BUS_DMASYNC_PREREAD
BUS_DMASYNC_PREREAD);
BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
ahd_sync_qoutfifo(ahd, BUS_DMASYNC_PREREAD);
ahd_sync_tqinfifo(ahd, BUS_DMASYNC_PREREAD);
BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
ahd_sync_scb(ahd, scb, BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
ahd_sync_scb(ahd, scb, BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
ahc_sync_qoutfifo(ahc, BUS_DMASYNC_PREREAD);
ahc_sync_tqinfifo(ahc, BUS_DMASYNC_PREREAD);
BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
ahc_sync_scb(ahc, scb, BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
ahc_sync_scb(ahc, scb, BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
BUS_DMASYNC_PREREAD);
BUS_DMASYNC_PREREAD);