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qdev: Prepare realize/unrealize hooks for BusState

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Add a "realized" property calling realize/unrealize hooks as for devices.

Signed-off-by: Bandan Das <bsd@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Bandan Das 2013-11-25 17:48:40 -05:00 • committed by Andreas Färber
parent 04e9a20b49
commit 02e7f85dac
2 changed files with 47 additions and 0 deletions
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41
hw/core/qdev.c
View file

@ -501,6 +501,45 @@ static void bus_unparent(Object *obj)
}
}
static bool bus_get_realized(Object *obj, Error **err)
{
BusState *bus = BUS(obj);
return bus->realized;
}
static void bus_set_realized(Object *obj, bool value, Error **err)
{
BusState *bus = BUS(obj);
BusClass *bc = BUS_GET_CLASS(bus);
Error *local_err = NULL;
if (value && !bus->realized) {
if (bc->realize) {
bc->realize(bus, &local_err);
if (local_err != NULL) {
goto error;
}
}
} else if (!value && bus->realized) {
if (bc->unrealize) {
bc->unrealize(bus, &local_err);
if (local_err != NULL) {
goto error;
}
}
}
bus->realized = value;
return;
error:
error_propagate(err, local_err);
}
void qbus_create_inplace(void *bus, size_t size, const char *typename,
DeviceState *parent, const char *name)
{
@ -889,6 +928,8 @@ static void qbus_initfn(Object *obj)
object_property_add_link(obj, QDEV_HOTPLUG_HANDLER_PROPERTY,
TYPE_HOTPLUG_HANDLER,
(Object **)&bus->hotplug_handler, NULL);
object_property_add_bool(obj, "realized",
bus_get_realized, bus_set_realized, NULL);
}
static char *default_bus_get_fw_dev_path(DeviceState *dev)