qemu: Test for virtio-9p-ccw support

This patch adds a test for the qemu command line generation.
Signed-off-by: NBoris Fiuczynski <fiuczy@linux.vnet.ibm.com>
Reviewed-by: NJason J. Herne <jjherne@us.ibm.com>
Reviewed-by: NStefan Zimmermann <stzi@linux.vnet.ibm.com>

tests/qemuxml2argvdata/qemuxml2argv-fs9p-ccw.args

+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
+/usr/bin/qemu -S -M s390-ccw-virtio -m 214 -smp 1 \
+-nographic -nodefconfig -nodefaults \
+-monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c \
+-drive file=/dev/HostVG/QEMUGuest1,if=none,id=drive-virtio-disk0 -device \
+virtio-blk-ccw,devno=fe.0.0000,drive=drive-virtio-disk0,id=virtio-disk0 \
+-fsdev local,security_model=passthrough,id=fsdev-fs0,\
+path=/export/to/guest -device virtio-9p-ccw,id=fs0,fsdev=fsdev-fs0,\
+mount_tag=/import/from/host,devno=fe.0.0001 \
+-fsdev local,security_model=mapped,writeout=immediate,id=fsdev-fs1,\
+path=/export/to/guest2 -device virtio-9p-ccw,id=fs1,fsdev=fsdev-fs1,\
+mount_tag=/import/from/host2,devno=fe.0.0002 \
+-fsdev handle,writeout=immediate,id=fsdev-fs2,\
+path=/export/to/guest3 -device virtio-9p-ccw,id=fs2,fsdev=fsdev-fs2,\
+mount_tag=/import/from/host3,devno=fe.0.0003 \
+-device virtio-balloon-ccw,id=balloon0,devno=fe.0.0004

tests/qemuxml2argvdata/qemuxml2argv-fs9p-ccw.xml

+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219136</memory>
+  <currentMemory unit='KiB'>219136</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='s390x' machine='s390-ccw-virtio'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <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='virtio'/>
+    </disk>
+    <filesystem type='mount'>
+      <source dir='/export/to/guest'/>
+      <target dir='/import/from/host'/>
+    </filesystem>
+    <filesystem accessmode='mapped'>
+      <driver type='path' wrpolicy='immediate'/>
+      <source dir='/export/to/guest2'/>
+      <target dir='/import/from/host2'/>
+    </filesystem>
+    <filesystem>
+      <driver type='handle' wrpolicy='immediate'/>
+      <source dir='/export/to/guest3'/>
+      <target dir='/import/from/host3'/>
+    </filesystem>
+  </devices>
+</domain>

tests/qemuxml2argvtest.c

@@ -1231,6 +1231,10 @@ mymain(void)
     DO_TEST("fs9p",
             QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG, QEMU_CAPS_FSDEV,
             QEMU_CAPS_FSDEV_WRITEOUT);
+    DO_TEST("fs9p-ccw",
+            QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG, QEMU_CAPS_FSDEV,
+            QEMU_CAPS_FSDEV_WRITEOUT, QEMU_CAPS_DRIVE,
+            QEMU_CAPS_VIRTIO_CCW, QEMU_CAPS_VIRTIO_S390);
 
     DO_TEST("hostdev-usb-address", NONE);
     DO_TEST("hostdev-usb-address-device",