23 	struct ufs_hba *hba = s->private;  in ufs_debugfs_stats_show()  local
24 	struct ufs_event_hist *e = hba->ufs_stats.event;  in ufs_debugfs_stats_show()
49 	struct ufs_hba *hba = data;  in ee_usr_mask_get()  local
51 	*val = hba->ee_usr_mask;  in ee_usr_mask_get()
55 static int ufs_debugfs_get_user_access(struct ufs_hba *hba)  in ufs_debugfs_get_user_access()  argument
56 __acquires(&hba->host_sem)  in ufs_debugfs_get_user_access()
58 	down(&hba->host_sem);  in ufs_debugfs_get_user_access()
59 	if (!ufshcd_is_user_access_allowed(hba)) {  in ufs_debugfs_get_user_access()
60 		up(&hba->host_sem);  in ufs_debugfs_get_user_access()
63 	ufshcd_rpm_get_sync(hba);  in ufs_debugfs_get_user_access()
67 static void ufs_debugfs_put_user_access(struct ufs_hba *hba)  in ufs_debugfs_put_user_access()  argument
68 __releases(&hba->host_sem)  in ufs_debugfs_put_user_access()
70 	ufshcd_rpm_put_sync(hba);  in ufs_debugfs_put_user_access()
71 	up(&hba->host_sem);  in ufs_debugfs_put_user_access()
76 	struct ufs_hba *hba = data;  in ee_usr_mask_set()  local
81 	err = ufs_debugfs_get_user_access(hba);  in ee_usr_mask_set()
84 	err = ufshcd_update_ee_usr_mask(hba, val, MASK_EE_STATUS);  in ee_usr_mask_set()
85 	ufs_debugfs_put_user_access(hba);  in ee_usr_mask_set()
91 void ufs_debugfs_exception_event(struct ufs_hba *hba, u16 status)  in ufs_debugfs_exception_event()  argument
97 	if (!hba->debugfs_ee_rate_limit_ms || !status)  in ufs_debugfs_exception_event()
100 	mutex_lock(&hba->ee_ctrl_mutex);  in ufs_debugfs_exception_event()
101 	ee_ctrl_mask = hba->ee_drv_mask | (hba->ee_usr_mask & ~status);  in ufs_debugfs_exception_event()
102 	chgd = ee_ctrl_mask != hba->ee_ctrl_mask;  in ufs_debugfs_exception_event()
104 		err = __ufshcd_write_ee_control(hba, ee_ctrl_mask);  in ufs_debugfs_exception_event()
106 			dev_err(hba->dev, "%s: failed to write ee control %d\n",  in ufs_debugfs_exception_event()
109 	mutex_unlock(&hba->ee_ctrl_mutex);  in ufs_debugfs_exception_event()
112 		unsigned long delay = msecs_to_jiffies(hba->debugfs_ee_rate_limit_ms);  in ufs_debugfs_exception_event()
114 		queue_delayed_work(system_freezable_wq, &hba->debugfs_ee_work, delay);  in ufs_debugfs_exception_event()
120 	struct ufs_hba *hba = container_of(work, struct ufs_hba, debugfs_ee_work.work);  in ufs_debugfs_restart_ee()  local
122 	if (!hba->ee_usr_mask || pm_runtime_suspended(hba->dev) ||  in ufs_debugfs_restart_ee()
123 	    ufs_debugfs_get_user_access(hba))  in ufs_debugfs_restart_ee()
125 	ufshcd_write_ee_control(hba);  in ufs_debugfs_restart_ee()
126 	ufs_debugfs_put_user_access(hba);  in ufs_debugfs_restart_ee()
129 void ufs_debugfs_hba_init(struct ufs_hba *hba)  in ufs_debugfs_hba_init()  argument
132 	hba->debugfs_ee_rate_limit_ms = 20;  in ufs_debugfs_hba_init()
133 	INIT_DELAYED_WORK(&hba->debugfs_ee_work, ufs_debugfs_restart_ee);  in ufs_debugfs_hba_init()
134 	hba->debugfs_root = debugfs_create_dir(dev_name(hba->dev), ufs_debugfs_root);  in ufs_debugfs_hba_init()
135 	debugfs_create_file("stats", 0400, hba->debugfs_root, hba, &ufs_debugfs_stats_fops);  in ufs_debugfs_hba_init()
136 	debugfs_create_file("exception_event_mask", 0600, hba->debugfs_root,  in ufs_debugfs_hba_init()
137 			    hba, &ee_usr_mask_fops);  in ufs_debugfs_hba_init()
138 	debugfs_create_u32("exception_event_rate_limit_ms", 0600, hba->debugfs_root,  in ufs_debugfs_hba_init()
139 			   &hba->debugfs_ee_rate_limit_ms);  in ufs_debugfs_hba_init()
142 void ufs_debugfs_hba_exit(struct ufs_hba *hba)  in ufs_debugfs_hba_exit()  argument
144 	debugfs_remove_recursive(hba->debugfs_root);  in ufs_debugfs_hba_exit()
145 	cancel_delayed_work_sync(&hba->debugfs_ee_work);  in ufs_debugfs_hba_exit()