[RFC PATCH 0/2] Mdev: support mutiple kinds of devices

Alex Williamson
2019-09-17T17:31:25Z

[cc +Parav]

On Thu, 12 Sep 2019 17:40:10 +0800
Jason Wang <jasowang at redhat.com> wrote:

> Hi all:
>
> During the development of virtio-mdev[1]. I find that mdev needs to be
> extended to support devices other than vfio mdev device. So this
> series tries to extend the mdev to be able to differ from different
> devices by:
>
> - device id and matching for mdev bus
> - device speicfic callbacks and move vfio callbacks there
>
> Sent for early reivew, compile test only!
>
> Thanks
>
> [1] https://lkml.org/lkml/2019/9/10/135

I expect Parav must have something similar in the works for their
in-kernel networking mdev support.  Link to discussion so far:

https://lore.kernel.org/kvm/20190912094012.29653-1-jasowang at redhat.com/T/#t

Thanks,
Alex


> Jason Wang (2):
>   mdev: device id support
>   mdev: introduce device specific ops
>
>  drivers/gpu/drm/i915/gvt/kvmgt.c  | 16 ++++---
>  drivers/s390/cio/vfio_ccw_ops.c   | 16 ++++---
>  drivers/s390/crypto/vfio_ap_ops.c | 13 ++++--
>  drivers/vfio/mdev/mdev_core.c     | 14 +++++-
>  drivers/vfio/mdev/mdev_driver.c   | 14 ++++++
>  drivers/vfio/mdev/mdev_private.h  |  1 +
>  drivers/vfio/mdev/vfio_mdev.c     | 36 ++++++++++-----
>  include/linux/mdev.h              | 76 +++++++++++++++++++------------
>  include/linux/mod_devicetable.h   |  6 +++
>  samples/vfio-mdev/mbochs.c        | 18 +++++---
>  samples/vfio-mdev/mdpy.c          | 18 +++++---
>  samples/vfio-mdev/mtty.c          | 16 ++++---
>  12 files changed, 163 insertions(+), 81 deletions(-)
>