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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_H5#define _OBJAGG_H6 7struct 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_MAX15 void (*root_destroy)(void *priv, void *root_priv);16};17 18struct objagg;19struct objagg_obj;20struct objagg_hints;21 22const void *objagg_obj_root_priv(const struct objagg_obj *objagg_obj);23const void *objagg_obj_delta_priv(const struct objagg_obj *objagg_obj);24const void *objagg_obj_raw(const struct objagg_obj *objagg_obj);25 26struct objagg_obj *objagg_obj_get(struct objagg *objagg, void *obj);27void objagg_obj_put(struct objagg *objagg, struct objagg_obj *objagg_obj);28struct objagg *objagg_create(const struct objagg_ops *ops,29 struct objagg_hints *hints, void *priv);30void objagg_destroy(struct objagg *objagg);31 32struct objagg_obj_stats {33 unsigned int user_count;34 unsigned int delta_user_count; /* includes delta object users */35};36 37struct objagg_obj_stats_info {38 struct objagg_obj_stats stats;39 struct objagg_obj *objagg_obj; /* associated object */40 bool is_root;41};42 43struct objagg_stats {44 unsigned int root_count;45 unsigned int stats_info_count;46 struct objagg_obj_stats_info stats_info[];47};48 49const struct objagg_stats *objagg_stats_get(struct objagg *objagg);50void objagg_stats_put(const struct objagg_stats *objagg_stats);51 52enum objagg_opt_algo_type {53 OBJAGG_OPT_ALGO_SIMPLE_GREEDY,54};55 56struct objagg_hints *objagg_hints_get(struct objagg *objagg,57 enum objagg_opt_algo_type opt_algo_type);58void objagg_hints_put(struct objagg_hints *objagg_hints);59const struct objagg_stats *60objagg_hints_stats_get(struct objagg_hints *objagg_hints);61 62#endif63