From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jens Axboe Subject: Re: NCQ general question Date: Wed, 1 Mar 2006 19:53:13 +0100 Message-ID: <20060301185312.GI4816@suse.de> References: <5d96567b0602282304o558fb564jd72784bafdd289f5@mail.gmail.com> <440561CB.30201@yahoo.de> <4405A656.1030602@rtr.ca> <4405C41F.5060504@yahoo.de> <20060301160554.GD4816@suse.de> <4405C9CA.9020500@pobox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from ns.virtualhost.dk ([195.184.98.160]:39284 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id S932096AbWCASxk (ORCPT ); Wed, 1 Mar 2006 13:53:40 -0500 Content-Disposition: inline In-Reply-To: <4405C9CA.9020500@pobox.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Jeff Garzik Cc: Gentoopower , Mark Lord , "Raz Ben-Jehuda(caro)" , Linux RAID Mailing List , "linux-ide@vger.kernel.org" On Wed, Mar 01 2006, Jeff Garzik wrote: > Jens Axboe wrote: > >On Wed, Mar 01 2006, Gentoopower wrote: > >>P.S. Just waiting to see NCQ support for my nforce system in libata:-) > > > > > >Don't hold your breath, it's unlikely to get supported as nvidia wont > >open the specs. ahci is a really really nice controller, if you want ncq > >I suggest going with that. sil is probably the next in line for ncq > >support. > > > Actually..... > > * Old-nvidia is ADMA, and I have docs under NDA > > * nvidia themselves say they are uninterested in NCQ support for their > older ADMA controllers, though they don't mind if I implement it So it's up to you if it'll happen or not. I'm sure people would appreciate nforce NCQ support :-) > * New-nvidia is AHCI, and thus will support NCQ when AHCI does Great! The sane choice, for both producer and consumer. > * slight correction to the above: sil24 will do NCQ, I don't think sil does Ok, it was more of an umbrella sil label, I haven't looked into specific models. -- Jens Axboe