1 files changed, 52 insertions, 0 deletions
diff --git a/hw/s390x/ccw-device.h b/hw/s390x/ccw-device.h
new file mode 100644
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--- /dev/null
+++ b/hw/s390x/ccw-device.h
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+/*
+ * Common device infrastructure for devices in the virtual css
+ *
+ * Copyright 2016 IBM Corp.
+ * Author(s): Jing Liu <liujbjl@linux.vnet.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or (at
+ * your option) any later version. See the COPYING file in the top-level
+ * directory.
+ */
+
+#ifndef HW_S390X_CCW_DEVICE_H
+#define HW_S390X_CCW_DEVICE_H
+#include "qom/object.h"
+#include "hw/qdev-core.h"
+#include "hw/s390x/css.h"
+#include "hw/s390x/css-bridge.h"
+
+struct CcwDevice {
+    DeviceState parent_obj;
+    SubchDev *sch;
+    /* <cssid>.<ssid>.<device number> */
+    /* The user-set busid of the virtual ccw device. */
+    CssDevId devno;
+    /* The actual busid of the virtual ccw device. */
+    CssDevId dev_id;
+    /* The actual busid of the virtual subchannel. */
+    CssDevId subch_id;
+};
+typedef struct CcwDevice CcwDevice;
+
+extern const VMStateDescription vmstate_ccw_dev;
+#define VMSTATE_CCW_DEVICE(_field, _state)                     \
+    VMSTATE_STRUCT(_field, _state, 1, vmstate_ccw_dev, CcwDevice)
+
+struct CCWDeviceClass {
+    DeviceClass parent_class;
+    void (*unplug)(HotplugHandler *, DeviceState *, Error **);
+    void (*realize)(CcwDevice *, Error **);
+    void (*refill_ids)(CcwDevice *);
+};
+
+static inline CcwDevice *to_ccw_dev_fast(DeviceState *d)
+{
+    return container_of(d, CcwDevice, parent_obj);
+}
+
+#define TYPE_CCW_DEVICE "ccw-device"
+
+OBJECT_DECLARE_TYPE(CcwDevice, CCWDeviceClass, CCW_DEVICE)
+
+#endif