From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NA6wJ-00035F-EF for qemu-devel@nongnu.org; Mon, 16 Nov 2009 14:08:39 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NA6wE-00032B-PJ for qemu-devel@nongnu.org; Mon, 16 Nov 2009 14:08:39 -0500 Received: from [199.232.76.173] (port=32870 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NA6wE-000328-Lp for qemu-devel@nongnu.org; Mon, 16 Nov 2009 14:08:34 -0500 Received: from e2.ny.us.ibm.com ([32.97.182.142]:41066) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1NA6wE-0006Nq-Az for qemu-devel@nongnu.org; Mon, 16 Nov 2009 14:08:34 -0500 Received: from d01relay03.pok.ibm.com (d01relay03.pok.ibm.com [9.56.227.235]) by e2.ny.us.ibm.com (8.14.3/8.13.1) with ESMTP id nAGJ0ZqH014350 for ; Mon, 16 Nov 2009 14:00:35 -0500 Received: from d01av02.pok.ibm.com (d01av02.pok.ibm.com [9.56.224.216]) by d01relay03.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id nAGJ8WvV113400 for ; Mon, 16 Nov 2009 14:08:32 -0500 Received: from d01av02.pok.ibm.com (loopback [127.0.0.1]) by d01av02.pok.ibm.com (8.14.3/8.13.1/NCO v10.0 AVout) with ESMTP id nAGF2IcU010264 for ; Mon, 16 Nov 2009 10:02:18 -0500 Date: Mon, 16 Nov 2009 13:08:23 -0600 From: Ryan Harper Subject: Re: [Qemu-devel] [sneak preview] major scsi overhaul Message-ID: <20091116190823.GR11154@us.ibm.com> References: <4AF4ACA5.2090701@redhat.com> <200911111413.09320.paul@codesourcery.com> <4AFAD7A8.70707@redhat.com> <200911111638.31288.paul@codesourcery.com> <4B017F46.4030700@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4B017F46.4030700@redhat.com> List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gerd Hoffmann Cc: Paul Brook , qemu-devel@nongnu.org * Gerd Hoffmann [2009-11-16 12:38]: > On 11/11/09 17:38, Paul Brook wrote: > >>>It may be that it's > >>>hard/impossible to get both command queueing and zero-copy. > >> > >>I have it working. > > > >More likely you have a nasty hack that happens to work with the Linux > >drivers. > > Linux works. Windows XP works. FreeBSD works. More regression testing > is planned. > > Suggestions for other guests which might be sensitive to changes like > this? Maybe even some which don't work with the current lsi emulation? XP 64-bit, 2k3 32/64, 2k8 32/64 64-bit is important because the DMA mode of the lsi driver is different when the 64-bit versions of the win drivers. -- Ryan Harper Software Engineer; Linux Technology Center IBM Corp., Austin, Tx ryanh@us.ibm.com