/*      $NetBSD: nfs_kdtrace.h,v 1.1.1.2 2016/11/18 07:49:11 pgoyette Exp $     */
/*-
* Copyright (c) 2009 Robert N. M. Watson
* All rights reserved.
*
* This software was developed at the University of Cambridge Computer
* Laboratory with support from a grant from Google, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* FreeBSD: head/sys/fs/nfsclient/nfs_kdtrace.h 258667 2013-11-26 22:41:40Z pluknet
* $NetBSD: nfs_kdtrace.h,v 1.1.1.2 2016/11/18 07:49:11 pgoyette Exp $
*/

#ifndef _NFSCL_NFS_KDTRACE_H_
#define _NFSCL_NFS_KDTRACE_H_

/*
* Definitions for NFS access cache probes.
*/
extern uint32_t nfscl_accesscache_flush_done_id;
extern uint32_t nfscl_accesscache_get_hit_id;
extern uint32_t nfscl_accesscache_get_miss_id;
extern uint32_t nfscl_accesscache_load_done_id;

/*
* Definitions for NFS attribute cache probes.
*/
extern uint32_t nfscl_attrcache_flush_done_id;
extern uint32_t nfscl_attrcache_get_hit_id;
extern uint32_t nfscl_attrcache_get_miss_id;
extern uint32_t nfscl_attrcache_load_done_id;

#ifdef KDTRACE_HOOKS
#include <sys/dtrace_bsd.h>

#define KDTRACE_NFS_ACCESSCACHE_FLUSH_DONE(vp)  do {                    \
       if (dtrace_nfscl_accesscache_flush_done_probe != NULL)          \
               (dtrace_nfscl_accesscache_flush_done_probe)(            \
                   nfscl_accesscache_flush_done_id, (vp));             \
} while (0)

#define KDTRACE_NFS_ACCESSCACHE_GET_HIT(vp, uid, mode)  do {            \
       if (dtrace_nfscl_accesscache_get_hit_probe != NULL)             \
               (dtrace_nfscl_accesscache_get_hit_probe)(               \
                   nfscl_accesscache_get_hit_id, (vp), (uid),          \
                   (mode));                                            \
} while (0)

#define KDTRACE_NFS_ACCESSCACHE_GET_MISS(vp, uid, mode) do {            \
       if (dtrace_nfscl_accesscache_get_miss_probe != NULL)            \
               (dtrace_nfscl_accesscache_get_miss_probe)(              \
                   nfscl_accesscache_get_miss_id, (vp), (uid),         \
                   (mode));                                            \
} while (0)

#define KDTRACE_NFS_ACCESSCACHE_LOAD_DONE(vp, uid, rmode, error) do {   \
       if (dtrace_nfscl_accesscache_load_done_probe != NULL)           \
               (dtrace_nfscl_accesscache_load_done_probe)(             \
                   nfscl_accesscache_load_done_id, (vp), (uid),        \
                   (rmode), (error));                                  \
} while (0)

#define KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(vp)    do {                    \
       if (dtrace_nfscl_attrcache_flush_done_probe != NULL)            \
               (dtrace_nfscl_attrcache_flush_done_probe)(              \
                   nfscl_attrcache_flush_done_id, (vp));               \
} while (0)

#define KDTRACE_NFS_ATTRCACHE_GET_HIT(vp, vap)  do {                    \
       if (dtrace_nfscl_attrcache_get_hit_probe != NULL)               \
               (dtrace_nfscl_attrcache_get_hit_probe)(                 \
                   nfscl_attrcache_get_hit_id, (vp), (vap));           \
} while (0)

#define KDTRACE_NFS_ATTRCACHE_GET_MISS(vp)      do {                    \
       if (dtrace_nfscl_attrcache_get_miss_probe != NULL)              \
               (dtrace_nfscl_attrcache_get_miss_probe)(                \
                           nfscl_attrcache_get_miss_id, (vp));         \
} while (0)

#define KDTRACE_NFS_ATTRCACHE_LOAD_DONE(vp, vap, error) do {            \
       if (dtrace_nfscl_attrcache_load_done_probe != NULL)             \
               (dtrace_nfscl_attrcache_load_done_probe)(               \
                   nfscl_attrcache_load_done_id, (vp), (vap),          \
                   (error));                                           \
} while (0)

#else /* !KDTRACE_HOOKS */

#define KDTRACE_NFS_ACCESSCACHE_FLUSH_DONE(vp)
#define KDTRACE_NFS_ACCESSCACHE_GET_HIT(vp, uid, mode)
#define KDTRACE_NFS_ACCESSCACHE_GET_MISS(vp, uid, mode)
#define KDTRACE_NFS_ACCESSCACHE_LOAD_DONE(vp, uid, rmode, error)

#define KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(vp)
#define KDTRACE_NFS_ATTRCACHE_GET_HIT(vp, vap)
#define KDTRACE_NFS_ATTRCACHE_GET_MISS(vp)
#define KDTRACE_NFS_ATTRCACHE_LOAD_DONE(vp, vap, error)

#endif /* KDTRACE_HOOKS */

#endif /* !_NFSCL_NFS_KDTRACE_H_ */

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