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b2ffd8e9a7
Comment a bunch of function in docbook style and convert existing comments on structures to docbook. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
69 lines
1.9 KiB
C
69 lines
1.9 KiB
C
#ifndef S390_CCWGROUP_H
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#define S390_CCWGROUP_H
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struct ccw_device;
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struct ccw_driver;
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/**
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* struct ccwgroup_device - ccw group device
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* @creator_id: unique number of the driver
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* @state: online/offline state
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* @count: number of attached slave devices
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* @dev: embedded device structure
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* @cdev: variable number of slave devices, allocated as needed
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*/
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struct ccwgroup_device {
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unsigned long creator_id;
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enum {
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CCWGROUP_OFFLINE,
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CCWGROUP_ONLINE,
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} state;
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/* private: */
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atomic_t onoff;
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struct mutex reg_mutex;
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/* public: */
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unsigned int count;
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struct device dev;
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struct ccw_device *cdev[0];
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};
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/**
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* struct ccwgroup_driver - driver for ccw group devices
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* @owner: driver owner
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* @name: driver name
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* @max_slaves: maximum number of slave devices
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* @driver_id: unique id
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* @probe: function called on probe
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* @remove: function called on remove
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* @set_online: function called when device is set online
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* @set_offline: function called when device is set offline
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* @driver: embedded driver structure
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*/
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struct ccwgroup_driver {
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struct module *owner;
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char *name;
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int max_slaves;
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unsigned long driver_id;
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int (*probe) (struct ccwgroup_device *);
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void (*remove) (struct ccwgroup_device *);
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int (*set_online) (struct ccwgroup_device *);
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int (*set_offline) (struct ccwgroup_device *);
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struct device_driver driver;
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};
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extern int ccwgroup_driver_register (struct ccwgroup_driver *cdriver);
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extern void ccwgroup_driver_unregister (struct ccwgroup_driver *cdriver);
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extern int ccwgroup_create (struct device *root,
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unsigned int creator_id,
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struct ccw_driver *gdrv,
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int argc, char *argv[]);
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extern int ccwgroup_probe_ccwdev(struct ccw_device *cdev);
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extern void ccwgroup_remove_ccwdev(struct ccw_device *cdev);
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#define to_ccwgroupdev(x) container_of((x), struct ccwgroup_device, dev)
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#define to_ccwgroupdrv(x) container_of((x), struct ccwgroup_driver, driver)
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#endif
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