|  | /* | 
|  | * Virtio crypto device | 
|  | * | 
|  | * Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD. | 
|  | * | 
|  | * Authors: | 
|  | *    Gonglei <arei.gonglei@huawei.com> | 
|  | * | 
|  | * This work is licensed under the terms of the GNU GPL, version 2 or | 
|  | * (at your option) any later version.  See the COPYING file in the | 
|  | * top-level directory. | 
|  | * | 
|  | */ | 
|  |  | 
|  | #include "qemu/osdep.h" | 
|  | #include "hw/pci/pci.h" | 
|  | #include "hw/qdev-properties.h" | 
|  | #include "hw/virtio/virtio.h" | 
|  | #include "hw/virtio/virtio-bus.h" | 
|  | #include "hw/virtio/virtio-pci.h" | 
|  | #include "hw/virtio/virtio-crypto.h" | 
|  | #include "qapi/error.h" | 
|  | #include "qemu/module.h" | 
|  | #include "qom/object.h" | 
|  |  | 
|  | typedef struct VirtIOCryptoPCI VirtIOCryptoPCI; | 
|  |  | 
|  | /* | 
|  | * virtio-crypto-pci: This extends VirtioPCIProxy. | 
|  | */ | 
|  | #define TYPE_VIRTIO_CRYPTO_PCI "virtio-crypto-pci" | 
|  | DECLARE_INSTANCE_CHECKER(VirtIOCryptoPCI, VIRTIO_CRYPTO_PCI, | 
|  | TYPE_VIRTIO_CRYPTO_PCI) | 
|  |  | 
|  | struct VirtIOCryptoPCI { | 
|  | VirtIOPCIProxy parent_obj; | 
|  | VirtIOCrypto vdev; | 
|  | }; | 
|  |  | 
|  | static const Property virtio_crypto_pci_properties[] = { | 
|  | DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags, | 
|  | VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true), | 
|  | DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2), | 
|  | }; | 
|  |  | 
|  | static void virtio_crypto_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) | 
|  | { | 
|  | VirtIOCryptoPCI *vcrypto = VIRTIO_CRYPTO_PCI(vpci_dev); | 
|  | DeviceState *vdev = DEVICE(&vcrypto->vdev); | 
|  |  | 
|  | if (vcrypto->vdev.conf.cryptodev == NULL) { | 
|  | error_setg(errp, "'cryptodev' parameter expects a valid object"); | 
|  | return; | 
|  | } | 
|  |  | 
|  | virtio_pci_force_virtio_1(vpci_dev); | 
|  | if (!qdev_realize(vdev, BUS(&vpci_dev->bus), errp)) { | 
|  | return; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void virtio_crypto_pci_class_init(ObjectClass *klass, const void *data) | 
|  | { | 
|  | DeviceClass *dc = DEVICE_CLASS(klass); | 
|  | VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); | 
|  | PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); | 
|  |  | 
|  | k->realize = virtio_crypto_pci_realize; | 
|  | set_bit(DEVICE_CATEGORY_MISC, dc->categories); | 
|  | device_class_set_props(dc, virtio_crypto_pci_properties); | 
|  | pcidev_k->class_id = PCI_CLASS_OTHERS; | 
|  | } | 
|  |  | 
|  | static void virtio_crypto_initfn(Object *obj) | 
|  | { | 
|  | VirtIOCryptoPCI *dev = VIRTIO_CRYPTO_PCI(obj); | 
|  |  | 
|  | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | 
|  | TYPE_VIRTIO_CRYPTO); | 
|  | } | 
|  |  | 
|  | static const VirtioPCIDeviceTypeInfo virtio_crypto_pci_info = { | 
|  | .generic_name  = TYPE_VIRTIO_CRYPTO_PCI, | 
|  | .instance_size = sizeof(VirtIOCryptoPCI), | 
|  | .instance_init = virtio_crypto_initfn, | 
|  | .class_init    = virtio_crypto_pci_class_init, | 
|  | }; | 
|  |  | 
|  | static void virtio_crypto_pci_register_types(void) | 
|  | { | 
|  | virtio_pci_types_register(&virtio_crypto_pci_info); | 
|  | } | 
|  | type_init(virtio_crypto_pci_register_types) |