projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| fae0d2a2 PA |
1 | /** @file\r |
| 2 | OSTA Universal Disk Format (UDF) definitions.\r | |
| 3 | \r | |
| 4 | Copyright (C) 2014-2017 Paulo Alcantara <pcacjr@zytor.com>\r | |
| 5 | \r | |
| 6 | This program and the accompanying materials are licensed and made available\r | |
| 7 | under the terms and conditions of the BSD License which accompanies this\r | |
| 8 | distribution. The full text of the license may be found at\r | |
| 9 | http://opensource.org/licenses/bsd-license.php\r | |
| 10 | \r | |
| 11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT\r | |
| 12 | WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 13 | **/\r | |
| 14 | \r | |
| 15 | #ifndef __UDF_H__\r | |
| 16 | #define __UDF_H__\r | |
| 17 | \r | |
| 18 | #define UDF_BEA_IDENTIFIER "BEA01"\r | |
| 19 | #define UDF_NSR2_IDENTIFIER "NSR02"\r | |
| 20 | #define UDF_NSR3_IDENTIFIER "NSR03"\r | |
| 21 | #define UDF_TEA_IDENTIFIER "TEA01"\r | |
| 22 | \r | |
| 23 | #define UDF_LOGICAL_SECTOR_SHIFT 11\r | |
| 24 | #define UDF_LOGICAL_SECTOR_SIZE ((UINT64)(1ULL << UDF_LOGICAL_SECTOR_SHIFT))\r | |
| 25 | #define UDF_VRS_START_OFFSET ((UINT64)(16ULL << UDF_LOGICAL_SECTOR_SHIFT))\r | |
| 26 | \r | |
| 27 | #define _GET_TAG_ID(_Pointer) \\r | |
| 28 | (((UDF_DESCRIPTOR_TAG *)(_Pointer))->TagIdentifier)\r | |
| 29 | \r | |
| 30 | #define IS_AVDP(_Pointer) \\r | |
| 31 | ((BOOLEAN)(_GET_TAG_ID (_Pointer) == 2))\r | |
| 32 | \r | |
| 33 | #pragma pack(1)\r | |
| 34 | \r | |
| 35 | typedef struct {\r | |
| 36 | UINT16 TagIdentifier;\r | |
| 37 | UINT16 DescriptorVersion;\r | |
| 38 | UINT8 TagChecksum;\r | |
| 39 | UINT8 Reserved;\r | |
| 40 | UINT16 TagSerialNumber;\r | |
| 41 | UINT16 DescriptorCRC;\r | |
| 42 | UINT16 DescriptorCRCLength;\r | |
| 43 | UINT32 TagLocation;\r | |
| 44 | } UDF_DESCRIPTOR_TAG;\r | |
| 45 | \r | |
| 46 | typedef struct {\r | |
| 47 | UINT32 ExtentLength;\r | |
| 48 | UINT32 ExtentLocation;\r | |
| 49 | } UDF_EXTENT_AD;\r | |
| 50 | \r | |
| 51 | typedef struct {\r | |
| 52 | UDF_DESCRIPTOR_TAG DescriptorTag;\r | |
| 53 | UDF_EXTENT_AD MainVolumeDescriptorSequenceExtent;\r | |
| 54 | UDF_EXTENT_AD ReserveVolumeDescriptorSequenceExtent;\r | |
| 55 | UINT8 Reserved[480];\r | |
| 56 | } UDF_ANCHOR_VOLUME_DESCRIPTOR_POINTER;\r | |
| 57 | \r | |
| 58 | #pragma pack()\r | |
| 59 | \r | |
| 60 | #endif\r |