/* NetBSD disklabel editor for Linux fdisk Written by Bernhard Fastenrath (fasten@informatik.uni-bonn.de) with code from the NetBSD disklabel command: Copyright (c) 1987, 1988 Regents of the University of California. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. All advertising materials mentioning features or use of this software must display the following acknowledgement: This product includes software developed by the University of California, Berkeley and its contributors. 4. Neither the name of the University nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Changes: 19990319 - Arnaldo Carvalho de Melo - i18n/nls 20000101 - David Huggins-Daines - Better support for OSF/1 disklabels on Alpha. Also fixed unaligned accesses in alpha_bootblock_checksum() */ #include #include #include #include #include #include #include #include #include "nls.h" #include #include "common.h" #include "fdisk.h" #define FREEBSD_PARTITION 0xa5 #define NETBSD_PARTITION 0xa9 #define DKTYPENAMES #include "fdiskbsdlabel.h" static int xbsd_delete_part (struct fdisk_context *cxt, int partnum); static void xbsd_edit_disklabel (void); static void xbsd_write_bootstrap (struct fdisk_context *cxt); static void xbsd_change_fstype (struct fdisk_context *cxt); static int xbsd_get_part_index (int max); static int xbsd_check_new_partition (int *i); static unsigned short xbsd_dkcksum (struct xbsd_disklabel *lp); static int xbsd_initlabel (struct fdisk_context *cxt, struct partition *p, struct xbsd_disklabel *d, int pindex); static int xbsd_readlabel (struct fdisk_context *cxt, struct partition *p, struct xbsd_disklabel *d); static int xbsd_writelabel (struct fdisk_context *cxt, struct partition *p, struct xbsd_disklabel *d); static void sync_disks (void); #if defined (__alpha__) void alpha_bootblock_checksum (char *boot); #endif #if !defined (__alpha__) static int xbsd_translate_fstype (int linux_type); static void xbsd_link_part (struct fdisk_context *cxt); static struct partition *xbsd_part; static int xbsd_part_index; #endif #if defined (__alpha__) /* We access this through a u_int64_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 osf_probe_label(struct fdisk_context *cxt) { if (xbsd_readlabel (cxt, NULL, &xbsd_dlabel) == 0) return 0; return 1; } int btrydev (struct fdisk_context *cxt) { if (xbsd_readlabel (cxt, NULL, &xbsd_dlabel) == 0) return -1; printf(_("\nBSD label for device: %s\n"), cxt->dev_path); xbsd_print_disklabel (cxt, 0); return 0; } #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 int xbsd_write_disklabel (struct fdisk_context *cxt) { #if defined (__alpha__) printf (_("Writing disklabel to %s.\n"), cxt->dev_path); xbsd_writelabel (cxt, NULL, &xbsd_dlabel); #else printf (_("Writing disklabel to %s.\n"), partname(cxt->dev_path, xbsd_part_index+1, 0)); xbsd_writelabel (cxt, xbsd_part, &xbsd_dlabel); #endif reread_partition_table(cxt, 0); /* no exit yet */ return 0; } static void xbsd_add_part (struct fdisk_context *cxt, int partnum __attribute__((__unused__)), struct fdisk_parttype *t __attribute__((__unused__))) { unsigned int 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 (cxt, 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 (cxt, 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 int xbsd_create_disklabel (struct fdisk_context *cxt) { char c; #if defined (__alpha__) fprintf (stderr, _("%s contains no disklabel.\n"), cxt->dev_path); #else fprintf (stderr, _("%s contains no disklabel.\n"), partname(cxt->dev_path, xbsd_part_index+1, 0)); #endif while (1) { c = read_char (_("Do you want to create a disklabel? (y/n) ")); if (tolower(c) == 'y') { if (xbsd_initlabel (cxt, #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 (cxt, 1); return 1; } else return 0; } else if (c == 'n') return 0; } } void bsd_command_prompt (struct fdisk_context *cxt) { #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(cxt->dev_path, t+1, 0)); return; } printf (_("Reading disklabel of %s at sector %d.\n"), partname(cxt->dev_path, t+1, 0), ss + BSD_LABELSECTOR); if (xbsd_readlabel (cxt, xbsd_part, &xbsd_dlabel) == 0) if (xbsd_create_disklabel (cxt) == 0) return; break; } } if (t == 4) { printf (_("There is no *BSD partition on %s.\n"), cxt->dev_path); return; } #elif defined (__alpha__) if (xbsd_readlabel (cxt, NULL, &xbsd_dlabel) == 0) if (xbsd_create_disklabel (cxt) == 0) exit ( EXIT_SUCCESS ); #endif while (1) { putchar ('\n'); switch (tolower (read_char (_("BSD disklabel command (m for help): ")))) { case 'd': xbsd_delete_part(cxt, xbsd_get_part_index(xbsd_dlabel.d_npartitions)); break; case 'e': xbsd_edit_disklabel (); break; case 'i': xbsd_write_bootstrap (cxt); break; case 'l': list_partition_types (cxt); break; case 'n': xbsd_add_part (cxt, 0, 0); break; case 'p': xbsd_print_disklabel (cxt, 0); break; case 'q': close (cxt->dev_fd); exit ( EXIT_SUCCESS ); case 'r': return; case 's': xbsd_print_disklabel (cxt, 1); break; case 't': xbsd_change_fstype (cxt); break; case 'u': change_units(cxt); break; case 'w': xbsd_write_disklabel (cxt); break; #if !defined (__alpha__) case 'x': xbsd_link_part (cxt); break; #endif default: print_menu(MAIN_MENU); break; } } } static int xbsd_delete_part(struct fdisk_context *cxt __attribute__((__unused__)), int partnum) { xbsd_dlabel.d_partitions[partnum].p_size = 0; xbsd_dlabel.d_partitions[partnum].p_offset = 0; xbsd_dlabel.d_partitions[partnum].p_fstype = BSD_FS_UNUSED; if (xbsd_dlabel.d_npartitions == partnum + 1) while (!xbsd_dlabel.d_partitions[xbsd_dlabel.d_npartitions-1].p_size) xbsd_dlabel.d_npartitions--; return 0; } void xbsd_print_disklabel (struct fdisk_context *cxt, int show_all) { struct xbsd_disklabel *lp = &xbsd_dlabel; struct xbsd_partition *pp; FILE *f = stdout; int i, j; if (show_all) { #if defined (__alpha__) fprintf(f, "# %s:\n", cxt->dev_path); #else fprintf(f, "# %s:\n", partname(cxt->dev_path, xbsd_part_index+1, 0)); #endif if ((unsigned) lp->d_type < BSD_DKMAXTYPES) fprintf(f, _("type: %s\n"), xbsd_dktypenames[lp->d_type]); else fprintf(f, _("type: %d\n"), lp->d_type); fprintf(f, _("disk: %.*s\n"), (int) sizeof(lp->d_typename), lp->d_typename); fprintf(f, _("label: %.*s\n"), (int) sizeof(lp->d_packname), lp->d_packname); fprintf(f, _("flags:")); if (lp->d_flags & BSD_D_REMOVABLE) fprintf(f, _(" removable")); if (lp->d_flags & BSD_D_ECC) fprintf(f, _(" ecc")); if (lp->d_flags & BSD_D_BADSECT) fprintf(f, _(" badsect")); fprintf(f, "\n"); /* On various machines the fields of *lp are short/int/long */ /* In order to avoid problems, we cast them all to long. */ fprintf(f, _("bytes/sector: %ld\n"), (long) lp->d_secsize); fprintf(f, _("sectors/track: %ld\n"), (long) lp->d_nsectors); fprintf(f, _("tracks/cylinder: %ld\n"), (long) lp->d_ntracks); fprintf(f, _("sectors/cylinder: %ld\n"), (long) lp->d_secpercyl); fprintf(f, _("cylinders: %ld\n"), (long) lp->d_ncylinders); fprintf(f, _("rpm: %d\n"), lp->d_rpm); fprintf(f, _("interleave: %d\n"), lp->d_interleave); fprintf(f, _("trackskew: %d\n"), lp->d_trackskew); fprintf(f, _("cylinderskew: %d\n"), lp->d_cylskew); fprintf(f, _("headswitch: %ld\t\t# milliseconds\n"), (long) lp->d_headswitch); fprintf(f, _("track-to-track seek: %ld\t# milliseconds\n"), (long) lp->d_trkseek); fprintf(f, _("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++) fprintf(f, "%ld ", (long) lp->d_drivedata[j]); } fprintf (f, _("\n%d partitions:\n"), lp->d_npartitions); fprintf (f, _("# 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) { fprintf(f, " %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 { fprintf(f, " %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) fprintf(f, "%8.8s", xbsd_fstypes[pp->p_fstype].name); else fprintf(f, "%8x", pp->p_fstype); switch (pp->p_fstype) { case BSD_FS_UNUSED: fprintf(f, " %5ld %5ld %5.5s ", (long) pp->p_fsize, (long) pp->p_fsize * pp->p_frag, ""); break; case BSD_FS_BSDFFS: fprintf(f, " %5ld %5ld %5d ", (long) pp->p_fsize, (long) pp->p_fsize * pp->p_frag, pp->p_cpg); break; default: fprintf(f, "%22.22s", ""); break; } fprintf(f, "\n"); } } } static int edit_int (int def, char *mesg) { do { fputs (mesg, stdout); printf (" (%d): ", def); if (!read_line (NULL)) 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 = (unsigned long) edit_int ((unsigned long) d -> d_secsize ,_("bytes/sector")); d -> d_nsectors = (unsigned long) edit_int ((unsigned long) d -> d_nsectors ,_("sectors/track")); d -> d_ntracks = (unsigned long) edit_int ((unsigned long) d -> d_ntracks ,_("tracks/cylinder")); d -> d_ncylinders = (unsigned long) edit_int ((unsigned long) d -> d_ncylinders ,_("cylinders")); #endif /* d -> d_secpercyl can be != d -> d_nsectors * d -> d_ntracks */ while (1) { d -> d_secpercyl = (unsigned long) edit_int ((unsigned 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 = (unsigned short) edit_int ((unsigned short) d -> d_rpm ,_("rpm")); d -> d_interleave = (unsigned short) edit_int ((unsigned short) d -> d_interleave,_("interleave")); d -> d_trackskew = (unsigned short) edit_int ((unsigned short) d -> d_trackskew ,_("trackskew")); d -> d_cylskew = (unsigned short) edit_int ((unsigned short) d -> d_cylskew ,_("cylinderskew")); d -> d_headswitch = (unsigned long) edit_int ((unsigned long) d -> d_headswitch ,_("headswitch")); d -> d_trkseek = (unsigned long) edit_int ((unsigned 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 fd; if ((fd = open (path, O_RDONLY)) < 0) { perror (path); return 0; } if (read (fd, ptr, size) < 0) { perror (path); close (fd); return 0; } printf (" ... %s\n", path); close (fd); return 1; } static void xbsd_write_bootstrap (struct fdisk_context *cxt) { char *bootdir = BSD_LINUX_BOOTDIR; char path[sizeof(BSD_LINUX_BOOTDIR) + 1 + 2 + 4]; /* BSD_LINUX_BOOTDIR + / + {sd,wd} + boot */ 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 (NULL)) { 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]; memmove (&dl, d, sizeof (struct xbsd_disklabel)); /* The disklabel will be overwritten by 0's from bootxx anyway */ memset (d, 0, 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 ); } memmove (d, &dl, sizeof (struct xbsd_disklabel)); #if defined (__powerpc__) || defined (__hppa__) sector = 0; #elif defined (__alpha__) sector = 0; alpha_bootblock_checksum (disklabelbuffer); #else sector = get_start_sect(xbsd_part); #endif if (lseek (cxt->dev_fd, (off_t) sector * SECTOR_SIZE, SEEK_SET) == -1) fatal (cxt, unable_to_seek); if (BSD_BBSIZE != write (cxt->dev_fd, disklabelbuffer, BSD_BBSIZE)) fatal (cxt, unable_to_write); #if defined (__alpha__) printf (_("Bootstrap installed on %s.\n"), cxt->dev_path); #else printf (_("Bootstrap installed on %s.\n"), partname (cxt->dev_path, xbsd_part_index+1, 0)); #endif sync_disks (); } /* TODO: remove this, use regular change_partition_type() in fdisk.c */ static void xbsd_change_fstype (struct fdisk_context *cxt) { int i; struct fdisk_parttype *t; i = xbsd_get_part_index (xbsd_dlabel.d_npartitions); t = read_partition_type(cxt); if (t) { xbsd_dlabel.d_partitions[i].p_fstype = t->type; fdisk_free_parttype(t); } } 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 unsigned short xbsd_dkcksum (struct xbsd_disklabel *lp) { unsigned short *start, *end; unsigned short sum = 0; start = (unsigned short *) lp; end = (unsigned short *) &lp->d_partitions[lp->d_npartitions]; while (start < end) sum ^= *start++; return sum; } static int xbsd_initlabel (struct fdisk_context *cxt, struct partition *p, struct xbsd_disklabel *d, int pindex __attribute__((__unused__))) { struct xbsd_partition *pp; memset (d, 0, sizeof (struct xbsd_disklabel)); d -> d_magic = BSD_DISKMAGIC; if (strncmp (cxt->dev_path, "/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 = cxt->geom.sectors; /* sectors/track */ d -> d_ntracks = cxt->geom.heads; /* tracks/cylinder (heads) */ d -> d_ncylinders = cxt->geom.cylinders; d -> d_secpercyl = cxt->geom.sectors * cxt->geom.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 fdisk_context *cxt, struct partition *p, struct xbsd_disklabel *d) { int t, sector; /* p is used only to get the starting sector */ #if !defined (__alpha__) sector = (p ? get_start_sect(p) : 0); #elif defined (__alpha__) sector = 0; #endif if (lseek (cxt->dev_fd, (off_t) sector * SECTOR_SIZE, SEEK_SET) == -1) fatal (cxt, unable_to_seek); if (BSD_BBSIZE != read (cxt->dev_fd, disklabelbuffer, BSD_BBSIZE)) fatal (cxt, unable_to_read); memmove (d, &disklabelbuffer[BSD_LABELSECTOR * SECTOR_SIZE + BSD_LABELOFFSET], 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 fdisk_context *cxt, 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. */ memmove (&disklabelbuffer[BSD_LABELSECTOR * SECTOR_SIZE + BSD_LABELOFFSET], d, sizeof (struct xbsd_disklabel)); #if defined (__alpha__) && BSD_LABELSECTOR == 0 alpha_bootblock_checksum (disklabelbuffer); if (lseek (cxt->dev_fd, (off_t) 0, SEEK_SET) == -1) fatal (cxt, unable_to_seek); if (BSD_BBSIZE != write (cxt->dev_fd, disklabelbuffer, BSD_BBSIZE)) fatal (cxt, unable_to_write); #else if (lseek (cxt->dev_fd, (off_t) sector * SECTOR_SIZE + BSD_LABELOFFSET, SEEK_SET) == -1) fatal (cxt, unable_to_seek); if (sizeof (struct xbsd_disklabel) != write (cxt->dev_fd, d, sizeof (struct xbsd_disklabel))) fatal (cxt, unable_to_write); #endif sync_disks (); return 1; } static void sync_disks (void) { printf (_("\nSyncing disks.\n")); sync (); sleep (4); } #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 (struct fdisk_context *cxt) { int k, i; struct partition *p; k = get_partition (cxt, 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 u_int64_t; #endif void alpha_bootblock_checksum (char *boot) { u_int64_t *dp, sum; int i; dp = (u_int64_t *)boot; sum = 0; for (i = 0; i < 63; i++) sum += dp[i]; dp[63] = sum; } #endif /* __alpha__ */ static struct fdisk_parttype *xbsd_get_parttype(struct fdisk_context *cxt, int n) { struct fdisk_parttype *t; if (n >= xbsd_dlabel.d_npartitions) return NULL; t = fdisk_get_parttype_from_code(cxt, xbsd_dlabel.d_partitions[n].p_fstype); if (!t) t = fdisk_new_unknown_parttype(xbsd_dlabel.d_partitions[n].p_fstype, NULL); return t; } static int xbsd_set_parttype(struct fdisk_context *cxt, int partnum, struct fdisk_parttype *t) { struct xbsd_partition *p; if (partnum >= xbsd_dlabel.d_npartitions || !t || t->type > UINT8_MAX) return -EINVAL; p = &xbsd_dlabel.d_partitions[partnum]; if (t->type == p->p_fstype) return 0; p->p_fstype = t->type; return 0; } const struct fdisk_label bsd_label = { .name = "bsd", .parttypes = xbsd_fstypes, .nparttypes = ARRAY_SIZE(xbsd_fstypes), .probe = osf_probe_label, .write = xbsd_write_disklabel, .verify = NULL, .create = xbsd_create_disklabel, .part_add = xbsd_add_part, .part_delete = xbsd_delete_part, .part_get_type = xbsd_get_parttype, .part_set_type = xbsd_set_parttype, };