From: Raed Salem <raeds@xxxxxxxxxxxx>
Add support for counters create/destroy methods.
It uses the ioctl API to call the kernel to accomplish those tasks.
Signed-off-by: Raed Salem <raeds@xxxxxxxxxxxx>
Signed-off-by: Yishai Hadas <yishaih@xxxxxxxxxxxx>
---
providers/mlx5/mlx5.c | 2 ++
providers/mlx5/mlx5.h | 14 ++++++++++++++
providers/mlx5/verbs.c | 43 +++++++++++++++++++++++++++++++++++++++++++
3 files changed, 59 insertions(+)
diff --git a/providers/mlx5/mlx5.c b/providers/mlx5/mlx5.c
index 7505540..23855ac 100644
--- a/providers/mlx5/mlx5.c
+++ b/providers/mlx5/mlx5.c
@@ -119,6 +119,7 @@ static const struct verbs_context_ops mlx5_ctx_common_ops = {
.alloc_parent_domain = mlx5_alloc_parent_domain,
.alloc_td = mlx5_alloc_td,
.close_xrcd = mlx5_close_xrcd,
+ .create_counters = mlx5_create_counters,
.create_cq_ex = mlx5_create_cq_ex,
.create_flow = mlx5_create_flow,
.create_flow_action_esp = mlx5_create_flow_action_esp,
@@ -127,6 +128,7 @@ static const struct verbs_context_ops mlx5_ctx_common_ops = {
.create_srq_ex = mlx5_create_srq_ex,
.create_wq = mlx5_create_wq,
.dealloc_td = mlx5_dealloc_td,
+ .destroy_counters = mlx5_destroy_counters,
.destroy_flow = mlx5_destroy_flow,
.destroy_flow_action = mlx5_destroy_flow_action,
.destroy_rwq_ind_table = mlx5_destroy_rwq_ind_table,
diff --git a/providers/mlx5/mlx5.h b/providers/mlx5/mlx5.h
index ca902a6..5f789f4 100644
--- a/providers/mlx5/mlx5.h
+++ b/providers/mlx5/mlx5.h
@@ -535,6 +535,10 @@ struct mlx5_rwq {
int wq_sig;
};
+struct mlx5_counters {
+ struct verbs_counters vcounters;
+};
+
static inline int mlx5_ilog2(int n)
{
int t;
@@ -665,6 +669,11 @@ static inline struct mlx5_rwq *rsc_to_mrwq(struct mlx5_resource *rsc)
return (struct mlx5_rwq *)rsc;
}
+static inline struct mlx5_counters *to_mcounters(struct ibv_counters *ibcounters)
+{
+ return container_of(ibcounters, struct mlx5_counters, vcounters.counters);
+}
+
int mlx5_alloc_buf(struct mlx5_buf *buf, size_t size, int page_size);
void mlx5_free_buf(struct mlx5_buf *buf);
int mlx5_alloc_buf_contig(struct mlx5_context *mctx, struct mlx5_buf *buf,
@@ -833,6 +842,11 @@ struct ibv_pd *mlx5_alloc_parent_domain(struct ibv_context *context,
void *mlx5_mmap(struct mlx5_uar_info *uar, int index,
int cmd_fd, int page_size, int uar_type);
+
+struct ibv_counters *mlx5_create_counters(struct ibv_context *context,
+ struct ibv_counters_init_attr *init_attr);
+int mlx5_destroy_counters(struct ibv_counters *counters);
+
static inline void *mlx5_find_uidx(struct mlx5_context *ctx, uint32_t uidx)
{
int tind = uidx >> MLX5_UIDX_TABLE_SHIFT;
diff --git a/providers/mlx5/verbs.c b/providers/mlx5/verbs.c
index 851493c..d1f350a 100644
--- a/providers/mlx5/verbs.c
+++ b/providers/mlx5/verbs.c
@@ -3235,6 +3235,49 @@ int mlx5_free_dm(struct ibv_dm *ibdm)
munmap(dm->mmap_va, act_size);
free(dm);
+ return 0;
+}
+
+struct ibv_counters *mlx5_create_counters(struct ibv_context *context,
+ struct ibv_counters_init_attr *init_attr)
+{
+ struct mlx5_counters *mcntrs;
+ int ret;
+
+ if (!check_comp_mask(init_attr->comp_mask, 0)) {
+ errno = EOPNOTSUPP;
+ return NULL;
+ }
+
+ mcntrs = calloc(1, sizeof(*mcntrs));
+ if (!mcntrs) {
+ errno = ENOMEM;
+ return NULL;
+ }
+
+ ret = ibv_cmd_create_counters(context,
+ init_attr,
+ &mcntrs->vcounters,
+ NULL);
+ if (ret)
+ goto err_create;
+
+ return &mcntrs->vcounters.counters;
+
+err_create:
+ free(mcntrs);
+ return NULL;
+}
+
+int mlx5_destroy_counters(struct ibv_counters *counters)
+{
+ struct mlx5_counters *mcntrs = to_mcounters(counters);
+ int ret;
+
+ ret = ibv_cmd_destroy_counters(&mcntrs->vcounters);
+ if (ret)
+ return ret;
+ free(mcntrs);
return 0;
}
--
1.8.3.1
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