[mirror_edk2.git] / OvmfPkg / Tcg / Tcg2Config / Tpm12Support.h

/** @file\r
  Declare the InternalTpm12Detect() function, hiding the TPM-1.2 detection\r
  internals.\r
\r
  Copyright (C) 2020, Red Hat, Inc.\r
\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
**/\r
\r
#ifndef TPM12_SUPPORT_H_\r
#define TPM12_SUPPORT_H_\r
\r
#include <Uefi/UefiBaseType.h>\r
\r
/**\r
  Detect the presence of a TPM with interface version 1.2.\r
\r
  @retval EFI_SUCCESS      TPM-1.2 available. The Tpm12RequestUseTpm() and\r
                           Tpm12SubmitCommand(TPM_ORD_GetTicks) operations\r
                           (from the Tpm12DeviceLib class) have succeeded.\r
\r
  @return                  Error codes propagated from Tpm12RequestUseTpm() and\r
                           Tpm12SubmitCommand().\r
**/\r
EFI_STATUS\r
InternalTpm12Detect (\r
  VOID\r
  );\r
\r
#endif // TPM12_SUPPORT_H_\r
Commit	Line	Data
fc72a6ce LE	1	/** @file\r
	2	Declare the InternalTpm12Detect() function, hiding the TPM-1.2 detection\r
	3	internals.\r
	4	\r
	5	Copyright (C) 2020, Red Hat, Inc.\r
	6	\r
	7	SPDX-License-Identifier: BSD-2-Clause-Patent\r
	8	**/\r
	9	\r
	10	#ifndef TPM12_SUPPORT_H_\r
	11	#define TPM12_SUPPORT_H_\r
	12	\r
	13	#include <Uefi/UefiBaseType.h>\r
	14	\r
	15	/**\r
	16	Detect the presence of a TPM with interface version 1.2.\r
	17	\r
	18	@retval EFI_SUCCESS TPM-1.2 available. The Tpm12RequestUseTpm() and\r
	19	Tpm12SubmitCommand(TPM_ORD_GetTicks) operations\r
	20	(from the Tpm12DeviceLib class) have succeeded.\r
	21	\r
	22	@return Error codes propagated from Tpm12RequestUseTpm() and\r
	23	Tpm12SubmitCommand().\r
	24	**/\r
	25	EFI_STATUS\r
	26	InternalTpm12Detect (\r
	27	VOID\r
	28	);\r
	29	\r
	30	#endif // TPM12_SUPPORT_H_\r