diff options
Diffstat (limited to 'sys/contrib/openzfs/include/zfeature_common.h')
| -rw-r--r-- | sys/contrib/openzfs/include/zfeature_common.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/sys/contrib/openzfs/include/zfeature_common.h b/sys/contrib/openzfs/include/zfeature_common.h new file mode 100644 index 000000000000..76dd7ed57478 --- /dev/null +++ b/sys/contrib/openzfs/include/zfeature_common.h @@ -0,0 +1,134 @@ +/* + * 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) 2011, 2018 by Delphix. All rights reserved. + * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. + * Copyright (c) 2013, Joyent, Inc. All rights reserved. + * Copyright (c) 2017, Intel Corporation. + */ + +#ifndef _ZFEATURE_COMMON_H +#define _ZFEATURE_COMMON_H + +#include <sys/fs/zfs.h> +#include <sys/inttypes.h> +#include <sys/types.h> + +#ifdef __cplusplus +extern "C" { +#endif + +struct zfeature_info; + +typedef enum spa_feature { + SPA_FEATURE_NONE = -1, + SPA_FEATURE_ASYNC_DESTROY, + SPA_FEATURE_EMPTY_BPOBJ, + SPA_FEATURE_LZ4_COMPRESS, + SPA_FEATURE_MULTI_VDEV_CRASH_DUMP, + SPA_FEATURE_SPACEMAP_HISTOGRAM, + SPA_FEATURE_ENABLED_TXG, + SPA_FEATURE_HOLE_BIRTH, + SPA_FEATURE_EXTENSIBLE_DATASET, + SPA_FEATURE_EMBEDDED_DATA, + SPA_FEATURE_BOOKMARKS, + SPA_FEATURE_FS_SS_LIMIT, + SPA_FEATURE_LARGE_BLOCKS, + SPA_FEATURE_LARGE_DNODE, + SPA_FEATURE_SHA512, + SPA_FEATURE_SKEIN, + SPA_FEATURE_EDONR, + SPA_FEATURE_USEROBJ_ACCOUNTING, + SPA_FEATURE_ENCRYPTION, + SPA_FEATURE_PROJECT_QUOTA, + SPA_FEATURE_DEVICE_REMOVAL, + SPA_FEATURE_OBSOLETE_COUNTS, + SPA_FEATURE_POOL_CHECKPOINT, + SPA_FEATURE_SPACEMAP_V2, + SPA_FEATURE_ALLOCATION_CLASSES, + SPA_FEATURE_RESILVER_DEFER, + SPA_FEATURE_BOOKMARK_V2, + SPA_FEATURE_REDACTION_BOOKMARKS, + SPA_FEATURE_REDACTED_DATASETS, + SPA_FEATURE_BOOKMARK_WRITTEN, + SPA_FEATURE_LOG_SPACEMAP, + SPA_FEATURE_LIVELIST, + SPA_FEATURE_DEVICE_REBUILD, + SPA_FEATURE_ZSTD_COMPRESS, + SPA_FEATURE_DRAID, + SPA_FEATURES +} spa_feature_t; + +#define SPA_FEATURE_DISABLED (-1ULL) + +typedef enum zfeature_flags { + /* Can open pool readonly even if this feature is not supported. */ + ZFEATURE_FLAG_READONLY_COMPAT = (1 << 0), + /* + * Is this feature necessary to load the pool? i.e. do we need this + * feature to read the full feature list out of the MOS? + */ + ZFEATURE_FLAG_MOS = (1 << 1), + /* Activate this feature at the same time it is enabled. */ + ZFEATURE_FLAG_ACTIVATE_ON_ENABLE = (1 << 2), + /* Each dataset has a field set if it has ever used this feature. */ + ZFEATURE_FLAG_PER_DATASET = (1 << 3) +} zfeature_flags_t; + +typedef enum zfeature_type { + ZFEATURE_TYPE_BOOLEAN, + ZFEATURE_TYPE_UINT64_ARRAY, + ZFEATURE_NUM_TYPES +} zfeature_type_t; + +typedef struct zfeature_info { + spa_feature_t fi_feature; + const char *fi_uname; /* User-facing feature name */ + const char *fi_guid; /* On-disk feature identifier */ + const char *fi_desc; /* Feature description */ + zfeature_flags_t fi_flags; + boolean_t fi_zfs_mod_supported; /* supported by running zfs module */ + zfeature_type_t fi_type; /* Only relevant for PER_DATASET features */ + /* array of dependencies, terminated by SPA_FEATURE_NONE */ + const spa_feature_t *fi_depends; +} zfeature_info_t; + +typedef int (zfeature_func_t)(zfeature_info_t *, void *); + +#define ZFS_FEATURE_DEBUG + +extern zfeature_info_t spa_feature_table[SPA_FEATURES]; + +extern boolean_t zfeature_is_valid_guid(const char *); + +extern boolean_t zfeature_is_supported(const char *); +extern int zfeature_lookup_guid(const char *, spa_feature_t *); +extern int zfeature_lookup_name(const char *, spa_feature_t *); +extern boolean_t zfeature_depends_on(spa_feature_t, spa_feature_t); + +extern void zpool_feature_init(void); + +#ifdef __cplusplus +} +#endif + +#endif /* _ZFEATURE_COMMON_H */ |