1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #include <devfsadm.h> 27 #include <strings.h> 28 #include <stdio.h> 29 #include <sys/dtrace.h> 30 31 static int dtrace(di_minor_t minor, di_node_t node); 32 static int dtrace_provider(di_minor_t minor, di_node_t node); 33 34 static devfsadm_create_t dtrace_create_cbt[] = { 35 { "pseudo", "ddi_pseudo", "dtrace", 36 TYPE_EXACT | DRV_EXACT, ILEVEL_0, dtrace }, 37 { "pseudo", "ddi_pseudo", "fasttrap", 38 TYPE_EXACT | DRV_EXACT, ILEVEL_0, dtrace_provider }, 39 { "pseudo", "ddi_pseudo", "fbt", 40 TYPE_EXACT | DRV_EXACT, ILEVEL_0, dtrace_provider }, 41 { "pseudo", "ddi_pseudo", "lockstat", 42 TYPE_EXACT | DRV_EXACT, ILEVEL_0, dtrace_provider }, 43 { "pseudo", "ddi_pseudo", "profile", 44 TYPE_EXACT | DRV_EXACT, ILEVEL_0, dtrace_provider }, 45 { "pseudo", "ddi_pseudo", "sdt", 46 TYPE_EXACT | DRV_EXACT, ILEVEL_0, dtrace_provider }, 47 { "pseudo", "ddi_pseudo", "systrace", 48 TYPE_EXACT | DRV_EXACT, ILEVEL_0, dtrace_provider }, 49 { "pseudo", "ddi_pseudo", "dcpc", 50 TYPE_EXACT | DRV_EXACT, ILEVEL_0, dtrace_provider }, 51 }; 52 53 DEVFSADM_CREATE_INIT_V0(dtrace_create_cbt); 54 55 static int 56 dtrace(di_minor_t minor, di_node_t node) 57 { 58 char *mname = di_minor_name(minor); 59 char path[MAXPATHLEN]; 60 61 (void) snprintf(path, sizeof (path), "dtrace/%s", mname); 62 (void) devfsadm_mklink(path, node, minor, 0); 63 64 return (DEVFSADM_CONTINUE); 65 } 66 67 static int 68 dtrace_provider(di_minor_t minor, di_node_t node) 69 { 70 char *mname = di_minor_name(minor); 71 char path[MAXPATHLEN]; 72 73 (void) snprintf(path, sizeof (path), "dtrace/provider/%s", mname); 74 (void) devfsadm_mklink(path, node, minor, 0); 75 76 return (DEVFSADM_CONTINUE); 77 } 78