include/linux/udf_udf.h

   1 #if !defined(_LINUX_UDF_UDF_H)
   2 #define _LINUX_UDF_UDF_H
   3 /*
   4  * udf_udf.h
   5  *
   6  * PURPOSE
   7  *      OSTA-UDF(tm) format specification [based on ECMA 167 standard].
   8  *      http://www.osta.org/
   9  *
  10  * CONTACTS
  11  *      E-mail regarding any portion of the Linux UDF file system should be
  12  *      directed to the development team mailing list (run by majordomo):
  13  *              linux_udf@hootie.lvld.hp.com
  14  *
  15  * COPYRIGHT
  16  *      This file is distributed under the terms of the GNU General Public
  17  *      License (GPL). Copies of the GPL can be obtained from:
  18  *              ftp://prep.ai.mit.edu/pub/gnu/GPL
  19  *      Each contributing author retains all rights to their own work.
  20  *
  21  * HISTORY
  22  *      July 1, 1997 - Andrew E. Mileski
  23  *      Written, tested, and released.
  24  *
  25  * 10/2/98 dgb  changed UDF_ID_DEVELOPER
  26  * 11/26/98 bf  changed UDF_ID_DEVELOPER,
  27  * 12/5/98 dgb  updated include file hierarchy, more UDF definitions
  28  */
  29
  30 /* based on ECMA 167 structure definitions */
  31 #include <linux/udf_167.h>
  32
  33 #pragma pack(1)
  34
  35 /* -------- Basic types and constants ----------- */
  36 /* UDF character set (UDF 1.50 2.1.2) */
  37 #define UDF_CHAR_SET_TYPE       0
  38 #define UDF_CHAR_SET_INFO       "OSTA Compressed Unicode"
  39
  40 #define UDF_ID_DEVELOPER        "*Linux UDFFS"
  41
  42 /* UDF 1.02 2.2.6.4 */
  43 struct LogicalVolIntegrityDescImpUse
  44 {
  45         EntityID        impIdent;
  46         Uint32          numFiles;
  47         Uint32          numDirs;
  48         Uint16          minUDFReadRev;
  49         Uint16          minUDFWriteRev;
  50         Uint16          maxUDFWriteRev;
  51 };
  52
  53 /* UDF 1.02 2.2.7.2 */
  54 /* LVInformation may be present in ImpUseVolDesc.impUse */
  55 struct ImpUseVolDescImpUse
  56 {
  57         charspec        LVICharset;
  58         dstring         logicalVolIdent[128];
  59         dstring         LVInfo1[36];
  60         dstring         LVInfo2[36];
  61         dstring         LVInfo3[36];
  62         EntityID        impIdent;
  63         Uint8           impUse[128];
  64 };
  65
  66 struct UdfPartitionMap2
  67 {
  68         Uint8           partitionMapType;
  69         Uint8           partitionMapLength;
  70         Uint8           reserved1[2];
  71         EntityID        partIdent;
  72         Uint16          volSeqNum;
  73         Uint16          partitionNum;
  74         Uint8           reserved2[24];
  75 };
  76
  77 /* UDF 1.5 2.2.8 */
  78 struct VirtualPartitionMap
  79 {
  80         Uint8           partitionMapType;       /* 2 */
  81         Uint8           partitionMapLength;     /* 64 */
  82         Uint8           reserved1[2];           /* #00 */
  83         EntityID        partIdent;
  84         Uint16          volSeqNum;
  85         Uint16          partitionNum;
  86         Uint8           reserved2[24];          /* #00 */
  87 };
  88
  89 /* UDF 1.5 2.2.9 */
  90 struct SparablePartitionMap
  91 {
  92         Uint8           partitionMapType;       /* 2 */
  93         Uint8           partitionMapLength;     /* 64 */
  94         Uint8           reserved1[2];           /* #00 */
  95         EntityID        partIdent;              /* Flags = 0 */
  96                                                 /* Id = UDF_ID_SPARABLE */
  97                                                 /* IdSuf = 2.1.5.3 */
  98         Uint16          volSeqNum;
  99         Uint16          partitionNum;
 100         Uint16          packetLength;           /* 32 */
 101         Uint8           numSparingTables;
 102         Uint8           reserved2[1];           /* #00 */
 103         Uint32          sizeSparingTable;
 104         Uint32          locSparingTable[4];
 105 };
 106
 107 /* DVD Copyright Management Info, see UDF 1.02 3.3.4.5.1.2 */
 108 /* when ImpUseExtendedAttr.impIdent= "*UDF DVD CGMS Info" */
 109 struct DVDCopyrightImpUse {
 110         Uint16 headerChecksum;
 111         Uint8  CGMSInfo;
 112         Uint8  dataType;
 113         Uint8  protectionSystemInfo[4];
 114 };
 115
 116 /* the impUse of long_ad used in AllocDescs  - UDF 1.02 2.3.10.1 */
 117 struct ADImpUse
 118 {
 119         Uint16 flags;
 120         Uint8  impUse[4];
 121 };
 122
 123 /* UDF 1.02 2.3.10.1 */
 124 #define UDF_EXTENT_LENGTH_MASK          0x3FFFFFFF
 125 #define UDF_EXTENT_FLAG_MASK            0xc0000000
 126 #define UDF_EXTENT_FLAG_ERASED          0x40000000
 127
 128 /*
 129  * Important!  VirtualAllocationTables are
 130  * very different between 1.5 and 2.0!
 131  */
 132
 133 /* ----------- 1.5 ------------- */
 134 /* UDF 1.5 2.2.10 */
 135 #define FILE_TYPE_VAT15         0x0U
 136
 137 /* UDF 1.5 2.2.10 - VAT layout: */
 138 struct VirutalAllocationTable15 {
 139         Uint32 VirtualSector[0];
 140         EntityID        ident;
 141         Uint32  previousVATICB;
 142    };
 143 /* where number of VirtualSector's is (VATSize-36)/4 */
 144
 145 /* ----------- 2.0 ------------- */
 146 /* UDF 2.0 2.2.10 */
 147 #define FILE_TYPE_VAT20         0xf8U
 148
 149 /* UDF 2.0 2.2.10 (different from 1.5!) */
 150 struct VirtualAllocationTable20 {
 151         Uint16 lengthHeader;
 152         Uint16 lengthImpUse;
 153         dstring logicalVolIdent[128];
 154         Uint32  previousVatICBLoc;
 155         Uint32  numFIDSFiles;
 156         Uint32  numFIDSDirectories; /* non-parent */
 157         Uint16  minReadRevision;
 158         Uint16  minWriteRevision;
 159         Uint16  maxWriteRevision;
 160         Uint16  reserved;
 161         Uint8   impUse[0];
 162         Uint32  vatEntry[0];
 163 };
 164
 165 /* Sparing maps, see UDF 1.5 2.2.11 */
 166 typedef struct {
 167         Uint32  origLocation;
 168         Uint32  mappedLocation;
 169 } SparingEntry;
 170
 171 /* sparing maps, see UDF 2.0 2.2.11 */
 172 struct SparingTable {
 173         tag     descTag;
 174         EntityID sparingIdent; /* *UDF Sparing Table */
 175         Uint16   reallocationTableLen;
 176         Uint16   reserved;      /* #00 */
 177         Uint32   sequenceNum;
 178         SparingEntry mapEntry[0];
 179 };
 180
 181 /* Entity Identifiers (UDF 1.50 6.1) */
 182 #define UDF_ID_COMPLIANT        "*OSTA UDF Compliant"
 183 #define UDF_ID_LV_INFO          "*UDF LV Info"
 184 #define UDF_ID_FREE_EA          "*UDF FreeEASpace"
 185 #define UDF_ID_FREE_APP_EA      "*UDF FreeAppEASpace"
 186 #define UDF_ID_DVD_CGMS         "*UDF DVD CGMS Info"
 187 #define UDF_ID_OS2_EA           "*UDF OS/2 EA"
 188 #define UDF_ID_OS2_EA_LENGTH    "*UDF OS/2 EALength"
 189 #define UDF_ID_MAC_VOLUME       "*UDF Mac VolumeInfo"
 190 #define UDF_ID_MAC_FINDER       "*UDF Mac FinderInfo"
 191 #define UDF_ID_MAC_UNIQUE       "*UDF Mac UniqueIDTable"
 192 #define UDF_ID_MAC_RESOURCE     "*UDF Mac ResourceFork"
 193 #define UDF_ID_VIRTUAL          "*UDF Virtual Partition"
 194 #define UDF_ID_SPARABLE         "*UDF Sparable Partition"
 195 #define UDF_ID_ALLOC            "*UDF Virtual Alloc Tbl"
 196 #define UDF_ID_SPARING          "*UDF Sparing Table"
 197
 198 /* Operating System Identifiers (UDF 1.50 6.3) */
 199 #define UDF_OS_CLASS_UNDEF      0x00U
 200 #define UDF_OS_CLASS_DOS        0x01U
 201 #define UDF_OS_CLASS_OS2        0x02U
 202 #define UDF_OS_CLASS_MAC        0x03U
 203 #define UDF_OS_CLASS_UNIX       0x04U
 204 #define UDF_OS_CLASS_WIN95      0x05U
 205 #define UDF_OS_CLASS_WINNT      0x06U
 206 #define UDF_OS_ID_UNDEF         0x00U
 207 #define UDF_OS_ID_DOS           0x00U
 208 #define UDF_OS_ID_OS2           0x00U
 209 #define UDF_OS_ID_MAC           0x00U
 210 #define UDF_OS_ID_UNIX          0x00U
 211 #define UDF_OS_ID_WIN95         0x00U
 212 #define UDF_OS_ID_WINNT         0x00U
 213 #define UDF_OS_ID_AIX           0x01U
 214 #define UDF_OS_ID_SOLARIS       0x02U
 215 #define UDF_OS_ID_HPUX          0x03U
 216 #define UDF_OS_ID_IRIX          0x04U
 217 #define UDF_OS_ID_LINUX         0x05U
 218 #define UDF_OS_ID_MKLINUX       0x06U
 219 #define UDF_OS_ID_FREEBSD       0x07U
 220
 221 #define UDF_NAME_PAD    4
 222 #define UDF_NAME_LEN    255
 223 #define UDF_PATH_LEN    1023
 224
 225 #pragma pack()
 226
 227 #endif /* !defined(_LINUX_UDF_FMT_H) */