tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
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 hmm_range;
30
31struct amdgpu_device;
32struct amdgpu_bo;
33struct amdgpu_bo_va;
34struct amdgpu_fpriv;
35
36struct amdgpu_bo_list_entry {
37 struct ttm_validate_buffer tv;
38 struct amdgpu_bo_va *bo_va;
39 uint32_t priority;
40 struct page **user_pages;
41 struct hmm_range *range;
42 bool user_invalidated;
43};
44
45struct amdgpu_bo_list {
46 struct rcu_head rhead;
47 struct kref refcount;
48 struct amdgpu_bo *gds_obj;
49 struct amdgpu_bo *gws_obj;
50 struct amdgpu_bo *oa_obj;
51 unsigned first_userptr;
52 unsigned num_entries;
53
54 /* Protect access during command submission.
55 */
56 struct mutex bo_list_mutex;
57};
58
59int amdgpu_bo_list_get(struct amdgpu_fpriv *fpriv, int id,
60 struct amdgpu_bo_list **result);
61void amdgpu_bo_list_get_list(struct amdgpu_bo_list *list,
62 struct list_head *validated);
63void amdgpu_bo_list_put(struct amdgpu_bo_list *list);
64int amdgpu_bo_create_list_entry_array(struct drm_amdgpu_bo_list_in *in,
65 struct drm_amdgpu_bo_list_entry **info_param);
66
67int amdgpu_bo_list_create(struct amdgpu_device *adev,
68 struct drm_file *filp,
69 struct drm_amdgpu_bo_list_entry *info,
70 size_t num_entries,
71 struct amdgpu_bo_list **list);
72
73static inline struct amdgpu_bo_list_entry *
74amdgpu_bo_list_array_entry(struct amdgpu_bo_list *list, unsigned index)
75{
76 struct amdgpu_bo_list_entry *array = (void *)&list[1];
77
78 return &array[index];
79}
80
81#define amdgpu_bo_list_for_each_entry(e, list) \
82 for (e = amdgpu_bo_list_array_entry(list, 0); \
83 e != amdgpu_bo_list_array_entry(list, (list)->num_entries); \
84 ++e)
85
86#define amdgpu_bo_list_for_each_userptr_entry(e, list) \
87 for (e = amdgpu_bo_list_array_entry(list, (list)->first_userptr); \
88 e != amdgpu_bo_list_array_entry(list, (list)->num_entries); \
89 ++e)
90
91#endif