freebsd-skq/share/examples/ses/getobjstat.c
Matt Jacob 60f2f4e3df Add a minimal example set of how to use the SES ioctls to monitor
SES/SAF-TE devices. It's usable enough (in chpmon) to be alerted as you'd
like to be if a powersupply goes south.
2000-01-15 22:47:17 +00:00

75 lines
2.2 KiB
C

/* $FreeBSD$ */
/*
* 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 <sys/ioctl.h>
#include <cam/scsi/scsi_ses.h>
int
main(int a, char **v)
{
int fd;
int i;
ses_objstat obj;
long cvt;
char *x;
if (a != 3) {
usage:
fprintf(stderr, "usage: %s device objectid\n", *v);
return (1);
}
fd = open(v[1], O_RDONLY);
if (fd < 0) {
perror(v[1]);
return (1);
}
x = v[2];
cvt = strtol(v[2], &x, 0);
if (x == v[2]) {
goto usage;
}
obj.obj_id = cvt;
if (ioctl(fd, SESIOC_GETOBJSTAT, (caddr_t) &obj) < 0) {
perror("SESIOC_GETOBJSTAT");
return (1);
}
fprintf(stdout, "Object 0x%x: 0x%x 0x%x 0x%x 0x%x\n", obj.obj_id,
obj.cstat[0], obj.cstat[1], obj.cstat[2], obj.cstat[3]);
(void) close(fd);
return (0);
}