zfs/include/sys/dmu_send.h

   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/inttypes.h>
  33 #include <sys/spa.h>
  34
  35 struct vnode;
  36 struct dsl_dataset;
  37 struct drr_begin;
  38 struct avl_tree;
  39
  40 int dmu_send(const char *tosnap, const char *fromsnap,
  41     boolean_t embedok, boolean_t large_block_ok,
  42     int outfd, struct vnode *vp, offset_t *off);
  43 int dmu_send_estimate(struct dsl_dataset *ds, struct dsl_dataset *fromds,
  44     uint64_t *sizep);
  45 int dmu_send_estimate_from_txg(struct dsl_dataset *ds, uint64_t fromtxg,
  46     uint64_t *sizep);
  47 int dmu_send_obj(const char *pool, uint64_t tosnap, uint64_t fromsnap,
  48     boolean_t embedok, boolean_t large_block_ok,
  49     int outfd, struct vnode *vp, offset_t *off);
  50
  51 typedef struct dmu_recv_cookie {
  52         struct dsl_dataset *drc_ds;
  53         struct drr_begin *drc_drrb;
  54         const char *drc_tofs;
  55         const char *drc_tosnap;
  56         boolean_t drc_newfs;
  57         boolean_t drc_byteswap;
  58         boolean_t drc_force;
  59         struct avl_tree *drc_guid_to_ds_map;
  60         zio_cksum_t drc_cksum;
  61         uint64_t drc_newsnapobj;
  62         void *drc_owner;
  63         cred_t *drc_cred;
  64 } dmu_recv_cookie_t;
  65
  66 int dmu_recv_begin(char *tofs, char *tosnap, struct drr_begin *drrb,
  67     boolean_t force, char *origin, dmu_recv_cookie_t *drc);
  68 int dmu_recv_stream(dmu_recv_cookie_t *drc, struct vnode *vp, offset_t *voffp,
  69     int cleanup_fd, uint64_t *action_handlep);
  70 int dmu_recv_end(dmu_recv_cookie_t *drc, void *owner);
  71 boolean_t dmu_objset_is_receiving(objset_t *os);
  72
  73 #endif /* _DMU_SEND_H */