qemu

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)
79