From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:54250) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QvUp6-0005GD-G9 for qemu-devel@nongnu.org; Mon, 22 Aug 2011 09:45:56 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QvUp5-0006vR-GI for qemu-devel@nongnu.org; Mon, 22 Aug 2011 09:45:52 -0400 Received: from am1ehsobe002.messaging.microsoft.com ([213.199.154.205]:33011 helo=AM1EHSOBE002.bigfish.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QvUp5-0006vA-8L for qemu-devel@nongnu.org; Mon, 22 Aug 2011 09:45:51 -0400 Date: Mon, 22 Aug 2011 15:15:08 +0200 From: "Roedel, Joerg" Message-ID: <20110822131508.GG2079@amd.com> References: <1312932258.4524.55.camel@bling.home> <1312944513.29273.28.camel@pasglop> <1313859105.6866.192.camel@x201.home> <4E51F782.7060005@redhat.com> <20110822104635.GC2079@amd.com> <4E5234B7.7000700@redhat.com> <20110822123651.GD2079@amd.com> <4E524EBB.8090603@redhat.com> <20110822125502.GF2079@amd.com> <4E52543F.70104@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <4E52543F.70104@redhat.com> Subject: Re: [Qemu-devel] kvm PCI assignment & VFIO ramblings List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Avi Kivity Cc: Alexey Kardashevskiy , "kvm@vger.kernel.org" , Paul Mackerras , qemu-devel , iommu , chrisw , Alex Williamson , "linux-pci@vger.kernel.org" , linuxppc-dev , "benve@cisco.com" On Mon, Aug 22, 2011 at 09:06:07AM -0400, Avi Kivity wrote: > On 08/22/2011 03:55 PM, Roedel, Joerg wrote: > > Well, I don't think its really meaningless, but we need some way to > > communicate the information about device groups to userspace. > > I mean the contents of the group descriptor. There are enough 42s in > the kernel, it's better if we can replace a synthetic number with > something meaningful. If we only look at PCI than a Segment:Bus:Dev.Fn Number would be sufficient, of course. But the idea was to make it generic enough so that it works with !PCI too. Joerg -- AMD Operating System Research Center Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach General Managers: Alberto Bozzo, Andrew Bowd Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632