iommu: Add IOMMU index argument to translate method

Add an IOMMU index argument to the translate method of
IOMMUs. Since all of our current IOMMU implementations
support only a single IOMMU index, this has no effect
on the behaviour.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20180604152941.20374-4-peter.maydell@linaro.org
diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c
index 63d46ff..1fd669f 100644
--- a/hw/i386/amd_iommu.c
+++ b/hw/i386/amd_iommu.c
@@ -991,7 +991,7 @@
 }
 
 static IOMMUTLBEntry amdvi_translate(IOMMUMemoryRegion *iommu, hwaddr addr,
-                                     IOMMUAccessFlags flag)
+                                     IOMMUAccessFlags flag, int iommu_idx)
 {
     AMDVIAddressSpace *as = container_of(iommu, AMDVIAddressSpace, iommu);
     AMDVIState *s = as->iommu_state;