f72b92211d
Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com> Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
112 lines
2.6 KiB
C
112 lines
2.6 KiB
C
/*
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* Copyright(c) 2012-2021 Intel Corporation
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* Copyright(c) 2024 Huawei Technologies
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef __OCF_CORE_PRIV_H__
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#define __OCF_CORE_PRIV_H__
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#include "ocf/ocf.h"
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#include "ocf_env.h"
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#include "ocf_ctx_priv.h"
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#include "ocf_volume_priv.h"
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#include "ocf_seq_cutoff.h"
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#define ocf_core_log_prefix(core, lvl, prefix, fmt, ...) \
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ocf_cache_log_prefix(ocf_core_get_cache(core), lvl, ".%s" prefix, \
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fmt, ocf_core_get_name(core), ##__VA_ARGS__)
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#define ocf_core_log(core, lvl, fmt, ...) \
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ocf_core_log_prefix(core, lvl, ": ", fmt, ##__VA_ARGS__)
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struct ocf_metadata_uuid {
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uint32_t size;
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uint8_t data[OCF_VOLUME_UUID_MAX_SIZE];
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} __packed;
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#define OCF_CORE_USER_DATA_SIZE 64
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struct ocf_core_meta_config {
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char name[OCF_CORE_NAME_SIZE];
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uint8_t type;
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/* This bit means that object was saved in cache metadata */
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uint32_t valid : 1;
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/* Core sequence number used to correlate cache lines with cores
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* when recovering from atomic device */
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ocf_seq_no_t seq_no;
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/* Sequential cutoff threshold (in bytes) */
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env_atomic seq_cutoff_threshold;
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/* Sequential cutoff policy */
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env_atomic seq_cutoff_policy;
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/* Sequential cutoff stream promotion request count */
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env_atomic seq_cutoff_promo_count;
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/* Sequential cutoff stream promote on threshold */
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env_atomic seq_cutoff_promote_on_threshold;
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/* core object size in bytes */
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uint64_t length;
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uint8_t user_data[OCF_CORE_USER_DATA_SIZE];
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};
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struct ocf_core_meta_runtime {
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/* Number of blocks from that objects that currently are cached
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* on the caching device.
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*/
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env_atomic cached_clines;
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env_atomic dirty_clines;
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env_atomic initial_dirty_clines;
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env_atomic64 dirty_since;
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struct {
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/* clines within lru list (?) */
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env_atomic cached_clines;
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/* dirty clines assigned to this specific partition within
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* cache device
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*/
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env_atomic dirty_clines;
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} part_counters[OCF_USER_IO_CLASS_MAX];
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};
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struct ocf_core {
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struct ocf_volume front_volume;
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struct ocf_volume volume;
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struct ocf_core_meta_config *conf_meta;
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struct ocf_core_meta_runtime *runtime_meta;
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struct ocf_seq_cutoff *seq_cutoff;
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env_atomic flushed;
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/* This bit means that core volume is initialized */
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uint32_t has_volume : 1;
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/* This bit means that core volume is open */
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uint32_t opened : 1;
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/* This bit means that core is added into cache */
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uint32_t added : 1;
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struct ocf_counters_core *counters;
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void *priv;
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};
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bool ocf_core_is_valid(ocf_cache_t cache, ocf_core_id_t id);
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ocf_core_id_t ocf_core_get_id(ocf_core_t core);
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int ocf_core_volume_type_init(ocf_ctx_t ctx);
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struct ocf_request *ocf_io_to_req(ocf_io_t io);
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#endif /* __OCF_CORE_PRIV_H__ */
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