def METHOD_NAME(self):
    self.cmd = cmd
    device_config = {
        'SCSIid': scsi_id,
        'SRmaster': 'true'
    }
    self.params = {
        'command': cmd,
        'device_config': device_config,
        'host_ref': host_ref,
        'session_ref': session_ref,
        'sr_ref': sr_ref,
        'sr_uuid': sr_uuid
    }
    self.sr_uuid = sr_uuid
    self.dconf = device_config