53 static void devlink_rel_free(struct devlink_rel *rel)  in devlink_rel_free()  argument
55 	xa_erase(&devlink_rels, rel->index);  in devlink_rel_free()
56 	kfree(rel);  in devlink_rel_free()
59 static void __devlink_rel_get(struct devlink_rel *rel)  in __devlink_rel_get()  argument
61 	refcount_inc(&rel->refcount);  in __devlink_rel_get()
64 static void __devlink_rel_put(struct devlink_rel *rel)  in __devlink_rel_put()  argument
66 	if (refcount_dec_and_test(&rel->refcount))  in __devlink_rel_put()
67 		devlink_rel_free(rel);  in __devlink_rel_put()
72 	struct devlink_rel *rel = container_of(work, struct devlink_rel,  in devlink_rel_nested_in_notify_work()  local
76 	devlink = devlinks_xa_get(rel->nested_in.devlink_index);  in devlink_rel_nested_in_notify_work()
88 	if (!xa_get_mark(&devlink_rels, rel->index, DEVLINK_REL_IN_USE))  in devlink_rel_nested_in_notify_work()
89 		rel->nested_in.cleanup_cb(devlink, rel->nested_in.obj_index, rel->index);  in devlink_rel_nested_in_notify_work()
90 	rel->nested_in.notify_cb(devlink, rel->nested_in.obj_index);  in devlink_rel_nested_in_notify_work()
95 	__devlink_rel_put(rel);  in devlink_rel_nested_in_notify_work()
99 	schedule_delayed_work(&rel->nested_in.notify_work, 1);  in devlink_rel_nested_in_notify_work()
102 static void devlink_rel_nested_in_notify_work_schedule(struct devlink_rel *rel)  in devlink_rel_nested_in_notify_work_schedule()  argument
104 	__devlink_rel_get(rel);  in devlink_rel_nested_in_notify_work_schedule()
105 	schedule_delayed_work(&rel->nested_in.notify_work, 0);  in devlink_rel_nested_in_notify_work_schedule()
110 	struct devlink_rel *rel;  in devlink_rel_alloc()  local
114 	rel = kzalloc(sizeof(*rel), GFP_KERNEL);  in devlink_rel_alloc()
115 	if (!rel)  in devlink_rel_alloc()
118 	err = xa_alloc_cyclic(&devlink_rels, &rel->index, rel,  in devlink_rel_alloc()
121 		kfree(rel);  in devlink_rel_alloc()
125 	refcount_set(&rel->refcount, 1);  in devlink_rel_alloc()
126 	INIT_DELAYED_WORK(&rel->nested_in.notify_work,  in devlink_rel_alloc()
128 	return rel;  in devlink_rel_alloc()
133 	struct devlink_rel *rel = devlink->rel;  in devlink_rel_put()  local
135 	if (!rel)  in devlink_rel_put()
137 	xa_clear_mark(&devlink_rels, rel->index, DEVLINK_REL_IN_USE);  in devlink_rel_put()
138 	devlink_rel_nested_in_notify_work_schedule(rel);  in devlink_rel_put()
139 	__devlink_rel_put(rel);  in devlink_rel_put()
140 	devlink->rel = NULL;  in devlink_rel_put()
153 	struct devlink_rel *rel = devlink_rel_alloc();  in devlink_rel_nested_in_add()  local
157 	if (IS_ERR(rel))  in devlink_rel_nested_in_add()
158 		return PTR_ERR(rel);  in devlink_rel_nested_in_add()
160 	rel->devlink_index = devlink->index;  in devlink_rel_nested_in_add()
161 	rel->nested_in.devlink_index = devlink_index;  in devlink_rel_nested_in_add()
162 	rel->nested_in.obj_index = obj_index;  in devlink_rel_nested_in_add()
163 	rel->nested_in.notify_cb = notify_cb;  in devlink_rel_nested_in_add()
164 	rel->nested_in.cleanup_cb = cleanup_cb;  in devlink_rel_nested_in_add()
165 	*rel_index = rel->index;  in devlink_rel_nested_in_add()
166 	xa_set_mark(&devlink_rels, rel->index, DEVLINK_REL_IN_USE);  in devlink_rel_nested_in_add()
167 	devlink->rel = rel;  in devlink_rel_nested_in_add()
187 	struct devlink_rel *rel = devlink->rel;  in devlink_rel_nested_in_notify()  local
189 	if (!rel)  in devlink_rel_nested_in_notify()
191 	devlink_rel_nested_in_notify_work_schedule(rel);  in devlink_rel_nested_in_notify()
202 	struct devlink_rel *rel;  in devlink_rel_devlink_get()  local
208 	rel = devlink_rel_find(rel_index);  in devlink_rel_devlink_get()
209 	if (rel)  in devlink_rel_devlink_get()
210 		devlink_index = rel->devlink_index;  in devlink_rel_devlink_get()
212 	if (!rel)  in devlink_rel_devlink_get()