FreeBSD/Linux Kernel Cross Reference
sys/geom/geom_dump.c
1 /*-
2 * Copyright (c) 2002 Poul-Henning Kamp
3 * Copyright (c) 2002 Networks Associates Technology, Inc.
4 * All rights reserved.
5 *
6 * This software was developed for the FreeBSD Project by Poul-Henning Kamp
7 * and NAI Labs, the Security Research Division of Network Associates, Inc.
8 * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
9 * DARPA CHATS research program.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. The names of the authors may not be used to endorse or promote
20 * products derived from this software without specific prior written
21 * permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36 #include <sys/cdefs.h>
37 __FBSDID("$FreeBSD: releng/10.0/sys/geom/geom_dump.c 250868 2013-05-21 18:40:54Z jh $");
38
39 #include <sys/param.h>
40 #include <sys/sbuf.h>
41 #include <sys/systm.h>
42 #include <sys/malloc.h>
43 #include <machine/stdarg.h>
44
45 #include <geom/geom.h>
46 #include <geom/geom_int.h>
47 #include <geom/geom_disk.h>
48
49
50 static void
51 g_confdot_consumer(struct sbuf *sb, struct g_consumer *cp)
52 {
53
54 sbuf_printf(sb, "z%p [label=\"r%dw%de%d\"];\n",
55 cp, cp->acr, cp->acw, cp->ace);
56 if (cp->provider)
57 sbuf_printf(sb, "z%p -> z%p;\n", cp, cp->provider);
58 }
59
60 static void
61 g_confdot_provider(struct sbuf *sb, struct g_provider *pp)
62 {
63
64 sbuf_printf(sb, "z%p [shape=hexagon,label=\"%s\\nr%dw%de%d\\nerr#%d\"];\n",
65 pp, pp->name, pp->acr, pp->acw, pp->ace, pp->error);
66 }
67
68 static void
69 g_confdot_geom(struct sbuf *sb, struct g_geom *gp)
70 {
71 struct g_consumer *cp;
72 struct g_provider *pp;
73
74 sbuf_printf(sb, "z%p [shape=box,label=\"%s\\n%s\\nr#%d\"];\n",
75 gp, gp->class->name, gp->name, gp->rank);
76 LIST_FOREACH(cp, &gp->consumer, consumer) {
77 g_confdot_consumer(sb, cp);
78 sbuf_printf(sb, "z%p -> z%p;\n", gp, cp);
79 }
80
81 LIST_FOREACH(pp, &gp->provider, provider) {
82 g_confdot_provider(sb, pp);
83 sbuf_printf(sb, "z%p -> z%p;\n", pp, gp);
84 }
85 }
86
87 static void
88 g_confdot_class(struct sbuf *sb, struct g_class *mp)
89 {
90 struct g_geom *gp;
91
92 LIST_FOREACH(gp, &mp->geom, geom)
93 g_confdot_geom(sb, gp);
94 }
95
96 void
97 g_confdot(void *p, int flag )
98 {
99 struct g_class *mp;
100 struct sbuf *sb;
101
102 KASSERT(flag != EV_CANCEL, ("g_confdot was cancelled"));
103 sb = p;
104 g_topology_assert();
105 sbuf_printf(sb, "digraph geom {\n");
106 LIST_FOREACH(mp, &g_classes, class)
107 g_confdot_class(sb, mp);
108 sbuf_printf(sb, "}\n");
109 sbuf_finish(sb);
110 }
111
112 static void
113 g_conftxt_geom(struct sbuf *sb, struct g_geom *gp, int level)
114 {
115 struct g_provider *pp;
116 struct g_consumer *cp;
117
118 if (gp->flags & G_GEOM_WITHER)
119 return;
120 LIST_FOREACH(pp, &gp->provider, provider) {
121 sbuf_printf(sb, "%d %s %s %ju %u", level, gp->class->name,
122 pp->name, (uintmax_t)pp->mediasize, pp->sectorsize);
123 if (gp->dumpconf != NULL)
124 gp->dumpconf(sb, NULL, gp, NULL, pp);
125 sbuf_printf(sb, "\n");
126 LIST_FOREACH(cp, &pp->consumers, consumers)
127 g_conftxt_geom(sb, cp->geom, level + 1);
128 }
129 }
130
131 static void
132 g_conftxt_class(struct sbuf *sb, struct g_class *mp)
133 {
134 struct g_geom *gp;
135
136 LIST_FOREACH(gp, &mp->geom, geom)
137 g_conftxt_geom(sb, gp, 0);
138 }
139
140 void
141 g_conftxt(void *p, int flag)
142 {
143 struct g_class *mp;
144 struct sbuf *sb;
145
146 KASSERT(flag != EV_CANCEL, ("g_conftxt was cancelled"));
147 sb = p;
148 g_topology_assert();
149 LIST_FOREACH(mp, &g_classes, class) {
150 if (!strcmp(mp->name, G_DISK_CLASS_NAME) || !strcmp(mp->name, "MD"))
151 g_conftxt_class(sb, mp);
152 }
153 sbuf_finish(sb);
154 }
155
156
157 static void
158 g_conf_print_escaped(struct sbuf *sb, const char *fmt, const char *str)
159 {
160 struct sbuf *s;
161 const u_char *c;
162
163 s = sbuf_new_auto();
164
165 for (c = str; *c != '\0'; c++) {
166 if (*c == '&' || *c == '<' || *c == '>' ||
167 *c == '\'' || *c == '"' || *c > 0x7e)
168 sbuf_printf(s, "&#x%X;", *c);
169 else if (*c == '\t' || *c == '\n' || *c == '\r' || *c > 0x1f)
170 sbuf_putc(s, *c);
171 else
172 sbuf_putc(s, '?');
173 }
174 sbuf_finish(s);
175 sbuf_printf(sb, fmt, sbuf_data(s));
176 sbuf_delete(s);
177 }
178
179 static void
180 g_conf_consumer(struct sbuf *sb, struct g_consumer *cp)
181 {
182
183 sbuf_printf(sb, "\t<consumer id=\"%p\">\n", cp);
184 sbuf_printf(sb, "\t <geom ref=\"%p\"/>\n", cp->geom);
185 if (cp->provider != NULL)
186 sbuf_printf(sb, "\t <provider ref=\"%p\"/>\n", cp->provider);
187 sbuf_printf(sb, "\t <mode>r%dw%de%d</mode>\n",
188 cp->acr, cp->acw, cp->ace);
189 if (cp->geom->flags & G_GEOM_WITHER)
190 ;
191 else if (cp->geom->dumpconf != NULL) {
192 sbuf_printf(sb, "\t <config>\n");
193 cp->geom->dumpconf(sb, "\t ", cp->geom, cp, NULL);
194 sbuf_printf(sb, "\t </config>\n");
195 }
196 sbuf_printf(sb, "\t</consumer>\n");
197 }
198
199 static void
200 g_conf_provider(struct sbuf *sb, struct g_provider *pp)
201 {
202
203 sbuf_printf(sb, "\t<provider id=\"%p\">\n", pp);
204 sbuf_printf(sb, "\t <geom ref=\"%p\"/>\n", pp->geom);
205 sbuf_printf(sb, "\t <mode>r%dw%de%d</mode>\n",
206 pp->acr, pp->acw, pp->ace);
207 g_conf_print_escaped(sb, "\t <name>%s</name>\n", pp->name);
208 sbuf_printf(sb, "\t <mediasize>%jd</mediasize>\n",
209 (intmax_t)pp->mediasize);
210 sbuf_printf(sb, "\t <sectorsize>%u</sectorsize>\n", pp->sectorsize);
211 sbuf_printf(sb, "\t <stripesize>%u</stripesize>\n", pp->stripesize);
212 sbuf_printf(sb, "\t <stripeoffset>%u</stripeoffset>\n", pp->stripeoffset);
213 if (pp->geom->flags & G_GEOM_WITHER)
214 ;
215 else if (pp->geom->dumpconf != NULL) {
216 sbuf_printf(sb, "\t <config>\n");
217 pp->geom->dumpconf(sb, "\t ", pp->geom, NULL, pp);
218 sbuf_printf(sb, "\t </config>\n");
219 }
220 sbuf_printf(sb, "\t</provider>\n");
221 }
222
223
224 static void
225 g_conf_geom(struct sbuf *sb, struct g_geom *gp, struct g_provider *pp, struct g_consumer *cp)
226 {
227 struct g_consumer *cp2;
228 struct g_provider *pp2;
229
230 sbuf_printf(sb, " <geom id=\"%p\">\n", gp);
231 sbuf_printf(sb, " <class ref=\"%p\"/>\n", gp->class);
232 g_conf_print_escaped(sb, " <name>%s</name>\n", gp->name);
233 sbuf_printf(sb, " <rank>%d</rank>\n", gp->rank);
234 if (gp->flags & G_GEOM_WITHER)
235 sbuf_printf(sb, " <wither/>\n");
236 else if (gp->dumpconf != NULL) {
237 sbuf_printf(sb, " <config>\n");
238 gp->dumpconf(sb, "\t", gp, NULL, NULL);
239 sbuf_printf(sb, " </config>\n");
240 }
241 LIST_FOREACH(cp2, &gp->consumer, consumer) {
242 if (cp != NULL && cp != cp2)
243 continue;
244 g_conf_consumer(sb, cp2);
245 }
246
247 LIST_FOREACH(pp2, &gp->provider, provider) {
248 if (pp != NULL && pp != pp2)
249 continue;
250 g_conf_provider(sb, pp2);
251 }
252 sbuf_printf(sb, " </geom>\n");
253 }
254
255 static void
256 g_conf_class(struct sbuf *sb, struct g_class *mp, struct g_geom *gp, struct g_provider *pp, struct g_consumer *cp)
257 {
258 struct g_geom *gp2;
259
260 sbuf_printf(sb, " <class id=\"%p\">\n", mp);
261 g_conf_print_escaped(sb, " <name>%s</name>\n", mp->name);
262 LIST_FOREACH(gp2, &mp->geom, geom) {
263 if (gp != NULL && gp != gp2)
264 continue;
265 g_conf_geom(sb, gp2, pp, cp);
266 }
267 sbuf_printf(sb, " </class>\n");
268 }
269
270 void
271 g_conf_specific(struct sbuf *sb, struct g_class *mp, struct g_geom *gp, struct g_provider *pp, struct g_consumer *cp)
272 {
273 struct g_class *mp2;
274
275 g_topology_assert();
276 sbuf_printf(sb, "<mesh>\n");
277 LIST_FOREACH(mp2, &g_classes, class) {
278 if (mp != NULL && mp != mp2)
279 continue;
280 g_conf_class(sb, mp2, gp, pp, cp);
281 }
282 sbuf_printf(sb, "</mesh>\n");
283 sbuf_finish(sb);
284 }
285
286 void
287 g_confxml(void *p, int flag)
288 {
289
290 KASSERT(flag != EV_CANCEL, ("g_confxml was cancelled"));
291 g_topology_assert();
292 g_conf_specific(p, NULL, NULL, NULL, NULL);
293 }
294
295 void
296 g_trace(int level, const char *fmt, ...)
297 {
298 va_list ap;
299
300 if (!(g_debugflags & level))
301 return;
302 va_start(ap, fmt);
303 vprintf(fmt, ap);
304 va_end(ap);
305 printf("\n");
306 }
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