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author | pjd <pjd@FreeBSD.org> | 2004-05-20 10:24:23 +0000 |
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committer | pjd <pjd@FreeBSD.org> | 2004-05-20 10:24:23 +0000 |
commit | 2d3c7f90d7151bbb3032a080b870b999d93f5b27 (patch) | |
tree | 9855c78f82645cff754aab4c788608b4326e7bb2 /sbin/geom/class/stripe | |
parent | 86dae1fb275d2d6fd01885a290f0578af994ef8a (diff) | |
download | FreeBSD-src-2d3c7f90d7151bbb3032a080b870b999d93f5b27.zip FreeBSD-src-2d3c7f90d7151bbb3032a080b870b999d93f5b27.tar.gz |
Introduce geom(8)-specific shared libraries for CONCAT, STRIPE and NOP
GEOM classes. CONCAT should be 100% compatible with existing gconcat(8)
utility, which is going to be removed.
Supported by: Wheel - Open Technologies - http://www.wheel.pl
Diffstat (limited to 'sbin/geom/class/stripe')
-rw-r--r-- | sbin/geom/class/stripe/Makefile | 9 | ||||
-rw-r--r-- | sbin/geom/class/stripe/geom_stripe.c | 217 |
2 files changed, 226 insertions, 0 deletions
diff --git a/sbin/geom/class/stripe/Makefile b/sbin/geom/class/stripe/Makefile new file mode 100644 index 0000000..7db131f --- /dev/null +++ b/sbin/geom/class/stripe/Makefile @@ -0,0 +1,9 @@ +# $FreeBSD$ + +.PATH: ${.CURDIR}/../../misc + +CLASS= stripe + +NOMAN= notyet + +.include <bsd.lib.mk> diff --git a/sbin/geom/class/stripe/geom_stripe.c b/sbin/geom/class/stripe/geom_stripe.c new file mode 100644 index 0000000..5f2f26c --- /dev/null +++ b/sbin/geom/class/stripe/geom_stripe.c @@ -0,0 +1,217 @@ +/*- + * Copyright (c) 2004 Pawel Jakub Dawidek <pjd@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <errno.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; + +static intmax_t stripesize = 65536; + +static void stripe_main(struct gctl_req *req, unsigned flags); +static void stripe_label(struct gctl_req *req); +static void stripe_clear(struct gctl_req *req); + +struct g_command class_commands[] = { + { "create", G_FLAG_VERBOSE | G_FLAG_LOADKLD, NULL, + { + { 's', "stripesize", &stripesize, G_TYPE_NUMBER }, + G_OPT_SENTINEL + } + }, + { "destroy", G_FLAG_VERBOSE, NULL, + { + { 'f', "force", NULL, G_TYPE_NONE }, + G_OPT_SENTINEL + } + }, + { "label", G_FLAG_VERBOSE | G_FLAG_LOADKLD, stripe_main, + { + { 's', "stripesize", &stripesize, G_TYPE_NUMBER }, + G_OPT_SENTINEL + } + }, + { "clear", G_FLAG_VERBOSE, stripe_main, G_NULL_OPTS }, + G_CMD_SENTINEL +}; + +static int verbose = 0; + +void usage(const char *name); +void +usage(const char *name) +{ + + fprintf(stderr, "usage: %s create [-v] [-s stripesize] <name> <dev1> <dev2> [dev3 [...]]\n", name); + fprintf(stderr, " %s destroy [-fv] <name> [name2 [...]]\n", name); + fprintf(stderr, " %s label [-v] [-s stripesize] <name> <dev1> <dev2> [dev3 [...]]\n", name); + fprintf(stderr, " %s clear [-v] <dev1> [dev2 [...]]\n", name); +} + +static void +stripe_main(struct gctl_req *req, unsigned flags) +{ + const char *name; + + if ((flags & G_FLAG_VERBOSE) != 0) + verbose = 1; + + name = gctl_get_asciiparam(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 + gctl_error(req, "Unknown command: %s.", name); +} + +static void +stripe_label(struct gctl_req *req) +{ + struct g_stripe_metadata md; + intmax_t *stripesizep; + u_char sector[512]; + const char *name; + char param[16]; + unsigned i; + int *nargs, error; + + nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs)); + if (nargs == NULL) { + gctl_error(req, "No '%s' argument.", "nargs"); + return; + } + if (*nargs <= 2) { + gctl_error(req, "Too few arguments."); + return; + } + + /* + * Clear last sector first to spoil all components if device exists. + */ + for (i = 1; i < (unsigned)*nargs; i++) { + snprintf(param, sizeof(param), "arg%u", i); + name = gctl_get_asciiparam(req, param); + + 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_asciiparam(req, "arg0"); + if (name == NULL) { + gctl_error(req, "No 'arg%u' argument.", 0); + return; + } + strlcpy(md.md_name, name, sizeof(md.md_name)); + md.md_id = arc4random(); + md.md_all = *nargs - 1; + stripesizep = gctl_get_paraml(req, "stripesize", sizeof(*stripesizep)); + if (stripesizep == NULL) { + gctl_error(req, "No '%s' argument.", "stripesize"); + return; + } + md.md_stripesize = *stripesizep; + + /* + * Ok, store metadata. + */ + for (i = 1; i < (unsigned)*nargs; i++) { + snprintf(param, sizeof(param), "arg%u", i); + name = gctl_get_asciiparam(req, param); + + md.md_no = i - 1; + 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.", 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; + char param[16]; + unsigned i; + int *nargs, error; + + nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs)); + if (nargs == NULL) { + gctl_error(req, "No '%s' argument.", "nargs"); + return; + } + if (*nargs < 1) { + gctl_error(req, "Too few arguments."); + return; + } + + for (i = 0; i < (unsigned)*nargs; i++) { + snprintf(param, sizeof(param), "arg%u", i); + name = gctl_get_asciiparam(req, param); + + error = g_metadata_clear(name, G_STRIPE_MAGIC); + if (error != 0) { + fprintf(stderr, "Can't clear metadata on %s: %s.", name, + strerror(error)); + gctl_error(req, "Not fully done."); + continue; + } + if (verbose) + printf("Metadata cleared on %s.\n", name); + } +} |