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-rw-r--r--lib/libzpool/util.c383
1 files changed, 0 insertions, 383 deletions
diff --git a/lib/libzpool/util.c b/lib/libzpool/util.c
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--- a/lib/libzpool/util.c
+++ /dev/null
@@ -1,383 +0,0 @@
-// SPDX-License-Identifier: CDDL-1.0
-/*
- * 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 https://opensource.org/licenses/CDDL-1.0.
- * 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 2017 Jason King
- * 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/zfs_refcount.h>
-#include <sys/zfs_ioctl.h>
-#include <sys/tunables.h>
-#include <libzutil.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];
-
- v0 = umem_zalloc(sizeof (*v0), UMEM_NOFAIL);
-
- 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) {
- const char *suffix = "";
- const char *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);
- }
- umem_free(v0, sizeof (*v0));
-
- if (nvlist_lookup_nvlist_array(nv, ctype, &child, &children) != 0)
- return;
-
- for (c = 0; c < children; c++) {
- nvlist_t *cnv = child[c];
- const char *cname = NULL;
- char *tname;
- uint64_t np;
- int len;
- if (nvlist_lookup_string(cnv, ZPOOL_CONFIG_PATH, &cname) &&
- nvlist_lookup_string(cnv, ZPOOL_CONFIG_TYPE, &cname))
- cname = "<unknown>";
- len = strlen(cname) + 2;
- tname = umem_zalloc(len, UMEM_NOFAIL);
- (void) strlcpy(tname, cname, len);
- if (nvlist_lookup_uint64(cnv, ZPOOL_CONFIG_NPARITY, &np) == 0)
- tname[strlen(tname)] = '0' + np;
- show_vdev_stats(tname, ctype, cnv, indent + 2);
- umem_free(tname, len);
- }
-}
-
-void
-show_pool_stats(spa_t *spa)
-{
- nvlist_t *config, *nvroot;
- const char *name;
-
- VERIFY0(spa_get_stats(spa_name(spa), &config, NULL, 0));
-
- VERIFY0(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &nvroot));
- VERIFY0(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, &name));
-
- 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);
-}
-
-/*
- * Common helper for working with libzpool tunables from the command line.
- *
- * Valid inputs:
- *
- * <name> show named tunable and value
- * <name>=<value> set tunable value
- *
- * show show all tunables and values
- * show=<name> show named tunable and value
- * info show info about all tunables
- * info=<name> show info about named tunable
- */
-
-typedef enum { SHOW, INFO, SET } tunable_mode_t;
-
-static int
-list_tunables_cb(const zfs_tunable_t *tunable, void *arg)
-{
- const tunable_mode_t *mode = arg;
-
- static const char *type[] = {
- "int", "uint", "ulong", "u64", "str",
- };
- static const char *perm[] = {
- "rw", "rd",
- };
-
- if (*mode == SHOW) {
- char val[64];
- int err = zfs_tunable_get(tunable, val, sizeof (val));
- if (err == 0)
- printf("%s: %s\n", tunable->zt_name, val);
- else
- printf("%s: [error getting tunable value: %s]\n",
- tunable->zt_name, strerror(err));
- } else {
- printf("%s [%s %s]: %s\n", tunable->zt_name,
- type[tunable->zt_type], perm[tunable->zt_perm],
- tunable->zt_desc);
- }
-
- return (0);
-}
-int
-handle_tunable_option(const char *_arg, boolean_t quiet)
-{
- int err = 0;
- char *arg = strdup(_arg);
- char *k, *v;
-
- v = arg;
- k = strsep(&v, "=");
-
- tunable_mode_t mode;
-
- if (strcmp(k, "show") == 0) {
- mode = SHOW;
- k = v;
- } else if (strcmp(k, "info") == 0) {
- mode = INFO;
- k = v;
- } else if (v == NULL) {
- mode = SHOW;
- } else {
- mode = SET;
- }
-
- if (quiet && mode != SET) {
- err = EINVAL;
- goto out;
- }
-
- if (mode == SET) {
- const zfs_tunable_t *tunable = zfs_tunable_lookup(k);
- if (tunable == NULL) {
- err = ENOENT;
- goto out;
- }
-
- char vold[256], vnew[256];
- if (zfs_tunable_get(tunable, vold, sizeof (vold)) != 0)
- strcpy(vold, "???");
- err = zfs_tunable_set(tunable, v);
- if (err != 0)
- goto out;
- if (zfs_tunable_get(tunable, vnew, sizeof (vnew)) != 0)
- strcpy(vnew, "???");
-
- if (!quiet)
- printf("%s: %s -> %s\n", k, vold, vnew);
- } else if (k != NULL) {
- const zfs_tunable_t *tunable = zfs_tunable_lookup(k);
- if (tunable == NULL) {
- err = ENOENT;
- goto out;
- }
- list_tunables_cb(tunable, &mode);
- } else {
- zfs_tunable_iter(list_tunables_cb, &mode);
- }
-
-out:
- if (!quiet) {
- if (err == ENOENT)
- fprintf(stderr, "no such tunable: %s\n", k);
- else if (err != 0)
- fprintf(stderr, "couldn't set tunable '%s': %s\n",
- k, strerror(err));
- }
-
- free(arg);
- return (err);
-}
-
-static nvlist_t *
-refresh_config(void *unused, nvlist_t *tryconfig)
-{
- (void) unused;
- return (spa_tryimport(tryconfig));
-}
-
-#if defined(__FreeBSD__)
-
-#include <sys/param.h>
-#include <sys/sysctl.h>
-#include <os/freebsd/zfs/sys/zfs_ioctl_compat.h>
-
-static int
-pool_active(void *unused, const char *name, uint64_t guid, boolean_t *isactive)
-{
- (void) unused, (void) guid;
- zfs_iocparm_t zp;
- zfs_cmd_t *zc = NULL;
-#ifdef ZFS_LEGACY_SUPPORT
- zfs_cmd_legacy_t *zcl = NULL;
-#endif
- unsigned long request;
- int ret;
-
- int fd = open(ZFS_DEV, O_RDWR | O_CLOEXEC);
- if (fd < 0)
- return (-1);
-
- /*
- * Use ZFS_IOC_POOL_STATS to check if the pool is active. We want to
- * avoid adding a dependency on libzfs_core solely for this ioctl(),
- * therefore we manually craft the stats command. Note that the command
- * ID is identical between the openzfs and legacy ioctl() formats.
- */
- int ver = ZFS_IOCVER_NONE;
- size_t ver_size = sizeof (ver);
-
- sysctlbyname("vfs.zfs.version.ioctl", &ver, &ver_size, NULL, 0);
-
- switch (ver) {
- case ZFS_IOCVER_OZFS:
- zc = umem_zalloc(sizeof (zfs_cmd_t), UMEM_NOFAIL);
-
- (void) strlcpy(zc->zc_name, name, sizeof (zc->zc_name));
- zp.zfs_cmd = (uint64_t)(uintptr_t)zc;
- zp.zfs_cmd_size = sizeof (zfs_cmd_t);
- zp.zfs_ioctl_version = ZFS_IOCVER_OZFS;
-
- request = _IOWR('Z', ZFS_IOC_POOL_STATS, zfs_iocparm_t);
- ret = ioctl(fd, request, &zp);
-
- free((void *)(uintptr_t)zc->zc_nvlist_dst);
- umem_free(zc, sizeof (zfs_cmd_t));
-
- break;
-#ifdef ZFS_LEGACY_SUPPORT
- case ZFS_IOCVER_LEGACY:
- zcl = umem_zalloc(sizeof (zfs_cmd_legacy_t), UMEM_NOFAIL);
-
- (void) strlcpy(zcl->zc_name, name, sizeof (zcl->zc_name));
- zp.zfs_cmd = (uint64_t)(uintptr_t)zcl;
- zp.zfs_cmd_size = sizeof (zfs_cmd_legacy_t);
- zp.zfs_ioctl_version = ZFS_IOCVER_LEGACY;
-
- request = _IOWR('Z', ZFS_IOC_POOL_STATS, zfs_iocparm_t);
- ret = ioctl(fd, request, &zp);
-
- free((void *)(uintptr_t)zcl->zc_nvlist_dst);
- umem_free(zcl, sizeof (zfs_cmd_legacy_t));
-
- break;
-#endif
- default:
- fprintf(stderr, "unrecognized zfs ioctl version %d", ver);
- exit(1);
- }
-
- (void) close(fd);
-
- *isactive = (ret == 0);
-
- return (0);
-}
-#else
-static int
-pool_active(void *unused, const char *name, uint64_t guid,
- boolean_t *isactive)
-{
- (void) unused, (void) guid;
- int fd = open(ZFS_DEV, O_RDWR | O_CLOEXEC);
- if (fd < 0)
- return (-1);
-
- /*
- * Use ZFS_IOC_POOL_STATS to check if a pool is active.
- */
- zfs_cmd_t *zcp = umem_zalloc(sizeof (zfs_cmd_t), UMEM_NOFAIL);
- (void) strlcpy(zcp->zc_name, name, sizeof (zcp->zc_name));
-
- int ret = ioctl(fd, ZFS_IOC_POOL_STATS, zcp);
-
- free((void *)(uintptr_t)zcp->zc_nvlist_dst);
- umem_free(zcp, sizeof (zfs_cmd_t));
-
- (void) close(fd);
-
- *isactive = (ret == 0);
-
- return (0);
-}
-#endif
-
-pool_config_ops_t libzpool_config_ops = {
- .pco_refresh_config = refresh_config,
- .pco_pool_active = pool_active,
-};
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-08 16:08:30 +0000