| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef _ASM_X86_PCI_64_H |
| 3 | #define _ASM_X86_PCI_64_H |
| 4 | |
| 5 | #ifdef __KERNEL__ |
| 6 | |
| 7 | #ifdef CONFIG_CALGARY_IOMMU |
| 8 | static inline void *pci_iommu(struct pci_bus *bus) |
| 9 | { |
| 10 | struct pci_sysdata *sd = bus->sysdata; |
| 11 | return sd->iommu; |
| 12 | } |
| 13 | |
| 14 | static inline void set_pci_iommu(struct pci_bus *bus, void *val) |
| 15 | { |
| 16 | struct pci_sysdata *sd = bus->sysdata; |
| 17 | sd->iommu = val; |
| 18 | } |
| 19 | #endif /* CONFIG_CALGARY_IOMMU */ |
| 20 | |
| 21 | extern int (*pci_config_read)(int seg, int bus, int dev, int fn, |
| 22 | int reg, int len, u32 *value); |
| 23 | extern int (*pci_config_write)(int seg, int bus, int dev, int fn, |
| 24 | int reg, int len, u32 value); |
| 25 | |
| 26 | #endif /* __KERNEL__ */ |
| 27 | |
| 28 | #endif /* _ASM_X86_PCI_64_H */ |