Re: [RFC] /dev/ioasid uAPI proposal

From: Jason Gunthorpe
Date: Fri Jun 04 2021 - 08:13:43 EST

On Thu, Jun 03, 2021 at 02:41:36PM -0600, Alex Williamson wrote:

> Could you clarify "vfio_driver"?

This is the thing providing the vfio_device_ops function pointers.

So vfio-pci can't know anything about this (although your no-snoop
control probing idea makes sense to me)

But vfio_mlx5_pci can know

So can mdev_idxd

And kvmgt