1/*	$NetBSD: zfs_context.h,v 1.11 2011/11/21 05:50:11 christos Exp $	*/
2
3/*
4 * CDDL HEADER START
5 *
6 * The contents of this file are subject to the terms of the
7 * Common Development and Distribution License, Version 1.0 only
8 * (the "License").  You may not use this file except in compliance
9 * with the License.
10 *
11 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
12 * or http://www.opensolaris.org/os/licensing.
13 * See the License for the specific language governing permissions
14 * and limitations under the License.
15 *
16 * When distributing Covered Code, include this CDDL HEADER in each
17 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
18 * If applicable, add the following below this CDDL HEADER, with the
19 * fields enclosed by brackets "[]" replaced with your own identifying
20 * information: Portions Copyright [yyyy] [name of copyright owner]
21 *
22 * CDDL HEADER END
23 */
24/*
25 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
26 * Use is subject to license terms.
27 */
28
29#ifndef _SYS_ZFS_CONTEXT_H
30#define	_SYS_ZFS_CONTEXT_H
31
32#pragma ident	"%Z%%M%	%I%	%E% SMI"
33
34#ifdef	__cplusplus
35extern "C" {
36#endif
37
38#include <sys/types.h>
39
40#ifndef _KERNEL
41
42#include <sys/mutex.h>
43#include <sys/rwlock.h>
44#include <sys/condvar.h>
45
46#define	_SYS_SYSTM_H
47#define	_SYS_DEBUG_H
48#define	_SYS_T_LOCK_H
49#define	_SYS_VNODE_H
50#define	_SYS_VFS_H
51#define	_SYS_SUNDDI_H
52#define	_SYS_CALLB_H
53#define	_SYS_SCHED_H
54#define	_SYS_TASKQ_
55
56#include <thread.h>
57#include <umem.h>
58#include <paths.h>
59#include <strings.h>
60#include <string.h>
61#include <stdio.h>
62#include <stdlib.h>
63#include <errno.h>
64#include <unistd.h>
65
66#include <sys/kstat.h>
67#include <sys/param.h>
68#include <sys/stdint.h>
69#include <sys/note.h>
70#include <sys/uio.h>
71#include <sys/atomic.h>
72#include <sys/zfs_debug.h>
73#include <sys/misc.h>
74#include <sys/sdt.h>
75#include <sys/list.h>
76#include <sys/ccompile.h>
77#include <sys/byteorder.h>
78#include <sys/utsname.h>
79#include <sys/cred.h>
80#include <sys/pset.h>
81#include <sys/u8_textprep.h>
82#include <sys/zone.h>
83#include <sys/pathname.h>
84#include <sys/sysevent.h>
85
86extern void panic(const char *, ...);
87
88#include <sys/cmn_err.h>
89
90#include <sys/sysevent/eventdefs.h>
91
92/* #include <libzfs.h> */
93
94#ifndef ABS
95#define	ABS(a) ((a) < 0 ? -(a) : (a))
96#endif
97
98extern int aok;
99
100/*
101 * Debugging
102 */
103
104/*
105 * Note that we are not using the debugging levels.
106 */
107
108#define	CE_CONT		0	/* continuation		*/
109#define	CE_NOTE		1	/* notice		*/
110#define	CE_WARN		2	/* warning		*/
111#define	CE_PANIC	3	/* panic		*/
112#define	CE_IGNORE	4	/* print nothing	*/
113
114/*
115 * ZFS debugging
116 */
117
118#define	ZFS_LOG(...)	do {  } while (0)
119
120typedef u_longlong_t      rlim64_t;
121#define	RLIM64_INFINITY	((rlim64_t)-3)
122
123#ifdef ZFS_DEBUG
124extern void dprintf_setup(int *argc, char **argv);
125#endif /* ZFS_DEBUG */
126
127/* extern void cmn_err(int, const char *, ...);
128extern void vcmn_err(int, const char *, va_list); */
129/* extern void vpanic(const char *, va_list); */
130
131#define	fm_panic	panic
132
133#if !defined(_LIBZFS_H) && !defined(_ZFS_CONTEXT_NO_VERIFY)
134#define	verify(EX) (void)((EX) || \
135	(__assert13(__FILE__, __LINE__, __func__, #EX), 0))
136#define	VERIFY	verify
137#endif
138
139#define	ASSERT	assert
140
141#ifdef lint
142#define	VERIFY3_IMPL(x, y, z, t)	if (x == z) ((void)0)
143#else
144/* BEGIN CSTYLED */
145#define	VERIFY3_IMPL(LEFT, OP, RIGHT, TYPE) do { \
146	const TYPE __left = (TYPE)(LEFT); \
147	const TYPE __right = (TYPE)(RIGHT); \
148	if (!(__left OP __right)) { \
149		char *__buf = alloca(256); \
150		(void) snprintf(__buf, 256, "%s %s %s (0x%llx %s 0x%llx)", \
151			#LEFT, #OP, #RIGHT, \
152			(u_longlong_t)__left, #OP, (u_longlong_t)__right); \
153		__assert13(__FILE__, __LINE__, __func__,__buf); \
154	} \
155_NOTE(CONSTCOND) } while (0)
156/* END CSTYLED */
157#endif /* lint */
158
159#define	VERIFY3S(x, y, z)	VERIFY3_IMPL(x, y, z, int64_t)
160#define	VERIFY3U(x, y, z)	VERIFY3_IMPL(x, y, z, uint64_t)
161#define	VERIFY3P(x, y, z)	VERIFY3_IMPL(x, y, z, uintptr_t)
162
163#ifdef NDEBUG
164#define	ASSERT3S(x, y, z)	((void)0)
165#define	ASSERT3U(x, y, z)	((void)0)
166#define	ASSERT3P(x, y, z)	((void)0)
167#else
168#define	ASSERT3S(x, y, z)	VERIFY3S(x, y, z)
169#define	ASSERT3U(x, y, z)	VERIFY3U(x, y, z)
170#define	ASSERT3P(x, y, z)	VERIFY3P(x, y, z)
171#endif
172
173/*
174 * Dtrace SDT probes have different signatures in userland than they do in
175 * kernel.  If they're being used in kernel code, re-define them out of
176 * existence for their counterparts in libzpool.
177 */
178
179#ifdef DTRACE_PROBE1
180#undef	DTRACE_PROBE1
181#define	DTRACE_PROBE1(a, b, c)	((void)0)
182#endif	/* DTRACE_PROBE1 */
183
184#ifdef DTRACE_PROBE2
185#undef	DTRACE_PROBE2
186#define	DTRACE_PROBE2(a, b, c, d, e)	((void)0)
187#endif	/* DTRACE_PROBE2 */
188
189#ifdef DTRACE_PROBE3
190#undef	DTRACE_PROBE3
191#define	DTRACE_PROBE3(a, b, c, d, e, f, g)	((void)0)
192#endif	/* DTRACE_PROBE3 */
193
194#ifdef DTRACE_PROBE4
195#undef	DTRACE_PROBE4
196#define	DTRACE_PROBE4(a, b, c, d, e, f, g, h, i)	((void)0)
197#endif	/* DTRACE_PROBE4 */
198
199/*
200 * Threads
201 */
202#define	curthread	((void *)(uintptr_t)thr_self())
203
204typedef pthread_t kthread_t;
205
206#define	thread_create(stk, stksize, func, arg, len, pp, state, pri)	\
207	zk_thread_create(func, arg)
208#define	thread_exit() thr_exit(NULL)
209#define thread_join(t)  panic("libzpool cannot join threads")
210
211#define newproc(f, a, cid, pri, ctp, pid)   (ENOSYS)
212
213extern kthread_t *zk_thread_create(void (*func)(), void *arg);
214
215/* In NetBSD struct proc is visible in userspace therefore we use it's original
216   definition. */
217/* struct proc {
218	uintptr_t   this_is_never_used_dont_dereference_it;
219	}; */
220
221extern struct proc p0;
222
223#define	issig(why)		(FALSE)
224#define	ISSIG(thr, why)		(FALSE)
225#define	makedevice(min, maj)	makedev((min), (maj))
226
227/*
228 * Mutexes
229 */
230
231#define	MUTEX_DEFAULT	USYNC_THREAD
232#define	MUTEX_HELD(m)	(mutex_owned(m))
233
234extern void mutex_init(kmutex_t *mp, void *, kmutex_type_t, void *);
235extern void mutex_destroy(kmutex_t *mp);
236extern void mutex_enter(kmutex_t *mp);
237extern void mutex_exit(kmutex_t *mp);
238extern int mutex_tryenter(kmutex_t *mp);
239extern void *mutex_owner(kmutex_t *mp);
240extern int mutex_owned(kmutex_t *mp);
241
242/*
243 * RW locks
244 */
245#define	RW_DEFAULT	USYNC_THREAD
246
247#define	RW_LOCK_HELD(x)		rw_lock_held(x)
248#define	RW_WRITE_HELD(x)	rw_write_held(x)
249#define	RW_READ_HELD(x)		rw_read_held(x)
250
251extern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg);
252extern void rw_destroy(krwlock_t *rwlp);
253extern void rw_enter(krwlock_t *rwlp, krw_t rw);
254extern int rw_tryenter(krwlock_t *rwlp, krw_t rw);
255extern int rw_tryupgrade(krwlock_t *rwlp);
256extern void rw_exit(krwlock_t *rwlp);
257extern int rw_lock_held(krwlock_t *rwlp);
258extern int rw_write_held(krwlock_t *rwlp);
259extern int rw_read_held(krwlock_t *rwlp);
260#define	rw_downgrade(rwlp) do { } while (0)
261
262extern uid_t crgetuid(cred_t *cr);
263extern gid_t crgetgid(cred_t *cr);
264extern int crgetngroups(cred_t *cr);
265extern gid_t *crgetgroups(cred_t *cr);
266
267/*
268 * Condition variables
269 */
270#define	CV_DEFAULT	USYNC_THREAD
271
272extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg);
273extern void cv_destroy(kcondvar_t *cv);
274extern void cv_wait(kcondvar_t *cv, kmutex_t *mp);
275extern clock_t cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime);
276extern void cv_signal(kcondvar_t *cv);
277extern void cv_broadcast(kcondvar_t *cv);
278
279/*
280 * Kernel memory
281 */
282#define	KM_SLEEP		UMEM_NOFAIL
283#define	KM_NOSLEEP		UMEM_DEFAULT
284#define	KM_PUSHPAGE		UMEM_NOFAIL
285#define	KMC_NODEBUG		UMC_NODEBUG
286#define	kmem_alloc(_s, _f)	umem_alloc(_s, _f)
287#define	kmem_zalloc(_s, _f)	umem_zalloc(_s, _f)
288#define	kmem_free(_b, _s)	umem_free(_b, _s)
289#define	kmem_size()		(physmem * PAGESIZE)
290#define	kmem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) \
291	umem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i)
292#define	kmem_cache_destroy(_c)	umem_cache_destroy(_c)
293#define	kmem_cache_alloc(_c, _f) umem_cache_alloc(_c, _f)
294#define	kmem_cache_free(_c, _b)	umem_cache_free(_c, _b)
295#define	kmem_debugging()	0
296#define	kmem_cache_reap_now(c)
297
298typedef umem_cache_t kmem_cache_t;
299typedef struct vmem vmem_t;
300
301#define	ZFS_EXPORTS_PATH	"/etc/zfs/exports"
302
303/*
304 * Task queues
305 */
306typedef struct taskq taskq_t;
307typedef uintptr_t taskqid_t;
308typedef void (task_func_t)(void *);
309
310#define TASKQ_PREPOPULATE   0x0001
311#define TASKQ_CPR_SAFE      0x0002  /* Use CPR safe protocol */
312#define TASKQ_DYNAMIC       0x0004  /* Use dynamic thread scheduling */
313#define TASKQ_THREADS_CPU_PCT   0x0008  /* Scale # threads by # cpus */
314#define TASKQ_DC_BATCH      0x0010  /* Mark threads as batch */
315
316#define TQ_SLEEP    KM_SLEEP    /* Can block for memory */
317#define TQ_NOSLEEP  KM_NOSLEEP  /* cannot block for memory; may fail */
318#define TQ_NOQUEUE  0x02        /* Do not enqueue if can't dispatch */
319#define TQ_FRONT    0x08        /* Queue in front */
320
321extern taskq_t *system_taskq;
322
323extern taskq_t  *taskq_create(const char *, int, pri_t, int, int, uint_t);
324#define taskq_create_proc(a, b, c, d, e, p, f) \
325	(taskq_create(a, b, c, d, e, f))
326#define taskq_create_sysdc(a, b, d, e, p, dc, f) \
327	(taskq_create(a, b, maxclsyspri, d, e, f))
328extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t);
329extern void taskq_destroy(taskq_t *);
330extern void taskq_wait(taskq_t *);
331extern int  taskq_member(taskq_t *, void *);
332extern void system_taskq_init(void);
333extern void system_taskq_fini(void);
334
335#define	XVA_MAPSIZE	3
336#define	XVA_MAGIC	0x78766174
337
338/*
339 * vnodes
340 */
341typedef struct vnode {
342	uint64_t	v_size;
343	int		v_fd;
344	char		*v_path;
345} vnode_t;
346
347typedef struct vattr {
348	uint_t		va_mask;	/* bit-mask of attributes */
349	u_offset_t	va_size;	/* file size in bytes */
350} vattr_t;
351
352#define	AT_TYPE		0x0001
353#define	AT_MODE		0x0002
354#define	AT_UID		0x0004
355#define	AT_GID		0x0008
356#define	AT_FSID		0x0010
357#define	AT_NODEID	0x0020
358#define	AT_NLINK	0x0040
359#define	AT_SIZE		0x0080
360#define	AT_ATIME	0x0100
361#define	AT_MTIME	0x0200
362#define	AT_CTIME	0x0400
363#define	AT_RDEV		0x0800
364#define	AT_BLKSIZE	0x1000
365#define	AT_NBLOCKS	0x2000
366#define	AT_SEQ		0x8000
367
368#define	CRCREAT		0
369
370#define	VOP_CLOSE(vp, f, c, o, cr, unk)	0
371#define	VOP_PUTPAGE(vp, of, sz, fl, cr, unk)	0
372#define	VOP_GETATTR(vp, vap, fl, cr, unk) vn_getattr(vp, vap)
373#define	VOP_FSYNC(vp, f, cr, unk)	fsync((vp)->v_fd)
374
375#define	VN_RELE(vp)	vn_close(vp)
376
377extern int vn_open(char *path, int x1, int oflags, int mode, vnode_t **vpp,
378    int x2, int x3);
379extern int vn_openat(char *path, int x1, int oflags, int mode, vnode_t **vpp,
380    int x2, int x3, vnode_t *vp, int unk);
381extern int vn_rdwr(int uio, vnode_t *vp, void *addr, ssize_t len,
382    offset_t offset, int x1, int x2, rlim64_t x3, void *x4, ssize_t *residp);
383extern void vn_close(vnode_t *vp);
384extern int vn_getattr(vnode_t *vp, vattr_t *va);
385
386#define	vn_remove(path, x1, x2)		remove(path)
387#define	vn_rename(from, to, seg)	rename((from), (to))
388#define	vn_is_readonly(vp)		B_FALSE
389
390extern vnode_t *rootdir;
391
392#include <sys/file.h>		/* for FREAD, FWRITE, etc */
393#define	FTRUNC	O_TRUNC
394#define	openat64	openat
395
396
397/*
398 * Random stuff
399 */
400#define	lbolt	(gethrtime() >> 23)
401#define	lbolt64	(gethrtime() >> 23)
402#define	hz	119	/* frequency when using gethrtime() >> 23 for lbolt */
403
404extern void delay(clock_t ticks);
405
406#define	gethrestime_sec() time(NULL)
407#define gethrestime(t) \
408	do {\
409	(t)->tv_sec = gethrestime_sec();\
410	(t)->tv_nsec = 0;\
411	} while (0);
412
413#define	max_ncpus	64
414
415#define	minclsyspri	60
416#define	maxclsyspri	99
417
418#define	CPU_SEQID	(thr_self() & (max_ncpus - 1))
419
420#define	kcred		NULL
421#define	CRED()		NULL
422
423extern uint64_t physmem;
424
425extern int random_get_bytes(uint8_t *ptr, size_t len);
426extern int random_get_pseudo_bytes(uint8_t *ptr, size_t len);
427
428extern void kernel_init(int);
429extern void kernel_fini(void);
430
431struct spa;
432extern void nicenum(uint64_t num, char *buf);
433extern void show_pool_stats(struct spa *);
434
435typedef struct callb_cpr {
436	kmutex_t	*cc_lockp;
437} callb_cpr_t;
438
439#define	CALLB_CPR_INIT(cp, lockp, func, name)	{		\
440	(cp)->cc_lockp = lockp;					\
441}
442
443#define	CALLB_CPR_SAFE_BEGIN(cp) {				\
444	ASSERT(MUTEX_HELD((cp)->cc_lockp));			\
445}
446
447#define	CALLB_CPR_SAFE_END(cp, lockp) {				\
448	ASSERT(MUTEX_HELD((cp)->cc_lockp));			\
449}
450
451#define	CALLB_CPR_EXIT(cp) {					\
452	ASSERT(MUTEX_HELD((cp)->cc_lockp));			\
453	mutex_exit((cp)->cc_lockp);				\
454}
455
456#define	zone_dataset_visible(x, y)	(1)
457#define	INGLOBALZONE(z)			(1)
458
459#define	open64	open
460int	mkdirp(const char *, mode_t);
461
462/*
463 * Hostname information
464 */
465extern struct utsname utsname;
466extern char hw_serial[];
467extern int ddi_strtoul(const char *str, char **nptr, int base,
468    unsigned long *result);
469#define	ddi_get_lbolt()	(gethrtime() >> 23)
470#define	ddi_get_lbolt64() (gethrtime() >> 23)
471
472/* ZFS Boot Related stuff. */
473
474struct _buf {
475	intptr_t	_fd;
476};
477
478struct bootstat {
479	uint64_t st_size;
480};
481
482extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr);
483extern int zfs_secpolicy_rename_perms(const char *from, const char *to,
484    cred_t *cr);
485extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr);
486
487extern struct _buf *kobj_open_file(char *name);
488extern int kobj_read_file(struct _buf *file, char *buf, unsigned size,
489    unsigned off);
490extern void kobj_close_file(struct _buf *file);
491extern int kobj_get_filesize(struct _buf *file, uint64_t *size);
492/* Random compatibility stuff. */
493#define	lbolt	(gethrtime() >> 23)
494#define	lbolt64	(gethrtime() >> 23)
495
496/* extern int hz; */
497extern uint64_t physmem;
498
499#define	gethrestime_sec()	time(NULL)
500
501#define	pwrite64(d, p, n, o)	pwrite(d, p, n, o)
502#define	readdir64(d)		readdir(d)
503#define	sigispending(td, sig)	(0)
504#define	root_mount_wait()	do { } while (0)
505#define	root_mounted()		(1)
506
507struct file {
508	void *dummy;
509};
510
511#define	FCREAT	O_CREAT
512#define	FOFFMAX	0x0
513
514#define	SYSCTL_DECL(...)
515#define	SYSCTL_NODE(...)
516#define	SYSCTL_INT(...)
517#define	SYSCTL_ULONG(...)
518#ifdef TUNABLE_INT
519#undef TUNABLE_INT
520#undef TUNABLE_ULONG
521#endif
522#define	TUNABLE_INT(...)
523#define	TUNABLE_ULONG(...)
524
525/* Errors */
526
527#ifndef	ERESTART
528#define	ERESTART	(-1)
529#endif
530
531#ifdef ptob
532#undef ptob
533#endif
534
535size_t	ptob(size_t);
536
537
538typedef struct ksiddomain {
539	uint_t	kd_ref;
540	uint_t	kd_len;
541	char	*kd_name;
542} ksiddomain_t;
543
544ksiddomain_t *ksid_lookupdomain(const char *);
545void ksiddomain_rele(ksiddomain_t *);
546
547typedef struct ace_object {
548 	uid_t		a_who;
549 	uint32_t	a_access_mask;
550 	uint16_t	a_flags;
551 	uint16_t	a_type;
552 	uint8_t		a_obj_type[16];
553 	uint8_t		a_inherit_obj_type[16];
554} ace_object_t;
555
556#define	ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE	0x05
557#define	ACE_ACCESS_DENIED_OBJECT_ACE_TYPE	0x06
558#define	ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE	0x07
559#define	ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE	0x08
560
561/* libzfs_dataset.c */
562#define	priv_allocset()		(NULL)
563#define	getppriv(a, b)		(0)
564#define	priv_isfullset(a)	(B_FALSE)
565#define	priv_freeset(a)		(0)
566
567#define	di_devlink_init(a, b)	(NULL)
568#define	di_devlink_fini(a)	(0)
569typedef void			*di_devlink_handle_t;
570
571extern char *kmem_asprintf(const char *fmt, ...);
572#define strfree(str) kmem_free((str), strlen(str)+1)
573
574#define DEV_PHYS_PATH "phys_path"
575
576#define DDI_SLEEP KM_SLEEP
577#define ddi_log_sysevent(_a, _b, _c, _d, _e, _f, _g) 0
578
579#else	/* _KERNEL */
580
581#include <sys/systm.h>
582#include <sys/kcondvar.h>
583#include <sys/limits.h>
584#include <sys/kmem.h>
585#include <sys/param.h>
586#include <sys/stdint.h>
587#include <sys/note.h>
588#include <sys/kernel.h>
589#include <sys/kstat.h>
590#include <sys/debug.h>
591#include <sys/proc.h>
592#include <sys/sysmacros.h>
593#include <sys/bitmap.h>
594#include <sys/cmn_err.h>
595#include <sys/taskq.h>
596#include <sys/conf.h>
597#include <sys/mutex.h>
598#include <sys/rwlock.h>
599#include <sys/list.h>
600#include <sys/uio.h>
601#include <sys/dirent.h>
602#include <sys/time.h>
603#include <sys/uio.h>
604#include <sys/fcntl.h>
605#include <sys/string.h>
606#include <sys/buf.h>
607#include <sys/cred.h>
608#include <sys/sdt.h>
609#include <sys/file.h>
610#include <sys/vfs.h>
611#include <sys/lockf.h>
612#include <sys/zone.h>
613#include <sys/misc.h>
614#include <sys/zfs_debug.h>
615#include <sys/byteorder.h>
616#include <sys/mman.h>
617#include <sys/random.h>
618#include <sys/pset.h>
619#include <sys/u8_textprep.h>
620#include <sys/sysevent.h>
621#include <sys/sysevent/eventdefs.h>
622
623#include <uvm/uvm_extern.h>
624
625#define	CPU_SEQID	(curcpu()->ci_data.cpu_index)
626#define	lbolt		hardclock_ticks
627#define	lbolt64		lbolt
628
629clock_t ddi_get_lbolt(void);
630int64_t ddi_get_lbolt64(void);
631
632#ifdef	__cplusplus
633}
634#endif
635
636extern int zfs_debug_level;
637extern kmutex_t zfs_debug_mtx;
638#define	ZFS_LOG(lvl, ...)	do {					\
639	if (((lvl) & 0xff) <= zfs_debug_level) {			\
640		mutex_enter(&zfs_debug_mtx);				\
641		printf("%s:%u[%d]: ", __func__, __LINE__, (lvl));	\
642		printf(__VA_ARGS__);					\
643		printf("\n");						\
644		if ((lvl) & 0x100)					\
645			/* XXXNETBSD backtrace */			\
646		mutex_exit(&zfs_debug_mtx);				\
647	}								\
648} while (0)
649
650extern struct utsname utsname;
651
652#define	makedevice(a, b)	makedev(a, b)
653#define	getmajor(a)		major(a)
654#define	getminor(a)		minor(a)
655#define issig(x)		(sigispending(curlwp, 0))
656#define	ISSIG(thr, why)		(sigispending(thr, 0))
657#define	fm_panic		panic
658
659#ifdef ptob
660#undef ptob
661#endif
662#define ptob(x)			((x) * PAGE_SIZE)
663
664#define	strncat(a, b, c)	strlcat(a, b, c)
665#define	tsd_get(x)		lwp_getspecific(x)
666#define	tsd_set(x, y)		(lwp_setspecific(x, y), 0)
667#define	kmem_debugging()	0
668
669#define zone_get_hostid(a)      0
670
671extern char *kmem_asprintf(const char *fmt, ...);
672#define strfree(str) kmem_free((str), strlen(str)+1)
673
674/* NetBSD doesn't need this routines in zfs code, yet */
675#define	taskq_create_proc(a, b, c, d, e, p, f) \
676	(taskq_create(a, b, c, d, e, f))
677#define	taskq_create_sysdc(a, b, d, e, p, dc, f) \
678	(taskq_create(a, b, maxclsyspri, d, e, f))
679
680#define	MAXUID			UID_MAX
681#define	FIGNORECASE		0
682#define	CREATE_XATTR_DIR	0
683
684#define DEV_PHYS_PATH "phys_path"
685
686#define DDI_SLEEP KM_SLEEP
687#define ddi_log_sysevent(_a, _b, _c, _d, _e, _f, _g) 0
688
689#define sys_shutdown	0
690
691#endif	/* _KERNEL */
692
693#endif	/* _SYS_ZFS_CONTEXT_H */
694