Re: [RFC] kvm tools: Add support for virtio-mmio

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On Tue, 2011-11-15 at 20:14 +0200, Avi Kivity wrote:
> On 11/15/2011 07:56 PM, Sasha Levin wrote:
> > > 
> > > This isn't a PCI device, so does it make sense to use a PCI vendor
> > > ID here? The kernel doesn't check the vendor ID at the moment,
> > > but presumably the idea of the field is to allow the kernel to
> > > work around implementation bugs/blacklist/whatever if necessary.
> > > If that's the theory then it would make more sense for QEMU and
> > > kvm-tool to use IDs that say "this is the QEMU implementation"
> > > and "this is the kvm-tool implementation".
> > > 
> > > (I picked 0x554D4551 for QEMU...)
> > > 
> > > -- PMM
> >
> > I just sheepishly filled in the only vendor ID I knew of in the virtio
> > spec :)
> >  
> > Hmm... If thats the plan, it should probably be a virtio thing (not
> > virtio-mmio specific).
> >
> > Either way, it could also use some clarification in the spec.
> 
> The spec only covers virtio-pci; this virtio-mmio is completely
> unspec'ed.  IMO it's a timebomb waiting to explode.

It is, look at Appendix X of the virtio-pci spec.

-- 

Sasha.

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