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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vhost-user-i2c-pci.c (2087B)

      1/*
      2 * Vhost-user i2c virtio device PCI glue
      3 *
      4 * Copyright (c) 2021 Viresh Kumar <viresh.kumar@linaro.org>
      5 *
      6 * SPDX-License-Identifier: GPL-2.0-or-later
      7 */
      8
      9#include "qemu/osdep.h"
     10#include "hw/qdev-properties.h"
     11#include "hw/virtio/vhost-user-i2c.h"
     12#include "virtio-pci.h"
     13
     14struct VHostUserI2CPCI {
     15    VirtIOPCIProxy parent_obj;
     16    VHostUserI2C vdev;
     17};
     18
     19typedef struct VHostUserI2CPCI VHostUserI2CPCI;
     20
     21#define TYPE_VHOST_USER_I2C_PCI "vhost-user-i2c-pci-base"
     22
     23DECLARE_INSTANCE_CHECKER(VHostUserI2CPCI, VHOST_USER_I2C_PCI,
     24                         TYPE_VHOST_USER_I2C_PCI)
     25
     26static void vhost_user_i2c_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
     27{
     28    VHostUserI2CPCI *dev = VHOST_USER_I2C_PCI(vpci_dev);
     29    DeviceState *vdev = DEVICE(&dev->vdev);
     30
     31    vpci_dev->nvectors = 1;
     32    qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
     33}
     34
     35static void vhost_user_i2c_pci_class_init(ObjectClass *klass, void *data)
     36{
     37    DeviceClass *dc = DEVICE_CLASS(klass);
     38    VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
     39    PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
     40    k->realize = vhost_user_i2c_pci_realize;
     41    set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
     42    pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
     43    pcidev_k->device_id = 0; /* Set by virtio-pci based on virtio id */
     44    pcidev_k->revision = 0x00;
     45    pcidev_k->class_id = PCI_CLASS_COMMUNICATION_OTHER;
     46}
     47
     48static void vhost_user_i2c_pci_instance_init(Object *obj)
     49{
     50    VHostUserI2CPCI *dev = VHOST_USER_I2C_PCI(obj);
     51
     52    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
     53                                TYPE_VHOST_USER_I2C);
     54}
     55
     56static const VirtioPCIDeviceTypeInfo vhost_user_i2c_pci_info = {
     57    .base_name = TYPE_VHOST_USER_I2C_PCI,
     58    .non_transitional_name = "vhost-user-i2c-pci",
     59    .instance_size = sizeof(VHostUserI2CPCI),
     60    .instance_init = vhost_user_i2c_pci_instance_init,
     61    .class_init = vhost_user_i2c_pci_class_init,
     62};
     63
     64static void vhost_user_i2c_pci_register(void)
     65{
     66    virtio_pci_types_register(&vhost_user_i2c_pci_info);
     67}
     68
     69type_init(vhost_user_i2c_pci_register);