diff options
Diffstat (limited to 'drivers/nvme/host/nvme.h')
| -rw-r--r-- | drivers/nvme/host/nvme.h | 47 |
1 files changed, 38 insertions, 9 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index a162f6c6da6e..1ea908d43e17 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -280,7 +280,6 @@ struct nvme_ctrl { u16 crdt[3]; u16 oncs; u16 oacs; - u16 nssa; u16 nr_streams; u16 sqsize; u32 max_namespaces; @@ -349,6 +348,9 @@ struct nvme_ctrl { unsigned long discard_page_busy; struct nvme_fault_inject fault_inject; + + enum nvme_ctrl_type cntrltype; + enum nvme_dctype dctype; }; enum nvme_iopolicy { @@ -696,9 +698,13 @@ void nvme_wait_freeze(struct nvme_ctrl *ctrl); int nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout); void nvme_start_freeze(struct nvme_ctrl *ctrl); +static inline unsigned int nvme_req_op(struct nvme_command *cmd) +{ + return nvme_is_write(cmd) ? REQ_OP_DRV_OUT : REQ_OP_DRV_IN; +} + #define NVME_QID_ANY -1 -struct request *nvme_alloc_request(struct request_queue *q, - struct nvme_command *cmd, blk_mq_req_flags_t flags); +void nvme_init_request(struct request *req, struct nvme_command *cmd); void nvme_cleanup_cmd(struct request *req); blk_status_t nvme_setup_cmd(struct nvme_ns *ns, struct request *req); blk_status_t nvme_fail_nonready_command(struct nvme_ctrl *ctrl, @@ -768,7 +774,6 @@ void nvme_mpath_unfreeze(struct nvme_subsystem *subsys); void nvme_mpath_wait_freeze(struct nvme_subsystem *subsys); void nvme_mpath_start_freeze(struct nvme_subsystem *subsys); void nvme_mpath_default_iopolicy(struct nvme_subsystem *subsys); -bool nvme_mpath_set_disk_name(struct nvme_ns *ns, char *disk_name, int *flags); void nvme_failover_req(struct request *req); void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl); int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl,struct nvme_ns_head *head); @@ -791,20 +796,17 @@ static inline void nvme_trace_bio_complete(struct request *req) trace_block_bio_complete(ns->head->disk->queue, req->bio); } +extern bool multipath; extern struct device_attribute dev_attr_ana_grpid; extern struct device_attribute dev_attr_ana_state; extern struct device_attribute subsys_attr_iopolicy; #else +#define multipath false static inline bool nvme_ctrl_use_ana(struct nvme_ctrl *ctrl) { return false; } -static inline bool nvme_mpath_set_disk_name(struct nvme_ns *ns, char *disk_name, - int *flags) -{ - return false; -} static inline void nvme_failover_req(struct request *req) { } @@ -894,6 +896,14 @@ static inline int nvme_update_zone_info(struct nvme_ns *ns, unsigned lbaf) } #endif +static inline int nvme_ctrl_init_connect_q(struct nvme_ctrl *ctrl) +{ + ctrl->connect_q = blk_mq_init_queue(ctrl->tagset); + if (IS_ERR(ctrl->connect_q)) + return PTR_ERR(ctrl->connect_q); + return 0; +} + static inline struct nvme_ns *nvme_get_ns_from_dev(struct device *dev) { return dev_to_disk(dev)->private_data; @@ -930,4 +940,23 @@ static inline bool nvme_multi_css(struct nvme_ctrl *ctrl) return (ctrl->ctrl_config & NVME_CC_CSS_MASK) == NVME_CC_CSS_CSI; } +#ifdef CONFIG_NVME_VERBOSE_ERRORS +const unsigned char *nvme_get_error_status_str(u16 status); +const unsigned char *nvme_get_opcode_str(u8 opcode); +const unsigned char *nvme_get_admin_opcode_str(u8 opcode); +#else /* CONFIG_NVME_VERBOSE_ERRORS */ +static inline const unsigned char *nvme_get_error_status_str(u16 status) +{ + return "I/O Error"; +} +static inline const unsigned char *nvme_get_opcode_str(u8 opcode) +{ + return "I/O Cmd"; +} +static inline const unsigned char *nvme_get_admin_opcode_str(u8 opcode) +{ + return "Admin Cmd"; +} +#endif /* CONFIG_NVME_VERBOSE_ERRORS */ + #endif /* _NVME_H */ |