From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758663AbZIOVjb (ORCPT ); Tue, 15 Sep 2009 17:39:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752826AbZIOVj3 (ORCPT ); Tue, 15 Sep 2009 17:39:29 -0400 Received: from mail-qy0-f172.google.com ([209.85.221.172]:56030 "EHLO mail-qy0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751487AbZIOVj2 (ORCPT ); Tue, 15 Sep 2009 17:39:28 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:x-enigmail-version:content-type; b=PNxcz7JSbdrzI36QUbQxlJwM/66FUh6DRAu9Y+kz5WuSZ7W5DA359x7k9JIzXKTIjl E2Qi9MCS1B4cabKCQjAtCNvAogyNZS4+AIflWN3pSmNutK/rfHQfgoFWGli2WZ4u3I67 RdKx+zhwMPoyq+INqAcvVhzzgU+TiRRepUI64= Message-ID: <4AB0098F.9030207@gmail.com> Date: Tue, 15 Sep 2009 17:39:27 -0400 From: Gregory Haskins User-Agent: Thunderbird 2.0.0.23 (Macintosh/20090812) MIME-Version: 1.0 To: "Michael S. Tsirkin" CC: Avi Kivity , "Ira W. Snyder" , netdev@vger.kernel.org, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@elte.hu, linux-mm@kvack.org, akpm@linux-foundation.org, hpa@zytor.com, Rusty Russell , s.hetze@linux-ag.com, alacrityvm-devel@lists.sourceforge.net Subject: Re: [PATCHv5 3/3] vhost_net: a kernel-level virtio server References: <20090914164750.GB3745@redhat.com> <4AAE961B.6020509@gmail.com> <4AAF8A03.5020806@redhat.com> <4AAF909F.9080306@gmail.com> <4AAF95D1.1080600@redhat.com> <4AAF9BAF.3030109@gmail.com> <4AAFACB5.9050808@redhat.com> <4AAFF437.7060100@gmail.com> <20090915204036.GA27954@redhat.com> <4AAFFC8E.9010404@gmail.com> <20090915212545.GC27954@redhat.com> In-Reply-To: <20090915212545.GC27954@redhat.com> X-Enigmail-Version: 0.96.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigE1C8E234A80666A2DFF10887" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigE1C8E234A80666A2DFF10887 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Michael S. Tsirkin wrote: > On Tue, Sep 15, 2009 at 04:43:58PM -0400, Gregory Haskins wrote: >> Michael S. Tsirkin wrote: >>> On Tue, Sep 15, 2009 at 04:08:23PM -0400, Gregory Haskins wrote: >>>> No, what I mean is how do you surface multiple ethernet and consoles= to >>>> the guests? For Ira's case, I think he needs at minimum at least on= e of >>>> each, and he mentioned possibly having two unique ethernets at one p= oint. >>>> >>>> His slave boards surface themselves as PCI devices to the x86 >>>> host. So how do you use that to make multiple vhost-based devices (= say >>>> two virtio-nets, and a virtio-console) communicate across the transp= ort? >>>> >>>> There are multiple ways to do this, but what I am saying is that >>>> whatever is conceived will start to look eerily like a vbus-connecto= r, >>>> since this is one of its primary purposes ;) >>> Can't all this be in userspace? >> Can you outline your proposal? >> >> -Greg >> >=20 > Userspace in x86 maps a PCI region, uses it for communication with ppc?= >=20 And what do you propose this communication to look like? -Greg --------------enigE1C8E234A80666A2DFF10887 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.11 (Darwin) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAkqwCY8ACgkQP5K2CMvXmqFo6QCfX2e/9YFa3RtxY3QkALvECB9D CyoAnRdufMvyfZD3ahmI8vuciuOZXXil =N7UX -----END PGP SIGNATURE----- --------------enigE1C8E234A80666A2DFF10887--