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# SCSIParallelFeatureRequest

An enumeration of feature negotiation behaviors.

```
typedef enum SCSIParallelFeatureRequest : unsigned int { ... } SCSIParallelFeatureRequest;
```

## Topics

### Requests

[`kSCSIParallelFeature_NoNegotiation`](/documentation/SCSIControllerDriverKit/SCSIParallelFeatureRequest/kSCSIParallelFeature_NoNegotiation)

A selector that indicates that the controller should use the current negotiation.

[`kSCSIParallelFeature_AttemptNegotiation`](/documentation/SCSIControllerDriverKit/SCSIParallelFeatureRequest/kSCSIParallelFeature_AttemptNegotiation)

A selector that indicates that the controller should attempt negotiation for the feature.

[`kSCSIParallelFeature_ClearNegotiation`](/documentation/SCSIControllerDriverKit/SCSIParallelFeatureRequest/kSCSIParallelFeature_ClearNegotiation)

A selector that indicates that the controller should clear any negotiation for the feature.


---

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