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
pci_iommu(struct pci_bus * bus)8 static inline void *pci_iommu(struct pci_bus *bus)
9 {
10 struct pci_sysdata *sd = bus->sysdata;
11 return sd->iommu;
12 }
13
set_pci_iommu(struct pci_bus * bus,void * val)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 */
29