#include "Tcg2Smm.h"\r
\r
EFI_SMM_VARIABLE_PROTOCOL *mSmmVariable = NULL;\r
-TCG_NVS *mTcgNvs = NULL;\r
-UINTN mPpSoftwareSmi;\r
-UINTN mMcSoftwareSmi;\r
-EFI_HANDLE mReadyToLockHandle;\r
+TCG_NVS *mTcgNvs = NULL;\r
+UINTN mPpSoftwareSmi;\r
+UINTN mMcSoftwareSmi;\r
+EFI_HANDLE mReadyToLockHandle;\r
\r
/**\r
Communication service SMI Handler entry.\r
EFI_STATUS\r
EFIAPI\r
TpmNvsCommunciate (\r
- IN EFI_HANDLE DispatchHandle,\r
- IN CONST VOID *RegisterContext,\r
- IN OUT VOID *CommBuffer,\r
- IN OUT UINTN *CommBufferSize\r
+ IN EFI_HANDLE DispatchHandle,\r
+ IN CONST VOID *RegisterContext,\r
+ IN OUT VOID *CommBuffer,\r
+ IN OUT UINTN *CommBufferSize\r
)\r
{\r
- EFI_STATUS Status;\r
- UINTN TempCommBufferSize;\r
- TPM_NVS_MM_COMM_BUFFER *CommParams;\r
+ EFI_STATUS Status;\r
+ UINTN TempCommBufferSize;\r
+ TPM_NVS_MM_COMM_BUFFER *CommParams;\r
\r
DEBUG ((DEBUG_VERBOSE, "%a()\n", __FUNCTION__));\r
\r
//\r
// If input is invalid, stop processing this SMI\r
//\r
- if (CommBuffer == NULL || CommBufferSize == NULL) {\r
+ if ((CommBuffer == NULL) || (CommBufferSize == NULL)) {\r
return EFI_SUCCESS;\r
}\r
\r
TempCommBufferSize = *CommBufferSize;\r
\r
- if(TempCommBufferSize != sizeof (TPM_NVS_MM_COMM_BUFFER)) {\r
+ if (TempCommBufferSize != sizeof (TPM_NVS_MM_COMM_BUFFER)) {\r
DEBUG ((DEBUG_ERROR, "[%a] MM Communication buffer size is invalid for this handler!\n", __FUNCTION__));\r
return EFI_ACCESS_DENIED;\r
}\r
- if (!IsBufferOutsideMmValid ((UINTN) CommBuffer, TempCommBufferSize)) {\r
+\r
+ if (!IsBufferOutsideMmValid ((UINTN)CommBuffer, TempCommBufferSize)) {\r
DEBUG ((DEBUG_ERROR, "[%a] - MM Communication buffer in invalid location!\n", __FUNCTION__));\r
return EFI_ACCESS_DENIED;\r
}\r
//\r
// Farm out the job to individual functions based on what was requested.\r
//\r
- CommParams = (TPM_NVS_MM_COMM_BUFFER*) CommBuffer;\r
- Status = EFI_SUCCESS;\r
+ CommParams = (TPM_NVS_MM_COMM_BUFFER *)CommBuffer;\r
+ Status = EFI_SUCCESS;\r
switch (CommParams->Function) {\r
case TpmNvsMmExchangeInfo:\r
DEBUG ((DEBUG_VERBOSE, "[%a] - Function requested: MM_EXCHANGE_NVS_INFO\n", __FUNCTION__));\r
CommParams->RegisteredPpSwiValue = mPpSoftwareSmi;\r
CommParams->RegisteredMcSwiValue = mMcSoftwareSmi;\r
- mTcgNvs = (TCG_NVS*) (UINTN) CommParams->TargetAddress;\r
+ mTcgNvs = (TCG_NVS *)(UINTN)CommParams->TargetAddress;\r
break;\r
\r
default:\r
break;\r
}\r
\r
- CommParams->ReturnStatus = (UINT64) Status;\r
+ CommParams->ReturnStatus = (UINT64)Status;\r
return EFI_SUCCESS;\r
}\r
\r
EFI_STATUS\r
EFIAPI\r
PhysicalPresenceCallback (\r
- IN EFI_HANDLE DispatchHandle,\r
- IN CONST VOID *Context,\r
- IN OUT VOID *CommBuffer,\r
- IN OUT UINTN *CommBufferSize\r
+ IN EFI_HANDLE DispatchHandle,\r
+ IN CONST VOID *Context,\r
+ IN OUT VOID *CommBuffer,\r
+ IN OUT UINTN *CommBufferSize\r
)\r
{\r
- UINT32 MostRecentRequest;\r
- UINT32 Response;\r
- UINT32 OperationRequest;\r
- UINT32 RequestParameter;\r
-\r
+ UINT32 MostRecentRequest;\r
+ UINT32 Response;\r
+ UINT32 OperationRequest;\r
+ UINT32 RequestParameter;\r
\r
if (mTcgNvs->PhysicalPresence.Parameter == TCG_ACPI_FUNCTION_RETURN_REQUEST_RESPONSE_TO_OS) {\r
mTcgNvs->PhysicalPresence.ReturnCode = Tcg2PhysicalPresenceLibReturnOperationResponseToOsFunction (\r
&Response\r
);\r
mTcgNvs->PhysicalPresence.LastRequest = MostRecentRequest;\r
- mTcgNvs->PhysicalPresence.Response = Response;\r
+ mTcgNvs->PhysicalPresence.Response = Response;\r
return EFI_SUCCESS;\r
- } else if ((mTcgNvs->PhysicalPresence.Parameter == TCG_ACPI_FUNCTION_SUBMIT_REQUEST_TO_BIOS)\r
- || (mTcgNvs->PhysicalPresence.Parameter == TCG_ACPI_FUNCTION_SUBMIT_REQUEST_TO_BIOS_2)) {\r
-\r
- OperationRequest = mTcgNvs->PhysicalPresence.Request;\r
- RequestParameter = mTcgNvs->PhysicalPresence.RequestParameter;\r
+ } else if ( (mTcgNvs->PhysicalPresence.Parameter == TCG_ACPI_FUNCTION_SUBMIT_REQUEST_TO_BIOS)\r
+ || (mTcgNvs->PhysicalPresence.Parameter == TCG_ACPI_FUNCTION_SUBMIT_REQUEST_TO_BIOS_2))\r
+ {\r
+ OperationRequest = mTcgNvs->PhysicalPresence.Request;\r
+ RequestParameter = mTcgNvs->PhysicalPresence.RequestParameter;\r
mTcgNvs->PhysicalPresence.ReturnCode = Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunctionEx (\r
&OperationRequest,\r
&RequestParameter\r
);\r
- mTcgNvs->PhysicalPresence.Request = OperationRequest;\r
+ mTcgNvs->PhysicalPresence.Request = OperationRequest;\r
mTcgNvs->PhysicalPresence.RequestParameter = RequestParameter;\r
} else if (mTcgNvs->PhysicalPresence.Parameter == TCG_ACPI_FUNCTION_GET_USER_CONFIRMATION_STATUS_FOR_REQUEST) {\r
mTcgNvs->PhysicalPresence.ReturnCode = Tcg2PhysicalPresenceLibGetUserConfirmationStatusFunction (mTcgNvs->PPRequestUserConfirm);\r
return EFI_SUCCESS;\r
}\r
\r
-\r
/**\r
Software SMI callback for MemoryClear which is called from ACPI method.\r
\r
EFI_STATUS\r
EFIAPI\r
MemoryClearCallback (\r
- IN EFI_HANDLE DispatchHandle,\r
- IN CONST VOID *Context,\r
- IN OUT VOID *CommBuffer,\r
- IN OUT UINTN *CommBufferSize\r
+ IN EFI_HANDLE DispatchHandle,\r
+ IN CONST VOID *Context,\r
+ IN OUT VOID *CommBuffer,\r
+ IN OUT UINTN *CommBufferSize\r
)\r
{\r
- EFI_STATUS Status;\r
- UINTN DataSize;\r
- UINT8 MorControl;\r
+ EFI_STATUS Status;\r
+ UINTN DataSize;\r
+ UINT8 MorControl;\r
\r
mTcgNvs->MemoryClear.ReturnCode = MOR_REQUEST_SUCCESS;\r
if (mTcgNvs->MemoryClear.Parameter == ACPI_FUNCTION_DSM_MEMORY_CLEAR_INTERFACE) {\r
- MorControl = (UINT8) mTcgNvs->MemoryClear.Request;\r
+ MorControl = (UINT8)mTcgNvs->MemoryClear.Request;\r
} else if (mTcgNvs->MemoryClear.Parameter == ACPI_FUNCTION_PTS_CLEAR_MOR_BIT) {\r
DataSize = sizeof (UINT8);\r
- Status = mSmmVariable->SmmGetVariable (\r
- MEMORY_OVERWRITE_REQUEST_VARIABLE_NAME,\r
- &gEfiMemoryOverwriteControlDataGuid,\r
- NULL,\r
- &DataSize,\r
- &MorControl\r
- );\r
+ Status = mSmmVariable->SmmGetVariable (\r
+ MEMORY_OVERWRITE_REQUEST_VARIABLE_NAME,\r
+ &gEfiMemoryOverwriteControlDataGuid,\r
+ NULL,\r
+ &DataSize,\r
+ &MorControl\r
+ );\r
if (EFI_ERROR (Status)) {\r
mTcgNvs->MemoryClear.ReturnCode = MOR_REQUEST_GENERAL_FAILURE;\r
DEBUG ((DEBUG_ERROR, "[TPM] Get MOR variable failure! Status = %r\n", Status));\r
if (MOR_CLEAR_MEMORY_VALUE (MorControl) == 0x0) {\r
return EFI_SUCCESS;\r
}\r
+\r
MorControl &= ~MOR_CLEAR_MEMORY_BIT_MASK;\r
} else {\r
mTcgNvs->MemoryClear.ReturnCode = MOR_REQUEST_GENERAL_FAILURE;\r
}\r
\r
DataSize = sizeof (UINT8);\r
- Status = mSmmVariable->SmmSetVariable (\r
- MEMORY_OVERWRITE_REQUEST_VARIABLE_NAME,\r
- &gEfiMemoryOverwriteControlDataGuid,\r
- EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
- DataSize,\r
- &MorControl\r
- );\r
+ Status = mSmmVariable->SmmSetVariable (\r
+ MEMORY_OVERWRITE_REQUEST_VARIABLE_NAME,\r
+ &gEfiMemoryOverwriteControlDataGuid,\r
+ EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
+ DataSize,\r
+ &MorControl\r
+ );\r
if (EFI_ERROR (Status)) {\r
mTcgNvs->MemoryClear.ReturnCode = MOR_REQUEST_GENERAL_FAILURE;\r
DEBUG ((DEBUG_ERROR, "[TPM] Set MOR variable failure! Status = %r\n", Status));\r
IN CONST EFI_GUID *Protocol,\r
IN VOID *Interface,\r
IN EFI_HANDLE Handle\r
-)\r
+ )\r
{\r
- EFI_STATUS Status;\r
+ EFI_STATUS Status;\r
\r
Status = EFI_SUCCESS;\r
\r
if (mReadyToLockHandle != NULL) {\r
- Status = gMmst->MmiHandlerUnRegister (mReadyToLockHandle);\r
+ Status = gMmst->MmiHandlerUnRegister (mReadyToLockHandle);\r
mReadyToLockHandle = NULL;\r
}\r
+\r
return Status;\r
}\r
\r
EFI_HANDLE McSwHandle;\r
EFI_HANDLE NotifyHandle;\r
\r
- if (!CompareGuid (PcdGetPtr(PcdTpmInstanceGuid), &gEfiTpmDeviceInstanceTpm20DtpmGuid)){\r
+ if (!CompareGuid (PcdGetPtr (PcdTpmInstanceGuid), &gEfiTpmDeviceInstanceTpm20DtpmGuid)) {\r
DEBUG ((DEBUG_ERROR, "No TPM2 DTPM instance required!\n"));\r
return EFI_UNSUPPORTED;\r
}\r
\r
// Initialize variables first\r
mReadyToLockHandle = NULL;\r
- SwDispatch = NULL;\r
- PpSwHandle = NULL;\r
- McSwHandle = NULL;\r
- NotifyHandle = NULL;\r
+ SwDispatch = NULL;\r
+ PpSwHandle = NULL;\r
+ McSwHandle = NULL;\r
+ NotifyHandle = NULL;\r
\r
// Register a root handler to communicate the NVS region and SMI channel between MM and DXE\r
Status = gMmst->MmiHandlerRegister (TpmNvsCommunciate, &gTpmNvsMmGuid, &mReadyToLockHandle);\r
//\r
// Get the Sw dispatch protocol and register SMI callback functions.\r
//\r
- Status = gMmst->MmLocateProtocol (&gEfiSmmSwDispatch2ProtocolGuid, NULL, (VOID**)&SwDispatch);\r
+ Status = gMmst->MmLocateProtocol (&gEfiSmmSwDispatch2ProtocolGuid, NULL, (VOID **)&SwDispatch);\r
ASSERT_EFI_ERROR (Status);\r
if (EFI_ERROR (Status)) {\r
DEBUG ((DEBUG_ERROR, "[%a] Failed to locate Sw dispatch protocol - %r!\n", __FUNCTION__, Status));\r
goto Cleanup;\r
}\r
\r
- SwContext.SwSmiInputValue = (UINTN) -1;\r
- Status = SwDispatch->Register (SwDispatch, PhysicalPresenceCallback, &SwContext, &PpSwHandle);\r
+ SwContext.SwSmiInputValue = (UINTN)-1;\r
+ Status = SwDispatch->Register (SwDispatch, PhysicalPresenceCallback, &SwContext, &PpSwHandle);\r
ASSERT_EFI_ERROR (Status);\r
if (EFI_ERROR (Status)) {\r
DEBUG ((DEBUG_ERROR, "[%a] Failed to register PP callback as SW MM handler - %r!\n", __FUNCTION__, Status));\r
goto Cleanup;\r
}\r
+\r
mPpSoftwareSmi = SwContext.SwSmiInputValue;\r
\r
- SwContext.SwSmiInputValue = (UINTN) -1;\r
- Status = SwDispatch->Register (SwDispatch, MemoryClearCallback, &SwContext, &McSwHandle);\r
+ SwContext.SwSmiInputValue = (UINTN)-1;\r
+ Status = SwDispatch->Register (SwDispatch, MemoryClearCallback, &SwContext, &McSwHandle);\r
ASSERT_EFI_ERROR (Status);\r
if (EFI_ERROR (Status)) {\r
DEBUG ((DEBUG_ERROR, "[%a] Failed to register MC callback as SW MM handler - %r!\n", __FUNCTION__, Status));\r
goto Cleanup;\r
}\r
+\r
mMcSoftwareSmi = SwContext.SwSmiInputValue;\r
\r
//\r
// Locate SmmVariableProtocol.\r
//\r
- Status = gMmst->MmLocateProtocol (&gEfiSmmVariableProtocolGuid, NULL, (VOID**)&mSmmVariable);\r
+ Status = gMmst->MmLocateProtocol (&gEfiSmmVariableProtocolGuid, NULL, (VOID **)&mSmmVariable);\r
ASSERT_EFI_ERROR (Status);\r
if (EFI_ERROR (Status)) {\r
// Should not happen\r
if (NotifyHandle != NULL) {\r
gMmst->MmRegisterProtocolNotify (&gEfiMmReadyToLockProtocolGuid, NULL, &NotifyHandle);\r
}\r
- if (McSwHandle != NULL && SwDispatch != NULL) {\r
+\r
+ if ((McSwHandle != NULL) && (SwDispatch != NULL)) {\r
SwDispatch->UnRegister (SwDispatch, McSwHandle);\r
}\r
- if (PpSwHandle != NULL && SwDispatch != NULL) {\r
+\r
+ if ((PpSwHandle != NULL) && (SwDispatch != NULL)) {\r
SwDispatch->UnRegister (SwDispatch, PpSwHandle);\r
}\r
+\r
if (mReadyToLockHandle != NULL) {\r
gMmst->MmiHandlerUnRegister (mReadyToLockHandle);\r
}\r
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