diff options
| author | Igor Mammedov <imammedo@redhat.com> | 2014-06-02 15:25:03 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2014-06-19 16:41:46 +0300 |
| commit | b74545481187945965cf9f4df70b71d2f6cded4a (patch) | |
| tree | 66b02a99a870635ec2cbd673887b2981eef194fe | |
| parent | c270fb9eff1290e8a4a49040eba1305fec2ce0ec (diff) | |
qdev: hotplug for bus-less devices
Add get_hotplug_handler() method to machine, and
make bus-less device use it during hotplug
as a means to discover a hotplug handler controller.
The returned controller is used to perform hotplug
actions.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| -rw-r--r-- | hw/core/qdev.c | 13 | ||||
| -rw-r--r-- | include/hw/boards.h | 8 |
2 files changed, 21 insertions, 0 deletions
diff --git a/hw/core/qdev.c b/hw/core/qdev.c index e65a5aa3a8..fded64575d 100644 --- a/hw/core/qdev.c +++ b/hw/core/qdev.c @@ -34,6 +34,7 @@ #include "qapi/qmp/qjson.h" #include "monitor/monitor.h" #include "hw/hotplug.h" +#include "hw/boards.h" int qdev_hotplug = 0; static bool qdev_hot_added = false; @@ -813,6 +814,18 @@ static void device_set_realized(Object *obj, bool value, Error **errp) local_err == NULL) { hotplug_handler_plug(dev->parent_bus->hotplug_handler, dev, &local_err); + } else if (local_err == NULL && + object_dynamic_cast(qdev_get_machine(), TYPE_MACHINE)) { + HotplugHandler *hotplug_ctrl; + MachineState *machine = MACHINE(qdev_get_machine()); + MachineClass *mc = MACHINE_GET_CLASS(machine); + + if (mc->get_hotplug_handler) { + hotplug_ctrl = mc->get_hotplug_handler(machine, dev); + if (hotplug_ctrl) { + hotplug_handler_plug(hotplug_ctrl, dev, &local_err); + } + } } if (qdev_get_vmsd(dev) && local_err == NULL) { diff --git a/include/hw/boards.h b/include/hw/boards.h index 184d2450ee..429ac43abc 100644 --- a/include/hw/boards.h +++ b/include/hw/boards.h @@ -61,6 +61,11 @@ extern MachineState *current_machine; /** * MachineClass: * @qemu_machine: #QEMUMachine + * @get_hotplug_handler: this function is called during bus-less + * device hotplug. If defined it returns pointer to an instance + * of HotplugHandler object, which handles hotplug operation + * for a given @dev. It may return NULL if @dev doesn't require + * any actions to be performed by hotplug handler. */ struct MachineClass { /*< private >*/ @@ -90,6 +95,9 @@ struct MachineClass { const char *default_boot_order; GlobalProperty *compat_props; const char *hw_version; + + HotplugHandler *(*get_hotplug_handler)(MachineState *machine, + DeviceState *dev); }; /** |