Lines Matching refs:kobj
30 const void *kobject_namespace(const struct kobject *kobj) in kobject_namespace() argument
32 const struct kobj_ns_type_operations *ns_ops = kobj_ns_ops(kobj); in kobject_namespace()
37 return kobj->ktype->namespace(kobj); in kobject_namespace()
50 void kobject_get_ownership(const struct kobject *kobj, kuid_t *uid, kgid_t *gid) in kobject_get_ownership() argument
55 if (kobj->ktype->get_ownership) in kobject_get_ownership()
56 kobj->ktype->get_ownership(kobj, uid, gid); in kobject_get_ownership()
67 static int create_dir(struct kobject *kobj) in create_dir() argument
69 const struct kobj_type *ktype = get_ktype(kobj); in create_dir()
73 error = sysfs_create_dir_ns(kobj, kobject_namespace(kobj)); in create_dir()
78 error = sysfs_create_groups(kobj, ktype->default_groups); in create_dir()
80 sysfs_remove_dir(kobj); in create_dir()
89 sysfs_get(kobj->sd); in create_dir()
95 ops = kobj_child_ns_ops(kobj); in create_dir()
100 sysfs_enable_ns(kobj->sd); in create_dir()
106 static int get_kobj_path_length(const struct kobject *kobj) in get_kobj_path_length() argument
109 const struct kobject *parent = kobj; in get_kobj_path_length()
124 static int fill_kobj_path(const struct kobject *kobj, char *path, int length) in fill_kobj_path() argument
129 for (parent = kobj; parent; parent = parent->parent) { in fill_kobj_path()
139 pr_debug("'%s' (%p): %s: path = '%s'\n", kobject_name(kobj), in fill_kobj_path()
140 kobj, __func__, path); in fill_kobj_path()
152 char *kobject_get_path(const struct kobject *kobj, gfp_t gfp_mask) in kobject_get_path() argument
158 len = get_kobj_path_length(kobj); in kobject_get_path()
164 if (fill_kobj_path(kobj, path, len)) { in kobject_get_path()
174 static void kobj_kset_join(struct kobject *kobj) in kobj_kset_join() argument
176 if (!kobj->kset) in kobj_kset_join()
179 kset_get(kobj->kset); in kobj_kset_join()
180 spin_lock(&kobj->kset->list_lock); in kobj_kset_join()
181 list_add_tail(&kobj->entry, &kobj->kset->list); in kobj_kset_join()
182 spin_unlock(&kobj->kset->list_lock); in kobj_kset_join()
186 static void kobj_kset_leave(struct kobject *kobj) in kobj_kset_leave() argument
188 if (!kobj->kset) in kobj_kset_leave()
191 spin_lock(&kobj->kset->list_lock); in kobj_kset_leave()
192 list_del_init(&kobj->entry); in kobj_kset_leave()
193 spin_unlock(&kobj->kset->list_lock); in kobj_kset_leave()
194 kset_put(kobj->kset); in kobj_kset_leave()
197 static void kobject_init_internal(struct kobject *kobj) in kobject_init_internal() argument
199 if (!kobj) in kobject_init_internal()
201 kref_init(&kobj->kref); in kobject_init_internal()
202 INIT_LIST_HEAD(&kobj->entry); in kobject_init_internal()
203 kobj->state_in_sysfs = 0; in kobject_init_internal()
204 kobj->state_add_uevent_sent = 0; in kobject_init_internal()
205 kobj->state_remove_uevent_sent = 0; in kobject_init_internal()
206 kobj->state_initialized = 1; in kobject_init_internal()
210 static int kobject_add_internal(struct kobject *kobj) in kobject_add_internal() argument
215 if (!kobj) in kobject_add_internal()
218 if (!kobj->name || !kobj->name[0]) { in kobject_add_internal()
221 kobj); in kobject_add_internal()
225 parent = kobject_get(kobj->parent); in kobject_add_internal()
228 if (kobj->kset) { in kobject_add_internal()
230 parent = kobject_get(&kobj->kset->kobj); in kobject_add_internal()
231 kobj_kset_join(kobj); in kobject_add_internal()
232 kobj->parent = parent; in kobject_add_internal()
236 kobject_name(kobj), kobj, __func__, in kobject_add_internal()
238 kobj->kset ? kobject_name(&kobj->kset->kobj) : "<NULL>"); in kobject_add_internal()
240 error = create_dir(kobj); in kobject_add_internal()
242 kobj_kset_leave(kobj); in kobject_add_internal()
244 kobj->parent = NULL; in kobject_add_internal()
249 __func__, kobject_name(kobj)); in kobject_add_internal()
252 __func__, kobject_name(kobj), error, in kobject_add_internal()
255 kobj->state_in_sysfs = 1; in kobject_add_internal()
266 int kobject_set_name_vargs(struct kobject *kobj, const char *fmt, in kobject_set_name_vargs() argument
271 if (kobj->name && !fmt) in kobject_set_name_vargs()
293 kfree_const(kobj->name); in kobject_set_name_vargs()
294 kobj->name = s; in kobject_set_name_vargs()
308 int kobject_set_name(struct kobject *kobj, const char *fmt, ...) in kobject_set_name() argument
314 retval = kobject_set_name_vargs(kobj, fmt, vargs); in kobject_set_name()
333 void kobject_init(struct kobject *kobj, const struct kobj_type *ktype) in kobject_init() argument
337 if (!kobj) { in kobject_init()
345 if (kobj->state_initialized) { in kobject_init()
348 kobj); in kobject_init()
352 kobject_init_internal(kobj); in kobject_init()
353 kobj->ktype = ktype; in kobject_init()
357 pr_err("kobject (%p): %s\n", kobj, err_str); in kobject_init()
362 static __printf(3, 0) int kobject_add_varg(struct kobject *kobj, in kobject_add_varg() argument
368 retval = kobject_set_name_vargs(kobj, fmt, vargs); in kobject_add_varg()
373 kobj->parent = parent; in kobject_add_varg()
374 return kobject_add_internal(kobj); in kobject_add_varg()
410 int kobject_add(struct kobject *kobj, struct kobject *parent, in kobject_add() argument
416 if (!kobj) in kobject_add()
419 if (!kobj->state_initialized) { in kobject_add()
421 kobject_name(kobj), kobj); in kobject_add()
426 retval = kobject_add_varg(kobj, parent, fmt, args); in kobject_add()
448 int kobject_init_and_add(struct kobject *kobj, const struct kobj_type *ktype, in kobject_init_and_add() argument
454 kobject_init(kobj, ktype); in kobject_init_and_add()
457 retval = kobject_add_varg(kobj, parent, fmt, args); in kobject_init_and_add()
474 int kobject_rename(struct kobject *kobj, const char *new_name) in kobject_rename() argument
482 kobj = kobject_get(kobj); in kobject_rename()
483 if (!kobj) in kobject_rename()
485 if (!kobj->parent) { in kobject_rename()
486 kobject_put(kobj); in kobject_rename()
490 devpath = kobject_get_path(kobj, GFP_KERNEL); in kobject_rename()
510 error = sysfs_rename_dir_ns(kobj, new_name, kobject_namespace(kobj)); in kobject_rename()
515 dup_name = kobj->name; in kobject_rename()
516 kobj->name = name; in kobject_rename()
521 kobject_uevent_env(kobj, KOBJ_MOVE, envp); in kobject_rename()
527 kobject_put(kobj); in kobject_rename()
538 int kobject_move(struct kobject *kobj, struct kobject *new_parent) in kobject_move() argument
546 kobj = kobject_get(kobj); in kobject_move()
547 if (!kobj) in kobject_move()
551 if (kobj->kset) in kobject_move()
552 new_parent = kobject_get(&kobj->kset->kobj); in kobject_move()
556 devpath = kobject_get_path(kobj, GFP_KERNEL); in kobject_move()
569 error = sysfs_move_dir_ns(kobj, new_parent, kobject_namespace(kobj)); in kobject_move()
572 old_parent = kobj->parent; in kobject_move()
573 kobj->parent = new_parent; in kobject_move()
576 kobject_uevent_env(kobj, KOBJ_MOVE, envp); in kobject_move()
579 kobject_put(kobj); in kobject_move()
586 static void __kobject_del(struct kobject *kobj) in __kobject_del() argument
591 sd = kobj->sd; in __kobject_del()
592 ktype = get_ktype(kobj); in __kobject_del()
595 sysfs_remove_groups(kobj, ktype->default_groups); in __kobject_del()
598 if (kobj->state_add_uevent_sent && !kobj->state_remove_uevent_sent) { in __kobject_del()
600 kobject_name(kobj), kobj); in __kobject_del()
601 kobject_uevent(kobj, KOBJ_REMOVE); in __kobject_del()
604 sysfs_remove_dir(kobj); in __kobject_del()
607 kobj->state_in_sysfs = 0; in __kobject_del()
608 kobj_kset_leave(kobj); in __kobject_del()
609 kobj->parent = NULL; in __kobject_del()
619 void kobject_del(struct kobject *kobj) in kobject_del() argument
623 if (!kobj) in kobject_del()
626 parent = kobj->parent; in kobject_del()
627 __kobject_del(kobj); in kobject_del()
636 struct kobject *kobject_get(struct kobject *kobj) in kobject_get() argument
638 if (kobj) { in kobject_get()
639 if (!kobj->state_initialized) in kobject_get()
642 kobject_name(kobj), kobj); in kobject_get()
643 kref_get(&kobj->kref); in kobject_get()
645 return kobj; in kobject_get()
649 struct kobject * __must_check kobject_get_unless_zero(struct kobject *kobj) in kobject_get_unless_zero() argument
651 if (!kobj) in kobject_get_unless_zero()
653 if (!kref_get_unless_zero(&kobj->kref)) in kobject_get_unless_zero()
654 kobj = NULL; in kobject_get_unless_zero()
655 return kobj; in kobject_get_unless_zero()
663 static void kobject_cleanup(struct kobject *kobj) in kobject_cleanup() argument
665 struct kobject *parent = kobj->parent; in kobject_cleanup()
666 const struct kobj_type *t = get_ktype(kobj); in kobject_cleanup()
667 const char *name = kobj->name; in kobject_cleanup()
670 kobject_name(kobj), kobj, __func__, kobj->parent); in kobject_cleanup()
674 kobject_name(kobj), kobj); in kobject_cleanup()
677 if (kobj->state_in_sysfs) { in kobject_cleanup()
679 kobject_name(kobj), kobj); in kobject_cleanup()
680 __kobject_del(kobj); in kobject_cleanup()
688 kobject_name(kobj), kobj); in kobject_cleanup()
689 t->release(kobj); in kobject_cleanup()
711 struct kobject *kobj = container_of(kref, struct kobject, kref); in kobject_release() local
715 kobject_name(kobj), kobj, __func__, kobj->parent, delay); in kobject_release()
716 INIT_DELAYED_WORK(&kobj->release, kobject_delayed_cleanup); in kobject_release()
718 schedule_delayed_work(&kobj->release, delay); in kobject_release()
720 kobject_cleanup(kobj); in kobject_release()
730 void kobject_put(struct kobject *kobj) in kobject_put() argument
732 if (kobj) { in kobject_put()
733 if (!kobj->state_initialized) in kobject_put()
736 kobject_name(kobj), kobj); in kobject_put()
737 kref_put(&kobj->kref, kobject_release); in kobject_put()
742 static void dynamic_kobj_release(struct kobject *kobj) in dynamic_kobj_release() argument
744 pr_debug("(%p): %s\n", kobj, __func__); in dynamic_kobj_release()
745 kfree(kobj); in dynamic_kobj_release()
766 struct kobject *kobj; in kobject_create() local
768 kobj = kzalloc(sizeof(*kobj), GFP_KERNEL); in kobject_create()
769 if (!kobj) in kobject_create()
772 kobject_init(kobj, &dynamic_kobj_ktype); in kobject_create()
773 return kobj; in kobject_create()
791 struct kobject *kobj; in kobject_create_and_add() local
794 kobj = kobject_create(); in kobject_create_and_add()
795 if (!kobj) in kobject_create_and_add()
798 retval = kobject_add(kobj, parent, "%s", name); in kobject_create_and_add()
801 kobject_put(kobj); in kobject_create_and_add()
802 kobj = NULL; in kobject_create_and_add()
804 return kobj; in kobject_create_and_add()
814 kobject_init_internal(&k->kobj); in kset_init()
820 static ssize_t kobj_attr_show(struct kobject *kobj, struct attribute *attr, in kobj_attr_show() argument
828 ret = kattr->show(kobj, kattr, buf); in kobj_attr_show()
832 static ssize_t kobj_attr_store(struct kobject *kobj, struct attribute *attr, in kobj_attr_store() argument
840 ret = kattr->store(kobj, kattr, buf, count); in kobj_attr_store()
864 if (!k->kobj.ktype) { in kset_register()
870 err = kobject_add_internal(&k->kobj); in kset_register()
872 kfree_const(k->kobj.name); in kset_register()
874 k->kobj.name = NULL; in kset_register()
877 kobject_uevent(&k->kobj, KOBJ_ADD); in kset_register()
890 kobject_del(&k->kobj); in kset_unregister()
891 kobject_put(&k->kobj); in kset_unregister()
923 static void kset_release(struct kobject *kobj) in kset_release() argument
925 struct kset *kset = container_of(kobj, struct kset, kobj); in kset_release()
927 kobject_name(kobj), kobj, __func__); in kset_release()
931 static void kset_get_ownership(const struct kobject *kobj, kuid_t *uid, kgid_t *gid) in kset_get_ownership() argument
933 if (kobj->parent) in kset_get_ownership()
934 kobject_get_ownership(kobj->parent, uid, gid); in kset_get_ownership()
968 retval = kobject_set_name(&kset->kobj, "%s", name); in kset_create()
974 kset->kobj.parent = parent_kobj; in kset_create()
981 kset->kobj.ktype = &kset_ktype; in kset_create()
982 kset->kobj.kset = NULL; in kset_create()
1069 const struct kobj_ns_type_operations *kobj_ns_ops(const struct kobject *kobj) in kobj_ns_ops() argument
1071 return kobj_child_ns_ops(kobj->parent); in kobj_ns_ops()