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8115 parallel zfs mount
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--- old/usr/src/lib/libzpool/common/sys/zfs_context.h
+++ new/usr/src/lib/libzpool/common/sys/zfs_context.h
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
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16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21 /*
22 22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
23 23 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
24 24 * Copyright (c) 2012, 2016 by Delphix. All rights reserved.
25 25 * Copyright (c) 2012, Joyent, Inc. All rights reserved.
26 + * Copyright 2017 RackTop Systems.
26 27 */
27 28
28 29 #ifndef _SYS_ZFS_CONTEXT_H
29 30 #define _SYS_ZFS_CONTEXT_H
30 31
31 32 #ifdef __cplusplus
32 33 extern "C" {
33 34 #endif
34 35
35 -#define _SYS_MUTEX_H
36 -#define _SYS_RWLOCK_H
37 -#define _SYS_CONDVAR_H
38 -#define _SYS_SYSTM_H
39 -#define _SYS_T_LOCK_H
36 +#define _SYNCH_H
37 +
40 38 #define _SYS_VNODE_H
41 39 #define _SYS_VFS_H
42 -#define _SYS_SUNDDI_H
43 40 #define _SYS_CALLB_H
44 41
45 42 #include <stdio.h>
46 43 #include <stdlib.h>
47 44 #include <stddef.h>
48 45 #include <stdarg.h>
49 46 #include <fcntl.h>
50 47 #include <unistd.h>
51 48 #include <errno.h>
52 49 #include <string.h>
53 50 #include <strings.h>
54 -#include <synch.h>
55 51 #include <thread.h>
56 52 #include <assert.h>
57 53 #include <alloca.h>
58 54 #include <umem.h>
59 55 #include <limits.h>
60 56 #include <atomic.h>
61 57 #include <dirent.h>
62 58 #include <time.h>
63 59 #include <procfs.h>
64 60 #include <pthread.h>
65 61 #include <setjmp.h>
66 62 #include <sys/debug.h>
67 63 #include <libsysevent.h>
68 64 #include <sys/note.h>
69 65 #include <sys/types.h>
70 66 #include <sys/cred.h>
71 67 #include <sys/sysmacros.h>
72 68 #include <sys/bitmap.h>
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73 69 #include <sys/resource.h>
74 70 #include <sys/byteorder.h>
75 71 #include <sys/list.h>
76 72 #include <sys/uio.h>
77 73 #include <sys/zfs_debug.h>
78 74 #include <sys/sdt.h>
79 75 #include <sys/kstat.h>
80 76 #include <sys/u8_textprep.h>
81 77 #include <sys/sysevent/eventdefs.h>
82 78 #include <sys/sysevent/dev.h>
83 -#include <sys/sunddi.h>
84 79 #include <sys/debug.h>
80 +#include <sys/taskq.h>
81 +#include <sys/taskq_impl.h>
82 +#include <sys/mutex.h>
83 +#include <sys/proc.h>
84 +#include <sys/condvar.h>
85 +#include <sys/cmn_err.h>
86 +#include <sys/kmem.h>
87 +#include <sys/systm.h>
88 +#include <sys/random.h>
89 +#include <sys/buf.h>
90 +#include <sys/sid.h>
91 +#include <sys/acl.h>
92 +#include <sys/bitmap.h>
93 +#include <sys/systeminfo.h>
94 +#include <sys/cpuvar.h>
95 +#include <sys/pset.h>
96 +#include <sys/kobj.h>
97 +#include <sys/fm/util.h>
85 98 #include "zfs.h"
86 99
87 100 /*
88 - * Debugging
89 - */
90 -
91 -/*
92 - * Note that we are not using the debugging levels.
93 - */
94 -
95 -#define CE_CONT 0 /* continuation */
96 -#define CE_NOTE 1 /* notice */
97 -#define CE_WARN 2 /* warning */
98 -#define CE_PANIC 3 /* panic */
99 -#define CE_IGNORE 4 /* print nothing */
100 -
101 -/*
102 101 * ZFS debugging
103 102 */
104 103
105 104 #ifdef ZFS_DEBUG
106 105 extern void dprintf_setup(int *argc, char **argv);
107 106 #endif /* ZFS_DEBUG */
108 107
109 -extern void cmn_err(int, const char *, ...);
110 -extern void vcmn_err(int, const char *, __va_list);
111 -extern void panic(const char *, ...) __NORETURN;
112 -extern void vpanic(const char *, __va_list) __NORETURN;
113 -
114 -#define fm_panic panic
115 -
116 -extern int aok;
117 -
118 108 /*
119 109 * DTrace SDT probes have different signatures in userland than they do in
120 110 * the kernel. If they're being used in kernel code, re-define them out of
121 111 * existence for their counterparts in libzpool.
122 112 *
123 113 * Here's an example of how to use the set-error probes in userland:
124 114 * zfs$target:::set-error /arg0 == EBUSY/ {stack();}
125 115 *
126 116 * Here's an example of how to use DTRACE_PROBE probes in userland:
127 117 * If there is a probe declared as follows:
128 118 * DTRACE_PROBE2(zfs__probe_name, uint64_t, blkid, dnode_t *, dn);
129 119 * Then you can use it as follows:
130 120 * zfs$target:::probe2 /copyinstr(arg0) == "zfs__probe_name"/
131 121 * {printf("%u %p\n", arg1, arg2);}
132 122 */
133 123
134 124 #ifdef DTRACE_PROBE
135 125 #undef DTRACE_PROBE
136 126 #endif /* DTRACE_PROBE */
137 127 #define DTRACE_PROBE(a) \
138 128 ZFS_PROBE0(#a)
139 129
140 130 #ifdef DTRACE_PROBE1
141 131 #undef DTRACE_PROBE1
142 132 #endif /* DTRACE_PROBE1 */
143 133 #define DTRACE_PROBE1(a, b, c) \
144 134 ZFS_PROBE1(#a, (unsigned long)c)
145 135
146 136 #ifdef DTRACE_PROBE2
147 137 #undef DTRACE_PROBE2
148 138 #endif /* DTRACE_PROBE2 */
149 139 #define DTRACE_PROBE2(a, b, c, d, e) \
150 140 ZFS_PROBE2(#a, (unsigned long)c, (unsigned long)e)
151 141
152 142 #ifdef DTRACE_PROBE3
153 143 #undef DTRACE_PROBE3
154 144 #endif /* DTRACE_PROBE3 */
155 145 #define DTRACE_PROBE3(a, b, c, d, e, f, g) \
156 146 ZFS_PROBE3(#a, (unsigned long)c, (unsigned long)e, (unsigned long)g)
157 147
158 148 #ifdef DTRACE_PROBE4
159 149 #undef DTRACE_PROBE4
160 150 #endif /* DTRACE_PROBE4 */
161 151 #define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) \
162 152 ZFS_PROBE4(#a, (unsigned long)c, (unsigned long)e, (unsigned long)g, \
163 153 (unsigned long)i)
164 154
165 155 /*
166 156 * We use the comma operator so that this macro can be used without much
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167 157 * additional code. For example, "return (EINVAL);" becomes
168 158 * "return (SET_ERROR(EINVAL));". Note that the argument will be evaluated
169 159 * twice, so it should not have side effects (e.g. something like:
170 160 * "return (SET_ERROR(log_error(EINVAL, info)));" would log the error twice).
171 161 */
172 162 #define SET_ERROR(err) (ZFS_SET_ERROR(err), err)
173 163
174 164 /*
175 165 * Threads
176 166 */
177 -#define curthread ((void *)(uintptr_t)thr_self())
178 -
179 167 #define kpreempt(x) yield()
180 -
181 -typedef struct kthread kthread_t;
182 -
183 -#define thread_create(stk, stksize, func, arg, len, pp, state, pri) \
184 - zk_thread_create(func, arg, len)
185 -#define thread_exit() thr_exit(NULL)
186 -#define thread_join(t) panic("libzpool cannot join threads")
187 -
188 168 #define newproc(f, a, cid, pri, ctp, pid) (ENOSYS)
189 169
190 -/* in libzpool, p0 exists only to have its address taken */
191 -struct proc {
192 - uintptr_t this_is_never_used_dont_dereference_it;
193 -};
194 -
195 -extern struct proc p0;
196 -#define curproc (&p0)
197 -
198 -#define PS_NONE -1
199 -
200 -extern kthread_t *zk_thread_create(void (*func)(void*), void *arg,
201 - uint64_t len);
202 -
203 -#define issig(why) (FALSE)
204 -#define ISSIG(thr, why) (FALSE)
205 -
206 170 /*
207 - * Mutexes
171 + * vnodes
208 172 */
209 -typedef struct kmutex {
210 - void *m_owner;
211 - boolean_t initialized;
212 - mutex_t m_lock;
213 -} kmutex_t;
214 -
215 -#define MUTEX_DEFAULT USYNC_THREAD
216 -#undef MUTEX_HELD
217 -#undef MUTEX_NOT_HELD
218 -#define MUTEX_HELD(m) _mutex_held(&(m)->m_lock)
219 -#define MUTEX_NOT_HELD(m) (!MUTEX_HELD(m))
220 -
221 -/*
222 - * Argh -- we have to get cheesy here because the kernel and userland
223 - * have different signatures for the same routine.
224 - */
225 -extern int _mutex_init(mutex_t *mp, int type, void *arg);
226 -extern int _mutex_destroy(mutex_t *mp);
227 -
228 -#define mutex_init(mp, b, c, d) zmutex_init((kmutex_t *)(mp))
229 -#define mutex_destroy(mp) zmutex_destroy((kmutex_t *)(mp))
230 -#define mutex_enter(mp) zmutex_enter(mp)
231 -#define mutex_exit(mp) zmutex_exit(mp)
232 -
233 -extern void zmutex_init(kmutex_t *mp);
234 -extern void zmutex_destroy(kmutex_t *mp);
235 -extern void zmutex_enter(kmutex_t *mp);
236 -extern void zmutex_exit(kmutex_t *mp);
237 -extern int mutex_tryenter(kmutex_t *mp);
238 -extern void *mutex_owner(kmutex_t *mp);
239 -
240 -/*
241 - * RW locks
242 - */
243 -typedef struct krwlock {
244 - void *rw_owner;
245 - boolean_t initialized;
246 - rwlock_t rw_lock;
247 -} krwlock_t;
248 -
249 -typedef int krw_t;
250 -
251 -#define RW_READER 0
252 -#define RW_WRITER 1
253 -#define RW_DEFAULT USYNC_THREAD
254 -
255 -#undef RW_READ_HELD
256 -#define RW_READ_HELD(x) _rw_read_held(&(x)->rw_lock)
257 -
258 -#undef RW_WRITE_HELD
259 -#define RW_WRITE_HELD(x) _rw_write_held(&(x)->rw_lock)
260 -
261 -#undef RW_LOCK_HELD
262 -#define RW_LOCK_HELD(x) (RW_READ_HELD(x) || RW_WRITE_HELD(x))
263 -
264 -extern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg);
265 -extern void rw_destroy(krwlock_t *rwlp);
266 -extern void rw_enter(krwlock_t *rwlp, krw_t rw);
267 -extern int rw_tryenter(krwlock_t *rwlp, krw_t rw);
268 -extern int rw_tryupgrade(krwlock_t *rwlp);
269 -extern void rw_exit(krwlock_t *rwlp);
270 -#define rw_downgrade(rwlp) do { } while (0)
271 -
272 -extern uid_t crgetuid(cred_t *cr);
273 -extern uid_t crgetruid(cred_t *cr);
274 -extern gid_t crgetgid(cred_t *cr);
275 -extern int crgetngroups(cred_t *cr);
276 -extern gid_t *crgetgroups(cred_t *cr);
277 -
278 -/*
279 - * Condition variables
280 - */
281 -typedef cond_t kcondvar_t;
282 -
283 -#define CV_DEFAULT USYNC_THREAD
284 -#define CALLOUT_FLAG_ABSOLUTE 0x2
285 -
286 -extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg);
287 -extern void cv_destroy(kcondvar_t *cv);
288 -extern void cv_wait(kcondvar_t *cv, kmutex_t *mp);
289 -extern clock_t cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime);
290 -extern clock_t cv_timedwait_hires(kcondvar_t *cvp, kmutex_t *mp, hrtime_t tim,
291 - hrtime_t res, int flag);
292 -extern void cv_signal(kcondvar_t *cv);
293 -extern void cv_broadcast(kcondvar_t *cv);
294 -
295 -/*
296 - * Thread-specific data
297 - */
298 -#define tsd_get(k) pthread_getspecific(k)
299 -#define tsd_set(k, v) pthread_setspecific(k, v)
300 -#define tsd_create(kp, d) pthread_key_create(kp, d)
301 -#define tsd_destroy(kp) /* nothing */
302 -
303 -/*
304 - * kstat creation, installation and deletion
305 - */
306 -extern kstat_t *kstat_create(const char *, int,
307 - const char *, const char *, uchar_t, ulong_t, uchar_t);
308 -extern void kstat_named_init(kstat_named_t *, const char *, uchar_t);
309 -extern void kstat_install(kstat_t *);
310 -extern void kstat_delete(kstat_t *);
311 -extern void kstat_waitq_enter(kstat_io_t *);
312 -extern void kstat_waitq_exit(kstat_io_t *);
313 -extern void kstat_runq_enter(kstat_io_t *);
314 -extern void kstat_runq_exit(kstat_io_t *);
315 -extern void kstat_waitq_to_runq(kstat_io_t *);
316 -extern void kstat_runq_back_to_waitq(kstat_io_t *);
317 -
318 -/*
319 - * Kernel memory
320 - */
321 -#define KM_SLEEP UMEM_NOFAIL
322 -#define KM_PUSHPAGE KM_SLEEP
323 -#define KM_NOSLEEP UMEM_DEFAULT
324 -#define KM_NORMALPRI 0 /* not needed with UMEM_DEFAULT */
325 -#define KMC_NODEBUG UMC_NODEBUG
326 -#define KMC_NOTOUCH 0 /* not needed for userland caches */
327 -#define kmem_alloc(_s, _f) umem_alloc(_s, _f)
328 -#define kmem_zalloc(_s, _f) umem_zalloc(_s, _f)
329 -#define kmem_free(_b, _s) umem_free(_b, _s)
330 -#define kmem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) \
331 - umem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i)
332 -#define kmem_cache_destroy(_c) umem_cache_destroy(_c)
333 -#define kmem_cache_alloc(_c, _f) umem_cache_alloc(_c, _f)
334 -#define kmem_cache_free(_c, _b) umem_cache_free(_c, _b)
335 -#define kmem_debugging() 0
336 -#define kmem_cache_reap_now(_c) /* nothing */
337 -#define kmem_cache_set_move(_c, _cb) /* nothing */
338 -#define vmem_qcache_reap(_v) /* nothing */
339 -#define POINTER_INVALIDATE(_pp) /* nothing */
340 -#define POINTER_IS_VALID(_p) 0
341 -
342 -extern vmem_t *zio_arena;
343 -
344 -typedef umem_cache_t kmem_cache_t;
345 -
346 -typedef enum kmem_cbrc {
347 - KMEM_CBRC_YES,
348 - KMEM_CBRC_NO,
349 - KMEM_CBRC_LATER,
350 - KMEM_CBRC_DONT_NEED,
351 - KMEM_CBRC_DONT_KNOW
352 -} kmem_cbrc_t;
353 -
354 -/*
355 - * Task queues
356 - */
357 -typedef struct taskq taskq_t;
358 -typedef uintptr_t taskqid_t;
359 -typedef void (task_func_t)(void *);
360 -
361 -typedef struct taskq_ent {
362 - struct taskq_ent *tqent_next;
363 - struct taskq_ent *tqent_prev;
364 - task_func_t *tqent_func;
365 - void *tqent_arg;
366 - uintptr_t tqent_flags;
367 -} taskq_ent_t;
368 -
369 -#define TQENT_FLAG_PREALLOC 0x1 /* taskq_dispatch_ent used */
370 -
371 -#define TASKQ_PREPOPULATE 0x0001
372 -#define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */
373 -#define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */
374 -#define TASKQ_THREADS_CPU_PCT 0x0008 /* Scale # threads by # cpus */
375 -#define TASKQ_DC_BATCH 0x0010 /* Mark threads as batch */
376 -
377 -#define TQ_SLEEP KM_SLEEP /* Can block for memory */
378 -#define TQ_NOSLEEP KM_NOSLEEP /* cannot block for memory; may fail */
379 -#define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */
380 -#define TQ_FRONT 0x08 /* Queue in front */
381 -
382 -
383 -extern taskq_t *system_taskq;
384 -
385 -extern taskq_t *taskq_create(const char *, int, pri_t, int, int, uint_t);
386 -#define taskq_create_proc(a, b, c, d, e, p, f) \
387 - (taskq_create(a, b, c, d, e, f))
388 -#define taskq_create_sysdc(a, b, d, e, p, dc, f) \
389 - (taskq_create(a, b, maxclsyspri, d, e, f))
390 -extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t);
391 -extern void taskq_dispatch_ent(taskq_t *, task_func_t, void *, uint_t,
392 - taskq_ent_t *);
393 -extern void taskq_destroy(taskq_t *);
394 -extern void taskq_wait(taskq_t *);
395 -extern int taskq_member(taskq_t *, void *);
396 -extern void system_taskq_init(void);
397 -extern void system_taskq_fini(void);
398 -
399 173 #define XVA_MAPSIZE 3
400 174 #define XVA_MAGIC 0x78766174
401 175
402 -/*
403 - * vnodes
404 - */
405 176 typedef struct vnode {
406 177 uint64_t v_size;
407 178 int v_fd;
408 179 char *v_path;
409 180 int v_dump_fd;
410 181 } vnode_t;
411 182
412 183 extern char *vn_dumpdir;
413 184 #define AV_SCANSTAMP_SZ 32 /* length of anti-virus scanstamp */
414 185
415 186 typedef struct xoptattr {
416 187 timestruc_t xoa_createtime; /* Create time of file */
417 188 uint8_t xoa_archive;
418 189 uint8_t xoa_system;
419 190 uint8_t xoa_readonly;
420 191 uint8_t xoa_hidden;
421 192 uint8_t xoa_nounlink;
422 193 uint8_t xoa_immutable;
423 194 uint8_t xoa_appendonly;
424 195 uint8_t xoa_nodump;
425 196 uint8_t xoa_settable;
426 197 uint8_t xoa_opaque;
427 198 uint8_t xoa_av_quarantined;
428 199 uint8_t xoa_av_modified;
429 200 uint8_t xoa_av_scanstamp[AV_SCANSTAMP_SZ];
430 201 uint8_t xoa_reparse;
431 202 uint8_t xoa_offline;
432 203 uint8_t xoa_sparse;
433 204 } xoptattr_t;
434 205
435 206 typedef struct vattr {
436 207 uint_t va_mask; /* bit-mask of attributes */
437 208 u_offset_t va_size; /* file size in bytes */
438 209 } vattr_t;
439 210
440 211
441 212 typedef struct xvattr {
442 213 vattr_t xva_vattr; /* Embedded vattr structure */
443 214 uint32_t xva_magic; /* Magic Number */
444 215 uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */
445 216 uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */
446 217 uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */
447 218 uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */
448 219 xoptattr_t xva_xoptattrs; /* Optional attributes */
449 220 } xvattr_t;
450 221
451 222 typedef struct vsecattr {
452 223 uint_t vsa_mask; /* See below */
453 224 int vsa_aclcnt; /* ACL entry count */
454 225 void *vsa_aclentp; /* pointer to ACL entries */
455 226 int vsa_dfaclcnt; /* default ACL entry count */
456 227 void *vsa_dfaclentp; /* pointer to default ACL entries */
457 228 size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */
458 229 } vsecattr_t;
459 230
460 231 #define AT_TYPE 0x00001
461 232 #define AT_MODE 0x00002
462 233 #define AT_UID 0x00004
463 234 #define AT_GID 0x00008
464 235 #define AT_FSID 0x00010
465 236 #define AT_NODEID 0x00020
466 237 #define AT_NLINK 0x00040
467 238 #define AT_SIZE 0x00080
468 239 #define AT_ATIME 0x00100
469 240 #define AT_MTIME 0x00200
470 241 #define AT_CTIME 0x00400
471 242 #define AT_RDEV 0x00800
472 243 #define AT_BLKSIZE 0x01000
473 244 #define AT_NBLOCKS 0x02000
474 245 #define AT_SEQ 0x08000
475 246 #define AT_XVATTR 0x10000
476 247
477 248 #define CRCREAT 0
478 249
479 250 extern int fop_getattr(vnode_t *vp, vattr_t *vap);
480 251
481 252 #define VOP_CLOSE(vp, f, c, o, cr, ct) 0
482 253 #define VOP_PUTPAGE(vp, of, sz, fl, cr, ct) 0
483 254 #define VOP_GETATTR(vp, vap, fl, cr, ct) fop_getattr((vp), (vap));
484 255
485 256 #define VOP_FSYNC(vp, f, cr, ct) fsync((vp)->v_fd)
486 257
487 258 #define VN_RELE(vp) vn_close(vp)
488 259
489 260 extern int vn_open(char *path, int x1, int oflags, int mode, vnode_t **vpp,
490 261 int x2, int x3);
491 262 extern int vn_openat(char *path, int x1, int oflags, int mode, vnode_t **vpp,
492 263 int x2, int x3, vnode_t *vp, int fd);
493 264 extern int vn_rdwr(int uio, vnode_t *vp, void *addr, ssize_t len,
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494 265 offset_t offset, int x1, int x2, rlim64_t x3, void *x4, ssize_t *residp);
495 266 extern void vn_close(vnode_t *vp);
496 267
497 268 #define vn_remove(path, x1, x2) remove(path)
498 269 #define vn_rename(from, to, seg) rename((from), (to))
499 270 #define vn_is_readonly(vp) B_FALSE
500 271
501 272 extern vnode_t *rootdir;
502 273
503 274 #include <sys/file.h> /* for FREAD, FWRITE, etc */
275 +#include <sys/sunddi.h> /* for ddi_strtoul, ddi_strtoull, etc */
276 +#include <sys/cyclic.h> /* for cyclic_add, cyclic remove, etc */
277 +#include <vm/seg_kmem.h> /* for zio_arena */
504 278
505 279 /*
506 280 * Random stuff
507 281 */
508 -#define ddi_get_lbolt() (gethrtime() >> 23)
509 -#define ddi_get_lbolt64() (gethrtime() >> 23)
510 -#define hz 119 /* frequency when using gethrtime() >> 23 for lbolt */
511 -
512 -extern void delay(clock_t ticks);
513 -
514 -#define SEC_TO_TICK(sec) ((sec) * hz)
515 -#define NSEC_TO_TICK(usec) ((usec) / (NANOSEC / hz))
516 -
517 -#define gethrestime_sec() time(NULL)
518 -#define gethrestime(t) \
519 - do {\
520 - (t)->tv_sec = gethrestime_sec();\
521 - (t)->tv_nsec = 0;\
522 - } while (0);
523 -
524 282 #define max_ncpus 64
525 283 #define boot_ncpus (sysconf(_SC_NPROCESSORS_ONLN))
526 284
527 285 #define minclsyspri 60
528 286 #define maxclsyspri 99
529 287
530 288 #define CPU_SEQID (thr_self() & (max_ncpus - 1))
531 289
532 -#define kcred NULL
533 -#define CRED() NULL
534 -
535 -#define ptob(x) ((x) * PAGESIZE)
536 -
537 -extern uint64_t physmem;
538 -
539 -extern int highbit64(uint64_t i);
540 -extern int random_get_bytes(uint8_t *ptr, size_t len);
541 -extern int random_get_pseudo_bytes(uint8_t *ptr, size_t len);
542 -
543 290 extern void kernel_init(int);
544 291 extern void kernel_fini(void);
545 292
546 293 struct spa;
547 -extern void nicenum(uint64_t num, char *buf, size_t);
548 294 extern void show_pool_stats(struct spa *);
549 295 extern int set_global_var(char *arg);
550 296
551 297 typedef struct callb_cpr {
552 298 kmutex_t *cc_lockp;
553 299 } callb_cpr_t;
554 300
555 301 #define CALLB_CPR_INIT(cp, lockp, func, name) { \
556 302 (cp)->cc_lockp = lockp; \
557 303 }
558 304
559 305 #define CALLB_CPR_SAFE_BEGIN(cp) { \
560 306 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
561 307 }
562 308
563 309 #define CALLB_CPR_SAFE_END(cp, lockp) { \
564 310 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
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565 311 }
566 312
567 313 #define CALLB_CPR_EXIT(cp) { \
568 314 ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
569 315 mutex_exit((cp)->cc_lockp); \
570 316 }
571 317
572 318 #define zone_dataset_visible(x, y) (1)
573 319 #define INGLOBALZONE(z) (1)
574 320
575 -extern char *kmem_asprintf(const char *fmt, ...);
576 -#define strfree(str) kmem_free((str), strlen(str) + 1)
577 -
578 -/*
579 - * Hostname information
580 - */
581 -extern char hw_serial[]; /* for userland-emulated hostid access */
582 -extern int ddi_strtoul(const char *str, char **nptr, int base,
583 - unsigned long *result);
584 -
585 -extern int ddi_strtoull(const char *str, char **nptr, int base,
586 - u_longlong_t *result);
587 -
588 -/* ZFS Boot Related stuff. */
589 -
590 -struct _buf {
591 - intptr_t _fd;
592 -};
593 -
594 -struct bootstat {
595 - uint64_t st_size;
596 -};
597 -
598 -typedef struct ace_object {
599 - uid_t a_who;
600 - uint32_t a_access_mask;
601 - uint16_t a_flags;
602 - uint16_t a_type;
603 - uint8_t a_obj_type[16];
604 - uint8_t a_inherit_obj_type[16];
605 -} ace_object_t;
606 -
607 -
608 -#define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05
609 -#define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE 0x06
610 -#define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07
611 -#define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08
612 -
613 -extern struct _buf *kobj_open_file(char *name);
614 -extern int kobj_read_file(struct _buf *file, char *buf, unsigned size,
615 - unsigned off);
616 -extern void kobj_close_file(struct _buf *file);
617 -extern int kobj_get_filesize(struct _buf *file, uint64_t *size);
618 321 extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr);
619 322 extern int zfs_secpolicy_rename_perms(const char *from, const char *to,
620 323 cred_t *cr);
621 324 extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr);
622 -extern zoneid_t getzoneid(void);
623 325
624 -/* SID stuff */
625 -typedef struct ksiddomain {
626 - uint_t kd_ref;
627 - uint_t kd_len;
628 - char *kd_name;
629 -} ksiddomain_t;
630 -
631 -ksiddomain_t *ksid_lookupdomain(const char *);
632 -void ksiddomain_rele(ksiddomain_t *);
633 -
634 -#define DDI_SLEEP KM_SLEEP
635 326 #define ddi_log_sysevent(_a, _b, _c, _d, _e, _f, _g) \
636 327 sysevent_post_event(_c, _d, _b, "libzpool", _e, _f)
637 328
638 -/*
639 - * Cyclic information
640 - */
641 -extern kmutex_t cpu_lock;
642 -
643 -typedef uintptr_t cyclic_id_t;
644 -typedef uint16_t cyc_level_t;
645 -typedef void (*cyc_func_t)(void *);
646 -
647 -#define CY_LOW_LEVEL 0
648 -#define CY_INFINITY INT64_MAX
649 -#define CYCLIC_NONE ((cyclic_id_t)0)
650 -
651 -typedef struct cyc_time {
652 - hrtime_t cyt_when;
653 - hrtime_t cyt_interval;
654 -} cyc_time_t;
655 -
656 -typedef struct cyc_handler {
657 - cyc_func_t cyh_func;
658 - void *cyh_arg;
659 - cyc_level_t cyh_level;
660 -} cyc_handler_t;
661 -
662 -extern cyclic_id_t cyclic_add(cyc_handler_t *, cyc_time_t *);
663 -extern void cyclic_remove(cyclic_id_t);
664 -extern int cyclic_reprogram(cyclic_id_t, hrtime_t);
665 -
666 -/*
667 - * Buf structure
668 - */
669 -#define B_BUSY 0x0001
670 -#define B_DONE 0x0002
671 -#define B_ERROR 0x0004
672 -#define B_READ 0x0040 /* read when I/O occurs */
673 -#define B_WRITE 0x0100 /* non-read pseudo-flag */
674 -
675 -typedef struct buf {
676 - int b_flags;
677 - size_t b_bcount;
678 - union {
679 - caddr_t b_addr;
680 - } b_un;
681 -
682 - lldaddr_t _b_blkno;
683 -#define b_lblkno _b_blkno._f
684 - size_t b_resid;
685 - size_t b_bufsize;
686 - int (*b_iodone)(struct buf *);
687 - int b_error;
688 - void *b_private;
689 -} buf_t;
690 -
691 -extern void bioinit(buf_t *);
692 -extern void biodone(buf_t *);
693 -extern void bioerror(buf_t *, int);
694 -extern int geterror(buf_t *);
695 -
696 329 #ifdef __cplusplus
697 330 }
698 331 #endif
699 332
700 333 #endif /* _SYS_ZFS_CONTEXT_H */
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