---
title: USBDriverKit Enumerations
framework: USBDriverKit
role: collectionGroup
role_heading: API Collection
path: usbdriverkit/usbdriverkit-enumerations
---

# USBDriverKit Enumerations

## Topics

### Enumeration Cases

- [kIOUSB30RetimerDepthLimit](usbdriverkit/kiousb30retimerdepthlimit.md)

### Enumerations

- [tIOUSBTopology](usbdriverkit/tiousbtopology.md)

## See Also

### References

- [USBDriverKit Functions](usbdriverkit/usbdriverkit-functions.md)
- [USBDriverKit Data Types](usbdriverkit/usbdriverkit-data-types.md)
- [USBDriverKit Macros](usbdriverkit/usbdriverkit-macros.md)