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