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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/include/linux/pci-ats.h
..
..
@@ -4,69 +4,49 @@
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 #include <linux/pci.h>
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-#ifdef CONFIG_PCI_PRI
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+#ifdef CONFIG_PCI_ATS
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+/* Address Translation Service */
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+bool pci_ats_supported(struct pci_dev *dev);
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+int pci_enable_ats(struct pci_dev *dev, int ps);
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+void pci_disable_ats(struct pci_dev *dev);
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+int pci_ats_queue_depth(struct pci_dev *dev);
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+int pci_ats_page_aligned(struct pci_dev *dev);
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+#else /* CONFIG_PCI_ATS */
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+static inline bool pci_ats_supported(struct pci_dev *d)
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+{ return false; }
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+static inline int pci_enable_ats(struct pci_dev *d, int ps)
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+{ return -ENODEV; }
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+static inline void pci_disable_ats(struct pci_dev *d) { }
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+static inline int pci_ats_queue_depth(struct pci_dev *d)
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+{ return -ENODEV; }
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+static inline int pci_ats_page_aligned(struct pci_dev *dev)
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+{ return 0; }
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+#endif /* CONFIG_PCI_ATS */
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+#ifdef CONFIG_PCI_PRI
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 int pci_enable_pri(struct pci_dev *pdev, u32 reqs);
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 void pci_disable_pri(struct pci_dev *pdev);
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-void pci_restore_pri_state(struct pci_dev *pdev);
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 int pci_reset_pri(struct pci_dev *pdev);
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-
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-#else /* CONFIG_PCI_PRI */
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-
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-static inline int pci_enable_pri(struct pci_dev *pdev, u32 reqs)
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-{
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-	return -ENODEV;
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-}
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-
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-static inline void pci_disable_pri(struct pci_dev *pdev)
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-{
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-}
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-
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-static inline void pci_restore_pri_state(struct pci_dev *pdev)
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-{
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-}
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-
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-static inline int pci_reset_pri(struct pci_dev *pdev)
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-{
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-	return -ENODEV;
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-}
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-
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+int pci_prg_resp_pasid_required(struct pci_dev *pdev);
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+bool pci_pri_supported(struct pci_dev *pdev);
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+#else
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+static inline bool pci_pri_supported(struct pci_dev *pdev)
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+{ return false; }
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 #endif /* CONFIG_PCI_PRI */
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 #ifdef CONFIG_PCI_PASID
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-
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 int pci_enable_pasid(struct pci_dev *pdev, int features);
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 void pci_disable_pasid(struct pci_dev *pdev);
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-void pci_restore_pasid_state(struct pci_dev *pdev);
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 int pci_pasid_features(struct pci_dev *pdev);
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 int pci_max_pasids(struct pci_dev *pdev);
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-
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-#else  /* CONFIG_PCI_PASID */
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-
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+#else /* CONFIG_PCI_PASID */
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 static inline int pci_enable_pasid(struct pci_dev *pdev, int features)
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-{
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-	return -EINVAL;
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-}
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-
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-static inline void pci_disable_pasid(struct pci_dev *pdev)
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-{
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-}
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-
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-static inline void pci_restore_pasid_state(struct pci_dev *pdev)
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-{
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-}
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-
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+{ return -EINVAL; }
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+static inline void pci_disable_pasid(struct pci_dev *pdev) { }
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 static inline int pci_pasid_features(struct pci_dev *pdev)
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-{
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-	return -EINVAL;
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-}
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-
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+{ return -EINVAL; }
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 static inline int pci_max_pasids(struct pci_dev *pdev)
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-{
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-	return -EINVAL;
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-}
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-
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+{ return -EINVAL; }
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 #endif /* CONFIG_PCI_PASID */
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-
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-#endif /* LINUX_PCI_ATS_H*/
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+#endif /* LINUX_PCI_ATS_H */