1 files changed, 40 insertions, 0 deletions
diff --git a/OvmfPkg/Library/QemuBootOrderLib/ExtraRootBusMap.h b/OvmfPkg/Library/QemuBootOrderLib/ExtraRootBusMap.h
new file mode 100644
index 0000000000..e2dbc38ed8
--- /dev/null
+++ b/OvmfPkg/Library/QemuBootOrderLib/ExtraRootBusMap.h
@@ -0,0 +1,40 @@
+/** @file
+  Map positions of extra PCI root buses to bus numbers.
+
+  Copyright (C) 2015, 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 __EXTRA_ROOT_BUS_MAP_H__
+#define __EXTRA_ROOT_BUS_MAP_H__
+
+/**
+  Incomplete ("opaque") data type implementing the map.
+**/
+typedef struct EXTRA_ROOT_BUS_MAP_STRUCT EXTRA_ROOT_BUS_MAP;
+
+EFI_STATUS
+CreateExtraRootBusMap (
+  OUT EXTRA_ROOT_BUS_MAP **ExtraRootBusMap
+  );
+
+VOID
+DestroyExtraRootBusMap (
+  IN EXTRA_ROOT_BUS_MAP *ExtraRootBusMap
+  );
+
+EFI_STATUS
+MapRootBusPosToBusNr (
+  IN  CONST EXTRA_ROOT_BUS_MAP *ExtraRootBusMap,
+  IN  UINT64                   RootBusPos,
+  OUT UINT32                   *RootBusNr
+  );
+
+#endif