LXR qemu/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"
  21OBJECT_DECLARE_SIMPLE_TYPE(V9fsCCWState, VIRTIO_9P_CCW)
  22
  23struct V9fsCCWState {
  24    VirtioCcwDevice parent_obj;
  25    V9fsVirtioState vdev;
  26};
  27
  28static 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
  36static 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
  44static 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
  52static 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
  62static 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
  70static void virtio_ccw_9p_register(void)
  71{
  72    type_register_static(&virtio_ccw_9p_info);
  73}
  74
  75type_init(virtio_ccw_9p_register)
  76