css_reset();
}
+static char *virtual_css_bus_get_dev_path(DeviceState *dev)
+{
+ CcwDevice *ccw_dev = CCW_DEVICE(dev);
+ SubchDev *sch = ccw_dev->sch;
+ VirtualCssBridge *bridge =
+ VIRTUAL_CSS_BRIDGE(qdev_get_parent_bus(dev)->parent);
+
+ /*
+ * We can't provide a dev path for backward compatibility on
+ * older machines, as it is visible in the migration stream.
+ */
+ return bridge->css_dev_path ?
+ g_strdup_printf("/%02x.%1x.%04x", sch->cssid, sch->ssid, sch->devno) :
+ NULL;
+}
+
static void virtual_css_bus_class_init(ObjectClass *klass, void *data)
{
BusClass *k = BUS_CLASS(klass);
k->reset = virtual_css_bus_reset;
+ k->get_dev_path = virtual_css_bus_get_dev_path;
}
static const TypeInfo virtual_css_bus_info = {
/***************** Virtual-css Bus Bridge Device ********************/
+static Property virtual_css_bridge_properties[] = {
+ DEFINE_PROP_BOOL("css_dev_path", VirtualCssBridge, css_dev_path,
+ true),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
static void virtual_css_bridge_class_init(ObjectClass *klass, void *data)
{
HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
hc->unplug = ccw_device_unplug;
set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
+ dc->props = virtual_css_bridge_properties;
}
static const TypeInfo virtual_css_bridge_info = {
.name = TYPE_VIRTUAL_CSS_BRIDGE,
.parent = TYPE_SYS_BUS_DEVICE,
- .instance_size = sizeof(SysBusDevice),
+ .instance_size = sizeof(VirtualCssBridge),
.class_init = virtual_css_bridge_class_init,
.interfaces = (InterfaceInfo[]) {
{ TYPE_HOTPLUG_HANDLER },
#include "hw/qdev-core.h"
/* virtual css bridge */
+typedef struct VirtualCssBridge {
+ SysBusDevice sysbus_dev;
+ bool css_dev_path;
+} VirtualCssBridge;
+
#define TYPE_VIRTUAL_CSS_BRIDGE "virtual-css-bridge"
+#define VIRTUAL_CSS_BRIDGE(obj) \
+ OBJECT_CHECK(VirtualCssBridge, (obj), TYPE_VIRTUAL_CSS_BRIDGE)
/* virtual css bus type */
typedef struct VirtualCssBus {