diff options
| author |   Mark Zhang <markzhang@nvidia.com> | 2021-10-08 15:24:30 +0300 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@nvidia.com> | 2021-10-12 12:48:04 -0300 |
| commit | 0a0800ce2a6a4d58d73f712f1c0780974877babf (patch) | |
| tree | 0782d5e7550354223700a4625637bc48d9171c68 /include/rdma | |
| parent | RDMA/counter: Add a descriptor in struct rdma_hw_stats (diff) | |
| download | linux-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')
| -rw-r--r-- | include/rdma/ib_verbs.h | 27 |
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. |