qdev: Convert uses of qdev_set_parent_bus() with Coccinelle
[qemu.git] / hw / virtio / virtio-rng-pci.c
1 /*
2 * Virtio rng PCI Bindings
3 *
4 * Copyright 2012 Red Hat, Inc.
5 * Copyright 2012 Amit Shah <amit.shah@redhat.com>
6 *
7 * This work is licensed under the terms of the GNU GPL, version 2 or
8 * (at your option) any later version. See the COPYING file in the
9 * top-level directory.
10 */
11
12 #include "qemu/osdep.h"
13
14 #include "virtio-pci.h"
15 #include "hw/virtio/virtio-rng.h"
16 #include "qapi/error.h"
17 #include "qemu/module.h"
18
19 typedef struct VirtIORngPCI VirtIORngPCI;
20
21 /*
22 * virtio-rng-pci: This extends VirtioPCIProxy.
23 */
24 #define TYPE_VIRTIO_RNG_PCI "virtio-rng-pci-base"
25 #define VIRTIO_RNG_PCI(obj) \
26 OBJECT_CHECK(VirtIORngPCI, (obj), TYPE_VIRTIO_RNG_PCI)
27
28 struct VirtIORngPCI {
29 VirtIOPCIProxy parent_obj;
30 VirtIORNG vdev;
31 };
32
33 static void virtio_rng_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
34 {
35 VirtIORngPCI *vrng = VIRTIO_RNG_PCI(vpci_dev);
36 DeviceState *vdev = DEVICE(&vrng->vdev);
37 Error *err = NULL;
38
39 qdev_realize(vdev, BUS(&vpci_dev->bus), &err);
40 if (err) {
41 error_propagate(errp, err);
42 return;
43 }
44
45 object_property_set_link(OBJECT(vrng),
46 OBJECT(vrng->vdev.conf.rng), "rng",
47 NULL);
48 }
49
50 static void virtio_rng_pci_class_init(ObjectClass *klass, void *data)
51 {
52 DeviceClass *dc = DEVICE_CLASS(klass);
53 VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
54 PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
55
56 k->realize = virtio_rng_pci_realize;
57 set_bit(DEVICE_CATEGORY_MISC, dc->categories);
58
59 pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
60 pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_RNG;
61 pcidev_k->revision = VIRTIO_PCI_ABI_VERSION;
62 pcidev_k->class_id = PCI_CLASS_OTHERS;
63 }
64
65 static void virtio_rng_initfn(Object *obj)
66 {
67 VirtIORngPCI *dev = VIRTIO_RNG_PCI(obj);
68
69 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
70 TYPE_VIRTIO_RNG);
71 }
72
73 static const VirtioPCIDeviceTypeInfo virtio_rng_pci_info = {
74 .base_name = TYPE_VIRTIO_RNG_PCI,
75 .generic_name = "virtio-rng-pci",
76 .transitional_name = "virtio-rng-pci-transitional",
77 .non_transitional_name = "virtio-rng-pci-non-transitional",
78 .instance_size = sizeof(VirtIORngPCI),
79 .instance_init = virtio_rng_initfn,
80 .class_init = virtio_rng_pci_class_init,
81 };
82
83 static void virtio_rng_pci_register(void)
84 {
85 virtio_pci_types_register(&virtio_rng_pci_info);
86 }
87
88 type_init(virtio_rng_pci_register)