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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
#ifndef QPID_LEGACYSTORE_JRNL_JCFG_H
#define QPID_LEGACYSTORE_JRNL_JCFG_H
#define QLS_SBLK_SIZE_BYTES 4096 /**< Disk softblock size in bytes, should match size used on disk media */
#define QLS_AIO_ALIGN_BOUNDARY_BYTES QLS_SBLK_SIZE_BYTES /** Memory alignment boundary used for DMA */
/**
* <b>Rule:</b> Data block size (QLS_DBLK_SIZE_BYTES) MUST be a power of 2 AND
* a power of 2 factor of the disk softblock size (QLS_SBLK_SIZE_BYTES):
* <pre>
* n * QLS_DBLK_SIZE_BYTES == QLS_SBLK_SIZE_BYTES (n = 1,2,4,8...)
* </pre>
*/
#define QLS_DBLK_SIZE_BYTES 128 /**< Data block size in bytes (CANNOT BE LESS THAN 32!) */
#define QLS_SBLK_SIZE_DBLKS (QLS_SBLK_SIZE_BYTES / QLS_DBLK_SIZE_BYTES) /**< Disk softblock size in multiples of QLS_DBLK_SIZE_BYTES */
#define QLS_SBLK_SIZE_KIB (QLS_SBLK_SIZE_BYTES / 1024) /**< Disk softblock size in KiB */
#define QLS_WMGR_DEF_PAGE_SIZE_KIB 32 /**< Journal write page size in KiB (default) */
#define QLS_WMGR_DEF_PAGE_SIZE_SBLKS (QLS_WMGR_DEF_PAGE_SIZE_KIB / QLS_SBLK_SIZE_KIB) /**< Journal write page size in softblocks (default) */
#define QLS_WMGR_DEF_PAGES 32 /**< Number of pages to use in wmgr (default) */
#define QLS_WMGR_MAXDTOKPP 1024 /**< Max. dtoks (data blocks) per page in wmgr */
#define QLS_WMGR_MAXWAITUS 100 /**< Max. wait time (us) before submitting AIO */
#define QLS_JRNL_FILE_EXTENSION ".jrnl" /**< Extension for journal data files */
#define QLS_TXA_MAGIC 0x61534c51 /**< ("RHMa" in little endian) Magic for dtx abort hdrs */
#define QLS_TXC_MAGIC 0x63534c51 /**< ("RHMc" in little endian) Magic for dtx commit hdrs */
#define QLS_DEQ_MAGIC 0x64534c51 /**< ("QLSd" in little endian) Magic for deq rec hdrs */
#define QLS_ENQ_MAGIC 0x65534c51 /**< ("QLSe" in little endian) Magic for enq rec hdrs */
#define QLS_FILE_MAGIC 0x66534c51 /**< ("QLSf" in little endian) Magic for file hdrs */
#define QLS_EMPTY_MAGIC 0x78534c51 /**< ("QLSx" in little endian) Magic for empty dblk */
#define QLS_JRNL_VERSION 2 /**< Version (of file layout) */
#define QLS_JRNL_FHDR_RES_SIZE_SBLKS 1 /**< Journal file header reserved size in sblks (as defined by QLS_SBLK_SIZE_BYTES) */
#define QLS_CLEAN /**< If defined, writes QLS_CLEAN_CHAR to all filled areas on disk */
#define QLS_CLEAN_CHAR 0xff /**< Char used to clear empty space on disk */
#endif /* ifndef QPID_LEGACYSTORE_JRNL_JCFG_H */
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