From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261151AbVHAUeT (ORCPT ); Mon, 1 Aug 2005 16:34:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261246AbVHAUeQ (ORCPT ); Mon, 1 Aug 2005 16:34:16 -0400 Received: from ns.virtualhost.dk ([195.184.98.160]:18149 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id S261151AbVHAUds (ORCPT ); Mon, 1 Aug 2005 16:33:48 -0400 Date: Mon, 1 Aug 2005 22:35:41 +0200 From: Jens Axboe To: Jeff Garzik Cc: Daniel Drake , Otto Meier , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org Subject: Re: Driver for sata adapter promise sata300 tx4 Message-ID: <20050801203540.GT22569@suse.de> References: <42EDE918.9040807@gmx.net> <42EE3501.7010107@gentoo.org> <42EE3FB8.10008@gmx.net> <42EE4ADF.4080502@gentoo.org> <20050801201756.GQ22569@suse.de> <42EE866B.5030005@pobox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <42EE866B.5030005@pobox.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 01 2005, Jeff Garzik wrote: > Jens Axboe wrote: > >On Mon, Aug 01 2005, Daniel Drake wrote: > > > >>Otto Meier wrote: > >> > >>>My question is also are these features (NCQ/TCQ) and the heigher > >>>datarate be supported by this > >>>modification? or is only the basic feature set of sata 150 TX4 supported? > >> > >>NCQ support is under development. Search the archives for Jens Axboe's > >>recent patches to support this. I don't know about TCQ. > > > > > >It's done for ahci, because we have documentation. I have no intention > >on working on NCQ for chipset where full documentation is not available. > >But the bulk of the code is the libata core support, adding NCQ support > >to a sata_* driver should now be fairly trivial (with docs). > > > I have docs for the Promise NCQ stuff. Once NCQ is fully fleshed out (I > haven't wrapped my brain around it in a couple weeks), it shouldn't be > difficult to add NCQ support to sata_promise. Excellent! -- Jens Axboe