ahc_htole32
sg->addr = ahc_htole32(sg->addr);
sg->len = ahc_htole32(sg->len);
hscb->sgptr = ahc_htole32(hscb->sgptr);
ahc_htole32(ahc_hscb_busaddr(ahc, q_hscb->tag)
instr.integer = ahc_htole32(instr.integer);
sg->len |= ahc_htole32(AHC_DMA_LAST_SEG);
ahc_htole32(scb->sg_list_phys | SG_FULL_RESID);
scb->hscb->sgptr = ahc_htole32(SG_LIST_NULL);
sg->addr = ahc_htole32(addr & 0xFFFFFFFF);
sg->len = ahc_htole32(len);