VirtualBox

source: vbox/trunk/src/VBox/Devices/EFI/FirmwareNew/OvmfPkg/Library/NvVarsFileLib/NvVarsFileLib.h@ 80721

Last change on this file since 80721 was 80721, checked in by vboxsync, 6 years ago

Devices/EFI/FirmwareNew: Start upgrade process to edk2-stable201908 (compiles on Windows and works to some extent), bugref:4643

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1/** @file
2 Save Non-Volatile Variables to a file system.
3
4 Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
5 SPDX-License-Identifier: BSD-2-Clause-Patent
6
7**/
8
9#ifndef __NV_VARS_FILE_LIB_INSTANCE__
10#define __NV_VARS_FILE_LIB_INSTANCE__
11
12#include <Uefi.h>
13
14#include <Guid/FileInfo.h>
15
16#include <Protocol/SimpleFileSystem.h>
17
18#include <Library/BaseLib.h>
19#include <Library/FileHandleLib.h>
20#include <Library/SerializeVariablesLib.h>
21#include <Library/UefiBootServicesTableLib.h>
22#include <Library/UefiRuntimeServicesTableLib.h>
23#include <Library/UefiLib.h>
24
25/**
26 Loads the non-volatile variables from the NvVars file on the
27 given file system.
28
29 @param[in] FsHandle - Handle for a gEfiSimpleFileSystemProtocolGuid instance
30
31 @return EFI_STATUS based on the success or failure of load operation
32
33**/
34EFI_STATUS
35LoadNvVarsFromFs (
36 EFI_HANDLE FsHandle
37 );
38
39
40/**
41 Saves the non-volatile variables into the NvVars file on the
42 given file system.
43
44 @param[in] FsHandle - Handle for a gEfiSimpleFileSystemProtocolGuid instance
45
46 @return EFI_STATUS based on the success or failure of load operation
47
48**/
49EFI_STATUS
50SaveNvVarsToFs (
51 EFI_HANDLE FsHandle
52 );
53
54#endif
55
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