1 | /* |
2 | * Virtio net PCI Bindings |
3 | * |
4 | * Copyright IBM, Corp. 2007 |
5 | * Copyright (c) 2009 CodeSourcery |
6 | * |
7 | * Authors: |
8 | * Anthony Liguori <aliguori@us.ibm.com> |
9 | * Paul Brook <paul@codesourcery.com> |
10 | * |
11 | * This work is licensed under the terms of the GNU GPL, version 2. See |
12 | * the COPYING file in the top-level directory. |
13 | * |
14 | * Contributions after 2012-01-13 are licensed under the terms of the |
15 | * GNU GPL, version 2 or (at your option) any later version. |
16 | */ |
17 | |
18 | #include "qemu/osdep.h" |
19 | |
20 | #include "hw/qdev-properties.h" |
21 | #include "hw/virtio/virtio-net.h" |
22 | #include "virtio-pci.h" |
23 | #include "qapi/error.h" |
24 | #include "qemu/module.h" |
25 | |
26 | typedef struct VirtIONetPCI VirtIONetPCI; |
27 | |
28 | /* |
29 | * virtio-net-pci: This extends VirtioPCIProxy. |
30 | */ |
31 | #define TYPE_VIRTIO_NET_PCI "virtio-net-pci-base" |
32 | #define VIRTIO_NET_PCI(obj) \ |
33 | OBJECT_CHECK(VirtIONetPCI, (obj), TYPE_VIRTIO_NET_PCI) |
34 | |
35 | struct VirtIONetPCI { |
36 | VirtIOPCIProxy parent_obj; |
37 | VirtIONet vdev; |
38 | }; |
39 | |
40 | static Property virtio_net_properties[] = { |
41 | DEFINE_PROP_BIT("ioeventfd" , VirtIOPCIProxy, flags, |
42 | VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true), |
43 | DEFINE_PROP_UINT32("vectors" , VirtIOPCIProxy, nvectors, 3), |
44 | DEFINE_PROP_END_OF_LIST(), |
45 | }; |
46 | |
47 | static void virtio_net_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) |
48 | { |
49 | DeviceState *qdev = DEVICE(vpci_dev); |
50 | VirtIONetPCI *dev = VIRTIO_NET_PCI(vpci_dev); |
51 | DeviceState *vdev = DEVICE(&dev->vdev); |
52 | |
53 | virtio_net_set_netclient_name(&dev->vdev, qdev->id, |
54 | object_get_typename(OBJECT(qdev))); |
55 | qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus)); |
56 | object_property_set_bool(OBJECT(vdev), true, "realized" , errp); |
57 | } |
58 | |
59 | static void virtio_net_pci_class_init(ObjectClass *klass, void *data) |
60 | { |
61 | DeviceClass *dc = DEVICE_CLASS(klass); |
62 | PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); |
63 | VirtioPCIClass *vpciklass = VIRTIO_PCI_CLASS(klass); |
64 | |
65 | k->romfile = "efi-virtio.rom" ; |
66 | k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; |
67 | k->device_id = PCI_DEVICE_ID_VIRTIO_NET; |
68 | k->revision = VIRTIO_PCI_ABI_VERSION; |
69 | k->class_id = PCI_CLASS_NETWORK_ETHERNET; |
70 | set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); |
71 | dc->props = virtio_net_properties; |
72 | vpciklass->realize = virtio_net_pci_realize; |
73 | } |
74 | |
75 | static void virtio_net_pci_instance_init(Object *obj) |
76 | { |
77 | VirtIONetPCI *dev = VIRTIO_NET_PCI(obj); |
78 | |
79 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), |
80 | TYPE_VIRTIO_NET); |
81 | object_property_add_alias(obj, "bootindex" , OBJECT(&dev->vdev), |
82 | "bootindex" , &error_abort); |
83 | } |
84 | |
85 | static const VirtioPCIDeviceTypeInfo virtio_net_pci_info = { |
86 | .base_name = TYPE_VIRTIO_NET_PCI, |
87 | .generic_name = "virtio-net-pci" , |
88 | .transitional_name = "virtio-net-pci-transitional" , |
89 | .non_transitional_name = "virtio-net-pci-non-transitional" , |
90 | .instance_size = sizeof(VirtIONetPCI), |
91 | .instance_init = virtio_net_pci_instance_init, |
92 | .class_init = virtio_net_pci_class_init, |
93 | }; |
94 | |
95 | static void virtio_net_pci_register(void) |
96 | { |
97 | virtio_pci_types_register(&virtio_net_pci_info); |
98 | } |
99 | |
100 | type_init(virtio_net_pci_register) |
101 | |