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36 lines
983 B
C
36 lines
983 B
C
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/** @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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SPDX-License-Identifier: BSD-2-Clause-Patent
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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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