethernet switch" ++ select SWCONFIG ++ select ETHERNET_PACKET_MANGLE +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -28,6 +28,7 @@ obj-$(CONFIG_RTL8366RB_PHY) += rtl8366rb + obj-$(CONFIG_RTL8367_PHY) += rtl8367.o + obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o + obj-$(CONFIG_MICREL_PHY) += micrel.o ++obj-$(CONFIG_PSB6970_PHY) += psb6970.o + obj-$(CONFIG_FIXED_PHY) += fixed.o + obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o + obj-$(CONFIG_MDIO_GPIO) += mdio-gpio.o diff --git a/target/linux/generic/patches-3.6/750-hostap_txpower.patch b/target/linux/generic/patches-3.6/750-hostap_txpower.patch new file mode 100644 index 0000000000..8e2ec9afce --- /dev/null +++ b/target/linux/generic/patches-3.6/750-hostap_txpower.patch @@ -0,0 +1,154 @@ +--- a/drivers/net/wireless/hostap/hostap_ap.c ++++ b/drivers/net/wireless/hostap/hostap_ap.c +@@ -2340,13 +2340,13 @@ int prism2_ap_get_sta_qual(local_info_t + addr[count].sa_family = ARPHRD_ETHER; + memcpy(addr[count].sa_data, sta->addr, ETH_ALEN); + if (sta->last_rx_silence == 0) +- qual[count].qual = sta->last_rx_signal < 27 ? +- 0 : (sta->last_rx_signal - 27) * 92 / 127; ++ qual[count].qual = (sta->last_rx_signal - 156) == 0 ? ++ 0 : (sta->last_rx_signal - 156) * 92 / 64; + else +- qual[count].qual = sta->last_rx_signal - +- sta->last_rx_silence - 35; +- qual[count].level = HFA384X_LEVEL_TO_dBm(sta->last_rx_signal); +- qual[count].noise = HFA384X_LEVEL_TO_dBm(sta->last_rx_silence); ++ qual[count].qual = (sta->last_rx_signal - ++ sta->last_rx_silence) * 92 / 64; ++ qual[count].level = sta->last_rx_signal; ++ qual[count].noise = sta->last_rx_silence; + qual[count].updated = sta->last_rx_updated; + + sta->last_rx_updated = IW_QUAL_DBM; +@@ -2412,13 +2412,13 @@ int prism2_ap_translate_scan(struct net_ + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = IWEVQUAL; + if (sta->last_rx_silence == 0) +- iwe.u.qual.qual = sta->last_rx_signal < 27 ? +- 0 : (sta->last_rx_signal - 27) * 92 / 127; ++ iwe.u.qual.qual = (sta->last_rx_signal -156) == 0 ? ++ 0 : (sta->last_rx_signal - 156) * 92 / 64; + else +- iwe.u.qual.qual = sta->last_rx_signal - +- sta->last_rx_silence - 35; +- iwe.u.qual.level = HFA384X_LEVEL_TO_dBm(sta->last_rx_signal); +- iwe.u.qual.noise = HFA384X_LEVEL_TO_dBm(sta->last_rx_silence); ++ iwe.u.qual.qual = (sta->last_rx_signal - ++ sta->last_rx_silence) * 92 / 64; ++ iwe.u.qual.level = sta->last_rx_signal; ++ iwe.u.qual.noise = sta->last_rx_silence; + iwe.u.qual.updated = sta->last_rx_updated; + iwe.len = IW_EV_QUAL_LEN; + current_ev = iwe_stream_add_event(info, current_ev, end_buf, +--- a/drivers/net/wireless/hostap/hostap_config.h ++++ b/drivers/net/wireless/hostap/hostap_config.h +@@ -45,4 +45,9 @@ + */ + /* #define PRISM2_NO_STATION_MODES */ + ++/* Enable TX power Setting functions ++ * (min att = -128 , max att = 127) ++ */ ++#define RAW_TXPOWER_SETTING ++ + #endif /* HOSTAP_CONFIG_H */ +--- a/drivers/net/wireless/hostap/hostap.h ++++ b/drivers/net/wireless/hostap/hostap.h +@@ -90,6 +90,7 @@ extern const struct iw_handler_def hosta + extern const struct ethtool_ops prism2_ethtool_ops; + + int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd); ++int hostap_restore_power(struct net_device *dev); + + + #endif /* HOSTAP_H */ +--- a/drivers/net/wireless/hostap/hostap_hw.c ++++ b/drivers/net/wireless/hostap/hostap_hw.c +@@ -932,6 +932,7 @@ static int hfa384x_set_rid(struct net_de + prism2_hw_reset(dev); + } + ++ hostap_restore_power(dev); + return res; + } + +--- a/drivers/net/wireless/hostap/hostap_info.c ++++ b/drivers/net/wireless/hostap/hostap_info.c +@@ -434,6 +434,11 @@ static void handle_info_queue_linkstatus + } + + /* Get BSSID if we have a valid AP address */ ++ ++ if ( val == HFA384X_LINKSTATUS_CONNECTED || ++ val == HFA384X_LINKSTATUS_DISCONNECTED ) ++ hostap_restore_power(local->dev); ++ + if (connected) { + netif_carrier_on(local->dev); + netif_carrier_on(local->ddev); +--- a/drivers/net/wireless/hostap/hostap_ioctl.c ++++ b/drivers/net/wireless/hostap/hostap_ioctl.c +@@ -1478,23 +1478,20 @@ static int prism2_txpower_hfa386x_to_dBm + val = 255; + + tmp = val; +- tmp >>= 2; + +- return -12 - tmp; ++ return tmp; + } + + static u16 prism2_txpower_dBm_to_hfa386x(int val) + { + signed char tmp; + +- if (val > 20) +- return 128; +- else if (val < -43) ++ if (val > 127) + return 127; ++ else if (val < -128) ++ return 128; + + tmp = val; +- tmp = -12 - tmp; +- tmp <<= 2; + + return (unsigned char) tmp; + } +@@ -4057,3 +4054,35 @@ int hostap_ioctl(struct net_device *dev, + + return ret; + } ++ ++/* BUG FIX: Restore power setting value when lost due to F/W bug */ ++ ++int hostap_restore_power(struct net_device *dev) ++{ ++ struct hostap_interface *iface = netdev_priv(dev); ++ local_info_t *local = iface->local; ++ ++ u16 val; ++ int ret = 0; ++ ++ if (local->txpower_type == PRISM2_TXPOWER_OFF) { ++ val = 0xff; /* use all standby and sleep modes */ ++ ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, ++ HFA386X_CR_A_D_TEST_MODES2, ++ &val, NULL); ++ } ++ ++#ifdef RAW_TXPOWER_SETTING ++ if (local->txpower_type == PRISM2_TXPOWER_FIXED) { ++ val = HFA384X_TEST_CFG_BIT_ALC; ++ local->func->cmd(dev, HFA384X_CMDCODE_TEST | ++ (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL); ++ val = prism2_txpower_dBm_to_hfa386x(local->txpower); ++ ret = (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, ++ HFA386X_CR_MANUAL_TX_POWER, &val, NULL)); ++ } ++#endif /* RAW_TXPOWER_SETTING */ ++ return (ret ? -EOPNOTSUPP : 0); ++} ++ ++EXPORT_SYMBOL(hostap_restore_power); diff --git a/target/linux/generic/patches-3.6/810-pci_disable_common_quirks.patch b/target/linux/generic/patches-3.6/810-pci_disable_common_quirks.patch new file mode 100644 index 0000000000..4802157189 --- /dev/null +++ b/target/linux/generic/patches-3.6/810-pci_disable_common_quirks.patch @@ -0,0 +1,43 @@ +--- a/drivers/pci/Kconfig ++++ b/drivers/pci/Kconfig +@@ -51,6 +51,12 @@ config XEN_PCIDEV_FRONTEND + The PCI device frontend driver allows the kernel to import arbitrary + PCI devices from a PCI backend to support PCI driver domains. + ++config PCI_DISABLE_COMMON_QUIRKS ++ bool "PCI disable common quirks" ++ depends on PCI ++ help ++ If you don't know what to do here, say N. ++ + config HT_IRQ + bool "Interrupts on hypertransport devices" + default y +--- a/drivers/pci/quirks.c ++++ b/drivers/pci/quirks.c +@@ -105,6 +105,7 @@ static void __devinit quirk_mmio_always_ + } + DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, quirk_mmio_always_on); + ++#ifndef CONFIG_PCI_DISABLE_COMMON_QUIRKS + /* The Mellanox Tavor device gives false positive parity errors + * Mark this device with a broken_parity_status, to allow + * PCI scanning code to "skip" this now blacklisted device. +@@ -1990,7 +1991,9 @@ static void __devinit fixup_rev1_53c810( + } + } + DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NCR, PCI_DEVICE_ID_NCR_53C810, fixup_rev1_53c810); ++#endif /* !CONFIG_PCI_DISABLE_COMMON_QUIRKS */ + ++#ifndef CONFIG_PCI_DISABLE_COMMON_QUIRKS + /* Enable 1k I/O space granularity on the Intel P64H2 */ + static void __devinit quirk_p64h2_1k_io(struct pci_dev *dev) + { +@@ -2666,6 +2669,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AT + quirk_msi_intx_disable_bug); + + #endif /* CONFIG_PCI_MSI */ ++#endif /* !CONFIG_PCI_DISABLE_COMMON_QUIRKS */ + + /* Allow manual resource allocation for PCI hotplug bridges + * via pci=hpmemsize=nnM and pci=hpiosize=nnM parameters. For diff --git a/target/linux/generic/patches-3.6/811-pci_disable_usb_common_quirks.patch b/target/linux/generic/patches-3.6/811-pci_disable_usb_common_quirks.patch new file mode 100644 index 0000000000..7bf8eaf1e1 --- /dev/null +++ b/target/linux/generic/patches-3.6/811-pci_disable_usb_common_quirks.patch @@ -0,0 +1,38 @@ + +--- a/drivers/usb/host/pci-quirks.c ++++ b/drivers/usb/host/pci-quirks.c +@@ -432,6 +432,8 @@ reset_needed: + } + EXPORT_SYMBOL_GPL(uhci_check_and_reset_hc); + ++#ifndef CONFIG_PCI_DISABLE_COMMON_QUIRKS ++ + static inline int io_type_enabled(struct pci_dev *pdev, unsigned int mask) + { + u16 cmd; +@@ -928,3 +930,5 @@ static void __devinit quirk_usb_early_ha + pci_disable_device(pdev); + } + DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, quirk_usb_early_handoff); ++ ++#endif +--- a/drivers/usb/host/pci-quirks.h ++++ b/drivers/usb/host/pci-quirks.h +@@ -8,9 +8,17 @@ int usb_amd_find_chipset_info(void); + void usb_amd_dev_put(void); + void usb_amd_quirk_pll_disable(void); + void usb_amd_quirk_pll_enable(void); ++#if !defined(CONFIG_PCI_DISABLE_COMMON_QUIRKS) + bool usb_is_intel_switchable_xhci(struct pci_dev *pdev); + void usb_enable_xhci_ports(struct pci_dev *xhci_pdev); + #else ++static inline bool usb_is_intel_switchable_xhci(struct pci_dev *pdev) ++{ ++ return false; ++} ++static inline void usb_enable_xhci_ports(struct pci_dev *xhci_pdev) {} ++#endif ++#else + static inline void usb_amd_quirk_pll_disable(void) {} + static inline void usb_amd_quirk_pll_enable(void) {} + static inline void usb_amd_dev_put(void) {} diff --git a/target/linux/generic/patches-3.6/820-usb_add_usb_find_device_by_name.patch b/target/linux/generic/patches-3.6/820-usb_add_usb_find_device_by_name.patch new file mode 100644 index 0000000000..ee50ff90ef --- /dev/null +++ b/target/linux/generic/patches-3.6/820-usb_add_usb_find_device_by_name.patch @@ -0,0 +1,84 @@ +--- a/drivers/usb/core/usb.c ++++ b/drivers/usb/core/usb.c +@@ -652,6 +652,71 @@ int __usb_get_extra_descriptor(char *buf + } + EXPORT_SYMBOL_GPL(__usb_get_extra_descriptor); + ++static struct usb_device *match_device_name(struct usb_device *dev, ++ const char *name) ++{ ++ struct usb_device *ret_dev = NULL; ++ int child; ++ ++ dev_dbg(&dev->dev, "check for name %s ...\n", name); ++ ++ /* see if this device matches */ ++ if (strcmp(dev_name(&dev->dev), name) == 0 ) { ++ dev_dbg(&dev->dev, "matched this device!\n"); ++ ret_dev = usb_get_dev(dev); ++ goto exit; ++ } ++ ++ /* look through all of the children of this device */ ++ for (child = 0; child < dev->maxchild; ++child) { ++ if (dev->children[child]) { ++ usb_lock_device(dev->children[child]); ++ ret_dev = match_device_name(dev->children[child], name); ++ usb_unlock_device(dev->children[child]); ++ if (ret_dev) ++ goto exit; ++ } ++ } ++exit: ++ return ret_dev; ++} ++ ++/** ++ * usb_find_device_by_name - find a specific usb device in the system ++ * @name: the name of the device to find ++ * ++ * Returns a pointer to a struct usb_device if such a specified usb ++ * device is present in the system currently. The usage count of the ++ * device will be incremented if a device is found. Make sure to call ++ * usb_put_dev() when the caller is finished with the device. ++ * ++ * If a device with the specified bus id is not found, NULL is returned. ++ */ ++struct usb_device *usb_find_device_by_name(const char *name) ++{ ++ struct list_head *buslist; ++ struct usb_bus *bus; ++ struct usb_device *dev = NULL; ++ ++ mutex_lock(&usb_bus_list_lock); ++ for (buslist = usb_bus_list.next; ++ buslist != &usb_bus_list; ++ buslist = buslist->next) { ++ bus = container_of(buslist, struct usb_bus, bus_list); ++ if (!bus->root_hub) ++ continue; ++ usb_lock_device(bus->root_hub); ++ dev = match_device_name(bus->root_hub, name); ++ usb_unlock_device(bus->root_hub); ++ if (dev) ++ goto exit; ++ } ++exit: ++ mutex_unlock(&usb_bus_list_lock); ++ return dev; ++} ++EXPORT_SYMBOL_GPL(usb_find_device_by_name); ++ + /** + * usb_alloc_coherent - allocate dma-consistent buffer for URB_NO_xxx_DMA_MAP + * @dev: device the buffer will be used with +--- a/include/linux/usb.h ++++ b/include/linux/usb.h +@@ -531,6 +531,7 @@ extern int usb_lock_device_for_reset(str + extern int usb_reset_device(struct usb_device *dev); + extern void usb_queue_reset_device(struct usb_interface *dev); + ++extern struct usb_device *usb_find_device_by_name(const char *name); + + /* USB autosuspend and autoresume */ + #ifdef CONFIG_USB_SUSPEND diff --git a/target/linux/generic/patches-3.6/830-ledtrig_morse.patch b/target/linux/generic/patches-3.6/830-ledtrig_morse.patch new file mode 100644 index 0000000000..3283807f2b --- /dev/null +++ b/target/linux/generic/patches-3.6/830-ledtrig_morse.patch @@ -0,0 +1,28 @@ +--- a/drivers/leds/Kconfig ++++ b/drivers/leds/Kconfig +@@ -480,4 +480,8 @@ config LEDS_TRIGGER_DEFAULT_ON + comment "iptables trigger is under Netfilter config (LED target)" + depends on LEDS_TRIGGERS + ++config LEDS_TRIGGER_MORSE ++ tristate "LED Morse Trigger" ++ depends on LEDS_TRIGGERS ++ + endif # NEW_LEDS +--- a/drivers/leds/Makefile ++++ b/drivers/leds/Makefile +@@ -57,3 +57,4 @@ obj-$(CONFIG_LEDS_TRIGGER_HEARTBEAT) += + obj-$(CONFIG_LEDS_TRIGGER_BACKLIGHT) += ledtrig-backlight.o + obj-$(CONFIG_LEDS_TRIGGER_GPIO) += ledtrig-gpio.o + obj-$(CONFIG_LEDS_TRIGGER_DEFAULT_ON) += ledtrig-default-on.o ++obj-$(CONFIG_LEDS_TRIGGER_MORSE) += ledtrig-morse.o +--- a/drivers/leds/ledtrig-morse.c ++++ b/drivers/leds/ledtrig-morse.c +@@ -26,7 +26,6 @@ + #include <linux/list.h> + #include <linux/spinlock.h> + #include <linux/device.h> +-#include <linux/sysdev.h> + #include <linux/timer.h> + #include <linux/ctype.h> + #include <linux/leds.h> diff --git a/target/linux/generic/patches-3.6/831-ledtrig_netdev.patch b/target/linux/generic/patches-3.6/831-ledtrig_netdev.patch new file mode 100644 index 0000000000..7f94b1cd39 --- /dev/null +++ b/target/linux/generic/patches-3.6/831-ledtrig_netdev.patch @@ -0,0 +1,51 @@ +--- a/drivers/leds/Kconfig ++++ b/drivers/leds/Kconfig +@@ -484,4 +484,11 @@ config LEDS_TRIGGER_MORSE + tristate "LED Morse Trigger" + depends on LEDS_TRIGGERS + ++config LEDS_TRIGGER_NETDEV ++ tristate "LED Netdev Trigger" ++ depends on NET && LEDS_TRIGGERS ++ help ++ This allows LEDs to be controlled by network device activity. ++ If unsure, say Y. ++ + endif # NEW_LEDS +--- a/drivers/leds/Makefile ++++ b/drivers/leds/Makefile +@@ -58,3 +58,4 @@ obj-$(CONFIG_LEDS_TRIGGER_BACKLIGHT) += + obj-$(CONFIG_LEDS_TRIGGER_GPIO) += ledtrig-gpio.o + obj-$(CONFIG_LEDS_TRIGGER_DEFAULT_ON) += ledtrig-default-on.o + obj-$(CONFIG_LEDS_TRIGGER_MORSE) += ledtrig-morse.o ++obj-$(CONFIG_LEDS_TRIGGER_NETDEV) += ledtrig-netdev.o +--- a/drivers/leds/ledtrig-netdev.c ++++ b/drivers/leds/ledtrig-netdev.c +@@ -22,7 +22,6 @@ + #include <linux/list.h> + #include <linux/spinlock.h> + #include <linux/device.h> +-#include <linux/sysdev.h> + #include <linux/netdevice.h> + #include <linux/timer.h> + #include <linux/ctype.h> +@@ -307,8 +306,9 @@ done: + static void netdev_trig_timer(unsigned long arg) + { + struct led_netdev_data *trigger_data = (struct led_netdev_data *)arg; +- const struct net_device_stats *dev_stats; ++ struct rtnl_link_stats64 *dev_stats; + unsigned new_activity; ++ struct rtnl_link_stats64 temp; + + write_lock(&trigger_data->lock); + +@@ -318,7 +318,7 @@ static void netdev_trig_timer(unsigned l + goto no_restart; + } + +- dev_stats = dev_get_stats(trigger_data->net_dev); ++ dev_stats = dev_get_stats(trigger_data->net_dev, &temp); + new_activity = + ((trigger_data->mode & MODE_TX) ? dev_stats->tx_packets : 0) + + ((trigger_data->mode & MODE_RX) ? dev_stats->rx_packets : 0); diff --git a/target/linux/generic/patches-3.6/832-ledtrig_usbdev.patch b/target/linux/generic/patches-3.6/832-ledtrig_usbdev.patch new file mode 100644 index 0000000000..8933497e84 --- /dev/null +++ b/target/linux/generic/patches-3.6/832-ledtrig_usbdev.patch @@ -0,0 +1,31 @@ +--- a/drivers/leds/Kconfig ++++ b/drivers/leds/Kconfig +@@ -491,4 +491,11 @@ config LEDS_TRIGGER_NETDEV + This allows LEDs to be controlled by network device activity. + If unsure, say Y. + ++config LEDS_TRIGGER_USBDEV ++ tristate "LED USB device Trigger" ++ depends on USB && LEDS_TRIGGERS ++ help ++ This allows LEDs to be controlled by the presence/activity of ++ an USB device. If unsure, say N. ++ + endif # NEW_LEDS +--- a/drivers/leds/Makefile ++++ b/drivers/leds/Makefile +@@ -59,3 +59,4 @@ obj-$(CONFIG_LEDS_TRIGGER_GPIO) += ledt + obj-$(CONFIG_LEDS_TRIGGER_DEFAULT_ON) += ledtrig-default-on.o + obj-$(CONFIG_LEDS_TRIGGER_MORSE) += ledtrig-morse.o + obj-$(CONFIG_LEDS_TRIGGER_NETDEV) += ledtrig-netdev.o ++obj-$(CONFIG_LEDS_TRIGGER_USBDEV) += ledtrig-usbdev.o +--- a/drivers/leds/ledtrig-usbdev.c ++++ b/drivers/leds/ledtrig-usbdev.c +@@ -24,7 +24,6 @@ + #include <linux/list.h> + #include <linux/spinlock.h> + #include <linux/device.h> +-#include <linux/sysdev.h> + #include <linux/timer.h> + #include <linux/ctype.h> + #include <linux/slab.h> diff --git a/target/linux/generic/patches-3.6/840-rtc7301.patch b/target/linux/generic/patches-3.6/840-rtc7301.patch new file mode 100644 index 0000000000..35dd3b8bd7 --- /dev/null +++ b/target/linux/generic/patches-3.6/840-rtc7301.patch @@ -0,0 +1,250 @@ +--- a/drivers/rtc/Kconfig ++++ b/drivers/rtc/Kconfig +@@ -719,6 +719,15 @@ config RTC_DRV_NUC900 + If you say yes here you get support for the RTC subsystem of the + NUC910/NUC920 used in embedded systems. + ++config RTC_DRV_RTC7301 ++ tristate "Epson RTC-7301 SF/DG" ++ help ++ If you say Y here you will get support for the ++ Epson RTC-7301 SF/DG RTC chips. ++ ++ This driver can also be built as a module. If so, the module ++ will be called rtc-7301. ++ + comment "on-CPU RTC drivers" + + config RTC_DRV_DAVINCI +--- a/drivers/rtc/Makefile ++++ b/drivers/rtc/Makefile +@@ -86,6 +86,7 @@ obj-$(CONFIG_RTC_DRV_RP5C01) += rtc-rp5c + obj-$(CONFIG_RTC_DRV_RS5C313) += rtc-rs5c313.o + obj-$(CONFIG_RTC_DRV_RS5C348) += rtc-rs5c348.o + obj-$(CONFIG_RTC_DRV_RS5C372) += rtc-rs5c372.o ++obj-$(CONFIG_RTC_DRV_RTC7301) += rtc-rtc7301.o + obj-$(CONFIG_RTC_DRV_RV3029C2) += rtc-rv3029c2.o + obj-$(CONFIG_RTC_DRV_RX8025) += rtc-rx8025.o + obj-$(CONFIG_RTC_DRV_RX8581) += rtc-rx8581.o +--- /dev/null ++++ b/drivers/rtc/rtc-rtc7301.c +@@ -0,0 +1,219 @@ ++/* ++ * Driver for Epson RTC-7301SF/DG ++ * ++ * Copyright (C) 2009 Jose Vasconcellos ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include <linux/module.h> ++#include <linux/rtc.h> ++#include <linux/platform_device.h> ++#include <linux/io.h> ++#include <linux/delay.h> ++#include <linux/bcd.h> ++ ++#define RTC_NAME "rtc7301" ++#define RTC_VERSION "0.1" ++ ++/* Epson RTC-7301 register addresses */ ++#define RTC7301_SEC 0x00 ++#define RTC7301_SEC10 0x01 ++#define RTC7301_MIN 0x02 ++#define RTC7301_MIN10 0x03 ++#define RTC7301_HOUR 0x04 ++#define RTC7301_HOUR10 0x05 ++#define RTC7301_WEEKDAY 0x06 ++#define RTC7301_DAY 0x07 ++#define RTC7301_DAY10 0x08 ++#define RTC7301_MON 0x09 ++#define RTC7301_MON10 0x0A ++#define RTC7301_YEAR 0x0B ++#define RTC7301_YEAR10 0x0C ++#define RTC7301_YEAR100 0x0D ++#define RTC7301_YEAR1000 0x0E ++#define RTC7301_CTRLREG 0x0F ++ ++static uint8_t __iomem *rtc7301_base; ++ ++#define read_reg(offset) (readb(rtc7301_base + offset) & 0xf) ++#define write_reg(offset, data) writeb(data, rtc7301_base + (offset)) ++ ++#define rtc7301_isbusy() (read_reg(RTC7301_CTRLREG) & 1) ++ ++static void rtc7301_init_settings(void) ++{ ++ int i; ++ ++ write_reg(RTC7301_CTRLREG, 2); ++ write_reg(RTC7301_YEAR1000, 2); ++ udelay(122); ++ ++ /* bank 1 */ ++ write_reg(RTC7301_CTRLREG, 6); ++ for (i=0; i<15; i++) ++ write_reg(i, 0); ++ ++ /* bank 2 */ ++ write_reg(RTC7301_CTRLREG, 14); ++ for (i=0; i<15; i++) ++ write_reg(i, 0); ++ write_reg(RTC7301_CTRLREG, 0); ++} ++ ++static int rtc7301_get_datetime(struct device *dev, struct rtc_time *dt) ++{ ++ int cnt; ++ uint8_t buf[16]; ++ ++ cnt = 0; ++ while (rtc7301_isbusy()) { ++ udelay(244); ++ if (cnt++ > 100) { ++ dev_err(dev, "%s: timeout error %x\n", __func__, rtc7301_base[RTC7301_CTRLREG]); ++ return -EIO; ++ } ++ } ++ ++ for (cnt=0; cnt<16; cnt++) ++ buf[cnt] = read_reg(cnt); ++ ++ if (buf[RTC7301_SEC10] & 8) { ++ dev_err(dev, "%s: RTC not set\n", __func__); ++ return -EINVAL; ++ } ++ ++ memset(dt, 0, sizeof(*dt)); ++ ++ dt->tm_sec = buf[RTC7301_SEC] + buf[RTC7301_SEC10]*10; ++ dt->tm_min = buf[RTC7301_MIN] + buf[RTC7301_MIN10]*10; ++ dt->tm_hour = buf[RTC7301_HOUR] + buf[RTC7301_HOUR10]*10; ++ ++ dt->tm_mday = buf[RTC7301_DAY] + buf[RTC7301_DAY10]*10; ++ dt->tm_mon = buf[RTC7301_MON] + buf[RTC7301_MON10]*10 - 1; ++ dt->tm_year = buf[RTC7301_YEAR] + buf[RTC7301_YEAR10]*10 + ++ buf[RTC7301_YEAR100]*100 + ++ ((buf[RTC7301_YEAR1000] & 3)*1000) - 1900; ++ ++ /* the rtc device may contain illegal values on power up ++ * according to the data sheet. make sure they are valid. ++ */ ++ ++ return rtc_valid_tm(dt); ++} ++ ++static int rtc7301_set_datetime(struct device *dev, struct rtc_time *dt) ++{ ++ int data; ++ ++ data = dt->tm_year + 1900; ++ if (data >= 2100 || data < 1900) ++ return -EINVAL; ++ ++ write_reg(RTC7301_CTRLREG, 2); ++ udelay(122); ++ ++ data = bin2bcd(dt->tm_sec); ++ write_reg(RTC7301_SEC, data); ++ write_reg(RTC7301_SEC10, (data >> 4)); ++ ++ data = bin2bcd(dt->tm_min); ++ write_reg(RTC7301_MIN, data ); ++ write_reg(RTC7301_MIN10, (data >> 4)); ++ ++ data = bin2bcd(dt->tm_hour); ++ write_reg(RTC7301_HOUR, data); ++ write_reg(RTC7301_HOUR10, (data >> 4)); ++ ++ data = bin2bcd(dt->tm_mday); ++ write_reg(RTC7301_DAY, data); ++ write_reg(RTC7301_DAY10, (data>> 4)); ++ ++ data = bin2bcd(dt->tm_mon + 1); ++ write_reg(RTC7301_MON, data); ++ write_reg(RTC7301_MON10, (data >> 4)); ++ ++ data = bin2bcd(dt->tm_year % 100); ++ write_reg(RTC7301_YEAR, data); ++ write_reg(RTC7301_YEAR10, (data >> 4)); ++ data = bin2bcd((1900 + dt->tm_year) / 100); ++ write_reg(RTC7301_YEAR100, data); ++ ++ data = bin2bcd(dt->tm_wday); ++ write_reg(RTC7301_WEEKDAY, data); ++ ++ write_reg(RTC7301_CTRLREG, 0); ++ ++ return 0; ++} ++ ++static const struct rtc_class_ops rtc7301_rtc_ops = { ++ .read_time = rtc7301_get_datetime, ++ .set_time = rtc7301_set_datetime, ++}; ++ ++static int __devinit rtc7301_probe(struct platform_device *pdev) ++{ ++ struct rtc_device *rtc; ++ struct resource *res; ++ ++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ if (!res) ++ return -ENOENT; ++ ++ rtc7301_base = ioremap_nocache(res->start, 0x1000 /*res->end - res->start + 1*/); ++ if (!rtc7301_base) ++ return -EINVAL; ++ ++ rtc = rtc_device_register(RTC_NAME, &pdev->dev, ++ &rtc7301_rtc_ops, THIS_MODULE); ++ if (IS_ERR(rtc)) { ++ iounmap(rtc7301_base); ++ return PTR_ERR(rtc); ++ } ++ ++ platform_set_drvdata(pdev, rtc); ++ ++ rtc7301_init_settings(); ++ return 0; ++} ++ ++static int __devexit rtc7301_remove(struct platform_device *pdev) ++{ ++ struct rtc_device *rtc = platform_get_drvdata(pdev); ++ ++ if (rtc) ++ rtc_device_unregister(rtc); ++ if (rtc7301_base) ++ iounmap(rtc7301_base); ++ return 0; ++} ++ ++static struct platform_driver rtc7301_driver = { ++ .driver = { ++ .name = RTC_NAME, ++ .owner = THIS_MODULE, ++ }, ++ .probe = rtc7301_probe, ++ .remove = __devexit_p(rtc7301_remove), ++}; ++ ++static __init int rtc7301_init(void) ++{ ++ return platform_driver_register(&rtc7301_driver); ++} ++module_init(rtc7301_init); ++ ++static __exit void rtc7301_exit(void) ++{ ++ platform_driver_unregister(&rtc7301_driver); ++} ++module_exit(rtc7301_exit); ++ ++MODULE_DESCRIPTION("Epson 7301 RTC driver"); ++MODULE_AUTHOR("Jose Vasconcellos <jvasco@verizon.net>"); ++MODULE_LICENSE("GPL"); ++MODULE_ALIAS("platform:" RTC_NAME); ++MODULE_VERSION(RTC_VERSION); diff --git a/target/linux/generic/patches-3.6/841-rtc_pt7c4338.patch b/target/linux/generic/patches-3.6/841-rtc_pt7c4338.patch new file mode 100644 index 0000000000..2c9e6035aa --- /dev/null +++ b/target/linux/generic/patches-3.6/841-rtc_pt7c4338.patch @@ -0,0 +1,247 @@ +--- a/drivers/rtc/Kconfig ++++ b/drivers/rtc/Kconfig +@@ -379,6 +379,15 @@ config RTC_DRV_RV3029C2 + This driver can also be built as a module. If so, the module + will be called rtc-rv3029c2. + ++config RTC_DRV_PT7C4338 ++ tristate "Pericom Technology Inc. PT7C4338 RTC" ++ help ++ If you say yes here you get support for the Pericom Technology ++ Inc. PT7C4338 RTC chip. ++ ++ This driver can also be built as a module. If so, the module ++ will be called rtc-pt7c4338. ++ + endif # I2C + + comment "SPI RTC drivers" +--- a/drivers/rtc/Makefile ++++ b/drivers/rtc/Makefile +@@ -79,6 +79,7 @@ obj-$(CONFIG_RTC_DRV_PL030) += rtc-pl030 + obj-$(CONFIG_RTC_DRV_PL031) += rtc-pl031.o + obj-$(CONFIG_RTC_DRV_PM8XXX) += rtc-pm8xxx.o + obj-$(CONFIG_RTC_DRV_PS3) += rtc-ps3.o ++obj-$(CONFIG_RTC_DRV_PT7C4338) += rtc-pt7c4338.o + obj-$(CONFIG_RTC_DRV_PUV3) += rtc-puv3.o + obj-$(CONFIG_RTC_DRV_PXA) += rtc-pxa.o + obj-$(CONFIG_RTC_DRV_R9701) += rtc-r9701.o +--- /dev/null ++++ b/drivers/rtc/rtc-pt7c4338.c +@@ -0,0 +1,216 @@ ++/* ++ * Copyright 2010 Freescale Semiconductor, Inc. ++ * ++ * Author: Priyanka Jain <Priyanka.Jain@freescale.com> ++ * ++ * See file CREDITS for list of people who contributed to this ++ * project. ++ * ++ * This program is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU General Public License as ++ * published by the Free Software Foundation; either version 2 of ++ * the License, or (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, ++ * MA 02111-1307 USA ++ */ ++ ++/* ++ * This file provides Date & Time support (no alarms) for PT7C4338 chip. ++ * ++ * This file is based on drivers/rtc/rtc-ds1307.c ++ * ++ * PT7C4338 chip is manufactured by Pericom Technology Inc. ++ * It is a serial real-time clock which provides ++ * 1)Low-power clock/calendar. ++ * 2)Programmable square-wave output. ++ * It has 56 bytes of nonvolatile RAM. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/slab.h> ++#include <linux/i2c.h> ++#include <linux/rtc.h> ++#include <linux/bcd.h> ++ ++/* RTC register addresses */ ++#define PT7C4338_REG_SECONDS 0x00 ++#define PT7C4338_REG_MINUTES 0x01 ++#define PT7C4338_REG_HOURS 0x02 ++#define PT7C4338_REG_AMPM 0x02 ++#define PT7C4338_REG_DAY 0x03 ++#define PT7C4338_REG_DATE 0x04 ++#define PT7C4338_REG_MONTH 0x05 ++#define PT7C4338_REG_YEAR 0x06 ++#define PT7C4338_REG_CTRL_STAT 0x07 ++ ++/* RTC second register address bit */ ++#define PT7C4338_SEC_BIT_CH 0x80 /*Clock Halt (in Register 0)*/ ++ ++/* RTC control and status register bits */ ++#define PT7C4338_CTRL_STAT_BIT_RS0 0x1 /*Rate select 0*/ ++#define PT7C4338_CTRL_STAT_BIT_RS1 0x2 /*Rate select 1*/ ++#define PT7C4338_CTRL_STAT_BIT_SQWE 0x10 /*Square Wave Enable*/ ++#define PT7C4338_CTRL_STAT_BIT_OSF 0x20 /*Oscillator Stop Flag*/ ++#define PT7C4338_CTRL_STAT_BIT_OUT 0x80 /*Output Level Control*/ ++ ++static const struct i2c_device_id pt7c4338_id[] = { ++ { "pt7c4338", 0 }, ++ { } ++}; ++MODULE_DEVICE_TABLE(i2c, pt7c4338_id); ++ ++struct pt7c4338{ ++ struct i2c_client *client; ++ struct rtc_device *rtc; ++}; ++ ++static int pt7c4338_read_time(struct device *dev, struct rtc_time *time) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ int ret; ++ u8 buf[7]; ++ u8 year, month, day, hour, minute, second; ++ u8 week, twelve_hr, am_pm; ++ ++ ret = i2c_smbus_read_i2c_block_data(client, ++ PT7C4338_REG_SECONDS, 7, buf); ++ if (ret < 0) ++ return ret; ++ if (ret < 7) ++ return -EIO; ++ ++ second = buf[0]; ++ minute = buf[1]; ++ hour = buf[2]; ++ week = buf[3]; ++ day = buf[4]; ++ month = buf[5]; ++ year = buf[6]; ++ ++ /* Extract additional information for AM/PM */ ++ twelve_hr = hour & 0x40; ++ am_pm = hour & 0x20; ++ ++ /* Write to rtc_time structure */ ++ time->tm_sec = bcd2bin(second & 0x7f); ++ time->tm_min = bcd2bin(minute & 0x7f); ++ if (twelve_hr) { ++ /* Convert to 24 hr */ ++ if (am_pm) ++ time->tm_hour = bcd2bin(hour & 0x10) + 12; ++ else ++ time->tm_hour = bcd2bin(hour & 0xBF); ++ } else { ++ time->tm_hour = bcd2bin(hour); ++ } ++ ++ time->tm_wday = bcd2bin(week & 0x07) - 1; ++ time->tm_mday = bcd2bin(day & 0x3f); ++ time->tm_mon = bcd2bin(month & 0x1F) - 1; ++ /* assume 20YY not 19YY */ ++ time->tm_year = bcd2bin(year) + 100; ++ ++ return 0; ++} ++ ++static int pt7c4338_set_time(struct device *dev, struct rtc_time *time) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ u8 buf[7]; ++ ++ /* Extract time from rtc_time and load into pt7c4338*/ ++ buf[0] = bin2bcd(time->tm_sec); ++ buf[1] = bin2bcd(time->tm_min); ++ buf[2] = bin2bcd(time->tm_hour); ++ buf[3] = bin2bcd(time->tm_wday + 1); /* Day of the week */ ++ buf[4] = bin2bcd(time->tm_mday); /* Date */ ++ buf[5] = bin2bcd(time->tm_mon + 1); ++ ++ /* assume 20YY not 19YY */ ++ if (time->tm_year >= 100) ++ buf[6] = bin2bcd(time->tm_year - 100); ++ else ++ buf[6] = bin2bcd(time->tm_year); ++ ++ return i2c_smbus_write_i2c_block_data(client, ++ PT7C4338_REG_SECONDS, 7, buf); ++} ++ ++static const struct rtc_class_ops pt7c4338_rtc_ops = { ++ .read_time = pt7c4338_read_time, ++ .set_time = pt7c4338_set_time, ++}; ++ ++static int pt7c4338_probe(struct i2c_client *client, ++ const struct i2c_device_id *id) ++{ ++ struct pt7c4338 *pt7c4338; ++ struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); ++ int ret; ++ ++ pt7c4338 = kzalloc(sizeof(struct pt7c4338), GFP_KERNEL); ++ if (!pt7c4338) ++ return -ENOMEM; ++ ++ pt7c4338->client = client; ++ i2c_set_clientdata(client, pt7c4338); ++ pt7c4338->rtc = rtc_device_register(client->name, &client->dev, ++ &pt7c4338_rtc_ops, THIS_MODULE); ++ if (IS_ERR(pt7c4338->rtc)) { ++ ret = PTR_ERR(pt7c4338->rtc); ++ dev_err(&client->dev, "unable to register the class device\n"); ++ goto out_free; ++ } ++ ++ return 0; ++out_free: ++ i2c_set_clientdata(client, NULL); ++ kfree(pt7c4338); ++ return ret; ++} ++ ++static int __devexit pt7c4338_remove(struct i2c_client *client) ++{ ++ struct pt7c4338 *pt7c4338 = i2c_get_clientdata(client); ++ ++ rtc_device_unregister(pt7c4338->rtc); ++ i2c_set_clientdata(client, NULL); ++ kfree(pt7c4338); ++ return 0; ++} ++ ++static struct i2c_driver pt7c4338_driver = { ++ .driver = { ++ .name = "rtc-pt7c4338", ++ .owner = THIS_MODULE, ++ }, ++ .probe = pt7c4338_probe, ++ .remove = __devexit_p(pt7c4338_remove), ++ .id_table = pt7c4338_id, ++}; ++ ++static int __init pt7c4338_init(void) ++{ ++ return i2c_add_driver(&pt7c4338_driver); ++} ++ ++static void __exit pt7c4338_exit(void) ++{ ++ i2c_del_driver(&pt7c4338_driver); ++} ++ ++module_init(pt7c4338_init); ++module_exit(pt7c4338_exit); ++ ++MODULE_AUTHOR("Priyanka Jain <Priyanka.Jain@freescale.com>"); ++MODULE_DESCRIPTION("pericom Technology Inc. PT7C4338 RTC Driver"); ++MODULE_LICENSE("GPL"); diff --git a/target/linux/generic/patches-3.6/850-glamo_headers.patch b/target/linux/generic/patches-3.6/850-glamo_headers.patch new file mode 100644 index 0000000000..c75e1d62ea --- /dev/null +++ b/target/linux/generic/patches-3.6/850-glamo_headers.patch @@ -0,0 +1,21 @@ +--- a/include/linux/fb.h ++++ b/include/linux/fb.h +@@ -127,6 +127,7 @@ + #define FB_ACCEL_TRIDENT_BLADE3D 52 /* Trident Blade3D */ + #define FB_ACCEL_TRIDENT_BLADEXP 53 /* Trident BladeXP */ + #define FB_ACCEL_CIRRUS_ALPINE 53 /* Cirrus Logic 543x/544x/5480 */ ++#define FB_ACCEL_GLAMO 50 /* SMedia Glamo */ + #define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */ + #define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */ + #define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */ +--- a/include/linux/Kbuild ++++ b/include/linux/Kbuild +@@ -144,6 +144,8 @@ header-y += generic_serial.h + header-y += genetlink.h + header-y += gfs2_ondisk.h + header-y += gigaset_dev.h ++header-y += glamofb.h ++header-y += glamo-engine.h + header-y += hdlc.h + header-y += hdlcdrv.h + header-y += hdreg.h diff --git a/target/linux/generic/patches-3.6/861-04_spi_gpio_implement_spi_delay.patch b/target/linux/generic/patches-3.6/861-04_spi_gpio_implement_spi_delay.patch new file mode 100644 index 0000000000..7828869c51 --- /dev/null +++ b/target/linux/generic/patches-3.6/861-04_spi_gpio_implement_spi_delay.patch @@ -0,0 +1,58 @@ +Implement the SPI-GPIO delay function for busses that need speed limitation. + +--mb + + + +--- a/drivers/spi/spi-gpio.c ++++ b/drivers/spi/spi-gpio.c +@@ -22,6 +22,7 @@ + #include <linux/init.h> + #include <linux/platform_device.h> + #include <linux/gpio.h> ++#include <linux/delay.h> + + #include <linux/spi/spi.h> + #include <linux/spi/spi_bitbang.h> +@@ -70,6 +71,7 @@ struct spi_gpio { + * #define SPI_MOSI_GPIO 120 + * #define SPI_SCK_GPIO 121 + * #define SPI_N_CHIPSEL 4 ++ * #undef NEED_SPIDELAY + * #include "spi-gpio.c" + */ + +@@ -77,6 +79,7 @@ struct spi_gpio { + #define DRIVER_NAME "spi_gpio" + + #define GENERIC_BITBANG /* vs tight inlines */ ++#define NEED_SPIDELAY 1 + + /* all functions referencing these symbols must define pdata */ + #define SPI_MISO_GPIO ((pdata)->miso) +@@ -121,12 +124,20 @@ static inline int getmiso(const struct s + #undef pdata + + /* +- * NOTE: this clocks "as fast as we can". It "should" be a function of the +- * requested device clock. Software overhead means we usually have trouble +- * reaching even one Mbit/sec (except when we can inline bitops), so for now +- * we'll just assume we never need additional per-bit slowdowns. ++ * NOTE: to clock "as fast as we can", set spi_device.max_speed_hz ++ * and spi_transfer.speed_hz to 0. ++ * Otherwise this is a function of the requested device clock. ++ * Software overhead means we usually have trouble ++ * reaching even one Mbit/sec (except when we can inline bitops). So on small ++ * embedded devices with fast SPI slaves you usually don't need a delay. + */ +-#define spidelay(nsecs) do {} while (0) ++static inline void spidelay(unsigned nsecs) ++{ ++#ifdef NEED_SPIDELAY ++ if (unlikely(nsecs)) ++ ndelay(nsecs); ++#endif /* NEED_SPIDELAY */ ++} + + #include "spi-bitbang-txrx.h" + diff --git a/target/linux/generic/patches-3.6/862-gpio_spi_driver.patch b/target/linux/generic/patches-3.6/862-gpio_spi_driver.patch new file mode 100644 index 0000000000..6cbea32a31 --- /dev/null +++ b/target/linux/generic/patches-3.6/862-gpio_spi_driver.patch @@ -0,0 +1,373 @@ +THIS CODE IS DEPRECATED. + +Please use the new mainline SPI-GPIO driver, as of 2.6.29. + +--mb + + + +--- + drivers/spi/Kconfig | 9 + + drivers/spi/Makefile | 1 + drivers/spi/spi_gpio_old.c | 251 +++++++++++++++++++++++++++++++++++++++ + include/linux/spi/spi_gpio_old.h | 73 +++++++++++ + 4 files changed, 334 insertions(+) + +--- /dev/null ++++ b/include/linux/spi/spi_gpio_old.h +@@ -0,0 +1,73 @@ ++/* ++ * spi_gpio interface to platform code ++ * ++ * Copyright (c) 2008 Piotr Skamruk ++ * Copyright (c) 2008 Michael Buesch ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++#ifndef _LINUX_SPI_SPI_GPIO ++#define _LINUX_SPI_SPI_GPIO ++ ++#include <linux/types.h> ++#include <linux/spi/spi.h> ++ ++ ++/** ++ * struct spi_gpio_platform_data - Data definitions for a SPI-GPIO device. ++ * ++ * This structure holds information about a GPIO-based SPI device. ++ * ++ * @pin_clk: The GPIO pin number of the CLOCK pin. ++ * ++ * @pin_miso: The GPIO pin number of the MISO pin. ++ * ++ * @pin_mosi: The GPIO pin number of the MOSI pin. ++ * ++ * @pin_cs: The GPIO pin number of the CHIPSELECT pin. ++ * ++ * @cs_activelow: If true, the chip is selected when the CS line is low. ++ * ++ * @no_spi_delay: If true, no delay is done in the lowlevel bitbanging. ++ * Note that doing no delay is not standards compliant, ++ * but it might be needed to speed up transfers on some ++ * slow embedded machines. ++ * ++ * @boardinfo_setup: This callback is called after the ++ * SPI master device was registered, but before the ++ * device is registered. ++ * @boardinfo_setup_data: Data argument passed to boardinfo_setup(). ++ */ ++struct spi_gpio_platform_data { ++ unsigned int pin_clk; ++ unsigned int pin_miso; ++ unsigned int pin_mosi; ++ unsigned int pin_cs; ++ bool cs_activelow; ++ bool no_spi_delay; ++ int (*boardinfo_setup)(struct spi_board_info *bi, ++ struct spi_master *master, ++ void *data); ++ void *boardinfo_setup_data; ++}; ++ ++/** ++ * SPI_GPIO_PLATDEV_NAME - The platform device name string. ++ * ++ * The name string that has to be used for platform_device_alloc ++ * when allocating a spi-gpio device. ++ */ ++#define SPI_GPIO_PLATDEV_NAME "spi-gpio" ++ ++/** ++ * spi_gpio_next_id - Get another platform device ID number. ++ * ++ * This returns the next platform device ID number that has to be used ++ * for platform_device_alloc. The ID is opaque and should not be used for ++ * anything else. ++ */ ++int spi_gpio_next_id(void); ++ ++#endif /* _LINUX_SPI_SPI_GPIO */ +--- /dev/null ++++ b/drivers/spi/spi_gpio_old.c +@@ -0,0 +1,251 @@ ++/* ++ * Bitbanging SPI bus driver using GPIO API ++ * ++ * Copyright (c) 2008 Piotr Skamruk ++ * Copyright (c) 2008 Michael Buesch ++ * ++ * based on spi_s3c2410_gpio.c ++ * Copyright (c) 2006 Ben Dooks ++ * Copyright (c) 2006 Simtec Electronics ++ * and on i2c-gpio.c ++ * Copyright (C) 2007 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/init.h> ++#include <linux/delay.h> ++#include <linux/spinlock.h> ++#include <linux/workqueue.h> ++#include <linux/module.h> ++#include <linux/platform_device.h> ++#include <linux/spi/spi.h> ++#include <linux/spi/spi_bitbang.h> ++#include <linux/spi/spi_gpio_old.h> ++#include <linux/gpio.h> ++#include <asm/atomic.h> ++ ++ ++struct spi_gpio { ++ struct spi_bitbang bitbang; ++ struct spi_gpio_platform_data *info; ++ struct platform_device *pdev; ++ struct spi_board_info bi; ++}; ++ ++ ++static inline struct spi_gpio *spidev_to_sg(struct spi_device *dev) ++{ ++ return dev->controller_data; ++} ++ ++static inline void setsck(struct spi_device *dev, int val) ++{ ++ struct spi_gpio *sp = spidev_to_sg(dev); ++ gpio_set_value(sp->info->pin_clk, val ? 1 : 0); ++} ++ ++static inline void setmosi(struct spi_device *dev, int val) ++{ ++ struct spi_gpio *sp = spidev_to_sg(dev); ++ gpio_set_value(sp->info->pin_mosi, val ? 1 : 0); ++} ++ ++static inline u32 getmiso(struct spi_device *dev) ++{ ++ struct spi_gpio *sp = spidev_to_sg(dev); ++ return gpio_get_value(sp->info->pin_miso) ? 1 : 0; ++} ++ ++static inline void do_spidelay(struct spi_device *dev, unsigned nsecs) ++{ ++ struct spi_gpio *sp = spidev_to_sg(dev); ++ ++ if (!sp->info->no_spi_delay) ++ ndelay(nsecs); ++} ++ ++#define spidelay(nsecs) do { \ ++ /* Steal the spi_device pointer from our caller. \ ++ * The bitbang-API should probably get fixed here... */ \ ++ do_spidelay(spi, nsecs); \ ++ } while (0) ++ ++#define EXPAND_BITBANG_TXRX ++#include "spi-bitbang-txrx.h" ++ ++static u32 spi_gpio_txrx_mode0(struct spi_device *spi, ++ unsigned nsecs, u32 word, u8 bits) ++{ ++ return bitbang_txrx_be_cpha0(spi, nsecs, 0, 0, word, bits); ++} ++ ++static u32 spi_gpio_txrx_mode1(struct spi_device *spi, ++ unsigned nsecs, u32 word, u8 bits) ++{ ++ return bitbang_txrx_be_cpha1(spi, nsecs, 0, 0, word, bits); ++} ++ ++static u32 spi_gpio_txrx_mode2(struct spi_device *spi, ++ unsigned nsecs, u32 word, u8 bits) ++{ ++ return bitbang_txrx_be_cpha0(spi, nsecs, 1, 0, word, bits); ++} ++ ++static u32 spi_gpio_txrx_mode3(struct spi_device *spi, ++ unsigned nsecs, u32 word, u8 bits) ++{ ++ return bitbang_txrx_be_cpha1(spi, nsecs, 1, 0, word, bits); ++} ++ ++static void spi_gpio_chipselect(struct spi_device *dev, int on) ++{ ++ struct spi_gpio *sp = spidev_to_sg(dev); ++ ++ if (sp->info->cs_activelow) ++ on = !on; ++ gpio_set_value(sp->info->pin_cs, on ? 1 : 0); ++} ++ ++static int spi_gpio_probe(struct platform_device *pdev) ++{ ++ struct spi_master *master; ++ struct spi_gpio_platform_data *pdata; ++ struct spi_gpio *sp; ++ struct spi_device *spidev; ++ int err; ++ ++ pdata = pdev->dev.platform_data; ++ if (!pdata) ++ return -ENXIO; ++ ++ err = -ENOMEM; ++ master = spi_alloc_master(&pdev->dev, sizeof(struct spi_gpio)); ++ if (!master) ++ goto err_alloc_master; ++ ++ sp = spi_master_get_devdata(master); ++ platform_set_drvdata(pdev, sp); ++ sp->info = pdata; ++ ++ err = gpio_request(pdata->pin_clk, "spi_clock"); ++ if (err) ++ goto err_request_clk; ++ err = gpio_request(pdata->pin_mosi, "spi_mosi"); ++ if (err) ++ goto err_request_mosi; ++ err = gpio_request(pdata->pin_miso, "spi_miso"); ++ if (err) ++ goto err_request_miso; ++ err = gpio_request(pdata->pin_cs, "spi_cs"); ++ if (err) ++ goto err_request_cs; ++ ++ sp->bitbang.master = spi_master_get(master); ++ sp->bitbang.master->bus_num = -1; ++ sp->bitbang.master->num_chipselect = 1; ++ sp->bitbang.chipselect = spi_gpio_chipselect; ++ sp->bitbang.txrx_word[SPI_MODE_0] = spi_gpio_txrx_mode0; ++ sp->bitbang.txrx_word[SPI_MODE_1] = spi_gpio_txrx_mode1; ++ sp->bitbang.txrx_word[SPI_MODE_2] = spi_gpio_txrx_mode2; ++ sp->bitbang.txrx_word[SPI_MODE_3] = spi_gpio_txrx_mode3; ++ ++ gpio_direction_output(pdata->pin_clk, 0); ++ gpio_direction_output(pdata->pin_mosi, 0); ++ gpio_direction_output(pdata->pin_cs, ++ pdata->cs_activelow ? 1 : 0); ++ gpio_direction_input(pdata->pin_miso); ++ ++ err = spi_bitbang_start(&sp->bitbang); ++ if (err) ++ goto err_no_bitbang; ++ err = pdata->boardinfo_setup(&sp->bi, master, ++ pdata->boardinfo_setup_data); ++ if (err) ++ goto err_bi_setup; ++ sp->bi.controller_data = sp; ++ spidev = spi_new_device(master, &sp->bi); ++ if (!spidev) ++ goto err_new_dev; ++ ++ return 0; ++ ++err_new_dev: ++err_bi_setup: ++ spi_bitbang_stop(&sp->bitbang); ++err_no_bitbang: ++ spi_master_put(sp->bitbang.master); ++ gpio_free(pdata->pin_cs); ++err_request_cs: ++ gpio_free(pdata->pin_miso); ++err_request_miso: ++ gpio_free(pdata->pin_mosi); ++err_request_mosi: ++ gpio_free(pdata->pin_clk); ++err_request_clk: ++ kfree(master); ++ ++err_alloc_master: ++ return err; ++} ++ ++static int __devexit spi_gpio_remove(struct platform_device *pdev) ++{ ++ struct spi_gpio *sp; ++ struct spi_gpio_platform_data *pdata; ++ ++ pdata = pdev->dev.platform_data; ++ sp = platform_get_drvdata(pdev); ++ ++ gpio_free(pdata->pin_clk); ++ gpio_free(pdata->pin_mosi); ++ gpio_free(pdata->pin_miso); ++ gpio_free(pdata->pin_cs); ++ spi_bitbang_stop(&sp->bitbang); ++ spi_master_put(sp->bitbang.master); ++ ++ return 0; ++} ++ ++static struct platform_driver spi_gpio_driver = { ++ .driver = { ++ .name = SPI_GPIO_PLATDEV_NAME, ++ .owner = THIS_MODULE, ++ }, ++ .probe = spi_gpio_probe, ++ .remove = __devexit_p(spi_gpio_remove), ++}; ++ ++int spi_gpio_next_id(void) ++{ ++ static atomic_t counter = ATOMIC_INIT(-1); ++ ++ return atomic_inc_return(&counter); ++} ++EXPORT_SYMBOL(spi_gpio_next_id); ++ ++static int __init spi_gpio_init(void) ++{ ++ int err; ++ ++ err = platform_driver_register(&spi_gpio_driver); ++ if (err) ++ printk(KERN_ERR "spi-gpio: register failed: %d\n", err); ++ ++ return err; ++} ++module_init(spi_gpio_init); ++ ++static void __exit spi_gpio_exit(void) ++{ ++ platform_driver_unregister(&spi_gpio_driver); ++} ++module_exit(spi_gpio_exit); ++ ++MODULE_AUTHOR("Piot Skamruk <piotr.skamruk at gmail.com>"); ++MODULE_AUTHOR("Michael Buesch"); ++MODULE_DESCRIPTION("Platform independent GPIO bitbanging SPI driver"); ++MODULE_LICENSE("GPL v2"); +--- a/drivers/spi/Kconfig ++++ b/drivers/spi/Kconfig +@@ -154,6 +154,15 @@ config SPI_GPIO + GPIO operations, you should be able to leverage that for better + speed with a custom version of this driver; see the source code. + ++config SPI_GPIO_OLD ++ tristate "Old GPIO API based bitbanging SPI controller (DEPRECATED)" ++ depends on SPI_MASTER && GENERIC_GPIO ++ select SPI_BITBANG ++ help ++ This code is deprecated. Please use the new mainline SPI-GPIO driver. ++ ++ If unsure, say N. ++ + config SPI_IMX + tristate "Freescale i.MX SPI controllers" + depends on ARCH_MXC +--- a/drivers/spi/Makefile ++++ b/drivers/spi/Makefile +@@ -29,6 +29,7 @@ obj-$(CONFIG_SPI_FSL_LIB) += spi-fsl-li + obj-$(CONFIG_SPI_FSL_ESPI) += spi-fsl-espi.o + obj-$(CONFIG_SPI_FSL_SPI) += spi-fsl-spi.o + obj-$(CONFIG_SPI_GPIO) += spi-gpio.o ++obj-$(CONFIG_SPI_GPIO_OLD) += spi_gpio_old.o + obj-$(CONFIG_SPI_IMX) += spi-imx.o + obj-$(CONFIG_SPI_LM70_LLP) += spi-lm70llp.o + obj-$(CONFIG_SPI_MPC512x_PSC) += spi-mpc512x-psc.o diff --git a/target/linux/generic/patches-3.6/863-gpiommc.patch b/target/linux/generic/patches-3.6/863-gpiommc.patch new file mode 100644 index 0000000000..32606711f5 --- /dev/null +++ b/target/linux/generic/patches-3.6/863-gpiommc.patch @@ -0,0 +1,844 @@ +--- /dev/null ++++ b/drivers/mmc/host/gpiommc.c +@@ -0,0 +1,609 @@ ++/* ++ * Driver an MMC/SD card on a bitbanging GPIO SPI bus. ++ * This module hooks up the mmc_spi and spi_gpio modules and also ++ * provides a configfs interface. ++ * ++ * Copyright 2008 Michael Buesch <mb@bu3sch.de> ++ * ++ * Licensed under the GNU/GPL. See COPYING for details. ++ */ ++ ++#include <linux/module.h> ++#include <linux/mmc/gpiommc.h> ++#include <linux/platform_device.h> ++#include <linux/list.h> ++#include <linux/mutex.h> ++#include <linux/spi/spi_gpio_old.h> ++#include <linux/configfs.h> ++#include <linux/gpio.h> ++#include <asm/atomic.h> ++ ++ ++#define PFX "gpio-mmc: " ++ ++ ++struct gpiommc_device { ++ struct platform_device *pdev; ++ struct platform_device *spi_pdev; ++ struct spi_board_info boardinfo; ++}; ++ ++ ++MODULE_DESCRIPTION("GPIO based MMC driver"); ++MODULE_AUTHOR("Michael Buesch"); ++MODULE_LICENSE("GPL"); ++ ++ ++static int gpiommc_boardinfo_setup(struct spi_board_info *bi, ++ struct spi_master *master, ++ void *data) ++{ ++ struct gpiommc_device *d = data; ++ struct gpiommc_platform_data *pdata = d->pdev->dev.platform_data; ++ ++ /* Bind the SPI master to the MMC-SPI host driver. */ ++ strlcpy(bi->modalias, "mmc_spi", sizeof(bi->modalias)); ++ ++ bi->max_speed_hz = pdata->max_bus_speed; ++ bi->bus_num = master->bus_num; ++ bi->mode = pdata->mode; ++ ++ return 0; ++} ++ ++static int gpiommc_probe(struct platform_device *pdev) ++{ ++ struct gpiommc_platform_data *mmc_pdata = pdev->dev.platform_data; ++ struct spi_gpio_platform_data spi_pdata; ++ struct gpiommc_device *d; ++ int err; ++ ++ err = -ENXIO; ++ if (!mmc_pdata) ++ goto error; ++ ++#ifdef CONFIG_MMC_SPI_MODULE ++ err = request_module("mmc_spi"); ++ if (err) { ++ printk(KERN_WARNING PFX ++ "Failed to request mmc_spi module.\n"); ++ } ++#endif /* CONFIG_MMC_SPI_MODULE */ ++ ++ /* Allocate the GPIO-MMC device */ ++ err = -ENOMEM; ++ d = kzalloc(sizeof(*d), GFP_KERNEL); ++ if (!d) ++ goto error; ++ d->pdev = pdev; ++ ++ /* Create the SPI-GPIO device */ ++ d->spi_pdev = platform_device_alloc(SPI_GPIO_PLATDEV_NAME, ++ spi_gpio_next_id()); ++ if (!d->spi_pdev) ++ goto err_free_d; ++ ++ memset(&spi_pdata, 0, sizeof(spi_pdata)); ++ spi_pdata.pin_clk = mmc_pdata->pins.gpio_clk; ++ spi_pdata.pin_miso = mmc_pdata->pins.gpio_do; ++ spi_pdata.pin_mosi = mmc_pdata->pins.gpio_di; ++ spi_pdata.pin_cs = mmc_pdata->pins.gpio_cs; ++ spi_pdata.cs_activelow = mmc_pdata->pins.cs_activelow; ++ spi_pdata.no_spi_delay = mmc_pdata->no_spi_delay; ++ spi_pdata.boardinfo_setup = gpiommc_boardinfo_setup; ++ spi_pdata.boardinfo_setup_data = d; ++ ++ err = platform_device_add_data(d->spi_pdev, &spi_pdata, ++ sizeof(spi_pdata)); ++ if (err) ++ goto err_free_pdev; ++ err = platform_device_add(d->spi_pdev); ++ if (err) ++ goto err_free_pdata; ++ platform_set_drvdata(pdev, d); ++ ++ printk(KERN_INFO PFX "MMC-Card \"%s\" " ++ "attached to GPIO pins di=%u, do=%u, clk=%u, cs=%u\n", ++ mmc_pdata->name, mmc_pdata->pins.gpio_di, ++ mmc_pdata->pins.gpio_do, ++ mmc_pdata->pins.gpio_clk, ++ mmc_pdata->pins.gpio_cs); ++ ++ return 0; ++ ++err_free_pdata: ++ kfree(d->spi_pdev->dev.platform_data); ++ d->spi_pdev->dev.platform_data = NULL; ++err_free_pdev: ++ platform_device_put(d->spi_pdev); ++err_free_d: ++ kfree(d); ++error: ++ return err; ++} ++ ++static int gpiommc_remove(struct platform_device *pdev) ++{ ++ struct gpiommc_device *d = platform_get_drvdata(pdev); ++ struct gpiommc_platform_data *pdata = d->pdev->dev.platform_data; ++ ++ platform_device_unregister(d->spi_pdev); ++ printk(KERN_INFO PFX "GPIO based MMC-Card \"%s\" removed\n", ++ pdata->name); ++ platform_device_put(d->spi_pdev); ++ ++ return 0; ++} ++ ++#ifdef CONFIG_GPIOMMC_CONFIGFS ++ ++/* A device that was created through configfs */ ++struct gpiommc_configfs_device { ++ struct config_item item; ++ /* The platform device, after registration. */ ++ struct platform_device *pdev; ++ /* The configuration */ ++ struct gpiommc_platform_data pdata; ++}; ++ ++#define GPIO_INVALID -1 ++ ++static inline bool gpiommc_is_registered(struct gpiommc_configfs_device *dev) ++{ ++ return (dev->pdev != NULL); ++} ++ ++static inline struct gpiommc_configfs_device *ci_to_gpiommc(struct config_item *item) ++{ ++ return item ? container_of(item, struct gpiommc_configfs_device, item) : NULL; ++} ++ ++static struct configfs_attribute gpiommc_attr_DI = { ++ .ca_owner = THIS_MODULE, ++ .ca_name = "gpio_data_in", ++ .ca_mode = S_IRUGO | S_IWUSR, ++}; ++ ++static struct configfs_attribute gpiommc_attr_DO = { ++ .ca_owner = THIS_MODULE, ++ .ca_name = "gpio_data_out", ++ .ca_mode = S_IRUGO | S_IWUSR, ++}; ++ ++static struct configfs_attribute gpiommc_attr_CLK = { ++ .ca_owner = THIS_MODULE, ++ .ca_name = "gpio_clock", ++ .ca_mode = S_IRUGO | S_IWUSR, ++}; ++ ++static struct configfs_attribute gpiommc_attr_CS = { ++ .ca_owner = THIS_MODULE, ++ .ca_name = "gpio_chipselect", ++ .ca_mode = S_IRUGO | S_IWUSR, ++}; ++ ++static struct configfs_attribute gpiommc_attr_CS_activelow = { ++ .ca_owner = THIS_MODULE, ++ .ca_name = "gpio_chipselect_activelow", ++ .ca_mode = S_IRUGO | S_IWUSR, ++}; ++ ++static struct configfs_attribute gpiommc_attr_spimode = { ++ .ca_owner = THIS_MODULE, ++ .ca_name = "spi_mode", ++ .ca_mode = S_IRUGO | S_IWUSR, ++}; ++ ++static struct configfs_attribute gpiommc_attr_spidelay = { ++ .ca_owner = THIS_MODULE, ++ .ca_name = "spi_delay", ++ .ca_mode = S_IRUGO | S_IWUSR, ++}; ++ ++static struct configfs_attribute gpiommc_attr_max_bus_speed = { ++ .ca_owner = THIS_MODULE, ++ .ca_name = "max_bus_speed", ++ .ca_mode = S_IRUGO | S_IWUSR, ++}; ++ ++static struct configfs_attribute gpiommc_attr_register = { ++ .ca_owner = THIS_MODULE, ++ .ca_name = "register", ++ .ca_mode = S_IRUGO | S_IWUSR, ++}; ++ ++static struct configfs_attribute *gpiommc_config_attrs[] = { ++ &gpiommc_attr_DI, ++ &gpiommc_attr_DO, ++ &gpiommc_attr_CLK, ++ &gpiommc_attr_CS, ++ &gpiommc_attr_CS_activelow, ++ &gpiommc_attr_spimode, ++ &gpiommc_attr_spidelay, ++ &gpiommc_attr_max_bus_speed, ++ &gpiommc_attr_register, ++ NULL, ++}; ++ ++static ssize_t gpiommc_config_attr_show(struct config_item *item, ++ struct configfs_attribute *attr, ++ char *page) ++{ ++ struct gpiommc_configfs_device *dev = ci_to_gpiommc(item); ++ ssize_t count = 0; ++ unsigned int gpio; ++ int err = 0; ++ ++ if (attr == &gpiommc_attr_DI) { ++ gpio = dev->pdata.pins.gpio_di; ++ if (gpio == GPIO_INVALID) ++ count = snprintf(page, PAGE_SIZE, "not configured\n"); ++ else ++ count = snprintf(page, PAGE_SIZE, "%u\n", gpio); ++ goto out; ++ } ++ if (attr == &gpiommc_attr_DO) { ++ gpio = dev->pdata.pins.gpio_do; ++ if (gpio == GPIO_INVALID) ++ count = snprintf(page, PAGE_SIZE, "not configured\n"); ++ else ++ count = snprintf(page, PAGE_SIZE, "%u\n", gpio); ++ goto out; ++ } ++ if (attr == &gpiommc_attr_CLK) { ++ gpio = dev->pdata.pins.gpio_clk; ++ if (gpio == GPIO_INVALID) ++ count = snprintf(page, PAGE_SIZE, "not configured\n"); ++ else ++ count = snprintf(page, PAGE_SIZE, "%u\n", gpio); ++ goto out; ++ } ++ if (attr == &gpiommc_attr_CS) { ++ gpio = dev->pdata.pins.gpio_cs; ++ if (gpio == GPIO_INVALID) ++ count = snprintf(page, PAGE_SIZE, "not configured\n"); ++ else ++ count = snprintf(page, PAGE_SIZE, "%u\n", gpio); ++ goto out; ++ } ++ if (attr == &gpiommc_attr_CS_activelow) { ++ count = snprintf(page, PAGE_SIZE, "%u\n", ++ dev->pdata.pins.cs_activelow); ++ goto out; ++ } ++ if (attr == &gpiommc_attr_spimode) { ++ count = snprintf(page, PAGE_SIZE, "%u\n", ++ dev->pdata.mode); ++ goto out; ++ } ++ if (attr == &gpiommc_attr_spidelay) { ++ count = snprintf(page, PAGE_SIZE, "%u\n", ++ !dev->pdata.no_spi_delay); ++ goto out; ++ } ++ if (attr == &gpiommc_attr_max_bus_speed) { ++ count = snprintf(page, PAGE_SIZE, "%u\n", ++ dev->pdata.max_bus_speed); ++ goto out; ++ } ++ if (attr == &gpiommc_attr_register) { ++ count = snprintf(page, PAGE_SIZE, "%u\n", ++ gpiommc_is_registered(dev)); ++ goto out; ++ } ++ WARN_ON(1); ++ err = -ENOSYS; ++out: ++ return err ? err : count; ++} ++ ++static int gpiommc_do_register(struct gpiommc_configfs_device *dev, ++ const char *name) ++{ ++ int err; ++ ++ if (gpiommc_is_registered(dev)) ++ return 0; ++ ++ if (!gpio_is_valid(dev->pdata.pins.gpio_di) || ++ !gpio_is_valid(dev->pdata.pins.gpio_do) || ++ !gpio_is_valid(dev->pdata.pins.gpio_clk) || ++ !gpio_is_valid(dev->pdata.pins.gpio_cs)) { ++ printk(KERN_ERR PFX ++ "configfs: Invalid GPIO pin number(s)\n"); ++ return -EINVAL; ++ } ++ ++ strlcpy(dev->pdata.name, name, ++ sizeof(dev->pdata.name)); ++ ++ dev->pdev = platform_device_alloc(GPIOMMC_PLATDEV_NAME, ++ gpiommc_next_id()); ++ if (!dev->pdev) ++ return -ENOMEM; ++ err = platform_device_add_data(dev->pdev, &dev->pdata, ++ sizeof(dev->pdata)); ++ if (err) { ++ platform_device_put(dev->pdev); ++ return err; ++ } ++ err = platform_device_add(dev->pdev); ++ if (err) { ++ platform_device_put(dev->pdev); ++ return err; ++ } ++ ++ return 0; ++} ++ ++static void gpiommc_do_unregister(struct gpiommc_configfs_device *dev) ++{ ++ if (!gpiommc_is_registered(dev)) ++ return; ++ ++ platform_device_unregister(dev->pdev); ++ dev->pdev = NULL; ++} ++ ++static ssize_t gpiommc_config_attr_store(struct config_item *item, ++ struct configfs_attribute *attr, ++ const char *page, size_t count) ++{ ++ struct gpiommc_configfs_device *dev = ci_to_gpiommc(item); ++ int err = -EINVAL; ++ unsigned long data; ++ ++ if (attr == &gpiommc_attr_register) { ++ err = strict_strtoul(page, 10, &data); ++ if (err) ++ goto out; ++ err = -EINVAL; ++ if (data == 1) ++ err = gpiommc_do_register(dev, item->ci_name); ++ if (data == 0) { ++ gpiommc_do_unregister(dev); ++ err = 0; ++ } ++ goto out; ++ } ++ ++ if (gpiommc_is_registered(dev)) { ++ /* The rest of the config parameters can only be set ++ * as long as the device is not registered, yet. */ ++ err = -EBUSY; ++ goto out; ++ } ++ ++ if (attr == &gpiommc_attr_DI) { ++ err = strict_strtoul(page, 10, &data); ++ if (err) ++ goto out; ++ err = -EINVAL; ++ if (!gpio_is_valid(data)) ++ goto out; ++ dev->pdata.pins.gpio_di = data; ++ err = 0; ++ goto out; ++ } ++ if (attr == &gpiommc_attr_DO) { ++ err = strict_strtoul(page, 10, &data); ++ if (err) ++ goto out; ++ err = -EINVAL; ++ if (!gpio_is_valid(data)) ++ goto out; ++ dev->pdata.pins.gpio_do = data; ++ err = 0; ++ goto out; ++ } ++ if (attr == &gpiommc_attr_CLK) { ++ err = strict_strtoul(page, 10, &data); ++ if (err) ++ goto out; ++ err = -EINVAL; ++ if (!gpio_is_valid(data)) ++ goto out; ++ dev->pdata.pins.gpio_clk = data; ++ err = 0; ++ goto out; ++ } ++ if (attr == &gpiommc_attr_CS) { ++ err = strict_strtoul(page, 10, &data); ++ if (err) ++ goto out; ++ err = -EINVAL; ++ if (!gpio_is_valid(data)) ++ goto out; ++ dev->pdata.pins.gpio_cs = data; ++ err = 0; ++ goto out; ++ } ++ if (attr == &gpiommc_attr_CS_activelow) { ++ err = strict_strtoul(page, 10, &data); ++ if (err) ++ goto out; ++ err = -EINVAL; ++ if (data != 0 && data != 1) ++ goto out; ++ dev->pdata.pins.cs_activelow = data; ++ err = 0; ++ goto out; ++ } ++ if (attr == &gpiommc_attr_spimode) { ++ err = strict_strtoul(page, 10, &data); ++ if (err) ++ goto out; ++ err = -EINVAL; ++ switch (data) { ++ case 0: ++ dev->pdata.mode = SPI_MODE_0; ++ break; ++ case 1: ++ dev->pdata.mode = SPI_MODE_1; ++ break; ++ case 2: ++ dev->pdata.mode = SPI_MODE_2; ++ break; ++ case 3: ++ dev->pdata.mode = SPI_MODE_3; ++ break; ++ default: ++ goto out; ++ } ++ err = 0; ++ goto out; ++ } ++ if (attr == &gpiommc_attr_spidelay) { ++ err = strict_strtoul(page, 10, &data); ++ if (err) ++ goto out; ++ err = -EINVAL; ++ if (data != 0 && data != 1) ++ goto out; ++ dev->pdata.no_spi_delay = !data; ++ err = 0; ++ goto out; ++ } ++ if (attr == &gpiommc_attr_max_bus_speed) { ++ err = strict_strtoul(page, 10, &data); ++ if (err) ++ goto out; ++ err = -EINVAL; ++ if (data > UINT_MAX) ++ goto out; ++ dev->pdata.max_bus_speed = data; ++ err = 0; ++ goto out; ++ } ++ WARN_ON(1); ++ err = -ENOSYS; ++out: ++ return err ? err : count; ++} ++ ++static void gpiommc_config_item_release(struct config_item *item) ++{ ++ struct gpiommc_configfs_device *dev = ci_to_gpiommc(item); ++ ++ kfree(dev); ++} ++ ++static struct configfs_item_operations gpiommc_config_item_ops = { ++ .release = gpiommc_config_item_release, ++ .show_attribute = gpiommc_config_attr_show, ++ .store_attribute = gpiommc_config_attr_store, ++}; ++ ++static struct config_item_type gpiommc_dev_ci_type = { ++ .ct_item_ops = &gpiommc_config_item_ops, ++ .ct_attrs = gpiommc_config_attrs, ++ .ct_owner = THIS_MODULE, ++}; ++ ++static struct config_item *gpiommc_make_item(struct config_group *group, ++ const char *name) ++{ ++ struct gpiommc_configfs_device *dev; ++ ++ if (strlen(name) > GPIOMMC_MAX_NAMELEN) { ++ printk(KERN_ERR PFX "configfs: device name too long\n"); ++ return NULL; ++ } ++ ++ dev = kzalloc(sizeof(*dev), GFP_KERNEL); ++ if (!dev) ++ return NULL; ++ ++ config_item_init_type_name(&dev->item, name, ++ &gpiommc_dev_ci_type); ++ ++ /* Assign default configuration */ ++ dev->pdata.pins.gpio_di = GPIO_INVALID; ++ dev->pdata.pins.gpio_do = GPIO_INVALID; ++ dev->pdata.pins.gpio_clk = GPIO_INVALID; ++ dev->pdata.pins.gpio_cs = GPIO_INVALID; ++ dev->pdata.pins.cs_activelow = 1; ++ dev->pdata.mode = SPI_MODE_0; ++ dev->pdata.no_spi_delay = 0; ++ dev->pdata.max_bus_speed = 5000000; /* 5 MHz */ ++ ++ return &(dev->item); ++} ++ ++static void gpiommc_drop_item(struct config_group *group, ++ struct config_item *item) ++{ ++ struct gpiommc_configfs_device *dev = ci_to_gpiommc(item); ++ ++ gpiommc_do_unregister(dev); ++ kfree(dev); ++} ++ ++static struct configfs_group_operations gpiommc_ct_group_ops = { ++ .make_item = gpiommc_make_item, ++ .drop_item = gpiommc_drop_item, ++}; ++ ++static struct config_item_type gpiommc_ci_type = { ++ .ct_group_ops = &gpiommc_ct_group_ops, ++ .ct_owner = THIS_MODULE, ++}; ++ ++static struct configfs_subsystem gpiommc_subsys = { ++ .su_group = { ++ .cg_item = { ++ .ci_namebuf = GPIOMMC_PLATDEV_NAME, ++ .ci_type = &gpiommc_ci_type, ++ }, ++ }, ++ .su_mutex = __MUTEX_INITIALIZER(gpiommc_subsys.su_mutex), ++}; ++ ++#endif /* CONFIG_GPIOMMC_CONFIGFS */ ++ ++static struct platform_driver gpiommc_plat_driver = { ++ .probe = gpiommc_probe, ++ .remove = gpiommc_remove, ++ .driver = { ++ .name = GPIOMMC_PLATDEV_NAME, ++ .owner = THIS_MODULE, ++ }, ++}; ++ ++int gpiommc_next_id(void) ++{ ++ static atomic_t counter = ATOMIC_INIT(-1); ++ ++ return atomic_inc_return(&counter); ++} ++EXPORT_SYMBOL(gpiommc_next_id); ++ ++static int __init gpiommc_modinit(void) ++{ ++ int err; ++ ++ err = platform_driver_register(&gpiommc_plat_driver); ++ if (err) ++ return err; ++ ++#ifdef CONFIG_GPIOMMC_CONFIGFS ++ config_group_init(&gpiommc_subsys.su_group); ++ err = configfs_register_subsystem(&gpiommc_subsys); ++ if (err) { ++ platform_driver_unregister(&gpiommc_plat_driver); ++ return err; ++ } ++#endif /* CONFIG_GPIOMMC_CONFIGFS */ ++ ++ return 0; ++} ++module_init(gpiommc_modinit); ++ ++static void __exit gpiommc_modexit(void) ++{ ++#ifdef CONFIG_GPIOMMC_CONFIGFS ++ configfs_unregister_subsystem(&gpiommc_subsys); ++#endif ++ platform_driver_unregister(&gpiommc_plat_driver); ++} ++module_exit(gpiommc_modexit); +--- a/drivers/mmc/host/Kconfig ++++ b/drivers/mmc/host/Kconfig +@@ -474,6 +474,31 @@ config MMC_SDHI + This provides support for the SDHI SD/SDIO controller found in + SuperH and ARM SH-Mobile SoCs + ++config GPIOMMC ++ tristate "MMC/SD over GPIO-based SPI" ++ depends on MMC && MMC_SPI && SPI_GPIO_OLD ++ help ++ This driver hooks up the mmc_spi and spi_gpio modules so that ++ MMC/SD cards can be used on a GPIO based bus by bitbanging ++ the SPI protocol in software. ++ ++ This driver provides a configfs interface to dynamically create ++ and destroy GPIO-based MMC/SD card devices. It also provides ++ a platform device interface API. ++ See Documentation/gpiommc.txt for details. ++ ++ The module will be called gpiommc. ++ ++ If unsure, say N. ++ ++config GPIOMMC_CONFIGFS ++ bool ++ depends on GPIOMMC && CONFIGFS_FS ++ default y ++ help ++ This option automatically enables configfs support for gpiommc ++ if configfs is available. ++ + config MMC_CB710 + tristate "ENE CB710 MMC/SD Interface support" + depends on PCI +--- a/drivers/mmc/host/Makefile ++++ b/drivers/mmc/host/Makefile +@@ -37,6 +37,7 @@ tmio_mmc_core-$(subst m,y,$(CONFIG_MMC_S + obj-$(CONFIG_MMC_SDHI) += sh_mobile_sdhi.o + obj-$(CONFIG_MMC_CB710) += cb710-mmc.o + obj-$(CONFIG_MMC_VIA_SDMMC) += via-sdmmc.o ++obj-$(CONFIG_GPIOMMC) += gpiommc.o + obj-$(CONFIG_SDH_BFIN) += bfin_sdh.o + obj-$(CONFIG_MMC_DW) += dw_mmc.o + obj-$(CONFIG_MMC_SH_MMCIF) += sh_mmcif.o +--- /dev/null ++++ b/include/linux/mmc/gpiommc.h +@@ -0,0 +1,71 @@ ++/* ++ * Device driver for MMC/SD cards driven over a GPIO bus. ++ * ++ * Copyright (c) 2008 Michael Buesch ++ * ++ * Licensed under the GNU/GPL version 2. ++ */ ++#ifndef LINUX_GPIOMMC_H_ ++#define LINUX_GPIOMMC_H_ ++ ++#include <linux/types.h> ++ ++ ++#define GPIOMMC_MAX_NAMELEN 15 ++#define GPIOMMC_MAX_NAMELEN_STR __stringify(GPIOMMC_MAX_NAMELEN) ++ ++/** ++ * struct gpiommc_pins - Hardware pin assignments ++ * ++ * @gpio_di: The GPIO number of the DATA IN pin ++ * @gpio_do: The GPIO number of the DATA OUT pin ++ * @gpio_clk: The GPIO number of the CLOCK pin ++ * @gpio_cs: The GPIO number of the CHIPSELECT pin ++ * @cs_activelow: If true, the chip is considered selected if @gpio_cs is low. ++ */ ++struct gpiommc_pins { ++ unsigned int gpio_di; ++ unsigned int gpio_do; ++ unsigned int gpio_clk; ++ unsigned int gpio_cs; ++ bool cs_activelow; ++}; ++ ++/** ++ * struct gpiommc_platform_data - Platform data for a MMC-over-SPI-GPIO device. ++ * ++ * @name: The unique name string of the device. ++ * @pins: The hardware pin assignments. ++ * @mode: The hardware mode. This is either SPI_MODE_0, ++ * SPI_MODE_1, SPI_MODE_2 or SPI_MODE_3. See the SPI documentation. ++ * @no_spi_delay: Do not use delays in the lowlevel SPI bitbanging code. ++ * This is not standards compliant, but may be required for some ++ * embedded machines to gain reasonable speed. ++ * @max_bus_speed: The maximum speed of the SPI bus, in Hertz. ++ */ ++struct gpiommc_platform_data { ++ char name[GPIOMMC_MAX_NAMELEN + 1]; ++ struct gpiommc_pins pins; ++ u8 mode; ++ bool no_spi_delay; ++ unsigned int max_bus_speed; ++}; ++ ++/** ++ * GPIOMMC_PLATDEV_NAME - The platform device name string. ++ * ++ * The name string that has to be used for platform_device_alloc ++ * when allocating a gpiommc device. ++ */ ++#define GPIOMMC_PLATDEV_NAME "gpiommc" ++ ++/** ++ * gpiommc_next_id - Get another platform device ID number. ++ * ++ * This returns the next platform device ID number that has to be used ++ * for platform_device_alloc. The ID is opaque and should not be used for ++ * anything else. ++ */ ++int gpiommc_next_id(void); ++ ++#endif /* LINUX_GPIOMMC_H_ */ +--- /dev/null ++++ b/Documentation/gpiommc.txt +@@ -0,0 +1,97 @@ ++GPIOMMC - Driver for an MMC/SD card on a bitbanging GPIO SPI bus ++================================================================ ++ ++The gpiommc module hooks up the mmc_spi and spi_gpio modules for running an ++MMC or SD card on GPIO pins. ++ ++Two interfaces for registering a new MMC/SD card device are provided: ++A static platform-device based mechanism and a dynamic configfs based interface. ++ ++ ++Registering devices via platform-device ++======================================= ++ ++The platform-device interface is used for registering MMC/SD devices that are ++part of the hardware platform. This is most useful only for embedded machines ++with MMC/SD devices statically connected to the platform GPIO bus. ++ ++The data structures are declared in <linux/mmc/gpiommc.h>. ++ ++To register a new device, define an instance of struct gpiommc_platform_data. ++This structure holds any information about how the device is hooked up to the ++GPIO pins and what hardware modes the device supports. See the docbook-style ++documentation in the header file for more information on the struct fields. ++ ++Then allocate a new instance of a platform device by doing: ++ ++ pdev = platform_device_alloc(GPIOMMC_PLATDEV_NAME, gpiommc_next_id()); ++ ++This will allocate the platform device data structures and hook it up to the ++gpiommc driver. ++Then add the gpiommc_platform_data to the platform device. ++ ++ err = platform_device_add_data(pdev, pdata, sizeof(struct gpiommc_platform_data)); ++ ++You may free the local instance of struct gpiommc_platform_data now. (So the ++struct may be allocated on the stack, too). ++Now simply register the platform device. ++ ++ err = platform_device_add(pdev); ++ ++Done. The gpiommc probe routine will be invoked now and you should see a kernel ++log message for the added device. ++ ++ ++Registering devices via configfs ++================================ ++ ++MMC/SD cards connected via GPIO often are a pretty dynamic thing, as for example ++selfmade hacks for soldering an MMC/SD card to standard GPIO pins on embedded ++hardware are a common situation. ++So we provide a dynamic interface to conveniently handle adding and removing ++devices from userspace, without the need to recompile the kernel. ++ ++The "gpiommc" subdirectory at the configfs mountpoint is used for handling ++the dynamic configuration. ++ ++To create a new device, it must first be allocated with mkdir. ++The following command will allocate a device named "my_mmc": ++ mkdir /config/gpiommc/my_mmc ++ ++There are several configuration files available in the new ++/config/gpiommc/my_mmc/ directory: ++ ++gpio_data_in = The SPI data-IN GPIO pin number. ++gpio_data_out = The SPI data-OUT GPIO pin number. ++gpio_clock = The SPI Clock GPIO pin number. ++gpio_chipselect = The SPI Chipselect GPIO pin number. ++gpio_chipselect_activelow = Boolean. If 0, Chipselect is active-HIGH. ++ If 1, Chipselect is active-LOW. ++spi_mode = The SPI data mode. Can be 0-3. ++spi_delay = Enable all delays in the lowlevel bitbanging. ++max_bus_speed = The maximum SPI bus speed. In Hertz. ++ ++register = Not a configuration parameter. ++ Used to register the configured card ++ with the kernel. ++ ++The device must first get configured and then registered by writing "1" to ++the "register" file. ++The configuration parameters "gpio_data_in", "gpio_data_out", "gpio_clock" ++and "gpio_chipselect" are essential and _must_ be configured before writing ++"1" to the "register" file. The registration will fail, otherwise. ++ ++The default values for the other parameters are: ++gpio_chipselect_activelow = 1 (CS active-LOW) ++spi_mode = 0 (SPI_MODE_0) ++spi_delay = 1 (enabled) ++max_bus_speed = 5000000 (5 Mhz) ++ ++Configuration values can not be changed after registration. To unregister ++the device, write a "0" to the "register" file. The configuration can be ++changed again after unregistering. ++ ++To completely remove the device, simply rmdir the directory ++(/config/gpiommc/my_mmc in this example). ++There's no need to first unregister the device before removing it. That will ++be done automatically. +--- a/MAINTAINERS ++++ b/MAINTAINERS +@@ -3045,6 +3045,11 @@ L: linuxppc-dev@lists.ozlabs.org + S: Odd Fixes + F: drivers/tty/hvc/ + ++GPIOMMC DRIVER ++P: Michael Buesch ++M: mb@bu3sch.de ++S: Maintained ++ + HARDWARE MONITORING + M: Jean Delvare <khali@linux-fr.org> + M: Guenter Roeck <guenter.roeck@ericsson.com> diff --git a/target/linux/generic/patches-3.6/864-gpiommc_configfs_locking.patch b/target/linux/generic/patches-3.6/864-gpiommc_configfs_locking.patch new file mode 100644 index 0000000000..d4201eb508 --- /dev/null +++ b/target/linux/generic/patches-3.6/864-gpiommc_configfs_locking.patch @@ -0,0 +1,58 @@ +The gpiommc configfs context structure needs locking, as configfs +does not lock access between files. + +--- a/drivers/mmc/host/gpiommc.c ++++ b/drivers/mmc/host/gpiommc.c +@@ -144,6 +144,8 @@ struct gpiommc_configfs_device { + struct platform_device *pdev; + /* The configuration */ + struct gpiommc_platform_data pdata; ++ /* Mutex to protect this structure */ ++ struct mutex mutex; + }; + + #define GPIO_INVALID -1 +@@ -234,6 +236,8 @@ static ssize_t gpiommc_config_attr_show( + unsigned int gpio; + int err = 0; + ++ mutex_lock(&dev->mutex); ++ + if (attr == &gpiommc_attr_DI) { + gpio = dev->pdata.pins.gpio_di; + if (gpio == GPIO_INVALID) +@@ -294,6 +298,8 @@ static ssize_t gpiommc_config_attr_show( + WARN_ON(1); + err = -ENOSYS; + out: ++ mutex_unlock(&dev->mutex); ++ + return err ? err : count; + } + +@@ -353,6 +359,8 @@ static ssize_t gpiommc_config_attr_store + int err = -EINVAL; + unsigned long data; + ++ mutex_lock(&dev->mutex); ++ + if (attr == &gpiommc_attr_register) { + err = strict_strtoul(page, 10, &data); + if (err) +@@ -478,6 +486,8 @@ static ssize_t gpiommc_config_attr_store + WARN_ON(1); + err = -ENOSYS; + out: ++ mutex_unlock(&dev->mutex); ++ + return err ? err : count; + } + +@@ -514,6 +524,7 @@ static struct config_item *gpiommc_make_ + if (!dev) + return NULL; + ++ mutex_init(&dev->mutex); + config_item_init_type_name(&dev->item, name, + &gpiommc_dev_ci_type); + diff --git a/target/linux/generic/patches-3.6/865-gpiopwm.patch b/target/linux/generic/patches-3.6/865-gpiopwm.patch new file mode 100644 index 0000000000..015f14ab31 --- /dev/null +++ b/target/linux/generic/patches-3.6/865-gpiopwm.patch @@ -0,0 +1,21 @@ +--- a/drivers/Kconfig ++++ b/drivers/Kconfig +@@ -60,6 +60,8 @@ source "drivers/pinctrl/Kconfig" + + source "drivers/gpio/Kconfig" + ++source "drivers/pwm/Kconfig" ++ + source "drivers/w1/Kconfig" + + source "drivers/power/Kconfig" +--- a/drivers/Makefile ++++ b/drivers/Makefile +@@ -8,6 +8,7 @@ + # GPIO must come after pinctrl as gpios may need to mux pins etc + obj-y += pinctrl/ + obj-y += gpio/ ++obj-$(CONFIG_GENERIC_PWM) += pwm/ + obj-$(CONFIG_PCI) += pci/ + obj-$(CONFIG_PARISC) += parisc/ + obj-$(CONFIG_RAPIDIO) += rapidio/ diff --git a/target/linux/generic/patches-3.6/870-hifn795x_byteswap.patch b/target/linux/generic/patches-3.6/870-hifn795x_byteswap.patch new file mode 100644 index 0000000000..3a37c951ec --- /dev/null +++ b/target/linux/generic/patches-3.6/870-hifn795x_byteswap.patch @@ -0,0 +1,17 @@ +--- a/drivers/crypto/hifn_795x.c ++++ b/drivers/crypto/hifn_795x.c +@@ -682,12 +682,12 @@ static inline u32 hifn_read_1(struct hif + + static inline void hifn_write_0(struct hifn_device *dev, u32 reg, u32 val) + { +- writel((__force u32)cpu_to_le32(val), dev->bar[0] + reg); ++ writel(val, dev->bar[0] + reg); + } + + static inline void hifn_write_1(struct hifn_device *dev, u32 reg, u32 val) + { +- writel((__force u32)cpu_to_le32(val), dev->bar[1] + reg); ++ writel(val, dev->bar[1] + reg); + } + + static void hifn_wait_puc(struct hifn_device *dev) diff --git a/target/linux/generic/patches-3.6/880-gateworks_system_controller.patch b/target/linux/generic/patches-3.6/880-gateworks_system_controller.patch new file mode 100644 index 0000000000..981610dad1 --- /dev/null +++ b/target/linux/generic/patches-3.6/880-gateworks_system_controller.patch @@ -0,0 +1,339 @@ +--- a/drivers/hwmon/Kconfig ++++ b/drivers/hwmon/Kconfig +@@ -423,6 +423,15 @@ config SENSORS_GL520SM + This driver can also be built as a module. If so, the module + will be called gl520sm. + ++config SENSORS_GSC ++ tristate "Gateworks System Controller" ++ depends on I2C && (ARCH_DAVINCI || ARCH_CNS3XXX || ARCH_IXP4XX) ++ help ++ If you say yes here you get support for the Gateworks System Controller. ++ ++ This driver can also be built as a module. If so, the module ++ will be called gsc. ++ + config SENSORS_GPIO_FAN + tristate "GPIO fan" + depends on GENERIC_GPIO +--- a/drivers/hwmon/Makefile ++++ b/drivers/hwmon/Makefile +@@ -125,6 +125,7 @@ obj-$(CONFIG_SENSORS_W83L785TS) += w83l7 + obj-$(CONFIG_SENSORS_W83L786NG) += w83l786ng.o + obj-$(CONFIG_SENSORS_WM831X) += wm831x-hwmon.o + obj-$(CONFIG_SENSORS_WM8350) += wm8350-hwmon.o ++obj-$(CONFIG_SENSORS_GSC) += gsc.o + + obj-$(CONFIG_PMBUS) += pmbus/ + +--- /dev/null ++++ b/drivers/hwmon/gsc.c +@@ -0,0 +1,308 @@ ++/* ++ * A hwmon driver for the Gateworks System Controller ++ * Copyright (C) 2009 Gateworks Corporation ++ * ++ * Author: Chris Lang <clang@gateworks.com> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License, ++ * as published by the Free Software Foundation - version 2. ++ */ ++ ++#include <linux/module.h> ++#include <linux/i2c.h> ++#include <linux/hwmon.h> ++#include <linux/hwmon-sysfs.h> ++#include <linux/err.h> ++#include <linux/slab.h> ++ ++#define DRV_VERSION "0.2" ++ ++enum chips { gsp }; ++ ++/* AD7418 registers */ ++#define GSP_REG_TEMP_IN 0x00 ++#define GSP_REG_VIN 0x02 ++#define GSP_REG_3P3 0x05 ++#define GSP_REG_BAT 0x08 ++#define GSP_REG_5P0 0x0b ++#define GSP_REG_CORE 0x0e ++#define GSP_REG_CPU1 0x11 ++#define GSP_REG_CPU2 0x14 ++#define GSP_REG_DRAM 0x17 ++#define GSP_REG_EXT_BAT 0x1a ++#define GSP_REG_IO1 0x1d ++#define GSP_REG_IO2 0x20 ++#define GSP_REG_PCIE 0x23 ++#define GSP_REG_CURRENT 0x26 ++#define GSP_FAN_0 0x2C ++#define GSP_FAN_1 0x2E ++#define GSP_FAN_2 0x30 ++#define GSP_FAN_3 0x32 ++#define GSP_FAN_4 0x34 ++#define GSP_FAN_5 0x36 ++ ++struct gsp_sensor_info { ++ const char* name; ++ int reg; ++}; ++ ++static const struct gsp_sensor_info gsp_sensors[] = { ++ {"temp", GSP_REG_TEMP_IN}, ++ {"vin", GSP_REG_VIN}, ++ {"3p3", GSP_REG_3P3}, ++ {"bat", GSP_REG_BAT}, ++ {"5p0", GSP_REG_5P0}, ++ {"core", GSP_REG_CORE}, ++ {"cpu1", GSP_REG_CPU1}, ++ {"cpu2", GSP_REG_CPU2}, ++ {"dram", GSP_REG_DRAM}, ++ {"ext_bat", GSP_REG_EXT_BAT}, ++ {"io1", GSP_REG_IO1}, ++ {"io2", GSP_REG_IO2}, ++ {"pci2", GSP_REG_PCIE}, ++ {"current", GSP_REG_CURRENT}, ++ {"fan_point0", GSP_FAN_0}, ++ {"fan_point1", GSP_FAN_1}, ++ {"fan_point2", GSP_FAN_2}, ++ {"fan_point3", GSP_FAN_3}, ++ {"fan_point4", GSP_FAN_4}, ++ {"fan_point5", GSP_FAN_5}, ++}; ++ ++struct gsp_data { ++ struct device *hwmon_dev; ++ struct attribute_group attrs; ++ enum chips type; ++}; ++ ++static int gsp_probe(struct i2c_client *client, ++ const struct i2c_device_id *id); ++static int gsp_remove(struct i2c_client *client); ++ ++static const struct i2c_device_id gsp_id[] = { ++ { "gsp", 0 }, ++ { } ++}; ++MODULE_DEVICE_TABLE(i2c, gsp_id); ++ ++static struct i2c_driver gsp_driver = { ++ .driver = { ++ .name = "gsp", ++ }, ++ .probe = gsp_probe, ++ .remove = gsp_remove, ++ .id_table = gsp_id, ++}; ++ ++/* All registers are word-sized, except for the configuration registers. ++ * AD7418 uses a high-byte first convention. Do NOT use those functions to ++ * access the configuration registers CONF and CONF2, as they are byte-sized. ++ */ ++static inline int gsp_read(struct i2c_client *client, u8 reg) ++{ ++ unsigned int adc = 0; ++ if (reg == GSP_REG_TEMP_IN || reg > GSP_REG_CURRENT) ++ { ++ adc |= i2c_smbus_read_byte_data(client, reg); ++ adc |= i2c_smbus_read_byte_data(client, reg + 1) << 8; ++ return adc; ++ } ++ else ++ { ++ adc |= i2c_smbus_read_byte_data(client, reg); ++ adc |= i2c_smbus_read_byte_data(client, reg + 1) << 8; ++ adc |= i2c_smbus_read_byte_data(client, reg + 2) << 16; ++ return adc; ++ } ++} ++ ++static inline int gsp_write(struct i2c_client *client, u8 reg, u16 value) ++{ ++ i2c_smbus_write_byte_data(client, reg, value & 0xff); ++ i2c_smbus_write_byte_data(client, reg + 1, ((value >> 8) & 0xff)); ++ return 1; ++} ++ ++static ssize_t show_adc(struct device *dev, struct device_attribute *devattr, ++ char *buf) ++{ ++ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); ++ struct i2c_client *client = to_i2c_client(dev); ++ return sprintf(buf, "%d\n", gsp_read(client, gsp_sensors[attr->index].reg)); ++} ++ ++static ssize_t show_label(struct device *dev, ++ struct device_attribute *devattr, char *buf) ++{ ++ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); ++ ++ return sprintf(buf, "%s\n", gsp_sensors[attr->index].name); ++} ++ ++static ssize_t store_fan(struct device *dev, ++ struct device_attribute *devattr, const char *buf, size_t count) ++{ ++ u16 val; ++ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); ++ struct i2c_client *client = to_i2c_client(dev); ++ val = simple_strtoul(buf, NULL, 10); ++ gsp_write(client, gsp_sensors[attr->index].reg, val); ++ return count; ++} ++ ++static SENSOR_DEVICE_ATTR(temp0_input, S_IRUGO, show_adc, NULL, 0); ++static SENSOR_DEVICE_ATTR(temp0_label, S_IRUGO, show_label, NULL, 0); ++ ++static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_adc, NULL, 1); ++static SENSOR_DEVICE_ATTR(in0_label, S_IRUGO, show_label, NULL, 1); ++static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_adc, NULL, 2); ++static SENSOR_DEVICE_ATTR(in1_label, S_IRUGO, show_label, NULL, 2); ++static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_adc, NULL, 3); ++static SENSOR_DEVICE_ATTR(in2_label, S_IRUGO, show_label, NULL, 3); ++static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_adc, NULL, 4); ++static SENSOR_DEVICE_ATTR(in3_label, S_IRUGO, show_label, NULL, 4); ++static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_adc, NULL, 5); ++static SENSOR_DEVICE_ATTR(in4_label, S_IRUGO, show_label, NULL, 5); ++static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_adc, NULL, 6); ++static SENSOR_DEVICE_ATTR(in5_label, S_IRUGO, show_label, NULL, 6); ++static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_adc, NULL, 7); ++static SENSOR_DEVICE_ATTR(in6_label, S_IRUGO, show_label, NULL, 7); ++static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_adc, NULL, 8); ++static SENSOR_DEVICE_ATTR(in7_label, S_IRUGO, show_label, NULL, 8); ++static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_adc, NULL, 9); ++static SENSOR_DEVICE_ATTR(in8_label, S_IRUGO, show_label, NULL, 9); ++static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_adc, NULL, 10); ++static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, show_label, NULL, 10); ++static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_adc, NULL, 11); ++static SENSOR_DEVICE_ATTR(in10_label, S_IRUGO, show_label, NULL, 11); ++static SENSOR_DEVICE_ATTR(in11_input, S_IRUGO, show_adc, NULL, 12); ++static SENSOR_DEVICE_ATTR(in11_label, S_IRUGO, show_label, NULL, 12); ++static SENSOR_DEVICE_ATTR(in12_input, S_IRUGO, show_adc, NULL, 13); ++static SENSOR_DEVICE_ATTR(in12_label, S_IRUGO, show_label, NULL, 13); ++ ++static SENSOR_DEVICE_ATTR(fan0_point0, S_IRUGO | S_IWUSR, show_adc, store_fan, 14); ++static SENSOR_DEVICE_ATTR(fan0_point1, S_IRUGO | S_IWUSR, show_adc, store_fan, 15); ++static SENSOR_DEVICE_ATTR(fan0_point2, S_IRUGO | S_IWUSR, show_adc, store_fan, 16); ++static SENSOR_DEVICE_ATTR(fan0_point3, S_IRUGO | S_IWUSR, show_adc, store_fan, 17); ++static SENSOR_DEVICE_ATTR(fan0_point4, S_IRUGO | S_IWUSR, show_adc, store_fan, 18); ++static SENSOR_DEVICE_ATTR(fan0_point5, S_IRUGO | S_IWUSR, show_adc, store_fan, 19); ++ ++static struct attribute *gsp_attributes[] = { ++ &sensor_dev_attr_temp0_input.dev_attr.attr, ++ &sensor_dev_attr_in0_input.dev_attr.attr, ++ &sensor_dev_attr_in1_input.dev_attr.attr, ++ &sensor_dev_attr_in2_input.dev_attr.attr, ++ &sensor_dev_attr_in3_input.dev_attr.attr, ++ &sensor_dev_attr_in4_input.dev_attr.attr, ++ &sensor_dev_attr_in5_input.dev_attr.attr, ++ &sensor_dev_attr_in6_input.dev_attr.attr, ++ &sensor_dev_attr_in7_input.dev_attr.attr, ++ &sensor_dev_attr_in8_input.dev_attr.attr, ++ &sensor_dev_attr_in9_input.dev_attr.attr, ++ &sensor_dev_attr_in10_input.dev_attr.attr, ++ &sensor_dev_attr_in11_input.dev_attr.attr, ++ &sensor_dev_attr_in12_input.dev_attr.attr, ++ ++ &sensor_dev_attr_temp0_label.dev_attr.attr, ++ &sensor_dev_attr_in0_label.dev_attr.attr, ++ &sensor_dev_attr_in1_label.dev_attr.attr, ++ &sensor_dev_attr_in2_label.dev_attr.attr, ++ &sensor_dev_attr_in3_label.dev_attr.attr, ++ &sensor_dev_attr_in4_label.dev_attr.attr, ++ &sensor_dev_attr_in5_label.dev_attr.attr, ++ &sensor_dev_attr_in6_label.dev_attr.attr, ++ &sensor_dev_attr_in7_label.dev_attr.attr, ++ &sensor_dev_attr_in8_label.dev_attr.attr, ++ &sensor_dev_attr_in9_label.dev_attr.attr, ++ &sensor_dev_attr_in10_label.dev_attr.attr, ++ &sensor_dev_attr_in11_label.dev_attr.attr, ++ &sensor_dev_attr_in12_label.dev_attr.attr, ++ ++ &sensor_dev_attr_fan0_point0.dev_attr.attr, ++ &sensor_dev_attr_fan0_point1.dev_attr.attr, ++ &sensor_dev_attr_fan0_point2.dev_attr.attr, ++ &sensor_dev_attr_fan0_point3.dev_attr.attr, ++ &sensor_dev_attr_fan0_point4.dev_attr.attr, ++ &sensor_dev_attr_fan0_point5.dev_attr.attr, ++ NULL ++}; ++ ++ ++static int gsp_probe(struct i2c_client *client, ++ const struct i2c_device_id *id) ++{ ++ struct i2c_adapter *adapter = client->adapter; ++ struct gsp_data *data; ++ int err; ++ ++ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA | ++ I2C_FUNC_SMBUS_WORD_DATA)) { ++ err = -EOPNOTSUPP; ++ goto exit; ++ } ++ ++ if (!(data = kzalloc(sizeof(struct gsp_data), GFP_KERNEL))) { ++ err = -ENOMEM; ++ goto exit; ++ } ++ ++ i2c_set_clientdata(client, data); ++ ++ data->type = id->driver_data; ++ ++ switch (data->type) { ++ case 0: ++ data->attrs.attrs = gsp_attributes; ++ break; ++ } ++ ++ dev_info(&client->dev, "%s chip found\n", client->name); ++ ++ /* Register sysfs hooks */ ++ if ((err = sysfs_create_group(&client->dev.kobj, &data->attrs))) ++ goto exit_free; ++ ++ data->hwmon_dev = hwmon_device_register(&client->dev); ++ if (IS_ERR(data->hwmon_dev)) { ++ err = PTR_ERR(data->hwmon_dev); ++ goto exit_remove; ++ } ++ ++ return 0; ++ ++exit_remove: ++ sysfs_remove_group(&client->dev.kobj, &data->attrs); ++exit_free: ++ kfree(data); ++exit: ++ return err; ++} ++ ++static int gsp_remove(struct i2c_client *client) ++{ ++ struct gsp_data *data = i2c_get_clientdata(client); ++ hwmon_device_unregister(data->hwmon_dev); ++ sysfs_remove_group(&client->dev.kobj, &data->attrs); ++ kfree(data); ++ return 0; ++} ++ ++static int __init gsp_init(void) ++{ ++ return i2c_add_driver(&gsp_driver); ++} ++ ++static void __exit gsp_exit(void) ++{ ++ i2c_del_driver(&gsp_driver); ++} ++ ++module_init(gsp_init); ++module_exit(gsp_exit); ++ ++MODULE_AUTHOR("Chris Lang <clang@gateworks.com>"); ++MODULE_DESCRIPTION("GSC HWMON driver"); ++MODULE_LICENSE("GPL"); ++MODULE_VERSION(DRV_VERSION); ++ diff --git a/target/linux/generic/patches-3.6/900-slab_maxsize.patch b/target/linux/generic/patches-3.6/900-slab_maxsize.patch new file mode 100644 index 0000000000..1c9569450a --- /dev/null +++ b/target/linux/generic/patches-3.6/900-slab_maxsize.patch @@ -0,0 +1,13 @@ +--- a/include/linux/slab.h ++++ b/include/linux/slab.h +@@ -127,8 +127,8 @@ unsigned int kmem_cache_size(struct kmem + * to do various tricks to work around compiler limitations in order to + * ensure proper constant folding. + */ +-#define KMALLOC_SHIFT_HIGH ((MAX_ORDER + PAGE_SHIFT - 1) <= 25 ? \ +- (MAX_ORDER + PAGE_SHIFT - 1) : 25) ++#define KMALLOC_SHIFT_HIGH ((MAX_ORDER + PAGE_SHIFT - 1) <= 17 ? \ ++ (MAX_ORDER + PAGE_SHIFT - 1) : 17) + + #define KMALLOC_MAX_SIZE (1UL << KMALLOC_SHIFT_HIGH) + #define KMALLOC_MAX_ORDER (KMALLOC_SHIFT_HIGH - PAGE_SHIFT) diff --git a/target/linux/generic/patches-3.6/910-kobject_uevent.patch b/target/linux/generic/patches-3.6/910-kobject_uevent.patch new file mode 100644 index 0000000000..aa9a40f099 --- /dev/null +++ b/target/linux/generic/patches-3.6/910-kobject_uevent.patch @@ -0,0 +1,21 @@ +--- a/lib/kobject_uevent.c ++++ b/lib/kobject_uevent.c +@@ -50,6 +50,18 @@ static const char *kobject_actions[] = { + [KOBJ_OFFLINE] = "offline", + }; + ++u64 uevent_next_seqnum(void) ++{ ++ u64 seq; ++ ++ mutex_lock(&uevent_sock_mutex); ++ seq = ++uevent_seqnum; ++ mutex_unlock(&uevent_sock_mutex); ++ ++ return seq; ++} ++EXPORT_SYMBOL_GPL(uevent_next_seqnum); ++ + /** + * kobject_action_type - translate action string to numeric type + * diff --git a/target/linux/generic/patches-3.6/911-kobject_add_broadcast_uevent.patch b/target/linux/generic/patches-3.6/911-kobject_add_broadcast_uevent.patch new file mode 100644 index 0000000000..104df13bf2 --- /dev/null +++ b/target/linux/generic/patches-3.6/911-kobject_add_broadcast_uevent.patch @@ -0,0 +1,85 @@ +--- a/include/linux/kobject.h ++++ b/include/linux/kobject.h +@@ -31,6 +31,8 @@ + #define UEVENT_NUM_ENVP 32 /* number of env pointers */ + #define UEVENT_BUFFER_SIZE 2048 /* buffer for the variables */ + ++struct sk_buff; ++ + /* path to the userspace helper executed on an event */ + extern char uevent_helper[]; + +@@ -213,6 +215,10 @@ int add_uevent_var(struct kobj_uevent_en + + int kobject_action_type(const char *buf, size_t count, + enum kobject_action *type); ++ ++int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group, ++ gfp_t allocation); ++ + #else + static inline int kobject_uevent(struct kobject *kobj, + enum kobject_action action) +@@ -229,6 +235,16 @@ int add_uevent_var(struct kobj_uevent_en + static inline int kobject_action_type(const char *buf, size_t count, + enum kobject_action *type) + { return -EINVAL; } ++ ++void kfree_skb(struct sk_buff *); ++ ++static inline int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group, ++ gfp_t allocation) ++{ ++ kfree_skb(skb); ++ return 0; ++} ++ + #endif + + #endif /* _KOBJECT_H_ */ +--- a/lib/kobject_uevent.c ++++ b/lib/kobject_uevent.c +@@ -381,6 +381,43 @@ int add_uevent_var(struct kobj_uevent_en + EXPORT_SYMBOL_GPL(add_uevent_var); + + #if defined(CONFIG_NET) ++int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group, ++ gfp_t allocation) ++{ ++ struct uevent_sock *ue_sk; ++ int err = 0; ++ ++ /* send netlink message */ ++ mutex_lock(&uevent_sock_mutex); ++ list_for_each_entry(ue_sk, &uevent_sock_list, list) { ++ struct sock *uevent_sock = ue_sk->sk; ++ struct sk_buff *skb2; ++ ++ skb2 = skb_clone(skb, allocation); ++ if (!skb2) ++ break; ++ ++ err = netlink_broadcast(uevent_sock, skb2, pid, group, ++ allocation); ++ if (err) ++ break; ++ } ++ mutex_unlock(&uevent_sock_mutex); ++ ++ kfree_skb(skb); ++ return err; ++} ++#else ++int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group, ++ gfp_t allocation) ++{ ++ kfree_skb(skb); ++ return 0; ++} ++#endif ++EXPORT_SYMBOL_GPL(broadcast_uevent); ++ ++#if defined(CONFIG_NET) + static int uevent_net_init(struct net *net) + { + struct uevent_sock *ue_sk; diff --git a/target/linux/generic/patches-3.6/920-unable_to_open_console.patch b/target/linux/generic/patches-3.6/920-unable_to_open_console.patch new file mode 100644 index 0000000000..11f67dc2c9 --- /dev/null +++ b/target/linux/generic/patches-3.6/920-unable_to_open_console.patch @@ -0,0 +1,11 @@ +--- a/init/main.c ++++ b/init/main.c +@@ -816,7 +816,7 @@ static int __init kernel_init(void * unu + + /* Open the /dev/console on the rootfs, this should never fail */ + if (sys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0) +- printk(KERN_WARNING "Warning: unable to open an initial console.\n"); ++ printk(KERN_WARNING "Please be patient, while OpenWrt loads ...\n"); + + (void) sys_dup(0); + (void) sys_dup(0); diff --git a/target/linux/generic/patches-3.6/921-use_preinit_as_init.patch b/target/linux/generic/patches-3.6/921-use_preinit_as_init.patch new file mode 100644 index 0000000000..a71251dcd7 --- /dev/null +++ b/target/linux/generic/patches-3.6/921-use_preinit_as_init.patch @@ -0,0 +1,14 @@ +--- a/init/main.c ++++ b/init/main.c +@@ -774,10 +774,7 @@ static noinline int init_post(void) + printk(KERN_WARNING "Failed to execute %s. Attempting " + "defaults...\n", execute_command); + } +- run_init_process("/sbin/init"); +- run_init_process("/etc/init"); +- run_init_process("/bin/init"); +- run_init_process("/bin/sh"); ++ run_init_process("/etc/preinit"); + + panic("No init found. Try passing init= option to kernel. " + "See Linux Documentation/init.txt for guidance."); diff --git a/target/linux/generic/patches-3.6/930-crashlog.patch b/target/linux/generic/patches-3.6/930-crashlog.patch new file mode 100644 index 0000000000..bce0ea40cc --- /dev/null +++ b/target/linux/generic/patches-3.6/930-crashlog.patch @@ -0,0 +1,285 @@ +--- /dev/null ++++ b/include/linux/crashlog.h +@@ -0,0 +1,17 @@ ++#ifndef __CRASHLOG_H ++#define __CRASHLOG_H ++ ++#ifdef CONFIG_CRASHLOG ++void crashlog_init_bootmem(struct bootmem_data *bdata); ++void crashlog_init_memblock(phys_addr_t addr, phys_addr_t size); ++#else ++static inline void crashlog_init_bootmem(struct bootmem_data *bdata) ++{ ++} ++ ++static inline void crashlog_init_memblock(phys_addr_t addr, phys_addr_t size) ++{ ++} ++#endif ++ ++#endif +--- a/init/Kconfig ++++ b/init/Kconfig +@@ -926,6 +926,10 @@ config RELAY + + If unsure, say N. + ++config CRASHLOG ++ bool "Crash logging" ++ depends on (!NO_BOOTMEM || HAVE_MEMBLOCK) && !ARM ++ + config BLK_DEV_INITRD + bool "Initial RAM filesystem and RAM disk (initramfs/initrd) support" + depends on BROKEN || !FRV +--- a/kernel/Makefile ++++ b/kernel/Makefile +@@ -107,6 +107,7 @@ obj-$(CONFIG_USER_RETURN_NOTIFIER) += us + obj-$(CONFIG_PADATA) += padata.o + obj-$(CONFIG_CRASH_DUMP) += crash_dump.o + obj-$(CONFIG_JUMP_LABEL) += jump_label.o ++obj-$(CONFIG_CRASHLOG) += crashlog.o + + $(obj)/configs.o: $(obj)/config_data.h + +--- /dev/null ++++ b/kernel/crashlog.c +@@ -0,0 +1,190 @@ ++/* ++ * Crash information logger ++ * Copyright (C) 2010 Felix Fietkau <nbd@openwrt.org> ++ * ++ * Based on ramoops.c ++ * Copyright (C) 2010 Marco Stornelli <marco.stornelli@gmail.com> ++ * ++ * This program is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU General Public License ++ * version 2 as published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope that it will be useful, but ++ * WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ++ * General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA ++ * 02110-1301 USA ++ * ++ */ ++ ++#include <linux/module.h> ++#include <linux/bootmem.h> ++#include <linux/memblock.h> ++#include <linux/debugfs.h> ++#include <linux/crashlog.h> ++#include <linux/kmsg_dump.h> ++#include <linux/module.h> ++#include <linux/pfn.h> ++#include <asm/io.h> ++ ++#define CRASHLOG_PAGES 4 ++#define CRASHLOG_SIZE (CRASHLOG_PAGES * PAGE_SIZE) ++#define CRASHLOG_MAGIC 0xa1eedead ++ ++/* ++ * Start the log at 1M before the end of RAM, as some boot loaders like ++ * to use the end of the RAM for stack usage and other things ++ * If this fails, fall back to using the last part. ++ */ ++#define CRASHLOG_OFFSET (1024 * 1024) ++ ++struct crashlog_data { ++ u32 magic; ++ u32 len; ++ u8 data[]; ++}; ++ ++static struct debugfs_blob_wrapper crashlog_blob; ++static unsigned long crashlog_addr = 0; ++static struct crashlog_data *crashlog_buf; ++static struct kmsg_dumper dump; ++static bool first = true; ++ ++extern struct list_head *crashlog_modules; ++ ++#ifndef CONFIG_NO_BOOTMEM ++void __init crashlog_init_bootmem(bootmem_data_t *bdata) ++{ ++ unsigned long addr; ++ ++ if (crashlog_addr) ++ return; ++ ++ addr = PFN_PHYS(bdata->node_low_pfn) - CRASHLOG_OFFSET; ++ if (reserve_bootmem(addr, CRASHLOG_SIZE, BOOTMEM_EXCLUSIVE) < 0) { ++ printk("Crashlog failed to allocate RAM at address 0x%lx\n", addr); ++ bdata->node_low_pfn -= CRASHLOG_PAGES; ++ addr = PFN_PHYS(bdata->node_low_pfn); ++ } ++ crashlog_addr = addr; ++} ++#endif ++ ++#ifdef CONFIG_HAVE_MEMBLOCK ++void __meminit crashlog_init_memblock(phys_addr_t addr, phys_addr_t size) ++{ ++ if (crashlog_addr) ++ return; ++ ++ addr += size - CRASHLOG_OFFSET; ++ if (memblock_reserve(addr, CRASHLOG_SIZE)) { ++ printk("Crashlog failed to allocate RAM at address 0x%lx\n", (unsigned long) addr); ++ return; ++ } ++ ++ crashlog_addr = addr; ++} ++#endif ++ ++static void __init crashlog_copy(void) ++{ ++ if (crashlog_buf->magic != CRASHLOG_MAGIC) ++ return; ++ ++ if (!crashlog_buf->len || crashlog_buf->len > ++ CRASHLOG_SIZE - sizeof(*crashlog_buf)) ++ return; ++ ++ crashlog_blob.size = crashlog_buf->len; ++ crashlog_blob.data = kmemdup(crashlog_buf->data, ++ crashlog_buf->len, GFP_KERNEL); ++ ++ debugfs_create_blob("crashlog", 0700, NULL, &crashlog_blob); ++} ++ ++static int get_maxlen(void) ++{ ++ return CRASHLOG_SIZE - sizeof(*crashlog_buf) - crashlog_buf->len; ++} ++ ++static void crashlog_printf(const char *fmt, ...) ++{ ++ va_list args; ++ int len = get_maxlen(); ++ ++ if (!len) ++ return; ++ ++ va_start(args, fmt); ++ crashlog_buf->len += vsnprintf( ++ &crashlog_buf->data[crashlog_buf->len], ++ len, fmt, args); ++ va_end(args); ++} ++ ++static void crashlog_do_dump(struct kmsg_dumper *dumper, ++ enum kmsg_dump_reason reason, const char *s1, unsigned long l1, ++ const char *s2, unsigned long l2) ++{ ++ unsigned long s1_start, s2_start; ++ unsigned long l1_cpy, l2_cpy; ++ struct timeval tv; ++ struct module *m; ++ char *buf; ++ int len; ++ ++ if (!first) ++ crashlog_printf("\n===================================\n"); ++ ++ do_gettimeofday(&tv); ++ crashlog_printf("Time: %lu.%lu\n", ++ (long)tv.tv_sec, (long)tv.tv_usec); ++ ++ if (first) { ++ crashlog_printf("Modules:"); ++ list_for_each_entry(m, crashlog_modules, list) { ++ crashlog_printf("\t%s@%p+%x", m->name, ++ m->module_core, m->core_size, ++ m->module_init, m->init_size); ++ } ++ crashlog_printf("\n"); ++ first = false; ++ } ++ ++ buf = (char *)&crashlog_buf->data[crashlog_buf->len]; ++ len = get_maxlen(); ++ ++ l2_cpy = min(l2, (unsigned long)len); ++ l1_cpy = min(l1, (unsigned long)len - l2_cpy); ++ ++ s2_start = l2 - l2_cpy; ++ s1_start = l1 - l1_cpy; ++ ++ memcpy(buf, s1 + s1_start, l1_cpy); ++ memcpy(buf + l1_cpy, s2 + s2_start, l2_cpy); ++ crashlog_buf->len += l1_cpy + l2_cpy; ++} ++ ++ ++int __init crashlog_init_fs(void) ++{ ++ if (!crashlog_addr) ++ return -ENOMEM; ++ ++ crashlog_buf = ioremap(crashlog_addr, CRASHLOG_SIZE); ++ ++ crashlog_copy(); ++ ++ crashlog_buf->magic = CRASHLOG_MAGIC; ++ crashlog_buf->len = 0; ++ ++ dump.dump = crashlog_do_dump; ++ kmsg_dump_register(&dump); ++ ++ return 0; ++} ++module_init(crashlog_init_fs); +--- a/mm/bootmem.c ++++ b/mm/bootmem.c +@@ -15,6 +15,7 @@ + #include <linux/export.h> + #include <linux/kmemleak.h> + #include <linux/range.h> ++#include <linux/crashlog.h> + #include <linux/memblock.h> + + #include <asm/bug.h> +@@ -177,6 +178,7 @@ static unsigned long __init free_all_boo + if (!bdata->node_bootmem_map) + return 0; + ++ crashlog_init_bootmem(bdata); + start = bdata->node_min_pfn; + end = bdata->node_low_pfn; + +--- a/kernel/module.c ++++ b/kernel/module.c +@@ -101,6 +101,9 @@ static LIST_HEAD(modules); + #ifdef CONFIG_KGDB_KDB + struct list_head *kdb_modules = &modules; /* kdb needs the list of modules */ + #endif /* CONFIG_KGDB_KDB */ ++#ifdef CONFIG_CRASHLOG ++struct list_head *crashlog_modules = &modules; ++#endif + + + /* Block module loading/unloading? */ +--- a/mm/memblock.c ++++ b/mm/memblock.c +@@ -19,6 +19,7 @@ + #include <linux/debugfs.h> + #include <linux/seq_file.h> + #include <linux/memblock.h> ++#include <linux/crashlog.h> + + static struct memblock_region memblock_memory_init_regions[INIT_MEMBLOCK_REGIONS] __initdata_memblock; + static struct memblock_region memblock_reserved_init_regions[INIT_MEMBLOCK_REGIONS] __initdata_memblock; +@@ -305,6 +306,8 @@ static void __init_memblock memblock_ins + memblock_set_region_node(rgn, nid); + type->cnt++; + type->total_size += size; ++ if (type == &memblock.memory && idx == 0) ++ crashlog_init_memblock(base, size); + } + + /** diff --git a/target/linux/generic/patches-3.6/940-ocf_kbuild_integration.patch b/target/linux/generic/patches-3.6/940-ocf_kbuild_integration.patch new file mode 100644 index 0000000000..b5cce90a1b --- /dev/null +++ b/target/linux/generic/patches-3.6/940-ocf_kbuild_integration.patch @@ -0,0 +1,20 @@ +--- a/crypto/Kconfig ++++ b/crypto/Kconfig +@@ -968,3 +968,6 @@ config CRYPTO_USER_API_SKCIPHER + source "drivers/crypto/Kconfig" + + endif # if CRYPTO ++ ++source "crypto/ocf/Kconfig" ++ +--- a/crypto/Makefile ++++ b/crypto/Makefile +@@ -92,6 +92,8 @@ obj-$(CONFIG_CRYPTO_USER_API) += af_alg. + obj-$(CONFIG_CRYPTO_USER_API_HASH) += algif_hash.o + obj-$(CONFIG_CRYPTO_USER_API_SKCIPHER) += algif_skcipher.o + ++obj-$(CONFIG_OCF_OCF) += ocf/ ++ + # + # generic algorithms and the async_tx api + # diff --git a/target/linux/generic/patches-3.6/941-ocf_20120127.patch b/target/linux/generic/patches-3.6/941-ocf_20120127.patch new file mode 100644 index 0000000000..794627a854 --- /dev/null +++ b/target/linux/generic/patches-3.6/941-ocf_20120127.patch @@ -0,0 +1,164 @@ +--- a/drivers/char/random.c ++++ b/drivers/char/random.c +@@ -131,6 +131,9 @@ + * void add_interrupt_randomness(int irq, int irq_flags); + * void add_disk_randomness(struct gendisk *disk); + * ++ * void random_input_words(__u32 *buf, size_t wordcount, int ent_count) ++ * int random_input_wait(void); ++ * + * add_input_randomness() uses the input layer interrupt timing, as well as + * the event type information from the hardware. + * +@@ -152,6 +155,13 @@ + * seek times do not make for good sources of entropy, as their seek + * times are usually fairly consistent. + * ++ * random_input_words() just provides a raw block of entropy to the input ++ * pool, such as from a hardware entropy generator. ++ * ++ * random_input_wait() suspends the caller until such time as the ++ * entropy pool falls below the write threshold, and returns a count of how ++ * much entropy (in bits) is needed to sustain the pool. ++ * + * All of these routines try to estimate how many bits of randomness a + * particular randomness source. They do this by keeping track of the + * first and second order deltas of the event timings. +@@ -796,6 +806,63 @@ void add_disk_randomness(struct gendisk + } + #endif + ++/* ++ * random_input_words - add bulk entropy to pool ++ * ++ * @buf: buffer to add ++ * @wordcount: number of __u32 words to add ++ * @ent_count: total amount of entropy (in bits) to credit ++ * ++ * this provides bulk input of entropy to the input pool ++ * ++ */ ++void random_input_words(__u32 *buf, size_t wordcount, int ent_count) ++{ ++ mix_pool_bytes(&input_pool, buf, wordcount*4, NULL); ++ ++ credit_entropy_bits(&input_pool, ent_count); ++ ++ DEBUG_ENT("crediting %d bits => %d\n", ++ ent_count, input_pool.entropy_count); ++ /* ++ * Wake up waiting processes if we have enough ++ * entropy. ++ */ ++ if (input_pool.entropy_count >= random_read_wakeup_thresh) ++ wake_up_interruptible(&random_read_wait); ++} ++EXPORT_SYMBOL(random_input_words); ++ ++/* ++ * random_input_wait - wait until random needs entropy ++ * ++ * this function sleeps until the /dev/random subsystem actually ++ * needs more entropy, and then return the amount of entropy ++ * that it would be nice to have added to the system. ++ */ ++int random_input_wait(void) ++{ ++ int count; ++ ++ wait_event_interruptible(random_write_wait, ++ input_pool.entropy_count < random_write_wakeup_thresh); ++ ++ count = random_write_wakeup_thresh - input_pool.entropy_count; ++ ++ /* likely we got woken up due to a signal */ ++ if (count <= 0) count = random_read_wakeup_thresh; ++ ++ DEBUG_ENT("requesting %d bits from input_wait()er %d<%d\n", ++ count, ++ input_pool.entropy_count, random_write_wakeup_thresh); ++ ++ return count; ++} ++EXPORT_SYMBOL(random_input_wait); ++ ++ ++#define EXTRACT_SIZE 10 ++ + /********************************************************************* + * + * Entropy extraction routines +--- a/fs/fcntl.c ++++ b/fs/fcntl.c +@@ -142,6 +142,7 @@ SYSCALL_DEFINE1(dup, unsigned int, filde + } + return ret; + } ++EXPORT_SYMBOL(sys_dup); + + #define SETFL_MASK (O_APPEND | O_NONBLOCK | O_NDELAY | O_DIRECT | O_NOATIME) + +--- a/include/linux/miscdevice.h ++++ b/include/linux/miscdevice.h +@@ -19,6 +19,7 @@ + #define APOLLO_MOUSE_MINOR 7 + #define PC110PAD_MINOR 9 + /*#define ADB_MOUSE_MINOR 10 FIXME OBSOLETE */ ++#define CRYPTODEV_MINOR 70 /* /dev/crypto */ + #define WATCHDOG_MINOR 130 /* Watchdog timer */ + #define TEMP_MINOR 131 /* Temperature Sensor */ + #define RTC_MINOR 135 +--- a/include/linux/random.h ++++ b/include/linux/random.h +@@ -34,6 +34,30 @@ + /* Clear the entropy pool and associated counters. (Superuser only.) */ + #define RNDCLEARPOOL _IO( 'R', 0x06 ) + ++#ifdef CONFIG_FIPS_RNG ++ ++/* Size of seed value - equal to AES blocksize */ ++#define AES_BLOCK_SIZE_BYTES 16 ++#define SEED_SIZE_BYTES AES_BLOCK_SIZE_BYTES ++/* Size of AES key */ ++#define KEY_SIZE_BYTES 16 ++ ++/* ioctl() structure used by FIPS 140-2 Tests */ ++struct rand_fips_test { ++ unsigned char key[KEY_SIZE_BYTES]; /* Input */ ++ unsigned char datetime[SEED_SIZE_BYTES]; /* Input */ ++ unsigned char seed[SEED_SIZE_BYTES]; /* Input */ ++ unsigned char result[SEED_SIZE_BYTES]; /* Output */ ++}; ++ ++/* FIPS 140-2 RNG Variable Seed Test. (Superuser only.) */ ++#define RNDFIPSVST _IOWR('R', 0x10, struct rand_fips_test) ++ ++/* FIPS 140-2 RNG Monte Carlo Test. (Superuser only.) */ ++#define RNDFIPSMCT _IOWR('R', 0x11, struct rand_fips_test) ++ ++#endif /* #ifdef CONFIG_FIPS_RNG */ ++ + struct rand_pool_info { + int entropy_count; + int buf_size; +@@ -53,6 +77,10 @@ extern void add_input_randomness(unsigne + unsigned int value); + extern void add_interrupt_randomness(int irq, int irq_flags); + ++extern void random_input_words(__u32 *buf, size_t wordcount, int ent_count); ++extern int random_input_wait(void); ++#define HAS_RANDOM_INPUT_WAIT 1 ++ + extern void get_random_bytes(void *buf, int nbytes); + extern void get_random_bytes_arch(void *buf, int nbytes); + void generate_random_uuid(unsigned char uuid_out[16]); +--- a/kernel/pid.c ++++ b/kernel/pid.c +@@ -430,6 +430,7 @@ struct task_struct *find_task_by_vpid(pi + { + return find_task_by_pid_ns(vnr, current->nsproxy->pid_ns); + } ++EXPORT_SYMBOL(find_task_by_vpid); + + struct pid *get_task_pid(struct task_struct *task, enum pid_type type) + { diff --git a/target/linux/generic/patches-3.6/950-vm_exports.patch b/target/linux/generic/patches-3.6/950-vm_exports.patch new file mode 100644 index 0000000000..1cd970c805 --- /dev/null +++ b/target/linux/generic/patches-3.6/950-vm_exports.patch @@ -0,0 +1,117 @@ +--- a/mm/shmem.c ++++ b/mm/shmem.c +@@ -2490,6 +2490,16 @@ EXPORT_SYMBOL_GPL(shmem_truncate_range); + + /* common code */ + ++void shmem_set_file(struct vm_area_struct *vma, struct file *file) ++{ ++ if (vma->vm_file) ++ fput(vma->vm_file); ++ vma->vm_file = file; ++ vma->vm_ops = &shmem_vm_ops; ++ vma->vm_flags |= VM_CAN_NONLINEAR; ++} ++EXPORT_SYMBOL_GPL(shmem_set_file); ++ + /** + * shmem_file_setup - get an unlinked file living in tmpfs + * @name: name for dentry (to be seen in /proc/<pid>/maps +@@ -2567,11 +2577,8 @@ int shmem_zero_setup(struct vm_area_stru + if (IS_ERR(file)) + return PTR_ERR(file); + +- if (vma->vm_file) +- fput(vma->vm_file); +- vma->vm_file = file; +- vma->vm_ops = &shmem_vm_ops; +- vma->vm_flags |= VM_CAN_NONLINEAR; ++ shmem_set_file(vma, file); ++ + return 0; + } + +--- a/fs/file.c ++++ b/fs/file.c +@@ -268,6 +268,7 @@ int expand_files(struct files_struct *fi + /* All good, so we try */ + return expand_fdtable(files, nr); + } ++EXPORT_SYMBOL_GPL(expand_files); + + static int count_open_files(struct fdtable *fdt) + { +--- a/kernel/exit.c ++++ b/kernel/exit.c +@@ -500,6 +500,7 @@ struct files_struct *get_files_struct(st + + return files; + } ++EXPORT_SYMBOL_GPL(get_files_struct); + + void put_files_struct(struct files_struct *files) + { +@@ -521,6 +522,7 @@ void put_files_struct(struct files_struc + rcu_read_unlock(); + } + } ++EXPORT_SYMBOL_GPL(put_files_struct); + + void reset_files_struct(struct files_struct *files) + { +--- a/kernel/sched/core.c ++++ b/kernel/sched/core.c +@@ -3854,6 +3854,7 @@ int can_nice(const struct task_struct *p + return (nice_rlim <= task_rlimit(p, RLIMIT_NICE) || + capable(CAP_SYS_NICE)); + } ++EXPORT_SYMBOL_GPL(can_nice); + + #ifdef __ARCH_WANT_SYS_NICE + +--- a/mm/memory.c ++++ b/mm/memory.c +@@ -1412,6 +1412,7 @@ unsigned long zap_page_range(struct vm_a + tlb_finish_mmu(&tlb, address, end); + return end; + } ++EXPORT_SYMBOL_GPL(zap_page_range); + + /** + * zap_vma_ptes - remove ptes mapping the vma +@@ -3087,6 +3088,7 @@ static inline int check_stack_guard_page + } + return 0; + } ++EXPORT_SYMBOL_GPL(vmtruncate_range); + + /* + * We enter with non-exclusive mmap_sem (to exclude vma changes, +--- a/mm/vmalloc.c ++++ b/mm/vmalloc.c +@@ -1257,6 +1257,7 @@ void unmap_kernel_range(unsigned long ad + vunmap_page_range(addr, end); + flush_tlb_kernel_range(addr, end); + } ++EXPORT_SYMBOL_GPL(unmap_kernel_range); + + int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages) + { +@@ -1394,6 +1395,7 @@ struct vm_struct *get_vm_area(unsigned l + return __get_vm_area_node(size, 1, flags, VMALLOC_START, VMALLOC_END, + -1, GFP_KERNEL, __builtin_return_address(0)); + } ++EXPORT_SYMBOL_GPL(get_vm_area); + + struct vm_struct *get_vm_area_caller(unsigned long size, unsigned long flags, + void *caller) +--- a/include/linux/mm.h ++++ b/include/linux/mm.h +@@ -872,6 +872,7 @@ extern bool skip_free_areas_node(unsigne + + int shmem_lock(struct file *file, int lock, struct user_struct *user); + struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags); ++void shmem_set_file(struct vm_area_struct *vma, struct file *file); + int shmem_zero_setup(struct vm_area_struct *); + + extern int can_do_mlock(void); diff --git a/target/linux/generic/patches-3.6/960-decompress_unlzo_fix.patch b/target/linux/generic/patches-3.6/960-decompress_unlzo_fix.patch new file mode 100644 index 0000000000..ee7c118ef0 --- /dev/null +++ b/target/linux/generic/patches-3.6/960-decompress_unlzo_fix.patch @@ -0,0 +1,23 @@ +--- /dev/null ++++ b/include/linux/decompress/unlzo_mm.h +@@ -0,0 +1,10 @@ ++#ifndef UNLZO_MM_H ++#define UNLZO_MM_H ++ ++#ifdef STATIC ++#define INIT ++#else ++#define INIT __init ++#endif ++ ++#endif +--- a/lib/decompress_unlzo.c ++++ b/lib/decompress_unlzo.c +@@ -38,6 +38,7 @@ + + #include <linux/types.h> + #include <linux/lzo.h> ++#include <linux/decompress/unlzo_mm.h> + #include <linux/decompress/mm.h> + + #include <linux/compiler.h> diff --git a/target/linux/generic/patches-3.6/980-update_arm_machtypes.patch b/target/linux/generic/patches-3.6/980-update_arm_machtypes.patch new file mode 100644 index 0000000000..391511c8fd --- /dev/null +++ b/target/linux/generic/patches-3.6/980-update_arm_machtypes.patch @@ -0,0 +1,3618 @@ +--- a/arch/arm/tools/mach-types ++++ b/arch/arm/tools/mach-types +@@ -12,531 +12,3179 @@ + # + # http://www.arm.linux.org.uk/developer/machines/?action=new + # +-# This is a cut-down version of the file; it contains only machines that +-# are merged into mainline or have been edited in the machine database +-# within the last 12 months. References to machine_is_NAME() do not count! +-# +-# Last update: Tue Dec 6 11:07:38 2011 ++# Last update: Fri Apr 20 08:30:36 2012 + # + # machine_is_xxx CONFIG_xxxx MACH_TYPE_xxx number + # + ebsa110 ARCH_EBSA110 EBSA110 0 + riscpc ARCH_RPC RISCPC 1 ++nexuspci ARCH_NEXUSPCI NEXUSPCI 3 + ebsa285 ARCH_EBSA285 EBSA285 4 + netwinder ARCH_NETWINDER NETWINDER 5 + cats ARCH_CATS CATS 6 ++tbox ARCH_TBOX TBOX 7 ++co285 ARCH_CO285 CO285 8 ++clps7110 ARCH_CLPS7110 CLPS7110 9 ++archimedes ARCH_ARC ARCHIMEDES 10 ++a5k ARCH_A5K A5K 11 ++etoile ARCH_ETOILE ETOILE 12 ++lacie_nas ARCH_LACIE_NAS LACIE_NAS 13 ++clps7500 ARCH_CLPS7500 CLPS7500 14 + shark ARCH_SHARK SHARK 15 + brutus SA1100_BRUTUS BRUTUS 16 + personal_server ARCH_PERSONAL_SERVER PERSONAL_SERVER 17 ++itsy SA1100_ITSY ITSY 18 + l7200 ARCH_L7200 L7200 19 + pleb SA1100_PLEB PLEB 20 + integrator ARCH_INTEGRATOR INTEGRATOR 21 + h3600 SA1100_H3600 H3600 22 ++ixp1200 ARCH_IXP1200 IXP1200 23 + p720t ARCH_P720T P720T 24 + assabet SA1100_ASSABET ASSABET 25 ++victor SA1100_VICTOR VICTOR 26 + lart SA1100_LART LART 27 ++ranger SA1100_RANGER RANGER 28 + graphicsclient SA1100_GRAPHICSCLIENT GRAPHICSCLIENT 29 + xp860 SA1100_XP860 XP860 30 + cerf SA1100_CERF CERF 31 + nanoengine SA1100_NANOENGINE NANOENGINE 32 ++fpic SA1100_FPIC FPIC 33 ++extenex1 SA1100_EXTENEX1 EXTENEX1 34 ++sherman SA1100_SHERMAN SHERMAN 35 ++accelent_sa SA1100_ACCELENT ACCELENT_SA 36 ++accelent_l7200 ARCH_L7200_ACCELENT ACCELENT_L7200 37 ++netport SA1100_NETPORT NETPORT 38 ++pangolin SA1100_PANGOLIN PANGOLIN 39 ++yopy SA1100_YOPY YOPY 40 ++coolidge SA1100_COOLIDGE COOLIDGE 41 ++huw_webpanel SA1100_HUW_WEBPANEL HUW_WEBPANEL 42 ++spotme ARCH_SPOTME SPOTME 43 ++freebird ARCH_FREEBIRD FREEBIRD 44 ++ti925 ARCH_TI925 TI925 45 ++riscstation ARCH_RISCSTATION RISCSTATION 46 ++cavy SA1100_CAVY CAVY 47 + jornada720 SA1100_JORNADA720 JORNADA720 48 ++omnimeter SA1100_OMNIMETER OMNIMETER 49 + edb7211 ARCH_EDB7211 EDB7211 50 ++citygo SA1100_CITYGO CITYGO 51 + pfs168 SA1100_PFS168 PFS168 52 ++spot SA1100_SPOT SPOT 53 + flexanet SA1100_FLEXANET FLEXANET 54 ++webpal ARCH_WEBPAL WEBPAL 55 ++linpda SA1100_LINPDA LINPDA 56 ++anakin ARCH_ANAKIN ANAKIN 57 ++mvi SA1100_MVI MVI 58 ++jupiter SA1100_JUPITER JUPITER 59 ++psionw ARCH_PSIONW PSIONW 60 ++aln SA1100_ALN ALN 61 ++epxa ARCH_CAMELOT CAMELOT 62 ++gds2200 SA1100_GDS2200 GDS2200 63 ++netbook SA1100_PSION_SERIES7 PSION_SERIES7 64 ++xfile SA1100_XFILE XFILE 65 ++accelent_ep9312 ARCH_ACCELENT_EP9312 ACCELENT_EP9312 66 ++ic200 ARCH_IC200 IC200 67 ++creditlart SA1100_CREDITLART CREDITLART 68 ++htm SA1100_HTM HTM 69 ++iq80310 ARCH_IQ80310 IQ80310 70 ++freebot SA1100_FREEBOT FREEBOT 71 ++entel ARCH_ENTEL ENTEL 72 ++enp3510 ARCH_ENP3510 ENP3510 73 ++trizeps SA1100_TRIZEPS TRIZEPS 74 ++nesa SA1100_NESA NESA 75 ++venus ARCH_VENUS VENUS 76 ++tardis ARCH_TARDIS TARDIS 77 ++mercury ARCH_MERCURY MERCURY 78 ++empeg SA1100_EMPEG EMPEG 79 ++adi_evb ARCH_I80200FCC I80200FCC 80 ++itt_cpb SA1100_ITT_CPB ITT_CPB 81 ++svc SA1100_SVC SVC 82 ++alpha2 SA1100_ALPHA2 ALPHA2 84 ++alpha1 SA1100_ALPHA1 ALPHA1 85 ++netarm ARCH_NETARM NETARM 86 + simpad SA1100_SIMPAD SIMPAD 87 ++pda1 ARCH_PDA1 PDA1 88 + lubbock ARCH_LUBBOCK LUBBOCK 89 ++aniko ARCH_ANIKO ANIKO 90 + clep7212 ARCH_CLEP7212 CLEP7212 91 ++cs89712 ARCH_CS89712 CS89712 92 ++weararm SA1100_WEARARM WEARARM 93 ++possio_px SA1100_POSSIO_PX POSSIO_PX 94 ++sidearm SA1100_SIDEARM SIDEARM 95 ++stork SA1100_STORK STORK 96 + shannon SA1100_SHANNON SHANNON 97 ++ace ARCH_ACE ACE 98 ++ballyarm SA1100_BALLYARM BALLYARM 99 ++simputer SA1100_SIMPUTER SIMPUTER 100 ++nexterm SA1100_NEXTERM NEXTERM 101 ++sa1100_elf SA1100_SA1100_ELF SA1100_ELF 102 ++gator SA1100_GATOR GATOR 103 ++granite ARCH_GRANITE GRANITE 104 + consus SA1100_CONSUS CONSUS 105 + aaed2000 ARCH_AAED2000 AAED2000 106 + cdb89712 ARCH_CDB89712 CDB89712 107 + graphicsmaster SA1100_GRAPHICSMASTER GRAPHICSMASTER 108 + adsbitsy SA1100_ADSBITSY ADSBITSY 109 + pxa_idp ARCH_PXA_IDP PXA_IDP 110 ++plce ARCH_PLCE PLCE 111 + pt_system3 SA1100_PT_SYSTEM3 PT_SYSTEM3 112 ++murphy ARCH_MEDALB MEDALB 113 ++eagle ARCH_EAGLE EAGLE 114 ++dsc21 ARCH_DSC21 DSC21 115 ++dsc24 ARCH_DSC24 DSC24 116 ++ti5472 ARCH_TI5472 TI5472 117 + autcpu12 ARCH_AUTCPU12 AUTCPU12 118 ++uengine ARCH_UENGINE UENGINE 119 ++bluestem SA1100_BLUESTEM BLUESTEM 120 ++xingu8 ARCH_XINGU8 XINGU8 121 ++bushstb ARCH_BUSHSTB BUSHSTB 122 ++epsilon1 SA1100_EPSILON1 EPSILON1 123 ++balloon SA1100_BALLOON BALLOON 124 ++puppy ARCH_PUPPY PUPPY 125 ++elroy SA1100_ELROY ELROY 126 ++gms720 ARCH_GMS720 GMS720 127 ++s24x ARCH_S24X S24X 128 ++jtel_clep7312 ARCH_JTEL_CLEP7312 JTEL_CLEP7312 129 ++cx821xx ARCH_CX821XX CX821XX 130 ++edb7312 ARCH_EDB7312 EDB7312 131 ++bsa1110 SA1100_BSA1110 BSA1110 132 ++powerpin ARCH_POWERPIN POWERPIN 133 ++openarm ARCH_OPENARM OPENARM 134 ++whitechapel SA1100_WHITECHAPEL WHITECHAPEL 135 + h3100 SA1100_H3100 H3100 136 ++h3800 SA1100_H3800 H3800 137 ++blue_v1 ARCH_BLUE_V1 BLUE_V1 138 ++pxa_cerf ARCH_PXA_CERF PXA_CERF 139 ++arm7tevb ARCH_ARM7TEVB ARM7TEVB 140 ++d7400 SA1100_D7400 D7400 141 ++piranha ARCH_PIRANHA PIRANHA 142 ++sbcamelot SA1100_SBCAMELOT SBCAMELOT 143 ++kings SA1100_KINGS KINGS 144 ++smdk2400 ARCH_SMDK2400 SMDK2400 145 + collie SA1100_COLLIE COLLIE 146 ++idr ARCH_IDR IDR 147 + badge4 SA1100_BADGE4 BADGE4 148 ++webnet ARCH_WEBNET WEBNET 149 ++d7300 SA1100_D7300 D7300 150 ++cep SA1100_CEP CEP 151 + fortunet ARCH_FORTUNET FORTUNET 152 ++vc547x ARCH_VC547X VC547X 153 ++filewalker SA1100_FILEWALKER FILEWALKER 154 ++netgateway SA1100_NETGATEWAY NETGATEWAY 155 ++symbol2800 SA1100_SYMBOL2800 SYMBOL2800 156 ++suns SA1100_SUNS SUNS 157 ++frodo SA1100_FRODO FRODO 158 ++ms301 SA1100_MACH_TYTE_MS301 MACH_TYTE_MS301 159 + mx1ads ARCH_MX1ADS MX1ADS 160 + h7201 ARCH_H7201 H7201 161 + h7202 ARCH_H7202 H7202 162 ++amico ARCH_AMICO AMICO 163 ++iam SA1100_IAM IAM 164 ++tt530 SA1100_TT530 TT530 165 ++sam2400 ARCH_SAM2400 SAM2400 166 ++jornada56x SA1100_JORNADA56X JORNADA56X 167 ++active SA1100_ACTIVE ACTIVE 168 + iq80321 ARCH_IQ80321 IQ80321 169 ++wid SA1100_WID WID 170 ++sabinal ARCH_SABINAL SABINAL 171 ++ixp425_matacumbe ARCH_IXP425_MATACUMBE IXP425_MATACUMBE 172 ++miniprint SA1100_MINIPRINT MINIPRINT 173 ++adm510x ARCH_ADM510X ADM510X 174 ++svs200 SA1100_SVS200 SVS200 175 ++atg_tcu ARCH_ATG_TCU ATG_TCU 176 ++jornada820 SA1100_JORNADA820 JORNADA820 177 ++s3c44b0 ARCH_S3C44B0 S3C44B0 178 ++margis2 ARCH_MARGIS2 MARGIS2 179 + ks8695 ARCH_KS8695 KS8695 180 ++brh ARCH_BRH BRH 181 ++s3c2410 ARCH_S3C2410 S3C2410 182 ++possio_px30 ARCH_POSSIO_PX30 POSSIO_PX30 183 ++s3c2800 ARCH_S3C2800 S3C2800 184 ++fleetwood SA1100_FLEETWOOD FLEETWOOD 185 ++omaha ARCH_OMAHA OMAHA 186 ++ta7 ARCH_TA7 TA7 187 ++nova SA1100_NOVA NOVA 188 ++hmk ARCH_HMK HMK 189 + karo ARCH_KARO KARO 190 ++fester SA1100_FESTER FESTER 191 ++gpi ARCH_GPI GPI 192 + smdk2410 ARCH_SMDK2410 SMDK2410 193 ++i519 ARCH_I519 I519 194 ++nexio SA1100_NEXIO NEXIO 195 ++bitbox SA1100_BITBOX BITBOX 196 ++g200 SA1100_G200 G200 197 ++gill SA1100_GILL GILL 198 ++pxa_mercury ARCH_PXA_MERCURY PXA_MERCURY 199 + ceiva ARCH_CEIVA CEIVA 200 ++fret SA1100_FRET FRET 201 ++emailphone SA1100_EMAILPHONE EMAILPHONE 202 ++h3900 ARCH_H3900 H3900 203 ++pxa1 ARCH_PXA1 PXA1 204 ++koan369 SA1100_KOAN369 KOAN369 205 ++cogent ARCH_COGENT COGENT 206 ++esl_simputer ARCH_ESL_SIMPUTER ESL_SIMPUTER 207 ++esl_simputer_clr ARCH_ESL_SIMPUTER_CLR ESL_SIMPUTER_CLR 208 ++esl_simputer_bw ARCH_ESL_SIMPUTER_BW ESL_SIMPUTER_BW 209 ++hhp_cradle ARCH_HHP_CRADLE HHP_CRADLE 210 ++he500 ARCH_HE500 HE500 211 ++inhandelf2 SA1100_INHANDELF2 INHANDELF2 212 ++inhandftip SA1100_INHANDFTIP INHANDFTIP 213 ++dnp1110 SA1100_DNP1110 DNP1110 214 ++pnp1110 SA1100_PNP1110 PNP1110 215 ++csb226 ARCH_CSB226 CSB226 216 ++arnold SA1100_ARNOLD ARNOLD 217 + voiceblue MACH_VOICEBLUE VOICEBLUE 218 ++jz8028 ARCH_JZ8028 JZ8028 219 + h5400 ARCH_H5400 H5400 220 ++forte SA1100_FORTE FORTE 221 ++acam SA1100_ACAM ACAM 222 ++abox SA1100_ABOX ABOX 223 ++atmel ARCH_ATMEL ATMEL 224 ++sitsang ARCH_SITSANG SITSANG 225 ++cpu1110lcdnet SA1100_CPU1110LCDNET CPU1110LCDNET 226 ++mpl_vcma9 ARCH_MPL_VCMA9 MPL_VCMA9 227 ++opus_a1 ARCH_OPUS_A1 OPUS_A1 228 ++daytona ARCH_DAYTONA DAYTONA 229 ++killbear SA1100_KILLBEAR KILLBEAR 230 ++yoho ARCH_YOHO YOHO 231 ++jasper ARCH_JASPER JASPER 232 ++dsc25 ARCH_DSC25 DSC25 233 + omap_innovator MACH_OMAP_INNOVATOR OMAP_INNOVATOR 234 ++mnci ARCH_RAMSES RAMSES 235 ++s28x ARCH_S28X S28X 236 ++mport3 ARCH_MPORT3 MPORT3 237 ++pxa_eagle250 ARCH_PXA_EAGLE250 PXA_EAGLE250 238 ++pdb ARCH_PDB PDB 239 ++blue_2g SA1100_BLUE_2G BLUE_2G 240 ++bluearch SA1100_BLUEARCH BLUEARCH 241 + ixdp2400 ARCH_IXDP2400 IXDP2400 242 + ixdp2800 ARCH_IXDP2800 IXDP2800 243 ++explorer SA1100_EXPLORER EXPLORER 244 + ixdp425 ARCH_IXDP425 IXDP425 245 ++chimp ARCH_CHIMP CHIMP 246 ++stork_nest ARCH_STORK_NEST STORK_NEST 247 ++stork_egg ARCH_STORK_EGG STORK_EGG 248 ++wismo SA1100_WISMO WISMO 249 ++ezlinx ARCH_EZLINX EZLINX 250 ++at91rm9200 ARCH_AT91RM9200 AT91RM9200 251 ++adtech_orion ARCH_ADTECH_ORION ADTECH_ORION 252 ++neptune ARCH_NEPTUNE NEPTUNE 253 + hackkit SA1100_HACKKIT HACKKIT 254 ++pxa_wins30 ARCH_PXA_WINS30 PXA_WINS30 255 ++lavinna SA1100_LAVINNA LAVINNA 256 ++pxa_uengine ARCH_PXA_UENGINE PXA_UENGINE 257 ++innokom ARCH_INNOKOM INNOKOM 258 ++bms ARCH_BMS BMS 259 + ixcdp1100 ARCH_IXCDP1100 IXCDP1100 260 ++prpmc1100 ARCH_PRPMC1100 PRPMC1100 261 + at91rm9200dk ARCH_AT91RM9200DK AT91RM9200DK 262 ++armstick ARCH_ARMSTICK ARMSTICK 263 ++armonie ARCH_ARMONIE ARMONIE 264 ++mport1 ARCH_MPORT1 MPORT1 265 ++s3c5410 ARCH_S3C5410 S3C5410 266 ++zcp320a ARCH_ZCP320A ZCP320A 267 ++i_box ARCH_I_BOX I_BOX 268 ++stlc1502 ARCH_STLC1502 STLC1502 269 ++siren ARCH_SIREN SIREN 270 ++greenlake ARCH_GREENLAKE GREENLAKE 271 ++argus ARCH_ARGUS ARGUS 272 ++combadge SA1100_COMBADGE COMBADGE 273 ++rokepxa ARCH_ROKEPXA ROKEPXA 274 + cintegrator ARCH_CINTEGRATOR CINTEGRATOR 275 ++guidea07 ARCH_GUIDEA07 GUIDEA07 276 ++tat257 ARCH_TAT257 TAT257 277 ++igp2425 ARCH_IGP2425 IGP2425 278 ++bluegrama ARCH_BLUEGRAMMA BLUEGRAMMA 279 ++ipod ARCH_IPOD IPOD 280 ++adsbitsyx ARCH_ADSBITSYX ADSBITSYX 281 ++trizeps2 ARCH_TRIZEPS2 TRIZEPS2 282 + viper ARCH_VIPER VIPER 283 ++adsbitsyplus SA1100_ADSBITSYPLUS ADSBITSYPLUS 284 ++adsagc SA1100_ADSAGC ADSAGC 285 ++stp7312 ARCH_STP7312 STP7312 286 ++nx_phnx MACH_NX_PHNX NX_PHNX 287 ++wep_ep250 ARCH_WEP_EP250 WEP_EP250 288 ++inhandelf3 ARCH_INHANDELF3 INHANDELF3 289 + adi_coyote ARCH_ADI_COYOTE ADI_COYOTE 290 ++iyonix ARCH_IYONIX IYONIX 291 ++damicam1 ARCH_DAMICAM_SA1110 DAMICAM_SA1110 292 ++meg03 ARCH_MEG03 MEG03 293 ++pxa_whitechapel ARCH_PXA_WHITECHAPEL PXA_WHITECHAPEL 294 ++nwsc ARCH_NWSC NWSC 295 ++nwlarm ARCH_NWLARM NWLARM 296 ++ixp425_mguard ARCH_IXP425_MGUARD IXP425_MGUARD 297 ++pxa_netdcu4 ARCH_PXA_NETDCU4 PXA_NETDCU4 298 + ixdp2401 ARCH_IXDP2401 IXDP2401 299 + ixdp2801 ARCH_IXDP2801 IXDP2801 300 ++zodiac ARCH_ZODIAC ZODIAC 301 ++armmodul ARCH_ARMMODUL ARMMODUL 302 ++ketop SA1100_KETOP KETOP 303 ++av7200 ARCH_AV7200 AV7200 304 ++arch_ti925 ARCH_ARCH_TI925 ARCH_TI925 305 ++acq200 ARCH_ACQ200 ACQ200 306 ++pt_dafit SA1100_PT_DAFIT PT_DAFIT 307 ++ihba ARCH_IHBA IHBA 308 ++quinque ARCH_QUINQUE QUINQUE 309 ++nimbraone ARCH_NIMBRAONE NIMBRAONE 310 ++nimbra29x ARCH_NIMBRA29X NIMBRA29X 311 ++nimbra210 ARCH_NIMBRA210 NIMBRA210 312 ++hhp_d95xx ARCH_HHP_D95XX HHP_D95XX 313 ++labarm ARCH_LABARM LABARM 314 ++m825xx ARCH_M825XX M825XX 315 ++m7100 SA1100_M7100 M7100 316 ++nipc2 ARCH_NIPC2 NIPC2 317 ++fu7202 ARCH_FU7202 FU7202 318 ++adsagx ARCH_ADSAGX ADSAGX 319 ++pxa_pooh ARCH_PXA_POOH PXA_POOH 320 ++bandon ARCH_BANDON BANDON 321 ++pcm7210 ARCH_PCM7210 PCM7210 322 ++nms9200 ARCH_NMS9200 NMS9200 323 ++logodl ARCH_LOGODL LOGODL 324 ++m7140 SA1100_M7140 M7140 325 ++korebot ARCH_KOREBOT KOREBOT 326 + iq31244 ARCH_IQ31244 IQ31244 327 ++koan393 SA1100_KOAN393 KOAN393 328 ++inhandftip3 ARCH_INHANDFTIP3 INHANDFTIP3 329 ++gonzo ARCH_GONZO GONZO 330 + bast ARCH_BAST BAST 331 ++scanpass ARCH_SCANPASS SCANPASS 332 ++ep7312_pooh ARCH_EP7312_POOH EP7312_POOH 333 ++ta7s ARCH_TA7S TA7S 334 ++ta7v ARCH_TA7V TA7V 335 ++icarus SA1100_ICARUS ICARUS 336 ++h1900 ARCH_H1900 H1900 337 ++gemini SA1100_GEMINI GEMINI 338 ++axim ARCH_AXIM AXIM 339 ++audiotron ARCH_AUDIOTRON AUDIOTRON 340 ++h2200 ARCH_H2200 H2200 341 ++loox600 ARCH_LOOX600 LOOX600 342 ++niop ARCH_NIOP NIOP 343 ++dm310 ARCH_DM310 DM310 344 ++seedpxa_c2 ARCH_SEEDPXA_C2 SEEDPXA_C2 345 ++ixp4xx_mguardpci ARCH_IXP4XX_MGUARD_PCI IXP4XX_MGUARD_PCI 346 + h1940 ARCH_H1940 H1940 347 ++scorpio ARCH_SCORPIO SCORPIO 348 ++viva ARCH_VIVA VIVA 349 ++pxa_xcard ARCH_PXA_XCARD PXA_XCARD 350 ++csb335 ARCH_CSB335 CSB335 351 ++ixrd425 ARCH_IXRD425 IXRD425 352 ++iq80315 ARCH_IQ80315 IQ80315 353 ++nmp7312 ARCH_NMP7312 NMP7312 354 ++cx861xx ARCH_CX861XX CX861XX 355 + enp2611 ARCH_ENP2611 ENP2611 356 ++xda SA1100_XDA XDA 357 ++csir_ims ARCH_CSIR_IMS CSIR_IMS 358 ++ixp421_dnaeeth ARCH_IXP421_DNAEETH IXP421_DNAEETH 359 ++pocketserv9200 ARCH_POCKETSERV9200 POCKETSERV9200 360 ++toto ARCH_TOTO TOTO 361 + s3c2440 ARCH_S3C2440 S3C2440 362 ++ks8695p ARCH_KS8695P KS8695P 363 ++se4000 ARCH_SE4000 SE4000 364 ++quadriceps ARCH_QUADRICEPS QUADRICEPS 365 ++bronco ARCH_BRONCO BRONCO 366 ++esl_wireless_tab ARCH_ESL_WIRELESS_TAB ESL_WIRELESS_TAB 367 ++esl_sofcomp ARCH_ESL_SOFCOMP ESL_SOFCOMP 368 ++s5c7375 ARCH_S5C7375 S5C7375 369 ++spearhead ARCH_SPEARHEAD SPEARHEAD 370 ++pantera ARCH_PANTERA PANTERA 371 ++prayoglite ARCH_PRAYOGLITE PRAYOGLITE 372 + gumstix ARCH_GUMSTIX GUMSTIX 373 ++rcube ARCH_RCUBE RCUBE 374 ++rea_olv ARCH_REA_OLV REA_OLV 375 ++pxa_iphone ARCH_PXA_IPHONE PXA_IPHONE 376 ++s3c3410 ARCH_S3C3410 S3C3410 377 ++espd_4510b ARCH_ESPD_4510B ESPD_4510B 378 ++mp1x ARCH_MP1X MP1X 379 ++at91rm9200tb ARCH_AT91RM9200TB AT91RM9200TB 380 ++adsvgx ARCH_ADSVGX ADSVGX 381 + omap_h2 MACH_OMAP_H2 OMAP_H2 382 ++pelee ARCH_PELEE PELEE 383 + e740 MACH_E740 E740 384 + iq80331 ARCH_IQ80331 IQ80331 385 + versatile_pb ARCH_VERSATILE_PB VERSATILE_PB 387 + kev7a400 MACH_KEV7A400 KEV7A400 388 + lpd7a400 MACH_LPD7A400 LPD7A400 389 + lpd7a404 MACH_LPD7A404 LPD7A404 390 ++fujitsu_camelot ARCH_FUJITSU_CAMELOT FUJITSU_CAMELOT 391 ++janus2m ARCH_JANUS2M JANUS2M 392 ++embtf MACH_EMBTF EMBTF 393 ++hpm MACH_HPM HPM 394 ++smdk2410tk MACH_SMDK2410TK SMDK2410TK 395 ++smdk2410aj MACH_SMDK2410AJ SMDK2410AJ 396 ++streetracer MACH_STREETRACER STREETRACER 397 ++eframe MACH_EFRAME EFRAME 398 + csb337 MACH_CSB337 CSB337 399 ++pxa_lark MACH_PXA_LARK PXA_LARK 400 ++pxa_pnp2110 MACH_PNP2110 PNP2110 401 ++tcc72x MACH_TCC72X TCC72X 402 ++altair MACH_ALTAIR ALTAIR 403 ++kc3 MACH_KC3 KC3 404 ++sinteftd MACH_SINTEFTD SINTEFTD 405 + mainstone MACH_MAINSTONE MAINSTONE 406 ++aday4x MACH_ADAY4X ADAY4X 407 ++lite300 MACH_LITE300 LITE300 408 ++s5c7376 MACH_S5C7376 S5C7376 409 ++mt02 MACH_MT02 MT02 410 ++mport3s MACH_MPORT3S MPORT3S 411 ++ra_alpha MACH_RA_ALPHA RA_ALPHA 412 + xcep MACH_XCEP XCEP 413 + arcom_vulcan MACH_ARCOM_VULCAN ARCOM_VULCAN 414 ++stargate MACH_STARGATE STARGATE 415 ++armadilloj MACH_ARMADILLOJ ARMADILLOJ 416 ++elroy_jack MACH_ELROY_JACK ELROY_JACK 417 ++backend MACH_BACKEND BACKEND 418 ++s5linbox MACH_S5LINBOX S5LINBOX 419 + nomadik MACH_NOMADIK NOMADIK 420 ++ia_cpu_9200 MACH_IA_CPU_9200 IA_CPU_9200 421 ++at91_bja1 MACH_AT91_BJA1 AT91_BJA1 422 + corgi MACH_CORGI CORGI 423 + poodle MACH_POODLE POODLE 424 ++ten MACH_TEN TEN 425 ++roverp5p MACH_ROVERP5P ROVERP5P 426 ++sc2700 MACH_SC2700 SC2700 427 ++ex_eagle MACH_EX_EAGLE EX_EAGLE 428 ++nx_pxa12 MACH_NX_PXA12 NX_PXA12 429 ++nx_pxa5 MACH_NX_PXA5 NX_PXA5 430 ++blackboard2 MACH_BLACKBOARD2 BLACKBOARD2 431 ++i819 MACH_I819 I819 432 ++ixmb995e MACH_IXMB995E IXMB995E 433 ++skyrider MACH_SKYRIDER SKYRIDER 434 ++skyhawk MACH_SKYHAWK SKYHAWK 435 ++enterprise MACH_ENTERPRISE ENTERPRISE 436 ++dep2410 MACH_DEP2410 DEP2410 437 + armcore MACH_ARMCORE ARMCORE 438 ++hobbit MACH_HOBBIT HOBBIT 439 ++h7210 MACH_H7210 H7210 440 ++pxa_netdcu5 MACH_PXA_NETDCU5 PXA_NETDCU5 441 ++acc MACH_ACC ACC 442 ++esl_sarva MACH_ESL_SARVA ESL_SARVA 443 ++xm250 MACH_XM250 XM250 444 ++t6tc1xb MACH_T6TC1XB T6TC1XB 445 ++ess710 MACH_ESS710 ESS710 446 + mx31ads MACH_MX31ADS MX31ADS 447 + himalaya MACH_HIMALAYA HIMALAYA 448 ++bolfenk MACH_BOLFENK BOLFENK 449 ++at91rm9200kr MACH_AT91RM9200KR AT91RM9200KR 450 + edb9312 MACH_EDB9312 EDB9312 451 + omap_generic MACH_OMAP_GENERIC OMAP_GENERIC 452 ++aximx3 MACH_AXIMX3 AXIMX3 453 ++eb67xdip MACH_EB67XDIP EB67XDIP 454 ++webtxs MACH_WEBTXS WEBTXS 455 ++hawk MACH_HAWK HAWK 456 ++ccat91sbc001 MACH_CCAT91SBC001 CCAT91SBC001 457 ++expresso MACH_EXPRESSO EXPRESSO 458 ++h4000 MACH_H4000 H4000 459 ++dino MACH_DINO DINO 460 ++ml675k MACH_ML675K ML675K 461 + edb9301 MACH_EDB9301 EDB9301 462 + edb9315 MACH_EDB9315 EDB9315 463 ++reciva_tt MACH_RECIVA_TT RECIVA_TT 464 ++cstcb01 MACH_CSTCB01 CSTCB01 465 ++cstcb1 MACH_CSTCB1 CSTCB1 466 ++shadwell MACH_SHADWELL SHADWELL 467 ++goepel263 MACH_GOEPEL263 GOEPEL263 468 ++acq100 MACH_ACQ100 ACQ100 469 ++mx1fs2 MACH_MX1FS2 MX1FS2 470 ++hiptop_g1 MACH_HIPTOP_G1 HIPTOP_G1 471 ++sparky MACH_SPARKY SPARKY 472 ++ns9750 MACH_NS9750 NS9750 473 ++phoenix MACH_PHOENIX PHOENIX 474 + vr1000 MACH_VR1000 VR1000 475 ++deisterpxa MACH_DEISTERPXA DEISTERPXA 476 ++bcm1160 MACH_BCM1160 BCM1160 477 ++pcm022 MACH_PCM022 PCM022 478 ++adsgcx MACH_ADSGCX ADSGCX 479 ++dreadnaught MACH_DREADNAUGHT DREADNAUGHT 480 ++dm320 MACH_DM320 DM320 481 ++markov MACH_MARKOV MARKOV 482 ++cos7a400 MACH_COS7A400 COS7A400 483 ++milano MACH_MILANO MILANO 484 ++ue9328 MACH_UE9328 UE9328 485 ++uex255 MACH_UEX255 UEX255 486 ++ue2410 MACH_UE2410 UE2410 487 ++a620 MACH_A620 A620 488 ++ocelot MACH_OCELOT OCELOT 489 ++cheetah MACH_CHEETAH CHEETAH 490 + omap_perseus2 MACH_OMAP_PERSEUS2 OMAP_PERSEUS2 491 ++zvue MACH_ZVUE ZVUE 492 ++roverp1 MACH_ROVERP1 ROVERP1 493 ++asidial2 MACH_ASIDIAL2 ASIDIAL2 494 ++s3c24a0 MACH_S3C24A0 S3C24A0 495 + e800 MACH_E800 E800 496 + e750 MACH_E750 E750 497 ++s3c5500 MACH_S3C5500 S3C5500 498 ++smdk5500 MACH_SMDK5500 SMDK5500 499 ++signalsync MACH_SIGNALSYNC SIGNALSYNC 500 ++nbc MACH_NBC NBC 501 ++kodiak MACH_KODIAK KODIAK 502 ++netbookpro MACH_NETBOOKPRO NETBOOKPRO 503 ++hw90200 MACH_HW90200 HW90200 504 ++condor MACH_CONDOR CONDOR 505 ++cup MACH_CUP CUP 506 ++kite MACH_KITE KITE 507 + scb9328 MACH_SCB9328 SCB9328 508 + omap_h3 MACH_OMAP_H3 OMAP_H3 509 + omap_h4 MACH_OMAP_H4 OMAP_H4 510 ++n10 MACH_N10 N10 511 ++montejade MACH_MONTAJADE MONTAJADE 512 ++sg560 MACH_SG560 SG560 513 ++dp1000 MACH_DP1000 DP1000 514 + omap_osk MACH_OMAP_OSK OMAP_OSK 515 ++rg100v3 MACH_RG100V3 RG100V3 516 ++mx2ads MACH_MX2ADS MX2ADS 517 ++pxa_kilo MACH_PXA_KILO PXA_KILO 518 ++ixp4xx_eagle MACH_IXP4XX_EAGLE IXP4XX_EAGLE 519 + tosa MACH_TOSA TOSA 520 ++mb2520f MACH_MB2520F MB2520F 521 ++emc1000 MACH_EMC1000 EMC1000 522 ++tidsc25 MACH_TIDSC25 TIDSC25 523 ++akcpmxl MACH_AKCPMXL AKCPMXL 524 ++av3xx MACH_AV3XX AV3XX 525 + avila MACH_AVILA AVILA 526 ++pxa_mpm10 MACH_PXA_MPM10 PXA_MPM10 527 ++pxa_kyanite MACH_PXA_KYANITE PXA_KYANITE 528 ++sgold MACH_SGOLD SGOLD 529 ++oscar MACH_OSCAR OSCAR 530 ++epxa4usb2 MACH_EPXA4USB2 EPXA4USB2 531 ++xsengine MACH_XSENGINE XSENGINE 532 ++ip600 MACH_IP600 IP600 533 ++mcan2 MACH_MCAN2 MCAN2 534 ++ddi_blueridge MACH_DDI_BLUERIDGE DDI_BLUERIDGE 535 ++skyminder MACH_SKYMINDER SKYMINDER 536 ++lpd79520 MACH_LPD79520 LPD79520 537 + edb9302 MACH_EDB9302 EDB9302 538 ++hw90340 MACH_HW90340 HW90340 539 ++cip_box MACH_CIP_BOX CIP_BOX 540 ++ivpn MACH_IVPN IVPN 541 ++rsoc2 MACH_RSOC2 RSOC2 542 + husky MACH_HUSKY HUSKY 543 ++boxer MACH_BOXER BOXER 544 + shepherd MACH_SHEPHERD SHEPHERD 545 ++aml42800aa MACH_AML42800AA AML42800AA 546 ++lpc2294 MACH_LPC2294 LPC2294 548 ++switchgrass MACH_SWITCHGRASS SWITCHGRASS 549 ++ens_cmu MACH_ENS_CMU ENS_CMU 550 ++mm6_sdb MACH_MM6_SDB MM6_SDB 551 ++saturn MACH_SATURN SATURN 552 ++i30030evb MACH_I30030EVB I30030EVB 553 ++mxc27530evb MACH_MXC27530EVB MXC27530EVB 554 ++smdk2800 MACH_SMDK2800 SMDK2800 555 ++mtwilson MACH_MTWILSON MTWILSON 556 ++ziti MACH_ZITI ZITI 557 ++grandfather MACH_GRANDFATHER GRANDFATHER 558 ++tengine MACH_TENGINE TENGINE 559 ++s3c2460 MACH_S3C2460 S3C2460 560 ++pdm MACH_PDM PDM 561 + h4700 MACH_H4700 H4700 562 ++h6300 MACH_H6300 H6300 563 ++rz1700 MACH_RZ1700 RZ1700 564 ++a716 MACH_A716 A716 565 ++estk2440a MACH_ESTK2440A ESTK2440A 566 ++atwixp425 MACH_ATWIXP425 ATWIXP425 567 ++csb336 MACH_CSB336 CSB336 568 ++rirm2 MACH_RIRM2 RIRM2 569 ++cx23518 MACH_CX23518 CX23518 570 ++cx2351x MACH_CX2351X CX2351X 571 ++computime MACH_COMPUTIME COMPUTIME 572 ++izarus MACH_IZARUS IZARUS 573 ++pxa_rts MACH_RTS RTS 574 ++se5100 MACH_SE5100 SE5100 575 ++s3c2510 MACH_S3C2510 S3C2510 576 ++csb437tl MACH_CSB437TL CSB437TL 577 ++slauson MACH_SLAUSON SLAUSON 578 ++pearlriver MACH_PEARLRIVER PEARLRIVER 579 ++tdc_p210 MACH_TDC_P210 TDC_P210 580 ++sg580 MACH_SG580 SG580 581 ++wrsbcarm7 MACH_WRSBCARM7 WRSBCARM7 582 ++ipd MACH_IPD IPD 583 ++pxa_dnp2110 MACH_PXA_DNP2110 PXA_DNP2110 584 ++xaeniax MACH_XAENIAX XAENIAX 585 ++somn4250 MACH_SOMN4250 SOMN4250 586 ++pleb2 MACH_PLEB2 PLEB2 587 ++cornwallis MACH_CORNWALLIS CORNWALLIS 588 ++gurney_drv MACH_GURNEY_DRV GURNEY_DRV 589 ++chaffee MACH_CHAFFEE CHAFFEE 590 ++rms101 MACH_RMS101 RMS101 591 + rx3715 MACH_RX3715 RX3715 592 ++swift MACH_SWIFT SWIFT 593 ++roverp7 MACH_ROVERP7 ROVERP7 594 ++pr818s MACH_PR818S PR818S 595 ++trxpro MACH_TRXPRO TRXPRO 596 + nslu2 MACH_NSLU2 NSLU2 597 + e400 MACH_E400 E400 598 ++trab MACH_TRAB TRAB 599 ++cmc_pu2 MACH_CMC_PU2 CMC_PU2 600 ++fulcrum MACH_FULCRUM FULCRUM 601 ++netgate42x MACH_NETGATE42X NETGATE42X 602 ++str710 MACH_STR710 STR710 603 + ixdpg425 MACH_IXDPG425 IXDPG425 604 ++tomtomgo MACH_TOMTOMGO TOMTOMGO 605 + versatile_ab MACH_VERSATILE_AB VERSATILE_AB 606 + edb9307 MACH_EDB9307 EDB9307 607 ++sg565 MACH_SG565 SG565 608 ++lpd79524 MACH_LPD79524 LPD79524 609 ++lpd79525 MACH_LPD79525 LPD79525 610 ++rms100 MACH_RMS100 RMS100 611 + kb9200 MACH_KB9200 KB9200 612 + sx1 MACH_SX1 SX1 613 ++hms39c7092 MACH_HMS39C7092 HMS39C7092 614 ++armadillo MACH_ARMADILLO ARMADILLO 615 ++ipcu MACH_IPCU IPCU 616 ++loox720 MACH_LOOX720 LOOX720 617 + ixdp465 MACH_IXDP465 IXDP465 618 + ixdp2351 MACH_IXDP2351 IXDP2351 619 ++adsvix MACH_ADSVIX ADSVIX 620 ++dm270 MACH_DM270 DM270 621 ++socltplus MACH_SOCLTPLUS SOCLTPLUS 622 ++ecia MACH_ECIA ECIA 623 ++cm4008 MACH_CM4008 CM4008 624 ++p2001 MACH_P2001 P2001 625 ++twister MACH_TWISTER TWISTER 626 ++mudshark MACH_MUDSHARK MUDSHARK 627 ++hb2 MACH_HB2 HB2 628 + iq80332 MACH_IQ80332 IQ80332 629 ++sendt MACH_SENDT SENDT 630 ++mx2jazz MACH_MX2JAZZ MX2JAZZ 631 ++multiio MACH_MULTIIO MULTIIO 632 ++hrdisplay MACH_HRDISPLAY HRDISPLAY 633 ++mxc27530ads MACH_MXC27530ADS MXC27530ADS 634 ++trizeps3 MACH_TRIZEPS3 TRIZEPS3 635 ++zefeerdza MACH_ZEFEERDZA ZEFEERDZA 636 ++zefeerdzb MACH_ZEFEERDZB ZEFEERDZB 637 ++zefeerdzg MACH_ZEFEERDZG ZEFEERDZG 638 ++zefeerdzn MACH_ZEFEERDZN ZEFEERDZN 639 ++zefeerdzq MACH_ZEFEERDZQ ZEFEERDZQ 640 + gtwx5715 MACH_GTWX5715 GTWX5715 641 ++astro_jack MACH_ASTRO_JACK ASTRO_JACK 643 ++tip03 MACH_TIP03 TIP03 644 ++a9200ec MACH_A9200EC A9200EC 645 ++pnx0105 MACH_PNX0105 PNX0105 646 ++adcpoecpu MACH_ADCPOECPU ADCPOECPU 647 + csb637 MACH_CSB637 CSB637 648 ++mb9200 MACH_MB9200 MB9200 650 ++kulun MACH_KULUN KULUN 651 ++snapper MACH_SNAPPER SNAPPER 652 ++optima MACH_OPTIMA OPTIMA 653 ++dlhsbc MACH_DLHSBC DLHSBC 654 ++x30 MACH_X30 X30 655 + n30 MACH_N30 N30 656 ++manga_ks8695 MACH_MANGA_KS8695 MANGA_KS8695 657 ++ajax MACH_AJAX AJAX 658 + nec_mp900 MACH_NEC_MP900 NEC_MP900 659 ++vvtk1000 MACH_VVTK1000 VVTK1000 661 + kafa MACH_KAFA KAFA 662 ++vvtk3000 MACH_VVTK3000 VVTK3000 663 ++pimx1 MACH_PIMX1 PIMX1 664 ++ollie MACH_OLLIE OLLIE 665 ++skymax MACH_SKYMAX SKYMAX 666 ++jazz MACH_JAZZ JAZZ 667 ++tel_t3 MACH_TEL_T3 TEL_T3 668 ++aisino_fcr255 MACH_AISINO_FCR255 AISINO_FCR255 669 ++btweb MACH_BTWEB BTWEB 670 ++dbg_lh79520 MACH_DBG_LH79520 DBG_LH79520 671 ++cm41xx MACH_CM41XX CM41XX 672 + ts72xx MACH_TS72XX TS72XX 673 ++nggpxa MACH_NGGPXA NGGPXA 674 ++csb535 MACH_CSB535 CSB535 675 ++csb536 MACH_CSB536 CSB536 676 ++pxa_trakpod MACH_PXA_TRAKPOD PXA_TRAKPOD 677 ++praxis MACH_PRAXIS PRAXIS 678 ++lh75411 MACH_LH75411 LH75411 679 + otom MACH_OTOM OTOM 680 + nexcoder_2440 MACH_NEXCODER_2440 NEXCODER_2440 681 ++loox410 MACH_LOOX410 LOOX410 682 ++westlake MACH_WESTLAKE WESTLAKE 683 ++nsb MACH_NSB NSB 684 ++esl_sarva_stn MACH_ESL_SARVA_STN ESL_SARVA_STN 685 ++esl_sarva_tft MACH_ESL_SARVA_TFT ESL_SARVA_TFT 686 ++esl_sarva_iad MACH_ESL_SARVA_IAD ESL_SARVA_IAD 687 ++esl_sarva_acc MACH_ESL_SARVA_ACC ESL_SARVA_ACC 688 ++typhoon MACH_TYPHOON TYPHOON 689 ++cnav MACH_CNAV CNAV 690 ++a730 MACH_A730 A730 691 ++netstar MACH_NETSTAR NETSTAR 692 ++supercon MACH_PHASEFALE_SUPERCON PHASEFALE_SUPERCON 693 ++shiva1100 MACH_SHIVA1100 SHIVA1100 694 ++etexsc MACH_ETEXSC ETEXSC 695 ++ixdpg465 MACH_IXDPG465 IXDPG465 696 ++a9m2410 MACH_A9M2410 A9M2410 697 ++a9m2440 MACH_A9M2440 A9M2440 698 ++a9m9750 MACH_A9M9750 A9M9750 699 ++a9m9360 MACH_A9M9360 A9M9360 700 ++unc90 MACH_UNC90 UNC90 701 + eco920 MACH_ECO920 ECO920 702 ++satview MACH_SATVIEW SATVIEW 703 + roadrunner MACH_ROADRUNNER ROADRUNNER 704 + at91rm9200ek MACH_AT91RM9200EK AT91RM9200EK 705 ++gp32 MACH_GP32 GP32 706 ++gem MACH_GEM GEM 707 ++i858 MACH_I858 I858 708 ++hx2750 MACH_HX2750 HX2750 709 ++mxc91131evb MACH_MXC91131EVB MXC91131EVB 710 ++p700 MACH_P700 P700 711 ++cpe MACH_CPE CPE 712 + spitz MACH_SPITZ SPITZ 713 ++nimbra340 MACH_NIMBRA340 NIMBRA340 714 ++lpc22xx MACH_LPC22XX LPC22XX 715 ++omap_comet3 MACH_COMET3 COMET3 716 ++omap_comet4 MACH_COMET4 COMET4 717 ++csb625 MACH_CSB625 CSB625 718 ++fortunet2 MACH_FORTUNET2 FORTUNET2 719 ++s5h2200 MACH_S5H2200 S5H2200 720 ++optorm920 MACH_OPTORM920 OPTORM920 721 ++adsbitsyxb MACH_ADSBITSYXB ADSBITSYXB 722 + adssphere MACH_ADSSPHERE ADSSPHERE 723 ++adsportal MACH_ADSPORTAL ADSPORTAL 724 ++ln2410sbc MACH_LN2410SBC LN2410SBC 725 ++cb3rufc MACH_CB3RUFC CB3RUFC 726 ++mp2usb MACH_MP2USB MP2USB 727 ++ntnp425c MACH_NTNP425C NTNP425C 728 + colibri MACH_COLIBRI COLIBRI 729 ++pcm7220 MACH_PCM7220 PCM7220 730 + gateway7001 MACH_GATEWAY7001 GATEWAY7001 731 + pcm027 MACH_PCM027 PCM027 732 ++cmpxa MACH_CMPXA CMPXA 733 + anubis MACH_ANUBIS ANUBIS 734 ++ite8152 MACH_ITE8152 ITE8152 735 ++lpc3xxx MACH_LPC3XXX LPC3XXX 736 ++puppeteer MACH_PUPPETEER PUPPETEER 737 ++e570 MACH_E570 E570 739 ++x50 MACH_X50 X50 740 ++recon MACH_RECON RECON 741 ++xboardgp8 MACH_XBOARDGP8 XBOARDGP8 742 ++fpic2 MACH_FPIC2 FPIC2 743 + akita MACH_AKITA AKITA 744 ++a81 MACH_A81 A81 745 ++svm_sc25x MACH_SVM_SC25X SVM_SC25X 746 ++vt020 MACH_VADATECH020 VADATECH020 747 ++tli MACH_TLI TLI 748 ++edb9315lc MACH_EDB9315LC EDB9315LC 749 ++passec MACH_PASSEC PASSEC 750 ++ds_tiger MACH_DS_TIGER DS_TIGER 751 ++e310 MACH_E310 E310 752 + e330 MACH_E330 E330 753 ++rt3000 MACH_RT3000 RT3000 754 + nokia770 MACH_NOKIA770 NOKIA770 755 ++pnx0106 MACH_PNX0106 PNX0106 756 ++hx21xx MACH_HX21XX HX21XX 757 ++faraday MACH_FARADAY FARADAY 758 ++sbc9312 MACH_SBC9312 SBC9312 759 ++batman MACH_BATMAN BATMAN 760 ++jpd201 MACH_JPD201 JPD201 761 ++mipsa MACH_MIPSA MIPSA 762 ++kacom MACH_KACOM KACOM 763 ++swarcocpu MACH_SWARCOCPU SWARCOCPU 764 ++swarcodsl MACH_SWARCODSL SWARCODSL 765 ++blueangel MACH_BLUEANGEL BLUEANGEL 766 ++hairygrama MACH_HAIRYGRAMA HAIRYGRAMA 767 ++banff MACH_BANFF BANFF 768 + carmeva MACH_CARMEVA CARMEVA 769 ++sam255 MACH_SAM255 SAM255 770 ++ppm10 MACH_PPM10 PPM10 771 + edb9315a MACH_EDB9315A EDB9315A 772 ++sunset MACH_SUNSET SUNSET 773 + stargate2 MACH_STARGATE2 STARGATE2 774 + intelmote2 MACH_INTELMOTE2 INTELMOTE2 775 + trizeps4 MACH_TRIZEPS4 TRIZEPS4 776 ++mainstone2 MACH_MAINSTONE2 MAINSTONE2 777 ++ez_ixp42x MACH_EZ_IXP42X EZ_IXP42X 778 ++tapwave_zodiac MACH_TAPWAVE_ZODIAC TAPWAVE_ZODIAC 779 ++universalmeter MACH_UNIVERSALMETER UNIVERSALMETER 780 ++hicoarm9 MACH_HICOARM9 HICOARM9 781 + pnx4008 MACH_PNX4008 PNX4008 782 ++kws6000 MACH_KWS6000 KWS6000 783 ++portux920t MACH_PORTUX920T PORTUX920T 784 ++ez_x5 MACH_EZ_X5 EZ_X5 785 ++omap_rudolph MACH_OMAP_RUDOLPH OMAP_RUDOLPH 786 + cpuat91 MACH_CPUAT91 CPUAT91 787 ++rea9200 MACH_REA9200 REA9200 788 ++acts_pune_sa1110 MACH_ACTS_PUNE_SA1110 ACTS_PUNE_SA1110 789 ++ixp425 MACH_IXP425 IXP425 790 ++i30030ads MACH_I30030ADS I30030ADS 791 ++perch MACH_PERCH PERCH 792 ++eis05r1 MACH_EIS05R1 EIS05R1 793 ++pepperpad MACH_PEPPERPAD PEPPERPAD 794 ++sb3010 MACH_SB3010 SB3010 795 ++rm9200 MACH_RM9200 RM9200 796 ++dma03 MACH_DMA03 DMA03 797 ++road_s101 MACH_ROAD_S101 ROAD_S101 798 + iq81340sc MACH_IQ81340SC IQ81340SC 799 ++iq_nextgen_b MACH_IQ_NEXTGEN_B IQ_NEXTGEN_B 800 + iq81340mc MACH_IQ81340MC IQ81340MC 801 ++iq_nextgen_d MACH_IQ_NEXTGEN_D IQ_NEXTGEN_D 802 ++iq_nextgen_e MACH_IQ_NEXTGEN_E IQ_NEXTGEN_E 803 ++mallow_at91 MACH_MALLOW_AT91 MALLOW_AT91 804 ++cybertracker_i MACH_CYBERTRACKER_I CYBERTRACKER_I 805 ++gesbc931x MACH_GESBC931X GESBC931X 806 ++centipad MACH_CENTIPAD CENTIPAD 807 ++armsoc MACH_ARMSOC ARMSOC 808 ++se4200 MACH_SE4200 SE4200 809 ++ems197a MACH_EMS197A EMS197A 810 + micro9 MACH_MICRO9 MICRO9 811 + micro9l MACH_MICRO9L MICRO9L 812 ++uc5471dsp MACH_UC5471DSP UC5471DSP 813 ++sj5471eng MACH_SJ5471ENG SJ5471ENG 814 ++none MACH_CMPXA26X CMPXA26X 815 ++nc1 MACH_NC NC 816 + omap_palmte MACH_OMAP_PALMTE OMAP_PALMTE 817 ++ajax52x MACH_AJAX52X AJAX52X 818 ++siriustar MACH_SIRIUSTAR SIRIUSTAR 819 ++iodata_hdlg MACH_IODATA_HDLG IODATA_HDLG 820 ++at91rm9200utl MACH_AT91RM9200UTL AT91RM9200UTL 821 ++biosafe MACH_BIOSAFE BIOSAFE 822 ++mp1000 MACH_MP1000 MP1000 823 ++parsy MACH_PARSY PARSY 824 ++ccxp270 MACH_CCXP CCXP 825 ++omap_gsample MACH_OMAP_GSAMPLE OMAP_GSAMPLE 826 + realview_eb MACH_REALVIEW_EB REALVIEW_EB 827 ++samoa MACH_SAMOA SAMOA 828 ++palmt3 MACH_PALMT3 PALMT3 829 ++i878 MACH_I878 I878 830 + borzoi MACH_BORZOI BORZOI 831 ++gecko MACH_GECKO GECKO 832 ++ds101 MACH_DS101 DS101 833 ++omap_palmtt2 MACH_OMAP_PALMTT2 OMAP_PALMTT2 834 + palmld MACH_PALMLD PALMLD 835 ++cc9c MACH_CC9C CC9C 836 ++sbc1670 MACH_SBC1670 SBC1670 837 + ixdp28x5 MACH_IXDP28X5 IXDP28X5 838 + omap_palmtt MACH_OMAP_PALMTT OMAP_PALMTT 839 ++ml696k MACH_ML696K ML696K 840 + arcom_zeus MACH_ARCOM_ZEUS ARCOM_ZEUS 841 + osiris MACH_OSIRIS OSIRIS 842 ++maestro MACH_MAESTRO MAESTRO 843 + palmte2 MACH_PALMTE2 PALMTE2 844 ++ixbbm MACH_IXBBM IXBBM 845 + mx27ads MACH_MX27ADS MX27ADS 846 ++ax8004 MACH_AX8004 AX8004 847 + at91sam9261ek MACH_AT91SAM9261EK AT91SAM9261EK 848 + loft MACH_LOFT LOFT 849 ++magpie MACH_MAGPIE MAGPIE 850 + mx21ads MACH_MX21ADS MX21ADS 851 ++mb87m3400 MACH_MB87M3400 MB87M3400 852 ++mguard_delta MACH_MGUARD_DELTA MGUARD_DELTA 853 ++davinci_dvdp MACH_DAVINCI_DVDP DAVINCI_DVDP 854 ++htcuniversal MACH_HTCUNIVERSAL HTCUNIVERSAL 855 ++tpad MACH_TPAD TPAD 856 ++roverp3 MACH_ROVERP3 ROVERP3 857 ++jornada928 MACH_JORNADA928 JORNADA928 858 ++mv88fxx81 MACH_MV88FXX81 MV88FXX81 859 ++stmp36xx MACH_STMP36XX STMP36XX 860 ++sxni79524 MACH_SXNI79524 SXNI79524 861 + ams_delta MACH_AMS_DELTA AMS_DELTA 862 ++uranium MACH_URANIUM URANIUM 863 ++ucon MACH_UCON UCON 864 + nas100d MACH_NAS100D NAS100D 865 ++l083 MACH_L083_1000 L083_1000 866 ++ezx MACH_EZX EZX 867 ++pnx5220 MACH_PNX5220 PNX5220 868 ++butte MACH_BUTTE BUTTE 869 ++srm2 MACH_SRM2 SRM2 870 ++dsbr MACH_DSBR DSBR 871 ++crystalball MACH_CRYSTALBALL CRYSTALBALL 872 ++tinypxa27x MACH_TINYPXA27X TINYPXA27X 873 ++herbie MACH_HERBIE HERBIE 874 + magician MACH_MAGICIAN MAGICIAN 875 ++cm4002 MACH_CM4002 CM4002 876 ++b4 MACH_B4 B4 877 ++maui MACH_MAUI MAUI 878 ++cybertracker_g MACH_CYBERTRACKER_G CYBERTRACKER_G 879 + nxdkn MACH_NXDKN NXDKN 880 ++mio8390 MACH_MIO8390 MIO8390 881 ++omi_board MACH_OMI_BOARD OMI_BOARD 882 ++mx21civ MACH_MX21CIV MX21CIV 883 ++mahi_cdac MACH_MAHI_CDAC MAHI_CDAC 884 + palmtx MACH_PALMTX PALMTX 885 + s3c2413 MACH_S3C2413 S3C2413 887 ++samsys_ep0 MACH_SAMSYS_EP0 SAMSYS_EP0 888 ++wg302v1 MACH_WG302V1 WG302V1 889 + wg302v2 MACH_WG302V2 WG302V2 890 ++eb42x MACH_EB42X EB42X 891 ++iq331es MACH_IQ331ES IQ331ES 892 ++cosydsp MACH_COSYDSP COSYDSP 893 ++uplat7d_proto MACH_UPLAT7D UPLAT7D 894 ++ptdavinci MACH_PTDAVINCI PTDAVINCI 895 ++mbus MACH_MBUS MBUS 896 ++nadia2vb MACH_NADIA2VB NADIA2VB 897 ++r1000 MACH_R1000 R1000 898 ++hw90250 MACH_HW90250 HW90250 899 + omap_2430sdp MACH_OMAP_2430SDP OMAP_2430SDP 900 + davinci_evm MACH_DAVINCI_EVM DAVINCI_EVM 901 ++omap_tornado MACH_OMAP_TORNADO OMAP_TORNADO 902 ++olocreek MACH_OLOCREEK OLOCREEK 903 + palmz72 MACH_PALMZ72 PALMZ72 904 + nxdb500 MACH_NXDB500 NXDB500 905 + apf9328 MACH_APF9328 APF9328 906 ++omap_wipoq MACH_OMAP_WIPOQ OMAP_WIPOQ 907 ++omap_twip MACH_OMAP_TWIP OMAP_TWIP 908 ++treo650 MACH_TREO650 TREO650 909 ++acumen MACH_ACUMEN ACUMEN 910 ++xp100 MACH_XP100 XP100 911 ++fs2410 MACH_FS2410 FS2410 912 ++pxa270_cerf MACH_PXA270_CERF PXA270_CERF 913 ++sq2ftlpalm MACH_SQ2FTLPALM SQ2FTLPALM 914 ++bsemserver MACH_BSEMSERVER BSEMSERVER 915 ++netclient MACH_NETCLIENT NETCLIENT 916 + palmt5 MACH_PALMT5 PALMT5 917 + palmtc MACH_PALMTC PALMTC 918 + omap_apollon MACH_OMAP_APOLLON OMAP_APOLLON 919 ++mxc30030evb MACH_MXC30030EVB MXC30030EVB 920 ++rea_cpu2 MACH_REA_2D REA_2D 921 ++eti3e524 MACH_TI3E524 TI3E524 922 + ateb9200 MACH_ATEB9200 ATEB9200 923 ++auckland MACH_AUCKLAND AUCKLAND 924 ++ak3220m MACH_AK3320M AK3320M 925 ++duramax MACH_DURAMAX DURAMAX 926 + n35 MACH_N35 N35 927 ++pronghorn MACH_PRONGHORN PRONGHORN 928 ++fundy MACH_FUNDY FUNDY 929 + logicpd_pxa270 MACH_LOGICPD_PXA270 LOGICPD_PXA270 930 ++cpu777 MACH_CPU777 CPU777 931 ++simicon9201 MACH_SIMICON9201 SIMICON9201 932 ++leap2_hpm MACH_LEAP2_HPM LEAP2_HPM 933 ++cm922txa10 MACH_CM922TXA10 CM922TXA10 934 ++sandgate MACH_PXA PXA 935 ++sandgate2 MACH_SANDGATE2 SANDGATE2 936 ++sandgate2g MACH_SANDGATE2G SANDGATE2G 937 ++sandgate2p MACH_SANDGATE2P SANDGATE2P 938 ++fred_jack MACH_FRED_JACK FRED_JACK 939 ++ttg_color1 MACH_TTG_COLOR1 TTG_COLOR1 940 + nxeb500hmi MACH_NXEB500HMI NXEB500HMI 941 ++netdcu8 MACH_NETDCU8 NETDCU8 942 ++ng_fvx538 MACH_NG_FVX538 NG_FVX538 944 ++ng_fvs338 MACH_NG_FVS338 NG_FVS338 945 ++pnx4103 MACH_PNX4103 PNX4103 946 ++hesdb MACH_HESDB HESDB 947 ++xsilo MACH_XSILO XSILO 948 + espresso MACH_ESPRESSO ESPRESSO 949 ++emlc MACH_EMLC EMLC 950 ++sisteron MACH_SISTERON SISTERON 951 + rx1950 MACH_RX1950 RX1950 952 ++tsc_venus MACH_TSC_VENUS TSC_VENUS 953 ++ds101j MACH_DS101J DS101J 954 ++mxc30030ads MACH_MXC30030ADS MXC30030ADS 955 ++fujitsu_wimaxsoc MACH_FUJITSU_WIMAXSOC FUJITSU_WIMAXSOC 956 ++dualpcmodem MACH_DUALPCMODEM DUALPCMODEM 957 + gesbc9312 MACH_GESBC9312 GESBC9312 958 ++htcapache MACH_HTCAPACHE HTCAPACHE 959 ++ixdp435 MACH_IXDP435 IXDP435 960 ++catprovt100 MACH_CATPROVT100 CATPROVT100 961 ++picotux1xx MACH_PICOTUX1XX PICOTUX1XX 962 + picotux2xx MACH_PICOTUX2XX PICOTUX2XX 963 + dsmg600 MACH_DSMG600 DSMG600 964 ++empc2 MACH_EMPC2 EMPC2 965 ++ventura MACH_VENTURA VENTURA 966 ++phidget_sbc MACH_PHIDGET_SBC PHIDGET_SBC 967 ++ij3k MACH_IJ3K IJ3K 968 ++pisgah MACH_PISGAH PISGAH 969 + omap_fsample MACH_OMAP_FSAMPLE OMAP_FSAMPLE 970 ++sg720 MACH_SG720 SG720 971 ++redfox MACH_REDFOX REDFOX 972 ++mysh_ep9315_1 MACH_MYSH_EP9315_1 MYSH_EP9315_1 973 ++tpf106 MACH_TPF106 TPF106 974 ++at91rm9200kg MACH_AT91RM9200KG AT91RM9200KG 975 ++rcmt2 MACH_SLEDB SLEDB 976 ++ontrack MACH_ONTRACK ONTRACK 977 ++pm1200 MACH_PM1200 PM1200 978 ++ess24562 MACH_ESS24XXX ESS24XXX 979 ++coremp7 MACH_COREMP7 COREMP7 980 ++nexcoder_6446 MACH_NEXCODER_6446 NEXCODER_6446 981 ++stvc8380 MACH_STVC8380 STVC8380 982 ++teklynx MACH_TEKLYNX TEKLYNX 983 ++carbonado MACH_CARBONADO CARBONADO 984 ++sysmos_mp730 MACH_SYSMOS_MP730 SYSMOS_MP730 985 + snapper_cl15 MACH_SNAPPER_CL15 SNAPPER_CL15 986 ++pgigim MACH_PGIGIM PGIGIM 987 ++ptx9160p2 MACH_PTX9160P2 PTX9160P2 988 ++dcore1 MACH_DCORE1 DCORE1 989 ++victorpxa MACH_VICTORPXA VICTORPXA 990 ++mx2dtb MACH_MX2DTB MX2DTB 991 ++pxa_irex_er0100 MACH_PXA_IREX_ER0100 PXA_IREX_ER0100 992 + omap_palmz71 MACH_OMAP_PALMZ71 OMAP_PALMZ71 993 ++bartec_deg MACH_BARTEC_DEG BARTEC_DEG 994 ++hw50251 MACH_HW50251 HW50251 995 ++ibox MACH_IBOX IBOX 996 ++atlaslh7a404 MACH_ATLASLH7A404 ATLASLH7A404 997 ++pt2026 MACH_PT2026 PT2026 998 ++htcalpine MACH_HTCALPINE HTCALPINE 999 ++bartec_vtu MACH_BARTEC_VTU BARTEC_VTU 1000 ++vcoreii MACH_VCOREII VCOREII 1001 ++pdnb3 MACH_PDNB3 PDNB3 1002 ++htcbeetles MACH_HTCBEETLES HTCBEETLES 1003 ++s3c6400 MACH_S3C6400 S3C6400 1004 ++s3c2443 MACH_S3C2443 S3C2443 1005 ++omap_ldk MACH_OMAP_LDK OMAP_LDK 1006 ++smdk2460 MACH_SMDK2460 SMDK2460 1007 ++smdk2440 MACH_SMDK2440 SMDK2440 1008 + smdk2412 MACH_SMDK2412 SMDK2412 1009 ++webbox MACH_WEBBOX WEBBOX 1010 ++cwwndp MACH_CWWNDP CWWNDP 1011 ++i839 MACH_DRAGON DRAGON 1012 ++opendo_cpu_board MACH_OPENDO_CPU_BOARD OPENDO_CPU_BOARD 1013 ++ccm2200 MACH_CCM2200 CCM2200 1014 ++etwarm MACH_ETWARM ETWARM 1015 ++m93030 MACH_M93030 M93030 1016 ++cc7u MACH_CC7U CC7U 1017 ++mtt_ranger MACH_MTT_RANGER MTT_RANGER 1018 ++nexus MACH_NEXUS NEXUS 1019 ++desman MACH_DESMAN DESMAN 1020 ++bkde303 MACH_BKDE303 BKDE303 1021 + smdk2413 MACH_SMDK2413 SMDK2413 1022 ++aml_m7200 MACH_AML_M7200 AML_M7200 1023 + aml_m5900 MACH_AML_M5900 AML_M5900 1024 ++sg640 MACH_SG640 SG640 1025 ++edg79524 MACH_EDG79524 EDG79524 1026 ++ai2410 MACH_AI2410 AI2410 1027 ++ixp465 MACH_IXP465 IXP465 1028 + balloon3 MACH_BALLOON3 BALLOON3 1029 ++heins MACH_HEINS HEINS 1030 ++mpluseva MACH_MPLUSEVA MPLUSEVA 1031 ++rt042 MACH_RT042 RT042 1032 ++cwiem MACH_CWIEM CWIEM 1033 ++cm_x270 MACH_CM_X270 CM_X270 1034 ++cm_x255 MACH_CM_X255 CM_X255 1035 ++esh_at91 MACH_ESH_AT91 ESH_AT91 1036 ++sandgate3 MACH_SANDGATE3 SANDGATE3 1037 ++primo MACH_PRIMO PRIMO 1038 ++gemstone MACH_GEMSTONE GEMSTONE 1039 ++pronghorn_metro MACH_PRONGHORNMETRO PRONGHORNMETRO 1040 ++sidewinder MACH_SIDEWINDER SIDEWINDER 1041 ++picomod1 MACH_PICOMOD1 PICOMOD1 1042 ++sg590 MACH_SG590 SG590 1043 ++akai9307 MACH_AKAI9307 AKAI9307 1044 ++fontaine MACH_FONTAINE FONTAINE 1045 ++wombat MACH_WOMBAT WOMBAT 1046 ++acq300 MACH_ACQ300 ACQ300 1047 ++mod272 MACH_MOD_270 MOD_270 1048 ++vmc_vc0820 MACH_VC0820 VC0820 1049 ++ani_aim MACH_ANI_AIM ANI_AIM 1050 ++jellyfish MACH_JELLYFISH JELLYFISH 1051 ++amanita MACH_AMANITA AMANITA 1052 ++vlink MACH_VLINK VLINK 1053 ++dexflex MACH_DEXFLEX DEXFLEX 1054 ++eigen_ttq MACH_EIGEN_TTQ EIGEN_TTQ 1055 ++arcom_titan MACH_ARCOM_TITAN ARCOM_TITAN 1056 ++tabla MACH_TABLA TABLA 1057 ++mdirac3 MACH_MDIRAC3 MDIRAC3 1058 ++mrhfbp2 MACH_MRHFBP2 MRHFBP2 1059 ++at91rm9200rb MACH_AT91RM9200RB AT91RM9200RB 1060 ++ani_apm MACH_ANI_APM ANI_APM 1061 ++ella1 MACH_ELLA1 ELLA1 1062 ++inhand_pxa27x MACH_INHAND_PXA27X INHAND_PXA27X 1063 ++inhand_pxa25x MACH_INHAND_PXA25X INHAND_PXA25X 1064 ++empos_xm MACH_EMPOS_XM EMPOS_XM 1065 ++empos MACH_EMPOS EMPOS 1066 ++empos_tiny MACH_EMPOS_TINY EMPOS_TINY 1067 ++empos_sm MACH_EMPOS_SM EMPOS_SM 1068 ++egret MACH_EGRET EGRET 1069 ++ostrich MACH_OSTRICH OSTRICH 1070 ++n50 MACH_N50 N50 1071 + ecbat91 MACH_ECBAT91 ECBAT91 1072 ++stareast MACH_STAREAST STAREAST 1073 ++dspg_dw MACH_DSPG_DW DSPG_DW 1074 + onearm MACH_ONEARM ONEARM 1075 ++mrg110_6 MACH_MRG110_6 MRG110_6 1076 ++wrt300nv2 MACH_WRT300NV2 WRT300NV2 1077 ++xm_bulverde MACH_XM_BULVERDE XM_BULVERDE 1078 ++msm6100 MACH_MSM6100 MSM6100 1079 ++eti_b1 MACH_ETI_B1 ETI_B1 1080 ++za9l_series MACH_ZILOG_ZA9L ZILOG_ZA9L 1081 ++bit2440 MACH_BIT2440 BIT2440 1082 ++nbi MACH_NBI NBI 1083 + smdk2443 MACH_SMDK2443 SMDK2443 1084 ++vdavinci MACH_VDAVINCI VDAVINCI 1085 ++atc6 MACH_ATC6 ATC6 1086 ++multmdw MACH_MULTMDW MULTMDW 1087 ++mba2440 MACH_MBA2440 MBA2440 1088 ++ecsd MACH_ECSD ECSD 1089 ++palmz31 MACH_PALMZ31 PALMZ31 1090 + fsg MACH_FSG FSG 1091 ++razor101 MACH_RAZOR101 RAZOR101 1092 ++opera_tdm MACH_OPERA_TDM OPERA_TDM 1093 ++comcerto MACH_COMCERTO COMCERTO 1094 ++tb0319 MACH_TB0319 TB0319 1095 ++kws8000 MACH_KWS8000 KWS8000 1096 ++b2 MACH_B2 B2 1097 ++lcl54 MACH_LCL54 LCL54 1098 + at91sam9260ek MACH_AT91SAM9260EK AT91SAM9260EK 1099 + glantank MACH_GLANTANK GLANTANK 1100 + n2100 MACH_N2100 N2100 1101 ++n4100 MACH_N4100 N4100 1102 ++rsc4 MACH_VERTICAL_RSC4 VERTICAL_RSC4 1103 ++sg8100 MACH_SG8100 SG8100 1104 ++im42xx MACH_IM42XX IM42XX 1105 ++ftxx MACH_FTXX FTXX 1106 ++lwfusion MACH_LWFUSION LWFUSION 1107 + qt2410 MACH_QT2410 QT2410 1108 + kixrp435 MACH_KIXRP435 KIXRP435 1109 ++ccw9c MACH_CCW9C CCW9C 1110 ++dabhs MACH_DABHS DABHS 1111 ++gzmx MACH_GZMX GZMX 1112 ++ipnw100ap MACH_IPNW100AP IPNW100AP 1113 + cc9p9360dev MACH_CC9P9360DEV CC9P9360DEV 1114 ++cc9p9750dev MACH_CC9P9750DEV CC9P9750DEV 1115 ++cc9p9360val MACH_CC9P9360VAL CC9P9360VAL 1116 ++cc9p9750val MACH_CC9P9750VAL CC9P9750VAL 1117 ++nx70v MACH_NX70V NX70V 1118 ++at91rm9200df MACH_AT91RM9200DF AT91RM9200DF 1119 ++se_pilot2 MACH_SE_PILOT2 SE_PILOT2 1120 ++mtcn_t800 MACH_MTCN_T800 MTCN_T800 1121 ++vcmx212 MACH_VCMX212 VCMX212 1122 ++lynx MACH_LYNX LYNX 1123 ++at91sam9260id MACH_AT91SAM9260ID AT91SAM9260ID 1124 ++hw86052 MACH_HW86052 HW86052 1125 ++pilz_pmi3 MACH_PILZ_PMI3 PILZ_PMI3 1126 + edb9302a MACH_EDB9302A EDB9302A 1127 + edb9307a MACH_EDB9307A EDB9307A 1128 ++ct_dfs MACH_CT_DFS CT_DFS 1129 ++pilz_pmi4 MACH_PILZ_PMI4 PILZ_PMI4 1130 ++xceednp_ixp MACH_XCEEDNP_IXP XCEEDNP_IXP 1131 ++smdk2442b MACH_SMDK2442B SMDK2442B 1132 ++xnode MACH_XNODE XNODE 1133 ++aidx270 MACH_AIDX270 AIDX270 1134 ++rema MACH_REMA REMA 1135 ++bps1000 MACH_BPS1000 BPS1000 1136 ++hw90350 MACH_HW90350 HW90350 1137 + omap_3430sdp MACH_OMAP_3430SDP OMAP_3430SDP 1138 ++bluetouch MACH_BLUETOUCH BLUETOUCH 1139 + vstms MACH_VSTMS VSTMS 1140 ++xsbase270 MACH_XSBASE270 XSBASE270 1141 ++at91sam9260ek_cn MACH_AT91SAM9260EK_CN AT91SAM9260EK_CN 1142 ++adsturboxb MACH_ADSTURBOXB ADSTURBOXB 1143 ++oti4110 MACH_OTI4110 OTI4110 1144 ++hme_pxa MACH_HME_PXA HME_PXA 1145 ++deisterdca MACH_DEISTERDCA DEISTERDCA 1146 ++ces_ssem2 MACH_CES_SSEM2 CES_SSEM2 1147 ++ces_mtr MACH_CES_MTR CES_MTR 1148 ++tds_avng_sbc MACH_TDS_AVNG_SBC TDS_AVNG_SBC 1149 ++everest MACH_EVEREST EVEREST 1150 ++pnx4010 MACH_PNX4010 PNX4010 1151 ++oxnas MACH_OXNAS OXNAS 1152 ++fiori MACH_FIORI FIORI 1153 ++ml1200 MACH_ML1200 ML1200 1154 ++pecos MACH_PECOS PECOS 1155 ++nb2xxx MACH_NB2XXX NB2XXX 1156 ++hw6900 MACH_HW6900 HW6900 1157 ++cdcs_quoll MACH_CDCS_QUOLL CDCS_QUOLL 1158 ++quicksilver MACH_QUICKSILVER QUICKSILVER 1159 ++uplat926 MACH_UPLAT926 UPLAT926 1160 ++dep2410_dep2410 MACH_DEP2410_THOMAS DEP2410_THOMAS 1161 ++dtk2410 MACH_DTK2410 DTK2410 1162 ++chili MACH_CHILI CHILI 1163 ++demeter MACH_DEMETER DEMETER 1164 ++dionysus MACH_DIONYSUS DIONYSUS 1165 ++as352x MACH_AS352X AS352X 1166 ++service MACH_SERVICE SERVICE 1167 ++cs_e9301 MACH_CS_E9301 CS_E9301 1168 + micro9m MACH_MICRO9M MICRO9M 1169 ++ia_mospck MACH_IA_MOSPCK IA_MOSPCK 1170 ++ql201b MACH_QL201B QL201B 1171 ++bbm MACH_BBM BBM 1174 ++exxx MACH_EXXX EXXX 1175 ++wma11b MACH_WMA11B WMA11B 1176 ++pelco_atlas MACH_PELCO_ATLAS PELCO_ATLAS 1177 ++g500 MACH_G500 G500 1178 + bug MACH_BUG BUG 1179 ++mx33ads MACH_MX33ADS MX33ADS 1180 ++chub MACH_CHUB CHUB 1181 ++neo1973_gta01 MACH_NEO1973_GTA01 NEO1973_GTA01 1182 ++w90n740 MACH_W90N740 W90N740 1183 ++medallion_sa2410 MACH_MEDALLION_SA2410 MEDALLION_SA2410 1184 ++ia_cpu_9200_2 MACH_IA_CPU_9200_2 IA_CPU_9200_2 1185 ++dimmrm9200 MACH_DIMMRM9200 DIMMRM9200 1186 ++pm9261 MACH_PM9261 PM9261 1187 ++ml7304 MACH_ML7304 ML7304 1189 ++ucp250 MACH_UCP250 UCP250 1190 ++intboard MACH_INTBOARD INTBOARD 1191 ++gulfstream MACH_GULFSTREAM GULFSTREAM 1192 ++labquest MACH_LABQUEST LABQUEST 1193 ++vcmx313 MACH_VCMX313 VCMX313 1194 ++urg200 MACH_URG200 URG200 1195 ++cpux255lcdnet MACH_CPUX255LCDNET CPUX255LCDNET 1196 ++netdcu9 MACH_NETDCU9 NETDCU9 1197 ++netdcu10 MACH_NETDCU10 NETDCU10 1198 ++dspg_dga MACH_DSPG_DGA DSPG_DGA 1199 ++dspg_dvw MACH_DSPG_DVW DSPG_DVW 1200 ++solos MACH_SOLOS SOLOS 1201 + at91sam9263ek MACH_AT91SAM9263EK AT91SAM9263EK 1202 ++osstbox MACH_OSSTBOX OSSTBOX 1203 ++kbat9261 MACH_KBAT9261 KBAT9261 1204 ++ct1100 MACH_CT1100 CT1100 1205 ++akcppxa MACH_AKCPPXA AKCPPXA 1206 ++ochaya1020 MACH_OCHAYA1020 OCHAYA1020 1207 ++hitrack MACH_HITRACK HITRACK 1208 ++syme1 MACH_SYME1 SYME1 1209 ++syhl1 MACH_SYHL1 SYHL1 1210 ++empca400 MACH_EMPCA400 EMPCA400 1211 + em7210 MACH_EM7210 EM7210 1212 ++htchermes MACH_HTCHERMES HTCHERMES 1213 ++eti_c1 MACH_ETI_C1 ETI_C1 1214 ++ac100 MACH_AC100 AC100 1216 ++sneetch MACH_SNEETCH SNEETCH 1217 ++studentmate MACH_STUDENTMATE STUDENTMATE 1218 ++zir2410 MACH_ZIR2410 ZIR2410 1219 ++zir2413 MACH_ZIR2413 ZIR2413 1220 ++dlonip3 MACH_DLONIP3 DLONIP3 1221 ++instream MACH_INSTREAM INSTREAM 1222 ++ambarella MACH_AMBARELLA AMBARELLA 1223 ++nevis MACH_NEVIS NEVIS 1224 ++htc_trinity MACH_HTC_TRINITY HTC_TRINITY 1225 ++ql202b MACH_QL202B QL202B 1226 + vpac270 MACH_VPAC270 VPAC270 1227 ++rd129 MACH_RD129 RD129 1228 ++htcwizard MACH_HTCWIZARD HTCWIZARD 1229 + treo680 MACH_TREO680 TREO680 1230 ++tecon_tmezon MACH_TECON_TMEZON TECON_TMEZON 1231 + zylonite MACH_ZYLONITE ZYLONITE 1233 ++gene1270 MACH_GENE1270 GENE1270 1234 ++zir2412 MACH_ZIR2412 ZIR2412 1235 + mx31lite MACH_MX31LITE MX31LITE 1236 ++t700wx MACH_T700WX T700WX 1237 ++vf100 MACH_VF100 VF100 1238 ++nsb2 MACH_NSB2 NSB2 1239 ++nxhmi_bb MACH_NXHMI_BB NXHMI_BB 1240 ++nxhmi_re MACH_NXHMI_RE NXHMI_RE 1241 ++n4100pro MACH_N4100PRO N4100PRO 1242 ++sam9260 MACH_SAM9260 SAM9260 1243 ++omap_treo600 MACH_OMAP_TREO600 OMAP_TREO600 1244 ++indy2410 MACH_INDY2410 INDY2410 1245 ++nelt_a MACH_NELT_A NELT_A 1246 ++n311 MACH_N311 N311 1248 ++at91sam9260vgk MACH_AT91SAM9260VGK AT91SAM9260VGK 1249 ++at91leppe MACH_AT91LEPPE AT91LEPPE 1250 ++at91lepccn MACH_AT91LEPCCN AT91LEPCCN 1251 ++apc7100 MACH_APC7100 APC7100 1252 ++stargazer MACH_STARGAZER STARGAZER 1253 ++sonata MACH_SONATA SONATA 1254 ++schmoogie MACH_SCHMOOGIE SCHMOOGIE 1255 ++aztool MACH_AZTOOL AZTOOL 1256 + mioa701 MACH_MIOA701 MIOA701 1257 ++sxni9260 MACH_SXNI9260 SXNI9260 1258 ++mxc27520evb MACH_MXC27520EVB MXC27520EVB 1259 + armadillo5x0 MACH_ARMADILLO5X0 ARMADILLO5X0 1260 ++mb9260 MACH_MB9260 MB9260 1261 ++mb9263 MACH_MB9263 MB9263 1262 ++ipac9302 MACH_IPAC9302 IPAC9302 1263 + cc9p9360js MACH_CC9P9360JS CC9P9360JS 1264 ++gallium MACH_GALLIUM GALLIUM 1265 ++msc2410 MACH_MSC2410 MSC2410 1266 ++ghi270 MACH_GHI270 GHI270 1267 ++davinci_leonardo MACH_DAVINCI_LEONARDO DAVINCI_LEONARDO 1268 ++oiab MACH_OIAB OIAB 1269 + smdk6400 MACH_SMDK6400 SMDK6400 1270 + nokia_n800 MACH_NOKIA_N800 NOKIA_N800 1271 ++greenphone MACH_GREENPHONE GREENPHONE 1272 ++compex42x MACH_COMPEXWP18 COMPEXWP18 1273 ++xmate MACH_XMATE XMATE 1274 ++energizer MACH_ENERGIZER ENERGIZER 1275 ++ime1 MACH_IME1 IME1 1276 ++sweda_tms MACH_SWEDATMS SWEDATMS 1277 ++ntnp435c MACH_NTNP435C NTNP435C 1278 ++spectro2 MACH_SPECTRO2 SPECTRO2 1279 ++h6039 MACH_H6039 H6039 1280 + ep80219 MACH_EP80219 EP80219 1281 ++samoa_ii MACH_SAMOA_II SAMOA_II 1282 ++cwmxl MACH_CWMXL CWMXL 1283 ++as9200 MACH_AS9200 AS9200 1284 ++sfx1149 MACH_SFX1149 SFX1149 1285 ++navi010 MACH_NAVI010 NAVI010 1286 ++multmdp MACH_MULTMDP MULTMDP 1287 ++scb9520 MACH_SCB9520 SCB9520 1288 ++htcathena MACH_HTCATHENA HTCATHENA 1289 ++xp179 MACH_XP179 XP179 1290 ++h4300 MACH_H4300 H4300 1291 + goramo_mlr MACH_GORAMO_MLR GORAMO_MLR 1292 ++mxc30020evb MACH_MXC30020EVB MXC30020EVB 1293 ++adsbitsyg5 MACH_ADSBITSYG5 ADSBITSYG5 1294 ++adsportalplus MACH_ADSPORTALPLUS ADSPORTALPLUS 1295 ++mmsp2plus MACH_MMSP2PLUS MMSP2PLUS 1296 + em_x270 MACH_EM_X270 EM_X270 1297 ++tpp302 MACH_TPP302 TPP302 1298 ++tpp104 MACH_TPM104 TPM104 1299 ++tpm102 MACH_TPM102 TPM102 1300 ++tpm109 MACH_TPM109 TPM109 1301 ++fbxo1 MACH_FBXO1 FBXO1 1302 ++hxd8 MACH_HXD8 HXD8 1303 + neo1973_gta02 MACH_NEO1973_GTA02 NEO1973_GTA02 1304 ++emtest MACH_EMTEST EMTEST 1305 ++ad6900 MACH_AD6900 AD6900 1306 ++europa MACH_EUROPA EUROPA 1307 ++metroconnect MACH_METROCONNECT METROCONNECT 1308 ++ez_s2410 MACH_EZ_S2410 EZ_S2410 1309 ++ez_s2440 MACH_EZ_S2440 EZ_S2440 1310 ++ez_ep9312 MACH_EZ_EP9312 EZ_EP9312 1311 ++ez_ep9315 MACH_EZ_EP9315 EZ_EP9315 1312 ++ez_x7 MACH_EZ_X7 EZ_X7 1313 ++godotdb MACH_GODOTDB GODOTDB 1314 ++mistral MACH_MISTRAL MISTRAL 1315 ++msm MACH_MSM MSM 1316 ++ct5910 MACH_CT5910 CT5910 1317 ++ct5912 MACH_CT5912 CT5912 1318 ++argonst_mp MACH_HYNET_INE HYNET_INE 1319 ++hynet_app MACH_HYNET_APP HYNET_APP 1320 ++msm7200 MACH_MSM7200 MSM7200 1321 ++msm7600 MACH_MSM7600 MSM7600 1322 ++ceb255 MACH_CEB255 CEB255 1323 ++ciel MACH_CIEL CIEL 1324 ++slm5650 MACH_SLM5650 SLM5650 1325 + at91sam9rlek MACH_AT91SAM9RLEK AT91SAM9RLEK 1326 ++comtech_router MACH_COMTECH_ROUTER COMTECH_ROUTER 1327 ++sbc2410x MACH_SBC2410X SBC2410X 1328 ++at4x0bd MACH_AT4X0BD AT4X0BD 1329 ++cbifr MACH_CBIFR CBIFR 1330 ++arcom_quantum MACH_ARCOM_QUANTUM ARCOM_QUANTUM 1331 ++matrix520 MACH_MATRIX520 MATRIX520 1332 ++matrix510 MACH_MATRIX510 MATRIX510 1333 ++matrix500 MACH_MATRIX500 MATRIX500 1334 ++m501 MACH_M501 M501 1335 ++aaeon1270 MACH_AAEON1270 AAEON1270 1336 ++matrix500ev MACH_MATRIX500EV MATRIX500EV 1337 ++pac500 MACH_PAC500 PAC500 1338 ++pnx8181 MACH_PNX8181 PNX8181 1339 + colibri320 MACH_COLIBRI320 COLIBRI320 1340 ++aztoolbb MACH_AZTOOLBB AZTOOLBB 1341 ++aztoolg2 MACH_AZTOOLG2 AZTOOLG2 1342 ++dvlhost MACH_DVLHOST DVLHOST 1343 ++zir9200 MACH_ZIR9200 ZIR9200 1344 ++zir9260 MACH_ZIR9260 ZIR9260 1345 ++cocopah MACH_COCOPAH COCOPAH 1346 ++nds MACH_NDS NDS 1347 ++rosencrantz MACH_ROSENCRANTZ ROSENCRANTZ 1348 ++fttx_odsc MACH_FTTX_ODSC FTTX_ODSC 1349 ++classe_r6904 MACH_CLASSE_R6904 CLASSE_R6904 1350 + cam60 MACH_CAM60 CAM60 1351 ++mxc30031ads MACH_MXC30031ADS MXC30031ADS 1352 ++datacall MACH_DATACALL DATACALL 1353 + at91eb01 MACH_AT91EB01 AT91EB01 1354 ++rty MACH_RTY RTY 1355 ++dwl2100 MACH_DWL2100 DWL2100 1356 ++vinsi MACH_VINSI VINSI 1357 + db88f5281 MACH_DB88F5281 DB88F5281 1358 + csb726 MACH_CSB726 CSB726 1359 ++tik27 MACH_TIK27 TIK27 1360 ++mx_uc7420 MACH_MX_UC7420 MX_UC7420 1361 ++rirm3 MACH_RIRM3 RIRM3 1362 ++pelco_odyssey MACH_PELCO_ODYSSEY PELCO_ODYSSEY 1363 ++adx_abox MACH_ADX_ABOX ADX_ABOX 1365 ++adx_tpid MACH_ADX_TPID ADX_TPID 1366 ++minicheck MACH_MINICHECK MINICHECK 1367 ++idam MACH_IDAM IDAM 1368 ++mario_mx MACH_MARIO_MX MARIO_MX 1369 ++vi1888 MACH_VI1888 VI1888 1370 ++zr4230 MACH_ZR4230 ZR4230 1371 ++t1_ix_blue MACH_T1_IX_BLUE T1_IX_BLUE 1372 ++syhq2 MACH_SYHQ2 SYHQ2 1373 ++computime_r3 MACH_COMPUTIME_R3 COMPUTIME_R3 1374 ++oratis MACH_ORATIS ORATIS 1375 ++mikko MACH_MIKKO MIKKO 1376 ++holon MACH_HOLON HOLON 1377 ++olip8 MACH_OLIP8 OLIP8 1378 ++ghi270hg MACH_GHI270HG GHI270HG 1379 + davinci_dm6467_evm MACH_DAVINCI_DM6467_EVM DAVINCI_DM6467_EVM 1380 + davinci_dm355_evm MACH_DAVINCI_DM355_EVM DAVINCI_DM355_EVM 1381 ++blackriver MACH_BLACKRIVER BLACKRIVER 1383 ++sandgate_wp MACH_SANDGATEWP SANDGATEWP 1384 ++cdotbwsg MACH_CDOTBWSG CDOTBWSG 1385 ++quark963 MACH_QUARK963 QUARK963 1386 ++csb735 MACH_CSB735 CSB735 1387 + littleton MACH_LITTLETON LITTLETON 1388 ++mio_p550 MACH_MIO_P550 MIO_P550 1389 ++motion2440 MACH_MOTION2440 MOTION2440 1390 ++imm500 MACH_IMM500 IMM500 1391 ++homematic MACH_HOMEMATIC HOMEMATIC 1392 ++ermine MACH_ERMINE ERMINE 1393 ++kb9202b MACH_KB9202B KB9202B 1394 ++hs1xx MACH_HS1XX HS1XX 1395 ++studentmate2440 MACH_STUDENTMATE2440 STUDENTMATE2440 1396 ++arvoo_l1_z1 MACH_ARVOO_L1_Z1 ARVOO_L1_Z1 1397 ++dep2410k MACH_DEP2410K DEP2410K 1398 ++xxsvideo MACH_XXSVIDEO XXSVIDEO 1399 ++im4004 MACH_IM4004 IM4004 1400 ++ochaya1050 MACH_OCHAYA1050 OCHAYA1050 1401 ++lep9261 MACH_LEP9261 LEP9261 1402 ++svenmeb MACH_SVENMEB SVENMEB 1403 ++fortunet2ne MACH_FORTUNET2NE FORTUNET2NE 1404 ++nxhx MACH_NXHX NXHX 1406 + realview_pb11mp MACH_REALVIEW_PB11MP REALVIEW_PB11MP 1407 ++ids500 MACH_IDS500 IDS500 1408 ++ors_n725 MACH_ORS_N725 ORS_N725 1409 ++hsdarm MACH_HSDARM HSDARM 1410 ++sha_pon003 MACH_SHA_PON003 SHA_PON003 1411 ++sha_pon004 MACH_SHA_PON004 SHA_PON004 1412 ++sha_pon007 MACH_SHA_PON007 SHA_PON007 1413 ++sha_pon011 MACH_SHA_PON011 SHA_PON011 1414 ++h6042 MACH_H6042 H6042 1415 ++h6043 MACH_H6043 H6043 1416 ++looxc550 MACH_LOOXC550 LOOXC550 1417 ++cnty_titan MACH_CNTY_TITAN CNTY_TITAN 1418 ++app3xx MACH_APP3XX APP3XX 1419 ++sideoatsgrama MACH_SIDEOATSGRAMA SIDEOATSGRAMA 1420 ++treo700p MACH_TREO700P TREO700P 1421 ++treo700w MACH_TREO700W TREO700W 1422 ++treo750 MACH_TREO750 TREO750 1423 ++treo755p MACH_TREO755P TREO755P 1424 ++ezreganut9200 MACH_EZREGANUT9200 EZREGANUT9200 1425 ++sarge MACH_SARGE SARGE 1426 ++a696 MACH_A696 A696 1427 ++turtle1916 MACH_TURTLE TURTLE 1428 + mx27_3ds MACH_MX27_3DS MX27_3DS 1430 ++bishop MACH_BISHOP BISHOP 1431 ++pxx MACH_PXX PXX 1432 ++redwood MACH_REDWOOD REDWOOD 1433 ++omap_2430dlp MACH_OMAP_2430DLP OMAP_2430DLP 1436 ++omap_2430osk MACH_OMAP_2430OSK OMAP_2430OSK 1437 ++sardine MACH_SARDINE SARDINE 1438 + halibut MACH_HALIBUT HALIBUT 1439 + trout MACH_TROUT TROUT 1440 ++goldfish MACH_GOLDFISH GOLDFISH 1441 ++gesbc2440 MACH_GESBC2440 GESBC2440 1442 ++nomad MACH_NOMAD NOMAD 1443 ++rosalind MACH_ROSALIND ROSALIND 1444 ++cc9p9215 MACH_CC9P9215 CC9P9215 1445 ++cc9p9210 MACH_CC9P9210 CC9P9210 1446 ++cc9p9215js MACH_CC9P9215JS CC9P9215JS 1447 ++cc9p9210js MACH_CC9P9210JS CC9P9210JS 1448 ++nasffe MACH_NASFFE NASFFE 1449 ++tn2x0bd MACH_TN2X0BD TN2X0BD 1450 ++gwmpxa MACH_GWMPXA GWMPXA 1451 ++exyplus MACH_EXYPLUS EXYPLUS 1452 ++jadoo21 MACH_JADOO21 JADOO21 1453 ++looxn560 MACH_LOOXN560 LOOXN560 1454 ++bonsai MACH_BONSAI BONSAI 1455 ++adsmilgato MACH_ADSMILGATO ADSMILGATO 1456 ++gba MACH_GBA GBA 1457 ++h6044 MACH_H6044 H6044 1458 ++app MACH_APP APP 1459 + tct_hammer MACH_TCT_HAMMER TCT_HAMMER 1460 + herald MACH_HERALD HERALD 1461 ++artemis MACH_ARTEMIS ARTEMIS 1462 ++htctitan MACH_HTCTITAN HTCTITAN 1463 ++qranium MACH_QRANIUM QRANIUM 1464 ++adx_wsc2 MACH_ADX_WSC2 ADX_WSC2 1465 ++adx_medcom MACH_ADX_MEDCOM ADX_MEDCOM 1466 ++bboard MACH_BBOARD BBOARD 1467 ++cambria MACH_CAMBRIA CAMBRIA 1468 ++mt7xxx MACH_MT7XXX MT7XXX 1469 ++matrix512 MACH_MATRIX512 MATRIX512 1470 ++matrix522 MACH_MATRIX522 MATRIX522 1471 ++ipac5010 MACH_IPAC5010 IPAC5010 1472 ++sakura MACH_SAKURA SAKURA 1473 ++grocx MACH_GROCX GROCX 1474 ++pm9263 MACH_PM9263 PM9263 1475 + sim_one MACH_SIM_ONE SIM_ONE 1476 ++acq132 MACH_ACQ132 ACQ132 1477 ++datr MACH_DATR DATR 1478 ++actux1 MACH_ACTUX1 ACTUX1 1479 ++actux2 MACH_ACTUX2 ACTUX2 1480 ++actux3 MACH_ACTUX3 ACTUX3 1481 ++flexit MACH_FLEXIT FLEXIT 1482 ++bh2x0bd MACH_BH2X0BD BH2X0BD 1483 ++atb2002 MACH_ATB2002 ATB2002 1484 ++xenon MACH_XENON XENON 1485 ++fm607 MACH_FM607 FM607 1486 ++matrix514 MACH_MATRIX514 MATRIX514 1487 ++matrix524 MACH_MATRIX524 MATRIX524 1488 ++inpod MACH_INPOD INPOD 1489 + jive MACH_JIVE JIVE 1490 ++tll_mx21 MACH_TLL_MX21 TLL_MX21 1491 ++sbc2800 MACH_SBC2800 SBC2800 1492 ++cc7ucamry MACH_CC7UCAMRY CC7UCAMRY 1493 ++ubisys_p9_sc15 MACH_UBISYS_P9_SC15 UBISYS_P9_SC15 1494 ++ubisys_p9_ssc2d10 MACH_UBISYS_P9_SSC2D10 UBISYS_P9_SSC2D10 1495 ++ubisys_p9_rcu3 MACH_UBISYS_P9_RCU3 UBISYS_P9_RCU3 1496 ++aml_m8000 MACH_AML_M8000 AML_M8000 1497 ++snapper_270 MACH_SNAPPER_270 SNAPPER_270 1498 ++omap_bbx MACH_OMAP_BBX OMAP_BBX 1499 ++ucn2410 MACH_UCN2410 UCN2410 1500 + sam9_l9260 MACH_SAM9_L9260 SAM9_L9260 1501 ++eti_c2 MACH_ETI_C2 ETI_C2 1502 ++avalanche MACH_AVALANCHE AVALANCHE 1503 + realview_pb1176 MACH_REALVIEW_PB1176 REALVIEW_PB1176 1504 ++dp1500 MACH_DP1500 DP1500 1505 ++apple_iphone MACH_APPLE_IPHONE APPLE_IPHONE 1506 + yl9200 MACH_YL9200 YL9200 1507 + rd88f5182 MACH_RD88F5182 RD88F5182 1508 + kurobox_pro MACH_KUROBOX_PRO KUROBOX_PRO 1509 ++se_poet MACH_SE_POET SE_POET 1510 + mx31_3ds MACH_MX31_3DS MX31_3DS 1511 ++r270 MACH_R270 R270 1512 ++armour21 MACH_ARMOUR21 ARMOUR21 1513 ++dt2 MACH_DT2 DT2 1514 ++vt4 MACH_VT4 VT4 1515 ++tyco320 MACH_TYCO320 TYCO320 1516 ++adma MACH_ADMA ADMA 1517 ++wp188 MACH_WP188 WP188 1518 ++corsica MACH_CORSICA CORSICA 1519 ++bigeye MACH_BIGEYE BIGEYE 1520 ++tll5000 MACH_TLL5000 TLL5000 1522 ++bebot MACH_BEBOT BEBOT 1523 + qong MACH_QONG QONG 1524 ++tcompact MACH_TCOMPACT TCOMPACT 1525 ++puma5 MACH_PUMA5 PUMA5 1526 ++elara MACH_ELARA ELARA 1527 ++ellington MACH_ELLINGTON ELLINGTON 1528 ++xda_atom MACH_XDA_ATOM XDA_ATOM 1529 ++energizer2 MACH_ENERGIZER2 ENERGIZER2 1530 ++odin MACH_ODIN ODIN 1531 ++actux4 MACH_ACTUX4 ACTUX4 1532 ++esl_omap MACH_ESL_OMAP ESL_OMAP 1533 + omap2evm MACH_OMAP2EVM OMAP2EVM 1534 + omap3evm MACH_OMAP3EVM OMAP3EVM 1535 ++adx_pcu57 MACH_ADX_PCU57 ADX_PCU57 1536 ++monaco MACH_MONACO MONACO 1537 ++levante MACH_LEVANTE LEVANTE 1538 ++tmxipx425 MACH_TMXIPX425 TMXIPX425 1539 ++leep MACH_LEEP LEEP 1540 ++raad MACH_RAAD RAAD 1541 + dns323 MACH_DNS323 DNS323 1542 ++ap1000 MACH_AP1000 AP1000 1543 ++a9sam6432 MACH_A9SAM6432 A9SAM6432 1544 ++shiny MACH_SHINY SHINY 1545 + omap3_beagle MACH_OMAP3_BEAGLE OMAP3_BEAGLE 1546 ++csr_bdb2 MACH_CSR_BDB2 CSR_BDB2 1547 + nokia_n810 MACH_NOKIA_N810 NOKIA_N810 1548 ++c270 MACH_C270 C270 1549 ++sentry MACH_SENTRY SENTRY 1550 + pcm038 MACH_PCM038 PCM038 1551 ++anc300 MACH_ANC300 ANC300 1552 ++htckaiser MACH_HTCKAISER HTCKAISER 1553 ++sbat100 MACH_SBAT100 SBAT100 1554 ++modunorm MACH_MODUNORM MODUNORM 1555 ++pelos_twarm MACH_PELOS_TWARM PELOS_TWARM 1556 ++flank MACH_FLANK FLANK 1557 ++sirloin MACH_SIRLOIN SIRLOIN 1558 ++brisket MACH_BRISKET BRISKET 1559 ++chuck MACH_CHUCK CHUCK 1560 ++otter MACH_OTTER OTTER 1561 ++davinci_ldk MACH_DAVINCI_LDK DAVINCI_LDK 1562 ++phreedom MACH_PHREEDOM PHREEDOM 1563 ++sg310 MACH_SG310 SG310 1564 + ts209 MACH_TS209 TS209 1565 + at91cap9adk MACH_AT91CAP9ADK AT91CAP9ADK 1566 ++tion9315 MACH_TION9315 TION9315 1567 ++mast MACH_MAST MAST 1568 ++pfw MACH_PFW PFW 1569 ++yl_p2440 MACH_YL_P2440 YL_P2440 1570 ++zsbc32 MACH_ZSBC32 ZSBC32 1571 ++omap_pace2 MACH_OMAP_PACE2 OMAP_PACE2 1572 ++imx_pace2 MACH_IMX_PACE2 IMX_PACE2 1573 + mx31moboard MACH_MX31MOBOARD MX31MOBOARD 1574 ++mx37_3ds MACH_MX37_3DS MX37_3DS 1575 ++rcc MACH_RCC RCC 1576 ++dmp MACH_ARM9 ARM9 1577 + vision_ep9307 MACH_VISION_EP9307 VISION_EP9307 1578 ++scly1000 MACH_SCLY1000 SCLY1000 1579 ++fontel_ep MACH_FONTEL_EP FONTEL_EP 1580 ++voiceblue3g MACH_VOICEBLUE3G VOICEBLUE3G 1581 ++tt9200 MACH_TT9200 TT9200 1582 ++digi2410 MACH_DIGI2410 DIGI2410 1583 + terastation_pro2 MACH_TERASTATION_PRO2 TERASTATION_PRO2 1584 + linkstation_pro MACH_LINKSTATION_PRO LINKSTATION_PRO 1585 ++motorola_a780 MACH_MOTOROLA_A780 MOTOROLA_A780 1587 ++motorola_e6 MACH_MOTOROLA_E6 MOTOROLA_E6 1588 ++motorola_e2 MACH_MOTOROLA_E2 MOTOROLA_E2 1589 ++motorola_e680 MACH_MOTOROLA_E680 MOTOROLA_E680 1590 ++ur2410 MACH_UR2410 UR2410 1591 ++tas9261 MACH_TAS9261 TAS9261 1592 ++davinci_hermes_hd MACH_HERMES_HD HERMES_HD 1593 ++davinci_perseo_hd MACH_PERSEO_HD PERSEO_HD 1594 ++stargazer2 MACH_STARGAZER2 STARGAZER2 1595 + e350 MACH_E350 E350 1596 ++wpcm450 MACH_WPCM450 WPCM450 1597 ++cartesio MACH_CARTESIO CARTESIO 1598 ++toybox MACH_TOYBOX TOYBOX 1599 ++tx27 MACH_TX27 TX27 1600 + ts409 MACH_TS409 TS409 1601 ++p300 MACH_P300 P300 1602 ++xdacomet MACH_XDACOMET XDACOMET 1603 ++dexflex2 MACH_DEXFLEX2 DEXFLEX2 1604 ++ow MACH_OW OW 1605 ++armebs3 MACH_ARMEBS3 ARMEBS3 1606 ++u3 MACH_U3 U3 1607 ++smdk2450 MACH_SMDK2450 SMDK2450 1608 + rsi_ews MACH_RSI_EWS RSI_EWS 1609 ++tnb MACH_TNB TNB 1610 ++toepath MACH_TOEPATH TOEPATH 1611 ++kb9263 MACH_KB9263 KB9263 1612 ++mt7108 MACH_MT7108 MT7108 1613 ++smtr2440 MACH_SMTR2440 SMTR2440 1614 ++manao MACH_MANAO MANAO 1615 + cm_x300 MACH_CM_X300 CM_X300 1616 ++gulfstream_kp MACH_GULFSTREAM_KP GULFSTREAM_KP 1617 ++lanreadyfn522 MACH_LANREADYFN522 LANREADYFN522 1618 ++arma37 MACH_ARMA37 ARMA37 1619 ++mendel MACH_MENDEL MENDEL 1620 ++pelco_iliad MACH_PELCO_ILIAD PELCO_ILIAD 1621 ++unit2p MACH_UNIT2P UNIT2P 1622 ++inc20otter MACH_INC20OTTER INC20OTTER 1623 + at91sam9g20ek MACH_AT91SAM9G20EK AT91SAM9G20EK 1624 ++sc_ge2 MACH_STORCENTER STORCENTER 1625 + smdk6410 MACH_SMDK6410 SMDK6410 1626 + u300 MACH_U300 U300 1627 ++u500 MACH_U500 U500 1628 ++ds9260 MACH_DS9260 DS9260 1629 ++riverrock MACH_RIVERROCK RIVERROCK 1630 ++scibath MACH_SCIBATH SCIBATH 1631 ++at91sam7se MACH_AT91SAM7SE512EK AT91SAM7SE512EK 1632 + wrt350n_v2 MACH_WRT350N_V2 WRT350N_V2 1633 ++multimedia MACH_MULTIMEDIA MULTIMEDIA 1634 ++marvin MACH_MARVIN MARVIN 1635 ++x500 MACH_X500 X500 1636 ++awlug4lcu MACH_AWLUG4LCU AWLUG4LCU 1637 ++palermoc MACH_PALERMOC PALERMOC 1638 + omap_ldp MACH_OMAP_LDP OMAP_LDP 1639 ++ip500 MACH_IP500 IP500 1640 ++ase2 MACH_ASE2 ASE2 1642 ++mx35evb MACH_MX35EVB MX35EVB 1643 ++aml_m8050 MACH_AML_M8050 AML_M8050 1644 + mx35_3ds MACH_MX35_3DS MX35_3DS 1645 ++mars MACH_MARS MARS 1646 + neuros_osd2 MACH_NEUROS_OSD2 NEUROS_OSD2 1647 ++badger MACH_BADGER BADGER 1648 + trizeps4wl MACH_TRIZEPS4WL TRIZEPS4WL 1649 ++trizeps5 MACH_TRIZEPS5 TRIZEPS5 1650 ++marlin MACH_MARLIN MARLIN 1651 + ts78xx MACH_TS78XX TS78XX 1652 ++hpipaq214 MACH_HPIPAQ214 HPIPAQ214 1653 ++at572d940dcm MACH_AT572D940DCM AT572D940DCM 1654 ++ne1board MACH_NE1BOARD NE1BOARD 1655 ++zante MACH_ZANTE ZANTE 1656 + sffsdr MACH_SFFSDR SFFSDR 1657 ++tw2662 MACH_TW2662 TW2662 1658 ++vf10xx MACH_VF10XX VF10XX 1659 ++zoran43xx MACH_ZORAN43XX ZORAN43XX 1660 ++sonix926 MACH_SONIX926 SONIX926 1661 ++celestialsemi MACH_CELESTIALSEMI CELESTIALSEMI 1662 ++cc9m2443js MACH_CC9M2443JS CC9M2443JS 1663 ++tw5334 MACH_TW5334 TW5334 1664 ++omap_htcartemis MACH_HTCARTEMIS HTCARTEMIS 1665 ++nal_hlite MACH_NAL_HLITE NAL_HLITE 1666 ++htcvogue MACH_HTCVOGUE HTCVOGUE 1667 ++smartweb MACH_SMARTWEB SMARTWEB 1668 ++mv86xx MACH_MV86XX MV86XX 1669 ++mv87xx MACH_MV87XX MV87XX 1670 ++songyoungho MACH_SONGYOUNGHO SONGYOUNGHO 1671 ++younghotema MACH_YOUNGHOTEMA YOUNGHOTEMA 1672 + pcm037 MACH_PCM037 PCM037 1673 ++mmvp MACH_MMVP MMVP 1674 ++mmap MACH_MMAP MMAP 1675 ++ptid2410 MACH_PTID2410 PTID2410 1676 ++james_926 MACH_JAMES_926 JAMES_926 1677 ++fm6000 MACH_FM6000 FM6000 1678 + db88f6281_bp MACH_DB88F6281_BP DB88F6281_BP 1680 + rd88f6192_nas MACH_RD88F6192_NAS RD88F6192_NAS 1681 + rd88f6281 MACH_RD88F6281 RD88F6281 1682 + db78x00_bp MACH_DB78X00_BP DB78X00_BP 1683 + smdk2416 MACH_SMDK2416 SMDK2416 1685 ++oce_spider_si MACH_OCE_SPIDER_SI OCE_SPIDER_SI 1686 ++oce_spider_sk MACH_OCE_SPIDER_SK OCE_SPIDER_SK 1687 ++rovern6 MACH_ROVERN6 ROVERN6 1688 ++pelco_evolution MACH_PELCO_EVOLUTION PELCO_EVOLUTION 1689 + wbd111 MACH_WBD111 WBD111 1690 ++elaracpe MACH_ELARACPE ELARACPE 1691 ++mabv3 MACH_MABV3 MABV3 1692 + mv2120 MACH_MV2120 MV2120 1693 ++csb737 MACH_CSB737 CSB737 1695 + mx51_3ds MACH_MX51_3DS MX51_3DS 1696 ++g900 MACH_G900 G900 1697 ++apf27 MACH_APF27 APF27 1698 ++ggus2000 MACH_GGUS2000 GGUS2000 1699 ++omap_2430_mimic MACH_OMAP_2430_MIMIC OMAP_2430_MIMIC 1700 + imx27lite MACH_IMX27LITE IMX27LITE 1701 ++almex MACH_ALMEX ALMEX 1702 ++control MACH_CONTROL CONTROL 1703 ++mba2410 MACH_MBA2410 MBA2410 1704 ++volcano MACH_VOLCANO VOLCANO 1705 ++zenith MACH_ZENITH ZENITH 1706 ++muchip MACH_MUCHIP MUCHIP 1707 ++magellan MACH_MAGELLAN MAGELLAN 1708 + usb_a9260 MACH_USB_A9260 USB_A9260 1709 + usb_a9263 MACH_USB_A9263 USB_A9263 1710 + qil_a9260 MACH_QIL_A9260 QIL_A9260 1711 ++cme9210 MACH_CME9210 CME9210 1712 ++hczh4 MACH_HCZH4 HCZH4 1713 ++spearbasic MACH_SPEARBASIC SPEARBASIC 1714 ++dep2440 MACH_DEP2440 DEP2440 1715 ++hdl_gxr MACH_HDL_GXR HDL_GXR 1716 ++hdl_gt MACH_HDL_GT HDL_GT 1717 ++hdl_4g MACH_HDL_4G HDL_4G 1718 ++s3c6000 MACH_S3C6000 S3C6000 1719 ++mmsp2_mdk MACH_MMSP2_MDK MMSP2_MDK 1720 ++mpx220 MACH_MPX220 MPX220 1721 + kzm_arm11_01 MACH_KZM_ARM11_01 KZM_ARM11_01 1722 ++htc_polaris MACH_HTC_POLARIS HTC_POLARIS 1723 ++htc_kaiser MACH_HTC_KAISER HTC_KAISER 1724 ++lg_ks20 MACH_LG_KS20 LG_KS20 1725 ++hhgps MACH_HHGPS HHGPS 1726 + nokia_n810_wimax MACH_NOKIA_N810_WIMAX NOKIA_N810_WIMAX 1727 ++insight MACH_INSIGHT INSIGHT 1728 + sapphire MACH_SAPPHIRE SAPPHIRE 1729 ++csb637xo MACH_CSB637XO CSB637XO 1730 ++evisiong MACH_EVISIONG EVISIONG 1731 + stmp37xx MACH_STMP37XX STMP37XX 1732 + stmp378x MACH_STMP378X STMP378X 1733 ++tnt MACH_TNT TNT 1734 ++tbxt MACH_TBXT TBXT 1735 ++playmate MACH_PLAYMATE PLAYMATE 1736 ++pns10 MACH_PNS10 PNS10 1737 ++eznavi MACH_EZNAVI EZNAVI 1738 ++ps4000 MACH_PS4000 PS4000 1739 + ezx_a780 MACH_EZX_A780 EZX_A780 1740 + ezx_e680 MACH_EZX_E680 EZX_E680 1741 + ezx_a1200 MACH_EZX_A1200 EZX_A1200 1742 + ezx_e6 MACH_EZX_E6 EZX_E6 1743 + ezx_e2 MACH_EZX_E2 EZX_E2 1744 + ezx_a910 MACH_EZX_A910 EZX_A910 1745 ++cwmx31 MACH_CWMX31 CWMX31 1746 ++sl2312 MACH_SL2312 SL2312 1747 ++blenny MACH_BLENNY BLENNY 1748 ++ds107 MACH_DS107 DS107 1749 ++dsx07 MACH_DSX07 DSX07 1750 ++picocom1 MACH_PICOCOM1 PICOCOM1 1751 ++lynx_wolverine MACH_LYNX_WOLVERINE LYNX_WOLVERINE 1752 ++ubisys_p9_sc19 MACH_UBISYS_P9_SC19 UBISYS_P9_SC19 1753 ++kratos_low MACH_KRATOS_LOW KRATOS_LOW 1754 ++m700 MACH_M700 M700 1755 + edmini_v2 MACH_EDMINI_V2 EDMINI_V2 1756 + zipit2 MACH_ZIPIT2 ZIPIT2 1757 ++hslfemtocell MACH_HSLFEMTOCELL HSLFEMTOCELL 1758 ++daintree_at91 MACH_DAINTREE_AT91 DAINTREE_AT91 1759 ++sg560usb MACH_SG560USB SG560USB 1760 + omap3_pandora MACH_OMAP3_PANDORA OMAP3_PANDORA 1761 ++usr8200 MACH_USR8200 USR8200 1762 ++s1s65k MACH_S1S65K S1S65K 1763 ++s2s65a MACH_S2S65A S2S65A 1764 ++icore MACH_ICORE ICORE 1765 + mss2 MACH_MSS2 MSS2 1766 ++belmont MACH_BELMONT BELMONT 1767 ++asusp525 MACH_ASUSP525 ASUSP525 1768 + lb88rc8480 MACH_LB88RC8480 LB88RC8480 1769 ++hipxa MACH_HIPXA HIPXA 1770 + mx25_3ds MACH_MX25_3DS MX25_3DS 1771 ++m800 MACH_M800 M800 1772 + omap3530_lv_som MACH_OMAP3530_LV_SOM OMAP3530_LV_SOM 1773 ++prima_evb MACH_PRIMA_EVB PRIMA_EVB 1774 ++mx31bt1 MACH_MX31BT1 MX31BT1 1775 ++atlas4_evb MACH_ATLAS4_EVB ATLAS4_EVB 1776 ++mx31cicada MACH_MX31CICADA MX31CICADA 1777 ++mi424wr MACH_MI424WR MI424WR 1778 ++axs_ultrax MACH_AXS_ULTRAX AXS_ULTRAX 1779 ++at572d940deb MACH_AT572D940DEB AT572D940DEB 1780 + davinci_da830_evm MACH_DAVINCI_DA830_EVM DAVINCI_DA830_EVM 1781 ++ep9302 MACH_EP9302 EP9302 1782 ++at572d940hfek MACH_AT572D940HFEB AT572D940HFEB 1783 ++cybook3 MACH_CYBOOK3 CYBOOK3 1784 ++wdg002 MACH_WDG002 WDG002 1785 ++sg560adsl MACH_SG560ADSL SG560ADSL 1786 ++nextio_n2800_ica MACH_NEXTIO_N2800_ICA NEXTIO_N2800_ICA 1787 + dove_db MACH_DOVE_DB DOVE_DB 1788 ++vandihud MACH_VANDIHUD VANDIHUD 1790 ++magx_e8 MACH_MAGX_E8 MAGX_E8 1791 ++magx_z6 MACH_MAGX_Z6 MAGX_Z6 1792 ++magx_v8 MACH_MAGX_V8 MAGX_V8 1793 ++magx_u9 MACH_MAGX_U9 MAGX_U9 1794 ++toughcf08 MACH_TOUGHCF08 TOUGHCF08 1795 ++zw4400 MACH_ZW4400 ZW4400 1796 ++marat91 MACH_MARAT91 MARAT91 1797 + overo MACH_OVERO OVERO 1798 + at2440evb MACH_AT2440EVB AT2440EVB 1799 + neocore926 MACH_NEOCORE926 NEOCORE926 1800 + wnr854t MACH_WNR854T WNR854T 1801 ++imx27 MACH_IMX27 IMX27 1802 ++moose_db MACH_MOOSE_DB MOOSE_DB 1803 ++fab4 MACH_FAB4 FAB4 1804 ++htcdiamond MACH_HTCDIAMOND HTCDIAMOND 1805 ++fiona MACH_FIONA FIONA 1806 ++mxc30030_x MACH_MXC30030_X MXC30030_X 1807 ++bmp1000 MACH_BMP1000 BMP1000 1808 ++logi9200 MACH_LOGI9200 LOGI9200 1809 ++tqma31 MACH_TQMA31 TQMA31 1810 ++ccw9p9215js MACH_CCW9P9215JS CCW9P9215JS 1811 + rd88f5181l_ge MACH_RD88F5181L_GE RD88F5181L_GE 1812 ++sifmain MACH_SIFMAIN SIFMAIN 1813 ++sam9_l9261 MACH_SAM9_L9261 SAM9_L9261 1814 ++cc9m2443 MACH_CC9M2443 CC9M2443 1815 ++xaria300 MACH_XARIA300 XARIA300 1816 ++it9200 MACH_IT9200 IT9200 1817 + rd88f5181l_fxo MACH_RD88F5181L_FXO RD88F5181L_FXO 1818 ++kriss_sensor MACH_KRISS_SENSOR KRISS_SENSOR 1819 ++pilz_pmi5 MACH_PILZ_PMI5 PILZ_PMI5 1820 ++jade MACH_JADE JADE 1821 ++ks8695_softplc MACH_KS8695_SOFTPLC KS8695_SOFTPLC 1822 ++gprisc3 MACH_GPRISC3 GPRISC3 1823 + stamp9g20 MACH_STAMP9G20 STAMP9G20 1824 ++smdk6430 MACH_SMDK6430 SMDK6430 1825 + smdkc100 MACH_SMDKC100 SMDKC100 1826 + tavorevb MACH_TAVOREVB TAVOREVB 1827 + saar MACH_SAAR SAAR 1828 ++deister_eyecam MACH_DEISTER_EYECAM DEISTER_EYECAM 1829 + at91sam9m10g45ek MACH_AT91SAM9M10G45EK AT91SAM9M10G45EK 1830 ++linkstation_produo MACH_LINKSTATION_PRODUO LINKSTATION_PRODUO 1831 ++hit_b0 MACH_HIT_B0 HIT_B0 1832 ++adx_rmu MACH_ADX_RMU ADX_RMU 1833 ++xg_cpe_main MACH_XG_CPE_MAIN XG_CPE_MAIN 1834 ++edb9407a MACH_EDB9407A EDB9407A 1835 ++dtb9608 MACH_DTB9608 DTB9608 1836 ++em104v1 MACH_EM104V1 EM104V1 1837 ++demo MACH_DEMO DEMO 1838 ++logi9260 MACH_LOGI9260 LOGI9260 1839 ++mx31_exm32 MACH_MX31_EXM32 MX31_EXM32 1840 + usb_a9g20 MACH_USB_A9G20 USB_A9G20 1841 ++picproje2008 MACH_PICPROJE2008 PICPROJE2008 1842 ++cs_e9315 MACH_CS_E9315 CS_E9315 1843 ++qil_a9g20 MACH_QIL_A9G20 QIL_A9G20 1844 ++sha_pon020 MACH_SHA_PON020 SHA_PON020 1845 ++nad MACH_NAD NAD 1846 ++sbc35_a9260 MACH_SBC35_A9260 SBC35_A9260 1847 ++sbc35_a9g20 MACH_SBC35_A9G20 SBC35_A9G20 1848 ++davinci_beginning MACH_DAVINCI_BEGINNING DAVINCI_BEGINNING 1849 ++uwc MACH_UWC UWC 1850 + mxlads MACH_MXLADS MXLADS 1851 ++htcnike MACH_HTCNIKE HTCNIKE 1852 ++deister_pxa270 MACH_DEISTER_PXA270 DEISTER_PXA270 1853 ++cme9210js MACH_CME9210JS CME9210JS 1854 ++cc9p9360 MACH_CC9P9360 CC9P9360 1855 ++mocha MACH_MOCHA MOCHA 1856 ++wapd170ag MACH_WAPD170AG WAPD170AG 1857 + linkstation_mini MACH_LINKSTATION_MINI LINKSTATION_MINI 1858 + afeb9260 MACH_AFEB9260 AFEB9260 1859 ++w90x900 MACH_W90X900 W90X900 1860 ++w90x700 MACH_W90X700 W90X700 1861 ++kt300ip MACH_KT300IP KT300IP 1862 ++kt300ip_g20 MACH_KT300IP_G20 KT300IP_G20 1863 ++srcm MACH_SRCM SRCM 1864 ++wlnx_9260 MACH_WLNX_9260 WLNX_9260 1865 ++openmoko_gta03 MACH_OPENMOKO_GTA03 OPENMOKO_GTA03 1866 ++osprey2 MACH_OSPREY2 OSPREY2 1867 ++kbio9260 MACH_KBIO9260 KBIO9260 1868 ++ginza MACH_GINZA GINZA 1869 ++a636n MACH_A636N A636N 1870 + imx27ipcam MACH_IMX27IPCAM IMX27IPCAM 1871 ++nemoc MACH_NEMOC NEMOC 1872 ++geneva MACH_GENEVA GENEVA 1873 ++htcpharos MACH_HTCPHAROS HTCPHAROS 1874 ++neonc MACH_NEONC NEONC 1875 ++nas7100 MACH_NAS7100 NAS7100 1876 ++teuphone MACH_TEUPHONE TEUPHONE 1877 ++annax_eth2 MACH_ANNAX_ETH2 ANNAX_ETH2 1878 ++csb733 MACH_CSB733 CSB733 1879 ++bk3 MACH_BK3 BK3 1880 ++omap_em32 MACH_OMAP_EM32 OMAP_EM32 1881 ++et9261cp MACH_ET9261CP ET9261CP 1882 ++jasperc MACH_JASPERC JASPERC 1883 ++issi_arm9 MACH_ISSI_ARM9 ISSI_ARM9 1884 ++ued MACH_UED UED 1885 ++esiblade MACH_ESIBLADE ESIBLADE 1886 ++eye02 MACH_EYE02 EYE02 1887 ++imx27kbd MACH_IMX27KBD IMX27KBD 1888 ++kixvp435 MACH_KIXVP435 KIXVP435 1890 ++kixnp435 MACH_KIXNP435 KIXNP435 1891 ++africa MACH_AFRICA AFRICA 1892 ++nh233 MACH_NH233 NH233 1893 + rd88f6183ap_ge MACH_RD88F6183AP_GE RD88F6183AP_GE 1894 ++bcm4760 MACH_BCM4760 BCM4760 1895 ++eddy_v2 MACH_EDDY_V2 EDDY_V2 1896 + realview_pba8 MACH_REALVIEW_PBA8 REALVIEW_PBA8 1897 ++hid_a7 MACH_HID_A7 HID_A7 1898 ++hero MACH_HERO HERO 1899 ++omap_poseidon MACH_OMAP_POSEIDON OMAP_POSEIDON 1900 + realview_pbx MACH_REALVIEW_PBX REALVIEW_PBX 1901 + micro9s MACH_MICRO9S MICRO9S 1902 ++mako MACH_MAKO MAKO 1903 ++xdaflame MACH_XDAFLAME XDAFLAME 1904 ++phidget_sbc2 MACH_PHIDGET_SBC2 PHIDGET_SBC2 1905 ++limestone MACH_LIMESTONE LIMESTONE 1906 ++iprobe_c32 MACH_IPROBE_C32 IPROBE_C32 1907 + rut100 MACH_RUT100 RUT100 1908 ++asusp535 MACH_ASUSP535 ASUSP535 1909 ++htcraphael MACH_HTCRAPHAEL HTCRAPHAEL 1910 ++sygdg1 MACH_SYGDG1 SYGDG1 1911 ++sygdg2 MACH_SYGDG2 SYGDG2 1912 ++seoul MACH_SEOUL SEOUL 1913 ++salerno MACH_SALERNO SALERNO 1914 ++ucn_s3c64xx MACH_UCN_S3C64XX UCN_S3C64XX 1915 ++msm7201a MACH_MSM7201A MSM7201A 1916 ++lpr1 MACH_LPR1 LPR1 1917 ++armadillo500fx MACH_ARMADILLO500FX ARMADILLO500FX 1918 + g3evm MACH_G3EVM G3EVM 1919 ++z3_dm355 MACH_Z3_DM355 Z3_DM355 1920 + w90p910evb MACH_W90P910EVB W90P910EVB 1921 ++w90p920evb MACH_W90P920EVB W90P920EVB 1922 + w90p950evb MACH_W90P950EVB W90P950EVB 1923 + w90n960evb MACH_W90N960EVB W90N960EVB 1924 ++camhd MACH_CAMHD CAMHD 1925 ++mvc100 MACH_MVC100 MVC100 1926 ++electrum_200 MACH_ELECTRUM_200 ELECTRUM_200 1927 ++htcjade MACH_HTCJADE HTCJADE 1928 ++memphis MACH_MEMPHIS MEMPHIS 1929 ++imx27sbc MACH_IMX27SBC IMX27SBC 1930 ++lextar MACH_LEXTAR LEXTAR 1931 + mv88f6281gtw_ge MACH_MV88F6281GTW_GE MV88F6281GTW_GE 1932 + ncp MACH_NCP NCP 1933 ++z32an_series MACH_Z32AN Z32AN 1934 ++tmq_capd MACH_TMQ_CAPD TMQ_CAPD 1935 ++omap3_wl MACH_OMAP3_WL OMAP3_WL 1936 ++chumby MACH_CHUMBY CHUMBY 1937 ++atsarm9 MACH_ATSARM9 ATSARM9 1938 + davinci_dm365_evm MACH_DAVINCI_DM365_EVM DAVINCI_DM365_EVM 1939 ++bahamas MACH_BAHAMAS BAHAMAS 1940 ++das MACH_DAS DAS 1941 ++minidas MACH_MINIDAS MINIDAS 1942 ++vk1000 MACH_VK1000 VK1000 1943 + centro MACH_CENTRO CENTRO 1944 ++ctera_2bay MACH_CTERA_2BAY CTERA_2BAY 1945 ++edgeconnect MACH_EDGECONNECT EDGECONNECT 1946 ++nd27000 MACH_ND27000 ND27000 1947 ++cobra MACH_GEMALTO_COBRA GEMALTO_COBRA 1948 ++ingelabs_comet MACH_INGELABS_COMET INGELABS_COMET 1949 ++pollux_wiz MACH_POLLUX_WIZ POLLUX_WIZ 1950 ++blackstone MACH_BLACKSTONE BLACKSTONE 1951 ++topaz MACH_TOPAZ TOPAZ 1952 ++aixle MACH_AIXLE AIXLE 1953 ++mw998 MACH_MW998 MW998 1954 + nokia_rx51 MACH_NOKIA_RX51 NOKIA_RX51 1955 ++vsc5605ev MACH_VSC5605EV VSC5605EV 1956 ++nt98700dk MACH_NT98700DK NT98700DK 1957 ++icontact MACH_ICONTACT ICONTACT 1958 ++swarco_frcpu MACH_SWARCO_FRCPU SWARCO_FRCPU 1959 ++swarco_scpu MACH_SWARCO_SCPU SWARCO_SCPU 1960 ++bbox_p16 MACH_BBOX_P16 BBOX_P16 1961 ++bstd MACH_BSTD BSTD 1962 ++sbc2440ii MACH_SBC2440II SBC2440II 1963 ++pcm034 MACH_PCM034 PCM034 1964 ++neso MACH_NESO NESO 1965 ++wlnx_9g20 MACH_WLNX_9G20 WLNX_9G20 1966 + omap_zoom2 MACH_OMAP_ZOOM2 OMAP_ZOOM2 1967 ++totemnova MACH_TOTEMNOVA TOTEMNOVA 1968 ++c5000 MACH_C5000 C5000 1969 ++unipo_at91sam9263 MACH_UNIPO_AT91SAM9263 UNIPO_AT91SAM9263 1970 ++ethernut5 MACH_ETHERNUT5 ETHERNUT5 1971 ++arm11 MACH_ARM11 ARM11 1972 + cpuat9260 MACH_CPUAT9260 CPUAT9260 1973 ++cpupxa255 MACH_CPUPXA255 CPUPXA255 1974 + eukrea_cpuimx27 MACH_EUKREA_CPUIMX27 EUKREA_CPUIMX27 1975 ++cheflux MACH_CHEFLUX CHEFLUX 1976 ++eb_cpux9k2 MACH_EB_CPUX9K2 EB_CPUX9K2 1977 ++opcotec MACH_OPCOTEC OPCOTEC 1978 ++yt MACH_YT YT 1979 ++motoq MACH_MOTOQ MOTOQ 1980 ++bsb1 MACH_BSB1 BSB1 1981 + acs5k MACH_ACS5K ACS5K 1982 ++milan MACH_MILAN MILAN 1983 ++quartzv2 MACH_QUARTZV2 QUARTZV2 1984 ++rsvp MACH_RSVP RSVP 1985 ++rmp200 MACH_RMP200 RMP200 1986 + snapper_9260 MACH_SNAPPER_9260 SNAPPER_9260 1987 + dsm320 MACH_DSM320 DSM320 1988 ++adsgcm MACH_ADSGCM ADSGCM 1989 ++ase2_400 MACH_ASE2_400 ASE2_400 1990 ++pizza MACH_PIZZA PIZZA 1991 ++spot_ngpl MACH_SPOT_NGPL SPOT_NGPL 1992 ++armata MACH_ARMATA ARMATA 1993 + exeda MACH_EXEDA EXEDA 1994 ++mx31sf005 MACH_MX31SF005 MX31SF005 1995 ++f5d8231_4_v2 MACH_F5D8231_4_V2 F5D8231_4_V2 1996 ++q2440 MACH_Q2440 Q2440 1997 ++qq2440 MACH_QQ2440 QQ2440 1998 + mini2440 MACH_MINI2440 MINI2440 1999 + colibri300 MACH_COLIBRI300 COLIBRI300 2000 ++jades MACH_JADES JADES 2001 ++spark MACH_SPARK SPARK 2002 ++benzina MACH_BENZINA BENZINA 2003 ++blaze MACH_BLAZE BLAZE 2004 + linkstation_ls_hgl MACH_LINKSTATION_LS_HGL LINKSTATION_LS_HGL 2005 ++htckovsky MACH_HTCKOVSKY HTCKOVSKY 2006 ++sony_prs505 MACH_SONY_PRS505 SONY_PRS505 2007 ++hanlin_v3 MACH_HANLIN_V3 HANLIN_V3 2008 ++sapphira MACH_SAPPHIRA SAPPHIRA 2009 ++dack_sda_01 MACH_DACK_SDA_01 DACK_SDA_01 2010 ++armbox MACH_ARMBOX ARMBOX 2011 ++harris_rvp MACH_HARRIS_RVP HARRIS_RVP 2012 ++ribaldo MACH_RIBALDO RIBALDO 2013 ++agora MACH_AGORA AGORA 2014 ++omap3_mini MACH_OMAP3_MINI OMAP3_MINI 2015 ++a9sam6432_b MACH_A9SAM6432_B A9SAM6432_B 2016 ++usg2410 MACH_USG2410 USG2410 2017 ++pc72052_i10_revb MACH_PC72052_I10_REVB PC72052_I10_REVB 2018 ++mx35_exm32 MACH_MX35_EXM32 MX35_EXM32 2019 ++topas910 MACH_TOPAS910 TOPAS910 2020 ++hyena MACH_HYENA HYENA 2021 ++pospax MACH_POSPAX POSPAX 2022 ++hdl_gx MACH_HDL_GX HDL_GX 2023 ++ctera_4bay MACH_CTERA_4BAY CTERA_4BAY 2024 ++ctera_plug_c MACH_CTERA_PLUG_C CTERA_PLUG_C 2025 ++crwea_plug_i MACH_CRWEA_PLUG_I CRWEA_PLUG_I 2026 ++egauge2 MACH_EGAUGE2 EGAUGE2 2027 ++didj MACH_DIDJ DIDJ 2028 ++m_s3c2443 MACH_MEISTER MEISTER 2029 ++htcblackstone MACH_HTCBLACKSTONE HTCBLACKSTONE 2030 + cpuat9g20 MACH_CPUAT9G20 CPUAT9G20 2031 + smdk6440 MACH_SMDK6440 SMDK6440 2032 ++omap_35xx_mvp MACH_OMAP_35XX_MVP OMAP_35XX_MVP 2033 ++ctera_plug_i MACH_CTERA_PLUG_I CTERA_PLUG_I 2034 ++pvg610_100 MACH_PVG610 PVG610 2035 ++hprw6815 MACH_HPRW6815 HPRW6815 2036 ++omap3_oswald MACH_OMAP3_OSWALD OMAP3_OSWALD 2037 + nas4220b MACH_NAS4220B NAS4220B 2038 ++htcraphael_cdma MACH_HTCRAPHAEL_CDMA HTCRAPHAEL_CDMA 2039 ++htcdiamond_cdma MACH_HTCDIAMOND_CDMA HTCDIAMOND_CDMA 2040 ++scaler MACH_SCALER SCALER 2041 + zylonite2 MACH_ZYLONITE2 ZYLONITE2 2042 + aspenite MACH_ASPENITE ASPENITE 2043 ++teton MACH_TETON TETON 2044 + ttc_dkb MACH_TTC_DKB TTC_DKB 2045 ++bishop2 MACH_BISHOP2 BISHOP2 2046 ++ippv5 MACH_IPPV5 IPPV5 2047 ++farm926 MACH_FARM926 FARM926 2048 ++mmccpu MACH_MMCCPU MMCCPU 2049 ++sgmsfl MACH_SGMSFL SGMSFL 2050 ++tt8000 MACH_TT8000 TT8000 2051 ++zrn4300lp MACH_ZRN4300LP ZRN4300LP 2052 ++mptc MACH_MPTC MPTC 2053 ++h6051 MACH_H6051 H6051 2054 ++pvg610_101 MACH_PVG610_101 PVG610_101 2055 ++stamp9261_pc_evb MACH_STAMP9261_PC_EVB STAMP9261_PC_EVB 2056 ++pelco_odysseus MACH_PELCO_ODYSSEUS PELCO_ODYSSEUS 2057 ++tny_a9260 MACH_TNY_A9260 TNY_A9260 2058 ++tny_a9g20 MACH_TNY_A9G20 TNY_A9G20 2059 ++aesop_mp2530f MACH_AESOP_MP2530F AESOP_MP2530F 2060 ++dx900 MACH_DX900 DX900 2061 ++cpodc2 MACH_CPODC2 CPODC2 2062 ++tilt_8925 MACH_TILT_8925 TILT_8925 2063 ++davinci_dm357_evm MACH_DAVINCI_DM357_EVM DAVINCI_DM357_EVM 2064 ++swordfish MACH_SWORDFISH SWORDFISH 2065 ++corvus MACH_CORVUS CORVUS 2066 ++taurus MACH_TAURUS TAURUS 2067 ++axm MACH_AXM AXM 2068 ++axc MACH_AXC AXC 2069 ++baby MACH_BABY BABY 2070 ++mp200 MACH_MP200 MP200 2071 + pcm043 MACH_PCM043 PCM043 2072 ++hanlin_v3c MACH_HANLIN_V3C HANLIN_V3C 2073 ++kbk9g20 MACH_KBK9G20 KBK9G20 2074 ++adsturbog5 MACH_ADSTURBOG5 ADSTURBOG5 2075 ++avenger_lite1 MACH_AVENGER_LITE1 AVENGER_LITE1 2076 ++suc82x MACH_SUC SUC 2077 ++at91sam7s256 MACH_AT91SAM7S256 AT91SAM7S256 2078 ++mendoza MACH_MENDOZA MENDOZA 2079 ++kira MACH_KIRA KIRA 2080 ++mx1hbm MACH_MX1HBM MX1HBM 2081 ++quatro43xx MACH_QUATRO43XX QUATRO43XX 2082 ++quatro4230 MACH_QUATRO4230 QUATRO4230 2083 ++nsb400 MACH_NSB400 NSB400 2084 ++drp255 MACH_DRP255 DRP255 2085 ++thoth MACH_THOTH THOTH 2086 ++firestone MACH_FIRESTONE FIRESTONE 2087 ++asusp750 MACH_ASUSP750 ASUSP750 2088 ++ctera_dl MACH_CTERA_DL CTERA_DL 2089 ++socr MACH_SOCR SOCR 2090 ++htcoxygen MACH_HTCOXYGEN HTCOXYGEN 2091 ++heroc MACH_HEROC HEROC 2092 ++zeno6800 MACH_ZENO6800 ZENO6800 2093 ++sc2mcs MACH_SC2MCS SC2MCS 2094 ++gene100 MACH_GENE100 GENE100 2095 ++as353x MACH_AS353X AS353X 2096 + sheevaplug MACH_SHEEVAPLUG SHEEVAPLUG 2097 ++at91sam9g20 MACH_AT91SAM9G20 AT91SAM9G20 2098 ++mv88f6192gtw_fe MACH_MV88F6192GTW_FE MV88F6192GTW_FE 2099 ++cc9200 MACH_CC9200 CC9200 2100 ++sm9200 MACH_SM9200 SM9200 2101 ++tp9200 MACH_TP9200 TP9200 2102 ++snapperdv MACH_SNAPPERDV SNAPPERDV 2103 + avengers_lite MACH_AVENGERS_LITE AVENGERS_LITE 2104 ++avengers_lite1 MACH_AVENGERS_LITE1 AVENGERS_LITE1 2105 ++omap3axon MACH_OMAP3AXON OMAP3AXON 2106 ++ma8xx MACH_MA8XX MA8XX 2107 ++mp201ek MACH_MP201EK MP201EK 2108 ++davinci_tux MACH_DAVINCI_TUX DAVINCI_TUX 2109 ++mpa1600 MACH_MPA1600 MPA1600 2110 ++pelco_troy MACH_PELCO_TROY PELCO_TROY 2111 ++nsb667 MACH_NSB667 NSB667 2112 ++rovers5_4mpix MACH_ROVERS5_4MPIX ROVERS5_4MPIX 2113 ++twocom MACH_TWOCOM TWOCOM 2114 ++ubisys_p9_rcu3r2 MACH_UBISYS_P9_RCU3R2 UBISYS_P9_RCU3R2 2115 ++hero_espresso MACH_HERO_ESPRESSO HERO_ESPRESSO 2116 ++afeusb MACH_AFEUSB AFEUSB 2117 ++t830 MACH_T830 T830 2118 ++spd8020_cc MACH_SPD8020_CC SPD8020_CC 2119 ++om_3d7k MACH_OM_3D7K OM_3D7K 2120 ++picocom2 MACH_PICOCOM2 PICOCOM2 2121 ++uwg4mx27 MACH_UWG4MX27 UWG4MX27 2122 ++uwg4mx31 MACH_UWG4MX31 UWG4MX31 2123 ++cherry MACH_CHERRY CHERRY 2124 + mx51_babbage MACH_MX51_BABBAGE MX51_BABBAGE 2125 ++s3c2440turkiye MACH_S3C2440TURKIYE S3C2440TURKIYE 2126 + tx37 MACH_TX37 TX37 2127 ++sbc2800_9g20 MACH_SBC2800_9G20 SBC2800_9G20 2128 ++benzglb MACH_BENZGLB BENZGLB 2129 ++benztd MACH_BENZTD BENZTD 2130 ++cartesio_plus MACH_CARTESIO_PLUS CARTESIO_PLUS 2131 ++solrad_g20 MACH_SOLRAD_G20 SOLRAD_G20 2132 ++mx27wallace MACH_MX27WALLACE MX27WALLACE 2133 ++fmzwebmodul MACH_FMZWEBMODUL FMZWEBMODUL 2134 + rd78x00_masa MACH_RD78X00_MASA RD78X00_MASA 2135 ++smallogger MACH_SMALLOGGER SMALLOGGER 2136 ++ccw9p9215 MACH_CCW9P9215 CCW9P9215 2137 + dm355_leopard MACH_DM355_LEOPARD DM355_LEOPARD 2138 + ts219 MACH_TS219 TS219 2139 ++tny_a9263 MACH_TNY_A9263 TNY_A9263 2140 ++apollo MACH_APOLLO APOLLO 2141 ++at91cap9stk MACH_AT91CAP9STK AT91CAP9STK 2142 ++spc300 MACH_SPC300 SPC300 2143 ++eko MACH_EKO EKO 2144 ++ccw9m2443 MACH_CCW9M2443 CCW9M2443 2145 ++ccw9m2443js MACH_CCW9M2443JS CCW9M2443JS 2146 ++m2m_router_device MACH_M2M_ROUTER_DEVICE M2M_ROUTER_DEVICE 2147 ++str9104nas MACH_STAR9104NAS STAR9104NAS 2148 + pca100 MACH_PCA100 PCA100 2149 ++z3_dm365_mod_01 MACH_Z3_DM365_MOD_01 Z3_DM365_MOD_01 2150 ++hipox MACH_HIPOX HIPOX 2151 ++omap3_piteds MACH_OMAP3_PITEDS OMAP3_PITEDS 2152 ++bm150r MACH_BM150R BM150R 2153 ++tbone MACH_TBONE TBONE 2154 ++merlin MACH_MERLIN MERLIN 2155 ++falcon MACH_FALCON FALCON 2156 + davinci_da850_evm MACH_DAVINCI_DA850_EVM DAVINCI_DA850_EVM 2157 ++s5p6440 MACH_S5P6440 S5P6440 2158 + at91sam9g10ek MACH_AT91SAM9G10EK AT91SAM9G10EK 2159 + omap_4430sdp MACH_OMAP_4430SDP OMAP_4430SDP 2160 ++lpc313x MACH_LPC313X LPC313X 2161 + magx_zn5 MACH_MAGX_ZN5 MAGX_ZN5 2162 ++magx_em30 MACH_MAGX_EM30 MAGX_EM30 2163 ++magx_ve66 MACH_MAGX_VE66 MAGX_VE66 2164 ++meesc MACH_MEESC MEESC 2165 ++otc570 MACH_OTC570 OTC570 2166 ++bcu2412 MACH_BCU2412 BCU2412 2167 ++beacon MACH_BEACON BEACON 2168 ++actia_tgw MACH_ACTIA_TGW ACTIA_TGW 2169 ++e4430 MACH_E4430 E4430 2170 ++ql300 MACH_QL300 QL300 2171 + btmavb101 MACH_BTMAVB101 BTMAVB101 2172 + btmawb101 MACH_BTMAWB101 BTMAWB101 2173 ++sq201 MACH_SQ201 SQ201 2174 ++quatro45xx MACH_QUATRO45XX QUATRO45XX 2175 ++openpad MACH_OPENPAD OPENPAD 2176 + tx25 MACH_TX25 TX25 2177 + omap3_torpedo MACH_OMAP3_TORPEDO OMAP3_TORPEDO 2178 ++htcraphael_k MACH_HTCRAPHAEL_K HTCRAPHAEL_K 2179 ++lal43 MACH_LAL43 LAL43 2181 ++htcraphael_cdma500 MACH_HTCRAPHAEL_CDMA500 HTCRAPHAEL_CDMA500 2182 + anw6410 MACH_ANW6410 ANW6410 2183 ++htcprophet MACH_HTCPROPHET HTCPROPHET 2185 ++cfa_10022 MACH_CFA_10022 CFA_10022 2186 + imx27_visstrim_m10 MACH_IMX27_VISSTRIM_M10 IMX27_VISSTRIM_M10 2187 ++px2imx27 MACH_PX2IMX27 PX2IMX27 2188 ++stm3210e_eval MACH_STM3210E_EVAL STM3210E_EVAL 2189 ++dvs10 MACH_DVS10 DVS10 2190 + portuxg20 MACH_PORTUXG20 PORTUXG20 2191 ++arm_spv MACH_ARM_SPV ARM_SPV 2192 + smdkc110 MACH_SMDKC110 SMDKC110 2193 ++cabespresso MACH_CABESPRESSO CABESPRESSO 2194 ++hmc800 MACH_HMC800 HMC800 2195 ++sholes MACH_SHOLES SHOLES 2196 ++btmxc31 MACH_BTMXC31 BTMXC31 2197 ++dt501 MACH_DT501 DT501 2198 ++ktx MACH_KTX KTX 2199 + omap3517evm MACH_OMAP3517EVM OMAP3517EVM 2200 + netspace_v2 MACH_NETSPACE_V2 NETSPACE_V2 2201 + netspace_max_v2 MACH_NETSPACE_MAX_V2 NETSPACE_MAX_V2 2202 + d2net_v2 MACH_D2NET_V2 D2NET_V2 2203 + net2big_v2 MACH_NET2BIG_V2 NET2BIG_V2 2204 ++net4big_v2 MACH_NET4BIG_V2 NET4BIG_V2 2205 + net5big_v2 MACH_NET5BIG_V2 NET5BIG_V2 2206 ++endb2443 MACH_ENDB2443 ENDB2443 2207 + inetspace_v2 MACH_INETSPACE_V2 INETSPACE_V2 2208 ++tros MACH_TROS TROS 2209 ++pelco_homer MACH_PELCO_HOMER PELCO_HOMER 2210 ++ofsp8 MACH_OFSP8 OFSP8 2211 + at91sam9g45ekes MACH_AT91SAM9G45EKES AT91SAM9G45EKES 2212 ++guf_cupid MACH_GUF_CUPID GUF_CUPID 2213 ++eab1r MACH_EAB1R EAB1R 2214 ++desirec MACH_DESIREC DESIREC 2215 ++cordoba MACH_CORDOBA CORDOBA 2216 ++irvine MACH_IRVINE IRVINE 2217 ++sff772 MACH_SFF772 SFF772 2218 ++pelco_milano MACH_PELCO_MILANO PELCO_MILANO 2219 + pc7302 MACH_PC7302 PC7302 2220 ++bip6000 MACH_BIP6000 BIP6000 2221 ++silvermoon MACH_SILVERMOON SILVERMOON 2222 ++vc0830 MACH_VC0830 VC0830 2223 ++dt430 MACH_DT430 DT430 2224 ++ji42pf MACH_JI42PF JI42PF 2225 ++gnet_ksm MACH_GNET_KSM GNET_KSM 2226 ++gnet_sgm MACH_GNET_SGM GNET_SGM 2227 ++gnet_sgr MACH_GNET_SGR GNET_SGR 2228 ++omap3_icetekevm MACH_OMAP3_ICETEKEVM OMAP3_ICETEKEVM 2229 ++pnp MACH_PNP PNP 2230 ++ctera_2bay_k MACH_CTERA_2BAY_K CTERA_2BAY_K 2231 ++ctera_2bay_u MACH_CTERA_2BAY_U CTERA_2BAY_U 2232 ++sas_c MACH_SAS_C SAS_C 2233 ++vma2315 MACH_VMA2315 VMA2315 2234 ++vcs MACH_VCS VCS 2235 + spear600 MACH_SPEAR600 SPEAR600 2236 + spear300 MACH_SPEAR300 SPEAR300 2237 ++spear1300 MACH_SPEAR1300 SPEAR1300 2238 + lilly1131 MACH_LILLY1131 LILLY1131 2239 ++arvoo_ax301 MACH_ARVOO_AX301 ARVOO_AX301 2240 ++mapphone MACH_MAPPHONE MAPPHONE 2241 ++legend MACH_LEGEND LEGEND 2242 ++salsa MACH_SALSA SALSA 2243 ++lounge MACH_LOUNGE LOUNGE 2244 ++vision MACH_VISION VISION 2245 ++vmb20 MACH_VMB20 VMB20 2246 ++hy2410 MACH_HY2410 HY2410 2247 ++hy9315 MACH_HY9315 HY9315 2248 ++bullwinkle MACH_BULLWINKLE BULLWINKLE 2249 ++arm_ultimator2 MACH_ARM_ULTIMATOR2 ARM_ULTIMATOR2 2250 ++vs_v210 MACH_VS_V210 VS_V210 2252 ++vs_v212 MACH_VS_V212 VS_V212 2253 + hmt MACH_HMT HMT 2254 ++km_kirkwood MACH_KM_KIRKWOOD KM_KIRKWOOD 2255 ++vesper MACH_VESPER VESPER 2256 ++str9 MACH_STR9 STR9 2257 ++omap3_wl_ff MACH_OMAP3_WL_FF OMAP3_WL_FF 2258 ++simcom MACH_SIMCOM SIMCOM 2259 ++mcwebio MACH_MCWEBIO MCWEBIO 2260 ++omap3_phrazer MACH_OMAP3_PHRAZER OMAP3_PHRAZER 2261 ++darwin MACH_DARWIN DARWIN 2262 ++oratiscomu MACH_ORATISCOMU ORATISCOMU 2263 ++rtsbc20 MACH_RTSBC20 RTSBC20 2264 ++sgh_i780 MACH_I780 I780 2265 ++gemini324 MACH_GEMINI324 GEMINI324 2266 ++oratislan MACH_ORATISLAN ORATISLAN 2267 ++oratisalog MACH_ORATISALOG ORATISALOG 2268 ++oratismadi MACH_ORATISMADI ORATISMADI 2269 ++oratisot16 MACH_ORATISOT16 ORATISOT16 2270 ++oratisdesk MACH_ORATISDESK ORATISDESK 2271 + vexpress MACH_VEXPRESS VEXPRESS 2272 ++sintexo MACH_SINTEXO SINTEXO 2273 ++cm3389 MACH_CM3389 CM3389 2274 ++omap3_cio MACH_OMAP3_CIO OMAP3_CIO 2275 ++sgh_i900 MACH_SGH_I900 SGH_I900 2276 ++bst100 MACH_BST100 BST100 2277 ++passion MACH_PASSION PASSION 2278 ++indesign_at91sam MACH_INDESIGN_AT91SAM INDESIGN_AT91SAM 2279 ++c4_badger MACH_C4_BADGER C4_BADGER 2280 ++c4_viper MACH_C4_VIPER C4_VIPER 2281 + d2net MACH_D2NET D2NET 2282 + bigdisk MACH_BIGDISK BIGDISK 2283 ++notalvision MACH_NOTALVISION NOTALVISION 2284 ++omap3_kboc MACH_OMAP3_KBOC OMAP3_KBOC 2285 ++cyclone MACH_CYCLONE CYCLONE 2286 ++ninja MACH_NINJA NINJA 2287 + at91sam9g20ek_2mmc MACH_AT91SAM9G20EK_2MMC AT91SAM9G20EK_2MMC 2288 + bcmring MACH_BCMRING BCMRING 2289 ++resol_dl2 MACH_RESOL_DL2 RESOL_DL2 2290 ++ifosw MACH_IFOSW IFOSW 2291 ++htcrhodium MACH_HTCRHODIUM HTCRHODIUM 2292 ++htctopaz MACH_HTCTOPAZ HTCTOPAZ 2293 ++matrix504 MACH_MATRIX504 MATRIX504 2294 ++mrfsa MACH_MRFSA MRFSA 2295 ++sc_p270 MACH_SC_P270 SC_P270 2296 ++atlas5_evb MACH_ATLAS5_EVB ATLAS5_EVB 2297 ++pelco_lobox MACH_PELCO_LOBOX PELCO_LOBOX 2298 ++dilax_pcu200 MACH_DILAX_PCU200 DILAX_PCU200 2299 ++leonardo MACH_LEONARDO LEONARDO 2300 ++zoran_approach7 MACH_ZORAN_APPROACH7 ZORAN_APPROACH7 2301 + dp6xx MACH_DP6XX DP6XX 2302 ++bcm2153_vesper MACH_BCM2153_VESPER BCM2153_VESPER 2303 + mahimahi MACH_MAHIMAHI MAHIMAHI 2304 ++clickc MACH_CLICKC CLICKC 2305 ++zb_gateway MACH_ZB_GATEWAY ZB_GATEWAY 2306 ++tazcard MACH_TAZCARD TAZCARD 2307 ++tazdev MACH_TAZDEV TAZDEV 2308 ++annax_cb_arm MACH_ANNAX_CB_ARM ANNAX_CB_ARM 2309 ++annax_dm3 MACH_ANNAX_DM3 ANNAX_DM3 2310 ++cerebric MACH_CEREBRIC CEREBRIC 2311 ++orca MACH_ORCA ORCA 2312 ++pc9260 MACH_PC9260 PC9260 2313 ++ems285a MACH_EMS285A EMS285A 2314 ++gec2410 MACH_GEC2410 GEC2410 2315 ++gec2440 MACH_GEC2440 GEC2440 2316 ++mw903 MACH_ARCH_MW903 ARCH_MW903 2317 ++mw2440 MACH_MW2440 MW2440 2318 ++ecac2378 MACH_ECAC2378 ECAC2378 2319 ++tazkiosk MACH_TAZKIOSK TAZKIOSK 2320 ++whiterabbit_mch MACH_WHITERABBIT_MCH WHITERABBIT_MCH 2321 ++sbox9263 MACH_SBOX9263 SBOX9263 2322 + smdk6442 MACH_SMDK6442 SMDK6442 2324 + openrd_base MACH_OPENRD_BASE OPENRD_BASE 2325 ++incredible MACH_INCREDIBLE INCREDIBLE 2326 ++incrediblec MACH_INCREDIBLEC INCREDIBLEC 2327 ++heroct MACH_HEROCT HEROCT 2328 ++mmnet1000 MACH_MMNET1000 MMNET1000 2329 + devkit8000 MACH_DEVKIT8000 DEVKIT8000 2330 ++devkit9000 MACH_DEVKIT9000 DEVKIT9000 2331 ++mx31txtr MACH_MX31TXTR MX31TXTR 2332 ++u380 MACH_U380 U380 2333 ++oamp3_hualu MACH_HUALU_BOARD HUALU_BOARD 2334 ++npcmx50 MACH_NPCMX50 NPCMX50 2335 + mx51_efikamx MACH_MX51_EFIKAMX MX51_EFIKAMX 2336 ++mx51_lange52 MACH_MX51_LANGE52 MX51_LANGE52 2337 ++riom MACH_RIOM RIOM 2338 ++comcas MACH_COMCAS COMCAS 2339 ++wsi_mx27 MACH_WSI_MX27 WSI_MX27 2340 + cm_t35 MACH_CM_T35 CM_T35 2341 + net2big MACH_NET2BIG NET2BIG 2342 ++motorola_a1600 MACH_MOTOROLA_A1600 MOTOROLA_A1600 2343 + igep0020 MACH_IGEP0020 IGEP0020 2344 ++igep0010 MACH_IGEP0010 IGEP0010 2345 ++mv6281gtwge2 MACH_MV6281GTWGE2 MV6281GTWGE2 2346 ++scat100 MACH_SCAT100 SCAT100 2347 ++sanmina MACH_SANMINA SANMINA 2348 ++momento MACH_MOMENTO MOMENTO 2349 ++nuc9xx MACH_NUC9XX NUC9XX 2350 ++nuc910evb MACH_NUC910EVB NUC910EVB 2351 ++nuc920evb MACH_NUC920EVB NUC920EVB 2352 ++nuc950evb MACH_NUC950EVB NUC950EVB 2353 ++nuc945evb MACH_NUC945EVB NUC945EVB 2354 ++nuc960evb MACH_NUC960EVB NUC960EVB 2355 + nuc932evb MACH_NUC932EVB NUC932EVB 2356 ++nuc900 MACH_NUC900 NUC900 2357 ++sd1soc MACH_SD1SOC SD1SOC 2358 ++ln2440bc MACH_LN2440BC LN2440BC 2359 ++rsbc MACH_RSBC RSBC 2360 + openrd_client MACH_OPENRD_CLIENT OPENRD_CLIENT 2361 ++hpipaq11x MACH_HPIPAQ11X HPIPAQ11X 2362 ++wayland MACH_WAYLAND WAYLAND 2363 ++acnbsx102 MACH_ACNBSX102 ACNBSX102 2364 ++hwat91 MACH_HWAT91 HWAT91 2365 ++at91sam9263cs MACH_AT91SAM9263CS AT91SAM9263CS 2366 ++csb732 MACH_CSB732 CSB732 2367 + u8500 MACH_U8500 U8500 2368 ++huqiu MACH_HUQIU HUQIU 2369 + mx51_efikasb MACH_MX51_EFIKASB MX51_EFIKASB 2370 ++pmt1g MACH_PMT1G PMT1G 2371 ++htcelf MACH_HTCELF HTCELF 2372 ++armadillo420 MACH_ARMADILLO420 ARMADILLO420 2373 ++armadillo440 MACH_ARMADILLO440 ARMADILLO440 2374 ++u_chip_dual_arm MACH_U_CHIP_DUAL_ARM U_CHIP_DUAL_ARM 2375 ++csr_bdb3 MACH_CSR_BDB3 CSR_BDB3 2376 ++dolby_cat1018 MACH_DOLBY_CAT1018 DOLBY_CAT1018 2377 ++hy9307 MACH_HY9307 HY9307 2378 ++aspire_easystore MACH_A_ES A_ES 2379 ++davinci_irif MACH_DAVINCI_IRIF DAVINCI_IRIF 2380 ++agama9263 MACH_AGAMA9263 AGAMA9263 2381 + marvell_jasper MACH_MARVELL_JASPER MARVELL_JASPER 2382 + flint MACH_FLINT FLINT 2383 + tavorevb3 MACH_TAVOREVB3 TAVOREVB3 2384 ++sch_m490 MACH_SCH_M490 SCH_M490 2386 ++rbl01 MACH_RBL01 RBL01 2387 ++omnifi MACH_OMNIFI OMNIFI 2388 ++otavalo MACH_OTAVALO OTAVALO 2389 ++htc_excalibur_s620 MACH_HTC_EXCALIBUR_S620 HTC_EXCALIBUR_S620 2391 ++htc_opal MACH_HTC_OPAL HTC_OPAL 2392 + touchbook MACH_TOUCHBOOK TOUCHBOOK 2393 ++latte MACH_LATTE LATTE 2394 ++xa200 MACH_XA200 XA200 2395 ++nimrod MACH_NIMROD NIMROD 2396 ++cc9p9215_3g MACH_CC9P9215_3G CC9P9215_3G 2397 ++cc9p9215_3gjs MACH_CC9P9215_3GJS CC9P9215_3GJS 2398 ++tk71 MACH_TK71 TK71 2399 ++comham3525 MACH_COMHAM3525 COMHAM3525 2400 ++mx31erebus MACH_MX31EREBUS MX31EREBUS 2401 ++mcardmx27 MACH_MCARDMX27 MCARDMX27 2402 ++paradise MACH_PARADISE PARADISE 2403 ++tide MACH_TIDE TIDE 2404 ++wzl2440 MACH_WZL2440 WZL2440 2405 ++sdrdemo MACH_SDRDEMO SDRDEMO 2406 ++ethercan2 MACH_ETHERCAN2 ETHERCAN2 2407 ++ecmimg20 MACH_ECMIMG20 ECMIMG20 2408 ++omap_dragon MACH_OMAP_DRAGON OMAP_DRAGON 2409 ++halo MACH_HALO HALO 2410 ++huangshan MACH_HUANGSHAN HUANGSHAN 2411 ++vl_ma2sc MACH_VL_MA2SC VL_MA2SC 2412 + raumfeld_rc MACH_RAUMFELD_RC RAUMFELD_RC 2413 + raumfeld_connector MACH_RAUMFELD_CONNECTOR RAUMFELD_CONNECTOR 2414 + raumfeld_speaker MACH_RAUMFELD_SPEAKER RAUMFELD_SPEAKER 2415 ++multibus_master MACH_MULTIBUS_MASTER MULTIBUS_MASTER 2416 ++multibus_pbk MACH_MULTIBUS_PBK MULTIBUS_PBK 2417 + tnetv107x MACH_TNETV107X TNETV107X 2418 ++snake MACH_SNAKE SNAKE 2419 ++cwmx27 MACH_CWMX27 CWMX27 2420 ++sch_m480 MACH_SCH_M480 SCH_M480 2421 ++platypus MACH_PLATYPUS PLATYPUS 2422 ++pss2 MACH_PSS2 PSS2 2423 ++davinci_apm150 MACH_DAVINCI_APM150 DAVINCI_APM150 2424 ++str9100 MACH_STR9100 STR9100 2425 ++net5big MACH_NET5BIG NET5BIG 2426 ++seabed9263 MACH_SEABED9263 SEABED9263 2427 + mx51_m2id MACH_MX51_M2ID MX51_M2ID 2428 ++octvocplus_eb MACH_OCTVOCPLUS_EB OCTVOCPLUS_EB 2429 ++klk_firefox MACH_KLK_FIREFOX KLK_FIREFOX 2430 ++klk_wirma_module MACH_KLK_WIRMA_MODULE KLK_WIRMA_MODULE 2431 ++klk_wirma_mmi MACH_KLK_WIRMA_MMI KLK_WIRMA_MMI 2432 ++supersonic MACH_SUPERSONIC SUPERSONIC 2433 ++liberty MACH_LIBERTY LIBERTY 2434 ++mh355 MACH_MH355 MH355 2435 ++pc7802 MACH_PC7802 PC7802 2436 ++gnet_sgc MACH_GNET_SGC GNET_SGC 2437 ++einstein15 MACH_EINSTEIN15 EINSTEIN15 2438 ++cmpd MACH_CMPD CMPD 2439 ++davinci_hase1 MACH_DAVINCI_HASE1 DAVINCI_HASE1 2440 ++lgeincitephone MACH_LGEINCITEPHONE LGEINCITEPHONE 2441 ++ea313x MACH_EA313X EA313X 2442 ++fwbd_39064 MACH_FWBD_39064 FWBD_39064 2443 ++fwbd_390128 MACH_FWBD_390128 FWBD_390128 2444 ++pelco_moe MACH_PELCO_MOE PELCO_MOE 2445 ++minimix27 MACH_MINIMIX27 MINIMIX27 2446 ++omap3_thunder MACH_OMAP3_THUNDER OMAP3_THUNDER 2447 ++passionc MACH_PASSIONC PASSIONC 2448 ++mx27amata MACH_MX27AMATA MX27AMATA 2449 ++bgat1 MACH_BGAT1 BGAT1 2450 ++buzz MACH_BUZZ BUZZ 2451 ++mb9g20 MACH_MB9G20 MB9G20 2452 ++yushan MACH_YUSHAN YUSHAN 2453 ++lizard MACH_LIZARD LIZARD 2454 ++omap3polycom MACH_OMAP3POLYCOM OMAP3POLYCOM 2455 + smdkv210 MACH_SMDKV210 SMDKV210 2456 ++bravo MACH_BRAVO BRAVO 2457 ++siogentoo1 MACH_SIOGENTOO1 SIOGENTOO1 2458 ++siogentoo2 MACH_SIOGENTOO2 SIOGENTOO2 2459 ++sm3k MACH_SM3K SM3K 2460 ++acer_tempo_f900 MACH_ACER_TEMPO_F900 ACER_TEMPO_F900 2461 ++glittertind MACH_GLITTERTIND GLITTERTIND 2463 + omap_zoom3 MACH_OMAP_ZOOM3 OMAP_ZOOM3 2464 + omap_3630sdp MACH_OMAP_3630SDP OMAP_3630SDP 2465 ++cybook2440 MACH_CYBOOK2440 CYBOOK2440 2466 ++torino_s MACH_TORINO_S TORINO_S 2467 ++havana MACH_HAVANA HAVANA 2468 ++beaumont_11 MACH_BEAUMONT_11 BEAUMONT_11 2469 ++vanguard MACH_VANGUARD VANGUARD 2470 ++s5pc110_draco MACH_S5PC110_DRACO S5PC110_DRACO 2471 ++cartesio_two MACH_CARTESIO_TWO CARTESIO_TWO 2472 ++aster MACH_ASTER ASTER 2473 ++voguesv210 MACH_VOGUESV210 VOGUESV210 2474 ++acm500x MACH_ACM500X ACM500X 2475 ++km9260 MACH_KM9260 KM9260 2476 ++nideflexg1 MACH_NIDEFLEXG1 NIDEFLEXG1 2477 ++ctera_plug_io MACH_CTERA_PLUG_IO CTERA_PLUG_IO 2478 + smartq7 MACH_SMARTQ7 SMARTQ7 2479 ++at91sam9g10ek2 MACH_AT91SAM9G10EK2 AT91SAM9G10EK2 2480 ++asusp527 MACH_ASUSP527 ASUSP527 2481 ++at91sam9g20mpm2 MACH_AT91SAM9G20MPM2 AT91SAM9G20MPM2 2482 ++topasa900 MACH_TOPASA900 TOPASA900 2483 ++electrum_100 MACH_ELECTRUM_100 ELECTRUM_100 2484 ++mx51grb MACH_MX51GRB MX51GRB 2485 ++xea300 MACH_XEA300 XEA300 2486 ++htcstartrek MACH_HTCSTARTREK HTCSTARTREK 2487 ++lima MACH_LIMA LIMA 2488 ++csb740 MACH_CSB740 CSB740 2489 ++usb_s8815 MACH_USB_S8815 USB_S8815 2490 + watson_efm_plugin MACH_WATSON_EFM_PLUGIN WATSON_EFM_PLUGIN 2491 ++milkyway MACH_MILKYWAY MILKYWAY 2492 + g4evm MACH_G4EVM G4EVM 2493 ++picomod6 MACH_PICOMOD6 PICOMOD6 2494 + omapl138_hawkboard MACH_OMAPL138_HAWKBOARD OMAPL138_HAWKBOARD 2495 ++ip6000 MACH_IP6000 IP6000 2496 ++ip6010 MACH_IP6010 IP6010 2497 ++utm400 MACH_UTM400 UTM400 2498 ++omap3_zybex MACH_OMAP3_ZYBEX OMAP3_ZYBEX 2499 ++wireless_space MACH_WIRELESS_SPACE WIRELESS_SPACE 2500 ++sx560 MACH_SX560 SX560 2501 + ts41x MACH_TS41X TS41X 2502 ++elphel10373 MACH_ELPHEL10373 ELPHEL10373 2503 ++rhobot MACH_RHOBOT RHOBOT 2504 ++mx51_refresh MACH_MX51_REFRESH MX51_REFRESH 2505 ++ls9260 MACH_LS9260 LS9260 2506 ++shank MACH_SHANK SHANK 2507 ++qsd8x50_st1 MACH_QSD8X50_ST1 QSD8X50_ST1 2508 ++at91sam9m10ekes MACH_AT91SAM9M10EKES AT91SAM9M10EKES 2509 ++hiram MACH_HIRAM HIRAM 2510 + phy3250 MACH_PHY3250 PHY3250 2511 ++ea3250 MACH_EA3250 EA3250 2512 ++fdi3250 MACH_FDI3250 FDI3250 2513 ++at91sam9263nit MACH_AT91SAM9263NIT AT91SAM9263NIT 2515 ++ccmx51 MACH_CCMX51 CCMX51 2516 ++ccmx51js MACH_CCMX51JS CCMX51JS 2517 ++ccwmx51 MACH_CCWMX51 CCWMX51 2518 ++ccwmx51js MACH_CCWMX51JS CCWMX51JS 2519 + mini6410 MACH_MINI6410 MINI6410 2520 ++tiny6410 MACH_TINY6410 TINY6410 2521 ++nano6410 MACH_NANO6410 NANO6410 2522 ++at572d940hfnldb MACH_AT572D940HFNLDB AT572D940HFNLDB 2523 ++htcleo MACH_HTCLEO HTCLEO 2524 ++avp13 MACH_AVP13 AVP13 2525 ++xxsvideod MACH_XXSVIDEOD XXSVIDEOD 2526 ++vpnext MACH_VPNEXT VPNEXT 2527 ++swarco_itc3 MACH_SWARCO_ITC3 SWARCO_ITC3 2528 + tx51 MACH_TX51 TX51 2529 ++dolby_cat1021 MACH_DOLBY_CAT1021 DOLBY_CAT1021 2530 + mx28evk MACH_MX28EVK MX28EVK 2531 ++phoenix260 MACH_PHOENIX260 PHOENIX260 2532 ++uvaca_stork MACH_UVACA_STORK UVACA_STORK 2533 + smartq5 MACH_SMARTQ5 SMARTQ5 2534 ++all3078 MACH_ALL3078 ALL3078 2535 ++ctera_2bay_ds MACH_CTERA_2BAY_DS CTERA_2BAY_DS 2536 ++siogentoo3 MACH_SIOGENTOO3 SIOGENTOO3 2537 ++epb5000 MACH_EPB5000 EPB5000 2538 ++hy9263 MACH_HY9263 HY9263 2539 ++acer_tempo_m900 MACH_ACER_TEMPO_M900 ACER_TEMPO_M900 2540 ++acer_tempo_dx650 MACH_ACER_TEMPO_DX900 ACER_TEMPO_DX900 2541 ++acer_tempo_x960 MACH_ACER_TEMPO_X960 ACER_TEMPO_X960 2542 ++acer_eten_v900 MACH_ACER_ETEN_V900 ACER_ETEN_V900 2543 ++acer_eten_x900 MACH_ACER_ETEN_X900 ACER_ETEN_X900 2544 ++bonnell MACH_BONNELL BONNELL 2545 ++oht_mx27 MACH_OHT_MX27 OHT_MX27 2546 ++htcquartz MACH_HTCQUARTZ HTCQUARTZ 2547 + davinci_dm6467tevm MACH_DAVINCI_DM6467TEVM DAVINCI_DM6467TEVM 2548 ++c3ax03 MACH_C3AX03 C3AX03 2549 + mxt_td60 MACH_MXT_TD60 MXT_TD60 2550 ++esyx MACH_ESYX ESYX 2551 ++dove_db2 MACH_DOVE_DB2 DOVE_DB2 2552 ++bulldog MACH_BULLDOG BULLDOG 2553 ++derell_me2000 MACH_DERELL_ME2000 DERELL_ME2000 2554 ++bcmring_base MACH_BCMRING_BASE BCMRING_BASE 2555 ++bcmring_evm MACH_BCMRING_EVM BCMRING_EVM 2556 ++bcmring_evm_jazz MACH_BCMRING_EVM_JAZZ BCMRING_EVM_JAZZ 2557 ++bcmring_sp MACH_BCMRING_SP BCMRING_SP 2558 ++bcmring_sv MACH_BCMRING_SV BCMRING_SV 2559 ++bcmring_sv_jazz MACH_BCMRING_SV_JAZZ BCMRING_SV_JAZZ 2560 ++bcmring_tablet MACH_BCMRING_TABLET BCMRING_TABLET 2561 ++bcmring_vp MACH_BCMRING_VP BCMRING_VP 2562 ++bcmring_evm_seikor MACH_BCMRING_EVM_SEIKOR BCMRING_EVM_SEIKOR 2563 ++bcmring_sp_wqvga MACH_BCMRING_SP_WQVGA BCMRING_SP_WQVGA 2564 ++bcmring_custom MACH_BCMRING_CUSTOM BCMRING_CUSTOM 2565 ++acer_s200 MACH_ACER_S200 ACER_S200 2566 ++bt270 MACH_BT270 BT270 2567 ++iseo MACH_ISEO ISEO 2568 ++cezanne MACH_CEZANNE CEZANNE 2569 ++lucca MACH_LUCCA LUCCA 2570 ++supersmart MACH_SUPERSMART SUPERSMART 2571 ++arm11_board MACH_CS_MISANO CS_MISANO 2572 ++magnolia2 MACH_MAGNOLIA2 MAGNOLIA2 2573 ++emxx MACH_EMXX EMXX 2574 ++outlaw MACH_OUTLAW OUTLAW 2575 + riot_bei2 MACH_RIOT_BEI2 RIOT_BEI2 2576 ++riot_gx2 MACH_RIOT_VOX RIOT_VOX 2577 + riot_x37 MACH_RIOT_X37 RIOT_X37 2578 ++mega25mx MACH_MEGA25MX MEGA25MX 2579 ++benzina2 MACH_BENZINA2 BENZINA2 2580 ++ignite MACH_IGNITE IGNITE 2581 ++foggia MACH_FOGGIA FOGGIA 2582 ++arezzo MACH_AREZZO AREZZO 2583 ++leica_skywalker MACH_LEICA_SKYWALKER LEICA_SKYWALKER 2584 ++jacinto2_jamr MACH_JACINTO2_JAMR JACINTO2_JAMR 2585 ++gts_nova MACH_GTS_NOVA GTS_NOVA 2586 ++p3600 MACH_P3600 P3600 2587 ++dlt2 MACH_DLT2 DLT2 2588 ++df3120 MACH_DF3120 DF3120 2589 ++ecucore_9g20 MACH_ECUCORE_9G20 ECUCORE_9G20 2590 ++nautel_am35xx MACH_NAUTEL_LPC3240 NAUTEL_LPC3240 2591 ++glacier MACH_GLACIER GLACIER 2592 ++phrazer_bulldog MACH_PHRAZER_BULLDOG PHRAZER_BULLDOG 2593 ++omap3_bulldog MACH_OMAP3_BULLDOG OMAP3_BULLDOG 2594 + pca101 MACH_PCA101 PCA101 2595 ++buzzc MACH_BUZZC BUZZC 2596 ++sasie2 MACH_SASIE2 SASIE2 2597 ++smartmeter_dl MACH_SMARTMETER_DL SMARTMETER_DL 2599 ++wzl6410 MACH_WZL6410 WZL6410 2600 ++wzl6410m MACH_WZL6410M WZL6410M 2601 ++wzl6410f MACH_WZL6410F WZL6410F 2602 ++wzl6410i MACH_WZL6410I WZL6410I 2603 ++spacecom1 MACH_SPACECOM1 SPACECOM1 2604 ++pingu920 MACH_PINGU920 PINGU920 2605 ++bravoc MACH_BRAVOC BRAVOC 2606 ++vdssw MACH_VDSSW VDSSW 2608 ++romulus MACH_ROMULUS ROMULUS 2609 ++omap_magic MACH_OMAP_MAGIC OMAP_MAGIC 2610 ++eltd100 MACH_ELTD100 ELTD100 2611 + capc7117 MACH_CAPC7117 CAPC7117 2612 ++swan MACH_SWAN SWAN 2613 ++veu MACH_VEU VEU 2614 ++rm2 MACH_RM2 RM2 2615 ++tt2100 MACH_TT2100 TT2100 2616 ++venice MACH_VENICE VENICE 2617 ++pc7323 MACH_PC7323 PC7323 2618 ++masp MACH_MASP MASP 2619 ++fujitsu_tvstbsoc0 MACH_FUJITSU_TVSTBSOC FUJITSU_TVSTBSOC 2620 ++fujitsu_tvstbsoc1 MACH_FUJITSU_TVSTBSOC1 FUJITSU_TVSTBSOC1 2621 ++lexikon MACH_LEXIKON LEXIKON 2622 ++mini2440v2 MACH_MINI2440V2 MINI2440V2 2623 + icontrol MACH_ICONTROL ICONTROL 2624 + gplugd MACH_GPLUGD GPLUGD 2625 ++qsd8x50a_st1_1 MACH_QSD8X50A_ST1_1 QSD8X50A_ST1_1 2626 + qsd8x50a_st1_5 MACH_QSD8X50A_ST1_5 QSD8X50A_ST1_5 2627 ++bee MACH_BEE BEE 2628 + mx23evk MACH_MX23EVK MX23EVK 2629 + ap4evb MACH_AP4EVB AP4EVB 2630 ++stockholm MACH_STOCKHOLM STOCKHOLM 2631 ++lpc_h3131 MACH_LPC_H3131 LPC_H3131 2632 ++stingray MACH_STINGRAY STINGRAY 2633 ++kraken MACH_KRAKEN KRAKEN 2634 ++gw2388 MACH_GW2388 GW2388 2635 ++jadecpu MACH_JADECPU JADECPU 2636 ++carlisle MACH_CARLISLE CARLISLE 2637 ++lux_sf9 MACH_LUX_SF9 LUX_SF9 2638 ++nemid_tb MACH_NEMID_TB NEMID_TB 2639 ++terrier MACH_TERRIER TERRIER 2640 ++turbot MACH_TURBOT TURBOT 2641 ++sanddab MACH_SANDDAB SANDDAB 2642 ++mx35_cicada MACH_MX35_CICADA MX35_CICADA 2643 ++ghi2703d MACH_GHI2703D GHI2703D 2644 ++lux_sfx9 MACH_LUX_SFX9 LUX_SFX9 2645 ++lux_sf9g MACH_LUX_SF9G LUX_SF9G 2646 ++lux_edk9 MACH_LUX_EDK9 LUX_EDK9 2647 ++hw90240 MACH_HW90240 HW90240 2648 ++dm365_leopard MACH_DM365_LEOPARD DM365_LEOPARD 2649 + mityomapl138 MACH_MITYOMAPL138 MITYOMAPL138 2650 ++scat110 MACH_SCAT110 SCAT110 2651 ++acer_a1 MACH_ACER_A1 ACER_A1 2652 ++cmcontrol MACH_CMCONTROL CMCONTROL 2653 ++pelco_lamar MACH_PELCO_LAMAR PELCO_LAMAR 2654 ++rfp43 MACH_RFP43 RFP43 2655 ++sk86r0301 MACH_SK86R0301 SK86R0301 2656 ++ctpxa MACH_CTPXA CTPXA 2657 ++epb_arm9_a MACH_EPB_ARM9_A EPB_ARM9_A 2658 + guruplug MACH_GURUPLUG GURUPLUG 2659 + spear310 MACH_SPEAR310 SPEAR310 2660 + spear320 MACH_SPEAR320 SPEAR320 2661 ++robotx MACH_ROBOTX ROBOTX 2662 ++lsxhl MACH_LSXHL LSXHL 2663 ++smartlite MACH_SMARTLITE SMARTLITE 2664 ++cws2 MACH_CWS2 CWS2 2665 ++m619 MACH_M619 M619 2666 ++smartview MACH_SMARTVIEW SMARTVIEW 2667 ++lsa_salsa MACH_LSA_SALSA LSA_SALSA 2668 ++kizbox MACH_KIZBOX KIZBOX 2669 ++htccharmer MACH_HTCCHARMER HTCCHARMER 2670 ++guf_neso_lt MACH_GUF_NESO_LT GUF_NESO_LT 2671 ++pm9g45 MACH_PM9G45 PM9G45 2672 ++htcpanther MACH_HTCPANTHER HTCPANTHER 2673 ++htcpanther_cdma MACH_HTCPANTHER_CDMA HTCPANTHER_CDMA 2674 ++reb01 MACH_REB01 REB01 2675 + aquila MACH_AQUILA AQUILA 2676 ++spark_sls_hw2 MACH_SPARK_SLS_HW2 SPARK_SLS_HW2 2677 + esata_sheevaplug MACH_ESATA_SHEEVAPLUG ESATA_SHEEVAPLUG 2678 + msm7x30_surf MACH_MSM7X30_SURF MSM7X30_SURF 2679 ++micro2440 MACH_MICRO2440 MICRO2440 2680 ++am2440 MACH_AM2440 AM2440 2681 ++tq2440 MACH_TQ2440 TQ2440 2682 + ea2478devkit MACH_EA2478DEVKIT EA2478DEVKIT 2683 ++ak880x MACH_AK880X AK880X 2684 ++cobra3530 MACH_COBRA3530 COBRA3530 2685 ++pmppb MACH_PMPPB PMPPB 2686 ++u6715 MACH_U6715 U6715 2687 ++axar1500_sender MACH_AXAR1500_SENDER AXAR1500_SENDER 2688 ++g30_dvb MACH_G30_DVB G30_DVB 2689 ++vc088x MACH_VC088X VC088X 2690 ++mioa702 MACH_MIOA702 MIOA702 2691 ++hpmin MACH_HPMIN HPMIN 2692 ++ak880xak MACH_AK880XAK AK880XAK 2693 ++arm926tomap850 MACH_ARM926TOMAP850 ARM926TOMAP850 2694 ++lkevm MACH_LKEVM LKEVM 2695 ++mw6410 MACH_MW6410 MW6410 2696 + terastation_wxl MACH_TERASTATION_WXL TERASTATION_WXL 2697 ++cpu8000e MACH_CPU8000E CPU8000E 2698 ++tokyo MACH_TOKYO TOKYO 2700 ++msm7201a_surf MACH_MSM7201A_SURF MSM7201A_SURF 2701 ++msm7201a_ffa MACH_MSM7201A_FFA MSM7201A_FFA 2702 + msm7x25_surf MACH_MSM7X25_SURF MSM7X25_SURF 2703 + msm7x25_ffa MACH_MSM7X25_FFA MSM7X25_FFA 2704 + msm7x27_surf MACH_MSM7X27_SURF MSM7X27_SURF 2705 + msm7x27_ffa MACH_MSM7X27_FFA MSM7X27_FFA 2706 + msm7x30_ffa MACH_MSM7X30_FFA MSM7X30_FFA 2707 + qsd8x50_surf MACH_QSD8X50_SURF QSD8X50_SURF 2708 ++qsd8x50_comet MACH_QSD8X50_COMET QSD8X50_COMET 2709 ++qsd8x50_ffa MACH_QSD8X50_FFA QSD8X50_FFA 2710 ++qsd8x50a_surf MACH_QSD8X50A_SURF QSD8X50A_SURF 2711 ++qsd8x50a_ffa MACH_QSD8X50A_FFA QSD8X50A_FFA 2712 ++adx_xgcp10 MACH_ADX_XGCP10 ADX_XGCP10 2713 ++mcgwumts2a MACH_MCGWUMTS2A MCGWUMTS2A 2714 ++mobikt MACH_MOBIKT MOBIKT 2715 + mx53_evk MACH_MX53_EVK MX53_EVK 2716 + igep0030 MACH_IGEP0030 IGEP0030 2717 ++axell_h40_h50_ctrl MACH_AXELL_H40_H50_CTRL AXELL_H40_H50_CTRL 2718 ++dtcommod MACH_DTCOMMOD DTCOMMOD 2719 ++gould MACH_GOULD GOULD 2720 ++siberia MACH_SIBERIA SIBERIA 2721 + sbc3530 MACH_SBC3530 SBC3530 2722 ++qarm MACH_QARM QARM 2723 ++mips MACH_MIPS MIPS 2724 ++mx27grb MACH_MX27GRB MX27GRB 2725 ++sbc8100 MACH_SBC8100 SBC8100 2726 + saarb MACH_SAARB SAARB 2727 ++omap3mini MACH_OMAP3MINI OMAP3MINI 2728 ++cnmbook7se MACH_CNMBOOK7SE CNMBOOK7SE 2729 ++catan MACH_CATAN CATAN 2730 + harmony MACH_HARMONY HARMONY 2731 ++tonga MACH_TONGA TONGA 2732 ++cybook_orizon MACH_CYBOOK_ORIZON CYBOOK_ORIZON 2733 ++htcrhodiumcdma MACH_HTCRHODIUMCDMA HTCRHODIUMCDMA 2734 ++epc_g45 MACH_EPC_G45 EPC_G45 2735 ++epc_lpc3250 MACH_EPC_LPC3250 EPC_LPC3250 2736 ++mxc91341evb MACH_MXC91341EVB MXC91341EVB 2737 ++rtw1000 MACH_RTW1000 RTW1000 2738 ++bobcat MACH_BOBCAT BOBCAT 2739 ++trizeps6 MACH_TRIZEPS6 TRIZEPS6 2740 + msm7x30_fluid MACH_MSM7X30_FLUID MSM7X30_FLUID 2741 ++nedap9263 MACH_NEDAP9263 NEDAP9263 2742 ++netgear_ms2110 MACH_NETGEAR_MS2110 NETGEAR_MS2110 2743 ++bmx MACH_BMX BMX 2744 ++netstream MACH_NETSTREAM NETSTREAM 2745 ++vpnext_rcu MACH_VPNEXT_RCU VPNEXT_RCU 2746 ++vpnext_mpu MACH_VPNEXT_MPU VPNEXT_MPU 2747 ++bcmring_tablet_v1 MACH_BCMRING_TABLET_V1 BCMRING_TABLET_V1 2748 ++sgarm10 MACH_SGARM10 SGARM10 2749 + cm_t3517 MACH_CM_T3517 CM_T3517 2750 ++dig297 MACH_OMAP3_CPS OMAP3_CPS 2751 ++axar1500_receiver MACH_AXAR1500_RECEIVER AXAR1500_RECEIVER 2752 + wbd222 MACH_WBD222 WBD222 2753 ++mt65xx MACH_MT65XX MT65XX 2754 + msm8x60_surf MACH_MSM8X60_SURF MSM8X60_SURF 2755 + msm8x60_sim MACH_MSM8X60_SIM MSM8X60_SIM 2756 + tcc8000_sdk MACH_TCC8000_SDK TCC8000_SDK 2758 + nanos MACH_NANOS NANOS 2759 ++stamp9g10 MACH_STAMP9G10 STAMP9G10 2760 + stamp9g45 MACH_STAMP9G45 STAMP9G45 2761 ++h6053 MACH_H6053 H6053 2762 ++smint01 MACH_SMINT01 SMINT01 2763 ++prtlvt2 MACH_PRTLVT2 PRTLVT2 2764 ++ap420 MACH_AP420 AP420 2765 ++davinci_dm365_fc MACH_DAVINCI_DM365_FC DAVINCI_DM365_FC 2767 ++msm8x55_surf MACH_MSM8X55_SURF MSM8X55_SURF 2768 ++msm8x55_ffa MACH_MSM8X55_FFA MSM8X55_FFA 2769 ++esl_vamana MACH_ESL_VAMANA ESL_VAMANA 2770 ++sbc35 MACH_SBC35 SBC35 2771 ++mpx6446 MACH_MPX6446 MPX6446 2772 ++oreo_controller MACH_OREO_CONTROLLER OREO_CONTROLLER 2773 ++kopin_models MACH_KOPIN_MODELS KOPIN_MODELS 2774 ++ttc_vision2 MACH_TTC_VISION2 TTC_VISION2 2775 + cns3420vb MACH_CNS3420VB CNS3420VB 2776 ++lpc_evo MACH_LPC2 LPC2 2777 ++olympus MACH_OLYMPUS OLYMPUS 2778 ++vortex MACH_VORTEX VORTEX 2779 ++s5pc200 MACH_S5PC200 S5PC200 2780 ++ecucore_9263 MACH_ECUCORE_9263 ECUCORE_9263 2781 ++smdkc200 MACH_SMDKC200 SMDKC200 2782 ++emsiso_sx27 MACH_EMSISO_SX27 EMSISO_SX27 2783 ++apx_som9g45_ek MACH_APX_SOM9G45_EK APX_SOM9G45_EK 2784 ++songshan MACH_SONGSHAN SONGSHAN 2785 ++tianshan MACH_TIANSHAN TIANSHAN 2786 ++vpx500 MACH_VPX500 VPX500 2787 ++am3517sam MACH_AM3517SAM AM3517SAM 2788 ++skat91_sim508 MACH_SKAT91_SIM508 SKAT91_SIM508 2789 ++skat91_s3e MACH_SKAT91_S3E SKAT91_S3E 2790 + omap4_panda MACH_OMAP4_PANDA OMAP4_PANDA 2791 ++df7220 MACH_DF7220 DF7220 2792 ++nemini MACH_NEMINI NEMINI 2793 ++t8200 MACH_T8200 T8200 2794 ++apf51 MACH_APF51 APF51 2795 ++dr_rc_unit MACH_DR_RC_UNIT DR_RC_UNIT 2796 ++bordeaux MACH_BORDEAUX BORDEAUX 2797 ++catania_b MACH_CATANIA_B CATANIA_B 2798 ++mx51_ocean MACH_MX51_OCEAN MX51_OCEAN 2799 + ti8168evm MACH_TI8168EVM TI8168EVM 2800 ++neocoreomap MACH_NEOCOREOMAP NEOCOREOMAP 2801 ++withings_wbp MACH_WITHINGS_WBP WITHINGS_WBP 2802 ++dbps MACH_DBPS DBPS 2803 ++pcbfp0001 MACH_PCBFP0001 PCBFP0001 2805 ++speedy MACH_SPEEDY SPEEDY 2806 ++chrysaor MACH_CHRYSAOR CHRYSAOR 2807 ++tango MACH_TANGO TANGO 2808 ++synology_dsx11 MACH_SYNOLOGY_DSX11 SYNOLOGY_DSX11 2809 ++hanlin_v3ext MACH_HANLIN_V3EXT HANLIN_V3EXT 2810 ++hanlin_v5 MACH_HANLIN_V5 HANLIN_V5 2811 ++hanlin_v3plus MACH_HANLIN_V3PLUS HANLIN_V3PLUS 2812 ++iriver_story MACH_IRIVER_STORY IRIVER_STORY 2813 ++irex_iliad MACH_IREX_ILIAD IREX_ILIAD 2814 ++irex_dr1000 MACH_IREX_DR1000 IREX_DR1000 2815 + teton_bga MACH_TETON_BGA TETON_BGA 2816 ++snapper9g45 MACH_SNAPPER9G45 SNAPPER9G45 2817 ++tam3517 MACH_TAM3517 TAM3517 2818 ++pdc100 MACH_PDC100 PDC100 2819 + eukrea_cpuimx25sd MACH_EUKREA_CPUIMX25SD EUKREA_CPUIMX25SD 2820 + eukrea_cpuimx35sd MACH_EUKREA_CPUIMX35SD EUKREA_CPUIMX35SD 2821 + eukrea_cpuimx51sd MACH_EUKREA_CPUIMX51SD EUKREA_CPUIMX51SD 2822 + eukrea_cpuimx51 MACH_EUKREA_CPUIMX51 EUKREA_CPUIMX51 2823 ++p565 MACH_P565 P565 2824 ++acer_a4 MACH_ACER_A4 ACER_A4 2825 ++davinci_dm368_bip MACH_DAVINCI_DM368_BIP DAVINCI_DM368_BIP 2826 ++eshare MACH_ESHARE ESHARE 2827 ++wlbargn MACH_WLBARGN WLBARGN 2829 ++bm170 MACH_BM170 BM170 2830 ++netspace_mini_v2 MACH_NETSPACE_MINI_V2 NETSPACE_MINI_V2 2831 ++netspace_plug_v2 MACH_NETSPACE_PLUG_V2 NETSPACE_PLUG_V2 2832 ++siemens_l1 MACH_SIEMENS_L1 SIEMENS_L1 2833 ++elv_lcu1 MACH_ELV_LCU1 ELV_LCU1 2834 ++mcu1 MACH_MCU1 MCU1 2835 ++omap3_tao3530 MACH_OMAP3_TAO3530 OMAP3_TAO3530 2836 ++omap3_pcutouch MACH_OMAP3_PCUTOUCH OMAP3_PCUTOUCH 2837 + smdkc210 MACH_SMDKC210 SMDKC210 2838 +-pca102 MACH_PCA102 PCA102 2843 ++omap3_braillo MACH_OMAP3_BRAILLO OMAP3_BRAILLO 2839 ++spyplug MACH_SPYPLUG SPYPLUG 2840 ++ginger MACH_GINGER GINGER 2841 ++tny_t3530 MACH_TNY_T3530 TNY_T3530 2842 ++pcaal1 MACH_PCAAL1 PCAAL1 2843 ++spade MACH_SPADE SPADE 2844 ++mxc25_topaz MACH_MXC25_TOPAZ MXC25_TOPAZ 2845 + t5325 MACH_T5325 T5325 2846 ++gw2361 MACH_GW2361 GW2361 2847 ++elog MACH_ELOG ELOG 2848 + income MACH_INCOME INCOME 2849 ++bcm589x MACH_BCM589X BCM589X 2850 ++etna MACH_ETNA ETNA 2851 ++hawks MACH_HAWKS HAWKS 2852 ++meson MACH_MESON MESON 2853 ++xsbase255 MACH_XSBASE255 XSBASE255 2854 ++pvm2030 MACH_PVM2030 PVM2030 2855 ++mioa502 MACH_MIOA502 MIOA502 2856 + vvbox_sdorig2 MACH_VVBOX_SDORIG2 VVBOX_SDORIG2 2857 + vvbox_sdlite2 MACH_VVBOX_SDLITE2 VVBOX_SDLITE2 2858 + vvbox_sdpro4 MACH_VVBOX_SDPRO4 VVBOX_SDPRO4 2859 ++htc_spv_m700 MACH_HTC_SPV_M700 HTC_SPV_M700 2860 + mx257sx MACH_MX257SX MX257SX 2861 + goni MACH_GONI GONI 2862 ++msm8x55_svlte_ffa MACH_MSM8X55_SVLTE_FFA MSM8X55_SVLTE_FFA 2863 ++msm8x55_svlte_surf MACH_MSM8X55_SVLTE_SURF MSM8X55_SVLTE_SURF 2864 ++quickstep MACH_QUICKSTEP QUICKSTEP 2865 ++dmw96 MACH_DMW96 DMW96 2866 ++hammerhead MACH_HAMMERHEAD HAMMERHEAD 2867 ++trident MACH_TRIDENT TRIDENT 2868 ++lightning MACH_LIGHTNING LIGHTNING 2869 ++iconnect MACH_ICONNECT ICONNECT 2870 ++autobot MACH_AUTOBOT AUTOBOT 2871 ++coconut MACH_COCONUT COCONUT 2872 ++durian MACH_DURIAN DURIAN 2873 ++cayenne MACH_CAYENNE CAYENNE 2874 ++fuji MACH_FUJI FUJI 2875 ++synology_6282 MACH_SYNOLOGY_6282 SYNOLOGY_6282 2876 ++em1sy MACH_EM1SY EM1SY 2877 ++m502 MACH_M502 M502 2878 ++matrix518 MACH_MATRIX518 MATRIX518 2879 ++tiny_gurnard MACH_TINY_GURNARD TINY_GURNARD 2880 ++spear1310 MACH_SPEAR1310 SPEAR1310 2881 + bv07 MACH_BV07 BV07 2882 ++mxt_td61 MACH_MXT_TD61 MXT_TD61 2883 + openrd_ultimate MACH_OPENRD_ULTIMATE OPENRD_ULTIMATE 2884 + devixp MACH_DEVIXP DEVIXP 2885 + miccpt MACH_MICCPT MICCPT 2886 + mic256 MACH_MIC256 MIC256 2887 ++as1167 MACH_AS1167 AS1167 2888 ++omap3_ibiza MACH_OMAP3_IBIZA OMAP3_IBIZA 2889 + u5500 MACH_U5500 U5500 2890 ++davinci_picto MACH_DAVINCI_PICTO DAVINCI_PICTO 2891 ++mecha MACH_MECHA MECHA 2892 ++bubba3 MACH_BUBBA3 BUBBA3 2893 ++pupitre MACH_PUPITRE PUPITRE 2894 ++tegra_vogue MACH_TEGRA_VOGUE TEGRA_VOGUE 2896 ++tegra_e1165 MACH_TEGRA_E1165 TEGRA_E1165 2897 ++simplenet MACH_SIMPLENET SIMPLENET 2898 ++ec4350tbm MACH_EC4350TBM EC4350TBM 2899 ++pec_tc MACH_PEC_TC PEC_TC 2900 ++pec_hc2 MACH_PEC_HC2 PEC_HC2 2901 ++esl_mobilis_a MACH_ESL_MOBILIS_A ESL_MOBILIS_A 2902 ++esl_mobilis_b MACH_ESL_MOBILIS_B ESL_MOBILIS_B 2903 ++esl_wave_a MACH_ESL_WAVE_A ESL_WAVE_A 2904 ++esl_wave_b MACH_ESL_WAVE_B ESL_WAVE_B 2905 ++unisense_mmm MACH_UNISENSE_MMM UNISENSE_MMM 2906 ++blueshark MACH_BLUESHARK BLUESHARK 2907 ++e10 MACH_E10 E10 2908 ++app3k_robin MACH_APP3K_ROBIN APP3K_ROBIN 2909 ++pov15hd MACH_POV15HD POV15HD 2910 ++stella MACH_STELLA STELLA 2911 + linkstation_lschl MACH_LINKSTATION_LSCHL LINKSTATION_LSCHL 2913 ++netwalker MACH_NETWALKER NETWALKER 2914 ++acsx106 MACH_ACSX106 ACSX106 2915 ++atlas5_c1 MACH_ATLAS5_C1 ATLAS5_C1 2916 ++nsb3ast MACH_NSB3AST NSB3AST 2917 ++gnet_slc MACH_GNET_SLC GNET_SLC 2918 ++af4000 MACH_AF4000 AF4000 2919 ++ark9431 MACH_ARK9431 ARK9431 2920 ++fs_s5pc100 MACH_FS_S5PC100 FS_S5PC100 2921 ++omap3505nova8 MACH_OMAP3505NOVA8 OMAP3505NOVA8 2922 ++omap3621_edp1 MACH_OMAP3621_EDP1 OMAP3621_EDP1 2923 ++oratisaes MACH_ORATISAES ORATISAES 2924 + smdkv310 MACH_SMDKV310 SMDKV310 2925 ++siemens_l0 MACH_SIEMENS_L0 SIEMENS_L0 2926 ++ventana MACH_VENTANA VENTANA 2927 + wm8505_7in_netbook MACH_WM8505_7IN_NETBOOK WM8505_7IN_NETBOOK 2928 ++ec4350sdb MACH_EC4350SDB EC4350SDB 2929 ++mimas MACH_MIMAS MIMAS 2930 ++titan MACH_TITAN TITAN 2931 + craneboard MACH_CRANEBOARD CRANEBOARD 2932 ++es2440 MACH_ES2440 ES2440 2933 ++najay_a9263 MACH_NAJAY_A9263 NAJAY_A9263 2934 ++htctornado MACH_HTCTORNADO HTCTORNADO 2935 ++dimm_mx257 MACH_DIMM_MX257 DIMM_MX257 2936 ++jigen301 MACH_JIGEN JIGEN 2937 + smdk6450 MACH_SMDK6450 SMDK6450 2938 ++meno_qng MACH_MENO_QNG MENO_QNG 2939 ++ns2416 MACH_NS2416 NS2416 2940 ++rpc353 MACH_RPC353 RPC353 2941 ++tq6410 MACH_TQ6410 TQ6410 2942 ++sky6410 MACH_SKY6410 SKY6410 2943 ++dynasty MACH_DYNASTY DYNASTY 2944 ++vivo MACH_VIVO VIVO 2945 ++bury_bl7582 MACH_BURY_BL7582 BURY_BL7582 2946 ++bury_bps5270 MACH_BURY_BPS5270 BURY_BPS5270 2947 ++basi MACH_BASI BASI 2948 ++tn200 MACH_TN200 TN200 2949 ++c2mmi MACH_C2MMI C2MMI 2950 ++meson_6236m MACH_MESON_6236M MESON_6236M 2951 ++meson_8626m MACH_MESON_8626M MESON_8626M 2952 ++tube MACH_TUBE TUBE 2953 ++messina MACH_MESSINA MESSINA 2954 ++mx50_arm2 MACH_MX50_ARM2 MX50_ARM2 2955 ++cetus9263 MACH_CETUS9263 CETUS9263 2956 + brownstone MACH_BROWNSTONE BROWNSTONE 2957 ++vmx25 MACH_VMX25 VMX25 2958 ++vmx51 MACH_VMX51 VMX51 2959 ++abacus MACH_ABACUS ABACUS 2960 ++cm4745 MACH_CM4745 CM4745 2961 ++oratislink MACH_ORATISLINK ORATISLINK 2962 ++davinci_dm365_dvr MACH_DAVINCI_DM365_DVR DAVINCI_DM365_DVR 2963 ++netviz MACH_NETVIZ NETVIZ 2964 + flexibity MACH_FLEXIBITY FLEXIBITY 2965 ++wlan_computer MACH_WLAN_COMPUTER WLAN_COMPUTER 2966 ++lpc24xx MACH_LPC24XX LPC24XX 2967 ++spica MACH_SPICA SPICA 2968 ++gpsdisplay MACH_GPSDISPLAY GPSDISPLAY 2969 ++bipnet MACH_BIPNET BIPNET 2970 ++overo_ctu_inertial MACH_OVERO_CTU_INERTIAL OVERO_CTU_INERTIAL 2971 ++davinci_dm355_mmm MACH_DAVINCI_DM355_MMM DAVINCI_DM355_MMM 2972 ++pc9260_v2 MACH_PC9260_V2 PC9260_V2 2973 ++ptx7545 MACH_PTX7545 PTX7545 2974 ++tm_efdc MACH_TM_EFDC TM_EFDC 2975 ++omap3_waldo1 MACH_OMAP3_WALDO1 OMAP3_WALDO1 2977 ++flyer MACH_FLYER FLYER 2978 ++tornado3240 MACH_TORNADO3240 TORNADO3240 2979 ++soli_01 MACH_SOLI_01 SOLI_01 2980 ++omapl138_europalc MACH_OMAPL138_EUROPALC OMAPL138_EUROPALC 2981 ++helios_v1 MACH_HELIOS_V1 HELIOS_V1 2982 ++netspace_lite_v2 MACH_NETSPACE_LITE_V2 NETSPACE_LITE_V2 2983 ++ssc MACH_SSC SSC 2984 ++premierwave_en MACH_PREMIERWAVE_EN PREMIERWAVE_EN 2985 ++wasabi MACH_WASABI WASABI 2986 + mx50_rdp MACH_MX50_RDP MX50_RDP 2988 + universal_c210 MACH_UNIVERSAL_C210 UNIVERSAL_C210 2989 + real6410 MACH_REAL6410 REAL6410 2990 ++spx_sakura MACH_SPX_SAKURA SPX_SAKURA 2991 ++ij3k_2440 MACH_IJ3K_2440 IJ3K_2440 2992 ++omap3_bc10 MACH_OMAP3_BC10 OMAP3_BC10 2993 ++thebe MACH_THEBE THEBE 2994 ++rv082 MACH_RV082 RV082 2995 ++armlguest MACH_ARMLGUEST ARMLGUEST 2996 ++tjinc1000 MACH_TJINC1000 TJINC1000 2997 + dockstar MACH_DOCKSTAR DOCKSTAR 2998 ++ax8008 MACH_AX8008 AX8008 2999 ++gnet_sgce MACH_GNET_SGCE GNET_SGCE 3000 ++pxwnas_500_1000 MACH_PXWNAS_500_1000 PXWNAS_500_1000 3001 ++ea20 MACH_EA20 EA20 3002 ++awm2 MACH_AWM2 AWM2 3003 + ti8148evm MACH_TI8148EVM TI8148EVM 3004 + seaboard MACH_SEABOARD SEABOARD 3005 ++linkstation_chlv2 MACH_LINKSTATION_CHLV2 LINKSTATION_CHLV2 3006 ++tera_pro2_rack MACH_TERA_PRO2_RACK TERA_PRO2_RACK 3007 ++rubys MACH_RUBYS RUBYS 3008 ++aquarius MACH_AQUARIUS AQUARIUS 3009 + mx53_ard MACH_MX53_ARD MX53_ARD 3010 + mx53_smd MACH_MX53_SMD MX53_SMD 3011 ++lswxl MACH_LSWXL LSWXL 3012 ++dove_avng_v3 MACH_DOVE_AVNG_V3 DOVE_AVNG_V3 3013 ++sdi_ess_9263 MACH_SDI_ESS_9263 SDI_ESS_9263 3014 ++jocpu550 MACH_JOCPU550 JOCPU550 3015 + msm8x60_rumi3 MACH_MSM8X60_RUMI3 MSM8X60_RUMI3 3016 + msm8x60_ffa MACH_MSM8X60_FFA MSM8X60_FFA 3017 ++yanomami MACH_YANOMAMI YANOMAMI 3018 ++gta04 MACH_GTA04 GTA04 3019 + cm_a510 MACH_CM_A510 CM_A510 3020 ++omap3_rfs200 MACH_OMAP3_RFS200 OMAP3_RFS200 3021 ++kx33xx MACH_KX33XX KX33XX 3022 ++ptx7510 MACH_PTX7510 PTX7510 3023 ++top9000 MACH_TOP9000 TOP9000 3024 ++teenote MACH_TEENOTE TEENOTE 3025 ++ts3 MACH_TS3 TS3 3026 ++a0 MACH_A0 A0 3027 ++fsm9xxx_surf MACH_FSM9XXX_SURF FSM9XXX_SURF 3028 ++fsm9xxx_ffa MACH_FSM9XXX_FFA FSM9XXX_FFA 3029 ++frrhwcdma60w MACH_FRRHWCDMA60W FRRHWCDMA60W 3030 ++remus MACH_REMUS REMUS 3031 ++at91cap7xdk MACH_AT91CAP7XDK AT91CAP7XDK 3032 ++at91cap7stk MACH_AT91CAP7STK AT91CAP7STK 3033 ++kt_sbc_sam9_1 MACH_KT_SBC_SAM9_1 KT_SBC_SAM9_1 3034 ++armada_xp_db MACH_ARMADA_XP_DB ARMADA_XP_DB 3036 ++spdm MACH_SPDM SPDM 3037 ++gtib MACH_GTIB GTIB 3038 ++dgm3240 MACH_DGM3240 DGM3240 3039 ++htcmega MACH_HTCMEGA HTCMEGA 3041 ++tricorder MACH_TRICORDER TRICORDER 3042 + tx28 MACH_TX28 TX28 3043 ++bstbrd MACH_BSTBRD BSTBRD 3044 ++pwb3090 MACH_PWB3090 PWB3090 3045 ++idea6410 MACH_IDEA6410 IDEA6410 3046 ++qbc9263 MACH_QBC9263 QBC9263 3047 ++borabora MACH_BORABORA BORABORA 3048 ++valdez MACH_VALDEZ VALDEZ 3049 ++ls9g20 MACH_LS9G20 LS9G20 3050 ++mios_v1 MACH_MIOS_V1 MIOS_V1 3051 ++s5pc110_crespo MACH_S5PC110_CRESPO S5PC110_CRESPO 3052 ++controltek9g20 MACH_CONTROLTEK9G20 CONTROLTEK9G20 3053 ++tin307 MACH_TIN307 TIN307 3054 ++tin510 MACH_TIN510 TIN510 3055 ++ep3505 MACH_EP3517 EP3517 3056 ++bluecheese MACH_BLUECHEESE BLUECHEESE 3057 ++tem3x30 MACH_TEM3X30 TEM3X30 3058 ++harvest_desoto MACH_HARVEST_DESOTO HARVEST_DESOTO 3059 ++msm8x60_qrdc MACH_MSM8X60_QRDC MSM8X60_QRDC 3060 ++spear900 MACH_SPEAR900 SPEAR900 3061 + pcontrol_g20 MACH_PCONTROL_G20 PCONTROL_G20 3062 ++rdstor MACH_RDSTOR RDSTOR 3063 ++usdloader MACH_USDLOADER USDLOADER 3064 ++tsoploader MACH_TSOPLOADER TSOPLOADER 3065 ++kronos MACH_KRONOS KRONOS 3066 ++ffcore MACH_FFCORE FFCORE 3067 ++mone MACH_MONE MONE 3068 ++unit2s MACH_UNIT2S UNIT2S 3069 ++acer_a5 MACH_ACER_A5 ACER_A5 3070 ++etherpro_isp MACH_ETHERPRO_ISP ETHERPRO_ISP 3071 ++stretchs7000 MACH_STRETCHS7000 STRETCHS7000 3072 ++p87_smartsim MACH_P87_SMARTSIM P87_SMARTSIM 3073 ++tulip MACH_TULIP TULIP 3074 ++sunflower MACH_SUNFLOWER SUNFLOWER 3075 ++rib MACH_RIB RIB 3076 ++clod MACH_CLOD CLOD 3077 ++rump MACH_RUMP RUMP 3078 ++tenderloin MACH_TENDERLOIN TENDERLOIN 3079 ++shortloin MACH_SHORTLOIN SHORTLOIN 3080 ++antares MACH_ANTARES ANTARES 3082 ++wb40n MACH_WB40N WB40N 3083 ++herring MACH_HERRING HERRING 3084 ++naxy400 MACH_NAXY400 NAXY400 3085 ++naxy1200 MACH_NAXY1200 NAXY1200 3086 + vpr200 MACH_VPR200 VPR200 3087 ++bug20 MACH_BUG20 BUG20 3088 ++goflexnet MACH_GOFLEXNET GOFLEXNET 3089 + torbreck MACH_TORBRECK TORBRECK 3090 ++saarb_mg1 MACH_SAARB_MG1 SAARB_MG1 3091 ++callisto MACH_CALLISTO CALLISTO 3092 ++multhsu MACH_MULTHSU MULTHSU 3093 ++saluda MACH_SALUDA SALUDA 3094 ++pemp_omap3_apollo MACH_PEMP_OMAP3_APOLLO PEMP_OMAP3_APOLLO 3095 ++vc0718 MACH_VC0718 VC0718 3096 ++mvblx MACH_MVBLX MVBLX 3097 ++inhand_apeiron MACH_INHAND_APEIRON INHAND_APEIRON 3098 ++inhand_fury MACH_INHAND_FURY INHAND_FURY 3099 ++inhand_siren MACH_INHAND_SIREN INHAND_SIREN 3100 ++hdnvp MACH_HDNVP HDNVP 3101 ++softwinner MACH_SOFTWINNER SOFTWINNER 3102 + prima2_evb MACH_PRIMA2_EVB PRIMA2_EVB 3103 ++nas6210 MACH_NAS6210 NAS6210 3104 ++unisdev MACH_UNISDEV UNISDEV 3105 ++sbca11 MACH_SBCA11 SBCA11 3106 ++saga MACH_SAGA SAGA 3107 ++ns_k330 MACH_NS_K330 NS_K330 3108 ++tanna MACH_TANNA TANNA 3109 ++imate8502 MACH_IMATE8502 IMATE8502 3110 ++aspen MACH_ASPEN ASPEN 3111 ++daintree_cwac MACH_DAINTREE_CWAC DAINTREE_CWAC 3112 ++zmx25 MACH_ZMX25 ZMX25 3113 ++maple1 MACH_MAPLE1 MAPLE1 3114 ++qsd8x72_surf MACH_QSD8X72_SURF QSD8X72_SURF 3115 ++qsd8x72_ffa MACH_QSD8X72_FFA QSD8X72_FFA 3116 ++abilene MACH_ABILENE ABILENE 3117 ++eigen_ttr MACH_EIGEN_TTR EIGEN_TTR 3118 ++iomega_ix2_200 MACH_IOMEGA_IX2_200 IOMEGA_IX2_200 3119 ++coretec_vcx7400 MACH_CORETEC_VCX7400 CORETEC_VCX7400 3120 ++santiago MACH_SANTIAGO SANTIAGO 3121 ++mx257sol MACH_MX257SOL MX257SOL 3122 ++strasbourg MACH_STRASBOURG STRASBOURG 3123 ++msm8x60_fluid MACH_MSM8X60_FLUID MSM8X60_FLUID 3124 ++smartqv5 MACH_SMARTQV5 SMARTQV5 3125 ++smartqv3 MACH_SMARTQV3 SMARTQV3 3126 ++smartqv7 MACH_SMARTQV7 SMARTQV7 3127 + paz00 MACH_PAZ00 PAZ00 3128 + acmenetusfoxg20 MACH_ACMENETUSFOXG20 ACMENETUSFOXG20 3129 ++fwbd_0404 MACH_FWBD_0404 FWBD_0404 3131 ++hdgu MACH_HDGU HDGU 3132 ++pyramid MACH_PYRAMID PYRAMID 3133 ++epiphan MACH_EPIPHAN EPIPHAN 3134 ++omap_bender MACH_OMAP_BENDER OMAP_BENDER 3135 ++gurnard MACH_GURNARD GURNARD 3136 ++gtl_it5100 MACH_GTL_IT5100 GTL_IT5100 3137 ++bcm2708 MACH_BCM2708 BCM2708 3138 ++mx51_ggc MACH_MX51_GGC MX51_GGC 3139 ++sharespace MACH_SHARESPACE SHARESPACE 3140 ++haba_knx_explorer MACH_HABA_KNX_EXPLORER HABA_KNX_EXPLORER 3141 ++simtec_kirkmod MACH_SIMTEC_KIRKMOD SIMTEC_KIRKMOD 3142 ++crux MACH_CRUX CRUX 3143 ++mx51_bravo MACH_MX51_BRAVO MX51_BRAVO 3144 ++charon MACH_CHARON CHARON 3145 ++picocom3 MACH_PICOCOM3 PICOCOM3 3146 ++picocom4 MACH_PICOCOM4 PICOCOM4 3147 ++serrano MACH_SERRANO SERRANO 3148 ++doubleshot MACH_DOUBLESHOT DOUBLESHOT 3149 ++evsy MACH_EVSY EVSY 3150 ++huashan MACH_HUASHAN HUASHAN 3151 ++lausanne MACH_LAUSANNE LAUSANNE 3152 ++emerald MACH_EMERALD EMERALD 3153 ++tqma35 MACH_TQMA35 TQMA35 3154 ++marvel MACH_MARVEL MARVEL 3155 ++manuae MACH_MANUAE MANUAE 3156 ++chacha MACH_CHACHA CHACHA 3157 ++lemon MACH_LEMON LEMON 3158 ++csc MACH_CSC CSC 3159 ++gira_knxip_router MACH_GIRA_KNXIP_ROUTER GIRA_KNXIP_ROUTER 3160 ++t20 MACH_T20 T20 3161 ++hdmini MACH_HDMINI HDMINI 3162 ++sciphone_g2 MACH_SCIPHONE_G2 SCIPHONE_G2 3163 ++express MACH_EXPRESS EXPRESS 3164 ++express_kt MACH_EXPRESS_KT EXPRESS_KT 3165 ++maximasp MACH_MAXIMASP MAXIMASP 3166 ++nitrogen_imx51 MACH_NITROGEN_IMX51 NITROGEN_IMX51 3167 ++nitrogen_imx53 MACH_NITROGEN_IMX53 NITROGEN_IMX53 3168 ++sunfire MACH_SUNFIRE SUNFIRE 3169 ++arowana MACH_AROWANA AROWANA 3170 ++tegra_daytona MACH_TEGRA_DAYTONA TEGRA_DAYTONA 3171 ++tegra_swordfish MACH_TEGRA_SWORDFISH TEGRA_SWORDFISH 3172 ++edison MACH_EDISON EDISON 3173 ++svp8500v1 MACH_SVP8500V1 SVP8500V1 3174 ++svp8500v2 MACH_SVP8500V2 SVP8500V2 3175 ++svp5500 MACH_SVP5500 SVP5500 3176 ++b5500 MACH_B5500 B5500 3177 ++s5500 MACH_S5500 S5500 3178 ++icon MACH_ICON ICON 3179 ++elephant MACH_ELEPHANT ELEPHANT 3180 ++shooter MACH_SHOOTER SHOOTER 3182 ++spade_lte MACH_SPADE_LTE SPADE_LTE 3183 ++philhwani MACH_PHILHWANI PHILHWANI 3184 ++gsncomm MACH_GSNCOMM GSNCOMM 3185 ++strasbourg_a2 MACH_STRASBOURG_A2 STRASBOURG_A2 3186 ++mmm MACH_MMM MMM 3187 ++davinci_dm365_bv MACH_DAVINCI_DM365_BV DAVINCI_DM365_BV 3188 + ag5evm MACH_AG5EVM AG5EVM 3189 ++sc575plc MACH_SC575PLC SC575PLC 3190 ++sc575hmi MACH_SC575IPC SC575IPC 3191 ++omap3_tdm3730 MACH_OMAP3_TDM3730 OMAP3_TDM3730 3192 ++top9000_eval MACH_TOP9000_EVAL TOP9000_EVAL 3194 ++top9000_su MACH_TOP9000_SU TOP9000_SU 3195 ++utm300 MACH_UTM300 UTM300 3196 + tsunagi MACH_TSUNAGI TSUNAGI 3197 ++ts75xx MACH_TS75XX TS75XX 3198 ++ts47xx MACH_TS47XX TS47XX 3200 ++da850_k5 MACH_DA850_K5 DA850_K5 3201 ++ax502 MACH_AX502 AX502 3202 ++igep0032 MACH_IGEP0032 IGEP0032 3203 ++antero MACH_ANTERO ANTERO 3204 ++synergy MACH_SYNERGY SYNERGY 3205 + ics_if_voip MACH_ICS_IF_VOIP ICS_IF_VOIP 3206 + wlf_cragg_6410 MACH_WLF_CRAGG_6410 WLF_CRAGG_6410 3207 ++punica MACH_PUNICA PUNICA 3208 + trimslice MACH_TRIMSLICE TRIMSLICE 3209 ++mx27_wmultra MACH_MX27_WMULTRA MX27_WMULTRA 3210 + mackerel MACH_MACKEREL MACKEREL 3211 ++fa9x27 MACH_FA9X27 FA9X27 3213 ++ns2816tb MACH_NS2816TB NS2816TB 3214 ++ns2816_ntpad MACH_NS2816_NTPAD NS2816_NTPAD 3215 ++ns2816_ntnb MACH_NS2816_NTNB NS2816_NTNB 3216 + kaen MACH_KAEN KAEN 3217 ++nv1000 MACH_NV1000 NV1000 3218 ++nuc950ts MACH_NUC950TS NUC950TS 3219 + nokia_rm680 MACH_NOKIA_RM680 NOKIA_RM680 3220 ++ast2200 MACH_AST2200 AST2200 3221 ++lead MACH_LEAD LEAD 3222 ++unino1 MACH_UNINO1 UNINO1 3223 ++greeco MACH_GREECO GREECO 3224 ++verdi MACH_VERDI VERDI 3225 + dm6446_adbox MACH_DM6446_ADBOX DM6446_ADBOX 3226 + quad_salsa MACH_QUAD_SALSA QUAD_SALSA 3227 + abb_gma_1_1 MACH_ABB_GMA_1_1 ABB_GMA_1_1 3228 +@@ -603,7 +3251,9 @@ isc3 MACH_ISC3 ISC3 3291 + rascal MACH_RASCAL RASCAL 3292 + hrefv60 MACH_HREFV60 HREFV60 3293 + tpt_2_0 MACH_TPT_2_0 TPT_2_0 3294 ++pydtd MACH_PYRAMID_TD PYRAMID_TD 3295 + splendor MACH_SPLENDOR SPLENDOR 3296 ++guf_vincell MACH_GUF_PLANET GUF_PLANET 3297 + msm8x60_qt MACH_MSM8X60_QT MSM8X60_QT 3298 + htc_hd_mini MACH_HTC_HD_MINI HTC_HD_MINI 3299 + athene MACH_ATHENE ATHENE 3300 +@@ -614,6 +3264,7 @@ rfl109145_ssrv MACH_RFL109145_SSRV RFL1 + nmh MACH_NMH NMH 3305 + wn802t MACH_WN802T WN802T 3306 + dragonet MACH_DRAGONET DRAGONET 3307 ++geneva_b4 MACH_GENEVA_B GENEVA_B 3308 + at91sam9263desk16l MACH_AT91SAM9263DESK16L AT91SAM9263DESK16L 3309 + bcmhana_sv MACH_BCMHANA_SV BCMHANA_SV 3310 + bcmhana_tablet MACH_BCMHANA_TABLET BCMHANA_TABLET 3311 +@@ -621,11 +3272,13 @@ koi MACH_KOI KOI 3312 + ts4800 MACH_TS4800 TS4800 3313 + tqma9263 MACH_TQMA9263 TQMA9263 3314 + holiday MACH_HOLIDAY HOLIDAY 3315 ++dma_6410 MACH_DMA6410 DMA6410 3316 + pcats_overlay MACH_PCATS_OVERLAY PCATS_OVERLAY 3317 + hwgw6410 MACH_HWGW6410 HWGW6410 3318 + shenzhou MACH_SHENZHOU SHENZHOU 3319 + cwme9210 MACH_CWME9210 CWME9210 3320 + cwme9210js MACH_CWME9210JS CWME9210JS 3321 ++pgs_v1 MACH_PGS_SITARA PGS_SITARA 3322 + colibri_tegra2 MACH_COLIBRI_TEGRA2 COLIBRI_TEGRA2 3323 + w21 MACH_W21 W21 3324 + polysat1 MACH_POLYSAT1 POLYSAT1 3325 +@@ -691,11 +3344,15 @@ viprinet MACH_VIPRINET VIPRINET 3385 + bockw MACH_BOCKW BOCKW 3386 + eva2000 MACH_EVA2000 EVA2000 3387 + steelyard MACH_STEELYARD STEELYARD 3388 ++ea2468devkit MACH_LPC2468OEM LPC2468OEM 3389 ++sdh001 MACH_MACH_SDH001 MACH_SDH001 3390 ++fe2478mblox MACH_LPC2478MICROBLOX LPC2478MICROBLOX 3391 + nsslsboard MACH_NSSLSBOARD NSSLSBOARD 3392 + geneva_b5 MACH_GENEVA_B5 GENEVA_B5 3393 + spear1340 MACH_SPEAR1340 SPEAR1340 3394 + rexmas MACH_REXMAS REXMAS 3395 + msm8960_cdp MACH_MSM8960_CDP MSM8960_CDP 3396 ++msm8960_mtp MACH_MSM8960_MDP MSM8960_MDP 3397 + msm8960_fluid MACH_MSM8960_FLUID MSM8960_FLUID 3398 + msm8960_apq MACH_MSM8960_APQ MSM8960_APQ 3399 + helios_v2 MACH_HELIOS_V2 HELIOS_V2 3400 +@@ -727,6 +3384,7 @@ gt_i5700 MACH_GT_I5700 GT_I5700 3425 + ctera_plug_c2 MACH_CTERA_PLUG_C2 CTERA_PLUG_C2 3426 + marvelct MACH_MARVELCT MARVELCT 3427 + ag11005 MACH_AG11005 AG11005 3428 ++omap_tabletblaze MACH_OMAP_BLAZE OMAP_BLAZE 3429 + vangogh MACH_VANGOGH VANGOGH 3430 + matrix505 MACH_MATRIX505 MATRIX505 3431 + oce_nigma MACH_OCE_NIGMA OCE_NIGMA 3432 +@@ -766,6 +3424,7 @@ h1600 MACH_H1600 H1600 3465 + mini210 MACH_MINI210 MINI210 3466 + mini8168 MACH_MINI8168 MINI8168 3467 + pc7308 MACH_PC7308 PC7308 3468 ++ge863_pro3_evk MACH_GE863 GE863 3469 + kmm2m01 MACH_KMM2M01 KMM2M01 3470 + mx51erebus MACH_MX51EREBUS MX51EREBUS 3471 + wm8650refboard MACH_WM8650REFBOARD WM8650REFBOARD 3472 +@@ -802,6 +3461,7 @@ shooter_k MACH_SHOOTER_K SHOOTER_K 35 + nspire MACH_NSPIRE NSPIRE 3503 + mickxx MACH_MICKXX MICKXX 3504 + lxmb MACH_LXMB LXMB 3505 ++tmdxscbp6618x MACH_TMDXSCBP6616X TMDXSCBP6616X 3506 + adam MACH_ADAM ADAM 3507 + b1004 MACH_B1004 B1004 3508 + oboea MACH_OBOEA OBOEA 3509 +@@ -879,6 +3539,7 @@ bct MACH_BCT BCT 3582 + tuscan MACH_TUSCAN TUSCAN 3583 + xbt_sam9g45 MACH_XBT_SAM9G45 XBT_SAM9G45 3584 + enbw_cmc MACH_ENBW_CMC ENBW_CMC 3585 ++msm8x60_dragon MACH_APQ8060_DRAGON APQ8060_DRAGON 3586 + ch104mx257 MACH_CH104MX257 CH104MX257 3587 + openpri MACH_OPENPRI OPENPRI 3588 + am335xevm MACH_AM335XEVM AM335XEVM 3589 +@@ -900,6 +3561,7 @@ cinema MACH_CINEMA CINEMA 3604 + cinema_tea MACH_CINEMA_TEA CINEMA_TEA 3605 + cinema_coffee MACH_CINEMA_COFFEE CINEMA_COFFEE 3606 + cinema_juice MACH_CINEMA_JUICE CINEMA_JUICE 3607 ++linux_pad MACH_THEPAD THEPAD 3608 + mx53_mirage2 MACH_MX53_MIRAGE2 MX53_MIRAGE2 3609 + mx53_efikasb MACH_MX53_EFIKASB MX53_EFIKASB 3610 + stm_b2000 MACH_STM_B2000 STM_B2000 3612 +@@ -965,6 +3627,7 @@ pia_am35x MACH_PIA_AM35X PIA_AM35X 36 + cedar MACH_CEDAR CEDAR 3672 + picasso_e MACH_PICASSO_E PICASSO_E 3673 + samsung_e60 MACH_SAMSUNG_E60 SAMSUNG_E60 3674 ++msm9615_cdp MACH_MDM9615 MDM9615 3675 + sdvr_mini MACH_SDVR_MINI SDVR_MINI 3676 + omap3_ij3k MACH_OMAP3_IJ3K OMAP3_IJ3K 3677 + modasmc1 MACH_MODASMC1 MODASMC1 3678 +@@ -992,6 +3655,8 @@ fmc_uic MACH_FMC_UIC FMC_UIC 3699 + fmc_dcm MACH_FMC_DCM FMC_DCM 3700 + batwm MACH_BATWM BATWM 3701 + atlas6cb MACH_ATLAS6CB ATLAS6CB 3702 ++quattro_f MACH_QUATTROF QUATTROF 3703 ++quattro_u MACH_QUATTROU QUATTROU 3704 + blue MACH_BLUE BLUE 3705 + colorado MACH_COLORADO COLORADO 3706 + popc MACH_POPC POPC 3707 +@@ -999,15 +3664,19 @@ promwad_jade MACH_PROMWAD_JADE PROMWAD_ + amp MACH_AMP AMP 3709 + gnet_amp MACH_GNET_AMP GNET_AMP 3710 + toques MACH_TOQUES TOQUES 3711 ++apx4devkit MACH_APX4DEVKIT APX4DEVKIT 3712 + dct_storm MACH_DCT_STORM DCT_STORM 3713 ++dm8168z3 MACH_Z3 Z3 3714 + owl MACH_OWL OWL 3715 + cogent_csb1741 MACH_COGENT_CSB1741 COGENT_CSB1741 3716 ++omap3_kiko MACH_OMAP3 OMAP3 3717 + adillustra610 MACH_ADILLUSTRA610 ADILLUSTRA610 3718 + ecafe_na04 MACH_ECAFE_NA04 ECAFE_NA04 3719 + popct MACH_POPCT POPCT 3720 + omap3_helena MACH_OMAP3_HELENA OMAP3_HELENA 3721 + ach MACH_ACH ACH 3722 + module_dtb MACH_MODULE_DTB MODULE_DTB 3723 ++ratebox MACH_RACKBOX RACKBOX 3724 + oslo_elisabeth MACH_OSLO_ELISABETH OSLO_ELISABETH 3725 + tt01 MACH_TT01 TT01 3726 + msm8930_cdp MACH_MSM8930_CDP MSM8930_CDP 3727 +@@ -1038,6 +3707,7 @@ ptip_murnau MACH_PTIP_MURNAU PTIP_MURNA + ptip_classic MACH_PTIP_CLASSIC PTIP_CLASSIC 3753 + mx53grb MACH_MX53GRB MX53GRB 3754 + gagarin MACH_GAGARIN GAGARIN 3755 ++msm7627a_qrd1 MACH_MSM7X27A_QRD1 MSM7X27A_QRD1 3756 + nas2big MACH_NAS2BIG NAS2BIG 3757 + superfemto MACH_SUPERFEMTO SUPERFEMTO 3758 + teufel MACH_TEUFEL TEUFEL 3759 +@@ -1087,6 +3757,7 @@ ubisys_g1 MACH_UBISYS_G1 UBISYS_G1 38 + mx53_pf1 MACH_MX53_PF1 MX53_PF1 3803 + asanti MACH_ASANTI ASANTI 3804 + volta MACH_VOLTA VOLTA 3805 ++potenza MACH_S5P6450 S5P6450 3806 + knight MACH_KNIGHT KNIGHT 3807 + beaglebone MACH_BEAGLEBONE BEAGLEBONE 3808 + becker MACH_BECKER BECKER 3809 +@@ -1148,6 +3819,7 @@ primou MACH_PRIMOU PRIMOU 3864 + primoc MACH_PRIMOC PRIMOC 3865 + primoct MACH_PRIMOCT PRIMOCT 3866 + a9500 MACH_A9500 A9500 3867 ++pue_td MACH_PULSE_TD PULSE_TD 3868 + pluto MACH_PLUTO PLUTO 3869 + acfx100 MACH_ACFX100 ACFX100 3870 + msm8625_rumi3 MACH_MSM8625_RUMI3 MSM8625_RUMI3 3871 +@@ -1161,6 +3833,8 @@ valente_wx MACH_VALENTE_WX VALENTE_WX + huangshans MACH_HUANGSHANS HUANGSHANS 3879 + bosphorus1 MACH_BOSPHORUS1 BOSPHORUS1 3880 + prima MACH_PRIMA PRIMA 3881 ++meson3_skt MACH_M3_SKT M3_SKT 3882 ++meson3_ref MACH_M3_REF M3_REF 3883 + evita_ulk MACH_EVITA_ULK EVITA_ULK 3884 + merisc600 MACH_MERISC600 MERISC600 3885 + dolak MACH_DOLAK DOLAK 3886 +@@ -1169,3 +3843,271 @@ elite_ulk MACH_ELITE_ULK ELITE_ULK 38 + pov2 MACH_POV2 POV2 3889 + ipod_touch_2g MACH_IPOD_TOUCH_2G IPOD_TOUCH_2G 3890 + da850_pqab MACH_DA850_PQAB DA850_PQAB 3891 ++fermi MACH_FERMI FERMI 3892 ++ccardwmx28 MACH_CCARDWMX28 CCARDWMX28 3893 ++ccardmx28 MACH_CCARDMX28 CCARDMX28 3894 ++fs20_fcm2050 MACH_FS20_FCM2050 FS20_FCM2050 3895 ++kinetis MACH_KINETIS KINETIS 3896 ++kai MACH_KAI KAI 3897 ++bcthb2 MACH_BCTHB2 BCTHB2 3898 ++inels3_cu MACH_INELS3_CU INELS3_CU 3899 ++da850_juniper MACH_JUNIPER JUNIPER 3900 ++da850_apollo MACH_DA850_APOLLO DA850_APOLLO 3901 ++tracnas MACH_TRACNAS TRACNAS 3902 ++mityarm335x MACH_MITYARM335X MITYARM335X 3903 ++xcgz7x MACH_XCGZ7X XCGZ7X 3904 ++cubox MACH_CUBOX CUBOX 3905 ++terminator MACH_TERMINATOR TERMINATOR 3906 ++eye03 MACH_EYE03 EYE03 3907 ++kota3 MACH_KOTA3 KOTA3 3908 ++mx53_nitrogen_k MACH_MX5 MX5 3909 ++pscpe MACH_PSCPE PSCPE 3910 ++akt1100 MACH_AKT1100 AKT1100 3911 ++pcaaxl2 MACH_PCAAXL2 PCAAXL2 3912 ++primodd_ct MACH_PRIMODD_CT PRIMODD_CT 3913 ++nsbc MACH_NSBC NSBC 3914 ++meson2_skt MACH_MESON2_SKT MESON2_SKT 3915 ++meson2_ref MACH_MESON2_REF MESON2_REF 3916 ++ccardwmx28js MACH_CCARDWMX28JS CCARDWMX28JS 3917 ++ccardmx28js MACH_CCARDMX28JS CCARDMX28JS 3918 ++indico MACH_INDICO INDICO 3919 ++msm8960dt MACH_MSM8960DT MSM8960DT 3920 ++primods MACH_PRIMODS PRIMODS 3921 ++beluga_m1388 MACH_BELUGA_M1388 BELUGA_M1388 3922 ++primotd MACH_PRIMOTD PRIMOTD 3923 ++varan_master MACH_VARAN_MASTER VARAN_MASTER 3924 ++primodd MACH_PRIMODD PRIMODD 3925 ++jetduo MACH_JETDUO JETDUO 3926 ++mx53_umobo MACH_MX53_UMOBO MX53_UMOBO 3927 ++trats MACH_TRATS TRATS 3928 ++starcraft MACH_STARCRAFT STARCRAFT 3929 ++qseven_tegra2 MACH_QSEVEN_TEGRA2 QSEVEN_TEGRA2 3930 ++lichee_sun4i_devbd MACH_LICHEE_SUN4I_DEVBD LICHEE_SUN4I_DEVBD 3931 ++movenow MACH_MOVENOW MOVENOW 3932 ++golf_u MACH_GOLF_U GOLF_U 3933 ++msm7627a_evb MACH_MSM7627A_EVB MSM7627A_EVB 3934 ++rambo MACH_RAMBO RAMBO 3935 ++golfu MACH_GOLFU GOLFU 3936 ++mango310 MACH_MANGO310 MANGO310 3937 ++dns343 MACH_DNS343 DNS343 3938 ++var_som_om44 MACH_VAR_SOM_OM44 VAR_SOM_OM44 3939 ++naon MACH_NAON NAON 3940 ++vp4000 MACH_VP4000 VP4000 3941 ++impcard MACH_IMPCARD IMPCARD 3942 ++smoovcam MACH_SMOOVCAM SMOOVCAM 3943 ++cobham3725 MACH_COBHAM3725 COBHAM3725 3944 ++cobham3730 MACH_COBHAM3730 COBHAM3730 3945 ++cobham3703 MACH_COBHAM3703 COBHAM3703 3946 ++quetzal MACH_QUETZAL QUETZAL 3947 ++apq8064_cdp MACH_APQ8064_CDP APQ8064_CDP 3948 ++apq8064_mtp MACH_APQ8064_MTP APQ8064_MTP 3949 ++apq8064_fluid MACH_APQ8064_FLUID APQ8064_FLUID 3950 ++apq8064_liquid MACH_APQ8064_LIQUID APQ8064_LIQUID 3951 ++mango210 MACH_MANGO210 MANGO210 3952 ++mango100 MACH_MANGO100 MANGO100 3953 ++mango24 MACH_MANGO24 MANGO24 3954 ++mango64 MACH_MANGO64 MANGO64 3955 ++nsa320 MACH_NSA320 NSA320 3956 ++elv_ccu2 MACH_ELV_CCU2 ELV_CCU2 3957 ++triton_x00 MACH_TRITON_X00 TRITON_X00 3958 ++triton_1500_2000 MACH_TRITON_1500_2000 TRITON_1500_2000 3959 ++pogoplugv4 MACH_POGOPLUGV4 POGOPLUGV4 3960 ++venus_cl MACH_VENUS_CL VENUS_CL 3961 ++vulcano_g20 MACH_VULCANO_G20 VULCANO_G20 3962 ++sgs_i9100 MACH_SGS_I9100 SGS_I9100 3963 ++stsv2 MACH_STSV2 STSV2 3964 ++csb1724 MACH_CSB1724 CSB1724 3965 ++omapl138_lcdk MACH_OMAPL138_LCDK OMAPL138_LCDK 3966 ++jel_dd MACH_JEWEL_DD JEWEL_DD 3967 ++pvd_mx25 MACH_PVD_MX25 PVD_MX25 3968 ++meson6_skt MACH_MESON6_SKT MESON6_SKT 3969 ++meson6_ref MACH_MESON6_REF MESON6_REF 3970 ++pxm MACH_PXM PXM 3971 ++stuttgart MACH_S3 S3 3972 ++pogoplugv3 MACH_POGOPLUGV3 POGOPLUGV3 3973 ++mlp89626 MACH_MLP89626 MLP89626 3974 ++iomegahmndce MACH_IOMEGAHMNDCE IOMEGAHMNDCE 3975 ++pogoplugv3pci MACH_POGOPLUGV3PCI POGOPLUGV3PCI 3976 ++bntv250 MACH_BNTV250 BNTV250 3977 ++mx53_qseven MACH_MX53_QSEVEN MX53_QSEVEN 3978 ++gtl_it1100 MACH_GTL_IT1100 GTL_IT1100 3979 ++mx6q_sabresd MACH_MX6Q_SABRESD MX6Q_SABRESD 3980 ++mt4 MACH_MT4 MT4 3981 ++jumbo_d MACH_JUMBO_D JUMBO_D 3982 ++jumbo_i MACH_JUMBO_I JUMBO_I 3983 ++fs20_dmp MACH_FS20_DMP FS20_DMP 3984 ++dns320 MACH_DNS320 DNS320 3985 ++mx28bacos MACH_MX28BACOS MX28BACOS 3986 ++tl80 MACH_TL80 TL80 3987 ++polatis_nic_1001 MACH_POLATIS_NIC_1001 POLATIS_NIC_1001 3988 ++tely MACH_TELY TELY 3989 ++u8520 MACH_U8520 U8520 3990 ++manta MACH_MANTA MANTA 3991 ++spear1340_lcad MACH_SPEAR_EM_S900 SPEAR_EM_S900 3992 ++mpq8064_cdp MACH_MPQ8064_CDP MPQ8064_CDP 3993 ++mpq8064_hrd MACH_MPQ8064_STB MPQ8064_STB 3994 ++mpq8064_dtv MACH_MPQ8064_DTV MPQ8064_DTV 3995 ++dm368som MACH_DM368SOM DM368SOM 3996 ++gprisb2 MACH_GPRISB2 GPRISB2 3997 ++chammid MACH_CHAMMID CHAMMID 3998 ++seoul2 MACH_SEOUL2 SEOUL2 3999 ++omap4_nooktablet MACH_OMAP4_NOOKTABLET OMAP4_NOOKTABLET 4000 ++aalto MACH_AALTO AALTO 4001 ++metro MACH_METRO METRO 4002 ++cydm3730 MACH_CYDM3730 CYDM3730 4003 ++tqma53 MACH_TQMA53 TQMA53 4004 ++msm7627a_qrd3 MACH_MSM7627A_QRD3 MSM7627A_QRD3 4005 ++mx28_canby MACH_MX28_CANBY MX28_CANBY 4006 ++tiger MACH_TIGER TIGER 4007 ++pcats_9307_type_a MACH_PCATS_9307_TYPE_A PCATS_9307_TYPE_A 4008 ++pcats_9307_type_o MACH_PCATS_9307_TYPE_O PCATS_9307_TYPE_O 4009 ++pcats_9307_type_r MACH_PCATS_9307_TYPE_R PCATS_9307_TYPE_R 4010 ++streamplug MACH_STREAMPLUG STREAMPLUG 4011 ++icechicken_dev MACH_ICECHICKEN_DEV ICECHICKEN_DEV 4012 ++hedgehog MACH_HEDGEHOG HEDGEHOG 4013 ++yusend_obc MACH_YUSEND_OBC YUSEND_OBC 4014 ++imxninja MACH_IMXNINJA IMXNINJA 4015 ++omap4_jarod MACH_OMAP4_JAROD OMAP4_JAROD 4016 ++eco5_pk MACH_ECO5_PK ECO5_PK 4017 ++qj2440 MACH_QJ2440 QJ2440 4018 ++mx6q_mercury MACH_MX6Q_MERCURY MX6Q_MERCURY 4019 ++cm6810 MACH_CM6810 CM6810 4020 ++omap4_torpedo MACH_OMAP4_TORPEDO OMAP4_TORPEDO 4021 ++nsa310 MACH_NSA310 NSA310 4022 ++tmx536 MACH_TMX536 TMX536 4023 ++ktt20 MACH_KTT20 KTT20 4024 ++dragonix MACH_DRAGONIX DRAGONIX 4025 ++lungching MACH_LUNGCHING LUNGCHING 4026 ++bulogics MACH_BULOGICS BULOGICS 4027 ++mx535_sx MACH_MX535_SX MX535_SX 4028 ++ngui3250 MACH_NGUI3250 NGUI3250 4029 ++salutec_dac MACH_SALUTEC_DAC SALUTEC_DAC 4030 ++loco MACH_LOCO LOCO 4031 ++ctera_plug_usi MACH_CTERA_PLUG_USI CTERA_PLUG_USI 4032 ++scepter MACH_SCEPTER SCEPTER 4033 ++sga MACH_SGA SGA 4034 ++p_81_j5 MACH_P_81_J5 P_81_J5 4035 ++p_81_o4 MACH_P_81_O4 P_81_O4 4036 ++msm8625_surf MACH_MSM8625_SURF MSM8625_SURF 4037 ++carallon_shark MACH_CARALLON_SHARK CARALLON_SHARK 4038 ++lsgc_icam MACH_LSGCICAM LSGCICAM 4039 ++ordog MACH_ORDOG ORDOG 4040 ++puente_io MACH_PUENTE_IO PUENTE_IO 4041 ++msm8625_evb MACH_MSM8625_EVB MSM8625_EVB 4042 ++ev_am1707 MACH_EV_AM1707 EV_AM1707 4043 ++ev_am1707e2 MACH_EV_AM1707E2 EV_AM1707E2 4044 ++ev_am3517e2 MACH_EV_AM3517E2 EV_AM3517E2 4045 ++calabria MACH_CALABRIA CALABRIA 4046 ++ev_imx287 MACH_EV_IMX287 EV_IMX287 4047 ++erau MACH_ERAU ERAU 4048 ++sichuan MACH_SICHUAN SICHUAN 4049 ++sopdm MACH_WIRMA3 WIRMA3 4050 ++davinci_da850 MACH_DAVINCI_DA850 DAVINCI_DA850 4051 ++omap138_trunarc MACH_OMAP138_TRUNARC OMAP138_TRUNARC 4052 ++bcm4761 MACH_BCM4761 BCM4761 4053 ++picasso_e2 MACH_PICASSO_E2 PICASSO_E2 4054 ++picasso_mf MACH_PICASSO_MF PICASSO_MF 4055 ++miro MACH_MIRO MIRO 4056 ++at91sam9g20ewon3 MACH_AT91SAM9G20EWON3 AT91SAM9G20EWON3 4057 ++yoyo MACH_YOYO YOYO 4058 ++windjkl MACH_WINDJKL WINDJKL 4059 ++monarudo MACH_MONARUDO MONARUDO 4060 ++batan MACH_BATAN BATAN 4061 ++tadao MACH_TADAO TADAO 4062 ++baso MACH_BASO BASO 4063 ++mahon MACH_MAHON MAHON 4064 ++villec2 MACH_VILLEC2 VILLEC2 4065 ++asi1230 MACH_ASI1230 ASI1230 4066 ++alaska MACH_ALASKA ALASKA 4067 ++swarco_shdsl2 MACH_SWARCO_SHDSL2 SWARCO_SHDSL2 4068 ++oxrtu MACH_OXRTU OXRTU 4069 ++omap5_panda MACH_OMAP5_PANDA OMAP5_PANDA 4070 ++imx286 MACH_MX28XDI MX28XDI 4071 ++c8000 MACH_C8000 C8000 4072 ++bje_display3_5 MACH_BJE_DISPLAY3_5 BJE_DISPLAY3_5 4073 ++picomod7 MACH_PICOMOD7 PICOMOD7 4074 ++picocom5 MACH_PICOCOM5 PICOCOM5 4075 ++qblissa8 MACH_QBLISSA8 QBLISSA8 4076 ++armstonea8 MACH_ARMSTONEA8 ARMSTONEA8 4077 ++netdcu14 MACH_NETDCU14 NETDCU14 4078 ++at91sam9x5_epiphan MACH_AT91SAM9X5_EPIPHAN AT91SAM9X5_EPIPHAN 4079 ++p2u MACH_P2U P2U 4080 ++doris MACH_DORIS DORIS 4081 ++j49 MACH_J49 J49 4082 ++vdss2e MACH_VDSS2E VDSS2E 4083 ++vc300 MACH_VC300 VC300 4084 ++ns115_pad_test MACH_NS115_PAD_TEST NS115_PAD_TEST 4085 ++ns115_pad_ref MACH_NS115_PAD_REF NS115_PAD_REF 4086 ++ns115_phone_test MACH_NS115_PHONE_TEST NS115_PHONE_TEST 4087 ++ns115_phone_ref MACH_NS115_PHONE_REF NS115_PHONE_REF 4088 ++golfc MACH_GOLFC GOLFC 4089 ++xerox_olympus MACH_XEROX_OLYMPUS XEROX_OLYMPUS 4090 ++mx6sl_arm2 MACH_MX6SL_ARM2 MX6SL_ARM2 4091 ++csb1701_csb1726 MACH_CSB1701_CSB1726 CSB1701_CSB1726 4092 ++at91sam9xeek MACH_AT91SAM9XEEK AT91SAM9XEEK 4093 ++ebv210 MACH_EBV210 EBV210 4094 ++msm7627a_qrd7 MACH_MSM7627A_QRD7 MSM7627A_QRD7 4095 ++svthin MACH_SVTHIN SVTHIN 4096 ++duovero MACH_DUOVERO DUOVERO 4097 ++chupacabra MACH_CHUPACABRA CHUPACABRA 4098 ++scorpion MACH_SCORPION SCORPION 4099 ++davinci_he_hmi10 MACH_DAVINCI_HE_HMI10 DAVINCI_HE_HMI10 4100 ++topkick MACH_TOPKICK TOPKICK 4101 ++m3_auguestrush MACH_M3_AUGUESTRUSH M3_AUGUESTRUSH 4102 ++ipc335x MACH_IPC335X IPC335X 4103 ++sun4i MACH_SUN4I SUN4I 4104 ++imx233_olinuxino MACH_IMX233_OLINUXINO IMX233_OLINUXINO 4105 ++k2_wl MACH_K2_WL K2_WL 4106 ++k2_ul MACH_K2_UL K2_UL 4107 ++k2_cl MACH_K2_CL K2_CL 4108 ++minbari_w MACH_MINBARI_W MINBARI_W 4109 ++minbari_m MACH_MINBARI_M MINBARI_M 4110 ++k035 MACH_K035 K035 4111 ++ariel MACH_ARIEL ARIEL 4112 ++arielsaarc MACH_ARIELSAARC ARIELSAARC 4113 ++arieldkb MACH_ARIELDKB ARIELDKB 4114 ++armadillo810 MACH_ARMADILLO810 ARMADILLO810 4115 ++tam335x MACH_TAM335X TAM335X 4116 ++grouper MACH_GROUPER GROUPER 4117 ++mpcsa21_9g20 MACH_MPCSA21_9G20 MPCSA21_9G20 4118 ++m6u_cpu MACH_M6U_CPU M6U_CPU 4119 ++davinci_dp10 MACH_DAVINCI_DP10 DAVINCI_DP10 4120 ++ginkgo MACH_GINKGO GINKGO 4121 ++cgt_qmx6 MACH_CGT_QMX6 CGT_QMX6 4122 ++profpga MACH_PROFPGA PROFPGA 4123 ++acfx100oc MACH_ACFX100OC ACFX100OC 4124 ++acfx100nb MACH_ACFX100NB ACFX100NB 4125 ++capricorn MACH_CAPRICORN CAPRICORN 4126 ++pisces MACH_PISCES PISCES 4127 ++aries MACH_ARIES ARIES 4128 ++cancer MACH_CANCER CANCER 4129 ++leo MACH_LEO LEO 4130 ++virgo MACH_VIRGO VIRGO 4131 ++sagittarius MACH_SAGITTARIUS SAGITTARIUS 4132 ++devil MACH_DEVIL DEVIL 4133 ++ballantines MACH_BALLANTINES BALLANTINES 4134 ++omap3_procerusvpu MACH_OMAP3_PROCERUSVPU OMAP3_PROCERUSVPU 4135 ++my27 MACH_MY27 MY27 4136 ++sun6i MACH_SUN6I SUN6I 4137 ++sun5i MACH_SUN5I SUN5I 4138 ++mx512_mx MACH_MX512_MX MX512_MX 4139 ++kzm9g MACH_KZM9G KZM9G 4140 ++vdstbn MACH_VDSTBN VDSTBN 4141 ++cfa10036 MACH_CFA10036 CFA10036 4142 ++cfa10049 MACH_CFA10049 CFA10049 4143 ++pcm051 MACH_PCM051 PCM051 4144 ++vybrid_vf7xx MACH_VYBRID_VF7XX VYBRID_VF7XX 4145 ++vybrid_vf6xx MACH_VYBRID_VF6XX VYBRID_VF6XX 4146 ++vybrid_vf5xx MACH_VYBRID_VF5XX VYBRID_VF5XX 4147 ++vybrid_vf4xx MACH_VYBRID_VF4XX VYBRID_VF4XX 4148 ++aria_g25 MACH_ARIA_G25 ARIA_G25 4149 ++bcm21553 MACH_BCM21553 BCM21553 4150 ++smdk5410 MACH_SMDK5410 SMDK5410 4151 ++lpc18xx MACH_LPC18XX LPC18XX 4152 ++oratisparty MACH_ORATISPARTY ORATISPARTY 4153 ++qseven MACH_QSEVEN QSEVEN 4154 ++gmv_generic MACH_GMV_GENERIC GMV_GENERIC 4155 ++th_link_eth MACH_TH_LINK_ETH TH_LINK_ETH 4156 ++tn_muninn MACH_TN_MUNINN TN_MUNINN 4157 ++rampage MACH_RAMPAGE RAMPAGE 4158 ++visstrim_mv10 MACH_VISSTRIM_MV10 VISSTRIM_MV10 4159 diff --git a/target/linux/generic/patches-3.6/992-mpcore_wdt_fix_watchdog_counter_loading.patch b/target/linux/generic/patches-3.6/992-mpcore_wdt_fix_watchdog_counter_loading.patch new file mode 100644 index 0000000000..fb16e2aa62 --- /dev/null +++ b/target/linux/generic/patches-3.6/992-mpcore_wdt_fix_watchdog_counter_loading.patch @@ -0,0 +1,64 @@ +Although the commit "98af057092f8f0dabe63c5df08adc2bbfbddb1d2 + ARM: 6126/1: ARM mpcore_wdt: fix build failure and other fixes" +resolved long standing mpcore_wdt driver build problems, it +introduced an error in the relationship between the MPcore watchdog +timer clock rate and mpcore_margin, "MPcore timer margin in seconds", +such that watchdog timeouts are now arbitrary rather than the number +of seconds specified by mpcore_margin. + +This change restores mpcore_wdt_keepalive() to its equivalent +implementation prior to commit 98af057 such that watchdog timeouts now +occur as specified by mpcore_margin. + +The variable 'mpcore_timer_rate' which caused that build failure was +replaced by 'twd_timer_rate'. Adding exported function to obtain +'twd_timer_rate' value in mpcore_wdt driver. + +MPCORE_WATCHDOG needed to build 'mpcore_wdt' already depends on +HAVE_ARM_TWD needed to build 'smp_twd', so from the point of view of +'mpcore_wdt' driver the exported function will always exist. + +Signed-off-by: Valentine Barshak <vbarshak@mvista.com> +Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com> +--- + + arch/arm/include/asm/smp_twd.h | 1 + + arch/arm/kernel/smp_twd.c | 7 +++++++ + drivers/watchdog/mpcore_wdt.c | 4 +--- + 3 files changed, 9 insertions(+), 3 deletions(-) + +--- a/arch/arm/include/asm/smp_twd.h ++++ b/arch/arm/include/asm/smp_twd.h +@@ -24,5 +24,6 @@ extern void __iomem *twd_base; + + void twd_timer_setup(struct clock_event_device *); + void twd_timer_stop(struct clock_event_device *); ++unsigned long twd_timer_get_rate(void); + + #endif +--- a/arch/arm/kernel/smp_twd.c ++++ b/arch/arm/kernel/smp_twd.c +@@ -268,3 +268,10 @@ void __cpuinit twd_timer_setup(struct cl + 0xf, 0xffffffff); + enable_percpu_irq(clk->irq, 0); + } ++ ++/* Needed by mpcore_wdt */ ++unsigned long twd_timer_get_rate(void) ++{ ++ return twd_timer_rate; ++} ++EXPORT_SYMBOL_GPL(twd_timer_get_rate); +--- a/drivers/watchdog/mpcore_wdt.c ++++ b/drivers/watchdog/mpcore_wdt.c +@@ -99,9 +99,7 @@ static void mpcore_wdt_keepalive(struct + + spin_lock(&wdt_lock); + /* Assume prescale is set to 256 */ +- count = __raw_readl(wdt->base + TWD_WDOG_COUNTER); +- count = (0xFFFFFFFFU - count) * (HZ / 5); +- count = (count / 256) * mpcore_margin; ++ count = (twd_timer_get_rate() / 256) * mpcore_margin; + + /* Reload the counter */ + writel(count + wdt->perturb, wdt->base + TWD_WDOG_LOAD); diff --git a/target/linux/generic/patches-3.6/993-mpcore_wdt_fix_wdioc_setoptions_handling.patch b/target/linux/generic/patches-3.6/993-mpcore_wdt_fix_wdioc_setoptions_handling.patch new file mode 100644 index 0000000000..fa261ce648 --- /dev/null +++ b/target/linux/generic/patches-3.6/993-mpcore_wdt_fix_wdioc_setoptions_handling.patch @@ -0,0 +1,29 @@ +According to the include/linux/watchdog.h WDIOC_SETOPTIONS is +classified as 'read from device' ioctl call: + #define WDIOC_SETOPTIONS _IOR(WATCHDOG_IOCTL_BASE, 4, int) + +However, the driver 'mpcore_wdt' performs 'copy_from_user' only if +_IOC_WRITE is set, thus the local variable 'uarg' which is used in +WDIOC_SETOPTIONS handling remains uninitialized. + +The proper way to fix this is to bind WDIOC_SETOPTIONS to _IOW, +but this will break compatibility. +So adding additional condition for performing 'copy_from_user'. + +Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com> +--- + drivers/watchdog/mpcore_wdt.c | 3 ++- + 1 files changed, 2 insertions(+), 1 deletions(-) + +--- a/drivers/watchdog/mpcore_wdt.c ++++ b/drivers/watchdog/mpcore_wdt.c +@@ -233,7 +233,8 @@ static long mpcore_wdt_ioctl(struct file + if (_IOC_DIR(cmd) && _IOC_SIZE(cmd) > sizeof(uarg)) + return -ENOTTY; + +- if (_IOC_DIR(cmd) & _IOC_WRITE) { ++ if ((_IOC_DIR(cmd) & _IOC_WRITE) ++ || cmd == WDIOC_SETOPTIONS) { + ret = copy_from_user(&uarg, (void __user *)arg, _IOC_SIZE(cmd)); + if (ret) + return -EFAULT; diff --git a/target/linux/generic/patches-3.6/994-mpcore_wdt_fix_timer_mode_setup.patch b/target/linux/generic/patches-3.6/994-mpcore_wdt_fix_timer_mode_setup.patch new file mode 100644 index 0000000000..009092376f --- /dev/null +++ b/target/linux/generic/patches-3.6/994-mpcore_wdt_fix_timer_mode_setup.patch @@ -0,0 +1,57 @@ +Allow watchdog to set its iterrupt as pending when it is configured +for timer mode (in other words, allow emitting interrupt). +Also add macros for all Watchdog Control Register flags. + +Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com> +--- + arch/arm/include/asm/smp_twd.h | 6 ++++++ + drivers/watchdog/mpcore_wdt.c | 15 +++++++++++---- + 2 files changed, 17 insertions(+), 4 deletions(-) + +--- a/arch/arm/include/asm/smp_twd.h ++++ b/arch/arm/include/asm/smp_twd.h +@@ -18,6 +18,12 @@ + #define TWD_TIMER_CONTROL_PERIODIC (1 << 1) + #define TWD_TIMER_CONTROL_IT_ENABLE (1 << 2) + ++#define TWD_WDOG_CONTROL_ENABLE (1 << 0) ++#define TWD_WDOG_CONTROL_PERIODIC (1 << 1) ++#define TWD_WDOG_CONTROL_IT_ENABLE (1 << 2) ++#define TWD_WDOG_CONTROL_TIMER_MODE (0 << 3) ++#define TWD_WDOG_CONTROL_WATCHDOG_MODE (1 << 3) ++ + struct clock_event_device; + + extern void __iomem *twd_base; +--- a/drivers/watchdog/mpcore_wdt.c ++++ b/drivers/watchdog/mpcore_wdt.c +@@ -118,18 +118,25 @@ static void mpcore_wdt_stop(struct mpcor + + static void mpcore_wdt_start(struct mpcore_wdt *wdt) + { ++ u32 mode; ++ + dev_printk(KERN_INFO, wdt->dev, "enabling watchdog.\n"); + + /* This loads the count register but does NOT start the count yet */ + mpcore_wdt_keepalive(wdt); + ++ /* Setup watchdog - prescale=256, enable=1 */ ++ mode = (255 << 8) | TWD_WDOG_CONTROL_ENABLE; ++ + if (mpcore_noboot) { +- /* Enable watchdog - prescale=256, watchdog mode=0, enable=1 */ +- writel(0x0000FF01, wdt->base + TWD_WDOG_CONTROL); ++ /* timer mode, send interrupt */ ++ mode |= TWD_WDOG_CONTROL_TIMER_MODE | ++ TWD_WDOG_CONTROL_IT_ENABLE; + } else { +- /* Enable watchdog - prescale=256, watchdog mode=1, enable=1 */ +- writel(0x0000FF09, wdt->base + TWD_WDOG_CONTROL); ++ /* watchdog mode */ ++ mode |= TWD_WDOG_CONTROL_WATCHDOG_MODE; + } ++ writel(mode, wdt->base + TWD_WDOG_CONTROL); + } + + static int mpcore_wdt_set_heartbeat(int t) |