1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   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, 2014 by Delphix. All rights reserved.
  25  * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
  26  * Copyright (c) 2013, Joyent, Inc. All rights reserved.
  27  * Copyright 2015 RackTop Systems.
  28  */
  29 
  30 #ifndef _DMU_SEND_H
  31 #define _DMU_SEND_H
  32 
  33 #include <sys/inttypes.h>
  34 #include <sys/spa.h>
  35 
  36 struct vnode;
  37 struct dsl_dataset;
  38 struct drr_begin;
  39 struct avl_tree;
  40 struct dmu_replay_record;
  41 
  42 extern const char *recv_clone_name;
  43 
  44 int dmu_send(const char *tosnap, const char *fromsnap, boolean_t embedok,
  45     boolean_t large_block_ok, int outfd, uint64_t resumeobj, uint64_t resumeoff,
  46     boolean_t skip_free, struct vnode *vp, offset_t *off);
  47 int dmu_send_estimate(struct dsl_dataset *ds, struct dsl_dataset *fromds,
  48     uint64_t *sizep);
  49 int dmu_send_estimate_from_txg(struct dsl_dataset *ds, uint64_t fromtxg,
  50     uint64_t *sizep);
  51 int dmu_send_obj(const char *pool, uint64_t tosnap, uint64_t fromsnap,
  52     boolean_t embedok, boolean_t large_block_ok,
  53     int outfd, boolean_t skip_free, struct vnode *vp, offset_t *off);
  54 
  55 typedef struct dmu_recv_cookie {
  56         struct dsl_dataset *drc_ds;
  57         struct dmu_replay_record *drc_drr_begin;
  58         struct drr_begin *drc_drrb;
  59         const char *drc_tofs;
  60         const char *drc_tosnap;
  61         boolean_t drc_newfs;
  62         boolean_t drc_byteswap;
  63         boolean_t drc_force;
  64         boolean_t drc_resumable;
  65         struct avl_tree *drc_guid_to_ds_map;
  66         zio_cksum_t drc_cksum;
  67         uint64_t drc_newsnapobj;
  68         void *drc_owner;
  69         cred_t *drc_cred;
  70 } dmu_recv_cookie_t;
  71 
  72 int dmu_recv_begin(char *tofs, char *tosnap,
  73     struct dmu_replay_record *drr_begin,
  74     boolean_t force, boolean_t resumable, char *origin, dmu_recv_cookie_t *drc);
  75 int dmu_recv_stream(dmu_recv_cookie_t *drc, struct vnode *vp, offset_t *voffp,
  76     int cleanup_fd, uint64_t *action_handlep);
  77 int dmu_recv_end(dmu_recv_cookie_t *drc, void *owner);
  78 boolean_t dmu_objset_is_receiving(objset_t *os);
  79 
  80 #endif /* _DMU_SEND_H */