xref: /freebsd/stand/libsa/zfs/libzfs.h (revision 1dfcff294e44d4b45813288ef4095c36abb22f0e)
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  * $FreeBSD$
27  */
28 
29 #ifndef _BOOT_LIBZFS_H_
30 #define _BOOT_LIBZFS_H_
31 
32 #include <zfsimpl.h>
33 
34 #ifdef LOADER_GELI_SUPPORT
35 #include <crypto/intake.h>
36 #endif
37 
38 #include "nvlist.h"
39 
40 #define	ZFS_MAXNAMELEN	256
41 
42 /*
43  * ZFS fully-qualified device descriptor.
44  */
45 struct zfs_devdesc {
46 	struct devdesc	dd;		/* Must be first. */
47 	uint64_t	pool_guid;
48 	uint64_t	root_guid;
49 };
50 
51 int	zfs_parsedev(struct zfs_devdesc *dev, const char *devspec,
52 		     const char **path);
53 char	*zfs_fmtdev(void *vdev);
54 int	zfs_probe_dev(const char *devname, uint64_t *pool_guid);
55 int	zfs_list(const char *name);
56 int	zfs_get_bootonce(void *, const char *, char *, size_t);
57 int	zfs_get_bootenv(void *, nvlist_t **);
58 int	zfs_set_bootenv(void *, nvlist_t *);
59 int	zfs_attach_nvstore(void *);
60 uint64_t ldi_get_size(void *);
61 void	init_zfs_boot_options(const char *currdev);
62 
63 int	zfs_bootenv(const char *name);
64 int	zfs_attach_nvstore(void *);
65 int	zfs_belist_add(const char *name, uint64_t __unused);
66 int	zfs_set_env(void);
67 
68 nvlist_t *vdev_read_bootenv(vdev_t *);
69 
70 extern struct devsw zfs_dev;
71 extern struct fs_ops zfs_fsops;
72 
73 #endif /*_BOOT_LIBZFS_H_*/
74