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/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 19 static void virtio_ccw_blk_realize(VirtioCcwDevice *ccw_dev, Error **errp) 20 { 21 VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(ccw_dev); 22 DeviceState *vdev = DEVICE(&dev->vdev); 23 24 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 25 object_property_set_bool(OBJECT(vdev), true, "realized", errp); 26 } 27 28 static void virtio_ccw_blk_instance_init(Object *obj) 29 { 30 VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(obj); 31 32 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 33 TYPE_VIRTIO_BLK); 34 object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), 35 "bootindex"); 36 } 37 38 static Property virtio_ccw_blk_properties[] = { 39 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 40 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 41 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 42 VIRTIO_CCW_MAX_REV), 43 DEFINE_PROP_END_OF_LIST(), 44 }; 45 46 static void virtio_ccw_blk_class_init(ObjectClass *klass, void *data) 47 { 48 DeviceClass *dc = DEVICE_CLASS(klass); 49 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 50 51 k->realize = virtio_ccw_blk_realize; 52 device_class_set_props(dc, virtio_ccw_blk_properties); 53 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 54 } 55 56 static const TypeInfo virtio_ccw_blk = { 57 .name = TYPE_VIRTIO_BLK_CCW, 58 .parent = TYPE_VIRTIO_CCW_DEVICE, 59 .instance_size = sizeof(VirtIOBlkCcw), 60 .instance_init = virtio_ccw_blk_instance_init, 61 .class_init = virtio_ccw_blk_class_init, 62 }; 63 64 static void virtio_ccw_blk_register(void) 65 { 66 type_register_static(&virtio_ccw_blk); 67 } 68 69 type_init(virtio_ccw_blk_register) 70