2 * Copyright (c) 2007-2008 John Birrell (jb@freebsd.org)
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * This file contains BSD shims for Sun's DTrace code.
31 #ifndef _SYS_DTRACE_BSD_H
32 #define _SYS_DTRACE_BSD_H
34 /* Forward definitions: */
43 * Cyclic clock function type definition used to hook the cyclic
44 * subsystem into the appropriate timer interrupt.
46 typedef void (*cyclic_clock_func_t)(struct trapframe *);
47 extern cyclic_clock_func_t cyclic_clock_func;
49 void clocksource_cyc_set(const struct bintime *t);
52 * The dtrace module handles traps that occur during a DTrace probe.
53 * This type definition is used in the trap handler to provide a
54 * hook for the dtrace module to register it's handler with.
56 typedef int (*dtrace_trap_func_t)(struct trapframe *, u_int);
58 int dtrace_trap(struct trapframe *, u_int);
60 extern dtrace_trap_func_t dtrace_trap_func;
62 /* Used by the machine dependent trap() code. */
63 typedef int (*dtrace_invop_func_t)(uintptr_t, uintptr_t *, uintptr_t);
64 typedef void (*dtrace_doubletrap_func_t)(void);
66 /* Global variables in trap.c */
67 extern dtrace_invop_func_t dtrace_invop_func;
68 extern dtrace_doubletrap_func_t dtrace_doubletrap_func;
70 /* Pid provider hooks */
71 typedef int (*dtrace_pid_probe_ptr_t)(struct reg *);
72 extern dtrace_pid_probe_ptr_t dtrace_pid_probe_ptr;
73 typedef int (*dtrace_return_probe_ptr_t)(struct reg *);
74 extern dtrace_return_probe_ptr_t dtrace_return_probe_ptr;
76 /* Virtual time hook function type. */
77 typedef void (*dtrace_vtime_switch_func_t)(struct thread *);
79 extern int dtrace_vtime_active;
80 extern dtrace_vtime_switch_func_t dtrace_vtime_switch_func;
82 /* The fasttrap module hooks into the fork, exit and exit. */
83 typedef void (*dtrace_fork_func_t)(struct proc *, struct proc *);
84 typedef void (*dtrace_execexit_func_t)(struct proc *);
86 /* Global variable in kern_fork.c */
87 extern dtrace_fork_func_t dtrace_fasttrap_fork;
89 /* Global variable in kern_exec.c */
90 extern dtrace_execexit_func_t dtrace_fasttrap_exec;
92 /* Global variable in kern_exit.c */
93 extern dtrace_execexit_func_t dtrace_fasttrap_exit;
95 /* The dtmalloc provider hooks into malloc. */
96 typedef void (*dtrace_malloc_probe_func_t)(u_int32_t, uintptr_t arg0,
97 uintptr_t arg1, uintptr_t arg2, uintptr_t arg3, uintptr_t arg4);
99 extern dtrace_malloc_probe_func_t dtrace_malloc_probe;
101 /* dtnfsclient NFSv[34] access cache provider hooks. */
102 typedef void (*dtrace_nfsclient_accesscache_flush_probe_func_t)(uint32_t,
104 extern dtrace_nfsclient_accesscache_flush_probe_func_t
105 dtrace_nfsclient_accesscache_flush_done_probe;
106 extern dtrace_nfsclient_accesscache_flush_probe_func_t
107 dtrace_nfscl_accesscache_flush_done_probe;
109 typedef void (*dtrace_nfsclient_accesscache_get_probe_func_t)(uint32_t,
110 struct vnode *, uid_t, uint32_t);
111 extern dtrace_nfsclient_accesscache_get_probe_func_t
112 dtrace_nfsclient_accesscache_get_hit_probe,
113 dtrace_nfsclient_accesscache_get_miss_probe;
114 extern dtrace_nfsclient_accesscache_get_probe_func_t
115 dtrace_nfscl_accesscache_get_hit_probe,
116 dtrace_nfscl_accesscache_get_miss_probe;
118 typedef void (*dtrace_nfsclient_accesscache_load_probe_func_t)(uint32_t,
119 struct vnode *, uid_t, uint32_t, int);
120 extern dtrace_nfsclient_accesscache_load_probe_func_t
121 dtrace_nfsclient_accesscache_load_done_probe;
122 extern dtrace_nfsclient_accesscache_load_probe_func_t
123 dtrace_nfscl_accesscache_load_done_probe;
125 /* dtnfsclient NFSv[234] attribute cache provider hooks. */
126 typedef void (*dtrace_nfsclient_attrcache_flush_probe_func_t)(uint32_t,
128 extern dtrace_nfsclient_attrcache_flush_probe_func_t
129 dtrace_nfsclient_attrcache_flush_done_probe;
130 extern dtrace_nfsclient_attrcache_flush_probe_func_t
131 dtrace_nfscl_attrcache_flush_done_probe;
133 typedef void (*dtrace_nfsclient_attrcache_get_hit_probe_func_t)(uint32_t,
134 struct vnode *, struct vattr *);
135 extern dtrace_nfsclient_attrcache_get_hit_probe_func_t
136 dtrace_nfsclient_attrcache_get_hit_probe;
137 extern dtrace_nfsclient_attrcache_get_hit_probe_func_t
138 dtrace_nfscl_attrcache_get_hit_probe;
140 typedef void (*dtrace_nfsclient_attrcache_get_miss_probe_func_t)(uint32_t,
142 extern dtrace_nfsclient_attrcache_get_miss_probe_func_t
143 dtrace_nfsclient_attrcache_get_miss_probe;
144 extern dtrace_nfsclient_attrcache_get_miss_probe_func_t
145 dtrace_nfscl_attrcache_get_miss_probe;
147 typedef void (*dtrace_nfsclient_attrcache_load_probe_func_t)(uint32_t,
148 struct vnode *, struct vattr *, int);
149 extern dtrace_nfsclient_attrcache_load_probe_func_t
150 dtrace_nfsclient_attrcache_load_done_probe;
151 extern dtrace_nfsclient_attrcache_load_probe_func_t
152 dtrace_nfscl_attrcache_load_done_probe;
154 /* dtnfsclient NFSv[234] RPC provider hooks. */
155 typedef void (*dtrace_nfsclient_nfs23_start_probe_func_t)(uint32_t,
156 struct vnode *, struct mbuf *, struct ucred *, int);
157 extern dtrace_nfsclient_nfs23_start_probe_func_t
158 dtrace_nfsclient_nfs23_start_probe;
159 extern dtrace_nfsclient_nfs23_start_probe_func_t
160 dtrace_nfscl_nfs234_start_probe;
162 typedef void (*dtrace_nfsclient_nfs23_done_probe_func_t)(uint32_t,
163 struct vnode *, struct mbuf *, struct ucred *, int, int);
164 extern dtrace_nfsclient_nfs23_done_probe_func_t
165 dtrace_nfsclient_nfs23_done_probe;
166 extern dtrace_nfsclient_nfs23_done_probe_func_t
167 dtrace_nfscl_nfs234_done_probe;
170 * Functions which allow the dtrace module to check that the kernel
171 * hooks have been compiled with sufficient space for it's private
174 size_t kdtrace_proc_size(void);
175 size_t kdtrace_thread_size(void);
178 * OpenSolaris compatible time functions returning nanoseconds.
179 * On OpenSolaris these return hrtime_t which we define as uint64_t.
181 uint64_t dtrace_gethrtime(void);
182 uint64_t dtrace_gethrestime(void);
184 #endif /* _SYS_DTRACE_BSD_H */