ecma167-udf.h revision 1.13
1 /* $NetBSD: ecma167-udf.h,v 1.13 2009/12/23 09:17:41 mbalmer Exp $ */ 2 3 /*- 4 * Copyright (c) 2003, 2004, 2005, 2006, 2008, 2009 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 * origional by Scott Long. 33 * 34 * 20030508 Made some small typo and explainatory 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_INTEGRETY = 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, f.e. 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; harddisc f.e.*/ 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 (0<<30) 207 #define UDF_EXT_FREED (1<<30) 208 #define UDF_EXT_ALLOCATED_BUT_NOT_USED (1<<30) 209 #define UDF_EXT_FREE (2<<30) 210 #define UDF_EXT_REDIRECT (3<<30) 211 #define UDF_EXT_FLAGS(len) ((len) & (3<<30)) 212 #define UDF_EXT_LEN(len) ((len) & ((1<<30)-1)) 213 #define UDF_EXT_MAXLEN ((1<<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 uint8_t strat_param[2]; 268 uint16_t max_num_entries; 269 uint8_t reserved; 270 uint8_t file_type; 271 struct lb_addr parent_icb; 272 uint16_t flags; 273 } __packed; 274 #define UDF_ICB_TAG_FLAGS_ALLOC_MASK 0x03 275 #define UDF_ICB_SHORT_ALLOC 0x00 276 #define UDF_ICB_LONG_ALLOC 0x01 277 #define UDF_ICB_EXT_ALLOC 0x02 278 #define UDF_ICB_INTERN_ALLOC 0x03 279 280 #define UDF_ICB_TAG_FLAGS_DIRORDERED (1<< 3) 281 #define UDF_ICB_TAG_FLAGS_NONRELOC (1<< 4) 282 #define UDF_ICB_TAG_FLAGS_CONTIGUES (1<< 9) 283 #define UDF_ICB_TAG_FLAGS_MULTIPLEVERS (1<<12) 284 285 #define UDF_ICB_TAG_FLAGS_SETUID (1<< 6) 286 #define UDF_ICB_TAG_FLAGS_SETGID (1<< 7) 287 #define UDF_ICB_TAG_FLAGS_STICKY (1<< 8) 288 289 #define UDF_ICB_FILETYPE_UNKNOWN 0 290 #define UDF_ICB_FILETYPE_UNALLOCSPACE 1 291 #define UDF_ICB_FILETYPE_PARTINTEGRITY 2 292 #define UDF_ICB_FILETYPE_INDIRECTENTRY 3 293 #define UDF_ICB_FILETYPE_DIRECTORY 4 294 #define UDF_ICB_FILETYPE_RANDOMACCESS 5 295 #define UDF_ICB_FILETYPE_BLOCKDEVICE 6 296 #define UDF_ICB_FILETYPE_CHARDEVICE 7 297 #define UDF_ICB_FILETYPE_EXTATTRREC 8 298 #define UDF_ICB_FILETYPE_FIFO 9 299 #define UDF_ICB_FILETYPE_SOCKET 10 300 #define UDF_ICB_FILETYPE_TERM 11 301 #define UDF_ICB_FILETYPE_SYMLINK 12 302 #define UDF_ICB_FILETYPE_STREAMDIR 13 303 #define UDF_ICB_FILETYPE_VAT 248 304 #define UDF_ICB_FILETYPE_REALTIME 249 305 #define UDF_ICB_FILETYPE_META_MAIN 250 306 #define UDF_ICB_FILETYPE_META_MIRROR 251 307 #define UDF_ICB_FILETYPE_META_BITMAP 252 308 309 310 /* Anchor Volume Descriptor Pointer [3/10.2] */ 311 struct anchor_vdp { 312 struct desc_tag tag; 313 struct extent_ad main_vds_ex; /* to main volume descriptor set ; 16 sectors min */ 314 struct extent_ad reserve_vds_ex; /* copy of main volume descriptor set ; 16 sectors min */ 315 } __packed; 316 317 318 /* Volume Descriptor Pointer [3/10.3] */ 319 struct vol_desc_ptr { 320 struct desc_tag tag; /* use for extending the volume descriptor space */ 321 uint32_t vds_number; 322 struct extent_ad next_vds_ex; /* points to the next block for volume descriptor space */ 323 } __packed; 324 325 326 /* Primary Volume Descriptor [3/10.1] */ 327 struct pri_vol_desc { 328 struct desc_tag tag; 329 uint32_t seq_num; /* MAX prevail */ 330 uint32_t pvd_num; /* assigned by author; 0 is special as in it may only occure once */ 331 char vol_id[32]; /* KEY ; main identifier of this disc */ 332 uint16_t vds_num; /* volume descriptor number; i.e. what volume number is it */ 333 uint16_t max_vol_seq; /* maximum volume descriptor number known */ 334 uint16_t ichg_lvl; 335 uint16_t max_ichg_lvl; 336 uint32_t charset_list; 337 uint32_t max_charset_list; 338 char volset_id[128]; /* KEY ; if part of a multi-disc set or a band of volumes */ 339 struct charspec desc_charset; /* KEY according to ECMA 167 */ 340 struct charspec explanatory_charset; 341 struct extent_ad vol_abstract; 342 struct extent_ad vol_copyright; 343 struct regid app_id; 344 struct timestamp time; 345 struct regid imp_id; 346 uint8_t imp_use[64]; 347 uint32_t prev_vds_loc; /* location of predecessor _lov ? */ 348 uint16_t flags; /* bit 0 : if set indicates volume set name is meaningfull */ 349 uint8_t reserved[22]; 350 } __packed; 351 352 353 /* UDF specific implementation use part of the implementation use volume descriptor */ 354 struct udf_lv_info { 355 struct charspec lvi_charset; 356 char logvol_id[128]; 357 358 char lvinfo1[36]; 359 char lvinfo2[36]; 360 char lvinfo3[36]; 361 362 struct regid impl_id; 363 uint8_t impl_use[128]; 364 } __packed; 365 366 367 /* Implementation use Volume Descriptor */ 368 struct impvol_desc { 369 struct desc_tag tag; 370 uint32_t seq_num; 371 struct regid impl_id; 372 union { 373 struct udf_lv_info lv_info; 374 char impl_use[460]; 375 } _impl_use; 376 } __packed; 377 378 379 /* Logical Volume Descriptor [3/10.6] */ 380 struct logvol_desc { 381 struct desc_tag tag; 382 uint32_t seq_num; /* MAX prevail */ 383 struct charspec desc_charset; /* KEY */ 384 char logvol_id[128]; /* KEY */ 385 uint32_t lb_size; 386 struct regid domain_id; 387 union { 388 struct long_ad fsd_loc; /* to fileset descriptor SEQUENCE */ 389 uint8_t logvol_content_use[16]; 390 } _lvd_use; 391 uint32_t mt_l; /* Partition map length */ 392 uint32_t n_pm; /* Number of partition maps */ 393 struct regid imp_id; 394 uint8_t imp_use[128]; 395 struct extent_ad integrity_seq_loc; 396 uint8_t maps[1]; 397 } __packed; 398 #define lv_fsd_loc _lvd_use.fsd_loc 399 400 #define UDF_INTEGRITY_OPEN 0 401 #define UDF_INTEGRITY_CLOSED 1 402 403 404 #define UDF_PMAP_SIZE 64 405 406 /* Type 1 Partition Map [3/10.7.2] */ 407 struct part_map_1 { 408 uint8_t type; 409 uint8_t len; 410 uint16_t vol_seq_num; 411 uint16_t part_num; 412 } __packed; 413 414 415 /* Type 2 Partition Map [3/10.7.3] */ 416 struct part_map_2 { 417 uint8_t type; 418 uint8_t len; 419 uint8_t reserved[2]; 420 struct regid part_id; 421 uint16_t vol_seq_num; 422 uint16_t part_num; 423 uint8_t reserved2[24]; 424 } __packed; 425 426 427 /* Virtual Partition Map [UDF 2.01/2.2.8] */ 428 struct part_map_virt { 429 uint8_t type; 430 uint8_t len; 431 uint8_t reserved[2]; 432 struct regid id; 433 uint16_t vol_seq_num; 434 uint16_t part_num; 435 uint8_t reserved1[24]; 436 } __packed; 437 438 439 /* Sparable Partition Map [UDF 2.01/2.2.9] */ 440 struct part_map_spare { 441 uint8_t type; 442 uint8_t len; 443 uint8_t reserved[2]; 444 struct regid id; 445 uint16_t vol_seq_num; 446 uint16_t part_num; 447 uint16_t packet_len; 448 uint8_t n_st; /* Number of redundant sparing tables range 1-4 */ 449 uint8_t reserved1; 450 uint32_t st_size; /* size of EACH sparing table */ 451 uint32_t st_loc[1]; /* locations of sparing tables */ 452 } __packed; 453 454 455 /* Metadata Partition Map [UDF 2.50/2.2.10] */ 456 struct part_map_meta { 457 uint8_t type; 458 uint8_t len; 459 uint8_t reserved[2]; 460 struct regid id; 461 uint16_t vol_seq_num; 462 uint16_t part_num; 463 uint32_t meta_file_lbn; /* logical block number for file entry within part_num */ 464 uint32_t meta_mirror_file_lbn; 465 uint32_t meta_bitmap_file_lbn; 466 uint32_t alloc_unit_size; /* allocation unit size in blocks */ 467 uint16_t alignment_unit_size; /* alignment nessisary in blocks */ 468 uint8_t flags; 469 uint8_t reserved1[5]; 470 } __packed; 471 #define METADATA_DUPLICATED 1 472 473 474 union udf_pmap { 475 uint8_t data[UDF_PMAP_SIZE]; 476 struct part_map_1 pm1; 477 struct part_map_2 pm2; 478 struct part_map_virt pmv; 479 struct part_map_spare pms; 480 struct part_map_meta pmm; 481 }; 482 483 484 /* Sparing Map Entry [UDF 2.01/2.2.11] */ 485 struct spare_map_entry { 486 uint32_t org; /* partition relative address */ 487 uint32_t map; /* absolute disc address (!) can be in partition, but doesn't have to be */ 488 } __packed; 489 490 491 /* Sparing Table [UDF 2.01/2.2.11] */ 492 struct udf_sparing_table { 493 struct desc_tag tag; 494 struct regid id; 495 uint16_t rt_l; /* Relocation Table len */ 496 uint8_t reserved[2]; 497 uint32_t seq_num; 498 struct spare_map_entry entries[1]; 499 } __packed; 500 501 502 #define UDF_NO_PREV_VAT 0xffffffff 503 /* UDF 1.50 VAT suffix [UDF 2.2.10 (UDF 1.50 spec)] */ 504 struct udf_oldvat_tail { 505 struct regid id; /* "*UDF Virtual Alloc Tbl" */ 506 uint32_t prev_vat; 507 } __packed; 508 509 510 /* VAT table [UDF 2.0.1/2.2.10] */ 511 struct udf_vat { 512 uint16_t header_len; 513 uint16_t impl_use_len; 514 char logvol_id[128]; /* newer version of the LVD one */ 515 uint32_t prev_vat; 516 uint32_t num_files; 517 uint32_t num_directories; 518 uint16_t min_udf_readver; 519 uint16_t min_udf_writever; 520 uint16_t max_udf_writever; 521 uint16_t reserved; 522 uint8_t data[1]; /* impl.use followed by VAT entries (uint32_t) */ 523 } __packed; 524 525 526 /* Space bitmap descriptor as found in the partition header descriptor */ 527 struct space_bitmap_desc { 528 struct desc_tag tag; /* TagId 264 */ 529 uint32_t num_bits; /* number of bits */ 530 uint32_t num_bytes; /* bytes that contain it */ 531 uint8_t data[1]; 532 } __packed; 533 534 535 /* Unalloc space entry as found in the partition header descriptor */ 536 struct space_entry_desc { 537 struct desc_tag tag; /* TagId 263 */ 538 struct icb_tag icbtag; /* type 1 */ 539 uint32_t l_ad; /* in bytes */ 540 uint8_t entry[1]; 541 } __packed; 542 543 544 /* Partition header descriptor; in the contents_use of part_desc */ 545 struct part_hdr_desc { 546 struct short_ad unalloc_space_table; 547 struct short_ad unalloc_space_bitmap; 548 struct short_ad part_integrety_table; /* has to be ZERO for UDF */ 549 struct short_ad freed_space_table; 550 struct short_ad freed_space_bitmap; 551 uint8_t reserved[88]; 552 } __packed; 553 554 555 /* Partition Descriptor [3/10.5] */ 556 struct part_desc { 557 struct desc_tag tag; 558 uint32_t seq_num; /* MAX prevailing */ 559 uint16_t flags; /* bit 0 : if set the space is allocated */ 560 uint16_t part_num; /* KEY */ 561 struct regid contents; 562 union { 563 struct part_hdr_desc part_hdr; 564 uint8_t contents_use[128]; 565 } _impl_use; 566 uint32_t access_type; /* R/W, WORM etc. */ 567 uint32_t start_loc; /* start of partition with given length */ 568 uint32_t part_len; 569 struct regid imp_id; 570 uint8_t imp_use[128]; 571 uint8_t reserved[156]; 572 } __packed; 573 #define pd_part_hdr _impl_use.part_hdr 574 #define UDF_PART_FLAG_ALLOCATED 1 575 576 577 /* Unallocated Space Descriptor (UDF 2.01/2.2.5) */ 578 struct unalloc_sp_desc { 579 struct desc_tag tag; 580 uint32_t seq_num; /* MAX prevailing */ 581 uint32_t alloc_desc_num; 582 struct extent_ad alloc_desc[1]; 583 } __packed; 584 585 586 /* Logical Volume Integrity Descriptor [3/30.10] */ 587 struct logvolhdr { 588 uint64_t next_unique_id; 589 /* rest reserved */ 590 } __packed; 591 592 593 struct udf_logvol_info { 594 struct regid impl_id; 595 uint32_t num_files; 596 uint32_t num_directories; 597 uint16_t min_udf_readver; 598 uint16_t min_udf_writever; 599 uint16_t max_udf_writever; 600 } __packed; 601 602 603 struct logvol_int_desc { 604 struct desc_tag tag; 605 struct timestamp time; 606 uint32_t integrity_type; 607 struct extent_ad next_extent; 608 union { 609 struct logvolhdr logvolhdr; 610 int8_t reserved[32]; 611 } _impl_use; 612 uint32_t num_part; 613 uint32_t l_iu; 614 uint32_t tables[1]; /* Freespace table, Sizetable, Implementation use */ 615 } __packed; 616 #define lvint_next_unique_id _impl_use.logvolhdr.next_unique_id 617 618 619 /* File Set Descriptor [4/14.1] */ 620 struct fileset_desc { 621 struct desc_tag tag; 622 struct timestamp time; 623 uint16_t ichg_lvl; 624 uint16_t max_ichg_lvl; 625 uint32_t charset_list; 626 uint32_t max_charset_list; 627 uint32_t fileset_num; /* key! */ 628 uint32_t fileset_desc_num; 629 struct charspec logvol_id_charset; 630 char logvol_id[128]; /* for recovery */ 631 struct charspec fileset_charset; 632 char fileset_id[32]; /* Mountpoint !! */ 633 char copyright_file_id[32]; 634 char abstract_file_id[32]; 635 struct long_ad rootdir_icb; /* to rootdir; icb->virtual ? */ 636 struct regid domain_id; 637 struct long_ad next_ex; /* to the next fileset_desc extent */ 638 struct long_ad streamdir_icb; /* streamdir; needed? */ 639 uint8_t reserved[32]; 640 } __packed; 641 642 643 /* File Identifier Descriptor [4/14.4] */ 644 struct fileid_desc { 645 struct desc_tag tag; 646 uint16_t file_version_num; 647 uint8_t file_char; 648 uint8_t l_fi; /* Length of file identifier area */ 649 struct long_ad icb; 650 uint16_t l_iu; /* Length of implementation use area */ 651 uint8_t data[0]; 652 } __packed; 653 #define UDF_FID_SIZE 38 654 #define UDF_FILE_CHAR_VIS (1 << 0) /* Invisible */ 655 #define UDF_FILE_CHAR_DIR (1 << 1) /* Directory */ 656 #define UDF_FILE_CHAR_DEL (1 << 2) /* Deleted */ 657 #define UDF_FILE_CHAR_PAR (1 << 3) /* Parent Directory */ 658 #define UDF_FILE_CHAR_META (1 << 4) /* Stream metadata */ 659 660 661 /* Extended attributes [4/14.10.1] */ 662 struct extattrhdr_desc { 663 struct desc_tag tag; 664 uint32_t impl_attr_loc; /* offsets within this descriptor */ 665 uint32_t appl_attr_loc; /* ditto */ 666 } __packed; 667 #define UDF_IMPL_ATTR_LOC_NOT_PRESENT 0xffffffff 668 #define UDF_APPL_ATTR_LOC_NOT_PRESENT 0xffffffff 669 670 671 /* Extended attribute entry [4/48.10.2] */ 672 struct extattr_entry { 673 uint32_t type; 674 uint8_t subtype; 675 uint8_t reserved[3]; 676 uint32_t a_l; 677 } __packed; 678 679 680 /* Extended attribute entry; type 2048 [4/48.10.8] */ 681 struct impl_extattr_entry { 682 struct extattr_entry hdr; 683 uint32_t iu_l; 684 struct regid imp_id; 685 uint8_t data[1]; 686 } __packed; 687 688 689 /* Extended attribute entry; type 65 536 [4/48.10.9] */ 690 struct appl_extattr_entry { 691 struct extattr_entry hdr; 692 uint32_t au_l; 693 struct regid appl_id; 694 uint8_t data[1]; 695 } __packed; 696 697 698 /* File Times attribute entry; type 5 or type 6 [4/48.10.5], [4/48.10.6] */ 699 struct filetimes_extattr_entry { 700 struct extattr_entry hdr; 701 uint32_t d_l; /* length of times[] data following */ 702 uint32_t existence; /* bitmask */ 703 struct timestamp times[1]; /* in order of assending bits */ 704 } __packed; 705 #define UDF_FILETIMES_ATTR_NO 5 706 #define UDF_FILETIMES_FILE_CREATION 1 707 #define UDF_FILETIMES_FILE_DELETION 4 708 #define UDF_FILETIMES_FILE_EFFECTIVE 8 709 #define UDF_FILETIMES_FILE_BACKUPED 16 710 #define UDF_FILETIMES_ATTR_SIZE(no) (20 + (no)*sizeof(struct timestamp)) 711 712 713 /* Device Specification Extended Attribute [4/4.10.7] */ 714 struct device_extattr_entry { 715 struct extattr_entry hdr; 716 uint32_t iu_l; /* length of implementation use */ 717 uint32_t major; 718 uint32_t minor; 719 uint8_t data[1]; /* UDF: if nonzero length, contain developer ID regid */ 720 } __packed; 721 #define UDF_DEVICESPEC_ATTR_NO 12 722 723 724 /* VAT LV extension Extended Attribute [UDF 3.3.4.5.1.3] 1.50 errata */ 725 struct vatlvext_extattr_entry { 726 uint64_t unique_id_chk; /* needs to be copy of ICB's */ 727 uint32_t num_files; 728 uint32_t num_directories; 729 char logvol_id[128]; /* replaces logvol name */ 730 } __packed; 731 732 733 /* File Entry [4/14.9] */ 734 struct file_entry { 735 struct desc_tag tag; 736 struct icb_tag icbtag; 737 uint32_t uid; 738 uint32_t gid; 739 uint32_t perm; 740 uint16_t link_cnt; 741 uint8_t rec_format; 742 uint8_t rec_disp_attr; 743 uint32_t rec_len; 744 uint64_t inf_len; 745 uint64_t logblks_rec; 746 struct timestamp atime; 747 struct timestamp mtime; 748 struct timestamp attrtime; 749 uint32_t ckpoint; 750 struct long_ad ex_attr_icb; 751 struct regid imp_id; 752 uint64_t unique_id; 753 uint32_t l_ea; /* Length of extended attribute area */ 754 uint32_t l_ad; /* Length of allocation descriptors */ 755 uint8_t data[1]; 756 } __packed; 757 #define UDF_FENTRY_SIZE 176 758 #define UDF_FENTRY_PERM_USER_MASK 0x07 759 #define UDF_FENTRY_PERM_GRP_MASK 0xE0 760 #define UDF_FENTRY_PERM_OWNER_MASK 0x1C00 761 762 763 /* Extended File Entry [4/48.17] */ 764 struct extfile_entry { 765 struct desc_tag tag; 766 struct icb_tag icbtag; 767 uint32_t uid; 768 uint32_t gid; 769 uint32_t perm; 770 uint16_t link_cnt; 771 uint8_t rec_format; 772 uint8_t rec_disp_attr; 773 uint32_t rec_len; 774 uint64_t inf_len; 775 uint64_t obj_size; 776 uint64_t logblks_rec; 777 struct timestamp atime; 778 struct timestamp mtime; 779 struct timestamp ctime; 780 struct timestamp attrtime; 781 uint32_t ckpoint; 782 uint32_t reserved1; 783 struct long_ad ex_attr_icb; 784 struct long_ad streamdir_icb; 785 struct regid imp_id; 786 uint64_t unique_id; 787 uint32_t l_ea; /* Length of extended attribute area */ 788 uint32_t l_ad; /* Length of allocation descriptors */ 789 uint8_t data[1]; 790 } __packed; 791 #define UDF_EXTFENTRY_SIZE 216 792 793 794 /* Indirect entry [ecma 48.7] */ 795 struct indirect_entry { 796 struct desc_tag tag; 797 struct icb_tag icbtag; 798 struct long_ad indirect_icb; 799 } __packed; 800 801 802 /* Allocation extent descriptor [ecma 48.5] */ 803 struct alloc_ext_entry { 804 struct desc_tag tag; 805 uint32_t prev_entry; 806 uint32_t l_ad; 807 uint8_t data[1]; 808 } __packed; 809 810 811 union dscrptr { 812 struct desc_tag tag; 813 struct anchor_vdp avdp; 814 struct vol_desc_ptr vdp; 815 struct pri_vol_desc pvd; 816 struct logvol_desc lvd; 817 struct unalloc_sp_desc usd; 818 struct logvol_int_desc lvid; 819 struct impvol_desc ivd; 820 struct part_desc pd; 821 struct fileset_desc fsd; 822 struct fileid_desc fid; 823 struct file_entry fe; 824 struct extfile_entry efe; 825 struct extattrhdr_desc eahd; 826 struct indirect_entry inde; 827 struct alloc_ext_entry aee; 828 struct udf_sparing_table spt; 829 struct space_bitmap_desc sbd; 830 struct space_entry_desc sed; 831 }; 832 833 834 #endif /* !_FS_UDF_ECMA167_UDF_H_ */ 835 836
Indexes created Thu Sep 25 06:09:39 GMT 2025