hw/s390x/vhost-scsi-ccw.c

   1 /*
   2  * vhost ccw scsi 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/qdev-properties.h"
  14 #include "hw/virtio/virtio.h"
  15 #include "qapi/error.h"
  16 #include "qemu/module.h"
  17 #include "virtio-ccw.h"
  18 #include "hw/virtio/vhost-scsi.h"
  19
  20 #define TYPE_VHOST_SCSI_CCW "vhost-scsi-ccw"
  21 OBJECT_DECLARE_SIMPLE_TYPE(VHostSCSICcw, VHOST_SCSI_CCW)
  22
  23 struct VHostSCSICcw {
  24     VirtioCcwDevice parent_obj;
  25     VHostSCSI vdev;
  26 };
  27
  28 static void vhost_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp)
  29 {
  30     VHostSCSICcw *dev = VHOST_SCSI_CCW(ccw_dev);
  31     DeviceState *vdev = DEVICE(&dev->vdev);
  32
  33     qdev_realize(vdev, BUS(&ccw_dev->bus), errp);
  34 }
  35
  36 static void vhost_ccw_scsi_instance_init(Object *obj)
  37 {
  38     VHostSCSICcw *dev = VHOST_SCSI_CCW(obj);
  39
  40     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
  41                                 TYPE_VHOST_SCSI);
  42 }
  43
  44 static Property vhost_ccw_scsi_properties[] = {
  45     DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
  46                        VIRTIO_CCW_MAX_REV),
  47     DEFINE_PROP_END_OF_LIST(),
  48 };
  49
  50 static void vhost_ccw_scsi_class_init(ObjectClass *klass, void *data)
  51 {
  52     DeviceClass *dc = DEVICE_CLASS(klass);
  53     VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
  54
  55     k->realize = vhost_ccw_scsi_realize;
  56     device_class_set_props(dc, vhost_ccw_scsi_properties);
  57     set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
  58 }
  59
  60 static const TypeInfo vhost_ccw_scsi = {
  61     .name          = TYPE_VHOST_SCSI_CCW,
  62     .parent        = TYPE_VIRTIO_CCW_DEVICE,
  63     .instance_size = sizeof(VHostSCSICcw),
  64     .instance_init = vhost_ccw_scsi_instance_init,
  65     .class_init    = vhost_ccw_scsi_class_init,
  66 };
  67
  68 static void virtio_ccw_scsi_register(void)
  69 {
  70     type_register_static(&vhost_ccw_scsi);
  71 }
  72
  73 type_init(virtio_ccw_scsi_register)