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Diffstat (limited to 'EDK/Foundation/Include/EfiWorkingBlockHeader.h')
| -rw-r--r-- | EDK/Foundation/Include/EfiWorkingBlockHeader.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/EDK/Foundation/Include/EfiWorkingBlockHeader.h b/EDK/Foundation/Include/EfiWorkingBlockHeader.h new file mode 100644 index 0000000..073252d --- /dev/null +++ b/EDK/Foundation/Include/EfiWorkingBlockHeader.h @@ -0,0 +1,47 @@ +/*++ + +Copyright (c) 2004 - 2005, Intel Corporation +All rights reserved. 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. + +Module Name: + + EfiWorkingBlockHeader.h + +Abstract: + + 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. + +--*/ + +#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]; + UINTN WriteQueueSize; + // + // UINT8 WriteQueue[WriteQueueSize]; + // +} EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER; + +#endif |