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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
/*
* 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.
* See the COPYING file in the top-level directory.
*/
#ifndef HW_VIRTIO_GPU_H
#define HW_VIRTIO_GPU_H
#include "qemu/queue.h"
#include "ui/qemu-pixman.h"
#include "ui/console.h"
#include "hw/virtio/virtio.h"
#include "hw/pci/pci.h"
#include "standard-headers/linux/virtio_gpu.h"
#define TYPE_VIRTIO_GPU "virtio-gpu-device"
#define VIRTIO_GPU(obj) \
OBJECT_CHECK(VirtIOGPU, (obj), TYPE_VIRTIO_GPU)
#define VIRTIO_ID_GPU 16
struct virtio_gpu_simple_resource {
uint32_t resource_id;
uint32_t width;
uint32_t height;
uint32_t format;
uint64_t *addrs;
struct iovec *iov;
unsigned int iov_cnt;
uint32_t scanout_bitmask;
pixman_image_t *image;
QTAILQ_ENTRY(virtio_gpu_simple_resource) next;
};
struct virtio_gpu_scanout {
QemuConsole *con;
DisplaySurface *ds;
uint32_t width, height;
int x, y;
int invalidate;
uint32_t resource_id;
struct virtio_gpu_update_cursor cursor;
QEMUCursor *current_cursor;
};
struct virtio_gpu_requested_state {
uint32_t width, height;
int x, y;
};
enum virtio_gpu_conf_flags {
VIRTIO_GPU_FLAG_VIRGL_ENABLED = 1,
VIRTIO_GPU_FLAG_STATS_ENABLED,
};
#define virtio_gpu_virgl_enabled(_cfg) \
(_cfg.flags & (1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED))
#define virtio_gpu_stats_enabled(_cfg) \
(_cfg.flags & (1 << VIRTIO_GPU_FLAG_STATS_ENABLED))
struct virtio_gpu_conf {
uint32_t max_outputs;
uint32_t flags;
};
struct virtio_gpu_ctrl_command {
VirtQueueElement elem;
VirtQueue *vq;
struct virtio_gpu_ctrl_hdr cmd_hdr;
uint32_t error;
bool waiting;
bool finished;
QTAILQ_ENTRY(virtio_gpu_ctrl_command) next;
};
typedef struct VirtIOGPU {
VirtIODevice parent_obj;
QEMUBH *ctrl_bh;
QEMUBH *cursor_bh;
VirtQueue *ctrl_vq;
VirtQueue *cursor_vq;
int enable;
int config_size;
DeviceState *qdev;
QTAILQ_HEAD(, virtio_gpu_simple_resource) reslist;
QTAILQ_HEAD(, virtio_gpu_ctrl_command) cmdq;
QTAILQ_HEAD(, virtio_gpu_ctrl_command) fenceq;
struct virtio_gpu_scanout scanout[VIRTIO_GPU_MAX_SCANOUTS];
struct virtio_gpu_requested_state req_state[VIRTIO_GPU_MAX_SCANOUTS];
struct virtio_gpu_conf conf;
int enabled_output_bitmask;
struct virtio_gpu_config virtio_config;
bool use_virgl_renderer;
bool renderer_inited;
int renderer_blocked;
QEMUTimer *fence_poll;
QEMUTimer *print_stats;
uint32_t inflight;
struct {
uint32_t max_inflight;
uint32_t requests;
uint32_t req_3d;
uint32_t bytes_3d;
} stats;
Error *migration_blocker;
} VirtIOGPU;
extern const GraphicHwOps virtio_gpu_ops;
/* to share between PCI and VGA */
#define DEFINE_VIRTIO_GPU_PCI_PROPERTIES(_state) \
DEFINE_PROP_BIT("ioeventfd", _state, flags, \
VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, false), \
DEFINE_PROP_UINT32("vectors", _state, nvectors, 3)
#define VIRTIO_GPU_FILL_CMD(out) do { \
size_t s; \
s = iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num, 0, \
&out, sizeof(out)); \
if (s != sizeof(out)) { \
qemu_log_mask(LOG_GUEST_ERROR, \
"%s: command size incorrect %zu vs %zu\n", \
__func__, s, sizeof(out)); \
return; \
} \
} while (0)
/* virtio-gpu.c */
void virtio_gpu_ctrl_response(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd,
struct virtio_gpu_ctrl_hdr *resp,
size_t resp_len);
void virtio_gpu_ctrl_response_nodata(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd,
enum virtio_gpu_ctrl_type type);
void virtio_gpu_get_display_info(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd);
int virtio_gpu_create_mapping_iov(struct virtio_gpu_resource_attach_backing *ab,
struct virtio_gpu_ctrl_command *cmd,
uint64_t **addr, struct iovec **iov);
void virtio_gpu_cleanup_mapping_iov(struct iovec *iov, uint32_t count);
void virtio_gpu_process_cmdq(VirtIOGPU *g);
/* virtio-gpu-3d.c */
void virtio_gpu_virgl_process_cmd(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd);
void virtio_gpu_virgl_fence_poll(VirtIOGPU *g);
void virtio_gpu_virgl_reset(VirtIOGPU *g);
int virtio_gpu_virgl_init(VirtIOGPU *g);
#endif
|
