| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Joerg Roedel | 5cdede2 | 2011-04-04 15:55:18 +0200 | [diff] [blame] | 2 | #ifndef LINUX_PCI_ATS_H |
| 3 | #define LINUX_PCI_ATS_H |
| 4 | |
| Joerg Roedel | db3c33c | 2011-09-27 15:57:13 +0200 | [diff] [blame] | 5 | #include <linux/pci.h> |
| 6 | |
| Joerg Roedel | c320b97 | 2011-09-27 15:57:15 +0200 | [diff] [blame] | 7 | #ifdef CONFIG_PCI_PRI |
| 8 | |
| Bjorn Helgaas | f39d5b7 | 2013-04-12 12:02:59 -0600 | [diff] [blame] | 9 | int pci_enable_pri(struct pci_dev *pdev, u32 reqs); |
| 10 | void pci_disable_pri(struct pci_dev *pdev); |
| CQ Tang | 4ebeb1e | 2017-05-30 09:25:49 -0700 | [diff] [blame] | 11 | void pci_restore_pri_state(struct pci_dev *pdev); |
| Bjorn Helgaas | f39d5b7 | 2013-04-12 12:02:59 -0600 | [diff] [blame] | 12 | int pci_reset_pri(struct pci_dev *pdev); |
| Joerg Roedel | c320b97 | 2011-09-27 15:57:15 +0200 | [diff] [blame] | 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 | |
| CQ Tang | 4ebeb1e | 2017-05-30 09:25:49 -0700 | [diff] [blame] | 25 | static inline void pci_restore_pri_state(struct pci_dev *pdev) |
| 26 | { |
| 27 | } |
| 28 | |
| Joerg Roedel | c320b97 | 2011-09-27 15:57:15 +0200 | [diff] [blame] | 29 | static inline int pci_reset_pri(struct pci_dev *pdev) |
| 30 | { |
| 31 | return -ENODEV; |
| 32 | } |
| 33 | |
| Joerg Roedel | c320b97 | 2011-09-27 15:57:15 +0200 | [diff] [blame] | 34 | #endif /* CONFIG_PCI_PRI */ |
| 35 | |
| Joerg Roedel | 086ac11 | 2011-09-27 15:57:16 +0200 | [diff] [blame] | 36 | #ifdef CONFIG_PCI_PASID |
| 37 | |
| Bjorn Helgaas | f39d5b7 | 2013-04-12 12:02:59 -0600 | [diff] [blame] | 38 | int pci_enable_pasid(struct pci_dev *pdev, int features); |
| 39 | void pci_disable_pasid(struct pci_dev *pdev); |
| CQ Tang | 4ebeb1e | 2017-05-30 09:25:49 -0700 | [diff] [blame] | 40 | void pci_restore_pasid_state(struct pci_dev *pdev); |
| Bjorn Helgaas | f39d5b7 | 2013-04-12 12:02:59 -0600 | [diff] [blame] | 41 | int pci_pasid_features(struct pci_dev *pdev); |
| 42 | int pci_max_pasids(struct pci_dev *pdev); |
| Kuppuswamy Sathyanarayanan | e5567f5 | 2019-02-19 11:04:51 -0800 | [diff] [blame] | 43 | int pci_prg_resp_pasid_required(struct pci_dev *pdev); |
| Joerg Roedel | 086ac11 | 2011-09-27 15:57:16 +0200 | [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 | |
| CQ Tang | 4ebeb1e | 2017-05-30 09:25:49 -0700 | [diff] [blame] | 56 | static inline void pci_restore_pasid_state(struct pci_dev *pdev) |
| 57 | { |
| 58 | } |
| 59 | |
| Joerg Roedel | 086ac11 | 2011-09-27 15:57:16 +0200 | [diff] [blame] | 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 | |
| Kuppuswamy Sathyanarayanan | fff4292 | 2019-02-27 11:26:46 -0800 | [diff] [blame] | 70 | static inline int pci_prg_resp_pasid_required(struct pci_dev *pdev) |
| Kuppuswamy Sathyanarayanan | e5567f5 | 2019-02-19 11:04:51 -0800 | [diff] [blame] | 71 | { |
| 72 | return 0; |
| 73 | } |
| Joerg Roedel | 086ac11 | 2011-09-27 15:57:16 +0200 | [diff] [blame] | 74 | #endif /* CONFIG_PCI_PASID */ |
| 75 | |
| 76 | |
| Joerg Roedel | 5cdede2 | 2011-04-04 15:55:18 +0200 | [diff] [blame] | 77 | #endif /* LINUX_PCI_ATS_H*/ |