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d25c33f186
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
69 lines
1.9 KiB
C
69 lines
1.9 KiB
C
/*
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* volume_id - reads filesystem label and uuid
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*
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* Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "volume_id_internal.h"
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struct via_meta {
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uint16_t signature;
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uint8_t version_number;
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struct via_array {
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uint16_t disk_bits;
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uint8_t disk_array_ex;
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uint32_t capacity_low;
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uint32_t capacity_high;
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uint32_t serial_checksum;
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} __attribute((packed)) array;
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uint32_t serial_checksum[8];
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uint8_t checksum;
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} __attribute__((packed));
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#define VIA_SIGNATURE 0xAA55
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int volume_id_probe_via_raid(struct volume_id *id, uint64_t off, uint64_t size)
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{
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uint64_t meta_off;
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struct via_meta *via;
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dbg("probing at offset 0x%llx, size 0x%llx",
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(unsigned long long) off, (unsigned long long) size);
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if (size < 0x10000)
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return -1;
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meta_off = ((size / 0x200)-1) * 0x200;
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via = volume_id_get_buffer(id, off + meta_off, 0x200);
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if (via == NULL)
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return -1;
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if (via->signature != cpu_to_le16(VIA_SIGNATURE))
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return -1;
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if (via->version_number > 1)
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return -1;
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// volume_id_set_usage(id, VOLUME_ID_RAID);
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// id->type_version[0] = '0' + via->version_number;
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// id->type_version[1] = '\0';
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// id->type = "via_raid_member";
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return 0;
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}
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