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Subject: RE: [PATCH V3 2/7] mdev: bus uevent support
Thread-Topic: [PATCH V3 2/7] mdev: bus uevent support
Thread-Index: AQHVgAxwOTFv76h8okS/5uHJAhcVf6dcvsLQ
Date:   Wed, 16 Oct 2019 05:06:34 +0000
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 <20191011081557.28302-3-jasowang@redhat.com>
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> -----Original Message-----
> From: Jason Wang <jasowang@redhat.com>
> Sent: Friday, October 11, 2019 3:16 AM
> To: kvm@vger.kernel.org; linux-s390@vger.kernel.org; linux-
> kernel@vger.kernel.org; dri-devel@lists.freedesktop.org; intel-
> gfx@lists.freedesktop.org; intel-gvt-dev@lists.freedesktop.org;
> kwankhede@nvidia.com; alex.williamson@redhat.com; mst@redhat.com;
> tiwei.bie@intel.com
> Cc: virtualization@lists.linux-foundation.org; netdev@vger.kernel.org;
> cohuck@redhat.com; maxime.coquelin@redhat.com;
> cunming.liang@intel.com; zhihong.wang@intel.com;
> rob.miller@broadcom.com; xiao.w.wang@intel.com;
> haotian.wang@sifive.com; zhenyuw@linux.intel.com; zhi.a.wang@intel.com;
> jani.nikula@linux.intel.com; joonas.lahtinen@linux.intel.com;
> rodrigo.vivi@intel.com; airlied@linux.ie; daniel@ffwll.ch;
> farman@linux.ibm.com; pasic@linux.ibm.com; sebott@linux.ibm.com;
> oberpar@linux.ibm.com; heiko.carstens@de.ibm.com; gor@linux.ibm.com;
> borntraeger@de.ibm.com; akrowiak@linux.ibm.com; freude@linux.ibm.com;
> lingshan.zhu@intel.com; Ido Shamay <idos@mellanox.com>;
> eperezma@redhat.com; lulu@redhat.com; Parav Pandit
> <parav@mellanox.com>; christophe.de.dinechin@gmail.com;
> kevin.tian@intel.com; Jason Wang <jasowang@redhat.com>
> Subject: [PATCH V3 2/7] mdev: bus uevent support
>=20
> This patch adds bus uevent support for mdev bus in order to allow
> cooperation with userspace.
>=20
> Signed-off-by: Jason Wang <jasowang@redhat.com>
> ---
>  drivers/vfio/mdev/mdev_driver.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
>=20
> diff --git a/drivers/vfio/mdev/mdev_driver.c
> b/drivers/vfio/mdev/mdev_driver.c index b7c40ce86ee3..319d886ffaf7
> 100644
> --- a/drivers/vfio/mdev/mdev_driver.c
> +++ b/drivers/vfio/mdev/mdev_driver.c
> @@ -82,9 +82,17 @@ static int mdev_match(struct device *dev, struct
> device_driver *drv)
>  	return 0;
>  }
>=20
> +static int mdev_uevent(struct device *dev, struct kobj_uevent_env *env)
> +{
> +	struct mdev_device *mdev =3D to_mdev_device(dev);
> +
> +	return add_uevent_var(env, "MODALIAS=3Dmdev:c%02X", mdev-
> >class_id); }
> +
>  struct bus_type mdev_bus_type =3D {
>  	.name		=3D "mdev",
>  	.match		=3D mdev_match,
> +	.uevent		=3D mdev_uevent,
>  	.probe		=3D mdev_probe,
>  	.remove		=3D mdev_remove,
>  };
> --
> 2.19.1
Reviewed-by: Parav Pandit <parav@mellanox.com>