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1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2/* Copyright (c) 2018 Mellanox Technologies. All rights reserved */
3
4#ifndef _OBJAGG_H
5#define _OBJAGG_H
6
7struct objagg_ops {
8 size_t obj_size;
9 void * (*delta_create)(void *priv, void *parent_obj, void *obj);
10 void (*delta_destroy)(void *priv, void *delta_priv);
11 void * (*root_create)(void *priv, void *obj);
12 void (*root_destroy)(void *priv, void *root_priv);
13};
14
15struct objagg;
16struct objagg_obj;
17
18const void *objagg_obj_root_priv(const struct objagg_obj *objagg_obj);
19const void *objagg_obj_delta_priv(const struct objagg_obj *objagg_obj);
20const void *objagg_obj_raw(const struct objagg_obj *objagg_obj);
21
22struct objagg_obj *objagg_obj_get(struct objagg *objagg, void *obj);
23void objagg_obj_put(struct objagg *objagg, struct objagg_obj *objagg_obj);
24struct objagg *objagg_create(const struct objagg_ops *ops, void *priv);
25void objagg_destroy(struct objagg *objagg);
26
27struct objagg_obj_stats {
28 unsigned int user_count;
29 unsigned int delta_user_count; /* includes delta object users */
30};
31
32struct objagg_obj_stats_info {
33 struct objagg_obj_stats stats;
34 struct objagg_obj *objagg_obj; /* associated object */
35 bool is_root;
36};
37
38struct objagg_stats {
39 unsigned int stats_info_count;
40 struct objagg_obj_stats_info stats_info[];
41};
42
43const struct objagg_stats *objagg_stats_get(struct objagg *objagg);
44void objagg_stats_put(const struct objagg_stats *objagg_stats);
45
46#endif