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775f726a74
This op does the copy to/from user for the info and can return back a cap chain through a vfio_info_cap * result. Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Pranjal Shrivastava <praan@google.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/15-v2-2a9e24d62f1b+e10a-vfio_get_region_info_op_jgg@nvidia.com Signed-off-by: Alex Williamson <alex@shazbot.org>