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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: head/sys/geom/geom_dump.c 258683 2013-11-27 14:25:06Z 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 }

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