src/gallium/winsys/radeon/drm/radeon_drm_bo.h

   1 /*
   2  * Copyright © 2008 Jérôme Glisse
   3  * Copyright © 2011 Marek Olšák <maraeo@gmail.com>
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining
   7  * a copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  15  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  16  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  17  * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
  18  * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * The above copyright notice and this permission notice (including the
  24  * next paragraph) shall be included in all copies or substantial portions
  25  * of the Software.
  26  */
  27 /*
  28  * Authors:
  29  *      Jérôme Glisse <glisse@freedesktop.org>
  30  *      Marek Olšák <maraeo@gmail.com>
  31  */
  32 #ifndef RADEON_DRM_BO_H
  33 #define RADEON_DRM_BO_H
  34
  35 #include "radeon_drm_winsys.h"
  36 #include "os/os_thread.h"
  37 #include "pipebuffer/pb_slab.h"
  38
  39 struct radeon_bo {
  40     struct pb_buffer base;
  41     union {
  42         struct {
  43             struct pb_cache_entry cache_entry;
  44
  45             void *ptr;
  46             pipe_mutex map_mutex;
  47             unsigned map_count;
  48             bool use_reusable_pool;
  49         } real;
  50         struct {
  51             struct pb_slab_entry entry;
  52             struct radeon_bo *real;
  53         } slab;
  54     } u;
  55
  56     struct radeon_drm_winsys *rws;
  57     void *user_ptr; /* from buffer_from_ptr */
  58
  59     uint32_t handle; /* 0 for slab entries */
  60     uint32_t flink_name;
  61     uint64_t va;
  62     enum radeon_bo_domain initial_domain;
  63
  64     /* how many command streams is this bo referenced in? */
  65     int num_cs_references;
  66
  67     /* how many command streams, which are being emitted in a separate
  68      * thread, is this bo referenced in? */
  69     int num_active_ioctls;
  70 };
  71
  72 void radeon_bo_destroy(struct pb_buffer *_buf);
  73 bool radeon_bo_can_reclaim(struct pb_buffer *_buf);
  74 void radeon_drm_bo_init_functions(struct radeon_drm_winsys *ws);
  75
  76 static inline
  77 void radeon_bo_reference(struct radeon_bo **dst, struct radeon_bo *src)
  78 {
  79     pb_reference((struct pb_buffer**)dst, (struct pb_buffer*)src);
  80 }
  81
  82 void *radeon_bo_do_map(struct radeon_bo *bo);
  83
  84 #endif