NVME_QUIRK_DISCARD_ZEROES = (1 << 2),
};
+enum nvme_ctrl_state {
+ NVME_CTRL_NEW,
+ NVME_CTRL_LIVE,
+ NVME_CTRL_RESETTING,
+ NVME_CTRL_DELETING,
+};
+
struct nvme_ctrl {
+ enum nvme_ctrl_state state;
+ spinlock_t lock;
const struct nvme_ctrl_ops *ops;
struct request_queue *admin_q;
struct device *dev;
u32 vs;
bool subsystem;
unsigned long quirks;
+ struct work_struct scan_work;
};
/*
int (*reg_read64)(struct nvme_ctrl *ctrl, u32 off, u64 *val);
int (*reset_ctrl)(struct nvme_ctrl *ctrl);
void (*free_ctrl)(struct nvme_ctrl *ctrl);
+ void (*post_scan)(struct nvme_ctrl *ctrl);
};
static inline bool nvme_ctrl_ready(struct nvme_ctrl *ctrl)
(jiffies - req->start_time) < req->timeout;
}
+bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl,
+ enum nvme_ctrl_state new_state);
int nvme_disable_ctrl(struct nvme_ctrl *ctrl, u64 cap);
int nvme_enable_ctrl(struct nvme_ctrl *ctrl, u64 cap);
int nvme_shutdown_ctrl(struct nvme_ctrl *ctrl);
void nvme_put_ctrl(struct nvme_ctrl *ctrl);
int nvme_init_identify(struct nvme_ctrl *ctrl);
-void nvme_scan_namespaces(struct nvme_ctrl *ctrl);
+void nvme_queue_scan(struct nvme_ctrl *ctrl);
void nvme_remove_namespaces(struct nvme_ctrl *ctrl);
void nvme_stop_queues(struct nvme_ctrl *ctrl);