staging/rdma/hfi1: add cq head and tail information to qpstats

This enables debugging issues related to cq event signalling mechanism

Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Vennila Megavannan <vennila.megavannan@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/staging/rdma/hfi1/qp.c b/drivers/staging/rdma/hfi1/qp.c
index cc00eca..df90579 100644 (file)
--- a/drivers/staging/rdma/hfi1/qp.c
+++ b/drivers/staging/rdma/hfi1/qp.c
@@ -681,7 +681,7 @@ void qp_iter_print(struct seq_file *s, struct qp_iter *iter)
        wqe = rvt_get_swqe_ptr(qp, qp->s_last);
        send_context = qp_to_send_context(qp, priv->s_sc);
        seq_printf(s,
-                  "N %d %s QP%x R %u %s %u %u %u f=%x %u %u %u %u %u %u PSN %x %x %x %x %x (%u %u %u %u %u %u %u) QP%x LID %x SL %u MTU %u %u %u %u SDE %p,%u SC %p,%u\n",
+                  "N %d %s QP%x R %u %s %u %u %u f=%x %u %u %u %u %u %u PSN %x %x %x %x %x (%u %u %u %u %u %u %u) QP%x LID %x SL %u MTU %u %u %u %u SDE %p,%u SC %p,%u CQ %u %u\n",
                   iter->n,
                   qp_idle(qp) ? "I" : "B",
                   qp->ibqp.qp_num,
@@ -713,7 +713,9 @@ void qp_iter_print(struct seq_file *s, struct qp_iter *iter)
                   sde,
                   sde ? sde->this_idx : 0,
                   send_context,
-                  send_context ? send_context->sw_index : 0);
+                  send_context ? send_context->sw_index : 0,
+                  ibcq_to_rvtcq(qp->ibqp.send_cq)->queue->head,
+                  ibcq_to_rvtcq(qp->ibqp.send_cq)->queue->tail);
 }
 
 void qp_comm_est(struct rvt_qp *qp)