H5Dprivate.h

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * Copyright by the Board of Trustees of the University of Illinois.         *
 * All rights reserved.                                                      *
 *                                                                           *
 * This file is part of HDF5.  The full HDF5 copyright notice, including     *
 * terms governing use, modification, and redistribution, is contained in    *
 * the COPYING file, which can be found at the root of the source code       *
 * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.  *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 
/*
 * This file contains private information about the H5D module
 */
#ifndef _H5Dprivate_H
#define _H5Dprivate_H
 
/* Include package's public header */
#include "H5Dpublic.h"
 
/* Private headers needed by this file */
#include "H5FDprivate.h"       /* File drivers                */
#include "H5Oprivate.h"        /* Object headers              */
#include "H5Sprivate.h"        /* Dataspaces                  */
#include "H5Zprivate.h"        /* Data filters                */
 
 
/**************************/
/* Library Private Macros */
/**************************/
 
/*
 * Feature: Define H5D_DEBUG on the compiler command line if you want to
 *        debug dataset I/O. NDEBUG must not be defined in order for this
 *        to have any effect.
 */
#ifdef NDEBUG
#  undef H5D_DEBUG
#endif
 
/* ========  Dataset creation property names ======== */
#define H5D_CRT_LAYOUT_NAME        "layout"              /* Storage layout */
#define H5D_CRT_FILL_VALUE_NAME    "fill_value"          /* Fill value */
#define H5D_CRT_ALLOC_TIME_STATE_NAME "alloc_time_state" /* Space allocation time state */
#define H5D_CRT_EXT_FILE_LIST_NAME "efl"                 /* External file list */
#define H5D_CRT_MIN_DSET_HDR_SIZE_NAME "dset_oh_minimize"/* Minimize object header */
 
/* ========  Dataset access property names ======== */
#define H5D_ACS_DATA_CACHE_NUM_SLOTS_NAME   "rdcc_nslots"    /* Size of raw data chunk cache(slots) */
#define H5D_ACS_DATA_CACHE_BYTE_SIZE_NAME   "rdcc_nbytes"    /* Size of raw data chunk cache(bytes) */
#define H5D_ACS_PREEMPT_READ_CHUNKS_NAME    "rdcc_w0"        /* Preemption read chunks first */
#define H5D_ACS_VDS_VIEW_NAME               "vds_view"       /* VDS view option */
#define H5D_ACS_VDS_PRINTF_GAP_NAME         "vds_printf_gap" /* VDS printf gap size */
#define H5D_ACS_VDS_PREFIX_NAME             "vds_prefix"     /* VDS file prefix */
#define H5D_ACS_APPEND_FLUSH_NAME           "append_flush"   /* Append flush actions */
#define H5D_ACS_EFILE_PREFIX_NAME           "external file prefix" /* External file prefix */
 
/* ======== Data transfer properties ======== */
#define H5D_XFER_MAX_TEMP_BUF_NAME      "max_temp_buf"  /* Maximum temp buffer size */
#define H5D_XFER_TCONV_BUF_NAME         "tconv_buf"     /* Type conversion buffer */
#define H5D_XFER_BKGR_BUF_NAME          "bkgr_buf"      /* Background buffer */
#define H5D_XFER_BKGR_BUF_TYPE_NAME     "bkgr_buf_type" /* Background buffer type */
#define H5D_XFER_BTREE_SPLIT_RATIO_NAME "btree_split_ratio" /* B-tree node splitting ratio */
#define H5D_XFER_VLEN_ALLOC_NAME        "vlen_alloc"    /* Vlen allocation function */
#define H5D_XFER_VLEN_ALLOC_INFO_NAME   "vlen_alloc_info" /* Vlen allocation info */
#define H5D_XFER_VLEN_FREE_NAME         "vlen_free"     /* Vlen free function */
#define H5D_XFER_VLEN_FREE_INFO_NAME    "vlen_free_info" /* Vlen free info */
#define H5D_XFER_VFL_ID_NAME            "vfl_id"        /* File driver ID */
#define H5D_XFER_VFL_INFO_NAME          "vfl_info"      /* File driver info */
#define H5D_XFER_HYPER_VECTOR_SIZE_NAME "vec_size"      /* Hyperslab vector size */
#define H5D_XFER_IO_XFER_MODE_NAME      "io_xfer_mode"  /* I/O transfer mode */
#define H5D_XFER_MPIO_COLLECTIVE_OPT_NAME "mpio_collective_opt" /* Optimization of MPI-IO transfer mode */
#define H5D_XFER_MPIO_CHUNK_OPT_HARD_NAME "mpio_chunk_opt_hard"
#define H5D_XFER_MPIO_CHUNK_OPT_NUM_NAME "mpio_chunk_opt_num"
#define H5D_XFER_MPIO_CHUNK_OPT_RATIO_NAME "mpio_chunk_opt_ratio"
#define H5D_MPIO_ACTUAL_CHUNK_OPT_MODE_NAME "actual_chunk_opt_mode"
#define H5D_MPIO_ACTUAL_IO_MODE_NAME    "actual_io_mode"
#define H5D_MPIO_LOCAL_NO_COLLECTIVE_CAUSE_NAME "local_no_collective_cause"    /* cause of broken collective I/O in each process */
#define H5D_MPIO_GLOBAL_NO_COLLECTIVE_CAUSE_NAME "global_no_collective_cause"  /* cause of broken collective I/O in all processes */
#define H5D_XFER_EDC_NAME               "err_detect"     /* EDC */
#define H5D_XFER_FILTER_CB_NAME         "filter_cb"      /* Filter callback function */
#define H5D_XFER_CONV_CB_NAME           "type_conv_cb"   /* Type conversion callback function */
#define H5D_XFER_XFORM_NAME             "data_transform" /* Data transform */
#ifdef H5_HAVE_INSTRUMENTED_LIBRARY
/* Collective chunk instrumentation properties */
#define H5D_XFER_COLL_CHUNK_LINK_HARD_NAME "coll_chunk_link_hard"
#define H5D_XFER_COLL_CHUNK_MULTI_HARD_NAME "coll_chunk_multi_hard"
#define H5D_XFER_COLL_CHUNK_LINK_NUM_TRUE_NAME "coll_chunk_link_true"
#define H5D_XFER_COLL_CHUNK_LINK_NUM_FALSE_NAME "coll_chunk_link_false"
#define H5D_XFER_COLL_CHUNK_MULTI_RATIO_COLL_NAME "coll_chunk_multi_coll"
#define H5D_XFER_COLL_CHUNK_MULTI_RATIO_IND_NAME "coll_chunk_multi_ind"
 
/* Definitions for all collective chunk instrumentation properties */
#define H5D_XFER_COLL_CHUNK_SIZE        sizeof(unsigned)
#define H5D_XFER_COLL_CHUNK_DEF         1
 
/* General collective I/O instrumentation properties */
#define H5D_XFER_COLL_RANK0_BCAST_NAME  "coll_rank0_bcast"
 
/* Definitions for general collective I/O instrumentation properties */
#define H5D_XFER_COLL_RANK0_BCAST_SIZE  sizeof(hbool_t)
#define H5D_XFER_COLL_RANK0_BCAST_DEF   FALSE
#endif /* H5_HAVE_INSTRUMENTED_LIBRARY */
 
/* Default temporary buffer size */
#define H5D_TEMP_BUF_SIZE       (1024 * 1024)
 
/* Default I/O vector size */
#define H5D_IO_VECTOR_SIZE      1024
 
/* Default VL allocation & free info */
#define H5D_VLEN_ALLOC          NULL
#define H5D_VLEN_ALLOC_INFO     NULL
#define H5D_VLEN_FREE           NULL
#define H5D_VLEN_FREE_INFO      NULL
 
/* Default virtual dataset list size */
#define H5D_VIRTUAL_DEF_LIST_SIZE 8
 
 
/****************************/
/* Library Private Typedefs */
/****************************/
 
/* Typedef for dataset in memory (defined in H5Dpkg.h) */
typedef struct H5D_t H5D_t;
 
/* Typedef for cached dataset creation property list information */
typedef struct H5D_dcpl_cache_t {
    H5O_fill_t fill;            /* Fill value info (H5D_CRT_FILL_VALUE_NAME) */
    H5O_pline_t pline;          /* I/O pipeline info (H5O_CRT_PIPELINE_NAME) */
    H5O_efl_t efl;              /* External file list info (H5D_CRT_EXT_FILE_LIST_NAME) */
} H5D_dcpl_cache_t;
 
/* Callback information for copying datasets */
typedef struct H5D_copy_file_ud_t {
    H5O_copy_file_ud_common_t common;   /* Shared information (must be first) */
    struct H5S_extent_t *src_space_extent;     /* Copy of dataspace extent for dataset */
    H5T_t *src_dtype;                   /* Copy of datatype for dataset */
} H5D_copy_file_ud_t;
 
/* Structure for dataset append flush property (H5Pset_append_flush) */
typedef struct H5D_append_flush_t {
    unsigned ndims;            /* The # of dimensions for "boundary" */
    hsize_t boundary[H5S_MAX_RANK];    /* The dimension sizes for determining boundary */
    H5D_append_cb_t func;        /* The callback function */
    void *udata;            /* User data */
} H5D_append_flush_t;
 
 
/*****************************/
/* Library Private Variables */
/*****************************/
 
 
/******************************/
/* Library Private Prototypes */
/******************************/
 
H5_DLL herr_t H5D_init(void);
H5_DLL H5D_t *H5D_open(const H5G_loc_t *loc, hid_t dapl_id);
H5_DLL herr_t H5D_close(H5D_t *dataset);
H5_DLL herr_t H5D_mult_refresh_close(hid_t dset_id);
H5_DLL herr_t H5D_mult_refresh_reopen(H5D_t *dataset);
H5_DLL H5O_loc_t *H5D_oloc(H5D_t *dataset);
H5_DLL H5G_name_t *H5D_nameof(const H5D_t *dataset);
H5_DLL herr_t H5D_flush_all(H5F_t *f);
H5_DLL hid_t H5D_get_create_plist(const H5D_t *dset);
H5_DLL hid_t H5D_get_access_plist(const H5D_t *dset);
 
/* Functions that operate on chunked storage */
H5_DLL herr_t H5D_chunk_idx_reset(H5O_storage_chunk_t *storage, hbool_t reset_addr);
 
/* Functions that operate on virtual storage */
H5_DLL herr_t H5D_virtual_check_mapping_pre(const H5S_t *vspace,
    const H5S_t *src_space, H5O_virtual_space_status_t space_status);
H5_DLL herr_t H5D_virtual_check_mapping_post(
    const H5O_storage_virtual_ent_t *ent);
H5_DLL herr_t H5D_virtual_check_min_dims(const H5D_t *dset);
H5_DLL herr_t H5D_virtual_update_min_dims(H5O_layout_t *layout, size_t idx);
H5_DLL herr_t H5D_virtual_parse_source_name(const char *source_name,
    H5O_storage_virtual_name_seg_t **parsed_name, size_t *static_strlen,
    size_t *nsubs);
H5_DLL herr_t H5D_virtual_free_parsed_name(H5O_storage_virtual_name_seg_t *name_seg);
 
/* Functions that operate on indexed storage */
H5_DLL herr_t H5D_btree_debug(H5F_t *f, haddr_t addr, FILE * stream,
    int indent, int fwidth, unsigned ndims, const uint32_t *dim);
 
#endif /* _H5Dprivate_H */