Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261384AbVELKDC (ORCPT ); Thu, 12 May 2005 06:03:02 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261386AbVELKDC (ORCPT ); Thu, 12 May 2005 06:03:02 -0400 Received: from coyote.holtmann.net ([217.160.111.169]:46000 "EHLO mail.holtmann.net") by vger.kernel.org with ESMTP id S261384AbVELKCw (ORCPT ); Thu, 12 May 2005 06:02:52 -0400 Subject: Re: ioctl to keyboard device file From: Marcel Holtmann To: "P.Manohar" Cc: Linux Kernel Mailing List In-Reply-To: References: <1115831651.23458.74.camel@pegasus> <1115834000.23458.77.camel@pegasus> Content-Type: text/plain Date: Thu, 12 May 2005 12:01:31 +0200 Message-Id: <1115892091.18499.17.camel@pegasus> Mime-Version: 1.0 X-Mailer: Evolution 2.2.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1649 Lines: 45 Hi, > >>>> I want to add a new ioctl to keyboard driver device file which will > >>>> perform the work of copying user space data sent to it into kernel > >>>> space and send those characters to handle_scancode function of keyboard > >>>> driver.. Now I want to know > >>>> > >>>> 1) what is the device file corresponding to keyboard (is it > >>>> /dev/input/keyboard). > >>>> 2) where file operations structure is defined for that. > >>>> 3) where the those ioctls handled(not found in keyboard.c). > >>>> > >>>> Any small help is appreciated. > >>> > >>> why not using uinput for this job? > >> > >> Thanks for the solution. I did the above task, by defining a new > >> character device driver and sending ioctl to it. and calling > >> handle_scancode from it. Now I want > >> to do the same task with in the keyboard driver. For that I need to send > >> ioctl to keyboard device file. > >> For that only I asked the > >> above doubts. > > > > what your are trying to do looks wrong to me. Why don't you use uinput. > > It is there and it is the correct thing for the job. > > > > Can u pl. tell what uinput will do, > Can u have any idea about the way That I want it to do. with uinput you can write your own input driver (keyboards, mice etc.) in the userspace. So you create a keyboard device driven by uinput and feed your key strokes from the other machine to it. Regards Marcel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/