audk/OvmfPkg/Library/NvVarsFileLib/NvVarsFileLib.h

56 lines
1.3 KiB
C

/** @file
Save Non-Volatile Variables to a file system.
Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __NV_VARS_FILE_LIB_INSTANCE__
#define __NV_VARS_FILE_LIB_INSTANCE__
#include <Uefi.h>
#include <Guid/FileInfo.h>
#include <Protocol/SimpleFileSystem.h>
#include <Library/BaseLib.h>
#include <Library/FileHandleLib.h>
#include <Library/SerializeVariablesLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/UefiLib.h>
/**
Loads the non-volatile variables from the NvVars file on the
given file system.
@param[in] FsHandle - Handle for a gEfiSimpleFileSystemProtocolGuid instance
@return EFI_STATUS based on the success or failure of load operation
**/
EFI_STATUS
LoadNvVarsFromFs (
EFI_HANDLE FsHandle
);
/**
Saves the non-volatile variables into the NvVars file on the
given file system.
@param[in] FsHandle - Handle for a gEfiSimpleFileSystemProtocolGuid instance
@return EFI_STATUS based on the success or failure of load operation
**/
EFI_STATUS
SaveNvVarsToFs (
EFI_HANDLE FsHandle
);
#endif