1/* 2 * volume_id - reads filesystem label and uuid 3 * 4 * Copyright (C) 2005 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 silicon_meta { 24 uint8_t unknown0[0x2E]; 25 uint8_t ascii_version[0x36 - 0x2E]; 26 uint8_t diskname[0x56 - 0x36]; 27 uint8_t unknown1[0x60 - 0x56]; 28 uint32_t magic; 29 uint32_t unknown1a[0x6C - 0x64]; 30 uint32_t array_sectors_low; 31 uint32_t array_sectors_high; 32 uint8_t unknown2[0x78 - 0x74]; 33 uint32_t thisdisk_sectors; 34 uint8_t unknown3[0x100 - 0x7C]; 35 uint8_t unknown4[0x104 - 0x100]; 36 uint16_t product_id; 37 uint16_t vendor_id; 38 uint16_t minor_ver; 39 uint16_t major_ver; 40} PACKED; 41 42#define SILICON_MAGIC 0x2F000000 43 44int FAST_FUNC volume_id_probe_silicon_medley_raid(struct volume_id *id, uint64_t off, uint64_t size) 45{ 46 uint64_t meta_off; 47 struct silicon_meta *sil; 48 49 dbg("probing at offset 0x%llx, size 0x%llx", 50 (unsigned long long) off, (unsigned long long) size); 51 52 if (size < 0x10000) 53 return -1; 54 55 meta_off = ((size / 0x200)-1) * 0x200; 56 sil = volume_id_get_buffer(id, off + meta_off, 0x200); 57 if (sil == NULL) 58 return -1; 59 60 if (sil->magic != cpu_to_le32(SILICON_MAGIC)) 61 return -1; 62 63// volume_id_set_usage(id, VOLUME_ID_RAID); 64// snprintf(id->type_version, sizeof(id->type_version)-1, "%u.%u", 65// le16_to_cpu(sil->major_ver), le16_to_cpu(sil->minor_ver)); 66// id->type = "silicon_medley_raid_member"; 67 68 return 0; 69} 70