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
virtio_ccw_crypto_realize(VirtioCcwDevice * ccw_dev,Error ** errp)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
virtio_ccw_crypto_instance_init(Object * obj)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
virtio_ccw_crypto_class_init(ObjectClass * klass,void * data)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
virtio_ccw_crypto_register(void)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)
79