LXR qemu/hw/virtio/virtio-balloon-pci.c

   1/*
   2 * Virtio balloon 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 * Contributions after 2012-01-13 are licensed under the terms of the
  12 * GNU GPL, version 2 or (at your option) any later version.
  13 */
  14
  15#include "qemu/osdep.h"
  16
  17#include "virtio-pci.h"
  18#include "hw/qdev-properties.h"
  19#include "hw/virtio/virtio-balloon.h"
  20#include "qapi/error.h"
  21#include "qemu/module.h"
  22#include "qom/object.h"
  23
  24typedef struct VirtIOBalloonPCI VirtIOBalloonPCI;
  25
  26/*
  27 * virtio-balloon-pci: This extends VirtioPCIProxy.
  28 */
  29#define TYPE_VIRTIO_BALLOON_PCI "virtio-balloon-pci-base"
  30DECLARE_INSTANCE_CHECKER(VirtIOBalloonPCI, VIRTIO_BALLOON_PCI,
  31                         TYPE_VIRTIO_BALLOON_PCI)
  32
  33struct VirtIOBalloonPCI {
  34    VirtIOPCIProxy parent_obj;
  35    VirtIOBalloon vdev;
  36};
  37
  38static void virtio_balloon_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
  39{
  40    VirtIOBalloonPCI *dev = VIRTIO_BALLOON_PCI(vpci_dev);
  41    DeviceState *vdev = DEVICE(&dev->vdev);
  42
  43    vpci_dev->class_code = PCI_CLASS_OTHERS;
  44    qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
  45}
  46
  47static void virtio_balloon_pci_class_init(ObjectClass *klass, void *data)
  48{
  49    DeviceClass *dc = DEVICE_CLASS(klass);
  50    VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
  51    PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
  52    k->realize = virtio_balloon_pci_realize;
  53    set_bit(DEVICE_CATEGORY_MISC, dc->categories);
  54    pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
  55    pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_BALLOON;
  56    pcidev_k->revision = VIRTIO_PCI_ABI_VERSION;
  57    pcidev_k->class_id = PCI_CLASS_OTHERS;
  58}
  59
  60static void virtio_balloon_pci_instance_init(Object *obj)
  61{
  62    VirtIOBalloonPCI *dev = VIRTIO_BALLOON_PCI(obj);
  63
  64    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
  65                                TYPE_VIRTIO_BALLOON);
  66    object_property_add_alias(obj, "guest-stats", OBJECT(&dev->vdev),
  67                                  "guest-stats");
  68    object_property_add_alias(obj, "guest-stats-polling-interval",
  69                              OBJECT(&dev->vdev),
  70                              "guest-stats-polling-interval");
  71}
  72
  73static const VirtioPCIDeviceTypeInfo virtio_balloon_pci_info = {
  74    .base_name             = TYPE_VIRTIO_BALLOON_PCI,
  75    .generic_name          = "virtio-balloon-pci",
  76    .transitional_name     = "virtio-balloon-pci-transitional",
  77    .non_transitional_name = "virtio-balloon-pci-non-transitional",
  78    .instance_size = sizeof(VirtIOBalloonPCI),
  79    .instance_init = virtio_balloon_pci_instance_init,
  80    .class_init    = virtio_balloon_pci_class_init,
  81};
  82
  83static void virtio_balloon_pci_register(void)
  84{
  85    virtio_pci_types_register(&virtio_balloon_pci_info);
  86}
  87
  88type_init(virtio_balloon_pci_register)
  89