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/virtio/virtio-net.h"
  21 #include "virtio-pci.h"
  22 #include "qapi/error.h"
  23
  24 typedef struct VirtIONetPCI VirtIONetPCI;
  25
  26 /*
  27  * virtio-net-pci: This extends VirtioPCIProxy.
  28  */
  29 #define TYPE_VIRTIO_NET_PCI "virtio-net-pci-base"
  30 #define VIRTIO_NET_PCI(obj) \
  31         OBJECT_CHECK(VirtIONetPCI, (obj), TYPE_VIRTIO_NET_PCI)
  32
  33 struct VirtIONetPCI {
  34     VirtIOPCIProxy parent_obj;
  35     VirtIONet vdev;
  36 };
  37
  38 static Property virtio_net_properties[] = {
  39     DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
  40                     VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
  41     DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 3),
  42     DEFINE_PROP_END_OF_LIST(),
  43 };
  44
  45 static void virtio_net_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
  46 {
  47     DeviceState *qdev = DEVICE(vpci_dev);
  48     VirtIONetPCI *dev = VIRTIO_NET_PCI(vpci_dev);
  49     DeviceState *vdev = DEVICE(&dev->vdev);
  50
  51     virtio_net_set_netclient_name(&dev->vdev, qdev->id,
  52                                   object_get_typename(OBJECT(qdev)));
  53     qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus));
  54     object_property_set_bool(OBJECT(vdev), true, "realized", errp);
  55 }
  56
  57 static void virtio_net_pci_class_init(ObjectClass *klass, void *data)
  58 {
  59     DeviceClass *dc = DEVICE_CLASS(klass);
  60     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
  61     VirtioPCIClass *vpciklass = VIRTIO_PCI_CLASS(klass);
  62
  63     k->romfile = "efi-virtio.rom";
  64     k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
  65     k->device_id = PCI_DEVICE_ID_VIRTIO_NET;
  66     k->revision = VIRTIO_PCI_ABI_VERSION;
  67     k->class_id = PCI_CLASS_NETWORK_ETHERNET;
  68     set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
  69     dc->props = virtio_net_properties;
  70     vpciklass->realize = virtio_net_pci_realize;
  71 }
  72
  73 static void virtio_net_pci_instance_init(Object *obj)
  74 {
  75     VirtIONetPCI *dev = VIRTIO_NET_PCI(obj);
  76
  77     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
  78                                 TYPE_VIRTIO_NET);
  79     object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
  80                               "bootindex", &error_abort);
  81 }
  82
  83 static const VirtioPCIDeviceTypeInfo virtio_net_pci_info = {
  84     .base_name             = TYPE_VIRTIO_NET_PCI,
  85     .generic_name          = "virtio-net-pci",
  86     .transitional_name     = "virtio-net-pci-transitional",
  87     .non_transitional_name = "virtio-net-pci-non-transitional",
  88     .instance_size = sizeof(VirtIONetPCI),
  89     .instance_init = virtio_net_pci_instance_init,
  90     .class_init    = virtio_net_pci_class_init,
  91 };
  92
  93 static void virtio_net_pci_register(void)
  94 {
  95     virtio_pci_types_register(&virtio_net_pci_info);
  96 }
  97
  98 type_init(virtio_net_pci_register)