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      1 /*
      2  * Copyright  2008 Jrme Glisse
      3  * Copyright  2011 Marek Olk <maraeo (at) 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 #ifndef RADEON_DRM_BO_H
     29 #define RADEON_DRM_BO_H
     30 
     31 #include "radeon_drm_winsys.h"
     32 #include "os/os_thread.h"
     33 #include "pipebuffer/pb_slab.h"
     34 
     35 struct radeon_bo {
     36     struct pb_buffer base;
     37     union {
     38         struct {
     39             struct pb_cache_entry cache_entry;
     40 
     41             void *ptr;
     42             mtx_t map_mutex;
     43             unsigned map_count;
     44             bool use_reusable_pool;
     45         } real;
     46         struct {
     47             struct pb_slab_entry entry;
     48             struct radeon_bo *real;
     49 
     50             unsigned num_fences;
     51             unsigned max_fences;
     52             struct radeon_bo **fences;
     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     uint32_t hash;
     63     enum radeon_bo_domain initial_domain;
     64 
     65     /* how many command streams is this bo referenced in? */
     66     int num_cs_references;
     67 
     68     /* how many command streams, which are being emitted in a separate
     69      * thread, is this bo referenced in? */
     70     int num_active_ioctls;
     71 };
     72 
     73 struct radeon_slab {
     74     struct pb_slab base;
     75     struct radeon_bo *buffer;
     76     struct radeon_bo *entries;
     77 };
     78 
     79 void radeon_bo_destroy(struct pb_buffer *_buf);
     80 bool radeon_bo_can_reclaim(struct pb_buffer *_buf);
     81 void radeon_drm_bo_init_functions(struct radeon_drm_winsys *ws);
     82 
     83 bool radeon_bo_can_reclaim_slab(void *priv, struct pb_slab_entry *entry);
     84 struct pb_slab *radeon_bo_slab_alloc(void *priv, unsigned heap,
     85                                      unsigned entry_size,
     86                                      unsigned group_index);
     87 void radeon_bo_slab_free(void *priv, struct pb_slab *slab);
     88 
     89 static inline
     90 void radeon_bo_reference(struct radeon_bo **dst, struct radeon_bo *src)
     91 {
     92     pb_reference((struct pb_buffer**)dst, (struct pb_buffer*)src);
     93 }
     94 
     95 void *radeon_bo_do_map(struct radeon_bo *bo);
     96 
     97 #endif
     98