1 /** @file 2 NULL TCG PP Vendor library instance that does not support any vendor specific PPI. 3 4 Copyright (c) 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 #include <Library/DebugLib.h> 16 #include <Library/TcgPpVendorLib.h> 17 18 /** 19 Check and execute the requested physical presence command. 20 21 This API should be invoked in BIOS boot phase to process pending request. 22 23 Caution: This function may receive untrusted input. 24 25 If OperationRequest < 128, then ASSERT(). 26 27 @param[in] OperationRequest TPM physical presence operation request. 28 @param[in, out] ManagementFlags BIOS TPM Management Flags. 29 @param[out] ResetRequired If reset is required to vendor settings in effect. 30 True, it indicates the reset is required. 31 False, it indicates the reset is not required. 32 33 @return TPM Operation Response to OS Environment. 34 **/ 35 UINT32 36 EFIAPI 37 TcgPpVendorLibExecutePendingRequest ( 38 IN UINT32 OperationRequest, 39 IN OUT UINT32 *ManagementFlags, 40 OUT BOOLEAN *ResetRequired 41 ) 42 { 43 ASSERT (OperationRequest >= TCG_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION); 44 return TCG_PP_OPERATION_RESPONSE_BIOS_FAILURE; 45 } 46 47 /** 48 Check if there is a valid physical presence command request. 49 50 This API should be invoked in BIOS boot phase to process pending request. 51 52 Caution: This function may receive untrusted input. 53 54 If OperationRequest < 128, then ASSERT(). 55 56 @param[in] OperationRequest TPM physical presence operation request. 57 @param[in] ManagementFlags BIOS TPM Management Flags. 58 @param[out] RequestConfirmed If the physical presence operation command required user confirm from UI. 59 True, it indicates the command doesn't require user confirm. 60 False, it indicates the command need user confirm from UI. 61 62 @retval TRUE Physical Presence operation command is valid. 63 @retval FALSE Physical Presence operation command is invalid. 64 **/ 65 BOOLEAN 66 EFIAPI 67 TcgPpVendorLibHasValidRequest ( 68 IN UINT32 OperationRequest, 69 IN UINT32 ManagementFlags, 70 OUT BOOLEAN *RequestConfirmed 71 ) 72 { 73 ASSERT (OperationRequest >= TCG_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION); 74 return FALSE; 75 } 76 77 /** 78 The callback for TPM vendor specific physical presence which is called for 79 Submit TPM Operation Request to Pre-OS Environment and 80 Submit TPM Operation Request to Pre-OS Environment 2. 81 82 This API should be invoked in OS runtime phase to interface with ACPI method. 83 84 Caution: This function may receive untrusted input. 85 86 If OperationRequest < 128, then ASSERT(). 87 88 @param[in] OperationRequest TPM physical presence operation request. 89 @param[in] ManagementFlags BIOS TPM Management Flags. 90 91 @return Return Code for Submit TPM Operation Request to Pre-OS Environment and 92 Submit TPM Operation Request to Pre-OS Environment 2. 93 **/ 94 UINT32 95 EFIAPI 96 TcgPpVendorLibSubmitRequestToPreOSFunction ( 97 IN UINT32 OperationRequest, 98 IN UINT32 ManagementFlags 99 ) 100 { 101 ASSERT (OperationRequest >= TCG_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION); 102 return TCG_PP_SUBMIT_REQUEST_TO_PREOS_NOT_IMPLEMENTED; 103 } 104 105 /** 106 The callback for TPM vendor specific physical presence which is called for 107 Get User Confirmation Status for Operation. 108 109 This API should be invoked in OS runtime phase to interface with ACPI method. 110 111 Caution: This function may receive untrusted input. 112 113 If OperationRequest < 128, then ASSERT(). 114 115 @param[in] OperationRequest TPM physical presence operation request. 116 @param[in] ManagementFlags BIOS TPM Management Flags. 117 118 @return Return Code for Get User Confirmation Status for Operation. 119 **/ 120 UINT32 121 EFIAPI 122 TcgPpVendorLibGetUserConfirmationStatusFunction ( 123 IN UINT32 OperationRequest, 124 IN UINT32 ManagementFlags 125 ) 126 { 127 ASSERT (OperationRequest >= TCG_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION); 128 return TCG_PP_GET_USER_CONFIRMATION_NOT_IMPLEMENTED; 129 } 130
