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 <string.h>
  37 #include "drm.h"
  38 #include "radeon_drm.h"
  39
  40 struct radeon_cs_reloc {
  41     struct radeon_bo    *bo;
  42     uint32_t            read_domain;
  43     uint32_t            write_domain;
  44     uint32_t            flags;
  45 };
  46
  47
  48 #define RADEON_CS_SPACE_OK 0
  49 #define RADEON_CS_SPACE_OP_TO_BIG 1
  50 #define RADEON_CS_SPACE_FLUSH 2
  51
  52 struct radeon_cs_space_check {
  53     struct radeon_bo *bo;
  54     uint32_t read_domains;
  55     uint32_t write_domain;
  56     uint32_t new_accounted;
  57 };
  58
  59 struct radeon_cs_manager;
  60
  61 struct radeon_cs {
  62     struct radeon_cs_manager    *csm;
  63     void                        *relocs;
  64     uint32_t                    *packets;
  65     unsigned                    crelocs;
  66     unsigned                    relocs_total_size;
  67     unsigned                    cdw;
  68     unsigned                    ndw;
  69     int                         section;
  70     unsigned                    section_ndw;
  71     unsigned                    section_cdw;
  72     const char                  *section_file;
  73     const char                  *section_func;
  74     int                         section_line;
  75
  76 };
  77
  78 /* cs functions */
  79 struct radeon_cs_funcs {
  80     struct radeon_cs *(*cs_create)(struct radeon_cs_manager *csm,
  81                                    uint32_t ndw);
  82     int (*cs_write_reloc)(struct radeon_cs *cs,
  83                           struct radeon_bo *bo,
  84                           uint32_t read_domain,
  85                           uint32_t write_domain,
  86                           uint32_t flags);
  87     int (*cs_begin)(struct radeon_cs *cs,
  88                     uint32_t ndw,
  89                     const char *file,
  90                     const char *func,
  91                     int line);
  92     int (*cs_end)(struct radeon_cs *cs,
  93                   const char *file,
  94                   const char *func,
  95                   int line);
  96     int (*cs_emit)(struct radeon_cs *cs);
  97     int (*cs_destroy)(struct radeon_cs *cs);
  98     int (*cs_erase)(struct radeon_cs *cs);
  99     int (*cs_need_flush)(struct radeon_cs *cs);
 100     void (*cs_print)(struct radeon_cs *cs, FILE *file);
 101     int (*cs_space_check)(struct radeon_cs *cs, struct radeon_cs_space_check *bos,
 102                           int num_bo);
 103 };
 104
 105 struct radeon_cs_manager {
 106     struct radeon_cs_funcs  *funcs;
 107     int                     fd;
 108     uint32_t vram_limit, gart_limit;
 109     uint32_t vram_write_used, gart_write_used;
 110     uint32_t read_used;
 111 };
 112
 113 static inline struct radeon_cs *radeon_cs_create(struct radeon_cs_manager *csm,
 114                                                  uint32_t ndw)
 115 {
 116     return csm->funcs->cs_create(csm, ndw);
 117 }
 118
 119 static inline int radeon_cs_write_reloc(struct radeon_cs *cs,
 120                                         struct radeon_bo *bo,
 121                                         uint32_t read_domain,
 122                                         uint32_t write_domain,
 123                                         uint32_t flags)
 124 {
 125     return cs->csm->funcs->cs_write_reloc(cs,
 126                                           bo,
 127                                           read_domain,
 128                                           write_domain,
 129                                           flags);
 130 }
 131
 132 static inline int radeon_cs_begin(struct radeon_cs *cs,
 133                                   uint32_t ndw,
 134                                   const char *file,
 135                                   const char *func,
 136                                   int line)
 137 {
 138     return cs->csm->funcs->cs_begin(cs, ndw, file, func, line);
 139 }
 140
 141 static inline int radeon_cs_end(struct radeon_cs *cs,
 142                                 const char *file,
 143                                 const char *func,
 144                                 int line)
 145 {
 146     return cs->csm->funcs->cs_end(cs, file, func, line);
 147 }
 148
 149 static inline int radeon_cs_emit(struct radeon_cs *cs)
 150 {
 151     return cs->csm->funcs->cs_emit(cs);
 152 }
 153
 154 static inline int radeon_cs_destroy(struct radeon_cs *cs)
 155 {
 156     return cs->csm->funcs->cs_destroy(cs);
 157 }
 158
 159 static inline int radeon_cs_erase(struct radeon_cs *cs)
 160 {
 161     return cs->csm->funcs->cs_erase(cs);
 162 }
 163
 164 static inline int radeon_cs_need_flush(struct radeon_cs *cs)
 165 {
 166     return cs->csm->funcs->cs_need_flush(cs);
 167 }
 168
 169 static inline void radeon_cs_print(struct radeon_cs *cs, FILE *file)
 170 {
 171     cs->csm->funcs->cs_print(cs, file);
 172 }
 173
 174 static inline int radeon_cs_space_check(struct radeon_cs *cs,
 175                                             struct radeon_cs_space_check *bos,
 176                                             int num_bo)
 177 {
 178     return cs->csm->funcs->cs_space_check(cs, bos, num_bo);
 179 }
 180
 181 static inline void radeon_cs_set_limit(struct radeon_cs *cs, uint32_t domain, uint32_t limit)
 182 {
 183
 184     if (domain == RADEON_GEM_DOMAIN_VRAM)
 185         cs->csm->vram_limit = limit;
 186     else
 187         cs->csm->gart_limit = limit;
 188 }
 189
 190 static inline void radeon_cs_write_dword(struct radeon_cs *cs, uint32_t dword)
 191 {
 192     cs->packets[cs->cdw++] = dword;
 193     if (cs->section) {
 194         cs->section_cdw++;
 195     }
 196 }
 197
 198 static inline void radeon_cs_write_qword(struct radeon_cs *cs, uint64_t qword)
 199 {
 200
 201     memcpy(cs->packets + cs->cdw, &qword, sizeof(qword));
 202     cs->cdw+=2;
 203     if (cs->section) {
 204         cs->section_cdw+=2;
 205     }
 206 }
 207 #endif