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-rw-r--r--include/linux/nfs_xdr.h1233
1 files changed, 1233 insertions, 0 deletions
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
new file mode 100644
index 00000000..0012fc3d
--- /dev/null
+++ b/include/linux/nfs_xdr.h
@@ -0,0 +1,1233 @@
+#ifndef _LINUX_NFS_XDR_H
+#define _LINUX_NFS_XDR_H
+
+#include <linux/nfsacl.h>
+#include <linux/nfs3.h>
+#include <linux/sunrpc/gss_api.h>
+
+/*
+ * To change the maximum rsize and wsize supported by the NFS client, adjust
+ * NFS_MAX_FILE_IO_SIZE. 64KB is a typical maximum, but some servers can
+ * support a megabyte or more. The default is left at 4096 bytes, which is
+ * reasonable for NFS over UDP.
+ */
+#define NFS_MAX_FILE_IO_SIZE (1048576U)
+#define NFS_DEF_FILE_IO_SIZE (4096U)
+#define NFS_MIN_FILE_IO_SIZE (1024U)
+
+/* Forward declaration for NFS v3 */
+struct nfs4_secinfo_flavors;
+
+struct nfs_fsid {
+ uint64_t major;
+ uint64_t minor;
+};
+
+/*
+ * Helper for checking equality between 2 fsids.
+ */
+static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b)
+{
+ return a->major == b->major && a->minor == b->minor;
+}
+
+struct nfs_fattr {
+ unsigned int valid; /* which fields are valid */
+ umode_t mode;
+ __u32 nlink;
+ __u32 uid;
+ __u32 gid;
+ dev_t rdev;
+ __u64 size;
+ union {
+ struct {
+ __u32 blocksize;
+ __u32 blocks;
+ } nfs2;
+ struct {
+ __u64 used;
+ } nfs3;
+ } du;
+ struct nfs_fsid fsid;
+ __u64 fileid;
+ __u64 mounted_on_fileid;
+ struct timespec atime;
+ struct timespec mtime;
+ struct timespec ctime;
+ __u64 change_attr; /* NFSv4 change attribute */
+ __u64 pre_change_attr;/* pre-op NFSv4 change attribute */
+ __u64 pre_size; /* pre_op_attr.size */
+ struct timespec pre_mtime; /* pre_op_attr.mtime */
+ struct timespec pre_ctime; /* pre_op_attr.ctime */
+ unsigned long time_start;
+ unsigned long gencount;
+};
+
+#define NFS_ATTR_FATTR_TYPE (1U << 0)
+#define NFS_ATTR_FATTR_MODE (1U << 1)
+#define NFS_ATTR_FATTR_NLINK (1U << 2)
+#define NFS_ATTR_FATTR_OWNER (1U << 3)
+#define NFS_ATTR_FATTR_GROUP (1U << 4)
+#define NFS_ATTR_FATTR_RDEV (1U << 5)
+#define NFS_ATTR_FATTR_SIZE (1U << 6)
+#define NFS_ATTR_FATTR_PRESIZE (1U << 7)
+#define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8)
+#define NFS_ATTR_FATTR_SPACE_USED (1U << 9)
+#define NFS_ATTR_FATTR_FSID (1U << 10)
+#define NFS_ATTR_FATTR_FILEID (1U << 11)
+#define NFS_ATTR_FATTR_ATIME (1U << 12)
+#define NFS_ATTR_FATTR_MTIME (1U << 13)
+#define NFS_ATTR_FATTR_CTIME (1U << 14)
+#define NFS_ATTR_FATTR_PREMTIME (1U << 15)
+#define NFS_ATTR_FATTR_PRECTIME (1U << 16)
+#define NFS_ATTR_FATTR_CHANGE (1U << 17)
+#define NFS_ATTR_FATTR_PRECHANGE (1U << 18)
+#define NFS_ATTR_FATTR_V4_REFERRAL (1U << 19) /* NFSv4 referral */
+#define NFS_ATTR_FATTR_MOUNTPOINT (1U << 20) /* Treat as mountpoint */
+#define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 21)
+
+#define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
+ | NFS_ATTR_FATTR_MODE \
+ | NFS_ATTR_FATTR_NLINK \
+ | NFS_ATTR_FATTR_OWNER \
+ | NFS_ATTR_FATTR_GROUP \
+ | NFS_ATTR_FATTR_RDEV \
+ | NFS_ATTR_FATTR_SIZE \
+ | NFS_ATTR_FATTR_FSID \
+ | NFS_ATTR_FATTR_FILEID \
+ | NFS_ATTR_FATTR_ATIME \
+ | NFS_ATTR_FATTR_MTIME \
+ | NFS_ATTR_FATTR_CTIME)
+#define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \
+ | NFS_ATTR_FATTR_BLOCKS_USED)
+#define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \
+ | NFS_ATTR_FATTR_SPACE_USED)
+#define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \
+ | NFS_ATTR_FATTR_SPACE_USED \
+ | NFS_ATTR_FATTR_CHANGE)
+
+/*
+ * Info on the file system
+ */
+struct nfs_fsinfo {
+ struct nfs_fattr *fattr; /* Post-op attributes */
+ __u32 rtmax; /* max. read transfer size */
+ __u32 rtpref; /* pref. read transfer size */
+ __u32 rtmult; /* reads should be multiple of this */
+ __u32 wtmax; /* max. write transfer size */
+ __u32 wtpref; /* pref. write transfer size */
+ __u32 wtmult; /* writes should be multiple of this */
+ __u32 dtpref; /* pref. readdir transfer size */
+ __u64 maxfilesize;
+ struct timespec time_delta; /* server time granularity */
+ __u32 lease_time; /* in seconds */
+ __u32 layouttype; /* supported pnfs layout driver */
+};
+
+struct nfs_fsstat {
+ struct nfs_fattr *fattr; /* Post-op attributes */
+ __u64 tbytes; /* total size in bytes */
+ __u64 fbytes; /* # of free bytes */
+ __u64 abytes; /* # of bytes available to user */
+ __u64 tfiles; /* # of files */
+ __u64 ffiles; /* # of free files */
+ __u64 afiles; /* # of files available to user */
+};
+
+struct nfs2_fsstat {
+ __u32 tsize; /* Server transfer size */
+ __u32 bsize; /* Filesystem block size */
+ __u32 blocks; /* No. of "bsize" blocks on filesystem */
+ __u32 bfree; /* No. of free "bsize" blocks */
+ __u32 bavail; /* No. of available "bsize" blocks */
+};
+
+struct nfs_pathconf {
+ struct nfs_fattr *fattr; /* Post-op attributes */
+ __u32 max_link; /* max # of hard links */
+ __u32 max_namelen; /* max name length */
+};
+
+struct nfs4_change_info {
+ u32 atomic;
+ u64 before;
+ u64 after;
+};
+
+struct nfs_seqid;
+
+/* nfs41 sessions channel attributes */
+struct nfs4_channel_attrs {
+ u32 max_rqst_sz;
+ u32 max_resp_sz;
+ u32 max_resp_sz_cached;
+ u32 max_ops;
+ u32 max_reqs;
+};
+
+/* nfs41 sessions slot seqid */
+struct nfs4_slot {
+ u32 seq_nr;
+};
+
+struct nfs4_sequence_args {
+ struct nfs4_session *sa_session;
+ u8 sa_slotid;
+ u8 sa_cache_this;
+};
+
+struct nfs4_sequence_res {
+ struct nfs4_session *sr_session;
+ struct nfs4_slot *sr_slot; /* slot used to send request */
+ int sr_status; /* sequence operation status */
+ unsigned long sr_renewal_time;
+ u32 sr_status_flags;
+};
+
+struct nfs4_get_lease_time_args {
+ struct nfs4_sequence_args la_seq_args;
+};
+
+struct nfs4_get_lease_time_res {
+ struct nfs_fsinfo *lr_fsinfo;
+ struct nfs4_sequence_res lr_seq_res;
+};
+
+#define PNFS_LAYOUT_MAXSIZE 4096
+
+struct nfs4_layoutdriver_data {
+ struct page **pages;
+ __u32 pglen;
+ __u32 len;
+};
+
+struct pnfs_layout_range {
+ u32 iomode;
+ u64 offset;
+ u64 length;
+};
+
+struct nfs4_layoutget_args {
+ __u32 type;
+ struct pnfs_layout_range range;
+ __u64 minlength;
+ __u32 maxcount;
+ struct inode *inode;
+ struct nfs_open_context *ctx;
+ struct nfs4_sequence_args seq_args;
+ nfs4_stateid stateid;
+ struct nfs4_layoutdriver_data layout;
+};
+
+struct nfs4_layoutget_res {
+ __u32 return_on_close;
+ struct pnfs_layout_range range;
+ __u32 type;
+ nfs4_stateid stateid;
+ struct nfs4_sequence_res seq_res;
+ struct nfs4_layoutdriver_data *layoutp;
+};
+
+struct nfs4_layoutget {
+ struct nfs4_layoutget_args args;
+ struct nfs4_layoutget_res res;
+ struct pnfs_layout_segment **lsegpp;
+ gfp_t gfp_flags;
+};
+
+struct nfs4_getdeviceinfo_args {
+ struct pnfs_device *pdev;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_getdeviceinfo_res {
+ struct pnfs_device *pdev;
+ struct nfs4_sequence_res seq_res;
+};
+
+struct nfs4_layoutcommit_args {
+ nfs4_stateid stateid;
+ __u64 lastbytewritten;
+ struct inode *inode;
+ const u32 *bitmask;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_layoutcommit_res {
+ struct nfs_fattr *fattr;
+ const struct nfs_server *server;
+ struct nfs4_sequence_res seq_res;
+};
+
+struct nfs4_layoutcommit_data {
+ struct rpc_task task;
+ struct nfs_fattr fattr;
+ struct list_head lseg_list;
+ struct rpc_cred *cred;
+ struct nfs4_layoutcommit_args args;
+ struct nfs4_layoutcommit_res res;
+};
+
+struct nfs4_layoutreturn_args {
+ __u32 layout_type;
+ struct inode *inode;
+ nfs4_stateid stateid;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_layoutreturn_res {
+ struct nfs4_sequence_res seq_res;
+ u32 lrs_present;
+ nfs4_stateid stateid;
+};
+
+struct nfs4_layoutreturn {
+ struct nfs4_layoutreturn_args args;
+ struct nfs4_layoutreturn_res res;
+ struct rpc_cred *cred;
+ struct nfs_client *clp;
+ int rpc_status;
+};
+
+/*
+ * Arguments to the open call.
+ */
+struct nfs_openargs {
+ const struct nfs_fh * fh;
+ struct nfs_seqid * seqid;
+ int open_flags;
+ fmode_t fmode;
+ __u64 clientid;
+ __u64 id;
+ union {
+ struct {
+ struct iattr * attrs; /* UNCHECKED, GUARDED */
+ nfs4_verifier verifier; /* EXCLUSIVE */
+ };
+ nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */
+ fmode_t delegation_type; /* CLAIM_PREVIOUS */
+ } u;
+ const struct qstr * name;
+ const struct nfs_server *server; /* Needed for ID mapping */
+ const u32 * bitmask;
+ __u32 claim;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs_openres {
+ nfs4_stateid stateid;
+ struct nfs_fh fh;
+ struct nfs4_change_info cinfo;
+ __u32 rflags;
+ struct nfs_fattr * f_attr;
+ struct nfs_fattr * dir_attr;
+ struct nfs_seqid * seqid;
+ const struct nfs_server *server;
+ fmode_t delegation_type;
+ nfs4_stateid delegation;
+ __u32 do_recall;
+ __u64 maxsize;
+ __u32 attrset[NFS4_BITMAP_SIZE];
+ struct nfs4_sequence_res seq_res;
+};
+
+/*
+ * Arguments to the open_confirm call.
+ */
+struct nfs_open_confirmargs {
+ const struct nfs_fh * fh;
+ nfs4_stateid * stateid;
+ struct nfs_seqid * seqid;
+};
+
+struct nfs_open_confirmres {
+ nfs4_stateid stateid;
+ struct nfs_seqid * seqid;
+};
+
+/*
+ * Arguments to the close call.
+ */
+struct nfs_closeargs {
+ struct nfs_fh * fh;
+ nfs4_stateid * stateid;
+ struct nfs_seqid * seqid;
+ fmode_t fmode;
+ const u32 * bitmask;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs_closeres {
+ nfs4_stateid stateid;
+ struct nfs_fattr * fattr;
+ struct nfs_seqid * seqid;
+ const struct nfs_server *server;
+ struct nfs4_sequence_res seq_res;
+};
+/*
+ * * Arguments to the lock,lockt, and locku call.
+ * */
+struct nfs_lowner {
+ __u64 clientid;
+ __u64 id;
+ dev_t s_dev;
+};
+
+struct nfs_lock_args {
+ struct nfs_fh * fh;
+ struct file_lock * fl;
+ struct nfs_seqid * lock_seqid;
+ nfs4_stateid * lock_stateid;
+ struct nfs_seqid * open_seqid;
+ nfs4_stateid * open_stateid;
+ struct nfs_lowner lock_owner;
+ unsigned char block : 1;
+ unsigned char reclaim : 1;
+ unsigned char new_lock_owner : 1;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs_lock_res {
+ nfs4_stateid stateid;
+ struct nfs_seqid * lock_seqid;
+ struct nfs_seqid * open_seqid;
+ struct nfs4_sequence_res seq_res;
+};
+
+struct nfs_locku_args {
+ struct nfs_fh * fh;
+ struct file_lock * fl;
+ struct nfs_seqid * seqid;
+ nfs4_stateid * stateid;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs_locku_res {
+ nfs4_stateid stateid;
+ struct nfs_seqid * seqid;
+ struct nfs4_sequence_res seq_res;
+};
+
+struct nfs_lockt_args {
+ struct nfs_fh * fh;
+ struct file_lock * fl;
+ struct nfs_lowner lock_owner;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs_lockt_res {
+ struct file_lock * denied; /* LOCK, LOCKT failed */
+ struct nfs4_sequence_res seq_res;
+};
+
+struct nfs_release_lockowner_args {
+ struct nfs_lowner lock_owner;
+};
+
+struct nfs4_delegreturnargs {
+ const struct nfs_fh *fhandle;
+ const nfs4_stateid *stateid;
+ const u32 * bitmask;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_delegreturnres {
+ struct nfs_fattr * fattr;
+ const struct nfs_server *server;
+ struct nfs4_sequence_res seq_res;
+};
+
+/*
+ * Arguments to the read call.
+ */
+struct nfs_readargs {
+ struct nfs_fh * fh;
+ struct nfs_open_context *context;
+ struct nfs_lock_context *lock_context;
+ __u64 offset;
+ __u32 count;
+ unsigned int pgbase;
+ struct page ** pages;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs_readres {
+ struct nfs_fattr * fattr;
+ __u32 count;
+ int eof;
+ struct nfs4_sequence_res seq_res;
+};
+
+/*
+ * Arguments to the write call.
+ */
+struct nfs_writeargs {
+ struct nfs_fh * fh;
+ struct nfs_open_context *context;
+ struct nfs_lock_context *lock_context;
+ __u64 offset;
+ __u32 count;
+ enum nfs3_stable_how stable;
+ unsigned int pgbase;
+ struct page ** pages;
+ const u32 * bitmask;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs_writeverf {
+ enum nfs3_stable_how committed;
+ __be32 verifier[2];
+};
+
+struct nfs_writeres {
+ struct nfs_fattr * fattr;
+ struct nfs_writeverf * verf;
+ __u32 count;
+ const struct nfs_server *server;
+ struct nfs4_sequence_res seq_res;
+};
+
+/*
+ * Common arguments to the unlink call
+ */
+struct nfs_removeargs {
+ const struct nfs_fh *fh;
+ struct qstr name;
+ const u32 * bitmask;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs_removeres {
+ const struct nfs_server *server;
+ struct nfs_fattr *dir_attr;
+ struct nfs4_change_info cinfo;
+ struct nfs4_sequence_res seq_res;
+};
+
+/*
+ * Common arguments to the rename call
+ */
+struct nfs_renameargs {
+ const struct nfs_fh *old_dir;
+ const struct nfs_fh *new_dir;
+ const struct qstr *old_name;
+ const struct qstr *new_name;
+ const u32 *bitmask;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs_renameres {
+ const struct nfs_server *server;
+ struct nfs4_change_info old_cinfo;
+ struct nfs_fattr *old_fattr;
+ struct nfs4_change_info new_cinfo;
+ struct nfs_fattr *new_fattr;
+ struct nfs4_sequence_res seq_res;
+};
+
+/*
+ * Argument struct for decode_entry function
+ */
+struct nfs_entry {
+ __u64 ino;
+ __u64 cookie,
+ prev_cookie;
+ const char * name;
+ unsigned int len;
+ int eof;
+ struct nfs_fh * fh;
+ struct nfs_fattr * fattr;
+ unsigned char d_type;
+ struct nfs_server * server;
+};
+
+/*
+ * The following types are for NFSv2 only.
+ */
+struct nfs_sattrargs {
+ struct nfs_fh * fh;
+ struct iattr * sattr;
+};
+
+struct nfs_diropargs {
+ struct nfs_fh * fh;
+ const char * name;
+ unsigned int len;
+};
+
+struct nfs_createargs {
+ struct nfs_fh * fh;
+ const char * name;
+ unsigned int len;
+ struct iattr * sattr;
+};
+
+struct nfs_setattrargs {
+ struct nfs_fh * fh;
+ nfs4_stateid stateid;
+ struct iattr * iap;
+ const struct nfs_server * server; /* Needed for name mapping */
+ const u32 * bitmask;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs_setaclargs {
+ struct nfs_fh * fh;
+ size_t acl_len;
+ unsigned int acl_pgbase;
+ struct page ** acl_pages;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs_setaclres {
+ struct nfs4_sequence_res seq_res;
+};
+
+struct nfs_getaclargs {
+ struct nfs_fh * fh;
+ size_t acl_len;
+ unsigned int acl_pgbase;
+ struct page ** acl_pages;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs_getaclres {
+ size_t acl_len;
+ struct nfs4_sequence_res seq_res;
+};
+
+struct nfs_setattrres {
+ struct nfs_fattr * fattr;
+ const struct nfs_server * server;
+ struct nfs4_sequence_res seq_res;
+};
+
+struct nfs_linkargs {
+ struct nfs_fh * fromfh;
+ struct nfs_fh * tofh;
+ const char * toname;
+ unsigned int tolen;
+};
+
+struct nfs_symlinkargs {
+ struct nfs_fh * fromfh;
+ const char * fromname;
+ unsigned int fromlen;
+ struct page ** pages;
+ unsigned int pathlen;
+ struct iattr * sattr;
+};
+
+struct nfs_readdirargs {
+ struct nfs_fh * fh;
+ __u32 cookie;
+ unsigned int count;
+ struct page ** pages;
+};
+
+struct nfs3_getaclargs {
+ struct nfs_fh * fh;
+ int mask;
+ struct page ** pages;
+};
+
+struct nfs3_setaclargs {
+ struct inode * inode;
+ int mask;
+ struct posix_acl * acl_access;
+ struct posix_acl * acl_default;
+ size_t len;
+ unsigned int npages;
+ struct page ** pages;
+};
+
+struct nfs_diropok {
+ struct nfs_fh * fh;
+ struct nfs_fattr * fattr;
+};
+
+struct nfs_readlinkargs {
+ struct nfs_fh * fh;
+ unsigned int pgbase;
+ unsigned int pglen;
+ struct page ** pages;
+};
+
+struct nfs3_sattrargs {
+ struct nfs_fh * fh;
+ struct iattr * sattr;
+ unsigned int guard;
+ struct timespec guardtime;
+};
+
+struct nfs3_diropargs {
+ struct nfs_fh * fh;
+ const char * name;
+ unsigned int len;
+};
+
+struct nfs3_accessargs {
+ struct nfs_fh * fh;
+ __u32 access;
+};
+
+struct nfs3_createargs {
+ struct nfs_fh * fh;
+ const char * name;
+ unsigned int len;
+ struct iattr * sattr;
+ enum nfs3_createmode createmode;
+ __be32 verifier[2];
+};
+
+struct nfs3_mkdirargs {
+ struct nfs_fh * fh;
+ const char * name;
+ unsigned int len;
+ struct iattr * sattr;
+};
+
+struct nfs3_symlinkargs {
+ struct nfs_fh * fromfh;
+ const char * fromname;
+ unsigned int fromlen;
+ struct page ** pages;
+ unsigned int pathlen;
+ struct iattr * sattr;
+};
+
+struct nfs3_mknodargs {
+ struct nfs_fh * fh;
+ const char * name;
+ unsigned int len;
+ enum nfs3_ftype type;
+ struct iattr * sattr;
+ dev_t rdev;
+};
+
+struct nfs3_linkargs {
+ struct nfs_fh * fromfh;
+ struct nfs_fh * tofh;
+ const char * toname;
+ unsigned int tolen;
+};
+
+struct nfs3_readdirargs {
+ struct nfs_fh * fh;
+ __u64 cookie;
+ __be32 verf[2];
+ int plus;
+ unsigned int count;
+ struct page ** pages;
+};
+
+struct nfs3_diropres {
+ struct nfs_fattr * dir_attr;
+ struct nfs_fh * fh;
+ struct nfs_fattr * fattr;
+};
+
+struct nfs3_accessres {
+ struct nfs_fattr * fattr;
+ __u32 access;
+};
+
+struct nfs3_readlinkargs {
+ struct nfs_fh * fh;
+ unsigned int pgbase;
+ unsigned int pglen;
+ struct page ** pages;
+};
+
+struct nfs3_linkres {
+ struct nfs_fattr * dir_attr;
+ struct nfs_fattr * fattr;
+};
+
+struct nfs3_readdirres {
+ struct nfs_fattr * dir_attr;
+ __be32 * verf;
+ int plus;
+};
+
+struct nfs3_getaclres {
+ struct nfs_fattr * fattr;
+ int mask;
+ unsigned int acl_access_count;
+ unsigned int acl_default_count;
+ struct posix_acl * acl_access;
+ struct posix_acl * acl_default;
+};
+
+#ifdef CONFIG_NFS_V4
+
+typedef u64 clientid4;
+
+struct nfs4_accessargs {
+ const struct nfs_fh * fh;
+ const u32 * bitmask;
+ u32 access;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_accessres {
+ const struct nfs_server * server;
+ struct nfs_fattr * fattr;
+ u32 supported;
+ u32 access;
+ struct nfs4_sequence_res seq_res;
+};
+
+struct nfs4_create_arg {
+ u32 ftype;
+ union {
+ struct {
+ struct page ** pages;
+ unsigned int len;
+ } symlink; /* NF4LNK */
+ struct {
+ u32 specdata1;
+ u32 specdata2;
+ } device; /* NF4BLK, NF4CHR */
+ } u;
+ const struct qstr * name;
+ const struct nfs_server * server;
+ const struct iattr * attrs;
+ const struct nfs_fh * dir_fh;
+ const u32 * bitmask;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_create_res {
+ const struct nfs_server * server;
+ struct nfs_fh * fh;
+ struct nfs_fattr * fattr;
+ struct nfs4_change_info dir_cinfo;
+ struct nfs_fattr * dir_fattr;
+ struct nfs4_sequence_res seq_res;
+};
+
+struct nfs4_fsinfo_arg {
+ const struct nfs_fh * fh;
+ const u32 * bitmask;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_fsinfo_res {
+ struct nfs_fsinfo *fsinfo;
+ struct nfs4_sequence_res seq_res;
+};
+
+struct nfs4_getattr_arg {
+ const struct nfs_fh * fh;
+ const u32 * bitmask;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_getattr_res {
+ const struct nfs_server * server;
+ struct nfs_fattr * fattr;
+ struct nfs4_sequence_res seq_res;
+};
+
+struct nfs4_link_arg {
+ const struct nfs_fh * fh;
+ const struct nfs_fh * dir_fh;
+ const struct qstr * name;
+ const u32 * bitmask;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_link_res {
+ const struct nfs_server * server;
+ struct nfs_fattr * fattr;
+ struct nfs4_change_info cinfo;
+ struct nfs_fattr * dir_attr;
+ struct nfs4_sequence_res seq_res;
+};
+
+
+struct nfs4_lookup_arg {
+ const struct nfs_fh * dir_fh;
+ const struct qstr * name;
+ const u32 * bitmask;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_lookup_res {
+ const struct nfs_server * server;
+ struct nfs_fattr * fattr;
+ struct nfs_fh * fh;
+ struct nfs4_sequence_res seq_res;
+};
+
+struct nfs4_lookup_root_arg {
+ const u32 * bitmask;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_pathconf_arg {
+ const struct nfs_fh * fh;
+ const u32 * bitmask;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_pathconf_res {
+ struct nfs_pathconf *pathconf;
+ struct nfs4_sequence_res seq_res;
+};
+
+struct nfs4_readdir_arg {
+ const struct nfs_fh * fh;
+ u64 cookie;
+ nfs4_verifier verifier;
+ u32 count;
+ struct page ** pages; /* zero-copy data */
+ unsigned int pgbase; /* zero-copy data */
+ const u32 * bitmask;
+ int plus;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_readdir_res {
+ nfs4_verifier verifier;
+ unsigned int pgbase;
+ struct nfs4_sequence_res seq_res;
+};
+
+struct nfs4_readlink {
+ const struct nfs_fh * fh;
+ unsigned int pgbase;
+ unsigned int pglen; /* zero-copy data */
+ struct page ** pages; /* zero-copy data */
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_readlink_res {
+ struct nfs4_sequence_res seq_res;
+};
+
+#define NFS4_SETCLIENTID_NAMELEN (127)
+struct nfs4_setclientid {
+ const nfs4_verifier * sc_verifier;
+ unsigned int sc_name_len;
+ char sc_name[NFS4_SETCLIENTID_NAMELEN + 1];
+ u32 sc_prog;
+ unsigned int sc_netid_len;
+ char sc_netid[RPCBIND_MAXNETIDLEN + 1];
+ unsigned int sc_uaddr_len;
+ char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
+ u32 sc_cb_ident;
+};
+
+struct nfs4_setclientid_res {
+ u64 clientid;
+ nfs4_verifier confirm;
+};
+
+struct nfs4_statfs_arg {
+ const struct nfs_fh * fh;
+ const u32 * bitmask;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_statfs_res {
+ struct nfs_fsstat *fsstat;
+ struct nfs4_sequence_res seq_res;
+};
+
+struct nfs4_server_caps_arg {
+ struct nfs_fh *fhandle;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_server_caps_res {
+ u32 attr_bitmask[2];
+ u32 acl_bitmask;
+ u32 has_links;
+ u32 has_symlinks;
+ struct nfs4_sequence_res seq_res;
+};
+
+struct nfs4_string {
+ unsigned int len;
+ char *data;
+};
+
+#define NFS4_PATHNAME_MAXCOMPONENTS 512
+struct nfs4_pathname {
+ unsigned int ncomponents;
+ struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
+};
+
+#define NFS4_FS_LOCATION_MAXSERVERS 10
+struct nfs4_fs_location {
+ unsigned int nservers;
+ struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
+ struct nfs4_pathname rootpath;
+};
+
+#define NFS4_FS_LOCATIONS_MAXENTRIES 10
+struct nfs4_fs_locations {
+ struct nfs_fattr fattr;
+ const struct nfs_server *server;
+ struct nfs4_pathname fs_path;
+ int nlocations;
+ struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
+};
+
+struct nfs4_fs_locations_arg {
+ const struct nfs_fh *dir_fh;
+ const struct qstr *name;
+ struct page *page;
+ const u32 *bitmask;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_fs_locations_res {
+ struct nfs4_fs_locations *fs_locations;
+ struct nfs4_sequence_res seq_res;
+};
+
+struct nfs4_secinfo_oid {
+ unsigned int len;
+ char data[GSS_OID_MAX_LEN];
+};
+
+struct nfs4_secinfo_gss {
+ struct nfs4_secinfo_oid sec_oid4;
+ unsigned int qop4;
+ unsigned int service;
+};
+
+struct nfs4_secinfo_flavor {
+ unsigned int flavor;
+ struct nfs4_secinfo_gss gss;
+};
+
+struct nfs4_secinfo_flavors {
+ unsigned int num_flavors;
+ struct nfs4_secinfo_flavor flavors[0];
+};
+
+struct nfs4_secinfo_arg {
+ const struct nfs_fh *dir_fh;
+ const struct qstr *name;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_secinfo_res {
+ struct nfs4_secinfo_flavors *flavors;
+ struct nfs4_sequence_res seq_res;
+};
+
+#endif /* CONFIG_NFS_V4 */
+
+struct nfstime4 {
+ u64 seconds;
+ u32 nseconds;
+};
+
+#ifdef CONFIG_NFS_V4_1
+struct nfs_impl_id4 {
+ u32 domain_len;
+ char *domain;
+ u32 name_len;
+ char *name;
+ struct nfstime4 date;
+};
+
+#define NFS4_EXCHANGE_ID_LEN (48)
+struct nfs41_exchange_id_args {
+ struct nfs_client *client;
+ nfs4_verifier *verifier;
+ unsigned int id_len;
+ char id[NFS4_EXCHANGE_ID_LEN];
+ u32 flags;
+};
+
+struct server_owner {
+ uint64_t minor_id;
+ uint32_t major_id_sz;
+ char major_id[NFS4_OPAQUE_LIMIT];
+};
+
+struct server_scope {
+ uint32_t server_scope_sz;
+ char server_scope[NFS4_OPAQUE_LIMIT];
+};
+
+struct nfs41_exchange_id_res {
+ struct nfs_client *client;
+ u32 flags;
+};
+
+struct nfs41_create_session_args {
+ struct nfs_client *client;
+ uint32_t flags;
+ uint32_t cb_program;
+ struct nfs4_channel_attrs fc_attrs; /* Fore Channel */
+ struct nfs4_channel_attrs bc_attrs; /* Back Channel */
+};
+
+struct nfs41_create_session_res {
+ struct nfs_client *client;
+};
+
+struct nfs41_reclaim_complete_args {
+ /* In the future extend to include curr_fh for use with migration */
+ unsigned char one_fs:1;
+ struct nfs4_sequence_args seq_args;
+};
+
+struct nfs41_reclaim_complete_res {
+ struct nfs4_sequence_res seq_res;
+};
+#endif /* CONFIG_NFS_V4_1 */
+
+struct nfs_page;
+
+#define NFS_PAGEVEC_SIZE (8U)
+
+struct nfs_read_data {
+ int flags;
+ struct rpc_task task;
+ struct inode *inode;
+ struct rpc_cred *cred;
+ struct nfs_fattr fattr; /* fattr storage */
+ struct list_head pages; /* Coalesced read requests */
+ struct nfs_page *req; /* multi ops per nfs_page */
+ struct page **pagevec;
+ unsigned int npages; /* Max length of pagevec */
+ struct nfs_readargs args;
+ struct nfs_readres res;
+ unsigned long timestamp; /* For lease renewal */
+ struct pnfs_layout_segment *lseg;
+ struct nfs_client *ds_clp; /* pNFS data server */
+ const struct rpc_call_ops *mds_ops;
+ int (*read_done_cb) (struct rpc_task *task, struct nfs_read_data *data);
+ __u64 mds_offset;
+ int pnfs_error;
+ struct page *page_array[NFS_PAGEVEC_SIZE];
+};
+
+struct nfs_write_data {
+ int flags;
+ struct rpc_task task;
+ struct inode *inode;
+ struct rpc_cred *cred;
+ struct nfs_fattr fattr;
+ struct nfs_writeverf verf;
+ struct list_head pages; /* Coalesced requests we wish to flush */
+ struct nfs_page *req; /* multi ops per nfs_page */
+ struct page **pagevec;
+ unsigned int npages; /* Max length of pagevec */
+ struct nfs_writeargs args; /* argument struct */
+ struct nfs_writeres res; /* result struct */
+ struct pnfs_layout_segment *lseg;
+ struct nfs_client *ds_clp; /* pNFS data server */
+ int ds_commit_index;
+ const struct rpc_call_ops *mds_ops;
+ int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data);
+#ifdef CONFIG_NFS_V4
+ unsigned long timestamp; /* For lease renewal */
+#endif
+ __u64 mds_offset; /* Filelayout dense stripe */
+ int pnfs_error;
+ struct page *page_array[NFS_PAGEVEC_SIZE];
+};
+
+struct nfs_access_entry;
+struct nfs_client;
+struct rpc_timeout;
+
+/*
+ * RPC procedure vector for NFSv2/NFSv3 demuxing
+ */
+struct nfs_rpc_ops {
+ u32 version; /* Protocol version */
+ const struct dentry_operations *dentry_ops;
+ const struct inode_operations *dir_inode_ops;
+ const struct inode_operations *file_inode_ops;
+ const struct file_operations *file_ops;
+
+ int (*getroot) (struct nfs_server *, struct nfs_fh *,
+ struct nfs_fsinfo *);
+ int (*lookupfh)(struct nfs_server *, struct nfs_fh *,
+ struct qstr *, struct nfs_fh *,
+ struct nfs_fattr *);
+ int (*getattr) (struct nfs_server *, struct nfs_fh *,
+ struct nfs_fattr *);
+ int (*setattr) (struct dentry *, struct nfs_fattr *,
+ struct iattr *);
+ int (*lookup) (struct rpc_clnt *clnt, struct inode *, struct qstr *,
+ struct nfs_fh *, struct nfs_fattr *);
+ int (*access) (struct inode *, struct nfs_access_entry *);
+ int (*readlink)(struct inode *, struct page *, unsigned int,
+ unsigned int);
+ int (*create) (struct inode *, struct dentry *,
+ struct iattr *, int, struct nfs_open_context *);
+ int (*remove) (struct inode *, struct qstr *);
+ void (*unlink_setup) (struct rpc_message *, struct inode *dir);
+ int (*unlink_done) (struct rpc_task *, struct inode *);
+ int (*rename) (struct inode *, struct qstr *,
+ struct inode *, struct qstr *);
+ void (*rename_setup) (struct rpc_message *msg, struct inode *dir);
+ int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
+ int (*link) (struct inode *, struct inode *, struct qstr *);
+ int (*symlink) (struct inode *, struct dentry *, struct page *,
+ unsigned int, struct iattr *);
+ int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
+ int (*rmdir) (struct inode *, struct qstr *);
+ int (*readdir) (struct dentry *, struct rpc_cred *,
+ u64, struct page **, unsigned int, int);
+ int (*mknod) (struct inode *, struct dentry *, struct iattr *,
+ dev_t);
+ int (*statfs) (struct nfs_server *, struct nfs_fh *,
+ struct nfs_fsstat *);
+ int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
+ struct nfs_fsinfo *);
+ int (*pathconf) (struct nfs_server *, struct nfs_fh *,
+ struct nfs_pathconf *);
+ int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
+ int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int);
+ void (*read_setup) (struct nfs_read_data *, struct rpc_message *);
+ int (*read_done) (struct rpc_task *, struct nfs_read_data *);
+ void (*write_setup) (struct nfs_write_data *, struct rpc_message *);
+ int (*write_done) (struct rpc_task *, struct nfs_write_data *);
+ void (*commit_setup) (struct nfs_write_data *, struct rpc_message *);
+ int (*commit_done) (struct rpc_task *, struct nfs_write_data *);
+ int (*lock)(struct file *, int, struct file_lock *);
+ int (*lock_check_bounds)(const struct file_lock *);
+ void (*clear_acl_cache)(struct inode *);
+ void (*close_context)(struct nfs_open_context *ctx, int);
+ struct inode * (*open_context) (struct inode *dir,
+ struct nfs_open_context *ctx,
+ int open_flags,
+ struct iattr *iattr);
+ int (*init_client) (struct nfs_client *, const struct rpc_timeout *,
+ const char *, rpc_authflavor_t, int);
+ int (*secinfo)(struct inode *, const struct qstr *, struct nfs4_secinfo_flavors *);
+};
+
+/*
+ * NFS_CALL(getattr, inode, (fattr));
+ * into
+ * NFS_PROTO(inode)->getattr(fattr);
+ */
+#define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
+
+/*
+ * Function vectors etc. for the NFS client
+ */
+extern const struct nfs_rpc_ops nfs_v2_clientops;
+extern const struct nfs_rpc_ops nfs_v3_clientops;
+extern const struct nfs_rpc_ops nfs_v4_clientops;
+extern struct rpc_version nfs_version2;
+extern struct rpc_version nfs_version3;
+extern struct rpc_version nfs_version4;
+
+extern struct rpc_version nfsacl_version3;
+extern struct rpc_program nfsacl_program;
+
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-27 09:36:40 +0000