/*
   *  GRUB  --  GRand Unified Bootloader
   *  Copyright (C) 1999,2000,2001,2002,2003,2004  Free Software Foundation, Inc.
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  /*
   * 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 */