diff --git a/nova/objects/migrate_data.py b/nova/objects/migrate_data.py
index 299f46d03b..da8a6505e2 100644
--- a/nova/objects/migrate_data.py
+++ b/nova/objects/migrate_data.py
@@ -240,7 +240,9 @@ class LibvirtLiveMigrateData(LiveMigrateData):
     # Version 1.9: Inherited vifs from LiveMigrateData
     # Version 1.10: Added dst_numa_info, src_supports_numa_live_migration, and
     #               dst_supports_numa_live_migration fields
-    VERSION = '1.10'
+    # Version 1.11: Added dst_supports_mdev_live_migration,
+    #               source_mdev_types and target_mdevs fields
+    VERSION = '1.11'
 
     fields = {
         'filename': fields.StringField(),
@@ -270,12 +272,24 @@ class LibvirtLiveMigrateData(LiveMigrateData):
         'src_supports_numa_live_migration': fields.BooleanField(),
         'dst_supports_numa_live_migration': fields.BooleanField(),
         'dst_numa_info': fields.ObjectField('LibvirtLiveMigrateNUMAInfo'),
+        # TODO(sbauza) dst_supports_mdev_live_migration is only used as
+        # flag to indicate that the compute host is new enough to perform a
+        # mediated-device-aware live migration. Remove in version 2.0.
+        'dst_supports_mdev_live_migration': fields.BooleanField(),
+        # key is mdev UUID and value is its type.
+        'source_mdev_types': fields.DictOfStringsField(),
+        # key is source mdev UUID and value is the destination mdev UUID.
+        'target_mdevs': fields.DictOfStringsField(),
     }
 
     def obj_make_compatible(self, primitive, target_version):
         super(LibvirtLiveMigrateData, self).obj_make_compatible(
             primitive, target_version)
         target_version = versionutils.convert_version_to_tuple(target_version)
+        if target_version < (1, 11):
+            primitive.pop('target_mdevs', None)
+            primitive.pop('source_mdev_types', None)
+            primitive.pop('dst_supports_mdev_live_migration', None)
         if (target_version < (1, 10) and
                 'src_supports_numa_live_migration' in primitive):
             del primitive['src_supports_numa_live_migration']
diff --git a/nova/tests/unit/objects/test_migrate_data.py b/nova/tests/unit/objects/test_migrate_data.py
index 7ceaf2a192..75e9938431 100644
--- a/nova/tests/unit/objects/test_migrate_data.py
+++ b/nova/tests/unit/objects/test_migrate_data.py
@@ -96,7 +96,10 @@ class _TestLibvirtLiveMigrateData(object):
             file_backed_memory_discard=False,
             src_supports_numa_live_migration=True,
             dst_supports_numa_live_migration=True,
-            dst_numa_info=migrate_data.LibvirtLiveMigrateNUMAInfo())
+            dst_numa_info=migrate_data.LibvirtLiveMigrateNUMAInfo(),
+            dst_supports_mdev_live_migration=True,
+            source_mdev_types={},
+            target_mdevs={})
         manifest = ovo_base.obj_tree_get_versions(obj.obj_name())
 
         data = lambda x: x['nova_object.data']
@@ -133,6 +136,11 @@ class _TestLibvirtLiveMigrateData(object):
         self.assertNotIn('dst_numa_info', primitive)
         self.assertNotIn('src_supports_numa_live_migration', primitive)
         self.assertNotIn('dst_supports_numa_live_migration', primitive)
+        primitive = data(obj.obj_to_primitive(target_version='1.10',
+                                              version_manifest=manifest))
+        self.assertNotIn('dst_supports_mdev_live_migration', primitive)
+        self.assertNotIn('source_mdev_types', primitive)
+        self.assertNotIn('target_mdevs', primitive)
 
     def test_bdm_obj_make_compatible(self):
         obj = migrate_data.LibvirtLiveMigrateBDMInfo(
diff --git a/nova/tests/unit/objects/test_objects.py b/nova/tests/unit/objects/test_objects.py
index 2568e099fc..5d94b9eab9 100644
--- a/nova/tests/unit/objects/test_objects.py
+++ b/nova/tests/unit/objects/test_objects.py
@@ -1128,7 +1128,7 @@ object_data = {
     'KeyPair': '1.4-1244e8d1b103cc69d038ed78ab3a8cc6',
     'KeyPairList': '1.3-94aad3ac5c938eef4b5e83da0212f506',
     'LibvirtLiveMigrateBDMInfo': '1.1-5f4a68873560b6f834b74e7861d71aaf',
-    'LibvirtLiveMigrateData': '1.10-348cf70ea44d3b985f45f64725d6f6a7',
+    'LibvirtLiveMigrateData': '1.11-c535fa68cab55cc451e49996f1380ccc',
     'LibvirtLiveMigrateNUMAInfo': '1.0-0e777677f3459d0ed1634eabbdb6c22f',
     'LibvirtVPMEMDevice': '1.0-17ffaf47585199eeb9a2b83d6bde069f',
     'MemoryDiagnostics': '1.0-2c995ae0f2223bb0f8e523c5cc0b83da',