linux_module_learn/examples/include/lddbus.h

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2023-07-22 13:42:32 +08:00
/*
* Definitions for the virtual LDD bus.
*
* $Id: lddbus.h,v 1.4 2004/08/20 18:49:44 corbet Exp $
*/
//extern struct device ldd_bus;
extern struct bus_type ldd_bus_type;
/*
* The LDD driver type.
*/
struct ldd_driver {
char *version;
struct module *module;
struct device_driver driver;
struct driver_attribute version_attr;
};
#define to_ldd_driver(drv) container_of(drv, struct ldd_driver, driver);
/*
* A device type for things "plugged" into the LDD bus.
*/
struct ldd_device {
char *name;
struct ldd_driver *driver;
struct device dev;
};
#define to_ldd_device(dev) container_of(dev, struct ldd_device, dev);
extern int register_ldd_device(struct ldd_device *);
extern void unregister_ldd_device(struct ldd_device *);
extern int register_ldd_driver(struct ldd_driver *);
extern void unregister_ldd_driver(struct ldd_driver *);