root/include/uapi/drm/nouveau_drm.h

INCLUDED FROM

   1 /*
   2  * Copyright 2005 Stephane Marchesin.
   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  * VA LINUX SYSTEMS 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 
  25 #ifndef __NOUVEAU_DRM_H__
  26 #define __NOUVEAU_DRM_H__
  27 
  28 #define DRM_NOUVEAU_EVENT_NVIF                                       0x80000000
  29 
  30 #include "drm.h"
  31 
  32 #if defined(__cplusplus)
  33 extern "C" {
  34 #endif
  35 
  36 #define NOUVEAU_GEM_DOMAIN_CPU       (1 << 0)
  37 #define NOUVEAU_GEM_DOMAIN_VRAM      (1 << 1)
  38 #define NOUVEAU_GEM_DOMAIN_GART      (1 << 2)
  39 #define NOUVEAU_GEM_DOMAIN_MAPPABLE  (1 << 3)
  40 #define NOUVEAU_GEM_DOMAIN_COHERENT  (1 << 4)
  41 
  42 #define NOUVEAU_GEM_TILE_COMP        0x00030000 /* nv50-only */
  43 #define NOUVEAU_GEM_TILE_LAYOUT_MASK 0x0000ff00
  44 #define NOUVEAU_GEM_TILE_16BPP       0x00000001
  45 #define NOUVEAU_GEM_TILE_32BPP       0x00000002
  46 #define NOUVEAU_GEM_TILE_ZETA        0x00000004
  47 #define NOUVEAU_GEM_TILE_NONCONTIG   0x00000008
  48 
  49 struct drm_nouveau_gem_info {
  50         __u32 handle;
  51         __u32 domain;
  52         __u64 size;
  53         __u64 offset;
  54         __u64 map_handle;
  55         __u32 tile_mode;
  56         __u32 tile_flags;
  57 };
  58 
  59 struct drm_nouveau_gem_new {
  60         struct drm_nouveau_gem_info info;
  61         __u32 channel_hint;
  62         __u32 align;
  63 };
  64 
  65 #define NOUVEAU_GEM_MAX_BUFFERS 1024
  66 struct drm_nouveau_gem_pushbuf_bo_presumed {
  67         __u32 valid;
  68         __u32 domain;
  69         __u64 offset;
  70 };
  71 
  72 struct drm_nouveau_gem_pushbuf_bo {
  73         __u64 user_priv;
  74         __u32 handle;
  75         __u32 read_domains;
  76         __u32 write_domains;
  77         __u32 valid_domains;
  78         struct drm_nouveau_gem_pushbuf_bo_presumed presumed;
  79 };
  80 
  81 #define NOUVEAU_GEM_RELOC_LOW  (1 << 0)
  82 #define NOUVEAU_GEM_RELOC_HIGH (1 << 1)
  83 #define NOUVEAU_GEM_RELOC_OR   (1 << 2)
  84 #define NOUVEAU_GEM_MAX_RELOCS 1024
  85 struct drm_nouveau_gem_pushbuf_reloc {
  86         __u32 reloc_bo_index;
  87         __u32 reloc_bo_offset;
  88         __u32 bo_index;
  89         __u32 flags;
  90         __u32 data;
  91         __u32 vor;
  92         __u32 tor;
  93 };
  94 
  95 #define NOUVEAU_GEM_MAX_PUSH 512
  96 struct drm_nouveau_gem_pushbuf_push {
  97         __u32 bo_index;
  98         __u32 pad;
  99         __u64 offset;
 100         __u64 length;
 101 };
 102 
 103 struct drm_nouveau_gem_pushbuf {
 104         __u32 channel;
 105         __u32 nr_buffers;
 106         __u64 buffers;
 107         __u32 nr_relocs;
 108         __u32 nr_push;
 109         __u64 relocs;
 110         __u64 push;
 111         __u32 suffix0;
 112         __u32 suffix1;
 113         __u64 vram_available;
 114         __u64 gart_available;
 115 };
 116 
 117 #define NOUVEAU_GEM_CPU_PREP_NOWAIT                                  0x00000001
 118 #define NOUVEAU_GEM_CPU_PREP_WRITE                                   0x00000004
 119 struct drm_nouveau_gem_cpu_prep {
 120         __u32 handle;
 121         __u32 flags;
 122 };
 123 
 124 struct drm_nouveau_gem_cpu_fini {
 125         __u32 handle;
 126 };
 127 
 128 #define DRM_NOUVEAU_GETPARAM           0x00 /* deprecated */
 129 #define DRM_NOUVEAU_SETPARAM           0x01 /* deprecated */
 130 #define DRM_NOUVEAU_CHANNEL_ALLOC      0x02 /* deprecated */
 131 #define DRM_NOUVEAU_CHANNEL_FREE       0x03 /* deprecated */
 132 #define DRM_NOUVEAU_GROBJ_ALLOC        0x04 /* deprecated */
 133 #define DRM_NOUVEAU_NOTIFIEROBJ_ALLOC  0x05 /* deprecated */
 134 #define DRM_NOUVEAU_GPUOBJ_FREE        0x06 /* deprecated */
 135 #define DRM_NOUVEAU_NVIF               0x07
 136 #define DRM_NOUVEAU_SVM_INIT           0x08
 137 #define DRM_NOUVEAU_SVM_BIND           0x09
 138 #define DRM_NOUVEAU_GEM_NEW            0x40
 139 #define DRM_NOUVEAU_GEM_PUSHBUF        0x41
 140 #define DRM_NOUVEAU_GEM_CPU_PREP       0x42
 141 #define DRM_NOUVEAU_GEM_CPU_FINI       0x43
 142 #define DRM_NOUVEAU_GEM_INFO           0x44
 143 
 144 struct drm_nouveau_svm_init {
 145         __u64 unmanaged_addr;
 146         __u64 unmanaged_size;
 147 };
 148 
 149 struct drm_nouveau_svm_bind {
 150         __u64 header;
 151         __u64 va_start;
 152         __u64 va_end;
 153         __u64 npages;
 154         __u64 stride;
 155         __u64 result;
 156         __u64 reserved0;
 157         __u64 reserved1;
 158 };
 159 
 160 #define NOUVEAU_SVM_BIND_COMMAND_SHIFT          0
 161 #define NOUVEAU_SVM_BIND_COMMAND_BITS           8
 162 #define NOUVEAU_SVM_BIND_COMMAND_MASK           ((1 << 8) - 1)
 163 #define NOUVEAU_SVM_BIND_PRIORITY_SHIFT         8
 164 #define NOUVEAU_SVM_BIND_PRIORITY_BITS          8
 165 #define NOUVEAU_SVM_BIND_PRIORITY_MASK          ((1 << 8) - 1)
 166 #define NOUVEAU_SVM_BIND_TARGET_SHIFT           16
 167 #define NOUVEAU_SVM_BIND_TARGET_BITS            32
 168 #define NOUVEAU_SVM_BIND_TARGET_MASK            0xffffffff
 169 
 170 /*
 171  * Below is use to validate ioctl argument, userspace can also use it to make
 172  * sure that no bit are set beyond known fields for a given kernel version.
 173  */
 174 #define NOUVEAU_SVM_BIND_VALID_BITS     48
 175 #define NOUVEAU_SVM_BIND_VALID_MASK     ((1ULL << NOUVEAU_SVM_BIND_VALID_BITS) - 1)
 176 
 177 
 178 /*
 179  * NOUVEAU_BIND_COMMAND__MIGRATE: synchronous migrate to target memory.
 180  * result: number of page successfuly migrate to the target memory.
 181  */
 182 #define NOUVEAU_SVM_BIND_COMMAND__MIGRATE               0
 183 
 184 /*
 185  * NOUVEAU_SVM_BIND_HEADER_TARGET__GPU_VRAM: target the GPU VRAM memory.
 186  */
 187 #define NOUVEAU_SVM_BIND_TARGET__GPU_VRAM               (1UL << 31)
 188 
 189 
 190 #define DRM_IOCTL_NOUVEAU_SVM_INIT           DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_SVM_INIT, struct drm_nouveau_svm_init)
 191 #define DRM_IOCTL_NOUVEAU_SVM_BIND           DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_SVM_BIND, struct drm_nouveau_svm_bind)
 192 
 193 #define DRM_IOCTL_NOUVEAU_GEM_NEW            DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_NEW, struct drm_nouveau_gem_new)
 194 #define DRM_IOCTL_NOUVEAU_GEM_PUSHBUF        DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_PUSHBUF, struct drm_nouveau_gem_pushbuf)
 195 #define DRM_IOCTL_NOUVEAU_GEM_CPU_PREP       DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_CPU_PREP, struct drm_nouveau_gem_cpu_prep)
 196 #define DRM_IOCTL_NOUVEAU_GEM_CPU_FINI       DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_CPU_FINI, struct drm_nouveau_gem_cpu_fini)
 197 #define DRM_IOCTL_NOUVEAU_GEM_INFO           DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_INFO, struct drm_nouveau_gem_info)
 198 
 199 #if defined(__cplusplus)
 200 }
 201 #endif
 202 
 203 #endif /* __NOUVEAU_DRM_H__ */