diff options
Diffstat (limited to 'drivers/nvme/target/nvmet.h')
| -rw-r--r-- | drivers/nvme/target/nvmet.h | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index b6db8b74dc4a..df69a9dee71c 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -141,13 +141,16 @@ static inline struct device *nvmet_ns_dev(struct nvmet_ns *ns) } struct nvmet_cq { + struct nvmet_ctrl *ctrl; u16 qid; u16 size; + refcount_t ref; }; struct nvmet_sq { struct nvmet_ctrl *ctrl; struct percpu_ref ref; + struct nvmet_cq *cq; u16 qid; u16 size; u32 sqhd; @@ -247,6 +250,7 @@ struct nvmet_pr_log_mgr { struct nvmet_ctrl { struct nvmet_subsys *subsys; struct nvmet_sq **sqs; + struct nvmet_cq **cqs; void *drvdata; @@ -424,7 +428,7 @@ struct nvmet_fabrics_ops { u16 (*get_max_queue_size)(const struct nvmet_ctrl *ctrl); /* Operations mandatory for PCI target controllers */ - u16 (*create_sq)(struct nvmet_ctrl *ctrl, u16 sqid, u16 flags, + u16 (*create_sq)(struct nvmet_ctrl *ctrl, u16 sqid, u16 cqid, u16 flags, u16 qsize, u64 prp1); u16 (*delete_sq)(struct nvmet_ctrl *ctrl, u16 sqid); u16 (*create_cq)(struct nvmet_ctrl *ctrl, u16 cqid, u16 flags, @@ -557,8 +561,8 @@ u32 nvmet_fabrics_admin_cmd_data_len(struct nvmet_req *req); u16 nvmet_parse_fabrics_io_cmd(struct nvmet_req *req); u32 nvmet_fabrics_io_cmd_data_len(struct nvmet_req *req); -bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq, - struct nvmet_sq *sq, const struct nvmet_fabrics_ops *ops); +bool nvmet_req_init(struct nvmet_req *req, struct nvmet_sq *sq, + const struct nvmet_fabrics_ops *ops); void nvmet_req_uninit(struct nvmet_req *req); size_t nvmet_req_transfer_len(struct nvmet_req *req); bool nvmet_check_transfer_len(struct nvmet_req *req, size_t len); @@ -571,18 +575,24 @@ void nvmet_execute_set_features(struct nvmet_req *req); void nvmet_execute_get_features(struct nvmet_req *req); void nvmet_execute_keep_alive(struct nvmet_req *req); -u16 nvmet_check_cqid(struct nvmet_ctrl *ctrl, u16 cqid); +u16 nvmet_check_cqid(struct nvmet_ctrl *ctrl, u16 cqid, bool create); +u16 nvmet_check_io_cqid(struct nvmet_ctrl *ctrl, u16 cqid, bool create); +void nvmet_cq_init(struct nvmet_cq *cq); void nvmet_cq_setup(struct nvmet_ctrl *ctrl, struct nvmet_cq *cq, u16 qid, u16 size); u16 nvmet_cq_create(struct nvmet_ctrl *ctrl, struct nvmet_cq *cq, u16 qid, u16 size); +void nvmet_cq_destroy(struct nvmet_cq *cq); +bool nvmet_cq_get(struct nvmet_cq *cq); +void nvmet_cq_put(struct nvmet_cq *cq); +bool nvmet_cq_in_use(struct nvmet_cq *cq); u16 nvmet_check_sqid(struct nvmet_ctrl *ctrl, u16 sqid, bool create); void nvmet_sq_setup(struct nvmet_ctrl *ctrl, struct nvmet_sq *sq, u16 qid, u16 size); -u16 nvmet_sq_create(struct nvmet_ctrl *ctrl, struct nvmet_sq *sq, u16 qid, - u16 size); +u16 nvmet_sq_create(struct nvmet_ctrl *ctrl, struct nvmet_sq *sq, + struct nvmet_cq *cq, u16 qid, u16 size); void nvmet_sq_destroy(struct nvmet_sq *sq); -int nvmet_sq_init(struct nvmet_sq *sq); +int nvmet_sq_init(struct nvmet_sq *sq, struct nvmet_cq *cq); void nvmet_ctrl_fatal_error(struct nvmet_ctrl *ctrl); |