hw/s390x/virtio-ccw-blk.c

   1 /*
   2  * virtio ccw block implementation
   3  *
   4  * Copyright 2012, 2015 IBM Corp.
   5  * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
   6  *
   7  * This work is licensed under the terms of the GNU GPL, version 2 or (at
   8  * your option) any later version. See the COPYING file in the top-level
   9  * directory.
  10  */
  11
  12 #include "qemu/osdep.h"
  13 #include "hw/virtio/virtio.h"
  14 #include "qapi/error.h"
  15 #include "virtio-ccw.h"
  16
  17 static void virtio_ccw_blk_realize(VirtioCcwDevice *ccw_dev, Error **errp)
  18 {
  19     VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(ccw_dev);
  20     DeviceState *vdev = DEVICE(&dev->vdev);
  21
  22     qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
  23     object_property_set_bool(OBJECT(vdev), true, "realized", errp);
  24 }
  25
  26 static void virtio_ccw_blk_instance_init(Object *obj)
  27 {
  28     VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(obj);
  29
  30     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
  31                                 TYPE_VIRTIO_BLK);
  32     object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
  33                               "bootindex", &error_abort);
  34 }
  35
  36 static Property virtio_ccw_blk_properties[] = {
  37     DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
  38                     VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
  39     DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
  40                        VIRTIO_CCW_MAX_REV),
  41     DEFINE_PROP_END_OF_LIST(),
  42 };
  43
  44 static void virtio_ccw_blk_class_init(ObjectClass *klass, void *data)
  45 {
  46     DeviceClass *dc = DEVICE_CLASS(klass);
  47     VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
  48
  49     k->realize = virtio_ccw_blk_realize;
  50     dc->props = virtio_ccw_blk_properties;
  51     set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
  52 }
  53
  54 static const TypeInfo virtio_ccw_blk = {
  55     .name          = TYPE_VIRTIO_BLK_CCW,
  56     .parent        = TYPE_VIRTIO_CCW_DEVICE,
  57     .instance_size = sizeof(VirtIOBlkCcw),
  58     .instance_init = virtio_ccw_blk_instance_init,
  59     .class_init    = virtio_ccw_blk_class_init,
  60 };
  61
  62 static void virtio_ccw_blk_register(void)
  63 {
  64     type_register_static(&virtio_ccw_blk);
  65 }
  66
  67 type_init(virtio_ccw_blk_register)