105 lines
2.3 KiB
C
105 lines
2.3 KiB
C
/*
|
|
* Copyright(c) 2012-2018 Intel Corporation
|
|
* SPDX-License-Identifier: BSD-3-Clause-Clear
|
|
*/
|
|
|
|
#ifndef __OCF_CORE_PRIV_H__
|
|
#define __OCF_CORE_PRIV_H__
|
|
|
|
#include "ocf/ocf.h"
|
|
#include "ocf_env.h"
|
|
#include "ocf_ctx_priv.h"
|
|
#include "ocf_volume_priv.h"
|
|
|
|
#define ocf_core_log_prefix(core, lvl, prefix, fmt, ...) \
|
|
ocf_cache_log_prefix(ocf_core_get_cache(core), lvl, ".%s" prefix, \
|
|
fmt, ocf_core_get_name(core), ##__VA_ARGS__)
|
|
|
|
#define ocf_core_log(core, lvl, fmt, ...) \
|
|
ocf_core_log_prefix(core, lvl, ": ", fmt, ##__VA_ARGS__)
|
|
|
|
struct ocf_metadata_uuid {
|
|
uint32_t size;
|
|
uint8_t data[OCF_VOLUME_UUID_MAX_SIZE];
|
|
} __packed;
|
|
|
|
#define OCF_CORE_USER_DATA_SIZE 64
|
|
|
|
struct ocf_core_meta_config {
|
|
char name[OCF_CORE_NAME_SIZE];
|
|
|
|
uint8_t type;
|
|
|
|
/* This bit means that object was saved in cache metadata */
|
|
uint32_t valid : 1;
|
|
|
|
/* Core sequence number used to correlate cache lines with cores
|
|
* when recovering from atomic device */
|
|
ocf_seq_no_t seq_no;
|
|
|
|
/* Sequential cutoff threshold (in bytes) */
|
|
uint32_t seq_cutoff_threshold;
|
|
|
|
/* Sequential cutoff policy */
|
|
ocf_seq_cutoff_policy seq_cutoff_policy;
|
|
|
|
/* core object size in bytes */
|
|
uint64_t length;
|
|
|
|
uint8_t user_data[OCF_CORE_USER_DATA_SIZE];
|
|
};
|
|
|
|
struct ocf_core_meta_runtime {
|
|
/* Number of blocks from that objects that currently are cached
|
|
* on the caching device.
|
|
*/
|
|
env_atomic cached_clines;
|
|
env_atomic dirty_clines;
|
|
env_atomic initial_dirty_clines;
|
|
|
|
env_atomic64 dirty_since;
|
|
|
|
struct {
|
|
/* clines within lru list (?) */
|
|
env_atomic cached_clines;
|
|
/* dirty clines assigned to this specific partition within
|
|
* cache device
|
|
*/
|
|
env_atomic dirty_clines;
|
|
} part_counters[OCF_IO_CLASS_MAX];
|
|
};
|
|
|
|
|
|
struct ocf_core {
|
|
struct ocf_volume front_volume;
|
|
struct ocf_volume volume;
|
|
|
|
struct ocf_core_meta_config *conf_meta;
|
|
struct ocf_core_meta_runtime *runtime_meta;
|
|
|
|
struct {
|
|
uint64_t last;
|
|
uint64_t bytes;
|
|
int rw;
|
|
} seq_cutoff;
|
|
|
|
env_atomic flushed;
|
|
|
|
/* This bit means that object is open */
|
|
uint32_t opened : 1;
|
|
/* This bit means that core is added into cache */
|
|
uint32_t added : 1;
|
|
|
|
struct ocf_counters_core *counters;
|
|
|
|
void *priv;
|
|
};
|
|
|
|
bool ocf_core_is_valid(ocf_cache_t cache, ocf_core_id_t id);
|
|
|
|
ocf_core_id_t ocf_core_get_id(ocf_core_t core);
|
|
|
|
int ocf_core_volume_type_init(ocf_ctx_t ctx);
|
|
|
|
#endif /* __OCF_CORE_PRIV_H__ */
|