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/** @file
Defines data structure that is the headers found at the runtime
updatable firmware volumes, such as the FileSystemGuid of the
working block, the header structure of the variable block, FTW
working block, or event log block.
Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available
under the terms and conditions of the BSD License which accompanies this
distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef __EFI_WORKING_BLOCK_HEADER_H__
#define __EFI_WORKING_BLOCK_HEADER_H__
//
// EFI Fault tolerant working block header
// The header is immediately followed by the write queue.
//
typedef struct {
EFI_GUID Signature;
UINT32 Crc;
UINT8 WorkingBlockValid : 1;
UINT8 WorkingBlockInvalid : 1;
#define WORKING_BLOCK_VALID 0x1
#define WORKING_BLOCK_INVALID 0x2
UINT8 Reserved : 6;
UINT8 Reserved3[3];
UINT64 WriteQueueSize;
//
// UINT8 WriteQueue[WriteQueueSize];
//
} EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER;
#endif
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