ATA_FLUSHCACHE
ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0);
ata_28bit_cmd(&ataio, ATA_FLUSHCACHE, 0, 0, 0);
ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0);
ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0);
case ATA_FLUSHCACHE:
case ATA_FLUSHCACHE: