38 lines
884 B
C
38 lines
884 B
C
/*
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* Copyright(c) 2012-2021 Intel Corporation
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* SPDX-License-Identifier: BSD-3-Clause-Clear
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*/
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#ifndef __LAYER_EVICTION_POLICY_H__
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#define __LAYER_EVICTION_POLICY_H__
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#include "ocf/ocf.h"
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#include "ocf_lru.h"
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#include "ocf_lru_structs.h"
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#define OCF_NUM_LRU_LISTS 32
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struct ocf_part;
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struct ocf_user_part;
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struct ocf_part_runtime;
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struct ocf_part_cleaning_ctx;
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struct ocf_request;
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/*
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* Deallocates space according to eviction priorities.
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*
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* @returns:
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* 'LOOKUP_HIT' if evicted enough cachelines to serve @req
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* 'LOOKUP_MISS' otherwise
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*/
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int ocf_space_managment_remap_do(struct ocf_request *req);
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typedef void (*ocf_metadata_actor_t)(struct ocf_cache *cache,
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ocf_cache_line_t cache_line);
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int ocf_metadata_actor(struct ocf_cache *cache,
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ocf_part_id_t part_id, ocf_core_id_t core_id,
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uint64_t start_byte, uint64_t end_byte,
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ocf_metadata_actor_t actor);
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#endif
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