From owner-freebsd-current@FreeBSD.ORG Wed May 18 17:30:25 2005 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3356916A4D0 for ; Wed, 18 May 2005 17:30:25 +0000 (GMT) Received: from mailgate1b.savvis.net (mailgate1b.savvis.net [216.91.182.6]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8BE3D43D41 for ; Wed, 18 May 2005 17:30:24 +0000 (GMT) (envelope-from Maksim.Yevmenkin@savvis.net) Received: from localhost (localhost.localdomain [127.0.0.1]) by mailgate1b.savvis.net (Postfix) with ESMTP id B18723BFAB for ; Wed, 18 May 2005 12:30:17 -0500 (CDT) Received: from mailgate1b.savvis.net ([127.0.0.1]) by localhost (mailgate1b.savvis.net [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 06253-01-72 for ; Wed, 18 May 2005 12:30:17 -0500 (CDT) Received: from out002.email.savvis.net (out002.apptix.savvis.net [216.91.32.45]) by mailgate1b.savvis.net (Postfix) with ESMTP id 7F90C3BF92 for ; Wed, 18 May 2005 12:30:17 -0500 (CDT) Received: from s228130hz1ew031.apptix-01.savvis.net ([10.146.4.28]) by out002.email.savvis.net with Microsoft SMTPSVC(6.0.3790.211); Wed, 18 May 2005 12:30:12 -0500 Received: from [10.254.186.111] ([66.35.239.94]) by s228130hz1ew031.apptix-01.savvis.net with Microsoft SMTPSVC(6.0.3790.211); Wed, 18 May 2005 12:30:02 -0500 Message-ID: <428B7B99.7080206@savvis.net> Date: Wed, 18 May 2005 10:30:01 -0700 From: Maksim Yevmenkin User-Agent: Mozilla Thunderbird 1.0.2 (X11/20050404) X-Accept-Language: en-us, en MIME-Version: 1.0 To: freebsd-current@freebsd.org References: <4288EBEA.5030701@savvis.net> <428A5A58.6010601@savvis.net> In-Reply-To: <428A5A58.6010601@savvis.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 18 May 2005 17:30:02.0356 (UTC) FILETIME=[390EDB40:01C55BCF] X-Virus-Scanned: amavisd-new at savvis.net Subject: Re: keyboard mux driver (straw man proposal & code) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 18 May 2005 17:30:25 -0000 and yet another reply to myself :) i found few problems with the code and i'm going to fix them. max Maksim Yevmenkin wrote: > replying to myself :) > > also bcc to folks who might be interested (mostly from vkbd(4) discussion). > > i have changed the proposed kbdmux code a bit. basically auxiliary > device interface is gone. there can only be one kbdmux. it is no longer > required to keep kbdmux control device open. so, right now its pretty > much pure keyboard driver. i have also updated test program (works for > me in console mode). > > http://www.geocities.com/m_evmenkin/kbdmux-1.tar.gz (~6K) > > the code also on freefall in my home directory > (emax@freefall:kbdmux-1.tar.gz). > > thanks, > max > > Maksim Yevmenkin wrote: > >> dear hackers, >> >> i'd like to follow up on keyboard mux driver discussion with some >> code. please dont start jumping up and down just yet :) this is a >> "straw man" code and everyone is welcome to beat the heck out of it. >> >> basically the code is based on vkbd(4) and the idea that was discussed >> long time ago - create a "super" keyboard that consumes all other >> keyboards in the system. the code creates a "super" kbdmux keyboard. >> using new special ioctl's one can add multiple keyboards to the mux. >> then one simple switches the current keyboard to the kbdmux keyboard. >> >> as you can see it is not usable from the kernel just yet, but i have >> managed to create a mux with two vkbd's and it worked (please see >> kbdmux_test.c program). >> >> the questions that i wanted to ask >> >> 1) is this good enough abstraction for the keyboard mux? can anyone >> think of anything that would not work with this model? >> >> 2) should we decide to make this usable from the kernel, what is the >> best way to do it? >> >> 3) did i miss anything? please tell me if i did! :) >> >> the code can be downloaded from >> >> http://www.geocities.com/m_evmenkin/kbdmux.tar.gz (~7K) >> >> i also put it in my home directory on freefall. >> >> thanks, >> max >> _______________________________________________ >> freebsd-current@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-current >> To unsubscribe, send any mail to >> "freebsd-current-unsubscribe@freebsd.org" > > >