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.
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>
35 #if defined(_KERNEL) && !defined(_BOOT)
36 #include <sys/varargs.h>
38 #include <sys/sunddi.h>
47 #define offsetof(s, m) ((size_t)(&(((s *)0)->m)))
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)))
143 nv_alloc_init(nv_alloc_t
*nva
, const nv_alloc_ops_t
*nvo
, /* args */ ...)
151 va_start(valist
, nvo
);
152 if (nva
->nva_ops
->nv_ao_init
!= NULL
)
153 err
= nva
->nva_ops
->nv_ao_init(nva
, valist
);
160 nv_alloc_reset(nv_alloc_t
*nva
)
162 if (nva
->nva_ops
->nv_ao_reset
!= NULL
)
163 nva
->nva_ops
->nv_ao_reset(nva
);
167 nv_alloc_fini(nv_alloc_t
*nva
)
169 if (nva
->nva_ops
->nv_ao_fini
!= NULL
)
170 nva
->nva_ops
->nv_ao_fini(nva
);
174 nvlist_lookup_nv_alloc(nvlist_t
*nvl
)
179 (priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
) == NULL
)
182 return (priv
->nvp_nva
);
186 nv_mem_zalloc(nvpriv_t
*nvp
, size_t size
)
188 nv_alloc_t
*nva
= nvp
->nvp_nva
;
191 if ((buf
= nva
->nva_ops
->nv_ao_alloc(nva
, size
)) != NULL
)
198 nv_mem_free(nvpriv_t
*nvp
, void *buf
, size_t size
)
200 nv_alloc_t
*nva
= nvp
->nvp_nva
;
202 nva
->nva_ops
->nv_ao_free(nva
, buf
, size
);
206 nv_priv_init(nvpriv_t
*priv
, nv_alloc_t
*nva
, uint32_t stat
)
208 bzero(priv
, sizeof (nvpriv_t
));
211 priv
->nvp_stat
= stat
;
215 nv_priv_alloc(nv_alloc_t
*nva
)
220 * nv_mem_alloc() cannot called here because it needs the priv
223 if ((priv
= nva
->nva_ops
->nv_ao_alloc(nva
, sizeof (nvpriv_t
))) == NULL
)
226 nv_priv_init(priv
, nva
, 0);
232 * Embedded lists need their own nvpriv_t's. We create a new
233 * nvpriv_t using the parameters and allocator from the parent
237 nv_priv_alloc_embedded(nvpriv_t
*priv
)
241 if ((emb_priv
= nv_mem_zalloc(priv
, sizeof (nvpriv_t
))) == NULL
)
244 nv_priv_init(emb_priv
, priv
->nvp_nva
, NV_STAT_EMBEDDED
);
250 nvlist_init(nvlist_t
*nvl
, uint32_t nvflag
, nvpriv_t
*priv
)
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
;
260 nvlist_nvflag(nvlist_t
*nvl
)
262 return (nvl
->nvl_nvflag
);
266 * nvlist_alloc - Allocate nvlist.
270 nvlist_alloc(nvlist_t
**nvlp
, uint_t nvflag
, int kmflag
)
272 nv_alloc_t
*nva
= nv_alloc_nosleep
;
274 #if defined(_KERNEL) && !defined(_BOOT)
277 nva
= nv_alloc_sleep
;
280 nva
= nv_alloc_pushpage
;
283 nva
= nv_alloc_nosleep
;
290 return (nvlist_xalloc(nvlp
, nvflag
, nva
));
294 nvlist_xalloc(nvlist_t
**nvlp
, uint_t nvflag
, nv_alloc_t
*nva
)
298 if (nvlp
== NULL
|| nva
== NULL
)
301 if ((priv
= nv_priv_alloc(nva
)) == NULL
)
304 if ((*nvlp
= nv_mem_zalloc(priv
,
305 NV_ALIGN(sizeof (nvlist_t
)))) == NULL
) {
306 nv_mem_free(priv
, priv
, sizeof (nvpriv_t
));
310 nvlist_init(*nvlp
, nvflag
, priv
);
316 * nvp_buf_alloc - Allocate i_nvp_t for storing a new nv pair.
319 nvp_buf_alloc(nvlist_t
*nvl
, size_t len
)
321 nvpriv_t
*priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
;
327 * Allocate the buffer
329 nvsize
= len
+ offsetof(i_nvp_t
, nvi_nvp
);
331 if ((buf
= nv_mem_zalloc(priv
, nvsize
)) == NULL
)
341 * nvp_buf_free - de-Allocate an i_nvp_t.
344 nvp_buf_free(nvlist_t
*nvl
, nvpair_t
*nvp
)
346 nvpriv_t
*priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
;
347 size_t nvsize
= nvp
->nvp_size
+ offsetof(i_nvp_t
, nvi_nvp
);
349 nv_mem_free(priv
, NVPAIR2I_NVP(nvp
), nvsize
);
353 * nvp_buf_link - link a new nv pair into the nvlist.
356 nvp_buf_link(nvlist_t
*nvl
, nvpair_t
*nvp
)
358 nvpriv_t
*priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
;
359 i_nvp_t
*curr
= NVPAIR2I_NVP(nvp
);
361 /* Put element at end of nvlist */
362 if (priv
->nvp_list
== NULL
) {
363 priv
->nvp_list
= priv
->nvp_last
= curr
;
365 curr
->nvi_prev
= priv
->nvp_last
;
366 priv
->nvp_last
->nvi_next
= curr
;
367 priv
->nvp_last
= curr
;
372 * nvp_buf_unlink - unlink an removed nvpair out of the nvlist.
375 nvp_buf_unlink(nvlist_t
*nvl
, nvpair_t
*nvp
)
377 nvpriv_t
*priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
;
378 i_nvp_t
*curr
= NVPAIR2I_NVP(nvp
);
381 * protect nvlist_next_nvpair() against walking on freed memory.
383 if (priv
->nvp_curr
== curr
)
384 priv
->nvp_curr
= curr
->nvi_next
;
386 if (curr
== priv
->nvp_list
)
387 priv
->nvp_list
= curr
->nvi_next
;
389 curr
->nvi_prev
->nvi_next
= curr
->nvi_next
;
391 if (curr
== priv
->nvp_last
)
392 priv
->nvp_last
= curr
->nvi_prev
;
394 curr
->nvi_next
->nvi_prev
= curr
->nvi_prev
;
398 * take a nvpair type and number of elements and make sure the are valid
401 i_validate_type_nelem(data_type_t type
, uint_t nelem
)
404 case DATA_TYPE_BOOLEAN
:
408 case DATA_TYPE_BOOLEAN_VALUE
:
411 case DATA_TYPE_UINT8
:
412 case DATA_TYPE_INT16
:
413 case DATA_TYPE_UINT16
:
414 case DATA_TYPE_INT32
:
415 case DATA_TYPE_UINT32
:
416 case DATA_TYPE_INT64
:
417 case DATA_TYPE_UINT64
:
418 case DATA_TYPE_STRING
:
419 case DATA_TYPE_HRTIME
:
420 case DATA_TYPE_NVLIST
:
421 #if !defined(_KERNEL)
422 case DATA_TYPE_DOUBLE
:
427 case DATA_TYPE_BOOLEAN_ARRAY
:
428 case DATA_TYPE_BYTE_ARRAY
:
429 case DATA_TYPE_INT8_ARRAY
:
430 case DATA_TYPE_UINT8_ARRAY
:
431 case DATA_TYPE_INT16_ARRAY
:
432 case DATA_TYPE_UINT16_ARRAY
:
433 case DATA_TYPE_INT32_ARRAY
:
434 case DATA_TYPE_UINT32_ARRAY
:
435 case DATA_TYPE_INT64_ARRAY
:
436 case DATA_TYPE_UINT64_ARRAY
:
437 case DATA_TYPE_STRING_ARRAY
:
438 case DATA_TYPE_NVLIST_ARRAY
:
439 /* we allow arrays with 0 elements */
448 * Verify nvp_name_sz and check the name string length.
451 i_validate_nvpair_name(nvpair_t
*nvp
)
453 if ((nvp
->nvp_name_sz
<= 0) ||
454 (nvp
->nvp_size
< NVP_SIZE_CALC(nvp
->nvp_name_sz
, 0)))
457 /* verify the name string, make sure its terminated */
458 if (NVP_NAME(nvp
)[nvp
->nvp_name_sz
- 1] != '\0')
461 return (strlen(NVP_NAME(nvp
)) == nvp
->nvp_name_sz
- 1 ? 0 : EFAULT
);
465 i_validate_nvpair_value(data_type_t type
, uint_t nelem
, const void *data
)
468 case DATA_TYPE_BOOLEAN_VALUE
:
469 if (*(boolean_t
*)data
!= B_TRUE
&&
470 *(boolean_t
*)data
!= B_FALSE
)
473 case DATA_TYPE_BOOLEAN_ARRAY
: {
476 for (i
= 0; i
< nelem
; i
++)
477 if (((boolean_t
*)data
)[i
] != B_TRUE
&&
478 ((boolean_t
*)data
)[i
] != B_FALSE
)
490 * This function takes a pointer to what should be a nvpair and it's size
491 * and then verifies that all the nvpair fields make sense and can be
492 * trusted. This function is used when decoding packed nvpairs.
495 i_validate_nvpair(nvpair_t
*nvp
)
497 data_type_t type
= NVP_TYPE(nvp
);
500 /* verify nvp_name_sz, check the name string length */
501 if (i_validate_nvpair_name(nvp
) != 0)
504 if (i_validate_nvpair_value(type
, NVP_NELEM(nvp
), NVP_VALUE(nvp
)) != 0)
508 * verify nvp_type, nvp_value_elem, and also possibly
509 * verify string values and get the value size.
511 size2
= i_get_value_size(type
, NVP_VALUE(nvp
), NVP_NELEM(nvp
));
512 size1
= nvp
->nvp_size
- NVP_VALOFF(nvp
);
513 if (size2
< 0 || size1
!= NV_ALIGN(size2
))
520 nvlist_copy_pairs(nvlist_t
*snvl
, nvlist_t
*dnvl
)
525 if ((priv
= (nvpriv_t
*)(uintptr_t)snvl
->nvl_priv
) == NULL
)
528 for (curr
= priv
->nvp_list
; curr
!= NULL
; curr
= curr
->nvi_next
) {
529 nvpair_t
*nvp
= &curr
->nvi_nvp
;
532 if ((err
= nvlist_add_common(dnvl
, NVP_NAME(nvp
), NVP_TYPE(nvp
),
533 NVP_NELEM(nvp
), NVP_VALUE(nvp
))) != 0)
541 * Frees all memory allocated for an nvpair (like embedded lists) with
542 * the exception of the nvpair buffer itself.
545 nvpair_free(nvpair_t
*nvp
)
547 switch (NVP_TYPE(nvp
)) {
548 case DATA_TYPE_NVLIST
:
549 nvlist_free(EMBEDDED_NVL(nvp
));
551 case DATA_TYPE_NVLIST_ARRAY
: {
552 nvlist_t
**nvlp
= EMBEDDED_NVL_ARRAY(nvp
);
555 for (i
= 0; i
< NVP_NELEM(nvp
); i
++)
557 nvlist_free(nvlp
[i
]);
566 * nvlist_free - free an unpacked nvlist
569 nvlist_free(nvlist_t
*nvl
)
575 (priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
) == NULL
)
579 * Unpacked nvlist are linked through i_nvp_t
581 curr
= priv
->nvp_list
;
582 while (curr
!= NULL
) {
583 nvpair_t
*nvp
= &curr
->nvi_nvp
;
584 curr
= curr
->nvi_next
;
587 nvp_buf_free(nvl
, nvp
);
590 if (!(priv
->nvp_stat
& NV_STAT_EMBEDDED
))
591 nv_mem_free(priv
, nvl
, NV_ALIGN(sizeof (nvlist_t
)));
595 nv_mem_free(priv
, priv
, sizeof (nvpriv_t
));
599 nvlist_contains_nvp(nvlist_t
*nvl
, nvpair_t
*nvp
)
601 nvpriv_t
*priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
;
607 for (curr
= priv
->nvp_list
; curr
!= NULL
; curr
= curr
->nvi_next
)
608 if (&curr
->nvi_nvp
== nvp
)
615 * Make a copy of nvlist
619 nvlist_dup(nvlist_t
*nvl
, nvlist_t
**nvlp
, int kmflag
)
621 #if defined(_KERNEL) && !defined(_BOOT)
622 return (nvlist_xdup(nvl
, nvlp
,
623 (kmflag
== KM_SLEEP
? nv_alloc_sleep
: nv_alloc_nosleep
)));
625 return (nvlist_xdup(nvl
, nvlp
, nv_alloc_nosleep
));
630 nvlist_xdup(nvlist_t
*nvl
, nvlist_t
**nvlp
, nv_alloc_t
*nva
)
635 if (nvl
== NULL
|| nvlp
== NULL
)
638 if ((err
= nvlist_xalloc(&ret
, nvl
->nvl_nvflag
, nva
)) != 0)
641 if ((err
= nvlist_copy_pairs(nvl
, ret
)) != 0)
650 * Remove all with matching name
653 nvlist_remove_all(nvlist_t
*nvl
, const char *name
)
659 if (nvl
== NULL
|| name
== NULL
||
660 (priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
) == NULL
)
663 curr
= priv
->nvp_list
;
664 while (curr
!= NULL
) {
665 nvpair_t
*nvp
= &curr
->nvi_nvp
;
667 curr
= curr
->nvi_next
;
668 if (strcmp(name
, NVP_NAME(nvp
)) != 0)
671 nvp_buf_unlink(nvl
, nvp
);
673 nvp_buf_free(nvl
, nvp
);
682 * Remove first one with matching name and type
685 nvlist_remove(nvlist_t
*nvl
, const char *name
, data_type_t type
)
690 if (nvl
== NULL
|| name
== NULL
||
691 (priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
) == NULL
)
694 curr
= priv
->nvp_list
;
695 while (curr
!= NULL
) {
696 nvpair_t
*nvp
= &curr
->nvi_nvp
;
698 if (strcmp(name
, NVP_NAME(nvp
)) == 0 && NVP_TYPE(nvp
) == type
) {
699 nvp_buf_unlink(nvl
, nvp
);
701 nvp_buf_free(nvl
, nvp
);
705 curr
= curr
->nvi_next
;
712 nvlist_remove_nvpair(nvlist_t
*nvl
, nvpair_t
*nvp
)
714 if (nvl
== NULL
|| nvp
== NULL
)
717 nvp_buf_unlink(nvl
, nvp
);
719 nvp_buf_free(nvl
, nvp
);
724 * This function calculates the size of an nvpair value.
726 * The data argument controls the behavior in case of the data types
727 * DATA_TYPE_STRING and
728 * DATA_TYPE_STRING_ARRAY
729 * Is data == NULL then the size of the string(s) is excluded.
732 i_get_value_size(data_type_t type
, const void *data
, uint_t nelem
)
736 if (i_validate_type_nelem(type
, nelem
) != 0)
739 /* Calculate required size for holding value */
741 case DATA_TYPE_BOOLEAN
:
744 case DATA_TYPE_BOOLEAN_VALUE
:
745 value_sz
= sizeof (boolean_t
);
748 value_sz
= sizeof (uchar_t
);
751 value_sz
= sizeof (int8_t);
753 case DATA_TYPE_UINT8
:
754 value_sz
= sizeof (uint8_t);
756 case DATA_TYPE_INT16
:
757 value_sz
= sizeof (int16_t);
759 case DATA_TYPE_UINT16
:
760 value_sz
= sizeof (uint16_t);
762 case DATA_TYPE_INT32
:
763 value_sz
= sizeof (int32_t);
765 case DATA_TYPE_UINT32
:
766 value_sz
= sizeof (uint32_t);
768 case DATA_TYPE_INT64
:
769 value_sz
= sizeof (int64_t);
771 case DATA_TYPE_UINT64
:
772 value_sz
= sizeof (uint64_t);
774 #if !defined(_KERNEL)
775 case DATA_TYPE_DOUBLE
:
776 value_sz
= sizeof (double);
779 case DATA_TYPE_STRING
:
783 value_sz
= strlen(data
) + 1;
785 case DATA_TYPE_BOOLEAN_ARRAY
:
786 value_sz
= (uint64_t)nelem
* sizeof (boolean_t
);
788 case DATA_TYPE_BYTE_ARRAY
:
789 value_sz
= (uint64_t)nelem
* sizeof (uchar_t
);
791 case DATA_TYPE_INT8_ARRAY
:
792 value_sz
= (uint64_t)nelem
* sizeof (int8_t);
794 case DATA_TYPE_UINT8_ARRAY
:
795 value_sz
= (uint64_t)nelem
* sizeof (uint8_t);
797 case DATA_TYPE_INT16_ARRAY
:
798 value_sz
= (uint64_t)nelem
* sizeof (int16_t);
800 case DATA_TYPE_UINT16_ARRAY
:
801 value_sz
= (uint64_t)nelem
* sizeof (uint16_t);
803 case DATA_TYPE_INT32_ARRAY
:
804 value_sz
= (uint64_t)nelem
* sizeof (int32_t);
806 case DATA_TYPE_UINT32_ARRAY
:
807 value_sz
= (uint64_t)nelem
* sizeof (uint32_t);
809 case DATA_TYPE_INT64_ARRAY
:
810 value_sz
= (uint64_t)nelem
* sizeof (int64_t);
812 case DATA_TYPE_UINT64_ARRAY
:
813 value_sz
= (uint64_t)nelem
* sizeof (uint64_t);
815 case DATA_TYPE_STRING_ARRAY
:
816 value_sz
= (uint64_t)nelem
* sizeof (uint64_t);
819 char *const *strs
= data
;
822 /* no alignment requirement for strings */
823 for (i
= 0; i
< nelem
; i
++) {
826 value_sz
+= strlen(strs
[i
]) + 1;
830 case DATA_TYPE_HRTIME
:
831 value_sz
= sizeof (hrtime_t
);
833 case DATA_TYPE_NVLIST
:
834 value_sz
= NV_ALIGN(sizeof (nvlist_t
));
836 case DATA_TYPE_NVLIST_ARRAY
:
837 value_sz
= (uint64_t)nelem
* sizeof (uint64_t) +
838 (uint64_t)nelem
* NV_ALIGN(sizeof (nvlist_t
));
844 return (value_sz
> INT32_MAX
? -1 : (int)value_sz
);
848 nvlist_copy_embedded(nvlist_t
*nvl
, nvlist_t
*onvl
, nvlist_t
*emb_nvl
)
853 if ((priv
= nv_priv_alloc_embedded((nvpriv_t
*)(uintptr_t)
854 nvl
->nvl_priv
)) == NULL
)
857 nvlist_init(emb_nvl
, onvl
->nvl_nvflag
, priv
);
859 if ((err
= nvlist_copy_pairs(onvl
, emb_nvl
)) != 0) {
860 nvlist_free(emb_nvl
);
861 emb_nvl
->nvl_priv
= 0;
868 * nvlist_add_common - Add new <name,value> pair to nvlist
871 nvlist_add_common(nvlist_t
*nvl
, const char *name
,
872 data_type_t type
, uint_t nelem
, const void *data
)
877 int nvp_sz
, name_sz
, value_sz
;
880 if (name
== NULL
|| nvl
== NULL
|| nvl
->nvl_priv
== 0)
883 if (nelem
!= 0 && data
== NULL
)
887 * Verify type and nelem and get the value size.
888 * In case of data types DATA_TYPE_STRING and DATA_TYPE_STRING_ARRAY
889 * is the size of the string(s) included.
891 if ((value_sz
= i_get_value_size(type
, data
, nelem
)) < 0)
894 if (i_validate_nvpair_value(type
, nelem
, data
) != 0)
898 * If we're adding an nvlist or nvlist array, ensure that we are not
899 * adding the input nvlist to itself, which would cause recursion,
900 * and ensure that no NULL nvlist pointers are present.
903 case DATA_TYPE_NVLIST
:
904 if (data
== nvl
|| data
== NULL
)
907 case DATA_TYPE_NVLIST_ARRAY
: {
908 nvlist_t
**onvlp
= (nvlist_t
**)data
;
909 for (i
= 0; i
< nelem
; i
++) {
910 if (onvlp
[i
] == nvl
|| onvlp
[i
] == NULL
)
919 /* calculate sizes of the nvpair elements and the nvpair itself */
920 name_sz
= strlen(name
) + 1;
922 nvp_sz
= NVP_SIZE_CALC(name_sz
, value_sz
);
924 if ((nvp
= nvp_buf_alloc(nvl
, nvp_sz
)) == NULL
)
927 ASSERT(nvp
->nvp_size
== nvp_sz
);
928 nvp
->nvp_name_sz
= name_sz
;
929 nvp
->nvp_value_elem
= nelem
;
930 nvp
->nvp_type
= type
;
931 bcopy(name
, NVP_NAME(nvp
), name_sz
);
934 case DATA_TYPE_BOOLEAN
:
936 case DATA_TYPE_STRING_ARRAY
: {
937 char *const *strs
= data
;
938 char *buf
= NVP_VALUE(nvp
);
939 char **cstrs
= (void *)buf
;
941 /* skip pre-allocated space for pointer array */
942 buf
+= nelem
* sizeof (uint64_t);
943 for (i
= 0; i
< nelem
; i
++) {
944 int slen
= strlen(strs
[i
]) + 1;
945 bcopy(strs
[i
], buf
, slen
);
951 case DATA_TYPE_NVLIST
: {
952 nvlist_t
*nnvl
= EMBEDDED_NVL(nvp
);
953 nvlist_t
*onvl
= (nvlist_t
*)data
;
955 if ((err
= nvlist_copy_embedded(nvl
, onvl
, nnvl
)) != 0) {
956 nvp_buf_free(nvl
, nvp
);
961 case DATA_TYPE_NVLIST_ARRAY
: {
962 nvlist_t
**onvlp
= (nvlist_t
**)data
;
963 nvlist_t
**nvlp
= EMBEDDED_NVL_ARRAY(nvp
);
964 nvlist_t
*embedded
= (nvlist_t
*)
965 ((uintptr_t)nvlp
+ nelem
* sizeof (uint64_t));
967 for (i
= 0; i
< nelem
; i
++) {
968 if ((err
= nvlist_copy_embedded(nvl
,
969 onvlp
[i
], embedded
)) != 0) {
971 * Free any successfully created lists
974 nvp_buf_free(nvl
, nvp
);
978 nvlp
[i
] = embedded
++;
983 bcopy(data
, NVP_VALUE(nvp
), value_sz
);
986 /* if unique name, remove before add */
987 if (nvl
->nvl_nvflag
& NV_UNIQUE_NAME
)
988 (void) nvlist_remove_all(nvl
, name
);
989 else if (nvl
->nvl_nvflag
& NV_UNIQUE_NAME_TYPE
)
990 (void) nvlist_remove(nvl
, name
, type
);
992 nvp_buf_link(nvl
, nvp
);
998 nvlist_add_boolean(nvlist_t
*nvl
, const char *name
)
1000 return (nvlist_add_common(nvl
, name
, DATA_TYPE_BOOLEAN
, 0, NULL
));
1004 nvlist_add_boolean_value(nvlist_t
*nvl
, const char *name
, boolean_t val
)
1006 return (nvlist_add_common(nvl
, name
, DATA_TYPE_BOOLEAN_VALUE
, 1, &val
));
1010 nvlist_add_byte(nvlist_t
*nvl
, const char *name
, uchar_t val
)
1012 return (nvlist_add_common(nvl
, name
, DATA_TYPE_BYTE
, 1, &val
));
1016 nvlist_add_int8(nvlist_t
*nvl
, const char *name
, int8_t val
)
1018 return (nvlist_add_common(nvl
, name
, DATA_TYPE_INT8
, 1, &val
));
1022 nvlist_add_uint8(nvlist_t
*nvl
, const char *name
, uint8_t val
)
1024 return (nvlist_add_common(nvl
, name
, DATA_TYPE_UINT8
, 1, &val
));
1028 nvlist_add_int16(nvlist_t
*nvl
, const char *name
, int16_t val
)
1030 return (nvlist_add_common(nvl
, name
, DATA_TYPE_INT16
, 1, &val
));
1034 nvlist_add_uint16(nvlist_t
*nvl
, const char *name
, uint16_t val
)
1036 return (nvlist_add_common(nvl
, name
, DATA_TYPE_UINT16
, 1, &val
));
1040 nvlist_add_int32(nvlist_t
*nvl
, const char *name
, int32_t val
)
1042 return (nvlist_add_common(nvl
, name
, DATA_TYPE_INT32
, 1, &val
));
1046 nvlist_add_uint32(nvlist_t
*nvl
, const char *name
, uint32_t val
)
1048 return (nvlist_add_common(nvl
, name
, DATA_TYPE_UINT32
, 1, &val
));
1052 nvlist_add_int64(nvlist_t
*nvl
, const char *name
, int64_t val
)
1054 return (nvlist_add_common(nvl
, name
, DATA_TYPE_INT64
, 1, &val
));
1058 nvlist_add_uint64(nvlist_t
*nvl
, const char *name
, uint64_t val
)
1060 return (nvlist_add_common(nvl
, name
, DATA_TYPE_UINT64
, 1, &val
));
1063 #if !defined(_KERNEL)
1065 nvlist_add_double(nvlist_t
*nvl
, const char *name
, double val
)
1067 return (nvlist_add_common(nvl
, name
, DATA_TYPE_DOUBLE
, 1, &val
));
1072 nvlist_add_string(nvlist_t
*nvl
, const char *name
, const char *val
)
1074 return (nvlist_add_common(nvl
, name
, DATA_TYPE_STRING
, 1, (void *)val
));
1078 nvlist_add_boolean_array(nvlist_t
*nvl
, const char *name
,
1079 boolean_t
*a
, uint_t n
)
1081 return (nvlist_add_common(nvl
, name
, DATA_TYPE_BOOLEAN_ARRAY
, n
, a
));
1085 nvlist_add_byte_array(nvlist_t
*nvl
, const char *name
, uchar_t
*a
, uint_t n
)
1087 return (nvlist_add_common(nvl
, name
, DATA_TYPE_BYTE_ARRAY
, n
, a
));
1091 nvlist_add_int8_array(nvlist_t
*nvl
, const char *name
, int8_t *a
, uint_t n
)
1093 return (nvlist_add_common(nvl
, name
, DATA_TYPE_INT8_ARRAY
, n
, a
));
1097 nvlist_add_uint8_array(nvlist_t
*nvl
, const char *name
, uint8_t *a
, uint_t n
)
1099 return (nvlist_add_common(nvl
, name
, DATA_TYPE_UINT8_ARRAY
, n
, a
));
1103 nvlist_add_int16_array(nvlist_t
*nvl
, const char *name
, int16_t *a
, uint_t n
)
1105 return (nvlist_add_common(nvl
, name
, DATA_TYPE_INT16_ARRAY
, n
, a
));
1109 nvlist_add_uint16_array(nvlist_t
*nvl
, const char *name
, uint16_t *a
, uint_t n
)
1111 return (nvlist_add_common(nvl
, name
, DATA_TYPE_UINT16_ARRAY
, n
, a
));
1115 nvlist_add_int32_array(nvlist_t
*nvl
, const char *name
, int32_t *a
, uint_t n
)
1117 return (nvlist_add_common(nvl
, name
, DATA_TYPE_INT32_ARRAY
, n
, a
));
1121 nvlist_add_uint32_array(nvlist_t
*nvl
, const char *name
, uint32_t *a
, uint_t n
)
1123 return (nvlist_add_common(nvl
, name
, DATA_TYPE_UINT32_ARRAY
, n
, a
));
1127 nvlist_add_int64_array(nvlist_t
*nvl
, const char *name
, int64_t *a
, uint_t n
)
1129 return (nvlist_add_common(nvl
, name
, DATA_TYPE_INT64_ARRAY
, n
, a
));
1133 nvlist_add_uint64_array(nvlist_t
*nvl
, const char *name
, uint64_t *a
, uint_t n
)
1135 return (nvlist_add_common(nvl
, name
, DATA_TYPE_UINT64_ARRAY
, n
, a
));
1139 nvlist_add_string_array(nvlist_t
*nvl
, const char *name
,
1140 char *const *a
, uint_t n
)
1142 return (nvlist_add_common(nvl
, name
, DATA_TYPE_STRING_ARRAY
, n
, a
));
1146 nvlist_add_hrtime(nvlist_t
*nvl
, const char *name
, hrtime_t val
)
1148 return (nvlist_add_common(nvl
, name
, DATA_TYPE_HRTIME
, 1, &val
));
1152 nvlist_add_nvlist(nvlist_t
*nvl
, const char *name
, nvlist_t
*val
)
1154 return (nvlist_add_common(nvl
, name
, DATA_TYPE_NVLIST
, 1, val
));
1158 nvlist_add_nvlist_array(nvlist_t
*nvl
, const char *name
, nvlist_t
**a
, uint_t n
)
1160 return (nvlist_add_common(nvl
, name
, DATA_TYPE_NVLIST_ARRAY
, n
, a
));
1163 /* reading name-value pairs */
1165 nvlist_next_nvpair(nvlist_t
*nvl
, nvpair_t
*nvp
)
1171 (priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
) == NULL
)
1174 curr
= NVPAIR2I_NVP(nvp
);
1177 * Ensure that nvp is a valid nvpair on this nvlist.
1178 * NB: nvp_curr is used only as a hint so that we don't always
1179 * have to walk the list to determine if nvp is still on the list.
1182 curr
= priv
->nvp_list
;
1183 else if (priv
->nvp_curr
== curr
|| nvlist_contains_nvp(nvl
, nvp
))
1184 curr
= curr
->nvi_next
;
1188 priv
->nvp_curr
= curr
;
1190 return (curr
!= NULL
? &curr
->nvi_nvp
: NULL
);
1194 nvlist_prev_nvpair(nvlist_t
*nvl
, nvpair_t
*nvp
)
1200 (priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
) == NULL
)
1203 curr
= NVPAIR2I_NVP(nvp
);
1206 curr
= priv
->nvp_last
;
1207 else if (priv
->nvp_curr
== curr
|| nvlist_contains_nvp(nvl
, nvp
))
1208 curr
= curr
->nvi_prev
;
1212 priv
->nvp_curr
= curr
;
1214 return (curr
!= NULL
? &curr
->nvi_nvp
: NULL
);
1218 nvlist_empty(nvlist_t
*nvl
)
1223 (priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
) == NULL
)
1226 return (priv
->nvp_list
== NULL
);
1230 nvpair_name(nvpair_t
*nvp
)
1232 return (NVP_NAME(nvp
));
1236 nvpair_type(nvpair_t
*nvp
)
1238 return (NVP_TYPE(nvp
));
1242 nvpair_type_is_array(nvpair_t
*nvp
)
1244 data_type_t type
= NVP_TYPE(nvp
);
1246 if ((type
== DATA_TYPE_BYTE_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
)
1265 if (nvp
== NULL
|| nvpair_type(nvp
) != type
)
1269 * For non-array types, we copy the data.
1270 * For array types (including string), we set a pointer.
1273 case DATA_TYPE_BOOLEAN
:
1278 case DATA_TYPE_BOOLEAN_VALUE
:
1279 case DATA_TYPE_BYTE
:
1280 case DATA_TYPE_INT8
:
1281 case DATA_TYPE_UINT8
:
1282 case DATA_TYPE_INT16
:
1283 case DATA_TYPE_UINT16
:
1284 case DATA_TYPE_INT32
:
1285 case DATA_TYPE_UINT32
:
1286 case DATA_TYPE_INT64
:
1287 case DATA_TYPE_UINT64
:
1288 case DATA_TYPE_HRTIME
:
1289 #if !defined(_KERNEL)
1290 case DATA_TYPE_DOUBLE
:
1294 bcopy(NVP_VALUE(nvp
), data
,
1295 (size_t)i_get_value_size(type
, NULL
, 1));
1300 case DATA_TYPE_NVLIST
:
1301 case DATA_TYPE_STRING
:
1304 *(void **)data
= (void *)NVP_VALUE(nvp
);
1309 case DATA_TYPE_BOOLEAN_ARRAY
:
1310 case DATA_TYPE_BYTE_ARRAY
:
1311 case DATA_TYPE_INT8_ARRAY
:
1312 case DATA_TYPE_UINT8_ARRAY
:
1313 case DATA_TYPE_INT16_ARRAY
:
1314 case DATA_TYPE_UINT16_ARRAY
:
1315 case DATA_TYPE_INT32_ARRAY
:
1316 case DATA_TYPE_UINT32_ARRAY
:
1317 case DATA_TYPE_INT64_ARRAY
:
1318 case DATA_TYPE_UINT64_ARRAY
:
1319 case DATA_TYPE_STRING_ARRAY
:
1320 case DATA_TYPE_NVLIST_ARRAY
:
1321 if (nelem
== NULL
|| data
== NULL
)
1323 if ((*nelem
= NVP_NELEM(nvp
)) != 0)
1324 *(void **)data
= (void *)NVP_VALUE(nvp
);
1326 *(void **)data
= NULL
;
1337 nvlist_lookup_common(nvlist_t
*nvl
, const char *name
, data_type_t type
,
1338 uint_t
*nelem
, void *data
)
1344 if (name
== NULL
|| nvl
== NULL
||
1345 (priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
) == NULL
)
1348 if (!(nvl
->nvl_nvflag
& (NV_UNIQUE_NAME
| NV_UNIQUE_NAME_TYPE
)))
1351 for (curr
= priv
->nvp_list
; curr
!= NULL
; curr
= curr
->nvi_next
) {
1352 nvp
= &curr
->nvi_nvp
;
1354 if (strcmp(name
, NVP_NAME(nvp
)) == 0 && NVP_TYPE(nvp
) == type
)
1355 return (nvpair_value_common(nvp
, type
, nelem
, data
));
1362 nvlist_lookup_boolean(nvlist_t
*nvl
, const char *name
)
1364 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_BOOLEAN
, NULL
, NULL
));
1368 nvlist_lookup_boolean_value(nvlist_t
*nvl
, const char *name
, boolean_t
*val
)
1370 return (nvlist_lookup_common(nvl
, name
,
1371 DATA_TYPE_BOOLEAN_VALUE
, NULL
, val
));
1375 nvlist_lookup_byte(nvlist_t
*nvl
, const char *name
, uchar_t
*val
)
1377 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_BYTE
, NULL
, val
));
1381 nvlist_lookup_int8(nvlist_t
*nvl
, const char *name
, int8_t *val
)
1383 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_INT8
, NULL
, val
));
1387 nvlist_lookup_uint8(nvlist_t
*nvl
, const char *name
, uint8_t *val
)
1389 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_UINT8
, NULL
, val
));
1393 nvlist_lookup_int16(nvlist_t
*nvl
, const char *name
, int16_t *val
)
1395 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_INT16
, NULL
, val
));
1399 nvlist_lookup_uint16(nvlist_t
*nvl
, const char *name
, uint16_t *val
)
1401 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_UINT16
, NULL
, val
));
1405 nvlist_lookup_int32(nvlist_t
*nvl
, const char *name
, int32_t *val
)
1407 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_INT32
, NULL
, val
));
1411 nvlist_lookup_uint32(nvlist_t
*nvl
, const char *name
, uint32_t *val
)
1413 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_UINT32
, NULL
, val
));
1417 nvlist_lookup_int64(nvlist_t
*nvl
, const char *name
, int64_t *val
)
1419 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_INT64
, NULL
, val
));
1423 nvlist_lookup_uint64(nvlist_t
*nvl
, const char *name
, uint64_t *val
)
1425 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_UINT64
, NULL
, val
));
1428 #if !defined(_KERNEL)
1430 nvlist_lookup_double(nvlist_t
*nvl
, const char *name
, double *val
)
1432 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_DOUBLE
, NULL
, val
));
1437 nvlist_lookup_string(nvlist_t
*nvl
, const char *name
, char **val
)
1439 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_STRING
, NULL
, val
));
1443 nvlist_lookup_nvlist(nvlist_t
*nvl
, const char *name
, nvlist_t
**val
)
1445 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_NVLIST
, NULL
, val
));
1449 nvlist_lookup_boolean_array(nvlist_t
*nvl
, const char *name
,
1450 boolean_t
**a
, uint_t
*n
)
1452 return (nvlist_lookup_common(nvl
, name
,
1453 DATA_TYPE_BOOLEAN_ARRAY
, n
, a
));
1457 nvlist_lookup_byte_array(nvlist_t
*nvl
, const char *name
,
1458 uchar_t
**a
, uint_t
*n
)
1460 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_BYTE_ARRAY
, n
, a
));
1464 nvlist_lookup_int8_array(nvlist_t
*nvl
, const char *name
, int8_t **a
, uint_t
*n
)
1466 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_INT8_ARRAY
, n
, a
));
1470 nvlist_lookup_uint8_array(nvlist_t
*nvl
, const char *name
,
1471 uint8_t **a
, uint_t
*n
)
1473 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_UINT8_ARRAY
, n
, a
));
1477 nvlist_lookup_int16_array(nvlist_t
*nvl
, const char *name
,
1478 int16_t **a
, uint_t
*n
)
1480 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_INT16_ARRAY
, n
, a
));
1484 nvlist_lookup_uint16_array(nvlist_t
*nvl
, const char *name
,
1485 uint16_t **a
, uint_t
*n
)
1487 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_UINT16_ARRAY
, n
, a
));
1491 nvlist_lookup_int32_array(nvlist_t
*nvl
, const char *name
,
1492 int32_t **a
, uint_t
*n
)
1494 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_INT32_ARRAY
, n
, a
));
1498 nvlist_lookup_uint32_array(nvlist_t
*nvl
, const char *name
,
1499 uint32_t **a
, uint_t
*n
)
1501 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_UINT32_ARRAY
, n
, a
));
1505 nvlist_lookup_int64_array(nvlist_t
*nvl
, const char *name
,
1506 int64_t **a
, uint_t
*n
)
1508 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_INT64_ARRAY
, n
, a
));
1512 nvlist_lookup_uint64_array(nvlist_t
*nvl
, const char *name
,
1513 uint64_t **a
, uint_t
*n
)
1515 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_UINT64_ARRAY
, n
, a
));
1519 nvlist_lookup_string_array(nvlist_t
*nvl
, const char *name
,
1520 char ***a
, uint_t
*n
)
1522 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_STRING_ARRAY
, n
, a
));
1526 nvlist_lookup_nvlist_array(nvlist_t
*nvl
, const char *name
,
1527 nvlist_t
***a
, uint_t
*n
)
1529 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_NVLIST_ARRAY
, n
, a
));
1533 nvlist_lookup_hrtime(nvlist_t
*nvl
, const char *name
, hrtime_t
*val
)
1535 return (nvlist_lookup_common(nvl
, name
, DATA_TYPE_HRTIME
, NULL
, val
));
1539 nvlist_lookup_pairs(nvlist_t
*nvl
, int flag
, ...)
1543 int noentok
= (flag
& NV_FLAG_NOENTOK
? 1 : 0);
1547 while (ret
== 0 && (name
= va_arg(ap
, char *)) != NULL
) {
1552 switch (type
= va_arg(ap
, data_type_t
)) {
1553 case DATA_TYPE_BOOLEAN
:
1554 ret
= nvlist_lookup_common(nvl
, name
, type
, NULL
, NULL
);
1557 case DATA_TYPE_BOOLEAN_VALUE
:
1558 case DATA_TYPE_BYTE
:
1559 case DATA_TYPE_INT8
:
1560 case DATA_TYPE_UINT8
:
1561 case DATA_TYPE_INT16
:
1562 case DATA_TYPE_UINT16
:
1563 case DATA_TYPE_INT32
:
1564 case DATA_TYPE_UINT32
:
1565 case DATA_TYPE_INT64
:
1566 case DATA_TYPE_UINT64
:
1567 case DATA_TYPE_HRTIME
:
1568 case DATA_TYPE_STRING
:
1569 case DATA_TYPE_NVLIST
:
1570 #if !defined(_KERNEL)
1571 case DATA_TYPE_DOUBLE
:
1573 val
= va_arg(ap
, void *);
1574 ret
= nvlist_lookup_common(nvl
, name
, type
, NULL
, val
);
1577 case DATA_TYPE_BYTE_ARRAY
:
1578 case DATA_TYPE_BOOLEAN_ARRAY
:
1579 case DATA_TYPE_INT8_ARRAY
:
1580 case DATA_TYPE_UINT8_ARRAY
:
1581 case DATA_TYPE_INT16_ARRAY
:
1582 case DATA_TYPE_UINT16_ARRAY
:
1583 case DATA_TYPE_INT32_ARRAY
:
1584 case DATA_TYPE_UINT32_ARRAY
:
1585 case DATA_TYPE_INT64_ARRAY
:
1586 case DATA_TYPE_UINT64_ARRAY
:
1587 case DATA_TYPE_STRING_ARRAY
:
1588 case DATA_TYPE_NVLIST_ARRAY
:
1589 val
= va_arg(ap
, void *);
1590 nelem
= va_arg(ap
, uint_t
*);
1591 ret
= nvlist_lookup_common(nvl
, name
, type
, nelem
, val
);
1598 if (ret
== ENOENT
&& noentok
)
1607 * Find the 'name'ed nvpair in the nvlist 'nvl'. If 'name' found, the function
1608 * returns zero and a pointer to the matching nvpair is returned in '*ret'
1609 * (given 'ret' is non-NULL). If 'sep' is specified then 'name' will penitrate
1610 * multiple levels of embedded nvlists, with 'sep' as the separator. As an
1611 * example, if sep is '.', name might look like: "a" or "a.b" or "a.c[3]" or
1612 * "a.d[3].e[1]". This matches the C syntax for array embed (for convience,
1613 * code also supports "a.d[3]e[1]" syntax).
1615 * If 'ip' is non-NULL and the last name component is an array, return the
1616 * value of the "...[index]" array index in *ip. For an array reference that
1617 * is not indexed, *ip will be returned as -1. If there is a syntax error in
1618 * 'name', and 'ep' is non-NULL then *ep will be set to point to the location
1619 * inside the 'name' string where the syntax error was detected.
1622 nvlist_lookup_nvpair_ei_sep(nvlist_t
*nvl
, const char *name
, const char sep
,
1623 nvpair_t
**ret
, int *ip
, char **ep
)
1634 *ip
= -1; /* not indexed */
1638 if ((nvl
== NULL
) || (name
== NULL
))
1641 /* step through components of name */
1642 for (np
= name
; np
&& *np
; np
= sepp
) {
1643 /* ensure unique names */
1644 if (!(nvl
->nvl_nvflag
& NV_UNIQUE_NAME
))
1647 /* skip white space */
1648 skip_whitespace(np
);
1652 /* set 'sepp' to end of current component 'np' */
1654 sepp
= strchr(np
, sep
);
1658 /* find start of next "[ index ]..." */
1659 idxp
= strchr(np
, '[');
1661 /* if sepp comes first, set idxp to NULL */
1662 if (sepp
&& idxp
&& (sepp
< idxp
))
1666 * At this point 'idxp' is set if there is an index
1667 * expected for the current component.
1670 /* set 'n' to length of current 'np' name component */
1673 /* keep sepp up to date for *ep use as we advance */
1674 skip_whitespace(idxp
);
1677 /* determine the index value */
1678 #if defined(_KERNEL) && !defined(_BOOT)
1679 if (ddi_strtol(idxp
, &idxep
, 0, &idx
))
1682 idx
= strtol(idxp
, &idxep
, 0);
1687 /* keep sepp up to date for *ep use as we advance */
1690 /* skip white space index value and check for ']' */
1691 skip_whitespace(sepp
);
1695 /* for embedded arrays, support C syntax: "a[1].b" */
1696 skip_whitespace(sepp
);
1697 if (sep
&& (*sepp
== sep
))
1705 /* trim trailing whitespace by reducing length of 'np' */
1708 for (n
--; (np
[n
] == ' ') || (np
[n
] == '\t'); n
--)
1712 /* skip whitespace, and set sepp to NULL if complete */
1714 skip_whitespace(sepp
);
1721 * o 'n' is the length of current 'np' component.
1722 * o 'idxp' is set if there was an index, and value 'idx'.
1723 * o 'sepp' is set to the beginning of the next component,
1724 * and set to NULL if we have no more components.
1726 * Search for nvpair with matching component name.
1728 for (nvp
= nvlist_next_nvpair(nvl
, NULL
); nvp
!= NULL
;
1729 nvp
= nvlist_next_nvpair(nvl
, nvp
)) {
1731 /* continue if no match on name */
1732 if (strncmp(np
, nvpair_name(nvp
), n
) ||
1733 (strlen(nvpair_name(nvp
)) != n
))
1736 /* if indexed, verify type is array oriented */
1737 if (idxp
&& !nvpair_type_is_array(nvp
))
1741 * Full match found, return nvp and idx if this
1742 * was the last component.
1748 *ip
= (int)idx
; /* return index */
1749 return (0); /* found */
1753 * More components: current match must be
1754 * of DATA_TYPE_NVLIST or DATA_TYPE_NVLIST_ARRAY
1755 * to support going deeper.
1757 if (nvpair_type(nvp
) == DATA_TYPE_NVLIST
) {
1758 nvl
= EMBEDDED_NVL(nvp
);
1760 } else if (nvpair_type(nvp
) == DATA_TYPE_NVLIST_ARRAY
) {
1761 (void) nvpair_value_nvlist_array(nvp
,
1762 &nva
, (uint_t
*)&n
);
1763 if ((n
< 0) || (idx
>= n
))
1769 /* type does not support more levels */
1773 goto fail
; /* 'name' not found */
1775 /* search for match of next component in embedded 'nvl' list */
1778 fail
: if (ep
&& sepp
)
1784 * Return pointer to nvpair with specified 'name'.
1787 nvlist_lookup_nvpair(nvlist_t
*nvl
, const char *name
, nvpair_t
**ret
)
1789 return (nvlist_lookup_nvpair_ei_sep(nvl
, name
, 0, ret
, NULL
, NULL
));
1793 * Determine if named nvpair exists in nvlist (use embedded separator of '.'
1794 * and return array index). See nvlist_lookup_nvpair_ei_sep for more detailed
1797 int nvlist_lookup_nvpair_embedded_index(nvlist_t
*nvl
,
1798 const char *name
, nvpair_t
**ret
, int *ip
, char **ep
)
1800 return (nvlist_lookup_nvpair_ei_sep(nvl
, name
, '.', ret
, ip
, ep
));
1804 nvlist_exists(nvlist_t
*nvl
, const char *name
)
1810 if (name
== NULL
|| nvl
== NULL
||
1811 (priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
) == NULL
)
1814 for (curr
= priv
->nvp_list
; curr
!= NULL
; curr
= curr
->nvi_next
) {
1815 nvp
= &curr
->nvi_nvp
;
1817 if (strcmp(name
, NVP_NAME(nvp
)) == 0)
1825 nvpair_value_boolean_value(nvpair_t
*nvp
, boolean_t
*val
)
1827 return (nvpair_value_common(nvp
, DATA_TYPE_BOOLEAN_VALUE
, NULL
, val
));
1831 nvpair_value_byte(nvpair_t
*nvp
, uchar_t
*val
)
1833 return (nvpair_value_common(nvp
, DATA_TYPE_BYTE
, NULL
, val
));
1837 nvpair_value_int8(nvpair_t
*nvp
, int8_t *val
)
1839 return (nvpair_value_common(nvp
, DATA_TYPE_INT8
, NULL
, val
));
1843 nvpair_value_uint8(nvpair_t
*nvp
, uint8_t *val
)
1845 return (nvpair_value_common(nvp
, DATA_TYPE_UINT8
, NULL
, val
));
1849 nvpair_value_int16(nvpair_t
*nvp
, int16_t *val
)
1851 return (nvpair_value_common(nvp
, DATA_TYPE_INT16
, NULL
, val
));
1855 nvpair_value_uint16(nvpair_t
*nvp
, uint16_t *val
)
1857 return (nvpair_value_common(nvp
, DATA_TYPE_UINT16
, NULL
, val
));
1861 nvpair_value_int32(nvpair_t
*nvp
, int32_t *val
)
1863 return (nvpair_value_common(nvp
, DATA_TYPE_INT32
, NULL
, val
));
1867 nvpair_value_uint32(nvpair_t
*nvp
, uint32_t *val
)
1869 return (nvpair_value_common(nvp
, DATA_TYPE_UINT32
, NULL
, val
));
1873 nvpair_value_int64(nvpair_t
*nvp
, int64_t *val
)
1875 return (nvpair_value_common(nvp
, DATA_TYPE_INT64
, NULL
, val
));
1879 nvpair_value_uint64(nvpair_t
*nvp
, uint64_t *val
)
1881 return (nvpair_value_common(nvp
, DATA_TYPE_UINT64
, NULL
, val
));
1884 #if !defined(_KERNEL)
1886 nvpair_value_double(nvpair_t
*nvp
, double *val
)
1888 return (nvpair_value_common(nvp
, DATA_TYPE_DOUBLE
, NULL
, val
));
1893 nvpair_value_string(nvpair_t
*nvp
, char **val
)
1895 return (nvpair_value_common(nvp
, DATA_TYPE_STRING
, NULL
, val
));
1899 nvpair_value_nvlist(nvpair_t
*nvp
, nvlist_t
**val
)
1901 return (nvpair_value_common(nvp
, DATA_TYPE_NVLIST
, NULL
, val
));
1905 nvpair_value_boolean_array(nvpair_t
*nvp
, boolean_t
**val
, uint_t
*nelem
)
1907 return (nvpair_value_common(nvp
, DATA_TYPE_BOOLEAN_ARRAY
, nelem
, val
));
1911 nvpair_value_byte_array(nvpair_t
*nvp
, uchar_t
**val
, uint_t
*nelem
)
1913 return (nvpair_value_common(nvp
, DATA_TYPE_BYTE_ARRAY
, nelem
, val
));
1917 nvpair_value_int8_array(nvpair_t
*nvp
, int8_t **val
, uint_t
*nelem
)
1919 return (nvpair_value_common(nvp
, DATA_TYPE_INT8_ARRAY
, nelem
, val
));
1923 nvpair_value_uint8_array(nvpair_t
*nvp
, uint8_t **val
, uint_t
*nelem
)
1925 return (nvpair_value_common(nvp
, DATA_TYPE_UINT8_ARRAY
, nelem
, val
));
1929 nvpair_value_int16_array(nvpair_t
*nvp
, int16_t **val
, uint_t
*nelem
)
1931 return (nvpair_value_common(nvp
, DATA_TYPE_INT16_ARRAY
, nelem
, val
));
1935 nvpair_value_uint16_array(nvpair_t
*nvp
, uint16_t **val
, uint_t
*nelem
)
1937 return (nvpair_value_common(nvp
, DATA_TYPE_UINT16_ARRAY
, nelem
, val
));
1941 nvpair_value_int32_array(nvpair_t
*nvp
, int32_t **val
, uint_t
*nelem
)
1943 return (nvpair_value_common(nvp
, DATA_TYPE_INT32_ARRAY
, nelem
, val
));
1947 nvpair_value_uint32_array(nvpair_t
*nvp
, uint32_t **val
, uint_t
*nelem
)
1949 return (nvpair_value_common(nvp
, DATA_TYPE_UINT32_ARRAY
, nelem
, val
));
1953 nvpair_value_int64_array(nvpair_t
*nvp
, int64_t **val
, uint_t
*nelem
)
1955 return (nvpair_value_common(nvp
, DATA_TYPE_INT64_ARRAY
, nelem
, val
));
1959 nvpair_value_uint64_array(nvpair_t
*nvp
, uint64_t **val
, uint_t
*nelem
)
1961 return (nvpair_value_common(nvp
, DATA_TYPE_UINT64_ARRAY
, nelem
, val
));
1965 nvpair_value_string_array(nvpair_t
*nvp
, char ***val
, uint_t
*nelem
)
1967 return (nvpair_value_common(nvp
, DATA_TYPE_STRING_ARRAY
, nelem
, val
));
1971 nvpair_value_nvlist_array(nvpair_t
*nvp
, nvlist_t
***val
, uint_t
*nelem
)
1973 return (nvpair_value_common(nvp
, DATA_TYPE_NVLIST_ARRAY
, nelem
, val
));
1977 nvpair_value_hrtime(nvpair_t
*nvp
, hrtime_t
*val
)
1979 return (nvpair_value_common(nvp
, DATA_TYPE_HRTIME
, NULL
, val
));
1983 * Add specified pair to the list.
1986 nvlist_add_nvpair(nvlist_t
*nvl
, nvpair_t
*nvp
)
1988 if (nvl
== NULL
|| nvp
== NULL
)
1991 return (nvlist_add_common(nvl
, NVP_NAME(nvp
), NVP_TYPE(nvp
),
1992 NVP_NELEM(nvp
), NVP_VALUE(nvp
)));
1996 * Merge the supplied nvlists and put the result in dst.
1997 * The merged list will contain all names specified in both lists,
1998 * the values are taken from nvl in the case of duplicates.
1999 * Return 0 on success.
2003 nvlist_merge(nvlist_t
*dst
, nvlist_t
*nvl
, int flag
)
2005 if (nvl
== NULL
|| dst
== NULL
)
2009 return (nvlist_copy_pairs(nvl
, dst
));
2015 * Encoding related routines
2017 #define NVS_OP_ENCODE 0
2018 #define NVS_OP_DECODE 1
2019 #define NVS_OP_GETSIZE 2
2021 typedef struct nvs_ops nvs_ops_t
;
2025 const nvs_ops_t
*nvs_ops
;
2031 * nvs operations are:
2033 * encoding / decoding of a nvlist header (nvlist_t)
2034 * calculates the size used for header and end detection
2037 * responsible for the first part of encoding / decoding of an nvpair
2038 * calculates the decoded size of an nvpair
2041 * second part of encoding / decoding of an nvpair
2044 * calculates the encoding size of an nvpair
2047 * encodes the end detection mark (zeros).
2050 int (*nvs_nvlist
)(nvstream_t
*, nvlist_t
*, size_t *);
2051 int (*nvs_nvpair
)(nvstream_t
*, nvpair_t
*, size_t *);
2052 int (*nvs_nvp_op
)(nvstream_t
*, nvpair_t
*);
2053 int (*nvs_nvp_size
)(nvstream_t
*, nvpair_t
*, size_t *);
2054 int (*nvs_nvl_fini
)(nvstream_t
*);
2058 char nvh_encoding
; /* nvs encoding method */
2059 char nvh_endian
; /* nvs endian */
2060 char nvh_reserved1
; /* reserved for future use */
2061 char nvh_reserved2
; /* reserved for future use */
2065 nvs_encode_pairs(nvstream_t
*nvs
, nvlist_t
*nvl
)
2067 nvpriv_t
*priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
;
2071 * Walk nvpair in list and encode each nvpair
2073 for (curr
= priv
->nvp_list
; curr
!= NULL
; curr
= curr
->nvi_next
)
2074 if (nvs
->nvs_ops
->nvs_nvpair(nvs
, &curr
->nvi_nvp
, NULL
) != 0)
2077 return (nvs
->nvs_ops
->nvs_nvl_fini(nvs
));
2081 nvs_decode_pairs(nvstream_t
*nvs
, nvlist_t
*nvl
)
2088 * Get decoded size of next pair in stream, alloc
2089 * memory for nvpair_t, then decode the nvpair
2091 while ((err
= nvs
->nvs_ops
->nvs_nvpair(nvs
, NULL
, &nvsize
)) == 0) {
2092 if (nvsize
== 0) /* end of list */
2095 /* make sure len makes sense */
2096 if (nvsize
< NVP_SIZE_CALC(1, 0))
2099 if ((nvp
= nvp_buf_alloc(nvl
, nvsize
)) == NULL
)
2102 if ((err
= nvs
->nvs_ops
->nvs_nvp_op(nvs
, nvp
)) != 0) {
2103 nvp_buf_free(nvl
, nvp
);
2107 if (i_validate_nvpair(nvp
) != 0) {
2109 nvp_buf_free(nvl
, nvp
);
2113 nvp_buf_link(nvl
, nvp
);
2119 nvs_getsize_pairs(nvstream_t
*nvs
, nvlist_t
*nvl
, size_t *buflen
)
2121 nvpriv_t
*priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
;
2123 uint64_t nvsize
= *buflen
;
2127 * Get encoded size of nvpairs in nvlist
2129 for (curr
= priv
->nvp_list
; curr
!= NULL
; curr
= curr
->nvi_next
) {
2130 if (nvs
->nvs_ops
->nvs_nvp_size(nvs
, &curr
->nvi_nvp
, &size
) != 0)
2133 if ((nvsize
+= size
) > INT32_MAX
)
2142 nvs_operation(nvstream_t
*nvs
, nvlist_t
*nvl
, size_t *buflen
)
2146 if (nvl
->nvl_priv
== 0)
2150 * Perform the operation, starting with header, then each nvpair
2152 if ((err
= nvs
->nvs_ops
->nvs_nvlist(nvs
, nvl
, buflen
)) != 0)
2155 switch (nvs
->nvs_op
) {
2157 err
= nvs_encode_pairs(nvs
, nvl
);
2161 err
= nvs_decode_pairs(nvs
, nvl
);
2164 case NVS_OP_GETSIZE
:
2165 err
= nvs_getsize_pairs(nvs
, nvl
, buflen
);
2176 nvs_embedded(nvstream_t
*nvs
, nvlist_t
*embedded
)
2178 switch (nvs
->nvs_op
) {
2180 return (nvs_operation(nvs
, embedded
, NULL
));
2182 case NVS_OP_DECODE
: {
2186 if (embedded
->nvl_version
!= NV_VERSION
)
2189 if ((priv
= nv_priv_alloc_embedded(nvs
->nvs_priv
)) == NULL
)
2192 nvlist_init(embedded
, embedded
->nvl_nvflag
, priv
);
2194 if ((err
= nvs_operation(nvs
, embedded
, NULL
)) != 0)
2195 nvlist_free(embedded
);
2206 nvs_embedded_nvl_array(nvstream_t
*nvs
, nvpair_t
*nvp
, size_t *size
)
2208 size_t nelem
= NVP_NELEM(nvp
);
2209 nvlist_t
**nvlp
= EMBEDDED_NVL_ARRAY(nvp
);
2212 switch (nvs
->nvs_op
) {
2214 for (i
= 0; i
< nelem
; i
++)
2215 if (nvs_embedded(nvs
, nvlp
[i
]) != 0)
2219 case NVS_OP_DECODE
: {
2220 size_t len
= nelem
* sizeof (uint64_t);
2221 nvlist_t
*embedded
= (nvlist_t
*)((uintptr_t)nvlp
+ len
);
2223 bzero(nvlp
, len
); /* don't trust packed data */
2224 for (i
= 0; i
< nelem
; i
++) {
2225 if (nvs_embedded(nvs
, embedded
) != 0) {
2230 nvlp
[i
] = embedded
++;
2234 case NVS_OP_GETSIZE
: {
2235 uint64_t nvsize
= 0;
2237 for (i
= 0; i
< nelem
; i
++) {
2240 if (nvs_operation(nvs
, nvlp
[i
], &nvp_sz
) != 0)
2243 if ((nvsize
+= nvp_sz
) > INT32_MAX
)
2257 static int nvs_native(nvstream_t
*, nvlist_t
*, char *, size_t *);
2258 static int nvs_xdr(nvstream_t
*, nvlist_t
*, char *, size_t *);
2261 * Common routine for nvlist operations:
2262 * encode, decode, getsize (encoded size).
2265 nvlist_common(nvlist_t
*nvl
, char *buf
, size_t *buflen
, int encoding
,
2271 #ifdef _LITTLE_ENDIAN
2272 int host_endian
= 1;
2274 int host_endian
= 0;
2275 #endif /* _LITTLE_ENDIAN */
2276 nvs_header_t
*nvh
= (void *)buf
;
2278 if (buflen
== NULL
|| nvl
== NULL
||
2279 (nvs
.nvs_priv
= (nvpriv_t
*)(uintptr_t)nvl
->nvl_priv
) == NULL
)
2282 nvs
.nvs_op
= nvs_op
;
2285 * For NVS_OP_ENCODE and NVS_OP_DECODE make sure an nvlist and
2286 * a buffer is allocated. The first 4 bytes in the buffer are
2287 * used for encoding method and host endian.
2291 if (buf
== NULL
|| *buflen
< sizeof (nvs_header_t
))
2294 nvh
->nvh_encoding
= encoding
;
2295 nvh
->nvh_endian
= nvl_endian
= host_endian
;
2296 nvh
->nvh_reserved1
= 0;
2297 nvh
->nvh_reserved2
= 0;
2301 if (buf
== NULL
|| *buflen
< sizeof (nvs_header_t
))
2304 /* get method of encoding from first byte */
2305 encoding
= nvh
->nvh_encoding
;
2306 nvl_endian
= nvh
->nvh_endian
;
2309 case NVS_OP_GETSIZE
:
2310 nvl_endian
= host_endian
;
2313 * add the size for encoding
2315 *buflen
= sizeof (nvs_header_t
);
2323 * Create an nvstream with proper encoding method
2326 case NV_ENCODE_NATIVE
:
2328 * check endianness, in case we are unpacking
2331 if (nvl_endian
!= host_endian
)
2333 err
= nvs_native(&nvs
, nvl
, buf
, buflen
);
2336 err
= nvs_xdr(&nvs
, nvl
, buf
, buflen
);
2347 nvlist_size(nvlist_t
*nvl
, size_t *size
, int encoding
)
2349 return (nvlist_common(nvl
, NULL
, size
, encoding
, NVS_OP_GETSIZE
));
2353 * Pack nvlist into contiguous memory
2357 nvlist_pack(nvlist_t
*nvl
, char **bufp
, size_t *buflen
, int encoding
,
2360 #if defined(_KERNEL) && !defined(_BOOT)
2361 return (nvlist_xpack(nvl
, bufp
, buflen
, encoding
,
2362 (kmflag
== KM_SLEEP
? nv_alloc_sleep
: nv_alloc_nosleep
)));
2364 return (nvlist_xpack(nvl
, bufp
, buflen
, encoding
, nv_alloc_nosleep
));
2369 nvlist_xpack(nvlist_t
*nvl
, char **bufp
, size_t *buflen
, int encoding
,
2377 if (nva
== NULL
|| nvl
== NULL
|| bufp
== NULL
|| buflen
== NULL
)
2381 return (nvlist_common(nvl
, *bufp
, buflen
, encoding
,
2385 * Here is a difficult situation:
2386 * 1. The nvlist has fixed allocator properties.
2387 * All other nvlist routines (like nvlist_add_*, ...) use
2389 * 2. When using nvlist_pack() the user can specify his own
2390 * allocator properties (e.g. by using KM_NOSLEEP).
2392 * We use the user specified properties (2). A clearer solution
2393 * will be to remove the kmflag from nvlist_pack(), but we will
2394 * not change the interface.
2396 nv_priv_init(&nvpriv
, nva
, 0);
2398 if ((err
= nvlist_size(nvl
, &alloc_size
, encoding
)))
2401 if ((buf
= nv_mem_zalloc(&nvpriv
, alloc_size
)) == NULL
)
2404 if ((err
= nvlist_common(nvl
, buf
, &alloc_size
, encoding
,
2405 NVS_OP_ENCODE
)) != 0) {
2406 nv_mem_free(&nvpriv
, buf
, alloc_size
);
2408 *buflen
= alloc_size
;
2416 * Unpack buf into an nvlist_t
2420 nvlist_unpack(char *buf
, size_t buflen
, nvlist_t
**nvlp
, int kmflag
)
2422 #if defined(_KERNEL) && !defined(_BOOT)
2423 return (nvlist_xunpack(buf
, buflen
, nvlp
,
2424 (kmflag
== KM_SLEEP
? nv_alloc_sleep
: nv_alloc_nosleep
)));
2426 return (nvlist_xunpack(buf
, buflen
, nvlp
, nv_alloc_nosleep
));
2431 nvlist_xunpack(char *buf
, size_t buflen
, nvlist_t
**nvlp
, nv_alloc_t
*nva
)
2439 if ((err
= nvlist_xalloc(&nvl
, 0, nva
)) != 0)
2442 if ((err
= nvlist_common(nvl
, buf
, &buflen
, 0, NVS_OP_DECODE
)) != 0)
2451 * Native encoding functions
2455 * This structure is used when decoding a packed nvpair in
2456 * the native format. n_base points to a buffer containing the
2457 * packed nvpair. n_end is a pointer to the end of the buffer.
2458 * (n_end actually points to the first byte past the end of the
2459 * buffer.) n_curr is a pointer that lies between n_base and n_end.
2460 * It points to the current data that we are decoding.
2461 * The amount of data left in the buffer is equal to n_end - n_curr.
2462 * n_flag is used to recognize a packed embedded list.
2471 nvs_native_create(nvstream_t
*nvs
, nvs_native_t
*native
, char *buf
,
2474 switch (nvs
->nvs_op
) {
2477 nvs
->nvs_private
= native
;
2478 native
->n_curr
= native
->n_base
= buf
;
2479 native
->n_end
= buf
+ buflen
;
2483 case NVS_OP_GETSIZE
:
2484 nvs
->nvs_private
= native
;
2485 native
->n_curr
= native
->n_base
= native
->n_end
= NULL
;
2495 nvs_native_destroy(nvstream_t
*nvs
)
2500 native_cp(nvstream_t
*nvs
, void *buf
, size_t size
)
2502 nvs_native_t
*native
= (nvs_native_t
*)nvs
->nvs_private
;
2504 if (native
->n_curr
+ size
> native
->n_end
)
2508 * The bcopy() below eliminates alignment requirement
2509 * on the buffer (stream) and is preferred over direct access.
2511 switch (nvs
->nvs_op
) {
2513 bcopy(buf
, native
->n_curr
, size
);
2516 bcopy(native
->n_curr
, buf
, size
);
2522 native
->n_curr
+= size
;
2527 * operate on nvlist_t header
2530 nvs_native_nvlist(nvstream_t
*nvs
, nvlist_t
*nvl
, size_t *size
)
2532 nvs_native_t
*native
= nvs
->nvs_private
;
2534 switch (nvs
->nvs_op
) {
2538 return (0); /* packed embedded list */
2542 /* copy version and nvflag of the nvlist_t */
2543 if (native_cp(nvs
, &nvl
->nvl_version
, sizeof (int32_t)) != 0 ||
2544 native_cp(nvs
, &nvl
->nvl_nvflag
, sizeof (int32_t)) != 0)
2549 case NVS_OP_GETSIZE
:
2551 * if calculate for packed embedded list
2552 * 4 for end of the embedded list
2554 * 2 * sizeof (int32_t) for nvl_version and nvl_nvflag
2555 * and 4 for end of the entire list
2557 if (native
->n_flag
) {
2561 *size
+= 2 * sizeof (int32_t) + 4;
2572 nvs_native_nvl_fini(nvstream_t
*nvs
)
2574 if (nvs
->nvs_op
== NVS_OP_ENCODE
) {
2575 nvs_native_t
*native
= (nvs_native_t
*)nvs
->nvs_private
;
2577 * Add 4 zero bytes at end of nvlist. They are used
2578 * for end detection by the decode routine.
2580 if (native
->n_curr
+ sizeof (int) > native
->n_end
)
2583 bzero(native
->n_curr
, sizeof (int));
2584 native
->n_curr
+= sizeof (int);
2591 nvpair_native_embedded(nvstream_t
*nvs
, nvpair_t
*nvp
)
2593 if (nvs
->nvs_op
== NVS_OP_ENCODE
) {
2594 nvs_native_t
*native
= (nvs_native_t
*)nvs
->nvs_private
;
2595 nvlist_t
*packed
= (void *)
2596 (native
->n_curr
- nvp
->nvp_size
+ NVP_VALOFF(nvp
));
2598 * Null out the pointer that is meaningless in the packed
2599 * structure. The address may not be aligned, so we have
2602 bzero(&packed
->nvl_priv
, sizeof (packed
->nvl_priv
));
2605 return (nvs_embedded(nvs
, EMBEDDED_NVL(nvp
)));
2609 nvpair_native_embedded_array(nvstream_t
*nvs
, nvpair_t
*nvp
)
2611 if (nvs
->nvs_op
== NVS_OP_ENCODE
) {
2612 nvs_native_t
*native
= (nvs_native_t
*)nvs
->nvs_private
;
2613 char *value
= native
->n_curr
- nvp
->nvp_size
+ NVP_VALOFF(nvp
);
2614 size_t len
= NVP_NELEM(nvp
) * sizeof (uint64_t);
2615 nvlist_t
*packed
= (nvlist_t
*)((uintptr_t)value
+ len
);
2618 * Null out pointers that are meaningless in the packed
2619 * structure. The addresses may not be aligned, so we have
2624 for (i
= 0; i
< NVP_NELEM(nvp
); i
++, packed
++)
2626 * Null out the pointer that is meaningless in the
2627 * packed structure. The address may not be aligned,
2628 * so we have to use bzero.
2630 bzero(&packed
->nvl_priv
, sizeof (packed
->nvl_priv
));
2633 return (nvs_embedded_nvl_array(nvs
, nvp
, NULL
));
2637 nvpair_native_string_array(nvstream_t
*nvs
, nvpair_t
*nvp
)
2639 switch (nvs
->nvs_op
) {
2640 case NVS_OP_ENCODE
: {
2641 nvs_native_t
*native
= (nvs_native_t
*)nvs
->nvs_private
;
2642 uint64_t *strp
= (void *)
2643 (native
->n_curr
- nvp
->nvp_size
+ NVP_VALOFF(nvp
));
2645 * Null out pointers that are meaningless in the packed
2646 * structure. The addresses may not be aligned, so we have
2649 bzero(strp
, NVP_NELEM(nvp
) * sizeof (uint64_t));
2652 case NVS_OP_DECODE
: {
2653 char **strp
= (void *)NVP_VALUE(nvp
);
2654 char *buf
= ((char *)strp
+ NVP_NELEM(nvp
) * sizeof (uint64_t));
2657 for (i
= 0; i
< NVP_NELEM(nvp
); i
++) {
2659 buf
+= strlen(buf
) + 1;
2667 nvs_native_nvp_op(nvstream_t
*nvs
, nvpair_t
*nvp
)
2674 * We do the initial bcopy of the data before we look at
2675 * the nvpair type, because when we're decoding, we won't
2676 * have the correct values for the pair until we do the bcopy.
2678 switch (nvs
->nvs_op
) {
2681 if (native_cp(nvs
, nvp
, nvp
->nvp_size
) != 0)
2688 /* verify nvp_name_sz, check the name string length */
2689 if (i_validate_nvpair_name(nvp
) != 0)
2692 type
= NVP_TYPE(nvp
);
2695 * Verify type and nelem and get the value size.
2696 * In case of data types DATA_TYPE_STRING and DATA_TYPE_STRING_ARRAY
2697 * is the size of the string(s) excluded.
2699 if ((value_sz
= i_get_value_size(type
, NULL
, NVP_NELEM(nvp
))) < 0)
2702 if (NVP_SIZE_CALC(nvp
->nvp_name_sz
, value_sz
) > nvp
->nvp_size
)
2706 case DATA_TYPE_NVLIST
:
2707 ret
= nvpair_native_embedded(nvs
, nvp
);
2709 case DATA_TYPE_NVLIST_ARRAY
:
2710 ret
= nvpair_native_embedded_array(nvs
, nvp
);
2712 case DATA_TYPE_STRING_ARRAY
:
2713 nvpair_native_string_array(nvs
, nvp
);
2723 nvs_native_nvp_size(nvstream_t
*nvs
, nvpair_t
*nvp
, size_t *size
)
2725 uint64_t nvp_sz
= nvp
->nvp_size
;
2727 switch (NVP_TYPE(nvp
)) {
2728 case DATA_TYPE_NVLIST
: {
2731 if (nvs_operation(nvs
, EMBEDDED_NVL(nvp
), &nvsize
) != 0)
2737 case DATA_TYPE_NVLIST_ARRAY
: {
2740 if (nvs_embedded_nvl_array(nvs
, nvp
, &nvsize
) != 0)
2750 if (nvp_sz
> INT32_MAX
)
2759 nvs_native_nvpair(nvstream_t
*nvs
, nvpair_t
*nvp
, size_t *size
)
2761 switch (nvs
->nvs_op
) {
2763 return (nvs_native_nvp_op(nvs
, nvp
));
2765 case NVS_OP_DECODE
: {
2766 nvs_native_t
*native
= (nvs_native_t
*)nvs
->nvs_private
;
2769 /* try to read the size value from the stream */
2770 if (native
->n_curr
+ sizeof (int32_t) > native
->n_end
)
2772 bcopy(native
->n_curr
, &decode_len
, sizeof (int32_t));
2774 /* sanity check the size value */
2775 if (decode_len
< 0 ||
2776 decode_len
> native
->n_end
- native
->n_curr
)
2782 * If at the end of the stream then move the cursor
2783 * forward, otherwise nvpair_native_op() will read
2784 * the entire nvpair at the same cursor position.
2787 native
->n_curr
+= sizeof (int32_t);
2798 static const nvs_ops_t nvs_native_ops
= {
2802 nvs_native_nvp_size
,
2807 nvs_native(nvstream_t
*nvs
, nvlist_t
*nvl
, char *buf
, size_t *buflen
)
2809 nvs_native_t native
;
2812 nvs
->nvs_ops
= &nvs_native_ops
;
2814 if ((err
= nvs_native_create(nvs
, &native
, buf
+ sizeof (nvs_header_t
),
2815 *buflen
- sizeof (nvs_header_t
))) != 0)
2818 err
= nvs_operation(nvs
, nvl
, buflen
);
2820 nvs_native_destroy(nvs
);
2826 * XDR encoding functions
2828 * An xdr packed nvlist is encoded as:
2830 * - encoding methode and host endian (4 bytes)
2831 * - nvl_version (4 bytes)
2832 * - nvl_nvflag (4 bytes)
2834 * - encoded nvpairs, the format of one xdr encoded nvpair is:
2835 * - encoded size of the nvpair (4 bytes)
2836 * - decoded size of the nvpair (4 bytes)
2837 * - name string, (4 + sizeof(NV_ALIGN4(string))
2838 * a string is coded as size (4 bytes) and data
2839 * - data type (4 bytes)
2840 * - number of elements in the nvpair (4 bytes)
2843 * - 2 zero's for end of the entire list (8 bytes)
2846 nvs_xdr_create(nvstream_t
*nvs
, XDR
*xdr
, char *buf
, size_t buflen
)
2848 /* xdr data must be 4 byte aligned */
2849 if ((ulong_t
)buf
% 4 != 0)
2852 switch (nvs
->nvs_op
) {
2854 xdrmem_create(xdr
, buf
, (uint_t
)buflen
, XDR_ENCODE
);
2855 nvs
->nvs_private
= xdr
;
2858 xdrmem_create(xdr
, buf
, (uint_t
)buflen
, XDR_DECODE
);
2859 nvs
->nvs_private
= xdr
;
2861 case NVS_OP_GETSIZE
:
2862 nvs
->nvs_private
= NULL
;
2870 nvs_xdr_destroy(nvstream_t
*nvs
)
2872 switch (nvs
->nvs_op
) {
2875 xdr_destroy((XDR
*)nvs
->nvs_private
);
2883 nvs_xdr_nvlist(nvstream_t
*nvs
, nvlist_t
*nvl
, size_t *size
)
2885 switch (nvs
->nvs_op
) {
2887 case NVS_OP_DECODE
: {
2888 XDR
*xdr
= nvs
->nvs_private
;
2890 if (!xdr_int(xdr
, &nvl
->nvl_version
) ||
2891 !xdr_u_int(xdr
, &nvl
->nvl_nvflag
))
2895 case NVS_OP_GETSIZE
: {
2897 * 2 * 4 for nvl_version + nvl_nvflag
2898 * and 8 for end of the entire list
2910 nvs_xdr_nvl_fini(nvstream_t
*nvs
)
2912 if (nvs
->nvs_op
== NVS_OP_ENCODE
) {
2913 XDR
*xdr
= nvs
->nvs_private
;
2916 if (!xdr_int(xdr
, &zero
) || !xdr_int(xdr
, &zero
))
2924 * The format of xdr encoded nvpair is:
2925 * encode_size, decode_size, name string, data type, nelem, data
2928 nvs_xdr_nvp_op(nvstream_t
*nvs
, nvpair_t
*nvp
)
2932 char *buf_end
= (char *)nvp
+ nvp
->nvp_size
;
2934 uint_t nelem
, buflen
;
2936 XDR
*xdr
= nvs
->nvs_private
;
2938 ASSERT(xdr
!= NULL
&& nvp
!= NULL
);
2941 if ((buf
= NVP_NAME(nvp
)) >= buf_end
)
2943 buflen
= buf_end
- buf
;
2945 if (!xdr_string(xdr
, &buf
, buflen
- 1))
2947 nvp
->nvp_name_sz
= strlen(buf
) + 1;
2949 /* type and nelem */
2950 if (!xdr_int(xdr
, (int *)&nvp
->nvp_type
) ||
2951 !xdr_int(xdr
, &nvp
->nvp_value_elem
))
2954 type
= NVP_TYPE(nvp
);
2955 nelem
= nvp
->nvp_value_elem
;
2958 * Verify type and nelem and get the value size.
2959 * In case of data types DATA_TYPE_STRING and DATA_TYPE_STRING_ARRAY
2960 * is the size of the string(s) excluded.
2962 if ((value_sz
= i_get_value_size(type
, NULL
, nelem
)) < 0)
2965 /* if there is no data to extract then return */
2970 if ((buf
= NVP_VALUE(nvp
)) >= buf_end
)
2972 buflen
= buf_end
- buf
;
2974 if (buflen
< value_sz
)
2978 case DATA_TYPE_NVLIST
:
2979 if (nvs_embedded(nvs
, (void *)buf
) == 0)
2983 case DATA_TYPE_NVLIST_ARRAY
:
2984 if (nvs_embedded_nvl_array(nvs
, nvp
, NULL
) == 0)
2988 case DATA_TYPE_BOOLEAN
:
2992 case DATA_TYPE_BYTE
:
2993 case DATA_TYPE_INT8
:
2994 case DATA_TYPE_UINT8
:
2995 ret
= xdr_char(xdr
, buf
);
2998 case DATA_TYPE_INT16
:
2999 ret
= xdr_short(xdr
, (void *)buf
);
3002 case DATA_TYPE_UINT16
:
3003 ret
= xdr_u_short(xdr
, (void *)buf
);
3006 case DATA_TYPE_BOOLEAN_VALUE
:
3007 case DATA_TYPE_INT32
:
3008 ret
= xdr_int(xdr
, (void *)buf
);
3011 case DATA_TYPE_UINT32
:
3012 ret
= xdr_u_int(xdr
, (void *)buf
);
3015 case DATA_TYPE_INT64
:
3016 ret
= xdr_longlong_t(xdr
, (void *)buf
);
3019 case DATA_TYPE_UINT64
:
3020 ret
= xdr_u_longlong_t(xdr
, (void *)buf
);
3023 case DATA_TYPE_HRTIME
:
3025 * NOTE: must expose the definition of hrtime_t here
3027 ret
= xdr_longlong_t(xdr
, (void *)buf
);
3029 #if !defined(_KERNEL)
3030 case DATA_TYPE_DOUBLE
:
3031 ret
= xdr_double(xdr
, (void *)buf
);
3034 case DATA_TYPE_STRING
:
3035 ret
= xdr_string(xdr
, &buf
, buflen
- 1);
3038 case DATA_TYPE_BYTE_ARRAY
:
3039 ret
= xdr_opaque(xdr
, buf
, nelem
);
3042 case DATA_TYPE_INT8_ARRAY
:
3043 case DATA_TYPE_UINT8_ARRAY
:
3044 ret
= xdr_array(xdr
, &buf
, &nelem
, buflen
, sizeof (int8_t),
3045 (xdrproc_t
)xdr_char
);
3048 case DATA_TYPE_INT16_ARRAY
:
3049 ret
= xdr_array(xdr
, &buf
, &nelem
, buflen
/ sizeof (int16_t),
3050 sizeof (int16_t), (xdrproc_t
)xdr_short
);
3053 case DATA_TYPE_UINT16_ARRAY
:
3054 ret
= xdr_array(xdr
, &buf
, &nelem
, buflen
/ sizeof (uint16_t),
3055 sizeof (uint16_t), (xdrproc_t
)xdr_u_short
);
3058 case DATA_TYPE_BOOLEAN_ARRAY
:
3059 case DATA_TYPE_INT32_ARRAY
:
3060 ret
= xdr_array(xdr
, &buf
, &nelem
, buflen
/ sizeof (int32_t),
3061 sizeof (int32_t), (xdrproc_t
)xdr_int
);
3064 case DATA_TYPE_UINT32_ARRAY
:
3065 ret
= xdr_array(xdr
, &buf
, &nelem
, buflen
/ sizeof (uint32_t),
3066 sizeof (uint32_t), (xdrproc_t
)xdr_u_int
);
3069 case DATA_TYPE_INT64_ARRAY
:
3070 ret
= xdr_array(xdr
, &buf
, &nelem
, buflen
/ sizeof (int64_t),
3071 sizeof (int64_t), (xdrproc_t
)xdr_longlong_t
);
3074 case DATA_TYPE_UINT64_ARRAY
:
3075 ret
= xdr_array(xdr
, &buf
, &nelem
, buflen
/ sizeof (uint64_t),
3076 sizeof (uint64_t), (xdrproc_t
)xdr_u_longlong_t
);
3079 case DATA_TYPE_STRING_ARRAY
: {
3080 size_t len
= nelem
* sizeof (uint64_t);
3081 char **strp
= (void *)buf
;
3084 if (nvs
->nvs_op
== NVS_OP_DECODE
)
3085 bzero(buf
, len
); /* don't trust packed data */
3087 for (i
= 0; i
< nelem
; i
++) {
3094 if (xdr_string(xdr
, &buf
, buflen
- 1) != TRUE
)
3097 if (nvs
->nvs_op
== NVS_OP_DECODE
)
3099 len
= strlen(buf
) + 1;
3108 return (ret
== TRUE
? 0 : EFAULT
);
3112 nvs_xdr_nvp_size(nvstream_t
*nvs
, nvpair_t
*nvp
, size_t *size
)
3114 data_type_t type
= NVP_TYPE(nvp
);
3116 * encode_size + decode_size + name string size + data type + nelem
3117 * where name string size = 4 + NV_ALIGN4(strlen(NVP_NAME(nvp)))
3119 uint64_t nvp_sz
= 4 + 4 + 4 + NV_ALIGN4(strlen(NVP_NAME(nvp
))) + 4 + 4;
3122 case DATA_TYPE_BOOLEAN
:
3125 case DATA_TYPE_BOOLEAN_VALUE
:
3126 case DATA_TYPE_BYTE
:
3127 case DATA_TYPE_INT8
:
3128 case DATA_TYPE_UINT8
:
3129 case DATA_TYPE_INT16
:
3130 case DATA_TYPE_UINT16
:
3131 case DATA_TYPE_INT32
:
3132 case DATA_TYPE_UINT32
:
3133 nvp_sz
+= 4; /* 4 is the minimum xdr unit */
3136 case DATA_TYPE_INT64
:
3137 case DATA_TYPE_UINT64
:
3138 case DATA_TYPE_HRTIME
:
3139 #if !defined(_KERNEL)
3140 case DATA_TYPE_DOUBLE
:
3145 case DATA_TYPE_STRING
:
3146 nvp_sz
+= 4 + NV_ALIGN4(strlen((char *)NVP_VALUE(nvp
)));
3149 case DATA_TYPE_BYTE_ARRAY
:
3150 nvp_sz
+= NV_ALIGN4(NVP_NELEM(nvp
));
3153 case DATA_TYPE_BOOLEAN_ARRAY
:
3154 case DATA_TYPE_INT8_ARRAY
:
3155 case DATA_TYPE_UINT8_ARRAY
:
3156 case DATA_TYPE_INT16_ARRAY
:
3157 case DATA_TYPE_UINT16_ARRAY
:
3158 case DATA_TYPE_INT32_ARRAY
:
3159 case DATA_TYPE_UINT32_ARRAY
:
3160 nvp_sz
+= 4 + 4 * (uint64_t)NVP_NELEM(nvp
);
3163 case DATA_TYPE_INT64_ARRAY
:
3164 case DATA_TYPE_UINT64_ARRAY
:
3165 nvp_sz
+= 4 + 8 * (uint64_t)NVP_NELEM(nvp
);
3168 case DATA_TYPE_STRING_ARRAY
: {
3170 char **strs
= (void *)NVP_VALUE(nvp
);
3172 for (i
= 0; i
< NVP_NELEM(nvp
); i
++)
3173 nvp_sz
+= 4 + NV_ALIGN4(strlen(strs
[i
]));
3178 case DATA_TYPE_NVLIST
:
3179 case DATA_TYPE_NVLIST_ARRAY
: {
3181 int old_nvs_op
= nvs
->nvs_op
;
3184 nvs
->nvs_op
= NVS_OP_GETSIZE
;
3185 if (type
== DATA_TYPE_NVLIST
)
3186 err
= nvs_operation(nvs
, EMBEDDED_NVL(nvp
), &nvsize
);
3188 err
= nvs_embedded_nvl_array(nvs
, nvp
, &nvsize
);
3189 nvs
->nvs_op
= old_nvs_op
;
3202 if (nvp_sz
> INT32_MAX
)
3212 * The NVS_XDR_MAX_LEN macro takes a packed xdr buffer of size x and estimates
3213 * the largest nvpair that could be encoded in the buffer.
3215 * See comments above nvpair_xdr_op() for the format of xdr encoding.
3216 * The size of a xdr packed nvpair without any data is 5 words.
3218 * Using the size of the data directly as an estimate would be ok
3219 * in all cases except one. If the data type is of DATA_TYPE_STRING_ARRAY
3220 * then the actual nvpair has space for an array of pointers to index
3221 * the strings. These pointers are not encoded into the packed xdr buffer.
3223 * If the data is of type DATA_TYPE_STRING_ARRAY and all the strings are
3224 * of length 0, then each string is endcoded in xdr format as a single word.
3225 * Therefore when expanded to an nvpair there will be 2.25 word used for
3226 * each string. (a int64_t allocated for pointer usage, and a single char
3227 * for the null termination.)
3229 * This is the calculation performed by the NVS_XDR_MAX_LEN macro.
3231 #define NVS_XDR_HDR_LEN ((size_t)(5 * 4))
3232 #define NVS_XDR_DATA_LEN(y) (((size_t)(y) <= NVS_XDR_HDR_LEN) ? \
3233 0 : ((size_t)(y) - NVS_XDR_HDR_LEN))
3234 #define NVS_XDR_MAX_LEN(x) (NVP_SIZE_CALC(1, 0) + \
3235 (NVS_XDR_DATA_LEN(x) * 2) + \
3236 NV_ALIGN4((NVS_XDR_DATA_LEN(x) / 4)))
3239 nvs_xdr_nvpair(nvstream_t
*nvs
, nvpair_t
*nvp
, size_t *size
)
3241 XDR
*xdr
= nvs
->nvs_private
;
3242 int32_t encode_len
, decode_len
;
3244 switch (nvs
->nvs_op
) {
3245 case NVS_OP_ENCODE
: {
3248 if (nvs_xdr_nvp_size(nvs
, nvp
, &nvsize
) != 0)
3251 decode_len
= nvp
->nvp_size
;
3252 encode_len
= nvsize
;
3253 if (!xdr_int(xdr
, &encode_len
) || !xdr_int(xdr
, &decode_len
))
3256 return (nvs_xdr_nvp_op(nvs
, nvp
));
3258 case NVS_OP_DECODE
: {
3259 struct xdr_bytesrec bytesrec
;
3261 /* get the encode and decode size */
3262 if (!xdr_int(xdr
, &encode_len
) || !xdr_int(xdr
, &decode_len
))
3266 /* are we at the end of the stream? */
3270 /* sanity check the size parameter */
3271 if (!xdr_control(xdr
, XDR_GET_BYTES_AVAIL
, &bytesrec
))
3274 if (*size
> NVS_XDR_MAX_LEN(bytesrec
.xc_num_avail
))
3285 static const struct nvs_ops nvs_xdr_ops
= {
3294 nvs_xdr(nvstream_t
*nvs
, nvlist_t
*nvl
, char *buf
, size_t *buflen
)
3299 nvs
->nvs_ops
= &nvs_xdr_ops
;
3301 if ((err
= nvs_xdr_create(nvs
, &xdr
, buf
+ sizeof (nvs_header_t
),
3302 *buflen
- sizeof (nvs_header_t
))) != 0)
3305 err
= nvs_operation(nvs
, nvl
, buflen
);
3307 nvs_xdr_destroy(nvs
);
3312 #if defined(_KERNEL) && defined(HAVE_SPL)
3314 static int nvpair_init(void) { return 0; }
3315 static int nvpair_fini(void) { return 0; }
3317 spl_module_init(nvpair_init
);
3318 spl_module_exit(nvpair_fini
);
3320 MODULE_DESCRIPTION("Generic name/value pair implementation");
3321 MODULE_AUTHOR(ZFS_META_AUTHOR
);
3322 MODULE_LICENSE(ZFS_META_LICENSE
);
3323 MODULE_VERSION(ZFS_META_VERSION
"-" ZFS_META_RELEASE
);
3325 EXPORT_SYMBOL(nv_alloc_init
);
3326 EXPORT_SYMBOL(nv_alloc_reset
);
3327 EXPORT_SYMBOL(nv_alloc_fini
);
3329 /* list management */
3330 EXPORT_SYMBOL(nvlist_alloc
);
3331 EXPORT_SYMBOL(nvlist_free
);
3332 EXPORT_SYMBOL(nvlist_size
);
3333 EXPORT_SYMBOL(nvlist_pack
);
3334 EXPORT_SYMBOL(nvlist_unpack
);
3335 EXPORT_SYMBOL(nvlist_dup
);
3336 EXPORT_SYMBOL(nvlist_merge
);
3338 EXPORT_SYMBOL(nvlist_xalloc
);
3339 EXPORT_SYMBOL(nvlist_xpack
);
3340 EXPORT_SYMBOL(nvlist_xunpack
);
3341 EXPORT_SYMBOL(nvlist_xdup
);
3342 EXPORT_SYMBOL(nvlist_lookup_nv_alloc
);
3344 EXPORT_SYMBOL(nvlist_add_nvpair
);
3345 EXPORT_SYMBOL(nvlist_add_boolean
);
3346 EXPORT_SYMBOL(nvlist_add_boolean_value
);
3347 EXPORT_SYMBOL(nvlist_add_byte
);
3348 EXPORT_SYMBOL(nvlist_add_int8
);
3349 EXPORT_SYMBOL(nvlist_add_uint8
);
3350 EXPORT_SYMBOL(nvlist_add_int16
);
3351 EXPORT_SYMBOL(nvlist_add_uint16
);
3352 EXPORT_SYMBOL(nvlist_add_int32
);
3353 EXPORT_SYMBOL(nvlist_add_uint32
);
3354 EXPORT_SYMBOL(nvlist_add_int64
);
3355 EXPORT_SYMBOL(nvlist_add_uint64
);
3356 EXPORT_SYMBOL(nvlist_add_string
);
3357 EXPORT_SYMBOL(nvlist_add_nvlist
);
3358 EXPORT_SYMBOL(nvlist_add_boolean_array
);
3359 EXPORT_SYMBOL(nvlist_add_byte_array
);
3360 EXPORT_SYMBOL(nvlist_add_int8_array
);
3361 EXPORT_SYMBOL(nvlist_add_uint8_array
);
3362 EXPORT_SYMBOL(nvlist_add_int16_array
);
3363 EXPORT_SYMBOL(nvlist_add_uint16_array
);
3364 EXPORT_SYMBOL(nvlist_add_int32_array
);
3365 EXPORT_SYMBOL(nvlist_add_uint32_array
);
3366 EXPORT_SYMBOL(nvlist_add_int64_array
);
3367 EXPORT_SYMBOL(nvlist_add_uint64_array
);
3368 EXPORT_SYMBOL(nvlist_add_string_array
);
3369 EXPORT_SYMBOL(nvlist_add_nvlist_array
);
3370 EXPORT_SYMBOL(nvlist_next_nvpair
);
3371 EXPORT_SYMBOL(nvlist_prev_nvpair
);
3372 EXPORT_SYMBOL(nvlist_empty
);
3373 EXPORT_SYMBOL(nvlist_add_hrtime
);
3375 EXPORT_SYMBOL(nvlist_remove
);
3376 EXPORT_SYMBOL(nvlist_remove_nvpair
);
3377 EXPORT_SYMBOL(nvlist_remove_all
);
3379 EXPORT_SYMBOL(nvlist_lookup_boolean
);
3380 EXPORT_SYMBOL(nvlist_lookup_boolean_value
);
3381 EXPORT_SYMBOL(nvlist_lookup_byte
);
3382 EXPORT_SYMBOL(nvlist_lookup_int8
);
3383 EXPORT_SYMBOL(nvlist_lookup_uint8
);
3384 EXPORT_SYMBOL(nvlist_lookup_int16
);
3385 EXPORT_SYMBOL(nvlist_lookup_uint16
);
3386 EXPORT_SYMBOL(nvlist_lookup_int32
);
3387 EXPORT_SYMBOL(nvlist_lookup_uint32
);
3388 EXPORT_SYMBOL(nvlist_lookup_int64
);
3389 EXPORT_SYMBOL(nvlist_lookup_uint64
);
3390 EXPORT_SYMBOL(nvlist_lookup_string
);
3391 EXPORT_SYMBOL(nvlist_lookup_nvlist
);
3392 EXPORT_SYMBOL(nvlist_lookup_boolean_array
);
3393 EXPORT_SYMBOL(nvlist_lookup_byte_array
);
3394 EXPORT_SYMBOL(nvlist_lookup_int8_array
);
3395 EXPORT_SYMBOL(nvlist_lookup_uint8_array
);
3396 EXPORT_SYMBOL(nvlist_lookup_int16_array
);
3397 EXPORT_SYMBOL(nvlist_lookup_uint16_array
);
3398 EXPORT_SYMBOL(nvlist_lookup_int32_array
);
3399 EXPORT_SYMBOL(nvlist_lookup_uint32_array
);
3400 EXPORT_SYMBOL(nvlist_lookup_int64_array
);
3401 EXPORT_SYMBOL(nvlist_lookup_uint64_array
);
3402 EXPORT_SYMBOL(nvlist_lookup_string_array
);
3403 EXPORT_SYMBOL(nvlist_lookup_nvlist_array
);
3404 EXPORT_SYMBOL(nvlist_lookup_hrtime
);
3405 EXPORT_SYMBOL(nvlist_lookup_pairs
);
3407 EXPORT_SYMBOL(nvlist_lookup_nvpair
);
3408 EXPORT_SYMBOL(nvlist_exists
);
3410 /* processing nvpair */
3411 EXPORT_SYMBOL(nvpair_name
);
3412 EXPORT_SYMBOL(nvpair_type
);
3413 EXPORT_SYMBOL(nvpair_value_boolean_value
);
3414 EXPORT_SYMBOL(nvpair_value_byte
);
3415 EXPORT_SYMBOL(nvpair_value_int8
);
3416 EXPORT_SYMBOL(nvpair_value_uint8
);
3417 EXPORT_SYMBOL(nvpair_value_int16
);
3418 EXPORT_SYMBOL(nvpair_value_uint16
);
3419 EXPORT_SYMBOL(nvpair_value_int32
);
3420 EXPORT_SYMBOL(nvpair_value_uint32
);
3421 EXPORT_SYMBOL(nvpair_value_int64
);
3422 EXPORT_SYMBOL(nvpair_value_uint64
);
3423 EXPORT_SYMBOL(nvpair_value_string
);
3424 EXPORT_SYMBOL(nvpair_value_nvlist
);
3425 EXPORT_SYMBOL(nvpair_value_boolean_array
);
3426 EXPORT_SYMBOL(nvpair_value_byte_array
);
3427 EXPORT_SYMBOL(nvpair_value_int8_array
);
3428 EXPORT_SYMBOL(nvpair_value_uint8_array
);
3429 EXPORT_SYMBOL(nvpair_value_int16_array
);
3430 EXPORT_SYMBOL(nvpair_value_uint16_array
);
3431 EXPORT_SYMBOL(nvpair_value_int32_array
);
3432 EXPORT_SYMBOL(nvpair_value_uint32_array
);
3433 EXPORT_SYMBOL(nvpair_value_int64_array
);
3434 EXPORT_SYMBOL(nvpair_value_uint64_array
);
3435 EXPORT_SYMBOL(nvpair_value_string_array
);
3436 EXPORT_SYMBOL(nvpair_value_nvlist_array
);
3437 EXPORT_SYMBOL(nvpair_value_hrtime
);