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/amdgpu_drm.h>
27
28struct hmm_range;
29
30struct drm_file;
31
32struct amdgpu_device;
33struct amdgpu_bo;
34struct amdgpu_bo_va;
35struct amdgpu_fpriv;
36
37struct amdgpu_bo_list_entry {
38	struct amdgpu_bo		*bo;
39	struct amdgpu_bo_va		*bo_va;
40	uint32_t			priority;
41	struct amdgpu_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	struct amdgpu_bo_list_entry entries[] __counted_by(num_entries);
59};
60
61int amdgpu_bo_list_get(struct amdgpu_fpriv *fpriv, int id,
62		       struct amdgpu_bo_list **result);
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
73#define amdgpu_bo_list_for_each_entry(e, list) \
74	for (e = list->entries; \
75	     e != &list->entries[list->num_entries]; \
76	     ++e)
77
78#define amdgpu_bo_list_for_each_userptr_entry(e, list) \
79	for (e = &list->entries[list->first_userptr]; \
80	     e != &list->entries[list->num_entries]; \
81	     ++e)
82
83#endif