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b307d308 GA |
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 | */ | |
0b8fa32f | 14 | |
b307d308 GA |
15 | #include "qemu/osdep.h" |
16 | #include "hw/pci/pci.h" | |
a27bd6c7 | 17 | #include "hw/qdev-properties.h" |
b307d308 GA |
18 | #include "hw/virtio/virtio.h" |
19 | #include "hw/virtio/virtio-bus.h" | |
20 | #include "hw/virtio/virtio-pci.h" | |
21 | #include "hw/virtio/virtio-crypto.h" | |
22 | #include "qapi/error.h" | |
0b8fa32f | 23 | #include "qemu/module.h" |
db1015e9 | 24 | #include "qom/object.h" |
b307d308 | 25 | |
7c8681d0 JQ |
26 | typedef struct VirtIOCryptoPCI VirtIOCryptoPCI; |
27 | ||
28 | /* | |
29 | * virtio-crypto-pci: This extends VirtioPCIProxy. | |
30 | */ | |
31 | #define TYPE_VIRTIO_CRYPTO_PCI "virtio-crypto-pci" | |
8110fa1d EH |
32 | DECLARE_INSTANCE_CHECKER(VirtIOCryptoPCI, VIRTIO_CRYPTO_PCI, |
33 | TYPE_VIRTIO_CRYPTO_PCI) | |
7c8681d0 JQ |
34 | |
35 | struct VirtIOCryptoPCI { | |
36 | VirtIOPCIProxy parent_obj; | |
37 | VirtIOCrypto vdev; | |
38 | }; | |
39 | ||
b307d308 GA |
40 | static Property virtio_crypto_pci_properties[] = { |
41 | DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags, | |
42 | VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true), | |
43 | DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2), | |
44 | DEFINE_PROP_END_OF_LIST(), | |
45 | }; | |
46 | ||
47 | static void virtio_crypto_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) | |
48 | { | |
49 | VirtIOCryptoPCI *vcrypto = VIRTIO_CRYPTO_PCI(vpci_dev); | |
50 | DeviceState *vdev = DEVICE(&vcrypto->vdev); | |
51 | ||
305f5131 GA |
52 | if (vcrypto->vdev.conf.cryptodev == NULL) { |
53 | error_setg(errp, "'cryptodev' parameter expects a valid object"); | |
54 | return; | |
55 | } | |
56 | ||
dd56040d | 57 | virtio_pci_force_virtio_1(vpci_dev); |
79c3e2bc MA |
58 | if (!qdev_realize(vdev, BUS(&vpci_dev->bus), errp)) { |
59 | return; | |
60 | } | |
b307d308 GA |
61 | } |
62 | ||
63 | static void virtio_crypto_pci_class_init(ObjectClass *klass, void *data) | |
64 | { | |
65 | DeviceClass *dc = DEVICE_CLASS(klass); | |
66 | VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); | |
67 | PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); | |
68 | ||
69 | k->realize = virtio_crypto_pci_realize; | |
70 | set_bit(DEVICE_CATEGORY_MISC, dc->categories); | |
4f67d30b | 71 | device_class_set_props(dc, virtio_crypto_pci_properties); |
b307d308 GA |
72 | pcidev_k->class_id = PCI_CLASS_OTHERS; |
73 | } | |
74 | ||
75 | static void virtio_crypto_initfn(Object *obj) | |
76 | { | |
77 | VirtIOCryptoPCI *dev = VIRTIO_CRYPTO_PCI(obj); | |
78 | ||
79 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | |
80 | TYPE_VIRTIO_CRYPTO); | |
b307d308 GA |
81 | } |
82 | ||
a4ee4c8b EH |
83 | static const VirtioPCIDeviceTypeInfo virtio_crypto_pci_info = { |
84 | .generic_name = TYPE_VIRTIO_CRYPTO_PCI, | |
b307d308 GA |
85 | .instance_size = sizeof(VirtIOCryptoPCI), |
86 | .instance_init = virtio_crypto_initfn, | |
87 | .class_init = virtio_crypto_pci_class_init, | |
88 | }; | |
89 | ||
90 | static void virtio_crypto_pci_register_types(void) | |
91 | { | |
a4ee4c8b | 92 | virtio_pci_types_register(&virtio_crypto_pci_info); |
b307d308 GA |
93 | } |
94 | type_init(virtio_crypto_pci_register_types) |