From owner-freebsd-scsi@FreeBSD.ORG  Wed Aug  6 12:14:20 2003
Return-Path: <owner-freebsd-scsi@FreeBSD.ORG>
Delivered-To: freebsd-scsi@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP
	id 7D24537B401; Wed,  6 Aug 2003 12:14:20 -0700 (PDT)
Received: from aslan.scsiguy.com (mail.scsiguy.com [63.229.232.106])
	by mx1.FreeBSD.org (Postfix) with ESMTP
	id 819A343FB1; Wed,  6 Aug 2003 12:14:19 -0700 (PDT)
	(envelope-from gibbs@scsiguy.com)
Received: from aslan.scsiguy.com (aslan.scsiguy.com [63.229.232.106])
	by aslan.scsiguy.com (8.12.9/8.12.8) with ESMTP id h76JEJEU070611;
	Wed, 6 Aug 2003 13:14:19 -0600 (MDT)
	(envelope-from gibbs@scsiguy.com)
Date: Wed, 06 Aug 2003 13:14:19 -0600
From: "Justin T. Gibbs" <gibbs@scsiguy.com>
To: Don Bowman <don@sandvine.com>,
	"'Scott'" <scottl@pooker.samsco.home>, Nate Lawson <nate@root.org>
Message-ID: <1764740000.1060197259@aslan.scsiguy.com>
In-Reply-To: <FE045D4D9F7AED4CBFF1B3B813C8533702742171@mail.sandvine.com>
References: <FE045D4D9F7AED4CBFF1B3B813C8533702742171@mail.sandvine.com>
X-Mailer: Mulberry/3.0.3 (Linux/x86)
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
cc: "'freebsd-scsi@freebsd.org'" <freebsd-scsi@freebsd.org>
cc: "'aic7xxx@freebsd.org'" <aic7xxx@freebsd.org>
Subject: RE: Ongoing U320 AIC7902 Seagate ST318453LW issues, SCB timed out
X-BeenThere: freebsd-scsi@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: SCSI subsystem <freebsd-scsi.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-scsi>,
	<mailto:freebsd-scsi-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-scsi>
List-Post: <mailto:freebsd-scsi@freebsd.org>
List-Help: <mailto:freebsd-scsi-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-scsi>,
	<mailto:freebsd-scsi-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 06 Aug 2003 19:14:20 -0000

>> I'll go out on a limb and suggest 'kern.cam.da%d.max_tags" or 
>> something
>> similar, as this will be useful for more than just the Adaptec chip.
> 
> OK, you guys are exceeding my knowledge :)
> 
> cam_sim_alloc() seems to be the fn that ahd_attach() calls
> that sets this.

That just sets it on a per-controller basis.  You could also control
it on a per device basis by modifying the code in cam_periph.c that
handles peripheral driver instances.  Support for both should be
pretty easy to add and both have their uses.

--
Justin