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 2008 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef _SYS_ZFS_CONTEXT_H
27#define _SYS_ZFS_CONTEXT_H
28
29#ifdef __cplusplus
30extern "C" {
31#endif
32
33#define _SYS_MUTEX_H
34#define _SYS_RWLOCK_H
35#define _SYS_CONDVAR_H
36#define _SYS_SYSTM_H
37#define _SYS_DEBUG_H
38#define _SYS_T_LOCK_H
39#define _SYS_VNODE_H
40#define _SYS_VFS_H
41#define _SYS_SUNDDI_H
42#define _SYS_CALLB_H
43#define _SYS_SCHED_H_
44
45#include <solaris.h>
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 <thread.h>
56#include <assert.h>
57#include <limits.h>
58#include <dirent.h>
59#include <time.h>
60#include <math.h>
61#include <umem.h>
62#include <fsshare.h>
63#include <sys/note.h>
64#include <sys/types.h>
65#include <sys/cred.h>
66#include <sys/atomic.h>
67#include <sys/sysmacros.h>
68#include <sys/bitmap.h>
69#include <sys/resource.h>
70#include <sys/byteorder.h>
71#include <sys/list.h>
72#include <sys/time.h>
73#include <sys/uio.h>
74#include <sys/mntent.h>
75#include <sys/mnttab.h>
76#include <sys/zfs_debug.h>
77#include <sys/debug.h>
78#include <sys/sdt.h>
79#include <sys/kstat.h>
80#include <sys/u8_textprep.h>
81#include <sys/kernel.h>
82#include <sys/disk.h>
83#include <sys/sysevent/eventdefs.h>
84#include <machine/atomic.h>
85
86#define ZFS_EXPORTS_PATH "/etc/zfs/exports"
87
88/*
89 * Debugging
90 */
91
92/*
93 * Note that we are not using the debugging levels.
94 */
95
96#define CE_CONT 0 /* continuation */
97#define CE_NOTE 1 /* notice */
98#define CE_WARN 2 /* warning */
99#define CE_PANIC 3 /* panic */
100#define CE_IGNORE 4 /* print nothing */
101
102/*
103 * ZFS debugging
104 */
105
106#define ZFS_LOG(...) do { } while (0)
107
108typedef u_longlong_t rlim64_t;
109#define RLIM64_INFINITY ((rlim64_t)-3)
110
111#ifdef ZFS_DEBUG
112extern void dprintf_setup(int *argc, char **argv);
113#endif /* ZFS_DEBUG */
114
115extern void cmn_err(int, const char *, ...);
116extern void vcmn_err(int, const char *, __va_list);
117extern void panic(const char *, ...);
118extern void vpanic(const char *, __va_list);
119
120#define fm_panic panic
121
122/* This definition is copied from assert.h. */
123#if defined(__STDC__)
124#if __STDC_VERSION__ - 0 >= 199901L
125#define verify(EX) (void)((EX) || (__assert(#EX, __FILE__, __LINE__), 0))
126#else
127#define verify(EX) (void)((EX) || (__assert(#EX, __FILE__, __LINE__), 0))
128#endif /* __STDC_VERSION__ - 0 >= 199901L */
129#else
130#define verify(EX) (void)((EX) || (_assert("EX", __FILE__, __LINE__), 0))
131#endif /* __STDC__ */
132
133
134#define VERIFY verify
135#define ASSERT assert
136
137extern void __assert(const char *, const char *, int);
138
139#ifdef lint
140#define VERIFY3_IMPL(x, y, z, t) if (x == z) ((void)0)
141#else
142/* BEGIN CSTYLED */
143#define VERIFY3_IMPL(LEFT, OP, RIGHT, TYPE) do { \
144 const TYPE __left = (TYPE)(LEFT); \
145 const TYPE __right = (TYPE)(RIGHT); \
146 if (!(__left OP __right)) { \
147 char *__buf = alloca(256); \
148 (void) snprintf(__buf, 256, "%s %s %s (0x%llx %s 0x%llx)", \
149 #LEFT, #OP, #RIGHT, \
150 (u_longlong_t)__left, #OP, (u_longlong_t)__right); \
151 __assert(__buf, __FILE__, __LINE__); \
152 } \
153_NOTE(CONSTCOND) } while (0)
154/* END CSTYLED */
155#endif /* lint */
156
157#define VERIFY3S(x, y, z) VERIFY3_IMPL(x, y, z, int64_t)
158#define VERIFY3U(x, y, z) VERIFY3_IMPL(x, y, z, uint64_t)
159#define VERIFY3P(x, y, z) VERIFY3_IMPL(x, y, z, uintptr_t)
160
161#ifdef NDEBUG
162#define ASSERT3S(x, y, z) ((void)0)
163#define ASSERT3U(x, y, z) ((void)0)
164#define ASSERT3P(x, y, z) ((void)0)
165#else
166#define ASSERT3S(x, y, z) VERIFY3S(x, y, z)
167#define ASSERT3U(x, y, z) VERIFY3U(x, y, z)
168#define ASSERT3P(x, y, z) VERIFY3P(x, y, z)
169#endif
170
171/*
172 * DTrace SDT probes have different signatures in userland than they do in
173 * kernel. If they're being used in kernel code, re-define them out of
174 * existence for their counterparts in libzpool.
175 */
176
177#ifdef DTRACE_PROBE
178#undef DTRACE_PROBE
179#define DTRACE_PROBE(a) ((void)0)
180#endif /* DTRACE_PROBE */
181
182#ifdef DTRACE_PROBE1
183#undef DTRACE_PROBE1
184#define DTRACE_PROBE1(a, b, c) ((void)0)
185#endif /* DTRACE_PROBE1 */
186
187#ifdef DTRACE_PROBE2
188#undef DTRACE_PROBE2
189#define DTRACE_PROBE2(a, b, c, d, e) ((void)0)
190#endif /* DTRACE_PROBE2 */
191
192#ifdef DTRACE_PROBE3
193#undef DTRACE_PROBE3
194#define DTRACE_PROBE3(a, b, c, d, e, f, g) ((void)0)
195#endif /* DTRACE_PROBE3 */
196
197#ifdef DTRACE_PROBE4
198#undef DTRACE_PROBE4
199#define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) ((void)0)
200#endif /* DTRACE_PROBE4 */
201
202/*
203 * Threads
204 */
205#define curthread ((void *)(uintptr_t)thr_self())
206
207typedef struct kthread kthread_t;
208
209#define thread_create(stk, stksize, func, arg, len, pp, state, pri) \
210 zk_thread_create(func, arg)
211#define thread_exit() thr_exit(NULL)
212
213extern kthread_t *zk_thread_create(void (*func)(), void *arg);
214
215#define issig(why) (FALSE)
216#define ISSIG(thr, why) (FALSE)
217
218/*
219 * Mutexes
220 */
221typedef struct kmutex {
222 void *m_owner;
223 boolean_t initialized;
224 mutex_t m_lock;
225} kmutex_t;
226
227#define MUTEX_DEFAULT USYNC_THREAD
228#undef MUTEX_HELD
229#define MUTEX_HELD(m) ((m)->m_owner == curthread)
230
231/*
232 * Argh -- we have to get cheesy here because the kernel and userland
233 * have different signatures for the same routine.
234 */
235//extern int _mutex_init(mutex_t *mp, int type, void *arg);
236//extern int _mutex_destroy(mutex_t *mp);
237
238#define mutex_init(mp, b, c, d) zmutex_init((kmutex_t *)(mp))
239#define mutex_destroy(mp) zmutex_destroy((kmutex_t *)(mp))
240#define mutex_owned(mp) zmutex_owned((kmutex_t *)(mp))
241
242extern void zmutex_init(kmutex_t *mp);
243extern void zmutex_destroy(kmutex_t *mp);
244extern int zmutex_owned(kmutex_t *mp);
245extern void mutex_enter(kmutex_t *mp);
246extern void mutex_exit(kmutex_t *mp);
247extern int mutex_tryenter(kmutex_t *mp);
248extern void *mutex_owner(kmutex_t *mp);
249
250/*
251 * RW locks
252 */
253typedef struct krwlock {
254 int rw_count;
255 void *rw_owner;
256 boolean_t initialized;
257 rwlock_t rw_lock;
258} krwlock_t;
259
260typedef int krw_t;
261
262#define RW_READER 0
263#define RW_WRITER 1
264#define RW_DEFAULT USYNC_THREAD
265
266#undef RW_READ_HELD
267#define RW_READ_HELD(x) ((x)->rw_owner == NULL && (x)->rw_count > 0)
268
269#undef RW_WRITE_HELD
270#define RW_WRITE_HELD(x) ((x)->rw_owner == curthread)
271#define RW_LOCK_HELD(x) rw_lock_held(x)
272
273extern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg);
274extern void rw_destroy(krwlock_t *rwlp);
275extern void rw_enter(krwlock_t *rwlp, krw_t rw);
276extern int rw_tryenter(krwlock_t *rwlp, krw_t rw);
277extern int rw_tryupgrade(krwlock_t *rwlp);
278extern void rw_exit(krwlock_t *rwlp);
279extern int rw_lock_held(krwlock_t *rwlp);
280#define rw_downgrade(rwlp) do { } while (0)
281
282extern uid_t crgetuid(cred_t *cr);
283extern gid_t crgetgid(cred_t *cr);
284extern int crgetngroups(cred_t *cr);
285extern gid_t *crgetgroups(cred_t *cr);
286
287/*
288 * Condition variables
289 */
290typedef cond_t kcondvar_t;
291
292#define CV_DEFAULT USYNC_THREAD
293
294extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg);
295extern void cv_destroy(kcondvar_t *cv);
296extern void cv_wait(kcondvar_t *cv, kmutex_t *mp);
297extern clock_t cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime);
298extern void cv_signal(kcondvar_t *cv);
299extern void cv_broadcast(kcondvar_t *cv);
300
301/*
302 * Kernel memory
303 */
304#define KM_SLEEP UMEM_NOFAIL
305#define KM_PUSHPAGE KM_SLEEP
306#define KM_NOSLEEP UMEM_DEFAULT
307#define KMC_NODEBUG UMC_NODEBUG
308#define kmem_alloc(_s, _f) umem_alloc(_s, _f)
309#define kmem_zalloc(_s, _f) umem_zalloc(_s, _f)
310#define kmem_free(_b, _s) umem_free(_b, _s)
311#define kmem_size() (physmem * PAGESIZE)
312#define kmem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) \
313 umem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i)
314#define kmem_cache_destroy(_c) umem_cache_destroy(_c)
315#define kmem_cache_alloc(_c, _f) umem_cache_alloc(_c, _f)
316#define kmem_cache_free(_c, _b) umem_cache_free(_c, _b)
317#define kmem_debugging() 0
318#define kmem_cache_reap_now(c)
319
320typedef umem_cache_t kmem_cache_t;
321
322/*
323 * Task queues
324 */
325typedef struct taskq taskq_t;
326typedef uintptr_t taskqid_t;
327typedef void (task_func_t)(void *);
328
329#define TASKQ_PREPOPULATE 0x0001
330#define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */
331#define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */
332
333#define TQ_SLEEP KM_SLEEP /* Can block for memory */
334#define TQ_NOSLEEP KM_NOSLEEP /* cannot block for memory; may fail */
335#define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */
336
| 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 2008 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef _SYS_ZFS_CONTEXT_H
27#define _SYS_ZFS_CONTEXT_H
28
29#ifdef __cplusplus
30extern "C" {
31#endif
32
33#define _SYS_MUTEX_H
34#define _SYS_RWLOCK_H
35#define _SYS_CONDVAR_H
36#define _SYS_SYSTM_H
37#define _SYS_DEBUG_H
38#define _SYS_T_LOCK_H
39#define _SYS_VNODE_H
40#define _SYS_VFS_H
41#define _SYS_SUNDDI_H
42#define _SYS_CALLB_H
43#define _SYS_SCHED_H_
44
45#include <solaris.h>
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 <thread.h>
56#include <assert.h>
57#include <limits.h>
58#include <dirent.h>
59#include <time.h>
60#include <math.h>
61#include <umem.h>
62#include <fsshare.h>
63#include <sys/note.h>
64#include <sys/types.h>
65#include <sys/cred.h>
66#include <sys/atomic.h>
67#include <sys/sysmacros.h>
68#include <sys/bitmap.h>
69#include <sys/resource.h>
70#include <sys/byteorder.h>
71#include <sys/list.h>
72#include <sys/time.h>
73#include <sys/uio.h>
74#include <sys/mntent.h>
75#include <sys/mnttab.h>
76#include <sys/zfs_debug.h>
77#include <sys/debug.h>
78#include <sys/sdt.h>
79#include <sys/kstat.h>
80#include <sys/u8_textprep.h>
81#include <sys/kernel.h>
82#include <sys/disk.h>
83#include <sys/sysevent/eventdefs.h>
84#include <machine/atomic.h>
85
86#define ZFS_EXPORTS_PATH "/etc/zfs/exports"
87
88/*
89 * Debugging
90 */
91
92/*
93 * Note that we are not using the debugging levels.
94 */
95
96#define CE_CONT 0 /* continuation */
97#define CE_NOTE 1 /* notice */
98#define CE_WARN 2 /* warning */
99#define CE_PANIC 3 /* panic */
100#define CE_IGNORE 4 /* print nothing */
101
102/*
103 * ZFS debugging
104 */
105
106#define ZFS_LOG(...) do { } while (0)
107
108typedef u_longlong_t rlim64_t;
109#define RLIM64_INFINITY ((rlim64_t)-3)
110
111#ifdef ZFS_DEBUG
112extern void dprintf_setup(int *argc, char **argv);
113#endif /* ZFS_DEBUG */
114
115extern void cmn_err(int, const char *, ...);
116extern void vcmn_err(int, const char *, __va_list);
117extern void panic(const char *, ...);
118extern void vpanic(const char *, __va_list);
119
120#define fm_panic panic
121
122/* This definition is copied from assert.h. */
123#if defined(__STDC__)
124#if __STDC_VERSION__ - 0 >= 199901L
125#define verify(EX) (void)((EX) || (__assert(#EX, __FILE__, __LINE__), 0))
126#else
127#define verify(EX) (void)((EX) || (__assert(#EX, __FILE__, __LINE__), 0))
128#endif /* __STDC_VERSION__ - 0 >= 199901L */
129#else
130#define verify(EX) (void)((EX) || (_assert("EX", __FILE__, __LINE__), 0))
131#endif /* __STDC__ */
132
133
134#define VERIFY verify
135#define ASSERT assert
136
137extern void __assert(const char *, const char *, int);
138
139#ifdef lint
140#define VERIFY3_IMPL(x, y, z, t) if (x == z) ((void)0)
141#else
142/* BEGIN CSTYLED */
143#define VERIFY3_IMPL(LEFT, OP, RIGHT, TYPE) do { \
144 const TYPE __left = (TYPE)(LEFT); \
145 const TYPE __right = (TYPE)(RIGHT); \
146 if (!(__left OP __right)) { \
147 char *__buf = alloca(256); \
148 (void) snprintf(__buf, 256, "%s %s %s (0x%llx %s 0x%llx)", \
149 #LEFT, #OP, #RIGHT, \
150 (u_longlong_t)__left, #OP, (u_longlong_t)__right); \
151 __assert(__buf, __FILE__, __LINE__); \
152 } \
153_NOTE(CONSTCOND) } while (0)
154/* END CSTYLED */
155#endif /* lint */
156
157#define VERIFY3S(x, y, z) VERIFY3_IMPL(x, y, z, int64_t)
158#define VERIFY3U(x, y, z) VERIFY3_IMPL(x, y, z, uint64_t)
159#define VERIFY3P(x, y, z) VERIFY3_IMPL(x, y, z, uintptr_t)
160
161#ifdef NDEBUG
162#define ASSERT3S(x, y, z) ((void)0)
163#define ASSERT3U(x, y, z) ((void)0)
164#define ASSERT3P(x, y, z) ((void)0)
165#else
166#define ASSERT3S(x, y, z) VERIFY3S(x, y, z)
167#define ASSERT3U(x, y, z) VERIFY3U(x, y, z)
168#define ASSERT3P(x, y, z) VERIFY3P(x, y, z)
169#endif
170
171/*
172 * DTrace SDT probes have different signatures in userland than they do in
173 * kernel. If they're being used in kernel code, re-define them out of
174 * existence for their counterparts in libzpool.
175 */
176
177#ifdef DTRACE_PROBE
178#undef DTRACE_PROBE
179#define DTRACE_PROBE(a) ((void)0)
180#endif /* DTRACE_PROBE */
181
182#ifdef DTRACE_PROBE1
183#undef DTRACE_PROBE1
184#define DTRACE_PROBE1(a, b, c) ((void)0)
185#endif /* DTRACE_PROBE1 */
186
187#ifdef DTRACE_PROBE2
188#undef DTRACE_PROBE2
189#define DTRACE_PROBE2(a, b, c, d, e) ((void)0)
190#endif /* DTRACE_PROBE2 */
191
192#ifdef DTRACE_PROBE3
193#undef DTRACE_PROBE3
194#define DTRACE_PROBE3(a, b, c, d, e, f, g) ((void)0)
195#endif /* DTRACE_PROBE3 */
196
197#ifdef DTRACE_PROBE4
198#undef DTRACE_PROBE4
199#define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) ((void)0)
200#endif /* DTRACE_PROBE4 */
201
202/*
203 * Threads
204 */
205#define curthread ((void *)(uintptr_t)thr_self())
206
207typedef struct kthread kthread_t;
208
209#define thread_create(stk, stksize, func, arg, len, pp, state, pri) \
210 zk_thread_create(func, arg)
211#define thread_exit() thr_exit(NULL)
212
213extern kthread_t *zk_thread_create(void (*func)(), void *arg);
214
215#define issig(why) (FALSE)
216#define ISSIG(thr, why) (FALSE)
217
218/*
219 * Mutexes
220 */
221typedef struct kmutex {
222 void *m_owner;
223 boolean_t initialized;
224 mutex_t m_lock;
225} kmutex_t;
226
227#define MUTEX_DEFAULT USYNC_THREAD
228#undef MUTEX_HELD
229#define MUTEX_HELD(m) ((m)->m_owner == curthread)
230
231/*
232 * Argh -- we have to get cheesy here because the kernel and userland
233 * have different signatures for the same routine.
234 */
235//extern int _mutex_init(mutex_t *mp, int type, void *arg);
236//extern int _mutex_destroy(mutex_t *mp);
237
238#define mutex_init(mp, b, c, d) zmutex_init((kmutex_t *)(mp))
239#define mutex_destroy(mp) zmutex_destroy((kmutex_t *)(mp))
240#define mutex_owned(mp) zmutex_owned((kmutex_t *)(mp))
241
242extern void zmutex_init(kmutex_t *mp);
243extern void zmutex_destroy(kmutex_t *mp);
244extern int zmutex_owned(kmutex_t *mp);
245extern void mutex_enter(kmutex_t *mp);
246extern void mutex_exit(kmutex_t *mp);
247extern int mutex_tryenter(kmutex_t *mp);
248extern void *mutex_owner(kmutex_t *mp);
249
250/*
251 * RW locks
252 */
253typedef struct krwlock {
254 int rw_count;
255 void *rw_owner;
256 boolean_t initialized;
257 rwlock_t rw_lock;
258} krwlock_t;
259
260typedef int krw_t;
261
262#define RW_READER 0
263#define RW_WRITER 1
264#define RW_DEFAULT USYNC_THREAD
265
266#undef RW_READ_HELD
267#define RW_READ_HELD(x) ((x)->rw_owner == NULL && (x)->rw_count > 0)
268
269#undef RW_WRITE_HELD
270#define RW_WRITE_HELD(x) ((x)->rw_owner == curthread)
271#define RW_LOCK_HELD(x) rw_lock_held(x)
272
273extern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg);
274extern void rw_destroy(krwlock_t *rwlp);
275extern void rw_enter(krwlock_t *rwlp, krw_t rw);
276extern int rw_tryenter(krwlock_t *rwlp, krw_t rw);
277extern int rw_tryupgrade(krwlock_t *rwlp);
278extern void rw_exit(krwlock_t *rwlp);
279extern int rw_lock_held(krwlock_t *rwlp);
280#define rw_downgrade(rwlp) do { } while (0)
281
282extern uid_t crgetuid(cred_t *cr);
283extern gid_t crgetgid(cred_t *cr);
284extern int crgetngroups(cred_t *cr);
285extern gid_t *crgetgroups(cred_t *cr);
286
287/*
288 * Condition variables
289 */
290typedef cond_t kcondvar_t;
291
292#define CV_DEFAULT USYNC_THREAD
293
294extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg);
295extern void cv_destroy(kcondvar_t *cv);
296extern void cv_wait(kcondvar_t *cv, kmutex_t *mp);
297extern clock_t cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime);
298extern void cv_signal(kcondvar_t *cv);
299extern void cv_broadcast(kcondvar_t *cv);
300
301/*
302 * Kernel memory
303 */
304#define KM_SLEEP UMEM_NOFAIL
305#define KM_PUSHPAGE KM_SLEEP
306#define KM_NOSLEEP UMEM_DEFAULT
307#define KMC_NODEBUG UMC_NODEBUG
308#define kmem_alloc(_s, _f) umem_alloc(_s, _f)
309#define kmem_zalloc(_s, _f) umem_zalloc(_s, _f)
310#define kmem_free(_b, _s) umem_free(_b, _s)
311#define kmem_size() (physmem * PAGESIZE)
312#define kmem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) \
313 umem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i)
314#define kmem_cache_destroy(_c) umem_cache_destroy(_c)
315#define kmem_cache_alloc(_c, _f) umem_cache_alloc(_c, _f)
316#define kmem_cache_free(_c, _b) umem_cache_free(_c, _b)
317#define kmem_debugging() 0
318#define kmem_cache_reap_now(c)
319
320typedef umem_cache_t kmem_cache_t;
321
322/*
323 * Task queues
324 */
325typedef struct taskq taskq_t;
326typedef uintptr_t taskqid_t;
327typedef void (task_func_t)(void *);
328
329#define TASKQ_PREPOPULATE 0x0001
330#define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */
331#define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */
332
333#define TQ_SLEEP KM_SLEEP /* Can block for memory */
334#define TQ_NOSLEEP KM_NOSLEEP /* cannot block for memory; may fail */
335#define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */
336
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342
343#define XVA_MAPSIZE 3
344#define XVA_MAGIC 0x78766174
345
346/*
347 * vnodes
348 */
349typedef struct vnode {
350 uint64_t v_size;
351 int v_fd;
352 char *v_path;
353} vnode_t;
354
355
356typedef struct xoptattr {
357 timestruc_t xoa_createtime; /* Create time of file */
358 uint8_t xoa_archive;
359 uint8_t xoa_system;
360 uint8_t xoa_readonly;
361 uint8_t xoa_hidden;
362 uint8_t xoa_nounlink;
363 uint8_t xoa_immutable;
364 uint8_t xoa_appendonly;
365 uint8_t xoa_nodump;
366 uint8_t xoa_settable;
367 uint8_t xoa_opaque;
368 uint8_t xoa_av_quarantined;
369 uint8_t xoa_av_modified;
370} xoptattr_t;
371
372typedef struct vattr {
373 uint_t va_mask; /* bit-mask of attributes */
374 u_offset_t va_size; /* file size in bytes */
375} vattr_t;
376
377
378typedef struct xvattr {
379 vattr_t xva_vattr; /* Embedded vattr structure */
380 uint32_t xva_magic; /* Magic Number */
381 uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */
382 uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */
383 uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */
384 uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */
385 xoptattr_t xva_xoptattrs; /* Optional attributes */
386} xvattr_t;
387
388typedef struct vsecattr {
389 uint_t vsa_mask; /* See below */
390 int vsa_aclcnt; /* ACL entry count */
391 void *vsa_aclentp; /* pointer to ACL entries */
392 int vsa_dfaclcnt; /* default ACL entry count */
393 void *vsa_dfaclentp; /* pointer to default ACL entries */
394 size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */
395} vsecattr_t;
396
397#define AT_TYPE 0x00001
398#define AT_MODE 0x00002
399#define AT_UID 0x00004
400#define AT_GID 0x00008
401#define AT_FSID 0x00010
402#define AT_NODEID 0x00020
403#define AT_NLINK 0x00040
404#define AT_SIZE 0x00080
405#define AT_ATIME 0x00100
406#define AT_MTIME 0x00200
407#define AT_CTIME 0x00400
408#define AT_RDEV 0x00800
409#define AT_BLKSIZE 0x01000
410#define AT_NBLOCKS 0x02000
411#define AT_SEQ 0x08000
412#define AT_XVATTR 0x10000
413
414#define CRCREAT 0
415
416#define VOP_CLOSE(vp, f, c, o, cr, ct) 0
417#define VOP_PUTPAGE(vp, of, sz, fl, cr, ct) 0
418#define VOP_GETATTR(vp, vap, cr) ((vap)->va_size = (vp)->v_size, 0)
419
420#define VOP_FSYNC(vp, f, cr, ct) fsync((vp)->v_fd)
421
422#define VN_RELE(vp) vn_close(vp, 0, NULL, NULL)
423#define VN_RELE_ASYNC(vp, taskq) vn_close(vp, 0, NULL, NULL)
424
425#define vn_lock(vp, type)
426#define VOP_UNLOCK(vp, type)
427#ifdef VFS_LOCK_GIANT
428#undef VFS_LOCK_GIANT
429#endif
430#define VFS_LOCK_GIANT(mp) 0
431#ifdef VFS_UNLOCK_GIANT
432#undef VFS_UNLOCK_GIANT
433#endif
434#define VFS_UNLOCK_GIANT(vfslocked)
435
436extern int vn_open(char *path, int x1, int oflags, int mode, vnode_t **vpp,
437 int x2, int x3);
438extern int vn_openat(char *path, int x1, int oflags, int mode, vnode_t **vpp,
439 int x2, int x3, vnode_t *vp, int fd);
440extern int vn_rdwr(int uio, vnode_t *vp, void *addr, ssize_t len,
441 offset_t offset, int x1, int x2, rlim64_t x3, void *x4, ssize_t *residp);
442extern void vn_close(vnode_t *vp, int openflag, cred_t *cr, kthread_t *td);
443
444#define vn_remove(path, x1, x2) remove(path)
445#define vn_rename(from, to, seg) rename((from), (to))
446#define vn_is_readonly(vp) B_FALSE
447
448extern vnode_t *rootdir;
449
450#include <sys/file.h> /* for FREAD, FWRITE, etc */
451#define FTRUNC O_TRUNC
452
453/*
454 * Random stuff
455 */
456#define lbolt (gethrtime() >> 23)
457#define lbolt64 (gethrtime() >> 23)
458//#define hz 119 /* frequency when using gethrtime() >> 23 for lbolt */
459
460extern void delay(clock_t ticks);
461
462#define gethrestime_sec() time(NULL)
463
464#define max_ncpus 64
465
466#define minclsyspri 60
467#define maxclsyspri 99
468
469#define CPU_SEQID (thr_self() & (max_ncpus - 1))
470
471#ifndef ptob
472#define ptob(x) ((x) * PAGESIZE)
473#endif
474
475extern uint64_t physmem;
476
477extern int highbit(ulong_t i);
478extern int random_get_bytes(uint8_t *ptr, size_t len);
479extern int random_get_pseudo_bytes(uint8_t *ptr, size_t len);
480
481extern void kernel_init(int);
482extern void kernel_fini(void);
483
484struct spa;
485extern void nicenum(uint64_t num, char *buf);
486extern void show_pool_stats(struct spa *);
487
488typedef struct callb_cpr {
489 kmutex_t *cc_lockp;
490} callb_cpr_t;
491
492#define CALLB_CPR_INIT(cp, lockp, func, name) { \
493 (cp)->cc_lockp = lockp; \
494}
495
496#define CALLB_CPR_SAFE_BEGIN(cp) { \
497 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
498}
499
500#define CALLB_CPR_SAFE_END(cp, lockp) { \
501 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
502}
503
504#define CALLB_CPR_EXIT(cp) { \
505 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
506 mutex_exit((cp)->cc_lockp); \
507}
508
509#define zone_dataset_visible(x, y) (1)
510#define INGLOBALZONE(z) (1)
511
512/*
513 * Hostname information
514 */
515extern struct utsname utsname;
516extern char hw_serial[];
517extern int ddi_strtoul(const char *str, char **nptr, int base,
518 unsigned long *result);
519
520/* ZFS Boot Related stuff. */
521
522struct _buf {
523 intptr_t _fd;
524};
525
526struct bootstat {
527 uint64_t st_size;
528};
529
530typedef struct ace_object {
531 uid_t a_who;
532 uint32_t a_access_mask;
533 uint16_t a_flags;
534 uint16_t a_type;
535 uint8_t a_obj_type[16];
536 uint8_t a_inherit_obj_type[16];
537} ace_object_t;
538
539
540#define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05
541#define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE 0x06
542#define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07
543#define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08
544
545extern struct _buf *kobj_open_file(char *name);
546extern int kobj_read_file(struct _buf *file, char *buf, unsigned size,
547 unsigned off);
548extern void kobj_close_file(struct _buf *file);
549extern int kobj_get_filesize(struct _buf *file, uint64_t *size);
550extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr);
551extern int zfs_secpolicy_rename_perms(const char *from, const char *to,
552 cred_t *cr);
553extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr);
554extern zoneid_t getzoneid(void);
555/* Random compatibility stuff. */
556#define lbolt (gethrtime() >> 23)
557#define lbolt64 (gethrtime() >> 23)
558
559extern int hz;
560extern uint64_t physmem;
561
562#define gethrestime_sec() time(NULL)
563
564#define pwrite64(d, p, n, o) pwrite(d, p, n, o)
565#define readdir64(d) readdir(d)
566#define SIGPENDING(td) (0)
567#define root_mount_wait() do { } while (0)
568#define root_mounted() (1)
569
570struct file {
571 void *dummy;
572};
573
574#define FCREAT O_CREAT
575#define FOFFMAX 0x0
576
577/* SID stuff */
578typedef struct ksiddomain {
579 uint_t kd_ref;
580 uint_t kd_len;
581 char *kd_name;
582} ksiddomain_t;
583
584ksiddomain_t *ksid_lookupdomain(const char *);
585void ksiddomain_rele(ksiddomain_t *);
586
587#define SX_SYSINIT(name, lock, desc)
588
589#define SYSCTL_DECL(...)
590#define SYSCTL_NODE(...)
591#define SYSCTL_INT(...)
592#define SYSCTL_UINT(...)
593#define SYSCTL_ULONG(...)
594#define SYSCTL_QUAD(...)
595#ifdef TUNABLE_INT
596#undef TUNABLE_INT
597#undef TUNABLE_ULONG
598#undef TUNABLE_QUAD
599#endif
600#define TUNABLE_INT(...)
601#define TUNABLE_ULONG(...)
602#define TUNABLE_QUAD(...)
603
604/* Errors */
605
606#ifndef ERESTART
607#define ERESTART (-1)
608#endif
609
610#ifdef __cplusplus
611}
612#endif
613
614#endif /* _SYS_ZFS_CONTEXT_H */
| 345
346#define XVA_MAPSIZE 3
347#define XVA_MAGIC 0x78766174
348
349/*
350 * vnodes
351 */
352typedef struct vnode {
353 uint64_t v_size;
354 int v_fd;
355 char *v_path;
356} vnode_t;
357
358
359typedef struct xoptattr {
360 timestruc_t xoa_createtime; /* Create time of file */
361 uint8_t xoa_archive;
362 uint8_t xoa_system;
363 uint8_t xoa_readonly;
364 uint8_t xoa_hidden;
365 uint8_t xoa_nounlink;
366 uint8_t xoa_immutable;
367 uint8_t xoa_appendonly;
368 uint8_t xoa_nodump;
369 uint8_t xoa_settable;
370 uint8_t xoa_opaque;
371 uint8_t xoa_av_quarantined;
372 uint8_t xoa_av_modified;
373} xoptattr_t;
374
375typedef struct vattr {
376 uint_t va_mask; /* bit-mask of attributes */
377 u_offset_t va_size; /* file size in bytes */
378} vattr_t;
379
380
381typedef struct xvattr {
382 vattr_t xva_vattr; /* Embedded vattr structure */
383 uint32_t xva_magic; /* Magic Number */
384 uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */
385 uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */
386 uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */
387 uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */
388 xoptattr_t xva_xoptattrs; /* Optional attributes */
389} xvattr_t;
390
391typedef struct vsecattr {
392 uint_t vsa_mask; /* See below */
393 int vsa_aclcnt; /* ACL entry count */
394 void *vsa_aclentp; /* pointer to ACL entries */
395 int vsa_dfaclcnt; /* default ACL entry count */
396 void *vsa_dfaclentp; /* pointer to default ACL entries */
397 size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */
398} vsecattr_t;
399
400#define AT_TYPE 0x00001
401#define AT_MODE 0x00002
402#define AT_UID 0x00004
403#define AT_GID 0x00008
404#define AT_FSID 0x00010
405#define AT_NODEID 0x00020
406#define AT_NLINK 0x00040
407#define AT_SIZE 0x00080
408#define AT_ATIME 0x00100
409#define AT_MTIME 0x00200
410#define AT_CTIME 0x00400
411#define AT_RDEV 0x00800
412#define AT_BLKSIZE 0x01000
413#define AT_NBLOCKS 0x02000
414#define AT_SEQ 0x08000
415#define AT_XVATTR 0x10000
416
417#define CRCREAT 0
418
419#define VOP_CLOSE(vp, f, c, o, cr, ct) 0
420#define VOP_PUTPAGE(vp, of, sz, fl, cr, ct) 0
421#define VOP_GETATTR(vp, vap, cr) ((vap)->va_size = (vp)->v_size, 0)
422
423#define VOP_FSYNC(vp, f, cr, ct) fsync((vp)->v_fd)
424
425#define VN_RELE(vp) vn_close(vp, 0, NULL, NULL)
426#define VN_RELE_ASYNC(vp, taskq) vn_close(vp, 0, NULL, NULL)
427
428#define vn_lock(vp, type)
429#define VOP_UNLOCK(vp, type)
430#ifdef VFS_LOCK_GIANT
431#undef VFS_LOCK_GIANT
432#endif
433#define VFS_LOCK_GIANT(mp) 0
434#ifdef VFS_UNLOCK_GIANT
435#undef VFS_UNLOCK_GIANT
436#endif
437#define VFS_UNLOCK_GIANT(vfslocked)
438
439extern int vn_open(char *path, int x1, int oflags, int mode, vnode_t **vpp,
440 int x2, int x3);
441extern int vn_openat(char *path, int x1, int oflags, int mode, vnode_t **vpp,
442 int x2, int x3, vnode_t *vp, int fd);
443extern int vn_rdwr(int uio, vnode_t *vp, void *addr, ssize_t len,
444 offset_t offset, int x1, int x2, rlim64_t x3, void *x4, ssize_t *residp);
445extern void vn_close(vnode_t *vp, int openflag, cred_t *cr, kthread_t *td);
446
447#define vn_remove(path, x1, x2) remove(path)
448#define vn_rename(from, to, seg) rename((from), (to))
449#define vn_is_readonly(vp) B_FALSE
450
451extern vnode_t *rootdir;
452
453#include <sys/file.h> /* for FREAD, FWRITE, etc */
454#define FTRUNC O_TRUNC
455
456/*
457 * Random stuff
458 */
459#define lbolt (gethrtime() >> 23)
460#define lbolt64 (gethrtime() >> 23)
461//#define hz 119 /* frequency when using gethrtime() >> 23 for lbolt */
462
463extern void delay(clock_t ticks);
464
465#define gethrestime_sec() time(NULL)
466
467#define max_ncpus 64
468
469#define minclsyspri 60
470#define maxclsyspri 99
471
472#define CPU_SEQID (thr_self() & (max_ncpus - 1))
473
474#ifndef ptob
475#define ptob(x) ((x) * PAGESIZE)
476#endif
477
478extern uint64_t physmem;
479
480extern int highbit(ulong_t i);
481extern int random_get_bytes(uint8_t *ptr, size_t len);
482extern int random_get_pseudo_bytes(uint8_t *ptr, size_t len);
483
484extern void kernel_init(int);
485extern void kernel_fini(void);
486
487struct spa;
488extern void nicenum(uint64_t num, char *buf);
489extern void show_pool_stats(struct spa *);
490
491typedef struct callb_cpr {
492 kmutex_t *cc_lockp;
493} callb_cpr_t;
494
495#define CALLB_CPR_INIT(cp, lockp, func, name) { \
496 (cp)->cc_lockp = lockp; \
497}
498
499#define CALLB_CPR_SAFE_BEGIN(cp) { \
500 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
501}
502
503#define CALLB_CPR_SAFE_END(cp, lockp) { \
504 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
505}
506
507#define CALLB_CPR_EXIT(cp) { \
508 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
509 mutex_exit((cp)->cc_lockp); \
510}
511
512#define zone_dataset_visible(x, y) (1)
513#define INGLOBALZONE(z) (1)
514
515/*
516 * Hostname information
517 */
518extern struct utsname utsname;
519extern char hw_serial[];
520extern int ddi_strtoul(const char *str, char **nptr, int base,
521 unsigned long *result);
522
523/* ZFS Boot Related stuff. */
524
525struct _buf {
526 intptr_t _fd;
527};
528
529struct bootstat {
530 uint64_t st_size;
531};
532
533typedef struct ace_object {
534 uid_t a_who;
535 uint32_t a_access_mask;
536 uint16_t a_flags;
537 uint16_t a_type;
538 uint8_t a_obj_type[16];
539 uint8_t a_inherit_obj_type[16];
540} ace_object_t;
541
542
543#define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05
544#define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE 0x06
545#define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07
546#define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08
547
548extern struct _buf *kobj_open_file(char *name);
549extern int kobj_read_file(struct _buf *file, char *buf, unsigned size,
550 unsigned off);
551extern void kobj_close_file(struct _buf *file);
552extern int kobj_get_filesize(struct _buf *file, uint64_t *size);
553extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr);
554extern int zfs_secpolicy_rename_perms(const char *from, const char *to,
555 cred_t *cr);
556extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr);
557extern zoneid_t getzoneid(void);
558/* Random compatibility stuff. */
559#define lbolt (gethrtime() >> 23)
560#define lbolt64 (gethrtime() >> 23)
561
562extern int hz;
563extern uint64_t physmem;
564
565#define gethrestime_sec() time(NULL)
566
567#define pwrite64(d, p, n, o) pwrite(d, p, n, o)
568#define readdir64(d) readdir(d)
569#define SIGPENDING(td) (0)
570#define root_mount_wait() do { } while (0)
571#define root_mounted() (1)
572
573struct file {
574 void *dummy;
575};
576
577#define FCREAT O_CREAT
578#define FOFFMAX 0x0
579
580/* SID stuff */
581typedef struct ksiddomain {
582 uint_t kd_ref;
583 uint_t kd_len;
584 char *kd_name;
585} ksiddomain_t;
586
587ksiddomain_t *ksid_lookupdomain(const char *);
588void ksiddomain_rele(ksiddomain_t *);
589
590#define SX_SYSINIT(name, lock, desc)
591
592#define SYSCTL_DECL(...)
593#define SYSCTL_NODE(...)
594#define SYSCTL_INT(...)
595#define SYSCTL_UINT(...)
596#define SYSCTL_ULONG(...)
597#define SYSCTL_QUAD(...)
598#ifdef TUNABLE_INT
599#undef TUNABLE_INT
600#undef TUNABLE_ULONG
601#undef TUNABLE_QUAD
602#endif
603#define TUNABLE_INT(...)
604#define TUNABLE_ULONG(...)
605#define TUNABLE_QUAD(...)
606
607/* Errors */
608
609#ifndef ERESTART
610#define ERESTART (-1)
611#endif
612
613#ifdef __cplusplus
614}
615#endif
616
617#endif /* _SYS_ZFS_CONTEXT_H */
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