Lines Matching full:hba
104 static bool is_mcq_supported(struct ufs_hba *hba) in is_mcq_supported() argument
106 return hba->mcq_sup && use_mcq_mode; in is_mcq_supported()
129 int ufshcd_dump_regs(struct ufs_hba *hba, size_t offset, size_t len, in ufshcd_dump_regs() argument
147 regs[pos / 4] = ufshcd_readl(hba, offset + pos); in ufshcd_dump_regs()
265 static irqreturn_t ufshcd_tmc_handler(struct ufs_hba *hba);
267 static int ufshcd_reset_and_restore(struct ufs_hba *hba);
269 static int ufshcd_clear_tm_cmd(struct ufs_hba *hba, int tag);
270 static void ufshcd_hba_exit(struct ufs_hba *hba);
271 static int ufshcd_probe_hba(struct ufs_hba *hba, bool init_dev_params);
272 static int ufshcd_setup_clocks(struct ufs_hba *hba, bool on);
273 static inline void ufshcd_add_delay_before_dme_cmd(struct ufs_hba *hba);
274 static int ufshcd_host_reset_and_restore(struct ufs_hba *hba);
275 static void ufshcd_resume_clkscaling(struct ufs_hba *hba);
276 static void ufshcd_suspend_clkscaling(struct ufs_hba *hba);
277 static void __ufshcd_suspend_clkscaling(struct ufs_hba *hba);
278 static int ufshcd_scale_clks(struct ufs_hba *hba, bool scale_up);
280 static int ufshcd_change_power_mode(struct ufs_hba *hba,
282 static int ufshcd_setup_hba_vreg(struct ufs_hba *hba, bool on);
283 static int ufshcd_setup_vreg(struct ufs_hba *hba, bool on);
284 static inline int ufshcd_config_vreg_hpm(struct ufs_hba *hba,
286 static void ufshcd_wb_toggle_buf_flush_during_h8(struct ufs_hba *hba,
288 static void ufshcd_hba_vreg_set_lpm(struct ufs_hba *hba);
289 static void ufshcd_hba_vreg_set_hpm(struct ufs_hba *hba);
291 static inline void ufshcd_enable_irq(struct ufs_hba *hba) in ufshcd_enable_irq() argument
293 if (!hba->is_irq_enabled) { in ufshcd_enable_irq()
294 enable_irq(hba->irq); in ufshcd_enable_irq()
295 hba->is_irq_enabled = true; in ufshcd_enable_irq()
299 static inline void ufshcd_disable_irq(struct ufs_hba *hba) in ufshcd_disable_irq() argument
301 if (hba->is_irq_enabled) { in ufshcd_disable_irq()
302 disable_irq(hba->irq); in ufshcd_disable_irq()
303 hba->is_irq_enabled = false; in ufshcd_disable_irq()
307 static void ufshcd_configure_wb(struct ufs_hba *hba) in ufshcd_configure_wb() argument
309 if (!ufshcd_is_wb_allowed(hba)) in ufshcd_configure_wb()
312 ufshcd_wb_toggle(hba, true); in ufshcd_configure_wb()
314 ufshcd_wb_toggle_buf_flush_during_h8(hba, true); in ufshcd_configure_wb()
316 if (ufshcd_is_wb_buf_flush_allowed(hba)) in ufshcd_configure_wb()
317 ufshcd_wb_toggle_buf_flush(hba, true); in ufshcd_configure_wb()
320 static void ufshcd_scsi_unblock_requests(struct ufs_hba *hba) in ufshcd_scsi_unblock_requests() argument
322 if (atomic_dec_and_test(&hba->scsi_block_reqs_cnt)) in ufshcd_scsi_unblock_requests()
323 scsi_unblock_requests(hba->host); in ufshcd_scsi_unblock_requests()
326 static void ufshcd_scsi_block_requests(struct ufs_hba *hba) in ufshcd_scsi_block_requests() argument
328 if (atomic_inc_return(&hba->scsi_block_reqs_cnt) == 1) in ufshcd_scsi_block_requests()
329 scsi_block_requests(hba->host); in ufshcd_scsi_block_requests()
332 static void ufshcd_add_cmd_upiu_trace(struct ufs_hba *hba, unsigned int tag, in ufshcd_add_cmd_upiu_trace() argument
335 struct utp_upiu_req *rq = hba->lrb[tag].ucd_req_ptr; in ufshcd_add_cmd_upiu_trace()
344 header = &hba->lrb[tag].ucd_rsp_ptr->header; in ufshcd_add_cmd_upiu_trace()
346 trace_ufshcd_upiu(dev_name(hba->dev), str_t, header, &rq->sc.cdb, in ufshcd_add_cmd_upiu_trace()
350 static void ufshcd_add_query_upiu_trace(struct ufs_hba *hba, in ufshcd_add_query_upiu_trace() argument
357 trace_ufshcd_upiu(dev_name(hba->dev), str_t, &rq_rsp->header, in ufshcd_add_query_upiu_trace()
361 static void ufshcd_add_tm_upiu_trace(struct ufs_hba *hba, unsigned int tag, in ufshcd_add_tm_upiu_trace() argument
364 struct utp_task_req_desc *descp = &hba->utmrdl_base_addr[tag]; in ufshcd_add_tm_upiu_trace()
370 trace_ufshcd_upiu(dev_name(hba->dev), str_t, in ufshcd_add_tm_upiu_trace()
375 trace_ufshcd_upiu(dev_name(hba->dev), str_t, in ufshcd_add_tm_upiu_trace()
381 static void ufshcd_add_uic_command_trace(struct ufs_hba *hba, in ufshcd_add_uic_command_trace() argument
393 cmd = ufshcd_readl(hba, REG_UIC_COMMAND); in ufshcd_add_uic_command_trace()
395 trace_ufshcd_uic_command(dev_name(hba->dev), str_t, cmd, in ufshcd_add_uic_command_trace()
396 ufshcd_readl(hba, REG_UIC_COMMAND_ARG_1), in ufshcd_add_uic_command_trace()
397 ufshcd_readl(hba, REG_UIC_COMMAND_ARG_2), in ufshcd_add_uic_command_trace()
398 ufshcd_readl(hba, REG_UIC_COMMAND_ARG_3)); in ufshcd_add_uic_command_trace()
401 static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag, in ufshcd_add_command_trace() argument
409 struct ufshcd_lrb *lrbp = &hba->lrb[tag]; in ufshcd_add_command_trace()
418 ufshcd_add_cmd_upiu_trace(hba, tag, str_t); in ufshcd_add_command_trace()
441 intr = ufshcd_readl(hba, REG_INTERRUPT_STATUS); in ufshcd_add_command_trace()
443 if (is_mcq_enabled(hba)) { in ufshcd_add_command_trace()
444 struct ufs_hw_queue *hwq = ufshcd_mcq_req_to_hwq(hba, rq); in ufshcd_add_command_trace()
448 doorbell = ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL); in ufshcd_add_command_trace()
450 trace_ufshcd_command(dev_name(hba->dev), str_t, tag, in ufshcd_add_command_trace()
454 static void ufshcd_print_clk_freqs(struct ufs_hba *hba) in ufshcd_print_clk_freqs() argument
457 struct list_head *head = &hba->clk_list_head; in ufshcd_print_clk_freqs()
465 dev_err(hba->dev, "clk: %s, rate: %u\n", in ufshcd_print_clk_freqs()
470 static void ufshcd_print_evt(struct ufs_hba *hba, u32 id, in ufshcd_print_evt() argument
480 e = &hba->ufs_stats.event[id]; in ufshcd_print_evt()
487 dev_err(hba->dev, "%s[%d] = 0x%x at %lld us\n", err_name, p, in ufshcd_print_evt()
493 dev_err(hba->dev, "No record of %s\n", err_name); in ufshcd_print_evt()
495 dev_err(hba->dev, "%s: total cnt=%llu\n", err_name, e->cnt); in ufshcd_print_evt()
498 static void ufshcd_print_evt_hist(struct ufs_hba *hba) in ufshcd_print_evt_hist() argument
500 ufshcd_dump_regs(hba, 0, UFSHCI_REG_SPACE_SIZE, "host_regs: "); in ufshcd_print_evt_hist()
502 ufshcd_print_evt(hba, UFS_EVT_PA_ERR, "pa_err"); in ufshcd_print_evt_hist()
503 ufshcd_print_evt(hba, UFS_EVT_DL_ERR, "dl_err"); in ufshcd_print_evt_hist()
504 ufshcd_print_evt(hba, UFS_EVT_NL_ERR, "nl_err"); in ufshcd_print_evt_hist()
505 ufshcd_print_evt(hba, UFS_EVT_TL_ERR, "tl_err"); in ufshcd_print_evt_hist()
506 ufshcd_print_evt(hba, UFS_EVT_DME_ERR, "dme_err"); in ufshcd_print_evt_hist()
507 ufshcd_print_evt(hba, UFS_EVT_AUTO_HIBERN8_ERR, in ufshcd_print_evt_hist()
509 ufshcd_print_evt(hba, UFS_EVT_FATAL_ERR, "fatal_err"); in ufshcd_print_evt_hist()
510 ufshcd_print_evt(hba, UFS_EVT_LINK_STARTUP_FAIL, in ufshcd_print_evt_hist()
512 ufshcd_print_evt(hba, UFS_EVT_RESUME_ERR, "resume_fail"); in ufshcd_print_evt_hist()
513 ufshcd_print_evt(hba, UFS_EVT_SUSPEND_ERR, in ufshcd_print_evt_hist()
515 ufshcd_print_evt(hba, UFS_EVT_WL_RES_ERR, "wlun resume_fail"); in ufshcd_print_evt_hist()
516 ufshcd_print_evt(hba, UFS_EVT_WL_SUSP_ERR, in ufshcd_print_evt_hist()
518 ufshcd_print_evt(hba, UFS_EVT_DEV_RESET, "dev_reset"); in ufshcd_print_evt_hist()
519 ufshcd_print_evt(hba, UFS_EVT_HOST_RESET, "host_reset"); in ufshcd_print_evt_hist()
520 ufshcd_print_evt(hba, UFS_EVT_ABORT, "task_abort"); in ufshcd_print_evt_hist()
522 ufshcd_vops_dbg_register_dump(hba); in ufshcd_print_evt_hist()
526 void ufshcd_print_tr(struct ufs_hba *hba, int tag, bool pr_prdt) in ufshcd_print_tr() argument
531 lrbp = &hba->lrb[tag]; in ufshcd_print_tr()
533 dev_err(hba->dev, "UPIU[%d] - issue time %lld us\n", in ufshcd_print_tr()
535 dev_err(hba->dev, "UPIU[%d] - complete time %lld us\n", in ufshcd_print_tr()
537 dev_err(hba->dev, in ufshcd_print_tr()
543 dev_err(hba->dev, "UPIU[%d] - Request UPIU phys@0x%llx\n", tag, in ufshcd_print_tr()
547 dev_err(hba->dev, "UPIU[%d] - Response UPIU phys@0x%llx\n", tag, in ufshcd_print_tr()
554 if (hba->quirks & UFSHCD_QUIRK_PRDT_BYTE_GRAN) in ufshcd_print_tr()
555 prdt_length /= ufshcd_sg_entry_size(hba); in ufshcd_print_tr()
557 dev_err(hba->dev, in ufshcd_print_tr()
564 ufshcd_sg_entry_size(hba) * prdt_length); in ufshcd_print_tr()
571 struct ufs_hba *hba = shost_priv(shost); in ufshcd_print_tr_iter() local
573 ufshcd_print_tr(hba, req->tag, *(bool *)priv); in ufshcd_print_tr_iter()
580 * @hba: per-adapter instance.
583 static void ufshcd_print_trs_all(struct ufs_hba *hba, bool pr_prdt) in ufshcd_print_trs_all() argument
585 blk_mq_tagset_busy_iter(&hba->host->tag_set, ufshcd_print_tr_iter, &pr_prdt); in ufshcd_print_trs_all()
588 static void ufshcd_print_tmrs(struct ufs_hba *hba, unsigned long bitmap) in ufshcd_print_tmrs() argument
592 for_each_set_bit(tag, &bitmap, hba->nutmrs) { in ufshcd_print_tmrs()
593 struct utp_task_req_desc *tmrdp = &hba->utmrdl_base_addr[tag]; in ufshcd_print_tmrs()
595 dev_err(hba->dev, "TM[%d] - Task Management Header\n", tag); in ufshcd_print_tmrs()
600 static void ufshcd_print_host_state(struct ufs_hba *hba) in ufshcd_print_host_state() argument
602 const struct scsi_device *sdev_ufs = hba->ufs_device_wlun; in ufshcd_print_host_state()
604 dev_err(hba->dev, "UFS Host state=%d\n", hba->ufshcd_state); in ufshcd_print_host_state()
605 dev_err(hba->dev, "outstanding reqs=0x%lx tasks=0x%lx\n", in ufshcd_print_host_state()
606 hba->outstanding_reqs, hba->outstanding_tasks); in ufshcd_print_host_state()
607 dev_err(hba->dev, "saved_err=0x%x, saved_uic_err=0x%x\n", in ufshcd_print_host_state()
608 hba->saved_err, hba->saved_uic_err); in ufshcd_print_host_state()
609 dev_err(hba->dev, "Device power mode=%d, UIC link state=%d\n", in ufshcd_print_host_state()
610 hba->curr_dev_pwr_mode, hba->uic_link_state); in ufshcd_print_host_state()
611 dev_err(hba->dev, "PM in progress=%d, sys. suspended=%d\n", in ufshcd_print_host_state()
612 hba->pm_op_in_progress, hba->is_sys_suspended); in ufshcd_print_host_state()
613 dev_err(hba->dev, "Auto BKOPS=%d, Host self-block=%d\n", in ufshcd_print_host_state()
614 hba->auto_bkops_enabled, hba->host->host_self_blocked); in ufshcd_print_host_state()
615 dev_err(hba->dev, "Clk gate=%d\n", hba->clk_gating.state); in ufshcd_print_host_state()
616 dev_err(hba->dev, in ufshcd_print_host_state()
618 div_u64(hba->ufs_stats.last_hibern8_exit_tstamp, 1000), in ufshcd_print_host_state()
619 hba->ufs_stats.hibern8_exit_cnt); in ufshcd_print_host_state()
620 dev_err(hba->dev, "last intr at %lld us, last intr status=0x%x\n", in ufshcd_print_host_state()
621 div_u64(hba->ufs_stats.last_intr_ts, 1000), in ufshcd_print_host_state()
622 hba->ufs_stats.last_intr_status); in ufshcd_print_host_state()
623 dev_err(hba->dev, "error handling flags=0x%x, req. abort count=%d\n", in ufshcd_print_host_state()
624 hba->eh_flags, hba->req_abort_count); in ufshcd_print_host_state()
625 dev_err(hba->dev, "hba->ufs_version=0x%x, Host capabilities=0x%x, caps=0x%x\n", in ufshcd_print_host_state()
626 hba->ufs_version, hba->capabilities, hba->caps); in ufshcd_print_host_state()
627 dev_err(hba->dev, "quirks=0x%x, dev. quirks=0x%x\n", hba->quirks, in ufshcd_print_host_state()
628 hba->dev_quirks); in ufshcd_print_host_state()
630 dev_err(hba->dev, "UFS dev info: %.8s %.16s rev %.4s\n", in ufshcd_print_host_state()
633 ufshcd_print_clk_freqs(hba); in ufshcd_print_host_state()
637 * ufshcd_print_pwr_info - print power params as saved in hba
639 * @hba: per-adapter instance
641 static void ufshcd_print_pwr_info(struct ufs_hba *hba) in ufshcd_print_pwr_info() argument
658 dev_dbg(hba->dev, "%s:[RX, TX]: gear=[%d, %d], lane[%d, %d], pwr[%s, %s], rate = %d\n", in ufshcd_print_pwr_info()
660 hba->pwr_info.gear_rx, hba->pwr_info.gear_tx, in ufshcd_print_pwr_info()
661 hba->pwr_info.lane_rx, hba->pwr_info.lane_tx, in ufshcd_print_pwr_info()
662 names[hba->pwr_info.pwr_rx], in ufshcd_print_pwr_info()
663 names[hba->pwr_info.pwr_tx], in ufshcd_print_pwr_info()
664 hba->pwr_info.hs_rate); in ufshcd_print_pwr_info()
667 static void ufshcd_device_reset(struct ufs_hba *hba) in ufshcd_device_reset() argument
671 err = ufshcd_vops_device_reset(hba); in ufshcd_device_reset()
674 ufshcd_set_ufs_dev_active(hba); in ufshcd_device_reset()
675 if (ufshcd_is_wb_allowed(hba)) { in ufshcd_device_reset()
676 hba->dev_info.wb_enabled = false; in ufshcd_device_reset()
677 hba->dev_info.wb_buf_flush_enabled = false; in ufshcd_device_reset()
681 ufshcd_update_evt_hist(hba, UFS_EVT_DEV_RESET, err); in ufshcd_device_reset()
698 * @hba: per-adapter interface
707 static int ufshcd_wait_for_register(struct ufs_hba *hba, u32 reg, u32 mask, in ufshcd_wait_for_register() argument
717 while ((ufshcd_readl(hba, reg) & mask) != val) { in ufshcd_wait_for_register()
720 if ((ufshcd_readl(hba, reg) & mask) != val) in ufshcd_wait_for_register()
731 * @hba: Pointer to adapter instance
735 static inline u32 ufshcd_get_intr_mask(struct ufs_hba *hba) in ufshcd_get_intr_mask() argument
737 if (hba->ufs_version == ufshci_version(1, 0)) in ufshcd_get_intr_mask()
739 if (hba->ufs_version <= ufshci_version(2, 0)) in ufshcd_get_intr_mask()
746 * ufshcd_get_ufs_version - Get the UFS version supported by the HBA
747 * @hba: Pointer to adapter instance
751 static inline u32 ufshcd_get_ufs_version(struct ufs_hba *hba) in ufshcd_get_ufs_version() argument
755 if (hba->quirks & UFSHCD_QUIRK_BROKEN_UFS_HCI_VERSION) in ufshcd_get_ufs_version()
756 ufshci_ver = ufshcd_vops_get_ufs_hci_version(hba); in ufshcd_get_ufs_version()
758 ufshci_ver = ufshcd_readl(hba, REG_UFS_VERSION); in ufshcd_get_ufs_version()
774 * @hba: pointer to adapter instance
778 static inline bool ufshcd_is_device_present(struct ufs_hba *hba) in ufshcd_is_device_present() argument
780 return ufshcd_readl(hba, REG_CONTROLLER_STATUS) & DEVICE_PRESENT; in ufshcd_is_device_present()
803 * @hba: per adapter instance
806 static inline void ufshcd_utrl_clear(struct ufs_hba *hba, u32 mask) in ufshcd_utrl_clear() argument
808 if (hba->quirks & UFSHCI_QUIRK_BROKEN_REQ_LIST_CLR) in ufshcd_utrl_clear()
823 ufshcd_writel(hba, ~mask, REG_UTP_TRANSFER_REQ_LIST_CLEAR); in ufshcd_utrl_clear()
828 * @hba: per adapter instance
831 static inline void ufshcd_utmrl_clear(struct ufs_hba *hba, u32 pos) in ufshcd_utmrl_clear() argument
833 if (hba->quirks & UFSHCI_QUIRK_BROKEN_REQ_LIST_CLR) in ufshcd_utmrl_clear()
834 ufshcd_writel(hba, (1 << pos), REG_UTP_TASK_REQ_LIST_CLEAR); in ufshcd_utmrl_clear()
836 ufshcd_writel(hba, ~(1 << pos), REG_UTP_TASK_REQ_LIST_CLEAR); in ufshcd_utmrl_clear()
852 * @hba: Pointer to adapter instance
858 static inline int ufshcd_get_uic_cmd_result(struct ufs_hba *hba) in ufshcd_get_uic_cmd_result() argument
860 return ufshcd_readl(hba, REG_UIC_COMMAND_ARG_2) & in ufshcd_get_uic_cmd_result()
866 * @hba: Pointer to adapter instance
872 static inline u32 ufshcd_get_dme_attr_val(struct ufs_hba *hba) in ufshcd_get_dme_attr_val() argument
874 return ufshcd_readl(hba, REG_UIC_COMMAND_ARG_3); in ufshcd_get_dme_attr_val()
905 * @hba: per adapter instance
908 ufshcd_reset_intr_aggr(struct ufs_hba *hba) in ufshcd_reset_intr_aggr() argument
910 ufshcd_writel(hba, INT_AGGR_ENABLE | in ufshcd_reset_intr_aggr()
917 * @hba: per adapter instance
922 ufshcd_config_intr_aggr(struct ufs_hba *hba, u8 cnt, u8 tmout) in ufshcd_config_intr_aggr() argument
924 ufshcd_writel(hba, INT_AGGR_ENABLE | INT_AGGR_PARAM_WRITE | in ufshcd_config_intr_aggr()
932 * @hba: per adapter instance
934 static inline void ufshcd_disable_intr_aggr(struct ufs_hba *hba) in ufshcd_disable_intr_aggr() argument
936 ufshcd_writel(hba, 0, REG_UTP_TRANSFER_REQ_INT_AGG_CONTROL); in ufshcd_disable_intr_aggr()
943 * @hba: per adapter instance
945 static void ufshcd_enable_run_stop_reg(struct ufs_hba *hba) in ufshcd_enable_run_stop_reg() argument
947 ufshcd_writel(hba, UTP_TASK_REQ_LIST_RUN_STOP_BIT, in ufshcd_enable_run_stop_reg()
949 ufshcd_writel(hba, UTP_TRANSFER_REQ_LIST_RUN_STOP_BIT, in ufshcd_enable_run_stop_reg()
955 * @hba: per adapter instance
957 static inline void ufshcd_hba_start(struct ufs_hba *hba) in ufshcd_hba_start() argument
961 if (ufshcd_crypto_enable(hba)) in ufshcd_hba_start()
964 ufshcd_writel(hba, val, REG_CONTROLLER_ENABLE); in ufshcd_hba_start()
969 * @hba: per adapter instance
973 bool ufshcd_is_hba_active(struct ufs_hba *hba) in ufshcd_is_hba_active() argument
975 return ufshcd_readl(hba, REG_CONTROLLER_ENABLE) & CONTROLLER_ENABLE; in ufshcd_is_hba_active()
979 u32 ufshcd_get_local_unipro_ver(struct ufs_hba *hba) in ufshcd_get_local_unipro_ver() argument
982 if (hba->ufs_version <= ufshci_version(1, 1)) in ufshcd_get_local_unipro_ver()
989 static bool ufshcd_is_unipro_pa_params_tuning_req(struct ufs_hba *hba) in ufshcd_is_unipro_pa_params_tuning_req() argument
1000 return ufshcd_get_local_unipro_ver(hba) < UFS_UNIPRO_VER_1_6; in ufshcd_is_unipro_pa_params_tuning_req()
1005 * @hba: per adapter instance
1010 static int ufshcd_set_clk_freq(struct ufs_hba *hba, bool scale_up) in ufshcd_set_clk_freq() argument
1014 struct list_head *head = &hba->clk_list_head; in ufshcd_set_clk_freq()
1027 dev_err(hba->dev, "%s: %s clk set rate(%dHz) failed, %d\n", in ufshcd_set_clk_freq()
1032 trace_ufshcd_clk_scaling(dev_name(hba->dev), in ufshcd_set_clk_freq()
1045 dev_err(hba->dev, "%s: %s clk set rate(%dHz) failed, %d\n", in ufshcd_set_clk_freq()
1050 trace_ufshcd_clk_scaling(dev_name(hba->dev), in ufshcd_set_clk_freq()
1057 dev_dbg(hba->dev, "%s: clk: %s, rate: %lu\n", __func__, in ufshcd_set_clk_freq()
1067 * @hba: per adapter instance
1072 static int ufshcd_scale_clks(struct ufs_hba *hba, bool scale_up) in ufshcd_scale_clks() argument
1077 ret = ufshcd_vops_clk_scale_notify(hba, scale_up, PRE_CHANGE); in ufshcd_scale_clks()
1081 ret = ufshcd_set_clk_freq(hba, scale_up); in ufshcd_scale_clks()
1085 ret = ufshcd_vops_clk_scale_notify(hba, scale_up, POST_CHANGE); in ufshcd_scale_clks()
1087 ufshcd_set_clk_freq(hba, !scale_up); in ufshcd_scale_clks()
1090 trace_ufshcd_profile_clk_scaling(dev_name(hba->dev), in ufshcd_scale_clks()
1098 * @hba: per adapter instance
1103 static bool ufshcd_is_devfreq_scaling_required(struct ufs_hba *hba, in ufshcd_is_devfreq_scaling_required() argument
1107 struct list_head *head = &hba->clk_list_head; in ufshcd_is_devfreq_scaling_required()
1136 static u32 ufshcd_pending_cmds(struct ufs_hba *hba) in ufshcd_pending_cmds() argument
1141 lockdep_assert_held(hba->host->host_lock); in ufshcd_pending_cmds()
1142 __shost_for_each_device(sdev, hba->host) in ufshcd_pending_cmds()
1154 static int ufshcd_wait_for_doorbell_clr(struct ufs_hba *hba, in ufshcd_wait_for_doorbell_clr() argument
1164 ufshcd_hold(hba); in ufshcd_wait_for_doorbell_clr()
1165 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_wait_for_doorbell_clr()
1172 if (hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL) { in ufshcd_wait_for_doorbell_clr()
1177 tm_doorbell = ufshcd_readl(hba, REG_UTP_TASK_REQ_DOOR_BELL); in ufshcd_wait_for_doorbell_clr()
1178 tr_pending = ufshcd_pending_cmds(hba); in ufshcd_wait_for_doorbell_clr()
1186 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_wait_for_doorbell_clr()
1198 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_wait_for_doorbell_clr()
1202 dev_err(hba->dev, in ufshcd_wait_for_doorbell_clr()
1208 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_wait_for_doorbell_clr()
1209 ufshcd_release(hba); in ufshcd_wait_for_doorbell_clr()
1215 * @hba: per adapter instance
1221 static int ufshcd_scale_gear(struct ufs_hba *hba, bool scale_up) in ufshcd_scale_gear() argument
1227 memcpy(&new_pwr_info, &hba->clk_scaling.saved_pwr_info, in ufshcd_scale_gear()
1230 memcpy(&new_pwr_info, &hba->pwr_info, in ufshcd_scale_gear()
1233 if (hba->pwr_info.gear_tx > hba->clk_scaling.min_gear || in ufshcd_scale_gear()
1234 hba->pwr_info.gear_rx > hba->clk_scaling.min_gear) { in ufshcd_scale_gear()
1236 memcpy(&hba->clk_scaling.saved_pwr_info, in ufshcd_scale_gear()
1237 &hba->pwr_info, in ufshcd_scale_gear()
1241 new_pwr_info.gear_tx = hba->clk_scaling.min_gear; in ufshcd_scale_gear()
1242 new_pwr_info.gear_rx = hba->clk_scaling.min_gear; in ufshcd_scale_gear()
1247 ret = ufshcd_config_pwr_mode(hba, &new_pwr_info); in ufshcd_scale_gear()
1249 dev_err(hba->dev, "%s: failed err %d, old gear: (tx %d rx %d), new gear: (tx %d rx %d)", in ufshcd_scale_gear()
1251 hba->pwr_info.gear_tx, hba->pwr_info.gear_rx, in ufshcd_scale_gear()
1263 static int ufshcd_clock_scaling_prepare(struct ufs_hba *hba, u64 timeout_us) in ufshcd_clock_scaling_prepare() argument
1270 ufshcd_scsi_block_requests(hba); in ufshcd_clock_scaling_prepare()
1271 mutex_lock(&hba->wb_mutex); in ufshcd_clock_scaling_prepare()
1272 down_write(&hba->clk_scaling_lock); in ufshcd_clock_scaling_prepare()
1274 if (!hba->clk_scaling.is_allowed || in ufshcd_clock_scaling_prepare()
1275 ufshcd_wait_for_doorbell_clr(hba, timeout_us)) { in ufshcd_clock_scaling_prepare()
1277 up_write(&hba->clk_scaling_lock); in ufshcd_clock_scaling_prepare()
1278 mutex_unlock(&hba->wb_mutex); in ufshcd_clock_scaling_prepare()
1279 ufshcd_scsi_unblock_requests(hba); in ufshcd_clock_scaling_prepare()
1284 ufshcd_hold(hba); in ufshcd_clock_scaling_prepare()
1290 static void ufshcd_clock_scaling_unprepare(struct ufs_hba *hba, int err, bool scale_up) in ufshcd_clock_scaling_unprepare() argument
1292 up_write(&hba->clk_scaling_lock); in ufshcd_clock_scaling_unprepare()
1295 if (ufshcd_enable_wb_if_scaling_up(hba) && !err) in ufshcd_clock_scaling_unprepare()
1296 ufshcd_wb_toggle(hba, scale_up); in ufshcd_clock_scaling_unprepare()
1298 mutex_unlock(&hba->wb_mutex); in ufshcd_clock_scaling_unprepare()
1300 ufshcd_scsi_unblock_requests(hba); in ufshcd_clock_scaling_unprepare()
1301 ufshcd_release(hba); in ufshcd_clock_scaling_unprepare()
1306 * @hba: per adapter instance
1312 static int ufshcd_devfreq_scale(struct ufs_hba *hba, bool scale_up) in ufshcd_devfreq_scale() argument
1316 ret = ufshcd_clock_scaling_prepare(hba, 1 * USEC_PER_SEC); in ufshcd_devfreq_scale()
1322 ret = ufshcd_scale_gear(hba, false); in ufshcd_devfreq_scale()
1327 ret = ufshcd_scale_clks(hba, scale_up); in ufshcd_devfreq_scale()
1330 ufshcd_scale_gear(hba, true); in ufshcd_devfreq_scale()
1336 ret = ufshcd_scale_gear(hba, true); in ufshcd_devfreq_scale()
1338 ufshcd_scale_clks(hba, false); in ufshcd_devfreq_scale()
1344 ufshcd_clock_scaling_unprepare(hba, ret, scale_up); in ufshcd_devfreq_scale()
1350 struct ufs_hba *hba = container_of(work, struct ufs_hba, in ufshcd_clk_scaling_suspend_work() local
1354 spin_lock_irqsave(hba->host->host_lock, irq_flags); in ufshcd_clk_scaling_suspend_work()
1355 if (hba->clk_scaling.active_reqs || hba->clk_scaling.is_suspended) { in ufshcd_clk_scaling_suspend_work()
1356 spin_unlock_irqrestore(hba->host->host_lock, irq_flags); in ufshcd_clk_scaling_suspend_work()
1359 hba->clk_scaling.is_suspended = true; in ufshcd_clk_scaling_suspend_work()
1360 spin_unlock_irqrestore(hba->host->host_lock, irq_flags); in ufshcd_clk_scaling_suspend_work()
1362 __ufshcd_suspend_clkscaling(hba); in ufshcd_clk_scaling_suspend_work()
1367 struct ufs_hba *hba = container_of(work, struct ufs_hba, in ufshcd_clk_scaling_resume_work() local
1371 spin_lock_irqsave(hba->host->host_lock, irq_flags); in ufshcd_clk_scaling_resume_work()
1372 if (!hba->clk_scaling.is_suspended) { in ufshcd_clk_scaling_resume_work()
1373 spin_unlock_irqrestore(hba->host->host_lock, irq_flags); in ufshcd_clk_scaling_resume_work()
1376 hba->clk_scaling.is_suspended = false; in ufshcd_clk_scaling_resume_work()
1377 spin_unlock_irqrestore(hba->host->host_lock, irq_flags); in ufshcd_clk_scaling_resume_work()
1379 devfreq_resume_device(hba->devfreq); in ufshcd_clk_scaling_resume_work()
1386 struct ufs_hba *hba = dev_get_drvdata(dev); in ufshcd_devfreq_target() local
1389 struct list_head *clk_list = &hba->clk_list_head; in ufshcd_devfreq_target()
1393 if (!ufshcd_is_clkscaling_supported(hba)) in ufshcd_devfreq_target()
1396 clki = list_first_entry(&hba->clk_list_head, struct ufs_clk_info, list); in ufshcd_devfreq_target()
1399 spin_lock_irqsave(hba->host->host_lock, irq_flags); in ufshcd_devfreq_target()
1400 if (ufshcd_eh_in_progress(hba)) { in ufshcd_devfreq_target()
1401 spin_unlock_irqrestore(hba->host->host_lock, irq_flags); in ufshcd_devfreq_target()
1405 if (!hba->clk_scaling.active_reqs) in ufshcd_devfreq_target()
1409 spin_unlock_irqrestore(hba->host->host_lock, irq_flags); in ufshcd_devfreq_target()
1418 if (!ufshcd_is_devfreq_scaling_required(hba, scale_up)) { in ufshcd_devfreq_target()
1419 spin_unlock_irqrestore(hba->host->host_lock, irq_flags); in ufshcd_devfreq_target()
1423 spin_unlock_irqrestore(hba->host->host_lock, irq_flags); in ufshcd_devfreq_target()
1426 ret = ufshcd_devfreq_scale(hba, scale_up); in ufshcd_devfreq_target()
1428 trace_ufshcd_profile_clk_scaling(dev_name(hba->dev), in ufshcd_devfreq_target()
1434 queue_work(hba->clk_scaling.workq, in ufshcd_devfreq_target()
1435 &hba->clk_scaling.suspend_work); in ufshcd_devfreq_target()
1443 struct ufs_hba *hba = dev_get_drvdata(dev); in ufshcd_devfreq_get_dev_status() local
1444 struct ufs_clk_scaling *scaling = &hba->clk_scaling; in ufshcd_devfreq_get_dev_status()
1446 struct list_head *clk_list = &hba->clk_list_head; in ufshcd_devfreq_get_dev_status()
1450 if (!ufshcd_is_clkscaling_supported(hba)) in ufshcd_devfreq_get_dev_status()
1455 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_devfreq_get_dev_status()
1484 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_devfreq_get_dev_status()
1488 static int ufshcd_devfreq_init(struct ufs_hba *hba) in ufshcd_devfreq_init() argument
1490 struct list_head *clk_list = &hba->clk_list_head; in ufshcd_devfreq_init()
1500 dev_pm_opp_add(hba->dev, clki->min_freq, 0); in ufshcd_devfreq_init()
1501 dev_pm_opp_add(hba->dev, clki->max_freq, 0); in ufshcd_devfreq_init()
1503 ufshcd_vops_config_scaling_param(hba, &hba->vps->devfreq_profile, in ufshcd_devfreq_init()
1504 &hba->vps->ondemand_data); in ufshcd_devfreq_init()
1505 devfreq = devfreq_add_device(hba->dev, in ufshcd_devfreq_init()
1506 &hba->vps->devfreq_profile, in ufshcd_devfreq_init()
1508 &hba->vps->ondemand_data); in ufshcd_devfreq_init()
1511 dev_err(hba->dev, "Unable to register with devfreq %d\n", ret); in ufshcd_devfreq_init()
1513 dev_pm_opp_remove(hba->dev, clki->min_freq); in ufshcd_devfreq_init()
1514 dev_pm_opp_remove(hba->dev, clki->max_freq); in ufshcd_devfreq_init()
1518 hba->devfreq = devfreq; in ufshcd_devfreq_init()
1523 static void ufshcd_devfreq_remove(struct ufs_hba *hba) in ufshcd_devfreq_remove() argument
1525 struct list_head *clk_list = &hba->clk_list_head; in ufshcd_devfreq_remove()
1528 if (!hba->devfreq) in ufshcd_devfreq_remove()
1531 devfreq_remove_device(hba->devfreq); in ufshcd_devfreq_remove()
1532 hba->devfreq = NULL; in ufshcd_devfreq_remove()
1535 dev_pm_opp_remove(hba->dev, clki->min_freq); in ufshcd_devfreq_remove()
1536 dev_pm_opp_remove(hba->dev, clki->max_freq); in ufshcd_devfreq_remove()
1539 static void __ufshcd_suspend_clkscaling(struct ufs_hba *hba) in __ufshcd_suspend_clkscaling() argument
1543 devfreq_suspend_device(hba->devfreq); in __ufshcd_suspend_clkscaling()
1544 spin_lock_irqsave(hba->host->host_lock, flags); in __ufshcd_suspend_clkscaling()
1545 hba->clk_scaling.window_start_t = 0; in __ufshcd_suspend_clkscaling()
1546 spin_unlock_irqrestore(hba->host->host_lock, flags); in __ufshcd_suspend_clkscaling()
1549 static void ufshcd_suspend_clkscaling(struct ufs_hba *hba) in ufshcd_suspend_clkscaling() argument
1554 cancel_work_sync(&hba->clk_scaling.suspend_work); in ufshcd_suspend_clkscaling()
1555 cancel_work_sync(&hba->clk_scaling.resume_work); in ufshcd_suspend_clkscaling()
1557 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_suspend_clkscaling()
1558 if (!hba->clk_scaling.is_suspended) { in ufshcd_suspend_clkscaling()
1560 hba->clk_scaling.is_suspended = true; in ufshcd_suspend_clkscaling()
1562 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_suspend_clkscaling()
1565 __ufshcd_suspend_clkscaling(hba); in ufshcd_suspend_clkscaling()
1568 static void ufshcd_resume_clkscaling(struct ufs_hba *hba) in ufshcd_resume_clkscaling() argument
1573 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_resume_clkscaling()
1574 if (hba->clk_scaling.is_suspended) { in ufshcd_resume_clkscaling()
1576 hba->clk_scaling.is_suspended = false; in ufshcd_resume_clkscaling()
1578 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_resume_clkscaling()
1581 devfreq_resume_device(hba->devfreq); in ufshcd_resume_clkscaling()
1587 struct ufs_hba *hba = dev_get_drvdata(dev); in ufshcd_clkscale_enable_show() local
1589 return sysfs_emit(buf, "%d\n", hba->clk_scaling.is_enabled); in ufshcd_clkscale_enable_show()
1595 struct ufs_hba *hba = dev_get_drvdata(dev); in ufshcd_clkscale_enable_store() local
1602 down(&hba->host_sem); in ufshcd_clkscale_enable_store()
1603 if (!ufshcd_is_user_access_allowed(hba)) { in ufshcd_clkscale_enable_store()
1609 if (value == hba->clk_scaling.is_enabled) in ufshcd_clkscale_enable_store()
1612 ufshcd_rpm_get_sync(hba); in ufshcd_clkscale_enable_store()
1613 ufshcd_hold(hba); in ufshcd_clkscale_enable_store()
1615 hba->clk_scaling.is_enabled = value; in ufshcd_clkscale_enable_store()
1618 ufshcd_resume_clkscaling(hba); in ufshcd_clkscale_enable_store()
1620 ufshcd_suspend_clkscaling(hba); in ufshcd_clkscale_enable_store()
1621 err = ufshcd_devfreq_scale(hba, true); in ufshcd_clkscale_enable_store()
1623 dev_err(hba->dev, "%s: failed to scale clocks up %d\n", in ufshcd_clkscale_enable_store()
1627 ufshcd_release(hba); in ufshcd_clkscale_enable_store()
1628 ufshcd_rpm_put_sync(hba); in ufshcd_clkscale_enable_store()
1630 up(&hba->host_sem); in ufshcd_clkscale_enable_store()
1634 static void ufshcd_init_clk_scaling_sysfs(struct ufs_hba *hba) in ufshcd_init_clk_scaling_sysfs() argument
1636 hba->clk_scaling.enable_attr.show = ufshcd_clkscale_enable_show; in ufshcd_init_clk_scaling_sysfs()
1637 hba->clk_scaling.enable_attr.store = ufshcd_clkscale_enable_store; in ufshcd_init_clk_scaling_sysfs()
1638 sysfs_attr_init(&hba->clk_scaling.enable_attr.attr); in ufshcd_init_clk_scaling_sysfs()
1639 hba->clk_scaling.enable_attr.attr.name = "clkscale_enable"; in ufshcd_init_clk_scaling_sysfs()
1640 hba->clk_scaling.enable_attr.attr.mode = 0644; in ufshcd_init_clk_scaling_sysfs()
1641 if (device_create_file(hba->dev, &hba->clk_scaling.enable_attr)) in ufshcd_init_clk_scaling_sysfs()
1642 dev_err(hba->dev, "Failed to create sysfs for clkscale_enable\n"); in ufshcd_init_clk_scaling_sysfs()
1645 static void ufshcd_remove_clk_scaling_sysfs(struct ufs_hba *hba) in ufshcd_remove_clk_scaling_sysfs() argument
1647 if (hba->clk_scaling.enable_attr.attr.name) in ufshcd_remove_clk_scaling_sysfs()
1648 device_remove_file(hba->dev, &hba->clk_scaling.enable_attr); in ufshcd_remove_clk_scaling_sysfs()
1651 static void ufshcd_init_clk_scaling(struct ufs_hba *hba) in ufshcd_init_clk_scaling() argument
1655 if (!ufshcd_is_clkscaling_supported(hba)) in ufshcd_init_clk_scaling()
1658 if (!hba->clk_scaling.min_gear) in ufshcd_init_clk_scaling()
1659 hba->clk_scaling.min_gear = UFS_HS_G1; in ufshcd_init_clk_scaling()
1661 INIT_WORK(&hba->clk_scaling.suspend_work, in ufshcd_init_clk_scaling()
1663 INIT_WORK(&hba->clk_scaling.resume_work, in ufshcd_init_clk_scaling()
1667 hba->host->host_no); in ufshcd_init_clk_scaling()
1668 hba->clk_scaling.workq = create_singlethread_workqueue(wq_name); in ufshcd_init_clk_scaling()
1670 hba->clk_scaling.is_initialized = true; in ufshcd_init_clk_scaling()
1673 static void ufshcd_exit_clk_scaling(struct ufs_hba *hba) in ufshcd_exit_clk_scaling() argument
1675 if (!hba->clk_scaling.is_initialized) in ufshcd_exit_clk_scaling()
1678 ufshcd_remove_clk_scaling_sysfs(hba); in ufshcd_exit_clk_scaling()
1679 destroy_workqueue(hba->clk_scaling.workq); in ufshcd_exit_clk_scaling()
1680 ufshcd_devfreq_remove(hba); in ufshcd_exit_clk_scaling()
1681 hba->clk_scaling.is_initialized = false; in ufshcd_exit_clk_scaling()
1688 struct ufs_hba *hba = container_of(work, struct ufs_hba, in ufshcd_ungate_work() local
1691 cancel_delayed_work_sync(&hba->clk_gating.gate_work); in ufshcd_ungate_work()
1693 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_ungate_work()
1694 if (hba->clk_gating.state == CLKS_ON) { in ufshcd_ungate_work()
1695 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_ungate_work()
1699 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_ungate_work()
1700 ufshcd_hba_vreg_set_hpm(hba); in ufshcd_ungate_work()
1701 ufshcd_setup_clocks(hba, true); in ufshcd_ungate_work()
1703 ufshcd_enable_irq(hba); in ufshcd_ungate_work()
1706 if (ufshcd_can_hibern8_during_gating(hba)) { in ufshcd_ungate_work()
1708 hba->clk_gating.is_suspended = true; in ufshcd_ungate_work()
1709 if (ufshcd_is_link_hibern8(hba)) { in ufshcd_ungate_work()
1710 ret = ufshcd_uic_hibern8_exit(hba); in ufshcd_ungate_work()
1712 dev_err(hba->dev, "%s: hibern8 exit failed %d\n", in ufshcd_ungate_work()
1715 ufshcd_set_link_active(hba); in ufshcd_ungate_work()
1717 hba->clk_gating.is_suspended = false; in ufshcd_ungate_work()
1724 * @hba: per adapter instance
1726 void ufshcd_hold(struct ufs_hba *hba) in ufshcd_hold() argument
1731 if (!ufshcd_is_clkgating_allowed(hba) || in ufshcd_hold()
1732 !hba->clk_gating.is_initialized) in ufshcd_hold()
1734 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_hold()
1735 hba->clk_gating.active_reqs++; in ufshcd_hold()
1738 switch (hba->clk_gating.state) { in ufshcd_hold()
1748 if (ufshcd_can_hibern8_during_gating(hba) && in ufshcd_hold()
1749 ufshcd_is_link_hibern8(hba)) { in ufshcd_hold()
1750 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_hold()
1751 flush_result = flush_work(&hba->clk_gating.ungate_work); in ufshcd_hold()
1752 if (hba->clk_gating.is_suspended && !flush_result) in ufshcd_hold()
1754 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_hold()
1759 if (cancel_delayed_work(&hba->clk_gating.gate_work)) { in ufshcd_hold()
1760 hba->clk_gating.state = CLKS_ON; in ufshcd_hold()
1761 trace_ufshcd_clk_gating(dev_name(hba->dev), in ufshcd_hold()
1762 hba->clk_gating.state); in ufshcd_hold()
1772 hba->clk_gating.state = REQ_CLKS_ON; in ufshcd_hold()
1773 trace_ufshcd_clk_gating(dev_name(hba->dev), in ufshcd_hold()
1774 hba->clk_gating.state); in ufshcd_hold()
1775 queue_work(hba->clk_gating.clk_gating_workq, in ufshcd_hold()
1776 &hba->clk_gating.ungate_work); in ufshcd_hold()
1783 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_hold()
1784 flush_work(&hba->clk_gating.ungate_work); in ufshcd_hold()
1786 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_hold()
1789 dev_err(hba->dev, "%s: clk gating is in invalid state %d\n", in ufshcd_hold()
1790 __func__, hba->clk_gating.state); in ufshcd_hold()
1793 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_hold()
1799 struct ufs_hba *hba = container_of(work, struct ufs_hba, in ufshcd_gate_work() local
1804 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_gate_work()
1811 if (hba->clk_gating.is_suspended || in ufshcd_gate_work()
1812 (hba->clk_gating.state != REQ_CLKS_OFF)) { in ufshcd_gate_work()
1813 hba->clk_gating.state = CLKS_ON; in ufshcd_gate_work()
1814 trace_ufshcd_clk_gating(dev_name(hba->dev), in ufshcd_gate_work()
1815 hba->clk_gating.state); in ufshcd_gate_work()
1819 if (hba->clk_gating.active_reqs in ufshcd_gate_work()
1820 || hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL in ufshcd_gate_work()
1821 || hba->outstanding_reqs || hba->outstanding_tasks in ufshcd_gate_work()
1822 || hba->active_uic_cmd || hba->uic_async_done) in ufshcd_gate_work()
1825 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_gate_work()
1828 if (ufshcd_can_hibern8_during_gating(hba)) { in ufshcd_gate_work()
1829 ret = ufshcd_uic_hibern8_enter(hba); in ufshcd_gate_work()
1831 hba->clk_gating.state = CLKS_ON; in ufshcd_gate_work()
1832 dev_err(hba->dev, "%s: hibern8 enter failed %d\n", in ufshcd_gate_work()
1834 trace_ufshcd_clk_gating(dev_name(hba->dev), in ufshcd_gate_work()
1835 hba->clk_gating.state); in ufshcd_gate_work()
1838 ufshcd_set_link_hibern8(hba); in ufshcd_gate_work()
1841 ufshcd_disable_irq(hba); in ufshcd_gate_work()
1843 ufshcd_setup_clocks(hba, false); in ufshcd_gate_work()
1846 ufshcd_hba_vreg_set_lpm(hba); in ufshcd_gate_work()
1856 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_gate_work()
1857 if (hba->clk_gating.state == REQ_CLKS_OFF) { in ufshcd_gate_work()
1858 hba->clk_gating.state = CLKS_OFF; in ufshcd_gate_work()
1859 trace_ufshcd_clk_gating(dev_name(hba->dev), in ufshcd_gate_work()
1860 hba->clk_gating.state); in ufshcd_gate_work()
1863 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_gate_work()
1869 static void __ufshcd_release(struct ufs_hba *hba) in __ufshcd_release() argument
1871 if (!ufshcd_is_clkgating_allowed(hba)) in __ufshcd_release()
1874 hba->clk_gating.active_reqs--; in __ufshcd_release()
1876 if (hba->clk_gating.active_reqs || hba->clk_gating.is_suspended || in __ufshcd_release()
1877 hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL || in __ufshcd_release()
1878 hba->outstanding_tasks || !hba->clk_gating.is_initialized || in __ufshcd_release()
1879 hba->active_uic_cmd || hba->uic_async_done || in __ufshcd_release()
1880 hba->clk_gating.state == CLKS_OFF) in __ufshcd_release()
1883 hba->clk_gating.state = REQ_CLKS_OFF; in __ufshcd_release()
1884 trace_ufshcd_clk_gating(dev_name(hba->dev), hba->clk_gating.state); in __ufshcd_release()
1885 queue_delayed_work(hba->clk_gating.clk_gating_workq, in __ufshcd_release()
1886 &hba->clk_gating.gate_work, in __ufshcd_release()
1887 msecs_to_jiffies(hba->clk_gating.delay_ms)); in __ufshcd_release()
1890 void ufshcd_release(struct ufs_hba *hba) in ufshcd_release() argument
1894 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_release()
1895 __ufshcd_release(hba); in ufshcd_release()
1896 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_release()
1903 struct ufs_hba *hba = dev_get_drvdata(dev); in ufshcd_clkgate_delay_show() local
1905 return sysfs_emit(buf, "%lu\n", hba->clk_gating.delay_ms); in ufshcd_clkgate_delay_show()
1910 struct ufs_hba *hba = dev_get_drvdata(dev); in ufshcd_clkgate_delay_set() local
1913 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_clkgate_delay_set()
1914 hba->clk_gating.delay_ms = value; in ufshcd_clkgate_delay_set()
1915 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_clkgate_delay_set()
1934 struct ufs_hba *hba = dev_get_drvdata(dev); in ufshcd_clkgate_enable_show() local
1936 return sysfs_emit(buf, "%d\n", hba->clk_gating.is_enabled); in ufshcd_clkgate_enable_show()
1942 struct ufs_hba *hba = dev_get_drvdata(dev); in ufshcd_clkgate_enable_store() local
1951 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_clkgate_enable_store()
1952 if (value == hba->clk_gating.is_enabled) in ufshcd_clkgate_enable_store()
1956 __ufshcd_release(hba); in ufshcd_clkgate_enable_store()
1958 hba->clk_gating.active_reqs++; in ufshcd_clkgate_enable_store()
1960 hba->clk_gating.is_enabled = value; in ufshcd_clkgate_enable_store()
1962 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_clkgate_enable_store()
1966 static void ufshcd_init_clk_gating_sysfs(struct ufs_hba *hba) in ufshcd_init_clk_gating_sysfs() argument
1968 hba->clk_gating.delay_attr.show = ufshcd_clkgate_delay_show; in ufshcd_init_clk_gating_sysfs()
1969 hba->clk_gating.delay_attr.store = ufshcd_clkgate_delay_store; in ufshcd_init_clk_gating_sysfs()
1970 sysfs_attr_init(&hba->clk_gating.delay_attr.attr); in ufshcd_init_clk_gating_sysfs()
1971 hba->clk_gating.delay_attr.attr.name = "clkgate_delay_ms"; in ufshcd_init_clk_gating_sysfs()
1972 hba->clk_gating.delay_attr.attr.mode = 0644; in ufshcd_init_clk_gating_sysfs()
1973 if (device_create_file(hba->dev, &hba->clk_gating.delay_attr)) in ufshcd_init_clk_gating_sysfs()
1974 dev_err(hba->dev, "Failed to create sysfs for clkgate_delay\n"); in ufshcd_init_clk_gating_sysfs()
1976 hba->clk_gating.enable_attr.show = ufshcd_clkgate_enable_show; in ufshcd_init_clk_gating_sysfs()
1977 hba->clk_gating.enable_attr.store = ufshcd_clkgate_enable_store; in ufshcd_init_clk_gating_sysfs()
1978 sysfs_attr_init(&hba->clk_gating.enable_attr.attr); in ufshcd_init_clk_gating_sysfs()
1979 hba->clk_gating.enable_attr.attr.name = "clkgate_enable"; in ufshcd_init_clk_gating_sysfs()
1980 hba->clk_gating.enable_attr.attr.mode = 0644; in ufshcd_init_clk_gating_sysfs()
1981 if (device_create_file(hba->dev, &hba->clk_gating.enable_attr)) in ufshcd_init_clk_gating_sysfs()
1982 dev_err(hba->dev, "Failed to create sysfs for clkgate_enable\n"); in ufshcd_init_clk_gating_sysfs()
1985 static void ufshcd_remove_clk_gating_sysfs(struct ufs_hba *hba) in ufshcd_remove_clk_gating_sysfs() argument
1987 if (hba->clk_gating.delay_attr.attr.name) in ufshcd_remove_clk_gating_sysfs()
1988 device_remove_file(hba->dev, &hba->clk_gating.delay_attr); in ufshcd_remove_clk_gating_sysfs()
1989 if (hba->clk_gating.enable_attr.attr.name) in ufshcd_remove_clk_gating_sysfs()
1990 device_remove_file(hba->dev, &hba->clk_gating.enable_attr); in ufshcd_remove_clk_gating_sysfs()
1993 static void ufshcd_init_clk_gating(struct ufs_hba *hba) in ufshcd_init_clk_gating() argument
1997 if (!ufshcd_is_clkgating_allowed(hba)) in ufshcd_init_clk_gating()
2000 hba->clk_gating.state = CLKS_ON; in ufshcd_init_clk_gating()
2002 hba->clk_gating.delay_ms = 150; in ufshcd_init_clk_gating()
2003 INIT_DELAYED_WORK(&hba->clk_gating.gate_work, ufshcd_gate_work); in ufshcd_init_clk_gating()
2004 INIT_WORK(&hba->clk_gating.ungate_work, ufshcd_ungate_work); in ufshcd_init_clk_gating()
2007 hba->host->host_no); in ufshcd_init_clk_gating()
2008 hba->clk_gating.clk_gating_workq = alloc_ordered_workqueue(wq_name, in ufshcd_init_clk_gating()
2011 ufshcd_init_clk_gating_sysfs(hba); in ufshcd_init_clk_gating()
2013 hba->clk_gating.is_enabled = true; in ufshcd_init_clk_gating()
2014 hba->clk_gating.is_initialized = true; in ufshcd_init_clk_gating()
2017 static void ufshcd_exit_clk_gating(struct ufs_hba *hba) in ufshcd_exit_clk_gating() argument
2019 if (!hba->clk_gating.is_initialized) in ufshcd_exit_clk_gating()
2022 ufshcd_remove_clk_gating_sysfs(hba); in ufshcd_exit_clk_gating()
2025 ufshcd_hold(hba); in ufshcd_exit_clk_gating()
2026 hba->clk_gating.is_initialized = false; in ufshcd_exit_clk_gating()
2027 ufshcd_release(hba); in ufshcd_exit_clk_gating()
2029 destroy_workqueue(hba->clk_gating.clk_gating_workq); in ufshcd_exit_clk_gating()
2032 static void ufshcd_clk_scaling_start_busy(struct ufs_hba *hba) in ufshcd_clk_scaling_start_busy() argument
2038 if (!ufshcd_is_clkscaling_supported(hba)) in ufshcd_clk_scaling_start_busy()
2041 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_clk_scaling_start_busy()
2042 if (!hba->clk_scaling.active_reqs++) in ufshcd_clk_scaling_start_busy()
2045 if (!hba->clk_scaling.is_enabled || hba->pm_op_in_progress) { in ufshcd_clk_scaling_start_busy()
2046 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_clk_scaling_start_busy()
2051 queue_work(hba->clk_scaling.workq, in ufshcd_clk_scaling_start_busy()
2052 &hba->clk_scaling.resume_work); in ufshcd_clk_scaling_start_busy()
2054 if (!hba->clk_scaling.window_start_t) { in ufshcd_clk_scaling_start_busy()
2055 hba->clk_scaling.window_start_t = curr_t; in ufshcd_clk_scaling_start_busy()
2056 hba->clk_scaling.tot_busy_t = 0; in ufshcd_clk_scaling_start_busy()
2057 hba->clk_scaling.is_busy_started = false; in ufshcd_clk_scaling_start_busy()
2060 if (!hba->clk_scaling.is_busy_started) { in ufshcd_clk_scaling_start_busy()
2061 hba->clk_scaling.busy_start_t = curr_t; in ufshcd_clk_scaling_start_busy()
2062 hba->clk_scaling.is_busy_started = true; in ufshcd_clk_scaling_start_busy()
2064 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_clk_scaling_start_busy()
2067 static void ufshcd_clk_scaling_update_busy(struct ufs_hba *hba) in ufshcd_clk_scaling_update_busy() argument
2069 struct ufs_clk_scaling *scaling = &hba->clk_scaling; in ufshcd_clk_scaling_update_busy()
2072 if (!ufshcd_is_clkscaling_supported(hba)) in ufshcd_clk_scaling_update_busy()
2075 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_clk_scaling_update_busy()
2076 hba->clk_scaling.active_reqs--; in ufshcd_clk_scaling_update_busy()
2083 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_clk_scaling_update_busy()
2096 static inline bool ufshcd_should_inform_monitor(struct ufs_hba *hba, in ufshcd_should_inform_monitor() argument
2099 const struct ufs_hba_monitor *m = &hba->monitor; in ufshcd_should_inform_monitor()
2103 ktime_before(hba->monitor.enabled_ts, lrbp->issue_time_stamp)); in ufshcd_should_inform_monitor()
2106 static void ufshcd_start_monitor(struct ufs_hba *hba, in ufshcd_start_monitor() argument
2112 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_start_monitor()
2113 if (dir >= 0 && hba->monitor.nr_queued[dir]++ == 0) in ufshcd_start_monitor()
2114 hba->monitor.busy_start_ts[dir] = ktime_get(); in ufshcd_start_monitor()
2115 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_start_monitor()
2118 static void ufshcd_update_monitor(struct ufs_hba *hba, const struct ufshcd_lrb *lrbp) in ufshcd_update_monitor() argument
2123 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_update_monitor()
2124 if (dir >= 0 && hba->monitor.nr_queued[dir] > 0) { in ufshcd_update_monitor()
2126 struct ufs_hba_monitor *m = &hba->monitor; in ufshcd_update_monitor()
2147 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_update_monitor()
2152 * @hba: per adapter instance
2157 void ufshcd_send_command(struct ufs_hba *hba, unsigned int task_tag, in ufshcd_send_command() argument
2160 struct ufshcd_lrb *lrbp = &hba->lrb[task_tag]; in ufshcd_send_command()
2167 ufshcd_add_command_trace(hba, task_tag, UFS_CMD_SEND); in ufshcd_send_command()
2168 ufshcd_clk_scaling_start_busy(hba); in ufshcd_send_command()
2169 if (unlikely(ufshcd_should_inform_monitor(hba, lrbp))) in ufshcd_send_command()
2170 ufshcd_start_monitor(hba, lrbp); in ufshcd_send_command()
2172 if (is_mcq_enabled(hba)) { in ufshcd_send_command()
2182 spin_lock_irqsave(&hba->outstanding_lock, flags); in ufshcd_send_command()
2183 if (hba->vops && hba->vops->setup_xfer_req) in ufshcd_send_command()
2184 hba->vops->setup_xfer_req(hba, lrbp->task_tag, in ufshcd_send_command()
2186 __set_bit(lrbp->task_tag, &hba->outstanding_reqs); in ufshcd_send_command()
2187 ufshcd_writel(hba, 1 << lrbp->task_tag, in ufshcd_send_command()
2189 spin_unlock_irqrestore(&hba->outstanding_lock, flags); in ufshcd_send_command()
2218 * @hba: per adapter instance
2224 int ufshcd_copy_query_response(struct ufs_hba *hba, struct ufshcd_lrb *lrbp) in ufshcd_copy_query_response() argument
2226 struct ufs_query_res *query_res = &hba->dev_cmd.query.response; in ufshcd_copy_query_response()
2231 if (hba->dev_cmd.query.descriptor && in ufshcd_copy_query_response()
2242 hba->dev_cmd.query.request.upiu_req.length); in ufshcd_copy_query_response()
2244 memcpy(hba->dev_cmd.query.descriptor, descp, resp_len); in ufshcd_copy_query_response()
2246 dev_warn(hba->dev, in ufshcd_copy_query_response()
2258 * @hba: per adapter instance
2262 static inline int ufshcd_hba_capabilities(struct ufs_hba *hba) in ufshcd_hba_capabilities() argument
2266 hba->capabilities = ufshcd_readl(hba, REG_CONTROLLER_CAPABILITIES); in ufshcd_hba_capabilities()
2267 if (hba->quirks & UFSHCD_QUIRK_BROKEN_64BIT_ADDRESS) in ufshcd_hba_capabilities()
2268 hba->capabilities &= ~MASK_64_ADDRESSING_SUPPORT; in ufshcd_hba_capabilities()
2271 hba->nutrs = (hba->capabilities & MASK_TRANSFER_REQUESTS_SLOTS) + 1; in ufshcd_hba_capabilities()
2272 hba->nutmrs = in ufshcd_hba_capabilities()
2273 ((hba->capabilities & MASK_TASK_MANAGEMENT_REQUEST_SLOTS) >> 16) + 1; in ufshcd_hba_capabilities()
2274 hba->reserved_slot = hba->nutrs - 1; in ufshcd_hba_capabilities()
2277 err = ufshcd_hba_init_crypto_capabilities(hba); in ufshcd_hba_capabilities()
2279 dev_err(hba->dev, "crypto setup failed\n"); in ufshcd_hba_capabilities()
2283 hba->mcq_sup = FIELD_GET(MASK_MCQ_SUPPORT, hba->capabilities); in ufshcd_hba_capabilities()
2284 if (!hba->mcq_sup) in ufshcd_hba_capabilities()
2287 hba->mcq_capabilities = ufshcd_readl(hba, REG_MCQCAP); in ufshcd_hba_capabilities()
2288 hba->ext_iid_sup = FIELD_GET(MASK_EXT_IID_SUPPORT, in ufshcd_hba_capabilities()
2289 hba->mcq_capabilities); in ufshcd_hba_capabilities()
2297 * @hba: per adapter instance
2301 static inline bool ufshcd_ready_for_uic_cmd(struct ufs_hba *hba) in ufshcd_ready_for_uic_cmd() argument
2305 500, UIC_CMD_TIMEOUT * 1000, false, hba, in ufshcd_ready_for_uic_cmd()
2312 * @hba: Pointer to adapter instance
2318 static inline u8 ufshcd_get_upmcrs(struct ufs_hba *hba) in ufshcd_get_upmcrs() argument
2320 return (ufshcd_readl(hba, REG_CONTROLLER_STATUS) >> 8) & 0x7; in ufshcd_get_upmcrs()
2325 * @hba: per adapter instance
2329 ufshcd_dispatch_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd) in ufshcd_dispatch_uic_cmd() argument
2331 lockdep_assert_held(&hba->uic_cmd_mutex); in ufshcd_dispatch_uic_cmd()
2333 WARN_ON(hba->active_uic_cmd); in ufshcd_dispatch_uic_cmd()
2335 hba->active_uic_cmd = uic_cmd; in ufshcd_dispatch_uic_cmd()
2338 ufshcd_writel(hba, uic_cmd->argument1, REG_UIC_COMMAND_ARG_1); in ufshcd_dispatch_uic_cmd()
2339 ufshcd_writel(hba, uic_cmd->argument2, REG_UIC_COMMAND_ARG_2); in ufshcd_dispatch_uic_cmd()
2340 ufshcd_writel(hba, uic_cmd->argument3, REG_UIC_COMMAND_ARG_3); in ufshcd_dispatch_uic_cmd()
2342 ufshcd_add_uic_command_trace(hba, uic_cmd, UFS_CMD_SEND); in ufshcd_dispatch_uic_cmd()
2345 ufshcd_writel(hba, uic_cmd->command & COMMAND_OPCODE_MASK, in ufshcd_dispatch_uic_cmd()
2351 * @hba: per adapter instance
2357 ufshcd_wait_for_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd) in ufshcd_wait_for_uic_cmd() argument
2362 lockdep_assert_held(&hba->uic_cmd_mutex); in ufshcd_wait_for_uic_cmd()
2369 dev_err(hba->dev, in ufshcd_wait_for_uic_cmd()
2374 dev_err(hba->dev, "%s: UIC cmd has been completed, return the result\n", in ufshcd_wait_for_uic_cmd()
2380 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_wait_for_uic_cmd()
2381 hba->active_uic_cmd = NULL; in ufshcd_wait_for_uic_cmd()
2382 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_wait_for_uic_cmd()
2389 * @hba: per adapter instance
2396 __ufshcd_send_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd, in __ufshcd_send_uic_cmd() argument
2399 lockdep_assert_held(&hba->uic_cmd_mutex); in __ufshcd_send_uic_cmd()
2401 if (!ufshcd_ready_for_uic_cmd(hba)) { in __ufshcd_send_uic_cmd()
2402 dev_err(hba->dev, in __ufshcd_send_uic_cmd()
2411 ufshcd_dispatch_uic_cmd(hba, uic_cmd); in __ufshcd_send_uic_cmd()
2418 * @hba: per adapter instance
2423 int ufshcd_send_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd) in ufshcd_send_uic_cmd() argument
2427 if (hba->quirks & UFSHCD_QUIRK_BROKEN_UIC_CMD) in ufshcd_send_uic_cmd()
2430 ufshcd_hold(hba); in ufshcd_send_uic_cmd()
2431 mutex_lock(&hba->uic_cmd_mutex); in ufshcd_send_uic_cmd()
2432 ufshcd_add_delay_before_dme_cmd(hba); in ufshcd_send_uic_cmd()
2434 ret = __ufshcd_send_uic_cmd(hba, uic_cmd, true); in ufshcd_send_uic_cmd()
2436 ret = ufshcd_wait_for_uic_cmd(hba, uic_cmd); in ufshcd_send_uic_cmd()
2438 mutex_unlock(&hba->uic_cmd_mutex); in ufshcd_send_uic_cmd()
2440 ufshcd_release(hba); in ufshcd_send_uic_cmd()
2446 * @hba: per-adapter instance
2451 static void ufshcd_sgl_to_prdt(struct ufs_hba *hba, struct ufshcd_lrb *lrbp, int sg_entries, in ufshcd_sgl_to_prdt() argument
2460 if (hba->quirks & UFSHCD_QUIRK_PRDT_BYTE_GRAN) in ufshcd_sgl_to_prdt()
2462 cpu_to_le16(sg_entries * ufshcd_sg_entry_size(hba)); in ufshcd_sgl_to_prdt()
2483 prd = (void *)prd + ufshcd_sg_entry_size(hba); in ufshcd_sgl_to_prdt()
2492 * @hba: per adapter instance
2497 static int ufshcd_map_sg(struct ufs_hba *hba, struct ufshcd_lrb *lrbp) in ufshcd_map_sg() argument
2505 ufshcd_sgl_to_prdt(hba, lrbp, sg_segments, scsi_sglist(cmd)); in ufshcd_map_sg()
2512 * @hba: per adapter instance
2515 static void ufshcd_enable_intr(struct ufs_hba *hba, u32 intrs) in ufshcd_enable_intr() argument
2517 u32 set = ufshcd_readl(hba, REG_INTERRUPT_ENABLE); in ufshcd_enable_intr()
2519 if (hba->ufs_version == ufshci_version(1, 0)) { in ufshcd_enable_intr()
2527 ufshcd_writel(hba, set, REG_INTERRUPT_ENABLE); in ufshcd_enable_intr()
2532 * @hba: per adapter instance
2535 static void ufshcd_disable_intr(struct ufs_hba *hba, u32 intrs) in ufshcd_disable_intr() argument
2537 u32 set = ufshcd_readl(hba, REG_INTERRUPT_ENABLE); in ufshcd_disable_intr()
2539 if (hba->ufs_version == ufshci_version(1, 0)) { in ufshcd_disable_intr()
2549 ufshcd_writel(hba, set, REG_INTERRUPT_ENABLE); in ufshcd_disable_intr()
2632 * @hba: UFS hba
2636 static void ufshcd_prepare_utp_query_req_upiu(struct ufs_hba *hba, in ufshcd_prepare_utp_query_req_upiu() argument
2640 struct ufs_query *query = &hba->dev_cmd.query; in ufshcd_prepare_utp_query_req_upiu()
2686 * @hba: per adapter instance
2691 static int ufshcd_compose_devman_upiu(struct ufs_hba *hba, in ufshcd_compose_devman_upiu() argument
2697 if (hba->ufs_version <= ufshci_version(1, 1)) in ufshcd_compose_devman_upiu()
2703 if (hba->dev_cmd.type == DEV_CMD_TYPE_QUERY) in ufshcd_compose_devman_upiu()
2704 ufshcd_prepare_utp_query_req_upiu(hba, lrbp, upiu_flags); in ufshcd_compose_devman_upiu()
2705 else if (hba->dev_cmd.type == DEV_CMD_TYPE_NOP) in ufshcd_compose_devman_upiu()
2716 * @hba: per adapter instance
2721 static int ufshcd_comp_scsi_upiu(struct ufs_hba *hba, struct ufshcd_lrb *lrbp) in ufshcd_comp_scsi_upiu() argument
2726 if (hba->ufs_version <= ufshci_version(1, 1)) in ufshcd_comp_scsi_upiu()
2764 struct ufs_hba *hba = shost_priv(shost); in ufshcd_map_queues() local
2767 if (!is_mcq_supported(hba)) { in ufshcd_map_queues()
2768 hba->nr_queues[HCTX_TYPE_DEFAULT] = 1; in ufshcd_map_queues()
2769 hba->nr_queues[HCTX_TYPE_READ] = 0; in ufshcd_map_queues()
2770 hba->nr_queues[HCTX_TYPE_POLL] = 1; in ufshcd_map_queues()
2771 hba->nr_hw_queues = 1; in ufshcd_map_queues()
2777 map->nr_queues = hba->nr_queues[i]; in ufshcd_map_queues()
2781 if (i == HCTX_TYPE_POLL && !is_mcq_supported(hba)) in ufshcd_map_queues()
2789 static void ufshcd_init_lrb(struct ufs_hba *hba, struct ufshcd_lrb *lrb, int i) in ufshcd_init_lrb() argument
2791 struct utp_transfer_cmd_desc *cmd_descp = (void *)hba->ucdl_base_addr + in ufshcd_init_lrb()
2792 i * ufshcd_get_ucd_size(hba); in ufshcd_init_lrb()
2793 struct utp_transfer_req_desc *utrdlp = hba->utrdl_base_addr; in ufshcd_init_lrb()
2794 dma_addr_t cmd_desc_element_addr = hba->ucdl_dma_addr + in ufshcd_init_lrb()
2795 i * ufshcd_get_ucd_size(hba); in ufshcd_init_lrb()
2801 lrb->utrd_dma_addr = hba->utrdl_dma_addr + in ufshcd_init_lrb()
2820 struct ufs_hba *hba = shost_priv(host); in ufshcd_queuecommand() local
2826 WARN_ONCE(tag < 0 || tag >= hba->nutrs, "Invalid tag %d\n", tag); in ufshcd_queuecommand()
2828 switch (hba->ufshcd_state) { in ufshcd_queuecommand()
2839 if (ufshcd_eh_in_progress(hba)) { in ufshcd_queuecommand()
2847 * stage. If a scsi cmd, e.g. the SSU cmd, is sent from hba's in ufshcd_queuecommand()
2855 if (hba->pm_op_in_progress) { in ufshcd_queuecommand()
2856 hba->force_reset = true; in ufshcd_queuecommand()
2871 hba->req_abort_count = 0; in ufshcd_queuecommand()
2873 ufshcd_hold(hba); in ufshcd_queuecommand()
2875 lrbp = &hba->lrb[tag]; in ufshcd_queuecommand()
2879 lrbp->intr_cmd = !ufshcd_is_intr_aggr_allowed(hba); in ufshcd_queuecommand()
2885 ufshcd_comp_scsi_upiu(hba, lrbp); in ufshcd_queuecommand()
2887 err = ufshcd_map_sg(hba, lrbp); in ufshcd_queuecommand()
2889 ufshcd_release(hba); in ufshcd_queuecommand()
2893 if (is_mcq_enabled(hba)) in ufshcd_queuecommand()
2894 hwq = ufshcd_mcq_req_to_hwq(hba, scsi_cmd_to_rq(cmd)); in ufshcd_queuecommand()
2896 ufshcd_send_command(hba, tag, hwq); in ufshcd_queuecommand()
2902 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_queuecommand()
2903 ufshcd_schedule_eh_work(hba); in ufshcd_queuecommand()
2904 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_queuecommand()
2910 static int ufshcd_compose_dev_cmd(struct ufs_hba *hba, in ufshcd_compose_dev_cmd() argument
2918 hba->dev_cmd.type = cmd_type; in ufshcd_compose_dev_cmd()
2920 return ufshcd_compose_devman_upiu(hba, lrbp); in ufshcd_compose_dev_cmd()
2946 * @hba: per adapter instance
2949 static int ufshcd_clear_cmd(struct ufs_hba *hba, u32 task_tag) in ufshcd_clear_cmd() argument
2955 if (is_mcq_enabled(hba)) { in ufshcd_clear_cmd()
2960 err = ufshcd_mcq_sq_cleanup(hba, task_tag); in ufshcd_clear_cmd()
2962 dev_err(hba->dev, "%s: failed tag=%d. err=%d\n", in ufshcd_clear_cmd()
2970 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_clear_cmd()
2971 ufshcd_utrl_clear(hba, mask); in ufshcd_clear_cmd()
2972 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_clear_cmd()
2978 return ufshcd_wait_for_register(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL, in ufshcd_clear_cmd()
2984 * @hba: per adapter instance
2990 ufshcd_dev_cmd_completion(struct ufs_hba *hba, struct ufshcd_lrb *lrbp) in ufshcd_dev_cmd_completion() argument
2995 hba->ufs_stats.last_hibern8_exit_tstamp = ktime_set(0, 0); in ufshcd_dev_cmd_completion()
3000 if (hba->dev_cmd.type != DEV_CMD_TYPE_NOP) { in ufshcd_dev_cmd_completion()
3002 dev_err(hba->dev, "%s: unexpected response %x\n", in ufshcd_dev_cmd_completion()
3010 err = ufshcd_copy_query_response(hba, lrbp); in ufshcd_dev_cmd_completion()
3016 dev_err(hba->dev, "%s: Reject UPIU not fully implemented\n", in ufshcd_dev_cmd_completion()
3020 if (hba->dev_cmd.type != DEV_CMD_TYPE_RPMB) { in ufshcd_dev_cmd_completion()
3022 dev_err(hba->dev, "%s: unexpected response %x\n", __func__, resp); in ufshcd_dev_cmd_completion()
3027 dev_err(hba->dev, "%s: Invalid device management cmd response: %x\n", in ufshcd_dev_cmd_completion()
3035 static int ufshcd_wait_for_dev_cmd(struct ufs_hba *hba, in ufshcd_wait_for_dev_cmd() argument
3044 time_left = wait_for_completion_timeout(hba->dev_cmd.complete, in ufshcd_wait_for_dev_cmd()
3053 hba->dev_cmd.complete = NULL; in ufshcd_wait_for_dev_cmd()
3056 err = ufshcd_dev_cmd_completion(hba, lrbp); in ufshcd_wait_for_dev_cmd()
3059 dev_dbg(hba->dev, "%s: dev_cmd request timedout, tag %d\n", in ufshcd_wait_for_dev_cmd()
3063 if (is_mcq_enabled(hba)) { in ufshcd_wait_for_dev_cmd()
3064 err = ufshcd_clear_cmd(hba, lrbp->task_tag); in ufshcd_wait_for_dev_cmd()
3065 hba->dev_cmd.complete = NULL; in ufshcd_wait_for_dev_cmd()
3070 if (ufshcd_clear_cmd(hba, lrbp->task_tag) == 0) { in ufshcd_wait_for_dev_cmd()
3078 spin_lock_irqsave(&hba->outstanding_lock, flags); in ufshcd_wait_for_dev_cmd()
3080 &hba->outstanding_reqs); in ufshcd_wait_for_dev_cmd()
3082 hba->dev_cmd.complete = NULL; in ufshcd_wait_for_dev_cmd()
3084 &hba->outstanding_reqs); in ufshcd_wait_for_dev_cmd()
3086 spin_unlock_irqrestore(&hba->outstanding_lock, flags); in ufshcd_wait_for_dev_cmd()
3097 dev_err(hba->dev, "%s: failed to clear tag %d\n", in ufshcd_wait_for_dev_cmd()
3100 spin_lock_irqsave(&hba->outstanding_lock, flags); in ufshcd_wait_for_dev_cmd()
3102 &hba->outstanding_reqs); in ufshcd_wait_for_dev_cmd()
3104 hba->dev_cmd.complete = NULL; in ufshcd_wait_for_dev_cmd()
3105 spin_unlock_irqrestore(&hba->outstanding_lock, flags); in ufshcd_wait_for_dev_cmd()
3123 * @hba: UFS hba
3130 * it is expected you hold the hba->dev_cmd.lock mutex.
3132 static int ufshcd_exec_dev_cmd(struct ufs_hba *hba, in ufshcd_exec_dev_cmd() argument
3136 const u32 tag = hba->reserved_slot; in ufshcd_exec_dev_cmd()
3140 /* Protects use of hba->reserved_slot. */ in ufshcd_exec_dev_cmd()
3141 lockdep_assert_held(&hba->dev_cmd.lock); in ufshcd_exec_dev_cmd()
3143 down_read(&hba->clk_scaling_lock); in ufshcd_exec_dev_cmd()
3145 lrbp = &hba->lrb[tag]; in ufshcd_exec_dev_cmd()
3147 err = ufshcd_compose_dev_cmd(hba, lrbp, cmd_type, tag); in ufshcd_exec_dev_cmd()
3151 hba->dev_cmd.complete = &wait; in ufshcd_exec_dev_cmd()
3153 ufshcd_add_query_upiu_trace(hba, UFS_QUERY_SEND, lrbp->ucd_req_ptr); in ufshcd_exec_dev_cmd()
3155 ufshcd_send_command(hba, tag, hba->dev_cmd_queue); in ufshcd_exec_dev_cmd()
3156 err = ufshcd_wait_for_dev_cmd(hba, lrbp, timeout); in ufshcd_exec_dev_cmd()
3157 ufshcd_add_query_upiu_trace(hba, err ? UFS_QUERY_ERR : UFS_QUERY_COMP, in ufshcd_exec_dev_cmd()
3161 up_read(&hba->clk_scaling_lock); in ufshcd_exec_dev_cmd()
3167 * @hba: per-adapter instance
3175 static inline void ufshcd_init_query(struct ufs_hba *hba, in ufshcd_init_query() argument
3179 *request = &hba->dev_cmd.query.request; in ufshcd_init_query()
3180 *response = &hba->dev_cmd.query.response; in ufshcd_init_query()
3189 static int ufshcd_query_flag_retry(struct ufs_hba *hba, in ufshcd_query_flag_retry() argument
3196 ret = ufshcd_query_flag(hba, opcode, idn, index, flag_res); in ufshcd_query_flag_retry()
3198 dev_dbg(hba->dev, in ufshcd_query_flag_retry()
3206 dev_err(hba->dev, in ufshcd_query_flag_retry()
3214 * @hba: per-adapter instance
3222 int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode, in ufshcd_query_flag() argument
3230 BUG_ON(!hba); in ufshcd_query_flag()
3232 ufshcd_hold(hba); in ufshcd_query_flag()
3233 mutex_lock(&hba->dev_cmd.lock); in ufshcd_query_flag()
3234 ufshcd_init_query(hba, &request, &response, opcode, idn, index, in ufshcd_query_flag()
3247 dev_err(hba->dev, "%s: Invalid argument for read request\n", in ufshcd_query_flag()
3254 dev_err(hba->dev, in ufshcd_query_flag()
3261 err = ufshcd_exec_dev_cmd(hba, DEV_CMD_TYPE_QUERY, timeout); in ufshcd_query_flag()
3264 dev_err(hba->dev, in ufshcd_query_flag()
3275 mutex_unlock(&hba->dev_cmd.lock); in ufshcd_query_flag()
3276 ufshcd_release(hba); in ufshcd_query_flag()
3282 * @hba: per-adapter instance
3291 int ufshcd_query_attr(struct ufs_hba *hba, enum query_opcode opcode, in ufshcd_query_attr() argument
3298 BUG_ON(!hba); in ufshcd_query_attr()
3301 dev_err(hba->dev, "%s: attribute value required for opcode 0x%x\n", in ufshcd_query_attr()
3306 ufshcd_hold(hba); in ufshcd_query_attr()
3308 mutex_lock(&hba->dev_cmd.lock); in ufshcd_query_attr()
3309 ufshcd_init_query(hba, &request, &response, opcode, idn, index, in ufshcd_query_attr()
3321 dev_err(hba->dev, "%s: Expected query attr opcode but got = 0x%.2x\n", in ufshcd_query_attr()
3327 err = ufshcd_exec_dev_cmd(hba, DEV_CMD_TYPE_QUERY, QUERY_REQ_TIMEOUT); in ufshcd_query_attr()
3330 dev_err(hba->dev, "%s: opcode 0x%.2x for idn %d failed, index %d, err = %d\n", in ufshcd_query_attr()
3338 mutex_unlock(&hba->dev_cmd.lock); in ufshcd_query_attr()
3339 ufshcd_release(hba); in ufshcd_query_attr()
3346 * @hba: per-adapter instance
3356 int ufshcd_query_attr_retry(struct ufs_hba *hba, in ufshcd_query_attr_retry() argument
3364 ret = ufshcd_query_attr(hba, opcode, idn, index, in ufshcd_query_attr_retry()
3367 dev_dbg(hba->dev, "%s: failed with error %d, retries %d\n", in ufshcd_query_attr_retry()
3374 dev_err(hba->dev, in ufshcd_query_attr_retry()
3380 static int __ufshcd_query_descriptor(struct ufs_hba *hba, in __ufshcd_query_descriptor() argument
3388 BUG_ON(!hba); in __ufshcd_query_descriptor()
3391 dev_err(hba->dev, "%s: descriptor buffer required for opcode 0x%x\n", in __ufshcd_query_descriptor()
3397 dev_err(hba->dev, "%s: descriptor buffer size (%d) is out of range\n", in __ufshcd_query_descriptor()
3402 ufshcd_hold(hba); in __ufshcd_query_descriptor()
3404 mutex_lock(&hba->dev_cmd.lock); in __ufshcd_query_descriptor()
3405 ufshcd_init_query(hba, &request, &response, opcode, idn, index, in __ufshcd_query_descriptor()
3407 hba->dev_cmd.query.descriptor = desc_buf; in __ufshcd_query_descriptor()
3418 dev_err(hba->dev, in __ufshcd_query_descriptor()
3425 err = ufshcd_exec_dev_cmd(hba, DEV_CMD_TYPE_QUERY, QUERY_REQ_TIMEOUT); in __ufshcd_query_descriptor()
3428 dev_err(hba->dev, "%s: opcode 0x%.2x for idn %d failed, index %d, err = %d\n", in __ufshcd_query_descriptor()
3436 hba->dev_cmd.query.descriptor = NULL; in __ufshcd_query_descriptor()
3437 mutex_unlock(&hba->dev_cmd.lock); in __ufshcd_query_descriptor()
3438 ufshcd_release(hba); in __ufshcd_query_descriptor()
3444 * @hba: per-adapter instance
3457 int ufshcd_query_descriptor_retry(struct ufs_hba *hba, in ufshcd_query_descriptor_retry() argument
3467 err = __ufshcd_query_descriptor(hba, opcode, idn, index, in ufshcd_query_descriptor_retry()
3478 * @hba: Pointer to adapter instance
3487 int ufshcd_read_desc_param(struct ufs_hba *hba, in ufshcd_read_desc_param() argument
3514 ret = ufshcd_query_descriptor_retry(hba, UPIU_QUERY_OPCODE_READ_DESC, in ufshcd_read_desc_param()
3518 …dev_err(hba->dev, "%s: Failed reading descriptor. desc_id %d, desc_index %d, param_offset %d, ret … in ufshcd_read_desc_param()
3527 dev_err(hba->dev, "%s: Invalid offset 0x%x in descriptor IDN 0x%x, length 0x%x\n", in ufshcd_read_desc_param()
3535 dev_err(hba->dev, "%s: invalid desc_id %d in descriptor header\n", in ufshcd_read_desc_param()
3576 * @hba: pointer to adapter instance
3588 int ufshcd_read_string_desc(struct ufs_hba *hba, u8 desc_index, in ufshcd_read_string_desc() argument
3602 ret = ufshcd_read_desc_param(hba, QUERY_DESC_IDN_STRING, desc_index, 0, in ufshcd_read_string_desc()
3605 dev_err(hba->dev, "Reading String Desc failed after %d retries. err = %d\n", in ufshcd_read_string_desc()
3612 dev_dbg(hba->dev, "String Desc is of zero length\n"); in ufshcd_read_string_desc()
3659 * @hba: Pointer to adapter instance
3667 static inline int ufshcd_read_unit_desc_param(struct ufs_hba *hba, in ufshcd_read_unit_desc_param() argument
3677 if (!ufs_is_valid_unit_desc_lun(&hba->dev_info, lun)) in ufshcd_read_unit_desc_param()
3680 return ufshcd_read_desc_param(hba, QUERY_DESC_IDN_UNIT, lun, in ufshcd_read_unit_desc_param()
3684 static int ufshcd_get_ref_clk_gating_wait(struct ufs_hba *hba) in ufshcd_get_ref_clk_gating_wait() argument
3689 if (hba->dev_info.wspecversion >= 0x300) { in ufshcd_get_ref_clk_gating_wait()
3690 err = ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_READ_ATTR, in ufshcd_get_ref_clk_gating_wait()
3694 dev_err(hba->dev, "Failed reading bRefClkGatingWait. err = %d, use default %uus\n", in ufshcd_get_ref_clk_gating_wait()
3699 dev_err(hba->dev, "Undefined ref clk gating wait time, use default %uus\n", in ufshcd_get_ref_clk_gating_wait()
3703 hba->dev_info.clk_gating_wait_us = gating_wait; in ufshcd_get_ref_clk_gating_wait()
3711 * @hba: per adapter instance
3722 static int ufshcd_memory_alloc(struct ufs_hba *hba) in ufshcd_memory_alloc() argument
3727 ucdl_size = ufshcd_get_ucd_size(hba) * hba->nutrs; in ufshcd_memory_alloc()
3728 hba->ucdl_base_addr = dmam_alloc_coherent(hba->dev, in ufshcd_memory_alloc()
3730 &hba->ucdl_dma_addr, in ufshcd_memory_alloc()
3736 if (!hba->ucdl_base_addr || in ufshcd_memory_alloc()
3737 WARN_ON(hba->ucdl_dma_addr & (128 - 1))) { in ufshcd_memory_alloc()
3738 dev_err(hba->dev, in ufshcd_memory_alloc()
3747 utrdl_size = (sizeof(struct utp_transfer_req_desc) * hba->nutrs); in ufshcd_memory_alloc()
3748 hba->utrdl_base_addr = dmam_alloc_coherent(hba->dev, in ufshcd_memory_alloc()
3750 &hba->utrdl_dma_addr, in ufshcd_memory_alloc()
3752 if (!hba->utrdl_base_addr || in ufshcd_memory_alloc()
3753 WARN_ON(hba->utrdl_dma_addr & (SZ_1K - 1))) { in ufshcd_memory_alloc()
3754 dev_err(hba->dev, in ufshcd_memory_alloc()
3765 if (hba->utmrdl_base_addr) in ufshcd_memory_alloc()
3771 utmrdl_size = sizeof(struct utp_task_req_desc) * hba->nutmrs; in ufshcd_memory_alloc()
3772 hba->utmrdl_base_addr = dmam_alloc_coherent(hba->dev, in ufshcd_memory_alloc()
3774 &hba->utmrdl_dma_addr, in ufshcd_memory_alloc()
3776 if (!hba->utmrdl_base_addr || in ufshcd_memory_alloc()
3777 WARN_ON(hba->utmrdl_dma_addr & (SZ_1K - 1))) { in ufshcd_memory_alloc()
3778 dev_err(hba->dev, in ufshcd_memory_alloc()
3785 hba->lrb = devm_kcalloc(hba->dev, in ufshcd_memory_alloc()
3786 hba->nutrs, sizeof(struct ufshcd_lrb), in ufshcd_memory_alloc()
3788 if (!hba->lrb) { in ufshcd_memory_alloc()
3789 dev_err(hba->dev, "LRB Memory allocation failed\n"); in ufshcd_memory_alloc()
3800 * @hba: per adapter instance
3810 static void ufshcd_host_memory_configure(struct ufs_hba *hba) in ufshcd_host_memory_configure() argument
3820 utrdlp = hba->utrdl_base_addr; in ufshcd_host_memory_configure()
3827 cmd_desc_size = ufshcd_get_ucd_size(hba); in ufshcd_host_memory_configure()
3828 cmd_desc_dma_addr = hba->ucdl_dma_addr; in ufshcd_host_memory_configure()
3830 for (i = 0; i < hba->nutrs; i++) { in ufshcd_host_memory_configure()
3838 if (hba->quirks & UFSHCD_QUIRK_PRDT_BYTE_GRAN) { in ufshcd_host_memory_configure()
3854 ufshcd_init_lrb(hba, &hba->lrb[i], i); in ufshcd_host_memory_configure()
3860 * @hba: per adapter instance
3869 static int ufshcd_dme_link_startup(struct ufs_hba *hba) in ufshcd_dme_link_startup() argument
3876 ret = ufshcd_send_uic_cmd(hba, &uic_cmd); in ufshcd_dme_link_startup()
3878 dev_dbg(hba->dev, in ufshcd_dme_link_startup()
3884 * @hba: per adapter instance
3891 static int ufshcd_dme_reset(struct ufs_hba *hba) in ufshcd_dme_reset() argument
3898 ret = ufshcd_send_uic_cmd(hba, &uic_cmd); in ufshcd_dme_reset()
3900 dev_err(hba->dev, in ufshcd_dme_reset()
3906 int ufshcd_dme_configure_adapt(struct ufs_hba *hba, in ufshcd_dme_configure_adapt() argument
3915 ret = ufshcd_dme_set(hba, in ufshcd_dme_configure_adapt()
3924 * @hba: per adapter instance
3930 static int ufshcd_dme_enable(struct ufs_hba *hba) in ufshcd_dme_enable() argument
3937 ret = ufshcd_send_uic_cmd(hba, &uic_cmd); in ufshcd_dme_enable()
3939 dev_err(hba->dev, in ufshcd_dme_enable()
3945 static inline void ufshcd_add_delay_before_dme_cmd(struct ufs_hba *hba) in ufshcd_add_delay_before_dme_cmd() argument
3950 if (!(hba->quirks & UFSHCD_QUIRK_DELAY_BEFORE_DME_CMDS)) in ufshcd_add_delay_before_dme_cmd()
3957 if (unlikely(!ktime_to_us(hba->last_dme_cmd_tstamp))) { in ufshcd_add_delay_before_dme_cmd()
3963 hba->last_dme_cmd_tstamp)); in ufshcd_add_delay_before_dme_cmd()
3978 * @hba: per adapter instance
3986 int ufshcd_dme_set_attr(struct ufs_hba *hba, u32 attr_sel, in ufshcd_dme_set_attr() argument
4006 ret = ufshcd_send_uic_cmd(hba, &uic_cmd); in ufshcd_dme_set_attr()
4008 dev_dbg(hba->dev, "%s: attr-id 0x%x val 0x%x error code %d\n", in ufshcd_dme_set_attr()
4013 dev_err(hba->dev, "%s: attr-id 0x%x val 0x%x failed %d retries\n", in ufshcd_dme_set_attr()
4023 * @hba: per adapter instance
4030 int ufshcd_dme_get_attr(struct ufs_hba *hba, u32 attr_sel, in ufshcd_dme_get_attr() argument
4045 if (peer && (hba->quirks & UFSHCD_QUIRK_DME_PEER_ACCESS_AUTO_MODE)) { in ufshcd_dme_get_attr()
4046 orig_pwr_info = hba->pwr_info; in ufshcd_dme_get_attr()
4061 ret = ufshcd_change_power_mode(hba, &temp_pwr_info); in ufshcd_dme_get_attr()
4073 ret = ufshcd_send_uic_cmd(hba, &uic_cmd); in ufshcd_dme_get_attr()
4075 dev_dbg(hba->dev, "%s: attr-id 0x%x error code %d\n", in ufshcd_dme_get_attr()
4080 dev_err(hba->dev, "%s: attr-id 0x%x failed %d retries\n", in ufshcd_dme_get_attr()
4087 if (peer && (hba->quirks & UFSHCD_QUIRK_DME_PEER_ACCESS_AUTO_MODE) in ufshcd_dme_get_attr()
4089 ufshcd_change_power_mode(hba, &orig_pwr_info); in ufshcd_dme_get_attr()
4099 * @hba: per adapter instance
4111 static int ufshcd_uic_pwr_ctrl(struct ufs_hba *hba, struct uic_command *cmd) in ufshcd_uic_pwr_ctrl() argument
4119 mutex_lock(&hba->uic_cmd_mutex); in ufshcd_uic_pwr_ctrl()
4120 ufshcd_add_delay_before_dme_cmd(hba); in ufshcd_uic_pwr_ctrl()
4122 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_uic_pwr_ctrl()
4123 if (ufshcd_is_link_broken(hba)) { in ufshcd_uic_pwr_ctrl()
4127 hba->uic_async_done = &uic_async_done; in ufshcd_uic_pwr_ctrl()
4128 if (ufshcd_readl(hba, REG_INTERRUPT_ENABLE) & UIC_COMMAND_COMPL) { in ufshcd_uic_pwr_ctrl()
4129 ufshcd_disable_intr(hba, UIC_COMMAND_COMPL); in ufshcd_uic_pwr_ctrl()
4137 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_uic_pwr_ctrl()
4138 ret = __ufshcd_send_uic_cmd(hba, cmd, false); in ufshcd_uic_pwr_ctrl()
4140 dev_err(hba->dev, in ufshcd_uic_pwr_ctrl()
4146 if (!wait_for_completion_timeout(hba->uic_async_done, in ufshcd_uic_pwr_ctrl()
4148 dev_err(hba->dev, in ufshcd_uic_pwr_ctrl()
4153 dev_err(hba->dev, "%s: Power Mode Change operation has been completed, go check UPMCRS\n", in ufshcd_uic_pwr_ctrl()
4163 status = ufshcd_get_upmcrs(hba); in ufshcd_uic_pwr_ctrl()
4165 dev_err(hba->dev, in ufshcd_uic_pwr_ctrl()
4172 ufshcd_print_host_state(hba); in ufshcd_uic_pwr_ctrl()
4173 ufshcd_print_pwr_info(hba); in ufshcd_uic_pwr_ctrl()
4174 ufshcd_print_evt_hist(hba); in ufshcd_uic_pwr_ctrl()
4177 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_uic_pwr_ctrl()
4178 hba->active_uic_cmd = NULL; in ufshcd_uic_pwr_ctrl()
4179 hba->uic_async_done = NULL; in ufshcd_uic_pwr_ctrl()
4181 ufshcd_enable_intr(hba, UIC_COMMAND_COMPL); in ufshcd_uic_pwr_ctrl()
4183 ufshcd_set_link_broken(hba); in ufshcd_uic_pwr_ctrl()
4184 ufshcd_schedule_eh_work(hba); in ufshcd_uic_pwr_ctrl()
4187 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_uic_pwr_ctrl()
4188 mutex_unlock(&hba->uic_cmd_mutex); in ufshcd_uic_pwr_ctrl()
4196 * @hba: per adapter instance
4201 int ufshcd_uic_change_pwr_mode(struct ufs_hba *hba, u8 mode) in ufshcd_uic_change_pwr_mode() argument
4206 if (hba->quirks & UFSHCD_QUIRK_BROKEN_PA_RXHSUNTERMCAP) { in ufshcd_uic_change_pwr_mode()
4207 ret = ufshcd_dme_set(hba, in ufshcd_uic_change_pwr_mode()
4210 dev_err(hba->dev, "%s: failed to enable PA_RXHSUNTERMCAP ret %d\n", in ufshcd_uic_change_pwr_mode()
4219 ufshcd_hold(hba); in ufshcd_uic_change_pwr_mode()
4220 ret = ufshcd_uic_pwr_ctrl(hba, &uic_cmd); in ufshcd_uic_change_pwr_mode()
4221 ufshcd_release(hba); in ufshcd_uic_change_pwr_mode()
4228 int ufshcd_link_recovery(struct ufs_hba *hba) in ufshcd_link_recovery() argument
4233 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_link_recovery()
4234 hba->ufshcd_state = UFSHCD_STATE_RESET; in ufshcd_link_recovery()
4235 ufshcd_set_eh_in_progress(hba); in ufshcd_link_recovery()
4236 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_link_recovery()
4239 ufshcd_device_reset(hba); in ufshcd_link_recovery()
4241 ret = ufshcd_host_reset_and_restore(hba); in ufshcd_link_recovery()
4243 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_link_recovery()
4245 hba->ufshcd_state = UFSHCD_STATE_ERROR; in ufshcd_link_recovery()
4246 ufshcd_clear_eh_in_progress(hba); in ufshcd_link_recovery()
4247 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_link_recovery()
4250 dev_err(hba->dev, "%s: link recovery failed, err %d", in ufshcd_link_recovery()
4257 int ufshcd_uic_hibern8_enter(struct ufs_hba *hba) in ufshcd_uic_hibern8_enter() argument
4263 ufshcd_vops_hibern8_notify(hba, UIC_CMD_DME_HIBER_ENTER, PRE_CHANGE); in ufshcd_uic_hibern8_enter()
4266 ret = ufshcd_uic_pwr_ctrl(hba, &uic_cmd); in ufshcd_uic_hibern8_enter()
4267 trace_ufshcd_profile_hibern8(dev_name(hba->dev), "enter", in ufshcd_uic_hibern8_enter()
4271 dev_err(hba->dev, "%s: hibern8 enter failed. ret = %d\n", in ufshcd_uic_hibern8_enter()
4274 ufshcd_vops_hibern8_notify(hba, UIC_CMD_DME_HIBER_ENTER, in ufshcd_uic_hibern8_enter()
4281 int ufshcd_uic_hibern8_exit(struct ufs_hba *hba) in ufshcd_uic_hibern8_exit() argument
4287 ufshcd_vops_hibern8_notify(hba, UIC_CMD_DME_HIBER_EXIT, PRE_CHANGE); in ufshcd_uic_hibern8_exit()
4290 ret = ufshcd_uic_pwr_ctrl(hba, &uic_cmd); in ufshcd_uic_hibern8_exit()
4291 trace_ufshcd_profile_hibern8(dev_name(hba->dev), "exit", in ufshcd_uic_hibern8_exit()
4295 dev_err(hba->dev, "%s: hibern8 exit failed. ret = %d\n", in ufshcd_uic_hibern8_exit()
4298 ufshcd_vops_hibern8_notify(hba, UIC_CMD_DME_HIBER_EXIT, in ufshcd_uic_hibern8_exit()
4300 hba->ufs_stats.last_hibern8_exit_tstamp = local_clock(); in ufshcd_uic_hibern8_exit()
4301 hba->ufs_stats.hibern8_exit_cnt++; in ufshcd_uic_hibern8_exit()
4308 void ufshcd_auto_hibern8_update(struct ufs_hba *hba, u32 ahit) in ufshcd_auto_hibern8_update() argument
4313 if (!ufshcd_is_auto_hibern8_supported(hba)) in ufshcd_auto_hibern8_update()
4316 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_auto_hibern8_update()
4317 if (hba->ahit != ahit) { in ufshcd_auto_hibern8_update()
4318 hba->ahit = ahit; in ufshcd_auto_hibern8_update()
4321 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_auto_hibern8_update()
4324 !pm_runtime_suspended(&hba->ufs_device_wlun->sdev_gendev)) { in ufshcd_auto_hibern8_update()
4325 ufshcd_rpm_get_sync(hba); in ufshcd_auto_hibern8_update()
4326 ufshcd_hold(hba); in ufshcd_auto_hibern8_update()
4327 ufshcd_auto_hibern8_enable(hba); in ufshcd_auto_hibern8_update()
4328 ufshcd_release(hba); in ufshcd_auto_hibern8_update()
4329 ufshcd_rpm_put_sync(hba); in ufshcd_auto_hibern8_update()
4334 void ufshcd_auto_hibern8_enable(struct ufs_hba *hba) in ufshcd_auto_hibern8_enable() argument
4336 if (!ufshcd_is_auto_hibern8_supported(hba)) in ufshcd_auto_hibern8_enable()
4339 ufshcd_writel(hba, hba->ahit, REG_AUTO_HIBERNATE_IDLE_TIMER); in ufshcd_auto_hibern8_enable()
4344 * values in hba power info
4345 * @hba: per-adapter instance
4347 static void ufshcd_init_pwr_info(struct ufs_hba *hba) in ufshcd_init_pwr_info() argument
4349 hba->pwr_info.gear_rx = UFS_PWM_G1; in ufshcd_init_pwr_info()
4350 hba->pwr_info.gear_tx = UFS_PWM_G1; in ufshcd_init_pwr_info()
4351 hba->pwr_info.lane_rx = UFS_LANE_1; in ufshcd_init_pwr_info()
4352 hba->pwr_info.lane_tx = UFS_LANE_1; in ufshcd_init_pwr_info()
4353 hba->pwr_info.pwr_rx = SLOWAUTO_MODE; in ufshcd_init_pwr_info()
4354 hba->pwr_info.pwr_tx = SLOWAUTO_MODE; in ufshcd_init_pwr_info()
4355 hba->pwr_info.hs_rate = 0; in ufshcd_init_pwr_info()
4360 * @hba: per-adapter instance
4364 static int ufshcd_get_max_pwr_mode(struct ufs_hba *hba) in ufshcd_get_max_pwr_mode() argument
4366 struct ufs_pa_layer_attr *pwr_info = &hba->max_pwr_info.info; in ufshcd_get_max_pwr_mode()
4368 if (hba->max_pwr_info.is_valid) in ufshcd_get_max_pwr_mode()
4371 if (hba->quirks & UFSHCD_QUIRK_HIBERN_FASTAUTO) { in ufshcd_get_max_pwr_mode()
4381 ufshcd_dme_get(hba, UIC_ARG_MIB(PA_CONNECTEDRXDATALANES), in ufshcd_get_max_pwr_mode()
4383 ufshcd_dme_get(hba, UIC_ARG_MIB(PA_CONNECTEDTXDATALANES), in ufshcd_get_max_pwr_mode()
4387 dev_err(hba->dev, "%s: invalid connected lanes value. rx=%d, tx=%d\n", in ufshcd_get_max_pwr_mode()
4399 ufshcd_dme_get(hba, UIC_ARG_MIB(PA_MAXRXHSGEAR), &pwr_info->gear_rx); in ufshcd_get_max_pwr_mode()
4401 ufshcd_dme_get(hba, UIC_ARG_MIB(PA_MAXRXPWMGEAR), in ufshcd_get_max_pwr_mode()
4404 dev_err(hba->dev, "%s: invalid max pwm rx gear read = %d\n", in ufshcd_get_max_pwr_mode()
4411 ufshcd_dme_peer_get(hba, UIC_ARG_MIB(PA_MAXRXHSGEAR), in ufshcd_get_max_pwr_mode()
4414 ufshcd_dme_peer_get(hba, UIC_ARG_MIB(PA_MAXRXPWMGEAR), in ufshcd_get_max_pwr_mode()
4417 dev_err(hba->dev, "%s: invalid max pwm tx gear read = %d\n", in ufshcd_get_max_pwr_mode()
4424 hba->max_pwr_info.is_valid = true; in ufshcd_get_max_pwr_mode()
4428 static int ufshcd_change_power_mode(struct ufs_hba *hba, in ufshcd_change_power_mode() argument
4434 if (!hba->force_pmc && in ufshcd_change_power_mode()
4435 pwr_mode->gear_rx == hba->pwr_info.gear_rx && in ufshcd_change_power_mode()
4436 pwr_mode->gear_tx == hba->pwr_info.gear_tx && in ufshcd_change_power_mode()
4437 pwr_mode->lane_rx == hba->pwr_info.lane_rx && in ufshcd_change_power_mode()
4438 pwr_mode->lane_tx == hba->pwr_info.lane_tx && in ufshcd_change_power_mode()
4439 pwr_mode->pwr_rx == hba->pwr_info.pwr_rx && in ufshcd_change_power_mode()
4440 pwr_mode->pwr_tx == hba->pwr_info.pwr_tx && in ufshcd_change_power_mode()
4441 pwr_mode->hs_rate == hba->pwr_info.hs_rate) { in ufshcd_change_power_mode()
4442 dev_dbg(hba->dev, "%s: power already configured\n", __func__); in ufshcd_change_power_mode()
4452 ufshcd_dme_set(hba, UIC_ARG_MIB(PA_RXGEAR), pwr_mode->gear_rx); in ufshcd_change_power_mode()
4453 ufshcd_dme_set(hba, UIC_ARG_MIB(PA_ACTIVERXDATALANES), in ufshcd_change_power_mode()
4457 ufshcd_dme_set(hba, UIC_ARG_MIB(PA_RXTERMINATION), true); in ufshcd_change_power_mode()
4459 ufshcd_dme_set(hba, UIC_ARG_MIB(PA_RXTERMINATION), false); in ufshcd_change_power_mode()
4461 ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TXGEAR), pwr_mode->gear_tx); in ufshcd_change_power_mode()
4462 ufshcd_dme_set(hba, UIC_ARG_MIB(PA_ACTIVETXDATALANES), in ufshcd_change_power_mode()
4466 ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TXTERMINATION), true); in ufshcd_change_power_mode()
4468 ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TXTERMINATION), false); in ufshcd_change_power_mode()
4474 ufshcd_dme_set(hba, UIC_ARG_MIB(PA_HSSERIES), in ufshcd_change_power_mode()
4477 if (!(hba->quirks & UFSHCD_QUIRK_SKIP_DEF_UNIPRO_TIMEOUT_SETTING)) { in ufshcd_change_power_mode()
4478 ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA0), in ufshcd_change_power_mode()
4480 ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA1), in ufshcd_change_power_mode()
4482 ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA2), in ufshcd_change_power_mode()
4484 ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA3), in ufshcd_change_power_mode()
4486 ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA4), in ufshcd_change_power_mode()
4488 ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA5), in ufshcd_change_power_mode()
4491 ufshcd_dme_set(hba, UIC_ARG_MIB(DME_LocalFC0ProtectionTimeOutVal), in ufshcd_change_power_mode()
4493 ufshcd_dme_set(hba, UIC_ARG_MIB(DME_LocalTC0ReplayTimeOutVal), in ufshcd_change_power_mode()
4495 ufshcd_dme_set(hba, UIC_ARG_MIB(DME_LocalAFC0ReqTimeOutVal), in ufshcd_change_power_mode()
4499 ret = ufshcd_uic_change_pwr_mode(hba, pwr_mode->pwr_rx << 4 in ufshcd_change_power_mode()
4503 dev_err(hba->dev, in ufshcd_change_power_mode()
4506 ufshcd_vops_pwr_change_notify(hba, POST_CHANGE, NULL, in ufshcd_change_power_mode()
4509 memcpy(&hba->pwr_info, pwr_mode, in ufshcd_change_power_mode()
4518 * @hba: per-adapter instance
4523 int ufshcd_config_pwr_mode(struct ufs_hba *hba, in ufshcd_config_pwr_mode() argument
4529 ret = ufshcd_vops_pwr_change_notify(hba, PRE_CHANGE, in ufshcd_config_pwr_mode()
4535 ret = ufshcd_change_power_mode(hba, &final_params); in ufshcd_config_pwr_mode()
4543 * @hba: per-adapter instance
4549 static int ufshcd_complete_dev_init(struct ufs_hba *hba) in ufshcd_complete_dev_init() argument
4555 err = ufshcd_query_flag_retry(hba, UPIU_QUERY_OPCODE_SET_FLAG, in ufshcd_complete_dev_init()
4558 dev_err(hba->dev, in ufshcd_complete_dev_init()
4567 err = ufshcd_query_flag(hba, UPIU_QUERY_OPCODE_READ_FLAG, in ufshcd_complete_dev_init()
4575 dev_err(hba->dev, in ufshcd_complete_dev_init()
4579 dev_err(hba->dev, in ufshcd_complete_dev_init()
4590 * @hba: per adapter instance
4600 int ufshcd_make_hba_operational(struct ufs_hba *hba) in ufshcd_make_hba_operational() argument
4606 ufshcd_enable_intr(hba, UFSHCD_ENABLE_INTRS); in ufshcd_make_hba_operational()
4609 if (ufshcd_is_intr_aggr_allowed(hba)) in ufshcd_make_hba_operational()
4610 ufshcd_config_intr_aggr(hba, hba->nutrs - 1, INT_AGGR_DEF_TO); in ufshcd_make_hba_operational()
4612 ufshcd_disable_intr_aggr(hba); in ufshcd_make_hba_operational()
4615 ufshcd_writel(hba, lower_32_bits(hba->utrdl_dma_addr), in ufshcd_make_hba_operational()
4617 ufshcd_writel(hba, upper_32_bits(hba->utrdl_dma_addr), in ufshcd_make_hba_operational()
4619 ufshcd_writel(hba, lower_32_bits(hba->utmrdl_dma_addr), in ufshcd_make_hba_operational()
4621 ufshcd_writel(hba, upper_32_bits(hba->utmrdl_dma_addr), in ufshcd_make_hba_operational()
4633 reg = ufshcd_readl(hba, REG_CONTROLLER_STATUS); in ufshcd_make_hba_operational()
4635 ufshcd_enable_run_stop_reg(hba); in ufshcd_make_hba_operational()
4637 dev_err(hba->dev, in ufshcd_make_hba_operational()
4648 * @hba: per adapter instance
4650 void ufshcd_hba_stop(struct ufs_hba *hba) in ufshcd_hba_stop() argument
4659 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_hba_stop()
4660 ufshcd_writel(hba, CONTROLLER_DISABLE, REG_CONTROLLER_ENABLE); in ufshcd_hba_stop()
4661 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_hba_stop()
4663 err = ufshcd_wait_for_register(hba, REG_CONTROLLER_ENABLE, in ufshcd_hba_stop()
4667 dev_err(hba->dev, "%s: Controller disable failed\n", __func__); in ufshcd_hba_stop()
4673 * @hba: per adapter instance
4681 static int ufshcd_hba_execute_hce(struct ufs_hba *hba) in ufshcd_hba_execute_hce() argument
4687 if (ufshcd_is_hba_active(hba)) in ufshcd_hba_execute_hce()
4689 ufshcd_hba_stop(hba); in ufshcd_hba_execute_hce()
4692 ufshcd_set_link_off(hba); in ufshcd_hba_execute_hce()
4694 ufshcd_vops_hce_enable_notify(hba, PRE_CHANGE); in ufshcd_hba_execute_hce()
4697 ufshcd_hba_start(hba); in ufshcd_hba_execute_hce()
4709 ufshcd_delay_us(hba->vps->hba_enable_delay_us, 100); in ufshcd_hba_execute_hce()
4713 while (!ufshcd_is_hba_active(hba)) { in ufshcd_hba_execute_hce()
4717 dev_err(hba->dev, in ufshcd_hba_execute_hce()
4729 ufshcd_enable_intr(hba, UFSHCD_UIC_MASK); in ufshcd_hba_execute_hce()
4731 ufshcd_vops_hce_enable_notify(hba, POST_CHANGE); in ufshcd_hba_execute_hce()
4736 int ufshcd_hba_enable(struct ufs_hba *hba) in ufshcd_hba_enable() argument
4740 if (hba->quirks & UFSHCI_QUIRK_BROKEN_HCE) { in ufshcd_hba_enable()
4741 ufshcd_set_link_off(hba); in ufshcd_hba_enable()
4742 ufshcd_vops_hce_enable_notify(hba, PRE_CHANGE); in ufshcd_hba_enable()
4745 ufshcd_enable_intr(hba, UFSHCD_UIC_MASK); in ufshcd_hba_enable()
4746 ret = ufshcd_dme_reset(hba); in ufshcd_hba_enable()
4748 dev_err(hba->dev, "DME_RESET failed\n"); in ufshcd_hba_enable()
4752 ret = ufshcd_dme_enable(hba); in ufshcd_hba_enable()
4754 dev_err(hba->dev, "Enabling DME failed\n"); in ufshcd_hba_enable()
4758 ufshcd_vops_hce_enable_notify(hba, POST_CHANGE); in ufshcd_hba_enable()
4760 ret = ufshcd_hba_execute_hce(hba); in ufshcd_hba_enable()
4767 static int ufshcd_disable_tx_lcc(struct ufs_hba *hba, bool peer) in ufshcd_disable_tx_lcc() argument
4772 ufshcd_dme_get(hba, UIC_ARG_MIB(PA_CONNECTEDTXDATALANES), in ufshcd_disable_tx_lcc()
4775 ufshcd_dme_peer_get(hba, UIC_ARG_MIB(PA_CONNECTEDTXDATALANES), in ufshcd_disable_tx_lcc()
4779 err = ufshcd_dme_set(hba, in ufshcd_disable_tx_lcc()
4784 err = ufshcd_dme_peer_set(hba, in ufshcd_disable_tx_lcc()
4789 dev_err(hba->dev, "%s: TX LCC Disable failed, peer = %d, lane = %d, err = %d", in ufshcd_disable_tx_lcc()
4798 static inline int ufshcd_disable_device_tx_lcc(struct ufs_hba *hba) in ufshcd_disable_device_tx_lcc() argument
4800 return ufshcd_disable_tx_lcc(hba, true); in ufshcd_disable_device_tx_lcc()
4803 void ufshcd_update_evt_hist(struct ufs_hba *hba, u32 id, u32 val) in ufshcd_update_evt_hist() argument
4810 e = &hba->ufs_stats.event[id]; in ufshcd_update_evt_hist()
4816 ufshcd_vops_event_notify(hba, id, &val); in ufshcd_update_evt_hist()
4822 * @hba: per adapter instance
4826 static int ufshcd_link_startup(struct ufs_hba *hba) in ufshcd_link_startup() argument
4836 if (!ufshcd_is_ufs_dev_active(hba)) in ufshcd_link_startup()
4841 ufshcd_vops_link_startup_notify(hba, PRE_CHANGE); in ufshcd_link_startup()
4843 ret = ufshcd_dme_link_startup(hba); in ufshcd_link_startup()
4846 if (!ret && !ufshcd_is_device_present(hba)) { in ufshcd_link_startup()
4847 ufshcd_update_evt_hist(hba, in ufshcd_link_startup()
4850 dev_err(hba->dev, "%s: Device not present\n", __func__); in ufshcd_link_startup()
4860 if (ret && retries && ufshcd_hba_enable(hba)) { in ufshcd_link_startup()
4861 ufshcd_update_evt_hist(hba, in ufshcd_link_startup()
4870 ufshcd_update_evt_hist(hba, in ufshcd_link_startup()
4883 ufshcd_init_pwr_info(hba); in ufshcd_link_startup()
4884 ufshcd_print_pwr_info(hba); in ufshcd_link_startup()
4886 if (hba->quirks & UFSHCD_QUIRK_BROKEN_LCC) { in ufshcd_link_startup()
4887 ret = ufshcd_disable_device_tx_lcc(hba); in ufshcd_link_startup()
4893 ret = ufshcd_vops_link_startup_notify(hba, POST_CHANGE); in ufshcd_link_startup()
4898 ufshcd_readl(hba, REG_UIC_ERROR_CODE_PHY_ADAPTER_LAYER); in ufshcd_link_startup()
4899 ret = ufshcd_make_hba_operational(hba); in ufshcd_link_startup()
4902 dev_err(hba->dev, "link startup failed %d\n", ret); in ufshcd_link_startup()
4903 ufshcd_print_host_state(hba); in ufshcd_link_startup()
4904 ufshcd_print_pwr_info(hba); in ufshcd_link_startup()
4905 ufshcd_print_evt_hist(hba); in ufshcd_link_startup()
4912 * @hba: per-adapter instance
4922 static int ufshcd_verify_dev_init(struct ufs_hba *hba) in ufshcd_verify_dev_init() argument
4927 ufshcd_hold(hba); in ufshcd_verify_dev_init()
4928 mutex_lock(&hba->dev_cmd.lock); in ufshcd_verify_dev_init()
4930 err = ufshcd_exec_dev_cmd(hba, DEV_CMD_TYPE_NOP, in ufshcd_verify_dev_init()
4931 hba->nop_out_timeout); in ufshcd_verify_dev_init()
4936 dev_dbg(hba->dev, "%s: error %d retrying\n", __func__, err); in ufshcd_verify_dev_init()
4938 mutex_unlock(&hba->dev_cmd.lock); in ufshcd_verify_dev_init()
4939 ufshcd_release(hba); in ufshcd_verify_dev_init()
4942 dev_err(hba->dev, "%s: NOP OUT failed %d\n", __func__, err); in ufshcd_verify_dev_init()
4949 * @hba: pointer to ufs hba
4951 static void ufshcd_setup_links(struct ufs_hba *hba, struct scsi_device *sdev) in ufshcd_setup_links() argument
4959 if (hba->ufs_device_wlun) { in ufshcd_setup_links()
4961 &hba->ufs_device_wlun->sdev_gendev, in ufshcd_setup_links()
4965 dev_name(&hba->ufs_device_wlun->sdev_gendev)); in ufshcd_setup_links()
4968 hba->luns_avail--; in ufshcd_setup_links()
4970 if (hba->luns_avail == 1) { in ufshcd_setup_links()
4971 ufshcd_rpm_put(hba); in ufshcd_setup_links()
4979 hba->luns_avail--; in ufshcd_setup_links()
4985 * @hba: per-adapter instance
4988 static void ufshcd_lu_init(struct ufs_hba *hba, struct scsi_device *sdev) in ufshcd_lu_init() argument
4992 u8 lun_qdepth = hba->nutrs; in ufshcd_lu_init()
5000 ret = ufshcd_read_unit_desc_param(hba, lun, 0, desc_buf, len); in ufshcd_lu_init()
5014 lun_qdepth = min_t(int, desc_buf[UNIT_DESC_PARAM_LU_Q_DEPTH], hba->nutrs); in ufshcd_lu_init()
5020 if (hba->dev_info.f_power_on_wp_en && lun < hba->dev_info.max_lu_supported && in ufshcd_lu_init()
5021 !hba->dev_info.is_lu_power_on_wp && in ufshcd_lu_init()
5023 hba->dev_info.is_lu_power_on_wp = true; in ufshcd_lu_init()
5028 hba->dev_info.b_advanced_rpmb_en = true; in ufshcd_lu_init()
5037 dev_dbg(hba->dev, "Set LU %x queue depth %d\n", lun, lun_qdepth); in ufshcd_lu_init()
5049 struct ufs_hba *hba; in ufshcd_slave_alloc() local
5051 hba = shost_priv(sdev->host); in ufshcd_slave_alloc()
5068 ufshcd_lu_init(hba, sdev); in ufshcd_slave_alloc()
5070 ufshcd_setup_links(hba, sdev); in ufshcd_slave_alloc()
5097 struct ufs_hba *hba = shost_priv(sdev->host); in ufshcd_slave_configure() local
5101 if (hba->quirks & UFSHCD_QUIRK_4KB_DMA_ALIGNMENT) in ufshcd_slave_configure()
5109 else if (ufshcd_is_rpm_autosuspend_allowed(hba)) in ufshcd_slave_configure()
5118 ufshcd_crypto_register(hba, q); in ufshcd_slave_configure()
5129 struct ufs_hba *hba; in ufshcd_slave_destroy() local
5132 hba = shost_priv(sdev->host); in ufshcd_slave_destroy()
5136 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_slave_destroy()
5137 hba->ufs_device_wlun = NULL; in ufshcd_slave_destroy()
5138 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_slave_destroy()
5139 } else if (hba->ufs_device_wlun) { in ufshcd_slave_destroy()
5143 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_slave_destroy()
5144 if (hba->ufs_device_wlun) { in ufshcd_slave_destroy()
5145 supplier = &hba->ufs_device_wlun->sdev_gendev; in ufshcd_slave_destroy()
5148 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_slave_destroy()
5197 * @hba: per adapter instance
5204 ufshcd_transfer_rsp_status(struct ufs_hba *hba, struct ufshcd_lrb *lrbp, in ufshcd_transfer_rsp_status() argument
5225 if (hba->quirks & UFSHCD_QUIRK_BROKEN_OCS_FATAL_ERROR) { in ufshcd_transfer_rsp_status()
5233 hba->ufs_stats.last_hibern8_exit_tstamp = ktime_set(0, 0); in ufshcd_transfer_rsp_status()
5255 if (!hba->pm_op_in_progress && in ufshcd_transfer_rsp_status()
5256 !ufshcd_eh_in_progress(hba) && in ufshcd_transfer_rsp_status()
5259 schedule_work(&hba->eeh_work); in ufshcd_transfer_rsp_status()
5264 dev_err(hba->dev, in ufshcd_transfer_rsp_status()
5268 dev_err(hba->dev, in ufshcd_transfer_rsp_status()
5292 dev_err(hba->dev, in ufshcd_transfer_rsp_status()
5295 ufshcd_print_evt_hist(hba); in ufshcd_transfer_rsp_status()
5296 ufshcd_print_host_state(hba); in ufshcd_transfer_rsp_status()
5301 (host_byte(result) != DID_REQUEUE) && !hba->silence_err_logs) in ufshcd_transfer_rsp_status()
5302 ufshcd_print_tr(hba, lrbp->task_tag, true); in ufshcd_transfer_rsp_status()
5306 static bool ufshcd_is_auto_hibern8_error(struct ufs_hba *hba, in ufshcd_is_auto_hibern8_error() argument
5309 if (!ufshcd_is_auto_hibern8_supported(hba) || in ufshcd_is_auto_hibern8_error()
5310 !ufshcd_is_auto_hibern8_enabled(hba)) in ufshcd_is_auto_hibern8_error()
5316 if (hba->active_uic_cmd && in ufshcd_is_auto_hibern8_error()
5317 (hba->active_uic_cmd->command == UIC_CMD_DME_HIBER_ENTER || in ufshcd_is_auto_hibern8_error()
5318 hba->active_uic_cmd->command == UIC_CMD_DME_HIBER_EXIT)) in ufshcd_is_auto_hibern8_error()
5326 * @hba: per adapter instance
5333 static irqreturn_t ufshcd_uic_cmd_compl(struct ufs_hba *hba, u32 intr_status) in ufshcd_uic_cmd_compl() argument
5337 spin_lock(hba->host->host_lock); in ufshcd_uic_cmd_compl()
5338 if (ufshcd_is_auto_hibern8_error(hba, intr_status)) in ufshcd_uic_cmd_compl()
5339 hba->errors |= (UFSHCD_UIC_HIBERN8_MASK & intr_status); in ufshcd_uic_cmd_compl()
5341 if ((intr_status & UIC_COMMAND_COMPL) && hba->active_uic_cmd) { in ufshcd_uic_cmd_compl()
5342 hba->active_uic_cmd->argument2 |= in ufshcd_uic_cmd_compl()
5343 ufshcd_get_uic_cmd_result(hba); in ufshcd_uic_cmd_compl()
5344 hba->active_uic_cmd->argument3 = in ufshcd_uic_cmd_compl()
5345 ufshcd_get_dme_attr_val(hba); in ufshcd_uic_cmd_compl()
5346 if (!hba->uic_async_done) in ufshcd_uic_cmd_compl()
5347 hba->active_uic_cmd->cmd_active = 0; in ufshcd_uic_cmd_compl()
5348 complete(&hba->active_uic_cmd->done); in ufshcd_uic_cmd_compl()
5352 if ((intr_status & UFSHCD_UIC_PWR_MASK) && hba->uic_async_done) { in ufshcd_uic_cmd_compl()
5353 hba->active_uic_cmd->cmd_active = 0; in ufshcd_uic_cmd_compl()
5354 complete(hba->uic_async_done); in ufshcd_uic_cmd_compl()
5359 ufshcd_add_uic_command_trace(hba, hba->active_uic_cmd, in ufshcd_uic_cmd_compl()
5361 spin_unlock(hba->host->host_lock); in ufshcd_uic_cmd_compl()
5366 void ufshcd_release_scsi_cmd(struct ufs_hba *hba, in ufshcd_release_scsi_cmd() argument
5372 ufshcd_release(hba); in ufshcd_release_scsi_cmd()
5373 ufshcd_clk_scaling_update_busy(hba); in ufshcd_release_scsi_cmd()
5378 * @hba: per adapter instance
5382 void ufshcd_compl_one_cqe(struct ufs_hba *hba, int task_tag, in ufshcd_compl_one_cqe() argument
5389 lrbp = &hba->lrb[task_tag]; in ufshcd_compl_one_cqe()
5393 if (unlikely(ufshcd_should_inform_monitor(hba, lrbp))) in ufshcd_compl_one_cqe()
5394 ufshcd_update_monitor(hba, lrbp); in ufshcd_compl_one_cqe()
5395 ufshcd_add_command_trace(hba, task_tag, UFS_CMD_COMP); in ufshcd_compl_one_cqe()
5396 cmd->result = ufshcd_transfer_rsp_status(hba, lrbp, cqe); in ufshcd_compl_one_cqe()
5397 ufshcd_release_scsi_cmd(hba, lrbp); in ufshcd_compl_one_cqe()
5402 if (hba->dev_cmd.complete) { in ufshcd_compl_one_cqe()
5407 complete(hba->dev_cmd.complete); in ufshcd_compl_one_cqe()
5408 ufshcd_clk_scaling_update_busy(hba); in ufshcd_compl_one_cqe()
5415 * @hba: per adapter instance
5418 static void __ufshcd_transfer_req_compl(struct ufs_hba *hba, in __ufshcd_transfer_req_compl() argument
5423 for_each_set_bit(tag, &completed_reqs, hba->nutrs) in __ufshcd_transfer_req_compl()
5424 ufshcd_compl_one_cqe(hba, tag, NULL); in __ufshcd_transfer_req_compl()
5432 static void ufshcd_clear_polled(struct ufs_hba *hba, in ufshcd_clear_polled() argument
5437 for_each_set_bit(tag, completed_reqs, hba->nutrs) { in ufshcd_clear_polled()
5438 struct scsi_cmnd *cmd = hba->lrb[tag].cmd; in ufshcd_clear_polled()
5453 struct ufs_hba *hba = shost_priv(shost); in ufshcd_poll() local
5458 if (is_mcq_enabled(hba)) { in ufshcd_poll()
5459 hwq = &hba->uhq[queue_num]; in ufshcd_poll()
5461 return ufshcd_mcq_poll_cqe_lock(hba, hwq); in ufshcd_poll()
5464 spin_lock_irqsave(&hba->outstanding_lock, flags); in ufshcd_poll()
5465 tr_doorbell = ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL); in ufshcd_poll()
5466 completed_reqs = ~tr_doorbell & hba->outstanding_reqs; in ufshcd_poll()
5467 WARN_ONCE(completed_reqs & ~hba->outstanding_reqs, in ufshcd_poll()
5469 hba->outstanding_reqs); in ufshcd_poll()
5472 ufshcd_clear_polled(hba, &completed_reqs); in ufshcd_poll()
5474 hba->outstanding_reqs &= ~completed_reqs; in ufshcd_poll()
5475 spin_unlock_irqrestore(&hba->outstanding_lock, flags); in ufshcd_poll()
5478 __ufshcd_transfer_req_compl(hba, completed_reqs); in ufshcd_poll()
5489 * @hba: per adapter instance
5494 static void ufshcd_mcq_compl_pending_transfer(struct ufs_hba *hba, in ufshcd_mcq_compl_pending_transfer() argument
5504 for (tag = 0; tag < hba->nutrs; tag++) { in ufshcd_mcq_compl_pending_transfer()
5505 lrbp = &hba->lrb[tag]; in ufshcd_mcq_compl_pending_transfer()
5513 hwq = &hba->uhq[hwq_num]; in ufshcd_mcq_compl_pending_transfer()
5516 ufshcd_mcq_compl_all_cqes_lock(hba, hwq); in ufshcd_mcq_compl_pending_transfer()
5524 ufshcd_release_scsi_cmd(hba, lrbp); in ufshcd_mcq_compl_pending_transfer()
5529 ufshcd_mcq_poll_cqe_lock(hba, hwq); in ufshcd_mcq_compl_pending_transfer()
5536 * @hba: per adapter instance
5542 static irqreturn_t ufshcd_transfer_req_compl(struct ufs_hba *hba) in ufshcd_transfer_req_compl() argument
5551 if (ufshcd_is_intr_aggr_allowed(hba) && in ufshcd_transfer_req_compl()
5552 !(hba->quirks & UFSHCI_QUIRK_SKIP_RESET_INTR_AGGR)) in ufshcd_transfer_req_compl()
5553 ufshcd_reset_intr_aggr(hba); in ufshcd_transfer_req_compl()
5562 ufshcd_poll(hba->host, UFSHCD_POLL_FROM_INTERRUPT_CONTEXT); in ufshcd_transfer_req_compl()
5567 int __ufshcd_write_ee_control(struct ufs_hba *hba, u32 ee_ctrl_mask) in __ufshcd_write_ee_control() argument
5569 return ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_WRITE_ATTR, in __ufshcd_write_ee_control()
5574 int ufshcd_write_ee_control(struct ufs_hba *hba) in ufshcd_write_ee_control() argument
5578 mutex_lock(&hba->ee_ctrl_mutex); in ufshcd_write_ee_control()
5579 err = __ufshcd_write_ee_control(hba, hba->ee_ctrl_mask); in ufshcd_write_ee_control()
5580 mutex_unlock(&hba->ee_ctrl_mutex); in ufshcd_write_ee_control()
5582 dev_err(hba->dev, "%s: failed to write ee control %d\n", in ufshcd_write_ee_control()
5587 int ufshcd_update_ee_control(struct ufs_hba *hba, u16 *mask, in ufshcd_update_ee_control() argument
5593 mutex_lock(&hba->ee_ctrl_mutex); in ufshcd_update_ee_control()
5596 if (ee_ctrl_mask != hba->ee_ctrl_mask) in ufshcd_update_ee_control()
5597 err = __ufshcd_write_ee_control(hba, ee_ctrl_mask); in ufshcd_update_ee_control()
5600 hba->ee_ctrl_mask = ee_ctrl_mask; in ufshcd_update_ee_control()
5603 mutex_unlock(&hba->ee_ctrl_mutex); in ufshcd_update_ee_control()
5609 * @hba: per-adapter instance
5617 static inline int ufshcd_disable_ee(struct ufs_hba *hba, u16 mask) in ufshcd_disable_ee() argument
5619 return ufshcd_update_ee_drv_mask(hba, 0, mask); in ufshcd_disable_ee()
5624 * @hba: per-adapter instance
5632 static inline int ufshcd_enable_ee(struct ufs_hba *hba, u16 mask) in ufshcd_enable_ee() argument
5634 return ufshcd_update_ee_drv_mask(hba, mask, 0); in ufshcd_enable_ee()
5639 * @hba: per-adapter instance
5648 static int ufshcd_enable_auto_bkops(struct ufs_hba *hba) in ufshcd_enable_auto_bkops() argument
5652 if (hba->auto_bkops_enabled) in ufshcd_enable_auto_bkops()
5655 err = ufshcd_query_flag_retry(hba, UPIU_QUERY_OPCODE_SET_FLAG, in ufshcd_enable_auto_bkops()
5658 dev_err(hba->dev, "%s: failed to enable bkops %d\n", in ufshcd_enable_auto_bkops()
5663 hba->auto_bkops_enabled = true; in ufshcd_enable_auto_bkops()
5664 trace_ufshcd_auto_bkops_state(dev_name(hba->dev), "Enabled"); in ufshcd_enable_auto_bkops()
5667 err = ufshcd_disable_ee(hba, MASK_EE_URGENT_BKOPS); in ufshcd_enable_auto_bkops()
5669 dev_err(hba->dev, "%s: failed to disable exception event %d\n", in ufshcd_enable_auto_bkops()
5677 * @hba: per-adapter instance
5687 static int ufshcd_disable_auto_bkops(struct ufs_hba *hba) in ufshcd_disable_auto_bkops() argument
5691 if (!hba->auto_bkops_enabled) in ufshcd_disable_auto_bkops()
5698 err = ufshcd_enable_ee(hba, MASK_EE_URGENT_BKOPS); in ufshcd_disable_auto_bkops()
5700 dev_err(hba->dev, "%s: failed to enable exception event %d\n", in ufshcd_disable_auto_bkops()
5705 err = ufshcd_query_flag_retry(hba, UPIU_QUERY_OPCODE_CLEAR_FLAG, in ufshcd_disable_auto_bkops()
5708 dev_err(hba->dev, "%s: failed to disable bkops %d\n", in ufshcd_disable_auto_bkops()
5710 ufshcd_disable_ee(hba, MASK_EE_URGENT_BKOPS); in ufshcd_disable_auto_bkops()
5714 hba->auto_bkops_enabled = false; in ufshcd_disable_auto_bkops()
5715 trace_ufshcd_auto_bkops_state(dev_name(hba->dev), "Disabled"); in ufshcd_disable_auto_bkops()
5716 hba->is_urgent_bkops_lvl_checked = false; in ufshcd_disable_auto_bkops()
5723 * @hba: per adapter instance
5730 static void ufshcd_force_reset_auto_bkops(struct ufs_hba *hba) in ufshcd_force_reset_auto_bkops() argument
5732 if (ufshcd_keep_autobkops_enabled_except_suspend(hba)) { in ufshcd_force_reset_auto_bkops()
5733 hba->auto_bkops_enabled = false; in ufshcd_force_reset_auto_bkops()
5734 hba->ee_ctrl_mask |= MASK_EE_URGENT_BKOPS; in ufshcd_force_reset_auto_bkops()
5735 ufshcd_enable_auto_bkops(hba); in ufshcd_force_reset_auto_bkops()
5737 hba->auto_bkops_enabled = true; in ufshcd_force_reset_auto_bkops()
5738 hba->ee_ctrl_mask &= ~MASK_EE_URGENT_BKOPS; in ufshcd_force_reset_auto_bkops()
5739 ufshcd_disable_auto_bkops(hba); in ufshcd_force_reset_auto_bkops()
5741 hba->urgent_bkops_lvl = BKOPS_STATUS_PERF_IMPACT; in ufshcd_force_reset_auto_bkops()
5742 hba->is_urgent_bkops_lvl_checked = false; in ufshcd_force_reset_auto_bkops()
5745 static inline int ufshcd_get_bkops_status(struct ufs_hba *hba, u32 *status) in ufshcd_get_bkops_status() argument
5747 return ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_READ_ATTR, in ufshcd_get_bkops_status()
5753 * @hba: per-adapter instance
5763 * NOTE: Caller of this function can check the "hba->auto_bkops_enabled" flag
5767 static int ufshcd_bkops_ctrl(struct ufs_hba *hba, in ufshcd_bkops_ctrl() argument
5773 err = ufshcd_get_bkops_status(hba, &curr_status); in ufshcd_bkops_ctrl()
5775 dev_err(hba->dev, "%s: failed to get BKOPS status %d\n", in ufshcd_bkops_ctrl()
5779 dev_err(hba->dev, "%s: invalid BKOPS status %d\n", in ufshcd_bkops_ctrl()
5786 err = ufshcd_enable_auto_bkops(hba); in ufshcd_bkops_ctrl()
5788 err = ufshcd_disable_auto_bkops(hba); in ufshcd_bkops_ctrl()
5795 * @hba: per-adapter instance
5805 static int ufshcd_urgent_bkops(struct ufs_hba *hba) in ufshcd_urgent_bkops() argument
5807 return ufshcd_bkops_ctrl(hba, hba->urgent_bkops_lvl); in ufshcd_urgent_bkops()
5810 static inline int ufshcd_get_ee_status(struct ufs_hba *hba, u32 *status) in ufshcd_get_ee_status() argument
5812 return ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_READ_ATTR, in ufshcd_get_ee_status()
5816 static void ufshcd_bkops_exception_event_handler(struct ufs_hba *hba) in ufshcd_bkops_exception_event_handler() argument
5821 if (hba->is_urgent_bkops_lvl_checked) in ufshcd_bkops_exception_event_handler()
5824 err = ufshcd_get_bkops_status(hba, &curr_status); in ufshcd_bkops_exception_event_handler()
5826 dev_err(hba->dev, "%s: failed to get BKOPS status %d\n", in ufshcd_bkops_exception_event_handler()
5838 dev_err(hba->dev, "%s: device raised urgent BKOPS exception for bkops status %d\n", in ufshcd_bkops_exception_event_handler()
5841 hba->urgent_bkops_lvl = curr_status; in ufshcd_bkops_exception_event_handler()
5842 hba->is_urgent_bkops_lvl_checked = true; in ufshcd_bkops_exception_event_handler()
5846 err = ufshcd_enable_auto_bkops(hba); in ufshcd_bkops_exception_event_handler()
5849 dev_err(hba->dev, "%s: failed to handle urgent bkops %d\n", in ufshcd_bkops_exception_event_handler()
5853 static void ufshcd_temp_exception_event_handler(struct ufs_hba *hba, u16 status) in ufshcd_temp_exception_event_handler() argument
5857 if (ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_READ_ATTR, in ufshcd_temp_exception_event_handler()
5861 dev_info(hba->dev, "exception Tcase %d\n", value - 80); in ufshcd_temp_exception_event_handler()
5863 ufs_hwmon_notify_event(hba, status & MASK_EE_URGENT_TEMP); in ufshcd_temp_exception_event_handler()
5871 static int __ufshcd_wb_toggle(struct ufs_hba *hba, bool set, enum flag_idn idn) in __ufshcd_wb_toggle() argument
5877 index = ufshcd_wb_get_query_index(hba); in __ufshcd_wb_toggle()
5878 return ufshcd_query_flag_retry(hba, opcode, idn, index, NULL); in __ufshcd_wb_toggle()
5881 int ufshcd_wb_toggle(struct ufs_hba *hba, bool enable) in ufshcd_wb_toggle() argument
5885 if (!ufshcd_is_wb_allowed(hba) || in ufshcd_wb_toggle()
5886 hba->dev_info.wb_enabled == enable) in ufshcd_wb_toggle()
5889 ret = __ufshcd_wb_toggle(hba, enable, QUERY_FLAG_IDN_WB_EN); in ufshcd_wb_toggle()
5891 dev_err(hba->dev, "%s: Write Booster %s failed %d\n", in ufshcd_wb_toggle()
5896 hba->dev_info.wb_enabled = enable; in ufshcd_wb_toggle()
5897 dev_dbg(hba->dev, "%s: Write Booster %s\n", in ufshcd_wb_toggle()
5903 static void ufshcd_wb_toggle_buf_flush_during_h8(struct ufs_hba *hba, in ufshcd_wb_toggle_buf_flush_during_h8() argument
5908 ret = __ufshcd_wb_toggle(hba, enable, in ufshcd_wb_toggle_buf_flush_during_h8()
5911 dev_err(hba->dev, "%s: WB-Buf Flush during H8 %s failed %d\n", in ufshcd_wb_toggle_buf_flush_during_h8()
5915 dev_dbg(hba->dev, "%s: WB-Buf Flush during H8 %s\n", in ufshcd_wb_toggle_buf_flush_during_h8()
5919 int ufshcd_wb_toggle_buf_flush(struct ufs_hba *hba, bool enable) in ufshcd_wb_toggle_buf_flush() argument
5923 if (!ufshcd_is_wb_allowed(hba) || in ufshcd_wb_toggle_buf_flush()
5924 hba->dev_info.wb_buf_flush_enabled == enable) in ufshcd_wb_toggle_buf_flush()
5927 ret = __ufshcd_wb_toggle(hba, enable, QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN); in ufshcd_wb_toggle_buf_flush()
5929 dev_err(hba->dev, "%s: WB-Buf Flush %s failed %d\n", in ufshcd_wb_toggle_buf_flush()
5934 hba->dev_info.wb_buf_flush_enabled = enable; in ufshcd_wb_toggle_buf_flush()
5935 dev_dbg(hba->dev, "%s: WB-Buf Flush %s\n", in ufshcd_wb_toggle_buf_flush()
5941 static bool ufshcd_wb_presrv_usrspc_keep_vcc_on(struct ufs_hba *hba, in ufshcd_wb_presrv_usrspc_keep_vcc_on() argument
5948 index = ufshcd_wb_get_query_index(hba); in ufshcd_wb_presrv_usrspc_keep_vcc_on()
5949 ret = ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_READ_ATTR, in ufshcd_wb_presrv_usrspc_keep_vcc_on()
5953 dev_err(hba->dev, "%s: dCurWriteBoosterBufferSize read failed %d\n", in ufshcd_wb_presrv_usrspc_keep_vcc_on()
5959 dev_info(hba->dev, "dCurWBBuf: %d WB disabled until free-space is available\n", in ufshcd_wb_presrv_usrspc_keep_vcc_on()
5964 return avail_buf < hba->vps->wb_flush_threshold; in ufshcd_wb_presrv_usrspc_keep_vcc_on()
5967 static void ufshcd_wb_force_disable(struct ufs_hba *hba) in ufshcd_wb_force_disable() argument
5969 if (ufshcd_is_wb_buf_flush_allowed(hba)) in ufshcd_wb_force_disable()
5970 ufshcd_wb_toggle_buf_flush(hba, false); in ufshcd_wb_force_disable()
5972 ufshcd_wb_toggle_buf_flush_during_h8(hba, false); in ufshcd_wb_force_disable()
5973 ufshcd_wb_toggle(hba, false); in ufshcd_wb_force_disable()
5974 hba->caps &= ~UFSHCD_CAP_WB_EN; in ufshcd_wb_force_disable()
5976 dev_info(hba->dev, "%s: WB force disabled\n", __func__); in ufshcd_wb_force_disable()
5979 static bool ufshcd_is_wb_buf_lifetime_available(struct ufs_hba *hba) in ufshcd_is_wb_buf_lifetime_available() argument
5985 index = ufshcd_wb_get_query_index(hba); in ufshcd_is_wb_buf_lifetime_available()
5986 ret = ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_READ_ATTR, in ufshcd_is_wb_buf_lifetime_available()
5990 dev_err(hba->dev, in ufshcd_is_wb_buf_lifetime_available()
5997 dev_err(hba->dev, "%s: WB buf lifetime is exhausted 0x%02X\n", in ufshcd_is_wb_buf_lifetime_available()
6002 dev_dbg(hba->dev, "%s: WB buf lifetime is 0x%02X\n", in ufshcd_is_wb_buf_lifetime_available()
6008 static bool ufshcd_wb_need_flush(struct ufs_hba *hba) in ufshcd_wb_need_flush() argument
6014 if (!ufshcd_is_wb_allowed(hba)) in ufshcd_wb_need_flush()
6017 if (!ufshcd_is_wb_buf_lifetime_available(hba)) { in ufshcd_wb_need_flush()
6018 ufshcd_wb_force_disable(hba); in ufshcd_wb_need_flush()
6033 index = ufshcd_wb_get_query_index(hba); in ufshcd_wb_need_flush()
6034 ret = ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_READ_ATTR, in ufshcd_wb_need_flush()
6038 dev_warn(hba->dev, "%s: dAvailableWriteBoosterBufferSize read failed %d\n", in ufshcd_wb_need_flush()
6043 if (!hba->dev_info.b_presrv_uspc_en) in ufshcd_wb_need_flush()
6046 return ufshcd_wb_presrv_usrspc_keep_vcc_on(hba, avail_buf); in ufshcd_wb_need_flush()
6051 struct ufs_hba *hba = container_of(to_delayed_work(work), in ufshcd_rpm_dev_flush_recheck_work() local
6060 ufshcd_rpm_get_sync(hba); in ufshcd_rpm_dev_flush_recheck_work()
6061 ufshcd_rpm_put_sync(hba); in ufshcd_rpm_dev_flush_recheck_work()
6073 struct ufs_hba *hba; in ufshcd_exception_event_handler() local
6076 hba = container_of(work, struct ufs_hba, eeh_work); in ufshcd_exception_event_handler()
6078 ufshcd_scsi_block_requests(hba); in ufshcd_exception_event_handler()
6079 err = ufshcd_get_ee_status(hba, &status); in ufshcd_exception_event_handler()
6081 dev_err(hba->dev, "%s: failed to get exception status %d\n", in ufshcd_exception_event_handler()
6086 trace_ufshcd_exception_event(dev_name(hba->dev), status); in ufshcd_exception_event_handler()
6088 if (status & hba->ee_drv_mask & MASK_EE_URGENT_BKOPS) in ufshcd_exception_event_handler()
6089 ufshcd_bkops_exception_event_handler(hba); in ufshcd_exception_event_handler()
6091 if (status & hba->ee_drv_mask & MASK_EE_URGENT_TEMP) in ufshcd_exception_event_handler()
6092 ufshcd_temp_exception_event_handler(hba, status); in ufshcd_exception_event_handler()
6094 ufs_debugfs_exception_event(hba, status); in ufshcd_exception_event_handler()
6096 ufshcd_scsi_unblock_requests(hba); in ufshcd_exception_event_handler()
6100 static void ufshcd_complete_requests(struct ufs_hba *hba, bool force_compl) in ufshcd_complete_requests() argument
6102 if (is_mcq_enabled(hba)) in ufshcd_complete_requests()
6103 ufshcd_mcq_compl_pending_transfer(hba, force_compl); in ufshcd_complete_requests()
6105 ufshcd_transfer_req_compl(hba); in ufshcd_complete_requests()
6107 ufshcd_tmc_handler(hba); in ufshcd_complete_requests()
6113 * @hba: per-adapter instance
6117 static bool ufshcd_quirk_dl_nac_errors(struct ufs_hba *hba) in ufshcd_quirk_dl_nac_errors() argument
6122 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_quirk_dl_nac_errors()
6127 if (hba->saved_err & (CONTROLLER_FATAL_ERROR | SYSTEM_BUS_FATAL_ERROR)) in ufshcd_quirk_dl_nac_errors()
6130 if ((hba->saved_err & DEVICE_FATAL_ERROR) || in ufshcd_quirk_dl_nac_errors()
6131 ((hba->saved_err & UIC_ERROR) && in ufshcd_quirk_dl_nac_errors()
6132 (hba->saved_uic_err & UFSHCD_UIC_DL_TCx_REPLAY_ERROR))) in ufshcd_quirk_dl_nac_errors()
6135 if ((hba->saved_err & UIC_ERROR) && in ufshcd_quirk_dl_nac_errors()
6136 (hba->saved_uic_err & UFSHCD_UIC_DL_NAC_RECEIVED_ERROR)) { in ufshcd_quirk_dl_nac_errors()
6141 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_quirk_dl_nac_errors()
6143 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_quirk_dl_nac_errors()
6149 if ((hba->saved_err & INT_FATAL_ERRORS) || in ufshcd_quirk_dl_nac_errors()
6150 ((hba->saved_err & UIC_ERROR) && in ufshcd_quirk_dl_nac_errors()
6151 (hba->saved_uic_err & ~UFSHCD_UIC_DL_NAC_RECEIVED_ERROR))) in ufshcd_quirk_dl_nac_errors()
6161 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_quirk_dl_nac_errors()
6162 err = ufshcd_verify_dev_init(hba); in ufshcd_quirk_dl_nac_errors()
6163 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_quirk_dl_nac_errors()
6169 if (hba->saved_uic_err == UFSHCD_UIC_DL_NAC_RECEIVED_ERROR) in ufshcd_quirk_dl_nac_errors()
6170 hba->saved_err &= ~UIC_ERROR; in ufshcd_quirk_dl_nac_errors()
6172 hba->saved_uic_err &= ~UFSHCD_UIC_DL_NAC_RECEIVED_ERROR; in ufshcd_quirk_dl_nac_errors()
6173 if (!hba->saved_uic_err) in ufshcd_quirk_dl_nac_errors()
6177 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_quirk_dl_nac_errors()
6182 static inline bool ufshcd_is_saved_err_fatal(struct ufs_hba *hba) in ufshcd_is_saved_err_fatal() argument
6184 return (hba->saved_uic_err & UFSHCD_UIC_DL_PA_INIT_ERROR) || in ufshcd_is_saved_err_fatal()
6185 (hba->saved_err & (INT_FATAL_ERRORS | UFSHCD_UIC_HIBERN8_MASK)); in ufshcd_is_saved_err_fatal()
6188 void ufshcd_schedule_eh_work(struct ufs_hba *hba) in ufshcd_schedule_eh_work() argument
6190 lockdep_assert_held(hba->host->host_lock); in ufshcd_schedule_eh_work()
6193 if (hba->ufshcd_state != UFSHCD_STATE_ERROR) { in ufshcd_schedule_eh_work()
6194 if (hba->force_reset || ufshcd_is_link_broken(hba) || in ufshcd_schedule_eh_work()
6195 ufshcd_is_saved_err_fatal(hba)) in ufshcd_schedule_eh_work()
6196 hba->ufshcd_state = UFSHCD_STATE_EH_SCHEDULED_FATAL; in ufshcd_schedule_eh_work()
6198 hba->ufshcd_state = UFSHCD_STATE_EH_SCHEDULED_NON_FATAL; in ufshcd_schedule_eh_work()
6199 queue_work(hba->eh_wq, &hba->eh_work); in ufshcd_schedule_eh_work()
6203 static void ufshcd_force_error_recovery(struct ufs_hba *hba) in ufshcd_force_error_recovery() argument
6205 spin_lock_irq(hba->host->host_lock); in ufshcd_force_error_recovery()
6206 hba->force_reset = true; in ufshcd_force_error_recovery()
6207 ufshcd_schedule_eh_work(hba); in ufshcd_force_error_recovery()
6208 spin_unlock_irq(hba->host->host_lock); in ufshcd_force_error_recovery()
6211 static void ufshcd_clk_scaling_allow(struct ufs_hba *hba, bool allow) in ufshcd_clk_scaling_allow() argument
6213 mutex_lock(&hba->wb_mutex); in ufshcd_clk_scaling_allow()
6214 down_write(&hba->clk_scaling_lock); in ufshcd_clk_scaling_allow()
6215 hba->clk_scaling.is_allowed = allow; in ufshcd_clk_scaling_allow()
6216 up_write(&hba->clk_scaling_lock); in ufshcd_clk_scaling_allow()
6217 mutex_unlock(&hba->wb_mutex); in ufshcd_clk_scaling_allow()
6220 static void ufshcd_clk_scaling_suspend(struct ufs_hba *hba, bool suspend) in ufshcd_clk_scaling_suspend() argument
6223 if (hba->clk_scaling.is_enabled) in ufshcd_clk_scaling_suspend()
6224 ufshcd_suspend_clkscaling(hba); in ufshcd_clk_scaling_suspend()
6225 ufshcd_clk_scaling_allow(hba, false); in ufshcd_clk_scaling_suspend()
6227 ufshcd_clk_scaling_allow(hba, true); in ufshcd_clk_scaling_suspend()
6228 if (hba->clk_scaling.is_enabled) in ufshcd_clk_scaling_suspend()
6229 ufshcd_resume_clkscaling(hba); in ufshcd_clk_scaling_suspend()
6233 static void ufshcd_err_handling_prepare(struct ufs_hba *hba) in ufshcd_err_handling_prepare() argument
6235 ufshcd_rpm_get_sync(hba); in ufshcd_err_handling_prepare()
6236 if (pm_runtime_status_suspended(&hba->ufs_device_wlun->sdev_gendev) || in ufshcd_err_handling_prepare()
6237 hba->is_sys_suspended) { in ufshcd_err_handling_prepare()
6245 ufshcd_setup_hba_vreg(hba, true); in ufshcd_err_handling_prepare()
6246 ufshcd_enable_irq(hba); in ufshcd_err_handling_prepare()
6247 ufshcd_setup_vreg(hba, true); in ufshcd_err_handling_prepare()
6248 ufshcd_config_vreg_hpm(hba, hba->vreg_info.vccq); in ufshcd_err_handling_prepare()
6249 ufshcd_config_vreg_hpm(hba, hba->vreg_info.vccq2); in ufshcd_err_handling_prepare()
6250 ufshcd_hold(hba); in ufshcd_err_handling_prepare()
6251 if (!ufshcd_is_clkgating_allowed(hba)) in ufshcd_err_handling_prepare()
6252 ufshcd_setup_clocks(hba, true); in ufshcd_err_handling_prepare()
6253 ufshcd_release(hba); in ufshcd_err_handling_prepare()
6254 pm_op = hba->is_sys_suspended ? UFS_SYSTEM_PM : UFS_RUNTIME_PM; in ufshcd_err_handling_prepare()
6255 ufshcd_vops_resume(hba, pm_op); in ufshcd_err_handling_prepare()
6257 ufshcd_hold(hba); in ufshcd_err_handling_prepare()
6258 if (ufshcd_is_clkscaling_supported(hba) && in ufshcd_err_handling_prepare()
6259 hba->clk_scaling.is_enabled) in ufshcd_err_handling_prepare()
6260 ufshcd_suspend_clkscaling(hba); in ufshcd_err_handling_prepare()
6261 ufshcd_clk_scaling_allow(hba, false); in ufshcd_err_handling_prepare()
6263 ufshcd_scsi_block_requests(hba); in ufshcd_err_handling_prepare()
6265 blk_mq_wait_quiesce_done(&hba->host->tag_set); in ufshcd_err_handling_prepare()
6266 cancel_work_sync(&hba->eeh_work); in ufshcd_err_handling_prepare()
6269 static void ufshcd_err_handling_unprepare(struct ufs_hba *hba) in ufshcd_err_handling_unprepare() argument
6271 ufshcd_scsi_unblock_requests(hba); in ufshcd_err_handling_unprepare()
6272 ufshcd_release(hba); in ufshcd_err_handling_unprepare()
6273 if (ufshcd_is_clkscaling_supported(hba)) in ufshcd_err_handling_unprepare()
6274 ufshcd_clk_scaling_suspend(hba, false); in ufshcd_err_handling_unprepare()
6275 ufshcd_rpm_put(hba); in ufshcd_err_handling_unprepare()
6278 static inline bool ufshcd_err_handling_should_stop(struct ufs_hba *hba) in ufshcd_err_handling_should_stop() argument
6280 return (!hba->is_powered || hba->shutting_down || in ufshcd_err_handling_should_stop()
6281 !hba->ufs_device_wlun || in ufshcd_err_handling_should_stop()
6282 hba->ufshcd_state == UFSHCD_STATE_ERROR || in ufshcd_err_handling_should_stop()
6283 (!(hba->saved_err || hba->saved_uic_err || hba->force_reset || in ufshcd_err_handling_should_stop()
6284 ufshcd_is_link_broken(hba)))); in ufshcd_err_handling_should_stop()
6288 static void ufshcd_recover_pm_error(struct ufs_hba *hba) in ufshcd_recover_pm_error() argument
6290 struct Scsi_Host *shost = hba->host; in ufshcd_recover_pm_error()
6295 hba->is_sys_suspended = false; in ufshcd_recover_pm_error()
6300 ret = pm_runtime_set_active(&hba->ufs_device_wlun->sdev_gendev); in ufshcd_recover_pm_error()
6302 /* hba device might have a runtime error otherwise */ in ufshcd_recover_pm_error()
6304 ret = pm_runtime_set_active(hba->dev); in ufshcd_recover_pm_error()
6321 static inline void ufshcd_recover_pm_error(struct ufs_hba *hba) in ufshcd_recover_pm_error() argument
6326 static bool ufshcd_is_pwr_mode_restore_needed(struct ufs_hba *hba) in ufshcd_is_pwr_mode_restore_needed() argument
6328 struct ufs_pa_layer_attr *pwr_info = &hba->pwr_info; in ufshcd_is_pwr_mode_restore_needed()
6331 ufshcd_dme_get(hba, UIC_ARG_MIB(PA_PWRMODE), &mode); in ufshcd_is_pwr_mode_restore_needed()
6349 struct ufs_hba *hba = shost_priv(shost); in ufshcd_abort_one() local
6351 *ret = ufshcd_try_to_abort_task(hba, tag); in ufshcd_abort_one()
6352 dev_err(hba->dev, "Aborting tag %d / CDB %#02x %s\n", tag, in ufshcd_abort_one()
6353 hba->lrb[tag].cmd ? hba->lrb[tag].cmd->cmnd[0] : -1, in ufshcd_abort_one()
6360 * @hba: Host bus adapter pointer.
6364 static bool ufshcd_abort_all(struct ufs_hba *hba) in ufshcd_abort_all() argument
6368 blk_mq_tagset_busy_iter(&hba->host->tag_set, ufshcd_abort_one, &ret); in ufshcd_abort_all()
6373 for_each_set_bit(tag, &hba->outstanding_tasks, hba->nutmrs) { in ufshcd_abort_all()
6374 ret = ufshcd_clear_tm_cmd(hba, tag); in ufshcd_abort_all()
6381 ufshcd_complete_requests(hba, false); in ufshcd_abort_all()
6393 struct ufs_hba *hba; in ufshcd_err_handler() local
6399 hba = container_of(work, struct ufs_hba, eh_work); in ufshcd_err_handler()
6401 dev_info(hba->dev, in ufshcd_err_handler()
6402 …"%s started; HBA state %s; powered %d; shutting down %d; saved_err = %d; saved_uic_err = %d; force… in ufshcd_err_handler()
6403 __func__, ufshcd_state_name[hba->ufshcd_state], in ufshcd_err_handler()
6404 hba->is_powered, hba->shutting_down, hba->saved_err, in ufshcd_err_handler()
6405 hba->saved_uic_err, hba->force_reset, in ufshcd_err_handler()
6406 ufshcd_is_link_broken(hba) ? "; link is broken" : ""); in ufshcd_err_handler()
6408 down(&hba->host_sem); in ufshcd_err_handler()
6409 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_err_handler()
6410 if (ufshcd_err_handling_should_stop(hba)) { in ufshcd_err_handler()
6411 if (hba->ufshcd_state != UFSHCD_STATE_ERROR) in ufshcd_err_handler()
6412 hba->ufshcd_state = UFSHCD_STATE_OPERATIONAL; in ufshcd_err_handler()
6413 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_err_handler()
6414 up(&hba->host_sem); in ufshcd_err_handler()
6417 ufshcd_set_eh_in_progress(hba); in ufshcd_err_handler()
6418 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_err_handler()
6419 ufshcd_err_handling_prepare(hba); in ufshcd_err_handler()
6421 ufshcd_complete_requests(hba, false); in ufshcd_err_handler()
6422 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_err_handler()
6427 if (hba->ufshcd_state != UFSHCD_STATE_ERROR) in ufshcd_err_handler()
6428 hba->ufshcd_state = UFSHCD_STATE_RESET; in ufshcd_err_handler()
6433 if (ufshcd_err_handling_should_stop(hba)) in ufshcd_err_handler()
6436 if (hba->dev_quirks & UFS_DEVICE_QUIRK_RECOVERY_FROM_DL_NAC_ERRORS) { in ufshcd_err_handler()
6439 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_err_handler()
6441 ret = ufshcd_quirk_dl_nac_errors(hba); in ufshcd_err_handler()
6442 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_err_handler()
6443 if (!ret && ufshcd_err_handling_should_stop(hba)) in ufshcd_err_handler()
6447 if ((hba->saved_err & (INT_FATAL_ERRORS | UFSHCD_UIC_HIBERN8_MASK)) || in ufshcd_err_handler()
6448 (hba->saved_uic_err && in ufshcd_err_handler()
6449 (hba->saved_uic_err != UFSHCD_UIC_PA_GENERIC_ERROR))) { in ufshcd_err_handler()
6450 bool pr_prdt = !!(hba->saved_err & SYSTEM_BUS_FATAL_ERROR); in ufshcd_err_handler()
6452 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_err_handler()
6453 ufshcd_print_host_state(hba); in ufshcd_err_handler()
6454 ufshcd_print_pwr_info(hba); in ufshcd_err_handler()
6455 ufshcd_print_evt_hist(hba); in ufshcd_err_handler()
6456 ufshcd_print_tmrs(hba, hba->outstanding_tasks); in ufshcd_err_handler()
6457 ufshcd_print_trs_all(hba, pr_prdt); in ufshcd_err_handler()
6458 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_err_handler()
6466 if (hba->force_reset || ufshcd_is_link_broken(hba) || in ufshcd_err_handler()
6467 ufshcd_is_saved_err_fatal(hba) || in ufshcd_err_handler()
6468 ((hba->saved_err & UIC_ERROR) && in ufshcd_err_handler()
6469 (hba->saved_uic_err & (UFSHCD_UIC_DL_NAC_RECEIVED_ERROR | in ufshcd_err_handler()
6479 if (hba->saved_uic_err & UFSHCD_UIC_PA_GENERIC_ERROR) { in ufshcd_err_handler()
6480 hba->saved_uic_err &= ~UFSHCD_UIC_PA_GENERIC_ERROR; in ufshcd_err_handler()
6481 if (!hba->saved_uic_err) in ufshcd_err_handler()
6482 hba->saved_err &= ~UIC_ERROR; in ufshcd_err_handler()
6483 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_err_handler()
6484 if (ufshcd_is_pwr_mode_restore_needed(hba)) in ufshcd_err_handler()
6486 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_err_handler()
6487 if (!hba->saved_err && !needs_restore) in ufshcd_err_handler()
6491 hba->silence_err_logs = true; in ufshcd_err_handler()
6493 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_err_handler()
6495 needs_reset = ufshcd_abort_all(hba); in ufshcd_err_handler()
6497 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_err_handler()
6498 hba->silence_err_logs = false; in ufshcd_err_handler()
6507 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_err_handler()
6512 down_write(&hba->clk_scaling_lock); in ufshcd_err_handler()
6513 hba->force_pmc = true; in ufshcd_err_handler()
6514 pmc_err = ufshcd_config_pwr_mode(hba, &(hba->pwr_info)); in ufshcd_err_handler()
6517 dev_err(hba->dev, "%s: Failed to restore power mode, err = %d\n", in ufshcd_err_handler()
6520 hba->force_pmc = false; in ufshcd_err_handler()
6521 ufshcd_print_pwr_info(hba); in ufshcd_err_handler()
6522 up_write(&hba->clk_scaling_lock); in ufshcd_err_handler()
6523 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_err_handler()
6531 hba->force_reset = false; in ufshcd_err_handler()
6532 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_err_handler()
6533 err = ufshcd_reset_and_restore(hba); in ufshcd_err_handler()
6535 dev_err(hba->dev, "%s: reset and restore failed with err %d\n", in ufshcd_err_handler()
6538 ufshcd_recover_pm_error(hba); in ufshcd_err_handler()
6539 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_err_handler()
6544 if (hba->ufshcd_state == UFSHCD_STATE_RESET) in ufshcd_err_handler()
6545 hba->ufshcd_state = UFSHCD_STATE_OPERATIONAL; in ufshcd_err_handler()
6546 if (hba->saved_err || hba->saved_uic_err) in ufshcd_err_handler()
6547 dev_err_ratelimited(hba->dev, "%s: exit: saved_err 0x%x saved_uic_err 0x%x", in ufshcd_err_handler()
6548 __func__, hba->saved_err, hba->saved_uic_err); in ufshcd_err_handler()
6551 if (hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL && in ufshcd_err_handler()
6552 hba->ufshcd_state != UFSHCD_STATE_ERROR) { in ufshcd_err_handler()
6555 hba->ufshcd_state = UFSHCD_STATE_ERROR; in ufshcd_err_handler()
6557 ufshcd_clear_eh_in_progress(hba); in ufshcd_err_handler()
6558 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_err_handler()
6559 ufshcd_err_handling_unprepare(hba); in ufshcd_err_handler()
6560 up(&hba->host_sem); in ufshcd_err_handler()
6562 dev_info(hba->dev, "%s finished; HBA state %s\n", __func__, in ufshcd_err_handler()
6563 ufshcd_state_name[hba->ufshcd_state]); in ufshcd_err_handler()
6568 * @hba: per-adapter instance
6574 static irqreturn_t ufshcd_update_uic_error(struct ufs_hba *hba) in ufshcd_update_uic_error() argument
6580 reg = ufshcd_readl(hba, REG_UIC_ERROR_CODE_PHY_ADAPTER_LAYER); in ufshcd_update_uic_error()
6583 ufshcd_update_evt_hist(hba, UFS_EVT_PA_ERR, reg); in ufshcd_update_uic_error()
6589 dev_dbg(hba->dev, "%s: UIC Lane error reported\n", in ufshcd_update_uic_error()
6596 hba->uic_error |= UFSHCD_UIC_PA_GENERIC_ERROR; in ufshcd_update_uic_error()
6597 if (hba->uic_async_done && hba->active_uic_cmd) in ufshcd_update_uic_error()
6598 cmd = hba->active_uic_cmd; in ufshcd_update_uic_error()
6604 hba->uic_error &= ~UFSHCD_UIC_PA_GENERIC_ERROR; in ufshcd_update_uic_error()
6610 reg = ufshcd_readl(hba, REG_UIC_ERROR_CODE_DATA_LINK_LAYER); in ufshcd_update_uic_error()
6613 ufshcd_update_evt_hist(hba, UFS_EVT_DL_ERR, reg); in ufshcd_update_uic_error()
6616 hba->uic_error |= UFSHCD_UIC_DL_PA_INIT_ERROR; in ufshcd_update_uic_error()
6617 else if (hba->dev_quirks & in ufshcd_update_uic_error()
6620 hba->uic_error |= in ufshcd_update_uic_error()
6623 hba->uic_error |= UFSHCD_UIC_DL_TCx_REPLAY_ERROR; in ufshcd_update_uic_error()
6629 reg = ufshcd_readl(hba, REG_UIC_ERROR_CODE_NETWORK_LAYER); in ufshcd_update_uic_error()
6632 ufshcd_update_evt_hist(hba, UFS_EVT_NL_ERR, reg); in ufshcd_update_uic_error()
6633 hba->uic_error |= UFSHCD_UIC_NL_ERROR; in ufshcd_update_uic_error()
6637 reg = ufshcd_readl(hba, REG_UIC_ERROR_CODE_TRANSPORT_LAYER); in ufshcd_update_uic_error()
6640 ufshcd_update_evt_hist(hba, UFS_EVT_TL_ERR, reg); in ufshcd_update_uic_error()
6641 hba->uic_error |= UFSHCD_UIC_TL_ERROR; in ufshcd_update_uic_error()
6645 reg = ufshcd_readl(hba, REG_UIC_ERROR_CODE_DME); in ufshcd_update_uic_error()
6648 ufshcd_update_evt_hist(hba, UFS_EVT_DME_ERR, reg); in ufshcd_update_uic_error()
6649 hba->uic_error |= UFSHCD_UIC_DME_ERROR; in ufshcd_update_uic_error()
6653 dev_dbg(hba->dev, "%s: UIC error flags = 0x%08x\n", in ufshcd_update_uic_error()
6654 __func__, hba->uic_error); in ufshcd_update_uic_error()
6660 * @hba: per-adapter instance
6667 static irqreturn_t ufshcd_check_errors(struct ufs_hba *hba, u32 intr_status) in ufshcd_check_errors() argument
6672 spin_lock(hba->host->host_lock); in ufshcd_check_errors()
6673 hba->errors |= UFSHCD_ERROR_MASK & intr_status; in ufshcd_check_errors()
6675 if (hba->errors & INT_FATAL_ERRORS) { in ufshcd_check_errors()
6676 ufshcd_update_evt_hist(hba, UFS_EVT_FATAL_ERR, in ufshcd_check_errors()
6677 hba->errors); in ufshcd_check_errors()
6681 if (hba->errors & UIC_ERROR) { in ufshcd_check_errors()
6682 hba->uic_error = 0; in ufshcd_check_errors()
6683 retval = ufshcd_update_uic_error(hba); in ufshcd_check_errors()
6684 if (hba->uic_error) in ufshcd_check_errors()
6688 if (hba->errors & UFSHCD_UIC_HIBERN8_MASK) { in ufshcd_check_errors()
6689 dev_err(hba->dev, in ufshcd_check_errors()
6691 __func__, (hba->errors & UIC_HIBERNATE_ENTER) ? in ufshcd_check_errors()
6693 hba->errors, ufshcd_get_upmcrs(hba)); in ufshcd_check_errors()
6694 ufshcd_update_evt_hist(hba, UFS_EVT_AUTO_HIBERN8_ERR, in ufshcd_check_errors()
6695 hba->errors); in ufshcd_check_errors()
6696 ufshcd_set_link_broken(hba); in ufshcd_check_errors()
6705 hba->saved_err |= hba->errors; in ufshcd_check_errors()
6706 hba->saved_uic_err |= hba->uic_error; in ufshcd_check_errors()
6709 if ((hba->saved_err & in ufshcd_check_errors()
6711 (hba->saved_uic_err && in ufshcd_check_errors()
6712 (hba->saved_uic_err != UFSHCD_UIC_PA_GENERIC_ERROR))) { in ufshcd_check_errors()
6713 dev_err(hba->dev, "%s: saved_err 0x%x saved_uic_err 0x%x\n", in ufshcd_check_errors()
6714 __func__, hba->saved_err, in ufshcd_check_errors()
6715 hba->saved_uic_err); in ufshcd_check_errors()
6716 ufshcd_dump_regs(hba, 0, UFSHCI_REG_SPACE_SIZE, in ufshcd_check_errors()
6718 ufshcd_print_pwr_info(hba); in ufshcd_check_errors()
6720 ufshcd_schedule_eh_work(hba); in ufshcd_check_errors()
6729 hba->errors = 0; in ufshcd_check_errors()
6730 hba->uic_error = 0; in ufshcd_check_errors()
6731 spin_unlock(hba->host->host_lock); in ufshcd_check_errors()
6737 * @hba: per adapter instance
6743 static irqreturn_t ufshcd_tmc_handler(struct ufs_hba *hba) in ufshcd_tmc_handler() argument
6749 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_tmc_handler()
6750 pending = ufshcd_readl(hba, REG_UTP_TASK_REQ_DOOR_BELL); in ufshcd_tmc_handler()
6751 issued = hba->outstanding_tasks & ~pending; in ufshcd_tmc_handler()
6752 for_each_set_bit(tag, &issued, hba->nutmrs) { in ufshcd_tmc_handler()
6753 struct request *req = hba->tmf_rqs[tag]; in ufshcd_tmc_handler()
6759 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_tmc_handler()
6766 * @hba: per adapter instance
6770 static irqreturn_t ufshcd_handle_mcq_cq_events(struct ufs_hba *hba) in ufshcd_handle_mcq_cq_events() argument
6778 ret = ufshcd_vops_get_outstanding_cqs(hba, &outstanding_cqs); in ufshcd_handle_mcq_cq_events()
6780 outstanding_cqs = (1U << hba->nr_hw_queues) - 1; in ufshcd_handle_mcq_cq_events()
6783 nr_queues = hba->nr_hw_queues - hba->nr_queues[HCTX_TYPE_POLL]; in ufshcd_handle_mcq_cq_events()
6785 hwq = &hba->uhq[i]; in ufshcd_handle_mcq_cq_events()
6787 events = ufshcd_mcq_read_cqis(hba, i); in ufshcd_handle_mcq_cq_events()
6789 ufshcd_mcq_write_cqis(hba, events, i); in ufshcd_handle_mcq_cq_events()
6792 ufshcd_mcq_poll_cqe_lock(hba, hwq); in ufshcd_handle_mcq_cq_events()
6800 * @hba: per adapter instance
6807 static irqreturn_t ufshcd_sl_intr(struct ufs_hba *hba, u32 intr_status) in ufshcd_sl_intr() argument
6812 retval |= ufshcd_uic_cmd_compl(hba, intr_status); in ufshcd_sl_intr()
6814 if (intr_status & UFSHCD_ERROR_MASK || hba->errors) in ufshcd_sl_intr()
6815 retval |= ufshcd_check_errors(hba, intr_status); in ufshcd_sl_intr()
6818 retval |= ufshcd_tmc_handler(hba); in ufshcd_sl_intr()
6821 retval |= ufshcd_transfer_req_compl(hba); in ufshcd_sl_intr()
6824 retval |= ufshcd_handle_mcq_cq_events(hba); in ufshcd_sl_intr()
6842 struct ufs_hba *hba = __hba; in ufshcd_intr() local
6843 int retries = hba->nutrs; in ufshcd_intr()
6845 intr_status = ufshcd_readl(hba, REG_INTERRUPT_STATUS); in ufshcd_intr()
6846 hba->ufs_stats.last_intr_status = intr_status; in ufshcd_intr()
6847 hba->ufs_stats.last_intr_ts = local_clock(); in ufshcd_intr()
6850 * There could be max of hba->nutrs reqs in flight and in worst case in ufshcd_intr()
6857 intr_status & ufshcd_readl(hba, REG_INTERRUPT_ENABLE); in ufshcd_intr()
6858 ufshcd_writel(hba, intr_status, REG_INTERRUPT_STATUS); in ufshcd_intr()
6860 retval |= ufshcd_sl_intr(hba, enabled_intr_status); in ufshcd_intr()
6862 intr_status = ufshcd_readl(hba, REG_INTERRUPT_STATUS); in ufshcd_intr()
6867 hba->outstanding_reqs) && !ufshcd_eh_in_progress(hba)) { in ufshcd_intr()
6868 dev_err(hba->dev, "%s: Unhandled interrupt 0x%08x (0x%08x, 0x%08x)\n", in ufshcd_intr()
6871 hba->ufs_stats.last_intr_status, in ufshcd_intr()
6873 ufshcd_dump_regs(hba, 0, UFSHCI_REG_SPACE_SIZE, "host_regs: "); in ufshcd_intr()
6879 static int ufshcd_clear_tm_cmd(struct ufs_hba *hba, int tag) in ufshcd_clear_tm_cmd() argument
6885 if (!test_bit(tag, &hba->outstanding_tasks)) in ufshcd_clear_tm_cmd()
6888 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_clear_tm_cmd()
6889 ufshcd_utmrl_clear(hba, tag); in ufshcd_clear_tm_cmd()
6890 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_clear_tm_cmd()
6893 err = ufshcd_wait_for_register(hba, in ufshcd_clear_tm_cmd()
6897 dev_err(hba->dev, "Clearing task management function with tag %d %s\n", in ufshcd_clear_tm_cmd()
6904 static int __ufshcd_issue_tm_cmd(struct ufs_hba *hba, in __ufshcd_issue_tm_cmd() argument
6907 struct request_queue *q = hba->tmf_queue; in __ufshcd_issue_tm_cmd()
6908 struct Scsi_Host *host = hba->host; in __ufshcd_issue_tm_cmd()
6922 ufshcd_hold(hba); in __ufshcd_issue_tm_cmd()
6927 WARN_ONCE(task_tag < 0 || task_tag >= hba->nutmrs, "Invalid tag %d\n", in __ufshcd_issue_tm_cmd()
6929 hba->tmf_rqs[req->tag] = req; in __ufshcd_issue_tm_cmd()
6932 memcpy(hba->utmrdl_base_addr + task_tag, treq, sizeof(*treq)); in __ufshcd_issue_tm_cmd()
6933 ufshcd_vops_setup_task_mgmt(hba, task_tag, tm_function); in __ufshcd_issue_tm_cmd()
6936 __set_bit(task_tag, &hba->outstanding_tasks); in __ufshcd_issue_tm_cmd()
6938 ufshcd_writel(hba, 1 << task_tag, REG_UTP_TASK_REQ_DOOR_BELL); in __ufshcd_issue_tm_cmd()
6944 ufshcd_add_tm_upiu_trace(hba, task_tag, UFS_TM_SEND); in __ufshcd_issue_tm_cmd()
6950 ufshcd_add_tm_upiu_trace(hba, task_tag, UFS_TM_ERR); in __ufshcd_issue_tm_cmd()
6951 dev_err(hba->dev, "%s: task management cmd 0x%.2x timed-out\n", in __ufshcd_issue_tm_cmd()
6953 if (ufshcd_clear_tm_cmd(hba, task_tag)) in __ufshcd_issue_tm_cmd()
6954 dev_WARN(hba->dev, "%s: unable to clear tm cmd (slot %d) after timeout\n", in __ufshcd_issue_tm_cmd()
6959 memcpy(treq, hba->utmrdl_base_addr + task_tag, sizeof(*treq)); in __ufshcd_issue_tm_cmd()
6961 ufshcd_add_tm_upiu_trace(hba, task_tag, UFS_TM_COMP); in __ufshcd_issue_tm_cmd()
6964 spin_lock_irqsave(hba->host->host_lock, flags); in __ufshcd_issue_tm_cmd()
6965 hba->tmf_rqs[req->tag] = NULL; in __ufshcd_issue_tm_cmd()
6966 __clear_bit(task_tag, &hba->outstanding_tasks); in __ufshcd_issue_tm_cmd()
6967 spin_unlock_irqrestore(hba->host->host_lock, flags); in __ufshcd_issue_tm_cmd()
6969 ufshcd_release(hba); in __ufshcd_issue_tm_cmd()
6977 * @hba: per adapter instance
6985 static int ufshcd_issue_tm_cmd(struct ufs_hba *hba, int lun_id, int task_id, in ufshcd_issue_tm_cmd() argument
7008 err = __ufshcd_issue_tm_cmd(hba, &treq, tm_function); in ufshcd_issue_tm_cmd()
7014 dev_err(hba->dev, "%s: failed, ocs = 0x%x\n", in ufshcd_issue_tm_cmd()
7024 * @hba: per-adapter instance
7037 * the caller is expected to hold the hba->dev_cmd.lock mutex.
7041 static int ufshcd_issue_devman_upiu_cmd(struct ufs_hba *hba, in ufshcd_issue_devman_upiu_cmd() argument
7049 const u32 tag = hba->reserved_slot; in ufshcd_issue_devman_upiu_cmd()
7054 /* Protects use of hba->reserved_slot. */ in ufshcd_issue_devman_upiu_cmd()
7055 lockdep_assert_held(&hba->dev_cmd.lock); in ufshcd_issue_devman_upiu_cmd()
7057 down_read(&hba->clk_scaling_lock); in ufshcd_issue_devman_upiu_cmd()
7059 lrbp = &hba->lrb[tag]; in ufshcd_issue_devman_upiu_cmd()
7065 hba->dev_cmd.type = cmd_type; in ufshcd_issue_devman_upiu_cmd()
7067 if (hba->ufs_version <= ufshci_version(1, 1)) in ufshcd_issue_devman_upiu_cmd()
7090 hba->dev_cmd.complete = &wait; in ufshcd_issue_devman_upiu_cmd()
7092 ufshcd_add_query_upiu_trace(hba, UFS_QUERY_SEND, lrbp->ucd_req_ptr); in ufshcd_issue_devman_upiu_cmd()
7094 ufshcd_send_command(hba, tag, hba->dev_cmd_queue); in ufshcd_issue_devman_upiu_cmd()
7100 ufshcd_wait_for_dev_cmd(hba, lrbp, QUERY_REQ_TIMEOUT); in ufshcd_issue_devman_upiu_cmd()
7113 dev_warn(hba->dev, in ufshcd_issue_devman_upiu_cmd()
7120 ufshcd_add_query_upiu_trace(hba, err ? UFS_QUERY_ERR : UFS_QUERY_COMP, in ufshcd_issue_devman_upiu_cmd()
7123 up_read(&hba->clk_scaling_lock); in ufshcd_issue_devman_upiu_cmd()
7129 * @hba: per-adapter instance
7144 int ufshcd_exec_raw_upiu_cmd(struct ufs_hba *hba, in ufshcd_exec_raw_upiu_cmd() argument
7162 ufshcd_hold(hba); in ufshcd_exec_raw_upiu_cmd()
7163 mutex_lock(&hba->dev_cmd.lock); in ufshcd_exec_raw_upiu_cmd()
7164 err = ufshcd_issue_devman_upiu_cmd(hba, req_upiu, rsp_upiu, in ufshcd_exec_raw_upiu_cmd()
7167 mutex_unlock(&hba->dev_cmd.lock); in ufshcd_exec_raw_upiu_cmd()
7168 ufshcd_release(hba); in ufshcd_exec_raw_upiu_cmd()
7177 err = __ufshcd_issue_tm_cmd(hba, &treq, tm_f); in ufshcd_exec_raw_upiu_cmd()
7183 dev_err(hba->dev, "%s: failed, ocs = 0x%x\n", __func__, in ufshcd_exec_raw_upiu_cmd()
7202 * @hba: per adapter instance
7213 int ufshcd_advanced_rpmb_req_handler(struct ufs_hba *hba, struct utp_upiu_req *req_upiu, in ufshcd_advanced_rpmb_req_handler() argument
7219 const u32 tag = hba->reserved_slot; in ufshcd_advanced_rpmb_req_handler()
7227 /* Protects use of hba->reserved_slot. */ in ufshcd_advanced_rpmb_req_handler()
7228 ufshcd_hold(hba); in ufshcd_advanced_rpmb_req_handler()
7229 mutex_lock(&hba->dev_cmd.lock); in ufshcd_advanced_rpmb_req_handler()
7230 down_read(&hba->clk_scaling_lock); in ufshcd_advanced_rpmb_req_handler()
7232 lrbp = &hba->lrb[tag]; in ufshcd_advanced_rpmb_req_handler()
7239 hba->dev_cmd.type = DEV_CMD_TYPE_RPMB; in ufshcd_advanced_rpmb_req_handler()
7249 if (hba->capabilities & MASK_EHSLUTRD_SUPPORTED) in ufshcd_advanced_rpmb_req_handler()
7263 ufshcd_sgl_to_prdt(hba, lrbp, sg_cnt, sg_list); in ufshcd_advanced_rpmb_req_handler()
7267 hba->dev_cmd.complete = &wait; in ufshcd_advanced_rpmb_req_handler()
7269 ufshcd_send_command(hba, tag, hba->dev_cmd_queue); in ufshcd_advanced_rpmb_req_handler()
7271 err = ufshcd_wait_for_dev_cmd(hba, lrbp, ADVANCED_RPMB_REQ_TIMEOUT); in ufshcd_advanced_rpmb_req_handler()
7296 up_read(&hba->clk_scaling_lock); in ufshcd_advanced_rpmb_req_handler()
7297 mutex_unlock(&hba->dev_cmd.lock); in ufshcd_advanced_rpmb_req_handler()
7298 ufshcd_release(hba); in ufshcd_advanced_rpmb_req_handler()
7312 struct ufs_hba *hba; in ufshcd_eh_device_reset_handler() local
7320 hba = shost_priv(host); in ufshcd_eh_device_reset_handler()
7323 err = ufshcd_issue_tm_cmd(hba, lun, 0, UFS_LOGICAL_RESET, &resp); in ufshcd_eh_device_reset_handler()
7330 if (is_mcq_enabled(hba)) { in ufshcd_eh_device_reset_handler()
7331 for (pos = 0; pos < hba->nutrs; pos++) { in ufshcd_eh_device_reset_handler()
7332 lrbp = &hba->lrb[pos]; in ufshcd_eh_device_reset_handler()
7335 ufshcd_clear_cmd(hba, pos); in ufshcd_eh_device_reset_handler()
7336 hwq = ufshcd_mcq_req_to_hwq(hba, scsi_cmd_to_rq(lrbp->cmd)); in ufshcd_eh_device_reset_handler()
7337 ufshcd_mcq_poll_cqe_lock(hba, hwq); in ufshcd_eh_device_reset_handler()
7345 spin_lock_irqsave(&hba->outstanding_lock, flags); in ufshcd_eh_device_reset_handler()
7346 for_each_set_bit(pos, &hba->outstanding_reqs, hba->nutrs) in ufshcd_eh_device_reset_handler()
7347 if (hba->lrb[pos].lun == lun) in ufshcd_eh_device_reset_handler()
7349 hba->outstanding_reqs &= ~pending_reqs; in ufshcd_eh_device_reset_handler()
7350 spin_unlock_irqrestore(&hba->outstanding_lock, flags); in ufshcd_eh_device_reset_handler()
7352 for_each_set_bit(pos, &pending_reqs, hba->nutrs) { in ufshcd_eh_device_reset_handler()
7353 if (ufshcd_clear_cmd(hba, pos) < 0) { in ufshcd_eh_device_reset_handler()
7354 spin_lock_irqsave(&hba->outstanding_lock, flags); in ufshcd_eh_device_reset_handler()
7356 ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL); in ufshcd_eh_device_reset_handler()
7357 hba->outstanding_reqs |= not_cleared; in ufshcd_eh_device_reset_handler()
7359 spin_unlock_irqrestore(&hba->outstanding_lock, flags); in ufshcd_eh_device_reset_handler()
7361 dev_err(hba->dev, "%s: failed to clear request %d\n", in ufshcd_eh_device_reset_handler()
7365 __ufshcd_transfer_req_compl(hba, pending_reqs & ~not_cleared_mask); in ufshcd_eh_device_reset_handler()
7368 hba->req_abort_count = 0; in ufshcd_eh_device_reset_handler()
7369 ufshcd_update_evt_hist(hba, UFS_EVT_DEV_RESET, (u32)err); in ufshcd_eh_device_reset_handler()
7373 dev_err(hba->dev, "%s: failed with err %d\n", __func__, err); in ufshcd_eh_device_reset_handler()
7379 static void ufshcd_set_req_abort_skip(struct ufs_hba *hba, unsigned long bitmap) in ufshcd_set_req_abort_skip() argument
7384 for_each_set_bit(tag, &bitmap, hba->nutrs) { in ufshcd_set_req_abort_skip()
7385 lrbp = &hba->lrb[tag]; in ufshcd_set_req_abort_skip()
7392 * @hba: Pointer to adapter instance
7403 int ufshcd_try_to_abort_task(struct ufs_hba *hba, int tag) in ufshcd_try_to_abort_task() argument
7405 struct ufshcd_lrb *lrbp = &hba->lrb[tag]; in ufshcd_try_to_abort_task()
7412 err = ufshcd_issue_tm_cmd(hba, lrbp->lun, lrbp->task_tag, in ufshcd_try_to_abort_task()
7416 dev_err(hba->dev, "%s: cmd pending in the device. tag = %d\n", in ufshcd_try_to_abort_task()
7424 dev_err(hba->dev, "%s: cmd at tag %d not pending in the device.\n", in ufshcd_try_to_abort_task()
7426 if (is_mcq_enabled(hba)) { in ufshcd_try_to_abort_task()
7434 dev_err(hba->dev, "%s: cmd at tag=%d is cleared.\n", in ufshcd_try_to_abort_task()
7440 reg = ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL); in ufshcd_try_to_abort_task()
7447 dev_err(hba->dev, "%s: cmd at tag %d successfully cleared from DB.\n", in ufshcd_try_to_abort_task()
7451 dev_err(hba->dev, in ufshcd_try_to_abort_task()
7465 err = ufshcd_issue_tm_cmd(hba, lrbp->lun, lrbp->task_tag, in ufshcd_try_to_abort_task()
7470 dev_err(hba->dev, "%s: issued. tag = %d, err %d\n", in ufshcd_try_to_abort_task()
7476 err = ufshcd_clear_cmd(hba, tag); in ufshcd_try_to_abort_task()
7478 dev_err(hba->dev, "%s: Failed clearing cmd at tag %d, err %d\n", in ufshcd_try_to_abort_task()
7494 struct ufs_hba *hba = shost_priv(host); in ufshcd_abort() local
7496 struct ufshcd_lrb *lrbp = &hba->lrb[tag]; in ufshcd_abort()
7504 ufshcd_hold(hba); in ufshcd_abort()
7506 if (!is_mcq_enabled(hba)) { in ufshcd_abort()
7507 reg = ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL); in ufshcd_abort()
7508 if (!test_bit(tag, &hba->outstanding_reqs)) { in ufshcd_abort()
7510 dev_err(hba->dev, in ufshcd_abort()
7512 __func__, tag, hba->outstanding_reqs, reg); in ufshcd_abort()
7518 dev_info(hba->dev, "%s: Device abort task at tag %d\n", __func__, tag); in ufshcd_abort()
7528 if (!hba->req_abort_count) { in ufshcd_abort()
7529 ufshcd_update_evt_hist(hba, UFS_EVT_ABORT, tag); in ufshcd_abort()
7530 ufshcd_print_evt_hist(hba); in ufshcd_abort()
7531 ufshcd_print_host_state(hba); in ufshcd_abort()
7532 ufshcd_print_pwr_info(hba); in ufshcd_abort()
7533 ufshcd_print_tr(hba, tag, true); in ufshcd_abort()
7535 ufshcd_print_tr(hba, tag, false); in ufshcd_abort()
7537 hba->req_abort_count++; in ufshcd_abort()
7539 if (!is_mcq_enabled(hba) && !(reg & (1 << tag))) { in ufshcd_abort()
7541 dev_err(hba->dev, in ufshcd_abort()
7544 __ufshcd_transfer_req_compl(hba, 1UL << tag); in ufshcd_abort()
7557 ufshcd_update_evt_hist(hba, UFS_EVT_ABORT, lrbp->lun); in ufshcd_abort()
7560 hba->force_reset = true; in ufshcd_abort()
7561 ufshcd_schedule_eh_work(hba); in ufshcd_abort()
7566 if (is_mcq_enabled(hba)) { in ufshcd_abort()
7574 dev_err(hba->dev, "%s: skipping abort\n", __func__); in ufshcd_abort()
7575 ufshcd_set_req_abort_skip(hba, hba->outstanding_reqs); in ufshcd_abort()
7579 err = ufshcd_try_to_abort_task(hba, tag); in ufshcd_abort()
7581 dev_err(hba->dev, "%s: failed with err %d\n", __func__, err); in ufshcd_abort()
7582 ufshcd_set_req_abort_skip(hba, hba->outstanding_reqs); in ufshcd_abort()
7591 spin_lock_irqsave(&hba->outstanding_lock, flags); in ufshcd_abort()
7592 outstanding = __test_and_clear_bit(tag, &hba->outstanding_reqs); in ufshcd_abort()
7593 spin_unlock_irqrestore(&hba->outstanding_lock, flags); in ufshcd_abort()
7596 ufshcd_release_scsi_cmd(hba, lrbp); in ufshcd_abort()
7602 ufshcd_release(hba); in ufshcd_abort()
7608 * @hba: per-adapter instance
7616 static int ufshcd_host_reset_and_restore(struct ufs_hba *hba) in ufshcd_host_reset_and_restore() argument
7624 ufshcd_hba_stop(hba); in ufshcd_host_reset_and_restore()
7625 hba->silence_err_logs = true; in ufshcd_host_reset_and_restore()
7626 ufshcd_complete_requests(hba, true); in ufshcd_host_reset_and_restore()
7627 hba->silence_err_logs = false; in ufshcd_host_reset_and_restore()
7630 ufshcd_scale_clks(hba, true); in ufshcd_host_reset_and_restore()
7632 err = ufshcd_hba_enable(hba); in ufshcd_host_reset_and_restore()
7636 err = ufshcd_probe_hba(hba, false); in ufshcd_host_reset_and_restore()
7639 dev_err(hba->dev, "%s: Host init failed %d\n", __func__, err); in ufshcd_host_reset_and_restore()
7640 ufshcd_update_evt_hist(hba, UFS_EVT_HOST_RESET, (u32)err); in ufshcd_host_reset_and_restore()
7646 * @hba: per-adapter instance
7653 static int ufshcd_reset_and_restore(struct ufs_hba *hba) in ufshcd_reset_and_restore() argument
7661 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_reset_and_restore()
7667 saved_err |= hba->saved_err; in ufshcd_reset_and_restore()
7668 saved_uic_err |= hba->saved_uic_err; in ufshcd_reset_and_restore()
7669 hba->saved_err = 0; in ufshcd_reset_and_restore()
7670 hba->saved_uic_err = 0; in ufshcd_reset_and_restore()
7671 hba->force_reset = false; in ufshcd_reset_and_restore()
7672 hba->ufshcd_state = UFSHCD_STATE_RESET; in ufshcd_reset_and_restore()
7673 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_reset_and_restore()
7676 ufshcd_device_reset(hba); in ufshcd_reset_and_restore()
7678 err = ufshcd_host_reset_and_restore(hba); in ufshcd_reset_and_restore()
7680 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_reset_and_restore()
7684 if (hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL && in ufshcd_reset_and_restore()
7685 hba->ufshcd_state != UFSHCD_STATE_ERROR && in ufshcd_reset_and_restore()
7686 hba->ufshcd_state != UFSHCD_STATE_EH_SCHEDULED_NON_FATAL) in ufshcd_reset_and_restore()
7694 scsi_report_bus_reset(hba->host, 0); in ufshcd_reset_and_restore()
7696 hba->ufshcd_state = UFSHCD_STATE_ERROR; in ufshcd_reset_and_restore()
7697 hba->saved_err |= saved_err; in ufshcd_reset_and_restore()
7698 hba->saved_uic_err |= saved_uic_err; in ufshcd_reset_and_restore()
7700 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_reset_and_restore()
7715 struct ufs_hba *hba; in ufshcd_eh_host_reset_handler() local
7717 hba = shost_priv(cmd->device->host); in ufshcd_eh_host_reset_handler()
7719 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_eh_host_reset_handler()
7720 hba->force_reset = true; in ufshcd_eh_host_reset_handler()
7721 ufshcd_schedule_eh_work(hba); in ufshcd_eh_host_reset_handler()
7722 dev_err(hba->dev, "%s: reset in progress - 1\n", __func__); in ufshcd_eh_host_reset_handler()
7723 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_eh_host_reset_handler()
7725 flush_work(&hba->eh_work); in ufshcd_eh_host_reset_handler()
7727 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_eh_host_reset_handler()
7728 if (hba->ufshcd_state == UFSHCD_STATE_ERROR) in ufshcd_eh_host_reset_handler()
7730 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_eh_host_reset_handler()
7784 * @hba: per-adapter instance
7789 static u32 ufshcd_find_max_sup_active_icc_level(struct ufs_hba *hba, in ufshcd_find_max_sup_active_icc_level() argument
7794 if (!hba->vreg_info.vcc || !hba->vreg_info.vccq || in ufshcd_find_max_sup_active_icc_level()
7795 !hba->vreg_info.vccq2) { in ufshcd_find_max_sup_active_icc_level()
7802 dev_dbg(hba->dev, in ufshcd_find_max_sup_active_icc_level()
7808 if (hba->vreg_info.vcc->max_uA) in ufshcd_find_max_sup_active_icc_level()
7810 hba->vreg_info.vcc->max_uA, in ufshcd_find_max_sup_active_icc_level()
7814 if (hba->vreg_info.vccq->max_uA) in ufshcd_find_max_sup_active_icc_level()
7816 hba->vreg_info.vccq->max_uA, in ufshcd_find_max_sup_active_icc_level()
7820 if (hba->vreg_info.vccq2->max_uA) in ufshcd_find_max_sup_active_icc_level()
7822 hba->vreg_info.vccq2->max_uA, in ufshcd_find_max_sup_active_icc_level()
7829 static void ufshcd_set_active_icc_lvl(struct ufs_hba *hba) in ufshcd_set_active_icc_lvl() argument
7839 ret = ufshcd_read_desc_param(hba, QUERY_DESC_IDN_POWER, 0, 0, in ufshcd_set_active_icc_lvl()
7842 dev_err(hba->dev, in ufshcd_set_active_icc_lvl()
7848 icc_level = ufshcd_find_max_sup_active_icc_level(hba, desc_buf); in ufshcd_set_active_icc_lvl()
7849 dev_dbg(hba->dev, "%s: setting icc_level 0x%x", __func__, icc_level); in ufshcd_set_active_icc_lvl()
7851 ret = ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_WRITE_ATTR, in ufshcd_set_active_icc_lvl()
7855 dev_err(hba->dev, in ufshcd_set_active_icc_lvl()
7875 * @hba: per-adapter instance
7899 static int ufshcd_scsi_add_wlus(struct ufs_hba *hba) in ufshcd_scsi_add_wlus() argument
7904 hba->ufs_device_wlun = __scsi_add_device(hba->host, 0, 0, in ufshcd_scsi_add_wlus()
7906 if (IS_ERR(hba->ufs_device_wlun)) { in ufshcd_scsi_add_wlus()
7907 ret = PTR_ERR(hba->ufs_device_wlun); in ufshcd_scsi_add_wlus()
7908 hba->ufs_device_wlun = NULL; in ufshcd_scsi_add_wlus()
7911 scsi_device_put(hba->ufs_device_wlun); in ufshcd_scsi_add_wlus()
7913 sdev_rpmb = __scsi_add_device(hba->host, 0, 0, in ufshcd_scsi_add_wlus()
7922 sdev_boot = __scsi_add_device(hba->host, 0, 0, in ufshcd_scsi_add_wlus()
7925 dev_err(hba->dev, "%s: BOOT WLUN not found\n", __func__); in ufshcd_scsi_add_wlus()
7933 scsi_remove_device(hba->ufs_device_wlun); in ufshcd_scsi_add_wlus()
7938 static void ufshcd_wb_probe(struct ufs_hba *hba, const u8 *desc_buf) in ufshcd_wb_probe() argument
7940 struct ufs_dev_info *dev_info = &hba->dev_info; in ufshcd_wb_probe()
7945 if (!ufshcd_is_wb_allowed(hba)) in ufshcd_wb_probe()
7955 (hba->dev_quirks & UFS_DEVICE_QUIRK_SUPPORT_EXTENDED_FEATURES))) in ufshcd_wb_probe()
7981 ufshcd_read_unit_desc_param(hba, in ufshcd_wb_probe()
7996 if (!ufshcd_is_wb_buf_lifetime_available(hba)) in ufshcd_wb_probe()
8002 hba->caps &= ~UFSHCD_CAP_WB_EN; in ufshcd_wb_probe()
8005 static void ufshcd_temp_notif_probe(struct ufs_hba *hba, const u8 *desc_buf) in ufshcd_temp_notif_probe() argument
8007 struct ufs_dev_info *dev_info = &hba->dev_info; in ufshcd_temp_notif_probe()
8011 if (!(hba->caps & UFSHCD_CAP_TEMP_NOTIF) || dev_info->wspecversion < 0x300) in ufshcd_temp_notif_probe()
8023 ufshcd_enable_ee(hba, mask); in ufshcd_temp_notif_probe()
8024 ufs_hwmon_probe(hba, mask); in ufshcd_temp_notif_probe()
8028 static void ufshcd_ext_iid_probe(struct ufs_hba *hba, u8 *desc_buf) in ufshcd_ext_iid_probe() argument
8030 struct ufs_dev_info *dev_info = &hba->dev_info; in ufshcd_ext_iid_probe()
8044 err = ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_READ_ATTR, in ufshcd_ext_iid_probe()
8047 dev_err(hba->dev, "failed reading bEXTIIDEn. err = %d\n", err); in ufshcd_ext_iid_probe()
8053 void ufshcd_fixup_dev_quirks(struct ufs_hba *hba, in ufshcd_fixup_dev_quirks() argument
8057 struct ufs_dev_info *dev_info = &hba->dev_info; in ufshcd_fixup_dev_quirks()
8068 hba->dev_quirks |= f->quirk; in ufshcd_fixup_dev_quirks()
8073 static void ufs_fixup_device_setup(struct ufs_hba *hba) in ufs_fixup_device_setup() argument
8076 ufshcd_fixup_dev_quirks(hba, ufs_fixups); in ufs_fixup_device_setup()
8079 ufshcd_vops_fixup_dev_quirks(hba); in ufs_fixup_device_setup()
8082 static int ufs_get_device_desc(struct ufs_hba *hba) in ufs_get_device_desc() argument
8087 struct ufs_dev_info *dev_info = &hba->dev_info; in ufs_get_device_desc()
8095 err = ufshcd_read_desc_param(hba, QUERY_DESC_IDN_DEVICE, 0, 0, desc_buf, in ufs_get_device_desc()
8098 dev_err(hba->dev, "%s: Failed reading Device Desc. err = %d\n", in ufs_get_device_desc()
8117 err = ufshcd_read_string_desc(hba, model_index, in ufs_get_device_desc()
8120 dev_err(hba->dev, "%s: Failed reading Product Name. err = %d\n", in ufs_get_device_desc()
8125 hba->luns_avail = desc_buf[DEVICE_DESC_PARAM_NUM_LU] + in ufs_get_device_desc()
8128 ufs_fixup_device_setup(hba); in ufs_get_device_desc()
8130 ufshcd_wb_probe(hba, desc_buf); in ufs_get_device_desc()
8132 ufshcd_temp_notif_probe(hba, desc_buf); in ufs_get_device_desc()
8134 if (hba->ext_iid_sup) in ufs_get_device_desc()
8135 ufshcd_ext_iid_probe(hba, desc_buf); in ufs_get_device_desc()
8148 static void ufs_put_device_desc(struct ufs_hba *hba) in ufs_put_device_desc() argument
8150 struct ufs_dev_info *dev_info = &hba->dev_info; in ufs_put_device_desc()
8158 * @hba: per-adapter instance
8167 static int ufshcd_tune_pa_tactivate(struct ufs_hba *hba) in ufshcd_tune_pa_tactivate() argument
8172 ret = ufshcd_dme_peer_get(hba, in ufshcd_tune_pa_tactivate()
8184 ret = ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TACTIVATE), in ufshcd_tune_pa_tactivate()
8193 * @hba: per-adapter instance
8202 static int ufshcd_tune_pa_hibern8time(struct ufs_hba *hba) in ufshcd_tune_pa_hibern8time() argument
8208 ret = ufshcd_dme_get(hba, in ufshcd_tune_pa_hibern8time()
8215 ret = ufshcd_dme_peer_get(hba, in ufshcd_tune_pa_hibern8time()
8227 ret = ufshcd_dme_set(hba, UIC_ARG_MIB(PA_HIBERN8TIME), in ufshcd_tune_pa_hibern8time()
8236 * @hba: per-adapter instance
8244 static int ufshcd_quirk_tune_host_pa_tactivate(struct ufs_hba *hba) in ufshcd_quirk_tune_host_pa_tactivate() argument
8252 ret = ufshcd_dme_get(hba, UIC_ARG_MIB(PA_GRANULARITY), in ufshcd_quirk_tune_host_pa_tactivate()
8257 ret = ufshcd_dme_peer_get(hba, UIC_ARG_MIB(PA_GRANULARITY), in ufshcd_quirk_tune_host_pa_tactivate()
8264 dev_err(hba->dev, "%s: invalid host PA_GRANULARITY %d", in ufshcd_quirk_tune_host_pa_tactivate()
8271 dev_err(hba->dev, "%s: invalid device PA_GRANULARITY %d", in ufshcd_quirk_tune_host_pa_tactivate()
8276 ret = ufshcd_dme_get(hba, UIC_ARG_MIB(PA_TACTIVATE), &pa_tactivate); in ufshcd_quirk_tune_host_pa_tactivate()
8280 ret = ufshcd_dme_peer_get(hba, UIC_ARG_MIB(PA_TACTIVATE), in ufshcd_quirk_tune_host_pa_tactivate()
8295 ret = ufshcd_dme_peer_set(hba, UIC_ARG_MIB(PA_TACTIVATE), in ufshcd_quirk_tune_host_pa_tactivate()
8303 static void ufshcd_tune_unipro_params(struct ufs_hba *hba) in ufshcd_tune_unipro_params() argument
8305 if (ufshcd_is_unipro_pa_params_tuning_req(hba)) { in ufshcd_tune_unipro_params()
8306 ufshcd_tune_pa_tactivate(hba); in ufshcd_tune_unipro_params()
8307 ufshcd_tune_pa_hibern8time(hba); in ufshcd_tune_unipro_params()
8310 ufshcd_vops_apply_dev_quirks(hba); in ufshcd_tune_unipro_params()
8312 if (hba->dev_quirks & UFS_DEVICE_QUIRK_PA_TACTIVATE) in ufshcd_tune_unipro_params()
8314 ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TACTIVATE), 10); in ufshcd_tune_unipro_params()
8316 if (hba->dev_quirks & UFS_DEVICE_QUIRK_HOST_PA_TACTIVATE) in ufshcd_tune_unipro_params()
8317 ufshcd_quirk_tune_host_pa_tactivate(hba); in ufshcd_tune_unipro_params()
8320 static void ufshcd_clear_dbg_ufs_stats(struct ufs_hba *hba) in ufshcd_clear_dbg_ufs_stats() argument
8322 hba->ufs_stats.hibern8_exit_cnt = 0; in ufshcd_clear_dbg_ufs_stats()
8323 hba->ufs_stats.last_hibern8_exit_tstamp = ktime_set(0, 0); in ufshcd_clear_dbg_ufs_stats()
8324 hba->req_abort_count = 0; in ufshcd_clear_dbg_ufs_stats()
8327 static int ufshcd_device_geo_params_init(struct ufs_hba *hba) in ufshcd_device_geo_params_init() argument
8338 err = ufshcd_read_desc_param(hba, QUERY_DESC_IDN_GEOMETRY, 0, 0, in ufshcd_device_geo_params_init()
8341 dev_err(hba->dev, "%s: Failed reading Geometry Desc. err = %d\n", in ufshcd_device_geo_params_init()
8347 hba->dev_info.max_lu_supported = 32; in ufshcd_device_geo_params_init()
8349 hba->dev_info.max_lu_supported = 8; in ufshcd_device_geo_params_init()
8381 void ufshcd_parse_dev_ref_clk_freq(struct ufs_hba *hba, struct clk *refclk) in ufshcd_parse_dev_ref_clk_freq() argument
8387 hba->dev_ref_clk_freq = in ufshcd_parse_dev_ref_clk_freq()
8390 if (hba->dev_ref_clk_freq == REF_CLK_FREQ_INVAL) in ufshcd_parse_dev_ref_clk_freq()
8391 dev_err(hba->dev, in ufshcd_parse_dev_ref_clk_freq()
8395 static int ufshcd_set_dev_ref_clk(struct ufs_hba *hba) in ufshcd_set_dev_ref_clk() argument
8399 u32 freq = hba->dev_ref_clk_freq; in ufshcd_set_dev_ref_clk()
8401 err = ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_READ_ATTR, in ufshcd_set_dev_ref_clk()
8405 dev_err(hba->dev, "failed reading bRefClkFreq. err = %d\n", in ufshcd_set_dev_ref_clk()
8413 err = ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_WRITE_ATTR, in ufshcd_set_dev_ref_clk()
8417 dev_err(hba->dev, "bRefClkFreq setting to %lu Hz failed\n", in ufshcd_set_dev_ref_clk()
8422 dev_dbg(hba->dev, "bRefClkFreq setting to %lu Hz succeeded\n", in ufshcd_set_dev_ref_clk()
8429 static int ufshcd_device_params_init(struct ufs_hba *hba) in ufshcd_device_params_init() argument
8435 ret = ufshcd_device_geo_params_init(hba); in ufshcd_device_params_init()
8440 ret = ufs_get_device_desc(hba); in ufshcd_device_params_init()
8442 dev_err(hba->dev, "%s: Failed getting device info. err = %d\n", in ufshcd_device_params_init()
8447 ufshcd_get_ref_clk_gating_wait(hba); in ufshcd_device_params_init()
8449 if (!ufshcd_query_flag_retry(hba, UPIU_QUERY_OPCODE_READ_FLAG, in ufshcd_device_params_init()
8451 hba->dev_info.f_power_on_wp_en = flag; in ufshcd_device_params_init()
8454 if (ufshcd_get_max_pwr_mode(hba)) in ufshcd_device_params_init()
8455 dev_err(hba->dev, in ufshcd_device_params_init()
8462 static void ufshcd_set_timestamp_attr(struct ufs_hba *hba) in ufshcd_set_timestamp_attr() argument
8467 struct ufs_dev_info *dev_info = &hba->dev_info; in ufshcd_set_timestamp_attr()
8473 ufshcd_hold(hba); in ufshcd_set_timestamp_attr()
8475 mutex_lock(&hba->dev_cmd.lock); in ufshcd_set_timestamp_attr()
8477 ufshcd_init_query(hba, &request, &response, in ufshcd_set_timestamp_attr()
8487 err = ufshcd_exec_dev_cmd(hba, DEV_CMD_TYPE_QUERY, QUERY_REQ_TIMEOUT); in ufshcd_set_timestamp_attr()
8490 dev_err(hba->dev, "%s: failed to set timestamp %d\n", in ufshcd_set_timestamp_attr()
8493 mutex_unlock(&hba->dev_cmd.lock); in ufshcd_set_timestamp_attr()
8494 ufshcd_release(hba); in ufshcd_set_timestamp_attr()
8499 * @hba: per-adapter instance
8503 static int ufshcd_add_lus(struct ufs_hba *hba) in ufshcd_add_lus() argument
8508 ret = ufshcd_scsi_add_wlus(hba); in ufshcd_add_lus()
8513 if (ufshcd_is_clkscaling_supported(hba)) { in ufshcd_add_lus()
8514 memcpy(&hba->clk_scaling.saved_pwr_info, in ufshcd_add_lus()
8515 &hba->pwr_info, in ufshcd_add_lus()
8517 hba->clk_scaling.is_allowed = true; in ufshcd_add_lus()
8519 ret = ufshcd_devfreq_init(hba); in ufshcd_add_lus()
8523 hba->clk_scaling.is_enabled = true; in ufshcd_add_lus()
8524 ufshcd_init_clk_scaling_sysfs(hba); in ufshcd_add_lus()
8527 ufs_bsg_probe(hba); in ufshcd_add_lus()
8528 scsi_scan_host(hba->host); in ufshcd_add_lus()
8529 pm_runtime_put_sync(hba->dev); in ufshcd_add_lus()
8536 static void ufshcd_release_sdb_queue(struct ufs_hba *hba, int nutrs) in ufshcd_release_sdb_queue() argument
8540 ucdl_size = ufshcd_get_ucd_size(hba) * nutrs; in ufshcd_release_sdb_queue()
8541 dmam_free_coherent(hba->dev, ucdl_size, hba->ucdl_base_addr, in ufshcd_release_sdb_queue()
8542 hba->ucdl_dma_addr); in ufshcd_release_sdb_queue()
8545 dmam_free_coherent(hba->dev, utrdl_size, hba->utrdl_base_addr, in ufshcd_release_sdb_queue()
8546 hba->utrdl_dma_addr); in ufshcd_release_sdb_queue()
8548 devm_kfree(hba->dev, hba->lrb); in ufshcd_release_sdb_queue()
8551 static int ufshcd_alloc_mcq(struct ufs_hba *hba) in ufshcd_alloc_mcq() argument
8554 int old_nutrs = hba->nutrs; in ufshcd_alloc_mcq()
8556 ret = ufshcd_mcq_decide_queue_depth(hba); in ufshcd_alloc_mcq()
8560 hba->nutrs = ret; in ufshcd_alloc_mcq()
8561 ret = ufshcd_mcq_init(hba); in ufshcd_alloc_mcq()
8569 if (hba->nutrs != old_nutrs) { in ufshcd_alloc_mcq()
8570 ufshcd_release_sdb_queue(hba, old_nutrs); in ufshcd_alloc_mcq()
8571 ret = ufshcd_memory_alloc(hba); in ufshcd_alloc_mcq()
8574 ufshcd_host_memory_configure(hba); in ufshcd_alloc_mcq()
8577 ret = ufshcd_mcq_memory_alloc(hba); in ufshcd_alloc_mcq()
8583 hba->nutrs = old_nutrs; in ufshcd_alloc_mcq()
8587 static void ufshcd_config_mcq(struct ufs_hba *hba) in ufshcd_config_mcq() argument
8592 ret = ufshcd_mcq_vops_config_esi(hba); in ufshcd_config_mcq()
8593 dev_info(hba->dev, "ESI %sconfigured\n", ret ? "is not " : ""); in ufshcd_config_mcq()
8596 if (hba->quirks & UFSHCD_QUIRK_MCQ_BROKEN_INTR) in ufshcd_config_mcq()
8598 ufshcd_enable_intr(hba, intrs); in ufshcd_config_mcq()
8599 ufshcd_mcq_make_queues_operational(hba); in ufshcd_config_mcq()
8600 ufshcd_mcq_config_mac(hba, hba->nutrs); in ufshcd_config_mcq()
8602 hba->host->can_queue = hba->nutrs - UFSHCD_NUM_RESERVED; in ufshcd_config_mcq()
8603 hba->reserved_slot = hba->nutrs - UFSHCD_NUM_RESERVED; in ufshcd_config_mcq()
8606 ufshcd_writel(hba, ufshcd_readl(hba, REG_UFS_MEM_CFG) | 0x1, in ufshcd_config_mcq()
8608 hba->mcq_enabled = true; in ufshcd_config_mcq()
8610 …dev_info(hba->dev, "MCQ configured, nr_queues=%d, io_queues=%d, read_queue=%d, poll_queues=%d, que… in ufshcd_config_mcq()
8611 hba->nr_hw_queues, hba->nr_queues[HCTX_TYPE_DEFAULT], in ufshcd_config_mcq()
8612 hba->nr_queues[HCTX_TYPE_READ], hba->nr_queues[HCTX_TYPE_POLL], in ufshcd_config_mcq()
8613 hba->nutrs); in ufshcd_config_mcq()
8616 static int ufshcd_device_init(struct ufs_hba *hba, bool init_dev_params) in ufshcd_device_init() argument
8619 struct Scsi_Host *host = hba->host; in ufshcd_device_init()
8621 hba->ufshcd_state = UFSHCD_STATE_RESET; in ufshcd_device_init()
8623 ret = ufshcd_link_startup(hba); in ufshcd_device_init()
8627 if (hba->quirks & UFSHCD_QUIRK_SKIP_PH_CONFIGURATION) in ufshcd_device_init()
8631 ufshcd_clear_dbg_ufs_stats(hba); in ufshcd_device_init()
8634 ufshcd_set_link_active(hba); in ufshcd_device_init()
8637 if (is_mcq_enabled(hba) && !init_dev_params) in ufshcd_device_init()
8638 ufshcd_config_mcq(hba); in ufshcd_device_init()
8641 ret = ufshcd_verify_dev_init(hba); in ufshcd_device_init()
8646 ret = ufshcd_complete_dev_init(hba); in ufshcd_device_init()
8655 ret = ufshcd_device_params_init(hba); in ufshcd_device_init()
8658 if (is_mcq_supported(hba) && !hba->scsi_host_added) { in ufshcd_device_init()
8659 ret = ufshcd_alloc_mcq(hba); in ufshcd_device_init()
8661 ufshcd_config_mcq(hba); in ufshcd_device_init()
8665 dev_err(hba->dev, "MCQ mode is disabled, err=%d\n", in ufshcd_device_init()
8668 ret = scsi_add_host(host, hba->dev); in ufshcd_device_init()
8670 dev_err(hba->dev, "scsi_add_host failed\n"); in ufshcd_device_init()
8673 hba->scsi_host_added = true; in ufshcd_device_init()
8674 } else if (is_mcq_supported(hba)) { in ufshcd_device_init()
8676 ufshcd_config_mcq(hba); in ufshcd_device_init()
8680 ufshcd_tune_unipro_params(hba); in ufshcd_device_init()
8683 ufshcd_set_ufs_dev_active(hba); in ufshcd_device_init()
8684 ufshcd_force_reset_auto_bkops(hba); in ufshcd_device_init()
8686 ufshcd_set_timestamp_attr(hba); in ufshcd_device_init()
8689 if (hba->max_pwr_info.is_valid) { in ufshcd_device_init()
8694 if (hba->dev_ref_clk_freq != REF_CLK_FREQ_INVAL) in ufshcd_device_init()
8695 ufshcd_set_dev_ref_clk(hba); in ufshcd_device_init()
8696 ret = ufshcd_config_pwr_mode(hba, &hba->max_pwr_info.info); in ufshcd_device_init()
8698 dev_err(hba->dev, "%s: Failed setting power mode, err = %d\n", in ufshcd_device_init()
8708 * ufshcd_probe_hba - probe hba to detect device and initialize it
8709 * @hba: per-adapter instance
8716 static int ufshcd_probe_hba(struct ufs_hba *hba, bool init_dev_params) in ufshcd_probe_hba() argument
8722 ret = ufshcd_device_init(hba, init_dev_params); in ufshcd_probe_hba()
8726 if (hba->quirks & UFSHCD_QUIRK_REINIT_AFTER_MAX_GEAR_SWITCH) { in ufshcd_probe_hba()
8728 ufshcd_device_reset(hba); in ufshcd_probe_hba()
8729 ufshcd_hba_stop(hba); in ufshcd_probe_hba()
8730 ufshcd_vops_reinit_notify(hba); in ufshcd_probe_hba()
8731 ret = ufshcd_hba_enable(hba); in ufshcd_probe_hba()
8733 dev_err(hba->dev, "Host controller enable failed\n"); in ufshcd_probe_hba()
8734 ufshcd_print_evt_hist(hba); in ufshcd_probe_hba()
8735 ufshcd_print_host_state(hba); in ufshcd_probe_hba()
8740 ret = ufshcd_device_init(hba, init_dev_params); in ufshcd_probe_hba()
8745 ufshcd_print_pwr_info(hba); in ufshcd_probe_hba()
8753 ufshcd_set_active_icc_lvl(hba); in ufshcd_probe_hba()
8756 ufshcd_configure_wb(hba); in ufshcd_probe_hba()
8758 if (hba->ee_usr_mask) in ufshcd_probe_hba()
8759 ufshcd_write_ee_control(hba); in ufshcd_probe_hba()
8761 ufshcd_auto_hibern8_enable(hba); in ufshcd_probe_hba()
8764 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_probe_hba()
8766 hba->ufshcd_state = UFSHCD_STATE_ERROR; in ufshcd_probe_hba()
8767 else if (hba->ufshcd_state == UFSHCD_STATE_RESET) in ufshcd_probe_hba()
8768 hba->ufshcd_state = UFSHCD_STATE_OPERATIONAL; in ufshcd_probe_hba()
8769 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_probe_hba()
8771 trace_ufshcd_init(dev_name(hba->dev), ret, in ufshcd_probe_hba()
8773 hba->curr_dev_pwr_mode, hba->uic_link_state); in ufshcd_probe_hba()
8778 * ufshcd_async_scan - asynchronous execution for probing hba
8784 struct ufs_hba *hba = (struct ufs_hba *)data; in ufshcd_async_scan() local
8787 down(&hba->host_sem); in ufshcd_async_scan()
8788 /* Initialize hba, detect and initialize UFS device */ in ufshcd_async_scan()
8789 ret = ufshcd_probe_hba(hba, true); in ufshcd_async_scan()
8790 up(&hba->host_sem); in ufshcd_async_scan()
8795 ret = ufshcd_add_lus(hba); in ufshcd_async_scan()
8802 pm_runtime_put_sync(hba->dev); in ufshcd_async_scan()
8803 ufshcd_hba_exit(hba); in ufshcd_async_scan()
8809 struct ufs_hba *hba = shost_priv(scmd->device->host); in ufshcd_eh_timed_out() local
8811 if (!hba->system_suspending) { in ufshcd_eh_timed_out()
8822 ufshcd_link_recovery(hba); in ufshcd_eh_timed_out()
8823 dev_info(hba->dev, "%s() finished; outstanding_tasks = %#lx.\n", in ufshcd_eh_timed_out()
8824 __func__, hba->outstanding_tasks); in ufshcd_eh_timed_out()
8826 return hba->outstanding_reqs ? SCSI_EH_RESET_TIMER : SCSI_EH_DONE; in ufshcd_eh_timed_out()
8899 static inline int ufshcd_config_vreg_lpm(struct ufs_hba *hba, in ufshcd_config_vreg_lpm() argument
8902 return ufshcd_config_vreg_load(hba->dev, vreg, UFS_VREG_LPM_LOAD_UA); in ufshcd_config_vreg_lpm()
8905 static inline int ufshcd_config_vreg_hpm(struct ufs_hba *hba, in ufshcd_config_vreg_hpm() argument
8911 return ufshcd_config_vreg_load(hba->dev, vreg, vreg->max_uA); in ufshcd_config_vreg_hpm()
8964 static int ufshcd_setup_vreg(struct ufs_hba *hba, bool on) in ufshcd_setup_vreg() argument
8967 struct device *dev = hba->dev; in ufshcd_setup_vreg()
8968 struct ufs_vreg_info *info = &hba->vreg_info; in ufshcd_setup_vreg()
8989 static int ufshcd_setup_hba_vreg(struct ufs_hba *hba, bool on) in ufshcd_setup_hba_vreg() argument
8991 struct ufs_vreg_info *info = &hba->vreg_info; in ufshcd_setup_hba_vreg()
8993 return ufshcd_toggle_vreg(hba->dev, info->vdd_hba, on); in ufshcd_setup_hba_vreg()
9014 static int ufshcd_init_vreg(struct ufs_hba *hba) in ufshcd_init_vreg() argument
9017 struct device *dev = hba->dev; in ufshcd_init_vreg()
9018 struct ufs_vreg_info *info = &hba->vreg_info; in ufshcd_init_vreg()
9031 static int ufshcd_init_hba_vreg(struct ufs_hba *hba) in ufshcd_init_hba_vreg() argument
9033 struct ufs_vreg_info *info = &hba->vreg_info; in ufshcd_init_hba_vreg()
9035 return ufshcd_get_vreg(hba->dev, info->vdd_hba); in ufshcd_init_hba_vreg()
9038 static int ufshcd_setup_clocks(struct ufs_hba *hba, bool on) in ufshcd_setup_clocks() argument
9042 struct list_head *head = &hba->clk_list_head; in ufshcd_setup_clocks()
9050 ret = ufshcd_vops_setup_clocks(hba, on, PRE_CHANGE); in ufshcd_setup_clocks()
9060 if (ufshcd_is_link_active(hba) && in ufshcd_setup_clocks()
9068 dev_err(hba->dev, "%s: %s prepare enable failed, %d\n", in ufshcd_setup_clocks()
9076 dev_dbg(hba->dev, "%s: clk: %s %sabled\n", __func__, in ufshcd_setup_clocks()
9081 ret = ufshcd_vops_setup_clocks(hba, on, POST_CHANGE); in ufshcd_setup_clocks()
9092 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_setup_clocks()
9093 hba->clk_gating.state = CLKS_ON; in ufshcd_setup_clocks()
9094 trace_ufshcd_clk_gating(dev_name(hba->dev), in ufshcd_setup_clocks()
9095 hba->clk_gating.state); in ufshcd_setup_clocks()
9096 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_setup_clocks()
9100 trace_ufshcd_profile_clk_gating(dev_name(hba->dev), in ufshcd_setup_clocks()
9106 static enum ufs_ref_clk_freq ufshcd_parse_ref_clk_property(struct ufs_hba *hba) in ufshcd_parse_ref_clk_property() argument
9109 int ret = device_property_read_u32(hba->dev, "ref-clk-freq", &freq); in ufshcd_parse_ref_clk_property()
9112 dev_dbg(hba->dev, "Cannot query 'ref-clk-freq' property = %d", ret); in ufshcd_parse_ref_clk_property()
9119 static int ufshcd_init_clocks(struct ufs_hba *hba) in ufshcd_init_clocks() argument
9123 struct device *dev = hba->dev; in ufshcd_init_clocks()
9124 struct list_head *head = &hba->clk_list_head; in ufshcd_init_clocks()
9147 ufshcd_parse_dev_ref_clk_freq(hba, clki->clk); in ufshcd_init_clocks()
9152 dev_err(hba->dev, "%s: %s clk set rate(%dHz) failed, %d\n", in ufshcd_init_clocks()
9166 static int ufshcd_variant_hba_init(struct ufs_hba *hba) in ufshcd_variant_hba_init() argument
9170 if (!hba->vops) in ufshcd_variant_hba_init()
9173 err = ufshcd_vops_init(hba); in ufshcd_variant_hba_init()
9175 dev_err_probe(hba->dev, err, in ufshcd_variant_hba_init()
9177 __func__, ufshcd_get_var_name(hba), err); in ufshcd_variant_hba_init()
9182 static void ufshcd_variant_hba_exit(struct ufs_hba *hba) in ufshcd_variant_hba_exit() argument
9184 if (!hba->vops) in ufshcd_variant_hba_exit()
9187 ufshcd_vops_exit(hba); in ufshcd_variant_hba_exit()
9190 static int ufshcd_hba_init(struct ufs_hba *hba) in ufshcd_hba_init() argument
9201 err = ufshcd_init_hba_vreg(hba); in ufshcd_hba_init()
9205 err = ufshcd_setup_hba_vreg(hba, true); in ufshcd_hba_init()
9209 err = ufshcd_init_clocks(hba); in ufshcd_hba_init()
9213 if (hba->dev_ref_clk_freq == REF_CLK_FREQ_INVAL) in ufshcd_hba_init()
9214 hba->dev_ref_clk_freq = ufshcd_parse_ref_clk_property(hba); in ufshcd_hba_init()
9216 err = ufshcd_setup_clocks(hba, true); in ufshcd_hba_init()
9220 err = ufshcd_init_vreg(hba); in ufshcd_hba_init()
9224 err = ufshcd_setup_vreg(hba, true); in ufshcd_hba_init()
9228 err = ufshcd_variant_hba_init(hba); in ufshcd_hba_init()
9232 ufs_debugfs_hba_init(hba); in ufshcd_hba_init()
9234 hba->is_powered = true; in ufshcd_hba_init()
9238 ufshcd_setup_vreg(hba, false); in ufshcd_hba_init()
9240 ufshcd_setup_clocks(hba, false); in ufshcd_hba_init()
9242 ufshcd_setup_hba_vreg(hba, false); in ufshcd_hba_init()
9247 static void ufshcd_hba_exit(struct ufs_hba *hba) in ufshcd_hba_exit() argument
9249 if (hba->is_powered) { in ufshcd_hba_exit()
9250 ufshcd_exit_clk_scaling(hba); in ufshcd_hba_exit()
9251 ufshcd_exit_clk_gating(hba); in ufshcd_hba_exit()
9252 if (hba->eh_wq) in ufshcd_hba_exit()
9253 destroy_workqueue(hba->eh_wq); in ufshcd_hba_exit()
9254 ufs_debugfs_hba_exit(hba); in ufshcd_hba_exit()
9255 ufshcd_variant_hba_exit(hba); in ufshcd_hba_exit()
9256 ufshcd_setup_vreg(hba, false); in ufshcd_hba_exit()
9257 ufshcd_setup_clocks(hba, false); in ufshcd_hba_exit()
9258 ufshcd_setup_hba_vreg(hba, false); in ufshcd_hba_exit()
9259 hba->is_powered = false; in ufshcd_hba_exit()
9260 ufs_put_device_desc(hba); in ufshcd_hba_exit()
9283 * @hba: per adapter instance
9289 static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba, in ufshcd_set_dev_pwr_mode() argument
9297 spin_lock_irqsave(hba->host->host_lock, flags); in ufshcd_set_dev_pwr_mode()
9298 sdp = hba->ufs_device_wlun; in ufshcd_set_dev_pwr_mode()
9303 spin_unlock_irqrestore(hba->host->host_lock, flags); in ufshcd_set_dev_pwr_mode()
9314 hba->host->eh_noresume = 1; in ufshcd_set_dev_pwr_mode()
9340 hba->curr_dev_pwr_mode = pwr_mode; in ufshcd_set_dev_pwr_mode()
9344 hba->host->eh_noresume = 0; in ufshcd_set_dev_pwr_mode()
9348 static int ufshcd_link_state_transition(struct ufs_hba *hba, in ufshcd_link_state_transition() argument
9354 if (req_link_state == hba->uic_link_state) in ufshcd_link_state_transition()
9358 ret = ufshcd_uic_hibern8_enter(hba); in ufshcd_link_state_transition()
9360 ufshcd_set_link_hibern8(hba); in ufshcd_link_state_transition()
9362 dev_err(hba->dev, "%s: hibern8 enter failed %d\n", in ufshcd_link_state_transition()
9373 (!check_for_bkops || !hba->auto_bkops_enabled)) { in ufshcd_link_state_transition()
9384 ret = ufshcd_uic_hibern8_enter(hba); in ufshcd_link_state_transition()
9386 dev_err(hba->dev, "%s: hibern8 enter failed %d\n", in ufshcd_link_state_transition()
9394 ufshcd_hba_stop(hba); in ufshcd_link_state_transition()
9399 ufshcd_set_link_off(hba); in ufshcd_link_state_transition()
9406 static void ufshcd_vreg_set_lpm(struct ufs_hba *hba) in ufshcd_vreg_set_lpm() argument
9416 if (!ufshcd_is_link_active(hba) && in ufshcd_vreg_set_lpm()
9417 hba->dev_quirks & UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM) in ufshcd_vreg_set_lpm()
9435 if (ufshcd_is_ufs_dev_poweroff(hba) && ufshcd_is_link_off(hba) && in ufshcd_vreg_set_lpm()
9436 !hba->dev_info.is_lu_power_on_wp) { in ufshcd_vreg_set_lpm()
9437 ufshcd_setup_vreg(hba, false); in ufshcd_vreg_set_lpm()
9439 } else if (!ufshcd_is_ufs_dev_active(hba)) { in ufshcd_vreg_set_lpm()
9440 ufshcd_toggle_vreg(hba->dev, hba->vreg_info.vcc, false); in ufshcd_vreg_set_lpm()
9442 if (ufshcd_is_link_hibern8(hba) || ufshcd_is_link_off(hba)) { in ufshcd_vreg_set_lpm()
9443 ufshcd_config_vreg_lpm(hba, hba->vreg_info.vccq); in ufshcd_vreg_set_lpm()
9444 ufshcd_config_vreg_lpm(hba, hba->vreg_info.vccq2); in ufshcd_vreg_set_lpm()
9451 if (vcc_off && hba->vreg_info.vcc && in ufshcd_vreg_set_lpm()
9452 hba->dev_quirks & UFS_DEVICE_QUIRK_DELAY_AFTER_LPM) in ufshcd_vreg_set_lpm()
9457 static int ufshcd_vreg_set_hpm(struct ufs_hba *hba) in ufshcd_vreg_set_hpm() argument
9461 if (ufshcd_is_ufs_dev_poweroff(hba) && ufshcd_is_link_off(hba) && in ufshcd_vreg_set_hpm()
9462 !hba->dev_info.is_lu_power_on_wp) { in ufshcd_vreg_set_hpm()
9463 ret = ufshcd_setup_vreg(hba, true); in ufshcd_vreg_set_hpm()
9464 } else if (!ufshcd_is_ufs_dev_active(hba)) { in ufshcd_vreg_set_hpm()
9465 if (!ufshcd_is_link_active(hba)) { in ufshcd_vreg_set_hpm()
9466 ret = ufshcd_config_vreg_hpm(hba, hba->vreg_info.vccq); in ufshcd_vreg_set_hpm()
9469 ret = ufshcd_config_vreg_hpm(hba, hba->vreg_info.vccq2); in ufshcd_vreg_set_hpm()
9473 ret = ufshcd_toggle_vreg(hba->dev, hba->vreg_info.vcc, true); in ufshcd_vreg_set_hpm()
9478 ufshcd_config_vreg_lpm(hba, hba->vreg_info.vccq); in ufshcd_vreg_set_hpm()
9480 ufshcd_toggle_vreg(hba->dev, hba->vreg_info.vcc, false); in ufshcd_vreg_set_hpm()
9486 static void ufshcd_hba_vreg_set_lpm(struct ufs_hba *hba) in ufshcd_hba_vreg_set_lpm() argument
9488 if (ufshcd_is_link_off(hba) || ufshcd_can_aggressive_pc(hba)) in ufshcd_hba_vreg_set_lpm()
9489 ufshcd_setup_hba_vreg(hba, false); in ufshcd_hba_vreg_set_lpm()
9492 static void ufshcd_hba_vreg_set_hpm(struct ufs_hba *hba) in ufshcd_hba_vreg_set_hpm() argument
9494 if (ufshcd_is_link_off(hba) || ufshcd_can_aggressive_pc(hba)) in ufshcd_hba_vreg_set_hpm()
9495 ufshcd_setup_hba_vreg(hba, true); in ufshcd_hba_vreg_set_hpm()
9498 static int __ufshcd_wl_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op) in __ufshcd_wl_suspend() argument
9506 hba->pm_op_in_progress = true; in __ufshcd_wl_suspend()
9509 hba->rpm_lvl : hba->spm_lvl; in __ufshcd_wl_suspend()
9521 ufshcd_hold(hba); in __ufshcd_wl_suspend()
9522 hba->clk_gating.is_suspended = true; in __ufshcd_wl_suspend()
9524 if (ufshcd_is_clkscaling_supported(hba)) in __ufshcd_wl_suspend()
9525 ufshcd_clk_scaling_suspend(hba, true); in __ufshcd_wl_suspend()
9532 if ((req_dev_pwr_mode == hba->curr_dev_pwr_mode) && in __ufshcd_wl_suspend()
9533 (req_link_state == hba->uic_link_state)) in __ufshcd_wl_suspend()
9537 if (!ufshcd_is_ufs_dev_active(hba) || !ufshcd_is_link_active(hba)) { in __ufshcd_wl_suspend()
9543 if (ufshcd_can_autobkops_during_suspend(hba)) { in __ufshcd_wl_suspend()
9549 ret = ufshcd_urgent_bkops(hba); in __ufshcd_wl_suspend()
9556 ufshcd_force_error_recovery(hba); in __ufshcd_wl_suspend()
9562 ufshcd_disable_auto_bkops(hba); in __ufshcd_wl_suspend()
9569 hba->dev_info.b_rpm_dev_flush_capable = in __ufshcd_wl_suspend()
9570 hba->auto_bkops_enabled || in __ufshcd_wl_suspend()
9573 ufshcd_is_auto_hibern8_enabled(hba))) && in __ufshcd_wl_suspend()
9574 ufshcd_wb_need_flush(hba)); in __ufshcd_wl_suspend()
9577 flush_work(&hba->eeh_work); in __ufshcd_wl_suspend()
9579 ret = ufshcd_vops_suspend(hba, pm_op, PRE_CHANGE); in __ufshcd_wl_suspend()
9583 if (req_dev_pwr_mode != hba->curr_dev_pwr_mode) { in __ufshcd_wl_suspend()
9586 ufshcd_disable_auto_bkops(hba); in __ufshcd_wl_suspend()
9588 if (!hba->dev_info.b_rpm_dev_flush_capable) { in __ufshcd_wl_suspend()
9589 ret = ufshcd_set_dev_pwr_mode(hba, req_dev_pwr_mode); in __ufshcd_wl_suspend()
9596 ufshcd_force_error_recovery(hba); in __ufshcd_wl_suspend()
9608 check_for_bkops = !ufshcd_is_ufs_dev_deepsleep(hba); in __ufshcd_wl_suspend()
9609 ret = ufshcd_link_state_transition(hba, req_link_state, check_for_bkops); in __ufshcd_wl_suspend()
9616 ufshcd_force_error_recovery(hba); in __ufshcd_wl_suspend()
9628 ret = ufshcd_vops_suspend(hba, pm_op, POST_CHANGE); in __ufshcd_wl_suspend()
9639 if (ufshcd_is_ufs_dev_deepsleep(hba)) { in __ufshcd_wl_suspend()
9640 ufshcd_device_reset(hba); in __ufshcd_wl_suspend()
9641 WARN_ON(!ufshcd_is_link_off(hba)); in __ufshcd_wl_suspend()
9643 if (ufshcd_is_link_hibern8(hba) && !ufshcd_uic_hibern8_exit(hba)) in __ufshcd_wl_suspend()
9644 ufshcd_set_link_active(hba); in __ufshcd_wl_suspend()
9645 else if (ufshcd_is_link_off(hba)) in __ufshcd_wl_suspend()
9646 ufshcd_host_reset_and_restore(hba); in __ufshcd_wl_suspend()
9649 if (ufshcd_is_ufs_dev_deepsleep(hba)) { in __ufshcd_wl_suspend()
9650 ufshcd_device_reset(hba); in __ufshcd_wl_suspend()
9651 ufshcd_host_reset_and_restore(hba); in __ufshcd_wl_suspend()
9653 if (!ufshcd_set_dev_pwr_mode(hba, UFS_ACTIVE_PWR_MODE)) in __ufshcd_wl_suspend()
9654 ufshcd_disable_auto_bkops(hba); in __ufshcd_wl_suspend()
9656 if (ufshcd_is_clkscaling_supported(hba)) in __ufshcd_wl_suspend()
9657 ufshcd_clk_scaling_suspend(hba, false); in __ufshcd_wl_suspend()
9659 hba->dev_info.b_rpm_dev_flush_capable = false; in __ufshcd_wl_suspend()
9661 if (hba->dev_info.b_rpm_dev_flush_capable) { in __ufshcd_wl_suspend()
9662 schedule_delayed_work(&hba->rpm_dev_flush_recheck_work, in __ufshcd_wl_suspend()
9667 ufshcd_update_evt_hist(hba, UFS_EVT_WL_SUSP_ERR, (u32)ret); in __ufshcd_wl_suspend()
9668 hba->clk_gating.is_suspended = false; in __ufshcd_wl_suspend()
9669 ufshcd_release(hba); in __ufshcd_wl_suspend()
9671 hba->pm_op_in_progress = false; in __ufshcd_wl_suspend()
9676 static int __ufshcd_wl_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op) in __ufshcd_wl_resume() argument
9679 enum uic_link_state old_link_state = hba->uic_link_state; in __ufshcd_wl_resume()
9681 hba->pm_op_in_progress = true; in __ufshcd_wl_resume()
9688 ret = ufshcd_vops_resume(hba, pm_op); in __ufshcd_wl_resume()
9693 WARN_ON(ufshcd_is_ufs_dev_deepsleep(hba) && !ufshcd_is_link_off(hba)); in __ufshcd_wl_resume()
9695 if (ufshcd_is_link_hibern8(hba)) { in __ufshcd_wl_resume()
9696 ret = ufshcd_uic_hibern8_exit(hba); in __ufshcd_wl_resume()
9698 ufshcd_set_link_active(hba); in __ufshcd_wl_resume()
9700 dev_err(hba->dev, "%s: hibern8 exit failed %d\n", in __ufshcd_wl_resume()
9704 } else if (ufshcd_is_link_off(hba)) { in __ufshcd_wl_resume()
9711 ret = ufshcd_reset_and_restore(hba); in __ufshcd_wl_resume()
9716 if (ret || !ufshcd_is_link_active(hba)) in __ufshcd_wl_resume()
9720 if (!ufshcd_is_ufs_dev_active(hba)) { in __ufshcd_wl_resume()
9721 ret = ufshcd_set_dev_pwr_mode(hba, UFS_ACTIVE_PWR_MODE); in __ufshcd_wl_resume()
9724 ufshcd_set_timestamp_attr(hba); in __ufshcd_wl_resume()
9727 if (ufshcd_keep_autobkops_enabled_except_suspend(hba)) in __ufshcd_wl_resume()
9728 ufshcd_enable_auto_bkops(hba); in __ufshcd_wl_resume()
9734 ufshcd_urgent_bkops(hba); in __ufshcd_wl_resume()
9736 if (hba->ee_usr_mask) in __ufshcd_wl_resume()
9737 ufshcd_write_ee_control(hba); in __ufshcd_wl_resume()
9739 if (ufshcd_is_clkscaling_supported(hba)) in __ufshcd_wl_resume()
9740 ufshcd_clk_scaling_suspend(hba, false); in __ufshcd_wl_resume()
9742 if (hba->dev_info.b_rpm_dev_flush_capable) { in __ufshcd_wl_resume()
9743 hba->dev_info.b_rpm_dev_flush_capable = false; in __ufshcd_wl_resume()
9744 cancel_delayed_work(&hba->rpm_dev_flush_recheck_work); in __ufshcd_wl_resume()
9748 ufshcd_auto_hibern8_enable(hba); in __ufshcd_wl_resume()
9753 ufshcd_link_state_transition(hba, old_link_state, 0); in __ufshcd_wl_resume()
9755 ufshcd_vops_suspend(hba, pm_op, PRE_CHANGE); in __ufshcd_wl_resume()
9756 ufshcd_vops_suspend(hba, pm_op, POST_CHANGE); in __ufshcd_wl_resume()
9759 ufshcd_update_evt_hist(hba, UFS_EVT_WL_RES_ERR, (u32)ret); in __ufshcd_wl_resume()
9760 hba->clk_gating.is_suspended = false; in __ufshcd_wl_resume()
9761 ufshcd_release(hba); in __ufshcd_wl_resume()
9762 hba->pm_op_in_progress = false; in __ufshcd_wl_resume()
9769 struct ufs_hba *hba; in ufshcd_wl_runtime_suspend() local
9773 hba = shost_priv(sdev->host); in ufshcd_wl_runtime_suspend()
9775 ret = __ufshcd_wl_suspend(hba, UFS_RUNTIME_PM); in ufshcd_wl_runtime_suspend()
9781 hba->curr_dev_pwr_mode, hba->uic_link_state); in ufshcd_wl_runtime_suspend()
9789 struct ufs_hba *hba; in ufshcd_wl_runtime_resume() local
9793 hba = shost_priv(sdev->host); in ufshcd_wl_runtime_resume()
9795 ret = __ufshcd_wl_resume(hba, UFS_RUNTIME_PM); in ufshcd_wl_runtime_resume()
9801 hba->curr_dev_pwr_mode, hba->uic_link_state); in ufshcd_wl_runtime_resume()
9811 struct ufs_hba *hba; in ufshcd_wl_suspend() local
9815 hba = shost_priv(sdev->host); in ufshcd_wl_suspend()
9816 down(&hba->host_sem); in ufshcd_wl_suspend()
9817 hba->system_suspending = true; in ufshcd_wl_suspend()
9822 ret = __ufshcd_wl_suspend(hba, UFS_SYSTEM_PM); in ufshcd_wl_suspend()
9825 up(&hba->host_sem); in ufshcd_wl_suspend()
9830 hba->is_sys_suspended = true; in ufshcd_wl_suspend()
9833 hba->curr_dev_pwr_mode, hba->uic_link_state); in ufshcd_wl_suspend()
9841 struct ufs_hba *hba; in ufshcd_wl_resume() local
9845 hba = shost_priv(sdev->host); in ufshcd_wl_resume()
9850 ret = __ufshcd_wl_resume(hba, UFS_SYSTEM_PM); in ufshcd_wl_resume()
9856 hba->curr_dev_pwr_mode, hba->uic_link_state); in ufshcd_wl_resume()
9858 hba->is_sys_suspended = false; in ufshcd_wl_resume()
9859 hba->system_suspending = false; in ufshcd_wl_resume()
9860 up(&hba->host_sem); in ufshcd_wl_resume()
9867 * @hba: per adapter instance
9870 * and set vreg and hba-vreg in lpm mode.
9874 static int ufshcd_suspend(struct ufs_hba *hba) in ufshcd_suspend() argument
9878 if (!hba->is_powered) in ufshcd_suspend()
9884 ufshcd_disable_irq(hba); in ufshcd_suspend()
9885 ret = ufshcd_setup_clocks(hba, false); in ufshcd_suspend()
9887 ufshcd_enable_irq(hba); in ufshcd_suspend()
9890 if (ufshcd_is_clkgating_allowed(hba)) { in ufshcd_suspend()
9891 hba->clk_gating.state = CLKS_OFF; in ufshcd_suspend()
9892 trace_ufshcd_clk_gating(dev_name(hba->dev), in ufshcd_suspend()
9893 hba->clk_gating.state); in ufshcd_suspend()
9896 ufshcd_vreg_set_lpm(hba); in ufshcd_suspend()
9898 ufshcd_hba_vreg_set_lpm(hba); in ufshcd_suspend()
9905 * @hba: per adapter instance
9908 * irqs of the hba.
9912 static int ufshcd_resume(struct ufs_hba *hba) in ufshcd_resume() argument
9916 if (!hba->is_powered) in ufshcd_resume()
9919 ufshcd_hba_vreg_set_hpm(hba); in ufshcd_resume()
9920 ret = ufshcd_vreg_set_hpm(hba); in ufshcd_resume()
9925 ret = ufshcd_setup_clocks(hba, true); in ufshcd_resume()
9930 ufshcd_enable_irq(hba); in ufshcd_resume()
9935 ufshcd_vreg_set_lpm(hba); in ufshcd_resume()
9938 ufshcd_update_evt_hist(hba, UFS_EVT_RESUME_ERR, (u32)ret); in ufshcd_resume()
9955 struct ufs_hba *hba = dev_get_drvdata(dev); in ufshcd_system_suspend() local
9959 if (pm_runtime_suspended(hba->dev)) in ufshcd_system_suspend()
9962 ret = ufshcd_suspend(hba); in ufshcd_system_suspend()
9964 trace_ufshcd_system_suspend(dev_name(hba->dev), ret, in ufshcd_system_suspend()
9966 hba->curr_dev_pwr_mode, hba->uic_link_state); in ufshcd_system_suspend()
9982 struct ufs_hba *hba = dev_get_drvdata(dev); in ufshcd_system_resume() local
9986 if (pm_runtime_suspended(hba->dev)) in ufshcd_system_resume()
9989 ret = ufshcd_resume(hba); in ufshcd_system_resume()
9992 trace_ufshcd_system_resume(dev_name(hba->dev), ret, in ufshcd_system_resume()
9994 hba->curr_dev_pwr_mode, hba->uic_link_state); in ufshcd_system_resume()
10012 struct ufs_hba *hba = dev_get_drvdata(dev); in ufshcd_runtime_suspend() local
10016 ret = ufshcd_suspend(hba); in ufshcd_runtime_suspend()
10018 trace_ufshcd_runtime_suspend(dev_name(hba->dev), ret, in ufshcd_runtime_suspend()
10020 hba->curr_dev_pwr_mode, hba->uic_link_state); in ufshcd_runtime_suspend()
10039 struct ufs_hba *hba = dev_get_drvdata(dev); in ufshcd_runtime_resume() local
10043 ret = ufshcd_resume(hba); in ufshcd_runtime_resume()
10045 trace_ufshcd_runtime_resume(dev_name(hba->dev), ret, in ufshcd_runtime_resume()
10047 hba->curr_dev_pwr_mode, hba->uic_link_state); in ufshcd_runtime_resume()
10056 struct ufs_hba *hba = shost_priv(sdev->host); in ufshcd_wl_shutdown() local
10058 down(&hba->host_sem); in ufshcd_wl_shutdown()
10059 hba->shutting_down = true; in ufshcd_wl_shutdown()
10060 up(&hba->host_sem); in ufshcd_wl_shutdown()
10063 ufshcd_rpm_get_sync(hba); in ufshcd_wl_shutdown()
10065 shost_for_each_device(sdev, hba->host) { in ufshcd_wl_shutdown()
10066 if (sdev == hba->ufs_device_wlun) in ufshcd_wl_shutdown()
10070 __ufshcd_wl_suspend(hba, UFS_SHUTDOWN_PM); in ufshcd_wl_shutdown()
10076 if (ufshcd_is_ufs_dev_poweroff(hba) && ufshcd_is_link_off(hba)) in ufshcd_wl_shutdown()
10077 ufshcd_suspend(hba); in ufshcd_wl_shutdown()
10079 hba->is_powered = false; in ufshcd_wl_shutdown()
10085 * @hba: per adapter instance
10087 void ufshcd_remove(struct ufs_hba *hba) in ufshcd_remove() argument
10089 if (hba->ufs_device_wlun) in ufshcd_remove()
10090 ufshcd_rpm_get_sync(hba); in ufshcd_remove()
10091 ufs_hwmon_remove(hba); in ufshcd_remove()
10092 ufs_bsg_remove(hba); in ufshcd_remove()
10093 ufs_sysfs_remove_nodes(hba->dev); in ufshcd_remove()
10094 blk_mq_destroy_queue(hba->tmf_queue); in ufshcd_remove()
10095 blk_put_queue(hba->tmf_queue); in ufshcd_remove()
10096 blk_mq_free_tag_set(&hba->tmf_tag_set); in ufshcd_remove()
10097 scsi_remove_host(hba->host); in ufshcd_remove()
10099 ufshcd_disable_intr(hba, hba->intr_mask); in ufshcd_remove()
10100 ufshcd_hba_stop(hba); in ufshcd_remove()
10101 ufshcd_hba_exit(hba); in ufshcd_remove()
10117 struct ufs_hba *hba = dev_get_drvdata(dev); in ufshcd_system_restore() local
10125 ufshcd_writel(hba, lower_32_bits(hba->utrdl_dma_addr), in ufshcd_system_restore()
10127 ufshcd_writel(hba, upper_32_bits(hba->utrdl_dma_addr), in ufshcd_system_restore()
10129 ufshcd_writel(hba, lower_32_bits(hba->utmrdl_dma_addr), in ufshcd_system_restore()
10131 ufshcd_writel(hba, upper_32_bits(hba->utmrdl_dma_addr), in ufshcd_system_restore()
10141 ufshcd_set_link_off(hba); in ufshcd_system_restore()
10156 * ufshcd_dealloc_host - deallocate Host Bus Adapter (HBA)
10157 * @hba: pointer to Host Bus Adapter (HBA)
10159 void ufshcd_dealloc_host(struct ufs_hba *hba) in ufshcd_dealloc_host() argument
10161 scsi_host_put(hba->host); in ufshcd_dealloc_host()
10168 * @hba: per adapter instance
10172 static int ufshcd_set_dma_mask(struct ufs_hba *hba) in ufshcd_set_dma_mask() argument
10174 if (hba->capabilities & MASK_64_ADDRESSING_SUPPORT) { in ufshcd_set_dma_mask()
10175 if (!dma_set_mask_and_coherent(hba->dev, DMA_BIT_MASK(64))) in ufshcd_set_dma_mask()
10178 return dma_set_mask_and_coherent(hba->dev, DMA_BIT_MASK(32)); in ufshcd_set_dma_mask()
10182 * ufshcd_alloc_host - allocate Host Bus Adapter (HBA)
10191 struct ufs_hba *hba; in ufshcd_alloc_host() local
10209 hba = shost_priv(host); in ufshcd_alloc_host()
10210 hba->host = host; in ufshcd_alloc_host()
10211 hba->dev = dev; in ufshcd_alloc_host()
10212 hba->dev_ref_clk_freq = REF_CLK_FREQ_INVAL; in ufshcd_alloc_host()
10213 hba->nop_out_timeout = NOP_OUT_TIMEOUT; in ufshcd_alloc_host()
10214 ufshcd_set_sg_entry_size(hba, sizeof(struct ufshcd_sg_entry)); in ufshcd_alloc_host()
10215 INIT_LIST_HEAD(&hba->clk_list_head); in ufshcd_alloc_host()
10216 spin_lock_init(&hba->outstanding_lock); in ufshcd_alloc_host()
10218 *hba_handle = hba; in ufshcd_alloc_host()
10239 * @hba: per-adapter instance
10245 int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq) in ufshcd_init() argument
10248 struct Scsi_Host *host = hba->host; in ufshcd_init()
10249 struct device *dev = hba->dev; in ufshcd_init()
10257 dev_set_drvdata(dev, hba); in ufshcd_init()
10260 dev_err(hba->dev, in ufshcd_init()
10266 hba->mmio_base = mmio_base; in ufshcd_init()
10267 hba->irq = irq; in ufshcd_init()
10268 hba->vps = &ufs_hba_vps; in ufshcd_init()
10270 err = ufshcd_hba_init(hba); in ufshcd_init()
10275 err = ufshcd_hba_capabilities(hba); in ufshcd_init()
10280 hba->ufs_version = ufshcd_get_ufs_version(hba); in ufshcd_init()
10283 hba->intr_mask = ufshcd_get_intr_mask(hba); in ufshcd_init()
10285 err = ufshcd_set_dma_mask(hba); in ufshcd_init()
10287 dev_err(hba->dev, "set dma mask failed\n"); in ufshcd_init()
10292 err = ufshcd_memory_alloc(hba); in ufshcd_init()
10294 dev_err(hba->dev, "Memory allocation failed\n"); in ufshcd_init()
10299 ufshcd_host_memory_configure(hba); in ufshcd_init()
10301 host->can_queue = hba->nutrs - UFSHCD_NUM_RESERVED; in ufshcd_init()
10302 host->cmd_per_lun = hba->nutrs - UFSHCD_NUM_RESERVED; in ufshcd_init()
10308 host->queuecommand_may_block = !!(hba->caps & UFSHCD_CAP_CLK_GATING); in ufshcd_init()
10310 hba->max_pwr_info.is_valid = false; in ufshcd_init()
10314 hba->host->host_no); in ufshcd_init()
10315 hba->eh_wq = create_singlethread_workqueue(eh_wq_name); in ufshcd_init()
10316 if (!hba->eh_wq) { in ufshcd_init()
10317 dev_err(hba->dev, "%s: failed to create eh workqueue\n", in ufshcd_init()
10322 INIT_WORK(&hba->eh_work, ufshcd_err_handler); in ufshcd_init()
10323 INIT_WORK(&hba->eeh_work, ufshcd_exception_event_handler); in ufshcd_init()
10325 sema_init(&hba->host_sem, 1); in ufshcd_init()
10328 mutex_init(&hba->uic_cmd_mutex); in ufshcd_init()
10331 mutex_init(&hba->dev_cmd.lock); in ufshcd_init()
10334 mutex_init(&hba->ee_ctrl_mutex); in ufshcd_init()
10336 mutex_init(&hba->wb_mutex); in ufshcd_init()
10337 init_rwsem(&hba->clk_scaling_lock); in ufshcd_init()
10339 ufshcd_init_clk_gating(hba); in ufshcd_init()
10341 ufshcd_init_clk_scaling(hba); in ufshcd_init()
10348 ufshcd_writel(hba, ufshcd_readl(hba, REG_INTERRUPT_STATUS), in ufshcd_init()
10350 ufshcd_writel(hba, 0, REG_INTERRUPT_ENABLE); in ufshcd_init()
10358 err = devm_request_irq(dev, irq, ufshcd_intr, IRQF_SHARED, UFSHCD, hba); in ufshcd_init()
10360 dev_err(hba->dev, "request irq failed\n"); in ufshcd_init()
10363 hba->is_irq_enabled = true; in ufshcd_init()
10366 if (!is_mcq_supported(hba)) { in ufshcd_init()
10367 err = scsi_add_host(host, hba->dev); in ufshcd_init()
10369 dev_err(hba->dev, "scsi_add_host failed\n"); in ufshcd_init()
10374 hba->tmf_tag_set = (struct blk_mq_tag_set) { in ufshcd_init()
10376 .queue_depth = hba->nutmrs, in ufshcd_init()
10380 err = blk_mq_alloc_tag_set(&hba->tmf_tag_set); in ufshcd_init()
10383 hba->tmf_queue = blk_mq_init_queue(&hba->tmf_tag_set); in ufshcd_init()
10384 if (IS_ERR(hba->tmf_queue)) { in ufshcd_init()
10385 err = PTR_ERR(hba->tmf_queue); in ufshcd_init()
10388 hba->tmf_rqs = devm_kcalloc(hba->dev, hba->nutmrs, in ufshcd_init()
10389 sizeof(*hba->tmf_rqs), GFP_KERNEL); in ufshcd_init()
10390 if (!hba->tmf_rqs) { in ufshcd_init()
10396 ufshcd_device_reset(hba); in ufshcd_init()
10398 ufshcd_init_crypto(hba); in ufshcd_init()
10401 err = ufshcd_hba_enable(hba); in ufshcd_init()
10403 dev_err(hba->dev, "Host controller enable failed\n"); in ufshcd_init()
10404 ufshcd_print_evt_hist(hba); in ufshcd_init()
10405 ufshcd_print_host_state(hba); in ufshcd_init()
10414 hba->rpm_lvl = ufs_get_desired_pm_lvl_for_dev_link_state( in ufshcd_init()
10417 hba->spm_lvl = ufs_get_desired_pm_lvl_for_dev_link_state( in ufshcd_init()
10421 INIT_DELAYED_WORK(&hba->rpm_dev_flush_recheck_work, in ufshcd_init()
10425 if (ufshcd_is_auto_hibern8_supported(hba) && !hba->ahit) { in ufshcd_init()
10426 hba->ahit = FIELD_PREP(UFSHCI_AHIBERN8_TIMER_MASK, 150) | in ufshcd_init()
10432 atomic_set(&hba->scsi_block_reqs_cnt, 0); in ufshcd_init()
10439 ufshcd_set_ufs_dev_active(hba); in ufshcd_init()
10441 async_schedule(ufshcd_async_scan, hba); in ufshcd_init()
10442 ufs_sysfs_add_nodes(hba->dev); in ufshcd_init()
10448 blk_mq_destroy_queue(hba->tmf_queue); in ufshcd_init()
10449 blk_put_queue(hba->tmf_queue); in ufshcd_init()
10451 blk_mq_free_tag_set(&hba->tmf_tag_set); in ufshcd_init()
10453 scsi_remove_host(hba->host); in ufshcd_init()
10455 hba->is_irq_enabled = false; in ufshcd_init()
10456 ufshcd_hba_exit(hba); in ufshcd_init()
10464 struct ufs_hba *hba = dev_get_drvdata(dev); in ufshcd_resume_complete() local
10466 if (hba->complete_put) { in ufshcd_resume_complete()
10467 ufshcd_rpm_put(hba); in ufshcd_resume_complete()
10468 hba->complete_put = false; in ufshcd_resume_complete()
10473 static bool ufshcd_rpm_ok_for_spm(struct ufs_hba *hba) in ufshcd_rpm_ok_for_spm() argument
10475 struct device *dev = &hba->ufs_device_wlun->sdev_gendev; in ufshcd_rpm_ok_for_spm()
10482 dev_pwr_mode = ufs_get_pm_lvl_to_dev_pwr_mode(hba->spm_lvl); in ufshcd_rpm_ok_for_spm()
10483 link_state = ufs_get_pm_lvl_to_link_pwr_state(hba->spm_lvl); in ufshcd_rpm_ok_for_spm()
10485 hba->curr_dev_pwr_mode == dev_pwr_mode && in ufshcd_rpm_ok_for_spm()
10486 hba->uic_link_state == link_state && in ufshcd_rpm_ok_for_spm()
10487 !hba->dev_info.b_rpm_dev_flush_capable; in ufshcd_rpm_ok_for_spm()
10495 struct ufs_hba *hba = dev_get_drvdata(dev); in __ufshcd_suspend_prepare() local
10504 if (hba->ufs_device_wlun) { in __ufshcd_suspend_prepare()
10506 ufshcd_rpm_get_noresume(hba); in __ufshcd_suspend_prepare()
10511 if (!rpm_ok_for_spm || !ufshcd_rpm_ok_for_spm(hba)) { in __ufshcd_suspend_prepare()
10513 ret = ufshcd_rpm_resume(hba); in __ufshcd_suspend_prepare()
10515 ufshcd_rpm_put(hba); in __ufshcd_suspend_prepare()
10519 hba->complete_put = true; in __ufshcd_suspend_prepare()
10535 struct ufs_hba *hba = shost_priv(sdev->host); in ufshcd_wl_poweroff() local
10537 __ufshcd_wl_suspend(hba, UFS_SHUTDOWN_PM); in ufshcd_wl_poweroff()