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 SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #ifndef _TPM2_ACPI_H_
  10 #define _TPM2_ACPI_H_
  11
  12 #include <IndustryStandard/Acpi.h>
  13
  14 #pragma pack (1)
  15
  16 #define EFI_TPM2_ACPI_TABLE_REVISION_3  3
  17 #define EFI_TPM2_ACPI_TABLE_REVISION_4  4
  18 #define EFI_TPM2_ACPI_TABLE_REVISION    EFI_TPM2_ACPI_TABLE_REVISION_4
  19
  20 typedef struct {
  21   EFI_ACPI_DESCRIPTION_HEADER Header;
  22   // Flags field is replaced in version 4 and above
  23   //    BIT0~15:  PlatformClass      This field is only valid for version 4 and above
  24   //    BIT16~31: Reserved
  25   UINT32                      Flags;
  26   UINT64                      AddressOfControlArea;
  27   UINT32                      StartMethod;
  28 //UINT8                       PlatformSpecificParameters[];  // size up to 12
  29 //UINT32                      Laml;                          // Optional
  30 //UINT64                      Lasa;                          // Optional
  31 } EFI_TPM2_ACPI_TABLE;
  32
  33 #define EFI_TPM2_ACPI_TABLE_START_METHOD_ACPI                                          2
  34 #define EFI_TPM2_ACPI_TABLE_START_METHOD_TIS                                           6
  35 #define EFI_TPM2_ACPI_TABLE_START_METHOD_COMMAND_RESPONSE_BUFFER_INTERFACE             7
  36 #define EFI_TPM2_ACPI_TABLE_START_METHOD_COMMAND_RESPONSE_BUFFER_INTERFACE_WITH_ACPI   8
  37 #define EFI_TPM2_ACPI_TABLE_START_METHOD_COMMAND_RESPONSE_BUFFER_INTERFACE_WITH_SMC    11
  38
  39 typedef struct {
  40   UINT32   Reserved;
  41   UINT32   Error;
  42   UINT32   Cancel;
  43   UINT32   Start;
  44   UINT64   InterruptControl;
  45   UINT32   CommandSize;
  46   UINT64   Command;
  47   UINT32   ResponseSize;
  48   UINT64   Response;
  49 } EFI_TPM2_ACPI_CONTROL_AREA;
  50
  51 #pragma pack ()
  52
  53 #endif