1 #ifndef S390_CCWGROUP_H
2 #define S390_CCWGROUP_H
7 struct ccwgroup_device {
8 unsigned long creator_id; /* unique number of the driver */
14 struct mutex reg_mutex;
15 unsigned int count; /* number of attached slave devices */
16 struct device dev; /* master device */
17 struct ccw_device *cdev[0]; /* variable number, allocate as needed */
20 struct ccwgroup_driver {
24 unsigned long driver_id;
26 int (*probe) (struct ccwgroup_device *);
27 void (*remove) (struct ccwgroup_device *);
28 int (*set_online) (struct ccwgroup_device *);
29 int (*set_offline) (struct ccwgroup_device *);
31 struct device_driver driver; /* this driver */
34 extern int ccwgroup_driver_register (struct ccwgroup_driver *cdriver);
35 extern void ccwgroup_driver_unregister (struct ccwgroup_driver *cdriver);
36 extern int ccwgroup_create (struct device *root,
37 unsigned int creator_id,
38 struct ccw_driver *gdrv,
39 int argc, char *argv[]);
41 extern int ccwgroup_probe_ccwdev(struct ccw_device *cdev);
42 extern void ccwgroup_remove_ccwdev(struct ccw_device *cdev);
44 #define to_ccwgroupdev(x) container_of((x), struct ccwgroup_device, dev)
45 #define to_ccwgroupdrv(x) container_of((x), struct ccwgroup_driver, driver)