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dcdc7ad3 TH |
1 | /* |
2 | * virtio ccw random number generator 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" | |
a27bd6c7 | 13 | #include "hw/qdev-properties.h" |
dcdc7ad3 TH |
14 | #include "hw/virtio/virtio.h" |
15 | #include "qapi/error.h" | |
0b8fa32f | 16 | #include "qemu/module.h" |
dcdc7ad3 TH |
17 | #include "virtio-ccw.h" |
18 | ||
19 | static void virtio_ccw_rng_realize(VirtioCcwDevice *ccw_dev, Error **errp) | |
20 | { | |
21 | VirtIORNGCcw *dev = VIRTIO_RNG_CCW(ccw_dev); | |
22 | DeviceState *vdev = DEVICE(&dev->vdev); | |
23 | Error *err = NULL; | |
24 | ||
25 | qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); | |
26 | object_property_set_bool(OBJECT(vdev), true, "realized", &err); | |
27 | if (err) { | |
28 | error_propagate(errp, err); | |
29 | return; | |
30 | } | |
31 | ||
32 | object_property_set_link(OBJECT(dev), | |
33 | OBJECT(dev->vdev.conf.rng), "rng", | |
34 | NULL); | |
35 | } | |
36 | ||
37 | static void virtio_ccw_rng_instance_init(Object *obj) | |
38 | { | |
39 | VirtIORNGCcw *dev = VIRTIO_RNG_CCW(obj); | |
40 | ||
41 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | |
42 | TYPE_VIRTIO_RNG); | |
43 | } | |
44 | ||
45 | static Property virtio_ccw_rng_properties[] = { | |
46 | DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, | |
47 | VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), | |
48 | DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, | |
49 | VIRTIO_CCW_MAX_REV), | |
50 | DEFINE_PROP_END_OF_LIST(), | |
51 | }; | |
52 | ||
53 | static void virtio_ccw_rng_class_init(ObjectClass *klass, void *data) | |
54 | { | |
55 | DeviceClass *dc = DEVICE_CLASS(klass); | |
56 | VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); | |
57 | ||
58 | k->realize = virtio_ccw_rng_realize; | |
59 | dc->props = virtio_ccw_rng_properties; | |
60 | set_bit(DEVICE_CATEGORY_MISC, dc->categories); | |
61 | } | |
62 | ||
63 | static const TypeInfo virtio_ccw_rng = { | |
64 | .name = TYPE_VIRTIO_RNG_CCW, | |
65 | .parent = TYPE_VIRTIO_CCW_DEVICE, | |
66 | .instance_size = sizeof(VirtIORNGCcw), | |
67 | .instance_init = virtio_ccw_rng_instance_init, | |
68 | .class_init = virtio_ccw_rng_class_init, | |
69 | }; | |
70 | ||
71 | static void virtio_ccw_rng_register(void) | |
72 | { | |
73 | type_register_static(&virtio_ccw_rng); | |
74 | } | |
75 | ||
76 | type_init(virtio_ccw_rng_register) |