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.
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.
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]
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, 2016 by Delphix. All rights reserved.
25 * Copyright (c) 2012, Joyent, Inc. All rights reserved.
28 #ifndef _SYS_ZFS_CONTEXT_H
29 #define _SYS_ZFS_CONTEXT_H
34 #include <sys/types.h>
35 #include <sys/atomic.h>
36 #include <sys/sysmacros.h>
37 #include <sys/vmsystm.h>
38 #include <sys/condvar.h>
39 #include <sys/cmn_err.h>
41 #include <sys/kmem_cache.h>
43 #include <sys/taskq.h>
44 #include <sys/param.h>
47 #include <sys/debug.h>
48 #include <sys/random.h>
49 #include <sys/strings.h>
50 #include <sys/byteorder.h>
52 #include <sys/uio_impl.h>
56 #include <sys/kstat.h>
57 #include <sys/zfs_debug.h>
58 #include <sys/sysevent.h>
59 #include <sys/sysevent/eventdefs.h>
60 #include <sys/zfs_delay.h>
61 #include <sys/sunddi.h>
62 #include <sys/ctype.h>
64 #include <sys/trace.h>
65 #include <sys/procfs_list.h>
66 #include <linux/dcache_compat.h>
67 #include <linux/utsname_compat.h>
73 #define _SYS_CONDVAR_H
100 #include <sys/note.h>
101 #include <sys/types.h>
102 #include <sys/cred.h>
103 #include <sys/sysmacros.h>
104 #include <sys/bitmap.h>
105 #include <sys/resource.h>
106 #include <sys/byteorder.h>
107 #include <sys/list.h>
109 #include <sys/zfs_debug.h>
111 #include <sys/kstat.h>
112 #include <sys/u8_textprep.h>
113 #include <sys/sysevent.h>
114 #include <sys/sysevent/eventdefs.h>
115 #include <sys/sunddi.h>
116 #include <sys/debug.h>
117 #include <sys/utsname.h>
123 #define noinline __attribute__((noinline))
124 #define likely(x) __builtin_expect((x), 1)
131 * Note that we are not using the debugging levels.
134 #define CE_CONT 0 /* continuation */
135 #define CE_NOTE 1 /* notice */
136 #define CE_WARN 2 /* warning */
137 #define CE_PANIC 3 /* panic */
138 #define CE_IGNORE 4 /* print nothing */
144 extern void dprintf_setup(int *argc, char **argv);
146 extern void cmn_err(int, const char *, ...);
147 extern void vcmn_err(int, const char *, va_list);
148 extern void panic(const char *, ...) __NORETURN;
149 extern void vpanic(const char *, va_list) __NORETURN;
151 #define fm_panic panic
156 * DTrace SDT probes have different signatures in userland than they do in
157 * the kernel. If they're being used in kernel code, re-define them out of
158 * existence for their counterparts in libzpool.
160 * Here's an example of how to use the set-error probes in userland:
161 * zfs$target:::set-error /arg0 == EBUSY/ {stack();}
163 * Here's an example of how to use DTRACE_PROBE probes in userland:
164 * If there is a probe declared as follows:
165 * DTRACE_PROBE2(zfs__probe_name, uint64_t, blkid, dnode_t *, dn);
166 * Then you can use it as follows:
167 * zfs$target:::probe2 /copyinstr(arg0) == "zfs__probe_name"/
168 * {printf("%u %p\n", arg1, arg2);}
173 #endif /* DTRACE_PROBE */
174 #define DTRACE_PROBE(a) \
179 #endif /* DTRACE_PROBE1 */
180 #define DTRACE_PROBE1(a, b, c) \
181 ZFS_PROBE1(#a, (unsigned long)c)
185 #endif /* DTRACE_PROBE2 */
186 #define DTRACE_PROBE2(a, b, c, d, e) \
187 ZFS_PROBE2(#a, (unsigned long)c, (unsigned long)e)
191 #endif /* DTRACE_PROBE3 */
192 #define DTRACE_PROBE3(a, b, c, d, e, f, g) \
193 ZFS_PROBE3(#a, (unsigned long)c, (unsigned long)e, (unsigned long)g)
197 #endif /* DTRACE_PROBE4 */
198 #define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) \
199 ZFS_PROBE4(#a, (unsigned long)c, (unsigned long)e, (unsigned long)g, \
205 typedef pthread_t kthread_t;
207 #define TS_RUN 0x00000002
208 #define TS_JOINABLE 0x00000004
210 #define curthread ((void *)(uintptr_t)pthread_self())
211 #define kpreempt(x) yield()
212 #define getcomm() "unknown"
214 #define thread_create(stk, stksize, func, arg, len, pp, state, pri) \
215 zk_thread_create(func, arg, stksize, state)
216 #define thread_exit() pthread_exit(NULL)
217 #define thread_join(t) pthread_join((pthread_t)(t), NULL)
219 #define newproc(f, a, cid, pri, ctp, pid) (ENOSYS)
221 /* in libzpool, p0 exists only to have its address taken */
222 typedef struct proc {
223 uintptr_t this_is_never_used_dont_dereference_it;
226 extern struct proc p0;
227 #define curproc (&p0)
231 extern kthread_t *zk_thread_create(void (*func)(void *), void *arg,
232 size_t stksize, int state);
234 #define issig(why) (FALSE)
235 #define ISSIG(thr, why) (FALSE)
237 #define kpreempt_disable() ((void)0)
238 #define kpreempt_enable() ((void)0)
239 #define cond_resched() sched_yield()
244 typedef struct kmutex {
245 pthread_mutex_t m_lock;
249 #define MUTEX_DEFAULT 0
250 #define MUTEX_NOLOCKDEP MUTEX_DEFAULT
251 #define MUTEX_HELD(mp) pthread_equal((mp)->m_owner, pthread_self())
252 #define MUTEX_NOT_HELD(mp) !MUTEX_HELD(mp)
254 extern void mutex_init(kmutex_t *mp, char *name, int type, void *cookie);
255 extern void mutex_destroy(kmutex_t *mp);
256 extern void mutex_enter(kmutex_t *mp);
257 extern void mutex_exit(kmutex_t *mp);
258 extern int mutex_tryenter(kmutex_t *mp);
263 typedef struct krwlock {
264 pthread_rwlock_t rw_lock;
273 #define RW_DEFAULT RW_READER
274 #define RW_NOLOCKDEP RW_READER
276 #define RW_READ_HELD(rw) ((rw)->rw_readers > 0)
277 #define RW_WRITE_HELD(rw) pthread_equal((rw)->rw_owner, pthread_self())
278 #define RW_LOCK_HELD(rw) (RW_READ_HELD(rw) || RW_WRITE_HELD(rw))
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)
291 extern uid_t crgetuid(cred_t *cr);
292 extern uid_t crgetruid(cred_t *cr);
293 extern gid_t crgetgid(cred_t *cr);
294 extern int crgetngroups(cred_t *cr);
295 extern gid_t *crgetgroups(cred_t *cr);
298 * Condition variables
300 typedef pthread_cond_t kcondvar_t;
303 #define CALLOUT_FLAG_ABSOLUTE 0x2
305 extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg);
306 extern void cv_destroy(kcondvar_t *cv);
307 extern void cv_wait(kcondvar_t *cv, kmutex_t *mp);
308 extern clock_t cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime);
309 extern clock_t cv_timedwait_hires(kcondvar_t *cvp, kmutex_t *mp, hrtime_t tim,
310 hrtime_t res, int flag);
311 extern void cv_signal(kcondvar_t *cv);
312 extern void cv_broadcast(kcondvar_t *cv);
314 #define cv_timedwait_io(cv, mp, at) cv_timedwait(cv, mp, at)
315 #define cv_timedwait_sig(cv, mp, at) cv_timedwait(cv, mp, at)
316 #define cv_wait_sig(cv, mp) cv_wait(cv, mp)
317 #define cv_wait_io(cv, mp) cv_wait(cv, mp)
318 #define cv_timedwait_sig_hires(cv, mp, t, r, f) \
319 cv_timedwait_hires(cv, mp, t, r, f)
322 * Thread-specific data
324 #define tsd_get(k) pthread_getspecific(k)
325 #define tsd_set(k, v) pthread_setspecific(k, v)
326 #define tsd_create(kp, d) pthread_key_create(kp, d)
327 #define tsd_destroy(kp) /* nothing */
330 * Thread-specific data
332 #define tsd_get(k) pthread_getspecific(k)
333 #define tsd_set(k, v) pthread_setspecific(k, v)
334 #define tsd_create(kp, d) pthread_key_create(kp, d)
335 #define tsd_destroy(kp) /* nothing */
338 * kstat creation, installation and deletion
340 extern kstat_t *kstat_create(const char *, int,
341 const char *, const char *, uchar_t, ulong_t, uchar_t);
342 extern void kstat_named_init(kstat_named_t *, const char *, uchar_t);
343 extern void kstat_install(kstat_t *);
344 extern void kstat_delete(kstat_t *);
345 extern void kstat_waitq_enter(kstat_io_t *);
346 extern void kstat_waitq_exit(kstat_io_t *);
347 extern void kstat_runq_enter(kstat_io_t *);
348 extern void kstat_runq_exit(kstat_io_t *);
349 extern void kstat_waitq_to_runq(kstat_io_t *);
350 extern void kstat_runq_back_to_waitq(kstat_io_t *);
351 extern void kstat_set_raw_ops(kstat_t *ksp,
352 int (*headers)(char *buf, size_t size),
353 int (*data)(char *buf, size_t size, void *data),
354 void *(*addr)(kstat_t *ksp, loff_t index));
357 * procfs list manipulation
361 void seq_printf(struct seq_file *m, const char *fmt, ...);
363 typedef struct procfs_list {
368 size_t pl_node_offset;
371 typedef struct procfs_list_node {
372 list_node_t pln_link;
374 } procfs_list_node_t;
376 void procfs_list_install(const char *module,
379 procfs_list_t *procfs_list,
380 int (*show)(struct seq_file *f, void *p),
381 int (*show_header)(struct seq_file *f),
382 int (*clear)(procfs_list_t *procfs_list),
383 size_t procfs_list_node_off);
384 void procfs_list_uninstall(procfs_list_t *procfs_list);
385 void procfs_list_destroy(procfs_list_t *procfs_list);
386 void procfs_list_add(procfs_list_t *procfs_list, void *p);
391 #define KM_SLEEP UMEM_NOFAIL
392 #define KM_PUSHPAGE KM_SLEEP
393 #define KM_NOSLEEP UMEM_DEFAULT
394 #define KM_NORMALPRI 0 /* not needed with UMEM_DEFAULT */
395 #define KMC_NODEBUG UMC_NODEBUG
398 #define kmem_alloc(_s, _f) umem_alloc(_s, _f)
399 #define kmem_zalloc(_s, _f) umem_zalloc(_s, _f)
400 #define kmem_free(_b, _s) umem_free(_b, _s)
401 #define vmem_alloc(_s, _f) kmem_alloc(_s, _f)
402 #define vmem_zalloc(_s, _f) kmem_zalloc(_s, _f)
403 #define vmem_free(_b, _s) kmem_free(_b, _s)
404 #define kmem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) \
405 umem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i)
406 #define kmem_cache_destroy(_c) umem_cache_destroy(_c)
407 #define kmem_cache_alloc(_c, _f) umem_cache_alloc(_c, _f)
408 #define kmem_cache_free(_c, _b) umem_cache_free(_c, _b)
409 #define kmem_debugging() 0
410 #define kmem_cache_reap_now(_c) umem_cache_reap_now(_c);
411 #define kmem_cache_set_move(_c, _cb) /* nothing */
412 #define vmem_qcache_reap(_v) /* nothing */
413 #define POINTER_INVALIDATE(_pp) /* nothing */
414 #define POINTER_IS_VALID(_p) 0
416 extern vmem_t *zio_arena;
418 typedef umem_cache_t kmem_cache_t;
420 typedef enum kmem_cbrc {
432 #define TASKQ_NAMELEN 31
434 typedef uintptr_t taskqid_t;
435 typedef void (task_func_t)(void *);
437 typedef struct taskq_ent {
438 struct taskq_ent *tqent_next;
439 struct taskq_ent *tqent_prev;
440 task_func_t *tqent_func;
442 uintptr_t tqent_flags;
445 typedef struct taskq {
446 char tq_name[TASKQ_NAMELEN + 1];
448 krwlock_t tq_threadlock;
449 kcondvar_t tq_dispatch_cv;
450 kcondvar_t tq_wait_cv;
451 kthread_t **tq_threadlist;
458 kcondvar_t tq_maxalloc_cv;
459 int tq_maxalloc_wait;
460 taskq_ent_t *tq_freelist;
464 #define TQENT_FLAG_PREALLOC 0x1 /* taskq_dispatch_ent used */
466 #define TASKQ_PREPOPULATE 0x0001
467 #define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */
468 #define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */
469 #define TASKQ_THREADS_CPU_PCT 0x0008 /* Scale # threads by # cpus */
470 #define TASKQ_DC_BATCH 0x0010 /* Mark threads as batch */
472 #define TQ_SLEEP KM_SLEEP /* Can block for memory */
473 #define TQ_NOSLEEP KM_NOSLEEP /* cannot block for memory; may fail */
474 #define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */
475 #define TQ_FRONT 0x08 /* Queue in front */
477 #define TASKQID_INVALID ((taskqid_t)0)
479 extern taskq_t *system_taskq;
480 extern taskq_t *system_delay_taskq;
482 extern taskq_t *taskq_create(const char *, int, pri_t, int, int, uint_t);
483 #define taskq_create_proc(a, b, c, d, e, p, f) \
484 (taskq_create(a, b, c, d, e, f))
485 #define taskq_create_sysdc(a, b, d, e, p, dc, f) \
486 (taskq_create(a, b, maxclsyspri, d, e, f))
487 extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t);
488 extern taskqid_t taskq_dispatch_delay(taskq_t *, task_func_t, void *, uint_t,
490 extern void taskq_dispatch_ent(taskq_t *, task_func_t, void *, uint_t,
492 extern int taskq_empty_ent(taskq_ent_t *);
493 extern void taskq_init_ent(taskq_ent_t *);
494 extern void taskq_destroy(taskq_t *);
495 extern void taskq_wait(taskq_t *);
496 extern void taskq_wait_id(taskq_t *, taskqid_t);
497 extern void taskq_wait_outstanding(taskq_t *, taskqid_t);
498 extern int taskq_member(taskq_t *, kthread_t *);
499 extern int taskq_cancel_id(taskq_t *, taskqid_t);
500 extern void system_taskq_init(void);
501 extern void system_taskq_fini(void);
503 #define XVA_MAPSIZE 3
504 #define XVA_MAGIC 0x78766174
509 typedef struct vnode {
516 extern char *vn_dumpdir;
517 #define AV_SCANSTAMP_SZ 32 /* length of anti-virus scanstamp */
519 typedef struct xoptattr {
520 inode_timespec_t xoa_createtime; /* Create time of file */
523 uint8_t xoa_readonly;
525 uint8_t xoa_nounlink;
526 uint8_t xoa_immutable;
527 uint8_t xoa_appendonly;
529 uint8_t xoa_settable;
531 uint8_t xoa_av_quarantined;
532 uint8_t xoa_av_modified;
533 uint8_t xoa_av_scanstamp[AV_SCANSTAMP_SZ];
539 typedef struct vattr {
540 uint_t va_mask; /* bit-mask of attributes */
541 u_offset_t va_size; /* file size in bytes */
545 typedef struct xvattr {
546 vattr_t xva_vattr; /* Embedded vattr structure */
547 uint32_t xva_magic; /* Magic Number */
548 uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */
549 uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */
550 uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */
551 uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */
552 xoptattr_t xva_xoptattrs; /* Optional attributes */
555 typedef struct vsecattr {
556 uint_t vsa_mask; /* See below */
557 int vsa_aclcnt; /* ACL entry count */
558 void *vsa_aclentp; /* pointer to ACL entries */
559 int vsa_dfaclcnt; /* default ACL entry count */
560 void *vsa_dfaclentp; /* pointer to default ACL entries */
561 size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */
564 #define AT_TYPE 0x00001
565 #define AT_MODE 0x00002
566 #define AT_UID 0x00004
567 #define AT_GID 0x00008
568 #define AT_FSID 0x00010
569 #define AT_NODEID 0x00020
570 #define AT_NLINK 0x00040
571 #define AT_SIZE 0x00080
572 #define AT_ATIME 0x00100
573 #define AT_MTIME 0x00200
574 #define AT_CTIME 0x00400
575 #define AT_RDEV 0x00800
576 #define AT_BLKSIZE 0x01000
577 #define AT_NBLOCKS 0x02000
578 #define AT_SEQ 0x08000
579 #define AT_XVATTR 0x10000
585 extern int fop_getattr(vnode_t *vp, vattr_t *vap);
587 #define VOP_CLOSE(vp, f, c, o, cr, ct) vn_close(vp)
588 #define VOP_PUTPAGE(vp, of, sz, fl, cr, ct) 0
589 #define VOP_GETATTR(vp, vap, fl, cr, ct) fop_getattr((vp), (vap));
591 #define VOP_FSYNC(vp, f, cr, ct) fsync((vp)->v_fd)
593 #if defined(HAVE_FILE_FALLOCATE) && \
594 defined(FALLOC_FL_PUNCH_HOLE) && \
595 defined(FALLOC_FL_KEEP_SIZE)
596 #define VOP_SPACE(vp, cmd, flck, fl, off, cr, ct) \
597 fallocate((vp)->v_fd, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, \
598 (flck)->l_start, (flck)->l_len)
600 #define VOP_SPACE(vp, cmd, flck, fl, off, cr, ct) (0)
603 #define VN_RELE(vp) vn_close(vp)
605 extern int vn_open(char *path, int x1, int oflags, int mode, vnode_t **vpp,
607 extern int vn_openat(char *path, int x1, int oflags, int mode, vnode_t **vpp,
608 int x2, int x3, vnode_t *vp, int fd);
609 extern int vn_rdwr(int uio, vnode_t *vp, void *addr, ssize_t len,
610 offset_t offset, int x1, int x2, rlim64_t x3, void *x4, ssize_t *residp);
611 extern void vn_close(vnode_t *vp);
613 #define vn_remove(path, x1, x2) remove(path)
614 #define vn_rename(from, to, seg) rename((from), (to))
615 #define vn_is_readonly(vp) B_FALSE
617 extern vnode_t *rootdir;
619 #include <sys/file.h> /* for FREAD, FWRITE, etc */
624 #define ddi_get_lbolt() (gethrtime() >> 23)
625 #define ddi_get_lbolt64() (gethrtime() >> 23)
626 #define hz 119 /* frequency when using gethrtime() >> 23 for lbolt */
628 #define ddi_time_before(a, b) (a < b)
629 #define ddi_time_after(a, b) ddi_time_before(b, a)
630 #define ddi_time_before_eq(a, b) (!ddi_time_after(a, b))
631 #define ddi_time_after_eq(a, b) ddi_time_before_eq(b, a)
633 #define ddi_time_before64(a, b) (a < b)
634 #define ddi_time_after64(a, b) ddi_time_before64(b, a)
635 #define ddi_time_before_eq64(a, b) (!ddi_time_after64(a, b))
636 #define ddi_time_after_eq64(a, b) ddi_time_before_eq64(b, a)
638 extern void delay(clock_t ticks);
640 #define SEC_TO_TICK(sec) ((sec) * hz)
641 #define MSEC_TO_TICK(msec) ((msec) / (MILLISEC / hz))
642 #define USEC_TO_TICK(usec) ((usec) / (MICROSEC / hz))
643 #define NSEC_TO_TICK(usec) ((usec) / (NANOSEC / hz))
646 #define boot_ncpus (sysconf(_SC_NPROCESSORS_ONLN))
649 * Process priorities as defined by setpriority(2) and getpriority(2).
651 #define minclsyspri 19
652 #define maxclsyspri -20
653 #define defclsyspri 0
655 #define CPU_SEQID ((uintptr_t)pthread_self() & (max_ncpus - 1))
660 #define ptob(x) ((x) * PAGESIZE)
662 #define NN_DIVISOR_1000 (1U << 0)
663 #define NN_NUMBUF_SZ (6)
665 extern uint64_t physmem;
666 extern char *random_path;
667 extern char *urandom_path;
669 extern int highbit64(uint64_t i);
670 extern int lowbit64(uint64_t i);
671 extern int random_get_bytes(uint8_t *ptr, size_t len);
672 extern int random_get_pseudo_bytes(uint8_t *ptr, size_t len);
674 extern void kernel_init(int);
675 extern void kernel_fini(void);
676 extern void random_init(void);
677 extern void random_fini(void);
680 extern void show_pool_stats(struct spa *);
681 extern int set_global_var(char *arg);
683 typedef struct callb_cpr {
687 #define CALLB_CPR_INIT(cp, lockp, func, name) { \
688 (cp)->cc_lockp = lockp; \
691 #define CALLB_CPR_SAFE_BEGIN(cp) { \
692 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
695 #define CALLB_CPR_SAFE_END(cp, lockp) { \
696 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
699 #define CALLB_CPR_EXIT(cp) { \
700 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
701 mutex_exit((cp)->cc_lockp); \
704 #define zone_dataset_visible(x, y) (1)
705 #define INGLOBALZONE(z) (1)
706 extern uint32_t zone_get_hostid(void *zonep);
708 extern char *kmem_vasprintf(const char *fmt, va_list adx);
709 extern char *kmem_asprintf(const char *fmt, ...);
710 #define strfree(str) kmem_free((str), strlen(str) + 1)
713 * Hostname information
715 extern char hw_serial[]; /* for userland-emulated hostid access */
716 extern int ddi_strtoul(const char *str, char **nptr, int base,
717 unsigned long *result);
719 extern int ddi_strtoull(const char *str, char **nptr, int base,
720 u_longlong_t *result);
722 typedef struct utsname utsname_t;
723 extern utsname_t *utsname(void);
725 /* ZFS Boot Related stuff. */
735 typedef struct ace_object {
737 uint32_t a_access_mask;
740 uint8_t a_obj_type[16];
741 uint8_t a_inherit_obj_type[16];
745 #define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05
746 #define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE 0x06
747 #define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07
748 #define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08
750 extern struct _buf *kobj_open_file(char *name);
751 extern int kobj_read_file(struct _buf *file, char *buf, unsigned size,
753 extern void kobj_close_file(struct _buf *file);
754 extern int kobj_get_filesize(struct _buf *file, uint64_t *size);
755 extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr);
756 extern int zfs_secpolicy_rename_perms(const char *from, const char *to,
758 extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr);
759 extern int secpolicy_zfs(const cred_t *cr);
760 extern zoneid_t getzoneid(void);
763 typedef struct ksiddomain {
769 ksiddomain_t *ksid_lookupdomain(const char *);
770 void ksiddomain_rele(ksiddomain_t *);
772 #define DDI_SLEEP KM_SLEEP
773 #define ddi_log_sysevent(_a, _b, _c, _d, _e, _f, _g) \
774 sysevent_post_event(_c, _d, _b, "libzpool", _e, _f)
776 #define zfs_sleep_until(wakeup) \
778 hrtime_t delta = wakeup - gethrtime(); \
779 struct timespec ts; \
780 ts.tv_sec = delta / NANOSEC; \
781 ts.tv_nsec = delta % NANOSEC; \
782 (void) nanosleep(&ts, NULL); \
785 typedef int fstrans_cookie_t;
787 extern fstrans_cookie_t spl_fstrans_mark(void);
788 extern void spl_fstrans_unmark(fstrans_cookie_t);
789 extern int __spl_pf_fstrans_check(void);
790 extern int kmem_cache_reap_active(void);
792 #define ____cacheline_aligned
795 #endif /* _SYS_ZFS_CONTEXT_H */