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1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  *  GRUB  --  GRand Unified Bootloader
4  *  Copyright (C) 1999,2000,2001,2002,2003,2004  Free Software Foundation, Inc.
5  */
6 /*
7  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
8  * Use is subject to license terms.
9  */
10 
11 #ifndef	_SYS_DMU_H
12 #define	_SYS_DMU_H
13 
14 /*
15  * This file describes the interface that the DMU provides for its
16  * consumers.
17  *
18  * The DMU also interacts with the SPA.  That interface is described in
19  * dmu_spa.h.
20  */
21 typedef enum dmu_object_type {
22 	DMU_OT_NONE,
23 	/* general: */
24 	DMU_OT_OBJECT_DIRECTORY,	/* ZAP */
25 	DMU_OT_OBJECT_ARRAY,		/* UINT64 */
26 	DMU_OT_PACKED_NVLIST,		/* UINT8 (XDR by nvlist_pack/unpack) */
27 	DMU_OT_PACKED_NVLIST_SIZE,	/* UINT64 */
28 	DMU_OT_BPLIST,			/* UINT64 */
29 	DMU_OT_BPLIST_HDR,		/* UINT64 */
30 	/* spa: */
31 	DMU_OT_SPACE_MAP_HEADER,	/* UINT64 */
32 	DMU_OT_SPACE_MAP,		/* UINT64 */
33 	/* zil: */
34 	DMU_OT_INTENT_LOG,		/* UINT64 */
35 	/* dmu: */
36 	DMU_OT_DNODE,			/* DNODE */
37 	DMU_OT_OBJSET,			/* OBJSET */
38 	/* dsl: */
39 	DMU_OT_DSL_DIR,			/* UINT64 */
40 	DMU_OT_DSL_DIR_CHILD_MAP,	/* ZAP */
41 	DMU_OT_DSL_DS_SNAP_MAP,		/* ZAP */
42 	DMU_OT_DSL_PROPS,		/* ZAP */
43 	DMU_OT_DSL_DATASET,		/* UINT64 */
44 	/* zpl: */
45 	DMU_OT_ZNODE,			/* ZNODE */
46 	DMU_OT_OLDACL,			/* OLD ACL */
47 	DMU_OT_PLAIN_FILE_CONTENTS,	/* UINT8 */
48 	DMU_OT_DIRECTORY_CONTENTS,	/* ZAP */
49 	DMU_OT_MASTER_NODE,		/* ZAP */
50 	DMU_OT_UNLINKED_SET,		/* ZAP */
51 	/* zvol: */
52 	DMU_OT_ZVOL,			/* UINT8 */
53 	DMU_OT_ZVOL_PROP,		/* ZAP */
54 	/* other; for testing only! */
55 	DMU_OT_PLAIN_OTHER,		/* UINT8 */
56 	DMU_OT_UINT64_OTHER,		/* UINT64 */
57 	DMU_OT_ZAP_OTHER,		/* ZAP */
58 	/* new object types: */
59 	DMU_OT_ERROR_LOG,		/* ZAP */
60 	DMU_OT_SPA_HISTORY,		/* UINT8 */
61 	DMU_OT_SPA_HISTORY_OFFSETS,	/* spa_his_phys_t */
62 	DMU_OT_POOL_PROPS,		/* ZAP */
63 	DMU_OT_DSL_PERMS,		/* ZAP */
64 	DMU_OT_ACL,			/* ACL */
65 	DMU_OT_SYSACL,			/* SYSACL */
66 	DMU_OT_FUID,			/* FUID table (Packed NVLIST UINT8) */
67 	DMU_OT_FUID_SIZE,		/* FUID table size UINT64 */
68 	DMU_OT_NEXT_CLONES,		/* ZAP */
69 	DMU_OT_SCRUB_QUEUE,		/* ZAP */
70 	DMU_OT_USERGROUP_USED,		/* ZAP */
71 	DMU_OT_USERGROUP_QUOTA,		/* ZAP */
72 	DMU_OT_USERREFS,		/* ZAP */
73 	DMU_OT_DDT_ZAP,			/* ZAP */
74 	DMU_OT_DDT_STATS,		/* ZAP */
75 	DMU_OT_SA,			/* System attr */
76 	DMU_OT_SA_MASTER_NODE,		/* ZAP */
77 	DMU_OT_SA_ATTR_REGISTRATION,	/* ZAP */
78 	DMU_OT_SA_ATTR_LAYOUTS,		/* ZAP */
79 	DMU_OT_NUMTYPES
80 } dmu_object_type_t;
81 
82 typedef enum dmu_objset_type {
83 	DMU_OST_NONE,
84 	DMU_OST_META,
85 	DMU_OST_ZFS,
86 	DMU_OST_ZVOL,
87 	DMU_OST_OTHER,			/* For testing only! */
88 	DMU_OST_ANY,			/* Be careful! */
89 	DMU_OST_NUMTYPES
90 } dmu_objset_type_t;
91 
92 /*
93  * The names of zap entries in the DIRECTORY_OBJECT of the MOS.
94  */
95 #define	DMU_POOL_DIRECTORY_OBJECT	1
96 #define	DMU_POOL_CONFIG			"config"
97 #define	DMU_POOL_ROOT_DATASET		"root_dataset"
98 #define	DMU_POOL_SYNC_BPLIST		"sync_bplist"
99 #define	DMU_POOL_ERRLOG_SCRUB		"errlog_scrub"
100 #define	DMU_POOL_ERRLOG_LAST		"errlog_last"
101 #define	DMU_POOL_SPARES			"spares"
102 #define	DMU_POOL_DEFLATE		"deflate"
103 #define	DMU_POOL_HISTORY		"history"
104 #define	DMU_POOL_PROPS			"pool_props"
105 #define	DMU_POOL_L2CACHE		"l2cache"
106 
107 #endif	/* _SYS_DMU_H */
108