1/* $NetBSD: ecma167-udf.h,v 1.14 2011/07/07 17:45:38 reinoud Exp $ */
2
3/*-
4 * Copyright (c) 2003, 2004, 2005, 2006, 2008, 2009
5 * Reinoud Zandijk * <reinoud@NetBSD.org>
6 * Copyright (c) 2001, 2002 Scott Long <scottl@freebsd.org>
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 *
31 * Extended and adapted for UDFv2.50+ bij Reinoud Zandijk based on the
32 * original by Scott Long.
33 *
34 * 20030508 Made some small typo and explanatory comments
35 * 20030510 Added UDF 2.01 structures
36 * 20030519 Added/correct comments on multi-partitioned logical volume space
37 * 20050616 Added pseudo overwrite
38 * 20050624 Added the missing extended attribute types and `magic values'.
39 * 20051106 Reworked some implementation use parts
40 *
41 */
42
43
44#ifndef _FS_UDF_ECMA167_UDF_H_
45#define _FS_UDF_ECMA167_UDF_H_
46
47
48/*
49 * in case of an older gcc versions, define the __packed as explicit
50 * attribute
51 */
52
53/*
54 * You may specify the `aligned' and `transparent_union' attributes either in
55 * a `typedef' declaration or just past the closing curly brace of a complete
56 * enum, struct or union type _definition_ and the `packed' attribute only
57 * past the closing brace of a definition. You may also specify attributes
58 * between the enum, struct or union tag and the name of the type rather than
59 * after the closing brace.
60*/
61
62#ifndef __packed
63#define __packed __attribute__((packed))
64#endif
65
66
67/* ecma167-udf.h */
68
69/* Volume recognition sequence ECMA 167 rev. 3 16.1 */
70struct 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 */
91enum {
92 TAGID_SPARING_TABLE = 0,
93 TAGID_PRI_VOL = 1,
94 TAGID_ANCHOR = 2,
95 TAGID_VOL = 3,
96 TAGID_IMP_VOL = 4,
97 TAGID_PARTITION = 5,
98 TAGID_LOGVOL = 6,
99 TAGID_UNALLOC_SPACE = 7,
100 TAGID_TERM = 8,
101 TAGID_LOGVOL_INTEGRITY= 9,
102 TAGID_FSD = 256,
103 TAGID_FID = 257,
104 TAGID_ALLOCEXTENT = 258,
105 TAGID_INDIRECTENTRY = 259,
106 TAGID_ICB_TERM = 260,
107 TAGID_FENTRY = 261,
108 TAGID_EXTATTR_HDR = 262,
109 TAGID_UNALL_SP_ENTRY = 263,
110 TAGID_SPACE_BITMAP = 264,
111 TAGID_PART_INTEGRITY = 265,
112 TAGID_EXTFENTRY = 266,
113 TAGID_MAX = 266
114};
115
116
117enum {
118 UDF_DOMAIN_FLAG_HARD_WRITE_PROTECT = 1,
119 UDF_DOMAIN_FLAG_SOFT_WRITE_PROTECT = 2
120};
121
122
123enum {
124 UDF_ACCESSTYPE_NOT_SPECIFIED = 0, /* unknown */
125 UDF_ACCESSTYPE_PSEUDO_OVERWITE = 0, /* pseudo overwritable, e.g. BD-R's LOW */
126 UDF_ACCESSTYPE_READ_ONLY = 1, /* really only readable */
127 UDF_ACCESSTYPE_WRITE_ONCE = 2, /* write once and you're done */
128 UDF_ACCESSTYPE_REWRITEABLE = 3, /* may need extra work to rewrite */
129 UDF_ACCESSTYPE_OVERWRITABLE = 4 /* no limits on rewriting; e.g. harddisc*/
130};
131
132
133/* Descriptor tag [3/7.2] */
134struct 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] */
148struct 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] */
155struct extent_ad {
156 uint32_t len;
157 uint32_t loc;
158} __packed;
159
160
161/* Short Allocation Descriptor [4/14.14.1] */
162struct short_ad {
163 uint32_t len;
164 uint32_t lb_num;
165} __packed;
166
167
168/* Long Allocation Descriptor [4/14.14.2] */
169struct UDF_ADImp_use {
170 uint16_t flags;
171 uint32_t unique_id;
172} __packed;
173#define UDF_ADIMP_FLAGS_EXTENT_ERASED 1
174
175
176struct 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 ? */
188struct 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 */
198union 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] */
217struct charspec {
218 uint8_t type;
219 uint8_t inf[63];
220} __packed;
221
222
223struct 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] */
239struct 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
256struct 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] */
264struct 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] */
311struct 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] */
319struct 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] */
327struct 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 occur 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 meaningful */
349 uint8_t reserved[22];
350} __packed;
351
352
353/* UDF specific implementation use part of the implementation use volume descriptor */
354struct 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 */
368struct 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] */
380struct 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] */
407struct 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] */
416struct 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] */
428struct 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] */
440struct 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] */
456struct 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 necessary in blocks */
468 uint8_t flags;
469 uint8_t reserved1[5];
470} __packed;
471#define METADATA_DUPLICATED 1
472
473
474union 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] */
485struct 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] */
492struct 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)] */
504struct 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] */
511struct 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 */
527struct 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 */
536struct 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 */
545struct part_hdr_desc {
546 struct short_ad unalloc_space_table;
547 struct short_ad unalloc_space_bitmap;
548 struct short_ad part_integrity_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] */
556struct 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) */
578struct 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] */
587struct logvolhdr {
588 uint64_t next_unique_id;
589 /* rest reserved */
590} __packed;
591
592
593struct 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
603struct 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] */
620struct 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] */
644struct 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] */
662struct 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] */
672struct 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] */
681struct 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] */
690struct 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] */
699struct 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 ascending 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] */
714struct 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 */
725struct 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] */
734struct 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] */
764struct 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] */
795struct 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] */
803struct 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
811union 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