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-rw-r--r--cddl/contrib/opensolaris/lib/libzpool/common/kernel.c1238
-rw-r--r--cddl/contrib/opensolaris/lib/libzpool/common/sys/zfs_context.h838
-rw-r--r--cddl/contrib/opensolaris/lib/libzpool/common/taskq.c353
-rw-r--r--cddl/contrib/opensolaris/lib/libzpool/common/util.c196
-rw-r--r--cddl/contrib/opensolaris/lib/libzpool/common/zfs.d36
5 files changed, 0 insertions, 2661 deletions
diff --git a/cddl/contrib/opensolaris/lib/libzpool/common/kernel.c b/cddl/contrib/opensolaris/lib/libzpool/common/kernel.c
deleted file mode 100644
index 9b54e419705b..000000000000
--- a/cddl/contrib/opensolaris/lib/libzpool/common/kernel.c
+++ /dev/null
@@ -1,1238 +0,0 @@
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License (the "License").
- * You may not use this file except in compliance with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-/*
- * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2012, 2015 by Delphix. All rights reserved.
- * Copyright (c) 2013, Joyent, Inc. All rights reserved.
- */
-
-#include <assert.h>
-#include <fcntl.h>
-#include <poll.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <zlib.h>
-#include <libgen.h>
-#include <sys/assfail.h>
-#include <sys/spa.h>
-#include <sys/stat.h>
-#include <sys/processor.h>
-#include <sys/zfs_context.h>
-#include <sys/rrwlock.h>
-#include <sys/zmod.h>
-#include <sys/utsname.h>
-#include <sys/systeminfo.h>
-#include <libzfs.h>
-
-/*
- * Emulation of kernel services in userland.
- */
-
-#ifndef __FreeBSD__
-int aok;
-#endif
-uint64_t physmem;
-vnode_t *rootdir = (vnode_t *)0xabcd1234;
-char hw_serial[HW_HOSTID_LEN];
-#ifdef illumos
-kmutex_t cpu_lock;
-#endif
-
-/* If set, all blocks read will be copied to the specified directory. */
-char *vn_dumpdir = NULL;
-
-struct utsname utsname = {
- "userland", "libzpool", "1", "1", "na"
-};
-
-/* this only exists to have its address taken */
-struct proc p0;
-
-/*
- * =========================================================================
- * threads
- * =========================================================================
- */
-/*ARGSUSED*/
-kthread_t *
-zk_thread_create(void (*func)(), void *arg)
-{
- thread_t tid;
-
- VERIFY(thr_create(0, 0, (void *(*)(void *))func, arg, THR_DETACHED,
- &tid) == 0);
-
- return ((void *)(uintptr_t)tid);
-}
-
-/*
- * =========================================================================
- * kstats
- * =========================================================================
- */
-/*ARGSUSED*/
-kstat_t *
-kstat_create(char *module, int instance, char *name, char *class,
- uchar_t type, ulong_t ndata, uchar_t ks_flag)
-{
- return (NULL);
-}
-
-/*ARGSUSED*/
-void
-kstat_named_init(kstat_named_t *knp, const char *name, uchar_t type)
-{}
-
-/*ARGSUSED*/
-void
-kstat_install(kstat_t *ksp)
-{}
-
-/*ARGSUSED*/
-void
-kstat_delete(kstat_t *ksp)
-{}
-
-/*
- * =========================================================================
- * mutexes
- * =========================================================================
- */
-void
-zmutex_init(kmutex_t *mp)
-{
- mp->m_owner = NULL;
- mp->initialized = B_TRUE;
- (void) _mutex_init(&mp->m_lock, USYNC_THREAD, NULL);
-}
-
-void
-zmutex_destroy(kmutex_t *mp)
-{
- ASSERT(mp->initialized == B_TRUE);
- ASSERT(mp->m_owner == NULL);
- (void) _mutex_destroy(&(mp)->m_lock);
- mp->m_owner = (void *)-1UL;
- mp->initialized = B_FALSE;
-}
-
-int
-zmutex_owned(kmutex_t *mp)
-{
- ASSERT(mp->initialized == B_TRUE);
-
- return (mp->m_owner == curthread);
-}
-
-void
-mutex_enter(kmutex_t *mp)
-{
- ASSERT(mp->initialized == B_TRUE);
- ASSERT(mp->m_owner != (void *)-1UL);
- ASSERT(mp->m_owner != curthread);
- VERIFY(mutex_lock(&mp->m_lock) == 0);
- ASSERT(mp->m_owner == NULL);
- mp->m_owner = curthread;
-}
-
-int
-mutex_tryenter(kmutex_t *mp)
-{
- ASSERT(mp->initialized == B_TRUE);
- ASSERT(mp->m_owner != (void *)-1UL);
- if (0 == mutex_trylock(&mp->m_lock)) {
- ASSERT(mp->m_owner == NULL);
- mp->m_owner = curthread;
- return (1);
- } else {
- return (0);
- }
-}
-
-void
-mutex_exit(kmutex_t *mp)
-{
- ASSERT(mp->initialized == B_TRUE);
- ASSERT(mutex_owner(mp) == curthread);
- mp->m_owner = NULL;
- VERIFY(mutex_unlock(&mp->m_lock) == 0);
-}
-
-void *
-mutex_owner(kmutex_t *mp)
-{
- ASSERT(mp->initialized == B_TRUE);
- return (mp->m_owner);
-}
-
-/*
- * =========================================================================
- * rwlocks
- * =========================================================================
- */
-/*ARGSUSED*/
-void
-rw_init(krwlock_t *rwlp, char *name, int type, void *arg)
-{
- rwlock_init(&rwlp->rw_lock, USYNC_THREAD, NULL);
- rwlp->rw_owner = NULL;
- rwlp->initialized = B_TRUE;
- rwlp->rw_count = 0;
-}
-
-void
-rw_destroy(krwlock_t *rwlp)
-{
- ASSERT(rwlp->rw_count == 0);
- rwlock_destroy(&rwlp->rw_lock);
- rwlp->rw_owner = (void *)-1UL;
- rwlp->initialized = B_FALSE;
-}
-
-void
-rw_enter(krwlock_t *rwlp, krw_t rw)
-{
- //ASSERT(!RW_LOCK_HELD(rwlp));
- ASSERT(rwlp->initialized == B_TRUE);
- ASSERT(rwlp->rw_owner != (void *)-1UL);
- ASSERT(rwlp->rw_owner != curthread);
-
- if (rw == RW_READER) {
- VERIFY(rw_rdlock(&rwlp->rw_lock) == 0);
- ASSERT(rwlp->rw_count >= 0);
- atomic_add_int(&rwlp->rw_count, 1);
- } else {
- VERIFY(rw_wrlock(&rwlp->rw_lock) == 0);
- ASSERT(rwlp->rw_count == 0);
- rwlp->rw_count = -1;
- rwlp->rw_owner = curthread;
- }
-}
-
-void
-rw_exit(krwlock_t *rwlp)
-{
- ASSERT(rwlp->initialized == B_TRUE);
- ASSERT(rwlp->rw_owner != (void *)-1UL);
-
- if (rwlp->rw_owner == curthread) {
- /* Write locked. */
- ASSERT(rwlp->rw_count == -1);
- rwlp->rw_count = 0;
- rwlp->rw_owner = NULL;
- } else {
- /* Read locked. */
- ASSERT(rwlp->rw_count > 0);
- atomic_add_int(&rwlp->rw_count, -1);
- }
- VERIFY(rw_unlock(&rwlp->rw_lock) == 0);
-}
-
-int
-rw_tryenter(krwlock_t *rwlp, krw_t rw)
-{
- int rv;
-
- ASSERT(rwlp->initialized == B_TRUE);
- ASSERT(rwlp->rw_owner != (void *)-1UL);
- ASSERT(rwlp->rw_owner != curthread);
-
- if (rw == RW_READER)
- rv = rw_tryrdlock(&rwlp->rw_lock);
- else
- rv = rw_trywrlock(&rwlp->rw_lock);
-
- if (rv == 0) {
- ASSERT(rwlp->rw_owner == NULL);
- if (rw == RW_READER) {
- ASSERT(rwlp->rw_count >= 0);
- atomic_add_int(&rwlp->rw_count, 1);
- } else {
- ASSERT(rwlp->rw_count == 0);
- rwlp->rw_count = -1;
- rwlp->rw_owner = curthread;
- }
- return (1);
- }
-
- return (0);
-}
-
-/*ARGSUSED*/
-int
-rw_tryupgrade(krwlock_t *rwlp)
-{
- ASSERT(rwlp->initialized == B_TRUE);
- ASSERT(rwlp->rw_owner != (void *)-1UL);
-
- return (0);
-}
-
-int
-rw_lock_held(krwlock_t *rwlp)
-{
-
- return (rwlp->rw_count != 0);
-}
-
-/*
- * =========================================================================
- * condition variables
- * =========================================================================
- */
-/*ARGSUSED*/
-void
-cv_init(kcondvar_t *cv, char *name, int type, void *arg)
-{
- VERIFY(cond_init(cv, name, NULL) == 0);
-}
-
-void
-cv_destroy(kcondvar_t *cv)
-{
- VERIFY(cond_destroy(cv) == 0);
-}
-
-void
-cv_wait(kcondvar_t *cv, kmutex_t *mp)
-{
- ASSERT(mutex_owner(mp) == curthread);
- mp->m_owner = NULL;
- int ret = cond_wait(cv, &mp->m_lock);
- VERIFY(ret == 0 || ret == EINTR);
- mp->m_owner = curthread;
-}
-
-/*
- * NB: this emulates FreeBSD cv_wait_sig(9), not the illumos one.
- * Meanings of the return code are different.
- * NB: this does not actually catch any signals.
- */
-int
-cv_wait_sig(kcondvar_t *cv, kmutex_t *mp)
-{
- cv_wait(cv, mp);
- return (0);
-}
-
-clock_t
-cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime)
-{
- int error;
- struct timespec ts;
- struct timeval tv;
- clock_t delta;
-
- abstime += ddi_get_lbolt();
-top:
- delta = abstime - ddi_get_lbolt();
- if (delta <= 0)
- return (-1);
-
- if (gettimeofday(&tv, NULL) != 0)
- assert(!"gettimeofday() failed");
-
- ts.tv_sec = tv.tv_sec + delta / hz;
- ts.tv_nsec = tv.tv_usec * 1000 + (delta % hz) * (NANOSEC / hz);
- ASSERT(ts.tv_nsec >= 0);
-
- if (ts.tv_nsec >= NANOSEC) {
- ts.tv_sec++;
- ts.tv_nsec -= NANOSEC;
- }
-
- ASSERT(mutex_owner(mp) == curthread);
- mp->m_owner = NULL;
- error = pthread_cond_timedwait(cv, &mp->m_lock, &ts);
- mp->m_owner = curthread;
-
- if (error == EINTR)
- goto top;
-
- if (error == ETIMEDOUT)
- return (-1);
-
- ASSERT(error == 0);
-
- return (1);
-}
-
-/*ARGSUSED*/
-clock_t
-cv_timedwait_hires(kcondvar_t *cv, kmutex_t *mp, hrtime_t tim, hrtime_t res,
- int flag)
-{
- int error;
- timespec_t ts;
- hrtime_t delta;
-
- ASSERT(flag == 0 || flag == CALLOUT_FLAG_ABSOLUTE);
-
-top:
- delta = tim;
- if (flag & CALLOUT_FLAG_ABSOLUTE)
- delta -= gethrtime();
-
- if (delta <= 0)
- return (-1);
-
- clock_gettime(CLOCK_REALTIME, &ts);
- ts.tv_sec += delta / NANOSEC;
- ts.tv_nsec += delta % NANOSEC;
- if (ts.tv_nsec >= NANOSEC) {
- ts.tv_sec++;
- ts.tv_nsec -= NANOSEC;
- }
-
- ASSERT(mutex_owner(mp) == curthread);
- mp->m_owner = NULL;
- error = pthread_cond_timedwait(cv, &mp->m_lock, &ts);
- mp->m_owner = curthread;
-
- if (error == ETIMEDOUT)
- return (-1);
-
- if (error == EINTR)
- goto top;
-
- ASSERT(error == 0);
-
- return (1);
-}
-
-void
-cv_signal(kcondvar_t *cv)
-{
- VERIFY(cond_signal(cv) == 0);
-}
-
-void
-cv_broadcast(kcondvar_t *cv)
-{
- VERIFY(cond_broadcast(cv) == 0);
-}
-
-/*
- * =========================================================================
- * vnode operations
- * =========================================================================
- */
-/*
- * Note: for the xxxat() versions of these functions, we assume that the
- * starting vp is always rootdir (which is true for spa_directory.c, the only
- * ZFS consumer of these interfaces). We assert this is true, and then emulate
- * them by adding '/' in front of the path.
- */
-
-/*ARGSUSED*/
-int
-vn_open(char *path, int x1, int flags, int mode, vnode_t **vpp, int x2, int x3)
-{
- int fd;
- int dump_fd;
- vnode_t *vp;
- int old_umask;
- char realpath[MAXPATHLEN];
- struct stat64 st;
-
- /*
- * If we're accessing a real disk from userland, we need to use
- * the character interface to avoid caching. This is particularly
- * important if we're trying to look at a real in-kernel storage
- * pool from userland, e.g. via zdb, because otherwise we won't
- * see the changes occurring under the segmap cache.
- * On the other hand, the stupid character device returns zero
- * for its size. So -- gag -- we open the block device to get
- * its size, and remember it for subsequent VOP_GETATTR().
- */
- if (strncmp(path, "/dev/", 5) == 0) {
- char *dsk;
- fd = open64(path, O_RDONLY);
- if (fd == -1)
- return (errno);
- if (fstat64(fd, &st) == -1) {
- close(fd);
- return (errno);
- }
- close(fd);
- (void) sprintf(realpath, "%s", path);
- dsk = strstr(path, "/dsk/");
- if (dsk != NULL)
- (void) sprintf(realpath + (dsk - path) + 1, "r%s",
- dsk + 1);
- } else {
- (void) sprintf(realpath, "%s", path);
- if (!(flags & FCREAT) && stat64(realpath, &st) == -1)
- return (errno);
- }
-
- if (flags & FCREAT)
- old_umask = umask(0);
-
- /*
- * The construct 'flags - FREAD' conveniently maps combinations of
- * FREAD and FWRITE to the corresponding O_RDONLY, O_WRONLY, and O_RDWR.
- */
- fd = open64(realpath, flags - FREAD, mode);
-
- if (flags & FCREAT)
- (void) umask(old_umask);
-
- if (vn_dumpdir != NULL) {
- char dumppath[MAXPATHLEN];
- (void) snprintf(dumppath, sizeof (dumppath),
- "%s/%s", vn_dumpdir, basename(realpath));
- dump_fd = open64(dumppath, O_CREAT | O_WRONLY, 0666);
- if (dump_fd == -1)
- return (errno);
- } else {
- dump_fd = -1;
- }
-
- if (fd == -1)
- return (errno);
-
- if (fstat64(fd, &st) == -1) {
- close(fd);
- return (errno);
- }
-
- (void) fcntl(fd, F_SETFD, FD_CLOEXEC);
-
- *vpp = vp = umem_zalloc(sizeof (vnode_t), UMEM_NOFAIL);
-
- vp->v_fd = fd;
- vp->v_size = st.st_size;
- vp->v_path = spa_strdup(path);
- vp->v_dump_fd = dump_fd;
-
- return (0);
-}
-
-/*ARGSUSED*/
-int
-vn_openat(char *path, int x1, int flags, int mode, vnode_t **vpp, int x2,
- int x3, vnode_t *startvp, int fd)
-{
- char *realpath = umem_alloc(strlen(path) + 2, UMEM_NOFAIL);
- int ret;
-
- ASSERT(startvp == rootdir);
- (void) sprintf(realpath, "/%s", path);
-
- /* fd ignored for now, need if want to simulate nbmand support */
- ret = vn_open(realpath, x1, flags, mode, vpp, x2, x3);
-
- umem_free(realpath, strlen(path) + 2);
-
- return (ret);
-}
-
-/*ARGSUSED*/
-int
-vn_rdwr(int uio, vnode_t *vp, void *addr, ssize_t len, offset_t offset,
- int x1, int x2, rlim64_t x3, void *x4, ssize_t *residp)
-{
- ssize_t iolen, split;
-
- if (uio == UIO_READ) {
- iolen = pread64(vp->v_fd, addr, len, offset);
- if (vp->v_dump_fd != -1) {
- int status =
- pwrite64(vp->v_dump_fd, addr, iolen, offset);
- ASSERT(status != -1);
- }
- } else {
- /*
- * To simulate partial disk writes, we split writes into two
- * system calls so that the process can be killed in between.
- */
- int sectors = len >> SPA_MINBLOCKSHIFT;
- split = (sectors > 0 ? rand() % sectors : 0) <<
- SPA_MINBLOCKSHIFT;
- iolen = pwrite64(vp->v_fd, addr, split, offset);
- iolen += pwrite64(vp->v_fd, (char *)addr + split,
- len - split, offset + split);
- }
-
- if (iolen == -1)
- return (errno);
- if (residp)
- *residp = len - iolen;
- else if (iolen != len)
- return (EIO);
- return (0);
-}
-
-void
-vn_close(vnode_t *vp, int openflag, cred_t *cr, kthread_t *td)
-{
- close(vp->v_fd);
- if (vp->v_dump_fd != -1)
- close(vp->v_dump_fd);
- spa_strfree(vp->v_path);
- umem_free(vp, sizeof (vnode_t));
-}
-
-/*
- * At a minimum we need to update the size since vdev_reopen()
- * will no longer call vn_openat().
- */
-int
-fop_getattr(vnode_t *vp, vattr_t *vap)
-{
- struct stat64 st;
-
- if (fstat64(vp->v_fd, &st) == -1) {
- close(vp->v_fd);
- return (errno);
- }
-
- vap->va_size = st.st_size;
- return (0);
-}
-
-#ifdef ZFS_DEBUG
-
-/*
- * =========================================================================
- * Figure out which debugging statements to print
- * =========================================================================
- */
-
-static char *dprintf_string;
-static int dprintf_print_all;
-
-int
-dprintf_find_string(const char *string)
-{
- char *tmp_str = dprintf_string;
- int len = strlen(string);
-
- /*
- * Find out if this is a string we want to print.
- * String format: file1.c,function_name1,file2.c,file3.c
- */
-
- while (tmp_str != NULL) {
- if (strncmp(tmp_str, string, len) == 0 &&
- (tmp_str[len] == ',' || tmp_str[len] == '\0'))
- return (1);
- tmp_str = strchr(tmp_str, ',');
- if (tmp_str != NULL)
- tmp_str++; /* Get rid of , */
- }
- return (0);
-}
-
-void
-dprintf_setup(int *argc, char **argv)
-{
- int i, j;
-
- /*
- * Debugging can be specified two ways: by setting the
- * environment variable ZFS_DEBUG, or by including a
- * "debug=..." argument on the command line. The command
- * line setting overrides the environment variable.
- */
-
- for (i = 1; i < *argc; i++) {
- int len = strlen("debug=");
- /* First look for a command line argument */
- if (strncmp("debug=", argv[i], len) == 0) {
- dprintf_string = argv[i] + len;
- /* Remove from args */
- for (j = i; j < *argc; j++)
- argv[j] = argv[j+1];
- argv[j] = NULL;
- (*argc)--;
- }
- }
-
- if (dprintf_string == NULL) {
- /* Look for ZFS_DEBUG environment variable */
- dprintf_string = getenv("ZFS_DEBUG");
- }
-
- /*
- * Are we just turning on all debugging?
- */
- if (dprintf_find_string("on"))
- dprintf_print_all = 1;
-
- if (dprintf_string != NULL)
- zfs_flags |= ZFS_DEBUG_DPRINTF;
-}
-
-int
-sysctl_handle_64(SYSCTL_HANDLER_ARGS)
-{
- return (0);
-}
-
-/*
- * =========================================================================
- * debug printfs
- * =========================================================================
- */
-void
-__dprintf(const char *file, const char *func, int line, const char *fmt, ...)
-{
- const char *newfile;
- va_list adx;
-
- /*
- * Get rid of annoying "../common/" prefix to filename.
- */
- newfile = strrchr(file, '/');
- if (newfile != NULL) {
- newfile = newfile + 1; /* Get rid of leading / */
- } else {
- newfile = file;
- }
-
- if (dprintf_print_all ||
- dprintf_find_string(newfile) ||
- dprintf_find_string(func)) {
- /* Print out just the function name if requested */
- flockfile(stdout);
- if (dprintf_find_string("pid"))
- (void) printf("%d ", getpid());
- if (dprintf_find_string("tid"))
- (void) printf("%lu ", thr_self());
-#if 0
- if (dprintf_find_string("cpu"))
- (void) printf("%u ", getcpuid());
-#endif
- if (dprintf_find_string("time"))
- (void) printf("%llu ", gethrtime());
- if (dprintf_find_string("long"))
- (void) printf("%s, line %d: ", newfile, line);
- (void) printf("%s: ", func);
- va_start(adx, fmt);
- (void) vprintf(fmt, adx);
- va_end(adx);
- funlockfile(stdout);
- }
-}
-
-#endif /* ZFS_DEBUG */
-
-/*
- * =========================================================================
- * cmn_err() and panic()
- * =========================================================================
- */
-static char ce_prefix[CE_IGNORE][10] = { "", "NOTICE: ", "WARNING: ", "" };
-static char ce_suffix[CE_IGNORE][2] = { "", "\n", "\n", "" };
-
-void
-vpanic(const char *fmt, va_list adx)
-{
- char buf[512];
- (void) vsnprintf(buf, 512, fmt, adx);
- assfail(buf, NULL, 0);
- abort(); /* necessary to make vpanic meet noreturn requirements */
-}
-
-void
-panic(const char *fmt, ...)
-{
- va_list adx;
-
- va_start(adx, fmt);
- vpanic(fmt, adx);
- va_end(adx);
-}
-
-void
-vcmn_err(int ce, const char *fmt, va_list adx)
-{
- if (ce == CE_PANIC)
- vpanic(fmt, adx);
- if (ce != CE_NOTE) { /* suppress noise in userland stress testing */
- (void) fprintf(stderr, "%s", ce_prefix[ce]);
- (void) vfprintf(stderr, fmt, adx);
- (void) fprintf(stderr, "%s", ce_suffix[ce]);
- }
-}
-
-/*PRINTFLIKE2*/
-void
-cmn_err(int ce, const char *fmt, ...)
-{
- va_list adx;
-
- va_start(adx, fmt);
- vcmn_err(ce, fmt, adx);
- va_end(adx);
-}
-
-/*
- * =========================================================================
- * kobj interfaces
- * =========================================================================
- */
-struct _buf *
-kobj_open_file(char *name)
-{
- struct _buf *file;
- vnode_t *vp;
-
- /* set vp as the _fd field of the file */
- if (vn_openat(name, UIO_SYSSPACE, FREAD, 0, &vp, 0, 0, rootdir,
- -1) != 0)
- return ((void *)-1UL);
-
- file = umem_zalloc(sizeof (struct _buf), UMEM_NOFAIL);
- file->_fd = (intptr_t)vp;
- return (file);
-}
-
-int
-kobj_read_file(struct _buf *file, char *buf, unsigned size, unsigned off)
-{
- ssize_t resid;
-
- vn_rdwr(UIO_READ, (vnode_t *)file->_fd, buf, size, (offset_t)off,
- UIO_SYSSPACE, 0, 0, 0, &resid);
-
- return (size - resid);
-}
-
-void
-kobj_close_file(struct _buf *file)
-{
- vn_close((vnode_t *)file->_fd, 0, NULL, NULL);
- umem_free(file, sizeof (struct _buf));
-}
-
-int
-kobj_get_filesize(struct _buf *file, uint64_t *size)
-{
- struct stat64 st;
- vnode_t *vp = (vnode_t *)file->_fd;
-
- if (fstat64(vp->v_fd, &st) == -1) {
- vn_close(vp, 0, NULL, NULL);
- return (errno);
- }
- *size = st.st_size;
- return (0);
-}
-
-/*
- * =========================================================================
- * misc routines
- * =========================================================================
- */
-
-void
-delay(clock_t ticks)
-{
- poll(0, 0, ticks * (1000 / hz));
-}
-
-#if 0
-/*
- * Find highest one bit set.
- * Returns bit number + 1 of highest bit that is set, otherwise returns 0.
- */
-int
-highbit64(uint64_t i)
-{
- int h = 1;
-
- if (i == 0)
- return (0);
- if (i & 0xffffffff00000000ULL) {
- h += 32; i >>= 32;
- }
- if (i & 0xffff0000) {
- h += 16; i >>= 16;
- }
- if (i & 0xff00) {
- h += 8; i >>= 8;
- }
- if (i & 0xf0) {
- h += 4; i >>= 4;
- }
- if (i & 0xc) {
- h += 2; i >>= 2;
- }
- if (i & 0x2) {
- h += 1;
- }
- return (h);
-}
-#endif
-
-static int random_fd = -1, urandom_fd = -1;
-
-static int
-random_get_bytes_common(uint8_t *ptr, size_t len, int fd)
-{
- size_t resid = len;
- ssize_t bytes;
-
- ASSERT(fd != -1);
-
- while (resid != 0) {
- bytes = read(fd, ptr, resid);
- ASSERT3S(bytes, >=, 0);
- ptr += bytes;
- resid -= bytes;
- }
-
- return (0);
-}
-
-int
-random_get_bytes(uint8_t *ptr, size_t len)
-{
- return (random_get_bytes_common(ptr, len, random_fd));
-}
-
-int
-random_get_pseudo_bytes(uint8_t *ptr, size_t len)
-{
- return (random_get_bytes_common(ptr, len, urandom_fd));
-}
-
-int
-ddi_strtoul(const char *hw_serial, char **nptr, int base, unsigned long *result)
-{
- char *end;
-
- *result = strtoul(hw_serial, &end, base);
- if (*result == 0)
- return (errno);
- return (0);
-}
-
-int
-ddi_strtoull(const char *str, char **nptr, int base, u_longlong_t *result)
-{
- char *end;
-
- *result = strtoull(str, &end, base);
- if (*result == 0)
- return (errno);
- return (0);
-}
-
-#ifdef illumos
-/* ARGSUSED */
-cyclic_id_t
-cyclic_add(cyc_handler_t *hdlr, cyc_time_t *when)
-{
- return (1);
-}
-
-/* ARGSUSED */
-void
-cyclic_remove(cyclic_id_t id)
-{
-}
-
-/* ARGSUSED */
-int
-cyclic_reprogram(cyclic_id_t id, hrtime_t expiration)
-{
- return (1);
-}
-#endif
-
-/*
- * =========================================================================
- * kernel emulation setup & teardown
- * =========================================================================
- */
-static int
-umem_out_of_memory(void)
-{
- char errmsg[] = "out of memory -- generating core dump\n";
-
- write(fileno(stderr), errmsg, sizeof (errmsg));
- abort();
- return (0);
-}
-
-void
-kernel_init(int mode)
-{
- extern uint_t rrw_tsd_key;
-
- umem_nofail_callback(umem_out_of_memory);
-
- physmem = sysconf(_SC_PHYS_PAGES);
-
- dprintf("physmem = %llu pages (%.2f GB)\n", physmem,
- (double)physmem * sysconf(_SC_PAGE_SIZE) / (1ULL << 30));
-
- (void) snprintf(hw_serial, sizeof (hw_serial), "%ld",
- (mode & FWRITE) ? get_system_hostid() : 0);
-
- VERIFY((random_fd = open("/dev/random", O_RDONLY)) != -1);
- VERIFY((urandom_fd = open("/dev/urandom", O_RDONLY)) != -1);
-
- system_taskq_init();
-
-#ifdef illumos
- mutex_init(&cpu_lock, NULL, MUTEX_DEFAULT, NULL);
-#endif
-
- spa_init(mode);
-
- tsd_create(&rrw_tsd_key, rrw_tsd_destroy);
-}
-
-void
-kernel_fini(void)
-{
- spa_fini();
-
- system_taskq_fini();
-
- close(random_fd);
- close(urandom_fd);
-
- random_fd = -1;
- urandom_fd = -1;
-}
-
-/* ARGSUSED */
-uint32_t
-zone_get_hostid(void *zonep)
-{
- /*
- * We're emulating the system's hostid in userland.
- */
- return (strtoul(hw_serial, NULL, 10));
-}
-
-int
-z_uncompress(void *dst, size_t *dstlen, const void *src, size_t srclen)
-{
- int ret;
- uLongf len = *dstlen;
-
- if ((ret = uncompress(dst, &len, src, srclen)) == Z_OK)
- *dstlen = (size_t)len;
-
- return (ret);
-}
-
-int
-z_compress_level(void *dst, size_t *dstlen, const void *src, size_t srclen,
- int level)
-{
- int ret;
- uLongf len = *dstlen;
-
- if ((ret = compress2(dst, &len, src, srclen, level)) == Z_OK)
- *dstlen = (size_t)len;
-
- return (ret);
-}
-
-uid_t
-crgetuid(cred_t *cr)
-{
- return (0);
-}
-
-uid_t
-crgetruid(cred_t *cr)
-{
- return (0);
-}
-
-gid_t
-crgetgid(cred_t *cr)
-{
- return (0);
-}
-
-int
-crgetngroups(cred_t *cr)
-{
- return (0);
-}
-
-gid_t *
-crgetgroups(cred_t *cr)
-{
- return (NULL);
-}
-
-int
-zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr)
-{
- return (0);
-}
-
-int
-zfs_secpolicy_rename_perms(const char *from, const char *to, cred_t *cr)
-{
- return (0);
-}
-
-int
-zfs_secpolicy_destroy_perms(const char *name, cred_t *cr)
-{
- return (0);
-}
-
-ksiddomain_t *
-ksid_lookupdomain(const char *dom)
-{
- ksiddomain_t *kd;
-
- kd = umem_zalloc(sizeof (ksiddomain_t), UMEM_NOFAIL);
- kd->kd_name = spa_strdup(dom);
- return (kd);
-}
-
-void
-ksiddomain_rele(ksiddomain_t *ksid)
-{
- spa_strfree(ksid->kd_name);
- umem_free(ksid, sizeof (ksiddomain_t));
-}
-
-/*
- * Do not change the length of the returned string; it must be freed
- * with strfree().
- */
-char *
-kmem_asprintf(const char *fmt, ...)
-{
- int size;
- va_list adx;
- char *buf;
-
- va_start(adx, fmt);
- size = vsnprintf(NULL, 0, fmt, adx) + 1;
- va_end(adx);
-
- buf = kmem_alloc(size, KM_SLEEP);
-
- va_start(adx, fmt);
- size = vsnprintf(buf, size, fmt, adx);
- va_end(adx);
-
- return (buf);
-}
-
-/* ARGSUSED */
-int
-zfs_onexit_fd_hold(int fd, minor_t *minorp)
-{
- *minorp = 0;
- return (0);
-}
-
-/* ARGSUSED */
-void
-zfs_onexit_fd_rele(int fd)
-{
-}
-
-/* ARGSUSED */
-int
-zfs_onexit_add_cb(minor_t minor, void (*func)(void *), void *data,
- uint64_t *action_handle)
-{
- return (0);
-}
-
-/* ARGSUSED */
-int
-zfs_onexit_del_cb(minor_t minor, uint64_t action_handle, boolean_t fire)
-{
- return (0);
-}
-
-/* ARGSUSED */
-int
-zfs_onexit_cb_data(minor_t minor, uint64_t action_handle, void **data)
-{
- return (0);
-}
-
-#ifdef __FreeBSD__
-/* ARGSUSED */
-int
-zvol_create_minors(const char *name)
-{
- return (0);
-}
-#endif
-
-#ifdef illumos
-void
-bioinit(buf_t *bp)
-{
- bzero(bp, sizeof (buf_t));
-}
-
-void
-biodone(buf_t *bp)
-{
- if (bp->b_iodone != NULL) {
- (*(bp->b_iodone))(bp);
- return;
- }
- ASSERT((bp->b_flags & B_DONE) == 0);
- bp->b_flags |= B_DONE;
-}
-
-void
-bioerror(buf_t *bp, int error)
-{
- ASSERT(bp != NULL);
- ASSERT(error >= 0);
-
- if (error != 0) {
- bp->b_flags |= B_ERROR;
- } else {
- bp->b_flags &= ~B_ERROR;
- }
- bp->b_error = error;
-}
-
-
-int
-geterror(struct buf *bp)
-{
- int error = 0;
-
- if (bp->b_flags & B_ERROR) {
- error = bp->b_error;
- if (!error)
- error = EIO;
- }
- return (error);
-}
-#endif
diff --git a/cddl/contrib/opensolaris/lib/libzpool/common/sys/zfs_context.h b/cddl/contrib/opensolaris/lib/libzpool/common/sys/zfs_context.h
deleted file mode 100644
index 6f1a17f27852..000000000000
--- a/cddl/contrib/opensolaris/lib/libzpool/common/sys/zfs_context.h
+++ /dev/null
@@ -1,838 +0,0 @@
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License (the "License").
- * You may not use this file except in compliance with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-/*
- * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2012, 2016 by Delphix. All rights reserved.
- * Copyright (c) 2012, Joyent, Inc. All rights reserved.
- */
-/*
- * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
- */
-
-#ifndef _SYS_ZFS_CONTEXT_H
-#define _SYS_ZFS_CONTEXT_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define _SYS_MUTEX_H
-#define _SYS_RWLOCK_H
-#define _SYS_CONDVAR_H
-#define _SYS_SYSTM_H
-#define _SYS_T_LOCK_H
-#define _SYS_VNODE_H
-#define _SYS_VFS_H
-#define _SYS_SUNDDI_H
-#define _SYS_CALLB_H
-#define _SYS_SCHED_H_
-
-#include <solaris.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <stdarg.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-#include <strings.h>
-#include <thread.h>
-#include <assert.h>
-#include <limits.h>
-#include <dirent.h>
-#include <time.h>
-#include <math.h>
-#include <umem.h>
-#include <inttypes.h>
-#include <fsshare.h>
-#include <pthread.h>
-#include <sched.h>
-#include <setjmp.h>
-#include <sys/debug.h>
-#include <sys/note.h>
-#include <sys/types.h>
-#include <sys/cred.h>
-#include <sys/atomic.h>
-#include <sys/sysmacros.h>
-#include <sys/bitmap.h>
-#include <sys/resource.h>
-#include <sys/byteorder.h>
-#include <sys/list.h>
-#include <sys/time.h>
-#include <sys/uio.h>
-#include <sys/mntent.h>
-#include <sys/mnttab.h>
-#include <sys/zfs_debug.h>
-#include <sys/sdt.h>
-#include <sys/kstat.h>
-#include <sys/u8_textprep.h>
-#include <sys/kernel.h>
-#include <sys/disk.h>
-#include <sys/sysevent.h>
-#include <sys/sysevent/eventdefs.h>
-#include <sys/sysevent/dev.h>
-#include <machine/atomic.h>
-#include <sys/debug.h>
-#ifdef illumos
-#include "zfs.h"
-#endif
-
-#define ZFS_EXPORTS_PATH "/etc/zfs/exports"
-
-/*
- * Debugging
- */
-
-/*
- * Note that we are not using the debugging levels.
- */
-
-#define CE_CONT 0 /* continuation */
-#define CE_NOTE 1 /* notice */
-#define CE_WARN 2 /* warning */
-#define CE_PANIC 3 /* panic */
-#define CE_IGNORE 4 /* print nothing */
-
-/*
- * ZFS debugging
- */
-
-#define ZFS_LOG(...) do { } while (0)
-
-typedef u_longlong_t rlim64_t;
-#define RLIM64_INFINITY ((rlim64_t)-3)
-
-#ifdef ZFS_DEBUG
-extern void dprintf_setup(int *argc, char **argv);
-#endif /* ZFS_DEBUG */
-
-extern void cmn_err(int, const char *, ...);
-extern void vcmn_err(int, const char *, __va_list);
-extern void panic(const char *, ...) __NORETURN;
-extern void vpanic(const char *, __va_list) __NORETURN;
-
-#define fm_panic panic
-
-extern int aok;
-
-/*
- * DTrace SDT probes have different signatures in userland than they do in
- * the kernel. If they're being used in kernel code, re-define them out of
- * existence for their counterparts in libzpool.
- *
- * Here's an example of how to use the set-error probes in userland:
- * zfs$target:::set-error /arg0 == EBUSY/ {stack();}
- *
- * Here's an example of how to use DTRACE_PROBE probes in userland:
- * If there is a probe declared as follows:
- * DTRACE_PROBE2(zfs__probe_name, uint64_t, blkid, dnode_t *, dn);
- * Then you can use it as follows:
- * zfs$target:::probe2 /copyinstr(arg0) == "zfs__probe_name"/
- * {printf("%u %p\n", arg1, arg2);}
- */
-
-#ifdef DTRACE_PROBE
-#undef DTRACE_PROBE
-#endif /* DTRACE_PROBE */
-#ifdef illumos
-#define DTRACE_PROBE(a) \
- ZFS_PROBE0(#a)
-#endif
-
-#ifdef DTRACE_PROBE1
-#undef DTRACE_PROBE1
-#endif /* DTRACE_PROBE1 */
-#ifdef illumos
-#define DTRACE_PROBE1(a, b, c) \
- ZFS_PROBE1(#a, (unsigned long)c)
-#endif
-
-#ifdef DTRACE_PROBE2
-#undef DTRACE_PROBE2
-#endif /* DTRACE_PROBE2 */
-#ifdef illumos
-#define DTRACE_PROBE2(a, b, c, d, e) \
- ZFS_PROBE2(#a, (unsigned long)c, (unsigned long)e)
-#endif
-
-#ifdef DTRACE_PROBE3
-#undef DTRACE_PROBE3
-#endif /* DTRACE_PROBE3 */
-#ifdef illumos
-#define DTRACE_PROBE3(a, b, c, d, e, f, g) \
- ZFS_PROBE3(#a, (unsigned long)c, (unsigned long)e, (unsigned long)g)
-#endif
-
-#ifdef DTRACE_PROBE4
-#undef DTRACE_PROBE4
-#endif /* DTRACE_PROBE4 */
-#ifdef illumos
-#define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) \
- ZFS_PROBE4(#a, (unsigned long)c, (unsigned long)e, (unsigned long)g, \
- (unsigned long)i)
-#endif
-
-#ifdef illumos
-/*
- * We use the comma operator so that this macro can be used without much
- * additional code. For example, "return (EINVAL);" becomes
- * "return (SET_ERROR(EINVAL));". Note that the argument will be evaluated
- * twice, so it should not have side effects (e.g. something like:
- * "return (SET_ERROR(log_error(EINVAL, info)));" would log the error twice).
- */
-#define SET_ERROR(err) (ZFS_SET_ERROR(err), err)
-#else /* !illumos */
-
-#define DTRACE_PROBE(a) ((void)0)
-#define DTRACE_PROBE1(a, b, c) ((void)0)
-#define DTRACE_PROBE2(a, b, c, d, e) ((void)0)
-#define DTRACE_PROBE3(a, b, c, d, e, f, g) ((void)0)
-#define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) ((void)0)
-
-#define SET_ERROR(err) (err)
-#endif /* !illumos */
-
-/*
- * Threads
- */
-#define curthread ((void *)(uintptr_t)thr_self())
-
-#define kpreempt(x) sched_yield()
-
-typedef struct kthread kthread_t;
-
-#define thread_create(stk, stksize, func, arg, len, pp, state, pri) \
- zk_thread_create(func, arg)
-#define thread_exit() thr_exit(NULL)
-#define thread_join(t) panic("libzpool cannot join threads")
-
-#define newproc(f, a, cid, pri, ctp, pid) (ENOSYS)
-
-/* in libzpool, p0 exists only to have its address taken */
-struct proc {
- uintptr_t this_is_never_used_dont_dereference_it;
-};
-
-extern struct proc p0;
-#define curproc (&p0)
-
-#define PS_NONE -1
-
-extern kthread_t *zk_thread_create(void (*func)(void*), void *arg);
-
-#define issig(why) (FALSE)
-#define ISSIG(thr, why) (FALSE)
-
-/*
- * Mutexes
- */
-typedef struct kmutex {
- void *m_owner;
- boolean_t initialized;
- mutex_t m_lock;
-} kmutex_t;
-
-#define MUTEX_DEFAULT USYNC_THREAD
-#undef MUTEX_HELD
-#undef MUTEX_NOT_HELD
-#define MUTEX_HELD(m) ((m)->m_owner == curthread)
-#define MUTEX_NOT_HELD(m) (!MUTEX_HELD(m))
-#define _mutex_held(m) pthread_mutex_isowned_np(m)
-
-/*
- * Argh -- we have to get cheesy here because the kernel and userland
- * have different signatures for the same routine.
- */
-//extern int _mutex_init(mutex_t *mp, int type, void *arg);
-//extern int _mutex_destroy(mutex_t *mp);
-//extern int _mutex_owned(mutex_t *mp);
-
-#define mutex_init(mp, b, c, d) zmutex_init((kmutex_t *)(mp))
-#define mutex_destroy(mp) zmutex_destroy((kmutex_t *)(mp))
-#define mutex_owned(mp) zmutex_owned((kmutex_t *)(mp))
-
-extern void zmutex_init(kmutex_t *mp);
-extern void zmutex_destroy(kmutex_t *mp);
-extern int zmutex_owned(kmutex_t *mp);
-extern void mutex_enter(kmutex_t *mp);
-extern void mutex_exit(kmutex_t *mp);
-extern int mutex_tryenter(kmutex_t *mp);
-extern void *mutex_owner(kmutex_t *mp);
-
-/*
- * RW locks
- */
-typedef struct krwlock {
- int rw_count;
- void *rw_owner;
- boolean_t initialized;
- rwlock_t rw_lock;
-} krwlock_t;
-
-typedef int krw_t;
-
-#define RW_READER 0
-#define RW_WRITER 1
-#define RW_DEFAULT USYNC_THREAD
-
-#undef RW_READ_HELD
-#define RW_READ_HELD(x) ((x)->rw_owner == NULL && (x)->rw_count > 0)
-
-#undef RW_WRITE_HELD
-#define RW_WRITE_HELD(x) ((x)->rw_owner == curthread)
-#define RW_LOCK_HELD(x) rw_lock_held(x)
-
-#undef RW_LOCK_HELD
-#define RW_LOCK_HELD(x) (RW_READ_HELD(x) || RW_WRITE_HELD(x))
-
-extern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg);
-extern void rw_destroy(krwlock_t *rwlp);
-extern void rw_enter(krwlock_t *rwlp, krw_t rw);
-extern int rw_tryenter(krwlock_t *rwlp, krw_t rw);
-extern int rw_tryupgrade(krwlock_t *rwlp);
-extern void rw_exit(krwlock_t *rwlp);
-extern int rw_lock_held(krwlock_t *rwlp);
-#define rw_downgrade(rwlp) do { } while (0)
-
-extern uid_t crgetuid(cred_t *cr);
-extern uid_t crgetruid(cred_t *cr);
-extern gid_t crgetgid(cred_t *cr);
-extern int crgetngroups(cred_t *cr);
-extern gid_t *crgetgroups(cred_t *cr);
-
-/*
- * Condition variables
- */
-typedef cond_t kcondvar_t;
-
-#define CV_DEFAULT USYNC_THREAD
-#define CALLOUT_FLAG_ABSOLUTE 0x2
-
-extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg);
-extern void cv_destroy(kcondvar_t *cv);
-extern void cv_wait(kcondvar_t *cv, kmutex_t *mp);
-extern int cv_wait_sig(kcondvar_t *cv, kmutex_t *mp);
-extern clock_t cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime);
-#define cv_timedwait_sig(cvp, mp, t) cv_timedwait(cvp, mp, t)
-extern clock_t cv_timedwait_hires(kcondvar_t *cvp, kmutex_t *mp, hrtime_t tim,
- hrtime_t res, int flag);
-#define cv_timedwait_sig_hires(cvp, mp, t, r, f) \
- cv_timedwait_hires(cvp, mp, t, r, f)
-extern void cv_signal(kcondvar_t *cv);
-extern void cv_broadcast(kcondvar_t *cv);
-
-/*
- * Thread-specific data
- */
-#define tsd_get(k) pthread_getspecific(k)
-#define tsd_set(k, v) pthread_setspecific(k, v)
-#define tsd_create(kp, d) pthread_key_create(kp, d)
-#define tsd_destroy(kp) /* nothing */
-
-/*
- * Kernel memory
- */
-#define KM_SLEEP UMEM_NOFAIL
-#define KM_PUSHPAGE KM_SLEEP
-#define KM_NOSLEEP UMEM_DEFAULT
-#define KM_NORMALPRI 0 /* not needed with UMEM_DEFAULT */
-#define KMC_NODEBUG UMC_NODEBUG
-#define KMC_NOTOUCH 0 /* not needed for userland caches */
-#define KM_NODEBUG 0
-#define kmem_alloc(_s, _f) umem_alloc(_s, _f)
-#define kmem_zalloc(_s, _f) umem_zalloc(_s, _f)
-#define kmem_free(_b, _s) umem_free(_b, _s)
-#define kmem_size() (physmem * PAGESIZE)
-#define kmem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) \
- umem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i)
-#define kmem_cache_destroy(_c) umem_cache_destroy(_c)
-#define kmem_cache_alloc(_c, _f) umem_cache_alloc(_c, _f)
-#define kmem_cache_free(_c, _b) umem_cache_free(_c, _b)
-#define kmem_debugging() 0
-#define kmem_cache_reap_active() (B_FALSE)
-#define kmem_cache_reap_soon(_c) /* nothing */
-#define kmem_cache_set_move(_c, _cb) /* nothing */
-#define POINTER_INVALIDATE(_pp) /* nothing */
-#define POINTER_IS_VALID(_p) 0
-
-typedef umem_cache_t kmem_cache_t;
-
-typedef enum kmem_cbrc {
- KMEM_CBRC_YES,
- KMEM_CBRC_NO,
- KMEM_CBRC_LATER,
- KMEM_CBRC_DONT_NEED,
- KMEM_CBRC_DONT_KNOW
-} kmem_cbrc_t;
-
-/*
- * Task queues
- */
-typedef struct taskq taskq_t;
-typedef uintptr_t taskqid_t;
-typedef void (task_func_t)(void *);
-
-typedef struct taskq_ent {
- struct taskq_ent *tqent_next;
- struct taskq_ent *tqent_prev;
- task_func_t *tqent_func;
- void *tqent_arg;
- uintptr_t tqent_flags;
-} taskq_ent_t;
-
-#define TQENT_FLAG_PREALLOC 0x1 /* taskq_dispatch_ent used */
-
-#define TASKQ_PREPOPULATE 0x0001
-#define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */
-#define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */
-#define TASKQ_THREADS_CPU_PCT 0x0008 /* Scale # threads by # cpus */
-#define TASKQ_DC_BATCH 0x0010 /* Mark threads as batch */
-
-#define TQ_SLEEP KM_SLEEP /* Can block for memory */
-#define TQ_NOSLEEP KM_NOSLEEP /* cannot block for memory; may fail */
-#define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */
-#define TQ_FRONT 0x08 /* Queue in front */
-
-#define TASKQID_INVALID ((taskqid_t)0)
-
-extern taskq_t *system_taskq;
-
-extern taskq_t *taskq_create(const char *, int, pri_t, int, int, uint_t);
-#define taskq_create_proc(a, b, c, d, e, p, f) \
- (taskq_create(a, b, c, d, e, f))
-#define taskq_create_sysdc(a, b, d, e, p, dc, f) \
- (taskq_create(a, b, maxclsyspri, d, e, f))
-extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t);
-extern void taskq_dispatch_ent(taskq_t *, task_func_t, void *, uint_t,
- taskq_ent_t *);
-extern void taskq_destroy(taskq_t *);
-extern void taskq_wait(taskq_t *);
-extern void taskq_wait_id(taskq_t *, taskqid_t);
-extern int taskq_member(taskq_t *, void *);
-extern void system_taskq_init(void);
-extern void system_taskq_fini(void);
-
-#define taskq_dispatch_safe(tq, func, arg, flags, task) \
- taskq_dispatch((tq), (func), (arg), (flags))
-
-#define XVA_MAPSIZE 3
-#define XVA_MAGIC 0x78766174
-
-/*
- * vnodes
- */
-typedef struct vnode {
- uint64_t v_size;
- int v_fd;
- char *v_path;
- int v_dump_fd;
-} vnode_t;
-
-extern char *vn_dumpdir;
-#define AV_SCANSTAMP_SZ 32 /* length of anti-virus scanstamp */
-
-typedef struct xoptattr {
- timestruc_t xoa_createtime; /* Create time of file */
- uint8_t xoa_archive;
- uint8_t xoa_system;
- uint8_t xoa_readonly;
- uint8_t xoa_hidden;
- uint8_t xoa_nounlink;
- uint8_t xoa_immutable;
- uint8_t xoa_appendonly;
- uint8_t xoa_nodump;
- uint8_t xoa_settable;
- uint8_t xoa_opaque;
- uint8_t xoa_av_quarantined;
- uint8_t xoa_av_modified;
- uint8_t xoa_av_scanstamp[AV_SCANSTAMP_SZ];
- uint8_t xoa_reparse;
- uint8_t xoa_offline;
- uint8_t xoa_sparse;
-} xoptattr_t;
-
-typedef struct vattr {
- uint_t va_mask; /* bit-mask of attributes */
- u_offset_t va_size; /* file size in bytes */
-} vattr_t;
-
-
-typedef struct xvattr {
- vattr_t xva_vattr; /* Embedded vattr structure */
- uint32_t xva_magic; /* Magic Number */
- uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */
- uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */
- uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */
- uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */
- xoptattr_t xva_xoptattrs; /* Optional attributes */
-} xvattr_t;
-
-typedef struct vsecattr {
- uint_t vsa_mask; /* See below */
- int vsa_aclcnt; /* ACL entry count */
- void *vsa_aclentp; /* pointer to ACL entries */
- int vsa_dfaclcnt; /* default ACL entry count */
- void *vsa_dfaclentp; /* pointer to default ACL entries */
- size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */
-} vsecattr_t;
-
-#define AT_TYPE 0x00001
-#define AT_MODE 0x00002
-#define AT_UID 0x00004
-#define AT_GID 0x00008
-#define AT_FSID 0x00010
-#define AT_NODEID 0x00020
-#define AT_NLINK 0x00040
-#define AT_SIZE 0x00080
-#define AT_ATIME 0x00100
-#define AT_MTIME 0x00200
-#define AT_CTIME 0x00400
-#define AT_RDEV 0x00800
-#define AT_BLKSIZE 0x01000
-#define AT_NBLOCKS 0x02000
-#define AT_SEQ 0x08000
-#define AT_XVATTR 0x10000
-
-#define CRCREAT 0
-
-extern int fop_getattr(vnode_t *vp, vattr_t *vap);
-
-#define VOP_CLOSE(vp, f, c, o, cr, ct) 0
-#define VOP_PUTPAGE(vp, of, sz, fl, cr, ct) 0
-#define VOP_GETATTR(vp, vap, cr) fop_getattr((vp), (vap));
-
-#define VOP_FSYNC(vp, f, cr, ct) fsync((vp)->v_fd)
-
-#define VN_RELE(vp) vn_close(vp, 0, NULL, NULL)
-#define VN_RELE_ASYNC(vp, taskq) vn_close(vp, 0, NULL, NULL)
-
-#define vn_lock(vp, type)
-#define VOP_UNLOCK(vp)
-
-extern int vn_open(char *path, int x1, int oflags, int mode, vnode_t **vpp,
- int x2, int x3);
-extern int vn_openat(char *path, int x1, int oflags, int mode, vnode_t **vpp,
- int x2, int x3, vnode_t *vp, int fd);
-extern int vn_rdwr(int uio, vnode_t *vp, void *addr, ssize_t len,
- offset_t offset, int x1, int x2, rlim64_t x3, void *x4, ssize_t *residp);
-extern void vn_close(vnode_t *vp, int openflag, cred_t *cr, kthread_t *td);
-
-#define vn_remove(path, x1, x2) remove(path)
-#define vn_rename(from, to, seg) rename((from), (to))
-#define vn_is_readonly(vp) B_FALSE
-
-extern vnode_t *rootdir;
-
-#include <sys/file.h> /* for FREAD, FWRITE, etc */
-#define FTRUNC O_TRUNC
-
-/*
- * Random stuff
- */
-#define ddi_get_lbolt() (gethrtime() >> 23)
-#define ddi_get_lbolt64() (gethrtime() >> 23)
-#define hz 119 /* frequency when using gethrtime() >> 23 for lbolt */
-
-extern void delay(clock_t ticks);
-
-#define SEC_TO_TICK(sec) ((sec) * hz)
-#define NSEC_TO_TICK(nsec) ((nsec) / (NANOSEC / hz))
-
-#define gethrestime_sec() time(NULL)
-#define gethrestime(t) \
- do {\
- (t)->tv_sec = gethrestime_sec();\
- (t)->tv_nsec = 0;\
- } while (0);
-
-#define max_ncpus 64
-#define boot_ncpus (sysconf(_SC_NPROCESSORS_ONLN))
-
-#define minclsyspri 60
-#define maxclsyspri 99
-
-#define CPU_SEQID (thr_self() & (max_ncpus - 1))
-
-#define kcred NULL
-#define CRED() NULL
-
-#ifndef ptob
-#define ptob(x) ((x) * PAGESIZE)
-#endif
-
-extern uint64_t physmem;
-
-extern int highbit64(uint64_t i);
-extern int random_get_bytes(uint8_t *ptr, size_t len);
-extern int random_get_pseudo_bytes(uint8_t *ptr, size_t len);
-
-extern void kernel_init(int);
-extern void kernel_fini(void);
-
-struct spa;
-extern void nicenum(uint64_t num, char *buf, size_t);
-extern void show_pool_stats(struct spa *);
-extern int set_global_var(char *arg);
-
-typedef struct callb_cpr {
- kmutex_t *cc_lockp;
-} callb_cpr_t;
-
-#define CALLB_CPR_INIT(cp, lockp, func, name) { \
- (cp)->cc_lockp = lockp; \
-}
-
-#define CALLB_CPR_SAFE_BEGIN(cp) { \
- ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
-}
-
-#define CALLB_CPR_SAFE_END(cp, lockp) { \
- ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
-}
-
-#define CALLB_CPR_EXIT(cp) { \
- ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
- mutex_exit((cp)->cc_lockp); \
-}
-
-#define zone_dataset_visible(x, y) (1)
-#define INGLOBALZONE(z) (1)
-extern uint32_t zone_get_hostid(void *zonep);
-
-extern char *kmem_asprintf(const char *fmt, ...);
-#define strfree(str) kmem_free((str), strlen(str) + 1)
-
-/*
- * Hostname information
- */
-extern struct utsname utsname;
-extern char hw_serial[]; /* for userland-emulated hostid access */
-extern int ddi_strtoul(const char *str, char **nptr, int base,
- unsigned long *result);
-
-extern int ddi_strtoull(const char *str, char **nptr, int base,
- u_longlong_t *result);
-
-/* ZFS Boot Related stuff. */
-
-struct _buf {
- intptr_t _fd;
-};
-
-struct bootstat {
- uint64_t st_size;
-};
-
-typedef struct ace_object {
- uid_t a_who;
- uint32_t a_access_mask;
- uint16_t a_flags;
- uint16_t a_type;
- uint8_t a_obj_type[16];
- uint8_t a_inherit_obj_type[16];
-} ace_object_t;
-
-
-#define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05
-#define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE 0x06
-#define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07
-#define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08
-
-extern struct _buf *kobj_open_file(char *name);
-extern int kobj_read_file(struct _buf *file, char *buf, unsigned size,
- unsigned off);
-extern void kobj_close_file(struct _buf *file);
-extern int kobj_get_filesize(struct _buf *file, uint64_t *size);
-extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr);
-extern int zfs_secpolicy_rename_perms(const char *from, const char *to,
- cred_t *cr);
-extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr);
-extern zoneid_t getzoneid(void);
-/* Random compatibility stuff. */
-#define pwrite64(d, p, n, o) pwrite(d, p, n, o)
-#define readdir64(d) readdir(d)
-#define SIGPENDING(td) (0)
-#define root_mount_wait() do { } while (0)
-#define root_mounted() (1)
-
-#define noinline __attribute__((noinline))
-#define likely(x) __builtin_expect((x), 1)
-
-struct file {
- void *dummy;
-};
-
-#define FCREAT O_CREAT
-#define FOFFMAX 0x0
-
-/* SID stuff */
-typedef struct ksiddomain {
- uint_t kd_ref;
- uint_t kd_len;
- char *kd_name;
-} ksiddomain_t;
-
-ksiddomain_t *ksid_lookupdomain(const char *);
-void ksiddomain_rele(ksiddomain_t *);
-
-typedef uint32_t idmap_rid_t;
-
-#define DDI_SLEEP KM_SLEEP
-#define ddi_log_sysevent(_a, _b, _c, _d, _e, _f, _g) (0)
-
-#define SX_SYSINIT(name, lock, desc)
-
-#define SYSCTL_HANDLER_ARGS struct sysctl_oid *oidp, void *arg1, \
- intptr_t arg2, struct sysctl_req *req
-
-/*
- * This describes the access space for a sysctl request. This is needed
- * so that we can use the interface from the kernel or from user-space.
- */
-struct sysctl_req {
- struct thread *td; /* used for access checking */
- int lock; /* wiring state */
- void *oldptr;
- size_t oldlen;
- size_t oldidx;
- int (*oldfunc)(struct sysctl_req *, const void *, size_t);
- void *newptr;
- size_t newlen;
- size_t newidx;
- int (*newfunc)(struct sysctl_req *, void *, size_t);
- size_t validlen;
- int flags;
-};
-
-SLIST_HEAD(sysctl_oid_list, sysctl_oid);
-
-/*
- * This describes one "oid" in the MIB tree. Potentially more nodes can
- * be hidden behind it, expanded by the handler.
- */
-struct sysctl_oid {
- struct sysctl_oid_list *oid_parent;
- SLIST_ENTRY(sysctl_oid) oid_link;
- int oid_number;
- u_int oid_kind;
- void *oid_arg1;
- intptr_t oid_arg2;
- const char *oid_name;
- int (*oid_handler)(SYSCTL_HANDLER_ARGS);
- const char *oid_fmt;
- int oid_refcnt;
- u_int oid_running;
- const char *oid_descr;
-};
-
-#define SYSCTL_DECL(...)
-#define SYSCTL_NODE(...)
-#define SYSCTL_INT(...)
-#define SYSCTL_UINT(...)
-#define SYSCTL_ULONG(...)
-#define SYSCTL_PROC(...)
-#define SYSCTL_QUAD(...)
-#define SYSCTL_UQUAD(...)
-#ifdef TUNABLE_INT
-#undef TUNABLE_INT
-#undef TUNABLE_ULONG
-#undef TUNABLE_QUAD
-#endif
-#define TUNABLE_INT(...)
-#define TUNABLE_ULONG(...)
-#define TUNABLE_QUAD(...)
-
-int sysctl_handle_64(SYSCTL_HANDLER_ARGS);
-
-/* Errors */
-
-#ifndef ERESTART
-#define ERESTART (-1)
-#endif
-
-#ifdef illumos
-/*
- * Cyclic information
- */
-extern kmutex_t cpu_lock;
-
-typedef uintptr_t cyclic_id_t;
-typedef uint16_t cyc_level_t;
-typedef void (*cyc_func_t)(void *);
-
-#define CY_LOW_LEVEL 0
-#define CY_INFINITY INT64_MAX
-#define CYCLIC_NONE ((cyclic_id_t)0)
-
-typedef struct cyc_time {
- hrtime_t cyt_when;
- hrtime_t cyt_interval;
-} cyc_time_t;
-
-typedef struct cyc_handler {
- cyc_func_t cyh_func;
- void *cyh_arg;
- cyc_level_t cyh_level;
-} cyc_handler_t;
-
-extern cyclic_id_t cyclic_add(cyc_handler_t *, cyc_time_t *);
-extern void cyclic_remove(cyclic_id_t);
-extern int cyclic_reprogram(cyclic_id_t, hrtime_t);
-#endif /* illumos */
-
-#ifdef illumos
-/*
- * Buf structure
- */
-#define B_BUSY 0x0001
-#define B_DONE 0x0002
-#define B_ERROR 0x0004
-#define B_READ 0x0040 /* read when I/O occurs */
-#define B_WRITE 0x0100 /* non-read pseudo-flag */
-
-typedef struct buf {
- int b_flags;
- size_t b_bcount;
- union {
- caddr_t b_addr;
- } b_un;
-
- lldaddr_t _b_blkno;
-#define b_lblkno _b_blkno._f
- size_t b_resid;
- size_t b_bufsize;
- int (*b_iodone)(struct buf *);
- int b_error;
- void *b_private;
-} buf_t;
-
-extern void bioinit(buf_t *);
-extern void biodone(buf_t *);
-extern void bioerror(buf_t *, int);
-extern int geterror(buf_t *);
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _SYS_ZFS_CONTEXT_H */
diff --git a/cddl/contrib/opensolaris/lib/libzpool/common/taskq.c b/cddl/contrib/opensolaris/lib/libzpool/common/taskq.c
deleted file mode 100644
index 595d766e93df..000000000000
--- a/cddl/contrib/opensolaris/lib/libzpool/common/taskq.c
+++ /dev/null
@@ -1,353 +0,0 @@
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License (the "License").
- * You may not use this file except in compliance with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-/*
- * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
- * Use is subject to license terms.
- */
-/*
- * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
- * Copyright 2012 Garrett D'Amore <garrett@damore.org>. All rights reserved.
- * Copyright (c) 2014 by Delphix. All rights reserved.
- */
-
-#include <sys/zfs_context.h>
-
-int taskq_now;
-taskq_t *system_taskq;
-
-#define TASKQ_ACTIVE 0x00010000
-#define TASKQ_NAMELEN 31
-
-struct taskq {
- char tq_name[TASKQ_NAMELEN + 1];
- kmutex_t tq_lock;
- krwlock_t tq_threadlock;
- kcondvar_t tq_dispatch_cv;
- kcondvar_t tq_wait_cv;
- thread_t *tq_threadlist;
- int tq_flags;
- int tq_active;
- int tq_nthreads;
- int tq_nalloc;
- int tq_minalloc;
- int tq_maxalloc;
- kcondvar_t tq_maxalloc_cv;
- int tq_maxalloc_wait;
- taskq_ent_t *tq_freelist;
- taskq_ent_t tq_task;
-};
-
-static taskq_ent_t *
-task_alloc(taskq_t *tq, int tqflags)
-{
- taskq_ent_t *t;
- int rv;
-
-again: if ((t = tq->tq_freelist) != NULL && tq->tq_nalloc >= tq->tq_minalloc) {
- tq->tq_freelist = t->tqent_next;
- } else {
- if (tq->tq_nalloc >= tq->tq_maxalloc) {
- if (!(tqflags & KM_SLEEP))
- return (NULL);
-
- /*
- * We don't want to exceed tq_maxalloc, but we can't
- * wait for other tasks to complete (and thus free up
- * task structures) without risking deadlock with
- * the caller. So, we just delay for one second
- * to throttle the allocation rate. If we have tasks
- * complete before one second timeout expires then
- * taskq_ent_free will signal us and we will
- * immediately retry the allocation.
- */
- tq->tq_maxalloc_wait++;
-#ifdef __FreeBSD__
- rv = cv_timedwait(&tq->tq_maxalloc_cv,
- &tq->tq_lock, hz);
-#else
- rv = cv_timedwait(&tq->tq_maxalloc_cv,
- &tq->tq_lock, ddi_get_lbolt() + hz);
-#endif
- tq->tq_maxalloc_wait--;
- if (rv > 0)
- goto again; /* signaled */
- }
- mutex_exit(&tq->tq_lock);
-
- t = kmem_alloc(sizeof (taskq_ent_t), tqflags & KM_SLEEP);
-
- mutex_enter(&tq->tq_lock);
- if (t != NULL)
- tq->tq_nalloc++;
- }
- return (t);
-}
-
-static void
-task_free(taskq_t *tq, taskq_ent_t *t)
-{
- if (tq->tq_nalloc <= tq->tq_minalloc) {
- t->tqent_next = tq->tq_freelist;
- tq->tq_freelist = t;
- } else {
- tq->tq_nalloc--;
- mutex_exit(&tq->tq_lock);
- kmem_free(t, sizeof (taskq_ent_t));
- mutex_enter(&tq->tq_lock);
- }
-
- if (tq->tq_maxalloc_wait)
- cv_signal(&tq->tq_maxalloc_cv);
-}
-
-taskqid_t
-taskq_dispatch(taskq_t *tq, task_func_t func, void *arg, uint_t tqflags)
-{
- taskq_ent_t *t;
-
- if (taskq_now) {
- func(arg);
- return (1);
- }
-
- mutex_enter(&tq->tq_lock);
- ASSERT(tq->tq_flags & TASKQ_ACTIVE);
- if ((t = task_alloc(tq, tqflags)) == NULL) {
- mutex_exit(&tq->tq_lock);
- return (0);
- }
- if (tqflags & TQ_FRONT) {
- t->tqent_next = tq->tq_task.tqent_next;
- t->tqent_prev = &tq->tq_task;
- } else {
- t->tqent_next = &tq->tq_task;
- t->tqent_prev = tq->tq_task.tqent_prev;
- }
- t->tqent_next->tqent_prev = t;
- t->tqent_prev->tqent_next = t;
- t->tqent_func = func;
- t->tqent_arg = arg;
- t->tqent_flags = 0;
- cv_signal(&tq->tq_dispatch_cv);
- mutex_exit(&tq->tq_lock);
- return (1);
-}
-
-void
-taskq_dispatch_ent(taskq_t *tq, task_func_t func, void *arg, uint_t flags,
- taskq_ent_t *t)
-{
- ASSERT(func != NULL);
- ASSERT(!(tq->tq_flags & TASKQ_DYNAMIC));
-
- /*
- * Mark it as a prealloc'd task. This is important
- * to ensure that we don't free it later.
- */
- t->tqent_flags |= TQENT_FLAG_PREALLOC;
- /*
- * Enqueue the task to the underlying queue.
- */
- mutex_enter(&tq->tq_lock);
-
- if (flags & TQ_FRONT) {
- t->tqent_next = tq->tq_task.tqent_next;
- t->tqent_prev = &tq->tq_task;
- } else {
- t->tqent_next = &tq->tq_task;
- t->tqent_prev = tq->tq_task.tqent_prev;
- }
- t->tqent_next->tqent_prev = t;
- t->tqent_prev->tqent_next = t;
- t->tqent_func = func;
- t->tqent_arg = arg;
- cv_signal(&tq->tq_dispatch_cv);
- mutex_exit(&tq->tq_lock);
-}
-
-void
-taskq_wait(taskq_t *tq)
-{
- mutex_enter(&tq->tq_lock);
- while (tq->tq_task.tqent_next != &tq->tq_task || tq->tq_active != 0)
- cv_wait(&tq->tq_wait_cv, &tq->tq_lock);
- mutex_exit(&tq->tq_lock);
-}
-
-void
-taskq_wait_id(taskq_t *tq, taskqid_t id)
-{
- taskq_wait(tq);
-}
-
-static void *
-taskq_thread(void *arg)
-{
- taskq_t *tq = arg;
- taskq_ent_t *t;
- boolean_t prealloc;
-
- mutex_enter(&tq->tq_lock);
- while (tq->tq_flags & TASKQ_ACTIVE) {
- if ((t = tq->tq_task.tqent_next) == &tq->tq_task) {
- if (--tq->tq_active == 0)
- cv_broadcast(&tq->tq_wait_cv);
- cv_wait(&tq->tq_dispatch_cv, &tq->tq_lock);
- tq->tq_active++;
- continue;
- }
- t->tqent_prev->tqent_next = t->tqent_next;
- t->tqent_next->tqent_prev = t->tqent_prev;
- t->tqent_next = NULL;
- t->tqent_prev = NULL;
- prealloc = t->tqent_flags & TQENT_FLAG_PREALLOC;
- mutex_exit(&tq->tq_lock);
-
- rw_enter(&tq->tq_threadlock, RW_READER);
- t->tqent_func(t->tqent_arg);
- rw_exit(&tq->tq_threadlock);
-
- mutex_enter(&tq->tq_lock);
- if (!prealloc)
- task_free(tq, t);
- }
- tq->tq_nthreads--;
- cv_broadcast(&tq->tq_wait_cv);
- mutex_exit(&tq->tq_lock);
- return (NULL);
-}
-
-/*ARGSUSED*/
-taskq_t *
-taskq_create(const char *name, int nthreads, pri_t pri,
- int minalloc, int maxalloc, uint_t flags)
-{
- taskq_t *tq = kmem_zalloc(sizeof (taskq_t), KM_SLEEP);
- int t;
-
- if (flags & TASKQ_THREADS_CPU_PCT) {
- int pct;
- ASSERT3S(nthreads, >=, 0);
- ASSERT3S(nthreads, <=, 100);
- pct = MIN(nthreads, 100);
- pct = MAX(pct, 0);
-
- nthreads = (sysconf(_SC_NPROCESSORS_ONLN) * pct) / 100;
- nthreads = MAX(nthreads, 1); /* need at least 1 thread */
- } else {
- ASSERT3S(nthreads, >=, 1);
- }
-
- rw_init(&tq->tq_threadlock, NULL, RW_DEFAULT, NULL);
- mutex_init(&tq->tq_lock, NULL, MUTEX_DEFAULT, NULL);
- cv_init(&tq->tq_dispatch_cv, NULL, CV_DEFAULT, NULL);
- cv_init(&tq->tq_wait_cv, NULL, CV_DEFAULT, NULL);
- cv_init(&tq->tq_maxalloc_cv, NULL, CV_DEFAULT, NULL);
- (void) strncpy(tq->tq_name, name, TASKQ_NAMELEN + 1);
- tq->tq_flags = flags | TASKQ_ACTIVE;
- tq->tq_active = nthreads;
- tq->tq_nthreads = nthreads;
- tq->tq_minalloc = minalloc;
- tq->tq_maxalloc = maxalloc;
- tq->tq_task.tqent_next = &tq->tq_task;
- tq->tq_task.tqent_prev = &tq->tq_task;
- tq->tq_threadlist = kmem_alloc(nthreads * sizeof (thread_t), KM_SLEEP);
-
- if (flags & TASKQ_PREPOPULATE) {
- mutex_enter(&tq->tq_lock);
- while (minalloc-- > 0)
- task_free(tq, task_alloc(tq, KM_SLEEP));
- mutex_exit(&tq->tq_lock);
- }
-
- for (t = 0; t < nthreads; t++)
- (void) thr_create(0, 0, taskq_thread,
- tq, THR_BOUND, &tq->tq_threadlist[t]);
-
- return (tq);
-}
-
-void
-taskq_destroy(taskq_t *tq)
-{
- int t;
- int nthreads = tq->tq_nthreads;
-
- taskq_wait(tq);
-
- mutex_enter(&tq->tq_lock);
-
- tq->tq_flags &= ~TASKQ_ACTIVE;
- cv_broadcast(&tq->tq_dispatch_cv);
-
- while (tq->tq_nthreads != 0)
- cv_wait(&tq->tq_wait_cv, &tq->tq_lock);
-
- tq->tq_minalloc = 0;
- while (tq->tq_nalloc != 0) {
- ASSERT(tq->tq_freelist != NULL);
- task_free(tq, task_alloc(tq, KM_SLEEP));
- }
-
- mutex_exit(&tq->tq_lock);
-
- for (t = 0; t < nthreads; t++)
- (void) thr_join(tq->tq_threadlist[t], NULL, NULL);
-
- kmem_free(tq->tq_threadlist, nthreads * sizeof (thread_t));
-
- rw_destroy(&tq->tq_threadlock);
- mutex_destroy(&tq->tq_lock);
- cv_destroy(&tq->tq_dispatch_cv);
- cv_destroy(&tq->tq_wait_cv);
- cv_destroy(&tq->tq_maxalloc_cv);
-
- kmem_free(tq, sizeof (taskq_t));
-}
-
-int
-taskq_member(taskq_t *tq, void *t)
-{
- int i;
-
- if (taskq_now)
- return (1);
-
- for (i = 0; i < tq->tq_nthreads; i++)
- if (tq->tq_threadlist[i] == (thread_t)(uintptr_t)t)
- return (1);
-
- return (0);
-}
-
-void
-system_taskq_init(void)
-{
- system_taskq = taskq_create("system_taskq", 64, minclsyspri, 4, 512,
- TASKQ_DYNAMIC | TASKQ_PREPOPULATE);
-}
-
-void
-system_taskq_fini(void)
-{
- taskq_destroy(system_taskq);
- system_taskq = NULL; /* defensive */
-}
diff --git a/cddl/contrib/opensolaris/lib/libzpool/common/util.c b/cddl/contrib/opensolaris/lib/libzpool/common/util.c
deleted file mode 100644
index d2ed31a46832..000000000000
--- a/cddl/contrib/opensolaris/lib/libzpool/common/util.c
+++ /dev/null
@@ -1,196 +0,0 @@
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License (the "License").
- * You may not use this file except in compliance with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-/*
- * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2016 by Delphix. All rights reserved.
- * Copyright (c) 2017, Intel Corporation.
- */
-
-#include <assert.h>
-#include <sys/zfs_context.h>
-#include <sys/avl.h>
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/spa.h>
-#include <sys/fs/zfs.h>
-#include <sys/refcount.h>
-#include <dlfcn.h>
-
-/*
- * Routines needed by more than one client of libzpool.
- */
-
-static void
-show_vdev_stats(const char *desc, const char *ctype, nvlist_t *nv, int indent)
-{
- vdev_stat_t *vs;
- vdev_stat_t v0 = { 0 };
- uint64_t sec;
- uint64_t is_log = 0;
- nvlist_t **child;
- uint_t c, children;
- char used[6], avail[6];
- char rops[6], wops[6], rbytes[6], wbytes[6], rerr[6], werr[6], cerr[6];
-
- if (indent == 0 && desc != NULL) {
- (void) printf(" "
- " capacity operations bandwidth ---- errors ----\n");
- (void) printf("description "
- "used avail read write read write read write cksum\n");
- }
-
- if (desc != NULL) {
- char *suffix = "", *bias = NULL;
- char bias_suffix[32];
-
- (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_LOG, &is_log);
- (void) nvlist_lookup_string(nv, ZPOOL_CONFIG_ALLOCATION_BIAS,
- &bias);
- if (nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS,
- (uint64_t **)&vs, &c) != 0)
- vs = &v0;
-
- if (bias != NULL) {
- (void) snprintf(bias_suffix, sizeof (bias_suffix),
- " (%s)", bias);
- suffix = bias_suffix;
- } else if (is_log) {
- suffix = " (log)";
- }
-
- sec = MAX(1, vs->vs_timestamp / NANOSEC);
-
- nicenum(vs->vs_alloc, used, sizeof (used));
- nicenum(vs->vs_space - vs->vs_alloc, avail, sizeof (avail));
- nicenum(vs->vs_ops[ZIO_TYPE_READ] / sec, rops, sizeof (rops));
- nicenum(vs->vs_ops[ZIO_TYPE_WRITE] / sec, wops, sizeof (wops));
- nicenum(vs->vs_bytes[ZIO_TYPE_READ] / sec, rbytes,
- sizeof (rbytes));
- nicenum(vs->vs_bytes[ZIO_TYPE_WRITE] / sec, wbytes,
- sizeof (wbytes));
- nicenum(vs->vs_read_errors, rerr, sizeof (rerr));
- nicenum(vs->vs_write_errors, werr, sizeof (werr));
- nicenum(vs->vs_checksum_errors, cerr, sizeof (cerr));
-
- (void) printf("%*s%s%*s%*s%*s %5s %5s %5s %5s %5s %5s %5s\n",
- indent, "",
- desc,
- (int)(indent+strlen(desc)-25-(vs->vs_space ? 0 : 12)),
- suffix,
- vs->vs_space ? 6 : 0, vs->vs_space ? used : "",
- vs->vs_space ? 6 : 0, vs->vs_space ? avail : "",
- rops, wops, rbytes, wbytes, rerr, werr, cerr);
- }
-
- if (nvlist_lookup_nvlist_array(nv, ctype, &child, &children) != 0)
- return;
-
- for (c = 0; c < children; c++) {
- nvlist_t *cnv = child[c];
- char *cname, *tname;
- uint64_t np;
- if (nvlist_lookup_string(cnv, ZPOOL_CONFIG_PATH, &cname) &&
- nvlist_lookup_string(cnv, ZPOOL_CONFIG_TYPE, &cname))
- cname = "<unknown>";
- tname = calloc(1, strlen(cname) + 2);
- (void) strcpy(tname, cname);
- if (nvlist_lookup_uint64(cnv, ZPOOL_CONFIG_NPARITY, &np) == 0)
- tname[strlen(tname)] = '0' + np;
- show_vdev_stats(tname, ctype, cnv, indent + 2);
- free(tname);
- }
-}
-
-void
-show_pool_stats(spa_t *spa)
-{
- nvlist_t *config, *nvroot;
- char *name;
-
- VERIFY(spa_get_stats(spa_name(spa), &config, NULL, 0) == 0);
-
- VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
- &nvroot) == 0);
- VERIFY(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
- &name) == 0);
-
- show_vdev_stats(name, ZPOOL_CONFIG_CHILDREN, nvroot, 0);
- show_vdev_stats(NULL, ZPOOL_CONFIG_L2CACHE, nvroot, 0);
- show_vdev_stats(NULL, ZPOOL_CONFIG_SPARES, nvroot, 0);
-
- nvlist_free(config);
-}
-
-/*
- * Sets given global variable in libzpool to given unsigned 32-bit value.
- * arg: "<variable>=<value>"
- */
-int
-set_global_var(char *arg)
-{
- void *zpoolhdl;
- char *varname = arg, *varval;
- u_longlong_t val;
-
-#ifndef _LITTLE_ENDIAN
- /*
- * On big endian systems changing a 64-bit variable would set the high
- * 32 bits instead of the low 32 bits, which could cause unexpected
- * results.
- */
- fprintf(stderr, "Setting global variables is only supported on "
- "little-endian systems\n", varname);
- return (ENOTSUP);
-#endif
- if ((varval = strchr(arg, '=')) != NULL) {
- *varval = '\0';
- varval++;
- val = strtoull(varval, NULL, 0);
- if (val > UINT32_MAX) {
- fprintf(stderr, "Value for global variable '%s' must "
- "be a 32-bit unsigned integer\n", varname);
- return (EOVERFLOW);
- }
- } else {
- return (EINVAL);
- }
-
- zpoolhdl = dlopen("libzpool.so", RTLD_LAZY);
- if (zpoolhdl != NULL) {
- uint32_t *var;
- var = dlsym(zpoolhdl, varname);
- if (var == NULL) {
- fprintf(stderr, "Global variable '%s' does not exist "
- "in libzpool.so\n", varname);
- return (EINVAL);
- }
- *var = (uint32_t)val;
-
- dlclose(zpoolhdl);
- } else {
- fprintf(stderr, "Failed to open libzpool.so to set global "
- "variable\n");
- return (EIO);
- }
-
- return (0);
-}
diff --git a/cddl/contrib/opensolaris/lib/libzpool/common/zfs.d b/cddl/contrib/opensolaris/lib/libzpool/common/zfs.d
deleted file mode 100644
index 1351733c807b..000000000000
--- a/cddl/contrib/opensolaris/lib/libzpool/common/zfs.d
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * CDDL HEADER START
- *
- * This file and its contents are supplied under the terms of the
- * Common Development and Distribution License ("CDDL"), version 1.0.
- * You may only use this file in accordance with the terms of version
- * 1.0 of the CDDL.
- *
- * A full copy of the text of the CDDL should have accompanied this
- * source. A copy of the CDDL is also available via the Internet at
- * http://www.illumos.org/license/CDDL.
- *
- * CDDL HEADER END
- */
-
-/*
- * Copyright (c) 2013 by Delphix. All rights reserved.
- */
-
-provider zfs {
- probe probe0(char *probename);
- probe probe1(char *probename, unsigned long arg1);
- probe probe2(char *probename, unsigned long arg1, unsigned long arg2);
- probe probe3(char *probename, unsigned long arg1, unsigned long arg2,
- unsigned long arg3);
- probe probe4(char *probename, unsigned long arg1, unsigned long arg2,
- unsigned long arg3, unsigned long arg4);
-
- probe set__error(int err);
-};
-
-#pragma D attributes Evolving/Evolving/ISA provider zfs provider
-#pragma D attributes Private/Private/Unknown provider zfs module
-#pragma D attributes Private/Private/Unknown provider zfs function
-#pragma D attributes Evolving/Evolving/ISA provider zfs name
-#pragma D attributes Evolving/Evolving/ISA provider zfs args