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