LXR qemu/hw/virtio/virtio-net-pci.c

   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
  26typedef 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
  35struct VirtIONetPCI {
  36    VirtIOPCIProxy parent_obj;
  37    VirtIONet vdev;
  38};
  39
  40static 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
  47static 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
  59static 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
  75static 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
  85static 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
  95static void virtio_net_pci_register(void)
  96{
  97    virtio_pci_types_register(&virtio_net_pci_info);
  98}
  99
 100type_init(virtio_net_pci_register)
 101