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Diffstat (limited to '')
-rw-r--r-- | src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/Include/Common/WorkingBlockHeader.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/Include/Common/WorkingBlockHeader.h b/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/Include/Common/WorkingBlockHeader.h new file mode 100644 index 00000000..8912949b --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/Include/Common/WorkingBlockHeader.h @@ -0,0 +1,35 @@ +/** @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> + + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#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 |