SPD_ATTR_ALG_NBLOCKSIZES
EMIT(sync_req_attr, SPD_ATTR_ALG_NBLOCKSIZES, nblock_sizes);
case SPD_ATTR_ALG_NBLOCKSIZES:
EMIT(SPD_ATTR_ALG_NBLOCKSIZES, alg->alg_nblock_sizes);
case SPD_ATTR_ALG_NBLOCKSIZES: