projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef S390_CCWGROUP_H |
| 2 | #define S390_CCWGROUP_H | |
| 3 | ||
| 4 | struct ccw_device; | |
| 5 | struct ccw_driver; | |
| 6 | ||
| b2ffd8e9 CH |
7 | /** |
| 8 | * struct ccwgroup_device - ccw group device | |
| 9 | * @creator_id: unique number of the driver | |
| 10 | * @state: online/offline state | |
| 11 | * @count: number of attached slave devices | |
| 12 | * @dev: embedded device structure | |
| 13 | * @cdev: variable number of slave devices, allocated as needed | |
| 14 | */ | |
| 1da177e4 | 15 | struct ccwgroup_device { |
| b2ffd8e9 | 16 | unsigned long creator_id; |
| 1da177e4 LT |
17 | enum { |
| 18 | CCWGROUP_OFFLINE, | |
| 19 | CCWGROUP_ONLINE, | |
| 20 | } state; | |
| b2ffd8e9 | 21 | /* private: */ |
| 1da177e4 | 22 | atomic_t onoff; |
| d76123eb | 23 | struct mutex reg_mutex; |
| b2ffd8e9 CH |
24 | /* public: */ |
| 25 | unsigned int count; | |
| 26 | struct device dev; | |
| 27 | struct ccw_device *cdev[0]; | |
| 1da177e4 LT |
28 | }; |
| 29 | ||
| b2ffd8e9 CH |
30 | /** |
| 31 | * struct ccwgroup_driver - driver for ccw group devices | |
| 32 | * @owner: driver owner | |
| 33 | * @name: driver name | |
| 34 | * @max_slaves: maximum number of slave devices | |
| 35 | * @driver_id: unique id | |
| 36 | * @probe: function called on probe | |
| 37 | * @remove: function called on remove | |
| 38 | * @set_online: function called when device is set online | |
| 39 | * @set_offline: function called when device is set offline | |
| 01bc8ad1 | 40 | * @shutdown: function called when device is shut down |
| b2ffd8e9 CH |
41 | * @driver: embedded driver structure |
| 42 | */ | |
| 1da177e4 LT |
43 | struct ccwgroup_driver { |
| 44 | struct module *owner; | |
| 45 | char *name; | |
| 46 | int max_slaves; | |
| 47 | unsigned long driver_id; | |
| 48 | ||
| 49 | int (*probe) (struct ccwgroup_device *); | |
| 50 | void (*remove) (struct ccwgroup_device *); | |
| 51 | int (*set_online) (struct ccwgroup_device *); | |
| 52 | int (*set_offline) (struct ccwgroup_device *); | |
| 01bc8ad1 | 53 | void (*shutdown)(struct ccwgroup_device *); |
| 1da177e4 | 54 | |
| b2ffd8e9 | 55 | struct device_driver driver; |
| 1da177e4 LT |
56 | }; |
| 57 | ||
| 58 | extern int ccwgroup_driver_register (struct ccwgroup_driver *cdriver); | |
| 59 | extern void ccwgroup_driver_unregister (struct ccwgroup_driver *cdriver); | |
| 60 | extern int ccwgroup_create (struct device *root, | |
| 61 | unsigned int creator_id, | |
| 62 | struct ccw_driver *gdrv, | |
| 63 | int argc, char *argv[]); | |
| 64 | ||
| 65 | extern int ccwgroup_probe_ccwdev(struct ccw_device *cdev); | |
| 66 | extern void ccwgroup_remove_ccwdev(struct ccw_device *cdev); | |
| 67 | ||
| 68 | #define to_ccwgroupdev(x) container_of((x), struct ccwgroup_device, dev) | |
| 69 | #define to_ccwgroupdrv(x) container_of((x), struct ccwgroup_driver, driver) | |
| 70 | #endif |