From mboxrd@z Thu Jan 1 00:00:00 1970 From: Muli Ben-Yehuda Subject: Re: kvm pci passthrough Date: Thu, 30 Oct 2008 18:09:27 +0200 Message-ID: <20081030160927.GB6768@il.ibm.com> References: <9c21eeae0810291744x7f59c17y27cbbda759080308@mail.gmail.com> <20081030122650.GI7208@il.ibm.com> <9c21eeae0810300842r6e8ae6cdi7b9986c899781274@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm@vger.kernel.org To: David Brown Return-path: Received: from mtagate1.de.ibm.com ([195.212.17.161]:41442 "EHLO mtagate1.de.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754078AbYJ3QKS (ORCPT ); Thu, 30 Oct 2008 12:10:18 -0400 Received: from d12nrmr1607.megacenter.de.ibm.com (d12nrmr1607.megacenter.de.ibm.com [9.149.167.49]) by mtagate1.de.ibm.com (8.13.1/8.13.1) with ESMTP id m9UGACQe019200 for ; Thu, 30 Oct 2008 16:10:15 GMT Received: from d12av01.megacenter.de.ibm.com (d12av01.megacenter.de.ibm.com [9.149.165.212]) by d12nrmr1607.megacenter.de.ibm.com (8.13.8/8.13.8/NCO v9.1) with ESMTP id m9UGACjR1638594 for ; Thu, 30 Oct 2008 17:10:12 +0100 Received: from d12av01.megacenter.de.ibm.com (loopback [127.0.0.1]) by d12av01.megacenter.de.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id m9UGAC8Q020449 for ; Thu, 30 Oct 2008 17:10:12 +0100 Content-Disposition: inline In-Reply-To: <9c21eeae0810300842r6e8ae6cdi7b9986c899781274@mail.gmail.com> Sender: kvm-owner@vger.kernel.org List-ID: On Thu, Oct 30, 2008 at 08:42:50AM -0700, David Brown wrote: > Thanks, glad to know progress is being made. However, around here > we're mostly an AMD shop and as far as I know they don't have a > working IOMMU yet. I believe it's working, just not shipping yet :-) > Has there been any testing with High Performance Networking with > RDMA support like infiniband? No, as far as I know. > > -pcidevice host=bus:dev.func > > > > Where the bus, dev, and func are what lspci shows you for the device > > (on the host). You should also make sure that the device isn't used by > > any driver on the host first. > > I assume the pci passthrough without IOMMU will also have the same > interface? I would assume so too. > Are there commands in the qemu monitor to pass these in on a running > guest? Yes, via an extension of the pci_add monitor command to take a host BDF argument. Cheers, Muli -- The First Workshop on I/O Virtualization (WIOV '08) Dec 2008, San Diego, CA, http://www.usenix.org/wiov08/ <-> SYSTOR 2009---The Israeli Experimental Systems Conference http://www.haifa.il.ibm.com/conferences/systor2009/