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 #include "qom/object.h"
  15
  16 #define TYPE_VHOST_USER_VGA "vhost-user-vga"
  17
  18 typedef struct VhostUserVGA VhostUserVGA;
  19 DECLARE_INSTANCE_CHECKER(VhostUserVGA, VHOST_USER_VGA,
  20                          TYPE_VHOST_USER_VGA)
  21
  22 struct VhostUserVGA {
  23     VirtIOVGABase parent_obj;
  24
  25     VhostUserGPU vdev;
  26 };
  27
  28 static void vhost_user_vga_inst_initfn(Object *obj)
  29 {
  30     VhostUserVGA *dev = VHOST_USER_VGA(obj);
  31
  32     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
  33                                 TYPE_VHOST_USER_GPU);
  34
  35     VIRTIO_VGA_BASE(dev)->vgpu = VIRTIO_GPU_BASE(&dev->vdev);
  36
  37     object_property_add_alias(obj, "chardev",
  38                               OBJECT(&dev->vdev), "chardev");
  39 }
  40
  41 static const VirtioPCIDeviceTypeInfo vhost_user_vga_info = {
  42     .generic_name  = TYPE_VHOST_USER_VGA,
  43     .parent        = TYPE_VIRTIO_VGA_BASE,
  44     .instance_size = sizeof(VhostUserVGA),
  45     .instance_init = vhost_user_vga_inst_initfn,
  46 };
  47
  48 static void vhost_user_vga_register_types(void)
  49 {
  50     virtio_pci_types_register(&vhost_user_vga_info);
  51 }
  52
  53 type_init(vhost_user_vga_register_types)