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

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    Revision 816 - (hide annotations) (download)
    Fri Apr 24 18:33:46 2009 UTC (15 years, 1 month ago) by niro
    File MIME type: text/plain
    File size: 2366 byte(s) 
    -updated to busybox-1.13.4
    1 niro 816 /*
    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     } __attribute__((packed));
    27    
    28     struct 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    
    40     int 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 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     }