1 files changed, 12 insertions, 0 deletions

diff --git a/include/asm-x86/pci_64.h b/include/asm-x86/pci_64.h
index 5da8cb0c0599..0a123d6a820f 100644
--- a/include/asm-x86/pci_64.h
+++ b/include/asm-x86/pci_64.h
@@ -6,12 +6,24 @@
 #ifdef __KERNEL__
 
 struct pci_sysdata {
+        int             domain;         /* PCI domain */
         int             node;           /* NUMA node */
         void*           iommu;          /* IOMMU private data */
 };
 
 extern struct pci_bus *pci_scan_bus_with_sysdata(int busno);
 
+static inline int pci_domain_nr(struct pci_bus *bus)
+{
+        struct pci_sysdata *sd = bus->sysdata;
+        return sd->domain;
+}
+
+static inline int pci_proc_domain(struct pci_bus *bus)
+{
+        return pci_domain_nr(bus);
+}
+
 #ifdef CONFIG_CALGARY_IOMMU
 static inline void* pci_iommu(struct pci_bus *bus)
 {