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authorMark Zhang <markzhang@nvidia.com>2021-10-08 15:24:30 +0300
committerJason Gunthorpe <jgg@nvidia.com>2021-10-12 12:48:04 -0300
commit0a0800ce2a6a4d58d73f712f1c0780974877babf (patch)
tree0782d5e7550354223700a4625637bc48d9171c68 /include/rdma/ib_verbs.h
parentRDMA/counter: Add a descriptor in struct rdma_hw_stats (diff)
downloadlinux-dev-0a0800ce2a6a4d58d73f712f1c0780974877babf.tar.xz
linux-dev-0a0800ce2a6a4d58d73f712f1c0780974877babf.zip
RDMA/core: Add a helper API rdma_free_hw_stats_struct
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. Link: https://lore.kernel.org/r/20211008122439.166063-5-markzhang@nvidia.com Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Mark Zhang <markzhang@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'include/rdma/ib_verbs.h')
-rw-r--r--include/rdma/ib_verbs.h27
1 files changed, 4 insertions, 23 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index aa1e1029b736..938c0c0a1c19 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -582,31 +582,12 @@ struct rdma_hw_stats {
};
#define RDMA_HW_STATS_DEFAULT_LIFESPAN 10
-/**
- * rdma_alloc_hw_stats_struct - Helper function to allocate dynamic struct
- * for drivers.
- * @descs - Array of static descriptors
- * @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);
+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.