diff options
Diffstat (limited to 'MdeModulePkg/Bus/Pci/PciBusDxe/PciLib.h')
-rw-r--r-- | MdeModulePkg/Bus/Pci/PciBusDxe/PciLib.h | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciLib.h b/MdeModulePkg/Bus/Pci/PciBusDxe/PciLib.h index 87a846376f..6c2ade3f36 100644 --- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciLib.h +++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciLib.h @@ -1,7 +1,7 @@ /** @file
Internal library declaration for PCI Bus module.
-Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
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
@@ -75,6 +75,27 @@ PciHostBridgeResourceAllocator ( );
/**
+ Allocate NumberOfBuses buses and return the next available PCI bus number.
+
+ @param Bridge Bridge device instance.
+ @param StartBusNumber Current available PCI bus number.
+ @param NumberOfBuses Number of buses enumerated below the StartBusNumber.
+ @param NextBusNumber Next available PCI bus number.
+
+ @retval EFI_SUCCESS Available bus number resource is enough. Next available PCI bus number
+ is returned in NextBusNumber.
+ @retval EFI_OUT_OF_RESOURCES Available bus number resource is not enough for allocation.
+
+**/
+EFI_STATUS
+PciAllocateBusNumber (
+ IN PCI_IO_DEVICE *Bridge,
+ IN UINT8 StartBusNumber,
+ IN UINT8 NumberOfBuses,
+ OUT UINT8 *NextBusNumber
+ );
+
+/**
Scan pci bus and assign bus number to the given PCI bus system.
@param Bridge Bridge device instance.
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