/** @file
  TPM2 ACPI table definition.

Copyright (c) 2013 - 2019, Intel Corporation. All rights reserved. <BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution.  The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php

THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

**/

#ifndef _TPM2_ACPI_H_
#define _TPM2_ACPI_H_

#include <IndustryStandard/Acpi.h>

#pragma pack (1)

#define EFI_TPM2_ACPI_TABLE_REVISION_3  3
#define EFI_TPM2_ACPI_TABLE_REVISION_4  4
#define EFI_TPM2_ACPI_TABLE_REVISION    EFI_TPM2_ACPI_TABLE_REVISION_4

typedef struct {
  EFI_ACPI_DESCRIPTION_HEADER Header;
  // Flags field is replaced in version 4 and above
  //    BIT0~15:  PlatformClass      This field is only valid for version 4 and above
  //    BIT16~31: Reserved
  UINT32                      Flags;
  UINT64                      AddressOfControlArea;
  UINT32                      StartMethod;
//UINT8                       PlatformSpecificParameters[];  // size up to 12
//UINT32                      Laml;                          // Optional
//UINT32                      Lasa;                          // Optional
} EFI_TPM2_ACPI_TABLE;

#define EFI_TPM2_ACPI_TABLE_START_METHOD_ACPI                                          2
#define EFI_TPM2_ACPI_TABLE_START_METHOD_TIS                                           6
#define EFI_TPM2_ACPI_TABLE_START_METHOD_COMMAND_RESPONSE_BUFFER_INTERFACE             7
#define EFI_TPM2_ACPI_TABLE_START_METHOD_COMMAND_RESPONSE_BUFFER_INTERFACE_WITH_ACPI   8
#define EFI_TPM2_ACPI_TABLE_START_METHOD_COMMAND_RESPONSE_BUFFER_INTERFACE_WITH_SMC    11

typedef struct {
  UINT32   Reserved;
  UINT32   Error;
  UINT32   Cancel;
  UINT32   Start;
  UINT64   InterruptControl;
  UINT32   CommandSize;
  UINT64   Command;
  UINT32   ResponseSize;
  UINT64   Response;
} EFI_TPM2_ACPI_CONTROL_AREA;

#pragma pack ()

#endif
