FD_VERSION_BO_IOVA = 3, /* supports fd_bo_get/put_iova() */
FD_VERSION_SOFTPIN = 4, /* adds softpin, bo name, and dump flag */
FD_VERSION_ROBUSTNESS = 5, /* adds FD_NR_FAULTS and FD_PP_PGTABLE */
+ FD_VERSION_MEMORY_FD = 2, /* supports shared memory objects */
};
enum fd_version fd_device_version(struct fd_device *dev);