4 * Copyright Red Hat, Inc. 2013-2014
7 * Dave Airlie <airlied@redhat.com>
8 * Gerd Hoffmann <kraxel@redhat.com>
10 * This work is licensed under the terms of the GNU GPL, version 2.
11 * See the COPYING file in the top-level directory.
14 #ifndef _QEMU_VIRTIO_VGA_H
15 #define _QEMU_VIRTIO_VGA_H
17 #include "qemu/queue.h"
18 #include "ui/qemu-pixman.h"
19 #include "ui/console.h"
20 #include "hw/virtio/virtio.h"
21 #include "hw/pci/pci.h"
23 #include "standard-headers/linux/virtio_gpu.h"
24 #define TYPE_VIRTIO_GPU "virtio-gpu-device"
25 #define VIRTIO_GPU(obj) \
26 OBJECT_CHECK(VirtIOGPU, (obj), TYPE_VIRTIO_GPU)
28 #define VIRTIO_ID_GPU 16
30 #define VIRTIO_GPU_MAX_SCANOUT 4
32 struct virtio_gpu_simple_resource {
39 uint32_t scanout_bitmask;
40 pixman_image_t *image;
41 QTAILQ_ENTRY(virtio_gpu_simple_resource) next;
44 struct virtio_gpu_scanout {
47 uint32_t width, height;
51 QEMUCursor *current_cursor;
54 struct virtio_gpu_requested_state {
55 uint32_t width, height;
59 enum virtio_gpu_conf_flags {
60 VIRTIO_GPU_FLAG_VIRGL_ENABLED = 1,
61 VIRTIO_GPU_FLAG_STATS_ENABLED,
64 #define virtio_gpu_virgl_enabled(_cfg) \
65 (_cfg.flags & (1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED))
66 #define virtio_gpu_stats_enabled(_cfg) \
67 (_cfg.flags & (1 << VIRTIO_GPU_FLAG_STATS_ENABLED))
69 struct virtio_gpu_conf {
74 struct virtio_gpu_ctrl_command {
75 VirtQueueElement elem;
77 struct virtio_gpu_ctrl_hdr cmd_hdr;
81 QTAILQ_ENTRY(virtio_gpu_ctrl_command) next;
84 typedef struct VirtIOGPU {
85 VirtIODevice parent_obj;
97 QTAILQ_HEAD(, virtio_gpu_simple_resource) reslist;
98 QTAILQ_HEAD(, virtio_gpu_ctrl_command) cmdq;
99 QTAILQ_HEAD(, virtio_gpu_ctrl_command) fenceq;
101 struct virtio_gpu_scanout scanout[VIRTIO_GPU_MAX_SCANOUT];
102 struct virtio_gpu_requested_state req_state[VIRTIO_GPU_MAX_SCANOUT];
104 struct virtio_gpu_conf conf;
105 int enabled_output_bitmask;
106 struct virtio_gpu_config virtio_config;
108 bool use_virgl_renderer;
109 bool renderer_inited;
110 bool renderer_blocked;
111 QEMUTimer *fence_poll;
112 QEMUTimer *print_stats;
116 uint32_t max_inflight;
123 extern const GraphicHwOps virtio_gpu_ops;
125 /* to share between PCI and VGA */
126 #define DEFINE_VIRTIO_GPU_PCI_PROPERTIES(_state) \
127 DEFINE_PROP_BIT("ioeventfd", _state, flags, \
128 VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, false), \
129 DEFINE_PROP_UINT32("vectors", _state, nvectors, 3)
131 #define VIRTIO_GPU_FILL_CMD(out) do { \
133 s = iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num, 0, \
134 &out, sizeof(out)); \
135 if (s != sizeof(out)) { \
136 qemu_log_mask(LOG_GUEST_ERROR, \
137 "%s: command size incorrect %zu vs %zu\n", \
138 __func__, s, sizeof(out)); \
144 void virtio_gpu_ctrl_response(VirtIOGPU *g,
145 struct virtio_gpu_ctrl_command *cmd,
146 struct virtio_gpu_ctrl_hdr *resp,
148 void virtio_gpu_ctrl_response_nodata(VirtIOGPU *g,
149 struct virtio_gpu_ctrl_command *cmd,
150 enum virtio_gpu_ctrl_type type);
151 void virtio_gpu_get_display_info(VirtIOGPU *g,
152 struct virtio_gpu_ctrl_command *cmd);
153 int virtio_gpu_create_mapping_iov(struct virtio_gpu_resource_attach_backing *ab,
154 struct virtio_gpu_ctrl_command *cmd,
156 void virtio_gpu_cleanup_mapping_iov(struct iovec *iov, uint32_t count);
157 void virtio_gpu_process_cmdq(VirtIOGPU *g);
159 /* virtio-gpu-3d.c */
160 void virtio_gpu_virgl_process_cmd(VirtIOGPU *g,
161 struct virtio_gpu_ctrl_command *cmd);
162 void virtio_gpu_virgl_fence_poll(VirtIOGPU *g);
163 void virtio_gpu_virgl_reset(VirtIOGPU *g);
164 int virtio_gpu_virgl_init(VirtIOGPU *g);