1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5ea8dc4b6Seschrock * Common Development and Distribution License (the "License"). 6ea8dc4b6Seschrock * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 21fa9e4066Sahrens /* 22*744947dcSTom Erickson * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23fa9e4066Sahrens */ 24fa9e4066Sahrens 25fa9e4066Sahrens #ifndef _SYS_ZFS_CONTEXT_H 26fa9e4066Sahrens #define _SYS_ZFS_CONTEXT_H 27fa9e4066Sahrens 28fa9e4066Sahrens #ifdef __cplusplus 29fa9e4066Sahrens extern "C" { 30fa9e4066Sahrens #endif 31fa9e4066Sahrens 32fa9e4066Sahrens #define _SYS_MUTEX_H 33fa9e4066Sahrens #define _SYS_RWLOCK_H 34fa9e4066Sahrens #define _SYS_CONDVAR_H 35fa9e4066Sahrens #define _SYS_SYSTM_H 36fa9e4066Sahrens #define _SYS_DEBUG_H 37fa9e4066Sahrens #define _SYS_T_LOCK_H 38fa9e4066Sahrens #define _SYS_VNODE_H 39fa9e4066Sahrens #define _SYS_VFS_H 40fa9e4066Sahrens #define _SYS_SUNDDI_H 41fa9e4066Sahrens #define _SYS_CALLB_H 42fa9e4066Sahrens 43fa9e4066Sahrens #include <stdio.h> 44fa9e4066Sahrens #include <stdlib.h> 45fa9e4066Sahrens #include <stddef.h> 46fa9e4066Sahrens #include <stdarg.h> 47fa9e4066Sahrens #include <fcntl.h> 48fa9e4066Sahrens #include <unistd.h> 49fa9e4066Sahrens #include <errno.h> 50fa9e4066Sahrens #include <string.h> 51fa9e4066Sahrens #include <strings.h> 52fa9e4066Sahrens #include <synch.h> 53fa9e4066Sahrens #include <thread.h> 54fa9e4066Sahrens #include <assert.h> 55fa9e4066Sahrens #include <alloca.h> 56fa9e4066Sahrens #include <umem.h> 57fa9e4066Sahrens #include <limits.h> 58fa9e4066Sahrens #include <atomic.h> 59fa9e4066Sahrens #include <dirent.h> 60fa9e4066Sahrens #include <time.h> 61573ca77eSGeorge Wilson #include <libsysevent.h> 62fa9e4066Sahrens #include <sys/note.h> 63fa9e4066Sahrens #include <sys/types.h> 64ecd6cf80Smarks #include <sys/cred.h> 65fa9e4066Sahrens #include <sys/sysmacros.h> 66fa9e4066Sahrens #include <sys/bitmap.h> 67fa9e4066Sahrens #include <sys/resource.h> 68fa9e4066Sahrens #include <sys/byteorder.h> 69fa9e4066Sahrens #include <sys/list.h> 70fa9e4066Sahrens #include <sys/uio.h> 71fa9e4066Sahrens #include <sys/zfs_debug.h> 72fa9e4066Sahrens #include <sys/sdt.h> 7344cb6abcSbmc #include <sys/kstat.h> 74de8267e0Stimh #include <sys/u8_textprep.h> 753d7072f8Seschrock #include <sys/sysevent/eventdefs.h> 76573ca77eSGeorge Wilson #include <sys/sysevent/dev.h> 7792241e0bSTom Erickson #include <sys/sunddi.h> 78fa9e4066Sahrens 79fa9e4066Sahrens /* 80fa9e4066Sahrens * Debugging 81fa9e4066Sahrens */ 82fa9e4066Sahrens 83fa9e4066Sahrens /* 84fa9e4066Sahrens * Note that we are not using the debugging levels. 85fa9e4066Sahrens */ 86fa9e4066Sahrens 87fa9e4066Sahrens #define CE_CONT 0 /* continuation */ 88fa9e4066Sahrens #define CE_NOTE 1 /* notice */ 89fa9e4066Sahrens #define CE_WARN 2 /* warning */ 90fa9e4066Sahrens #define CE_PANIC 3 /* panic */ 91fa9e4066Sahrens #define CE_IGNORE 4 /* print nothing */ 92fa9e4066Sahrens 93fa9e4066Sahrens /* 94fa9e4066Sahrens * ZFS debugging 95fa9e4066Sahrens */ 96fa9e4066Sahrens 97fa9e4066Sahrens #ifdef ZFS_DEBUG 98fa9e4066Sahrens extern void dprintf_setup(int *argc, char **argv); 99fa9e4066Sahrens #endif /* ZFS_DEBUG */ 100fa9e4066Sahrens 101fa9e4066Sahrens extern void cmn_err(int, const char *, ...); 1020125049cSahrens extern void vcmn_err(int, const char *, __va_list); 103fa9e4066Sahrens extern void panic(const char *, ...); 104fa9e4066Sahrens extern void vpanic(const char *, __va_list); 105fa9e4066Sahrens 1060a4e9518Sgw #define fm_panic panic 1070a4e9518Sgw 108feef89cfSVictor Latushkin extern int aok; 109feef89cfSVictor Latushkin 110fa9e4066Sahrens /* This definition is copied from assert.h. */ 111fa9e4066Sahrens #if defined(__STDC__) 112fa9e4066Sahrens #if __STDC_VERSION__ - 0 >= 199901L 113feef89cfSVictor Latushkin #define zverify(EX) (void)((EX) || (aok) || \ 114fa9e4066Sahrens (__assert_c99(#EX, __FILE__, __LINE__, __func__), 0)) 115fa9e4066Sahrens #else 116feef89cfSVictor Latushkin #define zverify(EX) (void)((EX) || (aok) || \ 117feef89cfSVictor Latushkin (__assert(#EX, __FILE__, __LINE__), 0)) 118fa9e4066Sahrens #endif /* __STDC_VERSION__ - 0 >= 199901L */ 119fa9e4066Sahrens #else 120feef89cfSVictor Latushkin #define zverify(EX) (void)((EX) || (aok) || \ 121feef89cfSVictor Latushkin (_assert("EX", __FILE__, __LINE__), 0)) 122fa9e4066Sahrens #endif /* __STDC__ */ 123fa9e4066Sahrens 124fa9e4066Sahrens 125feef89cfSVictor Latushkin #define VERIFY zverify 126feef89cfSVictor Latushkin #define ASSERT zverify 127feef89cfSVictor Latushkin #undef assert 128feef89cfSVictor Latushkin #define assert zverify 129fa9e4066Sahrens 130fa9e4066Sahrens extern void __assert(const char *, const char *, int); 131fa9e4066Sahrens 132fa9e4066Sahrens #ifdef lint 133fa9e4066Sahrens #define VERIFY3_IMPL(x, y, z, t) if (x == z) ((void)0) 134fa9e4066Sahrens #else 135fa9e4066Sahrens /* BEGIN CSTYLED */ 136fa9e4066Sahrens #define VERIFY3_IMPL(LEFT, OP, RIGHT, TYPE) do { \ 137fa9e4066Sahrens const TYPE __left = (TYPE)(LEFT); \ 138fa9e4066Sahrens const TYPE __right = (TYPE)(RIGHT); \ 139feef89cfSVictor Latushkin if (!(__left OP __right) && (!aok)) { \ 140fa9e4066Sahrens char *__buf = alloca(256); \ 141fa9e4066Sahrens (void) snprintf(__buf, 256, "%s %s %s (0x%llx %s 0x%llx)", \ 142fa9e4066Sahrens #LEFT, #OP, #RIGHT, \ 143fa9e4066Sahrens (u_longlong_t)__left, #OP, (u_longlong_t)__right); \ 144fa9e4066Sahrens __assert(__buf, __FILE__, __LINE__); \ 145fa9e4066Sahrens } \ 146fa9e4066Sahrens _NOTE(CONSTCOND) } while (0) 147fa9e4066Sahrens /* END CSTYLED */ 148fa9e4066Sahrens #endif /* lint */ 149fa9e4066Sahrens 150fa9e4066Sahrens #define VERIFY3S(x, y, z) VERIFY3_IMPL(x, y, z, int64_t) 151fa9e4066Sahrens #define VERIFY3U(x, y, z) VERIFY3_IMPL(x, y, z, uint64_t) 152fa9e4066Sahrens #define VERIFY3P(x, y, z) VERIFY3_IMPL(x, y, z, uintptr_t) 153fa9e4066Sahrens 154fa9e4066Sahrens #ifdef NDEBUG 155fa9e4066Sahrens #define ASSERT3S(x, y, z) ((void)0) 156fa9e4066Sahrens #define ASSERT3U(x, y, z) ((void)0) 157fa9e4066Sahrens #define ASSERT3P(x, y, z) ((void)0) 158fa9e4066Sahrens #else 159fa9e4066Sahrens #define ASSERT3S(x, y, z) VERIFY3S(x, y, z) 160fa9e4066Sahrens #define ASSERT3U(x, y, z) VERIFY3U(x, y, z) 161fa9e4066Sahrens #define ASSERT3P(x, y, z) VERIFY3P(x, y, z) 162fa9e4066Sahrens #endif 163fa9e4066Sahrens 164fa9e4066Sahrens /* 1653d7072f8Seschrock * DTrace SDT probes have different signatures in userland than they do in 166fa9e4066Sahrens * kernel. If they're being used in kernel code, re-define them out of 167fa9e4066Sahrens * existence for their counterparts in libzpool. 168fa9e4066Sahrens */ 169fa9e4066Sahrens 17005715f94SMark Maybee #ifdef DTRACE_PROBE 17105715f94SMark Maybee #undef DTRACE_PROBE 17205715f94SMark Maybee #define DTRACE_PROBE(a) ((void)0) 17305715f94SMark Maybee #endif /* DTRACE_PROBE */ 17405715f94SMark Maybee 175fa9e4066Sahrens #ifdef DTRACE_PROBE1 176fa9e4066Sahrens #undef DTRACE_PROBE1 177fa9e4066Sahrens #define DTRACE_PROBE1(a, b, c) ((void)0) 178fa9e4066Sahrens #endif /* DTRACE_PROBE1 */ 179fa9e4066Sahrens 180fa9e4066Sahrens #ifdef DTRACE_PROBE2 181fa9e4066Sahrens #undef DTRACE_PROBE2 182fa9e4066Sahrens #define DTRACE_PROBE2(a, b, c, d, e) ((void)0) 183fa9e4066Sahrens #endif /* DTRACE_PROBE2 */ 184fa9e4066Sahrens 185c543ec06Sahrens #ifdef DTRACE_PROBE3 186c543ec06Sahrens #undef DTRACE_PROBE3 187c543ec06Sahrens #define DTRACE_PROBE3(a, b, c, d, e, f, g) ((void)0) 188c543ec06Sahrens #endif /* DTRACE_PROBE3 */ 189c543ec06Sahrens 190faafa6e3Sahrens #ifdef DTRACE_PROBE4 191faafa6e3Sahrens #undef DTRACE_PROBE4 192faafa6e3Sahrens #define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) ((void)0) 193faafa6e3Sahrens #endif /* DTRACE_PROBE4 */ 194faafa6e3Sahrens 195fa9e4066Sahrens /* 196fa9e4066Sahrens * Threads 197fa9e4066Sahrens */ 198fa9e4066Sahrens #define curthread ((void *)(uintptr_t)thr_self()) 199fa9e4066Sahrens 200fa9e4066Sahrens typedef struct kthread kthread_t; 201fa9e4066Sahrens 202fa9e4066Sahrens #define thread_create(stk, stksize, func, arg, len, pp, state, pri) \ 203fa9e4066Sahrens zk_thread_create(func, arg) 2045ad82045Snd #define thread_exit() thr_exit(NULL) 20535a5a358SJonathan Adams #define thread_join(t) panic("libzpool cannot join threads") 20635a5a358SJonathan Adams 20735a5a358SJonathan Adams #define newproc(f, a, cid, pri, ctp, pid) (ENOSYS) 20835a5a358SJonathan Adams 20935a5a358SJonathan Adams /* in libzpool, p0 exists only to have its address taken */ 21035a5a358SJonathan Adams struct proc { 21135a5a358SJonathan Adams uintptr_t this_is_never_used_dont_dereference_it; 21235a5a358SJonathan Adams }; 21335a5a358SJonathan Adams 21435a5a358SJonathan Adams extern struct proc p0; 21535a5a358SJonathan Adams 21635a5a358SJonathan Adams #define PS_NONE -1 217fa9e4066Sahrens 218fa9e4066Sahrens extern kthread_t *zk_thread_create(void (*func)(), void *arg); 219fa9e4066Sahrens 220fa9e4066Sahrens #define issig(why) (FALSE) 221fa9e4066Sahrens #define ISSIG(thr, why) (FALSE) 222fa9e4066Sahrens 223fa9e4066Sahrens /* 224fa9e4066Sahrens * Mutexes 225fa9e4066Sahrens */ 226fa9e4066Sahrens typedef struct kmutex { 227c25056deSgw void *m_owner; 228c25056deSgw boolean_t initialized; 229c25056deSgw mutex_t m_lock; 230fa9e4066Sahrens } kmutex_t; 231fa9e4066Sahrens 232fa9e4066Sahrens #define MUTEX_DEFAULT USYNC_THREAD 233*744947dcSTom Erickson #undef MUTEX_HELD 234*744947dcSTom Erickson #undef MUTEX_NOT_HELD 235fa9e4066Sahrens #define MUTEX_HELD(m) _mutex_held(&(m)->m_lock) 236*744947dcSTom Erickson #define MUTEX_NOT_HELD(m) (!MUTEX_HELD(m)) 237fa9e4066Sahrens 238fa9e4066Sahrens /* 239fa9e4066Sahrens * Argh -- we have to get cheesy here because the kernel and userland 240fa9e4066Sahrens * have different signatures for the same routine. 241fa9e4066Sahrens */ 242fa9e4066Sahrens extern int _mutex_init(mutex_t *mp, int type, void *arg); 243fa9e4066Sahrens extern int _mutex_destroy(mutex_t *mp); 244fa9e4066Sahrens 245fa9e4066Sahrens #define mutex_init(mp, b, c, d) zmutex_init((kmutex_t *)(mp)) 246fa9e4066Sahrens #define mutex_destroy(mp) zmutex_destroy((kmutex_t *)(mp)) 247fa9e4066Sahrens 248fa9e4066Sahrens extern void zmutex_init(kmutex_t *mp); 249fa9e4066Sahrens extern void zmutex_destroy(kmutex_t *mp); 250fa9e4066Sahrens extern void mutex_enter(kmutex_t *mp); 251fa9e4066Sahrens extern void mutex_exit(kmutex_t *mp); 252fa9e4066Sahrens extern int mutex_tryenter(kmutex_t *mp); 253fa9e4066Sahrens extern void *mutex_owner(kmutex_t *mp); 254fa9e4066Sahrens 255fa9e4066Sahrens /* 256fa9e4066Sahrens * RW locks 257fa9e4066Sahrens */ 258fa9e4066Sahrens typedef struct krwlock { 259fa9e4066Sahrens void *rw_owner; 260c25056deSgw boolean_t initialized; 261fa9e4066Sahrens rwlock_t rw_lock; 262fa9e4066Sahrens } krwlock_t; 263fa9e4066Sahrens 264fa9e4066Sahrens typedef int krw_t; 265fa9e4066Sahrens 266fa9e4066Sahrens #define RW_READER 0 267fa9e4066Sahrens #define RW_WRITER 1 268fa9e4066Sahrens #define RW_DEFAULT USYNC_THREAD 269fa9e4066Sahrens 270fa9e4066Sahrens #undef RW_READ_HELD 271fa9e4066Sahrens #define RW_READ_HELD(x) _rw_read_held(&(x)->rw_lock) 272fa9e4066Sahrens 273fa9e4066Sahrens #undef RW_WRITE_HELD 274fa9e4066Sahrens #define RW_WRITE_HELD(x) _rw_write_held(&(x)->rw_lock) 275fa9e4066Sahrens 276fa9e4066Sahrens extern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg); 277fa9e4066Sahrens extern void rw_destroy(krwlock_t *rwlp); 278fa9e4066Sahrens extern void rw_enter(krwlock_t *rwlp, krw_t rw); 279fa9e4066Sahrens extern int rw_tryenter(krwlock_t *rwlp, krw_t rw); 280fa9e4066Sahrens extern int rw_tryupgrade(krwlock_t *rwlp); 281fa9e4066Sahrens extern void rw_exit(krwlock_t *rwlp); 282fa9e4066Sahrens #define rw_downgrade(rwlp) do { } while (0) 283fa9e4066Sahrens 284ecd6cf80Smarks extern uid_t crgetuid(cred_t *cr); 285ecd6cf80Smarks extern gid_t crgetgid(cred_t *cr); 286ecd6cf80Smarks extern int crgetngroups(cred_t *cr); 287ecd6cf80Smarks extern gid_t *crgetgroups(cred_t *cr); 288ecd6cf80Smarks 289fa9e4066Sahrens /* 290fa9e4066Sahrens * Condition variables 291fa9e4066Sahrens */ 292fa9e4066Sahrens typedef cond_t kcondvar_t; 293fa9e4066Sahrens 294fa9e4066Sahrens #define CV_DEFAULT USYNC_THREAD 295fa9e4066Sahrens 296fa9e4066Sahrens extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg); 297fa9e4066Sahrens extern void cv_destroy(kcondvar_t *cv); 298fa9e4066Sahrens extern void cv_wait(kcondvar_t *cv, kmutex_t *mp); 299fa9e4066Sahrens extern clock_t cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime); 300fa9e4066Sahrens extern void cv_signal(kcondvar_t *cv); 301fa9e4066Sahrens extern void cv_broadcast(kcondvar_t *cv); 302fa9e4066Sahrens 30344cb6abcSbmc /* 30444cb6abcSbmc * kstat creation, installation and deletion 30544cb6abcSbmc */ 30644cb6abcSbmc extern kstat_t *kstat_create(char *, int, 30744cb6abcSbmc char *, char *, uchar_t, ulong_t, uchar_t); 30844cb6abcSbmc extern void kstat_install(kstat_t *); 30944cb6abcSbmc extern void kstat_delete(kstat_t *); 31044cb6abcSbmc 311fa9e4066Sahrens /* 312fa9e4066Sahrens * Kernel memory 313fa9e4066Sahrens */ 314fa9e4066Sahrens #define KM_SLEEP UMEM_NOFAIL 3151ab7f2deSmaybee #define KM_PUSHPAGE KM_SLEEP 316fa9e4066Sahrens #define KM_NOSLEEP UMEM_DEFAULT 317a0965f35Sbonwick #define KMC_NODEBUG UMC_NODEBUG 318fa9e4066Sahrens #define kmem_alloc(_s, _f) umem_alloc(_s, _f) 319fa9e4066Sahrens #define kmem_zalloc(_s, _f) umem_zalloc(_s, _f) 320fa9e4066Sahrens #define kmem_free(_b, _s) umem_free(_b, _s) 321fa9e4066Sahrens #define kmem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) \ 322fa9e4066Sahrens umem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) 323fa9e4066Sahrens #define kmem_cache_destroy(_c) umem_cache_destroy(_c) 324fa9e4066Sahrens #define kmem_cache_alloc(_c, _f) umem_cache_alloc(_c, _f) 325fa9e4066Sahrens #define kmem_cache_free(_c, _b) umem_cache_free(_c, _b) 326fa9e4066Sahrens #define kmem_debugging() 0 327*744947dcSTom Erickson #define kmem_cache_reap_now(_c) /* nothing */ 328*744947dcSTom Erickson #define kmem_cache_set_move(_c, _cb) /* nothing */ 329*744947dcSTom Erickson #define POINTER_INVALIDATE(_pp) /* nothing */ 330*744947dcSTom Erickson #define POINTER_IS_VALID(_p) 0 331fa9e4066Sahrens 332fa9e4066Sahrens typedef umem_cache_t kmem_cache_t; 333fa9e4066Sahrens 334*744947dcSTom Erickson typedef enum kmem_cbrc { 335*744947dcSTom Erickson KMEM_CBRC_YES, 336*744947dcSTom Erickson KMEM_CBRC_NO, 337*744947dcSTom Erickson KMEM_CBRC_LATER, 338*744947dcSTom Erickson KMEM_CBRC_DONT_NEED, 339*744947dcSTom Erickson KMEM_CBRC_DONT_KNOW 340*744947dcSTom Erickson } kmem_cbrc_t; 341*744947dcSTom Erickson 342fa9e4066Sahrens /* 343fa9e4066Sahrens * Task queues 344fa9e4066Sahrens */ 345fa9e4066Sahrens typedef struct taskq taskq_t; 346fa9e4066Sahrens typedef uintptr_t taskqid_t; 347fa9e4066Sahrens typedef void (task_func_t)(void *); 348fa9e4066Sahrens 349fa9e4066Sahrens #define TASKQ_PREPOPULATE 0x0001 350fa9e4066Sahrens #define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */ 351fa9e4066Sahrens #define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */ 35235a5a358SJonathan Adams #define TASKQ_THREADS_CPU_PCT 0x0008 /* Scale # threads by # cpus */ 35335a5a358SJonathan Adams #define TASKQ_DC_BATCH 0x0010 /* Mark threads as batch */ 354fa9e4066Sahrens 355fa9e4066Sahrens #define TQ_SLEEP KM_SLEEP /* Can block for memory */ 356fa9e4066Sahrens #define TQ_NOSLEEP KM_NOSLEEP /* cannot block for memory; may fail */ 35735a5a358SJonathan Adams #define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */ 35835a5a358SJonathan Adams #define TQ_FRONT 0x08 /* Queue in front */ 359fa9e4066Sahrens 36088b7b0f2SMatthew Ahrens extern taskq_t *system_taskq; 36188b7b0f2SMatthew Ahrens 362fa9e4066Sahrens extern taskq_t *taskq_create(const char *, int, pri_t, int, int, uint_t); 36335a5a358SJonathan Adams #define taskq_create_proc(a, b, c, d, e, p, f) \ 36435a5a358SJonathan Adams (taskq_create(a, b, c, d, e, f)) 36535a5a358SJonathan Adams #define taskq_create_sysdc(a, b, d, e, p, dc, f) \ 36635a5a358SJonathan Adams (taskq_create(a, b, maxclsyspri, d, e, f)) 367fa9e4066Sahrens extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t); 368fa9e4066Sahrens extern void taskq_destroy(taskq_t *); 369fa9e4066Sahrens extern void taskq_wait(taskq_t *); 370fa9e4066Sahrens extern int taskq_member(taskq_t *, void *); 37188b7b0f2SMatthew Ahrens extern void system_taskq_init(void); 372d20e665cSRicardo M. Correia extern void system_taskq_fini(void); 373fa9e4066Sahrens 374da6c28aaSamw #define XVA_MAPSIZE 3 375da6c28aaSamw #define XVA_MAGIC 0x78766174 376da6c28aaSamw 377fa9e4066Sahrens /* 378fa9e4066Sahrens * vnodes 379fa9e4066Sahrens */ 380fa9e4066Sahrens typedef struct vnode { 381fa9e4066Sahrens uint64_t v_size; 382fa9e4066Sahrens int v_fd; 383fa9e4066Sahrens char *v_path; 384fa9e4066Sahrens } vnode_t; 385fa9e4066Sahrens 3867a286c47SDai Ngo #define AV_SCANSTAMP_SZ 32 /* length of anti-virus scanstamp */ 387da6c28aaSamw 388da6c28aaSamw typedef struct xoptattr { 389da6c28aaSamw timestruc_t xoa_createtime; /* Create time of file */ 390da6c28aaSamw uint8_t xoa_archive; 391da6c28aaSamw uint8_t xoa_system; 392da6c28aaSamw uint8_t xoa_readonly; 393da6c28aaSamw uint8_t xoa_hidden; 394da6c28aaSamw uint8_t xoa_nounlink; 395da6c28aaSamw uint8_t xoa_immutable; 396da6c28aaSamw uint8_t xoa_appendonly; 397da6c28aaSamw uint8_t xoa_nodump; 398da6c28aaSamw uint8_t xoa_settable; 399da6c28aaSamw uint8_t xoa_opaque; 400da6c28aaSamw uint8_t xoa_av_quarantined; 401da6c28aaSamw uint8_t xoa_av_modified; 4027a286c47SDai Ngo uint8_t xoa_av_scanstamp[AV_SCANSTAMP_SZ]; 4037a286c47SDai Ngo uint8_t xoa_reparse; 404da6c28aaSamw } xoptattr_t; 405da6c28aaSamw 406fa9e4066Sahrens typedef struct vattr { 407fa9e4066Sahrens uint_t va_mask; /* bit-mask of attributes */ 408fa9e4066Sahrens u_offset_t va_size; /* file size in bytes */ 409fa9e4066Sahrens } vattr_t; 410fa9e4066Sahrens 411da6c28aaSamw 412da6c28aaSamw typedef struct xvattr { 413da6c28aaSamw vattr_t xva_vattr; /* Embedded vattr structure */ 414da6c28aaSamw uint32_t xva_magic; /* Magic Number */ 415da6c28aaSamw uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */ 416da6c28aaSamw uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */ 417da6c28aaSamw uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */ 418da6c28aaSamw uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */ 419da6c28aaSamw xoptattr_t xva_xoptattrs; /* Optional attributes */ 420da6c28aaSamw } xvattr_t; 421da6c28aaSamw 422da6c28aaSamw typedef struct vsecattr { 423da6c28aaSamw uint_t vsa_mask; /* See below */ 424da6c28aaSamw int vsa_aclcnt; /* ACL entry count */ 425da6c28aaSamw void *vsa_aclentp; /* pointer to ACL entries */ 426da6c28aaSamw int vsa_dfaclcnt; /* default ACL entry count */ 427da6c28aaSamw void *vsa_dfaclentp; /* pointer to default ACL entries */ 428da6c28aaSamw size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */ 429da6c28aaSamw } vsecattr_t; 430da6c28aaSamw 431da6c28aaSamw #define AT_TYPE 0x00001 432da6c28aaSamw #define AT_MODE 0x00002 433da6c28aaSamw #define AT_UID 0x00004 434da6c28aaSamw #define AT_GID 0x00008 435da6c28aaSamw #define AT_FSID 0x00010 436da6c28aaSamw #define AT_NODEID 0x00020 437da6c28aaSamw #define AT_NLINK 0x00040 438da6c28aaSamw #define AT_SIZE 0x00080 439da6c28aaSamw #define AT_ATIME 0x00100 440da6c28aaSamw #define AT_MTIME 0x00200 441da6c28aaSamw #define AT_CTIME 0x00400 442da6c28aaSamw #define AT_RDEV 0x00800 443da6c28aaSamw #define AT_BLKSIZE 0x01000 444da6c28aaSamw #define AT_NBLOCKS 0x02000 445da6c28aaSamw #define AT_SEQ 0x08000 446da6c28aaSamw #define AT_XVATTR 0x10000 447fa9e4066Sahrens 448fa9e4066Sahrens #define CRCREAT 0 449fa9e4066Sahrens 450095bcd66SGeorge Wilson extern int fop_getattr(vnode_t *vp, vattr_t *vap); 451095bcd66SGeorge Wilson 452da6c28aaSamw #define VOP_CLOSE(vp, f, c, o, cr, ct) 0 453da6c28aaSamw #define VOP_PUTPAGE(vp, of, sz, fl, cr, ct) 0 454095bcd66SGeorge Wilson #define VOP_GETATTR(vp, vap, fl, cr, ct) fop_getattr((vp), (vap)); 455fa9e4066Sahrens 456da6c28aaSamw #define VOP_FSYNC(vp, f, cr, ct) fsync((vp)->v_fd) 457fa9e4066Sahrens 458fa9e4066Sahrens #define VN_RELE(vp) vn_close(vp) 459fa9e4066Sahrens 460fa9e4066Sahrens extern int vn_open(char *path, int x1, int oflags, int mode, vnode_t **vpp, 461fa9e4066Sahrens int x2, int x3); 462fa9e4066Sahrens extern int vn_openat(char *path, int x1, int oflags, int mode, vnode_t **vpp, 463da6c28aaSamw int x2, int x3, vnode_t *vp, int fd); 464fa9e4066Sahrens extern int vn_rdwr(int uio, vnode_t *vp, void *addr, ssize_t len, 465fa9e4066Sahrens offset_t offset, int x1, int x2, rlim64_t x3, void *x4, ssize_t *residp); 466fa9e4066Sahrens extern void vn_close(vnode_t *vp); 467fa9e4066Sahrens 468fa9e4066Sahrens #define vn_remove(path, x1, x2) remove(path) 469fa9e4066Sahrens #define vn_rename(from, to, seg) rename((from), (to)) 4700373e76bSbonwick #define vn_is_readonly(vp) B_FALSE 471fa9e4066Sahrens 472fa9e4066Sahrens extern vnode_t *rootdir; 473fa9e4066Sahrens 474fa9e4066Sahrens #include <sys/file.h> /* for FREAD, FWRITE, etc */ 475fa9e4066Sahrens 476fa9e4066Sahrens /* 477fa9e4066Sahrens * Random stuff 478fa9e4066Sahrens */ 479d3d50737SRafael Vanoni #define ddi_get_lbolt() (gethrtime() >> 23) 480d3d50737SRafael Vanoni #define ddi_get_lbolt64() (gethrtime() >> 23) 481fa9e4066Sahrens #define hz 119 /* frequency when using gethrtime() >> 23 for lbolt */ 482fa9e4066Sahrens 483fa9e4066Sahrens extern void delay(clock_t ticks); 484fa9e4066Sahrens 485fa9e4066Sahrens #define gethrestime_sec() time(NULL) 48671eb0538SChris Kirby #define gethrestime(t) \ 48771eb0538SChris Kirby do {\ 48871eb0538SChris Kirby (t)->tv_sec = gethrestime_sec();\ 48971eb0538SChris Kirby (t)->tv_nsec = 0;\ 49071eb0538SChris Kirby } while (0); 491fa9e4066Sahrens 492fa9e4066Sahrens #define max_ncpus 64 493fa9e4066Sahrens 494fa9e4066Sahrens #define minclsyspri 60 495fa9e4066Sahrens #define maxclsyspri 99 496fa9e4066Sahrens 497fa9e4066Sahrens #define CPU_SEQID (thr_self() & (max_ncpus - 1)) 498fa9e4066Sahrens 499fa9e4066Sahrens #define kcred NULL 500fa9e4066Sahrens #define CRED() NULL 501fa9e4066Sahrens 50205715f94SMark Maybee #define ptob(x) ((x) * PAGESIZE) 50305715f94SMark Maybee 504fa9e4066Sahrens extern uint64_t physmem; 505fa9e4066Sahrens 506fa9e4066Sahrens extern int highbit(ulong_t i); 507fa9e4066Sahrens extern int random_get_bytes(uint8_t *ptr, size_t len); 508fa9e4066Sahrens extern int random_get_pseudo_bytes(uint8_t *ptr, size_t len); 509fa9e4066Sahrens 510fa9e4066Sahrens extern void kernel_init(int); 511fa9e4066Sahrens extern void kernel_fini(void); 512fa9e4066Sahrens 513fa9e4066Sahrens struct spa; 514fa9e4066Sahrens extern void nicenum(uint64_t num, char *buf); 515fa9e4066Sahrens extern void show_pool_stats(struct spa *); 516fa9e4066Sahrens 517fa9e4066Sahrens typedef struct callb_cpr { 518fa9e4066Sahrens kmutex_t *cc_lockp; 519fa9e4066Sahrens } callb_cpr_t; 520fa9e4066Sahrens 521fa9e4066Sahrens #define CALLB_CPR_INIT(cp, lockp, func, name) { \ 522fa9e4066Sahrens (cp)->cc_lockp = lockp; \ 523fa9e4066Sahrens } 524fa9e4066Sahrens 525fa9e4066Sahrens #define CALLB_CPR_SAFE_BEGIN(cp) { \ 526fa9e4066Sahrens ASSERT(MUTEX_HELD((cp)->cc_lockp)); \ 527fa9e4066Sahrens } 528fa9e4066Sahrens 529fa9e4066Sahrens #define CALLB_CPR_SAFE_END(cp, lockp) { \ 530fa9e4066Sahrens ASSERT(MUTEX_HELD((cp)->cc_lockp)); \ 531fa9e4066Sahrens } 532fa9e4066Sahrens 533fa9e4066Sahrens #define CALLB_CPR_EXIT(cp) { \ 534fa9e4066Sahrens ASSERT(MUTEX_HELD((cp)->cc_lockp)); \ 535fa9e4066Sahrens mutex_exit((cp)->cc_lockp); \ 536fa9e4066Sahrens } 537fa9e4066Sahrens 538fa9e4066Sahrens #define zone_dataset_visible(x, y) (1) 539fa9e4066Sahrens #define INGLOBALZONE(z) (1) 540fa9e4066Sahrens 541ae46e4c7SMatthew Ahrens extern char *kmem_asprintf(const char *fmt, ...); 542ae46e4c7SMatthew Ahrens #define strfree(str) kmem_free((str), strlen(str)+1) 543ae46e4c7SMatthew Ahrens 54495173954Sek /* 54595173954Sek * Hostname information 54695173954Sek */ 5475679c89fSjv extern char hw_serial[]; /* for userland-emulated hostid access */ 54895173954Sek extern int ddi_strtoul(const char *str, char **nptr, int base, 54995173954Sek unsigned long *result); 55095173954Sek 5510a586ceaSMark Shellenbaum extern int ddi_strtoull(const char *str, char **nptr, int base, 5520a586ceaSMark Shellenbaum u_longlong_t *result); 5530a586ceaSMark Shellenbaum 554ea8dc4b6Seschrock /* ZFS Boot Related stuff. */ 555ea8dc4b6Seschrock 556ea8dc4b6Seschrock struct _buf { 557ea8dc4b6Seschrock intptr_t _fd; 558ea8dc4b6Seschrock }; 559ea8dc4b6Seschrock 560ea8dc4b6Seschrock struct bootstat { 561ea8dc4b6Seschrock uint64_t st_size; 562ea8dc4b6Seschrock }; 563ea8dc4b6Seschrock 564da6c28aaSamw typedef struct ace_object { 565da6c28aaSamw uid_t a_who; 566da6c28aaSamw uint32_t a_access_mask; 567da6c28aaSamw uint16_t a_flags; 568da6c28aaSamw uint16_t a_type; 569da6c28aaSamw uint8_t a_obj_type[16]; 570da6c28aaSamw uint8_t a_inherit_obj_type[16]; 571da6c28aaSamw } ace_object_t; 572da6c28aaSamw 573da6c28aaSamw 574da6c28aaSamw #define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05 575da6c28aaSamw #define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE 0x06 576da6c28aaSamw #define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07 577da6c28aaSamw #define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08 578da6c28aaSamw 579ea8dc4b6Seschrock extern struct _buf *kobj_open_file(char *name); 580ea8dc4b6Seschrock extern int kobj_read_file(struct _buf *file, char *buf, unsigned size, 581ea8dc4b6Seschrock unsigned off); 582ea8dc4b6Seschrock extern void kobj_close_file(struct _buf *file); 583b1b8ab34Slling extern int kobj_get_filesize(struct _buf *file, uint64_t *size); 584ecd6cf80Smarks extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr); 585ecd6cf80Smarks extern int zfs_secpolicy_rename_perms(const char *from, const char *to, 586ecd6cf80Smarks cred_t *cr); 587ecd6cf80Smarks extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr); 588ecd6cf80Smarks extern zoneid_t getzoneid(void); 589ea8dc4b6Seschrock 590e0d35c44Smarks /* SID stuff */ 591e0d35c44Smarks typedef struct ksiddomain { 592e0d35c44Smarks uint_t kd_ref; 593e0d35c44Smarks uint_t kd_len; 594e0d35c44Smarks char *kd_name; 595e0d35c44Smarks } ksiddomain_t; 596e0d35c44Smarks 597e0d35c44Smarks ksiddomain_t *ksid_lookupdomain(const char *); 598e0d35c44Smarks void ksiddomain_rele(ksiddomain_t *); 599e0d35c44Smarks 600573ca77eSGeorge Wilson #define DDI_SLEEP KM_SLEEP 601573ca77eSGeorge Wilson #define ddi_log_sysevent(_a, _b, _c, _d, _e, _f, _g) \ 602573ca77eSGeorge Wilson sysevent_post_event(_c, _d, _b, "libzpool", _e, _f) 603573ca77eSGeorge Wilson 604f0547164Slling #ifdef __cplusplus 605f0547164Slling } 606f0547164Slling #endif 607f0547164Slling 608fa9e4066Sahrens #endif /* _SYS_ZFS_CONTEXT_H */ 609