LXR busybox/util-linux/volume_id/unused

   1/*
   2 * volume_id - reads filesystem label and uuid
   3 *
   4 * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
   5 *
   6 *      This library is free software; you can redistribute it and/or
   7 *      modify it under the terms of the GNU Lesser General Public
   8 *      License as published by the Free Software Foundation; either
   9 *      version 2.1 of the License, or (at your option) any later version.
  10 *
  11 *      This library is distributed in the hope that it will be useful,
  12 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14 *      Lesser General Public License for more details.
  15 *
  16 *      You should have received a copy of the GNU Lesser General Public
  17 *      License along with this library; if not, write to the Free Software
  18 *      Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19 */
  20
  21#include "volume_id_internal.h"
  22
  23struct hpt37x_meta {
  24        uint8_t         filler1[32];
  25        uint32_t        magic;
  26} __attribute__((packed));
  27
  28struct hpt45x_meta {
  29        uint32_t        magic;
  30} __attribute__((packed));
  31
  32#define HPT37X_CONFIG_OFF               0x1200
  33#define HPT37X_MAGIC_OK                 0x5a7816f0
  34#define HPT37X_MAGIC_BAD                0x5a7816fd
  35
  36#define HPT45X_MAGIC_OK                 0x5a7816f3
  37#define HPT45X_MAGIC_BAD                0x5a7816fd
  38
  39
  40int volume_id_probe_highpoint_37x_raid(struct volume_id *id, uint64_t off)
  41{
  42        struct hpt37x_meta *hpt;
  43        uint32_t magic;
  44
  45        dbg("probing at offset 0x%llx", (unsigned long long) off);
  46
  47        hpt = volume_id_get_buffer(id, off + HPT37X_CONFIG_OFF, 0x200);
  48        if (hpt == NULL)
  49                return -1;
  50
  51        magic = hpt->magic;
  52        if (magic != cpu_to_le32(HPT37X_MAGIC_OK) && magic != cpu_to_le32(HPT37X_MAGIC_BAD))
  53                return -1;
  54
  55//      volume_id_set_usage(id, VOLUME_ID_RAID);
  56//      id->type = "highpoint_raid_member";
  57
  58        return 0;
  59}
  60
  61int volume_id_probe_highpoint_45x_raid(struct volume_id *id, uint64_t off, uint64_t size)
  62{
  63        struct hpt45x_meta *hpt;
  64        uint64_t meta_off;
  65        uint32_t magic;
  66
  67        dbg("probing at offset 0x%llx, size 0x%llx",
  68            (unsigned long long) off, (unsigned long long) size);
  69
  70        if (size < 0x10000)
  71                return -1;
  72
  73        meta_off = ((size / 0x200)-11) * 0x200;
  74        hpt = volume_id_get_buffer(id, off + meta_off, 0x200);
  75        if (hpt == NULL)
  76                return -1;
  77
  78        magic = hpt->magic;
  79        if (magic != cpu_to_le32(HPT45X_MAGIC_OK) && magic != cpu_to_le32(HPT45X_MAGIC_BAD))
  80                return -1;
  81
  82//      volume_id_set_usage(id, VOLUME_ID_RAID);
  83//      id->type = "highpoint_raid_member";
  84
  85        return 0;
  86}
  87