/*
 * Copyright(c) 2012-2021 Intel Corporation
 * SPDX-License-Identifier: BSD-3-Clause
 */
#ifndef __EVICTION_LRU_H__
#define __EVICTION_LRU_H__

#include "ocf_space.h"
#include "ocf_lru_structs.h"

struct ocf_part;
struct ocf_user_part;
struct ocf_part_runtime;
struct ocf_part_cleaning_ctx;
struct ocf_request;

void ocf_lru_init_cline(ocf_cache_t cache, ocf_cache_line_t cline);
void ocf_lru_rm_cline(struct ocf_cache *cache, ocf_cache_line_t cline);
bool ocf_lru_can_evict(struct ocf_cache *cache);
uint32_t ocf_lru_req_clines(struct ocf_request *req,
		struct ocf_part *src_part, uint32_t cline_no);
void ocf_lru_hot_cline(struct ocf_cache *cache, ocf_cache_line_t cline);
void ocf_lru_add(ocf_cache_t cache, ocf_cache_line_t cline);
void ocf_lru_init(struct ocf_cache *cache, struct ocf_part *part);
void ocf_lru_dirty_cline(struct ocf_cache *cache, struct ocf_part *part,
		ocf_cache_line_t cline);
void ocf_lru_clean_cline(struct ocf_cache *cache, struct ocf_part *part,
		ocf_cache_line_t cline);
void ocf_lru_clean(ocf_cache_t cache, struct ocf_user_part *user_part,
		ocf_queue_t io_queue, uint32_t count);
void ocf_lru_repart(ocf_cache_t cache, ocf_cache_line_t cline,
		struct ocf_part *src_upart, struct ocf_part *dst_upart);
void ocf_lru_add_free(ocf_cache_t cache, ocf_cache_line_t cline);
uint32_t ocf_lru_num_free(ocf_cache_t cache);
struct ocf_lru_list *ocf_lru_get_list(struct ocf_part *part,
		uint32_t lru_idx, bool clean);
void ocf_lru_remove_locked(ocf_cache_t cache, struct ocf_lru_list *list,
		ocf_cache_line_t cline);

typedef void (*ocf_lru_populate_end_t)(void *priv, int error);

void ocf_lru_populate(ocf_cache_t cache,
		ocf_lru_populate_end_t cmpl, void *priv);

#endif