diff options
Diffstat (limited to 'drivers/scsi/ufs/ufshcd.h')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.h | 107 |
1 files changed, 68 insertions, 39 deletions
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 194755c9ddfe..52ea6f350b18 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -476,6 +476,27 @@ struct ufs_stats { struct ufs_event_hist event[UFS_EVT_CNT]; }; +/** + * enum ufshcd_state - UFS host controller state + * @UFSHCD_STATE_RESET: Link is not operational. Postpone SCSI command + * processing. + * @UFSHCD_STATE_OPERATIONAL: The host controller is operational and can process + * SCSI commands. + * @UFSHCD_STATE_EH_SCHEDULED_NON_FATAL: The error handler has been scheduled. + * SCSI commands may be submitted to the controller. + * @UFSHCD_STATE_EH_SCHEDULED_FATAL: The error handler has been scheduled. Fail + * newly submitted SCSI commands with error code DID_BAD_TARGET. + * @UFSHCD_STATE_ERROR: An unrecoverable error occurred, e.g. link recovery + * failed. Fail all SCSI commands with error code DID_ERROR. + */ +enum ufshcd_state { + UFSHCD_STATE_RESET, + UFSHCD_STATE_OPERATIONAL, + UFSHCD_STATE_EH_SCHEDULED_NON_FATAL, + UFSHCD_STATE_EH_SCHEDULED_FATAL, + UFSHCD_STATE_ERROR, +}; + enum ufshcd_quirks { /* Interrupt aggregation support is broken */ UFSHCD_QUIRK_BROKEN_INTR_AGGR = 1 << 0, @@ -641,6 +662,31 @@ struct ufs_hba_variant_params { u32 wb_flush_threshold; }; +#ifdef CONFIG_SCSI_UFS_HPB +/** + * struct ufshpb_dev_info - UFSHPB device related info + * @num_lu: the number of user logical unit to check whether all lu finished + * initialization + * @rgn_size: device reported HPB region size + * @srgn_size: device reported HPB sub-region size + * @slave_conf_cnt: counter to check all lu finished initialization + * @hpb_disabled: flag to check if HPB is disabled + * @max_hpb_single_cmd: device reported bMAX_DATA_SIZE_FOR_SINGLE_CMD value + * @is_legacy: flag to check HPB 1.0 + * @control_mode: either host or device + */ +struct ufshpb_dev_info { + int num_lu; + int rgn_size; + int srgn_size; + atomic_t slave_conf_cnt; + bool hpb_disabled; + u8 max_hpb_single_cmd; + bool is_legacy; + u8 control_mode; +}; +#endif + struct ufs_hba_monitor { unsigned long chunk_size; @@ -674,6 +720,7 @@ struct ufs_hba_monitor { * @lrb: local reference block * @cmd_queue: Used to allocate command tags from hba->host->tag_set. * @outstanding_tasks: Bits representing outstanding task requests + * @outstanding_lock: Protects @outstanding_reqs. * @outstanding_reqs: Bits representing outstanding transfer requests * @capabilities: UFS Controller Capabilities * @nutrs: Transfer Request Queue depth supported by controller @@ -683,19 +730,17 @@ struct ufs_hba_monitor { * @priv: pointer to variant specific private data * @irq: Irq number of the controller * @active_uic_cmd: handle of active UIC command - * @uic_cmd_mutex: mutex for uic command + * @uic_cmd_mutex: mutex for UIC command * @tmf_tag_set: TMF tag set. * @tmf_queue: Used to allocate TMF tags. * @pwr_done: completion for power mode change - * @ufshcd_state: UFSHCD states + * @ufshcd_state: UFSHCD state * @eh_flags: Error handling flags * @intr_mask: Interrupt Mask Bits * @ee_ctrl_mask: Exception event control mask * @is_powered: flag to check if HBA is powered * @shutting_down: flag to check if shutdown has been invoked * @host_sem: semaphore used to serialize concurrent contexts - * @eh_wq: Workqueue that eh_work works on - * @eh_work: Worker to handle UFS errors that require s/w attention * @eeh_work: Worker to handle exception events * @errors: HBA errors * @uic_error: UFS interconnect layer error status @@ -760,6 +805,7 @@ struct ufs_hba { struct ufshcd_lrb *lrb; unsigned long outstanding_tasks; + spinlock_t outstanding_lock; unsigned long outstanding_reqs; u32 capabilities; @@ -785,7 +831,7 @@ struct ufs_hba { struct mutex uic_cmd_mutex; struct completion *uic_async_done; - u32 ufshcd_state; + enum ufshcd_state ufshcd_state; u32 eh_flags; u32 intr_mask; u16 ee_ctrl_mask; /* Exception event mask */ @@ -797,8 +843,6 @@ struct ufs_hba { struct semaphore host_sem; /* Work Queues */ - struct workqueue_struct *eh_wq; - struct work_struct eh_work; struct work_struct eeh_work; /* HBA Errors */ @@ -851,6 +895,10 @@ struct ufs_hba { struct request_queue *bsg_queue; struct delayed_work rpm_dev_flush_recheck_work; +#ifdef CONFIG_SCSI_UFS_HPB + struct ufshpb_dev_info ufshpb_dev; +#endif + struct ufs_hba_monitor monitor; #ifdef CONFIG_SCSI_UFS_CRYPTO @@ -893,16 +941,8 @@ static inline bool ufshcd_is_rpm_autosuspend_allowed(struct ufs_hba *hba) static inline bool ufshcd_is_intr_aggr_allowed(struct ufs_hba *hba) { -/* DWC UFS Core has the Interrupt aggregation feature but is not detectable*/ -#ifndef CONFIG_SCSI_UFS_DWC - if ((hba->caps & UFSHCD_CAP_INTR_AGGR) && - !(hba->quirks & UFSHCD_QUIRK_BROKEN_INTR_AGGR)) - return true; - else - return false; -#else -return true; -#endif + return (hba->caps & UFSHCD_CAP_INTR_AGGR) && + !(hba->quirks & UFSHCD_QUIRK_BROKEN_INTR_AGGR); } static inline bool ufshcd_can_aggressive_pc(struct ufs_hba *hba) @@ -1009,11 +1049,14 @@ static inline u8 ufshcd_wb_get_query_index(struct ufs_hba *hba) return 0; } -extern int ufshcd_runtime_suspend(struct ufs_hba *hba); -extern int ufshcd_runtime_resume(struct ufs_hba *hba); -extern int ufshcd_runtime_idle(struct ufs_hba *hba); -extern int ufshcd_system_suspend(struct ufs_hba *hba); -extern int ufshcd_system_resume(struct ufs_hba *hba); +#ifdef CONFIG_PM +extern int ufshcd_runtime_suspend(struct device *dev); +extern int ufshcd_runtime_resume(struct device *dev); +#endif +#ifdef CONFIG_PM_SLEEP +extern int ufshcd_system_suspend(struct device *dev); +extern int ufshcd_system_resume(struct device *dev); +#endif extern int ufshcd_shutdown(struct ufs_hba *hba); extern int ufshcd_dme_configure_adapt(struct ufs_hba *hba, int agreed_gear, @@ -1096,6 +1139,9 @@ int ufshcd_read_desc_param(struct ufs_hba *hba, u8 param_offset, u8 *param_read_buf, u8 param_size); +int ufshcd_query_attr_retry(struct ufs_hba *hba, enum query_opcode opcode, + enum attr_idn idn, u8 index, u8 selector, + u32 *attr_val); int ufshcd_query_attr(struct ufs_hba *hba, enum query_opcode opcode, enum attr_idn idn, u8 index, u8 selector, u32 *attr_val); int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode, @@ -1160,11 +1206,6 @@ static inline u32 ufshcd_vops_get_ufs_hci_version(struct ufs_hba *hba) return ufshcd_readl(hba, REG_UFS_VERSION); } -static inline bool ufshcd_has_utrlcnr(struct ufs_hba *hba) -{ - return (hba->ufs_version >= ufshci_version(3, 0)); -} - static inline int ufshcd_vops_clk_scale_notify(struct ufs_hba *hba, bool up, enum ufs_notify_change_status status) { @@ -1226,18 +1267,6 @@ static inline int ufshcd_vops_pwr_change_notify(struct ufs_hba *hba, return -ENOTSUPP; } -static inline void ufshcd_vops_setup_xfer_req(struct ufs_hba *hba, int tag, - bool is_scsi_cmd) -{ - if (hba->vops && hba->vops->setup_xfer_req) { - unsigned long flags; - - spin_lock_irqsave(hba->host->host_lock, flags); - hba->vops->setup_xfer_req(hba, tag, is_scsi_cmd); - spin_unlock_irqrestore(hba->host->host_lock, flags); - } -} - static inline void ufshcd_vops_setup_task_mgmt(struct ufs_hba *hba, int tag, u8 tm_function) { |