xref: /titanic_41/usr/src/cmd/boot/installboot/installboot.h (revision 4f4499478f0aa55fc93bcd8030ba3d128663ae70)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
23  * Copyright 2012 Nexenta Systems, Inc. All rights reserved.
24  */
25 
26 #ifndef	_INSTALLBOOT_H
27 #define	_INSTALLBOOT_H
28 
29 #ifdef	__cplusplus
30 extern "C" {
31 #endif
32 
33 #include <sys/multiboot.h>
34 #include <sys/types.h>
35 
36 enum ib_fs_types {
37 	TARGET_IS_UFS = 0,
38 	TARGET_IS_HSFS,
39 	TARGET_IS_ZFS
40 };
41 
42 typedef struct _ib_device {
43 	char	*path;
44 	int	fd;
45 	uint8_t	type;
46 } ib_device_t;
47 
48 typedef struct _ib_bootblock {
49 	char			*buf;
50 	char			*file;
51 	char			*extra;
52 	multiboot_header_t	*mboot;
53 	uint32_t		mboot_off;
54 	uint32_t		buf_size;
55 	uint32_t		file_size;
56 	uint32_t		extra_size;
57 } ib_bootblock_t;
58 
59 typedef struct _ib_data {
60 	ib_device_t	device;
61 	ib_bootblock_t	bootblock;
62 } ib_data_t;
63 
64 #define	is_zfs(type)	(type == TARGET_IS_ZFS)
65 
66 #define	BBLK_DATA_RSVD_SIZE	(15 * SECTOR_SIZE)
67 #define	BBLK_ZFS_EXTRA_OFF	(SECTOR_SIZE * 1024)
68 
69 #ifdef	__cplusplus
70 }
71 #endif
72 
73 #endif /* _INSTALLBOOT_H */
74