net/mlx5: devcom, Add component size getter

Add a getter for the number of participants in a devcom component (those who share the same component id and key). Signed-off-by: Tariq Toukan <tariqt@nvidia.com> Reviewed-by: Gal Pressman <gal@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
mariux64 · Dec 14, 2023 · 9bb1ac8 · 9bb1ac8
1 parent db52aa6
commit 9bb1ac8
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diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c
@@ -256,6 +256,13 @@ void mlx5_devcom_unregister_component(struct mlx5_devcom_comp_dev *devcom)
 		devcom_free_comp_dev(devcom);
 }
 
+int mlx5_devcom_comp_get_size(struct mlx5_devcom_comp_dev *devcom)
+{
+	struct mlx5_devcom_comp *comp = devcom->comp;
+
+	return kref_read(&comp->ref);
+}
+
 int mlx5_devcom_send_event(struct mlx5_devcom_comp_dev *devcom,
 			   int event, int rollback_event,
 			   void *event_data)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h
@@ -31,6 +31,7 @@ void mlx5_devcom_unregister_component(struct mlx5_devcom_comp_dev *devcom);
 int mlx5_devcom_send_event(struct mlx5_devcom_comp_dev *devcom,
 			   int event, int rollback_event,
 			   void *event_data);
+int mlx5_devcom_comp_get_size(struct mlx5_devcom_comp_dev *devcom);
 
 void mlx5_devcom_comp_set_ready(struct mlx5_devcom_comp_dev *devcom, bool ready);
 bool mlx5_devcom_comp_is_ready(struct mlx5_devcom_comp_dev *devcom);