summaryrefslogtreecommitdiffstats
path: root/src/H5EApkg.h
blob: 7540ff25786247b8cb516cdda92ba123ca4d4961 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * 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.     *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*
 * Programmer:      Quincey Koziol <koziol@hdfgroup.org>
 *                  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;         /* Nummber 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, hid_t dxpl_id, 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, hid_t dxpl_id, haddr_t ea_addr,
    void *ctx_udata, unsigned flags);
H5_DLL herr_t H5EA__hdr_unprotect(H5EA_hdr_t *hdr, hid_t dxpl_id, unsigned cache_flags);
H5_DLL herr_t H5EA__hdr_delete(H5EA_hdr_t *hdr, hid_t dxpl_id);
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, hid_t dxpl_id,
    hbool_t *stats_changed);
H5_DLL H5EA_iblock_t *H5EA__iblock_protect(H5EA_hdr_t *hdr, hid_t dxpl_id,
    unsigned flags);
H5_DLL herr_t H5EA__iblock_unprotect(H5EA_iblock_t *iblock, hid_t dxpl_id,
    unsigned cache_flags);
H5_DLL herr_t H5EA__iblock_delete(H5EA_hdr_t *hdr, hid_t dxpl_id);
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, hid_t dxpl_id,
    H5EA_iblock_t *parent, hbool_t *stats_changed, unsigned sblk_idx);
H5_DLL H5EA_sblock_t *H5EA__sblock_protect(H5EA_hdr_t *hdr, hid_t dxpl_id,
    H5EA_iblock_t *parent, haddr_t sblk_addr, unsigned sblk_idx, 
    unsigned flags);
H5_DLL herr_t H5EA__sblock_unprotect(H5EA_sblock_t *sblock, hid_t dxpl_id,
    unsigned cache_flags);
H5_DLL herr_t H5EA__sblock_delete(H5EA_hdr_t *hdr, hid_t dxpl_id,
    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, hid_t dxpl_id, 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, hid_t dxpl_id,
    void *parent, haddr_t dblk_addr, size_t dblk_nelmts, unsigned flags);
H5_DLL herr_t H5EA__dblock_unprotect(H5EA_dblock_t *dblock, hid_t dxpl_id,
    unsigned cache_flags);
H5_DLL herr_t H5EA__dblock_delete(H5EA_hdr_t *hdr, hid_t dxpl_id, 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, hid_t dxpl_id,
    H5EA_sblock_t *parent, haddr_t addr);
H5_DLL H5EA_dblk_page_t *H5EA__dblk_page_protect(H5EA_hdr_t *hdr, hid_t dxpl_id,
    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,
    hid_t dxpl_id, 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, hid_t dxpl_id, 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, hid_t dxpl_id, 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, hid_t dxpl_id, 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, hid_t dxpl_id, 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 */