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