[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/block/blk-mq.h b/src/kernel/linux/v4.14/block/blk-mq.h
new file mode 100644
index 0000000..877237e
--- /dev/null
+++ b/src/kernel/linux/v4.14/block/blk-mq.h
@@ -0,0 +1,143 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef INT_BLK_MQ_H
+#define INT_BLK_MQ_H
+
+#include "blk-stat.h"
+
+struct blk_mq_tag_set;
+
+struct blk_mq_ctx {
+ struct {
+ spinlock_t lock;
+ struct list_head rq_list;
+ } ____cacheline_aligned_in_smp;
+
+ unsigned int cpu;
+ unsigned int index_hw;
+
+ /* incremented at dispatch time */
+ unsigned long rq_dispatched[2];
+ unsigned long rq_merged;
+
+ /* incremented at completion time */
+ unsigned long ____cacheline_aligned_in_smp rq_completed[2];
+
+ struct request_queue *queue;
+ struct kobject kobj;
+} ____cacheline_aligned_in_smp;
+
+void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async);
+void blk_mq_freeze_queue(struct request_queue *q);
+void blk_mq_free_queue(struct request_queue *q);
+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 request_queue *, 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_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_request_bypass_insert(struct request *rq);
+void blk_mq_insert_requests(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx,
+ struct list_head *list);
+
+/*
+ * CPU -> queue mappings
+ */
+extern int blk_mq_hw_queue_to_node(unsigned int *map, unsigned int);
+
+static inline struct blk_mq_hw_ctx *blk_mq_map_queue(struct request_queue *q,
+ int cpu)
+{
+ return q->queue_hw_ctx[q->mq_map[cpu]];
+}
+
+/*
+ * sysfs helpers
+ */
+extern void blk_mq_sysfs_init(struct request_queue *q);
+extern void blk_mq_sysfs_deinit(struct request_queue *q);
+extern int __blk_mq_register_dev(struct device *dev, struct request_queue *q);
+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);
+
+extern void blk_mq_rq_timed_out(struct request *req, bool reserved);
+
+void blk_mq_release(struct request_queue *q);
+
+static inline struct blk_mq_ctx *__blk_mq_get_ctx(struct request_queue *q,
+ unsigned int cpu)
+{
+ return per_cpu_ptr(q->queue_ctx, cpu);
+}
+
+/*
+ * This assumes per-cpu software queueing queues. They could be per-node
+ * as well, for instance. For now this is hardcoded as-is. Note that we don't
+ * care about preemption, since we know the ctx's are persistent. This does
+ * mean that we can't rely on ctx always matching the currently running CPU.
+ */
+static inline struct blk_mq_ctx *blk_mq_get_ctx(struct request_queue *q)
+{
+ return __blk_mq_get_ctx(q, get_cpu());
+}
+
+static inline void blk_mq_put_ctx(struct blk_mq_ctx *ctx)
+{
+ put_cpu();
+}
+
+struct blk_mq_alloc_data {
+ /* input parameter */
+ struct request_queue *q;
+ unsigned int flags;
+ unsigned int shallow_depth;
+
+ /* input & output parameter */
+ struct blk_mq_ctx *ctx;
+ struct blk_mq_hw_ctx *hctx;
+};
+
+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;
+}
+
+static inline bool blk_mq_hctx_stopped(struct blk_mq_hw_ctx *hctx)
+{
+ return test_bit(BLK_MQ_S_STOPPED, &hctx->state);
+}
+
+static inline bool blk_mq_hw_queue_mapped(struct blk_mq_hw_ctx *hctx)
+{
+ return hctx->nr_ctx && hctx->tags;
+}
+
+void blk_mq_in_flight(struct request_queue *q, struct hd_struct *part,
+ unsigned int inflight[2]);
+void blk_mq_in_flight_rw(struct request_queue *q, struct hd_struct *part,
+ unsigned int inflight[2]);
+
+#endif