freebsd-skq/usr.sbin/mptutil/mptutil.c
emaste 31f38331ec mptutil: emit a warning on big-endian architectures
It is known to be broken.

PR:		162513
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
2019-07-22 17:25:35 +00:00

132 lines
4.4 KiB
C

/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 2008 Yahoo!, Inc.
* All rights reserved.
* Written by: John Baldwin <jhb@FreeBSD.org>
*
* 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.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* 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.
*/
#include <sys/cdefs.h>
__RCSID("$FreeBSD$");
#include <sys/param.h>
#include <sys/errno.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "mptutil.h"
SET_DECLARE(MPT_DATASET(top), struct mptutil_command);
int mpt_unit;
static void
usage(void)
{
fprintf(stderr, "usage: mptutil [-u unit] <command> ...\n\n");
fprintf(stderr, "Commands include:\n");
fprintf(stderr, " version\n");
fprintf(stderr, " show adapter - display controller information\n");
fprintf(stderr, " show config - display RAID configuration\n");
fprintf(stderr, " show drives - list physical drives\n");
fprintf(stderr, " show events - display event log\n");
fprintf(stderr, " show volumes - list logical volumes\n");
fprintf(stderr, " fail <drive> - fail a physical drive\n");
fprintf(stderr, " online <drive> - bring an offline physical drive online\n");
fprintf(stderr, " offline <drive> - mark a physical drive offline\n");
fprintf(stderr, " name <volume> <name>\n");
fprintf(stderr, " volume status <volume> - display volume status\n");
fprintf(stderr, " volume cache <volume> <enable|disable>\n");
fprintf(stderr, " - Enable or disable the volume drive caches\n");
fprintf(stderr, " clear - clear volume configuration\n");
fprintf(stderr, " create <type> [-vq] [-s stripe] <drive>[,<drive>[,...]]\n");
fprintf(stderr, " delete <volume>\n");
fprintf(stderr, " add <drive> [volume] - add a hot spare\n");
fprintf(stderr, " remove <drive> - remove a hot spare\n");
#ifdef DEBUG
fprintf(stderr, " pd create <drive> - create RAID physdisk\n");
fprintf(stderr, " pd delete <drive> - delete RAID physdisk\n");
fprintf(stderr, " debug - debug 'show config'\n");
#endif
exit(1);
}
static int
version(int ac, char **av)
{
printf("mptutil version 1.0.3");
#ifdef DEBUG
printf(" (DEBUG)");
#endif
printf("\n");
return (0);
}
MPT_COMMAND(top, version, version);
int
main(int ac, char **av)
{
struct mptutil_command **cmd;
int ch;
while ((ch = getopt(ac, av, "u:")) != -1) {
switch (ch) {
case 'u':
mpt_unit = atoi(optarg);
break;
case '?':
usage();
}
}
av += optind;
ac -= optind;
/* getopt() eats av[0], so we can't use mpt_table_handler() directly. */
if (ac == 0)
usage();
#if BYTE_ORDER == BIG_ENDIAN
warnx("mptutil is known to be broken on big-endian architectures");
#endif
SET_FOREACH(cmd, MPT_DATASET(top)) {
if (strcmp((*cmd)->name, av[0]) == 0) {
if ((*cmd)->handler(ac, av))
return (1);
else
return (0);
}
}
warnx("Unknown command %s.", av[0]);
return (1);
}