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/*
* Virtio net PCI Bindings
*
* Copyright IBM, Corp. 2007
* Copyright (c) 2009 CodeSourcery
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
* Paul Brook <paul@codesourcery.com>
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*
* Contributions after 2012-01-13 are licensed under the terms of the
* GNU GPL, version 2 or (at your option) any later version.
*/
#include "qemu/osdep.h"
#include "hw/qdev-properties.h"
#include "hw/virtio/virtio-net.h"
#include "hw/virtio/virtio-pci.h"
#include "qapi/error.h"
#include "qemu/module.h"
#include "qom/object.h"
typedef struct VirtIONetPCI VirtIONetPCI;
/*
* virtio-net-pci: This extends VirtioPCIProxy.
*/
#define TYPE_VIRTIO_NET_PCI "virtio-net-pci-base"
DECLARE_INSTANCE_CHECKER(VirtIONetPCI, VIRTIO_NET_PCI,
TYPE_VIRTIO_NET_PCI)
struct VirtIONetPCI {
VirtIOPCIProxy parent_obj;
VirtIONet vdev;
};
static const Property virtio_net_properties[] = {
DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
DEV_NVECTORS_UNSPECIFIED),
DEFINE_PROP_END_OF_LIST(),
};
static void virtio_net_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
{
DeviceState *qdev = DEVICE(vpci_dev);
VirtIONetPCI *dev = VIRTIO_NET_PCI(vpci_dev);
DeviceState *vdev = DEVICE(&dev->vdev);
VirtIONet *net = VIRTIO_NET(vdev);
if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) {
vpci_dev->nvectors = 2 * MAX(net->nic_conf.peers.queues, 1)
+ 1 /* Config interrupt */
+ 1 /* Control vq */;
}
virtio_net_set_netclient_name(&dev->vdev, qdev->id,
object_get_typename(OBJECT(qdev)));
qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
}
static void virtio_net_pci_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
VirtioPCIClass *vpciklass = VIRTIO_PCI_CLASS(klass);
k->romfile = "efi-virtio.rom";
k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
k->device_id = PCI_DEVICE_ID_VIRTIO_NET;
k->revision = VIRTIO_PCI_ABI_VERSION;
k->class_id = PCI_CLASS_NETWORK_ETHERNET;
set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
device_class_set_props(dc, virtio_net_properties);
vpciklass->realize = virtio_net_pci_realize;
}
static void virtio_net_pci_instance_init(Object *obj)
{
VirtIONetPCI *dev = VIRTIO_NET_PCI(obj);
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
TYPE_VIRTIO_NET);
object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
"bootindex");
}
static const VirtioPCIDeviceTypeInfo virtio_net_pci_info = {
.base_name = TYPE_VIRTIO_NET_PCI,
.generic_name = "virtio-net-pci",
.transitional_name = "virtio-net-pci-transitional",
.non_transitional_name = "virtio-net-pci-non-transitional",
.instance_size = sizeof(VirtIONetPCI),
.instance_init = virtio_net_pci_instance_init,
.class_init = virtio_net_pci_class_init,
};
static void virtio_net_pci_register(void)
{
virtio_pci_types_register(&virtio_net_pci_info);
}
type_init(virtio_net_pci_register)
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