diff options
Diffstat (limited to 'drivers/ufs/core/ufshcd-priv.h')
| -rw-r--r-- | drivers/ufs/core/ufshcd-priv.h | 54 |
1 files changed, 47 insertions, 7 deletions
diff --git a/drivers/ufs/core/ufshcd-priv.h b/drivers/ufs/core/ufshcd-priv.h index d0a2c963a27d..4259f499382f 100644 --- a/drivers/ufs/core/ufshcd-priv.h +++ b/drivers/ufs/core/ufshcd-priv.h @@ -6,6 +6,8 @@ #include <linux/pm_runtime.h> #include <ufs/ufshcd.h> +void ufshcd_enable_intr(struct ufs_hba *hba, u32 intrs); + static inline bool ufshcd_is_user_access_allowed(struct ufs_hba *hba) { return !hba->shutting_down; @@ -65,7 +67,7 @@ void ufshcd_compl_one_cqe(struct ufs_hba *hba, int task_tag, struct cq_entry *cqe); int ufshcd_mcq_init(struct ufs_hba *hba); void ufshcd_mcq_disable(struct ufs_hba *hba); -int ufshcd_mcq_decide_queue_depth(struct ufs_hba *hba); +int ufshcd_get_hba_mac(struct ufs_hba *hba); int ufshcd_mcq_memory_alloc(struct ufs_hba *hba); struct ufs_hw_queue *ufshcd_mcq_req_to_hwq(struct ufs_hba *hba, struct request *req); @@ -75,14 +77,19 @@ bool ufshcd_cmd_inflight(struct scsi_cmnd *cmd); int ufshcd_mcq_sq_cleanup(struct ufs_hba *hba, int task_tag); int ufshcd_mcq_abort(struct scsi_cmnd *cmd); int ufshcd_try_to_abort_task(struct ufs_hba *hba, int tag); -void ufshcd_release_scsi_cmd(struct ufs_hba *hba, - struct ufshcd_lrb *lrbp); +void ufshcd_release_scsi_cmd(struct ufs_hba *hba, struct scsi_cmnd *cmd); -#define SD_ASCII_STD true -#define SD_RAW false -int ufshcd_read_string_desc(struct ufs_hba *hba, u8 desc_index, - u8 **buf, bool ascii); +/** + * enum ufs_descr_fmt - UFS string descriptor format + * @SD_RAW: Raw UTF-16 format + * @SD_ASCII_STD: Convert to null-terminated ASCII string + */ +enum ufs_descr_fmt { + SD_RAW = 0, + SD_ASCII_STD = 1, +}; +int ufshcd_read_string_desc(struct ufs_hba *hba, u8 desc_index, u8 **buf, enum ufs_descr_fmt fmt); int ufshcd_send_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd); int ufshcd_send_bsg_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd); @@ -361,6 +368,26 @@ static inline bool ufs_is_valid_unit_desc_lun(struct ufs_dev_info *dev_info, u8 return lun == UFS_UPIU_RPMB_WLUN || (lun < dev_info->max_lu_supported); } +/* + * Convert a block layer tag into a SCSI command pointer. This function is + * called once per I/O completion path and is also called from error paths. + */ +static inline struct scsi_cmnd *ufshcd_tag_to_cmd(struct ufs_hba *hba, u32 tag) +{ + /* + * Host-wide tags are enabled in MCQ mode only. See also the + * host->host_tagset assignment in ufs-mcq.c. + */ + struct blk_mq_tags *tags = hba->host->tag_set.shared_tags ?: + hba->host->tag_set.tags[0]; + struct request *rq = blk_mq_tag_to_rq(tags, tag); + + if (WARN_ON_ONCE(!rq)) + return NULL; + + return blk_mq_rq_to_pdu(rq); +} + static inline void ufshcd_inc_sq_tail(struct ufs_hw_queue *q) __must_hold(&q->sq_lock) { @@ -411,4 +438,17 @@ static inline u32 ufshcd_mcq_get_sq_head_slot(struct ufs_hw_queue *q) return val / sizeof(struct utp_transfer_req_desc); } +#if IS_ENABLED(CONFIG_RPMB) +int ufs_rpmb_probe(struct ufs_hba *hba); +void ufs_rpmb_remove(struct ufs_hba *hba); +#else +static inline int ufs_rpmb_probe(struct ufs_hba *hba) +{ + return 0; +} +static inline void ufs_rpmb_remove(struct ufs_hba *hba) +{ +} +#endif + #endif /* _UFSHCD_PRIV_H_ */ |