/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2011, 2015 by Delphix. All rights reserved.
* Copyright (c) 2012, Joyent, Inc. All rights reserved.
* Copyright (c) 2013 Steven Hartland. All rights reserved.
- * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
+ * Copyright (c) 2016, Intel Corporation.
+ * Copyright 2016 Nexenta Systems, Inc.
+ * Copyright (c) 2017 Datto Inc.
*/
#ifndef _LIBZFS_H
/*
* Miscellaneous ZFS constants
*/
-#define ZFS_MAXNAMELEN MAXNAMELEN
-#define ZPOOL_MAXNAMELEN MAXNAMELEN
#define ZFS_MAXPROPLEN MAXPATHLEN
#define ZPOOL_MAXPROPLEN MAXPATHLEN
*/
#define DISK_ROOT "/dev"
#define UDISK_ROOT "/dev/disk"
+#define ZVOL_ROOT "/dev/zvol"
/*
* Default wait time for a device name to be created.
*/
#define DISK_LABEL_WAIT (30 * 1000) /* 30 seconds */
-#define DEFAULT_IMPORT_PATH_SIZE 7
+#define IMPORT_ORDER_PREFERRED_1 1
+#define IMPORT_ORDER_PREFERRED_2 2
+#define IMPORT_ORDER_SCAN_OFFSET 10
+#define IMPORT_ORDER_DEFAULT 100
+#define DEFAULT_IMPORT_PATH_SIZE 9
extern char *zpool_default_import_path[DEFAULT_IMPORT_PATH_SIZE];
/*
EZFS_DIFF, /* general failure of zfs diff */
EZFS_DIFFDATA, /* bad zfs diff data */
EZFS_POOLREADONLY, /* pool is in read-only mode */
+ EZFS_SCRUB_PAUSED, /* scrub currently paused */
+ EZFS_ACTIVE_POOL, /* pool is imported on a different system */
EZFS_UNKNOWN
} zfs_error_t;
*/
typedef int (*zpool_iter_f)(zpool_handle_t *, void *);
extern int zpool_iter(libzfs_handle_t *, zpool_iter_f, void *);
+extern boolean_t zpool_skip_pool(const char *);
/*
* Functions to create and destroy pools
/*
* Functions to manipulate pool and vdev state
*/
-extern int zpool_scan(zpool_handle_t *, pool_scan_func_t);
+extern int zpool_scan(zpool_handle_t *, pool_scan_func_t, pool_scrub_cmd_t);
extern int zpool_clear(zpool_handle_t *, const char *, nvlist_t *);
extern int zpool_reguid(zpool_handle_t *);
extern int zpool_reopen(zpool_handle_t *);
+extern int zpool_sync_one(zpool_handle_t *, void *);
+
extern int zpool_vdev_online(zpool_handle_t *, const char *, int,
vdev_state_t *);
extern int zpool_vdev_offline(zpool_handle_t *, const char *, boolean_t);
boolean_t *, boolean_t *, boolean_t *);
extern int zpool_label_disk_wait(char *, int);
extern int zpool_label_disk(libzfs_handle_t *, zpool_handle_t *, char *);
+extern uint64_t zpool_vdev_path_to_guid(zpool_handle_t *zhp, const char *path);
+
+int zfs_dev_is_dm(char *dev_name);
+int zfs_dev_is_whole_disk(char *dev_name);
+char *zfs_get_underlying_path(char *dev_name);
+char *zfs_get_enclosure_sysfs_path(char *dev_name);
/*
* Functions to manage pool properties
*/
extern int zpool_set_prop(zpool_handle_t *, const char *, const char *);
extern int zpool_get_prop(zpool_handle_t *, zpool_prop_t, char *,
- size_t proplen, zprop_source_t *);
-extern int zpool_get_prop_literal(zpool_handle_t *, zpool_prop_t, char *,
size_t proplen, zprop_source_t *, boolean_t literal);
extern uint64_t zpool_get_prop_int(zpool_handle_t *, zpool_prop_t,
zprop_source_t *);
ZPOOL_STATUS_FAILING_DEV, /* device experiencing errors */
ZPOOL_STATUS_VERSION_NEWER, /* newer on-disk version */
ZPOOL_STATUS_HOSTID_MISMATCH, /* last accessed by another system */
+ ZPOOL_STATUS_HOSTID_ACTIVE, /* currently active on another system */
+ ZPOOL_STATUS_HOSTID_REQUIRED, /* multihost=on and hostid=0 */
ZPOOL_STATUS_IO_FAILURE_WAIT, /* failed I/O, failmode 'wait' */
ZPOOL_STATUS_IO_FAILURE_CONTINUE, /* failed I/O, failmode 'continue' */
ZPOOL_STATUS_BAD_LOG, /* cannot read log chain(s) */
ZPOOL_STATUS_VERSION_OLDER, /* older legacy on-disk version */
ZPOOL_STATUS_FEAT_DISABLED, /* supported features are disabled */
ZPOOL_STATUS_RESILVERING, /* device being resilvered */
- ZPOOL_STATUS_OFFLINE_DEV, /* device online */
+ ZPOOL_STATUS_OFFLINE_DEV, /* device offline */
ZPOOL_STATUS_REMOVED_DEV, /* removed device */
/*
int can_be_active : 1; /* can the pool be active? */
int unique : 1; /* does 'poolname' already exist? */
int exists : 1; /* set on return if pool already exists */
+ int scan : 1; /* prefer scanning to libblkid cache */
} importargs_t;
extern nvlist_t *zpool_search_import(libzfs_handle_t *, importargs_t *);
+extern int zpool_tryimport(libzfs_handle_t *hdl, char *target,
+ nvlist_t **configp, importargs_t *args);
/* legacy pool search routines */
extern nvlist_t *zpool_find_import(libzfs_handle_t *, int, char **);
extern zfs_type_t zfs_get_type(const zfs_handle_t *);
extern const char *zfs_get_name(const zfs_handle_t *);
extern zpool_handle_t *zfs_get_pool_handle(const zfs_handle_t *);
+extern const char *zfs_get_pool_name(const zfs_handle_t *);
/*
* Property management functions. Some functions are shared with the kernel,
extern boolean_t zfs_prop_align_right(zfs_prop_t);
extern nvlist_t *zfs_valid_proplist(libzfs_handle_t *, zfs_type_t,
- nvlist_t *, uint64_t, zfs_handle_t *, const char *);
+ nvlist_t *, uint64_t, zfs_handle_t *, zpool_handle_t *, const char *);
extern const char *zfs_prop_to_name(zfs_prop_t);
extern int zfs_prop_set(zfs_handle_t *, const char *, const char *);
+extern int zfs_prop_set_list(zfs_handle_t *, nvlist_t *);
extern int zfs_prop_get(zfs_handle_t *, zfs_prop_t, char *, size_t,
zprop_source_t *, char *, size_t, boolean_t);
extern int zfs_prop_get_recvd(zfs_handle_t *, const char *, char *, size_t,
/* WRITE_EMBEDDED records of type DATA are permitted */
boolean_t embed_data;
+
+ /* compressed WRITE records are permitted */
+ boolean_t compress;
} sendflags_t;
typedef boolean_t (snapfilter_cb_t)(zfs_handle_t *, void *);
extern int zfs_send(zfs_handle_t *, const char *, const char *,
sendflags_t *, int, snapfilter_cb_t, void *, nvlist_t **);
extern int zfs_send_one(zfs_handle_t *, const char *, int, enum lzc_send_flags);
+extern int zfs_send_resume(libzfs_handle_t *, sendflags_t *, int outfd,
+ const char *);
+extern nvlist_t *zfs_send_resume_token_to_nvlist(libzfs_handle_t *hdl,
+ const char *token);
extern int zfs_promote(zfs_handle_t *);
extern int zfs_hold(zfs_handle_t *, const char *, const char *,
/* set "canmount=off" on all modified filesystems */
boolean_t canmountoff;
+ /*
+ * Mark the file systems as "resumable" and do not destroy them if the
+ * receive is interrupted
+ */
+ boolean_t resumable;
+
/* byteswap flag is used internally; callers need not specify */
boolean_t byteswap;
boolean_t nomount;
} recvflags_t;
-extern int zfs_receive(libzfs_handle_t *, const char *, recvflags_t *,
- int, avl_tree_t *);
+extern int zfs_receive(libzfs_handle_t *, const char *, nvlist_t *,
+ recvflags_t *, int, avl_tree_t *);
typedef enum diff_flags {
ZFS_DIFF_PARSEABLE = 0x1,
extern int zfs_append_partition(char *path, size_t max_len);
extern int zfs_resolve_shortname(const char *name, char *path, size_t pathlen);
extern int zfs_strcmp_pathname(char *name, char *cmp_name, int wholedisk);
+extern int zfs_path_order(char *path, int *order);
/*
* Mount support functions.
extern int zfs_unshareall_nfs(zfs_handle_t *);
extern int zfs_unshareall_smb(zfs_handle_t *);
extern int zfs_unshareall_bypath(zfs_handle_t *, const char *);
+extern int zfs_unshareall_bytype(zfs_handle_t *, const char *, const char *);
extern int zfs_unshareall(zfs_handle_t *);
extern int zfs_deleg_share_nfs(libzfs_handle_t *, char *, char *, char *,
void *, void *, int, zfs_share_op_t);
+/*
+ * 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
+};
+
/*
* Utility function to convert a number to a human-readable form.
*/
extern void zfs_nicenum(uint64_t, char *, size_t);
+extern void zfs_nicenum_format(uint64_t num, char *buf, size_t buflen,
+ enum zfs_nicenum_format type);
+
+
+extern void zfs_nicetime(uint64_t, char *, size_t);
+extern void zfs_nicebytes(uint64_t, char *, size_t);
extern int zfs_nicestrtonum(libzfs_handle_t *, const char *, uint64_t *);
/*
*/
#define STDOUT_VERBOSE 0x01
#define STDERR_VERBOSE 0x02
+#define NO_DEFAULT_PATH 0x04 /* Don't use $PATH to lookup the command */
int libzfs_run_process(const char *, char **, int flags);
+int libzfs_run_process_get_stdout(const char *path, char *argv[], char *env[],
+ char **lines[], int *lines_cnt);
+int libzfs_run_process_get_stdout_nopath(const char *path, char *argv[],
+ char *env[], char **lines[], int *lines_cnt);
+
+void libzfs_free_str_array(char **strs, int count);
+
+int libzfs_envvar_is_set(char *envvar);
/*
* Given a device or file, determine if it is part of a pool.
extern boolean_t libzfs_fru_notself(libzfs_handle_t *, const char *);
extern int zpool_fru_set(zpool_handle_t *, uint64_t, const char *);
+/*
+ * Support for Linux libudev derived persistent device strings
+ */
+extern boolean_t is_mpath_whole_disk(const char *);
+extern void update_vdev_config_dev_strs(nvlist_t *);
+extern char *zfs_strip_partition(char *);
+extern char *zfs_strip_partition_path(char *);
+
+#ifdef HAVE_LIBUDEV
+struct udev_device;
+
+extern boolean_t udev_is_mpath(struct udev_device *dev);
+extern int zfs_device_get_devid(struct udev_device *, char *, size_t);
+extern int zfs_device_get_physical(struct udev_device *, char *, size_t);
+#endif
+
#ifdef __cplusplus
}
#endif
projects / mirror_ubuntu-bionic-kernel.git / blobdiff