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 /* 22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23 * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 24 * Copyright (c) 2012 by Delphix. All rights reserved. 25 * Copyright (c) 2012, Joyent, Inc. All rights reserved. 26 */ 27 28 #ifndef _SYS_ZFS_CONTEXT_H 29 #define _SYS_ZFS_CONTEXT_H 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 #define _SYS_MUTEX_H 36 #define _SYS_RWLOCK_H 37 #define _SYS_CONDVAR_H 38 #define _SYS_SYSTM_H 39 #define _SYS_DEBUG_H 40 #define _SYS_T_LOCK_H 41 #define _SYS_VNODE_H 42 #define _SYS_VFS_H 43 #define _SYS_SUNDDI_H 44 #define _SYS_CALLB_H 45 46 #include <stdio.h> 47 #include <stdlib.h> 48 #include <stddef.h> 49 #include <stdarg.h> 50 #include <fcntl.h> 51 #include <unistd.h> 52 #include <errno.h> 53 #include <string.h> 54 #include <strings.h> 55 #include <synch.h> 56 #include <thread.h> 57 #include <assert.h> 58 #include <alloca.h> 59 #include <umem.h> 60 #include <limits.h> 61 #include <atomic.h> 62 #include <dirent.h> 63 #include <time.h> 64 #include <libsysevent.h> 65 #include <sys/note.h> 66 #include <sys/types.h> 67 #include <sys/cred.h> 68 #include <sys/sysmacros.h> 69 #include <sys/bitmap.h> 70 #include <sys/resource.h> 71 #include <sys/byteorder.h> 72 #include <sys/list.h> 73 #include <sys/uio.h> 74 #include <sys/zfs_debug.h> 75 #include <sys/sdt.h> 76 #include <sys/kstat.h> 77 #include <sys/u8_textprep.h> 78 #include <sys/sysevent/eventdefs.h> 79 #include <sys/sysevent/dev.h> 80 #include <sys/sunddi.h> 81 82 /* 83 * Debugging 84 */ 85 86 /* 87 * Note that we are not using the debugging levels. 88 */ 89 90 #define CE_CONT 0 /* continuation */ 91 #define CE_NOTE 1 /* notice */ 92 #define CE_WARN 2 /* warning */ 93 #define CE_PANIC 3 /* panic */ 94 #define CE_IGNORE 4 /* print nothing */ 95 96 /* 97 * ZFS debugging 98 */ 99 100 #ifdef ZFS_DEBUG 101 extern void dprintf_setup(int *argc, char **argv); 102 #endif /* ZFS_DEBUG */ 103 104 extern void cmn_err(int, const char *, ...); 105 extern void vcmn_err(int, const char *, __va_list); 106 extern void panic(const char *, ...); 107 extern void vpanic(const char *, __va_list); 108 109 #define fm_panic panic 110 111 extern int aok; 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 /* 168 * DTrace SDT probes have different signatures in userland than they do in 169 * kernel. If they're being used in kernel code, re-define them out of 170 * existence for their counterparts in libzpool. 171 */ 172 173 #ifdef DTRACE_PROBE 174 #undef DTRACE_PROBE 175 #define DTRACE_PROBE(a) ((void)0) 176 #endif /* DTRACE_PROBE */ 177 178 #ifdef DTRACE_PROBE1 179 #undef DTRACE_PROBE1 180 #define DTRACE_PROBE1(a, b, c) ((void)0) 181 #endif /* DTRACE_PROBE1 */ 182 183 #ifdef DTRACE_PROBE2 184 #undef DTRACE_PROBE2 185 #define DTRACE_PROBE2(a, b, c, d, e) ((void)0) 186 #endif /* DTRACE_PROBE2 */ 187 188 #ifdef DTRACE_PROBE3 189 #undef DTRACE_PROBE3 190 #define DTRACE_PROBE3(a, b, c, d, e, f, g) ((void)0) 191 #endif /* DTRACE_PROBE3 */ 192 193 #ifdef DTRACE_PROBE4 194 #undef DTRACE_PROBE4 195 #define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) ((void)0) 196 #endif /* DTRACE_PROBE4 */ 197 198 /* 199 * Threads 200 */ 201 #define curthread ((void *)(uintptr_t)thr_self()) 202 203 typedef struct kthread kthread_t; 204 205 #define thread_create(stk, stksize, func, arg, len, pp, state, pri) \ 206 zk_thread_create(func, arg) 207 #define thread_exit() thr_exit(NULL) 208 #define thread_join(t) panic("libzpool cannot join threads") 209 210 #define newproc(f, a, cid, pri, ctp, pid) (ENOSYS) 211 212 /* in libzpool, p0 exists only to have its address taken */ 213 struct proc { 214 uintptr_t this_is_never_used_dont_dereference_it; 215 }; 216 217 extern struct proc p0; 218 #define curproc (&p0) 219 220 #define PS_NONE -1 221 222 extern kthread_t *zk_thread_create(void (*func)(), void *arg); 223 224 #define issig(why) (FALSE) 225 #define ISSIG(thr, why) (FALSE) 226 227 /* 228 * Mutexes 229 */ 230 typedef struct kmutex { 231 void *m_owner; 232 boolean_t initialized; 233 mutex_t m_lock; 234 } kmutex_t; 235 236 #define MUTEX_DEFAULT USYNC_THREAD 237 #undef MUTEX_HELD 238 #undef MUTEX_NOT_HELD 239 #define MUTEX_HELD(m) _mutex_held(&(m)->m_lock) 240 #define MUTEX_NOT_HELD(m) (!MUTEX_HELD(m)) 241 242 /* 243 * Argh -- we have to get cheesy here because the kernel and userland 244 * have different signatures for the same routine. 245 */ 246 extern int _mutex_init(mutex_t *mp, int type, void *arg); 247 extern int _mutex_destroy(mutex_t *mp); 248 249 #define mutex_init(mp, b, c, d) zmutex_init((kmutex_t *)(mp)) 250 #define mutex_destroy(mp) zmutex_destroy((kmutex_t *)(mp)) 251 252 extern void zmutex_init(kmutex_t *mp); 253 extern void zmutex_destroy(kmutex_t *mp); 254 extern void mutex_enter(kmutex_t *mp); 255 extern void mutex_exit(kmutex_t *mp); 256 extern int mutex_tryenter(kmutex_t *mp); 257 extern void *mutex_owner(kmutex_t *mp); 258 259 /* 260 * RW locks 261 */ 262 typedef struct krwlock { 263 void *rw_owner; 264 boolean_t initialized; 265 rwlock_t rw_lock; 266 } krwlock_t; 267 268 typedef int krw_t; 269 270 #define RW_READER 0 271 #define RW_WRITER 1 272 #define RW_DEFAULT USYNC_THREAD 273 274 #undef RW_READ_HELD 275 #define RW_READ_HELD(x) _rw_read_held(&(x)->rw_lock) 276 277 #undef RW_WRITE_HELD 278 #define RW_WRITE_HELD(x) _rw_write_held(&(x)->rw_lock) 279 280 extern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg); 281 extern void rw_destroy(krwlock_t *rwlp); 282 extern void rw_enter(krwlock_t *rwlp, krw_t rw); 283 extern int rw_tryenter(krwlock_t *rwlp, krw_t rw); 284 extern int rw_tryupgrade(krwlock_t *rwlp); 285 extern void rw_exit(krwlock_t *rwlp); 286 #define rw_downgrade(rwlp) do { } while (0) 287 288 extern uid_t crgetuid(cred_t *cr); 289 extern gid_t crgetgid(cred_t *cr); 290 extern int crgetngroups(cred_t *cr); 291 extern gid_t *crgetgroups(cred_t *cr); 292 293 /* 294 * Condition variables 295 */ 296 typedef cond_t kcondvar_t; 297 298 #define CV_DEFAULT USYNC_THREAD 299 300 extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg); 301 extern void cv_destroy(kcondvar_t *cv); 302 extern void cv_wait(kcondvar_t *cv, kmutex_t *mp); 303 extern clock_t cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime); 304 extern void cv_signal(kcondvar_t *cv); 305 extern void cv_broadcast(kcondvar_t *cv); 306 307 /* 308 * kstat creation, installation and deletion 309 */ 310 extern kstat_t *kstat_create(char *, int, 311 char *, char *, uchar_t, ulong_t, uchar_t); 312 extern void kstat_install(kstat_t *); 313 extern void kstat_delete(kstat_t *); 314 315 /* 316 * Kernel memory 317 */ 318 #define KM_SLEEP UMEM_NOFAIL 319 #define KM_PUSHPAGE KM_SLEEP 320 #define KM_NOSLEEP UMEM_DEFAULT 321 #define KMC_NODEBUG UMC_NODEBUG 322 #define KMC_NOTOUCH 0 /* not needed for userland caches */ 323 #define kmem_alloc(_s, _f) umem_alloc(_s, _f) 324 #define kmem_zalloc(_s, _f) umem_zalloc(_s, _f) 325 #define kmem_free(_b, _s) umem_free(_b, _s) 326 #define kmem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) \ 327 umem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) 328 #define kmem_cache_destroy(_c) umem_cache_destroy(_c) 329 #define kmem_cache_alloc(_c, _f) umem_cache_alloc(_c, _f) 330 #define kmem_cache_free(_c, _b) umem_cache_free(_c, _b) 331 #define kmem_debugging() 0 332 #define kmem_cache_reap_now(_c) /* nothing */ 333 #define kmem_cache_set_move(_c, _cb) /* nothing */ 334 #define vmem_qcache_reap(_v) /* nothing */ 335 #define POINTER_INVALIDATE(_pp) /* nothing */ 336 #define POINTER_IS_VALID(_p) 0 337 338 extern vmem_t *zio_arena; 339 340 typedef umem_cache_t kmem_cache_t; 341 342 typedef enum kmem_cbrc { 343 KMEM_CBRC_YES, 344 KMEM_CBRC_NO, 345 KMEM_CBRC_LATER, 346 KMEM_CBRC_DONT_NEED, 347 KMEM_CBRC_DONT_KNOW 348 } kmem_cbrc_t; 349 350 /* 351 * Task queues 352 */ 353 typedef struct taskq taskq_t; 354 typedef uintptr_t taskqid_t; 355 typedef void (task_func_t)(void *); 356 357 typedef struct taskq_ent { 358 struct taskq_ent *tqent_next; 359 struct taskq_ent *tqent_prev; 360 task_func_t *tqent_func; 361 void *tqent_arg; 362 uintptr_t tqent_flags; 363 } taskq_ent_t; 364 365 #define TQENT_FLAG_PREALLOC 0x1 /* taskq_dispatch_ent used */ 366 367 #define TASKQ_PREPOPULATE 0x0001 368 #define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */ 369 #define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */ 370 #define TASKQ_THREADS_CPU_PCT 0x0008 /* Scale # threads by # cpus */ 371 #define TASKQ_DC_BATCH 0x0010 /* Mark threads as batch */ 372 373 #define TQ_SLEEP KM_SLEEP /* Can block for memory */ 374 #define TQ_NOSLEEP KM_NOSLEEP /* cannot block for memory; may fail */ 375 #define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */ 376 #define TQ_FRONT 0x08 /* Queue in front */ 377 378 379 extern taskq_t *system_taskq; 380 381 extern taskq_t *taskq_create(const char *, int, pri_t, int, int, uint_t); 382 #define taskq_create_proc(a, b, c, d, e, p, f) \ 383 (taskq_create(a, b, c, d, e, f)) 384 #define taskq_create_sysdc(a, b, d, e, p, dc, f) \ 385 (taskq_create(a, b, maxclsyspri, d, e, f)) 386 extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t); 387 extern void taskq_dispatch_ent(taskq_t *, task_func_t, void *, uint_t, 388 taskq_ent_t *); 389 extern void taskq_destroy(taskq_t *); 390 extern void taskq_wait(taskq_t *); 391 extern int taskq_member(taskq_t *, void *); 392 extern void system_taskq_init(void); 393 extern void system_taskq_fini(void); 394 395 #define XVA_MAPSIZE 3 396 #define XVA_MAGIC 0x78766174 397 398 /* 399 * vnodes 400 */ 401 typedef struct vnode { 402 uint64_t v_size; 403 int v_fd; 404 char *v_path; 405 } vnode_t; 406 407 #define AV_SCANSTAMP_SZ 32 /* length of anti-virus scanstamp */ 408 409 typedef struct xoptattr { 410 timestruc_t xoa_createtime; /* Create time of file */ 411 uint8_t xoa_archive; 412 uint8_t xoa_system; 413 uint8_t xoa_readonly; 414 uint8_t xoa_hidden; 415 uint8_t xoa_nounlink; 416 uint8_t xoa_immutable; 417 uint8_t xoa_appendonly; 418 uint8_t xoa_nodump; 419 uint8_t xoa_settable; 420 uint8_t xoa_opaque; 421 uint8_t xoa_av_quarantined; 422 uint8_t xoa_av_modified; 423 uint8_t xoa_av_scanstamp[AV_SCANSTAMP_SZ]; 424 uint8_t xoa_reparse; 425 uint8_t xoa_offline; 426 uint8_t xoa_sparse; 427 } xoptattr_t; 428 429 typedef struct vattr { 430 uint_t va_mask; /* bit-mask of attributes */ 431 u_offset_t va_size; /* file size in bytes */ 432 } vattr_t; 433 434 435 typedef struct xvattr { 436 vattr_t xva_vattr; /* Embedded vattr structure */ 437 uint32_t xva_magic; /* Magic Number */ 438 uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */ 439 uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */ 440 uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */ 441 uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */ 442 xoptattr_t xva_xoptattrs; /* Optional attributes */ 443 } xvattr_t; 444 445 typedef struct vsecattr { 446 uint_t vsa_mask; /* See below */ 447 int vsa_aclcnt; /* ACL entry count */ 448 void *vsa_aclentp; /* pointer to ACL entries */ 449 int vsa_dfaclcnt; /* default ACL entry count */ 450 void *vsa_dfaclentp; /* pointer to default ACL entries */ 451 size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */ 452 } vsecattr_t; 453 454 #define AT_TYPE 0x00001 455 #define AT_MODE 0x00002 456 #define AT_UID 0x00004 457 #define AT_GID 0x00008 458 #define AT_FSID 0x00010 459 #define AT_NODEID 0x00020 460 #define AT_NLINK 0x00040 461 #define AT_SIZE 0x00080 462 #define AT_ATIME 0x00100 463 #define AT_MTIME 0x00200 464 #define AT_CTIME 0x00400 465 #define AT_RDEV 0x00800 466 #define AT_BLKSIZE 0x01000 467 #define AT_NBLOCKS 0x02000 468 #define AT_SEQ 0x08000 469 #define AT_XVATTR 0x10000 470 471 #define CRCREAT 0 472 473 extern int fop_getattr(vnode_t *vp, vattr_t *vap); 474 475 #define VOP_CLOSE(vp, f, c, o, cr, ct) 0 476 #define VOP_PUTPAGE(vp, of, sz, fl, cr, ct) 0 477 #define VOP_GETATTR(vp, vap, fl, cr, ct) fop_getattr((vp), (vap)); 478 479 #define VOP_FSYNC(vp, f, cr, ct) fsync((vp)->v_fd) 480 481 #define VN_RELE(vp) vn_close(vp) 482 483 extern int vn_open(char *path, int x1, int oflags, int mode, vnode_t **vpp, 484 int x2, int x3); 485 extern int vn_openat(char *path, int x1, int oflags, int mode, vnode_t **vpp, 486 int x2, int x3, vnode_t *vp, int fd); 487 extern int vn_rdwr(int uio, vnode_t *vp, void *addr, ssize_t len, 488 offset_t offset, int x1, int x2, rlim64_t x3, void *x4, ssize_t *residp); 489 extern void vn_close(vnode_t *vp); 490 491 #define vn_remove(path, x1, x2) remove(path) 492 #define vn_rename(from, to, seg) rename((from), (to)) 493 #define vn_is_readonly(vp) B_FALSE 494 495 extern vnode_t *rootdir; 496 497 #include <sys/file.h> /* for FREAD, FWRITE, etc */ 498 499 /* 500 * Random stuff 501 */ 502 #define ddi_get_lbolt() (gethrtime() >> 23) 503 #define ddi_get_lbolt64() (gethrtime() >> 23) 504 #define hz 119 /* frequency when using gethrtime() >> 23 for lbolt */ 505 506 extern void delay(clock_t ticks); 507 508 #define gethrestime_sec() time(NULL) 509 #define gethrestime(t) \ 510 do {\ 511 (t)->tv_sec = gethrestime_sec();\ 512 (t)->tv_nsec = 0;\ 513 } while (0); 514 515 #define max_ncpus 64 516 517 #define minclsyspri 60 518 #define maxclsyspri 99 519 520 #define CPU_SEQID (thr_self() & (max_ncpus - 1)) 521 522 #define kcred NULL 523 #define CRED() NULL 524 525 #define ptob(x) ((x) * PAGESIZE) 526 527 extern uint64_t physmem; 528 529 extern int highbit(ulong_t i); 530 extern int random_get_bytes(uint8_t *ptr, size_t len); 531 extern int random_get_pseudo_bytes(uint8_t *ptr, size_t len); 532 533 extern void kernel_init(int); 534 extern void kernel_fini(void); 535 536 struct spa; 537 extern void nicenum(uint64_t num, char *buf); 538 extern void show_pool_stats(struct spa *); 539 540 typedef struct callb_cpr { 541 kmutex_t *cc_lockp; 542 } callb_cpr_t; 543 544 #define CALLB_CPR_INIT(cp, lockp, func, name) { \ 545 (cp)->cc_lockp = lockp; \ 546 } 547 548 #define CALLB_CPR_SAFE_BEGIN(cp) { \ 549 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \ 550 } 551 552 #define CALLB_CPR_SAFE_END(cp, lockp) { \ 553 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \ 554 } 555 556 #define CALLB_CPR_EXIT(cp) { \ 557 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \ 558 mutex_exit((cp)->cc_lockp); \ 559 } 560 561 #define zone_dataset_visible(x, y) (1) 562 #define INGLOBALZONE(z) (1) 563 564 extern char *kmem_asprintf(const char *fmt, ...); 565 #define strfree(str) kmem_free((str), strlen(str)+1) 566 567 /* 568 * Hostname information 569 */ 570 extern char hw_serial[]; /* for userland-emulated hostid access */ 571 extern int ddi_strtoul(const char *str, char **nptr, int base, 572 unsigned long *result); 573 574 extern int ddi_strtoull(const char *str, char **nptr, int base, 575 u_longlong_t *result); 576 577 /* ZFS Boot Related stuff. */ 578 579 struct _buf { 580 intptr_t _fd; 581 }; 582 583 struct bootstat { 584 uint64_t st_size; 585 }; 586 587 typedef struct ace_object { 588 uid_t a_who; 589 uint32_t a_access_mask; 590 uint16_t a_flags; 591 uint16_t a_type; 592 uint8_t a_obj_type[16]; 593 uint8_t a_inherit_obj_type[16]; 594 } ace_object_t; 595 596 597 #define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05 598 #define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE 0x06 599 #define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07 600 #define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08 601 602 extern struct _buf *kobj_open_file(char *name); 603 extern int kobj_read_file(struct _buf *file, char *buf, unsigned size, 604 unsigned off); 605 extern void kobj_close_file(struct _buf *file); 606 extern int kobj_get_filesize(struct _buf *file, uint64_t *size); 607 extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr); 608 extern int zfs_secpolicy_rename_perms(const char *from, const char *to, 609 cred_t *cr); 610 extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr); 611 extern zoneid_t getzoneid(void); 612 613 /* SID stuff */ 614 typedef struct ksiddomain { 615 uint_t kd_ref; 616 uint_t kd_len; 617 char *kd_name; 618 } ksiddomain_t; 619 620 ksiddomain_t *ksid_lookupdomain(const char *); 621 void ksiddomain_rele(ksiddomain_t *); 622 623 #define DDI_SLEEP KM_SLEEP 624 #define ddi_log_sysevent(_a, _b, _c, _d, _e, _f, _g) \ 625 sysevent_post_event(_c, _d, _b, "libzpool", _e, _f) 626 627 #ifdef __cplusplus 628 } 629 #endif 630 631 #endif /* _SYS_ZFS_CONTEXT_H */ 632