rsm_consume_event_msg_t
rsm_consume_event_msg_t msg;
rsm_consumeevent_copyin(caddr_t arg, rsm_consume_event_msg_t *msgp,
if (ddi_copyin(arg, (caddr_t)msgp, sizeof (rsm_consume_event_msg_t),
rsm_consumeevent_copyout(rsm_consume_event_msg_t *msgp,
rsm_consume_event_msg_t msg = {0};