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
19typedef 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
28struct VirtIORngPCI {
29 VirtIOPCIProxy parent_obj;
30 VirtIORNG vdev;
31};
32
33static 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_set_parent_bus(vdev, BUS(&vpci_dev->bus));
40 object_property_set_bool(OBJECT(vdev), true, "realized", &err);
41 if (err) {
42 error_propagate(errp, err);
43 return;
44 }
45
46 object_property_set_link(OBJECT(vrng),
47 OBJECT(vrng->vdev.conf.rng), "rng",
48 NULL);
49}
50
51static void virtio_rng_pci_class_init(ObjectClass *klass, void *data)
52{
53 DeviceClass *dc = DEVICE_CLASS(klass);
54 VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
55 PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
56
57 k->realize = virtio_rng_pci_realize;
58 set_bit(DEVICE_CATEGORY_MISC, dc->categories);
59
60 pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
61 pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_RNG;
62 pcidev_k->revision = VIRTIO_PCI_ABI_VERSION;
63 pcidev_k->class_id = PCI_CLASS_OTHERS;
64}
65
66static void virtio_rng_initfn(Object *obj)
67{
68 VirtIORngPCI *dev = VIRTIO_RNG_PCI(obj);
69
70 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
71 TYPE_VIRTIO_RNG);
72}
73
74static const VirtioPCIDeviceTypeInfo virtio_rng_pci_info = {
75 .base_name = TYPE_VIRTIO_RNG_PCI,
76 .generic_name = "virtio-rng-pci",
77 .transitional_name = "virtio-rng-pci-transitional",
78 .non_transitional_name = "virtio-rng-pci-non-transitional",
79 .instance_size = sizeof(VirtIORngPCI),
80 .instance_init = virtio_rng_initfn,
81 .class_init = virtio_rng_pci_class_init,
82};
83
84static void virtio_rng_pci_register(void)
85{
86 virtio_pci_types_register(&virtio_rng_pci_info);
87}
88
89type_init(virtio_rng_pci_register)
90