MFII_DMA_KVA
memset(MFII_DMA_KVA(mdm), 0, MFII_DMA_LEN(mdm));
const struct mfi_evt_detail *med = MFII_DMA_KVA(mdm);
iiq = MFII_DMA_KVA(m);
struct mpii_reply_descr *postq = MFII_DMA_KVA(sc->sc_reply_postq);
u_int8_t *request = MFII_DMA_KVA(sc->sc_requests);
u_int8_t *mfi = MFII_DMA_KVA(sc->sc_mfi);
u_int8_t *sense = MFII_DMA_KVA(sc->sc_sense);
u_int8_t *sgl = MFII_DMA_KVA(sc->sc_sgl);
memset(MFII_DMA_KVA(sc->sc_reply_postq), 0xff,