| Shannon Nelson | 7589670 | 2007-10-16 01:27:41 -0700 | [diff] [blame] | 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 { |
| 13 | struct dca_ops *ops; |
| 14 | struct class_device *cd; |
| 15 | int id; |
| 16 | }; |
| 17 | |
| 18 | struct 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 | |
| 24 | struct dca_provider *alloc_dca_provider(struct dca_ops *ops, int priv_size); |
| 25 | void free_dca_provider(struct dca_provider *dca); |
| 26 | int register_dca_provider(struct dca_provider *dca, struct device *dev); |
| 27 | void unregister_dca_provider(struct dca_provider *dca); |
| 28 | |
| 29 | static inline void *dca_priv(struct dca_provider *dca) |
| 30 | { |
| 31 | return (void *)dca + sizeof(struct dca_provider); |
| 32 | } |
| 33 | |
| 34 | /* Requester API */ |
| 35 | int dca_add_requester(struct device *dev); |
| 36 | int dca_remove_requester(struct device *dev); |
| 37 | u8 dca_get_tag(int cpu); |
| 38 | |
| 39 | /* internal stuff */ |
| 40 | int __init dca_sysfs_init(void); |
| 41 | void __exit dca_sysfs_exit(void); |
| 42 | int dca_sysfs_add_provider(struct dca_provider *dca, struct device *dev); |
| 43 | void dca_sysfs_remove_provider(struct dca_provider *dca); |
| 44 | int dca_sysfs_add_req(struct dca_provider *dca, struct device *dev, int slot); |
| 45 | void dca_sysfs_remove_req(struct dca_provider *dca, int slot); |
| 46 | |
| 47 | #endif /* DCA_H */ |