/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /*------------------------------------------------------------------------- * * Created: H5ACprivate.h * Jul 9 1997 * Robb Matzke * * Purpose: Constants and typedefs available to the rest of the * library. * *------------------------------------------------------------------------- */ #ifndef _H5ACprivate_H #define _H5ACprivate_H #include "H5ACpublic.h" /*public prototypes */ /* Pivate headers needed by this header */ #include "H5private.h" /* Generic Functions */ #include "H5Cprivate.h" /* Cache */ #include "H5Fprivate.h" /* File access */ #include "H5Pprivate.h" /* Property lists */ #ifdef H5_METADATA_TRACE_FILE #define H5AC__TRACE_FILE_ENABLED 1 #else /* H5_METADATA_TRACE_FILE */ #define H5AC__TRACE_FILE_ENABLED 0 #endif /* H5_METADATA_TRACE_FILE */ /* Types of metadata objects cached */ typedef enum { H5AC_BT_ID = 0, /*B-tree nodes */ H5AC_SNODE_ID, /*symbol table nodes */ H5AC_LHEAP_PRFX_ID, /*local heap prefix */ H5AC_LHEAP_DBLK_ID, /*local heap data block */ H5AC_GHEAP_ID, /*global heap */ H5AC_OHDR_ID, /*object header */ H5AC_OHDR_CHK_ID, /*object header chunk */ H5AC_BT2_HDR_ID, /*v2 B-tree header */ H5AC_BT2_INT_ID, /*v2 B-tree internal node */ H5AC_BT2_LEAF_ID, /*v2 B-tree leaf node */ H5AC_FHEAP_HDR_ID, /*fractal heap header */ H5AC_FHEAP_DBLOCK_ID, /*fractal heap direct block */ H5AC_FHEAP_IBLOCK_ID, /*fractal heap indirect block */ H5AC_FSPACE_HDR_ID, /*free space header */ H5AC_FSPACE_SINFO_ID,/*free space sections */ H5AC_SOHM_TABLE_ID, /*shared object header message master table */ H5AC_SOHM_LIST_ID, /*shared message index stored as a list */ H5AC_SUPERBLOCK_ID, /* file superblock */ H5AC_TEST_ID, /*test entry -- not used for actual files */ H5AC_NTYPES /* Number of types, must be last */ } H5AC_type_t; /* H5AC_DUMP_STATS_ON_CLOSE should always be FALSE when * H5C_COLLECT_CACHE_STATS is FALSE. * * When H5C_COLLECT_CACHE_STATS is TRUE, H5AC_DUMP_STATS_ON_CLOSE must * be FALSE for "make check" to succeed, but may be set to TRUE at other * times for debugging purposes. * * Hence the following, somewhat odd set of #defines. */ #if H5C_COLLECT_CACHE_STATS #define H5AC_DUMP_STATS_ON_CLOSE 0 #else /* H5C_COLLECT_CACHE_STATS */ #define H5AC_DUMP_STATS_ON_CLOSE 0 #endif /* H5C_COLLECT_CACHE_STATS */ /* Default max metadata cache size and min clean size are give here. * At present, these are the same as those given in H5Cprivate.h. */ #define H5AC__DEFAULT_MAX_CACHE_SIZE H5C__DEFAULT_MAX_CACHE_SIZE #define H5AC__DEFAULT_MIN_CLEAN_SIZE H5C__DEFAULT_MIN_CLEAN_SIZE /* * Class methods pertaining to caching. Each type of cached object will * have a constant variable with permanent life-span that describes how * to cache the object. That variable will be of type H5AC_class_t and * have the following required fields... * * LOAD: Loads an object from disk to memory. The function * should allocate some data structure and return it. * * FLUSH: Writes some data structure back to disk. It would be * wise for the data structure to include dirty flags to * indicate whether it really needs to be written. This * function is also responsible for freeing memory allocated * by the LOAD method if the DEST argument is non-zero (by * calling the DEST method). * * DEST: Just frees memory allocated by the LOAD method. * * CLEAR: Just marks object as non-dirty. * * SIZE: Report the size (on disk) of the specified cache object. * Note that the space allocated on disk may not be contiguous. */ #define H5AC_CALLBACK__NO_FLAGS_SET H5C_CALLBACK__NO_FLAGS_SET #define H5AC_CALLBACK__SIZE_CHANGED_FLAG H5C_CALLBACK__SIZE_CHANGED_FLAG #define H5AC_CALLBACK__MOVED_FLAG H5C_CALLBACK__MOVED_FLAG typedef H5C_load_func_t H5AC_load_func_t; typedef H5C_flush_func_t H5AC_flush_func_t; typedef H5C_dest_func_t H5AC_dest_func_t; typedef H5C_clear_func_t H5AC_clear_func_t; typedef H5C_size_func_t H5AC_size_func_t; typedef H5C_class_t H5AC_class_t; /* The H5AC_NSLOTS #define is now obsolete, as the metadata cache no longer * uses slots. However I am leaving it in for now to avoid modifying the * interface between the metadata cache and the rest of HDF. It should * be removed when we get to dealing with the size_hint parameter in * H5AC_create(). * JRM - 5/20/04 * * Old comment on H5AC_NSLOTS follows: * * A cache has a certain number of entries. Objects are mapped into a * cache entry by hashing the object's file address. Each file has its * own cache, an array of slots. */ #define H5AC_NSLOTS 10330 /* The library "likes" this number... */ typedef H5C_cache_entry_t H5AC_info_t; /*===----------------------------------------------------------------------=== * Protect Types *===----------------------------------------------------------------------=== * * These are for the wrapper functions to H5AC_protect. They specify what * type of operation you're planning on doing to the metadata. The * Flexible Parallel HDF5 locking can then act accordingly. */ typedef enum H5AC_protect_t { H5AC_WRITE, /* Protect object for writing */ H5AC_READ /* Protect object for reading */ } H5AC_protect_t; /* Typedef for metadata cache (defined in H5Cpkg.h) */ typedef H5C_t H5AC_t; /* Metadata specific properties for FAPL */ /* (Only used for parallel I/O) */ #ifdef H5_HAVE_PARALLEL /* Definitions for "collective metadata write" property */ #define H5AC_COLLECTIVE_META_WRITE_NAME "H5AC_collective_metadata_write" #define H5AC_COLLECTIVE_META_WRITE_SIZE sizeof(unsigned) #define H5AC_COLLECTIVE_META_WRITE_DEF 0 #endif /* H5_HAVE_PARALLEL */ /* Dataset transfer property list for flush calls */ /* (Collective set, "block before metadata write" set and "library internal" set) */ /* (Global variable declaration, definition is in H5AC.c) */ extern hid_t H5AC_dxpl_id; /* Dataset transfer property list for independent metadata I/O calls */ /* (just "library internal" set - i.e. independent transfer mode) */ /* (Global variable declaration, definition is in H5AC.c) */ extern H5P_genplist_t *H5AC_ind_dxpl_g; extern hid_t H5AC_ind_dxpl_id; /* Default cache configuration. */ #define H5AC__DEFAULT_METADATA_WRITE_STRATEGY \ H5AC_METADATA_WRITE_STRATEGY__DISTRIBUTED #ifdef H5_HAVE_PARALLEL #define H5AC__DEFAULT_CACHE_CONFIG \ { \ /* int version = */ H5AC__CURR_CACHE_CONFIG_VERSION, \ /* hbool_t rpt_fcn_enabled = */ FALSE, \ /* hbool_t open_trace_file = */ FALSE, \ /* hbool_t close_trace_file = */ FALSE, \ /* char trace_file_name[] = */ "", \ /* hbool_t evictions_enabled = */ TRUE, \ /* hbool_t set_initial_size = */ TRUE, \ /* size_t initial_size = */ ( 2 * 1024 * 1024), \ /* double min_clean_fraction = */ 0.3, \ /* size_t max_size = */ (32 * 1024 * 1024), \ /* size_t min_size = */ (1 * 1024 * 1024), \ /* long int epoch_length = */ 50000, \ /* enum H5C_cache_incr_mode incr_mode = */ H5C_incr__threshold, \ /* double lower_hr_threshold = */ 0.9F, \ /* double increment = */ 2.0F, \ /* hbool_t apply_max_increment = */ TRUE, \ /* size_t max_increment = */ (4 * 1024 * 1024), \ /* enum H5C_cache_flash_incr_mode */ \ /* flash_incr_mode = */ H5C_flash_incr__add_space, \ /* double flash_multiple = */ 1.0F, \ /* double flash_threshold = */ 0.25F, \ /* enum H5C_cache_decr_mode decr_mode = */ H5C_decr__age_out_with_threshold, \ /* double upper_hr_threshold = */ H5_DOUBLE(0.999), \ /* double decrement = */ 0.9F, \ /* hbool_t apply_max_decrement = */ TRUE, \ /* size_t max_decrement = */ (1 * 1024 * 1024), \ /* int epochs_before_eviction = */ 3, \ /* hbool_t apply_empty_reserve = */ TRUE, \ /* double empty_reserve = */ 0.1F, \ /* int dirty_bytes_threshold = */ (256 * 1024), \ /* int metadata_write_strategy = */ \ H5AC__DEFAULT_METADATA_WRITE_STRATEGY \ } #else /* H5_HAVE_PARALLEL */ #define H5AC__DEFAULT_CACHE_CONFIG \ { \ /* int version = */ H5C__CURR_AUTO_SIZE_CTL_VER, \ /* hbool_t rpt_fcn_enabled = */ FALSE, \ /* hbool_t open_trace_file = */ FALSE, \ /* hbool_t close_trace_file = */ FALSE, \ /* char trace_file_name[] = */ "", \ /* hbool_t evictions_enabled = */ TRUE, \ /* hbool_t set_initial_size = */ TRUE, \ /* size_t initial_size = */ ( 2 * 1024 * 1024), \ /* double min_clean_fraction = */ 0.01F, \ /* size_t max_size = */ (32 * 1024 * 1024), \ /* size_t min_size = */ ( 1 * 1024 * 1024), \ /* long int epoch_length = */ 50000, \ /* enum H5C_cache_incr_mode incr_mode = */ H5C_incr__threshold, \ /* double lower_hr_threshold = */ 0.9F, \ /* double increment = */ 2.0F, \ /* hbool_t apply_max_increment = */ TRUE, \ /* size_t max_increment = */ (4 * 1024 * 1024), \ /* enum H5C_cache_flash_incr_mode */ \ /* flash_incr_mode = */ H5C_flash_incr__add_space, \ /* double flash_multiple = */ 1.4F, \ /* double flash_threshold = */ 0.25F, \ /* enum H5C_cache_decr_mode decr_mode = */ H5C_decr__age_out_with_threshold,\ /* double upper_hr_threshold = */ H5_DOUBLE(0.999), \ /* double decrement = */ 0.9F, \ /* hbool_t apply_max_decrement = */ TRUE, \ /* size_t max_decrement = */ (1 * 1024 * 1024), \ /* int epochs_before_eviction = */ 3, \ /* hbool_t apply_empty_reserve = */ TRUE, \ /* double empty_reserve = */ 0.1F, \ /* int dirty_bytes_threshold = */ (256 * 1024), \ /* int metadata_write_strategy = */ \ H5AC__DEFAULT_METADATA_WRITE_STRATEGY \ } #endif /* H5_HAVE_PARALLEL */ /* * Library prototypes. */ /* #defines of flags used in the flags parameters in some of the * following function calls. Note that they are just copies of * the equivalent flags from H5Cprivate.h. */ #define H5AC__NO_FLAGS_SET H5C__NO_FLAGS_SET #define H5AC__SET_FLUSH_MARKER_FLAG H5C__SET_FLUSH_MARKER_FLAG #define H5AC__DELETED_FLAG H5C__DELETED_FLAG #define H5AC__DIRTIED_FLAG H5C__DIRTIED_FLAG #define H5AC__PIN_ENTRY_FLAG H5C__PIN_ENTRY_FLAG #define H5AC__UNPIN_ENTRY_FLAG H5C__UNPIN_ENTRY_FLAG #define H5AC__FLUSH_INVALIDATE_FLAG H5C__FLUSH_INVALIDATE_FLAG #define H5AC__FLUSH_CLEAR_ONLY_FLAG H5C__FLUSH_CLEAR_ONLY_FLAG #define H5AC__FLUSH_MARKED_ENTRIES_FLAG H5C__FLUSH_MARKED_ENTRIES_FLAG #define H5AC__FLUSH_IGNORE_PROTECTED_FLAG H5C__FLUSH_IGNORE_PROTECTED_FLAG #define H5AC__FREE_FILE_SPACE_FLAG H5C__FREE_FILE_SPACE_FLAG #define H5AC__TAKE_OWNERSHIP_FLAG H5C__TAKE_OWNERSHIP_FLAG /* #defines of flags used to report entry status in the * H5AC_get_entry_status() call. */ #define H5AC_ES__IN_CACHE 0x0001 #define H5AC_ES__IS_DIRTY 0x0002 #define H5AC_ES__IS_PROTECTED 0x0004 #define H5AC_ES__IS_PINNED 0x0008 /* external function declarations: */ H5_DLL herr_t H5AC_init(void); H5_DLL herr_t H5AC_create(const H5F_t *f, H5AC_cache_config_t *config_ptr); H5_DLL herr_t H5AC_get_entry_status(const H5F_t *f, haddr_t addr, unsigned * status_ptr); H5_DLL herr_t H5AC_insert_entry(H5F_t *f, hid_t dxpl_id, const H5AC_class_t *type, haddr_t addr, void *thing, unsigned int flags); H5_DLL herr_t H5AC_pin_protected_entry(void *thing); H5_DLL void * H5AC_protect(H5F_t *f, hid_t dxpl_id, const H5AC_class_t *type, haddr_t addr, void *udata, H5AC_protect_t rw); H5_DLL herr_t H5AC_resize_entry(void *thing, size_t new_size); H5_DLL herr_t H5AC_unpin_entry(void *thing); H5_DLL herr_t H5AC_unprotect(H5F_t *f, hid_t dxpl_id, const H5AC_class_t *type, haddr_t addr, void *thing, unsigned flags); H5_DLL herr_t H5AC_flush(H5F_t *f, hid_t dxpl_id); H5_DLL herr_t H5AC_mark_entry_dirty(void *thing); H5_DLL herr_t H5AC_move_entry(H5F_t *f, const H5AC_class_t *type, haddr_t old_addr, haddr_t new_addr); H5_DLL herr_t H5AC_dest(H5F_t *f, hid_t dxpl_id); H5_DLL herr_t H5AC_expunge_entry(H5F_t *f, hid_t dxpl_id, const H5AC_class_t *type, haddr_t addr, unsigned flags); H5_DLL herr_t H5AC_set_sync_point_done_callback(H5C_t *cache_ptr, void (*sync_point_done)(int num_writes, haddr_t *written_entries_tbl)); H5_DLL herr_t H5AC_set_write_done_callback(H5C_t * cache_ptr, void (* write_done)(void)); H5_DLL herr_t H5AC_stats(const H5F_t *f); H5_DLL herr_t H5AC_dump_cache(const H5F_t *f); H5_DLL herr_t H5AC_get_cache_auto_resize_config(const H5AC_t * cache_ptr, H5AC_cache_config_t *config_ptr); H5_DLL herr_t H5AC_get_cache_size(H5AC_t * cache_ptr, size_t * max_size_ptr, size_t * min_clean_size_ptr, size_t * cur_size_ptr, int32_t * cur_num_entries_ptr); H5_DLL herr_t H5AC_get_cache_hit_rate(H5AC_t * cache_ptr, double * hit_rate_ptr); H5_DLL herr_t H5AC_reset_cache_hit_rate_stats(H5AC_t * cache_ptr); H5_DLL herr_t H5AC_set_cache_auto_resize_config(H5AC_t *cache_ptr, H5AC_cache_config_t *config_ptr); H5_DLL herr_t H5AC_validate_config(H5AC_cache_config_t * config_ptr); H5_DLL herr_t H5AC_close_trace_file( H5AC_t * cache_ptr); H5_DLL herr_t H5AC_open_trace_file(H5AC_t * cache_ptr, const char * trace_file_name); #ifdef H5_HAVE_PARALLEL H5_DLL herr_t H5AC_add_candidate(H5AC_t * cache_ptr, haddr_t addr); #endif /* H5_HAVE_PARALLEL */ #endif /* !_H5ACprivate_H */