qemuxml2argvtest: hostdev-scsi-virtio-scsi: Add <readonly/> to one of the iSCSI hostdevs

Test a readonly iSCSI backend as well.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>

tests/qemuxml2argvdata/hostdev-scsi-virtio-scsi.x86_64-2.8.0.args

@@ -47,7 +47,7 @@ format=raw,id=drive-hostdev2 \
 -device scsi-generic,bus=scsi0.0,channel=0,scsi-id=2,lun=4,\
 drive=drive-hostdev2,id=hostdev2 \
 -drive file=iscsi://example.org:3260/iqn.1992-01.com.example/1,if=none,\
-format=raw,id=drive-hostdev3 \
+format=raw,id=drive-hostdev3,readonly=on \
 -device scsi-generic,bus=scsi0.0,channel=0,scsi-id=2,lun=5,\
 drive=drive-hostdev3,id=hostdev3 \
 -drive file=iscsi://myname:AQCVn5hO6HzFAhAAq0NCv8jtJcIcE+HOBlMQ1A@example.org:\

tests/qemuxml2argvdata/hostdev-scsi-virtio-scsi.x86_64-4.1.0.args

@@ -48,7 +48,7 @@ format=raw,id=drive-hostdev2 \
 drive=drive-hostdev2,id=hostdev2 \
 -drive file.driver=iscsi,file.portal=example.org:3260,\
 file.target=iqn.1992-01.com.example,file.lun=1,file.transport=tcp,if=none,\
-format=raw,id=drive-hostdev3 \
+format=raw,id=drive-hostdev3,readonly=on \
 -device scsi-generic,bus=scsi0.0,channel=0,scsi-id=2,lun=5,\
 drive=drive-hostdev3,id=hostdev3 \
 -object secret,id=hostdev4-secret0,\

tests/qemuxml2argvdata/hostdev-scsi-virtio-scsi.xml

@@ -58,6 +58,7 @@
       <source protocol='iscsi' name='iqn.1992-01.com.example/1'>
         <host name='example.org' port='3260'/>
       </source>
+      <readonly/>
       <address type='drive' controller='0' bus='0' target='2' unit='5'/>
     </hostdev>
     <hostdev mode='subsystem' type='scsi' managed='yes'>

tests/qemuxml2xmloutdata/hostdev-scsi-virtio-scsi.xml

@@ -65,6 +65,7 @@
       <source protocol='iscsi' name='iqn.1992-01.com.example/1'>
         <host name='example.org' port='3260'/>
       </source>
+      <readonly/>
       <address type='drive' controller='0' bus='0' target='2' unit='5'/>
     </hostdev>
     <hostdev mode='subsystem' type='scsi' managed='yes'>