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_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 | |
51 | static 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 | |
66 | static 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 | |
74 | static 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 | |
84 | static void virtio_rng_pci_register(void) |
85 | { |
86 | virtio_pci_types_register(&virtio_rng_pci_info); |
87 | } |
88 | |
89 | type_init(virtio_rng_pci_register) |
90 | |