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authorJason Gunthorpe <jgg@nvidia.com>2021-06-17 16:22:15 +0200
committerAlex Williamson <alex.williamson@redhat.com>2021-06-21 15:29:25 -0600
commit88a21f265ce50a17e6e71e3fb4467625cf234c5a (patch)
tree284c8e38e4948e421c058d9e53f4e4c9dfac1158 /fs/ntfs
parentaf3ab3f9b986cdbc1b97b8a3341ce78851edb0dd (diff)
downloadlwn-88a21f265ce50a17e6e71e3fb4467625cf234c5a.tar.gz
lwn-88a21f265ce50a17e6e71e3fb4467625cf234c5a.zip
vfio/mdev: Allow the mdev_parent_ops to specify the device driver to bind
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@nvidia.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com> Link: https://lore.kernel.org/r/20210617142218.1877096-8-hch@lst.de Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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