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 _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