reactos/drivers/input/sermouse/internaldevctl.c

83 lines
2.2 KiB
C

/*
* PROJECT: ReactOS Serial mouse driver
* LICENSE: GPL - See COPYING in the top level directory
* FILE: drivers/input/sermouse/fdo.c
* PURPOSE: IRP_MJ_INTERNAL_DEVICE_CONTROL operations
* PROGRAMMERS: Copyright 2005-2006 Hervé Poussineau (hpoussin@reactos.org)
*/
#include "sermouse.h"
#include <debug.h>
NTSTATUS NTAPI
SermouseInternalDeviceControl(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
PSERMOUSE_DEVICE_EXTENSION DeviceExtension;
PIO_STACK_LOCATION Stack;
NTSTATUS Status;
DeviceExtension = (PSERMOUSE_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
Stack = IoGetCurrentIrpStackLocation(Irp);
switch (Stack->Parameters.DeviceIoControl.IoControlCode)
{
case IOCTL_INTERNAL_MOUSE_CONNECT:
{
TRACE_(SERMOUSE, "IRP_MJ_INTERNAL_DEVICE_CONTROL / IOCTL_INTERNAL_MOUSE_CONNECT\n");
DeviceExtension->ConnectData =
*((PCONNECT_DATA)Stack->Parameters.DeviceIoControl.Type3InputBuffer);
Status = STATUS_SUCCESS;
break;
}
case IOCTL_INTERNAL_MOUSE_DISCONNECT:
{
TRACE_(SERMOUSE, "IRP_MJ_INTERNAL_DEVICE_CONTROL / IOCTL_INTERNAL_MOUSE_DISCONNECT\n");
/* Ask read loop to end */
KeSetEvent(&DeviceExtension->StopWorkerThreadEvent, (KPRIORITY)0, FALSE);
Status = STATUS_SUCCESS;
break;
}
case IOCTL_MOUSE_QUERY_ATTRIBUTES:
{
TRACE_(SERMOUSE, "IRP_MJ_INTERNAL_DEVICE_CONTROL / IOCTL_MOUSE_QUERY_ATTRIBUTES\n");
if (Stack->Parameters.DeviceIoControl.OutputBufferLength >= sizeof(MOUSE_ATTRIBUTES))
{
*(PMOUSE_ATTRIBUTES)Irp->AssociatedIrp.SystemBuffer =
DeviceExtension->AttributesInformation;
Irp->IoStatus.Information = sizeof(MOUSE_ATTRIBUTES);
Status = STATUS_SUCCESS;
}
else
{
Status = STATUS_BUFFER_TOO_SMALL;
}
break;
}
default:
{
WARN_(SERMOUSE, "IRP_MJ_INTERNAL_DEVICE_CONTROL / unknown ioctl code 0x%lx\n",
Stack->Parameters.DeviceIoControl.IoControlCode);
ASSERT(FALSE);
Status = STATUS_INVALID_DEVICE_REQUEST;
break;
}
}
Irp->IoStatus.Status = Status;
if (Status == STATUS_PENDING)
{
IoMarkIrpPending(Irp);
IoStartPacket(DeviceObject, Irp, NULL, NULL);
}
else
{
IoCompleteRequest(Irp, IO_NO_INCREMENT);
}
return Status;
}