1 /** @file 2 The header file for TCG SMM driver. 3 4 Copyright (c) 2012 - 2015, 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 __TCG_SMM_H__ 16 #define __TCG_SMM_H__ 17 18 #include <PiDxe.h> 19 #include <IndustryStandard/Acpi.h> 20 #include <IndustryStandard/UefiTcgPlatform.h> 21 22 #include <Guid/PhysicalPresenceData.h> 23 #include <Guid/MemoryOverwriteControl.h> 24 #include <Guid/TpmInstance.h> 25 26 #include <Protocol/SmmSwDispatch2.h> 27 #include <Protocol/AcpiTable.h> 28 #include <Protocol/SmmVariable.h> 29 30 #include <Library/BaseLib.h> 31 #include <Library/BaseMemoryLib.h> 32 #include <Library/DebugLib.h> 33 #include <Library/SmmServicesTableLib.h> 34 #include <Library/UefiDriverEntryPoint.h> 35 #include <Library/UefiBootServicesTableLib.h> 36 #include <Library/DxeServicesLib.h> 37 #include <Library/TpmMeasurementLib.h> 38 #include <Library/PcdLib.h> 39 #include <Library/TcgPpVendorLib.h> 40 41 #pragma pack(1) 42 typedef struct { 43 UINT8 SoftwareSmi; 44 UINT32 Parameter; 45 UINT32 Response; 46 UINT32 Request; 47 UINT32 LastRequest; 48 UINT32 ReturnCode; 49 } PHYSICAL_PRESENCE_NVS; 50 51 typedef struct { 52 UINT8 SoftwareSmi; 53 UINT32 Parameter; 54 UINT32 Request; 55 UINT32 ReturnCode; 56 } MEMORY_CLEAR_NVS; 57 58 typedef struct { 59 PHYSICAL_PRESENCE_NVS PhysicalPresence; 60 MEMORY_CLEAR_NVS MemoryClear; 61 } TCG_NVS; 62 63 typedef struct { 64 UINT8 OpRegionOp; 65 UINT32 NameString; 66 UINT8 RegionSpace; 67 UINT8 DWordPrefix; 68 UINT32 RegionOffset; 69 UINT8 BytePrefix; 70 UINT8 RegionLen; 71 } AML_OP_REGION_32_8; 72 #pragma pack() 73 74 // 75 // The definition for TCG physical presence ACPI function 76 // 77 #define ACPI_FUNCTION_GET_PHYSICAL_PRESENCE_INTERFACE_VERSION 1 78 #define ACPI_FUNCTION_SUBMIT_REQUEST_TO_BIOS 2 79 #define ACPI_FUNCTION_GET_PENDING_REQUEST_BY_OS 3 80 #define ACPI_FUNCTION_GET_PLATFORM_ACTION_TO_TRANSITION_TO_BIOS 4 81 #define ACPI_FUNCTION_RETURN_REQUEST_RESPONSE_TO_OS 5 82 #define ACPI_FUNCTION_SUBMIT_PREFERRED_USER_LANGUAGE 6 83 #define ACPI_FUNCTION_SUBMIT_REQUEST_TO_BIOS_2 7 84 #define ACPI_FUNCTION_GET_USER_CONFIRMATION_STATUS_FOR_REQUEST 8 85 86 // 87 // The return code for Return TPM Operation Response to OS Environment 88 // 89 #define PP_RETURN_TPM_OPERATION_RESPONSE_SUCCESS 0 90 #define PP_RETURN_TPM_OPERATION_RESPONSE_FAILURE 1 91 92 // 93 // The definition for TCG MOR 94 // 95 #define ACPI_FUNCTION_DSM_MEMORY_CLEAR_INTERFACE 1 96 #define ACPI_FUNCTION_PTS_CLEAR_MOR_BIT 2 97 98 // 99 // The return code for Memory Clear Interface Functions 100 // 101 #define MOR_REQUEST_SUCCESS 0 102 #define MOR_REQUEST_GENERAL_FAILURE 1 103 104 #endif // __TCG_SMM_H__ 105