From owner-freebsd-hardware Sun Jul 14 12:43:22 2002 Delivered-To: freebsd-hardware@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5287E37B405; Sun, 14 Jul 2002 12:42:39 -0700 (PDT) Received: from prometheus.vh.laserfence.net (prometheus.laserfence.net [196.44.73.116]) by mx1.FreeBSD.org (Postfix) with ESMTP id DD9C743E3B; Sun, 14 Jul 2002 12:42:35 -0700 (PDT) (envelope-from will@highveldcs.com) Received: from phoenix.vh.laserfence.net ([192.168.0.10]) by prometheus.vh.laserfence.net with esmtp (Exim 3.34 #1) id 17TpFs-0000w2-00; Sun, 14 Jul 2002 21:42:04 +0200 Date: Sun, 14 Jul 2002 21:42:04 +0200 (SAST) From: Willie Viljoen X-X-Sender: will@phoenix.vh.laserfence.net To: Thomas Quinot Cc: Andy Sparrow , , , Subject: Re: SCSI emulation in FreeBSD In-Reply-To: <20020714213802.A81207@melusine.cuivre.fr.eu.org> Message-ID: <20020714214054.V185-100000@phoenix.vh.laserfence.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=X-UNKNOWN Content-Transfer-Encoding: QUOTED-PRINTABLE Sender: owner-freebsd-hardware@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org Thomas, what I find very interesting is that it still works regardless of the commands that ATAPI don't understand, I know this is abit off topic, but would any hardware expert mind explaining? :) Will On Sun, 14 Jul 2002, Thomas Quinot wrote: > Le 2002-07-14, Willie Viljoen =E9crivait : > > > Just to follow up, I went back to -STABLE after discovering I don't nee= d > > -current to do this (*slight sigh of reliefe*) > > Yep, I do most ATAPI/CAM develoment on -STABLE machines. > > > Thomas, ever consider asking for it to be committed into FreeBSD proper= , > > atleast maybe into -current? > > This is being considered, but I am not the one who can make the decision > on this issue. If you'd like to see the code integrated into -CURRENT, > you should let S=F8ren know (sos@freebsd.org). > > > The code is really good IMHO. Those ILLEGAL_REQUEST warnings come from > > that ATA driver, and they shouldn't scare anybody, but for the really > > paranoid, I'm sure they could be eliminated by some extra options for t= he > > ata(4) driver to allow us to silence error output (Soren?) > > Well, the ATA driver just reports whatever error condition comes from > the drive. The real solution may involve modifying the SCSI device > drivers (cd/sa/da) so that they do not send commands that may not > work with specific targets, or filtering requests to translate them > into the restricted command set that ATAPI units support (this is > done in an ad hoc fasion in atapi-cam currently, but there is also > work in progress for a general command filtering framework in -CURRENT). > > Thomas. > > --=20 Willie Viljoen Highveld Computing Solutions 214 Paul Kruger Avenue Universitas Bloemfontein 9321 South Africa +27 51 522 15 60, a/h +27 51 522 44 36 +27 82 404 03 27 will@highveldcs.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message