[PATCH v1 1/1] hw/nvme: Add hotplug handler to nvme bus

[Daniel Wagner]

Support attaching/detaching namespaces during runtime.

Signed-off-by: Daniel Wagner <dwagner@suse.de>
---
 hw/nvme/ctrl.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index ac24eeb5ed5a..7bddbc644cae 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -8314,6 +8314,7 @@ static void nvme_realize(PCIDevice *pci_dev, Error **errp)
     }
 
     qbus_init(&n->bus, sizeof(NvmeBus), TYPE_NVME_BUS, dev, dev->id);
+    qbus_set_bus_hotplug_handler(BUS(&n->bus));
 
     if (nvme_init_subsys(n, errp)) {
         return;
@@ -8540,10 +8541,22 @@ static const TypeInfo nvme_info = {
     },
 };
 
+static void nvme_bus_class_init(ObjectClass *oc, void *data)
+{
+    HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
+
+    hc->unplug = qdev_simple_device_unplug_cb;
+}
+
 static const TypeInfo nvme_bus_info = {
     .name = TYPE_NVME_BUS,
     .parent = TYPE_BUS,
     .instance_size = sizeof(NvmeBus),
+    .class_init = nvme_bus_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { TYPE_HOTPLUG_HANDLER },
+        { }
+    }
 };
 
 static void nvme_register_types(void)
-- 
2.40.0