1 /* 2 * Virtio crypto device 3 * 4 * Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD. 5 * 6 * Authors: 7 * Gonglei <arei.gonglei@huawei.com> 8 * 9 * This work is licensed under the terms of the GNU GPL, version 2 or 10 * (at your option) any later version. See the COPYING file in the 11 * top-level directory. 12 * 13 */ 14 #include "qemu/osdep.h" 15 #include "hw/pci/pci.h" 16 #include "hw/virtio/virtio.h" 17 #include "hw/virtio/virtio-bus.h" 18 #include "hw/virtio/virtio-pci.h" 19 #include "hw/virtio/virtio-crypto.h" 20 #include "qapi/error.h" 21 22 static Property virtio_crypto_pci_properties[] = { 23 DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags, 24 VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true), 25 DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2), 26 DEFINE_PROP_END_OF_LIST(), 27 }; 28 29 static void virtio_crypto_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) 30 { 31 VirtIOCryptoPCI *vcrypto = VIRTIO_CRYPTO_PCI(vpci_dev); 32 DeviceState *vdev = DEVICE(&vcrypto->vdev); 33 34 qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus)); 35 virtio_pci_force_virtio_1(vpci_dev); 36 object_property_set_bool(OBJECT(vdev), true, "realized", errp); 37 object_property_set_link(OBJECT(vcrypto), 38 OBJECT(vcrypto->vdev.conf.cryptodev), "cryptodev", 39 NULL); 40 } 41 42 static void virtio_crypto_pci_class_init(ObjectClass *klass, void *data) 43 { 44 DeviceClass *dc = DEVICE_CLASS(klass); 45 VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); 46 PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); 47 48 k->realize = virtio_crypto_pci_realize; 49 set_bit(DEVICE_CATEGORY_MISC, dc->categories); 50 dc->props = virtio_crypto_pci_properties; 51 dc->hotpluggable = false; 52 pcidev_k->class_id = PCI_CLASS_OTHERS; 53 } 54 55 static void virtio_crypto_initfn(Object *obj) 56 { 57 VirtIOCryptoPCI *dev = VIRTIO_CRYPTO_PCI(obj); 58 59 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 60 TYPE_VIRTIO_CRYPTO); 61 object_property_add_alias(obj, "cryptodev", OBJECT(&dev->vdev), 62 "cryptodev", &error_abort); 63 } 64 65 static const TypeInfo virtio_crypto_pci_info = { 66 .name = TYPE_VIRTIO_CRYPTO_PCI, 67 .parent = TYPE_VIRTIO_PCI, 68 .instance_size = sizeof(VirtIOCryptoPCI), 69 .instance_init = virtio_crypto_initfn, 70 .class_init = virtio_crypto_pci_class_init, 71 }; 72 73 static void virtio_crypto_pci_register_types(void) 74 { 75 type_register_static(&virtio_crypto_pci_info); 76 } 77 type_init(virtio_crypto_pci_register_types) 78