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/* $FreeBSD$ */
/*
* Copyright (c) 2000 by Matthew Jacob
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification, immediately at the beginning of the file.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* the GNU Public License ("GPL").
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Matthew Jacob
* Feral Software
* mjacob@feral.com
*/
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <cam/scsi/scsi_ses.h>
/*
* Continuously monitor all named SES devices
* and turn all but INFO enclosure status
* values into CRITICAL enclosure status.
*/
#define BADSTAT \
(SES_ENCSTAT_UNRECOV|SES_ENCSTAT_CRITICAL|SES_ENCSTAT_NONCRITICAL)
int
main(int a, char **v)
{
int fd, delay, dev;
ses_encstat stat, *carray;
if (a < 3) {
fprintf(stderr, "usage: %s polling-interval device "
"[ device ... ]\n", *v);
return (1);
}
delay = atoi(v[1]);
carray = malloc(a);
if (carray == NULL) {
perror("malloc");
return (1);
}
memset(carray, 0, a);
for (;;) {
for (dev = 2; dev < a; dev++) {
fd = open(v[dev], O_RDWR);
if (fd < 0) {
perror(v[dev]);
continue;
}
/*
* First clear any enclosure status, in case it is
* a latched status.
*/
stat = 0;
if (ioctl(fd, SESIOC_SETENCSTAT, (caddr_t) &stat) < 0) {
fprintf(stderr, "%s: SESIOC_SETENCSTAT1: %s\n",
v[dev], strerror(errno));
(void) close(fd);
continue;
}
/*
* Now get the actual current enclosure status.
*/
if (ioctl(fd, SESIOC_GETENCSTAT, (caddr_t) &stat) < 0) {
fprintf(stderr, "%s: SESIOC_GETENCSTAT: %s\n",
v[dev], strerror(errno));
(void) close(fd);
continue;
}
if ((stat & BADSTAT) == 0) {
if (carray[dev]) {
fprintf(stdout, "%s: Clearing CRITICAL "
"condition\n", v[dev]);
carray[dev] = 0;
}
(void) close(fd);
continue;
}
carray[dev] = 1;
fprintf(stdout, "%s: Setting CRITICAL from:", v[dev]);
if (stat & SES_ENCSTAT_UNRECOV)
fprintf(stdout, " UNRECOVERABLE");
if (stat & SES_ENCSTAT_CRITICAL)
fprintf(stdout, " CRITICAL");
if (stat & SES_ENCSTAT_NONCRITICAL)
fprintf(stdout, " NONCRITICAL");
putchar('\n');
stat = SES_ENCSTAT_CRITICAL;
if (ioctl(fd, SESIOC_SETENCSTAT, (caddr_t) &stat) < 0) {
fprintf(stderr, "%s: SESIOC_SETENCSTAT 2: %s\n",
v[dev], strerror(errno));
}
(void) close(fd);
}
sleep(delay);
}
/* NOTREACHED */
}
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