According to the result parsing from xml, add unarmed property
into QEMU command line:
-device nvdimm,...[,unarmed=on/off]
Signed-off-by: Luyao Zhong <luyao.zhong@xxxxxxxxx>
---
src/qemu/qemu_command.c | 16 ++++++++--
src/qemu/qemu_command.h | 3 +-
src/qemu/qemu_hotplug.c | 2 +-
...mory-hotplug-nvdimm-readonly.x86_64-latest.args | 36 ++++++++++++++++++++++
tests/qemuxml2argvtest.c | 1 +
5 files changed, 54 insertions(+), 4 deletions(-)
create mode 100644 tests/qemuxml2argvdata/memory-hotplug-nvdimm-readonly.x86_64-latest.args
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 6a06161..1de3d07 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -3567,7 +3567,8 @@ qemuBuildMemoryDimmBackendStr(virBufferPtr buf,
char *
-qemuBuildMemoryDeviceStr(virDomainMemoryDefPtr mem)
+qemuBuildMemoryDeviceStr(virDomainMemoryDefPtr mem,
+ qemuDomainObjPrivatePtr priv)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
const char *device;
@@ -3595,6 +3596,17 @@ qemuBuildMemoryDeviceStr(virDomainMemoryDefPtr mem)
if (mem->labelsize)
virBufferAsprintf(&buf, "label-size=%llu,", mem->labelsize * 1024);
+ if (mem->readonly) {
+ if (!virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE_NVDIMM_UNARMED)) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("Set readonly for nvdimm, but the corresponding unarmed"
+ "property is not available with this QEMU binary"));
+ return NULL;
+ }
+ virBufferAsprintf(&buf, "unarmed=%s,",
+ mem->readonly ? "on" : "off");
+ }
+
virBufferAsprintf(&buf, "memdev=mem%s,id=%s",
mem->info.alias, mem->info.alias);
@@ -7894,7 +7906,7 @@ qemuBuildMemoryDeviceCommandLine(virCommandPtr cmd,
virCommandAddArg(cmd, "-object");
virCommandAddArgBuffer(cmd, &buf);
- if (!(dimmStr = qemuBuildMemoryDeviceStr(def->mems[i])))
+ if (!(dimmStr = qemuBuildMemoryDeviceStr(def->mems[i], priv)))
return -1;
virCommandAddArgList(cmd, "-device", dimmStr, NULL);
diff --git a/src/qemu/qemu_command.h b/src/qemu/qemu_command.h
index 4647260..1a4f1f5 100644
--- a/src/qemu/qemu_command.h
+++ b/src/qemu/qemu_command.h
@@ -128,7 +128,8 @@ int qemuBuildMemoryBackendProps(virJSONValuePtr *backendProps,
virDomainMemoryDefPtr mem,
bool force);
-char *qemuBuildMemoryDeviceStr(virDomainMemoryDefPtr mem);
+char *qemuBuildMemoryDeviceStr(virDomainMemoryDefPtr mem,
+ qemuDomainObjPrivatePtr priv);
/* Current, best practice */
char *qemuBuildPCIHostdevDevStr(const virDomainDef *def,
diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index 8da0233..a1c3ca9 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -2563,7 +2563,7 @@ qemuDomainAttachMemory(virQEMUDriverPtr driver,
if (virAsprintf(&objalias, "mem%s", mem->info.alias) < 0)
goto cleanup;
- if (!(devstr = qemuBuildMemoryDeviceStr(mem)))
+ if (!(devstr = qemuBuildMemoryDeviceStr(mem, priv)))
goto cleanup;
if (qemuBuildMemoryBackendProps(&props, objalias, cfg,
diff --git a/tests/qemuxml2argvdata/memory-hotplug-nvdimm-readonly.x86_64-latest.args b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-readonly.x86_64-latest.args
new file mode 100644
index 0000000..783d16b
--- /dev/null
+++ b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-readonly.x86_64-latest.args
@@ -0,0 +1,36 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu-system-i686 \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object secret,id=masterKey0,format=raw,\
+file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
+-machine pc,accel=tcg,usb=off,dump-guest-core=off,nvdimm=on \
+-m size=219136k,slots=16,maxmem=1099511627776k \
+-realtime mlock=off \
+-smp 2,sockets=2,cores=1,threads=1 \
+-numa node,nodeid=0,cpus=0-1,mem=214 \
+-object memory-backend-file,id=memnvdimm0,prealloc=yes,mem-path=/tmp/nvdimm,\
+share=no,size=536870912 \
+-device nvdimm,node=0,unarmed=on,memdev=memnvdimm0,id=nvdimm0,slot=0 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-display none \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,fd=1729,server,nowait \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-no-acpi \
+-boot strict=on \
+-device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
+-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 \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
+resourcecontrol=deny \
+-msg timestamp=on
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index a55b5ff..2cb8860 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -2760,6 +2760,7 @@ mymain(void)
DO_TEST_CAPS_LATEST("memory-hotplug-nvdimm-label");
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("machine-aeskeywrap-on-caps",
QEMU_CAPS_AES_KEY_WRAP,
