LXR qemu/hw/s390x/virtio-ccw-blk.c

   1/*
   2 * virtio ccw block implementation
   3 *
   4 * Copyright 2012, 2015 IBM Corp.
   5 * Author(s): Cornelia Huck <cornelia.huck@de.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
  19static void virtio_ccw_blk_realize(VirtioCcwDevice *ccw_dev, Error **errp)
  20{
  21    VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(ccw_dev);
  22    DeviceState *vdev = DEVICE(&dev->vdev);
  23
  24    qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
  25    object_property_set_bool(OBJECT(vdev), true, "realized", errp);
  26}
  27
  28static void virtio_ccw_blk_instance_init(Object *obj)
  29{
  30    VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(obj);
  31
  32    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
  33                                TYPE_VIRTIO_BLK);
  34    object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
  35                              "bootindex", &error_abort);
  36}
  37
  38static Property virtio_ccw_blk_properties[] = {
  39    DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
  40                    VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
  41    DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
  42                       VIRTIO_CCW_MAX_REV),
  43    DEFINE_PROP_END_OF_LIST(),
  44};
  45
  46static void virtio_ccw_blk_class_init(ObjectClass *klass, void *data)
  47{
  48    DeviceClass *dc = DEVICE_CLASS(klass);
  49    VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
  50
  51    k->realize = virtio_ccw_blk_realize;
  52    dc->props = virtio_ccw_blk_properties;
  53    set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
  54}
  55
  56static const TypeInfo virtio_ccw_blk = {
  57    .name          = TYPE_VIRTIO_BLK_CCW,
  58    .parent        = TYPE_VIRTIO_CCW_DEVICE,
  59    .instance_size = sizeof(VirtIOBlkCcw),
  60    .instance_init = virtio_ccw_blk_instance_init,
  61    .class_init    = virtio_ccw_blk_class_init,
  62};
  63
  64static void virtio_ccw_blk_register(void)
  65{
  66    type_register_static(&virtio_ccw_blk);
  67}
  68
  69type_init(virtio_ccw_blk_register)
  70