linux/include/linux/dca.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright(c) 2007 - 2009 Intel Corporation. All rights reserved.
 */
#ifndef DCA_H
#define DCA_H

#include <linux/pci.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 …
#define DCA_PROVIDER_REMOVE …

struct dca_provider { … };

struct dca_domain { … };

struct dca_ops { … };

struct dca_provider *alloc_dca_provider(const 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, struct device *dev);

static inline void *dca_priv(struct dca_provider *dca)
{ … }

/* 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 */