diff options
Diffstat (limited to 'libblkid/unixware.c')
| -rw-r--r-- | libblkid/unixware.c | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/libblkid/unixware.c b/libblkid/unixware.c deleted file mode 100644 index e9bcba358..000000000 --- a/libblkid/unixware.c +++ /dev/null @@ -1,194 +0,0 @@ -/* - * unixware partition parsing code - * - * Copyright (C) 2009 Karel Zak <kzak@redhat.com> - * - * This file may be redistributed under the terms of the - * GNU Lesser General Public License. - * - * - * The intersting information about unixware PT: - * - Linux kernel / partx - * - vtoc(7) SCO UNIX command man page - * - evms source code (http://evms.sourceforge.net/) - * - vxtools source code (http://martin.hinner.info/fs/vxfs/) - */ -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <stdint.h> - -#include "partitions.h" - -/* disklabel location */ -#define UNIXWARE_SECTOR 29 -#define UNIXWARE_OFFSET (UNIXWARE_SECTOR << 9) /* offset in bytes */ -#define UNIXWARE_KBOFFSET (UNIXWARE_OFFSET >> 10) /* offset in 1024-blocks */ - -/* disklabel->d_magic offset within the last 1024 block */ -#define UNIXWARE_MAGICOFFSET (UNIXWARE_OFFSET - UNIXWARE_KBOFFSET + 4) - -#define UNIXWARE_VTOCMAGIC 0x600DDEEEUL -#define UNIXWARE_MAXPARTITIONS 16 - -/* unixware_partition->s_label flags */ -#define UNIXWARE_TAG_UNUSED 0x0000 /* unused partition */ -#define UNIXWARE_TAG_BOOT 0x0001 /* boot fs */ -#define UNIXWARE_TAG_ROOT 0x0002 /* root fs */ -#define UNIXWARE_TAG_SWAP 0x0003 /* swap fs */ -#define UNIXWARE_TAG_USER 0x0004 /* user fs */ -#define UNIXWARE_TAG_ENTIRE_DISK 0x0005 /* whole disk */ -#define UNIXWARE_TAG_ALT_S 0x0006 /* alternate sector space */ -#define UNIXWARE_TAG_OTHER 0x0007 /* non unix */ -#define UNIXWARE_TAG_ALT_T 0x0008 /* alternate track space */ -#define UNIXWARE_TAG_STAND 0x0009 /* stand partition */ -#define UNIXWARE_TAG_VAR 0x000a /* var partition */ -#define UNIXWARE_TAG_HOME 0x000b /* home partition */ -#define UNIXWARE_TAG_DUMP 0x000c /* dump partition */ -#define UNIXWARE_TAG_ALT_ST 0x000d /* alternate sector track */ -#define UNIXWARE_TAG_VM_PUBLIC 0x000e /* volume mgt public partition */ -#define UNIXWARE_TAG_VM_PRIVATE 0x000f /* volume mgt private partition */ - - -/* unixware_partition->s_flags flags */ -#define UNIXWARE_FLAG_VALID 0x0200 - -struct unixware_partition { - uint16_t s_label; /* partition label (tag) */ - uint16_t s_flags; /* permission flags */ - uint32_t start_sect; /* starting sector */ - uint32_t nr_sects; /* number of sectors */ -} __attribute__((packed)); - -struct unixware_disklabel { - uint32_t d_type; /* drive type */ - uint32_t d_magic; /* the magic number */ - uint32_t d_version; /* version number */ - char d_serial[12]; /* serial number of the device */ - uint32_t d_ncylinders; /* # of data cylinders per device */ - uint32_t d_ntracks; /* # of tracks per cylinder */ - uint32_t d_nsectors; /* # of data sectors per track */ - uint32_t d_secsize; /* # of bytes per sector */ - uint32_t d_part_start; /* # of first sector of this partition */ - uint32_t d_unknown1[12]; /* ? */ - uint32_t d_alt_tbl; /* byte offset of alternate table */ - uint32_t d_alt_len; /* byte length of alternate table */ - uint32_t d_phys_cyl; /* # of physical cylinders per device */ - uint32_t d_phys_trk; /* # of physical tracks per cylinder */ - uint32_t d_phys_sec; /* # of physical sectors per track */ - uint32_t d_phys_bytes; /* # of physical bytes per sector */ - uint32_t d_unknown2; /* ? */ - uint32_t d_unknown3; /* ? */ - uint32_t d_pad[8]; /* pad */ - - struct unixware_vtoc { - uint32_t v_magic; /* the magic number */ - uint32_t v_version; /* version number */ - char v_name[8]; /* volume name */ - uint16_t v_nslices; /* # of partitions */ - uint16_t v_unknown1; /* ? */ - uint32_t v_reserved[10]; /* reserved */ - - struct unixware_partition - v_slice[UNIXWARE_MAXPARTITIONS]; /* partition */ - } __attribute__((packed)) vtoc; -}; - -static int probe_unixware_pt(blkid_probe pr, - const struct blkid_idmag *mag __attribute__((__unused__))) -{ - struct unixware_disklabel *l; - struct unixware_partition *p; - blkid_parttable tab = NULL; - blkid_partition parent; - blkid_partlist ls; - int i; - - l = (struct unixware_disklabel *) - blkid_probe_get_sector(pr, UNIXWARE_SECTOR); - if (!l) - goto nothing; - - if (le32_to_cpu(l->vtoc.v_magic) != UNIXWARE_VTOCMAGIC) - goto nothing; - - if (blkid_partitions_need_typeonly(pr)) - /* caller does not ask for details about partitions */ - return 0; - - ls = blkid_probe_get_partlist(pr); - if (!ls) - goto err; - - parent = blkid_partlist_get_parent(ls); - - tab = blkid_partlist_new_parttable(ls, "unixware", UNIXWARE_OFFSET); - if (!tab) - goto err; - - /* Skip the first partition that describe whole disk - */ - for (i = 1, p = &l->vtoc.v_slice[1]; - i < UNIXWARE_MAXPARTITIONS; i++, p++) { - - uint32_t start, size; - uint16_t tag, flg; - blkid_partition par; - - tag = le16_to_cpu(p->s_label); - flg = le16_to_cpu(p->s_flags); - - if (tag == UNIXWARE_TAG_UNUSED || - tag == UNIXWARE_TAG_ENTIRE_DISK || - flg != UNIXWARE_FLAG_VALID) - continue; - - start = le32_to_cpu(p->start_sect); - size = le32_to_cpu(p->nr_sects); - - if (parent && !blkid_is_nested_dimension(parent, start, size)) { - DBG(DEBUG_LOWPROBE, printf( - "WARNING: unixware partition (%d) overflow " - "detected, ignore\n", i)); - continue; - } - - par = blkid_partlist_add_partition(ls, tab, start, size); - if (!par) - goto err; - - blkid_partition_set_type(par, tag); - blkid_partition_set_flags(par, flg); - } - - return 0; - -nothing: - return 1; -err: - return -1; -} - - -/* - * The unixware partition table is within primary DOS partition. The PT is - * located on 29 sector, PT magic string is d_magic member of 'struct - * unixware_disklabel'. - */ -const struct blkid_idinfo unixware_pt_idinfo = -{ - .name = "unixware", - .probefunc = probe_unixware_pt, - .minsz = 1024 * 1440 + 1, /* ignore floppies */ - .magics = - { - { - .magic = "\x0D\x60\xE5\xCA", /* little-endian magic string */ - .len = 4, /* d_magic size in bytes */ - .kboff = UNIXWARE_KBOFFSET, - .sboff = UNIXWARE_MAGICOFFSET - }, - { NULL } - } -}; - |