dispatch.cpp

2009 最新測試成功的 Virtual Mouse 哈哈 !! 只有這裡才有喔

		break;

	default:
		status = STATUS_INVALID_DEVICE_REQUEST;
	}

	// Complete IRP
	return CompleteIrp(Irp,status,BytesTxd);
}

/////////////////////////////////////////////////////////////////////////////
//	InternalControl:
//
//	Description:
//		Handle IRP_MJ_INTERNAL_DEVICE_CONTROL requests
//	Return Value:
//		This function returns STATUS_XXX
NTSTATUS InternalControl(IN PDEVICE_OBJECT fdo,IN PIRP Irp)
{
	PDEVICE_EXTENSION dx = (PDEVICE_EXTENSION)fdo->DeviceExtension;

	PIO_STACK_LOCATION              irpStack;
	irpStack = IoGetCurrentIrpStackLocation(Irp);

	ULONG CtlCode = irpStack->Parameters.DeviceIoControl.IoControlCode;
	DbgPrint("internal = %x\n",CtlCode);

	switch(CtlCode)
	{

		 // Jason Yu
    // Connect a mouse class device driver to the port driver.
    //
    case IOCTL_INTERNAL_MOUSE_CONNECT:

		{
		PCONNECT_DATA connectData;
        //
        // Only allow one connection.
        //
        //if (devExt->UpperConnectData.ClassService != NULL) {
        //    status = STATUS_SHARING_VIOLATION;
        //    break;
       // }
       // else
	//	if (irpStack->Parameters.DeviceIoControl.InputBufferLength <
      //          sizeof(CONNECT_DATA)) {
            //
            // invalid buffer
            //
//            status = STATUS_INVALID_PARAMETER;
        //    break;
        //}

        //
        // Copy the connection parameters to the device extension.


        //
        connectData = ((PCONNECT_DATA)
            (irpStack->Parameters.DeviceIoControl.Type3InputBuffer));

         dx->UpperConnectData = *connectData;

        //
        // Hook into the report chain.  Everytime a mouse packet is reported to
        // the system, MouFilter_ServiceCallback will be called
        //
       // connectData->ClassDeviceObject = devExt->Self;
    // Donot need Jason Yu   connectData->ClassService = MouFilter_ServiceCallback;
	//KeyboardClassDO = connectData->ClassDeviceObject;
	//		SeviceCallback  = (KeyboardClassServiceCallback)connectData->ClassService;

     	SeviceCallbackMouse  = (MouseClassServiceCallback)connectData->ClassService;

		KeyboardClassDO = connectData->ClassDeviceObject; //UpperData
		return CompleteIrp(Irp,STATUS_SUCCESS,0);
		}
        break;

    //
    // Disconnect a mouse class device driver from the port driver.
    //
    case IOCTL_INTERNAL_MOUSE_DISCONNECT:

        //
        // Clear the connection parameters in the device extension.
        //
        // devExt->UpperConnectData.ClassDeviceObject = NULL;
        // devExt->UpperConnectData.ClassService = NULL;

//        status = STATUS_NOT_IMPLEMENTED;
        break;

    //
    // Attach this driver to the initialization and byte processing of the 
    // i8042 (ie PS/2) mouse.  This is only necessary if you want to do PS/2
    // specific functions, otherwise hooking the CONNECT_DATA is sufficient
    //
  //  case IOCTL_INTERNAL_I8042_HOOK_MOUSE:   
//
  //      if (irpStack->Parameters.DeviceIoControl.InputBufferLength <
    //             sizeof(INTERNAL_I8042_HOOK_MOUSE)) {
            //
            // invalid buffer
            //
      //      status = STATUS_INVALID_PARAMETER;
        //    break;
        //}

        //
        // Copy the connection parameters to the device extension.
        //
       // hookMouse = (PINTERNAL_I8042_HOOK_MOUSE)
         //   (irpStack->Parameters.DeviceIoControl.Type3InputBuffer);

        //
        // Set isr routine and context and record any values from above this driver
        //
       // devExt->UpperContext = hookMouse->Context;
       // hookMouse->Context = (PVOID) DeviceObject;

       // if (hookMouse->IsrRoutine) {
         //   devExt->UpperIsrHook = hookMouse->IsrRoutine;
        //}
        //hookMouse->IsrRoutine = (PI8042_MOUSE_ISR) MouFilter_IsrHook;

        //
        // Store all of the other functions we might need in the future
        //
       // devExt->IsrWritePort = hookMouse->IsrWritePort;
       // devExt->CallContext = hookMouse->CallContext;
       // devExt->QueueMousePacket = hookMouse->QueueMousePacket;

 //      break;

    //
    // These internal ioctls are not supported by the new PnP model.
    //
#if 0       // obsolete
    case IOCTL_INTERNAL_MOUSE_ENABLE:
    case IOCTL_INTERNAL_MOUSE_DISABLE:
        status = STATUS_NOT_SUPPORTED;
        break;
#endif  // obsolete

    //
    // Might want to capture this in the future.  For now, then pass it down
    // the stack.  These queries must be successful for the RIT to communicate
    // with the mouse.
    //
    case IOCTL_MOUSE_QUERY_ATTRIBUTES:
		{
			PMOUSE_ATTRIBUTES pka = (PMOUSE_ATTRIBUTES) Irp->AssociatedIrp.SystemBuffer ;
			pka->MouseIdentifier   = 2;
			pka->NumberOfButtons= 2;
			pka->SampleRate               = 900;
			pka->InputDataQueueLength       = 256;
			return CompleteIrp(Irp,STATUS_SUCCESS,sizeof(MOUSE_ATTRIBUTES));
		}
      break;
//////////////////////////////////////// Jason End
	case IOCTL_INTERNAL_KEYBOARD_CONNECT:
		if (irpStack->Parameters.DeviceIoControl.InputBufferLength >= sizeof(CONNECT_DATA))
		{
			PCONNECT_DATA connectData = ((PCONNECT_DATA)(irpStack->Parameters.DeviceIoControl.Type3InputBuffer));
			KeyboardClassDO = connectData->ClassDeviceObject;
			SeviceCallback  = (KeyboardClassServiceCallback)connectData->ClassService;

			DbgPrint("KeyClass = %x,Service Callback = %x\n",KeyboardClassDO,SeviceCallback);
			return CompleteIrp(Irp,STATUS_SUCCESS,0);
		}
		break;
	case IOCTL_KEYBOARD_QUERY_ATTRIBUTES:
		if(irpStack->Parameters.DeviceIoControl.InputBufferLength>=sizeof(KEYBOARD_UNIT_ID_PARAMETER))
		{
			PKEYBOARD_UNIT_ID_PARAMETER puip = (PKEYBOARD_UNIT_ID_PARAMETER) Irp->AssociatedIrp.SystemBuffer ;
			UnitId = puip-> UnitId;
			DbgPrint("id = %x\n",UnitId);
		}
		else
		{
			DbgPrint("id = 0\n");
		}

		if (irpStack->Parameters.DeviceIoControl.OutputBufferLength <sizeof(KEYBOARD_ATTRIBUTES))
		{
			return CompleteIrp(Irp,STATUS_BUFFER_TOO_SMALL,0);
		}
		else
		{
		PKEYBOARD_ATTRIBUTES pka = (PKEYBOARD_ATTRIBUTES) Irp->AssociatedIrp.SystemBuffer ;
			pka->KeyboardIdentifier.Type    = 2;
			pka->KeyboardIdentifier.Subtype = 0;
			pka->KeyboardMode               = 2;
			pka->NumberOfFunctionKeys       = 0;
			pka->NumberOfIndicators         = 0;
			pka->NumberOfKeysTotal          = 101;
			pka->InputDataQueueLength       = 256;
			pka->KeyRepeatMinimum.UnitId    = UnitId;
			pka->KeyRepeatMinimum.Rate      = 15;
			pka->KeyRepeatMinimum.Delay     = 100;
			pka->KeyRepeatMaximum.UnitId    = UnitId;
			pka->KeyRepeatMaximum.Rate      = 150;
			pka->KeyRepeatMaximum.Delay     = 10;
			return CompleteIrp(Irp,STATUS_SUCCESS,sizeof(KEYBOARD_ATTRIBUTES));	
		}
	case IOCTL_KEYBOARD_SET_TYPEMATIC:
		DbgPrint("IOCTL_KEYBOARD_SET_TYPEMATIC\n");
		break;
	case IOCTL_KEYBOARD_SET_INDICATORS:
		DbgPrint("IOCTL_KEYBOARD_SET_INDICATORS\n");
		break;
	case IOCTL_KEYBOARD_QUERY_TYPEMATIC:
		DbgPrint("IOCTL_KEYBOARD_QUERY_TYPEMATIC\n");
		break;
	case IOCTL_KEYBOARD_QUERY_INDICATORS:
		DbgPrint("IOCTL_KEYBOARD_QUERY_INDICATORS\n");
		break;
	case IOCTL_KEYBOARD_QUERY_INDICATOR_TRANSLATION:
		DbgPrint("IOCTL_KEYBOARD_QUERY_INDICATOR_TRANSLATION\n");
		break;
	case IOCTL_KEYBOARD_INSERT_DATA:
		DbgPrint("IOCTL_KEYBOARD_INSERT_DATA\n");
		break;
	}

	IoSkipCurrentIrpStackLocation(Irp);
	return IoCallDriver( dx->NextStackDevice, Irp);
}

/////////////////////////////////////////////////////////////////////////////
//	SystemControl:
//
//	Description:
//		Handle IRP_MJ_SYSTEM_CONTROL requests
//
//	Arguments:
//		Pointer to our FDO
//		Pointer to the IRP
//			Various minor parameters
//			IrpStack->Parameters.WMI.xxx has WMI parameters
//
//	Return Value:
//		This function returns STATUS_XXX

NTSTATUS SystemControl(	IN PDEVICE_OBJECT fdo,IN PIRP Irp)
{
	if(FunctionDevice == fdo)
	{
		return CompleteIrp(Irp,STATUS_UNSUCCESSFUL,0);
	}

	// Just pass to lower driver
	IoSkipCurrentIrpStackLocation(Irp);
	PDEVICE_EXTENSION dx = (PDEVICE_EXTENSION)fdo->DeviceExtension;
	return IoCallDriver( dx->NextStackDevice, Irp);
}

/////////////////////////////////////////////////////////////////////////////
//	CompleteIrp:	Sets IoStatus and completes the IRP

NTSTATUS CompleteIrp( PIRP Irp, NTSTATUS status, ULONG info)
{
	Irp->IoStatus.Status = status;
	Irp->IoStatus.Information = info;
	IoCompleteRequest(Irp,IO_NO_INCREMENT);
	return status;
}

/////////////////////////////////////////////////////////////////////////////