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 18 static void virtio_ccw_crypto_realize(VirtioCcwDevice *ccw_dev, Error **errp) 19 { 20 VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(ccw_dev); 21 DeviceState *vdev = DEVICE(&dev->vdev); 22 Error *err = NULL; 23 24 if (!qdev_realize(vdev, BUS(&ccw_dev->bus), &err)) { 25 error_propagate(errp, err); 26 return; 27 } 28 29 object_property_set_link(OBJECT(vdev), "cryptodev", 30 OBJECT(dev->vdev.conf.cryptodev), NULL); 31 } 32 33 static void virtio_ccw_crypto_instance_init(Object *obj) 34 { 35 VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(obj); 36 VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj); 37 38 ccw_dev->force_revision_1 = true; 39 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 40 TYPE_VIRTIO_CRYPTO); 41 } 42 43 static Property virtio_ccw_crypto_properties[] = { 44 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 45 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 46 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 47 VIRTIO_CCW_MAX_REV), 48 DEFINE_PROP_END_OF_LIST(), 49 }; 50 51 static void virtio_ccw_crypto_class_init(ObjectClass *klass, void *data) 52 { 53 DeviceClass *dc = DEVICE_CLASS(klass); 54 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 55 56 k->realize = virtio_ccw_crypto_realize; 57 device_class_set_props(dc, virtio_ccw_crypto_properties); 58 set_bit(DEVICE_CATEGORY_MISC, dc->categories); 59 } 60 61 static const TypeInfo virtio_ccw_crypto = { 62 .name = TYPE_VIRTIO_CRYPTO_CCW, 63 .parent = TYPE_VIRTIO_CCW_DEVICE, 64 .instance_size = sizeof(VirtIOCryptoCcw), 65 .instance_init = virtio_ccw_crypto_instance_init, 66 .class_init = virtio_ccw_crypto_class_init, 67 }; 68 69 static void virtio_ccw_crypto_register(void) 70 { 71 type_register_static(&virtio_ccw_crypto); 72 } 73 74 type_init(virtio_ccw_crypto_register) 75