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

sbin/geom/class/concat/Makefile

@@ -0,0 +1,9 @@
+# $FreeBSD$
+
+.PATH:	${.CURDIR}/../../misc
+
+CLASS=	concat
+
+NOMAN=	notyet
+
+.include <bsd.lib.mk>

sbin/geom/class/concat/geom_concat.c

@@ -0,0 +1,198 @@
+/*-
+ * 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 <string.h>
+#include <strings.h>
+#include <assert.h>
+#include <libgeom.h>
+#include <geom/concat/g_concat.h>
+
+#include "core/geom.h"
+#include "misc/subr.h"
+
+
+uint32_t lib_version = G_LIB_VERSION;
+uint32_t version = G_CONCAT_VERSION;
+
+static void concat_main(struct gctl_req *req, unsigned flags);
+static void concat_label(struct gctl_req *req);
+static void concat_clear(struct gctl_req *req);
+
+struct g_command class_commands[] = {
+	{ "create", G_FLAG_VERBOSE | G_FLAG_LOADKLD, NULL, G_NULL_OPTS },
+	{ "destroy", G_FLAG_VERBOSE, NULL,
+	    {
+		{ 'f', "force", NULL, G_TYPE_NONE },
+		G_OPT_SENTINEL
+	    }
+	},
+	{ "label", G_FLAG_VERBOSE | G_FLAG_LOADKLD, concat_main, G_NULL_OPTS },
+	{ "clear", G_FLAG_VERBOSE, concat_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] <name> <dev1> <dev2> [dev3 [...]]\n", name);
+	fprintf(stderr, "       %s destroy [-fv] <name> [name2 [...]]\n", name);
+	fprintf(stderr, "       %s label [-v] <name> <dev1> <dev2> [dev3 [...]]\n", name);
+	fprintf(stderr, "       %s clear [-v] <dev1> [dev2 [...]]\n", name);
+}
+
+static void
+concat_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)
+		concat_label(req);
+	else if (strcmp(name, "clear") == 0)
+		concat_clear(req);
+	else
+		gctl_error(req, "Unknown command: %s.", name);
+}
+
+static void
+concat_label(struct gctl_req *req)
+{
+	struct g_concat_metadata md;
+	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_CONCAT_MAGIC, sizeof(md.md_magic));
+	md.md_version = G_CONCAT_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;
+
+	/*
+	 * 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;
+		concat_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
+concat_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_CONCAT_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); 
+	}
+}

sbin/geom/class/nop/Makefile

@@ -0,0 +1,9 @@
+# $FreeBSD$
+
+.PATH:	${.CURDIR}/../../misc
+
+CLASS=	nop
+
+NOMAN=	notyet
+
+.include <bsd.lib.mk>

sbin/geom/class/nop/geom_nop.c

@@ -0,0 +1,73 @@
+/*-
+ * 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 <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;
+
+static intmax_t failprob = 0;
+
+struct g_command class_commands[] = {
+	{ "create", G_FLAG_VERBOSE | G_FLAG_LOADKLD, NULL,
+	    {
+		{ 'f', "failprob", &failprob, G_TYPE_NUMBER },
+		G_OPT_SENTINEL
+	    }
+	},
+	{ "config", G_FLAG_VERBOSE, NULL,
+	    {
+		{ 'f', "failprob", &failprob, G_TYPE_NUMBER },
+		G_OPT_SENTINEL
+	    }
+	},
+	{ "destroy", G_FLAG_VERBOSE, NULL,
+	    {
+		{ 'f', "force", NULL, G_TYPE_NONE },
+		G_OPT_SENTINEL
+	    }
+	},
+	G_CMD_SENTINEL
+};
+
+void usage(const char *name);
+void
+usage(const char *name)
+{
+
+	fprintf(stderr, "usage: %s create [-v] [-f failprob] <dev1> [dev2 [...]]\n", name);
+	fprintf(stderr, "       %s config [-v] [-f failprob] <dev1> [dev2 [...]]\n", name);
+	fprintf(stderr, "       %s destroy [-fv] <dev1> [dev2 [...]]\n", name);
+}

sbin/geom/class/stripe/Makefile

@@ -0,0 +1,9 @@
+# $FreeBSD$
+
+.PATH:	${.CURDIR}/../../misc
+
+CLASS=	stripe
+
+NOMAN=	notyet
+
+.include <bsd.lib.mk>

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); 
+	}
+}