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-rw-r--r--drivers/pci/intel-iommu.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 97c36b2ee61..f23a02054bf 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);