This is an "global" version of existing memory_region_iommu_replay() -
we announce the translations to all the registered notifiers, instead of
a specific one.
Reviewed-by: David Gibson <da...@gibson.dropbear.id.au>
Reviewed-by: \"Michael S. Tsirkin\" <m...@redhat.com>
Signed-off-by: Peter Xu <pet...@redhat.com>
---
include/exec/memory.h | 8 ++++++++
memory.c | 9 +++++++++
2 files changed, 17 insertions(+)
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 07e43da..fb7dff3 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -713,6 +713,14 @@ void memory_region_iommu_replay(MemoryRegion *mr,
IOMMUNotifier *n,
bool is_write);
/**
+ * memory_region_iommu_replay_all: replay existing IOMMU translations
+ * to all the notifiers registered.
+ *
+ * @mr: the memory region to observe
+ */
+void memory_region_iommu_replay_all(MemoryRegion *mr);
+
+/**
* memory_region_unregister_iommu_notifier: unregister a notifier for
* changes to IOMMU translation entries.
*
diff --git a/memory.c b/memory.c
index 7496b3d..b4ed67b 100644
--- a/memory.c
+++ b/memory.c
@@ -1642,6 +1642,15 @@ void memory_region_iommu_replay(MemoryRegion *mr,
IOMMUNotifier *n,
}
}
+void memory_region_iommu_replay_all(MemoryRegion *mr)
+{
+ IOMMUNotifier *notifier;
+
+ IOMMU_NOTIFIER_FOREACH(notifier, mr) {
+ memory_region_iommu_replay(mr, notifier, false);
+ }
+}
+
void memory_region_unregister_iommu_notifier(MemoryRegion *mr,
IOMMUNotifier *n)
{
--
2.7.4
