xref: /freebsd/stand/efi/include/efizfs.h (revision 3cbb4cc200f8a0ad7ed08233425ea54524a21f1c)
1 /*-
2  * Copyright (c) 2016 Eric McCorkle
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 #include <stdint.h>
30 #include <stdbool.h>
31 
32 #ifndef _EFIZFS_H_
33 #define _EFIZFS_H_
34 
35 #ifdef EFI_ZFS_BOOT
36 #include <libzfs.h>
37 
38 typedef STAILQ_HEAD(zfsinfo_list, zfsinfo) zfsinfo_list_t;
39 
40 typedef struct zfsinfo
41 {
42 	STAILQ_ENTRY(zfsinfo) zi_link;
43 	EFI_HANDLE zi_handle;
44         uint64_t zi_pool_guid;
45 } zfsinfo_t;
46 
47 extern uint64_t pool_guid;
48 
49 void efi_zfs_probe(void);
50 EFI_HANDLE efizfs_get_handle_by_guid(uint64_t);
51 bool efizfs_get_guid_by_handle(EFI_HANDLE, uint64_t *);
52 zfsinfo_list_t *efizfs_get_zfsinfo_list(void);
53 
54 #else
55 #define efi_zfs_probe NULL
56 #endif
57 
58 #endif
59