reactos/rosapps/drivers/green/dispatch.c

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