diff options
Diffstat (limited to 'extras/volume_id/lib/ddf_raid.c')
-rw-r--r-- | extras/volume_id/lib/ddf_raid.c | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/extras/volume_id/lib/ddf_raid.c b/extras/volume_id/lib/ddf_raid.c deleted file mode 100644 index 32f20ced49..0000000000 --- a/extras/volume_id/lib/ddf_raid.c +++ /dev/null @@ -1,94 +0,0 @@ -/* - * volume_id - reads filesystem label and uuid - * - * Copyright (C) 2007 Kay Sievers <kay.sievers@vrfy.org> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#ifndef _GNU_SOURCE -#define _GNU_SOURCE 1 -#endif - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <errno.h> -#include <ctype.h> -#include <byteswap.h> - -#include "libvolume_id.h" -#include "libvolume_id-private.h" - -/* http://www.snia.org/standards/home */ - -#define DDF_GUID_LENGTH 24 -#define DDF_REV_LENGTH 8 - -struct ddf_header { - uint8_t signature[4]; - uint32_t crc; - uint8_t guid[DDF_GUID_LENGTH]; - uint8_t ddf_rev[DDF_REV_LENGTH]; -} PACKED; - -int volume_id_probe_ddf_raid(struct volume_id *id, uint64_t off, uint64_t size) -{ - uint64_t ddf_off; - const uint8_t *buf; - struct ddf_header *ddf; - - info("probing at offset 0x%" PRIx64 ", size 0x%" PRIx64 "\n", off, size); - if (size < 0x30000) - return -1; - - /* header at last sector */ - ddf_off = ((size / 0x200)-1) * 0x200; - buf = volume_id_get_buffer(id, off + ddf_off, 0x200); - if (buf == NULL) - return -1; - ddf = (struct ddf_header *) buf; - if (memcmp(ddf->signature, "\x11\xde\x11\xde", 4) == 0) { - info("header (little endian) found at %" PRIu64 "\n", (off + ddf_off)); - goto found; - } - if (memcmp(ddf->signature, "\xde\x11\xde\x11", 4) == 0) { - info("header (big endian) found at %" PRIu64 "\n", (off + ddf_off)); - goto found; - } - - /* adaptec non-standard header location */ - ddf_off = ((size / 0x200)-257) * 0x200; - buf = volume_id_get_buffer(id, off + ddf_off, 0x200); - if (buf == NULL) - return -1; - ddf = (struct ddf_header *) buf; - if (memcmp(ddf->signature, "\x11\xde\x11\xde", 4) == 0) { - info("header adaptec (little endian) found at %" PRIu64 "\n", (off + ddf_off)); - goto found; - } - if (memcmp(ddf->signature, "\xde\x11\xde\x11", 4) == 0) { - info("header adaptec (big endian) found at %" PRIu64 "\n", (off + ddf_off)); - goto found; - } - - return -1; -found: - volume_id_set_uuid(id, ddf->guid, DDF_GUID_LENGTH, UUID_STRING); - snprintf(id->type_version, DDF_REV_LENGTH + 1, "%s", ddf->ddf_rev); - volume_id_set_usage(id, VOLUME_ID_RAID); - id->type = "ddf_raid_member"; - return 0; -} |