Hi Jason, > -----Original Message----- > From: Jason Wang <jasowang@xxxxxxxxxx> > Sent: Monday, September 23, 2019 8:03 AM > To: kvm@xxxxxxxxxxxxxxx; linux-s390@xxxxxxxxxxxxxxx; linux- > kernel@xxxxxxxxxxxxxxx; dri-devel@xxxxxxxxxxxxxxxxxxxxx; intel- > gfx@xxxxxxxxxxxxxxxxxxxxx; intel-gvt-dev@xxxxxxxxxxxxxxxxxxxxx; > kwankhede@xxxxxxxxxx; alex.williamson@xxxxxxxxxx; mst@xxxxxxxxxx; > tiwei.bie@xxxxxxxxx > Cc: virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; > cohuck@xxxxxxxxxx; maxime.coquelin@xxxxxxxxxx; > cunming.liang@xxxxxxxxx; zhihong.wang@xxxxxxxxx; > rob.miller@xxxxxxxxxxxx; xiao.w.wang@xxxxxxxxx; > haotian.wang@xxxxxxxxxx; zhenyuw@xxxxxxxxxxxxxxx; zhi.a.wang@xxxxxxxxx; > jani.nikula@xxxxxxxxxxxxxxx; joonas.lahtinen@xxxxxxxxxxxxxxx; > rodrigo.vivi@xxxxxxxxx; airlied@xxxxxxxx; daniel@xxxxxxxx; > farman@xxxxxxxxxxxxx; pasic@xxxxxxxxxxxxx; sebott@xxxxxxxxxxxxx; > oberpar@xxxxxxxxxxxxx; heiko.carstens@xxxxxxxxxx; gor@xxxxxxxxxxxxx; > borntraeger@xxxxxxxxxx; akrowiak@xxxxxxxxxxxxx; freude@xxxxxxxxxxxxx; > lingshan.zhu@xxxxxxxxx; Ido Shamay <idos@xxxxxxxxxxxx>; > eperezma@xxxxxxxxxx; lulu@xxxxxxxxxx; Parav Pandit > <parav@xxxxxxxxxxxx>; Jason Wang <jasowang@xxxxxxxxxx> > Subject: [PATCH 1/6] mdev: class id support > > 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, one example is > virtio-mdev[1] driver. 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 parent with > the match method for mdev bus. > > Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx> > --- > Documentation/driver-api/vfio-mediated-device.rst | 7 +++++-- > drivers/gpu/drm/i915/gvt/kvmgt.c | 2 +- > drivers/s390/cio/vfio_ccw_ops.c | 2 +- > drivers/s390/crypto/vfio_ap_ops.c | 3 ++- > 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 | 6 ++++++ > include/linux/mdev.h | 7 ++++++- > include/linux/mod_devicetable.h | 8 ++++++++ > samples/vfio-mdev/mbochs.c | 2 +- > samples/vfio-mdev/mdpy.c | 2 +- > samples/vfio-mdev/mtty.c | 2 +- > 13 files changed, 59 insertions(+), 11 deletions(-) > You additionally need modpost support for id table integration to modifo, modprobe and other tools. A small patch similar to this one [1] is needed. Please include in the series. [1] https://lore.kernel.org/patchwork/patch/1046991/
