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
43using namespace std;
44
45
46/**
47 * @memo            Construct a new deafult HBA Port
48 * @version         1.7
49 */
50HBANPIVPort::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 */
61bool 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 */
71string 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