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 | |
7 | struct objagg_ops { |
8 | size_t obj_size; |
9 | bool (*delta_check)(void *priv, const void *parent_obj, |
10 | const void *obj); |
11 | int (*hints_obj_cmp)(const void *obj1, const void *obj2); |
12 | void * (*delta_create)(void *priv, void *parent_obj, void *obj); |
13 | void (*delta_destroy)(void *priv, void *delta_priv); |
14 | void * (*root_create)(void *priv, void *obj, unsigned int root_id); |
15 | #define OBJAGG_OBJ_ROOT_ID_INVALID UINT_MAX |
16 | void (*root_destroy)(void *priv, void *root_priv); |
17 | }; |
18 | |
19 | struct objagg; |
20 | struct objagg_obj; |
21 | struct objagg_hints; |
22 | |
23 | const void *objagg_obj_root_priv(const struct objagg_obj *objagg_obj); |
24 | const void *objagg_obj_delta_priv(const struct objagg_obj *objagg_obj); |
25 | const void *objagg_obj_raw(const struct objagg_obj *objagg_obj); |
26 | |
27 | struct objagg_obj *objagg_obj_get(struct objagg *objagg, void *obj); |
28 | void objagg_obj_put(struct objagg *objagg, struct objagg_obj *objagg_obj); |
29 | struct objagg *objagg_create(const struct objagg_ops *ops, |
30 | struct objagg_hints *hints, void *priv); |
31 | void objagg_destroy(struct objagg *objagg); |
32 | |
33 | struct objagg_obj_stats { |
34 | unsigned int user_count; |
35 | unsigned int delta_user_count; /* includes delta object users */ |
36 | }; |
37 | |
38 | struct objagg_obj_stats_info { |
39 | struct objagg_obj_stats stats; |
40 | struct objagg_obj *objagg_obj; /* associated object */ |
41 | bool is_root; |
42 | }; |
43 | |
44 | struct objagg_stats { |
45 | unsigned int root_count; |
46 | unsigned int stats_info_count; |
47 | struct objagg_obj_stats_info stats_info[]; |
48 | }; |
49 | |
50 | const struct objagg_stats *objagg_stats_get(struct objagg *objagg); |
51 | void objagg_stats_put(const struct objagg_stats *objagg_stats); |
52 | |
53 | enum objagg_opt_algo_type { |
54 | OBJAGG_OPT_ALGO_SIMPLE_GREEDY, |
55 | }; |
56 | |
57 | struct objagg_hints *objagg_hints_get(struct objagg *objagg, |
58 | enum objagg_opt_algo_type opt_algo_type); |
59 | void objagg_hints_put(struct objagg_hints *objagg_hints); |
60 | const struct objagg_stats * |
61 | objagg_hints_stats_get(struct objagg_hints *objagg_hints); |
62 | |
63 | #endif |
64 | |