audk/OvmfPkg/Library/QemuBootOrderLib/ExtraRootBusMap.h

41 lines
1.1 KiB
C

/** @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