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_get_notification_instance_data(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_get_notification_instance_data(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()
847 	struct scmi_notify_instance *ni;  in scmi_deregister_protocol_events()  local
850 	ni = scmi_get_notification_instance_data(handle);  in scmi_deregister_protocol_events()
851 	if (!ni)  in scmi_deregister_protocol_events()
854 	pd = ni->registered_protocols[proto_id];  in scmi_deregister_protocol_events()
858 	ni->registered_protocols[proto_id] = NULL;  in scmi_deregister_protocol_events()
867  * @ni: A reference to the notification instance to use
881 scmi_allocate_event_handler(struct scmi_notify_instance *ni, u32 evt_key)  in scmi_allocate_event_handler()  argument
892 	hash_add(ni->pending_events_handlers, &hndl->hash, hndl->key);  in scmi_allocate_event_handler()
912  * @ni: A reference to the notification instance to use
922 static inline int scmi_bind_event_handler(struct scmi_notify_instance *ni,  in scmi_bind_event_handler()  argument
927 	r_evt = SCMI_GET_REVT(ni, KEY_XTRACT_PROTO_ID(hndl->key),  in scmi_bind_event_handler()
944 	scmi_acquire_protocol(ni->handle, KEY_XTRACT_PROTO_ID(hndl->key));  in scmi_bind_event_handler()
957  * @ni: A reference to the notification instance to use
969 static inline int scmi_valid_pending_handler(struct scmi_notify_instance *ni,  in scmi_valid_pending_handler()  argument
977 	pd = SCMI_GET_PROTO(ni, KEY_XTRACT_PROTO_ID(hndl->key));  in scmi_valid_pending_handler()
986  * @ni: A reference to the notification instance to use
1001 static int scmi_register_event_handler(struct scmi_notify_instance *ni,  in scmi_register_event_handler()  argument
1006 	ret = scmi_bind_event_handler(ni, hndl);  in scmi_register_event_handler()
1008 		dev_dbg(ni->handle->dev, "registered NEW handler - key:%X\n",  in scmi_register_event_handler()
1011 		ret = scmi_valid_pending_handler(ni, hndl);  in scmi_register_event_handler()
1013 			dev_dbg(ni->handle->dev,  in scmi_register_event_handler()
1023  * @ni: A reference to the notification instance to use
1052 __scmi_event_handler_get_ops(struct scmi_notify_instance *ni,  in __scmi_event_handler_get_ops()  argument
1058 	r_evt = SCMI_GET_REVT(ni, KEY_XTRACT_PROTO_ID(evt_key),  in __scmi_event_handler_get_ops()
1061 	mutex_lock(&ni->pending_mtx);  in __scmi_event_handler_get_ops()
1074 		hndl = KEY_FIND(ni->pending_events_handlers, hndl, evt_key);  in __scmi_event_handler_get_ops()
1081 		hndl = scmi_allocate_event_handler(ni, evt_key);  in __scmi_event_handler_get_ops()
1082 		if (hndl && scmi_register_event_handler(ni, hndl)) {  in __scmi_event_handler_get_ops()
1083 			dev_dbg(ni->handle->dev,  in __scmi_event_handler_get_ops()
1087 			scmi_put_handler_unlocked(ni, hndl);  in __scmi_event_handler_get_ops()
1091 	mutex_unlock(&ni->pending_mtx);  in __scmi_event_handler_get_ops()
1097 scmi_get_handler(struct scmi_notify_instance *ni, u32 evt_key)  in scmi_get_handler()  argument
1099 	return __scmi_event_handler_get_ops(ni, evt_key, false);  in scmi_get_handler()
1103 scmi_get_or_create_handler(struct scmi_notify_instance *ni, u32 evt_key)  in scmi_get_or_create_handler()  argument
1105 	return __scmi_event_handler_get_ops(ni, evt_key, true);  in scmi_get_or_create_handler()
1110  * @ni: A reference to the notification instance to use
1120 scmi_get_active_handler(struct scmi_notify_instance *ni, u32 evt_key)  in scmi_get_active_handler()  argument
1125 	r_evt = SCMI_GET_REVT(ni, KEY_XTRACT_PROTO_ID(evt_key),  in scmi_get_active_handler()
1228  * @ni: A reference to the notification instance to use
1240 static bool scmi_put_handler_unlocked(struct scmi_notify_instance *ni,  in scmi_put_handler_unlocked()  argument
1255 static void scmi_put_handler(struct scmi_notify_instance *ni,  in scmi_put_handler()  argument
1262 	mutex_lock(&ni->pending_mtx);  in scmi_put_handler()
1268 	freed = scmi_put_handler_unlocked(ni, hndl);  in scmi_put_handler()
1279 			scmi_release_protocol(ni->handle, protocol_id);  in scmi_put_handler()
1281 	mutex_unlock(&ni->pending_mtx);  in scmi_put_handler()
1284 static void scmi_put_active_handler(struct scmi_notify_instance *ni,  in scmi_put_active_handler()  argument
1292 	freed = scmi_put_handler_unlocked(ni, hndl);  in scmi_put_active_handler()
1295 		scmi_release_protocol(ni->handle, protocol_id);  in scmi_put_active_handler()
1354 	struct scmi_notify_instance *ni;  in scmi_register_notifier()  local
1356 	ni = scmi_get_notification_instance_data(handle);  in scmi_register_notifier()
1357 	if (!ni)  in scmi_register_notifier()
1362 	hndl = scmi_get_or_create_handler(ni, evt_key);  in scmi_register_notifier()
1372 			scmi_put_handler(ni, hndl);  in scmi_register_notifier()
1400 	struct scmi_notify_instance *ni;  in scmi_unregister_notifier()  local
1402 	ni = scmi_get_notification_instance_data(handle);  in scmi_unregister_notifier()
1403 	if (!ni)  in scmi_unregister_notifier()
1408 	hndl = scmi_get_handler(ni, evt_key);  in scmi_unregister_notifier()
1417 	scmi_put_handler(ni, hndl);  in scmi_unregister_notifier()
1430 	scmi_put_handler(ni, hndl);  in scmi_unregister_notifier()
1570 	struct scmi_notify_instance *ni;  in scmi_protocols_late_init()  local
1573 	ni = container_of(work, struct scmi_notify_instance, init_work);  in scmi_protocols_late_init()
1578 	mutex_lock(&ni->pending_mtx);  in scmi_protocols_late_init()
1579 	hash_for_each_safe(ni->pending_events_handlers, bkt, tmp, hndl, hash) {  in scmi_protocols_late_init()
1582 		ret = scmi_bind_event_handler(ni, hndl);  in scmi_protocols_late_init()
1584 			dev_dbg(ni->handle->dev,  in scmi_protocols_late_init()
1589 				dev_dbg(ni->handle->dev,  in scmi_protocols_late_init()
1592 				scmi_put_active_handler(ni, hndl);  in scmi_protocols_late_init()
1595 			ret = scmi_valid_pending_handler(ni, hndl);  in scmi_protocols_late_init()
1597 				dev_dbg(ni->handle->dev,  in scmi_protocols_late_init()
1601 				scmi_put_handler_unlocked(ni, hndl);  in scmi_protocols_late_init()
1605 	mutex_unlock(&ni->pending_mtx);  in scmi_protocols_late_init()
1648 	struct scmi_notify_instance *ni;  in scmi_notification_init()  local
1654 	ni = devm_kzalloc(handle->dev, sizeof(*ni), GFP_KERNEL);  in scmi_notification_init()
1655 	if (!ni)  in scmi_notification_init()
1658 	ni->gid = gid;  in scmi_notification_init()
1659 	ni->handle = handle;  in scmi_notification_init()
1661 	ni->registered_protocols = devm_kcalloc(handle->dev, SCMI_MAX_PROTO,  in scmi_notification_init()
1663 	if (!ni->registered_protocols)  in scmi_notification_init()
1666 	ni->notify_wq = alloc_workqueue(dev_name(handle->dev),  in scmi_notification_init()
1669 	if (!ni->notify_wq)  in scmi_notification_init()
1672 	mutex_init(&ni->pending_mtx);  in scmi_notification_init()
1673 	hash_init(ni->pending_events_handlers);  in scmi_notification_init()
1675 	INIT_WORK(&ni->init_work, scmi_protocols_late_init);  in scmi_notification_init()
1677 	scmi_set_notification_instance_data(handle, ni);  in scmi_notification_init()
1684 	devres_close_group(handle->dev, ni->gid);  in scmi_notification_init()
1700 	struct scmi_notify_instance *ni;  in scmi_notification_exit()  local
1702 	ni = scmi_get_notification_instance_data(handle);  in scmi_notification_exit()
1703 	if (!ni)  in scmi_notification_exit()
1708 	destroy_workqueue(ni->notify_wq);  in scmi_notification_exit()
1710 	devres_release_group(ni->handle->dev, ni->gid);  in scmi_notification_exit()