hush/util-linux/volume_id/unused_silicon_raid.c
Denis Vlasenko d25c33f186 volume_id: disable detection routines which are not setting label and uuid anyway
function                                             old     new   delta
static.warn                                            1       -      -1
static.drive_name_string                              14      12      -2
static.offsets                                         8       -      -8
static.sectors                                        10       -     -10
fs2                                                   60      48     -12
raid2                                                 16       -     -16
uuidcache_init                                       704     677     -27
raid1                                                 32       -     -32
volume_id_probe_all                                  198     158     -40
volume_id_probe_lvm1                                  58       -     -58
volume_id_probe_highpoint_37x_raid                    63       -     -63
volume_id_probe_hpfs                                  67       -     -67
volume_id_probe_minix                                 74       -     -74
volume_id_probe_lvm2                                  78       -     -78
volume_id_probe_silicon_medley_raid                   97       -     -97
volume_id_probe_via_raid                             101       -    -101
volume_id_probe_highpoint_45x_raid                   104       -    -104
volume_id_probe_nvidia_raid                          108       -    -108
volume_id_probe_lsi_mega_raid                        108       -    -108
volume_id_probe_intel_software_raid                  108       -    -108
volume_id_probe_ufs                                  126       -    -126
volume_id_probe_promise_fasttrack_raid               144       -    -144
------------------------------------------------------------------------------
(add/remove: 0/18 grow/shrink: 0/4 up/down: 0/-1384)        Total: -1384 bytes
   text    data     bss     dec     hex filename
 794244     662    7420  802326   c3e16 busybox_old
 792698     662    7420  800780   c380c busybox_unstripped
2008-03-17 09:25:05 +00:00

70 lines
2.1 KiB
C

/*
* volume_id - reads filesystem label and uuid
*
* Copyright (C) 2005 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
*/
#include "volume_id_internal.h"
struct silicon_meta {
uint8_t unknown0[0x2E];
uint8_t ascii_version[0x36 - 0x2E];
uint8_t diskname[0x56 - 0x36];
uint8_t unknown1[0x60 - 0x56];
uint32_t magic;
uint32_t unknown1a[0x6C - 0x64];
uint32_t array_sectors_low;
uint32_t array_sectors_high;
uint8_t unknown2[0x78 - 0x74];
uint32_t thisdisk_sectors;
uint8_t unknown3[0x100 - 0x7C];
uint8_t unknown4[0x104 - 0x100];
uint16_t product_id;
uint16_t vendor_id;
uint16_t minor_ver;
uint16_t major_ver;
} __attribute__((packed));
#define SILICON_MAGIC 0x2F000000
int volume_id_probe_silicon_medley_raid(struct volume_id *id, uint64_t off, uint64_t size)
{
uint64_t meta_off;
struct silicon_meta *sil;
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)-1) * 0x200;
sil = volume_id_get_buffer(id, off + meta_off, 0x200);
if (sil == NULL)
return -1;
if (sil->magic != cpu_to_le32(SILICON_MAGIC))
return -1;
// volume_id_set_usage(id, VOLUME_ID_RAID);
// snprintf(id->type_version, sizeof(id->type_version)-1, "%u.%u",
// le16_to_cpu(sil->major_ver), le16_to_cpu(sil->minor_ver));
// id->type = "silicon_medley_raid_member";
return 0;
}