---
title: IOKitDiagnosticsParameters
framework: kernel
role: symbol
role_heading: Structure
path: kernel/iokitdiagnosticsparameters
---

# IOKitDiagnosticsParameters

## Declaration

```occ
typedef struct IOKitDiagnosticsParameters {
    ...
} IOKitDiagnosticsParameters;
```

## Topics

### Instance Properties

- [options](kernel/iokitdiagnosticsparameters/1558298-options.md)
- [reserved](kernel/iokitdiagnosticsparameters/1558231-reserved.md)
- [size](kernel/iokitdiagnosticsparameters/1558255-size.md)
- [tag](kernel/iokitdiagnosticsparameters/2923487-tag.md)
- [value](kernel/iokitdiagnosticsparameters/1558256-value.md)
- [zsize](kernel/iokitdiagnosticsparameters/2923486-zsize.md)

## See Also

### Debugging

- [IOKernelDebugger](kernel/iokerneldebugger.md)
- [IOKitDiagnostics](kernel/iokitdiagnostics.md)