projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 5c526736 LG |
1 | /** @file \r |
| 2 | This file defines NvDataFv GUID and FTW working block structure header.\r | |
| 6426c8ff LG |
3 | This guid can be used as FileSystemGuid in EFI_FIRMWARE_VOLUME_HEADER if \r |
| 4 | this FV image contains NV data, such as NV variable data.\r | |
| 5 | This guid can also be used as the signature of FTW working block header.\r | |
| 504214c4 | 6 | \r |
| 6426c8ff | 7 | Copyright (c) 2006 - 2009, Intel Corporation \r |
| 88f20127 | 8 | All rights reserved. This program and the accompanying materials \r |
| 9 | are licensed and made available under the terms and conditions of the BSD License \r | |
| 10 | which accompanies this distribution. The full text of the license may be found at \r | |
| 11 | http://opensource.org/licenses/bsd-license.php \r | |
| 12 | \r | |
| 13 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
| 14 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
| 15 | \r | |
| 504214c4 | 16 | **/\r |
| 88f20127 | 17 | \r |
| 18 | #ifndef __SYSTEM_NV_DATA_GUID_H__\r | |
| 19 | #define __SYSTEM_NV_DATA_GUID_H__\r | |
| 20 | \r | |
| 21 | #define EFI_SYSTEM_NV_DATA_FV_GUID \\r | |
| 22 | {0xfff12b8d, 0x7696, 0x4c8b, {0xa9, 0x85, 0x27, 0x47, 0x7, 0x5b, 0x4f, 0x50} }\r | |
| 23 | \r | |
| ebafc55b | 24 | ///\r |
| 5c526736 | 25 | /// NvDataFv GUID used as the signature of FTW working block header.\r |
| ebafc55b | 26 | ///\r |
| 5c526736 | 27 | extern EFI_GUID gEfiSystemNvDataFvGuid;\r |
| 88f20127 | 28 | \r |
| 5c526736 LG |
29 | #define WORKING_BLOCK_VALID 0x1\r |
| 30 | #define WORKING_BLOCK_INVALID 0x2\r | |
| ebafc55b LG |
31 | \r |
| 32 | ///\r | |
| 5c526736 LG |
33 | /// EDKII Fault tolerant working block header\r |
| 34 | /// The header is immediately followed by the write queue data.\r | |
| ebafc55b | 35 | ///\r |
| 5c526736 LG |
36 | typedef struct {\r |
| 37 | ///\r | |
| 38 | /// System Non Volatile FV Guid\r | |
| 39 | ///\r | |
| 40 | EFI_GUID Signature;\r | |
| 41 | ///\r | |
| 42 | /// 32bit CRC caculated for this header\r | |
| 43 | ///\r | |
| 44 | UINT32 Crc;\r | |
| 45 | ///\r | |
| 46 | /// Working block valid bit\r | |
| 47 | ///\r | |
| 48 | UINT8 WorkingBlockValid : 1;\r | |
| 49 | UINT8 WorkingBlockInvalid : 1;\r | |
| 50 | UINT8 Reserved : 6;\r | |
| 51 | UINT8 Reserved3[3];\r | |
| 52 | ///\r | |
| 53 | /// Total size of the following write queue range.\r | |
| 54 | ///\r | |
| 55 | UINT64 WriteQueueSize;\r | |
| 56 | ///\r | |
| 57 | /// Write Queue data\r | |
| 58 | /// UINT8 WriteQueue[WriteQueueSize];\r | |
| 59 | ///\r | |
| 60 | } EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER;\r | |
| 88f20127 | 61 | \r |
| 62 | #endif\r |