OvmfPkg: Add SerializeVariablesLib library instance

This library implements the library class interface defined at:
OvmfPkg/Include/Library/SerializeVariablesLib.h

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11285 6f19259b-4bc3-4df7-8a09-765794883524

OvmfPkg/Library/SerializeVariablesLib/SerializeVariablesLib.h

@@ -0,0 +1,39 @@
+/** @file
+  Serialize Variables Library implementation
+
+  Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
+  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 __SERIALIZE_VARIABLES_LIB_INSTANCE__
+#define __SERIALIZE_VARIABLES_LIB_INSTANCE__
+
+#include <Uefi.h>
+
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/SerializeVariablesLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+
+#define SV_FROM_HANDLE(a)       CR (a, SV_INSTANCE, Signature, SV_SIGNATURE)
+#define SV_SIGNATURE            SIGNATURE_32 ('S', 'V', 'A', 'R')
+
+typedef struct {
+  UINT32                              Signature;
+  VOID                                *BufferPtr;
+  UINTN                               BufferSize;
+  UINTN                               DataSize;
+} SV_INSTANCE;
+
+#endif
+