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/11.2/sys/geom/geom_dump.c 280686 2015-03-26 11:19:24Z 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 "sector=%u\\nstripe=%u\"];\n", pp, pp->name, pp->acr, pp->acw, 66 pp->ace, pp->error, pp->sectorsize, pp->stripesize); 67 } 68 69 static void 70 g_confdot_geom(struct sbuf *sb, struct g_geom *gp) 71 { 72 struct g_consumer *cp; 73 struct g_provider *pp; 74 75 sbuf_printf(sb, "z%p [shape=box,label=\"%s\\n%s\\nr#%d\"];\n", 76 gp, gp->class->name, gp->name, gp->rank); 77 LIST_FOREACH(cp, &gp->consumer, consumer) { 78 g_confdot_consumer(sb, cp); 79 sbuf_printf(sb, "z%p -> z%p;\n", gp, cp); 80 } 81 82 LIST_FOREACH(pp, &gp->provider, provider) { 83 g_confdot_provider(sb, pp); 84 sbuf_printf(sb, "z%p -> z%p;\n", pp, gp); 85 } 86 } 87 88 static void 89 g_confdot_class(struct sbuf *sb, struct g_class *mp) 90 { 91 struct g_geom *gp; 92 93 LIST_FOREACH(gp, &mp->geom, geom) 94 g_confdot_geom(sb, gp); 95 } 96 97 void 98 g_confdot(void *p, int flag ) 99 { 100 struct g_class *mp; 101 struct sbuf *sb; 102 103 KASSERT(flag != EV_CANCEL, ("g_confdot was cancelled")); 104 sb = p; 105 g_topology_assert(); 106 sbuf_printf(sb, "digraph geom {\n"); 107 LIST_FOREACH(mp, &g_classes, class) 108 g_confdot_class(sb, mp); 109 sbuf_printf(sb, "}\n"); 110 sbuf_finish(sb); 111 } 112 113 static void 114 g_conftxt_geom(struct sbuf *sb, struct g_geom *gp, int level) 115 { 116 struct g_provider *pp; 117 struct g_consumer *cp; 118 119 if (gp->flags & G_GEOM_WITHER) 120 return; 121 LIST_FOREACH(pp, &gp->provider, provider) { 122 sbuf_printf(sb, "%d %s %s %ju %u", level, gp->class->name, 123 pp->name, (uintmax_t)pp->mediasize, pp->sectorsize); 124 if (gp->dumpconf != NULL) 125 gp->dumpconf(sb, NULL, gp, NULL, pp); 126 sbuf_printf(sb, "\n"); 127 LIST_FOREACH(cp, &pp->consumers, consumers) 128 g_conftxt_geom(sb, cp->geom, level + 1); 129 } 130 } 131 132 static void 133 g_conftxt_class(struct sbuf *sb, struct g_class *mp) 134 { 135 struct g_geom *gp; 136 137 LIST_FOREACH(gp, &mp->geom, geom) 138 g_conftxt_geom(sb, gp, 0); 139 } 140 141 void 142 g_conftxt(void *p, int flag) 143 { 144 struct g_class *mp; 145 struct sbuf *sb; 146 147 KASSERT(flag != EV_CANCEL, ("g_conftxt was cancelled")); 148 sb = p; 149 g_topology_assert(); 150 LIST_FOREACH(mp, &g_classes, class) { 151 if (!strcmp(mp->name, G_DISK_CLASS_NAME) || !strcmp(mp->name, "MD")) 152 g_conftxt_class(sb, mp); 153 } 154 sbuf_finish(sb); 155 } 156 157 158 void 159 g_conf_printf_escaped(struct sbuf *sb, const char *fmt, ...) 160 { 161 struct sbuf *s; 162 const u_char *c; 163 va_list ap; 164 165 s = sbuf_new_auto(); 166 va_start(ap, fmt); 167 sbuf_vprintf(s, fmt, ap); 168 va_end(ap); 169 sbuf_finish(s); 170 171 for (c = sbuf_data(s); *c != '\0'; c++) { 172 if (*c == '&' || *c == '<' || *c == '>' || 173 *c == '\'' || *c == '"' || *c > 0x7e) 174 sbuf_printf(sb, "&#x%X;", *c); 175 else if (*c == '\t' || *c == '\n' || *c == '\r' || *c > 0x1f) 176 sbuf_putc(sb, *c); 177 else 178 sbuf_putc(sb, '?'); 179 } 180 sbuf_delete(s); 181 } 182 183 static void 184 g_conf_consumer(struct sbuf *sb, struct g_consumer *cp) 185 { 186 187 sbuf_printf(sb, "\t<consumer id=\"%p\">\n", cp); 188 sbuf_printf(sb, "\t <geom ref=\"%p\"/>\n", cp->geom); 189 if (cp->provider != NULL) 190 sbuf_printf(sb, "\t <provider ref=\"%p\"/>\n", cp->provider); 191 sbuf_printf(sb, "\t <mode>r%dw%de%d</mode>\n", 192 cp->acr, cp->acw, cp->ace); 193 if (cp->geom->flags & G_GEOM_WITHER) 194 ; 195 else if (cp->geom->dumpconf != NULL) { 196 sbuf_printf(sb, "\t <config>\n"); 197 cp->geom->dumpconf(sb, "\t ", cp->geom, cp, NULL); 198 sbuf_printf(sb, "\t </config>\n"); 199 } 200 sbuf_printf(sb, "\t</consumer>\n"); 201 } 202 203 static void 204 g_conf_provider(struct sbuf *sb, struct g_provider *pp) 205 { 206 207 sbuf_printf(sb, "\t<provider id=\"%p\">\n", pp); 208 sbuf_printf(sb, "\t <geom ref=\"%p\"/>\n", pp->geom); 209 sbuf_printf(sb, "\t <mode>r%dw%de%d</mode>\n", 210 pp->acr, pp->acw, pp->ace); 211 sbuf_printf(sb, "\t <name>"); 212 g_conf_printf_escaped(sb, "%s", pp->name); 213 sbuf_printf(sb, "</name>\n"); 214 sbuf_printf(sb, "\t <mediasize>%jd</mediasize>\n", 215 (intmax_t)pp->mediasize); 216 sbuf_printf(sb, "\t <sectorsize>%u</sectorsize>\n", pp->sectorsize); 217 sbuf_printf(sb, "\t <stripesize>%u</stripesize>\n", pp->stripesize); 218 sbuf_printf(sb, "\t <stripeoffset>%u</stripeoffset>\n", pp->stripeoffset); 219 if (pp->flags & G_PF_WITHER) 220 sbuf_printf(sb, "\t <wither/>\n"); 221 else if (pp->geom->flags & G_GEOM_WITHER) 222 ; 223 else if (pp->geom->dumpconf != NULL) { 224 sbuf_printf(sb, "\t <config>\n"); 225 pp->geom->dumpconf(sb, "\t ", pp->geom, NULL, pp); 226 sbuf_printf(sb, "\t </config>\n"); 227 } 228 sbuf_printf(sb, "\t</provider>\n"); 229 } 230 231 232 static void 233 g_conf_geom(struct sbuf *sb, struct g_geom *gp, struct g_provider *pp, struct g_consumer *cp) 234 { 235 struct g_consumer *cp2; 236 struct g_provider *pp2; 237 238 sbuf_printf(sb, " <geom id=\"%p\">\n", gp); 239 sbuf_printf(sb, " <class ref=\"%p\"/>\n", gp->class); 240 sbuf_printf(sb, " <name>"); 241 g_conf_printf_escaped(sb, "%s", gp->name); 242 sbuf_printf(sb, "</name>\n"); 243 sbuf_printf(sb, " <rank>%d</rank>\n", gp->rank); 244 if (gp->flags & G_GEOM_WITHER) 245 sbuf_printf(sb, " <wither/>\n"); 246 else if (gp->dumpconf != NULL) { 247 sbuf_printf(sb, " <config>\n"); 248 gp->dumpconf(sb, "\t", gp, NULL, NULL); 249 sbuf_printf(sb, " </config>\n"); 250 } 251 LIST_FOREACH(cp2, &gp->consumer, consumer) { 252 if (cp != NULL && cp != cp2) 253 continue; 254 g_conf_consumer(sb, cp2); 255 } 256 257 LIST_FOREACH(pp2, &gp->provider, provider) { 258 if (pp != NULL && pp != pp2) 259 continue; 260 g_conf_provider(sb, pp2); 261 } 262 sbuf_printf(sb, " </geom>\n"); 263 } 264 265 static void 266 g_conf_class(struct sbuf *sb, struct g_class *mp, struct g_geom *gp, struct g_provider *pp, struct g_consumer *cp) 267 { 268 struct g_geom *gp2; 269 270 sbuf_printf(sb, " <class id=\"%p\">\n", mp); 271 sbuf_printf(sb, " <name>"); 272 g_conf_printf_escaped(sb, "%s", mp->name); 273 sbuf_printf(sb, "</name>\n"); 274 LIST_FOREACH(gp2, &mp->geom, geom) { 275 if (gp != NULL && gp != gp2) 276 continue; 277 g_conf_geom(sb, gp2, pp, cp); 278 } 279 sbuf_printf(sb, " </class>\n"); 280 } 281 282 void 283 g_conf_specific(struct sbuf *sb, struct g_class *mp, struct g_geom *gp, struct g_provider *pp, struct g_consumer *cp) 284 { 285 struct g_class *mp2; 286 287 g_topology_assert(); 288 sbuf_printf(sb, "<mesh>\n"); 289 LIST_FOREACH(mp2, &g_classes, class) { 290 if (mp != NULL && mp != mp2) 291 continue; 292 g_conf_class(sb, mp2, gp, pp, cp); 293 } 294 sbuf_printf(sb, "</mesh>\n"); 295 sbuf_finish(sb); 296 } 297 298 void 299 g_confxml(void *p, int flag) 300 { 301 302 KASSERT(flag != EV_CANCEL, ("g_confxml was cancelled")); 303 g_topology_assert(); 304 g_conf_specific(p, NULL, NULL, NULL, NULL); 305 } 306 307 void 308 g_trace(int level, const char *fmt, ...) 309 { 310 va_list ap; 311 312 if (!(g_debugflags & level)) 313 return; 314 va_start(ap, fmt); 315 vprintf(fmt, ap); 316 va_end(ap); 317 printf("\n"); 318 }
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