hw/s390x: Move virtio-ccw-9p code to a separate file

The code should only be enabled if CONFIG_VIRTIO_9P and CONFIG_VIRTFS
have been set. This can be done best if the code resides in a separate
file.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1532521224-27235-7-git-send-email-thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>

3 files changed, 66 insertions, 48 deletions

diff --git a/hw/s390x/Makefile.objs b/hw/s390x/Makefile.objs
index 181efd138a..08a8c107d4 100644
--- a/hw/s390x/Makefile.objs
+++ b/hw/s390x/Makefile.objs
@@ -12,6 +12,7 @@ obj-$(CONFIG_VIRTIO_SERIAL) += virtio-ccw-serial.o
 obj-$(CONFIG_VIRTIO_BALLOON) += virtio-ccw-balloon.o
 obj-$(CONFIG_VIRTIO_SCSI) += virtio-ccw-scsi.o
 obj-$(CONFIG_VIRTIO_RNG) += virtio-ccw-rng.o
+obj-$(call land,$(CONFIG_VIRTIO_9P),$(CONFIG_VIRTFS)) += virtio-ccw-9p.o
 obj-y += css-bridge.o
 obj-y += ccw-device.o
 obj-$(CONFIG_PCI) += s390-pci-bus.o s390-pci-inst.o
diff --git a/hw/s390x/virtio-ccw-9p.c b/hw/s390x/virtio-ccw-9p.c
new file mode 100644
index 0000000000..d6be172596
--- /dev/null
+++ b/hw/s390x/virtio-ccw-9p.c
@@ -0,0 +1,65 @@
+/*
+ * virtio ccw 9p implementation
+ *
+ * Copyright 2012, 2015 IBM Corp.
+ * Author(s): Pierre Morel <pmorel@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.
+ */
+
+#include "qemu/osdep.h"
+#include "hw/virtio/virtio.h"
+#include "qapi/error.h"
+#include "virtio-ccw.h"
+
+static void virtio_ccw_9p_realize(VirtioCcwDevice *ccw_dev, Error **errp)
+{
+    V9fsCCWState *dev = VIRTIO_9P_CCW(ccw_dev);
+    DeviceState *vdev = DEVICE(&dev->vdev);
+
+    qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
+    object_property_set_bool(OBJECT(vdev), true, "realized", errp);
+}
+
+static void virtio_ccw_9p_instance_init(Object *obj)
+{
+    V9fsCCWState *dev = VIRTIO_9P_CCW(obj);
+
+    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
+                                TYPE_VIRTIO_9P);
+}
+
+static Property virtio_ccw_9p_properties[] = {
+    DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
+            VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
+    DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
+                       VIRTIO_CCW_MAX_REV),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
+static void virtio_ccw_9p_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
+
+    k->realize = virtio_ccw_9p_realize;
+    dc->props = virtio_ccw_9p_properties;
+    set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
+}
+
+static const TypeInfo virtio_ccw_9p_info = {
+    .name          = TYPE_VIRTIO_9P_CCW,
+    .parent        = TYPE_VIRTIO_CCW_DEVICE,
+    .instance_size = sizeof(V9fsCCWState),
+    .instance_init = virtio_ccw_9p_instance_init,
+    .class_init    = virtio_ccw_9p_class_init,
+};
+
+static void virtio_ccw_9p_register(void)
+{
+    type_register_static(&virtio_ccw_9p_info);
+}
+
+type_init(virtio_ccw_9p_register)
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index d45c6a9f96..4ec4d3dba3 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -1512,51 +1512,6 @@ static const TypeInfo virtio_ccw_bus_info = {
     .class_init = virtio_ccw_bus_class_init,
 };
 
-#ifdef CONFIG_VIRTFS
-static Property virtio_ccw_9p_properties[] = {
-    DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
-            VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
-    DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
-                       VIRTIO_CCW_MAX_REV),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void virtio_ccw_9p_realize(VirtioCcwDevice *ccw_dev, Error **errp)
-{
-    V9fsCCWState *dev = VIRTIO_9P_CCW(ccw_dev);
-    DeviceState *vdev = DEVICE(&dev->vdev);
-
-    qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
-    object_property_set_bool(OBJECT(vdev), true, "realized", errp);
-}
-
-static void virtio_ccw_9p_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
-
-    k->realize = virtio_ccw_9p_realize;
-    dc->props = virtio_ccw_9p_properties;
-    set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
-}
-
-static void virtio_ccw_9p_instance_init(Object *obj)
-{
-    V9fsCCWState *dev = VIRTIO_9P_CCW(obj);
-
-    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
-                                TYPE_VIRTIO_9P);
-}
-
-static const TypeInfo virtio_ccw_9p_info = {
-    .name          = TYPE_VIRTIO_9P_CCW,
-    .parent        = TYPE_VIRTIO_CCW_DEVICE,
-    .instance_size = sizeof(V9fsCCWState),
-    .instance_init = virtio_ccw_9p_instance_init,
-    .class_init    = virtio_ccw_9p_class_init,
-};
-#endif
-
 #ifdef CONFIG_VHOST_VSOCK
 
 static Property vhost_vsock_ccw_properties[] = {
@@ -1607,9 +1562,6 @@ static void virtio_ccw_register(void)
     type_register_static(&virtio_ccw_device_info);
     type_register_static(&virtio_ccw_blk);
     type_register_static(&virtio_ccw_net);
-#ifdef CONFIG_VIRTFS
-    type_register_static(&virtio_ccw_9p_info);
-#endif
 #ifdef CONFIG_VHOST_VSOCK
     type_register_static(&vhost_vsock_ccw_info);
 #endif