dev_opt($cur->{TargetClass}, "t_class", "int", \$sep);
dev_opt($cur->{DetachStorageOnly}, "detach_storage", "bool", \$sep);
dev_opt($cur->{Mode}, "mode", "string", \$sep);
dev_opt($cur->{TargetClass}, "t_class", "int", \$sep);
dev_opt($cur->{DetachStorageOnly}, "detach_storage", "bool", \$sep);
dev_opt($cur->{Mode}, "mode", "string", \$sep);