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/*
libparted - a library for manipulating disk partitions
Copyright (C) 1999-2002, 2007-2014, 2019-2022 Free Software Foundation,
Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* \addtogroup PedDisk
* @{
*/
/** \file disk.h */
#ifndef PED_DISK_H_INCLUDED
#define PED_DISK_H_INCLUDED
/* Include these to work around gnulib redefining free, read, etc. which causes problems
* with pt-common.h
*/
#include <stdlib.h>
#include <unistd.h>
#include <stdint.h>
/**
* Disk flags
*/
enum _PedDiskFlag {
/* This flag (which defaults to true) controls if disk types for
which cylinder alignment is optional do cylinder alignment when a
new partition gets added.
This flag is available for msdos and sun disklabels (for sun labels
it only controls the aligning of the end of the partition) */
PED_DISK_CYLINDER_ALIGNMENT=1,
/* This flag controls whether the boot flag of a GPT PMBR is set */
PED_DISK_GPT_PMBR_BOOT=2,
};
// NOTE: DO NOT define using enums
#define PED_DISK_FIRST_FLAG 1 // PED_DISK_CYLINDER_ALIGNMENT
#define PED_DISK_LAST_FLAG 2 // PED_DISK_GPT_PMBR_BOOT
/**
* Partition types
*/
enum _PedPartitionType {
PED_PARTITION_NORMAL = 0x00,
PED_PARTITION_LOGICAL = 0x01,
PED_PARTITION_EXTENDED = 0x02,
PED_PARTITION_FREESPACE = 0x04,
PED_PARTITION_METADATA = 0x08,
PED_PARTITION_PROTECTED = 0x10
};
/**
* Partition flags.
*/
enum _PedPartitionFlag {
PED_PARTITION_BOOT=1,
PED_PARTITION_ROOT=2,
PED_PARTITION_SWAP=3,
PED_PARTITION_HIDDEN=4,
PED_PARTITION_RAID=5,
PED_PARTITION_LVM=6,
PED_PARTITION_LBA=7,
PED_PARTITION_HPSERVICE=8,
PED_PARTITION_PALO=9,
PED_PARTITION_PREP=10,
PED_PARTITION_MSFT_RESERVED=11,
PED_PARTITION_BIOS_GRUB=12,
PED_PARTITION_APPLE_TV_RECOVERY=13,
PED_PARTITION_DIAG=14,
PED_PARTITION_LEGACY_BOOT=15,
PED_PARTITION_MSFT_DATA=16,
PED_PARTITION_IRST=17,
PED_PARTITION_ESP=18,
PED_PARTITION_CHROMEOS_KERNEL=19,
PED_PARTITION_BLS_BOOT=20,
PED_PARTITION_LINUX_HOME=21,
};
// NOTE: DO NOT define using enums
#define PED_PARTITION_FIRST_FLAG 1 // PED_PARTITION_BOOT
#define PED_PARTITION_LAST_FLAG 21 // PED_PARTITION_LINUX_HOME
enum _PedDiskTypeFeature {
PED_DISK_TYPE_EXTENDED=1, /**< supports extended partitions */
PED_DISK_TYPE_PARTITION_NAME=2, /**< supports partition names */
PED_DISK_TYPE_PARTITION_TYPE_ID=4, /**< supports partition type-ids */
PED_DISK_TYPE_PARTITION_TYPE_UUID=8, /**< supports partition type-uuids */
PED_DISK_TYPE_DISK_UUID=16, /**< supports disk uuids */
PED_DISK_TYPE_PARTITION_UUID=32, /**< supports partition uuids */
};
// NOTE: DO NOT define using enums
#define PED_DISK_TYPE_FIRST_FEATURE 1 // PED_DISK_TYPE_EXTENDED
#define PED_DISK_TYPE_LAST_FEATURE 32 // PED_DISK_TYPE_PARTITION_UUID
struct _PedDisk;
struct _PedPartition;
struct _PedDiskOps;
struct _PedDiskType;
struct _PedDiskArchOps;
typedef enum _PedDiskFlag PedDiskFlag;
typedef enum _PedPartitionType PedPartitionType;
typedef enum _PedPartitionFlag PedPartitionFlag;
typedef enum _PedDiskTypeFeature PedDiskTypeFeature;
typedef struct _PedDisk PedDisk;
typedef struct _PedPartition PedPartition;
typedef const struct _PedDiskOps PedDiskOps;
typedef struct _PedDiskType PedDiskType;
typedef const struct _PedDiskArchOps PedDiskArchOps;
#include <parted/device.h>
#include <parted/filesys.h>
#include <parted/natmath.h>
#include <parted/geom.h>
#include <stdbool.h>
/** @} */
/**
* \addtogroup PedPartition
*
* @{
*/
/** \file disk.h */
/**
* PedPartition structure represents a partition.
*/
struct _PedPartition {
PedPartition* prev;
PedPartition* next;
/**< the partition table of the partition */
PedDisk* disk;
PedGeometry geom; /**< geometry of the partition */
/**< the partition number: In Linux, this is the
same as the minor number. No assumption
should be made about "num" and "type"
- different disk labels have different rules. */
int num;
PedPartitionType type; /**< the type of partition: a bit field of
PED_PARTITION_LOGICAL, PED_PARTITION_EXTENDED,
PED_PARTITION_METADATA
and PED_PARTITION_FREESPACE.
Both the first two, and the last two are
mutually exclusive.
An extended partition is a primary
partition that may contain logical partitions.
There is at most one extended partition on
a disk.
A logical partition is like a primary
partition, except it's inside an extended
partition. Internally, pseudo partitions are
allocated to represent free space, or disk
label meta-data. These have the
PED_PARTITION_FREESPACE or
PED_PARTITION_METADATA bit set. */
/**< The type of file system on the partition. NULL if unknown. */
const PedFileSystemType* fs_type;
/**< Only used for an extended partition. The list of logical
partitions (and free space and metadata within the extended
partition). */
PedPartition* part_list;
void* disk_specific;
};
/** @} */
/**
* \addtogroup PedDisk
* @{
*/
/**
* Represents a disk label (partition table).
*/
struct _PedDisk {
PedDevice* dev; /**< the device where the
partition table lies */
const PedDiskType* type; /**< type of disk label */
const int* block_sizes; /**< block sizes supported
by this label */
PedPartition* part_list; /**< list of partitions. Access with
ped_disk_next_partition() */
void* disk_specific;
/* office use only ;-) */
int needs_clobber; /**< clobber before write? */
int update_mode; /**< mode without free/metadata
partitions, for easier
update */
};
struct _PedDiskOps {
/* disk label operations */
int (*probe) (const PedDevice *dev);
int (*clobber) (PedDevice* dev);
PedDisk* (*alloc) (const PedDevice* dev);
PedDisk* (*duplicate) (const PedDisk* disk);
void (*free) (PedDisk* disk);
int (*read) (PedDisk* disk);
int (*write) (const PedDisk* disk);
int (*disk_set_flag) (
PedDisk *disk,
PedDiskFlag flag,
int state);
int (*disk_get_flag) (
const PedDisk *disk,
PedDiskFlag flag);
int (*disk_is_flag_available) (
const PedDisk *disk,
PedDiskFlag flag);
uint8_t* (*disk_get_uuid) (const PedDisk* disk);
/** \todo add label guessing op here */
/* partition operations */
PedPartition* (*partition_new) (
const PedDisk* disk,
PedPartitionType part_type,
const PedFileSystemType* fs_type,
PedSector start,
PedSector end);
PedPartition* (*partition_duplicate) (const PedPartition* part);
void (*partition_destroy) (PedPartition* part);
int (*partition_set_system) (PedPartition* part,
const PedFileSystemType* fs_type);
int (*partition_set_flag) (
PedPartition* part,
PedPartitionFlag flag,
int state);
int (*partition_get_flag) (
const PedPartition* part,
PedPartitionFlag flag);
int (*partition_is_flag_available) (
const PedPartition* part,
PedPartitionFlag flag);
void (*partition_set_name) (PedPartition* part, const char* name);
const char* (*partition_get_name) (const PedPartition* part);
int (*partition_set_type_id) (PedPartition* part, uint8_t id);
uint8_t (*partition_get_type_id) (const PedPartition* part);
int (*partition_set_type_uuid) (PedPartition* part, const uint8_t* uuid);
uint8_t* (*partition_get_type_uuid) (const PedPartition* part);
uint8_t* (*partition_get_uuid) (const PedPartition* part);
int (*partition_align) (PedPartition* part,
const PedConstraint* constraint);
int (*partition_enumerate) (PedPartition* part);
bool (*partition_check) (const PedPartition* part);
/* other */
int (*alloc_metadata) (PedDisk* disk);
int (*get_max_primary_partition_count) (const PedDisk* disk);
bool (*get_max_supported_partition_count) (const PedDisk* disk,
int* supported);
PedAlignment *(*get_partition_alignment)(const PedDisk *disk);
PedSector (*max_length) (void);
PedSector (*max_start_sector) (void);
};
struct _PedDiskType {
PedDiskType* next;
const char* name; /**< the name of the partition table type.
\todo not very intuitive name */
PedDiskOps* const ops;
PedDiskTypeFeature features; /**< bitmap of supported features */
};
/**
* Architecture-specific operations. i.e. communication with kernel (or
* whatever) about changes, etc.
*/
struct _PedDiskArchOps {
char* (*partition_get_path) (const PedPartition* part);
int (*partition_is_busy) (const PedPartition* part);
int (*disk_commit) (PedDisk* disk);
};
extern void ped_disk_type_register (PedDiskType* type);
extern void ped_disk_type_unregister (PedDiskType* type);
extern PedDiskType* ped_disk_type_get_next (PedDiskType const *type)
_GL_ATTRIBUTE_PURE;
extern PedDiskType* ped_disk_type_get (const char* name)
_GL_ATTRIBUTE_PURE;
extern int ped_disk_type_check_feature (const PedDiskType* disk_type,
PedDiskTypeFeature feature)
_GL_ATTRIBUTE_PURE;
extern PedDiskType* ped_disk_probe (PedDevice* dev);
extern int ped_disk_clobber (PedDevice* dev);
extern PedDisk* ped_disk_new (PedDevice* dev);
extern PedDisk* ped_disk_new_fresh (PedDevice* dev,
const PedDiskType* disk_type);
extern PedDisk* ped_disk_duplicate (const PedDisk* old_disk);
extern void ped_disk_destroy (PedDisk* disk);
extern int ped_disk_commit (PedDisk* disk);
extern int ped_disk_commit_to_dev (PedDisk* disk);
extern int ped_disk_commit_to_os (PedDisk* disk);
extern int ped_disk_check (const PedDisk* disk);
extern void ped_disk_print (const PedDisk* disk);
extern int ped_disk_get_primary_partition_count (const PedDisk* disk)
_GL_ATTRIBUTE_PURE;
extern int ped_disk_get_last_partition_num (const PedDisk* disk)
_GL_ATTRIBUTE_PURE;
extern int ped_disk_get_max_primary_partition_count (const PedDisk* disk);
extern bool ped_disk_get_max_supported_partition_count(const PedDisk* disk,
int* supported);
extern PedAlignment *ped_disk_get_partition_alignment(const PedDisk *disk);
extern int ped_disk_set_flag(PedDisk *disk, PedDiskFlag flag, int state);
extern int ped_disk_get_flag(const PedDisk *disk, PedDiskFlag flag);
extern int ped_disk_is_flag_available(const PedDisk *disk, PedDiskFlag flag);
extern uint8_t* ped_disk_get_uuid (const PedDisk* disk);
extern const char *ped_disk_flag_get_name(PedDiskFlag flag);
extern PedDiskFlag ped_disk_flag_get_by_name(const char *name);
extern PedDiskFlag ped_disk_flag_next(PedDiskFlag flag) _GL_ATTRIBUTE_CONST;
/** @} */
/**
* \addtogroup PedPartition
*
* @{
*/
extern PedPartition* ped_partition_new (const PedDisk* disk,
PedPartitionType type,
const PedFileSystemType* fs_type,
PedSector start,
PedSector end);
extern void ped_partition_destroy (PedPartition* part);
extern int ped_partition_is_active (const PedPartition* part) _GL_ATTRIBUTE_PURE;
extern int ped_partition_set_flag (PedPartition* part, PedPartitionFlag flag,
int state);
extern int ped_partition_get_flag (const PedPartition* part,
PedPartitionFlag flag);
extern int ped_partition_is_flag_available (const PedPartition* part,
PedPartitionFlag flag);
extern int ped_partition_set_system (PedPartition* part,
const PedFileSystemType* fs_type);
extern int ped_partition_set_name (PedPartition* part, const char* name);
extern const char* ped_partition_get_name (const PedPartition* part);
extern int ped_partition_set_type_id (PedPartition* part, uint8_t id);
extern uint8_t ped_partition_get_type_id (const PedPartition* part);
extern int ped_partition_set_type_uuid (PedPartition* part, const uint8_t* uuid);
extern uint8_t* ped_partition_get_type_uuid (const PedPartition* part);
extern uint8_t* ped_partition_get_uuid (const PedPartition* part);
extern int ped_partition_is_busy (const PedPartition* part);
extern char* ped_partition_get_path (const PedPartition* part);
extern const char* ped_partition_type_get_name (PedPartitionType part_type)
_GL_ATTRIBUTE_CONST;
extern const char* ped_partition_flag_get_name (PedPartitionFlag flag);
extern PedPartitionFlag ped_partition_flag_get_by_name (const char* name);
extern PedPartitionFlag ped_partition_flag_next (PedPartitionFlag flag)
_GL_ATTRIBUTE_CONST;
/** @} */
/**
* \addtogroup PedDisk
* @{
*/
extern int ped_disk_add_partition (PedDisk* disk, PedPartition* part,
const PedConstraint* constraint);
extern int ped_disk_remove_partition (PedDisk* disk, PedPartition* part);
extern int ped_disk_delete_partition (PedDisk* disk, PedPartition* part);
extern int ped_disk_delete_all (PedDisk* disk);
extern int ped_disk_set_partition_geom (PedDisk* disk, PedPartition* part,
const PedConstraint* constraint,
PedSector start, PedSector end);
extern int ped_disk_maximize_partition (PedDisk* disk, PedPartition* part,
const PedConstraint* constraint);
extern PedGeometry* ped_disk_get_max_partition_geometry (PedDisk* disk,
PedPartition* part, const PedConstraint* constraint);
extern int ped_disk_minimize_extended_partition (PedDisk* disk);
extern PedPartition* ped_disk_next_partition (const PedDisk* disk,
const PedPartition* part)
_GL_ATTRIBUTE_PURE;
extern PedPartition* ped_disk_get_partition (const PedDisk* disk, int num)
_GL_ATTRIBUTE_PURE;
extern PedPartition* ped_disk_get_partition_by_sector (const PedDisk* disk,
PedSector sect)
_GL_ATTRIBUTE_PURE;
extern PedPartition* ped_disk_extended_partition (const PedDisk* disk)
_GL_ATTRIBUTE_PURE;
extern PedSector ped_disk_max_partition_length (const PedDisk *disk);
extern PedSector ped_disk_max_partition_start_sector (const PedDisk *disk);
/* internal functions */
extern PedDisk* _ped_disk_alloc (const PedDevice* dev, const PedDiskType* type);
extern void _ped_disk_free (PedDisk* disk);
/** @} */
/**
* \addtogroup PedPartition
*
* @{
*/
extern PedPartition* _ped_partition_alloc (const PedDisk* disk,
PedPartitionType type,
const PedFileSystemType* fs_type,
PedSector start,
PedSector end);
extern void _ped_partition_free (PedPartition* part);
extern int _ped_partition_attempt_align (
PedPartition* part, const PedConstraint* external,
PedConstraint* internal);
#endif /* PED_DISK_H_INCLUDED */
/** @} */
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