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review.coreboot.org / coreboot / 43b7f416783ccc98952a4eb5f9274907442b03e5 / . / src / vendorcode / intel / edk2 / edk2-stable202005 / MdePkg / Include / IndustryStandard / Udf.h
blob: e299b75599299e564e6027ff18fb3784c6427c29 [file] [log] [blame]
Jonathan Zhang6d277782020-06-09 17:56:53 -0700[diff] [blame]1/** @file
2 OSTA Universal Disk Format (UDF) definitions.
3
4 Copyright (C) 2014-2017 Paulo Alcantara <pcacjr@zytor.com>
5
6 SPDX-License-Identifier: BSD-2-Clause-Patent
7**/
8
9#ifndef __UDF_H__
10#define __UDF_H__
11
12#define UDF_BEA_IDENTIFIER "BEA01"
13#define UDF_NSR2_IDENTIFIER "NSR02"
14#define UDF_NSR3_IDENTIFIER "NSR03"
15#define UDF_TEA_IDENTIFIER "TEA01"
16
17#define UDF_LOGICAL_SECTOR_SHIFT 11
18#define UDF_LOGICAL_SECTOR_SIZE ((UINT64)(1ULL << UDF_LOGICAL_SECTOR_SHIFT))
19#define UDF_VRS_START_OFFSET ((UINT64)(16ULL << UDF_LOGICAL_SECTOR_SHIFT))
20
21typedef enum {
22 UdfPrimaryVolumeDescriptor = 1,
23 UdfAnchorVolumeDescriptorPointer = 2,
24 UdfVolumeDescriptorPointer = 3,
25 UdfImplemenationUseVolumeDescriptor = 4,
26 UdfPartitionDescriptor = 5,
27 UdfLogicalVolumeDescriptor = 6,
28 UdfUnallocatedSpaceDescriptor = 7,
29 UdfTerminatingDescriptor = 8,
30 UdfLogicalVolumeIntegrityDescriptor = 9,
31 UdfFileSetDescriptor = 256,
32 UdfFileIdentifierDescriptor = 257,
33 UdfAllocationExtentDescriptor = 258,
34 UdfFileEntry = 261,
35 UdfExtendedFileEntry = 266,
36} UDF_VOLUME_DESCRIPTOR_ID;
37
38#pragma pack(1)
39
40typedef struct {
41 UINT16 TagIdentifier;
42 UINT16 DescriptorVersion;
43 UINT8 TagChecksum;
44 UINT8 Reserved;
45 UINT16 TagSerialNumber;
46 UINT16 DescriptorCRC;
47 UINT16 DescriptorCRCLength;
48 UINT32 TagLocation;
49} UDF_DESCRIPTOR_TAG;
50
51typedef struct {
52 UINT32 ExtentLength;
53 UINT32 ExtentLocation;
54} UDF_EXTENT_AD;
55
56typedef struct {
57 UINT8 CharacterSetType;
58 UINT8 CharacterSetInfo[63];
59} UDF_CHAR_SPEC;
60
61typedef struct {
62 UINT8 Flags;
63 UINT8 Identifier[23];
64 union {
65 //
66 // Domain Entity Identifier
67 //
68 struct {
69 UINT16 UdfRevision;
70 UINT8 DomainFlags;
71 UINT8 Reserved[5];
72 } Domain;
73 //
74 // UDF Entity Identifier
75 //
76 struct {
77 UINT16 UdfRevision;
78 UINT8 OSClass;
79 UINT8 OSIdentifier;
80 UINT8 Reserved[4];
81 } Entity;
82 //
83 // Implementation Entity Identifier
84 //
85 struct {
86 UINT8 OSClass;
87 UINT8 OSIdentifier;
88 UINT8 ImplementationUseArea[6];
89 } ImplementationEntity;
90 //
91 // Application Entity Identifier
92 //
93 struct {
94 UINT8 ApplicationUseArea[8];
95 } ApplicationEntity;
96 //
97 // Raw Identifier Suffix
98 //
99 struct {
100 UINT8 Data[8];
101 } Raw;
102 } Suffix;
103} UDF_ENTITY_ID;
104
105typedef struct {
106 UINT32 LogicalBlockNumber;
107 UINT16 PartitionReferenceNumber;
108} UDF_LB_ADDR;
109
110typedef struct {
111 UINT32 ExtentLength;
112 UDF_LB_ADDR ExtentLocation;
113 UINT8 ImplementationUse[6];
114} UDF_LONG_ALLOCATION_DESCRIPTOR;
115
116typedef struct {
117 UDF_DESCRIPTOR_TAG DescriptorTag;
118 UDF_EXTENT_AD MainVolumeDescriptorSequenceExtent;
119 UDF_EXTENT_AD ReserveVolumeDescriptorSequenceExtent;
120 UINT8 Reserved[480];
121} UDF_ANCHOR_VOLUME_DESCRIPTOR_POINTER;
122
123typedef struct {
124 UDF_DESCRIPTOR_TAG DescriptorTag;
125 UINT32 VolumeDescriptorSequenceNumber;
126 UDF_CHAR_SPEC DescriptorCharacterSet;
127 UINT8 LogicalVolumeIdentifier[128];
128 UINT32 LogicalBlockSize;
129 UDF_ENTITY_ID DomainIdentifier;
130 UDF_LONG_ALLOCATION_DESCRIPTOR LogicalVolumeContentsUse;
131 UINT32 MapTableLength;
132 UINT32 NumberOfPartitionMaps;
133 UDF_ENTITY_ID ImplementationIdentifier;
134 UINT8 ImplementationUse[128];
135 UDF_EXTENT_AD IntegritySequenceExtent;
136 UINT8 PartitionMaps[6];
137} UDF_LOGICAL_VOLUME_DESCRIPTOR;
138
139#pragma pack()
140
141#endif