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