dmu_send.h revision 290756 
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 */
28
29#ifndef _DMU_SEND_H
30#define	_DMU_SEND_H
31
32#include <sys/spa.h>
33
34struct vnode;
35struct dsl_dataset;
36struct drr_begin;
37struct avl_tree;
38struct dmu_replay_record;
39
40extern const char *recv_clone_name;
41
42int dmu_send(const char *tosnap, const char *fromsnap, boolean_t embedok,
43    boolean_t large_block_ok, int outfd, uint64_t resumeobj, uint64_t resumeoff,
44#ifdef illumos
45    struct vnode *vp, offset_t *off);
46#else
47    struct file *fp, offset_t *off);
48#endif
49int dmu_send_estimate(struct dsl_dataset *ds, struct dsl_dataset *fromds,
50    uint64_t *sizep);
51int dmu_send_estimate_from_txg(struct dsl_dataset *ds, uint64_t fromtxg,
52    uint64_t *sizep);
53int dmu_send_obj(const char *pool, uint64_t tosnap, uint64_t fromsnap,
54    boolean_t embedok, boolean_t large_block_ok,
55#ifdef illumos
56    int outfd, struct vnode *vp, offset_t *off);
57#else
58    int outfd, struct file *fp, offset_t *off);
59#endif
60
61typedef struct dmu_recv_cookie {
62	struct dsl_dataset *drc_ds;
63	struct dmu_replay_record *drc_drr_begin;
64	struct drr_begin *drc_drrb;
65	const char *drc_tofs;
66	const char *drc_tosnap;
67	boolean_t drc_newfs;
68	boolean_t drc_byteswap;
69	boolean_t drc_force;
70	boolean_t drc_resumable;
71	struct avl_tree *drc_guid_to_ds_map;
72	zio_cksum_t drc_cksum;
73	uint64_t drc_newsnapobj;
74	void *drc_owner;
75	cred_t *drc_cred;
76} dmu_recv_cookie_t;
77
78int dmu_recv_begin(char *tofs, char *tosnap,
79    struct dmu_replay_record *drr_begin,
80    boolean_t force, boolean_t resumable, char *origin, dmu_recv_cookie_t *drc);
81#ifdef illumos
82int dmu_recv_stream(dmu_recv_cookie_t *drc, struct vnode *vp, offset_t *voffp,
83#else
84int dmu_recv_stream(dmu_recv_cookie_t *drc, struct file *fp, offset_t *voffp,
85#endif
86    int cleanup_fd, uint64_t *action_handlep);
87int dmu_recv_end(dmu_recv_cookie_t *drc, void *owner);
88boolean_t dmu_objset_is_receiving(objset_t *os);
89
90#endif /* _DMU_SEND_H */
91