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 const Property vhost_ccw_scsi_properties[] = { 45 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 46 VIRTIO_CCW_MAX_REV), 47 }; 48 49 static void vhost_ccw_scsi_class_init(ObjectClass *klass, void *data) 50 { 51 DeviceClass *dc = DEVICE_CLASS(klass); 52 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 53 54 k->realize = vhost_ccw_scsi_realize; 55 device_class_set_props(dc, vhost_ccw_scsi_properties); 56 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 57 } 58 59 static const TypeInfo vhost_ccw_scsi = { 60 .name = TYPE_VHOST_SCSI_CCW, 61 .parent = TYPE_VIRTIO_CCW_DEVICE, 62 .instance_size = sizeof(VHostSCSICcw), 63 .instance_init = vhost_ccw_scsi_instance_init, 64 .class_init = vhost_ccw_scsi_class_init, 65 }; 66 67 static void virtio_ccw_scsi_register(void) 68 { 69 type_register_static(&vhost_ccw_scsi); 70 } 71 72 type_init(virtio_ccw_scsi_register) 73