| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #ifndef LINUX_PCI_ATS_H | |
| #define LINUX_PCI_ATS_H | |
| #include <linux/pci.h> | |
| #ifdef CONFIG_PCI_ATS | |
| /* Address Translation Service */ | |
| bool pci_ats_supported(struct pci_dev *dev); | |
| int pci_enable_ats(struct pci_dev *dev, int ps); | |
| int pci_prepare_ats(struct pci_dev *dev, int ps); | |
| void pci_disable_ats(struct pci_dev *dev); | |
| int pci_ats_queue_depth(struct pci_dev *dev); | |
| int pci_ats_page_aligned(struct pci_dev *dev); | |
| #else /* CONFIG_PCI_ATS */ | |
| static inline bool pci_ats_supported(struct pci_dev *d) | |
| { return false; } | |
| static inline int pci_enable_ats(struct pci_dev *d, int ps) | |
| { return -ENODEV; } | |
| static inline int pci_prepare_ats(struct pci_dev *dev, int ps) | |
| { return -ENODEV; } | |
| static inline void pci_disable_ats(struct pci_dev *d) { } | |
| static inline int pci_ats_queue_depth(struct pci_dev *d) | |
| { return -ENODEV; } | |
| static inline int pci_ats_page_aligned(struct pci_dev *dev) | |
| { return 0; } | |
| #endif /* CONFIG_PCI_ATS */ | |
| #ifdef CONFIG_PCI_PRI | |
| int pci_enable_pri(struct pci_dev *pdev, u32 reqs); | |
| void pci_disable_pri(struct pci_dev *pdev); | |
| int pci_reset_pri(struct pci_dev *pdev); | |
| int pci_prg_resp_pasid_required(struct pci_dev *pdev); | |
| bool pci_pri_supported(struct pci_dev *pdev); | |
| #else | |
| static inline bool pci_pri_supported(struct pci_dev *pdev) | |
| { return false; } | |
| #endif /* CONFIG_PCI_PRI */ | |
| #ifdef CONFIG_PCI_PASID | |
| int pci_enable_pasid(struct pci_dev *pdev, int features); | |
| void pci_disable_pasid(struct pci_dev *pdev); | |
| int pci_pasid_features(struct pci_dev *pdev); | |
| int pci_max_pasids(struct pci_dev *pdev); | |
| int pci_pasid_status(struct pci_dev *pdev); | |
| #else /* CONFIG_PCI_PASID */ | |
| static inline int pci_enable_pasid(struct pci_dev *pdev, int features) | |
| { return -EINVAL; } | |
| static inline void pci_disable_pasid(struct pci_dev *pdev) { } | |
| static inline int pci_pasid_features(struct pci_dev *pdev) | |
| { return -EINVAL; } | |
| static inline int pci_max_pasids(struct pci_dev *pdev) | |
| { return -EINVAL; } | |
| static inline int pci_pasid_status(struct pci_dev *pdev) | |
| { return -EINVAL; } | |
| #endif /* CONFIG_PCI_PASID */ | |
| #endif /* LINUX_PCI_ATS_H */ |