memory: Constify IOMMUTLBEvent in memory_region_notify_iommu()

@event access is read-only.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <20240612132532.85928-3-philmd@linaro.org>

diff --git a/include/exec/memory.h b/include/exec/memory.h
index 2bf5e23b6ab489db3bcf050dbbdb113ddf488e3a..2d7c278b9f43dd9ea6a12ab1d3948dfaa49be1e2 100644 (file)
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -1837,7 +1837,7 @@ uint64_t memory_region_iommu_get_min_page_size(IOMMUMemoryRegion *iommu_mr);
  */
 void memory_region_notify_iommu(IOMMUMemoryRegion *iommu_mr,
                                 int iommu_idx,
-                                IOMMUTLBEvent event);
+                                const IOMMUTLBEvent event);
 
 /**
  * memory_region_notify_iommu_one: notify a change in an IOMMU translation

diff --git a/system/memory.c b/system/memory.c
index f3a37c97c1faa973e1e24417af9e0ce9d770a716..47c600df635b133e3791fd6f02397e62510982e7 100644 (file)
--- a/system/memory.c
+++ b/system/memory.c
@@ -2052,7 +2052,7 @@ void memory_region_unmap_iommu_notifier_range(IOMMUNotifier *notifier)
 
 void memory_region_notify_iommu(IOMMUMemoryRegion *iommu_mr,
                                 int iommu_idx,
-                                IOMMUTLBEvent event)
+                                const IOMMUTLBEvent event)
 {
     IOMMUNotifier *iommu_notifier;