[Intel-gfx] [PATCH V13 6/6] docs: sample driver to demonstrate how to implement virtio-mdev framework

[Jason Gunthorpe]

On Tue, Nov 19, 2019 at 11:03:39AM +0800, Jason Wang wrote:
> > Also, see the other conversations we are having about a "virtual" bus
> > and devices.  I do not want to have two different ways of doing the same
> > thing in the kernel at the same time please.  Please work together with
> > the Intel developers to solve this in a unified way, as you both
> > need/want the same thing here.
> 
> Sure, some functions looks similar, but the "virtual" bus does not contain a
> management interface and it's not clear that how it can be used by userspace
> driver. For this series, sysfs/GUID based management interface is reused and
> we had a concrete example of how it would be used by userspace driver[1] and
> a real hardware driver implementation[2].

The lifecycle stuff should be re-used through a library of this guid
stuff, not by 'subclassing' mdev_device

Jason