include/drm-uapi/virtgpu_drm.h

   1 /*
   2  * Copyright 2013 Red Hat
   3  * All Rights Reserved.
   4  *
   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:
  11  *
  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
  14  * Software.
  15  *
  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.
  23  */
  24 #ifndef VIRTGPU_DRM_H
  25 #define VIRTGPU_DRM_H
  26
  27 #include "drm.h"
  28
  29 #if defined(__cplusplus)
  30 extern "C" {
  31 #endif
  32
  33 /* Please note that modifications to all structs defined here are
  34  * subject to backwards-compatibility constraints.
  35  *
  36  * Do not use pointers, use __u64 instead for 32 bit / 64 bit user/kernel
  37  * compatibility Keep fields aligned to their size
  38  */
  39
  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
  49
  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 |\
  55                 0)
  56
  57 struct drm_virtgpu_map {
  58         __u64 offset; /* use for mmap system call */
  59         __u32 handle;
  60         __u32 pad;
  61 };
  62
  63 struct drm_virtgpu_execbuffer {
  64         __u32 flags;
  65         __u32 size;
  66         __u64 command; /* void* */
  67         __u64 bo_handles;
  68         __u32 num_bo_handles;
  69         __s32 fence_fd; /* in/out fence fd (see VIRTGPU_EXECBUF_FENCE_FD_IN/OUT) */
  70 };
  71
  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 */
  74
  75 struct drm_virtgpu_getparam {
  76         __u64 param;
  77         __u64 value;
  78 };
  79
  80 /* NO_BO flags? NO resource flag? */
  81 /* resource flag for y_0_top */
  82 struct drm_virtgpu_resource_create {
  83         __u32 target;
  84         __u32 format;
  85         __u32 bind;
  86         __u32 width;
  87         __u32 height;
  88         __u32 depth;
  89         __u32 array_size;
  90         __u32 last_level;
  91         __u32 nr_samples;
  92         __u32 flags;
  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 */
  97 };
  98
  99 struct drm_virtgpu_resource_info {
 100         __u32 bo_handle;
 101         __u32 res_handle;
 102         __u32 size;
 103         __u32 stride;
 104 };
 105
 106 struct drm_virtgpu_3d_box {
 107         __u32 x;
 108         __u32 y;
 109         __u32 z;
 110         __u32 w;
 111         __u32 h;
 112         __u32 d;
 113 };
 114
 115 struct drm_virtgpu_3d_transfer_to_host {
 116         __u32 bo_handle;
 117         struct drm_virtgpu_3d_box box;
 118         __u32 level;
 119         __u32 offset;
 120 };
 121
 122 struct drm_virtgpu_3d_transfer_from_host {
 123         __u32 bo_handle;
 124         struct drm_virtgpu_3d_box box;
 125         __u32 level;
 126         __u32 offset;
 127 };
 128
 129 #define VIRTGPU_WAIT_NOWAIT 1 /* like it */
 130 struct drm_virtgpu_3d_wait {
 131         __u32 handle; /* 0 is an invalid handle */
 132         __u32 flags;
 133 };
 134
 135 struct drm_virtgpu_get_caps {
 136         __u32 cap_set_id;
 137         __u32 cap_set_ver;
 138         __u64 addr;
 139         __u32 size;
 140         __u32 pad;
 141 };
 142
 143 #define DRM_IOCTL_VIRTGPU_MAP \
 144         DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_MAP, struct drm_virtgpu_map)
 145
 146 #define DRM_IOCTL_VIRTGPU_EXECBUFFER \
 147         DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_EXECBUFFER,\
 148                 struct drm_virtgpu_execbuffer)
 149
 150 #define DRM_IOCTL_VIRTGPU_GETPARAM \
 151         DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_GETPARAM,\
 152                 struct drm_virtgpu_getparam)
 153
 154 #define DRM_IOCTL_VIRTGPU_RESOURCE_CREATE                       \
 155         DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_RESOURCE_CREATE,        \
 156                 struct drm_virtgpu_resource_create)
 157
 158 #define DRM_IOCTL_VIRTGPU_RESOURCE_INFO \
 159         DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_RESOURCE_INFO, \
 160                  struct drm_virtgpu_resource_info)
 161
 162 #define DRM_IOCTL_VIRTGPU_TRANSFER_FROM_HOST \
 163         DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_TRANSFER_FROM_HOST,     \
 164                 struct drm_virtgpu_3d_transfer_from_host)
 165
 166 #define DRM_IOCTL_VIRTGPU_TRANSFER_TO_HOST \
 167         DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_TRANSFER_TO_HOST,       \
 168                 struct drm_virtgpu_3d_transfer_to_host)
 169
 170 #define DRM_IOCTL_VIRTGPU_WAIT                          \
 171         DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_WAIT,   \
 172                 struct drm_virtgpu_3d_wait)
 173
 174 #define DRM_IOCTL_VIRTGPU_GET_CAPS \
 175         DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_GET_CAPS, \
 176         struct drm_virtgpu_get_caps)
 177
 178 #if defined(__cplusplus)
 179 }
 180 #endif
 181
 182 #endif