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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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Programmer: Quincey Koziol
* Tuesday, June 17, 2008
*
* Purpose: This file contains declarations which are visible only
* within the H5EA package. Source files outside the H5EA
* package should include H5EAprivate.h instead.
*/
#if !(defined(H5EA_FRIEND) | defined(H5EA_MODULE))
#error "Do not include this file outside the H5EA package!"
#endif
#ifndef H5EApkg_H
#define H5EApkg_H
/* Get package's private header */
#include "H5EAprivate.h"
/* Other private headers needed by this file */
#include "H5FLprivate.h" /* Free Lists */
/**************************/
/* Package Private Macros */
/**************************/
/* Fill value for extensible array test class */
#ifdef H5EA_TESTING
#define H5EA_TEST_FILL ((uint64_t)ULLONG_MAX)
#endif /* H5EA_TESTING */
/* Size of checksum information (on disk) */
#define H5EA_SIZEOF_CHKSUM 4
/* "Standard" size of prefix information for extensible array metadata */
#define H5EA_METADATA_PREFIX_SIZE(c) \
(H5_SIZEOF_MAGIC /* Signature */ \
+ 1 /* Version */ \
+ 1 /* Array type */ \
+ ((c) ? H5EA_SIZEOF_CHKSUM : 0) /* Metadata checksum */ \
)
/* Size of the extensible array header on disk */
#define H5EA_HEADER_SIZE(sizeof_addr, sizeof_size) \
(/* General metadata fields */ \
H5EA_METADATA_PREFIX_SIZE(TRUE) \
\
/* General array information */ \
+ 1 /* Element Size */ \
+ 1 /* Max. # of elements bits */ \
+ 1 /* # of elements to store in index block */ \
+ 1 /* Min. # elements per data block */ \
+ 1 /* Min. # of data block pointers for a super block */ \
+ 1 /* Log2(Max. # of elements in data block page) - i.e. # of bits needed to store max. # of elements \
in data block page */ \
\
/* Extensible Array statistics fields */ \
+ (sizeof_size) /* Number of super blocks created */ \
+ (sizeof_size) /* Size of super blocks created */ \
+ (sizeof_size) /* Number of data blocks created */ \
+ (sizeof_size) /* Size of data blocks created */ \
+ (sizeof_size) /* Max. index set */ \
+ (sizeof_size) /* Number of elements 'realized' */ \
\
/* Extensible Array Header specific fields */ \
+ (sizeof_addr) /* File address of index block */ \
)
/* Size of the extensible array header on disk (via file pointer) */
#define H5EA_HEADER_SIZE_FILE(f) (H5EA_HEADER_SIZE(H5F_SIZEOF_ADDR(f), H5F_SIZEOF_SIZE(f)))
/* Size of the extensible array header on disk (via extensible array header) */
#define H5EA_HEADER_SIZE_HDR(h) (H5EA_HEADER_SIZE((h)->sizeof_addr, (h)->sizeof_size))
/* Size of the extensible array index block on disk */
#define H5EA_IBLOCK_SIZE(i) \
(/* General metadata fields */ \
H5EA_METADATA_PREFIX_SIZE(TRUE) \
\
/* Sanity-checking fields */ \
+ (i)->hdr->sizeof_addr /* File address of array owning the block */ \
\
/* Extensible Array Index Block specific fields */ \
+ ((size_t)(i)->hdr->cparam.idx_blk_elmts * \
(size_t)(i)->hdr->cparam.raw_elmt_size) /* Elements in index block */ \
+ ((i)->ndblk_addrs * (i)->hdr->sizeof_addr) /* Data block addresses in index block */ \
+ ((i)->nsblk_addrs * (i)->hdr->sizeof_addr) /* Super block addresses in index block */ \
)
/* Size of the extensible array super block on disk */
#define H5EA_SBLOCK_SIZE(s) \
(/* General metadata fields */ \
H5EA_METADATA_PREFIX_SIZE(TRUE) \
\
/* Sanity-checking fields */ \
+ (s)->hdr->sizeof_addr /* File address of array owning the block */ \
+ (s)->hdr->arr_off_size /* Offset of the block in the array */ \
\
/* Extensible Array Super Block specific fields */ \
+ \
((s)->ndblks * \
(s)->dblk_page_init_size) /* Data block 'page init' bitmasks in super block (can be 0 if no pages) */ \
+ ((s)->ndblks * (s)->hdr->sizeof_addr) /* Data block addresses in super block */ \
)
/* Size of the extensible array data block prefix on disk */
#define H5EA_DBLOCK_PREFIX_SIZE(d) \
(/* General metadata fields */ \
H5EA_METADATA_PREFIX_SIZE(TRUE) \
\
/* Sanity-checking fields */ \
+ (d)->hdr->sizeof_addr /* File address of array owning the block */ \
+ (d)->hdr->arr_off_size /* Offset of the block in the array */ \
)
/* Size of the extensible array data block on disk */
#define H5EA_DBLOCK_SIZE(d) \
(/* Data block prefix size */ \
H5EA_DBLOCK_PREFIX_SIZE(d) \
\
/* Extensible Array Data Block specific fields */ \
+ ((d)->nelmts * (size_t)(d)->hdr->cparam.raw_elmt_size) /* Elements in data block */ \
+ ((d)->npages * H5EA_SIZEOF_CHKSUM) /* Checksum for each page */ \
)
/* Size of the extensible array data block page on disk */
#define H5EA_DBLK_PAGE_SIZE(h) \
(+((h)->dblk_page_nelmts * (size_t)(h)->cparam.raw_elmt_size) /* Elements in data block page */ \
+ H5EA_SIZEOF_CHKSUM /* Checksum for each page */ \
)
/* Compute the # of bytes required to store an offset into a given buffer size */
#define H5EA_SIZEOF_OFFSET_BITS(b) (((b) + 7) / 8)
/* Compute the first super block index that will hold a certain # of data block pointers */
#define H5EA_SBLK_FIRST_IDX(m) (2 * H5VM_log2_of2((uint32_t)m))
/****************************/
/* Package Private Typedefs */
/****************************/
/* Information for each super block in extensible array */
typedef struct H5EA_sblk_info_t {
size_t ndblks; /* Number of data blocks for a super block */
size_t dblk_nelmts; /* Number of elements in each data block for super block */
hsize_t start_idx; /* Index of first element in super block */
hsize_t start_dblk; /* Index of first data block in super block */
} H5EA_sblk_info_t;
/* The extensible array header information */
/* (Each extensible array header has certain information that is shared across
* all the blocks in that extensible array)
*/
typedef struct H5EA_hdr_t {
/* Information for H5AC cache functions, _must_ be first field in structure */
H5AC_info_t cache_info;
/* Extensible array configuration/creation parameters (stored in header) */
H5EA_create_t cparam; /* Creation parameters for extensible array */
/* Index block information (stored in header) */
haddr_t idx_blk_addr; /* Address of index block in header */
/* Statistics for array (stored in index block, actually) */
/* (header and index number/size fields not stored) */
H5EA_stat_t stats; /* Statistics for extensible array */
/* Data block element buffer factory info (not stored in header) */
struct {
size_t nalloc; /* Number of factories allocated */
H5FL_fac_head_t **fac; /* Array of factories for data block element buffers */
} elmt_fac;
/* Computed/cached values (not stored in header) */
size_t rc; /* Reference count of heap's components using heap header */
haddr_t addr; /* Address of header in file */
size_t size; /* Size of header in file */
H5F_t *f; /* Pointer to file for extensible array */
size_t file_rc; /* Reference count of files using array header */
hbool_t pending_delete; /* Array is pending deletion */
size_t sizeof_addr; /* Size of file addresses */
size_t sizeof_size; /* Size of file sizes */
unsigned char arr_off_size; /* Size of array offsets (in bytes) */
/* Super block information (not stored) */
size_t nsblks; /* Number of superblocks needed for array */
H5EA_sblk_info_t *sblk_info; /* Array of information for each super block */
/* Data block information (not stored) */
size_t dblk_page_nelmts; /* # of elements per data block page */
/* Client information (not stored) */
void *cb_ctx; /* Callback context */
/* SWMR / Flush dependency information (not stored) */
hbool_t swmr_write; /* Flag indicating the file is opened with SWMR-write access */
H5AC_proxy_entry_t *top_proxy; /* 'Top' proxy cache entry for all array entries */
void *parent; /* Pointer to 'top' proxy flush dependency
* parent, if it exists, otherwise NULL.
* If the extensible array is being used
* to index a chunked dataset and the
* dataset metadata is modified by a
* SWMR writer, this field will be set
* equal to the object header proxy
* that is the flush dependency parent
* of the extensible array header.
*
* The field is used to avoid duplicate
* setups of the flush dependency
* relationship, and to allow the
* extensible array header to destroy
* the flush dependency on receipt of
* an eviction notification from the
* metadata cache.
*/
} H5EA_hdr_t;
/* The extensible array index block information */
typedef struct H5EA_iblock_t {
/* Information for H5AC cache functions, _must_ be first field in structure */
H5AC_info_t cache_info;
/* Extensible array information (stored) */
void *elmts; /* Buffer for elements stored in index block */
haddr_t *dblk_addrs; /* Buffer for addresses of data blocks in index block */
haddr_t *sblk_addrs; /* Buffer for addresses of super blocks in index block */
/* Internal array information (not stored) */
H5EA_hdr_t *hdr; /* Shared array header info */
haddr_t addr; /* Address of this index block on disk */
size_t size; /* Size of index block on disk */
/* SWMR / Flush dependency information (not stored) */
H5AC_proxy_entry_t *top_proxy; /* "Top" proxy cache entry for all array entries */
/* Computed/cached values (not stored) */
size_t nsblks; /* # of super blocks whose data block addresses are in index block */
size_t ndblk_addrs; /* Number of pointers to data blocks in index block */
size_t nsblk_addrs; /* Number of pointers to super blocks in index block */
} H5EA_iblock_t;
/* The extensible array super block information */
typedef struct H5EA_sblock_t {
/* Information for H5AC cache functions, _must_ be first field in structure */
H5AC_info_t cache_info;
/* Extensible array information (stored) */
hsize_t block_off; /* Offset of the block within the array's address space */
haddr_t *dblk_addrs; /* Addresses of data blocks in super block */
uint8_t *page_init; /* Bitmap of whether a data block page is initialized */
/* Internal array information (not stored) */
H5EA_hdr_t *hdr; /* Shared array header info */
haddr_t addr; /* Address of this index block on disk */
size_t size; /* Size of index block on disk */
/* SWMR / Flush dependency information (not stored) */
hbool_t has_hdr_depend; /* Whether this object has a flush dependency on the header */
H5AC_proxy_entry_t *top_proxy; /* "Top" proxy cache entry for all array entries */
H5EA_iblock_t *parent; /* Parent object for super block (index block) */
/* Computed/cached values (not stored) */
unsigned idx; /* Super block index within the extensible array */
size_t ndblks; /* # of data block addresses that are in super block */
size_t dblk_nelmts; /* # of elements for data blocks reachable through this super block */
size_t dblk_npages; /* # of pages in each data block */
size_t dblk_page_init_size; /* Size of 'page init' bitmask for each data block */
size_t dblk_page_size; /* Size of a data block page */
} H5EA_sblock_t;
/* The extensible array data block information */
typedef struct H5EA_dblock_t {
/* Information for H5AC cache functions, _must_ be first field in structure */
H5AC_info_t cache_info;
/* Extensible array information (stored) */
hsize_t block_off; /* Offset of the block within the array's address space */
void *elmts; /* Buffer for elements stored in data block */
/* Internal array information (not stored) */
H5EA_hdr_t *hdr; /* Shared array header info */
haddr_t addr; /* Address of this data block on disk */
size_t size; /* Size of data block on disk */
/* SWMR / Flush dependency information (not stored) */
hbool_t has_hdr_depend; /* Whether this object has a flush dependency on the header */
H5AC_proxy_entry_t *top_proxy; /* 'Top' proxy cache entry for all array entries */
void *parent; /* Parent object for data block (index or super block) */
/* Computed/cached values (not stored) */
size_t nelmts; /* Number of elements in block */
size_t npages; /* Number of pages in a block (zero if not paged) */
} H5EA_dblock_t;
/* The extensible array data block page information */
typedef struct H5EA_dbk_page_t {
/* Information for H5AC cache functions, _must_ be first field in structure */
H5AC_info_t cache_info;
/* Extensible array information (stored) */
void *elmts; /* Buffer for elements stored in data block page */
/* Internal array information (not stored) */
H5EA_hdr_t *hdr; /* Shared array header info */
haddr_t addr; /* Address of this data block page on disk */
size_t size; /* Size of data block page on disk */
/* SWMR / Flush dependency information (not stored) */
hbool_t has_hdr_depend; /* Whether this object has a flush dependency on the header */
H5AC_proxy_entry_t *top_proxy; /* "Top" proxy cache entry for all array entries */
H5EA_sblock_t *parent; /* Parent object for data block page (super block) */
/* Computed/cached values (not stored) */
/* <none> */
} H5EA_dblk_page_t;
/* Extensible array */
struct H5EA_t {
H5EA_hdr_t *hdr; /* Pointer to internal extensible array header info */
H5F_t *f; /* Pointer to file for extensible array */
};
/* Metadata cache callback user data types */
/* Info needed for loading header */
typedef struct H5EA_hdr_cache_ud_t {
H5F_t *f; /* Pointer to file for extensible array */
haddr_t addr; /* Address of header on disk */
void *ctx_udata; /* User context for class */
} H5EA_hdr_cache_ud_t;
/* Info needed for loading super block */
typedef struct H5EA_sblock_cache_ud_t {
H5EA_hdr_t *hdr; /* Shared extensible array information */
H5EA_iblock_t *parent; /* Pointer to parent object for super block (index block) */
unsigned sblk_idx; /* Index of super block */
haddr_t sblk_addr; /* Address of super block */
} H5EA_sblock_cache_ud_t;
/* Info needed for loading data block */
typedef struct H5EA_dblock_cache_ud_t {
H5EA_hdr_t *hdr; /* Shared extensible array information */
void *parent; /* Pointer to parent object for data block (index or super block) */
size_t nelmts; /* Number of elements in data block */
haddr_t dblk_addr; /* Address of data block */
} H5EA_dblock_cache_ud_t;
/* Info needed for loading data block page */
typedef struct H5EA_dblk_page_cache_ud_t {
H5EA_hdr_t *hdr; /* Shared extensible array information */
H5EA_sblock_t *parent; /* Pointer to parent object for data block page (super block) */
haddr_t dblk_page_addr; /* Address of data block page */
} H5EA_dblk_page_cache_ud_t;
#ifdef H5EA_TESTING
typedef struct H5EA__ctx_cb_t {
herr_t (*encode)(const void *elmt, size_t nelmts, void *udata); /* Perform action during encode step */
void *udata; /* User data for encode action */
} H5EA__ctx_cb_t;
#endif /* H5EA_TESTING */
/*****************************/
/* Package Private Variables */
/*****************************/
/* Internal extensible array testing class */
H5_DLLVAR const H5EA_class_t H5EA_CLS_TEST[1];
/* Array of extensible array client ID -> client class mappings */
H5_DLLVAR const H5EA_class_t *const H5EA_client_class_g[H5EA_NUM_CLS_ID];
/******************************/
/* Package Private Prototypes */
/******************************/
/* Generic routines */
H5_DLL herr_t H5EA__create_flush_depend(H5AC_info_t *parent_entry, H5AC_info_t *child_entry);
H5_DLL herr_t H5EA__destroy_flush_depend(H5AC_info_t *parent_entry, H5AC_info_t *child_entry);
/* Header routines */
H5_DLL H5EA_hdr_t *H5EA__hdr_alloc(H5F_t *f);
H5_DLL herr_t H5EA__hdr_init(H5EA_hdr_t *hdr, void *ctx_udata);
H5_DLL haddr_t H5EA__hdr_create(H5F_t *f, const H5EA_create_t *cparam, void *ctx_udata);
H5_DLL void *H5EA__hdr_alloc_elmts(H5EA_hdr_t *hdr, size_t nelmts);
H5_DLL herr_t H5EA__hdr_free_elmts(H5EA_hdr_t *hdr, size_t nelmts, void *elmts);
H5_DLL herr_t H5EA__hdr_incr(H5EA_hdr_t *hdr);
H5_DLL herr_t H5EA__hdr_decr(H5EA_hdr_t *hdr);
H5_DLL herr_t H5EA__hdr_fuse_incr(H5EA_hdr_t *hdr);
H5_DLL size_t H5EA__hdr_fuse_decr(H5EA_hdr_t *hdr);
H5_DLL herr_t H5EA__hdr_modified(H5EA_hdr_t *hdr);
H5_DLL H5EA_hdr_t *H5EA__hdr_protect(H5F_t *f, haddr_t ea_addr, void *ctx_udata, unsigned flags);
H5_DLL herr_t H5EA__hdr_unprotect(H5EA_hdr_t *hdr, unsigned cache_flags);
H5_DLL herr_t H5EA__hdr_delete(H5EA_hdr_t *hdr);
H5_DLL herr_t H5EA__hdr_dest(H5EA_hdr_t *hdr);
/* Index block routines */
H5_DLL H5EA_iblock_t *H5EA__iblock_alloc(H5EA_hdr_t *hdr);
H5_DLL haddr_t H5EA__iblock_create(H5EA_hdr_t *hdr, hbool_t *stats_changed);
H5_DLL H5EA_iblock_t *H5EA__iblock_protect(H5EA_hdr_t *hdr, unsigned flags);
H5_DLL herr_t H5EA__iblock_unprotect(H5EA_iblock_t *iblock, unsigned cache_flags);
H5_DLL herr_t H5EA__iblock_delete(H5EA_hdr_t *hdr);
H5_DLL herr_t H5EA__iblock_dest(H5EA_iblock_t *iblock);
/* Super block routines */
H5_DLL H5EA_sblock_t *H5EA__sblock_alloc(H5EA_hdr_t *hdr, H5EA_iblock_t *parent, unsigned sblk_idx);
H5_DLL haddr_t H5EA__sblock_create(H5EA_hdr_t *hdr, H5EA_iblock_t *parent, hbool_t *stats_changed,
unsigned sblk_idx);
H5_DLL H5EA_sblock_t *H5EA__sblock_protect(H5EA_hdr_t *hdr, H5EA_iblock_t *parent, haddr_t sblk_addr,
unsigned sblk_idx, unsigned flags);
H5_DLL herr_t H5EA__sblock_unprotect(H5EA_sblock_t *sblock, unsigned cache_flags);
H5_DLL herr_t H5EA__sblock_delete(H5EA_hdr_t *hdr, H5EA_iblock_t *parent, haddr_t sblk_addr,
unsigned sblk_idx);
H5_DLL herr_t H5EA__sblock_dest(H5EA_sblock_t *sblock);
/* Data block routines */
H5_DLL H5EA_dblock_t *H5EA__dblock_alloc(H5EA_hdr_t *hdr, void *parent, size_t nelmts);
H5_DLL haddr_t H5EA__dblock_create(H5EA_hdr_t *hdr, void *parent, hbool_t *stats_changed, hsize_t dblk_off,
size_t nelmts);
H5_DLL unsigned H5EA__dblock_sblk_idx(const H5EA_hdr_t *hdr, hsize_t idx);
H5_DLL H5EA_dblock_t *H5EA__dblock_protect(H5EA_hdr_t *hdr, void *parent, haddr_t dblk_addr,
size_t dblk_nelmts, unsigned flags);
H5_DLL herr_t H5EA__dblock_unprotect(H5EA_dblock_t *dblock, unsigned cache_flags);
H5_DLL herr_t H5EA__dblock_delete(H5EA_hdr_t *hdr, void *parent, haddr_t dblk_addr, size_t dblk_nelmts);
H5_DLL herr_t H5EA__dblock_dest(H5EA_dblock_t *dblock);
/* Data block page routines */
H5_DLL H5EA_dblk_page_t *H5EA__dblk_page_alloc(H5EA_hdr_t *hdr, H5EA_sblock_t *parent);
H5_DLL herr_t H5EA__dblk_page_create(H5EA_hdr_t *hdr, H5EA_sblock_t *parent, haddr_t addr);
H5_DLL H5EA_dblk_page_t *H5EA__dblk_page_protect(H5EA_hdr_t *hdr, H5EA_sblock_t *parent,
haddr_t dblk_page_addr, unsigned flags);
H5_DLL herr_t H5EA__dblk_page_unprotect(H5EA_dblk_page_t *dblk_page, unsigned cache_flags);
H5_DLL herr_t H5EA__dblk_page_dest(H5EA_dblk_page_t *dblk_page);
/* Debugging routines for dumping file structures */
H5_DLL herr_t H5EA__hdr_debug(H5F_t *f, haddr_t addr, FILE *stream, int indent, int fwidth,
const H5EA_class_t *cls, haddr_t obj_addr);
H5_DLL herr_t H5EA__iblock_debug(H5F_t *f, haddr_t addr, FILE *stream, int indent, int fwidth,
const H5EA_class_t *cls, haddr_t hdr_addr, haddr_t obj_addr);
H5_DLL herr_t H5EA__sblock_debug(H5F_t *f, haddr_t addr, FILE *stream, int indent, int fwidth,
const H5EA_class_t *cls, haddr_t hdr_addr, unsigned sblk_idx,
haddr_t obj_addr);
H5_DLL herr_t H5EA__dblock_debug(H5F_t *f, haddr_t addr, FILE *stream, int indent, int fwidth,
const H5EA_class_t *cls, haddr_t hdr_addr, size_t dblk_nelmts,
haddr_t obj_addr);
/* Testing routines */
#ifdef H5EA_TESTING
H5_DLL herr_t H5EA__get_cparam_test(const H5EA_t *ea, H5EA_create_t *cparam);
H5_DLL int H5EA__cmp_cparam_test(const H5EA_create_t *cparam1, const H5EA_create_t *cparam2);
#endif /* H5EA_TESTING */
#endif /* H5EApkg_H */
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