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| author | gdong1 <gdong1@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-02-28 07:31:45 +0000 |
|---|---|---|
| committer | gdong1 <gdong1@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-02-28 07:31:45 +0000 |
| commit | d00ed85e0ab212b988458b2fe98f20cb295637ad (patch) | |
| tree | 748ca27a963b34e2e26c946fcca3b2601ff9e643 /MdeModulePkg/Include/Guid/SmmVariableCommon.h | |
| parent | 60d8f1f856b4aeaece21329c5f5a3c40e4c6499f (diff) | |
| download | edk2-platforms-d00ed85e0ab212b988458b2fe98f20cb295637ad.tar.xz | |
Puts SMM variable common definitions in SmmVariableCommon.h.
Fixed a bug that SMM_VARIABLE_COMMUNICATE_VARIABLE_INFO_ENTRY was misused as SMM_VARIABLE_COMMUNICATE_QUERY_VARIABLE_INFO.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11339 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Include/Guid/SmmVariableCommon.h')
| -rw-r--r-- | MdeModulePkg/Include/Guid/SmmVariableCommon.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/MdeModulePkg/Include/Guid/SmmVariableCommon.h b/MdeModulePkg/Include/Guid/SmmVariableCommon.h new file mode 100644 index 0000000000..c7fde00ca2 --- /dev/null +++ b/MdeModulePkg/Include/Guid/SmmVariableCommon.h @@ -0,0 +1,104 @@ +/** @file
+ The file defined some common structures used for communicating between SMM variable module and SMM variable wrapper module.
+
+Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials are licensed and made available under
+the terms and conditions of the BSD License that 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.
+
+**/
+
+#ifndef _SMM_VARIABLE_COMMON_H_
+#define _SMM_VARIABLE_COMMON_H_
+
+#define EFI_SMM_VARIABLE_WRITE_GUID \
+ { 0x93ba1826, 0xdffb, 0x45dd, { 0x82, 0xa7, 0xe7, 0xdc, 0xaa, 0x3b, 0xbd, 0xf3 } }
+
+extern EFI_GUID gSmmVariableWriteGuid;
+
+//
+// This structure is used for SMM variable. the collected statistics data is saved in SMRAM. It can be got from
+// SMI handler. The communication buffer should be:
+// EFI_SMM_COMMUNICATE_HEADER + SMM_VARIABLE_COMMUNICATE_HEADER + payload.
+//
+typedef struct {
+ UINTN Function;
+ EFI_STATUS ReturnStatus;
+ UINT8 Data[1];
+} SMM_VARIABLE_COMMUNICATE_HEADER;
+
+//
+// The payload for this function is SMM_VARIABLE_COMMUNICATE_ACCESS_VARIABLE.
+//
+#define SMM_VARIABLE_FUNCTION_GET_VARIABLE 1
+//
+// The payload for this function is SMM_VARIABLE_COMMUNICATE_GET_NEXT_VARIABLE_NAME.
+//
+#define SMM_VARIABLE_FUNCTION_GET_NEXT_VARIABLE_NAME 2
+//
+// The payload for this function is SMM_VARIABLE_COMMUNICATE_ACCESS_VARIABLE.
+//
+#define SMM_VARIABLE_FUNCTION_SET_VARIABLE 3
+//
+// The payload for this function is SMM_VARIABLE_COMMUNICATE_QUERY_VARIABLE_INFO.
+//
+#define SMM_VARIABLE_FUNCTION_QUERY_VARIABLE_INFO 4
+//
+// It is a notify event, no extra payload for this function.
+//
+#define SMM_VARIABLE_FUNCTION_READY_TO_BOOT 5
+//
+// It is a notify event, no extra payload for this function.
+//
+#define SMM_VARIABLE_FUNCTION_EXIT_BOOT_SERVICE 6
+//
+// The payload for this function is VARIABLE_INFO_ENTRY. The GUID in EFI_SMM_COMMUNICATE_HEADER
+// is gEfiSmmVariableProtocolGuid.
+//
+#define SMM_VARIABLE_FUNCTION_GET_STATISTICS 7
+
+///
+/// Size of SMM communicate header, without including the payload.
+///
+#define SMM_COMMUNICATE_HEADER_SIZE (OFFSET_OF (EFI_SMM_COMMUNICATE_HEADER, Data))
+
+///
+/// Size of SMM variable communicate header, without including the payload.
+///
+#define SMM_VARIABLE_COMMUNICATE_HEADER_SIZE (OFFSET_OF (SMM_VARIABLE_COMMUNICATE_HEADER, Data))
+
+///
+/// This structure is used to communicate with SMI handler by SetVariable and GetVariable.
+///
+typedef struct {
+ EFI_GUID Guid;
+ UINTN DataSize;
+ UINTN NameSize;
+ UINT32 Attributes;
+ CHAR16 Name[1];
+} SMM_VARIABLE_COMMUNICATE_ACCESS_VARIABLE;
+
+///
+/// This structure is used to communicate with SMI handler by GetNextVariableName.
+///
+typedef struct {
+ EFI_GUID Guid;
+ UINTN NameSize;
+ CHAR16 Name[1];
+} SMM_VARIABLE_COMMUNICATE_GET_NEXT_VARIABLE_NAME;
+
+///
+/// This structure is used to communicate with SMI handler by QueryVariableInfo.
+///
+typedef struct {
+ UINT64 MaximumVariableStorageSize;
+ UINT64 RemainingVariableStorageSize;
+ UINT64 MaximumVariableSize;
+ UINT32 Attributes;
+} SMM_VARIABLE_COMMUNICATE_QUERY_VARIABLE_INFO;
+
+#endif // _SMM_VARIABLE_COMMON_H_
\ No newline at end of file |