projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 5cdede24 JR |
2 | #ifndef LINUX_PCI_ATS_H |
| 3 | #define LINUX_PCI_ATS_H | |
| 4 | ||
| db3c33c6 JR |
5 | #include <linux/pci.h> |
| 6 | ||
| b24d5c20 KW |
7 | #ifdef CONFIG_PCI_ATS |
| 8 | /* Address Translation Service */ | |
| 52137674 | 9 | bool pci_ats_supported(struct pci_dev *dev); |
| b24d5c20 KW |
10 | int pci_enable_ats(struct pci_dev *dev, int ps); |
| 11 | void pci_disable_ats(struct pci_dev *dev); | |
| 12 | int pci_ats_queue_depth(struct pci_dev *dev); | |
| 13 | int pci_ats_page_aligned(struct pci_dev *dev); | |
| 14 | #else /* CONFIG_PCI_ATS */ | |
| 52137674 JPB |
15 | static inline bool pci_ats_supported(struct pci_dev *d) |
| 16 | { return false; } | |
| b24d5c20 KW |
17 | static inline int pci_enable_ats(struct pci_dev *d, int ps) |
| 18 | { return -ENODEV; } | |
| 19 | static inline void pci_disable_ats(struct pci_dev *d) { } | |
| 20 | static inline int pci_ats_queue_depth(struct pci_dev *d) | |
| 21 | { return -ENODEV; } | |
| 22 | static inline int pci_ats_page_aligned(struct pci_dev *dev) | |
| 23 | { return 0; } | |
| 24 | #endif /* CONFIG_PCI_ATS */ | |
| c320b976 | 25 | |
| b24d5c20 | 26 | #ifdef CONFIG_PCI_PRI |
| f39d5b72 BH |
27 | int pci_enable_pri(struct pci_dev *pdev, u32 reqs); |
| 28 | void pci_disable_pri(struct pci_dev *pdev); | |
| f39d5b72 | 29 | int pci_reset_pri(struct pci_dev *pdev); |
| 8cbb8a93 | 30 | int pci_prg_resp_pasid_required(struct pci_dev *pdev); |
| 3f9a7a13 AR |
31 | bool pci_pri_supported(struct pci_dev *pdev); |
| 32 | #else | |
| 33 | static inline bool pci_pri_supported(struct pci_dev *pdev) | |
| 34 | { return false; } | |
| c320b976 JR |
35 | #endif /* CONFIG_PCI_PRI */ |
| 36 | ||
| 086ac11f | 37 | #ifdef CONFIG_PCI_PASID |
| f39d5b72 BH |
38 | int pci_enable_pasid(struct pci_dev *pdev, int features); |
| 39 | void pci_disable_pasid(struct pci_dev *pdev); | |
| 40 | int pci_pasid_features(struct pci_dev *pdev); | |
| 41 | int pci_max_pasids(struct pci_dev *pdev); | |
| b24d5c20 | 42 | #else /* CONFIG_PCI_PASID */ |
| 5a4549fd JPB |
43 | static inline int pci_enable_pasid(struct pci_dev *pdev, int features) |
| 44 | { return -EINVAL; } | |
| 45 | static inline void pci_disable_pasid(struct pci_dev *pdev) { } | |
| 086ac11f | 46 | static inline int pci_pasid_features(struct pci_dev *pdev) |
| b24d5c20 | 47 | { return -EINVAL; } |
| 086ac11f | 48 | static inline int pci_max_pasids(struct pci_dev *pdev) |
| b24d5c20 | 49 | { return -EINVAL; } |
| 086ac11f JR |
50 | #endif /* CONFIG_PCI_PASID */ |
| 51 | ||
| b24d5c20 | 52 | #endif /* LINUX_PCI_ATS_H */ |