/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2012 by Delphix. All rights reserved.
+ * Copyright (c) 2011, 2018 by Delphix. All rights reserved.
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
- * Copyright (c) 2012, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2013, 2017 Joyent, Inc. All rights reserved.
+ * Copyright (c) 2014 Integros [integros.com]
+ * Copyright (c) 2017, Intel Corporation.
+ * Copyright (c) 2019 Datto Inc.
*/
/* Portions Copyright 2010 Robert Milkowski */
#define _SYS_FS_ZFS_H
#include <sys/time.h>
+#include <sys/zio_priority.h>
#ifdef __cplusplus
extern "C" {
* combined into masks that can be passed to various functions.
*/
typedef enum {
- ZFS_TYPE_FILESYSTEM = 0x1,
- ZFS_TYPE_SNAPSHOT = 0x2,
- ZFS_TYPE_VOLUME = 0x4,
- ZFS_TYPE_POOL = 0x8
+ 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_t;
+/*
+ * NB: lzc_dataset_type should be updated whenever a new objset type is added,
+ * if it represents a real type of a dataset that can be created from userland.
+ */
typedef enum dmu_objset_type {
DMU_OST_NONE,
DMU_OST_META,
#define ZFS_TYPE_DATASET \
(ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME | ZFS_TYPE_SNAPSHOT)
+/*
+ * All of these include the terminating NUL byte.
+ */
#define ZAP_MAXNAMELEN 256
#define ZAP_MAXVALUELEN (1024 * 8)
#define ZAP_OLDMAXVALUELEN 1024
+#define ZFS_MAX_DATASET_NAME_LEN 256
/*
* Dataset properties are identified by these constants and must be added to
* the property table in module/zcommon/zfs_prop.c.
*/
typedef enum {
- ZFS_PROP_TYPE,
+ ZPROP_CONT = -2,
+ ZPROP_INVAL = -1,
+ ZFS_PROP_TYPE = 0,
ZFS_PROP_CREATION,
ZFS_PROP_USED,
ZFS_PROP_AVAILABLE,
ZFS_PROP_SNAPDIR,
ZFS_PROP_PRIVATE, /* not exposed to user, temporary */
ZFS_PROP_ACLINHERIT,
- ZFS_PROP_CREATETXG, /* not exposed to the user */
+ ZFS_PROP_CREATETXG,
ZFS_PROP_NAME, /* not exposed to the user */
ZFS_PROP_CANMOUNT,
ZFS_PROP_ISCSIOPTIONS, /* not exposed to the user */
ZFS_PROP_USERREFS,
ZFS_PROP_LOGBIAS,
ZFS_PROP_UNIQUE, /* not exposed to the user */
- ZFS_PROP_OBJSETID, /* not exposed to the user */
+ ZFS_PROP_OBJSETID,
ZFS_PROP_DEDUP,
ZFS_PROP_MLSLABEL,
ZFS_PROP_SYNC,
+ ZFS_PROP_DNODESIZE,
ZFS_PROP_REFRATIO,
ZFS_PROP_WRITTEN,
ZFS_PROP_CLONES,
ZFS_PROP_LOGICALUSED,
ZFS_PROP_LOGICALREFERENCED,
+ ZFS_PROP_INCONSISTENT, /* not exposed to the user */
+ ZFS_PROP_VOLMODE,
+ ZFS_PROP_FILESYSTEM_LIMIT,
+ ZFS_PROP_SNAPSHOT_LIMIT,
+ ZFS_PROP_FILESYSTEM_COUNT,
+ ZFS_PROP_SNAPSHOT_COUNT,
ZFS_PROP_SNAPDEV,
ZFS_PROP_ACLTYPE,
+ ZFS_PROP_SELINUX_CONTEXT,
+ ZFS_PROP_SELINUX_FSCONTEXT,
+ ZFS_PROP_SELINUX_DEFCONTEXT,
+ ZFS_PROP_SELINUX_ROOTCONTEXT,
+ ZFS_PROP_RELATIME,
+ ZFS_PROP_REDUNDANT_METADATA,
+ ZFS_PROP_OVERLAY,
+ ZFS_PROP_PREV_SNAP,
+ ZFS_PROP_RECEIVE_RESUME_TOKEN,
+ ZFS_PROP_ENCRYPTION,
+ ZFS_PROP_KEYLOCATION,
+ ZFS_PROP_KEYFORMAT,
+ ZFS_PROP_PBKDF2_SALT,
+ ZFS_PROP_PBKDF2_ITERS,
+ ZFS_PROP_ENCRYPTION_ROOT,
+ ZFS_PROP_KEY_GUID,
+ ZFS_PROP_KEYSTATUS,
+ ZFS_PROP_REMAPTXG, /* not exposed to the user */
+ ZFS_PROP_SPECIAL_SMALL_BLOCKS,
+ ZFS_PROP_IVSET_GUID, /* not exposed to the user */
ZFS_NUM_PROPS
} zfs_prop_t;
ZFS_PROP_USERQUOTA,
ZFS_PROP_GROUPUSED,
ZFS_PROP_GROUPQUOTA,
+ ZFS_PROP_USEROBJUSED,
+ ZFS_PROP_USEROBJQUOTA,
+ ZFS_PROP_GROUPOBJUSED,
+ ZFS_PROP_GROUPOBJQUOTA,
+ ZFS_PROP_PROJECTUSED,
+ ZFS_PROP_PROJECTQUOTA,
+ ZFS_PROP_PROJECTOBJUSED,
+ ZFS_PROP_PROJECTOBJQUOTA,
ZFS_NUM_USERQUOTA_PROPS
} zfs_userquota_prop_t;
* the property table in module/zcommon/zpool_prop.c.
*/
typedef enum {
+ ZPOOL_PROP_INVAL = -1,
ZPOOL_PROP_NAME,
ZPOOL_PROP_SIZE,
ZPOOL_PROP_CAPACITY,
ZPOOL_PROP_COMMENT,
ZPOOL_PROP_EXPANDSZ,
ZPOOL_PROP_FREEING,
+ ZPOOL_PROP_FRAGMENTATION,
+ ZPOOL_PROP_LEAKED,
+ ZPOOL_PROP_MAXBLOCKSIZE,
+ ZPOOL_PROP_TNAME,
+ ZPOOL_PROP_MAXDNODESIZE,
+ ZPOOL_PROP_MULTIHOST,
+ ZPOOL_PROP_CHECKPOINT,
+ ZPOOL_PROP_LOAD_GUID,
+ ZPOOL_PROP_AUTOTRIM,
ZPOOL_NUM_PROPS
} zpool_prop_t;
/* Small enough to not hog a whole line of printout in zpool(1M). */
#define ZPROP_MAX_COMMENT 32
-#define ZPROP_CONT -2
-#define ZPROP_INVAL -1
-
#define ZPROP_VALUE "value"
#define ZPROP_SOURCE "source"
#define ZPROP_SOURCE_VAL_RECVD "$recvd"
#define ZPROP_N_MORE_ERRORS "N_MORE_ERRORS"
+
/*
* Dataset flag implemented as a special entry in the props zap object
* indicating that the dataset has received properties on or after
*/
#define ZPOOL_ROOTFS_PROPS "root-props-nvl"
+/*
+ * Length of 'written@' and 'written#'
+ */
+#define ZFS_WRITTEN_PROP_PREFIX_LEN 8
+
/*
* 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 *);
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 zfs_prop_valid_for_type(int, zfs_type_t, boolean_t);
/*
* Pool property functions shared between libzfs and kernel.
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 **);
ZFS_XATTR_SA = 2
} zfs_xattr_type_t;
+typedef enum {
+ ZFS_DNSIZE_LEGACY = 0,
+ ZFS_DNSIZE_AUTO = 1,
+ ZFS_DNSIZE_1K = 1024,
+ ZFS_DNSIZE_2K = 2048,
+ ZFS_DNSIZE_4K = 4096,
+ ZFS_DNSIZE_8K = 8192,
+ ZFS_DNSIZE_16K = 16384
+} zfs_dnsize_type_t;
+
+typedef enum {
+ ZFS_REDUNDANT_METADATA_ALL,
+ ZFS_REDUNDANT_METADATA_MOST
+} zfs_redundant_metadata_type_t;
+
+typedef enum {
+ ZFS_VOLMODE_DEFAULT = 0,
+ ZFS_VOLMODE_GEOM = 1,
+ ZFS_VOLMODE_DEV = 2,
+ ZFS_VOLMODE_NONE = 3
+} zfs_volmode_t;
+
+typedef enum zfs_keystatus {
+ ZFS_KEYSTATUS_NONE = 0,
+ ZFS_KEYSTATUS_UNAVAILABLE,
+ ZFS_KEYSTATUS_AVAILABLE,
+} zfs_keystatus_t;
+
+typedef enum zfs_keyformat {
+ ZFS_KEYFORMAT_NONE = 0,
+ ZFS_KEYFORMAT_RAW,
+ ZFS_KEYFORMAT_HEX,
+ ZFS_KEYFORMAT_PASSPHRASE,
+ ZFS_KEYFORMAT_FORMATS
+} zfs_keyformat_t;
+
+typedef enum zfs_key_location {
+ ZFS_KEYLOCATION_NONE = 0,
+ ZFS_KEYLOCATION_PROMPT,
+ ZFS_KEYLOCATION_URI,
+ ZFS_KEYLOCATION_LOCATIONS
+} zfs_keylocation_t;
+
+#define DEFAULT_PBKDF2_ITERATIONS 350000
+#define MIN_PBKDF2_ITERATIONS 100000
+
/*
* On-disk version number.
*/
#define SPA_VERSION_5000 5000ULL
/*
- * When bumping up SPA_VERSION, make sure GRUB ZFS understands the on-disk
- * format change. Go to usr/src/grub/grub-0.97/stage2/{zfs-include/, fsys_zfs*},
- * and do the appropriate changes. Also bump the version number in
- * usr/src/grub/capability.
+ * The incrementing pool version number has been replaced by pool feature
+ * flags. For more details, see zfeature.c.
*/
#define SPA_VERSION SPA_VERSION_5000
#define SPA_VERSION_STRING "5000"
* ZPL version - rev'd whenever an incompatible on-disk format change
* occurs. This is independent of SPA/DMU/ZAP versioning. You must
* also update the version_table[] and help message in zfs_prop.c.
- *
- * When changing, be sure to teach GRUB how to read the new format!
- * See usr/src/grub/grub-0.97/stage2/{zfs-include/,fsys_zfs*}
*/
#define ZPL_VERSION_1 1ULL
#define ZPL_VERSION_2 2ULL
#define ZPL_VERSION_USERSPACE ZPL_VERSION_4
#define ZPL_VERSION_SA ZPL_VERSION_5
-/* Rewind request information */
+/* Rewind policy information */
#define ZPOOL_NO_REWIND 1 /* No policy - default behavior */
#define ZPOOL_NEVER_REWIND 2 /* Do not search for best txg or rewind */
#define ZPOOL_TRY_REWIND 4 /* Search for best txg, but do not rewind */
#define ZPOOL_REWIND_MASK 28 /* All the possible rewind bits */
#define ZPOOL_REWIND_POLICIES 31 /* All the possible policy bits */
-typedef struct zpool_rewind_policy {
- uint32_t zrp_request; /* rewind behavior requested */
- uint64_t zrp_maxmeta; /* max acceptable meta-data errors */
- uint64_t zrp_maxdata; /* max acceptable data errors */
- uint64_t zrp_txg; /* specific txg to load */
-} zpool_rewind_policy_t;
+typedef struct zpool_load_policy {
+ uint32_t zlp_rewind; /* rewind policy requested */
+ uint64_t zlp_maxmeta; /* max acceptable meta-data errors */
+ uint64_t zlp_maxdata; /* max acceptable data errors */
+ uint64_t zlp_txg; /* specific txg to load */
+} zpool_load_policy_t;
/*
* The following are configuration names used in the nvlist describing a pool's
- * configuration.
+ * configuration. New on-disk names should be prefixed with "<reverse-DNS>:"
+ * (e.g. "org.open-zfs:") to avoid conflicting names being developed
+ * independently.
*/
#define ZPOOL_CONFIG_VERSION "version"
#define ZPOOL_CONFIG_POOL_NAME "name"
#define ZPOOL_CONFIG_CHILDREN "children"
#define ZPOOL_CONFIG_ID "id"
#define ZPOOL_CONFIG_GUID "guid"
+#define ZPOOL_CONFIG_INDIRECT_OBJECT "com.delphix:indirect_object"
+#define ZPOOL_CONFIG_INDIRECT_BIRTHS "com.delphix:indirect_births"
+#define ZPOOL_CONFIG_PREV_INDIRECT_VDEV "com.delphix:prev_indirect_vdev"
#define ZPOOL_CONFIG_PATH "path"
#define ZPOOL_CONFIG_DEVID "devid"
#define ZPOOL_CONFIG_METASLAB_ARRAY "metaslab_array"
#define ZPOOL_CONFIG_ASIZE "asize"
#define ZPOOL_CONFIG_DTL "DTL"
#define ZPOOL_CONFIG_SCAN_STATS "scan_stats" /* not stored on disk */
+#define ZPOOL_CONFIG_REMOVAL_STATS "removal_stats" /* not stored on disk */
+#define ZPOOL_CONFIG_CHECKPOINT_STATS "checkpoint_stats" /* not on disk */
#define ZPOOL_CONFIG_VDEV_STATS "vdev_stats" /* not stored on disk */
+#define ZPOOL_CONFIG_INDIRECT_SIZE "indirect_size" /* not stored on disk */
+
+/* container nvlist of extended stats */
+#define ZPOOL_CONFIG_VDEV_STATS_EX "vdev_stats_ex"
+
+/* Active queue read/write stats */
+#define ZPOOL_CONFIG_VDEV_SYNC_R_ACTIVE_QUEUE "vdev_sync_r_active_queue"
+#define ZPOOL_CONFIG_VDEV_SYNC_W_ACTIVE_QUEUE "vdev_sync_w_active_queue"
+#define ZPOOL_CONFIG_VDEV_ASYNC_R_ACTIVE_QUEUE "vdev_async_r_active_queue"
+#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"
+
+/* Queue sizes */
+#define ZPOOL_CONFIG_VDEV_SYNC_R_PEND_QUEUE "vdev_sync_r_pend_queue"
+#define ZPOOL_CONFIG_VDEV_SYNC_W_PEND_QUEUE "vdev_sync_w_pend_queue"
+#define ZPOOL_CONFIG_VDEV_ASYNC_R_PEND_QUEUE "vdev_async_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"
+
+/* Latency read/write histogram stats */
+#define ZPOOL_CONFIG_VDEV_TOT_R_LAT_HISTO "vdev_tot_r_lat_histo"
+#define ZPOOL_CONFIG_VDEV_TOT_W_LAT_HISTO "vdev_tot_w_lat_histo"
+#define ZPOOL_CONFIG_VDEV_DISK_R_LAT_HISTO "vdev_disk_r_lat_histo"
+#define ZPOOL_CONFIG_VDEV_DISK_W_LAT_HISTO "vdev_disk_w_lat_histo"
+#define ZPOOL_CONFIG_VDEV_SYNC_R_LAT_HISTO "vdev_sync_r_lat_histo"
+#define ZPOOL_CONFIG_VDEV_SYNC_W_LAT_HISTO "vdev_sync_w_lat_histo"
+#define ZPOOL_CONFIG_VDEV_ASYNC_R_LAT_HISTO "vdev_async_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"
+
+/* Request size histograms */
+#define ZPOOL_CONFIG_VDEV_SYNC_IND_R_HISTO "vdev_sync_ind_r_histo"
+#define ZPOOL_CONFIG_VDEV_SYNC_IND_W_HISTO "vdev_sync_ind_w_histo"
+#define ZPOOL_CONFIG_VDEV_ASYNC_IND_R_HISTO "vdev_async_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_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"
+
+/* Number of slow IOs */
+#define ZPOOL_CONFIG_VDEV_SLOW_IOS "vdev_slow_ios"
+
+/* vdev enclosure sysfs path */
+#define ZPOOL_CONFIG_VDEV_ENC_SYSFS_PATH "vdev_enc_sysfs_path"
+
#define ZPOOL_CONFIG_WHOLE_DISK "whole_disk"
#define ZPOOL_CONFIG_ERRCOUNT "error_count"
#define ZPOOL_CONFIG_NOT_PRESENT "not_present"
#define ZPOOL_CONFIG_SPLIT_GUID "split_guid"
#define ZPOOL_CONFIG_SPLIT_LIST "guid_list"
#define ZPOOL_CONFIG_REMOVING "removing"
-#define ZPOOL_CONFIG_RESILVERING "resilvering"
+#define ZPOOL_CONFIG_RESILVER_TXG "resilver_txg"
#define ZPOOL_CONFIG_COMMENT "comment"
#define ZPOOL_CONFIG_SUSPENDED "suspended" /* not stored on disk */
+#define ZPOOL_CONFIG_SUSPENDED_REASON "suspended_reason" /* not stored */
#define ZPOOL_CONFIG_TIMESTAMP "timestamp" /* not stored on disk */
#define ZPOOL_CONFIG_BOOTFS "bootfs" /* not stored on disk */
#define ZPOOL_CONFIG_MISSING_DEVICES "missing_vdevs" /* not stored on disk */
#define ZPOOL_CONFIG_CAN_RDONLY "can_rdonly" /* not stored on disk */
#define ZPOOL_CONFIG_FEATURES_FOR_READ "features_for_read"
#define ZPOOL_CONFIG_FEATURE_STATS "feature_stats" /* not stored on disk */
+#define ZPOOL_CONFIG_ERRATA "errata" /* not stored on disk */
+#define ZPOOL_CONFIG_VDEV_TOP_ZAP "com.delphix:vdev_zap_top"
+#define ZPOOL_CONFIG_VDEV_LEAF_ZAP "com.delphix:vdev_zap_leaf"
+#define ZPOOL_CONFIG_HAS_PER_VDEV_ZAPS "com.delphix:has_per_vdev_zaps"
+#define ZPOOL_CONFIG_RESILVER_DEFER "com.datto:resilver_defer"
+#define ZPOOL_CONFIG_CACHEFILE "cachefile" /* not stored on disk */
+#define ZPOOL_CONFIG_MMP_STATE "mmp_state" /* not stored on disk */
+#define ZPOOL_CONFIG_MMP_TXG "mmp_txg" /* not stored on disk */
+#define ZPOOL_CONFIG_MMP_SEQ "mmp_seq" /* not stored on disk */
+#define ZPOOL_CONFIG_MMP_HOSTNAME "mmp_hostname" /* not stored on disk */
+#define ZPOOL_CONFIG_MMP_HOSTID "mmp_hostid" /* not stored on disk */
+#define ZPOOL_CONFIG_ALLOCATION_BIAS "alloc_bias" /* not stored on disk */
+#define ZPOOL_CONFIG_EXPANSION_TIME "expansion_time" /* not stored */
+
/*
* The persistent vdev state is stored as separate values rather than a single
* 'vdev_state' entry. This is because a device can be in multiple states, such
#define ZPOOL_CONFIG_FRU "fru"
#define ZPOOL_CONFIG_AUX_STATE "aux_state"
-/* Rewind policy parameters */
-#define ZPOOL_REWIND_POLICY "rewind-policy"
-#define ZPOOL_REWIND_REQUEST "rewind-request"
-#define ZPOOL_REWIND_REQUEST_TXG "rewind-request-txg"
-#define ZPOOL_REWIND_META_THRESH "rewind-meta-thresh"
-#define ZPOOL_REWIND_DATA_THRESH "rewind-data-thresh"
+/* Pool load policy parameters */
+#define ZPOOL_LOAD_POLICY "load-policy"
+#define ZPOOL_LOAD_REWIND_POLICY "load-rewind-policy"
+#define ZPOOL_LOAD_REQUEST_TXG "load-request-txg"
+#define ZPOOL_LOAD_META_THRESH "load-meta-thresh"
+#define ZPOOL_LOAD_DATA_THRESH "load-data-thresh"
/* Rewind data discovered */
#define ZPOOL_CONFIG_LOAD_TIME "rewind_txg_ts"
#define VDEV_TYPE_SPARE "spare"
#define VDEV_TYPE_LOG "log"
#define VDEV_TYPE_L2CACHE "l2cache"
+#define VDEV_TYPE_INDIRECT "indirect"
+
+/* VDEV_TOP_ZAP_* are used in top-level vdev ZAP objects. */
+#define VDEV_TOP_ZAP_INDIRECT_OBSOLETE_SM \
+ "com.delphix:indirect_obsolete_sm"
+#define VDEV_TOP_ZAP_OBSOLETE_COUNTS_ARE_PRECISE \
+ "com.delphix:obsolete_counts_are_precise"
+#define VDEV_TOP_ZAP_POOL_CHECKPOINT_SM \
+ "com.delphix:pool_checkpoint_sm"
+
+#define VDEV_TOP_ZAP_ALLOCATION_BIAS \
+ "org.zfsonlinux:allocation_bias"
+
+/* vdev metaslab allocation bias */
+#define VDEV_ALLOC_BIAS_LOG "log"
+#define VDEV_ALLOC_BIAS_SPECIAL "special"
+#define VDEV_ALLOC_BIAS_DEDUP "dedup"
+
+/* vdev initialize state */
+#define VDEV_LEAF_ZAP_INITIALIZE_LAST_OFFSET \
+ "com.delphix:next_offset_to_initialize"
+#define VDEV_LEAF_ZAP_INITIALIZE_STATE \
+ "com.delphix:vdev_initialize_state"
+#define VDEV_LEAF_ZAP_INITIALIZE_ACTION_TIME \
+ "com.delphix:vdev_initialize_action_time"
+
+/* vdev TRIM state */
+#define VDEV_LEAF_ZAP_TRIM_LAST_OFFSET \
+ "org.zfsonlinux:next_offset_to_trim"
+#define VDEV_LEAF_ZAP_TRIM_STATE \
+ "org.zfsonlinux:vdev_trim_state"
+#define VDEV_LEAF_ZAP_TRIM_ACTION_TIME \
+ "org.zfsonlinux:vdev_trim_action_time"
+#define VDEV_LEAF_ZAP_TRIM_RATE \
+ "org.zfsonlinux:vdev_trim_rate"
+#define VDEV_LEAF_ZAP_TRIM_PARTIAL \
+ "org.zfsonlinux:vdev_trim_partial"
+#define VDEV_LEAF_ZAP_TRIM_SECURE \
+ "org.zfsonlinux:vdev_trim_secure"
/*
* This is needed in userland to report the minimum necessary device size.
*/
#define SPA_MINDEVSIZE (64ULL << 20)
+/*
+ * Set if the fragmentation has not yet been calculated. This can happen
+ * because the space maps have not been upgraded or the histogram feature
+ * is not enabled.
+ */
+#define ZFS_FRAG_INVALID UINT64_MAX
+
/*
* The location of the pool configuration repository, shared between kernel and
* userland.
VDEV_AUX_ERR_EXCEEDED, /* too many errors */
VDEV_AUX_IO_FAILURE, /* experienced I/O failure */
VDEV_AUX_BAD_LOG, /* cannot read log chain(s) */
- VDEV_AUX_EXTERNAL, /* external diagnosis */
- VDEV_AUX_SPLIT_POOL /* vdev was split off into another pool */
+ VDEV_AUX_EXTERNAL, /* external diagnosis or forced fault */
+ VDEV_AUX_SPLIT_POOL, /* vdev was split off into another pool */
+ VDEV_AUX_BAD_ASHIFT, /* vdev ashift is invalid */
+ 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_t;
/*
POOL_STATE_POTENTIALLY_ACTIVE /* Internal libzfs state */
} pool_state_t;
+/*
+ * mmp state. The following states provide additional detail describing
+ * why a pool couldn't be safely imported.
+ */
+typedef enum mmp_state {
+ MMP_STATE_ACTIVE = 0, /* In active use */
+ MMP_STATE_INACTIVE, /* Inactive and safe to import */
+ MMP_STATE_NO_HOSTID /* System hostid is not set */
+} mmp_state_t;
+
/*
* Scan Functions.
*/
POOL_SCAN_FUNCS
} pool_scan_func_t;
+/*
+ * Used to control scrub pause and resume.
+ */
+typedef enum pool_scrub_cmd {
+ POOL_SCRUB_NORMAL = 0,
+ POOL_SCRUB_PAUSE,
+ POOL_SCRUB_FLAGS_END
+} pool_scrub_cmd_t;
+
+typedef enum {
+ CS_NONE,
+ CS_CHECKPOINT_EXISTS,
+ CS_CHECKPOINT_DISCARDING,
+ CS_NUM_STATES
+} checkpoint_state_t;
+
+typedef struct pool_checkpoint_stat {
+ uint64_t pcs_state; /* checkpoint_state_t */
+ uint64_t pcs_start_time; /* time checkpoint/discard started */
+ uint64_t pcs_space; /* checkpointed space */
+} pool_checkpoint_stat_t;
+
/*
* ZIO types. Needed to interpret vdev statistics below.
*/
ZIO_TYPE_FREE,
ZIO_TYPE_CLAIM,
ZIO_TYPE_IOCTL,
+ ZIO_TYPE_TRIM,
ZIO_TYPES
} zio_type_t;
uint64_t pss_start_time; /* scan start time */
uint64_t pss_end_time; /* scan end time */
uint64_t pss_to_examine; /* total bytes to scan */
- uint64_t pss_examined; /* total examined bytes */
+ uint64_t pss_examined; /* total bytes located by scanner */
uint64_t pss_to_process; /* total bytes to process */
uint64_t pss_processed; /* total processed bytes */
uint64_t pss_errors; /* scan errors */
/* values not stored on disk */
- uint64_t pss_pass_exam; /* examined bytes per scan pass */
+ uint64_t pss_pass_exam; /* examined bytes per scan pass */
uint64_t pss_pass_start; /* start time of a scan pass */
+ uint64_t pss_pass_scrub_pause; /* pause time of a scurb pass */
+ /* cumulative time scrub spent paused, needed for rate calculation */
+ uint64_t pss_pass_scrub_spent_paused;
+ uint64_t pss_pass_issued; /* issued bytes per scan pass */
+ uint64_t pss_issued; /* total bytes checked by scanner */
} pool_scan_stat_t;
+typedef struct pool_removal_stat {
+ uint64_t prs_state; /* dsl_scan_state_t */
+ uint64_t prs_removing_vdev;
+ uint64_t prs_start_time;
+ uint64_t prs_end_time;
+ uint64_t prs_to_copy; /* bytes that need to be copied */
+ uint64_t prs_copied; /* bytes copied so far */
+ /*
+ * bytes of memory used for indirect mappings.
+ * This includes all removed vdevs.
+ */
+ uint64_t prs_mapping_memory;
+} pool_removal_stat_t;
+
typedef enum dsl_scan_state {
DSS_NONE,
DSS_SCANNING,
DSS_NUM_STATES
} dsl_scan_state_t;
+/*
+ * Errata described by http://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.
+ */
+typedef enum zpool_errata {
+ ZPOOL_ERRATA_NONE,
+ ZPOOL_ERRATA_ZOL_2094_SCRUB,
+ ZPOOL_ERRATA_ZOL_2094_ASYNC_DESTROY,
+ ZPOOL_ERRATA_ZOL_6845_ENCRYPTION,
+ ZPOOL_ERRATA_ZOL_8308_ENCRYPTION,
+} zpool_errata_t;
/*
* Vdev statistics. Note: all fields should be 64-bit because this
- * is passed between kernel and userland as an nvlist uint64 array.
+ * is passed between kernel and user land as an nvlist uint64 array.
+ *
+ * The vs_ops[] and vs_bytes[] arrays must always be an array size of 6 in
+ * order to keep subsequent members at their known fixed offsets. When
+ * adding a new field it must be added to the end the structure.
*/
+#define VS_ZIO_TYPES 6
+
typedef struct vdev_stat {
hrtime_t vs_timestamp; /* time since vdev load */
uint64_t vs_state; /* vdev state */
uint64_t vs_dspace; /* deflated capacity */
uint64_t vs_rsize; /* replaceable dev size */
uint64_t vs_esize; /* expandable dev size */
- uint64_t vs_ops[ZIO_TYPES]; /* operation count */
- uint64_t vs_bytes[ZIO_TYPES]; /* bytes read/written */
+ uint64_t vs_ops[VS_ZIO_TYPES]; /* operation count */
+ uint64_t vs_bytes[VS_ZIO_TYPES]; /* bytes read/written */
uint64_t vs_read_errors; /* read errors */
uint64_t vs_write_errors; /* write errors */
uint64_t vs_checksum_errors; /* checksum errors */
+ uint64_t vs_initialize_errors; /* initializing errors */
uint64_t vs_self_healed; /* self-healed bytes */
uint64_t vs_scan_removing; /* removing? */
uint64_t vs_scan_processed; /* scan processed bytes */
+ uint64_t vs_fragmentation; /* device fragmentation */
+ uint64_t vs_initialize_bytes_done; /* bytes initialized */
+ uint64_t vs_initialize_bytes_est; /* total bytes to initialize */
+ uint64_t vs_initialize_state; /* vdev_initialzing_state_t */
+ uint64_t vs_initialize_action_time; /* time_t */
+ uint64_t vs_checkpoint_space; /* checkpoint-consumed space */
+ uint64_t vs_resilver_deferred; /* resilver deferred */
+ uint64_t vs_slow_ios; /* slow IOs */
+ uint64_t vs_trim_errors; /* trimming errors */
+ uint64_t vs_trim_notsup; /* supported by device */
+ uint64_t vs_trim_bytes_done; /* bytes trimmed */
+ uint64_t vs_trim_bytes_est; /* total bytes to trim */
+ uint64_t vs_trim_state; /* vdev_trim_state_t */
+ uint64_t vs_trim_action_time; /* time_t */
} vdev_stat_t;
+/*
+ * Extended stats
+ *
+ * These are stats which aren't included in the original iostat output. For
+ * convenience, they are grouped together in vdev_stat_ex, although each stat
+ * is individually exported as an nvlist.
+ */
+typedef struct vdev_stat_ex {
+ /* Number of ZIOs issued to disk and waiting to finish */
+ uint64_t vsx_active_queue[ZIO_PRIORITY_NUM_QUEUEABLE];
+
+ /* Number of ZIOs pending to be issued to disk */
+ uint64_t vsx_pend_queue[ZIO_PRIORITY_NUM_QUEUEABLE];
+
+ /*
+ * Below are the histograms for various latencies. Buckets are in
+ * units of nanoseconds.
+ */
+
+ /*
+ * 2^37 nanoseconds = 134s. Timeouts will probably start kicking in
+ * before this.
+ */
+#define VDEV_L_HISTO_BUCKETS 37 /* Latency histo buckets */
+#define VDEV_RQ_HISTO_BUCKETS 25 /* Request size histo buckets */
+
+ /* Amount of time in ZIO queue (ns) */
+ uint64_t vsx_queue_histo[ZIO_PRIORITY_NUM_QUEUEABLE]
+ [VDEV_L_HISTO_BUCKETS];
+
+ /* Total ZIO latency (ns). Includes queuing and disk access time */
+ uint64_t vsx_total_histo[ZIO_TYPES][VDEV_L_HISTO_BUCKETS];
+
+ /* Amount of time to read/write the disk (ns) */
+ uint64_t vsx_disk_histo[ZIO_TYPES][VDEV_L_HISTO_BUCKETS];
+
+ /* "lookup the bucket for a value" histogram macros */
+#define HISTO(val, buckets) (val != 0 ? MIN(highbit64(val) - 1, \
+ buckets - 1) : 0)
+#define L_HISTO(a) HISTO(a, VDEV_L_HISTO_BUCKETS)
+#define RQ_HISTO(a) HISTO(a, VDEV_RQ_HISTO_BUCKETS)
+
+ /* Physical IO histogram */
+ uint64_t vsx_ind_histo[ZIO_PRIORITY_NUM_QUEUEABLE]
+ [VDEV_RQ_HISTO_BUCKETS];
+
+ /* Delegated (aggregated) physical IO histogram */
+ uint64_t vsx_agg_histo[ZIO_PRIORITY_NUM_QUEUEABLE]
+ [VDEV_RQ_HISTO_BUCKETS];
+
+} vdev_stat_ex_t;
+
+/*
+ * Initialize functions.
+ */
+typedef enum pool_initialize_func {
+ POOL_INITIALIZE_START,
+ POOL_INITIALIZE_CANCEL,
+ POOL_INITIALIZE_SUSPEND,
+ POOL_INITIALIZE_FUNCS
+} pool_initialize_func_t;
+
+/*
+ * TRIM functions.
+ */
+typedef enum pool_trim_func {
+ POOL_TRIM_START,
+ POOL_TRIM_CANCEL,
+ POOL_TRIM_SUSPEND,
+ POOL_TRIM_FUNCS
+} pool_trim_func_t;
+
/*
* DDT statistics. Note: all fields should be 64-bit because this
* is passed between kernel and userland as an nvlist uint64 array.
*/
typedef struct ddt_object {
- uint64_t ddo_count; /* number of elments in ddt */
+ uint64_t ddo_count; /* number of elements in ddt */
uint64_t ddo_dspace; /* size of ddt on disk */
uint64_t ddo_mspace; /* size of ddt in-core */
} ddt_object_t;
#define ZVOL_DRIVER "zvol"
#define ZFS_DRIVER "zfs"
#define ZFS_DEV "/dev/zfs"
+#define ZFS_SHARETAB "/etc/dfs/sharetab"
+
+#define ZFS_SUPER_MAGIC 0x2fc12fc1
/* general zvol path */
#define ZVOL_DIR "/dev"
#define ZVOL_PROP_NAME "name"
#define ZVOL_DEFAULT_BLOCKSIZE 8192
+typedef enum {
+ VDEV_INITIALIZE_NONE,
+ VDEV_INITIALIZE_ACTIVE,
+ VDEV_INITIALIZE_CANCELED,
+ VDEV_INITIALIZE_SUSPENDED,
+ VDEV_INITIALIZE_COMPLETE
+} vdev_initializing_state_t;
+
+typedef enum {
+ VDEV_TRIM_NONE,
+ VDEV_TRIM_ACTIVE,
+ VDEV_TRIM_CANCELED,
+ VDEV_TRIM_SUSPENDED,
+ VDEV_TRIM_COMPLETE,
+} vdev_trim_state_t;
+
+/*
+ * nvlist name constants. Facilitate restricting snapshot iteration range for
+ * the "list next snapshot" ioctl
+ */
+#define SNAP_ITER_MIN_TXG "snap_iter_min_txg"
+#define SNAP_ITER_MAX_TXG "snap_iter_max_txg"
+
/*
* /dev/zfs ioctl numbers.
+ *
+ * These numbers cannot change over time. New ioctl numbers must be appended.
*/
typedef enum zfs_ioc {
+ /*
+ * illumos - 81/128 numbers reserved.
+ */
ZFS_IOC_FIRST = ('Z' << 8),
ZFS_IOC = ZFS_IOC_FIRST,
- ZFS_IOC_POOL_CREATE = ZFS_IOC_FIRST,
- ZFS_IOC_POOL_DESTROY,
- ZFS_IOC_POOL_IMPORT,
- ZFS_IOC_POOL_EXPORT,
- ZFS_IOC_POOL_CONFIGS,
- ZFS_IOC_POOL_STATS,
- ZFS_IOC_POOL_TRYIMPORT,
- ZFS_IOC_POOL_SCAN,
- ZFS_IOC_POOL_FREEZE,
- ZFS_IOC_POOL_UPGRADE,
- ZFS_IOC_POOL_GET_HISTORY,
- ZFS_IOC_VDEV_ADD,
- ZFS_IOC_VDEV_REMOVE,
- ZFS_IOC_VDEV_SET_STATE,
- ZFS_IOC_VDEV_ATTACH,
- ZFS_IOC_VDEV_DETACH,
- ZFS_IOC_VDEV_SETPATH,
- ZFS_IOC_VDEV_SETFRU,
- ZFS_IOC_OBJSET_STATS,
- ZFS_IOC_OBJSET_ZPLPROPS,
- ZFS_IOC_DATASET_LIST_NEXT,
- ZFS_IOC_SNAPSHOT_LIST_NEXT,
- ZFS_IOC_SET_PROP,
- ZFS_IOC_CREATE_MINOR,
- ZFS_IOC_REMOVE_MINOR,
- ZFS_IOC_CREATE,
- ZFS_IOC_DESTROY,
- ZFS_IOC_ROLLBACK,
- ZFS_IOC_RENAME,
- ZFS_IOC_RECV,
- ZFS_IOC_SEND,
- ZFS_IOC_INJECT_FAULT,
- ZFS_IOC_CLEAR_FAULT,
- ZFS_IOC_INJECT_LIST_NEXT,
- ZFS_IOC_ERROR_LOG,
- ZFS_IOC_CLEAR,
- ZFS_IOC_PROMOTE,
- ZFS_IOC_DESTROY_SNAPS,
- ZFS_IOC_SNAPSHOT,
- ZFS_IOC_DSOBJ_TO_DSNAME,
- ZFS_IOC_OBJ_TO_PATH,
- ZFS_IOC_POOL_SET_PROPS,
- ZFS_IOC_POOL_GET_PROPS,
- ZFS_IOC_SET_FSACL,
- ZFS_IOC_GET_FSACL,
- ZFS_IOC_SHARE,
- ZFS_IOC_INHERIT_PROP,
- ZFS_IOC_SMB_ACL,
- ZFS_IOC_USERSPACE_ONE,
- ZFS_IOC_USERSPACE_MANY,
- ZFS_IOC_USERSPACE_UPGRADE,
- ZFS_IOC_HOLD,
- ZFS_IOC_RELEASE,
- ZFS_IOC_GET_HOLDS,
- ZFS_IOC_OBJSET_RECVD_PROPS,
- ZFS_IOC_VDEV_SPLIT,
- ZFS_IOC_NEXT_OBJ,
- ZFS_IOC_DIFF,
- ZFS_IOC_TMP_SNAPSHOT,
- ZFS_IOC_OBJ_TO_STATS,
- ZFS_IOC_EVENTS_NEXT,
- ZFS_IOC_EVENTS_CLEAR,
- ZFS_IOC_POOL_REGUID,
- ZFS_IOC_SPACE_WRITTEN,
- ZFS_IOC_SPACE_SNAPS,
- ZFS_IOC_POOL_REOPEN,
- ZFS_IOC_SEND_PROGRESS,
- ZFS_IOC_LOG_HISTORY,
- ZFS_IOC_SEND_NEW,
- ZFS_IOC_SEND_SPACE,
- ZFS_IOC_CLONE,
+ ZFS_IOC_POOL_CREATE = ZFS_IOC_FIRST, /* 0x5a00 */
+ ZFS_IOC_POOL_DESTROY, /* 0x5a01 */
+ ZFS_IOC_POOL_IMPORT, /* 0x5a02 */
+ ZFS_IOC_POOL_EXPORT, /* 0x5a03 */
+ ZFS_IOC_POOL_CONFIGS, /* 0x5a04 */
+ ZFS_IOC_POOL_STATS, /* 0x5a05 */
+ ZFS_IOC_POOL_TRYIMPORT, /* 0x5a06 */
+ ZFS_IOC_POOL_SCAN, /* 0x5a07 */
+ ZFS_IOC_POOL_FREEZE, /* 0x5a08 */
+ ZFS_IOC_POOL_UPGRADE, /* 0x5a09 */
+ ZFS_IOC_POOL_GET_HISTORY, /* 0x5a0a */
+ ZFS_IOC_VDEV_ADD, /* 0x5a0b */
+ ZFS_IOC_VDEV_REMOVE, /* 0x5a0c */
+ ZFS_IOC_VDEV_SET_STATE, /* 0x5a0d */
+ ZFS_IOC_VDEV_ATTACH, /* 0x5a0e */
+ ZFS_IOC_VDEV_DETACH, /* 0x5a0f */
+ ZFS_IOC_VDEV_SETPATH, /* 0x5a10 */
+ ZFS_IOC_VDEV_SETFRU, /* 0x5a11 */
+ ZFS_IOC_OBJSET_STATS, /* 0x5a12 */
+ ZFS_IOC_OBJSET_ZPLPROPS, /* 0x5a13 */
+ ZFS_IOC_DATASET_LIST_NEXT, /* 0x5a14 */
+ ZFS_IOC_SNAPSHOT_LIST_NEXT, /* 0x5a15 */
+ ZFS_IOC_SET_PROP, /* 0x5a16 */
+ ZFS_IOC_CREATE, /* 0x5a17 */
+ ZFS_IOC_DESTROY, /* 0x5a18 */
+ ZFS_IOC_ROLLBACK, /* 0x5a19 */
+ ZFS_IOC_RENAME, /* 0x5a1a */
+ ZFS_IOC_RECV, /* 0x5a1b */
+ ZFS_IOC_SEND, /* 0x5a1c */
+ ZFS_IOC_INJECT_FAULT, /* 0x5a1d */
+ ZFS_IOC_CLEAR_FAULT, /* 0x5a1e */
+ ZFS_IOC_INJECT_LIST_NEXT, /* 0x5a1f */
+ ZFS_IOC_ERROR_LOG, /* 0x5a20 */
+ ZFS_IOC_CLEAR, /* 0x5a21 */
+ ZFS_IOC_PROMOTE, /* 0x5a22 */
+ ZFS_IOC_SNAPSHOT, /* 0x5a23 */
+ ZFS_IOC_DSOBJ_TO_DSNAME, /* 0x5a24 */
+ ZFS_IOC_OBJ_TO_PATH, /* 0x5a25 */
+ ZFS_IOC_POOL_SET_PROPS, /* 0x5a26 */
+ ZFS_IOC_POOL_GET_PROPS, /* 0x5a27 */
+ ZFS_IOC_SET_FSACL, /* 0x5a28 */
+ ZFS_IOC_GET_FSACL, /* 0x5a29 */
+ ZFS_IOC_SHARE, /* 0x5a2a */
+ ZFS_IOC_INHERIT_PROP, /* 0x5a2b */
+ ZFS_IOC_SMB_ACL, /* 0x5a2c */
+ ZFS_IOC_USERSPACE_ONE, /* 0x5a2d */
+ ZFS_IOC_USERSPACE_MANY, /* 0x5a2e */
+ ZFS_IOC_USERSPACE_UPGRADE, /* 0x5a2f */
+ ZFS_IOC_HOLD, /* 0x5a30 */
+ ZFS_IOC_RELEASE, /* 0x5a31 */
+ ZFS_IOC_GET_HOLDS, /* 0x5a32 */
+ ZFS_IOC_OBJSET_RECVD_PROPS, /* 0x5a33 */
+ ZFS_IOC_VDEV_SPLIT, /* 0x5a34 */
+ ZFS_IOC_NEXT_OBJ, /* 0x5a35 */
+ ZFS_IOC_DIFF, /* 0x5a36 */
+ ZFS_IOC_TMP_SNAPSHOT, /* 0x5a37 */
+ ZFS_IOC_OBJ_TO_STATS, /* 0x5a38 */
+ ZFS_IOC_SPACE_WRITTEN, /* 0x5a39 */
+ ZFS_IOC_SPACE_SNAPS, /* 0x5a3a */
+ ZFS_IOC_DESTROY_SNAPS, /* 0x5a3b */
+ ZFS_IOC_POOL_REGUID, /* 0x5a3c */
+ ZFS_IOC_POOL_REOPEN, /* 0x5a3d */
+ ZFS_IOC_SEND_PROGRESS, /* 0x5a3e */
+ ZFS_IOC_LOG_HISTORY, /* 0x5a3f */
+ ZFS_IOC_SEND_NEW, /* 0x5a40 */
+ ZFS_IOC_SEND_SPACE, /* 0x5a41 */
+ ZFS_IOC_CLONE, /* 0x5a42 */
+ ZFS_IOC_BOOKMARK, /* 0x5a43 */
+ ZFS_IOC_GET_BOOKMARKS, /* 0x5a44 */
+ ZFS_IOC_DESTROY_BOOKMARKS, /* 0x5a45 */
+ ZFS_IOC_RECV_NEW, /* 0x5a46 */
+ ZFS_IOC_POOL_SYNC, /* 0x5a47 */
+ ZFS_IOC_CHANNEL_PROGRAM, /* 0x5a48 */
+ ZFS_IOC_LOAD_KEY, /* 0x5a49 */
+ ZFS_IOC_UNLOAD_KEY, /* 0x5a4a */
+ ZFS_IOC_CHANGE_KEY, /* 0x5a4b */
+ ZFS_IOC_REMAP, /* 0x5a4c */
+ ZFS_IOC_POOL_CHECKPOINT, /* 0x5a4d */
+ ZFS_IOC_POOL_DISCARD_CHECKPOINT, /* 0x5a4e */
+ ZFS_IOC_POOL_INITIALIZE, /* 0x5a4f */
+ ZFS_IOC_POOL_TRIM, /* 0x5a50 */
+
+ /*
+ * Linux - 3/64 numbers reserved.
+ */
+ ZFS_IOC_LINUX = ('Z' << 8) + 0x80,
+ ZFS_IOC_EVENTS_NEXT, /* 0x5a81 */
+ ZFS_IOC_EVENTS_CLEAR, /* 0x5a82 */
+ ZFS_IOC_EVENTS_SEEK, /* 0x5a83 */
+
+ /*
+ * FreeBSD - 1/64 numbers reserved.
+ */
+ ZFS_IOC_FREEBSD = ('Z' << 8) + 0xC0,
+
ZFS_IOC_LAST
} zfs_ioc_t;
/*
* zvol ioctl to get dataset name
*/
-#define BLKZNAME _IOR(0x12,125,char[ZFS_MAXNAMELEN])
+#define BLKZNAME _IOR(0x12, 125, char[ZFS_MAX_DATASET_NAME_LEN])
+
+/*
+ * ZFS-specific error codes used for returning descriptive errors
+ * to the userland through zfs ioctls.
+ *
+ * The enum implicitly includes all the error codes from errno.h.
+ * New code should use and extend this enum for errors that are
+ * not described precisely by generic errno codes.
+ *
+ * These numbers should not change over time. New entries should be appended.
+ */
+typedef enum {
+ ZFS_ERR_CHECKPOINT_EXISTS = 1024,
+ ZFS_ERR_DISCARDING_CHECKPOINT,
+ ZFS_ERR_NO_CHECKPOINT,
+ ZFS_ERR_DEVRM_IN_PROGRESS,
+ ZFS_ERR_VDEV_TOO_BIG,
+ ZFS_ERR_IOC_CMD_UNAVAIL,
+ ZFS_ERR_IOC_ARG_UNAVAIL,
+ ZFS_ERR_IOC_ARG_REQUIRED,
+ ZFS_ERR_IOC_ARG_BADTYPE,
+ ZFS_ERR_WRONG_PARENT,
+ ZFS_ERR_FROM_IVSET_GUID_MISSING,
+ ZFS_ERR_FROM_IVSET_GUID_MISMATCH,
+ ZFS_ERR_SPILL_BLOCK_FLAG_MISSING,
+} zfs_errno_t;
/*
* Internal SPA load state. Used by FMA diagnosis engine.
SPA_LOAD_IMPORT, /* import in progress */
SPA_LOAD_TRYIMPORT, /* tryimport in progress */
SPA_LOAD_RECOVER, /* recovery requested */
- SPA_LOAD_ERROR /* load failed */
+ SPA_LOAD_ERROR, /* load failed */
+ SPA_LOAD_CREATE /* creation in progress */
} spa_load_state_t;
/*
#define ZPOOL_HIST_OUTPUT_NVL "out_nvl"
#define ZPOOL_HIST_DSNAME "dsname"
#define ZPOOL_HIST_DSID "dsid"
+#define ZPOOL_HIST_ERRNO "errno"
+
+/*
+ * Special nvlist name that will not have its args recorded in the pool's
+ * history log.
+ */
+#define ZPOOL_HIDDEN_ARGS "hidden_args"
+
+/*
+ * The following are names used when invoking ZFS_IOC_POOL_INITIALIZE.
+ */
+#define ZPOOL_INITIALIZE_COMMAND "initialize_command"
+#define ZPOOL_INITIALIZE_VDEVS "initialize_vdevs"
+
+/*
+ * The following are names used when invoking ZFS_IOC_POOL_TRIM.
+ */
+#define ZPOOL_TRIM_COMMAND "trim_command"
+#define ZPOOL_TRIM_VDEVS "trim_vdevs"
+#define ZPOOL_TRIM_RATE "trim_rate"
+#define ZPOOL_TRIM_SECURE "trim_secure"
/*
* Flags for ZFS_IOC_VDEV_SET_STATE
#define ZFS_IMPORT_ANY_HOST 0x2
#define ZFS_IMPORT_MISSING_LOG 0x4
#define ZFS_IMPORT_ONLY 0x8
+#define ZFS_IMPORT_TEMP_NAME 0x10
+#define ZFS_IMPORT_SKIP_MMP 0x20
+#define ZFS_IMPORT_LOAD_KEYS 0x40
+#define ZFS_IMPORT_CHECKPOINT 0x80
+
+/*
+ * Channel program argument/return nvlist keys and defaults.
+ */
+#define ZCP_ARG_PROGRAM "program"
+#define ZCP_ARG_ARGLIST "arg"
+#define ZCP_ARG_SYNC "sync"
+#define ZCP_ARG_INSTRLIMIT "instrlimit"
+#define ZCP_ARG_MEMLIMIT "memlimit"
+
+#define ZCP_ARG_CLIARGV "argv"
+
+#define ZCP_RET_ERROR "error"
+#define ZCP_RET_RETURN "return"
+
+#define ZCP_DEFAULT_INSTRLIMIT (10 * 1000 * 1000)
+#define ZCP_MAX_INSTRLIMIT (10 * ZCP_DEFAULT_INSTRLIMIT)
+#define ZCP_DEFAULT_MEMLIMIT (10 * 1024 * 1024)
+#define ZCP_MAX_MEMLIMIT (10 * ZCP_DEFAULT_MEMLIMIT)
/*
* Sysevent payload members. ZFS will generate the following sysevents with the
* ZFS_EV_POOL_GUID DATA_TYPE_UINT64
* ZFS_EV_VDEV_PATH DATA_TYPE_STRING (optional)
* ZFS_EV_VDEV_GUID DATA_TYPE_UINT64
+ *
+ * ESC_ZFS_HISTORY_EVENT
+ *
+ * ZFS_EV_POOL_NAME DATA_TYPE_STRING
+ * ZFS_EV_POOL_GUID DATA_TYPE_UINT64
+ * ZFS_EV_HIST_TIME DATA_TYPE_UINT64 (optional)
+ * ZFS_EV_HIST_CMD DATA_TYPE_STRING (optional)
+ * ZFS_EV_HIST_WHO DATA_TYPE_UINT64 (optional)
+ * ZFS_EV_HIST_ZONE DATA_TYPE_STRING (optional)
+ * ZFS_EV_HIST_HOST DATA_TYPE_STRING (optional)
+ * ZFS_EV_HIST_TXG DATA_TYPE_UINT64 (optional)
+ * ZFS_EV_HIST_INT_EVENT DATA_TYPE_UINT64 (optional)
+ * ZFS_EV_HIST_INT_STR DATA_TYPE_STRING (optional)
+ * ZFS_EV_HIST_INT_NAME DATA_TYPE_STRING (optional)
+ * ZFS_EV_HIST_IOCTL DATA_TYPE_STRING (optional)
+ * ZFS_EV_HIST_DSNAME DATA_TYPE_STRING (optional)
+ * ZFS_EV_HIST_DSID DATA_TYPE_UINT64 (optional)
+ *
+ * The ZFS_EV_HIST_* members will correspond to the ZPOOL_HIST_* members in the
+ * history log nvlist. The keynames will be free of any spaces or other
+ * characters that could be potentially unexpected to consumers of the
+ * sysevents.
*/
#define ZFS_EV_POOL_NAME "pool_name"
#define ZFS_EV_POOL_GUID "pool_guid"
#define ZFS_EV_VDEV_PATH "vdev_path"
#define ZFS_EV_VDEV_GUID "vdev_guid"
+#define ZFS_EV_HIST_TIME "history_time"
+#define ZFS_EV_HIST_CMD "history_command"
+#define ZFS_EV_HIST_WHO "history_who"
+#define ZFS_EV_HIST_ZONE "history_zone"
+#define ZFS_EV_HIST_HOST "history_hostname"
+#define ZFS_EV_HIST_TXG "history_txg"
+#define ZFS_EV_HIST_INT_EVENT "history_internal_event"
+#define ZFS_EV_HIST_INT_STR "history_internal_str"
+#define ZFS_EV_HIST_INT_NAME "history_internal_name"
+#define ZFS_EV_HIST_IOCTL "history_ioctl"
+#define ZFS_EV_HIST_DSNAME "history_dsname"
+#define ZFS_EV_HIST_DSID "history_dsid"
#ifdef __cplusplus
}
projects / mirror_zfs.git / blobdiff