diff options
| author | Igor Mammedov <imammedo@redhat.com> | 2016-05-12 09:18:15 +0530 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2016-06-17 16:33:48 +1000 |
| commit | 41346263c4039fd2edca61c031c9396577693036 (patch) | |
| tree | e20fa96388bb62c967490408973ccb7e58e51b21 /hw/core | |
| parent | 2e11b15dff0bed8f29e844940f127e6e89cd766c (diff) | |
qdev: hotplug: Introduce HotplugHandler.pre_plug() callback
pre_plug callback is to be called before device.realize() is executed.
This would allow to check/set device's properties from HotplugHandler.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'hw/core')
| -rw-r--r-- | hw/core/hotplug.c | 11 | ||||
| -rw-r--r-- | hw/core/qdev.c | 9 |
2 files changed, 19 insertions, 1 deletions
diff --git a/hw/core/hotplug.c b/hw/core/hotplug.c index 645cfca1b9..17ac986685 100644 --- a/hw/core/hotplug.c +++ b/hw/core/hotplug.c @@ -13,6 +13,17 @@ #include "hw/hotplug.h" #include "qemu/module.h" +void hotplug_handler_pre_plug(HotplugHandler *plug_handler, + DeviceState *plugged_dev, + Error **errp) +{ + HotplugHandlerClass *hdc = HOTPLUG_HANDLER_GET_CLASS(plug_handler); + + if (hdc->pre_plug) { + hdc->pre_plug(plug_handler, plugged_dev, errp); + } +} + void hotplug_handler_plug(HotplugHandler *plug_handler, DeviceState *plugged_dev, Error **errp) diff --git a/hw/core/qdev.c b/hw/core/qdev.c index dcc00f8c70..6680089154 100644 --- a/hw/core/qdev.c +++ b/hw/core/qdev.c @@ -902,6 +902,14 @@ static void device_set_realized(Object *obj, bool value, Error **errp) g_free(name); } + hotplug_ctrl = qdev_get_hotplug_handler(dev); + if (hotplug_ctrl) { + hotplug_handler_pre_plug(hotplug_ctrl, dev, &local_err); + if (local_err != NULL) { + goto fail; + } + } + if (dc->realize) { dc->realize(dev, &local_err); } @@ -912,7 +920,6 @@ static void device_set_realized(Object *obj, bool value, Error **errp) DEVICE_LISTENER_CALL(realize, Forward, dev); - hotplug_ctrl = qdev_get_hotplug_handler(dev); if (hotplug_ctrl) { hotplug_handler_plug(hotplug_ctrl, dev, &local_err); } |