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Diffstat (limited to 'MdePkg/Include/IndustryStandard/Udf.h')
-rw-r--r-- | MdePkg/Include/IndustryStandard/Udf.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/MdePkg/Include/IndustryStandard/Udf.h b/MdePkg/Include/IndustryStandard/Udf.h new file mode 100644 index 000000000000..e299b7559929 --- /dev/null +++ b/MdePkg/Include/IndustryStandard/Udf.h @@ -0,0 +1,141 @@ +/** @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 |