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#ifndef DCA_H
#define DCA_H
/* DCA Provider API */
 
/* DCA Notifier Interface */
void dca_register_notify(struct notifier_block *nb);
void dca_unregister_notify(struct notifier_block *nb);
 
#define DCA_PROVIDER_ADD     0x0001
#define DCA_PROVIDER_REMOVE  0x0002
 
struct dca_provider {
	struct dca_ops		*ops;
	struct class_device 	*cd;
	int			 id;
};
 
struct dca_ops {
	int	(*add_requester)    (struct dca_provider *, struct device *);
	int	(*remove_requester) (struct dca_provider *, struct device *);
	u8	(*get_tag)	    (struct dca_provider *, int cpu);
};
 
struct dca_provider *alloc_dca_provider(struct dca_ops *ops, int priv_size);
void free_dca_provider(struct dca_provider *dca);
int register_dca_provider(struct dca_provider *dca, struct device *dev);
void unregister_dca_provider(struct dca_provider *dca);
 
static inline void *dca_priv(struct dca_provider *dca)
{
	return (void *)dca + sizeof(struct dca_provider);
}
 
/* Requester API */
int dca_add_requester(struct device *dev);
int dca_remove_requester(struct device *dev);
u8 dca_get_tag(int cpu);
 
/* internal stuff */
int __init dca_sysfs_init(void);
void __exit dca_sysfs_exit(void);
int dca_sysfs_add_provider(struct dca_provider *dca, struct device *dev);
void dca_sysfs_remove_provider(struct dca_provider *dca);
int dca_sysfs_add_req(struct dca_provider *dca, struct device *dev, int slot);
void dca_sysfs_remove_req(struct dca_provider *dca, int slot);
 
#endif /* DCA_H */