2 * Virtio balloon PCI Bindings
4 * Copyright IBM, Corp. 2007
5 * Copyright (c) 2009 CodeSourcery
8 * Anthony Liguori <aliguori@us.ibm.com>
9 * Paul Brook <paul@codesourcery.com>
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.
15 #include "qemu/osdep.h"
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"
23 typedef struct VirtIOBalloonPCI VirtIOBalloonPCI
;
26 * virtio-balloon-pci: This extends VirtioPCIProxy.
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)
32 struct VirtIOBalloonPCI
{
33 VirtIOPCIProxy parent_obj
;
36 static Property virtio_balloon_pci_properties
[] = {
37 DEFINE_PROP_UINT32("class", VirtIOPCIProxy
, class_code
, 0),
38 DEFINE_PROP_END_OF_LIST(),
41 static void virtio_balloon_pci_realize(VirtIOPCIProxy
*vpci_dev
, Error
**errp
)
43 VirtIOBalloonPCI
*dev
= VIRTIO_BALLOON_PCI(vpci_dev
);
44 DeviceState
*vdev
= DEVICE(&dev
->vdev
);
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
;
51 qdev_set_parent_bus(vdev
, BUS(&vpci_dev
->bus
));
52 object_property_set_bool(OBJECT(vdev
), true, "realized", errp
);
55 static void virtio_balloon_pci_class_init(ObjectClass
*klass
, void *data
)
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 device_class_set_props(dc
, 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
;
69 static void virtio_balloon_pci_instance_init(Object
*obj
)
71 VirtIOBalloonPCI
*dev
= VIRTIO_BALLOON_PCI(obj
);
73 virtio_instance_init_common(obj
, &dev
->vdev
, sizeof(dev
->vdev
),
75 object_property_add_alias(obj
, "guest-stats", OBJECT(&dev
->vdev
),
77 object_property_add_alias(obj
, "guest-stats-polling-interval",
79 "guest-stats-polling-interval");
82 static 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
,
92 static void virtio_balloon_pci_register(void)
94 virtio_pci_types_register(&virtio_balloon_pci_info
);
97 type_init(virtio_balloon_pci_register
)