Implement non-booting support for the DragonFly 64 bit disklabel:
[dragonfly.git] / sys / sys / disklabel.h
CommitLineData
984263bc 1/*
2b961883
MD
2 * Copyright (c) 2007 The DragonFly Project. All rights reserved.
3 *
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com>
6 *
984263bc
MD
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
2b961883 10 *
984263bc
MD
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
2b961883
MD
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
16 * distribution.
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
984263bc 32 * SUCH DAMAGE.
2b961883 33 *
0ffe40b3 34 * $DragonFly: src/sys/sys/disklabel.h,v 1.28 2007/06/19 02:53:52 dillon Exp $
2b961883
MD
35 */
36/*
37 * Disklabel abstraction
984263bc
MD
38 */
39
40#ifndef _SYS_DISKLABEL_H_
41#define _SYS_DISKLABEL_H_
42
1bd40720 43#ifndef _SYS_TYPES_H_
984263bc
MD
44#include <sys/types.h>
45#endif
2b961883
MD
46#ifndef _SYS_UUID_H_
47#include <sys/uuid.h>
1bd40720 48#endif
984263bc 49
2b961883
MD
50struct disklabel32;
51struct disklabel64;
984263bc 52
2b961883
MD
53typedef union abstracted_disklabel {
54 void *opaque;
55 struct disklabel32 *lab32;
56 struct disklabel64 *lab64;
57} disklabel_t;
984263bc 58
2b961883 59struct cdev;
ba0cc1ab
MD
60struct diskslice;
61struct diskslices;
62struct disk_info;
63
2b961883
MD
64struct disklabel_ops {
65 struct uuid type; /* uuid specifies disklabel type */
2b961883
MD
66 int labelsize; /* size of disklabel in bytes */
67
68 const char *(*op_readdisklabel)
69 (struct cdev *, struct diskslice *, disklabel_t *,
70 struct disk_info *);
71 int (*op_setdisklabel)
0ffe40b3
MD
72 (disklabel_t, disklabel_t, struct diskslices *,
73 struct diskslice *, u_int32_t *);
2b961883 74 int (*op_writedisklabel)
0ffe40b3
MD
75 (struct cdev *, struct diskslices *, struct diskslice *,
76 disklabel_t);
2b961883
MD
77 disklabel_t (*op_clone_label)
78 (struct disk_info *, struct diskslice *);
79 void (*op_adjust_label_reserved)
80 (struct diskslices *, int, struct diskslice *);
81 int (*op_getpartbounds)
0ffe40b3
MD
82 (struct diskslices *, disklabel_t, u_int32_t,
83 u_int64_t *, u_int64_t *);
2b961883
MD
84 int (*op_getpartfstype)
85 (disklabel_t, u_int32_t);
86 u_int32_t (*op_getnumparts)
87 (disklabel_t);
88 void (*op_makevirginlabel)
89 (disklabel_t, struct diskslices *,
90 struct diskslice *, struct disk_info *);
91};
984263bc 92
0ffe40b3
MD
93typedef struct disklabel_ops *disklabel_ops_t;
94
984263bc 95#endif /* !_SYS_DISKLABEL_H_ */
2b961883 96