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75 lines
2 KiB
C
75 lines
2 KiB
C
/*
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* PROJECT: ReactOS PCI Bus Driver
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* LICENSE: BSD - See COPYING.ARM in the top level directory
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* FILE: drivers/bus/pci/intrface/agpintrf.c
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* PURPOSE: AGP Interface
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* PROGRAMMERS: ReactOS Portable Systems Group
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*/
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/* INCLUDES *******************************************************************/
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#include <pci.h>
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#include <ntagp.h>
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#define NDEBUG
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#include <debug.h>
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/* GLOBALS ********************************************************************/
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PCI_INTERFACE AgpTargetInterface =
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{
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&GUID_AGP_TARGET_BUS_INTERFACE_STANDARD,
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sizeof(AGP_BUS_INTERFACE_STANDARD),
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AGP_BUS_INTERFACE_V1,
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AGP_BUS_INTERFACE_V1,
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PCI_INTERFACE_PDO,
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0,
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PciInterface_AgpTarget,
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agpintrf_Constructor,
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agpintrf_Initializer
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};
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/* FUNCTIONS ******************************************************************/
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NTSTATUS
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NTAPI
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agpintrf_Initializer(IN PVOID Instance)
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{
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UNREFERENCED_PARAMETER(Instance);
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/* PnP Interfaces don't get Initialized */
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ASSERTMSG("PCI agpintrf_Initializer, unexpected call.\n", FALSE);
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return STATUS_UNSUCCESSFUL;
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}
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NTSTATUS
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NTAPI
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agpintrf_Constructor(IN PVOID DeviceExtension,
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IN PVOID Instance,
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IN PVOID InterfaceData,
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IN USHORT Version,
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IN USHORT Size,
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IN PINTERFACE Interface)
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{
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PPCI_PDO_EXTENSION PdoExtension = (PPCI_PDO_EXTENSION)DeviceExtension;
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UNREFERENCED_PARAMETER(Instance);
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UNREFERENCED_PARAMETER(InterfaceData);
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UNREFERENCED_PARAMETER(Version);
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UNREFERENCED_PARAMETER(Size);
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UNREFERENCED_PARAMETER(Interface);
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/* Only AGP bridges are supported (which are PCI-to-PCI Bridge Devices) */
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if ((PdoExtension->BaseClass != PCI_CLASS_BRIDGE_DEV) ||
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(PdoExtension->SubClass != PCI_SUBCLASS_BR_PCI_TO_PCI))
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{
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/* Fail any other PDO */
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return STATUS_NOT_SUPPORTED;
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}
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/* Not yet implemented */
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UNIMPLEMENTED_DBGBREAK();
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return STATUS_NOT_IMPLEMENTED;
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}
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/* EOF */
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