[Qemu-devel] [PATCH v4 8/9] qmp: add set-numa-node command

[Igor Mammedov <imammedo@redhat.com>]

Command is allowed to run only in preconfig stage and
will allow to configure numa mapping for CPUs depending
on possible CPUs layout (query-hotpluggable-cpus) for
given machine instance.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
---
 numa.c         |  5 +++++
 qapi/misc.json | 14 ++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/numa.c b/numa.c
index 2b1d292..02e2631 100644
--- a/numa.c
+++ b/numa.c
@@ -446,6 +446,11 @@ void parse_numa_opts(MachineState *ms)
     }
 }
 
+void qmp_set_numa_node(NumaOptions *cmd, Error **errp)
+{
+    parse_NumaOptions(MACHINE(qdev_get_machine()), cmd, errp);
+}
+
 void numa_cpu_pre_plug(const CPUArchId *slot, DeviceState *dev, Error **errp)
 {
     int node_id = object_property_get_int(OBJECT(dev), "node-id", &error_abort);
diff --git a/qapi/misc.json b/qapi/misc.json
index 691c980..d023ac7 100644
--- a/qapi/misc.json
+++ b/qapi/misc.json
@@ -3218,3 +3218,17 @@
 # Since: 2.9
 ##
 { 'command': 'query-vm-generation-id', 'returns': 'GuidInfo' }
+
+##
+# @set-numa-node:
+#
+# Runtime equivalent of '-numa' CLI option, available at
+# preconfigure stage to configure numa mapping before initializing
+# machine.
+#
+# Since 2.12
+##
+{ 'command': 'set-numa-node', 'boxed': true,
+  'data': 'NumaOptions',
+  'allowed-in-preconfig': true
+}
-- 
2.7.4