1 files changed, 34 insertions, 20 deletions

diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index 7f7403aa4a417c..2a8d8da709618c 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -23,14 +23,27 @@
 #include <linux/spinlock.h>
 #include <linux/rwsem.h>
 #include <linux/kref.h>
-#include <linux/kobject_uevent.h>
 #include <linux/kernel.h>
 #include <asm/atomic.h>
 
-#define KOBJ_NAME_LEN	20
+#define KOBJ_NAME_LEN			20
+#define UEVENT_HELPER_PATH_LEN		256
 
-/* counter to tag the hotplug event, read only except for the kobject core */
-extern u64 hotplug_seqnum;
+/* path to the userspace helper executed on an event */
+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;
+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 */
+};
 
 struct kobject {
 	const char		* k_name;
@@ -87,15 +100,14 @@ struct kobj_type {
  *	of object; multiple ksets can belong to one subsystem. All 
  *	ksets of a subsystem share the subsystem's lock.
  *
- *      Each kset can support hotplugging; if it does, it will be given
- *      the opportunity to filter out specific kobjects from being
- *      reported, as well as to add its own "data" elements to the
- *      environment being passed to the hotplug helper.
+ *	Each kset can support specific event variables; it can
+ *	supress the event generation or add subsystem specific
+ *	variables carried with the event.
  */
-struct kset_hotplug_ops {
+struct kset_uevent_ops {
 	int (*filter)(struct kset *kset, struct kobject *kobj);
 	const char *(*name)(struct kset *kset, struct kobject *kobj);
-	int (*hotplug)(struct kset *kset, struct kobject *kobj, char **envp,
+	int (*uevent)(struct kset *kset, struct kobject *kobj, char **envp,
 			int num_envp, char *buffer, int buffer_size);
 };
 
@@ -105,7 +117,7 @@ struct kset {
 	struct list_head	list;
 	spinlock_t		list_lock;
 	struct kobject		kobj;
-	struct kset_hotplug_ops	* hotplug_ops;
+	struct kset_uevent_ops	* uevent_ops;
 };
 
 
@@ -153,20 +165,20 @@ struct subsystem {
 	struct rw_semaphore	rwsem;
 };
 
-#define decl_subsys(_name,_type,_hotplug_ops) \
+#define decl_subsys(_name,_type,_uevent_ops) \
 struct subsystem _name##_subsys = { \
 	.kset = { \
 		.kobj = { .name = __stringify(_name) }, \
 		.ktype = _type, \
-		.hotplug_ops =_hotplug_ops, \
+		.uevent_ops =_uevent_ops, \
 	} \
 }
-#define decl_subsys_name(_varname,_name,_type,_hotplug_ops) \
+#define decl_subsys_name(_varname,_name,_type,_uevent_ops) \
 struct subsystem _varname##_subsys = { \
 	.kset = { \
 		.kobj = { .name = __stringify(_name) }, \
 		.ktype = _type, \
-		.hotplug_ops =_hotplug_ops, \
+		.uevent_ops =_uevent_ops, \
 	} \
 }
 
@@ -241,15 +253,17 @@ struct subsys_attribute {
 extern int subsys_create_file(struct subsystem * , struct subsys_attribute *);
 extern void subsys_remove_file(struct subsystem * , struct subsys_attribute *);
 
-#ifdef CONFIG_HOTPLUG
-void kobject_hotplug(struct kobject *kobj, enum kobject_action action);
-int add_hotplug_env_var(char **envp, int num_envp, int *cur_index,
+#if defined(CONFIG_HOTPLUG) & defined(CONFIG_NET)
+void kobject_uevent(struct kobject *kobj, enum kobject_action action);
+
+int add_uevent_var(char **envp, int num_envp, int *cur_index,
 			char *buffer, int buffer_size, int *cur_len,
 			const char *format, ...)
 	__attribute__((format (printf, 7, 8)));
 #else
-static inline void kobject_hotplug(struct kobject *kobj, enum kobject_action action) { }
-static inline int add_hotplug_env_var(char **envp, int num_envp, int *cur_index, 
+static inline void kobject_uevent(struct kobject *kobj, enum kobject_action action) { }
+
+static inline int add_uevent_var(char **envp, int num_envp, int *cur_index,
 				      char *buffer, int buffer_size, int *cur_len, 
 				      const char *format, ...)
 { return 0; }