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148 lines
4.1 KiB
148 lines
4.1 KiB
/** @file
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OSTA Universal Disk Format (UDF) definitions.
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Copyright (C) 2014-2017 Paulo Alcantara <pcacjr@zytor.com>
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This program and the accompanying materials are licensed and made available
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under the terms and conditions of the BSD License which accompanies this
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distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
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WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __UDF_H__
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#define __UDF_H__
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#define UDF_BEA_IDENTIFIER "BEA01"
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#define UDF_NSR2_IDENTIFIER "NSR02"
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#define UDF_NSR3_IDENTIFIER "NSR03"
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#define UDF_TEA_IDENTIFIER "TEA01"
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#define UDF_LOGICAL_SECTOR_SHIFT 11
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#define UDF_LOGICAL_SECTOR_SIZE ((UINT64)(1ULL << UDF_LOGICAL_SECTOR_SHIFT))
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#define UDF_VRS_START_OFFSET ((UINT64)(16ULL << UDF_LOGICAL_SECTOR_SHIFT))
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typedef enum {
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UdfPrimaryVolumeDescriptor = 1,
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UdfAnchorVolumeDescriptorPointer = 2,
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UdfVolumeDescriptorPointer = 3,
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UdfImplemenationUseVolumeDescriptor = 4,
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UdfPartitionDescriptor = 5,
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UdfLogicalVolumeDescriptor = 6,
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UdfUnallocatedSpaceDescriptor = 7,
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UdfTerminatingDescriptor = 8,
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UdfLogicalVolumeIntegrityDescriptor = 9,
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UdfFileSetDescriptor = 256,
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UdfFileIdentifierDescriptor = 257,
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UdfAllocationExtentDescriptor = 258,
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UdfFileEntry = 261,
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UdfExtendedFileEntry = 266,
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} UDF_VOLUME_DESCRIPTOR_ID;
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#pragma pack(1)
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typedef struct {
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UINT16 TagIdentifier;
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UINT16 DescriptorVersion;
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UINT8 TagChecksum;
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UINT8 Reserved;
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UINT16 TagSerialNumber;
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UINT16 DescriptorCRC;
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UINT16 DescriptorCRCLength;
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UINT32 TagLocation;
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} UDF_DESCRIPTOR_TAG;
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typedef struct {
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UINT32 ExtentLength;
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UINT32 ExtentLocation;
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} UDF_EXTENT_AD;
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typedef struct {
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UINT8 CharacterSetType;
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UINT8 CharacterSetInfo[63];
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} UDF_CHAR_SPEC;
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typedef struct {
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UINT8 Flags;
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UINT8 Identifier[23];
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union {
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//
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// Domain Entity Identifier
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//
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struct {
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UINT16 UdfRevision;
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UINT8 DomainFlags;
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UINT8 Reserved[5];
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} Domain;
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//
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// UDF Entity Identifier
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//
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struct {
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UINT16 UdfRevision;
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UINT8 OSClass;
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UINT8 OSIdentifier;
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UINT8 Reserved[4];
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} Entity;
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//
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// Implementation Entity Identifier
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//
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struct {
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UINT8 OSClass;
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UINT8 OSIdentifier;
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UINT8 ImplementationUseArea[6];
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} ImplementationEntity;
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//
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// Application Entity Identifier
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//
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struct {
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UINT8 ApplicationUseArea[8];
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} ApplicationEntity;
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//
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// Raw Identifier Suffix
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//
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struct {
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UINT8 Data[8];
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} Raw;
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} Suffix;
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} UDF_ENTITY_ID;
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typedef struct {
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UINT32 LogicalBlockNumber;
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UINT16 PartitionReferenceNumber;
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} UDF_LB_ADDR;
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typedef struct {
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UINT32 ExtentLength;
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UDF_LB_ADDR ExtentLocation;
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UINT8 ImplementationUse[6];
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} UDF_LONG_ALLOCATION_DESCRIPTOR;
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typedef struct {
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UDF_DESCRIPTOR_TAG DescriptorTag;
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UDF_EXTENT_AD MainVolumeDescriptorSequenceExtent;
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UDF_EXTENT_AD ReserveVolumeDescriptorSequenceExtent;
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UINT8 Reserved[480];
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} UDF_ANCHOR_VOLUME_DESCRIPTOR_POINTER;
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typedef struct {
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UDF_DESCRIPTOR_TAG DescriptorTag;
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UINT32 VolumeDescriptorSequenceNumber;
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UDF_CHAR_SPEC DescriptorCharacterSet;
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UINT8 LogicalVolumeIdentifier[128];
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UINT32 LogicalBlockSize;
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UDF_ENTITY_ID DomainIdentifier;
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UDF_LONG_ALLOCATION_DESCRIPTOR LogicalVolumeContentsUse;
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UINT32 MapTableLength;
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UINT32 NumberOfPartitionMaps;
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UDF_ENTITY_ID ImplementationIdentifier;
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UINT8 ImplementationUse[128];
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UDF_EXTENT_AD IntegritySequenceExtent;
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UINT8 PartitionMaps[6];
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} UDF_LOGICAL_VOLUME_DESCRIPTOR;
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#pragma pack()
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#endif
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