[PATCH 2/4] qemu_command.c: enable NVDIMM support for ppc64

[Daniel Henrique Barboza]

Using the new 'uuid' element for NVDIMM memory added in the
previous patch, let's enable NVDIMM support for ppc64 guests.

Signed-off-by: Daniel Henrique Barboza <danielhb413 at gmail.com>
---
 src/qemu/qemu_command.c                       |  7 ++++
 .../memory-hotplug-nvdimm-ppc64.args          | 32 +++++++++++++++++++
 tests/qemuxml2argvtest.c                      |  4 +++
 3 files changed, 43 insertions(+)
 create mode 100644 tests/qemuxml2argvdata/memory-hotplug-nvdimm-ppc64.args

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 9e0334a3e7..76f1247329 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -3677,6 +3677,13 @@ qemuBuildMemoryDeviceStr(virDomainMemoryDefPtr mem,
         if (mem->labelsize)
             virBufferAsprintf(&buf, "label-size=%llu,", mem->labelsize * 1024);
 
+        if (virUUIDIsValid(mem->uuid)) {
+            char uuidstr[VIR_UUID_STRING_BUFLEN];
+
+            virUUIDFormat(mem->uuid, uuidstr);
+            virBufferAsprintf(&buf, "uuid=%s,", uuidstr);
+        }
+
         if (mem->readonly) {
             if (!virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE_NVDIMM_UNARMED)) {
                 virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
diff --git a/tests/qemuxml2argvdata/memory-hotplug-nvdimm-ppc64.args b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-ppc64.args
new file mode 100644
index 0000000000..160c5f1131
--- /dev/null
+++ b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-ppc64.args
@@ -0,0 +1,32 @@
+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-ppc64 \
+-name QEMUGuest1 \
+-S \
+-machine pseries,accel=tcg,usb=off,dump-guest-core=off,nvdimm=on \
+-m size=1048576k,slots=16,maxmem=1099511627776k \
+-realtime mlock=off \
+-smp 2,sockets=2,cores=1,threads=1 \
+-numa node,nodeid=0,cpus=0-1,mem=1024 \
+-object memory-backend-file,id=memnvdimm0,prealloc=yes,mem-path=/tmp/nvdimm,\
+size=536870912 \
+-device nvdimm,node=0,uuid=49545eb3-75e1-2d0a-acdd-f0294406c99e,\
+memdev=memnvdimm0,id=nvdimm0,slot=0 \
+-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 \
+-usb \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x2
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index 35d413d40b..077f7e7650 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -2790,6 +2790,10 @@ mymain(void)
     DO_TEST_CAPS_LATEST("memory-hotplug-nvdimm-align");
     DO_TEST_CAPS_LATEST("memory-hotplug-nvdimm-pmem");
     DO_TEST_CAPS_LATEST("memory-hotplug-nvdimm-readonly");
+    DO_TEST("memory-hotplug-nvdimm-ppc64", QEMU_CAPS_KVM, QEMU_CAPS_DEVICE_NVDIMM,
+            QEMU_CAPS_NUMA, QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE,
+            QEMU_CAPS_OBJECT_MEMORY_RAM,
+            QEMU_CAPS_OBJECT_MEMORY_FILE);
 
     DO_TEST("machine-aeskeywrap-on-caps",
             QEMU_CAPS_AES_KEY_WRAP,
-- 
2.24.1