1 /* $FreeBSD$ */ 2 /* 3 * Copyright (c) 2000 by Matthew Jacob 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer, 11 * without modification, immediately at the beginning of the file. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * Alternatively, this software may be distributed under the terms of the 16 * the GNU Public License ("GPL"). 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * Matthew Jacob 31 * Feral Software 32 * mjacob@feral.com 33 */ 34 #include <unistd.h> 35 #include <stddef.h> 36 #include <stdint.h> 37 #include <stdlib.h> 38 #include <stdio.h> 39 #include <fcntl.h> 40 #include <errno.h> 41 #include <string.h> 42 #include <syslog.h> 43 #include <unistd.h> 44 #include <sys/ioctl.h> 45 #include <cam/scsi/scsi_all.h> 46 #include <cam/scsi/scsi_enc.h> 47 48 #define ALLSTAT (SES_ENCSTAT_UNRECOV | SES_ENCSTAT_CRITICAL | \ 49 SES_ENCSTAT_NONCRITICAL | SES_ENCSTAT_INFO) 50 51 /* 52 * Monitor named SES devices and note (via syslog) any changes in status. 53 */ 54 55 int 56 main(int a, char **v) 57 { 58 static const char *usage = 59 "usage: %s [ -c ] [ -d ] [ -t pollinterval ] device [ device ]\n"; 60 int fd, polltime, dev, nodaemon, clear, c; 61 encioc_enc_status_t stat, nstat, *carray; 62 63 if (a < 2) { 64 fprintf(stderr, usage, *v); 65 return (1); 66 } 67 68 nodaemon = 0; 69 polltime = 30; 70 clear = 0; 71 while ((c = getopt(a, v, "cdt:")) != -1) { 72 switch (c) { 73 case 'c': 74 clear = 1; 75 break; 76 case 'd': 77 nodaemon = 1; 78 break; 79 case 't': 80 polltime = atoi(optarg); 81 break; 82 default: 83 fprintf(stderr, usage, *v); 84 return (1); 85 } 86 } 87 88 carray = malloc(a); 89 if (carray == NULL) { 90 perror("malloc"); 91 return (1); 92 } 93 for (dev = optind; dev < a; dev++) 94 carray[dev] = (encioc_enc_status_t) -1; 95 96 /* 97 * Check to make sure we can open all devices 98 */ 99 for (dev = optind; dev < a; dev++) { 100 fd = open(v[dev], O_RDWR); 101 if (fd < 0) { 102 perror(v[dev]); 103 return (1); 104 } 105 if (ioctl(fd, ENCIOC_INIT, NULL) < 0) { 106 fprintf(stderr, "%s: ENCIOC_INIT fails- %s\n", 107 v[dev], strerror(errno)); 108 return (1); 109 } 110 (void) close(fd); 111 } 112 if (nodaemon == 0) { 113 if (daemon(0, 0) < 0) { 114 perror("daemon"); 115 return (1); 116 } 117 openlog("sesd", LOG_CONS, LOG_USER); 118 } else { 119 openlog("sesd", LOG_CONS|LOG_PERROR, LOG_USER); 120 } 121 122 for (;;) { 123 for (dev = optind; dev < a; dev++) { 124 fd = open(v[dev], O_RDWR); 125 if (fd < 0) { 126 syslog(LOG_ERR, "%s: %m", v[dev]); 127 continue; 128 } 129 130 /* 131 * Get the actual current enclosure status. 132 */ 133 if (ioctl(fd, ENCIOC_GETENCSTAT, (caddr_t) &stat) < 0) { 134 syslog(LOG_ERR, 135 "%s: ENCIOC_GETENCSTAT- %m", v[dev]); 136 (void) close(fd); 137 continue; 138 } 139 if (stat != 0 && clear) { 140 nstat = 0; 141 if (ioctl(fd, ENCIOC_SETENCSTAT, 142 (caddr_t) &nstat) < 0) { 143 syslog(LOG_ERR, 144 "%s: ENCIOC_SETENCSTAT- %m", v[dev]); 145 } 146 } 147 (void) close(fd); 148 149 if (stat == carray[dev]) 150 continue; 151 152 carray[dev] = stat; 153 if ((stat & ALLSTAT) == 0) { 154 syslog(LOG_NOTICE, 155 "%s: Enclosure Status OK", v[dev]); 156 } 157 if (stat & SES_ENCSTAT_INFO) { 158 syslog(LOG_NOTICE, 159 "%s: Enclosure Has Information", v[dev]); 160 } 161 if (stat & SES_ENCSTAT_NONCRITICAL) { 162 syslog(LOG_WARNING, 163 "%s: Enclosure Non-Critical", v[dev]); 164 } 165 if (stat & SES_ENCSTAT_CRITICAL) { 166 syslog(LOG_CRIT, 167 "%s: Enclosure Critical", v[dev]); 168 } 169 if (stat & SES_ENCSTAT_UNRECOV) { 170 syslog(LOG_ALERT, 171 "%s: Enclosure Unrecoverable", v[dev]); 172 } 173 } 174 sleep(polltime); 175 } 176 /* NOTREACHED */ 177 } 178