Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/* 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 0x0001
|
|
#define DCA_PROVIDER_REMOVE 0x0002
|
|
|
|
struct dca_provider {
|
|
struct list_head node;
|
|
const struct dca_ops *ops;
|
|
struct device *cd;
|
|
int id;
|
|
};
|
|
|
|
struct dca_domain {
|
|
struct list_head node;
|
|
struct list_head dca_providers;
|
|
struct pci_bus *pci_rc;
|
|
};
|
|
|
|
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(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)
|
|
{
|
|
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 */
|