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175 lines
7.2 KiB
C
175 lines
7.2 KiB
C
3 weeks ago
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* Copyright by the Board of Trustees of the University of Illinois. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the files COPYING and Copyright.html. COPYING can be found at the root *
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* of the source code distribution tree; Copyright.html can be found at the *
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* root level of an installed copy of the electronic HDF5 document set and *
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* is linked from the top-level documents page. It can also be found at *
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* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
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* access to either file, you may request a copy from help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/*
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* Programmer: Robb Matzke <matzke@llnl.gov>
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* Monday, July 26, 1999
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*/
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#ifndef _H5FDprivate_H
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#define _H5FDprivate_H
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/* Include package's public header */
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#include "H5FDpublic.h"
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/* Private headers needed by this file */
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/*
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* The MPI drivers are needed because there are
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* places where we check for things that aren't handled by these drivers.
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*/
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#include "H5FDmpi.h" /* MPI-based file drivers */
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/**************************/
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/* Library Private Macros */
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/**************************/
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/* Length of filename buffer */
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#define H5FD_MAX_FILENAME_LEN 1024
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/* MPI based VFDs */
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#define IS_H5FD_MPIO(f) /* (H5F_t *f) */ \
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(H5FD_MPIO==H5F_DRIVER_ID(f))
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/* Single macro to check for all file drivers that use MPI */
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#define IS_H5FD_MPI(file) \
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(IS_H5FD_MPIO(file))
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#ifdef H5_HAVE_PARALLEL
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/* ======== Temporary data transfer properties ======== */
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/* Definitions for memory MPI type property */
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#define H5FD_MPI_XFER_MEM_MPI_TYPE_NAME "H5FD_mpi_mem_mpi_type"
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/* Definitions for file MPI type property */
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#define H5FD_MPI_XFER_FILE_MPI_TYPE_NAME "H5FD_mpi_file_mpi_type"
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/* Sub-class the H5FD_class_t to add more specific functions for MPI-based VFDs */
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typedef struct H5FD_class_mpi_t {
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H5FD_class_t super; /* Superclass information & methods */
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int (*get_rank)(const H5FD_t *file); /* Get the MPI rank of a process */
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int (*get_size)(const H5FD_t *file); /* Get the MPI size of a communicator */
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MPI_Comm (*get_comm)(const H5FD_t *file); /* Get the communicator for a file */
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} H5FD_class_mpi_t;
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#endif
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/****************************/
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/* Library Private Typedefs */
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/****************************/
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/* File operations */
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typedef enum {
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OP_UNKNOWN = 0, /* Unknown last file operation */
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OP_READ = 1, /* Last file I/O operation was a read */
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OP_WRITE = 2 /* Last file I/O operation was a write */
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} H5FD_file_op_t;
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/* Define structure to hold initial file image and other relevant information */
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typedef struct {
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void *buffer;
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size_t size;
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H5FD_file_image_callbacks_t callbacks;
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} H5FD_file_image_info_t;
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/* Define default file image info */
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#define H5FD_DEFAULT_FILE_IMAGE_INFO { \
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/* file image buffer */ NULL, \
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/* buffer size */ 0, \
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{ /* Callbacks */ \
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/* image_malloc */ NULL, \
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/* image_memcpy */ NULL, \
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/* image_realloc */ NULL, \
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/* image_free */ NULL, \
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/* udata_copy */ NULL, \
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/* udata_free */ NULL, \
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/* udata */ NULL, \
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} \
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}
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/*****************************/
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/* Library Private Variables */
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/*****************************/
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/******************************/
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/* Library Private Prototypes */
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/******************************/
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/* Forward declarations for prototype arguments */
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struct H5P_genplist_t;
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struct H5F_t;
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H5_DLL int H5FD_term_interface(void);
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H5_DLL H5FD_class_t *H5FD_get_class(hid_t id);
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H5_DLL hsize_t H5FD_sb_size(H5FD_t *file);
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H5_DLL herr_t H5FD_sb_encode(H5FD_t *file, char *name/*out*/, uint8_t *buf);
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H5_DLL herr_t H5FD_sb_decode(H5FD_t *file, const char *name, const uint8_t *buf);
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H5_DLL void *H5FD_fapl_get(H5FD_t *file);
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H5_DLL herr_t H5FD_fapl_open(struct H5P_genplist_t *plist, hid_t driver_id, const void *driver_info);
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H5_DLL herr_t H5FD_fapl_close(hid_t driver_id, void *fapl);
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H5_DLL hid_t H5FD_register(const void *cls, size_t size, hbool_t app_ref);
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H5_DLL H5FD_t *H5FD_open(const char *name, unsigned flags, hid_t fapl_id,
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haddr_t maxaddr);
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H5_DLL herr_t H5FD_close(H5FD_t *file);
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H5_DLL int H5FD_cmp(const H5FD_t *f1, const H5FD_t *f2);
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H5_DLL haddr_t H5FD_alloc(H5FD_t *file, hid_t dxpl_id, H5FD_mem_t type, struct H5F_t *f,
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hsize_t size, haddr_t *align_addr, hsize_t *align_size);
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H5_DLL herr_t H5FD_free(H5FD_t *file, hid_t dxpl_id, H5FD_mem_t type, struct H5F_t *f,
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haddr_t addr, hsize_t size);
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H5_DLL htri_t H5FD_try_extend(H5FD_t *file, H5FD_mem_t type, struct H5F_t *f,
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haddr_t blk_end, hsize_t extra_requested);
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H5_DLL haddr_t H5FD_get_eoa(const H5FD_t *file, H5FD_mem_t type);
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H5_DLL herr_t H5FD_set_eoa(H5FD_t *file, H5FD_mem_t type, haddr_t addr);
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H5_DLL haddr_t H5FD_get_eof(const H5FD_t *file);
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H5_DLL haddr_t H5FD_get_maxaddr(const H5FD_t *file);
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H5_DLL herr_t H5FD_get_feature_flags(const H5FD_t *file, unsigned long *feature_flags);
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H5_DLL herr_t H5FD_get_fs_type_map(const H5FD_t *file, H5FD_mem_t *type_map);
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H5_DLL herr_t H5FD_read(H5FD_t *file, hid_t dxpl_id, H5FD_mem_t type,
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haddr_t addr, size_t size, void *buf/*out*/);
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H5_DLL herr_t H5FD_write(H5FD_t *file, hid_t dxpl_id, H5FD_mem_t type,
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haddr_t addr, size_t size, const void *buf);
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H5_DLL herr_t H5FD_flush(H5FD_t *file, hid_t dxpl_id, hbool_t closing);
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H5_DLL herr_t H5FD_truncate(H5FD_t *file, hid_t dxpl_id, hbool_t closing);
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H5_DLL herr_t H5FD_get_fileno(const H5FD_t *file, unsigned long *filenum);
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H5_DLL herr_t H5FD_get_vfd_handle(H5FD_t *file, hid_t fapl, void** file_handle);
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H5_DLL herr_t H5FD_set_base_addr(H5FD_t *file, haddr_t base_addr);
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H5_DLL haddr_t H5FD_get_base_addr(const H5FD_t *file);
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/* Function prototypes for MPI based VFDs*/
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#ifdef H5_HAVE_PARALLEL
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/* General routines */
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H5_DLL haddr_t H5FD_mpi_MPIOff_to_haddr(MPI_Offset mpi_off);
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H5_DLL herr_t H5FD_mpi_haddr_to_MPIOff(haddr_t addr, MPI_Offset *mpi_off/*out*/);
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H5_DLL herr_t H5FD_mpi_comm_info_dup(MPI_Comm comm, MPI_Info info,
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MPI_Comm *comm_new, MPI_Info *info_new);
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H5_DLL herr_t H5FD_mpi_comm_info_free(MPI_Comm *comm, MPI_Info *info);
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#ifdef NOT_YET
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H5_DLL herr_t H5FD_mpio_wait_for_left_neighbor(H5FD_t *file);
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H5_DLL herr_t H5FD_mpio_signal_right_neighbor(H5FD_t *file);
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#endif /* NOT_YET */
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H5_DLL herr_t H5FD_mpi_setup_collective(hid_t dxpl_id, MPI_Datatype *btype,
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MPI_Datatype *ftype);
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H5_DLL herr_t H5FD_set_mpio_atomicity(H5FD_t *file, hbool_t flag);
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H5_DLL herr_t H5FD_get_mpio_atomicity(H5FD_t *file, hbool_t *flag);
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/* Driver specific methods */
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H5_DLL int H5FD_mpi_get_rank(const H5FD_t *file);
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H5_DLL int H5FD_mpi_get_size(const H5FD_t *file);
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H5_DLL MPI_Comm H5FD_mpi_get_comm(const H5FD_t *_file);
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#endif /* H5_HAVE_PARALLEL */
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#endif /* !_H5FDprivate_H */
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