int ib_send_cm_sidr_req(struct ib_cm_id *cm_id,
			struct ib_cm_sidr_req_param *param)
{
	struct cm_id_private *cm_id_priv;
	struct ib_mad_send_buf *msg;
	unsigned long flags;
	int ret;

	if (!param->path || (param->private_data &&
	     param->private_data_len > IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE))
		return -EINVAL;

	cm_id_priv = container_of(cm_id, struct cm_id_private, id);
	ret = cm_init_av_by_path(param->path, &cm_id_priv->av);
	if (ret)
		goto out;

	cm_id->service_id = param->service_id;
	cm_id->service_mask = ~cpu_to_be64(0);
	cm_id_priv->timeout_ms = param->timeout_ms;
	cm_id_priv->max_cm_retries = param->max_cm_retries;
	ret = cm_alloc_msg(cm_id_priv, &msg);
	if (ret)
		goto out;

	cm_format_sidr_req((struct cm_sidr_req_msg *) msg->mad, cm_id_priv,
			   param);
	msg->timeout_ms = cm_id_priv->timeout_ms;
	msg->context[1] = (void *) (unsigned long) IB_CM_SIDR_REQ_SENT;

	spin_lock_irqsave(&cm_id_priv->lock, flags);
	if (cm_id->state == IB_CM_IDLE)
		ret = ib_post_send_mad(msg, NULL);
	else
		ret = -EINVAL;

	if (ret) {
		spin_unlock_irqrestore(&cm_id_priv->lock, flags);
		cm_free_msg(msg);
		goto out;
	}
	cm_id->state = IB_CM_SIDR_REQ_SENT;
	cm_id_priv->msg = msg;
	spin_unlock_irqrestore(&cm_id_priv->lock, flags);
out:
	return ret;
}
int ib_send_cm_sidr_req(struct ib_cm_id *cm_id,
			struct ib_cm_sidr_req_param *param)
{
	struct cm_id_private *cm_id_priv;
	struct ib_mad_send_buf *msg;
	unsigned long flags;
	int ret;

	if (!param->path || (param->private_data &&
	     param->private_data_len > IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE))
		return -EINVAL;

	cm_id_priv = container_of(cm_id, struct cm_id_private, id);
	ret = cm_init_av_by_path(param->path, &cm_id_priv->av);
	if (ret)
		goto out;

	cm_id->service_id = param->service_id;
	cm_id->service_mask = ~cpu_to_be64(0);
	cm_id_priv->timeout_ms = param->timeout_ms;
	cm_id_priv->max_cm_retries = param->max_cm_retries;
	ret = cm_alloc_msg(cm_id_priv, &msg);
	if (ret)
		goto out;

	cm_format_sidr_req((struct cm_sidr_req_msg *) msg->mad, cm_id_priv,
			   param);
	msg->timeout_ms = cm_id_priv->timeout_ms;
	msg->context[1] = (void *) (unsigned long) IB_CM_SIDR_REQ_SENT;

	spin_lock_irqsave(&cm_id_priv->lock, flags);
	if (cm_id->state == IB_CM_IDLE)
		ret = ib_post_send_mad(msg, NULL);
	else
		ret = -EINVAL;

	if (ret) {
		spin_unlock_irqrestore(&cm_id_priv->lock, flags);
		cm_free_msg(msg);
		goto out;
	}
	cm_id->state = IB_CM_SIDR_REQ_SENT;
	cm_id_priv->msg = msg;
	spin_unlock_irqrestore(&cm_id_priv->lock, flags);
out:
	return ret;
}