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/* ntfs.h - header for the NTFS filesystem */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2007,2009 Free Software Foundation, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_NTFS_H
#define GRUB_NTFS_H 1
#define FILE_MFT 0
#define FILE_MFTMIRR 1
#define FILE_LOGFILE 2
#define FILE_VOLUME 3
#define FILE_ATTRDEF 4
#define FILE_ROOT 5
#define FILE_BITMAP 6
#define FILE_BOOT 7
#define FILE_BADCLUS 8
#define FILE_QUOTA 9
#define FILE_UPCASE 10
#define AT_STANDARD_INFORMATION 0x10
#define AT_ATTRIBUTE_LIST 0x20
#define AT_FILENAME 0x30
#define AT_OBJECT_ID 0x40
#define AT_SECURITY_DESCRIPTOR 0x50
#define AT_VOLUME_NAME 0x60
#define AT_VOLUME_INFORMATION 0x70
#define AT_DATA 0x80
#define AT_INDEX_ROOT 0x90
#define AT_INDEX_ALLOCATION 0xA0
#define AT_BITMAP 0xB0
#define AT_SYMLINK 0xC0
#define AT_EA_INFORMATION 0xD0
#define AT_EA 0xE0
#define ATTR_READ_ONLY 0x1
#define ATTR_HIDDEN 0x2
#define ATTR_SYSTEM 0x4
#define ATTR_ARCHIVE 0x20
#define ATTR_DEVICE 0x40
#define ATTR_NORMAL 0x80
#define ATTR_TEMPORARY 0x100
#define ATTR_SPARSE 0x200
#define ATTR_REPARSE 0x400
#define ATTR_COMPRESSED 0x800
#define ATTR_OFFLINE 0x1000
#define ATTR_NOT_INDEXED 0x2000
#define ATTR_ENCRYPTED 0x4000
#define ATTR_DIRECTORY 0x10000000
#define ATTR_INDEX_VIEW 0x20000000
#define FLAG_COMPRESSED 1
#define FLAG_ENCRYPTED 0x4000
#define FLAG_SPARSE 0x8000
#define BLK_SHR GRUB_DISK_SECTOR_BITS
#define MAX_MFT (1024 >> BLK_SHR)
#define MAX_IDX (16384 >> BLK_SHR)
#define COM_LEN 4096
#define COM_LOG_LEN 12
#define COM_SEC (COM_LEN >> BLK_SHR)
#define AF_ALST 1
#define AF_MMFT 2
#define AF_GPOS 4
#define RF_COMP 1
#define RF_CBLK 2
#define RF_BLNK 4
#define valueat(buf,ofs,type) *((type*)(((char*)buf)+ofs))
#define u16at(buf,ofs) grub_le_to_cpu16(valueat(buf,ofs,grub_uint16_t))
#define u32at(buf,ofs) grub_le_to_cpu32(valueat(buf,ofs,grub_uint32_t))
#define u64at(buf,ofs) grub_le_to_cpu64(valueat(buf,ofs,grub_uint64_t))
#define v16at(buf,ofs) valueat(buf,ofs,grub_uint16_t)
#define v32at(buf,ofs) valueat(buf,ofs,grub_uint32_t)
#define v64at(buf,ofs) valueat(buf,ofs,grub_uint64_t)
struct grub_ntfs_bpb
{
grub_uint8_t jmp_boot[3];
grub_uint8_t oem_name[8];
grub_uint16_t bytes_per_sector;
grub_uint8_t sectors_per_cluster;
grub_uint8_t reserved_1[7];
grub_uint8_t media;
grub_uint16_t reserved_2;
grub_uint16_t sectors_per_track;
grub_uint16_t num_heads;
grub_uint32_t num_hidden_sectors;
grub_uint32_t reserved_3[2];
grub_uint64_t num_total_sectors;
grub_uint64_t mft_lcn;
grub_uint64_t mft_mirr_lcn;
grub_int8_t clusters_per_mft;
grub_int8_t reserved_4[3];
grub_int8_t clusters_per_index;
grub_int8_t reserved_5[3];
grub_uint64_t num_serial;
grub_uint32_t checksum;
} __attribute__ ((packed));
#define grub_ntfs_file grub_fshelp_node
struct grub_ntfs_attr
{
int flags;
char *emft_buf, *edat_buf;
char *attr_cur, *attr_nxt, *attr_end;
grub_uint32_t save_pos;
char *sbuf;
struct grub_ntfs_file *mft;
};
struct grub_fshelp_node
{
struct grub_ntfs_data *data;
char *buf;
grub_uint64_t size;
grub_uint32_t ino;
int inode_read;
struct grub_ntfs_attr attr;
};
struct grub_ntfs_data
{
struct grub_ntfs_file cmft;
struct grub_ntfs_file mmft;
grub_disk_t disk;
grub_uint32_t mft_size;
grub_uint32_t idx_size;
grub_uint32_t spc;
grub_uint32_t blocksize;
grub_uint32_t mft_start;
grub_uint64_t uuid;
};
struct grub_ntfs_comp
{
grub_disk_t disk;
int comp_head, comp_tail;
grub_uint32_t comp_table[16][2];
grub_uint32_t cbuf_ofs, cbuf_vcn, spc;
char *cbuf;
};
struct grub_ntfs_rlst
{
int flags;
grub_disk_addr_t target_vcn, curr_vcn, next_vcn, curr_lcn;
char *cur_run;
struct grub_ntfs_attr *attr;
struct grub_ntfs_comp comp;
};
typedef grub_err_t (*ntfscomp_func_t) (struct grub_ntfs_attr * at, char *dest,
grub_uint32_t ofs, grub_uint32_t len,
struct grub_ntfs_rlst * ctx,
grub_uint32_t vcn);
extern ntfscomp_func_t EXPORT_VAR (grub_ntfscomp_func);
grub_err_t EXPORT_FUNC(grub_ntfs_read_run_list) (struct grub_ntfs_rlst *ctx);
#endif /* ! GRUB_NTFS_H */
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