xref: /freebsd/sys/contrib/openzfs/include/libzfsbootenv.h (revision 02e9120893770924227138ba49df1edb3896112a)
1 /*
2  * This file and its contents are supplied under the terms of the
3  * Common Development and Distribution License ("CDDL"), version 1.0.
4  * You may only use this file in accordance with the terms of version
5  * 1.0 of the CDDL.
6  *
7  * A full copy of the text of the CDDL should have accompanied this
8  * source.  A copy of the CDDL is also available via the Internet at
9  * http://www.illumos.org/license/CDDL.
10  */
11 
12 /*
13  * Copyright 2020 Toomas Soome <tsoome@me.com>
14  */
15 
16 #ifndef _LIBZFSBOOTENV_H
17 #define	_LIBZFSBOOTENV_H extern __attribute__((visibility("default")))
18 
19 #ifdef __cplusplus
20 extern "C" {
21 #endif
22 
23 typedef enum lzbe_flags {
24 	lzbe_add,	/* add data to existing nvlist */
25 	lzbe_replace	/* replace current nvlist */
26 } lzbe_flags_t;
27 
28 _LIBZFSBOOTENV_H int lzbe_nvlist_get(const char *, const char *, void **);
29 _LIBZFSBOOTENV_H int lzbe_nvlist_set(const char *, const char *, void *);
30 _LIBZFSBOOTENV_H void lzbe_nvlist_free(void *);
31 _LIBZFSBOOTENV_H int lzbe_add_pair(void *, const char *, const char *, void *,
32     size_t);
33 _LIBZFSBOOTENV_H int lzbe_remove_pair(void *, const char *);
34 _LIBZFSBOOTENV_H int lzbe_set_boot_device(const char *, lzbe_flags_t,
35     const char *);
36 _LIBZFSBOOTENV_H int lzbe_get_boot_device(const char *, char **);
37 _LIBZFSBOOTENV_H int lzbe_bootenv_print(const char *, const char *, FILE *);
38 
39 #ifdef __cplusplus
40 }
41 #endif
42 
43 #endif /* _LIBZFSBOOTENV_H */
44