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 <sys/ioctl.h> 44 #include <cam/scsi/scsi_all.h> 45 #include <cam/scsi/scsi_enc.h> 46 47 #define ALLSTAT (SES_ENCSTAT_UNRECOV | SES_ENCSTAT_CRITICAL | \ 48 SES_ENCSTAT_NONCRITICAL | SES_ENCSTAT_INFO) 49 50 /* 51 * Monitor named SES devices and note (via syslog) any changes in status. 52 */ 53 54 int 55 main(int a, char **v) 56 { 57 static const char *usage = 58 "usage: %s [ -d ] [ -t pollinterval ] device [ device ]\n"; 59 int fd, polltime, dev, devbase, nodaemon; 60 encioc_enc_status_t stat, *carray; 61 62 if (a < 2) { 63 fprintf(stderr, usage, *v); 64 return (1); 65 } 66 67 devbase = 1; 68 69 if (strcmp(v[1], "-d") == 0) { 70 nodaemon = 1; 71 devbase++; 72 } else { 73 nodaemon = 0; 74 } 75 76 if (a > 2 && strcmp(v[2], "-t") == 0) { 77 devbase += 2; 78 polltime = atoi(v[3]); 79 } else { 80 polltime = 30; 81 } 82 83 carray = malloc(a); 84 if (carray == NULL) { 85 perror("malloc"); 86 return (1); 87 } 88 for (dev = devbase; dev < a; dev++) 89 carray[dev] = (encioc_enc_status_t) -1; 90 91 /* 92 * Check to make sure we can open all devices 93 */ 94 for (dev = devbase; dev < a; dev++) { 95 fd = open(v[dev], O_RDWR); 96 if (fd < 0) { 97 perror(v[dev]); 98 return (1); 99 } 100 if (ioctl(fd, ENCIOC_INIT, NULL) < 0) { 101 fprintf(stderr, "%s: ENCIOC_INIT fails- %s\n", 102 v[dev], strerror(errno)); 103 return (1); 104 } 105 (void) close(fd); 106 } 107 if (nodaemon == 0) { 108 if (daemon(0, 0) < 0) { 109 perror("daemon"); 110 return (1); 111 } 112 openlog("sesd", LOG_CONS, LOG_USER); 113 } else { 114 openlog("sesd", LOG_CONS|LOG_PERROR, LOG_USER); 115 } 116 117 for (;;) { 118 for (dev = devbase; dev < a; dev++) { 119 fd = open(v[dev], O_RDWR); 120 if (fd < 0) { 121 syslog(LOG_ERR, "%s: %m", v[dev]); 122 continue; 123 } 124 125 /* 126 * Get the actual current enclosure status. 127 */ 128 if (ioctl(fd, ENCIOC_GETENCSTAT, (caddr_t) &stat) < 0) { 129 syslog(LOG_ERR, 130 "%s: ENCIOC_GETENCSTAT- %m", v[dev]); 131 (void) close(fd); 132 continue; 133 } 134 (void) close(fd); 135 136 if (stat == carray[dev]) 137 continue; 138 139 carray[dev] = stat; 140 if ((stat & ALLSTAT) == 0) { 141 syslog(LOG_NOTICE, 142 "%s: Enclosure Status OK", v[dev]); 143 } 144 if (stat & SES_ENCSTAT_INFO) { 145 syslog(LOG_INFO, 146 "%s: Enclosure Status Has Information", 147 v[dev]); 148 } 149 if (stat & SES_ENCSTAT_NONCRITICAL) { 150 syslog(LOG_WARNING, 151 "%s: Enclosure Non-Critical", v[dev]); 152 } 153 if (stat & SES_ENCSTAT_CRITICAL) { 154 syslog(LOG_CRIT, 155 "%s: Enclosure Critical", v[dev]); 156 } 157 if (stat & SES_ENCSTAT_UNRECOV) { 158 syslog(LOG_ALERT, 159 "%s: Enclosure Unrecoverable", v[dev]); 160 } 161 } 162 sleep(polltime); 163 } 164 /* NOTREACHED */ 165 } 166