MEGASAS_MAX_NAME
MEGASAS_MAX_NAME*sizeof(bus_addr_t), /* maxsize */
MEGASAS_MAX_NAME*sizeof(bus_addr_t), /* maxsegsize */
bzero(sc->verbuf, MEGASAS_MAX_NAME*sizeof(bus_addr_t));
sc->verbuf, MEGASAS_MAX_NAME*sizeof(bus_addr_t),