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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};
65
66#define virtio_gpu_virgl_enabled(_cfg) \
67 (_cfg.flags & (1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED))
68#define virtio_gpu_stats_enabled(_cfg) \
69 (_cfg.flags & (1 << VIRTIO_GPU_FLAG_STATS_ENABLED))
70
71struct virtio_gpu_conf {
72 uint64_t max_hostmem;
73 uint32_t max_outputs;
74 uint32_t flags;
75 uint32_t xres;
76 uint32_t yres;
77};
78
79struct virtio_gpu_ctrl_command {
80 VirtQueueElement elem;
81 VirtQueue *vq;
82 struct virtio_gpu_ctrl_hdr cmd_hdr;
83 uint32_t error;
84 bool waiting;
85 bool finished;
86 QTAILQ_ENTRY(virtio_gpu_ctrl_command) next;
87};
88
89typedef struct VirtIOGPU {
90 VirtIODevice parent_obj;
91
92 QEMUBH *ctrl_bh;
93 QEMUBH *cursor_bh;
94 VirtQueue *ctrl_vq;
95 VirtQueue *cursor_vq;
96
97 int enable;
98
99 int config_size;
100 DeviceState *qdev;
101
102 QTAILQ_HEAD(, virtio_gpu_simple_resource) reslist;
103 QTAILQ_HEAD(, virtio_gpu_ctrl_command) cmdq;
104 QTAILQ_HEAD(, virtio_gpu_ctrl_command) fenceq;
105
106 struct virtio_gpu_scanout scanout[VIRTIO_GPU_MAX_SCANOUTS];
107 struct virtio_gpu_requested_state req_state[VIRTIO_GPU_MAX_SCANOUTS];
108
109 struct virtio_gpu_conf conf;
110 uint64_t hostmem;
111 int enabled_output_bitmask;
112 struct virtio_gpu_config virtio_config;
113
114 bool use_virgl_renderer;
115 bool renderer_inited;
116 int renderer_blocked;
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 void (*disable_scanout)(struct VirtIOGPU *g, int scanout_id);
129 Error *migration_blocker;
130} VirtIOGPU;
131
132extern const GraphicHwOps virtio_gpu_ops;
133
134
135#define DEFINE_VIRTIO_GPU_PCI_PROPERTIES(_state) \
136 DEFINE_PROP_BIT("ioeventfd", _state, flags, \
137 VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, false), \
138 DEFINE_PROP_UINT32("vectors", _state, nvectors, 3)
139
140#define VIRTIO_GPU_FILL_CMD(out) do { \
141 size_t s; \
142 s = iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num, 0, \
143 &out, sizeof(out)); \
144 if (s != sizeof(out)) { \
145 qemu_log_mask(LOG_GUEST_ERROR, \
146 "%s: command size incorrect %zu vs %zu\n", \
147 __func__, s, sizeof(out)); \
148 return; \
149 } \
150 } while (0)
151
152
153void virtio_gpu_ctrl_response(VirtIOGPU *g,
154 struct virtio_gpu_ctrl_command *cmd,
155 struct virtio_gpu_ctrl_hdr *resp,
156 size_t resp_len);
157void virtio_gpu_ctrl_response_nodata(VirtIOGPU *g,
158 struct virtio_gpu_ctrl_command *cmd,
159 enum virtio_gpu_ctrl_type type);
160void virtio_gpu_get_display_info(VirtIOGPU *g,
161 struct virtio_gpu_ctrl_command *cmd);
162int virtio_gpu_create_mapping_iov(struct virtio_gpu_resource_attach_backing *ab,
163 struct virtio_gpu_ctrl_command *cmd,
164 uint64_t **addr, struct iovec **iov);
165void virtio_gpu_cleanup_mapping_iov(struct iovec *iov, uint32_t count);
166void virtio_gpu_process_cmdq(VirtIOGPU *g);
167
168
169void virtio_gpu_virgl_process_cmd(VirtIOGPU *g,
170 struct virtio_gpu_ctrl_command *cmd);
171void virtio_gpu_virgl_fence_poll(VirtIOGPU *g);
172void virtio_gpu_virgl_reset(VirtIOGPU *g);
173void virtio_gpu_gl_block(void *opaque, bool block);
174int virtio_gpu_virgl_init(VirtIOGPU *g);
175int virtio_gpu_virgl_get_num_capsets(VirtIOGPU *g);
176#endif
177
