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spapr: add node-id property to sPAPR core

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

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <1494415802-227633-3-git-send-email-imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Igor Mammedov 2017-05-10 13:29:46 +02:00 • committed by Eduardo Habkost
parent ea089eebbd
commit 0b8497f08c
4 changed files with 28 additions and 3 deletions
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17
hw/ppc/spapr.c
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@ -2824,9 +2824,11 @@ static void spapr_core_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
MachineClass *mc = MACHINE_GET_CLASS(hotplug_dev);
Error *local_err = NULL;
CPUCore *cc = CPU_CORE(dev);
sPAPRCPUCore *sc = SPAPR_CPU_CORE(dev);
char *base_core_type = spapr_get_cpu_core_type(machine->cpu_model);
const char *type = object_get_typename(OBJECT(dev));
CPUArchId *core_slot;
int node_id;
int index;
if (dev->hotplugged && !mc->has_hotpluggable_cpus) {
@ -2861,6 +2863,21 @@ static void spapr_core_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
goto out;
}
node_id = numa_get_node_for_cpu(cc->core_id);
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 (sc->node_id == CPU_UNSET_NUMA_NODE_ID) {
sc->node_id = node_id;
} else if (sc->node_id != node_id) {
error_setg(&local_err, "node-id %d must match numa node specified"
"with -numa option for cpu-index %d", sc->node_id, cc->core_id);
goto out;
}
out:
g_free(base_core_type);
error_propagate(errp, local_err);