tests: Add console-virtio-serial-autoassign-address tests

Add test coverage for multiple virtio consoles on a virtio-serial controller.
This test makes sure that multiple virtconsoles get auto-assigned appropriate
port numbers on a virtio-serial-bus.

Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Aaron M. Brown <aaronmbr@linux.ibm.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>

tests/qemuxmlconfdata/console-virtio-serial-autoassign-address.x86_64-latest.args

@@ -0,0 +1,42 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.config \
+/usr/bin/qemu-system-x86_64 \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/master-key.aes"}' \
+-machine pc,usb=off,dump-guest-core=off,memory-backend=pc.ram,acpi=off \
+-accel tcg \
+-cpu qemu64 \
+-m size=219136k \
+-object '{"qom-type":"memory-backend-ram","id":"pc.ram","size":224395264}' \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-display none \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,fd=1729,server=on,wait=off \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-boot strict=on \
+-device '{"driver":"piix3-usb-uhci","id":"usb","bus":"pci.0","addr":"0x1.0x2"}' \
+-device '{"driver":"virtio-serial-pci","id":"virtio-serial0","bus":"pci.0","addr":"0x2"}' \
+-chardev pty,id=charserial0 \
+-device '{"driver":"isa-serial","chardev":"charserial0","id":"serial0","index":0}' \
+-chardev pty,id=charconsole1 \
+-device '{"driver":"virtconsole","bus":"virtio-serial0.0","nr":0,"chardev":"charconsole1","id":"console1"}' \
+-chardev pty,id=charconsole2 \
+-device '{"driver":"virtconsole","bus":"virtio-serial0.0","nr":0,"chardev":"charconsole2","id":"console2"}' \
+-chardev pty,id=charconsole3 \
+-device '{"driver":"virtconsole","bus":"virtio-serial0.0","nr":0,"chardev":"charconsole3","id":"console3"}' \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-device '{"driver":"virtio-balloon-pci","id":"balloon0","bus":"pci.0","addr":"0x3"}' \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-msg timestamp=on

tests/qemuxmlconfdata/console-virtio-serial-autoassign-address.x86_64-latest.xml

@@ -0,0 +1,54 @@
+<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' cpuset='1-4,8-20,525'>1</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <cpu mode='custom' match='exact' check='none'>
+    <model fallback='forbid'>qemu64</model>
+  </cpu>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
+    <controller type='usb' index='0' model='piix3-uhci'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
+    </controller>
+    <controller type='virtio-serial' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+    </controller>
+    <controller type='pci' index='0' model='pci-root'/>
+    <serial type='pty'>
+      <target type='isa-serial' port='0'>
+        <model name='isa-serial'/>
+      </target>
+    </serial>
+    <console type='pty'>
+      <target type='serial' port='0'/>
+    </console>
+    <console type='pty'>
+      <target type='virtio' port='1'/>
+      <address type='virtio-serial' controller='0' bus='0' port='0'/>
+    </console>
+    <console type='pty'>
+      <target type='virtio' port='2'/>
+      <address type='virtio-serial' controller='0' bus='0' port='0'/>
+    </console>
+    <console type='pty'>
+      <target type='virtio' port='3'/>
+      <address type='virtio-serial' controller='0' bus='0' port='0'/>
+    </console>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <audio id='1' type='none'/>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
+    </memballoon>
+  </devices>
+</domain>

tests/qemuxmlconfdata/console-virtio-serial-autoassign-address.xml

@@ -0,0 +1,40 @@
+<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' cpuset='1-4,8-20,525'>1</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc'>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-system-x86_64</emulator>
+    <controller type='usb' index='0'/>
+    <controller type='virtio-serial' index='0'/>
+    <controller type='pci' index='0' model='pci-root'/>
+    <serial type='pty'>
+      <target port='0'/>
+    </serial>
+    <console type='pty'>
+      <target type='serial' port='0'/>
+    </console>
+    <console type='pty'>
+      <target type='virtio' port='1'/>
+      <address type='virtio-serial' controller='0'/>
+    </console>
+    <console type='pty'>
+      <target type='virtio' port='2'/>
+      <address type='virtio-serial' controller='0'/>
+    </console>
+    <console type='pty'>
+      <target type='virtio' port='3'/>
+      <address type='virtio-serial' controller='0'/>
+    </console>
+    <memballoon model='virtio'/>
+  </devices>
+</domain>

tests/qemuxmlconftest.c

@@ -2055,6 +2055,7 @@ mymain(void)
     DO_TEST_CAPS_LATEST("channel-virtio-autoadd");
     DO_TEST_CAPS_LATEST("console-virtio");
     DO_TEST_CAPS_LATEST("console-virtio-many");
+    DO_TEST_CAPS_LATEST("console-virtio-serial-autoassign-address");
     DO_TEST_CAPS_ARCH_LATEST("console-virtio-ccw", "s390x");
     DO_TEST_CAPS_LATEST("console-virtio-unix");
     DO_TEST_CAPS_ARCH_LATEST("console-sclp", "s390x");