audk/MdePkg/Include/IndustryStandard/Tpm2Acpi.h

54 lines
1.7 KiB
C

/** @file
TPM2 ACPI table definition.
Copyright (c) 2013 - 2019, Intel Corporation. All rights reserved. <BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#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
//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;
#pragma pack ()
#endif