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root/include/linux/dca.h

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DEFINITIONS

This source file includes following definitions.
  1. dca_priv

#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 list_head        node;
        struct dca_ops          *ops;
        struct 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 *, struct device *,
                                     int cpu);
        int     (*dev_managed)      (struct dca_provider *, struct device *);
};

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 */
#define DCA_GET_TAG_TWO_ARGS
int dca_add_requester(struct device *dev);
int dca_remove_requester(struct device *dev);
u8 dca_get_tag(int cpu);
u8 dca3_get_tag(struct device *dev, 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 */

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