Line data    Source code

       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             :         bool                            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             :         /* Protect access during command submission.
      52             :          */
      53             :         struct mutex bo_list_mutex;
      54             : };
      55             : 
      56             : int amdgpu_bo_list_get(struct amdgpu_fpriv *fpriv, int id,
      57             :                        struct amdgpu_bo_list **result);
      58             : void amdgpu_bo_list_get_list(struct amdgpu_bo_list *list,
      59             :                              struct list_head *validated);
      60             : void amdgpu_bo_list_put(struct amdgpu_bo_list *list);
      61             : int amdgpu_bo_create_list_entry_array(struct drm_amdgpu_bo_list_in *in,
      62             :                                       struct drm_amdgpu_bo_list_entry **info_param);
      63             : 
      64             : int amdgpu_bo_list_create(struct amdgpu_device *adev,
      65             :                                  struct drm_file *filp,
      66             :                                  struct drm_amdgpu_bo_list_entry *info,
      67             :                                  size_t num_entries,
      68             :                                  struct amdgpu_bo_list **list);
      69             : 
      70             : static inline struct amdgpu_bo_list_entry *
      71             : amdgpu_bo_list_array_entry(struct amdgpu_bo_list *list, unsigned index)
      72             : {
      73           0 :         struct amdgpu_bo_list_entry *array = (void *)&list[1];
      74             : 
      75           0 :         return &array[index];
      76             : }
      77             : 
      78             : #define amdgpu_bo_list_for_each_entry(e, list) \
      79             :         for (e = amdgpu_bo_list_array_entry(list, 0); \
      80             :              e != amdgpu_bo_list_array_entry(list, (list)->num_entries); \
      81             :              ++e)
      82             : 
      83             : #define amdgpu_bo_list_for_each_userptr_entry(e, list) \
      84             :         for (e = amdgpu_bo_list_array_entry(list, (list)->first_userptr); \
      85             :              e != amdgpu_bo_list_array_entry(list, (list)->num_entries); \
      86             :              ++e)
      87             : 
      88             : #endif