blob: 83eaecc6f8abd4a9d3255cc73299d4220bd70f62 [file] [log] [blame]
Shannon Nelson75896702007-10-16 01:27:41 -07001#ifndef DCA_H
2#define DCA_H
3/* DCA Provider API */
4
5/* DCA Notifier Interface */
6void dca_register_notify(struct notifier_block *nb);
7void dca_unregister_notify(struct notifier_block *nb);
8
9#define DCA_PROVIDER_ADD 0x0001
10#define DCA_PROVIDER_REMOVE 0x0002
11
12struct dca_provider {
13 struct dca_ops *ops;
14 struct class_device *cd;
15 int id;
16};
17
18struct dca_ops {
19 int (*add_requester) (struct dca_provider *, struct device *);
20 int (*remove_requester) (struct dca_provider *, struct device *);
21 u8 (*get_tag) (struct dca_provider *, int cpu);
22};
23
24struct dca_provider *alloc_dca_provider(struct dca_ops *ops, int priv_size);
25void free_dca_provider(struct dca_provider *dca);
26int register_dca_provider(struct dca_provider *dca, struct device *dev);
27void unregister_dca_provider(struct dca_provider *dca);
28
29static inline void *dca_priv(struct dca_provider *dca)
30{
31 return (void *)dca + sizeof(struct dca_provider);
32}
33
34/* Requester API */
35int dca_add_requester(struct device *dev);
36int dca_remove_requester(struct device *dev);
37u8 dca_get_tag(int cpu);
38
39/* internal stuff */
40int __init dca_sysfs_init(void);
41void __exit dca_sysfs_exit(void);
42int dca_sysfs_add_provider(struct dca_provider *dca, struct device *dev);
43void dca_sysfs_remove_provider(struct dca_provider *dca);
44int dca_sysfs_add_req(struct dca_provider *dca, struct device *dev, int slot);
45void dca_sysfs_remove_req(struct dca_provider *dca, int slot);
46
47#endif /* DCA_H */