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