MdePkg/Include/IndustryStandard/Tpm2Acpi.h

   1 /** @file
   2   TPM2 ACPI table definition.
   3
   4 Copyright (c) 2013 - 2019, Intel Corporation. All rights reserved. <BR>
   5 This program and the accompanying materials
   6 are licensed and made available under the terms and conditions of the BSD License
   7 which accompanies this distribution.  The full text of the license may be found at
   8 http://opensource.org/licenses/bsd-license.php
   9
  10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #ifndef _TPM2_ACPI_H_
  16 #define _TPM2_ACPI_H_
  17
  18 #include <IndustryStandard/Acpi.h>
  19
  20 #pragma pack (1)
  21
  22 #define EFI_TPM2_ACPI_TABLE_REVISION_3  3
  23 #define EFI_TPM2_ACPI_TABLE_REVISION_4  4
  24 #define EFI_TPM2_ACPI_TABLE_REVISION    EFI_TPM2_ACPI_TABLE_REVISION_4
  25
  26 typedef struct {
  27   EFI_ACPI_DESCRIPTION_HEADER Header;
  28   // Flags field is replaced in version 4 and above
  29   //    BIT0~15:  PlatformClass      This field is only valid for version 4 and above
  30   //    BIT16~31: Reserved
  31   UINT32                      Flags;
  32   UINT64                      AddressOfControlArea;
  33   UINT32                      StartMethod;
  34 //UINT8                       PlatformSpecificParameters[];  // size up to 12
  35 //UINT32                      Laml;                          // Optional
  36 //UINT32                      Lasa;                          // Optional
  37 } EFI_TPM2_ACPI_TABLE;
  38
  39 #define EFI_TPM2_ACPI_TABLE_START_METHOD_ACPI                                          2
  40 #define EFI_TPM2_ACPI_TABLE_START_METHOD_TIS                                           6
  41 #define EFI_TPM2_ACPI_TABLE_START_METHOD_COMMAND_RESPONSE_BUFFER_INTERFACE             7
  42 #define EFI_TPM2_ACPI_TABLE_START_METHOD_COMMAND_RESPONSE_BUFFER_INTERFACE_WITH_ACPI   8
  43 #define EFI_TPM2_ACPI_TABLE_START_METHOD_COMMAND_RESPONSE_BUFFER_INTERFACE_WITH_SMC    11
  44
  45 typedef struct {
  46   UINT32   Reserved;
  47   UINT32   Error;
  48   UINT32   Cancel;
  49   UINT32   Start;
  50   UINT64   InterruptControl;
  51   UINT32   CommandSize;
  52   UINT64   Command;
  53   UINT32   ResponseSize;
  54   UINT64   Response;
  55 } EFI_TPM2_ACPI_CONTROL_AREA;
  56
  57 #pragma pack ()
  58
  59 #endif