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2619 asynchronous destruction of ZFS file systems
2747 SPA versioning with zfs feature flags
Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <gwilson@delphix.com>
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Reviewed by: Dan Kruchinin <dan.kruchinin@gmail.com>
Approved by: Dan McDonald <danmcd@nexenta.com>
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--- old/usr/src/uts/common/sys/nvpair.h
+++ new/usr/src/uts/common/sys/nvpair.h
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
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13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21 /*
22 22 * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
23 + * Copyright (c) 2012 by Delphix. All rights reserved.
23 24 */
24 25
25 26 #ifndef _SYS_NVPAIR_H
26 27 #define _SYS_NVPAIR_H
27 28
28 29 #include <sys/types.h>
30 +#include <sys/time.h>
29 31 #include <sys/errno.h>
30 32 #include <sys/va_list.h>
31 33
32 34 #if defined(_KERNEL) && !defined(_BOOT)
33 35 #include <sys/kmem.h>
34 36 #endif
35 37
36 38 #ifdef __cplusplus
37 39 extern "C" {
38 40 #endif
39 41
40 42 typedef enum {
41 43 DATA_TYPE_UNKNOWN = 0,
42 44 DATA_TYPE_BOOLEAN,
43 45 DATA_TYPE_BYTE,
44 46 DATA_TYPE_INT16,
45 47 DATA_TYPE_UINT16,
46 48 DATA_TYPE_INT32,
47 49 DATA_TYPE_UINT32,
48 50 DATA_TYPE_INT64,
49 51 DATA_TYPE_UINT64,
50 52 DATA_TYPE_STRING,
51 53 DATA_TYPE_BYTE_ARRAY,
52 54 DATA_TYPE_INT16_ARRAY,
53 55 DATA_TYPE_UINT16_ARRAY,
54 56 DATA_TYPE_INT32_ARRAY,
55 57 DATA_TYPE_UINT32_ARRAY,
56 58 DATA_TYPE_INT64_ARRAY,
57 59 DATA_TYPE_UINT64_ARRAY,
58 60 DATA_TYPE_STRING_ARRAY,
59 61 DATA_TYPE_HRTIME,
60 62 DATA_TYPE_NVLIST,
61 63 DATA_TYPE_NVLIST_ARRAY,
62 64 DATA_TYPE_BOOLEAN_VALUE,
63 65 DATA_TYPE_INT8,
64 66 DATA_TYPE_UINT8,
65 67 DATA_TYPE_BOOLEAN_ARRAY,
66 68 DATA_TYPE_INT8_ARRAY,
67 69 #if !defined(_KERNEL)
68 70 DATA_TYPE_UINT8_ARRAY,
69 71 DATA_TYPE_DOUBLE
70 72 #else
71 73 DATA_TYPE_UINT8_ARRAY
72 74 #endif
73 75 } data_type_t;
74 76
75 77 typedef struct nvpair {
76 78 int32_t nvp_size; /* size of this nvpair */
77 79 int16_t nvp_name_sz; /* length of name string */
78 80 int16_t nvp_reserve; /* not used */
79 81 int32_t nvp_value_elem; /* number of elements for array types */
80 82 data_type_t nvp_type; /* type of value */
81 83 /* name string */
82 84 /* aligned ptr array for string arrays */
83 85 /* aligned array of data for value */
84 86 } nvpair_t;
85 87
86 88 /* nvlist header */
87 89 typedef struct nvlist {
88 90 int32_t nvl_version;
89 91 uint32_t nvl_nvflag; /* persistent flags */
90 92 uint64_t nvl_priv; /* ptr to private data if not packed */
91 93 uint32_t nvl_flag;
92 94 int32_t nvl_pad; /* currently not used, for alignment */
93 95 } nvlist_t;
94 96
95 97 /* nvp implementation version */
96 98 #define NV_VERSION 0
97 99
98 100 /* nvlist pack encoding */
99 101 #define NV_ENCODE_NATIVE 0
100 102 #define NV_ENCODE_XDR 1
101 103
102 104 /* nvlist persistent unique name flags, stored in nvl_nvflags */
103 105 #define NV_UNIQUE_NAME 0x1
104 106 #define NV_UNIQUE_NAME_TYPE 0x2
105 107
106 108 /* nvlist lookup pairs related flags */
107 109 #define NV_FLAG_NOENTOK 0x1
108 110
109 111 /* convenience macros */
110 112 #define NV_ALIGN(x) (((ulong_t)(x) + 7ul) & ~7ul)
111 113 #define NV_ALIGN4(x) (((x) + 3) & ~3)
112 114
113 115 #define NVP_SIZE(nvp) ((nvp)->nvp_size)
114 116 #define NVP_NAME(nvp) ((char *)(nvp) + sizeof (nvpair_t))
115 117 #define NVP_TYPE(nvp) ((nvp)->nvp_type)
116 118 #define NVP_NELEM(nvp) ((nvp)->nvp_value_elem)
117 119 #define NVP_VALUE(nvp) ((char *)(nvp) + NV_ALIGN(sizeof (nvpair_t) \
118 120 + (nvp)->nvp_name_sz))
119 121
120 122 #define NVL_VERSION(nvl) ((nvl)->nvl_version)
121 123 #define NVL_SIZE(nvl) ((nvl)->nvl_size)
122 124 #define NVL_FLAG(nvl) ((nvl)->nvl_flag)
123 125
124 126 /* NV allocator framework */
125 127 typedef struct nv_alloc_ops nv_alloc_ops_t;
126 128
127 129 typedef struct nv_alloc {
128 130 const nv_alloc_ops_t *nva_ops;
129 131 void *nva_arg;
130 132 } nv_alloc_t;
131 133
132 134 struct nv_alloc_ops {
133 135 int (*nv_ao_init)(nv_alloc_t *, __va_list);
134 136 void (*nv_ao_fini)(nv_alloc_t *);
135 137 void *(*nv_ao_alloc)(nv_alloc_t *, size_t);
136 138 void (*nv_ao_free)(nv_alloc_t *, void *, size_t);
137 139 void (*nv_ao_reset)(nv_alloc_t *);
138 140 };
139 141
140 142 extern const nv_alloc_ops_t *nv_fixed_ops;
141 143 extern nv_alloc_t *nv_alloc_nosleep;
142 144
143 145 #if defined(_KERNEL) && !defined(_BOOT)
144 146 extern nv_alloc_t *nv_alloc_sleep;
145 147 #endif
146 148
147 149 int nv_alloc_init(nv_alloc_t *, const nv_alloc_ops_t *, /* args */ ...);
148 150 void nv_alloc_reset(nv_alloc_t *);
149 151 void nv_alloc_fini(nv_alloc_t *);
150 152
151 153 /* list management */
152 154 int nvlist_alloc(nvlist_t **, uint_t, int);
153 155 void nvlist_free(nvlist_t *);
154 156 int nvlist_size(nvlist_t *, size_t *, int);
155 157 int nvlist_pack(nvlist_t *, char **, size_t *, int, int);
156 158 int nvlist_unpack(char *, size_t, nvlist_t **, int);
157 159 int nvlist_dup(nvlist_t *, nvlist_t **, int);
158 160 int nvlist_merge(nvlist_t *, nvlist_t *, int);
159 161
160 162 uint_t nvlist_nvflag(nvlist_t *);
161 163
162 164 int nvlist_xalloc(nvlist_t **, uint_t, nv_alloc_t *);
163 165 int nvlist_xpack(nvlist_t *, char **, size_t *, int, nv_alloc_t *);
164 166 int nvlist_xunpack(char *, size_t, nvlist_t **, nv_alloc_t *);
165 167 int nvlist_xdup(nvlist_t *, nvlist_t **, nv_alloc_t *);
166 168 nv_alloc_t *nvlist_lookup_nv_alloc(nvlist_t *);
167 169
168 170 int nvlist_add_nvpair(nvlist_t *, nvpair_t *);
169 171 int nvlist_add_boolean(nvlist_t *, const char *);
170 172 int nvlist_add_boolean_value(nvlist_t *, const char *, boolean_t);
171 173 int nvlist_add_byte(nvlist_t *, const char *, uchar_t);
172 174 int nvlist_add_int8(nvlist_t *, const char *, int8_t);
173 175 int nvlist_add_uint8(nvlist_t *, const char *, uint8_t);
174 176 int nvlist_add_int16(nvlist_t *, const char *, int16_t);
175 177 int nvlist_add_uint16(nvlist_t *, const char *, uint16_t);
176 178 int nvlist_add_int32(nvlist_t *, const char *, int32_t);
177 179 int nvlist_add_uint32(nvlist_t *, const char *, uint32_t);
178 180 int nvlist_add_int64(nvlist_t *, const char *, int64_t);
179 181 int nvlist_add_uint64(nvlist_t *, const char *, uint64_t);
180 182 int nvlist_add_string(nvlist_t *, const char *, const char *);
181 183 int nvlist_add_nvlist(nvlist_t *, const char *, nvlist_t *);
182 184 int nvlist_add_boolean_array(nvlist_t *, const char *, boolean_t *, uint_t);
183 185 int nvlist_add_byte_array(nvlist_t *, const char *, uchar_t *, uint_t);
184 186 int nvlist_add_int8_array(nvlist_t *, const char *, int8_t *, uint_t);
185 187 int nvlist_add_uint8_array(nvlist_t *, const char *, uint8_t *, uint_t);
186 188 int nvlist_add_int16_array(nvlist_t *, const char *, int16_t *, uint_t);
187 189 int nvlist_add_uint16_array(nvlist_t *, const char *, uint16_t *, uint_t);
188 190 int nvlist_add_int32_array(nvlist_t *, const char *, int32_t *, uint_t);
189 191 int nvlist_add_uint32_array(nvlist_t *, const char *, uint32_t *, uint_t);
190 192 int nvlist_add_int64_array(nvlist_t *, const char *, int64_t *, uint_t);
191 193 int nvlist_add_uint64_array(nvlist_t *, const char *, uint64_t *, uint_t);
192 194 int nvlist_add_string_array(nvlist_t *, const char *, char *const *, uint_t);
193 195 int nvlist_add_nvlist_array(nvlist_t *, const char *, nvlist_t **, uint_t);
194 196 int nvlist_add_hrtime(nvlist_t *, const char *, hrtime_t);
195 197 #if !defined(_KERNEL)
196 198 int nvlist_add_double(nvlist_t *, const char *, double);
197 199 #endif
198 200
199 201 int nvlist_remove(nvlist_t *, const char *, data_type_t);
200 202 int nvlist_remove_all(nvlist_t *, const char *);
201 203 int nvlist_remove_nvpair(nvlist_t *, nvpair_t *);
202 204
203 205 int nvlist_lookup_boolean(nvlist_t *, const char *);
204 206 int nvlist_lookup_boolean_value(nvlist_t *, const char *, boolean_t *);
205 207 int nvlist_lookup_byte(nvlist_t *, const char *, uchar_t *);
206 208 int nvlist_lookup_int8(nvlist_t *, const char *, int8_t *);
207 209 int nvlist_lookup_uint8(nvlist_t *, const char *, uint8_t *);
208 210 int nvlist_lookup_int16(nvlist_t *, const char *, int16_t *);
209 211 int nvlist_lookup_uint16(nvlist_t *, const char *, uint16_t *);
210 212 int nvlist_lookup_int32(nvlist_t *, const char *, int32_t *);
211 213 int nvlist_lookup_uint32(nvlist_t *, const char *, uint32_t *);
212 214 int nvlist_lookup_int64(nvlist_t *, const char *, int64_t *);
213 215 int nvlist_lookup_uint64(nvlist_t *, const char *, uint64_t *);
214 216 int nvlist_lookup_string(nvlist_t *, const char *, char **);
215 217 int nvlist_lookup_nvlist(nvlist_t *, const char *, nvlist_t **);
216 218 int nvlist_lookup_boolean_array(nvlist_t *, const char *,
217 219 boolean_t **, uint_t *);
218 220 int nvlist_lookup_byte_array(nvlist_t *, const char *, uchar_t **, uint_t *);
219 221 int nvlist_lookup_int8_array(nvlist_t *, const char *, int8_t **, uint_t *);
220 222 int nvlist_lookup_uint8_array(nvlist_t *, const char *, uint8_t **, uint_t *);
221 223 int nvlist_lookup_int16_array(nvlist_t *, const char *, int16_t **, uint_t *);
222 224 int nvlist_lookup_uint16_array(nvlist_t *, const char *, uint16_t **, uint_t *);
223 225 int nvlist_lookup_int32_array(nvlist_t *, const char *, int32_t **, uint_t *);
224 226 int nvlist_lookup_uint32_array(nvlist_t *, const char *, uint32_t **, uint_t *);
225 227 int nvlist_lookup_int64_array(nvlist_t *, const char *, int64_t **, uint_t *);
226 228 int nvlist_lookup_uint64_array(nvlist_t *, const char *, uint64_t **, uint_t *);
227 229 int nvlist_lookup_string_array(nvlist_t *, const char *, char ***, uint_t *);
228 230 int nvlist_lookup_nvlist_array(nvlist_t *, const char *,
229 231 nvlist_t ***, uint_t *);
230 232 int nvlist_lookup_hrtime(nvlist_t *, const char *, hrtime_t *);
231 233 int nvlist_lookup_pairs(nvlist_t *, int, ...);
232 234 #if !defined(_KERNEL)
233 235 int nvlist_lookup_double(nvlist_t *, const char *, double *);
234 236 #endif
235 237
236 238 int nvlist_lookup_nvpair(nvlist_t *, const char *, nvpair_t **);
237 239 int nvlist_lookup_nvpair_embedded_index(nvlist_t *, const char *, nvpair_t **,
238 240 int *, char **);
239 241 boolean_t nvlist_exists(nvlist_t *, const char *);
240 242 boolean_t nvlist_empty(nvlist_t *);
241 243
242 244 /* processing nvpair */
243 245 nvpair_t *nvlist_next_nvpair(nvlist_t *, nvpair_t *);
244 246 nvpair_t *nvlist_prev_nvpair(nvlist_t *, nvpair_t *);
245 247 char *nvpair_name(nvpair_t *);
246 248 data_type_t nvpair_type(nvpair_t *);
247 249 int nvpair_type_is_array(nvpair_t *);
248 250 int nvpair_value_boolean_value(nvpair_t *, boolean_t *);
249 251 int nvpair_value_byte(nvpair_t *, uchar_t *);
250 252 int nvpair_value_int8(nvpair_t *, int8_t *);
251 253 int nvpair_value_uint8(nvpair_t *, uint8_t *);
252 254 int nvpair_value_int16(nvpair_t *, int16_t *);
253 255 int nvpair_value_uint16(nvpair_t *, uint16_t *);
254 256 int nvpair_value_int32(nvpair_t *, int32_t *);
255 257 int nvpair_value_uint32(nvpair_t *, uint32_t *);
256 258 int nvpair_value_int64(nvpair_t *, int64_t *);
257 259 int nvpair_value_uint64(nvpair_t *, uint64_t *);
258 260 int nvpair_value_string(nvpair_t *, char **);
259 261 int nvpair_value_nvlist(nvpair_t *, nvlist_t **);
260 262 int nvpair_value_boolean_array(nvpair_t *, boolean_t **, uint_t *);
261 263 int nvpair_value_byte_array(nvpair_t *, uchar_t **, uint_t *);
262 264 int nvpair_value_int8_array(nvpair_t *, int8_t **, uint_t *);
263 265 int nvpair_value_uint8_array(nvpair_t *, uint8_t **, uint_t *);
264 266 int nvpair_value_int16_array(nvpair_t *, int16_t **, uint_t *);
265 267 int nvpair_value_uint16_array(nvpair_t *, uint16_t **, uint_t *);
266 268 int nvpair_value_int32_array(nvpair_t *, int32_t **, uint_t *);
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267 269 int nvpair_value_uint32_array(nvpair_t *, uint32_t **, uint_t *);
268 270 int nvpair_value_int64_array(nvpair_t *, int64_t **, uint_t *);
269 271 int nvpair_value_uint64_array(nvpair_t *, uint64_t **, uint_t *);
270 272 int nvpair_value_string_array(nvpair_t *, char ***, uint_t *);
271 273 int nvpair_value_nvlist_array(nvpair_t *, nvlist_t ***, uint_t *);
272 274 int nvpair_value_hrtime(nvpair_t *, hrtime_t *);
273 275 #if !defined(_KERNEL)
274 276 int nvpair_value_double(nvpair_t *, double *);
275 277 #endif
276 278
279 +nvlist_t *fnvlist_alloc(void);
280 +void fnvlist_free(nvlist_t *);
281 +size_t fnvlist_size(nvlist_t *);
282 +char *fnvlist_pack(nvlist_t *, size_t *);
283 +void fnvlist_pack_free(char *, size_t);
284 +nvlist_t *fnvlist_unpack(char *, size_t);
285 +nvlist_t *fnvlist_dup(nvlist_t *);
286 +void fnvlist_merge(nvlist_t *, nvlist_t *);
287 +
288 +void fnvlist_add_boolean(nvlist_t *, const char *);
289 +void fnvlist_add_boolean_value(nvlist_t *, const char *, boolean_t);
290 +void fnvlist_add_byte(nvlist_t *, const char *, uchar_t);
291 +void fnvlist_add_int8(nvlist_t *, const char *, int8_t);
292 +void fnvlist_add_uint8(nvlist_t *, const char *, uint8_t);
293 +void fnvlist_add_int16(nvlist_t *, const char *, int16_t);
294 +void fnvlist_add_uint16(nvlist_t *, const char *, uint16_t);
295 +void fnvlist_add_int32(nvlist_t *, const char *, int32_t);
296 +void fnvlist_add_uint32(nvlist_t *, const char *, uint32_t);
297 +void fnvlist_add_int64(nvlist_t *, const char *, int64_t);
298 +void fnvlist_add_uint64(nvlist_t *, const char *, uint64_t);
299 +void fnvlist_add_string(nvlist_t *, const char *, const char *);
300 +void fnvlist_add_nvlist(nvlist_t *, const char *, nvlist_t *);
301 +void fnvlist_add_nvpair(nvlist_t *, nvpair_t *);
302 +void fnvlist_add_boolean_array(nvlist_t *, const char *, boolean_t *, uint_t);
303 +void fnvlist_add_byte_array(nvlist_t *, const char *, uchar_t *, uint_t);
304 +void fnvlist_add_int8_array(nvlist_t *, const char *, int8_t *, uint_t);
305 +void fnvlist_add_uint8_array(nvlist_t *, const char *, uint8_t *, uint_t);
306 +void fnvlist_add_int16_array(nvlist_t *, const char *, int16_t *, uint_t);
307 +void fnvlist_add_uint16_array(nvlist_t *, const char *, uint16_t *, uint_t);
308 +void fnvlist_add_int32_array(nvlist_t *, const char *, int32_t *, uint_t);
309 +void fnvlist_add_uint32_array(nvlist_t *, const char *, uint32_t *, uint_t);
310 +void fnvlist_add_int64_array(nvlist_t *, const char *, int64_t *, uint_t);
311 +void fnvlist_add_uint64_array(nvlist_t *, const char *, uint64_t *, uint_t);
312 +void fnvlist_add_string_array(nvlist_t *, const char *, char * const *, uint_t);
313 +void fnvlist_add_nvlist_array(nvlist_t *, const char *, nvlist_t **, uint_t);
314 +
315 +void fnvlist_remove(nvlist_t *, const char *);
316 +void fnvlist_remove_nvpair(nvlist_t *, nvpair_t *);
317 +
318 +nvpair_t *fnvlist_lookup_nvpair(nvlist_t *nvl, const char *name);
319 +boolean_t fnvlist_lookup_boolean(nvlist_t *nvl, const char *name);
320 +boolean_t fnvlist_lookup_boolean_value(nvlist_t *nvl, const char *name);
321 +uchar_t fnvlist_lookup_byte(nvlist_t *nvl, const char *name);
322 +int8_t fnvlist_lookup_int8(nvlist_t *nvl, const char *name);
323 +int16_t fnvlist_lookup_int16(nvlist_t *nvl, const char *name);
324 +int32_t fnvlist_lookup_int32(nvlist_t *nvl, const char *name);
325 +int64_t fnvlist_lookup_int64(nvlist_t *nvl, const char *name);
326 +uint8_t fnvlist_lookup_uint8_t(nvlist_t *nvl, const char *name);
327 +uint16_t fnvlist_lookup_uint16(nvlist_t *nvl, const char *name);
328 +uint32_t fnvlist_lookup_uint32(nvlist_t *nvl, const char *name);
329 +uint64_t fnvlist_lookup_uint64(nvlist_t *nvl, const char *name);
330 +char *fnvlist_lookup_string(nvlist_t *nvl, const char *name);
331 +nvlist_t *fnvlist_lookup_nvlist(nvlist_t *nvl, const char *name);
332 +
333 +boolean_t fnvpair_value_boolean_value(nvpair_t *nvp);
334 +uchar_t fnvpair_value_byte(nvpair_t *nvp);
335 +int8_t fnvpair_value_int8(nvpair_t *nvp);
336 +int16_t fnvpair_value_int16(nvpair_t *nvp);
337 +int32_t fnvpair_value_int32(nvpair_t *nvp);
338 +int64_t fnvpair_value_int64(nvpair_t *nvp);
339 +uint8_t fnvpair_value_uint8_t(nvpair_t *nvp);
340 +uint16_t fnvpair_value_uint16(nvpair_t *nvp);
341 +uint32_t fnvpair_value_uint32(nvpair_t *nvp);
342 +uint64_t fnvpair_value_uint64(nvpair_t *nvp);
343 +char *fnvpair_value_string(nvpair_t *nvp);
344 +nvlist_t *fnvpair_value_nvlist(nvpair_t *nvp);
345 +
277 346 #ifdef __cplusplus
278 347 }
279 348 #endif
280 349
281 350 #endif /* _SYS_NVPAIR_H */
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