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-rw-r--r--hw/ppc/spapr.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 9ddf2ff..fe91883 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -2143,16 +2143,41 @@ static void spapr_set_kvm_type(Object *obj, const char *value, Error **errp)
spapr->kvm_type = g_strdup(value);
}
+static bool spapr_get_modern_hotplug_events(Object *obj, Error **errp)
+{
+ sPAPRMachineState *spapr = SPAPR_MACHINE(obj);
+
+ return spapr->use_hotplug_event_source;
+}
+
+static void spapr_set_modern_hotplug_events(Object *obj, bool value,
+ Error **errp)
+{
+ sPAPRMachineState *spapr = SPAPR_MACHINE(obj);
+
+ spapr->use_hotplug_event_source = value;
+}
+
static void spapr_machine_initfn(Object *obj)
{
sPAPRMachineState *spapr = SPAPR_MACHINE(obj);
spapr->htab_fd = -1;
+ spapr->use_hotplug_event_source = true;
object_property_add_str(obj, "kvm-type",
spapr_get_kvm_type, spapr_set_kvm_type, NULL);
object_property_set_description(obj, "kvm-type",
"Specifies the KVM virtualization mode (HV, PR)",
NULL);
+ object_property_add_bool(obj, "modern-hotplug-events",
+ spapr_get_modern_hotplug_events,
+ spapr_set_modern_hotplug_events,
+ NULL);
+ object_property_set_description(obj, "modern-hotplug-events",
+ "Use dedicated hotplug event mechanism in"
+ " place of standard EPOW events when possible"
+ " (required for memory hot-unplug support)",
+ NULL);
}
static void spapr_machine_finalizefn(Object *obj)
@@ -2599,7 +2624,10 @@ static void phb_placement_2_7(sPAPRMachineState *spapr, uint32_t index,
static void spapr_machine_2_7_instance_options(MachineState *machine)
{
+ sPAPRMachineState *spapr = SPAPR_MACHINE(machine);
+
spapr_machine_2_8_instance_options(machine);
+ spapr->use_hotplug_event_source = false;
}
static void spapr_machine_2_7_class_options(MachineClass *mc)