diff options
author | Bandan Das <bsd@redhat.com> | 2013-11-25 17:48:40 -0500 |
---|---|---|
committer | Andreas Färber <afaerber@suse.de> | 2014-03-13 01:21:57 +0100 |
commit | 02e7f85dac3c639b70460ce557cb6c29963db97a (patch) | |
tree | c41999ae07075f934d0602098b58a13214c0be3e | |
parent | 04e9a20b495f37f3132f4ada80fd925b4794b253 (diff) | |
download | hqemu-02e7f85dac3c639b70460ce557cb6c29963db97a.zip hqemu-02e7f85dac3c639b70460ce557cb6c29963db97a.tar.gz |
qdev: Prepare realize/unrealize hooks for BusState
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>
-rw-r--r-- | hw/core/qdev.c | 41 | ||||
-rw-r--r-- | include/hw/qdev-core.h | 6 |
2 files changed, 47 insertions, 0 deletions
diff --git a/hw/core/qdev.c b/hw/core/qdev.c index 71b7045..7e58259 100644 --- a/hw/core/qdev.c +++ b/hw/core/qdev.c @@ -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) diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h index 1ed0691..dbe473c 100644 --- a/include/hw/qdev-core.h +++ b/include/hw/qdev-core.h @@ -36,6 +36,8 @@ typedef int (*qdev_event)(DeviceState *dev); typedef void (*qdev_resetfn)(DeviceState *dev); typedef void (*DeviceRealize)(DeviceState *dev, Error **errp); typedef void (*DeviceUnrealize)(DeviceState *dev, Error **errp); +typedef void (*BusRealize)(BusState *bus, Error **errp); +typedef void (*BusUnrealize)(BusState *bus, Error **errp); struct VMStateDescription; @@ -174,6 +176,9 @@ struct BusClass { */ char *(*get_fw_dev_path)(DeviceState *dev); void (*reset)(BusState *bus); + BusRealize realize; + BusUnrealize unrealize; + /* maximum devices allowed on the bus, 0: no limit. */ int max_dev; /* number of automatically allocated bus ids (e.g. ide.0) */ @@ -199,6 +204,7 @@ struct BusState { int allow_hotplug; HotplugHandler *hotplug_handler; int max_index; + bool realized; QTAILQ_HEAD(ChildrenHead, BusChild) children; QLIST_ENTRY(BusState) sibling; }; |