| 1 | /** @file
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| 2 | Declare the InternalTpm12Detect() function, hiding the TPM-1.2 detection
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| 3 | internals.
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| 4 |
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| 5 | Copyright (C) 2020, Red Hat, Inc.
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| 6 |
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| 7 | SPDX-License-Identifier: BSD-2-Clause-Patent
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| 8 | **/
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| 9 |
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| 10 | #ifndef TPM12_SUPPORT_H_
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| 11 | #define TPM12_SUPPORT_H_
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| 12 |
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| 13 | #include <Uefi/UefiBaseType.h>
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| 14 |
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| 15 | /**
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| 16 | Detect the presence of a TPM with interface version 1.2.
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| 17 |
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| 18 | @retval EFI_UNSUPPORTED The platform that includes this particular
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| 19 | implementation of the function does not support
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| 20 | TPM-1.2.
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| 21 |
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| 22 | @retval EFI_SUCCESS TPM-1.2 available. The Tpm12RequestUseTpm() and
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| 23 | Tpm12SubmitCommand(TPM_ORD_GetTicks) operations
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| 24 | (from the Tpm12DeviceLib class) have succeeded.
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| 25 |
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| 26 | @return Error codes propagated from Tpm12RequestUseTpm() and
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| 27 | Tpm12SubmitCommand().
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| 28 | **/
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| 29 | EFI_STATUS
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| 30 | InternalTpm12Detect (
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| 31 | VOID
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| 32 | );
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| 33 |
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| 34 | #endif // TPM12_SUPPORT_H_
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