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3006 VERIFY[S,U,P] and ASSERT[S,U,P] frequently check if first argument is zero
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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
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 24 * Copyright (c) 2012 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
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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 -#define _SYS_DEBUG_H
40 39 #define _SYS_T_LOCK_H
41 40 #define _SYS_VNODE_H
42 41 #define _SYS_VFS_H
43 42 #define _SYS_SUNDDI_H
44 43 #define _SYS_CALLB_H
45 44
46 45 #include <stdio.h>
47 46 #include <stdlib.h>
48 47 #include <stddef.h>
49 48 #include <stdarg.h>
50 49 #include <fcntl.h>
51 50 #include <unistd.h>
52 51 #include <errno.h>
53 52 #include <string.h>
54 53 #include <strings.h>
55 54 #include <synch.h>
56 55 #include <thread.h>
57 56 #include <assert.h>
58 57 #include <alloca.h>
59 58 #include <umem.h>
60 59 #include <limits.h>
61 60 #include <atomic.h>
62 61 #include <dirent.h>
63 62 #include <time.h>
64 63 #include <libsysevent.h>
65 64 #include <sys/note.h>
66 65 #include <sys/types.h>
67 66 #include <sys/cred.h>
68 67 #include <sys/sysmacros.h>
69 68 #include <sys/bitmap.h>
70 69 #include <sys/resource.h>
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71 70 #include <sys/byteorder.h>
72 71 #include <sys/list.h>
73 72 #include <sys/uio.h>
74 73 #include <sys/zfs_debug.h>
75 74 #include <sys/sdt.h>
76 75 #include <sys/kstat.h>
77 76 #include <sys/u8_textprep.h>
78 77 #include <sys/sysevent/eventdefs.h>
79 78 #include <sys/sysevent/dev.h>
80 79 #include <sys/sunddi.h>
80 +#include <sys/debug.h>
81 81
82 82 /*
83 83 * Debugging
84 84 */
85 85
86 86 /*
87 87 * Note that we are not using the debugging levels.
88 88 */
89 89
90 90 #define CE_CONT 0 /* continuation */
91 91 #define CE_NOTE 1 /* notice */
92 92 #define CE_WARN 2 /* warning */
93 93 #define CE_PANIC 3 /* panic */
94 94 #define CE_IGNORE 4 /* print nothing */
95 95
96 96 /*
97 97 * ZFS debugging
98 98 */
99 99
100 100 #ifdef ZFS_DEBUG
101 101 extern void dprintf_setup(int *argc, char **argv);
102 102 #endif /* ZFS_DEBUG */
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103 103
104 104 extern void cmn_err(int, const char *, ...);
105 105 extern void vcmn_err(int, const char *, __va_list);
106 106 extern void panic(const char *, ...);
107 107 extern void vpanic(const char *, __va_list);
108 108
109 109 #define fm_panic panic
110 110
111 111 extern int aok;
112 112
113 -/* This definition is copied from assert.h. */
114 -#if defined(__STDC__)
115 -#if __STDC_VERSION__ - 0 >= 199901L
116 -#define zverify(EX) (void)((EX) || (aok) || \
117 - (__assert_c99(#EX, __FILE__, __LINE__, __func__), 0))
118 -#else
119 -#define zverify(EX) (void)((EX) || (aok) || \
120 - (__assert(#EX, __FILE__, __LINE__), 0))
121 -#endif /* __STDC_VERSION__ - 0 >= 199901L */
122 -#else
123 -#define zverify(EX) (void)((EX) || (aok) || \
124 - (_assert("EX", __FILE__, __LINE__), 0))
125 -#endif /* __STDC__ */
126 -
127 -
128 -#define VERIFY zverify
129 -#define ASSERT zverify
130 -#undef assert
131 -#define assert zverify
132 -
133 -extern void __assert(const char *, const char *, int);
134 -
135 -#ifdef lint
136 -#define VERIFY3_IMPL(x, y, z, t) if (x == z) ((void)0)
137 -#else
138 -/* BEGIN CSTYLED */
139 -#define VERIFY3_IMPL(LEFT, OP, RIGHT, TYPE) do { \
140 - const TYPE __left = (TYPE)(LEFT); \
141 - const TYPE __right = (TYPE)(RIGHT); \
142 - if (!(__left OP __right) && (!aok)) { \
143 - char *__buf = alloca(256); \
144 - (void) snprintf(__buf, 256, "%s %s %s (0x%llx %s 0x%llx)", \
145 - #LEFT, #OP, #RIGHT, \
146 - (u_longlong_t)__left, #OP, (u_longlong_t)__right); \
147 - __assert(__buf, __FILE__, __LINE__); \
148 - } \
149 -_NOTE(CONSTCOND) } while (0)
150 -/* END CSTYLED */
151 -#endif /* lint */
152 -
153 -#define VERIFY3S(x, y, z) VERIFY3_IMPL(x, y, z, int64_t)
154 -#define VERIFY3U(x, y, z) VERIFY3_IMPL(x, y, z, uint64_t)
155 -#define VERIFY3P(x, y, z) VERIFY3_IMPL(x, y, z, uintptr_t)
156 -
157 -#ifdef NDEBUG
158 -#define ASSERT3S(x, y, z) ((void)0)
159 -#define ASSERT3U(x, y, z) ((void)0)
160 -#define ASSERT3P(x, y, z) ((void)0)
161 -#else
162 -#define ASSERT3S(x, y, z) VERIFY3S(x, y, z)
163 -#define ASSERT3U(x, y, z) VERIFY3U(x, y, z)
164 -#define ASSERT3P(x, y, z) VERIFY3P(x, y, z)
165 -#endif
166 -
167 113 /*
168 114 * DTrace SDT probes have different signatures in userland than they do in
169 115 * kernel. If they're being used in kernel code, re-define them out of
170 116 * existence for their counterparts in libzpool.
171 117 */
172 118
173 119 #ifdef DTRACE_PROBE
174 120 #undef DTRACE_PROBE
175 121 #define DTRACE_PROBE(a) ((void)0)
176 122 #endif /* DTRACE_PROBE */
177 123
178 124 #ifdef DTRACE_PROBE1
179 125 #undef DTRACE_PROBE1
180 126 #define DTRACE_PROBE1(a, b, c) ((void)0)
181 127 #endif /* DTRACE_PROBE1 */
182 128
183 129 #ifdef DTRACE_PROBE2
184 130 #undef DTRACE_PROBE2
185 131 #define DTRACE_PROBE2(a, b, c, d, e) ((void)0)
186 132 #endif /* DTRACE_PROBE2 */
187 133
188 134 #ifdef DTRACE_PROBE3
189 135 #undef DTRACE_PROBE3
190 136 #define DTRACE_PROBE3(a, b, c, d, e, f, g) ((void)0)
191 137 #endif /* DTRACE_PROBE3 */
192 138
193 139 #ifdef DTRACE_PROBE4
194 140 #undef DTRACE_PROBE4
195 141 #define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) ((void)0)
196 142 #endif /* DTRACE_PROBE4 */
197 143
198 144 /*
199 145 * Threads
200 146 */
201 147 #define curthread ((void *)(uintptr_t)thr_self())
202 148
203 149 typedef struct kthread kthread_t;
204 150
205 151 #define thread_create(stk, stksize, func, arg, len, pp, state, pri) \
206 152 zk_thread_create(func, arg)
207 153 #define thread_exit() thr_exit(NULL)
208 154 #define thread_join(t) panic("libzpool cannot join threads")
209 155
210 156 #define newproc(f, a, cid, pri, ctp, pid) (ENOSYS)
211 157
212 158 /* in libzpool, p0 exists only to have its address taken */
213 159 struct proc {
214 160 uintptr_t this_is_never_used_dont_dereference_it;
215 161 };
216 162
217 163 extern struct proc p0;
218 164 #define curproc (&p0)
219 165
220 166 #define PS_NONE -1
221 167
222 168 extern kthread_t *zk_thread_create(void (*func)(), void *arg);
223 169
224 170 #define issig(why) (FALSE)
225 171 #define ISSIG(thr, why) (FALSE)
226 172
227 173 /*
228 174 * Mutexes
229 175 */
230 176 typedef struct kmutex {
231 177 void *m_owner;
232 178 boolean_t initialized;
233 179 mutex_t m_lock;
234 180 } kmutex_t;
235 181
236 182 #define MUTEX_DEFAULT USYNC_THREAD
237 183 #undef MUTEX_HELD
238 184 #undef MUTEX_NOT_HELD
239 185 #define MUTEX_HELD(m) _mutex_held(&(m)->m_lock)
240 186 #define MUTEX_NOT_HELD(m) (!MUTEX_HELD(m))
241 187
242 188 /*
243 189 * Argh -- we have to get cheesy here because the kernel and userland
244 190 * have different signatures for the same routine.
245 191 */
246 192 extern int _mutex_init(mutex_t *mp, int type, void *arg);
247 193 extern int _mutex_destroy(mutex_t *mp);
248 194
249 195 #define mutex_init(mp, b, c, d) zmutex_init((kmutex_t *)(mp))
250 196 #define mutex_destroy(mp) zmutex_destroy((kmutex_t *)(mp))
251 197
252 198 extern void zmutex_init(kmutex_t *mp);
253 199 extern void zmutex_destroy(kmutex_t *mp);
254 200 extern void mutex_enter(kmutex_t *mp);
255 201 extern void mutex_exit(kmutex_t *mp);
256 202 extern int mutex_tryenter(kmutex_t *mp);
257 203 extern void *mutex_owner(kmutex_t *mp);
258 204
259 205 /*
260 206 * RW locks
261 207 */
262 208 typedef struct krwlock {
263 209 void *rw_owner;
264 210 boolean_t initialized;
265 211 rwlock_t rw_lock;
266 212 } krwlock_t;
267 213
268 214 typedef int krw_t;
269 215
270 216 #define RW_READER 0
271 217 #define RW_WRITER 1
272 218 #define RW_DEFAULT USYNC_THREAD
273 219
274 220 #undef RW_READ_HELD
275 221 #define RW_READ_HELD(x) _rw_read_held(&(x)->rw_lock)
276 222
277 223 #undef RW_WRITE_HELD
278 224 #define RW_WRITE_HELD(x) _rw_write_held(&(x)->rw_lock)
279 225
280 226 extern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg);
281 227 extern void rw_destroy(krwlock_t *rwlp);
282 228 extern void rw_enter(krwlock_t *rwlp, krw_t rw);
283 229 extern int rw_tryenter(krwlock_t *rwlp, krw_t rw);
284 230 extern int rw_tryupgrade(krwlock_t *rwlp);
285 231 extern void rw_exit(krwlock_t *rwlp);
286 232 #define rw_downgrade(rwlp) do { } while (0)
287 233
288 234 extern uid_t crgetuid(cred_t *cr);
289 235 extern uid_t crgetruid(cred_t *cr);
290 236 extern gid_t crgetgid(cred_t *cr);
291 237 extern int crgetngroups(cred_t *cr);
292 238 extern gid_t *crgetgroups(cred_t *cr);
293 239
294 240 /*
295 241 * Condition variables
296 242 */
297 243 typedef cond_t kcondvar_t;
298 244
299 245 #define CV_DEFAULT USYNC_THREAD
300 246
301 247 extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg);
302 248 extern void cv_destroy(kcondvar_t *cv);
303 249 extern void cv_wait(kcondvar_t *cv, kmutex_t *mp);
304 250 extern clock_t cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime);
305 251 extern void cv_signal(kcondvar_t *cv);
306 252 extern void cv_broadcast(kcondvar_t *cv);
307 253
308 254 /*
309 255 * kstat creation, installation and deletion
310 256 */
311 257 extern kstat_t *kstat_create(char *, int,
312 258 char *, char *, uchar_t, ulong_t, uchar_t);
313 259 extern void kstat_install(kstat_t *);
314 260 extern void kstat_delete(kstat_t *);
315 261
316 262 /*
317 263 * Kernel memory
318 264 */
319 265 #define KM_SLEEP UMEM_NOFAIL
320 266 #define KM_PUSHPAGE KM_SLEEP
321 267 #define KM_NOSLEEP UMEM_DEFAULT
322 268 #define KMC_NODEBUG UMC_NODEBUG
323 269 #define KMC_NOTOUCH 0 /* not needed for userland caches */
324 270 #define kmem_alloc(_s, _f) umem_alloc(_s, _f)
325 271 #define kmem_zalloc(_s, _f) umem_zalloc(_s, _f)
326 272 #define kmem_free(_b, _s) umem_free(_b, _s)
327 273 #define kmem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) \
328 274 umem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i)
329 275 #define kmem_cache_destroy(_c) umem_cache_destroy(_c)
330 276 #define kmem_cache_alloc(_c, _f) umem_cache_alloc(_c, _f)
331 277 #define kmem_cache_free(_c, _b) umem_cache_free(_c, _b)
332 278 #define kmem_debugging() 0
333 279 #define kmem_cache_reap_now(_c) /* nothing */
334 280 #define kmem_cache_set_move(_c, _cb) /* nothing */
335 281 #define vmem_qcache_reap(_v) /* nothing */
336 282 #define POINTER_INVALIDATE(_pp) /* nothing */
337 283 #define POINTER_IS_VALID(_p) 0
338 284
339 285 extern vmem_t *zio_arena;
340 286
341 287 typedef umem_cache_t kmem_cache_t;
342 288
343 289 typedef enum kmem_cbrc {
344 290 KMEM_CBRC_YES,
345 291 KMEM_CBRC_NO,
346 292 KMEM_CBRC_LATER,
347 293 KMEM_CBRC_DONT_NEED,
348 294 KMEM_CBRC_DONT_KNOW
349 295 } kmem_cbrc_t;
350 296
351 297 /*
352 298 * Task queues
353 299 */
354 300 typedef struct taskq taskq_t;
355 301 typedef uintptr_t taskqid_t;
356 302 typedef void (task_func_t)(void *);
357 303
358 304 typedef struct taskq_ent {
359 305 struct taskq_ent *tqent_next;
360 306 struct taskq_ent *tqent_prev;
361 307 task_func_t *tqent_func;
362 308 void *tqent_arg;
363 309 uintptr_t tqent_flags;
364 310 } taskq_ent_t;
365 311
366 312 #define TQENT_FLAG_PREALLOC 0x1 /* taskq_dispatch_ent used */
367 313
368 314 #define TASKQ_PREPOPULATE 0x0001
369 315 #define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */
370 316 #define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */
371 317 #define TASKQ_THREADS_CPU_PCT 0x0008 /* Scale # threads by # cpus */
372 318 #define TASKQ_DC_BATCH 0x0010 /* Mark threads as batch */
373 319
374 320 #define TQ_SLEEP KM_SLEEP /* Can block for memory */
375 321 #define TQ_NOSLEEP KM_NOSLEEP /* cannot block for memory; may fail */
376 322 #define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */
377 323 #define TQ_FRONT 0x08 /* Queue in front */
378 324
379 325
380 326 extern taskq_t *system_taskq;
381 327
382 328 extern taskq_t *taskq_create(const char *, int, pri_t, int, int, uint_t);
383 329 #define taskq_create_proc(a, b, c, d, e, p, f) \
384 330 (taskq_create(a, b, c, d, e, f))
385 331 #define taskq_create_sysdc(a, b, d, e, p, dc, f) \
386 332 (taskq_create(a, b, maxclsyspri, d, e, f))
387 333 extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t);
388 334 extern void taskq_dispatch_ent(taskq_t *, task_func_t, void *, uint_t,
389 335 taskq_ent_t *);
390 336 extern void taskq_destroy(taskq_t *);
391 337 extern void taskq_wait(taskq_t *);
392 338 extern int taskq_member(taskq_t *, void *);
393 339 extern void system_taskq_init(void);
394 340 extern void system_taskq_fini(void);
395 341
396 342 #define XVA_MAPSIZE 3
397 343 #define XVA_MAGIC 0x78766174
398 344
399 345 /*
400 346 * vnodes
401 347 */
402 348 typedef struct vnode {
403 349 uint64_t v_size;
404 350 int v_fd;
405 351 char *v_path;
406 352 } vnode_t;
407 353
408 354 #define AV_SCANSTAMP_SZ 32 /* length of anti-virus scanstamp */
409 355
410 356 typedef struct xoptattr {
411 357 timestruc_t xoa_createtime; /* Create time of file */
412 358 uint8_t xoa_archive;
413 359 uint8_t xoa_system;
414 360 uint8_t xoa_readonly;
415 361 uint8_t xoa_hidden;
416 362 uint8_t xoa_nounlink;
417 363 uint8_t xoa_immutable;
418 364 uint8_t xoa_appendonly;
419 365 uint8_t xoa_nodump;
420 366 uint8_t xoa_settable;
421 367 uint8_t xoa_opaque;
422 368 uint8_t xoa_av_quarantined;
423 369 uint8_t xoa_av_modified;
424 370 uint8_t xoa_av_scanstamp[AV_SCANSTAMP_SZ];
425 371 uint8_t xoa_reparse;
426 372 uint8_t xoa_offline;
427 373 uint8_t xoa_sparse;
428 374 } xoptattr_t;
429 375
430 376 typedef struct vattr {
431 377 uint_t va_mask; /* bit-mask of attributes */
432 378 u_offset_t va_size; /* file size in bytes */
433 379 } vattr_t;
434 380
435 381
436 382 typedef struct xvattr {
437 383 vattr_t xva_vattr; /* Embedded vattr structure */
438 384 uint32_t xva_magic; /* Magic Number */
439 385 uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */
440 386 uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */
441 387 uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */
442 388 uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */
443 389 xoptattr_t xva_xoptattrs; /* Optional attributes */
444 390 } xvattr_t;
445 391
446 392 typedef struct vsecattr {
447 393 uint_t vsa_mask; /* See below */
448 394 int vsa_aclcnt; /* ACL entry count */
449 395 void *vsa_aclentp; /* pointer to ACL entries */
450 396 int vsa_dfaclcnt; /* default ACL entry count */
451 397 void *vsa_dfaclentp; /* pointer to default ACL entries */
452 398 size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */
453 399 } vsecattr_t;
454 400
455 401 #define AT_TYPE 0x00001
456 402 #define AT_MODE 0x00002
457 403 #define AT_UID 0x00004
458 404 #define AT_GID 0x00008
459 405 #define AT_FSID 0x00010
460 406 #define AT_NODEID 0x00020
461 407 #define AT_NLINK 0x00040
462 408 #define AT_SIZE 0x00080
463 409 #define AT_ATIME 0x00100
464 410 #define AT_MTIME 0x00200
465 411 #define AT_CTIME 0x00400
466 412 #define AT_RDEV 0x00800
467 413 #define AT_BLKSIZE 0x01000
468 414 #define AT_NBLOCKS 0x02000
469 415 #define AT_SEQ 0x08000
470 416 #define AT_XVATTR 0x10000
471 417
472 418 #define CRCREAT 0
473 419
474 420 extern int fop_getattr(vnode_t *vp, vattr_t *vap);
475 421
476 422 #define VOP_CLOSE(vp, f, c, o, cr, ct) 0
477 423 #define VOP_PUTPAGE(vp, of, sz, fl, cr, ct) 0
478 424 #define VOP_GETATTR(vp, vap, fl, cr, ct) fop_getattr((vp), (vap));
479 425
480 426 #define VOP_FSYNC(vp, f, cr, ct) fsync((vp)->v_fd)
481 427
482 428 #define VN_RELE(vp) vn_close(vp)
483 429
484 430 extern int vn_open(char *path, int x1, int oflags, int mode, vnode_t **vpp,
485 431 int x2, int x3);
486 432 extern int vn_openat(char *path, int x1, int oflags, int mode, vnode_t **vpp,
487 433 int x2, int x3, vnode_t *vp, int fd);
488 434 extern int vn_rdwr(int uio, vnode_t *vp, void *addr, ssize_t len,
489 435 offset_t offset, int x1, int x2, rlim64_t x3, void *x4, ssize_t *residp);
490 436 extern void vn_close(vnode_t *vp);
491 437
492 438 #define vn_remove(path, x1, x2) remove(path)
493 439 #define vn_rename(from, to, seg) rename((from), (to))
494 440 #define vn_is_readonly(vp) B_FALSE
495 441
496 442 extern vnode_t *rootdir;
497 443
498 444 #include <sys/file.h> /* for FREAD, FWRITE, etc */
499 445
500 446 /*
501 447 * Random stuff
502 448 */
503 449 #define ddi_get_lbolt() (gethrtime() >> 23)
504 450 #define ddi_get_lbolt64() (gethrtime() >> 23)
505 451 #define hz 119 /* frequency when using gethrtime() >> 23 for lbolt */
506 452
507 453 extern void delay(clock_t ticks);
508 454
509 455 #define gethrestime_sec() time(NULL)
510 456 #define gethrestime(t) \
511 457 do {\
512 458 (t)->tv_sec = gethrestime_sec();\
513 459 (t)->tv_nsec = 0;\
514 460 } while (0);
515 461
516 462 #define max_ncpus 64
517 463
518 464 #define minclsyspri 60
519 465 #define maxclsyspri 99
520 466
521 467 #define CPU_SEQID (thr_self() & (max_ncpus - 1))
522 468
523 469 #define kcred NULL
524 470 #define CRED() NULL
525 471
526 472 #define ptob(x) ((x) * PAGESIZE)
527 473
528 474 extern uint64_t physmem;
529 475
530 476 extern int highbit(ulong_t i);
531 477 extern int random_get_bytes(uint8_t *ptr, size_t len);
532 478 extern int random_get_pseudo_bytes(uint8_t *ptr, size_t len);
533 479
534 480 extern void kernel_init(int);
535 481 extern void kernel_fini(void);
536 482
537 483 struct spa;
538 484 extern void nicenum(uint64_t num, char *buf);
539 485 extern void show_pool_stats(struct spa *);
540 486
541 487 typedef struct callb_cpr {
542 488 kmutex_t *cc_lockp;
543 489 } callb_cpr_t;
544 490
545 491 #define CALLB_CPR_INIT(cp, lockp, func, name) { \
546 492 (cp)->cc_lockp = lockp; \
547 493 }
548 494
549 495 #define CALLB_CPR_SAFE_BEGIN(cp) { \
550 496 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
551 497 }
552 498
553 499 #define CALLB_CPR_SAFE_END(cp, lockp) { \
554 500 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
555 501 }
556 502
557 503 #define CALLB_CPR_EXIT(cp) { \
558 504 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
559 505 mutex_exit((cp)->cc_lockp); \
560 506 }
561 507
562 508 #define zone_dataset_visible(x, y) (1)
563 509 #define INGLOBALZONE(z) (1)
564 510
565 511 extern char *kmem_asprintf(const char *fmt, ...);
566 512 #define strfree(str) kmem_free((str), strlen(str)+1)
567 513
568 514 /*
569 515 * Hostname information
570 516 */
571 517 extern char hw_serial[]; /* for userland-emulated hostid access */
572 518 extern int ddi_strtoul(const char *str, char **nptr, int base,
573 519 unsigned long *result);
574 520
575 521 extern int ddi_strtoull(const char *str, char **nptr, int base,
576 522 u_longlong_t *result);
577 523
578 524 /* ZFS Boot Related stuff. */
579 525
580 526 struct _buf {
581 527 intptr_t _fd;
582 528 };
583 529
584 530 struct bootstat {
585 531 uint64_t st_size;
586 532 };
587 533
588 534 typedef struct ace_object {
589 535 uid_t a_who;
590 536 uint32_t a_access_mask;
591 537 uint16_t a_flags;
592 538 uint16_t a_type;
593 539 uint8_t a_obj_type[16];
594 540 uint8_t a_inherit_obj_type[16];
595 541 } ace_object_t;
596 542
597 543
598 544 #define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05
599 545 #define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE 0x06
600 546 #define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07
601 547 #define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08
602 548
603 549 extern struct _buf *kobj_open_file(char *name);
604 550 extern int kobj_read_file(struct _buf *file, char *buf, unsigned size,
605 551 unsigned off);
606 552 extern void kobj_close_file(struct _buf *file);
607 553 extern int kobj_get_filesize(struct _buf *file, uint64_t *size);
608 554 extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr);
609 555 extern int zfs_secpolicy_rename_perms(const char *from, const char *to,
610 556 cred_t *cr);
611 557 extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr);
612 558 extern zoneid_t getzoneid(void);
613 559
614 560 /* SID stuff */
615 561 typedef struct ksiddomain {
616 562 uint_t kd_ref;
617 563 uint_t kd_len;
618 564 char *kd_name;
619 565 } ksiddomain_t;
620 566
621 567 ksiddomain_t *ksid_lookupdomain(const char *);
622 568 void ksiddomain_rele(ksiddomain_t *);
623 569
624 570 #define DDI_SLEEP KM_SLEEP
625 571 #define ddi_log_sysevent(_a, _b, _c, _d, _e, _f, _g) \
626 572 sysevent_post_event(_c, _d, _b, "libzpool", _e, _f)
627 573
628 574 #ifdef __cplusplus
629 575 }
630 576 #endif
631 577
632 578 #endif /* _SYS_ZFS_CONTEXT_H */
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