OvmfPkg/Library/QemuBootOrderLib/ExtraRootBusMap.h

   1 /** @file
   2   Map positions of extra PCI root buses to bus numbers.
   3
   4   Copyright (C) 2015, Red Hat, Inc.
   5
   6   SPDX-License-Identifier: BSD-2-Clause-Patent
   7 **/
   8
   9 #ifndef __EXTRA_ROOT_BUS_MAP_H__
  10 #define __EXTRA_ROOT_BUS_MAP_H__
  11
  12 /**
  13   Incomplete ("opaque") data type implementing the map.
  14 **/
  15 typedef struct EXTRA_ROOT_BUS_MAP_STRUCT EXTRA_ROOT_BUS_MAP;
  16
  17 EFI_STATUS
  18 CreateExtraRootBusMap (
  19   OUT EXTRA_ROOT_BUS_MAP  **ExtraRootBusMap
  20   );
  21
  22 VOID
  23 DestroyExtraRootBusMap (
  24   IN EXTRA_ROOT_BUS_MAP  *ExtraRootBusMap
  25   );
  26
  27 EFI_STATUS
  28 MapRootBusPosToBusNr (
  29   IN  CONST EXTRA_ROOT_BUS_MAP  *ExtraRootBusMap,
  30   IN  UINT64                    RootBusPos,
  31   OUT UINT32                    *RootBusNr
  32   );
  33
  34 #endif