diff options
Diffstat (limited to 'drivers/nvme/host/nvme.h')
| -rw-r--r-- | drivers/nvme/host/nvme.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 5ba9acbfddfa..3b3f855580ee 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -19,6 +19,8 @@ #include <linux/kref.h> #include <linux/blk-mq.h> +struct nvme_passthru_cmd; + extern unsigned char nvme_io_timeout; #define NVME_IO_TIMEOUT (nvme_io_timeout * HZ) @@ -34,6 +36,7 @@ struct nvme_ctrl { const struct nvme_ctrl_ops *ops; struct request_queue *admin_q; struct device *dev; + struct kref kref; int instance; char name[12]; @@ -69,6 +72,7 @@ struct nvme_ns { struct nvme_ctrl_ops { int (*reg_read32)(struct nvme_ctrl *ctrl, u32 off, u32 *val); + void (*free_ctrl)(struct nvme_ctrl *ctrl); }; static inline bool nvme_ctrl_ready(struct nvme_ctrl *ctrl) @@ -148,6 +152,9 @@ static inline int nvme_error_status(u16 status) } } +void nvme_put_ctrl(struct nvme_ctrl *ctrl); +void nvme_put_ns(struct nvme_ns *ns); + struct request *nvme_alloc_request(struct request_queue *q, struct nvme_command *cmd, unsigned int flags); int nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd, @@ -170,6 +177,13 @@ int nvme_get_features(struct nvme_ctrl *dev, unsigned fid, unsigned nsid, int nvme_set_features(struct nvme_ctrl *dev, unsigned fid, unsigned dword11, dma_addr_t dma_addr, u32 *result); +extern const struct block_device_operations nvme_fops; +extern spinlock_t dev_list_lock; + +int nvme_revalidate_disk(struct gendisk *disk); +int nvme_user_cmd(struct nvme_ctrl *ctrl, struct nvme_ns *ns, + struct nvme_passthru_cmd __user *ucmd); + struct sg_io_hdr; int nvme_sg_io(struct nvme_ns *ns, struct sg_io_hdr __user *u_hdr); |