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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <devfsadm.h> 30 #include <stdio.h> 31 #include <stdlib.h> 32 #include <limits.h> 33 #include <string.h> 34 35 static int ieee1394_process(di_minor_t minor, di_node_t node); 36 37 static devfsadm_create_t ieee1394_cbt[] = { 38 { "ieee1394", "ddi_ctl:devctl", "hci1394", 39 TYPE_EXACT | DRV_EXACT, ILEVEL_0, ieee1394_process 40 }, 41 }; 42 43 static char *debug_mid = "ieee1394_mid"; 44 45 DEVFSADM_CREATE_INIT_V0(ieee1394_cbt); 46 47 #define IEEE1394_LINK_RE "^1394/hba[0-9]+$" 48 49 static devfsadm_remove_t ieee1394_remove_cbt[] = { 50 { "ieee1394", IEEE1394_LINK_RE, RM_HOT | RM_POST, 51 ILEVEL_0, devfsadm_rm_all 52 }, 53 }; 54 55 DEVFSADM_REMOVE_INIT_V0(ieee1394_remove_cbt); 56 57 int 58 minor_init(void) 59 { 60 devfsadm_print(debug_mid, "ieee1394_link: minor_init\n"); 61 return (DEVFSADM_SUCCESS); 62 } 63 64 int 65 minor_fini(void) 66 { 67 devfsadm_print(debug_mid, "ieee1394_link: minor_fini\n"); 68 return (DEVFSADM_SUCCESS); 69 } 70 71 /* 72 * This function is called for every ieee1394 minor node. 73 * Calls enumerate to assign a logical ieee1394 id, and then 74 * devfsadm_mklink to make the link. 75 */ 76 static int 77 ieee1394_process(di_minor_t minor, di_node_t node) 78 { 79 char *buf, *devfspath; 80 char l_path[PATH_MAX], p_path[PATH_MAX]; 81 devfsadm_enumerate_t re[] = {"^1394/hba([0-9]+)$", 1, MATCH_ALL}; 82 83 devfspath = di_devfs_path(node); 84 85 devfsadm_print(debug_mid, 86 "ieee1394_process: path %s\n", devfspath); 87 88 (void) snprintf(p_path, sizeof (p_path), "%s:%s", 89 devfspath, di_minor_name(minor)); 90 di_devfs_path_free(devfspath); 91 92 /* 93 * Build the physical path from the components. Find the logical 94 * ieee1394 HBA id, and stuff it in buf 95 */ 96 if (devfsadm_enumerate_int(p_path, 0, &buf, re, 1)) { 97 devfsadm_print(debug_mid, "ieee1394_process: exit/continue\n"); 98 return (DEVFSADM_CONTINUE); 99 } 100 devfsadm_print(debug_mid, "ieee1394_process: p_path=%s buf=%s\n", 101 p_path, buf); 102 103 (void) snprintf(l_path, sizeof (l_path), "1394/hba%s", buf); 104 105 free(buf); 106 107 devfsadm_print(debug_mid, "mklink %s %s\n", l_path, p_path); 108 109 (void) devfsadm_mklink(l_path, node, minor, 0); 110 111 return (DEVFSADM_CONTINUE); 112 } 113