freebsd-dev/sys/geom/geom_dump.c
Xin LI 35daa28f30 Expose stripe offset and stripe size through libgeom and geom(8) userland
utilities.

Reviewed by:	pjd, mav (earlier version)
2010-01-17 06:20:30 +00:00

286 lines
7.8 KiB
C

/*-
* Copyright (c) 2002 Poul-Henning Kamp
* Copyright (c) 2002 Networks Associates Technology, Inc.
* All rights reserved.
*
* This software was developed for the FreeBSD Project by Poul-Henning Kamp
* and NAI Labs, the Security Research Division of Network Associates, Inc.
* under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
* DARPA CHATS research program.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The names of the authors may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/sbuf.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <machine/stdarg.h>
#include <geom/geom.h>
#include <geom/geom_int.h>
static void
g_confdot_consumer(struct sbuf *sb, struct g_consumer *cp)
{
sbuf_printf(sb, "z%p [label=\"r%dw%de%d\"];\n",
cp, cp->acr, cp->acw, cp->ace);
if (cp->provider)
sbuf_printf(sb, "z%p -> z%p;\n", cp, cp->provider);
}
static void
g_confdot_provider(struct sbuf *sb, struct g_provider *pp)
{
sbuf_printf(sb, "z%p [shape=hexagon,label=\"%s\\nr%dw%de%d\\nerr#%d\"];\n",
pp, pp->name, pp->acr, pp->acw, pp->ace, pp->error);
}
static void
g_confdot_geom(struct sbuf *sb, struct g_geom *gp)
{
struct g_consumer *cp;
struct g_provider *pp;
sbuf_printf(sb, "z%p [shape=box,label=\"%s\\n%s\\nr#%d\"];\n",
gp, gp->class->name, gp->name, gp->rank);
LIST_FOREACH(cp, &gp->consumer, consumer) {
g_confdot_consumer(sb, cp);
sbuf_printf(sb, "z%p -> z%p;\n", gp, cp);
}
LIST_FOREACH(pp, &gp->provider, provider) {
g_confdot_provider(sb, pp);
sbuf_printf(sb, "z%p -> z%p;\n", pp, gp);
}
}
static void
g_confdot_class(struct sbuf *sb, struct g_class *mp)
{
struct g_geom *gp;
LIST_FOREACH(gp, &mp->geom, geom)
g_confdot_geom(sb, gp);
}
void
g_confdot(void *p, int flag )
{
struct g_class *mp;
struct sbuf *sb;
KASSERT(flag != EV_CANCEL, ("g_confdot was cancelled"));
sb = p;
g_topology_assert();
sbuf_printf(sb, "digraph geom {\n");
LIST_FOREACH(mp, &g_classes, class)
g_confdot_class(sb, mp);
sbuf_printf(sb, "};\n");
sbuf_finish(sb);
}
static void
g_conftxt_geom(struct sbuf *sb, struct g_geom *gp, int level)
{
struct g_provider *pp;
struct g_consumer *cp;
if (gp->flags & G_GEOM_WITHER)
return;
LIST_FOREACH(pp, &gp->provider, provider) {
sbuf_printf(sb, "%d %s %s %ju %u", level, gp->class->name,
pp->name, (uintmax_t)pp->mediasize, pp->sectorsize);
if (gp->dumpconf != NULL)
gp->dumpconf(sb, NULL, gp, NULL, pp);
sbuf_printf(sb, "\n");
LIST_FOREACH(cp, &pp->consumers, consumers)
g_conftxt_geom(sb, cp->geom, level + 1);
}
}
static void
g_conftxt_class(struct sbuf *sb, struct g_class *mp)
{
struct g_geom *gp;
LIST_FOREACH(gp, &mp->geom, geom)
g_conftxt_geom(sb, gp, 0);
}
void
g_conftxt(void *p, int flag)
{
struct g_class *mp;
struct sbuf *sb;
KASSERT(flag != EV_CANCEL, ("g_conftxt was cancelled"));
sb = p;
g_topology_assert();
LIST_FOREACH(mp, &g_classes, class) {
if (!strcmp(mp->name, "DISK") || !strcmp(mp->name, "MD"))
g_conftxt_class(sb, mp);
}
sbuf_finish(sb);
}
static void
g_conf_consumer(struct sbuf *sb, struct g_consumer *cp)
{
sbuf_printf(sb, "\t<consumer id=\"%p\">\n", cp);
sbuf_printf(sb, "\t <geom ref=\"%p\"/>\n", cp->geom);
if (cp->provider != NULL)
sbuf_printf(sb, "\t <provider ref=\"%p\"/>\n", cp->provider);
sbuf_printf(sb, "\t <mode>r%dw%de%d</mode>\n",
cp->acr, cp->acw, cp->ace);
if (cp->geom->flags & G_GEOM_WITHER)
;
else if (cp->geom->dumpconf != NULL) {
sbuf_printf(sb, "\t <config>\n");
cp->geom->dumpconf(sb, "\t ", cp->geom, cp, NULL);
sbuf_printf(sb, "\t </config>\n");
}
sbuf_printf(sb, "\t</consumer>\n");
}
static void
g_conf_provider(struct sbuf *sb, struct g_provider *pp)
{
sbuf_printf(sb, "\t<provider id=\"%p\">\n", pp);
sbuf_printf(sb, "\t <geom ref=\"%p\"/>\n", pp->geom);
sbuf_printf(sb, "\t <mode>r%dw%de%d</mode>\n",
pp->acr, pp->acw, pp->ace);
sbuf_printf(sb, "\t <name>%s</name>\n", pp->name);
sbuf_printf(sb, "\t <mediasize>%jd</mediasize>\n",
(intmax_t)pp->mediasize);
sbuf_printf(sb, "\t <sectorsize>%u</sectorsize>\n", pp->sectorsize);
if (pp->stripesize > 0) {
sbuf_printf(sb, "\t <stripesize>%u</stripesize>\n", pp->stripesize);
sbuf_printf(sb, "\t <stripeoffset>%u</stripeoffset>\n", pp->stripeoffset);
}
if (pp->geom->flags & G_GEOM_WITHER)
;
else if (pp->geom->dumpconf != NULL) {
sbuf_printf(sb, "\t <config>\n");
pp->geom->dumpconf(sb, "\t ", pp->geom, NULL, pp);
sbuf_printf(sb, "\t </config>\n");
}
sbuf_printf(sb, "\t</provider>\n");
}
static void
g_conf_geom(struct sbuf *sb, struct g_geom *gp, struct g_provider *pp, struct g_consumer *cp)
{
struct g_consumer *cp2;
struct g_provider *pp2;
sbuf_printf(sb, " <geom id=\"%p\">\n", gp);
sbuf_printf(sb, " <class ref=\"%p\"/>\n", gp->class);
sbuf_printf(sb, " <name>%s</name>\n", gp->name);
sbuf_printf(sb, " <rank>%d</rank>\n", gp->rank);
if (gp->flags & G_GEOM_WITHER)
sbuf_printf(sb, " <wither/>\n");
else if (gp->dumpconf != NULL) {
sbuf_printf(sb, " <config>\n");
gp->dumpconf(sb, "\t", gp, NULL, NULL);
sbuf_printf(sb, " </config>\n");
}
LIST_FOREACH(cp2, &gp->consumer, consumer) {
if (cp != NULL && cp != cp2)
continue;
g_conf_consumer(sb, cp2);
}
LIST_FOREACH(pp2, &gp->provider, provider) {
if (pp != NULL && pp != pp2)
continue;
g_conf_provider(sb, pp2);
}
sbuf_printf(sb, " </geom>\n");
}
static void
g_conf_class(struct sbuf *sb, struct g_class *mp, struct g_geom *gp, struct g_provider *pp, struct g_consumer *cp)
{
struct g_geom *gp2;
sbuf_printf(sb, " <class id=\"%p\">\n", mp);
sbuf_printf(sb, " <name>%s</name>\n", mp->name);
LIST_FOREACH(gp2, &mp->geom, geom) {
if (gp != NULL && gp != gp2)
continue;
g_conf_geom(sb, gp2, pp, cp);
}
sbuf_printf(sb, " </class>\n");
}
void
g_conf_specific(struct sbuf *sb, struct g_class *mp, struct g_geom *gp, struct g_provider *pp, struct g_consumer *cp)
{
struct g_class *mp2;
g_topology_assert();
sbuf_printf(sb, "<mesh>\n");
LIST_FOREACH(mp2, &g_classes, class) {
if (mp != NULL && mp != mp2)
continue;
g_conf_class(sb, mp2, gp, pp, cp);
}
sbuf_printf(sb, "</mesh>\n");
sbuf_finish(sb);
}
void
g_confxml(void *p, int flag)
{
KASSERT(flag != EV_CANCEL, ("g_confxml was cancelled"));
g_topology_assert();
g_conf_specific(p, NULL, NULL, NULL, NULL);
}
void
g_trace(int level, const char *fmt, ...)
{
va_list ap;
if (!(g_debugflags & level))
return;
va_start(ap, fmt);
vprintf(fmt, ap);
va_end(ap);
printf("\n");
}