From owner-freebsd-alpha Mon Jun 4 21:39:54 2001 Delivered-To: freebsd-alpha@freebsd.org Received: from beppo.feral.com (beppo.feral.com [192.67.166.79]) by hub.freebsd.org (Postfix) with ESMTP id BEC4D37B403 for ; Mon, 4 Jun 2001 21:39:51 -0700 (PDT) (envelope-from mjacob@feral.com) Received: from beppo (mjacob@beppo [192.67.166.79]) by beppo.feral.com (8.11.3/8.11.3) with ESMTP id f554dUg98636; Mon, 4 Jun 2001 21:39:31 -0700 (PDT) (envelope-from mjacob@feral.com) Date: Mon, 4 Jun 2001 21:39:30 -0700 (PDT) From: Matthew Jacob Reply-To: mjacob@feral.com To: Andrew Gallatin Cc: John Polstra , alpha@FreeBSD.ORG Subject: Re: SCSI devices settling and illegal request In-Reply-To: <15132.12522.204808.968943@grasshopper.cs.duke.edu> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-alpha@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org and tlsb/.... On Mon, 4 Jun 2001, Andrew Gallatin wrote: > > John Polstra writes: > > In article <15132.9197.86824.642979@grasshopper.cs.duke.edu>, > > Andrew Gallatin wrote: > > > > > > The only cards I've seen that give a hoot what hose they're on are > > > NCR/Sym cards. I suppose video cards would need to be on the zeroth > > > hose too.. > > > > OK, I give up. What's a "hose"? > > > > John > > Modern server-class alphas (such as DS20, xp1000, AS4100, AS4000, > AS1200, etc) may have totally separate PCI buses, with separate IO and > memory spaces. Like a normal bus, each of these can have ppbs to > child busses, etc. We call each collection of buses a hose. This > terminology comes from the SRM console. > > See sys/alpha/pci/tsunami_pci.c and sys/alpha/mcbus/mcpcia.c for two > examples. > > Drew > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-alpha" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message