geom_dump.c revision 202454
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: head/sys/geom/geom_dump.c 202454 2010-01-17 06:20:30Z delphij $");
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
48
49static void
50g_confdot_consumer(struct sbuf *sb, struct g_consumer *cp)
51{
52
53	sbuf_printf(sb, "z%p [label=\"r%dw%de%d\"];\n",
54	    cp, cp->acr, cp->acw, cp->ace);
55	if (cp->provider)
56		sbuf_printf(sb, "z%p -> z%p;\n", cp, cp->provider);
57}
58
59static void
60g_confdot_provider(struct sbuf *sb, struct g_provider *pp)
61{
62
63	sbuf_printf(sb, "z%p [shape=hexagon,label=\"%s\\nr%dw%de%d\\nerr#%d\"];\n",
64	    pp, pp->name, pp->acr, pp->acw, pp->ace, pp->error);
65}
66
67static void
68g_confdot_geom(struct sbuf *sb, struct g_geom *gp)
69{
70	struct g_consumer *cp;
71	struct g_provider *pp;
72
73	sbuf_printf(sb, "z%p [shape=box,label=\"%s\\n%s\\nr#%d\"];\n",
74	    gp, gp->class->name, gp->name, gp->rank);
75	LIST_FOREACH(cp, &gp->consumer, consumer) {
76		g_confdot_consumer(sb, cp);
77		sbuf_printf(sb, "z%p -> z%p;\n", gp, cp);
78	}
79
80	LIST_FOREACH(pp, &gp->provider, provider) {
81		g_confdot_provider(sb, pp);
82		sbuf_printf(sb, "z%p -> z%p;\n", pp, gp);
83	}
84}
85
86static void
87g_confdot_class(struct sbuf *sb, struct g_class *mp)
88{
89	struct g_geom *gp;
90
91	LIST_FOREACH(gp, &mp->geom, geom)
92		g_confdot_geom(sb, gp);
93}
94
95void
96g_confdot(void *p, int flag )
97{
98	struct g_class *mp;
99	struct sbuf *sb;
100
101	KASSERT(flag != EV_CANCEL, ("g_confdot was cancelled"));
102	sb = p;
103	g_topology_assert();
104	sbuf_printf(sb, "digraph geom {\n");
105	LIST_FOREACH(mp, &g_classes, class)
106		g_confdot_class(sb, mp);
107	sbuf_printf(sb, "};\n");
108	sbuf_finish(sb);
109}
110
111static void
112g_conftxt_geom(struct sbuf *sb, struct g_geom *gp, int level)
113{
114	struct g_provider *pp;
115	struct g_consumer *cp;
116
117	if (gp->flags & G_GEOM_WITHER)
118		return;
119	LIST_FOREACH(pp, &gp->provider, provider) {
120		sbuf_printf(sb, "%d %s %s %ju %u", level, gp->class->name,
121		    pp->name, (uintmax_t)pp->mediasize, pp->sectorsize);
122		if (gp->dumpconf != NULL)
123			gp->dumpconf(sb, NULL, gp, NULL, pp);
124		sbuf_printf(sb, "\n");
125		LIST_FOREACH(cp, &pp->consumers, consumers)
126			g_conftxt_geom(sb, cp->geom, level + 1);
127	}
128}
129
130static void
131g_conftxt_class(struct sbuf *sb, struct g_class *mp)
132{
133	struct g_geom *gp;
134
135	LIST_FOREACH(gp, &mp->geom, geom)
136		g_conftxt_geom(sb, gp, 0);
137}
138
139void
140g_conftxt(void *p, int flag)
141{
142	struct g_class *mp;
143	struct sbuf *sb;
144
145	KASSERT(flag != EV_CANCEL, ("g_conftxt was cancelled"));
146	sb = p;
147	g_topology_assert();
148	LIST_FOREACH(mp, &g_classes, class) {
149		if (!strcmp(mp->name, "DISK") || !strcmp(mp->name, "MD"))
150			g_conftxt_class(sb, mp);
151	}
152	sbuf_finish(sb);
153}
154
155
156static void
157g_conf_consumer(struct sbuf *sb, struct g_consumer *cp)
158{
159
160	sbuf_printf(sb, "\t<consumer id=\"%p\">\n", cp);
161	sbuf_printf(sb, "\t  <geom ref=\"%p\"/>\n", cp->geom);
162	if (cp->provider != NULL)
163		sbuf_printf(sb, "\t  <provider ref=\"%p\"/>\n", cp->provider);
164	sbuf_printf(sb, "\t  <mode>r%dw%de%d</mode>\n",
165	    cp->acr, cp->acw, cp->ace);
166	if (cp->geom->flags & G_GEOM_WITHER)
167		;
168	else if (cp->geom->dumpconf != NULL) {
169		sbuf_printf(sb, "\t  <config>\n");
170		cp->geom->dumpconf(sb, "\t    ", cp->geom, cp, NULL);
171		sbuf_printf(sb, "\t  </config>\n");
172	}
173	sbuf_printf(sb, "\t</consumer>\n");
174}
175
176static void
177g_conf_provider(struct sbuf *sb, struct g_provider *pp)
178{
179
180	sbuf_printf(sb, "\t<provider id=\"%p\">\n", pp);
181	sbuf_printf(sb, "\t  <geom ref=\"%p\"/>\n", pp->geom);
182	sbuf_printf(sb, "\t  <mode>r%dw%de%d</mode>\n",
183	    pp->acr, pp->acw, pp->ace);
184	sbuf_printf(sb, "\t  <name>%s</name>\n", pp->name);
185	sbuf_printf(sb, "\t  <mediasize>%jd</mediasize>\n",
186	    (intmax_t)pp->mediasize);
187	sbuf_printf(sb, "\t  <sectorsize>%u</sectorsize>\n", pp->sectorsize);
188	if (pp->stripesize > 0) {
189		sbuf_printf(sb, "\t  <stripesize>%u</stripesize>\n", pp->stripesize);
190		sbuf_printf(sb, "\t  <stripeoffset>%u</stripeoffset>\n", pp->stripeoffset);
191	}
192	if (pp->geom->flags & G_GEOM_WITHER)
193		;
194	else if (pp->geom->dumpconf != NULL) {
195		sbuf_printf(sb, "\t  <config>\n");
196		pp->geom->dumpconf(sb, "\t    ", pp->geom, NULL, pp);
197		sbuf_printf(sb, "\t  </config>\n");
198	}
199	sbuf_printf(sb, "\t</provider>\n");
200}
201
202
203static void
204g_conf_geom(struct sbuf *sb, struct g_geom *gp, struct g_provider *pp, struct g_consumer *cp)
205{
206	struct g_consumer *cp2;
207	struct g_provider *pp2;
208
209	sbuf_printf(sb, "    <geom id=\"%p\">\n", gp);
210	sbuf_printf(sb, "      <class ref=\"%p\"/>\n", gp->class);
211	sbuf_printf(sb, "      <name>%s</name>\n", gp->name);
212	sbuf_printf(sb, "      <rank>%d</rank>\n", gp->rank);
213	if (gp->flags & G_GEOM_WITHER)
214		sbuf_printf(sb, "      <wither/>\n");
215	else if (gp->dumpconf != NULL) {
216		sbuf_printf(sb, "      <config>\n");
217		gp->dumpconf(sb, "\t", gp, NULL, NULL);
218		sbuf_printf(sb, "      </config>\n");
219	}
220	LIST_FOREACH(cp2, &gp->consumer, consumer) {
221		if (cp != NULL && cp != cp2)
222			continue;
223		g_conf_consumer(sb, cp2);
224	}
225
226	LIST_FOREACH(pp2, &gp->provider, provider) {
227		if (pp != NULL && pp != pp2)
228			continue;
229		g_conf_provider(sb, pp2);
230	}
231	sbuf_printf(sb, "    </geom>\n");
232}
233
234static void
235g_conf_class(struct sbuf *sb, struct g_class *mp, struct g_geom *gp, struct g_provider *pp, struct g_consumer *cp)
236{
237	struct g_geom *gp2;
238
239	sbuf_printf(sb, "  <class id=\"%p\">\n", mp);
240	sbuf_printf(sb, "    <name>%s</name>\n", mp->name);
241	LIST_FOREACH(gp2, &mp->geom, geom) {
242		if (gp != NULL && gp != gp2)
243			continue;
244		g_conf_geom(sb, gp2, pp, cp);
245	}
246	sbuf_printf(sb, "  </class>\n");
247}
248
249void
250g_conf_specific(struct sbuf *sb, struct g_class *mp, struct g_geom *gp, struct g_provider *pp, struct g_consumer *cp)
251{
252	struct g_class *mp2;
253
254	g_topology_assert();
255	sbuf_printf(sb, "<mesh>\n");
256	LIST_FOREACH(mp2, &g_classes, class) {
257		if (mp != NULL && mp != mp2)
258			continue;
259		g_conf_class(sb, mp2, gp, pp, cp);
260	}
261	sbuf_printf(sb, "</mesh>\n");
262	sbuf_finish(sb);
263}
264
265void
266g_confxml(void *p, int flag)
267{
268
269	KASSERT(flag != EV_CANCEL, ("g_confxml was cancelled"));
270	g_topology_assert();
271	g_conf_specific(p, NULL, NULL, NULL, NULL);
272}
273
274void
275g_trace(int level, const char *fmt, ...)
276{
277	va_list ap;
278
279	if (!(g_debugflags & level))
280		return;
281	va_start(ap, fmt);
282	vprintf(fmt, ap);
283	va_end(ap);
284	printf("\n");
285}
286