g_nop.h revision 293738 
1/*-
2 * Copyright (c) 2004-2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
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 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: stable/10/sys/geom/nop/g_nop.h 293738 2016-01-12 09:27:01Z trasz $
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		4
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, ...)	G_NOP_LOGREQLVL(2, bp, __VA_ARGS__)
48#define G_NOP_LOGREQLVL(lvl, bp, ...) do {				\
49	if (g_nop_debug >= (lvl)) {					\
50		printf("GEOM_NOP[%d]: ", (lvl));			\
51		printf(__VA_ARGS__);					\
52		printf(" ");						\
53		g_print_bio(bp);					\
54		printf("\n");						\
55	}								\
56} while (0)
57
58struct g_nop_softc {
59	int		sc_error;
60	off_t		sc_offset;
61	off_t		sc_explicitsize;
62	off_t		sc_stripesize;
63	off_t		sc_stripeoffset;
64	u_int		sc_rfailprob;
65	u_int		sc_wfailprob;
66	uintmax_t	sc_reads;
67	uintmax_t	sc_writes;
68	uintmax_t	sc_deletes;
69	uintmax_t	sc_getattrs;
70	uintmax_t	sc_flushes;
71	uintmax_t	sc_cmd0s;
72	uintmax_t	sc_cmd1s;
73	uintmax_t	sc_cmd2s;
74	uintmax_t	sc_readbytes;
75	uintmax_t	sc_wrotebytes;
76	struct mtx	sc_lock;
77};
78#endif	/* _KERNEL */
79
80#endif	/* _G_NOP_H_ */
81