historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/roms/edk2/OvmfPkg/Library/QemuBootOrderLib/ExtraRootBusMap.h
2024-01-16 11:20:27 -06:00

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/** @file
Map positions of extra PCI root buses to bus numbers.
Copyright (C) 2015, Red Hat, Inc.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#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