SecurityPkg/Include/Guid/TpmNvsMm.h

/** @file
  TPM NVS MM guid, used for exchanging information, including SWI value and NVS region
  information, for patching TPM ACPI table.

Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
Copyright (c) Microsoft Corporation.
SPDX-License-Identifier: BSD-2-Clause-Patent

**/

#ifndef TCG2_NVS_MM_H_
#define TCG2_NVS_MM_H_

#define MM_TPM_NVS_HOB_GUID \
  { 0xc96c76eb, 0xbc78, 0x429c, { 0x9f, 0x4b, 0xda, 0x51, 0x78, 0xc2, 0x84, 0x57 }}

extern EFI_GUID  gTpmNvsMmGuid;

#pragma pack(1)
typedef struct {
  UINT8     SoftwareSmi;
  UINT32    Parameter;
  UINT32    Response;
  UINT32    Request;
  UINT32    RequestParameter;
  UINT32    LastRequest;
  UINT32    ReturnCode;
} PHYSICAL_PRESENCE_NVS;

typedef struct {
  UINT8     SoftwareSmi;
  UINT32    Parameter;
  UINT32    Request;
  UINT32    ReturnCode;
} MEMORY_CLEAR_NVS;

typedef struct {
  PHYSICAL_PRESENCE_NVS    PhysicalPresence;
  MEMORY_CLEAR_NVS         MemoryClear;
  UINT32                   PPRequestUserConfirm;
  UINT32                   TpmIrqNum;
  BOOLEAN                  IsShortFormPkgLength;
} TCG_NVS;

typedef struct {
  UINT8     OpRegionOp;
  UINT32    NameString;
  UINT8     RegionSpace;
  UINT8     DWordPrefix;
  UINT32    RegionOffset;
  UINT8     BytePrefix;
  UINT8     RegionLen;
} AML_OP_REGION_32_8;

typedef struct {
  UINT64                  Function;
  UINT64                  ReturnStatus;
  EFI_PHYSICAL_ADDRESS    TargetAddress;
  UINT64                  RegisteredPpSwiValue;
  UINT64                  RegisteredMcSwiValue;
} TPM_NVS_MM_COMM_BUFFER;
#pragma pack()

typedef enum {
  TpmNvsMmExchangeInfo,
} TPM_NVS_MM_FUNCTION;

#endif // TCG2_NVS_MM_H_