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-rw-r--r--cddl/contrib/opensolaris/cmd/zinject/translate.c492
1 files changed, 0 insertions, 492 deletions
diff --git a/cddl/contrib/opensolaris/cmd/zinject/translate.c b/cddl/contrib/opensolaris/cmd/zinject/translate.c
deleted file mode 100644
index 99a3d0ca4ff3..000000000000
--- a/cddl/contrib/opensolaris/cmd/zinject/translate.c
+++ /dev/null
@@ -1,492 +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) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2012, 2020 by Delphix. All rights reserved.
- */
-
-#include <libzfs.h>
-
-#include <sys/zfs_context.h>
-
-#include <errno.h>
-#include <fcntl.h>
-#include <stdarg.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <strings.h>
-#include <sys/file.h>
-#include <sys/mntent.h>
-#include <sys/mnttab.h>
-#include <sys/param.h>
-#include <sys/stat.h>
-
-#include <sys/dmu.h>
-#include <sys/dmu_objset.h>
-#include <sys/dnode.h>
-#include <sys/vdev_impl.h>
-
-#include "zinject.h"
-
-extern void kernel_init(int);
-extern void kernel_fini(void);
-
-static int debug;
-
-static void
-ziprintf(const char *fmt, ...)
-{
- va_list ap;
-
- if (!debug)
- return;
-
- va_start(ap, fmt);
- (void) vprintf(fmt, ap);
- va_end(ap);
-}
-
-static void
-compress_slashes(const char *src, char *dest)
-{
- while (*src != '\0') {
- *dest = *src++;
- while (*dest == '/' && *src == '/')
- ++src;
- ++dest;
- }
- *dest = '\0';
-}
-
-/*
- * Given a full path to a file, translate into a dataset name and a relative
- * path within the dataset. 'dataset' must be at least MAXNAMELEN characters,
- * and 'relpath' must be at least MAXPATHLEN characters. We also pass a stat64
- * buffer, which we need later to get the object ID.
- */
-static int
-parse_pathname(const char *inpath, char *dataset, char *relpath,
- struct stat64 *statbuf)
-{
- struct statfs sfs;
- const char *rel;
- char fullpath[MAXPATHLEN];
-
- compress_slashes(inpath, fullpath);
-
- if (fullpath[0] != '/') {
- (void) fprintf(stderr, "invalid object '%s': must be full "
- "path\n", fullpath);
- usage();
- return (-1);
- }
-
- if (strlen(fullpath) >= MAXPATHLEN) {
- (void) fprintf(stderr, "invalid object; pathname too long\n");
- return (-1);
- }
-
- if (stat64(fullpath, statbuf) != 0) {
- (void) fprintf(stderr, "cannot open '%s': %s\n",
- fullpath, strerror(errno));
- return (-1);
- }
-
- if (statfs(fullpath, &sfs) == -1) {
- (void) fprintf(stderr, "cannot find mountpoint for '%s': %s\n",
- fullpath, strerror(errno));
- return (-1);
- }
-
- if (strcmp(sfs.f_fstypename, MNTTYPE_ZFS) != 0) {
- (void) fprintf(stderr, "invalid path '%s': not a ZFS "
- "filesystem\n", fullpath);
- return (-1);
- }
-
- if (strncmp(fullpath, sfs.f_mntonname, strlen(sfs.f_mntonname)) != 0) {
- (void) fprintf(stderr, "invalid path '%s': mountpoint "
- "doesn't match path\n", fullpath);
- return (-1);
- }
-
- (void) strcpy(dataset, sfs.f_mntfromname);
-
- rel = fullpath + strlen(sfs.f_mntonname);
- if (rel[0] == '/')
- rel++;
- (void) strcpy(relpath, rel);
-
- return (0);
-}
-
-/*
- * Convert from a (dataset, path) pair into a (objset, object) pair. Note that
- * we grab the object number from the inode number, since looking this up via
- * libzpool is a real pain.
- */
-/* ARGSUSED */
-static int
-object_from_path(const char *dataset, const char *path, struct stat64 *statbuf,
- zinject_record_t *record)
-{
- objset_t *os;
- int err;
-
- /*
- * Before doing any libzpool operations, call sync() to ensure that the
- * on-disk state is consistent with the in-core state.
- */
- sync();
-
- err = dmu_objset_own(dataset, DMU_OST_ZFS, B_TRUE, FTAG, &os);
- if (err != 0) {
- (void) fprintf(stderr, "cannot open dataset '%s': %s\n",
- dataset, strerror(err));
- return (-1);
- }
-
- record->zi_objset = dmu_objset_id(os);
- record->zi_object = statbuf->st_ino;
-
- dmu_objset_disown(os, FTAG);
-
- return (0);
-}
-
-/*
- * Calculate the real range based on the type, level, and range given.
- */
-static int
-calculate_range(const char *dataset, err_type_t type, int level, char *range,
- zinject_record_t *record)
-{
- objset_t *os = NULL;
- dnode_t *dn = NULL;
- int err;
- int ret = -1;
-
- /*
- * Determine the numeric range from the string.
- */
- if (range == NULL) {
- /*
- * If range is unspecified, set the range to [0,-1], which
- * indicates that the whole object should be treated as an
- * error.
- */
- record->zi_start = 0;
- record->zi_end = -1ULL;
- } else {
- char *end;
-
- /* XXX add support for suffixes */
- record->zi_start = strtoull(range, &end, 10);
-
-
- if (*end == '\0')
- record->zi_end = record->zi_start + 1;
- else if (*end == ',')
- record->zi_end = strtoull(end + 1, &end, 10);
-
- if (*end != '\0') {
- (void) fprintf(stderr, "invalid range '%s': must be "
- "a numeric range of the form 'start[,end]'\n",
- range);
- goto out;
- }
- }
-
- switch (type) {
- case TYPE_DATA:
- break;
-
- case TYPE_DNODE:
- /*
- * If this is a request to inject faults into the dnode, then we
- * must translate the current (objset,object) pair into an
- * offset within the metadnode for the objset. Specifying any
- * kind of range with type 'dnode' is illegal.
- */
- if (range != NULL) {
- (void) fprintf(stderr, "range cannot be specified when "
- "type is 'dnode'\n");
- goto out;
- }
-
- record->zi_start = record->zi_object * sizeof (dnode_phys_t);
- record->zi_end = record->zi_start + sizeof (dnode_phys_t);
- record->zi_object = 0;
- break;
- }
-
- /*
- * Get the dnode associated with object, so we can calculate the block
- * size.
- */
- if ((err = dmu_objset_own(dataset, DMU_OST_ANY,
- B_TRUE, FTAG, &os)) != 0) {
- (void) fprintf(stderr, "cannot open dataset '%s': %s\n",
- dataset, strerror(err));
- goto out;
- }
-
- if (record->zi_object == 0) {
- dn = DMU_META_DNODE(os);
- } else {
- err = dnode_hold(os, record->zi_object, FTAG, &dn);
- if (err != 0) {
- (void) fprintf(stderr, "failed to hold dnode "
- "for object %llu\n",
- (u_longlong_t)record->zi_object);
- goto out;
- }
- }
-
-
- ziprintf("data shift: %d\n", (int)dn->dn_datablkshift);
- ziprintf(" ind shift: %d\n", (int)dn->dn_indblkshift);
-
- /*
- * Translate range into block IDs.
- */
- if (record->zi_start != 0 || record->zi_end != -1ULL) {
- record->zi_start >>= dn->dn_datablkshift;
- record->zi_end >>= dn->dn_datablkshift;
- }
-
- /*
- * Check level, and then translate level 0 blkids into ranges
- * appropriate for level of indirection.
- */
- record->zi_level = level;
- if (level > 0) {
- ziprintf("level 0 blkid range: [%llu, %llu]\n",
- record->zi_start, record->zi_end);
-
- if (level >= dn->dn_nlevels) {
- (void) fprintf(stderr, "level %d exceeds max level "
- "of object (%d)\n", level, dn->dn_nlevels - 1);
- goto out;
- }
-
- if (record->zi_start != 0 || record->zi_end != 0) {
- int shift = dn->dn_indblkshift - SPA_BLKPTRSHIFT;
-
- for (; level > 0; level--) {
- record->zi_start >>= shift;
- record->zi_end >>= shift;
- }
- }
- }
-
- ret = 0;
-out:
- if (dn) {
- if (dn != DMU_META_DNODE(os))
- dnode_rele(dn, FTAG);
- }
- if (os)
- dmu_objset_disown(os, FTAG);
-
- return (ret);
-}
-
-int
-translate_record(err_type_t type, const char *object, const char *range,
- int level, zinject_record_t *record, char *poolname, char *dataset)
-{
- char path[MAXPATHLEN];
- char *slash;
- struct stat64 statbuf;
- int ret = -1;
-
- kernel_init(FREAD);
-
- debug = (getenv("ZINJECT_DEBUG") != NULL);
-
- ziprintf("translating: %s\n", object);
-
- if (MOS_TYPE(type)) {
- /*
- * MOS objects are treated specially.
- */
- switch (type) {
- case TYPE_MOS:
- record->zi_type = 0;
- break;
- case TYPE_MOSDIR:
- record->zi_type = DMU_OT_OBJECT_DIRECTORY;
- break;
- case TYPE_METASLAB:
- record->zi_type = DMU_OT_OBJECT_ARRAY;
- break;
- case TYPE_CONFIG:
- record->zi_type = DMU_OT_PACKED_NVLIST;
- break;
- case TYPE_BPOBJ:
- record->zi_type = DMU_OT_BPOBJ;
- break;
- case TYPE_SPACEMAP:
- record->zi_type = DMU_OT_SPACE_MAP;
- break;
- case TYPE_ERRLOG:
- record->zi_type = DMU_OT_ERROR_LOG;
- break;
- }
-
- dataset[0] = '\0';
- (void) strcpy(poolname, object);
- return (0);
- }
-
- /*
- * Convert a full path into a (dataset, file) pair.
- */
- if (parse_pathname(object, dataset, path, &statbuf) != 0)
- goto err;
-
- ziprintf(" dataset: %s\n", dataset);
- ziprintf(" path: %s\n", path);
-
- /*
- * Convert (dataset, file) into (objset, object)
- */
- if (object_from_path(dataset, path, &statbuf, record) != 0)
- goto err;
-
- ziprintf("raw objset: %llu\n", record->zi_objset);
- ziprintf("raw object: %llu\n", record->zi_object);
-
- /*
- * For the given object, calculate the real (type, level, range)
- */
- if (calculate_range(dataset, type, level, (char *)range, record) != 0)
- goto err;
-
- ziprintf(" objset: %llu\n", record->zi_objset);
- ziprintf(" object: %llu\n", record->zi_object);
- if (record->zi_start == 0 &&
- record->zi_end == -1ULL)
- ziprintf(" range: all\n");
- else
- ziprintf(" range: [%llu, %llu]\n", record->zi_start,
- record->zi_end);
-
- /*
- * Copy the pool name
- */
- (void) strcpy(poolname, dataset);
- if ((slash = strchr(poolname, '/')) != NULL)
- *slash = '\0';
-
- ret = 0;
-
-err:
- kernel_fini();
- return (ret);
-}
-
-int
-translate_raw(const char *str, zinject_record_t *record)
-{
- /*
- * A raw bookmark of the form objset:object:level:blkid, where each
- * number is a hexidecimal value.
- */
- if (sscanf(str, "%llx:%llx:%x:%llx", (u_longlong_t *)&record->zi_objset,
- (u_longlong_t *)&record->zi_object, &record->zi_level,
- (u_longlong_t *)&record->zi_start) != 4) {
- (void) fprintf(stderr, "bad raw spec '%s': must be of the form "
- "'objset:object:level:blkid'\n", str);
- return (-1);
- }
-
- record->zi_end = record->zi_start;
-
- return (0);
-}
-
-int
-translate_device(const char *pool, const char *device, err_type_t label_type,
- zinject_record_t *record)
-{
- char *end;
- zpool_handle_t *zhp;
- nvlist_t *tgt;
- boolean_t isspare, iscache;
-
- /*
- * Given a device name or GUID, create an appropriate injection record
- * with zi_guid set.
- */
- if ((zhp = zpool_open(g_zfs, pool)) == NULL)
- return (-1);
-
- record->zi_guid = strtoull(device, &end, 16);
- if (record->zi_guid == 0 || *end != '\0') {
- tgt = zpool_find_vdev(zhp, device, &isspare, &iscache, NULL);
-
- if (tgt == NULL) {
- (void) fprintf(stderr, "cannot find device '%s' in "
- "pool '%s'\n", device, pool);
- return (-1);
- }
-
- verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID,
- &record->zi_guid) == 0);
- }
-
- /*
- * Device faults can take on three different forms:
- * 1). delayed or hanging I/O
- * 2). zfs label faults
- * 3). generic disk faults
- */
- if (record->zi_timer != 0) {
- record->zi_cmd = ZINJECT_DELAY_IO;
- } else if (label_type != TYPE_INVAL) {
- record->zi_cmd = ZINJECT_LABEL_FAULT;
- } else {
- record->zi_cmd = ZINJECT_DEVICE_FAULT;
- }
-
- switch (label_type) {
- case TYPE_LABEL_UBERBLOCK:
- record->zi_start = offsetof(vdev_label_t, vl_uberblock[0]);
- record->zi_end = record->zi_start + VDEV_UBERBLOCK_RING - 1;
- break;
- case TYPE_LABEL_NVLIST:
- record->zi_start = offsetof(vdev_label_t, vl_vdev_phys);
- record->zi_end = record->zi_start + VDEV_PHYS_SIZE - 1;
- break;
- case TYPE_LABEL_PAD1:
- record->zi_start = offsetof(vdev_label_t, vl_pad1);
- record->zi_end = record->zi_start + VDEV_PAD_SIZE - 1;
- break;
- case TYPE_LABEL_PAD2:
- record->zi_start = offsetof(vdev_label_t, vl_be);
- record->zi_end = record->zi_start + VDEV_PAD_SIZE - 1;
- break;
- }
- return (0);
-}