---
title: TEST_UNIT_READY
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/ioscsiprimarycommandsdevice/1556495-test_unit_ready
---

# TEST_UNIT_READY

## Declaration

```occ
virtual bool TEST_UNIT_READY(SCSITaskIdentifier request, SCSICmdField1Byte CONTROL);
```