From: Kaike Wan <kaike.wan@intel.com>
Date: Mon, 21 Aug 2017 18:27:41 -0700
Subject: IB/hfi1: Add received request info to qp_stats
Patch-mainline: v4.14-rc1
Git-commit: 642aaab5a63c043c593ba9e9a86aadd388313e56
References: bsc#1060463 FATE#323043
The rvt_ack_entry pointed to by s_tail_ack_queue provides important
info about the request that has just been processed or is being processed
on the responder side of a RC connection. This patch adds this info to
the qp_stats to assist debugging.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/hw/hfi1/qp.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
--- a/drivers/infiniband/hw/hfi1/qp.c
+++ b/drivers/infiniband/hw/hfi1/qp.c
@@ -626,12 +626,15 @@ void qp_iter_print(struct seq_file *s, s
struct hfi1_qp_priv *priv = qp->priv;
struct sdma_engine *sde;
struct send_context *send_context;
+ struct rvt_ack_entry *e = NULL;
sde = qp_to_sdma_engine(qp, priv->s_sc);
wqe = rvt_get_swqe_ptr(qp, qp->s_last);
send_context = qp_to_send_context(qp, priv->s_sc);
+ if (qp->s_ack_queue)
+ e = &qp->s_ack_queue[qp->s_tail_ack_queue];
seq_printf(s,
- "N %d %s QP %x R %u %s %u %u %u f=%x %u %u %u %u %u %u SPSN %x %x %x %x %x RPSN %x S(%u %u %u %u %u %u %u) R(%u %u %u) RQP %x LID %x SL %u MTU %u %u %u %u %u SDE %p,%u SC %p,%u SCQ %u %u PID %d\n",
+ "N %d %s QP %x R %u %s %u %u %u f=%x %u %u %u %u %u %u SPSN %x %x %x %x %x RPSN %x S(%u %u %u %u %u %u %u) R(%u %u %u) RQP %x LID %x SL %u MTU %u %u %u %u %u SDE %p,%u SC %p,%u SCQ %u %u PID %d E %x %x %x\n",
iter->n,
qp_idle(qp) ? "I" : "B",
qp->ibqp.qp_num,
@@ -672,7 +675,11 @@ void qp_iter_print(struct seq_file *s, s
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,
- qp->pid);
+ qp->pid,
+ /* ack queue information */
+ e ? e->opcode : 0,
+ e ? e->psn : 0,
+ e ? e->lpsn : 0);
}
void *qp_priv_alloc(struct rvt_dev_info *rdi, struct rvt_qp *qp)