From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Lord Subject: Re: Problem with ata layer in 2.6.24 Date: Tue, 29 Jan 2008 19:19:38 -0500 Message-ID: <479FC29A.1000207@rtr.ca> References: <200801272122.21823.gene.heskett@gmail.com> <200801291204.44671.gene.heskett@gmail.com> <20080129185445.1c7d3a83@core> <200801291741.50192.gene.heskett@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from rtr.ca ([76.10.145.34]:3116 "EHLO mail.rtr.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752723AbYA3ATn (ORCPT ); Tue, 29 Jan 2008 19:19:43 -0500 In-Reply-To: <200801291741.50192.gene.heskett@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Gene Heskett Cc: Alan Cox , Mikael Pettersson , Richard Heck , Daniel Barkalow , Zan Lynx , Calvin Walton , Linux Kernel Mailing List , Linux ide Mailing list Gene Heskett wrote: > > I doubt libata has that capability now, or ever will, cuz these ide/atapi > devices are generally dumber than rocks about that. But any device claiming > to be scsi-II is supposed to be able to do those sorts of things while the > cpu is off crunching numbers for BOINC or whatever. .. The CD/DVD drives all all "MMC" devices internally, which means they speak a SCSI command protocol. Regardless of the electrical or optical interface. Linux is software, and the software protocol is exactly the same for them, no matter what the cable/bus type happens to be. Cheers