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 #include <devfsadm.h> 28 #include <stdio.h> 29 #include <stdlib.h> 30 #include <limits.h> 31 #include <string.h> 32 33 static int ieee1394_process(di_minor_t minor, di_node_t node); 34 35 static devfsadm_create_t ieee1394_cbt[] = { 36 { "ieee1394", "ddi_ctl:devctl", "hci1394", 37 TYPE_EXACT | DRV_EXACT, ILEVEL_0, ieee1394_process 38 }, 39 }; 40 41 static char *debug_mid = "ieee1394_mid"; 42 43 DEVFSADM_CREATE_INIT_V0(ieee1394_cbt); 44 45 #define IEEE1394_LINK_RE "^1394/hba[0-9]+$" 46 47 static devfsadm_remove_t ieee1394_remove_cbt[] = { 48 { "ieee1394", IEEE1394_LINK_RE, RM_HOT | RM_POST, 49 ILEVEL_0, devfsadm_rm_all 50 }, 51 }; 52 53 DEVFSADM_REMOVE_INIT_V0(ieee1394_remove_cbt); 54 55 int 56 minor_init(void) 57 { 58 devfsadm_print(debug_mid, "ieee1394_link: minor_init\n"); 59 return (DEVFSADM_SUCCESS); 60 } 61 62 int 63 minor_fini(void) 64 { 65 devfsadm_print(debug_mid, "ieee1394_link: minor_fini\n"); 66 return (DEVFSADM_SUCCESS); 67 } 68 69 /* 70 * This function is called for every ieee1394 minor node. 71 * Calls enumerate to assign a logical ieee1394 id, and then 72 * devfsadm_mklink to make the link. 73 */ 74 static int 75 ieee1394_process(di_minor_t minor, di_node_t node) 76 { 77 char *buf, *devfspath; 78 char l_path[PATH_MAX], p_path[PATH_MAX]; 79 devfsadm_enumerate_t re[] = {"^1394/hba([0-9]+)$", 1, MATCH_ALL}; 80 81 devfspath = di_devfs_path(node); 82 83 devfsadm_print(debug_mid, 84 "ieee1394_process: path %s\n", devfspath); 85 86 (void) snprintf(p_path, sizeof (p_path), "%s:%s", 87 devfspath, di_minor_name(minor)); 88 di_devfs_path_free(devfspath); 89 90 /* 91 * Build the physical path from the components. Find the logical 92 * ieee1394 HBA id, and stuff it in buf 93 */ 94 if (devfsadm_enumerate_int(p_path, 0, &buf, re, 1)) { 95 devfsadm_print(debug_mid, "ieee1394_process: exit/continue\n"); 96 return (DEVFSADM_CONTINUE); 97 } 98 devfsadm_print(debug_mid, "ieee1394_process: p_path=%s buf=%s\n", 99 p_path, buf); 100 101 (void) snprintf(l_path, sizeof (l_path), "1394/hba%s", buf); 102 103 free(buf); 104 105 devfsadm_print(debug_mid, "mklink %s %s\n", l_path, p_path); 106 107 (void) devfsadm_mklink(l_path, node, minor, 0); 108 109 return (DEVFSADM_CONTINUE); 110 } 111