diff options
Diffstat (limited to 'libblkid/src/superblocks/lvm.c')
| -rw-r--r-- | libblkid/src/superblocks/lvm.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/libblkid/src/superblocks/lvm.c b/libblkid/src/superblocks/lvm.c index b94d7b5d8..17731a8fd 100644 --- a/libblkid/src/superblocks/lvm.c +++ b/libblkid/src/superblocks/lvm.c @@ -174,6 +174,32 @@ static int probe_verity(blkid_probe pr, const struct blkid_idmag *mag) return 0; } +struct integrity_sb { + uint8_t magic[8]; + uint8_t version; + int8_t log2_interleave_sectors; + uint16_t integrity_tag_size; + uint32_t journal_sections; + uint64_t provided_data_sectors; + uint32_t flags; + uint8_t log2_sectors_per_block; +} __attribute__ ((packed)); + +static int probe_integrity(blkid_probe pr, const struct blkid_idmag *mag) +{ + struct integrity_sb *sb; + + sb = blkid_probe_get_sb(pr, mag, struct integrity_sb); + if (sb == NULL) + return errno ? -errno : 1; + + if (sb->version != 1) + return 1; + + blkid_probe_sprintf_version(pr, "%u", sb->version); + return 0; +} + /* NOTE: the original libblkid uses "lvm2pv" as a name */ const struct blkid_idinfo lvm2_idinfo = { @@ -224,3 +250,15 @@ const struct blkid_idinfo verity_hash_idinfo = { NULL } } }; + +const struct blkid_idinfo integrity_idinfo = +{ + .name = "DM_integrity", + .usage = BLKID_USAGE_CRYPTO, + .probefunc = probe_integrity, + .magics = + { + { .magic = "integrt\0", .len = 8 }, + { NULL } + } +}; |