* Copyright (c) 2014 Integros [integros.com]
* Copyright (c) 2017, Intel Corporation.
* Copyright (c) 2019 Datto Inc.
+ * Portions Copyright 2010 Robert Milkowski
+ * Copyright (c) 2021, Colm Buckley <colm@tuatha.org>
*/
-/* Portions Copyright 2010 Robert Milkowski */
-
#ifndef _SYS_FS_ZFS_H
-#define _SYS_FS_ZFS_H
+#define _SYS_FS_ZFS_H extern __attribute__((visibility("default")))
#include <sys/time.h>
#include <sys/zio_priority.h>
* combined into masks that can be passed to various functions.
*/
typedef enum {
+ ZFS_TYPE_INVALID = 0,
ZFS_TYPE_FILESYSTEM = (1 << 0),
ZFS_TYPE_SNAPSHOT = (1 << 1),
ZFS_TYPE_VOLUME = (1 << 2),
ZFS_TYPE_POOL = (1 << 3),
- ZFS_TYPE_BOOKMARK = (1 << 4)
+ ZFS_TYPE_BOOKMARK = (1 << 4),
+ ZFS_TYPE_VDEV = (1 << 5),
} zfs_type_t;
/*
typedef enum {
ZPROP_CONT = -2,
ZPROP_INVAL = -1,
+ ZPROP_USERPROP = ZPROP_INVAL,
ZFS_PROP_TYPE = 0,
ZFS_PROP_CREATION,
ZFS_PROP_USED,
ZFS_NUM_USERQUOTA_PROPS
} zfs_userquota_prop_t;
-extern const char *zfs_userquota_prop_prefixes[ZFS_NUM_USERQUOTA_PROPS];
+_SYS_FS_ZFS_H const char *const zfs_userquota_prop_prefixes[
+ ZFS_NUM_USERQUOTA_PROPS];
/*
* Pool properties are identified by these constants and must be added to the
ZPOOL_PROP_CHECKPOINT,
ZPOOL_PROP_LOAD_GUID,
ZPOOL_PROP_AUTOTRIM,
+ ZPOOL_PROP_COMPATIBILITY,
ZPOOL_NUM_PROPS
} zpool_prop_t;
-/* Small enough to not hog a whole line of printout in zpool(1M). */
+/* Small enough to not hog a whole line of printout in zpool(8). */
#define ZPROP_MAX_COMMENT 32
+#define ZPROP_BOOLEAN_NA 2
#define ZPROP_VALUE "value"
#define ZPROP_SOURCE "source"
*/
#define ZFS_WRITTEN_PROP_PREFIX_LEN 8
+/*
+ * VDEV properties are identified by these constants and must be added to the
+ * end of this list to ensure that external consumers are not affected
+ * by the change. If you make any changes to this list, be sure to update
+ * the property table in usr/src/common/zfs/zpool_prop.c.
+ */
+typedef enum {
+ VDEV_PROP_INVAL = -1,
+ VDEV_PROP_USERPROP = VDEV_PROP_INVAL,
+ VDEV_PROP_NAME,
+ VDEV_PROP_CAPACITY,
+ VDEV_PROP_STATE,
+ VDEV_PROP_GUID,
+ VDEV_PROP_ASIZE,
+ VDEV_PROP_PSIZE,
+ VDEV_PROP_ASHIFT,
+ VDEV_PROP_SIZE,
+ VDEV_PROP_FREE,
+ VDEV_PROP_ALLOCATED,
+ VDEV_PROP_COMMENT,
+ VDEV_PROP_EXPANDSZ,
+ VDEV_PROP_FRAGMENTATION,
+ VDEV_PROP_BOOTSIZE,
+ VDEV_PROP_PARITY,
+ VDEV_PROP_PATH,
+ VDEV_PROP_DEVID,
+ VDEV_PROP_PHYS_PATH,
+ VDEV_PROP_ENC_PATH,
+ VDEV_PROP_FRU,
+ VDEV_PROP_PARENT,
+ VDEV_PROP_CHILDREN,
+ VDEV_PROP_NUMCHILDREN,
+ VDEV_PROP_READ_ERRORS,
+ VDEV_PROP_WRITE_ERRORS,
+ VDEV_PROP_CHECKSUM_ERRORS,
+ VDEV_PROP_INITIALIZE_ERRORS,
+ VDEV_PROP_OPS_NULL,
+ VDEV_PROP_OPS_READ,
+ VDEV_PROP_OPS_WRITE,
+ VDEV_PROP_OPS_FREE,
+ VDEV_PROP_OPS_CLAIM,
+ VDEV_PROP_OPS_TRIM,
+ VDEV_PROP_BYTES_NULL,
+ VDEV_PROP_BYTES_READ,
+ VDEV_PROP_BYTES_WRITE,
+ VDEV_PROP_BYTES_FREE,
+ VDEV_PROP_BYTES_CLAIM,
+ VDEV_PROP_BYTES_TRIM,
+ VDEV_PROP_REMOVING,
+ VDEV_PROP_ALLOCATING,
+ VDEV_NUM_PROPS
+} vdev_prop_t;
+
/*
* Dataset property functions shared between libzfs and kernel.
*/
-const char *zfs_prop_default_string(zfs_prop_t);
-uint64_t zfs_prop_default_numeric(zfs_prop_t);
-boolean_t zfs_prop_readonly(zfs_prop_t);
-boolean_t zfs_prop_visible(zfs_prop_t prop);
-boolean_t zfs_prop_inheritable(zfs_prop_t);
-boolean_t zfs_prop_setonce(zfs_prop_t);
-boolean_t zfs_prop_encryption_key_param(zfs_prop_t);
-boolean_t zfs_prop_valid_keylocation(const char *, boolean_t);
-const char *zfs_prop_to_name(zfs_prop_t);
-zfs_prop_t zfs_name_to_prop(const char *);
-boolean_t zfs_prop_user(const char *);
-boolean_t zfs_prop_userquota(const char *);
-boolean_t zfs_prop_written(const char *);
-int zfs_prop_index_to_string(zfs_prop_t, uint64_t, const char **);
-int zfs_prop_string_to_index(zfs_prop_t, const char *, uint64_t *);
-uint64_t zfs_prop_random_value(zfs_prop_t, uint64_t seed);
-boolean_t zfs_prop_valid_for_type(int, zfs_type_t, boolean_t);
+_SYS_FS_ZFS_H const char *zfs_prop_default_string(zfs_prop_t);
+_SYS_FS_ZFS_H uint64_t zfs_prop_default_numeric(zfs_prop_t);
+_SYS_FS_ZFS_H boolean_t zfs_prop_readonly(zfs_prop_t);
+_SYS_FS_ZFS_H boolean_t zfs_prop_visible(zfs_prop_t prop);
+_SYS_FS_ZFS_H boolean_t zfs_prop_inheritable(zfs_prop_t);
+_SYS_FS_ZFS_H boolean_t zfs_prop_setonce(zfs_prop_t);
+_SYS_FS_ZFS_H boolean_t zfs_prop_encryption_key_param(zfs_prop_t);
+_SYS_FS_ZFS_H boolean_t zfs_prop_valid_keylocation(const char *, boolean_t);
+_SYS_FS_ZFS_H const char *zfs_prop_to_name(zfs_prop_t);
+_SYS_FS_ZFS_H zfs_prop_t zfs_name_to_prop(const char *);
+_SYS_FS_ZFS_H boolean_t zfs_prop_user(const char *);
+_SYS_FS_ZFS_H boolean_t zfs_prop_userquota(const char *);
+_SYS_FS_ZFS_H boolean_t zfs_prop_written(const char *);
+_SYS_FS_ZFS_H int zfs_prop_index_to_string(zfs_prop_t, uint64_t, const char **);
+_SYS_FS_ZFS_H int zfs_prop_string_to_index(zfs_prop_t, const char *,
+ uint64_t *);
+_SYS_FS_ZFS_H uint64_t zfs_prop_random_value(zfs_prop_t, uint64_t seed);
+_SYS_FS_ZFS_H boolean_t zfs_prop_valid_for_type(int, zfs_type_t, boolean_t);
/*
* Pool property functions shared between libzfs and kernel.
*/
-zpool_prop_t zpool_name_to_prop(const char *);
-const char *zpool_prop_to_name(zpool_prop_t);
-const char *zpool_prop_default_string(zpool_prop_t);
-uint64_t zpool_prop_default_numeric(zpool_prop_t);
-boolean_t zpool_prop_readonly(zpool_prop_t);
-boolean_t zpool_prop_setonce(zpool_prop_t);
-boolean_t zpool_prop_feature(const char *);
-boolean_t zpool_prop_unsupported(const char *);
-int zpool_prop_index_to_string(zpool_prop_t, uint64_t, const char **);
-int zpool_prop_string_to_index(zpool_prop_t, const char *, uint64_t *);
-uint64_t zpool_prop_random_value(zpool_prop_t, uint64_t seed);
+_SYS_FS_ZFS_H zpool_prop_t zpool_name_to_prop(const char *);
+_SYS_FS_ZFS_H const char *zpool_prop_to_name(zpool_prop_t);
+_SYS_FS_ZFS_H const char *zpool_prop_default_string(zpool_prop_t);
+_SYS_FS_ZFS_H uint64_t zpool_prop_default_numeric(zpool_prop_t);
+_SYS_FS_ZFS_H boolean_t zpool_prop_readonly(zpool_prop_t);
+_SYS_FS_ZFS_H boolean_t zpool_prop_setonce(zpool_prop_t);
+_SYS_FS_ZFS_H boolean_t zpool_prop_feature(const char *);
+_SYS_FS_ZFS_H boolean_t zpool_prop_unsupported(const char *);
+_SYS_FS_ZFS_H int zpool_prop_index_to_string(zpool_prop_t, uint64_t,
+ const char **);
+_SYS_FS_ZFS_H int zpool_prop_string_to_index(zpool_prop_t, const char *,
+ uint64_t *);
+_SYS_FS_ZFS_H uint64_t zpool_prop_random_value(zpool_prop_t, uint64_t seed);
+
+/*
+ * VDEV property functions shared between libzfs and kernel.
+ */
+_SYS_FS_ZFS_H vdev_prop_t vdev_name_to_prop(const char *);
+_SYS_FS_ZFS_H boolean_t vdev_prop_user(const char *name);
+_SYS_FS_ZFS_H const char *vdev_prop_to_name(vdev_prop_t);
+_SYS_FS_ZFS_H const char *vdev_prop_default_string(vdev_prop_t);
+_SYS_FS_ZFS_H uint64_t vdev_prop_default_numeric(vdev_prop_t);
+_SYS_FS_ZFS_H boolean_t vdev_prop_readonly(vdev_prop_t prop);
+_SYS_FS_ZFS_H int vdev_prop_index_to_string(vdev_prop_t, uint64_t,
+ const char **);
+_SYS_FS_ZFS_H int vdev_prop_string_to_index(vdev_prop_t, const char *,
+ uint64_t *);
+_SYS_FS_ZFS_H boolean_t zpool_prop_vdev(const char *name);
+_SYS_FS_ZFS_H uint64_t vdev_prop_random_value(vdev_prop_t prop, uint64_t seed);
/*
* Definitions for the Delegation.
#define ZPOOL_CONFIG_PREV_INDIRECT_VDEV "com.delphix:prev_indirect_vdev"
#define ZPOOL_CONFIG_PATH "path"
#define ZPOOL_CONFIG_DEVID "devid"
+#define ZPOOL_CONFIG_SPARE_ID "spareid"
#define ZPOOL_CONFIG_METASLAB_ARRAY "metaslab_array"
#define ZPOOL_CONFIG_METASLAB_SHIFT "metaslab_shift"
#define ZPOOL_CONFIG_ASHIFT "ashift"
#define ZPOOL_CONFIG_VDEV_ASYNC_W_ACTIVE_QUEUE "vdev_async_w_active_queue"
#define ZPOOL_CONFIG_VDEV_SCRUB_ACTIVE_QUEUE "vdev_async_scrub_active_queue"
#define ZPOOL_CONFIG_VDEV_TRIM_ACTIVE_QUEUE "vdev_async_trim_active_queue"
+#define ZPOOL_CONFIG_VDEV_REBUILD_ACTIVE_QUEUE "vdev_rebuild_active_queue"
/* Queue sizes */
#define ZPOOL_CONFIG_VDEV_SYNC_R_PEND_QUEUE "vdev_sync_r_pend_queue"
#define ZPOOL_CONFIG_VDEV_ASYNC_W_PEND_QUEUE "vdev_async_w_pend_queue"
#define ZPOOL_CONFIG_VDEV_SCRUB_PEND_QUEUE "vdev_async_scrub_pend_queue"
#define ZPOOL_CONFIG_VDEV_TRIM_PEND_QUEUE "vdev_async_trim_pend_queue"
+#define ZPOOL_CONFIG_VDEV_REBUILD_PEND_QUEUE "vdev_rebuild_pend_queue"
/* Latency read/write histogram stats */
#define ZPOOL_CONFIG_VDEV_TOT_R_LAT_HISTO "vdev_tot_r_lat_histo"
#define ZPOOL_CONFIG_VDEV_ASYNC_W_LAT_HISTO "vdev_async_w_lat_histo"
#define ZPOOL_CONFIG_VDEV_SCRUB_LAT_HISTO "vdev_scrub_histo"
#define ZPOOL_CONFIG_VDEV_TRIM_LAT_HISTO "vdev_trim_histo"
+#define ZPOOL_CONFIG_VDEV_REBUILD_LAT_HISTO "vdev_rebuild_histo"
/* Request size histograms */
#define ZPOOL_CONFIG_VDEV_SYNC_IND_R_HISTO "vdev_sync_ind_r_histo"
#define ZPOOL_CONFIG_VDEV_ASYNC_IND_W_HISTO "vdev_async_ind_w_histo"
#define ZPOOL_CONFIG_VDEV_IND_SCRUB_HISTO "vdev_ind_scrub_histo"
#define ZPOOL_CONFIG_VDEV_IND_TRIM_HISTO "vdev_ind_trim_histo"
+#define ZPOOL_CONFIG_VDEV_IND_REBUILD_HISTO "vdev_ind_rebuild_histo"
#define ZPOOL_CONFIG_VDEV_SYNC_AGG_R_HISTO "vdev_sync_agg_r_histo"
#define ZPOOL_CONFIG_VDEV_SYNC_AGG_W_HISTO "vdev_sync_agg_w_histo"
#define ZPOOL_CONFIG_VDEV_ASYNC_AGG_R_HISTO "vdev_async_agg_r_histo"
#define ZPOOL_CONFIG_VDEV_ASYNC_AGG_W_HISTO "vdev_async_agg_w_histo"
#define ZPOOL_CONFIG_VDEV_AGG_SCRUB_HISTO "vdev_agg_scrub_histo"
#define ZPOOL_CONFIG_VDEV_AGG_TRIM_HISTO "vdev_agg_trim_histo"
+#define ZPOOL_CONFIG_VDEV_AGG_REBUILD_HISTO "vdev_agg_rebuild_histo"
/* Number of slow IOs */
#define ZPOOL_CONFIG_VDEV_SLOW_IOS "vdev_slow_ios"
#define ZPOOL_CONFIG_ORIG_GUID "orig_guid"
#define ZPOOL_CONFIG_SPLIT_GUID "split_guid"
#define ZPOOL_CONFIG_SPLIT_LIST "guid_list"
+#define ZPOOL_CONFIG_NONALLOCATING "non_allocating"
#define ZPOOL_CONFIG_REMOVING "removing"
#define ZPOOL_CONFIG_RESILVER_TXG "resilver_txg"
#define ZPOOL_CONFIG_REBUILD_TXG "rebuild_txg"
#define ZPOOL_CONFIG_ALLOCATION_BIAS "alloc_bias" /* not stored on disk */
#define ZPOOL_CONFIG_EXPANSION_TIME "expansion_time" /* not stored */
#define ZPOOL_CONFIG_REBUILD_STATS "org.openzfs:rebuild_stats"
+#define ZPOOL_CONFIG_COMPATIBILITY "compatibility"
/*
* The persistent vdev state is stored as separate values rather than a single
/* Rewind data discovered */
#define ZPOOL_CONFIG_LOAD_TIME "rewind_txg_ts"
+#define ZPOOL_CONFIG_LOAD_META_ERRORS "verify_meta_errors"
#define ZPOOL_CONFIG_LOAD_DATA_ERRORS "verify_data_errors"
#define ZPOOL_CONFIG_REWIND_TIME "seconds_of_rewind"
+/* dRAID configuration */
+#define ZPOOL_CONFIG_DRAID_NDATA "draid_ndata"
+#define ZPOOL_CONFIG_DRAID_NSPARES "draid_nspares"
+#define ZPOOL_CONFIG_DRAID_NGROUPS "draid_ngroups"
+
#define VDEV_TYPE_ROOT "root"
#define VDEV_TYPE_MIRROR "mirror"
#define VDEV_TYPE_REPLACING "replacing"
#define VDEV_TYPE_RAIDZ "raidz"
+#define VDEV_TYPE_DRAID "draid"
+#define VDEV_TYPE_DRAID_SPARE "dspare"
#define VDEV_TYPE_DISK "disk"
#define VDEV_TYPE_FILE "file"
#define VDEV_TYPE_MISSING "missing"
#define VDEV_TYPE_L2CACHE "l2cache"
#define VDEV_TYPE_INDIRECT "indirect"
+#define VDEV_RAIDZ_MAXPARITY 3
+
+#define VDEV_DRAID_MAXPARITY 3
+#define VDEV_DRAID_MIN_CHILDREN 2
+#define VDEV_DRAID_MAX_CHILDREN UINT8_MAX
+
/* VDEV_TOP_ZAP_* are used in top-level vdev ZAP objects. */
#define VDEV_TOP_ZAP_INDIRECT_OBSOLETE_SM \
"com.delphix:indirect_obsolete_sm"
* The location of the pool configuration repository, shared between kernel and
* userland.
*/
+#define ZPOOL_CACHE_BOOT "/boot/zfs/zpool.cache"
#define ZPOOL_CACHE "/etc/zfs/zpool.cache"
+/*
+ * Settings for zpool compatibility features files
+ */
+#define ZPOOL_SYSCONF_COMPAT_D SYSCONFDIR "/zfs/compatibility.d"
+#define ZPOOL_DATA_COMPAT_D PKGDATADIR "/compatibility.d"
+#define ZPOOL_COMPAT_MAXSIZE 16384
+
+/*
+ * Hard-wired compatibility settings
+ */
+#define ZPOOL_COMPAT_LEGACY "legacy"
+#define ZPOOL_COMPAT_OFF "off"
/*
* vdev states are ordered from least to most healthy.
VDEV_AUX_EXTERNAL_PERSIST, /* persistent forced fault */
VDEV_AUX_ACTIVE, /* vdev active on a different host */
VDEV_AUX_CHILDREN_OFFLINE, /* all children are offline */
+ VDEV_AUX_ASHIFT_TOO_BIG, /* vdev's min block size is too large */
} vdev_aux_t;
/*
} vdev_rebuild_stat_t;
/*
- * Errata described by https://zfsonlinux.org/msg/ZFS-8000-ER. The ordering
- * of this enum must be maintained to ensure the errata identifiers map to
- * the correct documentation. New errata may only be appended to the list
- * and must contain corresponding documentation at the above link.
+ * Errata described by https://openzfs.github.io/openzfs-docs/msg/ZFS-8000-ER.
+ * The ordering of this enum must be maintained to ensure the errata identifiers
+ * map to the correct documentation. New errata may only be appended to the
+ * list and must contain corresponding documentation at the above link.
*/
typedef enum zpool_errata {
ZPOOL_ERRATA_NONE,
uint64_t vs_trim_state; /* vdev_trim_state_t */
uint64_t vs_trim_action_time; /* time_t */
uint64_t vs_rebuild_processed; /* bytes rebuilt */
+ uint64_t vs_configured_ashift; /* TLV vdev_ashift */
+ uint64_t vs_logical_ashift; /* vdev_logical_ashift */
+ uint64_t vs_physical_ashift; /* vdev_physical_ashift */
+ uint64_t vs_noalloc; /* allocations halted? */
+ uint64_t vs_pspace; /* physical capacity */
} vdev_stat_t;
+#define VDEV_STAT_VALID(field, uint64_t_field_count) \
+((uint64_t_field_count * sizeof (uint64_t)) >= \
+ (offsetof(vdev_stat_t, field) + sizeof (((vdev_stat_t *)NULL)->field)))
+
/*
* Extended stats
*
#define ZVOL_DRIVER "zvol"
#define ZFS_DRIVER "zfs"
#define ZFS_DEV "/dev/zfs"
-#define ZFS_SHARETAB "/etc/dfs/sharetab"
+#define ZFS_DEVDIR "/dev"
#define ZFS_SUPER_MAGIC 0x2fc12fc1
+/* general zvol path */
+#define ZVOL_DIR "/dev/zvol/"
+
#define ZVOL_MAJOR 230
#define ZVOL_MINOR_BITS 4
#define ZVOL_MINOR_MASK ((1U << ZVOL_MINOR_BITS) - 1)
#define ZVOL_DEV_NAME "zd"
#define ZVOL_PROP_NAME "name"
-#define ZVOL_DEFAULT_BLOCKSIZE 8192
+#define ZVOL_DEFAULT_BLOCKSIZE 16384
typedef enum {
VDEV_INITIALIZE_NONE,
ZFS_IOC_GET_BOOKMARK_PROPS, /* 0x5a52 */
ZFS_IOC_WAIT, /* 0x5a53 */
ZFS_IOC_WAIT_FS, /* 0x5a54 */
+ ZFS_IOC_VDEV_GET_PROPS, /* 0x5a55 */
+ ZFS_IOC_VDEV_SET_PROPS, /* 0x5a56 */
/*
* Per-platform (Optional) - 8/128 numbers reserved.
ZFS_IOC_EVENTS_SEEK, /* 0x83 (Linux) */
ZFS_IOC_NEXTBOOT, /* 0x84 (FreeBSD) */
ZFS_IOC_JAIL, /* 0x85 (FreeBSD) */
+ ZFS_IOC_USERNS_ATTACH = ZFS_IOC_JAIL, /* 0x85 (Linux) */
ZFS_IOC_UNJAIL, /* 0x86 (FreeBSD) */
- ZFS_IOC_SET_BOOTENV, /* 0x87 (Linux) */
- ZFS_IOC_GET_BOOTENV, /* 0x88 (Linux) */
+ ZFS_IOC_USERNS_DETACH = ZFS_IOC_UNJAIL, /* 0x86 (Linux) */
+ ZFS_IOC_SET_BOOTENV, /* 0x87 */
+ ZFS_IOC_GET_BOOTENV, /* 0x88 */
ZFS_IOC_LAST
} zfs_ioc_t;
*/
#define BLKZNAME _IOR(0x12, 125, char[ZFS_MAX_DATASET_NAME_LEN])
+#ifdef __linux__
+
+/*
+ * IOCTLs to update and retrieve additional file level attributes on
+ * Linux.
+ */
+#define ZFS_IOC_GETDOSFLAGS _IOR(0x83, 1, uint64_t)
+#define ZFS_IOC_SETDOSFLAGS _IOW(0x83, 2, uint64_t)
+
+/*
+ * Additional file level attributes, that are stored
+ * in the upper half of z_pflags
+ */
+#define ZFS_READONLY 0x0000000100000000ull
+#define ZFS_HIDDEN 0x0000000200000000ull
+#define ZFS_SYSTEM 0x0000000400000000ull
+#define ZFS_ARCHIVE 0x0000000800000000ull
+#define ZFS_IMMUTABLE 0x0000001000000000ull
+#define ZFS_NOUNLINK 0x0000002000000000ull
+#define ZFS_APPENDONLY 0x0000004000000000ull
+#define ZFS_NODUMP 0x0000008000000000ull
+#define ZFS_OPAQUE 0x0000010000000000ull
+#define ZFS_AV_QUARANTINED 0x0000020000000000ull
+#define ZFS_AV_MODIFIED 0x0000040000000000ull
+#define ZFS_REPARSE 0x0000080000000000ull
+#define ZFS_OFFLINE 0x0000100000000000ull
+#define ZFS_SPARSE 0x0000200000000000ull
+
+#define ZFS_DOS_FL_USER_VISIBLE (ZFS_IMMUTABLE | ZFS_APPENDONLY | \
+ ZFS_NOUNLINK | ZFS_ARCHIVE | ZFS_NODUMP | ZFS_SYSTEM | \
+ ZFS_HIDDEN | ZFS_READONLY | ZFS_REPARSE | ZFS_OFFLINE | \
+ ZFS_SPARSE)
+
+#endif
+
/*
* ZFS-specific error codes used for returning descriptive errors
* to the userland through zfs ioctls.
ZFS_ERR_STREAM_LARGE_BLOCK_MISMATCH,
ZFS_ERR_RESILVER_IN_PROGRESS,
ZFS_ERR_REBUILD_IN_PROGRESS,
+ ZFS_ERR_BADPROP,
+ ZFS_ERR_VDEV_NOTSUP,
+ ZFS_ERR_NOT_USER_NAMESPACE,
} zfs_errno_t;
/*
#define ZPOOL_HIST_IOCTL "ioctl"
#define ZPOOL_HIST_INPUT_NVL "in_nvl"
#define ZPOOL_HIST_OUTPUT_NVL "out_nvl"
+#define ZPOOL_HIST_OUTPUT_SIZE "out_size"
#define ZPOOL_HIST_DSNAME "dsname"
#define ZPOOL_HIST_DSID "dsid"
#define ZPOOL_HIST_ERRNO "errno"
+#define ZPOOL_HIST_ELAPSED_NS "elapsed_ns"
/*
* Special nvlist name that will not have its args recorded in the pool's
#define ZPOOL_WAIT_TAG "wait_tag"
#define ZPOOL_WAIT_WAITED "wait_waited"
+/*
+ * The following are names used when invoking ZFS_IOC_VDEV_GET_PROP.
+ */
+#define ZPOOL_VDEV_PROPS_GET_VDEV "vdevprops_get_vdev"
+#define ZPOOL_VDEV_PROPS_GET_PROPS "vdevprops_get_props"
+
+/*
+ * The following are names used when invoking ZFS_IOC_VDEV_SET_PROP.
+ */
+#define ZPOOL_VDEV_PROPS_SET_VDEV "vdevprops_set_vdev"
+#define ZPOOL_VDEV_PROPS_SET_PROPS "vdevprops_set_props"
+
/*
* The following are names used when invoking ZFS_IOC_WAIT_FS.
*/
#define ZFS_EV_HIST_DSID "history_dsid"
#define ZFS_EV_RESILVER_TYPE "resilver_type"
+/*
+ * We currently support block sizes from 512 bytes to 16MB.
+ * The benefits of larger blocks, and thus larger IO, need to be weighed
+ * against the cost of COWing a giant block to modify one byte, and the
+ * large latency of reading or writing a large block.
+ *
+ * Note that although blocks up to 16MB are supported, the recordsize
+ * property can not be set larger than zfs_max_recordsize (default 1MB).
+ * See the comment near zfs_max_recordsize in dsl_dataset.c for details.
+ *
+ * Note that although the LSIZE field of the blkptr_t can store sizes up
+ * to 32MB, the dnode's dn_datablkszsec can only store sizes up to
+ * 32MB - 512 bytes. Therefore, we limit SPA_MAXBLOCKSIZE to 16MB.
+ */
+#define SPA_MINBLOCKSHIFT 9
+#define SPA_OLD_MAXBLOCKSHIFT 17
+#define SPA_MAXBLOCKSHIFT 24
+#define SPA_MINBLOCKSIZE (1ULL << SPA_MINBLOCKSHIFT)
+#define SPA_OLD_MAXBLOCKSIZE (1ULL << SPA_OLD_MAXBLOCKSHIFT)
+#define SPA_MAXBLOCKSIZE (1ULL << SPA_MAXBLOCKSHIFT)
+
+/* supported encryption algorithms */
+enum zio_encrypt {
+ ZIO_CRYPT_INHERIT = 0,
+ ZIO_CRYPT_ON,
+ ZIO_CRYPT_OFF,
+ ZIO_CRYPT_AES_128_CCM,
+ ZIO_CRYPT_AES_192_CCM,
+ ZIO_CRYPT_AES_256_CCM,
+ ZIO_CRYPT_AES_128_GCM,
+ ZIO_CRYPT_AES_192_GCM,
+ ZIO_CRYPT_AES_256_GCM,
+ ZIO_CRYPT_FUNCTIONS
+};
+
+#define ZIO_CRYPT_ON_VALUE ZIO_CRYPT_AES_256_GCM
+#define ZIO_CRYPT_DEFAULT ZIO_CRYPT_OFF
+
+/*
+ * xattr namespace prefixes. These are forbidden in xattr names.
+ *
+ * For cross-platform compatibility, xattrs in the user namespace should not be
+ * prefixed with the namespace name, but for backwards compatibility with older
+ * ZFS on Linux versions we do prefix the namespace.
+ */
+#define ZFS_XA_NS_FREEBSD_PREFIX "freebsd:"
+#define ZFS_XA_NS_FREEBSD_PREFIX_LEN strlen("freebsd:")
+#define ZFS_XA_NS_LINUX_SECURITY_PREFIX "security."
+#define ZFS_XA_NS_LINUX_SECURITY_PREFIX_LEN strlen("security.")
+#define ZFS_XA_NS_LINUX_SYSTEM_PREFIX "system."
+#define ZFS_XA_NS_LINUX_SYSTEM_PREFIX_LEN strlen("system.")
+#define ZFS_XA_NS_LINUX_TRUSTED_PREFIX "trusted."
+#define ZFS_XA_NS_LINUX_TRUSTED_PREFIX_LEN strlen("trusted.")
+#define ZFS_XA_NS_LINUX_USER_PREFIX "user."
+#define ZFS_XA_NS_LINUX_USER_PREFIX_LEN strlen("user.")
+
+#define ZFS_XA_NS_PREFIX_MATCH(ns, name) \
+ (strncmp(name, ZFS_XA_NS_##ns##_PREFIX, \
+ ZFS_XA_NS_##ns##_PREFIX_LEN) == 0)
+
+#define ZFS_XA_NS_PREFIX_FORBIDDEN(name) \
+ (ZFS_XA_NS_PREFIX_MATCH(FREEBSD, name) || \
+ ZFS_XA_NS_PREFIX_MATCH(LINUX_SECURITY, name) || \
+ ZFS_XA_NS_PREFIX_MATCH(LINUX_SYSTEM, name) || \
+ ZFS_XA_NS_PREFIX_MATCH(LINUX_TRUSTED, name) || \
+ ZFS_XA_NS_PREFIX_MATCH(LINUX_USER, name))
+
#ifdef __cplusplus
}
#endif
projects / mirror_zfs.git / blobdiff