drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.h

   1 /*
   2  * Copyright 2018 Advanced Micro Devices, Inc.
   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 shall be included in
  12  * all copies or substantial portions of the Software.
  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 NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23 #ifndef __AMDGPU_BO_LIST_H__
  24 #define __AMDGPU_BO_LIST_H__
  25
  26 #include <drm/ttm/ttm_execbuf_util.h>
  27 #include <drm/amdgpu_drm.h>
  28
  29 struct amdgpu_device;
  30 struct amdgpu_bo;
  31 struct amdgpu_bo_va;
  32 struct amdgpu_fpriv;
  33
  34 struct amdgpu_bo_list_entry {
  35         struct ttm_validate_buffer      tv;
  36         struct amdgpu_bo_va             *bo_va;
  37         uint32_t                        priority;
  38         struct page                     **user_pages;
  39         int                             user_invalidated;
  40 };
  41
  42 struct amdgpu_bo_list {
  43         struct rcu_head rhead;
  44         struct kref refcount;
  45         struct amdgpu_bo *gds_obj;
  46         struct amdgpu_bo *gws_obj;
  47         struct amdgpu_bo *oa_obj;
  48         unsigned first_userptr;
  49         unsigned num_entries;
  50 };
  51
  52 int amdgpu_bo_list_get(struct amdgpu_fpriv *fpriv, int id,
  53                        struct amdgpu_bo_list **result);
  54 void amdgpu_bo_list_get_list(struct amdgpu_bo_list *list,
  55                              struct list_head *validated);
  56 void amdgpu_bo_list_put(struct amdgpu_bo_list *list);
  57 int amdgpu_bo_create_list_entry_array(struct drm_amdgpu_bo_list_in *in,
  58                                       struct drm_amdgpu_bo_list_entry **info_param);
  59
  60 int amdgpu_bo_list_create(struct amdgpu_device *adev,
  61                                  struct drm_file *filp,
  62                                  struct drm_amdgpu_bo_list_entry *info,
  63                                  unsigned num_entries,
  64                                  struct amdgpu_bo_list **list);
  65
  66 static inline struct amdgpu_bo_list_entry *
  67 amdgpu_bo_list_array_entry(struct amdgpu_bo_list *list, unsigned index)
  68 {
  69         struct amdgpu_bo_list_entry *array = (void *)&list[1];
  70
  71         return &array[index];
  72 }
  73
  74 #define amdgpu_bo_list_for_each_entry(e, list) \
  75         for (e = amdgpu_bo_list_array_entry(list, 0); \
  76              e != amdgpu_bo_list_array_entry(list, (list)->num_entries); \
  77              ++e)
  78
  79 #define amdgpu_bo_list_for_each_userptr_entry(e, list) \
  80         for (e = amdgpu_bo_list_array_entry(list, (list)->first_userptr); \
  81              e != amdgpu_bo_list_array_entry(list, (list)->num_entries); \
  82              ++e)
  83
  84 #endif