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authorGal Pressman <galpress@amazon.com>2020-04-20 09:22:13 +0300
committerJason Gunthorpe <jgg@mellanox.com>2020-05-02 20:32:14 -0300
commitf86e34374a05635332229d1928796d04017ddf16 (patch)
tree2962499bcfdc9783cc2aba5ae3b5e444ef400fca /drivers/infiniband/hw/efa
parentRDMA/efa: Count mmap failures (diff)
downloadlinux-dev-f86e34374a05635332229d1928796d04017ddf16.tar.xz
linux-dev-f86e34374a05635332229d1928796d04017ddf16.zip
RDMA/efa: Count admin commands errors
Add a new stat that counts admin commands failures, which might help when debugging different issues. Link: https://lore.kernel.org/r/20200420062213.44577-4-galpress@amazon.com Reviewed-by: Daniel Kranzdorf <dkkranzd@amazon.com> Reviewed-by: Yossi Leybovich <sleybo@amazon.com> Signed-off-by: Gal Pressman <galpress@amazon.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/efa')
-rw-r--r--drivers/infiniband/hw/efa/efa_com.c5
-rw-r--r--drivers/infiniband/hw/efa/efa_com.h3
-rw-r--r--drivers/infiniband/hw/efa/efa_verbs.c2
3 files changed, 8 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/efa/efa_com.c b/drivers/infiniband/hw/efa/efa_com.c
index 7fce69f5568f..336bc2c57bb1 100644
--- a/drivers/infiniband/hw/efa/efa_com.c
+++ b/drivers/infiniband/hw/efa/efa_com.c
@@ -631,17 +631,20 @@ int efa_com_cmd_exec(struct efa_com_admin_queue *aq,
cmd->aq_common_descriptor.opcode, PTR_ERR(comp_ctx));
up(&aq->avail_cmds);
+ atomic64_inc(&aq->stats.cmd_err);
return PTR_ERR(comp_ctx);
}
err = efa_com_wait_and_process_admin_cq(comp_ctx, aq);
- if (err)
+ if (err) {
ibdev_err_ratelimited(
aq->efa_dev,
"Failed to process command %s (opcode %u) comp_status %d err %d\n",
efa_com_cmd_str(cmd->aq_common_descriptor.opcode),
cmd->aq_common_descriptor.opcode, comp_ctx->comp_status,
err);
+ atomic64_inc(&aq->stats.cmd_err);
+ }
up(&aq->avail_cmds);
diff --git a/drivers/infiniband/hw/efa/efa_com.h b/drivers/infiniband/hw/efa/efa_com.h
index c67dd8109d1c..5e4c88877ddb 100644
--- a/drivers/infiniband/hw/efa/efa_com.h
+++ b/drivers/infiniband/hw/efa/efa_com.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
/*
- * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
+ * Copyright 2018-2020 Amazon.com, Inc. or its affiliates. All rights reserved.
*/
#ifndef _EFA_COM_H_
@@ -47,6 +47,7 @@ struct efa_com_admin_sq {
struct efa_com_stats_admin {
atomic64_t submitted_cmd;
atomic64_t completed_cmd;
+ atomic64_t cmd_err;
atomic64_t no_completion;
};
diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c
index 1f8162b2067d..08313f7c73bc 100644
--- a/drivers/infiniband/hw/efa/efa_verbs.c
+++ b/drivers/infiniband/hw/efa/efa_verbs.c
@@ -37,6 +37,7 @@ struct efa_user_mmap_entry {
op(EFA_RX_DROPS, "rx_drops") \
op(EFA_SUBMITTED_CMDS, "submitted_cmds") \
op(EFA_COMPLETED_CMDS, "completed_cmds") \
+ op(EFA_CMDS_ERR, "cmds_err") \
op(EFA_NO_COMPLETION_CMDS, "no_completion_cmds") \
op(EFA_KEEP_ALIVE_RCVD, "keep_alive_rcvd") \
op(EFA_ALLOC_PD_ERR, "alloc_pd_err") \
@@ -1752,6 +1753,7 @@ int efa_get_hw_stats(struct ib_device *ibdev, struct rdma_hw_stats *stats,
as = &dev->edev.aq.stats;
stats->value[EFA_SUBMITTED_CMDS] = atomic64_read(&as->submitted_cmd);
stats->value[EFA_COMPLETED_CMDS] = atomic64_read(&as->completed_cmd);
+ stats->value[EFA_CMDS_ERR] = atomic64_read(&as->cmd_err);
stats->value[EFA_NO_COMPLETION_CMDS] = atomic64_read(&as->no_completion);
s = &dev->stats;