src/etnaviv/drm/etnaviv_priv.h

   1 /*
   2  * Copyright (C) 2014-2015 Etnaviv Project
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  *
  23  * Authors:
  24  *    Christian Gmeiner <christian.gmeiner@gmail.com>
  25  */
  26
  27 #ifndef ETNAVIV_PRIV_H_
  28 #define ETNAVIV_PRIV_H_
  29
  30 #include <stdlib.h>
  31 #include <errno.h>
  32 #include <string.h>
  33 #include <unistd.h>
  34 #include <errno.h>
  35 #include <fcntl.h>
  36 #include <sys/ioctl.h>
  37 #include <pthread.h>
  38 #include <stdio.h>
  39 #include <assert.h>
  40
  41 #include "libdrm_macros.h"
  42 #include "xf86drm.h"
  43 #include "xf86atomic.h"
  44
  45 #include "util_double_list.h"
  46
  47 #include "etnaviv_drmif.h"
  48 #include "etnaviv_drm.h"
  49
  50 struct etna_bo_bucket {
  51         uint32_t size;
  52         struct list_head list;
  53 };
  54
  55 struct etna_bo_cache {
  56         struct etna_bo_bucket cache_bucket[14 * 4];
  57         unsigned num_buckets;
  58         time_t time;
  59 };
  60
  61 struct etna_device {
  62         int fd;
  63         atomic_t refcnt;
  64
  65         /* tables to keep track of bo's, to avoid "evil-twin" etna_bo objects:
  66          *
  67          *   handle_table: maps handle to etna_bo
  68          *   name_table: maps flink name to etna_bo
  69          *
  70          * We end up needing two tables, because DRM_IOCTL_GEM_OPEN always
  71          * returns a new handle.  So we need to figure out if the bo is already
  72          * open in the process first, before calling gem-open.
  73          */
  74         void *handle_table, *name_table;
  75
  76         struct etna_bo_cache bo_cache;
  77
  78         int closefd;        /* call close(fd) upon destruction */
  79 };
  80
  81 drm_private void etna_bo_cache_init(struct etna_bo_cache *cache);
  82 drm_private void etna_bo_cache_cleanup(struct etna_bo_cache *cache, time_t time);
  83 drm_private struct etna_bo *etna_bo_cache_alloc(struct etna_bo_cache *cache,
  84                 uint32_t *size, uint32_t flags);
  85 drm_private int etna_bo_cache_free(struct etna_bo_cache *cache, struct etna_bo *bo);
  86
  87 /* for where @table_lock is already held: */
  88 drm_private void etna_device_del_locked(struct etna_device *dev);
  89
  90 /* a GEM buffer object allocated from the DRM device */
  91 struct etna_bo {
  92         struct etna_device      *dev;
  93         void            *map;           /* userspace mmap'ing (if there is one) */
  94         uint32_t        size;
  95         uint32_t        handle;
  96         uint32_t        flags;
  97         uint32_t        name;           /* flink global handle (DRI2 name) */
  98         uint64_t        offset;         /* offset to mmap() */
  99         atomic_t        refcnt;
 100
 101         /* in the common case, a bo won't be referenced by more than a single
 102          * command stream.  So to avoid looping over all the bo's in the
 103          * reloc table to find the idx of a bo that might already be in the
 104          * table, we cache the idx in the bo.  But in order to detect the
 105          * slow-path where bo is ref'd in multiple streams, we also must track
 106          * the current_stream for which the idx is valid.  See bo2idx().
 107          */
 108         struct etna_cmd_stream *current_stream;
 109         uint32_t idx;
 110
 111         int reuse;
 112         struct list_head list;   /* bucket-list entry */
 113         time_t free_time;        /* time when added to bucket-list */
 114 };
 115
 116 struct etna_gpu {
 117         struct etna_device *dev;
 118         uint32_t core;
 119         uint32_t model;
 120         uint32_t revision;
 121 };
 122
 123 struct etna_pipe {
 124         enum etna_pipe_id id;
 125         struct etna_gpu *gpu;
 126 };
 127
 128 struct etna_cmd_stream_priv {
 129         struct etna_cmd_stream base;
 130         struct etna_pipe *pipe;
 131
 132         uint32_t last_timestamp;
 133
 134         /* submit ioctl related tables: */
 135         struct {
 136                 /* bo's table: */
 137                 struct drm_etnaviv_gem_submit_bo *bos;
 138                 uint32_t nr_bos, max_bos;
 139
 140                 /* reloc's table: */
 141                 struct drm_etnaviv_gem_submit_reloc *relocs;
 142                 uint32_t nr_relocs, max_relocs;
 143
 144                 /* perf's table: */
 145                 struct drm_etnaviv_gem_submit_pmr *pmrs;
 146                 uint32_t nr_pmrs, max_pmrs;
 147         } submit;
 148
 149         /* should have matching entries in submit.bos: */
 150         struct etna_bo **bos;
 151         uint32_t nr_bos, max_bos;
 152
 153         /* notify callback if buffer reset happened */
 154         void (*reset_notify)(struct etna_cmd_stream *stream, void *priv);
 155         void *reset_notify_priv;
 156 };
 157
 158 struct etna_perfmon {
 159         struct list_head domains;
 160         struct etna_pipe *pipe;
 161 };
 162
 163 struct etna_perfmon_domain
 164 {
 165         struct list_head head;
 166         struct list_head signals;
 167         uint8_t id;
 168         char name[64];
 169 };
 170
 171 struct etna_perfmon_signal
 172 {
 173         struct list_head head;
 174         struct etna_perfmon_domain *domain;
 175         uint8_t signal;
 176         char name[64];
 177 };
 178
 179 #define ALIGN(v,a) (((v) + (a) - 1) & ~((a) - 1))
 180 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
 181
 182 #define enable_debug 1  /* TODO make dynamic */
 183
 184 #define INFO_MSG(fmt, ...) \
 185                 do { drmMsg("[I] "fmt " (%s:%d)\n", \
 186                                 ##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
 187 #define DEBUG_MSG(fmt, ...) \
 188                 do if (enable_debug) { drmMsg("[D] "fmt " (%s:%d)\n", \
 189                                 ##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
 190 #define WARN_MSG(fmt, ...) \
 191                 do { drmMsg("[W] "fmt " (%s:%d)\n", \
 192                                 ##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
 193 #define ERROR_MSG(fmt, ...) \
 194                 do { drmMsg("[E] " fmt " (%s:%d)\n", \
 195                                 ##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
 196
 197 #define VOID2U64(x) ((uint64_t)(unsigned long)(x))
 198
 199 static inline void get_abs_timeout(struct drm_etnaviv_timespec *tv, uint64_t ns)
 200 {
 201         struct timespec t;
 202         uint32_t s = ns / 1000000000;
 203         clock_gettime(CLOCK_MONOTONIC, &t);
 204         tv->tv_sec = t.tv_sec + s;
 205         tv->tv_nsec = t.tv_nsec + ns - (s * 1000000000);
 206 }
 207
 208 #endif /* ETNAVIV_PRIV_H_ */