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qdev: allow classes to overload qdev functions 

This allows us to drop per-Device registration functions by allowing the
class_init functions to overload qdev methods.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Anthony Liguori 2011-12-09 11:22:58 -06:00
parent 6e008585eb
commit d253e09619
1 changed files with 33 additions and 20 deletions
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53
hw/qdev.c
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@ -50,21 +50,39 @@ static void qdev_subclass_init(ObjectClass *klass, void *data)
DeviceClass *dc = DEVICE_CLASS(klass);
DeviceInfo *info = data;
dc->fw_name = info->fw_name;
dc->alias = info->alias;
dc->desc = info->desc;
dc->props = info->props;
dc->no_user = info->no_user;
dc->reset = info->reset;
dc->vmsd = info->vmsd;
dc->init = info->init;
dc->unplug = info->unplug;
dc->exit = info->exit;
dc->bus_info = info->bus_info;
if (info->fw_name) {
dc->fw_name = info->fw_name;
}
if (info->alias) {
dc->alias = info->alias;
}
if (info->desc) {
dc->desc = info->desc;
}
if (info->props) {
dc->props = info->props;
}
if (info->no_user) {
dc->no_user = info->no_user;
}
if (info->reset) {
dc->reset = info->reset;
}
if (info->vmsd) {
dc->vmsd = info->vmsd;
}
if (info->init) {
dc->init = info->init;
}
if (info->unplug) {
dc->unplug = info->unplug;
}
if (info->exit) {
dc->exit = info->exit;
}
if (info->bus_info) {
dc->bus_info = info->bus_info;
}
if (info->class_init) {
info->class_init(klass, data);
}
@ -131,8 +149,6 @@ static DeviceInfo *qdev_find_info(BusInfo *bus_info, const char *name)
/* first check device names */
for (info = device_info_list; info != NULL; info = info->next) {
if (bus_info && info->bus_info != bus_info)
continue;
if (strcmp(info->name, name) != 0)
continue;
return info;
@ -140,8 +156,6 @@ static DeviceInfo *qdev_find_info(BusInfo *bus_info, const char *name)
/* failing that check the aliases */
for (info = device_info_list; info != NULL; info = info->next) {
if (bus_info && info->bus_info != bus_info)
continue;
if (!info->alias)
continue;
if (strcmp(info->alias, name) != 0)
@ -164,7 +178,6 @@ static DeviceState *qdev_create_from_info(BusState *bus, DeviceInfo *info)
DeviceState *dev;
Property *prop;
assert(bus->info == info->bus_info);
dev = DEVICE(object_new(info->name));
dev->parent_bus = bus;
qdev_prop_set_defaults(dev, qdev_get_props(dev));