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- /** @file
- This library is to support TCG PC Client Platform Physical Presence Interface Specification
- Family "2.0" part, >= 128 Vendor Specific PPI Operation.
- The Vendor Specific PPI operation may change TPM state, BIOS TPM management
- flags, and may need additional boot cycle.
- Caution: This function may receive untrusted input.
- Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
- **/
- #ifndef _TCG2_PP_VENDOR_LIB_H_
- #define _TCG2_PP_VENDOR_LIB_H_
- #include <IndustryStandard/Tpm20.h>
- #include <Protocol/Tcg2Protocol.h>
- #include <Library/Tcg2PhysicalPresenceLib.h>
- /**
- Check and execute the requested physical presence command.
- This API should be invoked in BIOS boot phase to process pending request.
- Caution: This function may receive untrusted input.
- If OperationRequest < 128, then ASSERT().
- @param[in] PlatformAuth platform auth value. NULL means no platform auth change.
- @param[in] OperationRequest TPM physical presence operation request.
- @param[in, out] ManagementFlags BIOS TPM Management Flags.
- @param[out] ResetRequired If reset is required to vendor settings in effect.
- True, it indicates the reset is required.
- False, it indicates the reset is not required.
- @return TPM Operation Response to OS Environment.
- **/
- UINT32
- EFIAPI
- Tcg2PpVendorLibExecutePendingRequest (
- IN TPM2B_AUTH *PlatformAuth, OPTIONAL
- IN UINT32 OperationRequest,
- IN OUT UINT32 *ManagementFlags,
- OUT BOOLEAN *ResetRequired
- );
- /**
- Check if there is a valid physical presence command request.
- This API should be invoked in BIOS boot phase to process pending request.
- Caution: This function may receive untrusted input.
- If OperationRequest < 128, then ASSERT().
- @param[in] OperationRequest TPM physical presence operation request.
- @param[in] ManagementFlags BIOS TPM Management Flags.
- @param[out] RequestConfirmed If the physical presence operation command required user confirm from UI.
- True, it indicates the command doesn't require user confirm.
- False, it indicates the command need user confirm from UI.
- @retval TRUE Physical Presence operation command is valid.
- @retval FALSE Physical Presence operation command is invalid.
- **/
- BOOLEAN
- EFIAPI
- Tcg2PpVendorLibHasValidRequest (
- IN UINT32 OperationRequest,
- IN UINT32 ManagementFlags,
- OUT BOOLEAN *RequestConfirmed
- );
- /**
- The callback for TPM vendor specific physical presence which is called for
- Submit TPM Operation Request to Pre-OS Environment and
- Submit TPM Operation Request to Pre-OS Environment 2.
- This API should be invoked in OS runtime phase to interface with ACPI method.
- Caution: This function may receive untrusted input.
- If OperationRequest < 128, then ASSERT().
- @param[in] OperationRequest TPM physical presence operation request.
- @param[in] ManagementFlags BIOS TPM Management Flags.
- @param[in] RequestParameter Extra parameter from the passed package.
- @return Return Code for Submit TPM Operation Request to Pre-OS Environment and
- Submit TPM Operation Request to Pre-OS Environment 2.
- **/
- UINT32
- EFIAPI
- Tcg2PpVendorLibSubmitRequestToPreOSFunction (
- IN UINT32 OperationRequest,
- IN UINT32 ManagementFlags,
- IN UINT32 RequestParameter
- );
- /**
- The callback for TPM vendor specific physical presence which is called for
- Get User Confirmation Status for Operation.
- This API should be invoked in OS runtime phase to interface with ACPI method.
- Caution: This function may receive untrusted input.
- If OperationRequest < 128, then ASSERT().
- @param[in] OperationRequest TPM physical presence operation request.
- @param[in] ManagementFlags BIOS TPM Management Flags.
- @return Return Code for Get User Confirmation Status for Operation.
- **/
- UINT32
- EFIAPI
- Tcg2PpVendorLibGetUserConfirmationStatusFunction (
- IN UINT32 OperationRequest,
- IN UINT32 ManagementFlags
- );
- #endif
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