diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 81836e5d4f..a09a506241 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -619,7 +619,6 @@ VIR_ENUM_IMPL(virDomainStartupPolicy, VIR_DOMAIN_STARTUP_POLICY_LAST,
 #define VIR_DOMAIN_XML_WRITE_FLAGS  VIR_DOMAIN_XML_SECURE
 #define VIR_DOMAIN_XML_READ_FLAGS   VIR_DOMAIN_XML_INACTIVE
 
-
 void
 virBlkioDeviceWeightArrayClear(virBlkioDeviceWeightPtr deviceWeights,
                                int ndevices)
@@ -7091,6 +7090,49 @@ error:
 }
 
 
+static int virDomainDefMaybeAddController(virDomainDefPtr def,
+                                          int type,
+                                          int idx)
+{
+    int found = 0;
+    int i;
+    virDomainControllerDefPtr cont;
+
+    for (i = 0 ; (i < def->ncontrollers) && !found; i++) {
+        if (def->controllers[i]->type == type &&
+            def->controllers[i]->idx == idx)
+            found = 1;
+    }
+
+    if (found)
+        return 0;
+
+    if (VIR_ALLOC(cont) < 0) {
+        virReportOOMError();
+        return -1;
+    }
+
+    cont->type = type;
+    cont->idx = idx;
+    cont->model = -1;
+
+    if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_VIRTIO_SERIAL) {
+        cont->opts.vioserial.ports = -1;
+        cont->opts.vioserial.vectors = -1;
+    }
+
+
+    if (VIR_REALLOC_N(def->controllers, def->ncontrollers+1) < 0) {
+        VIR_FREE(cont);
+        virReportOOMError();
+        return -1;
+    }
+    def->controllers[def->ncontrollers] = cont;
+    def->ncontrollers++;
+
+    return 0;
+}
+
 static virDomainDefPtr virDomainDefParseXML(virCapsPtr caps,
                                             xmlDocPtr xml,
                                             xmlNodePtr root,
@@ -7649,6 +7691,12 @@ static virDomainDefPtr virDomainDefParseXML(virCapsPtr caps,
     }
     VIR_FREE(nodes);
 
+    if (def->virtType == VIR_DOMAIN_VIRT_QEMU ||
+        def->virtType == VIR_DOMAIN_VIRT_KQEMU ||
+        def->virtType == VIR_DOMAIN_VIRT_KVM)
+        if (virDomainDefMaybeAddController(def, VIR_DOMAIN_CONTROLLER_TYPE_USB, 0) < 0)
+            goto error;
+
     /* analysis of the resource leases */
     if ((n = virXPathNodeSet("./devices/lease", ctxt, &nodes)) < 0) {
         virDomainReportError(VIR_ERR_INTERNAL_ERROR,
@@ -9378,49 +9426,6 @@ cleanup:
 }
 
 
-static int virDomainDefMaybeAddController(virDomainDefPtr def,
-                                          int type,
-                                          int idx)
-{
-    int found = 0;
-    int i;
-    virDomainControllerDefPtr cont;
-
-    for (i = 0 ; (i < def->ncontrollers) && !found; i++) {
-        if (def->controllers[i]->type == type &&
-            def->controllers[i]->idx == idx)
-            found = 1;
-    }
-
-    if (found)
-        return 0;
-
-    if (VIR_ALLOC(cont) < 0) {
-        virReportOOMError();
-        return -1;
-    }
-
-    cont->type = type;
-    cont->idx = idx;
-    cont->model = -1;
-
-    if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_VIRTIO_SERIAL) {
-        cont->opts.vioserial.ports = -1;
-        cont->opts.vioserial.vectors = -1;
-    }
-
-
-    if (VIR_REALLOC_N(def->controllers, def->ncontrollers+1) < 0) {
-        VIR_FREE(cont);
-        virReportOOMError();
-        return -1;
-    }
-    def->controllers[def->ncontrollers] = cont;
-    def->ncontrollers++;
-
-    return 0;
-}
-
 static int virDomainDefAddDiskControllersForType(virDomainDefPtr def,
                                                  int controllerType,
                                                  int diskBus)
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index a346f1e1c6..1b92aa4174 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -7620,7 +7620,13 @@ virDomainDefPtr qemuParseCommandLine(virCapsPtr caps,
             WANT_VALUE();
             /* ignore, generted on the fly */
         } else if (STREQ(arg, "-usb")) {
-            /* ignore, always added by libvirt */
+            virDomainControllerDefPtr ctldef;
+            if (VIR_ALLOC(ctldef) < 0)
+                goto no_memory;
+            ctldef->type = VIR_DOMAIN_CONTROLLER_TYPE_USB;
+            ctldef->idx = 0;
+            ctldef->model = -1;
+            virDomainControllerInsert(def, ctldef);
         } else if (STREQ(arg, "-pidfile")) {
             WANT_VALUE();
             if (pidfile)
diff --git a/tests/define-dev-segfault b/tests/define-dev-segfault
index 3feff4668b..0a0532bdd8 100755
--- a/tests/define-dev-segfault
+++ b/tests/define-dev-segfault
@@ -36,6 +36,7 @@ cat <<\EOF > D.xml || fail=1
   <on_crash>destroy</on_crash>
   <devices>
     <emulator>/usr/bin/qemu-kvm</emulator>
+    <controller type='usb' index='0'/>
     <serial type='pty'>
       <target port='0'/>
     </serial>
diff --git a/tests/domainsnapshotxml2xmlout/disk_snapshot.xml b/tests/domainsnapshotxml2xmlout/disk_snapshot.xml
index a0a0965479..91dba794d2 100644
--- a/tests/domainsnapshotxml2xmlout/disk_snapshot.xml
+++ b/tests/domainsnapshotxml2xmlout/disk_snapshot.xml
@@ -69,6 +69,7 @@
         <target dev='hdf' bus='ide'/>
         <address type='drive' controller='0' bus='5' unit='0'/>
       </disk>
+      <controller type='usb' index='0'/>
       <controller type='ide' index='0'/>
       <memballoon model='virtio'/>
     </devices>
diff --git a/tests/domainsnapshotxml2xmlout/full_domain.xml b/tests/domainsnapshotxml2xmlout/full_domain.xml
index 76f17e11fc..30639100a0 100644
--- a/tests/domainsnapshotxml2xmlout/full_domain.xml
+++ b/tests/domainsnapshotxml2xmlout/full_domain.xml
@@ -27,6 +27,7 @@
         <target dev='hda' bus='ide'/>
         <address type='drive' controller='0' bus='0' unit='0'/>
       </disk>
+      <controller type='usb' index='0'/>
       <controller type='ide' index='0'/>
       <memballoon model='virtio'/>
     </devices>
diff --git a/tests/domainsnapshotxml2xmlout/metadata.xml b/tests/domainsnapshotxml2xmlout/metadata.xml
index f0ad70b2d2..9553b17b66 100644
--- a/tests/domainsnapshotxml2xmlout/metadata.xml
+++ b/tests/domainsnapshotxml2xmlout/metadata.xml
@@ -31,6 +31,7 @@
         <target dev='hda' bus='ide'/>
         <address type='drive' controller='0' bus='0' unit='0'/>
       </disk>
+      <controller type='usb' index='0'/>
       <controller type='ide' index='0'/>
       <memballoon model='virtio'/>
     </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-bios.xml b/tests/qemuxml2argvdata/qemuxml2argv-bios.xml
index 5ce3e24c3f..9b7116481c 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-bios.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-bios.xml
@@ -21,6 +21,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <serial type='pty'>
       <target port='0'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-blkdeviotune.xml b/tests/qemuxml2argvdata/qemuxml2argv-blkdeviotune.xml
index 7b6ec8f512..6b4da65ac3 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-blkdeviotune.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-blkdeviotune.xml
@@ -35,6 +35,7 @@
       </iotune>
       <address type='drive' controller='0' bus='0' unit='1'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-blkiotune-device.xml b/tests/qemuxml2argvdata/qemuxml2argv-blkiotune-device.xml
index 3412753b40..6c2d282a84 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-blkiotune-device.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-blkiotune-device.xml
@@ -30,6 +30,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-blkiotune.xml b/tests/qemuxml2argvdata/qemuxml2argv-blkiotune.xml
index 4fa03ef26f..ae7133f65c 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-blkiotune.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-blkiotune.xml
@@ -22,6 +22,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-boot-cdrom.xml b/tests/qemuxml2argvdata/qemuxml2argv-boot-cdrom.xml
index 14ccd2342c..183894b6fc 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-boot-cdrom.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-boot-cdrom.xml
@@ -20,6 +20,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-boot-complex-bootindex.xml b/tests/qemuxml2argvdata/qemuxml2argv-boot-complex-bootindex.xml
index b4d6f4ff14..860f52ece7 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-boot-complex-bootindex.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-boot-complex-bootindex.xml
@@ -50,6 +50,7 @@
       <target dev='fda' bus='fdc'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='fdc' index='0'/>
     <controller type='ide' index='0'/>
     <interface type='user'>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-boot-complex.xml b/tests/qemuxml2argvdata/qemuxml2argv-boot-complex.xml
index b4d6f4ff14..860f52ece7 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-boot-complex.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-boot-complex.xml
@@ -50,6 +50,7 @@
       <target dev='fda' bus='fdc'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='fdc' index='0'/>
     <controller type='ide' index='0'/>
     <interface type='user'>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-boot-floppy.xml b/tests/qemuxml2argvdata/qemuxml2argv-boot-floppy.xml
index db3a94f651..ff2073608c 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-boot-floppy.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-boot-floppy.xml
@@ -24,6 +24,7 @@
       <target dev='fda' bus='fdc'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='fdc' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-boot-menu-disable-drive-bootindex.xml b/tests/qemuxml2argvdata/qemuxml2argv-boot-menu-disable-drive-bootindex.xml
index bc1da8a24e..66a64df8bb 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-boot-menu-disable-drive-bootindex.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-boot-menu-disable-drive-bootindex.xml
@@ -21,6 +21,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-boot-menu-disable-drive.xml b/tests/qemuxml2argvdata/qemuxml2argv-boot-menu-disable-drive.xml
index bc1da8a24e..66a64df8bb 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-boot-menu-disable-drive.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-boot-menu-disable-drive.xml
@@ -21,6 +21,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-boot-menu-disable.xml b/tests/qemuxml2argvdata/qemuxml2argv-boot-menu-disable.xml
index bc1da8a24e..66a64df8bb 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-boot-menu-disable.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-boot-menu-disable.xml
@@ -21,6 +21,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-boot-menu-enable.xml b/tests/qemuxml2argvdata/qemuxml2argv-boot-menu-enable.xml
index c35b2bd5ea..d92f6810c4 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-boot-menu-enable.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-boot-menu-enable.xml
@@ -21,6 +21,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-boot-multi.xml b/tests/qemuxml2argvdata/qemuxml2argv-boot-multi.xml
index 44ca0fadfc..09556da3f2 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-boot-multi.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-boot-multi.xml
@@ -24,6 +24,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-boot-network.xml b/tests/qemuxml2argvdata/qemuxml2argv-boot-network.xml
index d3f3369a78..aec0796b81 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-boot-network.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-boot-network.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-boot-order.xml b/tests/qemuxml2argvdata/qemuxml2argv-boot-order.xml
index 68741fec36..f46ef5c44c 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-boot-order.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-boot-order.xml
@@ -40,6 +40,7 @@
       <boot order='4'/>
       <address type='drive' controller='0' bus='0' unit='1'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='fdc' index='0'/>
     <interface type='user'>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-bootloader.xml b/tests/qemuxml2argvdata/qemuxml2argv-bootloader.xml
index 6ce846d5d4..332e6b6e1b 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-bootloader.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-bootloader.xml
@@ -20,6 +20,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-channel-guestfwd.xml b/tests/qemuxml2argvdata/qemuxml2argv-channel-guestfwd.xml
index b1d528143f..1016eadcd5 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-channel-guestfwd.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-channel-guestfwd.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <channel type='pipe'>
       <source path='/tmp/guestfwd'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-channel-spicevmc-old.xml b/tests/qemuxml2argvdata/qemuxml2argv-channel-spicevmc-old.xml
index 0e823942ad..9b53469e63 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-channel-spicevmc-old.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-channel-spicevmc-old.xml
@@ -18,6 +18,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='virtio-serial' index='1'>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x0a' function='0x0'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-channel-spicevmc.xml b/tests/qemuxml2argvdata/qemuxml2argv-channel-spicevmc.xml
index 0e823942ad..9b53469e63 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-channel-spicevmc.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-channel-spicevmc.xml
@@ -18,6 +18,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='virtio-serial' index='1'>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x0a' function='0x0'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-channel-virtio-auto.xml b/tests/qemuxml2argvdata/qemuxml2argv-channel-virtio-auto.xml
index c127d84295..dd3bd9d7d4 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-channel-virtio-auto.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-channel-virtio-auto.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='virtio-serial' index='0' ports='16' vectors='4'/>
     <controller type='virtio-serial' index='1'>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-channel-virtio.xml b/tests/qemuxml2argvdata/qemuxml2argv-channel-virtio.xml
index f612c0262f..e13f8b9ef8 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-channel-virtio.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-channel-virtio.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='virtio-serial' index='1'>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x0a' function='0x0'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-clock-france.xml b/tests/qemuxml2argvdata/qemuxml2argv-clock-france.xml
index 017ef39e34..60560ee2dd 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-clock-france.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-clock-france.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-clock-localtime.xml b/tests/qemuxml2argvdata/qemuxml2argv-clock-localtime.xml
index ed746c1f81..958b3d23a8 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-clock-localtime.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-clock-localtime.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-clock-utc.xml b/tests/qemuxml2argvdata/qemuxml2argv-clock-utc.xml
index 479a1d92e6..317f793f03 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-clock-utc.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-clock-utc.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-clock-variable.xml b/tests/qemuxml2argvdata/qemuxml2argv-clock-variable.xml
index 9f52ccaf25..eea6ce4c38 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-clock-variable.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-clock-variable.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-console-compat-auto.xml b/tests/qemuxml2argvdata/qemuxml2argv-console-compat-auto.xml
index bd199887dd..7fb2ff915e 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-console-compat-auto.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-console-compat-auto.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <console type='pty'>
       <target port='0'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-console-compat-chardev.xml b/tests/qemuxml2argvdata/qemuxml2argv-console-compat-chardev.xml
index 0bf52f47a8..1a7899a8d9 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-console-compat-chardev.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-console-compat-chardev.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <serial type='pty'>
       <target port='0'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-console-compat.xml b/tests/qemuxml2argvdata/qemuxml2argv-console-compat.xml
index 901152259a..f579b1118c 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-console-compat.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-console-compat.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <serial type='pty'>
       <target port='0'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-console-virtio-many.xml b/tests/qemuxml2argvdata/qemuxml2argv-console-virtio-many.xml
index e65fb744f2..71b7fbea70 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-console-virtio-many.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-console-virtio-many.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='virtio-serial' index='0'/>
     <serial type='pty'>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-console-virtio.xml b/tests/qemuxml2argvdata/qemuxml2argv-console-virtio.xml
index 259af4a631..8311e591d1 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-console-virtio.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-console-virtio.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <console type='pty'>
       <target type='virtio'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-cpu-host-kvmclock.xml b/tests/qemuxml2argvdata/qemuxml2argv-cpu-host-kvmclock.xml
index 15a9e44b09..50f582b33d 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-cpu-host-kvmclock.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-cpu-host-kvmclock.xml
@@ -18,6 +18,7 @@
   <on_crash>destroy</on_crash>
   <devices>
     <emulator>/./qemu.sh</emulator>
+    <controller type='usb' index='0'/>
     <memballoon model='virtio'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-cpu-kvmclock.xml b/tests/qemuxml2argvdata/qemuxml2argv-cpu-kvmclock.xml
index 2b51b0e326..63a6163926 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-cpu-kvmclock.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-cpu-kvmclock.xml
@@ -19,6 +19,7 @@
   <on_crash>destroy</on_crash>
   <devices>
     <emulator>/./qemu.sh</emulator>
+    <controller type='usb' index='0'/>
     <memballoon model='virtio'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-cputune.xml b/tests/qemuxml2argvdata/qemuxml2argv-cputune.xml
index 091865a88a..b89232088c 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-cputune.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-cputune.xml
@@ -26,6 +26,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-aio.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-aio.xml
index f6d7633ef7..12b114f1b7 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-aio.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-aio.xml
@@ -27,6 +27,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom-empty.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom-empty.xml
index bc40d16ac3..565b8e21e3 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom-empty.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom-empty.xml
@@ -24,6 +24,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom.xml
index 2fd2e6abaf..cea3f4abd6 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom.xml
@@ -25,6 +25,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-copy_on_read.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-copy_on_read.xml
index 433c641fab..a94623a5af 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-copy_on_read.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-copy_on_read.xml
@@ -32,6 +32,7 @@
       <model type='virtio'/>
       <driver name='vhost' txmode='iothread'/>
     </interface>
+    <controller type='usb' index='0'/>
     <controller type='virtio-serial' index='0'>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
     </controller>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-cdrom.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-cdrom.xml
index 434cd7e60d..a018655acd 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-cdrom.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-cdrom.xml
@@ -24,6 +24,7 @@
       <target dev='hdc' bus='ide'/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-disk.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-disk.xml
index 452cb822a7..ba27ec6bfa 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-disk.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-disk.xml
@@ -24,6 +24,7 @@
       <target dev='hdc' bus='ide'/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-directsync.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-directsync.xml
index 17d7c1c4bc..199622391e 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-directsync.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-directsync.xml
@@ -27,6 +27,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-unsafe.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-unsafe.xml
index 37185f64d8..562ff0ad5a 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-unsafe.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-unsafe.xml
@@ -27,6 +27,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-none.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-none.xml
index 3f60871192..2d954debf8 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-none.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-none.xml
@@ -27,6 +27,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-wb.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-wb.xml
index 6a4e8e397b..adb243dc1f 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-wb.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-wb.xml
@@ -27,6 +27,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-wt.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-wt.xml
index 5f351f5a14..0c50f48191 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-wt.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-wt.xml
@@ -27,6 +27,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-none.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-none.xml
index da07d5ea2d..fcf52a4188 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-none.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-none.xml
@@ -27,6 +27,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wb.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wb.xml
index 8c30aecfd3..5445be60a5 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wb.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wb.xml
@@ -27,6 +27,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wt.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wt.xml
index a9e0c337c4..de543a96d1 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wt.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wt.xml
@@ -27,6 +27,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-enospace.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-enospace.xml
index f9a56ab4ad..694c59bd40 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-enospace.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-enospace.xml
@@ -27,6 +27,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-stop.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-stop.xml
index 6d99607a0a..34fe20f110 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-stop.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-stop.xml
@@ -27,6 +27,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-wreport-rignore.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-wreport-rignore.xml
index 70068aa4d6..80cf5fe150 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-wreport-rignore.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-wreport-rignore.xml
@@ -27,6 +27,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-fat.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-fat.xml
index d473711b48..fdf203043a 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-fat.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-fat.xml
@@ -21,6 +21,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-fmt-qcow.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-fmt-qcow.xml
index cc88ef5ff9..dbece2491a 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-fmt-qcow.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-fmt-qcow.xml
@@ -27,6 +27,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd.xml
index c0255a8e36..7ba0ab0976 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd.xml
@@ -26,6 +26,7 @@
       </source>
       <target dev='vda' bus='virtio'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd-auth.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd-auth.xml
index 88f7f7a808..a81bf1a9fb 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd-auth.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd-auth.xml
@@ -31,6 +31,7 @@
       </source>
       <target dev='vda' bus='virtio'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd-ceph-env.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd-ceph-env.xml
index e920db1bc6..f0bcfd565c 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd-ceph-env.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd-ceph-env.xml
@@ -28,6 +28,7 @@
       </source>
       <target dev='vda' bus='virtio'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd.xml
index e920db1bc6..f0bcfd565c 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd.xml
@@ -28,6 +28,7 @@
       </source>
       <target dev='vda' bus='virtio'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-sheepdog.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-sheepdog.xml
index 83d6c4eb90..cd0eef40d8 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-sheepdog.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-sheepdog.xml
@@ -26,6 +26,7 @@
       </source>
       <target dev='vda' bus='virtio'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-no-boot.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-no-boot.xml
index a7e08fd8c9..88ce751ac2 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-no-boot.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-no-boot.xml
@@ -31,6 +31,7 @@
       <target dev='fda' bus='fdc'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='fdc' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='none'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-readonly-disk.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-readonly-disk.xml
index c0cf6a44ac..380f850f7a 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-readonly-disk.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-readonly-disk.xml
@@ -25,6 +25,7 @@
        <readonly/>
        <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-readonly-no-device.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-readonly-no-device.xml
index c0cf6a44ac..380f850f7a 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-readonly-no-device.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-readonly-no-device.xml
@@ -25,6 +25,7 @@
        <readonly/>
        <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-shared.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-shared.xml
index 8dcf4b7258..c155040574 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-shared.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-shared.xml
@@ -29,6 +29,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-floppy.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-floppy.xml
index 6c2a18ddc8..99adcd4d72 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-floppy.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-floppy.xml
@@ -29,6 +29,7 @@
       <target dev='fdb' bus='fdc'/>
       <address type='drive' controller='0' bus='0' unit='1'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='fdc' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-ioeventfd.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-ioeventfd.xml
index c565c9f988..3bc82cbb73 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-ioeventfd.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-ioeventfd.xml
@@ -32,6 +32,7 @@
       <model type='virtio'/>
       <driver name='vhost' txmode='iothread' ioeventfd='off'/>
     </interface>
+    <controller type='usb' index='0'/>
     <controller type='virtio-serial' index='0'>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
     </controller>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-many.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-many.xml
index 3b28a34645..c04d6e2e80 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-many.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-many.xml
@@ -34,6 +34,7 @@
       <target dev='hdd' bus='ide'/>
       <address type='drive' controller='0' bus='1' unit='1'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-order.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-order.xml
index b07bbedec4..d89e57bde0 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-order.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-order.xml
@@ -31,6 +31,7 @@
       <source file='/tmp/data.img'/>
       <target dev='vda' bus='virtio'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-sata-device.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-sata-device.xml
index 68a14f2850..81f30e5993 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-sata-device.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-sata-device.xml
@@ -19,6 +19,7 @@
       <target dev='sda' bus='sata'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='sata' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-device-auto.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-device-auto.xml
index a7e55b0644..fbbf6ed84f 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-device-auto.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-device-auto.xml
@@ -18,6 +18,7 @@
       <source dev='/dev/HostVG/QEMUGuest1'/>
       <target dev='hda' bus='ide'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <disk type='file' device='disk'>
       <source file='/tmp/scsidisk.img'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-device.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-device.xml
index 530c0a624d..17b59d8b05 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-device.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-device.xml
@@ -24,6 +24,7 @@
       <target dev='sda' bus='scsi'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='scsi' index='0'/>
     <memballoon model='virtio'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-virtio-scsi.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-virtio-scsi.xml
index 452ade830d..3c61e1ffdc 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-virtio-scsi.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-virtio-scsi.xml
@@ -24,6 +24,7 @@
       <target dev='sda' bus='scsi'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='scsi' index='0' model='virtio-scsi'/>
     <memballoon model='virtio'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-vscsi.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-vscsi.xml
index 7cf5798c14..12f928a03c 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-vscsi.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-vscsi.xml
@@ -24,6 +24,7 @@
       <target dev='sda' bus='scsi'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='scsi' index='0' model='ibmvscsi'/>
     <memballoon model='virtio'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-snapshot.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-snapshot.xml
index aeb2315caa..2501ac8b0a 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-snapshot.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-snapshot.xml
@@ -33,6 +33,7 @@
       <target dev='hdb' bus='ide'/>
       <address type='drive' controller='0' bus='2' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-transient.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-transient.xml
index df49c4853d..e5aef0a366 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-transient.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-transient.xml
@@ -21,6 +21,7 @@
       <transient/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-usb.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-usb.xml
index 0a9adef6f9..a8a505d4a3 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-usb.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-usb.xml
@@ -23,6 +23,7 @@
       <source file='/tmp/usbdisk.img'/>
       <target dev='sda' bus='usb'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-virtio.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-virtio.xml
index eef9a1bbc1..9a9e96674c 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-virtio.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-virtio.xml
@@ -33,6 +33,7 @@
       <source file='/tmp/logs.img'/>
       <target dev='vdb' bus='virtio'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-xenvbd.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-xenvbd.xml
index c940847684..4497a04c15 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-xenvbd.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-xenvbd.xml
@@ -33,6 +33,7 @@
       <source file='/tmp/logs.img'/>
       <target dev='xvdg' bus='xen'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-encrypted-disk.xml b/tests/qemuxml2argvdata/qemuxml2argv-encrypted-disk.xml
index fdcf624807..636f7e42ad 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-encrypted-disk.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-encrypted-disk.xml
@@ -23,6 +23,7 @@
       </encryption>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <memballoon model='virtio'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-event_idx.xml b/tests/qemuxml2argvdata/qemuxml2argv-event_idx.xml
index 81f2200299..6dc346d2c7 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-event_idx.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-event_idx.xml
@@ -29,6 +29,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='virtio-serial' index='0'>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
     </controller>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-floppy-drive-fat.xml b/tests/qemuxml2argvdata/qemuxml2argv-floppy-drive-fat.xml
index ceee0b8aad..4d6ebd76a1 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-floppy-drive-fat.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-floppy-drive-fat.xml
@@ -21,6 +21,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='fdc' index='0'/>
     <memballoon model='virtio'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-fs9p.xml b/tests/qemuxml2argvdata/qemuxml2argv-fs9p.xml
index e31db4879c..c187995548 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-fs9p.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-fs9p.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <filesystem type='mount'>
       <source dir='/export/to/guest'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-listen-network.xml b/tests/qemuxml2argvdata/qemuxml2argv-graphics-listen-network.xml
index a49e5d39e5..c3410547e8 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-graphics-listen-network.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-listen-network.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <input type='mouse' bus='ps2'/>
     <graphics type='vnc' port='5903' autoport='no'>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-listen-network2.xml b/tests/qemuxml2argvdata/qemuxml2argv-graphics-listen-network2.xml
index 1c55eff1a1..7985625d70 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-graphics-listen-network2.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-listen-network2.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <input type='mouse' bus='ps2'/>
     <graphics type='vnc' listen='1.2.3.4' autoport='yes'>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl-fullscreen.xml b/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl-fullscreen.xml
index 4e11a28ce3..277c1d4057 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl-fullscreen.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl-fullscreen.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <input type='mouse' bus='ps2'/>
     <graphics type='sdl' display=':0.1' xauth='/root/.Xauthority' fullscreen='yes'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl.xml b/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl.xml
index cf5aaa9f72..a5a169a9e5 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <input type='mouse' bus='ps2'/>
     <graphics type='sdl' display=':0.1' xauth='/root/.Xauthority'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-spice-compression.xml b/tests/qemuxml2argvdata/qemuxml2argv-graphics-spice-compression.xml
index d92211c6cc..33e219024e 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-graphics-spice-compression.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-spice-compression.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <input type='mouse' bus='ps2'/>
     <graphics type='spice' port='5903' tlsPort='5904' autoport='no' listen='127.0.0.1'>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-spice-qxl-vga.xml b/tests/qemuxml2argvdata/qemuxml2argv-graphics-spice-qxl-vga.xml
index 65fc2d9793..ac1a9154e0 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-graphics-spice-qxl-vga.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-spice-qxl-vga.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <input type='mouse' bus='ps2'/>
     <graphics type='spice' port='5903' tlsPort='5904' autoport='no' listen='127.0.0.1'>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-spice.xml b/tests/qemuxml2argvdata/qemuxml2argv-graphics-spice.xml
index 5313b3ad88..d4e68e4a44 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-graphics-spice.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-spice.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <input type='mouse' bus='ps2'/>
     <graphics type='spice' port='5903' tlsPort='5904' autoport='no' listen='127.0.0.1'>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-sasl.xml b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-sasl.xml
index 1f6c115be9..339b1fd14e 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-sasl.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-sasl.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <input type='mouse' bus='ps2'/>
     <graphics type='vnc' port='5903' autoport='no' listen='127.0.0.1'>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-socket.xml b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-socket.xml
index 19c9213736..e3151e5411 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-socket.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-socket.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <input type='mouse' bus='ps2'/>
     <graphics type='vnc' socket='/tmp/foo.socket'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-tls.xml b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-tls.xml
index 1f6c115be9..339b1fd14e 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-tls.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-tls.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <input type='mouse' bus='ps2'/>
     <graphics type='vnc' port='5903' autoport='no' listen='127.0.0.1'>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc.xml b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc.xml
index f93faccc7f..ad2bfc095a 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <input type='mouse' bus='ps2'/>
     <graphics type='vnc' port='5903' autoport='no' listen='2001:1:2:3:4:5:1234:1234'>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-hostdev-pci-address.xml b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-pci-address.xml
index a88ada4ff8..a7f0410326 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-hostdev-pci-address.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-pci-address.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <hostdev mode='subsystem' type='pci' managed='yes'>
       <source>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-address.xml b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-address.xml
index c224291a1f..80b4771b47 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-address.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-address.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <hostdev mode='subsystem' type='usb' managed='no'>
       <source>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-hugepages.xml b/tests/qemuxml2argvdata/qemuxml2argv-hugepages.xml
index 78bf4e1e05..fa0bb964dd 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-hugepages.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-hugepages.xml
@@ -22,6 +22,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-input-usbmouse-addr.xml b/tests/qemuxml2argvdata/qemuxml2argv-input-usbmouse-addr.xml
index a2fa8e3041..858b385061 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-input-usbmouse-addr.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-input-usbmouse-addr.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <input type='mouse' bus='usb'>
       <address type='usb' bus='0' port='4'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-input-usbmouse.xml b/tests/qemuxml2argvdata/qemuxml2argv-input-usbmouse.xml
index b9aff61de9..cc78f9f0c1 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-input-usbmouse.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-input-usbmouse.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <input type='mouse' bus='usb'/>
     <memballoon model='virtio'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-input-usbtablet.xml b/tests/qemuxml2argvdata/qemuxml2argv-input-usbtablet.xml
index 18d5cb5031..c042ed2f21 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-input-usbtablet.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-input-usbtablet.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <input type='tablet' bus='usb'/>
     <memballoon model='virtio'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-input-xen.xml b/tests/qemuxml2argvdata/qemuxml2argv-input-xen.xml
index fb42c95d54..0b82b3b7aa 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-input-xen.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-input-xen.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <input type='mouse' bus='xen'/>
     <graphics type='vnc' port='5903' autoport='no' listen='127.0.0.1'>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-kvmclock.xml b/tests/qemuxml2argvdata/qemuxml2argv-kvmclock.xml
index 6ff3b356fa..fbd31ec94e 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-kvmclock.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-kvmclock.xml
@@ -16,6 +16,7 @@
   <on_crash>destroy</on_crash>
   <devices>
     <emulator>/usr/bin/kvm</emulator>
+    <controller type='usb' index='0'/>
     <memballoon model='virtio'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-lease.xml b/tests/qemuxml2argvdata/qemuxml2argv-lease.xml
index 7efe1eff9b..b998f62518 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-lease.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-lease.xml
@@ -25,6 +25,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <lease>
       <lockspace>somearea</lockspace>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-memtune.xml b/tests/qemuxml2argvdata/qemuxml2argv-memtune.xml
index 37b5c88ee9..c81a253a73 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-memtune.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-memtune.xml
@@ -24,6 +24,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-migrate.xml b/tests/qemuxml2argvdata/qemuxml2argv-migrate.xml
index 99e81ae000..e16fce5d53 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-migrate.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-migrate.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-minimal.xml b/tests/qemuxml2argvdata/qemuxml2argv-minimal.xml
index 51eb59a5e6..d06027105d 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-minimal.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-minimal.xml
@@ -24,6 +24,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-misc-acpi.xml b/tests/qemuxml2argvdata/qemuxml2argv-misc-acpi.xml
index d5f8d2ff48..a4fce92644 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-misc-acpi.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-misc-acpi.xml
@@ -22,6 +22,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-misc-no-reboot.xml b/tests/qemuxml2argvdata/qemuxml2argv-misc-no-reboot.xml
index b06493fa1e..b84a0b4c1d 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-misc-no-reboot.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-misc-no-reboot.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-misc-uuid.xml b/tests/qemuxml2argvdata/qemuxml2argv-misc-uuid.xml
index d5f8d2ff48..a4fce92644 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-misc-uuid.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-misc-uuid.xml
@@ -22,6 +22,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-monitor-json.xml b/tests/qemuxml2argvdata/qemuxml2argv-monitor-json.xml
index 1901715de7..676030406a 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-monitor-json.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-monitor-json.xml
@@ -19,6 +19,7 @@
       <source file='/dev/hda1'/>
       <target dev='hda'/>
     </disk>
+    <controller type='usb' index='0'/>
     <memballoon model='virtio'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-bandwidth.xml b/tests/qemuxml2argvdata/qemuxml2argv-net-bandwidth.xml
index 852c97b578..d5e4b9a1d6 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-net-bandwidth.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-net-bandwidth.xml
@@ -34,6 +34,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
     </controller>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.xml b/tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.xml
index a638e06faf..bd5a153064 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <interface type='ethernet'>
       <mac address='00:11:22:33:44:55'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-eth.xml b/tests/qemuxml2argvdata/qemuxml2argv-net-eth.xml
index d5c4b366e6..61836be0ed 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-net-eth.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-net-eth.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <interface type='ethernet'>
       <mac address='00:11:22:33:44:55'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-user.xml b/tests/qemuxml2argvdata/qemuxml2argv-net-user.xml
index 540808d05b..4a6f041049 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-net-user.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-net-user.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <interface type='user'>
       <mac address='00:11:22:33:44:55'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-virtio-device.xml b/tests/qemuxml2argvdata/qemuxml2argv-net-virtio-device.xml
index 4e7abcd554..013c444c75 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-net-virtio-device.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-net-virtio-device.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <interface type='user'>
       <mac address='00:11:22:33:44:55'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-virtio-netdev.xml b/tests/qemuxml2argvdata/qemuxml2argv-net-virtio-netdev.xml
index 5f2b12c101..2e46562c66 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-net-virtio-netdev.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-net-virtio-netdev.xml
@@ -18,6 +18,7 @@
       <source dev='/dev/HostVG/QEMUGuest1'/>
       <target dev='hda' bus='ide'/>
     </disk>
+    <controller type='usb' index='0'/>
     <interface type='user'>
       <mac address='00:11:22:33:44:55'/>
       <model type='virtio'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-virtio-network-portgroup.xml b/tests/qemuxml2argvdata/qemuxml2argv-net-virtio-network-portgroup.xml
index 0f6e0764c5..4a56f5989a 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-net-virtio-network-portgroup.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-net-virtio-network-portgroup.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <interface type='network'>
       <mac address='00:11:22:33:44:55'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-virtio.xml b/tests/qemuxml2argvdata/qemuxml2argv-net-virtio.xml
index ec930b3660..f17b5a98c3 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-net-virtio.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-net-virtio.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <interface type='user'>
       <mac address='00:11:22:33:44:55'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-nographics-vga.xml b/tests/qemuxml2argvdata/qemuxml2argv-nographics-vga.xml
index 99e81ae000..e16fce5d53 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-nographics-vga.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-nographics-vga.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-parallel-tcp.xml b/tests/qemuxml2argvdata/qemuxml2argv-parallel-tcp.xml
index 5c50eccd88..67cf66131d 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-parallel-tcp.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-parallel-tcp.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <parallel type='tcp'>
       <source mode='bind' host='127.0.0.1' service='9999'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-pci-rom.xml b/tests/qemuxml2argvdata/qemuxml2argv-pci-rom.xml
index 731a69db7f..51eecbc2b2 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-pci-rom.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-pci-rom.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <interface type='user'>
       <mac address='52:54:00:24:a5:9f'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-qemu-ns-no-env.xml b/tests/qemuxml2argvdata/qemuxml2argv-qemu-ns-no-env.xml
index 0d9dd98b14..9bf8da72e7 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-qemu-ns-no-env.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-qemu-ns-no-env.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-restore-v1.xml b/tests/qemuxml2argvdata/qemuxml2argv-restore-v1.xml
index 479a1d92e6..317f793f03 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-restore-v1.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-restore-v1.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-restore-v2-fd.xml b/tests/qemuxml2argvdata/qemuxml2argv-restore-v2-fd.xml
index 99e81ae000..e16fce5d53 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-restore-v2-fd.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-restore-v2-fd.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-restore-v2.xml b/tests/qemuxml2argvdata/qemuxml2argv-restore-v2.xml
index 99e81ae000..e16fce5d53 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-restore-v2.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-restore-v2.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-seclabel-dynamic-baselabel.xml b/tests/qemuxml2argvdata/qemuxml2argv-seclabel-dynamic-baselabel.xml
index fea0eb7d1b..dfbdf9ec80 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-seclabel-dynamic-baselabel.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-seclabel-dynamic-baselabel.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-seclabel-dynamic-override.xml b/tests/qemuxml2argvdata/qemuxml2argv-seclabel-dynamic-override.xml
index 19b1cbb4c6..c34243bc96 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-seclabel-dynamic-override.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-seclabel-dynamic-override.xml
@@ -31,6 +31,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-seclabel-none.xml b/tests/qemuxml2argvdata/qemuxml2argv-seclabel-none.xml
index 9def692132..b3109ba804 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-seclabel-none.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-seclabel-none.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-seclabel-static.xml b/tests/qemuxml2argvdata/qemuxml2argv-seclabel-static.xml
index 416bd865fa..2a8dd5b716 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-seclabel-static.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-seclabel-static.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-dev-chardev.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-dev-chardev.xml
index ea5a3f8cd1..b6f9d29ff5 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-dev-chardev.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-dev-chardev.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <serial type='dev'>
       <source path='/dev/ttyS2'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-dev.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-dev.xml
index 41f473a13c..56f9006d8e 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-dev.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-dev.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <serial type='dev'>
       <source path='/dev/ttyS2'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-file-chardev.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-file-chardev.xml
index 9a3e19759b..c64da7395f 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-file-chardev.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-file-chardev.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <serial type='file'>
       <source path='/tmp/serial.log'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-file.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-file.xml
index 975d81eee0..54bfc93bd4 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-file.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-file.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <serial type='file'>
       <source path='/tmp/serial.log'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-many-chardev.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-many-chardev.xml
index d6116e85ad..29e12be5f6 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-many-chardev.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-many-chardev.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <serial type='pty'>
       <target port='0'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-many.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-many.xml
index e68ad79643..371fc44c0c 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-many.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-many.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <serial type='pty'>
       <target port='0'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-pty-chardev.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-pty-chardev.xml
index 57d1b7477c..17fc702ffd 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-pty-chardev.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-pty-chardev.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <serial type='pty'>
       <target port='0'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-pty.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-pty.xml
index 19dd13171f..7e2ca30c72 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-pty.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-pty.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <serial type='pty'>
       <target port='0'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-chardev.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-chardev.xml
index cd43384456..2b1f5d47a4 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-chardev.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-chardev.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <serial type='tcp'>
       <source mode='connect' host='127.0.0.1' service='9999'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-telnet-chardev.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-telnet-chardev.xml
index 14bead469f..1cebeff57c 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-telnet-chardev.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-telnet-chardev.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <serial type='tcp'>
       <source mode='bind' host='127.0.0.1' service='9999'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-telnet.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-telnet.xml
index ad5a0384de..3b8dca87ff 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-telnet.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-telnet.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <serial type='tcp'>
       <source mode='bind' host='127.0.0.1' service='9999'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp.xml
index 45ad585497..fe19f8b2ad 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <serial type='tcp'>
       <source mode='connect' host='127.0.0.1' service='9999'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-udp-chardev.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-udp-chardev.xml
index 9627c67577..52ccc94647 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-udp-chardev.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-udp-chardev.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <serial type='udp'>
       <source mode='bind' host='127.0.0.1' service='9999'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-udp.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-udp.xml
index f606ea4479..31c9104de3 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-udp.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-udp.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <serial type='udp'>
       <source mode='bind' host='127.0.0.1' service='9999'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-unix-chardev.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-unix-chardev.xml
index 4ed72aa0cd..e86c1ae111 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-unix-chardev.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-unix-chardev.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <serial type='unix'>
       <source mode='connect' path='/tmp/serial.sock'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-unix.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-unix.xml
index 4685ad4b9d..053cec191d 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-unix.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-unix.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <serial type='unix'>
       <source mode='connect' path='/tmp/serial.sock'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-vc.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-vc.xml
index 610033217b..c0860925fe 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-vc.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-vc.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <serial type='vc'>
       <target port='0'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-smp.xml b/tests/qemuxml2argvdata/qemuxml2argv-smp.xml
index cba15dc3c9..9d0d918cd4 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-smp.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-smp.xml
@@ -22,6 +22,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-sound.xml b/tests/qemuxml2argvdata/qemuxml2argv-sound.xml
index 57cabb4235..e5b3f13615 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-sound.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-sound.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <sound model='pcspk'/>
     <sound model='es1370'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-virtio-lun.xml b/tests/qemuxml2argvdata/qemuxml2argv-virtio-lun.xml
index 63107d524a..1b183aa961 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-virtio-lun.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-virtio-lun.xml
@@ -28,6 +28,7 @@
       <target dev='vdb' bus='virtio'/>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='virtio-serial' index='0'>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
     </controller>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-watchdog.xml b/tests/qemuxml2argvdata/qemuxml2argv-watchdog.xml
index 06da70bb09..e1f6e56181 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-watchdog.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-watchdog.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <watchdog model='ib700' action='poweroff'/>
     <memballoon model='virtio'/>
diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-balloon-device-auto.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-balloon-device-auto.xml
index 479a1d92e6..317f793f03 100644
--- a/tests/qemuxml2xmloutdata/qemuxml2xmlout-balloon-device-auto.xml
+++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-balloon-device-auto.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-channel-virtio-auto.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-channel-virtio-auto.xml
index a52ea8e8ad..1602b6cfd1 100644
--- a/tests/qemuxml2xmloutdata/qemuxml2xmlout-channel-virtio-auto.xml
+++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-channel-virtio-auto.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='virtio-serial' index='0' ports='16' vectors='4'/>
     <controller type='virtio-serial' index='1'>
diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-console-compat-auto.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-console-compat-auto.xml
index 901152259a..f579b1118c 100644
--- a/tests/qemuxml2xmloutdata/qemuxml2xmlout-console-compat-auto.xml
+++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-console-compat-auto.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <serial type='pty'>
       <target port='0'/>
diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-console-virtio.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-console-virtio.xml
index b64c7e5016..f1f70c7c5e 100644
--- a/tests/qemuxml2xmloutdata/qemuxml2xmlout-console-virtio.xml
+++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-console-virtio.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='virtio-serial' index='0'/>
     <console type='pty'>
diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-disk-cdrom-empty.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-disk-cdrom-empty.xml
index 9299da3dbe..897b0d2373 100644
--- a/tests/qemuxml2xmloutdata/qemuxml2xmlout-disk-cdrom-empty.xml
+++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-disk-cdrom-empty.xml
@@ -25,6 +25,7 @@
       <readonly/>
       <address type='drive' controller='0' bus='1' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <memballoon model='virtio'/>
   </devices>
diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-disk-scsi-device-auto.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-disk-scsi-device-auto.xml
index 530c0a624d..17b59d8b05 100644
--- a/tests/qemuxml2xmloutdata/qemuxml2xmlout-disk-scsi-device-auto.xml
+++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-disk-scsi-device-auto.xml
@@ -24,6 +24,7 @@
       <target dev='sda' bus='scsi'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='scsi' index='0'/>
     <memballoon model='virtio'/>
diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-graphics-listen-network2.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-graphics-listen-network2.xml
index d369b890ab..188e14a5ad 100644
--- a/tests/qemuxml2xmloutdata/qemuxml2xmlout-graphics-listen-network2.xml
+++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-graphics-listen-network2.xml
@@ -19,6 +19,7 @@
       <target dev='hda' bus='ide'/>
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
+    <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <input type='mouse' bus='ps2'/>
     <graphics type='vnc' port='-1' autoport='yes' listen='1.2.3.4'>
diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-graphics-spice-timeout.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-graphics-spice-timeout.xml
index ac72822508..53298d13e9 100644
--- a/tests/qemuxml2xmloutdata/qemuxml2xmlout-graphics-spice-timeout.xml
+++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-graphics-spice-timeout.xml
@@ -58,6 +58,7 @@
     <controller type='virtio-serial' index='0'>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
     </controller>
+    <controller type='usb' index='0'/>
     <interface type='ethernet'>
       <mac address='52:54:00:71:70:89'/>
       <script path='/etc/qemu-ifup'/>
diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-metadata.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-metadata.xml
index a029404181..01b820d62f 100644
--- a/tests/qemuxml2xmloutdata/qemuxml2xmlout-metadata.xml
+++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-metadata.xml
@@ -24,6 +24,7 @@
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
     <controller type='ide' index='0'/>
+    <controller type='usb' index='0'/>
     <memballoon model='virtio'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-serial-target-port-auto.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-serial-target-port-auto.xml
index 878418a7a2..44472c7539 100644
--- a/tests/qemuxml2xmloutdata/qemuxml2xmlout-serial-target-port-auto.xml
+++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-serial-target-port-auto.xml
@@ -20,6 +20,7 @@
       <address type='drive' controller='0' bus='0' unit='0'/>
     </disk>
     <controller type='ide' index='0'/>
+    <controller type='usb' index='0'/>
     <serial type='pty'>
       <target port='0'/>
     </serial>