Date: Tue, 15 Sep 2009 23:40:37 +0300
From: "Michael S. Tsirkin" <mst@redhat.com>
To: Gregory Haskins <gregory.haskins@gmail.com>
Cc: Avi Kivity <avi@redhat.com>, "Ira W. Snyder" <iws@ovro.caltech.edu>,
       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 <rusty@rustcorp.com.au>, s.hetze@linux-ag.com,
       alacrityvm-devel@lists.sourceforge.net
Subject: Re: [PATCHv5 3/3] vhost_net: a kernel-level virtio server
Message-ID: <20090915204036.GA27954@redhat.com>
References: <20090913120140.GA31218@redhat.com> <4AAE6A97.7090808@gmail.com> <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>
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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 one of
> each, and he mentioned possibly having two unique ethernets at one point.
> 
> 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 transport?
> 
> 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-connector,
> since this is one of its primary purposes ;)

Can't all this be in userspace?
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