From e60683a0d553b6488c564863f4e48954944fb0f8 Mon Sep 17 00:00:00 2001 From: bigbiff bigbiff Date: Fri, 22 Feb 2013 20:55:50 -0500 Subject: use libblkid to get filesystem type we can now use libblkid to detect exfat --- libblkid/isw_raid.c | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 libblkid/isw_raid.c (limited to 'libblkid/isw_raid.c') diff --git a/libblkid/isw_raid.c b/libblkid/isw_raid.c new file mode 100644 index 000000000..755c1b652 --- /dev/null +++ b/libblkid/isw_raid.c @@ -0,0 +1,65 @@ +/* + * Copyright (C) 2008 Karel Zak + * + * Inspired by libvolume_id by + * Kay Sievers + * + * This file may be redistributed under the terms of the + * GNU Lesser General Public License. + */ +#include +#include +#include +#include +#include + +#include "superblocks.h" + +struct isw_metadata { + uint8_t sig[32]; + uint32_t check_sum; + uint32_t mpb_size; + uint32_t family_num; + uint32_t generation_num; +}; + +#define ISW_SIGNATURE "Intel Raid ISM Cfg Sig. " + + +static int probe_iswraid(blkid_probe pr, + const struct blkid_idmag *mag __attribute__((__unused__))) +{ + uint64_t off; + struct isw_metadata *isw; + + if (pr->size < 0x10000) + return -1; + if (!S_ISREG(pr->mode) && !blkid_probe_is_wholedisk(pr)) + return -1; + + off = ((pr->size / 0x200) - 2) * 0x200; + isw = (struct isw_metadata *) + blkid_probe_get_buffer(pr, + off, + sizeof(struct isw_metadata)); + if (!isw) + return -1; + if (memcmp(isw->sig, ISW_SIGNATURE, sizeof(ISW_SIGNATURE)-1) != 0) + return -1; + if (blkid_probe_sprintf_version(pr, "%6s", + &isw->sig[sizeof(ISW_SIGNATURE)-1]) != 0) + return -1; + if (blkid_probe_set_magic(pr, off, sizeof(isw->sig), + (unsigned char *) isw->sig)) + return -1; + return 0; +} + +const struct blkid_idinfo iswraid_idinfo = { + .name = "isw_raid_member", + .usage = BLKID_USAGE_RAID, + .probefunc = probe_iswraid, + .magics = BLKID_NONE_MAGIC +}; + + -- cgit v1.2.3