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[Qemu-devel] [PATCH v3 24/36] s390x: convert s390-virtio to hotplug hand


From: Igor Mammedov
Subject: [Qemu-devel] [PATCH v3 24/36] s390x: convert s390-virtio to hotplug handler API
Date: Fri, 26 Sep 2014 12:08:16 +0000

beside of conversion, patch drops present unplug
handling, effectively disabling hot-unplug of
s390-virtio devices.

Signed-off-by: Igor Mammedov <address@hidden>
---
v3:
 disable unplug, Cornelia Huck <address@hidden>
v2:
 fix not working unplug
---
 hw/s390x/s390-virtio-bus.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/hw/s390x/s390-virtio-bus.c b/hw/s390x/s390-virtio-bus.c
index 6b6fb61..7fa47d4 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;
@@ -600,7 +600,6 @@ static void virtio_s390_device_class_init(ObjectClass 
*klass, void *data)
 
     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;
 }
 
@@ -674,6 +673,7 @@ 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;
 }
@@ -683,6 +683,10 @@ 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 +695,10 @@ 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;
 }
 
 static void virtio_s390_bus_class_init(ObjectClass *klass, void *data)
-- 
1.8.3.1




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