From owner-freebsd-hardware Mon Mar 30 12:38:44 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id MAA15438 for freebsd-hardware-outgoing; Mon, 30 Mar 1998 12:38:44 -0800 (PST) (envelope-from owner-freebsd-hardware@FreeBSD.ORG) Received: from pluto.plutotech.com (mail.plutotech.com [206.168.67.137]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id MAA15272 for ; Mon, 30 Mar 1998 12:38:10 -0800 (PST) (envelope-from gibbs@plutotech.com) Received: from narnia.plutotech.com (narnia.plutotech.com [206.168.67.130]) by pluto.plutotech.com (8.8.7/8.8.5) with ESMTP id NAA17226; Mon, 30 Mar 1998 13:37:03 -0700 (MST) Message-Id: <199803302037.NAA17226@pluto.plutotech.com> X-Mailer: exmh version 2.0.1 12/23/97 To: Mike Smith cc: "Justin T. Gibbs" , Andre Albsmeier , hardware@FreeBSD.ORG Subject: Re: Tagged SCSI In-reply-to: Your message of "Mon, 30 Mar 1998 11:57:21 PST." <199803301957.LAA01184@dingo.cdrom.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Mon, 30 Mar 1998 13:33:36 -0700 From: "Justin T. Gibbs" Sender: owner-freebsd-hardware@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org >> > I think this is the entry SD_Q_NO_TAGS in scsiconf.c, right? >> >> Only the NCR driver uses it. All drivers in the CAM SCSI layer >> honor these quirks, however, as the transport layer, not the controller >> driver, dictates tag policy. > >This would explain why my adding this quirk entry doesn't help Jaz >drives hung off Adaptec controllers. Is it possible to disable TCQ >using the card configuration, or are we SOL with this combination? You could add code to honor the quirk to the Adaptec driver. It shouldn't be too hard. Take a look in i386/scsi/aic7xxx.c:ahc_done(). -- Justin To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message