1 files changed, 75 insertions, 109 deletions

diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index 4a0d27f475d7..caa3f411f15d 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -3,15 +3,14 @@
  *
  * Copyright (c) 2002-2003 Patrick Mochel
  * Copyright (c) 2002-2003 Open Source Development Labs
- * Copyright (c) 2006-2007 Greg Kroah-Hartman <greg@kroah.com>
- * Copyright (c) 2006-2007 Novell Inc.
+ * Copyright (c) 2006-2008 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (c) 2006-2008 Novell Inc.
  *
  * This file is released under the GPLv2.
  *
- * 
  * Please read Documentation/kobject.txt before using the kobject
  * interface, ESPECIALLY the parts about reference counts and object
- * destructors. 
+ * destructors.
  */
 
 #ifndef _KOBJECT_H_
@@ -61,48 +60,54 @@ enum kobject_action {
 };
 
 struct kobject {
-        const char              * k_name;
+        const char              *name;
         struct kref             kref;
         struct list_head        entry;
-        struct kobject          * parent;
-        struct kset             * kset;
-        struct kobj_type        * ktype;
-        struct sysfs_dirent     * sd;
+        struct kobject          *parent;
+        struct kset             *kset;
+        struct kobj_type        *ktype;
+        struct sysfs_dirent     *sd;
+        unsigned int state_initialized:1;
+        unsigned int state_in_sysfs:1;
+        unsigned int state_add_uevent_sent:1;
+        unsigned int state_remove_uevent_sent:1;
 };
 
-extern int kobject_set_name(struct kobject *, const char *, ...)
-        __attribute__((format(printf,2,3)));
+extern int kobject_set_name(struct kobject *kobj, const char *name, ...)
+                            __attribute__((format(printf, 2, 3)));
 
-static inline const char * kobject_name(const struct kobject * kobj)
+static inline const char *kobject_name(const struct kobject *kobj)
 {
-        return kobj->k_name;
+        return kobj->name;
 }
 
-extern void kobject_init(struct kobject *);
-extern void kobject_cleanup(struct kobject *);
+extern void kobject_init(struct kobject *kobj, struct kobj_type *ktype);
+extern int __must_check kobject_add(struct kobject *kobj,
+                                    struct kobject *parent,
+                                    const char *fmt, ...);
+extern int __must_check kobject_init_and_add(struct kobject *kobj,
+                                             struct kobj_type *ktype,
+                                             struct kobject *parent,
+                                             const char *fmt, ...);
+
+extern void kobject_del(struct kobject *kobj);
 
-extern int __must_check kobject_add(struct kobject *);
-extern void kobject_del(struct kobject *);
+extern struct kobject * __must_check kobject_create(void);
+extern struct kobject * __must_check kobject_create_and_add(const char *name,
+                                                struct kobject *parent);
 
 extern int __must_check kobject_rename(struct kobject *, const char *new_name);
 extern int __must_check kobject_move(struct kobject *, struct kobject *);
 
-extern int __must_check kobject_register(struct kobject *);
-extern void kobject_unregister(struct kobject *);
-
-extern struct kobject * kobject_get(struct kobject *);
-extern void kobject_put(struct kobject *);
-
-extern struct kobject *kobject_kset_add_dir(struct kset *kset,
-                                            struct kobject *, const char *);
-extern struct kobject *kobject_add_dir(struct kobject *, const char *);
+extern struct kobject *kobject_get(struct kobject *kobj);
+extern void kobject_put(struct kobject *kobj);
 
-extern char * kobject_get_path(struct kobject *, gfp_t);
+extern char *kobject_get_path(struct kobject *kobj, gfp_t flag);
 
 struct kobj_type {
-        void (*release)(struct kobject *);
-        struct sysfs_ops        * sysfs_ops;
-        struct attribute        ** default_attrs;
+        void (*release)(struct kobject *kobj);
+        struct sysfs_ops *sysfs_ops;
+        struct attribute **default_attrs;
 };
 
 struct kobj_uevent_env {
@@ -119,6 +124,16 @@ struct kset_uevent_ops {
                       struct kobj_uevent_env *env);
 };
 
+struct kobj_attribute {
+        struct attribute attr;
+        ssize_t (*show)(struct kobject *kobj, struct kobj_attribute *attr,
+                        char *buf);
+        ssize_t (*store)(struct kobject *kobj, struct kobj_attribute *attr,
+                         const char *buf, size_t count);
+};
+
+extern struct sysfs_ops kobj_sysfs_ops;
+
 /**
  * struct kset - a set of kobjects of a specific type, belonging to a specific subsystem.
  *
@@ -128,7 +143,6 @@ struct kset_uevent_ops {
  * define the attribute callbacks and other common events that happen to
  * a kobject.
  *
- * @ktype: the struct kobj_type for this specific kset
  * @list: the list of all kobjects for this kset
  * @list_lock: a lock for iterating over the kobjects
  * @kobj: the embedded kobject for this kset (recursion, isn't it fun...)
@@ -138,99 +152,49 @@ struct kset_uevent_ops {
  * desired.
  */
 struct kset {
-        struct kobj_type        *ktype;
-        struct list_head        list;
-        spinlock_t              list_lock;
-        struct kobject          kobj;
-        struct kset_uevent_ops  *uevent_ops;
+        struct list_head list;
+        spinlock_t list_lock;
+        struct kobject kobj;
+        struct kset_uevent_ops *uevent_ops;
 };
 
+extern void kset_init(struct kset *kset);
+extern int __must_check kset_register(struct kset *kset);
+extern void kset_unregister(struct kset *kset);
+extern struct kset * __must_check kset_create_and_add(const char *name,
+                                                struct kset_uevent_ops *u,
+                                                struct kobject *parent_kobj);
 
-extern void kset_init(struct kset * k);
-extern int __must_check kset_add(struct kset * k);
-extern int __must_check kset_register(struct kset * k);
-extern void kset_unregister(struct kset * k);
-
-static inline struct kset * to_kset(struct kobject * kobj)
+static inline struct kset *to_kset(struct kobject *kobj)
 {
-        return kobj ? container_of(kobj,struct kset,kobj) : NULL;
+        return kobj ? container_of(kobj, struct kset, kobj) : NULL;
 }
 
-static inline struct kset * kset_get(struct kset * k)
+static inline struct kset *kset_get(struct kset *k)
 {
         return k ? to_kset(kobject_get(&k->kobj)) : NULL;
 }
 
-static inline void kset_put(struct kset * k)
+static inline void kset_put(struct kset *k)
 {
         kobject_put(&k->kobj);
 }
 
-static inline struct kobj_type * get_ktype(struct kobject * k)
+static inline struct kobj_type *get_ktype(struct kobject *kobj)
 {
-        if (k->kset && k->kset->ktype)
-                return k->kset->ktype;
-        else 
-                return k->ktype;
+        return kobj->ktype;
 }
 
-extern struct kobject * kset_find_obj(struct kset *, const char *);
-
-
-/*
- * Use this when initializing an embedded kset with no other 
- * fields to initialize.
- */
-#define set_kset_name(str)      .kset = { .kobj = { .k_name = str } }
-
-
-#define decl_subsys(_name,_type,_uevent_ops) \
-struct kset _name##_subsys = { \
-        .kobj = { .k_name = __stringify(_name) }, \
-        .ktype = _type, \
-        .uevent_ops =_uevent_ops, \
-}
-#define decl_subsys_name(_varname,_name,_type,_uevent_ops) \
-struct kset _varname##_subsys = { \
-        .kobj = { .k_name = __stringify(_name) }, \
-        .ktype = _type, \
-        .uevent_ops =_uevent_ops, \
-}
-
-/* The global /sys/kernel/ subsystem for people to chain off of */
-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
- * easier to follow. 
- */
-
-/**
- *      kobj_set_kset_s(obj,subsys) - set kset for embedded kobject.
- *      @obj:           ptr to some object type.
- *      @subsys:        a subsystem object (not a ptr).
- *
- *      Can be used for any object type with an embedded ->kobj.
- */
-
-#define kobj_set_kset_s(obj,subsys) \
-        (obj)->kobj.kset = &(subsys)
-
-extern int __must_check subsystem_register(struct kset *);
-extern void subsystem_unregister(struct kset *);
-
-struct subsys_attribute {
-        struct attribute attr;
-        ssize_t (*show)(struct kset *, char *);
-        ssize_t (*store)(struct kset *, const char *, size_t);
-};
+extern struct kobject *kset_find_obj(struct kset *, const char *);
 
-extern int __must_check subsys_create_file(struct kset *,
-                                        struct subsys_attribute *);
+/* The global /sys/kernel/ kobject for people to chain off of */
+extern struct kobject *kernel_kobj;
+/* The global /sys/hypervisor/ kobject for people to chain off of */
+extern struct kobject *hypervisor_kobj;
+/* The global /sys/power/ kobject for people to chain off of */
+extern struct kobject *power_kobj;
+/* The global /sys/firmware/ kobject for people to chain off of */
+extern struct kobject *firmware_kobj;
 
 #if defined(CONFIG_HOTPLUG)
 int kobject_uevent(struct kobject *kobj, enum kobject_action action);
@@ -243,18 +207,20 @@ int add_uevent_var(struct kobj_uevent_env *env, const char *format, ...)
 int kobject_action_type(const char *buf, size_t count,
                         enum kobject_action *type);
 #else
-static inline int kobject_uevent(struct kobject *kobj, enum kobject_action action)
+static inline int kobject_uevent(struct kobject *kobj,
+                                 enum kobject_action action)
 { return 0; }
 static inline int kobject_uevent_env(struct kobject *kobj,
                                       enum kobject_action action,
                                       char *envp[])
 { return 0; }
 
-static inline int add_uevent_var(struct kobj_uevent_env *env, const char *format, ...)
+static inline int add_uevent_var(struct kobj_uevent_env *env,
+                                 const char *format, ...)
 { return 0; }
 
 static inline int kobject_action_type(const char *buf, size_t count,
-                        enum kobject_action *type)
+                                      enum kobject_action *type)
 { return -EINVAL; }
 #endif