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