1 /** @file 2 NULL Tcg2 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/Tcg2PpVendorLib.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] PlatformAuth platform auth value. NULL means no platform auth change. 28 @param[in] OperationRequest TPM physical presence operation request. 29 @param[in, out] ManagementFlags BIOS TPM Management Flags. 30 @param[out] ResetRequired If reset is required to vendor settings in effect. 31 True, it indicates the reset is required. 32 False, it indicates the reset is not required. 33 34 @return TPM Operation Response to OS Environment. 35 **/ 36 UINT32 37 EFIAPI 38 Tcg2PpVendorLibExecutePendingRequest ( 39 IN TPM2B_AUTH *PlatformAuth, OPTIONAL 40 IN UINT32 OperationRequest, 41 IN OUT UINT32 *ManagementFlags, 42 OUT BOOLEAN *ResetRequired 43 ) 44 { 45 ASSERT (OperationRequest >= TCG2_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION); 46 return TCG_PP_OPERATION_RESPONSE_BIOS_FAILURE; 47 } 48 49 /** 50 Check if there is a valid physical presence command request. 51 52 This API should be invoked in BIOS boot phase to process pending request. 53 54 Caution: This function may receive untrusted input. 55 56 If OperationRequest < 128, then ASSERT(). 57 58 @param[in] OperationRequest TPM physical presence operation request. 59 @param[in] ManagementFlags BIOS TPM Management Flags. 60 @param[out] RequestConfirmed If the physical presence operation command required user confirm from UI. 61 True, it indicates the command doesn't require user confirm. 62 False, it indicates the command need user confirm from UI. 63 64 @retval TRUE Physical Presence operation command is valid. 65 @retval FALSE Physical Presence operation command is invalid. 66 **/ 67 BOOLEAN 68 EFIAPI 69 Tcg2PpVendorLibHasValidRequest ( 70 IN UINT32 OperationRequest, 71 IN UINT32 ManagementFlags, 72 OUT BOOLEAN *RequestConfirmed 73 ) 74 { 75 ASSERT (OperationRequest >= TCG2_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION); 76 return FALSE; 77 } 78 79 /** 80 The callback for TPM vendor specific physical presence which is called for 81 Submit TPM Operation Request to Pre-OS Environment and 82 Submit TPM Operation Request to Pre-OS Environment 2. 83 84 This API should be invoked in OS runtime phase to interface with ACPI method. 85 86 Caution: This function may receive untrusted input. 87 88 If OperationRequest < 128, then ASSERT(). 89 90 @param[in] OperationRequest TPM physical presence operation request. 91 @param[in] ManagementFlags BIOS TPM Management Flags. 92 @param[in] RequestParameter Extra parameter from the passed package. 93 94 @return Return Code for Submit TPM Operation Request to Pre-OS Environment and 95 Submit TPM Operation Request to Pre-OS Environment 2. 96 **/ 97 UINT32 98 EFIAPI 99 Tcg2PpVendorLibSubmitRequestToPreOSFunction ( 100 IN UINT32 OperationRequest, 101 IN UINT32 ManagementFlags, 102 IN UINT32 RequestParameter 103 ) 104 { 105 ASSERT (OperationRequest >= TCG2_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION); 106 return TCG_PP_SUBMIT_REQUEST_TO_PREOS_NOT_IMPLEMENTED; 107 } 108 109 /** 110 The callback for TPM vendor specific physical presence which is called for 111 Get User Confirmation Status for Operation. 112 113 This API should be invoked in OS runtime phase to interface with ACPI method. 114 115 Caution: This function may receive untrusted input. 116 117 If OperationRequest < 128, then ASSERT(). 118 119 @param[in] OperationRequest TPM physical presence operation request. 120 @param[in] ManagementFlags BIOS TPM Management Flags. 121 122 @return Return Code for Get User Confirmation Status for Operation. 123 **/ 124 UINT32 125 EFIAPI 126 Tcg2PpVendorLibGetUserConfirmationStatusFunction ( 127 IN UINT32 OperationRequest, 128 IN UINT32 ManagementFlags 129 ) 130 { 131 ASSERT (OperationRequest >= TCG2_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION); 132 return TCG_PP_GET_USER_CONFIRMATION_NOT_IMPLEMENTED; 133 } 134
