---
title: ataUnitID
framework: kernel
role: symbol
path: kernel/ataunitid
---

# ataUnitID

## Declaration

```occ
enum ataUnitID : int {
    ...
};
```

## Topics

### Constants

- [kATADevice0DeviceID](kernel/ataunitid/katadevice0deviceid.md)
- [kATADevice1DeviceID](kernel/ataunitid/katadevice1deviceid.md)
- [kATAInvalidDeviceID](kernel/ataunitid/katainvaliddeviceid.md)

## See Also

### Additional Types

- [ataDeviceType](kernel/atadevicetype.md)
- [ataEventCode](kernel/ataeventcode.md)
- [ataFlags](kernel/ataflags.md)
- [ataOpcode](kernel/ataopcode.md)
- [ataRegMask](kernel/ataregmask.md)
- [ataSocketType](kernel/atasockettype.md)
- [atapiConfig](kernel/atapiconfig.md)