vfio/mdev: Uses the vfio emulated iommufd ops set in the mdev sample drivers
This harmonizes the no-DMA devices (the vfio-mdev sample drivers) with the emulated devices (gvt-g, vfio-ap etc.). It makes it easier to add BIND_IOMMUFD user interface which requires to return an iommufd ID to represent the device/iommufd bond. Link: https://lore.kernel.org/r/20230327093351.44505-6-yi.l.liu@intel.comReviewed-by:Jason Gunthorpe <jgg@nvidia.com> Reviewed-by:
Kevin Tian <kevin.tian@intel.com> Tested-by:
Terrence Xu <terrence.xu@intel.com> Tested-by:
Nicolin Chen <nicolinc@nvidia.com> Signed-off-by:
Yi Liu <yi.l.liu@intel.com> Acked-by:
Alex Williamson <alex.williamson@redhat.com> Signed-off-by:
Jason Gunthorpe <jgg@nvidia.com>
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