ecma167-udf.h revision 1.17
1 /* $NetBSD: ecma167-udf.h,v 1.17 2022/03/18 16:06:18 reinoud Exp $ */ 2 3 /*- 4 * Copyright (c) 2003, 2004, 2005, 2006, 2008, 2009, 2017, 2018 5 * Reinoud Zandijk <reinoud (at) NetBSD.org> 6 * Copyright (c) 2001, 2002 Scott Long <scottl (at) freebsd.org> 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * 31 * Extended and adapted for UDFv2.50+ bij Reinoud Zandijk based on the 32 * original by Scott Long. 33 * 34 * 20030508 Made some small typo and explanatory comments 35 * 20030510 Added UDF 2.01 structures 36 * 20030519 Added/correct comments on multi-partitioned logical volume space 37 * 20050616 Added pseudo overwrite 38 * 20050624 Added the missing extended attribute types and `magic values'. 39 * 20051106 Reworked some implementation use parts 40 * 41 */ 42 43 44 #ifndef _FS_UDF_ECMA167_UDF_H_ 45 #define _FS_UDF_ECMA167_UDF_H_ 46 47 48 /* 49 * in case of an older gcc versions, define the __packed as explicit 50 * attribute 51 */ 52 53 /* 54 * You may specify the `aligned' and `transparent_union' attributes either in 55 * a `typedef' declaration or just past the closing curly brace of a complete 56 * enum, struct or union type _definition_ and the `packed' attribute only 57 * past the closing brace of a definition. You may also specify attributes 58 * between the enum, struct or union tag and the name of the type rather than 59 * after the closing brace. 60 */ 61 62 #ifndef __packed 63 #define __packed __attribute__((packed)) 64 #endif 65 66 67 /* ecma167-udf.h */ 68 69 /* Volume recognition sequence ECMA 167 rev. 3 16.1 */ 70 struct vrs_desc { 71 uint8_t struct_type; 72 uint8_t identifier[5]; 73 uint8_t version; 74 uint8_t data[2041]; 75 } __packed; 76 77 78 #define VRS_NSR02 "NSR02" 79 #define VRS_NSR03 "NSR03" 80 #define VRS_BEA01 "BEA01" 81 #define VRS_TEA01 "TEA01" 82 #define VRS_CD001 "CD001" 83 #define VRS_CDW02 "CDW02" 84 85 86 /* Structure/definitions/constants a la ECMA 167 rev. 3 */ 87 88 89 #define MAX_TAGID_VOLUMES 9 90 /* Tag identifiers */ 91 enum { 92 TAGID_SPARING_TABLE = 0, 93 TAGID_PRI_VOL = 1, 94 TAGID_ANCHOR = 2, 95 TAGID_VOL = 3, 96 TAGID_IMP_VOL = 4, 97 TAGID_PARTITION = 5, 98 TAGID_LOGVOL = 6, 99 TAGID_UNALLOC_SPACE = 7, 100 TAGID_TERM = 8, 101 TAGID_LOGVOL_INTEGRITY= 9, 102 TAGID_FSD = 256, 103 TAGID_FID = 257, 104 TAGID_ALLOCEXTENT = 258, 105 TAGID_INDIRECTENTRY = 259, 106 TAGID_ICB_TERM = 260, 107 TAGID_FENTRY = 261, 108 TAGID_EXTATTR_HDR = 262, 109 TAGID_UNALL_SP_ENTRY = 263, 110 TAGID_SPACE_BITMAP = 264, 111 TAGID_PART_INTEGRITY = 265, 112 TAGID_EXTFENTRY = 266, 113 TAGID_MAX = 266 114 }; 115 116 117 enum { 118 UDF_DOMAIN_FLAG_HARD_WRITE_PROTECT = 1, 119 UDF_DOMAIN_FLAG_SOFT_WRITE_PROTECT = 2 120 }; 121 122 123 enum { 124 UDF_ACCESSTYPE_NOT_SPECIFIED = 0, /* unknown */ 125 UDF_ACCESSTYPE_PSEUDO_OVERWITE = 0, /* pseudo overwritable, e.g. BD-R's LOW */ 126 UDF_ACCESSTYPE_READ_ONLY = 1, /* really only readable */ 127 UDF_ACCESSTYPE_WRITE_ONCE = 2, /* write once and you're done */ 128 UDF_ACCESSTYPE_REWRITEABLE = 3, /* may need extra work to rewrite */ 129 UDF_ACCESSTYPE_OVERWRITABLE = 4 /* no limits on rewriting; e.g. harddisc*/ 130 }; 131 132 133 /* Descriptor tag [3/7.2] */ 134 struct desc_tag { 135 uint16_t id; 136 uint16_t descriptor_ver; 137 uint8_t cksum; 138 uint8_t reserved; 139 uint16_t serial_num; 140 uint16_t desc_crc; 141 uint16_t desc_crc_len; 142 uint32_t tag_loc; 143 } __packed; 144 #define UDF_DESC_TAG_LENGTH 16 145 146 147 /* Recorded Address [4/7.1] */ 148 struct lb_addr { /* within partition space */ 149 uint32_t lb_num; 150 uint16_t part_num; 151 } __packed; 152 153 154 /* Extent Descriptor [3/7.1] */ 155 struct extent_ad { 156 uint32_t len; 157 uint32_t loc; 158 } __packed; 159 160 161 /* Short Allocation Descriptor [4/14.14.1] */ 162 struct short_ad { 163 uint32_t len; 164 uint32_t lb_num; 165 } __packed; 166 167 168 /* Long Allocation Descriptor [4/14.14.2] */ 169 struct UDF_ADImp_use { 170 uint16_t flags; 171 uint32_t unique_id; 172 } __packed; 173 #define UDF_ADIMP_FLAGS_EXTENT_ERASED 1 174 175 176 struct long_ad { 177 uint32_t len; 178 struct lb_addr loc; /* within a logical volume mapped partition space !! */ 179 union { 180 uint8_t bytes[6]; 181 struct UDF_ADImp_use im_used; 182 } impl; 183 } __packed; 184 #define longad_uniqueid impl.im_used.unique_id 185 186 187 /* Extended Allocation Descriptor [4/14.14.3] ; identifies an extent of allocation descriptors ; also in UDF ? */ 188 struct ext_ad { 189 uint32_t ex_len; 190 uint32_t rec_len; 191 uint32_t inf_len; 192 struct lb_addr ex_loc; 193 uint8_t reserved[2]; 194 } __packed; 195 196 197 /* ICB : Information Control Block; positioning */ 198 union icb { 199 struct short_ad s_ad; 200 struct long_ad l_ad; 201 struct ext_ad e_ad; 202 }; 203 204 205 /* short/long/ext extent have flags encoded in length */ 206 #define UDF_EXT_ALLOCATED (0U<<30) 207 #define UDF_EXT_FREED (1U<<30) 208 #define UDF_EXT_ALLOCATED_BUT_NOT_USED (1U<<30) 209 #define UDF_EXT_FREE (2U<<30) 210 #define UDF_EXT_REDIRECT (3U<<30) 211 #define UDF_EXT_FLAGS(len) ((len) & (3U<<30)) 212 #define UDF_EXT_LEN(len) ((len) & ((1U<<30)-1)) 213 #define UDF_EXT_MAXLEN ((1U<<30)-1) 214 215 216 /* Character set spec [1/7.2.1] */ 217 struct charspec { 218 uint8_t type; 219 uint8_t inf[63]; 220 } __packed; 221 222 223 struct pathcomp { 224 uint8_t type; 225 uint8_t l_ci; 226 uint16_t comp_filever; 227 uint8_t ident[256]; 228 } __packed; 229 #define UDF_PATH_COMP_SIZE 4 230 #define UDF_PATH_COMP_RESERVED 0 231 #define UDF_PATH_COMP_ROOT 1 232 #define UDF_PATH_COMP_MOUNTROOT 2 233 #define UDF_PATH_COMP_PARENTDIR 3 234 #define UDF_PATH_COMP_CURDIR 4 235 #define UDF_PATH_COMP_NAME 5 236 237 238 /* Timestamp [1/7.3] */ 239 struct timestamp { 240 uint16_t type_tz; 241 uint16_t year; 242 uint8_t month; 243 uint8_t day; 244 uint8_t hour; 245 uint8_t minute; 246 uint8_t second; 247 uint8_t centisec; 248 uint8_t hund_usec; 249 uint8_t usec; 250 } __packed; 251 #define UDF_TIMESTAMP_SIZE 12 252 253 254 /* Entity Identifier [1/7.4] */ 255 #define UDF_REGID_ID_SIZE 23 256 struct regid { 257 uint8_t flags; 258 uint8_t id[UDF_REGID_ID_SIZE]; 259 uint8_t id_suffix[8]; 260 } __packed; 261 262 263 /* ICB Tag [4/14.6] */ 264 struct icb_tag { 265 uint32_t prev_num_dirs; 266 uint16_t strat_type; 267 union { 268 uint8_t strat_param[2]; 269 uint16_t strat_param16; 270 }; 271 uint16_t max_num_entries; 272 uint8_t reserved; 273 uint8_t file_type; 274 struct lb_addr parent_icb; 275 uint16_t flags; 276 } __packed; 277 #define UDF_ICB_TAG_FLAGS_ALLOC_MASK 0x03 278 #define UDF_ICB_SHORT_ALLOC 0x00 279 #define UDF_ICB_LONG_ALLOC 0x01 280 #define UDF_ICB_EXT_ALLOC 0x02 281 #define UDF_ICB_INTERN_ALLOC 0x03 282 283 #define UDF_ICB_TAG_FLAGS_DIRORDERED (1<< 3) 284 #define UDF_ICB_TAG_FLAGS_NONRELOC (1<< 4) 285 #define UDF_ICB_TAG_FLAGS_CONTIGUES (1<< 9) 286 #define UDF_ICB_TAG_FLAGS_MULTIPLEVERS (1<<12) 287 288 #define UDF_ICB_TAG_FLAGS_SETUID (1<< 6) 289 #define UDF_ICB_TAG_FLAGS_SETGID (1<< 7) 290 #define UDF_ICB_TAG_FLAGS_STICKY (1<< 8) 291 292 #define UDF_ICB_FILETYPE_UNKNOWN 0 293 #define UDF_ICB_FILETYPE_UNALLOCSPACE 1 294 #define UDF_ICB_FILETYPE_PARTINTEGRITY 2 295 #define UDF_ICB_FILETYPE_INDIRECTENTRY 3 296 #define UDF_ICB_FILETYPE_DIRECTORY 4 297 #define UDF_ICB_FILETYPE_RANDOMACCESS 5 298 #define UDF_ICB_FILETYPE_BLOCKDEVICE 6 299 #define UDF_ICB_FILETYPE_CHARDEVICE 7 300 #define UDF_ICB_FILETYPE_EXTATTRREC 8 301 #define UDF_ICB_FILETYPE_FIFO 9 302 #define UDF_ICB_FILETYPE_SOCKET 10 303 #define UDF_ICB_FILETYPE_TERM 11 304 #define UDF_ICB_FILETYPE_SYMLINK 12 305 #define UDF_ICB_FILETYPE_STREAMDIR 13 306 #define UDF_ICB_FILETYPE_VAT 248 307 #define UDF_ICB_FILETYPE_REALTIME 249 308 #define UDF_ICB_FILETYPE_META_MAIN 250 309 #define UDF_ICB_FILETYPE_META_MIRROR 251 310 #define UDF_ICB_FILETYPE_META_BITMAP 252 311 312 313 /* Anchor Volume Descriptor Pointer [3/10.2] */ 314 struct anchor_vdp { 315 struct desc_tag tag; 316 struct extent_ad main_vds_ex; /* to main volume descriptor set ; 16 sectors min */ 317 struct extent_ad reserve_vds_ex; /* copy of main volume descriptor set ; 16 sectors min */ 318 } __packed; 319 320 321 /* Volume Descriptor Pointer [3/10.3] */ 322 struct vol_desc_ptr { 323 struct desc_tag tag; /* use for extending the volume descriptor space */ 324 uint32_t vds_number; 325 struct extent_ad next_vds_ex; /* points to the next block for volume descriptor space */ 326 } __packed; 327 328 329 /* Primary Volume Descriptor [3/10.1] */ 330 struct pri_vol_desc { 331 struct desc_tag tag; 332 uint32_t seq_num; /* MAX prevail */ 333 uint32_t pvd_num; /* assigned by author; 0 is special as in it may only occur once */ 334 char vol_id[32]; /* KEY ; main identifier of this disc */ 335 uint16_t vds_num; /* volume descriptor number; i.e. what volume number is it */ 336 uint16_t max_vol_seq; /* maximum volume descriptor number known */ 337 uint16_t ichg_lvl; 338 uint16_t max_ichg_lvl; 339 uint32_t charset_list; 340 uint32_t max_charset_list; 341 char volset_id[128]; /* KEY ; if part of a multi-disc set or a band of volumes */ 342 struct charspec desc_charset; /* KEY according to ECMA 167 */ 343 struct charspec explanatory_charset; 344 struct extent_ad vol_abstract; 345 struct extent_ad vol_copyright; 346 struct regid app_id; 347 struct timestamp time; 348 struct regid imp_id; 349 uint8_t imp_use[64]; 350 uint32_t prev_vds_loc; /* location of predecessor _lov ? */ 351 uint16_t flags; /* bit 0 : if set indicates volume set name is meaningful */ 352 uint8_t reserved[22]; 353 } __packed; 354 355 356 /* UDF specific implementation use part of the implementation use volume descriptor */ 357 struct udf_lv_info { 358 struct charspec lvi_charset; 359 char logvol_id[128]; 360 361 char lvinfo1[36]; 362 char lvinfo2[36]; 363 char lvinfo3[36]; 364 365 struct regid impl_id; 366 uint8_t impl_use[128]; 367 } __packed; 368 369 370 /* Implementation use Volume Descriptor */ 371 struct impvol_desc { 372 struct desc_tag tag; 373 uint32_t seq_num; 374 struct regid impl_id; 375 union { 376 struct udf_lv_info lv_info; 377 char impl_use[460]; 378 } _impl_use; 379 } __packed; 380 381 382 /* Logical Volume Descriptor [3/10.6] */ 383 struct logvol_desc { 384 struct desc_tag tag; 385 uint32_t seq_num; /* MAX prevail */ 386 struct charspec desc_charset; /* KEY */ 387 char logvol_id[128]; /* KEY */ 388 uint32_t lb_size; 389 struct regid domain_id; 390 union { 391 struct long_ad fsd_loc; /* to fileset descriptor SEQUENCE */ 392 uint8_t logvol_content_use[16]; 393 } _lvd_use; 394 uint32_t mt_l; /* Partition map length */ 395 uint32_t n_pm; /* Number of partition maps */ 396 struct regid imp_id; 397 uint8_t imp_use[128]; 398 struct extent_ad integrity_seq_loc; 399 uint8_t maps[1]; 400 } __packed; 401 #define lv_fsd_loc _lvd_use.fsd_loc 402 403 #define UDF_INTEGRITY_OPEN 0 404 #define UDF_INTEGRITY_CLOSED 1 405 406 407 #define UDF_PMAP_SIZE 64 408 409 /* Type 1 Partition Map [3/10.7.2] */ 410 struct part_map_1 { 411 uint8_t type; 412 uint8_t len; 413 uint16_t vol_seq_num; 414 uint16_t part_num; 415 } __packed; 416 417 418 /* Type 2 Partition Map [3/10.7.3] */ 419 struct part_map_2 { 420 uint8_t type; 421 uint8_t len; 422 uint8_t reserved[2]; 423 struct regid part_id; 424 uint16_t vol_seq_num; 425 uint16_t part_num; 426 uint8_t reserved2[24]; 427 } __packed; 428 429 430 /* Virtual Partition Map [UDF 2.01/2.2.8] */ 431 struct part_map_virt { 432 uint8_t type; 433 uint8_t len; 434 uint8_t reserved[2]; 435 struct regid id; 436 uint16_t vol_seq_num; 437 uint16_t part_num; 438 uint8_t reserved1[24]; 439 } __packed; 440 441 442 /* Sparable Partition Map [UDF 2.01/2.2.9] */ 443 struct part_map_spare { 444 uint8_t type; 445 uint8_t len; 446 uint8_t reserved[2]; 447 struct regid id; 448 uint16_t vol_seq_num; 449 uint16_t part_num; 450 uint16_t packet_len; 451 uint8_t n_st; /* Number of redundant sparing tables range 1-4 */ 452 uint8_t reserved1; 453 uint32_t st_size; /* size of EACH sparing table */ 454 uint32_t st_loc[1]; /* locations of sparing tables */ 455 } __packed; 456 457 458 /* Metadata Partition Map [UDF 2.50/2.2.10] */ 459 struct part_map_meta { 460 uint8_t type; 461 uint8_t len; 462 uint8_t reserved[2]; 463 struct regid id; 464 uint16_t vol_seq_num; 465 uint16_t part_num; 466 uint32_t meta_file_lbn; /* logical block number for file entry within part_num */ 467 uint32_t meta_mirror_file_lbn; 468 uint32_t meta_bitmap_file_lbn; 469 uint32_t alloc_unit_size; /* allocation unit size in blocks */ 470 uint16_t alignment_unit_size; /* alignment necessary in blocks */ 471 uint8_t flags; 472 uint8_t reserved1[5]; 473 } __packed; 474 #define METADATA_DUPLICATED 1 475 476 477 union udf_pmap { 478 uint8_t data[UDF_PMAP_SIZE]; 479 struct part_map_1 pm1; 480 struct part_map_2 pm2; 481 struct part_map_virt pmv; 482 struct part_map_spare pms; 483 struct part_map_meta pmm; 484 }; 485 486 487 /* Sparing Map Entry [UDF 2.01/2.2.11] */ 488 struct spare_map_entry { 489 uint32_t org; /* partition relative address */ 490 uint32_t map; /* absolute disc address (!) can be in partition, but doesn't have to be */ 491 } __packed; 492 493 494 /* Sparing Table [UDF 2.01/2.2.11] */ 495 struct udf_sparing_table { 496 struct desc_tag tag; 497 struct regid id; 498 uint16_t rt_l; /* Relocation Table len */ 499 uint8_t reserved[2]; 500 uint32_t seq_num; 501 struct spare_map_entry entries[1]; 502 } __packed; 503 504 505 #define UDF_NO_PREV_VAT 0xffffffff 506 /* UDF 1.50 VAT suffix [UDF 2.2.10 (UDF 1.50 spec)] */ 507 struct udf_oldvat_tail { 508 struct regid id; /* "*UDF Virtual Alloc Tbl" */ 509 uint32_t prev_vat; 510 } __packed; 511 512 513 /* VAT table [UDF 2.0.1/2.2.10] */ 514 struct udf_vat { 515 uint16_t header_len; 516 uint16_t impl_use_len; 517 char logvol_id[128]; /* newer version of the LVD one */ 518 uint32_t prev_vat; 519 uint32_t num_files; 520 uint32_t num_directories; 521 uint16_t min_udf_readver; 522 uint16_t min_udf_writever; 523 uint16_t max_udf_writever; 524 uint16_t reserved; 525 uint8_t data[1]; /* impl.use followed by VAT entries (uint32_t) */ 526 } __packed; 527 528 529 /* Space bitmap descriptor as found in the partition header descriptor */ 530 struct space_bitmap_desc { 531 struct desc_tag tag; /* TagId 264 */ 532 uint32_t num_bits; /* number of bits */ 533 uint32_t num_bytes; /* bytes that contain it */ 534 uint8_t data[1]; 535 } __packed; 536 537 538 /* Unalloc space entry as found in the partition header descriptor */ 539 struct space_entry_desc { 540 struct desc_tag tag; /* TagId 263 */ 541 struct icb_tag icbtag; /* type 1 */ 542 uint32_t l_ad; /* in bytes */ 543 uint8_t entry[1]; 544 } __packed; 545 546 547 /* Partition header descriptor; in the contents_use of part_desc */ 548 struct part_hdr_desc { 549 struct short_ad unalloc_space_table; 550 struct short_ad unalloc_space_bitmap; 551 struct short_ad part_integrity_table; /* has to be ZERO for UDF */ 552 struct short_ad freed_space_table; 553 struct short_ad freed_space_bitmap; 554 uint8_t reserved[88]; 555 } __packed; 556 557 558 /* Partition Descriptor [3/10.5] */ 559 struct part_desc { 560 struct desc_tag tag; 561 uint32_t seq_num; /* MAX prevailing */ 562 uint16_t flags; /* bit 0 : if set the space is allocated */ 563 uint16_t part_num; /* KEY */ 564 struct regid contents; 565 union { 566 struct part_hdr_desc part_hdr; 567 uint8_t contents_use[128]; 568 } _impl_use; 569 uint32_t access_type; /* R/W, WORM etc. */ 570 uint32_t start_loc; /* start of partition with given length */ 571 uint32_t part_len; 572 struct regid imp_id; 573 uint8_t imp_use[128]; 574 uint8_t reserved[156]; 575 } __packed; 576 #define pd_part_hdr _impl_use.part_hdr 577 #define UDF_PART_FLAG_ALLOCATED 1 578 579 580 /* Unallocated Space Descriptor (UDF 2.01/2.2.5) */ 581 struct unalloc_sp_desc { 582 struct desc_tag tag; 583 uint32_t seq_num; /* MAX prevailing */ 584 uint32_t alloc_desc_num; 585 struct extent_ad alloc_desc[1]; 586 } __packed; 587 588 589 /* Logical Volume Integrity Descriptor [3/30.10] */ 590 struct logvolhdr { 591 uint64_t next_unique_id; 592 /* rest reserved */ 593 } __packed; 594 595 596 struct udf_logvol_info { 597 struct regid impl_id; 598 uint32_t num_files; 599 uint32_t num_directories; 600 uint16_t min_udf_readver; 601 uint16_t min_udf_writever; 602 uint16_t max_udf_writever; 603 } __packed; 604 605 606 struct logvol_int_desc { 607 struct desc_tag tag; 608 struct timestamp time; 609 uint32_t integrity_type; 610 struct extent_ad next_extent; 611 union { 612 struct logvolhdr logvolhdr; 613 int8_t reserved[32]; 614 } _impl_use; 615 uint32_t num_part; 616 uint32_t l_iu; 617 uint32_t tables[1]; /* Freespace table, Sizetable, Implementation use */ 618 } __packed; 619 #define lvint_next_unique_id _impl_use.logvolhdr.next_unique_id 620 621 622 /* File Set Descriptor [4/14.1] */ 623 struct fileset_desc { 624 struct desc_tag tag; 625 struct timestamp time; 626 uint16_t ichg_lvl; 627 uint16_t max_ichg_lvl; 628 uint32_t charset_list; 629 uint32_t max_charset_list; 630 uint32_t fileset_num; /* key! */ 631 uint32_t fileset_desc_num; 632 struct charspec logvol_id_charset; 633 char logvol_id[128]; /* for recovery */ 634 struct charspec fileset_charset; 635 char fileset_id[32]; /* Mountpoint !! */ 636 char copyright_file_id[32]; 637 char abstract_file_id[32]; 638 struct long_ad rootdir_icb; /* to rootdir; icb->virtual ? */ 639 struct regid domain_id; 640 struct long_ad next_ex; /* to the next fileset_desc extent */ 641 struct long_ad streamdir_icb; /* streamdir; needed? */ 642 uint8_t reserved[32]; 643 } __packed; 644 645 646 /* File Identifier Descriptor [4/14.4] */ 647 struct fileid_desc { 648 struct desc_tag tag; 649 uint16_t file_version_num; 650 uint8_t file_char; 651 uint8_t l_fi; /* Length of file identifier area */ 652 struct long_ad icb; 653 uint16_t l_iu; /* Length of implementation use area */ 654 uint8_t data[1]; 655 } __packed; 656 #define UDF_FID_SIZE 38 657 #define UDF_FILE_CHAR_VIS (1 << 0) /* Invisible */ 658 #define UDF_FILE_CHAR_DIR (1 << 1) /* Directory */ 659 #define UDF_FILE_CHAR_DEL (1 << 2) /* Deleted */ 660 #define UDF_FILE_CHAR_PAR (1 << 3) /* Parent Directory */ 661 #define UDF_FILE_CHAR_META (1 << 4) /* Stream metadata */ 662 663 664 /* Extended attributes [4/14.10.1] */ 665 struct extattrhdr_desc { 666 struct desc_tag tag; 667 uint32_t impl_attr_loc; /* offsets within this descriptor */ 668 uint32_t appl_attr_loc; /* ditto */ 669 } __packed; 670 #define UDF_IMPL_ATTR_LOC_NOT_PRESENT 0xffffffff 671 #define UDF_APPL_ATTR_LOC_NOT_PRESENT 0xffffffff 672 673 674 /* Extended attribute entry [4/48.10.2] */ 675 struct extattr_entry { 676 uint32_t type; 677 uint8_t subtype; 678 uint8_t reserved[3]; 679 uint32_t a_l; 680 } __packed; 681 682 683 /* Extended attribute entry; type 2048 [4/48.10.8] */ 684 struct impl_extattr_entry { 685 struct extattr_entry hdr; 686 uint32_t iu_l; 687 struct regid imp_id; 688 union { 689 uint8_t data[1]; 690 uint16_t data16; 691 }; 692 } __packed; 693 694 695 /* Extended attribute entry; type 65 536 [4/48.10.9] */ 696 struct appl_extattr_entry { 697 struct extattr_entry hdr; 698 uint32_t au_l; 699 struct regid appl_id; 700 uint8_t data[1]; 701 } __packed; 702 703 704 /* File Times attribute entry; type 5 or type 6 [4/48.10.5], [4/48.10.6] */ 705 struct filetimes_extattr_entry { 706 struct extattr_entry hdr; 707 uint32_t d_l; /* length of times[] data following */ 708 uint32_t existence; /* bitmask */ 709 struct timestamp times[1]; /* in order of ascending bits */ 710 } __packed; 711 #define UDF_FILETIMES_ATTR_NO 5 712 #define UDF_FILETIMES_FILE_CREATION 1 713 #define UDF_FILETIMES_FILE_DELETION 4 714 #define UDF_FILETIMES_FILE_EFFECTIVE 8 715 #define UDF_FILETIMES_FILE_BACKUPED 16 716 #define UDF_FILETIMES_ATTR_SIZE(no) (20 + (no)*sizeof(struct timestamp)) 717 718 719 /* Device Specification Extended Attribute [4/4.10.7] */ 720 struct device_extattr_entry { 721 struct extattr_entry hdr; 722 uint32_t iu_l; /* length of implementation use */ 723 uint32_t major; 724 uint32_t minor; 725 uint8_t data[1]; /* UDF: if nonzero length, contain developer ID regid */ 726 } __packed; 727 #define UDF_DEVICESPEC_ATTR_NO 12 728 729 730 /* VAT LV extension Extended Attribute [UDF 3.3.4.5.1.3] 1.50 errata */ 731 struct vatlvext_extattr_entry { 732 uint64_t unique_id_chk; /* needs to be copy of ICB's */ 733 uint32_t num_files; 734 uint32_t num_directories; 735 char logvol_id[128]; /* replaces logvol name */ 736 } __packed; 737 738 739 /* File Entry [4/14.9] */ 740 struct file_entry { 741 struct desc_tag tag; 742 struct icb_tag icbtag; 743 uint32_t uid; 744 uint32_t gid; 745 uint32_t perm; 746 uint16_t link_cnt; 747 uint8_t rec_format; 748 uint8_t rec_disp_attr; 749 uint32_t rec_len; 750 uint64_t inf_len; 751 uint64_t logblks_rec; 752 struct timestamp atime; 753 struct timestamp mtime; 754 struct timestamp attrtime; 755 uint32_t ckpoint; 756 struct long_ad ex_attr_icb; 757 struct regid imp_id; 758 uint64_t unique_id; 759 uint32_t l_ea; /* Length of extended attribute area */ 760 uint32_t l_ad; /* Length of allocation descriptors */ 761 uint8_t data[1]; 762 } __packed; 763 #define UDF_FENTRY_SIZE 176 764 #define UDF_FENTRY_PERM_USER_MASK 0x07 765 #define UDF_FENTRY_PERM_GRP_MASK 0xE0 766 #define UDF_FENTRY_PERM_OWNER_MASK 0x1C00 767 768 769 /* Extended File Entry [4/48.17] */ 770 struct extfile_entry { 771 struct desc_tag tag; 772 struct icb_tag icbtag; 773 uint32_t uid; 774 uint32_t gid; 775 uint32_t perm; 776 uint16_t link_cnt; 777 uint8_t rec_format; 778 uint8_t rec_disp_attr; 779 uint32_t rec_len; 780 uint64_t inf_len; 781 uint64_t obj_size; 782 uint64_t logblks_rec; 783 struct timestamp atime; 784 struct timestamp mtime; 785 struct timestamp ctime; 786 struct timestamp attrtime; 787 uint32_t ckpoint; 788 uint32_t reserved1; 789 struct long_ad ex_attr_icb; 790 struct long_ad streamdir_icb; 791 struct regid imp_id; 792 uint64_t unique_id; 793 uint32_t l_ea; /* Length of extended attribute area */ 794 uint32_t l_ad; /* Length of allocation descriptors */ 795 uint8_t data[1]; 796 } __packed; 797 #define UDF_EXTFENTRY_SIZE 216 798 799 800 /* Indirect entry [ecma 48.7] */ 801 struct indirect_entry { 802 struct desc_tag tag; 803 struct icb_tag icbtag; 804 struct long_ad indirect_icb; 805 } __packed; 806 807 808 /* Allocation extent descriptor [ecma 48.5] */ 809 struct alloc_ext_entry { 810 struct desc_tag tag; 811 uint32_t prev_entry; 812 uint32_t l_ad; 813 uint8_t data[1]; 814 } __packed; 815 816 817 union dscrptr { 818 struct desc_tag tag; 819 struct anchor_vdp avdp; 820 struct vol_desc_ptr vdp; 821 struct pri_vol_desc pvd; 822 struct logvol_desc lvd; 823 struct unalloc_sp_desc usd; 824 struct logvol_int_desc lvid; 825 struct impvol_desc ivd; 826 struct part_desc pd; 827 struct fileset_desc fsd; 828 struct fileid_desc fid; 829 struct file_entry fe; 830 struct extfile_entry efe; 831 struct extattrhdr_desc eahd; 832 struct indirect_entry inde; 833 struct alloc_ext_entry aee; 834 struct udf_sparing_table spt; 835 struct space_bitmap_desc sbd; 836 struct space_entry_desc sed; 837 }; 838 839 840 #endif /* !_FS_UDF_ECMA167_UDF_H_ */ 841
Indexes created Wed Sep 24 05:09:52 GMT 2025