tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef S390_CCWGROUP_H
2#define S390_CCWGROUP_H
3
4struct ccw_device;
5struct ccw_driver;
6
7struct 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
19struct 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
33extern int ccwgroup_driver_register (struct ccwgroup_driver *cdriver);
34extern void ccwgroup_driver_unregister (struct ccwgroup_driver *cdriver);
35extern int ccwgroup_create (struct device *root,
36 unsigned int creator_id,
37 struct ccw_driver *gdrv,
38 int argc, char *argv[]);
39
40extern int ccwgroup_probe_ccwdev(struct ccw_device *cdev);
41extern 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