Subrata Banik | 8b9f289 | 2018-01-25 10:50:39 +0530 | [diff] [blame] | 1 | /** @file |
| 2 | TPM2 ACPI table definition. |
| 3 | |
| 4 | Copyright (c) 2013 - 2017, Intel Corporation. All rights reserved. <BR> |
| 5 | This program and the accompanying materials |
| 6 | are licensed and made available under the terms and conditions of the BSD License |
| 7 | which accompanies this distribution. The full text of the license may be found at |
| 8 | http://opensource.org/licenses/bsd-license.php |
| 9 | |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. |
| 12 | |
| 13 | **/ |
| 14 | |
| 15 | #ifndef _TPM2_ACPI_H_ |
| 16 | #define _TPM2_ACPI_H_ |
| 17 | |
| 18 | #include <IndustryStandard/Acpi.h> |
| 19 | |
| 20 | #pragma pack (1) |
| 21 | |
| 22 | #define EFI_TPM2_ACPI_TABLE_REVISION_3 3 |
| 23 | #define EFI_TPM2_ACPI_TABLE_REVISION_4 4 |
| 24 | #define EFI_TPM2_ACPI_TABLE_REVISION EFI_TPM2_ACPI_TABLE_REVISION_4 |
| 25 | |
| 26 | typedef struct { |
| 27 | EFI_ACPI_DESCRIPTION_HEADER Header; |
| 28 | // Flags field is replaced in version 4 and above |
| 29 | // BIT0~15: PlatformClass This field is only valid for version 4 and above |
| 30 | // BIT16~31: Reserved |
| 31 | UINT32 Flags; |
| 32 | UINT64 AddressOfControlArea; |
| 33 | UINT32 StartMethod; |
| 34 | //UINT8 PlatformSpecificParameters[]; |
| 35 | } EFI_TPM2_ACPI_TABLE; |
| 36 | |
| 37 | #define EFI_TPM2_ACPI_TABLE_START_METHOD_ACPI 2 |
| 38 | #define EFI_TPM2_ACPI_TABLE_START_METHOD_TIS 6 |
| 39 | #define EFI_TPM2_ACPI_TABLE_START_METHOD_COMMAND_RESPONSE_BUFFER_INTERFACE 7 |
| 40 | #define EFI_TPM2_ACPI_TABLE_START_METHOD_COMMAND_RESPONSE_BUFFER_INTERFACE_WITH_ACPI 8 |
| 41 | |
| 42 | typedef struct { |
| 43 | UINT32 Reserved; |
| 44 | UINT32 Error; |
| 45 | UINT32 Cancel; |
| 46 | UINT32 Start; |
| 47 | UINT64 InterruptControl; |
| 48 | UINT32 CommandSize; |
| 49 | UINT64 Command; |
| 50 | UINT32 ResponseSize; |
| 51 | UINT64 Response; |
| 52 | } EFI_TPM2_ACPI_CONTROL_AREA; |
| 53 | |
| 54 | #pragma pack () |
| 55 | |
| 56 | #endif |