273  * @ni: A reference to the initialized instance descriptor
300 	struct scmi_notify_instance	*ni;  member
372 scmi_get_active_handler(struct scmi_notify_instance *ni, u32 evt_key);
373 static void scmi_put_active_handler(struct scmi_notify_instance *ni,
375 static bool scmi_put_handler_unlocked(struct scmi_notify_instance *ni,
380  * @ni: A reference to the notification instance to use
386 scmi_lookup_and_call_event_chain(struct scmi_notify_instance *ni,  in scmi_lookup_and_call_event_chain()  argument
398 	hndl = scmi_get_active_handler(ni, evt_key);  in scmi_lookup_and_call_event_chain()
408 	scmi_put_active_handler(ni, hndl);  in scmi_lookup_and_call_event_chain()
437 		dev_err(pd->ni->handle->dev, "corrupted EVT header. Flush.\n");  in scmi_process_event_header()
479 		dev_err(pd->ni->handle->dev, "corrupted EVT Payload. Flush.\n");  in scmi_process_event_payload()
485 		dev_warn(pd->ni->handle->dev,  in scmi_process_event_payload()
495 		dev_err(pd->ni->handle->dev,  in scmi_process_event_payload()
503 	scmi_lookup_and_call_event_chain(pd->ni, key, report);  in scmi_process_event_payload()
507 	scmi_lookup_and_call_event_chain(pd->ni, key, report);  in scmi_process_event_payload()
584 	struct scmi_notify_instance *ni;  in scmi_notify()  local
586 	ni = scmi_notification_instance_data_get(handle);  in scmi_notify()
587 	if (!ni)  in scmi_notify()
590 	r_evt = SCMI_GET_REVT(ni, proto_id, evt_id);  in scmi_notify()
644  * @ni: A reference to the notification instance to use
652 static int scmi_initialize_events_queue(struct scmi_notify_instance *ni,  in scmi_initialize_events_queue()  argument
662 	ret = devm_add_action_or_reset(ni->handle->dev, scmi_kfifo_free,  in scmi_initialize_events_queue()
668 	equeue->wq = ni->notify_wq;  in scmi_initialize_events_queue()
676  * @ni: A reference to the &struct scmi_notify_instance notification instance
692 scmi_allocate_registered_events_desc(struct scmi_notify_instance *ni,  in scmi_allocate_registered_events_desc()  argument
702 	if (WARN_ON(ni->registered_protocols[proto_id]))  in scmi_allocate_registered_events_desc()
705 	pd = devm_kzalloc(ni->handle->dev, sizeof(*pd), GFP_KERNEL);  in scmi_allocate_registered_events_desc()
710 	pd->ni = ni;  in scmi_allocate_registered_events_desc()
712 	ret = scmi_initialize_events_queue(ni, &pd->equeue, queue_sz);  in scmi_allocate_registered_events_desc()
716 	pd->eh = devm_kzalloc(ni->handle->dev, eh_sz, GFP_KERNEL);  in scmi_allocate_registered_events_desc()
721 	pd->registered_events = devm_kcalloc(ni->handle->dev, num_events,  in scmi_allocate_registered_events_desc()
757 	struct scmi_notify_instance *ni;  in scmi_register_protocol_events()  local
764 	ni = scmi_notification_instance_data_get(handle);  in scmi_register_protocol_events()
765 	if (!ni)  in scmi_register_protocol_events()
784 	pd = scmi_allocate_registered_events_desc(ni, proto_id, ee->queue_sz,  in scmi_register_protocol_events()
795 		r_evt = devm_kzalloc(ni->handle->dev, sizeof(*r_evt),  in scmi_register_protocol_events()
802 		r_evt->sources = devm_kcalloc(ni->handle->dev, num_sources,  in scmi_register_protocol_events()
809 		r_evt->report = devm_kzalloc(ni->handle->dev,  in scmi_register_protocol_events()
827 	ni->registered_protocols[proto_id] = pd;  in scmi_register_protocol_events()
835 	schedule_work(&ni->init_work);  in scmi_register_protocol_events()
849 	struct scmi_notify_instance *ni;  in scmi_deregister_protocol_events()  local
852 	ni = scmi_notification_instance_data_get(handle);  in scmi_deregister_protocol_events()
853 	if (!ni)  in scmi_deregister_protocol_events()
856 	pd = ni->registered_protocols[proto_id];  in scmi_deregister_protocol_events()
860 	ni->registered_protocols[proto_id] = NULL;  in scmi_deregister_protocol_events()
869  * @ni: A reference to the notification instance to use
883 scmi_allocate_event_handler(struct scmi_notify_instance *ni, u32 evt_key)  in scmi_allocate_event_handler()  argument
894 	hash_add(ni->pending_events_handlers, &hndl->hash, hndl->key);  in scmi_allocate_event_handler()
914  * @ni: A reference to the notification instance to use
924 static inline int scmi_bind_event_handler(struct scmi_notify_instance *ni,  in scmi_bind_event_handler()  argument
929 	r_evt = SCMI_GET_REVT(ni, KEY_XTRACT_PROTO_ID(hndl->key),  in scmi_bind_event_handler()
946 	scmi_protocol_acquire(ni->handle, KEY_XTRACT_PROTO_ID(hndl->key));  in scmi_bind_event_handler()
959  * @ni: A reference to the notification instance to use
971 static inline int scmi_valid_pending_handler(struct scmi_notify_instance *ni,  in scmi_valid_pending_handler()  argument
979 	pd = SCMI_GET_PROTO(ni, KEY_XTRACT_PROTO_ID(hndl->key));  in scmi_valid_pending_handler()
988  * @ni: A reference to the notification instance to use
1003 static int scmi_register_event_handler(struct scmi_notify_instance *ni,  in scmi_register_event_handler()  argument
1008 	ret = scmi_bind_event_handler(ni, hndl);  in scmi_register_event_handler()
1010 		dev_dbg(ni->handle->dev, "registered NEW handler - key:%X\n",  in scmi_register_event_handler()
1013 		ret = scmi_valid_pending_handler(ni, hndl);  in scmi_register_event_handler()
1015 			dev_dbg(ni->handle->dev,  in scmi_register_event_handler()
1025  * @ni: A reference to the notification instance to use
1054 __scmi_event_handler_get_ops(struct scmi_notify_instance *ni,  in __scmi_event_handler_get_ops()  argument
1060 	r_evt = SCMI_GET_REVT(ni, KEY_XTRACT_PROTO_ID(evt_key),  in __scmi_event_handler_get_ops()
1063 	mutex_lock(&ni->pending_mtx);  in __scmi_event_handler_get_ops()
1076 		hndl = KEY_FIND(ni->pending_events_handlers, hndl, evt_key);  in __scmi_event_handler_get_ops()
1083 		hndl = scmi_allocate_event_handler(ni, evt_key);  in __scmi_event_handler_get_ops()
1084 		if (hndl && scmi_register_event_handler(ni, hndl)) {  in __scmi_event_handler_get_ops()
1085 			dev_dbg(ni->handle->dev,  in __scmi_event_handler_get_ops()
1089 			scmi_put_handler_unlocked(ni, hndl);  in __scmi_event_handler_get_ops()
1093 	mutex_unlock(&ni->pending_mtx);  in __scmi_event_handler_get_ops()
1099 scmi_get_handler(struct scmi_notify_instance *ni, u32 evt_key)  in scmi_get_handler()  argument
1101 	return __scmi_event_handler_get_ops(ni, evt_key, false);  in scmi_get_handler()
1105 scmi_get_or_create_handler(struct scmi_notify_instance *ni, u32 evt_key)  in scmi_get_or_create_handler()  argument
1107 	return __scmi_event_handler_get_ops(ni, evt_key, true);  in scmi_get_or_create_handler()
1112  * @ni: A reference to the notification instance to use
1122 scmi_get_active_handler(struct scmi_notify_instance *ni, u32 evt_key)  in scmi_get_active_handler()  argument
1127 	r_evt = SCMI_GET_REVT(ni, KEY_XTRACT_PROTO_ID(evt_key),  in scmi_get_active_handler()
1238  * @ni: A reference to the notification instance to use
1250 static bool scmi_put_handler_unlocked(struct scmi_notify_instance *ni,  in scmi_put_handler_unlocked()  argument
1265 static void scmi_put_handler(struct scmi_notify_instance *ni,  in scmi_put_handler()  argument
1272 	mutex_lock(&ni->pending_mtx);  in scmi_put_handler()
1278 	freed = scmi_put_handler_unlocked(ni, hndl);  in scmi_put_handler()
1289 			scmi_protocol_release(ni->handle, protocol_id);  in scmi_put_handler()
1291 	mutex_unlock(&ni->pending_mtx);  in scmi_put_handler()
1294 static void scmi_put_active_handler(struct scmi_notify_instance *ni,  in scmi_put_active_handler()  argument
1302 	freed = scmi_put_handler_unlocked(ni, hndl);  in scmi_put_active_handler()
1305 		scmi_protocol_release(ni->handle, protocol_id);  in scmi_put_active_handler()
1364 	struct scmi_notify_instance *ni;  in scmi_notifier_register()  local
1366 	ni = scmi_notification_instance_data_get(handle);  in scmi_notifier_register()
1367 	if (!ni)  in scmi_notifier_register()
1372 	hndl = scmi_get_or_create_handler(ni, evt_key);  in scmi_notifier_register()
1382 			scmi_put_handler(ni, hndl);  in scmi_notifier_register()
1410 	struct scmi_notify_instance *ni;  in scmi_notifier_unregister()  local
1412 	ni = scmi_notification_instance_data_get(handle);  in scmi_notifier_unregister()
1413 	if (!ni)  in scmi_notifier_unregister()
1418 	hndl = scmi_get_handler(ni, evt_key);  in scmi_notifier_unregister()
1427 	scmi_put_handler(ni, hndl);  in scmi_notifier_unregister()
1440 	scmi_put_handler(ni, hndl);  in scmi_notifier_unregister()
1564 	struct scmi_notify_instance *ni;  in scmi_protocols_late_init()  local
1567 	ni = container_of(work, struct scmi_notify_instance, init_work);  in scmi_protocols_late_init()
1572 	mutex_lock(&ni->pending_mtx);  in scmi_protocols_late_init()
1573 	hash_for_each_safe(ni->pending_events_handlers, bkt, tmp, hndl, hash) {  in scmi_protocols_late_init()
1576 		ret = scmi_bind_event_handler(ni, hndl);  in scmi_protocols_late_init()
1578 			dev_dbg(ni->handle->dev,  in scmi_protocols_late_init()
1583 				dev_dbg(ni->handle->dev,  in scmi_protocols_late_init()
1586 				scmi_put_active_handler(ni, hndl);  in scmi_protocols_late_init()
1589 			ret = scmi_valid_pending_handler(ni, hndl);  in scmi_protocols_late_init()
1591 				dev_dbg(ni->handle->dev,  in scmi_protocols_late_init()
1595 				scmi_put_handler_unlocked(ni, hndl);  in scmi_protocols_late_init()
1599 	mutex_unlock(&ni->pending_mtx);  in scmi_protocols_late_init()
1642 	struct scmi_notify_instance *ni;  in scmi_notification_init()  local
1648 	ni = devm_kzalloc(handle->dev, sizeof(*ni), GFP_KERNEL);  in scmi_notification_init()
1649 	if (!ni)  in scmi_notification_init()
1652 	ni->gid = gid;  in scmi_notification_init()
1653 	ni->handle = handle;  in scmi_notification_init()
1655 	ni->registered_protocols = devm_kcalloc(handle->dev, SCMI_MAX_PROTO,  in scmi_notification_init()
1657 	if (!ni->registered_protocols)  in scmi_notification_init()
1660 	ni->notify_wq = alloc_workqueue(dev_name(handle->dev),  in scmi_notification_init()
1663 	if (!ni->notify_wq)  in scmi_notification_init()
1666 	mutex_init(&ni->pending_mtx);  in scmi_notification_init()
1667 	hash_init(ni->pending_events_handlers);  in scmi_notification_init()
1669 	INIT_WORK(&ni->init_work, scmi_protocols_late_init);  in scmi_notification_init()
1671 	scmi_notification_instance_data_set(handle, ni);  in scmi_notification_init()
1678 	devres_close_group(handle->dev, ni->gid);  in scmi_notification_init()
1694 	struct scmi_notify_instance *ni;  in scmi_notification_exit()  local
1696 	ni = scmi_notification_instance_data_get(handle);  in scmi_notification_exit()
1697 	if (!ni)  in scmi_notification_exit()
1702 	destroy_workqueue(ni->notify_wq);  in scmi_notification_exit()
1704 	devres_release_group(ni->handle->dev, ni->gid);  in scmi_notification_exit()