netdev - Re: [PATCH V8 1/6] mdev: class id support

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Date:   Tue, 5 Nov 2019 17:03:19 +0100
From:   Cornelia Huck <cohuck@...hat.com>
To:     Jason Wang <jasowang@...hat.com>
Cc:     kvm@...r.kernel.org, linux-s390@...r.kernel.org,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        intel-gfx@...ts.freedesktop.org,
        intel-gvt-dev@...ts.freedesktop.org, kwankhede@...dia.com,
        alex.williamson@...hat.com, mst@...hat.com, tiwei.bie@...el.com,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        maxime.coquelin@...hat.com, cunming.liang@...el.com,
        zhihong.wang@...el.com, rob.miller@...adcom.com,
        xiao.w.wang@...el.com, haotian.wang@...ive.com,
        zhenyuw@...ux.intel.com, zhi.a.wang@...el.com,
        jani.nikula@...ux.intel.com, joonas.lahtinen@...ux.intel.com,
        rodrigo.vivi@...el.com, airlied@...ux.ie, daniel@...ll.ch,
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        freude@...ux.ibm.com, lingshan.zhu@...el.com, idos@...lanox.com,
        eperezma@...hat.com, lulu@...hat.com, parav@...lanox.com,
        christophe.de.dinechin@...il.com, kevin.tian@...el.com,
        stefanha@...hat.com
Subject: Re: [PATCH V8 1/6] mdev: class id support

On Tue,  5 Nov 2019 17:32:35 +0800
Jason Wang <jasowang@...hat.com> wrote:

> Mdev bus only supports vfio driver right now, so it doesn't implement
> match method. But in the future, we may add drivers other than vfio,
> the first driver could be virtio-mdev. This means we need to add
> device class id support in bus match method to pair the mdev device
> and mdev driver correctly.
> 
> So this patch adds id_table to mdev_driver and class_id for mdev
> device with the match method for mdev bus.
> 
> Reviewed-by: Parav Pandit <parav@...lanox.com>
> Signed-off-by: Jason Wang <jasowang@...hat.com>
> ---
>  .../driver-api/vfio-mediated-device.rst       |  5 ++++
>  drivers/gpu/drm/i915/gvt/kvmgt.c              |  1 +
>  drivers/s390/cio/vfio_ccw_ops.c               |  1 +
>  drivers/s390/crypto/vfio_ap_ops.c             |  1 +
>  drivers/vfio/mdev/mdev_core.c                 | 17 +++++++++++++
>  drivers/vfio/mdev/mdev_driver.c               | 25 +++++++++++++++++++
>  drivers/vfio/mdev/mdev_private.h              |  1 +
>  drivers/vfio/mdev/vfio_mdev.c                 |  6 +++++
>  include/linux/mdev.h                          |  8 ++++++
>  include/linux/mod_devicetable.h               |  8 ++++++
>  samples/vfio-mdev/mbochs.c                    |  1 +
>  samples/vfio-mdev/mdpy.c                      |  1 +
>  samples/vfio-mdev/mtty.c                      |  1 +
>  13 files changed, 76 insertions(+)

Reviewed-by: Cornelia Huck <cohuck@...hat.com>