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504214c4 | 1 | /** @file\r |
3cfb790c | 2 | \r |
504214c4 LG |
3 | The header structure of FTW working block region.\r |
4 | \r | |
5 | Copyright (c) 2006 - 2008, Intel Corporation\r | |
3cfb790c | 6 | All rights reserved. This program and the accompanying materials\r |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this 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,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
504214c4 | 14 | **/\r |
3cfb790c | 15 | \r |
16 | #ifndef __EFI_WORKING_BLOCK_HEADER_H__\r | |
17 | #define __EFI_WORKING_BLOCK_HEADER_H__\r | |
18 | \r | |
ebafc55b LG |
19 | #define WORKING_BLOCK_VALID 0x1\r |
20 | #define WORKING_BLOCK_INVALID 0x2\r | |
21 | \r | |
22 | ///\r | |
23 | /// EFI Fault tolerant working block header\r | |
24 | /// The header is immediately followed by the write queue.\r | |
25 | ///\r | |
3cfb790c | 26 | typedef struct {\r |
ebafc55b LG |
27 | ///\r |
28 | /// System Non Volatile FV Guid\r | |
29 | ///\r | |
3cfb790c | 30 | EFI_GUID Signature;\r |
ebafc55b LG |
31 | ///\r |
32 | /// 32bit CRC caculated for this header\r | |
33 | ///\r | |
3cfb790c | 34 | UINT32 Crc;\r |
ebafc55b LG |
35 | ///\r |
36 | /// Working block valid bit\r | |
37 | ///\r | |
3cfb790c | 38 | UINT8 WorkingBlockValid : 1;\r |
39 | UINT8 WorkingBlockInvalid : 1;\r | |
3cfb790c | 40 | UINT8 Reserved : 6;\r |
41 | UINT8 Reserved3[3];\r | |
ebafc55b LG |
42 | ///\r |
43 | /// Total size of the following write queue range.\r | |
44 | ///\r | |
2a958a00 | 45 | UINT64 WriteQueueSize;\r |
ebafc55b LG |
46 | ///\r |
47 | /// Write Queue data\r | |
48 | /// UINT8 WriteQueue[WriteQueueSize];\r | |
49 | ///\r | |
3cfb790c | 50 | } EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER;\r |
51 | \r | |
52 | #endif\r |