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Last change
on this file since 85716 was 80721, checked in by vboxsync, 5 years ago |
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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
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| 2 | Provides functions to save and restore NV variables in a file.
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| 3 |
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| 4 | Copyright (c) 2009, Intel Corporation. All rights reserved.<BR>
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| 5 | SPDX-License-Identifier: BSD-2-Clause-Patent
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| 6 |
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| 7 | **/
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| 8 |
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| 9 | #ifndef __NV_VARS_FILE_LIB__
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| 10 | #define __NV_VARS_FILE_LIB__
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| 11 |
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| 12 | /**
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| 13 | Attempts to connect the NvVarsFileLib to the specified file system.
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| 14 |
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| 15 | @param[in] FsHandle - Handle for a gEfiSimpleFileSystemProtocolGuid instance
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| 16 |
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| 17 | @return The EFI_STATUS while attempting to connect the NvVarsFileLib
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| 18 | to the file system instance.
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| 19 | @retval EFI_SUCCESS - The given file system was connected successfully
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| 20 |
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| 21 | **/
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| 22 | EFI_STATUS
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| 23 | EFIAPI
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| 24 | ConnectNvVarsToFileSystem (
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| 25 | IN EFI_HANDLE FsHandle
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| 26 | );
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| 27 |
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| 28 |
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| 29 | /**
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| 30 | Update non-volatile variables stored on the file system.
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| 31 |
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| 32 | @return The EFI_STATUS while attempting to update the variable on
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| 33 | the connected file system.
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| 34 | @retval EFI_SUCCESS - The non-volatile variables were saved to the disk
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| 35 | @retval EFI_NOT_STARTED - A file system has not been connected
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| 36 |
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| 37 | **/
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| 38 | EFI_STATUS
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| 39 | EFIAPI
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| 40 | UpdateNvVarsOnFileSystem (
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| 41 | );
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| 42 |
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| 43 |
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| 44 | #endif
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| 45 |
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