diff options
Diffstat (limited to 'libblkid/ufs.c')
-rw-r--r-- | libblkid/ufs.c | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/libblkid/ufs.c b/libblkid/ufs.c deleted file mode 100644 index 673a528bc..000000000 --- a/libblkid/ufs.c +++ /dev/null @@ -1,258 +0,0 @@ -/* - * Copyright (C) 2008 Karel Zak <kzak@redhat.com> - * - * 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 <stddef.h> - -#include "superblocks.h" - -struct ufs_super_block { - uint32_t fs_link; - uint32_t fs_rlink; - uint32_t fs_sblkno; - uint32_t fs_cblkno; - uint32_t fs_iblkno; - uint32_t fs_dblkno; - uint32_t fs_cgoffset; - uint32_t fs_cgmask; - uint32_t fs_time; - uint32_t fs_size; - uint32_t fs_dsize; - uint32_t fs_ncg; - uint32_t fs_bsize; - uint32_t fs_fsize; - uint32_t fs_frag; - uint32_t fs_minfree; - uint32_t fs_rotdelay; - uint32_t fs_rps; - uint32_t fs_bmask; - uint32_t fs_fmask; - uint32_t fs_bshift; - uint32_t fs_fshift; - uint32_t fs_maxcontig; - uint32_t fs_maxbpg; - uint32_t fs_fragshift; - uint32_t fs_fsbtodb; - uint32_t fs_sbsize; - uint32_t fs_csmask; - uint32_t fs_csshift; - uint32_t fs_nindir; - uint32_t fs_inopb; - uint32_t fs_nspf; - uint32_t fs_optim; - uint32_t fs_npsect_state; - uint32_t fs_interleave; - uint32_t fs_trackskew; - uint32_t fs_id[2]; - uint32_t fs_csaddr; - uint32_t fs_cssize; - uint32_t fs_cgsize; - uint32_t fs_ntrak; - uint32_t fs_nsect; - uint32_t fs_spc; - uint32_t fs_ncyl; - uint32_t fs_cpg; - uint32_t fs_ipg; - uint32_t fs_fpg; - struct ufs_csum { - uint32_t cs_ndir; - uint32_t cs_nbfree; - uint32_t cs_nifree; - uint32_t cs_nffree; - } fs_cstotal; - int8_t fs_fmod; - int8_t fs_clean; - int8_t fs_ronly; - int8_t fs_flags; - union { - struct { - int8_t fs_fsmnt[512]; - uint32_t fs_cgrotor; - uint32_t fs_csp[31]; - uint32_t fs_maxcluster; - uint32_t fs_cpc; - uint16_t fs_opostbl[16][8]; - } fs_u1; - struct { - int8_t fs_fsmnt[468]; - uint8_t fs_volname[32]; - uint64_t fs_swuid; - int32_t fs_pad; - uint32_t fs_cgrotor; - uint32_t fs_ocsp[28]; - uint32_t fs_contigdirs; - uint32_t fs_csp; - uint32_t fs_maxcluster; - uint32_t fs_active; - int32_t fs_old_cpc; - int32_t fs_maxbsize; - int64_t fs_sparecon64[17]; - int64_t fs_sblockloc; - struct ufs2_csum_total { - uint64_t cs_ndir; - uint64_t cs_nbfree; - uint64_t cs_nifree; - uint64_t cs_nffree; - uint64_t cs_numclusters; - uint64_t cs_spare[3]; - } fs_cstotal; - struct ufs_timeval { - int32_t tv_sec; - int32_t tv_usec; - } fs_time; - int64_t fs_size; - int64_t fs_dsize; - uint64_t fs_csaddr; - int64_t fs_pendingblocks; - int32_t fs_pendinginodes; - } __attribute__((packed)) fs_u2; - } fs_u11; - union { - struct { - int32_t fs_sparecon[53]; - int32_t fs_reclaim; - int32_t fs_sparecon2[1]; - int32_t fs_state; - uint32_t fs_qbmask[2]; - uint32_t fs_qfmask[2]; - } fs_sun; - struct { - int32_t fs_sparecon[53]; - int32_t fs_reclaim; - int32_t fs_sparecon2[1]; - uint32_t fs_npsect; - uint32_t fs_qbmask[2]; - uint32_t fs_qfmask[2]; - } fs_sunx86; - struct { - int32_t fs_sparecon[50]; - int32_t fs_contigsumsize; - int32_t fs_maxsymlinklen; - int32_t fs_inodefmt; - uint32_t fs_maxfilesize[2]; - uint32_t fs_qbmask[2]; - uint32_t fs_qfmask[2]; - int32_t fs_state; - } fs_44; - } fs_u2; - int32_t fs_postblformat; - int32_t fs_nrpos; - int32_t fs_postbloff; - int32_t fs_rotbloff; - uint32_t fs_magic; - uint8_t fs_space[1]; -} __attribute__((packed)); - -#define UFS_MAGIC 0x00011954 -#define UFS2_MAGIC 0x19540119 -#define UFS_MAGIC_FEA 0x00195612 -#define UFS_MAGIC_LFN 0x00095014 -#define UFS_MAGIC_SEC 0x00612195 -#define UFS_MAGIC_4GB 0x05231994 - -static int probe_ufs(blkid_probe pr, - const struct blkid_idmag *mag __attribute__((__unused__))) -{ - int offsets[] = { 0, 8, 64, 256 }; - uint32_t mags[] = { - UFS2_MAGIC, UFS_MAGIC, UFS_MAGIC_FEA, UFS_MAGIC_LFN, - UFS_MAGIC_SEC, UFS_MAGIC_4GB - }; - size_t i; - uint32_t magic; - struct ufs_super_block *ufs; - int is_be; - - for (i = 0; i < ARRAY_SIZE(offsets); i++) { - uint32_t magLE, magBE; - size_t y; - - ufs = (struct ufs_super_block *) - blkid_probe_get_buffer(pr, - offsets[i] * 1024, - sizeof(struct ufs_super_block)); - if (!ufs) - return -1; - - magBE = be32_to_cpu(ufs->fs_magic); - magLE = le32_to_cpu(ufs->fs_magic); - - for (y = 0; y < ARRAY_SIZE(mags); y++) { - if (magLE == mags[y] || magBE == mags[y]) { - magic = mags[y]; - is_be = (magBE == mags[y]); - goto found; - } - } - } - - return 1; - -found: - if (magic == UFS2_MAGIC) { - blkid_probe_set_version(pr, "2"); - blkid_probe_set_label(pr, ufs->fs_u11.fs_u2.fs_volname, - sizeof(ufs->fs_u11.fs_u2.fs_volname)); - } else - blkid_probe_set_version(pr, "1"); - if (ufs->fs_id[0] || ufs->fs_id[1]) - { - if (is_be) - blkid_probe_sprintf_uuid(pr, - (unsigned char *) &ufs->fs_id, - sizeof(ufs->fs_id), - "%08x%08x", - be32_to_cpu(ufs->fs_id[0]), - be32_to_cpu(ufs->fs_id[1])); - else - blkid_probe_sprintf_uuid(pr, - (unsigned char *) &ufs->fs_id, - sizeof(ufs->fs_id), - "%08x%08x", - le32_to_cpu(ufs->fs_id[0]), - le32_to_cpu(ufs->fs_id[1])); - } - - if (blkid_probe_set_magic(pr, - (offsets[i] * 1024) + - offsetof(struct ufs_super_block, fs_magic), - sizeof(ufs->fs_magic), - (unsigned char *) &ufs->fs_magic)) - return -1; - - return 0; -} - -/* - * According to libvolume_id the UFS superblock could be on four positions. - * The original libblkid has checked one position (.kboff=8) only. - * - * We know four UFS magic strings and UFS could be both little-endian and - * big-endian. ... so we have: - * - * 4 position * 4 string * 2 version = 32 magic strings - * - * It seems simpler to check for these string in probing function that hardcode - * all in the .magic array. - */ -const struct blkid_idinfo ufs_idinfo = -{ - .name = "ufs", - .usage = BLKID_USAGE_FILESYSTEM, - .probefunc = probe_ufs, - .magics = BLKID_NONE_MAGIC -}; - |