qemu: plug <teaming> config from <hostdev> into qemu commandline

Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>

src/qemu/qemu_command.c

@@ -4427,6 +4427,7 @@ qemuBuildPCIHostdevDevStr(const virDomainDef *def,
     g_auto(virBuffer) buf = VIR_BUFFER_INITIALIZER;
     virDomainHostdevSubsysPCIPtr pcisrc = &dev->source.subsys.u.pci;
     int backend = pcisrc->backend;
+    virDomainNetTeamingInfoPtr teaming;
 
     /* caller has to assign proper passthrough backend type */
     switch ((virDomainHostdevSubsysPCIBackendType)backend) {
@@ -4461,11 +4462,15 @@ qemuBuildPCIHostdevDevStr(const virDomainDef *def,
     if (qemuBuildRomStr(&buf, dev->info) < 0)
         return NULL;
 
-    if (dev->parentnet && dev->parentnet->teaming &&
-        dev->parentnet->teaming->type == VIR_DOMAIN_NET_TEAMING_TYPE_TRANSIENT &&
-        dev->parentnet->teaming->persistent) {
-        virBufferAsprintf(&buf,  ",failover_pair_id=%s",
-                          dev->parentnet->teaming->persistent);
+    if (dev->parentnet)
+        teaming = dev->parentnet->teaming;
+    else
+        teaming = dev->teaming;
+
+    if (teaming &&
+        teaming->type == VIR_DOMAIN_NET_TEAMING_TYPE_TRANSIENT &&
+        teaming->persistent) {
+        virBufferAsprintf(&buf,  ",failover_pair_id=%s", teaming->persistent);
     }
 
     return virBufferContentAndReset(&buf);

tests/qemuxml2argvdata/net-virtio-teaming-hostdev.args

@@ -0,0 +1,40 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/tmp/lib/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/tmp/lib/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/tmp/lib/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/tmp/lib/domain--1-QEMUGuest1/.config \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu-system-i386 \
+-name QEMUGuest1 \
+-S \
+-machine pc,accel=tcg,usb=off,dump-guest-core=off \
+-m 214 \
+-realtime mlock=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,path=/tmp/lib/domain--1-QEMUGuest1/monitor.sock,\
+server,nowait \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-no-acpi \
+-usb \
+-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
+-device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
+-netdev user,id=hostua-backup0 \
+-device virtio-net-pci,failover=on,netdev=hostua-backup0,id=ua-backup0,\
+mac=00:11:22:33:44:55,bus=pci.0,addr=0x3 \
+-netdev user,id=hostua-backup1 \
+-device virtio-net-pci,failover=on,netdev=hostua-backup1,id=ua-backup1,\
+mac=66:44:33:22:11:00,bus=pci.0,addr=0x4 \
+-device vfio-pci,host=0000:03:07.1,id=hostdev0,bus=pci.0,addr=0x5,\
+failover_pair_id=ua-backup0 \
+-device vfio-pci,host=0000:03:07.2,id=hostdev1,bus=pci.0,addr=0x6,\
+failover_pair_id=ua-backup1 \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x7

tests/qemuxml2argvtest.c

@@ -1503,6 +1503,9 @@ mymain(void)
             QEMU_CAPS_VIRTIO_NET_FAILOVER,
             QEMU_CAPS_DEVICE_VFIO_PCI);
     DO_TEST_PARSE_ERROR("net-virtio-teaming", NONE);
+    DO_TEST("net-virtio-teaming-hostdev",
+            QEMU_CAPS_VIRTIO_NET_FAILOVER,
+            QEMU_CAPS_DEVICE_VFIO_PCI);
     DO_TEST("net-eth", NONE);
     DO_TEST("net-eth-ifname", NONE);
     DO_TEST("net-eth-names", NONE);