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5953 lines
157 KiB
C
5953 lines
157 KiB
C
/* fdisk.c -- Partition table manipulator for Linux.
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*
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* Copyright (C) 1992 A. V. Le Blanc (LeBlanc@mcc.ac.uk)
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*
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* This program is free software. You can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation: either version 1 or
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* (at your option) any later version.
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*
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* Vladimir Oleynik <dzo@simtreas.ru> 2001,2002 Busybox port
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*/
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#define UTIL_LINUX_VERSION "2.12"
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#define PROC_PARTITIONS "/proc/partitions"
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#include <sys/types.h>
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#include <sys/stat.h> /* stat */
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#include <ctype.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <setjmp.h>
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#include <assert.h> /* assert */
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#include <getopt.h>
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#include <endian.h>
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#include <sys/ioctl.h>
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#include <sys/param.h>
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#include <sys/sysmacros.h> /* major */
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#include <stdint.h> /* for uint32_t, uint16_t, uint8_t, int16_t, etc */
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/* Copied from linux/major.h */
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#define FLOPPY_MAJOR 2
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#include <sys/utsname.h>
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#include "busybox.h"
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#define MAKE_VERSION(p,q,r) (65536*(p) + 256*(q) + (r))
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#define DKTYPENAMES
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#define _(Text) Text
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#define BLKRRPART _IO(0x12,95) /* re-read partition table */
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#define BLKGETSIZE _IO(0x12,96) /* return device size */
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#define BLKFLSBUF _IO(0x12,97) /* flush buffer cache */
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#define BLKSSZGET _IO(0x12,104) /* get block device sector size */
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/* Avoid conflicts with the 2.6 kernel headers, which define
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* _IOR rather differently */
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#undef _IOR
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#define _IOR(type,nr,size) _IOC(_IOC_READ,(type),(nr),sizeof(size))
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#define BLKGETSIZE64 _IOR(0x12,114,uint64_t)
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/*
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fdisk.h
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*/
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#define DEFAULT_SECTOR_SIZE 512
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#define MAX_SECTOR_SIZE 2048
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#define SECTOR_SIZE 512 /* still used in BSD code */
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#define MAXIMUM_PARTS 60
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#define ACTIVE_FLAG 0x80
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#define EXTENDED 0x05
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#define WIN98_EXTENDED 0x0f
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#define LINUX_PARTITION 0x81
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#define LINUX_SWAP 0x82
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#define LINUX_NATIVE 0x83
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#define LINUX_EXTENDED 0x85
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#define LINUX_LVM 0x8e
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#define LINUX_RAID 0xfd
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#define SUNOS_SWAP 3
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#define WHOLE_DISK 5
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#define IS_EXTENDED(i) \
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((i) == EXTENDED || (i) == WIN98_EXTENDED || (i) == LINUX_EXTENDED)
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#define SIZE(a) (sizeof(a)/sizeof((a)[0]))
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#define cround(n) (display_in_cyl_units ? ((n)/units_per_sector)+1 : (n))
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#define scround(x) (((x)+units_per_sector-1)/units_per_sector)
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#ifdef CONFIG_FEATURE_SUN_LABEL
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#define SCSI_IOCTL_GET_IDLUN 0x5382
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#endif
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#if defined(CONFIG_LFS) || defined(FDISK_SUPPORT_LARGE_DISKS) || defined(__alpha__) || defined(__ia64__) || defined(__s390x__)
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typedef long long fdisk_loff_t;
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#else
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typedef long fdisk_loff_t;
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#endif
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/* including <linux/hdreg.h> also fails */
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struct hd_geometry {
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unsigned char heads;
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unsigned char sectors;
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unsigned short cylinders;
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unsigned long start;
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};
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#define HDIO_GETGEO 0x0301 /* get device geometry */
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struct systypes {
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const unsigned char *name;
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};
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static uint sector_size = DEFAULT_SECTOR_SIZE,
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user_set_sector_size,
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sector_offset = 1;
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/*
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* Raw disk label. For DOS-type partition tables the MBR,
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* with descriptions of the primary partitions.
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*/
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static char MBRbuffer[MAX_SECTOR_SIZE];
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#ifdef CONFIG_FEATURE_SUN_LABEL
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static int sun_label; /* looking at sun disklabel */
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#else
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#define sun_label 0
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#endif
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#ifdef CONFIG_FEATURE_SGI_LABEL
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static int sgi_label; /* looking at sgi disklabel */
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#else
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#define sgi_label 0
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#endif
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#ifdef CONFIG_FEATURE_AIX_LABEL
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static int aix_label; /* looking at aix disklabel */
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#else
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#define aix_label 0
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#endif
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#ifdef CONFIG_FEATURE_OSF_LABEL
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static int osf_label; /* looking at OSF/1 disklabel */
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static int possibly_osf_label;
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#else
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#define osf_label 0
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#endif
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#define dos_label (!sun_label && !sgi_label && !aix_label && !osf_label)
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static uint heads, sectors, cylinders;
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static void update_units(void);
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/*
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* return partition name - uses static storage unless buf is supplied
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*/
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static const char *
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partname(const char *dev, int pno, int lth) {
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static char buffer[80];
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const char *p;
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int w, wp;
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int bufsiz;
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char *bufp;
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bufp = buffer;
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bufsiz = sizeof(buffer);
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w = strlen(dev);
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p = "";
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if (isdigit(dev[w-1]))
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p = "p";
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/* devfs kludge - note: fdisk partition names are not supposed
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to equal kernel names, so there is no reason to do this */
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if (strcmp (dev + w - 4, "disc") == 0) {
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w -= 4;
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p = "part";
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}
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wp = strlen(p);
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if (lth) {
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snprintf(bufp, bufsiz, "%*.*s%s%-2u",
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lth-wp-2, w, dev, p, pno);
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} else {
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snprintf(bufp, bufsiz, "%.*s%s%-2u", w, dev, p, pno);
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}
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return bufp;
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}
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struct partition {
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unsigned char boot_ind; /* 0x80 - active */
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unsigned char head; /* starting head */
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unsigned char sector; /* starting sector */
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unsigned char cyl; /* starting cylinder */
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unsigned char sys_ind; /* What partition type */
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unsigned char end_head; /* end head */
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unsigned char end_sector; /* end sector */
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unsigned char end_cyl; /* end cylinder */
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unsigned char start4[4]; /* starting sector counting from 0 */
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unsigned char size4[4]; /* nr of sectors in partition */
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} __attribute__((__packed__));
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enum failure {
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ioctl_error, unable_to_open, unable_to_read, unable_to_seek,
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unable_to_write
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};
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enum action {fdisk, require, try_only, create_empty_dos, create_empty_sun};
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static const char *disk_device;
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static int fd; /* the disk */
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static int partitions = 4; /* maximum partition + 1 */
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static uint display_in_cyl_units = 1;
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static uint units_per_sector = 1;
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#ifdef CONFIG_FEATURE_FDISK_WRITABLE
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static char *line_ptr;
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static void change_units(void);
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static void reread_partition_table(int leave);
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static void delete_partition(int i);
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static int get_partition(int warn, int max);
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static void list_types(const struct systypes *sys);
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static uint read_int(uint low, uint dflt, uint high, uint base, char *mesg);
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#endif
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static const char *partition_type(unsigned char type);
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static void fdisk_fatal(enum failure why) __attribute__ ((noreturn));
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static void get_geometry(void);
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static int get_boot(enum action what);
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#define PLURAL 0
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#define SINGULAR 1
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#define hex_val(c) ({ \
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char _c = (c); \
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isdigit(_c) ? _c - '0' : \
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tolower(_c) + 10 - 'a'; \
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})
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#define LINE_LENGTH 800
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#define pt_offset(b, n) ((struct partition *)((b) + 0x1be + \
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(n) * sizeof(struct partition)))
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#define sector(s) ((s) & 0x3f)
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#define cylinder(s, c) ((c) | (((s) & 0xc0) << 2))
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#define hsc2sector(h,s,c) (sector(s) - 1 + sectors * \
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((h) + heads * cylinder(s,c)))
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#define set_hsc(h,s,c,sector) { \
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s = sector % sectors + 1; \
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sector /= sectors; \
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h = sector % heads; \
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sector /= heads; \
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c = sector & 0xff; \
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s |= (sector >> 2) & 0xc0; \
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}
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static unsigned int get_start_sect(const struct partition *p);
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static unsigned int get_nr_sects(const struct partition *p);
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/*
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* per partition table entry data
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*
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* The four primary partitions have the same sectorbuffer (MBRbuffer)
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* and have NULL ext_pointer.
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* Each logical partition table entry has two pointers, one for the
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* partition and one link to the next one.
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*/
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static struct pte {
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struct partition *part_table; /* points into sectorbuffer */
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struct partition *ext_pointer; /* points into sectorbuffer */
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#ifdef CONFIG_FEATURE_FDISK_WRITABLE
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char changed; /* boolean */
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#endif
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uint offset; /* disk sector number */
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char *sectorbuffer; /* disk sector contents */
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} ptes[MAXIMUM_PARTS];
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#ifdef CONFIG_FEATURE_FDISK_WRITABLE
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static void
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set_all_unchanged(void) {
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int i;
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for (i = 0; i < MAXIMUM_PARTS; i++)
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ptes[i].changed = 0;
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}
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static void
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set_changed(int i) {
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ptes[i].changed = 1;
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}
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#endif /* CONFIG_FEATURE_FDISK_WRITABLE */
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#if defined(CONFIG_FEATURE_SGI_LABEL) || defined(CONFIG_FEATURE_OSF_LABEL)
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static struct partition *
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get_part_table(int i) {
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return ptes[i].part_table;
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}
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#endif
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static const char *
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str_units(int n) { /* n==1: use singular */
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if (n == 1)
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return display_in_cyl_units ? _("cylinder") : _("sector");
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else
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return display_in_cyl_units ? _("cylinders") : _("sectors");
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}
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static int
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valid_part_table_flag(const unsigned char *b) {
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return (b[510] == 0x55 && b[511] == 0xaa);
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}
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#ifdef CONFIG_FEATURE_FDISK_WRITABLE
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static char line_buffer[LINE_LENGTH];
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/* read line; return 0 or first char */
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static int
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read_line(void)
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{
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static int got_eof = 0;
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fflush (stdout); /* requested by niles@scyld.com */
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line_ptr = line_buffer;
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if (!fgets(line_buffer, LINE_LENGTH, stdin)) {
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if (feof(stdin))
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got_eof++; /* user typed ^D ? */
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if (got_eof >= 3) {
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fprintf(stderr, _("\ngot EOF thrice - exiting..\n"));
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exit(1);
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}
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return 0;
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}
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while (*line_ptr && !isgraph(*line_ptr))
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line_ptr++;
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return *line_ptr;
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}
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static char
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read_char(const char *mesg)
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{
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do {
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fputs(mesg, stdout);
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} while (!read_line());
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return *line_ptr;
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}
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static char
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read_chars(const char *mesg)
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{
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fputs(mesg, stdout);
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if (!read_line()) {
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*line_ptr = '\n';
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line_ptr[1] = 0;
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}
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return *line_ptr;
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}
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static int
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read_hex(const struct systypes *sys)
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{
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int hex;
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while (1)
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{
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read_char(_("Hex code (type L to list codes): "));
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if (*line_ptr == 'l' || *line_ptr == 'L')
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list_types(sys);
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else if (isxdigit (*line_ptr))
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{
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hex = 0;
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do
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hex = hex << 4 | hex_val(*line_ptr++);
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while (isxdigit(*line_ptr));
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return hex;
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}
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}
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}
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#endif /* CONFIG_FEATURE_FDISK_WRITABLE */
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#ifdef CONFIG_FEATURE_AIX_LABEL
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/*
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* Copyright (C) Andreas Neuper, Sep 1998.
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* This file may be redistributed under
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* the terms of the GNU Public License.
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*/
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typedef struct {
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unsigned int magic; /* expect AIX_LABEL_MAGIC */
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unsigned int fillbytes1[124];
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unsigned int physical_volume_id;
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unsigned int fillbytes2[124];
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} aix_partition;
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#define AIX_LABEL_MAGIC 0xc9c2d4c1
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#define AIX_LABEL_MAGIC_SWAPPED 0xc1d4c2c9
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#define AIX_INFO_MAGIC 0x00072959
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#define AIX_INFO_MAGIC_SWAPPED 0x59290700
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#define aixlabel ((aix_partition *)MBRbuffer)
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/*
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Changes:
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* 1999-03-20 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
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* Internationalization
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*
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* 2003-03-20 Phillip Kesling <pkesling@sgi.com>
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* Some fixes
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*/
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static int aix_other_endian;
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static short aix_volumes=1;
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/*
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* only dealing with free blocks here
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*/
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static void
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aix_info( void ) {
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puts(
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_("\n\tThere is a valid AIX label on this disk.\n"
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"\tUnfortunately Linux cannot handle these\n"
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"\tdisks at the moment. Nevertheless some\n"
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"\tadvice:\n"
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"\t1. fdisk will destroy its contents on write.\n"
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"\t2. Be sure that this disk is NOT a still vital\n"
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"\t part of a volume group. (Otherwise you may\n"
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"\t erase the other disks as well, if unmirrored.)\n"
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"\t3. Before deleting this physical volume be sure\n"
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"\t to remove the disk logically from your AIX\n"
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"\t machine. (Otherwise you become an AIXpert).")
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);
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}
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static void
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aix_nolabel( void )
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{
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aixlabel->magic = 0;
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aix_label = 0;
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partitions = 4;
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memset( MBRbuffer, 0, sizeof(MBRbuffer) ); /* avoid fdisk cores */
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return;
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}
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static int
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check_aix_label( void )
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{
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if (aixlabel->magic != AIX_LABEL_MAGIC &&
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aixlabel->magic != AIX_LABEL_MAGIC_SWAPPED) {
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aix_label = 0;
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aix_other_endian = 0;
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return 0;
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}
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aix_other_endian = (aixlabel->magic == AIX_LABEL_MAGIC_SWAPPED);
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update_units();
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aix_label = 1;
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partitions= 1016;
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aix_volumes = 15;
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aix_info();
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aix_nolabel(); /* %% */
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aix_label = 1; /* %% */
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return 1;
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}
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#endif /* AIX_LABEL */
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#ifdef CONFIG_FEATURE_OSF_LABEL
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/*
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* Copyright (c) 1987, 1988 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef BSD_DISKMAGIC
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#define BSD_DISKMAGIC ((uint32_t) 0x82564557)
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#endif
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#ifndef BSD_MAXPARTITIONS
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#define BSD_MAXPARTITIONS 16
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#endif
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#define BSD_LINUX_BOOTDIR "/usr/ucb/mdec"
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#if defined (i386) || defined (__sparc__) || defined (__arm__) || defined (__mips__) || defined (__s390__) || defined (__sh__) || defined(__x86_64__)
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#define BSD_LABELSECTOR 1
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#define BSD_LABELOFFSET 0
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#elif defined (__alpha__) || defined (__powerpc__) || defined (__ia64__) || defined (__hppa__)
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#define BSD_LABELSECTOR 0
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#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))
|
|
|
|
#if defined(CONFIG_LFS) || defined(FDISK_SUPPORT_LARGE_DISKS)
|
|
/*
|
|
* llseek.c -- stub calling the llseek system call
|
|
*
|
|
* Copyright (C) 1994 Remy Card. This file may be redistributed
|
|
* under the terms of the GNU Public License.
|
|
*/
|
|
|
|
|
|
#if defined(__alpha__) || defined(__ia64__) || defined(__s390x__)
|
|
|
|
#define my_llseek lseek
|
|
|
|
#else
|
|
|
|
#include <syscall.h>
|
|
|
|
static fdisk_loff_t my_llseek (unsigned int f_d, fdisk_loff_t offset,
|
|
unsigned int origin)
|
|
{
|
|
fdisk_loff_t result;
|
|
int retval;
|
|
|
|
retval = syscall(__NR__llseek, f_d, (unsigned long)(((unsigned long long) offset) >> 32),
|
|
(unsigned long)(((unsigned long long) offset) & 0xffffffff),
|
|
&result, origin);
|
|
return (retval == -1 ? (fdisk_loff_t) retval : result);
|
|
}
|
|
|
|
#endif /* __alpha__ */
|
|
|
|
|
|
static fdisk_loff_t fdisk_llseek (unsigned int f_d, fdisk_loff_t offset,
|
|
unsigned int origin)
|
|
{
|
|
fdisk_loff_t result;
|
|
static int do_compat = 0;
|
|
|
|
if (!do_compat) {
|
|
result = my_llseek (f_d, offset, origin);
|
|
if (!(result == -1 && errno == ENOSYS))
|
|
return result;
|
|
|
|
/*
|
|
* Just in case this code runs on top of an old kernel
|
|
* which does not support the llseek system call
|
|
*/
|
|
do_compat = 1;
|
|
/*
|
|
* Now try ordinary lseek.
|
|
*/
|
|
}
|
|
|
|
if ((sizeof(off_t) >= sizeof(fdisk_loff_t)) ||
|
|
(offset < ((fdisk_loff_t) 1 << ((sizeof(off_t)*8) -1))))
|
|
return lseek(f_d, (off_t) offset, origin);
|
|
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
#else
|
|
# define fdisk_llseek lseek
|
|
#endif /* FDISK_SUPPORT_LARGE_DISKS */
|
|
|
|
|
|
|
|
#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 (fdisk_llseek (fd, (fdisk_loff_t) 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 (fdisk_llseek (fd, (fdisk_loff_t) 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 (fdisk_llseek (fd, (fdisk_loff_t) 0, SEEK_SET) == -1)
|
|
fdisk_fatal (unable_to_seek);
|
|
if (BSD_BBSIZE != write (fd, disklabelbuffer, BSD_BBSIZE))
|
|
fdisk_fatal (unable_to_write);
|
|
#else
|
|
if (fdisk_llseek (fd, (fdisk_loff_t) 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 (fdisk_llseek(fd, (long long)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 (i = 0; i < 7 && array[i+1] != -1; i++) {
|
|
printf(_("Unused gap - sectors %d-%d\n"),starts[array[i]]+lens[array[i]],starts[array[i+1]]);
|
|
}
|
|
start = starts[array[i]]+lens[array[i]];
|
|
if (start < stop)
|
|
printf(_("Unused gap - sectors %d-%d\n"),start,stop);
|
|
}
|
|
|
|
static void
|
|
add_sun_partition(int n, int sys) {
|
|
uint start, stop, stop2;
|
|
uint starts[8], lens[8];
|
|
int whole_disk = 0;
|
|
|
|
char mesg[256];
|
|
int i, first, last;
|
|
|
|
if (sunlabel->partitions[n].num_sectors && sunlabel->infos[n].id) {
|
|
printf(_("Partition %d is already defined. Delete "
|
|
"it before re-adding it.\n"), n + 1);
|
|
return;
|
|
}
|
|
|
|
fetch_sun(starts,lens,&start,&stop);
|
|
if (stop <= start) {
|
|
if (n == 2)
|
|
whole_disk = 1;
|
|
else {
|
|
printf(_("Other partitions already cover the whole disk.\nDelete "
|
|
"some/shrink them before retry.\n"));
|
|
return;
|
|
}
|
|
}
|
|
snprintf(mesg, sizeof(mesg), _("First %s"), str_units(SINGULAR));
|
|
for (;;) {
|
|
if (whole_disk)
|
|
first = read_int(0, 0, 0, 0, mesg);
|
|
else
|
|
first = read_int(scround(start), scround(stop)+1,
|
|
scround(stop), 0, mesg);
|
|
if (display_in_cyl_units)
|
|
first *= units_per_sector;
|
|
else
|
|
/* Starting sector has to be properly aligned */
|
|
first = (first + heads * sectors - 1) / (heads * sectors);
|
|
if (n == 2 && first != 0)
|
|
printf ("\
|
|
It is highly recommended that the third partition covers the whole disk\n\
|
|
and is of type `Whole disk'\n");
|
|
/* ewt asks to add: "don't start a partition at cyl 0"
|
|
However, edmundo@rano.demon.co.uk writes:
|
|
"In addition to having a Sun partition table, to be able to
|
|
boot from the disc, the first partition, /dev/sdX1, must
|
|
start at cylinder 0. This means that /dev/sdX1 contains
|
|
the partition table and the boot block, as these are the
|
|
first two sectors of the disc. Therefore you must be
|
|
careful what you use /dev/sdX1 for. In particular, you must
|
|
not use a partition starting at cylinder 0 for Linux swap,
|
|
as that would overwrite the partition table and the boot
|
|
block. You may, however, use such a partition for a UFS
|
|
or EXT2 file system, as these file systems leave the first
|
|
1024 bytes undisturbed. */
|
|
/* On the other hand, one should not use partitions
|
|
starting at block 0 in an md, or the label will
|
|
be trashed. */
|
|
for (i = 0; i < partitions; i++)
|
|
if (lens[i] && starts[i] <= first
|
|
&& starts[i] + lens[i] > first)
|
|
break;
|
|
if (i < partitions && !whole_disk) {
|
|
if (n == 2 && !first) {
|
|
whole_disk = 1;
|
|
break;
|
|
}
|
|
printf(_("Sector %d is already allocated\n"), first);
|
|
} else
|
|
break;
|
|
}
|
|
stop = cylinders * heads * sectors;
|
|
stop2 = stop;
|
|
for (i = 0; i < partitions; i++) {
|
|
if (starts[i] > first && starts[i] < stop)
|
|
stop = starts[i];
|
|
}
|
|
snprintf(mesg, sizeof(mesg),
|
|
_("Last %s or +size or +sizeM or +sizeK"),
|
|
str_units(SINGULAR));
|
|
if (whole_disk)
|
|
last = read_int(scround(stop2), scround(stop2), scround(stop2),
|
|
0, mesg);
|
|
else if (n == 2 && !first)
|
|
last = read_int(scround(first), scround(stop2), scround(stop2),
|
|
scround(first), mesg);
|
|
else
|
|
last = read_int(scround(first), scround(stop), scround(stop),
|
|
scround(first), mesg);
|
|
if (display_in_cyl_units)
|
|
last *= units_per_sector;
|
|
if (n == 2 && !first) {
|
|
if (last >= stop2) {
|
|
whole_disk = 1;
|
|
last = stop2;
|
|
} else if (last > stop) {
|
|
printf (
|
|
_("You haven't covered the whole disk with the 3rd partition, but your value\n"
|
|
"%d %s covers some other partition. Your entry has been changed\n"
|
|
"to %d %s\n"),
|
|
scround(last), str_units(SINGULAR),
|
|
scround(stop), str_units(SINGULAR));
|
|
last = stop;
|
|
}
|
|
} else if (!whole_disk && last > stop)
|
|
last = stop;
|
|
|
|
if (whole_disk) sys = WHOLE_DISK;
|
|
set_sun_partition(n, first, last, sys);
|
|
}
|
|
|
|
static void
|
|
sun_delete_partition(int i) {
|
|
unsigned int nsec;
|
|
|
|
if (i == 2 && sunlabel->infos[i].id == WHOLE_DISK &&
|
|
!sunlabel->partitions[i].start_cylinder &&
|
|
(nsec = SUN_SSWAP32(sunlabel->partitions[i].num_sectors))
|
|
== heads * sectors * cylinders)
|
|
printf(_("If you want to maintain SunOS/Solaris compatibility, "
|
|
"consider leaving this\n"
|
|
"partition as Whole disk (5), starting at 0, with %u "
|
|
"sectors\n"), nsec);
|
|
sunlabel->infos[i].id = 0;
|
|
sunlabel->partitions[i].num_sectors = 0;
|
|
}
|
|
|
|
static void
|
|
sun_change_sysid(int i, int sys) {
|
|
if (sys == LINUX_SWAP && !sunlabel->partitions[i].start_cylinder) {
|
|
read_chars(
|
|
_("It is highly recommended that the partition at offset 0\n"
|
|
"is UFS, EXT2FS filesystem or SunOS swap. Putting Linux swap\n"
|
|
"there may destroy your partition table and bootblock.\n"
|
|
"Type YES if you're very sure you would like that partition\n"
|
|
"tagged with 82 (Linux swap): "));
|
|
if (strcmp (line_ptr, _("YES\n")))
|
|
return;
|
|
}
|
|
switch (sys) {
|
|
case SUNOS_SWAP:
|
|
case LINUX_SWAP:
|
|
/* swaps are not mountable by default */
|
|
sunlabel->infos[i].flags |= 0x01;
|
|
break;
|
|
default:
|
|
/* assume other types are mountable;
|
|
user can change it anyway */
|
|
sunlabel->infos[i].flags &= ~0x01;
|
|
break;
|
|
}
|
|
sunlabel->infos[i].id = sys;
|
|
}
|
|
|
|
static void
|
|
sun_list_table(int xtra) {
|
|
int i, w;
|
|
|
|
w = strlen(disk_device);
|
|
if (xtra)
|
|
printf(
|
|
_("\nDisk %s (Sun disk label): %d heads, %d sectors, %d rpm\n"
|
|
"%d cylinders, %d alternate 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, SUN_SSWAP16(sunlabel->rspeed),
|
|
cylinders, SUN_SSWAP16(sunlabel->nacyl),
|
|
SUN_SSWAP16(sunlabel->pcylcount),
|
|
SUN_SSWAP16(sunlabel->sparecyl),
|
|
SUN_SSWAP16(sunlabel->ilfact),
|
|
(char *)sunlabel,
|
|
str_units(PLURAL), units_per_sector);
|
|
else
|
|
printf(
|
|
_("\nDisk %s (Sun 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);
|
|
|
|
printf(_("%*s Flag Start End Blocks Id System\n"),
|
|
w + 1, _("Device"));
|
|
for (i = 0 ; i < partitions; i++) {
|
|
if (sunlabel->partitions[i].num_sectors) {
|
|
uint32_t start = SUN_SSWAP32(sunlabel->partitions[i].start_cylinder) * heads * sectors;
|
|
uint32_t len = SUN_SSWAP32(sunlabel->partitions[i].num_sectors);
|
|
printf(
|
|
"%s %c%c %9ld %9ld %9ld%c %2x %s\n",
|
|
/* device */ partname(disk_device, i+1, w),
|
|
/* flags */ (sunlabel->infos[i].flags & 0x01) ? 'u' : ' ',
|
|
(sunlabel->infos[i].flags & 0x10) ? 'r' : ' ',
|
|
/* start */ (long) scround(start),
|
|
/* end */ (long) scround(start+len),
|
|
/* odd flag on end */ (long) len / 2, len & 1 ? '+' : ' ',
|
|
/* type id */ sunlabel->infos[i].id,
|
|
/* type name */ partition_type(sunlabel->infos[i].id));
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_ADVANCED
|
|
|
|
static void
|
|
sun_set_alt_cyl(void) {
|
|
sunlabel->nacyl =
|
|
SUN_SSWAP16(read_int(0,SUN_SSWAP16(sunlabel->nacyl), 65535, 0,
|
|
_("Number of alternate cylinders")));
|
|
}
|
|
|
|
static void
|
|
sun_set_ncyl(int cyl) {
|
|
sunlabel->ncyl = SUN_SSWAP16(cyl);
|
|
}
|
|
|
|
static void
|
|
sun_set_xcyl(void) {
|
|
sunlabel->sparecyl =
|
|
SUN_SSWAP16(read_int(0, SUN_SSWAP16(sunlabel->sparecyl), sectors, 0,
|
|
_("Extra sectors per cylinder")));
|
|
}
|
|
|
|
static void
|
|
sun_set_ilfact(void) {
|
|
sunlabel->ilfact =
|
|
SUN_SSWAP16(read_int(1, SUN_SSWAP16(sunlabel->ilfact), 32, 0,
|
|
_("Interleave factor")));
|
|
}
|
|
|
|
static void
|
|
sun_set_rspeed(void) {
|
|
sunlabel->rspeed =
|
|
SUN_SSWAP16(read_int(1, SUN_SSWAP16(sunlabel->rspeed), 100000, 0,
|
|
_("Rotation speed (rpm)")));
|
|
}
|
|
|
|
static void
|
|
sun_set_pcylcount(void) {
|
|
sunlabel->pcylcount =
|
|
SUN_SSWAP16(read_int(0, SUN_SSWAP16(sunlabel->pcylcount), 65535, 0,
|
|
_("Number of physical cylinders")));
|
|
}
|
|
#endif /* CONFIG_FEATURE_FDISK_ADVANCED */
|
|
|
|
static void
|
|
sun_write_table(void) {
|
|
unsigned short *ush = (unsigned short *)sunlabel;
|
|
unsigned short csum = 0;
|
|
|
|
while(ush < (unsigned short *)(&sunlabel->csum))
|
|
csum ^= *ush++;
|
|
sunlabel->csum = csum;
|
|
if (lseek(fd, 0, SEEK_SET) < 0)
|
|
fdisk_fatal(unable_to_seek);
|
|
if (write(fd, sunlabel, SECTOR_SIZE) != SECTOR_SIZE)
|
|
fdisk_fatal(unable_to_write);
|
|
}
|
|
#endif /* SUN_LABEL */
|
|
|
|
/* DOS partition types */
|
|
|
|
static const struct systypes i386_sys_types[] = {
|
|
{"\x00" "Empty"},
|
|
{"\x01" "FAT12"},
|
|
{"\x04" "FAT16 <32M"},
|
|
{"\x05" "Extended"}, /* DOS 3.3+ extended partition */
|
|
{"\x06" "FAT16"}, /* DOS 16-bit >=32M */
|
|
{"\x07" "HPFS/NTFS"}, /* OS/2 IFS, eg, HPFS or NTFS or QNX */
|
|
{"\x0a" "OS/2 Boot Manager"},/* OS/2 Boot Manager */
|
|
{"\x0b" "Win95 FAT32"},
|
|
{"\x0c" "Win95 FAT32 (LBA)"},/* LBA really is `Extended Int 13h' */
|
|
{"\x0e" "Win95 FAT16 (LBA)"},
|
|
{"\x0f" "Win95 Ext'd (LBA)"},
|
|
{"\x11" "Hidden FAT12"},
|
|
{"\x12" "Compaq diagnostics"},
|
|
{"\x14" "Hidden FAT16 <32M"},
|
|
{"\x16" "Hidden FAT16"},
|
|
{"\x17" "Hidden HPFS/NTFS"},
|
|
{"\x1b" "Hidden Win95 FAT32"},
|
|
{"\x1c" "Hidden Win95 FAT32 (LBA)"},
|
|
{"\x1e" "Hidden Win95 FAT16 (LBA)"},
|
|
{"\x3c" "PartitionMagic recovery"},
|
|
{"\x41" "PPC PReP Boot"},
|
|
{"\x42" "SFS"},
|
|
{"\x63" "GNU HURD or SysV"}, /* GNU HURD or Mach or Sys V/386 (such as ISC UNIX) */
|
|
{"\x80" "Old Minix"}, /* Minix 1.4a and earlier */
|
|
{"\x81" "Minix / old Linux"},/* Minix 1.4b and later */
|
|
{"\x82" "Linux swap"}, /* also Solaris */
|
|
{"\x83" "Linux"},
|
|
{"\x84" "OS/2 hidden C: drive"},
|
|
{"\x85" "Linux extended"},
|
|
{"\x86" "NTFS volume set"},
|
|
{"\x87" "NTFS volume set"},
|
|
{"\x8e" "Linux LVM"},
|
|
{"\x9f" "BSD/OS"}, /* BSDI */
|
|
{"\xa0" "IBM Thinkpad hibernation"},
|
|
{"\xa5" "FreeBSD"}, /* various BSD flavours */
|
|
{"\xa6" "OpenBSD"},
|
|
{"\xa8" "Darwin UFS"},
|
|
{"\xa9" "NetBSD"},
|
|
{"\xab" "Darwin boot"},
|
|
{"\xb7" "BSDI fs"},
|
|
{"\xb8" "BSDI swap"},
|
|
{"\xbe" "Solaris boot"},
|
|
{"\xeb" "BeOS fs"},
|
|
{"\xee" "EFI GPT"}, /* Intel EFI GUID Partition Table */
|
|
{"\xef" "EFI (FAT-12/16/32)"},/* Intel EFI System Partition */
|
|
{"\xf0" "Linux/PA-RISC boot"},/* Linux/PA-RISC boot loader */
|
|
{"\xf2" "DOS secondary"}, /* DOS 3.3+ secondary */
|
|
{"\xfd" "Linux raid autodetect"},/* New (2.2.x) raid partition with
|
|
autodetect using persistent
|
|
superblock */
|
|
#ifdef CONFIG_WEIRD_PARTITION_TYPES
|
|
{"\x02" "XENIX root"},
|
|
{"\x03" "XENIX usr"},
|
|
{"\x08" "AIX"}, /* AIX boot (AIX -- PS/2 port) or SplitDrive */
|
|
{"\x09" "AIX bootable"}, /* AIX data or Coherent */
|
|
{"\x10" "OPUS"},
|
|
{"\x18" "AST SmartSleep"},
|
|
{"\x24" "NEC DOS"},
|
|
{"\x39" "Plan 9"},
|
|
{"\x40" "Venix 80286"},
|
|
{"\x4d" "QNX4.x"},
|
|
{"\x4e" "QNX4.x 2nd part"},
|
|
{"\x4f" "QNX4.x 3rd part"},
|
|
{"\x50" "OnTrack DM"},
|
|
{"\x51" "OnTrack DM6 Aux1"}, /* (or Novell) */
|
|
{"\x52" "CP/M"}, /* CP/M or Microport SysV/AT */
|
|
{"\x53" "OnTrack DM6 Aux3"},
|
|
{"\x54" "OnTrackDM6"},
|
|
{"\x55" "EZ-Drive"},
|
|
{"\x56" "Golden Bow"},
|
|
{"\x5c" "Priam Edisk"},
|
|
{"\x61" "SpeedStor"},
|
|
{"\x64" "Novell Netware 286"},
|
|
{"\x65" "Novell Netware 386"},
|
|
{"\x70" "DiskSecure Multi-Boot"},
|
|
{"\x75" "PC/IX"},
|
|
{"\x93" "Amoeba"},
|
|
{"\x94" "Amoeba BBT"}, /* (bad block table) */
|
|
{"\xa7" "NeXTSTEP"},
|
|
{"\xbb" "Boot Wizard hidden"},
|
|
{"\xc1" "DRDOS/sec (FAT-12)"},
|
|
{"\xc4" "DRDOS/sec (FAT-16 < 32M)"},
|
|
{"\xc6" "DRDOS/sec (FAT-16)"},
|
|
{"\xc7" "Syrinx"},
|
|
{"\xda" "Non-FS data"},
|
|
{"\xdb" "CP/M / CTOS / ..."},/* CP/M or Concurrent CP/M or
|
|
Concurrent DOS or CTOS */
|
|
{"\xde" "Dell Utility"}, /* Dell PowerEdge Server utilities */
|
|
{"\xdf" "BootIt"}, /* BootIt EMBRM */
|
|
{"\xe1" "DOS access"}, /* DOS access or SpeedStor 12-bit FAT
|
|
extended partition */
|
|
{"\xe3" "DOS R/O"}, /* DOS R/O or SpeedStor */
|
|
{"\xe4" "SpeedStor"}, /* SpeedStor 16-bit FAT extended
|
|
partition < 1024 cyl. */
|
|
{"\xf1" "SpeedStor"},
|
|
{"\xf4" "SpeedStor"}, /* SpeedStor large partition */
|
|
{"\xfe" "LANstep"}, /* SpeedStor >1024 cyl. or LANstep */
|
|
{"\xff" "BBT"}, /* Xenix Bad Block Table */
|
|
#endif
|
|
{ 0 }
|
|
};
|
|
|
|
|
|
|
|
/* A valid partition table sector ends in 0x55 0xaa */
|
|
static unsigned int
|
|
part_table_flag(const char *b) {
|
|
return ((uint) b[510]) + (((uint) b[511]) << 8);
|
|
}
|
|
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
static void
|
|
write_part_table_flag(char *b) {
|
|
b[510] = 0x55;
|
|
b[511] = 0xaa;
|
|
}
|
|
|
|
/* start_sect and nr_sects are stored little endian on all machines */
|
|
/* moreover, they are not aligned correctly */
|
|
static void
|
|
store4_little_endian(unsigned char *cp, unsigned int val) {
|
|
cp[0] = (val & 0xff);
|
|
cp[1] = ((val >> 8) & 0xff);
|
|
cp[2] = ((val >> 16) & 0xff);
|
|
cp[3] = ((val >> 24) & 0xff);
|
|
}
|
|
#endif /* CONFIG_FEATURE_FDISK_WRITABLE */
|
|
|
|
static unsigned int
|
|
read4_little_endian(const unsigned char *cp) {
|
|
return (uint)(cp[0]) + ((uint)(cp[1]) << 8)
|
|
+ ((uint)(cp[2]) << 16) + ((uint)(cp[3]) << 24);
|
|
}
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
static void
|
|
set_start_sect(struct partition *p, unsigned int start_sect) {
|
|
store4_little_endian(p->start4, start_sect);
|
|
}
|
|
#endif
|
|
|
|
static unsigned int
|
|
get_start_sect(const struct partition *p) {
|
|
return read4_little_endian(p->start4);
|
|
}
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
static void
|
|
set_nr_sects(struct partition *p, unsigned int nr_sects) {
|
|
store4_little_endian(p->size4, nr_sects);
|
|
}
|
|
#endif
|
|
|
|
static unsigned int
|
|
get_nr_sects(const struct partition *p) {
|
|
return read4_little_endian(p->size4);
|
|
}
|
|
|
|
/* normally O_RDWR, -l option gives O_RDONLY */
|
|
static int type_open = O_RDWR;
|
|
|
|
|
|
static int ext_index, /* the prime extended partition */
|
|
listing, /* no aborts for fdisk -l */
|
|
dos_compatible_flag = ~0;
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
static int dos_changed;
|
|
static int nowarn; /* no warnings for fdisk -l/-s */
|
|
#endif
|
|
|
|
|
|
|
|
static uint user_cylinders, user_heads, user_sectors;
|
|
static uint pt_heads, pt_sectors;
|
|
static uint kern_heads, kern_sectors;
|
|
|
|
static uint extended_offset; /* offset of link pointers */
|
|
|
|
static unsigned long long total_number_of_sectors;
|
|
|
|
|
|
static jmp_buf listingbuf;
|
|
|
|
static void fdisk_fatal(enum failure why) {
|
|
const char *message;
|
|
|
|
if (listing) {
|
|
close(fd);
|
|
longjmp(listingbuf, 1);
|
|
}
|
|
|
|
switch (why) {
|
|
case unable_to_open:
|
|
message = "Unable to open %s\n";
|
|
break;
|
|
case unable_to_read:
|
|
message = "Unable to read %s\n";
|
|
break;
|
|
case unable_to_seek:
|
|
message = "Unable to seek on %s\n";
|
|
break;
|
|
case unable_to_write:
|
|
message = "Unable to write %s\n";
|
|
break;
|
|
case ioctl_error:
|
|
message = "BLKGETSIZE ioctl failed on %s\n";
|
|
break;
|
|
default:
|
|
message = "Fatal error\n";
|
|
}
|
|
|
|
fputc('\n', stderr);
|
|
fprintf(stderr, message, disk_device);
|
|
exit(1);
|
|
}
|
|
|
|
static void
|
|
seek_sector(uint secno) {
|
|
fdisk_loff_t offset = (fdisk_loff_t) secno * sector_size;
|
|
if (fdisk_llseek(fd, offset, SEEK_SET) == (fdisk_loff_t) -1)
|
|
fdisk_fatal(unable_to_seek);
|
|
}
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
static void
|
|
write_sector(uint secno, char *buf) {
|
|
seek_sector(secno);
|
|
if (write(fd, buf, sector_size) != sector_size)
|
|
fdisk_fatal(unable_to_write);
|
|
}
|
|
#endif
|
|
|
|
/* Allocate a buffer and read a partition table sector */
|
|
static void
|
|
read_pte(struct pte *pe, uint offset) {
|
|
|
|
pe->offset = offset;
|
|
pe->sectorbuffer = (char *) xmalloc(sector_size);
|
|
seek_sector(offset);
|
|
if (read(fd, pe->sectorbuffer, sector_size) != sector_size)
|
|
fdisk_fatal(unable_to_read);
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
pe->changed = 0;
|
|
#endif
|
|
pe->part_table = pe->ext_pointer = NULL;
|
|
}
|
|
|
|
static unsigned int
|
|
get_partition_start(const struct pte *pe) {
|
|
return pe->offset + get_start_sect(pe->part_table);
|
|
}
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
/*
|
|
* Avoid warning about DOS partitions when no DOS partition was changed.
|
|
* Here a heuristic "is probably dos partition".
|
|
* We might also do the opposite and warn in all cases except
|
|
* for "is probably nondos partition".
|
|
*/
|
|
static int
|
|
is_dos_partition(int t) {
|
|
return (t == 1 || t == 4 || t == 6 ||
|
|
t == 0x0b || t == 0x0c || t == 0x0e ||
|
|
t == 0x11 || t == 0x12 || t == 0x14 || t == 0x16 ||
|
|
t == 0x1b || t == 0x1c || t == 0x1e || t == 0x24 ||
|
|
t == 0xc1 || t == 0xc4 || t == 0xc6);
|
|
}
|
|
|
|
static void
|
|
menu(void) {
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
if (sun_label) {
|
|
puts(_("Command action"));
|
|
puts(_("\ta\ttoggle a read only flag")); /* sun */
|
|
puts(_("\tb\tedit bsd disklabel"));
|
|
puts(_("\tc\ttoggle the mountable flag")); /* sun */
|
|
puts(_("\td\tdelete a partition"));
|
|
puts(_("\tl\tlist known partition types"));
|
|
puts(_("\tm\tprint this menu"));
|
|
puts(_("\tn\tadd a new partition"));
|
|
puts(_("\to\tcreate a new empty DOS partition table"));
|
|
puts(_("\tp\tprint the partition table"));
|
|
puts(_("\tq\tquit without saving changes"));
|
|
puts(_("\ts\tcreate a new empty Sun disklabel")); /* sun */
|
|
puts(_("\tt\tchange a partition's system id"));
|
|
puts(_("\tu\tchange display/entry units"));
|
|
puts(_("\tv\tverify the partition table"));
|
|
puts(_("\tw\twrite table to disk and exit"));
|
|
#ifdef CONFIG_FEATURE_FDISK_ADVANCED
|
|
puts(_("\tx\textra functionality (experts only)"));
|
|
#endif
|
|
} else
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
if (sgi_label) {
|
|
puts(_("Command action"));
|
|
puts(_("\ta\tselect bootable partition")); /* sgi flavour */
|
|
puts(_("\tb\tedit bootfile entry")); /* sgi */
|
|
puts(_("\tc\tselect sgi swap partition")); /* sgi flavour */
|
|
puts(_("\td\tdelete a partition"));
|
|
puts(_("\tl\tlist known partition types"));
|
|
puts(_("\tm\tprint this menu"));
|
|
puts(_("\tn\tadd a new partition"));
|
|
puts(_("\to\tcreate a new empty DOS partition table"));
|
|
puts(_("\tp\tprint the partition table"));
|
|
puts(_("\tq\tquit without saving changes"));
|
|
puts(_("\ts\tcreate a new empty Sun disklabel")); /* sun */
|
|
puts(_("\tt\tchange a partition's system id"));
|
|
puts(_("\tu\tchange display/entry units"));
|
|
puts(_("\tv\tverify the partition table"));
|
|
puts(_("\tw\twrite table to disk and exit"));
|
|
} else
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_AIX_LABEL
|
|
if (aix_label) {
|
|
puts(_("Command action"));
|
|
puts(_("\tm\tprint this menu"));
|
|
puts(_("\to\tcreate a new empty DOS partition table"));
|
|
puts(_("\tq\tquit without saving changes"));
|
|
puts(_("\ts\tcreate a new empty Sun disklabel")); /* sun */
|
|
} else
|
|
#endif
|
|
{
|
|
puts(_("Command action"));
|
|
puts(_("\ta\ttoggle a bootable flag"));
|
|
puts(_("\tb\tedit bsd disklabel"));
|
|
puts(_("\tc\ttoggle the dos compatibility flag"));
|
|
puts(_("\td\tdelete a partition"));
|
|
puts(_("\tl\tlist known partition types"));
|
|
puts(_("\tm\tprint this menu"));
|
|
puts(_("\tn\tadd a new partition"));
|
|
puts(_("\to\tcreate a new empty DOS partition table"));
|
|
puts(_("\tp\tprint the partition table"));
|
|
puts(_("\tq\tquit without saving changes"));
|
|
puts(_("\ts\tcreate a new empty Sun disklabel")); /* sun */
|
|
puts(_("\tt\tchange a partition's system id"));
|
|
puts(_("\tu\tchange display/entry units"));
|
|
puts(_("\tv\tverify the partition table"));
|
|
puts(_("\tw\twrite table to disk and exit"));
|
|
#ifdef CONFIG_FEATURE_FDISK_ADVANCED
|
|
puts(_("\tx\textra functionality (experts only)"));
|
|
#endif
|
|
}
|
|
}
|
|
#endif /* CONFIG_FEATURE_FDISK_WRITABLE */
|
|
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_ADVANCED
|
|
static void
|
|
xmenu(void) {
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
if (sun_label) {
|
|
puts(_("Command action"));
|
|
puts(_("\ta\tchange number of alternate cylinders")); /*sun*/
|
|
puts(_("\tc\tchange number of cylinders"));
|
|
puts(_("\td\tprint the raw data in the partition table"));
|
|
puts(_("\te\tchange number of extra sectors per cylinder"));/*sun*/
|
|
puts(_("\th\tchange number of heads"));
|
|
puts(_("\ti\tchange interleave factor")); /*sun*/
|
|
puts(_("\to\tchange rotation speed (rpm)")); /*sun*/
|
|
puts(_("\tm\tprint this menu"));
|
|
puts(_("\tp\tprint the partition table"));
|
|
puts(_("\tq\tquit without saving changes"));
|
|
puts(_("\tr\treturn to main menu"));
|
|
puts(_("\ts\tchange number of sectors/track"));
|
|
puts(_("\tv\tverify the partition table"));
|
|
puts(_("\tw\twrite table to disk and exit"));
|
|
puts(_("\ty\tchange number of physical cylinders")); /*sun*/
|
|
} else
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
if (sgi_label) {
|
|
puts(_("Command action"));
|
|
puts(_("\tb\tmove beginning of data in a partition")); /* !sun */
|
|
puts(_("\tc\tchange number of cylinders"));
|
|
puts(_("\td\tprint the raw data in the partition table"));
|
|
puts(_("\te\tlist extended partitions")); /* !sun */
|
|
puts(_("\tg\tcreate an IRIX (SGI) partition table"));/* sgi */
|
|
puts(_("\th\tchange number of heads"));
|
|
puts(_("\tm\tprint this menu"));
|
|
puts(_("\tp\tprint the partition table"));
|
|
puts(_("\tq\tquit without saving changes"));
|
|
puts(_("\tr\treturn to main menu"));
|
|
puts(_("\ts\tchange number of sectors/track"));
|
|
puts(_("\tv\tverify the partition table"));
|
|
puts(_("\tw\twrite table to disk and exit"));
|
|
} else
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_AIX_LABEL
|
|
if (aix_label) {
|
|
puts(_("Command action"));
|
|
puts(_("\tb\tmove beginning of data in a partition")); /* !sun */
|
|
puts(_("\tc\tchange number of cylinders"));
|
|
puts(_("\td\tprint the raw data in the partition table"));
|
|
puts(_("\te\tlist extended partitions")); /* !sun */
|
|
puts(_("\tg\tcreate an IRIX (SGI) partition table"));/* sgi */
|
|
puts(_("\th\tchange number of heads"));
|
|
puts(_("\tm\tprint this menu"));
|
|
puts(_("\tp\tprint the partition table"));
|
|
puts(_("\tq\tquit without saving changes"));
|
|
puts(_("\tr\treturn to main menu"));
|
|
puts(_("\ts\tchange number of sectors/track"));
|
|
puts(_("\tv\tverify the partition table"));
|
|
puts(_("\tw\twrite table to disk and exit"));
|
|
} else
|
|
#endif
|
|
{
|
|
puts(_("Command action"));
|
|
puts(_("\tb\tmove beginning of data in a partition")); /* !sun */
|
|
puts(_("\tc\tchange number of cylinders"));
|
|
puts(_("\td\tprint the raw data in the partition table"));
|
|
puts(_("\te\tlist extended partitions")); /* !sun */
|
|
puts(_("\tf\tfix partition order")); /* !sun, !aix, !sgi */
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
puts(_("\tg\tcreate an IRIX (SGI) partition table"));/* sgi */
|
|
#endif
|
|
puts(_("\th\tchange number of heads"));
|
|
puts(_("\tm\tprint this menu"));
|
|
puts(_("\tp\tprint the partition table"));
|
|
puts(_("\tq\tquit without saving changes"));
|
|
puts(_("\tr\treturn to main menu"));
|
|
puts(_("\ts\tchange number of sectors/track"));
|
|
puts(_("\tv\tverify the partition table"));
|
|
puts(_("\tw\twrite table to disk and exit"));
|
|
}
|
|
}
|
|
#endif /* ADVANCED mode */
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
static const struct systypes *
|
|
get_sys_types(void) {
|
|
return (
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
sun_label ? sun_sys_types :
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
sgi_label ? sgi_sys_types :
|
|
#endif
|
|
i386_sys_types);
|
|
}
|
|
#else
|
|
#define get_sys_types() i386_sys_types
|
|
#endif /* CONFIG_FEATURE_FDISK_WRITABLE */
|
|
|
|
static const char *partition_type(unsigned char type)
|
|
{
|
|
int i;
|
|
const struct systypes *types = get_sys_types();
|
|
|
|
for (i=0; types[i].name; i++)
|
|
if (types[i].name[0] == type)
|
|
return types[i].name + 1;
|
|
|
|
return _("Unknown");
|
|
}
|
|
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
static int
|
|
get_sysid(int i) {
|
|
return (
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
sun_label ? sunlabel->infos[i].id :
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
sgi_label ? sgi_get_sysid(i) :
|
|
#endif
|
|
ptes[i].part_table->sys_ind);
|
|
}
|
|
|
|
void list_types(const struct systypes *sys)
|
|
{
|
|
uint last[4], done = 0, next = 0, size;
|
|
int i;
|
|
|
|
for (i = 0; sys[i].name; i++);
|
|
size = i;
|
|
|
|
for (i = 3; i >= 0; i--)
|
|
last[3 - i] = done += (size + i - done) / (i + 1);
|
|
i = done = 0;
|
|
|
|
do {
|
|
printf("%c%2x %-15.15s", i ? ' ' : '\n',
|
|
sys[next].name[0], partition_type(sys[next].name[0]));
|
|
next = last[i++] + done;
|
|
if (i > 3 || next >= last[i]) {
|
|
i = 0;
|
|
next = ++done;
|
|
}
|
|
} while (done < last[0]);
|
|
putchar('\n');
|
|
}
|
|
#endif /* CONFIG_FEATURE_FDISK_WRITABLE */
|
|
|
|
static int
|
|
is_cleared_partition(const struct partition *p) {
|
|
return !(!p || p->boot_ind || p->head || p->sector || p->cyl ||
|
|
p->sys_ind || p->end_head || p->end_sector || p->end_cyl ||
|
|
get_start_sect(p) || get_nr_sects(p));
|
|
}
|
|
|
|
static void
|
|
clear_partition(struct partition *p) {
|
|
if (!p)
|
|
return;
|
|
memset(p, 0, sizeof(struct partition));
|
|
}
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
static void
|
|
set_partition(int i, int doext, uint start, uint stop, int sysid) {
|
|
struct partition *p;
|
|
uint offset;
|
|
|
|
if (doext) {
|
|
p = ptes[i].ext_pointer;
|
|
offset = extended_offset;
|
|
} else {
|
|
p = ptes[i].part_table;
|
|
offset = ptes[i].offset;
|
|
}
|
|
p->boot_ind = 0;
|
|
p->sys_ind = sysid;
|
|
set_start_sect(p, start - offset);
|
|
set_nr_sects(p, stop - start + 1);
|
|
if (dos_compatible_flag && (start/(sectors*heads) > 1023))
|
|
start = heads*sectors*1024 - 1;
|
|
set_hsc(p->head, p->sector, p->cyl, start);
|
|
if (dos_compatible_flag && (stop/(sectors*heads) > 1023))
|
|
stop = heads*sectors*1024 - 1;
|
|
set_hsc(p->end_head, p->end_sector, p->end_cyl, stop);
|
|
ptes[i].changed = 1;
|
|
}
|
|
#endif
|
|
|
|
static int
|
|
test_c(const char **m, const char *mesg) {
|
|
int val = 0;
|
|
if (!*m)
|
|
fprintf(stderr, _("You must set"));
|
|
else {
|
|
fprintf(stderr, " %s", *m);
|
|
val = 1;
|
|
}
|
|
*m = mesg;
|
|
return val;
|
|
}
|
|
|
|
static int
|
|
warn_geometry(void) {
|
|
const char *m = NULL;
|
|
int prev = 0;
|
|
|
|
if (!heads)
|
|
prev = test_c(&m, _("heads"));
|
|
if (!sectors)
|
|
prev = test_c(&m, _("sectors"));
|
|
if (!cylinders)
|
|
prev = test_c(&m, _("cylinders"));
|
|
if (!m)
|
|
return 0;
|
|
|
|
fprintf(stderr, "%s%s.\n"
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
"You can do this from the extra functions menu.\n"
|
|
#endif
|
|
, prev ? _(" and ") : " ", m);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void update_units(void)
|
|
{
|
|
int cyl_units = heads * sectors;
|
|
|
|
if (display_in_cyl_units && cyl_units)
|
|
units_per_sector = cyl_units;
|
|
else
|
|
units_per_sector = 1; /* in sectors */
|
|
}
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
static void
|
|
warn_cylinders(void) {
|
|
if (dos_label && cylinders > 1024 && !nowarn)
|
|
fprintf(stderr, _("\n"
|
|
"The number of cylinders for this disk is set to %d.\n"
|
|
"There is nothing wrong with that, but this is larger than 1024,\n"
|
|
"and could in certain setups cause problems with:\n"
|
|
"1) software that runs at boot time (e.g., old versions of LILO)\n"
|
|
"2) booting and partitioning software from other OSs\n"
|
|
" (e.g., DOS FDISK, OS/2 FDISK)\n"),
|
|
cylinders);
|
|
}
|
|
#endif
|
|
|
|
static void
|
|
read_extended(int ext) {
|
|
int i;
|
|
struct pte *pex;
|
|
struct partition *p, *q;
|
|
|
|
ext_index = ext;
|
|
pex = &ptes[ext];
|
|
pex->ext_pointer = pex->part_table;
|
|
|
|
p = pex->part_table;
|
|
if (!get_start_sect(p)) {
|
|
fprintf(stderr,
|
|
_("Bad offset in primary extended partition\n"));
|
|
return;
|
|
}
|
|
|
|
while (IS_EXTENDED (p->sys_ind)) {
|
|
struct pte *pe = &ptes[partitions];
|
|
|
|
if (partitions >= MAXIMUM_PARTS) {
|
|
/* This is not a Linux restriction, but
|
|
this program uses arrays of size MAXIMUM_PARTS.
|
|
Do not try to `improve' this test. */
|
|
struct pte *pre = &ptes[partitions-1];
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
fprintf(stderr,
|
|
_("Warning: deleting partitions after %d\n"),
|
|
partitions);
|
|
pre->changed = 1;
|
|
#endif
|
|
clear_partition(pre->ext_pointer);
|
|
return;
|
|
}
|
|
|
|
read_pte(pe, extended_offset + get_start_sect(p));
|
|
|
|
if (!extended_offset)
|
|
extended_offset = get_start_sect(p);
|
|
|
|
q = p = pt_offset(pe->sectorbuffer, 0);
|
|
for (i = 0; i < 4; i++, p++) if (get_nr_sects(p)) {
|
|
if (IS_EXTENDED (p->sys_ind)) {
|
|
if (pe->ext_pointer)
|
|
fprintf(stderr,
|
|
_("Warning: extra link "
|
|
"pointer in partition table"
|
|
" %d\n"), partitions + 1);
|
|
else
|
|
pe->ext_pointer = p;
|
|
} else if (p->sys_ind) {
|
|
if (pe->part_table)
|
|
fprintf(stderr,
|
|
_("Warning: ignoring extra "
|
|
"data in partition table"
|
|
" %d\n"), partitions + 1);
|
|
else
|
|
pe->part_table = p;
|
|
}
|
|
}
|
|
|
|
/* very strange code here... */
|
|
if (!pe->part_table) {
|
|
if (q != pe->ext_pointer)
|
|
pe->part_table = q;
|
|
else
|
|
pe->part_table = q + 1;
|
|
}
|
|
if (!pe->ext_pointer) {
|
|
if (q != pe->part_table)
|
|
pe->ext_pointer = q;
|
|
else
|
|
pe->ext_pointer = q + 1;
|
|
}
|
|
|
|
p = pe->ext_pointer;
|
|
partitions++;
|
|
}
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
/* remove empty links */
|
|
remove:
|
|
for (i = 4; i < partitions; i++) {
|
|
struct pte *pe = &ptes[i];
|
|
|
|
if (!get_nr_sects(pe->part_table) &&
|
|
(partitions > 5 || ptes[4].part_table->sys_ind)) {
|
|
printf("omitting empty partition (%d)\n", i+1);
|
|
delete_partition(i);
|
|
goto remove; /* numbering changed */
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
static void
|
|
create_doslabel(void) {
|
|
int i;
|
|
|
|
fprintf(stderr,
|
|
_("Building a new DOS 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"));
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
sun_nolabel(); /* otherwise always recognised as sun */
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
sgi_nolabel(); /* otherwise always recognised as sgi */
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_AIX_LABEL
|
|
aix_label = 0;
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_OSF_LABEL
|
|
osf_label = 0;
|
|
possibly_osf_label = 0;
|
|
#endif
|
|
partitions = 4;
|
|
|
|
for (i = 510-64; i < 510; i++)
|
|
MBRbuffer[i] = 0;
|
|
write_part_table_flag(MBRbuffer);
|
|
extended_offset = 0;
|
|
set_all_unchanged();
|
|
set_changed(0);
|
|
get_boot(create_empty_dos);
|
|
}
|
|
#endif /* CONFIG_FEATURE_FDISK_WRITABLE */
|
|
|
|
static void
|
|
get_sectorsize(void) {
|
|
if (!user_set_sector_size &&
|
|
get_kernel_revision() >= MAKE_VERSION(2,3,3)) {
|
|
int arg;
|
|
if (ioctl(fd, BLKSSZGET, &arg) == 0)
|
|
sector_size = arg;
|
|
if (sector_size != DEFAULT_SECTOR_SIZE)
|
|
printf(_("Note: sector size is %d (not %d)\n"),
|
|
sector_size, DEFAULT_SECTOR_SIZE);
|
|
}
|
|
}
|
|
|
|
static inline void
|
|
get_kernel_geometry(void) {
|
|
struct hd_geometry geometry;
|
|
|
|
if (!ioctl(fd, HDIO_GETGEO, &geometry)) {
|
|
kern_heads = geometry.heads;
|
|
kern_sectors = geometry.sectors;
|
|
/* never use geometry.cylinders - it is truncated */
|
|
}
|
|
}
|
|
|
|
static void
|
|
get_partition_table_geometry(void) {
|
|
const unsigned char *bufp = MBRbuffer;
|
|
struct partition *p;
|
|
int i, h, s, hh, ss;
|
|
int first = 1;
|
|
int bad = 0;
|
|
|
|
if (!(valid_part_table_flag(bufp)))
|
|
return;
|
|
|
|
hh = ss = 0;
|
|
for (i=0; i<4; i++) {
|
|
p = pt_offset(bufp, i);
|
|
if (p->sys_ind != 0) {
|
|
h = p->end_head + 1;
|
|
s = (p->end_sector & 077);
|
|
if (first) {
|
|
hh = h;
|
|
ss = s;
|
|
first = 0;
|
|
} else if (hh != h || ss != s)
|
|
bad = 1;
|
|
}
|
|
}
|
|
|
|
if (!first && !bad) {
|
|
pt_heads = hh;
|
|
pt_sectors = ss;
|
|
}
|
|
}
|
|
|
|
void
|
|
get_geometry(void) {
|
|
int sec_fac;
|
|
unsigned long long bytes; /* really u64 */
|
|
|
|
get_sectorsize();
|
|
sec_fac = sector_size / 512;
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
guess_device_type();
|
|
#endif
|
|
heads = cylinders = sectors = 0;
|
|
kern_heads = kern_sectors = 0;
|
|
pt_heads = pt_sectors = 0;
|
|
|
|
get_kernel_geometry();
|
|
get_partition_table_geometry();
|
|
|
|
heads = user_heads ? user_heads :
|
|
pt_heads ? pt_heads :
|
|
kern_heads ? kern_heads : 255;
|
|
sectors = user_sectors ? user_sectors :
|
|
pt_sectors ? pt_sectors :
|
|
kern_sectors ? kern_sectors : 63;
|
|
if (ioctl(fd, BLKGETSIZE64, &bytes) == 0) {
|
|
/* got bytes */
|
|
} else {
|
|
unsigned long longsectors;
|
|
|
|
if (ioctl(fd, BLKGETSIZE, &longsectors))
|
|
longsectors = 0;
|
|
bytes = ((unsigned long long) longsectors) << 9;
|
|
}
|
|
|
|
total_number_of_sectors = (bytes >> 9);
|
|
|
|
sector_offset = 1;
|
|
if (dos_compatible_flag)
|
|
sector_offset = sectors;
|
|
|
|
cylinders = total_number_of_sectors / (heads * sectors * sec_fac);
|
|
if (!cylinders)
|
|
cylinders = user_cylinders;
|
|
}
|
|
|
|
/*
|
|
* Read MBR. Returns:
|
|
* -1: no 0xaa55 flag present (possibly entire disk BSD)
|
|
* 0: found or created label
|
|
* 1: I/O error
|
|
*/
|
|
int
|
|
get_boot(enum action what) {
|
|
int i;
|
|
|
|
partitions = 4;
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
struct pte *pe = &ptes[i];
|
|
|
|
pe->part_table = pt_offset(MBRbuffer, i);
|
|
pe->ext_pointer = NULL;
|
|
pe->offset = 0;
|
|
pe->sectorbuffer = MBRbuffer;
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
pe->changed = (what == create_empty_dos);
|
|
#endif
|
|
}
|
|
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
if (what == create_empty_sun && check_sun_label())
|
|
return 0;
|
|
#endif
|
|
|
|
memset(MBRbuffer, 0, 512);
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
if (what == create_empty_dos)
|
|
goto got_dos_table; /* skip reading disk */
|
|
|
|
if ((fd = open(disk_device, type_open)) < 0) {
|
|
if ((fd = open(disk_device, O_RDONLY)) < 0) {
|
|
if (what == try_only)
|
|
return 1;
|
|
fdisk_fatal(unable_to_open);
|
|
} else
|
|
printf(_("You will not be able to write "
|
|
"the partition table.\n"));
|
|
}
|
|
|
|
if (512 != read(fd, MBRbuffer, 512)) {
|
|
if (what == try_only)
|
|
return 1;
|
|
fdisk_fatal(unable_to_read);
|
|
}
|
|
#else
|
|
if ((fd = open(disk_device, O_RDONLY)) < 0)
|
|
return 1;
|
|
if (512 != read(fd, MBRbuffer, 512))
|
|
return 1;
|
|
#endif
|
|
|
|
get_geometry();
|
|
|
|
update_units();
|
|
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
if (check_sun_label())
|
|
return 0;
|
|
#endif
|
|
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
if (check_sgi_label())
|
|
return 0;
|
|
#endif
|
|
|
|
#ifdef CONFIG_FEATURE_AIX_LABEL
|
|
if (check_aix_label())
|
|
return 0;
|
|
#endif
|
|
|
|
#ifdef CONFIG_FEATURE_OSF_LABEL
|
|
if (check_osf_label()) {
|
|
possibly_osf_label = 1;
|
|
if (!valid_part_table_flag(MBRbuffer)) {
|
|
osf_label = 1;
|
|
return 0;
|
|
}
|
|
printf(_("This disk has both DOS and BSD magic.\n"
|
|
"Give the 'b' command to go to BSD mode.\n"));
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
got_dos_table:
|
|
#endif
|
|
|
|
if (!valid_part_table_flag(MBRbuffer)) {
|
|
#ifndef CONFIG_FEATURE_FDISK_WRITABLE
|
|
return -1;
|
|
#else
|
|
switch(what) {
|
|
case fdisk:
|
|
fprintf(stderr,
|
|
_("Device contains neither a valid DOS "
|
|
"partition table, nor Sun, SGI or OSF "
|
|
"disklabel\n"));
|
|
#ifdef __sparc__
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
create_sunlabel();
|
|
#endif
|
|
#else
|
|
create_doslabel();
|
|
#endif
|
|
return 0;
|
|
case try_only:
|
|
return -1;
|
|
case create_empty_dos:
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
case create_empty_sun:
|
|
#endif
|
|
break;
|
|
default:
|
|
fprintf(stderr, _("Internal error\n"));
|
|
exit(1);
|
|
}
|
|
#endif /* CONFIG_FEATURE_FDISK_WRITABLE */
|
|
}
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
warn_cylinders();
|
|
#endif
|
|
warn_geometry();
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
struct pte *pe = &ptes[i];
|
|
|
|
if (IS_EXTENDED (pe->part_table->sys_ind)) {
|
|
if (partitions != 4)
|
|
fprintf(stderr, _("Ignoring extra extended "
|
|
"partition %d\n"), i + 1);
|
|
else
|
|
read_extended(i);
|
|
}
|
|
}
|
|
|
|
for (i = 3; i < partitions; i++) {
|
|
struct pte *pe = &ptes[i];
|
|
|
|
if (!valid_part_table_flag(pe->sectorbuffer)) {
|
|
fprintf(stderr,
|
|
_("Warning: invalid flag 0x%04x of partition "
|
|
"table %d will be corrected by w(rite)\n"),
|
|
part_table_flag(pe->sectorbuffer), i + 1);
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
pe->changed = 1;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
/*
|
|
* Print the message MESG, then read an integer between LOW and HIGH (inclusive).
|
|
* If the user hits Enter, DFLT is returned.
|
|
* Answers like +10 are interpreted as offsets from BASE.
|
|
*
|
|
* There is no default if DFLT is not between LOW and HIGH.
|
|
*/
|
|
static uint
|
|
read_int(uint low, uint dflt, uint high, uint base, char *mesg)
|
|
{
|
|
uint i;
|
|
int default_ok = 1;
|
|
static char *ms = NULL;
|
|
static int mslen = 0;
|
|
|
|
if (!ms || strlen(mesg)+100 > mslen) {
|
|
mslen = strlen(mesg)+200;
|
|
ms = xrealloc(ms,mslen);
|
|
}
|
|
|
|
if (dflt < low || dflt > high)
|
|
default_ok = 0;
|
|
|
|
if (default_ok)
|
|
snprintf(ms, mslen, _("%s (%u-%u, default %u): "),
|
|
mesg, low, high, dflt);
|
|
else
|
|
snprintf(ms, mslen, "%s (%u-%u): ",
|
|
mesg, low, high);
|
|
|
|
while (1) {
|
|
int use_default = default_ok;
|
|
|
|
/* ask question and read answer */
|
|
while (read_chars(ms) != '\n' && !isdigit(*line_ptr)
|
|
&& *line_ptr != '-' && *line_ptr != '+')
|
|
continue;
|
|
|
|
if (*line_ptr == '+' || *line_ptr == '-') {
|
|
int minus = (*line_ptr == '-');
|
|
int absolute = 0;
|
|
|
|
i = atoi(line_ptr+1);
|
|
|
|
while (isdigit(*++line_ptr))
|
|
use_default = 0;
|
|
|
|
switch (*line_ptr) {
|
|
case 'c':
|
|
case 'C':
|
|
if (!display_in_cyl_units)
|
|
i *= heads * sectors;
|
|
break;
|
|
case 'K':
|
|
absolute = 1024;
|
|
break;
|
|
case 'k':
|
|
absolute = 1000;
|
|
break;
|
|
case 'm':
|
|
case 'M':
|
|
absolute = 1000000;
|
|
break;
|
|
case 'g':
|
|
case 'G':
|
|
absolute = 1000000000;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (absolute) {
|
|
unsigned long long bytes;
|
|
unsigned long unit;
|
|
|
|
bytes = (unsigned long long) i * absolute;
|
|
unit = sector_size * units_per_sector;
|
|
bytes += unit/2; /* round */
|
|
bytes /= unit;
|
|
i = bytes;
|
|
}
|
|
if (minus)
|
|
i = -i;
|
|
i += base;
|
|
} else {
|
|
i = atoi(line_ptr);
|
|
while (isdigit(*line_ptr)) {
|
|
line_ptr++;
|
|
use_default = 0;
|
|
}
|
|
}
|
|
if (use_default)
|
|
printf(_("Using default value %u\n"), i = dflt);
|
|
if (i >= low && i <= high)
|
|
break;
|
|
else
|
|
printf(_("Value out of range.\n"));
|
|
}
|
|
return i;
|
|
}
|
|
|
|
int
|
|
get_partition(int warn, int max) {
|
|
struct pte *pe;
|
|
int i;
|
|
|
|
i = read_int(1, 0, max, 0, _("Partition number")) - 1;
|
|
pe = &ptes[i];
|
|
|
|
if (warn) {
|
|
if ((!sun_label && !sgi_label && !pe->part_table->sys_ind)
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
|| (sun_label &&
|
|
(!sunlabel->partitions[i].num_sectors ||
|
|
!sunlabel->infos[i].id))
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
|| (sgi_label && (!sgi_get_num_sectors(i)))
|
|
#endif
|
|
)
|
|
fprintf(stderr,
|
|
_("Warning: partition %d has empty type\n"),
|
|
i+1);
|
|
}
|
|
return i;
|
|
}
|
|
|
|
static int
|
|
get_existing_partition(int warn, int max) {
|
|
int pno = -1;
|
|
int i;
|
|
|
|
for (i = 0; i < max; i++) {
|
|
struct pte *pe = &ptes[i];
|
|
struct partition *p = pe->part_table;
|
|
|
|
if (p && !is_cleared_partition(p)) {
|
|
if (pno >= 0)
|
|
goto not_unique;
|
|
pno = i;
|
|
}
|
|
}
|
|
if (pno >= 0) {
|
|
printf(_("Selected partition %d\n"), pno+1);
|
|
return pno;
|
|
}
|
|
printf(_("No partition is defined yet!\n"));
|
|
return -1;
|
|
|
|
not_unique:
|
|
return get_partition(warn, max);
|
|
}
|
|
|
|
static int
|
|
get_nonexisting_partition(int warn, int max) {
|
|
int pno = -1;
|
|
int i;
|
|
|
|
for (i = 0; i < max; i++) {
|
|
struct pte *pe = &ptes[i];
|
|
struct partition *p = pe->part_table;
|
|
|
|
if (p && is_cleared_partition(p)) {
|
|
if (pno >= 0)
|
|
goto not_unique;
|
|
pno = i;
|
|
}
|
|
}
|
|
if (pno >= 0) {
|
|
printf(_("Selected partition %d\n"), pno+1);
|
|
return pno;
|
|
}
|
|
printf(_("All primary partitions have been defined already!\n"));
|
|
return -1;
|
|
|
|
not_unique:
|
|
return get_partition(warn, max);
|
|
}
|
|
|
|
|
|
void change_units(void)
|
|
{
|
|
display_in_cyl_units = !display_in_cyl_units;
|
|
update_units();
|
|
printf(_("Changing display/entry units to %s\n"),
|
|
str_units(PLURAL));
|
|
}
|
|
|
|
static void
|
|
toggle_active(int i) {
|
|
struct pte *pe = &ptes[i];
|
|
struct partition *p = pe->part_table;
|
|
|
|
if (IS_EXTENDED (p->sys_ind) && !p->boot_ind)
|
|
fprintf(stderr,
|
|
_("WARNING: Partition %d is an extended partition\n"),
|
|
i + 1);
|
|
p->boot_ind = (p->boot_ind ? 0 : ACTIVE_FLAG);
|
|
pe->changed = 1;
|
|
}
|
|
|
|
static void
|
|
toggle_dos_compatibility_flag(void) {
|
|
dos_compatible_flag = ~dos_compatible_flag;
|
|
if (dos_compatible_flag) {
|
|
sector_offset = sectors;
|
|
printf(_("DOS Compatibility flag is set\n"));
|
|
}
|
|
else {
|
|
sector_offset = 1;
|
|
printf(_("DOS Compatibility flag is not set\n"));
|
|
}
|
|
}
|
|
|
|
static void
|
|
delete_partition(int i) {
|
|
struct pte *pe = &ptes[i];
|
|
struct partition *p = pe->part_table;
|
|
struct partition *q = pe->ext_pointer;
|
|
|
|
/* Note that for the fifth partition (i == 4) we don't actually
|
|
* decrement partitions.
|
|
*/
|
|
|
|
if (warn_geometry())
|
|
return; /* C/H/S not set */
|
|
pe->changed = 1;
|
|
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
if (sun_label) {
|
|
sun_delete_partition(i);
|
|
return;
|
|
}
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
if (sgi_label) {
|
|
sgi_delete_partition(i);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
if (i < 4) {
|
|
if (IS_EXTENDED (p->sys_ind) && i == ext_index) {
|
|
partitions = 4;
|
|
ptes[ext_index].ext_pointer = NULL;
|
|
extended_offset = 0;
|
|
}
|
|
clear_partition(p);
|
|
return;
|
|
}
|
|
|
|
if (!q->sys_ind && i > 4) {
|
|
/* the last one in the chain - just delete */
|
|
--partitions;
|
|
--i;
|
|
clear_partition(ptes[i].ext_pointer);
|
|
ptes[i].changed = 1;
|
|
} else {
|
|
/* not the last one - further ones will be moved down */
|
|
if (i > 4) {
|
|
/* delete this link in the chain */
|
|
p = ptes[i-1].ext_pointer;
|
|
*p = *q;
|
|
set_start_sect(p, get_start_sect(q));
|
|
set_nr_sects(p, get_nr_sects(q));
|
|
ptes[i-1].changed = 1;
|
|
} else if (partitions > 5) { /* 5 will be moved to 4 */
|
|
/* the first logical in a longer chain */
|
|
pe = &ptes[5];
|
|
|
|
if (pe->part_table) /* prevent SEGFAULT */
|
|
set_start_sect(pe->part_table,
|
|
get_partition_start(pe) -
|
|
extended_offset);
|
|
pe->offset = extended_offset;
|
|
pe->changed = 1;
|
|
}
|
|
|
|
if (partitions > 5) {
|
|
partitions--;
|
|
while (i < partitions) {
|
|
ptes[i] = ptes[i+1];
|
|
i++;
|
|
}
|
|
} else
|
|
/* the only logical: clear only */
|
|
clear_partition(ptes[i].part_table);
|
|
}
|
|
}
|
|
|
|
static void
|
|
change_sysid(void) {
|
|
int i, sys, origsys;
|
|
struct partition *p;
|
|
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
/* If sgi_label then don't use get_existing_partition,
|
|
let the user select a partition, since get_existing_partition()
|
|
only works for Linux like partition tables. */
|
|
if (!sgi_label) {
|
|
i = get_existing_partition(0, partitions);
|
|
} else {
|
|
i = get_partition(0, partitions);
|
|
}
|
|
#else
|
|
i = get_existing_partition(0, partitions);
|
|
#endif
|
|
if (i == -1)
|
|
return;
|
|
p = ptes[i].part_table;
|
|
origsys = sys = get_sysid(i);
|
|
|
|
/* if changing types T to 0 is allowed, then
|
|
the reverse change must be allowed, too */
|
|
if (!sys && !sgi_label && !sun_label && !get_nr_sects(p))
|
|
printf(_("Partition %d does not exist yet!\n"), i + 1);
|
|
else while (1) {
|
|
sys = read_hex (get_sys_types());
|
|
|
|
if (!sys && !sgi_label && !sun_label) {
|
|
printf(_("Type 0 means free space to many systems\n"
|
|
"(but not to Linux). Having partitions of\n"
|
|
"type 0 is probably unwise. You can delete\n"
|
|
"a partition using the `d' command.\n"));
|
|
/* break; */
|
|
}
|
|
|
|
if (!sun_label && !sgi_label) {
|
|
if (IS_EXTENDED (sys) != IS_EXTENDED (p->sys_ind)) {
|
|
printf(_("You cannot change a partition into"
|
|
" an extended one or vice versa\n"
|
|
"Delete it first.\n"));
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (sys < 256) {
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
if (sun_label && i == 2 && sys != WHOLE_DISK)
|
|
printf(_("Consider leaving partition 3 "
|
|
"as Whole disk (5),\n"
|
|
"as SunOS/Solaris expects it and "
|
|
"even Linux likes it.\n\n"));
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
if (sgi_label && ((i == 10 && sys != ENTIRE_DISK)
|
|
|| (i == 8 && sys != 0)))
|
|
printf(_("Consider leaving partition 9 "
|
|
"as volume header (0),\nand "
|
|
"partition 11 as entire volume (6)"
|
|
"as IRIX expects it.\n\n"));
|
|
#endif
|
|
if (sys == origsys)
|
|
break;
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
if (sun_label) {
|
|
sun_change_sysid(i, sys);
|
|
} else
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
if (sgi_label) {
|
|
sgi_change_sysid(i, sys);
|
|
} else
|
|
#endif
|
|
p->sys_ind = sys;
|
|
printf (_("Changed system type of partition %d "
|
|
"to %x (%s)\n"), i + 1, sys,
|
|
partition_type(sys));
|
|
ptes[i].changed = 1;
|
|
if (is_dos_partition(origsys) ||
|
|
is_dos_partition(sys))
|
|
dos_changed = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
#endif /* CONFIG_FEATURE_FDISK_WRITABLE */
|
|
|
|
|
|
/* check_consistency() and long2chs() added Sat Mar 6 12:28:16 1993,
|
|
* faith@cs.unc.edu, based on code fragments from pfdisk by Gordon W. Ross,
|
|
* Jan. 1990 (version 1.2.1 by Gordon W. Ross Aug. 1990; Modified by S.
|
|
* Lubkin Oct. 1991). */
|
|
|
|
static void long2chs(ulong ls, uint *c, uint *h, uint *s) {
|
|
int spc = heads * sectors;
|
|
|
|
*c = ls / spc;
|
|
ls = ls % spc;
|
|
*h = ls / sectors;
|
|
*s = ls % sectors + 1; /* sectors count from 1 */
|
|
}
|
|
|
|
static void check_consistency(const struct partition *p, int partition) {
|
|
uint pbc, pbh, pbs; /* physical beginning c, h, s */
|
|
uint pec, peh, pes; /* physical ending c, h, s */
|
|
uint lbc, lbh, lbs; /* logical beginning c, h, s */
|
|
uint lec, leh, les; /* logical ending c, h, s */
|
|
|
|
if (!heads || !sectors || (partition >= 4))
|
|
return; /* do not check extended partitions */
|
|
|
|
/* physical beginning c, h, s */
|
|
pbc = (p->cyl & 0xff) | ((p->sector << 2) & 0x300);
|
|
pbh = p->head;
|
|
pbs = p->sector & 0x3f;
|
|
|
|
/* physical ending c, h, s */
|
|
pec = (p->end_cyl & 0xff) | ((p->end_sector << 2) & 0x300);
|
|
peh = p->end_head;
|
|
pes = p->end_sector & 0x3f;
|
|
|
|
/* compute logical beginning (c, h, s) */
|
|
long2chs(get_start_sect(p), &lbc, &lbh, &lbs);
|
|
|
|
/* compute logical ending (c, h, s) */
|
|
long2chs(get_start_sect(p) + get_nr_sects(p) - 1, &lec, &leh, &les);
|
|
|
|
/* Same physical / logical beginning? */
|
|
if (cylinders <= 1024 && (pbc != lbc || pbh != lbh || pbs != lbs)) {
|
|
printf(_("Partition %d has different physical/logical "
|
|
"beginnings (non-Linux?):\n"), partition + 1);
|
|
printf(_(" phys=(%d, %d, %d) "), pbc, pbh, pbs);
|
|
printf(_("logical=(%d, %d, %d)\n"),lbc, lbh, lbs);
|
|
}
|
|
|
|
/* Same physical / logical ending? */
|
|
if (cylinders <= 1024 && (pec != lec || peh != leh || pes != les)) {
|
|
printf(_("Partition %d has different physical/logical "
|
|
"endings:\n"), partition + 1);
|
|
printf(_(" phys=(%d, %d, %d) "), pec, peh, pes);
|
|
printf(_("logical=(%d, %d, %d)\n"),lec, leh, les);
|
|
}
|
|
|
|
#if 0
|
|
/* Beginning on cylinder boundary? */
|
|
if (pbh != !pbc || pbs != 1) {
|
|
printf(_("Partition %i does not start on cylinder "
|
|
"boundary:\n"), partition + 1);
|
|
printf(_(" phys=(%d, %d, %d) "), pbc, pbh, pbs);
|
|
printf(_("should be (%d, %d, 1)\n"), pbc, !pbc);
|
|
}
|
|
#endif
|
|
|
|
/* Ending on cylinder boundary? */
|
|
if (peh != (heads - 1) || pes != sectors) {
|
|
printf(_("Partition %i does not end on cylinder boundary.\n"),
|
|
partition + 1);
|
|
#if 0
|
|
printf(_(" phys=(%d, %d, %d) "), pec, peh, pes);
|
|
printf(_("should be (%d, %d, %d)\n"),
|
|
pec, heads - 1, sectors);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
static void
|
|
list_disk_geometry(void) {
|
|
long long bytes = (total_number_of_sectors << 9);
|
|
long megabytes = bytes/1000000;
|
|
|
|
if (megabytes < 10000)
|
|
printf(_("\nDisk %s: %ld MB, %lld bytes\n"),
|
|
disk_device, megabytes, bytes);
|
|
else
|
|
printf(_("\nDisk %s: %ld.%ld GB, %lld bytes\n"),
|
|
disk_device, megabytes/1000, (megabytes/100)%10, bytes);
|
|
printf(_("%d heads, %d sectors/track, %d cylinders"),
|
|
heads, sectors, cylinders);
|
|
if (units_per_sector == 1)
|
|
printf(_(", total %llu sectors"),
|
|
total_number_of_sectors / (sector_size/512));
|
|
printf(_("\nUnits = %s of %d * %d = %d bytes\n\n"),
|
|
str_units(PLURAL),
|
|
units_per_sector, sector_size, units_per_sector * sector_size);
|
|
}
|
|
|
|
/*
|
|
* Check whether partition entries are ordered by their starting positions.
|
|
* Return 0 if OK. Return i if partition i should have been earlier.
|
|
* Two separate checks: primary and logical partitions.
|
|
*/
|
|
static int
|
|
wrong_p_order(int *prev) {
|
|
const struct pte *pe;
|
|
const struct partition *p;
|
|
uint last_p_start_pos = 0, p_start_pos;
|
|
int i, last_i = 0;
|
|
|
|
for (i = 0 ; i < partitions; i++) {
|
|
if (i == 4) {
|
|
last_i = 4;
|
|
last_p_start_pos = 0;
|
|
}
|
|
pe = &ptes[i];
|
|
if ((p = pe->part_table)->sys_ind) {
|
|
p_start_pos = get_partition_start(pe);
|
|
|
|
if (last_p_start_pos > p_start_pos) {
|
|
if (prev)
|
|
*prev = last_i;
|
|
return i;
|
|
}
|
|
|
|
last_p_start_pos = p_start_pos;
|
|
last_i = i;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_ADVANCED
|
|
/*
|
|
* Fix the chain of logicals.
|
|
* extended_offset is unchanged, the set of sectors used is unchanged
|
|
* The chain is sorted so that sectors increase, and so that
|
|
* starting sectors increase.
|
|
*
|
|
* After this it may still be that cfdisk doesnt like the table.
|
|
* (This is because cfdisk considers expanded parts, from link to
|
|
* end of partition, and these may still overlap.)
|
|
* Now
|
|
* sfdisk /dev/hda > ohda; sfdisk /dev/hda < ohda
|
|
* may help.
|
|
*/
|
|
static void
|
|
fix_chain_of_logicals(void) {
|
|
int j, oj, ojj, sj, sjj;
|
|
struct partition *pj,*pjj,tmp;
|
|
|
|
/* Stage 1: sort sectors but leave sector of part 4 */
|
|
/* (Its sector is the global extended_offset.) */
|
|
stage1:
|
|
for (j = 5; j < partitions-1; j++) {
|
|
oj = ptes[j].offset;
|
|
ojj = ptes[j+1].offset;
|
|
if (oj > ojj) {
|
|
ptes[j].offset = ojj;
|
|
ptes[j+1].offset = oj;
|
|
pj = ptes[j].part_table;
|
|
set_start_sect(pj, get_start_sect(pj)+oj-ojj);
|
|
pjj = ptes[j+1].part_table;
|
|
set_start_sect(pjj, get_start_sect(pjj)+ojj-oj);
|
|
set_start_sect(ptes[j-1].ext_pointer,
|
|
ojj-extended_offset);
|
|
set_start_sect(ptes[j].ext_pointer,
|
|
oj-extended_offset);
|
|
goto stage1;
|
|
}
|
|
}
|
|
|
|
/* Stage 2: sort starting sectors */
|
|
stage2:
|
|
for (j = 4; j < partitions-1; j++) {
|
|
pj = ptes[j].part_table;
|
|
pjj = ptes[j+1].part_table;
|
|
sj = get_start_sect(pj);
|
|
sjj = get_start_sect(pjj);
|
|
oj = ptes[j].offset;
|
|
ojj = ptes[j+1].offset;
|
|
if (oj+sj > ojj+sjj) {
|
|
tmp = *pj;
|
|
*pj = *pjj;
|
|
*pjj = tmp;
|
|
set_start_sect(pj, ojj+sjj-oj);
|
|
set_start_sect(pjj, oj+sj-ojj);
|
|
goto stage2;
|
|
}
|
|
}
|
|
|
|
/* Probably something was changed */
|
|
for (j = 4; j < partitions; j++)
|
|
ptes[j].changed = 1;
|
|
}
|
|
|
|
|
|
static void
|
|
fix_partition_table_order(void) {
|
|
struct pte *pei, *pek;
|
|
int i,k;
|
|
|
|
if (!wrong_p_order(NULL)) {
|
|
printf(_("Nothing to do. Ordering is correct already.\n\n"));
|
|
return;
|
|
}
|
|
|
|
while ((i = wrong_p_order(&k)) != 0 && i < 4) {
|
|
/* partition i should have come earlier, move it */
|
|
/* We have to move data in the MBR */
|
|
struct partition *pi, *pk, *pe, pbuf;
|
|
pei = &ptes[i];
|
|
pek = &ptes[k];
|
|
|
|
pe = pei->ext_pointer;
|
|
pei->ext_pointer = pek->ext_pointer;
|
|
pek->ext_pointer = pe;
|
|
|
|
pi = pei->part_table;
|
|
pk = pek->part_table;
|
|
|
|
memmove(&pbuf, pi, sizeof(struct partition));
|
|
memmove(pi, pk, sizeof(struct partition));
|
|
memmove(pk, &pbuf, sizeof(struct partition));
|
|
|
|
pei->changed = pek->changed = 1;
|
|
}
|
|
|
|
if (i)
|
|
fix_chain_of_logicals();
|
|
|
|
printf("Done.\n");
|
|
|
|
}
|
|
#endif
|
|
|
|
static void
|
|
list_table(int xtra) {
|
|
const struct partition *p;
|
|
int i, w;
|
|
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
if (sun_label) {
|
|
sun_list_table(xtra);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
if (sgi_label) {
|
|
sgi_list_table(xtra);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
list_disk_geometry();
|
|
|
|
#ifdef CONFIG_FEATURE_OSF_LABEL
|
|
if (osf_label) {
|
|
xbsd_print_disklabel(xtra);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
/* Heuristic: we list partition 3 of /dev/foo as /dev/foo3,
|
|
but if the device name ends in a digit, say /dev/foo1,
|
|
then the partition is called /dev/foo1p3. */
|
|
w = strlen(disk_device);
|
|
if (w && isdigit(disk_device[w-1]))
|
|
w++;
|
|
if (w < 5)
|
|
w = 5;
|
|
|
|
printf(_("%*s Boot Start End Blocks Id System\n"),
|
|
w+1, _("Device"));
|
|
|
|
for (i = 0; i < partitions; i++) {
|
|
const struct pte *pe = &ptes[i];
|
|
|
|
p = pe->part_table;
|
|
if (p && !is_cleared_partition(p)) {
|
|
unsigned int psects = get_nr_sects(p);
|
|
unsigned int pblocks = psects;
|
|
unsigned int podd = 0;
|
|
|
|
if (sector_size < 1024) {
|
|
pblocks /= (1024 / sector_size);
|
|
podd = psects % (1024 / sector_size);
|
|
}
|
|
if (sector_size > 1024)
|
|
pblocks *= (sector_size / 1024);
|
|
printf(
|
|
"%s %c %11lu %11lu %11lu%c %2x %s\n",
|
|
partname(disk_device, i+1, w+2),
|
|
/* boot flag */ !p->boot_ind ? ' ' : p->boot_ind == ACTIVE_FLAG
|
|
? '*' : '?',
|
|
/* start */ (unsigned long) cround(get_partition_start(pe)),
|
|
/* end */ (unsigned long) cround(get_partition_start(pe) + psects
|
|
- (psects ? 1 : 0)),
|
|
/* odd flag on end */ (unsigned long) pblocks, podd ? '+' : ' ',
|
|
/* type id */ p->sys_ind,
|
|
/* type name */ partition_type(p->sys_ind));
|
|
check_consistency(p, i);
|
|
}
|
|
}
|
|
|
|
/* Is partition table in disk order? It need not be, but... */
|
|
/* partition table entries are not checked for correct order if this
|
|
is a sgi, sun or aix labeled disk... */
|
|
if (dos_label && wrong_p_order(NULL)) {
|
|
printf(_("\nPartition table entries are not in disk order\n"));
|
|
}
|
|
}
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_ADVANCED
|
|
static void
|
|
x_list_table(int extend) {
|
|
const struct pte *pe;
|
|
const struct partition *p;
|
|
int i;
|
|
|
|
printf(_("\nDisk %s: %d heads, %d sectors, %d cylinders\n\n"),
|
|
disk_device, heads, sectors, cylinders);
|
|
printf(_("Nr AF Hd Sec Cyl Hd Sec Cyl Start Size ID\n"));
|
|
for (i = 0 ; i < partitions; i++) {
|
|
pe = &ptes[i];
|
|
p = (extend ? pe->ext_pointer : pe->part_table);
|
|
if (p != NULL) {
|
|
printf("%2d %02x%4d%4d%5d%4d%4d%5d%11u%11u %02x\n",
|
|
i + 1, p->boot_ind, p->head,
|
|
sector(p->sector),
|
|
cylinder(p->sector, p->cyl), p->end_head,
|
|
sector(p->end_sector),
|
|
cylinder(p->end_sector, p->end_cyl),
|
|
get_start_sect(p), get_nr_sects(p), p->sys_ind);
|
|
if (p->sys_ind)
|
|
check_consistency(p, i);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
static void
|
|
fill_bounds(uint *first, uint *last) {
|
|
int i;
|
|
const struct pte *pe = &ptes[0];
|
|
const struct partition *p;
|
|
|
|
for (i = 0; i < partitions; pe++,i++) {
|
|
p = pe->part_table;
|
|
if (!p->sys_ind || IS_EXTENDED (p->sys_ind)) {
|
|
first[i] = 0xffffffff;
|
|
last[i] = 0;
|
|
} else {
|
|
first[i] = get_partition_start(pe);
|
|
last[i] = first[i] + get_nr_sects(p) - 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
check(int n, uint h, uint s, uint c, uint start) {
|
|
uint total, real_s, real_c;
|
|
|
|
real_s = sector(s) - 1;
|
|
real_c = cylinder(s, c);
|
|
total = (real_c * sectors + real_s) * heads + h;
|
|
if (!total)
|
|
fprintf(stderr, _("Warning: partition %d contains sector 0\n"), n);
|
|
if (h >= heads)
|
|
fprintf(stderr,
|
|
_("Partition %d: head %d greater than maximum %d\n"),
|
|
n, h + 1, heads);
|
|
if (real_s >= sectors)
|
|
fprintf(stderr, _("Partition %d: sector %d greater than "
|
|
"maximum %d\n"), n, s, sectors);
|
|
if (real_c >= cylinders)
|
|
fprintf(stderr, _("Partitions %d: cylinder %d greater than "
|
|
"maximum %d\n"), n, real_c + 1, cylinders);
|
|
if (cylinders <= 1024 && start != total)
|
|
fprintf(stderr,
|
|
_("Partition %d: previous sectors %d disagrees with "
|
|
"total %d\n"), n, start, total);
|
|
}
|
|
|
|
static void
|
|
verify(void) {
|
|
int i, j;
|
|
uint total = 1;
|
|
uint first[partitions], last[partitions];
|
|
struct partition *p;
|
|
|
|
if (warn_geometry())
|
|
return;
|
|
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
if (sun_label) {
|
|
verify_sun();
|
|
return;
|
|
}
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
if (sgi_label) {
|
|
verify_sgi(1);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
fill_bounds(first, last);
|
|
for (i = 0; i < partitions; i++) {
|
|
struct pte *pe = &ptes[i];
|
|
|
|
p = pe->part_table;
|
|
if (p->sys_ind && !IS_EXTENDED (p->sys_ind)) {
|
|
check_consistency(p, i);
|
|
if (get_partition_start(pe) < first[i])
|
|
printf(_("Warning: bad start-of-data in "
|
|
"partition %d\n"), i + 1);
|
|
check(i + 1, p->end_head, p->end_sector, p->end_cyl,
|
|
last[i]);
|
|
total += last[i] + 1 - first[i];
|
|
for (j = 0; j < i; j++)
|
|
if ((first[i] >= first[j] && first[i] <= last[j])
|
|
|| ((last[i] <= last[j] && last[i] >= first[j]))) {
|
|
printf(_("Warning: partition %d overlaps "
|
|
"partition %d.\n"), j + 1, i + 1);
|
|
total += first[i] >= first[j] ?
|
|
first[i] : first[j];
|
|
total -= last[i] <= last[j] ?
|
|
last[i] : last[j];
|
|
}
|
|
}
|
|
}
|
|
|
|
if (extended_offset) {
|
|
struct pte *pex = &ptes[ext_index];
|
|
uint e_last = get_start_sect(pex->part_table) +
|
|
get_nr_sects(pex->part_table) - 1;
|
|
|
|
for (i = 4; i < partitions; i++) {
|
|
total++;
|
|
p = ptes[i].part_table;
|
|
if (!p->sys_ind) {
|
|
if (i != 4 || i + 1 < partitions)
|
|
printf(_("Warning: partition %d "
|
|
"is empty\n"), i + 1);
|
|
}
|
|
else if (first[i] < extended_offset ||
|
|
last[i] > e_last)
|
|
printf(_("Logical partition %d not entirely in "
|
|
"partition %d\n"), i + 1, ext_index + 1);
|
|
}
|
|
}
|
|
|
|
if (total > heads * sectors * cylinders)
|
|
printf(_("Total allocated sectors %d greater than the maximum "
|
|
"%d\n"), total, heads * sectors * cylinders);
|
|
else if ((total = heads * sectors * cylinders - total) != 0)
|
|
printf(_("%d unallocated sectors\n"), total);
|
|
}
|
|
|
|
static void
|
|
add_partition(int n, int sys) {
|
|
char mesg[256]; /* 48 does not suffice in Japanese */
|
|
int i, readed = 0;
|
|
struct partition *p = ptes[n].part_table;
|
|
struct partition *q = ptes[ext_index].part_table;
|
|
long long llimit;
|
|
uint start, stop = 0, limit, temp,
|
|
first[partitions], last[partitions];
|
|
|
|
if (p && p->sys_ind) {
|
|
printf(_("Partition %d is already defined. Delete "
|
|
"it before re-adding it.\n"), n + 1);
|
|
return;
|
|
}
|
|
fill_bounds(first, last);
|
|
if (n < 4) {
|
|
start = sector_offset;
|
|
if (display_in_cyl_units || !total_number_of_sectors)
|
|
llimit = heads * sectors * cylinders - 1;
|
|
else
|
|
llimit = total_number_of_sectors - 1;
|
|
limit = llimit;
|
|
if (limit != llimit)
|
|
limit = 0x7fffffff;
|
|
if (extended_offset) {
|
|
first[ext_index] = extended_offset;
|
|
last[ext_index] = get_start_sect(q) +
|
|
get_nr_sects(q) - 1;
|
|
}
|
|
} else {
|
|
start = extended_offset + sector_offset;
|
|
limit = get_start_sect(q) + get_nr_sects(q) - 1;
|
|
}
|
|
if (display_in_cyl_units)
|
|
for (i = 0; i < partitions; i++)
|
|
first[i] = (cround(first[i]) - 1) * units_per_sector;
|
|
|
|
snprintf(mesg, sizeof(mesg), _("First %s"), str_units(SINGULAR));
|
|
do {
|
|
temp = start;
|
|
for (i = 0; i < partitions; i++) {
|
|
int lastplusoff;
|
|
|
|
if (start == ptes[i].offset)
|
|
start += sector_offset;
|
|
lastplusoff = last[i] + ((n<4) ? 0 : sector_offset);
|
|
if (start >= first[i] && start <= lastplusoff)
|
|
start = lastplusoff + 1;
|
|
}
|
|
if (start > limit)
|
|
break;
|
|
if (start >= temp+units_per_sector && readed) {
|
|
printf(_("Sector %d is already allocated\n"), temp);
|
|
temp = start;
|
|
readed = 0;
|
|
}
|
|
if (!readed && start == temp) {
|
|
uint saved_start;
|
|
|
|
saved_start = start;
|
|
start = read_int(cround(saved_start), cround(saved_start), cround(limit),
|
|
0, mesg);
|
|
if (display_in_cyl_units) {
|
|
start = (start - 1) * units_per_sector;
|
|
if (start < saved_start) start = saved_start;
|
|
}
|
|
readed = 1;
|
|
}
|
|
} while (start != temp || !readed);
|
|
if (n > 4) { /* NOT for fifth partition */
|
|
struct pte *pe = &ptes[n];
|
|
|
|
pe->offset = start - sector_offset;
|
|
if (pe->offset == extended_offset) { /* must be corrected */
|
|
pe->offset++;
|
|
if (sector_offset == 1)
|
|
start++;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < partitions; i++) {
|
|
struct pte *pe = &ptes[i];
|
|
|
|
if (start < pe->offset && limit >= pe->offset)
|
|
limit = pe->offset - 1;
|
|
if (start < first[i] && limit >= first[i])
|
|
limit = first[i] - 1;
|
|
}
|
|
if (start > limit) {
|
|
printf(_("No free sectors available\n"));
|
|
if (n > 4)
|
|
partitions--;
|
|
return;
|
|
}
|
|
if (cround(start) == cround(limit)) {
|
|
stop = limit;
|
|
} else {
|
|
snprintf(mesg, sizeof(mesg),
|
|
_("Last %s or +size or +sizeM or +sizeK"),
|
|
str_units(SINGULAR));
|
|
stop = read_int(cround(start), cround(limit), cround(limit),
|
|
cround(start), mesg);
|
|
if (display_in_cyl_units) {
|
|
stop = stop * units_per_sector - 1;
|
|
if (stop >limit)
|
|
stop = limit;
|
|
}
|
|
}
|
|
|
|
set_partition(n, 0, start, stop, sys);
|
|
if (n > 4)
|
|
set_partition(n - 1, 1, ptes[n].offset, stop, EXTENDED);
|
|
|
|
if (IS_EXTENDED (sys)) {
|
|
struct pte *pe4 = &ptes[4];
|
|
struct pte *pen = &ptes[n];
|
|
|
|
ext_index = n;
|
|
pen->ext_pointer = p;
|
|
pe4->offset = extended_offset = start;
|
|
pe4->sectorbuffer = xcalloc(1, sector_size);
|
|
pe4->part_table = pt_offset(pe4->sectorbuffer, 0);
|
|
pe4->ext_pointer = pe4->part_table + 1;
|
|
pe4->changed = 1;
|
|
partitions = 5;
|
|
}
|
|
}
|
|
|
|
static void
|
|
add_logical(void) {
|
|
if (partitions > 5 || ptes[4].part_table->sys_ind) {
|
|
struct pte *pe = &ptes[partitions];
|
|
|
|
pe->sectorbuffer = xcalloc(1, sector_size);
|
|
pe->part_table = pt_offset(pe->sectorbuffer, 0);
|
|
pe->ext_pointer = pe->part_table + 1;
|
|
pe->offset = 0;
|
|
pe->changed = 1;
|
|
partitions++;
|
|
}
|
|
add_partition(partitions - 1, LINUX_NATIVE);
|
|
}
|
|
|
|
static void
|
|
new_partition(void) {
|
|
int i, free_primary = 0;
|
|
|
|
if (warn_geometry())
|
|
return;
|
|
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
if (sun_label) {
|
|
add_sun_partition(get_partition(0, partitions), LINUX_NATIVE);
|
|
return;
|
|
}
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
if (sgi_label) {
|
|
sgi_add_partition(get_partition(0, partitions), LINUX_NATIVE);
|
|
return;
|
|
}
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_AIX_LABEL
|
|
if (aix_label) {
|
|
printf(_("\tSorry - this fdisk cannot handle AIX disk labels."
|
|
"\n\tIf you want to add DOS-type partitions, create"
|
|
"\n\ta new empty DOS partition table first. (Use o.)"
|
|
"\n\tWARNING: "
|
|
"This will destroy the present disk contents.\n"));
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
for (i = 0; i < 4; i++)
|
|
free_primary += !ptes[i].part_table->sys_ind;
|
|
|
|
if (!free_primary && partitions >= MAXIMUM_PARTS) {
|
|
printf(_("The maximum number of partitions has been created\n"));
|
|
return;
|
|
}
|
|
|
|
if (!free_primary) {
|
|
if (extended_offset)
|
|
add_logical();
|
|
else
|
|
printf(_("You must delete some partition and add "
|
|
"an extended partition first\n"));
|
|
} else {
|
|
char c, line[LINE_LENGTH];
|
|
snprintf(line, sizeof(line), "%s\n %s\n p primary "
|
|
"partition (1-4)\n",
|
|
"Command action", (extended_offset ?
|
|
"l logical (5 or over)" : "e extended"));
|
|
while (1) {
|
|
if ((c = read_char(line)) == 'p' || c == 'P') {
|
|
i = get_nonexisting_partition(0, 4);
|
|
if (i >= 0)
|
|
add_partition(i, LINUX_NATIVE);
|
|
return;
|
|
}
|
|
else if (c == 'l' && extended_offset) {
|
|
add_logical();
|
|
return;
|
|
}
|
|
else if (c == 'e' && !extended_offset) {
|
|
i = get_nonexisting_partition(0, 4);
|
|
if (i >= 0)
|
|
add_partition(i, EXTENDED);
|
|
return;
|
|
}
|
|
else
|
|
printf(_("Invalid partition number "
|
|
"for type `%c'\n"), c);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
write_table(void) {
|
|
int i;
|
|
|
|
if (dos_label) {
|
|
for (i=0; i<3; i++)
|
|
if (ptes[i].changed)
|
|
ptes[3].changed = 1;
|
|
for (i = 3; i < partitions; i++) {
|
|
struct pte *pe = &ptes[i];
|
|
|
|
if (pe->changed) {
|
|
write_part_table_flag(pe->sectorbuffer);
|
|
write_sector(pe->offset, pe->sectorbuffer);
|
|
}
|
|
}
|
|
}
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
else if (sgi_label) {
|
|
/* no test on change? the printf below might be mistaken */
|
|
sgi_write_table();
|
|
}
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
else if (sun_label) {
|
|
int needw = 0;
|
|
|
|
for (i=0; i<8; i++)
|
|
if (ptes[i].changed)
|
|
needw = 1;
|
|
if (needw)
|
|
sun_write_table();
|
|
}
|
|
#endif
|
|
|
|
printf(_("The partition table has been altered!\n\n"));
|
|
reread_partition_table(1);
|
|
}
|
|
|
|
void
|
|
reread_partition_table(int leave) {
|
|
int error = 0;
|
|
int i;
|
|
|
|
printf(_("Calling ioctl() to re-read partition table.\n"));
|
|
sync();
|
|
sleep(2);
|
|
if ((i = ioctl(fd, BLKRRPART)) != 0) {
|
|
error = errno;
|
|
} else {
|
|
/* some kernel versions (1.2.x) seem to have trouble
|
|
rereading the partition table, but if asked to do it
|
|
twice, the second time works. - biro@yggdrasil.com */
|
|
sync();
|
|
sleep(2);
|
|
if ((i = ioctl(fd, BLKRRPART)) != 0)
|
|
error = errno;
|
|
}
|
|
|
|
if (i) {
|
|
printf(_("\nWARNING: Re-reading the partition table "
|
|
"failed with error %d: %s.\n"
|
|
"The kernel still uses the old table.\n"
|
|
"The new table will be used "
|
|
"at the next reboot.\n"),
|
|
error, strerror(error));
|
|
}
|
|
|
|
if (dos_changed)
|
|
printf(
|
|
_("\nWARNING: If you have created or modified any DOS 6.x\n"
|
|
"partitions, please see the fdisk manual page for additional\n"
|
|
"information.\n"));
|
|
|
|
if (leave) {
|
|
close(fd);
|
|
|
|
printf(_("Syncing disks.\n"));
|
|
sync();
|
|
sleep(4); /* for sync() */
|
|
exit(!!i);
|
|
}
|
|
}
|
|
#endif /* CONFIG_FEATURE_FDISK_WRITABLE */
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_ADVANCED
|
|
#define MAX_PER_LINE 16
|
|
static void
|
|
print_buffer(char pbuffer[]) {
|
|
int i,
|
|
l;
|
|
|
|
for (i = 0, l = 0; i < sector_size; i++, l++) {
|
|
if (l == 0)
|
|
printf("0x%03X:", i);
|
|
printf(" %02X", (unsigned char) pbuffer[i]);
|
|
if (l == MAX_PER_LINE - 1) {
|
|
printf("\n");
|
|
l = -1;
|
|
}
|
|
}
|
|
if (l > 0)
|
|
printf("\n");
|
|
printf("\n");
|
|
}
|
|
|
|
|
|
static void
|
|
print_raw(void) {
|
|
int i;
|
|
|
|
printf(_("Device: %s\n"), disk_device);
|
|
#if defined(CONFIG_FEATURE_SGI_LABEL) || defined(CONFIG_FEATURE_SUN_LABEL)
|
|
if (sun_label || sgi_label)
|
|
print_buffer(MBRbuffer);
|
|
else
|
|
#endif
|
|
for (i = 3; i < partitions; i++)
|
|
print_buffer(ptes[i].sectorbuffer);
|
|
}
|
|
|
|
static void
|
|
move_begin(int i) {
|
|
struct pte *pe = &ptes[i];
|
|
struct partition *p = pe->part_table;
|
|
uint new, first;
|
|
|
|
if (warn_geometry())
|
|
return;
|
|
if (!p->sys_ind || !get_nr_sects(p) || IS_EXTENDED (p->sys_ind)) {
|
|
printf(_("Partition %d has no data area\n"), i + 1);
|
|
return;
|
|
}
|
|
first = get_partition_start(pe);
|
|
new = read_int(first, first, first + get_nr_sects(p) - 1, first,
|
|
_("New beginning of data")) - pe->offset;
|
|
|
|
if (new != get_nr_sects(p)) {
|
|
first = get_nr_sects(p) + get_start_sect(p) - new;
|
|
set_nr_sects(p, first);
|
|
set_start_sect(p, new);
|
|
pe->changed = 1;
|
|
}
|
|
}
|
|
|
|
static void
|
|
xselect(void) {
|
|
char c;
|
|
|
|
while(1) {
|
|
putchar('\n');
|
|
c = tolower(read_char(_("Expert command (m for help): ")));
|
|
switch (c) {
|
|
case 'a':
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
if (sun_label)
|
|
sun_set_alt_cyl();
|
|
#endif
|
|
break;
|
|
case 'b':
|
|
if (dos_label)
|
|
move_begin(get_partition(0, partitions));
|
|
break;
|
|
case 'c':
|
|
user_cylinders = cylinders =
|
|
read_int(1, cylinders, 1048576, 0,
|
|
_("Number of cylinders"));
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
if (sun_label)
|
|
sun_set_ncyl(cylinders);
|
|
#endif
|
|
if (dos_label)
|
|
warn_cylinders();
|
|
break;
|
|
case 'd':
|
|
print_raw();
|
|
break;
|
|
case 'e':
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
if (sgi_label)
|
|
sgi_set_xcyl();
|
|
else
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
if (sun_label)
|
|
sun_set_xcyl();
|
|
else
|
|
#endif
|
|
if (dos_label)
|
|
x_list_table(1);
|
|
break;
|
|
case 'f':
|
|
if (dos_label)
|
|
fix_partition_table_order();
|
|
break;
|
|
case 'g':
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
create_sgilabel();
|
|
#endif
|
|
break;
|
|
case 'h':
|
|
user_heads = heads = read_int(1, heads, 256, 0,
|
|
_("Number of heads"));
|
|
update_units();
|
|
break;
|
|
case 'i':
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
if (sun_label)
|
|
sun_set_ilfact();
|
|
#endif
|
|
break;
|
|
case 'o':
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
if (sun_label)
|
|
sun_set_rspeed();
|
|
#endif
|
|
break;
|
|
case 'p':
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
if (sun_label)
|
|
list_table(1);
|
|
else
|
|
#endif
|
|
x_list_table(0);
|
|
break;
|
|
case 'q':
|
|
close(fd);
|
|
printf("\n");
|
|
exit(0);
|
|
case 'r':
|
|
return;
|
|
case 's':
|
|
user_sectors = sectors = read_int(1, sectors, 63, 0,
|
|
_("Number of sectors"));
|
|
if (dos_compatible_flag) {
|
|
sector_offset = sectors;
|
|
fprintf(stderr, _("Warning: setting "
|
|
"sector offset for DOS "
|
|
"compatiblity\n"));
|
|
}
|
|
update_units();
|
|
break;
|
|
case 'v':
|
|
verify();
|
|
break;
|
|
case 'w':
|
|
write_table(); /* does not return */
|
|
break;
|
|
case 'y':
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
if (sun_label)
|
|
sun_set_pcylcount();
|
|
#endif
|
|
break;
|
|
default:
|
|
xmenu();
|
|
}
|
|
}
|
|
}
|
|
#endif /* ADVANCED mode */
|
|
|
|
static int
|
|
is_ide_cdrom_or_tape(const char *device) {
|
|
FILE *procf;
|
|
char buf[100];
|
|
struct stat statbuf;
|
|
int is_ide = 0;
|
|
|
|
/* No device was given explicitly, and we are trying some
|
|
likely things. But opening /dev/hdc may produce errors like
|
|
"hdc: tray open or drive not ready"
|
|
if it happens to be a CD-ROM drive. It even happens that
|
|
the process hangs on the attempt to read a music CD.
|
|
So try to be careful. This only works since 2.1.73. */
|
|
|
|
if (strncmp("/dev/hd", device, 7))
|
|
return 0;
|
|
|
|
snprintf(buf, sizeof(buf), "/proc/ide/%s/media", device+5);
|
|
procf = fopen(buf, "r");
|
|
if (procf != NULL && fgets(buf, sizeof(buf), procf))
|
|
is_ide = (!strncmp(buf, "cdrom", 5) ||
|
|
!strncmp(buf, "tape", 4));
|
|
else
|
|
/* Now when this proc file does not exist, skip the
|
|
device when it is read-only. */
|
|
if (stat(device, &statbuf) == 0)
|
|
is_ide = ((statbuf.st_mode & 0222) == 0);
|
|
|
|
if (procf)
|
|
fclose(procf);
|
|
return is_ide;
|
|
}
|
|
|
|
static void
|
|
try(const char *device, int user_specified) {
|
|
int gb;
|
|
|
|
disk_device = device;
|
|
if (setjmp(listingbuf))
|
|
return;
|
|
if (!user_specified)
|
|
if (is_ide_cdrom_or_tape(device))
|
|
return;
|
|
if ((fd = open(disk_device, type_open)) >= 0) {
|
|
gb = get_boot(try_only);
|
|
if (gb > 0) { /* I/O error */
|
|
close(fd);
|
|
} else if (gb < 0) { /* no DOS signature */
|
|
list_disk_geometry();
|
|
if (aix_label)
|
|
return;
|
|
#ifdef CONFIG_FEATURE_OSF_LABEL
|
|
if (btrydev(device) < 0)
|
|
#endif
|
|
fprintf(stderr,
|
|
_("Disk %s doesn't contain a valid "
|
|
"partition table\n"), device);
|
|
close(fd);
|
|
} else {
|
|
close(fd);
|
|
list_table(0);
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
if (!sun_label && partitions > 4)
|
|
delete_partition(ext_index);
|
|
#endif
|
|
}
|
|
} else {
|
|
/* Ignore other errors, since we try IDE
|
|
and SCSI hard disks which may not be
|
|
installed on the system. */
|
|
if (errno == EACCES) {
|
|
fprintf(stderr, _("Cannot open %s\n"), device);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* for fdisk -l: try all things in /proc/partitions
|
|
that look like a partition name (do not end in a digit) */
|
|
static void
|
|
tryprocpt(void) {
|
|
FILE *procpt;
|
|
char line[100], ptname[100], devname[120], *s;
|
|
int ma, mi, sz;
|
|
|
|
procpt = bb_wfopen(PROC_PARTITIONS, "r");
|
|
|
|
while (fgets(line, sizeof(line), procpt)) {
|
|
if (sscanf (line, " %d %d %d %[^\n ]",
|
|
&ma, &mi, &sz, ptname) != 4)
|
|
continue;
|
|
for (s = ptname; *s; s++);
|
|
if (isdigit(s[-1]))
|
|
continue;
|
|
sprintf(devname, "/dev/%s", ptname);
|
|
try(devname, 0);
|
|
}
|
|
#ifdef CONFIG_FEATURE_CLEAN_UP
|
|
fclose(procpt);
|
|
#endif
|
|
}
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
static void
|
|
unknown_command(int c) {
|
|
printf(_("%c: unknown command\n"), c);
|
|
}
|
|
#endif
|
|
|
|
int fdisk_main(int argc, char **argv) {
|
|
int c;
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
int optl = 0;
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_FDISK_BLKSIZE
|
|
int opts = 0;
|
|
#endif
|
|
/*
|
|
* Calls:
|
|
* fdisk -v
|
|
* fdisk -l [-b sectorsize] [-u] device ...
|
|
* fdisk -s [partition] ...
|
|
* fdisk [-b sectorsize] [-u] device
|
|
*
|
|
* Options -C, -H, -S set the geometry.
|
|
*
|
|
*/
|
|
while ((c = getopt(argc, argv, "b:C:H:lS:uvV"
|
|
#ifdef CONFIG_FEATURE_FDISK_BLKSIZE
|
|
"s"
|
|
#endif
|
|
)) != -1) {
|
|
switch (c) {
|
|
case 'b':
|
|
/* Ugly: this sector size is really per device,
|
|
so cannot be combined with multiple disks,
|
|
and te same goes for the C/H/S options.
|
|
*/
|
|
sector_size = atoi(optarg);
|
|
if (sector_size != 512 && sector_size != 1024 &&
|
|
sector_size != 2048)
|
|
bb_show_usage();
|
|
sector_offset = 2;
|
|
user_set_sector_size = 1;
|
|
break;
|
|
case 'C':
|
|
user_cylinders = atoi(optarg);
|
|
break;
|
|
case 'H':
|
|
user_heads = atoi(optarg);
|
|
if (user_heads <= 0 || user_heads >= 256)
|
|
user_heads = 0;
|
|
break;
|
|
case 'S':
|
|
user_sectors = atoi(optarg);
|
|
if (user_sectors <= 0 || user_sectors >= 64)
|
|
user_sectors = 0;
|
|
break;
|
|
case 'l':
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
optl = 1;
|
|
#endif
|
|
break;
|
|
#ifdef CONFIG_FEATURE_FDISK_BLKSIZE
|
|
case 's':
|
|
opts = 1;
|
|
break;
|
|
#endif
|
|
case 'u':
|
|
display_in_cyl_units = 0;
|
|
break;
|
|
case 'V':
|
|
case 'v':
|
|
printf("fdisk v" UTIL_LINUX_VERSION "\n");
|
|
return 0;
|
|
default:
|
|
bb_show_usage();
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
printf(_("This kernel finds the sector size itself - "
|
|
"-b option ignored\n"));
|
|
#else
|
|
if (user_set_sector_size && argc-optind != 1)
|
|
printf(_("Warning: the -b (set sector size) option should"
|
|
" be used with one specified device\n"));
|
|
#endif
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
if (optl) {
|
|
nowarn = 1;
|
|
#endif
|
|
type_open = O_RDONLY;
|
|
if (argc > optind) {
|
|
int k;
|
|
#if __GNUC__
|
|
/* avoid gcc warning:
|
|
variable `k' might be clobbered by `longjmp' */
|
|
(void)&k;
|
|
#endif
|
|
listing = 1;
|
|
for (k=optind; k<argc; k++)
|
|
try(argv[k], 1);
|
|
} else {
|
|
/* we no longer have default device names */
|
|
/* but, we can use /proc/partitions instead */
|
|
tryprocpt();
|
|
}
|
|
return 0;
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_BLKSIZE
|
|
if (opts) {
|
|
long size;
|
|
int j;
|
|
|
|
nowarn = 1;
|
|
type_open = O_RDONLY;
|
|
|
|
opts = argc - optind;
|
|
if (opts <= 0)
|
|
bb_show_usage();
|
|
|
|
for (j = optind; j < argc; j++) {
|
|
disk_device = argv[j];
|
|
if ((fd = open(disk_device, type_open)) < 0)
|
|
fdisk_fatal(unable_to_open);
|
|
if (ioctl(fd, BLKGETSIZE, &size))
|
|
fdisk_fatal(ioctl_error);
|
|
close(fd);
|
|
if (opts == 1)
|
|
printf("%ld\n", size/2);
|
|
else
|
|
printf("%s: %ld\n", argv[j], size/2);
|
|
}
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_FEATURE_FDISK_WRITABLE
|
|
if (argc-optind == 1)
|
|
disk_device = argv[optind];
|
|
else
|
|
bb_show_usage();
|
|
|
|
get_boot(fdisk);
|
|
|
|
#ifdef CONFIG_FEATURE_OSF_LABEL
|
|
if (osf_label) {
|
|
/* OSF label, and no DOS label */
|
|
printf(_("Detected an OSF/1 disklabel on %s, entering "
|
|
"disklabel mode.\n"),
|
|
disk_device);
|
|
bselect();
|
|
osf_label = 0;
|
|
/* If we return we may want to make an empty DOS label? */
|
|
}
|
|
#endif
|
|
|
|
while (1) {
|
|
putchar('\n');
|
|
c = tolower(read_char(_("Command (m for help): ")));
|
|
switch (c) {
|
|
case 'a':
|
|
if (dos_label)
|
|
toggle_active(get_partition(1, partitions));
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
else if (sun_label)
|
|
toggle_sunflags(get_partition(1, partitions),
|
|
0x01);
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
else if (sgi_label)
|
|
sgi_set_bootpartition(
|
|
get_partition(1, partitions));
|
|
#endif
|
|
else
|
|
unknown_command(c);
|
|
break;
|
|
case 'b':
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
if (sgi_label) {
|
|
printf(_("\nThe current boot file is: %s\n"),
|
|
sgi_get_bootfile());
|
|
if (read_chars(_("Please enter the name of the "
|
|
"new boot file: ")) == '\n')
|
|
printf(_("Boot file unchanged\n"));
|
|
else
|
|
sgi_set_bootfile(line_ptr);
|
|
} else
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_OSF_LABEL
|
|
bselect();
|
|
#endif
|
|
break;
|
|
case 'c':
|
|
if (dos_label)
|
|
toggle_dos_compatibility_flag();
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
else if (sun_label)
|
|
toggle_sunflags(get_partition(1, partitions),
|
|
0x10);
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
else if (sgi_label)
|
|
sgi_set_swappartition(
|
|
get_partition(1, partitions));
|
|
#endif
|
|
else
|
|
unknown_command(c);
|
|
break;
|
|
case 'd':
|
|
{
|
|
int j;
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
/* If sgi_label then don't use get_existing_partition,
|
|
let the user select a partition, since
|
|
get_existing_partition() only works for Linux-like
|
|
partition tables */
|
|
if (!sgi_label) {
|
|
j = get_existing_partition(1, partitions);
|
|
} else {
|
|
j = get_partition(1, partitions);
|
|
}
|
|
#else
|
|
j = get_existing_partition(1, partitions);
|
|
#endif
|
|
if (j >= 0)
|
|
delete_partition(j);
|
|
}
|
|
break;
|
|
case 'i':
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
if (sgi_label)
|
|
create_sgiinfo();
|
|
else
|
|
#endif
|
|
unknown_command(c);
|
|
case 'l':
|
|
list_types(get_sys_types());
|
|
break;
|
|
case 'm':
|
|
menu();
|
|
break;
|
|
case 'n':
|
|
new_partition();
|
|
break;
|
|
case 'o':
|
|
create_doslabel();
|
|
break;
|
|
case 'p':
|
|
list_table(0);
|
|
break;
|
|
case 'q':
|
|
close(fd);
|
|
printf("\n");
|
|
return 0;
|
|
case 's':
|
|
#ifdef CONFIG_FEATURE_SUN_LABEL
|
|
create_sunlabel();
|
|
#endif
|
|
break;
|
|
case 't':
|
|
change_sysid();
|
|
break;
|
|
case 'u':
|
|
change_units();
|
|
break;
|
|
case 'v':
|
|
verify();
|
|
break;
|
|
case 'w':
|
|
write_table(); /* does not return */
|
|
break;
|
|
#ifdef CONFIG_FEATURE_FDISK_ADVANCED
|
|
case 'x':
|
|
#ifdef CONFIG_FEATURE_SGI_LABEL
|
|
if (sgi_label) {
|
|
fprintf(stderr,
|
|
_("\n\tSorry, no experts menu for SGI "
|
|
"partition tables available.\n\n"));
|
|
} else
|
|
#endif
|
|
|
|
xselect();
|
|
break;
|
|
#endif
|
|
default:
|
|
unknown_command(c);
|
|
menu();
|
|
}
|
|
}
|
|
return 0;
|
|
#endif /* CONFIG_FEATURE_FDISK_WRITABLE */
|
|
}
|