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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 */