hw/s390x/virtio-ccw-9p.c

   1 /*
   2  * virtio ccw 9p implementation
   3  *
   4  * Copyright 2012, 2015 IBM Corp.
   5  * Author(s): Pierre Morel <pmorel@linux.vnet.ibm.com>
   6  *
   7  * This work is licensed under the terms of the GNU GPL, version 2 or (at
   8  * your option) any later version. See the COPYING file in the top-level
   9  * directory.
  10  */
  11
  12 #include "qemu/osdep.h"
  13 #include "hw/virtio/virtio.h"
  14 #include "qapi/error.h"
  15 #include "virtio-ccw.h"
  16
  17 static void virtio_ccw_9p_realize(VirtioCcwDevice *ccw_dev, Error **errp)
  18 {
  19     V9fsCCWState *dev = VIRTIO_9P_CCW(ccw_dev);
  20     DeviceState *vdev = DEVICE(&dev->vdev);
  21
  22     qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
  23     object_property_set_bool(OBJECT(vdev), true, "realized", errp);
  24 }
  25
  26 static void virtio_ccw_9p_instance_init(Object *obj)
  27 {
  28     V9fsCCWState *dev = VIRTIO_9P_CCW(obj);
  29
  30     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
  31                                 TYPE_VIRTIO_9P);
  32 }
  33
  34 static Property virtio_ccw_9p_properties[] = {
  35     DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
  36             VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
  37     DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
  38                        VIRTIO_CCW_MAX_REV),
  39     DEFINE_PROP_END_OF_LIST(),
  40 };
  41
  42 static void virtio_ccw_9p_class_init(ObjectClass *klass, void *data)
  43 {
  44     DeviceClass *dc = DEVICE_CLASS(klass);
  45     VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
  46
  47     k->realize = virtio_ccw_9p_realize;
  48     dc->props = virtio_ccw_9p_properties;
  49     set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
  50 }
  51
  52 static const TypeInfo virtio_ccw_9p_info = {
  53     .name          = TYPE_VIRTIO_9P_CCW,
  54     .parent        = TYPE_VIRTIO_CCW_DEVICE,
  55     .instance_size = sizeof(V9fsCCWState),
  56     .instance_init = virtio_ccw_9p_instance_init,
  57     .class_init    = virtio_ccw_9p_class_init,
  58 };
  59
  60 static void virtio_ccw_9p_register(void)
  61 {
  62     type_register_static(&virtio_ccw_9p_info);
  63 }
  64
  65 type_init(virtio_ccw_9p_register)