ceph/src/spdk/ocf/src/metadata/metadata_partition.h

   1 /*
   2  * Copyright(c) 2012-2018 Intel Corporation
   3  * SPDX-License-Identifier: BSD-3-Clause-Clear
   4  */
   5
   6 #ifndef __METADATA_PARTITION_H__
   7 #define __METADATA_PARTITION_H__
   8
   9 #include "metadata_partition_structs.h"
  10 #include "../ocf_cache_priv.h"
  11
  12 #define PARTITION_DEFAULT               0
  13 #define PARTITION_INVALID               ((ocf_part_id_t)-1)
  14 #define PARTITION_SIZE_MAX              ((ocf_cache_line_t)-1)
  15
  16 static inline void ocf_metadata_get_partition_info(
  17                 struct ocf_cache *cache, ocf_cache_line_t line,
  18                 ocf_part_id_t *part_id, ocf_cache_line_t *next_line,
  19                 ocf_cache_line_t *prev_line)
  20 {
  21         cache->metadata.iface.get_partition_info(cache, line, part_id,
  22                         next_line, prev_line);
  23 }
  24
  25 static inline ocf_part_id_t ocf_metadata_get_partition_id(
  26                 struct ocf_cache *cache, ocf_cache_line_t line)
  27 {
  28         ocf_part_id_t part_id;
  29
  30         ocf_metadata_get_partition_info(cache, line, &part_id, NULL, NULL);
  31
  32         return part_id;
  33 }
  34
  35 static inline ocf_cache_line_t ocf_metadata_get_partition_next(
  36                 struct ocf_cache *cache, ocf_cache_line_t line)
  37 {
  38         ocf_cache_line_t next;
  39
  40         ocf_metadata_get_partition_info(cache, line, NULL, &next, NULL);
  41
  42         return next;
  43 }
  44
  45 static inline ocf_cache_line_t ocf_metadata_get_partition_prev(
  46                 struct ocf_cache *cache, ocf_cache_line_t line)
  47 {
  48         ocf_cache_line_t prev;
  49
  50         ocf_metadata_get_partition_info(cache, line, NULL, NULL, &prev);
  51
  52         return prev;
  53 }
  54
  55 static inline void ocf_metadata_set_partition_next(
  56                 struct ocf_cache *cache, ocf_cache_line_t line,
  57                 ocf_cache_line_t next_line)
  58 {
  59         cache->metadata.iface.set_partition_next(cache, line, next_line);
  60 }
  61
  62 static inline void ocf_metadata_set_partition_prev(
  63                 struct ocf_cache *cache, ocf_cache_line_t line,
  64                 ocf_cache_line_t prev_line)
  65 {
  66         cache->metadata.iface.set_partition_prev(cache, line, prev_line);
  67 }
  68
  69 static inline void ocf_metadata_set_partition_info(
  70                 struct ocf_cache *cache, ocf_cache_line_t line,
  71                 ocf_part_id_t part_id, ocf_cache_line_t next_line,
  72                 ocf_cache_line_t prev_line)
  73 {
  74         cache->metadata.iface.set_partition_info(cache, line, part_id,
  75                         next_line, prev_line);
  76 }
  77
  78 void ocf_metadata_add_to_partition(struct ocf_cache *cache,
  79                 ocf_part_id_t part_id, ocf_cache_line_t line);
  80
  81 void ocf_metadata_remove_from_partition(struct ocf_cache *cache,
  82                 ocf_part_id_t part_id, ocf_cache_line_t line);
  83
  84 #endif /* __METADATA_PARTITION_H__ */