118 lines
2.6 KiB
C
118 lines
2.6 KiB
C
/*
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* Copyright(c) 2012-2018 Intel Corporation
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* SPDX-License-Identifier: BSD-3-Clause-Clear
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*/
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#ifndef __UTILS_PARTITION_H__
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#define __UTILS_PARTITION_H__
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#include "../ocf_request.h"
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#include "../engine/cache_engine.h"
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#include "../metadata/metadata_partition.h"
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void ocf_part_init(struct ocf_cache *cache);
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static inline bool ocf_part_is_valid(struct ocf_user_part *part)
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{
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return !!part->config->flags.valid;
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}
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static inline void ocf_part_set_prio(struct ocf_cache *cache,
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struct ocf_user_part *part, int16_t prio)
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{
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if (part->config->priority != prio)
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part->config->priority = prio;
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}
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static inline int16_t ocf_part_get_prio(struct ocf_cache *cache,
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ocf_part_id_t part_id)
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{
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if (part_id < OCF_IO_CLASS_MAX)
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return cache->user_parts[part_id].config->priority;
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return OCF_IO_CLASS_PRIO_LOWEST;
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}
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void ocf_part_set_valid(struct ocf_cache *cache, ocf_part_id_t id,
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bool valid);
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static inline bool ocf_part_is_added(struct ocf_user_part *part)
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{
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return !!part->config->flags.added;
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}
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static inline ocf_part_id_t ocf_part_class2id(ocf_cache_t cache, uint64_t class)
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{
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if (class < OCF_IO_CLASS_MAX)
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if (cache->user_parts[class].config->flags.valid)
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return class;
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return PARTITION_DEFAULT;
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}
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void ocf_part_move(struct ocf_request *req);
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#define for_each_part(cache, part, id) \
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for_each_lst_entry(&cache->lst_part, part, id, \
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struct ocf_user_part, lst_valid)
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static inline void ocf_part_sort(struct ocf_cache *cache)
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{
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ocf_lst_sort(&cache->lst_part);
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}
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static inline ocf_cache_mode_t ocf_part_get_cache_mode(struct ocf_cache *cache,
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ocf_part_id_t part_id)
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{
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if (part_id < OCF_IO_CLASS_MAX)
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return cache->user_parts[part_id].config->cache_mode;
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return ocf_cache_mode_none;
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}
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static inline bool ocf_part_is_prio_valid(int64_t prio)
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{
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switch (prio) {
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case OCF_IO_CLASS_PRIO_HIGHEST ... OCF_IO_CLASS_PRIO_LOWEST:
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case OCF_IO_CLASS_PRIO_PINNED:
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return true;
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default:
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return false;
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}
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}
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/**
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* routine checks for validity of a partition name.
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*
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* Following condition is checked:
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* - string too long
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* - string containing invalid characters (outside of low ascii)
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* Following condition is NOT cheched:
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* - empty string. (empty string is NOT a valid partition name, but
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* this function returns true on empty string nevertheless).
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*
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* @return returns true if partition name is a valid name
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*/
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static inline bool ocf_part_is_name_valid(const char *name)
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{
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uint32_t length = 0;
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while (*name) {
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if (*name < ' ' || *name > '~')
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return false;
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if (',' == *name || '"' == *name)
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return false;
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name++;
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length++;
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if (length >= OCF_IO_CLASS_NAME_MAX)
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return false;
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}
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return true;
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}
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#endif /* __UTILS_PARTITION_H__ */
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