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 #include "hw/virtio/virtio-crypto.h"
  18
  19 #define TYPE_VIRTIO_CRYPTO_CCW "virtio-crypto-ccw"
  20 OBJECT_DECLARE_SIMPLE_TYPE(VirtIOCryptoCcw, VIRTIO_CRYPTO_CCW)
  21
  22 struct VirtIOCryptoCcw {
  23     VirtioCcwDevice parent_obj;
  24     VirtIOCrypto vdev;
  25 };
  26
  27 static void virtio_ccw_crypto_realize(VirtioCcwDevice *ccw_dev, Error **errp)
  28 {
  29     VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(ccw_dev);
  30     DeviceState *vdev = DEVICE(&dev->vdev);
  31
  32     if (!qdev_realize(vdev, BUS(&ccw_dev->bus), errp)) {
  33         return;
  34     }
  35 }
  36
  37 static void virtio_ccw_crypto_instance_init(Object *obj)
  38 {
  39     VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(obj);
  40     VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj);
  41
  42     ccw_dev->force_revision_1 = true;
  43     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
  44                                 TYPE_VIRTIO_CRYPTO);
  45 }
  46
  47 static Property virtio_ccw_crypto_properties[] = {
  48     DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
  49                     VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
  50     DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
  51                        VIRTIO_CCW_MAX_REV),
  52     DEFINE_PROP_END_OF_LIST(),
  53 };
  54
  55 static void virtio_ccw_crypto_class_init(ObjectClass *klass, void *data)
  56 {
  57     DeviceClass *dc = DEVICE_CLASS(klass);
  58     VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
  59
  60     k->realize = virtio_ccw_crypto_realize;
  61     device_class_set_props(dc, virtio_ccw_crypto_properties);
  62     set_bit(DEVICE_CATEGORY_MISC, dc->categories);
  63 }
  64
  65 static const TypeInfo virtio_ccw_crypto = {
  66     .name          = TYPE_VIRTIO_CRYPTO_CCW,
  67     .parent        = TYPE_VIRTIO_CCW_DEVICE,
  68     .instance_size = sizeof(VirtIOCryptoCcw),
  69     .instance_init = virtio_ccw_crypto_instance_init,
  70     .class_init    = virtio_ccw_crypto_class_init,
  71 };
  72
  73 static void virtio_ccw_crypto_register(void)
  74 {
  75     type_register_static(&virtio_ccw_crypto);
  76 }
  77
  78 type_init(virtio_ccw_crypto_register)