include/uapi/drm/qxl_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 QXL_DRM_H
  25 #define QXL_DRM_H
  26
  27 #include <stddef.h>
  28 #include "drm/drm.h"
  29
  30 /* Please note that modifications to all structs defined here are
  31  * subject to backwards-compatibility constraints.
  32  *
  33  * Do not use pointers, use uint64_t instead for 32 bit / 64 bit user/kernel
  34  * compatibility Keep fields aligned to their size
  35  */
  36
  37 #define QXL_GEM_DOMAIN_CPU 0
  38 #define QXL_GEM_DOMAIN_VRAM 1
  39 #define QXL_GEM_DOMAIN_SURFACE 2
  40
  41 #define DRM_QXL_ALLOC       0x00
  42 #define DRM_QXL_MAP         0x01
  43 #define DRM_QXL_EXECBUFFER  0x02
  44 #define DRM_QXL_UPDATE_AREA 0x03
  45 #define DRM_QXL_GETPARAM    0x04
  46 #define DRM_QXL_CLIENTCAP   0x05
  47
  48 #define DRM_QXL_ALLOC_SURF  0x06
  49
  50 struct drm_qxl_alloc {
  51         uint32_t size;
  52         uint32_t handle; /* 0 is an invalid handle */
  53 };
  54
  55 struct drm_qxl_map {
  56         uint64_t offset; /* use for mmap system call */
  57         uint32_t handle;
  58         uint32_t pad;
  59 };
  60
  61 /*
  62  * dest is the bo we are writing the relocation into
  63  * src is bo we are relocating.
  64  * *(dest_handle.base_addr + dest_offset) = physical_address(src_handle.addr +
  65  * src_offset)
  66  */
  67 #define QXL_RELOC_TYPE_BO 1
  68 #define QXL_RELOC_TYPE_SURF 2
  69
  70 struct drm_qxl_reloc {
  71         uint64_t src_offset; /* offset into src_handle or src buffer */
  72         uint64_t dst_offset; /* offset in dest handle */
  73         uint32_t src_handle; /* dest handle to compute address from */
  74         uint32_t dst_handle; /* 0 if to command buffer */
  75         uint32_t reloc_type;
  76         uint32_t pad;
  77 };
  78
  79 struct drm_qxl_command {
  80         uint64_t         __user command; /* void* */
  81         uint64_t         __user relocs; /* struct drm_qxl_reloc* */
  82         uint32_t                type;
  83         uint32_t                command_size;
  84         uint32_t                relocs_num;
  85         uint32_t                pad;
  86 };
  87
  88 /* XXX: call it drm_qxl_commands? */
  89 struct drm_qxl_execbuffer {
  90         uint32_t                flags;          /* for future use */
  91         uint32_t                commands_num;
  92         uint64_t         __user commands;       /* struct drm_qxl_command* */
  93 };
  94
  95 struct drm_qxl_update_area {
  96         uint32_t handle;
  97         uint32_t top;
  98         uint32_t left;
  99         uint32_t bottom;
 100         uint32_t right;
 101         uint32_t pad;
 102 };
 103
 104 #define QXL_PARAM_NUM_SURFACES 1 /* rom->n_surfaces */
 105 #define QXL_PARAM_MAX_RELOCS 2
 106 struct drm_qxl_getparam {
 107         uint64_t param;
 108         uint64_t value;
 109 };
 110
 111 /* these are one bit values */
 112 struct drm_qxl_clientcap {
 113         uint32_t index;
 114         uint32_t pad;
 115 };
 116
 117 struct drm_qxl_alloc_surf {
 118         uint32_t format;
 119         uint32_t width;
 120         uint32_t height;
 121         int32_t stride;
 122         uint32_t handle;
 123         uint32_t pad;
 124 };
 125
 126 #define DRM_IOCTL_QXL_ALLOC \
 127         DRM_IOWR(DRM_COMMAND_BASE + DRM_QXL_ALLOC, struct drm_qxl_alloc)
 128
 129 #define DRM_IOCTL_QXL_MAP \
 130         DRM_IOWR(DRM_COMMAND_BASE + DRM_QXL_MAP, struct drm_qxl_map)
 131
 132 #define DRM_IOCTL_QXL_EXECBUFFER \
 133         DRM_IOW(DRM_COMMAND_BASE + DRM_QXL_EXECBUFFER,\
 134                 struct drm_qxl_execbuffer)
 135
 136 #define DRM_IOCTL_QXL_UPDATE_AREA \
 137         DRM_IOW(DRM_COMMAND_BASE + DRM_QXL_UPDATE_AREA,\
 138                 struct drm_qxl_update_area)
 139
 140 #define DRM_IOCTL_QXL_GETPARAM \
 141         DRM_IOWR(DRM_COMMAND_BASE + DRM_QXL_GETPARAM,\
 142                 struct drm_qxl_getparam)
 143
 144 #define DRM_IOCTL_QXL_CLIENTCAP \
 145         DRM_IOW(DRM_COMMAND_BASE + DRM_QXL_CLIENTCAP,\
 146                 struct drm_qxl_clientcap)
 147
 148 #define DRM_IOCTL_QXL_ALLOC_SURF \
 149         DRM_IOWR(DRM_COMMAND_BASE + DRM_QXL_ALLOC_SURF,\
 150                 struct drm_qxl_alloc_surf)
 151
 152 #endif