1/*-
2 * Copyright (c) 2010 Edward Tomasz Napierala <trasz@FreeBSD.org>
3 * Copyright (c) 2004-2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD$
28 */
29
30#ifndef	_G_MOUNTVER_H_
31#define	_G_MOUNTVER_H_
32
33#define	G_MOUNTVER_CLASS_NAME	"MOUNTVER"
34#define	G_MOUNTVER_VERSION	4
35#define	G_MOUNTVER_SUFFIX	".mountver"
36
37#ifdef _KERNEL
38
39#define	G_MOUNTVER_DEBUG(lvl, ...)	do {				\
40	if (g_mountver_debug >= (lvl)) {				\
41		printf("GEOM_MOUNTVER");				\
42		if (g_mountver_debug > 0)				\
43			printf("[%u]", lvl);				\
44		printf(": ");						\
45		printf(__VA_ARGS__);					\
46		printf("\n");						\
47	}								\
48} while (0)
49#define	G_MOUNTVER_LOGREQ(bp, ...)	do {				\
50	if (g_mountver_debug >= 2) {					\
51		printf("GEOM_MOUNTVER[2]: ");				\
52		printf(__VA_ARGS__);					\
53		printf(" ");						\
54		g_print_bio(bp);					\
55		printf("\n");						\
56	}								\
57} while (0)
58
59struct g_mountver_softc {
60	TAILQ_HEAD(, bio)		sc_queue;
61	struct mtx			sc_mtx;
62	char				*sc_provider_name;
63	char				sc_ident[DISK_IDENT_SIZE];
64	int				sc_orphaned;
65	int				sc_access_r;
66	int				sc_access_w;
67	int				sc_access_e;
68};
69#endif	/* _KERNEL */
70
71#endif	/* _G_MOUNTVER_H_ */
72