libzfs.h revision 293802 
1/*-
2 * Copyright (c) 2012 Andriy Gapon <avg@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: stable/10/sys/boot/zfs/libzfs.h 293802 2016-01-13 01:50:02Z allanjude $
27 */
28
29#ifndef _BOOT_LIBZFS_H_
30#define _BOOT_LIBZFS_H_
31
32#define	ZFS_MAXNAMELEN	256
33
34/*
35 * ZFS fully-qualified device descriptor.
36 * Note, this must match the 'struct devdesc' declaration in bootstrap.h.
37 * Arch-specific device descriptors should be binary compatible with this
38 * structure if they are to support ZFS.
39 */
40struct zfs_devdesc
41{
42    struct devsw	*d_dev;
43    int			d_type;
44    int			d_unit;
45    void		*d_opendata;
46    uint64_t		pool_guid;
47    uint64_t		root_guid;
48};
49
50struct zfs_boot_args
51{
52    uint32_t		size;
53    uint32_t		reserved;
54    uint64_t		pool;
55    uint64_t		root;
56    uint64_t		primary_pool;
57    uint64_t		primary_vdev;
58};
59
60int	zfs_parsedev(struct zfs_devdesc *dev, const char *devspec,
61		     const char **path);
62char	*zfs_fmtdev(void *vdev);
63int	zfs_probe_dev(const char *devname, uint64_t *pool_guid);
64int	zfs_list(const char *name);
65int	zfs_bootenv(const char *name);
66int	zfs_belist_add(const char *name);
67int	zfs_set_env(void);
68
69extern struct devsw zfs_dev;
70extern struct fs_ops zfs_fsops;
71
72#endif /*_BOOT_LIBZFS_H_*/
73