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.
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.
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]
23 * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright (c) 2015, 2017 by Delphix. All rights reserved.
27 #include <sys/stropts.h>
28 #include <sys/debug.h>
29 #include <sys/isa_defs.h>
30 #include <sys/int_limits.h>
31 #include <sys/nvpair.h>
32 #include <sys/nvpair_impl.h>
33 #include <rpc/types.h>
36 #if defined(_KERNEL) && !defined(_BOOT)
37 #include <sys/varargs.h>
39 #include <sys/sunddi.h>
40 #include <sys/sysmacros.h>
49 #define skip_whitespace(p) while ((*(p) == ' ') || (*(p) == '\t')) p++
52 * nvpair.c - Provides kernel & userland interfaces for manipulating
67 * +--------------+ last i_nvp in list
68 * | nvpriv_t | +--------------------->
70 * +--+- nvp_list | | +------------+
71 * | | nvp_last -+--+ + nv_alloc_t |
72 * | | nvp_curr | |------------|
73 * | | nvp_nva -+----> | nva_ops |
74 * | | nvp_stat | | nva_arg |
75 * | +--------------+ +------------+
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 * +---------------------+ +-------------------+
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 * | +--------------+ |
110 * | |--------------| |
111 * | | nvl_version | |
113 * | | nvl_priv --+---+---->
116 * | +--------------+ |
117 * +---------------------+
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
123 * name_len is the length of the name string including the null terminator
126 #define NVP_SIZE_CALC(name_len, data_len) \
127 (NV_ALIGN((sizeof (nvpair_t)) + name_len) + NV_ALIGN(data_len))
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
);
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))
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)))
142 int nvpair_max_recursion
= 20;
144 int nvpair_max_recursion
= 100;
148 nv_alloc_init(nv_alloc_t
*nva
, const nv_alloc_ops_t
*nvo
, /* args */ ...)
156 va_start(valist
, nvo
);
157 if (nva
->nva_ops
->nv_ao_init
!= NULL
)
158 err
= nva
->nva_ops
->nv_ao_init(nva
, valist
);
165 nv_alloc_reset(nv_alloc_t
*nva
)
167 if (nva
->nva_ops
->nv_ao_reset
!= NULL
)
168 nva
->nva_ops
->nv_ao_reset(nva
);
172 nv_alloc_fini(nv_alloc_t
*nva
)
174 if (nva
->nva_ops
->nv_ao_fini
!= NULL
)
175 nva
->nva_ops
->nv_ao_fini(nva
);
179 nvlist_lookup_nv_alloc(nvlist_t
*nvl
)
184 (priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
) == NULL
)
187 return (priv
->nvp_nva
);
191 nv_mem_zalloc(nvpriv_t
*nvp
, size_t size
)
193 nv_alloc_t
*nva
= nvp
->nvp_nva
;
196 if ((buf
= nva
->nva_ops
->nv_ao_alloc(nva
, size
)) != NULL
)
203 nv_mem_free(nvpriv_t
*nvp
, void *buf
, size_t size
)
205 nv_alloc_t
*nva
= nvp
->nvp_nva
;
207 nva
->nva_ops
->nv_ao_free(nva
, buf
, size
);
211 nv_priv_init(nvpriv_t
*priv
, nv_alloc_t
*nva
, uint32_t stat
)
213 bzero(priv
, sizeof (nvpriv_t
));
216 priv
->nvp_stat
= stat
;
220 nv_priv_alloc(nv_alloc_t
*nva
)
225 * nv_mem_alloc() cannot called here because it needs the priv
228 if ((priv
= nva
->nva_ops
->nv_ao_alloc(nva
, sizeof (nvpriv_t
))) == NULL
)
231 nv_priv_init(priv
, nva
, 0);
237 * Embedded lists need their own nvpriv_t's. We create a new
238 * nvpriv_t using the parameters and allocator from the parent
242 nv_priv_alloc_embedded(nvpriv_t
*priv
)
246 if ((emb_priv
= nv_mem_zalloc(priv
, sizeof (nvpriv_t
))) == NULL
)
249 nv_priv_init(emb_priv
, priv
->nvp_nva
, NV_STAT_EMBEDDED
);
255 nvlist_init(nvlist_t
*nvl
, uint32_t nvflag
, nvpriv_t
*priv
)
257 nvl
->nvl_version
= NV_VERSION
;
258 nvl
->nvl_nvflag
= nvflag
& (NV_UNIQUE_NAME
|NV_UNIQUE_NAME_TYPE
);
259 nvl
->nvl_priv
= (uint64_t)(uintptr_t)priv
;
265 nvlist_nvflag(nvlist_t
*nvl
)
267 return (nvl
->nvl_nvflag
);
271 nvlist_nv_alloc(int kmflag
)
273 #if defined(_KERNEL) && !defined(_BOOT)
276 return (nv_alloc_sleep
);
278 return (nv_alloc_pushpage
);
280 return (nv_alloc_nosleep
);
283 return (nv_alloc_nosleep
);
284 #endif /* _KERNEL && !_BOOT */
288 * nvlist_alloc - Allocate nvlist.
291 nvlist_alloc(nvlist_t
**nvlp
, uint_t nvflag
, int kmflag
)
293 return (nvlist_xalloc(nvlp
, nvflag
, nvlist_nv_alloc(kmflag
)));
297 nvlist_xalloc(nvlist_t
**nvlp
, uint_t nvflag
, nv_alloc_t
*nva
)
301 if (nvlp
== NULL
|| nva
== NULL
)
304 if ((priv
= nv_priv_alloc(nva
)) == NULL
)
307 if ((*nvlp
= nv_mem_zalloc(priv
,
308 NV_ALIGN(sizeof (nvlist_t
)))) == NULL
) {
309 nv_mem_free(priv
, priv
, sizeof (nvpriv_t
));
313 nvlist_init(*nvlp
, nvflag
, priv
);
319 * nvp_buf_alloc - Allocate i_nvp_t for storing a new nv pair.
322 nvp_buf_alloc(nvlist_t
*nvl
, size_t len
)
324 nvpriv_t
*priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
;
330 * Allocate the buffer
332 nvsize
= len
+ offsetof(i_nvp_t
, nvi_nvp
);
334 if ((buf
= nv_mem_zalloc(priv
, nvsize
)) == NULL
)
344 * nvp_buf_free - de-Allocate an i_nvp_t.
347 nvp_buf_free(nvlist_t
*nvl
, nvpair_t
*nvp
)
349 nvpriv_t
*priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
;
350 size_t nvsize
= nvp
->nvp_size
+ offsetof(i_nvp_t
, nvi_nvp
);
352 nv_mem_free(priv
, NVPAIR2I_NVP(nvp
), nvsize
);
356 * nvp_buf_link - link a new nv pair into the nvlist.
359 nvp_buf_link(nvlist_t
*nvl
, nvpair_t
*nvp
)
361 nvpriv_t
*priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
;
362 i_nvp_t
*curr
= NVPAIR2I_NVP(nvp
);
364 /* Put element at end of nvlist */
365 if (priv
->nvp_list
== NULL
) {
366 priv
->nvp_list
= priv
->nvp_last
= curr
;
368 curr
->nvi_prev
= priv
->nvp_last
;
369 priv
->nvp_last
->nvi_next
= curr
;
370 priv
->nvp_last
= curr
;
375 * nvp_buf_unlink - unlink an removed nvpair out of the nvlist.
378 nvp_buf_unlink(nvlist_t
*nvl
, nvpair_t
*nvp
)
380 nvpriv_t
*priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
;
381 i_nvp_t
*curr
= NVPAIR2I_NVP(nvp
);
384 * protect nvlist_next_nvpair() against walking on freed memory.
386 if (priv
->nvp_curr
== curr
)
387 priv
->nvp_curr
= curr
->nvi_next
;
389 if (curr
== priv
->nvp_list
)
390 priv
->nvp_list
= curr
->nvi_next
;
392 curr
->nvi_prev
->nvi_next
= curr
->nvi_next
;
394 if (curr
== priv
->nvp_last
)
395 priv
->nvp_last
= curr
->nvi_prev
;
397 curr
->nvi_next
->nvi_prev
= curr
->nvi_prev
;
401 * take a nvpair type and number of elements and make sure the are valid
404 i_validate_type_nelem(data_type_t type
, uint_t nelem
)
407 case DATA_TYPE_BOOLEAN
:
411 case DATA_TYPE_BOOLEAN_VALUE
:
414 case DATA_TYPE_UINT8
:
415 case DATA_TYPE_INT16
:
416 case DATA_TYPE_UINT16
:
417 case DATA_TYPE_INT32
:
418 case DATA_TYPE_UINT32
:
419 case DATA_TYPE_INT64
:
420 case DATA_TYPE_UINT64
:
421 case DATA_TYPE_STRING
:
422 case DATA_TYPE_HRTIME
:
423 case DATA_TYPE_NVLIST
:
424 #if !defined(_KERNEL)
425 case DATA_TYPE_DOUBLE
:
430 case DATA_TYPE_BOOLEAN_ARRAY
:
431 case DATA_TYPE_BYTE_ARRAY
:
432 case DATA_TYPE_INT8_ARRAY
:
433 case DATA_TYPE_UINT8_ARRAY
:
434 case DATA_TYPE_INT16_ARRAY
:
435 case DATA_TYPE_UINT16_ARRAY
:
436 case DATA_TYPE_INT32_ARRAY
:
437 case DATA_TYPE_UINT32_ARRAY
:
438 case DATA_TYPE_INT64_ARRAY
:
439 case DATA_TYPE_UINT64_ARRAY
:
440 case DATA_TYPE_STRING_ARRAY
:
441 case DATA_TYPE_NVLIST_ARRAY
:
442 /* we allow arrays with 0 elements */
451 * Verify nvp_name_sz and check the name string length.
454 i_validate_nvpair_name(nvpair_t
*nvp
)
456 if ((nvp
->nvp_name_sz
<= 0) ||
457 (nvp
->nvp_size
< NVP_SIZE_CALC(nvp
->nvp_name_sz
, 0)))
460 /* verify the name string, make sure its terminated */
461 if (NVP_NAME(nvp
)[nvp
->nvp_name_sz
- 1] != '\0')
464 return (strlen(NVP_NAME(nvp
)) == nvp
->nvp_name_sz
- 1 ? 0 : EFAULT
);
468 i_validate_nvpair_value(data_type_t type
, uint_t nelem
, const void *data
)
471 case DATA_TYPE_BOOLEAN_VALUE
:
472 if (*(boolean_t
*)data
!= B_TRUE
&&
473 *(boolean_t
*)data
!= B_FALSE
)
476 case DATA_TYPE_BOOLEAN_ARRAY
: {
479 for (i
= 0; i
< nelem
; i
++)
480 if (((boolean_t
*)data
)[i
] != B_TRUE
&&
481 ((boolean_t
*)data
)[i
] != B_FALSE
)
493 * This function takes a pointer to what should be a nvpair and it's size
494 * and then verifies that all the nvpair fields make sense and can be
495 * trusted. This function is used when decoding packed nvpairs.
498 i_validate_nvpair(nvpair_t
*nvp
)
500 data_type_t type
= NVP_TYPE(nvp
);
503 /* verify nvp_name_sz, check the name string length */
504 if (i_validate_nvpair_name(nvp
) != 0)
507 if (i_validate_nvpair_value(type
, NVP_NELEM(nvp
), NVP_VALUE(nvp
)) != 0)
511 * verify nvp_type, nvp_value_elem, and also possibly
512 * verify string values and get the value size.
514 size2
= i_get_value_size(type
, NVP_VALUE(nvp
), NVP_NELEM(nvp
));
515 size1
= nvp
->nvp_size
- NVP_VALOFF(nvp
);
516 if (size2
< 0 || size1
!= NV_ALIGN(size2
))
523 nvlist_copy_pairs(nvlist_t
*snvl
, nvlist_t
*dnvl
)
528 if ((priv
= (nvpriv_t
*)(uintptr_t)snvl
->nvl_priv
) == NULL
)
531 for (curr
= priv
->nvp_list
; curr
!= NULL
; curr
= curr
->nvi_next
) {
532 nvpair_t
*nvp
= &curr
->nvi_nvp
;
535 if ((err
= nvlist_add_common(dnvl
, NVP_NAME(nvp
), NVP_TYPE(nvp
),
536 NVP_NELEM(nvp
), NVP_VALUE(nvp
))) != 0)
544 * Frees all memory allocated for an nvpair (like embedded lists) with
545 * the exception of the nvpair buffer itself.
548 nvpair_free(nvpair_t
*nvp
)
550 switch (NVP_TYPE(nvp
)) {
551 case DATA_TYPE_NVLIST
:
552 nvlist_free(EMBEDDED_NVL(nvp
));
554 case DATA_TYPE_NVLIST_ARRAY
: {
555 nvlist_t
**nvlp
= EMBEDDED_NVL_ARRAY(nvp
);
558 for (i
= 0; i
< NVP_NELEM(nvp
); i
++)
560 nvlist_free(nvlp
[i
]);
569 * nvlist_free - free an unpacked nvlist
572 nvlist_free(nvlist_t
*nvl
)
578 (priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
) == NULL
)
582 * Unpacked nvlist are linked through i_nvp_t
584 curr
= priv
->nvp_list
;
585 while (curr
!= NULL
) {
586 nvpair_t
*nvp
= &curr
->nvi_nvp
;
587 curr
= curr
->nvi_next
;
590 nvp_buf_free(nvl
, nvp
);
593 if (!(priv
->nvp_stat
& NV_STAT_EMBEDDED
))
594 nv_mem_free(priv
, nvl
, NV_ALIGN(sizeof (nvlist_t
)));
598 nv_mem_free(priv
, priv
, sizeof (nvpriv_t
));
602 nvlist_contains_nvp(nvlist_t
*nvl
, nvpair_t
*nvp
)
604 nvpriv_t
*priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
;
610 for (curr
= priv
->nvp_list
; curr
!= NULL
; curr
= curr
->nvi_next
)
611 if (&curr
->nvi_nvp
== nvp
)
618 * Make a copy of nvlist
621 nvlist_dup(nvlist_t
*nvl
, nvlist_t
**nvlp
, int kmflag
)
623 return (nvlist_xdup(nvl
, nvlp
, nvlist_nv_alloc(kmflag
)));
627 nvlist_xdup(nvlist_t
*nvl
, nvlist_t
**nvlp
, nv_alloc_t
*nva
)
632 if (nvl
== NULL
|| nvlp
== NULL
)
635 if ((err
= nvlist_xalloc(&ret
, nvl
->nvl_nvflag
, nva
)) != 0)
638 if ((err
= nvlist_copy_pairs(nvl
, ret
)) != 0)
647 * Remove all with matching name
650 nvlist_remove_all(nvlist_t
*nvl
, const char *name
)
656 if (nvl
== NULL
|| name
== NULL
||
657 (priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
) == NULL
)
660 curr
= priv
->nvp_list
;
661 while (curr
!= NULL
) {
662 nvpair_t
*nvp
= &curr
->nvi_nvp
;
664 curr
= curr
->nvi_next
;
665 if (strcmp(name
, NVP_NAME(nvp
)) != 0)
668 nvp_buf_unlink(nvl
, nvp
);
670 nvp_buf_free(nvl
, nvp
);
679 * Remove first one with matching name and type
682 nvlist_remove(nvlist_t
*nvl
, const char *name
, data_type_t type
)
687 if (nvl
== NULL
|| name
== NULL
||
688 (priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
) == NULL
)
691 curr
= priv
->nvp_list
;
692 while (curr
!= NULL
) {
693 nvpair_t
*nvp
= &curr
->nvi_nvp
;
695 if (strcmp(name
, NVP_NAME(nvp
)) == 0 && NVP_TYPE(nvp
) == type
) {
696 nvp_buf_unlink(nvl
, nvp
);
698 nvp_buf_free(nvl
, nvp
);
702 curr
= curr
->nvi_next
;
709 nvlist_remove_nvpair(nvlist_t
*nvl
, nvpair_t
*nvp
)
711 if (nvl
== NULL
|| nvp
== NULL
)
714 nvp_buf_unlink(nvl
, nvp
);
716 nvp_buf_free(nvl
, nvp
);
721 * This function calculates the size of an nvpair value.
723 * The data argument controls the behavior in case of the data types
724 * DATA_TYPE_STRING and
725 * DATA_TYPE_STRING_ARRAY
726 * Is data == NULL then the size of the string(s) is excluded.
729 i_get_value_size(data_type_t type
, const void *data
, uint_t nelem
)
733 if (i_validate_type_nelem(type
, nelem
) != 0)
736 /* Calculate required size for holding value */
738 case DATA_TYPE_BOOLEAN
:
741 case DATA_TYPE_BOOLEAN_VALUE
:
742 value_sz
= sizeof (boolean_t
);
745 value_sz
= sizeof (uchar_t
);
748 value_sz
= sizeof (int8_t);
750 case DATA_TYPE_UINT8
:
751 value_sz
= sizeof (uint8_t);
753 case DATA_TYPE_INT16
:
754 value_sz
= sizeof (int16_t);
756 case DATA_TYPE_UINT16
:
757 value_sz
= sizeof (uint16_t);
759 case DATA_TYPE_INT32
:
760 value_sz
= sizeof (int32_t);
762 case DATA_TYPE_UINT32
:
763 value_sz
= sizeof (uint32_t);
765 case DATA_TYPE_INT64
:
766 value_sz
= sizeof (int64_t);
768 case DATA_TYPE_UINT64
:
769 value_sz
= sizeof (uint64_t);
771 #if !defined(_KERNEL)
772 case DATA_TYPE_DOUBLE
:
773 value_sz
= sizeof (double);
776 case DATA_TYPE_STRING
:
780 value_sz
= strlen(data
) + 1;
782 case DATA_TYPE_BOOLEAN_ARRAY
:
783 value_sz
= (uint64_t)nelem
* sizeof (boolean_t
);
785 case DATA_TYPE_BYTE_ARRAY
:
786 value_sz
= (uint64_t)nelem
* sizeof (uchar_t
);
788 case DATA_TYPE_INT8_ARRAY
:
789 value_sz
= (uint64_t)nelem
* sizeof (int8_t);
791 case DATA_TYPE_UINT8_ARRAY
:
792 value_sz
= (uint64_t)nelem
* sizeof (uint8_t);
794 case DATA_TYPE_INT16_ARRAY
:
795 value_sz
= (uint64_t)nelem
* sizeof (int16_t);
797 case DATA_TYPE_UINT16_ARRAY
:
798 value_sz
= (uint64_t)nelem
* sizeof (uint16_t);
800 case DATA_TYPE_INT32_ARRAY
:
801 value_sz
= (uint64_t)nelem
* sizeof (int32_t);
803 case DATA_TYPE_UINT32_ARRAY
:
804 value_sz
= (uint64_t)nelem
* sizeof (uint32_t);
806 case DATA_TYPE_INT64_ARRAY
:
807 value_sz
= (uint64_t)nelem
* sizeof (int64_t);
809 case DATA_TYPE_UINT64_ARRAY
:
810 value_sz
= (uint64_t)nelem
* sizeof (uint64_t);
812 case DATA_TYPE_STRING_ARRAY
:
813 value_sz
= (uint64_t)nelem
* sizeof (uint64_t);
816 char *const *strs
= data
;
819 /* no alignment requirement for strings */
820 for (i
= 0; i
< nelem
; i
++) {
823 value_sz
+= strlen(strs
[i
]) + 1;
827 case DATA_TYPE_HRTIME
:
828 value_sz
= sizeof (hrtime_t
);
830 case DATA_TYPE_NVLIST
:
831 value_sz
= NV_ALIGN(sizeof (nvlist_t
));
833 case DATA_TYPE_NVLIST_ARRAY
:
834 value_sz
= (uint64_t)nelem
* sizeof (uint64_t) +
835 (uint64_t)nelem
* NV_ALIGN(sizeof (nvlist_t
));
841 return (value_sz
> INT32_MAX
? -1 : (int)value_sz
);
845 nvlist_copy_embedded(nvlist_t
*nvl
, nvlist_t
*onvl
, nvlist_t
*emb_nvl
)
850 if ((priv
= nv_priv_alloc_embedded((nvpriv_t
*)(uintptr_t)
851 nvl
->nvl_priv
)) == NULL
)
854 nvlist_init(emb_nvl
, onvl
->nvl_nvflag
, priv
);
856 if ((err
= nvlist_copy_pairs(onvl
, emb_nvl
)) != 0) {
857 nvlist_free(emb_nvl
);
858 emb_nvl
->nvl_priv
= 0;
865 * nvlist_add_common - Add new <name,value> pair to nvlist
868 nvlist_add_common(nvlist_t
*nvl
, const char *name
,
869 data_type_t type
, uint_t nelem
, const void *data
)
874 int nvp_sz
, name_sz
, value_sz
;
877 if (name
== NULL
|| nvl
== NULL
|| nvl
->nvl_priv
== 0)
880 if (nelem
!= 0 && data
== NULL
)
884 * Verify type and nelem and get the value size.
885 * In case of data types DATA_TYPE_STRING and DATA_TYPE_STRING_ARRAY
886 * is the size of the string(s) included.
888 if ((value_sz
= i_get_value_size(type
, data
, nelem
)) < 0)
891 if (i_validate_nvpair_value(type
, nelem
, data
) != 0)
895 * If we're adding an nvlist or nvlist array, ensure that we are not
896 * adding the input nvlist to itself, which would cause recursion,
897 * and ensure that no NULL nvlist pointers are present.
900 case DATA_TYPE_NVLIST
:
901 if (data
== nvl
|| data
== NULL
)
904 case DATA_TYPE_NVLIST_ARRAY
: {
905 nvlist_t
**onvlp
= (nvlist_t
**)data
;
906 for (i
= 0; i
< nelem
; i
++) {
907 if (onvlp
[i
] == nvl
|| onvlp
[i
] == NULL
)
916 /* calculate sizes of the nvpair elements and the nvpair itself */
917 name_sz
= strlen(name
) + 1;
918 if (name_sz
>= 1ULL << (sizeof (nvp
->nvp_name_sz
) * NBBY
- 1))
921 nvp_sz
= NVP_SIZE_CALC(name_sz
, value_sz
);
923 if ((nvp
= nvp_buf_alloc(nvl
, nvp_sz
)) == NULL
)
926 ASSERT(nvp
->nvp_size
== nvp_sz
);
927 nvp
->nvp_name_sz
= name_sz
;
928 nvp
->nvp_value_elem
= nelem
;
929 nvp
->nvp_type
= type
;
930 bcopy(name
, NVP_NAME(nvp
), name_sz
);
933 case DATA_TYPE_BOOLEAN
:
935 case DATA_TYPE_STRING_ARRAY
: {
936 char *const *strs
= data
;
937 char *buf
= NVP_VALUE(nvp
);
938 char **cstrs
= (void *)buf
;
940 /* skip pre-allocated space for pointer array */
941 buf
+= nelem
* sizeof (uint64_t);
942 for (i
= 0; i
< nelem
; i
++) {
943 int slen
= strlen(strs
[i
]) + 1;
944 bcopy(strs
[i
], buf
, slen
);
950 case DATA_TYPE_NVLIST
: {
951 nvlist_t
*nnvl
= EMBEDDED_NVL(nvp
);
952 nvlist_t
*onvl
= (nvlist_t
*)data
;
954 if ((err
= nvlist_copy_embedded(nvl
, onvl
, nnvl
)) != 0) {
955 nvp_buf_free(nvl
, nvp
);
960 case DATA_TYPE_NVLIST_ARRAY
: {
961 nvlist_t
**onvlp
= (nvlist_t
**)data
;
962 nvlist_t
**nvlp
= EMBEDDED_NVL_ARRAY(nvp
);
963 nvlist_t
*embedded
= (nvlist_t
*)
964 ((uintptr_t)nvlp
+ nelem
* sizeof (uint64_t));
966 for (i
= 0; i
< nelem
; i
++) {
967 if ((err
= nvlist_copy_embedded(nvl
,
968 onvlp
[i
], embedded
)) != 0) {
970 * Free any successfully created lists
973 nvp_buf_free(nvl
, nvp
);
977 nvlp
[i
] = embedded
++;
982 bcopy(data
, NVP_VALUE(nvp
), value_sz
);
985 /* if unique name, remove before add */
986 if (nvl
->nvl_nvflag
& NV_UNIQUE_NAME
)
987 (void) nvlist_remove_all(nvl
, name
);
988 else if (nvl
->nvl_nvflag
& NV_UNIQUE_NAME_TYPE
)
989 (void) nvlist_remove(nvl
, name
, type
);
991 nvp_buf_link(nvl
, nvp
);
997 nvlist_add_boolean(nvlist_t
*nvl
, const char *name
)
999 return (nvlist_add_common(nvl
, name
, DATA_TYPE_BOOLEAN
, 0, NULL
));
1003 nvlist_add_boolean_value(nvlist_t
*nvl
, const char *name
, boolean_t val
)
1005 return (nvlist_add_common(nvl
, name
, DATA_TYPE_BOOLEAN_VALUE
, 1, &val
));
1009 nvlist_add_byte(nvlist_t
*nvl
, const char *name
, uchar_t val
)
1011 return (nvlist_add_common(nvl
, name
, DATA_TYPE_BYTE
, 1, &val
));
1015 nvlist_add_int8(nvlist_t
*nvl
, const char *name
, int8_t val
)
1017 return (nvlist_add_common(nvl
, name
, DATA_TYPE_INT8
, 1, &val
));
1021 nvlist_add_uint8(nvlist_t
*nvl
, const char *name
, uint8_t val
)
1023 return (nvlist_add_common(nvl
, name
, DATA_TYPE_UINT8
, 1, &val
));
1027 nvlist_add_int16(nvlist_t
*nvl
, const char *name
, int16_t val
)
1029 return (nvlist_add_common(nvl
, name
, DATA_TYPE_INT16
, 1, &val
));
1033 nvlist_add_uint16(nvlist_t
*nvl
, const char *name
, uint16_t val
)
1035 return (nvlist_add_common(nvl
, name
, DATA_TYPE_UINT16
, 1, &val
));
1039 nvlist_add_int32(nvlist_t
*nvl
, const char *name
, int32_t val
)
1041 return (nvlist_add_common(nvl
, name
, DATA_TYPE_INT32
, 1, &val
));
1045 nvlist_add_uint32(nvlist_t
*nvl
, const char *name
, uint32_t val
)
1047 return (nvlist_add_common(nvl
, name
, DATA_TYPE_UINT32
, 1, &val
));
1051 nvlist_add_int64(nvlist_t
*nvl
, const char *name
, int64_t val
)
1053 return (nvlist_add_common(nvl
, name
, DATA_TYPE_INT64
, 1, &val
));
1057 nvlist_add_uint64(nvlist_t
*nvl
, const char *name
, uint64_t val
)
1059 return (nvlist_add_common(nvl
, name
, DATA_TYPE_UINT64
, 1, &val
));
1062 #if !defined(_KERNEL)
1064 nvlist_add_double(nvlist_t
*nvl
, const char *name
, double val
)
1066 return (nvlist_add_common(nvl
, name
, DATA_TYPE_DOUBLE
, 1, &val
));
1071 nvlist_add_string(nvlist_t
*nvl
, const char *name
, const char *val
)
1073 return (nvlist_add_common(nvl
, name
, DATA_TYPE_STRING
, 1, (void *)val
));
1077 nvlist_add_boolean_array(nvlist_t
*nvl
, const char *name
,
1078 boolean_t
*a
, uint_t n
)
1080 return (nvlist_add_common(nvl
, name
, DATA_TYPE_BOOLEAN_ARRAY
, n
, a
));
1084 nvlist_add_byte_array(nvlist_t
*nvl
, const char *name
, uchar_t
*a
, uint_t n
)
1086 return (nvlist_add_common(nvl
, name
, DATA_TYPE_BYTE_ARRAY
, n
, a
));
1090 nvlist_add_int8_array(nvlist_t
*nvl
, const char *name
, int8_t *a
, uint_t n
)
1092 return (nvlist_add_common(nvl
, name
, DATA_TYPE_INT8_ARRAY
, n
, a
));
1096 nvlist_add_uint8_array(nvlist_t
*nvl
, const char *name
, uint8_t *a
, uint_t n
)
1098 return (nvlist_add_common(nvl
, name
, DATA_TYPE_UINT8_ARRAY
, n
, a
));
1102 nvlist_add_int16_array(nvlist_t
*nvl
, const char *name
, int16_t *a
, uint_t n
)
1104 return (nvlist_add_common(nvl
, name
, DATA_TYPE_INT16_ARRAY
, n
, a
));
1108 nvlist_add_uint16_array(nvlist_t
*nvl
, const char *name
, uint16_t *a
, uint_t n
)
1110 return (nvlist_add_common(nvl
, name
, DATA_TYPE_UINT16_ARRAY
, n
, a
));
1114 nvlist_add_int32_array(nvlist_t
*nvl
, const char *name
, int32_t *a
, uint_t n
)
1116 return (nvlist_add_common(nvl
, name
, DATA_TYPE_INT32_ARRAY
, n
, a
));
1120 nvlist_add_uint32_array(nvlist_t
*nvl
, const char *name
, uint32_t *a
, uint_t n
)
1122 return (nvlist_add_common(nvl
, name
, DATA_TYPE_UINT32_ARRAY
, n
, a
));
1126 nvlist_add_int64_array(nvlist_t
*nvl
, const char *name
, int64_t *a
, uint_t n
)
1128 return (nvlist_add_common(nvl
, name
, DATA_TYPE_INT64_ARRAY
, n
, a
));
1132 nvlist_add_uint64_array(nvlist_t
*nvl
, const char *name
, uint64_t *a
, uint_t n
)
1134 return (nvlist_add_common(nvl
, name
, DATA_TYPE_UINT64_ARRAY
, n
, a
));
1138 nvlist_add_string_array(nvlist_t
*nvl
, const char *name
,
1139 char *const *a
, uint_t n
)
1141 return (nvlist_add_common(nvl
, name
, DATA_TYPE_STRING_ARRAY
, n
, a
));
1145 nvlist_add_hrtime(nvlist_t
*nvl
, const char *name
, hrtime_t val
)
1147 return (nvlist_add_common(nvl
, name
, DATA_TYPE_HRTIME
, 1, &val
));
1151 nvlist_add_nvlist(nvlist_t
*nvl
, const char *name
, nvlist_t
*val
)
1153 return (nvlist_add_common(nvl
, name
, DATA_TYPE_NVLIST
, 1, val
));
1157 nvlist_add_nvlist_array(nvlist_t
*nvl
, const char *name
, nvlist_t
**a
, uint_t n
)
1159 return (nvlist_add_common(nvl
, name
, DATA_TYPE_NVLIST_ARRAY
, n
, a
));
1162 /* reading name-value pairs */
1164 nvlist_next_nvpair(nvlist_t
*nvl
, nvpair_t
*nvp
)
1170 (priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
) == NULL
)
1173 curr
= NVPAIR2I_NVP(nvp
);
1176 * Ensure that nvp is a valid nvpair on this nvlist.
1177 * NB: nvp_curr is used only as a hint so that we don't always
1178 * have to walk the list to determine if nvp is still on the list.
1181 curr
= priv
->nvp_list
;
1182 else if (priv
->nvp_curr
== curr
|| nvlist_contains_nvp(nvl
, nvp
))
1183 curr
= curr
->nvi_next
;
1187 priv
->nvp_curr
= curr
;
1189 return (curr
!= NULL
? &curr
->nvi_nvp
: NULL
);
1193 nvlist_prev_nvpair(nvlist_t
*nvl
, nvpair_t
*nvp
)
1199 (priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
) == NULL
)
1202 curr
= NVPAIR2I_NVP(nvp
);
1205 curr
= priv
->nvp_last
;
1206 else if (priv
->nvp_curr
== curr
|| nvlist_contains_nvp(nvl
, nvp
))
1207 curr
= curr
->nvi_prev
;
1211 priv
->nvp_curr
= curr
;
1213 return (curr
!= NULL
? &curr
->nvi_nvp
: NULL
);
1217 nvlist_empty(nvlist_t
*nvl
)
1222 (priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
) == NULL
)
1225 return (priv
->nvp_list
== NULL
);
1229 nvpair_name(nvpair_t
*nvp
)
1231 return (NVP_NAME(nvp
));
1235 nvpair_type(nvpair_t
*nvp
)
1237 return (NVP_TYPE(nvp
));
1241 nvpair_type_is_array(nvpair_t
*nvp
)
1243 data_type_t type
= NVP_TYPE(nvp
);
1245 if ((type
== DATA_TYPE_BYTE_ARRAY
) ||
1246 (type
== DATA_TYPE_INT8_ARRAY
) ||
1247 (type
== DATA_TYPE_UINT8_ARRAY
) ||
1248 (type
== DATA_TYPE_INT16_ARRAY
) ||
1249 (type
== DATA_TYPE_UINT16_ARRAY
) ||
1250 (type
== DATA_TYPE_INT32_ARRAY
) ||
1251 (type
== DATA_TYPE_UINT32_ARRAY
) ||
1252 (type
== DATA_TYPE_INT64_ARRAY
) ||
1253 (type
== DATA_TYPE_UINT64_ARRAY
) ||
1254 (type
== DATA_TYPE_BOOLEAN_ARRAY
) ||
1255 (type
== DATA_TYPE_STRING_ARRAY
) ||
1256 (type
== DATA_TYPE_NVLIST_ARRAY
))
1263 nvpair_value_common(nvpair_t
*nvp
, data_type_t type
, uint_t
*nelem
, void *data
)
1267 if (nvp
== NULL
|| nvpair_type(nvp
) != type
)
1271 * For non-array types, we copy the data.
1272 * For array types (including string), we set a pointer.
1275 case DATA_TYPE_BOOLEAN
:
1280 case DATA_TYPE_BOOLEAN_VALUE
:
1281 case DATA_TYPE_BYTE
:
1282 case DATA_TYPE_INT8
:
1283 case DATA_TYPE_UINT8
:
1284 case DATA_TYPE_INT16
:
1285 case DATA_TYPE_UINT16
:
1286 case DATA_TYPE_INT32
:
1287 case DATA_TYPE_UINT32
:
1288 case DATA_TYPE_INT64
:
1289 case DATA_TYPE_UINT64
:
1290 case DATA_TYPE_HRTIME
:
1291 #if !defined(_KERNEL)
1292 case DATA_TYPE_DOUBLE
:
1296 if ((value_sz
= i_get_value_size(type
, NULL
, 1)) < 0)
1298 bcopy(NVP_VALUE(nvp
), data
, (size_t)value_sz
);
1303 case DATA_TYPE_NVLIST
:
1304 case DATA_TYPE_STRING
:
1307 *(void **)data
= (void *)NVP_VALUE(nvp
);
1312 case DATA_TYPE_BOOLEAN_ARRAY
:
1313 case DATA_TYPE_BYTE_ARRAY
:
1314 case DATA_TYPE_INT8_ARRAY
:
1315 case DATA_TYPE_UINT8_ARRAY
:
1316 case DATA_TYPE_INT16_ARRAY
:
1317 case DATA_TYPE_UINT16_ARRAY
:
1318 case DATA_TYPE_INT32_ARRAY
:
1319 case DATA_TYPE_UINT32_ARRAY
:
1320 case DATA_TYPE_INT64_ARRAY
:
1321 case DATA_TYPE_UINT64_ARRAY
:
1322 case DATA_TYPE_STRING_ARRAY
:
1323 case DATA_TYPE_NVLIST_ARRAY
:
1324 if (nelem
== NULL
|| data
== NULL
)
1326 if ((*nelem
= NVP_NELEM(nvp
)) != 0)
1327 *(void **)data
= (void *)NVP_VALUE(nvp
);
1329 *(void **)data
= NULL
;
1340 nvlist_lookup_common(nvlist_t
*nvl
, const char *name
, data_type_t type
,
1341 uint_t
*nelem
, void *data
)
1347 if (name
== NULL
|| nvl
== NULL
||
1348 (priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
) == NULL
)
1351 if (!(nvl
->nvl_nvflag
& (NV_UNIQUE_NAME
| NV_UNIQUE_NAME_TYPE
)))
1354 for (curr
= priv
->nvp_list
; curr
!= NULL
; curr
= curr
->nvi_next
) {
1355 nvp
= &curr
->nvi_nvp
;
1357 if (strcmp(name
, NVP_NAME(nvp
)) == 0 && NVP_TYPE(nvp
) == type
)
1358 return (nvpair_value_common(nvp
, type
, nelem
, data
));
1365 nvlist_lookup_boolean(nvlist_t
*nvl
, const char *name
)
1367 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_BOOLEAN
, NULL
, NULL
));
1371 nvlist_lookup_boolean_value(nvlist_t
*nvl
, const char *name
, boolean_t
*val
)
1373 return (nvlist_lookup_common(nvl
, name
,
1374 DATA_TYPE_BOOLEAN_VALUE
, NULL
, val
));
1378 nvlist_lookup_byte(nvlist_t
*nvl
, const char *name
, uchar_t
*val
)
1380 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_BYTE
, NULL
, val
));
1384 nvlist_lookup_int8(nvlist_t
*nvl
, const char *name
, int8_t *val
)
1386 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_INT8
, NULL
, val
));
1390 nvlist_lookup_uint8(nvlist_t
*nvl
, const char *name
, uint8_t *val
)
1392 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_UINT8
, NULL
, val
));
1396 nvlist_lookup_int16(nvlist_t
*nvl
, const char *name
, int16_t *val
)
1398 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_INT16
, NULL
, val
));
1402 nvlist_lookup_uint16(nvlist_t
*nvl
, const char *name
, uint16_t *val
)
1404 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_UINT16
, NULL
, val
));
1408 nvlist_lookup_int32(nvlist_t
*nvl
, const char *name
, int32_t *val
)
1410 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_INT32
, NULL
, val
));
1414 nvlist_lookup_uint32(nvlist_t
*nvl
, const char *name
, uint32_t *val
)
1416 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_UINT32
, NULL
, val
));
1420 nvlist_lookup_int64(nvlist_t
*nvl
, const char *name
, int64_t *val
)
1422 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_INT64
, NULL
, val
));
1426 nvlist_lookup_uint64(nvlist_t
*nvl
, const char *name
, uint64_t *val
)
1428 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_UINT64
, NULL
, val
));
1431 #if !defined(_KERNEL)
1433 nvlist_lookup_double(nvlist_t
*nvl
, const char *name
, double *val
)
1435 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_DOUBLE
, NULL
, val
));
1440 nvlist_lookup_string(nvlist_t
*nvl
, const char *name
, char **val
)
1442 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_STRING
, NULL
, val
));
1446 nvlist_lookup_nvlist(nvlist_t
*nvl
, const char *name
, nvlist_t
**val
)
1448 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_NVLIST
, NULL
, val
));
1452 nvlist_lookup_boolean_array(nvlist_t
*nvl
, const char *name
,
1453 boolean_t
**a
, uint_t
*n
)
1455 return (nvlist_lookup_common(nvl
, name
,
1456 DATA_TYPE_BOOLEAN_ARRAY
, n
, a
));
1460 nvlist_lookup_byte_array(nvlist_t
*nvl
, const char *name
,
1461 uchar_t
**a
, uint_t
*n
)
1463 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_BYTE_ARRAY
, n
, a
));
1467 nvlist_lookup_int8_array(nvlist_t
*nvl
, const char *name
, int8_t **a
, uint_t
*n
)
1469 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_INT8_ARRAY
, n
, a
));
1473 nvlist_lookup_uint8_array(nvlist_t
*nvl
, const char *name
,
1474 uint8_t **a
, uint_t
*n
)
1476 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_UINT8_ARRAY
, n
, a
));
1480 nvlist_lookup_int16_array(nvlist_t
*nvl
, const char *name
,
1481 int16_t **a
, uint_t
*n
)
1483 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_INT16_ARRAY
, n
, a
));
1487 nvlist_lookup_uint16_array(nvlist_t
*nvl
, const char *name
,
1488 uint16_t **a
, uint_t
*n
)
1490 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_UINT16_ARRAY
, n
, a
));
1494 nvlist_lookup_int32_array(nvlist_t
*nvl
, const char *name
,
1495 int32_t **a
, uint_t
*n
)
1497 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_INT32_ARRAY
, n
, a
));
1501 nvlist_lookup_uint32_array(nvlist_t
*nvl
, const char *name
,
1502 uint32_t **a
, uint_t
*n
)
1504 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_UINT32_ARRAY
, n
, a
));
1508 nvlist_lookup_int64_array(nvlist_t
*nvl
, const char *name
,
1509 int64_t **a
, uint_t
*n
)
1511 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_INT64_ARRAY
, n
, a
));
1515 nvlist_lookup_uint64_array(nvlist_t
*nvl
, const char *name
,
1516 uint64_t **a
, uint_t
*n
)
1518 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_UINT64_ARRAY
, n
, a
));
1522 nvlist_lookup_string_array(nvlist_t
*nvl
, const char *name
,
1523 char ***a
, uint_t
*n
)
1525 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_STRING_ARRAY
, n
, a
));
1529 nvlist_lookup_nvlist_array(nvlist_t
*nvl
, const char *name
,
1530 nvlist_t
***a
, uint_t
*n
)
1532 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_NVLIST_ARRAY
, n
, a
));
1536 nvlist_lookup_hrtime(nvlist_t
*nvl
, const char *name
, hrtime_t
*val
)
1538 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_HRTIME
, NULL
, val
));
1542 nvlist_lookup_pairs(nvlist_t
*nvl
, int flag
, ...)
1546 int noentok
= (flag
& NV_FLAG_NOENTOK
? 1 : 0);
1550 while (ret
== 0 && (name
= va_arg(ap
, char *)) != NULL
) {
1555 switch (type
= va_arg(ap
, data_type_t
)) {
1556 case DATA_TYPE_BOOLEAN
:
1557 ret
= nvlist_lookup_common(nvl
, name
, type
, NULL
, NULL
);
1560 case DATA_TYPE_BOOLEAN_VALUE
:
1561 case DATA_TYPE_BYTE
:
1562 case DATA_TYPE_INT8
:
1563 case DATA_TYPE_UINT8
:
1564 case DATA_TYPE_INT16
:
1565 case DATA_TYPE_UINT16
:
1566 case DATA_TYPE_INT32
:
1567 case DATA_TYPE_UINT32
:
1568 case DATA_TYPE_INT64
:
1569 case DATA_TYPE_UINT64
:
1570 case DATA_TYPE_HRTIME
:
1571 case DATA_TYPE_STRING
:
1572 case DATA_TYPE_NVLIST
:
1573 #if !defined(_KERNEL)
1574 case DATA_TYPE_DOUBLE
:
1576 val
= va_arg(ap
, void *);
1577 ret
= nvlist_lookup_common(nvl
, name
, type
, NULL
, val
);
1580 case DATA_TYPE_BYTE_ARRAY
:
1581 case DATA_TYPE_BOOLEAN_ARRAY
:
1582 case DATA_TYPE_INT8_ARRAY
:
1583 case DATA_TYPE_UINT8_ARRAY
:
1584 case DATA_TYPE_INT16_ARRAY
:
1585 case DATA_TYPE_UINT16_ARRAY
:
1586 case DATA_TYPE_INT32_ARRAY
:
1587 case DATA_TYPE_UINT32_ARRAY
:
1588 case DATA_TYPE_INT64_ARRAY
:
1589 case DATA_TYPE_UINT64_ARRAY
:
1590 case DATA_TYPE_STRING_ARRAY
:
1591 case DATA_TYPE_NVLIST_ARRAY
:
1592 val
= va_arg(ap
, void *);
1593 nelem
= va_arg(ap
, uint_t
*);
1594 ret
= nvlist_lookup_common(nvl
, name
, type
, nelem
, val
);
1601 if (ret
== ENOENT
&& noentok
)
1610 * Find the 'name'ed nvpair in the nvlist 'nvl'. If 'name' found, the function
1611 * returns zero and a pointer to the matching nvpair is returned in '*ret'
1612 * (given 'ret' is non-NULL). If 'sep' is specified then 'name' will penitrate
1613 * multiple levels of embedded nvlists, with 'sep' as the separator. As an
1614 * example, if sep is '.', name might look like: "a" or "a.b" or "a.c[3]" or
1615 * "a.d[3].e[1]". This matches the C syntax for array embed (for convience,
1616 * code also supports "a.d[3]e[1]" syntax).
1618 * If 'ip' is non-NULL and the last name component is an array, return the
1619 * value of the "...[index]" array index in *ip. For an array reference that
1620 * is not indexed, *ip will be returned as -1. If there is a syntax error in
1621 * 'name', and 'ep' is non-NULL then *ep will be set to point to the location
1622 * inside the 'name' string where the syntax error was detected.
1625 nvlist_lookup_nvpair_ei_sep(nvlist_t
*nvl
, const char *name
, const char sep
,
1626 nvpair_t
**ret
, int *ip
, char **ep
)
1637 *ip
= -1; /* not indexed */
1641 if ((nvl
== NULL
) || (name
== NULL
))
1646 /* step through components of name */
1647 for (np
= name
; np
&& *np
; np
= sepp
) {
1648 /* ensure unique names */
1649 if (!(nvl
->nvl_nvflag
& NV_UNIQUE_NAME
))
1652 /* skip white space */
1653 skip_whitespace(np
);
1657 /* set 'sepp' to end of current component 'np' */
1659 sepp
= strchr(np
, sep
);
1663 /* find start of next "[ index ]..." */
1664 idxp
= strchr(np
, '[');
1666 /* if sepp comes first, set idxp to NULL */
1667 if (sepp
&& idxp
&& (sepp
< idxp
))
1671 * At this point 'idxp' is set if there is an index
1672 * expected for the current component.
1675 /* set 'n' to length of current 'np' name component */
1678 /* keep sepp up to date for *ep use as we advance */
1679 skip_whitespace(idxp
);
1682 /* determine the index value */
1683 #if defined(_KERNEL) && !defined(_BOOT)
1684 if (ddi_strtol(idxp
, &idxep
, 0, &idx
))
1687 idx
= strtol(idxp
, &idxep
, 0);
1692 /* keep sepp up to date for *ep use as we advance */
1695 /* skip white space index value and check for ']' */
1696 skip_whitespace(sepp
);
1700 /* for embedded arrays, support C syntax: "a[1].b" */
1701 skip_whitespace(sepp
);
1702 if (sep
&& (*sepp
== sep
))
1710 /* trim trailing whitespace by reducing length of 'np' */
1713 for (n
--; (np
[n
] == ' ') || (np
[n
] == '\t'); n
--)
1717 /* skip whitespace, and set sepp to NULL if complete */
1719 skip_whitespace(sepp
);
1726 * o 'n' is the length of current 'np' component.
1727 * o 'idxp' is set if there was an index, and value 'idx'.
1728 * o 'sepp' is set to the beginning of the next component,
1729 * and set to NULL if we have no more components.
1731 * Search for nvpair with matching component name.
1733 for (nvp
= nvlist_next_nvpair(nvl
, NULL
); nvp
!= NULL
;
1734 nvp
= nvlist_next_nvpair(nvl
, nvp
)) {
1736 /* continue if no match on name */
1737 if (strncmp(np
, nvpair_name(nvp
), n
) ||
1738 (strlen(nvpair_name(nvp
)) != n
))
1741 /* if indexed, verify type is array oriented */
1742 if (idxp
&& !nvpair_type_is_array(nvp
))
1746 * Full match found, return nvp and idx if this
1747 * was the last component.
1753 *ip
= (int)idx
; /* return index */
1754 return (0); /* found */
1758 * More components: current match must be
1759 * of DATA_TYPE_NVLIST or DATA_TYPE_NVLIST_ARRAY
1760 * to support going deeper.
1762 if (nvpair_type(nvp
) == DATA_TYPE_NVLIST
) {
1763 nvl
= EMBEDDED_NVL(nvp
);
1765 } else if (nvpair_type(nvp
) == DATA_TYPE_NVLIST_ARRAY
) {
1766 (void) nvpair_value_nvlist_array(nvp
,
1767 &nva
, (uint_t
*)&n
);
1768 if ((n
< 0) || (idx
>= n
))
1774 /* type does not support more levels */
1778 goto fail
; /* 'name' not found */
1780 /* search for match of next component in embedded 'nvl' list */
1783 fail
: if (ep
&& sepp
)
1789 * Return pointer to nvpair with specified 'name'.
1792 nvlist_lookup_nvpair(nvlist_t
*nvl
, const char *name
, nvpair_t
**ret
)
1794 return (nvlist_lookup_nvpair_ei_sep(nvl
, name
, 0, ret
, NULL
, NULL
));
1798 * Determine if named nvpair exists in nvlist (use embedded separator of '.'
1799 * and return array index). See nvlist_lookup_nvpair_ei_sep for more detailed
1802 int nvlist_lookup_nvpair_embedded_index(nvlist_t
*nvl
,
1803 const char *name
, nvpair_t
**ret
, int *ip
, char **ep
)
1805 return (nvlist_lookup_nvpair_ei_sep(nvl
, name
, '.', ret
, ip
, ep
));
1809 nvlist_exists(nvlist_t
*nvl
, const char *name
)
1815 if (name
== NULL
|| nvl
== NULL
||
1816 (priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
) == NULL
)
1819 for (curr
= priv
->nvp_list
; curr
!= NULL
; curr
= curr
->nvi_next
) {
1820 nvp
= &curr
->nvi_nvp
;
1822 if (strcmp(name
, NVP_NAME(nvp
)) == 0)
1830 nvpair_value_boolean_value(nvpair_t
*nvp
, boolean_t
*val
)
1832 return (nvpair_value_common(nvp
, DATA_TYPE_BOOLEAN_VALUE
, NULL
, val
));
1836 nvpair_value_byte(nvpair_t
*nvp
, uchar_t
*val
)
1838 return (nvpair_value_common(nvp
, DATA_TYPE_BYTE
, NULL
, val
));
1842 nvpair_value_int8(nvpair_t
*nvp
, int8_t *val
)
1844 return (nvpair_value_common(nvp
, DATA_TYPE_INT8
, NULL
, val
));
1848 nvpair_value_uint8(nvpair_t
*nvp
, uint8_t *val
)
1850 return (nvpair_value_common(nvp
, DATA_TYPE_UINT8
, NULL
, val
));
1854 nvpair_value_int16(nvpair_t
*nvp
, int16_t *val
)
1856 return (nvpair_value_common(nvp
, DATA_TYPE_INT16
, NULL
, val
));
1860 nvpair_value_uint16(nvpair_t
*nvp
, uint16_t *val
)
1862 return (nvpair_value_common(nvp
, DATA_TYPE_UINT16
, NULL
, val
));
1866 nvpair_value_int32(nvpair_t
*nvp
, int32_t *val
)
1868 return (nvpair_value_common(nvp
, DATA_TYPE_INT32
, NULL
, val
));
1872 nvpair_value_uint32(nvpair_t
*nvp
, uint32_t *val
)
1874 return (nvpair_value_common(nvp
, DATA_TYPE_UINT32
, NULL
, val
));
1878 nvpair_value_int64(nvpair_t
*nvp
, int64_t *val
)
1880 return (nvpair_value_common(nvp
, DATA_TYPE_INT64
, NULL
, val
));
1884 nvpair_value_uint64(nvpair_t
*nvp
, uint64_t *val
)
1886 return (nvpair_value_common(nvp
, DATA_TYPE_UINT64
, NULL
, val
));
1889 #if !defined(_KERNEL)
1891 nvpair_value_double(nvpair_t
*nvp
, double *val
)
1893 return (nvpair_value_common(nvp
, DATA_TYPE_DOUBLE
, NULL
, val
));
1898 nvpair_value_string(nvpair_t
*nvp
, char **val
)
1900 return (nvpair_value_common(nvp
, DATA_TYPE_STRING
, NULL
, val
));
1904 nvpair_value_nvlist(nvpair_t
*nvp
, nvlist_t
**val
)
1906 return (nvpair_value_common(nvp
, DATA_TYPE_NVLIST
, NULL
, val
));
1910 nvpair_value_boolean_array(nvpair_t
*nvp
, boolean_t
**val
, uint_t
*nelem
)
1912 return (nvpair_value_common(nvp
, DATA_TYPE_BOOLEAN_ARRAY
, nelem
, val
));
1916 nvpair_value_byte_array(nvpair_t
*nvp
, uchar_t
**val
, uint_t
*nelem
)
1918 return (nvpair_value_common(nvp
, DATA_TYPE_BYTE_ARRAY
, nelem
, val
));
1922 nvpair_value_int8_array(nvpair_t
*nvp
, int8_t **val
, uint_t
*nelem
)
1924 return (nvpair_value_common(nvp
, DATA_TYPE_INT8_ARRAY
, nelem
, val
));
1928 nvpair_value_uint8_array(nvpair_t
*nvp
, uint8_t **val
, uint_t
*nelem
)
1930 return (nvpair_value_common(nvp
, DATA_TYPE_UINT8_ARRAY
, nelem
, val
));
1934 nvpair_value_int16_array(nvpair_t
*nvp
, int16_t **val
, uint_t
*nelem
)
1936 return (nvpair_value_common(nvp
, DATA_TYPE_INT16_ARRAY
, nelem
, val
));
1940 nvpair_value_uint16_array(nvpair_t
*nvp
, uint16_t **val
, uint_t
*nelem
)
1942 return (nvpair_value_common(nvp
, DATA_TYPE_UINT16_ARRAY
, nelem
, val
));
1946 nvpair_value_int32_array(nvpair_t
*nvp
, int32_t **val
, uint_t
*nelem
)
1948 return (nvpair_value_common(nvp
, DATA_TYPE_INT32_ARRAY
, nelem
, val
));
1952 nvpair_value_uint32_array(nvpair_t
*nvp
, uint32_t **val
, uint_t
*nelem
)
1954 return (nvpair_value_common(nvp
, DATA_TYPE_UINT32_ARRAY
, nelem
, val
));
1958 nvpair_value_int64_array(nvpair_t
*nvp
, int64_t **val
, uint_t
*nelem
)
1960 return (nvpair_value_common(nvp
, DATA_TYPE_INT64_ARRAY
, nelem
, val
));
1964 nvpair_value_uint64_array(nvpair_t
*nvp
, uint64_t **val
, uint_t
*nelem
)
1966 return (nvpair_value_common(nvp
, DATA_TYPE_UINT64_ARRAY
, nelem
, val
));
1970 nvpair_value_string_array(nvpair_t
*nvp
, char ***val
, uint_t
*nelem
)
1972 return (nvpair_value_common(nvp
, DATA_TYPE_STRING_ARRAY
, nelem
, val
));
1976 nvpair_value_nvlist_array(nvpair_t
*nvp
, nvlist_t
***val
, uint_t
*nelem
)
1978 return (nvpair_value_common(nvp
, DATA_TYPE_NVLIST_ARRAY
, nelem
, val
));
1982 nvpair_value_hrtime(nvpair_t
*nvp
, hrtime_t
*val
)
1984 return (nvpair_value_common(nvp
, DATA_TYPE_HRTIME
, NULL
, val
));
1988 * Add specified pair to the list.
1991 nvlist_add_nvpair(nvlist_t
*nvl
, nvpair_t
*nvp
)
1993 if (nvl
== NULL
|| nvp
== NULL
)
1996 return (nvlist_add_common(nvl
, NVP_NAME(nvp
), NVP_TYPE(nvp
),
1997 NVP_NELEM(nvp
), NVP_VALUE(nvp
)));
2001 * Merge the supplied nvlists and put the result in dst.
2002 * The merged list will contain all names specified in both lists,
2003 * the values are taken from nvl in the case of duplicates.
2004 * Return 0 on success.
2008 nvlist_merge(nvlist_t
*dst
, nvlist_t
*nvl
, int flag
)
2010 if (nvl
== NULL
|| dst
== NULL
)
2014 return (nvlist_copy_pairs(nvl
, dst
));
2020 * Encoding related routines
2022 #define NVS_OP_ENCODE 0
2023 #define NVS_OP_DECODE 1
2024 #define NVS_OP_GETSIZE 2
2026 typedef struct nvs_ops nvs_ops_t
;
2030 const nvs_ops_t
*nvs_ops
;
2037 * nvs operations are:
2039 * encoding / decoding of an nvlist header (nvlist_t)
2040 * calculates the size used for header and end detection
2043 * responsible for the first part of encoding / decoding of an nvpair
2044 * calculates the decoded size of an nvpair
2047 * second part of encoding / decoding of an nvpair
2050 * calculates the encoding size of an nvpair
2053 * encodes the end detection mark (zeros).
2056 int (*nvs_nvlist
)(nvstream_t
*, nvlist_t
*, size_t *);
2057 int (*nvs_nvpair
)(nvstream_t
*, nvpair_t
*, size_t *);
2058 int (*nvs_nvp_op
)(nvstream_t
*, nvpair_t
*);
2059 int (*nvs_nvp_size
)(nvstream_t
*, nvpair_t
*, size_t *);
2060 int (*nvs_nvl_fini
)(nvstream_t
*);
2064 char nvh_encoding
; /* nvs encoding method */
2065 char nvh_endian
; /* nvs endian */
2066 char nvh_reserved1
; /* reserved for future use */
2067 char nvh_reserved2
; /* reserved for future use */
2071 nvs_encode_pairs(nvstream_t
*nvs
, nvlist_t
*nvl
)
2073 nvpriv_t
*priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
;
2077 * Walk nvpair in list and encode each nvpair
2079 for (curr
= priv
->nvp_list
; curr
!= NULL
; curr
= curr
->nvi_next
)
2080 if (nvs
->nvs_ops
->nvs_nvpair(nvs
, &curr
->nvi_nvp
, NULL
) != 0)
2083 return (nvs
->nvs_ops
->nvs_nvl_fini(nvs
));
2087 nvs_decode_pairs(nvstream_t
*nvs
, nvlist_t
*nvl
)
2094 * Get decoded size of next pair in stream, alloc
2095 * memory for nvpair_t, then decode the nvpair
2097 while ((err
= nvs
->nvs_ops
->nvs_nvpair(nvs
, NULL
, &nvsize
)) == 0) {
2098 if (nvsize
== 0) /* end of list */
2101 /* make sure len makes sense */
2102 if (nvsize
< NVP_SIZE_CALC(1, 0))
2105 if ((nvp
= nvp_buf_alloc(nvl
, nvsize
)) == NULL
)
2108 if ((err
= nvs
->nvs_ops
->nvs_nvp_op(nvs
, nvp
)) != 0) {
2109 nvp_buf_free(nvl
, nvp
);
2113 if (i_validate_nvpair(nvp
) != 0) {
2115 nvp_buf_free(nvl
, nvp
);
2119 nvp_buf_link(nvl
, nvp
);
2125 nvs_getsize_pairs(nvstream_t
*nvs
, nvlist_t
*nvl
, size_t *buflen
)
2127 nvpriv_t
*priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
;
2129 uint64_t nvsize
= *buflen
;
2133 * Get encoded size of nvpairs in nvlist
2135 for (curr
= priv
->nvp_list
; curr
!= NULL
; curr
= curr
->nvi_next
) {
2136 if (nvs
->nvs_ops
->nvs_nvp_size(nvs
, &curr
->nvi_nvp
, &size
) != 0)
2139 if ((nvsize
+= size
) > INT32_MAX
)
2148 nvs_operation(nvstream_t
*nvs
, nvlist_t
*nvl
, size_t *buflen
)
2152 if (nvl
->nvl_priv
== 0)
2156 * Perform the operation, starting with header, then each nvpair
2158 if ((err
= nvs
->nvs_ops
->nvs_nvlist(nvs
, nvl
, buflen
)) != 0)
2161 switch (nvs
->nvs_op
) {
2163 err
= nvs_encode_pairs(nvs
, nvl
);
2167 err
= nvs_decode_pairs(nvs
, nvl
);
2170 case NVS_OP_GETSIZE
:
2171 err
= nvs_getsize_pairs(nvs
, nvl
, buflen
);
2182 nvs_embedded(nvstream_t
*nvs
, nvlist_t
*embedded
)
2184 switch (nvs
->nvs_op
) {
2185 case NVS_OP_ENCODE
: {
2188 if (nvs
->nvs_recursion
>= nvpair_max_recursion
)
2190 nvs
->nvs_recursion
++;
2191 err
= nvs_operation(nvs
, embedded
, NULL
);
2192 nvs
->nvs_recursion
--;
2195 case NVS_OP_DECODE
: {
2199 if (embedded
->nvl_version
!= NV_VERSION
)
2202 if ((priv
= nv_priv_alloc_embedded(nvs
->nvs_priv
)) == NULL
)
2205 nvlist_init(embedded
, embedded
->nvl_nvflag
, priv
);
2207 if (nvs
->nvs_recursion
>= nvpair_max_recursion
) {
2208 nvlist_free(embedded
);
2211 nvs
->nvs_recursion
++;
2212 if ((err
= nvs_operation(nvs
, embedded
, NULL
)) != 0)
2213 nvlist_free(embedded
);
2214 nvs
->nvs_recursion
--;
2225 nvs_embedded_nvl_array(nvstream_t
*nvs
, nvpair_t
*nvp
, size_t *size
)
2227 size_t nelem
= NVP_NELEM(nvp
);
2228 nvlist_t
**nvlp
= EMBEDDED_NVL_ARRAY(nvp
);
2231 switch (nvs
->nvs_op
) {
2233 for (i
= 0; i
< nelem
; i
++)
2234 if (nvs_embedded(nvs
, nvlp
[i
]) != 0)
2238 case NVS_OP_DECODE
: {
2239 size_t len
= nelem
* sizeof (uint64_t);
2240 nvlist_t
*embedded
= (nvlist_t
*)((uintptr_t)nvlp
+ len
);
2242 bzero(nvlp
, len
); /* don't trust packed data */
2243 for (i
= 0; i
< nelem
; i
++) {
2244 if (nvs_embedded(nvs
, embedded
) != 0) {
2249 nvlp
[i
] = embedded
++;
2253 case NVS_OP_GETSIZE
: {
2254 uint64_t nvsize
= 0;
2256 for (i
= 0; i
< nelem
; i
++) {
2259 if (nvs_operation(nvs
, nvlp
[i
], &nvp_sz
) != 0)
2262 if ((nvsize
+= nvp_sz
) > INT32_MAX
)
2276 static int nvs_native(nvstream_t
*, nvlist_t
*, char *, size_t *);
2277 static int nvs_xdr(nvstream_t
*, nvlist_t
*, char *, size_t *);
2280 * Common routine for nvlist operations:
2281 * encode, decode, getsize (encoded size).
2284 nvlist_common(nvlist_t
*nvl
, char *buf
, size_t *buflen
, int encoding
,
2290 #ifdef _LITTLE_ENDIAN
2291 int host_endian
= 1;
2293 int host_endian
= 0;
2294 #endif /* _LITTLE_ENDIAN */
2295 nvs_header_t
*nvh
= (void *)buf
;
2297 if (buflen
== NULL
|| nvl
== NULL
||
2298 (nvs
.nvs_priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
) == NULL
)
2301 nvs
.nvs_op
= nvs_op
;
2302 nvs
.nvs_recursion
= 0;
2305 * For NVS_OP_ENCODE and NVS_OP_DECODE make sure an nvlist and
2306 * a buffer is allocated. The first 4 bytes in the buffer are
2307 * used for encoding method and host endian.
2311 if (buf
== NULL
|| *buflen
< sizeof (nvs_header_t
))
2314 nvh
->nvh_encoding
= encoding
;
2315 nvh
->nvh_endian
= nvl_endian
= host_endian
;
2316 nvh
->nvh_reserved1
= 0;
2317 nvh
->nvh_reserved2
= 0;
2321 if (buf
== NULL
|| *buflen
< sizeof (nvs_header_t
))
2324 /* get method of encoding from first byte */
2325 encoding
= nvh
->nvh_encoding
;
2326 nvl_endian
= nvh
->nvh_endian
;
2329 case NVS_OP_GETSIZE
:
2330 nvl_endian
= host_endian
;
2333 * add the size for encoding
2335 *buflen
= sizeof (nvs_header_t
);
2343 * Create an nvstream with proper encoding method
2346 case NV_ENCODE_NATIVE
:
2348 * check endianness, in case we are unpacking
2351 if (nvl_endian
!= host_endian
)
2353 err
= nvs_native(&nvs
, nvl
, buf
, buflen
);
2356 err
= nvs_xdr(&nvs
, nvl
, buf
, buflen
);
2367 nvlist_size(nvlist_t
*nvl
, size_t *size
, int encoding
)
2369 return (nvlist_common(nvl
, NULL
, size
, encoding
, NVS_OP_GETSIZE
));
2373 * Pack nvlist into contiguous memory
2376 nvlist_pack(nvlist_t
*nvl
, char **bufp
, size_t *buflen
, int encoding
,
2379 return (nvlist_xpack(nvl
, bufp
, buflen
, encoding
,
2380 nvlist_nv_alloc(kmflag
)));
2384 nvlist_xpack(nvlist_t
*nvl
, char **bufp
, size_t *buflen
, int encoding
,
2392 if (nva
== NULL
|| nvl
== NULL
|| bufp
== NULL
|| buflen
== NULL
)
2396 return (nvlist_common(nvl
, *bufp
, buflen
, encoding
,
2400 * Here is a difficult situation:
2401 * 1. The nvlist has fixed allocator properties.
2402 * All other nvlist routines (like nvlist_add_*, ...) use
2404 * 2. When using nvlist_pack() the user can specify their own
2405 * allocator properties (e.g. by using KM_NOSLEEP).
2407 * We use the user specified properties (2). A clearer solution
2408 * will be to remove the kmflag from nvlist_pack(), but we will
2409 * not change the interface.
2411 nv_priv_init(&nvpriv
, nva
, 0);
2413 if ((err
= nvlist_size(nvl
, &alloc_size
, encoding
)))
2416 if ((buf
= nv_mem_zalloc(&nvpriv
, alloc_size
)) == NULL
)
2419 if ((err
= nvlist_common(nvl
, buf
, &alloc_size
, encoding
,
2420 NVS_OP_ENCODE
)) != 0) {
2421 nv_mem_free(&nvpriv
, buf
, alloc_size
);
2423 *buflen
= alloc_size
;
2431 * Unpack buf into an nvlist_t
2434 nvlist_unpack(char *buf
, size_t buflen
, nvlist_t
**nvlp
, int kmflag
)
2436 return (nvlist_xunpack(buf
, buflen
, nvlp
, nvlist_nv_alloc(kmflag
)));
2440 nvlist_xunpack(char *buf
, size_t buflen
, nvlist_t
**nvlp
, nv_alloc_t
*nva
)
2448 if ((err
= nvlist_xalloc(&nvl
, 0, nva
)) != 0)
2451 if ((err
= nvlist_common(nvl
, buf
, &buflen
, 0, NVS_OP_DECODE
)) != 0)
2460 * Native encoding functions
2464 * This structure is used when decoding a packed nvpair in
2465 * the native format. n_base points to a buffer containing the
2466 * packed nvpair. n_end is a pointer to the end of the buffer.
2467 * (n_end actually points to the first byte past the end of the
2468 * buffer.) n_curr is a pointer that lies between n_base and n_end.
2469 * It points to the current data that we are decoding.
2470 * The amount of data left in the buffer is equal to n_end - n_curr.
2471 * n_flag is used to recognize a packed embedded list.
2480 nvs_native_create(nvstream_t
*nvs
, nvs_native_t
*native
, char *buf
,
2483 switch (nvs
->nvs_op
) {
2486 nvs
->nvs_private
= native
;
2487 native
->n_curr
= native
->n_base
= buf
;
2488 native
->n_end
= buf
+ buflen
;
2492 case NVS_OP_GETSIZE
:
2493 nvs
->nvs_private
= native
;
2494 native
->n_curr
= native
->n_base
= native
->n_end
= NULL
;
2504 nvs_native_destroy(nvstream_t
*nvs
)
2509 native_cp(nvstream_t
*nvs
, void *buf
, size_t size
)
2511 nvs_native_t
*native
= (nvs_native_t
*)nvs
->nvs_private
;
2513 if (native
->n_curr
+ size
> native
->n_end
)
2517 * The bcopy() below eliminates alignment requirement
2518 * on the buffer (stream) and is preferred over direct access.
2520 switch (nvs
->nvs_op
) {
2522 bcopy(buf
, native
->n_curr
, size
);
2525 bcopy(native
->n_curr
, buf
, size
);
2531 native
->n_curr
+= size
;
2536 * operate on nvlist_t header
2539 nvs_native_nvlist(nvstream_t
*nvs
, nvlist_t
*nvl
, size_t *size
)
2541 nvs_native_t
*native
= nvs
->nvs_private
;
2543 switch (nvs
->nvs_op
) {
2547 return (0); /* packed embedded list */
2551 /* copy version and nvflag of the nvlist_t */
2552 if (native_cp(nvs
, &nvl
->nvl_version
, sizeof (int32_t)) != 0 ||
2553 native_cp(nvs
, &nvl
->nvl_nvflag
, sizeof (int32_t)) != 0)
2558 case NVS_OP_GETSIZE
:
2560 * if calculate for packed embedded list
2561 * 4 for end of the embedded list
2563 * 2 * sizeof (int32_t) for nvl_version and nvl_nvflag
2564 * and 4 for end of the entire list
2566 if (native
->n_flag
) {
2570 *size
+= 2 * sizeof (int32_t) + 4;
2581 nvs_native_nvl_fini(nvstream_t
*nvs
)
2583 if (nvs
->nvs_op
== NVS_OP_ENCODE
) {
2584 nvs_native_t
*native
= (nvs_native_t
*)nvs
->nvs_private
;
2586 * Add 4 zero bytes at end of nvlist. They are used
2587 * for end detection by the decode routine.
2589 if (native
->n_curr
+ sizeof (int) > native
->n_end
)
2592 bzero(native
->n_curr
, sizeof (int));
2593 native
->n_curr
+= sizeof (int);
2600 nvpair_native_embedded(nvstream_t
*nvs
, nvpair_t
*nvp
)
2602 if (nvs
->nvs_op
== NVS_OP_ENCODE
) {
2603 nvs_native_t
*native
= (nvs_native_t
*)nvs
->nvs_private
;
2604 nvlist_t
*packed
= (void *)
2605 (native
->n_curr
- nvp
->nvp_size
+ NVP_VALOFF(nvp
));
2607 * Null out the pointer that is meaningless in the packed
2608 * structure. The address may not be aligned, so we have
2611 bzero((char *)packed
+ offsetof(nvlist_t
, nvl_priv
),
2615 return (nvs_embedded(nvs
, EMBEDDED_NVL(nvp
)));
2619 nvpair_native_embedded_array(nvstream_t
*nvs
, nvpair_t
*nvp
)
2621 if (nvs
->nvs_op
== NVS_OP_ENCODE
) {
2622 nvs_native_t
*native
= (nvs_native_t
*)nvs
->nvs_private
;
2623 char *value
= native
->n_curr
- nvp
->nvp_size
+ NVP_VALOFF(nvp
);
2624 size_t len
= NVP_NELEM(nvp
) * sizeof (uint64_t);
2625 nvlist_t
*packed
= (nvlist_t
*)((uintptr_t)value
+ len
);
2628 * Null out pointers that are meaningless in the packed
2629 * structure. The addresses may not be aligned, so we have
2634 for (i
= 0; i
< NVP_NELEM(nvp
); i
++, packed
++)
2636 * Null out the pointer that is meaningless in the
2637 * packed structure. The address may not be aligned,
2638 * so we have to use bzero.
2640 bzero((char *)packed
+ offsetof(nvlist_t
, nvl_priv
),
2644 return (nvs_embedded_nvl_array(nvs
, nvp
, NULL
));
2648 nvpair_native_string_array(nvstream_t
*nvs
, nvpair_t
*nvp
)
2650 switch (nvs
->nvs_op
) {
2651 case NVS_OP_ENCODE
: {
2652 nvs_native_t
*native
= (nvs_native_t
*)nvs
->nvs_private
;
2653 uint64_t *strp
= (void *)
2654 (native
->n_curr
- nvp
->nvp_size
+ NVP_VALOFF(nvp
));
2656 * Null out pointers that are meaningless in the packed
2657 * structure. The addresses may not be aligned, so we have
2660 bzero(strp
, NVP_NELEM(nvp
) * sizeof (uint64_t));
2663 case NVS_OP_DECODE
: {
2664 char **strp
= (void *)NVP_VALUE(nvp
);
2665 char *buf
= ((char *)strp
+ NVP_NELEM(nvp
) * sizeof (uint64_t));
2668 for (i
= 0; i
< NVP_NELEM(nvp
); i
++) {
2670 buf
+= strlen(buf
) + 1;
2678 nvs_native_nvp_op(nvstream_t
*nvs
, nvpair_t
*nvp
)
2685 * We do the initial bcopy of the data before we look at
2686 * the nvpair type, because when we're decoding, we won't
2687 * have the correct values for the pair until we do the bcopy.
2689 switch (nvs
->nvs_op
) {
2692 if (native_cp(nvs
, nvp
, nvp
->nvp_size
) != 0)
2699 /* verify nvp_name_sz, check the name string length */
2700 if (i_validate_nvpair_name(nvp
) != 0)
2703 type
= NVP_TYPE(nvp
);
2706 * Verify type and nelem and get the value size.
2707 * In case of data types DATA_TYPE_STRING and DATA_TYPE_STRING_ARRAY
2708 * is the size of the string(s) excluded.
2710 if ((value_sz
= i_get_value_size(type
, NULL
, NVP_NELEM(nvp
))) < 0)
2713 if (NVP_SIZE_CALC(nvp
->nvp_name_sz
, value_sz
) > nvp
->nvp_size
)
2717 case DATA_TYPE_NVLIST
:
2718 ret
= nvpair_native_embedded(nvs
, nvp
);
2720 case DATA_TYPE_NVLIST_ARRAY
:
2721 ret
= nvpair_native_embedded_array(nvs
, nvp
);
2723 case DATA_TYPE_STRING_ARRAY
:
2724 nvpair_native_string_array(nvs
, nvp
);
2734 nvs_native_nvp_size(nvstream_t
*nvs
, nvpair_t
*nvp
, size_t *size
)
2736 uint64_t nvp_sz
= nvp
->nvp_size
;
2738 switch (NVP_TYPE(nvp
)) {
2739 case DATA_TYPE_NVLIST
: {
2742 if (nvs_operation(nvs
, EMBEDDED_NVL(nvp
), &nvsize
) != 0)
2748 case DATA_TYPE_NVLIST_ARRAY
: {
2751 if (nvs_embedded_nvl_array(nvs
, nvp
, &nvsize
) != 0)
2761 if (nvp_sz
> INT32_MAX
)
2770 nvs_native_nvpair(nvstream_t
*nvs
, nvpair_t
*nvp
, size_t *size
)
2772 switch (nvs
->nvs_op
) {
2774 return (nvs_native_nvp_op(nvs
, nvp
));
2776 case NVS_OP_DECODE
: {
2777 nvs_native_t
*native
= (nvs_native_t
*)nvs
->nvs_private
;
2780 /* try to read the size value from the stream */
2781 if (native
->n_curr
+ sizeof (int32_t) > native
->n_end
)
2783 bcopy(native
->n_curr
, &decode_len
, sizeof (int32_t));
2785 /* sanity check the size value */
2786 if (decode_len
< 0 ||
2787 decode_len
> native
->n_end
- native
->n_curr
)
2793 * If at the end of the stream then move the cursor
2794 * forward, otherwise nvpair_native_op() will read
2795 * the entire nvpair at the same cursor position.
2798 native
->n_curr
+= sizeof (int32_t);
2809 static const nvs_ops_t nvs_native_ops
= {
2810 .nvs_nvlist
= nvs_native_nvlist
,
2811 .nvs_nvpair
= nvs_native_nvpair
,
2812 .nvs_nvp_op
= nvs_native_nvp_op
,
2813 .nvs_nvp_size
= nvs_native_nvp_size
,
2814 .nvs_nvl_fini
= nvs_native_nvl_fini
2818 nvs_native(nvstream_t
*nvs
, nvlist_t
*nvl
, char *buf
, size_t *buflen
)
2820 nvs_native_t native
;
2823 nvs
->nvs_ops
= &nvs_native_ops
;
2825 if ((err
= nvs_native_create(nvs
, &native
, buf
+ sizeof (nvs_header_t
),
2826 *buflen
- sizeof (nvs_header_t
))) != 0)
2829 err
= nvs_operation(nvs
, nvl
, buflen
);
2831 nvs_native_destroy(nvs
);
2837 * XDR encoding functions
2839 * An xdr packed nvlist is encoded as:
2841 * - encoding methode and host endian (4 bytes)
2842 * - nvl_version (4 bytes)
2843 * - nvl_nvflag (4 bytes)
2845 * - encoded nvpairs, the format of one xdr encoded nvpair is:
2846 * - encoded size of the nvpair (4 bytes)
2847 * - decoded size of the nvpair (4 bytes)
2848 * - name string, (4 + sizeof(NV_ALIGN4(string))
2849 * a string is coded as size (4 bytes) and data
2850 * - data type (4 bytes)
2851 * - number of elements in the nvpair (4 bytes)
2854 * - 2 zero's for end of the entire list (8 bytes)
2857 nvs_xdr_create(nvstream_t
*nvs
, XDR
*xdr
, char *buf
, size_t buflen
)
2859 /* xdr data must be 4 byte aligned */
2860 if ((ulong_t
)buf
% 4 != 0)
2863 switch (nvs
->nvs_op
) {
2865 xdrmem_create(xdr
, buf
, (uint_t
)buflen
, XDR_ENCODE
);
2866 nvs
->nvs_private
= xdr
;
2869 xdrmem_create(xdr
, buf
, (uint_t
)buflen
, XDR_DECODE
);
2870 nvs
->nvs_private
= xdr
;
2872 case NVS_OP_GETSIZE
:
2873 nvs
->nvs_private
= NULL
;
2881 nvs_xdr_destroy(nvstream_t
*nvs
)
2883 switch (nvs
->nvs_op
) {
2886 xdr_destroy((XDR
*)nvs
->nvs_private
);
2894 nvs_xdr_nvlist(nvstream_t
*nvs
, nvlist_t
*nvl
, size_t *size
)
2896 switch (nvs
->nvs_op
) {
2898 case NVS_OP_DECODE
: {
2899 XDR
*xdr
= nvs
->nvs_private
;
2901 if (!xdr_int(xdr
, &nvl
->nvl_version
) ||
2902 !xdr_u_int(xdr
, &nvl
->nvl_nvflag
))
2906 case NVS_OP_GETSIZE
: {
2908 * 2 * 4 for nvl_version + nvl_nvflag
2909 * and 8 for end of the entire list
2921 nvs_xdr_nvl_fini(nvstream_t
*nvs
)
2923 if (nvs
->nvs_op
== NVS_OP_ENCODE
) {
2924 XDR
*xdr
= nvs
->nvs_private
;
2927 if (!xdr_int(xdr
, &zero
) || !xdr_int(xdr
, &zero
))
2935 * The format of xdr encoded nvpair is:
2936 * encode_size, decode_size, name string, data type, nelem, data
2939 nvs_xdr_nvp_op(nvstream_t
*nvs
, nvpair_t
*nvp
)
2943 char *buf_end
= (char *)nvp
+ nvp
->nvp_size
;
2945 uint_t nelem
, buflen
;
2947 XDR
*xdr
= nvs
->nvs_private
;
2949 ASSERT(xdr
!= NULL
&& nvp
!= NULL
);
2952 if ((buf
= NVP_NAME(nvp
)) >= buf_end
)
2954 buflen
= buf_end
- buf
;
2956 if (!xdr_string(xdr
, &buf
, buflen
- 1))
2958 nvp
->nvp_name_sz
= strlen(buf
) + 1;
2960 /* type and nelem */
2961 if (!xdr_int(xdr
, (int *)&nvp
->nvp_type
) ||
2962 !xdr_int(xdr
, &nvp
->nvp_value_elem
))
2965 type
= NVP_TYPE(nvp
);
2966 nelem
= nvp
->nvp_value_elem
;
2969 * Verify type and nelem and get the value size.
2970 * In case of data types DATA_TYPE_STRING and DATA_TYPE_STRING_ARRAY
2971 * is the size of the string(s) excluded.
2973 if ((value_sz
= i_get_value_size(type
, NULL
, nelem
)) < 0)
2976 /* if there is no data to extract then return */
2981 if ((buf
= NVP_VALUE(nvp
)) >= buf_end
)
2983 buflen
= buf_end
- buf
;
2985 if (buflen
< value_sz
)
2989 case DATA_TYPE_NVLIST
:
2990 if (nvs_embedded(nvs
, (void *)buf
) == 0)
2994 case DATA_TYPE_NVLIST_ARRAY
:
2995 if (nvs_embedded_nvl_array(nvs
, nvp
, NULL
) == 0)
2999 case DATA_TYPE_BOOLEAN
:
3003 case DATA_TYPE_BYTE
:
3004 case DATA_TYPE_INT8
:
3005 case DATA_TYPE_UINT8
:
3006 ret
= xdr_char(xdr
, buf
);
3009 case DATA_TYPE_INT16
:
3010 ret
= xdr_short(xdr
, (void *)buf
);
3013 case DATA_TYPE_UINT16
:
3014 ret
= xdr_u_short(xdr
, (void *)buf
);
3017 case DATA_TYPE_BOOLEAN_VALUE
:
3018 case DATA_TYPE_INT32
:
3019 ret
= xdr_int(xdr
, (void *)buf
);
3022 case DATA_TYPE_UINT32
:
3023 ret
= xdr_u_int(xdr
, (void *)buf
);
3026 case DATA_TYPE_INT64
:
3027 ret
= xdr_longlong_t(xdr
, (void *)buf
);
3030 case DATA_TYPE_UINT64
:
3031 ret
= xdr_u_longlong_t(xdr
, (void *)buf
);
3034 case DATA_TYPE_HRTIME
:
3036 * NOTE: must expose the definition of hrtime_t here
3038 ret
= xdr_longlong_t(xdr
, (void *)buf
);
3040 #if !defined(_KERNEL)
3041 case DATA_TYPE_DOUBLE
:
3042 ret
= xdr_double(xdr
, (void *)buf
);
3045 case DATA_TYPE_STRING
:
3046 ret
= xdr_string(xdr
, &buf
, buflen
- 1);
3049 case DATA_TYPE_BYTE_ARRAY
:
3050 ret
= xdr_opaque(xdr
, buf
, nelem
);
3053 case DATA_TYPE_INT8_ARRAY
:
3054 case DATA_TYPE_UINT8_ARRAY
:
3055 ret
= xdr_array(xdr
, &buf
, &nelem
, buflen
, sizeof (int8_t),
3056 (xdrproc_t
)xdr_char
);
3059 case DATA_TYPE_INT16_ARRAY
:
3060 ret
= xdr_array(xdr
, &buf
, &nelem
, buflen
/ sizeof (int16_t),
3061 sizeof (int16_t), (xdrproc_t
)xdr_short
);
3064 case DATA_TYPE_UINT16_ARRAY
:
3065 ret
= xdr_array(xdr
, &buf
, &nelem
, buflen
/ sizeof (uint16_t),
3066 sizeof (uint16_t), (xdrproc_t
)xdr_u_short
);
3069 case DATA_TYPE_BOOLEAN_ARRAY
:
3070 case DATA_TYPE_INT32_ARRAY
:
3071 ret
= xdr_array(xdr
, &buf
, &nelem
, buflen
/ sizeof (int32_t),
3072 sizeof (int32_t), (xdrproc_t
)xdr_int
);
3075 case DATA_TYPE_UINT32_ARRAY
:
3076 ret
= xdr_array(xdr
, &buf
, &nelem
, buflen
/ sizeof (uint32_t),
3077 sizeof (uint32_t), (xdrproc_t
)xdr_u_int
);
3080 case DATA_TYPE_INT64_ARRAY
:
3081 ret
= xdr_array(xdr
, &buf
, &nelem
, buflen
/ sizeof (int64_t),
3082 sizeof (int64_t), (xdrproc_t
)xdr_longlong_t
);
3085 case DATA_TYPE_UINT64_ARRAY
:
3086 ret
= xdr_array(xdr
, &buf
, &nelem
, buflen
/ sizeof (uint64_t),
3087 sizeof (uint64_t), (xdrproc_t
)xdr_u_longlong_t
);
3090 case DATA_TYPE_STRING_ARRAY
: {
3091 size_t len
= nelem
* sizeof (uint64_t);
3092 char **strp
= (void *)buf
;
3095 if (nvs
->nvs_op
== NVS_OP_DECODE
)
3096 bzero(buf
, len
); /* don't trust packed data */
3098 for (i
= 0; i
< nelem
; i
++) {
3105 if (xdr_string(xdr
, &buf
, buflen
- 1) != TRUE
)
3108 if (nvs
->nvs_op
== NVS_OP_DECODE
)
3110 len
= strlen(buf
) + 1;
3119 return (ret
== TRUE
? 0 : EFAULT
);
3123 nvs_xdr_nvp_size(nvstream_t
*nvs
, nvpair_t
*nvp
, size_t *size
)
3125 data_type_t type
= NVP_TYPE(nvp
);
3127 * encode_size + decode_size + name string size + data type + nelem
3128 * where name string size = 4 + NV_ALIGN4(strlen(NVP_NAME(nvp)))
3130 uint64_t nvp_sz
= 4 + 4 + 4 + NV_ALIGN4(strlen(NVP_NAME(nvp
))) + 4 + 4;
3133 case DATA_TYPE_BOOLEAN
:
3136 case DATA_TYPE_BOOLEAN_VALUE
:
3137 case DATA_TYPE_BYTE
:
3138 case DATA_TYPE_INT8
:
3139 case DATA_TYPE_UINT8
:
3140 case DATA_TYPE_INT16
:
3141 case DATA_TYPE_UINT16
:
3142 case DATA_TYPE_INT32
:
3143 case DATA_TYPE_UINT32
:
3144 nvp_sz
+= 4; /* 4 is the minimum xdr unit */
3147 case DATA_TYPE_INT64
:
3148 case DATA_TYPE_UINT64
:
3149 case DATA_TYPE_HRTIME
:
3150 #if !defined(_KERNEL)
3151 case DATA_TYPE_DOUBLE
:
3156 case DATA_TYPE_STRING
:
3157 nvp_sz
+= 4 + NV_ALIGN4(strlen((char *)NVP_VALUE(nvp
)));
3160 case DATA_TYPE_BYTE_ARRAY
:
3161 nvp_sz
+= NV_ALIGN4(NVP_NELEM(nvp
));
3164 case DATA_TYPE_BOOLEAN_ARRAY
:
3165 case DATA_TYPE_INT8_ARRAY
:
3166 case DATA_TYPE_UINT8_ARRAY
:
3167 case DATA_TYPE_INT16_ARRAY
:
3168 case DATA_TYPE_UINT16_ARRAY
:
3169 case DATA_TYPE_INT32_ARRAY
:
3170 case DATA_TYPE_UINT32_ARRAY
:
3171 nvp_sz
+= 4 + 4 * (uint64_t)NVP_NELEM(nvp
);
3174 case DATA_TYPE_INT64_ARRAY
:
3175 case DATA_TYPE_UINT64_ARRAY
:
3176 nvp_sz
+= 4 + 8 * (uint64_t)NVP_NELEM(nvp
);
3179 case DATA_TYPE_STRING_ARRAY
: {
3181 char **strs
= (void *)NVP_VALUE(nvp
);
3183 for (i
= 0; i
< NVP_NELEM(nvp
); i
++)
3184 nvp_sz
+= 4 + NV_ALIGN4(strlen(strs
[i
]));
3189 case DATA_TYPE_NVLIST
:
3190 case DATA_TYPE_NVLIST_ARRAY
: {
3192 int old_nvs_op
= nvs
->nvs_op
;
3195 nvs
->nvs_op
= NVS_OP_GETSIZE
;
3196 if (type
== DATA_TYPE_NVLIST
)
3197 err
= nvs_operation(nvs
, EMBEDDED_NVL(nvp
), &nvsize
);
3199 err
= nvs_embedded_nvl_array(nvs
, nvp
, &nvsize
);
3200 nvs
->nvs_op
= old_nvs_op
;
3213 if (nvp_sz
> INT32_MAX
)
3223 * The NVS_XDR_MAX_LEN macro takes a packed xdr buffer of size x and estimates
3224 * the largest nvpair that could be encoded in the buffer.
3226 * See comments above nvpair_xdr_op() for the format of xdr encoding.
3227 * The size of a xdr packed nvpair without any data is 5 words.
3229 * Using the size of the data directly as an estimate would be ok
3230 * in all cases except one. If the data type is of DATA_TYPE_STRING_ARRAY
3231 * then the actual nvpair has space for an array of pointers to index
3232 * the strings. These pointers are not encoded into the packed xdr buffer.
3234 * If the data is of type DATA_TYPE_STRING_ARRAY and all the strings are
3235 * of length 0, then each string is endcoded in xdr format as a single word.
3236 * Therefore when expanded to an nvpair there will be 2.25 word used for
3237 * each string. (a int64_t allocated for pointer usage, and a single char
3238 * for the null termination.)
3240 * This is the calculation performed by the NVS_XDR_MAX_LEN macro.
3242 #define NVS_XDR_HDR_LEN ((size_t)(5 * 4))
3243 #define NVS_XDR_DATA_LEN(y) (((size_t)(y) <= NVS_XDR_HDR_LEN) ? \
3244 0 : ((size_t)(y) - NVS_XDR_HDR_LEN))
3245 #define NVS_XDR_MAX_LEN(x) (NVP_SIZE_CALC(1, 0) + \
3246 (NVS_XDR_DATA_LEN(x) * 2) + \
3247 NV_ALIGN4((NVS_XDR_DATA_LEN(x) / 4)))
3250 nvs_xdr_nvpair(nvstream_t
*nvs
, nvpair_t
*nvp
, size_t *size
)
3252 XDR
*xdr
= nvs
->nvs_private
;
3253 int32_t encode_len
, decode_len
;
3255 switch (nvs
->nvs_op
) {
3256 case NVS_OP_ENCODE
: {
3259 if (nvs_xdr_nvp_size(nvs
, nvp
, &nvsize
) != 0)
3262 decode_len
= nvp
->nvp_size
;
3263 encode_len
= nvsize
;
3264 if (!xdr_int(xdr
, &encode_len
) || !xdr_int(xdr
, &decode_len
))
3267 return (nvs_xdr_nvp_op(nvs
, nvp
));
3269 case NVS_OP_DECODE
: {
3270 struct xdr_bytesrec bytesrec
;
3272 /* get the encode and decode size */
3273 if (!xdr_int(xdr
, &encode_len
) || !xdr_int(xdr
, &decode_len
))
3277 /* are we at the end of the stream? */
3281 /* sanity check the size parameter */
3282 if (!xdr_control(xdr
, XDR_GET_BYTES_AVAIL
, &bytesrec
))
3285 if (*size
> NVS_XDR_MAX_LEN(bytesrec
.xc_num_avail
))
3296 static const struct nvs_ops nvs_xdr_ops
= {
3297 .nvs_nvlist
= nvs_xdr_nvlist
,
3298 .nvs_nvpair
= nvs_xdr_nvpair
,
3299 .nvs_nvp_op
= nvs_xdr_nvp_op
,
3300 .nvs_nvp_size
= nvs_xdr_nvp_size
,
3301 .nvs_nvl_fini
= nvs_xdr_nvl_fini
3305 nvs_xdr(nvstream_t
*nvs
, nvlist_t
*nvl
, char *buf
, size_t *buflen
)
3310 nvs
->nvs_ops
= &nvs_xdr_ops
;
3312 if ((err
= nvs_xdr_create(nvs
, &xdr
, buf
+ sizeof (nvs_header_t
),
3313 *buflen
- sizeof (nvs_header_t
))) != 0)
3316 err
= nvs_operation(nvs
, nvl
, buflen
);
3318 nvs_xdr_destroy(nvs
);
3323 #if defined(_KERNEL) && defined(HAVE_SPL)
3335 module_init(nvpair_init
);
3336 module_exit(nvpair_fini
);
3338 MODULE_DESCRIPTION("Generic name/value pair implementation");
3339 MODULE_AUTHOR(ZFS_META_AUTHOR
);
3340 MODULE_LICENSE(ZFS_META_LICENSE
);
3341 MODULE_VERSION(ZFS_META_VERSION
"-" ZFS_META_RELEASE
);
3343 EXPORT_SYMBOL(nv_alloc_init
);
3344 EXPORT_SYMBOL(nv_alloc_reset
);
3345 EXPORT_SYMBOL(nv_alloc_fini
);
3347 /* list management */
3348 EXPORT_SYMBOL(nvlist_alloc
);
3349 EXPORT_SYMBOL(nvlist_free
);
3350 EXPORT_SYMBOL(nvlist_size
);
3351 EXPORT_SYMBOL(nvlist_pack
);
3352 EXPORT_SYMBOL(nvlist_unpack
);
3353 EXPORT_SYMBOL(nvlist_dup
);
3354 EXPORT_SYMBOL(nvlist_merge
);
3356 EXPORT_SYMBOL(nvlist_xalloc
);
3357 EXPORT_SYMBOL(nvlist_xpack
);
3358 EXPORT_SYMBOL(nvlist_xunpack
);
3359 EXPORT_SYMBOL(nvlist_xdup
);
3360 EXPORT_SYMBOL(nvlist_lookup_nv_alloc
);
3362 EXPORT_SYMBOL(nvlist_add_nvpair
);
3363 EXPORT_SYMBOL(nvlist_add_boolean
);
3364 EXPORT_SYMBOL(nvlist_add_boolean_value
);
3365 EXPORT_SYMBOL(nvlist_add_byte
);
3366 EXPORT_SYMBOL(nvlist_add_int8
);
3367 EXPORT_SYMBOL(nvlist_add_uint8
);
3368 EXPORT_SYMBOL(nvlist_add_int16
);
3369 EXPORT_SYMBOL(nvlist_add_uint16
);
3370 EXPORT_SYMBOL(nvlist_add_int32
);
3371 EXPORT_SYMBOL(nvlist_add_uint32
);
3372 EXPORT_SYMBOL(nvlist_add_int64
);
3373 EXPORT_SYMBOL(nvlist_add_uint64
);
3374 EXPORT_SYMBOL(nvlist_add_string
);
3375 EXPORT_SYMBOL(nvlist_add_nvlist
);
3376 EXPORT_SYMBOL(nvlist_add_boolean_array
);
3377 EXPORT_SYMBOL(nvlist_add_byte_array
);
3378 EXPORT_SYMBOL(nvlist_add_int8_array
);
3379 EXPORT_SYMBOL(nvlist_add_uint8_array
);
3380 EXPORT_SYMBOL(nvlist_add_int16_array
);
3381 EXPORT_SYMBOL(nvlist_add_uint16_array
);
3382 EXPORT_SYMBOL(nvlist_add_int32_array
);
3383 EXPORT_SYMBOL(nvlist_add_uint32_array
);
3384 EXPORT_SYMBOL(nvlist_add_int64_array
);
3385 EXPORT_SYMBOL(nvlist_add_uint64_array
);
3386 EXPORT_SYMBOL(nvlist_add_string_array
);
3387 EXPORT_SYMBOL(nvlist_add_nvlist_array
);
3388 EXPORT_SYMBOL(nvlist_next_nvpair
);
3389 EXPORT_SYMBOL(nvlist_prev_nvpair
);
3390 EXPORT_SYMBOL(nvlist_empty
);
3391 EXPORT_SYMBOL(nvlist_add_hrtime
);
3393 EXPORT_SYMBOL(nvlist_remove
);
3394 EXPORT_SYMBOL(nvlist_remove_nvpair
);
3395 EXPORT_SYMBOL(nvlist_remove_all
);
3397 EXPORT_SYMBOL(nvlist_lookup_boolean
);
3398 EXPORT_SYMBOL(nvlist_lookup_boolean_value
);
3399 EXPORT_SYMBOL(nvlist_lookup_byte
);
3400 EXPORT_SYMBOL(nvlist_lookup_int8
);
3401 EXPORT_SYMBOL(nvlist_lookup_uint8
);
3402 EXPORT_SYMBOL(nvlist_lookup_int16
);
3403 EXPORT_SYMBOL(nvlist_lookup_uint16
);
3404 EXPORT_SYMBOL(nvlist_lookup_int32
);
3405 EXPORT_SYMBOL(nvlist_lookup_uint32
);
3406 EXPORT_SYMBOL(nvlist_lookup_int64
);
3407 EXPORT_SYMBOL(nvlist_lookup_uint64
);
3408 EXPORT_SYMBOL(nvlist_lookup_string
);
3409 EXPORT_SYMBOL(nvlist_lookup_nvlist
);
3410 EXPORT_SYMBOL(nvlist_lookup_boolean_array
);
3411 EXPORT_SYMBOL(nvlist_lookup_byte_array
);
3412 EXPORT_SYMBOL(nvlist_lookup_int8_array
);
3413 EXPORT_SYMBOL(nvlist_lookup_uint8_array
);
3414 EXPORT_SYMBOL(nvlist_lookup_int16_array
);
3415 EXPORT_SYMBOL(nvlist_lookup_uint16_array
);
3416 EXPORT_SYMBOL(nvlist_lookup_int32_array
);
3417 EXPORT_SYMBOL(nvlist_lookup_uint32_array
);
3418 EXPORT_SYMBOL(nvlist_lookup_int64_array
);
3419 EXPORT_SYMBOL(nvlist_lookup_uint64_array
);
3420 EXPORT_SYMBOL(nvlist_lookup_string_array
);
3421 EXPORT_SYMBOL(nvlist_lookup_nvlist_array
);
3422 EXPORT_SYMBOL(nvlist_lookup_hrtime
);
3423 EXPORT_SYMBOL(nvlist_lookup_pairs
);
3425 EXPORT_SYMBOL(nvlist_lookup_nvpair
);
3426 EXPORT_SYMBOL(nvlist_exists
);
3428 /* processing nvpair */
3429 EXPORT_SYMBOL(nvpair_name
);
3430 EXPORT_SYMBOL(nvpair_type
);
3431 EXPORT_SYMBOL(nvpair_value_boolean_value
);
3432 EXPORT_SYMBOL(nvpair_value_byte
);
3433 EXPORT_SYMBOL(nvpair_value_int8
);
3434 EXPORT_SYMBOL(nvpair_value_uint8
);
3435 EXPORT_SYMBOL(nvpair_value_int16
);
3436 EXPORT_SYMBOL(nvpair_value_uint16
);
3437 EXPORT_SYMBOL(nvpair_value_int32
);
3438 EXPORT_SYMBOL(nvpair_value_uint32
);
3439 EXPORT_SYMBOL(nvpair_value_int64
);
3440 EXPORT_SYMBOL(nvpair_value_uint64
);
3441 EXPORT_SYMBOL(nvpair_value_string
);
3442 EXPORT_SYMBOL(nvpair_value_nvlist
);
3443 EXPORT_SYMBOL(nvpair_value_boolean_array
);
3444 EXPORT_SYMBOL(nvpair_value_byte_array
);
3445 EXPORT_SYMBOL(nvpair_value_int8_array
);
3446 EXPORT_SYMBOL(nvpair_value_uint8_array
);
3447 EXPORT_SYMBOL(nvpair_value_int16_array
);
3448 EXPORT_SYMBOL(nvpair_value_uint16_array
);
3449 EXPORT_SYMBOL(nvpair_value_int32_array
);
3450 EXPORT_SYMBOL(nvpair_value_uint32_array
);
3451 EXPORT_SYMBOL(nvpair_value_int64_array
);
3452 EXPORT_SYMBOL(nvpair_value_uint64_array
);
3453 EXPORT_SYMBOL(nvpair_value_string_array
);
3454 EXPORT_SYMBOL(nvpair_value_nvlist_array
);
3455 EXPORT_SYMBOL(nvpair_value_hrtime
);