/* * 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_ISWRAID //config:### bool "intel raid" //config:### default y //config:### depends on VOLUMEID //kbuild:### lib-$(CONFIG_FEATURE_VOLUMEID_ISWRAID) += isw_raid.o #include "volume_id_internal.h" struct isw_meta { uint8_t sig[32]; uint32_t check_sum; uint32_t mpb_size; uint32_t family_num; uint32_t generation_num; } PACKED; #define ISW_SIGNATURE "Intel Raid ISM Cfg Sig. " int FAST_FUNC volume_id_probe_intel_software_raid(struct volume_id *id, uint64_t off, uint64_t size) { uint64_t meta_off; struct isw_meta *isw; 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)-2) * 0x200; isw = volume_id_get_buffer(id, off + meta_off, 0x200); if (isw == NULL) return -1; if (memcmp(isw->sig, ISW_SIGNATURE, sizeof(ISW_SIGNATURE)-1) != 0) return -1; // volume_id_set_usage(id, VOLUME_ID_RAID); // memcpy(id->type_version, &isw->sig[sizeof(ISW_SIGNATURE)-1], 6); // id->type = "isw_raid_member"; return 0; }