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) 68