273  * @ni: A reference to the initialized instance descriptor
300 	struct scmi_notify_instance	*ni;  member
376 scmi_get_active_handler(struct scmi_notify_instance *ni, u32 evt_key);
377 static void scmi_put_active_handler(struct scmi_notify_instance *ni,
379 static bool scmi_put_handler_unlocked(struct scmi_notify_instance *ni,
384  * @ni: A reference to the notification instance to use
390 scmi_lookup_and_call_event_chain(struct scmi_notify_instance *ni,  in scmi_lookup_and_call_event_chain()  argument
402 	hndl = scmi_get_active_handler(ni, evt_key);  in scmi_lookup_and_call_event_chain()
412 	scmi_put_active_handler(ni, hndl);  in scmi_lookup_and_call_event_chain()
441 		dev_err(pd->ni->handle->dev, "corrupted EVT header. Flush.\n");  in scmi_process_event_header()
483 		dev_err(pd->ni->handle->dev, "corrupted EVT Payload. Flush.\n");  in scmi_process_event_payload()
489 		dev_warn(pd->ni->handle->dev,  in scmi_process_event_payload()
499 		dev_err(pd->ni->handle->dev,  in scmi_process_event_payload()
507 	scmi_lookup_and_call_event_chain(pd->ni, key, report);  in scmi_process_event_payload()
511 	scmi_lookup_and_call_event_chain(pd->ni, key, report);  in scmi_process_event_payload()
588 	struct scmi_notify_instance *ni;  in scmi_notify()  local
590 	ni = scmi_notification_instance_data_get(handle);  in scmi_notify()
591 	if (!ni)  in scmi_notify()
594 	r_evt = SCMI_GET_REVT(ni, proto_id, evt_id);  in scmi_notify()
648  * @ni: A reference to the notification instance to use
656 static int scmi_initialize_events_queue(struct scmi_notify_instance *ni,  in scmi_initialize_events_queue()  argument
666 	ret = devm_add_action_or_reset(ni->handle->dev, scmi_kfifo_free,  in scmi_initialize_events_queue()
672 	equeue->wq = ni->notify_wq;  in scmi_initialize_events_queue()
680  * @ni: A reference to the &struct scmi_notify_instance notification instance
696 scmi_allocate_registered_events_desc(struct scmi_notify_instance *ni,  in scmi_allocate_registered_events_desc()  argument
706 	if (WARN_ON(ni->registered_protocols[proto_id]))  in scmi_allocate_registered_events_desc()
709 	pd = devm_kzalloc(ni->handle->dev, sizeof(*pd), GFP_KERNEL);  in scmi_allocate_registered_events_desc()
714 	pd->ni = ni;  in scmi_allocate_registered_events_desc()
716 	ret = scmi_initialize_events_queue(ni, &pd->equeue, queue_sz);  in scmi_allocate_registered_events_desc()
720 	pd->eh = devm_kzalloc(ni->handle->dev, eh_sz, GFP_KERNEL);  in scmi_allocate_registered_events_desc()
725 	pd->registered_events = devm_kcalloc(ni->handle->dev, num_events,  in scmi_allocate_registered_events_desc()
761 	struct scmi_notify_instance *ni;  in scmi_register_protocol_events()  local
768 	ni = scmi_notification_instance_data_get(handle);  in scmi_register_protocol_events()
769 	if (!ni)  in scmi_register_protocol_events()
788 	pd = scmi_allocate_registered_events_desc(ni, proto_id, ee->queue_sz,  in scmi_register_protocol_events()
799 		r_evt = devm_kzalloc(ni->handle->dev, sizeof(*r_evt),  in scmi_register_protocol_events()
806 		r_evt->sources = devm_kcalloc(ni->handle->dev, num_sources,  in scmi_register_protocol_events()
813 		r_evt->report = devm_kzalloc(ni->handle->dev,  in scmi_register_protocol_events()
840 	ni->registered_protocols[proto_id] = pd;  in scmi_register_protocol_events()
848 	schedule_work(&ni->init_work);  in scmi_register_protocol_events()
862 	struct scmi_notify_instance *ni;  in scmi_deregister_protocol_events()  local
865 	ni = scmi_notification_instance_data_get(handle);  in scmi_deregister_protocol_events()
866 	if (!ni)  in scmi_deregister_protocol_events()
869 	pd = ni->registered_protocols[proto_id];  in scmi_deregister_protocol_events()
873 	ni->registered_protocols[proto_id] = NULL;  in scmi_deregister_protocol_events()
882  * @ni: A reference to the notification instance to use
896 scmi_allocate_event_handler(struct scmi_notify_instance *ni, u32 evt_key)  in scmi_allocate_event_handler()  argument
907 	hash_add(ni->pending_events_handlers, &hndl->hash, hndl->key);  in scmi_allocate_event_handler()
927  * @ni: A reference to the notification instance to use
937 static inline int scmi_bind_event_handler(struct scmi_notify_instance *ni,  in scmi_bind_event_handler()  argument
942 	r_evt = SCMI_GET_REVT(ni, KEY_XTRACT_PROTO_ID(hndl->key),  in scmi_bind_event_handler()
964 	scmi_protocol_acquire(ni->handle, KEY_XTRACT_PROTO_ID(hndl->key));  in scmi_bind_event_handler()
977  * @ni: A reference to the notification instance to use
989 static inline int scmi_valid_pending_handler(struct scmi_notify_instance *ni,  in scmi_valid_pending_handler()  argument
997 	pd = SCMI_GET_PROTO(ni, KEY_XTRACT_PROTO_ID(hndl->key));  in scmi_valid_pending_handler()
1006  * @ni: A reference to the notification instance to use
1021 static int scmi_register_event_handler(struct scmi_notify_instance *ni,  in scmi_register_event_handler()  argument
1026 	ret = scmi_bind_event_handler(ni, hndl);  in scmi_register_event_handler()
1028 		dev_dbg(ni->handle->dev, "registered NEW handler - key:%X\n",  in scmi_register_event_handler()
1031 		ret = scmi_valid_pending_handler(ni, hndl);  in scmi_register_event_handler()
1033 			dev_dbg(ni->handle->dev,  in scmi_register_event_handler()
1043  * @ni: A reference to the notification instance to use
1072 __scmi_event_handler_get_ops(struct scmi_notify_instance *ni,  in __scmi_event_handler_get_ops()  argument
1078 	r_evt = SCMI_GET_REVT(ni, KEY_XTRACT_PROTO_ID(evt_key),  in __scmi_event_handler_get_ops()
1084 	mutex_lock(&ni->pending_mtx);  in __scmi_event_handler_get_ops()
1097 		hndl = KEY_FIND(ni->pending_events_handlers, hndl, evt_key);  in __scmi_event_handler_get_ops()
1104 		hndl = scmi_allocate_event_handler(ni, evt_key);  in __scmi_event_handler_get_ops()
1105 		if (hndl && scmi_register_event_handler(ni, hndl)) {  in __scmi_event_handler_get_ops()
1106 			dev_dbg(ni->handle->dev,  in __scmi_event_handler_get_ops()
1110 			scmi_put_handler_unlocked(ni, hndl);  in __scmi_event_handler_get_ops()
1114 	mutex_unlock(&ni->pending_mtx);  in __scmi_event_handler_get_ops()
1120 scmi_get_handler(struct scmi_notify_instance *ni, u32 evt_key)  in scmi_get_handler()  argument
1122 	return __scmi_event_handler_get_ops(ni, evt_key, false);  in scmi_get_handler()
1126 scmi_get_or_create_handler(struct scmi_notify_instance *ni, u32 evt_key)  in scmi_get_or_create_handler()  argument
1128 	return __scmi_event_handler_get_ops(ni, evt_key, true);  in scmi_get_or_create_handler()
1133  * @ni: A reference to the notification instance to use
1143 scmi_get_active_handler(struct scmi_notify_instance *ni, u32 evt_key)  in scmi_get_active_handler()  argument
1148 	r_evt = SCMI_GET_REVT(ni, KEY_XTRACT_PROTO_ID(evt_key),  in scmi_get_active_handler()
1259  * @ni: A reference to the notification instance to use
1271 static bool scmi_put_handler_unlocked(struct scmi_notify_instance *ni,  in scmi_put_handler_unlocked()  argument
1286 static void scmi_put_handler(struct scmi_notify_instance *ni,  in scmi_put_handler()  argument
1293 	mutex_lock(&ni->pending_mtx);  in scmi_put_handler()
1299 	freed = scmi_put_handler_unlocked(ni, hndl);  in scmi_put_handler()
1310 			scmi_protocol_release(ni->handle, protocol_id);  in scmi_put_handler()
1312 	mutex_unlock(&ni->pending_mtx);  in scmi_put_handler()
1315 static void scmi_put_active_handler(struct scmi_notify_instance *ni,  in scmi_put_active_handler()  argument
1323 	freed = scmi_put_handler_unlocked(ni, hndl);  in scmi_put_active_handler()
1326 		scmi_protocol_release(ni->handle, protocol_id);  in scmi_put_active_handler()
1385 	struct scmi_notify_instance *ni;  in scmi_notifier_register()  local
1387 	ni = scmi_notification_instance_data_get(handle);  in scmi_notifier_register()
1388 	if (!ni)  in scmi_notifier_register()
1393 	hndl = scmi_get_or_create_handler(ni, evt_key);  in scmi_notifier_register()
1403 			scmi_put_handler(ni, hndl);  in scmi_notifier_register()
1431 	struct scmi_notify_instance *ni;  in scmi_notifier_unregister()  local
1433 	ni = scmi_notification_instance_data_get(handle);  in scmi_notifier_unregister()
1434 	if (!ni)  in scmi_notifier_unregister()
1439 	hndl = scmi_get_handler(ni, evt_key);  in scmi_notifier_unregister()
1448 	scmi_put_handler(ni, hndl);  in scmi_notifier_unregister()
1461 	scmi_put_handler(ni, hndl);  in scmi_notifier_unregister()
1585 	struct scmi_notify_instance *ni;  in scmi_protocols_late_init()  local
1588 	ni = container_of(work, struct scmi_notify_instance, init_work);  in scmi_protocols_late_init()
1593 	mutex_lock(&ni->pending_mtx);  in scmi_protocols_late_init()
1594 	hash_for_each_safe(ni->pending_events_handlers, bkt, tmp, hndl, hash) {  in scmi_protocols_late_init()
1597 		ret = scmi_bind_event_handler(ni, hndl);  in scmi_protocols_late_init()
1599 			dev_dbg(ni->handle->dev,  in scmi_protocols_late_init()
1604 				dev_dbg(ni->handle->dev,  in scmi_protocols_late_init()
1607 				scmi_put_active_handler(ni, hndl);  in scmi_protocols_late_init()
1610 			ret = scmi_valid_pending_handler(ni, hndl);  in scmi_protocols_late_init()
1612 				dev_dbg(ni->handle->dev,  in scmi_protocols_late_init()
1616 				scmi_put_handler_unlocked(ni, hndl);  in scmi_protocols_late_init()
1620 	mutex_unlock(&ni->pending_mtx);  in scmi_protocols_late_init()
1663 	struct scmi_notify_instance *ni;  in scmi_notification_init()  local
1669 	ni = devm_kzalloc(handle->dev, sizeof(*ni), GFP_KERNEL);  in scmi_notification_init()
1670 	if (!ni)  in scmi_notification_init()
1673 	ni->gid = gid;  in scmi_notification_init()
1674 	ni->handle = handle;  in scmi_notification_init()
1676 	ni->registered_protocols = devm_kcalloc(handle->dev, SCMI_MAX_PROTO,  in scmi_notification_init()
1678 	if (!ni->registered_protocols)  in scmi_notification_init()
1681 	ni->notify_wq = alloc_workqueue(dev_name(handle->dev),  in scmi_notification_init()
1684 	if (!ni->notify_wq)  in scmi_notification_init()
1687 	mutex_init(&ni->pending_mtx);  in scmi_notification_init()
1688 	hash_init(ni->pending_events_handlers);  in scmi_notification_init()
1690 	INIT_WORK(&ni->init_work, scmi_protocols_late_init);  in scmi_notification_init()
1692 	scmi_notification_instance_data_set(handle, ni);  in scmi_notification_init()
1699 	devres_close_group(handle->dev, ni->gid);  in scmi_notification_init()
1715 	struct scmi_notify_instance *ni;  in scmi_notification_exit()  local
1717 	ni = scmi_notification_instance_data_get(handle);  in scmi_notification_exit()
1718 	if (!ni)  in scmi_notification_exit()
1723 	destroy_workqueue(ni->notify_wq);  in scmi_notification_exit()
1725 	devres_release_group(ni->handle->dev, ni->gid);  in scmi_notification_exit()