IB/rdmavt: Add destroy qp verb

 */

int rvt_destroy_qp(struct ib_qp *ibqp)

{

	/*

	 * VT-DRIVER-API: qp_flush()

	 * Driver provies a mechanism to flush and wait for that flush to

	 * finish.

	 */

	struct rvt_qp *qp = ibqp_to_rvtqp(ibqp);

	struct rvt_dev_info *rdi = ib_to_rvt(ibqp->device);

	return -EOPNOTSUPP;

	spin_lock_irq(&qp->r_lock);

	spin_lock(&qp->s_lock);

	rvt_reset_qp(rdi, qp, ibqp->qp_type);

	spin_unlock(&qp->s_lock);

	spin_unlock_irq(&qp->r_lock);

	/* qpn is now available for use again */

	rvt_free_qpn(&rdi->qp_dev->qpn_table, qp->ibqp.qp_num);

	spin_lock(&rdi->n_qps_lock);

	rdi->n_qps_allocated--;

	spin_unlock(&rdi->n_qps_lock);

	if (qp->ip)

		kref_put(&qp->ip->ref, rvt_release_mmap_info);

	else

		vfree(qp->r_rq.wq);

	vfree(qp->s_wq);

	rdi->driver_f.qp_priv_free(rdi, qp);

	kfree(qp);

	return 0;

}

int rvt_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,