2 * Copyright 2013 Red Hat
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
29 #if defined(__cplusplus)
33 /* Please note that modifications to all structs defined here are
34 * subject to backwards-compatibility constraints.
36 * Do not use pointers, use __u64 instead for 32 bit / 64 bit user/kernel
37 * compatibility Keep fields aligned to their size
40 #define DRM_VIRTGPU_MAP 0x01
41 #define DRM_VIRTGPU_EXECBUFFER 0x02
42 #define DRM_VIRTGPU_GETPARAM 0x03
43 #define DRM_VIRTGPU_RESOURCE_CREATE 0x04
44 #define DRM_VIRTGPU_RESOURCE_INFO 0x05
45 #define DRM_VIRTGPU_TRANSFER_FROM_HOST 0x06
46 #define DRM_VIRTGPU_TRANSFER_TO_HOST 0x07
47 #define DRM_VIRTGPU_WAIT 0x08
48 #define DRM_VIRTGPU_GET_CAPS 0x09
50 #define VIRTGPU_EXECBUF_FENCE_FD_IN 0x01
51 #define VIRTGPU_EXECBUF_FENCE_FD_OUT 0x02
52 #define VIRTGPU_EXECBUF_FLAGS (\
53 VIRTGPU_EXECBUF_FENCE_FD_IN |\
54 VIRTGPU_EXECBUF_FENCE_FD_OUT |\
57 struct drm_virtgpu_map {
58 __u64 offset; /* use for mmap system call */
63 struct drm_virtgpu_execbuffer {
66 __u64 command; /* void* */
69 __s32 fence_fd; /* in/out fence fd (see VIRTGPU_EXECBUF_FENCE_FD_IN/OUT) */
72 #define VIRTGPU_PARAM_3D_FEATURES 1 /* do we have 3D features in the hw */
73 #define VIRTGPU_PARAM_CAPSET_QUERY_FIX 2 /* do we have the capset fix */
75 struct drm_virtgpu_getparam {
80 /* NO_BO flags? NO resource flag? */
81 /* resource flag for y_0_top */
82 struct drm_virtgpu_resource_create {
93 __u32 bo_handle; /* if this is set - recreate a new resource attached to this bo ? */
94 __u32 res_handle; /* returned by kernel */
95 __u32 size; /* validate transfer in the host */
96 __u32 stride; /* validate transfer in the host */
99 struct drm_virtgpu_resource_info {
105 __u32 strides[4]; /* strides[0] is accessible with stride. */
109 __u64 format_modifier;
112 struct drm_virtgpu_3d_box {
121 struct drm_virtgpu_3d_transfer_to_host {
123 struct drm_virtgpu_3d_box box;
128 struct drm_virtgpu_3d_transfer_from_host {
130 struct drm_virtgpu_3d_box box;
135 #define VIRTGPU_WAIT_NOWAIT 1 /* like it */
136 struct drm_virtgpu_3d_wait {
137 __u32 handle; /* 0 is an invalid handle */
141 struct drm_virtgpu_get_caps {
149 #define DRM_IOCTL_VIRTGPU_MAP \
150 DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_MAP, struct drm_virtgpu_map)
152 #define DRM_IOCTL_VIRTGPU_EXECBUFFER \
153 DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_EXECBUFFER,\
154 struct drm_virtgpu_execbuffer)
156 #define DRM_IOCTL_VIRTGPU_GETPARAM \
157 DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_GETPARAM,\
158 struct drm_virtgpu_getparam)
160 #define DRM_IOCTL_VIRTGPU_RESOURCE_CREATE \
161 DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_RESOURCE_CREATE, \
162 struct drm_virtgpu_resource_create)
164 #define DRM_IOCTL_VIRTGPU_RESOURCE_INFO \
165 DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_RESOURCE_INFO, \
166 struct drm_virtgpu_resource_info)
168 #define DRM_IOCTL_VIRTGPU_TRANSFER_FROM_HOST \
169 DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_TRANSFER_FROM_HOST, \
170 struct drm_virtgpu_3d_transfer_from_host)
172 #define DRM_IOCTL_VIRTGPU_TRANSFER_TO_HOST \
173 DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_TRANSFER_TO_HOST, \
174 struct drm_virtgpu_3d_transfer_to_host)
176 #define DRM_IOCTL_VIRTGPU_WAIT \
177 DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_WAIT, \
178 struct drm_virtgpu_3d_wait)
180 #define DRM_IOCTL_VIRTGPU_GET_CAPS \
181 DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_GET_CAPS, \
182 struct drm_virtgpu_get_caps)
184 #if defined(__cplusplus)