1 files changed, 59 insertions, 0 deletions
diff --git a/OvmfPkg/PlatformDxe/PlatformConfig.h b/OvmfPkg/PlatformDxe/PlatformConfig.h
new file mode 100644
index 0000000000..3fd6982566
--- /dev/null
+++ b/OvmfPkg/PlatformDxe/PlatformConfig.h
@@ -0,0 +1,59 @@
+/** @file
+
+  Utility functions for serializing (persistently storing) and deserializing
+  OVMF's platform configuration.
+
+  Copyright (C) 2014, Red Hat, Inc.
+
+  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 _PLATFORM_CONFIG_H_
+#define _PLATFORM_CONFIG_H_
+
+#include <Base.h>
+
+//
+// This structure participates in driver configuration. It does not
+// (necessarily) reflect the wire format in the persistent store.
+//
+#pragma pack(1)
+typedef struct {
+  //
+  // preferred graphics console resolution when booting
+  //
+  UINT32 HorizontalResolution;
+  UINT32 VerticalResolution;
+} PLATFORM_CONFIG;
+#pragma pack()
+
+//
+// Please see the API documentation near the function definitions.
+//
+EFI_STATUS
+EFIAPI
+PlatformConfigSave (
+  IN PLATFORM_CONFIG *PlatformConfig
+  );
+
+EFI_STATUS
+EFIAPI
+PlatformConfigLoad (
+  OUT PLATFORM_CONFIG *PlatformConfig,
+  OUT UINT64          *OptionalElements
+  );
+
+//
+// Feature flags for OptionalElements.
+//
+#define PLATFORM_CONFIG_F_GRAPHICS_RESOLUTION BIT0
+#define PLATFORM_CONFIG_F_DOWNGRADE           BIT63
+
+#endif // _PLATFORM_CONFIG_H_