src/gallium/winsys/drm/intel/common/ws_dri_bufpool.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * 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, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  18  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  19  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  20  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  26  *
  27  **************************************************************************/
  28 /*
  29  * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
  30  */
  31
  32 #ifndef _PSB_BUFPOOL_H_
  33 #define _PSB_BUFPOOL_H_
  34
  35 #include <xf86drm.h>
  36 #include "pipe/p_thread.h"
  37 struct _DriFenceObject;
  38
  39 typedef struct _DriBufferPool
  40 {
  41    int fd;
  42    int (*map) (struct _DriBufferPool * pool, void *private,
  43                unsigned flags, int hint, pipe_mutex *mutex,
  44                void **virtual);
  45    int (*unmap) (struct _DriBufferPool * pool, void *private);
  46    int (*destroy) (struct _DriBufferPool * pool, void *private);
  47    unsigned long (*offset) (struct _DriBufferPool * pool, void *private);
  48    unsigned long (*poolOffset) (struct _DriBufferPool * pool, void *private);
  49    uint64_t (*flags) (struct _DriBufferPool * pool, void *private);
  50    unsigned long (*size) (struct _DriBufferPool * pool, void *private);
  51    void *(*create) (struct _DriBufferPool * pool, unsigned long size,
  52                     uint64_t flags, unsigned hint, unsigned alignment);
  53    void *(*reference) (struct _DriBufferPool * pool, unsigned handle);
  54    int (*unreference) (struct _DriBufferPool * pool, void *private);
  55    int (*fence) (struct _DriBufferPool * pool, void *private,
  56                  struct _DriFenceObject * fence);
  57    drmBO *(*kernel) (struct _DriBufferPool * pool, void *private);
  58    int (*validate) (struct _DriBufferPool * pool, void *private, pipe_mutex *mutex);
  59    int (*waitIdle) (struct _DriBufferPool *pool, void *private, pipe_mutex *mutex,
  60                     int lazy);
  61    int (*setStatus)  (struct _DriBufferPool *pool, void *private,
  62                       uint64_t flag_diff, uint64_t old_flags);
  63    void (*takeDown) (struct _DriBufferPool * pool);
  64    void *data;
  65 } DriBufferPool;
  66
  67 extern void bmError(int val, const char *file, const char *function,
  68                     int line);
  69 #define BM_CKFATAL(val)                                        \
  70   do{                                                          \
  71     int tstVal = (val);                                        \
  72     if (tstVal)                                                \
  73       bmError(tstVal, __FILE__, __FUNCTION__, __LINE__);       \
  74   } while(0);
  75
  76
  77 /*
  78  * Builtin pools.
  79  */
  80
  81 /*
  82  * Kernel buffer objects. Size in multiples of page size. Page size aligned.
  83  */
  84
  85 extern struct _DriBufferPool *driDRMPoolInit(int fd);
  86 extern struct _DriBufferPool *driMallocPoolInit(void);
  87
  88 struct _DriFreeSlabManager;
  89 extern struct _DriBufferPool * driSlabPoolInit(int fd, uint64_t flags,
  90                                                uint64_t validMask,
  91                                                uint32_t smallestSize,
  92                                                uint32_t numSizes,
  93                                                uint32_t desiredNumBuffers,
  94                                                uint32_t maxSlabSize,
  95                                                uint32_t pageAlignment,
  96                                                struct _DriFreeSlabManager *fMan);
  97 extern void driFinishFreeSlabManager(struct _DriFreeSlabManager *fMan);
  98 extern struct _DriFreeSlabManager *
  99 driInitFreeSlabManager(uint32_t checkIntervalMsec, uint32_t slabTimeoutMsec);
 100
 101
 102 #endif