src/gallium/winsys/drm/intel/common/ws_dri_bufmgr.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  *          Keith Whitwell <keithw-at-tungstengraphics-dot-com>
  31  */
  32
  33 #ifndef _PSB_BUFMGR_H_
  34 #define _PSB_BUFMGR_H_
  35 #include <xf86mm.h>
  36 #include "i915_drm.h"
  37 #include "ws_dri_fencemgr.h"
  38
  39 typedef struct _drmBONode
  40 {
  41     drmMMListHead head;
  42     drmBO *buf;
  43     struct drm_i915_op_arg bo_arg;
  44     uint64_t arg0;
  45     uint64_t arg1;
  46 } drmBONode;
  47
  48 typedef struct _drmBOList {
  49     unsigned numTarget;
  50     unsigned numCurrent;
  51     unsigned numOnList;
  52     drmMMListHead list;
  53     drmMMListHead free;
  54 } drmBOList;
  55
  56
  57 struct _DriFenceObject;
  58 struct _DriBufferObject;
  59 struct _DriBufferPool;
  60 struct _DriBufferList;
  61
  62 /*
  63  * Return a pointer to the libdrm buffer object this DriBufferObject
  64  * uses.
  65  */
  66
  67 extern drmBO *driBOKernel(struct _DriBufferObject *buf);
  68 extern void *driBOMap(struct _DriBufferObject *buf, unsigned flags,
  69                       unsigned hint);
  70 extern void driBOUnmap(struct _DriBufferObject *buf);
  71 extern unsigned long driBOOffset(struct _DriBufferObject *buf);
  72 extern unsigned long driBOPoolOffset(struct _DriBufferObject *buf);
  73
  74 extern uint64_t driBOFlags(struct _DriBufferObject *buf);
  75 extern struct _DriBufferObject *driBOReference(struct _DriBufferObject *buf);
  76 extern void driBOUnReference(struct _DriBufferObject *buf);
  77
  78 extern int driBOData(struct _DriBufferObject *r_buf,
  79                      unsigned size, const void *data,
  80                      struct _DriBufferPool *pool, uint64_t flags);
  81
  82 extern void driBOSubData(struct _DriBufferObject *buf,
  83                          unsigned long offset, unsigned long size,
  84                          const void *data);
  85 extern void driBOGetSubData(struct _DriBufferObject *buf,
  86                             unsigned long offset, unsigned long size,
  87                             void *data);
  88 extern int driGenBuffers(struct _DriBufferPool *pool,
  89                          const char *name,
  90                          unsigned n,
  91                          struct _DriBufferObject *buffers[],
  92                          unsigned alignment, uint64_t flags, unsigned hint);
  93 extern void driGenUserBuffer(struct _DriBufferPool *pool,
  94                              const char *name,
  95                              struct _DriBufferObject *buffers[],
  96                              void *ptr, unsigned bytes);
  97 extern void driDeleteBuffers(unsigned n, struct _DriBufferObject *buffers[]);
  98 extern void driInitBufMgr(int fd);
  99 extern struct _DriBufferList *driBOCreateList(int target);
 100 extern int driBOResetList(struct _DriBufferList * list);
 101 extern void driBOAddListItem(struct _DriBufferList * list,
 102                              struct _DriBufferObject *buf,
 103                              uint64_t flags, uint64_t mask, int *itemLoc,
 104                              struct _drmBONode **node);
 105
 106 extern void driBOValidateList(int fd, struct _DriBufferList * list);
 107 extern void driBOFreeList(struct _DriBufferList * list);
 108 extern struct _DriFenceObject *driBOFenceUserList(struct _DriFenceMgr *mgr,
 109                                                   struct _DriBufferList *list,
 110                                                   const char *name,
 111                                                   drmFence *kFence);
 112 extern void driBOUnrefUserList(struct _DriBufferList *list);
 113 extern void driBOValidateUserList(struct _DriBufferList * list);
 114 extern drmBOList *driGetdrmBOList(struct _DriBufferList *list);
 115 extern void driPutdrmBOList(struct _DriBufferList *list);
 116
 117 extern void driBOFence(struct _DriBufferObject *buf,
 118                        struct _DriFenceObject *fence);
 119
 120 extern void driPoolTakeDown(struct _DriBufferPool *pool);
 121 extern void driBOSetReferenced(struct _DriBufferObject *buf,
 122                                unsigned long handle);
 123 unsigned long driBOSize(struct _DriBufferObject *buf);
 124 extern void driBOWaitIdle(struct _DriBufferObject *buf, int lazy);
 125 extern void driPoolTakeDown(struct _DriBufferPool *pool);
 126
 127 extern void driReadLockKernelBO(void);
 128 extern void driReadUnlockKernelBO(void);
 129 extern void driWriteLockKernelBO(void);
 130 extern void driWriteUnlockKernelBO(void);
 131
 132 /*
 133  * For debugging purposes.
 134  */
 135
 136 extern drmBOList *driBOGetDRMBuffers(struct _DriBufferList *list);
 137 extern drmBOList *driBOGetDRIBuffers(struct _DriBufferList *list);
 138 #endif