1 /** @file 2 Provides functions to save and restore NV variables in a file. 3 4 Copyright (c) 2009, 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 __NV_VARS_FILE_LIB__ 16 #define __NV_VARS_FILE_LIB__ 17 18 /** 19 Attempts to connect the NvVarsFileLib to the specified file system. 20 21 @param[in] FsHandle - Handle for a gEfiSimpleFileSystemProtocolGuid instance 22 23 @return The EFI_STATUS while attempting to connect the NvVarsFileLib 24 to the file system instance. 25 @retval EFI_SUCCESS - The given file system was connected successfully 26 27 **/ 28 EFI_STATUS 29 EFIAPI 30 ConnectNvVarsToFileSystem ( 31 IN EFI_HANDLE FsHandle 32 ); 33 34 35 /** 36 Update non-volatile variables stored on the file system. 37 38 @return The EFI_STATUS while attempting to update the variable on 39 the connected file system. 40 @retval EFI_SUCCESS - The non-volatile variables were saved to the disk 41 @retval EFI_NOT_STARTED - A file system has not been connected 42 43 **/ 44 EFI_STATUS 45 EFIAPI 46 UpdateNvVarsOnFileSystem ( 47 ); 48 49 50 #endif 51 52
