1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/*
* Virtio GPU Device
*
* Copyright Red Hat, Inc. 2013-2014
*
* Authors:
* Dave Airlie <airlied@redhat.com>
* Gerd Hoffmann <kraxel@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "qemu/iov.h"
#include "qemu/module.h"
#include "qemu/error-report.h"
#include "qapi/error.h"
#include "sysemu/sysemu.h"
#include "hw/virtio/virtio.h"
#include "hw/virtio/virtio-gpu.h"
#include "hw/virtio/virtio-gpu-bswap.h"
#include "hw/virtio/virtio-gpu-pixman.h"
#include "hw/qdev-properties.h"
static void virtio_gpu_gl_flushed(VirtIOGPUBase *b)
{
VirtIOGPU *g = VIRTIO_GPU(b);
if (g->renderer_reset) {
g->renderer_reset = false;
virtio_gpu_virgl_reset(g);
}
virtio_gpu_process_cmdq(g);
}
static void virtio_gpu_gl_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq)
{
VirtIOGPU *g = VIRTIO_GPU(vdev);
struct virtio_gpu_ctrl_command *cmd;
if (!virtio_queue_ready(vq)) {
return;
}
if (!g->renderer_inited && g->parent_obj.use_virgl_renderer) {
virtio_gpu_virgl_init(g);
g->renderer_inited = true;
}
cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command));
while (cmd) {
cmd->vq = vq;
cmd->error = 0;
cmd->finished = false;
QTAILQ_INSERT_TAIL(&g->cmdq, cmd, next);
cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command));
}
virtio_gpu_process_cmdq(g);
if (g->parent_obj.use_virgl_renderer) {
virtio_gpu_virgl_fence_poll(g);
}
}
static void virtio_gpu_gl_reset(VirtIODevice *vdev)
{
VirtIOGPU *g = VIRTIO_GPU(vdev);
virtio_gpu_reset(vdev);
if (g->parent_obj.use_virgl_renderer) {
if (g->parent_obj.renderer_blocked) {
g->renderer_reset = true;
} else {
virtio_gpu_virgl_reset(g);
}
g->parent_obj.use_virgl_renderer = false;
}
}
static void virtio_gpu_gl_device_realize(DeviceState *qdev, Error **errp)
{
VirtIOGPU *g = VIRTIO_GPU(qdev);
#if defined(HOST_WORDS_BIGENDIAN)
error_setg(errp, "virgl is not supported on bigendian platforms");
return;
#endif
if (!display_opengl) {
error_setg(errp, "opengl is not available");
return;
}
g->parent_obj.conf.flags |= (1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED);
VIRTIO_GPU_BASE(g)->virtio_config.num_capsets =
virtio_gpu_virgl_get_num_capsets(g);
virtio_gpu_device_realize(qdev, errp);
}
static Property virtio_gpu_gl_properties[] = {
DEFINE_PROP_BIT("stats", VirtIOGPU, parent_obj.conf.flags,
VIRTIO_GPU_FLAG_STATS_ENABLED, false),
DEFINE_PROP_END_OF_LIST(),
};
static void virtio_gpu_gl_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);
VirtIOGPUBaseClass *vbc = VIRTIO_GPU_BASE_CLASS(klass);
VirtIOGPUClass *vgc = VIRTIO_GPU_CLASS(klass);
vbc->gl_flushed = virtio_gpu_gl_flushed;
vgc->handle_ctrl = virtio_gpu_gl_handle_ctrl;
vdc->realize = virtio_gpu_gl_device_realize;
vdc->reset = virtio_gpu_gl_reset;
device_class_set_props(dc, virtio_gpu_gl_properties);
}
static const TypeInfo virtio_gpu_gl_info = {
.name = TYPE_VIRTIO_GPU_GL,
.parent = TYPE_VIRTIO_GPU,
.instance_size = sizeof(VirtIOGPUGL),
.class_init = virtio_gpu_gl_class_init,
};
static void virtio_register_types(void)
{
type_register_static(&virtio_gpu_gl_info);
}
type_init(virtio_register_types)
|
