tests: add machine vmport qemu test

Check that the vmport feature is correctly used in qemu commande line.

tests/qemuxml2argvdata/qemuxml2argv-machine-vmport-opt.args

+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
+/usr/bin/qemu \
+-S -machine pc,accel=tcg,vmport=off -m 214 -smp 1 -nographic \
+-monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -usb \
+-hda /dev/HostVG/QEMUGuest1 -net none -serial \
+none -parallel none

tests/qemuxml2argvdata/qemuxml2argv-machine-vmport-opt.xml

+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219100</memory>
+  <currentMemory unit='KiB'>219100</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='i686' machine='pc'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <vmport state='off'/>
+  </features>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu</emulator>
+    <disk type='block' device='disk'>
+      <source dev='/dev/HostVG/QEMUGuest1'/>
+      <target dev='hda' bus='ide'/>
+      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+    </disk>
+    <controller type='ide' index='0'/>
+    <memballoon model='virtio'/>
+  </devices>
+</domain>

tests/qemuxml2argvdata/qemuxml2argv-machine-xen-vmport-opt.xml

+<domain type='xen'>
+  <name>XenGuest2</name>
+  <uuid>c7a5fdb2-cdaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>592896</memory>
+  <currentMemory unit='KiB'>403456</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='i686' machine='xenfv'>hvm</type>
+    <loader type='rom'>/usr/lib/xen/boot/hvmloader</loader>
+    <boot dev='cdrom'/>
+  </os>
+  <features>
+    <acpi/>
+    <apic/>
+    <pae/>
+    <vmport state='off'/>
+  </features>
+  <clock offset='utc' adjustment='reset'>
+    <timer name='hpet' present='yes'/>
+  </clock>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>restart</on_crash>
+  <devices>
+    <emulator>/usr/lib/xen/bin/qemu-dm</emulator>
+  </devices>
+</domain>

tests/qemuxml2argvtest.c

@@ -594,6 +594,10 @@ mymain(void)
     DO_TEST_FAILURE("machine-core-on", QEMU_CAPS_MACHINE_OPT);
     DO_TEST("machine-usb-opt", QEMU_CAPS_MACHINE_OPT,
             QEMU_CAPS_MACHINE_USB_OPT);
+    DO_TEST("machine-vmport-opt", QEMU_CAPS_MACHINE_OPT,
+            QEMU_CAPS_MACHINE_VMPORT_OPT);
+    DO_TEST_FAILURE("machine-xen-vmport-opt", QEMU_CAPS_MACHINE_OPT,
+            QEMU_CAPS_MACHINE_VMPORT_OPT);
     DO_TEST("kvm", QEMU_CAPS_MACHINE_OPT);
     DO_TEST("boot-cdrom", NONE);
     DO_TEST("boot-network", NONE);