1 /* 2 * virtio ccw gpu implementation 3 * 4 * Copyright 2012, 2015 IBM Corp. 5 * 6 * This work is licensed under the terms of the GNU GPL, version 2 or (at 7 * your option) any later version. See the COPYING file in the top-level 8 * directory. 9 */ 10 11 #include "qemu/osdep.h" 12 #include "hw/qdev-properties.h" 13 #include "hw/virtio/virtio.h" 14 #include "qapi/error.h" 15 #include "qemu/module.h" 16 #include "virtio-ccw.h" 17 18 static void virtio_ccw_gpu_realize(VirtioCcwDevice *ccw_dev, Error **errp) 19 { 20 VirtIOGPUCcw *dev = VIRTIO_GPU_CCW(ccw_dev); 21 DeviceState *vdev = DEVICE(&dev->vdev); 22 23 qdev_realize(vdev, BUS(&ccw_dev->bus), errp); 24 } 25 26 static void virtio_ccw_gpu_instance_init(Object *obj) 27 { 28 VirtIOGPUCcw *dev = VIRTIO_GPU_CCW(obj); 29 VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj); 30 31 ccw_dev->force_revision_1 = true; 32 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 33 TYPE_VIRTIO_GPU); 34 } 35 36 static Property virtio_ccw_gpu_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_gpu_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_gpu_realize; 50 device_class_set_props(dc, virtio_ccw_gpu_properties); 51 dc->hotpluggable = false; 52 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); 53 } 54 55 static const TypeInfo virtio_ccw_gpu = { 56 .name = TYPE_VIRTIO_GPU_CCW, 57 .parent = TYPE_VIRTIO_CCW_DEVICE, 58 .instance_size = sizeof(VirtIOGPUCcw), 59 .instance_init = virtio_ccw_gpu_instance_init, 60 .class_init = virtio_ccw_gpu_class_init, 61 }; 62 module_obj(TYPE_VIRTIO_GPU_CCW); 63 64 static void virtio_ccw_gpu_register(void) 65 { 66 if (have_virtio_ccw) { 67 type_register_static(&virtio_ccw_gpu); 68 } 69 } 70 71 type_init(virtio_ccw_gpu_register) 72 73 module_arch("s390x"); 74