diff options
| author | Aharon Landau <aharonl@nvidia.com> | 2021-10-08 15:24:31 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2021-10-12 12:48:05 -0300 |
| commit | 0dc89684605e8b60af645988d3e0d80a57b6e937 (patch) | |
| tree | 8dda40e1b38c27ae722a896322d78a83eae79d9f /drivers/infiniband/core/verbs.c | |
| parent | 0a0800ce2a6a4d58d73f712f1c0780974877babf (diff) | |
RDMA/counter: Add an is_disabled field in struct rdma_hw_stats
Add a bitmap in rdma_hw_stat structure, with each bit indicates whether
the corresponding counter is currently disabled or not. By default
hwcounters are enabled.
Link: https://lore.kernel.org/r/20211008122439.166063-6-markzhang@nvidia.com
Signed-off-by: Aharon Landau <aharonl@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 'drivers/infiniband/core/verbs.c')
| -rw-r--r-- | drivers/infiniband/core/verbs.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 8e72290d6b38..47cf273d0678 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -2994,11 +2994,20 @@ struct rdma_hw_stats *rdma_alloc_hw_stats_struct( if (!stats) return NULL; + stats->is_disabled = kcalloc(BITS_TO_LONGS(num_counters), + sizeof(*stats->is_disabled), GFP_KERNEL); + if (!stats->is_disabled) + goto err; + stats->descs = descs; stats->num_counters = num_counters; stats->lifespan = msecs_to_jiffies(lifespan); return stats; + +err: + kfree(stats); + return NULL; } EXPORT_SYMBOL(rdma_alloc_hw_stats_struct); @@ -3008,6 +3017,10 @@ EXPORT_SYMBOL(rdma_alloc_hw_stats_struct); */ void rdma_free_hw_stats_struct(struct rdma_hw_stats *stats) { + if (!stats) + return; + + kfree(stats->is_disabled); kfree(stats); } EXPORT_SYMBOL(rdma_free_hw_stats_struct); |