Re: [libvirt] [PATCH v5 08/11] nvdimm: qemu command-line generating for align property

According to the result parsing from xml, add align property into QEMU command line: -object memory-backend-file,...[,align=xxx] Signed-off-by: Luyao Zhong <luyao.zhong(a)intel.com&gt; --- src/qemu/qemu_command.c | 14 +++++++++ .../memory-hotplug-nvdimm-align.x86_64-latest.args | 36 ++++++++++++++++++++++ tests/qemuxml2argvtest.c | 1 + 3 files changed, 51 insertions(+) create mode 100644 tests/qemuxml2argvdata/memory-hotplug-nvdimm-align.x86_64-latest.args diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 66a4a35..eeb49de 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -3398,6 +3398,20 @@ qemuBuildMemoryBackendProps(virJSONValuePtr *backendProps, if (virJSONValueObjectAdd(props, "U:size", mem->size * 1024, NULL) < 0) goto cleanup; + if (mem->alignsize) { + if (!virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_OBJECT_MEMORY_FILE_ALIGN)) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("align property is not available "

+ "with this QEMU binary")); + goto cleanup; + } + if (virJSONValueObjectAdd(props, + "U:align", + mem->alignsize * 1024, + NULL) < 0)