busybox/util-linux/volume_id/unused_highpoint.c
Denys Vlasenko f560422fa0 Big cleanup in config help and description
Redundant help texts (one which only repeats the description)
are deleted.

Descriptions and help texts are trimmed.

Some config options are moved, even across menus.

No config option _names_ are changed.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-10 14:58:54 +01:00

94 lines
2.5 KiB
C

/*
* 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
//config:### config FEATURE_VOLUMEID_HIGHPOINTRAID
//config:### bool "highpoint raid"
//config:### default y
//config:### depends on VOLUMEID
#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;
}