xref: /openbmc/qemu/hw/display/vhost-user-vga.c (revision 24ce7aa7)
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 
vhost_user_vga_inst_initfn(Object * obj)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 module_obj(TYPE_VHOST_USER_VGA);
48 module_kconfig(VHOST_USER_VGA);
49 
vhost_user_vga_register_types(void)50 static void vhost_user_vga_register_types(void)
51 {
52     virtio_pci_types_register(&vhost_user_vga_info);
53 }
54 
55 type_init(vhost_user_vga_register_types)
56