dmu_send.h revision 297112 
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
35struct vnode;
36struct dsl_dataset;
37struct drr_begin;
38struct avl_tree;
39struct dmu_replay_record;
40
41extern const char *recv_clone_name;
42
43int 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
50int dmu_send_estimate(struct dsl_dataset *ds, struct dsl_dataset *fromds,
51    uint64_t *sizep);
52int dmu_send_estimate_from_txg(struct dsl_dataset *ds, uint64_t fromtxg,
53    uint64_t *sizep);
54int 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
62typedef 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
79int 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
83int dmu_recv_stream(dmu_recv_cookie_t *drc, struct vnode *vp, offset_t *voffp,
84#else
85int dmu_recv_stream(dmu_recv_cookie_t *drc, struct file *fp, offset_t *voffp,
86#endif
87    int cleanup_fd, uint64_t *action_handlep);
88int dmu_recv_end(dmu_recv_cookie_t *drc, void *owner);
89boolean_t dmu_objset_is_receiving(objset_t *os);
90
91#endif /* _DMU_SEND_H */
92