Re: [RFC PATCH 1/2] vfio-mdev: Wire in a request handler for mdev parent

Halil Pasic
2020-11-19T15:56:20Z

On Thu, 19 Nov 2020 12:30:26 +0100
Cornelia Huck <cohuck@redhat.com> wrote:

> > +static void vfio_mdev_request(void *device_data, unsigned int count)
> > +{
> > + struct mdev_device *mdev = device_data;
> > + struct mdev_parent *parent = mdev->parent;
> > +
> > + if (unlikely(!parent->ops->request))
>
> Hm. Do you think that all drivers should implement a ->request()
> callback?

@Tony: What do you think, does vfio_ap need something like this?

BTW how is this supposed to work in a setup where the one parent
has may children (like vfio_ap or the gpu slice and dice usecases).

After giving this some thought I'm under the impression, I don't
get the full picture yet.

Regards,
Halil