From: Leon Romanovsky <leon@kernel.org>
To: Doug Ledford <dledford@redhat.com>, Jason Gunthorpe <jgg@nvidia.com>
Cc: Mark Zhang <markzhang@nvidia.com>,
Aharon Landau <aharonl@nvidia.com>,
"David S. Miller" <davem@davemloft.net>,
Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>,
Gal Pressman <galpress@amazon.com>,
Jakub Kicinski <kuba@kernel.org>,
linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org,
Maor Gottlieb <maorg@nvidia.com>,
Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>,
Mustafa Ismail <mustafa.ismail@intel.com>,
Naresh Kumar PBS <nareshkumar.pbs@broadcom.com>,
netdev@vger.kernel.org, Potnuri Bharat Teja <bharat@chelsio.com>,
Saeed Mahameed <saeedm@nvidia.com>,
Selvin Xavier <selvin.xavier@broadcom.com>,
Shiraz Saleem <shiraz.saleem@intel.com>,
Yishai Hadas <yishaih@nvidia.com>,
Zhu Yanjun <zyjzyj2000@gmail.com>
Subject: [PATCH rdma-next v2 04/13] RDMA/core: Add a helper API rdma_free_hw_stats_struct
Date: Thu, 30 Sep 2021 11:02:20 +0300 [thread overview]
Message-ID: <905b8defafbd7996949f95f7232ce4bd07713d7c.1632988543.git.leonro@nvidia.com> (raw)
In-Reply-To: <cover.1632988543.git.leonro@nvidia.com>
From: Mark Zhang <markzhang@nvidia.com>
Add a new API rdma_free_hw_stats_struct to pair with
rdma_alloc_hw_stats_struct (which is also de-inlined). This will be
useful when there are more alloc/free works in following patches.
Signed-off-by: Mark Zhang <markzhang@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
drivers/infiniband/core/counters.c | 8 ++++----
drivers/infiniband/core/sysfs.c | 8 ++++----
drivers/infiniband/core/verbs.c | 24 ++++++++++++++++++++++++
include/rdma/ib_verbs.h | 24 +++++++-----------------
4 files changed, 39 insertions(+), 25 deletions(-)
diff --git a/drivers/infiniband/core/counters.c b/drivers/infiniband/core/counters.c
index df9e6c5e4ddf..331cd29f0d61 100644
--- a/drivers/infiniband/core/counters.c
+++ b/drivers/infiniband/core/counters.c
@@ -165,7 +165,7 @@ static struct rdma_counter *alloc_and_bind(struct ib_device *dev, u32 port,
return counter;
err_mode:
- kfree(counter->stats);
+ rdma_free_hw_stats_struct(counter->stats);
err_stats:
rdma_restrack_put(&counter->res);
kfree(counter);
@@ -186,7 +186,7 @@ static void rdma_counter_free(struct rdma_counter *counter)
mutex_unlock(&port_counter->lock);
rdma_restrack_del(&counter->res);
- kfree(counter->stats);
+ rdma_free_hw_stats_struct(counter->stats);
kfree(counter);
}
@@ -618,7 +618,7 @@ void rdma_counter_init(struct ib_device *dev)
fail:
for (i = port; i >= rdma_start_port(dev); i--) {
port_counter = &dev->port_data[port].port_counter;
- kfree(port_counter->hstats);
+ rdma_free_hw_stats_struct(port_counter->hstats);
port_counter->hstats = NULL;
mutex_destroy(&port_counter->lock);
}
@@ -631,7 +631,7 @@ void rdma_counter_release(struct ib_device *dev)
rdma_for_each_port(dev, port) {
port_counter = &dev->port_data[port].port_counter;
- kfree(port_counter->hstats);
+ rdma_free_hw_stats_struct(port_counter->hstats);
mutex_destroy(&port_counter->lock);
}
}
diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index c3663cfdcd52..8d831d4fd2ad 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -755,7 +755,7 @@ static void ib_port_release(struct kobject *kobj)
for (i = 0; i != ARRAY_SIZE(port->groups); i++)
kfree(port->groups[i].attrs);
if (port->hw_stats_data)
- kfree(port->hw_stats_data->stats);
+ rdma_free_hw_stats_struct(port->hw_stats_data->stats);
kfree(port->hw_stats_data);
kfree(port);
}
@@ -919,14 +919,14 @@ alloc_hw_stats_device(struct ib_device *ibdev)
err_free_data:
kfree(data);
err_free_stats:
- kfree(stats);
+ rdma_free_hw_stats_struct(stats);
return ERR_PTR(-ENOMEM);
}
void ib_device_release_hw_stats(struct hw_stats_device_data *data)
{
kfree(data->group.attrs);
- kfree(data->stats);
+ rdma_free_hw_stats_struct(data->stats);
kfree(data);
}
@@ -1018,7 +1018,7 @@ alloc_hw_stats_port(struct ib_port *port, struct attribute_group *group)
err_free_data:
kfree(data);
err_free_stats:
- kfree(stats);
+ rdma_free_hw_stats_struct(stats);
return ERR_PTR(-ENOMEM);
}
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 89a2b21976d6..71ece4b00234 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -2976,3 +2976,27 @@ bool __rdma_block_iter_next(struct ib_block_iter *biter)
return true;
}
EXPORT_SYMBOL(__rdma_block_iter_next);
+
+struct rdma_hw_stats *rdma_alloc_hw_stats_struct(
+ const struct rdma_stat_desc *descs, int num_counters,
+ unsigned long lifespan)
+{
+ struct rdma_hw_stats *stats;
+
+ stats = kzalloc(struct_size(stats, value, num_counters), GFP_KERNEL);
+ if (!stats)
+ return NULL;
+
+ stats->descs = descs;
+ stats->num_counters = num_counters;
+ stats->lifespan = msecs_to_jiffies(lifespan);
+
+ return stats;
+}
+EXPORT_SYMBOL(rdma_alloc_hw_stats_struct);
+
+void rdma_free_hw_stats_struct(struct rdma_hw_stats *stats)
+{
+ kfree(stats);
+}
+EXPORT_SYMBOL(rdma_free_hw_stats_struct);
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index aa1e1029b736..5e8a5ed47e9a 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -589,24 +589,14 @@ struct rdma_hw_stats {
* @num_counters - How many elements in array
* @lifespan - How many milliseconds between updates
*/
-static inline struct rdma_hw_stats *rdma_alloc_hw_stats_struct(
- const struct rdma_stat_desc *descs, int num_counters,
- unsigned long lifespan)
-{
- struct rdma_hw_stats *stats;
-
- stats = kzalloc(sizeof(*stats) + num_counters * sizeof(u64),
- GFP_KERNEL);
- if (!stats)
- return NULL;
-
- stats->descs = descs;
- stats->num_counters = num_counters;
- stats->lifespan = msecs_to_jiffies(lifespan);
-
- return stats;
-}
+struct rdma_hw_stats *rdma_alloc_hw_stats_struct(
+ const struct rdma_stat_desc *descs, int num_counters,
+ unsigned long lifespan);
+/**
+ * rdma_free_hw_stats_struct - Helper function to release rdma_hw_stats
+ */
+void rdma_free_hw_stats_struct(struct rdma_hw_stats *stats);
/* Define bits for the various functionality this port needs to be supported by
* the core.
--
2.31.1
next prev parent reply other threads:[~2021-09-30 8:04 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-30 8:02 [PATCH rdma-next v2 00/13] Optional counter statistics support Leon Romanovsky
2021-09-30 8:02 ` [PATCH mlx5-next v2 01/13] net/mlx5: Add ifc bits to support optional counters Leon Romanovsky
2021-09-30 8:02 ` [PATCH mlx5-next v2 02/13] net/mlx5: Add priorities for counters in RDMA namespaces Leon Romanovsky
2021-09-30 8:02 ` [PATCH rdma-next v2 03/13] RDMA/counter: Add a descriptor in struct rdma_hw_stats Leon Romanovsky
2021-09-30 8:02 ` Leon Romanovsky [this message]
2021-10-04 17:59 ` [PATCH rdma-next v2 04/13] RDMA/core: Add a helper API rdma_free_hw_stats_struct Jason Gunthorpe
2021-09-30 8:02 ` [PATCH rdma-next v2 05/13] RDMA/counter: Add an is_disabled field in struct rdma_hw_stats Leon Romanovsky
2021-10-04 18:00 ` Jason Gunthorpe
2021-09-30 8:02 ` [PATCH rdma-next v2 06/13] RDMA/counter: Add optional counter support Leon Romanovsky
2021-10-04 18:01 ` Jason Gunthorpe
2021-09-30 8:02 ` [PATCH rdma-next v2 07/13] RDMA/nldev: Add support to get status of all counters Leon Romanovsky
2021-09-30 8:02 ` [PATCH rdma-next v2 08/13] RDMA/nldev: Allow optional-counter status configuration through RDMA netlink Leon Romanovsky
2021-10-04 18:03 ` Jason Gunthorpe
2021-09-30 8:02 ` [PATCH rdma-next v2 09/13] RDMA/mlx5: Support optional counters in hw_stats initialization Leon Romanovsky
2021-09-30 8:02 ` [PATCH rdma-next v2 10/13] RDMA/mlx5: Add steering support in optional flow counters Leon Romanovsky
2021-09-30 8:02 ` [PATCH rdma-next v2 11/13] RDMA/mlx5: Add modify_op_stat() support Leon Romanovsky
2021-09-30 8:02 ` [PATCH rdma-next v2 12/13] RDMA/mlx5: Add optional counter support in get_hw_stats callback Leon Romanovsky
2021-09-30 8:02 ` [PATCH rdma-next v2 13/13] RDMA/nldev: Add support to get status of all counters Leon Romanovsky
2021-10-04 18:07 ` Jason Gunthorpe
2021-10-05 11:00 ` Leon Romanovsky
2021-10-04 18:11 ` [PATCH rdma-next v2 00/13] Optional counter statistics support Jason Gunthorpe
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