[PATCH v2] util: basic support for VFIO variant drivers

[Jason Gunthorpe]

On Wed, May 31, 2023 at 03:34:11PM -0600, Alex Williamson wrote:

> device.  It does not guarantee the vfio device API exposed to userspace
> is vfio-pci.  Therefore management tools should be cautious to make
> assumptions about the type of device the VM will see even though we've
> got vfio-pci written all over the place.  

Yes. The vfio-pci API should be learned in-band with some ioctl on an
opened device?

Jason