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*5679c89fSjv * 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> 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> 76fa9e4066Sahrens 77fa9e4066Sahrens /* 78fa9e4066Sahrens * Debugging 79fa9e4066Sahrens */ 80fa9e4066Sahrens 81fa9e4066Sahrens /* 82fa9e4066Sahrens * Note that we are not using the debugging levels. 83fa9e4066Sahrens */ 84fa9e4066Sahrens 85fa9e4066Sahrens #define CE_CONT 0 /* continuation */ 86fa9e4066Sahrens #define CE_NOTE 1 /* notice */ 87fa9e4066Sahrens #define CE_WARN 2 /* warning */ 88fa9e4066Sahrens #define CE_PANIC 3 /* panic */ 89fa9e4066Sahrens #define CE_IGNORE 4 /* print nothing */ 90fa9e4066Sahrens 91fa9e4066Sahrens /* 92fa9e4066Sahrens * ZFS debugging 93fa9e4066Sahrens */ 94fa9e4066Sahrens 95fa9e4066Sahrens #ifdef ZFS_DEBUG 96fa9e4066Sahrens extern void dprintf_setup(int *argc, char **argv); 97fa9e4066Sahrens #endif /* ZFS_DEBUG */ 98fa9e4066Sahrens 99fa9e4066Sahrens extern void cmn_err(int, const char *, ...); 1000125049cSahrens extern void vcmn_err(int, const char *, __va_list); 101fa9e4066Sahrens extern void panic(const char *, ...); 102fa9e4066Sahrens extern void vpanic(const char *, __va_list); 103fa9e4066Sahrens 1040a4e9518Sgw #define fm_panic panic 1050a4e9518Sgw 106fa9e4066Sahrens /* This definition is copied from assert.h. */ 107fa9e4066Sahrens #if defined(__STDC__) 108fa9e4066Sahrens #if __STDC_VERSION__ - 0 >= 199901L 109fa9e4066Sahrens #define verify(EX) (void)((EX) || \ 110fa9e4066Sahrens (__assert_c99(#EX, __FILE__, __LINE__, __func__), 0)) 111fa9e4066Sahrens #else 112fa9e4066Sahrens #define verify(EX) (void)((EX) || (__assert(#EX, __FILE__, __LINE__), 0)) 113fa9e4066Sahrens #endif /* __STDC_VERSION__ - 0 >= 199901L */ 114fa9e4066Sahrens #else 115fa9e4066Sahrens #define verify(EX) (void)((EX) || (_assert("EX", __FILE__, __LINE__), 0)) 116fa9e4066Sahrens #endif /* __STDC__ */ 117fa9e4066Sahrens 118fa9e4066Sahrens 119fa9e4066Sahrens #define VERIFY verify 120fa9e4066Sahrens #define ASSERT assert 121fa9e4066Sahrens 122fa9e4066Sahrens extern void __assert(const char *, const char *, int); 123fa9e4066Sahrens 124fa9e4066Sahrens #ifdef lint 125fa9e4066Sahrens #define VERIFY3_IMPL(x, y, z, t) if (x == z) ((void)0) 126fa9e4066Sahrens #else 127fa9e4066Sahrens /* BEGIN CSTYLED */ 128fa9e4066Sahrens #define VERIFY3_IMPL(LEFT, OP, RIGHT, TYPE) do { \ 129fa9e4066Sahrens const TYPE __left = (TYPE)(LEFT); \ 130fa9e4066Sahrens const TYPE __right = (TYPE)(RIGHT); \ 131fa9e4066Sahrens if (!(__left OP __right)) { \ 132fa9e4066Sahrens char *__buf = alloca(256); \ 133fa9e4066Sahrens (void) snprintf(__buf, 256, "%s %s %s (0x%llx %s 0x%llx)", \ 134fa9e4066Sahrens #LEFT, #OP, #RIGHT, \ 135fa9e4066Sahrens (u_longlong_t)__left, #OP, (u_longlong_t)__right); \ 136fa9e4066Sahrens __assert(__buf, __FILE__, __LINE__); \ 137fa9e4066Sahrens } \ 138fa9e4066Sahrens _NOTE(CONSTCOND) } while (0) 139fa9e4066Sahrens /* END CSTYLED */ 140fa9e4066Sahrens #endif /* lint */ 141fa9e4066Sahrens 142fa9e4066Sahrens #define VERIFY3S(x, y, z) VERIFY3_IMPL(x, y, z, int64_t) 143fa9e4066Sahrens #define VERIFY3U(x, y, z) VERIFY3_IMPL(x, y, z, uint64_t) 144fa9e4066Sahrens #define VERIFY3P(x, y, z) VERIFY3_IMPL(x, y, z, uintptr_t) 145fa9e4066Sahrens 146fa9e4066Sahrens #ifdef NDEBUG 147fa9e4066Sahrens #define ASSERT3S(x, y, z) ((void)0) 148fa9e4066Sahrens #define ASSERT3U(x, y, z) ((void)0) 149fa9e4066Sahrens #define ASSERT3P(x, y, z) ((void)0) 150fa9e4066Sahrens #else 151fa9e4066Sahrens #define ASSERT3S(x, y, z) VERIFY3S(x, y, z) 152fa9e4066Sahrens #define ASSERT3U(x, y, z) VERIFY3U(x, y, z) 153fa9e4066Sahrens #define ASSERT3P(x, y, z) VERIFY3P(x, y, z) 154fa9e4066Sahrens #endif 155fa9e4066Sahrens 156fa9e4066Sahrens /* 1573d7072f8Seschrock * DTrace SDT probes have different signatures in userland than they do in 158fa9e4066Sahrens * kernel. If they're being used in kernel code, re-define them out of 159fa9e4066Sahrens * existence for their counterparts in libzpool. 160fa9e4066Sahrens */ 161fa9e4066Sahrens 16205715f94SMark Maybee #ifdef DTRACE_PROBE 16305715f94SMark Maybee #undef DTRACE_PROBE 16405715f94SMark Maybee #define DTRACE_PROBE(a) ((void)0) 16505715f94SMark Maybee #endif /* DTRACE_PROBE */ 16605715f94SMark Maybee 167fa9e4066Sahrens #ifdef DTRACE_PROBE1 168fa9e4066Sahrens #undef DTRACE_PROBE1 169fa9e4066Sahrens #define DTRACE_PROBE1(a, b, c) ((void)0) 170fa9e4066Sahrens #endif /* DTRACE_PROBE1 */ 171fa9e4066Sahrens 172fa9e4066Sahrens #ifdef DTRACE_PROBE2 173fa9e4066Sahrens #undef DTRACE_PROBE2 174fa9e4066Sahrens #define DTRACE_PROBE2(a, b, c, d, e) ((void)0) 175fa9e4066Sahrens #endif /* DTRACE_PROBE2 */ 176fa9e4066Sahrens 177c543ec06Sahrens #ifdef DTRACE_PROBE3 178c543ec06Sahrens #undef DTRACE_PROBE3 179c543ec06Sahrens #define DTRACE_PROBE3(a, b, c, d, e, f, g) ((void)0) 180c543ec06Sahrens #endif /* DTRACE_PROBE3 */ 181c543ec06Sahrens 182faafa6e3Sahrens #ifdef DTRACE_PROBE4 183faafa6e3Sahrens #undef DTRACE_PROBE4 184faafa6e3Sahrens #define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) ((void)0) 185faafa6e3Sahrens #endif /* DTRACE_PROBE4 */ 186faafa6e3Sahrens 187fa9e4066Sahrens /* 188fa9e4066Sahrens * Threads 189fa9e4066Sahrens */ 190fa9e4066Sahrens #define curthread ((void *)(uintptr_t)thr_self()) 191fa9e4066Sahrens 192fa9e4066Sahrens typedef struct kthread kthread_t; 193fa9e4066Sahrens 194fa9e4066Sahrens #define thread_create(stk, stksize, func, arg, len, pp, state, pri) \ 195fa9e4066Sahrens zk_thread_create(func, arg) 1965ad82045Snd #define thread_exit() thr_exit(NULL) 197fa9e4066Sahrens 198fa9e4066Sahrens extern kthread_t *zk_thread_create(void (*func)(), void *arg); 199fa9e4066Sahrens 200fa9e4066Sahrens #define issig(why) (FALSE) 201fa9e4066Sahrens #define ISSIG(thr, why) (FALSE) 202fa9e4066Sahrens 203fa9e4066Sahrens /* 204fa9e4066Sahrens * Mutexes 205fa9e4066Sahrens */ 206fa9e4066Sahrens typedef struct kmutex { 207c25056deSgw void *m_owner; 208c25056deSgw boolean_t initialized; 209c25056deSgw mutex_t m_lock; 210fa9e4066Sahrens } kmutex_t; 211fa9e4066Sahrens 212fa9e4066Sahrens #define MUTEX_DEFAULT USYNC_THREAD 213fa9e4066Sahrens #undef MUTEX_HELD 214fa9e4066Sahrens #define MUTEX_HELD(m) _mutex_held(&(m)->m_lock) 215fa9e4066Sahrens 216fa9e4066Sahrens /* 217fa9e4066Sahrens * Argh -- we have to get cheesy here because the kernel and userland 218fa9e4066Sahrens * have different signatures for the same routine. 219fa9e4066Sahrens */ 220fa9e4066Sahrens extern int _mutex_init(mutex_t *mp, int type, void *arg); 221fa9e4066Sahrens extern int _mutex_destroy(mutex_t *mp); 222fa9e4066Sahrens 223fa9e4066Sahrens #define mutex_init(mp, b, c, d) zmutex_init((kmutex_t *)(mp)) 224fa9e4066Sahrens #define mutex_destroy(mp) zmutex_destroy((kmutex_t *)(mp)) 225fa9e4066Sahrens 226fa9e4066Sahrens extern void zmutex_init(kmutex_t *mp); 227fa9e4066Sahrens extern void zmutex_destroy(kmutex_t *mp); 228fa9e4066Sahrens extern void mutex_enter(kmutex_t *mp); 229fa9e4066Sahrens extern void mutex_exit(kmutex_t *mp); 230fa9e4066Sahrens extern int mutex_tryenter(kmutex_t *mp); 231fa9e4066Sahrens extern void *mutex_owner(kmutex_t *mp); 232fa9e4066Sahrens 233fa9e4066Sahrens /* 234fa9e4066Sahrens * RW locks 235fa9e4066Sahrens */ 236fa9e4066Sahrens typedef struct krwlock { 237fa9e4066Sahrens void *rw_owner; 238c25056deSgw boolean_t initialized; 239fa9e4066Sahrens rwlock_t rw_lock; 240fa9e4066Sahrens } krwlock_t; 241fa9e4066Sahrens 242fa9e4066Sahrens typedef int krw_t; 243fa9e4066Sahrens 244fa9e4066Sahrens #define RW_READER 0 245fa9e4066Sahrens #define RW_WRITER 1 246fa9e4066Sahrens #define RW_DEFAULT USYNC_THREAD 247fa9e4066Sahrens 248fa9e4066Sahrens #undef RW_READ_HELD 249fa9e4066Sahrens #define RW_READ_HELD(x) _rw_read_held(&(x)->rw_lock) 250fa9e4066Sahrens 251fa9e4066Sahrens #undef RW_WRITE_HELD 252fa9e4066Sahrens #define RW_WRITE_HELD(x) _rw_write_held(&(x)->rw_lock) 253fa9e4066Sahrens 254fa9e4066Sahrens extern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg); 255fa9e4066Sahrens extern void rw_destroy(krwlock_t *rwlp); 256fa9e4066Sahrens extern void rw_enter(krwlock_t *rwlp, krw_t rw); 257fa9e4066Sahrens extern int rw_tryenter(krwlock_t *rwlp, krw_t rw); 258fa9e4066Sahrens extern int rw_tryupgrade(krwlock_t *rwlp); 259fa9e4066Sahrens extern void rw_exit(krwlock_t *rwlp); 260fa9e4066Sahrens #define rw_downgrade(rwlp) do { } while (0) 261fa9e4066Sahrens 262ecd6cf80Smarks extern uid_t crgetuid(cred_t *cr); 263ecd6cf80Smarks extern gid_t crgetgid(cred_t *cr); 264ecd6cf80Smarks extern int crgetngroups(cred_t *cr); 265ecd6cf80Smarks extern gid_t *crgetgroups(cred_t *cr); 266ecd6cf80Smarks 267fa9e4066Sahrens /* 268fa9e4066Sahrens * Condition variables 269fa9e4066Sahrens */ 270fa9e4066Sahrens typedef cond_t kcondvar_t; 271fa9e4066Sahrens 272fa9e4066Sahrens #define CV_DEFAULT USYNC_THREAD 273fa9e4066Sahrens 274fa9e4066Sahrens extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg); 275fa9e4066Sahrens extern void cv_destroy(kcondvar_t *cv); 276fa9e4066Sahrens extern void cv_wait(kcondvar_t *cv, kmutex_t *mp); 277fa9e4066Sahrens extern clock_t cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime); 278fa9e4066Sahrens extern void cv_signal(kcondvar_t *cv); 279fa9e4066Sahrens extern void cv_broadcast(kcondvar_t *cv); 280fa9e4066Sahrens 28144cb6abcSbmc /* 28244cb6abcSbmc * kstat creation, installation and deletion 28344cb6abcSbmc */ 28444cb6abcSbmc extern kstat_t *kstat_create(char *, int, 28544cb6abcSbmc char *, char *, uchar_t, ulong_t, uchar_t); 28644cb6abcSbmc extern void kstat_install(kstat_t *); 28744cb6abcSbmc extern void kstat_delete(kstat_t *); 28844cb6abcSbmc 289fa9e4066Sahrens /* 290fa9e4066Sahrens * Kernel memory 291fa9e4066Sahrens */ 292fa9e4066Sahrens #define KM_SLEEP UMEM_NOFAIL 2931ab7f2deSmaybee #define KM_PUSHPAGE KM_SLEEP 294fa9e4066Sahrens #define KM_NOSLEEP UMEM_DEFAULT 295a0965f35Sbonwick #define KMC_NODEBUG UMC_NODEBUG 296fa9e4066Sahrens #define kmem_alloc(_s, _f) umem_alloc(_s, _f) 297fa9e4066Sahrens #define kmem_zalloc(_s, _f) umem_zalloc(_s, _f) 298fa9e4066Sahrens #define kmem_free(_b, _s) umem_free(_b, _s) 299fa9e4066Sahrens #define kmem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) \ 300fa9e4066Sahrens umem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) 301fa9e4066Sahrens #define kmem_cache_destroy(_c) umem_cache_destroy(_c) 302fa9e4066Sahrens #define kmem_cache_alloc(_c, _f) umem_cache_alloc(_c, _f) 303fa9e4066Sahrens #define kmem_cache_free(_c, _b) umem_cache_free(_c, _b) 304fa9e4066Sahrens #define kmem_debugging() 0 305fa9e4066Sahrens #define kmem_cache_reap_now(c) 306fa9e4066Sahrens 307fa9e4066Sahrens typedef umem_cache_t kmem_cache_t; 308fa9e4066Sahrens 309fa9e4066Sahrens /* 310fa9e4066Sahrens * Task queues 311fa9e4066Sahrens */ 312fa9e4066Sahrens typedef struct taskq taskq_t; 313fa9e4066Sahrens typedef uintptr_t taskqid_t; 314fa9e4066Sahrens typedef void (task_func_t)(void *); 315fa9e4066Sahrens 316fa9e4066Sahrens #define TASKQ_PREPOPULATE 0x0001 317fa9e4066Sahrens #define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */ 318fa9e4066Sahrens #define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */ 319fa9e4066Sahrens 320fa9e4066Sahrens #define TQ_SLEEP KM_SLEEP /* Can block for memory */ 321fa9e4066Sahrens #define TQ_NOSLEEP KM_NOSLEEP /* cannot block for memory; may fail */ 322fa9e4066Sahrens #define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */ 323fa9e4066Sahrens 32488b7b0f2SMatthew Ahrens extern taskq_t *system_taskq; 32588b7b0f2SMatthew Ahrens 326fa9e4066Sahrens extern taskq_t *taskq_create(const char *, int, pri_t, int, int, uint_t); 327fa9e4066Sahrens extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t); 328fa9e4066Sahrens extern void taskq_destroy(taskq_t *); 329fa9e4066Sahrens extern void taskq_wait(taskq_t *); 330fa9e4066Sahrens extern int taskq_member(taskq_t *, void *); 33188b7b0f2SMatthew Ahrens extern void system_taskq_init(void); 332fa9e4066Sahrens 333da6c28aaSamw #define XVA_MAPSIZE 3 334da6c28aaSamw #define XVA_MAGIC 0x78766174 335da6c28aaSamw 336fa9e4066Sahrens /* 337fa9e4066Sahrens * vnodes 338fa9e4066Sahrens */ 339fa9e4066Sahrens typedef struct vnode { 340fa9e4066Sahrens uint64_t v_size; 341fa9e4066Sahrens int v_fd; 342fa9e4066Sahrens char *v_path; 343fa9e4066Sahrens } vnode_t; 344fa9e4066Sahrens 345da6c28aaSamw 346da6c28aaSamw typedef struct xoptattr { 347da6c28aaSamw timestruc_t xoa_createtime; /* Create time of file */ 348da6c28aaSamw uint8_t xoa_archive; 349da6c28aaSamw uint8_t xoa_system; 350da6c28aaSamw uint8_t xoa_readonly; 351da6c28aaSamw uint8_t xoa_hidden; 352da6c28aaSamw uint8_t xoa_nounlink; 353da6c28aaSamw uint8_t xoa_immutable; 354da6c28aaSamw uint8_t xoa_appendonly; 355da6c28aaSamw uint8_t xoa_nodump; 356da6c28aaSamw uint8_t xoa_settable; 357da6c28aaSamw uint8_t xoa_opaque; 358da6c28aaSamw uint8_t xoa_av_quarantined; 359da6c28aaSamw uint8_t xoa_av_modified; 360da6c28aaSamw } xoptattr_t; 361da6c28aaSamw 362fa9e4066Sahrens typedef struct vattr { 363fa9e4066Sahrens uint_t va_mask; /* bit-mask of attributes */ 364fa9e4066Sahrens u_offset_t va_size; /* file size in bytes */ 365fa9e4066Sahrens } vattr_t; 366fa9e4066Sahrens 367da6c28aaSamw 368da6c28aaSamw typedef struct xvattr { 369da6c28aaSamw vattr_t xva_vattr; /* Embedded vattr structure */ 370da6c28aaSamw uint32_t xva_magic; /* Magic Number */ 371da6c28aaSamw uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */ 372da6c28aaSamw uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */ 373da6c28aaSamw uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */ 374da6c28aaSamw uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */ 375da6c28aaSamw xoptattr_t xva_xoptattrs; /* Optional attributes */ 376da6c28aaSamw } xvattr_t; 377da6c28aaSamw 378da6c28aaSamw typedef struct vsecattr { 379da6c28aaSamw uint_t vsa_mask; /* See below */ 380da6c28aaSamw int vsa_aclcnt; /* ACL entry count */ 381da6c28aaSamw void *vsa_aclentp; /* pointer to ACL entries */ 382da6c28aaSamw int vsa_dfaclcnt; /* default ACL entry count */ 383da6c28aaSamw void *vsa_dfaclentp; /* pointer to default ACL entries */ 384da6c28aaSamw size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */ 385da6c28aaSamw } vsecattr_t; 386da6c28aaSamw 387da6c28aaSamw #define AT_TYPE 0x00001 388da6c28aaSamw #define AT_MODE 0x00002 389da6c28aaSamw #define AT_UID 0x00004 390da6c28aaSamw #define AT_GID 0x00008 391da6c28aaSamw #define AT_FSID 0x00010 392da6c28aaSamw #define AT_NODEID 0x00020 393da6c28aaSamw #define AT_NLINK 0x00040 394da6c28aaSamw #define AT_SIZE 0x00080 395da6c28aaSamw #define AT_ATIME 0x00100 396da6c28aaSamw #define AT_MTIME 0x00200 397da6c28aaSamw #define AT_CTIME 0x00400 398da6c28aaSamw #define AT_RDEV 0x00800 399da6c28aaSamw #define AT_BLKSIZE 0x01000 400da6c28aaSamw #define AT_NBLOCKS 0x02000 401da6c28aaSamw #define AT_SEQ 0x08000 402da6c28aaSamw #define AT_XVATTR 0x10000 403fa9e4066Sahrens 404fa9e4066Sahrens #define CRCREAT 0 405fa9e4066Sahrens 406da6c28aaSamw #define VOP_CLOSE(vp, f, c, o, cr, ct) 0 407da6c28aaSamw #define VOP_PUTPAGE(vp, of, sz, fl, cr, ct) 0 408da6c28aaSamw #define VOP_GETATTR(vp, vap, fl, cr, ct) ((vap)->va_size = (vp)->v_size, 0) 409fa9e4066Sahrens 410da6c28aaSamw #define VOP_FSYNC(vp, f, cr, ct) fsync((vp)->v_fd) 411fa9e4066Sahrens 412fa9e4066Sahrens #define VN_RELE(vp) vn_close(vp) 413fa9e4066Sahrens 414fa9e4066Sahrens extern int vn_open(char *path, int x1, int oflags, int mode, vnode_t **vpp, 415fa9e4066Sahrens int x2, int x3); 416fa9e4066Sahrens extern int vn_openat(char *path, int x1, int oflags, int mode, vnode_t **vpp, 417da6c28aaSamw int x2, int x3, vnode_t *vp, int fd); 418fa9e4066Sahrens extern int vn_rdwr(int uio, vnode_t *vp, void *addr, ssize_t len, 419fa9e4066Sahrens offset_t offset, int x1, int x2, rlim64_t x3, void *x4, ssize_t *residp); 420fa9e4066Sahrens extern void vn_close(vnode_t *vp); 421fa9e4066Sahrens 422fa9e4066Sahrens #define vn_remove(path, x1, x2) remove(path) 423fa9e4066Sahrens #define vn_rename(from, to, seg) rename((from), (to)) 4240373e76bSbonwick #define vn_is_readonly(vp) B_FALSE 425fa9e4066Sahrens 426fa9e4066Sahrens extern vnode_t *rootdir; 427fa9e4066Sahrens 428fa9e4066Sahrens #include <sys/file.h> /* for FREAD, FWRITE, etc */ 429fa9e4066Sahrens 430fa9e4066Sahrens /* 431fa9e4066Sahrens * Random stuff 432fa9e4066Sahrens */ 433fa9e4066Sahrens #define lbolt (gethrtime() >> 23) 434fa9e4066Sahrens #define lbolt64 (gethrtime() >> 23) 435fa9e4066Sahrens #define hz 119 /* frequency when using gethrtime() >> 23 for lbolt */ 436fa9e4066Sahrens 437fa9e4066Sahrens extern void delay(clock_t ticks); 438fa9e4066Sahrens 439fa9e4066Sahrens #define gethrestime_sec() time(NULL) 440fa9e4066Sahrens 441fa9e4066Sahrens #define max_ncpus 64 442fa9e4066Sahrens 443fa9e4066Sahrens #define minclsyspri 60 444fa9e4066Sahrens #define maxclsyspri 99 445fa9e4066Sahrens 446fa9e4066Sahrens #define CPU_SEQID (thr_self() & (max_ncpus - 1)) 447fa9e4066Sahrens 448fa9e4066Sahrens #define kcred NULL 449fa9e4066Sahrens #define CRED() NULL 450fa9e4066Sahrens 45105715f94SMark Maybee #define ptob(x) ((x) * PAGESIZE) 45205715f94SMark Maybee 453fa9e4066Sahrens extern uint64_t physmem; 454fa9e4066Sahrens 455fa9e4066Sahrens extern int highbit(ulong_t i); 456fa9e4066Sahrens extern int random_get_bytes(uint8_t *ptr, size_t len); 457fa9e4066Sahrens extern int random_get_pseudo_bytes(uint8_t *ptr, size_t len); 458fa9e4066Sahrens 459fa9e4066Sahrens extern void kernel_init(int); 460fa9e4066Sahrens extern void kernel_fini(void); 461fa9e4066Sahrens 462fa9e4066Sahrens struct spa; 463fa9e4066Sahrens extern void nicenum(uint64_t num, char *buf); 464fa9e4066Sahrens extern void show_pool_stats(struct spa *); 465fa9e4066Sahrens 466fa9e4066Sahrens typedef struct callb_cpr { 467fa9e4066Sahrens kmutex_t *cc_lockp; 468fa9e4066Sahrens } callb_cpr_t; 469fa9e4066Sahrens 470fa9e4066Sahrens #define CALLB_CPR_INIT(cp, lockp, func, name) { \ 471fa9e4066Sahrens (cp)->cc_lockp = lockp; \ 472fa9e4066Sahrens } 473fa9e4066Sahrens 474fa9e4066Sahrens #define CALLB_CPR_SAFE_BEGIN(cp) { \ 475fa9e4066Sahrens ASSERT(MUTEX_HELD((cp)->cc_lockp)); \ 476fa9e4066Sahrens } 477fa9e4066Sahrens 478fa9e4066Sahrens #define CALLB_CPR_SAFE_END(cp, lockp) { \ 479fa9e4066Sahrens ASSERT(MUTEX_HELD((cp)->cc_lockp)); \ 480fa9e4066Sahrens } 481fa9e4066Sahrens 482fa9e4066Sahrens #define CALLB_CPR_EXIT(cp) { \ 483fa9e4066Sahrens ASSERT(MUTEX_HELD((cp)->cc_lockp)); \ 484fa9e4066Sahrens mutex_exit((cp)->cc_lockp); \ 485fa9e4066Sahrens } 486fa9e4066Sahrens 487fa9e4066Sahrens #define zone_dataset_visible(x, y) (1) 488fa9e4066Sahrens #define INGLOBALZONE(z) (1) 489fa9e4066Sahrens 49095173954Sek /* 49195173954Sek * Hostname information 49295173954Sek */ 493*5679c89fSjv extern char hw_serial[]; /* for userland-emulated hostid access */ 49495173954Sek extern int ddi_strtoul(const char *str, char **nptr, int base, 49595173954Sek unsigned long *result); 49695173954Sek 497ea8dc4b6Seschrock /* ZFS Boot Related stuff. */ 498ea8dc4b6Seschrock 499ea8dc4b6Seschrock struct _buf { 500ea8dc4b6Seschrock intptr_t _fd; 501ea8dc4b6Seschrock }; 502ea8dc4b6Seschrock 503ea8dc4b6Seschrock struct bootstat { 504ea8dc4b6Seschrock uint64_t st_size; 505ea8dc4b6Seschrock }; 506ea8dc4b6Seschrock 507da6c28aaSamw typedef struct ace_object { 508da6c28aaSamw uid_t a_who; 509da6c28aaSamw uint32_t a_access_mask; 510da6c28aaSamw uint16_t a_flags; 511da6c28aaSamw uint16_t a_type; 512da6c28aaSamw uint8_t a_obj_type[16]; 513da6c28aaSamw uint8_t a_inherit_obj_type[16]; 514da6c28aaSamw } ace_object_t; 515da6c28aaSamw 516da6c28aaSamw 517da6c28aaSamw #define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05 518da6c28aaSamw #define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE 0x06 519da6c28aaSamw #define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07 520da6c28aaSamw #define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08 521da6c28aaSamw 522ea8dc4b6Seschrock extern struct _buf *kobj_open_file(char *name); 523ea8dc4b6Seschrock extern int kobj_read_file(struct _buf *file, char *buf, unsigned size, 524ea8dc4b6Seschrock unsigned off); 525ea8dc4b6Seschrock extern void kobj_close_file(struct _buf *file); 526b1b8ab34Slling extern int kobj_get_filesize(struct _buf *file, uint64_t *size); 527ecd6cf80Smarks extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr); 528ecd6cf80Smarks extern int zfs_secpolicy_rename_perms(const char *from, const char *to, 529ecd6cf80Smarks cred_t *cr); 530ecd6cf80Smarks extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr); 531ecd6cf80Smarks extern zoneid_t getzoneid(void); 532ea8dc4b6Seschrock 533e0d35c44Smarks /* SID stuff */ 534e0d35c44Smarks typedef struct ksiddomain { 535e0d35c44Smarks uint_t kd_ref; 536e0d35c44Smarks uint_t kd_len; 537e0d35c44Smarks char *kd_name; 538e0d35c44Smarks } ksiddomain_t; 539e0d35c44Smarks 540e0d35c44Smarks ksiddomain_t *ksid_lookupdomain(const char *); 541e0d35c44Smarks void ksiddomain_rele(ksiddomain_t *); 542e0d35c44Smarks 543f0547164Slling #ifdef __cplusplus 544f0547164Slling } 545f0547164Slling #endif 546f0547164Slling 547fa9e4066Sahrens #endif /* _SYS_ZFS_CONTEXT_H */ 548