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

   1 /*
   2  * Copyright(c) 2012-2018 Intel Corporation
   3  * SPDX-License-Identifier: BSD-3-Clause-Clear
   4  */
   5
   6 #ifndef __METADATA_RAW_DYNAMIC_H__
   7 #define __METADATA_RAW_DYNAMIC_H__
   8
   9 /**
  10  * @file metadata_raw_dynamic.h
  11  * @brief Metadata RAW container implementation for dynamic numbers of elements
  12  */
  13
  14 /*
  15  * RAW DYNAMIC - Initialize
  16  */
  17 int raw_dynamic_init(ocf_cache_t cache,
  18                 ocf_flush_page_synch_t lock_page_pfn,
  19                 ocf_flush_page_synch_t unlock_page_pfn,
  20                 struct ocf_metadata_raw *raw);
  21
  22 /*
  23  * RAW DYNAMIC - De-Initialize
  24  */
  25 int raw_dynamic_deinit(ocf_cache_t cache,
  26                 struct ocf_metadata_raw *raw);
  27
  28 /*
  29  * RAW DYNAMIC - Get size of memory footprint of this RAW metadata container
  30  */
  31 size_t raw_dynamic_size_of(ocf_cache_t cache,
  32                 struct ocf_metadata_raw *raw);
  33
  34 /*
  35  * RAW DYNAMIC Implementation - Size on SSD
  36  */
  37 uint32_t raw_dynamic_size_on_ssd(struct ocf_metadata_raw *raw);
  38
  39 /*
  40  * RAW DYNAMIC Implementation - Checksum
  41  */
  42 uint32_t raw_dynamic_checksum(ocf_cache_t cache,
  43                 struct ocf_metadata_raw *raw);
  44
  45 /*
  46  * RAM DYNAMIC Implementation - Entry page number
  47  */
  48 uint32_t raw_dynamic_page(struct ocf_metadata_raw *raw, uint32_t entry);
  49
  50 /*
  51  * RAW DYNAMIC - Get specified entry
  52  */
  53 int raw_dynamic_get(ocf_cache_t cache, struct ocf_metadata_raw *raw,
  54                 uint32_t entry, void *data);
  55
  56 /*
  57  * RAW DYNAMIC - Set specified entry
  58  */
  59 int raw_dynamic_set(ocf_cache_t cache, struct ocf_metadata_raw *raw,
  60                 uint32_t entry, void *data);
  61
  62 /*
  63  * RAW DYNAMIC - Write access for specified entry
  64  */
  65 void *raw_dynamic_access(ocf_cache_t cache,
  66                 struct ocf_metadata_raw *raw, uint32_t entry);
  67
  68 /*
  69  * RAW DYNAMIC - Load all metadata of this RAW metadata container
  70  * from cache device
  71  */
  72 void raw_dynamic_load_all(ocf_cache_t cache, struct ocf_metadata_raw *raw,
  73                 ocf_metadata_end_t cmpl, void *priv);
  74
  75 /*
  76  * RAW DYNAMIC - Flush all metadata of this RAW metadata container
  77  * to cache device
  78  */
  79 void raw_dynamic_flush_all(ocf_cache_t cache, struct ocf_metadata_raw *raw,
  80                 ocf_metadata_end_t cmpl, void *priv);
  81
  82 /*
  83  * RAW DYNAMIC - Mark specified entry to be flushed
  84  */
  85 void raw_dynamic_flush_mark(ocf_cache_t cache, struct ocf_request *req,
  86                 uint32_t map_idx, int to_state, uint8_t start, uint8_t stop);
  87
  88 /*
  89  * DYNAMIC Implementation - Do Flush Asynchronously
  90  */
  91 int raw_dynamic_flush_do_asynch(ocf_cache_t cache, struct ocf_request *req,
  92                 struct ocf_metadata_raw *raw, ocf_req_end_t complete);
  93
  94
  95 #endif /* METADATA_RAW_H_ */