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

   1/*
   2 * virtio ccw crypto implementation
   3 *
   4 * Copyright 2012, 2015 IBM Corp.
   5 *
   6 * This work is licensed under the terms of the GNU GPL, version 2 or (at
   7 * your option) any later version. See the COPYING file in the top-level
   8 * directory.
   9 */
  10
  11#include "qemu/osdep.h"
  12#include "hw/qdev-properties.h"
  13#include "hw/virtio/virtio.h"
  14#include "qapi/error.h"
  15#include "qemu/module.h"
  16#include "virtio-ccw.h"
  17
  18static void virtio_ccw_crypto_realize(VirtioCcwDevice *ccw_dev, Error **errp)
  19{
  20    VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(ccw_dev);
  21    DeviceState *vdev = DEVICE(&dev->vdev);
  22    Error *err = NULL;
  23
  24    qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
  25    object_property_set_bool(OBJECT(vdev), true, "realized", &err);
  26    if (err) {
  27        error_propagate(errp, err);
  28        return;
  29    }
  30
  31    object_property_set_link(OBJECT(vdev),
  32                             OBJECT(dev->vdev.conf.cryptodev), "cryptodev",
  33                             NULL);
  34}
  35
  36static void virtio_ccw_crypto_instance_init(Object *obj)
  37{
  38    VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(obj);
  39    VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj);
  40
  41    ccw_dev->force_revision_1 = true;
  42    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
  43                                TYPE_VIRTIO_CRYPTO);
  44}
  45
  46static Property virtio_ccw_crypto_properties[] = {
  47    DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
  48                    VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
  49    DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
  50                       VIRTIO_CCW_MAX_REV),
  51    DEFINE_PROP_END_OF_LIST(),
  52};
  53
  54static void virtio_ccw_crypto_class_init(ObjectClass *klass, void *data)
  55{
  56    DeviceClass *dc = DEVICE_CLASS(klass);
  57    VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
  58
  59    k->realize = virtio_ccw_crypto_realize;
  60    dc->props = virtio_ccw_crypto_properties;
  61    set_bit(DEVICE_CATEGORY_MISC, dc->categories);
  62}
  63
  64static const TypeInfo virtio_ccw_crypto = {
  65    .name          = TYPE_VIRTIO_CRYPTO_CCW,
  66    .parent        = TYPE_VIRTIO_CCW_DEVICE,
  67    .instance_size = sizeof(VirtIOCryptoCcw),
  68    .instance_init = virtio_ccw_crypto_instance_init,
  69    .class_init    = virtio_ccw_crypto_class_init,
  70};
  71
  72static void virtio_ccw_crypto_register(void)
  73{
  74    type_register_static(&virtio_ccw_crypto);
  75}
  76
  77type_init(virtio_ccw_crypto_register)
  78