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 <xf86drm.h>
  42
  43 #include "etnaviv_drmif.h"
  44 #include "etnaviv_drm.h"
  45
  46 struct etna_bo_bucket {
  47         uint32_t size;
  48         struct list_head list;
  49 };
  50
  51 struct etna_bo_cache {
  52         struct etna_bo_bucket cache_bucket[14 * 4];
  53         unsigned num_buckets;
  54         time_t time;
  55 };
  56
  57 struct etna_device {
  58         int fd;
  59         atomic_t refcnt;
  60
  61         /* tables to keep track of bo's, to avoid "evil-twin" etna_bo objects:
  62          *
  63          *   handle_table: maps handle to etna_bo
  64          *   name_table: maps flink name to etna_bo
  65          *
  66          * We end up needing two tables, because DRM_IOCTL_GEM_OPEN always
  67          * returns a new handle.  So we need to figure out if the bo is already
  68          * open in the process first, before calling gem-open.
  69          */
  70         void *handle_table, *name_table;
  71
  72         struct etna_bo_cache bo_cache;
  73
  74         int closefd;        /* call close(fd) upon destruction */
  75 };
  76
  77 void etna_bo_cache_init(struct etna_bo_cache *cache);
  78 void etna_bo_cache_cleanup(struct etna_bo_cache *cache, time_t time);
  79 struct etna_bo *etna_bo_cache_alloc(struct etna_bo_cache *cache,
  80                 uint32_t *size, uint32_t flags);
  81 int etna_bo_cache_free(struct etna_bo_cache *cache, struct etna_bo *bo);
  82
  83 /* for where @table_lock is already held: */
  84 void etna_device_del_locked(struct etna_device *dev);
  85
  86 /* a GEM buffer object allocated from the DRM device */
  87 struct etna_bo {
  88         struct etna_device      *dev;
  89         void            *map;           /* userspace mmap'ing (if there is one) */
  90         uint32_t        size;
  91         uint32_t        handle;
  92         uint32_t        flags;
  93         uint32_t        name;           /* flink global handle (DRI2 name) */
  94         uint64_t        offset;         /* offset to mmap() */
  95         atomic_t        refcnt;
  96
  97         /* in the common case, a bo won't be referenced by more than a single
  98          * command stream.  So to avoid looping over all the bo's in the
  99          * reloc table to find the idx of a bo that might already be in the
 100          * table, we cache the idx in the bo.  But in order to detect the
 101          * slow-path where bo is ref'd in multiple streams, we also must track
 102          * the current_stream for which the idx is valid.  See bo2idx().
 103          */
 104         struct etna_cmd_stream *current_stream;
 105         uint32_t idx;
 106
 107         int reuse;
 108         struct list_head list;   /* bucket-list entry */
 109         time_t free_time;        /* time when added to bucket-list */
 110 };
 111
 112 struct etna_gpu {
 113         struct etna_device *dev;
 114         uint32_t core;
 115         uint32_t model;
 116         uint32_t revision;
 117 };
 118
 119 struct etna_pipe {
 120         enum etna_pipe_id id;
 121         struct etna_gpu *gpu;
 122 };
 123
 124 struct etna_cmd_stream_priv {
 125         struct etna_cmd_stream base;
 126         struct etna_pipe *pipe;
 127
 128         uint32_t last_timestamp;
 129
 130         /* submit ioctl related tables: */
 131         struct {
 132                 /* bo's table: */
 133                 struct drm_etnaviv_gem_submit_bo *bos;
 134                 uint32_t nr_bos, max_bos;
 135
 136                 /* reloc's table: */
 137                 struct drm_etnaviv_gem_submit_reloc *relocs;
 138                 uint32_t nr_relocs, max_relocs;
 139
 140                 /* perf's table: */
 141                 struct drm_etnaviv_gem_submit_pmr *pmrs;
 142                 uint32_t nr_pmrs, max_pmrs;
 143         } submit;
 144
 145         /* should have matching entries in submit.bos: */
 146         struct etna_bo **bos;
 147         uint32_t nr_bos, max_bos;
 148
 149         /* notify callback if buffer reset happened */
 150         void (*reset_notify)(struct etna_cmd_stream *stream, void *priv);
 151         void *reset_notify_priv;
 152 };
 153
 154 struct etna_perfmon {
 155         struct list_head domains;
 156         struct etna_pipe *pipe;
 157 };
 158
 159 struct etna_perfmon_domain
 160 {
 161         struct list_head head;
 162         struct list_head signals;
 163         uint8_t id;
 164         char name[64];
 165 };
 166
 167 struct etna_perfmon_signal
 168 {
 169         struct list_head head;
 170         struct etna_perfmon_domain *domain;
 171         uint8_t signal;
 172         char name[64];
 173 };
 174
 175 #define ALIGN(v,a) (((v) + (a) - 1) & ~((a) - 1))
 176 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
 177
 178 #define enable_debug 1  /* TODO make dynamic */
 179
 180 #define INFO_MSG(fmt, ...) \
 181                 do { drmMsg("[I] "fmt " (%s:%d)\n", \
 182                                 ##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
 183 #define DEBUG_MSG(fmt, ...) \
 184                 do if (enable_debug) { drmMsg("[D] "fmt " (%s:%d)\n", \
 185                                 ##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
 186 #define WARN_MSG(fmt, ...) \
 187                 do { drmMsg("[W] "fmt " (%s:%d)\n", \
 188                                 ##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
 189 #define ERROR_MSG(fmt, ...) \
 190                 do { drmMsg("[E] " fmt " (%s:%d)\n", \
 191                                 ##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
 192
 193 #define VOID2U64(x) ((uint64_t)(unsigned long)(x))
 194
 195 static inline void get_abs_timeout(struct drm_etnaviv_timespec *tv, uint64_t ns)
 196 {
 197         struct timespec t;
 198         uint32_t s = ns / 1000000000;
 199         clock_gettime(CLOCK_MONOTONIC, &t);
 200         tv->tv_sec = t.tv_sec + s;
 201         tv->tv_nsec = t.tv_nsec + ns - (s * 1000000000);
 202 }
 203
 204 #endif /* ETNAVIV_PRIV_H_ */