1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 97c36b2ee611..f23a02054bf7 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -168,6 +168,16 @@ struct dmar_domain {
         int             flags;
 };
 
+/* PCI domain-device relationship */
+struct device_domain_info {
+        struct list_head link;  /* link to domain siblings */
+        struct list_head global; /* link to global list */
+        u8 bus;                 /* PCI bus numer */
+        u8 devfn;               /* PCI devfn number */
+        struct pci_dev *dev; /* it's NULL for PCIE-to-PCI bridge */
+        struct dmar_domain *domain; /* pointer to domain */
+};
+
 static void flush_unmaps_timeout(unsigned long data);
 
 DEFINE_TIMER(unmap_timer,  flush_unmaps_timeout, 0, 0);