mirror of
https://github.com/reactos/reactos.git
synced 2024-07-03 19:24:20 +00:00
2c76ce526c
They will be used in the subsequent commits. svn path=/branches/setup_improvements/; revision=74617
340 lines
7.8 KiB
C
340 lines
7.8 KiB
C
/*
|
|
* PROJECT: ReactOS Setup Library
|
|
* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
|
|
* PURPOSE: Partition list functions
|
|
* COPYRIGHT: Copyright 2003-2018 Casper S. Hornstrup (chorns@users.sourceforge.net)
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
typedef enum _FORMATSTATE
|
|
{
|
|
Unformatted,
|
|
UnformattedOrDamaged,
|
|
UnknownFormat,
|
|
Preformatted,
|
|
Formatted
|
|
} FORMATSTATE, *PFORMATSTATE;
|
|
|
|
struct _FILE_SYSTEM;
|
|
|
|
typedef struct _PARTENTRY
|
|
{
|
|
LIST_ENTRY ListEntry;
|
|
|
|
/* The disk this partition belongs to */
|
|
struct _DISKENTRY *DiskEntry;
|
|
|
|
/* Partition geometry */
|
|
ULARGE_INTEGER StartSector;
|
|
ULARGE_INTEGER SectorCount;
|
|
|
|
BOOLEAN BootIndicator;
|
|
UCHAR PartitionType;
|
|
ULONG HiddenSectors;
|
|
ULONG PartitionNumber; /* Enumerated partition number (primary partitions first -- excluding the extended partition container --, then the logical partitions) */
|
|
ULONG PartitionIndex; /* Index in the LayoutBuffer->PartitionEntry[] cached array of the corresponding DiskEntry */
|
|
|
|
CHAR DriveLetter;
|
|
|
|
BOOLEAN LogicalPartition;
|
|
|
|
/* Partition is partitioned disk space */
|
|
BOOLEAN IsPartitioned;
|
|
|
|
/* Partition is new, table does not exist on disk yet */
|
|
BOOLEAN New;
|
|
|
|
/* Partition was created automatically */
|
|
BOOLEAN AutoCreate;
|
|
|
|
/* Partition must be checked */
|
|
BOOLEAN NeedsCheck;
|
|
|
|
FORMATSTATE FormatState;
|
|
struct _FILE_SYSTEM* FileSystem;
|
|
|
|
} PARTENTRY, *PPARTENTRY;
|
|
|
|
|
|
typedef struct _BIOSDISKENTRY
|
|
{
|
|
LIST_ENTRY ListEntry;
|
|
ULONG DiskNumber;
|
|
ULONG Signature;
|
|
ULONG Checksum;
|
|
BOOLEAN Recognized;
|
|
CM_DISK_GEOMETRY_DEVICE_DATA DiskGeometry;
|
|
CM_INT13_DRIVE_PARAMETER Int13DiskData;
|
|
} BIOSDISKENTRY, *PBIOSDISKENTRY;
|
|
|
|
|
|
typedef struct _DISKENTRY
|
|
{
|
|
LIST_ENTRY ListEntry;
|
|
|
|
/* Disk geometry */
|
|
|
|
ULONGLONG Cylinders;
|
|
ULONG TracksPerCylinder;
|
|
ULONG SectorsPerTrack;
|
|
ULONG BytesPerSector;
|
|
|
|
ULARGE_INTEGER SectorCount;
|
|
ULONG SectorAlignment;
|
|
ULONG CylinderAlignment;
|
|
|
|
/* BIOS parameters */
|
|
BOOLEAN BiosFound;
|
|
ULONG BiosDiskNumber;
|
|
// ULONG Signature; // Obtained from LayoutBuffer->Signature
|
|
// ULONG Checksum;
|
|
|
|
/* SCSI parameters */
|
|
ULONG DiskNumber;
|
|
// SCSI_ADDRESS;
|
|
USHORT Port;
|
|
USHORT Bus;
|
|
USHORT Id;
|
|
|
|
/* Has the partition list been modified? */
|
|
BOOLEAN Dirty;
|
|
|
|
BOOLEAN NewDisk;
|
|
BOOLEAN NoMbr; /* MBR is absent */ // See r40437
|
|
|
|
UNICODE_STRING DriverName;
|
|
|
|
PDRIVE_LAYOUT_INFORMATION LayoutBuffer;
|
|
// TODO: When adding support for GPT disks:
|
|
// Use PDRIVE_LAYOUT_INFORMATION_EX which indicates whether
|
|
// the disk is MBR, GPT, or unknown (uninitialized).
|
|
// Depending on the style, either use the MBR or GPT partition info.
|
|
|
|
/* Pointer to the unique extended partition on this disk */
|
|
PPARTENTRY ExtendedPartition;
|
|
|
|
LIST_ENTRY PrimaryPartListHead;
|
|
LIST_ENTRY LogicalPartListHead;
|
|
|
|
} DISKENTRY, *PDISKENTRY;
|
|
|
|
|
|
typedef struct _PARTLIST
|
|
{
|
|
/*
|
|
* Disk & Partition iterators.
|
|
*
|
|
* NOTE that when CurrentPartition != NULL, then CurrentPartition->DiskEntry
|
|
* must be the same as CurrentDisk. We should however keep the two members
|
|
* separated as we can have a current (selected) disk without any current
|
|
* partition, if the former does not contain any.
|
|
*/
|
|
PDISKENTRY CurrentDisk;
|
|
PPARTENTRY CurrentPartition;
|
|
|
|
/*
|
|
* The system partition where the boot manager resides.
|
|
* The corresponding system disk is obtained via:
|
|
* SystemPartition->DiskEntry.
|
|
*/
|
|
PPARTENTRY SystemPartition;
|
|
/*
|
|
* The original system partition in case we are redefining it because
|
|
* we do not have write support on it.
|
|
* Please note that this is partly a HACK and MUST NEVER happen on
|
|
* architectures where real system partitions are mandatory (because then
|
|
* they are formatted in FAT FS and we support write operation on them).
|
|
* The corresponding original system disk is obtained via:
|
|
* OriginalSystemPartition->DiskEntry.
|
|
*/
|
|
PPARTENTRY OriginalSystemPartition;
|
|
|
|
LIST_ENTRY DiskListHead;
|
|
LIST_ENTRY BiosDiskListHead;
|
|
|
|
} PARTLIST, *PPARTLIST;
|
|
|
|
#define PARTITION_TBL_SIZE 4
|
|
|
|
#include <pshpack1.h>
|
|
|
|
typedef struct _PARTITION
|
|
{
|
|
unsigned char BootFlags; /* bootable? 0=no, 128=yes */
|
|
unsigned char StartingHead; /* beginning head number */
|
|
unsigned char StartingSector; /* beginning sector number */
|
|
unsigned char StartingCylinder; /* 10 bit nmbr, with high 2 bits put in begsect */
|
|
unsigned char PartitionType; /* Operating System type indicator code */
|
|
unsigned char EndingHead; /* ending head number */
|
|
unsigned char EndingSector; /* ending sector number */
|
|
unsigned char EndingCylinder; /* also a 10 bit nmbr, with same high 2 bit trick */
|
|
unsigned int StartingBlock; /* first sector relative to start of disk */
|
|
unsigned int SectorCount; /* number of sectors in partition */
|
|
} PARTITION, *PPARTITION;
|
|
|
|
typedef struct _PARTITION_SECTOR
|
|
{
|
|
UCHAR BootCode[440]; /* 0x000 */
|
|
ULONG Signature; /* 0x1B8 */
|
|
UCHAR Reserved[2]; /* 0x1BC */
|
|
PARTITION Partition[PARTITION_TBL_SIZE]; /* 0x1BE */
|
|
USHORT Magic; /* 0x1FE */
|
|
} PARTITION_SECTOR, *PPARTITION_SECTOR;
|
|
|
|
#include <poppack.h>
|
|
|
|
typedef struct
|
|
{
|
|
LIST_ENTRY ListEntry;
|
|
ULONG DiskNumber;
|
|
ULONG Identifier;
|
|
ULONG Signature;
|
|
} BIOS_DISK, *PBIOS_DISK;
|
|
|
|
|
|
|
|
ULONGLONG
|
|
AlignDown(
|
|
IN ULONGLONG Value,
|
|
IN ULONG Alignment);
|
|
|
|
ULONGLONG
|
|
AlignUp(
|
|
IN ULONGLONG Value,
|
|
IN ULONG Alignment);
|
|
|
|
ULONGLONG
|
|
RoundingDivide(
|
|
IN ULONGLONG Dividend,
|
|
IN ULONGLONG Divisor);
|
|
|
|
|
|
|
|
PPARTLIST
|
|
CreatePartitionList(VOID);
|
|
|
|
VOID
|
|
DestroyPartitionList(
|
|
IN PPARTLIST List);
|
|
|
|
PDISKENTRY
|
|
GetDiskByBiosNumber(
|
|
IN PPARTLIST List,
|
|
IN ULONG BiosDiskNumber);
|
|
|
|
PDISKENTRY
|
|
GetDiskByNumber(
|
|
IN PPARTLIST List,
|
|
IN ULONG DiskNumber);
|
|
|
|
PDISKENTRY
|
|
GetDiskBySCSI(
|
|
IN PPARTLIST List,
|
|
IN USHORT Port,
|
|
IN USHORT Bus,
|
|
IN USHORT Id);
|
|
|
|
PDISKENTRY
|
|
GetDiskBySignature(
|
|
IN PPARTLIST List,
|
|
IN ULONG Signature);
|
|
|
|
PPARTENTRY
|
|
GetPartition(
|
|
// IN PPARTLIST List,
|
|
IN PDISKENTRY DiskEntry,
|
|
IN ULONG PartitionNumber);
|
|
|
|
BOOLEAN
|
|
GetDiskOrPartition(
|
|
IN PPARTLIST List,
|
|
IN ULONG DiskNumber,
|
|
IN ULONG PartitionNumber OPTIONAL,
|
|
OUT PDISKENTRY* pDiskEntry,
|
|
OUT PPARTENTRY* pPartEntry OPTIONAL);
|
|
|
|
BOOLEAN
|
|
SelectPartition(
|
|
IN PPARTLIST List,
|
|
IN ULONG DiskNumber,
|
|
IN ULONG PartitionNumber);
|
|
|
|
PPARTENTRY
|
|
GetNextPartition(
|
|
IN PPARTLIST List);
|
|
|
|
PPARTENTRY
|
|
GetPrevPartition(
|
|
IN PPARTLIST List);
|
|
|
|
VOID
|
|
CreatePrimaryPartition(
|
|
IN PPARTLIST List,
|
|
IN ULONGLONG SectorCount,
|
|
IN BOOLEAN AutoCreate);
|
|
|
|
VOID
|
|
CreateExtendedPartition(
|
|
IN PPARTLIST List,
|
|
IN ULONGLONG SectorCount);
|
|
|
|
VOID
|
|
CreateLogicalPartition(
|
|
IN PPARTLIST List,
|
|
IN ULONGLONG SectorCount,
|
|
IN BOOLEAN AutoCreate);
|
|
|
|
VOID
|
|
DeleteCurrentPartition(
|
|
IN PPARTLIST List);
|
|
|
|
VOID
|
|
CheckActiveSystemPartition(
|
|
IN PPARTLIST List);
|
|
|
|
BOOLEAN
|
|
WritePartitionsToDisk(
|
|
IN PPARTLIST List);
|
|
|
|
BOOLEAN
|
|
SetMountedDeviceValue(
|
|
IN CHAR Letter,
|
|
IN ULONG Signature,
|
|
IN LARGE_INTEGER StartingOffset);
|
|
|
|
BOOLEAN
|
|
SetMountedDeviceValues(
|
|
IN PPARTLIST List);
|
|
|
|
VOID
|
|
SetPartitionType(
|
|
IN PPARTENTRY PartEntry,
|
|
IN UCHAR PartitionType);
|
|
|
|
ERROR_NUMBER
|
|
PrimaryPartitionCreationChecks(
|
|
IN PPARTLIST List);
|
|
|
|
ERROR_NUMBER
|
|
ExtendedPartitionCreationChecks(
|
|
IN PPARTLIST List);
|
|
|
|
ERROR_NUMBER
|
|
LogicalPartitionCreationChecks(
|
|
IN PPARTLIST List);
|
|
|
|
BOOLEAN
|
|
GetNextUnformattedPartition(
|
|
IN PPARTLIST List,
|
|
OUT PDISKENTRY *pDiskEntry OPTIONAL,
|
|
OUT PPARTENTRY *pPartEntry);
|
|
|
|
BOOLEAN
|
|
GetNextUncheckedPartition(
|
|
IN PPARTLIST List,
|
|
OUT PDISKENTRY *pDiskEntry OPTIONAL,
|
|
OUT PPARTENTRY *pPartEntry);
|
|
|
|
/* EOF */
|