From owner-freebsd-scsi Fri Mar 19 11:21:42 1999 Delivered-To: freebsd-scsi@freebsd.org Received: from sasami.jurai.net (sasami.jurai.net [207.153.65.3]) by hub.freebsd.org (Postfix) with ESMTP id 3435F14FED for ; Fri, 19 Mar 1999 11:21:31 -0800 (PST) (envelope-from winter@jurai.net) Received: from localhost (winter@localhost) by sasami.jurai.net (8.8.8/8.8.7) with SMTP id OAA23144; Fri, 19 Mar 1999 14:21:07 -0500 (EST) Date: Fri, 19 Mar 1999 14:21:06 -0500 (EST) From: "Matthew N. Dodd" To: "Justin T. Gibbs" Cc: scsi@FreeBSD.org Subject: Re: CAM entry point for SCSI-to-Ethernet device. In-Reply-To: <199903191848.LAA15363@narnia.plutotech.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Fri, 19 Mar 1999, Justin T. Gibbs wrote: > In CAM, multiple drivers may attach to the same underlying device (e.g > there is no special code to handle the 'pass' driver). So long as the > pt device is not 'active' the se driver shouldn't care a bit about > whether it has also attached to the cabeltron or not. Eventually, > there will be locking primitives available for you to claim exclusive > or shared access to the underlying device, but I haven't found the > time to write them yet. Ah, so at bootup I'll see: pt0 at dpt0 bus 0 target 5 lun 0 pt0: Fixed Processor SCSI-0 device se0 at dpt0 bus 0 target 5 lun 0 se0: SCSI to Ethernet se0: address 00:00:1d:0a:23:d0 Or somesuch? -- | Matthew N. Dodd | 78 280Z | 75 164E | 84 245DL | FreeBSD/NetBSD/Sprite/VMS | | winter@jurai.net | This Space For Rent | ix86,sparc,m68k,pmax,vax | | http://www.jurai.net/~winter | Are you k-rad elite enough for my webpage? | To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message