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