On 2019/9/24 上午5:02, Parav Pandit wrote: > Hi Jason, > > >> -----Original Message----- >> From: Jason Wang <jasow...@redhat.com> >> Sent: Monday, September 23, 2019 8:03 AM >> To: k...@vger.kernel.org; linux-s...@vger.kernel.org; linux- >> ker...@vger.kernel.org; dri-de...@lists.freedesktop.org; intel- >> g...@lists.freedesktop.org; intel-gvt-...@lists.freedesktop.org; >> kwankh...@nvidia.com; alex.william...@redhat.com; m...@redhat.com; >> tiwei....@intel.com >> Cc: virtualizat...@lists.linux-foundation.org; net...@vger.kernel.org; >> coh...@redhat.com; maxime.coque...@redhat.com; >> cunming.li...@intel.com; zhihong.w...@intel.com; >> rob.mil...@broadcom.com; xiao.w.w...@intel.com; >> haotian.w...@sifive.com; zhen...@linux.intel.com; zhi.a.w...@intel.com; >> jani.nik...@linux.intel.com; joonas.lahti...@linux.intel.com; >> rodrigo.v...@intel.com; airl...@linux.ie; dan...@ffwll.ch; >> far...@linux.ibm.com; pa...@linux.ibm.com; seb...@linux.ibm.com; >> ober...@linux.ibm.com; heiko.carst...@de.ibm.com; g...@linux.ibm.com; >> borntrae...@de.ibm.com; akrow...@linux.ibm.com; fre...@linux.ibm.com; >> lingshan....@intel.com; Ido Shamay <i...@mellanox.com>; >> epere...@redhat.com; l...@redhat.com; Parav Pandit >> <pa...@mellanox.com>; Jason Wang <jasow...@redhat.com> >> 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 <jasow...@redhat.com> >> --- >> 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/
My understanding is this could be done on top and may require uevent support for the bus. I can try to implement this in V2. Thanks > > _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
