Dynamic I/O queue management

- Queue allocation is now separated from starting cache.
- Queue can be created and destroyed in runtime.
- All queue ops accept queue handle instead of queue id.
- Cache stores queues as list instead of array.

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>

src/ocf_queue_priv.h

@@ -9,11 +9,12 @@
 #include "ocf_env.h"
 
 struct ocf_queue {
-	struct ocf_cache *cache;
-	uint32_t id;
+	ocf_cache_t cache;
 
 	env_atomic io_no;
 
+	env_atomic ref_count;
+
 	struct list_head io_list;
 	env_spinlock io_list_lock;
 
@@ -23,15 +24,19 @@ struct ocf_queue {
 	/* Tracing stop request */
 	env_atomic trace_stop;
 
+	struct list_head list;
+
+	const struct ocf_queue_ops *ops;
+
 	void *priv;
 };
 
-int ocf_alloc_queues(struct ocf_cache *cache);
-
-int ocf_start_queues(struct ocf_cache *cache);
-
-void ocf_stop_queues(struct ocf_cache *cache);
-
-void ocf_free_queues(struct ocf_cache *cache);
+static inline void ocf_queue_kick(ocf_queue_t queue, bool allow_sync)
+{
+	if (allow_sync && queue->ops->kick_sync)
+		queue->ops->kick_sync(queue);
+	else
+		queue->ops->kick(queue);
+}
 
 #endif