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106 lines
3.7 KiB
C
106 lines
3.7 KiB
C
/*
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* PROJECT: ReactOS VT100 emulator
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: drivers/base/green/dispatch.c
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* PURPOSE: Dispatch routines
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* PROGRAMMERS: Copyright 2005-2006 Hervé Poussineau (hpoussin@reactos.org)
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*/
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#include "green.h"
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#define NDEBUG
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#include <debug.h>
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NTSTATUS NTAPI
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GreenDispatch(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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ULONG MajorFunction;
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GREEN_DEVICE_TYPE DeviceType;
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ULONG_PTR Information;
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NTSTATUS Status;
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MajorFunction = IoGetCurrentIrpStackLocation(Irp)->MajorFunction;
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DeviceType = ((PCOMMON_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->Type;
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Information = Irp->IoStatus.Information;
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Status = Irp->IoStatus.Status;
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DPRINT("Dispatching major function 0x%lx, DeviceType %u\n",
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MajorFunction, DeviceType);
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if (DeviceType == PassThroughFDO)
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{
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IoSkipCurrentIrpStackLocation(Irp);
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return IoCallDriver(((PCOMMON_FDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->LowerDevice, Irp);
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}
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else if (MajorFunction == IRP_MJ_CREATE && (DeviceType == GreenFDO || DeviceType == KeyboardPDO || DeviceType == ScreenPDO))
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return GreenCreate(DeviceObject, Irp);
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else if (MajorFunction == IRP_MJ_CLOSE && (DeviceType == GreenFDO || DeviceType == KeyboardPDO || DeviceType == ScreenPDO))
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return GreenClose(DeviceObject, Irp);
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else if ((MajorFunction == IRP_MJ_CREATE || MajorFunction == IRP_MJ_CLOSE || MajorFunction == IRP_MJ_CLEANUP)
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&& (DeviceType == KeyboardFDO || DeviceType == ScreenFDO))
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{
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IoSkipCurrentIrpStackLocation(Irp);
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return IoCallDriver(((PCOMMON_FDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->LowerDevice, Irp);
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}
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else if (MajorFunction == IRP_MJ_INTERNAL_DEVICE_CONTROL && DeviceType == GreenFDO)
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{
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return KeyboardInternalDeviceControl(
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((PGREEN_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->KeyboardFdo,
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Irp);
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}
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else if (MajorFunction == IRP_MJ_INTERNAL_DEVICE_CONTROL && DeviceType == KeyboardFDO)
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return KeyboardInternalDeviceControl(DeviceObject, Irp);
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else if (MajorFunction == IRP_MJ_DEVICE_CONTROL && DeviceType == GreenFDO)
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{
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return ScreenDeviceControl(
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((PGREEN_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->ScreenFdo,
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Irp);
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}
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else if (MajorFunction == IRP_MJ_DEVICE_CONTROL && DeviceType == ScreenFDO)
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return ScreenDeviceControl(DeviceObject, Irp);
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else if (MajorFunction == IRP_MJ_WRITE && DeviceType == ScreenFDO)
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return ScreenWrite(DeviceObject, Irp);
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else if (MajorFunction == IRP_MJ_PNP && (DeviceType == KeyboardFDO || DeviceType == ScreenFDO))
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{
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IoSkipCurrentIrpStackLocation(Irp);
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return IoCallDriver(((PCOMMON_FDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->LowerDevice, Irp);
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}
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else if (MajorFunction == IRP_MJ_PNP && (DeviceType == GreenFDO || DeviceType == KeyboardPDO || DeviceType == ScreenPDO))
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return GreenPnp(DeviceObject, Irp);
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else if (MajorFunction == IRP_MJ_POWER && DeviceType == GreenFDO)
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return GreenPower(DeviceObject, Irp);
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else
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{
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DPRINT1("Unknown combination: MajorFunction 0x%lx, DeviceType %d\n",
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MajorFunction, DeviceType);
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switch (DeviceType)
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{
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case KeyboardFDO:
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case ScreenFDO:
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{
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IoSkipCurrentIrpStackLocation(Irp);
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return IoCallDriver(((PCOMMON_FDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->LowerDevice, Irp);
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}
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case GreenFDO:
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{
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PDRIVER_OBJECT DriverObject;
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PGREEN_DRIVER_EXTENSION DriverExtension;
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DriverObject = DeviceObject->DriverObject;
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DriverExtension = IoGetDriverObjectExtension(DriverObject, DriverObject);
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IoSkipCurrentIrpStackLocation(Irp);
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return IoCallDriver(DriverExtension->LowerDevice, Irp);
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}
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default:
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ASSERT(FALSE);
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}
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}
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Irp->IoStatus.Information = Information;
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Irp->IoStatus.Status = Status;
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IoCompleteRequest (Irp, IO_NO_INCREMENT);
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return Status;
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}
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