qemu

FORK: QEMU emulator
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virtio-ccw-gpu.c (2353B)

      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");