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    Contents of /trunk/mkinitrd-magellan/busybox/util-linux/volume_id/unused_highpoint.c

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    Revision 984 - (show annotations) (download)
    Sun May 30 11:32:42 2010 UTC (13 years, 11 months ago) by niro
    File MIME type: text/plain
    File size: 2352 byte(s) 
    -updated to busybox-1.16.1 and enabled blkid/uuid support in default config
    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
    23 struct hpt37x_meta {
    24 uint8_t filler1[32];
    25 uint32_t magic;
    26 } PACKED;
    27
    28 struct hpt45x_meta {
    29 uint32_t magic;
    30 } 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
    40 int FAST_FUNC 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
    61 int FAST_FUNC 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 }