---
title: Macros
framework: SCSIControllerDriverKit
role: collectionGroup
role_heading: API Collection
path: scsicontrollerdriverkit/scsicontrollerdriverkit-macros
---

# Macros

## Topics

### Macros

- [kIOHierarchicalLogicalUnitSupportKey](scsicontrollerdriverkit/kiohierarchicallogicalunitsupportkey.md)
- [kIOMinimumHBADataAlignmentMaskKey](scsicontrollerdriverkit/kiominimumhbadataalignmentmaskkey.md)
- [kIOServicePowerCapabilityPause](scsicontrollerdriverkit/kioservicepowercapabilitypause.md)
- [kMaxSenseBufferSize](scsicontrollerdriverkit/kmaxsensebuffersize.md)