pci_64.h

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#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 */