xref: /openbmc/qemu/hw/display/vhost-user-vga.c (revision 37677d7d)
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                               &error_abort);
38 }
39 
40 static const VirtioPCIDeviceTypeInfo vhost_user_vga_info = {
41     .generic_name  = TYPE_VHOST_USER_VGA,
42     .parent        = TYPE_VIRTIO_VGA_BASE,
43     .instance_size = sizeof(struct VhostUserVGA),
44     .instance_init = vhost_user_vga_inst_initfn,
45 };
46 
47 static void vhost_user_vga_register_types(void)
48 {
49     virtio_pci_types_register(&vhost_user_vga_info);
50 }
51 
52 type_init(vhost_user_vga_register_types)
53