ecma167-udf.h revision 1.9
1 /* $NetBSD: ecma167-udf.h,v 1.9 2008/06/21 00:12:09 reinoud Exp $ */ 2 3 /*- 4 * Copyright (c) 2003, 2004, 2005, 2006, 2008 Reinoud Zandijk 5 * Copyright (c) 2001, 2002 Scott Long <scottl (at) freebsd.org> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * 30 * Extended and adapted for UDFv2.50+ bij Reinoud Zandijk based on the 31 * origional by Scott Long. 32 * 33 * 20030508 Made some small typo and explainatory comments 34 * 20030510 Added UDF 2.01 structures 35 * 20030519 Added/correct comments on multi-partitioned logical volume space 36 * 20050616 Added pseudo overwrite 37 * 20050624 Added the missing extended attribute types and `magic values'. 38 * 20051106 Reworked some implementation use parts 39 * 40 */ 41 42 43 #ifndef _FS_UDF_ECMA167_UDF_H_ 44 #define _FS_UDF_ECMA167_UDF_H_ 45 46 47 /* 48 * in case of an older gcc versions, define the __packed as explicit 49 * attribute 50 */ 51 52 /* 53 * You may specify the `aligned' and `transparent_union' attributes either in 54 * a `typedef' declaration or just past the closing curly brace of a complete 55 * enum, struct or union type _definition_ and the `packed' attribute only 56 * past the closing brace of a definition. You may also specify attributes 57 * between the enum, struct or union tag and the name of the type rather than 58 * after the closing brace. 59 */ 60 61 #ifndef __packed 62 #define __packed __packed 63 #endif 64 65 66 /* ecma167-udf.h */ 67 68 /* Volume recognition sequence ECMA 167 rev. 3 16.1 */ 69 struct vrs_desc { 70 uint8_t struct_type; 71 uint8_t identifier[5]; 72 uint8_t version; 73 uint8_t data[2041]; 74 } __packed; 75 76 77 #define VRS_NSR02 "NSR02" 78 #define VRS_NSR03 "NSR03" 79 #define VRS_BEA01 "BEA01" 80 #define VRS_TEA01 "TEA01" 81 #define VRS_CD001 "CD001" 82 #define VRS_CDW02 "CDW02" 83 84 85 /* Structure/definitions/constants a la ECMA 167 rev. 3 */ 86 87 88 #define MAX_TAGID_VOLUMES 9 89 /* Tag identifiers */ 90 enum { 91 TAGID_SPARING_TABLE = 0, 92 TAGID_PRI_VOL = 1, 93 TAGID_ANCHOR = 2, 94 TAGID_VOL = 3, 95 TAGID_IMP_VOL = 4, 96 TAGID_PARTITION = 5, 97 TAGID_LOGVOL = 6, 98 TAGID_UNALLOC_SPACE = 7, 99 TAGID_TERM = 8, 100 TAGID_LOGVOL_INTEGRITY= 9, 101 TAGID_FSD = 256, 102 TAGID_FID = 257, 103 TAGID_ALLOCEXTENT = 258, 104 TAGID_INDIRECTENTRY = 259, 105 TAGID_ICB_TERM = 260, 106 TAGID_FENTRY = 261, 107 TAGID_EXTATTR_HDR = 262, 108 TAGID_UNALL_SP_ENTRY = 263, 109 TAGID_SPACE_BITMAP = 264, 110 TAGID_PART_INTEGRETY = 265, 111 TAGID_EXTFENTRY = 266, 112 TAGID_MAX = 266 113 }; 114 115 116 enum { 117 UDF_DOMAIN_FLAG_HARD_WRITE_PROTECT = 1, 118 UDF_DOMAIN_FLAG_SOFT_WRITE_PROTECT = 2 119 }; 120 121 122 enum { 123 UDF_ACCESSTYPE_NOT_SPECIFIED = 0, /* unknown */ 124 UDF_ACCESSTYPE_PSEUDO_OVERWITE = 0, /* Pseudo overwritable, f.e. BD-R's LOW */ 125 UDF_ACCESSTYPE_READ_ONLY = 1, /* really only readable */ 126 UDF_ACCESSTYPE_WRITE_ONCE = 2, /* write once and you're done */ 127 UDF_ACCESSTYPE_REWRITEABLE = 3, /* may need extra work to rewrite */ 128 UDF_ACCESSTYPE_OVERWRITABLE = 4 /* no limits on rewriting; harddisc f.e.*/ 129 }; 130 131 132 /* Descriptor tag [3/7.2] */ 133 struct desc_tag { 134 uint16_t id; 135 uint16_t descriptor_ver; 136 uint8_t cksum; 137 uint8_t reserved; 138 uint16_t serial_num; 139 uint16_t desc_crc; 140 uint16_t desc_crc_len; 141 uint32_t tag_loc; 142 } __packed; 143 #define UDF_DESC_TAG_LENGTH 16 144 145 146 /* Recorded Address [4/7.1] */ 147 struct lb_addr { /* within partition space */ 148 uint32_t lb_num; 149 uint16_t part_num; 150 } __packed; 151 152 153 /* Extent Descriptor [3/7.1] */ 154 struct extent_ad { 155 uint32_t len; 156 uint32_t loc; 157 } __packed; 158 159 160 /* Short Allocation Descriptor [4/14.14.1] */ 161 struct short_ad { 162 uint32_t len; 163 uint32_t lb_num; 164 } __packed; 165 166 167 /* Long Allocation Descriptor [4/14.14.2] */ 168 struct UDF_ADImp_use { 169 uint16_t flags; 170 uint32_t unique_id; 171 } __packed; 172 #define UDF_ADIMP_FLAGS_EXTENT_ERASED 1 173 174 175 struct long_ad { 176 uint32_t len; 177 struct lb_addr loc; /* within a logical volume mapped partition space !! */ 178 union { 179 uint8_t bytes[6]; 180 struct UDF_ADImp_use im_used; 181 } __packed impl; 182 } __packed; 183 #define longad_uniqueid impl.im_used.unique_id 184 185 186 /* Extended Allocation Descriptor [4/14.14.3] ; identifies an extent of allocation descriptors ; also in UDF ? */ 187 struct ext_ad { 188 uint32_t ex_len; 189 uint32_t rec_len; 190 uint32_t inf_len; 191 struct lb_addr ex_loc; 192 uint8_t reserved[2]; 193 } __packed; 194 195 196 /* ICB : Information Control Block; positioning */ 197 union icb { 198 struct short_ad s_ad; 199 struct long_ad l_ad; 200 struct ext_ad e_ad; 201 } __packed; 202 203 204 /* short/long/ext extent have flags encoded in length */ 205 #define UDF_EXT_ALLOCATED (0<<30) 206 #define UDF_EXT_FREED (1<<30) 207 #define UDF_EXT_ALLOCATED_BUT_NOT_USED (1<<30) 208 #define UDF_EXT_FREE (2<<30) 209 #define UDF_EXT_REDIRECT (3<<30) 210 #define UDF_EXT_FLAGS(len) ((len) & (3<<30)) 211 #define UDF_EXT_LEN(len) ((len) & ((1<<30)-1)) 212 #define UDF_EXT_MAXLEN ((1<<30)-1) 213 214 215 /* Character set spec [1/7.2.1] */ 216 struct charspec { 217 uint8_t type; 218 uint8_t inf[63]; 219 } __packed; 220 221 222 struct pathcomp { 223 uint8_t type; 224 uint8_t l_ci; 225 uint16_t comp_filever; 226 uint8_t ident[256]; 227 } __packed; 228 #define UDF_PATH_COMP_SIZE 4 229 #define UDF_PATH_COMP_RESERVED 0 230 #define UDF_PATH_COMP_ROOT 1 231 #define UDF_PATH_COMP_MOUNTROOT 2 232 #define UDF_PATH_COMP_PARENTDIR 3 233 #define UDF_PATH_COMP_CURDIR 4 234 #define UDF_PATH_COMP_NAME 5 235 236 237 /* Timestamp [1/7.3] */ 238 struct timestamp { 239 uint16_t type_tz; 240 uint16_t year; 241 uint8_t month; 242 uint8_t day; 243 uint8_t hour; 244 uint8_t minute; 245 uint8_t second; 246 uint8_t centisec; 247 uint8_t hund_usec; 248 uint8_t usec; 249 } __packed; 250 251 252 /* Entity Identifier [1/7.4] */ 253 #define UDF_REGID_ID_SIZE 23 254 struct regid { 255 uint8_t flags; 256 uint8_t id[UDF_REGID_ID_SIZE]; 257 uint8_t id_suffix[8]; 258 } __packed; 259 260 261 /* ICB Tag [4/14.6] */ 262 struct icb_tag { 263 uint32_t prev_num_dirs; 264 uint16_t strat_type; 265 uint8_t strat_param[2]; 266 uint16_t max_num_entries; 267 uint8_t reserved; 268 uint8_t file_type; 269 struct lb_addr parent_icb; 270 uint16_t flags; 271 } __packed; 272 #define UDF_ICB_TAG_FLAGS_ALLOC_MASK 0x03 273 #define UDF_ICB_SHORT_ALLOC 0x00 274 #define UDF_ICB_LONG_ALLOC 0x01 275 #define UDF_ICB_EXT_ALLOC 0x02 276 #define UDF_ICB_INTERN_ALLOC 0x03 277 278 #define UDF_ICB_TAG_FLAGS_DIRORDERED (1<< 3) 279 #define UDF_ICB_TAG_FLAGS_NONRELOC (1<< 4) 280 #define UDF_ICB_TAG_FLAGS_CONTIGUES (1<< 9) 281 #define UDF_ICB_TAG_FLAGS_MULTIPLEVERS (1<<12) 282 283 #define UDF_ICB_TAG_FLAGS_SETUID (1<< 6) 284 #define UDF_ICB_TAG_FLAGS_SETGID (1<< 7) 285 #define UDF_ICB_TAG_FLAGS_STICKY (1<< 8) 286 287 #define UDF_ICB_FILETYPE_UNKNOWN 0 288 #define UDF_ICB_FILETYPE_UNALLOCSPACE 1 289 #define UDF_ICB_FILETYPE_PARTINTEGRITY 2 290 #define UDF_ICB_FILETYPE_INDIRECTENTRY 3 291 #define UDF_ICB_FILETYPE_DIRECTORY 4 292 #define UDF_ICB_FILETYPE_RANDOMACCESS 5 293 #define UDF_ICB_FILETYPE_BLOCKDEVICE 6 294 #define UDF_ICB_FILETYPE_CHARDEVICE 7 295 #define UDF_ICB_FILETYPE_EXTATTRREC 8 296 #define UDF_ICB_FILETYPE_FIFO 9 297 #define UDF_ICB_FILETYPE_SOCKET 10 298 #define UDF_ICB_FILETYPE_TERM 11 299 #define UDF_ICB_FILETYPE_SYMLINK 12 300 #define UDF_ICB_FILETYPE_STREAMDIR 13 301 #define UDF_ICB_FILETYPE_VAT 248 302 #define UDF_ICB_FILETYPE_REALTIME 249 303 #define UDF_ICB_FILETYPE_META_MAIN 250 304 #define UDF_ICB_FILETYPE_META_MIRROR 251 305 306 307 /* Anchor Volume Descriptor Pointer [3/10.2] */ 308 struct anchor_vdp { 309 struct desc_tag tag; 310 struct extent_ad main_vds_ex; /* to main volume descriptor set ; 16 sectors min */ 311 struct extent_ad reserve_vds_ex; /* copy of main volume descriptor set ; 16 sectors min */ 312 } __packed; 313 314 315 /* Volume Descriptor Pointer [3/10.3] */ 316 struct vol_desc_ptr { 317 struct desc_tag tag; /* use for extending the volume descriptor space */ 318 uint32_t vds_number; 319 struct extent_ad next_vds_ex; /* points to the next block for volume descriptor space */ 320 } __packed; 321 322 323 /* Primary Volume Descriptor [3/10.1] */ 324 struct pri_vol_desc { 325 struct desc_tag tag; 326 uint32_t seq_num; /* MAX prevail */ 327 uint32_t pvd_num; /* assigned by author; 0 is special as in it may only occure once */ 328 char vol_id[32]; /* KEY ; main identifier of this disc */ 329 uint16_t vds_num; /* volume descriptor number; i.e. what volume number is it */ 330 uint16_t max_vol_seq; /* maximum volume descriptor number known */ 331 uint16_t ichg_lvl; 332 uint16_t max_ichg_lvl; 333 uint32_t charset_list; 334 uint32_t max_charset_list; 335 char volset_id[128]; /* KEY ; if part of a multi-disc set or a band of volumes */ 336 struct charspec desc_charset; /* KEY according to ECMA 167 */ 337 struct charspec explanatory_charset; 338 struct extent_ad vol_abstract; 339 struct extent_ad vol_copyright; 340 struct regid app_id; 341 struct timestamp time; 342 struct regid imp_id; 343 uint8_t imp_use[64]; 344 uint32_t prev_vds_loc; /* location of predecessor _lov ? */ 345 uint16_t flags; /* bit 0 : if set indicates volume set name is meaningfull */ 346 uint8_t reserved[22]; 347 } __packed; 348 349 350 /* UDF specific implementation use part of the implementation use volume descriptor */ 351 struct udf_lv_info { 352 struct charspec lvi_charset; 353 char logvol_id[128]; 354 355 char lvinfo1[36]; 356 char lvinfo2[36]; 357 char lvinfo3[36]; 358 359 struct regid impl_id; 360 uint8_t impl_use[128]; 361 } __packed; 362 363 364 /* Implementation use Volume Descriptor */ 365 struct impvol_desc { 366 struct desc_tag tag; 367 uint32_t seq_num; 368 struct regid impl_id; 369 union { 370 struct udf_lv_info lv_info; 371 char impl_use[460]; 372 } __packed _impl_use; 373 } __packed; 374 375 376 /* Logical Volume Descriptor [3/10.6] */ 377 struct logvol_desc { 378 struct desc_tag tag; 379 uint32_t seq_num; /* MAX prevail */ 380 struct charspec desc_charset; /* KEY */ 381 char logvol_id[128]; /* KEY */ 382 uint32_t lb_size; 383 struct regid domain_id; 384 union { 385 struct long_ad fsd_loc; /* to fileset descriptor SEQUENCE */ 386 uint8_t logvol_content_use[16]; 387 } __packed _lvd_use; 388 uint32_t mt_l; /* Partition map length */ 389 uint32_t n_pm; /* Number of partition maps */ 390 struct regid imp_id; 391 uint8_t imp_use[128]; 392 struct extent_ad integrity_seq_loc; 393 uint8_t maps[1]; 394 } __packed; 395 #define lv_fsd_loc _lvd_use.fsd_loc 396 397 #define UDF_INTEGRITY_OPEN 0 398 #define UDF_INTEGRITY_CLOSED 1 399 400 401 #define UDF_PMAP_SIZE 64 402 403 /* Type 1 Partition Map [3/10.7.2] */ 404 struct part_map_1 { 405 uint8_t type; 406 uint8_t len; 407 uint16_t vol_seq_num; 408 uint16_t part_num; 409 } __packed; 410 411 412 /* Type 2 Partition Map [3/10.7.3] */ 413 struct part_map_2 { 414 uint8_t type; 415 uint8_t len; 416 uint8_t reserved[2]; 417 struct regid part_id; 418 uint16_t vol_seq_num; 419 uint16_t part_num; 420 uint8_t reserved2[24]; 421 } __packed; 422 423 424 /* Virtual Partition Map [UDF 2.01/2.2.8] */ 425 struct part_map_virt { 426 uint8_t type; 427 uint8_t len; 428 uint8_t reserved[2]; 429 struct regid id; 430 uint16_t vol_seq_num; 431 uint16_t part_num; 432 uint8_t reserved1[24]; 433 } __packed; 434 435 436 /* Sparable Partition Map [UDF 2.01/2.2.9] */ 437 struct part_map_spare { 438 uint8_t type; 439 uint8_t len; 440 uint8_t reserved[2]; 441 struct regid id; 442 uint16_t vol_seq_num; 443 uint16_t part_num; 444 uint16_t packet_len; 445 uint8_t n_st; /* Number of redundant sparing tables range 1-4 */ 446 uint8_t reserved1; 447 uint32_t st_size; /* size of EACH sparing table */ 448 uint32_t st_loc[1]; /* locations of sparing tables */ 449 } __packed; 450 451 452 /* Metadata Partition Map [UDF 2.50/2.2.10] */ 453 struct part_map_meta { 454 uint8_t type; 455 uint8_t len; 456 uint8_t reserved[2]; 457 struct regid id; 458 uint16_t vol_seq_num; 459 uint16_t part_num; 460 uint32_t meta_file_lbn; /* logical block number for file entry within part_num */ 461 uint32_t meta_mirror_file_lbn; 462 uint32_t meta_bitmap_file_lbn; 463 uint32_t alloc_unit_size; /* allocation unit size in blocks */ 464 uint16_t alignment_unit_size; /* alignment nessisary in blocks */ 465 uint8_t flags; 466 uint8_t reserved1[5]; 467 } __packed; 468 #define METADATA_DUPLICATED 1 469 470 471 union udf_pmap { 472 uint8_t data[UDF_PMAP_SIZE]; 473 struct part_map_1 pm1; 474 struct part_map_2 pm2; 475 struct part_map_virt pmv; 476 struct part_map_spare pms; 477 struct part_map_meta pmm; 478 } __packed; 479 480 481 /* Sparing Map Entry [UDF 2.01/2.2.11] */ 482 struct spare_map_entry { 483 uint32_t org; /* partion relative address */ 484 uint32_t map; /* absolute disc address (!) can be in partion, but doesn't have to be */ 485 } __packed; 486 487 488 /* Sparing Table [UDF 2.01/2.2.11] */ 489 struct udf_sparing_table { 490 struct desc_tag tag; 491 struct regid id; 492 uint16_t rt_l; /* Relocation Table len */ 493 uint8_t reserved[2]; 494 uint32_t seq_num; 495 struct spare_map_entry entries[1]; 496 } __packed; 497 498 499 #define UDF_NO_PREV_VAT 0xffffffff 500 /* UDF 1.50 VAT suffix [UDF 2.2.10 (UDF 1.50 spec)] */ 501 struct udf_oldvat_tail { 502 struct regid id; /* "*UDF Virtual Alloc Tbl" */ 503 uint32_t prev_vat; 504 } __packed; 505 506 507 /* VAT table [UDF 2.0.1/2.2.10] */ 508 struct udf_vat { 509 uint16_t header_len; 510 uint16_t impl_use_len; 511 char logvol_id[128]; /* newer version of the LVD one */ 512 uint32_t prev_vat; 513 uint32_t num_files; 514 uint32_t num_directories; 515 uint16_t min_udf_readver; 516 uint16_t min_udf_writever; 517 uint16_t max_udf_writever; 518 uint16_t reserved; 519 uint8_t data[1]; /* impl.use followed by VAT entries (uint32_t) */ 520 } __packed; 521 522 523 /* Space bitmap descriptor as found in the partition header descriptor */ 524 struct space_bitmap_desc { 525 struct desc_tag tag; /* TagId 264 */ 526 uint32_t num_bits; /* number of bits */ 527 uint32_t num_bytes; /* bytes that contain it */ 528 uint8_t data[1]; 529 } __packed; 530 531 532 /* Unalloc space entry as found in the partition header descriptor */ 533 struct space_entry_desc { 534 struct desc_tag tag; /* TagId 263 */ 535 struct icb_tag icbtag; /* type 1 */ 536 uint32_t l_ad; /* in bytes */ 537 uint8_t entry[1]; 538 } __packed; 539 540 541 /* Partition header descriptor; in the contents_use of part_desc */ 542 struct part_hdr_desc { 543 struct short_ad unalloc_space_table; 544 struct short_ad unalloc_space_bitmap; 545 struct short_ad part_integrety_table; /* has to be ZERO for UDF */ 546 struct short_ad freed_space_table; 547 struct short_ad freed_space_bitmap; 548 uint8_t reserved[88]; 549 } __packed; 550 551 552 /* Partition Descriptor [3/10.5] */ 553 struct part_desc { 554 struct desc_tag tag; 555 uint32_t seq_num; /* MAX prevailing */ 556 uint16_t flags; /* bit 0 : if set the space is allocated */ 557 uint16_t part_num; /* KEY */ 558 struct regid contents; 559 union { 560 struct part_hdr_desc part_hdr; 561 uint8_t contents_use[128]; 562 } _impl_use; 563 uint32_t access_type; /* R/W, WORM etc. */ 564 uint32_t start_loc; /* start of partion with given length */ 565 uint32_t part_len; 566 struct regid imp_id; 567 uint8_t imp_use[128]; 568 uint8_t reserved[156]; 569 } __packed; 570 #define pd_part_hdr _impl_use.part_hdr 571 #define UDF_PART_FLAG_ALLOCATED 1 572 573 574 /* Unallocated Space Descriptor (UDF 2.01/2.2.5) */ 575 struct unalloc_sp_desc { 576 struct desc_tag tag; 577 uint32_t seq_num; /* MAX prevailing */ 578 uint32_t alloc_desc_num; 579 struct extent_ad alloc_desc[1]; 580 } __packed; 581 582 583 /* Logical Volume Integrity Descriptor [3/30.10] */ 584 struct logvolhdr { 585 uint64_t next_unique_id; 586 /* rest reserved */ 587 } __packed; 588 589 590 struct udf_logvol_info { 591 struct regid impl_id; 592 uint32_t num_files; 593 uint32_t num_directories; 594 uint16_t min_udf_readver; 595 uint16_t min_udf_writever; 596 uint16_t max_udf_writever; 597 } __packed; 598 599 600 struct logvol_int_desc { 601 struct desc_tag tag; 602 struct timestamp time; 603 uint32_t integrity_type; 604 struct extent_ad next_extent; 605 union { 606 struct logvolhdr logvolhdr; 607 int8_t reserved[32]; 608 } __packed _impl_use; 609 uint32_t num_part; 610 uint32_t l_iu; 611 uint32_t tables[1]; /* Freespace table, Sizetable, Implementation use */ 612 } __packed; 613 #define lvint_next_unique_id _impl_use.logvolhdr.next_unique_id 614 615 616 /* File Set Descriptor [4/14.1] */ 617 struct fileset_desc { 618 struct desc_tag tag; 619 struct timestamp time; 620 uint16_t ichg_lvl; 621 uint16_t max_ichg_lvl; 622 uint32_t charset_list; 623 uint32_t max_charset_list; 624 uint32_t fileset_num; /* key! */ 625 uint32_t fileset_desc_num; 626 struct charspec logvol_id_charset; 627 char logvol_id[128]; /* for recovery */ 628 struct charspec fileset_charset; 629 char fileset_id[32]; /* Mountpoint !! */ 630 char copyright_file_id[32]; 631 char abstract_file_id[32]; 632 struct long_ad rootdir_icb; /* to rootdir; icb->virtual ? */ 633 struct regid domain_id; 634 struct long_ad next_ex; /* to the next fileset_desc extent */ 635 struct long_ad streamdir_icb; /* streamdir; needed? */ 636 uint8_t reserved[32]; 637 } __packed; 638 639 640 /* File Identifier Descriptor [4/14.4] */ 641 struct fileid_desc { 642 struct desc_tag tag; 643 uint16_t file_version_num; 644 uint8_t file_char; 645 uint8_t l_fi; /* Length of file identifier area */ 646 struct long_ad icb; 647 uint16_t l_iu; /* Length of implementation use area */ 648 uint8_t data[0]; 649 } __packed; 650 #define UDF_FID_SIZE 38 651 #define UDF_FILE_CHAR_VIS (1 << 0) /* Invisible */ 652 #define UDF_FILE_CHAR_DIR (1 << 1) /* Directory */ 653 #define UDF_FILE_CHAR_DEL (1 << 2) /* Deleted */ 654 #define UDF_FILE_CHAR_PAR (1 << 3) /* Parent Directory */ 655 #define UDF_FILE_CHAR_META (1 << 4) /* Stream metadata */ 656 657 658 /* Extended attributes [4/14.10.1] */ 659 struct extattrhdr_desc { 660 struct desc_tag tag; 661 uint32_t impl_attr_loc; /* offsets within this descriptor */ 662 uint32_t appl_attr_loc; /* ditto */ 663 } __packed; 664 #define UDF_IMPL_ATTR_LOC_NOT_PRESENT 0xffffffff 665 #define UDF_APPL_ATTR_LOC_NOT_PRESENT 0xffffffff 666 667 668 /* Extended attribute entry [4/48.10.2] */ 669 struct extattr_entry { 670 uint32_t type; 671 uint8_t subtype; 672 uint8_t reserved[3]; 673 uint32_t a_l; 674 } __packed; 675 676 677 /* Extended attribute entry; type 2048 [4/48.10.8] */ 678 struct impl_extattr_entry { 679 struct extattr_entry hdr; 680 uint32_t iu_l; 681 struct regid imp_id; 682 uint8_t data[1]; 683 } __packed; 684 685 686 /* Extended attribute entry; type 65 536 [4/48.10.9] */ 687 struct appl_extattr_entry { 688 struct extattr_entry hdr; 689 uint32_t au_l; 690 struct regid appl_id; 691 uint8_t data[1]; 692 } __packed; 693 694 695 /* File Times attribute entry; type 5 or type 6 [4/48.10.5], [4/48.10.6] */ 696 struct filetimes_extattr_entry { 697 struct extattr_entry hdr; 698 uint32_t d_l; /* length of times[] data following */ 699 uint32_t existence; /* bitmask */ 700 struct timestamp times[1]; /* in order of assending bits */ 701 } __packed; 702 #define UDF_FILETIMES_ATTR_NO 5 703 #define UDF_FILETIMES_FILE_CREATION 1 704 #define UDF_FILETIMES_FILE_DELETION 4 705 #define UDF_FILETIMES_FILE_EFFECTIVE 8 706 #define UDF_FILETIMES_FILE_BACKUPED 16 707 #define UDF_FILETIMES_ATTR_LEN(no) (16 + (no)*sizeof(struct timestamp)) 708 709 710 /* Device Specification Extended Attribute [4/4.10.7] */ 711 struct device_extattr_entry { 712 struct extattr_entry hdr; 713 uint32_t iu_l; /* length of implementation use */ 714 uint32_t major; 715 uint32_t minor; 716 uint8_t data[1]; /* UDF: if nonzero length, contain developer ID regid */ 717 } __packed; 718 #define UDF_DEVICESPEC_ATTR_NO 12 719 720 721 /* VAT LV extension Extended Attribute [UDF 3.3.4.5.1.3] 1.50 errata */ 722 struct vatlvext_extattr_entry { 723 uint64_t unique_id_chk; /* needs to be copy of ICB's */ 724 uint32_t num_files; 725 uint32_t num_directories; 726 char logvol_id[128]; /* replaces logvol name */ 727 } __packed; 728 729 730 /* File Entry [4/14.9] */ 731 struct file_entry { 732 struct desc_tag tag; 733 struct icb_tag icbtag; 734 uint32_t uid; 735 uint32_t gid; 736 uint32_t perm; 737 uint16_t link_cnt; 738 uint8_t rec_format; 739 uint8_t rec_disp_attr; 740 uint32_t rec_len; 741 uint64_t inf_len; 742 uint64_t logblks_rec; 743 struct timestamp atime; 744 struct timestamp mtime; 745 struct timestamp attrtime; 746 uint32_t ckpoint; 747 struct long_ad ex_attr_icb; 748 struct regid imp_id; 749 uint64_t unique_id; 750 uint32_t l_ea; /* Length of extended attribute area */ 751 uint32_t l_ad; /* Length of allocation descriptors */ 752 uint8_t data[1]; 753 } __packed; 754 #define UDF_FENTRY_SIZE 176 755 #define UDF_FENTRY_PERM_USER_MASK 0x07 756 #define UDF_FENTRY_PERM_GRP_MASK 0xE0 757 #define UDF_FENTRY_PERM_OWNER_MASK 0x1C00 758 759 760 /* Extended File Entry [4/48.17] */ 761 struct extfile_entry { 762 struct desc_tag tag; 763 struct icb_tag icbtag; 764 uint32_t uid; 765 uint32_t gid; 766 uint32_t perm; 767 uint16_t link_cnt; 768 uint8_t rec_format; 769 uint8_t rec_disp_attr; 770 uint32_t rec_len; 771 uint64_t inf_len; 772 uint64_t obj_size; 773 uint64_t logblks_rec; 774 struct timestamp atime; 775 struct timestamp mtime; 776 struct timestamp ctime; 777 struct timestamp attrtime; 778 uint32_t ckpoint; 779 uint32_t reserved1; 780 struct long_ad ex_attr_icb; 781 struct long_ad streamdir_icb; 782 struct regid imp_id; 783 uint64_t unique_id; 784 uint32_t l_ea; /* Length of extended attribute area */ 785 uint32_t l_ad; /* Length of allocation descriptors */ 786 uint8_t data[1]; 787 } __packed; 788 #define UDF_EXTFENTRY_SIZE 216 789 790 791 /* Indirect entry [ecma 48.7] */ 792 struct indirect_entry { 793 struct desc_tag tag; 794 struct icb_tag icbtag; 795 struct long_ad indirect_icb; 796 } __packed; 797 798 799 /* Allocation extent descriptor [ecma 48.5] */ 800 struct alloc_ext_entry { 801 struct desc_tag tag; 802 uint32_t prev_entry; 803 uint32_t l_ad; 804 uint8_t data[1]; 805 } __packed; 806 807 808 union dscrptr { 809 struct desc_tag tag; 810 struct anchor_vdp avdp; 811 struct vol_desc_ptr vdp; 812 struct pri_vol_desc pvd; 813 struct logvol_desc lvd; 814 struct unalloc_sp_desc usd; 815 struct logvol_int_desc lvid; 816 struct impvol_desc ivd; 817 struct part_desc pd; 818 struct fileset_desc fsd; 819 struct fileid_desc fid; 820 struct file_entry fe; 821 struct extfile_entry efe; 822 struct extattrhdr_desc eahd; 823 struct indirect_entry inde; 824 struct alloc_ext_entry aee; 825 struct udf_sparing_table spt; 826 struct space_bitmap_desc sbd; 827 struct space_entry_desc sed; 828 } __packed; 829 830 831 #endif /* !_FS_UDF_ECMA167_UDF_H_ */ 832 833
Indexes created Tue Sep 23 07:09:52 GMT 2025