Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 1 | #ifndef SQUASHFS_FS |
| 2 | #define SQUASHFS_FS |
| 3 | /* |
| 4 | * Squashfs |
| 5 | * |
| 6 | * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008 |
Phillip Lougher | d7f2ff6 | 2011-05-26 10:39:56 +0100 | [diff] [blame] | 7 | * Phillip Lougher <phillip@squashfs.org.uk> |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 8 | * |
| 9 | * This program is free software; you can redistribute it and/or |
| 10 | * modify it under the terms of the GNU General Public License |
| 11 | * as published by the Free Software Foundation; either version 2, |
| 12 | * or (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 22 | * |
| 23 | * squashfs_fs.h |
| 24 | */ |
| 25 | |
| 26 | #define SQUASHFS_CACHED_FRAGMENTS CONFIG_SQUASHFS_FRAGMENT_CACHE_SIZE |
| 27 | #define SQUASHFS_MAJOR 4 |
| 28 | #define SQUASHFS_MINOR 0 |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 29 | #define SQUASHFS_START 0 |
| 30 | |
| 31 | /* size of metadata (inode and directory) blocks */ |
| 32 | #define SQUASHFS_METADATA_SIZE 8192 |
Sean Nyekjaer | 31daf16 | 2021-03-24 21:37:32 -0700 | [diff] [blame] | 33 | #define SQUASHFS_BLOCK_OFFSET 2 |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 34 | |
Phillip Lougher | 7657cac | 2011-10-22 01:34:48 +0100 | [diff] [blame] | 35 | /* default size of block device I/O */ |
| 36 | #ifdef CONFIG_SQUASHFS_4K_DEVBLK_SIZE |
| 37 | #define SQUASHFS_DEVBLK_SIZE 4096 |
| 38 | #else |
| 39 | #define SQUASHFS_DEVBLK_SIZE 1024 |
| 40 | #endif |
| 41 | |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 42 | #define SQUASHFS_FILE_MAX_SIZE 1048576 |
| 43 | #define SQUASHFS_FILE_MAX_LOG 20 |
| 44 | |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 45 | /* Max length of filename (not 255) */ |
| 46 | #define SQUASHFS_NAME_LEN 256 |
| 47 | |
Ajeet Yadav | 4826d83 | 2012-02-02 13:04:49 +0530 | [diff] [blame] | 48 | /* Max value for directory header count*/ |
| 49 | #define SQUASHFS_DIR_COUNT 256 |
| 50 | |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 51 | #define SQUASHFS_INVALID_FRAG (0xffffffffU) |
Phillip Lougher | f41d207 | 2010-05-17 03:17:04 +0100 | [diff] [blame] | 52 | #define SQUASHFS_INVALID_XATTR (0xffffffffU) |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 53 | #define SQUASHFS_INVALID_BLK (-1LL) |
| 54 | |
| 55 | /* Filesystem flags */ |
| 56 | #define SQUASHFS_NOI 0 |
| 57 | #define SQUASHFS_NOD 1 |
| 58 | #define SQUASHFS_NOF 3 |
| 59 | #define SQUASHFS_NO_FRAG 4 |
| 60 | #define SQUASHFS_ALWAYS_FRAG 5 |
| 61 | #define SQUASHFS_DUPLICATE 6 |
| 62 | #define SQUASHFS_EXPORT 7 |
Phillip Lougher | b7fc0ff | 2011-02-28 01:45:42 +0000 | [diff] [blame] | 63 | #define SQUASHFS_COMP_OPT 10 |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 64 | |
| 65 | #define SQUASHFS_BIT(flag, bit) ((flag >> bit) & 1) |
| 66 | |
| 67 | #define SQUASHFS_UNCOMPRESSED_INODES(flags) SQUASHFS_BIT(flags, \ |
| 68 | SQUASHFS_NOI) |
| 69 | |
| 70 | #define SQUASHFS_UNCOMPRESSED_DATA(flags) SQUASHFS_BIT(flags, \ |
| 71 | SQUASHFS_NOD) |
| 72 | |
| 73 | #define SQUASHFS_UNCOMPRESSED_FRAGMENTS(flags) SQUASHFS_BIT(flags, \ |
| 74 | SQUASHFS_NOF) |
| 75 | |
| 76 | #define SQUASHFS_NO_FRAGMENTS(flags) SQUASHFS_BIT(flags, \ |
| 77 | SQUASHFS_NO_FRAG) |
| 78 | |
| 79 | #define SQUASHFS_ALWAYS_FRAGMENTS(flags) SQUASHFS_BIT(flags, \ |
| 80 | SQUASHFS_ALWAYS_FRAG) |
| 81 | |
| 82 | #define SQUASHFS_DUPLICATES(flags) SQUASHFS_BIT(flags, \ |
| 83 | SQUASHFS_DUPLICATE) |
| 84 | |
| 85 | #define SQUASHFS_EXPORTABLE(flags) SQUASHFS_BIT(flags, \ |
| 86 | SQUASHFS_EXPORT) |
| 87 | |
Phillip Lougher | b7fc0ff | 2011-02-28 01:45:42 +0000 | [diff] [blame] | 88 | #define SQUASHFS_COMP_OPTS(flags) SQUASHFS_BIT(flags, \ |
| 89 | SQUASHFS_COMP_OPT) |
| 90 | |
Phillip Lougher | 9e01242 | 2013-09-04 02:58:12 +0100 | [diff] [blame] | 91 | /* Inode types including extended types */ |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 92 | #define SQUASHFS_DIR_TYPE 1 |
| 93 | #define SQUASHFS_REG_TYPE 2 |
| 94 | #define SQUASHFS_SYMLINK_TYPE 3 |
| 95 | #define SQUASHFS_BLKDEV_TYPE 4 |
| 96 | #define SQUASHFS_CHRDEV_TYPE 5 |
| 97 | #define SQUASHFS_FIFO_TYPE 6 |
| 98 | #define SQUASHFS_SOCKET_TYPE 7 |
| 99 | #define SQUASHFS_LDIR_TYPE 8 |
| 100 | #define SQUASHFS_LREG_TYPE 9 |
| 101 | #define SQUASHFS_LSYMLINK_TYPE 10 |
| 102 | #define SQUASHFS_LBLKDEV_TYPE 11 |
| 103 | #define SQUASHFS_LCHRDEV_TYPE 12 |
| 104 | #define SQUASHFS_LFIFO_TYPE 13 |
| 105 | #define SQUASHFS_LSOCKET_TYPE 14 |
| 106 | |
Phillip Lougher | 9e01242 | 2013-09-04 02:58:12 +0100 | [diff] [blame] | 107 | /* Max type value stored in directory entry */ |
| 108 | #define SQUASHFS_MAX_DIR_TYPE 7 |
| 109 | |
Phillip Lougher | f41d207 | 2010-05-17 03:17:04 +0100 | [diff] [blame] | 110 | /* Xattr types */ |
| 111 | #define SQUASHFS_XATTR_USER 0 |
| 112 | #define SQUASHFS_XATTR_TRUSTED 1 |
| 113 | #define SQUASHFS_XATTR_SECURITY 2 |
| 114 | #define SQUASHFS_XATTR_VALUE_OOL 256 |
| 115 | #define SQUASHFS_XATTR_PREFIX_MASK 0xff |
| 116 | |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 117 | /* Flag whether block is compressed or uncompressed, bit is set if block is |
| 118 | * uncompressed */ |
| 119 | #define SQUASHFS_COMPRESSED_BIT (1 << 15) |
| 120 | |
| 121 | #define SQUASHFS_COMPRESSED_SIZE(B) (((B) & ~SQUASHFS_COMPRESSED_BIT) ? \ |
| 122 | (B) & ~SQUASHFS_COMPRESSED_BIT : SQUASHFS_COMPRESSED_BIT) |
| 123 | |
| 124 | #define SQUASHFS_COMPRESSED(B) (!((B) & SQUASHFS_COMPRESSED_BIT)) |
| 125 | |
| 126 | #define SQUASHFS_COMPRESSED_BIT_BLOCK (1 << 24) |
| 127 | |
| 128 | #define SQUASHFS_COMPRESSED_SIZE_BLOCK(B) ((B) & \ |
| 129 | ~SQUASHFS_COMPRESSED_BIT_BLOCK) |
| 130 | |
| 131 | #define SQUASHFS_COMPRESSED_BLOCK(B) (!((B) & SQUASHFS_COMPRESSED_BIT_BLOCK)) |
| 132 | |
Linus Torvalds | 1aecbe4 | 2018-07-29 12:44:46 -0700 | [diff] [blame] | 133 | static inline int squashfs_block_size(__le32 raw) |
| 134 | { |
| 135 | u32 size = le32_to_cpu(raw); |
| 136 | return (size >> 25) ? -EIO : size; |
| 137 | } |
| 138 | |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 139 | /* |
| 140 | * Inode number ops. Inodes consist of a compressed block number, and an |
| 141 | * uncompressed offset within that block |
| 142 | */ |
| 143 | #define SQUASHFS_INODE_BLK(A) ((unsigned int) ((A) >> 16)) |
| 144 | |
| 145 | #define SQUASHFS_INODE_OFFSET(A) ((unsigned int) ((A) & 0xffff)) |
| 146 | |
| 147 | #define SQUASHFS_MKINODE(A, B) ((long long)(((long long) (A)\ |
| 148 | << 16) + (B))) |
| 149 | |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 150 | /* fragment and fragment table defines */ |
| 151 | #define SQUASHFS_FRAGMENT_BYTES(A) \ |
| 152 | ((A) * sizeof(struct squashfs_fragment_entry)) |
| 153 | |
| 154 | #define SQUASHFS_FRAGMENT_INDEX(A) (SQUASHFS_FRAGMENT_BYTES(A) / \ |
| 155 | SQUASHFS_METADATA_SIZE) |
| 156 | |
| 157 | #define SQUASHFS_FRAGMENT_INDEX_OFFSET(A) (SQUASHFS_FRAGMENT_BYTES(A) % \ |
| 158 | SQUASHFS_METADATA_SIZE) |
| 159 | |
| 160 | #define SQUASHFS_FRAGMENT_INDEXES(A) ((SQUASHFS_FRAGMENT_BYTES(A) + \ |
| 161 | SQUASHFS_METADATA_SIZE - 1) / \ |
| 162 | SQUASHFS_METADATA_SIZE) |
| 163 | |
| 164 | #define SQUASHFS_FRAGMENT_INDEX_BYTES(A) (SQUASHFS_FRAGMENT_INDEXES(A) *\ |
| 165 | sizeof(u64)) |
| 166 | |
| 167 | /* inode lookup table defines */ |
| 168 | #define SQUASHFS_LOOKUP_BYTES(A) ((A) * sizeof(u64)) |
| 169 | |
| 170 | #define SQUASHFS_LOOKUP_BLOCK(A) (SQUASHFS_LOOKUP_BYTES(A) / \ |
| 171 | SQUASHFS_METADATA_SIZE) |
| 172 | |
| 173 | #define SQUASHFS_LOOKUP_BLOCK_OFFSET(A) (SQUASHFS_LOOKUP_BYTES(A) % \ |
| 174 | SQUASHFS_METADATA_SIZE) |
| 175 | |
| 176 | #define SQUASHFS_LOOKUP_BLOCKS(A) ((SQUASHFS_LOOKUP_BYTES(A) + \ |
| 177 | SQUASHFS_METADATA_SIZE - 1) / \ |
| 178 | SQUASHFS_METADATA_SIZE) |
| 179 | |
| 180 | #define SQUASHFS_LOOKUP_BLOCK_BYTES(A) (SQUASHFS_LOOKUP_BLOCKS(A) *\ |
| 181 | sizeof(u64)) |
| 182 | |
| 183 | /* uid/gid lookup table defines */ |
| 184 | #define SQUASHFS_ID_BYTES(A) ((A) * sizeof(unsigned int)) |
| 185 | |
| 186 | #define SQUASHFS_ID_BLOCK(A) (SQUASHFS_ID_BYTES(A) / \ |
| 187 | SQUASHFS_METADATA_SIZE) |
| 188 | |
| 189 | #define SQUASHFS_ID_BLOCK_OFFSET(A) (SQUASHFS_ID_BYTES(A) % \ |
| 190 | SQUASHFS_METADATA_SIZE) |
| 191 | |
| 192 | #define SQUASHFS_ID_BLOCKS(A) ((SQUASHFS_ID_BYTES(A) + \ |
| 193 | SQUASHFS_METADATA_SIZE - 1) / \ |
| 194 | SQUASHFS_METADATA_SIZE) |
| 195 | |
| 196 | #define SQUASHFS_ID_BLOCK_BYTES(A) (SQUASHFS_ID_BLOCKS(A) *\ |
| 197 | sizeof(u64)) |
Phillip Lougher | 4b5397d | 2010-05-14 20:48:47 +0100 | [diff] [blame] | 198 | /* xattr id lookup table defines */ |
| 199 | #define SQUASHFS_XATTR_BYTES(A) ((A) * sizeof(struct squashfs_xattr_id)) |
| 200 | |
| 201 | #define SQUASHFS_XATTR_BLOCK(A) (SQUASHFS_XATTR_BYTES(A) / \ |
| 202 | SQUASHFS_METADATA_SIZE) |
| 203 | |
| 204 | #define SQUASHFS_XATTR_BLOCK_OFFSET(A) (SQUASHFS_XATTR_BYTES(A) % \ |
| 205 | SQUASHFS_METADATA_SIZE) |
| 206 | |
| 207 | #define SQUASHFS_XATTR_BLOCKS(A) ((SQUASHFS_XATTR_BYTES(A) + \ |
| 208 | SQUASHFS_METADATA_SIZE - 1) / \ |
| 209 | SQUASHFS_METADATA_SIZE) |
| 210 | |
| 211 | #define SQUASHFS_XATTR_BLOCK_BYTES(A) (SQUASHFS_XATTR_BLOCKS(A) *\ |
| 212 | sizeof(u64)) |
| 213 | #define SQUASHFS_XATTR_BLK(A) ((unsigned int) ((A) >> 16)) |
| 214 | |
| 215 | #define SQUASHFS_XATTR_OFFSET(A) ((unsigned int) ((A) & 0xffff)) |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 216 | |
| 217 | /* cached data constants for filesystem */ |
| 218 | #define SQUASHFS_CACHED_BLKS 8 |
| 219 | |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 220 | /* meta index cache */ |
| 221 | #define SQUASHFS_META_INDEXES (SQUASHFS_METADATA_SIZE / sizeof(unsigned int)) |
| 222 | #define SQUASHFS_META_ENTRIES 127 |
| 223 | #define SQUASHFS_META_SLOTS 8 |
| 224 | |
| 225 | struct meta_entry { |
| 226 | u64 data_block; |
| 227 | unsigned int index_block; |
| 228 | unsigned short offset; |
| 229 | unsigned short pad; |
| 230 | }; |
| 231 | |
| 232 | struct meta_index { |
| 233 | unsigned int inode_number; |
| 234 | unsigned int offset; |
| 235 | unsigned short entries; |
| 236 | unsigned short skip; |
| 237 | unsigned short locked; |
| 238 | unsigned short pad; |
| 239 | struct meta_entry meta_entry[SQUASHFS_META_ENTRIES]; |
| 240 | }; |
| 241 | |
| 242 | |
| 243 | /* |
| 244 | * definitions for structures on disk |
| 245 | */ |
Phillip Lougher | dc32567 | 2009-10-14 03:58:11 +0100 | [diff] [blame] | 246 | #define ZLIB_COMPRESSION 1 |
| 247 | #define LZMA_COMPRESSION 2 |
| 248 | #define LZO_COMPRESSION 3 |
Phillip Lougher | 81bb8de | 2010-12-09 02:02:29 +0000 | [diff] [blame] | 249 | #define XZ_COMPRESSION 4 |
Phillip Lougher | 9c06a46 | 2014-11-27 06:49:14 +0000 | [diff] [blame] | 250 | #define LZ4_COMPRESSION 5 |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 251 | |
| 252 | struct squashfs_super_block { |
| 253 | __le32 s_magic; |
| 254 | __le32 inodes; |
| 255 | __le32 mkfs_time; |
| 256 | __le32 block_size; |
| 257 | __le32 fragments; |
| 258 | __le16 compression; |
| 259 | __le16 block_log; |
| 260 | __le16 flags; |
| 261 | __le16 no_ids; |
| 262 | __le16 s_major; |
| 263 | __le16 s_minor; |
| 264 | __le64 root_inode; |
| 265 | __le64 bytes_used; |
| 266 | __le64 id_table_start; |
Phillip Lougher | 4b5397d | 2010-05-14 20:48:47 +0100 | [diff] [blame] | 267 | __le64 xattr_id_table_start; |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 268 | __le64 inode_table_start; |
| 269 | __le64 directory_table_start; |
| 270 | __le64 fragment_table_start; |
| 271 | __le64 lookup_table_start; |
| 272 | }; |
| 273 | |
| 274 | struct squashfs_dir_index { |
| 275 | __le32 index; |
| 276 | __le32 start_block; |
| 277 | __le32 size; |
| 278 | unsigned char name[0]; |
| 279 | }; |
| 280 | |
| 281 | struct squashfs_base_inode { |
| 282 | __le16 inode_type; |
| 283 | __le16 mode; |
| 284 | __le16 uid; |
| 285 | __le16 guid; |
| 286 | __le32 mtime; |
Phillip Lougher | 66048c3 | 2010-08-08 22:29:33 +0000 | [diff] [blame] | 287 | __le32 inode_number; |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 288 | }; |
| 289 | |
| 290 | struct squashfs_ipc_inode { |
| 291 | __le16 inode_type; |
| 292 | __le16 mode; |
| 293 | __le16 uid; |
| 294 | __le16 guid; |
| 295 | __le32 mtime; |
Phillip Lougher | 66048c3 | 2010-08-08 22:29:33 +0000 | [diff] [blame] | 296 | __le32 inode_number; |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 297 | __le32 nlink; |
| 298 | }; |
| 299 | |
Phillip Lougher | 67f66cc | 2010-05-17 04:06:56 +0100 | [diff] [blame] | 300 | struct squashfs_lipc_inode { |
| 301 | __le16 inode_type; |
| 302 | __le16 mode; |
| 303 | __le16 uid; |
| 304 | __le16 guid; |
| 305 | __le32 mtime; |
Phillip Lougher | 66048c3 | 2010-08-08 22:29:33 +0000 | [diff] [blame] | 306 | __le32 inode_number; |
Phillip Lougher | 67f66cc | 2010-05-17 04:06:56 +0100 | [diff] [blame] | 307 | __le32 nlink; |
| 308 | __le32 xattr; |
| 309 | }; |
| 310 | |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 311 | struct squashfs_dev_inode { |
| 312 | __le16 inode_type; |
| 313 | __le16 mode; |
| 314 | __le16 uid; |
| 315 | __le16 guid; |
| 316 | __le32 mtime; |
Phillip Lougher | 66048c3 | 2010-08-08 22:29:33 +0000 | [diff] [blame] | 317 | __le32 inode_number; |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 318 | __le32 nlink; |
| 319 | __le32 rdev; |
| 320 | }; |
| 321 | |
Phillip Lougher | 67f66cc | 2010-05-17 04:06:56 +0100 | [diff] [blame] | 322 | struct squashfs_ldev_inode { |
| 323 | __le16 inode_type; |
| 324 | __le16 mode; |
| 325 | __le16 uid; |
| 326 | __le16 guid; |
| 327 | __le32 mtime; |
Phillip Lougher | 66048c3 | 2010-08-08 22:29:33 +0000 | [diff] [blame] | 328 | __le32 inode_number; |
Phillip Lougher | 67f66cc | 2010-05-17 04:06:56 +0100 | [diff] [blame] | 329 | __le32 nlink; |
| 330 | __le32 rdev; |
| 331 | __le32 xattr; |
| 332 | }; |
| 333 | |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 334 | struct squashfs_symlink_inode { |
| 335 | __le16 inode_type; |
| 336 | __le16 mode; |
| 337 | __le16 uid; |
| 338 | __le16 guid; |
| 339 | __le32 mtime; |
Phillip Lougher | 66048c3 | 2010-08-08 22:29:33 +0000 | [diff] [blame] | 340 | __le32 inode_number; |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 341 | __le32 nlink; |
| 342 | __le32 symlink_size; |
| 343 | char symlink[0]; |
| 344 | }; |
| 345 | |
| 346 | struct squashfs_reg_inode { |
| 347 | __le16 inode_type; |
| 348 | __le16 mode; |
| 349 | __le16 uid; |
| 350 | __le16 guid; |
| 351 | __le32 mtime; |
Phillip Lougher | 66048c3 | 2010-08-08 22:29:33 +0000 | [diff] [blame] | 352 | __le32 inode_number; |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 353 | __le32 start_block; |
| 354 | __le32 fragment; |
| 355 | __le32 offset; |
| 356 | __le32 file_size; |
| 357 | __le16 block_list[0]; |
| 358 | }; |
| 359 | |
| 360 | struct squashfs_lreg_inode { |
| 361 | __le16 inode_type; |
| 362 | __le16 mode; |
| 363 | __le16 uid; |
| 364 | __le16 guid; |
| 365 | __le32 mtime; |
Phillip Lougher | 66048c3 | 2010-08-08 22:29:33 +0000 | [diff] [blame] | 366 | __le32 inode_number; |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 367 | __le64 start_block; |
| 368 | __le64 file_size; |
| 369 | __le64 sparse; |
| 370 | __le32 nlink; |
| 371 | __le32 fragment; |
| 372 | __le32 offset; |
| 373 | __le32 xattr; |
| 374 | __le16 block_list[0]; |
| 375 | }; |
| 376 | |
| 377 | struct squashfs_dir_inode { |
| 378 | __le16 inode_type; |
| 379 | __le16 mode; |
| 380 | __le16 uid; |
| 381 | __le16 guid; |
| 382 | __le32 mtime; |
Phillip Lougher | 66048c3 | 2010-08-08 22:29:33 +0000 | [diff] [blame] | 383 | __le32 inode_number; |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 384 | __le32 start_block; |
| 385 | __le32 nlink; |
| 386 | __le16 file_size; |
| 387 | __le16 offset; |
| 388 | __le32 parent_inode; |
| 389 | }; |
| 390 | |
| 391 | struct squashfs_ldir_inode { |
| 392 | __le16 inode_type; |
| 393 | __le16 mode; |
| 394 | __le16 uid; |
| 395 | __le16 guid; |
| 396 | __le32 mtime; |
Phillip Lougher | 66048c3 | 2010-08-08 22:29:33 +0000 | [diff] [blame] | 397 | __le32 inode_number; |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 398 | __le32 nlink; |
| 399 | __le32 file_size; |
| 400 | __le32 start_block; |
| 401 | __le32 parent_inode; |
| 402 | __le16 i_count; |
| 403 | __le16 offset; |
| 404 | __le32 xattr; |
| 405 | struct squashfs_dir_index index[0]; |
| 406 | }; |
| 407 | |
| 408 | union squashfs_inode { |
| 409 | struct squashfs_base_inode base; |
| 410 | struct squashfs_dev_inode dev; |
Phillip Lougher | 67f66cc | 2010-05-17 04:06:56 +0100 | [diff] [blame] | 411 | struct squashfs_ldev_inode ldev; |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 412 | struct squashfs_symlink_inode symlink; |
| 413 | struct squashfs_reg_inode reg; |
| 414 | struct squashfs_lreg_inode lreg; |
| 415 | struct squashfs_dir_inode dir; |
| 416 | struct squashfs_ldir_inode ldir; |
| 417 | struct squashfs_ipc_inode ipc; |
Phillip Lougher | 67f66cc | 2010-05-17 04:06:56 +0100 | [diff] [blame] | 418 | struct squashfs_lipc_inode lipc; |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 419 | }; |
| 420 | |
| 421 | struct squashfs_dir_entry { |
| 422 | __le16 offset; |
| 423 | __le16 inode_number; |
| 424 | __le16 type; |
| 425 | __le16 size; |
| 426 | char name[0]; |
| 427 | }; |
| 428 | |
| 429 | struct squashfs_dir_header { |
| 430 | __le32 count; |
| 431 | __le32 start_block; |
| 432 | __le32 inode_number; |
| 433 | }; |
| 434 | |
| 435 | struct squashfs_fragment_entry { |
| 436 | __le64 start_block; |
| 437 | __le32 size; |
| 438 | unsigned int unused; |
| 439 | }; |
| 440 | |
Phillip Lougher | f41d207 | 2010-05-17 03:17:04 +0100 | [diff] [blame] | 441 | struct squashfs_xattr_entry { |
| 442 | __le16 type; |
| 443 | __le16 size; |
| 444 | char data[0]; |
| 445 | }; |
| 446 | |
| 447 | struct squashfs_xattr_val { |
| 448 | __le32 vsize; |
| 449 | char value[0]; |
| 450 | }; |
| 451 | |
Phillip Lougher | 4b5397d | 2010-05-14 20:48:47 +0100 | [diff] [blame] | 452 | struct squashfs_xattr_id { |
| 453 | __le64 xattr; |
| 454 | __le32 count; |
| 455 | __le32 size; |
| 456 | }; |
| 457 | |
| 458 | struct squashfs_xattr_id_table { |
| 459 | __le64 xattr_table_start; |
| 460 | __le32 xattr_ids; |
| 461 | __le32 unused; |
| 462 | }; |
| 463 | |
Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 464 | #endif |