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 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 27 #include "HBANPIVPort.h" 28 #include "Exceptions.h" 29 #include "Trace.h" 30 #include <iostream> 31 #include <iomanip> 32 #include <cerrno> 33 #include <cstring> 34 #include <sys/types.h> 35 #include <sys/mkdev.h> 36 #include <sys/stat.h> 37 #include <fcntl.h> 38 #include <unistd.h> 39 #include <stropts.h> 40 #include <dirent.h> 41 #include <libdevinfo.h> 42 43 using namespace std; 44 45 46 /** 47 * @memo Construct a new deafult HBA Port 48 * @version 1.7 49 */ 50 HBANPIVPort::HBANPIVPort() { 51 } 52 53 /** 54 * @memo Compare two HBA ports for equality 55 * @return TRUE if both ports are the same 56 * @return FALSE if the ports are different 57 * @version 1.7 58 * 59 * @doc Comparison is based on Node WWN, Port WWN and path 60 */ 61 bool HBANPIVPort::operator==(HBANPIVPort &comp) { 62 return (this->getPortWWN() == comp.getPortWWN() && 63 this->getNodeWWN() == comp.getNodeWWN()); 64 } 65 66 /* 67 * Finds controller path for a give device path. 68 * 69 * Return vale: controller path. 70 */ 71 string HBANPIVPort::lookupControllerPath(string path) { 72 Trace log("lookupControllerPath"); 73 DIR *dp; 74 char buf[MAXPATHLEN]; 75 char node[MAXPATHLEN]; 76 struct dirent **dirpp, *dirp; 77 const char dir[] = "/dev/cfg"; 78 ssize_t count; 79 uchar_t *dir_buf = new uchar_t[sizeof (struct dirent) + MAXPATHLEN]; 80 81 if ((dp = opendir(dir)) == NULL) { 82 string tmp = "Unable to open "; 83 tmp += dir; 84 tmp += "to find controller number."; 85 delete (dir_buf); 86 throw IOError(tmp); 87 } 88 89 dirp = (struct dirent *) dir_buf; 90 dirpp = &dirp; 91 while ((readdir_r(dp, dirp, dirpp)) == 0 && dirp != NULL) { 92 if (strcmp(dirp->d_name, ".") == 0 || 93 strcmp(dirp->d_name, "..") == 0) { 94 continue; 95 } 96 sprintf(node, "%s/%s", dir, dirp->d_name); 97 if ((count = readlink(node,buf,sizeof(buf)))) { 98 buf[count] = '\0'; 99 if (strstr(buf, path.c_str())) { 100 string cfg_path = dir; 101 cfg_path += "/"; 102 cfg_path += dirp->d_name; 103 closedir(dp); 104 delete (dir_buf); 105 return (cfg_path); 106 } 107 } 108 } 109 110 closedir(dp); 111 delete (dir_buf); 112 throw InternalError("Unable to find controller path"); 113 } 114 115