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#ifndef S390_CCWGROUP_H
#define S390_CCWGROUP_H
struct ccw_device;
struct ccw_driver;
struct ccwgroup_device {
unsigned long creator_id; /* unique number of the driver */
enum {
CCWGROUP_OFFLINE,
CCWGROUP_ONLINE,
} state;
atomic_t onoff;
struct mutex reg_mutex;
unsigned int count; /* number of attached slave devices */
struct device dev; /* master device */
struct ccw_device *cdev[0]; /* variable number, allocate as needed */
};
struct ccwgroup_driver {
struct module *owner;
char *name;
int max_slaves;
unsigned long driver_id;
int (*probe) (struct ccwgroup_device *);
void (*remove) (struct ccwgroup_device *);
int (*set_online) (struct ccwgroup_device *);
int (*set_offline) (struct ccwgroup_device *);
struct device_driver driver; /* this driver */
};
extern int ccwgroup_driver_register (struct ccwgroup_driver *cdriver);
extern void ccwgroup_driver_unregister (struct ccwgroup_driver *cdriver);
extern int ccwgroup_create (struct device *root,
unsigned int creator_id,
struct ccw_driver *gdrv,
int argc, char *argv[]);
extern int ccwgroup_probe_ccwdev(struct ccw_device *cdev);
extern void ccwgroup_remove_ccwdev(struct ccw_device *cdev);
#define to_ccwgroupdev(x) container_of((x), struct ccwgroup_device, dev)
#define to_ccwgroupdrv(x) container_of((x), struct ccwgroup_driver, driver)
#endif
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