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 #include "hw/virtio/virtio-blk.h" 19 20 #define TYPE_VIRTIO_BLK_CCW "virtio-blk-ccw" 21 OBJECT_DECLARE_SIMPLE_TYPE(VirtIOBlkCcw, VIRTIO_BLK_CCW) 22 23 struct VirtIOBlkCcw { 24 VirtioCcwDevice parent_obj; 25 VirtIOBlock vdev; 26 }; 27 28 static void virtio_ccw_blk_realize(VirtioCcwDevice *ccw_dev, Error **errp) 29 { 30 VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(ccw_dev); 31 DeviceState *vdev = DEVICE(&dev->vdev); 32 33 qdev_realize(vdev, BUS(&ccw_dev->bus), errp); 34 } 35 36 static void virtio_ccw_blk_instance_init(Object *obj) 37 { 38 VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(obj); 39 40 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 41 TYPE_VIRTIO_BLK); 42 object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), 43 "bootindex"); 44 } 45 46 static Property virtio_ccw_blk_properties[] = { 47 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 48 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 49 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 50 VIRTIO_CCW_MAX_REV), 51 DEFINE_PROP_CCW_LOADPARM("loadparm", CcwDevice, loadparm), 52 DEFINE_PROP_END_OF_LIST(), 53 }; 54 55 static void virtio_ccw_blk_class_init(ObjectClass *klass, void *data) 56 { 57 DeviceClass *dc = DEVICE_CLASS(klass); 58 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 59 60 k->realize = virtio_ccw_blk_realize; 61 device_class_set_props(dc, virtio_ccw_blk_properties); 62 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 63 } 64 65 static const TypeInfo virtio_ccw_blk = { 66 .name = TYPE_VIRTIO_BLK_CCW, 67 .parent = TYPE_VIRTIO_CCW_DEVICE, 68 .instance_size = sizeof(VirtIOBlkCcw), 69 .instance_init = virtio_ccw_blk_instance_init, 70 .class_init = virtio_ccw_blk_class_init, 71 }; 72 73 static void virtio_ccw_blk_register(void) 74 { 75 type_register_static(&virtio_ccw_blk); 76 } 77 78 type_init(virtio_ccw_blk_register) 79