| 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/core/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 const 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 | }; |
| 51 | |
| 52 | static void virtio_ccw_gpu_class_init(ObjectClass *klass, const void *data) |
| 53 | { |
| 54 | DeviceClass *dc = DEVICE_CLASS(klass); |
| 55 | VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); |
| 56 | |
| 57 | k->realize = virtio_ccw_gpu_realize; |
| 58 | device_class_set_props(dc, virtio_ccw_gpu_properties); |
| 59 | dc->hotpluggable = false; |
| 60 | set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); |
| 61 | } |
| 62 | |
| 63 | static const TypeInfo virtio_ccw_gpu = { |
| 64 | .name = TYPE_VIRTIO_GPU_CCW, |
| 65 | .parent = TYPE_VIRTIO_CCW_DEVICE, |
| 66 | .instance_size = sizeof(VirtIOGPUCcw), |
| 67 | .instance_init = virtio_ccw_gpu_instance_init, |
| 68 | .class_init = virtio_ccw_gpu_class_init, |
| 69 | }; |
| 70 | module_obj(TYPE_VIRTIO_GPU_CCW); |
| 71 | module_kconfig(VIRTIO_CCW); |
| 72 | |
| 73 | static void virtio_ccw_gpu_register(void) |
| 74 | { |
| 75 | if (have_virtio_ccw) { |
| 76 | type_register_static(&virtio_ccw_gpu); |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | type_init(virtio_ccw_gpu_register) |
| 81 | |
| 82 | module_arch("s390x"); |