Source code of Windows XP (NT5)
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/*++
Copyright (c) 1996 Microsoft Corporation
Module Name:
ioctl.c
Abstract: Human Input Device (HID) minidriver for Infrared (IR) devices
The HID IR Minidriver (HidIr) provides an abstraction layer for the
HID Class to talk to HID IR devices.
Author:
jsenior
Environment:
Kernel mode
Revision History:
--*/
#include "pch.h"
#ifdef ALLOC_PRAGMA
#pragma alloc_text(PAGE, HidIrSystemControl)
#endif
/*
************************************************************
* HidIrSystemControl
************************************************************
*
*/
NTSTATUS HidIrSystemControl(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
{
NTSTATUS status = STATUS_SUCCESS;
PIO_STACK_LOCATION thisStackLoc;
PAGED_CODE();
thisStackLoc = IoGetCurrentIrpStackLocation(Irp);
switch(thisStackLoc->Parameters.DeviceIoControl.IoControlCode){
default:
/*
* Note: do not return STATUS_NOT_SUPPORTED;
* If completing the IRP here,
* just keep the default status
* (this allows filter drivers to work).
*/
status = Irp->IoStatus.Status;
break;
}
IoCopyCurrentIrpStackLocationToNext(Irp);
status = IoCallDriver(GET_NEXT_DEVICE_OBJECT(DeviceObject), Irp);
return status;
}