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Diffstat (limited to 'include/hw/mem/pc-dimm.h')
-rw-r--r--include/hw/mem/pc-dimm.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/hw/mem/pc-dimm.h b/include/hw/mem/pc-dimm.h
index 67e92d8f7b..1e483f2670 100644
--- a/include/hw/mem/pc-dimm.h
+++ b/include/hw/mem/pc-dimm.h
@@ -61,7 +61,9 @@ typedef struct PCDIMMDevice {
  * @realize: called after common dimm is realized so that the dimm based
  * devices get the chance to do specified operations.
  * @get_memory_region: returns #MemoryRegion associated with @dimm which
- * is directly mapped into the physical address space of guest
+ * is directly mapped into the physical address space of guest.
+ * @get_vmstate_memory_region: returns #MemoryRegion which indicates the
+ * memory of @dimm should be kept during live migration.
  */
 typedef struct PCDIMMDeviceClass {
     /* private */
@@ -70,6 +72,7 @@ typedef struct PCDIMMDeviceClass {
     /* public */
     void (*realize)(PCDIMMDevice *dimm, Error **errp);
     MemoryRegion *(*get_memory_region)(PCDIMMDevice *dimm);
+    MemoryRegion *(*get_vmstate_memory_region)(PCDIMMDevice *dimm);
 } PCDIMMDeviceClass;
 
 /**