diff options
| author | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-09-16 16:28:55 +0000 |
|---|---|---|
| committer | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-09-16 16:28:55 +0000 |
| commit | 50944545795641de735586d4803f8fc38b43874e (patch) | |
| tree | 03b1dff60958770ac8f3227f488f71c0fd637354 /OvmfPkg/Include/Library | |
| parent | af2cfce391f3869c53c044dbaf2ce85aa3f5ebc8 (diff) | |
| download | edk2-platforms-50944545795641de735586d4803f8fc38b43874e.tar.xz | |
Implement NvVarsFileLib to save and restore non-volatile variables using a file.
This library provides an interface where variables can be saved and restored
using a file in a file system accessible to the firmware. It is expected
that a platform BDS library will use this library. The platform BDS
implementation can decide which devices to connect and then to attempt to use
for saving and restoring NV variables.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9272 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'OvmfPkg/Include/Library')
| -rw-r--r-- | OvmfPkg/Include/Library/NvVarsFileLib.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/OvmfPkg/Include/Library/NvVarsFileLib.h b/OvmfPkg/Include/Library/NvVarsFileLib.h new file mode 100644 index 0000000000..63b1642f54 --- /dev/null +++ b/OvmfPkg/Include/Library/NvVarsFileLib.h @@ -0,0 +1,35 @@ +/** @file
+ Provides functions to save and restore NV variables in a file.
+
+ Copyright (c) 2009, Intel Corporation<BR>
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef __NV_VARS_FILE_LIB__
+#define __NV_VARS_FILE_LIB__
+
+/**
+ Attempts to connect the NvVarsFileLib to the specified file system.
+
+ @param[in] FsHandle - Handle for a gEfiSimpleFileSystemProtocolGuid instance
+
+ @return The EFI_STATUS while attempting to connect the NvVarsFileLib
+ to the file system instance.
+ @retval EFI_SUCCESS - The given file system was connected successfully
+
+**/
+EFI_STATUS
+EFIAPI
+ConnectNvVarsToFileSystem (
+ IN EFI_HANDLE FsHandle
+ );
+
+#endif
+
|