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- /** @file
- This library is intended to be used by BDS modules.
- This library will lock TPM after executing TPM request.
- Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
- **/
- #ifndef _TCG_PHYSICAL_PRESENCE_LIB_H_
- #define _TCG_PHYSICAL_PRESENCE_LIB_H_
- /**
- Check and execute the pending TPM request and Lock TPM.
- The TPM request may come from OS or BIOS. This API will display request information and wait
- for user confirmation if TPM request exists. The TPM request will be sent to TPM device after
- the TPM request is confirmed, and one or more reset may be required to make TPM request to
- take effect. At last, it will lock TPM to prevent TPM state change by malware.
- This API should be invoked after console in and console out are all ready as they are required
- to display request information and get user input to confirm the request. This API should also
- be invoked as early as possible as TPM is locked in this function.
- **/
- VOID
- EFIAPI
- TcgPhysicalPresenceLibProcessRequest (
- VOID
- );
- /**
- Check if the pending TPM request needs user input to confirm.
- The TPM request may come from OS. This API will check if TPM request exists and need user
- input to confirmation.
- @retval TRUE TPM needs input to confirm user physical presence.
- @retval FALSE TPM doesn't need input to confirm user physical presence.
- **/
- BOOLEAN
- EFIAPI
- TcgPhysicalPresenceLibNeedUserConfirm(
- VOID
- );
- #endif
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