Probe core UUIDs from metadata

Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>

inc/ocf_metadata.h

@@ -83,6 +83,30 @@ typedef void (*ocf_metadata_probe_end_t)(void *priv, int error,
 void ocf_metadata_probe(ocf_ctx_t ctx, ocf_volume_t volume,
 		ocf_metadata_probe_end_t cmpl, void *priv);
 
+/**
+ * @brief Metadata probe for cores completion callback
+ *
+ * @param[in] priv Completion context
+ * @param[in] error Error code (zero on success)
+ * @param[in] num_cores Number of cores in cache metadata
+ */
+typedef void (*ocf_metadata_probe_cores_end_t)(void *priv, int error,
+		unsigned int num_cores);
+
+/**
+ * @brief Probe cache device for associated cores
+ *
+ * @param[in] ctx handle to object designating ocf context
+ * @param[in] volume Cache volume
+ * @param[in,out] uuids Array of uuids
+ * @param[in] uuid_count Size of @uuid array
+ * @param[in] cmpl Completion callback
+ * @param[in] priv Completion context
+ */
+void ocf_metadata_probe_cores(ocf_ctx_t ctx, ocf_volume_t volume,
+		struct ocf_volume_uuid *uuids, uint32_t uuid_count,
+		ocf_metadata_probe_cores_end_t cmpl, void *priv);
+
 /**
  * @brief Check if sectors in cache line before given address are invalid
  *

inc/ocf_mngt.h

@@ -217,21 +217,6 @@ int ocf_mngt_cache_visit(ocf_ctx_t ctx, ocf_mngt_cache_visitor_t visitor,
 int ocf_mngt_cache_visit_reverse(ocf_ctx_t ctx, ocf_mngt_cache_visitor_t visitor,
 		void *cntx);
 
-/**
- * @brief Cache probe status
- */
-struct ocf_mngt_cache_probe_status {
-	/**
-	 * @brief Gracefully shutdown for cache detected
-	 */
-	bool clean_shutdown;
-
-	/**
-	 * @brief Cache is dirty and requires flushing
-	 */
-	bool cache_dirty;
-};
-
 /**
  * @brief Cache start configuration
  */

inc/ocf_volume.h

@@ -29,7 +29,7 @@ struct ocf_volume_uuid {
 	size_t size;
 		/*!< UUID data size */
 
-	const void *data;
+	void *data;
 		/*!< UUID data content */
 };