virt-arm: add node-id property to CPU

it will allow switching from cpu_index to property based
numa mapping in follow up patches.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-Id: <1494415802-227633-5-git-send-email-imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index dfd6fd446c..653b4d76fd 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -1350,6 +1350,7 @@ static void machvirt_init(MachineState *machine)
     for (n = 0; n < possible_cpus->len; n++) {
         Object *cpuobj;
         CPUState *cs;
+        int node_id;
 
         if (n >= smp_cpus) {
             break;
@@ -1362,6 +1363,20 @@ static void machvirt_init(MachineState *machine)
         cs = CPU(cpuobj);
         cs->cpu_index = n;
 
+        node_id = numa_get_node_for_cpu(cs->cpu_index);
+        if (node_id == nb_numa_nodes) {
+            /* by default CPUState::numa_node was 0 if it's not set via CLI
+             * keep it this way for now but in future we probably should
+             * refuse to start up with incomplete numa mapping */
+             node_id = 0;
+        }
+        if (cs->numa_node == CPU_UNSET_NUMA_NODE_ID) {
+            cs->numa_node = node_id;
+        } else {
+            /* CPU isn't device_add compatible yet, this shouldn't happen */
+            error_setg(&error_abort, "user set node-id not implemented");
+        }
+
         if (!vms->secure) {
             object_property_set_bool(cpuobj, false, "has_el3", NULL);
         }