staging/rdma/hfi1: Remove destroy qp verb
authorDennis Dalessandro <dennis.dalessandro@intel.com>
Tue, 19 Jan 2016 22:43:50 +0000 (14:43 -0800)
committerDoug Ledford <dledford@redhat.com>
Fri, 11 Mar 2016 01:37:43 +0000 (20:37 -0500)
This removes the destroy qp verbs in favor of using rdmavt.

Reviewed-by: Harish Chegondi <harish.chegondi@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
drivers/staging/rdma/hfi1/qp.c
drivers/staging/rdma/hfi1/qp.h
drivers/staging/rdma/hfi1/verbs.c

index 1e6ca4f..c9f2467 100644 (file)
@@ -332,59 +332,6 @@ __be32 hfi1_compute_aeth(struct rvt_qp *qp)
 }
 
 /**
- * hfi1_destroy_qp - destroy a queue pair
- * @ibqp: the queue pair to destroy
- *
- * Returns 0 on success.
- *
- * Note that this can be called while the QP is actively sending or
- * receiving!
- */
-int hfi1_destroy_qp(struct ib_qp *ibqp)
-{
-       struct rvt_qp *qp = ibqp_to_rvtqp(ibqp);
-       struct hfi1_ibdev *dev = to_idev(ibqp->device);
-       struct hfi1_qp_priv *priv = qp->priv;
-
-       /* Make sure HW and driver activity is stopped. */
-       spin_lock_irq(&qp->r_lock);
-       spin_lock(&qp->s_lock);
-       if (qp->state != IB_QPS_RESET) {
-               qp->state = IB_QPS_RESET;
-               flush_iowait(qp);
-               qp->s_flags &= ~(RVT_S_TIMER | RVT_S_ANY_WAIT);
-               spin_unlock(&qp->s_lock);
-               spin_unlock_irq(&qp->r_lock);
-               cancel_work_sync(&priv->s_iowait.iowork);
-               del_timer_sync(&qp->s_timer);
-               iowait_sdma_drain(&priv->s_iowait);
-               flush_tx_list(qp);
-               rvt_remove_qp(ib_to_rvt(ibqp->device), qp);
-               wait_event(qp->wait, !atomic_read(&qp->refcount));
-               spin_lock_irq(&qp->r_lock);
-               spin_lock(&qp->s_lock);
-               rvt_clear_mr_refs(qp, 1);
-               clear_ahg(qp);
-       }
-       spin_unlock(&qp->s_lock);
-       spin_unlock_irq(&qp->r_lock);
-
-       /* all user's cleaned up, mark it available */
-       rvt_free_qpn(&dev->rdi.qp_dev->qpn_table, qp->ibqp.qp_num);
-       rvt_dec_qp_cnt(&dev->rdi);
-
-       if (qp->ip)
-               kref_put(&qp->ip->ref, rvt_release_mmap_info);
-       else
-               vfree(qp->r_rq.wq);
-       vfree(qp->s_wq);
-       kfree(priv->s_hdr);
-       kfree(priv);
-       kfree(qp);
-       return 0;
-}
-
-/**
  * hfi1_get_credit - flush the send work queue of a QP
  * @qp: the qp who's send work queue to flush
  * @aeth: the Acknowledge Extended Transport Header
index d6bfb98..21af3ad 100644 (file)
@@ -96,17 +96,6 @@ struct ib_qp *hfi1_create_qp(struct ib_pd *ibpd,
                             struct ib_qp_init_attr *init_attr,
                             struct ib_udata *udata);
 /**
- * hfi1_destroy_qp - destroy a queue pair
- * @ibqp: the queue pair to destroy
- *
- * Returns 0 on success.
- *
- * Note that this can be called while the QP is actively sending or
- * receiving!
- */
-int hfi1_destroy_qp(struct ib_qp *ibqp);
-
-/**
  * hfi1_get_credit - flush the send work queue of a QP
  * @qp: the qp who's send work queue to flush
  * @aeth: the Acknowledge Extended Transport Header
index e51f827..1ed1f20 100644 (file)
@@ -1625,7 +1625,7 @@ int hfi1_register_ib_device(struct hfi1_devdata *dd)
        ibdev->create_qp = NULL;
        ibdev->modify_qp = NULL;
        ibdev->query_qp = hfi1_query_qp;
-       ibdev->destroy_qp = hfi1_destroy_qp;
+       ibdev->destroy_qp = NULL;
        ibdev->post_send = NULL;
        ibdev->post_recv = post_receive;
        ibdev->post_srq_recv = hfi1_post_srq_receive;