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30fdf114 LG |
1 | /** @file\r |
2 | Defines data structure that is the headers found at the runtime\r | |
3 | updatable firmware volumes, such as the FileSystemGuid of the\r | |
4 | working block, the header structure of the variable block, FTW\r | |
5 | working block, or event log block.\r | |
6 | \r | |
97fa0ee9 | 7 | Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>\r |
30fdf114 | 8 | \r |
2e351cbe | 9 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
30fdf114 | 10 | \r |
30fdf114 LG |
11 | **/\r |
12 | \r | |
13 | #ifndef __EFI_WORKING_BLOCK_HEADER_H__\r | |
14 | #define __EFI_WORKING_BLOCK_HEADER_H__\r | |
15 | \r | |
16 | //\r | |
17 | // EFI Fault tolerant working block header\r | |
18 | // The header is immediately followed by the write queue.\r | |
19 | //\r | |
20 | typedef struct {\r | |
21 | EFI_GUID Signature;\r | |
22 | UINT32 Crc;\r | |
23 | UINT8 WorkingBlockValid : 1;\r | |
24 | UINT8 WorkingBlockInvalid : 1;\r | |
25 | #define WORKING_BLOCK_VALID 0x1\r | |
26 | #define WORKING_BLOCK_INVALID 0x2\r | |
27 | UINT8 Reserved : 6;\r | |
28 | UINT8 Reserved3[3];\r | |
9053bc51 | 29 | UINT64 WriteQueueSize;\r |
30fdf114 LG |
30 | //\r |
31 | // UINT8 WriteQueue[WriteQueueSize];\r | |
32 | //\r | |
33 | } EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER;\r | |
34 | \r | |
35 | #endif\r |