hw/display/vhost-user-vga.c

   1 /*
   2  * vhost-user VGA device
   3  *
   4  * Copyright Red Hat, Inc. 2018
   5  *
   6  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   7  * See the COPYING file in the top-level directory.
   8  *
   9  */
  10
  11 #include "qemu/osdep.h"
  12 #include "qapi/error.h"
  13 #include "virtio-vga.h"
  14
  15 #define TYPE_VHOST_USER_VGA "vhost-user-vga"
  16
  17 #define VHOST_USER_VGA(obj)                                \
  18     OBJECT_CHECK(VhostUserVGA, (obj), TYPE_VHOST_USER_VGA)
  19
  20 typedef struct VhostUserVGA {
  21     VirtIOVGABase parent_obj;
  22
  23     VhostUserGPU vdev;
  24 } VhostUserVGA;
  25
  26 static void vhost_user_vga_inst_initfn(Object *obj)
  27 {
  28     VhostUserVGA *dev = VHOST_USER_VGA(obj);
  29
  30     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
  31                                 TYPE_VHOST_USER_GPU);
  32
  33     VIRTIO_VGA_BASE(dev)->vgpu = VIRTIO_GPU_BASE(&dev->vdev);
  34
  35     object_property_add_alias(obj, "chardev",
  36                               OBJECT(&dev->vdev), "chardev");
  37 }
  38
  39 static const VirtioPCIDeviceTypeInfo vhost_user_vga_info = {
  40     .generic_name  = TYPE_VHOST_USER_VGA,
  41     .parent        = TYPE_VIRTIO_VGA_BASE,
  42     .instance_size = sizeof(struct VhostUserVGA),
  43     .instance_init = vhost_user_vga_inst_initfn,
  44 };
  45
  46 static void vhost_user_vga_register_types(void)
  47 {
  48     virtio_pci_types_register(&vhost_user_vga_info);
  49 }
  50
  51 type_init(vhost_user_vga_register_types)