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/sparc/sun4m_iommu.c b/hw/sparc/sun4m_iommu.c
index b677601..7ca1e3f 100644
--- a/hw/sparc/sun4m_iommu.c
+++ b/hw/sparc/sun4m_iommu.c
@@ -282,7 +282,8 @@
 /* Called from RCU critical section */
 static IOMMUTLBEntry sun4m_translate_iommu(IOMMUMemoryRegion *iommu,
                                            hwaddr addr,
-                                           IOMMUAccessFlags flags)
+                                           IOMMUAccessFlags flags,
+                                           int iommu_idx)
 {
     IOMMUState *is = container_of(iommu, IOMMUState, iommu);
     hwaddr page, pa;