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Direktori : /proc/thread-self/root/lib/modules/5.15.0-43-generic/build/include/linux/ |
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/* 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 */