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06d97bb6 JQ |
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 | ||
18 | typedef struct VirtIORngPCI VirtIORngPCI; | |
19 | ||
20 | /* | |
21 | * virtio-rng-pci: This extends VirtioPCIProxy. | |
22 | */ | |
23 | #define TYPE_VIRTIO_RNG_PCI "virtio-rng-pci-base" | |
24 | #define VIRTIO_RNG_PCI(obj) \ | |
25 | OBJECT_CHECK(VirtIORngPCI, (obj), TYPE_VIRTIO_RNG_PCI) | |
26 | ||
27 | struct VirtIORngPCI { | |
28 | VirtIOPCIProxy parent_obj; | |
29 | VirtIORNG vdev; | |
30 | }; | |
31 | ||
32 | static void virtio_rng_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) | |
33 | { | |
34 | VirtIORngPCI *vrng = VIRTIO_RNG_PCI(vpci_dev); | |
35 | DeviceState *vdev = DEVICE(&vrng->vdev); | |
36 | Error *err = NULL; | |
37 | ||
38 | qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus)); | |
39 | object_property_set_bool(OBJECT(vdev), true, "realized", &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) |