cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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virtio-balloon-pci.c (2862B)

      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)