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, write to the Free Software
17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18  */
19 /*
20  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
21  * Use is subject to license terms.
22  */
23 
24 #ifndef	_SYS_DMU_H
25 #define	_SYS_DMU_H
26 
27 /*
28  * This file describes the interface that the DMU provides for its
29  * consumers.
30  *
31  * The DMU also interacts with the SPA.  That interface is described in
32  * dmu_spa.h.
33  */
34 typedef enum dmu_object_type {
35 	DMU_OT_NONE,
36 	/* general: */
37 	DMU_OT_OBJECT_DIRECTORY,	/* ZAP */
38 	DMU_OT_OBJECT_ARRAY,		/* UINT64 */
39 	DMU_OT_PACKED_NVLIST,		/* UINT8 (XDR by nvlist_pack/unpack) */
40 	DMU_OT_PACKED_NVLIST_SIZE,	/* UINT64 */
41 	DMU_OT_BPLIST,			/* UINT64 */
42 	DMU_OT_BPLIST_HDR,		/* UINT64 */
43 	/* spa: */
44 	DMU_OT_SPACE_MAP_HEADER,	/* UINT64 */
45 	DMU_OT_SPACE_MAP,		/* UINT64 */
46 	/* zil: */
47 	DMU_OT_INTENT_LOG,		/* UINT64 */
48 	/* dmu: */
49 	DMU_OT_DNODE,			/* DNODE */
50 	DMU_OT_OBJSET,			/* OBJSET */
51 	/* dsl: */
52 	DMU_OT_DSL_DIR,			/* UINT64 */
53 	DMU_OT_DSL_DIR_CHILD_MAP,	/* ZAP */
54 	DMU_OT_DSL_DS_SNAP_MAP,		/* ZAP */
55 	DMU_OT_DSL_PROPS,		/* ZAP */
56 	DMU_OT_DSL_DATASET,		/* UINT64 */
57 	/* zpl: */
58 	DMU_OT_ZNODE,			/* ZNODE */
59 	DMU_OT_OLDACL,			/* OLD ACL */
60 	DMU_OT_PLAIN_FILE_CONTENTS,	/* UINT8 */
61 	DMU_OT_DIRECTORY_CONTENTS,	/* ZAP */
62 	DMU_OT_MASTER_NODE,		/* ZAP */
63 	DMU_OT_UNLINKED_SET,		/* ZAP */
64 	/* zvol: */
65 	DMU_OT_ZVOL,			/* UINT8 */
66 	DMU_OT_ZVOL_PROP,		/* ZAP */
67 	/* other; for testing only! */
68 	DMU_OT_PLAIN_OTHER,		/* UINT8 */
69 	DMU_OT_UINT64_OTHER,		/* UINT64 */
70 	DMU_OT_ZAP_OTHER,		/* ZAP */
71 	/* new object types: */
72 	DMU_OT_ERROR_LOG,		/* ZAP */
73 	DMU_OT_SPA_HISTORY,		/* UINT8 */
74 	DMU_OT_SPA_HISTORY_OFFSETS,	/* spa_his_phys_t */
75 	DMU_OT_POOL_PROPS,		/* ZAP */
76 	DMU_OT_DSL_PERMS,		/* ZAP */
77 	DMU_OT_ACL,			/* ACL */
78 	DMU_OT_SYSACL,			/* SYSACL */
79 	DMU_OT_FUID,			/* FUID table (Packed NVLIST UINT8) */
80 	DMU_OT_FUID_SIZE,		/* FUID table size UINT64 */
81 	DMU_OT_NEXT_CLONES,		/* ZAP */
82 	DMU_OT_SCRUB_QUEUE,		/* ZAP */
83 	DMU_OT_USERGROUP_USED,		/* ZAP */
84 	DMU_OT_USERGROUP_QUOTA,		/* ZAP */
85 	DMU_OT_USERREFS,		/* ZAP */
86 	DMU_OT_DDT_ZAP,			/* ZAP */
87 	DMU_OT_DDT_STATS,		/* ZAP */
88 	DMU_OT_SA,			/* System attr */
89 	DMU_OT_SA_MASTER_NODE,		/* ZAP */
90 	DMU_OT_SA_ATTR_REGISTRATION,	/* ZAP */
91 	DMU_OT_SA_ATTR_LAYOUTS,		/* ZAP */
92 	DMU_OT_NUMTYPES
93 } dmu_object_type_t;
94 
95 typedef enum dmu_objset_type {
96 	DMU_OST_NONE,
97 	DMU_OST_META,
98 	DMU_OST_ZFS,
99 	DMU_OST_ZVOL,
100 	DMU_OST_OTHER,			/* For testing only! */
101 	DMU_OST_ANY,			/* Be careful! */
102 	DMU_OST_NUMTYPES
103 } dmu_objset_type_t;
104 
105 /*
106  * The names of zap entries in the DIRECTORY_OBJECT of the MOS.
107  */
108 #define	DMU_POOL_DIRECTORY_OBJECT	1
109 #define	DMU_POOL_CONFIG			"config"
110 #define	DMU_POOL_ROOT_DATASET		"root_dataset"
111 #define	DMU_POOL_SYNC_BPLIST		"sync_bplist"
112 #define	DMU_POOL_ERRLOG_SCRUB		"errlog_scrub"
113 #define	DMU_POOL_ERRLOG_LAST		"errlog_last"
114 #define	DMU_POOL_SPARES			"spares"
115 #define	DMU_POOL_DEFLATE		"deflate"
116 #define	DMU_POOL_HISTORY		"history"
117 #define	DMU_POOL_PROPS			"pool_props"
118 #define	DMU_POOL_L2CACHE		"l2cache"
119 
120 #endif	/* _SYS_DMU_H */
121