287 lines
7.6 KiB
C
287 lines
7.6 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright (c) 2004-2005 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>
|
|
#include <sys/param.h>
|
|
#include <errno.h>
|
|
#include <paths.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
#include <strings.h>
|
|
#include <assert.h>
|
|
#include <libgeom.h>
|
|
#include <geom/stripe/g_stripe.h>
|
|
|
|
#include "core/geom.h"
|
|
#include "misc/subr.h"
|
|
|
|
|
|
uint32_t lib_version = G_LIB_VERSION;
|
|
uint32_t version = G_STRIPE_VERSION;
|
|
|
|
#define GSTRIPE_STRIPESIZE "65536"
|
|
|
|
static void stripe_main(struct gctl_req *req, unsigned flags);
|
|
static void stripe_clear(struct gctl_req *req);
|
|
static void stripe_dump(struct gctl_req *req);
|
|
static void stripe_label(struct gctl_req *req);
|
|
|
|
struct g_command class_commands[] = {
|
|
{ "clear", G_FLAG_VERBOSE, stripe_main, G_NULL_OPTS,
|
|
"[-v] prov ..."
|
|
},
|
|
{ "create", G_FLAG_VERBOSE | G_FLAG_LOADKLD, NULL,
|
|
{
|
|
{ 's', "stripesize", GSTRIPE_STRIPESIZE, G_TYPE_NUMBER },
|
|
G_OPT_SENTINEL
|
|
},
|
|
"[-v] [-s stripesize] name prov prov ..."
|
|
},
|
|
{ "destroy", G_FLAG_VERBOSE, NULL,
|
|
{
|
|
{ 'f', "force", NULL, G_TYPE_BOOL },
|
|
G_OPT_SENTINEL
|
|
},
|
|
"[-fv] name ..."
|
|
},
|
|
{ "dump", 0, stripe_main, G_NULL_OPTS,
|
|
"prov ..."
|
|
},
|
|
{ "label", G_FLAG_VERBOSE | G_FLAG_LOADKLD, stripe_main,
|
|
{
|
|
{ 'h', "hardcode", NULL, G_TYPE_BOOL },
|
|
{ 's', "stripesize", GSTRIPE_STRIPESIZE, G_TYPE_NUMBER },
|
|
G_OPT_SENTINEL
|
|
},
|
|
"[-hv] [-s stripesize] name prov prov ..."
|
|
},
|
|
{ "stop", G_FLAG_VERBOSE, NULL,
|
|
{
|
|
{ 'f', "force", NULL, G_TYPE_BOOL },
|
|
G_OPT_SENTINEL
|
|
},
|
|
"[-fv] name ..."
|
|
},
|
|
G_CMD_SENTINEL
|
|
};
|
|
|
|
static int verbose = 0;
|
|
|
|
static void
|
|
stripe_main(struct gctl_req *req, unsigned flags)
|
|
{
|
|
const char *name;
|
|
|
|
if ((flags & G_FLAG_VERBOSE) != 0)
|
|
verbose = 1;
|
|
|
|
name = gctl_get_ascii(req, "verb");
|
|
if (name == NULL) {
|
|
gctl_error(req, "No '%s' argument.", "verb");
|
|
return;
|
|
}
|
|
if (strcmp(name, "label") == 0)
|
|
stripe_label(req);
|
|
else if (strcmp(name, "clear") == 0)
|
|
stripe_clear(req);
|
|
else if (strcmp(name, "dump") == 0)
|
|
stripe_dump(req);
|
|
else
|
|
gctl_error(req, "Unknown command: %s.", name);
|
|
}
|
|
|
|
static void
|
|
stripe_label(struct gctl_req *req)
|
|
{
|
|
struct g_stripe_metadata md;
|
|
intmax_t stripesize;
|
|
off_t compsize, msize;
|
|
u_char sector[512];
|
|
unsigned ssize, secsize;
|
|
const char *name;
|
|
int error, i, nargs, hardcode;
|
|
|
|
bzero(sector, sizeof(sector));
|
|
nargs = gctl_get_int(req, "nargs");
|
|
if (nargs < 3) {
|
|
gctl_error(req, "Too few arguments.");
|
|
return;
|
|
}
|
|
hardcode = gctl_get_int(req, "hardcode");
|
|
|
|
/*
|
|
* Clear last sector first to spoil all components if device exists.
|
|
*/
|
|
compsize = 0;
|
|
secsize = 0;
|
|
for (i = 1; i < nargs; i++) {
|
|
name = gctl_get_ascii(req, "arg%d", i);
|
|
msize = g_get_mediasize(name);
|
|
ssize = g_get_sectorsize(name);
|
|
if (msize == 0 || ssize == 0) {
|
|
gctl_error(req, "Can't get informations about %s: %s.",
|
|
name, strerror(errno));
|
|
return;
|
|
}
|
|
msize -= ssize;
|
|
if (compsize == 0 || (compsize > 0 && msize < compsize))
|
|
compsize = msize;
|
|
if (secsize == 0)
|
|
secsize = ssize;
|
|
else
|
|
secsize = g_lcm(secsize, ssize);
|
|
|
|
error = g_metadata_clear(name, NULL);
|
|
if (error != 0) {
|
|
gctl_error(req, "Can't store metadata on %s: %s.", name,
|
|
strerror(error));
|
|
return;
|
|
}
|
|
}
|
|
|
|
strlcpy(md.md_magic, G_STRIPE_MAGIC, sizeof(md.md_magic));
|
|
md.md_version = G_STRIPE_VERSION;
|
|
name = gctl_get_ascii(req, "arg0");
|
|
strlcpy(md.md_name, name, sizeof(md.md_name));
|
|
md.md_id = arc4random();
|
|
md.md_all = nargs - 1;
|
|
stripesize = gctl_get_intmax(req, "stripesize");
|
|
if ((stripesize % secsize) != 0) {
|
|
gctl_error(req, "Stripesize should be multiple of %u.",
|
|
secsize);
|
|
return;
|
|
}
|
|
md.md_stripesize = stripesize;
|
|
|
|
/*
|
|
* Ok, store metadata.
|
|
*/
|
|
for (i = 1; i < nargs; i++) {
|
|
name = gctl_get_ascii(req, "arg%d", i);
|
|
msize = g_get_mediasize(name);
|
|
ssize = g_get_sectorsize(name);
|
|
if (compsize < msize - ssize) {
|
|
fprintf(stderr,
|
|
"warning: %s: only %jd bytes from %jd bytes used.\n",
|
|
name, (intmax_t)compsize, (intmax_t)(msize - ssize));
|
|
}
|
|
|
|
md.md_no = i - 1;
|
|
md.md_provsize = msize;
|
|
if (!hardcode)
|
|
bzero(md.md_provider, sizeof(md.md_provider));
|
|
else {
|
|
if (strncmp(name, _PATH_DEV, sizeof(_PATH_DEV) - 1) == 0)
|
|
name += sizeof(_PATH_DEV) - 1;
|
|
strlcpy(md.md_provider, name, sizeof(md.md_provider));
|
|
}
|
|
stripe_metadata_encode(&md, sector);
|
|
error = g_metadata_store(name, sector, sizeof(sector));
|
|
if (error != 0) {
|
|
fprintf(stderr, "Can't store metadata on %s: %s.\n",
|
|
name, strerror(error));
|
|
gctl_error(req, "Not fully done.");
|
|
continue;
|
|
}
|
|
if (verbose)
|
|
printf("Metadata value stored on %s.\n", name);
|
|
}
|
|
}
|
|
|
|
static void
|
|
stripe_clear(struct gctl_req *req)
|
|
{
|
|
const char *name;
|
|
int error, i, nargs;
|
|
|
|
nargs = gctl_get_int(req, "nargs");
|
|
if (nargs < 1) {
|
|
gctl_error(req, "Too few arguments.");
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < nargs; i++) {
|
|
name = gctl_get_ascii(req, "arg%d", i);
|
|
error = g_metadata_clear(name, G_STRIPE_MAGIC);
|
|
if (error != 0) {
|
|
fprintf(stderr, "Can't clear metadata on %s: %s.\n",
|
|
name, strerror(error));
|
|
gctl_error(req, "Not fully done.");
|
|
continue;
|
|
}
|
|
if (verbose)
|
|
printf("Metadata cleared on %s.\n", name);
|
|
}
|
|
}
|
|
|
|
static void
|
|
stripe_metadata_dump(const struct g_stripe_metadata *md)
|
|
{
|
|
|
|
printf(" Magic string: %s\n", md->md_magic);
|
|
printf(" Metadata version: %u\n", (u_int)md->md_version);
|
|
printf(" Device name: %s\n", md->md_name);
|
|
printf(" Device ID: %u\n", (u_int)md->md_id);
|
|
printf(" Disk number: %u\n", (u_int)md->md_no);
|
|
printf("Total number of disks: %u\n", (u_int)md->md_all);
|
|
printf(" Stripe size: %u\n", (u_int)md->md_stripesize);
|
|
printf(" Hardcoded provider: %s\n", md->md_provider);
|
|
}
|
|
|
|
static void
|
|
stripe_dump(struct gctl_req *req)
|
|
{
|
|
struct g_stripe_metadata md, tmpmd;
|
|
const char *name;
|
|
int error, i, nargs;
|
|
|
|
nargs = gctl_get_int(req, "nargs");
|
|
if (nargs < 1) {
|
|
gctl_error(req, "Too few arguments.");
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < nargs; i++) {
|
|
name = gctl_get_ascii(req, "arg%d", i);
|
|
error = g_metadata_read(name, (u_char *)&tmpmd, sizeof(tmpmd),
|
|
G_STRIPE_MAGIC);
|
|
if (error != 0) {
|
|
fprintf(stderr, "Can't read metadata from %s: %s.\n",
|
|
name, strerror(error));
|
|
gctl_error(req, "Not fully done.");
|
|
continue;
|
|
}
|
|
stripe_metadata_decode((u_char *)&tmpmd, &md);
|
|
printf("Metadata on %s:\n", name);
|
|
stripe_metadata_dump(&md);
|
|
printf("\n");
|
|
}
|
|
}
|