1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_NVPAIR_H 28 #define _SYS_NVPAIR_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/types.h> 33 #include <sys/errno.h> 34 #include <sys/va_list.h> 35 36 #if defined(_KERNEL) && !defined(_BOOT) 37 #include <sys/kmem.h> 38 #endif 39 40 #ifdef __cplusplus 41 extern "C" { 42 #endif 43 44 typedef enum { 45 DATA_TYPE_UNKNOWN = 0, 46 DATA_TYPE_BOOLEAN, 47 DATA_TYPE_BYTE, 48 DATA_TYPE_INT16, 49 DATA_TYPE_UINT16, 50 DATA_TYPE_INT32, 51 DATA_TYPE_UINT32, 52 DATA_TYPE_INT64, 53 DATA_TYPE_UINT64, 54 DATA_TYPE_STRING, 55 DATA_TYPE_BYTE_ARRAY, 56 DATA_TYPE_INT16_ARRAY, 57 DATA_TYPE_UINT16_ARRAY, 58 DATA_TYPE_INT32_ARRAY, 59 DATA_TYPE_UINT32_ARRAY, 60 DATA_TYPE_INT64_ARRAY, 61 DATA_TYPE_UINT64_ARRAY, 62 DATA_TYPE_STRING_ARRAY, 63 DATA_TYPE_HRTIME, 64 DATA_TYPE_NVLIST, 65 DATA_TYPE_NVLIST_ARRAY, 66 DATA_TYPE_BOOLEAN_VALUE, 67 DATA_TYPE_INT8, 68 DATA_TYPE_UINT8, 69 DATA_TYPE_BOOLEAN_ARRAY, 70 DATA_TYPE_INT8_ARRAY, 71 DATA_TYPE_UINT8_ARRAY 72 } data_type_t; 73 74 typedef struct nvpair { 75 int32_t nvp_size; /* size of this nvpair */ 76 int16_t nvp_name_sz; /* length of name string */ 77 int16_t nvp_reserve; /* not used */ 78 int32_t nvp_value_elem; /* number of elements for array types */ 79 data_type_t nvp_type; /* type of value */ 80 /* name string */ 81 /* aligned ptr array for string arrays */ 82 /* aligned array of data for value */ 83 } nvpair_t; 84 85 /* nvlist header */ 86 typedef struct nvlist { 87 int32_t nvl_version; 88 uint32_t nvl_nvflag; /* persistent flags */ 89 uint64_t nvl_priv; /* ptr to private data if not packed */ 90 uint32_t nvl_flag; 91 int32_t nvl_pad; /* currently not used, for alignment */ 92 } nvlist_t; 93 94 /* nvp implementation version */ 95 #define NV_VERSION 0 96 97 /* nvlist pack encoding */ 98 #define NV_ENCODE_NATIVE 0 99 #define NV_ENCODE_XDR 1 100 101 /* nvlist persistent unique name flags, stored in nvl_nvflags */ 102 #define NV_UNIQUE_NAME 0x1 103 #define NV_UNIQUE_NAME_TYPE 0x2 104 105 /* nvlist lookup pairs related flags */ 106 #define NV_FLAG_NOENTOK 0x1 107 108 /* convenience macros */ 109 #define NV_ALIGN(x) (((ulong_t)(x) + 7ul) & ~7ul) 110 #define NV_ALIGN4(x) (((x) + 3) & ~3) 111 112 #define NVP_SIZE(nvp) ((nvp)->nvp_size) 113 #define NVP_NAME(nvp) ((char *)(nvp) + sizeof (nvpair_t)) 114 #define NVP_TYPE(nvp) ((nvp)->nvp_type) 115 #define NVP_NELEM(nvp) ((nvp)->nvp_value_elem) 116 #define NVP_VALUE(nvp) ((char *)(nvp) + NV_ALIGN(sizeof (nvpair_t) \ 117 + (nvp)->nvp_name_sz)) 118 119 #define NVL_VERSION(nvl) ((nvl)->nvl_version) 120 #define NVL_SIZE(nvl) ((nvl)->nvl_size) 121 #define NVL_FLAG(nvl) ((nvl)->nvl_flag) 122 123 /* NV allocator framework */ 124 typedef struct nv_alloc_ops nv_alloc_ops_t; 125 126 typedef struct nv_alloc { 127 const nv_alloc_ops_t *nva_ops; 128 void *nva_arg; 129 } nv_alloc_t; 130 131 struct nv_alloc_ops { 132 int (*nv_ao_init)(nv_alloc_t *, __va_list); 133 void (*nv_ao_fini)(nv_alloc_t *); 134 void *(*nv_ao_alloc)(nv_alloc_t *, size_t); 135 void (*nv_ao_free)(nv_alloc_t *, void *, size_t); 136 void (*nv_ao_reset)(nv_alloc_t *); 137 }; 138 139 extern const nv_alloc_ops_t *nv_fixed_ops; 140 extern nv_alloc_t *nv_alloc_nosleep; 141 142 #if defined(_KERNEL) && !defined(_BOOT) 143 extern nv_alloc_t *nv_alloc_sleep; 144 #endif 145 146 int nv_alloc_init(nv_alloc_t *, const nv_alloc_ops_t *, /* args */ ...); 147 void nv_alloc_reset(nv_alloc_t *); 148 void nv_alloc_fini(nv_alloc_t *); 149 150 /* list management */ 151 int nvlist_alloc(nvlist_t **, uint_t, int); 152 void nvlist_free(nvlist_t *); 153 int nvlist_size(nvlist_t *, size_t *, int); 154 int nvlist_pack(nvlist_t *, char **, size_t *, int, int); 155 int nvlist_unpack(char *, size_t, nvlist_t **, int); 156 int nvlist_dup(nvlist_t *, nvlist_t **, int); 157 int nvlist_merge(nvlist_t *, nvlist_t *, int); 158 159 int nvlist_xalloc(nvlist_t **, uint_t, nv_alloc_t *); 160 int nvlist_xpack(nvlist_t *, char **, size_t *, int, nv_alloc_t *); 161 int nvlist_xunpack(char *, size_t, nvlist_t **, nv_alloc_t *); 162 int nvlist_xdup(nvlist_t *, nvlist_t **, nv_alloc_t *); 163 nv_alloc_t *nvlist_lookup_nv_alloc(nvlist_t *); 164 165 int nvlist_add_nvpair(nvlist_t *, nvpair_t *); 166 int nvlist_add_boolean(nvlist_t *, const char *); 167 int nvlist_add_boolean_value(nvlist_t *, const char *, boolean_t); 168 int nvlist_add_byte(nvlist_t *, const char *, uchar_t); 169 int nvlist_add_int8(nvlist_t *, const char *, int8_t); 170 int nvlist_add_uint8(nvlist_t *, const char *, uint8_t); 171 int nvlist_add_int16(nvlist_t *, const char *, int16_t); 172 int nvlist_add_uint16(nvlist_t *, const char *, uint16_t); 173 int nvlist_add_int32(nvlist_t *, const char *, int32_t); 174 int nvlist_add_uint32(nvlist_t *, const char *, uint32_t); 175 int nvlist_add_int64(nvlist_t *, const char *, int64_t); 176 int nvlist_add_uint64(nvlist_t *, const char *, uint64_t); 177 int nvlist_add_string(nvlist_t *, const char *, const char *); 178 int nvlist_add_nvlist(nvlist_t *, const char *, nvlist_t *); 179 int nvlist_add_boolean_array(nvlist_t *, const char *, boolean_t *, uint_t); 180 int nvlist_add_byte_array(nvlist_t *, const char *, uchar_t *, uint_t); 181 int nvlist_add_int8_array(nvlist_t *, const char *, int8_t *, uint_t); 182 int nvlist_add_uint8_array(nvlist_t *, const char *, uint8_t *, uint_t); 183 int nvlist_add_int16_array(nvlist_t *, const char *, int16_t *, uint_t); 184 int nvlist_add_uint16_array(nvlist_t *, const char *, uint16_t *, uint_t); 185 int nvlist_add_int32_array(nvlist_t *, const char *, int32_t *, uint_t); 186 int nvlist_add_uint32_array(nvlist_t *, const char *, uint32_t *, uint_t); 187 int nvlist_add_int64_array(nvlist_t *, const char *, int64_t *, uint_t); 188 int nvlist_add_uint64_array(nvlist_t *, const char *, uint64_t *, uint_t); 189 int nvlist_add_string_array(nvlist_t *, const char *, char *const *, uint_t); 190 int nvlist_add_nvlist_array(nvlist_t *, const char *, nvlist_t **, uint_t); 191 int nvlist_add_hrtime(nvlist_t *, const char *, hrtime_t); 192 193 int nvlist_remove(nvlist_t *, const char *, data_type_t); 194 int nvlist_remove_all(nvlist_t *, const char *); 195 196 int nvlist_lookup_boolean(nvlist_t *, const char *); 197 int nvlist_lookup_boolean_value(nvlist_t *, const char *, boolean_t *); 198 int nvlist_lookup_byte(nvlist_t *, const char *, uchar_t *); 199 int nvlist_lookup_int8(nvlist_t *, const char *, int8_t *); 200 int nvlist_lookup_uint8(nvlist_t *, const char *, uint8_t *); 201 int nvlist_lookup_int16(nvlist_t *, const char *, int16_t *); 202 int nvlist_lookup_uint16(nvlist_t *, const char *, uint16_t *); 203 int nvlist_lookup_int32(nvlist_t *, const char *, int32_t *); 204 int nvlist_lookup_uint32(nvlist_t *, const char *, uint32_t *); 205 int nvlist_lookup_int64(nvlist_t *, const char *, int64_t *); 206 int nvlist_lookup_uint64(nvlist_t *, const char *, uint64_t *); 207 int nvlist_lookup_string(nvlist_t *, const char *, char **); 208 int nvlist_lookup_nvlist(nvlist_t *, const char *, nvlist_t **); 209 int nvlist_lookup_boolean_array(nvlist_t *, const char *, 210 boolean_t **, uint_t *); 211 int nvlist_lookup_byte_array(nvlist_t *, const char *, uchar_t **, uint_t *); 212 int nvlist_lookup_int8_array(nvlist_t *, const char *, int8_t **, uint_t *); 213 int nvlist_lookup_uint8_array(nvlist_t *, const char *, uint8_t **, uint_t *); 214 int nvlist_lookup_int16_array(nvlist_t *, const char *, int16_t **, uint_t *); 215 int nvlist_lookup_uint16_array(nvlist_t *, const char *, uint16_t **, uint_t *); 216 int nvlist_lookup_int32_array(nvlist_t *, const char *, int32_t **, uint_t *); 217 int nvlist_lookup_uint32_array(nvlist_t *, const char *, uint32_t **, uint_t *); 218 int nvlist_lookup_int64_array(nvlist_t *, const char *, int64_t **, uint_t *); 219 int nvlist_lookup_uint64_array(nvlist_t *, const char *, uint64_t **, uint_t *); 220 int nvlist_lookup_string_array(nvlist_t *, const char *, char ***, uint_t *); 221 int nvlist_lookup_nvlist_array(nvlist_t *, const char *, 222 nvlist_t ***, uint_t *); 223 int nvlist_lookup_hrtime(nvlist_t *, const char *, hrtime_t *); 224 int nvlist_lookup_pairs(nvlist_t *nvl, int, ...); 225 226 /* processing nvpair */ 227 nvpair_t *nvlist_next_nvpair(nvlist_t *nvl, nvpair_t *); 228 char *nvpair_name(nvpair_t *); 229 data_type_t nvpair_type(nvpair_t *); 230 int nvpair_value_boolean_value(nvpair_t *, boolean_t *); 231 int nvpair_value_byte(nvpair_t *, uchar_t *); 232 int nvpair_value_int8(nvpair_t *, int8_t *); 233 int nvpair_value_uint8(nvpair_t *, uint8_t *); 234 int nvpair_value_int16(nvpair_t *, int16_t *); 235 int nvpair_value_uint16(nvpair_t *, uint16_t *); 236 int nvpair_value_int32(nvpair_t *, int32_t *); 237 int nvpair_value_uint32(nvpair_t *, uint32_t *); 238 int nvpair_value_int64(nvpair_t *, int64_t *); 239 int nvpair_value_uint64(nvpair_t *, uint64_t *); 240 int nvpair_value_string(nvpair_t *, char **); 241 int nvpair_value_nvlist(nvpair_t *, nvlist_t **); 242 int nvpair_value_boolean_array(nvpair_t *, boolean_t **, uint_t *); 243 int nvpair_value_byte_array(nvpair_t *, uchar_t **, uint_t *); 244 int nvpair_value_int8_array(nvpair_t *, int8_t **, uint_t *); 245 int nvpair_value_uint8_array(nvpair_t *, uint8_t **, uint_t *); 246 int nvpair_value_int16_array(nvpair_t *, int16_t **, uint_t *); 247 int nvpair_value_uint16_array(nvpair_t *, uint16_t **, uint_t *); 248 int nvpair_value_int32_array(nvpair_t *, int32_t **, uint_t *); 249 int nvpair_value_uint32_array(nvpair_t *, uint32_t **, uint_t *); 250 int nvpair_value_int64_array(nvpair_t *, int64_t **, uint_t *); 251 int nvpair_value_uint64_array(nvpair_t *, uint64_t **, uint_t *); 252 int nvpair_value_string_array(nvpair_t *, char ***, uint_t *); 253 int nvpair_value_nvlist_array(nvpair_t *, nvlist_t ***, uint_t *); 254 int nvpair_value_hrtime(nvpair_t *, hrtime_t *); 255 256 #ifdef __cplusplus 257 } 258 #endif 259 260 #endif /* _SYS_NVPAIR_H */ 261