[Qemu-devel] [PATCH 19/30] s390x: convert s390-virtio to hotplug handler API

[Igor Mammedov <imammedo@redhat.com>]

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
---
 hw/s390x/s390-virtio-bus.c | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/hw/s390x/s390-virtio-bus.c b/hw/s390x/s390-virtio-bus.c
index 6b6fb61..97a907c 100644
--- a/hw/s390x/s390-virtio-bus.c
+++ b/hw/s390x/s390-virtio-bus.c
@@ -102,7 +102,7 @@ VirtIOS390Bus *s390_virtio_bus_init(ram_addr_t *ram_size)
     bus->next_ring = bus->dev_page + TARGET_PAGE_SIZE;
 
     /* Enable hotplugging */
-    _bus->allow_hotplug = 1;
+    qbus_set_hotplug_handler(_bus, dev, &error_abort);
 
     /* Allocate RAM for VirtIO device pages (descriptors, queues, rings) */
     *ram_size += S390_DEVICE_PAGES * TARGET_PAGE_SIZE;
@@ -597,11 +597,12 @@ static void s390_virtio_busdev_reset(DeviceState *dev)
 static void virtio_s390_device_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
+    HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
 
     dc->init = s390_virtio_busdev_init;
     dc->bus_type = TYPE_S390_VIRTIO_BUS;
-    dc->unplug = qdev_simple_unplug_cb;
     dc->reset = s390_virtio_busdev_reset;
+    hc->unplug = qdev_simple_device_unplug_cb;
 }
 
 static const TypeInfo virtio_s390_device_info = {
@@ -611,6 +612,10 @@ static const TypeInfo virtio_s390_device_info = {
     .class_init = virtio_s390_device_class_init,
     .class_size = sizeof(VirtIOS390DeviceClass),
     .abstract = true,
+    .interfaces = (InterfaceInfo[]) {
+        { TYPE_HOTPLUG_HANDLER },
+        { }
+    }
 };
 
 static Property s390_virtio_scsi_properties[] = {
@@ -674,8 +679,10 @@ static int s390_virtio_bridge_init(SysBusDevice *dev)
 static void s390_virtio_bridge_class_init(ObjectClass *klass, void *data)
 {
     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+    HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
 
     k->init = s390_virtio_bridge_init;
+    hc->unplug = qdev_simple_device_unplug_cb;
 }
 
 static const TypeInfo s390_virtio_bridge_info = {
@@ -683,6 +690,10 @@ static const TypeInfo s390_virtio_bridge_info = {
     .parent        = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(SysBusDevice),
     .class_init    = s390_virtio_bridge_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { TYPE_HOTPLUG_HANDLER },
+        { }
+    }
 };
 
 /* virtio-s390-bus */
@@ -691,13 +702,11 @@ static void virtio_s390_bus_new(VirtioBusState *bus, size_t bus_size,
                                 VirtIOS390Device *dev)
 {
     DeviceState *qdev = DEVICE(dev);
-    BusState *qbus;
     char virtio_bus_name[] = "virtio-bus";
 
     qbus_create_inplace(bus, bus_size, TYPE_VIRTIO_S390_BUS,
                         qdev, virtio_bus_name);
-    qbus = BUS(bus);
-    qbus->allow_hotplug = 1;
+    qbus_set_hotplug_handler(BUS(bus), qdev, &error_abort);
 }
 
 static void virtio_s390_bus_class_init(ObjectClass *klass, void *data)
-- 
1.8.3.1