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 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 25 object_property_set_bool(OBJECT(vdev), true, "realized", &err); 26 if (err) { 27 error_propagate(errp, err); 28 return; 29 } 30 31 object_property_set_link(OBJECT(vdev), 32 OBJECT(dev->vdev.conf.cryptodev), "cryptodev", 33 NULL); 34 } 35 36 static void virtio_ccw_crypto_instance_init(Object *obj) 37 { 38 VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(obj); 39 VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj); 40 41 ccw_dev->force_revision_1 = true; 42 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 43 TYPE_VIRTIO_CRYPTO); 44 } 45 46 static Property virtio_ccw_crypto_properties[] = { 47 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 48 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 49 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 50 VIRTIO_CCW_MAX_REV), 51 DEFINE_PROP_END_OF_LIST(), 52 }; 53 54 static void virtio_ccw_crypto_class_init(ObjectClass *klass, void *data) 55 { 56 DeviceClass *dc = DEVICE_CLASS(klass); 57 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 58 59 k->realize = virtio_ccw_crypto_realize; 60 device_class_set_props(dc, virtio_ccw_crypto_properties); 61 set_bit(DEVICE_CATEGORY_MISC, dc->categories); 62 } 63 64 static const TypeInfo virtio_ccw_crypto = { 65 .name = TYPE_VIRTIO_CRYPTO_CCW, 66 .parent = TYPE_VIRTIO_CCW_DEVICE, 67 .instance_size = sizeof(VirtIOCryptoCcw), 68 .instance_init = virtio_ccw_crypto_instance_init, 69 .class_init = virtio_ccw_crypto_class_init, 70 }; 71 72 static void virtio_ccw_crypto_register(void) 73 { 74 type_register_static(&virtio_ccw_crypto); 75 } 76 77 type_init(virtio_ccw_crypto_register) 78