878ddf1f |
1 | /*++\r |
2 | \r |
3 | Copyright (c) 2006, Intel Corporation \r |
4 | All rights reserved. This program and the accompanying materials \r |
5 | are licensed and made available under the terms and conditions of the BSD License \r |
6 | which accompanies this distribution. The full text of the license may be found at \r |
7 | http://opensource.org/licenses/bsd-license.php \r |
8 | \r |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r |
11 | \r |
12 | Module Name:\r |
13 | \r |
14 | EfiWorkingBlockHeader.h\r |
15 | \r |
16 | Abstract:\r |
17 | \r |
18 | Defines data structure that is the headers found at the runtime \r |
19 | updatable firmware volumes, such as the FileSystemGuid of the \r |
20 | working block, the header structure of the variable block, FTW\r |
21 | working block, or event log block.\r |
22 | \r |
23 | --*/\r |
24 | \r |
25 | #ifndef _EFI_WORKING_BLOCK_HEADER_H_\r |
26 | #define _EFI_WORKING_BLOCK_HEADER_H_\r |
27 | \r |
28 | //\r |
29 | // EFI Fault tolerant working block header\r |
30 | // The header is immediately followed by the write queue.\r |
31 | //\r |
32 | typedef struct {\r |
33 | EFI_GUID Signature;\r |
34 | UINT32 Crc;\r |
35 | UINT32 WorkingBlockValid : 1;\r |
36 | UINT32 WorkingBlockInvalid : 1;\r |
37 | #define WORKING_BLOCK_VALID 0x1\r |
38 | #define WORKING_BLOCK_INVALID 0x2\r |
39 | UINT32 Reserved : 6;\r |
40 | UINT8 Reserved3[3];\r |
41 | UINTN WriteQueueSize;\r |
42 | //\r |
43 | // UINT8 WriteQueue[WriteQueueSize];\r |
44 | //\r |
45 | } EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER;\r |
46 | \r |
47 | #endif\r |