LXR qemu/hw/virtio/vhost-user-i2c-pci.c

   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);
  70