NvVarsFileLib.h File Reference

Functions
EFI_STATUS EFIAPI	ConnectNvVarsToFileSystem (IN EFI_HANDLE FsHandle)
EFI_STATUS EFIAPI	UpdateNvVarsOnFileSystem ()

Detailed Description

Provides functions to save and restore NV variables in a file.

Copyright (c) 2009, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Function Documentation

EFI_STATUS EFIAPI ConnectNvVarsToFileSystem

(

IN EFI_HANDLE

FsHandle

)

Attempts to connect the NvVarsFileLib to the specified file system.

Parameters

[in]

FsHandle

- Handle for a gEfiSimpleFileSystemProtocolGuid instance

Returns

The EFI_STATUS while attempting to connect the NvVarsFileLib to the file system instance.

Return values

EFI_SUCCESS

- The given file system was connected successfully

EFI_STATUS EFIAPI UpdateNvVarsOnFileSystem

(

)

Update non-volatile variables stored on the file system.

Returns

The EFI_STATUS while attempting to update the variable on the connected file system.

Return values

EFI_SUCCESS	- The non-volatile variables were saved to the disk
EFI_NOT_STARTED	- A file system has not been connected