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path: root/drivers/infiniband/hw/ipath/ipath_qp.c
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Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_qp.c')
-rw-r--r--drivers/infiniband/hw/ipath/ipath_qp.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_qp.c b/drivers/infiniband/hw/ipath/ipath_qp.c
index a8c4a6b03d7..6a41fdbc8e5 100644
--- a/drivers/infiniband/hw/ipath/ipath_qp.c
+++ b/drivers/infiniband/hw/ipath/ipath_qp.c
@@ -377,13 +377,15 @@ static void ipath_reset_qp(struct ipath_qp *qp)
* @err: the receive completion error to signal if a RWQE is active
*
* Flushes both send and receive work queues.
+ * Returns true if last WQE event should be generated.
* The QP s_lock should be held and interrupts disabled.
*/
-void ipath_error_qp(struct ipath_qp *qp, enum ib_wc_status err)
+int ipath_error_qp(struct ipath_qp *qp, enum ib_wc_status err)
{
struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
struct ib_wc wc;
+ int ret = 0;
ipath_dbg("QP%d/%d in error state\n",
qp->ibqp.qp_num, qp->remote_qpn);
@@ -454,7 +456,10 @@ void ipath_error_qp(struct ipath_qp *qp, enum ib_wc_status err)
wq->tail = tail;
spin_unlock(&qp->r_rq.lock);
- }
+ } else if (qp->ibqp.event_handler)
+ ret = 1;
+
+ return ret;
}
/**
@@ -473,6 +478,7 @@ int ipath_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
struct ipath_qp *qp = to_iqp(ibqp);
enum ib_qp_state cur_state, new_state;
unsigned long flags;
+ int lastwqe = 0;
int ret;
spin_lock_irqsave(&qp->s_lock, flags);
@@ -532,7 +538,7 @@ int ipath_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
break;
case IB_QPS_ERR:
- ipath_error_qp(qp, IB_WC_WR_FLUSH_ERR);
+ lastwqe = ipath_error_qp(qp, IB_WC_WR_FLUSH_ERR);
break;
default:
@@ -591,6 +597,14 @@ int ipath_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
qp->state = new_state;
spin_unlock_irqrestore(&qp->s_lock, flags);
+ if (lastwqe) {
+ struct ib_event ev;
+
+ ev.device = qp->ibqp.device;
+ ev.element.qp = &qp->ibqp;
+ ev.event = IB_EVENT_QP_LAST_WQE_REACHED;
+ qp->ibqp.event_handler(&ev, qp->ibqp.qp_context);
+ }
ret = 0;
goto bail;