OCE_MEM_DVA
pa = (uint32_t)((uint64_t)OCE_MEM_DVA(&sc->sc_mbx) >> 34);
pa = (uint32_t)((uint64_t)OCE_MEM_DVA(&sc->sc_mbx) >> 4) & 0x3fffffff;
mbx->pld.sgl[0].addr = OCE_MEM_DVA(&sc->sc_pld);