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