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v0.8.1
https://github.com/torvalds/linux
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Tip revision: af8c34ce6ae32addda3788d54a7e340cad22516b authored by Linus Torvalds on 05 June 2016, 21:31:26 UTC
Linux 4.7-rc2
Tip revision: af8c34c
pci_64.h
#ifndef _ASM_X86_PCI_64_H
#define _ASM_X86_PCI_64_H

#ifdef __KERNEL__

#ifdef CONFIG_CALGARY_IOMMU
static inline void *pci_iommu(struct pci_bus *bus)
{
	struct pci_sysdata *sd = bus->sysdata;
	return sd->iommu;
}

static inline void set_pci_iommu(struct pci_bus *bus, void *val)
{
	struct pci_sysdata *sd = bus->sysdata;
	sd->iommu = val;
}
#endif /* CONFIG_CALGARY_IOMMU */

extern int (*pci_config_read)(int seg, int bus, int dev, int fn,
			      int reg, int len, u32 *value);
extern int (*pci_config_write)(int seg, int bus, int dev, int fn,
			       int reg, int len, u32 value);

#endif /* __KERNEL__ */

#endif /* _ASM_X86_PCI_64_H */
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