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//config:### config FEATURE_VOLUMEID_HIGHPOINTRAID
  21//config:###    bool "highpoint raid"
  22//config:###    default y
  23//config:###    depends on VOLUMEID
  24
  25//kbuild:### lib-$(CONFIG_FEATURE_VOLUMEID_HIGHPOINTRAID) += highpoint.o
  26
  27#include "volume_id_internal.h"
  28
  29struct hpt37x_meta {
  30        uint8_t         filler1[32];
  31        uint32_t        magic;
  32} PACKED;
  33
  34struct hpt45x_meta {
  35        uint32_t        magic;
  36} PACKED;
  37
  38#define HPT37X_CONFIG_OFF               0x1200
  39#define HPT37X_MAGIC_OK                 0x5a7816f0
  40#define HPT37X_MAGIC_BAD                0x5a7816fd
  41
  42#define HPT45X_MAGIC_OK                 0x5a7816f3
  43#define HPT45X_MAGIC_BAD                0x5a7816fd
  44
  45
  46int FAST_FUNC volume_id_probe_highpoint_37x_raid(struct volume_id *id, uint64_t off)
  47{
  48        struct hpt37x_meta *hpt;
  49        uint32_t magic;
  50
  51        dbg("probing at offset 0x%llx", (unsigned long long) off);
  52
  53        hpt = volume_id_get_buffer(id, off + HPT37X_CONFIG_OFF, 0x200);
  54        if (hpt == NULL)
  55                return -1;
  56
  57        magic = hpt->magic;
  58        if (magic != cpu_to_le32(HPT37X_MAGIC_OK) && magic != cpu_to_le32(HPT37X_MAGIC_BAD))
  59                return -1;
  60
  61//      volume_id_set_usage(id, VOLUME_ID_RAID);
  62//      id->type = "highpoint_raid_member";
  63
  64        return 0;
  65}
  66
  67int FAST_FUNC volume_id_probe_highpoint_45x_raid(struct volume_id *id, uint64_t off, uint64_t size)
  68{
  69        struct hpt45x_meta *hpt;
  70        uint64_t meta_off;
  71        uint32_t magic;
  72
  73        dbg("probing at offset 0x%llx, size 0x%llx",
  74            (unsigned long long) off, (unsigned long long) size);
  75
  76        if (size < 0x10000)
  77                return -1;
  78
  79        meta_off = ((size / 0x200)-11) * 0x200;
  80        hpt = volume_id_get_buffer(id, off + meta_off, 0x200);
  81        if (hpt == NULL)
  82                return -1;
  83
  84        magic = hpt->magic;
  85        if (magic != cpu_to_le32(HPT45X_MAGIC_OK) && magic != cpu_to_le32(HPT45X_MAGIC_BAD))
  86                return -1;
  87
  88//      volume_id_set_usage(id, VOLUME_ID_RAID);
  89//      id->type = "highpoint_raid_member";
  90
  91        return 0;
  92}
  93