void list_disk_geometry(struct fdisk_context *cxt) { char *id = NULL; struct fdisk_label *lb = fdisk_get_label(cxt, NULL); uint64_t bytes = fdisk_get_nsectors(cxt) * fdisk_get_sector_size(cxt); char *strsz = size_to_human_string(SIZE_SUFFIX_SPACE | SIZE_SUFFIX_3LETTER, bytes); color_scheme_enable("header", UL_COLOR_BOLD); fdisk_info(cxt, _("Disk %s: %s, %ju bytes, %ju sectors"), fdisk_get_devname(cxt), strsz, bytes, (uintmax_t) fdisk_get_nsectors(cxt)); color_disable(); free(strsz); if (lb && (fdisk_label_require_geometry(lb) || fdisk_use_cylinders(cxt))) fdisk_info(cxt, _("Geometry: %d heads, %llu sectors/track, %llu cylinders"), fdisk_get_geom_heads(cxt), fdisk_get_geom_sectors(cxt), fdisk_get_geom_cylinders(cxt)); fdisk_info(cxt, _("Units: %s of %d * %ld = %ld bytes"), fdisk_get_unit(cxt, FDISK_PLURAL), fdisk_get_units_per_sector(cxt), fdisk_get_sector_size(cxt), fdisk_get_units_per_sector(cxt) * fdisk_get_sector_size(cxt)); fdisk_info(cxt, _("Sector size (logical/physical): %lu bytes / %lu bytes"), fdisk_get_sector_size(cxt), fdisk_get_physector_size(cxt)); fdisk_info(cxt, _("I/O size (minimum/optimal): %lu bytes / %lu bytes"), fdisk_get_minimal_iosize(cxt), fdisk_get_optimal_iosize(cxt)); if (fdisk_get_alignment_offset(cxt)) fdisk_info(cxt, _("Alignment offset: %lu bytes"), fdisk_get_alignment_offset(cxt)); if (fdisk_has_label(cxt)) fdisk_info(cxt, _("Disklabel type: %s"), fdisk_label_get_name(lb)); if (fdisk_get_disklabel_id(cxt, &id) == 0 && id) fdisk_info(cxt, _("Disk identifier: %s"), id); }
static int sun_add_partition( struct fdisk_context *cxt, struct fdisk_partition *pa, size_t *partno) { struct sun_disklabel *sunlabel = self_disklabel(cxt); uint32_t starts[SUN_MAXPARTITIONS], lens[SUN_MAXPARTITIONS]; struct sun_partition *part; struct sun_info *info; uint32_t start, stop, stop2; int whole_disk = 0; int sys = pa && pa->type ? pa->type->code : SUN_TAG_LINUX_NATIVE; int rc; size_t n; char mesg[256]; size_t i; unsigned int first, last; rc = fdisk_partition_next_partno(pa, cxt, &n); if (rc) return rc; part = &sunlabel->partitions[n]; info = &sunlabel->vtoc.infos[n]; if (part->num_sectors && be16_to_cpu(info->id) != SUN_TAG_UNASSIGNED) { fdisk_info(cxt, _("Partition %zu is already defined. Delete " "it before re-adding it."), n + 1); return -EINVAL; } fetch_sun(cxt, starts, lens, &start, &stop); if (stop <= start) { if (n == 2) whole_disk = 1; else { fdisk_info(cxt, _("Other partitions already cover the " "whole disk. Delete some/shrink them before retry.")); return -EINVAL; } } if (pa && pa->start_follow_default) first = start; else if (pa && fdisk_partition_has_start(pa)) { first = pa->start; if (!whole_disk && !is_free_sector(cxt, first, starts, lens)) return -ERANGE; } else { struct fdisk_ask *ask; snprintf(mesg, sizeof(mesg), _("First %s"), fdisk_get_unit(cxt, FDISK_SINGULAR)); for (;;) { ask = fdisk_new_ask(); if (!ask) return -ENOMEM; fdisk_ask_set_query(ask, mesg); fdisk_ask_set_type(ask, FDISK_ASKTYPE_NUMBER); if (whole_disk) { fdisk_ask_number_set_low(ask, 0); /* minimal */ fdisk_ask_number_set_default(ask, 0); /* default */ fdisk_ask_number_set_high(ask, 0); /* maximal */ } else { fdisk_ask_number_set_low(ask, fdisk_scround(cxt, start)); /* minimal */ fdisk_ask_number_set_default(ask, fdisk_scround(cxt, start)); /* default */ fdisk_ask_number_set_high(ask, fdisk_scround(cxt, stop)); /* maximal */ } rc = fdisk_do_ask(cxt, ask); first = fdisk_ask_number_get_result(ask); fdisk_unref_ask(ask); if (rc) return rc; if (fdisk_use_cylinders(cxt)) first *= fdisk_get_units_per_sector(cxt); /* ewt asks to add: "don't start a partition at cyl 0" However, [email protected] 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. */ if (!is_free_sector(cxt, first, starts, lens) && !whole_disk) { if (n == 2 && !first) { whole_disk = 1; break; } fdisk_warnx(cxt, _("Sector %d is already allocated"), first); } else break; } } if (n == 2 && first != 0) fdisk_warnx(cxt, _("It is highly recommended that the " "third partition covers the whole disk " "and is of type `Whole disk'")); if (!fdisk_use_cylinders(cxt)) { /* Starting sector has to be properly aligned */ int cs = cxt->geom.heads * cxt->geom.sectors; int x = first % cs; if (x) { fdisk_info(cxt, _("Aligning the first sector from %u to %u " "to be on cylinder boundary."), first, first + cs - x); first += cs - x; } } stop = cxt->geom.cylinders * cxt->geom.heads * cxt->geom.sectors; /* ancient */ stop2 = stop; for (i = 0; i < cxt->label->nparts_max; i++) { if (starts[i] > first && starts[i] < stop) stop = starts[i]; } /* last */ if (pa && pa->end_follow_default) last = whole_disk || (n == 2 && !first) ? stop2 : stop; else if (pa && fdisk_partition_has_size(pa)) { last = first + pa->size - 1ULL; if (!whole_disk && last > stop) return -ERANGE; } else { struct fdisk_ask *ask = fdisk_new_ask(); if (!ask) return -ENOMEM; snprintf(mesg, sizeof(mesg), _("Last %s or +%s or +size{K,M,G,T,P}"), fdisk_get_unit(cxt, FDISK_SINGULAR), fdisk_get_unit(cxt, FDISK_PLURAL)); fdisk_ask_set_query(ask, mesg); fdisk_ask_set_type(ask, FDISK_ASKTYPE_OFFSET); if (whole_disk) { fdisk_ask_number_set_low(ask, fdisk_scround(cxt, stop2)); /* minimal */ fdisk_ask_number_set_default(ask, fdisk_scround(cxt, stop2)); /* default */ fdisk_ask_number_set_high(ask, fdisk_scround(cxt, stop2)); /* maximal */ fdisk_ask_number_set_base(ask, 0); } else if (n == 2 && !first) { fdisk_ask_number_set_low(ask, fdisk_scround(cxt, first)); /* minimal */ fdisk_ask_number_set_default(ask, fdisk_scround(cxt, stop2)); /* default */ fdisk_ask_number_set_high(ask, fdisk_scround(cxt, stop2)); /* maximal */ fdisk_ask_number_set_base(ask, fdisk_scround(cxt, first)); } else { fdisk_ask_number_set_low(ask, fdisk_scround(cxt, first)); /* minimal */ fdisk_ask_number_set_default(ask, fdisk_scround(cxt, stop)); /* default */ fdisk_ask_number_set_high(ask, fdisk_scround(cxt, stop)); /* maximal */ fdisk_ask_number_set_base(ask, fdisk_scround(cxt, first)); } if (fdisk_use_cylinders(cxt)) fdisk_ask_number_set_unit(ask, cxt->sector_size * fdisk_get_units_per_sector(cxt)); else fdisk_ask_number_set_unit(ask, cxt->sector_size); rc = fdisk_do_ask(cxt, ask); last = fdisk_ask_number_get_result(ask); fdisk_unref_ask(ask); if (rc) return rc; if (fdisk_use_cylinders(cxt)) last *= fdisk_get_units_per_sector(cxt); } if (n == 2 && !first) { if (last >= stop2) { whole_disk = 1; last = stop2; } else if (last > stop) { fdisk_warnx(cxt, _("You haven't covered the whole disk with the 3rd partition, but your value\n" "%lu %s covers some other partition. Your entry has been changed\n" "to %lu %s"), (unsigned long) fdisk_scround(cxt, last), fdisk_get_unit(cxt, FDISK_SINGULAR), (unsigned long) fdisk_scround(cxt, stop), fdisk_get_unit(cxt, FDISK_SINGULAR)); last = stop; } } else if (!whole_disk && last > stop) last = stop; if (whole_disk) sys = SUN_TAG_WHOLEDISK; set_partition(cxt, n, first, last, sys); cxt->label->nparts_cur = count_used_partitions(cxt); if (partno) *partno = n; return 0; }
void list_freespace(struct fdisk_context *cxt) { struct fdisk_table *tb = NULL; struct fdisk_partition *pa = NULL; struct fdisk_iter *itr = NULL; struct libscols_table *out = NULL; const char *bold = NULL; size_t i; uintmax_t sumsize = 0, bytes = 0; char *strsz; static const char *colnames[] = { N_("Start"), N_("End"), N_("Sectors"), N_("Size") }; static const int colids[] = { FDISK_FIELD_START, FDISK_FIELD_END, FDISK_FIELD_SECTORS, FDISK_FIELD_SIZE }; if (fdisk_get_freespaces(cxt, &tb)) goto done; itr = fdisk_new_iter(FDISK_ITER_FORWARD); if (!itr) { fdisk_warn(cxt, _("failed to allocate iterator")); goto done; } out = scols_new_table(); if (!out) { fdisk_warn(cxt, _("failed to allocate output table")); goto done; } if (colors_wanted()) { scols_table_enable_colors(out, 1); bold = color_scheme_get_sequence("header", UL_COLOR_BOLD); } for (i = 0; i < ARRAY_SIZE(colnames); i++) { struct libscols_column *co = scols_table_new_column(out, _(colnames[i]), 5, SCOLS_FL_RIGHT); if (!co) goto done; if (bold) scols_cell_set_color(scols_column_get_header(co), bold); } /* fill-in output table */ while (fdisk_table_next_partition(tb, itr, &pa) == 0) { struct libscols_line *ln = scols_table_new_line(out, NULL); char *data; if (!ln) { fdisk_warn(cxt, _("failed to allocate output line")); goto done; } for (i = 0; i < ARRAY_SIZE(colids); i++) { if (fdisk_partition_to_string(pa, cxt, colids[i], &data)) continue; scols_line_refer_data(ln, i, data); } if (fdisk_partition_has_size(pa)) sumsize += fdisk_partition_get_size(pa); } bytes = sumsize * fdisk_get_sector_size(cxt); strsz = size_to_human_string(SIZE_SUFFIX_SPACE | SIZE_SUFFIX_3LETTER, bytes); color_scheme_enable("header", UL_COLOR_BOLD); fdisk_info(cxt, _("Unpartitioned space %s: %s, %ju bytes, %ju sectors"), fdisk_get_devname(cxt), strsz, bytes, sumsize); color_disable(); free(strsz); fdisk_info(cxt, _("Units: %s of %d * %ld = %ld bytes"), fdisk_get_unit(cxt, FDISK_PLURAL), fdisk_get_units_per_sector(cxt), fdisk_get_sector_size(cxt), fdisk_get_units_per_sector(cxt) * fdisk_get_sector_size(cxt)); fdisk_info(cxt, _("Sector size (logical/physical): %lu bytes / %lu bytes"), fdisk_get_sector_size(cxt), fdisk_get_physector_size(cxt)); /* print */ if (!scols_table_is_empty(out)) { fdisk_info(cxt, ""); /* line break */ scols_print_table(out); } done: scols_unref_table(out); fdisk_unref_table(tb); fdisk_free_iter(itr); }
static int sgi_add_partition(struct fdisk_context *cxt, struct fdisk_partition *pa, size_t *partno) { struct fdisk_sgi_label *sgi; char mesg[256]; unsigned int first = 0, last = 0; struct fdisk_ask *ask; int sys = pa && pa->type ? pa->type->code : SGI_TYPE_XFS; int rc; size_t n; assert(cxt); assert(cxt->label); assert(fdisk_is_label(cxt, SGI)); rc = fdisk_partition_next_partno(pa, cxt, &n); if (rc) return rc; if (n == 10) sys = SGI_TYPE_ENTIRE_DISK; else if (n == 8) sys = 0; sgi = self_label(cxt); if (sgi_get_num_sectors(cxt, n)) { fdisk_warnx(cxt, _("Partition %zu is already defined. " "Delete it before re-adding it."), n + 1); return -EINVAL; } if (!cxt->script && sgi_entire(cxt) == -1 && sys != SGI_TYPE_ENTIRE_DISK) { fdisk_info(cxt, _("Attempting to generate entire disk entry automatically.")); sgi_set_entire(cxt); sgi_set_volhdr(cxt); } if (sgi_gaps(cxt) == 0 && sys != SGI_TYPE_ENTIRE_DISK) { fdisk_warnx(cxt, _("The entire disk is already covered with partitions.")); return -EINVAL; } if (sgi_gaps(cxt) < 0) { fdisk_warnx(cxt, _("You got a partition overlap on the disk. Fix it first!")); return -EINVAL; } if (sys == SGI_TYPE_ENTIRE_DISK) { first = 0; last = sgi_get_lastblock(cxt); } else { first = sgi->freelist[0].first; last = sgi->freelist[0].last; } /* first sector */ if (pa && pa->start_follow_default) ; else if (pa && fdisk_partition_has_start(pa)) { first = pa->start; last = is_in_freelist(cxt, first); if (sys != SGI_TYPE_ENTIRE_DISK && !last) return -ERANGE; } else { snprintf(mesg, sizeof(mesg), _("First %s"), fdisk_get_unit(cxt, FDISK_SINGULAR)); ask = fdisk_new_ask(); if (!ask) return -ENOMEM; fdisk_ask_set_query(ask, mesg); fdisk_ask_set_type(ask, FDISK_ASKTYPE_NUMBER); fdisk_ask_number_set_low(ask, fdisk_scround(cxt, first)); /* minimal */ fdisk_ask_number_set_default(ask, fdisk_scround(cxt, first)); /* default */ fdisk_ask_number_set_high(ask, fdisk_scround(cxt, last) - 1); /* maximal */ rc = fdisk_do_ask(cxt, ask); first = fdisk_ask_number_get_result(ask); fdisk_unref_ask(ask); if (rc) return rc; if (fdisk_use_cylinders(cxt)) first *= fdisk_get_units_per_sector(cxt); } if (first && sys == SGI_TYPE_ENTIRE_DISK) fdisk_info(cxt, _("It is highly recommended that the " "eleventh partition covers the entire " "disk and is of type 'SGI volume'.")); if (!last) last = is_in_freelist(cxt, first); /* last sector */ if (pa && pa->end_follow_default) last -= 1ULL; else if (pa && fdisk_partition_has_size(pa)) { if (first + pa->size - 1ULL > last) return -ERANGE; last = first + pa->size - 1ULL; } else { snprintf(mesg, sizeof(mesg), _("Last %s or +%s or +size{K,M,G,T,P}"), fdisk_get_unit(cxt, FDISK_SINGULAR), fdisk_get_unit(cxt, FDISK_PLURAL)); ask = fdisk_new_ask(); if (!ask) return -ENOMEM; fdisk_ask_set_query(ask, mesg); fdisk_ask_set_type(ask, FDISK_ASKTYPE_OFFSET); fdisk_ask_number_set_low(ask, fdisk_scround(cxt, first)); /* minimal */ fdisk_ask_number_set_default(ask, fdisk_scround(cxt, last) - 1);/* default */ fdisk_ask_number_set_high(ask, fdisk_scround(cxt, last) - 1);/* maximal */ fdisk_ask_number_set_base(ask, fdisk_scround(cxt, first)); if (fdisk_use_cylinders(cxt)) fdisk_ask_number_set_unit(ask, cxt->sector_size * fdisk_get_units_per_sector(cxt)); else fdisk_ask_number_set_unit(ask,cxt->sector_size); rc = fdisk_do_ask(cxt, ask); last = fdisk_ask_number_get_result(ask) + 1; fdisk_unref_ask(ask); if (rc) return rc; if (fdisk_use_cylinders(cxt)) last *= fdisk_get_units_per_sector(cxt); } if (sys == SGI_TYPE_ENTIRE_DISK && (first != 0 || last != sgi_get_lastblock(cxt))) fdisk_info(cxt, _("It is highly recommended that the " "eleventh partition covers the entire " "disk and is of type 'SGI volume'.")); set_partition(cxt, n, first, last - first, sys); cxt->label->nparts_cur = count_used_partitions(cxt); if (partno) *partno = n; return 0; }