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qdev: add function qdev_set_id() 

In order to have an easy way to add a new qdev with a specific id
carve out the needed functionality from qdev_device_add() into a new
function qdev_set_id().

Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
This commit is contained in:
Juergen Gross 2016-11-22 07:10:57 +01:00 committed by Stefano Stabellini
parent 873d57abba
commit ce49b734b4
2 changed files with 21 additions and 16 deletions
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1
include/monitor/qdev.h
View File

@ -12,5 +12,6 @@ void qmp_device_add(QDict *qdict, QObject **ret_data, Error **errp);
int qdev_device_help(QemuOpts *opts);
DeviceState *qdev_device_add(QemuOpts *opts, Error **errp);
void qdev_set_id(DeviceState *dev, const char *id);
#endif

36
qdev-monitor.c
View File

@ -539,10 +539,28 @@ static BusState *qbus_find(const char *path, Error **errp)
return bus;
}
void qdev_set_id(DeviceState *dev, const char *id)
{
if (id) {
dev->id = id;
}
if (dev->id) {
object_property_add_child(qdev_get_peripheral(), dev->id,
OBJECT(dev), NULL);
} else {
static int anon_count;
gchar *name = g_strdup_printf("device[%d]", anon_count++);
object_property_add_child(qdev_get_peripheral_anon(), name,
OBJECT(dev), NULL);
g_free(name);
}
}
DeviceState *qdev_device_add(QemuOpts *opts, Error **errp)
{
DeviceClass *dc;
const char *driver, *path, *id;
const char *driver, *path;
DeviceState *dev;
BusState *bus = NULL;
Error *err = NULL;
@ -591,21 +609,7 @@ DeviceState *qdev_device_add(QemuOpts *opts, Error **errp)
qdev_set_parent_bus(dev, bus);
}
id = qemu_opts_id(opts);
if (id) {
dev->id = id;
}
if (dev->id) {
object_property_add_child(qdev_get_peripheral(), dev->id,
OBJECT(dev), NULL);
} else {
static int anon_count;
gchar *name = g_strdup_printf("device[%d]", anon_count++);
object_property_add_child(qdev_get_peripheral_anon(), name,
OBJECT(dev), NULL);
g_free(name);
}
qdev_set_id(dev, qemu_opts_id(opts));
/* set properties */
if (qemu_opt_foreach(opts, set_property, dev, &err)) {