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hw/qdev: Introduce qdev_hotplug_unplug_allowed_common()

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Introduce qdev_hotplug_unplug_allowed_common() to hold
common code between checking hot-plug/unplug is allowed.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
[PMD: Split from bigger patch, part 3/6]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20250110091908.64454-4-philmd@linaro.org>
This commit is contained in:
Akihiko Odaki 2024-02-18 15:57:11 +09:00 • committed by Philippe Mathieu-Daudé
parent 206d602e9b
commit f2694f1b1a
1 changed files with 12 additions and 1 deletions
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13
hw/core/qdev-hotplug.c
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@ -30,12 +30,22 @@ HotplugHandler *qdev_get_machine_hotplug_handler(DeviceState *dev)
return NULL;
}
static bool qdev_hotplug_unplug_allowed_common(DeviceState *dev, BusState *bus,
Error **errp)
{
return true;
}
bool qdev_hotplug_allowed(DeviceState *dev, BusState *bus, Error **errp)
{
MachineState *machine;
MachineClass *mc;
Object *m_obj = qdev_get_machine();
if (!qdev_hotplug_unplug_allowed_common(dev, bus, errp)) {
return false;
}
if (object_dynamic_cast(m_obj, TYPE_MACHINE)) {
machine = MACHINE(m_obj);
mc = MACHINE_GET_CLASS(machine);
@ -49,7 +59,8 @@ bool qdev_hotplug_allowed(DeviceState *dev, BusState *bus, Error **errp)
bool qdev_hotunplug_allowed(DeviceState *dev, Error **errp)
{
return !qdev_unplug_blocked(dev, errp);
return !qdev_unplug_blocked(dev, errp) &&
qdev_hotplug_unplug_allowed_common(dev, dev->parent_bus, errp);
}
HotplugHandler *qdev_get_bus_hotplug_handler(DeviceState *dev)