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-rw-r--r--include/exec/memory.h7
-rw-r--r--memory.c6
2 files changed, 13 insertions, 0 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 3f48f07..2f3e8e4 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -382,6 +382,13 @@ void memory_region_init_iommu(MemoryRegion *mr,
void memory_region_destroy(MemoryRegion *mr);
/**
+ * memory_region_owner: get a memory region's owner.
+ *
+ * @mr: the memory region being queried.
+ */
+struct Object *memory_region_owner(MemoryRegion *mr);
+
+/**
* memory_region_size: get a memory region's size.
*
* @mr: the memory region being queried.
diff --git a/memory.c b/memory.c
index 56ef4ba..f85774a 100644
--- a/memory.c
+++ b/memory.c
@@ -738,6 +738,7 @@ void memory_region_init(MemoryRegion *mr,
mr->owner = owner;
mr->iommu_ops = NULL;
mr->parent = NULL;
+ mr->owner = NULL;
mr->size = int128_make64(size);
if (size == UINT64_MAX) {
mr->size = int128_2_64();
@@ -1013,6 +1014,11 @@ void memory_region_destroy(MemoryRegion *mr)
g_free(mr->ioeventfds);
}
+Object *memory_region_owner(MemoryRegion *mr)
+{
+ return mr->owner;
+}
+
uint64_t memory_region_size(MemoryRegion *mr)
{
if (int128_eq(mr->size, int128_2_64())) {