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[04/10] s390x/css: add vmstate macro for CcwDevice

Message ID 20170505173507.74077-5-pasic@linux.vnet.ibm.com (mailing list archive)
State New, archived
Headers show

Commit Message

Halil Pasic May 5, 2017, 5:35 p.m. UTC 
As a preparation for switching to a vmstate based migration let us
introduce a vmstate macro for CcwDevice.

No changes in behavior, we just added some dead code -- which should
rise to life soon.

Signed-off-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Reviewed-by: Guenther Hutzl <hutzl@linux.vnet.ibm.com>
---
 hw/s390x/ccw-device.c | 10 ++++++++++
 hw/s390x/ccw-device.h |  4 ++++
 2 files changed, 14 insertions(+)
diff mbox

Patch

diff --git a/hw/s390x/ccw-device.c b/hw/s390x/ccw-device.c
index fb8d640..f9bfa15 100644
--- a/hw/s390x/ccw-device.c
+++ b/hw/s390x/ccw-device.c
@@ -50,6 +50,16 @@  static void ccw_device_class_init(ObjectClass *klass, void *data)
     dc->props = ccw_device_properties;
 }
 
+const VMStateDescription vmstate_ccw_dev = {
+    .name = "s390_ccw_dev",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_STRUCT_POINTER(sch, CcwDevice, vmstate_subch_dev, SubchDev),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
 static const TypeInfo ccw_device_info = {
     .name = TYPE_CCW_DEVICE,
     .parent = TYPE_DEVICE,
diff --git a/hw/s390x/ccw-device.h b/hw/s390x/ccw-device.h
index 89c8e5d..4e6af28 100644
--- a/hw/s390x/ccw-device.h
+++ b/hw/s390x/ccw-device.h
@@ -27,6 +27,10 @@  typedef struct CcwDevice {
     CssDevId subch_id;
 } CcwDevice;
 
+extern const VMStateDescription vmstate_ccw_dev;
+#define VMSTATE_CCW_DEVICE(_field, _state)                     \
+    VMSTATE_STRUCT(_field, _state, 1, vmstate_ccw_dev, CcwDevice)
+
 typedef struct CCWDeviceClass {
     DeviceClass parent_class;
     void (*unplug)(HotplugHandler *, DeviceState *, Error **);