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[PULL,32/47] scsi: Convert pvscsi HBA to hotplug handler API

Message ID 1413342561-4754-33-git-send-email-afaerber@suse.de
State New
Headers show

Commit Message

Andreas Färber Oct. 15, 2014, 3:09 a.m. UTC 
From: Igor Mammedov <imammedo@redhat.com>

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
---
 hw/scsi/vmw_pvscsi.c | 26 ++++++++++++++++++--------
 1 file changed, 18 insertions(+), 8 deletions(-)
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Patch

diff --git a/hw/scsi/vmw_pvscsi.c b/hw/scsi/vmw_pvscsi.c
index 5734d19..d3a92fb 100644
--- a/hw/scsi/vmw_pvscsi.c
+++ b/hw/scsi/vmw_pvscsi.c
@@ -524,17 +524,20 @@  pvscsi_send_msg(PVSCSIState *s, SCSIDevice *dev, uint32_t msg_type)
 }
 
 static void
-pvscsi_hotplug(SCSIBus *bus, SCSIDevice *dev)
+pvscsi_hotplug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp)
 {
-    PVSCSIState *s = container_of(bus, PVSCSIState, bus);
-    pvscsi_send_msg(s, dev, PVSCSI_MSG_DEV_ADDED);
+    PVSCSIState *s = PVSCSI(hotplug_dev);
+
+    pvscsi_send_msg(s, SCSI_DEVICE(dev), PVSCSI_MSG_DEV_ADDED);
 }
 
 static void
-pvscsi_hot_unplug(SCSIBus *bus, SCSIDevice *dev)
+pvscsi_hot_unplug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp)
 {
-    PVSCSIState *s = container_of(bus, PVSCSIState, bus);
-    pvscsi_send_msg(s, dev, PVSCSI_MSG_DEV_REMOVED);
+    PVSCSIState *s = PVSCSI(hotplug_dev);
+
+    pvscsi_send_msg(s, SCSI_DEVICE(dev), PVSCSI_MSG_DEV_REMOVED);
+    qdev_simple_device_unplug_cb(hotplug_dev, dev, errp);
 }
 
 static void
@@ -1057,8 +1060,6 @@  static const struct SCSIBusInfo pvscsi_scsi_info = {
         .get_sg_list = pvscsi_get_sg_list,
         .complete = pvscsi_command_complete,
         .cancel = pvscsi_request_cancelled,
-        .hotplug = pvscsi_hotplug,
-        .hot_unplug = pvscsi_hot_unplug,
 };
 
 static int
@@ -1092,6 +1093,8 @@  pvscsi_init(PCIDevice *pci_dev)
 
     scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(pci_dev),
                  &pvscsi_scsi_info, NULL);
+    /* override default SCSI bus hotplug-handler, with pvscsi's one */
+    qbus_set_hotplug_handler(BUS(&s->bus), DEVICE(s), &error_abort);
     pvscsi_reset_state(s);
 
     return 0;
@@ -1187,6 +1190,7 @@  static void pvscsi_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+    HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
 
     k->init = pvscsi_init;
     k->exit = pvscsi_uninit;
@@ -1199,6 +1203,8 @@  static void pvscsi_class_init(ObjectClass *klass, void *data)
     dc->props = pvscsi_properties;
     set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
     k->config_write = pvscsi_write_config;
+    hc->unplug = pvscsi_hot_unplug;
+    hc->plug = pvscsi_hotplug;
 }
 
 static const TypeInfo pvscsi_info = {
@@ -1206,6 +1212,10 @@  static const TypeInfo pvscsi_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PVSCSIState),
     .class_init    = pvscsi_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { TYPE_HOTPLUG_HANDLER },
+        { }
+    }
 };
 
 static void