src/mesa/drivers/dri/i965/brw_bufmgr.h

   1 /*
   2  * Copyright © 2008-2012 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  * Authors:
  24  *    Eric Anholt <eric@anholt.net>
  25  *
  26  */
  27
  28 /**
  29  * @file brw_bufmgr.h
  30  *
  31  * Public definitions of Intel-specific bufmgr functions.
  32  */
  33
  34 #ifndef INTEL_BUFMGR_H
  35 #define INTEL_BUFMGR_H
  36
  37 #include <stdio.h>
  38 #include <stdint.h>
  39 #include <stdio.h>
  40
  41 #if defined(__cplusplus)
  42 extern "C" {
  43 #endif
  44
  45 struct drm_clip_rect;
  46
  47 typedef struct _drm_bacon_bufmgr drm_bacon_bufmgr;
  48 typedef struct _drm_bacon_context drm_bacon_context;
  49 typedef struct _drm_bacon_bo drm_bacon_bo;
  50
  51 struct _drm_bacon_bo {
  52         /**
  53          * Size in bytes of the buffer object.
  54          *
  55          * The size may be larger than the size originally requested for the
  56          * allocation, such as being aligned to page size.
  57          */
  58         unsigned long size;
  59
  60         /**
  61          * Alignment requirement for object
  62          *
  63          * Used for GTT mapping & pinning the object.
  64          */
  65         unsigned long align;
  66
  67         /**
  68          * Deprecated field containing (possibly the low 32-bits of) the last
  69          * seen virtual card address.  Use offset64 instead.
  70          */
  71         unsigned long offset;
  72
  73         /**
  74          * Virtual address for accessing the buffer data.  Only valid while
  75          * mapped.
  76          */
  77 #ifdef __cplusplus
  78         void *virt;
  79 #else
  80         void *virtual;
  81 #endif
  82
  83         /** Buffer manager context associated with this buffer object */
  84         drm_bacon_bufmgr *bufmgr;
  85
  86         /**
  87          * MM-specific handle for accessing object
  88          */
  89         int handle;
  90
  91         /**
  92          * Last seen card virtual address (offset from the beginning of the
  93          * aperture) for the object.  This should be used to fill relocation
  94          * entries when calling drm_bacon_bo_emit_reloc()
  95          */
  96         uint64_t offset64;
  97 };
  98
  99 #define BO_ALLOC_FOR_RENDER (1<<0)
 100
 101 drm_bacon_bo *drm_bacon_bo_alloc(drm_bacon_bufmgr *bufmgr, const char *name,
 102                                  unsigned long size, unsigned int alignment);
 103 drm_bacon_bo *drm_bacon_bo_alloc_for_render(drm_bacon_bufmgr *bufmgr,
 104                                             const char *name,
 105                                             unsigned long size,
 106                                             unsigned int alignment);
 107 drm_bacon_bo *drm_bacon_bo_alloc_userptr(drm_bacon_bufmgr *bufmgr,
 108                                         const char *name,
 109                                         void *addr, uint32_t tiling_mode,
 110                                         uint32_t stride, unsigned long size,
 111                                         unsigned long flags);
 112 drm_bacon_bo *drm_bacon_bo_alloc_tiled(drm_bacon_bufmgr *bufmgr,
 113                                        const char *name,
 114                                        int x, int y, int cpp,
 115                                        uint32_t *tiling_mode,
 116                                        unsigned long *pitch,
 117                                        unsigned long flags);
 118 void drm_bacon_bo_reference(drm_bacon_bo *bo);
 119 void drm_bacon_bo_unreference(drm_bacon_bo *bo);
 120 int drm_bacon_bo_map(drm_bacon_bo *bo, int write_enable);
 121 int drm_bacon_bo_unmap(drm_bacon_bo *bo);
 122
 123 int drm_bacon_bo_subdata(drm_bacon_bo *bo, unsigned long offset,
 124                          unsigned long size, const void *data);
 125 int drm_bacon_bo_get_subdata(drm_bacon_bo *bo, unsigned long offset,
 126                              unsigned long size, void *data);
 127 void drm_bacon_bo_wait_rendering(drm_bacon_bo *bo);
 128
 129 void drm_bacon_bufmgr_destroy(drm_bacon_bufmgr *bufmgr);
 130 int drm_bacon_bo_exec(drm_bacon_bo *bo, int used,
 131                       struct drm_clip_rect *cliprects, int num_cliprects, int DR4);
 132 int drm_bacon_bo_mrb_exec(drm_bacon_bo *bo, int used,
 133                         struct drm_clip_rect *cliprects, int num_cliprects, int DR4,
 134                         unsigned int flags);
 135 int drm_bacon_bufmgr_check_aperture_space(drm_bacon_bo ** bo_array, int count);
 136
 137 int drm_bacon_bo_emit_reloc(drm_bacon_bo *bo, uint32_t offset,
 138                             drm_bacon_bo *target_bo, uint32_t target_offset,
 139                             uint32_t read_domains, uint32_t write_domain);
 140 int drm_bacon_bo_set_tiling(drm_bacon_bo *bo, uint32_t * tiling_mode,
 141                             uint32_t stride);
 142 int drm_bacon_bo_get_tiling(drm_bacon_bo *bo, uint32_t * tiling_mode,
 143                             uint32_t * swizzle_mode);
 144 int drm_bacon_bo_flink(drm_bacon_bo *bo, uint32_t * name);
 145 int drm_bacon_bo_busy(drm_bacon_bo *bo);
 146 int drm_bacon_bo_madvise(drm_bacon_bo *bo, int madv);
 147 int drm_bacon_bo_set_softpin_offset(drm_bacon_bo *bo, uint64_t offset);
 148
 149 int drm_bacon_bo_disable_reuse(drm_bacon_bo *bo);
 150 int drm_bacon_bo_is_reusable(drm_bacon_bo *bo);
 151 int drm_bacon_bo_references(drm_bacon_bo *bo, drm_bacon_bo *target_bo);
 152
 153 /* drm_bacon_bufmgr_gem.c */
 154 drm_bacon_bufmgr *drm_bacon_bufmgr_gem_init(int fd, int batch_size);
 155 drm_bacon_bo *drm_bacon_bo_gem_create_from_name(drm_bacon_bufmgr *bufmgr,
 156                                                 const char *name,
 157                                                 unsigned int handle);
 158 void drm_bacon_bufmgr_gem_enable_reuse(drm_bacon_bufmgr *bufmgr);
 159 void drm_bacon_bufmgr_gem_set_vma_cache_size(drm_bacon_bufmgr *bufmgr,
 160                                              int limit);
 161 int drm_bacon_gem_bo_map_unsynchronized(drm_bacon_bo *bo);
 162 int drm_bacon_gem_bo_map_gtt(drm_bacon_bo *bo);
 163
 164 #define HAVE_DRM_INTEL_GEM_BO_DISABLE_IMPLICIT_SYNC 1
 165 int drm_bacon_bufmgr_gem_can_disable_implicit_sync(drm_bacon_bufmgr *bufmgr);
 166 void drm_bacon_gem_bo_disable_implicit_sync(drm_bacon_bo *bo);
 167 void drm_bacon_gem_bo_enable_implicit_sync(drm_bacon_bo *bo);
 168
 169 void *drm_bacon_gem_bo_map__cpu(drm_bacon_bo *bo);
 170 void *drm_bacon_gem_bo_map__gtt(drm_bacon_bo *bo);
 171 void *drm_bacon_gem_bo_map__wc(drm_bacon_bo *bo);
 172
 173 int drm_bacon_gem_bo_get_reloc_count(drm_bacon_bo *bo);
 174 void drm_bacon_gem_bo_clear_relocs(drm_bacon_bo *bo, int start);
 175 void drm_bacon_gem_bo_start_gtt_access(drm_bacon_bo *bo, int write_enable);
 176
 177 int drm_bacon_bufmgr_gem_get_devid(drm_bacon_bufmgr *bufmgr);
 178 int drm_bacon_gem_bo_wait(drm_bacon_bo *bo, int64_t timeout_ns);
 179
 180 drm_bacon_context *drm_bacon_gem_context_create(drm_bacon_bufmgr *bufmgr);
 181 int drm_bacon_gem_context_get_id(drm_bacon_context *ctx,
 182                                  uint32_t *ctx_id);
 183 void drm_bacon_gem_context_destroy(drm_bacon_context *ctx);
 184 int drm_bacon_gem_bo_context_exec(drm_bacon_bo *bo, drm_bacon_context *ctx,
 185                                   int used, unsigned int flags);
 186 int drm_bacon_gem_bo_fence_exec(drm_bacon_bo *bo,
 187                                 drm_bacon_context *ctx,
 188                                 int used,
 189                                 int in_fence,
 190                                 int *out_fence,
 191                                 unsigned int flags);
 192
 193 int drm_bacon_bo_gem_export_to_prime(drm_bacon_bo *bo, int *prime_fd);
 194 drm_bacon_bo *drm_bacon_bo_gem_create_from_prime(drm_bacon_bufmgr *bufmgr,
 195                                                 int prime_fd, int size);
 196
 197 int drm_bacon_reg_read(drm_bacon_bufmgr *bufmgr,
 198                        uint32_t offset,
 199                        uint64_t *result);
 200
 201 int drm_bacon_get_reset_stats(drm_bacon_context *ctx,
 202                               uint32_t *reset_count,
 203                               uint32_t *active,
 204                               uint32_t *pending);
 205
 206 /** @{ */
 207
 208 #if defined(__cplusplus)
 209 }
 210 #endif
 211
 212 #endif /* INTEL_BUFMGR_H */