2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License (the "License").
2N/A * You may not use this file except in compliance with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A/*
2N/A * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
2N/A */
2N/A
2N/A#ifndef _SYS_ZFS_CONTEXT_H
2N/A#define _SYS_ZFS_CONTEXT_H
2N/A
2N/A#ifdef __cplusplus
2N/Aextern "C" {
2N/A#endif
2N/A
2N/A#define _SYS_MUTEX_H
2N/A#define _SYS_RWLOCK_H
2N/A#define _SYS_CONDVAR_H
2N/A#define _SYS_SYSTM_H
2N/A#define _SYS_DEBUG_H
2N/A#define _SYS_T_LOCK_H
2N/A#define _SYS_VNODE_H
2N/A#define _SYS_VFS_H
2N/A#define _SYS_SUNDDI_H
2N/A#define _SYS_CALLB_H
2N/A
2N/A#include <stdio.h>
2N/A#include <stdlib.h>
2N/A#include <stddef.h>
2N/A#include <stdarg.h>
2N/A#include <fcntl.h>
2N/A#include <unistd.h>
2N/A#include <errno.h>
2N/A#include <string.h>
2N/A#include <strings.h>
2N/A#include <synch.h>
2N/A#include <thread.h>
2N/A#include <assert.h>
2N/A#include <alloca.h>
2N/A#include <umem.h>
2N/A#include <limits.h>
2N/A#include <atomic.h>
2N/A#include <dirent.h>
2N/A#include <time.h>
2N/A#include <libsysevent.h>
2N/A#include <sys/note.h>
2N/A#include <sys/types.h>
2N/A#include <sys/cred.h>
2N/A#include <sys/sysmacros.h>
2N/A#include <sys/bitmap.h>
2N/A#include <sys/resource.h>
2N/A#include <sys/byteorder.h>
2N/A#include <sys/list.h>
2N/A#include <sys/uio.h>
2N/A#include <sys/zfs_debug.h>
2N/A#include <sys/sdt.h>
2N/A#include <sys/kstat.h>
2N/A#include <sys/u8_textprep.h>
2N/A#include <sys/sysevent/eventdefs.h>
2N/A#include <sys/sysevent/dev.h>
2N/A#include <sys/sunddi.h>
2N/A#include <sys/io_mvec.h>
2N/A#include <tsol/label.h>
2N/A
2N/A/*
2N/A * Debugging
2N/A */
2N/A
2N/A/*
2N/A * Note that we are not using the debugging levels.
2N/A */
2N/A
2N/A#define CE_CONT 0 /* continuation */
2N/A#define CE_NOTE 1 /* notice */
2N/A#define CE_WARN 2 /* warning */
2N/A#define CE_PANIC 3 /* panic */
2N/A#define CE_IGNORE 4 /* print nothing */
2N/A
2N/A/*
2N/A * ZFS debugging
2N/A */
2N/A
2N/A#ifdef ZFS_DEBUG
2N/Aextern void dprintf_setup(int *argc, char **argv);
2N/A#endif /* ZFS_DEBUG */
2N/A
2N/Aextern void cmn_err(int, const char *, ...);
2N/Aextern void vcmn_err(int, const char *, __va_list);
2N/Aextern void panic(const char *, ...);
2N/Aextern void vpanic(const char *, __va_list);
2N/A
2N/A#define fm_panic panic
2N/A
2N/Aextern int aok;
2N/A
2N/A/* This definition is copied from assert.h. */
2N/A#if defined(__STDC__)
2N/A#if __STDC_VERSION__ - 0 >= 199901L
2N/A#define zverify(EX) (void)((EX) || (aok) || \
2N/A (__assert_c99(#EX, __FILE__, __LINE__, __func__), 0))
2N/A#else
2N/A#define zverify(EX) (void)((EX) || (aok) || \
2N/A (__assert(#EX, __FILE__, __LINE__), 0))
2N/A#endif /* __STDC_VERSION__ - 0 >= 199901L */
2N/A#else
2N/A#define zverify(EX) (void)((EX) || (aok) || \
2N/A (_assert("EX", __FILE__, __LINE__), 0))
2N/A#endif /* __STDC__ */
2N/A
2N/A
2N/A#define VERIFY zverify
2N/A#define ASSERT zverify
2N/A#undef assert
2N/A#define assert zverify
2N/A
2N/Aextern void __assert(const char *, const char *, int);
2N/A
2N/A#ifdef NDEBUG
2N/A#define IMPLY(A, B) ((void)0)
2N/A#define EQUIV(A, B) ((void)0)
2N/A#else
2N/A#define IMPLY(A, B) \
2N/A ((void)(((!(A)) || (B)) || \
2N/A (__assert("(" #A ") implies (" #B ")", __FILE__, __LINE__), 0)))
2N/A#define EQUIV(A, B) \
2N/A ((void)((!!(A) == !!(B)) || \
2N/A (__assert("(" #A ") is equivalent to (" #B ")", \
2N/A __FILE__, __LINE__), 0)))
2N/A#endif
2N/A
2N/A#ifdef lint
2N/A#define VERIFY3_IMPL(x, y, z, t) if (x == z) ((void)0)
2N/A#else
2N/A/* BEGIN CSTYLED */
2N/A#define VERIFY3_IMPL(LEFT, OP, RIGHT, TYPE) do { \
2N/A const TYPE __left = (TYPE)(LEFT); \
2N/A const TYPE __right = (TYPE)(RIGHT); \
2N/A if (!(__left OP __right) && (!aok)) { \
2N/A char *__buf = alloca(256); \
2N/A (void) snprintf(__buf, 256, "%s %s %s (0x%llx %s 0x%llx)", \
2N/A #LEFT, #OP, #RIGHT, \
2N/A (u_longlong_t)__left, #OP, (u_longlong_t)__right); \
2N/A __assert(__buf, __FILE__, __LINE__); \
2N/A } \
2N/A_NOTE(CONSTCOND) } while (0)
2N/A/* END CSTYLED */
2N/A#endif /* lint */
2N/A
2N/A#define VERIFY3S(x, y, z) VERIFY3_IMPL(x, y, z, int64_t)
2N/A#define VERIFY3U(x, y, z) VERIFY3_IMPL(x, y, z, uint64_t)
2N/A#define VERIFY3P(x, y, z) VERIFY3_IMPL(x, y, z, uintptr_t)
2N/A
2N/A#ifdef NDEBUG
2N/A#define ASSERT3S(x, y, z) ((void)0)
2N/A#define ASSERT3U(x, y, z) ((void)0)
2N/A#define ASSERT3P(x, y, z) ((void)0)
2N/A#else
2N/A#define ASSERT3S(x, y, z) VERIFY3S(x, y, z)
2N/A#define ASSERT3U(x, y, z) VERIFY3U(x, y, z)
2N/A#define ASSERT3P(x, y, z) VERIFY3P(x, y, z)
2N/A#endif
2N/A
2N/A/*
2N/A * DTrace SDT probes have different signatures in userland than they do in
2N/A * kernel. If they're being used in kernel code, re-define them out of
2N/A * existence for their counterparts in libzpool.
2N/A */
2N/A
2N/A#ifdef DTRACE_PROBE
2N/A#undef DTRACE_PROBE
2N/A#define DTRACE_PROBE(a) ((void)0)
2N/A#endif /* DTRACE_PROBE */
2N/A
2N/A#ifdef DTRACE_PROBE1
2N/A#undef DTRACE_PROBE1
2N/A#define DTRACE_PROBE1(a, b, c) ((void)0)
2N/A#endif /* DTRACE_PROBE1 */
2N/A
2N/A#ifdef DTRACE_PROBE2
2N/A#undef DTRACE_PROBE2
2N/A#define DTRACE_PROBE2(a, b, c, d, e) ((void)0)
2N/A#endif /* DTRACE_PROBE2 */
2N/A
2N/A#ifdef DTRACE_PROBE3
2N/A#undef DTRACE_PROBE3
2N/A#define DTRACE_PROBE3(a, b, c, d, e, f, g) ((void)0)
2N/A#endif /* DTRACE_PROBE3 */
2N/A
2N/A#ifdef DTRACE_PROBE4
2N/A#undef DTRACE_PROBE4
2N/A#define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) ((void)0)
2N/A#endif /* DTRACE_PROBE4 */
2N/A
2N/A/*
2N/A * Threads
2N/A */
2N/A#define curthread ((void *)(uintptr_t)thr_self())
2N/A
2N/Atypedef struct kthread kthread_t;
2N/A
2N/A#define thread_create(stk, stksize, func, arg, len, pp, state, pri) \
2N/A zk_thread_create(func, arg)
2N/A#define thread_exit() thr_exit(NULL)
2N/A#define thread_join(t) panic("libzpool cannot join threads")
2N/A#define thread_setpushpage() ((void)0)
2N/A
2N/A#define newproc(f, a, cid, pri, ctp, pid) (ENOSYS)
2N/A
2N/A/* in libzpool, p0 exists only to have its address taken */
2N/Astruct proc {
2N/A uintptr_t this_is_never_used_dont_dereference_it;
2N/A};
2N/A
2N/Aextern struct proc p0;
2N/A
2N/A#define PS_NONE -1
2N/A
2N/Aextern kthread_t *zk_thread_create(void (*func)(), void *arg);
2N/A
2N/A#define issig(why) (FALSE)
2N/A#define ISSIG(thr, why) (FALSE)
2N/A
2N/A/*
2N/A * Mutexes
2N/A */
2N/Atypedef struct kmutex {
2N/A void *m_owner;
2N/A boolean_t initialized;
2N/A mutex_t m_lock;
2N/A} kmutex_t;
2N/A
2N/A#define MUTEX_DEFAULT USYNC_THREAD
2N/A#undef MUTEX_HELD
2N/A#undef MUTEX_NOT_HELD
2N/A#define MUTEX_HELD(m) _mutex_held(&(m)->m_lock)
2N/A#define MUTEX_NOT_HELD(m) (!MUTEX_HELD(m))
2N/A
2N/A/*
2N/A * Argh -- we have to get cheesy here because the kernel and userland
2N/A * have different signatures for the same routine.
2N/A */
2N/Aextern int _mutex_init(mutex_t *mp, int type, void *arg);
2N/Aextern int _mutex_destroy(mutex_t *mp);
2N/A
2N/A#define mutex_init(mp, b, c, d) zmutex_init((kmutex_t *)(mp))
2N/A#define mutex_destroy(mp) zmutex_destroy((kmutex_t *)(mp))
2N/A
2N/Aextern void zmutex_init(kmutex_t *mp);
2N/Aextern void zmutex_destroy(kmutex_t *mp);
2N/Aextern void mutex_enter(kmutex_t *mp);
2N/Aextern void mutex_exit(kmutex_t *mp);
2N/Aextern int mutex_tryenter(kmutex_t *mp);
2N/Aextern void *mutex_owner(kmutex_t *mp);
2N/A
2N/A/*
2N/A * RW locks
2N/A */
2N/Atypedef struct krwlock {
2N/A void *rw_owner;
2N/A boolean_t initialized;
2N/A boolean_t rw_reentrant;
2N/A rwlock_t rw_lock;
2N/A} krwlock_t;
2N/A
2N/Atypedef int krw_t;
2N/A
2N/A#define RW_READER 0
2N/A#define RW_WRITER 1
2N/A#define RW_DEFAULT USYNC_THREAD
2N/A#define RW_REENTRANT -1
2N/A
2N/A#undef RW_READ_HELD
2N/A#define RW_READ_HELD(x) _rw_read_held(&(x)->rw_lock)
2N/A
2N/A#undef RW_WRITE_HELD
2N/A#define RW_WRITE_HELD(x) _rw_write_held(&(x)->rw_lock)
2N/A
2N/Aextern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg);
2N/Aextern void rw_destroy(krwlock_t *rwlp);
2N/Aextern void rw_enter(krwlock_t *rwlp, krw_t rw);
2N/Aextern int rw_tryenter(krwlock_t *rwlp, krw_t rw);
2N/Aextern int rw_tryupgrade(krwlock_t *rwlp);
2N/Aextern void rw_exit(krwlock_t *rwlp);
2N/A#define rw_downgrade(rwlp) do { } while (0)
2N/A
2N/Aextern uid_t crgetuid(cred_t *cr);
2N/Aextern gid_t crgetgid(cred_t *cr);
2N/Aextern int crgetngroups(cred_t *cr);
2N/Aextern gid_t *crgetgroups(cred_t *cr);
2N/A
2N/A/*
2N/A * Condition variables
2N/A */
2N/Atypedef cond_t kcondvar_t;
2N/A
2N/A#define CV_DEFAULT USYNC_THREAD
2N/A
2N/Aextern void cv_init(kcondvar_t *cv, char *name, int type, void *arg);
2N/Aextern void cv_destroy(kcondvar_t *cv);
2N/Aextern void cv_wait(kcondvar_t *cv, kmutex_t *mp);
2N/Aextern clock_t cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime);
2N/Aextern void cv_signal(kcondvar_t *cv);
2N/Aextern void cv_broadcast(kcondvar_t *cv);
2N/A
2N/A/*
2N/A * kstat creation, installation and deletion
2N/A */
2N/Aextern kstat_t *kstat_create(char *, int,
2N/A char *, char *, uchar_t, ulong_t, uchar_t);
2N/Aextern void kstat_install(kstat_t *);
2N/Aextern void kstat_delete(kstat_t *);
2N/A
2N/A/*
2N/A * Kernel memory
2N/A */
2N/A#define KM_SLEEP UMEM_NOFAIL
2N/A#define KM_PUSHPAGE KM_SLEEP
2N/A#define KM_NOSLEEP UMEM_DEFAULT
2N/A#define KM_NORMALPRI 0
2N/A#define KMC_NODEBUG UMC_NODEBUG
2N/A#define KMC_NOTOUCH 0 /* not needed for userland caches */
2N/A#define kmem_alloc(_s, _f) umem_alloc(_s, _f)
2N/A#define kmem_zalloc(_s, _f) umem_zalloc(_s, _f)
2N/A#define kmem_free(_b, _s) umem_free(_b, _s)
2N/A#define kmem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) \
2N/A umem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i)
2N/A#define kmem_cache_destroy(_c) umem_cache_destroy(_c)
2N/A#define kmem_cache_alloc(_c, _f) umem_cache_alloc(_c, _f)
2N/A#define kmem_cache_free(_c, _b) umem_cache_free(_c, _b)
2N/A#define kmem_debugging() 0
2N/A#define kmem_cache_reap_now(_c) /* nothing */
2N/A#define kmem_cache_set_move(_c, _cb) /* nothing */
2N/A#define POINTER_INVALIDATE(_pp) /* nothing */
2N/A#define POINTER_IS_VALID(_p) 0
2N/A
2N/Atypedef umem_cache_t kmem_cache_t;
2N/A
2N/Atypedef enum kmem_cbrc {
2N/A KMEM_CBRC_YES,
2N/A KMEM_CBRC_NO,
2N/A KMEM_CBRC_LATER,
2N/A KMEM_CBRC_DONT_NEED,
2N/A KMEM_CBRC_DONT_KNOW
2N/A} kmem_cbrc_t;
2N/A
2N/A#define btop(b) ((b) / sysconf(_SC_PAGE_SIZE))
2N/A
2N/A/*
2N/A * Task queues
2N/A */
2N/Atypedef struct taskq taskq_t;
2N/Atypedef uintptr_t taskqid_t;
2N/Atypedef void (task_func_t)(void *);
2N/A
2N/A#define TASKQ_PREPOPULATE 0x0001
2N/A#define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */
2N/A#define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */
2N/A#define TASKQ_THREADS_CPU_PCT 0x0008 /* Scale # threads by # cpus */
2N/A#define TASKQ_DC_BATCH 0x0010 /* Mark threads as batch */
2N/A#define TASKQ_PUSHPAGE 0x0020 /* Threads can tap pageout reserve */
2N/A
2N/A#define TQ_SLEEP KM_SLEEP /* Can block for memory */
2N/A#define TQ_NOSLEEP KM_NOSLEEP /* cannot block for memory; may fail */
2N/A#define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */
2N/A#define TQ_FRONT 0x08 /* Queue in front */
2N/A
2N/Aextern taskq_t *system_taskq;
2N/A
2N/Aextern taskq_t *taskq_create(const char *, int, pri_t, int, int, uint_t);
2N/A#define taskq_create_proc(a, b, c, d, e, p, f) \
2N/A (taskq_create(a, b, c, d, e, f))
2N/A#define taskq_create_sysdc(a, b, d, e, p, dc, f) \
2N/A (taskq_create(a, b, maxclsyspri, d, e, f))
2N/Aextern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t);
2N/Aextern void taskq_destroy(taskq_t *);
2N/Aextern void taskq_wait(taskq_t *);
2N/Aextern int taskq_member(taskq_t *, void *);
2N/Aextern void system_taskq_init(void);
2N/Aextern void system_taskq_fini(void);
2N/A
2N/A#define XVA_MAPSIZE 3
2N/A#define XVA_MAGIC 0x78766174
2N/A
2N/A/*
2N/A * vnodes
2N/A */
2N/Atypedef struct vnode {
2N/A uint64_t v_size;
2N/A int v_fd;
2N/A char *v_path;
2N/A} vnode_t;
2N/A
2N/A#define AV_SCANSTAMP_SZ 32 /* length of anti-virus scanstamp */
2N/A
2N/Atypedef struct xoptattr {
2N/A timestruc_t xoa_createtime; /* Create time of file */
2N/A uint8_t xoa_archive;
2N/A uint8_t xoa_system;
2N/A uint8_t xoa_readonly;
2N/A uint8_t xoa_hidden;
2N/A uint8_t xoa_nounlink;
2N/A uint8_t xoa_immutable;
2N/A uint8_t xoa_appendonly;
2N/A uint8_t xoa_nodump;
2N/A uint8_t xoa_settable;
2N/A uint8_t xoa_opaque;
2N/A uint8_t xoa_av_quarantined;
2N/A uint8_t xoa_av_modified;
2N/A uint8_t xoa_av_scanstamp[AV_SCANSTAMP_SZ];
2N/A uint8_t xoa_reparse;
2N/A uint8_t xoa_offline;
2N/A uint8_t xoa_sparse;
2N/A} xoptattr_t;
2N/A
2N/Atypedef struct vattr {
2N/A uint_t va_mask; /* bit-mask of attributes */
2N/A u_offset_t va_size; /* file size in bytes */
2N/A} vattr_t;
2N/A
2N/A
2N/Atypedef struct xvattr {
2N/A vattr_t xva_vattr; /* Embedded vattr structure */
2N/A uint32_t xva_magic; /* Magic Number */
2N/A uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */
2N/A uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */
2N/A uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */
2N/A uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */
2N/A xoptattr_t xva_xoptattrs; /* Optional attributes */
2N/A} xvattr_t;
2N/A
2N/Atypedef struct vsecattr {
2N/A uint_t vsa_mask; /* See below */
2N/A int vsa_aclcnt; /* ACL entry count */
2N/A void *vsa_aclentp; /* pointer to ACL entries */
2N/A int vsa_dfaclcnt; /* default ACL entry count */
2N/A void *vsa_dfaclentp; /* pointer to default ACL entries */
2N/A size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */
2N/A} vsecattr_t;
2N/A
2N/A#define AT_TYPE 0x00001
2N/A#define AT_MODE 0x00002
2N/A#define AT_UID 0x00004
2N/A#define AT_GID 0x00008
2N/A#define AT_FSID 0x00010
2N/A#define AT_NODEID 0x00020
2N/A#define AT_NLINK 0x00040
2N/A#define AT_SIZE 0x00080
2N/A#define AT_ATIME 0x00100
2N/A#define AT_MTIME 0x00200
2N/A#define AT_CTIME 0x00400
2N/A#define AT_RDEV 0x00800
2N/A#define AT_BLKSIZE 0x01000
2N/A#define AT_NBLOCKS 0x02000
2N/A#define AT_SEQ 0x08000
2N/A#define AT_XVATTR 0x10000
2N/A
2N/A#define CRCREAT 0
2N/A
2N/Aextern int fop_getattr(vnode_t *vp, vattr_t *vap);
2N/Aextern int fop_space(vnode_t *vp, int flag, flock64_t *fl);
2N/A
2N/A#define VOP_CLOSE(vp, f, c, o, cr, ct) 0
2N/A#define VOP_PUTPAGE(vp, of, sz, fl, cr, ct) 0
2N/A#define VOP_GETATTR(vp, vap, fl, cr, ct) fop_getattr((vp), (vap));
2N/A#define VOP_SPACE(vp, op, fl, flags, off, cr, ct) \
2N/A fop_space((vp), op, (fl));
2N/A
2N/A#define VOP_FSYNC(vp, f, cr, ct) fsync((vp)->v_fd)
2N/A
2N/A#define VN_RELE(vp) vn_close(vp)
2N/A
2N/Aextern int vn_open(char *path, int x1, int oflags, int mode, vnode_t **vpp,
2N/A int x2, int x3);
2N/Aextern int vn_openat(char *path, int x1, int oflags, int mode, vnode_t **vpp,
2N/A int x2, int x3, vnode_t *vp, int fd);
2N/Aextern int vn_rdwr(int uio, vnode_t *vp, void *addr, ssize_t len,
2N/A offset_t offset, int x1, int x2, rlim64_t x3, void *x4, ssize_t *residp);
2N/Aextern void vn_close(vnode_t *vp);
2N/A
2N/A#define vn_remove(path, x1, x2) remove(path)
2N/A#define vn_rename(from, to, seg) rename((from), (to))
2N/A#define vn_is_readonly(vp) B_FALSE
2N/A
2N/Aextern vnode_t *rootdir;
2N/A
2N/A#include <sys/file.h> /* for FREAD, FWRITE, etc */
2N/A
2N/A/*
2N/A * Random stuff
2N/A */
2N/A#define ddi_get_lbolt() (gethrtime() >> 23)
2N/A#define ddi_get_lbolt64() (gethrtime() >> 23)
2N/A#define hz 119 /* frequency when using gethrtime() >> 23 for lbolt */
2N/A
2N/Aextern void delay(clock_t ticks);
2N/A
2N/A#define gethrestime_sec() time(NULL)
2N/A#define gethrestime(t) \
2N/A do {\
2N/A (t)->tv_sec = gethrestime_sec();\
2N/A (t)->tv_nsec = 0;\
2N/A } while (0);
2N/A
2N/A#define max_ncpus 64
2N/A
2N/A#define minclsyspri 60
2N/A#define maxclsyspri 99
2N/A
2N/A#define CPU_SEQID (thr_self() & (max_ncpus - 1))
2N/A
2N/A#define kcred NULL
2N/A#define CRED() NULL
2N/A
2N/A#define ptob(x) ((x) * PAGESIZE)
2N/A
2N/Aextern uint64_t physmem;
2N/A
2N/Aextern int highbit(ulong_t i);
2N/Aextern int random_get_bytes(uint8_t *ptr, size_t len);
2N/Aextern int random_get_pseudo_bytes(uint8_t *ptr, size_t len);
2N/A
2N/Aextern void kernel_init(int);
2N/Aextern void kernel_fini(void);
2N/A
2N/Astruct spa;
2N/Aextern void nicenum(uint64_t num, char *buf);
2N/Aextern void show_pool_stats(struct spa *);
2N/A
2N/Atypedef struct callb_cpr {
2N/A kmutex_t *cc_lockp;
2N/A} callb_cpr_t;
2N/A
2N/A#define CALLB_CPR_INIT(cp, lockp, func, name) { \
2N/A (cp)->cc_lockp = lockp; \
2N/A}
2N/A
2N/A#define CALLB_CPR_SAFE_BEGIN(cp) { \
2N/A ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
2N/A}
2N/A
2N/A#define CALLB_CPR_SAFE_END(cp, lockp) { \
2N/A ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
2N/A}
2N/A
2N/A#define CALLB_CPR_EXIT(cp) { \
2N/A ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
2N/A mutex_exit((cp)->cc_lockp); \
2N/A}
2N/A
2N/A/*
2N/A * These macros are used only by userland implementations. When compiled
2N/A * as kernel code, the macros found in <sys/zone.h> are used.
2N/A *
2N/A * NB: If <sys/zfs_context.h> is included, a subsequent inclusion of
2N/A * <sys/zone.h> should exist. The inclusion of <sys/zone.h> should be
2N/A * guarded with "#ifdef _KERNEL".
2N/A */
2N/A#define GLOBAL_ZONEID (0)
2N/A#define crgetzoneid(x) (GLOBAL_ZONEID)
2N/A#define INGLOBALZONE(p) (1)
2N/A#define ISGLOBALZONE(z) (1)
2N/A#define zone_dataset_visible(x, y, z) (1)
2N/A#define zone_dataset_alias(z, s, d, n) (0)
2N/A#define zone_dataset_unalias(z, s, d, n, x) (0)
2N/A#define ZONE_INVISIBLE_SOURCE ("")
2N/A#define zone_t void
2N/A#define curzone (NULL)
2N/A#define dsl_prop_get_dd_zone(d, p, i, n, b, s, t, z) \
2N/A dsl_prop_get_dd(d, p, i, n, b, s, t)
2N/A
2N/Aextern char *kmem_asprintf(const char *fmt, ...);
2N/A#define strfree(str) kmem_free((str), strlen(str)+1)
2N/A
2N/A/*
2N/A * Hostname information
2N/A */
2N/Aextern char hw_serial[]; /* for userland-emulated hostid access */
2N/Aextern int ddi_strtoul(const char *str, char **nptr, int base,
2N/A unsigned long *result);
2N/A
2N/Aextern int ddi_strtoull(const char *str, char **nptr, int base,
2N/A u_longlong_t *result);
2N/A
2N/A/* ZFS Boot Related stuff. */
2N/A
2N/Astruct _buf {
2N/A intptr_t _fd;
2N/A};
2N/A
2N/Astruct bootstat {
2N/A uint64_t st_size;
2N/A};
2N/A
2N/Atypedef struct ace_object {
2N/A uid_t a_who;
2N/A uint32_t a_access_mask;
2N/A uint16_t a_flags;
2N/A uint16_t a_type;
2N/A uint8_t a_obj_type[16];
2N/A uint8_t a_inherit_obj_type[16];
2N/A} ace_object_t;
2N/A
2N/A
2N/A#define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05
2N/A#define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE 0x06
2N/A#define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07
2N/A#define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08
2N/A
2N/Aextern struct _buf *kobj_open_file(char *name);
2N/Aextern int kobj_read_file(struct _buf *file, char *buf, unsigned size,
2N/A unsigned off);
2N/Aextern void kobj_close_file(struct _buf *file);
2N/Aextern int kobj_get_filesize(struct _buf *file, uint64_t *size);
2N/Aextern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr);
2N/Aextern int zfs_secpolicy_rename_perms(const char *from, const char *to,
2N/A cred_t *cr);
2N/Aextern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr);
2N/Aextern zoneid_t getzoneid(void);
2N/A
2N/A/* SID stuff */
2N/Atypedef struct ksiddomain {
2N/A uint_t kd_ref;
2N/A uint_t kd_len;
2N/A char *kd_name;
2N/A} ksiddomain_t;
2N/A
2N/Aksiddomain_t *ksid_lookupdomain(const char *);
2N/Avoid ksiddomain_rele(ksiddomain_t *);
2N/A
2N/A#define DDI_SLEEP KM_SLEEP
2N/A#define ddi_log_sysevent(_a, _b, _c, _d, _e, _f, _g) \
2N/A sysevent_post_event(_c, _d, _b, "libzpool", _e, _f)
2N/A
2N/Aextern void io_mvec_init(void);
2N/Aextern void io_tag_init(void);
2N/Aextern void io_mvec_fini(void);
2N/Aextern void io_tag_fini(void);
2N/A
2N/A#ifdef __cplusplus
2N/A}
2N/A#endif
2N/A
2N/A#endif /* _SYS_ZFS_CONTEXT_H */