diff options
| author | Igor Mammedov <imammedo@redhat.com> | 2014-09-26 09:28:20 +0000 |
|---|---|---|
| committer | Andreas Färber <afaerber@suse.de> | 2014-10-15 05:03:13 +0200 |
| commit | 181a2c63236966b3c80eef131bac33a355a492da (patch) | |
| tree | d56e099a5191945d0185d1f8f1df3db4779b1b54 /hw/core | |
| parent | 14d5a28fb6bb8ac6505ad1faca2690df56fef326 (diff) | |
| download | qemu-181a2c63236966b3c80eef131bac33a355a492da.tar.gz | |
qdev: HotplugHandler: Provide unplug callback
It is to be called for actual device removal and
will allow to separate request and removal handling
phases of x86-CPU devices and also it's a handler
to be called for synchronously removable devices.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Diffstat (limited to 'hw/core')
| -rw-r--r-- | hw/core/hotplug.c | 11 | ||||
| -rw-r--r-- | hw/core/qdev.c | 13 |
2 files changed, 22 insertions, 2 deletions
diff --git a/hw/core/hotplug.c b/hw/core/hotplug.c index 2ec4736593..4e01074557 100644 --- a/hw/core/hotplug.c +++ b/hw/core/hotplug.c @@ -34,6 +34,17 @@ void hotplug_handler_unplug_request(HotplugHandler *plug_handler, } } +void hotplug_handler_unplug(HotplugHandler *plug_handler, + DeviceState *plugged_dev, + Error **errp) +{ + HotplugHandlerClass *hdc = HOTPLUG_HANDLER_GET_CLASS(plug_handler); + + if (hdc->unplug) { + hdc->unplug(plug_handler, plugged_dev, errp); + } +} + static const TypeInfo hotplug_handler_info = { .name = TYPE_HOTPLUG_HANDLER, .parent = TYPE_INTERFACE, diff --git a/hw/core/qdev.c b/hw/core/qdev.c index 87ed438475..6479194498 100644 --- a/hw/core/qdev.c +++ b/hw/core/qdev.c @@ -227,8 +227,17 @@ void qdev_unplug(DeviceState *dev, Error **errp) qdev_hot_removed = true; if (dev->parent_bus && dev->parent_bus->hotplug_handler) { - hotplug_handler_unplug_request(dev->parent_bus->hotplug_handler, - dev, errp); + HotplugHandlerClass *hdc; + + /* If device supports async unplug just request it to be done, + * otherwise just remove it synchronously */ + hdc = HOTPLUG_HANDLER_GET_CLASS(dev->parent_bus->hotplug_handler); + if (hdc->unplug_request) { + hotplug_handler_unplug_request(dev->parent_bus->hotplug_handler, + dev, errp); + } else { + hotplug_handler_unplug(dev->parent_bus->hotplug_handler, dev, errp); + } } else { assert(dc->unplug != NULL); if (dc->unplug(dev) < 0) { /* legacy handler */ |