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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  */
41 extern uint32_t nfsclient_accesscache_flush_done_id;
42 extern uint32_t nfsclient_accesscache_get_hit_id;
43 extern uint32_t nfsclient_accesscache_get_miss_id;
44 extern 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  */
76 extern uint32_t nfsclient_attrcache_flush_done_id;
77 extern uint32_t nfsclient_attrcache_get_hit_id;
78 extern uint32_t nfsclient_attrcache_get_miss_id;
79 extern 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_ */