2 * Copyright (c) 2012 Andriy Gapon <avg@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
31 #ifdef LOADER_GELI_SUPPORT
32 #include <crypto/intake.h>
35 #ifndef _BOOT_LIBZFS_H_
36 #define _BOOT_LIBZFS_H_
38 #define ZFS_MAXNAMELEN 256
41 * ZFS fully-qualified device descriptor.
44 struct devdesc dd; /* Must be first. */
49 /* nvp implementation version */
52 /* nvlist persistent unique name flags, stored in nvl_nvflags */
53 #define NV_UNIQUE_NAME 0x1
54 #define NV_UNIQUE_NAME_TYPE 0x2
56 #define NV_ALIGN4(x) (((x) + 3) & ~3)
60 * nvlist has 4 bytes header followed by version and flags, then nvpairs
61 * and the list is terminated by double zero.
71 nvs_header_t nv_header;
80 * nvpair has encoded and decoded size
81 * name string (size and data)
82 * data type and number of elements
86 unsigned encoded_size;
87 unsigned decoded_size;
96 nvp_header_t nvl_pair;
101 uint8_t nv_data[]; /* NV_ALIGN4(string) */
105 unsigned nv_type; /* data_type_t */
106 unsigned nv_nelem; /* number of elements */
107 uint8_t nv_data[]; /* data stream */
110 nvlist_t *nvlist_create(int);
111 void nvlist_destroy(nvlist_t *);
112 nvlist_t *nvlist_import(const uint8_t *, char, char);
113 int nvlist_remove(nvlist_t *, const char *, data_type_t);
114 void nvlist_print(nvlist_t *, unsigned int);
115 int nvlist_find(const nvlist_t *, const char *, data_type_t,
116 int *, void *, int *);
117 int nvlist_next(nvlist_t *);
119 int zfs_parsedev(struct zfs_devdesc *dev, const char *devspec,
121 char *zfs_fmtdev(void *vdev);
122 int zfs_nextboot(void *vdev, char *buf, size_t size);
123 int zfs_probe_dev(const char *devname, uint64_t *pool_guid);
124 int zfs_list(const char *name);
125 uint64_t ldi_get_size(void *);
126 void init_zfs_bootenv(const char *currdev);
127 int zfs_bootenv(const char *name);
128 int zfs_belist_add(const char *name, uint64_t __unused);
129 int zfs_set_env(void);
131 extern struct devsw zfs_dev;
132 extern struct fs_ops zfs_fsops;
134 #endif /*_BOOT_LIBZFS_H_*/