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      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 (c) 2014 Integros [integros.com]
     28  */
     29 
     30 #ifndef _DMU_SEND_H
     31 #define	_DMU_SEND_H
     32 
     33 #include <sys/spa.h>
     34 
     35 struct vnode;
     36 struct dsl_dataset;
     37 struct drr_begin;
     38 struct avl_tree;
     39 struct dmu_replay_record;
     40 
     41 extern const char *recv_clone_name;
     42 
     43 int dmu_send(const char *tosnap, const char *fromsnap, boolean_t embedok,
     44     boolean_t large_block_ok, int outfd, uint64_t resumeobj, uint64_t resumeoff,
     45 #ifdef illumos
     46     struct vnode *vp, offset_t *off);
     47 #else
     48     struct file *fp, offset_t *off);
     49 #endif
     50 int dmu_send_estimate(struct dsl_dataset *ds, struct dsl_dataset *fromds,
     51     uint64_t *sizep);
     52 int dmu_send_estimate_from_txg(struct dsl_dataset *ds, uint64_t fromtxg,
     53     uint64_t *sizep);
     54 int dmu_send_obj(const char *pool, uint64_t tosnap, uint64_t fromsnap,
     55     boolean_t embedok, boolean_t large_block_ok,
     56 #ifdef illumos
     57     int outfd, struct vnode *vp, offset_t *off);
     58 #else
     59     int outfd, struct file *fp, offset_t *off);
     60 #endif
     61 
     62 typedef struct dmu_recv_cookie {
     63 	struct dsl_dataset *drc_ds;
     64 	struct dmu_replay_record *drc_drr_begin;
     65 	struct drr_begin *drc_drrb;
     66 	const char *drc_tofs;
     67 	const char *drc_tosnap;
     68 	boolean_t drc_newfs;
     69 	boolean_t drc_byteswap;
     70 	boolean_t drc_force;
     71 	boolean_t drc_resumable;
     72 	struct avl_tree *drc_guid_to_ds_map;
     73 	zio_cksum_t drc_cksum;
     74 	uint64_t drc_newsnapobj;
     75 	void *drc_owner;
     76 	cred_t *drc_cred;
     77 } dmu_recv_cookie_t;
     78 
     79 int dmu_recv_begin(char *tofs, char *tosnap,
     80     struct dmu_replay_record *drr_begin,
     81     boolean_t force, boolean_t resumable, char *origin, dmu_recv_cookie_t *drc);
     82 #ifdef illumos
     83 int dmu_recv_stream(dmu_recv_cookie_t *drc, struct vnode *vp, offset_t *voffp,
     84 #else
     85 int dmu_recv_stream(dmu_recv_cookie_t *drc, struct file *fp, offset_t *voffp,
     86 #endif
     87     int cleanup_fd, uint64_t *action_handlep);
     88 int dmu_recv_end(dmu_recv_cookie_t *drc, void *owner);
     89 boolean_t dmu_objset_is_receiving(objset_t *os);
     90 
     91 #endif /* _DMU_SEND_H */
     92