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/** @file
The header file for Tcg2 SMM driver.
Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
Copyright (c) Microsoft Corporation.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __TCG2_SMM_H__
#define __TCG2_SMM_H__
#include <PiMm.h>
#include <Guid/MemoryOverwriteControl.h>
#include <Guid/TpmInstance.h>
#include <Guid/TpmNvsMm.h>
#include <Protocol/MmReadyToLock.h>
#include <Protocol/SmmSwDispatch2.h>
#include <Protocol/AcpiTable.h>
#include <Protocol/SmmVariable.h>
#include <Protocol/Tcg2Protocol.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/MmServicesTableLib.h>
#include <Library/Tpm2CommandLib.h>
#include <Library/Tcg2PhysicalPresenceLib.h>
#include <Library/IoLib.h>
#include <Library/PcdLib.h>
#include <Library/Tpm2DeviceLib.h>
#include <IndustryStandard/TpmPtp.h>
//
// The definition for TCG MOR
//
#define ACPI_FUNCTION_DSM_MEMORY_CLEAR_INTERFACE 1
#define ACPI_FUNCTION_PTS_CLEAR_MOR_BIT 2
//
// The return code for Memory Clear Interface Functions
//
#define MOR_REQUEST_SUCCESS 0
#define MOR_REQUEST_GENERAL_FAILURE 1
/**
Notify the system that the SMM variable driver is ready.
**/
VOID
Tcg2NotifyMmReady (
VOID
);
/**
This function is an abstraction layer for implementation specific Mm buffer validation routine.
@param Buffer The buffer start address to be checked.
@param Length The buffer length to be checked.
@retval TRUE This buffer is valid per processor architecture and not overlap with SMRAM.
@retval FALSE This buffer is not valid per processor architecture or overlap with SMRAM.
**/
BOOLEAN
IsBufferOutsideMmValid (
IN EFI_PHYSICAL_ADDRESS Buffer,
IN UINT64 Length
);
/**
The driver's common initialization routine.
It install callbacks for TPM physical presence and MemoryClear, and locate
SMM variable to be used in the callback function.
@retval EFI_SUCCESS The entry point is executed successfully.
@retval Others Some error occurs when executing this entry point.
**/
EFI_STATUS
InitializeTcgCommon (
VOID
);
#endif // __TCG_SMM_H__
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