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77755a57
BB		 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/*
6283f55e
BB		 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
77755a57 24 */
a38718a6
GA		 25/*
26 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
37abac6d 27 * Copyright (c) 2012, Joyent, Inc. All rights reserved.
cc92e9d0 28 * Copyright (c) 2012 by Delphix. All rights reserved.
a38718a6 29 */
77755a57
BB		 30
31#ifndef _SYS_ZFS_CONTEXT_H
32#define _SYS_ZFS_CONTEXT_H
33
e37e1d30 34#ifdef __KERNEL__
6283f55e
BB		 35
36#include <sys/note.h>
37#include <sys/types.h>
38#include <sys/t_lock.h>
39#include <sys/atomic.h>
40#include <sys/sysmacros.h>
41#include <sys/bitmap.h>
42#include <sys/cmn_err.h>
43#include <sys/kmem.h>
44#include <sys/taskq.h>
45#include <sys/buf.h>
46#include <sys/param.h>
47#include <sys/systm.h>
48#include <sys/cpuvar.h>
49#include <sys/kobj.h>
50#include <sys/conf.h>
51#include <sys/disp.h>
52#include <sys/debug.h>
53#include <sys/random.h>
54#include <sys/byteorder.h>
55#include <sys/systm.h>
56#include <sys/list.h>
590329b5 57#include <sys/uio_impl.h>
6283f55e
BB		 58#include <sys/dirent.h>
59#include <sys/time.h>
60#include <vm/seg_kmem.h>
61#include <sys/zone.h>
6283f55e
BB		 62#include <sys/zfs_debug.h>
63#include <sys/fm/fs/zfs.h>
64#include <sys/sunddi.h>
d96eb2b1 65#include <sys/ctype.h>
15a9e033 66#include <sys/disp.h>
8299a1f4 67#include <linux/dcache_compat.h>
6283f55e
BB		 68
69#else /* _KERNEL */
77755a57
BB		 70
71#define _SYS_MUTEX_H
72#define _SYS_RWLOCK_H
73#define _SYS_CONDVAR_H
74#define _SYS_SYSTM_H
75#define _SYS_DEBUG_H
76#define _SYS_T_LOCK_H
77#define _SYS_VNODE_H
78#define _SYS_VFS_H
79#define _SYS_SUNDDI_H
80#define _SYS_CALLB_H
81
82#include <stdio.h>
83#include <stdlib.h>
84#include <stddef.h>
85#include <stdarg.h>
86#include <fcntl.h>
87#include <unistd.h>
88#include <errno.h>
89#include <string.h>
90#include <strings.h>
1e33ac1e 91#include <pthread.h>
77755a57
BB		 92#include <assert.h>
93#include <alloca.h>
94#include <umem.h>
95#include <limits.h>
96#include <atomic.h>
97#include <dirent.h>
98#include <time.h>
d96eb2b1 99#include <ctype.h>
77755a57
BB		 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>
108#include <sys/uio.h>
109#include <sys/zfs_debug.h>
110#include <sys/sdt.h>
111#include <sys/kstat.h>
112#include <sys/u8_textprep.h>
26685276 113#include <sys/fm/fs/zfs.h>
428870ff 114#include <sys/sunddi.h>
77755a57 115
60948de1
BB		 116/*
117 * Stack
118 */
119
120#define noinline __attribute__((noinline))
121
77755a57
BB		 122/*
123 * Debugging
124 */
125
126/*
127 * Note that we are not using the debugging levels.
128 */
129
130#define CE_CONT 0 /* continuation */
131#define CE_NOTE 1 /* notice */
132#define CE_WARN 2 /* warning */
133#define CE_PANIC 3 /* panic */
134#define CE_IGNORE 4 /* print nothing */
135
1e33ac1e
BB		 136extern int aok;
137
77755a57
BB		 138/*
139 * ZFS debugging
140 */
141
77755a57 142extern void dprintf_setup(int *argc, char **argv);
d7e398ce
BB		 143extern void __dprintf(const char *file, const char *func,
144 int line, const char *fmt, ...);
77755a57
BB		 145extern void cmn_err(int, const char *, ...);
146extern void vcmn_err(int, const char *, __va_list);
147extern void panic(const char *, ...);
148extern void vpanic(const char *, __va_list);
149
150#define fm_panic panic
151
77755a57
BB		 152/*
153 * DTrace SDT probes have different signatures in userland than they do in
154 * kernel. If they're being used in kernel code, re-define them out of
155 * existence for their counterparts in libzpool.
156 */
157
158#ifdef DTRACE_PROBE
159#undef DTRACE_PROBE
160#define DTRACE_PROBE(a) ((void)0)
161#endif /* DTRACE_PROBE */
162
163#ifdef DTRACE_PROBE1
164#undef DTRACE_PROBE1
165#define DTRACE_PROBE1(a, b, c) ((void)0)
166#endif /* DTRACE_PROBE1 */
167
168#ifdef DTRACE_PROBE2
169#undef DTRACE_PROBE2
170#define DTRACE_PROBE2(a, b, c, d, e) ((void)0)
171#endif /* DTRACE_PROBE2 */
172
173#ifdef DTRACE_PROBE3
174#undef DTRACE_PROBE3
175#define DTRACE_PROBE3(a, b, c, d, e, f, g) ((void)0)
176#endif /* DTRACE_PROBE3 */
177
178#ifdef DTRACE_PROBE4
179#undef DTRACE_PROBE4
180#define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) ((void)0)
181#endif /* DTRACE_PROBE4 */
182
183/*
184 * Threads
185 */
1e33ac1e
BB		 186#define TS_MAGIC 0x72f158ab4261e538ull
187#define TS_RUN 0x00000002
188#ifdef __linux__
189#define STACK_SIZE 8192 /* Linux x86 and amd64 */
190#else
191#define STACK_SIZE 24576 /* Solaris */
192#endif
428870ff 193
428870ff 194/* in libzpool, p0 exists only to have its address taken */
1e33ac1e 195typedef struct proc {
428870ff 196 uintptr_t this_is_never_used_dont_dereference_it;
1e33ac1e 197} proc_t;
428870ff
BB		 198
199extern struct proc p0;
37abac6d 200#define curproc (&p0)
428870ff 201
1e33ac1e
BB		 202typedef void (*thread_func_t)(void *);
203typedef void (*thread_func_arg_t)(void *);
204typedef pthread_t kt_did_t;
205
206typedef struct kthread {
207 kt_did_t t_tid;
208 thread_func_t t_func;
209 void * t_arg;
210} kthread_t;
77755a57 211
1e33ac1e
BB		 212#define tsd_get(key) pthread_getspecific(key)
213#define tsd_set(key, val) pthread_setspecific(key, val)
214#define curthread zk_thread_current()
215#define thread_exit zk_thread_exit
216#define thread_create(stk, stksize, func, arg, len, pp, state, pri) \
217 zk_thread_create(stk, stksize, (thread_func_t)func, arg, \
0aebd4f9 218 len, NULL, state, pri, PTHREAD_CREATE_DETACHED)
1e33ac1e
BB		 219#define thread_join(t) zk_thread_join(t)
220#define newproc(f,a,cid,pri,ctp,pid) (ENOSYS)
221
222extern kthread_t *zk_thread_current(void);
223extern void zk_thread_exit(void);
224extern kthread_t *zk_thread_create(caddr_t stk, size_t stksize,
225 thread_func_t func, void *arg, size_t len,
0aebd4f9 226 proc_t *pp, int state, pri_t pri, int detachstate);
1e33ac1e
BB		 227extern void zk_thread_join(kt_did_t tid);
228
15a9e033
PS		 229#define kpreempt_disable() ((void)0)
230#define kpreempt_enable() ((void)0)
231
1e33ac1e 232#define PS_NONE -1
77755a57
BB		 233
234#define issig(why) (FALSE)
235#define ISSIG(thr, why) (FALSE)
236
237/*
238 * Mutexes
239 */
1e33ac1e
BB		 240#define MTX_MAGIC 0x9522f51362a6e326ull
241#define MTX_INIT ((void *)NULL)
242#define MTX_DEST ((void *)-1UL)
243
77755a57
BB		 244typedef struct kmutex {
245 void *m_owner;
1e33ac1e
BB		 246 uint64_t m_magic;
247 pthread_mutex_t m_lock;
77755a57
BB		 248} kmutex_t;
249
1e33ac1e
BB		 250#define MUTEX_DEFAULT 0
251#define MUTEX_HELD(m) ((m)->m_owner == curthread)
572e2857 252#define MUTEX_NOT_HELD(m) (!MUTEX_HELD(m))
77755a57 253
1e33ac1e
BB		 254extern void mutex_init(kmutex_t *mp, char *name, int type, void *cookie);
255extern void mutex_destroy(kmutex_t *mp);
77755a57
BB		 256extern void mutex_enter(kmutex_t *mp);
257extern void mutex_exit(kmutex_t *mp);
258extern int mutex_tryenter(kmutex_t *mp);
259extern void *mutex_owner(kmutex_t *mp);
1e33ac1e 260extern int mutex_held(kmutex_t *mp);
77755a57
BB		 261
262/*
263 * RW locks
264 */
1e33ac1e
BB		 265#define RW_MAGIC 0x4d31fb123648e78aull
266#define RW_INIT ((void *)NULL)
267#define RW_DEST ((void *)-1UL)
268
77755a57 269typedef struct krwlock {
1e33ac1e
BB		 270 void *rw_owner;
271 void *rw_wr_owner;
272 uint64_t rw_magic;
273 pthread_rwlock_t rw_lock;
274 uint_t rw_readers;
77755a57
BB		 275} krwlock_t;
276
277typedef int krw_t;
278
279#define RW_READER 0
280#define RW_WRITER 1
1e33ac1e 281#define RW_DEFAULT RW_READER
77755a57 282
1e33ac1e
BB		 283#define RW_READ_HELD(x) ((x)->rw_readers > 0)
284#define RW_WRITE_HELD(x) ((x)->rw_wr_owner == curthread)
285#define RW_LOCK_HELD(x) (RW_READ_HELD(x) || RW_WRITE_HELD(x))
77755a57
BB		 286
287extern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg);
288extern void rw_destroy(krwlock_t *rwlp);
289extern void rw_enter(krwlock_t *rwlp, krw_t rw);
290extern int rw_tryenter(krwlock_t *rwlp, krw_t rw);
291extern int rw_tryupgrade(krwlock_t *rwlp);
292extern void rw_exit(krwlock_t *rwlp);
293#define rw_downgrade(rwlp) do { } while (0)
294
295extern uid_t crgetuid(cred_t *cr);
296extern gid_t crgetgid(cred_t *cr);
297extern int crgetngroups(cred_t *cr);
298extern gid_t *crgetgroups(cred_t *cr);
299
300/*
301 * Condition variables
302 */
1e33ac1e
BB		 303#define CV_MAGIC 0xd31ea9a83b1b30c4ull
304
305typedef struct kcondvar {
306 uint64_t cv_magic;
307 pthread_cond_t cv;
308} kcondvar_t;
77755a57 309
1e33ac1e 310#define CV_DEFAULT 0
77755a57
BB		 311
312extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg);
313extern void cv_destroy(kcondvar_t *cv);
314extern void cv_wait(kcondvar_t *cv, kmutex_t *mp);
315extern clock_t cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime);
316extern void cv_signal(kcondvar_t *cv);
317extern void cv_broadcast(kcondvar_t *cv);
e88b041e
BB		 318#define cv_timedwait_interruptible(cv, mp, at) cv_timedwait(cv, mp, at)
319#define cv_wait_interruptible(cv, mp) cv_wait(cv, mp)
72938d69 320#define cv_wait_io(cv, mp) cv_wait(cv, mp)
77755a57
BB		 321
322/*
323 * kstat creation, installation and deletion
324 */
325extern kstat_t *kstat_create(char *, int,
326 char *, char *, uchar_t, ulong_t, uchar_t);
327extern void kstat_install(kstat_t *);
328extern void kstat_delete(kstat_t *);
329
330/*
331 * Kernel memory
332 */
333#define KM_SLEEP UMEM_NOFAIL
334#define KM_PUSHPAGE KM_SLEEP
335#define KM_NOSLEEP UMEM_DEFAULT
00b46022 336#define KM_NODEBUG 0x0
77755a57 337#define KMC_NODEBUG UMC_NODEBUG
ae6ba3db
BB		 338#define KMC_KMEM 0x0
339#define KMC_VMEM 0x0
77755a57
BB		 340#define kmem_alloc(_s, _f) umem_alloc(_s, _f)
341#define kmem_zalloc(_s, _f) umem_zalloc(_s, _f)
342#define kmem_free(_b, _s) umem_free(_b, _s)
00b46022
BB		 343#define vmem_alloc(_s, _f) kmem_alloc(_s, _f)
344#define vmem_zalloc(_s, _f) kmem_zalloc(_s, _f)
345#define vmem_free(_b, _s) kmem_free(_b, _s)
77755a57
BB		 346#define kmem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) \
347 umem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i)
348#define kmem_cache_destroy(_c) umem_cache_destroy(_c)
349#define kmem_cache_alloc(_c, _f) umem_cache_alloc(_c, _f)
350#define kmem_cache_free(_c, _b) umem_cache_free(_c, _b)
351#define kmem_debugging() 0
572e2857
BB		 352#define kmem_cache_reap_now(_c) /* nothing */
353#define kmem_cache_set_move(_c, _cb) /* nothing */
354#define POINTER_INVALIDATE(_pp) /* nothing */
355#define POINTER_IS_VALID(_p) 0
77755a57
BB		 356
357typedef umem_cache_t kmem_cache_t;
358
572e2857
BB		 359typedef enum kmem_cbrc {
360 KMEM_CBRC_YES,
361 KMEM_CBRC_NO,
362 KMEM_CBRC_LATER,
363 KMEM_CBRC_DONT_NEED,
364 KMEM_CBRC_DONT_KNOW
365} kmem_cbrc_t;
366
77755a57
BB		 367/*
368 * Task queues
369 */
370typedef struct taskq taskq_t;
371typedef uintptr_t taskqid_t;
372typedef void (task_func_t)(void *);
373
a38718a6
GA		 374typedef struct taskq_ent {
375 struct taskq_ent *tqent_next;
376 struct taskq_ent *tqent_prev;
377 task_func_t *tqent_func;
378 void *tqent_arg;
379 uintptr_t tqent_flags;
380} taskq_ent_t;
381
382#define TQENT_FLAG_PREALLOC 0x1 /* taskq_dispatch_ent used */
383
77755a57
BB		 384#define TASKQ_PREPOPULATE 0x0001
385#define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */
386#define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */
428870ff
BB		 387#define TASKQ_THREADS_CPU_PCT 0x0008 /* Scale # threads by # cpus */
388#define TASKQ_DC_BATCH 0x0010 /* Mark threads as batch */
77755a57
BB		 389
390#define TQ_SLEEP KM_SLEEP /* Can block for memory */
391#define TQ_NOSLEEP KM_NOSLEEP /* cannot block for memory; may fail */
0ef0ff54 392#define TQ_PUSHPAGE KM_PUSHPAGE /* Cannot perform I/O */
428870ff
BB		 393#define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */
394#define TQ_FRONT 0x08 /* Queue in front */
77755a57
BB		 395
396extern taskq_t *system_taskq;
397
398extern taskq_t *taskq_create(const char *, int, pri_t, int, int, uint_t);
428870ff
BB		 399#define taskq_create_proc(a, b, c, d, e, p, f) \
400 (taskq_create(a, b, c, d, e, f))
401#define taskq_create_sysdc(a, b, d, e, p, dc, f) \
402 (taskq_create(a, b, maxclsyspri, d, e, f))
77755a57 403extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t);
cc92e9d0
GW		 404extern taskqid_t taskq_dispatch_delay(taskq_t *, task_func_t, void *, uint_t,
405 clock_t);
a38718a6
GA		 406extern void taskq_dispatch_ent(taskq_t *, task_func_t, void *, uint_t,
407 taskq_ent_t *);
408extern int taskq_empty_ent(taskq_ent_t *);
409extern void taskq_init_ent(taskq_ent_t *);
77755a57
BB		 410extern void taskq_destroy(taskq_t *);
411extern void taskq_wait(taskq_t *);
044baf00 412extern void taskq_wait_id(taskq_t *, taskqid_t);
1e33ac1e 413extern int taskq_member(taskq_t *, kthread_t *);
cc92e9d0 414extern int taskq_cancel_id(taskq_t *, taskqid_t);
77755a57 415extern void system_taskq_init(void);
428870ff 416extern void system_taskq_fini(void);
77755a57
BB		 417
418#define XVA_MAPSIZE 3
419#define XVA_MAGIC 0x78766174
420
421/*
422 * vnodes
423 */
424typedef struct vnode {
425 uint64_t v_size;
426 int v_fd;
427 char *v_path;
428} vnode_t;
429
428870ff 430#define AV_SCANSTAMP_SZ 32 /* length of anti-virus scanstamp */
77755a57
BB		 431
432typedef struct xoptattr {
433 timestruc_t xoa_createtime; /* Create time of file */
434 uint8_t xoa_archive;
435 uint8_t xoa_system;
436 uint8_t xoa_readonly;
437 uint8_t xoa_hidden;
438 uint8_t xoa_nounlink;
439 uint8_t xoa_immutable;
440 uint8_t xoa_appendonly;
441 uint8_t xoa_nodump;
442 uint8_t xoa_settable;
443 uint8_t xoa_opaque;
444 uint8_t xoa_av_quarantined;
445 uint8_t xoa_av_modified;
428870ff
BB		 446 uint8_t xoa_av_scanstamp[AV_SCANSTAMP_SZ];
447 uint8_t xoa_reparse;
572e2857
BB		 448 uint8_t xoa_offline;
449 uint8_t xoa_sparse;
77755a57
BB		 450} xoptattr_t;
451
452typedef struct vattr {
453 uint_t va_mask; /* bit-mask of attributes */
454 u_offset_t va_size; /* file size in bytes */
455} vattr_t;
456
457
458typedef struct xvattr {
459 vattr_t xva_vattr; /* Embedded vattr structure */
460 uint32_t xva_magic; /* Magic Number */
461 uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */
462 uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */
463 uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */
464 uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */
465 xoptattr_t xva_xoptattrs; /* Optional attributes */
466} xvattr_t;
467
468typedef struct vsecattr {
469 uint_t vsa_mask; /* See below */
470 int vsa_aclcnt; /* ACL entry count */
471 void *vsa_aclentp; /* pointer to ACL entries */
472 int vsa_dfaclcnt; /* default ACL entry count */
473 void *vsa_dfaclentp; /* pointer to default ACL entries */
474 size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */
475} vsecattr_t;
476
477#define AT_TYPE 0x00001
478#define AT_MODE 0x00002
479#define AT_UID 0x00004
480#define AT_GID 0x00008
481#define AT_FSID 0x00010
482#define AT_NODEID 0x00020
483#define AT_NLINK 0x00040
484#define AT_SIZE 0x00080
485#define AT_ATIME 0x00100
486#define AT_MTIME 0x00200
487#define AT_CTIME 0x00400
488#define AT_RDEV 0x00800
489#define AT_BLKSIZE 0x01000
490#define AT_NBLOCKS 0x02000
491#define AT_SEQ 0x08000
492#define AT_XVATTR 0x10000
493
494#define CRCREAT 0
495
428870ff
BB		 496extern int fop_getattr(vnode_t *vp, vattr_t *vap);
497
274091c0 498#define VOP_CLOSE(vp, f, c, o, cr, ct) vn_close(vp)
77755a57 499#define VOP_PUTPAGE(vp, of, sz, fl, cr, ct) 0
428870ff 500#define VOP_GETATTR(vp, vap, fl, cr, ct) fop_getattr((vp), (vap));
77755a57
BB		 501
502#define VOP_FSYNC(vp, f, cr, ct) fsync((vp)->v_fd)
503
504#define VN_RELE(vp) vn_close(vp)
505
506extern int vn_open(char *path, int x1, int oflags, int mode, vnode_t **vpp,
507 int x2, int x3);
508extern int vn_openat(char *path, int x1, int oflags, int mode, vnode_t **vpp,
509 int x2, int x3, vnode_t *vp, int fd);
510extern int vn_rdwr(int uio, vnode_t *vp, void *addr, ssize_t len,
511 offset_t offset, int x1, int x2, rlim64_t x3, void *x4, ssize_t *residp);
512extern void vn_close(vnode_t *vp);
513
514#define vn_remove(path, x1, x2) remove(path)
515#define vn_rename(from, to, seg) rename((from), (to))
516#define vn_is_readonly(vp) B_FALSE
517
518extern vnode_t *rootdir;
519
520#include <sys/file.h> /* for FREAD, FWRITE, etc */
521
522/*
523 * Random stuff
524 */
428870ff
BB		 525#define ddi_get_lbolt() (gethrtime() >> 23)
526#define ddi_get_lbolt64() (gethrtime() >> 23)
77755a57
BB		 527#define hz 119 /* frequency when using gethrtime() >> 23 for lbolt */
528
529extern void delay(clock_t ticks);
530
cc92e9d0
GW		 531#define SEC_TO_TICK(sec) ((sec) * hz)
532#define MSEC_TO_TICK(msec) ((msec) / (MILLISEC / hz))
533#define USEC_TO_TICK(usec) ((usec) / (MICROSEC / hz))
534#define NSEC_TO_TICK(usec) ((usec) / (NANOSEC / hz))
535
77755a57 536#define gethrestime_sec() time(NULL)
428870ff
BB		 537#define gethrestime(t) \
538 do {\
539 (t)->tv_sec = gethrestime_sec();\
540 (t)->tv_nsec = 0;\
541 } while (0);
77755a57
BB		 542
543#define max_ncpus 64
544
545#define minclsyspri 60
546#define maxclsyspri 99
547
1e33ac1e 548#define CPU_SEQID (pthread_self() & (max_ncpus - 1))
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BB		 549
550#define kcred NULL
551#define CRED() NULL
552
553#define ptob(x) ((x) * PAGESIZE)
554
555extern uint64_t physmem;
556
557extern int highbit(ulong_t i);
558extern int random_get_bytes(uint8_t *ptr, size_t len);
559extern int random_get_pseudo_bytes(uint8_t *ptr, size_t len);
560
561extern void kernel_init(int);
562extern void kernel_fini(void);
563
564struct spa;
565extern void nicenum(uint64_t num, char *buf);
566extern void show_pool_stats(struct spa *);
567
568typedef struct callb_cpr {
569 kmutex_t *cc_lockp;
570} callb_cpr_t;
571
572#define CALLB_CPR_INIT(cp, lockp, func, name) { \
573 (cp)->cc_lockp = lockp; \
574}
575
576#define CALLB_CPR_SAFE_BEGIN(cp) { \
577 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
578}
579
580#define CALLB_CPR_SAFE_END(cp, lockp) { \
581 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
582}
583
584#define CALLB_CPR_EXIT(cp) { \
585 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
586 mutex_exit((cp)->cc_lockp); \
587}
588
589#define zone_dataset_visible(x, y) (1)
590#define INGLOBALZONE(z) (1)
591
00b46022 592extern char *kmem_vasprintf(const char *fmt, va_list adx);
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BB		 593extern char *kmem_asprintf(const char *fmt, ...);
594#define strfree(str) kmem_free((str), strlen(str)+1)
595
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BB		 596/*
597 * Hostname information
598 */
d164b209 599extern char hw_serial[]; /* for userland-emulated hostid access */
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BB		 600extern int ddi_strtoul(const char *str, char **nptr, int base,
601 unsigned long *result);
602
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BB		 603extern int ddi_strtoull(const char *str, char **nptr, int base,
604 u_longlong_t *result);
605
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BB		 606/* ZFS Boot Related stuff. */
607
608struct _buf {
609 intptr_t _fd;
610};
611
612struct bootstat {
613 uint64_t st_size;
614};
615
616typedef struct ace_object {
617 uid_t a_who;
618 uint32_t a_access_mask;
619 uint16_t a_flags;
620 uint16_t a_type;
621 uint8_t a_obj_type[16];
622 uint8_t a_inherit_obj_type[16];
623} ace_object_t;
624
625
626#define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05
627#define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE 0x06
628#define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07
629#define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08
630
631extern struct _buf *kobj_open_file(char *name);
632extern int kobj_read_file(struct _buf *file, char *buf, unsigned size,
633 unsigned off);
634extern void kobj_close_file(struct _buf *file);
635extern int kobj_get_filesize(struct _buf *file, uint64_t *size);
636extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr);
637extern int zfs_secpolicy_rename_perms(const char *from, const char *to,
638 cred_t *cr);
639extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr);
640extern zoneid_t getzoneid(void);
641
642/* SID stuff */
643typedef struct ksiddomain {
644 uint_t kd_ref;
645 uint_t kd_len;
646 char *kd_name;
647} ksiddomain_t;
648
649ksiddomain_t *ksid_lookupdomain(const char *);
650void ksiddomain_rele(ksiddomain_t *);
651
9babb374
BB		 652#define DDI_SLEEP KM_SLEEP
653#define ddi_log_sysevent(_a, _b, _c, _d, _e, _f, _g) \
654 sysevent_post_event(_c, _d, _b, "libzpool", _e, _f)
655
6283f55e 656#endif /* _KERNEL */
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BB		 657
658#endif /* _SYS_ZFS_CONTEXT_H */
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