diff --git a/inc/ocf_core.h b/inc/ocf_core.h
index acabd39..6509f13 100644
--- a/inc/ocf_core.h
+++ b/inc/ocf_core.h
@@ -239,4 +239,21 @@ int ocf_core_visit(ocf_cache_t cache, ocf_core_visitor_t visitor, void *cntx,
  */
 int ocf_core_get_info(ocf_core_t core, struct ocf_core_info *info);
 
+/**
+ * @brief Set core private data
+ *
+ * @param[in] core Core object
+ * @param[in] priv Private data
+ */
+void ocf_core_set_priv(ocf_core_t core, void *priv);
+
+/**
+ * @brief Get core private data
+ *
+ * @param[in] core Core object
+ *
+ * @retval Private data
+ */
+void *ocf_core_get_priv(ocf_core_t core);
+
 #endif /* __OCF_CORE_H__ */
diff --git a/src/ocf_core.c b/src/ocf_core.c
index c87602b..2e1f564 100644
--- a/src/ocf_core.c
+++ b/src/ocf_core.c
@@ -620,3 +620,15 @@ int ocf_core_get_info(ocf_core_t core, struct ocf_core_info *info)
 
 	return 0;
 }
+
+void ocf_core_set_priv(ocf_core_t core, void *priv)
+{
+	OCF_CHECK_NULL(core);
+	core->priv = priv;
+}
+
+void *ocf_core_get_priv(ocf_core_t core)
+{
+	OCF_CHECK_NULL(core);
+	return core->priv;
+}
diff --git a/src/ocf_core_priv.h b/src/ocf_core_priv.h
index 5f68eb8..722cfba 100644
--- a/src/ocf_core_priv.h
+++ b/src/ocf_core_priv.h
@@ -91,6 +91,8 @@ struct ocf_core {
 	uint32_t added : 1;
 
 	struct ocf_counters_core *counters;
+
+	void *priv;
 };
 
 bool ocf_core_is_valid(ocf_cache_t cache, ocf_core_id_t id);