| /** @file |
| TPM2 ACPI table definition. |
| |
| Copyright (c) 2013 - 2019, Intel Corporation. All rights reserved. <BR> |
| Copyright (c) 2021, Ampere Computing LLC. 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; |
| |
| // |
| // 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 |