/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have * * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /* * This file contains private information about the H5S module */ #ifndef _H5Sprivate_H #define _H5Sprivate_H #include "H5Spublic.h" /* Private headers needed by this file */ #include "H5private.h" /* Generic Functions */ #include "H5Dprivate.h" /* Dataset functions */ #include "H5Fprivate.h" /* Files */ #include "H5Gprivate.h" /* Groups */ #include "H5Oprivate.h" /* Object headers */ #include "H5Pprivate.h" /* Property lists */ /* Flags for H5S_find */ #define H5S_CONV_PAR_IO_POSSIBLE 0x0001 /* The storage options are mutually exclusive */ /* (2-bits reserved for storage type currently) */ #define H5S_CONV_STORAGE_COMPACT 0x0000 /* i.e. '0' */ #define H5S_CONV_STORAGE_CONTIGUOUS 0x0002 /* i.e. '1' */ #define H5S_CONV_STORAGE_CHUNKED 0x0004 /* i.e. '2' */ #define H5S_CONV_STORAGE_MASK 0x0006 /* Forward references of package typedefs */ typedef struct H5S_t H5S_t; typedef struct H5S_pnt_node_t H5S_pnt_node_t; typedef struct H5S_hyper_span_t H5S_hyper_span_t; typedef struct H5S_hyper_span_info_t H5S_hyper_span_info_t; /* Information about one dimension in a hyperslab selection */ typedef struct H5S_hyper_dim_t { hssize_t start; hsize_t stride; hsize_t count; hsize_t block; } H5S_hyper_dim_t; /* Point selection iteration container */ typedef struct { H5S_pnt_node_t *curr; /* Pointer to next node to output */ } H5S_point_iter_t; /* Hyperslab selection iteration container */ typedef struct { /* Common fields for all hyperslab selections */ hssize_t off[H5S_MAX_RANK]; /* Offset in span node (used as position for regular hyperslabs) */ unsigned iter_rank; /* Rank of iterator information */ /* (This should always be the same as the dataspace * rank, except for regular hyperslab selections in * which there are contiguous regions in the lower * dimensions which have been "flattened" out */ hbool_t diminfo_valid; /* Whether the dimension information is valid */ /* "Flattened" regular hyperslab selection fields */ H5S_hyper_dim_t diminfo[H5S_MAX_RANK]; /* "Flattened" regular selection information */ hsize_t size[H5S_MAX_RANK]; /* "Flattened" dataspace extent information */ hssize_t sel_off[H5S_MAX_RANK]; /* "Flattened" selection offset information */ /* Irregular hyperslab selection fields */ H5S_hyper_span_info_t *spans; /* Pointer to copy of the span tree */ H5S_hyper_span_t *span[H5S_MAX_RANK];/* Array of pointers to span nodes */ } H5S_hyper_iter_t; /* "All" selection iteration container */ typedef struct { hsize_t elmt_offset; /* Next element to output */ hsize_t byte_offset; /* Next byte to output */ } H5S_all_iter_t; typedef struct H5S_sel_iter_t H5S_sel_iter_t; /* Method to retrieve the current coordinates of iterator for current selection */ typedef herr_t (*H5S_sel_iter_coords_func_t)(const H5S_sel_iter_t *iter, hssize_t *coords); /* Method to retrieve the current block of iterator for current selection */ typedef herr_t (*H5S_sel_iter_block_func_t)(const H5S_sel_iter_t *iter, hssize_t *start, hssize_t *end); /* Method to determine number of elements left in iterator for current selection */ typedef hsize_t (*H5S_sel_iter_nelmts_func_t)(const H5S_sel_iter_t *iter); /* Method to determine if there are more blocks left in the current selection */ typedef htri_t (*H5S_sel_iter_has_next_block_func_t)(const H5S_sel_iter_t *iter); /* Method to move selection iterator to the next element in the selection */ typedef herr_t (*H5S_sel_iter_next_func_t)(H5S_sel_iter_t *iter, size_t nelem); /* Method to move selection iterator to the next block in the selection */ typedef herr_t (*H5S_sel_iter_next_block_func_t)(H5S_sel_iter_t *iter); /* Method to release iterator for current selection */ typedef herr_t (*H5S_sel_iter_release_func_t)(H5S_sel_iter_t *iter); /* Selection iteration container */ struct H5S_sel_iter_t { /* Information common to all iterators */ unsigned rank; /* Rank of dataspace the selection iterator is operating on */ hsize_t *dims; /* Dimensions of dataspace the selection is operating on */ hsize_t elmt_left; /* Number of elements left to iterate over */ size_t elmt_size; /* Size of elements to iterate over */ /* Information specific to each type of iterator */ union { H5S_point_iter_t pnt; /* Point selection iteration information */ H5S_hyper_iter_t hyp; /* New Hyperslab selection iteration information */ H5S_all_iter_t all; /* "All" selection iteration information */ } u; /* Methods on selections */ H5S_sel_iter_coords_func_t iter_coords; /* Method to retrieve the current coordinates of iterator for current selection */ H5S_sel_iter_block_func_t iter_block; /* Method to retrieve the current block of iterator for current selection */ H5S_sel_iter_nelmts_func_t iter_nelmts; /* Method to determine number of elements left in iterator for current selection */ H5S_sel_iter_has_next_block_func_t iter_has_next_block; /* Method to query if there is another block left in the selection */ H5S_sel_iter_next_func_t iter_next; /* Method to move selection iterator to the next element in the selection */ H5S_sel_iter_next_block_func_t iter_next_block; /* Method to move selection iterator to the next block in the selection */ H5S_sel_iter_release_func_t iter_release; /* Method to release iterator for current selection */ }; typedef struct H5S_conv_t { H5S_sel_type ftype; H5S_sel_type mtype; /* * If there is no data type conversion then it might be possible to * transfer data points between application memory and the file in one * step without going through the data type conversion buffer. */ /* Read from file to application w/o intermediate scratch buffer */ herr_t (*read)(H5F_t *f, const struct H5O_layout_t *layout, const H5D_dcpl_cache_t *dcpl_cache, const union H5D_storage_t *store, size_t nelmts, size_t elmt_size, const H5S_t *file_space, const H5S_t *mem_space, const H5D_dxpl_cache_t *dxpl_cache, hid_t dxpl_id, void *buf/*out*/); /* Write directly from app buffer to file */ herr_t (*write)(H5F_t *f, struct H5O_layout_t *layout, const H5D_dcpl_cache_t *dcpl_cache, const union H5D_storage_t *store, size_t nelmts, size_t elmt_size, const H5S_t *file_space, const H5S_t *mem_space, const H5D_dxpl_cache_t *dxpl_cache, hid_t dxpl_id, const void *buf); #ifdef H5S_DEBUG struct { H5_timer_t scat_timer; /*time spent scattering */ hsize_t scat_nbytes; /*scatter throughput */ hsize_t scat_ncalls; /*number of calls */ H5_timer_t gath_timer; /*time spent gathering */ hsize_t gath_nbytes; /*gather throughput */ hsize_t gath_ncalls; /*number of calls */ H5_timer_t bkg_timer; /*time for background */ hsize_t bkg_nbytes; /*background throughput */ hsize_t bkg_ncalls; /*number of calls */ H5_timer_t read_timer; /*time for read calls */ hsize_t read_nbytes; /*total bytes read */ hsize_t read_ncalls; /*number of calls */ H5_timer_t write_timer; /*time for write calls */ hsize_t write_nbytes; /*total bytes written */ hsize_t write_ncalls; /*number of calls */ } stats[2]; /* 0=output, 1=input */ #endif } H5S_conv_t; /* Operations on dataspaces */ H5_DLL H5S_t *H5S_copy(const H5S_t *src, hbool_t share_selection); H5_DLL herr_t H5S_close(H5S_t *ds); H5_DLL H5S_conv_t *H5S_find(const H5S_t *mem_space, const H5S_t *file_space, unsigned flags, hbool_t *use_par_opt_io); H5_DLL H5S_class_t H5S_get_simple_extent_type(const H5S_t *ds); H5_DLL hssize_t H5S_get_simple_extent_npoints(const H5S_t *ds); H5_DLL hsize_t H5S_get_npoints_max(const H5S_t *ds); H5_DLL int H5S_get_simple_extent_ndims(const H5S_t *ds); H5_DLL int H5S_get_simple_extent_dims(const H5S_t *ds, hsize_t dims[]/*out*/, hsize_t max_dims[]/*out*/); H5_DLL herr_t H5S_modify(struct H5G_entry_t *ent, const H5S_t *space, hbool_t update_time, hid_t dxpl_id); H5_DLL herr_t H5S_append(H5F_t *f, hid_t dxpl_id, struct H5O_t *oh, const H5S_t *ds); H5_DLL H5S_t *H5S_read(struct H5G_entry_t *ent, hid_t dxpl_id); H5_DLL int H5S_extend(H5S_t *space, const hsize_t *size); H5_DLL int H5S_set_extent(H5S_t *space, const hsize_t *size); H5_DLL herr_t H5S_set_extent_real(H5S_t *space, const hsize_t *size); H5_DLL H5S_t *H5S_create_simple(unsigned rank, const hsize_t dims[/*rank*/], const hsize_t maxdims[/*rank*/]); H5_DLL herr_t H5S_debug(H5F_t *f, hid_t dxpl_id, const void *_mesg, FILE *stream, int indent, int fwidth); /* Operations on selections */ H5_DLL herr_t H5S_select_deserialize(H5S_t *space, const uint8_t *buf); H5_DLL H5S_sel_type H5S_get_select_type(const H5S_t *space); H5_DLL herr_t H5S_select_iterate(void *buf, hid_t type_id, const H5S_t *space, H5D_operator_t op, void *operator_data); H5_DLL herr_t H5S_select_fill(void *fill, size_t fill_size, const H5S_t *space, void *buf); H5_DLL herr_t H5S_select_fscat (H5F_t *f, struct H5O_layout_t *layout, const H5D_dcpl_cache_t *dcpl_cache, const union H5D_storage_t *store, const H5S_t *file_space, H5S_sel_iter_t *file_iter, hsize_t nelmts, const H5D_dxpl_cache_t *dxpl_cache, hid_t dxpl_id, const void *_buf); H5_DLL hsize_t H5S_select_fgath (H5F_t *f, const struct H5O_layout_t *layout, const H5D_dcpl_cache_t *dcpl_cache, const union H5D_storage_t *store, const H5S_t *file_space, H5S_sel_iter_t *file_iter, hsize_t nelmts, const H5D_dxpl_cache_t *dxpl_cache, hid_t dxpl_id, void *buf); H5_DLL herr_t H5S_select_mscat (const void *_tscat_buf, const H5S_t *space, H5S_sel_iter_t *iter, hsize_t nelmts, const H5D_dxpl_cache_t *dxpl_cache, void *_buf/*out*/); H5_DLL hsize_t H5S_select_mgath (const void *_buf, const H5S_t *space, H5S_sel_iter_t *iter, hsize_t nelmts, const H5D_dxpl_cache_t *dxpl_cache, void *_tgath_buf/*out*/); H5_DLL herr_t H5S_select_read(H5F_t *f, const struct H5O_layout_t *layout, const H5D_dcpl_cache_t *dcpl_cache, const union H5D_storage_t *store, size_t nelmts, size_t elmt_size, const H5S_t *file_space, const H5S_t *mem_space, const H5D_dxpl_cache_t *dxpl_cache, hid_t dxpl_id, void *buf/*out*/); H5_DLL herr_t H5S_select_write(H5F_t *f, struct H5O_layout_t *layout, const H5D_dcpl_cache_t *dcpl_cache, const union H5D_storage_t *store, size_t nelmts, size_t elmt_size, const H5S_t *file_space, const H5S_t *mem_space, const H5D_dxpl_cache_t *dxpl_cache, hid_t dxpl_id, const void *buf/*out*/); H5_DLL htri_t H5S_select_valid(const H5S_t *space); H5_DLL hssize_t H5S_get_select_npoints(const H5S_t *space); H5_DLL herr_t H5S_get_select_bounds(const H5S_t *space, hssize_t *start, hssize_t *end); H5_DLL herr_t H5S_select_offset(H5S_t *space, const hssize_t *offset); H5_DLL herr_t H5S_select_copy(H5S_t *dst, const H5S_t *src, hbool_t share_selection); H5_DLL htri_t H5S_select_shape_same(const H5S_t *space1, const H5S_t *space2); H5_DLL herr_t H5S_select_release(H5S_t *ds); /* Operations on all selections */ H5_DLL herr_t H5S_select_all(H5S_t *space, unsigned rel_prev); /* Operations on none selections */ H5_DLL herr_t H5S_select_none(H5S_t *space); /* Operations on point selections */ H5_DLL herr_t H5S_select_elements (H5S_t *space, H5S_seloper_t op, size_t num_elem, const hssize_t **coord); /* Operations on hyperslab selections */ H5_DLL herr_t H5S_select_hyperslab (H5S_t *space, H5S_seloper_t op, const hssize_t start[], const hsize_t *stride, const hsize_t count[], const hsize_t *block); H5_DLL herr_t H5S_get_select_hyper_blocklist(H5S_t *space, hbool_t internal, hsize_t startblock, hsize_t numblocks, hsize_t *buf); H5_DLL herr_t H5S_hyper_add_span_element(H5S_t *space, unsigned rank, hssize_t *coords); H5_DLL herr_t H5S_hyper_reset_scratch(H5S_t *space); H5_DLL herr_t H5S_hyper_convert(H5S_t *space); #ifdef LATER H5_DLL htri_t H5S_hyper_intersect (H5S_t *space1, H5S_t *space2); #endif /* LATER */ H5_DLL htri_t H5S_hyper_intersect_block (H5S_t *space, hssize_t *start, hssize_t *end); H5_DLL herr_t H5S_hyper_adjust(H5S_t *space, const hssize_t *offset); H5_DLL herr_t H5S_hyper_move(H5S_t *space, const hssize_t *offset); H5_DLL herr_t H5S_hyper_normalize_offset(H5S_t *space); /* Operations on selection iterators */ H5_DLL herr_t H5S_select_iter_init(H5S_sel_iter_t *iter, const H5S_t *space, size_t elmt_size); H5_DLL herr_t H5S_select_iter_coords(const H5S_sel_iter_t *sel_iter, hssize_t *coords); H5_DLL hsize_t H5S_select_iter_nelmts(const H5S_sel_iter_t *sel_iter); H5_DLL herr_t H5S_select_iter_next(H5S_sel_iter_t *sel_iter, size_t nelem); H5_DLL herr_t H5S_select_iter_release(H5S_sel_iter_t *sel_iter); #ifdef H5_HAVE_PARALLEL #ifndef _H5S_IN_H5S_C /* Global vars whose value comes from environment variable */ /* (Defined in H5S.c) */ H5_DLLVAR hbool_t H5S_mpi_opt_types_g; #endif /* _H5S_IN_H5S_C */ #endif /* H5_HAVE_PARALLEL */ #endif /* _H5Sprivate_H */