/**
This function processes the results of changes in configuration.
@param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
@param[in] Action Specifies the type of action taken by the browser.
@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.
@param[out] ActionRequest On return, points to the action requested by the
callback function.
@retval EFI_SUCCESS The callback successfully handled the action.
@retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the
variable and its data.
@retval EFI_DEVICE_ERROR The variable could not be saved.
@retval EFI_UNSUPPORTED The specified Action is not supported by the
callback.
**/
EFI_STATUS
EFIAPI
Tcg2Callback (
IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
IN EFI_BROWSER_ACTION Action,
IN EFI_QUESTION_ID QuestionId,
IN UINT8 Type,
IN EFI_IFR_TYPE_VALUE *Value,
OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest
)
{
if ((This == NULL) || (Value == NULL) || (ActionRequest == NULL)) {
return EFI_INVALID_PARAMETER;
}
if (Action == EFI_BROWSER_ACTION_CHANGED) {
if (QuestionId == KEY_TPM_DEVICE) {
return EFI_SUCCESS;
}
if (QuestionId == KEY_TPM2_OPERATION) {
return SaveTcg2PpRequest (Value->u8);
}
if (QuestionId == KEY_TPM2_OPERATION_PARAMETER) {
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 EFI_UNSUPPORTED;
}
/**
This function processes the results of changes in configuration.
@param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
@param[in] Action Specifies the type of action taken by the browser.
@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.
@param[out] ActionRequest On return, points to the action requested by the
callback function.
@retval EFI_SUCCESS The callback successfully handled the action.
@retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the
variable and its data.
@retval EFI_DEVICE_ERROR The variable could not be saved.
@retval EFI_UNSUPPORTED The specified Action is not supported by the
callback.
**/
EFI_STATUS
EFIAPI
Tcg2Callback (
IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
IN EFI_BROWSER_ACTION Action,
IN EFI_QUESTION_ID QuestionId,
IN UINT8 Type,
IN EFI_IFR_TYPE_VALUE *Value,
OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest
)
{
EFI_INPUT_KEY Key;
if ((This == NULL) || (Value == NULL) || (ActionRequest == NULL)) {
return EFI_INVALID_PARAMETER;
}
if (Action == EFI_BROWSER_ACTION_CHANGING) {
if (QuestionId == KEY_TPM_DEVICE_INTERFACE) {
EFI_STATUS Status;
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) {
return EFI_SUCCESS;
}
if (QuestionId == KEY_TPM2_OPERATION) {
return SaveTcg2PpRequest (Value->u8);
}
if (QuestionId == KEY_TPM2_OPERATION_PARAMETER) {
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 EFI_UNSUPPORTED;
}