2 * Copyright (c) 2004-2005 Pawel Jakub Dawidek <pjd@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
38 #include <geom/label/g_label.h>
40 #include "core/geom.h"
41 #include "misc/subr.h"
44 uint32_t lib_version = G_LIB_VERSION;
45 uint32_t version = G_LABEL_VERSION;
47 static void label_main(struct gctl_req *req, unsigned flags);
48 static void label_clear(struct gctl_req *req);
49 static void label_dump(struct gctl_req *req);
50 static void label_label(struct gctl_req *req);
52 struct g_command class_commands[] = {
53 { "clear", G_FLAG_VERBOSE, label_main, G_NULL_OPTS, NULL,
56 { "create", G_FLAG_VERBOSE | G_FLAG_LOADKLD, NULL, G_NULL_OPTS,
59 { "destroy", G_FLAG_VERBOSE, NULL,
61 { 'f', "force", NULL, G_TYPE_BOOL },
64 NULL, "[-fv] name ..."
66 { "dump", 0, label_main, G_NULL_OPTS, NULL,
69 { "label", G_FLAG_VERBOSE | G_FLAG_LOADKLD, label_main, G_NULL_OPTS,
72 { "stop", G_FLAG_VERBOSE, NULL,
74 { 'f', "force", NULL, G_TYPE_BOOL },
77 NULL, "[-fv] name ..."
82 static int verbose = 0;
85 label_main(struct gctl_req *req, unsigned flags)
89 if ((flags & G_FLAG_VERBOSE) != 0)
92 name = gctl_get_ascii(req, "verb");
94 gctl_error(req, "No '%s' argument.", "verb");
97 if (strcmp(name, "label") == 0)
99 else if (strcmp(name, "clear") == 0)
101 else if (strcmp(name, "dump") == 0)
104 gctl_error(req, "Unknown command: %s.", name);
108 label_label(struct gctl_req *req)
110 struct g_label_metadata md;
111 const char *name, *label;
115 nargs = gctl_get_int(req, "nargs");
117 gctl_error(req, "Invalid number of arguments.");
122 * Clear last sector first to spoil all components if device exists.
124 name = gctl_get_ascii(req, "arg1");
125 error = g_metadata_clear(name, NULL);
127 gctl_error(req, "Can't store metadata on %s: %s.", name,
132 strlcpy(md.md_magic, G_LABEL_MAGIC, sizeof(md.md_magic));
133 md.md_version = G_LABEL_VERSION;
134 label = gctl_get_ascii(req, "arg0");
135 strlcpy(md.md_label, label, sizeof(md.md_label));
136 md.md_provsize = g_get_mediasize(name);
137 if (md.md_provsize == 0) {
138 gctl_error(req, "Can't get mediasize of %s: %s.", name,
144 * Ok, store metadata.
146 label_metadata_encode(&md, sector);
147 error = g_metadata_store(name, sector, sizeof(sector));
149 fprintf(stderr, "Can't store metadata on %s: %s.\n", name,
151 gctl_error(req, "Not done.");
154 printf("Metadata value stored on %s.\n", name);
158 label_clear(struct gctl_req *req)
163 nargs = gctl_get_int(req, "nargs");
165 gctl_error(req, "Too few arguments.");
169 for (i = 0; i < nargs; i++) {
170 name = gctl_get_ascii(req, "arg%d", i);
171 error = g_metadata_clear(name, G_LABEL_MAGIC);
173 fprintf(stderr, "Can't clear metadata on %s: %s.\n",
174 name, strerror(error));
175 gctl_error(req, "Not fully done.");
179 printf("Metadata cleared on %s.\n", name);
184 label_metadata_dump(const struct g_label_metadata *md)
187 printf(" Magic string: %s\n", md->md_magic);
188 printf("Metadata version: %u\n", (u_int)md->md_version);
189 printf(" Label: %s\n", md->md_label);
193 label_dump(struct gctl_req *req)
195 struct g_label_metadata md, tmpmd;
199 nargs = gctl_get_int(req, "nargs");
201 gctl_error(req, "Too few arguments.");
205 for (i = 0; i < nargs; i++) {
206 name = gctl_get_ascii(req, "arg%d", i);
207 error = g_metadata_read(name, (u_char *)&tmpmd, sizeof(tmpmd),
210 fprintf(stderr, "Can't read metadata from %s: %s.\n",
211 name, strerror(error));
212 gctl_error(req, "Not fully done.");
215 label_metadata_decode((u_char *)&tmpmd, &md);
216 printf("Metadata on %s:\n", name);
217 label_metadata_dump(&md);