MSCPSIZE
if ((error = bus_dmamem_alloc(sc->sc_dmat, MSCPSIZE,
MSCPSIZE, (void **)&sc->sc_mscps,
if ((error = bus_dmamap_create(sc->sc_dmat, MSCPSIZE,
1, MSCPSIZE, 0, BUS_DMA_NOWAIT | sc->sc_dmaflags,
sc->sc_mscps, MSCPSIZE, NULL, BUS_DMA_NOWAIT)) != 0) {