Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760430AbXKHNzY (ORCPT ); Thu, 8 Nov 2007 08:55:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756153AbXKHNzN (ORCPT ); Thu, 8 Nov 2007 08:55:13 -0500 Received: from e31.co.us.ibm.com ([32.97.110.149]:42060 "EHLO e31.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756120AbXKHNzL (ORCPT ); Thu, 8 Nov 2007 08:55:11 -0500 Message-ID: <47331531.8070709@us.ibm.com> Date: Thu, 08 Nov 2007 07:54:57 -0600 From: Anthony Liguori User-Agent: Thunderbird 2.0.0.6 (X11/20071022) MIME-Version: 1.0 To: Avi Kivity CC: linux-kernel@vger.kernel.org, Rusty Russell , virtualization@lists.osdl.org, kvm-devel@lists.sourceforge.net Subject: Re: [kvm-devel] [PATCH 3/3] virtio PCI device References: <11944899922822-git-send-email-aliguori@us.ibm.com> <11944900141678-git-send-email-aliguori@us.ibm.com> <11944900152750-git-send-email-aliguori@us.ibm.com> <11944900163817-git-send-email-aliguori@us.ibm.com> <4732A8E5.6090307@qumranet.com> In-Reply-To: <4732A8E5.6090307@qumranet.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 800 Lines: 30 Avi Kivity wrote: > Anthony Liguori wrote: > >> This is a PCI device that implements a transport for virtio. It allows virtio >> devices to be used by QEMU based VMMs like KVM or Xen. >> >> >> > > Didn't see support for dma. Not sure what you're expecting there. Using dma_ops in virtio_ring? > I think that with Amit's pvdma patches you > can support dma-capable devices as well without too much fuss. > What is the use case you're thinking of? A semi-paravirt driver that does dma directly to a device? Regards, Anthony Liguori - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/