Tpm12Support.h File Reference

#include <Uefi/UefiBaseType.h>

Go to the source code of this file.

Functions
EFI_STATUS	InternalTpm12Detect (VOID)

Detailed Description

Declare the InternalTpm12Detect() function, hiding the TPM-1.2 detection internals.

Copyright (C) 2020, Red Hat, Inc.

SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file Tpm12Support.h.

Function Documentation

InternalTpm12Detect()

EFI_STATUS InternalTpm12Detect

(

VOID

)

Detect the presence of a TPM with interface version 1.2.

Return values

EFI_UNSUPPORTED	The platform that includes this particular implementation of the function does not support TPM-1.2.
EFI_SUCCESS	TPM-1.2 available. The Tpm12RequestUseTpm() and Tpm12SubmitCommand(TPM_ORD_GetTicks) operations (from the Tpm12DeviceLib class) have succeeded.

Returns

Error codes propagated from Tpm12RequestUseTpm() and Tpm12SubmitCommand().

Detect the presence of a TPM with interface version 1.2.

Return values

EFI_SUCCESS

TPM-1.2 available. The Tpm12RequestUseTpm() and Tpm12SubmitCommand(TPM_ORD_GetTicks) operations (from the Tpm12DeviceLib class) have succeeded.

Returns

Error codes propagated from Tpm12RequestUseTpm() and Tpm12SubmitCommand().

Detect the presence of a TPM with interface version 1.2.

Return values

EFI_UNSUPPORTED

The platform that includes this particular implementation of the function does not support TPM-1.2.

Definition at line 71 of file Tpm12Support.c.