diff options
| -rw-r--r-- | hw/loongarch/virt.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c index 5fd3834c0a..eedff10758 100644 --- a/hw/loongarch/virt.c +++ b/hw/loongarch/virt.c @@ -803,9 +803,35 @@ static void loongarch_machine_initfn(Object *obj) lams->oem_table_id = g_strndup(ACPI_BUILD_APPNAME8, 8); } +static void loongarch_machine_device_plug_cb(HotplugHandler *hotplug_dev, + DeviceState *dev, Error **errp) +{ + LoongArchMachineState *lams = LOONGARCH_MACHINE(hotplug_dev); + MachineClass *mc = MACHINE_GET_CLASS(lams); + + if (device_is_dynamic_sysbus(mc, dev)) { + if (lams->platform_bus_dev) { + platform_bus_link_device(PLATFORM_BUS_DEVICE(lams->platform_bus_dev), + SYS_BUS_DEVICE(dev)); + } + } +} + +static HotplugHandler *virt_machine_get_hotplug_handler(MachineState *machine, + DeviceState *dev) +{ + MachineClass *mc = MACHINE_GET_CLASS(machine); + + if (device_is_dynamic_sysbus(mc, dev)) { + return HOTPLUG_HANDLER(machine); + } + return NULL; +} + static void loongarch_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); + HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); mc->desc = "Loongson-3A5000 LS7A1000 machine"; mc->init = loongarch_init; @@ -818,6 +844,8 @@ static void loongarch_class_init(ObjectClass *oc, void *data) mc->block_default_type = IF_VIRTIO; mc->default_boot_order = "c"; mc->no_cdrom = 1; + mc->get_hotplug_handler = virt_machine_get_hotplug_handler; + hc->plug = loongarch_machine_device_plug_cb; object_class_property_add(oc, "acpi", "OnOffAuto", loongarch_get_acpi, loongarch_set_acpi, @@ -833,6 +861,10 @@ static const TypeInfo loongarch_machine_types[] = { .instance_size = sizeof(LoongArchMachineState), .class_init = loongarch_class_init, .instance_init = loongarch_machine_initfn, + .interfaces = (InterfaceInfo[]) { + { TYPE_HOTPLUG_HANDLER }, + { } + }, } }; |