xref: /linux/fs/udf/ecma_167.h (revision 0526b56cbc3c489642bd6a5fe4b718dea7ef0ee8)
1 /*
2  * ecma_167.h
3  *
4  * This file is based on ECMA-167 3rd edition (June 1997)
5  * https://www.ecma.ch
6  *
7  * Copyright (c) 2001-2002  Ben Fennema
8  * Copyright (c) 2017-2019  Pali Rohár <pali@kernel.org>
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions, and the following disclaimer,
16  *    without modification.
17  * 2. The name of the author may not be used to endorse or promote products
18  *    derived from this software without specific prior written permission.
19  *
20  * Alternatively, this software may be distributed under the terms of the
21  * GNU Public License ("GPL").
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
27  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 /**
37  * @file
38  * ECMA-167r3 defines and structure definitions
39  */
40 
41 #include <linux/types.h>
42 
43 #ifndef _ECMA_167_H
44 #define _ECMA_167_H 1
45 
46 /* Character sets and coding - d-characters (ECMA 167r3 1/7.2) */
47 typedef uint8_t		dchars;
48 
49 /* Character set specification (ECMA 167r3 1/7.2.1) */
50 struct charspec {
51 	uint8_t		charSetType;
52 	uint8_t		charSetInfo[63];
53 } __packed;
54 
55 /* Character Set Type (ECMA 167r3 1/7.2.1.1) */
56 #define CHARSPEC_TYPE_CS0		0x00	/* (1/7.2.2) */
57 #define CHARSPEC_TYPE_CS1		0x01	/* (1/7.2.3) */
58 #define CHARSPEC_TYPE_CS2		0x02	/* (1/7.2.4) */
59 #define CHARSPEC_TYPE_CS3		0x03	/* (1/7.2.5) */
60 #define CHARSPEC_TYPE_CS4		0x04	/* (1/7.2.6) */
61 #define CHARSPEC_TYPE_CS5		0x05	/* (1/7.2.7) */
62 #define CHARSPEC_TYPE_CS6		0x06	/* (1/7.2.8) */
63 #define CHARSPEC_TYPE_CS7		0x07	/* (1/7.2.9) */
64 #define CHARSPEC_TYPE_CS8		0x08	/* (1/7.2.10) */
65 
66 /* Fixed-length character fields - d-string (EMCA 167r3 1/7.2.12) */
67 typedef uint8_t		dstring;
68 
69 /* Timestamp (ECMA 167r3 1/7.3) */
70 struct timestamp {
71 	__le16		typeAndTimezone;
72 	__le16		year;
73 	uint8_t		month;
74 	uint8_t		day;
75 	uint8_t		hour;
76 	uint8_t		minute;
77 	uint8_t		second;
78 	uint8_t		centiseconds;
79 	uint8_t		hundredsOfMicroseconds;
80 	uint8_t		microseconds;
81 } __packed;
82 
83 /* Type and Time Zone (ECMA 167r3 1/7.3.1) */
84 #define TIMESTAMP_TYPE_MASK		0xF000
85 #define TIMESTAMP_TYPE_CUT		0x0000
86 #define TIMESTAMP_TYPE_LOCAL		0x1000
87 #define TIMESTAMP_TYPE_AGREEMENT	0x2000
88 #define TIMESTAMP_TIMEZONE_MASK		0x0FFF
89 
90 /* Entity identifier (ECMA 167r3 1/7.4) */
91 struct regid {
92 	uint8_t		flags;
93 	uint8_t		ident[23];
94 	uint8_t		identSuffix[8];
95 } __packed;
96 
97 /* Flags (ECMA 167r3 1/7.4.1) */
98 #define ENTITYID_FLAGS_DIRTY		0x01
99 #define ENTITYID_FLAGS_PROTECTED	0x02
100 
101 /* Volume Structure Descriptor (ECMA 167r3 2/9.1) */
102 #define VSD_STD_ID_LEN			5
103 struct volStructDesc {
104 	uint8_t		structType;
105 	uint8_t		stdIdent[VSD_STD_ID_LEN];
106 	uint8_t		structVersion;
107 	uint8_t		structData[2041];
108 } __packed;
109 
110 /* Standard Identifier (EMCA 167r2 2/9.1.2) */
111 #define VSD_STD_ID_NSR02		"NSR02"	/* (3/9.1) */
112 
113 /* Standard Identifier (ECMA 167r3 2/9.1.2) */
114 #define VSD_STD_ID_BEA01		"BEA01"	/* (2/9.2) */
115 #define VSD_STD_ID_BOOT2		"BOOT2"	/* (2/9.4) */
116 #define VSD_STD_ID_CD001		"CD001"	/* (ECMA-119) */
117 #define VSD_STD_ID_CDW02		"CDW02"	/* (ECMA-168) */
118 #define VSD_STD_ID_NSR03		"NSR03"	/* (3/9.1) */
119 #define VSD_STD_ID_TEA01		"TEA01"	/* (2/9.3) */
120 
121 /* Beginning Extended Area Descriptor (ECMA 167r3 2/9.2) */
122 struct beginningExtendedAreaDesc {
123 	uint8_t		structType;
124 	uint8_t		stdIdent[VSD_STD_ID_LEN];
125 	uint8_t		structVersion;
126 	uint8_t		structData[2041];
127 } __packed;
128 
129 /* Terminating Extended Area Descriptor (ECMA 167r3 2/9.3) */
130 struct terminatingExtendedAreaDesc {
131 	uint8_t		structType;
132 	uint8_t		stdIdent[VSD_STD_ID_LEN];
133 	uint8_t		structVersion;
134 	uint8_t		structData[2041];
135 } __packed;
136 
137 /* Boot Descriptor (ECMA 167r3 2/9.4) */
138 struct bootDesc {
139 	uint8_t			structType;
140 	uint8_t			stdIdent[VSD_STD_ID_LEN];
141 	uint8_t			structVersion;
142 	uint8_t			reserved1;
143 	struct regid		archType;
144 	struct regid		bootIdent;
145 	__le32			bootExtLocation;
146 	__le32			bootExtLength;
147 	__le64			loadAddress;
148 	__le64			startAddress;
149 	struct timestamp	descCreationDateAndTime;
150 	__le16			flags;
151 	uint8_t			reserved2[32];
152 	uint8_t			bootUse[1906];
153 } __packed;
154 
155 /* Flags (ECMA 167r3 2/9.4.12) */
156 #define BOOT_FLAGS_ERASE		0x01
157 
158 /* Extent Descriptor (ECMA 167r3 3/7.1) */
159 struct extent_ad {
160 	__le32		extLength;
161 	__le32		extLocation;
162 } __packed;
163 
164 struct kernel_extent_ad {
165 	uint32_t	extLength;
166 	uint32_t	extLocation;
167 };
168 
169 /* Descriptor Tag (ECMA 167r3 3/7.2) */
170 struct tag {
171 	__le16		tagIdent;
172 	__le16		descVersion;
173 	uint8_t		tagChecksum;
174 	uint8_t		reserved;
175 	__le16		tagSerialNum;
176 	__le16		descCRC;
177 	__le16		descCRCLength;
178 	__le32		tagLocation;
179 } __packed;
180 
181 /* Tag Identifier (ECMA 167r3 3/7.2.1) */
182 #define TAG_IDENT_PVD			0x0001
183 #define TAG_IDENT_AVDP			0x0002
184 #define TAG_IDENT_VDP			0x0003
185 #define TAG_IDENT_IUVD			0x0004
186 #define TAG_IDENT_PD			0x0005
187 #define TAG_IDENT_LVD			0x0006
188 #define TAG_IDENT_USD			0x0007
189 #define TAG_IDENT_TD			0x0008
190 #define TAG_IDENT_LVID			0x0009
191 
192 /* NSR Descriptor (ECMA 167r3 3/9.1) */
193 struct NSRDesc {
194 	uint8_t		structType;
195 	uint8_t		stdIdent[VSD_STD_ID_LEN];
196 	uint8_t		structVersion;
197 	uint8_t		reserved;
198 	uint8_t		structData[2040];
199 } __packed;
200 
201 /* Generic Descriptor */
202 struct genericDesc {
203 	struct tag	descTag;
204 	__le32		volDescSeqNum;
205 	uint8_t		reserved[492];
206 } __packed;
207 
208 /* Primary Volume Descriptor (ECMA 167r3 3/10.1) */
209 struct primaryVolDesc {
210 	struct tag		descTag;
211 	__le32			volDescSeqNum;
212 	__le32			primaryVolDescNum;
213 	dstring			volIdent[32];
214 	__le16			volSeqNum;
215 	__le16			maxVolSeqNum;
216 	__le16			interchangeLvl;
217 	__le16			maxInterchangeLvl;
218 	__le32			charSetList;
219 	__le32			maxCharSetList;
220 	dstring			volSetIdent[128];
221 	struct charspec		descCharSet;
222 	struct charspec		explanatoryCharSet;
223 	struct extent_ad	volAbstract;
224 	struct extent_ad	volCopyright;
225 	struct regid		appIdent;
226 	struct timestamp	recordingDateAndTime;
227 	struct regid		impIdent;
228 	uint8_t			impUse[64];
229 	__le32			predecessorVolDescSeqLocation;
230 	__le16			flags;
231 	uint8_t			reserved[22];
232 } __packed;
233 
234 /* Flags (ECMA 167r3 3/10.1.21) */
235 #define PVD_FLAGS_VSID_COMMON		0x0001
236 
237 /* Anchor Volume Descriptor Pointer (ECMA 167r3 3/10.2) */
238 struct anchorVolDescPtr {
239 	struct tag		descTag;
240 	struct extent_ad	mainVolDescSeqExt;
241 	struct extent_ad	reserveVolDescSeqExt;
242 	uint8_t	 		reserved[480];
243 } __packed;
244 
245 /* Volume Descriptor Pointer (ECMA 167r3 3/10.3) */
246 struct volDescPtr {
247 	struct tag		descTag;
248 	__le32			volDescSeqNum;
249 	struct extent_ad	nextVolDescSeqExt;
250 	uint8_t			reserved[484];
251 } __packed;
252 
253 /* Implementation Use Volume Descriptor (ECMA 167r3 3/10.4) */
254 struct impUseVolDesc {
255 	struct tag	descTag;
256 	__le32		volDescSeqNum;
257 	struct regid	impIdent;
258 	uint8_t		impUse[460];
259 } __packed;
260 
261 /* Partition Descriptor (ECMA 167r3 3/10.5) */
262 struct partitionDesc {
263 	struct tag descTag;
264 	__le32 volDescSeqNum;
265 	__le16 partitionFlags;
266 	__le16 partitionNumber;
267 	struct regid partitionContents;
268 	uint8_t partitionContentsUse[128];
269 	__le32 accessType;
270 	__le32 partitionStartingLocation;
271 	__le32 partitionLength;
272 	struct regid impIdent;
273 	uint8_t impUse[128];
274 	uint8_t reserved[156];
275 } __packed;
276 
277 /* Partition Flags (ECMA 167r3 3/10.5.3) */
278 #define PD_PARTITION_FLAGS_ALLOC	0x0001
279 
280 /* Partition Contents (ECMA 167r2 3/10.5.3) */
281 #define PD_PARTITION_CONTENTS_NSR02	"+NSR02"
282 
283 /* Partition Contents (ECMA 167r3 3/10.5.5) */
284 #define PD_PARTITION_CONTENTS_FDC01	"+FDC01"
285 #define PD_PARTITION_CONTENTS_CD001	"+CD001"
286 #define PD_PARTITION_CONTENTS_CDW02	"+CDW02"
287 #define PD_PARTITION_CONTENTS_NSR03	"+NSR03"
288 
289 /* Access Type (ECMA 167r3 3/10.5.7) */
290 #define PD_ACCESS_TYPE_NONE		0x00000000
291 #define PD_ACCESS_TYPE_READ_ONLY	0x00000001
292 #define PD_ACCESS_TYPE_WRITE_ONCE	0x00000002
293 #define PD_ACCESS_TYPE_REWRITABLE	0x00000003
294 #define PD_ACCESS_TYPE_OVERWRITABLE	0x00000004
295 
296 /* Logical Volume Descriptor (ECMA 167r3 3/10.6) */
297 struct logicalVolDesc {
298 	struct tag		descTag;
299 	__le32			volDescSeqNum;
300 	struct charspec		descCharSet;
301 	dstring			logicalVolIdent[128];
302 	__le32			logicalBlockSize;
303 	struct regid		domainIdent;
304 	uint8_t			logicalVolContentsUse[16];
305 	__le32			mapTableLength;
306 	__le32			numPartitionMaps;
307 	struct regid		impIdent;
308 	uint8_t			impUse[128];
309 	struct extent_ad	integritySeqExt;
310 	uint8_t			partitionMaps[];
311 } __packed;
312 
313 /* Generic Partition Map (ECMA 167r3 3/10.7.1) */
314 struct genericPartitionMap {
315 	uint8_t		partitionMapType;
316 	uint8_t		partitionMapLength;
317 	uint8_t		partitionMapping[];
318 } __packed;
319 
320 /* Partition Map Type (ECMA 167r3 3/10.7.1.1) */
321 #define GP_PARTITION_MAP_TYPE_UNDEF	0x00
322 #define GP_PARTITION_MAP_TYPE_1		0x01
323 #define GP_PARTITION_MAP_TYPE_2		0x02
324 
325 /* Type 1 Partition Map (ECMA 167r3 3/10.7.2) */
326 struct genericPartitionMap1 {
327 	uint8_t		partitionMapType;
328 	uint8_t		partitionMapLength;
329 	__le16		volSeqNum;
330 	__le16		partitionNum;
331 } __packed;
332 
333 /* Type 2 Partition Map (ECMA 167r3 3/10.7.3) */
334 struct genericPartitionMap2 {
335 	uint8_t		partitionMapType;
336 	uint8_t		partitionMapLength;
337 	uint8_t		partitionIdent[62];
338 } __packed;
339 
340 /* Unallocated Space Descriptor (ECMA 167r3 3/10.8) */
341 struct unallocSpaceDesc {
342 	struct tag		descTag;
343 	__le32			volDescSeqNum;
344 	__le32			numAllocDescs;
345 	struct extent_ad	allocDescs[];
346 } __packed;
347 
348 /* Terminating Descriptor (ECMA 167r3 3/10.9) */
349 struct terminatingDesc {
350 	struct tag	descTag;
351 	uint8_t		reserved[496];
352 } __packed;
353 
354 /* Logical Volume Integrity Descriptor (ECMA 167r3 3/10.10) */
355 struct logicalVolIntegrityDesc {
356 	struct tag		descTag;
357 	struct timestamp	recordingDateAndTime;
358 	__le32			integrityType;
359 	struct extent_ad	nextIntegrityExt;
360 	uint8_t			logicalVolContentsUse[32];
361 	__le32			numOfPartitions;
362 	__le32			lengthOfImpUse;
363 	__le32			freeSpaceTable[];
364 	/* __le32		sizeTable[]; */
365 	/* uint8_t		impUse[]; */
366 } __packed;
367 
368 /* Integrity Type (ECMA 167r3 3/10.10.3) */
369 #define LVID_INTEGRITY_TYPE_OPEN	0x00000000
370 #define LVID_INTEGRITY_TYPE_CLOSE	0x00000001
371 
372 /* Recorded Address (ECMA 167r3 4/7.1) */
373 struct lb_addr {
374 	__le32		logicalBlockNum;
375 	__le16	 	partitionReferenceNum;
376 } __packed;
377 
378 /* ... and its in-core analog */
379 struct kernel_lb_addr {
380 	uint32_t		logicalBlockNum;
381 	uint16_t	 	partitionReferenceNum;
382 };
383 
384 /* Short Allocation Descriptor (ECMA 167r3 4/14.14.1) */
385 struct short_ad {
386         __le32		extLength;
387         __le32		extPosition;
388 } __packed;
389 
390 /* Long Allocation Descriptor (ECMA 167r3 4/14.14.2) */
391 struct long_ad {
392 	__le32		extLength;
393 	struct lb_addr	extLocation;
394 	uint8_t		impUse[6];
395 } __packed;
396 
397 struct kernel_long_ad {
398 	uint32_t		extLength;
399 	struct kernel_lb_addr	extLocation;
400 	uint8_t			impUse[6];
401 };
402 
403 /* Extended Allocation Descriptor (ECMA 167r3 4/14.14.3) */
404 struct ext_ad {
405 	__le32		extLength;
406 	__le32		recordedLength;
407 	__le32		informationLength;
408 	struct lb_addr	extLocation;
409 } __packed;
410 
411 struct kernel_ext_ad {
412 	uint32_t		extLength;
413 	uint32_t		recordedLength;
414 	uint32_t		informationLength;
415 	struct kernel_lb_addr	extLocation;
416 };
417 
418 /* Descriptor Tag (ECMA 167r3 4/7.2 - See 3/7.2) */
419 
420 /* Tag Identifier (ECMA 167r3 4/7.2.1) */
421 #define TAG_IDENT_FSD			0x0100
422 #define TAG_IDENT_FID			0x0101
423 #define TAG_IDENT_AED			0x0102
424 #define TAG_IDENT_IE			0x0103
425 #define TAG_IDENT_TE			0x0104
426 #define TAG_IDENT_FE			0x0105
427 #define TAG_IDENT_EAHD			0x0106
428 #define TAG_IDENT_USE			0x0107
429 #define TAG_IDENT_SBD			0x0108
430 #define TAG_IDENT_PIE			0x0109
431 #define TAG_IDENT_EFE			0x010A
432 
433 /* File Set Descriptor (ECMA 167r3 4/14.1) */
434 struct fileSetDesc {
435 	struct tag		descTag;
436 	struct timestamp	recordingDateAndTime;
437 	__le16			interchangeLvl;
438 	__le16			maxInterchangeLvl;
439 	__le32			charSetList;
440 	__le32			maxCharSetList;
441 	__le32			fileSetNum;
442 	__le32			fileSetDescNum;
443 	struct charspec		logicalVolIdentCharSet;
444 	dstring			logicalVolIdent[128];
445 	struct charspec		fileSetCharSet;
446 	dstring			fileSetIdent[32];
447 	dstring			copyrightFileIdent[32];
448 	dstring			abstractFileIdent[32];
449 	struct long_ad		rootDirectoryICB;
450 	struct regid		domainIdent;
451 	struct long_ad		nextExt;
452 	struct long_ad		streamDirectoryICB;
453 	uint8_t			reserved[32];
454 } __packed;
455 
456 /* Partition Header Descriptor (ECMA 167r3 4/14.3) */
457 struct partitionHeaderDesc {
458 	struct short_ad	unallocSpaceTable;
459 	struct short_ad	unallocSpaceBitmap;
460 	struct short_ad	partitionIntegrityTable;
461 	struct short_ad	freedSpaceTable;
462 	struct short_ad	freedSpaceBitmap;
463 	uint8_t		reserved[88];
464 } __packed;
465 
466 /* File Identifier Descriptor (ECMA 167r3 4/14.4) */
467 struct fileIdentDesc {
468 	struct tag	descTag;
469 	__le16		fileVersionNum;
470 	uint8_t		fileCharacteristics;
471 	uint8_t		lengthFileIdent;
472 	struct long_ad	icb;
473 	__le16		lengthOfImpUse;
474 	uint8_t		impUse[];
475 	/* uint8_t	fileIdent[]; */
476 	/* uint8_t	padding[]; */
477 } __packed;
478 
479 /* File Characteristics (ECMA 167r3 4/14.4.3) */
480 #define FID_FILE_CHAR_HIDDEN		0x01
481 #define FID_FILE_CHAR_DIRECTORY		0x02
482 #define FID_FILE_CHAR_DELETED		0x04
483 #define FID_FILE_CHAR_PARENT		0x08
484 #define FID_FILE_CHAR_METADATA		0x10
485 
486 /* Allocation Ext Descriptor (ECMA 167r3 4/14.5) */
487 struct allocExtDesc {
488 	struct tag	descTag;
489 	__le32		previousAllocExtLocation;
490 	__le32		lengthAllocDescs;
491 } __packed;
492 
493 /* ICB Tag (ECMA 167r3 4/14.6) */
494 struct icbtag {
495 	__le32		priorRecordedNumDirectEntries;
496 	__le16		strategyType;
497 	__le16		strategyParameter;
498 	__le16		numEntries;
499 	uint8_t		reserved;
500 	uint8_t		fileType;
501 	struct lb_addr	parentICBLocation;
502 	__le16		flags;
503 } __packed;
504 
505 /* Strategy Type (ECMA 167r3 4/14.6.2) */
506 #define ICBTAG_STRATEGY_TYPE_UNDEF	0x0000
507 #define ICBTAG_STRATEGY_TYPE_1		0x0001
508 #define ICBTAG_STRATEGY_TYPE_2		0x0002
509 #define ICBTAG_STRATEGY_TYPE_3		0x0003
510 #define ICBTAG_STRATEGY_TYPE_4		0x0004
511 
512 /* File Type (ECMA 167r3 4/14.6.6) */
513 #define ICBTAG_FILE_TYPE_UNDEF		0x00
514 #define ICBTAG_FILE_TYPE_USE		0x01
515 #define ICBTAG_FILE_TYPE_PIE		0x02
516 #define ICBTAG_FILE_TYPE_IE		0x03
517 #define ICBTAG_FILE_TYPE_DIRECTORY	0x04
518 #define ICBTAG_FILE_TYPE_REGULAR	0x05
519 #define ICBTAG_FILE_TYPE_BLOCK		0x06
520 #define ICBTAG_FILE_TYPE_CHAR		0x07
521 #define ICBTAG_FILE_TYPE_EA		0x08
522 #define ICBTAG_FILE_TYPE_FIFO		0x09
523 #define ICBTAG_FILE_TYPE_SOCKET		0x0A
524 #define ICBTAG_FILE_TYPE_TE		0x0B
525 #define ICBTAG_FILE_TYPE_SYMLINK	0x0C
526 #define ICBTAG_FILE_TYPE_STREAMDIR	0x0D
527 
528 /* Flags (ECMA 167r3 4/14.6.8) */
529 #define ICBTAG_FLAG_AD_MASK		0x0007
530 #define ICBTAG_FLAG_AD_SHORT		0x0000
531 #define ICBTAG_FLAG_AD_LONG		0x0001
532 #define ICBTAG_FLAG_AD_EXTENDED		0x0002
533 #define ICBTAG_FLAG_AD_IN_ICB		0x0003
534 #define ICBTAG_FLAG_SORTED		0x0008
535 #define ICBTAG_FLAG_NONRELOCATABLE	0x0010
536 #define ICBTAG_FLAG_ARCHIVE		0x0020
537 #define ICBTAG_FLAG_SETUID		0x0040
538 #define ICBTAG_FLAG_SETGID		0x0080
539 #define ICBTAG_FLAG_STICKY		0x0100
540 #define ICBTAG_FLAG_CONTIGUOUS		0x0200
541 #define ICBTAG_FLAG_SYSTEM		0x0400
542 #define ICBTAG_FLAG_TRANSFORMED		0x0800
543 #define ICBTAG_FLAG_MULTIVERSIONS	0x1000
544 #define ICBTAG_FLAG_STREAM		0x2000
545 
546 /* Indirect Entry (ECMA 167r3 4/14.7) */
547 struct indirectEntry {
548 	struct tag	descTag;
549 	struct icbtag	icbTag;
550 	struct long_ad	indirectICB;
551 } __packed;
552 
553 /* Terminal Entry (ECMA 167r3 4/14.8) */
554 struct terminalEntry {
555 	struct tag	descTag;
556 	struct icbtag	icbTag;
557 } __packed;
558 
559 /* File Entry (ECMA 167r3 4/14.9) */
560 struct fileEntry {
561 	struct tag		descTag;
562 	struct icbtag		icbTag;
563 	__le32			uid;
564 	__le32			gid;
565 	__le32			permissions;
566 	__le16			fileLinkCount;
567 	uint8_t			recordFormat;
568 	uint8_t			recordDisplayAttr;
569 	__le32			recordLength;
570 	__le64			informationLength;
571 	__le64			logicalBlocksRecorded;
572 	struct timestamp	accessTime;
573 	struct timestamp	modificationTime;
574 	struct timestamp	attrTime;
575 	__le32			checkpoint;
576 	struct long_ad		extendedAttrICB;
577 	struct regid		impIdent;
578 	__le64			uniqueID;
579 	__le32			lengthExtendedAttr;
580 	__le32			lengthAllocDescs;
581 	uint8_t			extendedAttr[];
582 	/* uint8_t		allocDescs[]; */
583 } __packed;
584 
585 /* Permissions (ECMA 167r3 4/14.9.5) */
586 #define FE_PERM_O_EXEC			0x00000001U
587 #define FE_PERM_O_WRITE			0x00000002U
588 #define FE_PERM_O_READ			0x00000004U
589 #define FE_PERM_O_CHATTR		0x00000008U
590 #define FE_PERM_O_DELETE		0x00000010U
591 #define FE_PERM_G_EXEC			0x00000020U
592 #define FE_PERM_G_WRITE			0x00000040U
593 #define FE_PERM_G_READ			0x00000080U
594 #define FE_PERM_G_CHATTR		0x00000100U
595 #define FE_PERM_G_DELETE		0x00000200U
596 #define FE_PERM_U_EXEC			0x00000400U
597 #define FE_PERM_U_WRITE			0x00000800U
598 #define FE_PERM_U_READ			0x00001000U
599 #define FE_PERM_U_CHATTR		0x00002000U
600 #define FE_PERM_U_DELETE		0x00004000U
601 
602 /* Record Format (ECMA 167r3 4/14.9.7) */
603 #define FE_RECORD_FMT_UNDEF		0x00
604 #define FE_RECORD_FMT_FIXED_PAD		0x01
605 #define FE_RECORD_FMT_FIXED		0x02
606 #define FE_RECORD_FMT_VARIABLE8		0x03
607 #define FE_RECORD_FMT_VARIABLE16	0x04
608 #define FE_RECORD_FMT_VARIABLE16_MSB	0x05
609 #define FE_RECORD_FMT_VARIABLE32	0x06
610 #define FE_RECORD_FMT_PRINT		0x07
611 #define FE_RECORD_FMT_LF		0x08
612 #define FE_RECORD_FMT_CR		0x09
613 #define FE_RECORD_FMT_CRLF		0x0A
614 #define FE_RECORD_FMT_LFCR		0x0B
615 
616 /* Record Display Attributes (ECMA 167r3 4/14.9.8) */
617 #define FE_RECORD_DISPLAY_ATTR_UNDEF	0x00
618 #define FE_RECORD_DISPLAY_ATTR_1	0x01
619 #define FE_RECORD_DISPLAY_ATTR_2	0x02
620 #define FE_RECORD_DISPLAY_ATTR_3	0x03
621 
622 /* Extended Attribute Header Descriptor (ECMA 167r3 4/14.10.1) */
623 struct extendedAttrHeaderDesc {
624 	struct tag	descTag;
625 	__le32		impAttrLocation;
626 	__le32		appAttrLocation;
627 } __packed;
628 
629 /* Generic Format (ECMA 167r3 4/14.10.2) */
630 struct genericFormat {
631 	__le32		attrType;
632 	uint8_t		attrSubtype;
633 	uint8_t		reserved[3];
634 	__le32		attrLength;
635 	uint8_t		attrData[];
636 } __packed;
637 
638 /* Character Set Information (ECMA 167r3 4/14.10.3) */
639 struct charSetInfo {
640 	__le32		attrType;
641 	uint8_t		attrSubtype;
642 	uint8_t		reserved[3];
643 	__le32		attrLength;
644 	__le32		escapeSeqLength;
645 	uint8_t		charSetType;
646 	uint8_t		escapeSeq[];
647 } __packed;
648 
649 /* Alternate Permissions (ECMA 167r3 4/14.10.4) */
650 struct altPerms {
651 	__le32		attrType;
652 	uint8_t		attrSubtype;
653 	uint8_t		reserved[3];
654 	__le32		attrLength;
655 	__le16		ownerIdent;
656 	__le16		groupIdent;
657 	__le16		permission;
658 } __packed;
659 
660 /* File Times Extended Attribute (ECMA 167r3 4/14.10.5) */
661 struct fileTimesExtAttr {
662 	__le32		attrType;
663 	uint8_t		attrSubtype;
664 	uint8_t		reserved[3];
665 	__le32		attrLength;
666 	__le32		dataLength;
667 	__le32		fileTimeExistence;
668 	uint8_t		fileTimes;
669 } __packed;
670 
671 /* FileTimeExistence (ECMA 167r3 4/14.10.5.6) */
672 #define FTE_CREATION			0x00000001
673 #define FTE_DELETION			0x00000004
674 #define FTE_EFFECTIVE			0x00000008
675 #define FTE_BACKUP			0x00000002
676 
677 /* Information Times Extended Attribute (ECMA 167r3 4/14.10.6) */
678 struct infoTimesExtAttr {
679 	__le32		attrType;
680 	uint8_t		attrSubtype;
681 	uint8_t		reserved[3];
682 	__le32		attrLength;
683 	__le32		dataLength;
684 	__le32		infoTimeExistence;
685 	uint8_t		infoTimes[];
686 } __packed;
687 
688 /* Device Specification (ECMA 167r3 4/14.10.7) */
689 struct deviceSpec {
690 	__le32		attrType;
691 	uint8_t		attrSubtype;
692 	uint8_t		reserved[3];
693 	__le32		attrLength;
694 	__le32		impUseLength;
695 	__le32		majorDeviceIdent;
696 	__le32		minorDeviceIdent;
697 	uint8_t		impUse[];
698 } __packed;
699 
700 /* Implementation Use Extended Attr (ECMA 167r3 4/14.10.8) */
701 struct impUseExtAttr {
702 	__le32		attrType;
703 	uint8_t		attrSubtype;
704 	uint8_t		reserved[3];
705 	__le32		attrLength;
706 	__le32		impUseLength;
707 	struct regid	impIdent;
708 	uint8_t		impUse[];
709 } __packed;
710 
711 /* Application Use Extended Attribute (ECMA 167r3 4/14.10.9) */
712 struct appUseExtAttr {
713 	__le32		attrType;
714 	uint8_t		attrSubtype;
715 	uint8_t		reserved[3];
716 	__le32		attrLength;
717 	__le32		appUseLength;
718 	struct regid	appIdent;
719 	uint8_t		appUse[];
720 } __packed;
721 
722 #define EXTATTR_CHAR_SET		1
723 #define EXTATTR_ALT_PERMS		3
724 #define EXTATTR_FILE_TIMES		5
725 #define EXTATTR_INFO_TIMES		6
726 #define EXTATTR_DEV_SPEC		12
727 #define EXTATTR_IMP_USE			2048
728 #define EXTATTR_APP_USE			65536
729 #define EXTATTR_SUBTYPE			1
730 
731 /* Unallocated Space Entry (ECMA 167r3 4/14.11) */
732 struct unallocSpaceEntry {
733 	struct tag	descTag;
734 	struct icbtag	icbTag;
735 	__le32		lengthAllocDescs;
736 	uint8_t		allocDescs[];
737 } __packed;
738 
739 /* Space Bitmap Descriptor (ECMA 167r3 4/14.12) */
740 struct spaceBitmapDesc {
741 	struct tag	descTag;
742 	__le32		numOfBits;
743 	__le32		numOfBytes;
744 	uint8_t		bitmap[];
745 } __packed;
746 
747 /* Partition Integrity Entry (ECMA 167r3 4/14.13) */
748 struct partitionIntegrityEntry {
749 	struct tag		descTag;
750 	struct icbtag		icbTag;
751 	struct timestamp	recordingDateAndTime;
752 	uint8_t			integrityType;
753 	uint8_t			reserved[175];
754 	struct regid		impIdent;
755 	uint8_t			impUse[256];
756 } __packed;
757 
758 /* Short Allocation Descriptor (ECMA 167r3 4/14.14.1) */
759 
760 /* Extent Length (ECMA 167r3 4/14.14.1.1) */
761 #define EXT_LENGTH_MASK			0x3FFFFFFF
762 #define EXT_TYPE_MASK			0xC0000000
763 #define EXT_RECORDED_ALLOCATED		0x00000000
764 #define EXT_NOT_RECORDED_ALLOCATED	0x40000000
765 #define EXT_NOT_RECORDED_NOT_ALLOCATED	0x80000000
766 #define EXT_NEXT_EXTENT_ALLOCDESCS	0xC0000000
767 
768 /* Long Allocation Descriptor (ECMA 167r3 4/14.14.2) */
769 
770 /* Extended Allocation Descriptor (ECMA 167r3 4/14.14.3) */
771 
772 /* Logical Volume Header Descriptor (ECMA 167r3 4/14.15) */
773 struct logicalVolHeaderDesc {
774 	__le64		uniqueID;
775 	uint8_t		reserved[24];
776 } __packed;
777 
778 /* Path Component (ECMA 167r3 4/14.16.1) */
779 struct pathComponent {
780 	uint8_t		componentType;
781 	uint8_t		lengthComponentIdent;
782 	__le16		componentFileVersionNum;
783 	dchars		componentIdent[];
784 } __packed;
785 
786 /* File Entry (ECMA 167r3 4/14.17) */
787 struct extendedFileEntry {
788 	struct tag		descTag;
789 	struct icbtag		icbTag;
790 	__le32			uid;
791 	__le32			gid;
792 	__le32			permissions;
793 	__le16			fileLinkCount;
794 	uint8_t			recordFormat;
795 	uint8_t			recordDisplayAttr;
796 	__le32			recordLength;
797 	__le64			informationLength;
798 	__le64			objectSize;
799 	__le64			logicalBlocksRecorded;
800 	struct timestamp	accessTime;
801 	struct timestamp	modificationTime;
802 	struct timestamp	createTime;
803 	struct timestamp	attrTime;
804 	__le32			checkpoint;
805 	__le32			reserved;
806 	struct long_ad		extendedAttrICB;
807 	struct long_ad		streamDirectoryICB;
808 	struct regid		impIdent;
809 	__le64			uniqueID;
810 	__le32			lengthExtendedAttr;
811 	__le32			lengthAllocDescs;
812 	uint8_t			extendedAttr[];
813 	/* uint8_t		allocDescs[]; */
814 } __packed;
815 
816 #endif /* _ECMA_167_H */
817