OvmfPkg/Library/QemuNewBootOrderLib/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   This program and the accompanying materials are licensed and made available
   7   under the terms and conditions of the BSD License which accompanies this
   8   distribution.  The full text of the license may be found at
   9   http://opensource.org/licenses/bsd-license.php
  10
  11   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
  12   WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13 **/
  14
  15 #ifndef __EXTRA_ROOT_BUS_MAP_H__
  16 #define __EXTRA_ROOT_BUS_MAP_H__
  17
  18 /**
  19   Incomplete ("opaque") data type implementing the map.
  20 **/
  21 typedef struct EXTRA_ROOT_BUS_MAP_STRUCT EXTRA_ROOT_BUS_MAP;
  22
  23 EFI_STATUS
  24 CreateExtraRootBusMap (
  25   OUT EXTRA_ROOT_BUS_MAP **ExtraRootBusMap
  26   );
  27
  28 VOID
  29 DestroyExtraRootBusMap (
  30   IN EXTRA_ROOT_BUS_MAP *ExtraRootBusMap
  31   );
  32
  33 EFI_STATUS
  34 MapRootBusPosToBusNr (
  35   IN  CONST EXTRA_ROOT_BUS_MAP *ExtraRootBusMap,
  36   IN  UINT64                   RootBusPos,
  37   OUT UINT32                   *RootBusNr
  38   );
  39
  40 #endif