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-9p-pci.c (2700B)

      1/*
      2 * Virtio 9p PCI Bindings
      3 *
      4 * Copyright IBM, Corp. 2010
      5 *
      6 * Authors:
      7 *  Anthony Liguori   <aliguori@us.ibm.com>
      8 *
      9 * This work is licensed under the terms of the GNU GPL, version 2.  See
     10 * the COPYING file in the top-level directory.
     11 *
     12 * Contributions after 2012-01-13 are licensed under the terms of the
     13 * GNU GPL, version 2 or (at your option) any later version.
     14 */
     15
     16#include "qemu/osdep.h"
     17
     18#include "virtio-pci.h"
     19#include "hw/9pfs/virtio-9p.h"
     20#include "hw/qdev-properties.h"
     21#include "qemu/module.h"
     22#include "qom/object.h"
     23
     24/*
     25 * virtio-9p-pci: This extends VirtioPCIProxy.
     26 */
     27
     28#define TYPE_VIRTIO_9P_PCI "virtio-9p-pci-base"
     29typedef struct V9fsPCIState V9fsPCIState;
     30DECLARE_INSTANCE_CHECKER(V9fsPCIState, VIRTIO_9P_PCI,
     31                         TYPE_VIRTIO_9P_PCI)
     32
     33struct V9fsPCIState {
     34    VirtIOPCIProxy parent_obj;
     35    V9fsVirtioState vdev;
     36};
     37
     38static void virtio_9p_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
     39{
     40    V9fsPCIState *dev = VIRTIO_9P_PCI(vpci_dev);
     41    DeviceState *vdev = DEVICE(&dev->vdev);
     42
     43    qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
     44}
     45
     46static Property virtio_9p_pci_properties[] = {
     47    DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
     48                    VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
     49    DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2),
     50    DEFINE_PROP_END_OF_LIST(),
     51};
     52
     53static void virtio_9p_pci_class_init(ObjectClass *klass, void *data)
     54{
     55    DeviceClass *dc = DEVICE_CLASS(klass);
     56    PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
     57    VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
     58
     59    k->realize = virtio_9p_pci_realize;
     60    pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
     61    pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_9P;
     62    pcidev_k->revision = VIRTIO_PCI_ABI_VERSION;
     63    pcidev_k->class_id = 0x2;
     64    set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
     65    device_class_set_props(dc, virtio_9p_pci_properties);
     66}
     67
     68static void virtio_9p_pci_instance_init(Object *obj)
     69{
     70    V9fsPCIState *dev = VIRTIO_9P_PCI(obj);
     71
     72    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
     73                                TYPE_VIRTIO_9P);
     74}
     75
     76static const VirtioPCIDeviceTypeInfo virtio_9p_pci_info = {
     77    .base_name              = TYPE_VIRTIO_9P_PCI,
     78    .generic_name           = "virtio-9p-pci",
     79    .transitional_name      = "virtio-9p-pci-transitional",
     80    .non_transitional_name  = "virtio-9p-pci-non-transitional",
     81    .instance_size = sizeof(V9fsPCIState),
     82    .instance_init = virtio_9p_pci_instance_init,
     83    .class_init    = virtio_9p_pci_class_init,
     84};
     85
     86static void virtio_9p_pci_register(void)
     87{
     88    virtio_pci_types_register(&virtio_9p_pci_info);
     89}
     90
     91type_init(virtio_9p_pci_register)