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Merge commit 'kumar/kumar-next' into next
[linux-2.6-block.git] / fs / udf / ecma_167.h
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1da177e4
LT		 1/*
2 * ecma_167.h
3 *
4 * This file is based on ECMA-167 3rd edition (June 1997)
5 * http://www.ecma.ch
6 *
7 * Copyright (c) 2001-2002 Ben Fennema <bfennema@falcon.csc.calpoly.edu>
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions, and the following disclaimer,
15 * without modification.
16 * 2. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * Alternatively, this software may be distributed under the terms of the
20 * GNU Public License ("GPL").
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
26 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35#include <linux/types.h>
36
37#ifndef _ECMA_167_H
38#define _ECMA_167_H 1
39
40/* Character set specification (ECMA 167r3 1/7.2.1) */
cb00ea35 41typedef struct {
28de7948
CG		 42 uint8_t charSetType;
43 uint8_t charSetInfo[63];
1da177e4
LT		 44} __attribute__ ((packed)) charspec;
45
46/* Character Set Type (ECMA 167r3 1/7.2.1.1) */
47#define CHARSPEC_TYPE_CS0 0x00 /* (1/7.2.2) */
48#define CHARSPEC_TYPE_CS1 0x01 /* (1/7.2.3) */
49#define CHARSPEC_TYPE_CS2 0x02 /* (1/7.2.4) */
50#define CHARSPEC_TYPE_CS3 0x03 /* (1/7.2.5) */
51#define CHARSPEC_TYPE_CS4 0x04 /* (1/7.2.6) */
52#define CHARSPEC_TYPE_CS5 0x05 /* (1/7.2.7) */
53#define CHARSPEC_TYPE_CS6 0x06 /* (1/7.2.8) */
54#define CHARSPEC_TYPE_CS7 0x07 /* (1/7.2.9) */
55#define CHARSPEC_TYPE_CS8 0x08 /* (1/7.2.10) */
56
28de7948 57typedef uint8_t dstring;
1da177e4
LT		 58
59/* Timestamp (ECMA 167r3 1/7.3) */
cb00ea35 60typedef struct {
28de7948
CG		 61 __le16 typeAndTimezone;
62 __le16 year;
63 uint8_t month;
64 uint8_t day;
65 uint8_t hour;
66 uint8_t minute;
67 uint8_t second;
68 uint8_t centiseconds;
69 uint8_t hundredsOfMicroseconds;
70 uint8_t microseconds;
1da177e4
LT		 71} __attribute__ ((packed)) timestamp;
72
1da177e4
LT		 73/* Type and Time Zone (ECMA 167r3 1/7.3.1) */
74#define TIMESTAMP_TYPE_MASK 0xF000
75#define TIMESTAMP_TYPE_CUT 0x0000
76#define TIMESTAMP_TYPE_LOCAL 0x1000
77#define TIMESTAMP_TYPE_AGREEMENT 0x2000
78#define TIMESTAMP_TIMEZONE_MASK 0x0FFF
79
80/* Entity identifier (ECMA 167r3 1/7.4) */
cb00ea35 81typedef struct {
28de7948
CG		 82 uint8_t flags;
83 uint8_t ident[23];
84 uint8_t identSuffix[8];
1da177e4
LT		 85} __attribute__ ((packed)) regid;
86
87/* Flags (ECMA 167r3 1/7.4.1) */
88#define ENTITYID_FLAGS_DIRTY 0x00
89#define ENTITYID_FLAGS_PROTECTED 0x01
90
91/* Volume Structure Descriptor (ECMA 167r3 2/9.1) */
92#define VSD_STD_ID_LEN 5
cb00ea35 93struct volStructDesc {
28de7948
CG		 94 uint8_t structType;
95 uint8_t stdIdent[VSD_STD_ID_LEN];
96 uint8_t structVersion;
97 uint8_t structData[2041];
1da177e4
LT		 98} __attribute__ ((packed));
99
100/* Standard Identifier (EMCA 167r2 2/9.1.2) */
101#define VSD_STD_ID_NSR02 "NSR02" /* (3/9.1) */
102
103/* Standard Identifier (ECMA 167r3 2/9.1.2) */
104#define VSD_STD_ID_BEA01 "BEA01" /* (2/9.2) */
105#define VSD_STD_ID_BOOT2 "BOOT2" /* (2/9.4) */
106#define VSD_STD_ID_CD001 "CD001" /* (ECMA-119) */
107#define VSD_STD_ID_CDW02 "CDW02" /* (ECMA-168) */
108#define VSD_STD_ID_NSR03 "NSR03" /* (3/9.1) */
109#define VSD_STD_ID_TEA01 "TEA01" /* (2/9.3) */
110
111/* Beginning Extended Area Descriptor (ECMA 167r3 2/9.2) */
cb00ea35 112struct beginningExtendedAreaDesc {
28de7948
CG		 113 uint8_t structType;
114 uint8_t stdIdent[VSD_STD_ID_LEN];
115 uint8_t structVersion;
116 uint8_t structData[2041];
1da177e4
LT		 117} __attribute__ ((packed));
118
119/* Terminating Extended Area Descriptor (ECMA 167r3 2/9.3) */
cb00ea35 120struct terminatingExtendedAreaDesc {
28de7948
CG		 121 uint8_t structType;
122 uint8_t stdIdent[VSD_STD_ID_LEN];
123 uint8_t structVersion;
124 uint8_t structData[2041];
1da177e4
LT		 125} __attribute__ ((packed));
126
127/* Boot Descriptor (ECMA 167r3 2/9.4) */
cb00ea35 128struct bootDesc {
28de7948
CG		 129 uint8_t structType;
130 uint8_t stdIdent[VSD_STD_ID_LEN];
131 uint8_t structVersion;
132 uint8_t reserved1;
133 regid archType;
134 regid bootIdent;
135 __le32 bootExtLocation;
136 __le32 bootExtLength;
137 __le64 loadAddress;
138 __le64 startAddress;
139 timestamp descCreationDateAndTime;
140 __le16 flags;
141 uint8_t reserved2[32];
142 uint8_t bootUse[1906];
1da177e4
LT		 143} __attribute__ ((packed));
144
145/* Flags (ECMA 167r3 2/9.4.12) */
146#define BOOT_FLAGS_ERASE 0x01
147
148/* Extent Descriptor (ECMA 167r3 3/7.1) */
cb00ea35 149typedef struct {
28de7948
CG		 150 __le32 extLength;
151 __le32 extLocation;
1da177e4
LT		 152} __attribute__ ((packed)) extent_ad;
153
cb00ea35 154typedef struct {
28de7948
CG		 155 uint32_t extLength;
156 uint32_t extLocation;
1da177e4
LT		 157} kernel_extent_ad;
158
159/* Descriptor Tag (ECMA 167r3 3/7.2) */
cb00ea35 160typedef struct {
28de7948
CG		 161 __le16 tagIdent;
162 __le16 descVersion;
163 uint8_t tagChecksum;
164 uint8_t reserved;
165 __le16 tagSerialNum;
166 __le16 descCRC;
167 __le16 descCRCLength;
168 __le32 tagLocation;
1da177e4
LT		 169} __attribute__ ((packed)) tag;
170
171/* Tag Identifier (ECMA 167r3 3/7.2.1) */
172#define TAG_IDENT_PVD 0x0001
173#define TAG_IDENT_AVDP 0x0002
174#define TAG_IDENT_VDP 0x0003
175#define TAG_IDENT_IUVD 0x0004
176#define TAG_IDENT_PD 0x0005
177#define TAG_IDENT_LVD 0x0006
178#define TAG_IDENT_USD 0x0007
179#define TAG_IDENT_TD 0x0008
180#define TAG_IDENT_LVID 0x0009
181
182/* NSR Descriptor (ECMA 167r3 3/9.1) */
cb00ea35 183struct NSRDesc {
28de7948
CG		 184 uint8_t structType;
185 uint8_t stdIdent[VSD_STD_ID_LEN];
186 uint8_t structVersion;
187 uint8_t reserved;
188 uint8_t structData[2040];
cb00ea35
CG		 189} __attribute__ ((packed));
190
1da177e4 191/* Primary Volume Descriptor (ECMA 167r3 3/10.1) */
cb00ea35 192struct primaryVolDesc {
28de7948
CG		 193 tag descTag;
194 __le32 volDescSeqNum;
195 __le32 primaryVolDescNum;
196 dstring volIdent[32];
197 __le16 volSeqNum;
198 __le16 maxVolSeqNum;
199 __le16 interchangeLvl;
200 __le16 maxInterchangeLvl;
201 __le32 charSetList;
202 __le32 maxCharSetList;
203 dstring volSetIdent[128];
204 charspec descCharSet;
205 charspec explanatoryCharSet;
206 extent_ad volAbstract;
207 extent_ad volCopyright;
208 regid appIdent;
209 timestamp recordingDateAndTime;
210 regid impIdent;
211 uint8_t impUse[64];
212 __le32 predecessorVolDescSeqLocation;
213 __le16 flags;
214 uint8_t reserved[22];
1da177e4
LT		 215} __attribute__ ((packed));
216
217/* Flags (ECMA 167r3 3/10.1.21) */
218#define PVD_FLAGS_VSID_COMMON 0x0001
219
220/* Anchor Volume Descriptor Pointer (ECMA 167r3 3/10.2) */
cb00ea35 221struct anchorVolDescPtr {
28de7948
CG		 222 tag descTag;
223 extent_ad mainVolDescSeqExt;
224 extent_ad reserveVolDescSeqExt;
225 uint8_t reserved[480];
1da177e4
LT		 226} __attribute__ ((packed));
227
228/* Volume Descriptor Pointer (ECMA 167r3 3/10.3) */
cb00ea35 229struct volDescPtr {
28de7948
CG		 230 tag descTag;
231 __le32 volDescSeqNum;
232 extent_ad nextVolDescSeqExt;
233 uint8_t reserved[484];
1da177e4
LT		 234} __attribute__ ((packed));
235
236/* Implementation Use Volume Descriptor (ECMA 167r3 3/10.4) */
cb00ea35 237struct impUseVolDesc {
28de7948
CG		 238 tag descTag;
239 __le32 volDescSeqNum;
240 regid impIdent;
241 uint8_t impUse[460];
1da177e4
LT		 242} __attribute__ ((packed));
243
244/* Partition Descriptor (ECMA 167r3 3/10.5) */
cb00ea35
CG		 245struct partitionDesc {
246 tag descTag;
247 __le32 volDescSeqNum;
248 __le16 partitionFlags;
249 __le16 partitionNumber;
250 regid partitionContents;
251 uint8_t partitionContentsUse[128];
252 __le32 accessType;
253 __le32 partitionStartingLocation;
254 __le32 partitionLength;
255 regid impIdent;
256 uint8_t impUse[128];
257 uint8_t reserved[156];
1da177e4
LT		 258} __attribute__ ((packed));
259
260/* Partition Flags (ECMA 167r3 3/10.5.3) */
261#define PD_PARTITION_FLAGS_ALLOC 0x0001
262
263/* Partition Contents (ECMA 167r2 3/10.5.3) */
264#define PD_PARTITION_CONTENTS_NSR02 "+NSR02"
265
266/* Partition Contents (ECMA 167r3 3/10.5.5) */
267#define PD_PARTITION_CONTENTS_FDC01 "+FDC01"
268#define PD_PARTITION_CONTENTS_CD001 "+CD001"
269#define PD_PARTITION_CONTENTS_CDW02 "+CDW02"
270#define PD_PARTITION_CONTENTS_NSR03 "+NSR03"
271
272/* Access Type (ECMA 167r3 3/10.5.7) */
273#define PD_ACCESS_TYPE_NONE 0x00000000
274#define PD_ACCESS_TYPE_READ_ONLY 0x00000001
275#define PD_ACCESS_TYPE_WRITE_ONCE 0x00000002
276#define PD_ACCESS_TYPE_REWRITABLE 0x00000003
277#define PD_ACCESS_TYPE_OVERWRITABLE 0x00000004
278
279/* Logical Volume Descriptor (ECMA 167r3 3/10.6) */
cb00ea35 280struct logicalVolDesc {
28de7948
CG		 281 tag descTag;
282 __le32 volDescSeqNum;
283 charspec descCharSet;
284 dstring logicalVolIdent[128];
285 __le32 logicalBlockSize;
286 regid domainIdent;
287 uint8_t logicalVolContentsUse[16];
288 __le32 mapTableLength;
289 __le32 numPartitionMaps;
290 regid impIdent;
291 uint8_t impUse[128];
292 extent_ad integritySeqExt;
293 uint8_t partitionMaps[0];
1da177e4
LT		 294} __attribute__ ((packed));
295
296/* Generic Partition Map (ECMA 167r3 3/10.7.1) */
cb00ea35 297struct genericPartitionMap {
28de7948
CG		 298 uint8_t partitionMapType;
299 uint8_t partitionMapLength;
300 uint8_t partitionMapping[0];
1da177e4
LT		 301} __attribute__ ((packed));
302
303/* Partition Map Type (ECMA 167r3 3/10.7.1.1) */
304#define GP_PARTITION_MAP_TYPE_UNDEF 0x00
305#define GP_PARTIITON_MAP_TYPE_1 0x01
306#define GP_PARTITION_MAP_TYPE_2 0x02
307
308/* Type 1 Partition Map (ECMA 167r3 3/10.7.2) */
cb00ea35 309struct genericPartitionMap1 {
28de7948
CG		 310 uint8_t partitionMapType;
311 uint8_t partitionMapLength;
312 __le16 volSeqNum;
313 __le16 partitionNum;
1da177e4
LT		 314} __attribute__ ((packed));
315
316/* Type 2 Partition Map (ECMA 167r3 3/10.7.3) */
cb00ea35 317struct genericPartitionMap2 {
28de7948
CG		 318 uint8_t partitionMapType;
319 uint8_t partitionMapLength;
320 uint8_t partitionIdent[62];
1da177e4
LT		 321} __attribute__ ((packed));
322
323/* Unallocated Space Descriptor (ECMA 167r3 3/10.8) */
cb00ea35 324struct unallocSpaceDesc {
28de7948
CG		 325 tag descTag;
326 __le32 volDescSeqNum;
327 __le32 numAllocDescs;
328 extent_ad allocDescs[0];
1da177e4
LT		 329} __attribute__ ((packed));
330
331/* Terminating Descriptor (ECMA 167r3 3/10.9) */
cb00ea35 332struct terminatingDesc {
28de7948
CG		 333 tag descTag;
334 uint8_t reserved[496];
1da177e4
LT		 335} __attribute__ ((packed));
336
337/* Logical Volume Integrity Descriptor (ECMA 167r3 3/10.10) */
cb00ea35 338struct logicalVolIntegrityDesc {
28de7948
CG		 339 tag descTag;
340 timestamp recordingDateAndTime;
341 __le32 integrityType;
342 extent_ad nextIntegrityExt;
343 uint8_t logicalVolContentsUse[32];
344 __le32 numOfPartitions;
345 __le32 lengthOfImpUse;
346 __le32 freeSpaceTable[0];
347 __le32 sizeTable[0];
348 uint8_t impUse[0];
1da177e4
LT		 349} __attribute__ ((packed));
350
351/* Integrity Type (ECMA 167r3 3/10.10.3) */
352#define LVID_INTEGRITY_TYPE_OPEN 0x00000000
353#define LVID_INTEGRITY_TYPE_CLOSE 0x00000001
354
355/* Recorded Address (ECMA 167r3 4/7.1) */
cb00ea35 356typedef struct {
28de7948
CG		 357 __le32 logicalBlockNum;
358 __le16 partitionReferenceNum;
1da177e4
LT		 359} __attribute__ ((packed)) lb_addr;
360
361/* ... and its in-core analog */
cb00ea35 362typedef struct {
28de7948
CG		 363 uint32_t logicalBlockNum;
364 uint16_t partitionReferenceNum;
1da177e4
LT		 365} kernel_lb_addr;
366
367/* Short Allocation Descriptor (ECMA 167r3 4/14.14.1) */
cb00ea35 368typedef struct {
28de7948
CG		 369 __le32 extLength;
370 __le32 extPosition;
1da177e4
LT		 371} __attribute__ ((packed)) short_ad;
372
373/* Long Allocation Descriptor (ECMA 167r3 4/14.14.2) */
cb00ea35 374typedef struct {
28de7948
CG		 375 __le32 extLength;
376 lb_addr extLocation;
377 uint8_t impUse[6];
1da177e4
LT		 378} __attribute__ ((packed)) long_ad;
379
cb00ea35 380typedef struct {
28de7948
CG		 381 uint32_t extLength;
382 kernel_lb_addr extLocation;
383 uint8_t impUse[6];
1da177e4
LT		 384} kernel_long_ad;
385
386/* Extended Allocation Descriptor (ECMA 167r3 4/14.14.3) */
cb00ea35 387typedef struct {
28de7948
CG		 388 __le32 extLength;
389 __le32 recordedLength;
390 __le32 informationLength;
391 lb_addr extLocation;
1da177e4
LT		 392} __attribute__ ((packed)) ext_ad;
393
cb00ea35 394typedef struct {
28de7948
CG		 395 uint32_t extLength;
396 uint32_t recordedLength;
397 uint32_t informationLength;
398 kernel_lb_addr extLocation;
1da177e4
LT		 399} kernel_ext_ad;
400
401/* Descriptor Tag (ECMA 167r3 4/7.2 - See 3/7.2) */
402
403/* Tag Identifier (ECMA 167r3 4/7.2.1) */
404#define TAG_IDENT_FSD 0x0100
405#define TAG_IDENT_FID 0x0101
406#define TAG_IDENT_AED 0x0102
407#define TAG_IDENT_IE 0x0103
408#define TAG_IDENT_TE 0x0104
409#define TAG_IDENT_FE 0x0105
410#define TAG_IDENT_EAHD 0x0106
411#define TAG_IDENT_USE 0x0107
412#define TAG_IDENT_SBD 0x0108
413#define TAG_IDENT_PIE 0x0109
414#define TAG_IDENT_EFE 0x010A
415
416/* File Set Descriptor (ECMA 167r3 4/14.1) */
cb00ea35 417struct fileSetDesc {
28de7948
CG		 418 tag descTag;
419 timestamp recordingDateAndTime;
420 __le16 interchangeLvl;
421 __le16 maxInterchangeLvl;
422 __le32 charSetList;
423 __le32 maxCharSetList;
424 __le32 fileSetNum;
425 __le32 fileSetDescNum;
426 charspec logicalVolIdentCharSet;
427 dstring logicalVolIdent[128];
428 charspec fileSetCharSet;
429 dstring fileSetIdent[32];
430 dstring copyrightFileIdent[32];
431 dstring abstractFileIdent[32];
432 long_ad rootDirectoryICB;
433 regid domainIdent;
434 long_ad nextExt;
435 long_ad streamDirectoryICB;
436 uint8_t reserved[32];
1da177e4
LT		 437} __attribute__ ((packed));
438
439/* Partition Header Descriptor (ECMA 167r3 4/14.3) */
cb00ea35 440struct partitionHeaderDesc {
28de7948
CG		 441 short_ad unallocSpaceTable;
442 short_ad unallocSpaceBitmap;
443 short_ad partitionIntegrityTable;
444 short_ad freedSpaceTable;
445 short_ad freedSpaceBitmap;
446 uint8_t reserved[88];
1da177e4
LT		 447} __attribute__ ((packed));
448
449/* File Identifier Descriptor (ECMA 167r3 4/14.4) */
cb00ea35 450struct fileIdentDesc {
28de7948
CG		 451 tag descTag;
452 __le16 fileVersionNum;
453 uint8_t fileCharacteristics;
454 uint8_t lengthFileIdent;
455 long_ad icb;
456 __le16 lengthOfImpUse;
457 uint8_t impUse[0];
458 uint8_t fileIdent[0];
459 uint8_t padding[0];
1da177e4
LT		 460} __attribute__ ((packed));
461
462/* File Characteristics (ECMA 167r3 4/14.4.3) */
463#define FID_FILE_CHAR_HIDDEN 0x01
464#define FID_FILE_CHAR_DIRECTORY 0x02
465#define FID_FILE_CHAR_DELETED 0x04
466#define FID_FILE_CHAR_PARENT 0x08
467#define FID_FILE_CHAR_METADATA 0x10
468
469/* Allocation Ext Descriptor (ECMA 167r3 4/14.5) */
cb00ea35 470struct allocExtDesc {
28de7948
CG		 471 tag descTag;
472 __le32 previousAllocExtLocation;
473 __le32 lengthAllocDescs;
1da177e4
LT		 474} __attribute__ ((packed));
475
476/* ICB Tag (ECMA 167r3 4/14.6) */
cb00ea35 477typedef struct {
28de7948
CG		 478 __le32 priorRecordedNumDirectEntries;
479 __le16 strategyType;
480 __le16 strategyParameter;
481 __le16 numEntries;
482 uint8_t reserved;
483 uint8_t fileType;
484 lb_addr parentICBLocation;
485 __le16 flags;
1da177e4
LT		 486} __attribute__ ((packed)) icbtag;
487
488/* Strategy Type (ECMA 167r3 4/14.6.2) */
489#define ICBTAG_STRATEGY_TYPE_UNDEF 0x0000
490#define ICBTAG_STRATEGY_TYPE_1 0x0001
491#define ICBTAG_STRATEGY_TYPE_2 0x0002
492#define ICBTAG_STRATEGY_TYPE_3 0x0003
493#define ICBTAG_STRATEGY_TYPE_4 0x0004
494
495/* File Type (ECMA 167r3 4/14.6.6) */
496#define ICBTAG_FILE_TYPE_UNDEF 0x00
497#define ICBTAG_FILE_TYPE_USE 0x01
498#define ICBTAG_FILE_TYPE_PIE 0x02
499#define ICBTAG_FILE_TYPE_IE 0x03
500#define ICBTAG_FILE_TYPE_DIRECTORY 0x04
501#define ICBTAG_FILE_TYPE_REGULAR 0x05
502#define ICBTAG_FILE_TYPE_BLOCK 0x06
503#define ICBTAG_FILE_TYPE_CHAR 0x07
504#define ICBTAG_FILE_TYPE_EA 0x08
505#define ICBTAG_FILE_TYPE_FIFO 0x09
506#define ICBTAG_FILE_TYPE_SOCKET 0x0A
507#define ICBTAG_FILE_TYPE_TE 0x0B
508#define ICBTAG_FILE_TYPE_SYMLINK 0x0C
509#define ICBTAG_FILE_TYPE_STREAMDIR 0x0D
510
511/* Flags (ECMA 167r3 4/14.6.8) */
512#define ICBTAG_FLAG_AD_MASK 0x0007
513#define ICBTAG_FLAG_AD_SHORT 0x0000
514#define ICBTAG_FLAG_AD_LONG 0x0001
515#define ICBTAG_FLAG_AD_EXTENDED 0x0002
516#define ICBTAG_FLAG_AD_IN_ICB 0x0003
517#define ICBTAG_FLAG_SORTED 0x0008
518#define ICBTAG_FLAG_NONRELOCATABLE 0x0010
519#define ICBTAG_FLAG_ARCHIVE 0x0020
520#define ICBTAG_FLAG_SETUID 0x0040
521#define ICBTAG_FLAG_SETGID 0x0080
522#define ICBTAG_FLAG_STICKY 0x0100
523#define ICBTAG_FLAG_CONTIGUOUS 0x0200
524#define ICBTAG_FLAG_SYSTEM 0x0400
525#define ICBTAG_FLAG_TRANSFORMED 0x0800
526#define ICBTAG_FLAG_MULTIVERSIONS 0x1000
527#define ICBTAG_FLAG_STREAM 0x2000
528
529/* Indirect Entry (ECMA 167r3 4/14.7) */
cb00ea35 530struct indirectEntry {
28de7948
CG		 531 tag descTag;
532 icbtag icbTag;
533 long_ad indirectICB;
1da177e4
LT		 534} __attribute__ ((packed));
535
536/* Terminal Entry (ECMA 167r3 4/14.8) */
cb00ea35 537struct terminalEntry {
28de7948
CG		 538 tag descTag;
539 icbtag icbTag;
1da177e4
LT		 540} __attribute__ ((packed));
541
542/* File Entry (ECMA 167r3 4/14.9) */
cb00ea35 543struct fileEntry {
28de7948
CG		 544 tag descTag;
545 icbtag icbTag;
546 __le32 uid;
547 __le32 gid;
548 __le32 permissions;
549 __le16 fileLinkCount;
550 uint8_t recordFormat;
551 uint8_t recordDisplayAttr;
552 __le32 recordLength;
553 __le64 informationLength;
554 __le64 logicalBlocksRecorded;
555 timestamp accessTime;
556 timestamp modificationTime;
557 timestamp attrTime;
558 __le32 checkpoint;
559 long_ad extendedAttrICB;
560 regid impIdent;
561 __le64 uniqueID;
562 __le32 lengthExtendedAttr;
563 __le32 lengthAllocDescs;
564 uint8_t extendedAttr[0];
565 uint8_t allocDescs[0];
1da177e4
LT		 566} __attribute__ ((packed));
567
568/* Permissions (ECMA 167r3 4/14.9.5) */
569#define FE_PERM_O_EXEC 0x00000001U
570#define FE_PERM_O_WRITE 0x00000002U
571#define FE_PERM_O_READ 0x00000004U
572#define FE_PERM_O_CHATTR 0x00000008U
573#define FE_PERM_O_DELETE 0x00000010U
574#define FE_PERM_G_EXEC 0x00000020U
575#define FE_PERM_G_WRITE 0x00000040U
576#define FE_PERM_G_READ 0x00000080U
577#define FE_PERM_G_CHATTR 0x00000100U
578#define FE_PERM_G_DELETE 0x00000200U
579#define FE_PERM_U_EXEC 0x00000400U
580#define FE_PERM_U_WRITE 0x00000800U
581#define FE_PERM_U_READ 0x00001000U
582#define FE_PERM_U_CHATTR 0x00002000U
583#define FE_PERM_U_DELETE 0x00004000U
584
585/* Record Format (ECMA 167r3 4/14.9.7) */
586#define FE_RECORD_FMT_UNDEF 0x00
587#define FE_RECORD_FMT_FIXED_PAD 0x01
588#define FE_RECORD_FMT_FIXED 0x02
589#define FE_RECORD_FMT_VARIABLE8 0x03
590#define FE_RECORD_FMT_VARIABLE16 0x04
591#define FE_RECORD_FMT_VARIABLE16_MSB 0x05
592#define FE_RECORD_FMT_VARIABLE32 0x06
593#define FE_RECORD_FMT_PRINT 0x07
594#define FE_RECORD_FMT_LF 0x08
595#define FE_RECORD_FMT_CR 0x09
596#define FE_RECORD_FMT_CRLF 0x0A
597#define FE_RECORD_FMT_LFCR 0x0B
598
599/* Record Display Attributes (ECMA 167r3 4/14.9.8) */
600#define FE_RECORD_DISPLAY_ATTR_UNDEF 0x00
601#define FE_RECORD_DISPLAY_ATTR_1 0x01
602#define FE_RECORD_DISPLAY_ATTR_2 0x02
603#define FE_RECORD_DISPLAY_ATTR_3 0x03
604
605/* Extended Attribute Header Descriptor (ECMA 167r3 4/14.10.1) */
cb00ea35 606struct extendedAttrHeaderDesc {
28de7948
CG		 607 tag descTag;
608 __le32 impAttrLocation;
609 __le32 appAttrLocation;
1da177e4
LT		 610} __attribute__ ((packed));
611
612/* Generic Format (ECMA 167r3 4/14.10.2) */
cb00ea35 613struct genericFormat {
28de7948
CG		 614 __le32 attrType;
615 uint8_t attrSubtype;
616 uint8_t reserved[3];
617 __le32 attrLength;
618 uint8_t attrData[0];
1da177e4
LT		 619} __attribute__ ((packed));
620
621/* Character Set Information (ECMA 167r3 4/14.10.3) */
cb00ea35 622struct charSetInfo {
28de7948
CG		 623 __le32 attrType;
624 uint8_t attrSubtype;
625 uint8_t reserved[3];
626 __le32 attrLength;
627 __le32 escapeSeqLength;
628 uint8_t charSetType;
629 uint8_t escapeSeq[0];
1da177e4
LT		 630} __attribute__ ((packed));
631
632/* Alternate Permissions (ECMA 167r3 4/14.10.4) */
cb00ea35 633struct altPerms {
28de7948
CG		 634 __le32 attrType;
635 uint8_t attrSubtype;
636 uint8_t reserved[3];
637 __le32 attrLength;
638 __le16 ownerIdent;
639 __le16 groupIdent;
640 __le16 permission;
1da177e4
LT		 641} __attribute__ ((packed));
642
643/* File Times Extended Attribute (ECMA 167r3 4/14.10.5) */
cb00ea35 644struct fileTimesExtAttr {
28de7948
CG		 645 __le32 attrType;
646 uint8_t attrSubtype;
647 uint8_t reserved[3];
648 __le32 attrLength;
649 __le32 dataLength;
650 __le32 fileTimeExistence;
651 uint8_t fileTimes;
1da177e4
LT		 652} __attribute__ ((packed));
653
654/* FileTimeExistence (ECMA 167r3 4/14.10.5.6) */
655#define FTE_CREATION 0x00000001
656#define FTE_DELETION 0x00000004
657#define FTE_EFFECTIVE 0x00000008
658#define FTE_BACKUP 0x00000002
659
660/* Information Times Extended Attribute (ECMA 167r3 4/14.10.6) */
cb00ea35 661struct infoTimesExtAttr {
28de7948
CG		 662 __le32 attrType;
663 uint8_t attrSubtype;
664 uint8_t reserved[3];
665 __le32 attrLength;
666 __le32 dataLength;
667 __le32 infoTimeExistence;
668 uint8_t infoTimes[0];
1da177e4
LT		 669} __attribute__ ((packed));
670
671/* Device Specification (ECMA 167r3 4/14.10.7) */
cb00ea35 672struct deviceSpec {
28de7948
CG		 673 __le32 attrType;
674 uint8_t attrSubtype;
675 uint8_t reserved[3];
676 __le32 attrLength;
677 __le32 impUseLength;
678 __le32 majorDeviceIdent;
679 __le32 minorDeviceIdent;
680 uint8_t impUse[0];
1da177e4
LT		 681} __attribute__ ((packed));
682
683/* Implementation Use Extended Attr (ECMA 167r3 4/14.10.8) */
cb00ea35 684struct impUseExtAttr {
28de7948
CG		 685 __le32 attrType;
686 uint8_t attrSubtype;
687 uint8_t reserved[3];
688 __le32 attrLength;
689 __le32 impUseLength;
690 regid impIdent;
691 uint8_t impUse[0];
1da177e4
LT		 692} __attribute__ ((packed));
693
694/* Application Use Extended Attribute (ECMA 167r3 4/14.10.9) */
cb00ea35 695struct appUseExtAttr {
28de7948
CG		 696 __le32 attrType;
697 uint8_t attrSubtype;
698 uint8_t reserved[3];
699 __le32 attrLength;
700 __le32 appUseLength;
701 regid appIdent;
702 uint8_t appUse[0];
1da177e4
LT		 703} __attribute__ ((packed));
704
705#define EXTATTR_CHAR_SET 1
706#define EXTATTR_ALT_PERMS 3
707#define EXTATTR_FILE_TIMES 5
708#define EXTATTR_INFO_TIMES 6
709#define EXTATTR_DEV_SPEC 12
710#define EXTATTR_IMP_USE 2048
711#define EXTATTR_APP_USE 65536
712
1da177e4 713/* Unallocated Space Entry (ECMA 167r3 4/14.11) */
cb00ea35 714struct unallocSpaceEntry {
28de7948
CG		 715 tag descTag;
716 icbtag icbTag;
717 __le32 lengthAllocDescs;
718 uint8_t allocDescs[0];
1da177e4
LT		 719} __attribute__ ((packed));
720
721/* Space Bitmap Descriptor (ECMA 167r3 4/14.12) */
cb00ea35 722struct spaceBitmapDesc {
28de7948
CG		 723 tag descTag;
724 __le32 numOfBits;
725 __le32 numOfBytes;
726 uint8_t bitmap[0];
1da177e4
LT		 727} __attribute__ ((packed));
728
729/* Partition Integrity Entry (ECMA 167r3 4/14.13) */
cb00ea35 730struct partitionIntegrityEntry {
28de7948
CG		 731 tag descTag;
732 icbtag icbTag;
733 timestamp recordingDateAndTime;
734 uint8_t integrityType;
735 uint8_t reserved[175];
736 regid impIdent;
737 uint8_t impUse[256];
1da177e4
LT		 738} __attribute__ ((packed));
739
740/* Short Allocation Descriptor (ECMA 167r3 4/14.14.1) */
741
742/* Extent Length (ECMA 167r3 4/14.14.1.1) */
743#define EXT_RECORDED_ALLOCATED 0x00000000
744#define EXT_NOT_RECORDED_ALLOCATED 0x40000000
745#define EXT_NOT_RECORDED_NOT_ALLOCATED 0x80000000
746#define EXT_NEXT_EXTENT_ALLOCDECS 0xC0000000
747
748/* Long Allocation Descriptor (ECMA 167r3 4/14.14.2) */
749
750/* Extended Allocation Descriptor (ECMA 167r3 4/14.14.3) */
751
752/* Logical Volume Header Descriptor (ECMA 167r3 4/14.15) */
cb00ea35 753struct logicalVolHeaderDesc {
28de7948
CG		 754 __le64 uniqueID;
755 uint8_t reserved[24];
1da177e4
LT		 756} __attribute__ ((packed));
757
758/* Path Component (ECMA 167r3 4/14.16.1) */
cb00ea35 759struct pathComponent {
28de7948
CG		 760 uint8_t componentType;
761 uint8_t lengthComponentIdent;
762 __le16 componentFileVersionNum;
763 dstring componentIdent[0];
1da177e4
LT		 764} __attribute__ ((packed));
765
766/* File Entry (ECMA 167r3 4/14.17) */
cb00ea35 767struct extendedFileEntry {
28de7948
CG		 768 tag descTag;
769 icbtag icbTag;
770 __le32 uid;
771 __le32 gid;
772 __le32 permissions;
773 __le16 fileLinkCount;
774 uint8_t recordFormat;
775 uint8_t recordDisplayAttr;
776 __le32 recordLength;
777 __le64 informationLength;
778 __le64 objectSize;
779 __le64 logicalBlocksRecorded;
780 timestamp accessTime;
781 timestamp modificationTime;
782 timestamp createTime;
783 timestamp attrTime;
784 __le32 checkpoint;
785 __le32 reserved;
786 long_ad extendedAttrICB;
787 long_ad streamDirectoryICB;
788 regid impIdent;
789 __le64 uniqueID;
790 __le32 lengthExtendedAttr;
791 __le32 lengthAllocDescs;
792 uint8_t extendedAttr[0];
793 uint8_t allocDescs[0];
794} __attribute__ ((packed));
795
796#endif /* _ECMA_167_H */
Linux 6.x block layer and io_uring tree(s)