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-rw-r--r--hw/pci/pcie_port.c8
-rw-r--r--include/hw/hotplug.h2
-rw-r--r--include/hw/qdev-core.h13
3 files changed, 22 insertions, 1 deletions
diff --git a/hw/pci/pcie_port.c b/hw/pci/pcie_port.c
index 65a397ad23..000633fec1 100644
--- a/hw/pci/pcie_port.c
+++ b/hw/pci/pcie_port.c
@@ -161,6 +161,13 @@ PCIDevice *pcie_find_port_by_pn(PCIBus *bus, uint8_t pn)
     return NULL;
 }
 
+static bool pcie_slot_is_hotpluggbale_bus(HotplugHandler *plug_handler,
+                                          BusState *bus)
+{
+    PCIESlot *s = PCIE_SLOT(bus->parent);
+    return s->hotplug;
+}
+
 static const TypeInfo pcie_port_type_info = {
     .name = TYPE_PCIE_PORT,
     .parent = TYPE_PCI_BRIDGE,
@@ -188,6 +195,7 @@ static void pcie_slot_class_init(ObjectClass *oc, void *data)
     hc->plug = pcie_cap_slot_plug_cb;
     hc->unplug = pcie_cap_slot_unplug_cb;
     hc->unplug_request = pcie_cap_slot_unplug_request_cb;
+    hc->is_hotpluggable_bus = pcie_slot_is_hotpluggbale_bus;
 }
 
 static const TypeInfo pcie_slot_type_info = {
diff --git a/include/hw/hotplug.h b/include/hw/hotplug.h
index e15f59c8b3..a9840ed485 100644
--- a/include/hw/hotplug.h
+++ b/include/hw/hotplug.h
@@ -48,6 +48,7 @@ typedef void (*hotplug_fn)(HotplugHandler *plug_handler,
  * @unplug: unplug callback.
  *          Used for device removal with devices that implement
  *          asynchronous and synchronous (surprise) removal.
+ * @is_hotpluggable_bus: called to check if bus/its parent allow hotplug on bus
  */
 struct HotplugHandlerClass {
     /* <private> */
@@ -58,6 +59,7 @@ struct HotplugHandlerClass {
     hotplug_fn plug;
     hotplug_fn unplug_request;
     hotplug_fn unplug;
+    bool (*is_hotpluggable_bus)(HotplugHandler *plug_handler, BusState *bus);
 };
 
 /**
diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h
index f5b3b2f89a..bd50ad5ee1 100644
--- a/include/hw/qdev-core.h
+++ b/include/hw/qdev-core.h
@@ -812,7 +812,18 @@ void qbus_set_bus_hotplug_handler(BusState *bus);
 
 static inline bool qbus_is_hotpluggable(BusState *bus)
 {
-   return bus->hotplug_handler;
+    HotplugHandler *plug_handler = bus->hotplug_handler;
+    bool ret = !!plug_handler;
+
+    if (plug_handler) {
+        HotplugHandlerClass *hdc;
+
+        hdc = HOTPLUG_HANDLER_GET_CLASS(plug_handler);
+        if (hdc->is_hotpluggable_bus) {
+            ret = hdc->is_hotpluggable_bus(plug_handler, bus);
+        }
+    }
+    return ret;
 }
 
 /**