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-rw-r--r--memory.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/memory.c b/memory.c
index 8ba496dc7b..8549c791d7 100644
--- a/memory.c
+++ b/memory.c
@@ -1502,12 +1502,22 @@ void memory_region_register_iommu_notifier(MemoryRegion *mr, Notifier *n)
notifier_list_add(&mr->iommu_notify, n);
}
-void memory_region_iommu_replay(MemoryRegion *mr, Notifier *n,
- hwaddr granularity, bool is_write)
+uint64_t memory_region_iommu_get_min_page_size(MemoryRegion *mr)
{
- hwaddr addr;
+ assert(memory_region_is_iommu(mr));
+ if (mr->iommu_ops && mr->iommu_ops->get_min_page_size) {
+ return mr->iommu_ops->get_min_page_size(mr);
+ }
+ return TARGET_PAGE_SIZE;
+}
+
+void memory_region_iommu_replay(MemoryRegion *mr, Notifier *n, bool is_write)
+{
+ hwaddr addr, granularity;
IOMMUTLBEntry iotlb;
+ granularity = memory_region_iommu_get_min_page_size(mr);
+
for (addr = 0; addr < memory_region_size(mr); addr += granularity) {
iotlb = mr->iommu_ops->translate(mr, addr, is_write);
if (iotlb.perm != IOMMU_NONE) {