X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=Vlv2TbltDevicePkg%2FLibrary%2FDxeTrEEPhysicalPresenceLibNull%2FDxeTrEEPhysicalPresenceLibNull.c;fp=Vlv2TbltDevicePkg%2FLibrary%2FDxeTrEEPhysicalPresenceLibNull%2FDxeTrEEPhysicalPresenceLibNull.c;h=0000000000000000000000000000000000000000;hb=9461604e1490f73fdbcc8e957dbe75f75c73b027;hp=9aebf528fb1e0f8b790a3d77a8c1dafa80d6d5fa;hpb=b1d95b19e555a737d67b20d85ed8e295c88a2d65;p=mirror_edk2.git diff --git a/Vlv2TbltDevicePkg/Library/DxeTrEEPhysicalPresenceLibNull/DxeTrEEPhysicalPresenceLibNull.c b/Vlv2TbltDevicePkg/Library/DxeTrEEPhysicalPresenceLibNull/DxeTrEEPhysicalPresenceLibNull.c deleted file mode 100644 index 9aebf528fb..0000000000 --- a/Vlv2TbltDevicePkg/Library/DxeTrEEPhysicalPresenceLibNull/DxeTrEEPhysicalPresenceLibNull.c +++ /dev/null @@ -1,242 +0,0 @@ -/** @file - Execute pending TPM2 requests from OS or BIOS. - - Caution: This module requires additional review when modified. - This driver will have external input - variable. - This external input must be validated carefully to avoid security issue. - - TrEEExecutePendingTpmRequest() will receive untrusted input and do validation. - -Copyright (c) 2013 - 2015, Intel Corporation. All rights reserved.
-This program and the accompanying materials -are licensed and made available under the terms and conditions of the BSD License -which accompanies this distribution. The full text of the license may be found at -http://opensource.org/licenses/bsd-license.php - -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. - -**/ - -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - - -/** - Get string by string id from HII Interface. - - @param[in] Id String ID. - - @retval CHAR16 * String from ID. - @retval NULL If error occurs. - -**/ -CHAR16 * -TrEEPhysicalPresenceGetStringById ( - IN EFI_STRING_ID Id - ) -{ - return NULL; -} - -/** - Send ClearControl and Clear command to TPM. - - @param[in] PlatformAuth platform auth value. NULL means no platform auth change. - - @retval EFI_SUCCESS Operation completed successfully. - @retval EFI_TIMEOUT The register can't run into the expected status in time. - @retval EFI_BUFFER_TOO_SMALL Response data buffer is too small. - @retval EFI_DEVICE_ERROR Unexpected device behavior. - -**/ -EFI_STATUS -EFIAPI -TpmCommandClear ( - IN TPM2B_AUTH *PlatformAuth OPTIONAL - ) -{ - return EFI_SUCCESS; -} - -/** - Execute physical presence operation requested by the OS. - - @param[in] PlatformAuth platform auth value. NULL means no platform auth change. - @param[in] CommandCode Physical presence operation value. - @param[in, out] PpiFlags The physical presence interface flags. - - @retval TREE_PP_OPERATION_RESPONSE_BIOS_FAILURE Unknown physical presence operation. - @retval TREE_PP_OPERATION_RESPONSE_BIOS_FAILURE Error occurred during sending command to TPM or - receiving response from TPM. - @retval Others Return code from the TPM device after command execution. -**/ -UINT32 -TrEEExecutePhysicalPresence ( - IN TPM2B_AUTH *PlatformAuth, OPTIONAL - IN UINT32 CommandCode, - IN OUT EFI_TREE_PHYSICAL_PRESENCE_FLAGS *PpiFlags - ) -{ - return 0; -} - - -/** - Read the specified key for user confirmation. - - @param[in] CautionKey If true, F12 is used as confirm key; - If false, F10 is used as confirm key. - - @retval TRUE User confirmed the changes by input. - @retval FALSE User discarded the changes. -**/ -BOOLEAN -TrEEReadUserKey ( - IN BOOLEAN CautionKey - ) -{ - return FALSE; -} - -/** - The constructor function register UNI strings into imageHandle. - - It will ASSERT() if that operation fails and it will always return EFI_SUCCESS. - - @param ImageHandle The firmware allocated handle for the EFI image. - @param SystemTable A pointer to the EFI System Table. - - @retval EFI_SUCCESS The constructor successfully added string package. - @retval Other value The constructor can't add string package. -**/ -EFI_STATUS -EFIAPI -TrEEPhysicalPresenceLibConstructor ( - IN EFI_HANDLE ImageHandle, - IN EFI_SYSTEM_TABLE *SystemTable - ) -{ - return EFI_SUCCESS; -} - -/** - Display the confirm text and get user confirmation. - - @param[in] TpmPpCommand The requested TPM physical presence command. - - @retval TRUE The user has confirmed the changes. - @retval FALSE The user doesn't confirm the changes. -**/ -BOOLEAN -TrEEUserConfirm ( - IN UINT32 TpmPpCommand - ) -{ - return FALSE; -} - -/** - Check if there is a valid physical presence command request. Also updates parameter value - to whether the requested physical presence command already confirmed by user - - @param[in] TcgPpData EFI TrEE Physical Presence request data. - @param[in] Flags The physical presence interface 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, or already confirmed - in last boot cycle by user. - 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 -TrEEHaveValidTpmRequest ( - IN EFI_TREE_PHYSICAL_PRESENCE *TcgPpData, - IN EFI_TREE_PHYSICAL_PRESENCE_FLAGS Flags, - OUT BOOLEAN *RequestConfirmed - ) -{ - return TRUE; -} - - -/** - Check and execute the requested physical presence command. - - Caution: This function may receive untrusted input. - TcgPpData variable is external input, so this function will validate - its data structure to be valid value. - - @param[in] PlatformAuth platform auth value. NULL means no platform auth change. - @param[in] TcgPpData Point to the physical presence NV variable. - @param[in] Flags The physical presence interface flags. -**/ -VOID -TrEEExecutePendingTpmRequest ( - IN TPM2B_AUTH *PlatformAuth, OPTIONAL - IN EFI_TREE_PHYSICAL_PRESENCE *TcgPpData, - IN EFI_TREE_PHYSICAL_PRESENCE_FLAGS Flags - ) -{ - return; -} - -/** - Check and execute the pending TPM request. - - The TPM request may come from OS or BIOS. This API will display request information and wait - for user confirmation if TPM request exists. The TPM request will be sent to TPM device after - the TPM request is confirmed, and one or more reset may be required to make TPM request to - take effect. - - This API should be invoked after console in and console out are all ready as they are required - to display request information and get user input to confirm the request. - - @param[in] PlatformAuth platform auth value. NULL means no platform auth change. -**/ -VOID -EFIAPI -TrEEPhysicalPresenceLibProcessRequest ( - IN TPM2B_AUTH *PlatformAuth OPTIONAL - ) -{ - return; -} - -/** - Check if the pending TPM request needs user input to confirm. - - The TPM request may come from OS. This API will check if TPM request exists and need user - input to confirmation. - - @retval TRUE TPM needs input to confirm user physical presence. - @retval FALSE TPM doesn't need input to confirm user physical presence. - -**/ -BOOLEAN -EFIAPI -TrEEPhysicalPresenceLibNeedUserConfirm( - VOID - ) -{ - - return FALSE; -} -