objagg.h (2042B)
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 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 19struct objagg; 20struct objagg_obj; 21struct objagg_hints; 22 23const void *objagg_obj_root_priv(const struct objagg_obj *objagg_obj); 24const void *objagg_obj_delta_priv(const struct objagg_obj *objagg_obj); 25const void *objagg_obj_raw(const struct objagg_obj *objagg_obj); 26 27struct objagg_obj *objagg_obj_get(struct objagg *objagg, void *obj); 28void objagg_obj_put(struct objagg *objagg, struct objagg_obj *objagg_obj); 29struct objagg *objagg_create(const struct objagg_ops *ops, 30 struct objagg_hints *hints, void *priv); 31void objagg_destroy(struct objagg *objagg); 32 33struct objagg_obj_stats { 34 unsigned int user_count; 35 unsigned int delta_user_count; /* includes delta object users */ 36}; 37 38struct objagg_obj_stats_info { 39 struct objagg_obj_stats stats; 40 struct objagg_obj *objagg_obj; /* associated object */ 41 bool is_root; 42}; 43 44struct objagg_stats { 45 unsigned int root_count; 46 unsigned int stats_info_count; 47 struct objagg_obj_stats_info stats_info[]; 48}; 49 50const struct objagg_stats *objagg_stats_get(struct objagg *objagg); 51void objagg_stats_put(const struct objagg_stats *objagg_stats); 52 53enum objagg_opt_algo_type { 54 OBJAGG_OPT_ALGO_SIMPLE_GREEDY, 55}; 56 57struct objagg_hints *objagg_hints_get(struct objagg *objagg, 58 enum objagg_opt_algo_type opt_algo_type); 59void objagg_hints_put(struct objagg_hints *objagg_hints); 60const struct objagg_stats * 61objagg_hints_stats_get(struct objagg_hints *objagg_hints); 62 63#endif