xref: /titanic_44/usr/src/cmd/devfsadm/dtrace_link.c (revision fb405578b5e7360530e7eccd2c9d3d4df2858d07)
17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate  * with the License.
87c478bd9Sstevel@tonic-gate  *
97c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate  * and limitations under the License.
137c478bd9Sstevel@tonic-gate  *
147c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate  *
207c478bd9Sstevel@tonic-gate  * CDDL HEADER END
217c478bd9Sstevel@tonic-gate  */
227c478bd9Sstevel@tonic-gate /*
237c478bd9Sstevel@tonic-gate  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
247c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate  */
267c478bd9Sstevel@tonic-gate 
277c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
287c478bd9Sstevel@tonic-gate 
297c478bd9Sstevel@tonic-gate #include <devfsadm.h>
307c478bd9Sstevel@tonic-gate #include <strings.h>
31*fb405578Sdp #include <stdio.h>
327c478bd9Sstevel@tonic-gate #include <sys/dtrace.h>
337c478bd9Sstevel@tonic-gate 
347c478bd9Sstevel@tonic-gate static int dtrace(di_minor_t minor, di_node_t node);
35*fb405578Sdp static int dtrace_provider(di_minor_t minor, di_node_t node);
367c478bd9Sstevel@tonic-gate 
377c478bd9Sstevel@tonic-gate static devfsadm_create_t dtrace_create_cbt[] = {
387c478bd9Sstevel@tonic-gate 	{ "pseudo", "ddi_pseudo", "dtrace",
39*fb405578Sdp 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, dtrace },
40*fb405578Sdp 	{ "pseudo", "ddi_pseudo", "fasttrap",
41*fb405578Sdp 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, dtrace_provider },
42*fb405578Sdp 	{ "pseudo", "ddi_pseudo", "fbt",
43*fb405578Sdp 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, dtrace_provider },
44*fb405578Sdp 	{ "pseudo", "ddi_pseudo", "lockstat",
45*fb405578Sdp 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, dtrace_provider },
46*fb405578Sdp 	{ "pseudo", "ddi_pseudo", "profile",
47*fb405578Sdp 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, dtrace_provider },
48*fb405578Sdp 	{ "pseudo", "ddi_pseudo", "sdt",
49*fb405578Sdp 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, dtrace_provider },
50*fb405578Sdp 	{ "pseudo", "ddi_pseudo", "systrace",
51*fb405578Sdp 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, dtrace_provider },
527c478bd9Sstevel@tonic-gate };
537c478bd9Sstevel@tonic-gate 
547c478bd9Sstevel@tonic-gate DEVFSADM_CREATE_INIT_V0(dtrace_create_cbt);
557c478bd9Sstevel@tonic-gate 
567c478bd9Sstevel@tonic-gate static int
577c478bd9Sstevel@tonic-gate dtrace(di_minor_t minor, di_node_t node)
587c478bd9Sstevel@tonic-gate {
597c478bd9Sstevel@tonic-gate 	char *mname = di_minor_name(minor);
60*fb405578Sdp 	char path[MAXPATHLEN];
617c478bd9Sstevel@tonic-gate 
62*fb405578Sdp 	(void) snprintf(path, sizeof (path), "dtrace/%s", mname);
63*fb405578Sdp 	(void) devfsadm_mklink(path, node, minor, 0);
64*fb405578Sdp 
65*fb405578Sdp 	return (DEVFSADM_CONTINUE);
667c478bd9Sstevel@tonic-gate }
677c478bd9Sstevel@tonic-gate 
68*fb405578Sdp static int
69*fb405578Sdp dtrace_provider(di_minor_t minor, di_node_t node)
70*fb405578Sdp {
71*fb405578Sdp 	char *mname = di_minor_name(minor);
72*fb405578Sdp 	char path[MAXPATHLEN];
73*fb405578Sdp 
74*fb405578Sdp 	(void) snprintf(path, sizeof (path), "dtrace/provider/%s", mname);
75*fb405578Sdp 	(void) devfsadm_mklink(path, node, minor, 0);
76*fb405578Sdp 
777c478bd9Sstevel@tonic-gate 	return (DEVFSADM_CONTINUE);
787c478bd9Sstevel@tonic-gate }
79