1 /* 2 * virtio ccw 9p implementation 3 * 4 * Copyright 2012, 2015 IBM Corp. 5 * Author(s): Pierre Morel <pmorel@linux.vnet.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/9pfs/virtio-9p.h" 19 20 #define TYPE_VIRTIO_9P_CCW "virtio-9p-ccw" 21 OBJECT_DECLARE_SIMPLE_TYPE(V9fsCCWState, VIRTIO_9P_CCW) 22 23 struct V9fsCCWState { 24 VirtioCcwDevice parent_obj; 25 V9fsVirtioState vdev; 26 }; 27 28 static void virtio_ccw_9p_realize(VirtioCcwDevice *ccw_dev, Error **errp) 29 { 30 V9fsCCWState *dev = VIRTIO_9P_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_9p_instance_init(Object *obj) 37 { 38 V9fsCCWState *dev = VIRTIO_9P_CCW(obj); 39 40 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 41 TYPE_VIRTIO_9P); 42 } 43 44 static Property virtio_ccw_9p_properties[] = { 45 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 46 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 47 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 48 VIRTIO_CCW_MAX_REV), 49 DEFINE_PROP_END_OF_LIST(), 50 }; 51 52 static void virtio_ccw_9p_class_init(ObjectClass *klass, void *data) 53 { 54 DeviceClass *dc = DEVICE_CLASS(klass); 55 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 56 57 k->realize = virtio_ccw_9p_realize; 58 device_class_set_props(dc, virtio_ccw_9p_properties); 59 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 60 } 61 62 static const TypeInfo virtio_ccw_9p_info = { 63 .name = TYPE_VIRTIO_9P_CCW, 64 .parent = TYPE_VIRTIO_CCW_DEVICE, 65 .instance_size = sizeof(V9fsCCWState), 66 .instance_init = virtio_ccw_9p_instance_init, 67 .class_init = virtio_ccw_9p_class_init, 68 }; 69 70 static void virtio_ccw_9p_register(void) 71 { 72 type_register_static(&virtio_ccw_9p_info); 73 } 74 75 type_init(virtio_ccw_9p_register) 76