On Tue, Jun 15 2021, Christoph Hellwig <hch@xxxxxx> wrote: > From: Jason Gunthorpe <jgg@xxxxxxxxxx> > > This allows a mdev driver to opt out of using vfio_mdev.c, instead the > driver will provide a 'struct mdev_driver' and register directly with the > driver core. > > Much of mdev_parent_ops becomes unused in this mode: > - create()/remove() are done via the mdev_driver probe()/remove() > - mdev_attr_groups becomes mdev_driver driver.dev_groups > - Wrapper function callbacks are replaced with the same ones from > struct vfio_device_ops > > Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx> > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > --- > drivers/vfio/mdev/mdev_core.c | 30 ++++++++++++++++++++++-------- > drivers/vfio/mdev/mdev_driver.c | 10 ++++++++++ > include/linux/mdev.h | 2 ++ > 3 files changed, 34 insertions(+), 8 deletions(-) > Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>