void list_disk_geometry(struct fdisk_context *cxt)
{
char *id = NULL;
uint64_t bytes = cxt->total_sectors * cxt->sector_size;
char *strsz = size_to_human_string(SIZE_SUFFIX_SPACE
| SIZE_SUFFIX_3LETTER, bytes);
fdisk_colon(cxt, _("Disk %s: %s, %ju bytes, %ju sectors"),
cxt->dev_path, strsz,
bytes, (uintmax_t) cxt->total_sectors);
free(strsz);
if (fdisk_require_geometry(cxt) || fdisk_context_use_cylinders(cxt))
fdisk_colon(cxt, _("Geometry: %d heads, %llu sectors/track, %llu cylinders"),
cxt->geom.heads, cxt->geom.sectors, cxt->geom.cylinders);
fdisk_colon(cxt, _("Units: %s of %d * %ld = %ld bytes"),
fdisk_context_get_unit(cxt, PLURAL),
fdisk_context_get_units_per_sector(cxt),
cxt->sector_size,
fdisk_context_get_units_per_sector(cxt) * cxt->sector_size);
fdisk_colon(cxt, _("Sector size (logical/physical): %lu bytes / %lu bytes"),
cxt->sector_size, cxt->phy_sector_size);
fdisk_colon(cxt, _("I/O size (minimum/optimal): %lu bytes / %lu bytes"),
cxt->min_io_size, cxt->io_size);
if (cxt->alignment_offset)
fdisk_colon(cxt, _("Alignment offset: %lu bytes"),
cxt->alignment_offset);
if (fdisk_dev_has_disklabel(cxt))
fdisk_colon(cxt, _("Disklabel type: %s"), cxt->label->name);
if (fdisk_get_disklabel_id(cxt, &id) == 0 && id)
fdisk_colon(cxt, _("Disk identifier: %s"), id);
}
const char *fdisk_context_get_unit(struct fdisk_context *cxt, int n)
{
assert(cxt);
if (fdisk_context_use_cylinders(cxt))
return P_("cylinder", "cylinders", n);
return P_("sector", "sectors", n);
}
/* Returns number of "units" per sector, default is 1 if display unit is sector.
*/
unsigned int fdisk_context_get_units_per_sector(struct fdisk_context *cxt)
{
assert(cxt);
if (fdisk_context_use_cylinders(cxt)) {
assert(cxt->geom.heads);
return cxt->geom.heads * cxt->geom.sectors;
}
return 1;
}
/**
* fdisk_get_columns:
* @cxt: fdisk context
* @all: 1 or 0
* @cols: returns allocated array with FDISK_COL_* IDs
* @ncols: returns number of items in cols
*
* This function returns the default or all columns for the current label. The
* library uses the columns for list operations (see fdisk_list_disklabel() and
* fdisk_list_partitions()). Note that the set of the default columns depends
* on fdisk_context_enable_details() function. If the details are eanable then
* this function usually returns more columns.
*
* Returns 0 on success, otherwise, a corresponding error.
*/
int fdisk_get_columns(struct fdisk_context *cxt, int all, int **cols, size_t *ncols)
{
size_t i, n;
int *c;
assert(cxt);
if (!cxt->label)
return -EINVAL;
if (!cxt->label->columns || !cxt->label->ncolumns)
return -ENOSYS;
c = calloc(cxt->label->ncolumns, sizeof(int));
if (!c)
return -ENOMEM;
for (n = 0, i = 0; i < cxt->label->ncolumns; i++) {
int id = cxt->label->columns[i].id;
if (!all &&
((fdisk_context_display_details(cxt) &&
(cxt->label->columns[i].flags & FDISK_COLFL_EYECANDY))
|| (!fdisk_context_display_details(cxt) &&
(cxt->label->columns[i].flags & FDISK_COLFL_DETAIL))
|| (id == FDISK_COL_SECTORS &&
fdisk_context_use_cylinders(cxt))
|| (id == FDISK_COL_CYLINDERS &&
!fdisk_context_use_cylinders(cxt))))
continue;
c[n++] = id;
}
if (cols)
*cols = c;
if (ncols)
*ncols = n;
return 0;
}
static int bsd_get_partition(struct fdisk_context *cxt, size_t n,
struct fdisk_partition *pa)
{
struct bsd_partition *p;
struct bsd_disklabel *d = self_disklabel(cxt);
assert(cxt);
assert(cxt->label);
assert(fdisk_is_disklabel(cxt, BSD));
if (n >= d->d_npartitions)
return -EINVAL;
p = &d->d_partitions[n];
pa->used = p->p_size ? 1 : 0;
if (!pa->used)
return 0;
if (fdisk_context_use_cylinders(cxt) && d->d_secpercyl) {
pa->start_post = p->p_offset % d->d_secpercyl ? '*' : ' ';
pa->end_post = (p->p_offset + p->p_size) % d->d_secpercyl ? '*' : ' ';
}
pa->start = p->p_offset;
pa->end = p->p_offset + p->p_size - 1;
pa->size = p->p_size;
pa->type = bsd_partition_parttype(cxt, p);
if (p->p_fstype == BSD_FS_UNUSED || p->p_fstype == BSD_FS_BSDFFS) {
pa->fsize = p->p_fsize;
pa->bsize = p->p_fsize * p->p_frag;
}
if (p->p_fstype == BSD_FS_BSDFFS)
pa->cpg = p->p_cpg;
return 0;
}
static int bsd_add_partition(struct fdisk_context *cxt,
struct fdisk_partition *pa)
{
struct fdisk_bsd_label *l = self_label(cxt);
struct bsd_disklabel *d = self_disklabel(cxt);
size_t i;
unsigned int begin = 0, end;
int rc = 0;
rc = fdisk_partition_next_partno(pa, cxt, &i);
if (rc)
return rc;
if (i >= BSD_MAXPARTITIONS)
return -ERANGE;
if (l->dos_part) {
begin = dos_partition_get_start(l->dos_part);
end = begin + dos_partition_get_size(l->dos_part) - 1;
} else
end = d->d_secperunit - 1;
/*
* First sector
*/
if (pa && pa->start_follow_default)
;
else if (pa && pa->start) {
if (pa->start < begin || pa->start > end)
return -ERANGE;
begin = pa->start;
} else {
struct fdisk_ask *ask = fdisk_new_ask();
if (!ask)
return -ENOMEM;
fdisk_ask_set_query(ask,
fdisk_context_use_cylinders(cxt) ?
_("First cylinder") : _("First sector"));
fdisk_ask_set_type(ask, FDISK_ASKTYPE_NUMBER);
fdisk_ask_number_set_low(ask, fdisk_cround(cxt, begin));
fdisk_ask_number_set_default(ask, fdisk_cround(cxt, begin));
fdisk_ask_number_set_high(ask, fdisk_cround(cxt, end));
rc = fdisk_do_ask(cxt, ask);
begin = fdisk_ask_number_get_result(ask);
fdisk_free_ask(ask);
if (rc)
return rc;
if (fdisk_context_use_cylinders(cxt))
begin = (begin - 1) * d->d_secpercyl;
}
/*
* Last sector
*/
if (pa && pa->end_follow_default)
;
else if (pa && pa->size) {
if (begin + pa->size > end)
return -ERANGE;
end = begin + pa->size;
} else {
/* ask user by dialog */
struct fdisk_ask *ask = fdisk_new_ask();
if (!ask)
return -ENOMEM;
fdisk_ask_set_type(ask, FDISK_ASKTYPE_OFFSET);
if (fdisk_context_use_cylinders(cxt)) {
fdisk_ask_set_query(ask, _("Last cylinder, +cylinders or +size{K,M,G,T,P}"));
fdisk_ask_number_set_unit(ask,
cxt->sector_size *
fdisk_context_get_units_per_sector(cxt));
} else {
fdisk_ask_set_query(ask, _("Last sector, +sectors or +size{K,M,G,T,P}"));
fdisk_ask_number_set_unit(ask,cxt->sector_size);
}
fdisk_ask_number_set_low(ask, fdisk_cround(cxt, begin));
fdisk_ask_number_set_default(ask, fdisk_cround(cxt, end));
fdisk_ask_number_set_high(ask, fdisk_cround(cxt, end));
fdisk_ask_number_set_base(ask, fdisk_cround(cxt, begin));
rc = fdisk_do_ask(cxt, ask);
end = fdisk_ask_number_get_result(ask);
fdisk_free_ask(ask);
if (rc)
return rc;
if (fdisk_context_use_cylinders(cxt))
end = end * d->d_secpercyl - 1;
}
d->d_partitions[i].p_size = end - begin + 1;
d->d_partitions[i].p_offset = begin;
d->d_partitions[i].p_fstype = BSD_FS_UNUSED;
if (i >= d->d_npartitions)
d->d_npartitions = i + 1;
cxt->label->nparts_cur = d->d_npartitions;
if (pa && pa->type)
bsd_set_parttype(cxt, i, pa->type);
fdisk_label_set_changed(cxt->label, 1);
return 0;
}
static int sgi_add_partition(struct fdisk_context *cxt,
size_t n,
struct fdisk_parttype *t)
{
struct fdisk_sgi_label *sgi;
char mesg[256];
unsigned int first = 0, last = 0;
struct fdisk_ask *ask;
int sys = t ? t->type : SGI_TYPE_XFS;
int rc;
assert(cxt);
assert(cxt->label);
assert(fdisk_is_disklabel(cxt, SGI));
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 %zd is already defined. Delete "
"it before re-adding it."), n + 1);
return -EINVAL;
}
if (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;
}
snprintf(mesg, sizeof(mesg), _("First %s"),
fdisk_context_get_unit(cxt, 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 (sys == SGI_TYPE_ENTIRE_DISK) {
last = sgi_get_lastblock(cxt);
fdisk_ask_number_set_low(ask, 0); /* minimal */
fdisk_ask_number_set_default(ask, 0); /* default */
fdisk_ask_number_set_high(ask, last - 1); /* maximal */
} else {
first = sgi->freelist[0].first;
last = sgi->freelist[0].last;
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_free_ask(ask);
if (rc)
return rc;
if (first && sys == SGI_TYPE_ENTIRE_DISK)
fdisk_info(cxt, _("It is highly recommended that "
"eleventh partition covers the entire "
"disk and is of type `SGI volume'"));
if (fdisk_context_use_cylinders(cxt))
first *= fdisk_context_get_units_per_sector(cxt);
/*else
first = first; * align to cylinder if you know how ... */
if (!last)
last = is_in_freelist(cxt, first);
if (last == 0)
fdisk_warnx(cxt, _("You will get a partition overlap "
"on the disk. Fix it first!"));
else
break;
}
snprintf(mesg, sizeof(mesg),
_("Last %s or +%s or +size{K,M,G,T,P}"),
fdisk_context_get_unit(cxt, SINGULAR),
fdisk_context_get_unit(cxt, 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_context_use_cylinders(cxt))
fdisk_ask_number_set_unit(ask,
cxt->sector_size *
fdisk_context_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_free_ask(ask);
if (rc)
return rc;
if (fdisk_context_use_cylinders(cxt))
last *= fdisk_context_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 eleventh "
"partition covers the entire disk and is of type "
"`SGI volume'"));
sgi_set_partition(cxt, n, first, last - first, sys);
cxt->label->nparts_cur = count_used_partitions(cxt);
return 0;
}
static int sun_add_partition(
struct fdisk_context *cxt,
size_t n,
struct fdisk_parttype *t)
{
struct sun_disklabel *sunlabel = self_disklabel(cxt);
uint32_t starts[SUN_MAXPARTITIONS], lens[SUN_MAXPARTITIONS];
struct sun_partition *part = &sunlabel->partitions[n];
struct sun_info *info = &sunlabel->vtoc.infos[n];
uint32_t start, stop, stop2;
int whole_disk = 0, sys = t ? t->type : SUN_TAG_LINUX_NATIVE;
struct fdisk_ask *ask;
int rc;
char mesg[256];
size_t i;
unsigned int first, last;
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;
}
}
snprintf(mesg, sizeof(mesg), _("First %s"),
fdisk_context_get_unit(cxt, 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_free_ask(ask);
if (rc)
return rc;
if (fdisk_context_use_cylinders(cxt))
first *= fdisk_context_get_units_per_sector(cxt);
else {
/* 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;
}
}
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'"));
/* 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. */
for (i = 0; i < cxt->label->nparts_max; i++)
if (lens[i] && starts[i] <= first
&& starts[i] + lens[i] > first)
break;
if (i < cxt->label->nparts_max && !whole_disk) {
if (n == 2 && !first) {
whole_disk = 1;
break;
}
fdisk_warnx(cxt, _("Sector %d is already allocated"), first);
} else
break;
}
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];
}
snprintf(mesg, sizeof(mesg),
_("Last %s or +%s or +size{K,M,G,T,P}"),
fdisk_context_get_unit(cxt, SINGULAR),
fdisk_context_get_unit(cxt, PLURAL));
ask = fdisk_new_ask();
if (!ask)
return -ENOMEM;
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_context_use_cylinders(cxt))
fdisk_ask_number_set_unit(ask,
cxt->sector_size *
fdisk_context_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_free_ask(ask);
if (rc)
return rc;
if (fdisk_context_use_cylinders(cxt))
last *= fdisk_context_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_context_get_unit(cxt, SINGULAR),
(unsigned long) fdisk_scround(cxt, stop), fdisk_context_get_unit(cxt, SINGULAR));
last = stop;
}
} else if (!whole_disk && last > stop)
last = stop;
if (whole_disk)
sys = SUN_TAG_WHOLEDISK;
set_sun_partition(cxt, n, first, last, sys);
cxt->label->nparts_cur = count_used_partitions(cxt);
return 0;
}