base.h

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#include <linux/notifier.h>

struct subsys_private {
    struct kset subsys;
    struct kset *devices_kset;
    struct list_head interfaces;
    struct mutex mutex;

    struct kset *drivers_kset;
    struct klist klist_devices;
    struct klist klist_drivers;
    struct blocking_notifier_head bus_notifier;
    unsigned int drivers_autoprobe:1;
    struct bus_type *bus;

    struct kset glue_dirs;
    struct class *class;
};
#define to_subsys_private(obj) container_of(obj, struct subsys_private, subsys.kobj)

struct driver_private {
    struct kobject kobj;
    struct klist klist_devices;
    struct klist_node knode_bus;
    struct module_kobject *mkobj;
    struct device_driver *driver;
};
#define to_driver(obj) container_of(obj, struct driver_private, kobj)

struct device_private {
    struct klist klist_children;
    struct klist_node knode_parent;
    struct klist_node knode_driver;
    struct klist_node knode_bus;
    struct list_head deferred_probe;
    void *driver_data;
    struct device *device;
};
#define to_device_private_parent(obj)   \
    container_of(obj, struct device_private, knode_parent)
#define to_device_private_driver(obj)   \
    container_of(obj, struct device_private, knode_driver)
#define to_device_private_bus(obj)  \
    container_of(obj, struct device_private, knode_bus)

extern int device_private_init(struct device *dev);

/* initialisation functions */
extern int devices_init(void);
extern int buses_init(void);
extern int classes_init(void);
extern int firmware_init(void);
#ifdef CONFIG_SYS_HYPERVISOR
extern int hypervisor_init(void);
#else
static inline int hypervisor_init(void) { return 0; }
#endif
extern int platform_bus_init(void);
extern void cpu_dev_init(void);

extern int bus_add_device(struct device *dev);
extern void bus_probe_device(struct device *dev);
extern void bus_remove_device(struct device *dev);

extern int bus_add_driver(struct device_driver *drv);
extern void bus_remove_driver(struct device_driver *drv);

extern void driver_detach(struct device_driver *drv);
extern int driver_probe_device(struct device_driver *drv, struct device *dev);
extern void driver_deferred_probe_del(struct device *dev);
static inline int driver_match_device(struct device_driver *drv,
                      struct device *dev)
{
    return drv->bus->match ? drv->bus->match(dev, drv) : 1;
}

extern char *make_class_name(const char *name, struct kobject *kobj);

extern int devres_release_all(struct device *dev);

/* /sys/devices directory */
extern struct kset *devices_kset;

#if defined(CONFIG_MODULES) && defined(CONFIG_SYSFS)
extern void module_add_driver(struct module *mod, struct device_driver *drv);
extern void module_remove_driver(struct device_driver *drv);
#else
static inline void module_add_driver(struct module *mod,
                     struct device_driver *drv) { }
static inline void module_remove_driver(struct device_driver *drv) { }
#endif

#ifdef CONFIG_DEVTMPFS
extern int devtmpfs_init(void);
#else
static inline int devtmpfs_init(void) { return 0; }
#endif