diff options
Diffstat (limited to 'include/linux/kobject.h')
| -rw-r--r-- | include/linux/kobject.h | 60 |
1 files changed, 36 insertions, 24 deletions
diff --git a/include/linux/kobject.h b/include/linux/kobject.h index c288e41ba331..949706c33622 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -36,17 +36,29 @@ extern char uevent_helper[]; /* counter to tag the uevent, read only except for the kobject core */ extern u64 uevent_seqnum; -/* the actions here must match the proper string in lib/kobject_uevent.c */ -typedef int __bitwise kobject_action_t; +/* + * The actions here must match the index to the string array + * in lib/kobject_uevent.c + * + * Do not add new actions here without checking with the driver-core + * maintainers. Action strings are not meant to express subsystem + * or device specific properties. In most cases you want to send a + * kobject_uevent_env(kobj, KOBJ_CHANGE, env) with additional event + * specific variables added to the event environment. + */ enum kobject_action { - KOBJ_ADD = (__force kobject_action_t) 0x01, /* exclusive to core */ - KOBJ_REMOVE = (__force kobject_action_t) 0x02, /* exclusive to core */ - KOBJ_CHANGE = (__force kobject_action_t) 0x03, /* device state change */ - KOBJ_OFFLINE = (__force kobject_action_t) 0x04, /* device offline */ - KOBJ_ONLINE = (__force kobject_action_t) 0x05, /* device online */ - KOBJ_MOVE = (__force kobject_action_t) 0x06, /* device move */ + KOBJ_ADD, + KOBJ_REMOVE, + KOBJ_CHANGE, + KOBJ_MOVE, + KOBJ_ONLINE, + KOBJ_OFFLINE, + KOBJ_MAX }; +/* The list of strings defining the valid kobject actions as specified above */ +extern const char *kobject_actions[]; + struct kobject { const char * k_name; char name[KOBJ_NAME_LEN]; @@ -55,7 +67,7 @@ struct kobject { struct kobject * parent; struct kset * kset; struct kobj_type * ktype; - struct dentry * dentry; + struct sysfs_dirent * sd; wait_queue_head_t poll; }; @@ -71,13 +83,14 @@ extern void kobject_init(struct kobject *); extern void kobject_cleanup(struct kobject *); extern int __must_check kobject_add(struct kobject *); -extern int __must_check kobject_shadow_add(struct kobject *, struct dentry *); +extern int __must_check kobject_shadow_add(struct kobject *kobj, + struct sysfs_dirent *shadow_parent); extern void kobject_del(struct kobject *); extern int __must_check kobject_rename(struct kobject *, const char *new_name); extern int __must_check kobject_shadow_rename(struct kobject *kobj, - struct dentry *new_parent, - const char *new_name); + struct sysfs_dirent *new_parent, + const char *new_name); extern int __must_check kobject_move(struct kobject *, struct kobject *); extern int __must_check kobject_register(struct kobject *); @@ -98,9 +111,15 @@ struct kobj_type { struct attribute ** default_attrs; }; +struct kset_uevent_ops { + int (*filter)(struct kset *kset, struct kobject *kobj); + const char *(*name)(struct kset *kset, struct kobject *kobj); + int (*uevent)(struct kset *kset, struct kobject *kobj, char **envp, + int num_envp, char *buffer, int buffer_size); +}; -/** - * kset - a set of kobjects of a specific type, belonging +/* + * struct kset - a set of kobjects of a specific type, belonging * to a specific subsystem. * * All kobjects of a kset should be embedded in an identical @@ -116,13 +135,6 @@ struct kobj_type { * supress the event generation or add subsystem specific * variables carried with the event. */ -struct kset_uevent_ops { - int (*filter)(struct kset *kset, struct kobject *kobj); - const char *(*name)(struct kset *kset, struct kobject *kobj); - int (*uevent)(struct kset *kset, struct kobject *kobj, char **envp, - int num_envp, char *buffer, int buffer_size); -}; - struct kset { struct kobj_type * ktype; struct list_head list; @@ -163,7 +175,7 @@ static inline struct kobj_type * get_ktype(struct kobject * k) extern struct kobject * kset_find_obj(struct kset *, const char *); -/** +/* * Use this when initializing an embedded kset with no other * fields to initialize. */ @@ -188,7 +200,7 @@ extern struct kset kernel_subsys; /* The global /sys/hypervisor/ subsystem */ extern struct kset hypervisor_subsys; -/** +/* * Helpers for setting the kset of registered objects. * Often, a registered object belongs to a kset embedded in a * subsystem. These do no magic, just make the resulting code @@ -223,7 +235,7 @@ extern struct kset hypervisor_subsys; /** * subsys_set_kset(obj,subsys) - set kset for subsystem * @obj: ptr to some object type. - * @subsys: a subsystem object (not a ptr). + * @_subsys: a subsystem object (not a ptr). * * Can be used for any object type with an embedded ->subsys. * Sets the kset of @obj's kobject to @subsys.kset. This makes |