code: func CheckControllerSupported(ctrlType string) bool {
  	for _, c := range SCSIControllerValidType {
  		if ctrlType == c {
  			return true
  		}
  	}
  	klog.Errorf("Not a valid SCSI Controller Type. Valid options are %q", SCSIControllerTypeValidOptions())
  	return false
  }
docs: // CheckControllerSupported checks if the given controller type is valid