360 lines
8.4 KiB
C
360 lines
8.4 KiB
C
/*-
|
|
* Copyright (c) 2002 Marcel Moolenaar
|
|
* All rights reserved.
|
|
*
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
|
|
*/
|
|
|
|
#if HAVE_NBTOOL_CONFIG_H
|
|
#include "nbtool_config.h"
|
|
#endif
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifdef __FBSDID
|
|
__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 1.32 2016/06/09 19:04:43 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>
|
|
#else
|
|
#include <sys/bootblock.h>
|
|
#include <sys/disklabel.h>
|
|
#endif
|
|
|
|
#include <err.h>
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "map.h"
|
|
#include "gpt.h"
|
|
#include "gpt_private.h"
|
|
|
|
/*
|
|
* Allow compilation on platforms that do not have a BSD label.
|
|
* The values are valid for amd64, i386 and ia64 disklabels.
|
|
* XXX: use disklabel_params from disklabel.c
|
|
*/
|
|
#ifndef LABELOFFSET
|
|
#define LABELOFFSET 0
|
|
#endif
|
|
#ifndef LABELSECTOR
|
|
#define LABELSECTOR 1
|
|
#endif
|
|
#ifndef RAW_PART
|
|
#define RAW_PART 3
|
|
#endif
|
|
|
|
/* FreeBSD filesystem types that don't match corresponding NetBSD types */
|
|
#define FREEBSD_FS_VINUM 14
|
|
#define FREEBSD_FS_ZFS 27
|
|
|
|
static int cmd_migrate(gpt_t, int, char *[]);
|
|
|
|
static const char *migratehelp[] = {
|
|
"[-Afs] [-p partitions]",
|
|
};
|
|
|
|
struct gpt_cmd c_migrate = {
|
|
"migrate",
|
|
cmd_migrate,
|
|
migratehelp, __arraycount(migratehelp),
|
|
0,
|
|
};
|
|
|
|
#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 gpt_type_t
|
|
freebsd_fstype_to_gpt_type(gpt_t gpt, u_int i, u_int fstype)
|
|
{
|
|
switch (fstype) {
|
|
case FS_UNUSED:
|
|
return GPT_TYPE_INVALID;
|
|
case FS_SWAP:
|
|
return GPT_TYPE_FREEBSD_SWAP;
|
|
case FS_BSDFFS:
|
|
return GPT_TYPE_FREEBSD_UFS;
|
|
case FREEBSD_FS_VINUM:
|
|
return GPT_TYPE_FREEBSD_VINUM;
|
|
case FREEBSD_FS_ZFS:
|
|
return GPT_TYPE_FREEBSD_ZFS;
|
|
default:
|
|
gpt_warnx(gpt, "Unknown FreeBSD partition (%d)", fstype);
|
|
return GPT_TYPE_INVALID;
|
|
}
|
|
}
|
|
|
|
static gpt_type_t
|
|
netbsd_fstype_to_gpt_type(gpt_t gpt, u_int i, u_int fstype)
|
|
{
|
|
switch (fstype) {
|
|
case FS_UNUSED:
|
|
return GPT_TYPE_INVALID;
|
|
case FS_HFS:
|
|
return GPT_TYPE_APPLE_HFS;
|
|
case FS_EX2FS:
|
|
return GPT_TYPE_LINUX_DATA;
|
|
case FS_SWAP:
|
|
return GPT_TYPE_NETBSD_SWAP;
|
|
case FS_BSDFFS:
|
|
return GPT_TYPE_NETBSD_FFS;
|
|
case FS_BSDLFS:
|
|
return GPT_TYPE_NETBSD_LFS;
|
|
case FS_RAID:
|
|
return GPT_TYPE_NETBSD_RAIDFRAME;
|
|
case FS_CCD:
|
|
return GPT_TYPE_NETBSD_CCD;
|
|
case FS_CGD:
|
|
return GPT_TYPE_NETBSD_CGD;
|
|
default:
|
|
gpt_warnx(gpt, "Partition %u unknown type %s, "
|
|
"using \"Microsoft Basic Data\"", i, fstypename(fstype));
|
|
return GPT_TYPE_MS_BASIC_DATA;
|
|
}
|
|
}
|
|
|
|
static struct gpt_ent *
|
|
migrate_disklabel(gpt_t gpt, off_t start, struct gpt_ent *ent,
|
|
gpt_type_t (*convert)(gpt_t, u_int, u_int))
|
|
{
|
|
char *buf;
|
|
struct disklabel *dl;
|
|
off_t ofs, rawofs;
|
|
unsigned int i;
|
|
gpt_type_t type;
|
|
|
|
buf = gpt_read(gpt, start + LABELSECTOR, 1);
|
|
if (buf == NULL) {
|
|
gpt_warn(gpt, "Error reading label");
|
|
return NULL;
|
|
}
|
|
dl = (void*)(buf + LABELOFFSET);
|
|
|
|
if (le32toh(dl->d_magic) != DISKMAGIC ||
|
|
le32toh(dl->d_magic2) != DISKMAGIC) {
|
|
gpt_warnx(gpt, "MBR partition without disklabel");
|
|
free(buf);
|
|
return ent;
|
|
}
|
|
|
|
rawofs = le32toh(dl->d_partitions[RAW_PART].p_offset) *
|
|
le32toh(dl->d_secsize);
|
|
for (i = 0; i < le16toh(dl->d_npartitions); i++) {
|
|
if (dl->d_partitions[i].p_fstype == FS_UNUSED)
|
|
continue;
|
|
ofs = le32toh(dl->d_partitions[i].p_offset) *
|
|
le32toh(dl->d_secsize);
|
|
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));
|
|
|
|
type = (*convert)(gpt, i, dl->d_partitions[i].p_fstype);
|
|
if (type == GPT_TYPE_INVALID)
|
|
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;
|
|
ofs = (ofs > 0) ? ofs - rawofs : 0;
|
|
ent->ent_lba_start = htole64((uint64_t)ofs);
|
|
ent->ent_lba_end = htole64((uint64_t)(ofs +
|
|
(off_t)le32toh((uint64_t)dl->d_partitions[i].p_size)
|
|
- 1LL));
|
|
ent++;
|
|
}
|
|
|
|
free(buf);
|
|
return ent;
|
|
}
|
|
|
|
static int
|
|
migrate(gpt_t gpt, u_int parts, int force, int slice, int active)
|
|
{
|
|
off_t last = gpt_last(gpt);
|
|
map_t map;
|
|
struct gpt_ent *ent;
|
|
struct mbr *mbr;
|
|
uint32_t start, size;
|
|
unsigned int i;
|
|
gpt_type_t type = GPT_TYPE_INVALID;
|
|
|
|
map = map_find(gpt, MAP_TYPE_MBR);
|
|
if (map == NULL || map->map_start != 0) {
|
|
gpt_warnx(gpt, "No MBR in disk to convert");
|
|
return -1;
|
|
}
|
|
|
|
mbr = map->map_data;
|
|
|
|
if (gpt_create(gpt, last, parts, 0) == -1)
|
|
return -1;
|
|
|
|
ent = gpt->tbl->map_data;
|
|
|
|
/* Mirror partitions. */
|
|
for (i = 0; i < 4; i++) {
|
|
start = le16toh(mbr->mbr_part[i].part_start_hi);
|
|
start = (start << 16) + le16toh(mbr->mbr_part[i].part_start_lo);
|
|
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;
|
|
|
|
case MBR_PTYPE_386BSD: /* FreeBSD */
|
|
if (slice) {
|
|
type = GPT_TYPE_FREEBSD;
|
|
break;
|
|
} else {
|
|
ent = migrate_disklabel(gpt, start, ent,
|
|
freebsd_fstype_to_gpt_type);
|
|
continue;
|
|
}
|
|
|
|
case MBR_PTYPE_NETBSD: /* NetBSD */
|
|
ent = migrate_disklabel(gpt, start, ent,
|
|
netbsd_fstype_to_gpt_type);
|
|
continue;
|
|
|
|
case MBR_PTYPE_EFI:
|
|
type = GPT_TYPE_EFI;
|
|
break;
|
|
|
|
default:
|
|
if (!force) {
|
|
gpt_warnx(gpt, "unknown partition type (%d)",
|
|
mbr->mbr_part[i].part_typ);
|
|
return -1;
|
|
}
|
|
continue;
|
|
}
|
|
gpt_uuid_create(type, ent->ent_type, ent->ent_name,
|
|
sizeof(ent->ent_name));
|
|
ent->ent_lba_start = htole64((uint64_t)start);
|
|
ent->ent_lba_end = htole64((uint64_t)(start + size - 1LL));
|
|
ent++;
|
|
}
|
|
|
|
if (gpt_write_primary(gpt) == -1)
|
|
return -1;
|
|
|
|
if (gpt_write_backup(gpt) == -1)
|
|
return -1;
|
|
|
|
/*
|
|
* Turn the MBR into a Protective MBR.
|
|
*/
|
|
memset(mbr->mbr_part, 0, sizeof(mbr->mbr_part));
|
|
gpt_create_pmbr_part(mbr->mbr_part, last, active);
|
|
if (gpt_write(gpt, map) == -1) {
|
|
gpt_warn(gpt, "Cant write PMBR");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
cmd_migrate(gpt_t gpt, int argc, char *argv[])
|
|
{
|
|
int ch;
|
|
int force = 0;
|
|
int slice = 0;
|
|
int active = 0;
|
|
u_int parts = 128;
|
|
|
|
/* Get the migrate options */
|
|
while ((ch = getopt(argc, argv, "Afp:s")) != -1) {
|
|
switch(ch) {
|
|
case 'A':
|
|
active = 1;
|
|
break;
|
|
case 'f':
|
|
force = 1;
|
|
break;
|
|
case 'p':
|
|
if (gpt_uint_get(gpt, &parts) == -1)
|
|
return usage();
|
|
break;
|
|
case 's':
|
|
slice = 1;
|
|
break;
|
|
default:
|
|
return usage();
|
|
}
|
|
}
|
|
|
|
if (argc != optind)
|
|
return usage();
|
|
|
|
return migrate(gpt, parts, force, slice, active);
|
|
}
|