X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=SecurityPkg%2FTcg%2FTcg2Config%2FTcg2ConfigImpl.c;h=b3a849e91812e566b9be0d9a4cfb44921ae836b6;hp=245376966ea36d2b17c4def5443f1fb5b684ecd0;hb=363dc42226a1d8ae02c73f9dd81da65af91b5fdd;hpb=d2e8af97149c6f4e0247178a1a58e428e4aba37a
diff --git a/SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c b/SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c
index 245376966e..b3a849e918 100644
--- a/SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c
+++ b/SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c
@@ -2,7 +2,7 @@
HII Config Access protocol implementation of TCG2 configuration module.
NOTE: This module is only for reference only, each platform should have its own setup page.
-Copyright (c) 2015, Intel Corporation. All rights reserved.
+Copyright (c) 2015 - 2017, Intel Corporation. All rights reserved.
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
@@ -16,8 +16,11 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include "Tcg2ConfigImpl.h"
#include
#include
+#include
#include
+#include
+
#define EFI_TCG2_EVENT_LOG_FORMAT_ALL (EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2 | EFI_TCG2_EVENT_LOG_FORMAT_TCG_2)
TPM_INSTANCE_ID mTpmInstanceId[TPM_DEVICE_MAX + 1] = TPM_INSTANCE_ID_LIST;
@@ -56,6 +59,147 @@ HII_VENDOR_DEVICE_PATH mTcg2HiiVendorDevicePath = {
UINT8 mCurrentPpRequest;
+/**
+ Return PTP interface type.
+
+ @param[in] Register Pointer to PTP register.
+
+ @return PTP interface type.
+**/
+UINT8
+GetPtpInterface (
+ IN VOID *Register
+ )
+{
+ PTP_CRB_INTERFACE_IDENTIFIER InterfaceId;
+ PTP_FIFO_INTERFACE_CAPABILITY InterfaceCapability;
+
+ //
+ // Check interface id
+ //
+ InterfaceId.Uint32 = MmioRead32 ((UINTN)&((PTP_CRB_REGISTERS *)Register)->InterfaceId);
+ InterfaceCapability.Uint32 = MmioRead32 ((UINTN)&((PTP_FIFO_REGISTERS *)Register)->InterfaceCapability);
+
+ if ((InterfaceId.Bits.InterfaceType == PTP_INTERFACE_IDENTIFIER_INTERFACE_TYPE_CRB) &&
+ (InterfaceId.Bits.InterfaceVersion == PTP_INTERFACE_IDENTIFIER_INTERFACE_VERSION_CRB) &&
+ (InterfaceId.Bits.CapCRB != 0)) {
+ return TPM_DEVICE_INTERFACE_PTP_CRB;
+ }
+ if ((InterfaceId.Bits.InterfaceType == PTP_INTERFACE_IDENTIFIER_INTERFACE_TYPE_FIFO) &&
+ (InterfaceId.Bits.InterfaceVersion == PTP_INTERFACE_IDENTIFIER_INTERFACE_VERSION_FIFO) &&
+ (InterfaceId.Bits.CapFIFO != 0) &&
+ (InterfaceCapability.Bits.InterfaceVersion == INTERFACE_CAPABILITY_INTERFACE_VERSION_PTP)) {
+ return TPM_DEVICE_INTERFACE_PTP_FIFO;
+ }
+ return TPM_DEVICE_INTERFACE_TIS;
+}
+
+/**
+ Return if PTP CRB is supported.
+
+ @param[in] Register Pointer to PTP register.
+
+ @retval TRUE PTP CRB is supported.
+ @retval FALSE PTP CRB is unsupported.
+**/
+BOOLEAN
+IsPtpCrbSupported (
+ IN VOID *Register
+ )
+{
+ PTP_CRB_INTERFACE_IDENTIFIER InterfaceId;
+
+ //
+ // Check interface id
+ //
+ InterfaceId.Uint32 = MmioRead32 ((UINTN)&((PTP_CRB_REGISTERS *)Register)->InterfaceId);
+
+ if (((InterfaceId.Bits.InterfaceType == PTP_INTERFACE_IDENTIFIER_INTERFACE_TYPE_CRB) ||
+ (InterfaceId.Bits.InterfaceType == PTP_INTERFACE_IDENTIFIER_INTERFACE_TYPE_FIFO)) &&
+ (InterfaceId.Bits.CapCRB != 0)) {
+ return TRUE;
+ }
+ return FALSE;
+}
+
+/**
+ Return if PTP FIFO is supported.
+
+ @param[in] Register Pointer to PTP register.
+
+ @retval TRUE PTP FIFO is supported.
+ @retval FALSE PTP FIFO is unsupported.
+**/
+BOOLEAN
+IsPtpFifoSupported (
+ IN VOID *Register
+ )
+{
+ PTP_CRB_INTERFACE_IDENTIFIER InterfaceId;
+
+ //
+ // Check interface id
+ //
+ InterfaceId.Uint32 = MmioRead32 ((UINTN)&((PTP_CRB_REGISTERS *)Register)->InterfaceId);
+
+ if (((InterfaceId.Bits.InterfaceType == PTP_INTERFACE_IDENTIFIER_INTERFACE_TYPE_CRB) ||
+ (InterfaceId.Bits.InterfaceType == PTP_INTERFACE_IDENTIFIER_INTERFACE_TYPE_FIFO)) &&
+ (InterfaceId.Bits.CapFIFO != 0)) {
+ return TRUE;
+ }
+ return FALSE;
+}
+
+/**
+ Set PTP interface type.
+
+ @param[in] Register Pointer to PTP register.
+ @param[in] PtpInterface PTP interface type.
+
+ @retval EFI_SUCCESS PTP interface type is set.
+ @retval EFI_INVALID_PARAMETER PTP interface type is invalid.
+ @retval EFI_UNSUPPORTED PTP interface type is unsupported.
+ @retval EFI_WRITE_PROTECTED PTP interface is locked.
+**/
+EFI_STATUS
+SetPtpInterface (
+ IN VOID *Register,
+ IN UINT8 PtpInterface
+ )
+{
+ UINT8 PtpInterfaceCurrent;
+ PTP_CRB_INTERFACE_IDENTIFIER InterfaceId;
+
+ PtpInterfaceCurrent = GetPtpInterface (Register);
+ if ((PtpInterfaceCurrent != TPM_DEVICE_INTERFACE_PTP_FIFO) &&
+ (PtpInterfaceCurrent != TPM_DEVICE_INTERFACE_PTP_CRB)) {
+ return EFI_UNSUPPORTED;
+ }
+ InterfaceId.Uint32 = MmioRead32 ((UINTN)&((PTP_CRB_REGISTERS *)Register)->InterfaceId);
+ if (InterfaceId.Bits.IntfSelLock != 0) {
+ return EFI_WRITE_PROTECTED;
+ }
+
+ switch (PtpInterface) {
+ case TPM_DEVICE_INTERFACE_PTP_FIFO:
+ if (InterfaceId.Bits.CapFIFO == 0) {
+ return EFI_UNSUPPORTED;
+ }
+ InterfaceId.Bits.InterfaceSelector = PTP_INTERFACE_IDENTIFIER_INTERFACE_SELECTOR_FIFO;
+ MmioWrite32 ((UINTN)&((PTP_CRB_REGISTERS *)Register)->InterfaceId, InterfaceId.Uint32);
+ return EFI_SUCCESS;
+ case TPM_DEVICE_INTERFACE_PTP_CRB:
+ if (InterfaceId.Bits.CapCRB == 0) {
+ return EFI_UNSUPPORTED;
+ }
+ InterfaceId.Bits.InterfaceSelector = PTP_INTERFACE_IDENTIFIER_INTERFACE_SELECTOR_CRB;
+ MmioWrite32 ((UINTN)&((PTP_CRB_REGISTERS *)Register)->InterfaceId, InterfaceId.Uint32);
+ return EFI_SUCCESS;
+ default:
+ return EFI_INVALID_PARAMETER;
+ }
+}
+
/**
This function allows a caller to extract the current configuration for one
or more named elements from the target driver.
@@ -234,6 +378,158 @@ Tcg2RouteConfig (
return EFI_NOT_FOUND;
}
+/**
+ Get HID string of TPM2 ACPI device object
+
+ @param[in] Hid Points to HID String Buffer.
+ @param[in] Size HID String size in bytes. Must >= TPM_HID_ACPI_SIZE
+
+ @return HID String get status.
+
+**/
+EFI_STATUS
+GetTpm2HID(
+ CHAR8 *Hid,
+ UINTN Size
+ )
+{
+ EFI_STATUS Status;
+ UINT32 ManufacturerID;
+ UINT32 FirmwareVersion1;
+ UINT32 FirmwareVersion2;
+ BOOLEAN PnpHID;
+
+ PnpHID = TRUE;
+
+ ZeroMem(Hid, Size);
+
+ //
+ // Get Manufacturer ID
+ //
+ Status = Tpm2GetCapabilityManufactureID(&ManufacturerID);
+ if (!EFI_ERROR(Status)) {
+ DEBUG((DEBUG_INFO, "TPM_PT_MANUFACTURER 0x%08x\n", ManufacturerID));
+ //
+ // ManufacturerID defined in TCG Vendor ID Registry
+ // may tailed with 0x00 or 0x20
+ //
+ if ((ManufacturerID >> 24) == 0x00 || ((ManufacturerID >> 24) == 0x20)) {
+ //
+ // HID containing PNP ID "NNN####"
+ // NNN is uppercase letter for Vendor ID specified by manufacturer
+ //
+ CopyMem(Hid, &ManufacturerID, 3);
+ } else {
+ //
+ // HID containing ACP ID "NNNN####"
+ // NNNN is uppercase letter for Vendor ID specified by manufacturer
+ //
+ CopyMem(Hid, &ManufacturerID, 4);
+ PnpHID = FALSE;
+ }
+ } else {
+ DEBUG ((DEBUG_ERROR, "Get TPM_PT_MANUFACTURER failed %x!\n", Status));
+ ASSERT(FALSE);
+ return Status;
+ }
+
+ Status = Tpm2GetCapabilityFirmwareVersion(&FirmwareVersion1, &FirmwareVersion2);
+ if (!EFI_ERROR(Status)) {
+ DEBUG((DEBUG_INFO, "TPM_PT_FIRMWARE_VERSION_1 0x%x\n", FirmwareVersion1));
+ DEBUG((DEBUG_INFO, "TPM_PT_FIRMWARE_VERSION_2 0x%x\n", FirmwareVersion2));
+ //
+ // #### is Firmware Version 1
+ //
+ if (PnpHID) {
+ AsciiSPrint(Hid + 3, TPM_HID_PNP_SIZE - 3, "%02d%02d", ((FirmwareVersion1 & 0xFFFF0000) >> 16), (FirmwareVersion1 & 0x0000FFFF));
+ } else {
+ AsciiSPrint(Hid + 4, TPM_HID_ACPI_SIZE - 4, "%02d%02d", ((FirmwareVersion1 & 0xFFFF0000) >> 16), (FirmwareVersion1 & 0x0000FFFF));
+ }
+
+ } else {
+ DEBUG ((DEBUG_ERROR, "Get TPM_PT_FIRMWARE_VERSION_X failed %x!\n", Status));
+ ASSERT(FALSE);
+ return Status;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ This function processes the results of changes in configuration
+ for TCG2 version information.
+
+ @param[in] Action Specifies the type of action taken by the browser.
+ ASSERT if the Action is not EFI_BROWSER_ACTION_SUBMITTED.
+ @param[in] QuestionId A unique value which is sent to the original
+ exporting driver so that it can identify the type
+ of data to expect.
+ @param[in] Type The type of value for the question.
+ @param[in] Value A pointer to the data being sent to the original
+ exporting driver.
+
+ @retval EFI_SUCCESS The callback successfully handled the action.
+
+**/
+EFI_STATUS
+Tcg2VersionInfoCallback (
+ IN EFI_BROWSER_ACTION Action,
+ IN EFI_QUESTION_ID QuestionId,
+ IN UINT8 Type,
+ IN EFI_IFR_TYPE_VALUE *Value
+ )
+{
+ EFI_INPUT_KEY Key;
+ UINT64 PcdTcg2PpiVersion;
+ UINT8 PcdTpm2AcpiTableRev;
+
+ ASSERT (Action == EFI_BROWSER_ACTION_SUBMITTED);
+
+ if (QuestionId == KEY_TCG2_PPI_VERSION) {
+ //
+ // Get the PCD value after EFI_BROWSER_ACTION_SUBMITTED,
+ // the SetVariable to TCG2_VERSION_NAME should have been done.
+ // If the PCD value is not equal to the value set to variable,
+ // the PCD is not DynamicHii type and does not map to the setup option.
+ //
+ PcdTcg2PpiVersion = 0;
+ CopyMem (
+ &PcdTcg2PpiVersion,
+ PcdGetPtr (PcdTcgPhysicalPresenceInterfaceVer),
+ AsciiStrSize ((CHAR8 *) PcdGetPtr (PcdTcgPhysicalPresenceInterfaceVer))
+ );
+ if (PcdTcg2PpiVersion != Value->u64) {
+ CreatePopUp (
+ EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
+ &Key,
+ L"WARNING: PcdTcgPhysicalPresenceInterfaceVer is not DynamicHii type and does not map to this option!",
+ L"The version configuring by this setup option will not work!",
+ NULL
+ );
+ }
+ } else if (QuestionId == KEY_TPM2_ACPI_REVISION){
+ //
+ // Get the PCD value after EFI_BROWSER_ACTION_SUBMITTED,
+ // the SetVariable to TCG2_VERSION_NAME should have been done.
+ // If the PCD value is not equal to the value set to variable,
+ // the PCD is not DynamicHii type and does not map to the setup option.
+ //
+ PcdTpm2AcpiTableRev = PcdGet8 (PcdTpm2AcpiTableRev);
+
+ if (PcdTpm2AcpiTableRev != Value->u8) {
+ CreatePopUp (
+ EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
+ &Key,
+ L"WARNING: PcdTpm2AcpiTableRev is not DynamicHii type and does not map to this option!",
+ L"The Revision configuring by this setup option will not work!",
+ NULL
+ );
+ }
+ }
+
+ return EFI_SUCCESS;
+}
+
/**
This function processes the results of changes in configuration.
@@ -267,9 +563,52 @@ Tcg2Callback (
OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest
)
{
+ EFI_STATUS Status;
+ EFI_INPUT_KEY Key;
+ CHAR8 HidStr[16];
+ CHAR16 UnHidStr[16];
+ TCG2_CONFIG_PRIVATE_DATA *Private;
+
if ((This == NULL) || (Value == NULL) || (ActionRequest == NULL)) {
return EFI_INVALID_PARAMETER;
}
+
+ Private = TCG2_CONFIG_PRIVATE_DATA_FROM_THIS (This);
+
+ if (Action == EFI_BROWSER_ACTION_FORM_OPEN) {
+ //
+ // Update TPM2 HID info
+ //
+ if (QuestionId == KEY_TPM_DEVICE) {
+ Status = GetTpm2HID(HidStr, 16);
+
+ if (EFI_ERROR(Status)) {
+ //
+ // Fail to get TPM2 HID
+ //
+ HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_TPM2_ACPI_HID_CONTENT), L"Unknown", NULL);
+ } else {
+ AsciiStrToUnicodeStrS(HidStr, UnHidStr, 16);
+ HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_TPM2_ACPI_HID_CONTENT), UnHidStr, NULL);
+ }
+ }
+ return EFI_SUCCESS;
+ }
+
+ if (Action == EFI_BROWSER_ACTION_CHANGING) {
+ if (QuestionId == KEY_TPM_DEVICE_INTERFACE) {
+ Status = SetPtpInterface ((VOID *) (UINTN) PcdGet64 (PcdTpmBaseAddress), Value->u8);
+ if (EFI_ERROR (Status)) {
+ CreatePopUp (
+ EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
+ &Key,
+ L"Error: Fail to set PTP interface!",
+ NULL
+ );
+ return EFI_DEVICE_ERROR;
+ }
+ }
+ }
if (Action == EFI_BROWSER_ACTION_CHANGED) {
if (QuestionId == KEY_TPM_DEVICE) {
@@ -282,7 +621,13 @@ Tcg2Callback (
return SaveTcg2PpRequestParameter (Value->u32);
}
if ((QuestionId >= KEY_TPM2_PCR_BANKS_REQUEST_0) && (QuestionId <= KEY_TPM2_PCR_BANKS_REQUEST_4)) {
- SaveTcg2PCRBanksRequest (QuestionId - KEY_TPM2_PCR_BANKS_REQUEST_0, Value->b);
+ return SaveTcg2PCRBanksRequest (QuestionId - KEY_TPM2_PCR_BANKS_REQUEST_0, Value->b);
+ }
+ }
+
+ if (Action == EFI_BROWSER_ACTION_SUBMITTED) {
+ if (QuestionId == KEY_TCG2_PPI_VERSION || QuestionId == KEY_TPM2_ACPI_REVISION) {
+ return Tcg2VersionInfoCallback (Action, QuestionId, Type, Value);
}
}
@@ -386,6 +731,38 @@ FillBufferWithBootHashAlg (
}
}
+/**
+ Set ConfigInfo according to TpmAlgHash.
+
+ @param[in,out] Tcg2ConfigInfo TCG2 config info.
+ @param[in] TpmAlgHash TpmAlgHash.
+
+**/
+VOID
+SetConfigInfo (
+ IN OUT TCG2_CONFIGURATION_INFO *Tcg2ConfigInfo,
+ IN UINT32 TpmAlgHash
+ )
+{
+ switch (TpmAlgHash) {
+ case TPM_ALG_SHA1:
+ Tcg2ConfigInfo->Sha1Supported = TRUE;
+ break;
+ case TPM_ALG_SHA256:
+ Tcg2ConfigInfo->Sha256Supported = TRUE;
+ break;
+ case TPM_ALG_SHA384:
+ Tcg2ConfigInfo->Sha384Supported = TRUE;
+ break;
+ case TPM_ALG_SHA512:
+ Tcg2ConfigInfo->Sha512Supported = TRUE;
+ break;
+ case TPM_ALG_SM3_256:
+ Tcg2ConfigInfo->Sm3Supported = TRUE;
+ break;
+ }
+}
+
/**
Fill Buffer With TCG2EventLogFormat.
@@ -422,33 +799,6 @@ FillBufferWithTCG2EventLogFormat (
}
}
-/**
- Check if buffer is all zero.
-
- @param[in] Buffer Buffer to be checked.
- @param[in] BufferSize Size of buffer to be checked.
-
- @retval TRUE Buffer is all zero.
- @retval FALSE Buffer is not all zero.
-**/
-BOOLEAN
-IsZeroBuffer (
- IN VOID *Buffer,
- IN UINTN BufferSize
- )
-{
- UINT8 *BufferData;
- UINTN Index;
-
- BufferData = Buffer;
- for (Index = 0; Index < BufferSize; Index++) {
- if (BufferData[Index] != 0) {
- return FALSE;
- }
- }
- return TRUE;
-}
-
/**
This function publish the TCG2 configuration Form for TPM device.
@@ -471,6 +821,8 @@ InstallTcg2ConfigForm (
UINTN Index;
TPML_PCR_SELECTION Pcrs;
CHAR16 TempBuffer[1024];
+ TCG2_CONFIGURATION_INFO Tcg2ConfigInfo;
+ UINT8 TpmDeviceInterfaceDetected;
DriverHandle = NULL;
ConfigAccess = &PrivateData->ConfigAccess;
@@ -524,13 +876,14 @@ InstallTcg2ConfigForm (
HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_DEVICE_STATE_CONTENT), L"TPM 1.2", NULL);
break;
case TPM_DEVICE_2_0_DTPM:
- HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_DEVICE_STATE_CONTENT), L"TPM 2.0 (DTPM)", NULL);
+ HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_DEVICE_STATE_CONTENT), L"TPM 2.0", NULL);
break;
default:
HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_DEVICE_STATE_CONTENT), L"Unknown", NULL);
break;
}
+ ZeroMem (&Tcg2ConfigInfo, sizeof(Tcg2ConfigInfo));
Status = Tpm2GetCapabilityPcrs (&Pcrs);
if (EFI_ERROR (Status)) {
HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TPM2_ACTIVE_HASH_ALGO_CONTENT), L"[Unknown]", NULL);
@@ -547,6 +900,7 @@ InstallTcg2ConfigForm (
TempBuffer[0] = 0;
for (Index = 0; Index < Pcrs.count; Index++) {
AppendBufferWithTpmAlgHash (TempBuffer, sizeof(TempBuffer), Pcrs.pcrSelections[Index].hash);
+ SetConfigInfo (&Tcg2ConfigInfo, Pcrs.pcrSelections[Index].hash);
}
HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TPM2_SUPPORTED_HASH_ALGO_CONTENT), TempBuffer, NULL);
}
@@ -569,6 +923,74 @@ InstallTcg2ConfigForm (
FillBufferWithBootHashAlg (TempBuffer, sizeof(TempBuffer), PrivateData->ProtocolCapability.ActivePcrBanks);
HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_ACTIVE_PCR_BANKS_CONTENT), TempBuffer, NULL);
+ //
+ // Update TPM device interface type
+ //
+ if (PrivateData->TpmDeviceDetected == TPM_DEVICE_2_0_DTPM) {
+ TpmDeviceInterfaceDetected = GetPtpInterface ((VOID *) (UINTN) PcdGet64 (PcdTpmBaseAddress));
+ switch (TpmDeviceInterfaceDetected) {
+ case TPM_DEVICE_INTERFACE_TIS:
+ HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_DEVICE_INTERFACE_STATE_CONTENT), L"TIS", NULL);
+ break;
+ case TPM_DEVICE_INTERFACE_PTP_FIFO:
+ HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_DEVICE_INTERFACE_STATE_CONTENT), L"PTP FIFO", NULL);
+ break;
+ case TPM_DEVICE_INTERFACE_PTP_CRB:
+ HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_DEVICE_INTERFACE_STATE_CONTENT), L"PTP CRB", NULL);
+ break;
+ default:
+ HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_DEVICE_INTERFACE_STATE_CONTENT), L"Unknown", NULL);
+ break;
+ }
+
+ Tcg2ConfigInfo.TpmDeviceInterfaceAttempt = TpmDeviceInterfaceDetected;
+ switch (TpmDeviceInterfaceDetected) {
+ case TPM_DEVICE_INTERFACE_TIS:
+ Tcg2ConfigInfo.TpmDeviceInterfacePtpFifoSupported = FALSE;
+ Tcg2ConfigInfo.TpmDeviceInterfacePtpCrbSupported = FALSE;
+ HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_DEVICE_INTERFACE_CAPABILITY_CONTENT), L"TIS", NULL);
+ break;
+ case TPM_DEVICE_INTERFACE_PTP_FIFO:
+ case TPM_DEVICE_INTERFACE_PTP_CRB:
+ Tcg2ConfigInfo.TpmDeviceInterfacePtpFifoSupported = IsPtpFifoSupported((VOID *) (UINTN) PcdGet64 (PcdTpmBaseAddress));
+ Tcg2ConfigInfo.TpmDeviceInterfacePtpCrbSupported = IsPtpCrbSupported((VOID *) (UINTN) PcdGet64 (PcdTpmBaseAddress));
+ TempBuffer[0] = 0;
+ if (Tcg2ConfigInfo.TpmDeviceInterfacePtpFifoSupported) {
+ if (TempBuffer[0] != 0) {
+ StrCatS (TempBuffer, sizeof(TempBuffer) / sizeof (CHAR16), L", ");
+ }
+ StrCatS (TempBuffer, sizeof(TempBuffer) / sizeof (CHAR16), L"PTP FIFO");
+ }
+ if (Tcg2ConfigInfo.TpmDeviceInterfacePtpCrbSupported) {
+ if (TempBuffer[0] != 0) {
+ StrCatS (TempBuffer, sizeof(TempBuffer) / sizeof (CHAR16), L", ");
+ }
+ StrCatS (TempBuffer, sizeof(TempBuffer) / sizeof (CHAR16), L"PTP CRB");
+ }
+ HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_DEVICE_INTERFACE_CAPABILITY_CONTENT), TempBuffer, NULL);
+ break;
+ default:
+ Tcg2ConfigInfo.TpmDeviceInterfacePtpFifoSupported = FALSE;
+ Tcg2ConfigInfo.TpmDeviceInterfacePtpCrbSupported = FALSE;
+ HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_DEVICE_INTERFACE_CAPABILITY_CONTENT), L"Unknown", NULL);
+ break;
+ }
+ }
+
+ //
+ // Set ConfigInfo, to control the check box.
+ //
+ Status = gRT->SetVariable (
+ TCG2_STORAGE_INFO_NAME,
+ &gTcg2ConfigFormSetGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS,
+ sizeof(Tcg2ConfigInfo),
+ &Tcg2ConfigInfo
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "Tcg2ConfigDriver: Fail to set TCG2_STORAGE_INFO_NAME\n"));
+ }
+
return EFI_SUCCESS;
}