def status(self, all_instances=None, instance_ids=None, filters=None):
        """List instance info."""
        params = {}
        if filters:
            params["filters"] = make_filters(filters)
        if instance_ids:
            params['InstanceIds'] = instance_ids
        if all_instances is not None:
            params['IncludeAllInstances'] = all_instances
        statuses = self.call("DescribeInstanceStatus",
                             response_data_key="InstanceStatuses",
                             **params)
        return statuses