qdev: add qdev_prop_exists()
Function test whenever a driver has a specific property.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/hw/qdev-properties.c b/hw/qdev-properties.c
index 2d4eeec..bda6699 100644
--- a/hw/qdev-properties.c
+++ b/hw/qdev-properties.c
@@ -480,6 +480,11 @@
return NULL;
}
+int qdev_prop_exists(DeviceState *dev, const char *name)
+{
+ return qdev_prop_find(dev, name) ? true : false;
+}
+
int qdev_prop_parse(DeviceState *dev, const char *name, const char *value)
{
Property *prop;
diff --git a/hw/qdev.h b/hw/qdev.h
index 2e7983f..77075a8 100644
--- a/hw/qdev.h
+++ b/hw/qdev.h
@@ -249,6 +249,7 @@
/* Set properties between creation and init. */
void *qdev_get_prop_ptr(DeviceState *dev, Property *prop);
+int qdev_prop_exists(DeviceState *dev, const char *name);
int qdev_prop_parse(DeviceState *dev, const char *name, const char *value);
void qdev_prop_set(DeviceState *dev, const char *name, void *src, enum PropertyType type);
void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value);
