diff options
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/SecurityPkg/Library/TcgPpVendorLibNull/TcgPpVendorLibNull.c')
-rw-r--r-- | src/VBox/Devices/EFI/Firmware/SecurityPkg/Library/TcgPpVendorLibNull/TcgPpVendorLibNull.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/SecurityPkg/Library/TcgPpVendorLibNull/TcgPpVendorLibNull.c b/src/VBox/Devices/EFI/Firmware/SecurityPkg/Library/TcgPpVendorLibNull/TcgPpVendorLibNull.c new file mode 100644 index 00000000..2dd8c0c7 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/SecurityPkg/Library/TcgPpVendorLibNull/TcgPpVendorLibNull.c @@ -0,0 +1,123 @@ +/** @file + NULL TCG PP Vendor library instance that does not support any vendor specific PPI. + +Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include <Library/DebugLib.h> +#include <Library/TcgPpVendorLib.h> + +/** + Check and execute the requested physical presence command. + + This API should be invoked in BIOS boot phase to process pending request. + + Caution: This function may receive untrusted input. + + If OperationRequest < 128, then ASSERT(). + + @param[in] OperationRequest TPM physical presence operation request. + @param[in, out] ManagementFlags BIOS TPM Management Flags. + @param[out] ResetRequired If reset is required to vendor settings in effect. + True, it indicates the reset is required. + False, it indicates the reset is not required. + + @return TPM Operation Response to OS Environment. +**/ +UINT32 +EFIAPI +TcgPpVendorLibExecutePendingRequest ( + IN UINT32 OperationRequest, + IN OUT UINT32 *ManagementFlags, + OUT BOOLEAN *ResetRequired + ) +{ + ASSERT (OperationRequest >= TCG_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION); + return TCG_PP_OPERATION_RESPONSE_BIOS_FAILURE; +} + +/** + Check if there is a valid physical presence command request. + + This API should be invoked in BIOS boot phase to process pending request. + + Caution: This function may receive untrusted input. + + If OperationRequest < 128, then ASSERT(). + + @param[in] OperationRequest TPM physical presence operation request. + @param[in] ManagementFlags BIOS TPM Management Flags. + @param[out] RequestConfirmed If the physical presence operation command required user confirm from UI. + True, it indicates the command doesn't require user confirm. + False, it indicates the command need user confirm from UI. + + @retval TRUE Physical Presence operation command is valid. + @retval FALSE Physical Presence operation command is invalid. +**/ +BOOLEAN +EFIAPI +TcgPpVendorLibHasValidRequest ( + IN UINT32 OperationRequest, + IN UINT32 ManagementFlags, + OUT BOOLEAN *RequestConfirmed + ) +{ + ASSERT (OperationRequest >= TCG_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION); + return FALSE; +} + +/** + The callback for TPM vendor specific physical presence which is called for + Submit TPM Operation Request to Pre-OS Environment and + Submit TPM Operation Request to Pre-OS Environment 2. + + This API should be invoked in OS runtime phase to interface with ACPI method. + + Caution: This function may receive untrusted input. + + If OperationRequest < 128, then ASSERT(). + + @param[in] OperationRequest TPM physical presence operation request. + @param[in] ManagementFlags BIOS TPM Management Flags. + + @return Return Code for Submit TPM Operation Request to Pre-OS Environment and + Submit TPM Operation Request to Pre-OS Environment 2. +**/ +UINT32 +EFIAPI +TcgPpVendorLibSubmitRequestToPreOSFunction ( + IN UINT32 OperationRequest, + IN UINT32 ManagementFlags + ) +{ + ASSERT (OperationRequest >= TCG_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION); + return TCG_PP_SUBMIT_REQUEST_TO_PREOS_NOT_IMPLEMENTED; +} + +/** + The callback for TPM vendor specific physical presence which is called for + Get User Confirmation Status for Operation. + + This API should be invoked in OS runtime phase to interface with ACPI method. + + Caution: This function may receive untrusted input. + + If OperationRequest < 128, then ASSERT(). + + @param[in] OperationRequest TPM physical presence operation request. + @param[in] ManagementFlags BIOS TPM Management Flags. + + @return Return Code for Get User Confirmation Status for Operation. +**/ +UINT32 +EFIAPI +TcgPpVendorLibGetUserConfirmationStatusFunction ( + IN UINT32 OperationRequest, + IN UINT32 ManagementFlags + ) +{ + ASSERT (OperationRequest >= TCG_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION); + return TCG_PP_GET_USER_CONFIRMATION_NOT_IMPLEMENTED; +} |