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coral / busybox / 23465579df7082514a10b7f5d5d9794e248fc1f2 / . / util-linux / fdisk.c
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/* fdisk.c -- Partition table manipulator for Linux.
*
* Copyright (C) 1992 A. V. Le Blanc (LeBlanc@mcc.ac.uk)
*
* 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 1 or
* (at your option) any later version.
*
* Vladimir Oleynik <dzo@simtreas.ru> 2001,2002 Busybox port
*/
#define UTIL_LINUX_VERSION "2.12"
#define PROC_PARTITIONS "/proc/partitions"
#include <sys/types.h>
#include <sys/stat.h> /* stat */
#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <fcntl.h>
#include <setjmp.h>
#include <assert.h> /* assert */
#include <getopt.h>
#include <endian.h>
#include <sys/ioctl.h>
#include <sys/param.h>
#include <sys/sysmacros.h> /* major */
#include <stdint.h> /* for uint32_t, uint16_t, uint8_t, int16_t, etc */
/* Copied from linux/major.h */
#define FLOPPY_MAJOR 2
#include <sys/utsname.h>
#include "busybox.h"
#define MAKE_VERSION(p,q,r) (65536*(p) + 256*(q) + (r))
#define DKTYPENAMES
#define _(Text) Text
#define BLKRRPART _IO(0x12,95) /* re-read partition table */
#define BLKGETSIZE _IO(0x12,96) /* return device size */
#define BLKFLSBUF _IO(0x12,97) /* flush buffer cache */
#define BLKSSZGET _IO(0x12,104) /* get block device sector size */
/* Avoid conflicts with the 2.6 kernel headers, which define
* _IOR rather differently */
#undef _IOR
#define _IOR(type,nr,size) _IOC(_IOC_READ,(type),(nr),sizeof(size))
#define BLKGETSIZE64 _IOR(0x12,114,uint64_t)
/*
fdisk.h
*/
#define DEFAULT_SECTOR_SIZE 512
#define MAX_SECTOR_SIZE 2048
#define SECTOR_SIZE 512 /* still used in BSD code */
#define MAXIMUM_PARTS 60
#define ACTIVE_FLAG 0x80
#define EXTENDED 0x05
#define WIN98_EXTENDED 0x0f
#define LINUX_PARTITION 0x81
#define LINUX_SWAP 0x82
#define LINUX_NATIVE 0x83
#define LINUX_EXTENDED 0x85
#define LINUX_LVM 0x8e
#define LINUX_RAID 0xfd
#define SUNOS_SWAP 3
#define WHOLE_DISK 5
#define IS_EXTENDED(i) \
((i) == EXTENDED || (i) == WIN98_EXTENDED || (i) == LINUX_EXTENDED)
#define SIZE(a) (sizeof(a)/sizeof((a)[0]))
#define cround(n) (display_in_cyl_units ? ((n)/units_per_sector)+1 : (n))
#define scround(x) (((x)+units_per_sector-1)/units_per_sector)
#ifdef CONFIG_FEATURE_SUN_LABEL
#define SCSI_IOCTL_GET_IDLUN 0x5382
#endif
/* including <linux/hdreg.h> also fails */
struct hd_geometry {
unsigned char heads;
unsigned char sectors;
unsigned short cylinders;
unsigned long start;
};
#define HDIO_GETGEO 0x0301 /* get device geometry */
struct systypes {
const unsigned char *name;
};
static uint sector_size = DEFAULT_SECTOR_SIZE,
user_set_sector_size,
sector_offset = 1;
/*
* Raw disk label. For DOS-type partition tables the MBR,
* with descriptions of the primary partitions.
*/
static char MBRbuffer[MAX_SECTOR_SIZE];
#ifdef CONFIG_FEATURE_SUN_LABEL
static int sun_label; /* looking at sun disklabel */
#else
#define sun_label 0
#endif
#ifdef CONFIG_FEATURE_SGI_LABEL
static int sgi_label; /* looking at sgi disklabel */
#else
#define sgi_label 0
#endif
#ifdef CONFIG_FEATURE_AIX_LABEL
static int aix_label; /* looking at aix disklabel */
#else
#define aix_label 0
#endif
#ifdef CONFIG_FEATURE_OSF_LABEL
static int osf_label; /* looking at OSF/1 disklabel */
static int possibly_osf_label;
#else
#define osf_label 0
#endif
#define dos_label (!sun_label && !sgi_label && !aix_label && !osf_label)
static uint heads, sectors, cylinders;
static void update_units(void);
/*
* return partition name - uses static storage unless buf is supplied
*/
static const char *
partname(const char *dev, int pno, int lth) {
static char buffer[80];
const char *p;
int w, wp;
int bufsiz;
char *bufp;
bufp = buffer;
bufsiz = sizeof(buffer);
w = strlen(dev);
p = "";
if (isdigit(dev[w-1]))
p = "p";
/* devfs kludge - note: fdisk partition names are not supposed
to equal kernel names, so there is no reason to do this */
if (strcmp (dev + w - 4, "disc") == 0) {
w -= 4;
p = "part";
}
wp = strlen(p);
if (lth) {
snprintf(bufp, bufsiz, "%*.*s%s%-2u",
lth-wp-2, w, dev, p, pno);
} else {
snprintf(bufp, bufsiz, "%.*s%s%-2u", w, dev, p, pno);
}
return bufp;
}
struct partition {
unsigned char boot_ind; /* 0x80 - active */
unsigned char head; /* starting head */
unsigned char sector; /* starting sector */
unsigned char cyl; /* starting cylinder */
unsigned char sys_ind; /* What partition type */
unsigned char end_head; /* end head */
unsigned char end_sector; /* end sector */
unsigned char end_cyl; /* end cylinder */
unsigned char start4[4]; /* starting sector counting from 0 */
unsigned char size4[4]; /* nr of sectors in partition */
} __attribute__((__packed__));
enum failure {
ioctl_error, unable_to_open, unable_to_read, unable_to_seek,
unable_to_write
};
enum action {fdisk, require, try_only, create_empty_dos, create_empty_sun};
static const char *disk_device;
static int fd; /* the disk */
static int partitions = 4; /* maximum partition + 1 */
static uint display_in_cyl_units = 1;
static uint units_per_sector = 1;
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
static char *line_ptr;
static void change_units(void);
static void reread_partition_table(int leave);
static void delete_partition(int i);
static int get_partition(int warn, int max);
static void list_types(const struct systypes *sys);
static uint read_int(uint low, uint dflt, uint high, uint base, char *mesg);
#endif
static const char *partition_type(unsigned char type);
static void fdisk_fatal(enum failure why) __attribute__ ((noreturn));
static void get_geometry(void);
static int get_boot(enum action what);
#define PLURAL 0
#define SINGULAR 1
#define hex_val(c) ({ \
char _c = (c); \
isdigit(_c) ? _c - '0' : \
tolower(_c) + 10 - 'a'; \
})
#define LINE_LENGTH 800
#define pt_offset(b, n) ((struct partition *)((b) + 0x1be + \
(n) * sizeof(struct partition)))
#define sector(s) ((s) & 0x3f)
#define cylinder(s, c) ((c) | (((s) & 0xc0) << 2))
#define hsc2sector(h,s,c) (sector(s) - 1 + sectors * \
((h) + heads * cylinder(s,c)))
#define set_hsc(h,s,c,sector) { \
s = sector % sectors + 1; \
sector /= sectors; \
h = sector % heads; \
sector /= heads; \
c = sector & 0xff; \
s |= (sector >> 2) & 0xc0; \
}
static unsigned int get_start_sect(const struct partition *p);
static unsigned int get_nr_sects(const struct partition *p);
/*
* per partition table entry data
*
* The four primary partitions have the same sectorbuffer (MBRbuffer)
* and have NULL ext_pointer.
* Each logical partition table entry has two pointers, one for the
* partition and one link to the next one.
*/
static struct pte {
struct partition *part_table; /* points into sectorbuffer */
struct partition *ext_pointer; /* points into sectorbuffer */
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
char changed; /* boolean */
#endif
uint offset; /* disk sector number */
char *sectorbuffer; /* disk sector contents */
} ptes[MAXIMUM_PARTS];
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
static void
set_all_unchanged(void) {
int i;
for (i = 0; i < MAXIMUM_PARTS; i++)
ptes[i].changed = 0;
}
static void
set_changed(int i) {
ptes[i].changed = 1;
}
#endif /* CONFIG_FEATURE_FDISK_WRITABLE */
#if defined(CONFIG_FEATURE_SGI_LABEL) || defined(CONFIG_FEATURE_OSF_LABEL)
static struct partition *
get_part_table(int i) {
return ptes[i].part_table;
}
#endif
static const char *
str_units(int n) { /* n==1: use singular */
if (n == 1)
return display_in_cyl_units ? _("cylinder") : _("sector");
else
return display_in_cyl_units ? _("cylinders") : _("sectors");
}
static int
valid_part_table_flag(const unsigned char *b) {
return (b[510] == 0x55 && b[511] == 0xaa);
}
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
static char line_buffer[LINE_LENGTH];
/* read line; return 0 or first char */
static int
read_line(void)
{
static int got_eof = 0;
fflush (stdout); /* requested by niles@scyld.com */
line_ptr = line_buffer;
if (!fgets(line_buffer, LINE_LENGTH, stdin)) {
if (feof(stdin))
got_eof++; /* user typed ^D ? */
if (got_eof >= 3) {
fprintf(stderr, _("\ngot EOF thrice - exiting..\n"));
exit(1);
}
return 0;
}
while (*line_ptr && !isgraph(*line_ptr))
line_ptr++;
return *line_ptr;
}
static char
read_char(const char *mesg)
{
do {
fputs(mesg, stdout);
} while (!read_line());
return *line_ptr;
}
static char
read_chars(const char *mesg)
{
fputs(mesg, stdout);
if (!read_line()) {
*line_ptr = '\n';
line_ptr[1] = 0;
}
return *line_ptr;
}
static int
read_hex(const struct systypes *sys)
{
int hex;
while (1)
{
read_char(_("Hex code (type L to list codes): "));
if (*line_ptr == 'l' || *line_ptr == 'L')
list_types(sys);
else if (isxdigit (*line_ptr))
{
hex = 0;
do
hex = hex << 4 | hex_val(*line_ptr++);
while (isxdigit(*line_ptr));
return hex;
}
}
}
#endif /* CONFIG_FEATURE_FDISK_WRITABLE */
#ifdef CONFIG_FEATURE_AIX_LABEL
/*
* Copyright (C) Andreas Neuper, Sep 1998.
* This file may be redistributed under
* the terms of the GNU Public License.
*/
typedef struct {
unsigned int magic; /* expect AIX_LABEL_MAGIC */
unsigned int fillbytes1[124];
unsigned int physical_volume_id;
unsigned int fillbytes2[124];
} aix_partition;
#define AIX_LABEL_MAGIC 0xc9c2d4c1
#define AIX_LABEL_MAGIC_SWAPPED 0xc1d4c2c9
#define AIX_INFO_MAGIC 0x00072959
#define AIX_INFO_MAGIC_SWAPPED 0x59290700
#define aixlabel ((aix_partition *)MBRbuffer)
/*
Changes:
* 1999-03-20 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
* Internationalization
*
* 2003-03-20 Phillip Kesling <pkesling@sgi.com>
* Some fixes
*/
static int aix_other_endian;
static short aix_volumes=1;
/*
* only dealing with free blocks here
*/
static void
aix_info( void ) {
puts(
_("\n\tThere is a valid AIX label on this disk.\n"
"\tUnfortunately Linux cannot handle these\n"
"\tdisks at the moment. Nevertheless some\n"
"\tadvice:\n"
"\t1. fdisk will destroy its contents on write.\n"
"\t2. Be sure that this disk is NOT a still vital\n"
"\t part of a volume group. (Otherwise you may\n"
"\t erase the other disks as well, if unmirrored.)\n"
"\t3. Before deleting this physical volume be sure\n"
"\t to remove the disk logically from your AIX\n"
"\t machine. (Otherwise you become an AIXpert).")
);
}
static void
aix_nolabel( void )
{
aixlabel->magic = 0;
aix_label = 0;
partitions = 4;
memset( MBRbuffer, 0, sizeof(MBRbuffer) ); /* avoid fdisk cores */
return;
}
static int
check_aix_label( void )
{
if (aixlabel->magic != AIX_LABEL_MAGIC &&
aixlabel->magic != AIX_LABEL_MAGIC_SWAPPED) {
aix_label = 0;
aix_other_endian = 0;
return 0;
}
aix_other_endian = (aixlabel->magic == AIX_LABEL_MAGIC_SWAPPED);
update_units();
aix_label = 1;
partitions= 1016;
aix_volumes = 15;
aix_info();
aix_nolabel(); /* %% */
aix_label = 1; /* %% */
return 1;
}
#endif /* AIX_LABEL */
#ifdef CONFIG_FEATURE_OSF_LABEL
/*
* Copyright (c) 1987, 1988 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef BSD_DISKMAGIC
#define BSD_DISKMAGIC ((uint32_t) 0x82564557)
#endif
#ifndef BSD_MAXPARTITIONS
#define BSD_MAXPARTITIONS 16
#endif
#define BSD_LINUX_BOOTDIR "/usr/ucb/mdec"
#if defined (i386) || defined (__sparc__) || defined (__arm__) || defined (__mips__) || defined (__s390__) || defined (__sh__) || defined(__x86_64__)
#define BSD_LABELSECTOR 1
#define BSD_LABELOFFSET 0
#elif defined (__alpha__) || defined (__powerpc__) || defined (__ia64__) || defined (__hppa__)
#define BSD_LABELSECTOR 0
#define BSD_LABELOFFSET 64
#elif defined (__s390__) || defined (__s390x__)
#define BSD_LABELSECTOR 1
#define BSD_LABELOFFSET 0
#else
#error unknown architecture
#endif
#define BSD_BBSIZE 8192 /* size of boot area, with label */
#define BSD_SBSIZE 8192 /* max size of fs superblock */
struct xbsd_disklabel {
uint32_t d_magic; /* the magic number */
int16_t d_type; /* drive type */
int16_t d_subtype; /* controller/d_type specific */
char d_typename[16]; /* type name, e.g. "eagle" */
char d_packname[16]; /* pack identifier */
/* disk geometry: */
uint32_t d_secsize; /* # of bytes per sector */
uint32_t d_nsectors; /* # of data sectors per track */
uint32_t d_ntracks; /* # of tracks per cylinder */
uint32_t d_ncylinders; /* # of data cylinders per unit */
uint32_t d_secpercyl; /* # of data sectors per cylinder */
uint32_t d_secperunit; /* # of data sectors per unit */
/*
* Spares (bad sector replacements) below
* are not counted in d_nsectors or d_secpercyl.
* Spare sectors are assumed to be physical sectors
* which occupy space at the end of each track and/or cylinder.
*/
uint16_t d_sparespertrack; /* # of spare sectors per track */
uint16_t d_sparespercyl; /* # of spare sectors per cylinder */
/*
* Alternate cylinders include maintenance, replacement,
* configuration description areas, etc.
*/
uint32_t d_acylinders; /* # of alt. cylinders per unit */
/* hardware characteristics: */
/*
* d_interleave, d_trackskew and d_cylskew describe perturbations
* in the media format used to compensate for a slow controller.
* Interleave is physical sector interleave, set up by the formatter
* or controller when formatting. When interleaving is in use,
* logically adjacent sectors are not physically contiguous,
* but instead are separated by some number of sectors.
* It is specified as the ratio of physical sectors traversed
* per logical sector. Thus an interleave of 1:1 implies contiguous
* layout, while 2:1 implies that logical sector 0 is separated
* by one sector from logical sector 1.
* d_trackskew is the offset of sector 0 on track N
* relative to sector 0 on track N-1 on the same cylinder.
* Finally, d_cylskew is the offset of sector 0 on cylinder N
* relative to sector 0 on cylinder N-1.
*/
uint16_t d_rpm; /* rotational speed */
uint16_t d_interleave; /* hardware sector interleave */
uint16_t d_trackskew; /* sector 0 skew, per track */
uint16_t d_cylskew; /* sector 0 skew, per cylinder */
uint32_t d_headswitch; /* head switch time, usec */
uint32_t d_trkseek; /* track-to-track seek, usec */
uint32_t d_flags; /* generic flags */
#define NDDATA 5
uint32_t d_drivedata[NDDATA]; /* drive-type specific information */
#define NSPARE 5
uint32_t d_spare[NSPARE]; /* reserved for future use */
uint32_t d_magic2; /* the magic number (again) */
uint16_t d_checksum; /* xor of data incl. partitions */
/* filesystem and partition information: */
uint16_t d_npartitions; /* number of partitions in following */
uint32_t d_bbsize; /* size of boot area at sn0, bytes */
uint32_t d_sbsize; /* max size of fs superblock, bytes */
struct xbsd_partition { /* the partition table */
uint32_t p_size; /* number of sectors in partition */
uint32_t p_offset; /* starting sector */
uint32_t p_fsize; /* filesystem basic fragment size */
uint8_t p_fstype; /* filesystem type, see below */
uint8_t p_frag; /* filesystem fragments per block */
uint16_t p_cpg; /* filesystem cylinders per group */
} d_partitions[BSD_MAXPARTITIONS]; /* actually may be more */
};
/* d_type values: */
#define BSD_DTYPE_SMD 1 /* SMD, XSMD; VAX hp/up */
#define BSD_DTYPE_MSCP 2 /* MSCP */
#define BSD_DTYPE_DEC 3 /* other DEC (rk, rl) */
#define BSD_DTYPE_SCSI 4 /* SCSI */
#define BSD_DTYPE_ESDI 5 /* ESDI interface */
#define BSD_DTYPE_ST506 6 /* ST506 etc. */
#define BSD_DTYPE_HPIB 7 /* CS/80 on HP-IB */
#define BSD_DTYPE_HPFL 8 /* HP Fiber-link */
#define BSD_DTYPE_FLOPPY 10 /* floppy */
/* d_subtype values: */
#define BSD_DSTYPE_INDOSPART 0x8 /* is inside dos partition */
#define BSD_DSTYPE_DOSPART(s) ((s) & 3) /* dos partition number */
#define BSD_DSTYPE_GEOMETRY 0x10 /* drive params in label */
#ifdef DKTYPENAMES
static const char * const xbsd_dktypenames[] = {
"unknown",
"SMD",
"MSCP",
"old DEC",
"SCSI",
"ESDI",
"ST506",
"HP-IB",
"HP-FL",
"type 9",
"floppy",
0
};
#define BSD_DKMAXTYPES (sizeof(xbsd_dktypenames) / sizeof(xbsd_dktypenames[0]) - 1)
#endif
/*
* Filesystem type and version.
* Used to interpret other filesystem-specific
* per-partition information.
*/
#define BSD_FS_UNUSED 0 /* unused */
#define BSD_FS_SWAP 1 /* swap */
#define BSD_FS_V6 2 /* Sixth Edition */
#define BSD_FS_V7 3 /* Seventh Edition */
#define BSD_FS_SYSV 4 /* System V */
#define BSD_FS_V71K 5 /* V7 with 1K blocks (4.1, 2.9) */
#define BSD_FS_V8 6 /* Eighth Edition, 4K blocks */
#define BSD_FS_BSDFFS 7 /* 4.2BSD fast file system */
#define BSD_FS_BSDLFS 9 /* 4.4BSD log-structured file system */
#define BSD_FS_OTHER 10 /* in use, but unknown/unsupported */
#define BSD_FS_HPFS 11 /* OS/2 high-performance file system */
#define BSD_FS_ISO9660 12 /* ISO-9660 filesystem (cdrom) */
#define BSD_FS_ISOFS BSD_FS_ISO9660
#define BSD_FS_BOOT 13 /* partition contains bootstrap */
#define BSD_FS_ADOS 14 /* AmigaDOS fast file system */
#define BSD_FS_HFS 15 /* Macintosh HFS */
#define BSD_FS_ADVFS 16 /* Digital Unix AdvFS */
/* this is annoying, but it's also the way it is :-( */
#ifdef __alpha__
#define BSD_FS_EXT2 8 /* ext2 file system */
#else
#define BSD_FS_MSDOS 8 /* MS-DOS file system */
#endif
#ifdef DKTYPENAMES
static const struct systypes xbsd_fstypes[] = {
/* BSD_FS_UNUSED */ {"\x00" "unused"},
/* BSD_FS_SWAP */ {"\x01" "swap"},
/* BSD_FS_V6 */ {"\x02" "Version 6"},
/* BSD_FS_V7 */ {"\x03" "Version 7"},
/* BSD_FS_SYSV */ {"\x04" "System V"},
/* BSD_FS_V71K */ {"\x05" "4.1BSD"},
/* BSD_FS_V8 */ {"\x06" "Eighth Edition"},
/* BSD_FS_BSDFFS */ {"\x07" "4.2BSD"},
#ifdef __alpha__
/* BSD_FS_EXT2 */ {"\x08" "ext2"},
#else
/* BSD_FS_MSDOS */ {"\x08" "MS-DOS"},
#endif
/* BSD_FS_BSDLFS */ {"\x09" "4.4LFS"},
/* BSD_FS_OTHER */ {"\x0a" "unknown"},
/* BSD_FS_HPFS */ {"\x0b" "HPFS"},
/* BSD_FS_ISO9660 */ {"\x0c" "ISO-9660"},
/* BSD_FS_BOOT */ {"\x0d" "boot"},
/* BSD_FS_ADOS */ {"\x0e" "ADOS"},
/* BSD_FS_HFS */ {"\x0f" "HFS"},
/* BSD_FS_ADVFS */ {"\x10" "AdvFS"},
{ NULL }
};
#define BSD_FSMAXTYPES (SIZE(xbsd_fstypes)-1)
#endif
/*
* flags shared by various drives:
*/
#define BSD_D_REMOVABLE 0x01 /* removable media */
#define BSD_D_ECC 0x02 /* supports ECC */
#define BSD_D_BADSECT 0x04 /* supports bad sector forw. */
#define BSD_D_RAMDISK 0x08 /* disk emulator */
#define BSD_D_CHAIN 0x10 /* can do back-back transfers */
#define BSD_D_DOSPART 0x20 /* within MSDOS partition */
#endif /* OSF_LABEL */
/*
* Copyright (C) Andreas Neuper, Sep 1998.
* This file may be modified and redistributed under
* the terms of the GNU Public License.
*/
struct device_parameter { /* 48 bytes */
unsigned char skew;
unsigned char gap1;
unsigned char gap2;
unsigned char sparecyl;
unsigned short pcylcount;
unsigned short head_vol0;
unsigned short ntrks; /* tracks in cyl 0 or vol 0 */
unsigned char cmd_tag_queue_depth;
unsigned char unused0;
unsigned short unused1;
unsigned short nsect; /* sectors/tracks in cyl 0 or vol 0 */
unsigned short bytes;
unsigned short ilfact;
unsigned int flags; /* controller flags */
unsigned int datarate;
unsigned int retries_on_error;
unsigned int ms_per_word;
unsigned short xylogics_gap1;
unsigned short xylogics_syncdelay;
unsigned short xylogics_readdelay;
unsigned short xylogics_gap2;
unsigned short xylogics_readgate;
unsigned short xylogics_writecont;
};
#define SGI_VOLHDR 0x00
/* 1 and 2 were used for drive types no longer supported by SGI */
#define SGI_SWAP 0x03
/* 4 and 5 were for filesystem types SGI haven't ever supported on MIPS CPUs */
#define SGI_VOLUME 0x06
#define SGI_EFS 0x07
#define SGI_LVOL 0x08
#define SGI_RLVOL 0x09
#define SGI_XFS 0x0a
#define SGI_XFSLOG 0x0b
#define SGI_XLV 0x0c
#define SGI_XVM 0x0d
#define ENTIRE_DISK SGI_VOLUME
/*
* controller flags
*/
#define SECTOR_SLIP 0x01
#define SECTOR_FWD 0x02
#define TRACK_FWD 0x04
#define TRACK_MULTIVOL 0x08
#define IGNORE_ERRORS 0x10
#define RESEEK 0x20
#define ENABLE_CMDTAGQ 0x40
typedef struct {
unsigned int magic; /* expect SGI_LABEL_MAGIC */
unsigned short boot_part; /* active boot partition */
unsigned short swap_part; /* active swap partition */
unsigned char boot_file[16]; /* name of the bootfile */
struct device_parameter devparam; /* 1 * 48 bytes */
struct volume_directory { /* 15 * 16 bytes */
unsigned char vol_file_name[8]; /* a character array */
unsigned int vol_file_start; /* number of logical block */
unsigned int vol_file_size; /* number of bytes */
} directory[15];
struct sgi_partition { /* 16 * 12 bytes */
unsigned int num_sectors; /* number of blocks */
unsigned int start_sector; /* must be cylinder aligned */
unsigned int id;
} partitions[16];
unsigned int csum;
unsigned int fillbytes;
} sgi_partition;
typedef struct {
unsigned int magic; /* looks like a magic number */
unsigned int a2;
unsigned int a3;
unsigned int a4;
unsigned int b1;
unsigned short b2;
unsigned short b3;
unsigned int c[16];
unsigned short d[3];
unsigned char scsi_string[50];
unsigned char serial[137];
unsigned short check1816;
unsigned char installer[225];
} sgiinfo;
#define SGI_LABEL_MAGIC 0x0be5a941
#define SGI_LABEL_MAGIC_SWAPPED 0x41a9e50b
#define SGI_INFO_MAGIC 0x00072959
#define SGI_INFO_MAGIC_SWAPPED 0x59290700
#define SGI_SSWAP16(x) (sgi_other_endian ? __swap16(x) \
: (uint16_t)(x))
#define SGI_SSWAP32(x) (sgi_other_endian ? __swap32(x) \
: (uint32_t)(x))
#define sgilabel ((sgi_partition *)MBRbuffer)
#define sgiparam (sgilabel->devparam)
typedef struct {
unsigned char info[128]; /* Informative text string */
unsigned char spare0[14];
struct sun_info {
unsigned char spare1;
unsigned char id;
unsigned char spare2;
unsigned char flags;
} infos[8];
unsigned char spare1[246]; /* Boot information etc. */
unsigned short rspeed; /* Disk rotational speed */
unsigned short pcylcount; /* Physical cylinder count */
unsigned short sparecyl; /* extra sects per cylinder */
unsigned char spare2[4]; /* More magic... */
unsigned short ilfact; /* Interleave factor */
unsigned short ncyl; /* Data cylinder count */
unsigned short nacyl; /* Alt. cylinder count */
unsigned short ntrks; /* Tracks per cylinder */
unsigned short nsect; /* Sectors per track */
unsigned char spare3[4]; /* Even more magic... */
struct sun_partition {
uint32_t start_cylinder;
uint32_t num_sectors;
} partitions[8];
unsigned short magic; /* Magic number */
unsigned short csum; /* Label xor'd checksum */
} sun_partition;
#define SUN_LABEL_MAGIC 0xDABE
#define SUN_LABEL_MAGIC_SWAPPED 0xBEDA
#define sunlabel ((sun_partition *)MBRbuffer)
#define SUN_SSWAP16(x) (sun_other_endian ? __swap16(x) \
: (uint16_t)(x))
#define SUN_SSWAP32(x) (sun_other_endian ? __swap32(x) \
: (uint32_t)(x))
#ifdef CONFIG_FEATURE_OSF_LABEL
/*
Changes:
19990319 - Arnaldo Carvalho de Melo <acme@conectiva.com.br> - i18n/nls
20000101 - David Huggins-Daines <dhuggins@linuxcare.com> - Better
support for OSF/1 disklabels on Alpha.
Also fixed unaligned accesses in alpha_bootblock_checksum()
*/
#define FREEBSD_PARTITION 0xa5
#define NETBSD_PARTITION 0xa9
static void xbsd_delete_part (void);
static void xbsd_new_part (void);
static void xbsd_write_disklabel (void);
static int xbsd_create_disklabel (void);
static void xbsd_edit_disklabel (void);
static void xbsd_write_bootstrap (void);
static void xbsd_change_fstype (void);
static int xbsd_get_part_index (int max);
static int xbsd_check_new_partition (int *i);
static void xbsd_list_types (void);
static u_short xbsd_dkcksum (struct xbsd_disklabel *lp);
static int xbsd_initlabel (struct partition *p, struct xbsd_disklabel *d,
int pindex);
static int xbsd_readlabel (struct partition *p, struct xbsd_disklabel *d);
static int xbsd_writelabel (struct partition *p, struct xbsd_disklabel *d);
#if defined (__alpha__)
static void alpha_bootblock_checksum (char *boot);
#endif
#if !defined (__alpha__)
static int xbsd_translate_fstype (int linux_type);
static void xbsd_link_part (void);
static struct partition *xbsd_part;
static int xbsd_part_index;
#endif
#if defined (__alpha__)
/* We access this through a uint64_t * when checksumming */
static char disklabelbuffer[BSD_BBSIZE] __attribute__((aligned(8)));
#else
static char disklabelbuffer[BSD_BBSIZE];
#endif
static struct xbsd_disklabel xbsd_dlabel;
#define bsd_cround(n) \
(display_in_cyl_units ? ((n)/xbsd_dlabel.d_secpercyl) + 1 : (n))
/*
* Test whether the whole disk has BSD disk label magic.
*
* Note: often reformatting with DOS-type label leaves the BSD magic,
* so this does not mean that there is a BSD disk label.
*/
static int
check_osf_label(void) {
if (xbsd_readlabel (NULL, &xbsd_dlabel) == 0)
return 0;
return 1;
}
static void xbsd_print_disklabel(int);
static int
btrydev (const char * dev) {
if (xbsd_readlabel (NULL, &xbsd_dlabel) == 0)
return -1;
printf(_("\nBSD label for device: %s\n"), dev);
xbsd_print_disklabel (0);
return 0;
}
static void
bmenu (void) {
puts (_("Command action"));
puts (_("\td\tdelete a BSD partition"));
puts (_("\te\tedit drive data"));
puts (_("\ti\tinstall bootstrap"));
puts (_("\tl\tlist known filesystem types"));
puts (_("\tm\tprint this menu"));
puts (_("\tn\tadd a new BSD partition"));
puts (_("\tp\tprint BSD partition table"));
puts (_("\tq\tquit without saving changes"));
puts (_("\tr\treturn to main menu"));
puts (_("\ts\tshow complete disklabel"));
puts (_("\tt\tchange a partition's filesystem id"));
puts (_("\tu\tchange units (cylinders/sectors)"));
puts (_("\tw\twrite disklabel to disk"));
#if !defined (__alpha__)
puts (_("\tx\tlink BSD partition to non-BSD partition"));
#endif
}
#if !defined (__alpha__)
static int
hidden(int type) {
return type ^ 0x10;
}
static int
is_bsd_partition_type(int type) {
return (type == FREEBSD_PARTITION ||
type == hidden(FREEBSD_PARTITION) ||
type == NETBSD_PARTITION ||
type == hidden(NETBSD_PARTITION));
}
#endif
static void
bselect (void) {
#if !defined (__alpha__)
int t, ss;
struct partition *p;
for (t=0; t<4; t++) {
p = get_part_table(t);
if (p && is_bsd_partition_type(p->sys_ind)) {
xbsd_part = p;
xbsd_part_index = t;
ss = get_start_sect(xbsd_part);
if (ss == 0) {
fprintf (stderr, _("Partition %s has invalid starting sector 0.\n"),
partname(disk_device, t+1, 0));
return;
}
printf (_("Reading disklabel of %s at sector %d.\n"),
partname(disk_device, t+1, 0), ss + BSD_LABELSECTOR);
if (xbsd_readlabel (xbsd_part, &xbsd_dlabel) == 0)
if (xbsd_create_disklabel () == 0)
return;
break;
}
}
if (t == 4) {
printf (_("There is no *BSD partition on %s.\n"), disk_device);
return;
}
#elif defined (__alpha__)
if (xbsd_readlabel (NULL, &xbsd_dlabel) == 0)
if (xbsd_create_disklabel () == 0)
exit ( EXIT_SUCCESS );
#endif
while (1) {
putchar ('\n');
switch (tolower (read_char (_("BSD disklabel command (m for help): ")))) {
case 'd':
xbsd_delete_part ();
break;
case 'e':
xbsd_edit_disklabel ();
break;
case 'i':
xbsd_write_bootstrap ();
break;
case 'l':
xbsd_list_types ();
break;
case 'n':
xbsd_new_part ();
break;
case 'p':
xbsd_print_disklabel (0);
break;
case 'q':
close (fd);
exit ( EXIT_SUCCESS );
case 'r':
return;
case 's':
xbsd_print_disklabel (1);
break;
case 't':
xbsd_change_fstype ();
break;
case 'u':
change_units();
break;
case 'w':
xbsd_write_disklabel ();
break;
#if !defined (__alpha__)
case 'x':
xbsd_link_part ();
break;
#endif
default:
bmenu ();
break;
}
}
}
static void
xbsd_delete_part (void)
{
int i;
i = xbsd_get_part_index (xbsd_dlabel.d_npartitions);
xbsd_dlabel.d_partitions[i].p_size = 0;
xbsd_dlabel.d_partitions[i].p_offset = 0;
xbsd_dlabel.d_partitions[i].p_fstype = BSD_FS_UNUSED;
if (xbsd_dlabel.d_npartitions == i + 1)
while (xbsd_dlabel.d_partitions[xbsd_dlabel.d_npartitions-1].p_size == 0)
xbsd_dlabel.d_npartitions--;
}
static void
xbsd_new_part (void)
{
uint begin, end;
char mesg[256];
int i;
if (!xbsd_check_new_partition (&i))
return;
#if !defined (__alpha__) && !defined (__powerpc__) && !defined (__hppa__)
begin = get_start_sect(xbsd_part);
end = begin + get_nr_sects(xbsd_part) - 1;
#else
begin = 0;
end = xbsd_dlabel.d_secperunit - 1;
#endif
snprintf (mesg, sizeof(mesg), _("First %s"), str_units(SINGULAR));
begin = read_int (bsd_cround (begin), bsd_cround (begin), bsd_cround (end),
0, mesg);
if (display_in_cyl_units)
begin = (begin - 1) * xbsd_dlabel.d_secpercyl;
snprintf (mesg, sizeof(mesg), _("Last %s or +size or +sizeM or +sizeK"),
str_units(SINGULAR));
end = read_int (bsd_cround (begin), bsd_cround (end), bsd_cround (end),
bsd_cround (begin), mesg);
if (display_in_cyl_units)
end = end * xbsd_dlabel.d_secpercyl - 1;
xbsd_dlabel.d_partitions[i].p_size = end - begin + 1;
xbsd_dlabel.d_partitions[i].p_offset = begin;
xbsd_dlabel.d_partitions[i].p_fstype = BSD_FS_UNUSED;
}
static void
xbsd_print_disklabel (int show_all) {
struct xbsd_disklabel *lp = &xbsd_dlabel;
struct xbsd_partition *pp;
int i, j;
if (show_all) {
#if defined (__alpha__)
printf("# %s:\n", disk_device);
#else
printf("# %s:\n", partname(disk_device, xbsd_part_index+1, 0));
#endif
if ((unsigned) lp->d_type < BSD_DKMAXTYPES)
printf(_("type: %s\n"), xbsd_dktypenames[lp->d_type]);
else
printf(_("type: %d\n"), lp->d_type);
printf(_("disk: %.*s\n"), (int) sizeof(lp->d_typename), lp->d_typename);
printf(_("label: %.*s\n"), (int) sizeof(lp->d_packname), lp->d_packname);
printf(_("flags:"));
if (lp->d_flags & BSD_D_REMOVABLE)
printf(_(" removable"));
if (lp->d_flags & BSD_D_ECC)
printf(_(" ecc"));
if (lp->d_flags & BSD_D_BADSECT)
printf(_(" badsect"));
printf("\n");
/* On various machines the fields of *lp are short/int/long */
/* In order to avoid problems, we cast them all to long. */
printf(_("bytes/sector: %ld\n"), (long) lp->d_secsize);
printf(_("sectors/track: %ld\n"), (long) lp->d_nsectors);
printf(_("tracks/cylinder: %ld\n"), (long) lp->d_ntracks);
printf(_("sectors/cylinder: %ld\n"), (long) lp->d_secpercyl);
printf(_("cylinders: %ld\n"), (long) lp->d_ncylinders);
printf(_("rpm: %d\n"), lp->d_rpm);
printf(_("interleave: %d\n"), lp->d_interleave);
printf(_("trackskew: %d\n"), lp->d_trackskew);
printf(_("cylinderskew: %d\n"), lp->d_cylskew);
printf(_("headswitch: %ld\t\t# milliseconds\n"),
(long) lp->d_headswitch);
printf(_("track-to-track seek: %ld\t# milliseconds\n"),
(long) lp->d_trkseek);
printf(_("drivedata: "));
for (i = NDDATA - 1; i >= 0; i--)
if (lp->d_drivedata[i])
break;
if (i < 0)
i = 0;
for (j = 0; j <= i; j++)
printf("%ld ", (long) lp->d_drivedata[j]);
}
printf(_("\n%d partitions:\n"), lp->d_npartitions);
printf(_("# start end size fstype [fsize bsize cpg]\n"));
pp = lp->d_partitions;
for (i = 0; i < lp->d_npartitions; i++, pp++) {
if (pp->p_size) {
if (display_in_cyl_units && lp->d_secpercyl) {
printf(" %c: %8ld%c %8ld%c %8ld%c ",
'a' + i,
(long) pp->p_offset / lp->d_secpercyl + 1,
(pp->p_offset % lp->d_secpercyl) ? '*' : ' ',
(long) (pp->p_offset + pp->p_size + lp->d_secpercyl - 1)
/ lp->d_secpercyl,
((pp->p_offset + pp->p_size) % lp->d_secpercyl) ? '*' : ' ',
(long) pp->p_size / lp->d_secpercyl,
(pp->p_size % lp->d_secpercyl) ? '*' : ' ');
} else {
printf(" %c: %8ld %8ld %8ld ",
'a' + i,
(long) pp->p_offset,
(long) pp->p_offset + pp->p_size - 1,
(long) pp->p_size);
}
if ((unsigned) pp->p_fstype < BSD_FSMAXTYPES)
printf("%8.8s", xbsd_fstypes[pp->p_fstype].name);
else
printf("%8x", pp->p_fstype);
switch (pp->p_fstype) {
case BSD_FS_UNUSED:
printf(" %5ld %5ld %5.5s ",
(long) pp->p_fsize, (long) pp->p_fsize * pp->p_frag, "");
break;
case BSD_FS_BSDFFS:
printf(" %5ld %5ld %5d ",
(long) pp->p_fsize, (long) pp->p_fsize * pp->p_frag,
pp->p_cpg);
break;
default:
printf("%22.22s", "");
break;
}
printf("\n");
}
}
}
static void
xbsd_write_disklabel (void) {
#if defined (__alpha__)
printf (_("Writing disklabel to %s.\n"), disk_device);
xbsd_writelabel (NULL, &xbsd_dlabel);
#else
printf (_("Writing disklabel to %s.\n"),
partname(disk_device, xbsd_part_index+1, 0));
xbsd_writelabel (xbsd_part, &xbsd_dlabel);
#endif
reread_partition_table(0); /* no exit yet */
}
static int
xbsd_create_disklabel (void) {
char c;
#if defined (__alpha__)
fprintf (stderr, _("%s contains no disklabel.\n"), disk_device);
#else
fprintf (stderr, _("%s contains no disklabel.\n"),
partname(disk_device, xbsd_part_index+1, 0));
#endif
while (1) {
c = read_char (_("Do you want to create a disklabel? (y/n) "));
if (c == 'y' || c == 'Y') {
if (xbsd_initlabel (
#if defined (__alpha__) || defined (__powerpc__) || defined (__hppa__) || \
defined (__s390__) || defined (__s390x__)
NULL, &xbsd_dlabel, 0
#else
xbsd_part, &xbsd_dlabel, xbsd_part_index
#endif
) == 1) {
xbsd_print_disklabel (1);
return 1;
} else
return 0;
} else if (c == 'n')
return 0;
}
}
static int
edit_int (int def, char *mesg)
{
do {
fputs (mesg, stdout);
printf (" (%d): ", def);
if (!read_line ())
return def;
}
while (!isdigit (*line_ptr));
return atoi (line_ptr);
}
static void
xbsd_edit_disklabel (void)
{
struct xbsd_disklabel *d;
d = &xbsd_dlabel;
#if defined (__alpha__) || defined (__ia64__)
d -> d_secsize = (u_long) edit_int ((u_long) d -> d_secsize ,_("bytes/sector"));
d -> d_nsectors = (u_long) edit_int ((u_long) d -> d_nsectors ,_("sectors/track"));
d -> d_ntracks = (u_long) edit_int ((u_long) d -> d_ntracks ,_("tracks/cylinder"));
d -> d_ncylinders = (u_long) edit_int ((u_long) d -> d_ncylinders ,_("cylinders"));
#endif
/* d -> d_secpercyl can be != d -> d_nsectors * d -> d_ntracks */
while (1)
{
d -> d_secpercyl = (u_long) edit_int ((u_long) d -> d_nsectors * d -> d_ntracks,
_("sectors/cylinder"));
if (d -> d_secpercyl <= d -> d_nsectors * d -> d_ntracks)
break;
printf (_("Must be <= sectors/track * tracks/cylinder (default).\n"));
}
d -> d_rpm = (u_short) edit_int ((u_short) d -> d_rpm ,_("rpm"));
d -> d_interleave = (u_short) edit_int ((u_short) d -> d_interleave,_("interleave"));
d -> d_trackskew = (u_short) edit_int ((u_short) d -> d_trackskew ,_("trackskew"));
d -> d_cylskew = (u_short) edit_int ((u_short) d -> d_cylskew ,_("cylinderskew"));
d -> d_headswitch = (u_long) edit_int ((u_long) d -> d_headswitch ,_("headswitch"));
d -> d_trkseek = (u_long) edit_int ((u_long) d -> d_trkseek ,_("track-to-track seek"));
d -> d_secperunit = d -> d_secpercyl * d -> d_ncylinders;
}
static int
xbsd_get_bootstrap (char *path, void *ptr, int size)
{
int fdb;
if ((fdb = open (path, O_RDONLY)) < 0)
{
perror (path);
return 0;
}
if (read (fdb, ptr, size) < 0)
{
perror (path);
close (fdb);
return 0;
}
printf (" ... %s\n", path);
close (fdb);
return 1;
}
static void
sync_disks (void)
{
printf (_("\nSyncing disks.\n"));
sync ();
sleep (4);
}
static void
xbsd_write_bootstrap (void)
{
char *bootdir = BSD_LINUX_BOOTDIR;
char path[MAXPATHLEN];
char *dkbasename;
struct xbsd_disklabel dl;
char *d, *p, *e;
int sector;
if (xbsd_dlabel.d_type == BSD_DTYPE_SCSI)
dkbasename = "sd";
else
dkbasename = "wd";
printf (_("Bootstrap: %sboot -> boot%s (%s): "),
dkbasename, dkbasename, dkbasename);
if (read_line ()) {
line_ptr[strlen (line_ptr)-1] = '\0';
dkbasename = line_ptr;
}
snprintf (path, sizeof(path), "%s/%sboot", bootdir, dkbasename);
if (!xbsd_get_bootstrap (path, disklabelbuffer, (int) xbsd_dlabel.d_secsize))
return;
/* We need a backup of the disklabel (xbsd_dlabel might have changed). */
d = &disklabelbuffer[BSD_LABELSECTOR * SECTOR_SIZE];
bcopy (d, &dl, sizeof (struct xbsd_disklabel));
/* The disklabel will be overwritten by 0's from bootxx anyway */
bzero (d, sizeof (struct xbsd_disklabel));
snprintf (path, sizeof(path), "%s/boot%s", bootdir, dkbasename);
if (!xbsd_get_bootstrap (path, &disklabelbuffer[xbsd_dlabel.d_secsize],
(int) xbsd_dlabel.d_bbsize - xbsd_dlabel.d_secsize))
return;
e = d + sizeof (struct xbsd_disklabel);
for (p=d; p < e; p++)
if (*p) {
fprintf (stderr, _("Bootstrap overlaps with disk label!\n"));
exit ( EXIT_FAILURE );
}
bcopy (&dl, d, sizeof (struct xbsd_disklabel));
#if defined (__powerpc__) || defined (__hppa__)
sector = 0;
#elif defined (__alpha__)
sector = 0;
alpha_bootblock_checksum (disklabelbuffer);
#else
sector = get_start_sect(xbsd_part);
#endif
if (lseek (fd, sector * SECTOR_SIZE, SEEK_SET) == -1)
fdisk_fatal (unable_to_seek);
if (BSD_BBSIZE != write (fd, disklabelbuffer, BSD_BBSIZE))
fdisk_fatal (unable_to_write);
#if defined (__alpha__)
printf (_("Bootstrap installed on %s.\n"), disk_device);
#else
printf (_("Bootstrap installed on %s.\n"),
partname (disk_device, xbsd_part_index+1, 0));
#endif
sync_disks ();
}
static void
xbsd_change_fstype (void)
{
int i;
i = xbsd_get_part_index (xbsd_dlabel.d_npartitions);
xbsd_dlabel.d_partitions[i].p_fstype = read_hex (xbsd_fstypes);
}
static int
xbsd_get_part_index (int max)
{
char prompt[256];
char l;
snprintf (prompt, sizeof(prompt), _("Partition (a-%c): "), 'a' + max - 1);
do
l = tolower (read_char (prompt));
while (l < 'a' || l > 'a' + max - 1);
return l - 'a';
}
static int
xbsd_check_new_partition (int *i) {
/* room for more? various BSD flavours have different maxima */
if (xbsd_dlabel.d_npartitions == BSD_MAXPARTITIONS) {
int t;
for (t = 0; t < BSD_MAXPARTITIONS; t++)
if (xbsd_dlabel.d_partitions[t].p_size == 0)
break;
if (t == BSD_MAXPARTITIONS) {
fprintf (stderr, _("The maximum number of partitions "
"has been created\n"));
return 0;
}
}
*i = xbsd_get_part_index (BSD_MAXPARTITIONS);
if (*i >= xbsd_dlabel.d_npartitions)
xbsd_dlabel.d_npartitions = (*i) + 1;
if (xbsd_dlabel.d_partitions[*i].p_size != 0) {
fprintf (stderr, _("This partition already exists.\n"));
return 0;
}
return 1;
}
static void
xbsd_list_types (void) {
list_types (xbsd_fstypes);
}
static u_short
xbsd_dkcksum (struct xbsd_disklabel *lp) {
u_short *start, *end;
u_short sum = 0;
start = (u_short *) lp;
end = (u_short *) &lp->d_partitions[lp->d_npartitions];
while (start < end)
sum ^= *start++;
return sum;
}
static int
xbsd_initlabel (struct partition *p, struct xbsd_disklabel *d, int pindex) {
struct xbsd_partition *pp;
get_geometry ();
bzero (d, sizeof (struct xbsd_disklabel));
d -> d_magic = BSD_DISKMAGIC;
if (strncmp (disk_device, "/dev/sd", 7) == 0)
d -> d_type = BSD_DTYPE_SCSI;
else
d -> d_type = BSD_DTYPE_ST506;
#if 0 /* not used (at least not written to disk) by NetBSD/i386 1.0 */
d -> d_subtype = BSD_DSTYPE_INDOSPART & pindex;
#endif
#if !defined (__alpha__)
d -> d_flags = BSD_D_DOSPART;
#else
d -> d_flags = 0;
#endif
d -> d_secsize = SECTOR_SIZE; /* bytes/sector */
d -> d_nsectors = sectors; /* sectors/track */
d -> d_ntracks = heads; /* tracks/cylinder (heads) */
d -> d_ncylinders = cylinders;
d -> d_secpercyl = sectors * heads;/* sectors/cylinder */
if (d -> d_secpercyl == 0)
d -> d_secpercyl = 1; /* avoid segfaults */
d -> d_secperunit = d -> d_secpercyl * d -> d_ncylinders;
d -> d_rpm = 3600;
d -> d_interleave = 1;
d -> d_trackskew = 0;
d -> d_cylskew = 0;
d -> d_headswitch = 0;
d -> d_trkseek = 0;
d -> d_magic2 = BSD_DISKMAGIC;
d -> d_bbsize = BSD_BBSIZE;
d -> d_sbsize = BSD_SBSIZE;
#if !defined (__alpha__)
d -> d_npartitions = 4;
pp = &d -> d_partitions[2]; /* Partition C should be
the NetBSD partition */
pp -> p_offset = get_start_sect(p);
pp -> p_size = get_nr_sects(p);
pp -> p_fstype = BSD_FS_UNUSED;
pp = &d -> d_partitions[3]; /* Partition D should be
the whole disk */
pp -> p_offset = 0;
pp -> p_size = d -> d_secperunit;
pp -> p_fstype = BSD_FS_UNUSED;
#elif defined (__alpha__)
d -> d_npartitions = 3;
pp = &d -> d_partitions[2]; /* Partition C should be
the whole disk */
pp -> p_offset = 0;
pp -> p_size = d -> d_secperunit;
pp -> p_fstype = BSD_FS_UNUSED;
#endif
return 1;
}
/*
* Read a xbsd_disklabel from sector 0 or from the starting sector of p.
* If it has the right magic, return 1.
*/
static int
xbsd_readlabel (struct partition *p, struct xbsd_disklabel *d)
{
int t, sector;
/* p is used only to get the starting sector */
#if !defined (__alpha__)
sector = (p ? get_start_sect(p) : 0);
#elif defined (__alpha__)
sector = 0;
#endif
if (lseek (fd, sector * SECTOR_SIZE, SEEK_SET) == -1)
fdisk_fatal (unable_to_seek);
if (BSD_BBSIZE != read (fd, disklabelbuffer, BSD_BBSIZE))
fdisk_fatal (unable_to_read);
bcopy (&disklabelbuffer[BSD_LABELSECTOR * SECTOR_SIZE + BSD_LABELOFFSET],
d, sizeof (struct xbsd_disklabel));
if (d -> d_magic != BSD_DISKMAGIC || d -> d_magic2 != BSD_DISKMAGIC)
return 0;
for (t = d -> d_npartitions; t < BSD_MAXPARTITIONS; t++) {
d -> d_partitions[t].p_size = 0;
d -> d_partitions[t].p_offset = 0;
d -> d_partitions[t].p_fstype = BSD_FS_UNUSED;
}
if (d -> d_npartitions > BSD_MAXPARTITIONS)
fprintf (stderr, _("Warning: too many partitions "
"(%d, maximum is %d).\n"),
d -> d_npartitions, BSD_MAXPARTITIONS);
return 1;
}
static int
xbsd_writelabel (struct partition *p, struct xbsd_disklabel *d)
{
unsigned int sector;
#if !defined (__alpha__) && !defined (__powerpc__) && !defined (__hppa__)
sector = get_start_sect(p) + BSD_LABELSECTOR;
#else
sector = BSD_LABELSECTOR;
#endif
d -> d_checksum = 0;
d -> d_checksum = xbsd_dkcksum (d);
/* This is necessary if we want to write the bootstrap later,
otherwise we'd write the old disklabel with the bootstrap.
*/
bcopy (d, &disklabelbuffer[BSD_LABELSECTOR * SECTOR_SIZE + BSD_LABELOFFSET],
sizeof (struct xbsd_disklabel));
#if defined (__alpha__) && BSD_LABELSECTOR == 0
alpha_bootblock_checksum (disklabelbuffer);
if (lseek (fd, 0, SEEK_SET) == -1)
fdisk_fatal (unable_to_seek);
if (BSD_BBSIZE != write (fd, disklabelbuffer, BSD_BBSIZE))
fdisk_fatal (unable_to_write);
#else
if (lseek (fd, sector * SECTOR_SIZE + BSD_LABELOFFSET,
SEEK_SET) == -1)
fdisk_fatal (unable_to_seek);
if (sizeof (struct xbsd_disklabel) != write (fd, d, sizeof (struct xbsd_disklabel)))
fdisk_fatal (unable_to_write);
#endif
sync_disks ();
return 1;
}
#if !defined (__alpha__)
static int
xbsd_translate_fstype (int linux_type)
{
switch (linux_type)
{
case 0x01: /* DOS 12-bit FAT */
case 0x04: /* DOS 16-bit <32M */
case 0x06: /* DOS 16-bit >=32M */
case 0xe1: /* DOS access */
case 0xe3: /* DOS R/O */
case 0xf2: /* DOS secondary */
return BSD_FS_MSDOS;
case 0x07: /* OS/2 HPFS */
return BSD_FS_HPFS;
default:
return BSD_FS_OTHER;
}
}
static void
xbsd_link_part (void)
{
int k, i;
struct partition *p;
k = get_partition (1, partitions);
if (!xbsd_check_new_partition (&i))
return;
p = get_part_table(k);
xbsd_dlabel.d_partitions[i].p_size = get_nr_sects(p);
xbsd_dlabel.d_partitions[i].p_offset = get_start_sect(p);
xbsd_dlabel.d_partitions[i].p_fstype = xbsd_translate_fstype(p->sys_ind);
}
#endif
#if defined (__alpha__)
#if !defined(__GLIBC__)
typedef unsigned long long uint64_t;
#endif
static void
alpha_bootblock_checksum (char *boot)
{
uint64_t *dp, sum;
int i;
dp = (uint64_t *)boot;
sum = 0;
for (i = 0; i < 63; i++)
sum += dp[i];
dp[63] = sum;
}
#endif /* __alpha__ */
#endif /* OSF_LABEL */
#if defined(CONFIG_FEATURE_SGI_LABEL) || defined(CONFIG_FEATURE_SUN_LABEL)
static inline unsigned short
__swap16(unsigned short x) {
return (((uint16_t)(x) & 0xFF) << 8) | (((uint16_t)(x) & 0xFF00) >> 8);
}
static inline uint32_t
__swap32(uint32_t x) {
return (((x & 0xFF) << 24) |
((x & 0xFF00) << 8) |
((x & 0xFF0000) >> 8) |
((x & 0xFF000000) >> 24));
}
#endif
#ifdef CONFIG_FEATURE_SGI_LABEL
/*
*
* fdisksgilabel.c
*
* Copyright (C) Andreas Neuper, Sep 1998.
* This file may be modified and redistributed under
* the terms of the GNU Public License.
*
* Sat Mar 20 EST 1999 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
* Internationalization
*/
static int sgi_other_endian;
static int debug;
static short sgi_volumes=1;
/*
* only dealing with free blocks here
*/
typedef struct { unsigned int first; unsigned int last; } freeblocks;
static freeblocks freelist[17]; /* 16 partitions can produce 17 vacant slots */
static void
setfreelist(int i, unsigned int f, unsigned int l) {
freelist[i].first = f;
freelist[i].last = l;
}
static void
add2freelist(unsigned int f, unsigned int l) {
int i = 0;
for ( ; i < 17 ; i++)
if (freelist[i].last == 0)
break;
setfreelist(i, f, l);
}
static void
clearfreelist(void) {
int i;
for (i = 0; i < 17 ; i++)
setfreelist(i, 0, 0);
}
static unsigned int
isinfreelist(unsigned int b) {
int i;
for (i = 0; i < 17 ; i++)
if (freelist[i].first <= b && freelist[i].last >= b)
return freelist[i].last;
return 0;
}
/* return last vacant block of this stride (never 0). */
/* the '>=' is not quite correct, but simplifies the code */
/*
* end of free blocks section
*/
static const struct systypes sgi_sys_types[] = {
/* SGI_VOLHDR */ {"\x00" "SGI volhdr" },
/* 0x01 */ {"\x01" "SGI trkrepl" },
/* 0x02 */ {"\x02" "SGI secrepl" },
/* SGI_SWAP */ {"\x03" "SGI raw" },
/* 0x04 */ {"\x04" "SGI bsd" },
/* 0x05 */ {"\x05" "SGI sysv" },
/* ENTIRE_DISK */ {"\x06" "SGI volume" },
/* SGI_EFS */ {"\x07" "SGI efs" },
/* 0x08 */ {"\x08" "SGI lvol" },
/* 0x09 */ {"\x09" "SGI rlvol" },
/* SGI_XFS */ {"\x0a" "SGI xfs" },
/* SGI_XFSLOG */ {"\x0b" "SGI xfslog" },
/* SGI_XLV */ {"\x0c" "SGI xlv" },
/* SGI_XVM */ {"\x0d" "SGI xvm" },
/* LINUX_SWAP */ {"\x82" "Linux swap" },
/* LINUX_NATIVE */ {"\x83" "Linux native" },
/* LINUX_LVM */ {"\x8d" "Linux LVM" },
/* LINUX_RAID */ {"\xfd" "Linux RAID" },
{ NULL }
};
static int
sgi_get_nsect(void) {
return SGI_SSWAP16(sgilabel->devparam.nsect);
}
static int
sgi_get_ntrks(void) {
return SGI_SSWAP16(sgilabel->devparam.ntrks);
}
static void
sgi_nolabel(void) {
sgilabel->magic = 0;
sgi_label = 0;
partitions = 4;
}
static unsigned int
two_s_complement_32bit_sum(unsigned int* base, int size /* in bytes */) {
int i=0;
unsigned int sum=0;
size /= sizeof(unsigned int);
for (i = 0; i < size; i++)
sum -= SGI_SSWAP32(base[i]);
return sum;
}
static int
check_sgi_label(void) {
if (sizeof(sgilabel) > 512) {
fprintf(stderr,
_("According to MIPS Computer Systems, Inc the "
"Label must not contain more than 512 bytes\n"));
exit(1);
}
if (sgilabel->magic != SGI_LABEL_MAGIC &&
sgilabel->magic != SGI_LABEL_MAGIC_SWAPPED) {
sgi_label = 0;
sgi_other_endian = 0;
return 0;
}
sgi_other_endian = (sgilabel->magic == SGI_LABEL_MAGIC_SWAPPED);
/*
* test for correct checksum
*/
if (two_s_complement_32bit_sum((unsigned int*)sgilabel,
sizeof(*sgilabel))) {
fprintf(stderr,
_("Detected sgi disklabel with wrong checksum.\n"));
}
update_units();
sgi_label = 1;
partitions= 16;
sgi_volumes = 15;
return 1;
}
static unsigned int
sgi_get_start_sector(int i) {
return SGI_SSWAP32(sgilabel->partitions[i].start_sector);
}
static unsigned int
sgi_get_num_sectors(int i) {
return SGI_SSWAP32(sgilabel->partitions[i].num_sectors);
}
static int
sgi_get_sysid(int i)
{
return SGI_SSWAP32(sgilabel->partitions[i].id);
}
static int
sgi_get_bootpartition(void)
{
return SGI_SSWAP16(sgilabel->boot_part);
}
static int
sgi_get_swappartition(void)
{
return SGI_SSWAP16(sgilabel->swap_part);
}
static void
sgi_list_table(int xtra) {
int i, w, wd;
int kpi = 0; /* kernel partition ID */
if(xtra) {
printf(_("\nDisk %s (SGI disk label): %d heads, %d sectors\n"
"%d cylinders, %d physical cylinders\n"
"%d extra sects/cyl, interleave %d:1\n"
"%s\n"
"Units = %s of %d * 512 bytes\n\n"),
disk_device, heads, sectors, cylinders,
SGI_SSWAP16(sgiparam.pcylcount),
SGI_SSWAP16(sgiparam.sparecyl),
SGI_SSWAP16(sgiparam.ilfact),
(char *)sgilabel,
str_units(PLURAL), units_per_sector);
} else {
printf( _("\nDisk %s (SGI disk label): "
"%d heads, %d sectors, %d cylinders\n"
"Units = %s of %d * 512 bytes\n\n"),
disk_device, heads, sectors, cylinders,
str_units(PLURAL), units_per_sector );
}
w = strlen(disk_device);
wd = strlen(_("Device"));
if (w < wd)
w = wd;
printf(_("----- partitions -----\n"
"Pt# %*s Info Start End Sectors Id System\n"),
w + 2, _("Device"));
for (i = 0 ; i < partitions; i++) {
if( sgi_get_num_sectors(i) || debug ) {
uint32_t start = sgi_get_start_sector(i);
uint32_t len = sgi_get_num_sectors(i);
kpi++; /* only count nonempty partitions */
printf(
"%2d: %s %4s %9ld %9ld %9ld %2x %s\n",
/* fdisk part number */ i+1,
/* device */ partname(disk_device, kpi, w+3),
/* flags */ (sgi_get_swappartition() == i) ? "swap" :
/* flags */ (sgi_get_bootpartition() == i) ? "boot" : " ",
/* start */ (long) scround(start),
/* end */ (long) scround(start+len)-1,
/* no odd flag on end */ (long) len,
/* type id */ sgi_get_sysid(i),
/* type name */ partition_type(sgi_get_sysid(i)));
}
}
printf(_("----- Bootinfo -----\nBootfile: %s\n"
"----- Directory Entries -----\n"),
sgilabel->boot_file);
for (i = 0 ; i < sgi_volumes; i++) {
if (sgilabel->directory[i].vol_file_size) {
uint32_t start = SGI_SSWAP32(sgilabel->directory[i].vol_file_start);
uint32_t len = SGI_SSWAP32(sgilabel->directory[i].vol_file_size);
char*name = sgilabel->directory[i].vol_file_name;
printf(_("%2d: %-10s sector%5u size%8u\n"),
i, name, (unsigned int) start, (unsigned int) len);
}
}
}
static void
sgi_set_bootpartition( int i )
{
sgilabel->boot_part = SGI_SSWAP16(((short)i));
}
static unsigned int
sgi_get_lastblock(void) {
return heads * sectors * cylinders;
}
static void
sgi_set_swappartition( int i ) {
sgilabel->swap_part = SGI_SSWAP16(((short)i));
}
static int
sgi_check_bootfile(const char* aFile) {
if (strlen(aFile) < 3) /* "/a\n" is minimum */ {
printf(_("\nInvalid Bootfile!\n"
"\tThe bootfile must be an absolute non-zero pathname,\n"
"\te.g. \"/unix\" or \"/unix.save\".\n"));
return 0;
} else {
if (strlen(aFile) > 16) {
printf(_("\n\tName of Bootfile too long: "
"16 bytes maximum.\n"));
return 0;
} else {
if (aFile[0] != '/') {
printf(_("\n\tBootfile must have a "
"fully qualified pathname.\n"));
return 0;
}
}
}
if (strncmp(aFile, sgilabel->boot_file, 16)) {
printf(_("\n\tBe aware, that the bootfile is not checked for existence.\n\t"
"SGI's default is \"/unix\" and for backup \"/unix.save\".\n"));
/* filename is correct and did change */
return 1;
}
return 0; /* filename did not change */
}
static const char *
sgi_get_bootfile(void) {
return sgilabel->boot_file;
}
static void
sgi_set_bootfile(const char* aFile) {
int i = 0;
if (sgi_check_bootfile(aFile)) {
while (i < 16) {
if ((aFile[i] != '\n') /* in principle caught again by next line */
&& (strlen(aFile) > i))
sgilabel->boot_file[i] = aFile[i];
else
sgilabel->boot_file[i] = 0;
i++;
}
printf(_("\n\tBootfile is changed to \"%s\".\n"), sgilabel->boot_file);
}
}
static void
create_sgiinfo(void)
{
/* I keep SGI's habit to write the sgilabel to the second block */
sgilabel->directory[0].vol_file_start = SGI_SSWAP32(2);
sgilabel->directory[0].vol_file_size = SGI_SSWAP32(sizeof(sgiinfo));
strncpy(sgilabel->directory[0].vol_file_name, "sgilabel", 8);
}
static sgiinfo *fill_sgiinfo(void);
static void
sgi_write_table(void) {
sgilabel->csum = 0;
sgilabel->csum = SGI_SSWAP32(two_s_complement_32bit_sum(
(unsigned int*)sgilabel,
sizeof(*sgilabel)));
assert(two_s_complement_32bit_sum(
(unsigned int*)sgilabel, sizeof(*sgilabel)) == 0);
if (lseek(fd, 0, SEEK_SET) < 0)
fdisk_fatal(unable_to_seek);
if (write(fd, sgilabel, SECTOR_SIZE) != SECTOR_SIZE)
fdisk_fatal(unable_to_write);
if (! strncmp(sgilabel->directory[0].vol_file_name, "sgilabel", 8)) {
/*
* keep this habit of first writing the "sgilabel".
* I never tested whether it works without (AN 981002).
*/
sgiinfo *info = fill_sgiinfo();
int infostartblock = SGI_SSWAP32(sgilabel->directory[0].vol_file_start);
if (lseek(fd, infostartblock*SECTOR_SIZE, SEEK_SET) < 0)
fdisk_fatal(unable_to_seek);
if (write(fd, info, SECTOR_SIZE) != SECTOR_SIZE)
fdisk_fatal(unable_to_write);
free(info);
}
}
static int
compare_start(int *x, int *y) {
/*
* sort according to start sectors
* and prefers largest partition:
* entry zero is entire disk entry
*/
unsigned int i = *x;
unsigned int j = *y;
unsigned int a = sgi_get_start_sector(i);
unsigned int b = sgi_get_start_sector(j);
unsigned int c = sgi_get_num_sectors(i);
unsigned int d = sgi_get_num_sectors(j);
if (a == b)
return (d > c) ? 1 : (d == c) ? 0 : -1;
return (a > b) ? 1 : -1;
}
static int
verify_sgi(int verbose)
{
int Index[16]; /* list of valid partitions */
int sortcount = 0; /* number of used partitions, i.e. non-zero lengths */
int entire = 0, i = 0;
unsigned int start = 0;
long long gap = 0; /* count unused blocks */
unsigned int lastblock = sgi_get_lastblock();
clearfreelist();
for (i=0; i<16; i++) {
if (sgi_get_num_sectors(i) != 0) {
Index[sortcount++]=i;
if (sgi_get_sysid(i) == ENTIRE_DISK) {
if (entire++ == 1) {
if (verbose)
printf(_("More than one entire disk entry present.\n"));
}
}
}
}
if (sortcount == 0) {
if (verbose)
printf(_("No partitions defined\n"));
return (lastblock > 0) ? 1 : (lastblock == 0) ? 0 : -1;
}
qsort(Index, sortcount, sizeof(Index[0]), (void*)compare_start);
if (sgi_get_sysid(Index[0]) == ENTIRE_DISK) {
if ((Index[0] != 10) && verbose)
printf(_("IRIX likes when Partition 11 covers the entire disk.\n"));
if ((sgi_get_start_sector(Index[0]) != 0) && verbose)
printf(_("The entire disk partition should start "
"at block 0,\n"
"not at diskblock %d.\n"),
sgi_get_start_sector(Index[0]));
if (debug) /* I do not understand how some disks fulfil it */
if ((sgi_get_num_sectors(Index[0]) != lastblock) && verbose)
printf(_("The entire disk partition is only %d diskblock large,\n"
"but the disk is %d diskblocks long.\n"),
sgi_get_num_sectors(Index[0]), lastblock);
lastblock = sgi_get_num_sectors(Index[0]);
} else {
if (verbose)
printf(_("One Partition (#11) should cover the entire disk.\n"));
if (debug>2)
printf("sysid=%d\tpartition=%d\n",
sgi_get_sysid(Index[0]), Index[0]+1);
}
for (i=1, start=0; i<sortcount; i++) {
int cylsize = sgi_get_nsect() * sgi_get_ntrks();
if ((sgi_get_start_sector(Index[i]) % cylsize) != 0) {
if (debug) /* I do not understand how some disks fulfil it */
if (verbose)
printf(_("Partition %d does not start on cylinder boundary.\n"),
Index[i]+1);
}
if (sgi_get_num_sectors(Index[i]) % cylsize != 0) {
if (debug) /* I do not understand how some disks fulfil it */
if (verbose)
printf(_("Partition %d does not end on cylinder boundary.\n"),
Index[i]+1);
}
/* We cannot handle several "entire disk" entries. */
if (sgi_get_sysid(Index[i]) == ENTIRE_DISK) continue;
if (start > sgi_get_start_sector(Index[i])) {
if (verbose)
printf(_("The Partition %d and %d overlap by %d sectors.\n"),
Index[i-1]+1, Index[i]+1,
start - sgi_get_start_sector(Index[i]));
if (gap > 0) gap = -gap;
if (gap == 0) gap = -1;
}
if (start < sgi_get_start_sector(Index[i])) {
if (verbose)
printf(_("Unused gap of %8u sectors - sectors %8u-%u\n"),
sgi_get_start_sector(Index[i]) - start,
start, sgi_get_start_sector(Index[i])-1);
gap += sgi_get_start_sector(Index[i]) - start;
add2freelist(start, sgi_get_start_sector(Index[i]));
}
start = sgi_get_start_sector(Index[i])
+ sgi_get_num_sectors(Index[i]);
if (debug > 1) {
if (verbose)
printf("%2d:%12d\t%12d\t%12d\n", Index[i],
sgi_get_start_sector(Index[i]),
sgi_get_num_sectors(Index[i]),
sgi_get_sysid(Index[i]));
}
}
if (start < lastblock) {
if (verbose)
printf(_("Unused gap of %8u sectors - sectors %8u-%u\n"),
lastblock - start, start, lastblock-1);
gap += lastblock - start;
add2freelist(start, lastblock);
}
/*
* Done with arithmetics
* Go for details now
*/
if (verbose) {
if (!sgi_get_num_sectors(sgi_get_bootpartition())) {
printf(_("\nThe boot partition does not exist.\n"));
}
if (!sgi_get_num_sectors(sgi_get_swappartition())) {
printf(_("\nThe swap partition does not exist.\n"));
} else {
if ((sgi_get_sysid(sgi_get_swappartition()) != SGI_SWAP)
&& (sgi_get_sysid(sgi_get_swappartition()) != LINUX_SWAP))
printf(_("\nThe swap partition has no swap type.\n"));
}
if (sgi_check_bootfile("/unix"))
printf(_("\tYou have chosen an unusual boot file name.\n"));
}
return (gap > 0) ? 1 : (gap == 0) ? 0 : -1;
}
static int
sgi_gaps(void) {
/*
* returned value is:
* = 0 : disk is properly filled to the rim
* < 0 : there is an overlap
* > 0 : there is still some vacant space
*/
return verify_sgi(0);
}
static void
sgi_change_sysid( int i, int sys )
{
if( sgi_get_num_sectors(i) == 0 ) /* caught already before, ... */
{
printf(_("Sorry You may change the Tag of non-empty partitions.\n"));
return;
}
if( ((sys != ENTIRE_DISK ) && (sys != SGI_VOLHDR))
&& (sgi_get_start_sector(i)<1) )
{
read_chars(
_("It is highly recommended that the partition at offset 0\n"
"is of type \"SGI volhdr\", the IRIX system will rely on it to\n"
"retrieve from its directory standalone tools like sash and fx.\n"
"Only the \"SGI volume\" entire disk section may violate this.\n"
"Type YES if you are sure about tagging this partition differently.\n"));
if (strcmp (line_ptr, _("YES\n")))
return;
}
sgilabel->partitions[i].id = SGI_SSWAP32(sys);
}
/* returns partition index of first entry marked as entire disk */
static int
sgi_entire(void) {
int i;
for(i=0; i<16; i++)
if(sgi_get_sysid(i) == SGI_VOLUME)
return i;
return -1;
}
static void
sgi_set_partition(int i, unsigned int start, unsigned int length, int sys) {
sgilabel->partitions[i].id = SGI_SSWAP32(sys);
sgilabel->partitions[i].num_sectors = SGI_SSWAP32(length);
sgilabel->partitions[i].start_sector = SGI_SSWAP32(start);
set_changed(i);
if (sgi_gaps() < 0) /* rebuild freelist */
printf(_("Do You know, You got a partition overlap on the disk?\n"));
}
static void
sgi_set_entire(void) {
int n;
for(n=10; n < partitions; n++) {
if(!sgi_get_num_sectors(n) ) {
sgi_set_partition(n, 0, sgi_get_lastblock(), SGI_VOLUME);
break;
}
}
}
static void
sgi_set_volhdr(void)
{
int n;
for( n=8; n<partitions; n++ )
{
if(!sgi_get_num_sectors( n ) )
{
/*
* 5 cylinders is an arbitrary value I like
* IRIX 5.3 stored files in the volume header
* (like sash, symmon, fx, ide) with ca. 3200
* sectors.
*/
if( heads * sectors * 5 < sgi_get_lastblock() )
sgi_set_partition( n, 0, heads * sectors * 5, SGI_VOLHDR );
break;
}
}
}
static void
sgi_delete_partition( int i )
{
sgi_set_partition( i, 0, 0, 0 );
}
static void
sgi_add_partition( int n, int sys )
{
char mesg[256];
unsigned int first=0, last=0;
if( n == 10 ) {
sys = SGI_VOLUME;
} else if ( n == 8 ) {
sys = 0;
}
if(sgi_get_num_sectors(n)) {
printf(_("Partition %d is already defined. Delete "
"it before re-adding it.\n"), n + 1);
return;
}
if( (sgi_entire() == -1) && (sys != SGI_VOLUME) ) {
printf(_("Attempting to generate entire disk entry automatically.\n"));
sgi_set_entire();
sgi_set_volhdr();
}
if( (sgi_gaps() == 0) && (sys != SGI_VOLUME) ) {
printf(_("The entire disk is already covered with partitions.\n"));
return;
}
if(sgi_gaps() < 0) {
printf(_("You got a partition overlap on the disk. Fix it first!\n"));
return;
}
snprintf(mesg, sizeof(mesg), _("First %s"), str_units(SINGULAR));
for(;;) {
if(sys == SGI_VOLUME) {
last = sgi_get_lastblock();
first = read_int(0, 0, last-1, 0, mesg);
if( first != 0 ) {
printf(_("It is highly recommended that eleventh partition\n"
"covers the entire disk and is of type `SGI volume'\n"));
}
} else {
first = freelist[0].first;
last = freelist[0].last;
first = read_int(scround(first), scround(first), scround(last)-1,
0, mesg);
}
if (display_in_cyl_units)
first *= units_per_sector;
else
first = first; /* align to cylinder if you know how ... */
if( !last )
last = isinfreelist(first);
if( last == 0 ) {
printf(_("You will get a partition overlap on the disk. "
"Fix it first!\n"));
} else
break;
}
snprintf(mesg, sizeof(mesg), _(" Last %s"), str_units(SINGULAR));
last = read_int(scround(first), scround(last)-1, scround(last)-1,
scround(first), mesg)+1;
if (display_in_cyl_units)
last *= units_per_sector;
else
last = last; /* align to cylinder if You know how ... */
if( (sys == SGI_VOLUME) && ( first != 0 || last != sgi_get_lastblock() ) )
printf(_("It is highly recommended that eleventh partition\n"
"covers the entire disk and is of type `SGI volume'\n"));
sgi_set_partition( n, first, last-first, sys );
}
#ifdef CONFIG_FEATURE_FDISK_ADVANCED
static void
create_sgilabel(void)
{
struct hd_geometry geometry;
struct {
unsigned int start;
unsigned int nsect;
int sysid;
} old[4];
int i=0;
long longsectors; /* the number of sectors on the device */
int res; /* the result from the ioctl */
int sec_fac; /* the sector factor */
sec_fac = sector_size / 512; /* determine the sector factor */
fprintf( stderr,
_("Building a new SGI disklabel. Changes will remain in memory only,\n"
"until you decide to write them. After that, of course, the previous\n"
"content will be unrecoverably lost.\n\n"));
sgi_other_endian = (BYTE_ORDER == LITTLE_ENDIAN);
res = ioctl(fd, BLKGETSIZE, &longsectors);
if (!ioctl(fd, HDIO_GETGEO, &geometry)) {
heads = geometry.heads;
sectors = geometry.sectors;
if (res == 0) {
/* the get device size ioctl was successful */
cylinders = longsectors / (heads * sectors);
cylinders /= sec_fac;
} else {
/* otherwise print error and use truncated version */
cylinders = geometry.cylinders;
fprintf(stderr,
_("Warning: BLKGETSIZE ioctl failed on %s. "
"Using geometry cylinder value of %d.\n"
"This value may be truncated for devices"
" > 33.8 GB.\n"), disk_device, cylinders);
}
}
for (i = 0; i < 4; i++) {
old[i].sysid = 0;
if(valid_part_table_flag(MBRbuffer)) {
if(get_part_table(i)->sys_ind) {
old[i].sysid = get_part_table(i)->sys_ind;
old[i].start = get_start_sect(get_part_table(i));
old[i].nsect = get_nr_sects(get_part_table(i));
printf(_("Trying to keep parameters of partition %d.\n"), i);
if (debug)
printf(_("ID=%02x\tSTART=%d\tLENGTH=%d\n"),
old[i].sysid, old[i].start, old[i].nsect);
}
}
}
memset(MBRbuffer, 0, sizeof(MBRbuffer));
sgilabel->magic = SGI_SSWAP32(SGI_LABEL_MAGIC);
sgilabel->boot_part = SGI_SSWAP16(0);
sgilabel->swap_part = SGI_SSWAP16(1);
/* sizeof(sgilabel->boot_file) = 16 > 6 */
memset(sgilabel->boot_file, 0, 16);
strcpy(sgilabel->boot_file, "/unix");
sgilabel->devparam.skew = (0);
sgilabel->devparam.gap1 = (0);
sgilabel->devparam.gap2 = (0);
sgilabel->devparam.sparecyl = (0);
sgilabel->devparam.pcylcount = SGI_SSWAP16(geometry.cylinders);
sgilabel->devparam.head_vol0 = SGI_SSWAP16(0);
sgilabel->devparam.ntrks = SGI_SSWAP16(geometry.heads);
/* tracks/cylinder (heads) */
sgilabel->devparam.cmd_tag_queue_depth = (0);
sgilabel->devparam.unused0 = (0);
sgilabel->devparam.unused1 = SGI_SSWAP16(0);
sgilabel->devparam.nsect = SGI_SSWAP16(geometry.sectors);
/* sectors/track */
sgilabel->devparam.bytes = SGI_SSWAP16(512);
sgilabel->devparam.ilfact = SGI_SSWAP16(1);
sgilabel->devparam.flags = SGI_SSWAP32(TRACK_FWD|
IGNORE_ERRORS|RESEEK);
sgilabel->devparam.datarate = SGI_SSWAP32(0);
sgilabel->devparam.retries_on_error = SGI_SSWAP32(1);
sgilabel->devparam.ms_per_word = SGI_SSWAP32(0);
sgilabel->devparam.xylogics_gap1 = SGI_SSWAP16(0);
sgilabel->devparam.xylogics_syncdelay = SGI_SSWAP16(0);
sgilabel->devparam.xylogics_readdelay = SGI_SSWAP16(0);
sgilabel->devparam.xylogics_gap2 = SGI_SSWAP16(0);
sgilabel->devparam.xylogics_readgate = SGI_SSWAP16(0);
sgilabel->devparam.xylogics_writecont = SGI_SSWAP16(0);
memset( &(sgilabel->directory), 0, sizeof(struct volume_directory)*15 );
memset( &(sgilabel->partitions), 0, sizeof(struct sgi_partition)*16 );
sgi_label = 1;
partitions = 16;
sgi_volumes = 15;
sgi_set_entire();
sgi_set_volhdr();
for (i = 0; i < 4; i++) {
if(old[i].sysid) {
sgi_set_partition(i, old[i].start, old[i].nsect, old[i].sysid);
}
}
}
static void
sgi_set_xcyl(void)
{
/* do nothing in the beginning */
}
#endif /* CONFIG_FEATURE_FDISK_ADVANCED */
/* _____________________________________________________________
*/
static sgiinfo *
fill_sgiinfo(void)
{
sgiinfo *info = calloc(1, sizeof(sgiinfo));
info->magic=SGI_SSWAP32(SGI_INFO_MAGIC);
info->b1=SGI_SSWAP32(-1);
info->b2=SGI_SSWAP16(-1);
info->b3=SGI_SSWAP16(1);
/* You may want to replace this string !!!!!!! */
strcpy( info->scsi_string, "IBM OEM 0662S12 3 30" );
strcpy( info->serial, "0000" );
info->check1816 = SGI_SSWAP16(18*256 +16 );
strcpy( info->installer, "Sfx version 5.3, Oct 18, 1994" );
return info;
}
#endif /* SGI_LABEL */
#ifdef CONFIG_FEATURE_SUN_LABEL
/*
* fdisksunlabel.c
*
* I think this is mostly, or entirely, due to
* Jakub Jelinek (jj@sunsite.mff.cuni.cz), July 1996
*
* Merged with fdisk for other architectures, aeb, June 1998.
*
* Sat Mar 20 EST 1999 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
* Internationalization
*/
static int sun_other_endian;
static int scsi_disk;
static int floppy;
#ifndef IDE0_MAJOR
#define IDE0_MAJOR 3
#endif
#ifndef IDE1_MAJOR
#define IDE1_MAJOR 22
#endif
static void guess_device_type(void) {
struct stat bootstat;
if (fstat (fd, &bootstat) < 0) {
scsi_disk = 0;
floppy = 0;
} else if (S_ISBLK(bootstat.st_mode)
&& (major(bootstat.st_rdev) == IDE0_MAJOR ||
major(bootstat.st_rdev) == IDE1_MAJOR)) {
scsi_disk = 0;
floppy = 0;
} else if (S_ISBLK(bootstat.st_mode)
&& major(bootstat.st_rdev) == FLOPPY_MAJOR) {
scsi_disk = 0;
floppy = 1;
} else {
scsi_disk = 1;
floppy = 0;
}
}
static const struct systypes sun_sys_types[] = {
/* 0 */ {"\x00" "Empty" },
/* 1 */ {"\x01" "Boot" },
/* 2 */ {"\x02" "SunOS root" },
/* SUNOS_SWAP */ {"\x03" "SunOS swap" },
/* 4 */ {"\x04" "SunOS usr" },
/* WHOLE_DISK */ {"\x05" "Whole disk" },
/* 6 */ {"\x06" "SunOS stand" },
/* 7 */ {"\x07" "SunOS var" },
/* 8 */ {"\x08" "SunOS home" },
/* LINUX_SWAP */ {"\x82" "Linux swap" },
/* LINUX_NATIVE */ {"\x83" "Linux native" },
/* 0x8e */ {"\x8e" "Linux LVM" },
/* New (2.2.x) raid partition with autodetect using persistent superblock */
/* 0xfd */ {"\xfd" "Linux raid autodetect" },
{ NULL }
};
static void
set_sun_partition(int i, uint start, uint stop, int sysid) {
sunlabel->infos[i].id = sysid;
sunlabel->partitions[i].start_cylinder =
SUN_SSWAP32(start / (heads * sectors));
sunlabel->partitions[i].num_sectors =
SUN_SSWAP32(stop - start);
set_changed(i);
}
static void
sun_nolabel(void) {
sun_label = 0;
sunlabel->magic = 0;
partitions = 4;
}
static int
check_sun_label(void) {
unsigned short *ush;
int csum;
if (sunlabel->magic != SUN_LABEL_MAGIC &&
sunlabel->magic != SUN_LABEL_MAGIC_SWAPPED) {
sun_label = 0;
sun_other_endian = 0;
return 0;
}
sun_other_endian = (sunlabel->magic == SUN_LABEL_MAGIC_SWAPPED);
ush = ((unsigned short *) (sunlabel + 1)) - 1;
for (csum = 0; ush >= (unsigned short *)sunlabel;) csum ^= *ush--;
if (csum) {
fprintf(stderr,_("Detected sun disklabel with wrong checksum.\n"
"Probably you'll have to set all the values,\n"
"e.g. heads, sectors, cylinders and partitions\n"
"or force a fresh label (s command in main menu)\n"));
} else {
heads = SUN_SSWAP16(sunlabel->ntrks);
cylinders = SUN_SSWAP16(sunlabel->ncyl);
sectors = SUN_SSWAP16(sunlabel->nsect);
}
update_units();
sun_label = 1;
partitions = 8;
return 1;
}
static const struct sun_predefined_drives {
const char *vendor;
const char *model;
unsigned short sparecyl;
unsigned short ncyl;
unsigned short nacyl;
unsigned short pcylcount;
unsigned short ntrks;
unsigned short nsect;
unsigned short rspeed;
} sun_drives[] = {
{"Quantum","ProDrive 80S",1,832,2,834,6,34,3662},
{"Quantum","ProDrive 105S",1,974,2,1019,6,35,3662},
{"CDC","Wren IV 94171-344",3,1545,2,1549,9,46,3600},
{"IBM","DPES-31080",0,4901,2,4903,4,108,5400},
{"IBM","DORS-32160",0,1015,2,1017,67,62,5400},
{"IBM","DNES-318350",0,11199,2,11474,10,320,7200},
{"SEAGATE","ST34371",0,3880,2,3882,16,135,7228},
{"","SUN0104",1,974,2,1019,6,35,3662},
{"","SUN0207",4,1254,2,1272,9,36,3600},
{"","SUN0327",3,1545,2,1549,9,46,3600},
{"","SUN0340",0,1538,2,1544,6,72,4200},
{"","SUN0424",2,1151,2,2500,9,80,4400},
{"","SUN0535",0,1866,2,2500,7,80,5400},
{"","SUN0669",5,1614,2,1632,15,54,3600},
{"","SUN1.0G",5,1703,2,1931,15,80,3597},
{"","SUN1.05",0,2036,2,2038,14,72,5400},
{"","SUN1.3G",6,1965,2,3500,17,80,5400},
{"","SUN2.1G",0,2733,2,3500,19,80,5400},
{"IOMEGA","Jaz",0,1019,2,1021,64,32,5394},
};
static const struct sun_predefined_drives *
sun_autoconfigure_scsi(void) {
const struct sun_predefined_drives *p = NULL;
#ifdef SCSI_IOCTL_GET_IDLUN
unsigned int id[2];
char buffer[2048];
char buffer2[2048];
FILE *pfd;
char *vendor;
char *model;
char *q;
int i;
if (!ioctl(fd, SCSI_IOCTL_GET_IDLUN, &id)) {
sprintf(buffer,
"Host: scsi%d Channel: %02d Id: %02d Lun: %02d\n",
#if 0
((id[0]>>24)&0xff)-/*PROC_SCSI_SCSI+PROC_SCSI_FILE*/33,
#else
/* This is very wrong (works only if you have one HBA),
but I haven't found a way how to get hostno
from the current kernel */
0,
#endif
(id[0]>>16)&0xff,
id[0]&0xff,
(id[0]>>8)&0xff);
pfd = fopen("/proc/scsi/scsi","r");
if (pfd) {
while (fgets(buffer2,2048,pfd)) {
if (!strcmp(buffer, buffer2)) {
if (fgets(buffer2,2048,pfd)) {
q = strstr(buffer2,"Vendor: ");
if (q) {
q += 8;
vendor = q;
q = strstr(q," ");
*q++ = 0; /* truncate vendor name */
q = strstr(q,"Model: ");
if (q) {
*q = 0;
q += 7;
model = q;
q = strstr(q," Rev: ");
if (q) {
*q = 0;
for (i = 0; i < SIZE(sun_drives); i++) {
if (*sun_drives[i].vendor && strcasecmp(sun_drives[i].vendor, vendor))
continue;
if (!strstr(model, sun_drives[i].model))
continue;
printf(_("Autoconfigure found a %s%s%s\n"),sun_drives[i].vendor,(*sun_drives[i].vendor) ? " " : "",sun_drives[i].model);
p = sun_drives + i;
break;
}
}
}
}
}
break;
}
}
fclose(pfd);
}
}
#endif
return p;
}
static void create_sunlabel(void)
{
struct hd_geometry geometry;
unsigned int ndiv;
int i;
unsigned char c;
const struct sun_predefined_drives *p = NULL;
fprintf(stderr,
_("Building a new sun disklabel. Changes will remain in memory only,\n"
"until you decide to write them. After that, of course, the previous\n"
"content won't be recoverable.\n\n"));
#if BYTE_ORDER == LITTLE_ENDIAN
sun_other_endian = 1;
#else
sun_other_endian = 0;
#endif
memset(MBRbuffer, 0, sizeof(MBRbuffer));
sunlabel->magic = SUN_SSWAP16(SUN_LABEL_MAGIC);
if (!floppy) {
puts(_("Drive type\n"
" ? auto configure\n"
" 0 custom (with hardware detected defaults)"));
for (i = 0; i < SIZE(sun_drives); i++) {
printf(" %c %s%s%s\n",
i + 'a', sun_drives[i].vendor,
(*sun_drives[i].vendor) ? " " : "",
sun_drives[i].model);
}
for (;;) {
c = read_char(_("Select type (? for auto, 0 for custom): "));
if (c >= 'a' && c < 'a' + SIZE(sun_drives)) {
p = sun_drives + c - 'a';
break;
} else if (c >= 'A' && c < 'A' + SIZE(sun_drives)) {
p = sun_drives + c - 'A';
break;
} else if (c == '0') {
break;
} else if (c == '?' && scsi_disk) {
p = sun_autoconfigure_scsi();
if (!p)
printf(_("Autoconfigure failed.\n"));
else
break;
}
}
}
if (!p || floppy) {
if (!ioctl(fd, HDIO_GETGEO, &geometry)) {
heads = geometry.heads;
sectors = geometry.sectors;
cylinders = geometry.cylinders;
} else {
heads = 0;
sectors = 0;
cylinders = 0;
}
if (floppy) {
sunlabel->nacyl = 0;
sunlabel->pcylcount = SUN_SSWAP16(cylinders);
sunlabel->rspeed = SUN_SSWAP16(300);
sunlabel->ilfact = SUN_SSWAP16(1);
sunlabel->sparecyl = 0;
} else {
heads = read_int(1,heads,1024,0,_("Heads"));
sectors = read_int(1,sectors,1024,0,_("Sectors/track"));
if (cylinders)
cylinders = read_int(1,cylinders-2,65535,0,_("Cylinders"));
else
cylinders = read_int(1,0,65535,0,_("Cylinders"));
sunlabel->nacyl =
SUN_SSWAP16(read_int(0,2,65535,0,
_("Alternate cylinders")));
sunlabel->pcylcount =
SUN_SSWAP16(read_int(0,cylinders+SUN_SSWAP16(sunlabel->nacyl),
65535,0,_("Physical cylinders")));
sunlabel->rspeed =
SUN_SSWAP16(read_int(1,5400,100000,0,
_("Rotation speed (rpm)")));
sunlabel->ilfact =
SUN_SSWAP16(read_int(1,1,32,0,_("Interleave factor")));
sunlabel->sparecyl =
SUN_SSWAP16(read_int(0,0,sectors,0,
_("Extra sectors per cylinder")));
}
} else {
sunlabel->sparecyl = SUN_SSWAP16(p->sparecyl);
sunlabel->ncyl = SUN_SSWAP16(p->ncyl);
sunlabel->nacyl = SUN_SSWAP16(p->nacyl);
sunlabel->pcylcount = SUN_SSWAP16(p->pcylcount);
sunlabel->ntrks = SUN_SSWAP16(p->ntrks);
sunlabel->nsect = SUN_SSWAP16(p->nsect);
sunlabel->rspeed = SUN_SSWAP16(p->rspeed);
sunlabel->ilfact = SUN_SSWAP16(1);
cylinders = p->ncyl;
heads = p->ntrks;
sectors = p->nsect;
puts(_("You may change all the disk params from the x menu"));
}
snprintf(sunlabel->info, sizeof(sunlabel->info),
"%s%s%s cyl %d alt %d hd %d sec %d",
p ? p->vendor : "", (p && *p->vendor) ? " " : "",
p ? p->model
: (floppy ? _("3,5\" floppy") : _("Linux custom")),
cylinders, SUN_SSWAP16(sunlabel->nacyl), heads, sectors);
sunlabel->ntrks = SUN_SSWAP16(heads);
sunlabel->nsect = SUN_SSWAP16(sectors);
sunlabel->ncyl = SUN_SSWAP16(cylinders);
if (floppy)
set_sun_partition(0, 0, cylinders * heads * sectors, LINUX_NATIVE);
else {
if (cylinders * heads * sectors >= 150 * 2048) {
ndiv = cylinders - (50 * 2048 / (heads * sectors)); /* 50M swap */
} else
ndiv = cylinders * 2 / 3;
set_sun_partition(0, 0, ndiv * heads * sectors, LINUX_NATIVE);
set_sun_partition(1, ndiv * heads * sectors, cylinders * heads * sectors, LINUX_SWAP);
sunlabel->infos[1].flags |= 0x01; /* Not mountable */
}
set_sun_partition(2, 0, cylinders * heads * sectors, WHOLE_DISK);
{
unsigned short *ush = (unsigned short *)sunlabel;
unsigned short csum = 0;
while(ush < (unsigned short *)(&sunlabel->csum))
csum ^= *ush++;
sunlabel->csum = csum;
}
set_all_unchanged();
set_changed(0);
get_boot(create_empty_sun);
}
static void
toggle_sunflags(int i, unsigned char mask) {
if (sunlabel->infos[i].flags & mask)
sunlabel->infos[i].flags &= ~mask;
else sunlabel->infos[i].flags |= mask;
set_changed(i);
}
static void
fetch_sun(uint *starts, uint *lens, uint *start, uint *stop) {
int i, continuous = 1;
*start = 0; *stop = cylinders * heads * sectors;
for (i = 0; i < partitions; i++) {
if (sunlabel->partitions[i].num_sectors
&& sunlabel->infos[i].id
&& sunlabel->infos[i].id != WHOLE_DISK) {
starts[i] = SUN_SSWAP32(sunlabel->partitions[i].start_cylinder) * heads * sectors;
lens[i] = SUN_SSWAP32(sunlabel->partitions[i].num_sectors);
if (continuous) {
if (starts[i] == *start)
*start += lens[i];
else if (starts[i] + lens[i] >= *stop)
*stop = starts[i];
else
continuous = 0;
/* There will be probably more gaps
than one, so lets check afterwards */
}
} else {
starts[i] = 0;
lens[i] = 0;
}
}
}
static uint *verify_sun_starts;
static int
verify_sun_cmp(int *a, int *b) {
if (*a == -1) return 1;
if (*b == -1) return -1;
if (verify_sun_starts[*a] > verify_sun_starts[*b]) return 1;
return -1;
}
static void
verify_sun(void) {
uint starts[8], lens[8], start, stop;
int i,j,k,starto,endo;
int array[8];
verify_sun_starts = starts;
fetch_sun(starts,lens,&start,&stop);
for (k = 0; k < 7; k++) {
for (i = 0; i < 8; i++) {
if (k && (lens[i] % (heads * sectors))) {
printf(_("Partition %d doesn't end on cylinder boundary\n"), i+1);
}
if (lens[i]) {
for (j = 0; j < i; j++)
if (lens[j]) {
if (starts[j] == starts[i]+lens[i]) {
starts[j] = starts[i]; lens[j] += lens[i];
lens[i] = 0;
} else if (starts[i] == starts[j]+lens[j]){
lens[j] += lens[i];
lens[i] = 0;
} else if (!k) {
if (starts[i] < starts[j]+lens[j] &&
starts[j] < starts[i]+lens[i]) {
starto = starts[i];
if (starts[j] > starto)
starto = starts[j];
endo = starts[i]+lens[i];
if (starts[j]+lens[j] < endo)
endo = starts[j]+lens[j];
printf(_("Partition %d overlaps with others in "
"sectors %d-%d\n"), i+1, starto, endo);
}
}
}
}
}
}
for (i = 0; i < 8; i++) {
if (lens[i])
array[i] = i;
else
array[i] = -1;
}
qsort(array,SIZE(array),sizeof(array[0]),
(int (*)(const void *,const void *)) verify_sun_cmp);
if (array[0] == -1) {
printf(_("No partitions defined\n"));
return;
}
stop = cylinders * heads * sectors;
if (starts[array[0]])
printf(_("Unused gap - sectors 0-%d\n"),starts[array[0]]);
for