diff options
Diffstat (limited to 'MdeModulePkg/Include')
| -rw-r--r-- | MdeModulePkg/Include/Guid/SmmVariableCommon.h | 15 | ||||
| -rw-r--r-- | MdeModulePkg/Include/Protocol/SmmVarCheck.h | 36 | ||||
| -rw-r--r-- | MdeModulePkg/Include/Protocol/VarCheck.h | 120 |
3 files changed, 170 insertions, 1 deletions
diff --git a/MdeModulePkg/Include/Guid/SmmVariableCommon.h b/MdeModulePkg/Include/Guid/SmmVariableCommon.h index a2daae8..e92ab7f 100644 --- a/MdeModulePkg/Include/Guid/SmmVariableCommon.h +++ b/MdeModulePkg/Include/Guid/SmmVariableCommon.h @@ -1,7 +1,7 @@ /** @file
The file defined some common structures used for communicating between SMM variable module and SMM variable wrapper module.
-Copyright (c) 2011 - 2013, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2011 - 2015, 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
@@ -15,6 +15,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. #ifndef _SMM_VARIABLE_COMMON_H_
#define _SMM_VARIABLE_COMMON_H_
+#include <Protocol/VarCheck.h>
+
#define EFI_SMM_VARIABLE_WRITE_GUID \
{ 0x93ba1826, 0xdffb, 0x45dd, { 0x82, 0xa7, 0xe7, 0xdc, 0xaa, 0x3b, 0xbd, 0xf3 } }
@@ -65,6 +67,10 @@ typedef struct { //
#define SMM_VARIABLE_FUNCTION_LOCK_VARIABLE 8
+#define SMM_VARIABLE_FUNCTION_VAR_CHECK_VARIABLE_PROPERTY_SET 9
+
+#define SMM_VARIABLE_FUNCTION_VAR_CHECK_VARIABLE_PROPERTY_GET 10
+
///
/// Size of SMM communicate header, without including the payload.
///
@@ -107,4 +113,11 @@ typedef struct { typedef SMM_VARIABLE_COMMUNICATE_GET_NEXT_VARIABLE_NAME SMM_VARIABLE_COMMUNICATE_LOCK_VARIABLE;
+typedef struct {
+ EFI_GUID Guid;
+ UINTN NameSize;
+ VAR_CHECK_VARIABLE_PROPERTY VariableProperty;
+ CHAR16 Name[1];
+} SMM_VARIABLE_COMMUNICATE_VAR_CHECK_VARIABLE_PROPERTY;
+
#endif // _SMM_VARIABLE_COMMON_H_
\ No newline at end of file diff --git a/MdeModulePkg/Include/Protocol/SmmVarCheck.h b/MdeModulePkg/Include/Protocol/SmmVarCheck.h new file mode 100644 index 0000000..7faf5a9 --- /dev/null +++ b/MdeModulePkg/Include/Protocol/SmmVarCheck.h @@ -0,0 +1,36 @@ +/** @file
+ SMM variable check definitions, it reuses the interface definitions of variable check.
+
+ Copyright (c) 2015, 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
+ 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.
+
+**/
+
+#ifndef __SMM_VAR_CHECK_H__
+#define __SMM_VAR_CHECK_H__
+
+#include <Protocol/VarCheck.h>
+
+#define EDKII_SMM_VAR_CHECK_PROTOCOL_GUID \
+ { \
+ 0xb0d8f3c1, 0xb7de, 0x4c11, { 0xbc, 0x89, 0x2f, 0xb5, 0x62, 0xc8, 0xc4, 0x11 } \
+ };
+
+typedef struct _EDKII_SMM_VAR_CHECK_PROTOCOL EDKII_SMM_VAR_CHECK_PROTOCOL;
+
+struct _EDKII_SMM_VAR_CHECK_PROTOCOL {
+ EDKII_VAR_CHECK_REGISTER_SET_VARIABLE_CHECK_HANDLER SmmRegisterSetVariableCheckHandler;
+ EDKII_VAR_CHECK_VARIABLE_PROPERTY_SET SmmVariablePropertySet;
+ EDKII_VAR_CHECK_VARIABLE_PROPERTY_GET SmmVariablePropertyGet;
+};
+
+extern EFI_GUID gEdkiiSmmVarCheckProtocolGuid;
+
+#endif
+
diff --git a/MdeModulePkg/Include/Protocol/VarCheck.h b/MdeModulePkg/Include/Protocol/VarCheck.h new file mode 100644 index 0000000..1a79216 --- /dev/null +++ b/MdeModulePkg/Include/Protocol/VarCheck.h @@ -0,0 +1,120 @@ +/** @file
+ Variable check definitions.
+
+ Copyright (c) 2015, 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
+ 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.
+
+**/
+
+#ifndef _VARIABLE_CHECK_H_
+#define _VARIABLE_CHECK_H_
+
+#include <Uefi/UefiSpec.h>
+
+typedef struct _EDKII_VAR_CHECK_PROTOCOL EDKII_VAR_CHECK_PROTOCOL;
+
+#define EDKII_VAR_CHECK_PROTOCOL_GUID { \
+ 0xaf23b340, 0x97b4, 0x4685, { 0x8d, 0x4f, 0xa3, 0xf2, 0x81, 0x69, 0xb2, 0x1d } \
+};
+
+typedef EFI_SET_VARIABLE VAR_CHECK_SET_VARIABLE_CHECK_HANDLER;
+
+/**
+ Register SetVariable check handler.
+ Variable driver will call the handler to do check before
+ really setting the variable into variable storage.
+
+ @param[in] Handler Pointer to the check handler.
+
+ @retval EFI_SUCCESS The SetVariable check handler was registered successfully.
+ @retval EFI_INVALID_PARAMETER Handler is NULL.
+ @retval EFI_ACCESS_DENIED EFI_END_OF_DXE_EVENT_GROUP_GUID or EFI_EVENT_GROUP_READY_TO_BOOT has already been signaled.
+ @retval EFI_OUT_OF_RESOURCES There is not enough resource for the SetVariable check handler register request.
+ @retval EFI_UNSUPPORTED This interface is not implemented.
+ For example, it is unsupported in VarCheck protocol if both VarCheck and SmmVarCheck protocols are present.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI * EDKII_VAR_CHECK_REGISTER_SET_VARIABLE_CHECK_HANDLER) (
+ IN VAR_CHECK_SET_VARIABLE_CHECK_HANDLER Handler
+ );
+
+#define VAR_CHECK_VARIABLE_PROPERTY_REVISION 0x0001
+//
+// 1. Set by VariableLock PROTOCOL
+// 2. Set by VarCheck PROTOCOL
+//
+// If set, other fields for check will be ignored.
+//
+#define VAR_CHECK_VARIABLE_PROPERTY_READ_ONLY BIT0
+
+typedef struct {
+ UINT16 Revision;
+ UINT16 Property;
+ UINT32 Attributes;
+ UINTN MinSize;
+ UINTN MaxSize;
+} VAR_CHECK_VARIABLE_PROPERTY;
+
+/**
+ Variable property set.
+ Variable driver will do check according to the VariableProperty before
+ really setting the variable into variable storage.
+
+ @param[in] Name Pointer to the variable name.
+ @param[in] Guid Pointer to the vendor GUID.
+ @param[in] VariableProperty Pointer to the input variable property.
+
+ @retval EFI_SUCCESS The property of variable specified by the Name and Guid was set successfully.
+ @retval EFI_INVALID_PARAMETER Name, Guid or VariableProperty is NULL, or Name is an empty string,
+ or the fields of VariableProperty are not valid.
+ @retval EFI_ACCESS_DENIED EFI_END_OF_DXE_EVENT_GROUP_GUID or EFI_EVENT_GROUP_READY_TO_BOOT has
+ already been signaled.
+ @retval EFI_OUT_OF_RESOURCES There is not enough resource for the variable property set request.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI * EDKII_VAR_CHECK_VARIABLE_PROPERTY_SET) (
+ IN CHAR16 *Name,
+ IN EFI_GUID *Guid,
+ IN VAR_CHECK_VARIABLE_PROPERTY *VariableProperty
+ );
+
+/**
+ Variable property get.
+
+ @param[in] Name Pointer to the variable name.
+ @param[in] Guid Pointer to the vendor GUID.
+ @param[out] VariableProperty Pointer to the output variable property.
+
+ @retval EFI_SUCCESS The property of variable specified by the Name and Guid was got successfully.
+ @retval EFI_INVALID_PARAMETER Name, Guid or VariableProperty is NULL, or Name is an empty string.
+ @retval EFI_NOT_FOUND The property of variable specified by the Name and Guid was not found.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI * EDKII_VAR_CHECK_VARIABLE_PROPERTY_GET) (
+ IN CHAR16 *Name,
+ IN EFI_GUID *Guid,
+ OUT VAR_CHECK_VARIABLE_PROPERTY *VariableProperty
+ );
+
+struct _EDKII_VAR_CHECK_PROTOCOL {
+ EDKII_VAR_CHECK_REGISTER_SET_VARIABLE_CHECK_HANDLER RegisterSetVariableCheckHandler;
+ EDKII_VAR_CHECK_VARIABLE_PROPERTY_SET VariablePropertySet;
+ EDKII_VAR_CHECK_VARIABLE_PROPERTY_GET VariablePropertyGet;
+};
+
+extern EFI_GUID gEdkiiVarCheckProtocolGuid;
+
+#endif
+
|