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 #include "hw/virtio/virtio-gpu.h" 18 19 #define TYPE_VIRTIO_GPU_CCW "virtio-gpu-ccw" 20 OBJECT_DECLARE_SIMPLE_TYPE(VirtIOGPUCcw, VIRTIO_GPU_CCW) 21 22 struct VirtIOGPUCcw { 23 VirtioCcwDevice parent_obj; 24 VirtIOGPU vdev; 25 }; 26 27 static void virtio_ccw_gpu_realize(VirtioCcwDevice *ccw_dev, Error **errp) 28 { 29 VirtIOGPUCcw *dev = VIRTIO_GPU_CCW(ccw_dev); 30 DeviceState *vdev = DEVICE(&dev->vdev); 31 32 qdev_realize(vdev, BUS(&ccw_dev->bus), errp); 33 } 34 35 static void virtio_ccw_gpu_instance_init(Object *obj) 36 { 37 VirtIOGPUCcw *dev = VIRTIO_GPU_CCW(obj); 38 VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj); 39 40 ccw_dev->force_revision_1 = true; 41 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 42 TYPE_VIRTIO_GPU); 43 } 44 45 static Property virtio_ccw_gpu_properties[] = { 46 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 47 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 48 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 49 VIRTIO_CCW_MAX_REV), 50 DEFINE_PROP_END_OF_LIST(), 51 }; 52 53 static void virtio_ccw_gpu_class_init(ObjectClass *klass, void *data) 54 { 55 DeviceClass *dc = DEVICE_CLASS(klass); 56 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 57 58 k->realize = virtio_ccw_gpu_realize; 59 device_class_set_props(dc, virtio_ccw_gpu_properties); 60 dc->hotpluggable = false; 61 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); 62 } 63 64 static const TypeInfo virtio_ccw_gpu = { 65 .name = TYPE_VIRTIO_GPU_CCW, 66 .parent = TYPE_VIRTIO_CCW_DEVICE, 67 .instance_size = sizeof(VirtIOGPUCcw), 68 .instance_init = virtio_ccw_gpu_instance_init, 69 .class_init = virtio_ccw_gpu_class_init, 70 }; 71 module_obj(TYPE_VIRTIO_GPU_CCW); 72 module_kconfig(VIRTIO_CCW); 73 74 static void virtio_ccw_gpu_register(void) 75 { 76 if (have_virtio_ccw) { 77 type_register_static(&virtio_ccw_gpu); 78 } 79 } 80 81 type_init(virtio_ccw_gpu_register) 82 83 module_arch("s390x"); 84