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      1 /*	$NetBSD: nfs_kdtrace.h,v 1.1.1.2 2016/11/18 07:49:11 pgoyette Exp $	*/
      2 /*-
      3  * Copyright (c) 2009 Robert N. M. Watson
      4  * All rights reserved.
      5  *
      6  * This software was developed at the University of Cambridge Computer
      7  * Laboratory with support from a grant from Google, Inc.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28  * SUCH DAMAGE.
     29  *
     30  * FreeBSD: head/sys/fs/nfsclient/nfs_kdtrace.h 258667 2013-11-26 22:41:40Z pluknet
     31  * $NetBSD: nfs_kdtrace.h,v 1.1.1.2 2016/11/18 07:49:11 pgoyette Exp $
     32  */
     33 
     34 #ifndef _NFSCL_NFS_KDTRACE_H_
     35 #define	_NFSCL_NFS_KDTRACE_H_
     36 
     37 /*
     38  * Definitions for NFS access cache probes.
     39  */
     40 extern uint32_t	nfscl_accesscache_flush_done_id;
     41 extern uint32_t	nfscl_accesscache_get_hit_id;
     42 extern uint32_t	nfscl_accesscache_get_miss_id;
     43 extern uint32_t	nfscl_accesscache_load_done_id;
     44 
     45 /*
     46  * Definitions for NFS attribute cache probes.
     47  */
     48 extern uint32_t	nfscl_attrcache_flush_done_id;
     49 extern uint32_t	nfscl_attrcache_get_hit_id;
     50 extern uint32_t	nfscl_attrcache_get_miss_id;
     51 extern uint32_t	nfscl_attrcache_load_done_id;
     52 
     53 #ifdef KDTRACE_HOOKS
     54 #include <sys/dtrace_bsd.h>
     55 
     56 #define	KDTRACE_NFS_ACCESSCACHE_FLUSH_DONE(vp)	do {			\
     57 	if (dtrace_nfscl_accesscache_flush_done_probe != NULL)		\
     58 		(dtrace_nfscl_accesscache_flush_done_probe)(		\
     59 		    nfscl_accesscache_flush_done_id, (vp));		\
     60 } while (0)
     61 
     62 #define	KDTRACE_NFS_ACCESSCACHE_GET_HIT(vp, uid, mode)	do {		\
     63 	if (dtrace_nfscl_accesscache_get_hit_probe != NULL)		\
     64 		(dtrace_nfscl_accesscache_get_hit_probe)(		\
     65 		    nfscl_accesscache_get_hit_id, (vp), (uid),		\
     66 		    (mode));						\
     67 } while (0)
     68 
     69 #define	KDTRACE_NFS_ACCESSCACHE_GET_MISS(vp, uid, mode)	do {		\
     70 	if (dtrace_nfscl_accesscache_get_miss_probe != NULL)		\
     71 		(dtrace_nfscl_accesscache_get_miss_probe)(		\
     72 		    nfscl_accesscache_get_miss_id, (vp), (uid),		\
     73 		    (mode));						\
     74 } while (0)
     75 
     76 #define	KDTRACE_NFS_ACCESSCACHE_LOAD_DONE(vp, uid, rmode, error) do {	\
     77 	if (dtrace_nfscl_accesscache_load_done_probe != NULL)		\
     78 		(dtrace_nfscl_accesscache_load_done_probe)(		\
     79 		    nfscl_accesscache_load_done_id, (vp), (uid),	\
     80 		    (rmode), (error));					\
     81 } while (0)
     82 
     83 #define	KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(vp)	do {			\
     84 	if (dtrace_nfscl_attrcache_flush_done_probe != NULL)		\
     85 		(dtrace_nfscl_attrcache_flush_done_probe)(		\
     86 		    nfscl_attrcache_flush_done_id, (vp));		\
     87 } while (0)
     88 
     89 #define	KDTRACE_NFS_ATTRCACHE_GET_HIT(vp, vap)	do {			\
     90 	if (dtrace_nfscl_attrcache_get_hit_probe != NULL)		\
     91 		(dtrace_nfscl_attrcache_get_hit_probe)(			\
     92 		    nfscl_attrcache_get_hit_id, (vp), (vap));		\
     93 } while (0)
     94 
     95 #define	KDTRACE_NFS_ATTRCACHE_GET_MISS(vp)	do {			\
     96 	if (dtrace_nfscl_attrcache_get_miss_probe != NULL)		\
     97 		(dtrace_nfscl_attrcache_get_miss_probe)(		\
     98 			    nfscl_attrcache_get_miss_id, (vp));		\
     99 } while (0)
    100 
    101 #define	KDTRACE_NFS_ATTRCACHE_LOAD_DONE(vp, vap, error)	do {		\
    102 	if (dtrace_nfscl_attrcache_load_done_probe != NULL)		\
    103 		(dtrace_nfscl_attrcache_load_done_probe)(		\
    104 		    nfscl_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 /* !_NFSCL_NFS_KDTRACE_H_ */
    123