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mirror_zfs/include/sys/nvpair.h
Warner Losh fbfc7e843a FreeBSD: make adjustments for the standalone environment 
In FreeBSD, there are three compile environments that are supported:
user land, the kernel and the bootloader / standalone. Adjust the
headers to compile in the standalone environment. Limit kernel-only
items from view when _STANDALONE is defined.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Warner Losh <imp@FreeBSD.org>
Closes #10998
2020-10-16 13:04:41 -07:00

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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2018 by Delphix. All rights reserved.
*/
#ifndef _SYS_NVPAIR_H
#define _SYS_NVPAIR_H
#include <sys/types.h>
#include <sys/time.h>
#include <sys/errno.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
DATA_TYPE_DONTCARE = -1,
DATA_TYPE_UNKNOWN = 0,
DATA_TYPE_BOOLEAN,
DATA_TYPE_BYTE,
DATA_TYPE_INT16,
DATA_TYPE_UINT16,
DATA_TYPE_INT32,
DATA_TYPE_UINT32,
DATA_TYPE_INT64,
DATA_TYPE_UINT64,
DATA_TYPE_STRING,
DATA_TYPE_BYTE_ARRAY,
DATA_TYPE_INT16_ARRAY,
DATA_TYPE_UINT16_ARRAY,
DATA_TYPE_INT32_ARRAY,
DATA_TYPE_UINT32_ARRAY,
DATA_TYPE_INT64_ARRAY,
DATA_TYPE_UINT64_ARRAY,
DATA_TYPE_STRING_ARRAY,
DATA_TYPE_HRTIME,
DATA_TYPE_NVLIST,
DATA_TYPE_NVLIST_ARRAY,
DATA_TYPE_BOOLEAN_VALUE,
DATA_TYPE_INT8,
DATA_TYPE_UINT8,
DATA_TYPE_BOOLEAN_ARRAY,
DATA_TYPE_INT8_ARRAY,
#if !defined(_KERNEL) && !defined(_STANDALONE)
DATA_TYPE_UINT8_ARRAY,
DATA_TYPE_DOUBLE
#else
DATA_TYPE_UINT8_ARRAY
#endif
} data_type_t;
typedef struct nvpair {
int32_t nvp_size; /* size of this nvpair */
int16_t nvp_name_sz; /* length of name string */
int16_t nvp_reserve; /* not used */
int32_t nvp_value_elem; /* number of elements for array types */
data_type_t nvp_type; /* type of value */
/* name string */
/* aligned ptr array for string arrays */
/* aligned array of data for value */
} nvpair_t;
/* nvlist header */
typedef struct nvlist {
int32_t nvl_version;
uint32_t nvl_nvflag; /* persistent flags */
uint64_t nvl_priv; /* ptr to private data if not packed */
uint32_t nvl_flag;
int32_t nvl_pad; /* currently not used, for alignment */
} nvlist_t;
/* nvp implementation version */
#define NV_VERSION 0
/* nvlist pack encoding */
#define NV_ENCODE_NATIVE 0
#define NV_ENCODE_XDR 1
/* nvlist persistent unique name flags, stored in nvl_nvflags */
#define NV_UNIQUE_NAME 0x1
#define NV_UNIQUE_NAME_TYPE 0x2
/* nvlist lookup pairs related flags */
#define NV_FLAG_NOENTOK 0x1
/* convenience macros */
#define NV_ALIGN(x) (((ulong_t)(x) + 7ul) & ~7ul)
#define NV_ALIGN4(x) (((x) + 3) & ~3)
#define NVP_SIZE(nvp) ((nvp)->nvp_size)
#define NVP_NAME(nvp) ((char *)(nvp) + sizeof (nvpair_t))
#define NVP_TYPE(nvp) ((nvp)->nvp_type)
#define NVP_NELEM(nvp) ((nvp)->nvp_value_elem)
#define NVP_VALUE(nvp) ((char *)(nvp) + NV_ALIGN(sizeof (nvpair_t) \
+ (nvp)->nvp_name_sz))
#define NVL_VERSION(nvl) ((nvl)->nvl_version)
#define NVL_SIZE(nvl) ((nvl)->nvl_size)
#define NVL_FLAG(nvl) ((nvl)->nvl_flag)
/* NV allocator framework */
typedef struct nv_alloc_ops nv_alloc_ops_t;
typedef struct nv_alloc {
const nv_alloc_ops_t *nva_ops;
void *nva_arg;
} nv_alloc_t;
struct nv_alloc_ops {
int (*nv_ao_init)(nv_alloc_t *, va_list);
void (*nv_ao_fini)(nv_alloc_t *);
void *(*nv_ao_alloc)(nv_alloc_t *, size_t);
void (*nv_ao_free)(nv_alloc_t *, void *, size_t);
void (*nv_ao_reset)(nv_alloc_t *);
};
extern const nv_alloc_ops_t *nv_fixed_ops;
extern nv_alloc_t *nv_alloc_nosleep;
#if defined(_KERNEL)
extern nv_alloc_t *nv_alloc_sleep;
extern nv_alloc_t *nv_alloc_pushpage;
#endif
int nv_alloc_init(nv_alloc_t *, const nv_alloc_ops_t *, /* args */ ...);
void nv_alloc_reset(nv_alloc_t *);
void nv_alloc_fini(nv_alloc_t *);
/* list management */
int nvlist_alloc(nvlist_t **, uint_t, int);
void nvlist_free(nvlist_t *);
int nvlist_size(nvlist_t *, size_t *, int);
int nvlist_pack(nvlist_t *, char **, size_t *, int, int);
int nvlist_unpack(char *, size_t, nvlist_t **, int);
int nvlist_dup(nvlist_t *, nvlist_t **, int);
int nvlist_merge(nvlist_t *, nvlist_t *, int);
uint_t nvlist_nvflag(nvlist_t *);
int nvlist_xalloc(nvlist_t **, uint_t, nv_alloc_t *);
int nvlist_xpack(nvlist_t *, char **, size_t *, int, nv_alloc_t *);
int nvlist_xunpack(char *, size_t, nvlist_t **, nv_alloc_t *);
int nvlist_xdup(nvlist_t *, nvlist_t **, nv_alloc_t *);
nv_alloc_t *nvlist_lookup_nv_alloc(nvlist_t *);
int nvlist_add_nvpair(nvlist_t *, nvpair_t *);
int nvlist_add_boolean(nvlist_t *, const char *);
int nvlist_add_boolean_value(nvlist_t *, const char *, boolean_t);
int nvlist_add_byte(nvlist_t *, const char *, uchar_t);
int nvlist_add_int8(nvlist_t *, const char *, int8_t);
int nvlist_add_uint8(nvlist_t *, const char *, uint8_t);
int nvlist_add_int16(nvlist_t *, const char *, int16_t);
int nvlist_add_uint16(nvlist_t *, const char *, uint16_t);
int nvlist_add_int32(nvlist_t *, const char *, int32_t);
int nvlist_add_uint32(nvlist_t *, const char *, uint32_t);
int nvlist_add_int64(nvlist_t *, const char *, int64_t);
int nvlist_add_uint64(nvlist_t *, const char *, uint64_t);
int nvlist_add_string(nvlist_t *, const char *, const char *);
int nvlist_add_nvlist(nvlist_t *, const char *, nvlist_t *);
int nvlist_add_boolean_array(nvlist_t *, const char *, boolean_t *, uint_t);
int nvlist_add_byte_array(nvlist_t *, const char *, uchar_t *, uint_t);
int nvlist_add_int8_array(nvlist_t *, const char *, int8_t *, uint_t);
int nvlist_add_uint8_array(nvlist_t *, const char *, uint8_t *, uint_t);
int nvlist_add_int16_array(nvlist_t *, const char *, int16_t *, uint_t);
int nvlist_add_uint16_array(nvlist_t *, const char *, uint16_t *, uint_t);
int nvlist_add_int32_array(nvlist_t *, const char *, int32_t *, uint_t);
int nvlist_add_uint32_array(nvlist_t *, const char *, uint32_t *, uint_t);
int nvlist_add_int64_array(nvlist_t *, const char *, int64_t *, uint_t);
int nvlist_add_uint64_array(nvlist_t *, const char *, uint64_t *, uint_t);
int nvlist_add_string_array(nvlist_t *, const char *, char *const *, uint_t);
int nvlist_add_nvlist_array(nvlist_t *, const char *, nvlist_t **, uint_t);
int nvlist_add_hrtime(nvlist_t *, const char *, hrtime_t);
#if !defined(_KERNEL) && !defined(_STANDALONE)
int nvlist_add_double(nvlist_t *, const char *, double);
#endif
int nvlist_remove(nvlist_t *, const char *, data_type_t);
int nvlist_remove_all(nvlist_t *, const char *);
int nvlist_remove_nvpair(nvlist_t *, nvpair_t *);
int nvlist_lookup_boolean(nvlist_t *, const char *);
int nvlist_lookup_boolean_value(nvlist_t *, const char *, boolean_t *);
int nvlist_lookup_byte(nvlist_t *, const char *, uchar_t *);
int nvlist_lookup_int8(nvlist_t *, const char *, int8_t *);
int nvlist_lookup_uint8(nvlist_t *, const char *, uint8_t *);
int nvlist_lookup_int16(nvlist_t *, const char *, int16_t *);
int nvlist_lookup_uint16(nvlist_t *, const char *, uint16_t *);
int nvlist_lookup_int32(nvlist_t *, const char *, int32_t *);
int nvlist_lookup_uint32(nvlist_t *, const char *, uint32_t *);
int nvlist_lookup_int64(nvlist_t *, const char *, int64_t *);
int nvlist_lookup_uint64(nvlist_t *, const char *, uint64_t *);
int nvlist_lookup_string(nvlist_t *, const char *, char **);
int nvlist_lookup_nvlist(nvlist_t *, const char *, nvlist_t **);
int nvlist_lookup_boolean_array(nvlist_t *, const char *,
boolean_t **, uint_t *);
int nvlist_lookup_byte_array(nvlist_t *, const char *, uchar_t **, uint_t *);
int nvlist_lookup_int8_array(nvlist_t *, const char *, int8_t **, uint_t *);
int nvlist_lookup_uint8_array(nvlist_t *, const char *, uint8_t **, uint_t *);
int nvlist_lookup_int16_array(nvlist_t *, const char *, int16_t **, uint_t *);
int nvlist_lookup_uint16_array(nvlist_t *, const char *, uint16_t **, uint_t *);
int nvlist_lookup_int32_array(nvlist_t *, const char *, int32_t **, uint_t *);
int nvlist_lookup_uint32_array(nvlist_t *, const char *, uint32_t **, uint_t *);
int nvlist_lookup_int64_array(nvlist_t *, const char *, int64_t **, uint_t *);
int nvlist_lookup_uint64_array(nvlist_t *, const char *, uint64_t **, uint_t *);
int nvlist_lookup_string_array(nvlist_t *, const char *, char ***, uint_t *);
int nvlist_lookup_nvlist_array(nvlist_t *, const char *,
nvlist_t ***, uint_t *);
int nvlist_lookup_hrtime(nvlist_t *, const char *, hrtime_t *);
int nvlist_lookup_pairs(nvlist_t *, int, ...);
#if !defined(_KERNEL) && !defined(_STANDALONE)
int nvlist_lookup_double(nvlist_t *, const char *, double *);
#endif
int nvlist_lookup_nvpair(nvlist_t *, const char *, nvpair_t **);
int nvlist_lookup_nvpair_embedded_index(nvlist_t *, const char *, nvpair_t **,
int *, char **);
boolean_t nvlist_exists(nvlist_t *, const char *);
boolean_t nvlist_empty(nvlist_t *);
/* processing nvpair */
nvpair_t *nvlist_next_nvpair(nvlist_t *, nvpair_t *);
nvpair_t *nvlist_prev_nvpair(nvlist_t *, nvpair_t *);
char *nvpair_name(nvpair_t *);
data_type_t nvpair_type(nvpair_t *);
int nvpair_type_is_array(nvpair_t *);
int nvpair_value_boolean_value(nvpair_t *, boolean_t *);
int nvpair_value_byte(nvpair_t *, uchar_t *);
int nvpair_value_int8(nvpair_t *, int8_t *);
int nvpair_value_uint8(nvpair_t *, uint8_t *);
int nvpair_value_int16(nvpair_t *, int16_t *);
int nvpair_value_uint16(nvpair_t *, uint16_t *);
int nvpair_value_int32(nvpair_t *, int32_t *);
int nvpair_value_uint32(nvpair_t *, uint32_t *);
int nvpair_value_int64(nvpair_t *, int64_t *);
int nvpair_value_uint64(nvpair_t *, uint64_t *);
int nvpair_value_string(nvpair_t *, char **);
int nvpair_value_nvlist(nvpair_t *, nvlist_t **);
int nvpair_value_boolean_array(nvpair_t *, boolean_t **, uint_t *);
int nvpair_value_byte_array(nvpair_t *, uchar_t **, uint_t *);
int nvpair_value_int8_array(nvpair_t *, int8_t **, uint_t *);
int nvpair_value_uint8_array(nvpair_t *, uint8_t **, uint_t *);
int nvpair_value_int16_array(nvpair_t *, int16_t **, uint_t *);
int nvpair_value_uint16_array(nvpair_t *, uint16_t **, uint_t *);
int nvpair_value_int32_array(nvpair_t *, int32_t **, uint_t *);
int nvpair_value_uint32_array(nvpair_t *, uint32_t **, uint_t *);
int nvpair_value_int64_array(nvpair_t *, int64_t **, uint_t *);
int nvpair_value_uint64_array(nvpair_t *, uint64_t **, uint_t *);
int nvpair_value_string_array(nvpair_t *, char ***, uint_t *);
int nvpair_value_nvlist_array(nvpair_t *, nvlist_t ***, uint_t *);
int nvpair_value_hrtime(nvpair_t *, hrtime_t *);
#if !defined(_KERNEL) && !defined(_STANDALONE)
int nvpair_value_double(nvpair_t *, double *);
#endif
nvlist_t *fnvlist_alloc(void);
void fnvlist_free(nvlist_t *);
size_t fnvlist_size(nvlist_t *);
char *fnvlist_pack(nvlist_t *, size_t *);
void fnvlist_pack_free(char *, size_t);
nvlist_t *fnvlist_unpack(char *, size_t);
nvlist_t *fnvlist_dup(nvlist_t *);
void fnvlist_merge(nvlist_t *, nvlist_t *);
size_t fnvlist_num_pairs(nvlist_t *);
void fnvlist_add_boolean(nvlist_t *, const char *);
void fnvlist_add_boolean_value(nvlist_t *, const char *, boolean_t);
void fnvlist_add_byte(nvlist_t *, const char *, uchar_t);
void fnvlist_add_int8(nvlist_t *, const char *, int8_t);
void fnvlist_add_uint8(nvlist_t *, const char *, uint8_t);
void fnvlist_add_int16(nvlist_t *, const char *, int16_t);
void fnvlist_add_uint16(nvlist_t *, const char *, uint16_t);
void fnvlist_add_int32(nvlist_t *, const char *, int32_t);
void fnvlist_add_uint32(nvlist_t *, const char *, uint32_t);
void fnvlist_add_int64(nvlist_t *, const char *, int64_t);
void fnvlist_add_uint64(nvlist_t *, const char *, uint64_t);
void fnvlist_add_string(nvlist_t *, const char *, const char *);
void fnvlist_add_nvlist(nvlist_t *, const char *, nvlist_t *);
void fnvlist_add_nvpair(nvlist_t *, nvpair_t *);
void fnvlist_add_boolean_array(nvlist_t *, const char *, boolean_t *, uint_t);
void fnvlist_add_byte_array(nvlist_t *, const char *, uchar_t *, uint_t);
void fnvlist_add_int8_array(nvlist_t *, const char *, int8_t *, uint_t);
void fnvlist_add_uint8_array(nvlist_t *, const char *, uint8_t *, uint_t);
void fnvlist_add_int16_array(nvlist_t *, const char *, int16_t *, uint_t);
void fnvlist_add_uint16_array(nvlist_t *, const char *, uint16_t *, uint_t);
void fnvlist_add_int32_array(nvlist_t *, const char *, int32_t *, uint_t);
void fnvlist_add_uint32_array(nvlist_t *, const char *, uint32_t *, uint_t);
void fnvlist_add_int64_array(nvlist_t *, const char *, int64_t *, uint_t);
void fnvlist_add_uint64_array(nvlist_t *, const char *, uint64_t *, uint_t);
void fnvlist_add_string_array(nvlist_t *, const char *, char * const *, uint_t);
void fnvlist_add_nvlist_array(nvlist_t *, const char *, nvlist_t **, uint_t);
void fnvlist_remove(nvlist_t *, const char *);
void fnvlist_remove_nvpair(nvlist_t *, nvpair_t *);
nvpair_t *fnvlist_lookup_nvpair(nvlist_t *, const char *);
boolean_t fnvlist_lookup_boolean(nvlist_t *, const char *);
boolean_t fnvlist_lookup_boolean_value(nvlist_t *, const char *);
uchar_t fnvlist_lookup_byte(nvlist_t *, const char *);
int8_t fnvlist_lookup_int8(nvlist_t *, const char *);
int16_t fnvlist_lookup_int16(nvlist_t *, const char *);
int32_t fnvlist_lookup_int32(nvlist_t *, const char *);
int64_t fnvlist_lookup_int64(nvlist_t *, const char *);
uint8_t fnvlist_lookup_uint8(nvlist_t *, const char *);
uint16_t fnvlist_lookup_uint16(nvlist_t *, const char *);
uint32_t fnvlist_lookup_uint32(nvlist_t *, const char *);
uint64_t fnvlist_lookup_uint64(nvlist_t *, const char *);
char *fnvlist_lookup_string(nvlist_t *, const char *);
nvlist_t *fnvlist_lookup_nvlist(nvlist_t *, const char *);
boolean_t *fnvlist_lookup_boolean_array(nvlist_t *, const char *, uint_t *);
uchar_t *fnvlist_lookup_byte_array(nvlist_t *, const char *, uint_t *);
int8_t *fnvlist_lookup_int8_array(nvlist_t *, const char *, uint_t *);
uint8_t *fnvlist_lookup_uint8_array(nvlist_t *, const char *, uint_t *);
int16_t *fnvlist_lookup_int16_array(nvlist_t *, const char *, uint_t *);
uint16_t *fnvlist_lookup_uint16_array(nvlist_t *, const char *, uint_t *);
int32_t *fnvlist_lookup_int32_array(nvlist_t *, const char *, uint_t *);
uint32_t *fnvlist_lookup_uint32_array(nvlist_t *, const char *, uint_t *);
int64_t *fnvlist_lookup_int64_array(nvlist_t *, const char *, uint_t *);
uint64_t *fnvlist_lookup_uint64_array(nvlist_t *, const char *, uint_t *);
boolean_t fnvpair_value_boolean_value(nvpair_t *nvp);
uchar_t fnvpair_value_byte(nvpair_t *nvp);
int8_t fnvpair_value_int8(nvpair_t *nvp);
int16_t fnvpair_value_int16(nvpair_t *nvp);
int32_t fnvpair_value_int32(nvpair_t *nvp);
int64_t fnvpair_value_int64(nvpair_t *nvp);
uint8_t fnvpair_value_uint8(nvpair_t *nvp);
uint16_t fnvpair_value_uint16(nvpair_t *nvp);
uint32_t fnvpair_value_uint32(nvpair_t *nvp);
uint64_t fnvpair_value_uint64(nvpair_t *nvp);
char *fnvpair_value_string(nvpair_t *nvp);
nvlist_t *fnvpair_value_nvlist(nvpair_t *nvp);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_NVPAIR_H */
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