5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 
  22 /*
  23  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  24  * Copyright (c) 2012 by Delphix. All rights reserved.
  25  * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
  26  * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  27  */
  28 
  29 /* Portions Copyright 2010 Robert Milkowski */
  30 
  31 #ifndef _SYS_DMU_H
  32 #define _SYS_DMU_H
  33 
  34 /*
  35  * This file describes the interface that the DMU provides for its
  36  * consumers.
  37  *
  38  * The DMU also interacts with the SPA.  That interface is described in
  39  * dmu_spa.h.
  40  */
  41 
  42 #include <sys/inttypes.h>
  43 #include <sys/types.h>
  44 #include <sys/param.h>
  45 #include <sys/cred.h>

 766 
 767 /*
 768  * Find the next hole or data block in file starting at *off
 769  * Return found offset in *off. Return ESRCH for end of file.
 770  */
 771 int dmu_offset_next(objset_t *os, uint64_t object, boolean_t hole,
 772     uint64_t *off);
 773 
 774 /*
 775  * Initial setup and final teardown.
 776  */
 777 extern void dmu_init(void);
 778 extern void dmu_fini(void);
 779 
 780 typedef void (*dmu_traverse_cb_t)(objset_t *os, void *arg, struct blkptr *bp,
 781     uint64_t object, uint64_t offset, int len);
 782 void dmu_traverse_objset(objset_t *os, uint64_t txg_start,
 783     dmu_traverse_cb_t cb, void *arg);
 784 
 785 int dmu_send(objset_t *tosnap, objset_t *fromsnap,
 786     int outfd, struct vnode *vp, offset_t *off);
 787 int dmu_send_estimate(objset_t *tosnap, objset_t *fromsnap, uint64_t *sizep);
 788 
 789 typedef struct dmu_recv_cookie {
 790         /*
 791          * This structure is opaque!
 792          *
 793          * If logical and real are different, we are recving the stream
 794          * into the "real" temporary clone, and then switching it with
 795          * the "logical" target.
 796          */
 797         struct dsl_dataset *drc_logical_ds;
 798         struct dsl_dataset *drc_real_ds;
 799         struct drr_begin *drc_drrb;
 800         char *drc_tosnap;
 801         char *drc_top_ds;
 802         boolean_t drc_newfs;
 803         boolean_t drc_force;
 804         struct avl_tree *drc_guid_to_ds_map;
 805 } dmu_recv_cookie_t;
 806 

   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 
  22 /*
  23  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  24  * Copyright (c) 2012 by Delphix. All rights reserved.
  25  * Copyright 2012 Nexenta Systems, Inc. All rights reserved.
  26  * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  27  */
  28 
  29 /* Portions Copyright 2010 Robert Milkowski */
  30 
  31 #ifndef _SYS_DMU_H
  32 #define _SYS_DMU_H
  33 
  34 /*
  35  * This file describes the interface that the DMU provides for its
  36  * consumers.
  37  *
  38  * The DMU also interacts with the SPA.  That interface is described in
  39  * dmu_spa.h.
  40  */
  41 
  42 #include <sys/inttypes.h>
  43 #include <sys/types.h>
  44 #include <sys/param.h>
  45 #include <sys/cred.h>

 766 
 767 /*
 768  * Find the next hole or data block in file starting at *off
 769  * Return found offset in *off. Return ESRCH for end of file.
 770  */
 771 int dmu_offset_next(objset_t *os, uint64_t object, boolean_t hole,
 772     uint64_t *off);
 773 
 774 /*
 775  * Initial setup and final teardown.
 776  */
 777 extern void dmu_init(void);
 778 extern void dmu_fini(void);
 779 
 780 typedef void (*dmu_traverse_cb_t)(objset_t *os, void *arg, struct blkptr *bp,
 781     uint64_t object, uint64_t offset, int len);
 782 void dmu_traverse_objset(objset_t *os, uint64_t txg_start,
 783     dmu_traverse_cb_t cb, void *arg);
 784 
 785 int dmu_send(objset_t *tosnap, objset_t *fromsnap,
 786     int outfd, struct vnode *vp, offset_t *off, boolean_t sendsize);
 787 int dmu_send_estimate(objset_t *tosnap, objset_t *fromsnap, uint64_t *sizep);
 788 
 789 typedef struct dmu_recv_cookie {
 790         /*
 791          * This structure is opaque!
 792          *
 793          * If logical and real are different, we are recving the stream
 794          * into the "real" temporary clone, and then switching it with
 795          * the "logical" target.
 796          */
 797         struct dsl_dataset *drc_logical_ds;
 798         struct dsl_dataset *drc_real_ds;
 799         struct drr_begin *drc_drrb;
 800         char *drc_tosnap;
 801         char *drc_top_ds;
 802         boolean_t drc_newfs;
 803         boolean_t drc_force;
 804         struct avl_tree *drc_guid_to_ds_map;
 805 } dmu_recv_cookie_t;
 806