-/*++\r
+/** @file\r
\r
-Copyright (c) 2006, Intel Corporation\r
+ The header structure of FTW working block region.\r
+\r
+Copyright (c) 2006 - 2008, Intel Corporation\r
All rights reserved. This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
-Module Name:\r
-\r
- EfiWorkingBlockHeader.h\r
-\r
-Abstract:\r
-\r
- Defines data structure that is the headers found at the runtime\r
- updatable firmware volumes, such as the FileSystemGuid of the\r
- working block, the header structure of the variable block, FTW\r
- working block, or event log block.\r
-\r
---*/\r
+**/\r
\r
#ifndef __EFI_WORKING_BLOCK_HEADER_H__\r
#define __EFI_WORKING_BLOCK_HEADER_H__\r
\r
-//\r
-// EFI Fault tolerant working block header\r
-// The header is immediately followed by the write queue.\r
-//\r
+#define WORKING_BLOCK_VALID 0x1\r
+#define WORKING_BLOCK_INVALID 0x2\r
+\r
+///\r
+/// EDKII Fault tolerant working block header\r
+/// The header is immediately followed by the write queue data.\r
+///\r
typedef struct {\r
+ ///\r
+ /// System Non Volatile FV Guid\r
+ ///\r
EFI_GUID Signature;\r
+ ///\r
+ /// 32bit CRC caculated for this header\r
+ ///\r
UINT32 Crc;\r
+ ///\r
+ /// Working block valid bit\r
+ ///\r
UINT8 WorkingBlockValid : 1;\r
UINT8 WorkingBlockInvalid : 1;\r
-#define WORKING_BLOCK_VALID 0x1\r
-#define WORKING_BLOCK_INVALID 0x2\r
UINT8 Reserved : 6;\r
UINT8 Reserved3[3];\r
- UINT32 WriteQueueSize;\r
- //\r
- // UINT8 WriteQueue[WriteQueueSize];\r
- //\r
+ ///\r
+ /// Total size of the following write queue range.\r
+ ///\r
+ UINT64 WriteQueueSize;\r
+ ///\r
+ /// Write Queue data\r
+ /// UINT8 WriteQueue[WriteQueueSize];\r
+ ///\r
} EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER;\r
\r
#endif\r