LXR qemu/hw/virtio/vhost-user-vsock-pci.c

   1/*
   2 * Vhost-user vsock PCI Bindings
   3 *
   4 * Copyright 2020 Red Hat, Inc.
   5 *
   6 * This work is licensed under the terms of the GNU GPL, version 2 or
   7 * (at your option) any later version.  See the COPYING file in the
   8 * top-level directory.
   9 */
  10
  11#include "qemu/osdep.h"
  12
  13#include "virtio-pci.h"
  14#include "hw/qdev-properties.h"
  15#include "hw/virtio/vhost-user-vsock.h"
  16
  17typedef struct VHostUserVSockPCI VHostUserVSockPCI;
  18
  19/*
  20 * vhost-user-vsock-pci: This extends VirtioPCIProxy.
  21 */
  22#define TYPE_VHOST_USER_VSOCK_PCI "vhost-user-vsock-pci-base"
  23#define VHOST_USER_VSOCK_PCI(obj) \
  24        OBJECT_CHECK(VHostUserVSockPCI, (obj), TYPE_VHOST_USER_VSOCK_PCI)
  25
  26struct VHostUserVSockPCI {
  27    VirtIOPCIProxy parent_obj;
  28    VHostUserVSock vdev;
  29};
  30
  31/* vhost-user-vsock-pci */
  32
  33static Property vhost_user_vsock_pci_properties[] = {
  34    DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 3),
  35    DEFINE_PROP_END_OF_LIST(),
  36};
  37
  38static void vhost_user_vsock_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
  39{
  40    VHostUserVSockPCI *dev = VHOST_USER_VSOCK_PCI(vpci_dev);
  41    DeviceState *vdev = DEVICE(&dev->vdev);
  42
  43    qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
  44}
  45
  46static void vhost_user_vsock_pci_class_init(ObjectClass *klass, void *data)
  47{
  48    DeviceClass *dc = DEVICE_CLASS(klass);
  49    VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
  50    PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
  51    k->realize = vhost_user_vsock_pci_realize;
  52    set_bit(DEVICE_CATEGORY_MISC, dc->categories);
  53    device_class_set_props(dc, vhost_user_vsock_pci_properties);
  54    pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
  55    pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_VSOCK;
  56    pcidev_k->revision = 0x00;
  57    pcidev_k->class_id = PCI_CLASS_COMMUNICATION_OTHER;
  58}
  59
  60static void vhost_user_vsock_pci_instance_init(Object *obj)
  61{
  62    VHostUserVSockPCI *dev = VHOST_USER_VSOCK_PCI(obj);
  63
  64    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
  65                                TYPE_VHOST_USER_VSOCK);
  66}
  67
  68static const VirtioPCIDeviceTypeInfo vhost_user_vsock_pci_info = {
  69    .base_name             = TYPE_VHOST_USER_VSOCK_PCI,
  70    .generic_name          = "vhost-user-vsock-pci",
  71    .transitional_name     = "vhost-user-vsock-pci-transitional",
  72    .non_transitional_name = "vhost-user-vsock-pci-non-transitional",
  73    .instance_size = sizeof(VHostUserVSockPCI),
  74    .instance_init = vhost_user_vsock_pci_instance_init,
  75    .class_init    = vhost_user_vsock_pci_class_init,
  76};
  77
  78static void virtio_pci_vhost_register(void)
  79{
  80    virtio_pci_types_register(&vhost_user_vsock_pci_info);
  81}
  82
  83type_init(virtio_pci_vhost_register)
  84