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[src/trunk]: src/sbin/gpt Add two new options:
details: https://anonhg.NetBSD.org/src/rev/a9ff61bed1a8
branches: trunk
changeset: 325016:a9ff61bed1a8
user: jnemeth <jnemeth%NetBSD.org@localhost>
date: Sat Nov 30 19:43:53 2013 +0000
description:
Add two new options:
-g which shows the GUID for a partition
-i which shows all the gory details for a particular option
XXX the output format of -i is subject to change
diffstat:
sbin/gpt/gpt.8 | 25 ++++++++++-----
sbin/gpt/show.c | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++---
2 files changed, 99 insertions(+), 14 deletions(-)
diffs (205 lines):
diff -r c9359a5b0d30 -r a9ff61bed1a8 sbin/gpt/gpt.8
--- a/sbin/gpt/gpt.8 Sat Nov 30 19:05:25 2013 +0000
+++ b/sbin/gpt/gpt.8 Sat Nov 30 19:43:53 2013 +0000
@@ -1,4 +1,4 @@
-.\" $NetBSD: gpt.8,v 1.20 2013/11/22 03:51:06 jnemeth Exp $
+.\" $NetBSD: gpt.8,v 1.21 2013/11/30 19:43:53 jnemeth Exp $
.\"
.\" Copyright (c) 2002 Marcel Moolenaar
.\" All rights reserved.
@@ -26,7 +26,7 @@
.\"
.\" $FreeBSD: src/sbin/gpt/gpt.8,v 1.17 2006/06/22 22:22:32 marcel Exp $
.\"
-.Dd November 21, 2013
+.Dd November 30, 2013
.Dt GPT 8
.Os
.Sh NAME
@@ -333,25 +333,32 @@
option is specified then the size will be adjusted to be a multiple of
alignment if possible.
.\" ==== show ====
-.It Nm Ic show Oo Fl lu Oc Ar device ...
+.It Nm Ic show Oo Fl glu Oc Oo Fl i Ar index Oc Ar device ...
The
.Ic show
command displays the current partitioning on the listed devices and gives
an overall view of the disk contents.
With the
+.Fl g
+option the GPT partition GUID will be displayed instead of the GPT partition
+type.
+With the
.Fl l
option the GPT partition label will be displayed instead of the GPT partition
type.
-The option has no effect on non-GPT partitions.
With the
.Fl u
option the GPT partition type is displayed as an UUID instead of in a
user friendly form.
-The
-.Fl l
-option takes precedence over the
-.Fl u
-option.
+With the
+.Fl i
+option, all the details of a particular GPT partition will be displayed.
+None of the options have any effect on non-GPT partitions.
+The order of precedence for the options are:
+.Fl i ,
+.Fl l ,
+.Fl g ,
+.Fl u .
.El
.Sh EXAMPLES
.Bd -literal
diff -r c9359a5b0d30 -r a9ff61bed1a8 sbin/gpt/show.c
--- a/sbin/gpt/show.c Sat Nov 30 19:05:25 2013 +0000
+++ b/sbin/gpt/show.c Sat Nov 30 19:43:53 2013 +0000
@@ -29,7 +29,7 @@
__FBSDID("$FreeBSD: src/sbin/gpt/show.c,v 1.14 2006/06/22 22:22:32 marcel Exp $");
#endif
#ifdef __RCSID
-__RCSID("$NetBSD: show.c,v 1.11 2013/10/19 02:07:08 jnemeth Exp $");
+__RCSID("$NetBSD: show.c,v 1.12 2013/11/30 19:43:53 jnemeth Exp $");
#endif
#include <sys/types.h>
@@ -46,8 +46,10 @@
static int show_label = 0;
static int show_uuid = 0;
+static int show_guid = 0;
+static unsigned int entry = 0;
-const char showmsg[] = "show [-lu] device ...";
+const char showmsg[] = "show [-glu] [-i index] device ...";
__dead static void
usage_show(void)
@@ -130,7 +132,7 @@
}
static void
-show(int fd __unused)
+show(void)
{
uuid_t type;
off_t start;
@@ -138,6 +140,7 @@
struct mbr *mbr;
struct gpt_ent *ent;
unsigned int i;
+ char *s;
printf(" %*s", lbawidth, "start");
printf(" %*s", lbawidth, "size");
@@ -194,6 +197,11 @@
if (show_label) {
printf("- \"%s\"",
utf16_to_utf8(ent->ent_name));
+ } else if (show_guid) {
+ uuid_to_string((uuid_t *)ent->ent_guid,
+ &s, NULL);
+ printf("- %s", s);
+ free(s);
} else {
le_uuid_dec(ent->ent_type, &type);
printf("- %s", friendly(&type));
@@ -208,13 +216,80 @@
}
}
+static void
+show_one(void)
+{
+ uuid_t type;
+ map_t *m;
+ struct gpt_ent *ent;
+ const char *s1;
+ char *s2;
+
+ for (m = map_first(); m != NULL; m = m->map_next)
+ if (entry == m->map_index)
+ break;
+ if (m == NULL) {
+ warnx("%s: error: could not find index %d",
+ device_name, entry);
+ return;
+ }
+ ent = m->map_data;
+
+ printf("Details for index %d:\n", entry);
+ printf("Start: %llu\n", (long long)m->map_start);
+ printf("Size: %llu\n", (long long)m->map_size);
+
+ le_uuid_dec(ent->ent_type, &type);
+ s1 = friendly(&type);
+ uuid_to_string(&type, &s2, NULL);
+ if (strcmp(s1, s2) == 0)
+ s1 = "unknown";
+ printf("Type: %s (%s)\n", s1, s2);
+ free(s2);
+
+ uuid_to_string((uuid_t *)ent->ent_guid, &s2, NULL);
+ printf("GUID: %s\n", s2);
+ free(s2);
+
+ printf("Label: %s\n", utf16_to_utf8(ent->ent_name));
+
+ printf("Attributes:\n");
+ if (ent->ent_attr == 0)
+ printf(" None\n");
+ else {
+ if (ent->ent_attr & GPT_ENT_ATTR_REQUIRED_PARTITION)
+ printf(" required for platform to function\n");
+ if (ent->ent_attr & GPT_ENT_ATTR_NO_BLOCK_IO_PROTOCOL)
+ printf(" UEFI won't recognize file system\n");
+ if (ent->ent_attr & GPT_ENT_ATTR_LEGACY_BIOS_BOOTABLE)
+ printf(" legacy BIOS boot partition\n");
+ if (ent->ent_attr & GPT_ENT_ATTR_BOOTME)
+ printf(" indicates a bootable partition\n");
+ if (ent->ent_attr & GPT_ENT_ATTR_BOOTONCE)
+ printf(" attempt to boot this partition only once\n");
+ if (ent->ent_attr & GPT_ENT_ATTR_BOOTFAILED)
+ printf(" partition that was marked bootonce but failed to boot\n");
+ }
+}
+
int
cmd_show(int argc, char *argv[])
{
+ char *p;
int ch, fd;
- while ((ch = getopt(argc, argv, "lu")) != -1) {
+ while ((ch = getopt(argc, argv, "gi:lu")) != -1) {
switch(ch) {
+ case 'g':
+ show_guid = 1;
+ break;
+ case 'i':
+ if (entry > 0)
+ usage_show();
+ entry = strtoul(optarg, &p, 10);
+ if (*p != 0 || entry < 1)
+ usage_show();
+ break;
case 'l':
show_label = 1;
break;
@@ -236,7 +311,10 @@
continue;
}
- show(fd);
+ if (entry > 1)
+ show_one();
+ else
+ show();
gpt_close(fd);
}
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