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34dc7c2f BB |
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 (the "License"). | |
6 | * You may not use this file except in compliance with the License. | |
7 | * | |
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. | |
12 | * | |
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] | |
18 | * | |
19 | * CDDL HEADER END | |
20 | */ | |
21 | /* | |
428870ff | 22 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
93e28d66 | 23 | * Copyright (c) 2011, 2019 by Delphix. All rights reserved. |
3541dc6d | 24 | * Copyright 2011 Nexenta Systems, Inc. All rights reserved. |
0c66c32d | 25 | * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. |
3c67d83a | 26 | * Copyright 2013 Saso Kiselkov. All rights reserved. |
12fa0466 DE |
27 | * Copyright (c) 2014 Integros [integros.com] |
28 | * Copyright 2017 Joyent, Inc. | |
0ea05c64 | 29 | * Copyright (c) 2017 Datto Inc. |
cc99f275 | 30 | * Copyright (c) 2017, Intel Corporation. |
34dc7c2f BB |
31 | */ |
32 | ||
33 | #ifndef _SYS_SPA_H | |
34 | #define _SYS_SPA_H | |
35 | ||
34dc7c2f BB |
36 | #include <sys/avl.h> |
37 | #include <sys/zfs_context.h> | |
efcd79a8 | 38 | #include <sys/kstat.h> |
34dc7c2f BB |
39 | #include <sys/nvpair.h> |
40 | #include <sys/sysmacros.h> | |
41 | #include <sys/types.h> | |
42 | #include <sys/fs/zfs.h> | |
1eeb4562 | 43 | #include <sys/spa_checksum.h> |
c4434877 | 44 | #include <sys/dmu.h> |
93e28d66 | 45 | #include <sys/space_map.h> |
ca577779 | 46 | #include <sys/bitops.h> |
34dc7c2f BB |
47 | |
48 | #ifdef __cplusplus | |
49 | extern "C" { | |
50 | #endif | |
51 | ||
52 | /* | |
53 | * Forward references that lots of things need. | |
54 | */ | |
55 | typedef struct spa spa_t; | |
56 | typedef struct vdev vdev_t; | |
57 | typedef struct metaslab metaslab_t; | |
428870ff BB |
58 | typedef struct metaslab_group metaslab_group_t; |
59 | typedef struct metaslab_class metaslab_class_t; | |
60 | typedef struct zio zio_t; | |
34dc7c2f | 61 | typedef struct zilog zilog_t; |
34dc7c2f | 62 | typedef struct spa_aux_vdev spa_aux_vdev_t; |
428870ff BB |
63 | typedef struct ddt ddt_t; |
64 | typedef struct ddt_entry ddt_entry_t; | |
5dbd68a3 | 65 | typedef struct zbookmark_phys zbookmark_phys_t; |
1421c891 | 66 | |
37f03da8 SH |
67 | struct bpobj; |
68 | struct bplist; | |
34dc7c2f | 69 | struct dsl_pool; |
6f1ffb06 | 70 | struct dsl_dataset; |
b5256303 | 71 | struct dsl_crypto_params; |
34dc7c2f | 72 | |
34dc7c2f | 73 | /* |
f1512ee6 MA |
74 | * We currently support block sizes from 512 bytes to 16MB. |
75 | * The benefits of larger blocks, and thus larger IO, need to be weighed | |
76 | * against the cost of COWing a giant block to modify one byte, and the | |
77 | * large latency of reading or writing a large block. | |
78 | * | |
79 | * Note that although blocks up to 16MB are supported, the recordsize | |
80 | * property can not be set larger than zfs_max_recordsize (default 1MB). | |
81 | * See the comment near zfs_max_recordsize in dsl_dataset.c for details. | |
82 | * | |
83 | * Note that although the LSIZE field of the blkptr_t can store sizes up | |
84 | * to 32MB, the dnode's dn_datablkszsec can only store sizes up to | |
85 | * 32MB - 512 bytes. Therefore, we limit SPA_MAXBLOCKSIZE to 16MB. | |
34dc7c2f BB |
86 | */ |
87 | #define SPA_MINBLOCKSHIFT 9 | |
f1512ee6 MA |
88 | #define SPA_OLD_MAXBLOCKSHIFT 17 |
89 | #define SPA_MAXBLOCKSHIFT 24 | |
34dc7c2f | 90 | #define SPA_MINBLOCKSIZE (1ULL << SPA_MINBLOCKSHIFT) |
f1512ee6 | 91 | #define SPA_OLD_MAXBLOCKSIZE (1ULL << SPA_OLD_MAXBLOCKSHIFT) |
34dc7c2f BB |
92 | #define SPA_MAXBLOCKSIZE (1ULL << SPA_MAXBLOCKSHIFT) |
93 | ||
ff61d1a4 | 94 | /* |
95 | * Alignment Shift (ashift) is an immutable, internal top-level vdev property | |
96 | * which can only be set at vdev creation time. Physical writes are always done | |
97 | * according to it, which makes 2^ashift the smallest possible IO on a vdev. | |
98 | * | |
dddef7d6 | 99 | * We currently allow values ranging from 512 bytes (2^9 = 512) to 64 KiB |
100 | * (2^16 = 65,536). | |
ff61d1a4 | 101 | */ |
102 | #define ASHIFT_MIN 9 | |
dddef7d6 | 103 | #define ASHIFT_MAX 16 |
ff61d1a4 | 104 | |
b128c09f BB |
105 | /* |
106 | * Size of block to hold the configuration data (a packed nvlist) | |
107 | */ | |
9ae529ec | 108 | #define SPA_CONFIG_BLOCKSIZE (1ULL << 14) |
b128c09f | 109 | |
34dc7c2f BB |
110 | /* |
111 | * The DVA size encodings for LSIZE and PSIZE support blocks up to 32MB. | |
112 | * The ASIZE encoding should be at least 64 times larger (6 more bits) | |
113 | * to support up to 4-way RAID-Z mirror mode with worst-case gang block | |
114 | * overhead, three DVAs per bp, plus one more bit in case we do anything | |
115 | * else that expands the ASIZE. | |
116 | */ | |
117 | #define SPA_LSIZEBITS 16 /* LSIZE up to 32M (2^16 * 512) */ | |
118 | #define SPA_PSIZEBITS 16 /* PSIZE up to 32M (2^16 * 512) */ | |
119 | #define SPA_ASIZEBITS 24 /* ASIZE up to 64 times larger */ | |
120 | ||
d3c2ae1c | 121 | #define SPA_COMPRESSBITS 7 |
4d044c4c | 122 | #define SPA_VDEVBITS 24 |
d3c2ae1c | 123 | |
34dc7c2f BB |
124 | /* |
125 | * All SPA data is represented by 128-bit data virtual addresses (DVAs). | |
126 | * The members of the dva_t should be considered opaque outside the SPA. | |
127 | */ | |
128 | typedef struct dva { | |
129 | uint64_t dva_word[2]; | |
130 | } dva_t; | |
131 | ||
34dc7c2f | 132 | |
3c67d83a TH |
133 | /* |
134 | * Some checksums/hashes need a 256-bit initialization salt. This salt is kept | |
135 | * secret and is suitable for use in MAC algorithms as the key. | |
136 | */ | |
137 | typedef struct zio_cksum_salt { | |
138 | uint8_t zcs_bytes[32]; | |
139 | } zio_cksum_salt_t; | |
140 | ||
34dc7c2f BB |
141 | /* |
142 | * Each block is described by its DVAs, time of birth, checksum, etc. | |
143 | * The word-by-word, bit-by-bit layout of the blkptr is as follows: | |
144 | * | |
145 | * 64 56 48 40 32 24 16 8 0 | |
146 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
4d044c4c | 147 | * 0 | pad | vdev1 | GRID | ASIZE | |
34dc7c2f BB |
148 | * +-------+-------+-------+-------+-------+-------+-------+-------+ |
149 | * 1 |G| offset1 | | |
150 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
4d044c4c | 151 | * 2 | pad | vdev2 | GRID | ASIZE | |
34dc7c2f BB |
152 | * +-------+-------+-------+-------+-------+-------+-------+-------+ |
153 | * 3 |G| offset2 | | |
154 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
4d044c4c | 155 | * 4 | pad | vdev3 | GRID | ASIZE | |
34dc7c2f BB |
156 | * +-------+-------+-------+-------+-------+-------+-------+-------+ |
157 | * 5 |G| offset3 | | |
158 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
9b67f605 | 159 | * 6 |BDX|lvl| type | cksum |E| comp| PSIZE | LSIZE | |
34dc7c2f BB |
160 | * +-------+-------+-------+-------+-------+-------+-------+-------+ |
161 | * 7 | padding | | |
162 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
163 | * 8 | padding | | |
164 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
428870ff | 165 | * 9 | physical birth txg | |
34dc7c2f | 166 | * +-------+-------+-------+-------+-------+-------+-------+-------+ |
428870ff | 167 | * a | logical birth txg | |
34dc7c2f BB |
168 | * +-------+-------+-------+-------+-------+-------+-------+-------+ |
169 | * b | fill count | | |
170 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
171 | * c | checksum[0] | | |
172 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
173 | * d | checksum[1] | | |
174 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
175 | * e | checksum[2] | | |
176 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
177 | * f | checksum[3] | | |
178 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
179 | * | |
180 | * Legend: | |
181 | * | |
182 | * vdev virtual device ID | |
183 | * offset offset into virtual device | |
184 | * LSIZE logical size | |
185 | * PSIZE physical size (after compression) | |
186 | * ASIZE allocated size (including RAID-Z parity and gang block headers) | |
187 | * GRID RAID-Z layout information (reserved for future use) | |
188 | * cksum checksum function | |
189 | * comp compression function | |
190 | * G gang block indicator | |
428870ff BB |
191 | * B byteorder (endianness) |
192 | * D dedup | |
b5256303 | 193 | * X encryption |
9b67f605 | 194 | * E blkptr_t contains embedded data (see below) |
34dc7c2f | 195 | * lvl level of indirection |
428870ff | 196 | * type DMU object type |
a1d477c2 MA |
197 | * phys birth txg when dva[0] was written; zero if same as logical birth txg |
198 | * note that typically all the dva's would be written in this | |
199 | * txg, but they could be different if they were moved by | |
200 | * device removal. | |
428870ff | 201 | * log. birth transaction group in which the block was logically born |
34dc7c2f BB |
202 | * fill count number of non-zero blocks under this bp |
203 | * checksum[4] 256-bit checksum of the data this bp describes | |
204 | */ | |
9b67f605 | 205 | |
b5256303 TC |
206 | /* |
207 | * The blkptr_t's of encrypted blocks also need to store the encryption | |
208 | * parameters so that the block can be decrypted. This layout is as follows: | |
209 | * | |
210 | * 64 56 48 40 32 24 16 8 0 | |
211 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
212 | * 0 | vdev1 | GRID | ASIZE | | |
213 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
214 | * 1 |G| offset1 | | |
215 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
216 | * 2 | vdev2 | GRID | ASIZE | | |
217 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
218 | * 3 |G| offset2 | | |
219 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
220 | * 4 | salt | | |
221 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
222 | * 5 | IV1 | | |
223 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
224 | * 6 |BDX|lvl| type | cksum |E| comp| PSIZE | LSIZE | | |
225 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
226 | * 7 | padding | | |
227 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
228 | * 8 | padding | | |
229 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
230 | * 9 | physical birth txg | | |
231 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
232 | * a | logical birth txg | | |
233 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
234 | * b | IV2 | fill count | | |
235 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
236 | * c | checksum[0] | | |
237 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
238 | * d | checksum[1] | | |
239 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
240 | * e | MAC[0] | | |
241 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
242 | * f | MAC[1] | | |
243 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
244 | * | |
245 | * Legend: | |
246 | * | |
247 | * salt Salt for generating encryption keys | |
248 | * IV1 First 64 bits of encryption IV | |
249 | * X Block requires encryption handling (set to 1) | |
250 | * E blkptr_t contains embedded data (set to 0, see below) | |
251 | * fill count number of non-zero blocks under this bp (truncated to 32 bits) | |
252 | * IV2 Last 32 bits of encryption IV | |
253 | * checksum[2] 128-bit checksum of the data this bp describes | |
254 | * MAC[2] 128-bit message authentication code for this data | |
255 | * | |
256 | * The X bit being set indicates that this block is one of 3 types. If this is | |
257 | * a level 0 block with an encrypted object type, the block is encrypted | |
258 | * (see BP_IS_ENCRYPTED()). If this is a level 0 block with an unencrypted | |
259 | * object type, this block is authenticated with an HMAC (see | |
260 | * BP_IS_AUTHENTICATED()). Otherwise (if level > 0), this bp will use the MAC | |
261 | * words to store a checksum-of-MACs from the level below (see | |
262 | * BP_HAS_INDIRECT_MAC_CKSUM()). For convenience in the code, BP_IS_PROTECTED() | |
263 | * refers to both encrypted and authenticated blocks and BP_USES_CRYPT() | |
264 | * refers to any of these 3 kinds of blocks. | |
265 | * | |
266 | * The additional encryption parameters are the salt, IV, and MAC which are | |
267 | * explained in greater detail in the block comment at the top of zio_crypt.c. | |
268 | * The MAC occupies half of the checksum space since it serves a very similar | |
269 | * purpose: to prevent data corruption on disk. The only functional difference | |
270 | * is that the checksum is used to detect on-disk corruption whether or not the | |
271 | * encryption key is loaded and the MAC provides additional protection against | |
272 | * malicious disk tampering. We use the 3rd DVA to store the salt and first | |
273 | * 64 bits of the IV. As a result encrypted blocks can only have 2 copies | |
274 | * maximum instead of the normal 3. The last 32 bits of the IV are stored in | |
275 | * the upper bits of what is usually the fill count. Note that only blocks at | |
276 | * level 0 or -2 are ever encrypted, which allows us to guarantee that these | |
277 | * 32 bits are not trampled over by other code (see zio_crypt.c for details). | |
278 | * The salt and IV are not used for authenticated bps or bps with an indirect | |
279 | * MAC checksum, so these blocks can utilize all 3 DVAs and the full 64 bits | |
280 | * for the fill count. | |
281 | */ | |
282 | ||
9b67f605 MA |
283 | /* |
284 | * "Embedded" blkptr_t's don't actually point to a block, instead they | |
285 | * have a data payload embedded in the blkptr_t itself. See the comment | |
286 | * in blkptr.c for more details. | |
287 | * | |
288 | * The blkptr_t is laid out as follows: | |
289 | * | |
290 | * 64 56 48 40 32 24 16 8 0 | |
291 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
292 | * 0 | payload | | |
293 | * 1 | payload | | |
294 | * 2 | payload | | |
295 | * 3 | payload | | |
296 | * 4 | payload | | |
297 | * 5 | payload | | |
298 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
299 | * 6 |BDX|lvl| type | etype |E| comp| PSIZE| LSIZE | | |
300 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
301 | * 7 | payload | | |
302 | * 8 | payload | | |
303 | * 9 | payload | | |
304 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
305 | * a | logical birth txg | | |
306 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
307 | * b | payload | | |
308 | * c | payload | | |
309 | * d | payload | | |
310 | * e | payload | | |
311 | * f | payload | | |
312 | * +-------+-------+-------+-------+-------+-------+-------+-------+ | |
313 | * | |
314 | * Legend: | |
315 | * | |
316 | * payload contains the embedded data | |
317 | * B (byteorder) byteorder (endianness) | |
318 | * D (dedup) padding (set to zero) | |
b5256303 | 319 | * X encryption (set to zero) |
9b67f605 MA |
320 | * E (embedded) set to one |
321 | * lvl indirection level | |
322 | * type DMU object type | |
323 | * etype how to interpret embedded data (BP_EMBEDDED_TYPE_*) | |
324 | * comp compression function of payload | |
325 | * PSIZE size of payload after compression, in bytes | |
326 | * LSIZE logical size of payload, in bytes | |
327 | * note that 25 bits is enough to store the largest | |
328 | * "normal" BP's LSIZE (2^16 * 2^9) in bytes | |
329 | * log. birth transaction group in which the block was logically born | |
330 | * | |
331 | * Note that LSIZE and PSIZE are stored in bytes, whereas for non-embedded | |
332 | * bp's they are stored in units of SPA_MINBLOCKSHIFT. | |
333 | * Generally, the generic BP_GET_*() macros can be used on embedded BP's. | |
334 | * The B, D, X, lvl, type, and comp fields are stored the same as with normal | |
335 | * BP's so the BP_SET_* macros can be used with them. etype, PSIZE, LSIZE must | |
336 | * be set with the BPE_SET_* macros. BP_SET_EMBEDDED() should be called before | |
337 | * other macros, as they assert that they are only used on BP's of the correct | |
b5256303 TC |
338 | * "embedded-ness". Encrypted blkptr_t's cannot be embedded because they use |
339 | * the payload space for encryption parameters (see the comment above on | |
340 | * how encryption parameters are stored). | |
9b67f605 MA |
341 | */ |
342 | ||
343 | #define BPE_GET_ETYPE(bp) \ | |
344 | (ASSERT(BP_IS_EMBEDDED(bp)), \ | |
345 | BF64_GET((bp)->blk_prop, 40, 8)) | |
346 | #define BPE_SET_ETYPE(bp, t) do { \ | |
347 | ASSERT(BP_IS_EMBEDDED(bp)); \ | |
348 | BF64_SET((bp)->blk_prop, 40, 8, t); \ | |
349 | _NOTE(CONSTCOND) } while (0) | |
350 | ||
351 | #define BPE_GET_LSIZE(bp) \ | |
352 | (ASSERT(BP_IS_EMBEDDED(bp)), \ | |
353 | BF64_GET_SB((bp)->blk_prop, 0, 25, 0, 1)) | |
354 | #define BPE_SET_LSIZE(bp, x) do { \ | |
355 | ASSERT(BP_IS_EMBEDDED(bp)); \ | |
356 | BF64_SET_SB((bp)->blk_prop, 0, 25, 0, 1, x); \ | |
357 | _NOTE(CONSTCOND) } while (0) | |
358 | ||
359 | #define BPE_GET_PSIZE(bp) \ | |
360 | (ASSERT(BP_IS_EMBEDDED(bp)), \ | |
361 | BF64_GET_SB((bp)->blk_prop, 25, 7, 0, 1)) | |
362 | #define BPE_SET_PSIZE(bp, x) do { \ | |
363 | ASSERT(BP_IS_EMBEDDED(bp)); \ | |
364 | BF64_SET_SB((bp)->blk_prop, 25, 7, 0, 1, x); \ | |
365 | _NOTE(CONSTCOND) } while (0) | |
366 | ||
367 | typedef enum bp_embedded_type { | |
368 | BP_EMBEDDED_TYPE_DATA, | |
746d4a45 | 369 | BP_EMBEDDED_TYPE_RESERVED, /* Reserved for Delphix byteswap feature. */ |
30af21b0 | 370 | BP_EMBEDDED_TYPE_REDACTED, |
746d4a45 | 371 | NUM_BP_EMBEDDED_TYPES |
9b67f605 MA |
372 | } bp_embedded_type_t; |
373 | ||
374 | #define BPE_NUM_WORDS 14 | |
375 | #define BPE_PAYLOAD_SIZE (BPE_NUM_WORDS * sizeof (uint64_t)) | |
376 | #define BPE_IS_PAYLOADWORD(bp, wp) \ | |
377 | ((wp) != &(bp)->blk_prop && (wp) != &(bp)->blk_birth) | |
378 | ||
34dc7c2f BB |
379 | #define SPA_BLKPTRSHIFT 7 /* blkptr_t is 128 bytes */ |
380 | #define SPA_DVAS_PER_BP 3 /* Number of DVAs in a bp */ | |
6cb8e530 | 381 | #define SPA_SYNC_MIN_VDEVS 3 /* min vdevs to update during sync */ |
34dc7c2f | 382 | |
b0bc7a84 MG |
383 | /* |
384 | * A block is a hole when it has either 1) never been written to, or | |
385 | * 2) is zero-filled. In both cases, ZFS can return all zeroes for all reads | |
386 | * without physically allocating disk space. Holes are represented in the | |
387 | * blkptr_t structure by zeroed blk_dva. Correct checking for holes is | |
388 | * done through the BP_IS_HOLE macro. For holes, the logical size, level, | |
389 | * DMU object type, and birth times are all also stored for holes that | |
390 | * were written to at some point (i.e. were punched after having been filled). | |
391 | */ | |
428870ff BB |
392 | typedef struct blkptr { |
393 | dva_t blk_dva[SPA_DVAS_PER_BP]; /* Data Virtual Addresses */ | |
394 | uint64_t blk_prop; /* size, compression, type, etc */ | |
395 | uint64_t blk_pad[2]; /* Extra space for the future */ | |
396 | uint64_t blk_phys_birth; /* txg when block was allocated */ | |
397 | uint64_t blk_birth; /* transaction group at birth */ | |
398 | uint64_t blk_fill; /* fill count */ | |
399 | zio_cksum_t blk_cksum; /* 256-bit checksum */ | |
400 | } blkptr_t; | |
401 | ||
34dc7c2f BB |
402 | /* |
403 | * Macros to get and set fields in a bp or DVA. | |
404 | */ | |
405 | #define DVA_GET_ASIZE(dva) \ | |
b0bc7a84 | 406 | BF64_GET_SB((dva)->dva_word[0], 0, SPA_ASIZEBITS, SPA_MINBLOCKSHIFT, 0) |
34dc7c2f | 407 | #define DVA_SET_ASIZE(dva, x) \ |
b0bc7a84 MG |
408 | BF64_SET_SB((dva)->dva_word[0], 0, SPA_ASIZEBITS, \ |
409 | SPA_MINBLOCKSHIFT, 0, x) | |
34dc7c2f BB |
410 | |
411 | #define DVA_GET_GRID(dva) BF64_GET((dva)->dva_word[0], 24, 8) | |
412 | #define DVA_SET_GRID(dva, x) BF64_SET((dva)->dva_word[0], 24, 8, x) | |
413 | ||
4d044c4c SD |
414 | #define DVA_GET_VDEV(dva) BF64_GET((dva)->dva_word[0], 32, SPA_VDEVBITS) |
415 | #define DVA_SET_VDEV(dva, x) \ | |
416 | BF64_SET((dva)->dva_word[0], 32, SPA_VDEVBITS, x) | |
34dc7c2f BB |
417 | |
418 | #define DVA_GET_OFFSET(dva) \ | |
419 | BF64_GET_SB((dva)->dva_word[1], 0, 63, SPA_MINBLOCKSHIFT, 0) | |
420 | #define DVA_SET_OFFSET(dva, x) \ | |
421 | BF64_SET_SB((dva)->dva_word[1], 0, 63, SPA_MINBLOCKSHIFT, 0, x) | |
422 | ||
423 | #define DVA_GET_GANG(dva) BF64_GET((dva)->dva_word[1], 63, 1) | |
424 | #define DVA_SET_GANG(dva, x) BF64_SET((dva)->dva_word[1], 63, 1, x) | |
425 | ||
426 | #define BP_GET_LSIZE(bp) \ | |
9b67f605 MA |
427 | (BP_IS_EMBEDDED(bp) ? \ |
428 | (BPE_GET_ETYPE(bp) == BP_EMBEDDED_TYPE_DATA ? BPE_GET_LSIZE(bp) : 0): \ | |
429 | BF64_GET_SB((bp)->blk_prop, 0, SPA_LSIZEBITS, SPA_MINBLOCKSHIFT, 1)) | |
430 | #define BP_SET_LSIZE(bp, x) do { \ | |
431 | ASSERT(!BP_IS_EMBEDDED(bp)); \ | |
432 | BF64_SET_SB((bp)->blk_prop, \ | |
433 | 0, SPA_LSIZEBITS, SPA_MINBLOCKSHIFT, 1, x); \ | |
434 | _NOTE(CONSTCOND) } while (0) | |
34dc7c2f BB |
435 | |
436 | #define BP_GET_PSIZE(bp) \ | |
9b67f605 MA |
437 | (BP_IS_EMBEDDED(bp) ? 0 : \ |
438 | BF64_GET_SB((bp)->blk_prop, 16, SPA_PSIZEBITS, SPA_MINBLOCKSHIFT, 1)) | |
439 | #define BP_SET_PSIZE(bp, x) do { \ | |
440 | ASSERT(!BP_IS_EMBEDDED(bp)); \ | |
441 | BF64_SET_SB((bp)->blk_prop, \ | |
442 | 16, SPA_PSIZEBITS, SPA_MINBLOCKSHIFT, 1, x); \ | |
443 | _NOTE(CONSTCOND) } while (0) | |
444 | ||
d3c2ae1c GW |
445 | #define BP_GET_COMPRESS(bp) \ |
446 | BF64_GET((bp)->blk_prop, 32, SPA_COMPRESSBITS) | |
447 | #define BP_SET_COMPRESS(bp, x) \ | |
448 | BF64_SET((bp)->blk_prop, 32, SPA_COMPRESSBITS, x) | |
34dc7c2f | 449 | |
9b67f605 MA |
450 | #define BP_IS_EMBEDDED(bp) BF64_GET((bp)->blk_prop, 39, 1) |
451 | #define BP_SET_EMBEDDED(bp, x) BF64_SET((bp)->blk_prop, 39, 1, x) | |
428870ff | 452 | |
9b67f605 MA |
453 | #define BP_GET_CHECKSUM(bp) \ |
454 | (BP_IS_EMBEDDED(bp) ? ZIO_CHECKSUM_OFF : \ | |
455 | BF64_GET((bp)->blk_prop, 40, 8)) | |
456 | #define BP_SET_CHECKSUM(bp, x) do { \ | |
457 | ASSERT(!BP_IS_EMBEDDED(bp)); \ | |
458 | BF64_SET((bp)->blk_prop, 40, 8, x); \ | |
459 | _NOTE(CONSTCOND) } while (0) | |
34dc7c2f | 460 | |
428870ff BB |
461 | #define BP_GET_TYPE(bp) BF64_GET((bp)->blk_prop, 48, 8) |
462 | #define BP_SET_TYPE(bp, x) BF64_SET((bp)->blk_prop, 48, 8, x) | |
34dc7c2f | 463 | |
428870ff BB |
464 | #define BP_GET_LEVEL(bp) BF64_GET((bp)->blk_prop, 56, 5) |
465 | #define BP_SET_LEVEL(bp, x) BF64_SET((bp)->blk_prop, 56, 5, x) | |
34dc7c2f | 466 | |
b5256303 TC |
467 | /* encrypted, authenticated, and MAC cksum bps use the same bit */ |
468 | #define BP_USES_CRYPT(bp) BF64_GET((bp)->blk_prop, 61, 1) | |
469 | #define BP_SET_CRYPT(bp, x) BF64_SET((bp)->blk_prop, 61, 1, x) | |
470 | ||
471 | #define BP_IS_ENCRYPTED(bp) \ | |
472 | (BP_USES_CRYPT(bp) && \ | |
473 | BP_GET_LEVEL(bp) <= 0 && \ | |
474 | DMU_OT_IS_ENCRYPTED(BP_GET_TYPE(bp))) | |
475 | ||
476 | #define BP_IS_AUTHENTICATED(bp) \ | |
477 | (BP_USES_CRYPT(bp) && \ | |
478 | BP_GET_LEVEL(bp) <= 0 && \ | |
479 | !DMU_OT_IS_ENCRYPTED(BP_GET_TYPE(bp))) | |
480 | ||
481 | #define BP_HAS_INDIRECT_MAC_CKSUM(bp) \ | |
482 | (BP_USES_CRYPT(bp) && BP_GET_LEVEL(bp) > 0) | |
483 | ||
484 | #define BP_IS_PROTECTED(bp) \ | |
485 | (BP_IS_ENCRYPTED(bp) || BP_IS_AUTHENTICATED(bp)) | |
486 | ||
428870ff BB |
487 | #define BP_GET_DEDUP(bp) BF64_GET((bp)->blk_prop, 62, 1) |
488 | #define BP_SET_DEDUP(bp, x) BF64_SET((bp)->blk_prop, 62, 1, x) | |
489 | ||
b0bc7a84 | 490 | #define BP_GET_BYTEORDER(bp) BF64_GET((bp)->blk_prop, 63, 1) |
428870ff BB |
491 | #define BP_SET_BYTEORDER(bp, x) BF64_SET((bp)->blk_prop, 63, 1, x) |
492 | ||
37f03da8 SH |
493 | #define BP_GET_FREE(bp) BF64_GET((bp)->blk_fill, 0, 1) |
494 | #define BP_SET_FREE(bp, x) BF64_SET((bp)->blk_fill, 0, 1, x) | |
495 | ||
428870ff | 496 | #define BP_PHYSICAL_BIRTH(bp) \ |
9b67f605 MA |
497 | (BP_IS_EMBEDDED(bp) ? 0 : \ |
498 | (bp)->blk_phys_birth ? (bp)->blk_phys_birth : (bp)->blk_birth) | |
428870ff BB |
499 | |
500 | #define BP_SET_BIRTH(bp, logical, physical) \ | |
501 | { \ | |
9b67f605 | 502 | ASSERT(!BP_IS_EMBEDDED(bp)); \ |
428870ff BB |
503 | (bp)->blk_birth = (logical); \ |
504 | (bp)->blk_phys_birth = ((logical) == (physical) ? 0 : (physical)); \ | |
505 | } | |
34dc7c2f | 506 | |
b5256303 TC |
507 | #define BP_GET_FILL(bp) \ |
508 | ((BP_IS_ENCRYPTED(bp)) ? BF64_GET((bp)->blk_fill, 0, 32) : \ | |
509 | ((BP_IS_EMBEDDED(bp)) ? 1 : (bp)->blk_fill)) | |
510 | ||
511 | #define BP_SET_FILL(bp, fill) \ | |
512 | { \ | |
513 | if (BP_IS_ENCRYPTED(bp)) \ | |
514 | BF64_SET((bp)->blk_fill, 0, 32, fill); \ | |
515 | else \ | |
516 | (bp)->blk_fill = fill; \ | |
517 | } | |
518 | ||
519 | #define BP_GET_IV2(bp) \ | |
520 | (ASSERT(BP_IS_ENCRYPTED(bp)), \ | |
521 | BF64_GET((bp)->blk_fill, 32, 32)) | |
522 | #define BP_SET_IV2(bp, iv2) \ | |
523 | { \ | |
524 | ASSERT(BP_IS_ENCRYPTED(bp)); \ | |
525 | BF64_SET((bp)->blk_fill, 32, 32, iv2); \ | |
526 | } | |
9b67f605 | 527 | |
a6255b7f DQ |
528 | #define BP_IS_METADATA(bp) \ |
529 | (BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp))) | |
530 | ||
34dc7c2f | 531 | #define BP_GET_ASIZE(bp) \ |
9b67f605 MA |
532 | (BP_IS_EMBEDDED(bp) ? 0 : \ |
533 | DVA_GET_ASIZE(&(bp)->blk_dva[0]) + \ | |
534 | DVA_GET_ASIZE(&(bp)->blk_dva[1]) + \ | |
b5256303 | 535 | (DVA_GET_ASIZE(&(bp)->blk_dva[2]) * !BP_IS_ENCRYPTED(bp))) |
34dc7c2f | 536 | |
a6255b7f DQ |
537 | #define BP_GET_UCSIZE(bp) \ |
538 | (BP_IS_METADATA(bp) ? BP_GET_PSIZE(bp) : BP_GET_LSIZE(bp)) | |
34dc7c2f BB |
539 | |
540 | #define BP_GET_NDVAS(bp) \ | |
9b67f605 MA |
541 | (BP_IS_EMBEDDED(bp) ? 0 : \ |
542 | !!DVA_GET_ASIZE(&(bp)->blk_dva[0]) + \ | |
34dc7c2f | 543 | !!DVA_GET_ASIZE(&(bp)->blk_dva[1]) + \ |
b5256303 | 544 | (!!DVA_GET_ASIZE(&(bp)->blk_dva[2]) * !BP_IS_ENCRYPTED(bp))) |
34dc7c2f BB |
545 | |
546 | #define BP_COUNT_GANG(bp) \ | |
9b67f605 | 547 | (BP_IS_EMBEDDED(bp) ? 0 : \ |
34dc7c2f BB |
548 | (DVA_GET_GANG(&(bp)->blk_dva[0]) + \ |
549 | DVA_GET_GANG(&(bp)->blk_dva[1]) + \ | |
b5256303 | 550 | (DVA_GET_GANG(&(bp)->blk_dva[2]) * !BP_IS_ENCRYPTED(bp)))) |
34dc7c2f BB |
551 | |
552 | #define DVA_EQUAL(dva1, dva2) \ | |
553 | ((dva1)->dva_word[1] == (dva2)->dva_word[1] && \ | |
554 | (dva1)->dva_word[0] == (dva2)->dva_word[0]) | |
555 | ||
428870ff BB |
556 | #define BP_EQUAL(bp1, bp2) \ |
557 | (BP_PHYSICAL_BIRTH(bp1) == BP_PHYSICAL_BIRTH(bp2) && \ | |
9b67f605 | 558 | (bp1)->blk_birth == (bp2)->blk_birth && \ |
428870ff BB |
559 | DVA_EQUAL(&(bp1)->blk_dva[0], &(bp2)->blk_dva[0]) && \ |
560 | DVA_EQUAL(&(bp1)->blk_dva[1], &(bp2)->blk_dva[1]) && \ | |
561 | DVA_EQUAL(&(bp1)->blk_dva[2], &(bp2)->blk_dva[2])) | |
562 | ||
37f8a883 | 563 | |
34dc7c2f BB |
564 | #define DVA_IS_VALID(dva) (DVA_GET_ASIZE(dva) != 0) |
565 | ||
9b67f605 MA |
566 | #define BP_IDENTITY(bp) (ASSERT(!BP_IS_EMBEDDED(bp)), &(bp)->blk_dva[0]) |
567 | #define BP_IS_GANG(bp) \ | |
568 | (BP_IS_EMBEDDED(bp) ? B_FALSE : DVA_GET_GANG(BP_IDENTITY(bp))) | |
b0bc7a84 MG |
569 | #define DVA_IS_EMPTY(dva) ((dva)->dva_word[0] == 0ULL && \ |
570 | (dva)->dva_word[1] == 0ULL) | |
9b67f605 MA |
571 | #define BP_IS_HOLE(bp) \ |
572 | (!BP_IS_EMBEDDED(bp) && DVA_IS_EMPTY(BP_IDENTITY(bp))) | |
428870ff | 573 | |
30af21b0 PD |
574 | #define BP_SET_REDACTED(bp) \ |
575 | { \ | |
576 | BP_SET_EMBEDDED(bp, B_TRUE); \ | |
577 | BPE_SET_ETYPE(bp, BP_EMBEDDED_TYPE_REDACTED); \ | |
578 | } | |
579 | #define BP_IS_REDACTED(bp) \ | |
580 | (BP_IS_EMBEDDED(bp) && BPE_GET_ETYPE(bp) == BP_EMBEDDED_TYPE_REDACTED) | |
581 | ||
428870ff BB |
582 | /* BP_IS_RAIDZ(bp) assumes no block compression */ |
583 | #define BP_IS_RAIDZ(bp) (DVA_GET_ASIZE(&(bp)->blk_dva[0]) > \ | |
584 | BP_GET_PSIZE(bp)) | |
34dc7c2f | 585 | |
b128c09f | 586 | #define BP_ZERO(bp) \ |
34dc7c2f BB |
587 | { \ |
588 | (bp)->blk_dva[0].dva_word[0] = 0; \ | |
589 | (bp)->blk_dva[0].dva_word[1] = 0; \ | |
590 | (bp)->blk_dva[1].dva_word[0] = 0; \ | |
591 | (bp)->blk_dva[1].dva_word[1] = 0; \ | |
592 | (bp)->blk_dva[2].dva_word[0] = 0; \ | |
593 | (bp)->blk_dva[2].dva_word[1] = 0; \ | |
34dc7c2f BB |
594 | (bp)->blk_prop = 0; \ |
595 | (bp)->blk_pad[0] = 0; \ | |
596 | (bp)->blk_pad[1] = 0; \ | |
428870ff | 597 | (bp)->blk_phys_birth = 0; \ |
b128c09f | 598 | (bp)->blk_birth = 0; \ |
34dc7c2f BB |
599 | (bp)->blk_fill = 0; \ |
600 | ZIO_SET_CHECKSUM(&(bp)->blk_cksum, 0, 0, 0, 0); \ | |
601 | } | |
602 | ||
34dc7c2f BB |
603 | #ifdef _BIG_ENDIAN |
604 | #define ZFS_HOST_BYTEORDER (0ULL) | |
605 | #else | |
b0bc7a84 | 606 | #define ZFS_HOST_BYTEORDER (1ULL) |
34dc7c2f BB |
607 | #endif |
608 | ||
609 | #define BP_SHOULD_BYTESWAP(bp) (BP_GET_BYTEORDER(bp) != ZFS_HOST_BYTEORDER) | |
610 | ||
b5256303 | 611 | #define BP_SPRINTF_LEN 400 |
34dc7c2f | 612 | |
428870ff BB |
613 | /* |
614 | * This macro allows code sharing between zfs, libzpool, and mdb. | |
615 | * 'func' is either snprintf() or mdb_snprintf(). | |
616 | * 'ws' (whitespace) can be ' ' for single-line format, '\n' for multi-line. | |
617 | */ | |
37f03da8 | 618 | |
5c27ec10 | 619 | #define SNPRINTF_BLKPTR(func, ws, buf, size, bp, type, checksum, compress) \ |
428870ff BB |
620 | { \ |
621 | static const char *copyname[] = \ | |
622 | { "zero", "single", "double", "triple" }; \ | |
428870ff BB |
623 | int len = 0; \ |
624 | int copies = 0; \ | |
5c27ec10 MA |
625 | const char *crypt_type; \ |
626 | if (bp != NULL) { \ | |
627 | if (BP_IS_ENCRYPTED(bp)) { \ | |
628 | crypt_type = "encrypted"; \ | |
629 | /* LINTED E_SUSPICIOUS_COMPARISON */ \ | |
630 | } else if (BP_IS_AUTHENTICATED(bp)) { \ | |
631 | crypt_type = "authenticated"; \ | |
632 | } else if (BP_HAS_INDIRECT_MAC_CKSUM(bp)) { \ | |
633 | crypt_type = "indirect-MAC"; \ | |
634 | } else { \ | |
635 | crypt_type = "unencrypted"; \ | |
636 | } \ | |
637 | } \ | |
428870ff | 638 | if (bp == NULL) { \ |
b0bc7a84 | 639 | len += func(buf + len, size - len, "<NULL>"); \ |
428870ff | 640 | } else if (BP_IS_HOLE(bp)) { \ |
a4069eef PS |
641 | len += func(buf + len, size - len, \ |
642 | "HOLE [L%llu %s] " \ | |
643 | "size=%llxL birth=%lluL", \ | |
644 | (u_longlong_t)BP_GET_LEVEL(bp), \ | |
645 | type, \ | |
646 | (u_longlong_t)BP_GET_LSIZE(bp), \ | |
647 | (u_longlong_t)bp->blk_birth); \ | |
9b67f605 MA |
648 | } else if (BP_IS_EMBEDDED(bp)) { \ |
649 | len = func(buf + len, size - len, \ | |
650 | "EMBEDDED [L%llu %s] et=%u %s " \ | |
651 | "size=%llxL/%llxP birth=%lluL", \ | |
652 | (u_longlong_t)BP_GET_LEVEL(bp), \ | |
653 | type, \ | |
654 | (int)BPE_GET_ETYPE(bp), \ | |
655 | compress, \ | |
656 | (u_longlong_t)BPE_GET_LSIZE(bp), \ | |
657 | (u_longlong_t)BPE_GET_PSIZE(bp), \ | |
658 | (u_longlong_t)bp->blk_birth); \ | |
30af21b0 PD |
659 | } else if (BP_IS_REDACTED(bp)) { \ |
660 | len += func(buf + len, size - len, \ | |
661 | "REDACTED [L%llu %s] size=%llxL birth=%lluL", \ | |
662 | (u_longlong_t)BP_GET_LEVEL(bp), \ | |
663 | type, \ | |
664 | (u_longlong_t)BP_GET_LSIZE(bp), \ | |
665 | (u_longlong_t)bp->blk_birth); \ | |
428870ff | 666 | } else { \ |
1c27024e | 667 | for (int d = 0; d < BP_GET_NDVAS(bp); d++) { \ |
428870ff BB |
668 | const dva_t *dva = &bp->blk_dva[d]; \ |
669 | if (DVA_IS_VALID(dva)) \ | |
670 | copies++; \ | |
671 | len += func(buf + len, size - len, \ | |
672 | "DVA[%d]=<%llu:%llx:%llx>%c", d, \ | |
673 | (u_longlong_t)DVA_GET_VDEV(dva), \ | |
674 | (u_longlong_t)DVA_GET_OFFSET(dva), \ | |
675 | (u_longlong_t)DVA_GET_ASIZE(dva), \ | |
676 | ws); \ | |
677 | } \ | |
b5256303 TC |
678 | if (BP_IS_ENCRYPTED(bp)) { \ |
679 | len += func(buf + len, size - len, \ | |
680 | "salt=%llx iv=%llx:%llx%c", \ | |
681 | (u_longlong_t)bp->blk_dva[2].dva_word[0], \ | |
682 | (u_longlong_t)bp->blk_dva[2].dva_word[1], \ | |
683 | (u_longlong_t)BP_GET_IV2(bp), \ | |
684 | ws); \ | |
685 | } \ | |
428870ff BB |
686 | if (BP_IS_GANG(bp) && \ |
687 | DVA_GET_ASIZE(&bp->blk_dva[2]) <= \ | |
688 | DVA_GET_ASIZE(&bp->blk_dva[1]) / 2) \ | |
689 | copies--; \ | |
690 | len += func(buf + len, size - len, \ | |
b5256303 | 691 | "[L%llu %s] %s %s %s %s %s %s %s%c" \ |
428870ff BB |
692 | "size=%llxL/%llxP birth=%lluL/%lluP fill=%llu%c" \ |
693 | "cksum=%llx:%llx:%llx:%llx", \ | |
694 | (u_longlong_t)BP_GET_LEVEL(bp), \ | |
695 | type, \ | |
696 | checksum, \ | |
697 | compress, \ | |
b5256303 | 698 | crypt_type, \ |
428870ff BB |
699 | BP_GET_BYTEORDER(bp) == 0 ? "BE" : "LE", \ |
700 | BP_IS_GANG(bp) ? "gang" : "contiguous", \ | |
701 | BP_GET_DEDUP(bp) ? "dedup" : "unique", \ | |
702 | copyname[copies], \ | |
703 | ws, \ | |
704 | (u_longlong_t)BP_GET_LSIZE(bp), \ | |
705 | (u_longlong_t)BP_GET_PSIZE(bp), \ | |
706 | (u_longlong_t)bp->blk_birth, \ | |
707 | (u_longlong_t)BP_PHYSICAL_BIRTH(bp), \ | |
9b67f605 | 708 | (u_longlong_t)BP_GET_FILL(bp), \ |
428870ff BB |
709 | ws, \ |
710 | (u_longlong_t)bp->blk_cksum.zc_word[0], \ | |
711 | (u_longlong_t)bp->blk_cksum.zc_word[1], \ | |
712 | (u_longlong_t)bp->blk_cksum.zc_word[2], \ | |
713 | (u_longlong_t)bp->blk_cksum.zc_word[3]); \ | |
714 | } \ | |
715 | ASSERT(len < size); \ | |
716 | } | |
717 | ||
34dc7c2f | 718 | #define BP_GET_BUFC_TYPE(bp) \ |
a6255b7f | 719 | (BP_IS_METADATA(bp) ? ARC_BUFC_METADATA : ARC_BUFC_DATA) |
428870ff BB |
720 | |
721 | typedef enum spa_import_type { | |
722 | SPA_IMPORT_EXISTING, | |
723 | SPA_IMPORT_ASSEMBLE | |
724 | } spa_import_type_t; | |
34dc7c2f | 725 | |
1b939560 BB |
726 | /* |
727 | * Send TRIM commands in-line during normal pool operation while deleting. | |
728 | * OFF: no | |
729 | * ON: yes | |
730 | */ | |
731 | typedef enum { | |
732 | SPA_AUTOTRIM_OFF = 0, /* default */ | |
733 | SPA_AUTOTRIM_ON | |
734 | } spa_autotrim_t; | |
735 | ||
736 | /* | |
737 | * Reason TRIM command was issued, used internally for accounting purposes. | |
738 | */ | |
739 | typedef enum trim_type { | |
740 | TRIM_TYPE_MANUAL = 0, | |
741 | TRIM_TYPE_AUTO = 1, | |
742 | } trim_type_t; | |
743 | ||
34dc7c2f BB |
744 | /* state manipulation functions */ |
745 | extern int spa_open(const char *pool, spa_t **, void *tag); | |
428870ff BB |
746 | extern int spa_open_rewind(const char *pool, spa_t **, void *tag, |
747 | nvlist_t *policy, nvlist_t **config); | |
9ae529ec CS |
748 | extern int spa_get_stats(const char *pool, nvlist_t **config, char *altroot, |
749 | size_t buflen); | |
b5256303 TC |
750 | extern int spa_create(const char *pool, nvlist_t *nvroot, nvlist_t *props, |
751 | nvlist_t *zplprops, struct dsl_crypto_params *dcp); | |
13fe0198 | 752 | extern int spa_import(char *pool, nvlist_t *config, nvlist_t *props, |
572e2857 | 753 | uint64_t flags); |
34dc7c2f BB |
754 | extern nvlist_t *spa_tryimport(nvlist_t *tryconfig); |
755 | extern int spa_destroy(char *pool); | |
d2734cce SD |
756 | extern int spa_checkpoint(const char *pool); |
757 | extern int spa_checkpoint_discard(const char *pool); | |
fb5f0bc8 BB |
758 | extern int spa_export(char *pool, nvlist_t **oldconfig, boolean_t force, |
759 | boolean_t hardforce); | |
34dc7c2f BB |
760 | extern int spa_reset(char *pool); |
761 | extern void spa_async_request(spa_t *spa, int flag); | |
b128c09f | 762 | extern void spa_async_unrequest(spa_t *spa, int flag); |
34dc7c2f BB |
763 | extern void spa_async_suspend(spa_t *spa); |
764 | extern void spa_async_resume(spa_t *spa); | |
765 | extern spa_t *spa_inject_addref(char *pool); | |
766 | extern void spa_inject_delref(spa_t *spa); | |
428870ff BB |
767 | extern void spa_scan_stat_init(spa_t *spa); |
768 | extern int spa_scan_get_stats(spa_t *spa, pool_scan_stat_t *ps); | |
37f03da8 SH |
769 | extern int bpobj_enqueue_alloc_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx); |
770 | extern int bpobj_enqueue_free_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx); | |
34dc7c2f | 771 | |
1b939560 BB |
772 | #define SPA_ASYNC_CONFIG_UPDATE 0x01 |
773 | #define SPA_ASYNC_REMOVE 0x02 | |
774 | #define SPA_ASYNC_PROBE 0x04 | |
775 | #define SPA_ASYNC_RESILVER_DONE 0x08 | |
776 | #define SPA_ASYNC_RESILVER 0x10 | |
777 | #define SPA_ASYNC_AUTOEXPAND 0x20 | |
778 | #define SPA_ASYNC_REMOVE_DONE 0x40 | |
779 | #define SPA_ASYNC_REMOVE_STOP 0x80 | |
780 | #define SPA_ASYNC_INITIALIZE_RESTART 0x100 | |
781 | #define SPA_ASYNC_TRIM_RESTART 0x200 | |
782 | #define SPA_ASYNC_AUTOTRIM_RESTART 0x400 | |
428870ff BB |
783 | |
784 | /* | |
785 | * Controls the behavior of spa_vdev_remove(). | |
786 | */ | |
787 | #define SPA_REMOVE_UNSPARE 0x01 | |
788 | #define SPA_REMOVE_DONE 0x02 | |
34dc7c2f BB |
789 | |
790 | /* device manipulation */ | |
791 | extern int spa_vdev_add(spa_t *spa, nvlist_t *nvroot); | |
792 | extern int spa_vdev_attach(spa_t *spa, uint64_t guid, nvlist_t *nvroot, | |
793 | int replacing); | |
fb5f0bc8 BB |
794 | extern int spa_vdev_detach(spa_t *spa, uint64_t guid, uint64_t pguid, |
795 | int replace_done); | |
34dc7c2f | 796 | extern int spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare); |
428870ff | 797 | extern boolean_t spa_vdev_remove_active(spa_t *spa); |
c10d37dd GW |
798 | extern int spa_vdev_initialize(spa_t *spa, nvlist_t *nv, uint64_t cmd_type, |
799 | nvlist_t *vdev_errlist); | |
1b939560 BB |
800 | extern int spa_vdev_trim(spa_t *spa, nvlist_t *nv, uint64_t cmd_type, |
801 | uint64_t rate, boolean_t partial, boolean_t secure, nvlist_t *vdev_errlist); | |
34dc7c2f | 802 | extern int spa_vdev_setpath(spa_t *spa, uint64_t guid, const char *newpath); |
9babb374 | 803 | extern int spa_vdev_setfru(spa_t *spa, uint64_t guid, const char *newfru); |
428870ff BB |
804 | extern int spa_vdev_split_mirror(spa_t *spa, char *newname, nvlist_t *config, |
805 | nvlist_t *props, boolean_t exp); | |
34dc7c2f BB |
806 | |
807 | /* spare state (which is global across all pools) */ | |
808 | extern void spa_spare_add(vdev_t *vd); | |
809 | extern void spa_spare_remove(vdev_t *vd); | |
b128c09f | 810 | extern boolean_t spa_spare_exists(uint64_t guid, uint64_t *pool, int *refcnt); |
34dc7c2f BB |
811 | extern void spa_spare_activate(vdev_t *vd); |
812 | ||
813 | /* L2ARC state (which is global across all pools) */ | |
814 | extern void spa_l2cache_add(vdev_t *vd); | |
815 | extern void spa_l2cache_remove(vdev_t *vd); | |
816 | extern boolean_t spa_l2cache_exists(uint64_t guid, uint64_t *pool); | |
817 | extern void spa_l2cache_activate(vdev_t *vd); | |
818 | extern void spa_l2cache_drop(spa_t *spa); | |
34dc7c2f | 819 | |
428870ff BB |
820 | /* scanning */ |
821 | extern int spa_scan(spa_t *spa, pool_scan_func_t func); | |
822 | extern int spa_scan_stop(spa_t *spa); | |
0ea05c64 | 823 | extern int spa_scrub_pause_resume(spa_t *spa, pool_scrub_cmd_t flag); |
34dc7c2f BB |
824 | |
825 | /* spa syncing */ | |
826 | extern void spa_sync(spa_t *spa, uint64_t txg); /* only for DMU use */ | |
827 | extern void spa_sync_allpools(void); | |
828 | ||
55d85d5a | 829 | extern int zfs_sync_pass_deferred_free; |
428870ff | 830 | |
b128c09f BB |
831 | /* spa namespace global mutex */ |
832 | extern kmutex_t spa_namespace_lock; | |
833 | ||
34dc7c2f BB |
834 | /* |
835 | * SPA configuration functions in spa_config.c | |
836 | */ | |
837 | ||
838 | #define SPA_CONFIG_UPDATE_POOL 0 | |
839 | #define SPA_CONFIG_UPDATE_VDEVS 1 | |
840 | ||
a1d477c2 | 841 | extern void spa_write_cachefile(spa_t *, boolean_t, boolean_t); |
34dc7c2f BB |
842 | extern void spa_config_load(void); |
843 | extern nvlist_t *spa_all_configs(uint64_t *); | |
844 | extern void spa_config_set(spa_t *spa, nvlist_t *config); | |
845 | extern nvlist_t *spa_config_generate(spa_t *spa, vdev_t *vd, uint64_t txg, | |
846 | int getstats); | |
847 | extern void spa_config_update(spa_t *spa, int what); | |
4a22ba5b MM |
848 | extern int spa_config_parse(spa_t *spa, vdev_t **vdp, nvlist_t *nv, |
849 | vdev_t *parent, uint_t id, int atype); | |
850 | ||
34dc7c2f BB |
851 | |
852 | /* | |
853 | * Miscellaneous SPA routines in spa_misc.c | |
854 | */ | |
855 | ||
856 | /* Namespace manipulation */ | |
857 | extern spa_t *spa_lookup(const char *name); | |
428870ff | 858 | extern spa_t *spa_add(const char *name, nvlist_t *config, const char *altroot); |
34dc7c2f BB |
859 | extern void spa_remove(spa_t *spa); |
860 | extern spa_t *spa_next(spa_t *prev); | |
861 | ||
862 | /* Refcount functions */ | |
863 | extern void spa_open_ref(spa_t *spa, void *tag); | |
864 | extern void spa_close(spa_t *spa, void *tag); | |
0c66c32d | 865 | extern void spa_async_close(spa_t *spa, void *tag); |
34dc7c2f BB |
866 | extern boolean_t spa_refcount_zero(spa_t *spa); |
867 | ||
428870ff | 868 | #define SCL_NONE 0x00 |
b128c09f BB |
869 | #define SCL_CONFIG 0x01 |
870 | #define SCL_STATE 0x02 | |
871 | #define SCL_L2ARC 0x04 /* hack until L2ARC 2.0 */ | |
872 | #define SCL_ALLOC 0x08 | |
873 | #define SCL_ZIO 0x10 | |
874 | #define SCL_FREE 0x20 | |
875 | #define SCL_VDEV 0x40 | |
876 | #define SCL_LOCKS 7 | |
877 | #define SCL_ALL ((1 << SCL_LOCKS) - 1) | |
878 | #define SCL_STATE_ALL (SCL_STATE | SCL_L2ARC | SCL_ZIO) | |
879 | ||
1421c891 | 880 | /* Historical pool statistics */ |
d1261452 | 881 | typedef struct spa_history_kstat { |
1421c891 PS |
882 | kmutex_t lock; |
883 | uint64_t count; | |
884 | uint64_t size; | |
885 | kstat_t *kstat; | |
886 | void *private; | |
887 | list_t list; | |
d1261452 JG |
888 | } spa_history_kstat_t; |
889 | ||
890 | typedef struct spa_history_list { | |
891 | uint64_t size; | |
892 | procfs_list_t procfs_list; | |
893 | } spa_history_list_t; | |
1421c891 PS |
894 | |
895 | typedef struct spa_stats { | |
d1261452 JG |
896 | spa_history_list_t read_history; |
897 | spa_history_list_t txg_history; | |
898 | spa_history_kstat_t tx_assign_histogram; | |
899 | spa_history_kstat_t io_history; | |
900 | spa_history_list_t mmp_history; | |
901 | spa_history_kstat_t state; /* pool state */ | |
1b939560 | 902 | spa_history_kstat_t iostats; |
1421c891 PS |
903 | } spa_stats_t; |
904 | ||
0b1401ee BB |
905 | typedef enum txg_state { |
906 | TXG_STATE_BIRTH = 0, | |
907 | TXG_STATE_OPEN = 1, | |
908 | TXG_STATE_QUIESCED = 2, | |
478d64fd IL |
909 | TXG_STATE_WAIT_FOR_SYNC = 3, |
910 | TXG_STATE_SYNCED = 4, | |
911 | TXG_STATE_COMMITTED = 5, | |
0b1401ee BB |
912 | } txg_state_t; |
913 | ||
baf67d15 BB |
914 | typedef struct txg_stat { |
915 | vdev_stat_t vs1; | |
916 | vdev_stat_t vs2; | |
917 | uint64_t txg; | |
918 | uint64_t ndirty; | |
919 | } txg_stat_t; | |
920 | ||
1b939560 BB |
921 | /* Assorted pool IO kstats */ |
922 | typedef struct spa_iostats { | |
923 | kstat_named_t trim_extents_written; | |
924 | kstat_named_t trim_bytes_written; | |
925 | kstat_named_t trim_extents_skipped; | |
926 | kstat_named_t trim_bytes_skipped; | |
927 | kstat_named_t trim_extents_failed; | |
928 | kstat_named_t trim_bytes_failed; | |
929 | kstat_named_t autotrim_extents_written; | |
930 | kstat_named_t autotrim_bytes_written; | |
931 | kstat_named_t autotrim_extents_skipped; | |
932 | kstat_named_t autotrim_bytes_skipped; | |
933 | kstat_named_t autotrim_extents_failed; | |
934 | kstat_named_t autotrim_bytes_failed; | |
935 | } spa_iostats_t; | |
936 | ||
1421c891 PS |
937 | extern void spa_stats_init(spa_t *spa); |
938 | extern void spa_stats_destroy(spa_t *spa); | |
5dbd68a3 | 939 | extern void spa_read_history_add(spa_t *spa, const zbookmark_phys_t *zb, |
1421c891 | 940 | uint32_t aflags); |
01b738f4 | 941 | extern void spa_txg_history_add(spa_t *spa, uint64_t txg, hrtime_t birth_time); |
0b1401ee BB |
942 | extern int spa_txg_history_set(spa_t *spa, uint64_t txg, |
943 | txg_state_t completed_state, hrtime_t completed_time); | |
baf67d15 BB |
944 | extern txg_stat_t *spa_txg_history_init_io(spa_t *, uint64_t, |
945 | struct dsl_pool *); | |
946 | extern void spa_txg_history_fini_io(spa_t *, txg_stat_t *); | |
2d37239a | 947 | extern void spa_tx_assign_add_nsecs(spa_t *spa, uint64_t nsecs); |
d2160d05 | 948 | extern int spa_mmp_history_set_skip(spa_t *spa, uint64_t mmp_kstat_id); |
7088545d OF |
949 | extern int spa_mmp_history_set(spa_t *spa, uint64_t mmp_kstat_id, int io_error, |
950 | hrtime_t duration); | |
d1261452 | 951 | extern void spa_mmp_history_add(spa_t *spa, uint64_t txg, uint64_t timestamp, |
d2160d05 OF |
952 | uint64_t mmp_delay, vdev_t *vd, int label, uint64_t mmp_kstat_id, |
953 | int error); | |
1b939560 BB |
954 | extern void spa_iostats_trim_add(spa_t *spa, trim_type_t type, |
955 | uint64_t extents_written, uint64_t bytes_written, | |
956 | uint64_t extents_skipped, uint64_t bytes_skipped, | |
957 | uint64_t extents_failed, uint64_t bytes_failed); | |
ca95f70d OF |
958 | extern void spa_import_progress_add(spa_t *spa); |
959 | extern void spa_import_progress_remove(uint64_t spa_guid); | |
960 | extern int spa_import_progress_set_mmp_check(uint64_t pool_guid, | |
961 | uint64_t mmp_sec_remaining); | |
962 | extern int spa_import_progress_set_max_txg(uint64_t pool_guid, | |
963 | uint64_t max_txg); | |
964 | extern int spa_import_progress_set_state(uint64_t pool_guid, | |
965 | spa_load_state_t spa_load_state); | |
1421c891 | 966 | |
b128c09f BB |
967 | /* Pool configuration locks */ |
968 | extern int spa_config_tryenter(spa_t *spa, int locks, void *tag, krw_t rw); | |
dc04a8c7 PD |
969 | extern void spa_config_enter(spa_t *spa, int locks, const void *tag, krw_t rw); |
970 | extern void spa_config_exit(spa_t *spa, int locks, const void *tag); | |
b128c09f | 971 | extern int spa_config_held(spa_t *spa, int locks, krw_t rw); |
34dc7c2f BB |
972 | |
973 | /* Pool vdev add/remove lock */ | |
974 | extern uint64_t spa_vdev_enter(spa_t *spa); | |
428870ff BB |
975 | extern uint64_t spa_vdev_config_enter(spa_t *spa); |
976 | extern void spa_vdev_config_exit(spa_t *spa, vdev_t *vd, uint64_t txg, | |
977 | int error, char *tag); | |
34dc7c2f BB |
978 | extern int spa_vdev_exit(spa_t *spa, vdev_t *vd, uint64_t txg, int error); |
979 | ||
b128c09f | 980 | /* Pool vdev state change lock */ |
428870ff | 981 | extern void spa_vdev_state_enter(spa_t *spa, int oplock); |
b128c09f BB |
982 | extern int spa_vdev_state_exit(spa_t *spa, vdev_t *vd, int error); |
983 | ||
428870ff BB |
984 | /* Log state */ |
985 | typedef enum spa_log_state { | |
986 | SPA_LOG_UNKNOWN = 0, /* unknown log state */ | |
987 | SPA_LOG_MISSING, /* missing log(s) */ | |
988 | SPA_LOG_CLEAR, /* clear the log(s) */ | |
989 | SPA_LOG_GOOD, /* log(s) are good */ | |
990 | } spa_log_state_t; | |
991 | ||
992 | extern spa_log_state_t spa_get_log_state(spa_t *spa); | |
993 | extern void spa_set_log_state(spa_t *spa, spa_log_state_t state); | |
a1d477c2 | 994 | extern int spa_reset_logs(spa_t *spa); |
428870ff BB |
995 | |
996 | /* Log claim callback */ | |
997 | extern void spa_claim_notify(zio_t *zio); | |
cc92e9d0 | 998 | extern void spa_deadman(void *); |
428870ff | 999 | |
34dc7c2f | 1000 | /* Accessor functions */ |
b128c09f | 1001 | extern boolean_t spa_shutting_down(spa_t *spa); |
34dc7c2f | 1002 | extern struct dsl_pool *spa_get_dsl(spa_t *spa); |
9ae529ec | 1003 | extern boolean_t spa_is_initializing(spa_t *spa); |
a1d477c2 | 1004 | extern boolean_t spa_indirect_vdevs_loaded(spa_t *spa); |
34dc7c2f BB |
1005 | extern blkptr_t *spa_get_rootblkptr(spa_t *spa); |
1006 | extern void spa_set_rootblkptr(spa_t *spa, const blkptr_t *bp); | |
1007 | extern void spa_altroot(spa_t *, char *, size_t); | |
1008 | extern int spa_sync_pass(spa_t *spa); | |
1009 | extern char *spa_name(spa_t *spa); | |
1010 | extern uint64_t spa_guid(spa_t *spa); | |
3541dc6d | 1011 | extern uint64_t spa_load_guid(spa_t *spa); |
34dc7c2f BB |
1012 | extern uint64_t spa_last_synced_txg(spa_t *spa); |
1013 | extern uint64_t spa_first_txg(spa_t *spa); | |
428870ff | 1014 | extern uint64_t spa_syncing_txg(spa_t *spa); |
3b7f360c | 1015 | extern uint64_t spa_final_dirty_txg(spa_t *spa); |
34dc7c2f | 1016 | extern uint64_t spa_version(spa_t *spa); |
b128c09f | 1017 | extern pool_state_t spa_state(spa_t *spa); |
428870ff | 1018 | extern spa_load_state_t spa_load_state(spa_t *spa); |
34dc7c2f | 1019 | extern uint64_t spa_freeze_txg(spa_t *spa); |
3ec3bc21 | 1020 | extern uint64_t spa_get_worst_case_asize(spa_t *spa, uint64_t lsize); |
428870ff | 1021 | extern uint64_t spa_get_dspace(spa_t *spa); |
d2734cce | 1022 | extern uint64_t spa_get_checkpoint_space(spa_t *spa); |
0c60cc32 | 1023 | extern uint64_t spa_get_slop_space(spa_t *spa); |
428870ff | 1024 | extern void spa_update_dspace(spa_t *spa); |
34dc7c2f | 1025 | extern uint64_t spa_version(spa_t *spa); |
428870ff BB |
1026 | extern boolean_t spa_deflate(spa_t *spa); |
1027 | extern metaslab_class_t *spa_normal_class(spa_t *spa); | |
1028 | extern metaslab_class_t *spa_log_class(spa_t *spa); | |
cc99f275 DB |
1029 | extern metaslab_class_t *spa_special_class(spa_t *spa); |
1030 | extern metaslab_class_t *spa_dedup_class(spa_t *spa); | |
1031 | extern metaslab_class_t *spa_preferred_class(spa_t *spa, uint64_t size, | |
1032 | dmu_object_type_t objtype, uint_t level, uint_t special_smallblk); | |
1033 | ||
0c66c32d JG |
1034 | extern void spa_evicting_os_register(spa_t *, objset_t *os); |
1035 | extern void spa_evicting_os_deregister(spa_t *, objset_t *os); | |
1036 | extern void spa_evicting_os_wait(spa_t *spa); | |
34dc7c2f | 1037 | extern int spa_max_replication(spa_t *spa); |
428870ff | 1038 | extern int spa_prev_software_version(spa_t *spa); |
8fb1ede1 BB |
1039 | extern uint64_t spa_get_failmode(spa_t *spa); |
1040 | extern uint64_t spa_get_deadman_failmode(spa_t *spa); | |
1041 | extern void spa_set_deadman_failmode(spa_t *spa, const char *failmode); | |
b128c09f | 1042 | extern boolean_t spa_suspended(spa_t *spa); |
428870ff BB |
1043 | extern uint64_t spa_bootfs(spa_t *spa); |
1044 | extern uint64_t spa_delegation(spa_t *spa); | |
1045 | extern objset_t *spa_meta_objset(spa_t *spa); | |
93e28d66 | 1046 | extern space_map_t *spa_syncing_log_sm(spa_t *spa); |
cc92e9d0 | 1047 | extern uint64_t spa_deadman_synctime(spa_t *spa); |
8fb1ede1 | 1048 | extern uint64_t spa_deadman_ziotime(spa_t *spa); |
dae3e9ea | 1049 | extern uint64_t spa_dirty_data(spa_t *spa); |
1b939560 | 1050 | extern spa_autotrim_t spa_get_autotrim(spa_t *spa); |
34dc7c2f BB |
1051 | |
1052 | /* Miscellaneous support routines */ | |
4a0ee12a PZ |
1053 | extern void spa_load_failed(spa_t *spa, const char *fmt, ...); |
1054 | extern void spa_load_note(spa_t *spa, const char *fmt, ...); | |
b0bc7a84 MG |
1055 | extern void spa_activate_mos_feature(spa_t *spa, const char *feature, |
1056 | dmu_tx_t *tx); | |
9ae529ec | 1057 | extern void spa_deactivate_mos_feature(spa_t *spa, const char *feature); |
572e2857 | 1058 | extern spa_t *spa_by_guid(uint64_t pool_guid, uint64_t device_guid); |
34dc7c2f BB |
1059 | extern boolean_t spa_guid_exists(uint64_t pool_guid, uint64_t device_guid); |
1060 | extern char *spa_strdup(const char *); | |
1061 | extern void spa_strfree(char *); | |
1062 | extern uint64_t spa_get_random(uint64_t range); | |
428870ff | 1063 | extern uint64_t spa_generate_guid(spa_t *spa); |
b0bc7a84 | 1064 | extern void snprintf_blkptr(char *buf, size_t buflen, const blkptr_t *bp); |
34dc7c2f | 1065 | extern void spa_freeze(spa_t *spa); |
3541dc6d | 1066 | extern int spa_change_guid(spa_t *spa); |
34dc7c2f BB |
1067 | extern void spa_upgrade(spa_t *spa, uint64_t version); |
1068 | extern void spa_evict_all(void); | |
b128c09f BB |
1069 | extern vdev_t *spa_lookup_by_guid(spa_t *spa, uint64_t guid, |
1070 | boolean_t l2cache); | |
34dc7c2f | 1071 | extern boolean_t spa_has_spare(spa_t *, uint64_t guid); |
428870ff BB |
1072 | extern uint64_t dva_get_dsize_sync(spa_t *spa, const dva_t *dva); |
1073 | extern uint64_t bp_get_dsize_sync(spa_t *spa, const blkptr_t *bp); | |
1074 | extern uint64_t bp_get_dsize(spa_t *spa, const blkptr_t *bp); | |
34dc7c2f | 1075 | extern boolean_t spa_has_slogs(spa_t *spa); |
b128c09f | 1076 | extern boolean_t spa_is_root(spa_t *spa); |
fb5f0bc8 | 1077 | extern boolean_t spa_writeable(spa_t *spa); |
acbad6ff | 1078 | extern boolean_t spa_has_pending_synctask(spa_t *spa); |
f1512ee6 | 1079 | extern int spa_maxblocksize(spa_t *spa); |
50c957f7 | 1080 | extern int spa_maxdnodesize(spa_t *spa); |
d2734cce SD |
1081 | extern boolean_t spa_has_checkpoint(spa_t *spa); |
1082 | extern boolean_t spa_importing_readonly_checkpoint(spa_t *spa); | |
1083 | extern boolean_t spa_suspend_async_destroy(spa_t *spa); | |
1084 | extern uint64_t spa_min_claim_txg(spa_t *spa); | |
6cb8e530 PZ |
1085 | extern boolean_t zfs_dva_valid(spa_t *spa, const dva_t *dva, |
1086 | const blkptr_t *bp); | |
a1d477c2 MA |
1087 | typedef void (*spa_remap_cb_t)(uint64_t vdev, uint64_t offset, uint64_t size, |
1088 | void *arg); | |
1089 | extern boolean_t spa_remap_blkptr(spa_t *spa, blkptr_t *bp, | |
1090 | spa_remap_cb_t callback, void *arg); | |
1091 | extern uint64_t spa_get_last_removal_txg(spa_t *spa); | |
6cb8e530 PZ |
1092 | extern boolean_t spa_trust_config(spa_t *spa); |
1093 | extern uint64_t spa_missing_tvds_allowed(spa_t *spa); | |
1094 | extern void spa_set_missing_tvds(spa_t *spa, uint64_t missing); | |
d2734cce | 1095 | extern boolean_t spa_top_vdevs_spacemap_addressable(spa_t *spa); |
93e28d66 | 1096 | extern uint64_t spa_total_metaslabs(spa_t *spa); |
379ca9cf | 1097 | extern boolean_t spa_multihost(spa_t *spa); |
25f06d67 | 1098 | extern uint32_t spa_get_hostid(spa_t *spa); |
cc99f275 | 1099 | extern void spa_activate_allocation_classes(spa_t *, dmu_tx_t *); |
37f03da8 | 1100 | extern boolean_t spa_livelist_delete_check(spa_t *spa); |
428870ff | 1101 | |
fb5f0bc8 | 1102 | extern int spa_mode(spa_t *spa); |
e19572e4 | 1103 | extern uint64_t zfs_strtonum(const char *str, char **nptr); |
34dc7c2f | 1104 | |
34dc7c2f BB |
1105 | extern char *spa_his_ievent_table[]; |
1106 | ||
1107 | extern void spa_history_create_obj(spa_t *spa, dmu_tx_t *tx); | |
1108 | extern int spa_history_get(spa_t *spa, uint64_t *offset, uint64_t *len_read, | |
1109 | char *his_buf); | |
6f1ffb06 MA |
1110 | extern int spa_history_log(spa_t *spa, const char *his_buf); |
1111 | extern int spa_history_log_nvl(spa_t *spa, nvlist_t *nvl); | |
d5e024cb BB |
1112 | extern void spa_history_log_version(spa_t *spa, const char *operation, |
1113 | dmu_tx_t *tx); | |
6f1ffb06 | 1114 | extern void spa_history_log_internal(spa_t *spa, const char *operation, |
74756182 | 1115 | dmu_tx_t *tx, const char *fmt, ...) __printflike(4, 5); |
6f1ffb06 | 1116 | extern void spa_history_log_internal_ds(struct dsl_dataset *ds, const char *op, |
74756182 | 1117 | dmu_tx_t *tx, const char *fmt, ...) __printflike(4, 5); |
6f1ffb06 | 1118 | extern void spa_history_log_internal_dd(dsl_dir_t *dd, const char *operation, |
74756182 | 1119 | dmu_tx_t *tx, const char *fmt, ...) __printflike(4, 5); |
34dc7c2f | 1120 | |
f0ed6c74 TH |
1121 | extern const char *spa_state_to_name(spa_t *spa); |
1122 | ||
34dc7c2f | 1123 | /* error handling */ |
5dbd68a3 | 1124 | struct zbookmark_phys; |
b5256303 | 1125 | extern void spa_log_error(spa_t *spa, const zbookmark_phys_t *zb); |
ad796b8a | 1126 | extern int zfs_ereport_post(const char *class, spa_t *spa, vdev_t *vd, |
a2c2ed1b TC |
1127 | const zbookmark_phys_t *zb, zio_t *zio, uint64_t stateoroffset, |
1128 | uint64_t length); | |
ad796b8a TH |
1129 | extern boolean_t zfs_ereport_is_valid(const char *class, spa_t *spa, vdev_t *vd, |
1130 | zio_t *zio); | |
12fa0466 DE |
1131 | extern nvlist_t *zfs_event_create(spa_t *spa, vdev_t *vd, const char *type, |
1132 | const char *name, nvlist_t *aux); | |
34dc7c2f | 1133 | extern void zfs_post_remove(spa_t *spa, vdev_t *vd); |
d02ca379 | 1134 | extern void zfs_post_state_change(spa_t *spa, vdev_t *vd, uint64_t laststate); |
34dc7c2f BB |
1135 | extern void zfs_post_autoreplace(spa_t *spa, vdev_t *vd); |
1136 | extern uint64_t spa_get_errlog_size(spa_t *spa); | |
1137 | extern int spa_get_errlog(spa_t *spa, void *uaddr, size_t *count); | |
1138 | extern void spa_errlog_rotate(spa_t *spa); | |
1139 | extern void spa_errlog_drain(spa_t *spa); | |
1140 | extern void spa_errlog_sync(spa_t *spa, uint64_t txg); | |
1141 | extern void spa_get_errlists(spa_t *spa, avl_tree_t *last, avl_tree_t *scrub); | |
1142 | ||
1143 | /* vdev cache */ | |
1144 | extern void vdev_cache_stat_init(void); | |
1145 | extern void vdev_cache_stat_fini(void); | |
1146 | ||
551905dd GN |
1147 | /* vdev mirror */ |
1148 | extern void vdev_mirror_stat_init(void); | |
1149 | extern void vdev_mirror_stat_fini(void); | |
1150 | ||
34dc7c2f BB |
1151 | /* Initialization and termination */ |
1152 | extern void spa_init(int flags); | |
1153 | extern void spa_fini(void); | |
0bc8fd78 | 1154 | extern void spa_boot_init(void); |
34dc7c2f BB |
1155 | |
1156 | /* properties */ | |
1157 | extern int spa_prop_set(spa_t *spa, nvlist_t *nvp); | |
1158 | extern int spa_prop_get(spa_t *spa, nvlist_t **nvp); | |
1159 | extern void spa_prop_clear_bootfs(spa_t *spa, uint64_t obj, dmu_tx_t *tx); | |
d164b209 | 1160 | extern void spa_configfile_set(spa_t *, nvlist_t *, boolean_t); |
34dc7c2f BB |
1161 | |
1162 | /* asynchronous event notification */ | |
12fa0466 DE |
1163 | extern void spa_event_notify(spa_t *spa, vdev_t *vdev, nvlist_t *hist_nvl, |
1164 | const char *name); | |
34dc7c2f | 1165 | |
e60e158e JG |
1166 | /* waiting for pool activities to complete */ |
1167 | extern int spa_wait(const char *pool, zpool_wait_activity_t activity, | |
1168 | boolean_t *waited); | |
1169 | extern int spa_wait_tag(const char *name, zpool_wait_activity_t activity, | |
1170 | uint64_t tag, boolean_t *waited); | |
1171 | extern void spa_notify_waiters(spa_t *spa); | |
1172 | extern void spa_wake_waiters(spa_t *spa); | |
1173 | ||
34dc7c2f | 1174 | #ifdef ZFS_DEBUG |
79c76d5b BB |
1175 | #define dprintf_bp(bp, fmt, ...) do { \ |
1176 | if (zfs_flags & ZFS_DEBUG_DPRINTF) { \ | |
1177 | char *__blkbuf = kmem_alloc(BP_SPRINTF_LEN, KM_SLEEP); \ | |
1178 | snprintf_blkptr(__blkbuf, BP_SPRINTF_LEN, (bp)); \ | |
1179 | dprintf(fmt " %s\n", __VA_ARGS__, __blkbuf); \ | |
1180 | kmem_free(__blkbuf, BP_SPRINTF_LEN); \ | |
34dc7c2f BB |
1181 | } \ |
1182 | _NOTE(CONSTCOND) } while (0) | |
1183 | #else | |
1184 | #define dprintf_bp(bp, fmt, ...) | |
1185 | #endif | |
1186 | ||
fb5f0bc8 | 1187 | extern int spa_mode_global; /* mode, e.g. FREAD | FWRITE */ |
8fb1ede1 BB |
1188 | extern int zfs_deadman_enabled; |
1189 | extern unsigned long zfs_deadman_synctime_ms; | |
1190 | extern unsigned long zfs_deadman_ziotime_ms; | |
1191 | extern unsigned long zfs_deadman_checktime_ms; | |
34dc7c2f BB |
1192 | |
1193 | #ifdef __cplusplus | |
1194 | } | |
1195 | #endif | |
1196 | ||
1197 | #endif /* _SYS_SPA_H */ |