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
23typedef struct VirtIOBalloonPCI VirtIOBalloonPCI;
24
25/*
26 * virtio-balloon-pci: This extends VirtioPCIProxy.
27 */
28#define TYPE_VIRTIO_BALLOON_PCI "virtio-balloon-pci-base"
29#define VIRTIO_BALLOON_PCI(obj) \
30 OBJECT_CHECK(VirtIOBalloonPCI, (obj), TYPE_VIRTIO_BALLOON_PCI)
31
32struct VirtIOBalloonPCI {
33 VirtIOPCIProxy parent_obj;
34 VirtIOBalloon vdev;
35};
36static Property virtio_balloon_pci_properties[] = {
37 DEFINE_PROP_UINT32("class", VirtIOPCIProxy, class_code, 0),
38 DEFINE_PROP_END_OF_LIST(),
39};
40
41static void virtio_balloon_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
42{
43 VirtIOBalloonPCI *dev = VIRTIO_BALLOON_PCI(vpci_dev);
44 DeviceState *vdev = DEVICE(&dev->vdev);
45
46 if (vpci_dev->class_code != PCI_CLASS_OTHERS &&
47 vpci_dev->class_code != PCI_CLASS_MEMORY_RAM) { /* qemu < 1.1 */
48 vpci_dev->class_code = PCI_CLASS_OTHERS;
49 }
50
51 qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus));
52 object_property_set_bool(OBJECT(vdev), true, "realized", errp);
53}
54
55static void virtio_balloon_pci_class_init(ObjectClass *klass, void *data)
56{
57 DeviceClass *dc = DEVICE_CLASS(klass);
58 VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
59 PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
60 k->realize = virtio_balloon_pci_realize;
61 set_bit(DEVICE_CATEGORY_MISC, dc->categories);
62 dc->props = virtio_balloon_pci_properties;
63 pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
64 pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_BALLOON;
65 pcidev_k->revision = VIRTIO_PCI_ABI_VERSION;
66 pcidev_k->class_id = PCI_CLASS_OTHERS;
67}
68
69static void virtio_balloon_pci_instance_init(Object *obj)
70{
71 VirtIOBalloonPCI *dev = VIRTIO_BALLOON_PCI(obj);
72
73 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
74 TYPE_VIRTIO_BALLOON);
75 object_property_add_alias(obj, "guest-stats", OBJECT(&dev->vdev),
76 "guest-stats", &error_abort);
77 object_property_add_alias(obj, "guest-stats-polling-interval",
78 OBJECT(&dev->vdev),
79 "guest-stats-polling-interval", &error_abort);
80}
81
82static const VirtioPCIDeviceTypeInfo virtio_balloon_pci_info = {
83 .base_name = TYPE_VIRTIO_BALLOON_PCI,
84 .generic_name = "virtio-balloon-pci",
85 .transitional_name = "virtio-balloon-pci-transitional",
86 .non_transitional_name = "virtio-balloon-pci-non-transitional",
87 .instance_size = sizeof(VirtIOBalloonPCI),
88 .instance_init = virtio_balloon_pci_instance_init,
89 .class_init = virtio_balloon_pci_class_init,
90};
91
92static void virtio_balloon_pci_register(void)
93{
94 virtio_pci_types_register(&virtio_balloon_pci_info);
95}
96
97type_init(virtio_balloon_pci_register)
98