arch/x86/include/asm/pci_64.h

   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 */