src/intel/common/gen_buffer_alloc.h

   1 /*
   2  * Copyright (c) 2018 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 #ifndef GEN_BUFFER_ALLOC_H
  25 #define GEN_BUFFER_ALLOC_H
  26
  27 #include <stdint.h>
  28
  29 #ifdef __cplusplus
  30 extern "C" {
  31 #endif
  32
  33 struct gen_buffer {
  34    uint64_t gpu;
  35    uint64_t gpu_end;
  36    void *map;
  37    void *driver_bo;
  38 };
  39
  40 struct gen_mapped_pinned_buffer_alloc {
  41    struct gen_buffer * (*alloc)(void *driver_ctx, uint32_t size);
  42    void (*free)(void *driver_ctx, struct gen_buffer *buffer);
  43 };
  44
  45 #ifdef __cplusplus
  46 }
  47 #endif
  48
  49 #endif /* GEN_BUFFER_ALLOC_H */