ecma167-udf.h revision 1.8.2.2
1 /* $NetBSD: ecma167-udf.h,v 1.8.2.2 2008/07/28 14:37:35 simonb 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 #define UDF_TIMESTAMP_SIZE 12 251 252 253 /* Entity Identifier [1/7.4] */ 254 #define UDF_REGID_ID_SIZE 23 255 struct regid { 256 uint8_t flags; 257 uint8_t id[UDF_REGID_ID_SIZE]; 258 uint8_t id_suffix[8]; 259 } __packed; 260 261 262 /* ICB Tag [4/14.6] */ 263 struct icb_tag { 264 uint32_t prev_num_dirs; 265 uint16_t strat_type; 266 uint8_t strat_param[2]; 267 uint16_t max_num_entries; 268 uint8_t reserved; 269 uint8_t file_type; 270 struct lb_addr parent_icb; 271 uint16_t flags; 272 } __packed; 273 #define UDF_ICB_TAG_FLAGS_ALLOC_MASK 0x03 274 #define UDF_ICB_SHORT_ALLOC 0x00 275 #define UDF_ICB_LONG_ALLOC 0x01 276 #define UDF_ICB_EXT_ALLOC 0x02 277 #define UDF_ICB_INTERN_ALLOC 0x03 278 279 #define UDF_ICB_TAG_FLAGS_DIRORDERED (1<< 3) 280 #define UDF_ICB_TAG_FLAGS_NONRELOC (1<< 4) 281 #define UDF_ICB_TAG_FLAGS_CONTIGUES (1<< 9) 282 #define UDF_ICB_TAG_FLAGS_MULTIPLEVERS (1<<12) 283 284 #define UDF_ICB_TAG_FLAGS_SETUID (1<< 6) 285 #define UDF_ICB_TAG_FLAGS_SETGID (1<< 7) 286 #define UDF_ICB_TAG_FLAGS_STICKY (1<< 8) 287 288 #define UDF_ICB_FILETYPE_UNKNOWN 0 289 #define UDF_ICB_FILETYPE_UNALLOCSPACE 1 290 #define UDF_ICB_FILETYPE_PARTINTEGRITY 2 291 #define UDF_ICB_FILETYPE_INDIRECTENTRY 3 292 #define UDF_ICB_FILETYPE_DIRECTORY 4 293 #define UDF_ICB_FILETYPE_RANDOMACCESS 5 294 #define UDF_ICB_FILETYPE_BLOCKDEVICE 6 295 #define UDF_ICB_FILETYPE_CHARDEVICE 7 296 #define UDF_ICB_FILETYPE_EXTATTRREC 8 297 #define UDF_ICB_FILETYPE_FIFO 9 298 #define UDF_ICB_FILETYPE_SOCKET 10 299 #define UDF_ICB_FILETYPE_TERM 11 300 #define UDF_ICB_FILETYPE_SYMLINK 12 301 #define UDF_ICB_FILETYPE_STREAMDIR 13 302 #define UDF_ICB_FILETYPE_VAT 248 303 #define UDF_ICB_FILETYPE_REALTIME 249 304 #define UDF_ICB_FILETYPE_META_MAIN 250 305 #define UDF_ICB_FILETYPE_META_MIRROR 251 306 #define UDF_ICB_FILETYPE_META_BITMAP 252 307 308 309 /* Anchor Volume Descriptor Pointer [3/10.2] */ 310 struct anchor_vdp { 311 struct desc_tag tag; 312 struct extent_ad main_vds_ex; /* to main volume descriptor set ; 16 sectors min */ 313 struct extent_ad reserve_vds_ex; /* copy of main volume descriptor set ; 16 sectors min */ 314 } __packed; 315 316 317 /* Volume Descriptor Pointer [3/10.3] */ 318 struct vol_desc_ptr { 319 struct desc_tag tag; /* use for extending the volume descriptor space */ 320 uint32_t vds_number; 321 struct extent_ad next_vds_ex; /* points to the next block for volume descriptor space */ 322 } __packed; 323 324 325 /* Primary Volume Descriptor [3/10.1] */ 326 struct pri_vol_desc { 327 struct desc_tag tag; 328 uint32_t seq_num; /* MAX prevail */ 329 uint32_t pvd_num; /* assigned by author; 0 is special as in it may only occure once */ 330 char vol_id[32]; /* KEY ; main identifier of this disc */ 331 uint16_t vds_num; /* volume descriptor number; i.e. what volume number is it */ 332 uint16_t max_vol_seq; /* maximum volume descriptor number known */ 333 uint16_t ichg_lvl; 334 uint16_t max_ichg_lvl; 335 uint32_t charset_list; 336 uint32_t max_charset_list; 337 char volset_id[128]; /* KEY ; if part of a multi-disc set or a band of volumes */ 338 struct charspec desc_charset; /* KEY according to ECMA 167 */ 339 struct charspec explanatory_charset; 340 struct extent_ad vol_abstract; 341 struct extent_ad vol_copyright; 342 struct regid app_id; 343 struct timestamp time; 344 struct regid imp_id; 345 uint8_t imp_use[64]; 346 uint32_t prev_vds_loc; /* location of predecessor _lov ? */ 347 uint16_t flags; /* bit 0 : if set indicates volume set name is meaningfull */ 348 uint8_t reserved[22]; 349 } __packed; 350 351 352 /* UDF specific implementation use part of the implementation use volume descriptor */ 353 struct udf_lv_info { 354 struct charspec lvi_charset; 355 char logvol_id[128]; 356 357 char lvinfo1[36]; 358 char lvinfo2[36]; 359 char lvinfo3[36]; 360 361 struct regid impl_id; 362 uint8_t impl_use[128]; 363 } __packed; 364 365 366 /* Implementation use Volume Descriptor */ 367 struct impvol_desc { 368 struct desc_tag tag; 369 uint32_t seq_num; 370 struct regid impl_id; 371 union { 372 struct udf_lv_info lv_info; 373 char impl_use[460]; 374 } __packed _impl_use; 375 } __packed; 376 377 378 /* Logical Volume Descriptor [3/10.6] */ 379 struct logvol_desc { 380 struct desc_tag tag; 381 uint32_t seq_num; /* MAX prevail */ 382 struct charspec desc_charset; /* KEY */ 383 char logvol_id[128]; /* KEY */ 384 uint32_t lb_size; 385 struct regid domain_id; 386 union { 387 struct long_ad fsd_loc; /* to fileset descriptor SEQUENCE */ 388 uint8_t logvol_content_use[16]; 389 } __packed _lvd_use; 390 uint32_t mt_l; /* Partition map length */ 391 uint32_t n_pm; /* Number of partition maps */ 392 struct regid imp_id; 393 uint8_t imp_use[128]; 394 struct extent_ad integrity_seq_loc; 395 uint8_t maps[1]; 396 } __packed; 397 #define lv_fsd_loc _lvd_use.fsd_loc 398 399 #define UDF_INTEGRITY_OPEN 0 400 #define UDF_INTEGRITY_CLOSED 1 401 402 403 #define UDF_PMAP_SIZE 64 404 405 /* Type 1 Partition Map [3/10.7.2] */ 406 struct part_map_1 { 407 uint8_t type; 408 uint8_t len; 409 uint16_t vol_seq_num; 410 uint16_t part_num; 411 } __packed; 412 413 414 /* Type 2 Partition Map [3/10.7.3] */ 415 struct part_map_2 { 416 uint8_t type; 417 uint8_t len; 418 uint8_t reserved[2]; 419 struct regid part_id; 420 uint16_t vol_seq_num; 421 uint16_t part_num; 422 uint8_t reserved2[24]; 423 } __packed; 424 425 426 /* Virtual Partition Map [UDF 2.01/2.2.8] */ 427 struct part_map_virt { 428 uint8_t type; 429 uint8_t len; 430 uint8_t reserved[2]; 431 struct regid id; 432 uint16_t vol_seq_num; 433 uint16_t part_num; 434 uint8_t reserved1[24]; 435 } __packed; 436 437 438 /* Sparable Partition Map [UDF 2.01/2.2.9] */ 439 struct part_map_spare { 440 uint8_t type; 441 uint8_t len; 442 uint8_t reserved[2]; 443 struct regid id; 444 uint16_t vol_seq_num; 445 uint16_t part_num; 446 uint16_t packet_len; 447 uint8_t n_st; /* Number of redundant sparing tables range 1-4 */ 448 uint8_t reserved1; 449 uint32_t st_size; /* size of EACH sparing table */ 450 uint32_t st_loc[1]; /* locations of sparing tables */ 451 } __packed; 452 453 454 /* Metadata Partition Map [UDF 2.50/2.2.10] */ 455 struct part_map_meta { 456 uint8_t type; 457 uint8_t len; 458 uint8_t reserved[2]; 459 struct regid id; 460 uint16_t vol_seq_num; 461 uint16_t part_num; 462 uint32_t meta_file_lbn; /* logical block number for file entry within part_num */ 463 uint32_t meta_mirror_file_lbn; 464 uint32_t meta_bitmap_file_lbn; 465 uint32_t alloc_unit_size; /* allocation unit size in blocks */ 466 uint16_t alignment_unit_size; /* alignment nessisary in blocks */ 467 uint8_t flags; 468 uint8_t reserved1[5]; 469 } __packed; 470 #define METADATA_DUPLICATED 1 471 472 473 union udf_pmap { 474 uint8_t data[UDF_PMAP_SIZE]; 475 struct part_map_1 pm1; 476 struct part_map_2 pm2; 477 struct part_map_virt pmv; 478 struct part_map_spare pms; 479 struct part_map_meta pmm; 480 } __packed; 481 482 483 /* Sparing Map Entry [UDF 2.01/2.2.11] */ 484 struct spare_map_entry { 485 uint32_t org; /* partion relative address */ 486 uint32_t map; /* absolute disc address (!) can be in partion, but doesn't have to be */ 487 } __packed; 488 489 490 /* Sparing Table [UDF 2.01/2.2.11] */ 491 struct udf_sparing_table { 492 struct desc_tag tag; 493 struct regid id; 494 uint16_t rt_l; /* Relocation Table len */ 495 uint8_t reserved[2]; 496 uint32_t seq_num; 497 struct spare_map_entry entries[1]; 498 } __packed; 499 500 501 #define UDF_NO_PREV_VAT 0xffffffff 502 /* UDF 1.50 VAT suffix [UDF 2.2.10 (UDF 1.50 spec)] */ 503 struct udf_oldvat_tail { 504 struct regid id; /* "*UDF Virtual Alloc Tbl" */ 505 uint32_t prev_vat; 506 } __packed; 507 508 509 /* VAT table [UDF 2.0.1/2.2.10] */ 510 struct udf_vat { 511 uint16_t header_len; 512 uint16_t impl_use_len; 513 char logvol_id[128]; /* newer version of the LVD one */ 514 uint32_t prev_vat; 515 uint32_t num_files; 516 uint32_t num_directories; 517 uint16_t min_udf_readver; 518 uint16_t min_udf_writever; 519 uint16_t max_udf_writever; 520 uint16_t reserved; 521 uint8_t data[1]; /* impl.use followed by VAT entries (uint32_t) */ 522 } __packed; 523 524 525 /* Space bitmap descriptor as found in the partition header descriptor */ 526 struct space_bitmap_desc { 527 struct desc_tag tag; /* TagId 264 */ 528 uint32_t num_bits; /* number of bits */ 529 uint32_t num_bytes; /* bytes that contain it */ 530 uint8_t data[1]; 531 } __packed; 532 533 534 /* Unalloc space entry as found in the partition header descriptor */ 535 struct space_entry_desc { 536 struct desc_tag tag; /* TagId 263 */ 537 struct icb_tag icbtag; /* type 1 */ 538 uint32_t l_ad; /* in bytes */ 539 uint8_t entry[1]; 540 } __packed; 541 542 543 /* Partition header descriptor; in the contents_use of part_desc */ 544 struct part_hdr_desc { 545 struct short_ad unalloc_space_table; 546 struct short_ad unalloc_space_bitmap; 547 struct short_ad part_integrety_table; /* has to be ZERO for UDF */ 548 struct short_ad freed_space_table; 549 struct short_ad freed_space_bitmap; 550 uint8_t reserved[88]; 551 } __packed; 552 553 554 /* Partition Descriptor [3/10.5] */ 555 struct part_desc { 556 struct desc_tag tag; 557 uint32_t seq_num; /* MAX prevailing */ 558 uint16_t flags; /* bit 0 : if set the space is allocated */ 559 uint16_t part_num; /* KEY */ 560 struct regid contents; 561 union { 562 struct part_hdr_desc part_hdr; 563 uint8_t contents_use[128]; 564 } _impl_use; 565 uint32_t access_type; /* R/W, WORM etc. */ 566 uint32_t start_loc; /* start of partion with given length */ 567 uint32_t part_len; 568 struct regid imp_id; 569 uint8_t imp_use[128]; 570 uint8_t reserved[156]; 571 } __packed; 572 #define pd_part_hdr _impl_use.part_hdr 573 #define UDF_PART_FLAG_ALLOCATED 1 574 575 576 /* Unallocated Space Descriptor (UDF 2.01/2.2.5) */ 577 struct unalloc_sp_desc { 578 struct desc_tag tag; 579 uint32_t seq_num; /* MAX prevailing */ 580 uint32_t alloc_desc_num; 581 struct extent_ad alloc_desc[1]; 582 } __packed; 583 584 585 /* Logical Volume Integrity Descriptor [3/30.10] */ 586 struct logvolhdr { 587 uint64_t next_unique_id; 588 /* rest reserved */ 589 } __packed; 590 591 592 struct udf_logvol_info { 593 struct regid impl_id; 594 uint32_t num_files; 595 uint32_t num_directories; 596 uint16_t min_udf_readver; 597 uint16_t min_udf_writever; 598 uint16_t max_udf_writever; 599 } __packed; 600 601 602 struct logvol_int_desc { 603 struct desc_tag tag; 604 struct timestamp time; 605 uint32_t integrity_type; 606 struct extent_ad next_extent; 607 union { 608 struct logvolhdr logvolhdr; 609 int8_t reserved[32]; 610 } __packed _impl_use; 611 uint32_t num_part; 612 uint32_t l_iu; 613 uint32_t tables[1]; /* Freespace table, Sizetable, Implementation use */ 614 } __packed; 615 #define lvint_next_unique_id _impl_use.logvolhdr.next_unique_id 616 617 618 /* File Set Descriptor [4/14.1] */ 619 struct fileset_desc { 620 struct desc_tag tag; 621 struct timestamp time; 622 uint16_t ichg_lvl; 623 uint16_t max_ichg_lvl; 624 uint32_t charset_list; 625 uint32_t max_charset_list; 626 uint32_t fileset_num; /* key! */ 627 uint32_t fileset_desc_num; 628 struct charspec logvol_id_charset; 629 char logvol_id[128]; /* for recovery */ 630 struct charspec fileset_charset; 631 char fileset_id[32]; /* Mountpoint !! */ 632 char copyright_file_id[32]; 633 char abstract_file_id[32]; 634 struct long_ad rootdir_icb; /* to rootdir; icb->virtual ? */ 635 struct regid domain_id; 636 struct long_ad next_ex; /* to the next fileset_desc extent */ 637 struct long_ad streamdir_icb; /* streamdir; needed? */ 638 uint8_t reserved[32]; 639 } __packed; 640 641 642 /* File Identifier Descriptor [4/14.4] */ 643 struct fileid_desc { 644 struct desc_tag tag; 645 uint16_t file_version_num; 646 uint8_t file_char; 647 uint8_t l_fi; /* Length of file identifier area */ 648 struct long_ad icb; 649 uint16_t l_iu; /* Length of implementation use area */ 650 uint8_t data[0]; 651 } __packed; 652 #define UDF_FID_SIZE 38 653 #define UDF_FILE_CHAR_VIS (1 << 0) /* Invisible */ 654 #define UDF_FILE_CHAR_DIR (1 << 1) /* Directory */ 655 #define UDF_FILE_CHAR_DEL (1 << 2) /* Deleted */ 656 #define UDF_FILE_CHAR_PAR (1 << 3) /* Parent Directory */ 657 #define UDF_FILE_CHAR_META (1 << 4) /* Stream metadata */ 658 659 660 /* Extended attributes [4/14.10.1] */ 661 struct extattrhdr_desc { 662 struct desc_tag tag; 663 uint32_t impl_attr_loc; /* offsets within this descriptor */ 664 uint32_t appl_attr_loc; /* ditto */ 665 } __packed; 666 #define UDF_IMPL_ATTR_LOC_NOT_PRESENT 0xffffffff 667 #define UDF_APPL_ATTR_LOC_NOT_PRESENT 0xffffffff 668 669 670 /* Extended attribute entry [4/48.10.2] */ 671 struct extattr_entry { 672 uint32_t type; 673 uint8_t subtype; 674 uint8_t reserved[3]; 675 uint32_t a_l; 676 } __packed; 677 678 679 /* Extended attribute entry; type 2048 [4/48.10.8] */ 680 struct impl_extattr_entry { 681 struct extattr_entry hdr; 682 uint32_t iu_l; 683 struct regid imp_id; 684 uint8_t data[1]; 685 } __packed; 686 687 688 /* Extended attribute entry; type 65 536 [4/48.10.9] */ 689 struct appl_extattr_entry { 690 struct extattr_entry hdr; 691 uint32_t au_l; 692 struct regid appl_id; 693 uint8_t data[1]; 694 } __packed; 695 696 697 /* File Times attribute entry; type 5 or type 6 [4/48.10.5], [4/48.10.6] */ 698 struct filetimes_extattr_entry { 699 struct extattr_entry hdr; 700 uint32_t d_l; /* length of times[] data following */ 701 uint32_t existence; /* bitmask */ 702 struct timestamp times[1]; /* in order of assending bits */ 703 } __packed; 704 #define UDF_FILETIMES_ATTR_NO 5 705 #define UDF_FILETIMES_FILE_CREATION 1 706 #define UDF_FILETIMES_FILE_DELETION 4 707 #define UDF_FILETIMES_FILE_EFFECTIVE 8 708 #define UDF_FILETIMES_FILE_BACKUPED 16 709 #define UDF_FILETIMES_ATTR_SIZE(no) (20 + (no)*sizeof(struct timestamp)) 710 711 712 /* Device Specification Extended Attribute [4/4.10.7] */ 713 struct device_extattr_entry { 714 struct extattr_entry hdr; 715 uint32_t iu_l; /* length of implementation use */ 716 uint32_t major; 717 uint32_t minor; 718 uint8_t data[1]; /* UDF: if nonzero length, contain developer ID regid */ 719 } __packed; 720 #define UDF_DEVICESPEC_ATTR_NO 12 721 722 723 /* VAT LV extension Extended Attribute [UDF 3.3.4.5.1.3] 1.50 errata */ 724 struct vatlvext_extattr_entry { 725 uint64_t unique_id_chk; /* needs to be copy of ICB's */ 726 uint32_t num_files; 727 uint32_t num_directories; 728 char logvol_id[128]; /* replaces logvol name */ 729 } __packed; 730 731 732 /* File Entry [4/14.9] */ 733 struct file_entry { 734 struct desc_tag tag; 735 struct icb_tag icbtag; 736 uint32_t uid; 737 uint32_t gid; 738 uint32_t perm; 739 uint16_t link_cnt; 740 uint8_t rec_format; 741 uint8_t rec_disp_attr; 742 uint32_t rec_len; 743 uint64_t inf_len; 744 uint64_t logblks_rec; 745 struct timestamp atime; 746 struct timestamp mtime; 747 struct timestamp attrtime; 748 uint32_t ckpoint; 749 struct long_ad ex_attr_icb; 750 struct regid imp_id; 751 uint64_t unique_id; 752 uint32_t l_ea; /* Length of extended attribute area */ 753 uint32_t l_ad; /* Length of allocation descriptors */ 754 uint8_t data[1]; 755 } __packed; 756 #define UDF_FENTRY_SIZE 176 757 #define UDF_FENTRY_PERM_USER_MASK 0x07 758 #define UDF_FENTRY_PERM_GRP_MASK 0xE0 759 #define UDF_FENTRY_PERM_OWNER_MASK 0x1C00 760 761 762 /* Extended File Entry [4/48.17] */ 763 struct extfile_entry { 764 struct desc_tag tag; 765 struct icb_tag icbtag; 766 uint32_t uid; 767 uint32_t gid; 768 uint32_t perm; 769 uint16_t link_cnt; 770 uint8_t rec_format; 771 uint8_t rec_disp_attr; 772 uint32_t rec_len; 773 uint64_t inf_len; 774 uint64_t obj_size; 775 uint64_t logblks_rec; 776 struct timestamp atime; 777 struct timestamp mtime; 778 struct timestamp ctime; 779 struct timestamp attrtime; 780 uint32_t ckpoint; 781 uint32_t reserved1; 782 struct long_ad ex_attr_icb; 783 struct long_ad streamdir_icb; 784 struct regid imp_id; 785 uint64_t unique_id; 786 uint32_t l_ea; /* Length of extended attribute area */ 787 uint32_t l_ad; /* Length of allocation descriptors */ 788 uint8_t data[1]; 789 } __packed; 790 #define UDF_EXTFENTRY_SIZE 216 791 792 793 /* Indirect entry [ecma 48.7] */ 794 struct indirect_entry { 795 struct desc_tag tag; 796 struct icb_tag icbtag; 797 struct long_ad indirect_icb; 798 } __packed; 799 800 801 /* Allocation extent descriptor [ecma 48.5] */ 802 struct alloc_ext_entry { 803 struct desc_tag tag; 804 uint32_t prev_entry; 805 uint32_t l_ad; 806 uint8_t data[1]; 807 } __packed; 808 809 810 union dscrptr { 811 struct desc_tag tag; 812 struct anchor_vdp avdp; 813 struct vol_desc_ptr vdp; 814 struct pri_vol_desc pvd; 815 struct logvol_desc lvd; 816 struct unalloc_sp_desc usd; 817 struct logvol_int_desc lvid; 818 struct impvol_desc ivd; 819 struct part_desc pd; 820 struct fileset_desc fsd; 821 struct fileid_desc fid; 822 struct file_entry fe; 823 struct extfile_entry efe; 824 struct extattrhdr_desc eahd; 825 struct indirect_entry inde; 826 struct alloc_ext_entry aee; 827 struct udf_sparing_table spt; 828 struct space_bitmap_desc sbd; 829 struct space_entry_desc sed; 830 } __packed; 831 832 833 #endif /* !_FS_UDF_ECMA167_UDF_H_ */ 834 835
Indexes created Sun Oct 12 09:09:55 GMT 2025