diff options
Diffstat (limited to 'hw/arm/virt.c')
| -rw-r--r-- | hw/arm/virt.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 11b9f599ca..1f54223f19 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -1150,6 +1150,7 @@ static void create_platform_bus(VirtMachineState *vms, qemu_irq *pic) qdev_prop_set_uint32(dev, "mmio_size", platform_bus_params.platform_bus_size); qdev_init_nofail(dev); + vms->platform_bus_dev = dev; s = SYS_BUS_DEVICE(dev); for (i = 0; i < platform_bus_params.platform_bus_num_irqs; i++) { @@ -1627,9 +1628,33 @@ static const CPUArchIdList *virt_possible_cpu_arch_ids(MachineState *ms) return ms->possible_cpus; } +static void virt_machine_device_plug_cb(HotplugHandler *hotplug_dev, + DeviceState *dev, Error **errp) +{ + VirtMachineState *vms = VIRT_MACHINE(hotplug_dev); + + if (vms->platform_bus_dev) { + if (object_dynamic_cast(OBJECT(dev), TYPE_SYS_BUS_DEVICE)) { + platform_bus_link_device(PLATFORM_BUS_DEVICE(vms->platform_bus_dev), + SYS_BUS_DEVICE(dev)); + } + } +} + +static HotplugHandler *virt_machine_get_hotplug_handler(MachineState *machine, + DeviceState *dev) +{ + if (object_dynamic_cast(OBJECT(dev), TYPE_SYS_BUS_DEVICE)) { + return HOTPLUG_HANDLER(machine); + } + + return NULL; +} + static void virt_machine_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); + HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); mc->init = machvirt_init; /* Start max_cpus at the maximum QEMU supports. We'll further restrict @@ -1648,6 +1673,8 @@ static void virt_machine_class_init(ObjectClass *oc, void *data) mc->cpu_index_to_instance_props = virt_cpu_index_to_props; mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a15"); mc->get_default_cpu_node_id = virt_get_default_cpu_node_id; + mc->get_hotplug_handler = virt_machine_get_hotplug_handler; + hc->plug = virt_machine_device_plug_cb; } static const TypeInfo virt_machine_info = { @@ -1657,6 +1684,10 @@ static const TypeInfo virt_machine_info = { .instance_size = sizeof(VirtMachineState), .class_size = sizeof(VirtMachineClass), .class_init = virt_machine_class_init, + .interfaces = (InterfaceInfo[]) { + { TYPE_HOTPLUG_HANDLER }, + { } + }, }; static void machvirt_machine_init(void) |