drivers/usb/core/usb.h

/* Functions local to drivers/usb/core/ */

extern void usb_create_sysfs_dev_files (struct usb_device *dev);
extern void usb_remove_sysfs_dev_files (struct usb_device *dev);
extern void usb_create_sysfs_intf_files (struct usb_interface *intf);
extern void usb_remove_sysfs_intf_files (struct usb_interface *intf);
extern void usb_create_ep_files(struct device *parent, struct usb_host_endpoint *endpoint,
				struct usb_device *udev);
extern void usb_remove_ep_files(struct usb_host_endpoint *endpoint);

extern void usb_disable_endpoint (struct usb_device *dev, unsigned int epaddr);
extern void usb_disable_interface (struct usb_device *dev,
		struct usb_interface *intf);
extern void usb_release_interface_cache(struct kref *ref);
extern void usb_disable_device (struct usb_device *dev, int skip_ep0);

extern int usb_get_device_descriptor(struct usb_device *dev,
		unsigned int size);
extern char *usb_cache_string(struct usb_device *udev, int index);
extern int usb_set_configuration(struct usb_device *dev, int configuration);

extern void usb_kick_khubd(struct usb_device *dev);
extern void usb_suspend_root_hub(struct usb_device *hdev);
extern void usb_resume_root_hub(struct usb_device *dev);

extern int  usb_hub_init(void);
extern void usb_hub_cleanup(void);
extern int usb_major_init(void);
extern void usb_major_cleanup(void);
extern int usb_host_init(void);
extern void usb_host_cleanup(void);

extern int usb_port_suspend(struct usb_device *dev);
extern int usb_port_resume(struct usb_device *dev);

extern struct device_driver usb_generic_driver;
extern int usb_generic_driver_data;
extern int usb_device_match(struct device *dev, struct device_driver *drv);

/* Interfaces and their "power state" are owned by usbcore */

static inline void mark_active(struct usb_interface *f)
{
	f->dev.power.power_state.event = PM_EVENT_ON;
}

static inline void mark_quiesced(struct usb_interface *f)
{
	f->dev.power.power_state.event = PM_EVENT_FREEZE;
}

static inline int is_active(struct usb_interface *f)
{
	return f->dev.power.power_state.event == PM_EVENT_ON;
}


/* for labeling diagnostics */
extern const char *usbcore_name;

/* usbfs stuff */
extern struct mutex usbfs_mutex;
extern struct usb_driver usbfs_driver;
extern struct file_operations usbfs_devices_fops;
extern struct file_operations usbfs_device_file_operations;
extern void usbfs_conn_disc_event(void);

extern int usbdev_init(void);
extern void usbdev_cleanup(void);

struct dev_state {
	struct list_head list;      /* state list */
	struct usb_device *dev;
	struct file *file;
	spinlock_t lock;            /* protects the async urb lists */
	struct list_head async_pending;
	struct list_head async_completed;
	wait_queue_head_t wait;     /* wake up if a request completed */
	unsigned int discsignr;
	pid_t disc_pid;
	uid_t disc_uid, disc_euid;
	void __user *disccontext;
	unsigned long ifclaimed;
	u32 secid;
};

/* internal notify stuff */
extern void usb_notify_add_device(struct usb_device *udev);
extern void usb_notify_remove_device(struct usb_device *udev);
extern void usb_notify_add_bus(struct usb_bus *ubus);
extern void usb_notify_remove_bus(struct usb_bus *ubus);