ecma167-udf.h revision 1.4
1 /* $NetBSD: ecma167-udf.h,v 1.4 2006/08/31 21:38:14 reinoud Exp $ */ 2 3 /*- 4 * Copyright (c) 2003, 2004, 2005, 2006 Reinoud Zandijk <reinoud (at) netbsd.org> 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 __attribute__((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_INDIRECT_ENTRY = 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)) 212 213 214 /* Character set spec [1/7.2.1] */ 215 struct charspec { 216 uint8_t type; 217 uint8_t inf[63]; 218 } __packed; 219 220 221 /* Timestamp [1/7.3] */ 222 struct timestamp { 223 uint16_t type_tz; 224 uint16_t year; 225 uint8_t month; 226 uint8_t day; 227 uint8_t hour; 228 uint8_t minute; 229 uint8_t second; 230 uint8_t centisec; 231 uint8_t hund_usec; 232 uint8_t usec; 233 } __packed; 234 235 236 /* Entity Identifier [1/7.4] */ 237 #define UDF_REGID_ID_SIZE 23 238 struct regid { 239 uint8_t flags; 240 uint8_t id[UDF_REGID_ID_SIZE]; 241 uint8_t id_suffix[8]; 242 } __packed; 243 244 245 /* ICB Tag [4/14.6] */ 246 struct icb_tag { 247 uint32_t prev_num_dirs; 248 uint16_t strat_type; 249 uint8_t strat_param[2]; 250 uint16_t max_num_entries; 251 uint8_t reserved; 252 uint8_t file_type; 253 struct lb_addr parent_icb; 254 uint16_t flags; 255 } __packed; 256 #define UDF_ICB_TAG_FLAGS_ALLOC_MASK 0x03 257 #define UDF_ICB_SHORT_ALLOC 0x00 258 #define UDF_ICB_LONG_ALLOC 0x01 259 #define UDF_ICB_EXT_ALLOC 0x02 260 #define UDF_ICB_INTERN_ALLOC 0x03 261 262 #define UDF_ICB_TAG_FLAGS_DIRORDERED (1<< 3) 263 #define UDF_ICB_TAG_FLAGS_NONRELOC (1<< 4) 264 #define UDF_ICB_TAG_FLAGS_CONTIGUES (1<< 9) 265 #define UDF_ICB_TAG_FLAGS_MULTIPLEVERS (1<<12) 266 267 #define UDF_ICB_TAG_FLAGS_SETUID (1<< 6) 268 #define UDF_ICB_TAG_FLAGS_SETGID (1<< 7) 269 #define UDF_ICB_TAG_FLAGS_STICKY (1<< 8) 270 271 #define UDF_ICB_FILETYPE_UNKNOWN 0 272 #define UDF_ICB_FILETYPE_UNALLOCSPACE 1 273 #define UDF_ICB_FILETYPE_PARTINTEGRITY 2 274 #define UDF_ICB_FILETYPE_INDIRECTENTRY 3 275 #define UDF_ICB_FILETYPE_DIRECTORY 4 276 #define UDF_ICB_FILETYPE_RANDOMACCESS 5 277 #define UDF_ICB_FILETYPE_BLOCKDEVICE 6 278 #define UDF_ICB_FILETYPE_CHARDEVICE 7 279 #define UDF_ICB_FILETYPE_EXTATTRREC 8 280 #define UDF_ICB_FILETYPE_FIFO 9 281 #define UDF_ICB_FILETYPE_SOCKET 10 282 #define UDF_ICB_FILETYPE_TERM 11 283 #define UDF_ICB_FILETYPE_SYMLINK 12 284 #define UDF_ICB_FILETYPE_STREAMDIR 13 285 #define UDF_ICB_FILETYPE_VAT 248 286 #define UDF_ICB_FILETYPE_META_MAIN 250 287 #define UDF_ICB_FILETYPE_META_MIRROR 251 288 289 290 /* Anchor Volume Descriptor Pointer [3/10.2] */ 291 struct anchor_vdp { 292 struct desc_tag tag; 293 struct extent_ad main_vds_ex; /* to main volume descriptor set ; 16 sectors min */ 294 struct extent_ad reserve_vds_ex; /* copy of main volume descriptor set ; 16 sectors min */ 295 } __packed; 296 297 298 /* Volume Descriptor Pointer [3/10.3] */ 299 struct vol_desc_ptr { 300 struct desc_tag tag; /* use for extending the volume descriptor space */ 301 uint32_t vds_number; 302 struct extent_ad next_vds_ex; /* points to the next block for volume descriptor space */ 303 } __packed; 304 305 306 /* Primary Volume Descriptor [3/10.1] */ 307 struct pri_vol_desc { 308 struct desc_tag tag; 309 uint32_t seq_num; /* MAX prevail */ 310 uint32_t pvd_num; /* assigned by author; 0 is special as in it may only occure once */ 311 char vol_id[32]; /* KEY ; main identifier of this disc */ 312 uint16_t vds_num; /* volume descriptor number; i.e. what volume number is it */ 313 uint16_t max_vol_seq; /* maximum volume descriptor number known */ 314 uint16_t ichg_lvl; 315 uint16_t max_ichg_lvl; 316 uint32_t charset_list; 317 uint32_t max_charset_list; 318 char volset_id[128]; /* KEY ; if part of a multi-disc set or a band of volumes */ 319 struct charspec desc_charset; /* KEY according to ECMA 167 */ 320 struct charspec explanatory_charset; 321 struct extent_ad vol_abstract; 322 struct extent_ad vol_copyright; 323 struct regid app_id; 324 struct timestamp time; 325 struct regid imp_id; 326 uint8_t imp_use[64]; 327 uint32_t prev_vds_loc; /* location of predecessor _lov ? */ 328 uint16_t flags; /* bit 0 : if set indicates volume set name is meaningfull */ 329 uint8_t reserved[22]; 330 } __packed; 331 332 333 /* UDF specific implementation use part of the implementation use volume descriptor */ 334 struct udf_lv_info { 335 struct charspec lvi_charset; 336 char logvol_id[128]; 337 338 char lvinfo1[36]; 339 char lvinfo2[36]; 340 char lvinfo3[36]; 341 342 struct regid impl_id; 343 uint8_t impl_use[128]; 344 } __packed; 345 346 347 /* Implementation use Volume Descriptor */ 348 struct impvol_desc { 349 struct desc_tag tag; 350 uint32_t seq_num; 351 struct regid impl_id; 352 union { 353 struct udf_lv_info lv_info; 354 char impl_use[460]; 355 } __packed _impl_use; 356 } __packed; 357 358 359 /* Logical Volume Descriptor [3/10.6] */ 360 struct logvol_desc { 361 struct desc_tag tag; 362 uint32_t seq_num; /* MAX prevail */ 363 struct charspec desc_charset; /* KEY */ 364 char logvol_id[128]; /* KEY */ 365 uint32_t lb_size; 366 struct regid domain_id; 367 union { 368 struct long_ad fsd_loc; /* to fileset descriptor SEQUENCE */ 369 uint8_t logvol_content_use[16]; 370 } __packed _lvd_use; 371 uint32_t mt_l; /* Partition map length */ 372 uint32_t n_pm; /* Number of partition maps */ 373 struct regid imp_id; 374 uint8_t imp_use[128]; 375 struct extent_ad integrity_seq_loc; 376 uint8_t maps[1]; 377 } __packed; 378 #define lv_fsd_loc _lvd_use.fsd_loc 379 380 #define UDF_INTEGRITY_OPEN 0 381 #define UDF_INTEGRITY_CLOSED 1 382 383 384 #define UDF_PMAP_SIZE 64 385 386 /* Type 1 Partition Map [3/10.7.2] */ 387 struct part_map_1 { 388 uint8_t type; 389 uint8_t len; 390 uint16_t vol_seq_num; 391 uint16_t part_num; 392 } __packed; 393 394 395 /* Type 2 Partition Map [3/10.7.3] */ 396 struct part_map_2 { 397 uint8_t type; 398 uint8_t len; 399 uint8_t reserved[2]; 400 struct regid part_id; 401 uint16_t vol_seq_num; 402 uint16_t part_num; 403 uint8_t reserved2[24]; 404 } __packed; 405 406 407 /* Virtual Partition Map [UDF 2.01/2.2.8] */ 408 struct part_map_virt { 409 uint8_t type; 410 uint8_t len; 411 uint8_t reserved[2]; 412 struct regid id; 413 uint16_t vol_seq_num; 414 uint16_t part_num; 415 uint8_t reserved1[24]; 416 } __packed; 417 418 419 /* Sparable Partition Map [UDF 2.01/2.2.9] */ 420 struct part_map_spare { 421 uint8_t type; 422 uint8_t len; 423 uint8_t reserved[2]; 424 struct regid id; 425 uint16_t vol_seq_num; 426 uint16_t part_num; 427 uint16_t packet_len; 428 uint8_t n_st; /* Number of redundant sparing tables range 1-4 */ 429 uint8_t reserved1; 430 uint32_t st_size; /* size of EACH sparing table */ 431 uint32_t st_loc[1]; /* locations of sparing tables */ 432 } __packed; 433 434 435 /* Metadata Partition Map [UDF 2.50/2.2.10] */ 436 struct part_map_meta { 437 uint8_t type; 438 uint8_t len; 439 uint8_t reserved[2]; 440 struct regid id; 441 uint16_t vol_seq_num; 442 uint16_t part_num; 443 uint32_t meta_file_lbn; /* logical block number for file entry within part_num */ 444 uint32_t meta_mirror_file_lbn; 445 uint32_t meta_bitmap_file_lbn; 446 uint32_t alloc_unit_size; /* allocation unit size in blocks */ 447 uint16_t alignment_unit_size; /* alignment nessisary in blocks */ 448 uint8_t flags; 449 uint8_t reserved1[5]; 450 } __packed; 451 #define METADATA_DUPLICATED 1 452 453 454 union udf_pmap { 455 uint8_t data[UDF_PMAP_SIZE]; 456 struct part_map_1 pm1; 457 struct part_map_2 pm2; 458 struct part_map_virt pmv; 459 struct part_map_spare pms; 460 struct part_map_meta pmm; 461 } __packed; 462 463 464 /* Sparing Map Entry [UDF 2.01/2.2.11] */ 465 struct spare_map_entry { 466 uint32_t org; /* partion relative address */ 467 uint32_t map; /* absolute disc address (!) can be in partion, but doesn't have to be */ 468 } __packed; 469 470 471 /* Sparing Table [UDF 2.01/2.2.11] */ 472 struct udf_sparing_table { 473 struct desc_tag tag; 474 struct regid id; 475 uint16_t rt_l; /* Relocation Table len */ 476 uint8_t reserved[2]; 477 uint32_t seq_num; 478 struct spare_map_entry entries[1]; 479 } __packed; 480 481 482 #define UDF_NO_PREV_VAT 0xffffffff 483 /* UDF 1.50 VAT suffix [UDF 2.2.10 (UDF 1.50 spec)] */ 484 struct udf_oldvat_tail { 485 struct regid id; /* "*UDF Virtual Alloc Tbl" */ 486 uint32_t prev_vat; 487 } __packed; 488 489 490 /* VAT table [UDF 2.0.1/2.2.10] */ 491 struct udf_vat { 492 uint16_t header_len; 493 uint16_t impl_use_len; 494 char logvol_id[128]; /* newer version of the LVD one */ 495 uint32_t prev_vat; 496 uint32_t num_files; 497 uint32_t num_directories; 498 uint16_t min_udf_readver; 499 uint16_t min_udf_writever; 500 uint16_t max_udf_writever; 501 uint16_t reserved; 502 uint8_t data[1]; /* impl.use followed by VAT entries (uint32_t) */ 503 } __packed; 504 505 506 /* Space bitmap descriptor as found in the partition header descriptor */ 507 struct space_bitmap_desc { 508 struct desc_tag tag; /* TagId 264 */ 509 uint32_t num_bits; /* number of bits */ 510 uint32_t num_bytes; /* bytes that contain it */ 511 uint8_t data[1]; 512 } __packed; 513 514 515 /* Unalloc space entry as found in the partition header descriptor */ 516 struct space_entry_desc { 517 struct desc_tag tag; /* TagId 263 */ 518 struct icb_tag icbtag; /* type 1 */ 519 uint32_t l_ad; /* in bytes */ 520 uint8_t entry[1]; 521 } __packed; 522 523 524 /* Partition header descriptor; in the contents_use of part_desc */ 525 struct part_hdr_desc { 526 struct short_ad unalloc_space_table; 527 struct short_ad unalloc_space_bitmap; 528 struct short_ad part_integrety_table; /* has to be ZERO for UDF */ 529 struct short_ad freed_space_table; 530 struct short_ad freed_space_bitmap; 531 uint8_t reserved[88]; 532 } __packed; 533 534 535 /* Partition Descriptor [3/10.5] */ 536 struct part_desc { 537 struct desc_tag tag; 538 uint32_t seq_num; /* MAX prevailing */ 539 uint16_t flags; /* bit 0 : if set the space is allocated */ 540 uint16_t part_num; /* KEY */ 541 struct regid contents; 542 union { 543 struct part_hdr_desc part_hdr; 544 uint8_t contents_use[128]; 545 } _impl_use; 546 uint32_t access_type; /* R/W, WORM etc. */ 547 uint32_t start_loc; /* start of partion with given length */ 548 uint32_t part_len; 549 struct regid imp_id; 550 uint8_t imp_use[128]; 551 uint8_t reserved[156]; 552 } __packed; 553 #define pd_part_hdr _impl_use.part_hdr 554 #define UDF_PART_FLAG_ALLOCATED 1 555 556 557 /* Unallocated Space Descriptor (UDF 2.01/2.2.5) */ 558 struct unalloc_sp_desc { 559 struct desc_tag tag; 560 uint32_t seq_num; /* MAX prevailing */ 561 uint32_t alloc_desc_num; 562 struct extent_ad alloc_desc[1]; 563 } __packed; 564 565 566 /* Logical Volume Integrity Descriptor [3/30.10] */ 567 struct logvolhdr { 568 uint64_t next_unique_id; 569 /* rest reserved */ 570 } __packed; 571 572 573 struct udf_logvol_info { 574 struct regid impl_id; 575 uint32_t num_files; 576 uint32_t num_directories; 577 uint16_t min_udf_readver; 578 uint16_t min_udf_writever; 579 uint16_t max_udf_writever; 580 } __packed; 581 582 583 struct logvol_int_desc { 584 struct desc_tag tag; 585 struct timestamp time; 586 uint32_t integrity_type; 587 struct extent_ad next_extent; 588 union { 589 struct logvolhdr logvolhdr; 590 int8_t reserved[32]; 591 } __packed _impl_use; 592 uint32_t num_part; 593 uint32_t l_iu; 594 uint32_t tables[1]; /* Freespace table, Sizetable, Implementation use */ 595 } __packed; 596 #define lvint_next_unique_id _impl_use.logvolhdr.next_unique_id 597 598 599 /* File Set Descriptor [4/14.1] */ 600 struct fileset_desc { 601 struct desc_tag tag; 602 struct timestamp time; 603 uint16_t ichg_lvl; 604 uint16_t max_ichg_lvl; 605 uint32_t charset_list; 606 uint32_t max_charset_list; 607 uint32_t fileset_num; /* key! */ 608 uint32_t fileset_desc_num; 609 struct charspec logvol_id_charset; 610 char logvol_id[128]; /* for recovery */ 611 struct charspec fileset_charset; 612 char fileset_id[32]; /* Mountpoint !! */ 613 char copyright_file_id[32]; 614 char abstract_file_id[32]; 615 struct long_ad rootdir_icb; /* to rootdir; icb->virtual ? */ 616 struct regid domain_id; 617 struct long_ad next_ex; /* to the next fileset_desc extent */ 618 struct long_ad streamdir_icb; /* streamdir; needed? */ 619 uint8_t reserved[32]; 620 } __packed; 621 622 623 /* File Identifier Descriptor [4/14.4] */ 624 struct fileid_desc { 625 struct desc_tag tag; 626 uint16_t file_version_num; 627 uint8_t file_char; 628 uint8_t l_fi; /* Length of file identifier area */ 629 struct long_ad icb; 630 uint16_t l_iu; /* Length of implementation use area */ 631 uint8_t data[1]; 632 } __packed; 633 #define UDF_FID_SIZE 38 634 #define UDF_FILE_CHAR_VIS (1 << 0) /* Invisible */ 635 #define UDF_FILE_CHAR_DIR (1 << 1) /* Directory */ 636 #define UDF_FILE_CHAR_DEL (1 << 2) /* Deleted */ 637 #define UDF_FILE_CHAR_PAR (1 << 3) /* Parent Directory */ 638 #define UDF_FILE_CHAR_META (1 << 4) /* Stream metadata */ 639 640 641 /* Extended attributes [4/14.10.1] */ 642 struct extattrhdr_desc { 643 struct desc_tag tag; 644 uint32_t impl_attr_loc; /* offsets within this descriptor */ 645 uint32_t appl_attr_loc; /* ditto */ 646 } __packed; 647 #define UDF_IMPL_ATTR_LOC_NOT_PRESENT 0xffffffff 648 #define UDF_APPL_ATTR_LOC_NOT_PRESENT 0xffffffff 649 650 651 /* Extended attribute entry [4/48.10.2] */ 652 struct extattr_entry { 653 uint32_t type; 654 uint8_t subtype; 655 uint8_t reserved[3]; 656 uint32_t a_l; 657 } __packed; 658 659 660 /* Extended attribute entry; type 2048 [4/48.10.8] */ 661 struct impl_extattr_entry { 662 struct extattr_entry hdr; 663 uint32_t iu_l; 664 struct regid imp_id; 665 uint8_t data[1]; 666 } __packed; 667 668 669 /* Extended attribute entry; type 65 536 [4/48.10.9] */ 670 struct appl_extattr_entry { 671 struct extattr_entry hdr; 672 uint32_t au_l; 673 struct regid appl_id; 674 uint8_t data[1]; 675 } __packed; 676 677 678 /* File Times attribute entry; type 5 or type 6 [4/48.10.5], [4/48.10.6] */ 679 struct filetimes_extattr_entry { 680 struct extattr_entry hdr; 681 uint32_t d_l; /* length of times[] data following */ 682 uint32_t existence; /* bitmask */ 683 struct timestamp times[1]; /* in order of assending bits */ 684 } __packed; 685 686 687 /* Device Specification Extended Attribute [4/4.10.7] */ 688 struct device_extattr_entry { 689 struct extattr_entry hdr; 690 uint32_t iu_l; /* length of implementation use */ 691 uint32_t major; 692 uint32_t minor; 693 uint8_t data[1]; /* UDF: if nonzero length, contain developer ID regid */ 694 } __packed; 695 696 697 /* VAT LV extension Extended Attribute [UDF 3.3.4.5.1.3] 1.50 errata */ 698 struct vatlvext_extattr_entry { 699 uint64_t unique_id_chk; /* needs to be copy of ICB's */ 700 uint32_t num_files; 701 uint32_t num_directories; 702 char logvol_id[128]; /* replaces logvol name */ 703 } __packed; 704 705 706 /* File Entry [4/14.9] */ 707 struct file_entry { 708 struct desc_tag tag; 709 struct icb_tag icbtag; 710 uint32_t uid; 711 uint32_t gid; 712 uint32_t perm; 713 uint16_t link_cnt; 714 uint8_t rec_format; 715 uint8_t rec_disp_attr; 716 uint32_t rec_len; 717 uint64_t inf_len; 718 uint64_t logblks_rec; 719 struct timestamp atime; 720 struct timestamp mtime; 721 struct timestamp attrtime; 722 uint32_t ckpoint; 723 struct long_ad ex_attr_icb; 724 struct regid imp_id; 725 uint64_t unique_id; 726 uint32_t l_ea; /* Length of extended attribute area */ 727 uint32_t l_ad; /* Length of allocation descriptors */ 728 uint8_t data[1]; 729 } __packed; 730 #define UDF_FENTRY_SIZE 176 731 #define UDF_FENTRY_PERM_USER_MASK 0x07 732 #define UDF_FENTRY_PERM_GRP_MASK 0xE0 733 #define UDF_FENTRY_PERM_OWNER_MASK 0x1C00 734 735 736 /* Extended File Entry [4/48.17] */ 737 struct extfile_entry { 738 struct desc_tag tag; 739 struct icb_tag icbtag; 740 uint32_t uid; 741 uint32_t gid; 742 uint32_t perm; 743 uint16_t link_cnt; 744 uint8_t rec_format; 745 uint8_t rec_disp_attr; 746 uint32_t rec_len; 747 uint64_t inf_len; 748 uint64_t obj_size; 749 uint64_t logblks_rec; 750 struct timestamp atime; 751 struct timestamp mtime; 752 struct timestamp ctime; 753 struct timestamp attrtime; 754 uint32_t ckpoint; 755 uint32_t reserved1; 756 struct long_ad ex_attr_icb; 757 struct long_ad streamdir_icb; 758 struct regid imp_id; 759 uint64_t unique_id; 760 uint32_t l_ea; /* Length of extended attribute area */ 761 uint32_t l_ad; /* Length of allocation descriptors */ 762 uint8_t data[1]; 763 } __packed; 764 765 766 /* Indirect entry [ecma 48.7] */ 767 struct indirect_entry { 768 struct desc_tag tag; 769 struct icb_tag icbtag; 770 struct long_ad indirect_icb; 771 } __packed; 772 773 774 /* Allocation extent descritor [ecma 48.5] */ 775 struct alloc_ext_entry { 776 struct desc_tag tag; 777 uint32_t prev_entry; 778 uint32_t l_ad; 779 uint8_t data[1]; 780 } __packed; 781 782 783 union dscrptr { 784 struct desc_tag tag; 785 struct anchor_vdp avdp; 786 struct vol_desc_ptr vdp; 787 struct pri_vol_desc pvd; 788 struct logvol_desc lvd; 789 struct unalloc_sp_desc usd; 790 struct logvol_int_desc lvid; 791 struct impvol_desc ivd; 792 struct part_desc pd; 793 struct fileset_desc fsd; 794 struct fileid_desc fid; 795 struct file_entry fe; 796 struct extfile_entry efe; 797 struct extattrhdr_desc eahd; 798 struct indirect_entry inde; 799 struct alloc_ext_entry aee; 800 struct udf_sparing_table spt; 801 struct space_bitmap_desc sbd; 802 struct space_entry_desc sed; 803 } __packed; 804 805 806 /* Useful defines */ 807 808 #define GETICB(ad_type, fentry, offset) \ 809 (struct ad_type *)&fentry->data[offset] 810 811 #define GETICBLEN(ad_type, icb) ((struct ad_type *)(icb))->len 812 813 814 #endif /* !_FS_UDF_ECMA167_UDF_H_ */ 815 816
Indexes created Tue Sep 23 21:09:50 GMT 2025