/* * volume_id - reads filesystem label and uuid * * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ //config:### config FEATURE_VOLUMEID_SILICONRAID //config:### bool "silicon raid" //config:### default y //config:### depends on VOLUMEID //kbuild:### lib-$(CONFIG_FEATURE_VOLUMEID_SILICONRAID) += silicon_raid.o #include "volume_id_internal.h" struct silicon_meta { uint8_t unknown0[0x2E]; uint8_t ascii_version[0x36 - 0x2E]; uint8_t diskname[0x56 - 0x36]; uint8_t unknown1[0x60 - 0x56]; uint32_t magic; uint32_t unknown1a[0x6C - 0x64]; uint32_t array_sectors_low; uint32_t array_sectors_high; uint8_t unknown2[0x78 - 0x74]; uint32_t thisdisk_sectors; uint8_t unknown3[0x100 - 0x7C]; uint8_t unknown4[0x104 - 0x100]; uint16_t product_id; uint16_t vendor_id; uint16_t minor_ver; uint16_t major_ver; } PACKED; #define SILICON_MAGIC 0x2F000000 int FAST_FUNC volume_id_probe_silicon_medley_raid(struct volume_id *id, uint64_t off, uint64_t size) { uint64_t meta_off; struct silicon_meta *sil; dbg("probing at offset 0x%llx, size 0x%llx", (unsigned long long) off, (unsigned long long) size); if (size < 0x10000) return -1; meta_off = ((size / 0x200)-1) * 0x200; sil = volume_id_get_buffer(id, off + meta_off, 0x200); if (sil == NULL) return -1; if (sil->magic != cpu_to_le32(SILICON_MAGIC)) return -1; // volume_id_set_usage(id, VOLUME_ID_RAID); // snprintf(id->type_version, sizeof(id->type_version)-1, "%u.%u", // le16_to_cpu(sil->major_ver), le16_to_cpu(sil->minor_ver)); // id->type = "silicon_medley_raid_member"; return 0; }