Commit | Line | Data |
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7589670f SN |
1 | #ifndef DCA_H |
2 | #define DCA_H | |
3 | /* DCA Provider API */ | |
4 | ||
5 | /* DCA Notifier Interface */ | |
6 | void dca_register_notify(struct notifier_block *nb); | |
7 | void dca_unregister_notify(struct notifier_block *nb); | |
8 | ||
9 | #define DCA_PROVIDER_ADD 0x0001 | |
10 | #define DCA_PROVIDER_REMOVE 0x0002 | |
11 | ||
12 | struct dca_provider { | |
7f1b358a | 13 | struct list_head node; |
7589670f | 14 | struct dca_ops *ops; |
765cdb6c | 15 | struct device *cd; |
7589670f SN |
16 | int id; |
17 | }; | |
18 | ||
19 | struct dca_ops { | |
20 | int (*add_requester) (struct dca_provider *, struct device *); | |
21 | int (*remove_requester) (struct dca_provider *, struct device *); | |
7f1b358a MS |
22 | u8 (*get_tag) (struct dca_provider *, struct device *, |
23 | int cpu); | |
24 | int (*dev_managed) (struct dca_provider *, struct device *); | |
7589670f SN |
25 | }; |
26 | ||
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); | |
31 | ||
32 | static inline void *dca_priv(struct dca_provider *dca) | |
33 | { | |
34 | return (void *)dca + sizeof(struct dca_provider); | |
35 | } | |
36 | ||
37 | /* Requester API */ | |
7f1b358a | 38 | #define DCA_GET_TAG_TWO_ARGS |
7589670f SN |
39 | int dca_add_requester(struct device *dev); |
40 | int dca_remove_requester(struct device *dev); | |
41 | u8 dca_get_tag(int cpu); | |
7f1b358a | 42 | u8 dca3_get_tag(struct device *dev, int cpu); |
7589670f SN |
43 | |
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); | |
51 | ||
52 | #endif /* DCA_H */ |