ecma167-udf.h revision 1.2
1 /* $NetBSD: ecma167-udf.h,v 1.2 2006/02/02 16:14:26 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; 183 184 185 /* Extended Allocation Descriptor [4/14.14.3] ; identifies an extent of allocation descriptors ; also in UDF ? */ 186 struct ext_ad { 187 uint32_t ex_len; 188 uint32_t rec_len; 189 uint32_t inf_len; 190 struct lb_addr ex_loc; 191 uint8_t reserved[2]; 192 } __packed; 193 194 195 /* ICB : Information Control Block; positioning */ 196 union icb { 197 struct short_ad s_ad; 198 struct long_ad l_ad; 199 struct ext_ad e_ad; 200 } __packed; 201 202 203 /* short/long/ext extent have flags encoded in length */ 204 #define UDF_EXT_ALLOCATED (0<<30) 205 #define UDF_EXT_FREED (1<<30) 206 #define UDF_EXT_ALLOCATED_BUT_NOT_USED (1<<30) 207 #define UDF_EXT_FREE (2<<30) 208 #define UDF_EXT_REDIRECT (3<<30) 209 #define UDF_EXT_FLAGS(len) ((len) & (3<<30)) 210 #define UDF_EXT_LEN(len) ((len) & ((1<<30)-1)) 211 212 213 /* Character set spec [1/7.2.1] */ 214 struct charspec { 215 uint8_t type; 216 uint8_t inf[63]; 217 } __packed; 218 219 220 /* Timestamp [1/7.3] */ 221 struct timestamp { 222 uint16_t type_tz; 223 uint16_t year; 224 uint8_t month; 225 uint8_t day; 226 uint8_t hour; 227 uint8_t minute; 228 uint8_t second; 229 uint8_t centisec; 230 uint8_t hund_usec; 231 uint8_t usec; 232 } __packed; 233 234 235 /* Entity Identifier [1/7.4] */ 236 #define UDF_REGID_ID_SIZE 23 237 struct regid { 238 uint8_t flags; 239 uint8_t id[UDF_REGID_ID_SIZE]; 240 uint8_t id_suffix[8]; 241 } __packed; 242 243 244 /* ICB Tag [4/14.6] */ 245 struct icb_tag { 246 uint32_t prev_num_dirs; 247 uint16_t strat_type; 248 uint8_t strat_param[2]; 249 uint16_t max_num_entries; 250 uint8_t reserved; 251 uint8_t file_type; 252 struct lb_addr parent_icb; 253 uint16_t flags; 254 } __packed; 255 #define UDF_ICB_TAG_FLAGS_ALLOC_MASK 0x03 256 #define UDF_ICB_SHORT_ALLOC 0x00 257 #define UDF_ICB_LONG_ALLOC 0x01 258 #define UDF_ICB_EXT_ALLOC 0x02 259 #define UDF_ICB_INTERN_ALLOC 0x03 260 261 #define UDF_ICB_TAG_FLAGS_DIRORDERED (1<< 3) 262 #define UDF_ICB_TAG_FLAGS_NONRELOC (1<< 4) 263 #define UDF_ICB_TAG_FLAGS_CONTIGUES (1<< 9) 264 #define UDF_ICB_TAG_FLAGS_MULTIPLEVERS (1<<12) 265 266 #define UDF_ICB_TAG_FLAGS_SETUID (1<< 6) 267 #define UDF_ICB_TAG_FLAGS_SETGID (1<< 7) 268 #define UDF_ICB_TAG_FLAGS_STICKY (1<< 8) 269 270 #define UDF_ICB_FILETYPE_UNKNOWN 0 271 #define UDF_ICB_FILETYPE_UNALLOCSPACE 1 272 #define UDF_ICB_FILETYPE_PARTINTEGRITY 2 273 #define UDF_ICB_FILETYPE_INDIRECTENTRY 3 274 #define UDF_ICB_FILETYPE_DIRECTORY 4 275 #define UDF_ICB_FILETYPE_RANDOMACCESS 5 276 #define UDF_ICB_FILETYPE_BLOCKDEVICE 6 277 #define UDF_ICB_FILETYPE_CHARDEVICE 7 278 #define UDF_ICB_FILETYPE_EXTATTRREC 8 279 #define UDF_ICB_FILETYPE_FIFO 9 280 #define UDF_ICB_FILETYPE_SOCKET 10 281 #define UDF_ICB_FILETYPE_TERM 11 282 #define UDF_ICB_FILETYPE_SYMLINK 12 283 #define UDF_ICB_FILETYPE_STREAMDIR 13 284 #define UDF_ICB_FILETYPE_VAT 248 285 #define UDF_ICB_FILETYPE_META_MAIN 250 286 #define UDF_ICB_FILETYPE_META_MIRROR 251 287 288 289 /* Anchor Volume Descriptor Pointer [3/10.2] */ 290 struct anchor_vdp { 291 struct desc_tag tag; 292 struct extent_ad main_vds_ex; /* to main volume descriptor set ; 16 sectors min */ 293 struct extent_ad reserve_vds_ex; /* copy of main volume descriptor set ; 16 sectors min */ 294 } __packed; 295 296 297 /* Volume Descriptor Pointer [3/10.3] */ 298 struct vol_desc_ptr { 299 struct desc_tag tag; /* use for extending the volume descriptor space */ 300 uint32_t vds_number; 301 struct extent_ad next_vds_ex; /* points to the next block for volume descriptor space */ 302 } __packed; 303 304 305 /* Primary Volume Descriptor [3/10.1] */ 306 struct pri_vol_desc { 307 struct desc_tag tag; 308 uint32_t seq_num; /* MAX prevail */ 309 uint32_t pvd_num; /* assigned by author; 0 is special as in it may only occure once */ 310 char vol_id[32]; /* KEY ; main identifier of this disc */ 311 uint16_t vds_num; /* volume descriptor number; i.e. what volume number is it */ 312 uint16_t max_vol_seq; /* maximum volume descriptor number known */ 313 uint16_t ichg_lvl; 314 uint16_t max_ichg_lvl; 315 uint32_t charset_list; 316 uint32_t max_charset_list; 317 char volset_id[128]; /* KEY ; if part of a multi-disc set or a band of volumes */ 318 struct charspec desc_charset; /* KEY according to ECMA 167 */ 319 struct charspec explanatory_charset; 320 struct extent_ad vol_abstract; 321 struct extent_ad vol_copyright; 322 struct regid app_id; 323 struct timestamp time; 324 struct regid imp_id; 325 uint8_t imp_use[64]; 326 uint32_t prev_vds_loc; /* location of predecessor _lov ? */ 327 uint16_t flags; /* bit 0 : if set indicates volume set name is meaningfull */ 328 uint8_t reserved[22]; 329 } __packed; 330 331 332 /* UDF specific implementation use part of the implementation use volume descriptor */ 333 struct udf_lv_info { 334 struct charspec lvi_charset; 335 char logvol_id[128]; 336 337 char lvinfo1[36]; 338 char lvinfo2[36]; 339 char lvinfo3[36]; 340 341 struct regid impl_id; 342 uint8_t impl_use[128]; 343 } __packed; 344 345 346 /* Implementation use Volume Descriptor */ 347 struct impvol_desc { 348 struct desc_tag tag; 349 uint32_t seq_num; 350 struct regid impl_id; 351 union { 352 struct udf_lv_info lv_info; 353 char impl_use[460]; 354 } __packed _impl_use; 355 } __packed; 356 357 358 /* Logical Volume Descriptor [3/10.6] */ 359 struct logvol_desc { 360 struct desc_tag tag; 361 uint32_t seq_num; /* MAX prevail */ 362 struct charspec desc_charset; /* KEY */ 363 char logvol_id[128]; /* KEY */ 364 uint32_t lb_size; 365 struct regid domain_id; 366 union { 367 struct long_ad fsd_loc; /* to fileset descriptor SEQUENCE */ 368 uint8_t logvol_content_use[16]; 369 } __packed _lvd_use; 370 uint32_t mt_l; /* Partition map length */ 371 uint32_t n_pm; /* Number of partition maps */ 372 struct regid imp_id; 373 uint8_t imp_use[128]; 374 struct extent_ad integrity_seq_loc; 375 uint8_t maps[1]; 376 } __packed; 377 #define lv_fsd_loc _lvd_use.fsd_loc 378 379 #define UDF_INTEGRITY_OPEN 0 380 #define UDF_INTEGRITY_CLOSED 1 381 382 383 #define UDF_PMAP_SIZE 64 384 385 /* Type 1 Partition Map [3/10.7.2] */ 386 struct part_map_1 { 387 uint8_t type; 388 uint8_t len; 389 uint16_t vol_seq_num; 390 uint16_t part_num; 391 } __packed; 392 393 394 /* Type 2 Partition Map [3/10.7.3] */ 395 struct part_map_2 { 396 uint8_t type; 397 uint8_t len; 398 uint8_t reserved[2]; 399 struct regid part_id; 400 uint16_t vol_seq_num; 401 uint16_t part_num; 402 uint8_t reserved2[24]; 403 } __packed; 404 405 406 /* Virtual Partition Map [UDF 2.01/2.2.8] */ 407 struct part_map_virt { 408 uint8_t type; 409 uint8_t len; 410 uint8_t reserved[2]; 411 struct regid id; 412 uint16_t vol_seq_num; 413 uint16_t part_num; 414 uint8_t reserved1[24]; 415 } __packed; 416 417 418 /* Sparable Partition Map [UDF 2.01/2.2.9] */ 419 struct part_map_spare { 420 uint8_t type; 421 uint8_t len; 422 uint8_t reserved[2]; 423 struct regid id; 424 uint16_t vol_seq_num; 425 uint16_t part_num; 426 uint16_t packet_len; 427 uint8_t n_st; /* Number of redundant sparing tables range 1-4 */ 428 uint8_t reserved1; 429 uint32_t st_size; /* size of EACH sparing table */ 430 uint32_t st_loc[1]; /* locations of sparing tables */ 431 } __packed; 432 433 434 /* Metadata Partition Map [UDF 2.50/2.2.10] */ 435 struct part_map_meta { 436 uint8_t type; 437 uint8_t len; 438 uint8_t reserved[2]; 439 struct regid id; 440 uint16_t vol_seq_num; 441 uint16_t part_num; 442 uint32_t meta_file_lbn; /* logical block number for file entry within part_num */ 443 uint32_t meta_mirror_file_lbn; 444 uint32_t meta_bitmap_file_lbn; 445 uint32_t alloc_unit_size; /* allocation unit size in blocks */ 446 uint16_t alignment_unit_size; /* alignment nessisary in blocks */ 447 uint8_t flags; 448 uint8_t reserved1[5]; 449 } __packed; 450 #define METADATA_DUPLICATED 1 451 452 453 union udf_pmap { 454 uint8_t data[UDF_PMAP_SIZE]; 455 struct part_map_1 pm1; 456 struct part_map_2 pm2; 457 struct part_map_virt pmv; 458 struct part_map_spare pms; 459 struct part_map_meta pmm; 460 } __packed; 461 462 463 /* Sparing Map Entry [UDF 2.01/2.2.11] */ 464 struct spare_map_entry { 465 uint32_t org; /* partion relative address */ 466 uint32_t map; /* absolute disc address (!) can be in partion, but doesn't have to be */ 467 } __packed; 468 469 470 /* Sparing Table [UDF 2.01/2.2.11] */ 471 struct udf_sparing_table { 472 struct desc_tag tag; 473 struct regid id; 474 uint16_t rt_l; /* Relocation Table len */ 475 uint8_t reserved[2]; 476 uint32_t seq_num; 477 struct spare_map_entry entries[1]; 478 } __packed; 479 480 481 /* VAT table [UDF 2.0.1/2.2.10] */ 482 struct udf_vat { 483 uint16_t header_len; 484 uint16_t impl_use_len; 485 char logvol_id[128]; /* newer version of the LVD one */ 486 uint32_t prev_vat; 487 uint32_t num_files; 488 uint32_t num_directories; 489 uint16_t min_udf_readver; 490 uint16_t min_udf_writever; 491 uint16_t max_udf_writever; 492 uint16_t reserved; 493 uint8_t data[1]; /* impl.use followed by VAT entries (uint32_t) */ 494 } __packed; 495 496 497 /* Space bitmap descriptor as found in the partition header descriptor */ 498 struct space_bitmap_desc { 499 struct desc_tag tag; /* TagId 264 */ 500 uint32_t num_bits; /* number of bits */ 501 uint32_t num_bytes; /* bytes that contain it */ 502 uint8_t data[1]; 503 } __packed; 504 505 506 /* Unalloc space entry as found in the partition header descriptor */ 507 struct space_entry_desc { 508 struct desc_tag tag; /* TagId 263 */ 509 struct icb_tag icbtag; /* type 1 */ 510 uint32_t l_ad; /* in bytes */ 511 uint8_t entry[1]; 512 } __packed; 513 514 515 /* Partition header descriptor; in the contents_use of part_desc */ 516 struct part_hdr_desc { 517 struct short_ad unalloc_space_table; 518 struct short_ad unalloc_space_bitmap; 519 struct short_ad part_integrety_table; /* has to be ZERO for UDF */ 520 struct short_ad freed_space_table; 521 struct short_ad freed_space_bitmap; 522 uint8_t reserved[88]; 523 } __packed; 524 525 526 /* Partition Descriptor [3/10.5] */ 527 struct part_desc { 528 struct desc_tag tag; 529 uint32_t seq_num; /* MAX prevailing */ 530 uint16_t flags; /* bit 0 : if set the space is allocated */ 531 uint16_t part_num; /* KEY */ 532 struct regid contents; 533 union { 534 struct part_hdr_desc part_hdr; 535 uint8_t contents_use[128]; 536 } _impl_use; 537 uint32_t access_type; /* R/W, WORM etc. */ 538 uint32_t start_loc; /* start of partion with given length */ 539 uint32_t part_len; 540 struct regid imp_id; 541 uint8_t imp_use[128]; 542 uint8_t reserved[156]; 543 } __packed; 544 #define pd_part_hdr _impl_use.part_hdr 545 #define UDF_PART_FLAG_ALLOCATED 1 546 547 548 /* Unallocated Space Descriptor (UDF 2.01/2.2.5) */ 549 struct unalloc_sp_desc { 550 struct desc_tag tag; 551 uint32_t seq_num; /* MAX prevailing */ 552 uint32_t alloc_desc_num; 553 struct extent_ad alloc_desc[1]; 554 } __packed; 555 556 557 /* Logical Volume Integrity Descriptor [3/30.10] */ 558 struct logvolhdr { 559 uint64_t next_unique_id; 560 /* rest reserved */ 561 } __packed; 562 563 564 struct udf_logvol_info { 565 struct regid impl_id; 566 uint32_t num_files; 567 uint32_t num_directories; 568 uint16_t min_udf_readver; 569 uint16_t min_udf_writever; 570 uint16_t max_udf_writever; 571 } __packed; 572 573 574 struct logvol_int_desc { 575 struct desc_tag tag; 576 struct timestamp time; 577 uint32_t integrity_type; 578 struct extent_ad next_extent; 579 union { 580 struct logvolhdr logvolhdr; 581 int8_t reserved[32]; 582 } __packed _impl_use; 583 uint32_t num_part; 584 uint32_t l_iu; 585 uint32_t tables[1]; /* Freespace table, Sizetable, Implementation use */ 586 } __packed; 587 #define lvint_next_unique_id _impl_use.logvolhdr.next_unique_id 588 589 590 /* File Set Descriptor [4/14.1] */ 591 struct fileset_desc { 592 struct desc_tag tag; 593 struct timestamp time; 594 uint16_t ichg_lvl; 595 uint16_t max_ichg_lvl; 596 uint32_t charset_list; 597 uint32_t max_charset_list; 598 uint32_t fileset_num; /* key! */ 599 uint32_t fileset_desc_num; 600 struct charspec logvol_id_charset; 601 char logvol_id[128]; /* for recovery */ 602 struct charspec fileset_charset; 603 char fileset_id[32]; /* Mountpoint !! */ 604 char copyright_file_id[32]; 605 char abstract_file_id[32]; 606 struct long_ad rootdir_icb; /* to rootdir; icb->virtual ? */ 607 struct regid domain_id; 608 struct long_ad next_ex; /* to the next fileset_desc extent */ 609 struct long_ad streamdir_icb; /* streamdir; needed? */ 610 uint8_t reserved[32]; 611 } __packed; 612 613 614 /* File Identifier Descriptor [4/14.4] */ 615 struct fileid_desc { 616 struct desc_tag tag; 617 uint16_t file_version_num; 618 uint8_t file_char; 619 uint8_t l_fi; /* Length of file identifier area */ 620 struct long_ad icb; 621 uint16_t l_iu; /* Length of implementation use area */ 622 uint8_t data[1]; 623 } __packed; 624 #define UDF_FID_SIZE 38 625 #define UDF_FILE_CHAR_VIS (1 << 0) /* Invisible */ 626 #define UDF_FILE_CHAR_DIR (1 << 1) /* Directory */ 627 #define UDF_FILE_CHAR_DEL (1 << 2) /* Deleted */ 628 #define UDF_FILE_CHAR_PAR (1 << 3) /* Parent Directory */ 629 #define UDF_FILE_CHAR_META (1 << 4) /* Stream metadata */ 630 631 632 /* Extended attributes [4/14.10.1] */ 633 struct extattrhdr_desc { 634 struct desc_tag tag; 635 uint32_t impl_attr_loc; /* offsets within this descriptor */ 636 uint32_t appl_attr_loc; /* ditto */ 637 } __packed; 638 #define UDF_IMPL_ATTR_LOC_NOT_PRESENT 0xffffffff 639 #define UDF_APPL_ATTR_LOC_NOT_PRESENT 0xffffffff 640 641 642 /* Extended attribute entry [4/48.10.2] */ 643 struct extattr_entry { 644 uint32_t type; 645 uint8_t subtype; 646 uint8_t reserved[3]; 647 uint32_t a_l; 648 } __packed; 649 650 651 /* Extended attribute entry; type 2048 [4/48.10.8] */ 652 struct impl_extattr_entry { 653 struct extattr_entry hdr; 654 uint32_t iu_l; 655 struct regid imp_id; 656 uint16_t cksum; /* UDF: of header */ 657 uint8_t data[1]; 658 } __packed; 659 660 661 /* Extended attribute entry; type 65 536 [4/48.10.9] */ 662 struct appl_extattr_entry { 663 struct extattr_entry hdr; 664 uint32_t au_l; 665 struct regid appl_id; 666 uint8_t data[1]; 667 } __packed; 668 669 670 /* File Times attribute entry; type 5 or type 6 [4/48.10.5], [4/48.10.6] */ 671 struct filetimes_extattr_entry { 672 struct extattr_entry hdr; 673 uint32_t d_l; /* length of times[] data following */ 674 uint32_t existence; /* bitmask */ 675 struct timestamp times[1]; /* in order of assending bits */ 676 } __packed; 677 678 679 /* Device Specification Extended Attribute [4/4.10.7] */ 680 struct device_extattr_entry { 681 struct extattr_entry hdr; 682 uint32_t iu_l; /* length of implementation use */ 683 uint32_t major; 684 uint32_t minor; 685 uint8_t data[1]; /* UDF: if nonzero length, contain developer ID regid */ 686 } __packed; 687 688 689 /* File Entry [4/14.9] */ 690 struct file_entry { 691 struct desc_tag tag; 692 struct icb_tag icbtag; 693 uint32_t uid; 694 uint32_t gid; 695 uint32_t perm; 696 uint16_t link_cnt; 697 uint8_t rec_format; 698 uint8_t rec_disp_attr; 699 uint32_t rec_len; 700 uint64_t inf_len; 701 uint64_t logblks_rec; 702 struct timestamp atime; 703 struct timestamp mtime; 704 struct timestamp attrtime; 705 uint32_t ckpoint; 706 struct long_ad ex_attr_icb; 707 struct regid imp_id; 708 uint64_t unique_id; 709 uint32_t l_ea; /* Length of extended attribute area */ 710 uint32_t l_ad; /* Length of allocation descriptors */ 711 uint8_t data[1]; 712 } __packed; 713 #define UDF_FENTRY_SIZE 176 714 #define UDF_FENTRY_PERM_USER_MASK 0x07 715 #define UDF_FENTRY_PERM_GRP_MASK 0xE0 716 #define UDF_FENTRY_PERM_OWNER_MASK 0x1C00 717 718 719 /* Extended File Entry [4/48.17] */ 720 struct extfile_entry { 721 struct desc_tag tag; 722 struct icb_tag icbtag; 723 uint32_t uid; 724 uint32_t gid; 725 uint32_t perm; 726 uint16_t link_cnt; 727 uint8_t rec_format; 728 uint8_t rec_disp_attr; 729 uint32_t rec_len; 730 uint64_t inf_len; 731 uint64_t obj_size; 732 uint64_t logblks_rec; 733 struct timestamp atime; 734 struct timestamp mtime; 735 struct timestamp ctime; 736 struct timestamp attrtime; 737 uint32_t ckpoint; 738 uint32_t reserved1; 739 struct long_ad ex_attr_icb; 740 struct long_ad streamdir_icb; 741 struct regid imp_id; 742 uint64_t unique_id; 743 uint32_t l_ea; /* Length of extended attribute area */ 744 uint32_t l_ad; /* Length of allocation descriptors */ 745 uint8_t data[1]; 746 } __packed; 747 748 749 /* Indirect entry [ecma 48.7] */ 750 struct indirect_entry { 751 struct desc_tag tag; 752 struct icb_tag icbtag; 753 struct long_ad indirect_icb; 754 } __packed; 755 756 757 /* Allocation extent descritor [ecma 48.5] */ 758 struct alloc_ext_entry { 759 struct desc_tag tag; 760 uint32_t prev_entry; 761 uint32_t l_ad; 762 uint8_t data[1]; 763 } __packed; 764 765 766 union dscrptr { 767 struct desc_tag tag; 768 struct anchor_vdp avdp; 769 struct vol_desc_ptr vdp; 770 struct pri_vol_desc pvd; 771 struct logvol_desc lvd; 772 struct unalloc_sp_desc usd; 773 struct logvol_int_desc lvid; 774 struct impvol_desc ivd; 775 struct part_desc pd; 776 struct fileset_desc fsd; 777 struct fileid_desc fid; 778 struct file_entry fe; 779 struct extfile_entry efe; 780 struct extattrhdr_desc eahd; 781 struct indirect_entry inde; 782 struct alloc_ext_entry aee; 783 struct udf_sparing_table spt; 784 struct space_bitmap_desc sbd; 785 struct space_entry_desc sed; 786 } __packed; 787 788 789 /* Useful defines */ 790 791 #define GETICB(ad_type, fentry, offset) \ 792 (struct ad_type *)&fentry->data[offset] 793 794 #define GETICBLEN(ad_type, icb) ((struct ad_type *)(icb))->len 795 796 797 #endif /* !_FS_UDF_ECMA167_UDF_H_ */ 798 799
Indexes created Mon Sep 22 21:09:42 GMT 2025