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4374 dn_free_ranges should use range_tree_t
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Max Grossman <max.grossman@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com
Reviewed by: Garrett D'Amore <garrett@damore.org>
Reviewed by: Dan McDonald <danmcd@omniti.com>
Approved by: Dan McDonald <danmcd@omniti.com>
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--- old/usr/src/lib/libzpool/common/sys/zfs_context.h
+++ new/usr/src/lib/libzpool/common/sys/zfs_context.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 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
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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) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
23 23 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
24 - * Copyright (c) 2013 by Delphix. All rights reserved.
24 + * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
25 25 * Copyright (c) 2012, Joyent, Inc. All rights reserved.
26 26 */
27 27
28 28 #ifndef _SYS_ZFS_CONTEXT_H
29 29 #define _SYS_ZFS_CONTEXT_H
30 30
31 31 #ifdef __cplusplus
32 32 extern "C" {
33 33 #endif
34 34
35 35 #define _SYS_MUTEX_H
36 36 #define _SYS_RWLOCK_H
37 37 #define _SYS_CONDVAR_H
38 38 #define _SYS_SYSTM_H
39 39 #define _SYS_T_LOCK_H
40 40 #define _SYS_VNODE_H
41 41 #define _SYS_VFS_H
42 42 #define _SYS_SUNDDI_H
43 43 #define _SYS_CALLB_H
44 44
45 45 #include <stdio.h>
46 46 #include <stdlib.h>
47 47 #include <stddef.h>
48 48 #include <stdarg.h>
49 49 #include <fcntl.h>
50 50 #include <unistd.h>
51 51 #include <errno.h>
52 52 #include <string.h>
53 53 #include <strings.h>
54 54 #include <synch.h>
55 55 #include <thread.h>
56 56 #include <assert.h>
57 57 #include <alloca.h>
58 58 #include <umem.h>
59 59 #include <limits.h>
60 60 #include <atomic.h>
61 61 #include <dirent.h>
62 62 #include <time.h>
63 63 #include <procfs.h>
64 64 #include <pthread.h>
65 65 #include <sys/debug.h>
66 66 #include <libsysevent.h>
67 67 #include <sys/note.h>
68 68 #include <sys/types.h>
69 69 #include <sys/cred.h>
70 70 #include <sys/sysmacros.h>
71 71 #include <sys/bitmap.h>
72 72 #include <sys/resource.h>
73 73 #include <sys/byteorder.h>
74 74 #include <sys/list.h>
75 75 #include <sys/uio.h>
76 76 #include <sys/zfs_debug.h>
77 77 #include <sys/sdt.h>
78 78 #include <sys/kstat.h>
79 79 #include <sys/u8_textprep.h>
80 80 #include <sys/sysevent/eventdefs.h>
81 81 #include <sys/sysevent/dev.h>
82 82 #include <sys/sunddi.h>
83 83 #include <sys/debug.h>
84 84 #include "zfs.h"
85 85
86 86 /*
87 87 * Debugging
88 88 */
89 89
90 90 /*
91 91 * Note that we are not using the debugging levels.
92 92 */
93 93
94 94 #define CE_CONT 0 /* continuation */
95 95 #define CE_NOTE 1 /* notice */
96 96 #define CE_WARN 2 /* warning */
97 97 #define CE_PANIC 3 /* panic */
98 98 #define CE_IGNORE 4 /* print nothing */
99 99
100 100 /*
101 101 * ZFS debugging
102 102 */
103 103
104 104 #ifdef ZFS_DEBUG
105 105 extern void dprintf_setup(int *argc, char **argv);
106 106 #endif /* ZFS_DEBUG */
107 107
108 108 extern void cmn_err(int, const char *, ...);
109 109 extern void vcmn_err(int, const char *, __va_list);
110 110 extern void panic(const char *, ...);
111 111 extern void vpanic(const char *, __va_list);
112 112
113 113 #define fm_panic panic
114 114
115 115 extern int aok;
116 116
117 117 /*
118 118 * DTrace SDT probes have different signatures in userland than they do in
119 119 * kernel. If they're being used in kernel code, re-define them out of
120 120 * existence for their counterparts in libzpool.
121 121 */
122 122
123 123 #ifdef DTRACE_PROBE
124 124 #undef DTRACE_PROBE
125 125 #endif /* DTRACE_PROBE */
126 126 #define DTRACE_PROBE(a) \
127 127 ZFS_PROBE0(#a)
128 128
129 129 #ifdef DTRACE_PROBE1
130 130 #undef DTRACE_PROBE1
131 131 #endif /* DTRACE_PROBE1 */
132 132 #define DTRACE_PROBE1(a, b, c) \
133 133 ZFS_PROBE1(#a, (unsigned long)c)
134 134
135 135 #ifdef DTRACE_PROBE2
136 136 #undef DTRACE_PROBE2
137 137 #endif /* DTRACE_PROBE2 */
138 138 #define DTRACE_PROBE2(a, b, c, d, e) \
139 139 ZFS_PROBE2(#a, (unsigned long)c, (unsigned long)e)
140 140
141 141 #ifdef DTRACE_PROBE3
142 142 #undef DTRACE_PROBE3
143 143 #endif /* DTRACE_PROBE3 */
144 144 #define DTRACE_PROBE3(a, b, c, d, e, f, g) \
145 145 ZFS_PROBE3(#a, (unsigned long)c, (unsigned long)e, (unsigned long)g)
146 146
147 147 #ifdef DTRACE_PROBE4
148 148 #undef DTRACE_PROBE4
149 149 #endif /* DTRACE_PROBE4 */
150 150 #define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) \
151 151 ZFS_PROBE4(#a, (unsigned long)c, (unsigned long)e, (unsigned long)g, \
152 152 (unsigned long)i)
153 153
154 154 /*
155 155 * We use the comma operator so that this macro can be used without much
156 156 * additional code. For example, "return (EINVAL);" becomes
157 157 * "return (SET_ERROR(EINVAL));". Note that the argument will be evaluated
158 158 * twice, so it should not have side effects (e.g. something like:
159 159 * "return (SET_ERROR(log_error(EINVAL, info)));" would log the error twice).
160 160 */
161 161 #define SET_ERROR(err) (ZFS_SET_ERROR(err), err)
162 162
163 163 /*
164 164 * Threads
165 165 */
166 166 #define curthread ((void *)(uintptr_t)thr_self())
167 167
168 168 #define kpreempt(x) yield()
169 169
170 170 typedef struct kthread kthread_t;
171 171
172 172 #define thread_create(stk, stksize, func, arg, len, pp, state, pri) \
173 173 zk_thread_create(func, arg)
174 174 #define thread_exit() thr_exit(NULL)
175 175 #define thread_join(t) panic("libzpool cannot join threads")
176 176
177 177 #define newproc(f, a, cid, pri, ctp, pid) (ENOSYS)
178 178
179 179 /* in libzpool, p0 exists only to have its address taken */
180 180 struct proc {
181 181 uintptr_t this_is_never_used_dont_dereference_it;
182 182 };
183 183
184 184 extern struct proc p0;
185 185 #define curproc (&p0)
186 186
187 187 #define PS_NONE -1
188 188
189 189 extern kthread_t *zk_thread_create(void (*func)(), void *arg);
190 190
191 191 #define issig(why) (FALSE)
192 192 #define ISSIG(thr, why) (FALSE)
193 193
194 194 /*
195 195 * Mutexes
196 196 */
197 197 typedef struct kmutex {
198 198 void *m_owner;
199 199 boolean_t initialized;
200 200 mutex_t m_lock;
201 201 } kmutex_t;
202 202
203 203 #define MUTEX_DEFAULT USYNC_THREAD
204 204 #undef MUTEX_HELD
205 205 #undef MUTEX_NOT_HELD
206 206 #define MUTEX_HELD(m) _mutex_held(&(m)->m_lock)
207 207 #define MUTEX_NOT_HELD(m) (!MUTEX_HELD(m))
208 208
209 209 /*
210 210 * Argh -- we have to get cheesy here because the kernel and userland
211 211 * have different signatures for the same routine.
212 212 */
213 213 extern int _mutex_init(mutex_t *mp, int type, void *arg);
214 214 extern int _mutex_destroy(mutex_t *mp);
215 215
216 216 #define mutex_init(mp, b, c, d) zmutex_init((kmutex_t *)(mp))
217 217 #define mutex_destroy(mp) zmutex_destroy((kmutex_t *)(mp))
218 218
219 219 extern void zmutex_init(kmutex_t *mp);
220 220 extern void zmutex_destroy(kmutex_t *mp);
221 221 extern void mutex_enter(kmutex_t *mp);
222 222 extern void mutex_exit(kmutex_t *mp);
223 223 extern int mutex_tryenter(kmutex_t *mp);
224 224 extern void *mutex_owner(kmutex_t *mp);
225 225
226 226 /*
227 227 * RW locks
228 228 */
229 229 typedef struct krwlock {
230 230 void *rw_owner;
231 231 boolean_t initialized;
232 232 rwlock_t rw_lock;
233 233 } krwlock_t;
234 234
235 235 typedef int krw_t;
236 236
237 237 #define RW_READER 0
238 238 #define RW_WRITER 1
239 239 #define RW_DEFAULT USYNC_THREAD
240 240
241 241 #undef RW_READ_HELD
242 242 #define RW_READ_HELD(x) _rw_read_held(&(x)->rw_lock)
243 243
244 244 #undef RW_WRITE_HELD
245 245 #define RW_WRITE_HELD(x) _rw_write_held(&(x)->rw_lock)
246 246
247 247 #undef RW_LOCK_HELD
248 248 #define RW_LOCK_HELD(x) (RW_READ_HELD(x) || RW_WRITE_HELD(x))
249 249
250 250 extern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg);
251 251 extern void rw_destroy(krwlock_t *rwlp);
252 252 extern void rw_enter(krwlock_t *rwlp, krw_t rw);
253 253 extern int rw_tryenter(krwlock_t *rwlp, krw_t rw);
254 254 extern int rw_tryupgrade(krwlock_t *rwlp);
255 255 extern void rw_exit(krwlock_t *rwlp);
256 256 #define rw_downgrade(rwlp) do { } while (0)
257 257
258 258 extern uid_t crgetuid(cred_t *cr);
259 259 extern uid_t crgetruid(cred_t *cr);
260 260 extern gid_t crgetgid(cred_t *cr);
261 261 extern int crgetngroups(cred_t *cr);
262 262 extern gid_t *crgetgroups(cred_t *cr);
263 263
264 264 /*
265 265 * Condition variables
266 266 */
267 267 typedef cond_t kcondvar_t;
268 268
269 269 #define CV_DEFAULT USYNC_THREAD
270 270
271 271 extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg);
272 272 extern void cv_destroy(kcondvar_t *cv);
273 273 extern void cv_wait(kcondvar_t *cv, kmutex_t *mp);
274 274 extern clock_t cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime);
275 275 extern clock_t cv_timedwait_hires(kcondvar_t *cvp, kmutex_t *mp, hrtime_t tim,
276 276 hrtime_t res, int flag);
277 277 extern void cv_signal(kcondvar_t *cv);
278 278 extern void cv_broadcast(kcondvar_t *cv);
279 279
280 280 /*
281 281 * Thread-specific data
282 282 */
283 283 #define tsd_get(k) pthread_getspecific(k)
284 284 #define tsd_set(k, v) pthread_setspecific(k, v)
285 285 #define tsd_create(kp, d) pthread_key_create(kp, d)
286 286 #define tsd_destroy(kp) /* nothing */
287 287
288 288 /*
289 289 * kstat creation, installation and deletion
290 290 */
291 291 extern kstat_t *kstat_create(const char *, int,
292 292 const char *, const char *, uchar_t, ulong_t, uchar_t);
293 293 extern void kstat_install(kstat_t *);
294 294 extern void kstat_delete(kstat_t *);
295 295 extern void kstat_waitq_enter(kstat_io_t *);
296 296 extern void kstat_waitq_exit(kstat_io_t *);
297 297 extern void kstat_runq_enter(kstat_io_t *);
298 298 extern void kstat_runq_exit(kstat_io_t *);
299 299 extern void kstat_waitq_to_runq(kstat_io_t *);
300 300 extern void kstat_runq_back_to_waitq(kstat_io_t *);
301 301
302 302 /*
303 303 * Kernel memory
304 304 */
305 305 #define KM_SLEEP UMEM_NOFAIL
306 306 #define KM_PUSHPAGE KM_SLEEP
307 307 #define KM_NOSLEEP UMEM_DEFAULT
308 308 #define KMC_NODEBUG UMC_NODEBUG
309 309 #define KMC_NOTOUCH 0 /* not needed for userland caches */
310 310 #define kmem_alloc(_s, _f) umem_alloc(_s, _f)
311 311 #define kmem_zalloc(_s, _f) umem_zalloc(_s, _f)
312 312 #define kmem_free(_b, _s) umem_free(_b, _s)
313 313 #define kmem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) \
314 314 umem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i)
315 315 #define kmem_cache_destroy(_c) umem_cache_destroy(_c)
316 316 #define kmem_cache_alloc(_c, _f) umem_cache_alloc(_c, _f)
317 317 #define kmem_cache_free(_c, _b) umem_cache_free(_c, _b)
318 318 #define kmem_debugging() 0
319 319 #define kmem_cache_reap_now(_c) /* nothing */
320 320 #define kmem_cache_set_move(_c, _cb) /* nothing */
321 321 #define vmem_qcache_reap(_v) /* nothing */
322 322 #define POINTER_INVALIDATE(_pp) /* nothing */
323 323 #define POINTER_IS_VALID(_p) 0
324 324
325 325 extern vmem_t *zio_arena;
326 326
327 327 typedef umem_cache_t kmem_cache_t;
328 328
329 329 typedef enum kmem_cbrc {
330 330 KMEM_CBRC_YES,
331 331 KMEM_CBRC_NO,
332 332 KMEM_CBRC_LATER,
333 333 KMEM_CBRC_DONT_NEED,
334 334 KMEM_CBRC_DONT_KNOW
335 335 } kmem_cbrc_t;
336 336
337 337 /*
338 338 * Task queues
339 339 */
340 340 typedef struct taskq taskq_t;
341 341 typedef uintptr_t taskqid_t;
342 342 typedef void (task_func_t)(void *);
343 343
344 344 typedef struct taskq_ent {
345 345 struct taskq_ent *tqent_next;
346 346 struct taskq_ent *tqent_prev;
347 347 task_func_t *tqent_func;
348 348 void *tqent_arg;
349 349 uintptr_t tqent_flags;
350 350 } taskq_ent_t;
351 351
352 352 #define TQENT_FLAG_PREALLOC 0x1 /* taskq_dispatch_ent used */
353 353
354 354 #define TASKQ_PREPOPULATE 0x0001
355 355 #define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */
356 356 #define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */
357 357 #define TASKQ_THREADS_CPU_PCT 0x0008 /* Scale # threads by # cpus */
358 358 #define TASKQ_DC_BATCH 0x0010 /* Mark threads as batch */
359 359
360 360 #define TQ_SLEEP KM_SLEEP /* Can block for memory */
361 361 #define TQ_NOSLEEP KM_NOSLEEP /* cannot block for memory; may fail */
362 362 #define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */
363 363 #define TQ_FRONT 0x08 /* Queue in front */
364 364
365 365
366 366 extern taskq_t *system_taskq;
367 367
368 368 extern taskq_t *taskq_create(const char *, int, pri_t, int, int, uint_t);
369 369 #define taskq_create_proc(a, b, c, d, e, p, f) \
370 370 (taskq_create(a, b, c, d, e, f))
371 371 #define taskq_create_sysdc(a, b, d, e, p, dc, f) \
372 372 (taskq_create(a, b, maxclsyspri, d, e, f))
373 373 extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t);
374 374 extern void taskq_dispatch_ent(taskq_t *, task_func_t, void *, uint_t,
375 375 taskq_ent_t *);
376 376 extern void taskq_destroy(taskq_t *);
377 377 extern void taskq_wait(taskq_t *);
378 378 extern int taskq_member(taskq_t *, void *);
379 379 extern void system_taskq_init(void);
380 380 extern void system_taskq_fini(void);
381 381
382 382 #define XVA_MAPSIZE 3
383 383 #define XVA_MAGIC 0x78766174
384 384
385 385 /*
386 386 * vnodes
387 387 */
388 388 typedef struct vnode {
389 389 uint64_t v_size;
390 390 int v_fd;
391 391 char *v_path;
392 392 } vnode_t;
393 393
394 394 #define AV_SCANSTAMP_SZ 32 /* length of anti-virus scanstamp */
395 395
396 396 typedef struct xoptattr {
397 397 timestruc_t xoa_createtime; /* Create time of file */
398 398 uint8_t xoa_archive;
399 399 uint8_t xoa_system;
400 400 uint8_t xoa_readonly;
401 401 uint8_t xoa_hidden;
402 402 uint8_t xoa_nounlink;
403 403 uint8_t xoa_immutable;
404 404 uint8_t xoa_appendonly;
405 405 uint8_t xoa_nodump;
406 406 uint8_t xoa_settable;
407 407 uint8_t xoa_opaque;
408 408 uint8_t xoa_av_quarantined;
409 409 uint8_t xoa_av_modified;
410 410 uint8_t xoa_av_scanstamp[AV_SCANSTAMP_SZ];
411 411 uint8_t xoa_reparse;
412 412 uint8_t xoa_offline;
413 413 uint8_t xoa_sparse;
414 414 } xoptattr_t;
415 415
416 416 typedef struct vattr {
417 417 uint_t va_mask; /* bit-mask of attributes */
418 418 u_offset_t va_size; /* file size in bytes */
419 419 } vattr_t;
420 420
421 421
422 422 typedef struct xvattr {
423 423 vattr_t xva_vattr; /* Embedded vattr structure */
424 424 uint32_t xva_magic; /* Magic Number */
425 425 uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */
426 426 uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */
427 427 uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */
428 428 uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */
429 429 xoptattr_t xva_xoptattrs; /* Optional attributes */
430 430 } xvattr_t;
431 431
432 432 typedef struct vsecattr {
433 433 uint_t vsa_mask; /* See below */
434 434 int vsa_aclcnt; /* ACL entry count */
435 435 void *vsa_aclentp; /* pointer to ACL entries */
436 436 int vsa_dfaclcnt; /* default ACL entry count */
437 437 void *vsa_dfaclentp; /* pointer to default ACL entries */
438 438 size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */
439 439 } vsecattr_t;
440 440
441 441 #define AT_TYPE 0x00001
442 442 #define AT_MODE 0x00002
443 443 #define AT_UID 0x00004
444 444 #define AT_GID 0x00008
445 445 #define AT_FSID 0x00010
446 446 #define AT_NODEID 0x00020
447 447 #define AT_NLINK 0x00040
448 448 #define AT_SIZE 0x00080
449 449 #define AT_ATIME 0x00100
450 450 #define AT_MTIME 0x00200
451 451 #define AT_CTIME 0x00400
452 452 #define AT_RDEV 0x00800
453 453 #define AT_BLKSIZE 0x01000
454 454 #define AT_NBLOCKS 0x02000
455 455 #define AT_SEQ 0x08000
456 456 #define AT_XVATTR 0x10000
457 457
458 458 #define CRCREAT 0
459 459
460 460 extern int fop_getattr(vnode_t *vp, vattr_t *vap);
461 461
462 462 #define VOP_CLOSE(vp, f, c, o, cr, ct) 0
463 463 #define VOP_PUTPAGE(vp, of, sz, fl, cr, ct) 0
464 464 #define VOP_GETATTR(vp, vap, fl, cr, ct) fop_getattr((vp), (vap));
465 465
466 466 #define VOP_FSYNC(vp, f, cr, ct) fsync((vp)->v_fd)
467 467
468 468 #define VN_RELE(vp) vn_close(vp)
469 469
470 470 extern int vn_open(char *path, int x1, int oflags, int mode, vnode_t **vpp,
471 471 int x2, int x3);
472 472 extern int vn_openat(char *path, int x1, int oflags, int mode, vnode_t **vpp,
473 473 int x2, int x3, vnode_t *vp, int fd);
474 474 extern int vn_rdwr(int uio, vnode_t *vp, void *addr, ssize_t len,
475 475 offset_t offset, int x1, int x2, rlim64_t x3, void *x4, ssize_t *residp);
476 476 extern void vn_close(vnode_t *vp);
477 477
478 478 #define vn_remove(path, x1, x2) remove(path)
479 479 #define vn_rename(from, to, seg) rename((from), (to))
480 480 #define vn_is_readonly(vp) B_FALSE
481 481
482 482 extern vnode_t *rootdir;
483 483
484 484 #include <sys/file.h> /* for FREAD, FWRITE, etc */
485 485
486 486 /*
487 487 * Random stuff
488 488 */
489 489 #define ddi_get_lbolt() (gethrtime() >> 23)
490 490 #define ddi_get_lbolt64() (gethrtime() >> 23)
491 491 #define hz 119 /* frequency when using gethrtime() >> 23 for lbolt */
492 492
493 493 extern void delay(clock_t ticks);
494 494
495 495 #define SEC_TO_TICK(sec) ((sec) * hz)
496 496 #define NSEC_TO_TICK(usec) ((usec) / (NANOSEC / hz))
497 497
498 498 #define gethrestime_sec() time(NULL)
499 499 #define gethrestime(t) \
500 500 do {\
501 501 (t)->tv_sec = gethrestime_sec();\
502 502 (t)->tv_nsec = 0;\
503 503 } while (0);
504 504
505 505 #define max_ncpus 64
506 506
507 507 #define minclsyspri 60
508 508 #define maxclsyspri 99
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509 509
510 510 #define CPU_SEQID (thr_self() & (max_ncpus - 1))
511 511
512 512 #define kcred NULL
513 513 #define CRED() NULL
514 514
515 515 #define ptob(x) ((x) * PAGESIZE)
516 516
517 517 extern uint64_t physmem;
518 518
519 -extern int highbit(ulong_t i);
519 +extern int highbit64(uint64_t i);
520 520 extern int random_get_bytes(uint8_t *ptr, size_t len);
521 521 extern int random_get_pseudo_bytes(uint8_t *ptr, size_t len);
522 522
523 523 extern void kernel_init(int);
524 524 extern void kernel_fini(void);
525 525
526 526 struct spa;
527 527 extern void nicenum(uint64_t num, char *buf);
528 528 extern void show_pool_stats(struct spa *);
529 529
530 530 typedef struct callb_cpr {
531 531 kmutex_t *cc_lockp;
532 532 } callb_cpr_t;
533 533
534 534 #define CALLB_CPR_INIT(cp, lockp, func, name) { \
535 535 (cp)->cc_lockp = lockp; \
536 536 }
537 537
538 538 #define CALLB_CPR_SAFE_BEGIN(cp) { \
539 539 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
540 540 }
541 541
542 542 #define CALLB_CPR_SAFE_END(cp, lockp) { \
543 543 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
544 544 }
545 545
546 546 #define CALLB_CPR_EXIT(cp) { \
547 547 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
548 548 mutex_exit((cp)->cc_lockp); \
549 549 }
550 550
551 551 #define zone_dataset_visible(x, y) (1)
552 552 #define INGLOBALZONE(z) (1)
553 553
554 554 extern char *kmem_asprintf(const char *fmt, ...);
555 555 #define strfree(str) kmem_free((str), strlen(str) + 1)
556 556
557 557 /*
558 558 * Hostname information
559 559 */
560 560 extern char hw_serial[]; /* for userland-emulated hostid access */
561 561 extern int ddi_strtoul(const char *str, char **nptr, int base,
562 562 unsigned long *result);
563 563
564 564 extern int ddi_strtoull(const char *str, char **nptr, int base,
565 565 u_longlong_t *result);
566 566
567 567 /* ZFS Boot Related stuff. */
568 568
569 569 struct _buf {
570 570 intptr_t _fd;
571 571 };
572 572
573 573 struct bootstat {
574 574 uint64_t st_size;
575 575 };
576 576
577 577 typedef struct ace_object {
578 578 uid_t a_who;
579 579 uint32_t a_access_mask;
580 580 uint16_t a_flags;
581 581 uint16_t a_type;
582 582 uint8_t a_obj_type[16];
583 583 uint8_t a_inherit_obj_type[16];
584 584 } ace_object_t;
585 585
586 586
587 587 #define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05
588 588 #define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE 0x06
589 589 #define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07
590 590 #define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08
591 591
592 592 extern struct _buf *kobj_open_file(char *name);
593 593 extern int kobj_read_file(struct _buf *file, char *buf, unsigned size,
594 594 unsigned off);
595 595 extern void kobj_close_file(struct _buf *file);
596 596 extern int kobj_get_filesize(struct _buf *file, uint64_t *size);
597 597 extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr);
598 598 extern int zfs_secpolicy_rename_perms(const char *from, const char *to,
599 599 cred_t *cr);
600 600 extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr);
601 601 extern zoneid_t getzoneid(void);
602 602
603 603 /* SID stuff */
604 604 typedef struct ksiddomain {
605 605 uint_t kd_ref;
606 606 uint_t kd_len;
607 607 char *kd_name;
608 608 } ksiddomain_t;
609 609
610 610 ksiddomain_t *ksid_lookupdomain(const char *);
611 611 void ksiddomain_rele(ksiddomain_t *);
612 612
613 613 #define DDI_SLEEP KM_SLEEP
614 614 #define ddi_log_sysevent(_a, _b, _c, _d, _e, _f, _g) \
615 615 sysevent_post_event(_c, _d, _b, "libzpool", _e, _f)
616 616
617 617 /*
618 618 * Cyclic information
619 619 */
620 620 extern kmutex_t cpu_lock;
621 621
622 622 typedef uintptr_t cyclic_id_t;
623 623 typedef uint16_t cyc_level_t;
624 624 typedef void (*cyc_func_t)(void *);
625 625
626 626 #define CY_LOW_LEVEL 0
627 627 #define CY_INFINITY INT64_MAX
628 628 #define CYCLIC_NONE ((cyclic_id_t)0)
629 629
630 630 typedef struct cyc_time {
631 631 hrtime_t cyt_when;
632 632 hrtime_t cyt_interval;
633 633 } cyc_time_t;
634 634
635 635 typedef struct cyc_handler {
636 636 cyc_func_t cyh_func;
637 637 void *cyh_arg;
638 638 cyc_level_t cyh_level;
639 639 } cyc_handler_t;
640 640
641 641 extern cyclic_id_t cyclic_add(cyc_handler_t *, cyc_time_t *);
642 642 extern void cyclic_remove(cyclic_id_t);
643 643 extern int cyclic_reprogram(cyclic_id_t, hrtime_t);
644 644
645 645 /*
646 646 * Buf structure
647 647 */
648 648 #define B_BUSY 0x0001
649 649 #define B_DONE 0x0002
650 650 #define B_ERROR 0x0004
651 651 #define B_READ 0x0040 /* read when I/O occurs */
652 652 #define B_WRITE 0x0100 /* non-read pseudo-flag */
653 653
654 654 typedef struct buf {
655 655 int b_flags;
656 656 size_t b_bcount;
657 657 union {
658 658 caddr_t b_addr;
659 659 } b_un;
660 660
661 661 lldaddr_t _b_blkno;
662 662 #define b_lblkno _b_blkno._f
663 663 size_t b_resid;
664 664 size_t b_bufsize;
665 665 int (*b_iodone)(struct buf *);
666 666 int b_error;
667 667 void *b_private;
668 668 } buf_t;
669 669
670 670 extern void bioinit(buf_t *);
671 671 extern void biodone(buf_t *);
672 672 extern void bioerror(buf_t *, int);
673 673 extern int geterror(buf_t *);
674 674
675 675 #ifdef __cplusplus
676 676 }
677 677 #endif
678 678
679 679 #endif /* _SYS_ZFS_CONTEXT_H */
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