int main(int argc, char* argv[])
{
PedDevice* device;
PedDisk* disk;
if(argc != 2)
error(EXIT_FAILURE, 0, "wrong number of argument");
device = ped_device_get(argv[1]);
if(device == NULL)
error(EXIT_FAILURE, 0, "error getting the device");
disk = ped_disk_new(device);
if(disk == NULL)
{
ped_device_destroy(device);
error(EXIT_FAILURE, 0, "error getting the disk");
}
ped_disk_delete_all(disk);
ped_disk_commit(disk);
ped_disk_destroy(disk);
ped_device_destroy(device);
return 0;
}
static int
pc98_read (PedDisk* disk)
{
PED_ASSERT (disk != NULL);
PED_ASSERT (disk->dev != NULL);
ped_disk_delete_all (disk);
return read_table (disk);
}
static int
aix_read (PedDisk* disk)
{
ped_disk_delete_all (disk);
ped_exception_throw (PED_EXCEPTION_NO_FEATURE,
PED_EXCEPTION_CANCEL,
_("Support for reading AIX disk labels is "
"is not implemented yet."));
return 0;
}
static int
loop_read (PedDisk* disk)
{
PedDevice* dev = NULL;
PedGeometry* geom;
PedFileSystemType* fs_type;
PedPartition* part;
PedConstraint* constraint_any;
PED_ASSERT (disk != NULL);
dev = disk->dev;
constraint_any = ped_constraint_any (dev);
ped_disk_delete_all (disk);
void *buf;
if (!ptt_read_sector (dev, 0, &buf))
goto error;
int found_sig = !strncmp (buf, LOOP_SIGNATURE, strlen (LOOP_SIGNATURE));
free (buf);
if (found_sig) {
ped_constraint_destroy (constraint_any);
return 1;
}
geom = ped_geometry_new (dev, 0, dev->length);
if (!geom)
goto error;
fs_type = ped_file_system_probe (geom);
if (!fs_type)
goto error_free_geom;
part = ped_partition_new (disk, PED_PARTITION_NORMAL,
fs_type, geom->start, geom->end);
ped_geometry_destroy (geom);
if (!part)
goto error;
part->fs_type = fs_type;
if (!ped_disk_add_partition (disk, part, constraint_any))
goto error;
ped_constraint_destroy (constraint_any);
return 1;
error_free_geom:
ped_geometry_destroy (geom);
error:
ped_constraint_destroy (constraint_any);
return 0;
}
static int
bsd_read (PedDisk* disk)
{
BSDDiskData* bsd_specific = (BSDDiskData*) disk->disk_specific;
BSDRawLabel* label;
int i;
ped_disk_delete_all (disk);
void *s0;
if (!ptt_read_sector (disk->dev, 0, &s0))
return 0;
memcpy (bsd_specific->boot_code, s0, sizeof (bsd_specific->boot_code));
free (s0);
label = (BSDRawLabel *) (bsd_specific->boot_code + BSD_LABEL_OFFSET);
for (i = 1; i <= BSD_MAXPARTITIONS; i++) {
PedPartition* part;
BSDPartitionData* bsd_part_data;
PedSector start;
PedSector end;
PedConstraint* constraint_exact;
if (!label->d_partitions[i - 1].p_size
|| !label->d_partitions[i - 1].p_fstype)
continue;
start = PED_LE32_TO_CPU(label->d_partitions[i - 1].p_offset);
end = PED_LE32_TO_CPU(label->d_partitions[i - 1].p_offset)
+ PED_LE32_TO_CPU(label->d_partitions[i - 1].p_size) - 1;
part = ped_partition_new (disk, PED_PARTITION_NORMAL,
NULL, start, end);
if (!part)
goto error;
bsd_part_data = part->disk_specific;
bsd_part_data->type = label->d_partitions[i - 1].p_fstype;
part->num = i;
part->fs_type = ped_file_system_probe (&part->geom);
constraint_exact = ped_constraint_exact (&part->geom);
if (!ped_disk_add_partition (disk, part, constraint_exact))
goto error;
ped_constraint_destroy (constraint_exact);
}
return 1;
error:
return 0;
}
void
gnome_format_create_partition(gchar *block_dev, gchar *fs, GError **error) {
PedDevice *device;
PedDisk *disk;
PedFileSystemType *fs_type;
PedPartition *part;
ped_exception_set_handler(parted_exception_handler);
try(device = ped_device_get(block_dev));
try(disk = ped_disk_new(device));
int last_part_num = ped_disk_get_last_partition_num(disk);
if (last_part_num != -1) {
// if partitions exist, delete them
try(ped_disk_delete_all(disk));
}
long long end = device->length - 1;
try(fs_type = ped_file_system_type_get(fs));
// create new partition
try(part = ped_partition_new(disk, PED_PARTITION_NORMAL, fs_type, 1, end));
try(ped_disk_add_partition(disk, part, ped_constraint_any(device)));
try(ped_file_system_create(&part->geom, fs_type, NULL));
// commit changes
try(ped_disk_commit_to_dev(disk));
// this needs root priviliges
// try(ped_disk_commit_to_os(disk));
#ifdef DEBUG
printf("device.sector_size: %lld\n", device->sector_size);
printf("device.length: %lld\n", device->length);
printf("end: %lld\n", end);
#endif
// free stuff
ped_disk_destroy(disk);
ped_device_destroy(device);
}
static int
dasd_read (PedDisk* disk)
{
int i;
char str[20];
PedDevice* dev;
PedPartition* part;
PedFileSystemType *fs;
PedSector start, end;
PedConstraint* constraint_exact;
partition_info_t *p;
LinuxSpecific* arch_specific;
DasdDiskSpecific* disk_specific;
struct fdasd_anchor anchor;
PDEBUG;
PED_ASSERT (disk != NULL);
PDEBUG;
PED_ASSERT (disk->dev != NULL);
PDEBUG;
dev = disk->dev;
arch_specific = LINUX_SPECIFIC(dev);
disk_specific = disk->disk_specific;
PDEBUG;
fdasd_initialize_anchor(&anchor);
if (fdasd_get_geometry(disk->dev, &anchor, arch_specific->fd) == 0)
goto error_close_dev;
disk_specific->label_block = anchor.label_block;
if ((anchor.geo.cylinders * anchor.geo.heads) > BIG_DISK_SIZE)
anchor.big_disk++;
/* check dasd for labels and vtoc */
if (fdasd_check_volume(&anchor, arch_specific->fd)) {
DasdPartitionData* dasd_data;
/* Kernel partitioning code will report 'implicit' partitions
* for non-CDL format DASDs even when there is no
* label/VTOC. */
if (anchor.FBA_layout == 0)
goto error_close_dev;
disk_specific->format_type = 1;
/* Register implicit partition */
ped_disk_delete_all (disk);
start = (PedSector) arch_specific->real_sector_size /
(PedSector) disk->dev->sector_size *
(PedSector) (anchor.label_block + 1);
end = disk->dev->length - 1;
part = ped_partition_new (disk, PED_PARTITION_NORMAL, NULL,
start, end);
if (!part)
goto error_close_dev;
part->num = 1;
part->fs_type = ped_file_system_probe (&part->geom);
dasd_data = part->disk_specific;
dasd_data->raid = 0;
dasd_data->lvm = 0;
dasd_data->type = 0;
if (!ped_disk_add_partition (disk, part, NULL))
goto error_close_dev;
fdasd_cleanup(&anchor);
return 1;
}
/* Save volume label (read by fdasd_check_volume) for writing */
memcpy(&disk_specific->vlabel, anchor.vlabel, sizeof(volume_label_t));
ped_disk_delete_all (disk);
bool is_ldl = strncmp(anchor.vlabel->volkey,
vtoc_ebcdic_enc("LNX1", str, 4), 4) == 0;
bool is_cms = strncmp(anchor.vlabel->volkey,
vtoc_ebcdic_enc("CMS1", str, 4), 4) == 0;
if (is_ldl || is_cms) {
DasdPartitionData* dasd_data;
union vollabel {
volume_label_t ldl;
cms_volume_label_t cms;
};
union vollabel *cms_ptr1 = (union vollabel *) anchor.vlabel;
cms_volume_label_t *cms_ptr = &cms_ptr1->cms;
volume_label_t *ldl_ptr = &cms_ptr1->ldl;
int partition_start_block;
disk_specific->format_type = 1;
if (is_cms && cms_ptr->usable_count >= cms_ptr->block_count)
partition_start_block = 2; /* FBA DASD */
else
partition_start_block = 3; /* CKD DASD */
if (is_ldl)
start = (long long) arch_specific->real_sector_size
/ (long long) disk->dev->sector_size
* (long long) partition_start_block;
else if (cms_ptr->disk_offset == 0)
start = (long long) cms_ptr->block_size
/ (long long) disk->dev->sector_size
* (long long) partition_start_block;
else
start = (long long) cms_ptr->block_size
/ (long long) disk->dev->sector_size
* (long long) cms_ptr->disk_offset;
if (is_ldl)
if (ldl_ptr->ldl_version >= 0xf2)
end = (long long) arch_specific->real_sector_size
/ (long long) disk->dev->sector_size
* (long long) ldl_ptr->formatted_blocks - 1;
else
end = disk->dev->length - 1;
else
if (cms_ptr->disk_offset == 0)
end = (long long) cms_ptr->block_size
/ (long long) disk->dev->sector_size
* (long long) cms_ptr->block_count - 1;
else
/*
Frankly, I do not understand why the last block
of the CMS reserved file is not included in the
partition; but this is the algorithm used by the
Linux kernel. See fs/partitions/ibm.c in the
Linux kernel source code.
*/
end = (long long) cms_ptr->block_size
/ (long long) disk->dev->sector_size
* (long long) (cms_ptr->block_count - 1) - 1;
part = ped_partition_new (disk, PED_PARTITION_NORMAL, NULL, start, end);
if (!part)
goto error_close_dev;
part->num = 1;
part->fs_type = ped_file_system_probe (&part->geom);
dasd_data = part->disk_specific;
dasd_data->raid = 0;
dasd_data->lvm = 0;
dasd_data->type = 0;
if (!ped_disk_add_partition (disk, part, NULL))
goto error_close_dev;
fdasd_cleanup(&anchor);
return 1;
}
/* CDL format, newer */
disk_specific->format_type = 2;
p = anchor.first;
PDEBUG;
for (i = 1 ; i <= USABLE_PARTITIONS; i++) {
char *ch = p->f1->DS1DSNAM;
DasdPartitionData* dasd_data;
if (p->used != 0x01)
continue;
PDEBUG;
start = (long long)(long long) p->start_trk
* (long long) disk->dev->hw_geom.sectors
* (long long) arch_specific->real_sector_size
/ (long long) disk->dev->sector_size;
end = (long long)((long long) p->end_trk + 1)
* (long long) disk->dev->hw_geom.sectors
* (long long) arch_specific->real_sector_size
/ (long long) disk->dev->sector_size - 1;
part = ped_partition_new(disk, PED_PARTITION_NORMAL, NULL,
start, end);
PDEBUG;
if (!part)
goto error_close_dev;
PDEBUG;
part->num = i;
part->fs_type = ped_file_system_probe(&part->geom);
vtoc_ebcdic_dec(p->f1->DS1DSNAM, p->f1->DS1DSNAM, 44);
ch = strstr(p->f1->DS1DSNAM, "PART");
if (ch != NULL) {
strncpy(str, ch+9, 6);
str[6] = '\0';
}
dasd_data = part->disk_specific;
if ((strncmp(PART_TYPE_RAID, str, 6) == 0) &&
(ped_file_system_probe(&part->geom) == NULL))
ped_partition_set_flag(part, PED_PARTITION_RAID, 1);
else
ped_partition_set_flag(part, PED_PARTITION_RAID, 0);
if ((strncmp(PART_TYPE_LVM, str, 6) == 0) &&
(ped_file_system_probe(&part->geom) == NULL))
ped_partition_set_flag(part, PED_PARTITION_LVM, 1);
else
ped_partition_set_flag(part, PED_PARTITION_LVM, 0);
if (strncmp(PART_TYPE_SWAP, str, 6) == 0) {
fs = ped_file_system_probe(&part->geom);
if (fs && is_linux_swap(fs->name)) {
dasd_data->system = PARTITION_LINUX_SWAP;
PDEBUG;
}
}
vtoc_ebcdic_enc(p->f1->DS1DSNAM, p->f1->DS1DSNAM, 44);
dasd_data->type = 0;
constraint_exact = ped_constraint_exact (&part->geom);
if (!constraint_exact)
goto error_close_dev;
if (!ped_disk_add_partition(disk, part, constraint_exact)) {
ped_constraint_destroy(constraint_exact);
goto error_close_dev;
}
ped_constraint_destroy(constraint_exact);
if (p->fspace_trk > 0) {
start = (long long)((long long) p->end_trk + 1)
* (long long) disk->dev->hw_geom.sectors
* (long long) arch_specific->real_sector_size
/ (long long) disk->dev->sector_size;
end = (long long)((long long) p->end_trk + 1 + p->fspace_trk)
* (long long) disk->dev->hw_geom.sectors
* (long long) arch_specific->real_sector_size
/ (long long) disk->dev->sector_size - 1;
part = ped_partition_new (disk, PED_PARTITION_NORMAL,
NULL, start, end);
if (!part)
goto error_close_dev;
part->type = PED_PARTITION_FREESPACE;
constraint_exact = ped_constraint_exact(&part->geom);
if (!constraint_exact)
goto error_close_dev;
if (!ped_disk_add_partition(disk, part, constraint_exact)) {
ped_constraint_destroy(constraint_exact);
goto error_close_dev;
}
ped_constraint_destroy (constraint_exact);
}
p = p->next;
}
PDEBUG;
fdasd_cleanup(&anchor);
return 1;
error_close_dev:
PDEBUG;
fdasd_cleanup(&anchor);
return 0;
}
static int
read_table (PedDisk* disk)
{
int i;
PC98RawTable table;
PedConstraint* constraint_any;
PED_ASSERT (disk != NULL);
PED_ASSERT (disk->dev != NULL);
constraint_any = ped_constraint_any (disk->dev);
if (!ped_device_read (disk->dev, (void*) &table, 0, 2))
goto error;
if (!pc98_check_magic(&table)) {
if (ped_exception_throw (
PED_EXCEPTION_ERROR, PED_EXCEPTION_IGNORE_CANCEL,
_("Invalid partition table on %s."),
disk->dev->path))
goto error;
}
for (i = 0; i < MAX_PART_COUNT; i++) {
PC98RawPartition* raw_part;
PedPartition* part;
PC98PartitionData* pc98_data;
PedSector part_start;
PedSector part_end;
raw_part = &table.partitions [i];
if (is_unused_partition(raw_part))
continue;
part_start = legacy_start (disk, raw_part);
part_end = legacy_end (disk, raw_part);
part = ped_partition_new (disk, PED_PARTITION_NORMAL,
NULL, part_start, part_end);
if (!part)
goto error;
pc98_data = part->disk_specific;
PED_ASSERT (pc98_data != NULL);
pc98_data->system = (raw_part->mid << 8) | raw_part->sid;
pc98_data->boot = GET_BIT(raw_part->mid, 7);
pc98_data->hidden = !GET_BIT(raw_part->sid, 7);
ped_partition_set_name (part, raw_part->name);
pc98_data->ipl_sector = chs_to_sector (
disk->dev,
PED_LE16_TO_CPU(raw_part->ipl_cyl),
raw_part->ipl_head,
raw_part->ipl_sect);
/* hack */
if (pc98_data->ipl_sector == part->geom.start)
pc98_data->ipl_sector = 0;
part->num = i + 1;
if (!ped_disk_add_partition (disk, part, constraint_any))
goto error;
if (part->geom.start != part_start
|| part->geom.end != part_end) {
ped_exception_throw (
PED_EXCEPTION_NO_FEATURE,
PED_EXCEPTION_CANCEL,
_("Partition %d isn't aligned to cylinder "
"boundaries. This is still unsupported."),
part->num);
goto error;
}
part->fs_type = ped_file_system_probe (&part->geom);
}
ped_constraint_destroy (constraint_any);
return 1;
error:
ped_disk_delete_all (disk);
ped_constraint_destroy (constraint_any);
return 0;
}
static int
dvh_read (PedDisk* disk)
{
DVHDiskData* dvh_disk_data = disk->disk_specific;
int i;
struct volume_header vh;
char boot_name [BFNAMESIZE + 1];
#ifndef DISCOVER_ONLY
int write_back = 0;
#endif
PED_ASSERT (dvh_disk_data != NULL);
ped_disk_delete_all (disk);
void *s0;
if (!ptt_read_sector (disk->dev, 0, &s0))
return 0;
memcpy (&vh, s0, sizeof vh);
free (s0);
if (_checksum ((uint32_t*) &vh, sizeof (struct volume_header))) {
if (ped_exception_throw (
PED_EXCEPTION_ERROR,
PED_EXCEPTION_IGNORE_CANCEL,
_("Checksum is wrong, indicating the partition "
"table is corrupt."))
== PED_EXCEPTION_CANCEL)
return 0;
}
PED_ASSERT (PED_BE32_TO_CPU (vh.vh_magic) == VHMAGIC);
dvh_disk_data->dev_params = vh.vh_dp;
strncpy (boot_name, vh.vh_bootfile, BFNAMESIZE);
boot_name[BFNAMESIZE] = 0;
/* normal partitions */
for (i = 0; i < NPARTAB; i++) {
PedPartition* part;
if (!vh.vh_pt[i].pt_nblks)
continue;
/* Skip the whole-disk partition, parted disklikes overlap */
if (PED_BE32_TO_CPU (vh.vh_pt[i].pt_type) == PTYPE_VOLUME)
continue;
part = _parse_partition (disk, &vh.vh_pt[i]);
if (!part)
goto error_delete_all;
part->fs_type = ped_file_system_probe (&part->geom);
part->num = i + 1;
if (PED_BE16_TO_CPU (vh.vh_rootpt) == i)
ped_partition_set_flag (part, PED_PARTITION_ROOT, 1);
if (PED_BE16_TO_CPU (vh.vh_swappt) == i)
ped_partition_set_flag (part, PED_PARTITION_SWAP, 1);
PedConstraint *constraint_exact
= ped_constraint_exact (&part->geom);
bool ok = ped_disk_add_partition (disk, part, constraint_exact);
ped_constraint_destroy (constraint_exact);
if (!ok) {
ped_partition_destroy (part);
goto error_delete_all;
}
}
if (!ped_disk_extended_partition (disk)) {
#ifdef DISCOVER_ONLY
return 1;
#else
switch (_handle_no_volume_header (disk)) {
case PED_EXCEPTION_CANCEL:
return 0;
case PED_EXCEPTION_IGNORE:
return 1;
case PED_EXCEPTION_FIX:
write_back = 1;
break;
default:
break;
}
#endif
}
/* boot partitions */
for (i = 0; i < NVDIR; i++) {
PedPartition* part;
if (!vh.vh_vd[i].vd_nbytes)
continue;
part = _parse_boot_file (disk, &vh.vh_vd[i]);
if (!part)
goto error_delete_all;
part->fs_type = ped_file_system_probe (&part->geom);
part->num = NPARTAB + i + 1;
if (!strcmp (boot_name, ped_partition_get_name (part)))
ped_partition_set_flag (part, PED_PARTITION_BOOT, 1);
PedConstraint *constraint_exact
= ped_constraint_exact (&part->geom);
bool ok = ped_disk_add_partition (disk, part, constraint_exact);
ped_constraint_destroy (constraint_exact);
if (!ok) {
ped_partition_destroy (part);
goto error_delete_all;
}
}
#ifndef DISCOVER_ONLY
if (write_back)
dvh_write (disk);
#endif
return 1;
error_delete_all:
ped_disk_delete_all (disk);
return 0;
}
/* We have already allocated a rdb, we are now reading it from the disk */
static int
amiga_read (PedDisk* disk)
{
struct RigidDiskBlock *rdb;
struct PartitionBlock *partition;
uint32_t partblock;
uint32_t partlist[AMIGA_MAX_PARTITIONS];
PedSector cylblocks;
int i;
PED_ASSERT(disk != NULL);
PED_ASSERT(disk->dev != NULL);
PED_ASSERT(disk->dev->sector_size % PED_SECTOR_SIZE_DEFAULT == 0);
PED_ASSERT(disk->disk_specific != NULL);
rdb = RDSK(disk->disk_specific);
if (_amiga_find_rdb (disk->dev, rdb) == AMIGA_RDB_NOT_FOUND) {
ped_exception_throw(PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
_("%s : Didn't find rdb block, should never happen."), __func__);
return 0;
}
/* Let's copy the rdb read geometry to the dev */
/* FIXME: should this go into disk->dev->bios_geom instead? */
disk->dev->hw_geom.cylinders = PED_BE32_TO_CPU (rdb->rdb_Cylinders);
disk->dev->hw_geom.heads = PED_BE32_TO_CPU (rdb->rdb_Heads);
disk->dev->hw_geom.sectors = PED_BE32_TO_CPU (rdb->rdb_Sectors);
cylblocks = (PedSector) PED_BE32_TO_CPU (rdb->rdb_Heads) *
(PedSector) PED_BE32_TO_CPU (rdb->rdb_Sectors);
/* Remove all partitions in the former in memory table */
ped_disk_delete_all (disk);
/* Let's allocate a partition block */
if (!(partition = ped_malloc (disk->dev->sector_size)))
return 0;
/* We initialize the hardblock free list to detect loops */
for (i = 0; i < AMIGA_MAX_PARTITIONS; i++) partlist[i] = LINK_END;
for (i = 1, partblock = PED_BE32_TO_CPU(rdb->rdb_PartitionList);
i < AMIGA_MAX_PARTITIONS && partblock != LINK_END;
i++, partblock = PED_BE32_TO_CPU(partition->pb_Next))
{
PedPartition *part;
PedSector start, end;
/* Let's look for loops in the partition table */
if (_amiga_loop_check(partblock, partlist, i)) {
break;
}
/* Let's allocate and read a partition block to get its geometry*/
if (!_amiga_read_block (disk->dev, AMIGA(partition),
(PedSector)partblock, NULL)) {
free(partition);
return 0;
}
start = ((PedSector) PED_BE32_TO_CPU (partition->de_LowCyl))
* cylblocks;
end = (((PedSector) PED_BE32_TO_CPU (partition->de_HighCyl))
+ 1) * cylblocks - 1;
/* We can now construct a new partition */
if (!(part = ped_partition_new (disk, PED_PARTITION_NORMAL,
NULL, start, end))) {
free(partition);
return 0;
}
/* And copy over the partition block */
memcpy(part->disk_specific, partition, 256);
part->num = i;
part->type = 0;
/* Let's probe what file system is present on the disk */
part->fs_type = ped_file_system_probe (&part->geom);
PedConstraint *constraint_exact
= ped_constraint_exact (&part->geom);
if (constraint_exact == NULL)
return 0;
bool ok = ped_disk_add_partition (disk, part, constraint_exact);
ped_constraint_destroy (constraint_exact);
if (!ok) {
ped_partition_destroy(part);
free(partition);
return 0;
}
}
free(partition);
return 1;
}
