1 /* 2 * GRUB -- GRand Unified Bootloader 3 * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; If not, see <http://www.gnu.org/licenses/>. 17 */ 18 /* 19 * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 20 * Use is subject to license terms. 21 */ 22 23 #ifndef _SYS_DMU_H 24 #define _SYS_DMU_H 25 26 /* 27 * This file describes the interface that the DMU provides for its 28 * consumers. 29 * 30 * The DMU also interacts with the SPA. That interface is described in 31 * dmu_spa.h. 32 */ 33 typedef enum dmu_object_type { 34 DMU_OT_NONE, 35 /* general: */ 36 DMU_OT_OBJECT_DIRECTORY, /* ZAP */ 37 DMU_OT_OBJECT_ARRAY, /* UINT64 */ 38 DMU_OT_PACKED_NVLIST, /* UINT8 (XDR by nvlist_pack/unpack) */ 39 DMU_OT_PACKED_NVLIST_SIZE, /* UINT64 */ 40 DMU_OT_BPLIST, /* UINT64 */ 41 DMU_OT_BPLIST_HDR, /* UINT64 */ 42 /* spa: */ 43 DMU_OT_SPACE_MAP_HEADER, /* UINT64 */ 44 DMU_OT_SPACE_MAP, /* UINT64 */ 45 /* zil: */ 46 DMU_OT_INTENT_LOG, /* UINT64 */ 47 /* dmu: */ 48 DMU_OT_DNODE, /* DNODE */ 49 DMU_OT_OBJSET, /* OBJSET */ 50 /* dsl: */ 51 DMU_OT_DSL_DIR, /* UINT64 */ 52 DMU_OT_DSL_DIR_CHILD_MAP, /* ZAP */ 53 DMU_OT_DSL_DS_SNAP_MAP, /* ZAP */ 54 DMU_OT_DSL_PROPS, /* ZAP */ 55 DMU_OT_DSL_DATASET, /* UINT64 */ 56 /* zpl: */ 57 DMU_OT_ZNODE, /* ZNODE */ 58 DMU_OT_OLDACL, /* OLD ACL */ 59 DMU_OT_PLAIN_FILE_CONTENTS, /* UINT8 */ 60 DMU_OT_DIRECTORY_CONTENTS, /* ZAP */ 61 DMU_OT_MASTER_NODE, /* ZAP */ 62 DMU_OT_UNLINKED_SET, /* ZAP */ 63 /* zvol: */ 64 DMU_OT_ZVOL, /* UINT8 */ 65 DMU_OT_ZVOL_PROP, /* ZAP */ 66 /* other; for testing only! */ 67 DMU_OT_PLAIN_OTHER, /* UINT8 */ 68 DMU_OT_UINT64_OTHER, /* UINT64 */ 69 DMU_OT_ZAP_OTHER, /* ZAP */ 70 /* new object types: */ 71 DMU_OT_ERROR_LOG, /* ZAP */ 72 DMU_OT_SPA_HISTORY, /* UINT8 */ 73 DMU_OT_SPA_HISTORY_OFFSETS, /* spa_his_phys_t */ 74 DMU_OT_POOL_PROPS, /* ZAP */ 75 DMU_OT_DSL_PERMS, /* ZAP */ 76 DMU_OT_ACL, /* ACL */ 77 DMU_OT_SYSACL, /* SYSACL */ 78 DMU_OT_FUID, /* FUID table (Packed NVLIST UINT8) */ 79 DMU_OT_FUID_SIZE, /* FUID table size UINT64 */ 80 DMU_OT_NEXT_CLONES, /* ZAP */ 81 DMU_OT_SCRUB_QUEUE, /* ZAP */ 82 DMU_OT_USERGROUP_USED, /* ZAP */ 83 DMU_OT_USERGROUP_QUOTA, /* ZAP */ 84 DMU_OT_USERREFS, /* ZAP */ 85 DMU_OT_DDT_ZAP, /* ZAP */ 86 DMU_OT_DDT_STATS, /* ZAP */ 87 DMU_OT_SA, /* System attr */ 88 DMU_OT_SA_MASTER_NODE, /* ZAP */ 89 DMU_OT_SA_ATTR_REGISTRATION, /* ZAP */ 90 DMU_OT_SA_ATTR_LAYOUTS, /* ZAP */ 91 DMU_OT_NUMTYPES 92 } dmu_object_type_t; 93 94 typedef enum dmu_objset_type { 95 DMU_OST_NONE, 96 DMU_OST_META, 97 DMU_OST_ZFS, 98 DMU_OST_ZVOL, 99 DMU_OST_OTHER, /* For testing only! */ 100 DMU_OST_ANY, /* Be careful! */ 101 DMU_OST_NUMTYPES 102 } dmu_objset_type_t; 103 104 /* 105 * The names of zap entries in the DIRECTORY_OBJECT of the MOS. 106 */ 107 #define DMU_POOL_DIRECTORY_OBJECT 1 108 #define DMU_POOL_CONFIG "config" 109 #define DMU_POOL_ROOT_DATASET "root_dataset" 110 #define DMU_POOL_SYNC_BPLIST "sync_bplist" 111 #define DMU_POOL_ERRLOG_SCRUB "errlog_scrub" 112 #define DMU_POOL_ERRLOG_LAST "errlog_last" 113 #define DMU_POOL_SPARES "spares" 114 #define DMU_POOL_DEFLATE "deflate" 115 #define DMU_POOL_HISTORY "history" 116 #define DMU_POOL_PROPS "pool_props" 117 #define DMU_POOL_L2CACHE "l2cache" 118 119 #endif /* _SYS_DMU_H */ 120