Implement cpu hotplug routine and add the machine hook.
Signed-off-by: Matthew Rosato
Reviewed-by: David Hildenbrand
---
hw/s390x/s390-virtio-ccw.c | 13 +
target-s390x/cpu.c | 7 +++
2 files changed, 20 insertions(+)
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 7fc1879..174a2f8 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -186,6 +186,18 @@ static HotplugHandler
*s390_get_hotplug_handler(MachineState *machine,
return NULL;
}
+static void s390_hot_add_cpu(const int64_t id, Error **errp)
+{
+MachineState *machine = MACHINE(qdev_get_machine());
+Error *err = NULL;
+
+s390_new_cpu(machine->cpu_model, id, );
+if (err) {
+error_propagate(errp, err);
+return;
+}
+}
+
static void ccw_machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
@@ -194,6 +206,7 @@ static void ccw_machine_class_init(ObjectClass *oc, void
*data)
mc->init = ccw_init;
mc->reset = s390_machine_reset;
+mc->hot_add_cpu = s390_hot_add_cpu;
mc->block_default_type = IF_VIRTIO;
mc->no_cdrom = 1;
mc->no_floppy = 1;
diff --git a/target-s390x/cpu.c b/target-s390x/cpu.c
index d1b7af9..4533c94 100644
--- a/target-s390x/cpu.c
+++ b/target-s390x/cpu.c
@@ -34,6 +34,7 @@
#ifndef CONFIG_USER_ONLY
#include "sysemu/arch_init.h"
#include "sysemu/sysemu.h"
+#include "hw/s390x/sclp.h"
#endif
#define CR0_RESET 0xE0UL
@@ -240,6 +241,12 @@ static void s390_cpu_realizefn(DeviceState *dev, Error
**errp)
#endif
scc->parent_realize(dev, errp);
+
+#if !defined(CONFIG_USER_ONLY)
+if (dev->hotplugged) {
+raise_irq_cpu_hotplug();
+}
+#endif
}
static void s390_cpu_set_id(Object *obj, Visitor *v, const char *name,
--
1.9.1