/arch/x86/include/asm/pci_64.h

 1#ifndef _ASM_X86_PCI_64_H
 2#define _ASM_X86_PCI_64_H
 3
 4#ifdef __KERNEL__
 5
 6#ifdef CONFIG_CALGARY_IOMMU
 7static inline void *pci_iommu(struct pci_bus *bus)
 8{
 9	struct pci_sysdata *sd = bus->sysdata;
10	return sd->iommu;
11}
12
13static inline void set_pci_iommu(struct pci_bus *bus, void *val)
14{
15	struct pci_sysdata *sd = bus->sysdata;
16	sd->iommu = val;
17}
18#endif /* CONFIG_CALGARY_IOMMU */
19
20extern int (*pci_config_read)(int seg, int bus, int dev, int fn,
21			      int reg, int len, u32 *value);
22extern int (*pci_config_write)(int seg, int bus, int dev, int fn,
23			       int reg, int len, u32 value);
24
25#endif /* __KERNEL__ */
26
27#endif /* _ASM_X86_PCI_64_H */