Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1#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 list_head node;
14 struct dca_ops *ops;
15 struct device *cd;
16 int id;
17};
18
19struct 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 *);
25};
26
27struct dca_provider *alloc_dca_provider(struct dca_ops *ops, int priv_size);
28void free_dca_provider(struct dca_provider *dca);
29int register_dca_provider(struct dca_provider *dca, struct device *dev);
30void unregister_dca_provider(struct dca_provider *dca);
31
32static inline void *dca_priv(struct dca_provider *dca)
33{
34 return (void *)dca + sizeof(struct dca_provider);
35}
36
37/* Requester API */
38#define DCA_GET_TAG_TWO_ARGS
39int dca_add_requester(struct device *dev);
40int dca_remove_requester(struct device *dev);
41u8 dca_get_tag(int cpu);
42u8 dca3_get_tag(struct device *dev, int cpu);
43
44/* internal stuff */
45int __init dca_sysfs_init(void);
46void __exit dca_sysfs_exit(void);
47int dca_sysfs_add_provider(struct dca_provider *dca, struct device *dev);
48void dca_sysfs_remove_provider(struct dca_provider *dca);
49int dca_sysfs_add_req(struct dca_provider *dca, struct device *dev, int slot);
50void dca_sysfs_remove_req(struct dca_provider *dca, int slot);
51
52#endif /* DCA_H */