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/*
* volume_id - reads filesystem label and uuid
*
* Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
//kbuild:### lib-$(CONFIG_FEATURE_VOLUMEID_HIGHPOINTRAID) += highpoint.o
#include "volume_id_internal.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 FAST_FUNC volume_id_probe_highpoint_37x_raid(struct volume_id *id, uint64_t off)
{
struct hpt37x_meta *hpt;
uint32_t magic;
dbg("probing at offset 0x%llx", (unsigned long long) off);
hpt = volume_id_get_buffer(id, off + HPT37X_CONFIG_OFF, 0x200);
if (hpt == NULL)
return -1;
magic = hpt->magic;
if (magic != cpu_to_le32(HPT37X_MAGIC_OK) && magic != cpu_to_le32(HPT37X_MAGIC_BAD))
return -1;
// volume_id_set_usage(id, VOLUME_ID_RAID);
// id->type = "highpoint_raid_member";
return 0;
}
int FAST_FUNC volume_id_probe_highpoint_45x_raid(struct volume_id *id, uint64_t off, uint64_t size)
{
struct hpt45x_meta *hpt;
uint64_t meta_off;
uint32_t magic;
dbg("probing at offset 0x%llx, size 0x%llx",
(unsigned long long) off, (unsigned long long) size);
if (size < 0x10000)
return -1;
meta_off = ((size / 0x200)-11) * 0x200;
hpt = volume_id_get_buffer(id, off + meta_off, 0x200);
if (hpt == NULL)
return -1;
magic = hpt->magic;
if (magic != cpu_to_le32(HPT45X_MAGIC_OK) && magic != cpu_to_le32(HPT45X_MAGIC_BAD))
return -1;
// volume_id_set_usage(id, VOLUME_ID_RAID);
// id->type = "highpoint_raid_member";
return 0;
}
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