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Diffstat (limited to 'include/zfs/dmu.h')
| -rw-r--r-- | include/zfs/dmu.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/include/zfs/dmu.h b/include/zfs/dmu.h new file mode 100644 index 000000000..7faa7088b --- /dev/null +++ b/include/zfs/dmu.h @@ -0,0 +1,120 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +/* + * Copyright 2010 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_DMU_H +#define _SYS_DMU_H + +/* + * This file describes the interface that the DMU provides for its + * consumers. + * + * The DMU also interacts with the SPA. That interface is described in + * dmu_spa.h. + */ +typedef enum dmu_object_type { + DMU_OT_NONE, + /* general: */ + DMU_OT_OBJECT_DIRECTORY, /* ZAP */ + DMU_OT_OBJECT_ARRAY, /* UINT64 */ + DMU_OT_PACKED_NVLIST, /* UINT8 (XDR by nvlist_pack/unpack) */ + DMU_OT_PACKED_NVLIST_SIZE, /* UINT64 */ + DMU_OT_BPLIST, /* UINT64 */ + DMU_OT_BPLIST_HDR, /* UINT64 */ + /* spa: */ + DMU_OT_SPACE_MAP_HEADER, /* UINT64 */ + DMU_OT_SPACE_MAP, /* UINT64 */ + /* zil: */ + DMU_OT_INTENT_LOG, /* UINT64 */ + /* dmu: */ + DMU_OT_DNODE, /* DNODE */ + DMU_OT_OBJSET, /* OBJSET */ + /* dsl: */ + DMU_OT_DSL_DIR, /* UINT64 */ + DMU_OT_DSL_DIR_CHILD_MAP, /* ZAP */ + DMU_OT_DSL_DS_SNAP_MAP, /* ZAP */ + DMU_OT_DSL_PROPS, /* ZAP */ + DMU_OT_DSL_DATASET, /* UINT64 */ + /* zpl: */ + DMU_OT_ZNODE, /* ZNODE */ + DMU_OT_OLDACL, /* OLD ACL */ + DMU_OT_PLAIN_FILE_CONTENTS, /* UINT8 */ + DMU_OT_DIRECTORY_CONTENTS, /* ZAP */ + DMU_OT_MASTER_NODE, /* ZAP */ + DMU_OT_UNLINKED_SET, /* ZAP */ + /* zvol: */ + DMU_OT_ZVOL, /* UINT8 */ + DMU_OT_ZVOL_PROP, /* ZAP */ + /* other; for testing only! */ + DMU_OT_PLAIN_OTHER, /* UINT8 */ + DMU_OT_UINT64_OTHER, /* UINT64 */ + DMU_OT_ZAP_OTHER, /* ZAP */ + /* new object types: */ + DMU_OT_ERROR_LOG, /* ZAP */ + DMU_OT_SPA_HISTORY, /* UINT8 */ + DMU_OT_SPA_HISTORY_OFFSETS, /* spa_his_phys_t */ + DMU_OT_POOL_PROPS, /* ZAP */ + DMU_OT_DSL_PERMS, /* ZAP */ + DMU_OT_ACL, /* ACL */ + DMU_OT_SYSACL, /* SYSACL */ + DMU_OT_FUID, /* FUID table (Packed NVLIST UINT8) */ + DMU_OT_FUID_SIZE, /* FUID table size UINT64 */ + DMU_OT_NEXT_CLONES, /* ZAP */ + DMU_OT_SCRUB_QUEUE, /* ZAP */ + DMU_OT_USERGROUP_USED, /* ZAP */ + DMU_OT_USERGROUP_QUOTA, /* ZAP */ + DMU_OT_USERREFS, /* ZAP */ + DMU_OT_DDT_ZAP, /* ZAP */ + DMU_OT_DDT_STATS, /* ZAP */ + DMU_OT_SA, /* System attr */ + DMU_OT_SA_MASTER_NODE, /* ZAP */ + DMU_OT_SA_ATTR_REGISTRATION, /* ZAP */ + DMU_OT_SA_ATTR_LAYOUTS, /* ZAP */ + DMU_OT_NUMTYPES +} dmu_object_type_t; + +typedef enum dmu_objset_type { + DMU_OST_NONE, + DMU_OST_META, + DMU_OST_ZFS, + DMU_OST_ZVOL, + DMU_OST_OTHER, /* For testing only! */ + DMU_OST_ANY, /* Be careful! */ + DMU_OST_NUMTYPES +} dmu_objset_type_t; + +/* + * The names of zap entries in the DIRECTORY_OBJECT of the MOS. + */ +#define DMU_POOL_DIRECTORY_OBJECT 1 +#define DMU_POOL_CONFIG "config" +#define DMU_POOL_ROOT_DATASET "root_dataset" +#define DMU_POOL_SYNC_BPLIST "sync_bplist" +#define DMU_POOL_ERRLOG_SCRUB "errlog_scrub" +#define DMU_POOL_ERRLOG_LAST "errlog_last" +#define DMU_POOL_SPARES "spares" +#define DMU_POOL_DEFLATE "deflate" +#define DMU_POOL_HISTORY "history" +#define DMU_POOL_PROPS "pool_props" +#define DMU_POOL_L2CACHE "l2cache" + +#endif /* _SYS_DMU_H */ |