memory: introduce memory_region_name()

Trivial accessor for the name attribute.
Signed-off-by: NAvi Kivity <avi@redhat.com>

memory.c

@@ -1108,6 +1108,11 @@ uint64_t memory_region_size(MemoryRegion *mr)
     return int128_get64(mr->size);
 }
 
+const char *memory_region_name(MemoryRegion *mr)
+{
+    return mr->name;
+}
+
 bool memory_region_is_ram(MemoryRegion *mr)
 {
     return mr->ram;

memory.h

@@ -315,6 +315,15 @@ uint64_t memory_region_size(MemoryRegion *mr);
  */
 bool memory_region_is_ram(MemoryRegion *mr);
 
+/**
+ * memory_region_name: get a memory region's name
+ *
+ * Returns the string that was used to initialize the memory region.
+ *
+ * @mr: the memory region being queried
+ */
+const char *memory_region_name(MemoryRegion *mr);
+
 /**
  * memory_region_is_logging: return whether a memory region is logging writes
  *