g_nop.h revision 132877 
1163854Sjulian/*-
2163854Sjulian * Copyright (c) 2004 Pawel Jakub Dawidek <pjd@FreeBSD.org>
3163854Sjulian * All rights reserved.
4163854Sjulian *
5163854Sjulian * Redistribution and use in source and binary forms, with or without
6163854Sjulian * modification, are permitted provided that the following conditions
7163854Sjulian * are met:
8163854Sjulian * 1. Redistributions of source code must retain the above copyright
9163854Sjulian *    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 AUTHORS 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 AUTHORS 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: head/sys/geom/nop/g_nop.h 132877 2004-07-30 08:19:22Z pjd $
27 */
28
29#ifndef	_G_NOP_H_
30#define	_G_NOP_H_
31
32#define	G_NOP_CLASS_NAME	"NOP"
33#define	G_NOP_VERSION		3
34#define	G_NOP_SUFFIX		".nop"
35
36#ifdef _KERNEL
37#define	G_NOP_DEBUG(lvl, ...)	do {					\
38	if (g_nop_debug >= (lvl)) {					\
39		printf("GEOM_NOP");					\
40		if (g_nop_debug > 0)					\
41			printf("[%u]", lvl);				\
42		printf(": ");						\
43		printf(__VA_ARGS__);					\
44		printf("\n");						\
45	}								\
46} while (0)
47#define	G_NOP_LOGREQ(bp, ...)	do {					\
48	if (g_nop_debug >= 2) {						\
49		printf("GEOM_NOP[2]: ");				\
50		printf(__VA_ARGS__);					\
51		printf(" ");						\
52		g_print_bio(bp);					\
53		printf("\n");						\
54	}								\
55} while (0)
56
57struct g_nop_softc {
58	off_t	sc_offset;
59	u_int	sc_failprob;
60};
61#endif	/* _KERNEL */
62
63#endif	/* _G_NOP_H_ */
64