3 Copyright (c) 2006, Intel Corporation
4 All rights reserved. This program and the accompanying materials
5 are licensed and made available under the terms and conditions of the BSD License
6 which accompanies this distribution. The full text of the license may be found at
7 http://opensource.org/licenses/bsd-license.php
9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
14 EfiWorkingBlockHeader.h
18 Defines data structure that is the headers found at the runtime
19 updatable firmware volumes, such as the FileSystemGuid of the
20 working block, the header structure of the variable block, FTW
21 working block, or event log block.
25 #ifndef __EFI_WORKING_BLOCK_HEADER_H__
26 #define __EFI_WORKING_BLOCK_HEADER_H__
29 // EFI Fault tolerant working block header
30 // The header is immediately followed by the write queue.
35 UINT8 WorkingBlockValid
: 1;
36 UINT8 WorkingBlockInvalid
: 1;
37 #define WORKING_BLOCK_VALID 0x1
38 #define WORKING_BLOCK_INVALID 0x2
41 UINT32 WriteQueueSize
;
43 // UINT8 WriteQueue[WriteQueueSize];
45 } EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER
;