From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933284AbXCKM1Z (ORCPT ); Sun, 11 Mar 2007 08:27:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933281AbXCKM1Z (ORCPT ); Sun, 11 Mar 2007 08:27:25 -0400 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:45102 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S933284AbXCKM1Z (ORCPT ); Sun, 11 Mar 2007 08:27:25 -0400 Date: Sun, 11 Mar 2007 13:31:08 +0000 From: Alan Cox To: Robert Hancock Cc: Vitaliyi , linux-kernel@vger.kernel.org Subject: Re: libata extension Message-ID: <20070311133108.7dca0e7b@lxorguk.ukuu.org.uk> In-Reply-To: <45F3B829.2010503@shaw.ca> References: <45F3B829.2010503@shaw.ca> X-Mailer: Claws Mail 2.7.2 (GTK+ 2.10.8; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > I believe you should be able to do this by sending ATA pass-through SCSI > commands into the device using SG_IO, without any kernel changes. It's > really the mechanism that's meant for this.. It should work, but Mark Lord reported some problems with READ_LONG on PIIX/ICH intel chipsets. I don't know if he ever resolved them but if not I have a patch that ought to. Alan