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)
243 typedef struct kmutex
{
244 pthread_mutex_t m_lock
;
248 #define MUTEX_DEFAULT 0
249 #define MUTEX_NOLOCKDEP MUTEX_DEFAULT
250 #define MUTEX_HELD(mp) pthread_equal((mp)->m_owner, pthread_self())
251 #define MUTEX_NOT_HELD(mp) !MUTEX_HELD(mp)
253 extern void mutex_init(kmutex_t
*mp
, char *name
, int type
, void *cookie
);
254 extern void mutex_destroy(kmutex_t
*mp
);
255 extern void mutex_enter(kmutex_t
*mp
);
256 extern void mutex_exit(kmutex_t
*mp
);
257 extern int mutex_tryenter(kmutex_t
*mp
);
262 typedef struct krwlock
{
263 pthread_rwlock_t rw_lock
;
272 #define RW_DEFAULT RW_READER
273 #define RW_NOLOCKDEP RW_READER
275 #define RW_READ_HELD(rw) ((rw)->rw_readers > 0)
276 #define RW_WRITE_HELD(rw) pthread_equal((rw)->rw_owner, pthread_self())
277 #define RW_LOCK_HELD(rw) (RW_READ_HELD(rw) || RW_WRITE_HELD(rw))
279 extern void rw_init(krwlock_t
*rwlp
, char *name
, int type
, void *arg
);
280 extern void rw_destroy(krwlock_t
*rwlp
);
281 extern void rw_enter(krwlock_t
*rwlp
, krw_t rw
);
282 extern int rw_tryenter(krwlock_t
*rwlp
, krw_t rw
);
283 extern int rw_tryupgrade(krwlock_t
*rwlp
);
284 extern void rw_exit(krwlock_t
*rwlp
);
285 #define rw_downgrade(rwlp) do { } while (0)
290 extern uid_t
crgetuid(cred_t
*cr
);
291 extern uid_t
crgetruid(cred_t
*cr
);
292 extern gid_t
crgetgid(cred_t
*cr
);
293 extern int crgetngroups(cred_t
*cr
);
294 extern gid_t
*crgetgroups(cred_t
*cr
);
297 * Condition variables
299 typedef pthread_cond_t kcondvar_t
;
302 #define CALLOUT_FLAG_ABSOLUTE 0x2
304 extern void cv_init(kcondvar_t
*cv
, char *name
, int type
, void *arg
);
305 extern void cv_destroy(kcondvar_t
*cv
);
306 extern void cv_wait(kcondvar_t
*cv
, kmutex_t
*mp
);
307 extern clock_t cv_timedwait(kcondvar_t
*cv
, kmutex_t
*mp
, clock_t abstime
);
308 extern clock_t cv_timedwait_hires(kcondvar_t
*cvp
, kmutex_t
*mp
, hrtime_t tim
,
309 hrtime_t res
, int flag
);
310 extern void cv_signal(kcondvar_t
*cv
);
311 extern void cv_broadcast(kcondvar_t
*cv
);
313 #define cv_timedwait_io(cv, mp, at) cv_timedwait(cv, mp, at)
314 #define cv_timedwait_sig(cv, mp, at) cv_timedwait(cv, mp, at)
315 #define cv_wait_sig(cv, mp) cv_wait(cv, mp)
316 #define cv_wait_io(cv, mp) cv_wait(cv, mp)
317 #define cv_timedwait_sig_hires(cv, mp, t, r, f) \
318 cv_timedwait_hires(cv, mp, t, r, f)
321 * Thread-specific data
323 #define tsd_get(k) pthread_getspecific(k)
324 #define tsd_set(k, v) pthread_setspecific(k, v)
325 #define tsd_create(kp, d) pthread_key_create(kp, d)
326 #define tsd_destroy(kp) /* nothing */
329 * Thread-specific data
331 #define tsd_get(k) pthread_getspecific(k)
332 #define tsd_set(k, v) pthread_setspecific(k, v)
333 #define tsd_create(kp, d) pthread_key_create(kp, d)
334 #define tsd_destroy(kp) /* nothing */
337 * kstat creation, installation and deletion
339 extern kstat_t
*kstat_create(const char *, int,
340 const char *, const char *, uchar_t
, ulong_t
, uchar_t
);
341 extern void kstat_named_init(kstat_named_t
*, const char *, uchar_t
);
342 extern void kstat_install(kstat_t
*);
343 extern void kstat_delete(kstat_t
*);
344 extern void kstat_waitq_enter(kstat_io_t
*);
345 extern void kstat_waitq_exit(kstat_io_t
*);
346 extern void kstat_runq_enter(kstat_io_t
*);
347 extern void kstat_runq_exit(kstat_io_t
*);
348 extern void kstat_waitq_to_runq(kstat_io_t
*);
349 extern void kstat_runq_back_to_waitq(kstat_io_t
*);
350 extern void kstat_set_raw_ops(kstat_t
*ksp
,
351 int (*headers
)(char *buf
, size_t size
),
352 int (*data
)(char *buf
, size_t size
, void *data
),
353 void *(*addr
)(kstat_t
*ksp
, loff_t index
));
356 * procfs list manipulation
360 void seq_printf(struct seq_file
*m
, const char *fmt
, ...);
362 typedef struct procfs_list
{
367 size_t pl_node_offset
;
370 typedef struct procfs_list_node
{
371 list_node_t pln_link
;
373 } procfs_list_node_t
;
375 void procfs_list_install(const char *module
,
377 procfs_list_t
*procfs_list
,
378 int (*show
)(struct seq_file
*f
, void *p
),
379 int (*show_header
)(struct seq_file
*f
),
380 int (*clear
)(procfs_list_t
*procfs_list
),
381 size_t procfs_list_node_off
);
382 void procfs_list_uninstall(procfs_list_t
*procfs_list
);
383 void procfs_list_destroy(procfs_list_t
*procfs_list
);
384 void procfs_list_add(procfs_list_t
*procfs_list
, void *p
);
389 #define KM_SLEEP UMEM_NOFAIL
390 #define KM_PUSHPAGE KM_SLEEP
391 #define KM_NOSLEEP UMEM_DEFAULT
392 #define KM_NORMALPRI 0 /* not needed with UMEM_DEFAULT */
393 #define KMC_NODEBUG UMC_NODEBUG
396 #define kmem_alloc(_s, _f) umem_alloc(_s, _f)
397 #define kmem_zalloc(_s, _f) umem_zalloc(_s, _f)
398 #define kmem_free(_b, _s) umem_free(_b, _s)
399 #define vmem_alloc(_s, _f) kmem_alloc(_s, _f)
400 #define vmem_zalloc(_s, _f) kmem_zalloc(_s, _f)
401 #define vmem_free(_b, _s) kmem_free(_b, _s)
402 #define kmem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) \
403 umem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i)
404 #define kmem_cache_destroy(_c) umem_cache_destroy(_c)
405 #define kmem_cache_alloc(_c, _f) umem_cache_alloc(_c, _f)
406 #define kmem_cache_free(_c, _b) umem_cache_free(_c, _b)
407 #define kmem_debugging() 0
408 #define kmem_cache_reap_now(_c) umem_cache_reap_now(_c);
409 #define kmem_cache_set_move(_c, _cb) /* nothing */
410 #define vmem_qcache_reap(_v) /* nothing */
411 #define POINTER_INVALIDATE(_pp) /* nothing */
412 #define POINTER_IS_VALID(_p) 0
414 extern vmem_t
*zio_arena
;
416 typedef umem_cache_t kmem_cache_t
;
418 typedef enum kmem_cbrc
{
430 #define TASKQ_NAMELEN 31
432 typedef uintptr_t taskqid_t
;
433 typedef void (task_func_t
)(void *);
435 typedef struct taskq_ent
{
436 struct taskq_ent
*tqent_next
;
437 struct taskq_ent
*tqent_prev
;
438 task_func_t
*tqent_func
;
440 uintptr_t tqent_flags
;
443 typedef struct taskq
{
444 char tq_name
[TASKQ_NAMELEN
+ 1];
446 krwlock_t tq_threadlock
;
447 kcondvar_t tq_dispatch_cv
;
448 kcondvar_t tq_wait_cv
;
449 kthread_t
**tq_threadlist
;
456 kcondvar_t tq_maxalloc_cv
;
457 int tq_maxalloc_wait
;
458 taskq_ent_t
*tq_freelist
;
462 #define TQENT_FLAG_PREALLOC 0x1 /* taskq_dispatch_ent used */
464 #define TASKQ_PREPOPULATE 0x0001
465 #define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */
466 #define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */
467 #define TASKQ_THREADS_CPU_PCT 0x0008 /* Scale # threads by # cpus */
468 #define TASKQ_DC_BATCH 0x0010 /* Mark threads as batch */
470 #define TQ_SLEEP KM_SLEEP /* Can block for memory */
471 #define TQ_NOSLEEP KM_NOSLEEP /* cannot block for memory; may fail */
472 #define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */
473 #define TQ_FRONT 0x08 /* Queue in front */
475 #define TASKQID_INVALID ((taskqid_t)0)
477 extern taskq_t
*system_taskq
;
478 extern taskq_t
*system_delay_taskq
;
480 extern taskq_t
*taskq_create(const char *, int, pri_t
, int, int, uint_t
);
481 #define taskq_create_proc(a, b, c, d, e, p, f) \
482 (taskq_create(a, b, c, d, e, f))
483 #define taskq_create_sysdc(a, b, d, e, p, dc, f) \
484 (taskq_create(a, b, maxclsyspri, d, e, f))
485 extern taskqid_t
taskq_dispatch(taskq_t
*, task_func_t
, void *, uint_t
);
486 extern taskqid_t
taskq_dispatch_delay(taskq_t
*, task_func_t
, void *, uint_t
,
488 extern void taskq_dispatch_ent(taskq_t
*, task_func_t
, void *, uint_t
,
490 extern int taskq_empty_ent(taskq_ent_t
*);
491 extern void taskq_init_ent(taskq_ent_t
*);
492 extern void taskq_destroy(taskq_t
*);
493 extern void taskq_wait(taskq_t
*);
494 extern void taskq_wait_id(taskq_t
*, taskqid_t
);
495 extern void taskq_wait_outstanding(taskq_t
*, taskqid_t
);
496 extern int taskq_member(taskq_t
*, kthread_t
*);
497 extern int taskq_cancel_id(taskq_t
*, taskqid_t
);
498 extern void system_taskq_init(void);
499 extern void system_taskq_fini(void);
501 #define XVA_MAPSIZE 3
502 #define XVA_MAGIC 0x78766174
507 typedef struct vnode
{
514 extern char *vn_dumpdir
;
515 #define AV_SCANSTAMP_SZ 32 /* length of anti-virus scanstamp */
517 typedef struct xoptattr
{
518 inode_timespec_t xoa_createtime
; /* Create time of file */
521 uint8_t xoa_readonly
;
523 uint8_t xoa_nounlink
;
524 uint8_t xoa_immutable
;
525 uint8_t xoa_appendonly
;
527 uint8_t xoa_settable
;
529 uint8_t xoa_av_quarantined
;
530 uint8_t xoa_av_modified
;
531 uint8_t xoa_av_scanstamp
[AV_SCANSTAMP_SZ
];
537 typedef struct vattr
{
538 uint_t va_mask
; /* bit-mask of attributes */
539 u_offset_t va_size
; /* file size in bytes */
543 typedef struct xvattr
{
544 vattr_t xva_vattr
; /* Embedded vattr structure */
545 uint32_t xva_magic
; /* Magic Number */
546 uint32_t xva_mapsize
; /* Size of attr bitmap (32-bit words) */
547 uint32_t *xva_rtnattrmapp
; /* Ptr to xva_rtnattrmap[] */
548 uint32_t xva_reqattrmap
[XVA_MAPSIZE
]; /* Requested attrs */
549 uint32_t xva_rtnattrmap
[XVA_MAPSIZE
]; /* Returned attrs */
550 xoptattr_t xva_xoptattrs
; /* Optional attributes */
553 typedef struct vsecattr
{
554 uint_t vsa_mask
; /* See below */
555 int vsa_aclcnt
; /* ACL entry count */
556 void *vsa_aclentp
; /* pointer to ACL entries */
557 int vsa_dfaclcnt
; /* default ACL entry count */
558 void *vsa_dfaclentp
; /* pointer to default ACL entries */
559 size_t vsa_aclentsz
; /* ACE size in bytes of vsa_aclentp */
562 #define AT_TYPE 0x00001
563 #define AT_MODE 0x00002
564 #define AT_UID 0x00004
565 #define AT_GID 0x00008
566 #define AT_FSID 0x00010
567 #define AT_NODEID 0x00020
568 #define AT_NLINK 0x00040
569 #define AT_SIZE 0x00080
570 #define AT_ATIME 0x00100
571 #define AT_MTIME 0x00200
572 #define AT_CTIME 0x00400
573 #define AT_RDEV 0x00800
574 #define AT_BLKSIZE 0x01000
575 #define AT_NBLOCKS 0x02000
576 #define AT_SEQ 0x08000
577 #define AT_XVATTR 0x10000
581 extern int fop_getattr(vnode_t
*vp
, vattr_t
*vap
);
583 #define VOP_CLOSE(vp, f, c, o, cr, ct) vn_close(vp)
584 #define VOP_PUTPAGE(vp, of, sz, fl, cr, ct) 0
585 #define VOP_GETATTR(vp, vap, fl, cr, ct) fop_getattr((vp), (vap));
587 #define VOP_FSYNC(vp, f, cr, ct) fsync((vp)->v_fd)
589 #define VN_RELE(vp) vn_close(vp)
591 extern int vn_open(char *path
, int x1
, int oflags
, int mode
, vnode_t
**vpp
,
593 extern int vn_openat(char *path
, int x1
, int oflags
, int mode
, vnode_t
**vpp
,
594 int x2
, int x3
, vnode_t
*vp
, int fd
);
595 extern int vn_rdwr(int uio
, vnode_t
*vp
, void *addr
, ssize_t len
,
596 offset_t offset
, int x1
, int x2
, rlim64_t x3
, void *x4
, ssize_t
*residp
);
597 extern void vn_close(vnode_t
*vp
);
599 #define vn_remove(path, x1, x2) remove(path)
600 #define vn_rename(from, to, seg) rename((from), (to))
601 #define vn_is_readonly(vp) B_FALSE
603 extern vnode_t
*rootdir
;
605 #include <sys/file.h> /* for FREAD, FWRITE, etc */
610 #define ddi_get_lbolt() (gethrtime() >> 23)
611 #define ddi_get_lbolt64() (gethrtime() >> 23)
612 #define hz 119 /* frequency when using gethrtime() >> 23 for lbolt */
614 #define ddi_time_before(a, b) (a < b)
615 #define ddi_time_after(a, b) ddi_time_before(b, a)
616 #define ddi_time_before_eq(a, b) (!ddi_time_after(a, b))
617 #define ddi_time_after_eq(a, b) ddi_time_before_eq(b, a)
619 #define ddi_time_before64(a, b) (a < b)
620 #define ddi_time_after64(a, b) ddi_time_before64(b, a)
621 #define ddi_time_before_eq64(a, b) (!ddi_time_after64(a, b))
622 #define ddi_time_after_eq64(a, b) ddi_time_before_eq64(b, a)
624 extern void delay(clock_t ticks
);
626 #define SEC_TO_TICK(sec) ((sec) * hz)
627 #define MSEC_TO_TICK(msec) ((msec) / (MILLISEC / hz))
628 #define USEC_TO_TICK(usec) ((usec) / (MICROSEC / hz))
629 #define NSEC_TO_TICK(usec) ((usec) / (NANOSEC / hz))
632 #define boot_ncpus (sysconf(_SC_NPROCESSORS_ONLN))
635 * Process priorities as defined by setpriority(2) and getpriority(2).
637 #define minclsyspri 19
638 #define maxclsyspri -20
639 #define defclsyspri 0
641 #define CPU_SEQID ((uintptr_t)pthread_self() & (max_ncpus - 1))
646 #define ptob(x) ((x) * PAGESIZE)
648 #define NN_DIVISOR_1000 (1U << 0)
649 #define NN_NUMBUF_SZ (6)
651 extern uint64_t physmem
;
652 extern char *random_path
;
653 extern char *urandom_path
;
655 extern int highbit64(uint64_t i
);
656 extern int lowbit64(uint64_t i
);
657 extern int random_get_bytes(uint8_t *ptr
, size_t len
);
658 extern int random_get_pseudo_bytes(uint8_t *ptr
, size_t len
);
660 extern void kernel_init(int);
661 extern void kernel_fini(void);
662 extern void random_init(void);
663 extern void random_fini(void);
666 extern void show_pool_stats(struct spa
*);
667 extern int set_global_var(char *arg
);
669 typedef struct callb_cpr
{
673 #define CALLB_CPR_INIT(cp, lockp, func, name) { \
674 (cp)->cc_lockp = lockp; \
677 #define CALLB_CPR_SAFE_BEGIN(cp) { \
678 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
681 #define CALLB_CPR_SAFE_END(cp, lockp) { \
682 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
685 #define CALLB_CPR_EXIT(cp) { \
686 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
687 mutex_exit((cp)->cc_lockp); \
690 #define zone_dataset_visible(x, y) (1)
691 #define INGLOBALZONE(z) (1)
692 extern uint32_t zone_get_hostid(void *zonep
);
694 extern char *kmem_vasprintf(const char *fmt
, va_list adx
);
695 extern char *kmem_asprintf(const char *fmt
, ...);
696 #define strfree(str) kmem_free((str), strlen(str) + 1)
699 * Hostname information
701 extern char hw_serial
[]; /* for userland-emulated hostid access */
702 extern int ddi_strtoul(const char *str
, char **nptr
, int base
,
703 unsigned long *result
);
705 extern int ddi_strtoull(const char *str
, char **nptr
, int base
,
706 u_longlong_t
*result
);
708 typedef struct utsname utsname_t
;
709 extern utsname_t
*utsname(void);
711 /* ZFS Boot Related stuff. */
721 typedef struct ace_object
{
723 uint32_t a_access_mask
;
726 uint8_t a_obj_type
[16];
727 uint8_t a_inherit_obj_type
[16];
731 #define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05
732 #define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE 0x06
733 #define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07
734 #define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08
736 extern struct _buf
*kobj_open_file(char *name
);
737 extern int kobj_read_file(struct _buf
*file
, char *buf
, unsigned size
,
739 extern void kobj_close_file(struct _buf
*file
);
740 extern int kobj_get_filesize(struct _buf
*file
, uint64_t *size
);
741 extern int zfs_secpolicy_snapshot_perms(const char *name
, cred_t
*cr
);
742 extern int zfs_secpolicy_rename_perms(const char *from
, const char *to
,
744 extern int zfs_secpolicy_destroy_perms(const char *name
, cred_t
*cr
);
745 extern int secpolicy_zfs(const cred_t
*cr
);
746 extern zoneid_t
getzoneid(void);
749 typedef struct ksiddomain
{
755 ksiddomain_t
*ksid_lookupdomain(const char *);
756 void ksiddomain_rele(ksiddomain_t
*);
758 #define DDI_SLEEP KM_SLEEP
759 #define ddi_log_sysevent(_a, _b, _c, _d, _e, _f, _g) \
760 sysevent_post_event(_c, _d, _b, "libzpool", _e, _f)
762 #define zfs_sleep_until(wakeup) \
764 hrtime_t delta = wakeup - gethrtime(); \
765 struct timespec ts; \
766 ts.tv_sec = delta / NANOSEC; \
767 ts.tv_nsec = delta % NANOSEC; \
768 (void) nanosleep(&ts, NULL); \
771 typedef int fstrans_cookie_t
;
773 extern fstrans_cookie_t
spl_fstrans_mark(void);
774 extern void spl_fstrans_unmark(fstrans_cookie_t
);
775 extern int __spl_pf_fstrans_check(void);
777 #define ____cacheline_aligned
780 #endif /* _SYS_ZFS_CONTEXT_H */