aac_queue_table
sc->sc_queues = (struct aac_queue_table *)((uintptr_t)sc->sc_common + qoff);
memset(sc->sc_queues, 0, sizeof(struct aac_queue_table));
u_int8_t ac_qbuf[sizeof(struct aac_queue_table) + AAC_QUEUE_ALIGN];
struct aac_queue_table *sc_queues;