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Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Yingke Liu <yingke.d.liu@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15971 6f19259b-4bc3-4df7-8a09-765794883524
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/** @file
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Defines data structure that is the headers found at the runtime
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updatable firmware volumes, such as the FileSystemGuid of the
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working block, the header structure of the variable block, FTW
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working block, or event log block.
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Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available
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under the terms and conditions of the BSD License which accompanies this
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distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __EFI_WORKING_BLOCK_HEADER_H__
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#define __EFI_WORKING_BLOCK_HEADER_H__
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//
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// EFI Fault tolerant working block header
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// The header is immediately followed by the write queue.
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//
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typedef struct {
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EFI_GUID Signature;
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UINT32 Crc;
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UINT8 WorkingBlockValid : 1;
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UINT8 WorkingBlockInvalid : 1;
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#define WORKING_BLOCK_VALID 0x1
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#define WORKING_BLOCK_INVALID 0x2
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UINT8 Reserved : 6;
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UINT8 Reserved3[3];
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UINT64 WriteQueueSize;
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//
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// UINT8 WriteQueue[WriteQueueSize];
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//
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} EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER;
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#endif
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