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113557b040
Instead of hooking the general ioctl op, have the core code directly decode VFIO_DEVICE_GET_REGION_INFO and call an op just for it. This is intended to allow mechanical changes to the drivers to pull their VFIO_DEVICE_GET_REGION_INFO int oa function. Later patches will improve the function signature to consolidate more code. 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/1-v2-2a9e24d62f1b+e10a-vfio_get_region_info_op_jgg@nvidia.com Signed-off-by: Alex Williamson <alex@shazbot.org>