cd_size
n->cd_size = size;
error = bus_dmamem_alloc(n->cd_tag, n->cd_size,
error = bus_dmamem_map(n->cd_tag, n->cd_segs, n->cd_nsegs, n->cd_size,
error = bus_dmamap_create(n->cd_tag, n->cd_size, 1, n->cd_size, 0,
error = bus_dmamap_load(n->cd_tag, n->cd_map, n->cd_addr, n->cd_size,
bus_dmamem_unmap(n->cd_tag, n->cd_addr, n->cd_size);
bus_dmamem_unmap(n->cd_tag, n->cd_addr, n->cd_size);
(void *)DMAADDR(p), (void *)p->cd_size));
size_t cd_size;
u_int64_t cd_size(struct scsi_link *, int, u_int32_t *);
sc->params.disksize = cd_size(sc->sc_link, flags, &sc->params.secsize);