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
  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     device_class_set_props(dc, 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");
  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)