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/* $NetBSD: ecma167-udf.h,v 1.14 2011/07/07 17:45:38 reinoud Exp $ */
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3
/*-
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 * Copyright (c) 2003, 2004, 2005, 2006, 2008, 2009
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 *         Reinoud Zandijk * <reinoud@NetBSD.org>
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 * Copyright (c) 2001, 2002 Scott Long <scottl@freebsd.org>
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 * 
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 * Extended and adapted for UDFv2.50+ bij Reinoud Zandijk based on the
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 * original by Scott Long.
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 * 
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 * 20030508 Made some small typo and explanatory comments
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 * 20030510 Added UDF 2.01 structures
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 * 20030519 Added/correct comments on multi-partitioned logical volume space
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 * 20050616 Added pseudo overwrite
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 * 20050624 Added the missing extended attribute types and `magic values'.
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 * 20051106 Reworked some implementation use parts
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 *
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 */
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#ifndef _FS_UDF_ECMA167_UDF_H_
45
#define _FS_UDF_ECMA167_UDF_H_
46

    
47

    
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/*
49
 * in case of an older gcc versions, define the __packed as explicit
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 * attribute
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 */
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/*
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 * You may specify the `aligned' and `transparent_union' attributes either in
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 * a `typedef' declaration or just past the closing curly brace of a complete
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 * enum, struct or union type _definition_ and the `packed' attribute only
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 * past the closing brace of a definition.  You may also specify attributes
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 * between the enum, struct or union tag and the name of the type rather than
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 * after the closing brace.
60
*/
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#ifndef __packed
63
#define __packed __attribute__((packed))
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#endif
65

    
66

    
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/* ecma167-udf.h */
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69
/* Volume recognition sequence ECMA 167 rev. 3 16.1 */
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struct vrs_desc {
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        uint8_t                        struct_type;
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        uint8_t                        identifier[5];
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        uint8_t                        version;
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        uint8_t                        data[2041];
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} __packed;
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77

    
78
#define VRS_NSR02                "NSR02"
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#define VRS_NSR03                "NSR03"
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#define VRS_BEA01                "BEA01"
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#define VRS_TEA01                "TEA01"
82
#define VRS_CD001                "CD001"
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#define VRS_CDW02                "CDW02"
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85

    
86
/* Structure/definitions/constants a la ECMA 167 rev. 3 */
87

    
88

    
89
#define MAX_TAGID_VOLUMES 9
90
/* Tag identifiers */
91
enum {
92
        TAGID_SPARING_TABLE =           0,
93
        TAGID_PRI_VOL =                  1,
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        TAGID_ANCHOR =                  2,
95
        TAGID_VOL =                   3,
96
        TAGID_IMP_VOL =                  4,
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        TAGID_PARTITION =          5,
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        TAGID_LOGVOL =                  6,
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        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,
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        TAGID_EXTATTR_HDR =        262,
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        TAGID_UNALL_SP_ENTRY =        263,
110
        TAGID_SPACE_BITMAP =         264,
111
        TAGID_PART_INTEGRITY =         265,
112
        TAGID_EXTFENTRY =        266,
113
        TAGID_MAX =                266
114
};
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116

    
117
enum {
118
        UDF_DOMAIN_FLAG_HARD_WRITE_PROTECT = 1,
119
        UDF_DOMAIN_FLAG_SOFT_WRITE_PROTECT = 2
120
};
121

    
122

    
123
enum {
124
        UDF_ACCESSTYPE_NOT_SPECIFIED   = 0,        /* unknown                                */
125
        UDF_ACCESSTYPE_PSEUDO_OVERWITE = 0,        /* pseudo overwritable, e.g. BD-R's LOW */
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        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
};
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132

    
133
/* Descriptor tag [3/7.2] */
134
struct 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;
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        uint32_t        tag_loc;
143
} __packed;
144
#define UDF_DESC_TAG_LENGTH 16
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146

    
147
/* Recorded Address [4/7.1] */
148
struct lb_addr {                        /* within partition space */
149
        uint32_t        lb_num;
150
        uint16_t        part_num;
151
} __packed;
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153

    
154
/* Extent Descriptor [3/7.1] */
155
struct extent_ad {
156
        uint32_t        len;
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        uint32_t        loc;
158
} __packed;
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160

    
161
/* Short Allocation Descriptor [4/14.14.1] */
162
struct short_ad {
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        uint32_t        len;
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        uint32_t        lb_num;
165
} __packed;
166

    
167

    
168
/* Long Allocation Descriptor [4/14.14.2] */
169
struct UDF_ADImp_use {
170
        uint16_t        flags;
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        uint32_t        unique_id;
172
} __packed;
173
#define UDF_ADIMP_FLAGS_EXTENT_ERASED 1
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175

    
176
struct long_ad {
177
        uint32_t        len;
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        struct lb_addr        loc;                        /* within a logical volume mapped partition space !! */
179
        union {
180
                uint8_t        bytes[6];
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                struct UDF_ADImp_use im_used;
182
        } impl;
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} __packed;
184
#define longad_uniqueid impl.im_used.unique_id
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187
/* Extended Allocation Descriptor [4/14.14.3] ; identifies an extent of allocation descriptors ; also in UDF ? */
188
struct ext_ad {
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        uint32_t        ex_len;
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        uint32_t        rec_len;
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        uint32_t        inf_len;
192
        struct lb_addr        ex_loc;
193
        uint8_t                reserved[2];
194
} __packed;
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197
/* ICB : Information Control Block; positioning */
198
union icb {
199
        struct short_ad        s_ad;
200
        struct long_ad        l_ad;
201
        struct ext_ad        e_ad;
202
};
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/* 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)
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#define UDF_EXT_FREE                   (2<<30)
210
#define UDF_EXT_REDIRECT               (3<<30)
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#define UDF_EXT_FLAGS(len) ((len) & (3<<30))
212
#define UDF_EXT_LEN(len)   ((len) & ((1<<30)-1))
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#define UDF_EXT_MAXLEN     ((1<<30)-1)
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/* Character set spec [1/7.2.1] */
217
struct charspec {
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        uint8_t                type;
219
        uint8_t                inf[63];
220
} __packed;
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223
struct pathcomp {
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        uint8_t                type;
225
        uint8_t                l_ci;
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        uint16_t        comp_filever;
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        uint8_t                ident[256];
228
} __packed;
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#define        UDF_PATH_COMP_SIZE 4
230
#define UDF_PATH_COMP_RESERVED                0
231
#define UDF_PATH_COMP_ROOT                1
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#define UDF_PATH_COMP_MOUNTROOT                2
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#define UDF_PATH_COMP_PARENTDIR                3
234
#define UDF_PATH_COMP_CURDIR                4
235
#define UDF_PATH_COMP_NAME                5
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237

    
238
/* Timestamp [1/7.3] */
239
struct timestamp {
240
        uint16_t        type_tz;
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        uint16_t        year;
242
        uint8_t                month;
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        uint8_t                day;
244
        uint8_t                hour;
245
        uint8_t                minute;
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        uint8_t                second;
247
        uint8_t                centisec;
248
        uint8_t                hund_usec;
249
        uint8_t                usec;
250
} __packed;
251
#define UDF_TIMESTAMP_SIZE 12
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253

    
254
/* Entity Identifier [1/7.4] */
255
#define        UDF_REGID_ID_SIZE        23
256
struct regid {
257
        uint8_t                flags;
258
        uint8_t                id[UDF_REGID_ID_SIZE];
259
        uint8_t                id_suffix[8];
260
} __packed;
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263
/* ICB Tag [4/14.6] */
264
struct 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
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309

    
310
/* Anchor Volume Descriptor Pointer [3/10.2] */
311
struct 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;
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317

    
318
/* Volume Descriptor Pointer [3/10.3] */
319
struct 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;
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325

    
326
/* Primary Volume Descriptor [3/10.1] */
327
struct 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;
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352

    
353
/* UDF specific implementation use part of the implementation use volume descriptor */
354
struct udf_lv_info {
355
        struct charspec                lvi_charset;
356
        char                        logvol_id[128];
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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 */
368
struct 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] */
380
struct 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] */
407
struct 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] */
416
struct 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] */
428
struct 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] */
440
struct 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] */
456
struct 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

    
474
union 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] */
485
struct 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] */
492
struct 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)] */
504
struct 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] */
511
struct 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 */
527
struct 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 */
536
struct 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 */
545
struct 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] */
556
struct 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) */
578
struct 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] */
587
struct logvolhdr {
588
        uint64_t                next_unique_id;
589
        /* rest reserved */
590
} __packed;
591

    
592

    
593
struct 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

    
603
struct 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] */
620
struct 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] */
644
struct 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] */
662
struct 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] */
672
struct 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] */
681
struct 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] */
690
struct 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] */
699
struct 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] */
714
struct 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 */
725
struct 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] */
734
struct 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] */
764
struct 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] */
795
struct 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] */
803
struct 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

    
811
union 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