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cad3cd79 JQ |
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 | ||
a27bd6c7 | 20 | #include "hw/qdev-properties.h" |
cad3cd79 | 21 | #include "hw/virtio/virtio-net.h" |
e1b1f534 | 22 | #include "hw/virtio/virtio-pci.h" |
cad3cd79 | 23 | #include "qapi/error.h" |
0b8fa32f | 24 | #include "qemu/module.h" |
db1015e9 | 25 | #include "qom/object.h" |
cad3cd79 JQ |
26 | |
27 | typedef struct VirtIONetPCI VirtIONetPCI; | |
28 | ||
29 | /* | |
30 | * virtio-net-pci: This extends VirtioPCIProxy. | |
31 | */ | |
32 | #define TYPE_VIRTIO_NET_PCI "virtio-net-pci-base" | |
8110fa1d EH |
33 | DECLARE_INSTANCE_CHECKER(VirtIONetPCI, VIRTIO_NET_PCI, |
34 | TYPE_VIRTIO_NET_PCI) | |
cad3cd79 JQ |
35 | |
36 | struct VirtIONetPCI { | |
37 | VirtIOPCIProxy parent_obj; | |
38 | VirtIONet vdev; | |
39 | }; | |
40 | ||
41 | static Property virtio_net_properties[] = { | |
42 | DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags, | |
43 | VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true), | |
51a81a21 JW |
44 | DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, |
45 | DEV_NVECTORS_UNSPECIFIED), | |
cad3cd79 JQ |
46 | DEFINE_PROP_END_OF_LIST(), |
47 | }; | |
48 | ||
49 | static void virtio_net_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) | |
50 | { | |
51 | DeviceState *qdev = DEVICE(vpci_dev); | |
52 | VirtIONetPCI *dev = VIRTIO_NET_PCI(vpci_dev); | |
53 | DeviceState *vdev = DEVICE(&dev->vdev); | |
51a81a21 JW |
54 | VirtIONet *net = VIRTIO_NET(vdev); |
55 | ||
56 | if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) { | |
57 | vpci_dev->nvectors = 2 * MAX(net->nic_conf.peers.queues, 1) | |
58 | + 1 /* Config interrupt */ | |
59 | + 1 /* Control vq */; | |
60 | } | |
cad3cd79 JQ |
61 | |
62 | virtio_net_set_netclient_name(&dev->vdev, qdev->id, | |
63 | object_get_typename(OBJECT(qdev))); | |
99ba777e | 64 | qdev_realize(vdev, BUS(&vpci_dev->bus), errp); |
cad3cd79 JQ |
65 | } |
66 | ||
67 | static void virtio_net_pci_class_init(ObjectClass *klass, void *data) | |
68 | { | |
69 | DeviceClass *dc = DEVICE_CLASS(klass); | |
70 | PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); | |
71 | VirtioPCIClass *vpciklass = VIRTIO_PCI_CLASS(klass); | |
72 | ||
73 | k->romfile = "efi-virtio.rom"; | |
74 | k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; | |
75 | k->device_id = PCI_DEVICE_ID_VIRTIO_NET; | |
76 | k->revision = VIRTIO_PCI_ABI_VERSION; | |
77 | k->class_id = PCI_CLASS_NETWORK_ETHERNET; | |
78 | set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); | |
4f67d30b | 79 | device_class_set_props(dc, virtio_net_properties); |
cad3cd79 JQ |
80 | vpciklass->realize = virtio_net_pci_realize; |
81 | } | |
82 | ||
83 | static void virtio_net_pci_instance_init(Object *obj) | |
84 | { | |
85 | VirtIONetPCI *dev = VIRTIO_NET_PCI(obj); | |
86 | ||
87 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | |
88 | TYPE_VIRTIO_NET); | |
89 | object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), | |
d2623129 | 90 | "bootindex"); |
cad3cd79 JQ |
91 | } |
92 | ||
93 | static const VirtioPCIDeviceTypeInfo virtio_net_pci_info = { | |
94 | .base_name = TYPE_VIRTIO_NET_PCI, | |
95 | .generic_name = "virtio-net-pci", | |
96 | .transitional_name = "virtio-net-pci-transitional", | |
97 | .non_transitional_name = "virtio-net-pci-non-transitional", | |
98 | .instance_size = sizeof(VirtIONetPCI), | |
99 | .instance_init = virtio_net_pci_instance_init, | |
100 | .class_init = virtio_net_pci_class_init, | |
101 | }; | |
102 | ||
103 | static void virtio_net_pci_register(void) | |
104 | { | |
105 | virtio_pci_types_register(&virtio_net_pci_info); | |
106 | } | |
107 | ||
108 | type_init(virtio_net_pci_register) |