Re: [Qemu-devel] Guest kernel device compatability auto-detection

[Richard W.M. Jones]

On Thu, Aug 25, 2011 at 04:48:36PM -0500, Anthony Liguori wrote:
> One would be exposing a well supported device (like IDE emulation)
> and having a magic mode that allowed you to basically promote the
> device from IDE emulation to virtio-blk.  Likewise, you could do
> something like that to promote from the e1000 to virtio-net.

+1 .. this is what VMware does AIUI.

Another way might be to invent a "virtio-IDE" device, which at one
level looks like ordinary IDE but has non-standard extensions that are
helpful for paravirt.

Rich.

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