#include <PiPei.h>
#include <Ppi/LockPhysicalPresence.h>
#include <Ppi/ReadOnlyVariable2.h>
#include <Guid/PhysicalPresenceData.h>
#include <Library/PcdLib.h>
#include <Library/PeiServicesLib.h>

Functions
BOOLEAN EFIAPI	LockTpmPhysicalPresence (IN CONST EFI_PEI_SERVICES **PeiServices)

EFI_STATUS EFIAPI	PeimEntry (IN EFI_PEI_FILE_HANDLE FileHandle, IN CONST EFI_PEI_SERVICES **PeiServices)

Variables
PEI_LOCK_PHYSICAL_PRESENCE_PPI	mLockPhysicalPresencePpi

EFI_PEI_PPI_DESCRIPTOR	mLockPhysicalPresencePpiList

Detailed Description

This driver produces PEI_LOCK_PHYSICAL_PRESENCE_PPI to indicate whether TPM need be locked or not. It can be replaced by a platform specific driver.

Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file PhysicalPresencePei.c.

Function Documentation

◆ LockTpmPhysicalPresence()

BOOLEAN EFIAPI LockTpmPhysicalPresence ( IN CONST EFI_PEI_SERVICES ** PeiServices )

This interface returns whether TPM physical presence needs be locked or not.

Parameters

[in] PeiServices The pointer to the PEI Services Table.

Return values

TRUE	The TPM physical presence should be locked.
FALSE	The TPM physical presence cannot be locked.

Definition at line 57 of file PhysicalPresencePei.c.

◆ PeimEntry()

EFI_STATUS EFIAPI PeimEntry	(	IN EFI_PEI_FILE_HANDLE	FileHandle,
		IN CONST EFI_PEI_SERVICES **	PeiServices
	)

Entry point of this module.

It installs lock physical presence PPI.

Parameters

[in]	FileHandle	Handle of the file being invoked.
[in]	PeiServices	Describes the list of possible PEI Services.

Returns: Status of install lock physical presence PPI.

Definition at line 122 of file PhysicalPresencePei.c.

Variable Documentation

◆ mLockPhysicalPresencePpi

PEI_LOCK_PHYSICAL_PRESENCE_PPI mLockPhysicalPresencePpi

Initial value:

= {
  LockTpmPhysicalPresence
}

Definition at line 36 of file PhysicalPresencePei.c.

◆ mLockPhysicalPresencePpiList

EFI_PEI_PPI_DESCRIPTOR mLockPhysicalPresencePpiList