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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 files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdfgroup.org/HDF5/doc/Copyright.html. 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 */
/* ======== 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 */
/* ======== 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 */
#ifdef H5_HAVE_PARALLEL
#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 */
#endif /* H5_HAVE_PARALLEL */
#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
#define H5D_XFER_COLL_CHUNK_FIX 0
#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
/****************************/
/* Library Private Typedefs */
/****************************/
/* Typedef for dataset in memory (defined in H5Dpkg.h) */
typedef struct H5D_t H5D_t;
/* Typedef for cached dataset transfer property list information */
typedef struct H5D_dxpl_cache_t {
size_t max_temp_buf; /* Maximum temporary buffer size (H5D_XFER_MAX_TEMP_BUF_NAME) */
void *tconv_buf; /* Temporary conversion buffer (H5D_XFER_TCONV_BUF_NAME) */
void *bkgr_buf; /* Background conversion buffer (H5D_XFER_BKGR_BUF_NAME) */
H5T_bkg_t bkgr_buf_type; /* Background buffer type (H5D_XFER_BKGR_BUF_NAME) */
H5Z_EDC_t err_detect; /* Error detection info (H5D_XFER_EDC_NAME) */
double btree_split_ratio[3];/* B-tree split ratios (H5D_XFER_BTREE_SPLIT_RATIO_NAME) */
size_t vec_size; /* Size of hyperslab vector (H5D_XFER_HYPER_VECTOR_SIZE_NAME) */
#ifdef H5_HAVE_PARALLEL
H5FD_mpio_xfer_t xfer_mode; /* Parallel transfer for this request (H5D_XFER_IO_XFER_MODE_NAME) */
H5FD_mpio_collective_opt_t coll_opt_mode; /* Parallel transfer with independent IO or collective IO with this mode */
#endif /*H5_HAVE_PARALLEL*/
H5Z_cb_t filter_cb; /* Filter callback function (H5D_XFER_FILTER_CB_NAME) */
H5Z_data_xform_t *data_xform_prop; /* Data transform prop (H5D_XFER_XFORM_NAME) */
} H5D_dxpl_cache_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;
/*****************************/
/* 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, hid_t dxpl_id);
H5_DLL herr_t H5D_close(H5D_t *dataset);
H5_DLL H5O_loc_t *H5D_oloc(H5D_t *dataset);
H5_DLL H5G_name_t *H5D_nameof(H5D_t *dataset);
H5_DLL H5T_t *H5D_typeof(const H5D_t *dset);
H5_DLL herr_t H5D_flush(const H5F_t *f, hid_t dxpl_id);
H5_DLL hid_t H5D_get_create_plist(H5D_t *dset);
H5_DLL hid_t H5D_get_access_plist(H5D_t *dset);
H5_DLL hid_t H5D_get_space(H5D_t *dset);
H5_DLL hid_t H5D_get_type(H5D_t *dset);
/* Functions that operate on vlen data */
H5_DLL herr_t H5D_vlen_reclaim(hid_t type_id, H5S_t *space, hid_t plist_id,
void *buf);
/* 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 indexed storage */
H5_DLL herr_t H5D_btree_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE * stream,
int indent, int fwidth, unsigned ndims);
#endif /* _H5Dprivate_H */
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