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/** @file
OSTA Universal Disk Format (UDF) definitions.
Copyright (C) 2014-2017 Paulo Alcantara <pcacjr@zytor.com>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __UDF_H__
#define __UDF_H__
#define UDF_BEA_IDENTIFIER "BEA01"
#define UDF_NSR2_IDENTIFIER "NSR02"
#define UDF_NSR3_IDENTIFIER "NSR03"
#define UDF_TEA_IDENTIFIER "TEA01"
#define UDF_LOGICAL_SECTOR_SHIFT 11
#define UDF_LOGICAL_SECTOR_SIZE ((UINT64)(1ULL << UDF_LOGICAL_SECTOR_SHIFT))
#define UDF_VRS_START_OFFSET ((UINT64)(16ULL << UDF_LOGICAL_SECTOR_SHIFT))
typedef enum {
UdfPrimaryVolumeDescriptor = 1,
UdfAnchorVolumeDescriptorPointer = 2,
UdfVolumeDescriptorPointer = 3,
UdfImplemenationUseVolumeDescriptor = 4,
UdfPartitionDescriptor = 5,
UdfLogicalVolumeDescriptor = 6,
UdfUnallocatedSpaceDescriptor = 7,
UdfTerminatingDescriptor = 8,
UdfLogicalVolumeIntegrityDescriptor = 9,
UdfFileSetDescriptor = 256,
UdfFileIdentifierDescriptor = 257,
UdfAllocationExtentDescriptor = 258,
UdfFileEntry = 261,
UdfExtendedFileEntry = 266,
} UDF_VOLUME_DESCRIPTOR_ID;
#pragma pack(1)
typedef struct {
UINT16 TagIdentifier;
UINT16 DescriptorVersion;
UINT8 TagChecksum;
UINT8 Reserved;
UINT16 TagSerialNumber;
UINT16 DescriptorCRC;
UINT16 DescriptorCRCLength;
UINT32 TagLocation;
} UDF_DESCRIPTOR_TAG;
typedef struct {
UINT32 ExtentLength;
UINT32 ExtentLocation;
} UDF_EXTENT_AD;
typedef struct {
UINT8 CharacterSetType;
UINT8 CharacterSetInfo[63];
} UDF_CHAR_SPEC;
typedef struct {
UINT8 Flags;
UINT8 Identifier[23];
union {
//
// Domain Entity Identifier
//
struct {
UINT16 UdfRevision;
UINT8 DomainFlags;
UINT8 Reserved[5];
} Domain;
//
// UDF Entity Identifier
//
struct {
UINT16 UdfRevision;
UINT8 OSClass;
UINT8 OSIdentifier;
UINT8 Reserved[4];
} Entity;
//
// Implementation Entity Identifier
//
struct {
UINT8 OSClass;
UINT8 OSIdentifier;
UINT8 ImplementationUseArea[6];
} ImplementationEntity;
//
// Application Entity Identifier
//
struct {
UINT8 ApplicationUseArea[8];
} ApplicationEntity;
//
// Raw Identifier Suffix
//
struct {
UINT8 Data[8];
} Raw;
} Suffix;
} UDF_ENTITY_ID;
typedef struct {
UINT32 LogicalBlockNumber;
UINT16 PartitionReferenceNumber;
} UDF_LB_ADDR;
typedef struct {
UINT32 ExtentLength;
UDF_LB_ADDR ExtentLocation;
UINT8 ImplementationUse[6];
} UDF_LONG_ALLOCATION_DESCRIPTOR;
typedef struct {
UDF_DESCRIPTOR_TAG DescriptorTag;
UDF_EXTENT_AD MainVolumeDescriptorSequenceExtent;
UDF_EXTENT_AD ReserveVolumeDescriptorSequenceExtent;
UINT8 Reserved[480];
} UDF_ANCHOR_VOLUME_DESCRIPTOR_POINTER;
typedef struct {
UDF_DESCRIPTOR_TAG DescriptorTag;
UINT32 VolumeDescriptorSequenceNumber;
UDF_CHAR_SPEC DescriptorCharacterSet;
UINT8 LogicalVolumeIdentifier[128];
UINT32 LogicalBlockSize;
UDF_ENTITY_ID DomainIdentifier;
UDF_LONG_ALLOCATION_DESCRIPTOR LogicalVolumeContentsUse;
UINT32 MapTableLength;
UINT32 NumberOfPartitionMaps;
UDF_ENTITY_ID ImplementationIdentifier;
UINT8 ImplementationUse[128];
UDF_EXTENT_AD IntegritySequenceExtent;
UINT8 PartitionMaps[6];
} UDF_LOGICAL_VOLUME_DESCRIPTOR;
#pragma pack()
#endif
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