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Commit | Line | Data |
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1da177e4 LT |
1 | #ifndef S390_CCWGROUP_H |
2 | #define S390_CCWGROUP_H | |
3 | ||
4 | struct ccw_device; | |
5 | struct ccw_driver; | |
6 | ||
7 | struct ccwgroup_device { | |
8 | unsigned long creator_id; /* unique number of the driver */ | |
9 | enum { | |
10 | CCWGROUP_OFFLINE, | |
11 | CCWGROUP_ONLINE, | |
12 | } state; | |
13 | atomic_t onoff; | |
14 | unsigned int count; /* number of attached slave devices */ | |
15 | struct device dev; /* master device */ | |
16 | struct ccw_device *cdev[0]; /* variable number, allocate as needed */ | |
17 | }; | |
18 | ||
19 | struct ccwgroup_driver { | |
20 | struct module *owner; | |
21 | char *name; | |
22 | int max_slaves; | |
23 | unsigned long driver_id; | |
24 | ||
25 | int (*probe) (struct ccwgroup_device *); | |
26 | void (*remove) (struct ccwgroup_device *); | |
27 | int (*set_online) (struct ccwgroup_device *); | |
28 | int (*set_offline) (struct ccwgroup_device *); | |
29 | ||
30 | struct device_driver driver; /* this driver */ | |
31 | }; | |
32 | ||
33 | extern int ccwgroup_driver_register (struct ccwgroup_driver *cdriver); | |
34 | extern void ccwgroup_driver_unregister (struct ccwgroup_driver *cdriver); | |
35 | extern int ccwgroup_create (struct device *root, | |
36 | unsigned int creator_id, | |
37 | struct ccw_driver *gdrv, | |
38 | int argc, char *argv[]); | |
39 | ||
40 | extern int ccwgroup_probe_ccwdev(struct ccw_device *cdev); | |
41 | extern void ccwgroup_remove_ccwdev(struct ccw_device *cdev); | |
42 | ||
43 | #define to_ccwgroupdev(x) container_of((x), struct ccwgroup_device, dev) | |
44 | #define to_ccwgroupdrv(x) container_of((x), struct ccwgroup_driver, driver) | |
45 | #endif |