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Diffstat (limited to 'usr/src/lib/libzutil/common/libzutil.h')
| -rw-r--r-- | usr/src/lib/libzutil/common/libzutil.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/usr/src/lib/libzutil/common/libzutil.h b/usr/src/lib/libzutil/common/libzutil.h new file mode 100644 index 0000000000..37ab9ee125 --- /dev/null +++ b/usr/src/lib/libzutil/common/libzutil.h @@ -0,0 +1,122 @@ +/* + * 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) 2018 by Delphix. All rights reserved. + * Copyright 2020 Joyent, Inc. + */ + +#ifndef _LIBZUTIL_H +#define _LIBZUTIL_H + +#include <sys/nvpair.h> +#include <sys/fs/zfs.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Default wait time for a device name to be created. + */ +#define DISK_LABEL_WAIT (30 * 1000) /* 30 seconds */ + + +/* + * Pool Config Operations + * + * These are specific to the library libzfs or libzpool instance. + */ +typedef nvlist_t *refresh_config_func_t(void *, nvlist_t *); + +typedef int pool_active_func_t(void *, const char *, uint64_t, boolean_t *); + +typedef struct pool_config_ops { + refresh_config_func_t *pco_refresh_config; + pool_active_func_t *pco_pool_active; +} pool_config_ops_t; + +/* + * An instance of pool_config_ops_t is expected in the caller's binary. + */ +extern const pool_config_ops_t libzfs_config_ops; +extern const pool_config_ops_t libzpool_config_ops; + +typedef struct importargs { + char **path; /* a list of paths to search */ + int paths; /* number of paths to search */ + const char *poolname; /* name of a pool to find */ + uint64_t guid; /* guid of a pool to find */ + const char *cachefile; /* cachefile to use for import */ + boolean_t can_be_active; /* can the pool be active? */ + boolean_t scan; /* prefer scanning to libblkid cache */ + nvlist_t *policy; /* load policy (max txg, rewind, etc.) */ +} importargs_t; + +extern nvlist_t *zpool_search_import(void *, importargs_t *, + const pool_config_ops_t *); +extern int zpool_find_config(void *, const char *, nvlist_t **, importargs_t *, + const pool_config_ops_t *); + +extern int zpool_read_label(int, nvlist_t **, int *); + +extern boolean_t zfs_isnumber(const char *); + +/* + * Formats for iostat numbers. Examples: "12K", "30ms", "4B", "2321234", "-". + * + * ZFS_NICENUM_1024: Print kilo, mega, tera, peta, exa.. + * ZFS_NICENUM_BYTES: Print single bytes ("13B"), kilo, mega, tera... + * ZFS_NICENUM_TIME: Print nanosecs, microsecs, millisecs, seconds... + * ZFS_NICENUM_RAW: Print the raw number without any formatting + * ZFS_NICENUM_RAWTIME: Same as RAW, but print dashes ('-') for zero. + */ +enum zfs_nicenum_format { + ZFS_NICENUM_1024 = 0, + ZFS_NICENUM_BYTES = 1, + ZFS_NICENUM_TIME = 2, + ZFS_NICENUM_RAW = 3, + ZFS_NICENUM_RAWTIME = 4 +}; + +/* + * Convert a number to a human-readable form. + */ +extern void zfs_nicebytes(uint64_t, char *, size_t); +extern void zfs_nicenum(uint64_t, char *, size_t); +extern void zfs_nicenum_format(uint64_t, char *, size_t, + enum zfs_nicenum_format); +extern void zfs_nicetime(uint64_t, char *, size_t); + +#define nicenum(num, buf, size) zfs_nicenum(num, buf, size) + +extern void zpool_dump_ddt(const ddt_stat_t *, const ddt_histogram_t *); +extern int zpool_history_unpack(char *, uint64_t, uint64_t *, nvlist_t ***, + uint_t *); + +/* Part of SPL in OpenZFS */ +extern ulong_t get_system_hostid(void); + +#ifdef __cplusplus +} +#endif + +#endif /* _LIBZUTIL_H */ |