qemu

FORK: QEMU emulator
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virtio-ccw-crypto.c (2309B)

      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)