| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef LINUX_PCI_ATS_H |
| 3 | #define LINUX_PCI_ATS_H |
| 4 | |
| 5 | #include <linux/pci.h> |
| 6 | |
| 7 | #ifdef CONFIG_PCI_PRI |
| 8 | |
| 9 | int pci_enable_pri(struct pci_dev *pdev, u32 reqs); |
| 10 | void pci_disable_pri(struct pci_dev *pdev); |
| 11 | void pci_restore_pri_state(struct pci_dev *pdev); |
| 12 | int pci_reset_pri(struct pci_dev *pdev); |
| 13 | |
| 14 | #else /* CONFIG_PCI_PRI */ |
| 15 | |
| 16 | static inline int pci_enable_pri(struct pci_dev *pdev, u32 reqs) |
| 17 | { |
| 18 | return -ENODEV; |
| 19 | } |
| 20 | |
| 21 | static inline void pci_disable_pri(struct pci_dev *pdev) |
| 22 | { |
| 23 | } |
| 24 | |
| 25 | static inline void pci_restore_pri_state(struct pci_dev *pdev) |
| 26 | { |
| 27 | } |
| 28 | |
| 29 | static inline int pci_reset_pri(struct pci_dev *pdev) |
| 30 | { |
| 31 | return -ENODEV; |
| 32 | } |
| 33 | |
| 34 | #endif /* CONFIG_PCI_PRI */ |
| 35 | |
| 36 | #ifdef CONFIG_PCI_PASID |
| 37 | |
| 38 | int pci_enable_pasid(struct pci_dev *pdev, int features); |
| 39 | void pci_disable_pasid(struct pci_dev *pdev); |
| 40 | void pci_restore_pasid_state(struct pci_dev *pdev); |
| 41 | int pci_pasid_features(struct pci_dev *pdev); |
| 42 | int pci_max_pasids(struct pci_dev *pdev); |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 43 | int pci_prg_resp_pasid_required(struct pci_dev *pdev); |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 44 | |
| 45 | #else /* CONFIG_PCI_PASID */ |
| 46 | |
| 47 | static inline int pci_enable_pasid(struct pci_dev *pdev, int features) |
| 48 | { |
| 49 | return -EINVAL; |
| 50 | } |
| 51 | |
| 52 | static inline void pci_disable_pasid(struct pci_dev *pdev) |
| 53 | { |
| 54 | } |
| 55 | |
| 56 | static inline void pci_restore_pasid_state(struct pci_dev *pdev) |
| 57 | { |
| 58 | } |
| 59 | |
| 60 | static inline int pci_pasid_features(struct pci_dev *pdev) |
| 61 | { |
| 62 | return -EINVAL; |
| 63 | } |
| 64 | |
| 65 | static inline int pci_max_pasids(struct pci_dev *pdev) |
| 66 | { |
| 67 | return -EINVAL; |
| 68 | } |
| 69 | |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 70 | static inline int pci_prg_resp_pasid_required(struct pci_dev *pdev) |
| 71 | { |
| 72 | return 0; |
| 73 | } |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 74 | #endif /* CONFIG_PCI_PASID */ |
| 75 | |
| 76 | |
| 77 | #endif /* LINUX_PCI_ATS_H*/ |