d4fdb249f2
Eliminage redundant spaces and nvmecontrol at start of all the usage strings. Update the usage printing code to add them back when presenting to the user. Allow multi-line usage messages and print proper leading spaces for lines starting with a space. Sponsored by: Netflix Differential Revision: https://reviews.freebsd.org/D18403
71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (C) 2012-2013 Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/ioccom.h>
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#include <err.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "nvmecontrol.h"
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#define RESET_USAGE \
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"reset <controller id>\n"
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static void
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reset(struct nvme_function *nf, int argc, char *argv[])
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{
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int ch, fd;
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while ((ch = getopt(argc, argv, "")) != -1) {
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switch ((char)ch) {
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default:
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usage(nf);
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}
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}
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/* Check that a controller was specified. */
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if (optind >= argc)
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usage(nf);
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open_dev(argv[optind], &fd, 1, 1);
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if (ioctl(fd, NVME_RESET_CONTROLLER) < 0)
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err(1, "reset request to %s failed", argv[optind]);
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exit(0);
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}
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NVME_COMMAND(top, reset, reset, RESET_USAGE);
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