Re: [Qemu-devel] [PATCH] virtio: Provide version-specific variants of virtio PCI devices

[Michael S. Tsirkin]

On Mon, Oct 15, 2018 at 10:16:41AM +0200, Gerd Hoffmann wrote:
> On Fri, Oct 12, 2018 at 11:54:35PM -0300, Eduardo Habkost wrote:
> > The current virtio-*-pci device types actually represent 3
> > different types of devices:
> > * virtio 1.0 non-transitional devices
> > * virtio 1.0 transitional devices
> 
> Ok.
> 
> > * virtio 0.9 ("legacy device" in virtio 1.0 terminology)
> 
> Why?  Is there any reason to prefer 0.9 over transitional?
> 
> cheers,
>   Gerd

Right - maybe a flag to disable modern interface is enough.
We thus get two types:
- transitional (legacy)
- non-transitional (modern)
which matches spec nicely.

-- 
MST