SATA_CNTRL_INSTANCE_SHIFT
((controller_instance << SATA_CNTRL_INSTANCE_SHIFT) | \
(((cntrl_instance) << SATA_CNTRL_INSTANCE_SHIFT) | \
(((cntrl_instance) << SATA_CNTRL_INSTANCE_SHIFT) | \
((minor >> SATA_CNTRL_INSTANCE_SHIFT) & SATA_CNTRL_INSTANCE_MASK)