/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Programmer: Robb Matzke
* Monday, July 26, 1999
*/
#ifndef _H5FDprivate_H
#define _H5FDprivate_H
/* Include package's public header */
#include "H5FDpublic.h"
/* Private headers needed by this file */
#include "H5Pprivate.h" /* Property lists */
/*
* The MPI drivers are needed because there are
* places where we check for things that aren't handled by these drivers.
*/
#include "H5FDmpi.h" /* MPI-based file drivers */
/**************************/
/* Library Private Macros */
/**************************/
/* Length of filename buffer */
#define H5FD_MAX_FILENAME_LEN 1024
#ifdef H5_HAVE_PARALLEL
/* ======== Temporary data transfer properties ======== */
/* Definitions for memory MPI type property */
#define H5FD_MPI_XFER_MEM_MPI_TYPE_NAME "H5FD_mpi_mem_mpi_type"
/* Definitions for file MPI type property */
#define H5FD_MPI_XFER_FILE_MPI_TYPE_NAME "H5FD_mpi_file_mpi_type"
/* Sub-class the H5FD_class_t to add more specific functions for MPI-based VFDs */
typedef struct H5FD_class_mpi_t {
H5FD_class_t super; /* Superclass information & methods */
int (*get_rank)(const H5FD_t *file); /* Get the MPI rank of a process */
int (*get_size)(const H5FD_t *file); /* Get the MPI size of a communicator */
MPI_Comm (*get_comm)(const H5FD_t *file); /* Get the communicator for a file */
} H5FD_class_mpi_t;
#endif
/****************************/
/* Library Private Typedefs */
/****************************/
/* File operations */
typedef enum {
OP_UNKNOWN = 0, /* Unknown last file operation */
OP_READ = 1, /* Last file I/O operation was a read */
OP_WRITE = 2 /* Last file I/O operation was a write */
} H5FD_file_op_t;
/* Define structure to hold initial file image and other relevant information */
typedef struct {
void * buffer;
size_t size;
H5FD_file_image_callbacks_t callbacks;
} H5FD_file_image_info_t;
/* Define default file image info */
#define H5FD_DEFAULT_FILE_IMAGE_INFO \
{ \
NULL, /* file image buffer */ \
0, /* buffer size */ \
{ /* Callbacks */ \
NULL, /* image_malloc */ \
NULL, /* image_memcpy */ \
NULL, /* image_realloc */ \
NULL, /* image_free */ \
NULL, /* udata_copy */ \
NULL, /* udata_free */ \
NULL, /* udata */ \
} \
}
/* Define structure to hold driver ID & info for FAPLs */
typedef struct {
hid_t driver_id; /* Driver's ID */
const void *driver_info; /* Driver info, for open callbacks */
} H5FD_driver_prop_t;
/*****************************/
/* Library Private Variables */
/*****************************/
/******************************/
/* Library Private Prototypes */
/******************************/
/* Forward declarations for prototype arguments */
struct H5F_t;
H5_DLL int H5FD_term_interface(void);
H5_DLL herr_t H5FD_locate_signature(H5FD_t *file, haddr_t *sig_addr);
H5_DLL H5FD_class_t *H5FD_get_class(hid_t id);
H5_DLL hsize_t H5FD_sb_size(H5FD_t *file);
H5_DLL herr_t H5FD_sb_encode(H5FD_t *file, char *name /*out*/, uint8_t *buf);
H5_DLL herr_t H5FD_sb_load(H5FD_t *file, const char *name, const uint8_t *buf);
H5_DLL void * H5FD_fapl_get(H5FD_t *file);
H5_DLL herr_t H5FD_free_driver_info(hid_t driver_id, const void *driver_info);
H5_DLL hid_t H5FD_register(const void *cls, size_t size, hbool_t app_ref);
H5_DLL H5FD_t *H5FD_open(const char *name, unsigned flags, hid_t fapl_id, haddr_t maxaddr);
H5_DLL herr_t H5FD_close(H5FD_t *file);
H5_DLL int H5FD_cmp(const H5FD_t *f1, const H5FD_t *f2);
H5_DLL herr_t H5FD_driver_query(const H5FD_class_t *driver, unsigned long *flags /*out*/);
H5_DLL haddr_t H5FD_alloc(H5FD_t *file, H5FD_mem_t type, struct H5F_t *f, hsize_t size, haddr_t *frag_addr,
hsize_t *frag_size);
H5_DLL herr_t H5FD_free(H5FD_t *file, H5FD_mem_t type, struct H5F_t *f, haddr_t addr, hsize_t size);
H5_DLL htri_t H5FD_try_extend(H5FD_t *file, H5FD_mem_t type, struct H5F_t *f, haddr_t blk_end,
hsize_t extra_requested);
H5_DLL haddr_t H5FD_get_eoa(const H5FD_t *file, H5FD_mem_t type);
H5_DLL herr_t H5FD_set_eoa(H5FD_t *file, H5FD_mem_t type, haddr_t addr);
H5_DLL haddr_t H5FD_get_eof(const H5FD_t *file, H5FD_mem_t type);
H5_DLL haddr_t H5FD_get_maxaddr(const H5FD_t *file);
H5_DLL herr_t H5FD_get_feature_flags(const H5FD_t *file, unsigned long *feature_flags);
H5_DLL herr_t H5FD_set_feature_flags(H5FD_t *file, unsigned long feature_flags);
H5_DLL herr_t H5FD_get_fs_type_map(const H5FD_t *file, H5FD_mem_t *type_map);
H5_DLL herr_t H5FD_read(H5FD_t *file, H5FD_mem_t type, haddr_t addr, size_t size, void *buf /*out*/);
H5_DLL herr_t H5FD_write(H5FD_t *file, H5FD_mem_t type, haddr_t addr, size_t size, const void *buf);
H5_DLL herr_t H5FD_flush(H5FD_t *file, hbool_t closing);
H5_DLL herr_t H5FD_truncate(H5FD_t *file, hbool_t closing);
H5_DLL herr_t H5FD_lock(H5FD_t *file, hbool_t rw);
H5_DLL herr_t H5FD_unlock(H5FD_t *file);
H5_DLL herr_t H5FD_get_fileno(const H5FD_t *file, unsigned long *filenum);
H5_DLL herr_t H5FD_get_vfd_handle(H5FD_t *file, hid_t fapl, void **file_handle);
H5_DLL herr_t H5FD_set_base_addr(H5FD_t *file, haddr_t base_addr);
H5_DLL haddr_t H5FD_get_base_addr(const H5FD_t *file);
H5_DLL herr_t H5FD_set_paged_aggr(H5FD_t *file, hbool_t paged);
/* Function prototypes for MPI based VFDs*/
#ifdef H5_HAVE_PARALLEL
/* General routines */
H5_DLL haddr_t H5FD_mpi_MPIOff_to_haddr(MPI_Offset mpi_off);
H5_DLL herr_t H5FD_mpi_haddr_to_MPIOff(haddr_t addr, MPI_Offset *mpi_off /*out*/);
#ifdef NOT_YET
H5_DLL herr_t H5FD_mpio_wait_for_left_neighbor(H5FD_t *file);
H5_DLL herr_t H5FD_mpio_signal_right_neighbor(H5FD_t *file);
#endif /* NOT_YET */
H5_DLL herr_t H5FD_set_mpio_atomicity(H5FD_t *file, hbool_t flag);
H5_DLL herr_t H5FD_get_mpio_atomicity(H5FD_t *file, hbool_t *flag);
/* Driver specific methods */
H5_DLL int H5FD_mpi_get_rank(const H5FD_t *file);
H5_DLL int H5FD_mpi_get_size(const H5FD_t *file);
H5_DLL MPI_Comm H5FD_mpi_get_comm(const H5FD_t *_file);
#endif /* H5_HAVE_PARALLEL */
#endif /* !_H5FDprivate_H */