mirror of https://gitee.com/openkylin/qemu.git
98 lines
3.2 KiB
C
98 lines
3.2 KiB
C
/*
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* Virtio balloon PCI Bindings
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*
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* Copyright IBM, Corp. 2007
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* Copyright (c) 2009 CodeSourcery
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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* Paul Brook <paul@codesourcery.com>
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*
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* Contributions after 2012-01-13 are licensed under the terms of the
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* GNU GPL, version 2 or (at your option) any later version.
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*/
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#include "qemu/osdep.h"
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#include "virtio-pci.h"
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#include "hw/qdev-properties.h"
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#include "hw/virtio/virtio-balloon.h"
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#include "qapi/error.h"
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#include "qemu/module.h"
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typedef struct VirtIOBalloonPCI VirtIOBalloonPCI;
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/*
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* virtio-balloon-pci: This extends VirtioPCIProxy.
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*/
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#define TYPE_VIRTIO_BALLOON_PCI "virtio-balloon-pci-base"
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#define VIRTIO_BALLOON_PCI(obj) \
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OBJECT_CHECK(VirtIOBalloonPCI, (obj), TYPE_VIRTIO_BALLOON_PCI)
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struct VirtIOBalloonPCI {
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VirtIOPCIProxy parent_obj;
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VirtIOBalloon vdev;
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};
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static Property virtio_balloon_pci_properties[] = {
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DEFINE_PROP_UINT32("class", VirtIOPCIProxy, class_code, 0),
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DEFINE_PROP_END_OF_LIST(),
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};
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static void virtio_balloon_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
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{
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VirtIOBalloonPCI *dev = VIRTIO_BALLOON_PCI(vpci_dev);
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DeviceState *vdev = DEVICE(&dev->vdev);
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if (vpci_dev->class_code != PCI_CLASS_OTHERS &&
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vpci_dev->class_code != PCI_CLASS_MEMORY_RAM) { /* qemu < 1.1 */
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vpci_dev->class_code = PCI_CLASS_OTHERS;
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}
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qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus));
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object_property_set_bool(OBJECT(vdev), true, "realized", errp);
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}
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static void virtio_balloon_pci_class_init(ObjectClass *klass, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(klass);
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VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
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PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
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k->realize = virtio_balloon_pci_realize;
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set_bit(DEVICE_CATEGORY_MISC, dc->categories);
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dc->props = virtio_balloon_pci_properties;
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pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
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pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_BALLOON;
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pcidev_k->revision = VIRTIO_PCI_ABI_VERSION;
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pcidev_k->class_id = PCI_CLASS_OTHERS;
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}
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static void virtio_balloon_pci_instance_init(Object *obj)
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{
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VirtIOBalloonPCI *dev = VIRTIO_BALLOON_PCI(obj);
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virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
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TYPE_VIRTIO_BALLOON);
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object_property_add_alias(obj, "guest-stats", OBJECT(&dev->vdev),
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"guest-stats", &error_abort);
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object_property_add_alias(obj, "guest-stats-polling-interval",
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OBJECT(&dev->vdev),
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"guest-stats-polling-interval", &error_abort);
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}
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static const VirtioPCIDeviceTypeInfo virtio_balloon_pci_info = {
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.base_name = TYPE_VIRTIO_BALLOON_PCI,
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.generic_name = "virtio-balloon-pci",
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.transitional_name = "virtio-balloon-pci-transitional",
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.non_transitional_name = "virtio-balloon-pci-non-transitional",
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.instance_size = sizeof(VirtIOBalloonPCI),
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.instance_init = virtio_balloon_pci_instance_init,
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.class_init = virtio_balloon_pci_class_init,
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};
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static void virtio_balloon_pci_register(void)
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{
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virtio_pci_types_register(&virtio_balloon_pci_info);
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}
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type_init(virtio_balloon_pci_register)
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