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14#ifndef HW_VIRTIO_GPU_H
15#define HW_VIRTIO_GPU_H
16
17#include "qemu/queue.h"
18#include "ui/qemu-pixman.h"
19#include "ui/console.h"
20#include "hw/virtio/virtio.h"
21#include "qemu/log.h"
22
23#include "standard-headers/linux/virtio_gpu.h"
24
25#define TYPE_VIRTIO_GPU "virtio-gpu-device"
26#define VIRTIO_GPU(obj) \
27 OBJECT_CHECK(VirtIOGPU, (obj), TYPE_VIRTIO_GPU)
28
29#define VIRTIO_ID_GPU 16
30
31struct virtio_gpu_simple_resource {
32 uint32_t resource_id;
33 uint32_t width;
34 uint32_t height;
35 uint32_t format;
36 uint64_t *addrs;
37 struct iovec *iov;
38 unsigned int iov_cnt;
39 uint32_t scanout_bitmask;
40 pixman_image_t *image;
41 uint64_t hostmem;
42 QTAILQ_ENTRY(virtio_gpu_simple_resource) next;
43};
44
45struct virtio_gpu_scanout {
46 QemuConsole *con;
47 DisplaySurface *ds;
48 uint32_t width, height;
49 int x, y;
50 int invalidate;
51 uint32_t resource_id;
52 struct virtio_gpu_update_cursor cursor;
53 QEMUCursor *current_cursor;
54};
55
56struct virtio_gpu_requested_state {
57 uint32_t width, height;
58 int x, y;
59};
60
61enum virtio_gpu_conf_flags {
62 VIRTIO_GPU_FLAG_VIRGL_ENABLED = 1,
63 VIRTIO_GPU_FLAG_STATS_ENABLED,
64 VIRTIO_GPU_FLAG_EDID_ENABLED,
65};
66
67#define virtio_gpu_virgl_enabled(_cfg) \
68 (_cfg.flags & (1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED))
69#define virtio_gpu_stats_enabled(_cfg) \
70 (_cfg.flags & (1 << VIRTIO_GPU_FLAG_STATS_ENABLED))
71#define virtio_gpu_edid_enabled(_cfg) \
72 (_cfg.flags & (1 << VIRTIO_GPU_FLAG_EDID_ENABLED))
73
74struct virtio_gpu_conf {
75 uint64_t max_hostmem;
76 uint32_t max_outputs;
77 uint32_t flags;
78 uint32_t xres;
79 uint32_t yres;
80};
81
82struct virtio_gpu_ctrl_command {
83 VirtQueueElement elem;
84 VirtQueue *vq;
85 struct virtio_gpu_ctrl_hdr cmd_hdr;
86 uint32_t error;
87 bool finished;
88 QTAILQ_ENTRY(virtio_gpu_ctrl_command) next;
89};
90
91typedef struct VirtIOGPU {
92 VirtIODevice parent_obj;
93
94 QEMUBH *ctrl_bh;
95 QEMUBH *cursor_bh;
96 VirtQueue *ctrl_vq;
97 VirtQueue *cursor_vq;
98
99 int enable;
100
101 QTAILQ_HEAD(, virtio_gpu_simple_resource) reslist;
102 QTAILQ_HEAD(, virtio_gpu_ctrl_command) cmdq;
103 QTAILQ_HEAD(, virtio_gpu_ctrl_command) fenceq;
104
105 struct virtio_gpu_scanout scanout[VIRTIO_GPU_MAX_SCANOUTS];
106 struct virtio_gpu_requested_state req_state[VIRTIO_GPU_MAX_SCANOUTS];
107
108 struct virtio_gpu_conf conf;
109 uint64_t hostmem;
110 int enabled_output_bitmask;
111 struct virtio_gpu_config virtio_config;
112
113 bool use_virgl_renderer;
114 bool renderer_inited;
115 int renderer_blocked;
116 bool renderer_reset;
117 QEMUTimer *fence_poll;
118 QEMUTimer *print_stats;
119
120 uint32_t inflight;
121 struct {
122 uint32_t max_inflight;
123 uint32_t requests;
124 uint32_t req_3d;
125 uint32_t bytes_3d;
126 } stats;
127
128 Error *migration_blocker;
129} VirtIOGPU;
130
131extern const GraphicHwOps virtio_gpu_ops;
132
133
134#define DEFINE_VIRTIO_GPU_PCI_PROPERTIES(_state) \
135 DEFINE_PROP_BIT("ioeventfd", _state, flags, \
136 VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, false), \
137 DEFINE_PROP_UINT32("vectors", _state, nvectors, 3)
138
139#define VIRTIO_GPU_FILL_CMD(out) do { \
140 size_t s; \
141 s = iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num, 0, \
142 &out, sizeof(out)); \
143 if (s != sizeof(out)) { \
144 qemu_log_mask(LOG_GUEST_ERROR, \
145 "%s: command size incorrect %zu vs %zu\n", \
146 __func__, s, sizeof(out)); \
147 return; \
148 } \
149 } while (0)
150
151
152void virtio_gpu_ctrl_response(VirtIOGPU *g,
153 struct virtio_gpu_ctrl_command *cmd,
154 struct virtio_gpu_ctrl_hdr *resp,
155 size_t resp_len);
156void virtio_gpu_ctrl_response_nodata(VirtIOGPU *g,
157 struct virtio_gpu_ctrl_command *cmd,
158 enum virtio_gpu_ctrl_type type);
159void virtio_gpu_get_display_info(VirtIOGPU *g,
160 struct virtio_gpu_ctrl_command *cmd);
161void virtio_gpu_get_edid(VirtIOGPU *g,
162 struct virtio_gpu_ctrl_command *cmd);
163int virtio_gpu_create_mapping_iov(VirtIOGPU *g,
164 struct virtio_gpu_resource_attach_backing *ab,
165 struct virtio_gpu_ctrl_command *cmd,
166 uint64_t **addr, struct iovec **iov);
167void virtio_gpu_cleanup_mapping_iov(VirtIOGPU *g,
168 struct iovec *iov, uint32_t count);
169void virtio_gpu_process_cmdq(VirtIOGPU *g);
170
171
172void virtio_gpu_virgl_process_cmd(VirtIOGPU *g,
173 struct virtio_gpu_ctrl_command *cmd);
174void virtio_gpu_virgl_fence_poll(VirtIOGPU *g);
175void virtio_gpu_virgl_reset(VirtIOGPU *g);
176int virtio_gpu_virgl_init(VirtIOGPU *g);
177int virtio_gpu_virgl_get_num_capsets(VirtIOGPU *g);
178#endif
179
