| 123456789101112131415161718192021222324252627282930313233343536373839404142434445 |
- #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;
- 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
|
