scsi: ufs: remove the duplicated checking for supporting clkscaling

[platform/kernel/linux-rpi.git] / block / blk-mq.h

diff --git a/block/blk-mq.h b/block/blk-mq.h
index 48b7771..24b2256 100644 (file)
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -33,21 +33,30 @@ int blk_mq_update_nr_requests(struct request_queue *q, unsigned int nr);
 void blk_mq_wake_waiters(struct request_queue *q);
 bool blk_mq_dispatch_rq_list(struct blk_mq_hw_ctx *, struct list_head *);
 void blk_mq_flush_busy_ctxs(struct blk_mq_hw_ctx *hctx, struct list_head *list);
+bool blk_mq_hctx_has_pending(struct blk_mq_hw_ctx *hctx);
+bool blk_mq_get_driver_tag(struct request *rq, struct blk_mq_hw_ctx **hctx,
+                               bool wait);
 
 /*
  * Internal helpers for allocating/freeing the request map
  */
-void blk_mq_free_rq_map(struct blk_mq_tag_set *set, struct blk_mq_tags *tags,
-                       unsigned int hctx_idx);
-struct blk_mq_tags *blk_mq_init_rq_map(struct blk_mq_tag_set *set,
-                                       unsigned int hctx_idx);
+void blk_mq_free_rqs(struct blk_mq_tag_set *set, struct blk_mq_tags *tags,
+                    unsigned int hctx_idx);
+void blk_mq_free_rq_map(struct blk_mq_tags *tags);
+struct blk_mq_tags *blk_mq_alloc_rq_map(struct blk_mq_tag_set *set,
+                                       unsigned int hctx_idx,
+                                       unsigned int nr_tags,
+                                       unsigned int reserved_tags);
+int blk_mq_alloc_rqs(struct blk_mq_tag_set *set, struct blk_mq_tags *tags,
+                    unsigned int hctx_idx, unsigned int depth);
 
 /*
  * Internal helpers for request insertion into sw queues
  */
 void __blk_mq_insert_request(struct blk_mq_hw_ctx *hctx, struct request *rq,
                                bool at_head);
-
+void blk_mq_insert_requests(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx,
+                               struct list_head *list);
 /*
  * CPU hotplug helpers
  */
@@ -72,6 +81,35 @@ extern int blk_mq_sysfs_register(struct request_queue *q);
 extern void blk_mq_sysfs_unregister(struct request_queue *q);
 extern void blk_mq_hctx_kobj_init(struct blk_mq_hw_ctx *hctx);
 
+/*
+ * debugfs helpers
+ */
+#ifdef CONFIG_BLK_DEBUG_FS
+int blk_mq_debugfs_register(struct request_queue *q, const char *name);
+void blk_mq_debugfs_unregister(struct request_queue *q);
+int blk_mq_debugfs_register_hctxs(struct request_queue *q);
+void blk_mq_debugfs_unregister_hctxs(struct request_queue *q);
+#else
+static inline int blk_mq_debugfs_register(struct request_queue *q,
+                                         const char *name)
+{
+       return 0;
+}
+
+static inline void blk_mq_debugfs_unregister(struct request_queue *q)
+{
+}
+
+static inline int blk_mq_debugfs_register_hctxs(struct request_queue *q)
+{
+       return 0;
+}
+
+static inline void blk_mq_debugfs_unregister_hctxs(struct request_queue *q)
+{
+}
+#endif
+
 extern void blk_mq_rq_timed_out(struct request *req, bool reserved);
 
 void blk_mq_release(struct request_queue *q);
@@ -120,6 +158,9 @@ static inline void blk_mq_set_alloc_data(struct blk_mq_alloc_data *data,
 
 static inline struct blk_mq_tags *blk_mq_tags_from_data(struct blk_mq_alloc_data *data)
 {
+       if (data->flags & BLK_MQ_REQ_INTERNAL)
+               return data->hctx->sched_tags;
+
        return data->hctx->tags;
 }
 
@@ -128,8 +169,9 @@ static inline struct blk_mq_tags *blk_mq_tags_from_data(struct blk_mq_alloc_data
  */
 void blk_mq_rq_ctx_init(struct request_queue *q, struct blk_mq_ctx *ctx,
                        struct request *rq, unsigned int op);
-void __blk_mq_free_request(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx,
+void __blk_mq_finish_request(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx,
                                struct request *rq);
+void blk_mq_finish_request(struct request *rq);
 struct request *__blk_mq_alloc_request(struct blk_mq_alloc_data *data,
                                        unsigned int op);