--- old/usr/src/lib/libparted/common/libparted/fs/ufs/ufs.c 2014-07-17 16:13:52.462265177 +0200
+++ /dev/null 2014-07-17 16:13:52.000000000 +0200
@@ -1,324 +0,0 @@
-/*
- libparted - a library for manipulating disk partitions
- Copyright (C) 2001, 2007 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see .
-
- Contributor: Ben Collins
-*/
-
-#include
-
-#include
-#include
-#include
-
-#if ENABLE_NLS
-# include
-# define _(String) dgettext (PACKAGE, String)
-#else
-# define _(String) (String)
-#endif /* ENABLE_NLS */
-
-#include
-#include
-
-#define SUN_UFS_BLOCK_SIZES ((int[2]){512, 0})
-#define HP_UFS_BLOCK_SIZES ((int[2]){512, 0})
-
-
-/* taken from ufs_fs.h in Linux */
-#define UFS_MAXNAMLEN 255
-#define UFS_MAXMNTLEN 512
-#define UFS_MAXCSBUFS 31
-#define UFS_LINK_MAX 32000
-
-#define UFS_MAGIC 0x00011954
-#define UFS_MAGIC_LFN 0x00095014
-#define UFS_MAGIC_FEA 0x00195612
-#define UFS_MAGIC_4GB 0x05231994
-
-struct ufs_csum {
- uint32_t cs_ndir; /* number of directories */
- uint32_t cs_nbfree; /* number of free blocks */
- uint32_t cs_nifree; /* number of free inodes */
- uint32_t cs_nffree; /* number of free frags */
-};
-
-struct ufs_super_block {
- uint32_t fs_link; /* UNUSED */
- uint32_t fs_rlink; /* UNUSED */
- uint32_t fs_sblkno; /* addr of super-block in filesys */
- uint32_t fs_cblkno; /* offset of cyl-block in filesys */
- uint32_t fs_iblkno; /* offset of inode-blocks in filesys */
- uint32_t fs_dblkno; /* offset of first data after cg */
- uint32_t fs_cgoffset; /* cylinder group offset in cylinder */
- uint32_t fs_cgmask; /* used to calc mod fs_ntrak */
- uint32_t fs_time; /* last time written -- time_t */
- uint32_t fs_size; /* number of blocks in fs */
- uint32_t fs_dsize; /* number of data blocks in fs */
- uint32_t fs_ncg; /* number of cylinder groups */
- uint32_t fs_bsize; /* size of basic blocks in fs */
- uint32_t fs_fsize; /* size of frag blocks in fs */
- uint32_t fs_frag; /* number of frags in a block in fs */
-/* these are configuration parameters */
- uint32_t fs_minfree; /* minimum percentage of free blocks */
- uint32_t fs_rotdelay; /* num of ms for optimal next block */
- uint32_t fs_rps; /* disk revolutions per second */
-/* these fields can be computed from the others */
- uint32_t fs_bmask; /* ``blkoff'' calc of blk offsets */
- uint32_t fs_fmask; /* ``fragoff'' calc of frag offsets */
- uint32_t fs_bshift; /* ``lblkno'' calc of logical blkno */
- uint32_t fs_fshift; /* ``numfrags'' calc number of frags */
-/* these are configuration parameters */
- uint32_t fs_maxcontig; /* max number of contiguous blks */
- uint32_t fs_maxbpg; /* max number of blks per cyl group */
-/* these fields can be computed from the others */
- uint32_t fs_fragshift; /* block to frag shift */
- uint32_t fs_fsbtodb; /* fsbtodb and dbtofsb shift constant */
- uint32_t fs_sbsize; /* actual size of super block */
- uint32_t fs_csmask; /* csum block offset */
- uint32_t fs_csshift; /* csum block number */
- uint32_t fs_nindir; /* value of NINDIR */
- uint32_t fs_inopb; /* value of INOPB */
- uint32_t fs_nspf; /* value of NSPF */
-/* yet another configuration parameter */
- uint32_t fs_optim; /* optimization preference, see below */
-/* these fields are derived from the hardware */
- union {
- struct {
- uint32_t fs_npsect; /* # sectors/track including spares */
- } fs_sun;
- struct {
- int32_t fs_state; /* file system state time stamp */
- } fs_sunx86;
- } fs_u1;
- uint32_t fs_interleave; /* hardware sector interleave */
- uint32_t fs_trackskew; /* sector 0 skew, per track */
-/* a unique id for this file system (currently unused and unmaintained) */
-/* In 4.3 Tahoe this space is used by fs_headswitch and fs_trkseek */
-/* Neither of those fields is used in the Tahoe code right now but */
-/* there could be problems if they are. */
- uint32_t fs_id[2]; /* file system id */
-/* sizes determined by number of cylinder groups and their sizes */
- uint32_t fs_csaddr; /* blk addr of cyl grp summary area */
- uint32_t fs_cssize; /* size of cyl grp summary area */
- uint32_t fs_cgsize; /* cylinder group size */
-/* these fields are derived from the hardware */
- uint32_t fs_ntrak; /* tracks per cylinder */
- uint32_t fs_nsect; /* sectors per track */
- uint32_t fs_spc; /* sectors per cylinder */
-/* this comes from the disk driver partitioning */
- uint32_t fs_ncyl; /* cylinders in file system */
-/* these fields can be computed from the others */
- uint32_t fs_cpg; /* cylinders per group */
- uint32_t fs_ipg; /* inodes per group */
- uint32_t fs_fpg; /* blocks per group * fs_frag */
-/* this data must be re-computed after crashes */
- struct ufs_csum fs_cstotal; /* cylinder summary information */
-/* these fields are cleared at mount time */
- int8_t fs_fmod; /* super block modified flag */
- int8_t fs_clean; /* file system is clean flag */
- int8_t fs_ronly; /* mounted read-only flag */
- int8_t fs_flags; /* currently unused flag */
- int8_t fs_fsmnt[UFS_MAXMNTLEN]; /* name mounted on */
-/* these fields retain the current block allocation info */
- uint32_t fs_cgrotor; /* last cg searched */
- uint32_t fs_csp[UFS_MAXCSBUFS]; /* list of fs_cs info buffers */
- uint32_t fs_maxcluster;
- uint32_t fs_cpc; /* cyl per cycle in postbl */
- uint16_t fs_opostbl[16][8]; /* old rotation block list head */
- union {
- struct {
- int32_t fs_sparecon[53];/* reserved for future constants */
- int32_t fs_reclaim;
- int32_t fs_sparecon2[1];
- int32_t fs_state; /* file system state time stamp */
- uint32_t fs_qbmask[2]; /* ~usb_bmask */
- uint32_t fs_qfmask[2]; /* ~usb_fmask */
- } fs_sun;
- struct {
- int32_t fs_sparecon[53];/* reserved for future constants */
- int32_t fs_reclaim;
- int32_t fs_sparecon2[1];
- uint32_t fs_npsect; /* # sectors/track including spares */
- uint32_t fs_qbmask[2]; /* ~usb_bmask */
- uint32_t fs_qfmask[2]; /* ~usb_fmask */
- } fs_sunx86;
- struct {
- int32_t fs_sparecon[50];/* reserved for future constants */
- int32_t fs_contigsumsize;/* size of cluster summary array */
- int32_t fs_maxsymlinklen;/* max length of an internal symlink */
- int32_t fs_inodefmt; /* format of on-disk inodes */
- uint32_t fs_maxfilesize[2]; /* max representable file size */
- uint32_t fs_qbmask[2]; /* ~usb_bmask */
- uint32_t fs_qfmask[2]; /* ~usb_fmask */
- int32_t fs_state; /* file system state time stamp */
- } fs_44;
- } fs_u2;
- int32_t fs_postblformat; /* format of positional layout tables */
- int32_t fs_nrpos; /* number of rotational positions */
- int32_t fs_postbloff; /* (__s16) rotation block list head */
- int32_t fs_rotbloff; /* (uint8_t) blocks for each rotation */
- int32_t fs_magic; /* magic number */
- uint8_t fs_space[4]; /* list of blocks for each rotation */
-};
-
-static PedGeometry*
-ufs_probe_sun (PedGeometry* geom)
-{
- int8_t buf[512 * 3];
- struct ufs_super_block *sb;
-
- if (geom->length < 5)
- return 0;
- if (!ped_geometry_read (geom, buf, 16, 3))
- return 0;
-
- sb = (struct ufs_super_block *)buf;
-
- if (PED_BE32_TO_CPU(sb->fs_magic) == UFS_MAGIC) {
- PedSector block_size = PED_BE32_TO_CPU(sb->fs_bsize) / 512;
- PedSector block_count = PED_BE32_TO_CPU(sb->fs_size);
- return ped_geometry_new (geom->dev, geom->start,
- block_size * block_count);
- }
- if (PED_LE32_TO_CPU(sb->fs_magic) == UFS_MAGIC) {
- PedSector block_size = PED_LE32_TO_CPU(sb->fs_bsize) / 512;
- PedSector block_count = PED_LE32_TO_CPU(sb->fs_size);
- return ped_geometry_new (geom->dev, geom->start,
- block_size * block_count);
- }
- return NULL;
-}
-
-static PedGeometry*
-ufs_probe_hp (PedGeometry* geom)
-{
- int8_t buf[1536];
- struct ufs_super_block *sb;
- PedSector block_size;
- PedSector block_count;
-
- if (geom->length < 5)
- return 0;
- if (!ped_geometry_read (geom, buf, 16, 3))
- return 0;
-
- sb = (struct ufs_super_block *)buf;
-
- /* Try sane bytesex */
- switch (PED_BE32_TO_CPU(sb->fs_magic)) {
- case UFS_MAGIC_LFN:
- case UFS_MAGIC_FEA:
- case UFS_MAGIC_4GB:
- block_size = PED_BE32_TO_CPU(sb->fs_bsize) / 512;
- block_count = PED_BE32_TO_CPU(sb->fs_size);
- return ped_geometry_new (geom->dev, geom->start,
- block_size * block_count);
- }
-
- /* Try perverted bytesex */
- switch (PED_LE32_TO_CPU(sb->fs_magic)) {
- case UFS_MAGIC_LFN:
- case UFS_MAGIC_FEA:
- case UFS_MAGIC_4GB:
- block_size = PED_LE32_TO_CPU(sb->fs_bsize) / 512;
- block_count = PED_LE32_TO_CPU(sb->fs_size);
- return ped_geometry_new (geom->dev, geom->start,
- block_size * block_count);
- }
- return NULL;
-}
-
-#ifndef DISCOVER_ONLY
-static int
-ufs_clobber (PedGeometry* geom)
-{
- char buf[1536];
-
- if (!ped_geometry_read (geom, buf, 16, 3))
- return 0;
-
- memset (buf, 0, sizeof(struct ufs_super_block));
-
- return ped_geometry_write (geom, buf, 16, 3);
-}
-#endif /* !DISCOVER_ONLY */
-
-static PedFileSystemOps ufs_ops_sun = {
- .probe = ufs_probe_sun,
-#ifndef DISCOVER_ONLY
- .clobber = ufs_clobber,
-#else
- .clobber = NULL,
-#endif
- .open = NULL,
- .create = NULL,
- .close = NULL,
- .check = NULL,
- .copy = NULL,
- .resize = NULL,
- .get_create_constraint = NULL,
- .get_resize_constraint = NULL,
- .get_copy_constraint = NULL
-};
-
-static PedFileSystemOps ufs_ops_hp = {
- .probe = ufs_probe_hp,
-#ifndef DISCOVER_ONLY
- .clobber = ufs_clobber,
-#else
- .clobber = NULL,
-#endif
- .open = NULL,
- .create = NULL,
- .close = NULL,
- .check = NULL,
- .copy = NULL,
- .resize = NULL,
- .get_create_constraint = NULL,
- .get_resize_constraint = NULL,
- .get_copy_constraint = NULL
-};
-
-static PedFileSystemType ufs_type_sun = {
- .next = NULL,
- .ops = &ufs_ops_sun,
- .name = "sun-ufs",
- .block_sizes = SUN_UFS_BLOCK_SIZES
-};
-
-static PedFileSystemType ufs_type_hp = {
- .next = NULL,
- .ops = &ufs_ops_hp,
- .name = "hp-ufs",
- .block_sizes = HP_UFS_BLOCK_SIZES
-};
-
-void
-ped_file_system_ufs_init ()
-{
- PED_ASSERT (sizeof (struct ufs_super_block) == 1380, return);
-
- ped_file_system_type_register (&ufs_type_sun);
- ped_file_system_type_register (&ufs_type_hp);
-}
-
-void
-ped_file_system_ufs_done ()
-{
- ped_file_system_type_unregister (&ufs_type_hp);
- ped_file_system_type_unregister (&ufs_type_sun);
-}