*
* Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation version 2 of the License.
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _GNU_SOURCE
#define _GNU_SOURCE 1
#endif
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <byteswap.h>
#include "libvolume_id.h"
-#include "util.h"
+#include "libvolume_id-private.h"
-static struct mdp0_super_block {
+struct mdp0_super_block {
uint32_t md_magic;
uint32_t major_version;
uint32_t minor_version;
uint32_t set_uuid1;
uint32_t set_uuid2;
uint32_t set_uuid3;
-} PACKED *mdp0;
+} PACKED;
struct mdp1_super_block {
uint32_t magic;
uint32_t pad0;
uint8_t set_uuid[16];
uint8_t set_name[32];
-} PACKED *mdp1;
+} PACKED;
#define MD_RESERVED_BYTES 0x10000
#define MD_SB_MAGIC 0xa92b4efc
static int volume_id_probe_linux_raid0(struct volume_id *id, uint64_t off, uint64_t size)
{
const uint8_t *buf;
+ struct mdp0_super_block *mdp0;
union {
uint32_t ints[4];
uint8_t bytes[16];
} uuid;
- info("probing at offset 0x%llx, size 0x%llx",
- (unsigned long long) off, (unsigned long long) size);
+ info("probing at offset 0x%" PRIx64 ", size 0x%" PRIx64 "\n", off, size);
if (size < 0x10000)
return -1;
uuid.ints[2] = 0;
uuid.ints[3] = 0;
}
- volume_id_set_uuid(id, uuid.bytes, 0, UUID_FOURINT);
+ volume_id_set_uuid(id, uuid.bytes, 0, UUID_MD);
snprintf(id->type_version, sizeof(id->type_version)-1, "%u.%u.%u",
le32_to_cpu(mdp0->major_version),
le32_to_cpu(mdp0->minor_version),
uuid.ints[2] = 0;
uuid.ints[3] = 0;
}
- volume_id_set_uuid(id, uuid.bytes, 0, UUID_FOURINT);
+ volume_id_set_uuid(id, uuid.bytes, 0, UUID_MD);
snprintf(id->type_version, sizeof(id->type_version)-1, "%u.%u.%u",
be32_to_cpu(mdp0->major_version),
be32_to_cpu(mdp0->minor_version),
static int volume_id_probe_linux_raid1(struct volume_id *id, uint64_t off, uint64_t size)
{
const uint8_t *buf;
+ struct mdp1_super_block *mdp1;
- info("probing at offset 0x%llx, size 0x%llx",
- (unsigned long long) off, (unsigned long long) size);
+ info("probing at offset 0x%" PRIx64 ", size 0x%" PRIx64 "\n", off, size);
buf = volume_id_get_buffer(id, off, 0x800);
if (buf == NULL)
if (le32_to_cpu(mdp1->major_version) != 1)
return -1;
- volume_id_set_uuid(id, mdp1->set_uuid, 0, UUID_FOURINT);
+ volume_id_set_uuid(id, mdp1->set_uuid, 0, UUID_MD);
volume_id_set_label_raw(id, mdp1->set_name, 32);
volume_id_set_label_string(id, mdp1->set_name, 32);
volume_id_set_usage(id, VOLUME_ID_RAID);
{
uint64_t sboff;
- /* version 0 at the end of the device */
- sboff = (size & ~(MD_RESERVED_BYTES - 1)) - MD_RESERVED_BYTES;
- if (volume_id_probe_linux_raid0(id, off + sboff, size) == 0)
- return 0;
-
- /* version 1.0 at the end of the device */
- sboff = (size & ~(0x1000 - 1)) - 0x2000;
- if (volume_id_probe_linux_raid1(id, off + sboff, size) == 0) {
- strcpy(id->type_version, "1.0");
- return 0;
+ if (size > MD_RESERVED_BYTES) {
+ /* version 0 at the end of the device */
+ sboff = (size & ~(MD_RESERVED_BYTES - 1)) - MD_RESERVED_BYTES;
+ if (volume_id_probe_linux_raid0(id, off + sboff, size) == 0)
+ return 0;
+
+ /* version 1.0 at the end of the device */
+ sboff = (size & ~(0x1000 - 1)) - 0x2000;
+ if (volume_id_probe_linux_raid1(id, off + sboff, size) == 0) {
+ strcpy(id->type_version, "1.0");
+ return 0;
+ }
}
/* version 1.1 at the start of the device */