diff options
Diffstat (limited to 'include/asm-s390/ccwgroup.h')
| -rw-r--r-- | include/asm-s390/ccwgroup.h | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/include/asm-s390/ccwgroup.h b/include/asm-s390/ccwgroup.h index 925b3ddfa14..7109c7cab87 100644 --- a/include/asm-s390/ccwgroup.h +++ b/include/asm-s390/ccwgroup.h @@ -4,19 +4,41 @@ struct ccw_device; struct ccw_driver; +/** + * struct ccwgroup_device - ccw group device + * @creator_id: unique number of the driver + * @state: online/offline state + * @count: number of attached slave devices + * @dev: embedded device structure + * @cdev: variable number of slave devices, allocated as needed + */ struct ccwgroup_device { - unsigned long creator_id; /* unique number of the driver */ + unsigned long creator_id; enum { CCWGROUP_OFFLINE, CCWGROUP_ONLINE, } state; +/* private: */ 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 */ +/* public: */ + unsigned int count; + struct device dev; + struct ccw_device *cdev[0]; }; +/** + * struct ccwgroup_driver - driver for ccw group devices + * @owner: driver owner + * @name: driver name + * @max_slaves: maximum number of slave devices + * @driver_id: unique id + * @probe: function called on probe + * @remove: function called on remove + * @set_online: function called when device is set online + * @set_offline: function called when device is set offline + * @driver: embedded driver structure + */ struct ccwgroup_driver { struct module *owner; char *name; @@ -28,7 +50,7 @@ struct ccwgroup_driver { int (*set_online) (struct ccwgroup_device *); int (*set_offline) (struct ccwgroup_device *); - struct device_driver driver; /* this driver */ + struct device_driver driver; }; extern int ccwgroup_driver_register (struct ccwgroup_driver *cdriver); |