4 * Copyright Red Hat, Inc. 2013-2014
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38 #ifndef VIRTIO_GPU_HW_H
39 #define VIRTIO_GPU_HW_H
41 #include <linux/types.h>
43 enum virtio_gpu_ctrl_type {
44 VIRTIO_GPU_UNDEFINED = 0,
47 VIRTIO_GPU_CMD_GET_DISPLAY_INFO = 0x0100,
48 VIRTIO_GPU_CMD_RESOURCE_CREATE_2D,
49 VIRTIO_GPU_CMD_RESOURCE_UNREF,
50 VIRTIO_GPU_CMD_SET_SCANOUT,
51 VIRTIO_GPU_CMD_RESOURCE_FLUSH,
52 VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D,
53 VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING,
54 VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING,
57 VIRTIO_GPU_CMD_UPDATE_CURSOR = 0x0300,
58 VIRTIO_GPU_CMD_MOVE_CURSOR,
60 /* success responses */
61 VIRTIO_GPU_RESP_OK_NODATA = 0x1100,
62 VIRTIO_GPU_RESP_OK_DISPLAY_INFO,
65 VIRTIO_GPU_RESP_ERR_UNSPEC = 0x1200,
66 VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY,
67 VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID,
68 VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID,
69 VIRTIO_GPU_RESP_ERR_INVALID_CONTEXT_ID,
70 VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER,
73 #define VIRTIO_GPU_FLAG_FENCE (1 << 0)
75 struct virtio_gpu_ctrl_hdr {
83 /* data passed in the cursor vq */
85 struct virtio_gpu_cursor_pos {
92 /* VIRTIO_GPU_CMD_UPDATE_CURSOR, VIRTIO_GPU_CMD_MOVE_CURSOR */
93 struct virtio_gpu_update_cursor {
94 struct virtio_gpu_ctrl_hdr hdr;
95 struct virtio_gpu_cursor_pos pos; /* update & move */
96 __le32 resource_id; /* update only */
97 __le32 hot_x; /* update only */
98 __le32 hot_y; /* update only */
102 /* data passed in the control vq, 2d related */
104 struct virtio_gpu_rect {
111 /* VIRTIO_GPU_CMD_RESOURCE_UNREF */
112 struct virtio_gpu_resource_unref {
113 struct virtio_gpu_ctrl_hdr hdr;
118 /* VIRTIO_GPU_CMD_RESOURCE_CREATE_2D: create a 2d resource with a format */
119 struct virtio_gpu_resource_create_2d {
120 struct virtio_gpu_ctrl_hdr hdr;
127 /* VIRTIO_GPU_CMD_SET_SCANOUT */
128 struct virtio_gpu_set_scanout {
129 struct virtio_gpu_ctrl_hdr hdr;
130 struct virtio_gpu_rect r;
135 /* VIRTIO_GPU_CMD_RESOURCE_FLUSH */
136 struct virtio_gpu_resource_flush {
137 struct virtio_gpu_ctrl_hdr hdr;
138 struct virtio_gpu_rect r;
143 /* VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D: simple transfer to_host */
144 struct virtio_gpu_transfer_to_host_2d {
145 struct virtio_gpu_ctrl_hdr hdr;
146 struct virtio_gpu_rect r;
152 struct virtio_gpu_mem_entry {
158 /* VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING */
159 struct virtio_gpu_resource_attach_backing {
160 struct virtio_gpu_ctrl_hdr hdr;
165 /* VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING */
166 struct virtio_gpu_resource_detach_backing {
167 struct virtio_gpu_ctrl_hdr hdr;
172 /* VIRTIO_GPU_RESP_OK_DISPLAY_INFO */
173 #define VIRTIO_GPU_MAX_SCANOUTS 16
174 struct virtio_gpu_resp_display_info {
175 struct virtio_gpu_ctrl_hdr hdr;
176 struct virtio_gpu_display_one {
177 struct virtio_gpu_rect r;
180 } pmodes[VIRTIO_GPU_MAX_SCANOUTS];
183 #define VIRTIO_GPU_EVENT_DISPLAY (1 << 0)
185 struct virtio_gpu_config {
192 /* simple formats for fbcon/X use */
193 enum virtio_gpu_formats {
194 VIRTIO_GPU_FORMAT_B8G8R8A8_UNORM = 1,
195 VIRTIO_GPU_FORMAT_B8G8R8X8_UNORM = 2,
196 VIRTIO_GPU_FORMAT_A8R8G8B8_UNORM = 3,
197 VIRTIO_GPU_FORMAT_X8R8G8B8_UNORM = 4,
199 VIRTIO_GPU_FORMAT_R8G8B8A8_UNORM = 67,
200 VIRTIO_GPU_FORMAT_X8B8G8R8_UNORM = 68,
202 VIRTIO_GPU_FORMAT_A8B8G8R8_UNORM = 121,
203 VIRTIO_GPU_FORMAT_R8G8B8X8_UNORM = 134,