From owner-freebsd-current Wed Mar 3 13:39:45 1999 Delivered-To: freebsd-current@freebsd.org Received: from freebsd.dk (freebsd.dk [212.242.42.178]) by hub.freebsd.org (Postfix) with ESMTP id 3B7CC14F6F for ; Wed, 3 Mar 1999 13:39:37 -0800 (PST) (envelope-from sos@freebsd.dk) Received: (from sos@localhost) by freebsd.dk (8.9.1/8.9.1) id WAA87802; Wed, 3 Mar 1999 22:39:01 +0100 (CET) (envelope-from sos) From: Søren Schmidt Message-Id: <199903032139.WAA87802@freebsd.dk> Subject: Re: CALL FOR TESTERS of new ATA/ATAPI driver.. In-Reply-To: <19990303215033.47794@breizh.teaser.fr> from Nicolas Souchu at "Mar 3, 1999 9:50:33 pm" To: nsouch@teaser.fr (Nicolas Souchu) Date: Wed, 3 Mar 1999 22:39:01 +0100 (CET) Cc: current@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL43 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG It seems Nicolas Souchu wrote: > > What would you think of parallel port devices? Would it be easy > to make the new ATAPI stuff work with ppbus? I especially think > about the HP7200 CD-RW which has certainly hard real-time constraints > to burn a CD. Hmm, you have any docs on how to talk to such a beast ?? Does it use the "tailgate" protocol I've seen references to ?? It should be possible to make the system support multiple HW interface backends, although it will have some major impact on the current code, I think it could be worth it if there is a standard to follow. > >It doesn't have the excessive wait problem on probe, in fact you > >shouldn't notice any delay when your devices are getting probed. > > > >Probing and attaching of devices are postponed until interrupts > >are enabled (well almost, not finished yet for disks), making > >things alot cleaner. > > Really good work. I'll give it a try this week-end. Thanks, and let me now how it works out.. -Søren To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message