xref: /openbmc/qemu/hw/s390x/virtio-ccw-crypto.c (revision a8e1b5ffc7ce390b11232e311e6cfd8c1ed11055)
1*a8e1b5ffSThomas Huth /*
2*a8e1b5ffSThomas Huth  * virtio ccw crypto implementation
3*a8e1b5ffSThomas Huth  *
4*a8e1b5ffSThomas Huth  * Copyright 2012, 2015 IBM Corp.
5*a8e1b5ffSThomas Huth  *
6*a8e1b5ffSThomas Huth  * This work is licensed under the terms of the GNU GPL, version 2 or (at
7*a8e1b5ffSThomas Huth  * your option) any later version. See the COPYING file in the top-level
8*a8e1b5ffSThomas Huth  * directory.
9*a8e1b5ffSThomas Huth  */
10*a8e1b5ffSThomas Huth 
11*a8e1b5ffSThomas Huth #include "qemu/osdep.h"
12*a8e1b5ffSThomas Huth #include "hw/virtio/virtio.h"
13*a8e1b5ffSThomas Huth #include "qapi/error.h"
14*a8e1b5ffSThomas Huth #include "virtio-ccw.h"
15*a8e1b5ffSThomas Huth 
16*a8e1b5ffSThomas Huth static void virtio_ccw_crypto_realize(VirtioCcwDevice *ccw_dev, Error **errp)
17*a8e1b5ffSThomas Huth {
18*a8e1b5ffSThomas Huth     VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(ccw_dev);
19*a8e1b5ffSThomas Huth     DeviceState *vdev = DEVICE(&dev->vdev);
20*a8e1b5ffSThomas Huth     Error *err = NULL;
21*a8e1b5ffSThomas Huth 
22*a8e1b5ffSThomas Huth     qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
23*a8e1b5ffSThomas Huth     object_property_set_bool(OBJECT(vdev), true, "realized", &err);
24*a8e1b5ffSThomas Huth     if (err) {
25*a8e1b5ffSThomas Huth         error_propagate(errp, err);
26*a8e1b5ffSThomas Huth         return;
27*a8e1b5ffSThomas Huth     }
28*a8e1b5ffSThomas Huth 
29*a8e1b5ffSThomas Huth     object_property_set_link(OBJECT(vdev),
30*a8e1b5ffSThomas Huth                              OBJECT(dev->vdev.conf.cryptodev), "cryptodev",
31*a8e1b5ffSThomas Huth                              NULL);
32*a8e1b5ffSThomas Huth }
33*a8e1b5ffSThomas Huth 
34*a8e1b5ffSThomas Huth static void virtio_ccw_crypto_instance_init(Object *obj)
35*a8e1b5ffSThomas Huth {
36*a8e1b5ffSThomas Huth     VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(obj);
37*a8e1b5ffSThomas Huth     VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj);
38*a8e1b5ffSThomas Huth 
39*a8e1b5ffSThomas Huth     ccw_dev->force_revision_1 = true;
40*a8e1b5ffSThomas Huth     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
41*a8e1b5ffSThomas Huth                                 TYPE_VIRTIO_CRYPTO);
42*a8e1b5ffSThomas Huth }
43*a8e1b5ffSThomas Huth 
44*a8e1b5ffSThomas Huth static Property virtio_ccw_crypto_properties[] = {
45*a8e1b5ffSThomas Huth     DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
46*a8e1b5ffSThomas Huth                     VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
47*a8e1b5ffSThomas Huth     DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
48*a8e1b5ffSThomas Huth                        VIRTIO_CCW_MAX_REV),
49*a8e1b5ffSThomas Huth     DEFINE_PROP_END_OF_LIST(),
50*a8e1b5ffSThomas Huth };
51*a8e1b5ffSThomas Huth 
52*a8e1b5ffSThomas Huth static void virtio_ccw_crypto_class_init(ObjectClass *klass, void *data)
53*a8e1b5ffSThomas Huth {
54*a8e1b5ffSThomas Huth     DeviceClass *dc = DEVICE_CLASS(klass);
55*a8e1b5ffSThomas Huth     VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
56*a8e1b5ffSThomas Huth 
57*a8e1b5ffSThomas Huth     k->realize = virtio_ccw_crypto_realize;
58*a8e1b5ffSThomas Huth     dc->props = virtio_ccw_crypto_properties;
59*a8e1b5ffSThomas Huth     set_bit(DEVICE_CATEGORY_MISC, dc->categories);
60*a8e1b5ffSThomas Huth }
61*a8e1b5ffSThomas Huth 
62*a8e1b5ffSThomas Huth static const TypeInfo virtio_ccw_crypto = {
63*a8e1b5ffSThomas Huth     .name          = TYPE_VIRTIO_CRYPTO_CCW,
64*a8e1b5ffSThomas Huth     .parent        = TYPE_VIRTIO_CCW_DEVICE,
65*a8e1b5ffSThomas Huth     .instance_size = sizeof(VirtIOCryptoCcw),
66*a8e1b5ffSThomas Huth     .instance_init = virtio_ccw_crypto_instance_init,
67*a8e1b5ffSThomas Huth     .class_init    = virtio_ccw_crypto_class_init,
68*a8e1b5ffSThomas Huth };
69*a8e1b5ffSThomas Huth 
70*a8e1b5ffSThomas Huth static void virtio_ccw_crypto_register(void)
71*a8e1b5ffSThomas Huth {
72*a8e1b5ffSThomas Huth     type_register_static(&virtio_ccw_crypto);
73*a8e1b5ffSThomas Huth }
74*a8e1b5ffSThomas Huth 
75*a8e1b5ffSThomas Huth type_init(virtio_ccw_crypto_register)
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