diff options
Diffstat (limited to 'shlibs/blkid/src/probers/silicon_raid.c')
| -rw-r--r-- | shlibs/blkid/src/probers/silicon_raid.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/shlibs/blkid/src/probers/silicon_raid.c b/shlibs/blkid/src/probers/silicon_raid.c new file mode 100644 index 000000000..a65d79a83 --- /dev/null +++ b/shlibs/blkid/src/probers/silicon_raid.c @@ -0,0 +1,77 @@ +/* + * Copyright (C) 2008 Karel Zak <kzak@redhat.com> + * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org> + * + * Inspired by libvolume_id by + * Kay Sievers <kay.sievers@vrfy.org> + * + * This file may be redistributed under the terms of the + * GNU Lesser General Public License. + */ +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> +#include <ctype.h> +#include <stdint.h> + +#include "blkidP.h" + +struct silicon_metadata { + 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; +}; + +#define SILICON_MAGIC 0x2F000000 + + +static int probe_silraid(blkid_probe pr, const struct blkid_idmag *mag) +{ + uint64_t off; + struct silicon_metadata *sil; + + if (pr->size < 0x10000) + return -1; + + off = ((pr->size / 0x200) - 1) * 0x200; + + sil = (struct silicon_metadata *) + blkid_probe_get_buffer(pr, off, + sizeof(struct silicon_metadata)); + if (!sil) + return -1; + + if (le32_to_cpu(sil->magic) != SILICON_MAGIC) + return -1; + + if (blkid_probe_sprintf_version(pr, "%u.%u", + le16_to_cpu(sil->major_ver), + le16_to_cpu(sil->minor_ver)) != 0) + return -1; + + return 0; +} + +const struct blkid_idinfo silraid_idinfo = { + .name = "silicon_medley_raid_member", + .usage = BLKID_USAGE_RAID, + .probefunc = probe_silraid, + .magics = BLKID_NONE_MAGIC +}; + + |