On 09/20/2016 01:48 PM, Dong Jia Shi wrote: > * Jike Song <jike.song@xxxxxxxxx> [2016-09-13 10:35:11 +0800]: > >> On 09/08/2016 10:45 AM, Jike Song wrote: >>> On 08/25/2016 05:22 PM, Dong Jia wrote: >>>> On Thu, 25 Aug 2016 09:23:53 +0530 >>>> Kirti Wankhede <kwankhede@xxxxxxxxxx> wrote: >>>> >>>> [...] >>>> >>>> Dear Kirti, >>>> >>>> I just rebased my vfio-ccw patches to this series. >>>> With a little fix, which was pointed it out in my reply to the #3 >>>> patch, it works fine. >>>> >>> >>> Hi Jia, >>> >>> Sorry I didn't follow a lot in previous discussion, but since >>> vfio-mdev in v7 patchset is at least PCI-agnostic, would you share >>> with us why you still need a vfio-ccw? >> >> Kind ping :) >> >> >> Hi Dong Jia, >> >> Since Kirti has confirmed that in v7 it is designed to have only one >> vfio-mdev driver for all mdev devices, would you please tell us the >> reason of your vfio-ccw? It could possibly be an architectural gap and >> the earlier we discuss it the better :) > > Hi Jike, > > Sorry for the late response. > NP, thanks for the info :) > I think you may mix up vfio-ccw with vfio-mccw, which is in the same > level with vfio-mpci in v6 (or vfio-mdev in v7). :> > > The term of vfio-ccw is in the same semantic level with vfio-pci. You > can understand vfio-ccw as the parent device driver in the ccw case. > So 'vfio-ccw' is actually the driver of physical device. > As you mentioned above, v7 provides an universal mdev driver (vfio-mdev) > for the mediated devices. So I don't need to provide a vfio-mccw (a > vendor specific mediated device driver) anymore, but I'd still need my > vfio-ccw (the parent device driver). Glad to know that vfio-mdev works for all mdev devices :) -- Thanks, Jike -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html