[src/trunk]: src/sbin/gpt Add debugging and more to migration

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/fb42a461ba8c
branches:  trunk
changeset: 812232:fb42a461ba8c
user:      christos <christos%NetBSD.org@localhost>
date:      Sat Dec 05 18:46:08 2015 +0000

description:
Add debugging and more to migration

diffstat:

 sbin/gpt/migrate.c |  104 +++++++++++++++++++++++++++++++++++-----------------
 1 files changed, 70 insertions(+), 34 deletions(-)

diffs (163 lines):

diff -r c449bdf6c027 -r fb42a461ba8c sbin/gpt/migrate.c
--- a/sbin/gpt/migrate.c        Sat Dec 05 18:45:35 2015 +0000
+++ b/sbin/gpt/migrate.c        Sat Dec 05 18:46:08 2015 +0000
@@ -33,11 +33,13 @@
 __FBSDID("$FreeBSD: src/sbin/gpt/migrate.c,v 1.16 2005/09/01 02:42:52 marcel Exp $");
 #endif
 #ifdef __RCSID
-__RCSID("$NetBSD: migrate.c,v 1.27 2015/12/03 02:02:43 christos Exp $");
+__RCSID("$NetBSD: migrate.c,v 1.28 2015/12/05 18:46:08 christos Exp $");
 #endif
 
 #include <sys/types.h>
 #include <sys/param.h>
+#define FSTYPENAMES
+#define MBRPTYPENAMES
 #ifdef HAVE_NBTOOL_CONFIG_H
 #include <nbinclude/sys/bootblock.h>
 #include <nbinclude/sys/disklabel.h>
@@ -91,6 +93,31 @@
 
 #define usage() gpt_usage(NULL, &c_migrate)
 
+static const char *
+fstypename(u_int t)
+{
+       static char buf[64];
+       if (t >= __arraycount(fstypenames)) {
+               snprintf(buf, sizeof(buf), "*%u*", t);
+               return buf;
+       }
+       return fstypenames[t];
+}
+
+static const char *
+mbrptypename(u_int t)
+{
+       static char buf[64];
+       size_t i;
+
+       for (i = 0; i < __arraycount(mbr_ptypes); i++)
+               if ((u_int)mbr_ptypes[i].id == t)
+                       return mbr_ptypes[i].name;
+
+       snprintf(buf, sizeof(buf), "*%u*", t);
+       return buf;
+}
+
 static struct gpt_ent *
 migrate_disklabel(gpt_t gpt, off_t start, struct gpt_ent *ent)
 {
@@ -175,7 +202,8 @@
        char *buf;
        struct disklabel *dl;
        off_t ofs, rawofs;
-       int i;
+       unsigned int i;
+       gpt_type_t type;
 
        buf = gpt_read(gpt, start + LABELSECTOR, 1);
        if (buf == NULL) {
@@ -201,47 +229,52 @@
                if (ofs < rawofs)
                        rawofs = 0;
        }
+       if (gpt->verbose > 1)
+               gpt_msg(gpt, "rawofs=%ju", (uintmax_t)rawofs);
        rawofs /= gpt->secsz;
 
        for (i = 0; i < le16toh(dl->d_npartitions); i++) {
+               if (gpt->verbose > 1)
+                       gpt_msg(gpt, "Disklabel partition %u type %s", i,
+                           fstypename(dl->d_partitions[i].p_fstype));
+
                switch (dl->d_partitions[i].p_fstype) {
                case FS_UNUSED:
                        continue;
-               case FS_SWAP: {
-                       gpt_uuid_create(GPT_TYPE_NETBSD_SWAP, ent->ent_type,
-                           ent->ent_name, sizeof(ent->ent_name));
+               case FS_HFS:
+                       type = GPT_TYPE_APPLE_HFS;
+                       break;
+               case FS_EX2FS:
+                       type = GPT_TYPE_LINUX_DATA;
+                       break;
+               case FS_SWAP:
+                       type = GPT_TYPE_NETBSD_SWAP;
+                       break;
+               case FS_BSDFFS:
+                       type = GPT_TYPE_NETBSD_FFS;
+                       break;
+               case FS_BSDLFS:
+                       type = GPT_TYPE_NETBSD_LFS;
                        break;
-               }
-               case FS_BSDFFS: {
-                       gpt_uuid_create(GPT_TYPE_NETBSD_FFS, ent->ent_type,
-                           ent->ent_name, sizeof(ent->ent_name));
+               case FS_RAID:
+                       type = GPT_TYPE_NETBSD_RAIDFRAME;
+                       break;
+               case FS_CCD:
+                       type = GPT_TYPE_NETBSD_CCD;
                        break;
-               }
-               case FS_BSDLFS: {
-                       gpt_uuid_create(GPT_TYPE_NETBSD_LFS, ent->ent_type,
-                           ent->ent_name, sizeof(ent->ent_name));
+               case FS_CGD:
+                       type = GPT_TYPE_NETBSD_CGD;
+                       break;
+               default:
+                       gpt_warnx(gpt, "Partition %u unknown type %s, "
+                           "using \"Microsoft Basic Data\"", i,
+                           fstypename(dl->d_partitions[i].p_fstype));
+                       type = GPT_TYPE_MS_BASIC_DATA;
                        break;
                }
-               case FS_RAID: {
-                       gpt_uuid_create(GPT_TYPE_NETBSD_RAIDFRAME, ent->ent_type,
-                           ent->ent_name, sizeof(ent->ent_name));
-                       break;
-               }
-               case FS_CCD: {
-                       gpt_uuid_create(GPT_TYPE_NETBSD_CCD, ent->ent_type,
-                           ent->ent_name, sizeof(ent->ent_name));
-                       break;
-               }
-               case FS_CGD: {
-                       gpt_uuid_create(GPT_TYPE_NETBSD_CGD, ent->ent_type,
-                           ent->ent_name, sizeof(ent->ent_name));
-                       break;
-               }
-               default:
-                       gpt_warnx(gpt, "Unknown NetBSD partition (%d)",
-                           dl->d_partitions[i].p_fstype);
-                       continue;
-               }
+
+               gpt_uuid_create(type, ent->ent_type,
+                   ent->ent_name, sizeof(ent->ent_name));
 
                ofs = (le32toh(dl->d_partitions[i].p_offset) *
                    le32toh(dl->d_secsize)) / gpt->secsz;
@@ -269,7 +302,7 @@
 
        map = map_find(gpt, MAP_TYPE_MBR);
        if (map == NULL || map->map_start != 0) {
-               gpt_warnx(gpt, "No partitions to convert");
+               gpt_warnx(gpt, "No MBR in disk to convert");
                return -1;
        }
 
@@ -287,6 +320,9 @@
                size = le16toh(mbr->mbr_part[i].part_size_hi);
                size = (size << 16) + le16toh(mbr->mbr_part[i].part_size_lo);
 
+               if (gpt->verbose > 1)
+                       gpt_msg(gpt, "MBR partition %u type %s", i,
+                           mbrptypename(mbr->mbr_part[i].part_typ));
                switch (mbr->mbr_part[i].part_typ) {
                case MBR_PTYPE_UNUSED:
                        continue;