1 files changed, 11 insertions, 0 deletions

diff --git a/include/linux/dmar.h b/include/linux/dmar.h
index 2f3427468956..e397dc342cda 100644
--- a/include/linux/dmar.h
+++ b/include/linux/dmar.h
@@ -34,6 +34,7 @@ struct dmar_drhd_unit {
         u64     reg_base_addr;          /* register base address*/
         struct  pci_dev **devices;      /* target device array  */
         int     devices_cnt;            /* target device count  */
+        u16     segment;                /* PCI domain           */
         u8      ignored:1;              /* ignore drhd          */
         u8      include_all:1;
         struct intel_iommu *iommu;
@@ -44,6 +45,14 @@ extern struct list_head dmar_drhd_units;
 #define for_each_drhd_unit(drhd) \
         list_for_each_entry(drhd, &dmar_drhd_units, list)
 
+#define for_each_active_iommu(i, drhd)                                  \
+        list_for_each_entry(drhd, &dmar_drhd_units, list)               \
+                if (i=drhd->iommu, drhd->ignored) {} else
+
+#define for_each_iommu(i, drhd)                                         \
+        list_for_each_entry(drhd, &dmar_drhd_units, list)               \
+                if (i=drhd->iommu, 0) {} else 
+
 extern int dmar_table_init(void);
 extern int dmar_dev_scope_init(void);
 
@@ -100,6 +109,8 @@ struct irte {
 #ifdef CONFIG_INTR_REMAP
 extern int intr_remapping_enabled;
 extern int enable_intr_remapping(int);
+extern void disable_intr_remapping(void);
+extern int reenable_intr_remapping(int);
 
 extern int get_irte(int irq, struct irte *entry);
 extern int modify_irte(int irq, struct irte *irte_modified);