src/mesa/drivers/dri/radeon/radeon_cs_drm.h

   1 /*
   2  * Copyright © 2008 Nicolai Haehnle
   3  * Copyright © 2008 Jérôme Glisse
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  18  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  19  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  20  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  */
  26 /*
  27  * Authors:
  28  *      Aapo Tahkola <aet@rasterburn.org>
  29  *      Nicolai Haehnle <prefect_@gmx.net>
  30  *      Jérôme Glisse <glisse@freedesktop.org>
  31  */
  32 #ifndef RADEON_CS_H
  33 #define RADEON_CS_H
  34
  35 #include <stdint.h>
  36 #include "drm.h"
  37 #include "radeon_drm.h"
  38
  39 struct radeon_cs_reloc {
  40     struct radeon_bo    *bo;
  41     uint32_t            read_domain;
  42     uint32_t            write_domain;
  43     uint32_t            flags;
  44 };
  45
  46
  47 #define RADEON_CS_SPACE_OK 0
  48 #define RADEON_CS_SPACE_OP_TO_BIG 1
  49 #define RADEON_CS_SPACE_FLUSH 2
  50
  51 struct radeon_cs_space_check {
  52     struct radeon_bo *bo;
  53     uint32_t read_domains;
  54     uint32_t write_domain;
  55     uint32_t new_accounted;
  56 };
  57
  58 struct radeon_cs_manager;
  59
  60 struct radeon_cs {
  61     struct radeon_cs_manager    *csm;
  62     void                        *relocs;
  63     uint32_t                    *packets;
  64     unsigned                    crelocs;
  65     unsigned                    relocs_total_size;
  66     unsigned                    cdw;
  67     unsigned                    ndw;
  68     int                         section;
  69     unsigned                    section_ndw;
  70     unsigned                    section_cdw;
  71     const char                  *section_file;
  72     const char                  *section_func;
  73     int                         section_line;
  74
  75 };
  76
  77 /* cs functions */
  78 struct radeon_cs_funcs {
  79     struct radeon_cs *(*cs_create)(struct radeon_cs_manager *csm,
  80                                    uint32_t ndw);
  81     int (*cs_write_reloc)(struct radeon_cs *cs,
  82                           struct radeon_bo *bo,
  83                           uint32_t read_domain,
  84                           uint32_t write_domain,
  85                           uint32_t flags);
  86     int (*cs_begin)(struct radeon_cs *cs,
  87                     uint32_t ndw,
  88                     const char *file,
  89                     const char *func,
  90                     int line);
  91     int (*cs_end)(struct radeon_cs *cs,
  92                   const char *file,
  93                   const char *func,
  94                   int line);
  95     int (*cs_emit)(struct radeon_cs *cs);
  96     int (*cs_destroy)(struct radeon_cs *cs);
  97     int (*cs_erase)(struct radeon_cs *cs);
  98     int (*cs_need_flush)(struct radeon_cs *cs);
  99     void (*cs_print)(struct radeon_cs *cs, FILE *file);
 100     int (*cs_space_check)(struct radeon_cs *cs, struct radeon_cs_space_check *bos,
 101                           int num_bo);
 102 };
 103
 104 struct radeon_cs_manager {
 105     struct radeon_cs_funcs  *funcs;
 106     int                     fd;
 107     uint32_t vram_limit, gart_limit;
 108     uint32_t vram_write_used, gart_write_used;
 109     uint32_t read_used;
 110 };
 111
 112 static inline struct radeon_cs *radeon_cs_create(struct radeon_cs_manager *csm,
 113                                                  uint32_t ndw)
 114 {
 115     return csm->funcs->cs_create(csm, ndw);
 116 }
 117
 118 static inline int radeon_cs_write_reloc(struct radeon_cs *cs,
 119                                         struct radeon_bo *bo,
 120                                         uint32_t read_domain,
 121                                         uint32_t write_domain,
 122                                         uint32_t flags)
 123 {
 124     return cs->csm->funcs->cs_write_reloc(cs,
 125                                           bo,
 126                                           read_domain,
 127                                           write_domain,
 128                                           flags);
 129 }
 130
 131 static inline int radeon_cs_begin(struct radeon_cs *cs,
 132                                   uint32_t ndw,
 133                                   const char *file,
 134                                   const char *func,
 135                                   int line)
 136 {
 137     return cs->csm->funcs->cs_begin(cs, ndw, file, func, line);
 138 }
 139
 140 static inline int radeon_cs_end(struct radeon_cs *cs,
 141                                 const char *file,
 142                                 const char *func,
 143                                 int line)
 144 {
 145     return cs->csm->funcs->cs_end(cs, file, func, line);
 146 }
 147
 148 static inline int radeon_cs_emit(struct radeon_cs *cs)
 149 {
 150     return cs->csm->funcs->cs_emit(cs);
 151 }
 152
 153 static inline int radeon_cs_destroy(struct radeon_cs *cs)
 154 {
 155     return cs->csm->funcs->cs_destroy(cs);
 156 }
 157
 158 static inline int radeon_cs_erase(struct radeon_cs *cs)
 159 {
 160     return cs->csm->funcs->cs_erase(cs);
 161 }
 162
 163 static inline int radeon_cs_need_flush(struct radeon_cs *cs)
 164 {
 165     return cs->csm->funcs->cs_need_flush(cs);
 166 }
 167
 168 static inline void radeon_cs_print(struct radeon_cs *cs, FILE *file)
 169 {
 170     cs->csm->funcs->cs_print(cs, file);
 171 }
 172
 173 static inline int radeon_cs_space_check(struct radeon_cs *cs,
 174                                             struct radeon_cs_space_check *bos,
 175                                             int num_bo)
 176 {
 177     return cs->csm->funcs->cs_space_check(cs, bos, num_bo);
 178 }
 179
 180 static inline void radeon_cs_set_limit(struct radeon_cs *cs, uint32_t domain, uint32_t limit)
 181 {
 182
 183     if (domain == RADEON_GEM_DOMAIN_VRAM)
 184         cs->csm->vram_limit = limit;
 185     else
 186         cs->csm->gart_limit = limit;
 187 }
 188
 189 static inline void radeon_cs_write_dword(struct radeon_cs *cs, uint32_t dword)
 190 {
 191     cs->packets[cs->cdw++] = dword;
 192     if (cs->section) {
 193         cs->section_cdw++;
 194     }
 195 }
 196
 197 #endif