diff options
Diffstat (limited to 'include/asm-x86_64/pci.h')
| -rw-r--r-- | include/asm-x86_64/pci.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/asm-x86_64/pci.h b/include/asm-x86_64/pci.h index bda94fd5176f..88926eb44f5c 100644 --- a/include/asm-x86_64/pci.h +++ b/include/asm-x86_64/pci.h @@ -5,6 +5,25 @@ #ifdef __KERNEL__ +struct pci_sysdata { + int node; /* NUMA node */ + void* iommu; /* IOMMU private data */ +}; + +#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 */ + #include <linux/mm.h> /* for struct page */ /* Can be used to override the logic in pci_scan_bus for skipping |