dmu_send.h revision 321535 
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, boolean_t compressok, int outfd,
45    uint64_t resumeobj, uint64_t resumeoff,
46#ifdef illumos
47    struct vnode *vp, offset_t *off);
48#else
49    struct file *fp, offset_t *off);
50#endif
51int dmu_send_estimate(struct dsl_dataset *ds, struct dsl_dataset *fromds,
52    boolean_t stream_compressed, uint64_t *sizep);
53int dmu_send_estimate_from_txg(struct dsl_dataset *ds, uint64_t fromtxg,
54    boolean_t stream_compressed, uint64_t *sizep);
55int dmu_send_obj(const char *pool, uint64_t tosnap, uint64_t fromsnap,
56    boolean_t embedok, boolean_t large_block_ok, boolean_t compressok,
57#ifdef illumos
58    int outfd, struct vnode *vp, offset_t *off);
59#else
60    int outfd, struct file *fp, offset_t *off);
61#endif
62
63typedef struct dmu_recv_cookie {
64	struct dsl_dataset *drc_ds;
65	struct dmu_replay_record *drc_drr_begin;
66	struct drr_begin *drc_drrb;
67	const char *drc_tofs;
68	const char *drc_tosnap;
69	boolean_t drc_newfs;
70	boolean_t drc_byteswap;
71	boolean_t drc_force;
72	boolean_t drc_resumable;
73	struct avl_tree *drc_guid_to_ds_map;
74	zio_cksum_t drc_cksum;
75	uint64_t drc_newsnapobj;
76	void *drc_owner;
77	cred_t *drc_cred;
78} dmu_recv_cookie_t;
79
80int dmu_recv_begin(char *tofs, char *tosnap,
81    struct dmu_replay_record *drr_begin,
82    boolean_t force, boolean_t resumable, char *origin, dmu_recv_cookie_t *drc);
83#ifdef illumos
84int dmu_recv_stream(dmu_recv_cookie_t *drc, struct vnode *vp, offset_t *voffp,
85#else
86int dmu_recv_stream(dmu_recv_cookie_t *drc, struct file *fp, offset_t *voffp,
87#endif
88    int cleanup_fd, uint64_t *action_handlep);
89int dmu_recv_end(dmu_recv_cookie_t *drc, void *owner);
90boolean_t dmu_objset_is_receiving(objset_t *os);
91
92#endif /* _DMU_SEND_H */
93