drivers/gpu/drm/i915/i915_gem_batch_pool.h

   1 /*
   2  * Copyright © 2014 Intel Corporation
   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
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  *
  23  */
  24
  25 #ifndef I915_GEM_BATCH_POOL_H
  26 #define I915_GEM_BATCH_POOL_H
  27
  28 #include "i915_drv.h"
  29
  30 struct intel_engine_cs;
  31
  32 struct i915_gem_batch_pool {
  33         struct intel_engine_cs *engine;
  34         struct list_head cache_list[4];
  35 };
  36
  37 /* i915_gem_batch_pool.c */
  38 void i915_gem_batch_pool_init(struct intel_engine_cs *engine,
  39                               struct i915_gem_batch_pool *pool);
  40 void i915_gem_batch_pool_fini(struct i915_gem_batch_pool *pool);
  41 struct drm_i915_gem_object*
  42 i915_gem_batch_pool_get(struct i915_gem_batch_pool *pool, size_t size);
  43
  44 #endif /* I915_GEM_BATCH_POOL_H */