migrate_timers: add comment, use spinlock_irq()
[linux-2.6/mini2440.git] / include / linux / dca.h
blobb00a753eda53e6af1e50e7d892defdcb402913d8
1 #ifndef DCA_H
2 #define DCA_H
3 /* DCA Provider API */
5 /* DCA Notifier Interface */
6 void dca_register_notify(struct notifier_block *nb);
7 void dca_unregister_notify(struct notifier_block *nb);
9 #define DCA_PROVIDER_ADD 0x0001
10 #define DCA_PROVIDER_REMOVE 0x0002
12 struct dca_provider {
13 struct list_head node;
14 struct dca_ops *ops;
15 struct device *cd;
16 int id;
19 struct dca_ops {
20 int (*add_requester) (struct dca_provider *, struct device *);
21 int (*remove_requester) (struct dca_provider *, struct device *);
22 u8 (*get_tag) (struct dca_provider *, struct device *,
23 int cpu);
24 int (*dev_managed) (struct dca_provider *, struct device *);
27 struct dca_provider *alloc_dca_provider(struct dca_ops *ops, int priv_size);
28 void free_dca_provider(struct dca_provider *dca);
29 int register_dca_provider(struct dca_provider *dca, struct device *dev);
30 void unregister_dca_provider(struct dca_provider *dca);
32 static inline void *dca_priv(struct dca_provider *dca)
34 return (void *)dca + sizeof(struct dca_provider);
37 /* Requester API */
38 #define DCA_GET_TAG_TWO_ARGS
39 int dca_add_requester(struct device *dev);
40 int dca_remove_requester(struct device *dev);
41 u8 dca_get_tag(int cpu);
42 u8 dca3_get_tag(struct device *dev, int cpu);
44 /* internal stuff */
45 int __init dca_sysfs_init(void);
46 void __exit dca_sysfs_exit(void);
47 int dca_sysfs_add_provider(struct dca_provider *dca, struct device *dev);
48 void dca_sysfs_remove_provider(struct dca_provider *dca);
49 int dca_sysfs_add_req(struct dca_provider *dca, struct device *dev, int slot);
50 void dca_sysfs_remove_req(struct dca_provider *dca, int slot);
52 #endif /* DCA_H */