freebsd-skq/lib/geom/nop/geom_nop.c
oshogbo 4c34bbaf2e gnop: allow to change the name of created device
Thanks to this option we can create more then one gnop provider from
single provider. This may be useful for temporary labeling some data
on the disk.

Reviewed by:	markj, allanjude, bcr
Differential Revision:	https://reviews.freebsd.org/D22304
2019-12-29 15:40:02 +00:00

94 lines
3.4 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2004-2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* 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.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS 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 AUTHORS 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>
__FBSDID("$FreeBSD$");
#include <stdio.h>
#include <stdint.h>
#include <libgeom.h>
#include <geom/nop/g_nop.h>
#include "core/geom.h"
uint32_t lib_version = G_LIB_VERSION;
uint32_t version = G_NOP_VERSION;
struct g_command class_commands[] = {
{ "create", G_FLAG_VERBOSE | G_FLAG_LOADKLD, NULL,
{
{ 'c', "count_until_fail", "-1", G_TYPE_NUMBER },
{ 'd', "delaymsec", "-1", G_TYPE_NUMBER },
{ 'e', "error", "-1", G_TYPE_NUMBER },
{ 'o', "offset", "0", G_TYPE_NUMBER },
{ 'p', "stripesize", "0", G_TYPE_NUMBER },
{ 'P', "stripeoffset", "0", G_TYPE_NUMBER },
{ 'q', "rdelayprob", "-1", G_TYPE_NUMBER },
{ 'r', "rfailprob", "-1", G_TYPE_NUMBER },
{ 's', "size", "0", G_TYPE_NUMBER },
{ 'S', "secsize", "0", G_TYPE_NUMBER },
{ 'w', "wfailprob", "-1", G_TYPE_NUMBER },
{ 'x', "wdelayprob", "-1", G_TYPE_NUMBER },
{ 'z', "physpath", G_NOP_PHYSPATH_PASSTHROUGH, G_TYPE_STRING },
{ 'Z', "gnopname", G_VAL_OPTIONAL, G_TYPE_STRING },
G_OPT_SENTINEL
},
"[-v] [-c count_until_fail] [-d delaymsec] [-e error] [-o offset] "
"[-p stripesize] [-P stripeoffset] [-q rdelayprob] [-r rfailprob] "
"[-s size] [-S secsize] [-w wfailprob] [-x wdelayprob] "
"[-z physpath] [-Z gnopname] dev ..."
},
{ "configure", G_FLAG_VERBOSE, NULL,
{
{ 'c', "count_until_fail", "-1", G_TYPE_NUMBER },
{ 'd', "delaymsec", "-1", G_TYPE_NUMBER },
{ 'e', "error", "-1", G_TYPE_NUMBER },
{ 'q', "rdelayprob", "-1", G_TYPE_NUMBER },
{ 'r', "rfailprob", "-1", G_TYPE_NUMBER },
{ 'w', "wfailprob", "-1", G_TYPE_NUMBER },
{ 'x', "wdelayprob", "-1", G_TYPE_NUMBER },
G_OPT_SENTINEL
},
"[-v] [-c count_until_fail] [-d delaymsec] [-e error] "
"[-q rdelayprob] [-r rfailprob] [-w wfailprob] [-x wdelayprob] "
"prov ..."
},
{ "destroy", G_FLAG_VERBOSE, NULL,
{
{ 'f', "force", NULL, G_TYPE_BOOL },
G_OPT_SENTINEL
},
"[-fv] prov ..."
},
{ "reset", G_FLAG_VERBOSE, NULL, G_NULL_OPTS,
"[-v] prov ..."
},
G_CMD_SENTINEL
};