highpoint.c revision 2603474ff9be2418900581da1af5cccc9f13cae1
/*
* volume_id - reads filesystem label and uuid
*
* 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.
*/
#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 <string.h>
#include <errno.h>
#include <ctype.h>
#include "libvolume_id.h"
#include "libvolume_id-private.h"
#include "util.h"
struct hpt37x_meta {
uint8_t filler1[32];
uint32_t magic;
} PACKED;
struct hpt45x_meta {
uint32_t magic;
} PACKED;
#define HPT37X_CONFIG_OFF 0x1200
#define HPT37X_MAGIC_OK 0x5a7816f0
#define HPT37X_MAGIC_BAD 0x5a7816fd
#define HPT45X_MAGIC_OK 0x5a7816f3
#define HPT45X_MAGIC_BAD 0x5a7816fd
int volume_id_probe_highpoint_37x_raid(struct volume_id *id, uint64_t off, uint64_t size)
{
const uint8_t *buf;
struct hpt37x_meta *hpt;
uint32_t magic;
info("probing at offset 0x%llx\n", (unsigned long long) off);
buf = volume_id_get_buffer(id, off + HPT37X_CONFIG_OFF, 0x200);
if (buf == NULL)
return -1;
hpt = (struct hpt37x_meta *) buf;
magic = le32_to_cpu(hpt->magic);
if (magic != HPT37X_MAGIC_OK && magic != HPT37X_MAGIC_BAD)
return -1;
volume_id_set_usage(id, VOLUME_ID_RAID);
id->type = "highpoint_raid_member";
return 0;
}
int volume_id_probe_highpoint_45x_raid(struct volume_id *id, uint64_t off, uint64_t size)
{
const uint8_t *buf;
struct hpt45x_meta *hpt;
uint64_t meta_off;
uint32_t magic;
dbg("probing at offset 0x%llx, size 0x%llx\n",
(unsigned long long) off, (unsigned long long) size);
if (size < 0x10000)
return -1;
meta_off = ((size / 0x200)-11) * 0x200;
buf = volume_id_get_buffer(id, off + meta_off, 0x200);
if (buf == NULL)
return -1;
hpt = (struct hpt45x_meta *) buf;
magic = le32_to_cpu(hpt->magic);
if (magic != HPT45X_MAGIC_OK && magic != HPT45X_MAGIC_BAD)
return -1;
volume_id_set_usage(id, VOLUME_ID_RAID);
id->type = "highpoint_raid_member";
return 0;
}