$SUBJ:
qemu: Add command-line to generate the nvdimm align property
On 12/20/18 4:14 AM, Luyao Zhong wrote:
> 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@xxxxxxxxx>
> ---
> 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 "
nvdimm align
> + "with this QEMU binary"));
> + goto cleanup;
> + }
> + if (virJSONValueObjectAdd(props,
> + "U:align",
> + mem->alignsize * 1024,
> + NULL) < 0)
Since we'd be only going a little beyond 80 chars and this helper
already does it, let's just go with one line here:
if (virJSONValueObjectAdd(props, "U:align", mem->alignsize *
1024, NULL) < 0)
I can adjust for you,
Reviewed-by: John Ferlan <jferlan@xxxxxxxxxx>
John
[...]
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