Tcg2PlatformDxe.c File Reference

#include <PiDxe.h>
#include <Library/DebugLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Library/TpmPlatformHierarchyLib.h>
#include <Protocol/DxeSmmReadyToLock.h>

Go to the source code of this file.

Functions
VOID EFIAPI	SmmReadyToLockEventCallBack (IN EFI_EVENT Event, IN VOID *Context)
EFI_STATUS EFIAPI	Tcg2PlatformDxeEntryPoint (IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)

Detailed Description

Platform specific TPM2 component for configuring the Platform Hierarchy.

Copyright (c) 2017 - 2019, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file Tcg2PlatformDxe.c.

Function Documentation

SmmReadyToLockEventCallBack()

VOID EFIAPI SmmReadyToLockEventCallBack	(	IN EFI_EVENT	Event,
		IN VOID *	Context
	)

This callback function will run at the SmmReadyToLock event.

Configuration of the TPM's Platform Hierarchy Authorization Value (platformAuth) and Platform Hierarchy Authorization Policy (platformPolicy) can be defined through this function.

Parameters

Event	Pointer to this event
Context	Event hanlder private data

Definition at line 28 of file Tcg2PlatformDxe.c.

Tcg2PlatformDxeEntryPoint()

EFI_STATUS EFIAPI Tcg2PlatformDxeEntryPoint	(	IN EFI_HANDLE	ImageHandle,
		IN EFI_SYSTEM_TABLE *	SystemTable
	)

The driver's entry point. Will register a function for callback during SmmReadyToLock event to configure the TPM's platform authorization.

Parameters

[in]	ImageHandle	The firmware allocated handle for the EFI image.
[in]	SystemTable	A pointer to the EFI System Table.

Return values

EFI_SUCCESS	The entry point is executed successfully.
other	Some error occurs when executing this entry point.

Definition at line 66 of file Tcg2PlatformDxe.c.