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
29struct amdgpu_device;
30struct amdgpu_bo;
31struct amdgpu_bo_va;
32struct amdgpu_fpriv;
33
34struct 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
42struct 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
56int amdgpu_bo_list_get(struct amdgpu_fpriv *fpriv, int id,
57 struct amdgpu_bo_list **result);
58void amdgpu_bo_list_get_list(struct amdgpu_bo_list *list,
59 struct list_head *validated);
60void amdgpu_bo_list_put(struct amdgpu_bo_list *list);
61int amdgpu_bo_create_list_entry_array(struct drm_amdgpu_bo_list_in *in,
62 struct drm_amdgpu_bo_list_entry **info_param);
63
64int 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
70static inline struct amdgpu_bo_list_entry *
71amdgpu_bo_list_array_entry(struct amdgpu_bo_list *list, unsigned index)
72{
73 struct amdgpu_bo_list_entry *array = (void *)&list[1];
74
75 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
89

source code of linux/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.h