From owner-freebsd-current@FreeBSD.ORG  Mon Nov 29 01:36:04 2004
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id ED20F16A4CE
	for <freebsd-current@freebsd.org>;
	Mon, 29 Nov 2004 01:36:04 +0000 (GMT)
Received: from pooker.samsco.org (pooker.samsco.org [168.103.85.57])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 85FC843D39
	for <freebsd-current@freebsd.org>;
	Mon, 29 Nov 2004 01:36:04 +0000 (GMT)
	(envelope-from scottl@freebsd.org)
Received: from [192.168.254.11] (junior-wifi.samsco.home [192.168.254.11])
	(authenticated bits=0)
	by pooker.samsco.org (8.12.11/8.12.10) with ESMTP id iAT1dNLI098571;
	Sun, 28 Nov 2004 18:39:23 -0700 (MST)
	(envelope-from scottl@freebsd.org)
Message-ID: <41AA7D1E.2090806@freebsd.org>
Date: Sun, 28 Nov 2004 18:36:30 -0700
From: Scott Long <scottl@freebsd.org>
User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.2) Gecko/20040929
X-Accept-Language: en-us, en
MIME-Version: 1.0
To: "Wilkinson, Alex" <alex.wilkinson@dsto.defence.gov.au>
References: <20041129010130.GB8939@squash.dsto.defence.gov.au>
In-Reply-To: <20041129010130.GB8939@squash.dsto.defence.gov.au>
X-Enigmail-Version: 0.86.1.0
X-Enigmail-Supports: pgp-inline, pgp-mime
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
X-Spam-Status: No, hits=0.0 required=3.8 tests=none autolearn=no version=2.63
X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on pooker.samsco.org
cc: freebsd-current@freebsd.org
Subject: Re: ata vs atapicam ?
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 29 Nov 2004 01:36:05 -0000

Wilkinson, Alex wrote:
> Hi all,
> 
> Question: Now that we can manage ATA devs via the CAM layer
>           [atapicam(4)], I would like to ask: what is the point 
>           and benefit of doing so ?
> 
>   - aW
> 
> _______________________________________________
> freebsd-current@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"

ATA devices cannot be managed via CAM, only ATAPI devices.  However,
this is useful for the plethora of applications that want to talk to
CDROMs via SCSI commands (and the MMC part of the ATAPI spec is just
striped-down SCSI anyways).

Scott