diff options
Diffstat (limited to 'MdeModulePkg/Include')
| -rw-r--r-- | MdeModulePkg/Include/Guid/FirmwarePerformance.h | 14 | ||||
| -rw-r--r-- | MdeModulePkg/Include/Guid/Performance.h | 3 | ||||
| -rw-r--r-- | MdeModulePkg/Include/Guid/SmmVariableCommon.h | 6 | ||||
| -rw-r--r-- | MdeModulePkg/Include/Protocol/VariableLock.h | 63 |
4 files changed, 83 insertions, 3 deletions
diff --git a/MdeModulePkg/Include/Guid/FirmwarePerformance.h b/MdeModulePkg/Include/Guid/FirmwarePerformance.h index 7da07f9ea..a4aeda275 100644 --- a/MdeModulePkg/Include/Guid/FirmwarePerformance.h +++ b/MdeModulePkg/Include/Guid/FirmwarePerformance.h @@ -1,7 +1,7 @@ /** @file
ACPI Firmware Performance Data Table (FPDT) implementation specific definitions.
- Copyright (c) 2011 - 2012, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2011 - 2013, 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
@@ -50,6 +50,15 @@ #define EFI_FIRMWARE_PERFORMANCE_VARIABLE_NAME L"FirmwarePerformance"
+/// LockBox:
+/// GUID - gFirmwarePerformanceS3PointerGuid
+/// Data - S3 performance table pointer
+///
+#define FIRMWARE_PERFORMANCE_S3_POINTER_GUID \
+ { \
+ 0xdc65adc, 0xa973, 0x4130, { 0x8d, 0xf0, 0x2a, 0xdb, 0xeb, 0x9e, 0x4a, 0x31 } \
+ }
+
#pragma pack(1)
///
@@ -95,7 +104,7 @@ typedef struct { ///
/// Variable defined for FPDT implementation.
-/// This Variable is produced by FPDT DXE module and consumed by FPDT PEIM.
+/// This Variable is produced by FPDT DXE module.
///
typedef struct {
EFI_PHYSICAL_ADDRESS BootPerformanceTablePointer; ///< Pointer to Boot Performance Table.
@@ -118,5 +127,6 @@ typedef struct { } SMM_BOOT_RECORD_COMMUNICATE;
extern EFI_GUID gEfiFirmwarePerformanceGuid;
+extern EFI_GUID gFirmwarePerformanceS3PointerGuid;
#endif
diff --git a/MdeModulePkg/Include/Guid/Performance.h b/MdeModulePkg/Include/Guid/Performance.h index d7768e1fc..c40046c87 100644 --- a/MdeModulePkg/Include/Guid/Performance.h +++ b/MdeModulePkg/Include/Guid/Performance.h @@ -4,7 +4,7 @@ * performance protocol interfaces.
* performance variables.
-Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2009 - 2013, 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
@@ -48,6 +48,7 @@ typedef struct { #define PERF_TOKEN_SIZE 28
#define PERF_TOKEN_LENGTH (PERF_TOKEN_SIZE - 1)
#define PERF_PEI_ENTRY_MAX_NUM 50
+#define PERF_DATA_MAX_LENGTH 0x4000
typedef struct {
CHAR8 Token[PERF_TOKEN_SIZE];
diff --git a/MdeModulePkg/Include/Guid/SmmVariableCommon.h b/MdeModulePkg/Include/Guid/SmmVariableCommon.h index 478fd056b..a2daae8fe 100644 --- a/MdeModulePkg/Include/Guid/SmmVariableCommon.h +++ b/MdeModulePkg/Include/Guid/SmmVariableCommon.h @@ -60,6 +60,10 @@ typedef struct { // is gEfiSmmVariableProtocolGuid.
//
#define SMM_VARIABLE_FUNCTION_GET_STATISTICS 7
+//
+// The payload for this function is SMM_VARIABLE_COMMUNICATE_LOCK_VARIABLE
+//
+#define SMM_VARIABLE_FUNCTION_LOCK_VARIABLE 8
///
/// Size of SMM communicate header, without including the payload.
@@ -101,4 +105,6 @@ typedef struct { UINT32 Attributes;
} SMM_VARIABLE_COMMUNICATE_QUERY_VARIABLE_INFO;
+typedef SMM_VARIABLE_COMMUNICATE_GET_NEXT_VARIABLE_NAME SMM_VARIABLE_COMMUNICATE_LOCK_VARIABLE;
+
#endif // _SMM_VARIABLE_COMMON_H_
\ No newline at end of file diff --git a/MdeModulePkg/Include/Protocol/VariableLock.h b/MdeModulePkg/Include/Protocol/VariableLock.h new file mode 100644 index 000000000..a2a73bc16 --- /dev/null +++ b/MdeModulePkg/Include/Protocol/VariableLock.h @@ -0,0 +1,63 @@ +/** @file
+ Variable Lock Protocol is related to EDK II-specific implementation of variables
+ and intended for use as a means to mark a variable read-only after the event
+ EFI_END_OF_DXE_EVENT_GUID is signaled.
+
+ Copyright (c) 2013, 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_LOCK_H__
+#define __VARIABLE_LOCK_H__
+
+#define EDKII_VARIABLE_LOCK_PROTOCOL_GUID \
+ { \
+ 0xcd3d0a05, 0x9e24, 0x437c, { 0xa8, 0x91, 0x1e, 0xe0, 0x53, 0xdb, 0x76, 0x38 } \
+ }
+
+typedef struct _EDKII_VARIABLE_LOCK_PROTOCOL EDKII_VARIABLE_LOCK_PROTOCOL;
+
+/**
+ Mark a variable that will become read-only after leaving the DXE phase of execution.
+ Write request coming from SMM environment through EFI_SMM_VARIABLE_PROTOCOL is allowed.
+
+ @param[in] This The EDKII_VARIABLE_LOCK_PROTOCOL instance.
+ @param[in] VariableName A pointer to the variable name that will be made read-only subsequently.
+ @param[in] VendorGuid A pointer to the vendor GUID that will be made read-only subsequently.
+
+ @retval EFI_SUCCESS The variable specified by the VariableName and the VendorGuid was marked
+ as pending to be read-only.
+ @retval EFI_INVALID_PARAMETER VariableName or VendorGuid is NULL.
+ Or VariableName is an empty string.
+ @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 to hold the lock request.
+**/
+typedef
+EFI_STATUS
+(EFIAPI * EDKII_VARIABLE_LOCK_PROTOCOL_REQUEST_TO_LOCK) (
+ IN CONST EDKII_VARIABLE_LOCK_PROTOCOL *This,
+ IN CHAR16 *VariableName,
+ IN EFI_GUID *VendorGuid
+ );
+
+///
+/// Variable Lock Protocol is related to EDK II-specific implementation of variables
+/// and intended for use as a means to mark a variable read-only after the event
+/// EFI_END_OF_DXE_EVENT_GUID is signaled.
+///
+struct _EDKII_VARIABLE_LOCK_PROTOCOL {
+ EDKII_VARIABLE_LOCK_PROTOCOL_REQUEST_TO_LOCK RequestToLock;
+};
+
+extern EFI_GUID gEdkiiVariableLockProtocolGuid;
+
+#endif
+
|