1/*-
2 * Copyright (c) 2009 Robert N. M. Watson
3 * All rights reserved.
4 *
5 * This software was developed at the University of Cambridge Computer
6 * Laboratory with support from a grant from Google, Inc.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
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
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD$
30 */
31
32#ifndef _NFSCLIENT_NFS_KDTRACE_H_
33#define	_NFSCLIENT_NFS_KDTRACE_H_
34
35#ifdef KDTRACE_HOOKS
36#include <sys/dtrace_bsd.h>
37
38/*
39 * Definitions for NFS access cache probes.
40 */
41extern uint32_t nfsclient_accesscache_flush_done_id;
42extern uint32_t nfsclient_accesscache_get_hit_id;
43extern uint32_t nfsclient_accesscache_get_miss_id;
44extern uint32_t nfsclient_accesscache_load_done_id;
45
46#define	KDTRACE_NFS_ACCESSCACHE_FLUSH_DONE(vp)	do {			\
47	if (dtrace_nfsclient_accesscache_flush_done_probe != NULL)	\
48		(dtrace_nfsclient_accesscache_flush_done_probe)(	\
49		    nfsclient_accesscache_flush_done_id, (vp));		\
50} while (0)
51
52#define	KDTRACE_NFS_ACCESSCACHE_GET_HIT(vp, uid, mode)	do {		\
53	if (dtrace_nfsclient_accesscache_get_hit_probe != NULL)		\
54		(dtrace_nfsclient_accesscache_get_hit_probe)(		\
55		    nfsclient_accesscache_get_hit_id, (vp), (uid),	\
56		    (mode));						\
57} while (0)
58
59#define	KDTRACE_NFS_ACCESSCACHE_GET_MISS(vp, uid, mode)	do {		\
60	if (dtrace_nfsclient_accesscache_get_miss_probe != NULL)	\
61		(dtrace_nfsclient_accesscache_get_miss_probe)(		\
62		    nfsclient_accesscache_get_miss_id, (vp), (uid),	\
63		    (mode));						\
64} while (0)
65
66#define	KDTRACE_NFS_ACCESSCACHE_LOAD_DONE(vp, uid, rmode, error) do {	\
67	if (dtrace_nfsclient_accesscache_load_done_probe != NULL)	\
68		(dtrace_nfsclient_accesscache_load_done_probe)(		\
69		    nfsclient_accesscache_load_done_id, (vp), (uid),	\
70		    (rmode), (error));					\
71} while (0)
72
73/*
74 * Definitions for NFS attribute cache probes.
75 */
76extern uint32_t nfsclient_attrcache_flush_done_id;
77extern uint32_t nfsclient_attrcache_get_hit_id;
78extern uint32_t nfsclient_attrcache_get_miss_id;
79extern uint32_t nfsclient_attrcache_load_done_id;
80
81#define	KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(vp)	do {			\
82	if (dtrace_nfsclient_attrcache_flush_done_probe != NULL)	\
83		(dtrace_nfsclient_attrcache_flush_done_probe)(		\
84		    nfsclient_attrcache_flush_done_id, (vp));		\
85} while (0)
86
87#define	KDTRACE_NFS_ATTRCACHE_GET_HIT(vp, vap)	do {			\
88	if (dtrace_nfsclient_attrcache_get_hit_probe != NULL)		\
89		(dtrace_nfsclient_attrcache_get_hit_probe)(		\
90		    nfsclient_attrcache_get_hit_id, (vp), (vap));	\
91} while (0)
92
93#define	KDTRACE_NFS_ATTRCACHE_GET_MISS(vp)	do {			\
94	if (dtrace_nfsclient_attrcache_get_miss_probe != NULL)		\
95		(dtrace_nfsclient_attrcache_get_miss_probe)(		\
96			    nfsclient_attrcache_get_miss_id, (vp));	\
97} while (0)
98
99#define	KDTRACE_NFS_ATTRCACHE_LOAD_DONE(vp, vap, error)	do {		\
100	if (dtrace_nfsclient_attrcache_load_done_probe != NULL)		\
101		(dtrace_nfsclient_attrcache_load_done_probe)(		\
102		    nfsclient_attrcache_load_done_id, (vp), (vap),	\
103		    (error));						\
104} while (0)
105
106#else /* !KDTRACE_HOOKS */
107
108#define	KDTRACE_NFS_ACCESSCACHE_FLUSH_DONE(vp)
109#define	KDTRACE_NFS_ACCESSCACHE_GET_HIT(vp, uid, mode)
110#define	KDTRACE_NFS_ACCESSCACHE_GET_MISS(vp, uid, mode)
111#define	KDTRACE_NFS_ACCESSCACHE_LOAD_DONE(vp, uid, rmode, error)
112
113#define	KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(vp)
114#define	KDTRACE_NFS_ATTRCACHE_GET_HIT(vp, vap)
115#define	KDTRACE_NFS_ATTRCACHE_GET_MISS(vp)
116#define	KDTRACE_NFS_ATTRCACHE_LOAD_DONE(vp, vap, error)
117
118#endif /* KDTRACE_HOOKS */
119
120#endif /* !_NFSCLIENT_NFS_KDTRACE_H_ */
121