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34dc7c2f BB |
1 | /* |
2 | * CDDL HEADER START | |
3 | * | |
4 | * The contents of this file are subject to the terms of the | |
5 | * Common Development and Distribution License (the "License"). | |
6 | * You may not use this file except in compliance with the License. | |
7 | * | |
8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
9 | * or http://www.opensolaris.org/os/licensing. | |
10 | * See the License for the specific language governing permissions | |
11 | * and limitations under the License. | |
12 | * | |
13 | * When distributing Covered Code, include this CDDL HEADER in each | |
14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
15 | * If applicable, add the following below this CDDL HEADER, with the | |
16 | * fields enclosed by brackets "[]" replaced with your own identifying | |
17 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
18 | * | |
19 | * CDDL HEADER END | |
20 | */ | |
21 | ||
22 | /* | |
572e2857 | 23 | * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. |
34dc7c2f BB |
24 | */ |
25 | ||
34dc7c2f BB |
26 | #include <sys/stropts.h> |
27 | #include <sys/debug.h> | |
28 | #include <sys/isa_defs.h> | |
29 | #include <sys/int_limits.h> | |
30 | #include <sys/nvpair.h> | |
31 | #include <sys/nvpair_impl.h> | |
32 | #include <rpc/types.h> | |
33 | #include <rpc/xdr.h> | |
34 | ||
35 | #if defined(_KERNEL) && !defined(_BOOT) | |
36 | #include <sys/varargs.h> | |
b128c09f BB |
37 | #include <sys/ddi.h> |
38 | #include <sys/sunddi.h> | |
34dc7c2f BB |
39 | #else |
40 | #include <stdarg.h> | |
b128c09f BB |
41 | #include <stdlib.h> |
42 | #include <string.h> | |
34dc7c2f BB |
43 | #include <strings.h> |
44 | #endif | |
45 | ||
46 | #ifndef offsetof | |
b128c09f | 47 | #define offsetof(s, m) ((size_t)(&(((s *)0)->m))) |
34dc7c2f | 48 | #endif |
b128c09f | 49 | #define skip_whitespace(p) while ((*(p) == ' ') || (*(p) == '\t')) p++ |
34dc7c2f BB |
50 | |
51 | /* | |
52 | * nvpair.c - Provides kernel & userland interfaces for manipulating | |
53 | * name-value pairs. | |
54 | * | |
55 | * Overview Diagram | |
56 | * | |
57 | * +--------------+ | |
58 | * | nvlist_t | | |
59 | * |--------------| | |
60 | * | nvl_version | | |
61 | * | nvl_nvflag | | |
62 | * | nvl_priv -+-+ | |
63 | * | nvl_flag | | | |
64 | * | nvl_pad | | | |
65 | * +--------------+ | | |
66 | * V | |
67 | * +--------------+ last i_nvp in list | |
68 | * | nvpriv_t | +---------------------> | |
69 | * |--------------| | | |
70 | * +--+- nvp_list | | +------------+ | |
71 | * | | nvp_last -+--+ + nv_alloc_t | | |
72 | * | | nvp_curr | |------------| | |
73 | * | | nvp_nva -+----> | nva_ops | | |
74 | * | | nvp_stat | | nva_arg | | |
75 | * | +--------------+ +------------+ | |
76 | * | | |
77 | * +-------+ | |
78 | * V | |
79 | * +---------------------+ +-------------------+ | |
80 | * | i_nvp_t | +-->| i_nvp_t | +--> | |
81 | * |---------------------| | |-------------------| | | |
82 | * | nvi_next -+--+ | nvi_next -+--+ | |
83 | * | nvi_prev (NULL) | <----+ nvi_prev | | |
84 | * | . . . . . . . . . . | | . . . . . . . . . | | |
85 | * | nvp (nvpair_t) | | nvp (nvpair_t) | | |
86 | * | - nvp_size | | - nvp_size | | |
87 | * | - nvp_name_sz | | - nvp_name_sz | | |
88 | * | - nvp_value_elem | | - nvp_value_elem | | |
89 | * | - nvp_type | | - nvp_type | | |
90 | * | - data ... | | - data ... | | |
91 | * +---------------------+ +-------------------+ | |
92 | * | |
93 | * | |
94 | * | |
95 | * +---------------------+ +---------------------+ | |
96 | * | i_nvp_t | +--> +-->| i_nvp_t (last) | | |
97 | * |---------------------| | | |---------------------| | |
98 | * | nvi_next -+--+ ... --+ | nvi_next (NULL) | | |
99 | * <-+- nvi_prev |<-- ... <----+ nvi_prev | | |
100 | * | . . . . . . . . . | | . . . . . . . . . | | |
101 | * | nvp (nvpair_t) | | nvp (nvpair_t) | | |
102 | * | - nvp_size | | - nvp_size | | |
103 | * | - nvp_name_sz | | - nvp_name_sz | | |
104 | * | - nvp_value_elem | | - nvp_value_elem | | |
105 | * | - DATA_TYPE_NVLIST | | - nvp_type | | |
106 | * | - data (embedded) | | - data ... | | |
107 | * | nvlist name | +---------------------+ | |
108 | * | +--------------+ | | |
109 | * | | nvlist_t | | | |
110 | * | |--------------| | | |
111 | * | | nvl_version | | | |
112 | * | | nvl_nvflag | | | |
113 | * | | nvl_priv --+---+----> | |
114 | * | | nvl_flag | | | |
115 | * | | nvl_pad | | | |
116 | * | +--------------+ | | |
117 | * +---------------------+ | |
118 | * | |
119 | * | |
120 | * N.B. nvpair_t may be aligned on 4 byte boundary, so +4 will | |
121 | * allow value to be aligned on 8 byte boundary | |
122 | * | |
123 | * name_len is the length of the name string including the null terminator | |
124 | * so it must be >= 1 | |
125 | */ | |
126 | #define NVP_SIZE_CALC(name_len, data_len) \ | |
127 | (NV_ALIGN((sizeof (nvpair_t)) + name_len) + NV_ALIGN(data_len)) | |
128 | ||
129 | static int i_get_value_size(data_type_t type, const void *data, uint_t nelem); | |
130 | static int nvlist_add_common(nvlist_t *nvl, const char *name, data_type_t type, | |
131 | uint_t nelem, const void *data); | |
132 | ||
133 | #define NV_STAT_EMBEDDED 0x1 | |
134 | #define EMBEDDED_NVL(nvp) ((nvlist_t *)(void *)NVP_VALUE(nvp)) | |
135 | #define EMBEDDED_NVL_ARRAY(nvp) ((nvlist_t **)(void *)NVP_VALUE(nvp)) | |
136 | ||
137 | #define NVP_VALOFF(nvp) (NV_ALIGN(sizeof (nvpair_t) + (nvp)->nvp_name_sz)) | |
138 | #define NVPAIR2I_NVP(nvp) \ | |
139 | ((i_nvp_t *)((size_t)(nvp) - offsetof(i_nvp_t, nvi_nvp))) | |
140 | ||
141 | ||
142 | int | |
143 | nv_alloc_init(nv_alloc_t *nva, const nv_alloc_ops_t *nvo, /* args */ ...) | |
144 | { | |
145 | va_list valist; | |
146 | int err = 0; | |
147 | ||
148 | nva->nva_ops = nvo; | |
149 | nva->nva_arg = NULL; | |
150 | ||
151 | va_start(valist, nvo); | |
152 | if (nva->nva_ops->nv_ao_init != NULL) | |
153 | err = nva->nva_ops->nv_ao_init(nva, valist); | |
154 | va_end(valist); | |
155 | ||
156 | return (err); | |
157 | } | |
158 | ||
159 | void | |
160 | nv_alloc_reset(nv_alloc_t *nva) | |
161 | { | |
162 | if (nva->nva_ops->nv_ao_reset != NULL) | |
163 | nva->nva_ops->nv_ao_reset(nva); | |
164 | } | |
165 | ||
166 | void | |
167 | nv_alloc_fini(nv_alloc_t *nva) | |
168 | { | |
169 | if (nva->nva_ops->nv_ao_fini != NULL) | |
170 | nva->nva_ops->nv_ao_fini(nva); | |
171 | } | |
172 | ||
173 | nv_alloc_t * | |
174 | nvlist_lookup_nv_alloc(nvlist_t *nvl) | |
175 | { | |
176 | nvpriv_t *priv; | |
177 | ||
178 | if (nvl == NULL || | |
179 | (priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv) == NULL) | |
180 | return (NULL); | |
181 | ||
182 | return (priv->nvp_nva); | |
183 | } | |
184 | ||
185 | static void * | |
186 | nv_mem_zalloc(nvpriv_t *nvp, size_t size) | |
187 | { | |
188 | nv_alloc_t *nva = nvp->nvp_nva; | |
189 | void *buf; | |
190 | ||
191 | if ((buf = nva->nva_ops->nv_ao_alloc(nva, size)) != NULL) | |
192 | bzero(buf, size); | |
193 | ||
194 | return (buf); | |
195 | } | |
196 | ||
197 | static void | |
198 | nv_mem_free(nvpriv_t *nvp, void *buf, size_t size) | |
199 | { | |
200 | nv_alloc_t *nva = nvp->nvp_nva; | |
201 | ||
202 | nva->nva_ops->nv_ao_free(nva, buf, size); | |
203 | } | |
204 | ||
205 | static void | |
206 | nv_priv_init(nvpriv_t *priv, nv_alloc_t *nva, uint32_t stat) | |
207 | { | |
b128c09f | 208 | bzero(priv, sizeof (nvpriv_t)); |
34dc7c2f BB |
209 | |
210 | priv->nvp_nva = nva; | |
211 | priv->nvp_stat = stat; | |
212 | } | |
213 | ||
214 | static nvpriv_t * | |
215 | nv_priv_alloc(nv_alloc_t *nva) | |
216 | { | |
217 | nvpriv_t *priv; | |
218 | ||
219 | /* | |
220 | * nv_mem_alloc() cannot called here because it needs the priv | |
221 | * argument. | |
222 | */ | |
223 | if ((priv = nva->nva_ops->nv_ao_alloc(nva, sizeof (nvpriv_t))) == NULL) | |
224 | return (NULL); | |
225 | ||
226 | nv_priv_init(priv, nva, 0); | |
227 | ||
228 | return (priv); | |
229 | } | |
230 | ||
231 | /* | |
232 | * Embedded lists need their own nvpriv_t's. We create a new | |
233 | * nvpriv_t using the parameters and allocator from the parent | |
234 | * list's nvpriv_t. | |
235 | */ | |
236 | static nvpriv_t * | |
237 | nv_priv_alloc_embedded(nvpriv_t *priv) | |
238 | { | |
239 | nvpriv_t *emb_priv; | |
240 | ||
241 | if ((emb_priv = nv_mem_zalloc(priv, sizeof (nvpriv_t))) == NULL) | |
242 | return (NULL); | |
243 | ||
244 | nv_priv_init(emb_priv, priv->nvp_nva, NV_STAT_EMBEDDED); | |
245 | ||
246 | return (emb_priv); | |
247 | } | |
248 | ||
249 | static void | |
250 | nvlist_init(nvlist_t *nvl, uint32_t nvflag, nvpriv_t *priv) | |
251 | { | |
252 | nvl->nvl_version = NV_VERSION; | |
253 | nvl->nvl_nvflag = nvflag & (NV_UNIQUE_NAME|NV_UNIQUE_NAME_TYPE); | |
254 | nvl->nvl_priv = (uint64_t)(uintptr_t)priv; | |
255 | nvl->nvl_flag = 0; | |
256 | nvl->nvl_pad = 0; | |
257 | } | |
258 | ||
572e2857 BB |
259 | uint_t |
260 | nvlist_nvflag(nvlist_t *nvl) | |
261 | { | |
262 | return (nvl->nvl_nvflag); | |
263 | } | |
264 | ||
ac034097 BB |
265 | static nv_alloc_t * |
266 | nvlist_nv_alloc(int kmflag) | |
34dc7c2f BB |
267 | { |
268 | #if defined(_KERNEL) && !defined(_BOOT) | |
81eaf151 BB |
269 | switch (kmflag) { |
270 | case KM_SLEEP: | |
ac034097 | 271 | return (nv_alloc_sleep); |
81eaf151 | 272 | case KM_PUSHPAGE: |
ac034097 | 273 | return (nv_alloc_pushpage); |
81eaf151 | 274 | default: |
ac034097 | 275 | return (nv_alloc_nosleep); |
81eaf151 | 276 | } |
ac034097 BB |
277 | #else |
278 | return (nv_alloc_nosleep); | |
279 | #endif /* _KERNEL && !_BOOT */ | |
280 | } | |
81eaf151 | 281 | |
ac034097 BB |
282 | /* |
283 | * nvlist_alloc - Allocate nvlist. | |
284 | */ | |
285 | int | |
286 | nvlist_alloc(nvlist_t **nvlp, uint_t nvflag, int kmflag) | |
287 | { | |
288 | return (nvlist_xalloc(nvlp, nvflag, nvlist_nv_alloc(kmflag))); | |
34dc7c2f BB |
289 | } |
290 | ||
291 | int | |
292 | nvlist_xalloc(nvlist_t **nvlp, uint_t nvflag, nv_alloc_t *nva) | |
293 | { | |
294 | nvpriv_t *priv; | |
295 | ||
296 | if (nvlp == NULL || nva == NULL) | |
297 | return (EINVAL); | |
298 | ||
299 | if ((priv = nv_priv_alloc(nva)) == NULL) | |
300 | return (ENOMEM); | |
301 | ||
302 | if ((*nvlp = nv_mem_zalloc(priv, | |
303 | NV_ALIGN(sizeof (nvlist_t)))) == NULL) { | |
304 | nv_mem_free(priv, priv, sizeof (nvpriv_t)); | |
305 | return (ENOMEM); | |
306 | } | |
307 | ||
308 | nvlist_init(*nvlp, nvflag, priv); | |
309 | ||
310 | return (0); | |
311 | } | |
312 | ||
313 | /* | |
314 | * nvp_buf_alloc - Allocate i_nvp_t for storing a new nv pair. | |
315 | */ | |
316 | static nvpair_t * | |
317 | nvp_buf_alloc(nvlist_t *nvl, size_t len) | |
318 | { | |
319 | nvpriv_t *priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv; | |
320 | i_nvp_t *buf; | |
321 | nvpair_t *nvp; | |
322 | size_t nvsize; | |
323 | ||
324 | /* | |
325 | * Allocate the buffer | |
326 | */ | |
327 | nvsize = len + offsetof(i_nvp_t, nvi_nvp); | |
328 | ||
329 | if ((buf = nv_mem_zalloc(priv, nvsize)) == NULL) | |
330 | return (NULL); | |
331 | ||
332 | nvp = &buf->nvi_nvp; | |
333 | nvp->nvp_size = len; | |
334 | ||
335 | return (nvp); | |
336 | } | |
337 | ||
338 | /* | |
339 | * nvp_buf_free - de-Allocate an i_nvp_t. | |
340 | */ | |
341 | static void | |
342 | nvp_buf_free(nvlist_t *nvl, nvpair_t *nvp) | |
343 | { | |
344 | nvpriv_t *priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv; | |
345 | size_t nvsize = nvp->nvp_size + offsetof(i_nvp_t, nvi_nvp); | |
346 | ||
347 | nv_mem_free(priv, NVPAIR2I_NVP(nvp), nvsize); | |
348 | } | |
349 | ||
350 | /* | |
351 | * nvp_buf_link - link a new nv pair into the nvlist. | |
352 | */ | |
353 | static void | |
354 | nvp_buf_link(nvlist_t *nvl, nvpair_t *nvp) | |
355 | { | |
356 | nvpriv_t *priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv; | |
357 | i_nvp_t *curr = NVPAIR2I_NVP(nvp); | |
358 | ||
359 | /* Put element at end of nvlist */ | |
360 | if (priv->nvp_list == NULL) { | |
361 | priv->nvp_list = priv->nvp_last = curr; | |
362 | } else { | |
363 | curr->nvi_prev = priv->nvp_last; | |
364 | priv->nvp_last->nvi_next = curr; | |
365 | priv->nvp_last = curr; | |
366 | } | |
367 | } | |
368 | ||
369 | /* | |
370 | * nvp_buf_unlink - unlink an removed nvpair out of the nvlist. | |
371 | */ | |
372 | static void | |
373 | nvp_buf_unlink(nvlist_t *nvl, nvpair_t *nvp) | |
374 | { | |
375 | nvpriv_t *priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv; | |
376 | i_nvp_t *curr = NVPAIR2I_NVP(nvp); | |
377 | ||
378 | /* | |
379 | * protect nvlist_next_nvpair() against walking on freed memory. | |
380 | */ | |
381 | if (priv->nvp_curr == curr) | |
382 | priv->nvp_curr = curr->nvi_next; | |
383 | ||
384 | if (curr == priv->nvp_list) | |
385 | priv->nvp_list = curr->nvi_next; | |
386 | else | |
387 | curr->nvi_prev->nvi_next = curr->nvi_next; | |
388 | ||
389 | if (curr == priv->nvp_last) | |
390 | priv->nvp_last = curr->nvi_prev; | |
391 | else | |
392 | curr->nvi_next->nvi_prev = curr->nvi_prev; | |
393 | } | |
394 | ||
395 | /* | |
396 | * take a nvpair type and number of elements and make sure the are valid | |
397 | */ | |
398 | static int | |
399 | i_validate_type_nelem(data_type_t type, uint_t nelem) | |
400 | { | |
401 | switch (type) { | |
402 | case DATA_TYPE_BOOLEAN: | |
403 | if (nelem != 0) | |
404 | return (EINVAL); | |
405 | break; | |
406 | case DATA_TYPE_BOOLEAN_VALUE: | |
407 | case DATA_TYPE_BYTE: | |
408 | case DATA_TYPE_INT8: | |
409 | case DATA_TYPE_UINT8: | |
410 | case DATA_TYPE_INT16: | |
411 | case DATA_TYPE_UINT16: | |
412 | case DATA_TYPE_INT32: | |
413 | case DATA_TYPE_UINT32: | |
414 | case DATA_TYPE_INT64: | |
415 | case DATA_TYPE_UINT64: | |
416 | case DATA_TYPE_STRING: | |
417 | case DATA_TYPE_HRTIME: | |
418 | case DATA_TYPE_NVLIST: | |
b128c09f BB |
419 | #if !defined(_KERNEL) |
420 | case DATA_TYPE_DOUBLE: | |
421 | #endif | |
34dc7c2f BB |
422 | if (nelem != 1) |
423 | return (EINVAL); | |
424 | break; | |
425 | case DATA_TYPE_BOOLEAN_ARRAY: | |
426 | case DATA_TYPE_BYTE_ARRAY: | |
427 | case DATA_TYPE_INT8_ARRAY: | |
428 | case DATA_TYPE_UINT8_ARRAY: | |
429 | case DATA_TYPE_INT16_ARRAY: | |
430 | case DATA_TYPE_UINT16_ARRAY: | |
431 | case DATA_TYPE_INT32_ARRAY: | |
432 | case DATA_TYPE_UINT32_ARRAY: | |
433 | case DATA_TYPE_INT64_ARRAY: | |
434 | case DATA_TYPE_UINT64_ARRAY: | |
435 | case DATA_TYPE_STRING_ARRAY: | |
436 | case DATA_TYPE_NVLIST_ARRAY: | |
437 | /* we allow arrays with 0 elements */ | |
438 | break; | |
439 | default: | |
440 | return (EINVAL); | |
441 | } | |
442 | return (0); | |
443 | } | |
444 | ||
445 | /* | |
446 | * Verify nvp_name_sz and check the name string length. | |
447 | */ | |
448 | static int | |
449 | i_validate_nvpair_name(nvpair_t *nvp) | |
450 | { | |
451 | if ((nvp->nvp_name_sz <= 0) || | |
452 | (nvp->nvp_size < NVP_SIZE_CALC(nvp->nvp_name_sz, 0))) | |
453 | return (EFAULT); | |
454 | ||
455 | /* verify the name string, make sure its terminated */ | |
456 | if (NVP_NAME(nvp)[nvp->nvp_name_sz - 1] != '\0') | |
457 | return (EFAULT); | |
458 | ||
459 | return (strlen(NVP_NAME(nvp)) == nvp->nvp_name_sz - 1 ? 0 : EFAULT); | |
460 | } | |
461 | ||
462 | static int | |
463 | i_validate_nvpair_value(data_type_t type, uint_t nelem, const void *data) | |
464 | { | |
465 | switch (type) { | |
466 | case DATA_TYPE_BOOLEAN_VALUE: | |
467 | if (*(boolean_t *)data != B_TRUE && | |
468 | *(boolean_t *)data != B_FALSE) | |
469 | return (EINVAL); | |
470 | break; | |
471 | case DATA_TYPE_BOOLEAN_ARRAY: { | |
472 | int i; | |
473 | ||
474 | for (i = 0; i < nelem; i++) | |
475 | if (((boolean_t *)data)[i] != B_TRUE && | |
476 | ((boolean_t *)data)[i] != B_FALSE) | |
477 | return (EINVAL); | |
478 | break; | |
479 | } | |
480 | default: | |
481 | break; | |
482 | } | |
483 | ||
484 | return (0); | |
485 | } | |
486 | ||
487 | /* | |
488 | * This function takes a pointer to what should be a nvpair and it's size | |
489 | * and then verifies that all the nvpair fields make sense and can be | |
490 | * trusted. This function is used when decoding packed nvpairs. | |
491 | */ | |
492 | static int | |
493 | i_validate_nvpair(nvpair_t *nvp) | |
494 | { | |
495 | data_type_t type = NVP_TYPE(nvp); | |
496 | int size1, size2; | |
497 | ||
498 | /* verify nvp_name_sz, check the name string length */ | |
499 | if (i_validate_nvpair_name(nvp) != 0) | |
500 | return (EFAULT); | |
501 | ||
502 | if (i_validate_nvpair_value(type, NVP_NELEM(nvp), NVP_VALUE(nvp)) != 0) | |
503 | return (EFAULT); | |
504 | ||
505 | /* | |
506 | * verify nvp_type, nvp_value_elem, and also possibly | |
507 | * verify string values and get the value size. | |
508 | */ | |
509 | size2 = i_get_value_size(type, NVP_VALUE(nvp), NVP_NELEM(nvp)); | |
510 | size1 = nvp->nvp_size - NVP_VALOFF(nvp); | |
511 | if (size2 < 0 || size1 != NV_ALIGN(size2)) | |
512 | return (EFAULT); | |
513 | ||
514 | return (0); | |
515 | } | |
516 | ||
517 | static int | |
518 | nvlist_copy_pairs(nvlist_t *snvl, nvlist_t *dnvl) | |
519 | { | |
520 | nvpriv_t *priv; | |
521 | i_nvp_t *curr; | |
522 | ||
523 | if ((priv = (nvpriv_t *)(uintptr_t)snvl->nvl_priv) == NULL) | |
524 | return (EINVAL); | |
525 | ||
526 | for (curr = priv->nvp_list; curr != NULL; curr = curr->nvi_next) { | |
527 | nvpair_t *nvp = &curr->nvi_nvp; | |
528 | int err; | |
529 | ||
530 | if ((err = nvlist_add_common(dnvl, NVP_NAME(nvp), NVP_TYPE(nvp), | |
531 | NVP_NELEM(nvp), NVP_VALUE(nvp))) != 0) | |
532 | return (err); | |
533 | } | |
534 | ||
535 | return (0); | |
536 | } | |
537 | ||
538 | /* | |
539 | * Frees all memory allocated for an nvpair (like embedded lists) with | |
540 | * the exception of the nvpair buffer itself. | |
541 | */ | |
542 | static void | |
543 | nvpair_free(nvpair_t *nvp) | |
544 | { | |
545 | switch (NVP_TYPE(nvp)) { | |
546 | case DATA_TYPE_NVLIST: | |
547 | nvlist_free(EMBEDDED_NVL(nvp)); | |
548 | break; | |
549 | case DATA_TYPE_NVLIST_ARRAY: { | |
550 | nvlist_t **nvlp = EMBEDDED_NVL_ARRAY(nvp); | |
551 | int i; | |
552 | ||
553 | for (i = 0; i < NVP_NELEM(nvp); i++) | |
554 | if (nvlp[i] != NULL) | |
555 | nvlist_free(nvlp[i]); | |
556 | break; | |
557 | } | |
558 | default: | |
559 | break; | |
560 | } | |
561 | } | |
562 | ||
563 | /* | |
564 | * nvlist_free - free an unpacked nvlist | |
565 | */ | |
566 | void | |
567 | nvlist_free(nvlist_t *nvl) | |
568 | { | |
569 | nvpriv_t *priv; | |
570 | i_nvp_t *curr; | |
571 | ||
572 | if (nvl == NULL || | |
573 | (priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv) == NULL) | |
574 | return; | |
575 | ||
576 | /* | |
577 | * Unpacked nvlist are linked through i_nvp_t | |
578 | */ | |
579 | curr = priv->nvp_list; | |
580 | while (curr != NULL) { | |
581 | nvpair_t *nvp = &curr->nvi_nvp; | |
582 | curr = curr->nvi_next; | |
583 | ||
584 | nvpair_free(nvp); | |
585 | nvp_buf_free(nvl, nvp); | |
586 | } | |
587 | ||
588 | if (!(priv->nvp_stat & NV_STAT_EMBEDDED)) | |
589 | nv_mem_free(priv, nvl, NV_ALIGN(sizeof (nvlist_t))); | |
590 | else | |
591 | nvl->nvl_priv = 0; | |
592 | ||
593 | nv_mem_free(priv, priv, sizeof (nvpriv_t)); | |
594 | } | |
595 | ||
596 | static int | |
597 | nvlist_contains_nvp(nvlist_t *nvl, nvpair_t *nvp) | |
598 | { | |
599 | nvpriv_t *priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv; | |
600 | i_nvp_t *curr; | |
601 | ||
602 | if (nvp == NULL) | |
603 | return (0); | |
604 | ||
605 | for (curr = priv->nvp_list; curr != NULL; curr = curr->nvi_next) | |
606 | if (&curr->nvi_nvp == nvp) | |
607 | return (1); | |
608 | ||
609 | return (0); | |
610 | } | |
611 | ||
612 | /* | |
613 | * Make a copy of nvlist | |
614 | */ | |
34dc7c2f BB |
615 | int |
616 | nvlist_dup(nvlist_t *nvl, nvlist_t **nvlp, int kmflag) | |
617 | { | |
ac034097 | 618 | return (nvlist_xdup(nvl, nvlp, nvlist_nv_alloc(kmflag))); |
34dc7c2f BB |
619 | } |
620 | ||
621 | int | |
622 | nvlist_xdup(nvlist_t *nvl, nvlist_t **nvlp, nv_alloc_t *nva) | |
623 | { | |
624 | int err; | |
625 | nvlist_t *ret; | |
626 | ||
627 | if (nvl == NULL || nvlp == NULL) | |
628 | return (EINVAL); | |
629 | ||
630 | if ((err = nvlist_xalloc(&ret, nvl->nvl_nvflag, nva)) != 0) | |
631 | return (err); | |
632 | ||
633 | if ((err = nvlist_copy_pairs(nvl, ret)) != 0) | |
634 | nvlist_free(ret); | |
635 | else | |
636 | *nvlp = ret; | |
637 | ||
638 | return (err); | |
639 | } | |
640 | ||
641 | /* | |
642 | * Remove all with matching name | |
643 | */ | |
644 | int | |
645 | nvlist_remove_all(nvlist_t *nvl, const char *name) | |
646 | { | |
647 | nvpriv_t *priv; | |
648 | i_nvp_t *curr; | |
649 | int error = ENOENT; | |
650 | ||
651 | if (nvl == NULL || name == NULL || | |
652 | (priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv) == NULL) | |
653 | return (EINVAL); | |
654 | ||
655 | curr = priv->nvp_list; | |
656 | while (curr != NULL) { | |
657 | nvpair_t *nvp = &curr->nvi_nvp; | |
658 | ||
659 | curr = curr->nvi_next; | |
660 | if (strcmp(name, NVP_NAME(nvp)) != 0) | |
661 | continue; | |
662 | ||
663 | nvp_buf_unlink(nvl, nvp); | |
664 | nvpair_free(nvp); | |
665 | nvp_buf_free(nvl, nvp); | |
666 | ||
667 | error = 0; | |
668 | } | |
669 | ||
670 | return (error); | |
671 | } | |
672 | ||
673 | /* | |
674 | * Remove first one with matching name and type | |
675 | */ | |
676 | int | |
677 | nvlist_remove(nvlist_t *nvl, const char *name, data_type_t type) | |
678 | { | |
679 | nvpriv_t *priv; | |
680 | i_nvp_t *curr; | |
681 | ||
682 | if (nvl == NULL || name == NULL || | |
683 | (priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv) == NULL) | |
684 | return (EINVAL); | |
685 | ||
686 | curr = priv->nvp_list; | |
687 | while (curr != NULL) { | |
688 | nvpair_t *nvp = &curr->nvi_nvp; | |
689 | ||
690 | if (strcmp(name, NVP_NAME(nvp)) == 0 && NVP_TYPE(nvp) == type) { | |
691 | nvp_buf_unlink(nvl, nvp); | |
692 | nvpair_free(nvp); | |
693 | nvp_buf_free(nvl, nvp); | |
694 | ||
695 | return (0); | |
696 | } | |
697 | curr = curr->nvi_next; | |
698 | } | |
699 | ||
700 | return (ENOENT); | |
701 | } | |
702 | ||
428870ff BB |
703 | int |
704 | nvlist_remove_nvpair(nvlist_t *nvl, nvpair_t *nvp) | |
705 | { | |
706 | if (nvl == NULL || nvp == NULL) | |
707 | return (EINVAL); | |
708 | ||
709 | nvp_buf_unlink(nvl, nvp); | |
710 | nvpair_free(nvp); | |
711 | nvp_buf_free(nvl, nvp); | |
712 | return (0); | |
713 | } | |
714 | ||
34dc7c2f BB |
715 | /* |
716 | * This function calculates the size of an nvpair value. | |
717 | * | |
718 | * The data argument controls the behavior in case of the data types | |
719 | * DATA_TYPE_STRING and | |
720 | * DATA_TYPE_STRING_ARRAY | |
721 | * Is data == NULL then the size of the string(s) is excluded. | |
722 | */ | |
723 | static int | |
724 | i_get_value_size(data_type_t type, const void *data, uint_t nelem) | |
725 | { | |
726 | uint64_t value_sz; | |
727 | ||
728 | if (i_validate_type_nelem(type, nelem) != 0) | |
729 | return (-1); | |
730 | ||
731 | /* Calculate required size for holding value */ | |
732 | switch (type) { | |
733 | case DATA_TYPE_BOOLEAN: | |
734 | value_sz = 0; | |
735 | break; | |
736 | case DATA_TYPE_BOOLEAN_VALUE: | |
737 | value_sz = sizeof (boolean_t); | |
738 | break; | |
739 | case DATA_TYPE_BYTE: | |
740 | value_sz = sizeof (uchar_t); | |
741 | break; | |
742 | case DATA_TYPE_INT8: | |
743 | value_sz = sizeof (int8_t); | |
744 | break; | |
745 | case DATA_TYPE_UINT8: | |
746 | value_sz = sizeof (uint8_t); | |
747 | break; | |
748 | case DATA_TYPE_INT16: | |
749 | value_sz = sizeof (int16_t); | |
750 | break; | |
751 | case DATA_TYPE_UINT16: | |
752 | value_sz = sizeof (uint16_t); | |
753 | break; | |
754 | case DATA_TYPE_INT32: | |
755 | value_sz = sizeof (int32_t); | |
756 | break; | |
757 | case DATA_TYPE_UINT32: | |
758 | value_sz = sizeof (uint32_t); | |
759 | break; | |
760 | case DATA_TYPE_INT64: | |
761 | value_sz = sizeof (int64_t); | |
762 | break; | |
763 | case DATA_TYPE_UINT64: | |
764 | value_sz = sizeof (uint64_t); | |
765 | break; | |
b128c09f BB |
766 | #if !defined(_KERNEL) |
767 | case DATA_TYPE_DOUBLE: | |
768 | value_sz = sizeof (double); | |
769 | break; | |
770 | #endif | |
34dc7c2f BB |
771 | case DATA_TYPE_STRING: |
772 | if (data == NULL) | |
773 | value_sz = 0; | |
774 | else | |
775 | value_sz = strlen(data) + 1; | |
776 | break; | |
777 | case DATA_TYPE_BOOLEAN_ARRAY: | |
778 | value_sz = (uint64_t)nelem * sizeof (boolean_t); | |
779 | break; | |
780 | case DATA_TYPE_BYTE_ARRAY: | |
781 | value_sz = (uint64_t)nelem * sizeof (uchar_t); | |
782 | break; | |
783 | case DATA_TYPE_INT8_ARRAY: | |
784 | value_sz = (uint64_t)nelem * sizeof (int8_t); | |
785 | break; | |
786 | case DATA_TYPE_UINT8_ARRAY: | |
787 | value_sz = (uint64_t)nelem * sizeof (uint8_t); | |
788 | break; | |
789 | case DATA_TYPE_INT16_ARRAY: | |
790 | value_sz = (uint64_t)nelem * sizeof (int16_t); | |
791 | break; | |
792 | case DATA_TYPE_UINT16_ARRAY: | |
793 | value_sz = (uint64_t)nelem * sizeof (uint16_t); | |
794 | break; | |
795 | case DATA_TYPE_INT32_ARRAY: | |
796 | value_sz = (uint64_t)nelem * sizeof (int32_t); | |
797 | break; | |
798 | case DATA_TYPE_UINT32_ARRAY: | |
799 | value_sz = (uint64_t)nelem * sizeof (uint32_t); | |
800 | break; | |
801 | case DATA_TYPE_INT64_ARRAY: | |
802 | value_sz = (uint64_t)nelem * sizeof (int64_t); | |
803 | break; | |
804 | case DATA_TYPE_UINT64_ARRAY: | |
805 | value_sz = (uint64_t)nelem * sizeof (uint64_t); | |
806 | break; | |
807 | case DATA_TYPE_STRING_ARRAY: | |
808 | value_sz = (uint64_t)nelem * sizeof (uint64_t); | |
809 | ||
810 | if (data != NULL) { | |
811 | char *const *strs = data; | |
812 | uint_t i; | |
813 | ||
814 | /* no alignment requirement for strings */ | |
815 | for (i = 0; i < nelem; i++) { | |
816 | if (strs[i] == NULL) | |
817 | return (-1); | |
818 | value_sz += strlen(strs[i]) + 1; | |
819 | } | |
820 | } | |
821 | break; | |
822 | case DATA_TYPE_HRTIME: | |
823 | value_sz = sizeof (hrtime_t); | |
824 | break; | |
825 | case DATA_TYPE_NVLIST: | |
826 | value_sz = NV_ALIGN(sizeof (nvlist_t)); | |
827 | break; | |
828 | case DATA_TYPE_NVLIST_ARRAY: | |
829 | value_sz = (uint64_t)nelem * sizeof (uint64_t) + | |
830 | (uint64_t)nelem * NV_ALIGN(sizeof (nvlist_t)); | |
831 | break; | |
832 | default: | |
833 | return (-1); | |
834 | } | |
835 | ||
836 | return (value_sz > INT32_MAX ? -1 : (int)value_sz); | |
837 | } | |
838 | ||
839 | static int | |
840 | nvlist_copy_embedded(nvlist_t *nvl, nvlist_t *onvl, nvlist_t *emb_nvl) | |
841 | { | |
842 | nvpriv_t *priv; | |
843 | int err; | |
844 | ||
845 | if ((priv = nv_priv_alloc_embedded((nvpriv_t *)(uintptr_t) | |
846 | nvl->nvl_priv)) == NULL) | |
847 | return (ENOMEM); | |
848 | ||
849 | nvlist_init(emb_nvl, onvl->nvl_nvflag, priv); | |
850 | ||
851 | if ((err = nvlist_copy_pairs(onvl, emb_nvl)) != 0) { | |
852 | nvlist_free(emb_nvl); | |
853 | emb_nvl->nvl_priv = 0; | |
854 | } | |
855 | ||
856 | return (err); | |
857 | } | |
858 | ||
859 | /* | |
860 | * nvlist_add_common - Add new <name,value> pair to nvlist | |
861 | */ | |
862 | static int | |
863 | nvlist_add_common(nvlist_t *nvl, const char *name, | |
864 | data_type_t type, uint_t nelem, const void *data) | |
865 | { | |
866 | nvpair_t *nvp; | |
867 | uint_t i; | |
868 | ||
869 | int nvp_sz, name_sz, value_sz; | |
870 | int err = 0; | |
871 | ||
872 | if (name == NULL || nvl == NULL || nvl->nvl_priv == 0) | |
873 | return (EINVAL); | |
874 | ||
875 | if (nelem != 0 && data == NULL) | |
876 | return (EINVAL); | |
877 | ||
878 | /* | |
879 | * Verify type and nelem and get the value size. | |
880 | * In case of data types DATA_TYPE_STRING and DATA_TYPE_STRING_ARRAY | |
881 | * is the size of the string(s) included. | |
882 | */ | |
883 | if ((value_sz = i_get_value_size(type, data, nelem)) < 0) | |
884 | return (EINVAL); | |
885 | ||
886 | if (i_validate_nvpair_value(type, nelem, data) != 0) | |
887 | return (EINVAL); | |
888 | ||
889 | /* | |
890 | * If we're adding an nvlist or nvlist array, ensure that we are not | |
891 | * adding the input nvlist to itself, which would cause recursion, | |
892 | * and ensure that no NULL nvlist pointers are present. | |
893 | */ | |
894 | switch (type) { | |
895 | case DATA_TYPE_NVLIST: | |
896 | if (data == nvl || data == NULL) | |
897 | return (EINVAL); | |
898 | break; | |
899 | case DATA_TYPE_NVLIST_ARRAY: { | |
900 | nvlist_t **onvlp = (nvlist_t **)data; | |
901 | for (i = 0; i < nelem; i++) { | |
902 | if (onvlp[i] == nvl || onvlp[i] == NULL) | |
903 | return (EINVAL); | |
904 | } | |
905 | break; | |
906 | } | |
907 | default: | |
908 | break; | |
909 | } | |
910 | ||
911 | /* calculate sizes of the nvpair elements and the nvpair itself */ | |
912 | name_sz = strlen(name) + 1; | |
913 | ||
914 | nvp_sz = NVP_SIZE_CALC(name_sz, value_sz); | |
915 | ||
916 | if ((nvp = nvp_buf_alloc(nvl, nvp_sz)) == NULL) | |
917 | return (ENOMEM); | |
918 | ||
919 | ASSERT(nvp->nvp_size == nvp_sz); | |
920 | nvp->nvp_name_sz = name_sz; | |
921 | nvp->nvp_value_elem = nelem; | |
922 | nvp->nvp_type = type; | |
923 | bcopy(name, NVP_NAME(nvp), name_sz); | |
924 | ||
925 | switch (type) { | |
926 | case DATA_TYPE_BOOLEAN: | |
927 | break; | |
928 | case DATA_TYPE_STRING_ARRAY: { | |
929 | char *const *strs = data; | |
930 | char *buf = NVP_VALUE(nvp); | |
931 | char **cstrs = (void *)buf; | |
932 | ||
933 | /* skip pre-allocated space for pointer array */ | |
934 | buf += nelem * sizeof (uint64_t); | |
935 | for (i = 0; i < nelem; i++) { | |
936 | int slen = strlen(strs[i]) + 1; | |
937 | bcopy(strs[i], buf, slen); | |
938 | cstrs[i] = buf; | |
939 | buf += slen; | |
940 | } | |
941 | break; | |
942 | } | |
943 | case DATA_TYPE_NVLIST: { | |
944 | nvlist_t *nnvl = EMBEDDED_NVL(nvp); | |
945 | nvlist_t *onvl = (nvlist_t *)data; | |
946 | ||
947 | if ((err = nvlist_copy_embedded(nvl, onvl, nnvl)) != 0) { | |
948 | nvp_buf_free(nvl, nvp); | |
949 | return (err); | |
950 | } | |
951 | break; | |
952 | } | |
953 | case DATA_TYPE_NVLIST_ARRAY: { | |
954 | nvlist_t **onvlp = (nvlist_t **)data; | |
955 | nvlist_t **nvlp = EMBEDDED_NVL_ARRAY(nvp); | |
956 | nvlist_t *embedded = (nvlist_t *) | |
957 | ((uintptr_t)nvlp + nelem * sizeof (uint64_t)); | |
958 | ||
959 | for (i = 0; i < nelem; i++) { | |
960 | if ((err = nvlist_copy_embedded(nvl, | |
961 | onvlp[i], embedded)) != 0) { | |
962 | /* | |
963 | * Free any successfully created lists | |
964 | */ | |
965 | nvpair_free(nvp); | |
966 | nvp_buf_free(nvl, nvp); | |
967 | return (err); | |
968 | } | |
969 | ||
970 | nvlp[i] = embedded++; | |
971 | } | |
972 | break; | |
973 | } | |
974 | default: | |
975 | bcopy(data, NVP_VALUE(nvp), value_sz); | |
976 | } | |
977 | ||
978 | /* if unique name, remove before add */ | |
979 | if (nvl->nvl_nvflag & NV_UNIQUE_NAME) | |
980 | (void) nvlist_remove_all(nvl, name); | |
981 | else if (nvl->nvl_nvflag & NV_UNIQUE_NAME_TYPE) | |
982 | (void) nvlist_remove(nvl, name, type); | |
983 | ||
984 | nvp_buf_link(nvl, nvp); | |
985 | ||
986 | return (0); | |
987 | } | |
988 | ||
989 | int | |
990 | nvlist_add_boolean(nvlist_t *nvl, const char *name) | |
991 | { | |
992 | return (nvlist_add_common(nvl, name, DATA_TYPE_BOOLEAN, 0, NULL)); | |
993 | } | |
994 | ||
995 | int | |
996 | nvlist_add_boolean_value(nvlist_t *nvl, const char *name, boolean_t val) | |
997 | { | |
998 | return (nvlist_add_common(nvl, name, DATA_TYPE_BOOLEAN_VALUE, 1, &val)); | |
999 | } | |
1000 | ||
1001 | int | |
1002 | nvlist_add_byte(nvlist_t *nvl, const char *name, uchar_t val) | |
1003 | { | |
1004 | return (nvlist_add_common(nvl, name, DATA_TYPE_BYTE, 1, &val)); | |
1005 | } | |
1006 | ||
1007 | int | |
1008 | nvlist_add_int8(nvlist_t *nvl, const char *name, int8_t val) | |
1009 | { | |
1010 | return (nvlist_add_common(nvl, name, DATA_TYPE_INT8, 1, &val)); | |
1011 | } | |
1012 | ||
1013 | int | |
1014 | nvlist_add_uint8(nvlist_t *nvl, const char *name, uint8_t val) | |
1015 | { | |
1016 | return (nvlist_add_common(nvl, name, DATA_TYPE_UINT8, 1, &val)); | |
1017 | } | |
1018 | ||
1019 | int | |
1020 | nvlist_add_int16(nvlist_t *nvl, const char *name, int16_t val) | |
1021 | { | |
1022 | return (nvlist_add_common(nvl, name, DATA_TYPE_INT16, 1, &val)); | |
1023 | } | |
1024 | ||
1025 | int | |
1026 | nvlist_add_uint16(nvlist_t *nvl, const char *name, uint16_t val) | |
1027 | { | |
1028 | return (nvlist_add_common(nvl, name, DATA_TYPE_UINT16, 1, &val)); | |
1029 | } | |
1030 | ||
1031 | int | |
1032 | nvlist_add_int32(nvlist_t *nvl, const char *name, int32_t val) | |
1033 | { | |
1034 | return (nvlist_add_common(nvl, name, DATA_TYPE_INT32, 1, &val)); | |
1035 | } | |
1036 | ||
1037 | int | |
1038 | nvlist_add_uint32(nvlist_t *nvl, const char *name, uint32_t val) | |
1039 | { | |
1040 | return (nvlist_add_common(nvl, name, DATA_TYPE_UINT32, 1, &val)); | |
1041 | } | |
1042 | ||
1043 | int | |
1044 | nvlist_add_int64(nvlist_t *nvl, const char *name, int64_t val) | |
1045 | { | |
1046 | return (nvlist_add_common(nvl, name, DATA_TYPE_INT64, 1, &val)); | |
1047 | } | |
1048 | ||
1049 | int | |
1050 | nvlist_add_uint64(nvlist_t *nvl, const char *name, uint64_t val) | |
1051 | { | |
1052 | return (nvlist_add_common(nvl, name, DATA_TYPE_UINT64, 1, &val)); | |
1053 | } | |
1054 | ||
b128c09f BB |
1055 | #if !defined(_KERNEL) |
1056 | int | |
1057 | nvlist_add_double(nvlist_t *nvl, const char *name, double val) | |
1058 | { | |
1059 | return (nvlist_add_common(nvl, name, DATA_TYPE_DOUBLE, 1, &val)); | |
1060 | } | |
1061 | #endif | |
1062 | ||
34dc7c2f BB |
1063 | int |
1064 | nvlist_add_string(nvlist_t *nvl, const char *name, const char *val) | |
1065 | { | |
1066 | return (nvlist_add_common(nvl, name, DATA_TYPE_STRING, 1, (void *)val)); | |
1067 | } | |
1068 | ||
1069 | int | |
1070 | nvlist_add_boolean_array(nvlist_t *nvl, const char *name, | |
1071 | boolean_t *a, uint_t n) | |
1072 | { | |
1073 | return (nvlist_add_common(nvl, name, DATA_TYPE_BOOLEAN_ARRAY, n, a)); | |
1074 | } | |
1075 | ||
1076 | int | |
1077 | nvlist_add_byte_array(nvlist_t *nvl, const char *name, uchar_t *a, uint_t n) | |
1078 | { | |
1079 | return (nvlist_add_common(nvl, name, DATA_TYPE_BYTE_ARRAY, n, a)); | |
1080 | } | |
1081 | ||
1082 | int | |
1083 | nvlist_add_int8_array(nvlist_t *nvl, const char *name, int8_t *a, uint_t n) | |
1084 | { | |
1085 | return (nvlist_add_common(nvl, name, DATA_TYPE_INT8_ARRAY, n, a)); | |
1086 | } | |
1087 | ||
1088 | int | |
1089 | nvlist_add_uint8_array(nvlist_t *nvl, const char *name, uint8_t *a, uint_t n) | |
1090 | { | |
1091 | return (nvlist_add_common(nvl, name, DATA_TYPE_UINT8_ARRAY, n, a)); | |
1092 | } | |
1093 | ||
1094 | int | |
1095 | nvlist_add_int16_array(nvlist_t *nvl, const char *name, int16_t *a, uint_t n) | |
1096 | { | |
1097 | return (nvlist_add_common(nvl, name, DATA_TYPE_INT16_ARRAY, n, a)); | |
1098 | } | |
1099 | ||
1100 | int | |
1101 | nvlist_add_uint16_array(nvlist_t *nvl, const char *name, uint16_t *a, uint_t n) | |
1102 | { | |
1103 | return (nvlist_add_common(nvl, name, DATA_TYPE_UINT16_ARRAY, n, a)); | |
1104 | } | |
1105 | ||
1106 | int | |
1107 | nvlist_add_int32_array(nvlist_t *nvl, const char *name, int32_t *a, uint_t n) | |
1108 | { | |
1109 | return (nvlist_add_common(nvl, name, DATA_TYPE_INT32_ARRAY, n, a)); | |
1110 | } | |
1111 | ||
1112 | int | |
1113 | nvlist_add_uint32_array(nvlist_t *nvl, const char *name, uint32_t *a, uint_t n) | |
1114 | { | |
1115 | return (nvlist_add_common(nvl, name, DATA_TYPE_UINT32_ARRAY, n, a)); | |
1116 | } | |
1117 | ||
1118 | int | |
1119 | nvlist_add_int64_array(nvlist_t *nvl, const char *name, int64_t *a, uint_t n) | |
1120 | { | |
1121 | return (nvlist_add_common(nvl, name, DATA_TYPE_INT64_ARRAY, n, a)); | |
1122 | } | |
1123 | ||
1124 | int | |
1125 | nvlist_add_uint64_array(nvlist_t *nvl, const char *name, uint64_t *a, uint_t n) | |
1126 | { | |
1127 | return (nvlist_add_common(nvl, name, DATA_TYPE_UINT64_ARRAY, n, a)); | |
1128 | } | |
1129 | ||
1130 | int | |
1131 | nvlist_add_string_array(nvlist_t *nvl, const char *name, | |
1132 | char *const *a, uint_t n) | |
1133 | { | |
1134 | return (nvlist_add_common(nvl, name, DATA_TYPE_STRING_ARRAY, n, a)); | |
1135 | } | |
1136 | ||
1137 | int | |
1138 | nvlist_add_hrtime(nvlist_t *nvl, const char *name, hrtime_t val) | |
1139 | { | |
1140 | return (nvlist_add_common(nvl, name, DATA_TYPE_HRTIME, 1, &val)); | |
1141 | } | |
1142 | ||
1143 | int | |
1144 | nvlist_add_nvlist(nvlist_t *nvl, const char *name, nvlist_t *val) | |
1145 | { | |
1146 | return (nvlist_add_common(nvl, name, DATA_TYPE_NVLIST, 1, val)); | |
1147 | } | |
1148 | ||
1149 | int | |
1150 | nvlist_add_nvlist_array(nvlist_t *nvl, const char *name, nvlist_t **a, uint_t n) | |
1151 | { | |
1152 | return (nvlist_add_common(nvl, name, DATA_TYPE_NVLIST_ARRAY, n, a)); | |
1153 | } | |
1154 | ||
1155 | /* reading name-value pairs */ | |
1156 | nvpair_t * | |
1157 | nvlist_next_nvpair(nvlist_t *nvl, nvpair_t *nvp) | |
1158 | { | |
1159 | nvpriv_t *priv; | |
1160 | i_nvp_t *curr; | |
1161 | ||
1162 | if (nvl == NULL || | |
1163 | (priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv) == NULL) | |
1164 | return (NULL); | |
1165 | ||
1166 | curr = NVPAIR2I_NVP(nvp); | |
1167 | ||
1168 | /* | |
1169 | * Ensure that nvp is a valid nvpair on this nvlist. | |
1170 | * NB: nvp_curr is used only as a hint so that we don't always | |
1171 | * have to walk the list to determine if nvp is still on the list. | |
1172 | */ | |
1173 | if (nvp == NULL) | |
1174 | curr = priv->nvp_list; | |
1175 | else if (priv->nvp_curr == curr || nvlist_contains_nvp(nvl, nvp)) | |
1176 | curr = curr->nvi_next; | |
1177 | else | |
1178 | curr = NULL; | |
1179 | ||
1180 | priv->nvp_curr = curr; | |
1181 | ||
1182 | return (curr != NULL ? &curr->nvi_nvp : NULL); | |
1183 | } | |
1184 | ||
428870ff BB |
1185 | nvpair_t * |
1186 | nvlist_prev_nvpair(nvlist_t *nvl, nvpair_t *nvp) | |
1187 | { | |
1188 | nvpriv_t *priv; | |
1189 | i_nvp_t *curr; | |
1190 | ||
1191 | if (nvl == NULL || | |
1192 | (priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv) == NULL) | |
1193 | return (NULL); | |
1194 | ||
1195 | curr = NVPAIR2I_NVP(nvp); | |
1196 | ||
1197 | if (nvp == NULL) | |
1198 | curr = priv->nvp_last; | |
1199 | else if (priv->nvp_curr == curr || nvlist_contains_nvp(nvl, nvp)) | |
1200 | curr = curr->nvi_prev; | |
1201 | else | |
1202 | curr = NULL; | |
1203 | ||
1204 | priv->nvp_curr = curr; | |
1205 | ||
1206 | return (curr != NULL ? &curr->nvi_nvp : NULL); | |
1207 | } | |
1208 | ||
1209 | boolean_t | |
1210 | nvlist_empty(nvlist_t *nvl) | |
1211 | { | |
1212 | nvpriv_t *priv; | |
1213 | ||
1214 | if (nvl == NULL || | |
1215 | (priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv) == NULL) | |
1216 | return (B_TRUE); | |
1217 | ||
1218 | return (priv->nvp_list == NULL); | |
1219 | } | |
1220 | ||
34dc7c2f BB |
1221 | char * |
1222 | nvpair_name(nvpair_t *nvp) | |
1223 | { | |
1224 | return (NVP_NAME(nvp)); | |
1225 | } | |
1226 | ||
1227 | data_type_t | |
1228 | nvpair_type(nvpair_t *nvp) | |
1229 | { | |
1230 | return (NVP_TYPE(nvp)); | |
1231 | } | |
1232 | ||
b128c09f BB |
1233 | int |
1234 | nvpair_type_is_array(nvpair_t *nvp) | |
1235 | { | |
1236 | data_type_t type = NVP_TYPE(nvp); | |
1237 | ||
1238 | if ((type == DATA_TYPE_BYTE_ARRAY) || | |
1239 | (type == DATA_TYPE_UINT8_ARRAY) || | |
1240 | (type == DATA_TYPE_INT16_ARRAY) || | |
1241 | (type == DATA_TYPE_UINT16_ARRAY) || | |
1242 | (type == DATA_TYPE_INT32_ARRAY) || | |
1243 | (type == DATA_TYPE_UINT32_ARRAY) || | |
1244 | (type == DATA_TYPE_INT64_ARRAY) || | |
1245 | (type == DATA_TYPE_UINT64_ARRAY) || | |
1246 | (type == DATA_TYPE_BOOLEAN_ARRAY) || | |
1247 | (type == DATA_TYPE_STRING_ARRAY) || | |
1248 | (type == DATA_TYPE_NVLIST_ARRAY)) | |
1249 | return (1); | |
1250 | return (0); | |
1251 | ||
1252 | } | |
1253 | ||
34dc7c2f BB |
1254 | static int |
1255 | nvpair_value_common(nvpair_t *nvp, data_type_t type, uint_t *nelem, void *data) | |
1256 | { | |
1257 | if (nvp == NULL || nvpair_type(nvp) != type) | |
1258 | return (EINVAL); | |
1259 | ||
1260 | /* | |
1261 | * For non-array types, we copy the data. | |
1262 | * For array types (including string), we set a pointer. | |
1263 | */ | |
1264 | switch (type) { | |
1265 | case DATA_TYPE_BOOLEAN: | |
1266 | if (nelem != NULL) | |
1267 | *nelem = 0; | |
1268 | break; | |
1269 | ||
1270 | case DATA_TYPE_BOOLEAN_VALUE: | |
1271 | case DATA_TYPE_BYTE: | |
1272 | case DATA_TYPE_INT8: | |
1273 | case DATA_TYPE_UINT8: | |
1274 | case DATA_TYPE_INT16: | |
1275 | case DATA_TYPE_UINT16: | |
1276 | case DATA_TYPE_INT32: | |
1277 | case DATA_TYPE_UINT32: | |
1278 | case DATA_TYPE_INT64: | |
1279 | case DATA_TYPE_UINT64: | |
1280 | case DATA_TYPE_HRTIME: | |
b128c09f BB |
1281 | #if !defined(_KERNEL) |
1282 | case DATA_TYPE_DOUBLE: | |
1283 | #endif | |
34dc7c2f BB |
1284 | if (data == NULL) |
1285 | return (EINVAL); | |
1286 | bcopy(NVP_VALUE(nvp), data, | |
1287 | (size_t)i_get_value_size(type, NULL, 1)); | |
1288 | if (nelem != NULL) | |
1289 | *nelem = 1; | |
1290 | break; | |
1291 | ||
1292 | case DATA_TYPE_NVLIST: | |
1293 | case DATA_TYPE_STRING: | |
1294 | if (data == NULL) | |
1295 | return (EINVAL); | |
1296 | *(void **)data = (void *)NVP_VALUE(nvp); | |
1297 | if (nelem != NULL) | |
1298 | *nelem = 1; | |
1299 | break; | |
1300 | ||
1301 | case DATA_TYPE_BOOLEAN_ARRAY: | |
1302 | case DATA_TYPE_BYTE_ARRAY: | |
1303 | case DATA_TYPE_INT8_ARRAY: | |
1304 | case DATA_TYPE_UINT8_ARRAY: | |
1305 | case DATA_TYPE_INT16_ARRAY: | |
1306 | case DATA_TYPE_UINT16_ARRAY: | |
1307 | case DATA_TYPE_INT32_ARRAY: | |
1308 | case DATA_TYPE_UINT32_ARRAY: | |
1309 | case DATA_TYPE_INT64_ARRAY: | |
1310 | case DATA_TYPE_UINT64_ARRAY: | |
1311 | case DATA_TYPE_STRING_ARRAY: | |
1312 | case DATA_TYPE_NVLIST_ARRAY: | |
1313 | if (nelem == NULL || data == NULL) | |
1314 | return (EINVAL); | |
1315 | if ((*nelem = NVP_NELEM(nvp)) != 0) | |
1316 | *(void **)data = (void *)NVP_VALUE(nvp); | |
1317 | else | |
1318 | *(void **)data = NULL; | |
1319 | break; | |
1320 | ||
1321 | default: | |
1322 | return (ENOTSUP); | |
1323 | } | |
1324 | ||
1325 | return (0); | |
1326 | } | |
1327 | ||
1328 | static int | |
1329 | nvlist_lookup_common(nvlist_t *nvl, const char *name, data_type_t type, | |
1330 | uint_t *nelem, void *data) | |
1331 | { | |
1332 | nvpriv_t *priv; | |
1333 | nvpair_t *nvp; | |
1334 | i_nvp_t *curr; | |
1335 | ||
1336 | if (name == NULL || nvl == NULL || | |
1337 | (priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv) == NULL) | |
1338 | return (EINVAL); | |
1339 | ||
1340 | if (!(nvl->nvl_nvflag & (NV_UNIQUE_NAME | NV_UNIQUE_NAME_TYPE))) | |
1341 | return (ENOTSUP); | |
1342 | ||
1343 | for (curr = priv->nvp_list; curr != NULL; curr = curr->nvi_next) { | |
1344 | nvp = &curr->nvi_nvp; | |
1345 | ||
1346 | if (strcmp(name, NVP_NAME(nvp)) == 0 && NVP_TYPE(nvp) == type) | |
1347 | return (nvpair_value_common(nvp, type, nelem, data)); | |
1348 | } | |
1349 | ||
1350 | return (ENOENT); | |
1351 | } | |
1352 | ||
1353 | int | |
1354 | nvlist_lookup_boolean(nvlist_t *nvl, const char *name) | |
1355 | { | |
1356 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_BOOLEAN, NULL, NULL)); | |
1357 | } | |
1358 | ||
1359 | int | |
1360 | nvlist_lookup_boolean_value(nvlist_t *nvl, const char *name, boolean_t *val) | |
1361 | { | |
1362 | return (nvlist_lookup_common(nvl, name, | |
1363 | DATA_TYPE_BOOLEAN_VALUE, NULL, val)); | |
1364 | } | |
1365 | ||
1366 | int | |
1367 | nvlist_lookup_byte(nvlist_t *nvl, const char *name, uchar_t *val) | |
1368 | { | |
1369 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_BYTE, NULL, val)); | |
1370 | } | |
1371 | ||
1372 | int | |
1373 | nvlist_lookup_int8(nvlist_t *nvl, const char *name, int8_t *val) | |
1374 | { | |
1375 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_INT8, NULL, val)); | |
1376 | } | |
1377 | ||
1378 | int | |
1379 | nvlist_lookup_uint8(nvlist_t *nvl, const char *name, uint8_t *val) | |
1380 | { | |
1381 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_UINT8, NULL, val)); | |
1382 | } | |
1383 | ||
1384 | int | |
1385 | nvlist_lookup_int16(nvlist_t *nvl, const char *name, int16_t *val) | |
1386 | { | |
1387 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_INT16, NULL, val)); | |
1388 | } | |
1389 | ||
1390 | int | |
1391 | nvlist_lookup_uint16(nvlist_t *nvl, const char *name, uint16_t *val) | |
1392 | { | |
1393 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_UINT16, NULL, val)); | |
1394 | } | |
1395 | ||
1396 | int | |
1397 | nvlist_lookup_int32(nvlist_t *nvl, const char *name, int32_t *val) | |
1398 | { | |
1399 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_INT32, NULL, val)); | |
1400 | } | |
1401 | ||
1402 | int | |
1403 | nvlist_lookup_uint32(nvlist_t *nvl, const char *name, uint32_t *val) | |
1404 | { | |
1405 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_UINT32, NULL, val)); | |
1406 | } | |
1407 | ||
1408 | int | |
1409 | nvlist_lookup_int64(nvlist_t *nvl, const char *name, int64_t *val) | |
1410 | { | |
1411 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_INT64, NULL, val)); | |
1412 | } | |
1413 | ||
1414 | int | |
1415 | nvlist_lookup_uint64(nvlist_t *nvl, const char *name, uint64_t *val) | |
1416 | { | |
1417 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_UINT64, NULL, val)); | |
1418 | } | |
1419 | ||
b128c09f BB |
1420 | #if !defined(_KERNEL) |
1421 | int | |
1422 | nvlist_lookup_double(nvlist_t *nvl, const char *name, double *val) | |
1423 | { | |
1424 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_DOUBLE, NULL, val)); | |
1425 | } | |
1426 | #endif | |
1427 | ||
34dc7c2f BB |
1428 | int |
1429 | nvlist_lookup_string(nvlist_t *nvl, const char *name, char **val) | |
1430 | { | |
1431 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_STRING, NULL, val)); | |
1432 | } | |
1433 | ||
1434 | int | |
1435 | nvlist_lookup_nvlist(nvlist_t *nvl, const char *name, nvlist_t **val) | |
1436 | { | |
1437 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_NVLIST, NULL, val)); | |
1438 | } | |
1439 | ||
1440 | int | |
1441 | nvlist_lookup_boolean_array(nvlist_t *nvl, const char *name, | |
1442 | boolean_t **a, uint_t *n) | |
1443 | { | |
1444 | return (nvlist_lookup_common(nvl, name, | |
1445 | DATA_TYPE_BOOLEAN_ARRAY, n, a)); | |
1446 | } | |
1447 | ||
1448 | int | |
1449 | nvlist_lookup_byte_array(nvlist_t *nvl, const char *name, | |
1450 | uchar_t **a, uint_t *n) | |
1451 | { | |
1452 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_BYTE_ARRAY, n, a)); | |
1453 | } | |
1454 | ||
1455 | int | |
1456 | nvlist_lookup_int8_array(nvlist_t *nvl, const char *name, int8_t **a, uint_t *n) | |
1457 | { | |
1458 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_INT8_ARRAY, n, a)); | |
1459 | } | |
1460 | ||
1461 | int | |
1462 | nvlist_lookup_uint8_array(nvlist_t *nvl, const char *name, | |
1463 | uint8_t **a, uint_t *n) | |
1464 | { | |
1465 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_UINT8_ARRAY, n, a)); | |
1466 | } | |
1467 | ||
1468 | int | |
1469 | nvlist_lookup_int16_array(nvlist_t *nvl, const char *name, | |
1470 | int16_t **a, uint_t *n) | |
1471 | { | |
1472 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_INT16_ARRAY, n, a)); | |
1473 | } | |
1474 | ||
1475 | int | |
1476 | nvlist_lookup_uint16_array(nvlist_t *nvl, const char *name, | |
1477 | uint16_t **a, uint_t *n) | |
1478 | { | |
1479 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_UINT16_ARRAY, n, a)); | |
1480 | } | |
1481 | ||
1482 | int | |
1483 | nvlist_lookup_int32_array(nvlist_t *nvl, const char *name, | |
1484 | int32_t **a, uint_t *n) | |
1485 | { | |
1486 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_INT32_ARRAY, n, a)); | |
1487 | } | |
1488 | ||
1489 | int | |
1490 | nvlist_lookup_uint32_array(nvlist_t *nvl, const char *name, | |
1491 | uint32_t **a, uint_t *n) | |
1492 | { | |
1493 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_UINT32_ARRAY, n, a)); | |
1494 | } | |
1495 | ||
1496 | int | |
1497 | nvlist_lookup_int64_array(nvlist_t *nvl, const char *name, | |
1498 | int64_t **a, uint_t *n) | |
1499 | { | |
1500 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_INT64_ARRAY, n, a)); | |
1501 | } | |
1502 | ||
1503 | int | |
1504 | nvlist_lookup_uint64_array(nvlist_t *nvl, const char *name, | |
1505 | uint64_t **a, uint_t *n) | |
1506 | { | |
1507 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_UINT64_ARRAY, n, a)); | |
1508 | } | |
1509 | ||
1510 | int | |
1511 | nvlist_lookup_string_array(nvlist_t *nvl, const char *name, | |
1512 | char ***a, uint_t *n) | |
1513 | { | |
1514 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_STRING_ARRAY, n, a)); | |
1515 | } | |
1516 | ||
1517 | int | |
1518 | nvlist_lookup_nvlist_array(nvlist_t *nvl, const char *name, | |
1519 | nvlist_t ***a, uint_t *n) | |
1520 | { | |
1521 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_NVLIST_ARRAY, n, a)); | |
1522 | } | |
1523 | ||
1524 | int | |
1525 | nvlist_lookup_hrtime(nvlist_t *nvl, const char *name, hrtime_t *val) | |
1526 | { | |
1527 | return (nvlist_lookup_common(nvl, name, DATA_TYPE_HRTIME, NULL, val)); | |
1528 | } | |
1529 | ||
1530 | int | |
1531 | nvlist_lookup_pairs(nvlist_t *nvl, int flag, ...) | |
1532 | { | |
1533 | va_list ap; | |
1534 | char *name; | |
1535 | int noentok = (flag & NV_FLAG_NOENTOK ? 1 : 0); | |
1536 | int ret = 0; | |
1537 | ||
1538 | va_start(ap, flag); | |
1539 | while (ret == 0 && (name = va_arg(ap, char *)) != NULL) { | |
1540 | data_type_t type; | |
1541 | void *val; | |
1542 | uint_t *nelem; | |
1543 | ||
1544 | switch (type = va_arg(ap, data_type_t)) { | |
1545 | case DATA_TYPE_BOOLEAN: | |
1546 | ret = nvlist_lookup_common(nvl, name, type, NULL, NULL); | |
1547 | break; | |
1548 | ||
1549 | case DATA_TYPE_BOOLEAN_VALUE: | |
1550 | case DATA_TYPE_BYTE: | |
1551 | case DATA_TYPE_INT8: | |
1552 | case DATA_TYPE_UINT8: | |
1553 | case DATA_TYPE_INT16: | |
1554 | case DATA_TYPE_UINT16: | |
1555 | case DATA_TYPE_INT32: | |
1556 | case DATA_TYPE_UINT32: | |
1557 | case DATA_TYPE_INT64: | |
1558 | case DATA_TYPE_UINT64: | |
1559 | case DATA_TYPE_HRTIME: | |
1560 | case DATA_TYPE_STRING: | |
1561 | case DATA_TYPE_NVLIST: | |
b128c09f BB |
1562 | #if !defined(_KERNEL) |
1563 | case DATA_TYPE_DOUBLE: | |
1564 | #endif | |
34dc7c2f BB |
1565 | val = va_arg(ap, void *); |
1566 | ret = nvlist_lookup_common(nvl, name, type, NULL, val); | |
1567 | break; | |
1568 | ||
1569 | case DATA_TYPE_BYTE_ARRAY: | |
1570 | case DATA_TYPE_BOOLEAN_ARRAY: | |
1571 | case DATA_TYPE_INT8_ARRAY: | |
1572 | case DATA_TYPE_UINT8_ARRAY: | |
1573 | case DATA_TYPE_INT16_ARRAY: | |
1574 | case DATA_TYPE_UINT16_ARRAY: | |
1575 | case DATA_TYPE_INT32_ARRAY: | |
1576 | case DATA_TYPE_UINT32_ARRAY: | |
1577 | case DATA_TYPE_INT64_ARRAY: | |
1578 | case DATA_TYPE_UINT64_ARRAY: | |
1579 | case DATA_TYPE_STRING_ARRAY: | |
1580 | case DATA_TYPE_NVLIST_ARRAY: | |
1581 | val = va_arg(ap, void *); | |
1582 | nelem = va_arg(ap, uint_t *); | |
1583 | ret = nvlist_lookup_common(nvl, name, type, nelem, val); | |
1584 | break; | |
1585 | ||
1586 | default: | |
1587 | ret = EINVAL; | |
1588 | } | |
1589 | ||
1590 | if (ret == ENOENT && noentok) | |
1591 | ret = 0; | |
1592 | } | |
1593 | va_end(ap); | |
1594 | ||
1595 | return (ret); | |
1596 | } | |
1597 | ||
b128c09f BB |
1598 | /* |
1599 | * Find the 'name'ed nvpair in the nvlist 'nvl'. If 'name' found, the function | |
1600 | * returns zero and a pointer to the matching nvpair is returned in '*ret' | |
1601 | * (given 'ret' is non-NULL). If 'sep' is specified then 'name' will penitrate | |
1602 | * multiple levels of embedded nvlists, with 'sep' as the separator. As an | |
1603 | * example, if sep is '.', name might look like: "a" or "a.b" or "a.c[3]" or | |
1604 | * "a.d[3].e[1]". This matches the C syntax for array embed (for convience, | |
1605 | * code also supports "a.d[3]e[1]" syntax). | |
1606 | * | |
1607 | * If 'ip' is non-NULL and the last name component is an array, return the | |
1608 | * value of the "...[index]" array index in *ip. For an array reference that | |
1609 | * is not indexed, *ip will be returned as -1. If there is a syntax error in | |
1610 | * 'name', and 'ep' is non-NULL then *ep will be set to point to the location | |
1611 | * inside the 'name' string where the syntax error was detected. | |
1612 | */ | |
1613 | static int | |
1614 | nvlist_lookup_nvpair_ei_sep(nvlist_t *nvl, const char *name, const char sep, | |
1615 | nvpair_t **ret, int *ip, char **ep) | |
1616 | { | |
1617 | nvpair_t *nvp; | |
1618 | const char *np; | |
d1d7e268 | 1619 | char *sepp = NULL; |
b128c09f BB |
1620 | char *idxp, *idxep; |
1621 | nvlist_t **nva; | |
d4ed6673 | 1622 | long idx = 0; |
b128c09f BB |
1623 | int n; |
1624 | ||
1625 | if (ip) | |
1626 | *ip = -1; /* not indexed */ | |
1627 | if (ep) | |
1628 | *ep = NULL; | |
1629 | ||
1630 | if ((nvl == NULL) || (name == NULL)) | |
34dc7c2f BB |
1631 | return (EINVAL); |
1632 | ||
b128c09f BB |
1633 | /* step through components of name */ |
1634 | for (np = name; np && *np; np = sepp) { | |
1635 | /* ensure unique names */ | |
1636 | if (!(nvl->nvl_nvflag & NV_UNIQUE_NAME)) | |
1637 | return (ENOTSUP); | |
34dc7c2f | 1638 | |
b128c09f BB |
1639 | /* skip white space */ |
1640 | skip_whitespace(np); | |
1641 | if (*np == 0) | |
1642 | break; | |
34dc7c2f | 1643 | |
b128c09f BB |
1644 | /* set 'sepp' to end of current component 'np' */ |
1645 | if (sep) | |
1646 | sepp = strchr(np, sep); | |
1647 | else | |
1648 | sepp = NULL; | |
1649 | ||
1650 | /* find start of next "[ index ]..." */ | |
1651 | idxp = strchr(np, '['); | |
1652 | ||
1653 | /* if sepp comes first, set idxp to NULL */ | |
1654 | if (sepp && idxp && (sepp < idxp)) | |
1655 | idxp = NULL; | |
1656 | ||
1657 | /* | |
1658 | * At this point 'idxp' is set if there is an index | |
1659 | * expected for the current component. | |
1660 | */ | |
1661 | if (idxp) { | |
1662 | /* set 'n' to length of current 'np' name component */ | |
1663 | n = idxp++ - np; | |
1664 | ||
1665 | /* keep sepp up to date for *ep use as we advance */ | |
1666 | skip_whitespace(idxp); | |
1667 | sepp = idxp; | |
1668 | ||
1669 | /* determine the index value */ | |
1670 | #if defined(_KERNEL) && !defined(_BOOT) | |
1671 | if (ddi_strtol(idxp, &idxep, 0, &idx)) | |
1672 | goto fail; | |
1673 | #else | |
1674 | idx = strtol(idxp, &idxep, 0); | |
1675 | #endif | |
1676 | if (idxep == idxp) | |
1677 | goto fail; | |
1678 | ||
1679 | /* keep sepp up to date for *ep use as we advance */ | |
1680 | sepp = idxep; | |
1681 | ||
1682 | /* skip white space index value and check for ']' */ | |
1683 | skip_whitespace(sepp); | |
1684 | if (*sepp++ != ']') | |
1685 | goto fail; | |
1686 | ||
1687 | /* for embedded arrays, support C syntax: "a[1].b" */ | |
1688 | skip_whitespace(sepp); | |
1689 | if (sep && (*sepp == sep)) | |
1690 | sepp++; | |
1691 | } else if (sepp) { | |
1692 | n = sepp++ - np; | |
1693 | } else { | |
1694 | n = strlen(np); | |
1695 | } | |
1696 | ||
1697 | /* trim trailing whitespace by reducing length of 'np' */ | |
1698 | if (n == 0) | |
1699 | goto fail; | |
1700 | for (n--; (np[n] == ' ') || (np[n] == '\t'); n--) | |
1701 | ; | |
1702 | n++; | |
1703 | ||
1704 | /* skip whitespace, and set sepp to NULL if complete */ | |
1705 | if (sepp) { | |
1706 | skip_whitespace(sepp); | |
1707 | if (*sepp == 0) | |
1708 | sepp = NULL; | |
1709 | } | |
1710 | ||
1711 | /* | |
1712 | * At this point: | |
1713 | * o 'n' is the length of current 'np' component. | |
1714 | * o 'idxp' is set if there was an index, and value 'idx'. | |
1715 | * o 'sepp' is set to the beginning of the next component, | |
1716 | * and set to NULL if we have no more components. | |
1717 | * | |
1718 | * Search for nvpair with matching component name. | |
1719 | */ | |
1720 | for (nvp = nvlist_next_nvpair(nvl, NULL); nvp != NULL; | |
1721 | nvp = nvlist_next_nvpair(nvl, nvp)) { | |
1722 | ||
1723 | /* continue if no match on name */ | |
1724 | if (strncmp(np, nvpair_name(nvp), n) || | |
1725 | (strlen(nvpair_name(nvp)) != n)) | |
1726 | continue; | |
1727 | ||
1728 | /* if indexed, verify type is array oriented */ | |
1729 | if (idxp && !nvpair_type_is_array(nvp)) | |
1730 | goto fail; | |
1731 | ||
1732 | /* | |
1733 | * Full match found, return nvp and idx if this | |
1734 | * was the last component. | |
1735 | */ | |
1736 | if (sepp == NULL) { | |
1737 | if (ret) | |
1738 | *ret = nvp; | |
1739 | if (ip && idxp) | |
1740 | *ip = (int)idx; /* return index */ | |
1741 | return (0); /* found */ | |
1742 | } | |
1743 | ||
1744 | /* | |
1745 | * More components: current match must be | |
1746 | * of DATA_TYPE_NVLIST or DATA_TYPE_NVLIST_ARRAY | |
1747 | * to support going deeper. | |
1748 | */ | |
1749 | if (nvpair_type(nvp) == DATA_TYPE_NVLIST) { | |
1750 | nvl = EMBEDDED_NVL(nvp); | |
1751 | break; | |
1752 | } else if (nvpair_type(nvp) == DATA_TYPE_NVLIST_ARRAY) { | |
1753 | (void) nvpair_value_nvlist_array(nvp, | |
1754 | &nva, (uint_t *)&n); | |
1755 | if ((n < 0) || (idx >= n)) | |
1756 | goto fail; | |
1757 | nvl = nva[idx]; | |
1758 | break; | |
1759 | } | |
1760 | ||
1761 | /* type does not support more levels */ | |
1762 | goto fail; | |
34dc7c2f | 1763 | } |
b128c09f BB |
1764 | if (nvp == NULL) |
1765 | goto fail; /* 'name' not found */ | |
1766 | ||
1767 | /* search for match of next component in embedded 'nvl' list */ | |
34dc7c2f BB |
1768 | } |
1769 | ||
b128c09f BB |
1770 | fail: if (ep && sepp) |
1771 | *ep = sepp; | |
1772 | return (EINVAL); | |
1773 | } | |
1774 | ||
1775 | /* | |
1776 | * Return pointer to nvpair with specified 'name'. | |
1777 | */ | |
1778 | int | |
1779 | nvlist_lookup_nvpair(nvlist_t *nvl, const char *name, nvpair_t **ret) | |
1780 | { | |
1781 | return (nvlist_lookup_nvpair_ei_sep(nvl, name, 0, ret, NULL, NULL)); | |
1782 | } | |
1783 | ||
1784 | /* | |
1785 | * Determine if named nvpair exists in nvlist (use embedded separator of '.' | |
1786 | * and return array index). See nvlist_lookup_nvpair_ei_sep for more detailed | |
1787 | * description. | |
1788 | */ | |
1789 | int nvlist_lookup_nvpair_embedded_index(nvlist_t *nvl, | |
1790 | const char *name, nvpair_t **ret, int *ip, char **ep) | |
1791 | { | |
1792 | return (nvlist_lookup_nvpair_ei_sep(nvl, name, '.', ret, ip, ep)); | |
34dc7c2f BB |
1793 | } |
1794 | ||
1795 | boolean_t | |
1796 | nvlist_exists(nvlist_t *nvl, const char *name) | |
1797 | { | |
1798 | nvpriv_t *priv; | |
1799 | nvpair_t *nvp; | |
1800 | i_nvp_t *curr; | |
1801 | ||
1802 | if (name == NULL || nvl == NULL || | |
1803 | (priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv) == NULL) | |
1804 | return (B_FALSE); | |
1805 | ||
1806 | for (curr = priv->nvp_list; curr != NULL; curr = curr->nvi_next) { | |
1807 | nvp = &curr->nvi_nvp; | |
1808 | ||
1809 | if (strcmp(name, NVP_NAME(nvp)) == 0) | |
1810 | return (B_TRUE); | |
1811 | } | |
1812 | ||
1813 | return (B_FALSE); | |
1814 | } | |
1815 | ||
1816 | int | |
1817 | nvpair_value_boolean_value(nvpair_t *nvp, boolean_t *val) | |
1818 | { | |
1819 | return (nvpair_value_common(nvp, DATA_TYPE_BOOLEAN_VALUE, NULL, val)); | |
1820 | } | |
1821 | ||
1822 | int | |
1823 | nvpair_value_byte(nvpair_t *nvp, uchar_t *val) | |
1824 | { | |
1825 | return (nvpair_value_common(nvp, DATA_TYPE_BYTE, NULL, val)); | |
1826 | } | |
1827 | ||
1828 | int | |
1829 | nvpair_value_int8(nvpair_t *nvp, int8_t *val) | |
1830 | { | |
1831 | return (nvpair_value_common(nvp, DATA_TYPE_INT8, NULL, val)); | |
1832 | } | |
1833 | ||
1834 | int | |
1835 | nvpair_value_uint8(nvpair_t *nvp, uint8_t *val) | |
1836 | { | |
1837 | return (nvpair_value_common(nvp, DATA_TYPE_UINT8, NULL, val)); | |
1838 | } | |
1839 | ||
1840 | int | |
1841 | nvpair_value_int16(nvpair_t *nvp, int16_t *val) | |
1842 | { | |
1843 | return (nvpair_value_common(nvp, DATA_TYPE_INT16, NULL, val)); | |
1844 | } | |
1845 | ||
1846 | int | |
1847 | nvpair_value_uint16(nvpair_t *nvp, uint16_t *val) | |
1848 | { | |
1849 | return (nvpair_value_common(nvp, DATA_TYPE_UINT16, NULL, val)); | |
1850 | } | |
1851 | ||
1852 | int | |
1853 | nvpair_value_int32(nvpair_t *nvp, int32_t *val) | |
1854 | { | |
1855 | return (nvpair_value_common(nvp, DATA_TYPE_INT32, NULL, val)); | |
1856 | } | |
1857 | ||
1858 | int | |
1859 | nvpair_value_uint32(nvpair_t *nvp, uint32_t *val) | |
1860 | { | |
1861 | return (nvpair_value_common(nvp, DATA_TYPE_UINT32, NULL, val)); | |
1862 | } | |
1863 | ||
1864 | int | |
1865 | nvpair_value_int64(nvpair_t *nvp, int64_t *val) | |
1866 | { | |
1867 | return (nvpair_value_common(nvp, DATA_TYPE_INT64, NULL, val)); | |
1868 | } | |
1869 | ||
1870 | int | |
1871 | nvpair_value_uint64(nvpair_t *nvp, uint64_t *val) | |
1872 | { | |
1873 | return (nvpair_value_common(nvp, DATA_TYPE_UINT64, NULL, val)); | |
1874 | } | |
1875 | ||
b128c09f BB |
1876 | #if !defined(_KERNEL) |
1877 | int | |
1878 | nvpair_value_double(nvpair_t *nvp, double *val) | |
1879 | { | |
1880 | return (nvpair_value_common(nvp, DATA_TYPE_DOUBLE, NULL, val)); | |
1881 | } | |
1882 | #endif | |
1883 | ||
34dc7c2f BB |
1884 | int |
1885 | nvpair_value_string(nvpair_t *nvp, char **val) | |
1886 | { | |
1887 | return (nvpair_value_common(nvp, DATA_TYPE_STRING, NULL, val)); | |
1888 | } | |
1889 | ||
1890 | int | |
1891 | nvpair_value_nvlist(nvpair_t *nvp, nvlist_t **val) | |
1892 | { | |
1893 | return (nvpair_value_common(nvp, DATA_TYPE_NVLIST, NULL, val)); | |
1894 | } | |
1895 | ||
1896 | int | |
1897 | nvpair_value_boolean_array(nvpair_t *nvp, boolean_t **val, uint_t *nelem) | |
1898 | { | |
1899 | return (nvpair_value_common(nvp, DATA_TYPE_BOOLEAN_ARRAY, nelem, val)); | |
1900 | } | |
1901 | ||
1902 | int | |
1903 | nvpair_value_byte_array(nvpair_t *nvp, uchar_t **val, uint_t *nelem) | |
1904 | { | |
1905 | return (nvpair_value_common(nvp, DATA_TYPE_BYTE_ARRAY, nelem, val)); | |
1906 | } | |
1907 | ||
1908 | int | |
1909 | nvpair_value_int8_array(nvpair_t *nvp, int8_t **val, uint_t *nelem) | |
1910 | { | |
1911 | return (nvpair_value_common(nvp, DATA_TYPE_INT8_ARRAY, nelem, val)); | |
1912 | } | |
1913 | ||
1914 | int | |
1915 | nvpair_value_uint8_array(nvpair_t *nvp, uint8_t **val, uint_t *nelem) | |
1916 | { | |
1917 | return (nvpair_value_common(nvp, DATA_TYPE_UINT8_ARRAY, nelem, val)); | |
1918 | } | |
1919 | ||
1920 | int | |
1921 | nvpair_value_int16_array(nvpair_t *nvp, int16_t **val, uint_t *nelem) | |
1922 | { | |
1923 | return (nvpair_value_common(nvp, DATA_TYPE_INT16_ARRAY, nelem, val)); | |
1924 | } | |
1925 | ||
1926 | int | |
1927 | nvpair_value_uint16_array(nvpair_t *nvp, uint16_t **val, uint_t *nelem) | |
1928 | { | |
1929 | return (nvpair_value_common(nvp, DATA_TYPE_UINT16_ARRAY, nelem, val)); | |
1930 | } | |
1931 | ||
1932 | int | |
1933 | nvpair_value_int32_array(nvpair_t *nvp, int32_t **val, uint_t *nelem) | |
1934 | { | |
1935 | return (nvpair_value_common(nvp, DATA_TYPE_INT32_ARRAY, nelem, val)); | |
1936 | } | |
1937 | ||
1938 | int | |
1939 | nvpair_value_uint32_array(nvpair_t *nvp, uint32_t **val, uint_t *nelem) | |
1940 | { | |
1941 | return (nvpair_value_common(nvp, DATA_TYPE_UINT32_ARRAY, nelem, val)); | |
1942 | } | |
1943 | ||
1944 | int | |
1945 | nvpair_value_int64_array(nvpair_t *nvp, int64_t **val, uint_t *nelem) | |
1946 | { | |
1947 | return (nvpair_value_common(nvp, DATA_TYPE_INT64_ARRAY, nelem, val)); | |
1948 | } | |
1949 | ||
1950 | int | |
1951 | nvpair_value_uint64_array(nvpair_t *nvp, uint64_t **val, uint_t *nelem) | |
1952 | { | |
1953 | return (nvpair_value_common(nvp, DATA_TYPE_UINT64_ARRAY, nelem, val)); | |
1954 | } | |
1955 | ||
1956 | int | |
1957 | nvpair_value_string_array(nvpair_t *nvp, char ***val, uint_t *nelem) | |
1958 | { | |
1959 | return (nvpair_value_common(nvp, DATA_TYPE_STRING_ARRAY, nelem, val)); | |
1960 | } | |
1961 | ||
1962 | int | |
1963 | nvpair_value_nvlist_array(nvpair_t *nvp, nvlist_t ***val, uint_t *nelem) | |
1964 | { | |
1965 | return (nvpair_value_common(nvp, DATA_TYPE_NVLIST_ARRAY, nelem, val)); | |
1966 | } | |
1967 | ||
1968 | int | |
1969 | nvpair_value_hrtime(nvpair_t *nvp, hrtime_t *val) | |
1970 | { | |
1971 | return (nvpair_value_common(nvp, DATA_TYPE_HRTIME, NULL, val)); | |
1972 | } | |
1973 | ||
1974 | /* | |
1975 | * Add specified pair to the list. | |
1976 | */ | |
1977 | int | |
1978 | nvlist_add_nvpair(nvlist_t *nvl, nvpair_t *nvp) | |
1979 | { | |
1980 | if (nvl == NULL || nvp == NULL) | |
1981 | return (EINVAL); | |
1982 | ||
1983 | return (nvlist_add_common(nvl, NVP_NAME(nvp), NVP_TYPE(nvp), | |
1984 | NVP_NELEM(nvp), NVP_VALUE(nvp))); | |
1985 | } | |
1986 | ||
1987 | /* | |
1988 | * Merge the supplied nvlists and put the result in dst. | |
1989 | * The merged list will contain all names specified in both lists, | |
1990 | * the values are taken from nvl in the case of duplicates. | |
1991 | * Return 0 on success. | |
1992 | */ | |
1993 | /*ARGSUSED*/ | |
1994 | int | |
1995 | nvlist_merge(nvlist_t *dst, nvlist_t *nvl, int flag) | |
1996 | { | |
1997 | if (nvl == NULL || dst == NULL) | |
1998 | return (EINVAL); | |
1999 | ||
2000 | if (dst != nvl) | |
2001 | return (nvlist_copy_pairs(nvl, dst)); | |
2002 | ||
2003 | return (0); | |
2004 | } | |
2005 | ||
2006 | /* | |
2007 | * Encoding related routines | |
2008 | */ | |
2009 | #define NVS_OP_ENCODE 0 | |
2010 | #define NVS_OP_DECODE 1 | |
2011 | #define NVS_OP_GETSIZE 2 | |
2012 | ||
2013 | typedef struct nvs_ops nvs_ops_t; | |
2014 | ||
2015 | typedef struct { | |
2016 | int nvs_op; | |
2017 | const nvs_ops_t *nvs_ops; | |
2018 | void *nvs_private; | |
2019 | nvpriv_t *nvs_priv; | |
2020 | } nvstream_t; | |
2021 | ||
2022 | /* | |
2023 | * nvs operations are: | |
2024 | * - nvs_nvlist | |
d5884c34 | 2025 | * encoding / decoding of an nvlist header (nvlist_t) |
34dc7c2f BB |
2026 | * calculates the size used for header and end detection |
2027 | * | |
2028 | * - nvs_nvpair | |
2029 | * responsible for the first part of encoding / decoding of an nvpair | |
2030 | * calculates the decoded size of an nvpair | |
2031 | * | |
2032 | * - nvs_nvp_op | |
2033 | * second part of encoding / decoding of an nvpair | |
2034 | * | |
2035 | * - nvs_nvp_size | |
2036 | * calculates the encoding size of an nvpair | |
2037 | * | |
2038 | * - nvs_nvl_fini | |
2039 | * encodes the end detection mark (zeros). | |
2040 | */ | |
2041 | struct nvs_ops { | |
2042 | int (*nvs_nvlist)(nvstream_t *, nvlist_t *, size_t *); | |
2043 | int (*nvs_nvpair)(nvstream_t *, nvpair_t *, size_t *); | |
2044 | int (*nvs_nvp_op)(nvstream_t *, nvpair_t *); | |
2045 | int (*nvs_nvp_size)(nvstream_t *, nvpair_t *, size_t *); | |
2046 | int (*nvs_nvl_fini)(nvstream_t *); | |
2047 | }; | |
2048 | ||
2049 | typedef struct { | |
2050 | char nvh_encoding; /* nvs encoding method */ | |
2051 | char nvh_endian; /* nvs endian */ | |
2052 | char nvh_reserved1; /* reserved for future use */ | |
2053 | char nvh_reserved2; /* reserved for future use */ | |
2054 | } nvs_header_t; | |
2055 | ||
2056 | static int | |
2057 | nvs_encode_pairs(nvstream_t *nvs, nvlist_t *nvl) | |
2058 | { | |
2059 | nvpriv_t *priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv; | |
2060 | i_nvp_t *curr; | |
2061 | ||
2062 | /* | |
2063 | * Walk nvpair in list and encode each nvpair | |
2064 | */ | |
2065 | for (curr = priv->nvp_list; curr != NULL; curr = curr->nvi_next) | |
2066 | if (nvs->nvs_ops->nvs_nvpair(nvs, &curr->nvi_nvp, NULL) != 0) | |
2067 | return (EFAULT); | |
2068 | ||
2069 | return (nvs->nvs_ops->nvs_nvl_fini(nvs)); | |
2070 | } | |
2071 | ||
2072 | static int | |
2073 | nvs_decode_pairs(nvstream_t *nvs, nvlist_t *nvl) | |
2074 | { | |
2075 | nvpair_t *nvp; | |
2076 | size_t nvsize; | |
2077 | int err; | |
2078 | ||
2079 | /* | |
2080 | * Get decoded size of next pair in stream, alloc | |
2081 | * memory for nvpair_t, then decode the nvpair | |
2082 | */ | |
2083 | while ((err = nvs->nvs_ops->nvs_nvpair(nvs, NULL, &nvsize)) == 0) { | |
2084 | if (nvsize == 0) /* end of list */ | |
2085 | break; | |
2086 | ||
2087 | /* make sure len makes sense */ | |
2088 | if (nvsize < NVP_SIZE_CALC(1, 0)) | |
2089 | return (EFAULT); | |
2090 | ||
2091 | if ((nvp = nvp_buf_alloc(nvl, nvsize)) == NULL) | |
2092 | return (ENOMEM); | |
2093 | ||
2094 | if ((err = nvs->nvs_ops->nvs_nvp_op(nvs, nvp)) != 0) { | |
2095 | nvp_buf_free(nvl, nvp); | |
2096 | return (err); | |
2097 | } | |
2098 | ||
2099 | if (i_validate_nvpair(nvp) != 0) { | |
2100 | nvpair_free(nvp); | |
2101 | nvp_buf_free(nvl, nvp); | |
2102 | return (EFAULT); | |
2103 | } | |
2104 | ||
2105 | nvp_buf_link(nvl, nvp); | |
2106 | } | |
2107 | return (err); | |
2108 | } | |
2109 | ||
2110 | static int | |
2111 | nvs_getsize_pairs(nvstream_t *nvs, nvlist_t *nvl, size_t *buflen) | |
2112 | { | |
2113 | nvpriv_t *priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv; | |
2114 | i_nvp_t *curr; | |
2115 | uint64_t nvsize = *buflen; | |
2116 | size_t size; | |
2117 | ||
2118 | /* | |
2119 | * Get encoded size of nvpairs in nvlist | |
2120 | */ | |
2121 | for (curr = priv->nvp_list; curr != NULL; curr = curr->nvi_next) { | |
2122 | if (nvs->nvs_ops->nvs_nvp_size(nvs, &curr->nvi_nvp, &size) != 0) | |
2123 | return (EINVAL); | |
2124 | ||
2125 | if ((nvsize += size) > INT32_MAX) | |
2126 | return (EINVAL); | |
2127 | } | |
2128 | ||
2129 | *buflen = nvsize; | |
2130 | return (0); | |
2131 | } | |
2132 | ||
2133 | static int | |
2134 | nvs_operation(nvstream_t *nvs, nvlist_t *nvl, size_t *buflen) | |
2135 | { | |
2136 | int err; | |
2137 | ||
2138 | if (nvl->nvl_priv == 0) | |
2139 | return (EFAULT); | |
2140 | ||
2141 | /* | |
2142 | * Perform the operation, starting with header, then each nvpair | |
2143 | */ | |
2144 | if ((err = nvs->nvs_ops->nvs_nvlist(nvs, nvl, buflen)) != 0) | |
2145 | return (err); | |
2146 | ||
2147 | switch (nvs->nvs_op) { | |
2148 | case NVS_OP_ENCODE: | |
2149 | err = nvs_encode_pairs(nvs, nvl); | |
2150 | break; | |
2151 | ||
2152 | case NVS_OP_DECODE: | |
2153 | err = nvs_decode_pairs(nvs, nvl); | |
2154 | break; | |
2155 | ||
2156 | case NVS_OP_GETSIZE: | |
2157 | err = nvs_getsize_pairs(nvs, nvl, buflen); | |
2158 | break; | |
2159 | ||
2160 | default: | |
2161 | err = EINVAL; | |
2162 | } | |
2163 | ||
2164 | return (err); | |
2165 | } | |
2166 | ||
2167 | static int | |
2168 | nvs_embedded(nvstream_t *nvs, nvlist_t *embedded) | |
2169 | { | |
2170 | switch (nvs->nvs_op) { | |
2171 | case NVS_OP_ENCODE: | |
2172 | return (nvs_operation(nvs, embedded, NULL)); | |
2173 | ||
2174 | case NVS_OP_DECODE: { | |
2175 | nvpriv_t *priv; | |
2176 | int err; | |
2177 | ||
2178 | if (embedded->nvl_version != NV_VERSION) | |
2179 | return (ENOTSUP); | |
2180 | ||
2181 | if ((priv = nv_priv_alloc_embedded(nvs->nvs_priv)) == NULL) | |
2182 | return (ENOMEM); | |
2183 | ||
2184 | nvlist_init(embedded, embedded->nvl_nvflag, priv); | |
2185 | ||
2186 | if ((err = nvs_operation(nvs, embedded, NULL)) != 0) | |
2187 | nvlist_free(embedded); | |
2188 | return (err); | |
2189 | } | |
2190 | default: | |
2191 | break; | |
2192 | } | |
2193 | ||
2194 | return (EINVAL); | |
2195 | } | |
2196 | ||
2197 | static int | |
2198 | nvs_embedded_nvl_array(nvstream_t *nvs, nvpair_t *nvp, size_t *size) | |
2199 | { | |
2200 | size_t nelem = NVP_NELEM(nvp); | |
2201 | nvlist_t **nvlp = EMBEDDED_NVL_ARRAY(nvp); | |
2202 | int i; | |
2203 | ||
2204 | switch (nvs->nvs_op) { | |
2205 | case NVS_OP_ENCODE: | |
2206 | for (i = 0; i < nelem; i++) | |
2207 | if (nvs_embedded(nvs, nvlp[i]) != 0) | |
2208 | return (EFAULT); | |
2209 | break; | |
2210 | ||
2211 | case NVS_OP_DECODE: { | |
2212 | size_t len = nelem * sizeof (uint64_t); | |
2213 | nvlist_t *embedded = (nvlist_t *)((uintptr_t)nvlp + len); | |
2214 | ||
2215 | bzero(nvlp, len); /* don't trust packed data */ | |
2216 | for (i = 0; i < nelem; i++) { | |
2217 | if (nvs_embedded(nvs, embedded) != 0) { | |
2218 | nvpair_free(nvp); | |
2219 | return (EFAULT); | |
2220 | } | |
2221 | ||
2222 | nvlp[i] = embedded++; | |
2223 | } | |
2224 | break; | |
2225 | } | |
2226 | case NVS_OP_GETSIZE: { | |
2227 | uint64_t nvsize = 0; | |
2228 | ||
2229 | for (i = 0; i < nelem; i++) { | |
2230 | size_t nvp_sz = 0; | |
2231 | ||
2232 | if (nvs_operation(nvs, nvlp[i], &nvp_sz) != 0) | |
2233 | return (EINVAL); | |
2234 | ||
2235 | if ((nvsize += nvp_sz) > INT32_MAX) | |
2236 | return (EINVAL); | |
2237 | } | |
2238 | ||
2239 | *size = nvsize; | |
2240 | break; | |
2241 | } | |
2242 | default: | |
2243 | return (EINVAL); | |
2244 | } | |
2245 | ||
2246 | return (0); | |
2247 | } | |
2248 | ||
2249 | static int nvs_native(nvstream_t *, nvlist_t *, char *, size_t *); | |
2250 | static int nvs_xdr(nvstream_t *, nvlist_t *, char *, size_t *); | |
2251 | ||
2252 | /* | |
2253 | * Common routine for nvlist operations: | |
2254 | * encode, decode, getsize (encoded size). | |
2255 | */ | |
2256 | static int | |
2257 | nvlist_common(nvlist_t *nvl, char *buf, size_t *buflen, int encoding, | |
2258 | int nvs_op) | |
2259 | { | |
2260 | int err = 0; | |
2261 | nvstream_t nvs; | |
2262 | int nvl_endian; | |
2263 | #ifdef _LITTLE_ENDIAN | |
2264 | int host_endian = 1; | |
2265 | #else | |
2266 | int host_endian = 0; | |
2267 | #endif /* _LITTLE_ENDIAN */ | |
2268 | nvs_header_t *nvh = (void *)buf; | |
2269 | ||
2270 | if (buflen == NULL || nvl == NULL || | |
2271 | (nvs.nvs_priv = (nvpriv_t *)(uintptr_t)nvl->nvl_priv) == NULL) | |
2272 | return (EINVAL); | |
2273 | ||
2274 | nvs.nvs_op = nvs_op; | |
2275 | ||
2276 | /* | |
2277 | * For NVS_OP_ENCODE and NVS_OP_DECODE make sure an nvlist and | |
2278 | * a buffer is allocated. The first 4 bytes in the buffer are | |
2279 | * used for encoding method and host endian. | |
2280 | */ | |
2281 | switch (nvs_op) { | |
2282 | case NVS_OP_ENCODE: | |
2283 | if (buf == NULL || *buflen < sizeof (nvs_header_t)) | |
2284 | return (EINVAL); | |
2285 | ||
2286 | nvh->nvh_encoding = encoding; | |
2287 | nvh->nvh_endian = nvl_endian = host_endian; | |
2288 | nvh->nvh_reserved1 = 0; | |
2289 | nvh->nvh_reserved2 = 0; | |
2290 | break; | |
2291 | ||
2292 | case NVS_OP_DECODE: | |
2293 | if (buf == NULL || *buflen < sizeof (nvs_header_t)) | |
2294 | return (EINVAL); | |
2295 | ||
2296 | /* get method of encoding from first byte */ | |
2297 | encoding = nvh->nvh_encoding; | |
2298 | nvl_endian = nvh->nvh_endian; | |
2299 | break; | |
2300 | ||
2301 | case NVS_OP_GETSIZE: | |
2302 | nvl_endian = host_endian; | |
2303 | ||
2304 | /* | |
2305 | * add the size for encoding | |
2306 | */ | |
2307 | *buflen = sizeof (nvs_header_t); | |
2308 | break; | |
2309 | ||
2310 | default: | |
2311 | return (ENOTSUP); | |
2312 | } | |
2313 | ||
2314 | /* | |
2315 | * Create an nvstream with proper encoding method | |
2316 | */ | |
2317 | switch (encoding) { | |
2318 | case NV_ENCODE_NATIVE: | |
2319 | /* | |
2320 | * check endianness, in case we are unpacking | |
2321 | * from a file | |
2322 | */ | |
2323 | if (nvl_endian != host_endian) | |
2324 | return (ENOTSUP); | |
2325 | err = nvs_native(&nvs, nvl, buf, buflen); | |
2326 | break; | |
2327 | case NV_ENCODE_XDR: | |
2328 | err = nvs_xdr(&nvs, nvl, buf, buflen); | |
2329 | break; | |
2330 | default: | |
2331 | err = ENOTSUP; | |
2332 | break; | |
2333 | } | |
2334 | ||
2335 | return (err); | |
2336 | } | |
2337 | ||
2338 | int | |
2339 | nvlist_size(nvlist_t *nvl, size_t *size, int encoding) | |
2340 | { | |
2341 | return (nvlist_common(nvl, NULL, size, encoding, NVS_OP_GETSIZE)); | |
2342 | } | |
2343 | ||
2344 | /* | |
2345 | * Pack nvlist into contiguous memory | |
2346 | */ | |
34dc7c2f BB |
2347 | int |
2348 | nvlist_pack(nvlist_t *nvl, char **bufp, size_t *buflen, int encoding, | |
2349 | int kmflag) | |
2350 | { | |
34dc7c2f | 2351 | return (nvlist_xpack(nvl, bufp, buflen, encoding, |
ac034097 | 2352 | nvlist_nv_alloc(kmflag))); |
34dc7c2f BB |
2353 | } |
2354 | ||
2355 | int | |
2356 | nvlist_xpack(nvlist_t *nvl, char **bufp, size_t *buflen, int encoding, | |
2357 | nv_alloc_t *nva) | |
2358 | { | |
2359 | nvpriv_t nvpriv; | |
2360 | size_t alloc_size; | |
2361 | char *buf; | |
2362 | int err; | |
2363 | ||
2364 | if (nva == NULL || nvl == NULL || bufp == NULL || buflen == NULL) | |
2365 | return (EINVAL); | |
2366 | ||
2367 | if (*bufp != NULL) | |
2368 | return (nvlist_common(nvl, *bufp, buflen, encoding, | |
2369 | NVS_OP_ENCODE)); | |
2370 | ||
2371 | /* | |
2372 | * Here is a difficult situation: | |
2373 | * 1. The nvlist has fixed allocator properties. | |
2374 | * All other nvlist routines (like nvlist_add_*, ...) use | |
2375 | * these properties. | |
2376 | * 2. When using nvlist_pack() the user can specify his own | |
2377 | * allocator properties (e.g. by using KM_NOSLEEP). | |
2378 | * | |
2379 | * We use the user specified properties (2). A clearer solution | |
2380 | * will be to remove the kmflag from nvlist_pack(), but we will | |
2381 | * not change the interface. | |
2382 | */ | |
2383 | nv_priv_init(&nvpriv, nva, 0); | |
2384 | ||
c65aa5b2 | 2385 | if ((err = nvlist_size(nvl, &alloc_size, encoding))) |
34dc7c2f BB |
2386 | return (err); |
2387 | ||
2388 | if ((buf = nv_mem_zalloc(&nvpriv, alloc_size)) == NULL) | |
2389 | return (ENOMEM); | |
2390 | ||
2391 | if ((err = nvlist_common(nvl, buf, &alloc_size, encoding, | |
2392 | NVS_OP_ENCODE)) != 0) { | |
2393 | nv_mem_free(&nvpriv, buf, alloc_size); | |
2394 | } else { | |
2395 | *buflen = alloc_size; | |
2396 | *bufp = buf; | |
2397 | } | |
2398 | ||
2399 | return (err); | |
2400 | } | |
2401 | ||
2402 | /* | |
2403 | * Unpack buf into an nvlist_t | |
2404 | */ | |
34dc7c2f BB |
2405 | int |
2406 | nvlist_unpack(char *buf, size_t buflen, nvlist_t **nvlp, int kmflag) | |
2407 | { | |
ac034097 | 2408 | return (nvlist_xunpack(buf, buflen, nvlp, nvlist_nv_alloc(kmflag))); |
34dc7c2f BB |
2409 | } |
2410 | ||
2411 | int | |
2412 | nvlist_xunpack(char *buf, size_t buflen, nvlist_t **nvlp, nv_alloc_t *nva) | |
2413 | { | |
2414 | nvlist_t *nvl; | |
2415 | int err; | |
2416 | ||
2417 | if (nvlp == NULL) | |
2418 | return (EINVAL); | |
2419 | ||
2420 | if ((err = nvlist_xalloc(&nvl, 0, nva)) != 0) | |
2421 | return (err); | |
2422 | ||
2423 | if ((err = nvlist_common(nvl, buf, &buflen, 0, NVS_OP_DECODE)) != 0) | |
2424 | nvlist_free(nvl); | |
2425 | else | |
2426 | *nvlp = nvl; | |
2427 | ||
2428 | return (err); | |
2429 | } | |
2430 | ||
2431 | /* | |
2432 | * Native encoding functions | |
2433 | */ | |
2434 | typedef struct { | |
2435 | /* | |
2436 | * This structure is used when decoding a packed nvpair in | |
2437 | * the native format. n_base points to a buffer containing the | |
2438 | * packed nvpair. n_end is a pointer to the end of the buffer. | |
2439 | * (n_end actually points to the first byte past the end of the | |
2440 | * buffer.) n_curr is a pointer that lies between n_base and n_end. | |
2441 | * It points to the current data that we are decoding. | |
2442 | * The amount of data left in the buffer is equal to n_end - n_curr. | |
2443 | * n_flag is used to recognize a packed embedded list. | |
2444 | */ | |
2445 | caddr_t n_base; | |
2446 | caddr_t n_end; | |
2447 | caddr_t n_curr; | |
2448 | uint_t n_flag; | |
2449 | } nvs_native_t; | |
2450 | ||
2451 | static int | |
2452 | nvs_native_create(nvstream_t *nvs, nvs_native_t *native, char *buf, | |
2453 | size_t buflen) | |
2454 | { | |
2455 | switch (nvs->nvs_op) { | |
2456 | case NVS_OP_ENCODE: | |
2457 | case NVS_OP_DECODE: | |
2458 | nvs->nvs_private = native; | |
2459 | native->n_curr = native->n_base = buf; | |
2460 | native->n_end = buf + buflen; | |
2461 | native->n_flag = 0; | |
2462 | return (0); | |
2463 | ||
2464 | case NVS_OP_GETSIZE: | |
2465 | nvs->nvs_private = native; | |
2466 | native->n_curr = native->n_base = native->n_end = NULL; | |
2467 | native->n_flag = 0; | |
2468 | return (0); | |
2469 | default: | |
2470 | return (EINVAL); | |
2471 | } | |
2472 | } | |
2473 | ||
2474 | /*ARGSUSED*/ | |
2475 | static void | |
2476 | nvs_native_destroy(nvstream_t *nvs) | |
2477 | { | |
2478 | } | |
2479 | ||
2480 | static int | |
2481 | native_cp(nvstream_t *nvs, void *buf, size_t size) | |
2482 | { | |
2483 | nvs_native_t *native = (nvs_native_t *)nvs->nvs_private; | |
2484 | ||
2485 | if (native->n_curr + size > native->n_end) | |
2486 | return (EFAULT); | |
2487 | ||
2488 | /* | |
2489 | * The bcopy() below eliminates alignment requirement | |
2490 | * on the buffer (stream) and is preferred over direct access. | |
2491 | */ | |
2492 | switch (nvs->nvs_op) { | |
2493 | case NVS_OP_ENCODE: | |
2494 | bcopy(buf, native->n_curr, size); | |
2495 | break; | |
2496 | case NVS_OP_DECODE: | |
2497 | bcopy(native->n_curr, buf, size); | |
2498 | break; | |
2499 | default: | |
2500 | return (EINVAL); | |
2501 | } | |
2502 | ||
2503 | native->n_curr += size; | |
2504 | return (0); | |
2505 | } | |
2506 | ||
2507 | /* | |
2508 | * operate on nvlist_t header | |
2509 | */ | |
2510 | static int | |
2511 | nvs_native_nvlist(nvstream_t *nvs, nvlist_t *nvl, size_t *size) | |
2512 | { | |
2513 | nvs_native_t *native = nvs->nvs_private; | |
2514 | ||
2515 | switch (nvs->nvs_op) { | |
2516 | case NVS_OP_ENCODE: | |
2517 | case NVS_OP_DECODE: | |
2518 | if (native->n_flag) | |
2519 | return (0); /* packed embedded list */ | |
2520 | ||
2521 | native->n_flag = 1; | |
2522 | ||
2523 | /* copy version and nvflag of the nvlist_t */ | |
2524 | if (native_cp(nvs, &nvl->nvl_version, sizeof (int32_t)) != 0 || | |
2525 | native_cp(nvs, &nvl->nvl_nvflag, sizeof (int32_t)) != 0) | |
2526 | return (EFAULT); | |
2527 | ||
2528 | return (0); | |
2529 | ||
2530 | case NVS_OP_GETSIZE: | |
2531 | /* | |
2532 | * if calculate for packed embedded list | |
2533 | * 4 for end of the embedded list | |
2534 | * else | |
2535 | * 2 * sizeof (int32_t) for nvl_version and nvl_nvflag | |
2536 | * and 4 for end of the entire list | |
2537 | */ | |
2538 | if (native->n_flag) { | |
2539 | *size += 4; | |
2540 | } else { | |
2541 | native->n_flag = 1; | |
2542 | *size += 2 * sizeof (int32_t) + 4; | |
2543 | } | |
2544 | ||
2545 | return (0); | |
2546 | ||
2547 | default: | |
2548 | return (EINVAL); | |
2549 | } | |
2550 | } | |
2551 | ||
2552 | static int | |
2553 | nvs_native_nvl_fini(nvstream_t *nvs) | |
2554 | { | |
2555 | if (nvs->nvs_op == NVS_OP_ENCODE) { | |
2556 | nvs_native_t *native = (nvs_native_t *)nvs->nvs_private; | |
2557 | /* | |
2558 | * Add 4 zero bytes at end of nvlist. They are used | |
2559 | * for end detection by the decode routine. | |
2560 | */ | |
2561 | if (native->n_curr + sizeof (int) > native->n_end) | |
2562 | return (EFAULT); | |
2563 | ||
2564 | bzero(native->n_curr, sizeof (int)); | |
2565 | native->n_curr += sizeof (int); | |
2566 | } | |
2567 | ||
2568 | return (0); | |
2569 | } | |
2570 | ||
2571 | static int | |
2572 | nvpair_native_embedded(nvstream_t *nvs, nvpair_t *nvp) | |
2573 | { | |
2574 | if (nvs->nvs_op == NVS_OP_ENCODE) { | |
2575 | nvs_native_t *native = (nvs_native_t *)nvs->nvs_private; | |
2576 | nvlist_t *packed = (void *) | |
2577 | (native->n_curr - nvp->nvp_size + NVP_VALOFF(nvp)); | |
2578 | /* | |
2579 | * Null out the pointer that is meaningless in the packed | |
2580 | * structure. The address may not be aligned, so we have | |
2581 | * to use bzero. | |
2582 | */ | |
aa0218d6 BB |
2583 | bzero((char *)packed + offsetof(nvlist_t, nvl_priv), |
2584 | sizeof (uint64_t)); | |
34dc7c2f BB |
2585 | } |
2586 | ||
2587 | return (nvs_embedded(nvs, EMBEDDED_NVL(nvp))); | |
2588 | } | |
2589 | ||
2590 | static int | |
2591 | nvpair_native_embedded_array(nvstream_t *nvs, nvpair_t *nvp) | |
2592 | { | |
2593 | if (nvs->nvs_op == NVS_OP_ENCODE) { | |
2594 | nvs_native_t *native = (nvs_native_t *)nvs->nvs_private; | |
2595 | char *value = native->n_curr - nvp->nvp_size + NVP_VALOFF(nvp); | |
2596 | size_t len = NVP_NELEM(nvp) * sizeof (uint64_t); | |
2597 | nvlist_t *packed = (nvlist_t *)((uintptr_t)value + len); | |
2598 | int i; | |
2599 | /* | |
2600 | * Null out pointers that are meaningless in the packed | |
2601 | * structure. The addresses may not be aligned, so we have | |
2602 | * to use bzero. | |
2603 | */ | |
2604 | bzero(value, len); | |
2605 | ||
2606 | for (i = 0; i < NVP_NELEM(nvp); i++, packed++) | |
2607 | /* | |
2608 | * Null out the pointer that is meaningless in the | |
2609 | * packed structure. The address may not be aligned, | |
2610 | * so we have to use bzero. | |
2611 | */ | |
aa0218d6 BB |
2612 | bzero((char *)packed + offsetof(nvlist_t, nvl_priv), |
2613 | sizeof (uint64_t)); | |
34dc7c2f BB |
2614 | } |
2615 | ||
2616 | return (nvs_embedded_nvl_array(nvs, nvp, NULL)); | |
2617 | } | |
2618 | ||
2619 | static void | |
2620 | nvpair_native_string_array(nvstream_t *nvs, nvpair_t *nvp) | |
2621 | { | |
2622 | switch (nvs->nvs_op) { | |
2623 | case NVS_OP_ENCODE: { | |
2624 | nvs_native_t *native = (nvs_native_t *)nvs->nvs_private; | |
2625 | uint64_t *strp = (void *) | |
2626 | (native->n_curr - nvp->nvp_size + NVP_VALOFF(nvp)); | |
2627 | /* | |
2628 | * Null out pointers that are meaningless in the packed | |
2629 | * structure. The addresses may not be aligned, so we have | |
2630 | * to use bzero. | |
2631 | */ | |
2632 | bzero(strp, NVP_NELEM(nvp) * sizeof (uint64_t)); | |
2633 | break; | |
2634 | } | |
2635 | case NVS_OP_DECODE: { | |
2636 | char **strp = (void *)NVP_VALUE(nvp); | |
2637 | char *buf = ((char *)strp + NVP_NELEM(nvp) * sizeof (uint64_t)); | |
2638 | int i; | |
2639 | ||
2640 | for (i = 0; i < NVP_NELEM(nvp); i++) { | |
2641 | strp[i] = buf; | |
2642 | buf += strlen(buf) + 1; | |
2643 | } | |
2644 | break; | |
2645 | } | |
2646 | } | |
2647 | } | |
2648 | ||
2649 | static int | |
2650 | nvs_native_nvp_op(nvstream_t *nvs, nvpair_t *nvp) | |
2651 | { | |
2652 | data_type_t type; | |
2653 | int value_sz; | |
2654 | int ret = 0; | |
2655 | ||
2656 | /* | |
2657 | * We do the initial bcopy of the data before we look at | |
2658 | * the nvpair type, because when we're decoding, we won't | |
2659 | * have the correct values for the pair until we do the bcopy. | |
2660 | */ | |
2661 | switch (nvs->nvs_op) { | |
2662 | case NVS_OP_ENCODE: | |
2663 | case NVS_OP_DECODE: | |
2664 | if (native_cp(nvs, nvp, nvp->nvp_size) != 0) | |
2665 | return (EFAULT); | |
2666 | break; | |
2667 | default: | |
2668 | return (EINVAL); | |
2669 | } | |
2670 | ||
2671 | /* verify nvp_name_sz, check the name string length */ | |
2672 | if (i_validate_nvpair_name(nvp) != 0) | |
2673 | return (EFAULT); | |
2674 | ||
2675 | type = NVP_TYPE(nvp); | |
2676 | ||
2677 | /* | |
2678 | * Verify type and nelem and get the value size. | |
2679 | * In case of data types DATA_TYPE_STRING and DATA_TYPE_STRING_ARRAY | |
2680 | * is the size of the string(s) excluded. | |
2681 | */ | |
2682 | if ((value_sz = i_get_value_size(type, NULL, NVP_NELEM(nvp))) < 0) | |
2683 | return (EFAULT); | |
2684 | ||
2685 | if (NVP_SIZE_CALC(nvp->nvp_name_sz, value_sz) > nvp->nvp_size) | |
2686 | return (EFAULT); | |
2687 | ||
2688 | switch (type) { | |
2689 | case DATA_TYPE_NVLIST: | |
2690 | ret = nvpair_native_embedded(nvs, nvp); | |
2691 | break; | |
2692 | case DATA_TYPE_NVLIST_ARRAY: | |
2693 | ret = nvpair_native_embedded_array(nvs, nvp); | |
2694 | break; | |
2695 | case DATA_TYPE_STRING_ARRAY: | |
2696 | nvpair_native_string_array(nvs, nvp); | |
2697 | break; | |
2698 | default: | |
2699 | break; | |
2700 | } | |
2701 | ||
2702 | return (ret); | |
2703 | } | |
2704 | ||
2705 | static int | |
2706 | nvs_native_nvp_size(nvstream_t *nvs, nvpair_t *nvp, size_t *size) | |
2707 | { | |
2708 | uint64_t nvp_sz = nvp->nvp_size; | |
2709 | ||
2710 | switch (NVP_TYPE(nvp)) { | |
2711 | case DATA_TYPE_NVLIST: { | |
2712 | size_t nvsize = 0; | |
2713 | ||
2714 | if (nvs_operation(nvs, EMBEDDED_NVL(nvp), &nvsize) != 0) | |
2715 | return (EINVAL); | |
2716 | ||
2717 | nvp_sz += nvsize; | |
2718 | break; | |
2719 | } | |
2720 | case DATA_TYPE_NVLIST_ARRAY: { | |
2721 | size_t nvsize; | |
2722 | ||
2723 | if (nvs_embedded_nvl_array(nvs, nvp, &nvsize) != 0) | |
2724 | return (EINVAL); | |
2725 | ||
2726 | nvp_sz += nvsize; | |
2727 | break; | |
2728 | } | |
2729 | default: | |
2730 | break; | |
2731 | } | |
2732 | ||
2733 | if (nvp_sz > INT32_MAX) | |
2734 | return (EINVAL); | |
2735 | ||
2736 | *size = nvp_sz; | |
2737 | ||
2738 | return (0); | |
2739 | } | |
2740 | ||
2741 | static int | |
2742 | nvs_native_nvpair(nvstream_t *nvs, nvpair_t *nvp, size_t *size) | |
2743 | { | |
2744 | switch (nvs->nvs_op) { | |
2745 | case NVS_OP_ENCODE: | |
2746 | return (nvs_native_nvp_op(nvs, nvp)); | |
2747 | ||
2748 | case NVS_OP_DECODE: { | |
2749 | nvs_native_t *native = (nvs_native_t *)nvs->nvs_private; | |
2750 | int32_t decode_len; | |
2751 | ||
2752 | /* try to read the size value from the stream */ | |
2753 | if (native->n_curr + sizeof (int32_t) > native->n_end) | |
2754 | return (EFAULT); | |
2755 | bcopy(native->n_curr, &decode_len, sizeof (int32_t)); | |
2756 | ||
2757 | /* sanity check the size value */ | |
2758 | if (decode_len < 0 || | |
2759 | decode_len > native->n_end - native->n_curr) | |
2760 | return (EFAULT); | |
2761 | ||
2762 | *size = decode_len; | |
2763 | ||
2764 | /* | |
2765 | * If at the end of the stream then move the cursor | |
2766 | * forward, otherwise nvpair_native_op() will read | |
2767 | * the entire nvpair at the same cursor position. | |
2768 | */ | |
2769 | if (*size == 0) | |
2770 | native->n_curr += sizeof (int32_t); | |
2771 | break; | |
2772 | } | |
2773 | ||
2774 | default: | |
2775 | return (EINVAL); | |
2776 | } | |
2777 | ||
2778 | return (0); | |
2779 | } | |
2780 | ||
2781 | static const nvs_ops_t nvs_native_ops = { | |
2782 | nvs_native_nvlist, | |
2783 | nvs_native_nvpair, | |
2784 | nvs_native_nvp_op, | |
2785 | nvs_native_nvp_size, | |
2786 | nvs_native_nvl_fini | |
2787 | }; | |
2788 | ||
2789 | static int | |
2790 | nvs_native(nvstream_t *nvs, nvlist_t *nvl, char *buf, size_t *buflen) | |
2791 | { | |
2792 | nvs_native_t native; | |
2793 | int err; | |
2794 | ||
2795 | nvs->nvs_ops = &nvs_native_ops; | |
2796 | ||
2797 | if ((err = nvs_native_create(nvs, &native, buf + sizeof (nvs_header_t), | |
2798 | *buflen - sizeof (nvs_header_t))) != 0) | |
2799 | return (err); | |
2800 | ||
2801 | err = nvs_operation(nvs, nvl, buflen); | |
2802 | ||
2803 | nvs_native_destroy(nvs); | |
2804 | ||
2805 | return (err); | |
2806 | } | |
2807 | ||
2808 | /* | |
2809 | * XDR encoding functions | |
2810 | * | |
2811 | * An xdr packed nvlist is encoded as: | |
2812 | * | |
2813 | * - encoding methode and host endian (4 bytes) | |
2814 | * - nvl_version (4 bytes) | |
2815 | * - nvl_nvflag (4 bytes) | |
2816 | * | |
2817 | * - encoded nvpairs, the format of one xdr encoded nvpair is: | |
2818 | * - encoded size of the nvpair (4 bytes) | |
2819 | * - decoded size of the nvpair (4 bytes) | |
2820 | * - name string, (4 + sizeof(NV_ALIGN4(string)) | |
2821 | * a string is coded as size (4 bytes) and data | |
2822 | * - data type (4 bytes) | |
2823 | * - number of elements in the nvpair (4 bytes) | |
2824 | * - data | |
2825 | * | |
2826 | * - 2 zero's for end of the entire list (8 bytes) | |
2827 | */ | |
2828 | static int | |
2829 | nvs_xdr_create(nvstream_t *nvs, XDR *xdr, char *buf, size_t buflen) | |
2830 | { | |
2831 | /* xdr data must be 4 byte aligned */ | |
2832 | if ((ulong_t)buf % 4 != 0) | |
2833 | return (EFAULT); | |
2834 | ||
2835 | switch (nvs->nvs_op) { | |
2836 | case NVS_OP_ENCODE: | |
2837 | xdrmem_create(xdr, buf, (uint_t)buflen, XDR_ENCODE); | |
2838 | nvs->nvs_private = xdr; | |
2839 | return (0); | |
2840 | case NVS_OP_DECODE: | |
2841 | xdrmem_create(xdr, buf, (uint_t)buflen, XDR_DECODE); | |
2842 | nvs->nvs_private = xdr; | |
2843 | return (0); | |
2844 | case NVS_OP_GETSIZE: | |
2845 | nvs->nvs_private = NULL; | |
2846 | return (0); | |
2847 | default: | |
2848 | return (EINVAL); | |
2849 | } | |
2850 | } | |
2851 | ||
2852 | static void | |
2853 | nvs_xdr_destroy(nvstream_t *nvs) | |
2854 | { | |
2855 | switch (nvs->nvs_op) { | |
2856 | case NVS_OP_ENCODE: | |
2857 | case NVS_OP_DECODE: | |
2858 | xdr_destroy((XDR *)nvs->nvs_private); | |
2859 | break; | |
2860 | default: | |
2861 | break; | |
2862 | } | |
2863 | } | |
2864 | ||
2865 | static int | |
2866 | nvs_xdr_nvlist(nvstream_t *nvs, nvlist_t *nvl, size_t *size) | |
2867 | { | |
2868 | switch (nvs->nvs_op) { | |
2869 | case NVS_OP_ENCODE: | |
2870 | case NVS_OP_DECODE: { | |
2871 | XDR *xdr = nvs->nvs_private; | |
2872 | ||
2873 | if (!xdr_int(xdr, &nvl->nvl_version) || | |
2874 | !xdr_u_int(xdr, &nvl->nvl_nvflag)) | |
2875 | return (EFAULT); | |
2876 | break; | |
2877 | } | |
2878 | case NVS_OP_GETSIZE: { | |
2879 | /* | |
2880 | * 2 * 4 for nvl_version + nvl_nvflag | |
2881 | * and 8 for end of the entire list | |
2882 | */ | |
2883 | *size += 2 * 4 + 8; | |
2884 | break; | |
2885 | } | |
2886 | default: | |
2887 | return (EINVAL); | |
2888 | } | |
2889 | return (0); | |
2890 | } | |
2891 | ||
2892 | static int | |
2893 | nvs_xdr_nvl_fini(nvstream_t *nvs) | |
2894 | { | |
2895 | if (nvs->nvs_op == NVS_OP_ENCODE) { | |
2896 | XDR *xdr = nvs->nvs_private; | |
2897 | int zero = 0; | |
2898 | ||
2899 | if (!xdr_int(xdr, &zero) || !xdr_int(xdr, &zero)) | |
2900 | return (EFAULT); | |
2901 | } | |
2902 | ||
2903 | return (0); | |
2904 | } | |
2905 | ||
2906 | /* | |
2907 | * The format of xdr encoded nvpair is: | |
2908 | * encode_size, decode_size, name string, data type, nelem, data | |
2909 | */ | |
2910 | static int | |
2911 | nvs_xdr_nvp_op(nvstream_t *nvs, nvpair_t *nvp) | |
2912 | { | |
2913 | data_type_t type; | |
2914 | char *buf; | |
2915 | char *buf_end = (char *)nvp + nvp->nvp_size; | |
2916 | int value_sz; | |
2917 | uint_t nelem, buflen; | |
2918 | bool_t ret = FALSE; | |
2919 | XDR *xdr = nvs->nvs_private; | |
2920 | ||
2921 | ASSERT(xdr != NULL && nvp != NULL); | |
2922 | ||
2923 | /* name string */ | |
2924 | if ((buf = NVP_NAME(nvp)) >= buf_end) | |
2925 | return (EFAULT); | |
2926 | buflen = buf_end - buf; | |
2927 | ||
2928 | if (!xdr_string(xdr, &buf, buflen - 1)) | |
2929 | return (EFAULT); | |
2930 | nvp->nvp_name_sz = strlen(buf) + 1; | |
2931 | ||
2932 | /* type and nelem */ | |
2933 | if (!xdr_int(xdr, (int *)&nvp->nvp_type) || | |
2934 | !xdr_int(xdr, &nvp->nvp_value_elem)) | |
2935 | return (EFAULT); | |
2936 | ||
2937 | type = NVP_TYPE(nvp); | |
2938 | nelem = nvp->nvp_value_elem; | |
2939 | ||
2940 | /* | |
2941 | * Verify type and nelem and get the value size. | |
2942 | * In case of data types DATA_TYPE_STRING and DATA_TYPE_STRING_ARRAY | |
2943 | * is the size of the string(s) excluded. | |
2944 | */ | |
2945 | if ((value_sz = i_get_value_size(type, NULL, nelem)) < 0) | |
2946 | return (EFAULT); | |
2947 | ||
2948 | /* if there is no data to extract then return */ | |
2949 | if (nelem == 0) | |
2950 | return (0); | |
2951 | ||
2952 | /* value */ | |
2953 | if ((buf = NVP_VALUE(nvp)) >= buf_end) | |
2954 | return (EFAULT); | |
2955 | buflen = buf_end - buf; | |
2956 | ||
2957 | if (buflen < value_sz) | |
2958 | return (EFAULT); | |
2959 | ||
2960 | switch (type) { | |
2961 | case DATA_TYPE_NVLIST: | |
2962 | if (nvs_embedded(nvs, (void *)buf) == 0) | |
2963 | return (0); | |
2964 | break; | |
2965 | ||
2966 | case DATA_TYPE_NVLIST_ARRAY: | |
2967 | if (nvs_embedded_nvl_array(nvs, nvp, NULL) == 0) | |
2968 | return (0); | |
2969 | break; | |
2970 | ||
2971 | case DATA_TYPE_BOOLEAN: | |
2972 | ret = TRUE; | |
2973 | break; | |
2974 | ||
2975 | case DATA_TYPE_BYTE: | |
2976 | case DATA_TYPE_INT8: | |
2977 | case DATA_TYPE_UINT8: | |
2978 | ret = xdr_char(xdr, buf); | |
2979 | break; | |
2980 | ||
2981 | case DATA_TYPE_INT16: | |
2982 | ret = xdr_short(xdr, (void *)buf); | |
2983 | break; | |
2984 | ||
2985 | case DATA_TYPE_UINT16: | |
2986 | ret = xdr_u_short(xdr, (void *)buf); | |
2987 | break; | |
2988 | ||
2989 | case DATA_TYPE_BOOLEAN_VALUE: | |
2990 | case DATA_TYPE_INT32: | |
2991 | ret = xdr_int(xdr, (void *)buf); | |
2992 | break; | |
2993 | ||
2994 | case DATA_TYPE_UINT32: | |
2995 | ret = xdr_u_int(xdr, (void *)buf); | |
2996 | break; | |
2997 | ||
2998 | case DATA_TYPE_INT64: | |
2999 | ret = xdr_longlong_t(xdr, (void *)buf); | |
3000 | break; | |
3001 | ||
3002 | case DATA_TYPE_UINT64: | |
3003 | ret = xdr_u_longlong_t(xdr, (void *)buf); | |
3004 | break; | |
3005 | ||
3006 | case DATA_TYPE_HRTIME: | |
3007 | /* | |
3008 | * NOTE: must expose the definition of hrtime_t here | |
3009 | */ | |
3010 | ret = xdr_longlong_t(xdr, (void *)buf); | |
3011 | break; | |
b128c09f BB |
3012 | #if !defined(_KERNEL) |
3013 | case DATA_TYPE_DOUBLE: | |
3014 | ret = xdr_double(xdr, (void *)buf); | |
3015 | break; | |
3016 | #endif | |
34dc7c2f BB |
3017 | case DATA_TYPE_STRING: |
3018 | ret = xdr_string(xdr, &buf, buflen - 1); | |
3019 | break; | |
3020 | ||
3021 | case DATA_TYPE_BYTE_ARRAY: | |
3022 | ret = xdr_opaque(xdr, buf, nelem); | |
3023 | break; | |
3024 | ||
3025 | case DATA_TYPE_INT8_ARRAY: | |
3026 | case DATA_TYPE_UINT8_ARRAY: | |
3027 | ret = xdr_array(xdr, &buf, &nelem, buflen, sizeof (int8_t), | |
3028 | (xdrproc_t)xdr_char); | |
3029 | break; | |
3030 | ||
3031 | case DATA_TYPE_INT16_ARRAY: | |
3032 | ret = xdr_array(xdr, &buf, &nelem, buflen / sizeof (int16_t), | |
3033 | sizeof (int16_t), (xdrproc_t)xdr_short); | |
3034 | break; | |
3035 | ||
3036 | case DATA_TYPE_UINT16_ARRAY: | |
3037 | ret = xdr_array(xdr, &buf, &nelem, buflen / sizeof (uint16_t), | |
3038 | sizeof (uint16_t), (xdrproc_t)xdr_u_short); | |
3039 | break; | |
3040 | ||
3041 | case DATA_TYPE_BOOLEAN_ARRAY: | |
3042 | case DATA_TYPE_INT32_ARRAY: | |
3043 | ret = xdr_array(xdr, &buf, &nelem, buflen / sizeof (int32_t), | |
3044 | sizeof (int32_t), (xdrproc_t)xdr_int); | |
3045 | break; | |
3046 | ||
3047 | case DATA_TYPE_UINT32_ARRAY: | |
3048 | ret = xdr_array(xdr, &buf, &nelem, buflen / sizeof (uint32_t), | |
3049 | sizeof (uint32_t), (xdrproc_t)xdr_u_int); | |
3050 | break; | |
3051 | ||
3052 | case DATA_TYPE_INT64_ARRAY: | |
3053 | ret = xdr_array(xdr, &buf, &nelem, buflen / sizeof (int64_t), | |
3054 | sizeof (int64_t), (xdrproc_t)xdr_longlong_t); | |
3055 | break; | |
3056 | ||
3057 | case DATA_TYPE_UINT64_ARRAY: | |
3058 | ret = xdr_array(xdr, &buf, &nelem, buflen / sizeof (uint64_t), | |
3059 | sizeof (uint64_t), (xdrproc_t)xdr_u_longlong_t); | |
3060 | break; | |
3061 | ||
3062 | case DATA_TYPE_STRING_ARRAY: { | |
3063 | size_t len = nelem * sizeof (uint64_t); | |
3064 | char **strp = (void *)buf; | |
3065 | int i; | |
3066 | ||
3067 | if (nvs->nvs_op == NVS_OP_DECODE) | |
3068 | bzero(buf, len); /* don't trust packed data */ | |
3069 | ||
3070 | for (i = 0; i < nelem; i++) { | |
3071 | if (buflen <= len) | |
3072 | return (EFAULT); | |
3073 | ||
3074 | buf += len; | |
3075 | buflen -= len; | |
3076 | ||
3077 | if (xdr_string(xdr, &buf, buflen - 1) != TRUE) | |
3078 | return (EFAULT); | |
3079 | ||
3080 | if (nvs->nvs_op == NVS_OP_DECODE) | |
3081 | strp[i] = buf; | |
3082 | len = strlen(buf) + 1; | |
3083 | } | |
3084 | ret = TRUE; | |
3085 | break; | |
3086 | } | |
3087 | default: | |
3088 | break; | |
3089 | } | |
3090 | ||
3091 | return (ret == TRUE ? 0 : EFAULT); | |
3092 | } | |
3093 | ||
3094 | static int | |
3095 | nvs_xdr_nvp_size(nvstream_t *nvs, nvpair_t *nvp, size_t *size) | |
3096 | { | |
3097 | data_type_t type = NVP_TYPE(nvp); | |
3098 | /* | |
3099 | * encode_size + decode_size + name string size + data type + nelem | |
3100 | * where name string size = 4 + NV_ALIGN4(strlen(NVP_NAME(nvp))) | |
3101 | */ | |
3102 | uint64_t nvp_sz = 4 + 4 + 4 + NV_ALIGN4(strlen(NVP_NAME(nvp))) + 4 + 4; | |
3103 | ||
3104 | switch (type) { | |
3105 | case DATA_TYPE_BOOLEAN: | |
3106 | break; | |
3107 | ||
3108 | case DATA_TYPE_BOOLEAN_VALUE: | |
3109 | case DATA_TYPE_BYTE: | |
3110 | case DATA_TYPE_INT8: | |
3111 | case DATA_TYPE_UINT8: | |
3112 | case DATA_TYPE_INT16: | |
3113 | case DATA_TYPE_UINT16: | |
3114 | case DATA_TYPE_INT32: | |
3115 | case DATA_TYPE_UINT32: | |
3116 | nvp_sz += 4; /* 4 is the minimum xdr unit */ | |
3117 | break; | |
3118 | ||
3119 | case DATA_TYPE_INT64: | |
3120 | case DATA_TYPE_UINT64: | |
3121 | case DATA_TYPE_HRTIME: | |
b128c09f BB |
3122 | #if !defined(_KERNEL) |
3123 | case DATA_TYPE_DOUBLE: | |
3124 | #endif | |
34dc7c2f BB |
3125 | nvp_sz += 8; |
3126 | break; | |
3127 | ||
3128 | case DATA_TYPE_STRING: | |
3129 | nvp_sz += 4 + NV_ALIGN4(strlen((char *)NVP_VALUE(nvp))); | |
3130 | break; | |
3131 | ||
3132 | case DATA_TYPE_BYTE_ARRAY: | |
3133 | nvp_sz += NV_ALIGN4(NVP_NELEM(nvp)); | |
3134 | break; | |
3135 | ||
3136 | case DATA_TYPE_BOOLEAN_ARRAY: | |
3137 | case DATA_TYPE_INT8_ARRAY: | |
3138 | case DATA_TYPE_UINT8_ARRAY: | |
3139 | case DATA_TYPE_INT16_ARRAY: | |
3140 | case DATA_TYPE_UINT16_ARRAY: | |
3141 | case DATA_TYPE_INT32_ARRAY: | |
3142 | case DATA_TYPE_UINT32_ARRAY: | |
3143 | nvp_sz += 4 + 4 * (uint64_t)NVP_NELEM(nvp); | |
3144 | break; | |
3145 | ||
3146 | case DATA_TYPE_INT64_ARRAY: | |
3147 | case DATA_TYPE_UINT64_ARRAY: | |
3148 | nvp_sz += 4 + 8 * (uint64_t)NVP_NELEM(nvp); | |
3149 | break; | |
3150 | ||
3151 | case DATA_TYPE_STRING_ARRAY: { | |
3152 | int i; | |
3153 | char **strs = (void *)NVP_VALUE(nvp); | |
3154 | ||
3155 | for (i = 0; i < NVP_NELEM(nvp); i++) | |
3156 | nvp_sz += 4 + NV_ALIGN4(strlen(strs[i])); | |
3157 | ||
3158 | break; | |
3159 | } | |
3160 | ||
3161 | case DATA_TYPE_NVLIST: | |
3162 | case DATA_TYPE_NVLIST_ARRAY: { | |
3163 | size_t nvsize = 0; | |
3164 | int old_nvs_op = nvs->nvs_op; | |
3165 | int err; | |
3166 | ||
3167 | nvs->nvs_op = NVS_OP_GETSIZE; | |
3168 | if (type == DATA_TYPE_NVLIST) | |
3169 | err = nvs_operation(nvs, EMBEDDED_NVL(nvp), &nvsize); | |
3170 | else | |
3171 | err = nvs_embedded_nvl_array(nvs, nvp, &nvsize); | |
3172 | nvs->nvs_op = old_nvs_op; | |
3173 | ||
3174 | if (err != 0) | |
3175 | return (EINVAL); | |
3176 | ||
3177 | nvp_sz += nvsize; | |
3178 | break; | |
3179 | } | |
3180 | ||
3181 | default: | |
3182 | return (EINVAL); | |
3183 | } | |
3184 | ||
3185 | if (nvp_sz > INT32_MAX) | |
3186 | return (EINVAL); | |
3187 | ||
3188 | *size = nvp_sz; | |
3189 | ||
3190 | return (0); | |
3191 | } | |
3192 | ||
3193 | ||
3194 | /* | |
3195 | * The NVS_XDR_MAX_LEN macro takes a packed xdr buffer of size x and estimates | |
3196 | * the largest nvpair that could be encoded in the buffer. | |
3197 | * | |
3198 | * See comments above nvpair_xdr_op() for the format of xdr encoding. | |
3199 | * The size of a xdr packed nvpair without any data is 5 words. | |
3200 | * | |
3201 | * Using the size of the data directly as an estimate would be ok | |
3202 | * in all cases except one. If the data type is of DATA_TYPE_STRING_ARRAY | |
3203 | * then the actual nvpair has space for an array of pointers to index | |
3204 | * the strings. These pointers are not encoded into the packed xdr buffer. | |
3205 | * | |
3206 | * If the data is of type DATA_TYPE_STRING_ARRAY and all the strings are | |
3207 | * of length 0, then each string is endcoded in xdr format as a single word. | |
3208 | * Therefore when expanded to an nvpair there will be 2.25 word used for | |
3209 | * each string. (a int64_t allocated for pointer usage, and a single char | |
3210 | * for the null termination.) | |
3211 | * | |
3212 | * This is the calculation performed by the NVS_XDR_MAX_LEN macro. | |
3213 | */ | |
3214 | #define NVS_XDR_HDR_LEN ((size_t)(5 * 4)) | |
3215 | #define NVS_XDR_DATA_LEN(y) (((size_t)(y) <= NVS_XDR_HDR_LEN) ? \ | |
3216 | 0 : ((size_t)(y) - NVS_XDR_HDR_LEN)) | |
3217 | #define NVS_XDR_MAX_LEN(x) (NVP_SIZE_CALC(1, 0) + \ | |
3218 | (NVS_XDR_DATA_LEN(x) * 2) + \ | |
3219 | NV_ALIGN4((NVS_XDR_DATA_LEN(x) / 4))) | |
3220 | ||
3221 | static int | |
3222 | nvs_xdr_nvpair(nvstream_t *nvs, nvpair_t *nvp, size_t *size) | |
3223 | { | |
3224 | XDR *xdr = nvs->nvs_private; | |
3225 | int32_t encode_len, decode_len; | |
3226 | ||
3227 | switch (nvs->nvs_op) { | |
3228 | case NVS_OP_ENCODE: { | |
3229 | size_t nvsize; | |
3230 | ||
3231 | if (nvs_xdr_nvp_size(nvs, nvp, &nvsize) != 0) | |
3232 | return (EFAULT); | |
3233 | ||
3234 | decode_len = nvp->nvp_size; | |
3235 | encode_len = nvsize; | |
3236 | if (!xdr_int(xdr, &encode_len) || !xdr_int(xdr, &decode_len)) | |
3237 | return (EFAULT); | |
3238 | ||
3239 | return (nvs_xdr_nvp_op(nvs, nvp)); | |
3240 | } | |
3241 | case NVS_OP_DECODE: { | |
3242 | struct xdr_bytesrec bytesrec; | |
3243 | ||
3244 | /* get the encode and decode size */ | |
3245 | if (!xdr_int(xdr, &encode_len) || !xdr_int(xdr, &decode_len)) | |
3246 | return (EFAULT); | |
3247 | *size = decode_len; | |
3248 | ||
3249 | /* are we at the end of the stream? */ | |
3250 | if (*size == 0) | |
3251 | return (0); | |
3252 | ||
3253 | /* sanity check the size parameter */ | |
3254 | if (!xdr_control(xdr, XDR_GET_BYTES_AVAIL, &bytesrec)) | |
3255 | return (EFAULT); | |
3256 | ||
3257 | if (*size > NVS_XDR_MAX_LEN(bytesrec.xc_num_avail)) | |
3258 | return (EFAULT); | |
3259 | break; | |
3260 | } | |
3261 | ||
3262 | default: | |
3263 | return (EINVAL); | |
3264 | } | |
3265 | return (0); | |
3266 | } | |
3267 | ||
3268 | static const struct nvs_ops nvs_xdr_ops = { | |
3269 | nvs_xdr_nvlist, | |
3270 | nvs_xdr_nvpair, | |
3271 | nvs_xdr_nvp_op, | |
3272 | nvs_xdr_nvp_size, | |
3273 | nvs_xdr_nvl_fini | |
3274 | }; | |
3275 | ||
3276 | static int | |
3277 | nvs_xdr(nvstream_t *nvs, nvlist_t *nvl, char *buf, size_t *buflen) | |
3278 | { | |
3279 | XDR xdr; | |
3280 | int err; | |
3281 | ||
3282 | nvs->nvs_ops = &nvs_xdr_ops; | |
3283 | ||
3284 | if ((err = nvs_xdr_create(nvs, &xdr, buf + sizeof (nvs_header_t), | |
3285 | *buflen - sizeof (nvs_header_t))) != 0) | |
3286 | return (err); | |
3287 | ||
3288 | err = nvs_operation(nvs, nvl, buflen); | |
3289 | ||
3290 | nvs_xdr_destroy(nvs); | |
3291 | ||
3292 | return (err); | |
3293 | } | |
c28b2279 BB |
3294 | |
3295 | #if defined(_KERNEL) && defined(HAVE_SPL) | |
b4f3666a BB |
3296 | static int __init |
3297 | nvpair_init(void) | |
3298 | { | |
3299 | return (0); | |
3300 | } | |
c28b2279 | 3301 | |
b4f3666a BB |
3302 | static void __exit |
3303 | nvpair_fini(void) | |
3304 | { | |
3305 | } | |
c28b2279 | 3306 | |
b4f3666a BB |
3307 | module_init(nvpair_init); |
3308 | module_exit(nvpair_fini); | |
c28b2279 BB |
3309 | |
3310 | MODULE_DESCRIPTION("Generic name/value pair implementation"); | |
3311 | MODULE_AUTHOR(ZFS_META_AUTHOR); | |
3312 | MODULE_LICENSE(ZFS_META_LICENSE); | |
99e349db | 3313 | MODULE_VERSION(ZFS_META_VERSION "-" ZFS_META_RELEASE); |
c28b2279 BB |
3314 | |
3315 | EXPORT_SYMBOL(nv_alloc_init); | |
3316 | EXPORT_SYMBOL(nv_alloc_reset); | |
3317 | EXPORT_SYMBOL(nv_alloc_fini); | |
3318 | ||
3319 | /* list management */ | |
3320 | EXPORT_SYMBOL(nvlist_alloc); | |
3321 | EXPORT_SYMBOL(nvlist_free); | |
3322 | EXPORT_SYMBOL(nvlist_size); | |
3323 | EXPORT_SYMBOL(nvlist_pack); | |
3324 | EXPORT_SYMBOL(nvlist_unpack); | |
3325 | EXPORT_SYMBOL(nvlist_dup); | |
3326 | EXPORT_SYMBOL(nvlist_merge); | |
3327 | ||
3328 | EXPORT_SYMBOL(nvlist_xalloc); | |
3329 | EXPORT_SYMBOL(nvlist_xpack); | |
3330 | EXPORT_SYMBOL(nvlist_xunpack); | |
3331 | EXPORT_SYMBOL(nvlist_xdup); | |
3332 | EXPORT_SYMBOL(nvlist_lookup_nv_alloc); | |
3333 | ||
3334 | EXPORT_SYMBOL(nvlist_add_nvpair); | |
3335 | EXPORT_SYMBOL(nvlist_add_boolean); | |
3336 | EXPORT_SYMBOL(nvlist_add_boolean_value); | |
3337 | EXPORT_SYMBOL(nvlist_add_byte); | |
3338 | EXPORT_SYMBOL(nvlist_add_int8); | |
3339 | EXPORT_SYMBOL(nvlist_add_uint8); | |
3340 | EXPORT_SYMBOL(nvlist_add_int16); | |
3341 | EXPORT_SYMBOL(nvlist_add_uint16); | |
3342 | EXPORT_SYMBOL(nvlist_add_int32); | |
3343 | EXPORT_SYMBOL(nvlist_add_uint32); | |
3344 | EXPORT_SYMBOL(nvlist_add_int64); | |
3345 | EXPORT_SYMBOL(nvlist_add_uint64); | |
3346 | EXPORT_SYMBOL(nvlist_add_string); | |
3347 | EXPORT_SYMBOL(nvlist_add_nvlist); | |
3348 | EXPORT_SYMBOL(nvlist_add_boolean_array); | |
3349 | EXPORT_SYMBOL(nvlist_add_byte_array); | |
3350 | EXPORT_SYMBOL(nvlist_add_int8_array); | |
3351 | EXPORT_SYMBOL(nvlist_add_uint8_array); | |
3352 | EXPORT_SYMBOL(nvlist_add_int16_array); | |
3353 | EXPORT_SYMBOL(nvlist_add_uint16_array); | |
3354 | EXPORT_SYMBOL(nvlist_add_int32_array); | |
3355 | EXPORT_SYMBOL(nvlist_add_uint32_array); | |
3356 | EXPORT_SYMBOL(nvlist_add_int64_array); | |
3357 | EXPORT_SYMBOL(nvlist_add_uint64_array); | |
3358 | EXPORT_SYMBOL(nvlist_add_string_array); | |
3359 | EXPORT_SYMBOL(nvlist_add_nvlist_array); | |
3360 | EXPORT_SYMBOL(nvlist_next_nvpair); | |
3361 | EXPORT_SYMBOL(nvlist_prev_nvpair); | |
3362 | EXPORT_SYMBOL(nvlist_empty); | |
3363 | EXPORT_SYMBOL(nvlist_add_hrtime); | |
3364 | ||
3365 | EXPORT_SYMBOL(nvlist_remove); | |
3366 | EXPORT_SYMBOL(nvlist_remove_nvpair); | |
3367 | EXPORT_SYMBOL(nvlist_remove_all); | |
3368 | ||
3369 | EXPORT_SYMBOL(nvlist_lookup_boolean); | |
3370 | EXPORT_SYMBOL(nvlist_lookup_boolean_value); | |
3371 | EXPORT_SYMBOL(nvlist_lookup_byte); | |
3372 | EXPORT_SYMBOL(nvlist_lookup_int8); | |
3373 | EXPORT_SYMBOL(nvlist_lookup_uint8); | |
3374 | EXPORT_SYMBOL(nvlist_lookup_int16); | |
3375 | EXPORT_SYMBOL(nvlist_lookup_uint16); | |
3376 | EXPORT_SYMBOL(nvlist_lookup_int32); | |
3377 | EXPORT_SYMBOL(nvlist_lookup_uint32); | |
3378 | EXPORT_SYMBOL(nvlist_lookup_int64); | |
3379 | EXPORT_SYMBOL(nvlist_lookup_uint64); | |
3380 | EXPORT_SYMBOL(nvlist_lookup_string); | |
3381 | EXPORT_SYMBOL(nvlist_lookup_nvlist); | |
3382 | EXPORT_SYMBOL(nvlist_lookup_boolean_array); | |
3383 | EXPORT_SYMBOL(nvlist_lookup_byte_array); | |
3384 | EXPORT_SYMBOL(nvlist_lookup_int8_array); | |
3385 | EXPORT_SYMBOL(nvlist_lookup_uint8_array); | |
3386 | EXPORT_SYMBOL(nvlist_lookup_int16_array); | |
3387 | EXPORT_SYMBOL(nvlist_lookup_uint16_array); | |
3388 | EXPORT_SYMBOL(nvlist_lookup_int32_array); | |
3389 | EXPORT_SYMBOL(nvlist_lookup_uint32_array); | |
3390 | EXPORT_SYMBOL(nvlist_lookup_int64_array); | |
3391 | EXPORT_SYMBOL(nvlist_lookup_uint64_array); | |
3392 | EXPORT_SYMBOL(nvlist_lookup_string_array); | |
3393 | EXPORT_SYMBOL(nvlist_lookup_nvlist_array); | |
3394 | EXPORT_SYMBOL(nvlist_lookup_hrtime); | |
3395 | EXPORT_SYMBOL(nvlist_lookup_pairs); | |
3396 | ||
3397 | EXPORT_SYMBOL(nvlist_lookup_nvpair); | |
3398 | EXPORT_SYMBOL(nvlist_exists); | |
3399 | ||
3400 | /* processing nvpair */ | |
3401 | EXPORT_SYMBOL(nvpair_name); | |
3402 | EXPORT_SYMBOL(nvpair_type); | |
3403 | EXPORT_SYMBOL(nvpair_value_boolean_value); | |
3404 | EXPORT_SYMBOL(nvpair_value_byte); | |
3405 | EXPORT_SYMBOL(nvpair_value_int8); | |
3406 | EXPORT_SYMBOL(nvpair_value_uint8); | |
3407 | EXPORT_SYMBOL(nvpair_value_int16); | |
3408 | EXPORT_SYMBOL(nvpair_value_uint16); | |
3409 | EXPORT_SYMBOL(nvpair_value_int32); | |
3410 | EXPORT_SYMBOL(nvpair_value_uint32); | |
3411 | EXPORT_SYMBOL(nvpair_value_int64); | |
3412 | EXPORT_SYMBOL(nvpair_value_uint64); | |
3413 | EXPORT_SYMBOL(nvpair_value_string); | |
3414 | EXPORT_SYMBOL(nvpair_value_nvlist); | |
3415 | EXPORT_SYMBOL(nvpair_value_boolean_array); | |
3416 | EXPORT_SYMBOL(nvpair_value_byte_array); | |
3417 | EXPORT_SYMBOL(nvpair_value_int8_array); | |
3418 | EXPORT_SYMBOL(nvpair_value_uint8_array); | |
3419 | EXPORT_SYMBOL(nvpair_value_int16_array); | |
3420 | EXPORT_SYMBOL(nvpair_value_uint16_array); | |
3421 | EXPORT_SYMBOL(nvpair_value_int32_array); | |
3422 | EXPORT_SYMBOL(nvpair_value_uint32_array); | |
3423 | EXPORT_SYMBOL(nvpair_value_int64_array); | |
3424 | EXPORT_SYMBOL(nvpair_value_uint64_array); | |
3425 | EXPORT_SYMBOL(nvpair_value_string_array); | |
3426 | EXPORT_SYMBOL(nvpair_value_nvlist_array); | |
3427 | EXPORT_SYMBOL(nvpair_value_hrtime); | |
3428 | ||
3429 | #endif |