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/qdev-properties.h"
  14 #include "hw/virtio/virtio.h"
  15 #include "qapi/error.h"
  16 #include "qemu/module.h"
  17 #include "virtio-ccw.h"
  18 #include "hw/9pfs/virtio-9p.h"
  19
  20 #define TYPE_VIRTIO_9P_CCW "virtio-9p-ccw"
  21 OBJECT_DECLARE_SIMPLE_TYPE(V9fsCCWState, VIRTIO_9P_CCW)
  22
  23 struct V9fsCCWState {
  24     VirtioCcwDevice parent_obj;
  25     V9fsVirtioState vdev;
  26 };
  27
  28 static void virtio_ccw_9p_realize(VirtioCcwDevice *ccw_dev, Error **errp)
  29 {
  30     V9fsCCWState *dev = VIRTIO_9P_CCW(ccw_dev);
  31     DeviceState *vdev = DEVICE(&dev->vdev);
  32
  33     qdev_realize(vdev, BUS(&ccw_dev->bus), errp);
  34 }
  35
  36 static void virtio_ccw_9p_instance_init(Object *obj)
  37 {
  38     V9fsCCWState *dev = VIRTIO_9P_CCW(obj);
  39
  40     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
  41                                 TYPE_VIRTIO_9P);
  42 }
  43
  44 static Property virtio_ccw_9p_properties[] = {
  45     DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
  46             VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
  47     DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
  48                        VIRTIO_CCW_MAX_REV),
  49     DEFINE_PROP_END_OF_LIST(),
  50 };
  51
  52 static void virtio_ccw_9p_class_init(ObjectClass *klass, void *data)
  53 {
  54     DeviceClass *dc = DEVICE_CLASS(klass);
  55     VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
  56
  57     k->realize = virtio_ccw_9p_realize;
  58     device_class_set_props(dc, virtio_ccw_9p_properties);
  59     set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
  60 }
  61
  62 static const TypeInfo virtio_ccw_9p_info = {
  63     .name          = TYPE_VIRTIO_9P_CCW,
  64     .parent        = TYPE_VIRTIO_CCW_DEVICE,
  65     .instance_size = sizeof(V9fsCCWState),
  66     .instance_init = virtio_ccw_9p_instance_init,
  67     .class_init    = virtio_ccw_9p_class_init,
  68 };
  69
  70 static void virtio_ccw_9p_register(void)
  71 {
  72     type_register_static(&virtio_ccw_9p_info);
  73 }
  74
  75 type_init(virtio_ccw_9p_register)