1. added common header files, Guid header filess, Protocol header files, PPI header...

[mirror_edk2.git] / MdeModulePkg / Include / Common / WorkingBlockHeader.h

diff --git a/MdeModulePkg/Include/Common/WorkingBlockHeader.h b/MdeModulePkg/Include/Common/WorkingBlockHeader.h
new file mode 100644 (file)
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+++ b/MdeModulePkg/Include/Common/WorkingBlockHeader.h
@@ -0,0 +1,47 @@
+/*++\r
+\r
+Copyright (c) 2006, 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
+http://opensource.org/licenses/bsd-license.php\r
+\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
+#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
+typedef struct {\r
+  EFI_GUID  Signature;\r
+  UINT32    Crc;\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
+} EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER;\r
+\r
+#endif\r