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[PATCH v11 02/14] remote/machine: add HotplugHandler for remote machine


From: Jagannathan Raman
Subject: [PATCH v11 02/14] remote/machine: add HotplugHandler for remote machine
Date: Fri, 10 Jun 2022 15:50:29 -0400

Allow hotplugging of PCI(e) devices to remote machine

Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com>
Signed-off-by: John G Johnson <john.g.johnson@oracle.com>
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
---
 hw/remote/machine.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/hw/remote/machine.c b/hw/remote/machine.c
index 92d71d47bb..a97e53e250 100644
--- a/hw/remote/machine.c
+++ b/hw/remote/machine.c
@@ -20,6 +20,7 @@
 #include "qapi/error.h"
 #include "hw/pci/pci_host.h"
 #include "hw/remote/iohub.h"
+#include "hw/qdev-core.h"
 
 static void remote_machine_init(MachineState *machine)
 {
@@ -53,14 +54,19 @@ static void remote_machine_init(MachineState *machine)
 
     pci_bus_irqs(pci_host->bus, remote_iohub_set_irq, remote_iohub_map_irq,
                  &s->iohub, REMOTE_IOHUB_NB_PIRQS);
+
+    qbus_set_hotplug_handler(BUS(pci_host->bus), OBJECT(s));
 }
 
 static void remote_machine_class_init(ObjectClass *oc, void *data)
 {
     MachineClass *mc = MACHINE_CLASS(oc);
+    HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
 
     mc->init = remote_machine_init;
     mc->desc = "Experimental remote machine";
+
+    hc->unplug = qdev_simple_device_unplug_cb;
 }
 
 static const TypeInfo remote_machine = {
@@ -68,6 +74,10 @@ static const TypeInfo remote_machine = {
     .parent = TYPE_MACHINE,
     .instance_size = sizeof(RemoteMachineState),
     .class_init = remote_machine_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { TYPE_HOTPLUG_HANDLER },
+        { }
+    }
 };
 
 static void remote_machine_register_types(void)
-- 
2.20.1




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