Tpm2Acpi.h

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#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
 
#define EFI_TPM2_ACPI_TABLE_START_METHOD_SPECIFIC_PARAMETERS_MAX_SIZE_REVISION_4  12
#define EFI_TPM2_ACPI_TABLE_START_METHOD_SPECIFIC_PARAMETERS_MAX_SIZE             EFI_TPM2_ACPI_TABLE_START_METHOD_SPECIFIC_PARAMETERS_MAX_SIZE_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
  // UINT64                      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;
 
//
// Start Method Specific Parameters for ARM SMC Start Method (11)
// Refer to Table 9: Start Method Specific Parameters for ARM SMC
//
typedef struct {
  UINT32    Interrupt;
  UINT8     Flags;
  UINT8     OperationFlags;
  UINT8     Reserved[2];
  UINT32    SmcFunctionId;
} EFI_TPM2_ACPI_START_METHOD_SPECIFIC_PARAMETERS_ARM_SMC;
 
#pragma pack ()
 
#endif