CTL2DRV
ata_drvp = CTL2DRV(ata_ctlp, targ, lun);
CTL2DRV(ata_ctlp, targ, lun) = ata_drvp;
if ((ata_drvp = CTL2DRV(ata_ctlp, i, 0)) == 0)
if ((ata_drvp = CTL2DRV(ata_ctlp, drive, 0)) == NULL)
if (CTL2DRV(ata_ctlp, 0, 0)) {
ASSERT(CTL2DRV(ata_ctlp, 1, 0) != NULL);
ata_drvp = CTL2DRV(ata_ctlp, targ, 0);
ata_drvp = CTL2DRV(ata_ctlp, targ, 0);
ata_drvp = CTL2DRV(ata_ctlp, targ, lun);
ata_drvp = CTL2DRV(ata_ctlp, i, j);
ata_drvp = CTL2DRV(ata_ctlp, targ, lun);
ata_drvp = CTL2DRV(ata_ctlp, ap->a_target, ap->a_lun);
ata_drvp = CTL2DRV(ata_ctlp, ap->a_target, ap->a_lun);
ata_drvp = CTL2DRV(ata_ctlp, drive, 0);