qemuxml2argvtest: Add '4.2.0' version of 'pseries-features' test case

Add an example case showing that every feature in the 'pseries-features'
test works also with the oldest supported qemu version.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>

tests/qemuxml2argvdata/pseries-features.ppc64-4.2.0.args

@@ -0,0 +1,30 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/var/lib/libvirt/qemu/domain--1-guest \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/var/lib/libvirt/qemu/domain--1-guest/.local/share \
+XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain--1-guest/.cache \
+XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-guest/.config \
+/usr/bin/qemu-system-ppc64 \
+-name guest=guest,debug-threads=on \
+-S \
+-object secret,id=masterKey0,format=raw,file=/var/lib/libvirt/qemu/domain--1-guest/master-key.aes \
+-machine pseries-4.2,usb=off,resize-hpt=required,cap-hpt-max-page-size=1048576k,cap-htm=on,cap-nested-hv=off,cap-ccf-assist=on,cap-cfpc=fixed,cap-sbbc=broken,cap-ibs=fixed-ccd,dump-guest-core=off \
+-accel tcg \
+-cpu POWER9 \
+-m 512 \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid 1ccfd97d-5eb4-478a-bbe6-88d254c16db7 \
+-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 \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-msg timestamp=on

tests/qemuxml2argvtest.c

@@ -2001,6 +2001,7 @@ mymain(void)
     DO_TEST_CAPS_LATEST_PPC64("pseries-hostdevs-2");
     DO_TEST_CAPS_LATEST_PPC64("pseries-hostdevs-3");
 
+    DO_TEST_CAPS_ARCH_VER("pseries-features", "ppc64", "4.2.0");
     DO_TEST_CAPS_LATEST_PPC64("pseries-features");
 
     /* parse error: no QEMU_CAPS_MACHINE_PSERIES_CAP_HPT_MAX_PAGE_SIZE */