diff options
Diffstat (limited to 'sbin/geom/class/part/geom_part.c')
| -rw-r--r-- | sbin/geom/class/part/geom_part.c | 184 |
1 files changed, 183 insertions, 1 deletions
diff --git a/sbin/geom/class/part/geom_part.c b/sbin/geom/class/part/geom_part.c index ce9dfb3..30db6c0 100644 --- a/sbin/geom/class/part/geom_part.c +++ b/sbin/geom/class/part/geom_part.c @@ -31,8 +31,8 @@ __FBSDID("$FreeBSD$"); #include <stdint.h> #include <stdlib.h> #include <unistd.h> +#include <err.h> #include <fcntl.h> -#include <readpassphrase.h> #include <string.h> #include <strings.h> #include <libgeom.h> @@ -49,6 +49,8 @@ uint32_t version = 0; static char optional[] = ""; static char flags[] = "C"; +static void gpart_show(struct gctl_req *, unsigned); + struct g_command class_commands[] = { { "add", 0, NULL, { { 'b', "start", NULL, G_TYPE_STRING }, @@ -86,6 +88,186 @@ struct g_command class_commands[] = { G_OPT_SENTINEL }, "geom", NULL }, + { "show", 0, gpart_show, G_NULL_OPTS, "[geom ...]", NULL }, { "undo", 0, NULL, G_NULL_OPTS, "geom", NULL }, G_CMD_SENTINEL }; + +static struct gclass * +find_class(struct gmesh *mesh, const char *name) +{ + struct gclass *classp; + + LIST_FOREACH(classp, &mesh->lg_class, lg_class) { + if (strcmp(classp->lg_name, name) == 0) + return (classp); + } + return (NULL); +} + +static struct ggeom * +find_geom(struct gclass *classp, const char *name) +{ + struct ggeom *gp; + + LIST_FOREACH(gp, &classp->lg_geom, lg_geom) { + if (strcmp(gp->lg_name, name) == 0) + return (gp); + } + return (NULL); +} + +static const char * +find_geomcfg(struct ggeom *gp, const char *cfg) +{ + struct gconfig *gc; + + LIST_FOREACH(gc, &gp->lg_config, lg_config) { + if (!strcmp(gc->lg_name, cfg)) + return (gc->lg_val); + } + return (NULL); +} + +static const char * +find_provcfg(struct gprovider *pp, const char *cfg) +{ + struct gconfig *gc; + + LIST_FOREACH(gc, &pp->lg_config, lg_config) { + if (!strcmp(gc->lg_name, cfg)) + return (gc->lg_val); + } + return (NULL); +} + +static struct gprovider * +find_provider(struct ggeom *gp, unsigned long long minsector) +{ + struct gprovider *pp, *bestpp; + unsigned long long offset; + unsigned long long sector, bestsector; + + bestpp = NULL; + LIST_FOREACH(pp, &gp->lg_provider, lg_provider) { + offset = atoll(find_provcfg(pp, "offset")); + sector = offset / pp->lg_sectorsize; + if (sector < minsector) + continue; + if (bestpp != NULL && sector >= bestsector) + continue; + bestpp = pp; + bestsector = sector; + } + return (bestpp); +} + +static const char * +fmtsize(long double rawsz) +{ + static char buf[32]; + static const char *sfx[] = { "B", "KB", "MB", "GB", "TB" }; + long double sz; + int sfxidx; + + sfxidx = 0; + sz = (long double)rawsz; + while (sfxidx < 4 && sz > 1099.0) { + sz /= 1000; + sfxidx++; + } + + sprintf(buf, "%.1Lf%s", sz, sfx[sfxidx]); + return (buf); +} + +static void +gpart_show_geom(struct ggeom *gp) +{ + struct gprovider *pp; + const char *s, *scheme; + unsigned long long first, last, sector, end; + unsigned long long offset, length, secsz; + int idx, wblocks, wname; + + scheme = find_geomcfg(gp, "scheme"); + s = find_geomcfg(gp, "first"); + first = atoll(s); + s = find_geomcfg(gp, "last"); + last = atoll(s); + wblocks = strlen(s); + wname = strlen(gp->lg_name); + pp = LIST_FIRST(&gp->lg_consumer)->lg_provider; + secsz = pp->lg_sectorsize; + printf("=>%*llu %*llu %*s %s (%s)\n", + wblocks, first, wblocks, (last - first + 1), + wname, gp->lg_name, + scheme, fmtsize(pp->lg_mediasize)); + + while ((pp = find_provider(gp, first)) != NULL) { + s = find_provcfg(pp, "offset"); + offset = atoll(s); + sector = offset / secsz; + s = find_provcfg(pp, "length"); + length = atoll(s); + s = find_provcfg(pp, "index"); + idx = atoi(s); + end = sector + length / secsz; + if (first < sector) { + printf(" %*llu %*llu %*s - free - (%s)\n", + wblocks, first, wblocks, sector - first, + wname, "", + fmtsize((sector - first) * secsz)); + } + printf(" %*llu %*llu %*d %s (%s)\n", + wblocks, sector, wblocks, end - sector, + wname, idx, + find_provcfg(pp, "type"), fmtsize(pp->lg_mediasize)); + first = end; + } + if (first <= last) { + printf(" %*llu %*llu %*s - free - (%s)\n", + wblocks, first, wblocks, last - first + 1, + wname, "", + fmtsize((last - first + 1) * secsz)); + } + printf("\n"); +} + +static void +gpart_show(struct gctl_req *req, unsigned fl __unused) +{ + struct gmesh mesh; + struct gclass *classp; + struct ggeom *gp; + const char *name; + int error, i, nargs; + + name = gctl_get_ascii(req, "class"); + if (name == NULL) + abort(); + error = geom_gettree(&mesh); + if (error != 0) + errc(EXIT_FAILURE, error, "Cannot get GEOM tree"); + classp = find_class(&mesh, name); + if (classp == NULL) { + geom_deletetree(&mesh); + errx(EXIT_FAILURE, "Class %s not found.", name); + } + nargs = gctl_get_int(req, "nargs"); + if (nargs > 0) { + for (i = 0; i < nargs; i++) { + name = gctl_get_ascii(req, "arg%d", i); + gp = find_geom(classp, name); + if (gp != NULL) + gpart_show_geom(gp); + else + errx(EXIT_FAILURE, "No such geom: %s.", name); + } + } else { + LIST_FOREACH(gp, &classp->lg_geom, lg_geom) { + gpart_show_geom(gp); + } + } + geom_deletetree(&mesh); +} |
