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2bd0ea18 | 1 | /* |
0d3e0b37 | 2 | * Copyright (c) 2000-2001 Silicon Graphics, Inc. All Rights Reserved. |
dfc130f3 | 3 | * |
2bd0ea18 NS |
4 | * This program is free software; you can redistribute it and/or modify it |
5 | * under the terms of version 2 of the GNU General Public License as | |
6 | * published by the Free Software Foundation. | |
dfc130f3 | 7 | * |
2bd0ea18 NS |
8 | * This program is distributed in the hope that it would be useful, but |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
dfc130f3 | 11 | * |
2bd0ea18 NS |
12 | * Further, this software is distributed without any warranty that it is |
13 | * free of the rightful claim of any third person regarding infringement | |
14 | * or the like. Any license provided herein, whether implied or | |
15 | * otherwise, applies only to this software file. Patent licenses, if | |
16 | * any, provided herein do not apply to combinations of this program with | |
17 | * other software, or any other product whatsoever. | |
dfc130f3 | 18 | * |
2bd0ea18 NS |
19 | * You should have received a copy of the GNU General Public License along |
20 | * with this program; if not, write the Free Software Foundation, Inc., 59 | |
21 | * Temple Place - Suite 330, Boston MA 02111-1307, USA. | |
dfc130f3 | 22 | * |
2bd0ea18 NS |
23 | * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, |
24 | * Mountain View, CA 94043, or: | |
dfc130f3 RC |
25 | * |
26 | * http://www.sgi.com | |
27 | * | |
28 | * For further information regarding this notice, see: | |
29 | * | |
2bd0ea18 NS |
30 | * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ |
31 | */ | |
32 | ||
33 | #include <libxfs.h> | |
34 | #include "bit.h" | |
35 | #include "type.h" | |
36 | #include "faddr.h" | |
37 | #include "fprint.h" | |
38 | #include "field.h" | |
39 | #include "attr.h" | |
40 | #include "io.h" | |
4ca431fc | 41 | #include "init.h" |
2bd0ea18 NS |
42 | |
43 | static int attr_leaf_entries_count(void *obj, int startoff); | |
44 | static int attr_leaf_hdr_count(void *obj, int startoff); | |
45 | static int attr_leaf_name_local_count(void *obj, int startoff); | |
46 | static int attr_leaf_name_local_name_count(void *obj, int startoff); | |
47 | static int attr_leaf_name_local_value_count(void *obj, int startoff); | |
48 | static int attr_leaf_name_local_value_offset(void *obj, int startoff, | |
49 | int idx); | |
50 | static int attr_leaf_name_remote_count(void *obj, int startoff); | |
51 | static int attr_leaf_name_remote_name_count(void *obj, int startoff); | |
52 | static int attr_leaf_nvlist_count(void *obj, int startoff); | |
53 | static int attr_leaf_nvlist_offset(void *obj, int startoff, int idx); | |
54 | static int attr_node_btree_count(void *obj, int startoff); | |
55 | static int attr_node_hdr_count(void *obj, int startoff); | |
56 | ||
57 | const field_t attr_hfld[] = { | |
58 | { "", FLDT_ATTR, OI(0), C1, 0, TYP_NONE }, | |
59 | { NULL } | |
60 | }; | |
61 | ||
62 | #define LOFF(f) bitize(offsetof(xfs_attr_leafblock_t, f)) | |
63 | #define NOFF(f) bitize(offsetof(xfs_da_intnode_t, f)) | |
64 | const field_t attr_flds[] = { | |
65 | { "hdr", FLDT_ATTR_LEAF_HDR, OI(LOFF(hdr)), attr_leaf_hdr_count, | |
66 | FLD_COUNT, TYP_NONE }, | |
67 | { "hdr", FLDT_ATTR_NODE_HDR, OI(NOFF(hdr)), attr_node_hdr_count, | |
68 | FLD_COUNT, TYP_NONE }, | |
69 | { "entries", FLDT_ATTR_LEAF_ENTRY, OI(LOFF(entries)), | |
70 | attr_leaf_entries_count, FLD_ARRAY|FLD_COUNT, TYP_NONE }, | |
71 | { "btree", FLDT_ATTR_NODE_ENTRY, OI(NOFF(btree)), attr_node_btree_count, | |
72 | FLD_ARRAY|FLD_COUNT, TYP_NONE }, | |
73 | { "nvlist", FLDT_ATTR_LEAF_NAME, attr_leaf_nvlist_offset, | |
74 | attr_leaf_nvlist_count, FLD_ARRAY|FLD_OFFSET|FLD_COUNT, TYP_NONE }, | |
75 | { NULL } | |
76 | }; | |
77 | ||
78 | #define BOFF(f) bitize(offsetof(xfs_da_blkinfo_t, f)) | |
79 | const field_t attr_blkinfo_flds[] = { | |
80 | { "forw", FLDT_ATTRBLOCK, OI(BOFF(forw)), C1, 0, TYP_ATTR }, | |
81 | { "back", FLDT_ATTRBLOCK, OI(BOFF(back)), C1, 0, TYP_ATTR }, | |
82 | { "magic", FLDT_UINT16X, OI(BOFF(magic)), C1, 0, TYP_NONE }, | |
83 | { "pad", FLDT_UINT16X, OI(BOFF(pad)), C1, FLD_SKIPALL, TYP_NONE }, | |
84 | { NULL } | |
85 | }; | |
86 | ||
87 | #define LEOFF(f) bitize(offsetof(xfs_attr_leaf_entry_t, f)) | |
88 | const field_t attr_leaf_entry_flds[] = { | |
89 | { "hashval", FLDT_UINT32X, OI(LEOFF(hashval)), C1, 0, TYP_NONE }, | |
90 | { "nameidx", FLDT_UINT16D, OI(LEOFF(nameidx)), C1, 0, TYP_NONE }, | |
91 | { "flags", FLDT_UINT8X, OI(LEOFF(flags)), C1, FLD_SKIPALL, TYP_NONE }, | |
92 | { "incomplete", FLDT_UINT1, | |
93 | OI(LEOFF(flags) + bitsz(__uint8_t) - XFS_ATTR_INCOMPLETE_BIT - 1), C1, | |
94 | 0, TYP_NONE }, | |
95 | { "root", FLDT_UINT1, | |
96 | OI(LEOFF(flags) + bitsz(__uint8_t) - XFS_ATTR_ROOT_BIT - 1), C1, 0, | |
97 | TYP_NONE }, | |
98 | { "local", FLDT_UINT1, | |
99 | OI(LEOFF(flags) + bitsz(__uint8_t) - XFS_ATTR_LOCAL_BIT - 1), C1, 0, | |
100 | TYP_NONE }, | |
101 | { "pad2", FLDT_UINT8X, OI(LEOFF(pad2)), C1, FLD_SKIPALL, TYP_NONE }, | |
102 | { NULL } | |
103 | }; | |
104 | ||
105 | #define LHOFF(f) bitize(offsetof(xfs_attr_leaf_hdr_t, f)) | |
106 | const field_t attr_leaf_hdr_flds[] = { | |
107 | { "info", FLDT_ATTR_BLKINFO, OI(LHOFF(info)), C1, 0, TYP_NONE }, | |
108 | { "count", FLDT_UINT16D, OI(LHOFF(count)), C1, 0, TYP_NONE }, | |
109 | { "usedbytes", FLDT_UINT16D, OI(LHOFF(usedbytes)), C1, 0, TYP_NONE }, | |
110 | { "firstused", FLDT_UINT16D, OI(LHOFF(firstused)), C1, 0, TYP_NONE }, | |
111 | { "holes", FLDT_UINT8D, OI(LHOFF(holes)), C1, 0, TYP_NONE }, | |
112 | { "pad1", FLDT_UINT8X, OI(LHOFF(pad1)), C1, FLD_SKIPALL, TYP_NONE }, | |
113 | { "freemap", FLDT_ATTR_LEAF_MAP, OI(LHOFF(freemap)), | |
114 | CI(XFS_ATTR_LEAF_MAPSIZE), FLD_ARRAY, TYP_NONE }, | |
115 | { NULL } | |
116 | }; | |
117 | ||
118 | #define LMOFF(f) bitize(offsetof(xfs_attr_leaf_map_t, f)) | |
119 | const field_t attr_leaf_map_flds[] = { | |
120 | { "base", FLDT_UINT16D, OI(LMOFF(base)), C1, 0, TYP_NONE }, | |
121 | { "size", FLDT_UINT16D, OI(LMOFF(size)), C1, 0, TYP_NONE }, | |
122 | { NULL } | |
123 | }; | |
124 | ||
125 | #define LNOFF(f) bitize(offsetof(xfs_attr_leaf_name_local_t, f)) | |
126 | #define LVOFF(f) bitize(offsetof(xfs_attr_leaf_name_remote_t, f)) | |
127 | const field_t attr_leaf_name_flds[] = { | |
128 | { "valuelen", FLDT_UINT16D, OI(LNOFF(valuelen)), | |
129 | attr_leaf_name_local_count, FLD_COUNT, TYP_NONE }, | |
130 | { "namelen", FLDT_UINT8D, OI(LNOFF(namelen)), | |
131 | attr_leaf_name_local_count, FLD_COUNT, TYP_NONE }, | |
132 | { "name", FLDT_CHARNS, OI(LNOFF(nameval)), | |
133 | attr_leaf_name_local_name_count, FLD_COUNT, TYP_NONE }, | |
134 | { "value", FLDT_CHARNS, attr_leaf_name_local_value_offset, | |
135 | attr_leaf_name_local_value_count, FLD_COUNT|FLD_OFFSET, TYP_NONE }, | |
136 | { "valueblk", FLDT_UINT32X, OI(LVOFF(valueblk)), | |
137 | attr_leaf_name_remote_count, FLD_COUNT, TYP_NONE }, | |
138 | { "valuelen", FLDT_UINT32D, OI(LVOFF(valuelen)), | |
139 | attr_leaf_name_remote_count, FLD_COUNT, TYP_NONE }, | |
140 | { "namelen", FLDT_UINT8D, OI(LVOFF(namelen)), | |
141 | attr_leaf_name_remote_count, FLD_COUNT, TYP_NONE }, | |
142 | { "name", FLDT_CHARNS, OI(LVOFF(name)), | |
143 | attr_leaf_name_remote_name_count, FLD_COUNT, TYP_NONE }, | |
144 | { NULL } | |
145 | }; | |
146 | ||
147 | #define EOFF(f) bitize(offsetof(xfs_da_node_entry_t, f)) | |
148 | const field_t attr_node_entry_flds[] = { | |
149 | { "hashval", FLDT_UINT32X, OI(EOFF(hashval)), C1, 0, TYP_NONE }, | |
150 | { "before", FLDT_ATTRBLOCK, OI(EOFF(before)), C1, 0, TYP_ATTR }, | |
151 | { NULL } | |
152 | }; | |
153 | ||
154 | #define HOFF(f) bitize(offsetof(xfs_da_node_hdr_t, f)) | |
155 | const field_t attr_node_hdr_flds[] = { | |
156 | { "info", FLDT_ATTR_BLKINFO, OI(HOFF(info)), C1, 0, TYP_NONE }, | |
157 | { "count", FLDT_UINT16D, OI(HOFF(count)), C1, 0, TYP_NONE }, | |
158 | { "level", FLDT_UINT16D, OI(HOFF(level)), C1, 0, TYP_NONE }, | |
159 | { NULL } | |
160 | }; | |
161 | ||
162 | /*ARGSUSED*/ | |
163 | static int | |
164 | attr_leaf_entries_count( | |
165 | void *obj, | |
166 | int startoff) | |
167 | { | |
168 | xfs_attr_leafblock_t *block; | |
dfc130f3 | 169 | |
2bd0ea18 NS |
170 | ASSERT(startoff == 0); |
171 | block = obj; | |
172 | if (INT_GET(block->hdr.info.magic, ARCH_CONVERT) | |
173 | != XFS_ATTR_LEAF_MAGIC) { | |
174 | return 0; | |
175 | } | |
176 | ||
177 | return INT_GET(block->hdr.count, ARCH_CONVERT); | |
178 | } | |
179 | ||
180 | /*ARGSUSED*/ | |
181 | static int | |
182 | attr_leaf_hdr_count( | |
183 | void *obj, | |
184 | int startoff) | |
185 | { | |
186 | xfs_attr_leafblock_t *block; | |
dfc130f3 | 187 | |
2bd0ea18 NS |
188 | ASSERT(startoff == 0); |
189 | block = obj; | |
190 | return INT_GET(block->hdr.info.magic, ARCH_CONVERT) | |
191 | == XFS_ATTR_LEAF_MAGIC; | |
192 | } | |
193 | ||
194 | static int | |
195 | attr_leaf_name_local_count( | |
196 | void *obj, | |
197 | int startoff) | |
198 | { | |
199 | xfs_attr_leafblock_t *block; | |
200 | xfs_attr_leaf_entry_t *e; | |
201 | int i; | |
202 | int off; | |
203 | ||
204 | ASSERT(bitoffs(startoff) == 0); | |
205 | off = byteize(startoff); | |
206 | block = obj; | |
207 | if (INT_GET(block->hdr.info.magic, ARCH_CONVERT) | |
208 | != XFS_ATTR_LEAF_MAGIC) | |
209 | return 0; | |
210 | for (i = 0; i < INT_GET(block->hdr.count, ARCH_CONVERT); i++) { | |
211 | e = &block->entries[i]; | |
212 | if (INT_GET(e->nameidx, ARCH_CONVERT) == off) | |
213 | return (INT_GET(e->flags, ARCH_CONVERT) | |
214 | & XFS_ATTR_LOCAL) != 0; | |
215 | } | |
216 | return 0; | |
217 | } | |
218 | ||
219 | static int | |
220 | attr_leaf_name_local_name_count( | |
221 | void *obj, | |
222 | int startoff) | |
223 | { | |
224 | xfs_attr_leafblock_t *block; | |
225 | xfs_attr_leaf_entry_t *e; | |
226 | int i; | |
227 | xfs_attr_leaf_name_local_t *l; | |
228 | int off; | |
229 | ||
230 | ASSERT(bitoffs(startoff) == 0); | |
231 | off = byteize(startoff); | |
232 | block = obj; | |
233 | if (INT_GET(block->hdr.info.magic, ARCH_CONVERT) | |
234 | != XFS_ATTR_LEAF_MAGIC) | |
235 | return 0; | |
236 | for (i = 0; i < INT_GET(block->hdr.count, ARCH_CONVERT); i++) { | |
237 | e = &block->entries[i]; | |
238 | if (INT_GET(e->nameidx, ARCH_CONVERT) == off) { | |
239 | if (INT_GET(e->flags, ARCH_CONVERT) & XFS_ATTR_LOCAL) { | |
240 | l = XFS_ATTR_LEAF_NAME_LOCAL(block, i); | |
241 | return INT_GET(l->namelen, ARCH_CONVERT); | |
242 | } else | |
243 | return 0; | |
244 | } | |
245 | } | |
246 | return 0; | |
247 | } | |
248 | ||
249 | static int | |
250 | attr_leaf_name_local_value_count( | |
251 | void *obj, | |
252 | int startoff) | |
253 | { | |
254 | xfs_attr_leafblock_t *block; | |
255 | xfs_attr_leaf_entry_t *e; | |
256 | int i; | |
257 | xfs_attr_leaf_name_local_t *l; | |
258 | int off; | |
259 | ||
260 | ASSERT(bitoffs(startoff) == 0); | |
261 | off = byteize(startoff); | |
262 | block = obj; | |
263 | if (INT_GET(block->hdr.info.magic, ARCH_CONVERT) | |
264 | != XFS_ATTR_LEAF_MAGIC) | |
265 | return 0; | |
266 | for (i = 0; i < INT_GET(block->hdr.count, ARCH_CONVERT); i++) { | |
267 | e = &block->entries[i]; | |
268 | if (INT_GET(e->nameidx, ARCH_CONVERT) == off) { | |
269 | if (INT_GET(e->flags, ARCH_CONVERT) & XFS_ATTR_LOCAL) { | |
270 | l = XFS_ATTR_LEAF_NAME_LOCAL(block, i); | |
271 | return INT_GET(l->valuelen, ARCH_CONVERT); | |
272 | } else | |
273 | return 0; | |
274 | } | |
275 | } | |
276 | return 0; | |
277 | } | |
278 | ||
279 | /*ARGSUSED*/ | |
280 | static int | |
281 | attr_leaf_name_local_value_offset( | |
282 | void *obj, | |
283 | int startoff, | |
284 | int idx) | |
285 | { | |
286 | xfs_attr_leafblock_t *block; | |
287 | xfs_attr_leaf_name_local_t *l; | |
288 | char *vp; | |
289 | int off; | |
290 | xfs_attr_leaf_entry_t *e; | |
291 | int i; | |
292 | ||
293 | ASSERT(bitoffs(startoff) == 0); | |
294 | off = byteize(startoff); | |
295 | block = obj; | |
296 | if (INT_GET(block->hdr.info.magic, ARCH_CONVERT) | |
297 | != XFS_ATTR_LEAF_MAGIC) | |
298 | return 0; | |
dfc130f3 | 299 | |
2bd0ea18 NS |
300 | for (i = 0; i < INT_GET(block->hdr.count, ARCH_CONVERT); i++) { |
301 | e = &block->entries[i]; | |
302 | if (INT_GET(e->nameidx, ARCH_CONVERT) == off) | |
dfc130f3 | 303 | break; |
2bd0ea18 | 304 | } |
dfc130f3 RC |
305 | if (i>=INT_GET(block->hdr.count, ARCH_CONVERT)) return 0; |
306 | ||
2bd0ea18 NS |
307 | l = XFS_ATTR_LEAF_NAME_LOCAL(block, i); |
308 | vp = (char *)&l->nameval[l->namelen]; | |
309 | return (int)bitize(vp - (char *)l); | |
310 | } | |
311 | ||
312 | static int | |
313 | attr_leaf_name_remote_count( | |
314 | void *obj, | |
315 | int startoff) | |
316 | { | |
317 | xfs_attr_leafblock_t *block; | |
318 | xfs_attr_leaf_entry_t *e; | |
319 | int i; | |
320 | int off; | |
321 | ||
322 | ASSERT(bitoffs(startoff) == 0); | |
323 | off = byteize(startoff); | |
324 | block = obj; | |
325 | if (INT_GET(block->hdr.info.magic, ARCH_CONVERT) | |
326 | != XFS_ATTR_LEAF_MAGIC) | |
327 | return 0; | |
328 | for (i = 0; i < INT_GET(block->hdr.count, ARCH_CONVERT); i++) { | |
329 | e = &block->entries[i]; | |
330 | if (INT_GET(e->nameidx, ARCH_CONVERT) == off) | |
331 | return (INT_GET(e->flags, ARCH_CONVERT) & XFS_ATTR_LOCAL) == 0; | |
332 | } | |
333 | return 0; | |
334 | } | |
335 | ||
336 | static int | |
337 | attr_leaf_name_remote_name_count( | |
338 | void *obj, | |
339 | int startoff) | |
340 | { | |
341 | xfs_attr_leafblock_t *block; | |
342 | xfs_attr_leaf_entry_t *e; | |
343 | int i; | |
344 | int off; | |
345 | xfs_attr_leaf_name_remote_t *r; | |
346 | ||
347 | ASSERT(bitoffs(startoff) == 0); | |
348 | off = byteize(startoff); | |
349 | block = obj; | |
350 | if (INT_GET(block->hdr.info.magic, ARCH_CONVERT) | |
351 | != XFS_ATTR_LEAF_MAGIC) | |
352 | return 0; | |
353 | for (i = 0; i < INT_GET(block->hdr.count, ARCH_CONVERT); i++) { | |
354 | e = &block->entries[i]; | |
355 | if (INT_GET(e->nameidx, ARCH_CONVERT) == off) { | |
356 | if (!(INT_GET(e->flags, ARCH_CONVERT) & XFS_ATTR_LOCAL)) { | |
357 | r = XFS_ATTR_LEAF_NAME_REMOTE(block, i); | |
358 | return INT_GET(r->namelen, ARCH_CONVERT); | |
359 | } else | |
360 | return 0; | |
361 | } | |
362 | } | |
363 | return 0; | |
364 | } | |
365 | ||
366 | /*ARGSUSED*/ | |
367 | int | |
368 | attr_leaf_name_size( | |
369 | void *obj, | |
370 | int startoff, | |
371 | int idx) | |
372 | { | |
373 | xfs_attr_leafblock_t *block; | |
374 | xfs_attr_leaf_entry_t *e; | |
375 | xfs_attr_leaf_name_local_t *l; | |
376 | xfs_attr_leaf_name_remote_t *r; | |
377 | ||
378 | ASSERT(startoff == 0); | |
379 | block = obj; | |
380 | if (INT_GET(block->hdr.info.magic, ARCH_CONVERT) | |
381 | != XFS_ATTR_LEAF_MAGIC) | |
382 | return 0; | |
383 | e = &block->entries[idx]; | |
384 | if (INT_GET(e->flags, ARCH_CONVERT) & XFS_ATTR_LOCAL) { | |
385 | l = XFS_ATTR_LEAF_NAME_LOCAL(block, idx); | |
386 | return (int)bitize(XFS_ATTR_LEAF_ENTSIZE_LOCAL(INT_GET(l->namelen, ARCH_CONVERT), | |
387 | INT_GET(l->valuelen, ARCH_CONVERT))); | |
388 | } else { | |
389 | r = XFS_ATTR_LEAF_NAME_REMOTE(block, idx); | |
390 | return (int)bitize(XFS_ATTR_LEAF_ENTSIZE_REMOTE(INT_GET(r->namelen, ARCH_CONVERT))); | |
391 | } | |
392 | } | |
393 | ||
394 | /*ARGSUSED*/ | |
395 | static int | |
396 | attr_leaf_nvlist_count( | |
397 | void *obj, | |
398 | int startoff) | |
399 | { | |
400 | xfs_attr_leafblock_t *block; | |
401 | ||
402 | ASSERT(startoff == 0); | |
403 | block = obj; | |
404 | if (INT_GET(block->hdr.info.magic, ARCH_CONVERT) | |
405 | != XFS_ATTR_LEAF_MAGIC) | |
406 | return 0; | |
407 | return INT_GET(block->hdr.count, ARCH_CONVERT); | |
408 | } | |
409 | ||
410 | /*ARGSUSED*/ | |
411 | static int | |
412 | attr_leaf_nvlist_offset( | |
413 | void *obj, | |
414 | int startoff, | |
415 | int idx) | |
416 | { | |
417 | xfs_attr_leafblock_t *block; | |
418 | xfs_attr_leaf_entry_t *e; | |
419 | ||
420 | ASSERT(startoff == 0); | |
421 | block = obj; | |
422 | e = &block->entries[idx]; | |
423 | return bitize(INT_GET(e->nameidx, ARCH_CONVERT)); | |
424 | } | |
425 | ||
426 | /*ARGSUSED*/ | |
427 | static int | |
428 | attr_node_btree_count( | |
429 | void *obj, | |
430 | int startoff) | |
431 | { | |
432 | xfs_da_intnode_t *block; | |
433 | ||
434 | ASSERT(startoff == 0); /* this is a base structure */ | |
435 | block = obj; | |
436 | if (INT_GET(block->hdr.info.magic, ARCH_CONVERT) | |
437 | != XFS_DA_NODE_MAGIC) | |
438 | return 0; | |
439 | return INT_GET(block->hdr.count, ARCH_CONVERT); | |
440 | } | |
441 | ||
442 | /*ARGSUSED*/ | |
443 | static int | |
444 | attr_node_hdr_count( | |
445 | void *obj, | |
446 | int startoff) | |
447 | { | |
448 | xfs_da_intnode_t *block; | |
dfc130f3 | 449 | |
2bd0ea18 NS |
450 | ASSERT(startoff == 0); |
451 | block = obj; | |
452 | return INT_GET(block->hdr.info.magic, ARCH_CONVERT) | |
453 | == XFS_DA_NODE_MAGIC; | |
454 | } | |
455 | ||
456 | /*ARGSUSED*/ | |
457 | int | |
458 | attr_size( | |
459 | void *obj, | |
460 | int startoff, | |
461 | int idx) | |
462 | { | |
463 | return bitize(mp->m_sb.sb_blocksize); | |
464 | } |