272  * @ni: A reference to the initialized instance descriptor
299 	struct scmi_notify_instance	*ni;  member
371 scmi_get_active_handler(struct scmi_notify_instance *ni, u32 evt_key);
372 static void scmi_put_active_handler(struct scmi_notify_instance *ni,
374 static bool scmi_put_handler_unlocked(struct scmi_notify_instance *ni,
379  * @ni: A reference to the notification instance to use
385 scmi_lookup_and_call_event_chain(struct scmi_notify_instance *ni,  in scmi_lookup_and_call_event_chain()  argument
397 	hndl = scmi_get_active_handler(ni, evt_key);  in scmi_lookup_and_call_event_chain()
407 	scmi_put_active_handler(ni, hndl);  in scmi_lookup_and_call_event_chain()
436 		dev_err(pd->ni->handle->dev, "corrupted EVT header. Flush.\n");  in scmi_process_event_header()
478 		dev_err(pd->ni->handle->dev, "corrupted EVT Payload. Flush.\n");  in scmi_process_event_payload()
484 		dev_warn(pd->ni->handle->dev,  in scmi_process_event_payload()
494 		dev_err(pd->ni->handle->dev,  in scmi_process_event_payload()
502 	scmi_lookup_and_call_event_chain(pd->ni, key, report);  in scmi_process_event_payload()
506 	scmi_lookup_and_call_event_chain(pd->ni, key, report);  in scmi_process_event_payload()
583 	struct scmi_notify_instance *ni;  in scmi_notify()  local
585 	ni = scmi_notification_instance_data_get(handle);  in scmi_notify()
586 	if (!ni)  in scmi_notify()
589 	r_evt = SCMI_GET_REVT(ni, proto_id, evt_id);  in scmi_notify()
643  * @ni: A reference to the notification instance to use
651 static int scmi_initialize_events_queue(struct scmi_notify_instance *ni,  in scmi_initialize_events_queue()  argument
661 	ret = devm_add_action_or_reset(ni->handle->dev, scmi_kfifo_free,  in scmi_initialize_events_queue()
667 	equeue->wq = ni->notify_wq;  in scmi_initialize_events_queue()
675  * @ni: A reference to the &struct scmi_notify_instance notification instance
691 scmi_allocate_registered_events_desc(struct scmi_notify_instance *ni,  in scmi_allocate_registered_events_desc()  argument
701 	if (WARN_ON(ni->registered_protocols[proto_id]))  in scmi_allocate_registered_events_desc()
704 	pd = devm_kzalloc(ni->handle->dev, sizeof(*pd), GFP_KERNEL);  in scmi_allocate_registered_events_desc()
709 	pd->ni = ni;  in scmi_allocate_registered_events_desc()
711 	ret = scmi_initialize_events_queue(ni, &pd->equeue, queue_sz);  in scmi_allocate_registered_events_desc()
715 	pd->eh = devm_kzalloc(ni->handle->dev, eh_sz, GFP_KERNEL);  in scmi_allocate_registered_events_desc()
720 	pd->registered_events = devm_kcalloc(ni->handle->dev, num_events,  in scmi_allocate_registered_events_desc()
756 	struct scmi_notify_instance *ni;  in scmi_register_protocol_events()  local
763 	ni = scmi_notification_instance_data_get(handle);  in scmi_register_protocol_events()
764 	if (!ni)  in scmi_register_protocol_events()
783 	pd = scmi_allocate_registered_events_desc(ni, proto_id, ee->queue_sz,  in scmi_register_protocol_events()
793 		r_evt = devm_kzalloc(ni->handle->dev, sizeof(*r_evt),  in scmi_register_protocol_events()
800 		r_evt->sources = devm_kcalloc(ni->handle->dev, num_sources,  in scmi_register_protocol_events()
807 		r_evt->report = devm_kzalloc(ni->handle->dev,  in scmi_register_protocol_events()
820 	ni->registered_protocols[proto_id] = pd;  in scmi_register_protocol_events()
828 	schedule_work(&ni->init_work);  in scmi_register_protocol_events()
842 	struct scmi_notify_instance *ni;  in scmi_deregister_protocol_events()  local
845 	ni = scmi_notification_instance_data_get(handle);  in scmi_deregister_protocol_events()
846 	if (!ni)  in scmi_deregister_protocol_events()
849 	pd = ni->registered_protocols[proto_id];  in scmi_deregister_protocol_events()
853 	ni->registered_protocols[proto_id] = NULL;  in scmi_deregister_protocol_events()
862  * @ni: A reference to the notification instance to use
876 scmi_allocate_event_handler(struct scmi_notify_instance *ni, u32 evt_key)  in scmi_allocate_event_handler()  argument
887 	hash_add(ni->pending_events_handlers, &hndl->hash, hndl->key);  in scmi_allocate_event_handler()
907  * @ni: A reference to the notification instance to use
917 static inline int scmi_bind_event_handler(struct scmi_notify_instance *ni,  in scmi_bind_event_handler()  argument
922 	r_evt = SCMI_GET_REVT(ni, KEY_XTRACT_PROTO_ID(hndl->key),  in scmi_bind_event_handler()
939 	scmi_protocol_acquire(ni->handle, KEY_XTRACT_PROTO_ID(hndl->key));  in scmi_bind_event_handler()
952  * @ni: A reference to the notification instance to use
964 static inline int scmi_valid_pending_handler(struct scmi_notify_instance *ni,  in scmi_valid_pending_handler()  argument
972 	pd = SCMI_GET_PROTO(ni, KEY_XTRACT_PROTO_ID(hndl->key));  in scmi_valid_pending_handler()
981  * @ni: A reference to the notification instance to use
996 static int scmi_register_event_handler(struct scmi_notify_instance *ni,  in scmi_register_event_handler()  argument
1001 	ret = scmi_bind_event_handler(ni, hndl);  in scmi_register_event_handler()
1003 		dev_dbg(ni->handle->dev, "registered NEW handler - key:%X\n",  in scmi_register_event_handler()
1006 		ret = scmi_valid_pending_handler(ni, hndl);  in scmi_register_event_handler()
1008 			dev_dbg(ni->handle->dev,  in scmi_register_event_handler()
1018  * @ni: A reference to the notification instance to use
1047 __scmi_event_handler_get_ops(struct scmi_notify_instance *ni,  in __scmi_event_handler_get_ops()  argument
1053 	r_evt = SCMI_GET_REVT(ni, KEY_XTRACT_PROTO_ID(evt_key),  in __scmi_event_handler_get_ops()
1056 	mutex_lock(&ni->pending_mtx);  in __scmi_event_handler_get_ops()
1069 		hndl = KEY_FIND(ni->pending_events_handlers, hndl, evt_key);  in __scmi_event_handler_get_ops()
1076 		hndl = scmi_allocate_event_handler(ni, evt_key);  in __scmi_event_handler_get_ops()
1077 		if (hndl && scmi_register_event_handler(ni, hndl)) {  in __scmi_event_handler_get_ops()
1078 			dev_dbg(ni->handle->dev,  in __scmi_event_handler_get_ops()
1082 			scmi_put_handler_unlocked(ni, hndl);  in __scmi_event_handler_get_ops()
1086 	mutex_unlock(&ni->pending_mtx);  in __scmi_event_handler_get_ops()
1092 scmi_get_handler(struct scmi_notify_instance *ni, u32 evt_key)  in scmi_get_handler()  argument
1094 	return __scmi_event_handler_get_ops(ni, evt_key, false);  in scmi_get_handler()
1098 scmi_get_or_create_handler(struct scmi_notify_instance *ni, u32 evt_key)  in scmi_get_or_create_handler()  argument
1100 	return __scmi_event_handler_get_ops(ni, evt_key, true);  in scmi_get_or_create_handler()
1105  * @ni: A reference to the notification instance to use
1115 scmi_get_active_handler(struct scmi_notify_instance *ni, u32 evt_key)  in scmi_get_active_handler()  argument
1120 	r_evt = SCMI_GET_REVT(ni, KEY_XTRACT_PROTO_ID(evt_key),  in scmi_get_active_handler()
1223  * @ni: A reference to the notification instance to use
1235 static bool scmi_put_handler_unlocked(struct scmi_notify_instance *ni,  in scmi_put_handler_unlocked()  argument
1250 static void scmi_put_handler(struct scmi_notify_instance *ni,  in scmi_put_handler()  argument
1257 	mutex_lock(&ni->pending_mtx);  in scmi_put_handler()
1263 	freed = scmi_put_handler_unlocked(ni, hndl);  in scmi_put_handler()
1274 			scmi_protocol_release(ni->handle, protocol_id);  in scmi_put_handler()
1276 	mutex_unlock(&ni->pending_mtx);  in scmi_put_handler()
1279 static void scmi_put_active_handler(struct scmi_notify_instance *ni,  in scmi_put_active_handler()  argument
1287 	freed = scmi_put_handler_unlocked(ni, hndl);  in scmi_put_active_handler()
1290 		scmi_protocol_release(ni->handle, protocol_id);  in scmi_put_active_handler()
1349 	struct scmi_notify_instance *ni;  in scmi_notifier_register()  local
1351 	ni = scmi_notification_instance_data_get(handle);  in scmi_notifier_register()
1352 	if (!ni)  in scmi_notifier_register()
1357 	hndl = scmi_get_or_create_handler(ni, evt_key);  in scmi_notifier_register()
1367 			scmi_put_handler(ni, hndl);  in scmi_notifier_register()
1395 	struct scmi_notify_instance *ni;  in scmi_notifier_unregister()  local
1397 	ni = scmi_notification_instance_data_get(handle);  in scmi_notifier_unregister()
1398 	if (!ni)  in scmi_notifier_unregister()
1403 	hndl = scmi_get_handler(ni, evt_key);  in scmi_notifier_unregister()
1412 	scmi_put_handler(ni, hndl);  in scmi_notifier_unregister()
1425 	scmi_put_handler(ni, hndl);  in scmi_notifier_unregister()
1571 	struct scmi_notify_instance *ni;  in scmi_protocols_late_init()  local
1574 	ni = container_of(work, struct scmi_notify_instance, init_work);  in scmi_protocols_late_init()
1579 	mutex_lock(&ni->pending_mtx);  in scmi_protocols_late_init()
1580 	hash_for_each_safe(ni->pending_events_handlers, bkt, tmp, hndl, hash) {  in scmi_protocols_late_init()
1583 		ret = scmi_bind_event_handler(ni, hndl);  in scmi_protocols_late_init()
1585 			dev_dbg(ni->handle->dev,  in scmi_protocols_late_init()
1590 				dev_dbg(ni->handle->dev,  in scmi_protocols_late_init()
1593 				scmi_put_active_handler(ni, hndl);  in scmi_protocols_late_init()
1596 			ret = scmi_valid_pending_handler(ni, hndl);  in scmi_protocols_late_init()
1598 				dev_dbg(ni->handle->dev,  in scmi_protocols_late_init()
1602 				scmi_put_handler_unlocked(ni, hndl);  in scmi_protocols_late_init()
1606 	mutex_unlock(&ni->pending_mtx);  in scmi_protocols_late_init()
1649 	struct scmi_notify_instance *ni;  in scmi_notification_init()  local
1655 	ni = devm_kzalloc(handle->dev, sizeof(*ni), GFP_KERNEL);  in scmi_notification_init()
1656 	if (!ni)  in scmi_notification_init()
1659 	ni->gid = gid;  in scmi_notification_init()
1660 	ni->handle = handle;  in scmi_notification_init()
1662 	ni->registered_protocols = devm_kcalloc(handle->dev, SCMI_MAX_PROTO,  in scmi_notification_init()
1664 	if (!ni->registered_protocols)  in scmi_notification_init()
1667 	ni->notify_wq = alloc_workqueue(dev_name(handle->dev),  in scmi_notification_init()
1670 	if (!ni->notify_wq)  in scmi_notification_init()
1673 	mutex_init(&ni->pending_mtx);  in scmi_notification_init()
1674 	hash_init(ni->pending_events_handlers);  in scmi_notification_init()
1676 	INIT_WORK(&ni->init_work, scmi_protocols_late_init);  in scmi_notification_init()
1678 	scmi_notification_instance_data_set(handle, ni);  in scmi_notification_init()
1685 	devres_close_group(handle->dev, ni->gid);  in scmi_notification_init()
1701 	struct scmi_notify_instance *ni;  in scmi_notification_exit()  local
1703 	ni = scmi_notification_instance_data_get(handle);  in scmi_notification_exit()
1704 	if (!ni)  in scmi_notification_exit()
1709 	destroy_workqueue(ni->notify_wq);  in scmi_notification_exit()
1711 	devres_release_group(ni->handle->dev, ni->gid);  in scmi_notification_exit()