#define KOBJ_NAME_LEN 20
#define UEVENT_HELPER_PATH_LEN 256
+#define UEVENT_NUM_ENVP 32 /* number of env pointers */
+#define UEVENT_BUFFER_SIZE 2048 /* buffer for the variables */
/* path to the userspace helper executed on an event */
extern char uevent_helper[];
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];
struct attribute ** default_attrs;
};
+struct kobj_uevent_env {
+ char *envp[UEVENT_NUM_ENVP];
+ int envp_idx;
+ char buf[UEVENT_BUFFER_SIZE];
+ int buflen;
+};
-/**
- * kset - a set of kobjects of a specific type, belonging
+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,
+ struct kobj_uevent_env *env);
+};
+
+/*
+ * 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
* 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;
extern struct kobject * kset_find_obj(struct kset *, const char *);
-/**
+/*
* Use this when initializing an embedded kset with no other
* fields to initialize.
*/
/* 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
/**
* 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
int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
char *envp[]);
-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)));
+int add_uevent_var(struct kobj_uevent_env *env, const char *format, ...)
+ __attribute__((format (printf, 2, 3)));
#else
static inline int kobject_uevent(struct kobject *kobj, enum kobject_action action)
{ return 0; }
char *envp[])
{ return 0; }
-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, ...)
+static inline int add_uevent_var(struct kobj_uevent_env *env, const char *format, ...)
{ return 0; }
#endif