diff options
Diffstat (limited to 'drivers/nvme/host/nvme.h')
| -rw-r--r-- | drivers/nvme/host/nvme.h | 67 |
1 files changed, 38 insertions, 29 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index ebb8c3ed3885..e7c88b40f5bb 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -300,14 +300,13 @@ struct nvme_ctrl { unsigned long quirks; struct nvme_id_power_state psd[32]; struct nvme_effects_log *effects; - struct list_head cels; + struct xarray cels; struct work_struct scan_work; struct work_struct async_event_work; struct delayed_work ka_work; struct nvme_command ka_cmd; struct work_struct fw_act_work; unsigned long events; - bool created; #ifdef CONFIG_NVME_MULTIPATH /* asymmetric namespace access: */ @@ -523,7 +522,31 @@ static inline u32 nvme_bytes_to_numd(size_t len) return (len >> 2) - 1; } -static inline bool nvme_end_request(struct request *req, __le16 status, +static inline bool nvme_is_ana_error(u16 status) +{ + switch (status & 0x7ff) { + case NVME_SC_ANA_TRANSITION: + case NVME_SC_ANA_INACCESSIBLE: + case NVME_SC_ANA_PERSISTENT_LOSS: + return true; + default: + return false; + } +} + +static inline bool nvme_is_path_error(u16 status) +{ + /* check for a status code type of 'path related status' */ + return (status & 0x700) == 0x300; +} + +/* + * Fill in the status and result information from the CQE, and then figure out + * if blk-mq will need to use IPI magic to complete the request, and if yes do + * so. If not let the caller complete the request without an indirect function + * call. + */ +static inline bool nvme_try_complete_req(struct request *req, __le16 status, union nvme_result result) { struct nvme_request *rq = nvme_req(req); @@ -581,7 +604,7 @@ void nvme_kill_queues(struct nvme_ctrl *ctrl); void nvme_sync_queues(struct nvme_ctrl *ctrl); void nvme_unfreeze(struct nvme_ctrl *ctrl); void nvme_wait_freeze(struct nvme_ctrl *ctrl); -void nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout); +int nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout); void nvme_start_freeze(struct nvme_ctrl *ctrl); #define NVME_QID_ANY -1 @@ -629,7 +652,7 @@ void nvme_mpath_wait_freeze(struct nvme_subsystem *subsys); void nvme_mpath_start_freeze(struct nvme_subsystem *subsys); void nvme_set_disk_name(char *disk_name, struct nvme_ns *ns, struct nvme_ctrl *ctrl, int *flags); -bool nvme_failover_req(struct request *req); +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); void nvme_mpath_add_disk(struct nvme_ns *ns, struct nvme_id_ns *id); @@ -659,16 +682,6 @@ static inline void nvme_trace_bio_complete(struct request *req, trace_block_bio_complete(ns->head->disk->queue, req->bio); } -static inline void nvme_mpath_update_disk_size(struct gendisk *disk) -{ - struct block_device *bdev = bdget_disk(disk, 0); - - if (bdev) { - bd_set_size(bdev, get_capacity(disk) << SECTOR_SHIFT); - bdput(bdev); - } -} - extern struct device_attribute dev_attr_ana_grpid; extern struct device_attribute dev_attr_ana_state; extern struct device_attribute subsys_attr_iopolicy; @@ -688,9 +701,8 @@ static inline void nvme_set_disk_name(char *disk_name, struct nvme_ns *ns, sprintf(disk_name, "nvme%dn%d", ctrl->instance, ns->head->instance); } -static inline bool nvme_failover_req(struct request *req) +static inline void nvme_failover_req(struct request *req) { - return false; } static inline void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl) { @@ -744,15 +756,11 @@ static inline void nvme_mpath_wait_freeze(struct nvme_subsystem *subsys) static inline void nvme_mpath_start_freeze(struct nvme_subsystem *subsys) { } -static inline void nvme_mpath_update_disk_size(struct gendisk *disk) -{ -} #endif /* CONFIG_NVME_MULTIPATH */ +int nvme_revalidate_zones(struct nvme_ns *ns); #ifdef CONFIG_BLK_DEV_ZONED -int nvme_update_zone_info(struct gendisk *disk, struct nvme_ns *ns, - unsigned lbaf); - +int nvme_update_zone_info(struct nvme_ns *ns, unsigned lbaf); int nvme_report_zones(struct gendisk *disk, sector_t sector, unsigned int nr_zones, report_zones_cb cb, void *data); @@ -769,9 +777,7 @@ static inline blk_status_t nvme_setup_zone_mgmt_send(struct nvme_ns *ns, return BLK_STS_NOTSUPP; } -static inline int nvme_update_zone_info(struct gendisk *disk, - struct nvme_ns *ns, - unsigned lbaf) +static inline int nvme_update_zone_info(struct nvme_ns *ns, unsigned lbaf) { dev_warn(ns->ctrl->device, "Please enable CONFIG_BLK_DEV_ZONED to support ZNS devices\n"); @@ -805,15 +811,18 @@ static inline struct nvme_ns *nvme_get_ns_from_dev(struct device *dev) } #ifdef CONFIG_NVME_HWMON -void nvme_hwmon_init(struct nvme_ctrl *ctrl); +int nvme_hwmon_init(struct nvme_ctrl *ctrl); #else -static inline void nvme_hwmon_init(struct nvme_ctrl *ctrl) { } +static inline int nvme_hwmon_init(struct nvme_ctrl *ctrl) +{ + return 0; +} #endif u32 nvme_command_effects(struct nvme_ctrl *ctrl, struct nvme_ns *ns, u8 opcode); void nvme_execute_passthru_rq(struct request *rq); -struct nvme_ctrl *nvme_ctrl_get_by_path(const char *path); +struct nvme_ctrl *nvme_ctrl_from_file(struct file *file); struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid); void nvme_put_ns(struct nvme_ns *ns); |