Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/geom/geom_dump.c
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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/10.1/sys/geom/geom_dump.c 260479 2014-01-09 11:13:03Z mav $"); 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 void 158 g_conf_printf_escaped(struct sbuf *sb, const char *fmt, ...) 159 { 160 struct sbuf *s; 161 const u_char *c; 162 va_list ap; 163 164 s = sbuf_new_auto(); 165 va_start(ap, fmt); 166 sbuf_vprintf(s, fmt, ap); 167 va_end(ap); 168 sbuf_finish(s); 169 170 for (c = sbuf_data(s); *c != '\0'; c++) { 171 if (*c == '&' || *c == '<' || *c == '>' || 172 *c == '\'' || *c == '"' || *c > 0x7e) 173 sbuf_printf(sb, "&#x%X;", *c); 174 else if (*c == '\t' || *c == '\n' || *c == '\r' || *c > 0x1f) 175 sbuf_putc(sb, *c); 176 else 177 sbuf_putc(sb, '?'); 178 } 179 sbuf_delete(s); 180 } 181 182 static void 183 g_conf_consumer(struct sbuf *sb, struct g_consumer *cp) 184 { 185 186 sbuf_printf(sb, "\t<consumer id=\"%p\">\n", cp); 187 sbuf_printf(sb, "\t <geom ref=\"%p\"/>\n", cp->geom); 188 if (cp->provider != NULL) 189 sbuf_printf(sb, "\t <provider ref=\"%p\"/>\n", cp->provider); 190 sbuf_printf(sb, "\t <mode>r%dw%de%d</mode>\n", 191 cp->acr, cp->acw, cp->ace); 192 if (cp->geom->flags & G_GEOM_WITHER) 193 ; 194 else if (cp->geom->dumpconf != NULL) { 195 sbuf_printf(sb, "\t <config>\n"); 196 cp->geom->dumpconf(sb, "\t ", cp->geom, cp, NULL); 197 sbuf_printf(sb, "\t </config>\n"); 198 } 199 sbuf_printf(sb, "\t</consumer>\n"); 200 } 201 202 static void 203 g_conf_provider(struct sbuf *sb, struct g_provider *pp) 204 { 205 206 sbuf_printf(sb, "\t<provider id=\"%p\">\n", pp); 207 sbuf_printf(sb, "\t <geom ref=\"%p\"/>\n", pp->geom); 208 sbuf_printf(sb, "\t <mode>r%dw%de%d</mode>\n", 209 pp->acr, pp->acw, pp->ace); 210 sbuf_printf(sb, "\t <name>"); 211 g_conf_printf_escaped(sb, "%s", pp->name); 212 sbuf_printf(sb, "</name>\n"); 213 sbuf_printf(sb, "\t <mediasize>%jd</mediasize>\n", 214 (intmax_t)pp->mediasize); 215 sbuf_printf(sb, "\t <sectorsize>%u</sectorsize>\n", pp->sectorsize); 216 sbuf_printf(sb, "\t <stripesize>%u</stripesize>\n", pp->stripesize); 217 sbuf_printf(sb, "\t <stripeoffset>%u</stripeoffset>\n", pp->stripeoffset); 218 if (pp->geom->flags & G_GEOM_WITHER) 219 ; 220 else if (pp->geom->dumpconf != NULL) { 221 sbuf_printf(sb, "\t <config>\n"); 222 pp->geom->dumpconf(sb, "\t ", pp->geom, NULL, pp); 223 sbuf_printf(sb, "\t </config>\n"); 224 } 225 sbuf_printf(sb, "\t</provider>\n"); 226 } 227 228 229 static void 230 g_conf_geom(struct sbuf *sb, struct g_geom *gp, struct g_provider *pp, struct g_consumer *cp) 231 { 232 struct g_consumer *cp2; 233 struct g_provider *pp2; 234 235 sbuf_printf(sb, " <geom id=\"%p\">\n", gp); 236 sbuf_printf(sb, " <class ref=\"%p\"/>\n", gp->class); 237 sbuf_printf(sb, " <name>"); 238 g_conf_printf_escaped(sb, "%s", gp->name); 239 sbuf_printf(sb, "</name>\n"); 240 sbuf_printf(sb, " <rank>%d</rank>\n", gp->rank); 241 if (gp->flags & G_GEOM_WITHER) 242 sbuf_printf(sb, " <wither/>\n"); 243 else if (gp->dumpconf != NULL) { 244 sbuf_printf(sb, " <config>\n"); 245 gp->dumpconf(sb, "\t", gp, NULL, NULL); 246 sbuf_printf(sb, " </config>\n"); 247 } 248 LIST_FOREACH(cp2, &gp->consumer, consumer) { 249 if (cp != NULL && cp != cp2) 250 continue; 251 g_conf_consumer(sb, cp2); 252 } 253 254 LIST_FOREACH(pp2, &gp->provider, provider) { 255 if (pp != NULL && pp != pp2) 256 continue; 257 g_conf_provider(sb, pp2); 258 } 259 sbuf_printf(sb, " </geom>\n"); 260 } 261 262 static void 263 g_conf_class(struct sbuf *sb, struct g_class *mp, struct g_geom *gp, struct g_provider *pp, struct g_consumer *cp) 264 { 265 struct g_geom *gp2; 266 267 sbuf_printf(sb, " <class id=\"%p\">\n", mp); 268 sbuf_printf(sb, " <name>"); 269 g_conf_printf_escaped(sb, "%s", mp->name); 270 sbuf_printf(sb, "</name>\n"); 271 LIST_FOREACH(gp2, &mp->geom, geom) { 272 if (gp != NULL && gp != gp2) 273 continue; 274 g_conf_geom(sb, gp2, pp, cp); 275 } 276 sbuf_printf(sb, " </class>\n"); 277 } 278 279 void 280 g_conf_specific(struct sbuf *sb, struct g_class *mp, struct g_geom *gp, struct g_provider *pp, struct g_consumer *cp) 281 { 282 struct g_class *mp2; 283 284 g_topology_assert(); 285 sbuf_printf(sb, "<mesh>\n"); 286 LIST_FOREACH(mp2, &g_classes, class) { 287 if (mp != NULL && mp != mp2) 288 continue; 289 g_conf_class(sb, mp2, gp, pp, cp); 290 } 291 sbuf_printf(sb, "</mesh>\n"); 292 sbuf_finish(sb); 293 } 294 295 void 296 g_confxml(void *p, int flag) 297 { 298 299 KASSERT(flag != EV_CANCEL, ("g_confxml was cancelled")); 300 g_topology_assert(); 301 g_conf_specific(p, NULL, NULL, NULL, NULL); 302 } 303 304 void 305 g_trace(int level, const char *fmt, ...) 306 { 307 va_list ap; 308 309 if (!(g_debugflags & level)) 310 return; 311 va_start(ap, fmt); 312 vprintf(fmt, ap); 313 va_end(ap); 314 printf("\n"); 315 }
Cache object: 1861c13a23fac7bee171ccca0b460530
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