diff options
Diffstat (limited to 'include/linux/kobject.h')
| -rw-r--r-- | include/linux/kobject.h | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/include/linux/kobject.h b/include/linux/kobject.h index 7f7403aa4a41..baf5251d9f63 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -23,15 +23,31 @@ #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 HOTPLUG_PATH_LEN 256 + +/* path to the userspace helper executed on an event */ +extern char hotplug_path[]; + /* counter to tag the hotplug event, read only except for the kobject core */ extern u64 hotplug_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, /* add event, for hotplug */ + KOBJ_REMOVE = (__force kobject_action_t) 0x02, /* remove event, for hotplug */ + KOBJ_CHANGE = (__force kobject_action_t) 0x03, /* a sysfs attribute file has changed */ + KOBJ_MOUNT = (__force kobject_action_t) 0x04, /* mount event for block devices */ + KOBJ_UMOUNT = (__force kobject_action_t) 0x05, /* umount event for block devices */ + KOBJ_OFFLINE = (__force kobject_action_t) 0x06, /* offline event for hotplug devices */ + KOBJ_ONLINE = (__force kobject_action_t) 0x07, /* online event for hotplug devices */ +}; + struct kobject { const char * k_name; char name[KOBJ_NAME_LEN]; @@ -243,16 +259,33 @@ 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, char *buffer, int buffer_size, int *cur_len, const char *format, ...) __attribute__((format (printf, 7, 8))); + +int kobject_uevent(struct kobject *kobj, + enum kobject_action action, + struct attribute *attr); +int kobject_uevent_atomic(struct kobject *kobj, + enum kobject_action action, + struct attribute *attr); + #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, char *buffer, int buffer_size, int *cur_len, const char *format, ...) { return 0; } +int kobject_uevent(struct kobject *kobj, + enum kobject_action action, + struct attribute *attr) +{ return 0; } +int kobject_uevent_atomic(struct kobject *kobj, + enum kobject_action action, + struct attribute *attr) +{ return 0; } #endif #endif /* __KERNEL__ */ |