x64, x2apic/intr-remap: routines managing Interrupt remapping table entries.

Routines handling the management of interrupt remapping table entries.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: akpm@linux-foundation.org
Cc: arjan@linux.intel.com
Cc: andi@firstfloor.org
Cc: ebiederm@xmission.com
Cc: jbarnes@virtuousgeek.org
Cc: steiner@sgi.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 12 insertions, 0 deletions

diff --git a/include/linux/dmar.h b/include/linux/dmar.h
index 8a0238dd2c11..324bbca85a26 100644
--- a/include/linux/dmar.h
+++ b/include/linux/dmar.h
@@ -98,7 +98,19 @@ struct irte {
                 __u64 high;
         };
 };
+extern int get_irte(int irq, struct irte *entry);
+extern int modify_irte(int irq, struct irte *irte_modified);
+extern int alloc_irte(struct intel_iommu *iommu, int irq, u16 count);
+extern int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index,
+                        u16 sub_handle);
+extern int map_irq_to_irte_handle(int irq, u16 *sub_handle);
+extern int clear_irte_irq(int irq, struct intel_iommu *iommu, u16 index);
+extern int flush_irte(int irq);
+extern int free_irte(int irq);
+
+extern int irq_remapped(int irq);
 #else
+#define irq_remapped(irq)               (0)
 #define enable_intr_remapping(mode)     (-1)
 #define intr_remapping_enabled          (0)
 #endif