diff options
Diffstat (limited to 'drivers/nvme/target/nvmet.h')
| -rw-r--r-- | drivers/nvme/target/nvmet.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index 592763732065..cdfa537b1c0a 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -443,7 +443,7 @@ struct nvmet_subsys *nvmet_subsys_alloc(const char *subsysnqn, void nvmet_subsys_put(struct nvmet_subsys *subsys); void nvmet_subsys_del_ctrls(struct nvmet_subsys *subsys); -struct nvmet_ns *nvmet_find_namespace(struct nvmet_ctrl *ctrl, __le32 nsid); +u16 nvmet_req_find_ns(struct nvmet_req *req); void nvmet_put_namespace(struct nvmet_ns *ns); int nvmet_ns_enable(struct nvmet_ns *ns); void nvmet_ns_disable(struct nvmet_ns *ns); @@ -551,6 +551,11 @@ static inline u32 nvmet_dsm_len(struct nvmet_req *req) sizeof(struct nvme_dsm_range); } +static inline struct nvmet_subsys *nvmet_req_subsys(struct nvmet_req *req) +{ + return req->sq->ctrl->subsys; +} + #ifdef CONFIG_NVME_TARGET_PASSTHRU void nvmet_passthru_subsys_free(struct nvmet_subsys *subsys); int nvmet_passthru_ctrl_enable(struct nvmet_subsys *subsys); @@ -585,10 +590,11 @@ static inline struct nvme_ctrl *nvmet_passthru_ctrl(struct nvmet_subsys *subsys) static inline struct nvme_ctrl * nvmet_req_passthru_ctrl(struct nvmet_req *req) { - return nvmet_passthru_ctrl(req->sq->ctrl->subsys); + return nvmet_passthru_ctrl(nvmet_req_subsys(req)); } u16 errno_to_nvme_status(struct nvmet_req *req, int errno); +u16 nvmet_report_invalid_opcode(struct nvmet_req *req); /* Convert a 32-bit number to a 16-bit 0's based number */ static inline __le16 to0based(u32 a) @@ -603,4 +609,14 @@ static inline bool nvmet_ns_has_pi(struct nvmet_ns *ns) return ns->pi_type && ns->metadata_size == sizeof(struct t10_pi_tuple); } +static inline __le64 nvmet_sect_to_lba(struct nvmet_ns *ns, sector_t sect) +{ + return cpu_to_le64(sect >> (ns->blksize_shift - SECTOR_SHIFT)); +} + +static inline sector_t nvmet_lba_to_sect(struct nvmet_ns *ns, __le64 lba) +{ + return le64_to_cpu(lba) << (ns->blksize_shift - SECTOR_SHIFT); +} + #endif /* _NVMET_H */ |