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/** @file
Declare the InternalTpm12Detect() function, hiding the TPM-1.2 detection
internals.
Copyright (C) 2020, Red Hat, Inc.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef TPM12_SUPPORT_H_
#define TPM12_SUPPORT_H_
#include <Uefi/UefiBaseType.h>
/**
Detect the presence of a TPM with interface version 1.2.
@retval EFI_UNSUPPORTED The platform that includes this particular
implementation of the function does not support
TPM-1.2.
@retval EFI_SUCCESS TPM-1.2 available. The Tpm12RequestUseTpm() and
Tpm12SubmitCommand(TPM_ORD_GetTicks) operations
(from the Tpm12DeviceLib class) have succeeded.
@return Error codes propagated from Tpm12RequestUseTpm() and
Tpm12SubmitCommand().
**/
EFI_STATUS
InternalTpm12Detect (
VOID
);
#endif // TPM12_SUPPORT_H_