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 /* 22744947dcSTom Erickson * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 235aeb9474SGarrett D'Amore * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 2494dd93aeSGeorge Wilson * Copyright (c) 2012 by Delphix. All rights reserved. 254e3c9f44SBill Pijewski * Copyright (c) 2012, Joyent, Inc. All rights reserved. 265aeb9474SGarrett D'Amore */ 27fa9e4066Sahrens 28fa9e4066Sahrens #ifndef _SYS_ZFS_CONTEXT_H 29fa9e4066Sahrens #define _SYS_ZFS_CONTEXT_H 30fa9e4066Sahrens 31fa9e4066Sahrens #ifdef __cplusplus 32fa9e4066Sahrens extern "C" { 33fa9e4066Sahrens #endif 34fa9e4066Sahrens 35fa9e4066Sahrens #define _SYS_MUTEX_H 36fa9e4066Sahrens #define _SYS_RWLOCK_H 37fa9e4066Sahrens #define _SYS_CONDVAR_H 38fa9e4066Sahrens #define _SYS_SYSTM_H 39fa9e4066Sahrens #define _SYS_T_LOCK_H 40fa9e4066Sahrens #define _SYS_VNODE_H 41fa9e4066Sahrens #define _SYS_VFS_H 42fa9e4066Sahrens #define _SYS_SUNDDI_H 43fa9e4066Sahrens #define _SYS_CALLB_H 44fa9e4066Sahrens 45fa9e4066Sahrens #include <stdio.h> 46fa9e4066Sahrens #include <stdlib.h> 47fa9e4066Sahrens #include <stddef.h> 48fa9e4066Sahrens #include <stdarg.h> 49fa9e4066Sahrens #include <fcntl.h> 50fa9e4066Sahrens #include <unistd.h> 51fa9e4066Sahrens #include <errno.h> 52fa9e4066Sahrens #include <string.h> 53fa9e4066Sahrens #include <strings.h> 54fa9e4066Sahrens #include <synch.h> 55fa9e4066Sahrens #include <thread.h> 56fa9e4066Sahrens #include <assert.h> 57fa9e4066Sahrens #include <alloca.h> 58fa9e4066Sahrens #include <umem.h> 59fa9e4066Sahrens #include <limits.h> 60fa9e4066Sahrens #include <atomic.h> 61fa9e4066Sahrens #include <dirent.h> 62fa9e4066Sahrens #include <time.h> 63cd1c8b85SMatthew Ahrens #include <procfs.h> 64573ca77eSGeorge Wilson #include <libsysevent.h> 65fa9e4066Sahrens #include <sys/note.h> 66fa9e4066Sahrens #include <sys/types.h> 67ecd6cf80Smarks #include <sys/cred.h> 68fa9e4066Sahrens #include <sys/sysmacros.h> 69fa9e4066Sahrens #include <sys/bitmap.h> 70fa9e4066Sahrens #include <sys/resource.h> 71fa9e4066Sahrens #include <sys/byteorder.h> 72fa9e4066Sahrens #include <sys/list.h> 73fa9e4066Sahrens #include <sys/uio.h> 74fa9e4066Sahrens #include <sys/zfs_debug.h> 75fa9e4066Sahrens #include <sys/sdt.h> 7644cb6abcSbmc #include <sys/kstat.h> 77de8267e0Stimh #include <sys/u8_textprep.h> 783d7072f8Seschrock #include <sys/sysevent/eventdefs.h> 79573ca77eSGeorge Wilson #include <sys/sysevent/dev.h> 8092241e0bSTom Erickson #include <sys/sunddi.h> 81*fb09f5aaSMadhav Suresh #include <sys/debug.h> 82fa9e4066Sahrens 83fa9e4066Sahrens /* 84fa9e4066Sahrens * Debugging 85fa9e4066Sahrens */ 86fa9e4066Sahrens 87fa9e4066Sahrens /* 88fa9e4066Sahrens * Note that we are not using the debugging levels. 89fa9e4066Sahrens */ 90fa9e4066Sahrens 91fa9e4066Sahrens #define CE_CONT 0 /* continuation */ 92fa9e4066Sahrens #define CE_NOTE 1 /* notice */ 93fa9e4066Sahrens #define CE_WARN 2 /* warning */ 94fa9e4066Sahrens #define CE_PANIC 3 /* panic */ 95fa9e4066Sahrens #define CE_IGNORE 4 /* print nothing */ 96fa9e4066Sahrens 97fa9e4066Sahrens /* 98fa9e4066Sahrens * ZFS debugging 99fa9e4066Sahrens */ 100fa9e4066Sahrens 101fa9e4066Sahrens #ifdef ZFS_DEBUG 102fa9e4066Sahrens extern void dprintf_setup(int *argc, char **argv); 103fa9e4066Sahrens #endif /* ZFS_DEBUG */ 104fa9e4066Sahrens 105fa9e4066Sahrens extern void cmn_err(int, const char *, ...); 1060125049cSahrens extern void vcmn_err(int, const char *, __va_list); 107fa9e4066Sahrens extern void panic(const char *, ...); 108fa9e4066Sahrens extern void vpanic(const char *, __va_list); 109fa9e4066Sahrens 1100a4e9518Sgw #define fm_panic panic 1110a4e9518Sgw 112feef89cfSVictor Latushkin extern int aok; 113feef89cfSVictor Latushkin 114fa9e4066Sahrens /* 1153d7072f8Seschrock * DTrace SDT probes have different signatures in userland than they do in 116fa9e4066Sahrens * kernel. If they're being used in kernel code, re-define them out of 117fa9e4066Sahrens * existence for their counterparts in libzpool. 118fa9e4066Sahrens */ 119fa9e4066Sahrens 12005715f94SMark Maybee #ifdef DTRACE_PROBE 12105715f94SMark Maybee #undef DTRACE_PROBE 12205715f94SMark Maybee #define DTRACE_PROBE(a) ((void)0) 12305715f94SMark Maybee #endif /* DTRACE_PROBE */ 12405715f94SMark Maybee 125fa9e4066Sahrens #ifdef DTRACE_PROBE1 126fa9e4066Sahrens #undef DTRACE_PROBE1 127fa9e4066Sahrens #define DTRACE_PROBE1(a, b, c) ((void)0) 128fa9e4066Sahrens #endif /* DTRACE_PROBE1 */ 129fa9e4066Sahrens 130fa9e4066Sahrens #ifdef DTRACE_PROBE2 131fa9e4066Sahrens #undef DTRACE_PROBE2 132fa9e4066Sahrens #define DTRACE_PROBE2(a, b, c, d, e) ((void)0) 133fa9e4066Sahrens #endif /* DTRACE_PROBE2 */ 134fa9e4066Sahrens 135c543ec06Sahrens #ifdef DTRACE_PROBE3 136c543ec06Sahrens #undef DTRACE_PROBE3 137c543ec06Sahrens #define DTRACE_PROBE3(a, b, c, d, e, f, g) ((void)0) 138c543ec06Sahrens #endif /* DTRACE_PROBE3 */ 139c543ec06Sahrens 140faafa6e3Sahrens #ifdef DTRACE_PROBE4 141faafa6e3Sahrens #undef DTRACE_PROBE4 142faafa6e3Sahrens #define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) ((void)0) 143faafa6e3Sahrens #endif /* DTRACE_PROBE4 */ 144faafa6e3Sahrens 145fa9e4066Sahrens /* 146fa9e4066Sahrens * Threads 147fa9e4066Sahrens */ 148fa9e4066Sahrens #define curthread ((void *)(uintptr_t)thr_self()) 149fa9e4066Sahrens 150fa9e4066Sahrens typedef struct kthread kthread_t; 151fa9e4066Sahrens 152fa9e4066Sahrens #define thread_create(stk, stksize, func, arg, len, pp, state, pri) \ 153fa9e4066Sahrens zk_thread_create(func, arg) 1545ad82045Snd #define thread_exit() thr_exit(NULL) 15535a5a358SJonathan Adams #define thread_join(t) panic("libzpool cannot join threads") 15635a5a358SJonathan Adams 15735a5a358SJonathan Adams #define newproc(f, a, cid, pri, ctp, pid) (ENOSYS) 15835a5a358SJonathan Adams 15935a5a358SJonathan Adams /* in libzpool, p0 exists only to have its address taken */ 16035a5a358SJonathan Adams struct proc { 16135a5a358SJonathan Adams uintptr_t this_is_never_used_dont_dereference_it; 16235a5a358SJonathan Adams }; 16335a5a358SJonathan Adams 16435a5a358SJonathan Adams extern struct proc p0; 1654e3c9f44SBill Pijewski #define curproc (&p0) 16635a5a358SJonathan Adams 16735a5a358SJonathan Adams #define PS_NONE -1 168fa9e4066Sahrens 169fa9e4066Sahrens extern kthread_t *zk_thread_create(void (*func)(), void *arg); 170fa9e4066Sahrens 171fa9e4066Sahrens #define issig(why) (FALSE) 172fa9e4066Sahrens #define ISSIG(thr, why) (FALSE) 173fa9e4066Sahrens 174fa9e4066Sahrens /* 175fa9e4066Sahrens * Mutexes 176fa9e4066Sahrens */ 177fa9e4066Sahrens typedef struct kmutex { 178c25056deSgw void *m_owner; 179c25056deSgw boolean_t initialized; 180c25056deSgw mutex_t m_lock; 181fa9e4066Sahrens } kmutex_t; 182fa9e4066Sahrens 183fa9e4066Sahrens #define MUTEX_DEFAULT USYNC_THREAD 184744947dcSTom Erickson #undef MUTEX_HELD 185744947dcSTom Erickson #undef MUTEX_NOT_HELD 186fa9e4066Sahrens #define MUTEX_HELD(m) _mutex_held(&(m)->m_lock) 187744947dcSTom Erickson #define MUTEX_NOT_HELD(m) (!MUTEX_HELD(m)) 188fa9e4066Sahrens 189fa9e4066Sahrens /* 190fa9e4066Sahrens * Argh -- we have to get cheesy here because the kernel and userland 191fa9e4066Sahrens * have different signatures for the same routine. 192fa9e4066Sahrens */ 193fa9e4066Sahrens extern int _mutex_init(mutex_t *mp, int type, void *arg); 194fa9e4066Sahrens extern int _mutex_destroy(mutex_t *mp); 195fa9e4066Sahrens 196fa9e4066Sahrens #define mutex_init(mp, b, c, d) zmutex_init((kmutex_t *)(mp)) 197fa9e4066Sahrens #define mutex_destroy(mp) zmutex_destroy((kmutex_t *)(mp)) 198fa9e4066Sahrens 199fa9e4066Sahrens extern void zmutex_init(kmutex_t *mp); 200fa9e4066Sahrens extern void zmutex_destroy(kmutex_t *mp); 201fa9e4066Sahrens extern void mutex_enter(kmutex_t *mp); 202fa9e4066Sahrens extern void mutex_exit(kmutex_t *mp); 203fa9e4066Sahrens extern int mutex_tryenter(kmutex_t *mp); 204fa9e4066Sahrens extern void *mutex_owner(kmutex_t *mp); 205fa9e4066Sahrens 206fa9e4066Sahrens /* 207fa9e4066Sahrens * RW locks 208fa9e4066Sahrens */ 209fa9e4066Sahrens typedef struct krwlock { 210fa9e4066Sahrens void *rw_owner; 211c25056deSgw boolean_t initialized; 212fa9e4066Sahrens rwlock_t rw_lock; 213fa9e4066Sahrens } krwlock_t; 214fa9e4066Sahrens 215fa9e4066Sahrens typedef int krw_t; 216fa9e4066Sahrens 217fa9e4066Sahrens #define RW_READER 0 218fa9e4066Sahrens #define RW_WRITER 1 219fa9e4066Sahrens #define RW_DEFAULT USYNC_THREAD 220fa9e4066Sahrens 221fa9e4066Sahrens #undef RW_READ_HELD 222fa9e4066Sahrens #define RW_READ_HELD(x) _rw_read_held(&(x)->rw_lock) 223fa9e4066Sahrens 224fa9e4066Sahrens #undef RW_WRITE_HELD 225fa9e4066Sahrens #define RW_WRITE_HELD(x) _rw_write_held(&(x)->rw_lock) 226fa9e4066Sahrens 227fa9e4066Sahrens extern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg); 228fa9e4066Sahrens extern void rw_destroy(krwlock_t *rwlp); 229fa9e4066Sahrens extern void rw_enter(krwlock_t *rwlp, krw_t rw); 230fa9e4066Sahrens extern int rw_tryenter(krwlock_t *rwlp, krw_t rw); 231fa9e4066Sahrens extern int rw_tryupgrade(krwlock_t *rwlp); 232fa9e4066Sahrens extern void rw_exit(krwlock_t *rwlp); 233fa9e4066Sahrens #define rw_downgrade(rwlp) do { } while (0) 234fa9e4066Sahrens 235ecd6cf80Smarks extern uid_t crgetuid(cred_t *cr); 2364445fffbSMatthew Ahrens extern uid_t crgetruid(cred_t *cr); 237ecd6cf80Smarks extern gid_t crgetgid(cred_t *cr); 238ecd6cf80Smarks extern int crgetngroups(cred_t *cr); 239ecd6cf80Smarks extern gid_t *crgetgroups(cred_t *cr); 240ecd6cf80Smarks 241fa9e4066Sahrens /* 242fa9e4066Sahrens * Condition variables 243fa9e4066Sahrens */ 244fa9e4066Sahrens typedef cond_t kcondvar_t; 245fa9e4066Sahrens 246fa9e4066Sahrens #define CV_DEFAULT USYNC_THREAD 247fa9e4066Sahrens 248fa9e4066Sahrens extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg); 249fa9e4066Sahrens extern void cv_destroy(kcondvar_t *cv); 250fa9e4066Sahrens extern void cv_wait(kcondvar_t *cv, kmutex_t *mp); 251fa9e4066Sahrens extern clock_t cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime); 252fa9e4066Sahrens extern void cv_signal(kcondvar_t *cv); 253fa9e4066Sahrens extern void cv_broadcast(kcondvar_t *cv); 254fa9e4066Sahrens 25544cb6abcSbmc /* 25644cb6abcSbmc * kstat creation, installation and deletion 25744cb6abcSbmc */ 25844cb6abcSbmc extern kstat_t *kstat_create(char *, int, 25944cb6abcSbmc char *, char *, uchar_t, ulong_t, uchar_t); 26044cb6abcSbmc extern void kstat_install(kstat_t *); 26144cb6abcSbmc extern void kstat_delete(kstat_t *); 26244cb6abcSbmc 263fa9e4066Sahrens /* 264fa9e4066Sahrens * Kernel memory 265fa9e4066Sahrens */ 266fa9e4066Sahrens #define KM_SLEEP UMEM_NOFAIL 2671ab7f2deSmaybee #define KM_PUSHPAGE KM_SLEEP 268fa9e4066Sahrens #define KM_NOSLEEP UMEM_DEFAULT 269a0965f35Sbonwick #define KMC_NODEBUG UMC_NODEBUG 270e291592aSJonathan Adams #define KMC_NOTOUCH 0 /* not needed for userland caches */ 271fa9e4066Sahrens #define kmem_alloc(_s, _f) umem_alloc(_s, _f) 272fa9e4066Sahrens #define kmem_zalloc(_s, _f) umem_zalloc(_s, _f) 273fa9e4066Sahrens #define kmem_free(_b, _s) umem_free(_b, _s) 274fa9e4066Sahrens #define kmem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) \ 275fa9e4066Sahrens umem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) 276fa9e4066Sahrens #define kmem_cache_destroy(_c) umem_cache_destroy(_c) 277fa9e4066Sahrens #define kmem_cache_alloc(_c, _f) umem_cache_alloc(_c, _f) 278fa9e4066Sahrens #define kmem_cache_free(_c, _b) umem_cache_free(_c, _b) 279fa9e4066Sahrens #define kmem_debugging() 0 280744947dcSTom Erickson #define kmem_cache_reap_now(_c) /* nothing */ 281744947dcSTom Erickson #define kmem_cache_set_move(_c, _cb) /* nothing */ 28294dd93aeSGeorge Wilson #define vmem_qcache_reap(_v) /* nothing */ 283744947dcSTom Erickson #define POINTER_INVALIDATE(_pp) /* nothing */ 284744947dcSTom Erickson #define POINTER_IS_VALID(_p) 0 285fa9e4066Sahrens 28694dd93aeSGeorge Wilson extern vmem_t *zio_arena; 28794dd93aeSGeorge Wilson 288fa9e4066Sahrens typedef umem_cache_t kmem_cache_t; 289fa9e4066Sahrens 290744947dcSTom Erickson typedef enum kmem_cbrc { 291744947dcSTom Erickson KMEM_CBRC_YES, 292744947dcSTom Erickson KMEM_CBRC_NO, 293744947dcSTom Erickson KMEM_CBRC_LATER, 294744947dcSTom Erickson KMEM_CBRC_DONT_NEED, 295744947dcSTom Erickson KMEM_CBRC_DONT_KNOW 296744947dcSTom Erickson } kmem_cbrc_t; 297744947dcSTom Erickson 298fa9e4066Sahrens /* 299fa9e4066Sahrens * Task queues 300fa9e4066Sahrens */ 301fa9e4066Sahrens typedef struct taskq taskq_t; 302fa9e4066Sahrens typedef uintptr_t taskqid_t; 303fa9e4066Sahrens typedef void (task_func_t)(void *); 304fa9e4066Sahrens 3055aeb9474SGarrett D'Amore typedef struct taskq_ent { 3065aeb9474SGarrett D'Amore struct taskq_ent *tqent_next; 3075aeb9474SGarrett D'Amore struct taskq_ent *tqent_prev; 3085aeb9474SGarrett D'Amore task_func_t *tqent_func; 3095aeb9474SGarrett D'Amore void *tqent_arg; 3105aeb9474SGarrett D'Amore uintptr_t tqent_flags; 3115aeb9474SGarrett D'Amore } taskq_ent_t; 3125aeb9474SGarrett D'Amore 3135aeb9474SGarrett D'Amore #define TQENT_FLAG_PREALLOC 0x1 /* taskq_dispatch_ent used */ 3145aeb9474SGarrett D'Amore 315fa9e4066Sahrens #define TASKQ_PREPOPULATE 0x0001 316fa9e4066Sahrens #define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */ 317fa9e4066Sahrens #define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */ 31835a5a358SJonathan Adams #define TASKQ_THREADS_CPU_PCT 0x0008 /* Scale # threads by # cpus */ 31935a5a358SJonathan Adams #define TASKQ_DC_BATCH 0x0010 /* Mark threads as batch */ 320fa9e4066Sahrens 321fa9e4066Sahrens #define TQ_SLEEP KM_SLEEP /* Can block for memory */ 322fa9e4066Sahrens #define TQ_NOSLEEP KM_NOSLEEP /* cannot block for memory; may fail */ 32335a5a358SJonathan Adams #define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */ 32435a5a358SJonathan Adams #define TQ_FRONT 0x08 /* Queue in front */ 325fa9e4066Sahrens 3265aeb9474SGarrett D'Amore 32788b7b0f2SMatthew Ahrens extern taskq_t *system_taskq; 32888b7b0f2SMatthew Ahrens 329fa9e4066Sahrens extern taskq_t *taskq_create(const char *, int, pri_t, int, int, uint_t); 33035a5a358SJonathan Adams #define taskq_create_proc(a, b, c, d, e, p, f) \ 33135a5a358SJonathan Adams (taskq_create(a, b, c, d, e, f)) 33235a5a358SJonathan Adams #define taskq_create_sysdc(a, b, d, e, p, dc, f) \ 33335a5a358SJonathan Adams (taskq_create(a, b, maxclsyspri, d, e, f)) 334fa9e4066Sahrens extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t); 3355aeb9474SGarrett D'Amore extern void taskq_dispatch_ent(taskq_t *, task_func_t, void *, uint_t, 3365aeb9474SGarrett D'Amore taskq_ent_t *); 337fa9e4066Sahrens extern void taskq_destroy(taskq_t *); 338fa9e4066Sahrens extern void taskq_wait(taskq_t *); 339fa9e4066Sahrens extern int taskq_member(taskq_t *, void *); 34088b7b0f2SMatthew Ahrens extern void system_taskq_init(void); 341d20e665cSRicardo M. Correia extern void system_taskq_fini(void); 342fa9e4066Sahrens 343da6c28aaSamw #define XVA_MAPSIZE 3 344da6c28aaSamw #define XVA_MAGIC 0x78766174 345da6c28aaSamw 346fa9e4066Sahrens /* 347fa9e4066Sahrens * vnodes 348fa9e4066Sahrens */ 349fa9e4066Sahrens typedef struct vnode { 350fa9e4066Sahrens uint64_t v_size; 351fa9e4066Sahrens int v_fd; 352fa9e4066Sahrens char *v_path; 353fa9e4066Sahrens } vnode_t; 354fa9e4066Sahrens 3557a286c47SDai Ngo #define AV_SCANSTAMP_SZ 32 /* length of anti-virus scanstamp */ 356da6c28aaSamw 357da6c28aaSamw typedef struct xoptattr { 358da6c28aaSamw timestruc_t xoa_createtime; /* Create time of file */ 359da6c28aaSamw uint8_t xoa_archive; 360da6c28aaSamw uint8_t xoa_system; 361da6c28aaSamw uint8_t xoa_readonly; 362da6c28aaSamw uint8_t xoa_hidden; 363da6c28aaSamw uint8_t xoa_nounlink; 364da6c28aaSamw uint8_t xoa_immutable; 365da6c28aaSamw uint8_t xoa_appendonly; 366da6c28aaSamw uint8_t xoa_nodump; 367da6c28aaSamw uint8_t xoa_settable; 368da6c28aaSamw uint8_t xoa_opaque; 369da6c28aaSamw uint8_t xoa_av_quarantined; 370da6c28aaSamw uint8_t xoa_av_modified; 3717a286c47SDai Ngo uint8_t xoa_av_scanstamp[AV_SCANSTAMP_SZ]; 3727a286c47SDai Ngo uint8_t xoa_reparse; 373fd9ee8b5Sjoyce mcintosh uint8_t xoa_offline; 374fd9ee8b5Sjoyce mcintosh uint8_t xoa_sparse; 375da6c28aaSamw } xoptattr_t; 376da6c28aaSamw 377fa9e4066Sahrens typedef struct vattr { 378fa9e4066Sahrens uint_t va_mask; /* bit-mask of attributes */ 379fa9e4066Sahrens u_offset_t va_size; /* file size in bytes */ 380fa9e4066Sahrens } vattr_t; 381fa9e4066Sahrens 382da6c28aaSamw 383da6c28aaSamw typedef struct xvattr { 384da6c28aaSamw vattr_t xva_vattr; /* Embedded vattr structure */ 385da6c28aaSamw uint32_t xva_magic; /* Magic Number */ 386da6c28aaSamw uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */ 387da6c28aaSamw uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */ 388da6c28aaSamw uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */ 389da6c28aaSamw uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */ 390da6c28aaSamw xoptattr_t xva_xoptattrs; /* Optional attributes */ 391da6c28aaSamw } xvattr_t; 392da6c28aaSamw 393da6c28aaSamw typedef struct vsecattr { 394da6c28aaSamw uint_t vsa_mask; /* See below */ 395da6c28aaSamw int vsa_aclcnt; /* ACL entry count */ 396da6c28aaSamw void *vsa_aclentp; /* pointer to ACL entries */ 397da6c28aaSamw int vsa_dfaclcnt; /* default ACL entry count */ 398da6c28aaSamw void *vsa_dfaclentp; /* pointer to default ACL entries */ 399da6c28aaSamw size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */ 400da6c28aaSamw } vsecattr_t; 401da6c28aaSamw 402da6c28aaSamw #define AT_TYPE 0x00001 403da6c28aaSamw #define AT_MODE 0x00002 404da6c28aaSamw #define AT_UID 0x00004 405da6c28aaSamw #define AT_GID 0x00008 406da6c28aaSamw #define AT_FSID 0x00010 407da6c28aaSamw #define AT_NODEID 0x00020 408da6c28aaSamw #define AT_NLINK 0x00040 409da6c28aaSamw #define AT_SIZE 0x00080 410da6c28aaSamw #define AT_ATIME 0x00100 411da6c28aaSamw #define AT_MTIME 0x00200 412da6c28aaSamw #define AT_CTIME 0x00400 413da6c28aaSamw #define AT_RDEV 0x00800 414da6c28aaSamw #define AT_BLKSIZE 0x01000 415da6c28aaSamw #define AT_NBLOCKS 0x02000 416da6c28aaSamw #define AT_SEQ 0x08000 417da6c28aaSamw #define AT_XVATTR 0x10000 418fa9e4066Sahrens 419fa9e4066Sahrens #define CRCREAT 0 420fa9e4066Sahrens 421095bcd66SGeorge Wilson extern int fop_getattr(vnode_t *vp, vattr_t *vap); 422095bcd66SGeorge Wilson 423da6c28aaSamw #define VOP_CLOSE(vp, f, c, o, cr, ct) 0 424da6c28aaSamw #define VOP_PUTPAGE(vp, of, sz, fl, cr, ct) 0 425095bcd66SGeorge Wilson #define VOP_GETATTR(vp, vap, fl, cr, ct) fop_getattr((vp), (vap)); 426fa9e4066Sahrens 427da6c28aaSamw #define VOP_FSYNC(vp, f, cr, ct) fsync((vp)->v_fd) 428fa9e4066Sahrens 429fa9e4066Sahrens #define VN_RELE(vp) vn_close(vp) 430fa9e4066Sahrens 431fa9e4066Sahrens extern int vn_open(char *path, int x1, int oflags, int mode, vnode_t **vpp, 432fa9e4066Sahrens int x2, int x3); 433fa9e4066Sahrens extern int vn_openat(char *path, int x1, int oflags, int mode, vnode_t **vpp, 434da6c28aaSamw int x2, int x3, vnode_t *vp, int fd); 435fa9e4066Sahrens extern int vn_rdwr(int uio, vnode_t *vp, void *addr, ssize_t len, 436fa9e4066Sahrens offset_t offset, int x1, int x2, rlim64_t x3, void *x4, ssize_t *residp); 437fa9e4066Sahrens extern void vn_close(vnode_t *vp); 438fa9e4066Sahrens 439fa9e4066Sahrens #define vn_remove(path, x1, x2) remove(path) 440fa9e4066Sahrens #define vn_rename(from, to, seg) rename((from), (to)) 4410373e76bSbonwick #define vn_is_readonly(vp) B_FALSE 442fa9e4066Sahrens 443fa9e4066Sahrens extern vnode_t *rootdir; 444fa9e4066Sahrens 445fa9e4066Sahrens #include <sys/file.h> /* for FREAD, FWRITE, etc */ 446fa9e4066Sahrens 447fa9e4066Sahrens /* 448fa9e4066Sahrens * Random stuff 449fa9e4066Sahrens */ 450d3d50737SRafael Vanoni #define ddi_get_lbolt() (gethrtime() >> 23) 451d3d50737SRafael Vanoni #define ddi_get_lbolt64() (gethrtime() >> 23) 452fa9e4066Sahrens #define hz 119 /* frequency when using gethrtime() >> 23 for lbolt */ 453fa9e4066Sahrens 454fa9e4066Sahrens extern void delay(clock_t ticks); 455fa9e4066Sahrens 456fa9e4066Sahrens #define gethrestime_sec() time(NULL) 45771eb0538SChris Kirby #define gethrestime(t) \ 45871eb0538SChris Kirby do {\ 45971eb0538SChris Kirby (t)->tv_sec = gethrestime_sec();\ 46071eb0538SChris Kirby (t)->tv_nsec = 0;\ 46171eb0538SChris Kirby } while (0); 462fa9e4066Sahrens 463fa9e4066Sahrens #define max_ncpus 64 464fa9e4066Sahrens 465fa9e4066Sahrens #define minclsyspri 60 466fa9e4066Sahrens #define maxclsyspri 99 467fa9e4066Sahrens 468fa9e4066Sahrens #define CPU_SEQID (thr_self() & (max_ncpus - 1)) 469fa9e4066Sahrens 470fa9e4066Sahrens #define kcred NULL 471fa9e4066Sahrens #define CRED() NULL 472fa9e4066Sahrens 47305715f94SMark Maybee #define ptob(x) ((x) * PAGESIZE) 47405715f94SMark Maybee 475fa9e4066Sahrens extern uint64_t physmem; 476fa9e4066Sahrens 477fa9e4066Sahrens extern int highbit(ulong_t i); 478fa9e4066Sahrens extern int random_get_bytes(uint8_t *ptr, size_t len); 479fa9e4066Sahrens extern int random_get_pseudo_bytes(uint8_t *ptr, size_t len); 480fa9e4066Sahrens 481fa9e4066Sahrens extern void kernel_init(int); 482fa9e4066Sahrens extern void kernel_fini(void); 483fa9e4066Sahrens 484fa9e4066Sahrens struct spa; 485fa9e4066Sahrens extern void nicenum(uint64_t num, char *buf); 486fa9e4066Sahrens extern void show_pool_stats(struct spa *); 487fa9e4066Sahrens 488fa9e4066Sahrens typedef struct callb_cpr { 489fa9e4066Sahrens kmutex_t *cc_lockp; 490fa9e4066Sahrens } callb_cpr_t; 491fa9e4066Sahrens 492fa9e4066Sahrens #define CALLB_CPR_INIT(cp, lockp, func, name) { \ 493fa9e4066Sahrens (cp)->cc_lockp = lockp; \ 494fa9e4066Sahrens } 495fa9e4066Sahrens 496fa9e4066Sahrens #define CALLB_CPR_SAFE_BEGIN(cp) { \ 497fa9e4066Sahrens ASSERT(MUTEX_HELD((cp)->cc_lockp)); \ 498fa9e4066Sahrens } 499fa9e4066Sahrens 500fa9e4066Sahrens #define CALLB_CPR_SAFE_END(cp, lockp) { \ 501fa9e4066Sahrens ASSERT(MUTEX_HELD((cp)->cc_lockp)); \ 502fa9e4066Sahrens } 503fa9e4066Sahrens 504fa9e4066Sahrens #define CALLB_CPR_EXIT(cp) { \ 505fa9e4066Sahrens ASSERT(MUTEX_HELD((cp)->cc_lockp)); \ 506fa9e4066Sahrens mutex_exit((cp)->cc_lockp); \ 507fa9e4066Sahrens } 508fa9e4066Sahrens 509fa9e4066Sahrens #define zone_dataset_visible(x, y) (1) 510fa9e4066Sahrens #define INGLOBALZONE(z) (1) 511fa9e4066Sahrens 512ae46e4c7SMatthew Ahrens extern char *kmem_asprintf(const char *fmt, ...); 513ae46e4c7SMatthew Ahrens #define strfree(str) kmem_free((str), strlen(str)+1) 514ae46e4c7SMatthew Ahrens 51595173954Sek /* 51695173954Sek * Hostname information 51795173954Sek */ 5185679c89fSjv extern char hw_serial[]; /* for userland-emulated hostid access */ 51995173954Sek extern int ddi_strtoul(const char *str, char **nptr, int base, 52095173954Sek unsigned long *result); 52195173954Sek 5220a586ceaSMark Shellenbaum extern int ddi_strtoull(const char *str, char **nptr, int base, 5230a586ceaSMark Shellenbaum u_longlong_t *result); 5240a586ceaSMark Shellenbaum 525ea8dc4b6Seschrock /* ZFS Boot Related stuff. */ 526ea8dc4b6Seschrock 527ea8dc4b6Seschrock struct _buf { 528ea8dc4b6Seschrock intptr_t _fd; 529ea8dc4b6Seschrock }; 530ea8dc4b6Seschrock 531ea8dc4b6Seschrock struct bootstat { 532ea8dc4b6Seschrock uint64_t st_size; 533ea8dc4b6Seschrock }; 534ea8dc4b6Seschrock 535da6c28aaSamw typedef struct ace_object { 536da6c28aaSamw uid_t a_who; 537da6c28aaSamw uint32_t a_access_mask; 538da6c28aaSamw uint16_t a_flags; 539da6c28aaSamw uint16_t a_type; 540da6c28aaSamw uint8_t a_obj_type[16]; 541da6c28aaSamw uint8_t a_inherit_obj_type[16]; 542da6c28aaSamw } ace_object_t; 543da6c28aaSamw 544da6c28aaSamw 545da6c28aaSamw #define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05 546da6c28aaSamw #define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE 0x06 547da6c28aaSamw #define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07 548da6c28aaSamw #define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08 549da6c28aaSamw 550ea8dc4b6Seschrock extern struct _buf *kobj_open_file(char *name); 551ea8dc4b6Seschrock extern int kobj_read_file(struct _buf *file, char *buf, unsigned size, 552ea8dc4b6Seschrock unsigned off); 553ea8dc4b6Seschrock extern void kobj_close_file(struct _buf *file); 554b1b8ab34Slling extern int kobj_get_filesize(struct _buf *file, uint64_t *size); 555ecd6cf80Smarks extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr); 556ecd6cf80Smarks extern int zfs_secpolicy_rename_perms(const char *from, const char *to, 557ecd6cf80Smarks cred_t *cr); 558ecd6cf80Smarks extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr); 559ecd6cf80Smarks extern zoneid_t getzoneid(void); 560ea8dc4b6Seschrock 561e0d35c44Smarks /* SID stuff */ 562e0d35c44Smarks typedef struct ksiddomain { 563e0d35c44Smarks uint_t kd_ref; 564e0d35c44Smarks uint_t kd_len; 565e0d35c44Smarks char *kd_name; 566e0d35c44Smarks } ksiddomain_t; 567e0d35c44Smarks 568e0d35c44Smarks ksiddomain_t *ksid_lookupdomain(const char *); 569e0d35c44Smarks void ksiddomain_rele(ksiddomain_t *); 570e0d35c44Smarks 571573ca77eSGeorge Wilson #define DDI_SLEEP KM_SLEEP 572573ca77eSGeorge Wilson #define ddi_log_sysevent(_a, _b, _c, _d, _e, _f, _g) \ 573573ca77eSGeorge Wilson sysevent_post_event(_c, _d, _b, "libzpool", _e, _f) 574573ca77eSGeorge Wilson 575f0547164Slling #ifdef __cplusplus 576f0547164Slling } 577f0547164Slling #endif 578f0547164Slling 579fa9e4066Sahrens #endif /* _SYS_ZFS_CONTEXT_H */ 580