LXR qemu/hw/s390x/vhost-user-fs-ccw.c

   1/*
   2 * virtio ccw vhost-user-fs implementation
   3 *
   4 * Copyright 2020 IBM Corp.
   5 *
   6 * This work is licensed under the terms of the GNU GPL, version 2 or (at
   7 * your option) any later version. See the COPYING file in the top-level
   8 * directory.
   9 */
  10#include "qemu/osdep.h"
  11#include "hw/qdev-properties.h"
  12#include "qapi/error.h"
  13#include "hw/virtio/vhost-user-fs.h"
  14#include "virtio-ccw.h"
  15
  16typedef struct VHostUserFSCcw {
  17    VirtioCcwDevice parent_obj;
  18    VHostUserFS vdev;
  19} VHostUserFSCcw;
  20
  21#define TYPE_VHOST_USER_FS_CCW "vhost-user-fs-ccw"
  22#define VHOST_USER_FS_CCW(obj) \
  23        OBJECT_CHECK(VHostUserFSCcw, (obj), TYPE_VHOST_USER_FS_CCW)
  24
  25
  26static Property vhost_user_fs_ccw_properties[] = {
  27    DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
  28                    VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
  29    DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
  30                       VIRTIO_CCW_MAX_REV),
  31    DEFINE_PROP_END_OF_LIST(),
  32};
  33
  34static void vhost_user_fs_ccw_realize(VirtioCcwDevice *ccw_dev, Error **errp)
  35{
  36    VHostUserFSCcw *dev = VHOST_USER_FS_CCW(ccw_dev);
  37    DeviceState *vdev = DEVICE(&dev->vdev);
  38
  39    qdev_realize(vdev, BUS(&ccw_dev->bus), errp);
  40}
  41
  42static void vhost_user_fs_ccw_instance_init(Object *obj)
  43{
  44    VHostUserFSCcw *dev = VHOST_USER_FS_CCW(obj);
  45    VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj);
  46
  47    ccw_dev->force_revision_1 = true;
  48    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
  49                                TYPE_VHOST_USER_FS);
  50}
  51
  52static void vhost_user_fs_ccw_class_init(ObjectClass *klass, void *data)
  53{
  54    DeviceClass *dc = DEVICE_CLASS(klass);
  55    VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
  56
  57    k->realize = vhost_user_fs_ccw_realize;
  58    device_class_set_props(dc, vhost_user_fs_ccw_properties);
  59    set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
  60}
  61
  62static const TypeInfo vhost_user_fs_ccw = {
  63    .name          = TYPE_VHOST_USER_FS_CCW,
  64    .parent        = TYPE_VIRTIO_CCW_DEVICE,
  65    .instance_size = sizeof(VHostUserFSCcw),
  66    .instance_init = vhost_user_fs_ccw_instance_init,
  67    .class_init    = vhost_user_fs_ccw_class_init,
  68};
  69
  70static void vhost_user_fs_ccw_register(void)
  71{
  72    type_register_static(&vhost_user_fs_ccw);
  73}
  74
  75type_init(vhost_user_fs_ccw_register)
  76