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 /* 225679c89fSjv * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23fa9e4066Sahrens * Use is subject to license terms. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 26fa9e4066Sahrens #ifndef _SYS_ZFS_CONTEXT_H 27fa9e4066Sahrens #define _SYS_ZFS_CONTEXT_H 28fa9e4066Sahrens 29fa9e4066Sahrens #ifdef __cplusplus 30fa9e4066Sahrens extern "C" { 31fa9e4066Sahrens #endif 32fa9e4066Sahrens 33fa9e4066Sahrens #define _SYS_MUTEX_H 34fa9e4066Sahrens #define _SYS_RWLOCK_H 35fa9e4066Sahrens #define _SYS_CONDVAR_H 36fa9e4066Sahrens #define _SYS_SYSTM_H 37fa9e4066Sahrens #define _SYS_DEBUG_H 38fa9e4066Sahrens #define _SYS_T_LOCK_H 39fa9e4066Sahrens #define _SYS_VNODE_H 40fa9e4066Sahrens #define _SYS_VFS_H 41fa9e4066Sahrens #define _SYS_SUNDDI_H 42fa9e4066Sahrens #define _SYS_CALLB_H 43fa9e4066Sahrens 44fa9e4066Sahrens #include <stdio.h> 45fa9e4066Sahrens #include <stdlib.h> 46fa9e4066Sahrens #include <stddef.h> 47fa9e4066Sahrens #include <stdarg.h> 48fa9e4066Sahrens #include <fcntl.h> 49fa9e4066Sahrens #include <unistd.h> 50fa9e4066Sahrens #include <errno.h> 51fa9e4066Sahrens #include <string.h> 52fa9e4066Sahrens #include <strings.h> 53fa9e4066Sahrens #include <synch.h> 54fa9e4066Sahrens #include <thread.h> 55fa9e4066Sahrens #include <assert.h> 56fa9e4066Sahrens #include <alloca.h> 57fa9e4066Sahrens #include <umem.h> 58fa9e4066Sahrens #include <limits.h> 59fa9e4066Sahrens #include <atomic.h> 60fa9e4066Sahrens #include <dirent.h> 61fa9e4066Sahrens #include <time.h> 62573ca77eSGeorge Wilson #include <libsysevent.h> 63fa9e4066Sahrens #include <sys/note.h> 64fa9e4066Sahrens #include <sys/types.h> 65ecd6cf80Smarks #include <sys/cred.h> 66fa9e4066Sahrens #include <sys/sysmacros.h> 67fa9e4066Sahrens #include <sys/bitmap.h> 68fa9e4066Sahrens #include <sys/resource.h> 69fa9e4066Sahrens #include <sys/byteorder.h> 70fa9e4066Sahrens #include <sys/list.h> 71fa9e4066Sahrens #include <sys/uio.h> 72fa9e4066Sahrens #include <sys/zfs_debug.h> 73fa9e4066Sahrens #include <sys/sdt.h> 7444cb6abcSbmc #include <sys/kstat.h> 75de8267e0Stimh #include <sys/u8_textprep.h> 763d7072f8Seschrock #include <sys/sysevent/eventdefs.h> 77573ca77eSGeorge Wilson #include <sys/sysevent/dev.h> 7892241e0bSTom Erickson #include <sys/sunddi.h> 79fa9e4066Sahrens 80fa9e4066Sahrens /* 81fa9e4066Sahrens * Debugging 82fa9e4066Sahrens */ 83fa9e4066Sahrens 84fa9e4066Sahrens /* 85fa9e4066Sahrens * Note that we are not using the debugging levels. 86fa9e4066Sahrens */ 87fa9e4066Sahrens 88fa9e4066Sahrens #define CE_CONT 0 /* continuation */ 89fa9e4066Sahrens #define CE_NOTE 1 /* notice */ 90fa9e4066Sahrens #define CE_WARN 2 /* warning */ 91fa9e4066Sahrens #define CE_PANIC 3 /* panic */ 92fa9e4066Sahrens #define CE_IGNORE 4 /* print nothing */ 93fa9e4066Sahrens 94fa9e4066Sahrens /* 95fa9e4066Sahrens * ZFS debugging 96fa9e4066Sahrens */ 97fa9e4066Sahrens 98fa9e4066Sahrens #ifdef ZFS_DEBUG 99fa9e4066Sahrens extern void dprintf_setup(int *argc, char **argv); 100fa9e4066Sahrens #endif /* ZFS_DEBUG */ 101fa9e4066Sahrens 102fa9e4066Sahrens extern void cmn_err(int, const char *, ...); 1030125049cSahrens extern void vcmn_err(int, const char *, __va_list); 104fa9e4066Sahrens extern void panic(const char *, ...); 105fa9e4066Sahrens extern void vpanic(const char *, __va_list); 106fa9e4066Sahrens 1070a4e9518Sgw #define fm_panic panic 1080a4e9518Sgw 109fa9e4066Sahrens /* This definition is copied from assert.h. */ 110fa9e4066Sahrens #if defined(__STDC__) 111fa9e4066Sahrens #if __STDC_VERSION__ - 0 >= 199901L 112fa9e4066Sahrens #define verify(EX) (void)((EX) || \ 113fa9e4066Sahrens (__assert_c99(#EX, __FILE__, __LINE__, __func__), 0)) 114fa9e4066Sahrens #else 115fa9e4066Sahrens #define verify(EX) (void)((EX) || (__assert(#EX, __FILE__, __LINE__), 0)) 116fa9e4066Sahrens #endif /* __STDC_VERSION__ - 0 >= 199901L */ 117fa9e4066Sahrens #else 118fa9e4066Sahrens #define verify(EX) (void)((EX) || (_assert("EX", __FILE__, __LINE__), 0)) 119fa9e4066Sahrens #endif /* __STDC__ */ 120fa9e4066Sahrens 121fa9e4066Sahrens 122fa9e4066Sahrens #define VERIFY verify 123fa9e4066Sahrens #define ASSERT assert 124fa9e4066Sahrens 125fa9e4066Sahrens extern void __assert(const char *, const char *, int); 126fa9e4066Sahrens 127fa9e4066Sahrens #ifdef lint 128fa9e4066Sahrens #define VERIFY3_IMPL(x, y, z, t) if (x == z) ((void)0) 129fa9e4066Sahrens #else 130fa9e4066Sahrens /* BEGIN CSTYLED */ 131fa9e4066Sahrens #define VERIFY3_IMPL(LEFT, OP, RIGHT, TYPE) do { \ 132fa9e4066Sahrens const TYPE __left = (TYPE)(LEFT); \ 133fa9e4066Sahrens const TYPE __right = (TYPE)(RIGHT); \ 134fa9e4066Sahrens if (!(__left OP __right)) { \ 135fa9e4066Sahrens char *__buf = alloca(256); \ 136fa9e4066Sahrens (void) snprintf(__buf, 256, "%s %s %s (0x%llx %s 0x%llx)", \ 137fa9e4066Sahrens #LEFT, #OP, #RIGHT, \ 138fa9e4066Sahrens (u_longlong_t)__left, #OP, (u_longlong_t)__right); \ 139fa9e4066Sahrens __assert(__buf, __FILE__, __LINE__); \ 140fa9e4066Sahrens } \ 141fa9e4066Sahrens _NOTE(CONSTCOND) } while (0) 142fa9e4066Sahrens /* END CSTYLED */ 143fa9e4066Sahrens #endif /* lint */ 144fa9e4066Sahrens 145fa9e4066Sahrens #define VERIFY3S(x, y, z) VERIFY3_IMPL(x, y, z, int64_t) 146fa9e4066Sahrens #define VERIFY3U(x, y, z) VERIFY3_IMPL(x, y, z, uint64_t) 147fa9e4066Sahrens #define VERIFY3P(x, y, z) VERIFY3_IMPL(x, y, z, uintptr_t) 148fa9e4066Sahrens 149fa9e4066Sahrens #ifdef NDEBUG 150fa9e4066Sahrens #define ASSERT3S(x, y, z) ((void)0) 151fa9e4066Sahrens #define ASSERT3U(x, y, z) ((void)0) 152fa9e4066Sahrens #define ASSERT3P(x, y, z) ((void)0) 153fa9e4066Sahrens #else 154fa9e4066Sahrens #define ASSERT3S(x, y, z) VERIFY3S(x, y, z) 155fa9e4066Sahrens #define ASSERT3U(x, y, z) VERIFY3U(x, y, z) 156fa9e4066Sahrens #define ASSERT3P(x, y, z) VERIFY3P(x, y, z) 157fa9e4066Sahrens #endif 158fa9e4066Sahrens 159fa9e4066Sahrens /* 1603d7072f8Seschrock * DTrace SDT probes have different signatures in userland than they do in 161fa9e4066Sahrens * kernel. If they're being used in kernel code, re-define them out of 162fa9e4066Sahrens * existence for their counterparts in libzpool. 163fa9e4066Sahrens */ 164fa9e4066Sahrens 16505715f94SMark Maybee #ifdef DTRACE_PROBE 16605715f94SMark Maybee #undef DTRACE_PROBE 16705715f94SMark Maybee #define DTRACE_PROBE(a) ((void)0) 16805715f94SMark Maybee #endif /* DTRACE_PROBE */ 16905715f94SMark Maybee 170fa9e4066Sahrens #ifdef DTRACE_PROBE1 171fa9e4066Sahrens #undef DTRACE_PROBE1 172fa9e4066Sahrens #define DTRACE_PROBE1(a, b, c) ((void)0) 173fa9e4066Sahrens #endif /* DTRACE_PROBE1 */ 174fa9e4066Sahrens 175fa9e4066Sahrens #ifdef DTRACE_PROBE2 176fa9e4066Sahrens #undef DTRACE_PROBE2 177fa9e4066Sahrens #define DTRACE_PROBE2(a, b, c, d, e) ((void)0) 178fa9e4066Sahrens #endif /* DTRACE_PROBE2 */ 179fa9e4066Sahrens 180c543ec06Sahrens #ifdef DTRACE_PROBE3 181c543ec06Sahrens #undef DTRACE_PROBE3 182c543ec06Sahrens #define DTRACE_PROBE3(a, b, c, d, e, f, g) ((void)0) 183c543ec06Sahrens #endif /* DTRACE_PROBE3 */ 184c543ec06Sahrens 185faafa6e3Sahrens #ifdef DTRACE_PROBE4 186faafa6e3Sahrens #undef DTRACE_PROBE4 187faafa6e3Sahrens #define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) ((void)0) 188faafa6e3Sahrens #endif /* DTRACE_PROBE4 */ 189faafa6e3Sahrens 190fa9e4066Sahrens /* 191fa9e4066Sahrens * Threads 192fa9e4066Sahrens */ 193fa9e4066Sahrens #define curthread ((void *)(uintptr_t)thr_self()) 194fa9e4066Sahrens 195fa9e4066Sahrens typedef struct kthread kthread_t; 196fa9e4066Sahrens 197fa9e4066Sahrens #define thread_create(stk, stksize, func, arg, len, pp, state, pri) \ 198fa9e4066Sahrens zk_thread_create(func, arg) 1995ad82045Snd #define thread_exit() thr_exit(NULL) 200*35a5a358SJonathan Adams #define thread_join(t) panic("libzpool cannot join threads") 201*35a5a358SJonathan Adams 202*35a5a358SJonathan Adams #define newproc(f, a, cid, pri, ctp, pid) (ENOSYS) 203*35a5a358SJonathan Adams 204*35a5a358SJonathan Adams /* in libzpool, p0 exists only to have its address taken */ 205*35a5a358SJonathan Adams struct proc { 206*35a5a358SJonathan Adams uintptr_t this_is_never_used_dont_dereference_it; 207*35a5a358SJonathan Adams }; 208*35a5a358SJonathan Adams 209*35a5a358SJonathan Adams extern struct proc p0; 210*35a5a358SJonathan Adams 211*35a5a358SJonathan Adams #define PS_NONE -1 212fa9e4066Sahrens 213fa9e4066Sahrens extern kthread_t *zk_thread_create(void (*func)(), void *arg); 214fa9e4066Sahrens 215fa9e4066Sahrens #define issig(why) (FALSE) 216fa9e4066Sahrens #define ISSIG(thr, why) (FALSE) 217fa9e4066Sahrens 218fa9e4066Sahrens /* 219fa9e4066Sahrens * Mutexes 220fa9e4066Sahrens */ 221fa9e4066Sahrens typedef struct kmutex { 222c25056deSgw void *m_owner; 223c25056deSgw boolean_t initialized; 224c25056deSgw mutex_t m_lock; 225fa9e4066Sahrens } kmutex_t; 226fa9e4066Sahrens 227fa9e4066Sahrens #define MUTEX_DEFAULT USYNC_THREAD 228fa9e4066Sahrens #undef MUTEX_HELD 229fa9e4066Sahrens #define MUTEX_HELD(m) _mutex_held(&(m)->m_lock) 230fa9e4066Sahrens 231fa9e4066Sahrens /* 232fa9e4066Sahrens * Argh -- we have to get cheesy here because the kernel and userland 233fa9e4066Sahrens * have different signatures for the same routine. 234fa9e4066Sahrens */ 235fa9e4066Sahrens extern int _mutex_init(mutex_t *mp, int type, void *arg); 236fa9e4066Sahrens extern int _mutex_destroy(mutex_t *mp); 237fa9e4066Sahrens 238fa9e4066Sahrens #define mutex_init(mp, b, c, d) zmutex_init((kmutex_t *)(mp)) 239fa9e4066Sahrens #define mutex_destroy(mp) zmutex_destroy((kmutex_t *)(mp)) 240fa9e4066Sahrens 241fa9e4066Sahrens extern void zmutex_init(kmutex_t *mp); 242fa9e4066Sahrens extern void zmutex_destroy(kmutex_t *mp); 243fa9e4066Sahrens extern void mutex_enter(kmutex_t *mp); 244fa9e4066Sahrens extern void mutex_exit(kmutex_t *mp); 245fa9e4066Sahrens extern int mutex_tryenter(kmutex_t *mp); 246fa9e4066Sahrens extern void *mutex_owner(kmutex_t *mp); 247fa9e4066Sahrens 248fa9e4066Sahrens /* 249fa9e4066Sahrens * RW locks 250fa9e4066Sahrens */ 251fa9e4066Sahrens typedef struct krwlock { 252fa9e4066Sahrens void *rw_owner; 253c25056deSgw boolean_t initialized; 254fa9e4066Sahrens rwlock_t rw_lock; 255fa9e4066Sahrens } krwlock_t; 256fa9e4066Sahrens 257fa9e4066Sahrens typedef int krw_t; 258fa9e4066Sahrens 259fa9e4066Sahrens #define RW_READER 0 260fa9e4066Sahrens #define RW_WRITER 1 261fa9e4066Sahrens #define RW_DEFAULT USYNC_THREAD 262fa9e4066Sahrens 263fa9e4066Sahrens #undef RW_READ_HELD 264fa9e4066Sahrens #define RW_READ_HELD(x) _rw_read_held(&(x)->rw_lock) 265fa9e4066Sahrens 266fa9e4066Sahrens #undef RW_WRITE_HELD 267fa9e4066Sahrens #define RW_WRITE_HELD(x) _rw_write_held(&(x)->rw_lock) 268fa9e4066Sahrens 269fa9e4066Sahrens extern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg); 270fa9e4066Sahrens extern void rw_destroy(krwlock_t *rwlp); 271fa9e4066Sahrens extern void rw_enter(krwlock_t *rwlp, krw_t rw); 272fa9e4066Sahrens extern int rw_tryenter(krwlock_t *rwlp, krw_t rw); 273fa9e4066Sahrens extern int rw_tryupgrade(krwlock_t *rwlp); 274fa9e4066Sahrens extern void rw_exit(krwlock_t *rwlp); 275fa9e4066Sahrens #define rw_downgrade(rwlp) do { } while (0) 276fa9e4066Sahrens 277ecd6cf80Smarks extern uid_t crgetuid(cred_t *cr); 278ecd6cf80Smarks extern gid_t crgetgid(cred_t *cr); 279ecd6cf80Smarks extern int crgetngroups(cred_t *cr); 280ecd6cf80Smarks extern gid_t *crgetgroups(cred_t *cr); 281ecd6cf80Smarks 282fa9e4066Sahrens /* 283fa9e4066Sahrens * Condition variables 284fa9e4066Sahrens */ 285fa9e4066Sahrens typedef cond_t kcondvar_t; 286fa9e4066Sahrens 287fa9e4066Sahrens #define CV_DEFAULT USYNC_THREAD 288fa9e4066Sahrens 289fa9e4066Sahrens extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg); 290fa9e4066Sahrens extern void cv_destroy(kcondvar_t *cv); 291fa9e4066Sahrens extern void cv_wait(kcondvar_t *cv, kmutex_t *mp); 292fa9e4066Sahrens extern clock_t cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime); 293fa9e4066Sahrens extern void cv_signal(kcondvar_t *cv); 294fa9e4066Sahrens extern void cv_broadcast(kcondvar_t *cv); 295fa9e4066Sahrens 29644cb6abcSbmc /* 29744cb6abcSbmc * kstat creation, installation and deletion 29844cb6abcSbmc */ 29944cb6abcSbmc extern kstat_t *kstat_create(char *, int, 30044cb6abcSbmc char *, char *, uchar_t, ulong_t, uchar_t); 30144cb6abcSbmc extern void kstat_install(kstat_t *); 30244cb6abcSbmc extern void kstat_delete(kstat_t *); 30344cb6abcSbmc 304fa9e4066Sahrens /* 305fa9e4066Sahrens * Kernel memory 306fa9e4066Sahrens */ 307fa9e4066Sahrens #define KM_SLEEP UMEM_NOFAIL 3081ab7f2deSmaybee #define KM_PUSHPAGE KM_SLEEP 309fa9e4066Sahrens #define KM_NOSLEEP UMEM_DEFAULT 310a0965f35Sbonwick #define KMC_NODEBUG UMC_NODEBUG 311fa9e4066Sahrens #define kmem_alloc(_s, _f) umem_alloc(_s, _f) 312fa9e4066Sahrens #define kmem_zalloc(_s, _f) umem_zalloc(_s, _f) 313fa9e4066Sahrens #define kmem_free(_b, _s) umem_free(_b, _s) 314fa9e4066Sahrens #define kmem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) \ 315fa9e4066Sahrens umem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) 316fa9e4066Sahrens #define kmem_cache_destroy(_c) umem_cache_destroy(_c) 317fa9e4066Sahrens #define kmem_cache_alloc(_c, _f) umem_cache_alloc(_c, _f) 318fa9e4066Sahrens #define kmem_cache_free(_c, _b) umem_cache_free(_c, _b) 319fa9e4066Sahrens #define kmem_debugging() 0 320fa9e4066Sahrens #define kmem_cache_reap_now(c) 321fa9e4066Sahrens 322fa9e4066Sahrens typedef umem_cache_t kmem_cache_t; 323fa9e4066Sahrens 324fa9e4066Sahrens /* 325fa9e4066Sahrens * Task queues 326fa9e4066Sahrens */ 327fa9e4066Sahrens typedef struct taskq taskq_t; 328fa9e4066Sahrens typedef uintptr_t taskqid_t; 329fa9e4066Sahrens typedef void (task_func_t)(void *); 330fa9e4066Sahrens 331fa9e4066Sahrens #define TASKQ_PREPOPULATE 0x0001 332fa9e4066Sahrens #define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */ 333fa9e4066Sahrens #define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */ 334*35a5a358SJonathan Adams #define TASKQ_THREADS_CPU_PCT 0x0008 /* Scale # threads by # cpus */ 335*35a5a358SJonathan Adams #define TASKQ_DC_BATCH 0x0010 /* Mark threads as batch */ 336fa9e4066Sahrens 337fa9e4066Sahrens #define TQ_SLEEP KM_SLEEP /* Can block for memory */ 338fa9e4066Sahrens #define TQ_NOSLEEP KM_NOSLEEP /* cannot block for memory; may fail */ 339*35a5a358SJonathan Adams #define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */ 340*35a5a358SJonathan Adams #define TQ_FRONT 0x08 /* Queue in front */ 341fa9e4066Sahrens 34288b7b0f2SMatthew Ahrens extern taskq_t *system_taskq; 34388b7b0f2SMatthew Ahrens 344fa9e4066Sahrens extern taskq_t *taskq_create(const char *, int, pri_t, int, int, uint_t); 345*35a5a358SJonathan Adams #define taskq_create_proc(a, b, c, d, e, p, f) \ 346*35a5a358SJonathan Adams (taskq_create(a, b, c, d, e, f)) 347*35a5a358SJonathan Adams #define taskq_create_sysdc(a, b, d, e, p, dc, f) \ 348*35a5a358SJonathan Adams (taskq_create(a, b, maxclsyspri, d, e, f)) 349fa9e4066Sahrens extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t); 350fa9e4066Sahrens extern void taskq_destroy(taskq_t *); 351fa9e4066Sahrens extern void taskq_wait(taskq_t *); 352fa9e4066Sahrens extern int taskq_member(taskq_t *, void *); 35388b7b0f2SMatthew Ahrens extern void system_taskq_init(void); 354d20e665cSRicardo M. Correia extern void system_taskq_fini(void); 355fa9e4066Sahrens 356da6c28aaSamw #define XVA_MAPSIZE 3 357da6c28aaSamw #define XVA_MAGIC 0x78766174 358da6c28aaSamw 359fa9e4066Sahrens /* 360fa9e4066Sahrens * vnodes 361fa9e4066Sahrens */ 362fa9e4066Sahrens typedef struct vnode { 363fa9e4066Sahrens uint64_t v_size; 364fa9e4066Sahrens int v_fd; 365fa9e4066Sahrens char *v_path; 366fa9e4066Sahrens } vnode_t; 367fa9e4066Sahrens 3687a286c47SDai Ngo #define AV_SCANSTAMP_SZ 32 /* length of anti-virus scanstamp */ 369da6c28aaSamw 370da6c28aaSamw typedef struct xoptattr { 371da6c28aaSamw timestruc_t xoa_createtime; /* Create time of file */ 372da6c28aaSamw uint8_t xoa_archive; 373da6c28aaSamw uint8_t xoa_system; 374da6c28aaSamw uint8_t xoa_readonly; 375da6c28aaSamw uint8_t xoa_hidden; 376da6c28aaSamw uint8_t xoa_nounlink; 377da6c28aaSamw uint8_t xoa_immutable; 378da6c28aaSamw uint8_t xoa_appendonly; 379da6c28aaSamw uint8_t xoa_nodump; 380da6c28aaSamw uint8_t xoa_settable; 381da6c28aaSamw uint8_t xoa_opaque; 382da6c28aaSamw uint8_t xoa_av_quarantined; 383da6c28aaSamw uint8_t xoa_av_modified; 3847a286c47SDai Ngo uint8_t xoa_av_scanstamp[AV_SCANSTAMP_SZ]; 3857a286c47SDai Ngo uint8_t xoa_reparse; 386da6c28aaSamw } xoptattr_t; 387da6c28aaSamw 388fa9e4066Sahrens typedef struct vattr { 389fa9e4066Sahrens uint_t va_mask; /* bit-mask of attributes */ 390fa9e4066Sahrens u_offset_t va_size; /* file size in bytes */ 391fa9e4066Sahrens } vattr_t; 392fa9e4066Sahrens 393da6c28aaSamw 394da6c28aaSamw typedef struct xvattr { 395da6c28aaSamw vattr_t xva_vattr; /* Embedded vattr structure */ 396da6c28aaSamw uint32_t xva_magic; /* Magic Number */ 397da6c28aaSamw uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */ 398da6c28aaSamw uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */ 399da6c28aaSamw uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */ 400da6c28aaSamw uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */ 401da6c28aaSamw xoptattr_t xva_xoptattrs; /* Optional attributes */ 402da6c28aaSamw } xvattr_t; 403da6c28aaSamw 404da6c28aaSamw typedef struct vsecattr { 405da6c28aaSamw uint_t vsa_mask; /* See below */ 406da6c28aaSamw int vsa_aclcnt; /* ACL entry count */ 407da6c28aaSamw void *vsa_aclentp; /* pointer to ACL entries */ 408da6c28aaSamw int vsa_dfaclcnt; /* default ACL entry count */ 409da6c28aaSamw void *vsa_dfaclentp; /* pointer to default ACL entries */ 410da6c28aaSamw size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */ 411da6c28aaSamw } vsecattr_t; 412da6c28aaSamw 413da6c28aaSamw #define AT_TYPE 0x00001 414da6c28aaSamw #define AT_MODE 0x00002 415da6c28aaSamw #define AT_UID 0x00004 416da6c28aaSamw #define AT_GID 0x00008 417da6c28aaSamw #define AT_FSID 0x00010 418da6c28aaSamw #define AT_NODEID 0x00020 419da6c28aaSamw #define AT_NLINK 0x00040 420da6c28aaSamw #define AT_SIZE 0x00080 421da6c28aaSamw #define AT_ATIME 0x00100 422da6c28aaSamw #define AT_MTIME 0x00200 423da6c28aaSamw #define AT_CTIME 0x00400 424da6c28aaSamw #define AT_RDEV 0x00800 425da6c28aaSamw #define AT_BLKSIZE 0x01000 426da6c28aaSamw #define AT_NBLOCKS 0x02000 427da6c28aaSamw #define AT_SEQ 0x08000 428da6c28aaSamw #define AT_XVATTR 0x10000 429fa9e4066Sahrens 430fa9e4066Sahrens #define CRCREAT 0 431fa9e4066Sahrens 432095bcd66SGeorge Wilson extern int fop_getattr(vnode_t *vp, vattr_t *vap); 433095bcd66SGeorge Wilson 434da6c28aaSamw #define VOP_CLOSE(vp, f, c, o, cr, ct) 0 435da6c28aaSamw #define VOP_PUTPAGE(vp, of, sz, fl, cr, ct) 0 436095bcd66SGeorge Wilson #define VOP_GETATTR(vp, vap, fl, cr, ct) fop_getattr((vp), (vap)); 437fa9e4066Sahrens 438da6c28aaSamw #define VOP_FSYNC(vp, f, cr, ct) fsync((vp)->v_fd) 439fa9e4066Sahrens 440fa9e4066Sahrens #define VN_RELE(vp) vn_close(vp) 441fa9e4066Sahrens 442fa9e4066Sahrens extern int vn_open(char *path, int x1, int oflags, int mode, vnode_t **vpp, 443fa9e4066Sahrens int x2, int x3); 444fa9e4066Sahrens extern int vn_openat(char *path, int x1, int oflags, int mode, vnode_t **vpp, 445da6c28aaSamw int x2, int x3, vnode_t *vp, int fd); 446fa9e4066Sahrens extern int vn_rdwr(int uio, vnode_t *vp, void *addr, ssize_t len, 447fa9e4066Sahrens offset_t offset, int x1, int x2, rlim64_t x3, void *x4, ssize_t *residp); 448fa9e4066Sahrens extern void vn_close(vnode_t *vp); 449fa9e4066Sahrens 450fa9e4066Sahrens #define vn_remove(path, x1, x2) remove(path) 451fa9e4066Sahrens #define vn_rename(from, to, seg) rename((from), (to)) 4520373e76bSbonwick #define vn_is_readonly(vp) B_FALSE 453fa9e4066Sahrens 454fa9e4066Sahrens extern vnode_t *rootdir; 455fa9e4066Sahrens 456fa9e4066Sahrens #include <sys/file.h> /* for FREAD, FWRITE, etc */ 457fa9e4066Sahrens 458fa9e4066Sahrens /* 459fa9e4066Sahrens * Random stuff 460fa9e4066Sahrens */ 461d3d50737SRafael Vanoni #define ddi_get_lbolt() (gethrtime() >> 23) 462d3d50737SRafael Vanoni #define ddi_get_lbolt64() (gethrtime() >> 23) 463fa9e4066Sahrens #define hz 119 /* frequency when using gethrtime() >> 23 for lbolt */ 464fa9e4066Sahrens 465fa9e4066Sahrens extern void delay(clock_t ticks); 466fa9e4066Sahrens 467fa9e4066Sahrens #define gethrestime_sec() time(NULL) 46871eb0538SChris Kirby #define gethrestime(t) \ 46971eb0538SChris Kirby do {\ 47071eb0538SChris Kirby (t)->tv_sec = gethrestime_sec();\ 47171eb0538SChris Kirby (t)->tv_nsec = 0;\ 47271eb0538SChris Kirby } while (0); 473fa9e4066Sahrens 474fa9e4066Sahrens #define max_ncpus 64 475fa9e4066Sahrens 476fa9e4066Sahrens #define minclsyspri 60 477fa9e4066Sahrens #define maxclsyspri 99 478fa9e4066Sahrens 479fa9e4066Sahrens #define CPU_SEQID (thr_self() & (max_ncpus - 1)) 480fa9e4066Sahrens 481fa9e4066Sahrens #define kcred NULL 482fa9e4066Sahrens #define CRED() NULL 483fa9e4066Sahrens 48405715f94SMark Maybee #define ptob(x) ((x) * PAGESIZE) 48505715f94SMark Maybee 486fa9e4066Sahrens extern uint64_t physmem; 487fa9e4066Sahrens 488fa9e4066Sahrens extern int highbit(ulong_t i); 489fa9e4066Sahrens extern int random_get_bytes(uint8_t *ptr, size_t len); 490fa9e4066Sahrens extern int random_get_pseudo_bytes(uint8_t *ptr, size_t len); 491fa9e4066Sahrens 492fa9e4066Sahrens extern void kernel_init(int); 493fa9e4066Sahrens extern void kernel_fini(void); 494fa9e4066Sahrens 495fa9e4066Sahrens struct spa; 496fa9e4066Sahrens extern void nicenum(uint64_t num, char *buf); 497fa9e4066Sahrens extern void show_pool_stats(struct spa *); 498fa9e4066Sahrens 499fa9e4066Sahrens typedef struct callb_cpr { 500fa9e4066Sahrens kmutex_t *cc_lockp; 501fa9e4066Sahrens } callb_cpr_t; 502fa9e4066Sahrens 503fa9e4066Sahrens #define CALLB_CPR_INIT(cp, lockp, func, name) { \ 504fa9e4066Sahrens (cp)->cc_lockp = lockp; \ 505fa9e4066Sahrens } 506fa9e4066Sahrens 507fa9e4066Sahrens #define CALLB_CPR_SAFE_BEGIN(cp) { \ 508fa9e4066Sahrens ASSERT(MUTEX_HELD((cp)->cc_lockp)); \ 509fa9e4066Sahrens } 510fa9e4066Sahrens 511fa9e4066Sahrens #define CALLB_CPR_SAFE_END(cp, lockp) { \ 512fa9e4066Sahrens ASSERT(MUTEX_HELD((cp)->cc_lockp)); \ 513fa9e4066Sahrens } 514fa9e4066Sahrens 515fa9e4066Sahrens #define CALLB_CPR_EXIT(cp) { \ 516fa9e4066Sahrens ASSERT(MUTEX_HELD((cp)->cc_lockp)); \ 517fa9e4066Sahrens mutex_exit((cp)->cc_lockp); \ 518fa9e4066Sahrens } 519fa9e4066Sahrens 520fa9e4066Sahrens #define zone_dataset_visible(x, y) (1) 521fa9e4066Sahrens #define INGLOBALZONE(z) (1) 522fa9e4066Sahrens 523ae46e4c7SMatthew Ahrens extern char *kmem_asprintf(const char *fmt, ...); 524ae46e4c7SMatthew Ahrens #define strfree(str) kmem_free((str), strlen(str)+1) 525ae46e4c7SMatthew Ahrens 52695173954Sek /* 52795173954Sek * Hostname information 52895173954Sek */ 5295679c89fSjv extern char hw_serial[]; /* for userland-emulated hostid access */ 53095173954Sek extern int ddi_strtoul(const char *str, char **nptr, int base, 53195173954Sek unsigned long *result); 53295173954Sek 533ea8dc4b6Seschrock /* ZFS Boot Related stuff. */ 534ea8dc4b6Seschrock 535ea8dc4b6Seschrock struct _buf { 536ea8dc4b6Seschrock intptr_t _fd; 537ea8dc4b6Seschrock }; 538ea8dc4b6Seschrock 539ea8dc4b6Seschrock struct bootstat { 540ea8dc4b6Seschrock uint64_t st_size; 541ea8dc4b6Seschrock }; 542ea8dc4b6Seschrock 543da6c28aaSamw typedef struct ace_object { 544da6c28aaSamw uid_t a_who; 545da6c28aaSamw uint32_t a_access_mask; 546da6c28aaSamw uint16_t a_flags; 547da6c28aaSamw uint16_t a_type; 548da6c28aaSamw uint8_t a_obj_type[16]; 549da6c28aaSamw uint8_t a_inherit_obj_type[16]; 550da6c28aaSamw } ace_object_t; 551da6c28aaSamw 552da6c28aaSamw 553da6c28aaSamw #define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05 554da6c28aaSamw #define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE 0x06 555da6c28aaSamw #define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07 556da6c28aaSamw #define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08 557da6c28aaSamw 558ea8dc4b6Seschrock extern struct _buf *kobj_open_file(char *name); 559ea8dc4b6Seschrock extern int kobj_read_file(struct _buf *file, char *buf, unsigned size, 560ea8dc4b6Seschrock unsigned off); 561ea8dc4b6Seschrock extern void kobj_close_file(struct _buf *file); 562b1b8ab34Slling extern int kobj_get_filesize(struct _buf *file, uint64_t *size); 563ecd6cf80Smarks extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr); 564ecd6cf80Smarks extern int zfs_secpolicy_rename_perms(const char *from, const char *to, 565ecd6cf80Smarks cred_t *cr); 566ecd6cf80Smarks extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr); 567ecd6cf80Smarks extern zoneid_t getzoneid(void); 568ea8dc4b6Seschrock 569e0d35c44Smarks /* SID stuff */ 570e0d35c44Smarks typedef struct ksiddomain { 571e0d35c44Smarks uint_t kd_ref; 572e0d35c44Smarks uint_t kd_len; 573e0d35c44Smarks char *kd_name; 574e0d35c44Smarks } ksiddomain_t; 575e0d35c44Smarks 576e0d35c44Smarks ksiddomain_t *ksid_lookupdomain(const char *); 577e0d35c44Smarks void ksiddomain_rele(ksiddomain_t *); 578e0d35c44Smarks 579573ca77eSGeorge Wilson #define DDI_SLEEP KM_SLEEP 580573ca77eSGeorge Wilson #define ddi_log_sysevent(_a, _b, _c, _d, _e, _f, _g) \ 581573ca77eSGeorge Wilson sysevent_post_event(_c, _d, _b, "libzpool", _e, _f) 582573ca77eSGeorge Wilson 583f0547164Slling #ifdef __cplusplus 584f0547164Slling } 585f0547164Slling #endif 586f0547164Slling 587fa9e4066Sahrens #endif /* _SYS_ZFS_CONTEXT_H */ 588