| Message ID | 20191011081557.28302-3-jasowang@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | mdev based hardware virtio offloading support | expand |
On Fri, 11 Oct 2019 16:15:52 +0800 Jason Wang <jasowang@redhat.com> wrote: > This patch adds bus uevent support for mdev bus in order to allow > cooperation with userspace. > > Signed-off-by: Jason Wang <jasowang@redhat.com> > --- > drivers/vfio/mdev/mdev_driver.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > 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; > } > > +static int mdev_uevent(struct device *dev, struct kobj_uevent_env *env) > +{ > + struct mdev_device *mdev = to_mdev_device(dev); > + > + return add_uevent_var(env, "MODALIAS=mdev:c%02X", mdev->class_id); > +} > + > struct bus_type mdev_bus_type = { > .name = "mdev", > .match = mdev_match, > + .uevent = mdev_uevent, > .probe = mdev_probe, > .remove = mdev_remove, > }; I'd merge that into the previous patch.
On 2019/10/15 下午6:27, Cornelia Huck wrote: > On Fri, 11 Oct 2019 16:15:52 +0800 > Jason Wang <jasowang@redhat.com> wrote: > >> This patch adds bus uevent support for mdev bus in order to allow >> cooperation with userspace. >> >> Signed-off-by: Jason Wang <jasowang@redhat.com> >> --- >> drivers/vfio/mdev/mdev_driver.c | 8 ++++++++ >> 1 file changed, 8 insertions(+) >> >> 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; >> } >> >> +static int mdev_uevent(struct device *dev, struct kobj_uevent_env *env) >> +{ >> + struct mdev_device *mdev = to_mdev_device(dev); >> + >> + return add_uevent_var(env, "MODALIAS=mdev:c%02X", mdev->class_id); >> +} >> + >> struct bus_type mdev_bus_type = { >> .name = "mdev", >> .match = mdev_match, >> + .uevent = mdev_uevent, >> .probe = mdev_probe, >> .remove = mdev_remove, >> }; > I'd merge that into the previous patch. Will do. Thanks
> -----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 > > This patch adds bus uevent support for mdev bus in order to allow > cooperation with userspace. > > Signed-off-by: Jason Wang <jasowang@redhat.com> > --- > drivers/vfio/mdev/mdev_driver.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > 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; > } > > +static int mdev_uevent(struct device *dev, struct kobj_uevent_env *env) > +{ > + struct mdev_device *mdev = to_mdev_device(dev); > + > + return add_uevent_var(env, "MODALIAS=mdev:c%02X", mdev- > >class_id); } > + > struct bus_type mdev_bus_type = { > .name = "mdev", > .match = mdev_match, > + .uevent = mdev_uevent, > .probe = mdev_probe, > .remove = mdev_remove, > }; > -- > 2.19.1 Reviewed-by: Parav Pandit <parav@mellanox.com>
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; } +static int mdev_uevent(struct device *dev, struct kobj_uevent_env *env) +{ + struct mdev_device *mdev = to_mdev_device(dev); + + return add_uevent_var(env, "MODALIAS=mdev:c%02X", mdev->class_id); +} + struct bus_type mdev_bus_type = { .name = "mdev", .match = mdev_match, + .uevent = mdev_uevent, .probe = mdev_probe, .remove = mdev_remove, };
This patch adds bus uevent support for mdev bus in order to allow cooperation with userspace. Signed-off-by: Jason Wang <jasowang@redhat.com> --- drivers/vfio/mdev/mdev_driver.c | 8 ++++++++ 1 file changed, 8 insertions(+)