180 static int devlink_param_get(struct devlink *devlink,  in devlink_param_get()  argument
187 	return param->get(devlink, param->id, ctx, extack);  in devlink_param_get()
190 static int devlink_param_set(struct devlink *devlink,  in devlink_param_set()  argument
197 	return param->set(devlink, param->id, ctx, extack);  in devlink_param_set()
200 static int devlink_param_get_default(struct devlink *devlink,  in devlink_param_get_default()  argument
208 	return param->get_default(devlink, param->id, ctx, extack);  in devlink_param_get_default()
211 static int devlink_param_reset_default(struct devlink *devlink,  in devlink_param_reset_default()  argument
219 	return param->reset_default(devlink, param->id, cmode, extack);  in devlink_param_reset_default()
314 static int devlink_nl_param_fill(struct sk_buff *msg, struct devlink *devlink,  in devlink_nl_param_fill()  argument
372 			err = devlink_param_get(devlink, param, ctx, extack);  in devlink_nl_param_fill()
378 			err = devlink_param_get_default(devlink, param, ctx,  in devlink_nl_param_fill()
395 	if (devlink_nl_put_handle(msg, devlink))  in devlink_nl_param_fill()
451 static void devlink_param_notify(struct devlink *devlink,  in devlink_param_notify()  argument
467 	if (!devl_is_registered(devlink) || !devlink_nl_notify_need(devlink))  in devlink_param_notify()
473 	err = devlink_nl_param_fill(msg, devlink, port_index, param_item, cmd,  in devlink_param_notify()
480 	devlink_nl_notify_send(devlink, msg);  in devlink_param_notify()
483 static void devlink_params_notify(struct devlink *devlink,  in devlink_params_notify()  argument
489 	xa_for_each(&devlink->params, param_id, param_item)  in devlink_params_notify()
490 		devlink_param_notify(devlink, 0, param_item, cmd);  in devlink_params_notify()
493 void devlink_params_notify_register(struct devlink *devlink)  in devlink_params_notify_register()  argument
495 	devlink_params_notify(devlink, DEVLINK_CMD_PARAM_NEW);  in devlink_params_notify_register()
498 void devlink_params_notify_unregister(struct devlink *devlink)  in devlink_params_notify_unregister()  argument
500 	devlink_params_notify(devlink, DEVLINK_CMD_PARAM_DEL);  in devlink_params_notify_unregister()
504 					 struct devlink *devlink,  in devlink_nl_param_get_dump_one()  argument
513 	xa_for_each_start(&devlink->params, param_id, param_item, state->idx) {  in devlink_nl_param_get_dump_one()
514 		err = devlink_nl_param_fill(msg, devlink, 0, param_item,  in devlink_nl_param_get_dump_one()
635 	struct devlink *devlink = devlink_nl_ctx(info)->devlink;  in devlink_nl_param_get_doit()  local
640 	param_item = devlink_param_get_from_info(&devlink->params, info);  in devlink_nl_param_get_doit()
648 	err = devlink_nl_param_fill(msg, devlink, 0, param_item,  in devlink_nl_param_get_doit()
659 static int __devlink_nl_cmd_param_set_doit(struct devlink *devlink,  in __devlink_nl_cmd_param_set_doit()  argument
690 			err = param->validate(devlink, param->id, &value,  in __devlink_nl_cmd_param_set_doit()
721 			err = devlink_param_reset_default(devlink, param, cmode,  in __devlink_nl_cmd_param_set_doit()
724 			err = devlink_param_set(devlink, param, &ctx,  in __devlink_nl_cmd_param_set_doit()
730 	devlink_param_notify(devlink, port_index, param_item, cmd);  in __devlink_nl_cmd_param_set_doit()
736 	struct devlink *devlink = devlink_nl_ctx(info)->devlink;  in devlink_nl_param_set_doit()  local
738 	return __devlink_nl_cmd_param_set_doit(devlink, 0, &devlink->params,  in devlink_nl_param_set_doit()
773 static int devlink_param_register(struct devlink *devlink,  in devlink_param_register()  argument
780 	WARN_ON(devlink_param_find_by_name(&devlink->params, param->name));  in devlink_param_register()
793 	err = xa_insert(&devlink->params, param->id, param_item, GFP_KERNEL);  in devlink_param_register()
797 	devlink_param_notify(devlink, 0, param_item, DEVLINK_CMD_PARAM_NEW);  in devlink_param_register()
805 static void devlink_param_unregister(struct devlink *devlink,  in devlink_param_unregister()  argument
810 	param_item = devlink_param_find_by_id(&devlink->params, param->id);  in devlink_param_unregister()
813 	devlink_param_notify(devlink, 0, param_item, DEVLINK_CMD_PARAM_DEL);  in devlink_param_unregister()
814 	xa_erase(&devlink->params, param->id);  in devlink_param_unregister()
821  *	@devlink: devlink
827 int devl_params_register(struct devlink *devlink,  in devl_params_register()  argument
834 	lockdep_assert_held(&devlink->lock);  in devl_params_register()
837 		err = devlink_param_register(devlink, param);  in devl_params_register()
848 		devlink_param_unregister(devlink, param);  in devl_params_register()
853 int devlink_params_register(struct devlink *devlink,  in devlink_params_register()  argument
859 	devl_lock(devlink);  in devlink_params_register()
860 	err = devl_params_register(devlink, params, params_count);  in devlink_params_register()
861 	devl_unlock(devlink);  in devlink_params_register()
868  *	@devlink: devlink
872 void devl_params_unregister(struct devlink *devlink,  in devl_params_unregister()  argument
879 	lockdep_assert_held(&devlink->lock);  in devl_params_unregister()
882 		devlink_param_unregister(devlink, param);  in devl_params_unregister()
886 void devlink_params_unregister(struct devlink *devlink,  in devlink_params_unregister()  argument
890 	devl_lock(devlink);  in devlink_params_unregister()
891 	devl_params_unregister(devlink, params, params_count);  in devlink_params_unregister()
892 	devl_unlock(devlink);  in devlink_params_unregister()
900  *	@devlink: devlink
916  *	If the driver is not able to comply, it has to take the devlink->lock
919 int devl_param_driverinit_value_get(struct devlink *devlink, u32 param_id,  in devl_param_driverinit_value_get()  argument
924 	if (WARN_ON(!devlink_reload_supported(devlink->ops)))  in devl_param_driverinit_value_get()
927 	param_item = devlink_param_find_by_id(&devlink->params, param_id);  in devl_param_driverinit_value_get()
949  *	@devlink: devlink
956 void devl_param_driverinit_value_set(struct devlink *devlink, u32 param_id,  in devl_param_driverinit_value_set()  argument
961 	devl_assert_locked(devlink);  in devl_param_driverinit_value_set()
963 	param_item = devlink_param_find_by_id(&devlink->params, param_id);  in devl_param_driverinit_value_set()
975 	devlink_param_notify(devlink, 0, param_item, DEVLINK_CMD_PARAM_NEW);  in devl_param_driverinit_value_set()
979 void devlink_params_driverinit_load_new(struct devlink *devlink)  in devlink_params_driverinit_load_new()  argument
984 	xa_for_each(&devlink->params, param_id, param_item) {  in devlink_params_driverinit_load_new()
996  *	devl_param_value_changed - notify devlink on a parameter's value
1000  *	@devlink: devlink
1003  *	This function should be used by the driver to notify devlink on value
1007 void devl_param_value_changed(struct devlink *devlink, u32 param_id)  in devl_param_value_changed()  argument
1011 	param_item = devlink_param_find_by_id(&devlink->params, param_id);  in devl_param_value_changed()
1014 	devlink_param_notify(devlink, 0, param_item, DEVLINK_CMD_PARAM_NEW);  in devl_param_value_changed()