On Thu, Oct 26, 2023 at 01:28:18PM +0000, Parav Pandit wrote:
> 
> > From: Michael S. Tsirkin <[email protected]>
> > Sent: Thursday, October 26, 2023 6:45 PM
> 
> > > Followed by an open coded driver check for 0x1000 to 0x103f range.
> > > Do you mean windows driver expects specific subsystem vendor id of 0x1af4?
> > 
> > Look it up, it's open source.
> 
> Those are not OS inbox drivers anyway.
> :)

Does not matter at all if guest has drivers installed.
Either you worry about legacy guests or not.


> The current vfio driver is following the virtio spec based on legacy spec, 
> 1.x spec following the transitional device sections.
> There is no need to do something out of spec at this point.

legacy spec wasn't maintained properly, drivers diverged sometimes
significantly. what matters is installed base.

-- 
MST

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