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reactos/base/setup/usetup/partlist.c
Joachim Henze a4f88cc271 [0.4.9][SETUP] Silence some noisy DPRINT1 
picked from 0.4.12-dev-260-g 0150bb964a
2020-12-21 00:23:19 +01:00

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/*
* ReactOS kernel
* Copyright (C) 2002, 2003, 2004, 2005 ReactOS Team
*
* 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 2 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS text-mode setup
* FILE: base/setup/usetup/partlist.c
* PURPOSE: Partition list functions
* PROGRAMMER: Eric Kohl
* Casper S. Hornstrup (chorns@users.sourceforge.net)
*/
#include "usetup.h"
#include <ntddscsi.h>
#define NDEBUG
#include <debug.h>
//#define DUMP_PARTITION_TABLE
/* HELPERS FOR PARTITION TYPES **********************************************/
typedef struct _PARTITION_TYPE
{
UCHAR Type;
PCHAR Description;
} PARTITION_TYPE, *PPARTITION_TYPE;
/*
* This partition type list was ripped off the kernelDisk.c module from:
*
* Visopsys Operating System
* Copyright (C) 1998-2015 J. Andrew McLaughlin
*
* 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 2 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*
* See also https://en.wikipedia.org/wiki/Partition_type#List_of_partition_IDs
* and http://www.win.tue.nl/~aeb/partitions/partition_types-1.html
* for a complete list.
*/
/* This is a table for keeping known partition type codes and descriptions */
static PARTITION_TYPE PartitionTypes[] =
{
{ 0x00, "(Empty)" },
{ 0x01, "FAT12" },
{ 0x02, "XENIX root" },
{ 0x03, "XENIX /usr" },
{ 0x04, "FAT16 (small)" },
{ 0x05, "Extended" },
{ 0x06, "FAT16" },
{ 0x07, "NTFS/HPFS/exFAT" },
{ 0x08, "OS/2 or AIX boot" },
{ 0x09, "AIX data" },
{ 0x0A, "OS/2 Boot Manager" },
{ 0x0B, "FAT32" },
{ 0x0C, "FAT32 (LBA)" },
{ 0x0E, "FAT16 (LBA)" },
{ 0x0F, "Extended (LBA)" },
{ 0x11, "Hidden FAT12" },
{ 0x12, "FAT diagnostic" },
{ 0x14, "Hidden FAT16 (small)" },
{ 0x16, "Hidden FAT16" },
{ 0x17, "Hidden HPFS or NTFS" },
{ 0x1B, "Hidden FAT32" },
{ 0x1C, "Hidden FAT32 (LBA)" },
{ 0x1E, "Hidden FAT16 (LBA)" },
{ 0x35, "JFS" },
{ 0x39, "Plan 9" },
{ 0x3C, "PartitionMagic" },
{ 0x3D, "Hidden Netware" },
{ 0x41, "PowerPC PReP" },
{ 0x42, "Win2K dynamic extended" },
{ 0x43, "Old Linux" },
{ 0x44, "GoBack" },
{ 0x4D, "QNX4.x" },
{ 0x4D, "QNX4.x 2nd" },
{ 0x4D, "QNX4.x 3rd" },
{ 0x50, "Ontrack R/O" },
{ 0x51, "Ontrack R/W or Novell" },
{ 0x52, "CP/M" },
{ 0x63, "GNU HURD or UNIX SysV" },
{ 0x64, "Netware 2" },
{ 0x65, "Netware 3/4" },
{ 0x66, "Netware SMS" },
{ 0x67, "Novell" },
{ 0x68, "Novell" },
{ 0x69, "Netware 5+" },
{ 0x7E, "Veritas VxVM public" },
{ 0x7F, "Veritas VxVM private" },
{ 0x80, "Minix" },
{ 0x81, "Linux or Minix" },
{ 0x82, "Linux swap or Solaris" },
{ 0x83, "Linux" },
{ 0x84, "Hibernation" },
{ 0x85, "Linux extended" },
{ 0x86, "HPFS or NTFS mirrored" },
{ 0x87, "HPFS or NTFS mirrored" },
{ 0x8E, "Linux LVM" },
{ 0x93, "Hidden Linux" },
{ 0x96, "CDFS/ISO-9660" },
{ 0x9F, "BSD/OS" },
{ 0xA0, "Laptop hibernation" },
{ 0xA1, "Laptop hibernation" },
{ 0xA5, "BSD, NetBSD, FreeBSD" },
{ 0xA6, "OpenBSD" },
{ 0xA7, "NeXTSTEP" },
{ 0xA8, "OS-X UFS" },
{ 0xA9, "NetBSD" },
{ 0xAB, "OS-X boot" },
{ 0xAF, "OS-X HFS" },
{ 0xB6, "NT corrupt mirror" },
{ 0xB7, "BSDI" },
{ 0xB8, "BSDI swap" },
{ 0xBE, "Solaris 8 boot" },
{ 0xBF, "Solaris x86" },
{ 0xC0, "NTFT" },
{ 0xC1, "DR-DOS FAT12" },
{ 0xC2, "Hidden Linux" },
{ 0xC3, "Hidden Linux swap" },
{ 0xC4, "DR-DOS FAT16 (small)" },
{ 0xC5, "DR-DOS Extended" },
{ 0xC6, "DR-DOS FAT16" },
{ 0xC7, "HPFS mirrored" },
{ 0xCB, "DR-DOS FAT32" },
{ 0xCC, "DR-DOS FAT32 (LBA)" },
{ 0xCE, "DR-DOS FAT16 (LBA)" },
{ 0xD0, "MDOS" },
{ 0xD1, "MDOS FAT12" },
{ 0xD4, "MDOS FAT16 (small)" },
{ 0xD5, "MDOS Extended" },
{ 0xD6, "MDOS FAT16" },
{ 0xD8, "CP/M-86" },
{ 0xDF, "BootIt EMBRM(FAT16/32)" },
{ 0xEB, "BeOS BFS" },
{ 0xEE, "EFI GPT protective" },
{ 0xEF, "EFI filesystem" },
{ 0xF0, "Linux/PA-RISC boot" },
{ 0xF2, "DOS 3.3+ second" },
{ 0xFA, "Bochs" },
{ 0xFB, "VmWare" },
{ 0xFC, "VmWare swap" },
{ 0xFD, "Linux RAID" },
{ 0xFE, "NT hidden" },
};
VOID
GetPartTypeStringFromPartitionType(
UCHAR partitionType,
PCHAR strPartType,
DWORD cchPartType)
{
/* Determine partition type */
if (IsContainerPartition(partitionType))
{
StringCchCopy(strPartType, cchPartType, MUIGetString(STRING_EXTENDED_PARTITION));
}
else if (partitionType == PARTITION_ENTRY_UNUSED)
{
StringCchCopy(strPartType, cchPartType, MUIGetString(STRING_FORMATUNUSED));
}
else
{
UINT i;
/* Do the table lookup */
for (i = 0; i < ARRAYSIZE(PartitionTypes); i++)
{
if (partitionType == PartitionTypes[i].Type)
{
StringCchCopy(strPartType, cchPartType, PartitionTypes[i].Description);
return;
}
}
/* We are here because the partition type is unknown */
StringCchCopy(strPartType, cchPartType, MUIGetString(STRING_FORMATUNKNOWN));
}
}
/* FUNCTIONS ****************************************************************/
#ifdef DUMP_PARTITION_TABLE
static
VOID
DumpPartitionTable(
PDISKENTRY DiskEntry)
{
PPARTITION_INFORMATION PartitionInfo;
ULONG i;
DbgPrint("\n");
DbgPrint("Index Start Length Hidden Nr Type Boot RW\n");
DbgPrint("----- ------------ ------------ ---------- -- ---- ---- --\n");
for (i = 0; i < DiskEntry->LayoutBuffer->PartitionCount; i++)
{
PartitionInfo = &DiskEntry->LayoutBuffer->PartitionEntry[i];
DbgPrint(" %3lu %12I64u %12I64u %10lu %2lu %2x %c %c\n",
i,
PartitionInfo->StartingOffset.QuadPart / DiskEntry->BytesPerSector,
PartitionInfo->PartitionLength.QuadPart / DiskEntry->BytesPerSector,
PartitionInfo->HiddenSectors,
PartitionInfo->PartitionNumber,
PartitionInfo->PartitionType,
PartitionInfo->BootIndicator ? '*': ' ',
PartitionInfo->RewritePartition ? 'Y': 'N');
}
DbgPrint("\n");
}
#endif
ULONGLONG
AlignDown(
IN ULONGLONG Value,
IN ULONG Alignment)
{
ULONGLONG Temp;
Temp = Value / Alignment;
return Temp * Alignment;
}
ULONGLONG
AlignUp(
IN ULONGLONG Value,
IN ULONG Alignment)
{
ULONGLONG Temp, Result;
Temp = Value / Alignment;
Result = Temp * Alignment;
if (Value % Alignment)
Result += Alignment;
return Result;
}
ULONGLONG
RoundingDivide(
IN ULONGLONG Dividend,
IN ULONGLONG Divisor)
{
return (Dividend + Divisor / 2) / Divisor;
}
static
VOID
GetDriverName(
PDISKENTRY DiskEntry)
{
RTL_QUERY_REGISTRY_TABLE QueryTable[2];
WCHAR KeyName[32];
NTSTATUS Status;
RtlInitUnicodeString(&DiskEntry->DriverName,
NULL);
swprintf(KeyName,
L"\\Scsi\\Scsi Port %hu",
DiskEntry->Port);
RtlZeroMemory(&QueryTable,
sizeof(QueryTable));
QueryTable[0].Name = L"Driver";
QueryTable[0].Flags = RTL_QUERY_REGISTRY_DIRECT;
QueryTable[0].EntryContext = &DiskEntry->DriverName;
Status = RtlQueryRegistryValues(RTL_REGISTRY_DEVICEMAP,
KeyName,
QueryTable,
NULL,
NULL);
if (!NT_SUCCESS(Status))
{
DPRINT1("RtlQueryRegistryValues() failed (Status %lx)\n", Status);
}
}
static
VOID
AssignDriveLetters(
PPARTLIST List)
{
PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
PLIST_ENTRY Entry1;
PLIST_ENTRY Entry2;
CHAR Letter;
Letter = 'C';
/* Assign drive letters to primary partitions */
Entry1 = List->DiskListHead.Flink;
while (Entry1 != &List->DiskListHead)
{
DiskEntry = CONTAINING_RECORD(Entry1, DISKENTRY, ListEntry);
Entry2 = DiskEntry->PrimaryPartListHead.Flink;
while (Entry2 != &DiskEntry->PrimaryPartListHead)
{
PartEntry = CONTAINING_RECORD(Entry2, PARTENTRY, ListEntry);
PartEntry->DriveLetter = 0;
if (PartEntry->IsPartitioned &&
!IsContainerPartition(PartEntry->PartitionType))
{
if (IsRecognizedPartition(PartEntry->PartitionType) ||
(PartEntry->PartitionType == PARTITION_ENTRY_UNUSED &&
PartEntry->SectorCount.QuadPart != 0LL))
{
if (Letter <= 'Z')
{
PartEntry->DriveLetter = Letter;
Letter++;
}
}
}
Entry2 = Entry2->Flink;
}
Entry1 = Entry1->Flink;
}
/* Assign drive letters to logical drives */
Entry1 = List->DiskListHead.Flink;
while (Entry1 != &List->DiskListHead)
{
DiskEntry = CONTAINING_RECORD(Entry1, DISKENTRY, ListEntry);
Entry2 = DiskEntry->LogicalPartListHead.Flink;
while (Entry2 != &DiskEntry->LogicalPartListHead)
{
PartEntry = CONTAINING_RECORD(Entry2, PARTENTRY, ListEntry);
PartEntry->DriveLetter = 0;
if (PartEntry->IsPartitioned)
{
if (IsRecognizedPartition(PartEntry->PartitionType) ||
(PartEntry->PartitionType == PARTITION_ENTRY_UNUSED &&
PartEntry->SectorCount.QuadPart != 0LL))
{
if (Letter <= 'Z')
{
PartEntry->DriveLetter = Letter;
Letter++;
}
}
}
Entry2 = Entry2->Flink;
}
Entry1 = Entry1->Flink;
}
}
NTSTATUS
NTAPI
DiskIdentifierQueryRoutine(
PWSTR ValueName,
ULONG ValueType,
PVOID ValueData,
ULONG ValueLength,
PVOID Context,
PVOID EntryContext)
{
PBIOSDISKENTRY BiosDiskEntry = (PBIOSDISKENTRY)Context;
UNICODE_STRING NameU;
if (ValueType == REG_SZ &&
ValueLength == 20 * sizeof(WCHAR))
{
NameU.Buffer = (PWCHAR)ValueData;
NameU.Length = NameU.MaximumLength = 8 * sizeof(WCHAR);
RtlUnicodeStringToInteger(&NameU, 16, &BiosDiskEntry->Checksum);
NameU.Buffer = (PWCHAR)ValueData + 9;
RtlUnicodeStringToInteger(&NameU, 16, &BiosDiskEntry->Signature);
return STATUS_SUCCESS;
}
return STATUS_UNSUCCESSFUL;
}
NTSTATUS
NTAPI
DiskConfigurationDataQueryRoutine(
PWSTR ValueName,
ULONG ValueType,
PVOID ValueData,
ULONG ValueLength,
PVOID Context,
PVOID EntryContext)
{
PBIOSDISKENTRY BiosDiskEntry = (PBIOSDISKENTRY)Context;
PCM_FULL_RESOURCE_DESCRIPTOR FullResourceDescriptor;
PCM_DISK_GEOMETRY_DEVICE_DATA DiskGeometry;
ULONG i;
if (ValueType != REG_FULL_RESOURCE_DESCRIPTOR ||
ValueLength < sizeof(CM_FULL_RESOURCE_DESCRIPTOR))
return STATUS_UNSUCCESSFUL;
FullResourceDescriptor = (PCM_FULL_RESOURCE_DESCRIPTOR)ValueData;
/* Hm. Version and Revision are not set on Microsoft Windows XP... */
#if 0
if (FullResourceDescriptor->PartialResourceList.Version != 1 ||
FullResourceDescriptor->PartialResourceList.Revision != 1)
return STATUS_UNSUCCESSFUL;
#endif
for (i = 0; i < FullResourceDescriptor->PartialResourceList.Count; i++)
{
if (FullResourceDescriptor->PartialResourceList.PartialDescriptors[i].Type != CmResourceTypeDeviceSpecific ||
FullResourceDescriptor->PartialResourceList.PartialDescriptors[i].u.DeviceSpecificData.DataSize != sizeof(CM_DISK_GEOMETRY_DEVICE_DATA))
continue;
DiskGeometry = (PCM_DISK_GEOMETRY_DEVICE_DATA)&FullResourceDescriptor->PartialResourceList.PartialDescriptors[i + 1];
BiosDiskEntry->DiskGeometry = *DiskGeometry;
return STATUS_SUCCESS;
}
return STATUS_UNSUCCESSFUL;
}
NTSTATUS
NTAPI
SystemConfigurationDataQueryRoutine(
PWSTR ValueName,
ULONG ValueType,
PVOID ValueData,
ULONG ValueLength,
PVOID Context,
PVOID EntryContext)
{
PCM_FULL_RESOURCE_DESCRIPTOR FullResourceDescriptor;
PCM_INT13_DRIVE_PARAMETER* Int13Drives = (PCM_INT13_DRIVE_PARAMETER*)Context;
ULONG i;
if (ValueType != REG_FULL_RESOURCE_DESCRIPTOR ||
ValueLength < sizeof(CM_FULL_RESOURCE_DESCRIPTOR))
return STATUS_UNSUCCESSFUL;
FullResourceDescriptor = (PCM_FULL_RESOURCE_DESCRIPTOR)ValueData;
/* Hm. Version and Revision are not set on Microsoft Windows XP... */
#if 0
if (FullResourceDescriptor->PartialResourceList.Version != 1 ||
FullResourceDescriptor->PartialResourceList.Revision != 1)
return STATUS_UNSUCCESSFUL;
#endif
for (i = 0; i < FullResourceDescriptor->PartialResourceList.Count; i++)
{
if (FullResourceDescriptor->PartialResourceList.PartialDescriptors[i].Type != CmResourceTypeDeviceSpecific ||
FullResourceDescriptor->PartialResourceList.PartialDescriptors[i].u.DeviceSpecificData.DataSize % sizeof(CM_INT13_DRIVE_PARAMETER) != 0)
continue;
*Int13Drives = (CM_INT13_DRIVE_PARAMETER*)RtlAllocateHeap(ProcessHeap, 0,
FullResourceDescriptor->PartialResourceList.PartialDescriptors[i].u.DeviceSpecificData.DataSize);
if (*Int13Drives == NULL)
return STATUS_NO_MEMORY;
memcpy(*Int13Drives,
&FullResourceDescriptor->PartialResourceList.PartialDescriptors[i + 1],
FullResourceDescriptor->PartialResourceList.PartialDescriptors[i].u.DeviceSpecificData.DataSize);
return STATUS_SUCCESS;
}
return STATUS_UNSUCCESSFUL;
}
#define ROOT_NAME L"\\Registry\\Machine\\HARDWARE\\DESCRIPTION\\System\\MultifunctionAdapter"
static VOID
EnumerateBiosDiskEntries(
PPARTLIST PartList)
{
RTL_QUERY_REGISTRY_TABLE QueryTable[3];
WCHAR Name[120];
ULONG AdapterCount;
ULONG DiskCount;
NTSTATUS Status;
PCM_INT13_DRIVE_PARAMETER Int13Drives;
PBIOSDISKENTRY BiosDiskEntry;
memset(QueryTable, 0, sizeof(QueryTable));
QueryTable[1].Name = L"Configuration Data";
QueryTable[1].QueryRoutine = SystemConfigurationDataQueryRoutine;
Int13Drives = NULL;
Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
L"\\Registry\\Machine\\HARDWARE\\DESCRIPTION\\System",
&QueryTable[1],
(PVOID)&Int13Drives,
NULL);
if (!NT_SUCCESS(Status))
{
DPRINT1("Unable to query the 'Configuration Data' key in '\\Registry\\Machine\\HARDWARE\\DESCRIPTION\\System', status=%lx\n", Status);
return;
}
AdapterCount = 0;
while (1)
{
swprintf(Name, L"%s\\%lu", ROOT_NAME, AdapterCount);
Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
Name,
&QueryTable[2],
NULL,
NULL);
if (!NT_SUCCESS(Status))
{
break;
}
swprintf(Name, L"%s\\%lu\\DiskController", ROOT_NAME, AdapterCount);
Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
Name,
&QueryTable[2],
NULL,
NULL);
if (NT_SUCCESS(Status))
{
while (1)
{
swprintf(Name, L"%s\\%lu\\DiskController\\0", ROOT_NAME, AdapterCount);
Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
Name,
&QueryTable[2],
NULL,
NULL);
if (!NT_SUCCESS(Status))
{
RtlFreeHeap(ProcessHeap, 0, Int13Drives);
return;
}
swprintf(Name, L"%s\\%lu\\DiskController\\0\\DiskPeripheral", ROOT_NAME, AdapterCount);
Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
Name,
&QueryTable[2],
NULL,
NULL);
if (NT_SUCCESS(Status))
{
QueryTable[0].Name = L"Identifier";
QueryTable[0].QueryRoutine = DiskIdentifierQueryRoutine;
QueryTable[1].Name = L"Configuration Data";
QueryTable[1].QueryRoutine = DiskConfigurationDataQueryRoutine;
DiskCount = 0;
while (1)
{
BiosDiskEntry = (BIOSDISKENTRY*)RtlAllocateHeap(ProcessHeap, HEAP_ZERO_MEMORY, sizeof(BIOSDISKENTRY));
if (BiosDiskEntry == NULL)
{
break;
}
swprintf(Name, L"%s\\%lu\\DiskController\\0\\DiskPeripheral\\%lu", ROOT_NAME, AdapterCount, DiskCount);
Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
Name,
QueryTable,
(PVOID)BiosDiskEntry,
NULL);
if (!NT_SUCCESS(Status))
{
RtlFreeHeap(ProcessHeap, 0, BiosDiskEntry);
break;
}
BiosDiskEntry->DiskNumber = DiskCount;
BiosDiskEntry->Recognized = FALSE;
if (DiskCount < Int13Drives[0].NumberDrives)
{
BiosDiskEntry->Int13DiskData = Int13Drives[DiskCount];
}
else
{
DPRINT1("Didn't find int13 drive datas for disk %u\n", DiskCount);
}
InsertTailList(&PartList->BiosDiskListHead, &BiosDiskEntry->ListEntry);
DPRINT("DiskNumber: %lu\n", BiosDiskEntry->DiskNumber);
DPRINT("Signature: %08lx\n", BiosDiskEntry->Signature);
DPRINT("Checksum: %08lx\n", BiosDiskEntry->Checksum);
DPRINT("BytesPerSector: %lu\n", BiosDiskEntry->DiskGeometry.BytesPerSector);
DPRINT("NumberOfCylinders: %lu\n", BiosDiskEntry->DiskGeometry.NumberOfCylinders);
DPRINT("NumberOfHeads: %lu\n", BiosDiskEntry->DiskGeometry.NumberOfHeads);
DPRINT("DriveSelect: %02x\n", BiosDiskEntry->Int13DiskData.DriveSelect);
DPRINT("MaxCylinders: %lu\n", BiosDiskEntry->Int13DiskData.MaxCylinders);
DPRINT("SectorsPerTrack: %d\n", BiosDiskEntry->Int13DiskData.SectorsPerTrack);
DPRINT("MaxHeads: %d\n", BiosDiskEntry->Int13DiskData.MaxHeads);
DPRINT("NumberDrives: %d\n", BiosDiskEntry->Int13DiskData.NumberDrives);
DiskCount++;
}
}
RtlFreeHeap(ProcessHeap, 0, Int13Drives);
return;
}
}
AdapterCount++;
}
RtlFreeHeap(ProcessHeap, 0, Int13Drives);
}
static
VOID
AddPartitionToDisk(
ULONG DiskNumber,
PDISKENTRY DiskEntry,
ULONG PartitionIndex,
BOOLEAN LogicalPartition)
{
PPARTITION_INFORMATION PartitionInfo;
PPARTENTRY PartEntry;
PartitionInfo = &DiskEntry->LayoutBuffer->PartitionEntry[PartitionIndex];
if (PartitionInfo->PartitionType == 0 ||
((LogicalPartition != FALSE) && IsContainerPartition(PartitionInfo->PartitionType)))
return;
PartEntry = RtlAllocateHeap(ProcessHeap,
HEAP_ZERO_MEMORY,
sizeof(PARTENTRY));
if (PartEntry == NULL)
{
return;
}
PartEntry->DiskEntry = DiskEntry;
PartEntry->StartSector.QuadPart = (ULONGLONG)PartitionInfo->StartingOffset.QuadPart / DiskEntry->BytesPerSector;
PartEntry->SectorCount.QuadPart = (ULONGLONG)PartitionInfo->PartitionLength.QuadPart / DiskEntry->BytesPerSector;
PartEntry->BootIndicator = PartitionInfo->BootIndicator;
PartEntry->PartitionType = PartitionInfo->PartitionType;
PartEntry->HiddenSectors = PartitionInfo->HiddenSectors;
PartEntry->LogicalPartition = LogicalPartition;
PartEntry->IsPartitioned = TRUE;
PartEntry->PartitionNumber = PartitionInfo->PartitionNumber;
PartEntry->PartitionIndex = PartitionIndex;
if (IsContainerPartition(PartEntry->PartitionType))
{
PartEntry->FormatState = Unformatted;
if (LogicalPartition == FALSE && DiskEntry->ExtendedPartition == NULL)
DiskEntry->ExtendedPartition = PartEntry;
}
else if ((PartEntry->PartitionType == PARTITION_FAT_12) ||
(PartEntry->PartitionType == PARTITION_FAT_16) ||
(PartEntry->PartitionType == PARTITION_HUGE) ||
(PartEntry->PartitionType == PARTITION_XINT13) ||
(PartEntry->PartitionType == PARTITION_FAT32) ||
(PartEntry->PartitionType == PARTITION_FAT32_XINT13))
{
#if 0
if (CheckFatFormat())
{
PartEntry->FormatState = Preformatted;
}
else
{
PartEntry->FormatState = Unformatted;
}
#endif
PartEntry->FormatState = Preformatted;
}
else if (PartEntry->PartitionType == PARTITION_EXT2)
{
#if 0
if (CheckExt2Format())
{
PartEntry->FormatState = Preformatted;
}
else
{
PartEntry->FormatState = Unformatted;
}
#endif
PartEntry->FormatState = Preformatted;
}
else if (PartEntry->PartitionType == PARTITION_IFS)
{
#if 0
if (CheckNtfsFormat())
{
PartEntry->FormatState = Preformatted;
}
else if (CheckHpfsFormat())
{
PartEntry->FormatState = Preformatted;
}
else
{
PartEntry->FormatState = Unformatted;
}
#endif
PartEntry->FormatState = Preformatted;
}
else
{
PartEntry->FormatState = UnknownFormat;
}
if (LogicalPartition)
InsertTailList(&DiskEntry->LogicalPartListHead,
&PartEntry->ListEntry);
else
InsertTailList(&DiskEntry->PrimaryPartListHead,
&PartEntry->ListEntry);
}
static
VOID
ScanForUnpartitionedDiskSpace(
PDISKENTRY DiskEntry)
{
ULONGLONG LastStartSector;
ULONGLONG LastSectorCount;
ULONGLONG LastUnusedSectorCount;
PPARTENTRY PartEntry;
PPARTENTRY NewPartEntry;
PLIST_ENTRY Entry;
DPRINT("ScanForUnpartitionedDiskSpace()\n");
if (IsListEmpty(&DiskEntry->PrimaryPartListHead))
{
DPRINT1("No primary partition!\n");
/* Create a partition table that represents the empty disk */
NewPartEntry = RtlAllocateHeap(ProcessHeap,
HEAP_ZERO_MEMORY,
sizeof(PARTENTRY));
if (NewPartEntry == NULL)
return;
NewPartEntry->DiskEntry = DiskEntry;
NewPartEntry->IsPartitioned = FALSE;
NewPartEntry->StartSector.QuadPart = (ULONGLONG)DiskEntry->SectorAlignment;
NewPartEntry->SectorCount.QuadPart = AlignDown(DiskEntry->SectorCount.QuadPart, DiskEntry->SectorAlignment) -
NewPartEntry->StartSector.QuadPart;
DPRINT1("First Sector: %I64u\n", NewPartEntry->StartSector.QuadPart);
DPRINT1("Last Sector: %I64u\n", NewPartEntry->StartSector.QuadPart + NewPartEntry->SectorCount.QuadPart - 1);
DPRINT1("Total Sectors: %I64u\n", NewPartEntry->SectorCount.QuadPart);
NewPartEntry->FormatState = Unformatted;
InsertTailList(&DiskEntry->PrimaryPartListHead,
&NewPartEntry->ListEntry);
return;
}
/* Start partition at head 1, cylinder 0 */
LastStartSector = DiskEntry->SectorAlignment;
LastSectorCount = 0ULL;
LastUnusedSectorCount = 0ULL;
Entry = DiskEntry->PrimaryPartListHead.Flink;
while (Entry != &DiskEntry->PrimaryPartListHead)
{
PartEntry = CONTAINING_RECORD(Entry, PARTENTRY, ListEntry);
if (PartEntry->PartitionType != PARTITION_ENTRY_UNUSED ||
PartEntry->SectorCount.QuadPart != 0ULL)
{
LastUnusedSectorCount =
PartEntry->StartSector.QuadPart - (LastStartSector + LastSectorCount);
if (PartEntry->StartSector.QuadPart > (LastStartSector + LastSectorCount) &&
LastUnusedSectorCount >= (ULONGLONG)DiskEntry->SectorAlignment)
{
DPRINT("Unpartitioned disk space %I64u sectors\n", LastUnusedSectorCount);
NewPartEntry = RtlAllocateHeap(ProcessHeap,
HEAP_ZERO_MEMORY,
sizeof(PARTENTRY));
if (NewPartEntry == NULL)
return;
NewPartEntry->DiskEntry = DiskEntry;
NewPartEntry->IsPartitioned = FALSE;
NewPartEntry->StartSector.QuadPart = LastStartSector + LastSectorCount;
NewPartEntry->SectorCount.QuadPart = AlignDown(NewPartEntry->StartSector.QuadPart + LastUnusedSectorCount, DiskEntry->SectorAlignment) -
NewPartEntry->StartSector.QuadPart;
DPRINT1("First Sector: %I64u\n", NewPartEntry->StartSector.QuadPart);
DPRINT1("Last Sector: %I64u\n", NewPartEntry->StartSector.QuadPart + NewPartEntry->SectorCount.QuadPart - 1);
DPRINT1("Total Sectors: %I64u\n", NewPartEntry->SectorCount.QuadPart);
NewPartEntry->FormatState = Unformatted;
/* Insert the table into the list */
InsertTailList(&PartEntry->ListEntry,
&NewPartEntry->ListEntry);
}
LastStartSector = PartEntry->StartSector.QuadPart;
LastSectorCount = PartEntry->SectorCount.QuadPart;
}
Entry = Entry->Flink;
}
/* Check for trailing unpartitioned disk space */
if ((LastStartSector + LastSectorCount) < DiskEntry->SectorCount.QuadPart)
{
LastUnusedSectorCount = AlignDown(DiskEntry->SectorCount.QuadPart - (LastStartSector + LastSectorCount), DiskEntry->SectorAlignment);
if (LastUnusedSectorCount >= (ULONGLONG)DiskEntry->SectorAlignment)
{
DPRINT("Unpartitioned disk space: %I64u sectors\n", LastUnusedSectorCount);
NewPartEntry = RtlAllocateHeap(ProcessHeap,
HEAP_ZERO_MEMORY,
sizeof(PARTENTRY));
if (NewPartEntry == NULL)
return;
NewPartEntry->DiskEntry = DiskEntry;
NewPartEntry->IsPartitioned = FALSE;
NewPartEntry->StartSector.QuadPart = LastStartSector + LastSectorCount;
NewPartEntry->SectorCount.QuadPart = AlignDown(NewPartEntry->StartSector.QuadPart + LastUnusedSectorCount, DiskEntry->SectorAlignment) -
NewPartEntry->StartSector.QuadPart;
DPRINT("First Sector: %I64u\n", NewPartEntry->StartSector.QuadPart);
DPRINT("Last Sector: %I64u\n", NewPartEntry->StartSector.QuadPart + NewPartEntry->SectorCount.QuadPart - 1);
DPRINT("Total Sectors: %I64u\n", NewPartEntry->SectorCount.QuadPart);
NewPartEntry->FormatState = Unformatted;
/* Append the table to the list */
InsertTailList(&DiskEntry->PrimaryPartListHead,
&NewPartEntry->ListEntry);
}
}
if (DiskEntry->ExtendedPartition != NULL)
{
if (IsListEmpty(&DiskEntry->LogicalPartListHead))
{
DPRINT1("No logical partition!\n");
/* Create a partition table entry that represents the empty extended partition */
NewPartEntry = RtlAllocateHeap(ProcessHeap,
HEAP_ZERO_MEMORY,
sizeof(PARTENTRY));
if (NewPartEntry == NULL)
return;
NewPartEntry->DiskEntry = DiskEntry;
NewPartEntry->LogicalPartition = TRUE;
NewPartEntry->IsPartitioned = FALSE;
NewPartEntry->StartSector.QuadPart = DiskEntry->ExtendedPartition->StartSector.QuadPart + (ULONGLONG)DiskEntry->SectorAlignment;
NewPartEntry->SectorCount.QuadPart = DiskEntry->ExtendedPartition->SectorCount.QuadPart - (ULONGLONG)DiskEntry->SectorAlignment;
DPRINT1("First Sector: %I64u\n", NewPartEntry->StartSector.QuadPart);
DPRINT1("Last Sector: %I64u\n", NewPartEntry->StartSector.QuadPart + NewPartEntry->SectorCount.QuadPart - 1);
DPRINT1("Total Sectors: %I64u\n", NewPartEntry->SectorCount.QuadPart);
NewPartEntry->FormatState = Unformatted;
InsertTailList(&DiskEntry->LogicalPartListHead,
&NewPartEntry->ListEntry);
return;
}
/* Start partition at head 1, cylinder 0 */
LastStartSector = DiskEntry->ExtendedPartition->StartSector.QuadPart + (ULONGLONG)DiskEntry->SectorAlignment;
LastSectorCount = 0ULL;
LastUnusedSectorCount = 0ULL;
Entry = DiskEntry->LogicalPartListHead.Flink;
while (Entry != &DiskEntry->LogicalPartListHead)
{
PartEntry = CONTAINING_RECORD(Entry, PARTENTRY, ListEntry);
if (PartEntry->PartitionType != PARTITION_ENTRY_UNUSED ||
PartEntry->SectorCount.QuadPart != 0ULL)
{
LastUnusedSectorCount =
PartEntry->StartSector.QuadPart - (ULONGLONG)DiskEntry->SectorAlignment - (LastStartSector + LastSectorCount);
if ((PartEntry->StartSector.QuadPart - (ULONGLONG)DiskEntry->SectorAlignment) > (LastStartSector + LastSectorCount) &&
LastUnusedSectorCount >= (ULONGLONG)DiskEntry->SectorAlignment)
{
DPRINT("Unpartitioned disk space %I64u sectors\n", LastUnusedSectorCount);
NewPartEntry = RtlAllocateHeap(ProcessHeap,
HEAP_ZERO_MEMORY,
sizeof(PARTENTRY));
if (NewPartEntry == NULL)
return;
NewPartEntry->DiskEntry = DiskEntry;
NewPartEntry->LogicalPartition = TRUE;
NewPartEntry->IsPartitioned = FALSE;
NewPartEntry->StartSector.QuadPart = LastStartSector + LastSectorCount;
NewPartEntry->SectorCount.QuadPart = AlignDown(NewPartEntry->StartSector.QuadPart + LastUnusedSectorCount, DiskEntry->SectorAlignment) -
NewPartEntry->StartSector.QuadPart;
DPRINT("First Sector: %I64u\n", NewPartEntry->StartSector.QuadPart);
DPRINT("Last Sector: %I64u\n", NewPartEntry->StartSector.QuadPart + NewPartEntry->SectorCount.QuadPart - 1);
DPRINT("Total Sectors: %I64u\n", NewPartEntry->SectorCount.QuadPart);
NewPartEntry->FormatState = Unformatted;
/* Insert the table into the list */
InsertTailList(&PartEntry->ListEntry,
&NewPartEntry->ListEntry);
}
LastStartSector = PartEntry->StartSector.QuadPart;
LastSectorCount = PartEntry->SectorCount.QuadPart;
}
Entry = Entry->Flink;
}
/* Check for trailing unpartitioned disk space */
if ((LastStartSector + LastSectorCount) < DiskEntry->ExtendedPartition->StartSector.QuadPart + DiskEntry->ExtendedPartition->SectorCount.QuadPart)
{
LastUnusedSectorCount = AlignDown(DiskEntry->ExtendedPartition->StartSector.QuadPart + DiskEntry->ExtendedPartition->SectorCount.QuadPart - (LastStartSector + LastSectorCount), DiskEntry->SectorAlignment);
if (LastUnusedSectorCount >= (ULONGLONG)DiskEntry->SectorAlignment)
{
DPRINT("Unpartitioned disk space: %I64u sectors\n", LastUnusedSectorCount);
NewPartEntry = RtlAllocateHeap(ProcessHeap,
HEAP_ZERO_MEMORY,
sizeof(PARTENTRY));
if (NewPartEntry == NULL)
return;
NewPartEntry->DiskEntry = DiskEntry;
NewPartEntry->LogicalPartition = TRUE;
NewPartEntry->IsPartitioned = FALSE;
NewPartEntry->StartSector.QuadPart = LastStartSector + LastSectorCount;
NewPartEntry->SectorCount.QuadPart = AlignDown(NewPartEntry->StartSector.QuadPart + LastUnusedSectorCount, DiskEntry->SectorAlignment) -
NewPartEntry->StartSector.QuadPart;
DPRINT("First Sector: %I64u\n", NewPartEntry->StartSector.QuadPart);
DPRINT("Last Sector: %I64u\n", NewPartEntry->StartSector.QuadPart + NewPartEntry->SectorCount.QuadPart - 1);
DPRINT("Total Sectors: %I64u\n", NewPartEntry->SectorCount.QuadPart);
NewPartEntry->FormatState = Unformatted;
/* Append the table to the list */
InsertTailList(&DiskEntry->LogicalPartListHead,
&NewPartEntry->ListEntry);
}
}
}
DPRINT("ScanForUnpartitionedDiskSpace() done\n");
}
static
VOID
SetDiskSignature(
IN PPARTLIST List,
IN PDISKENTRY DiskEntry)
{
LARGE_INTEGER SystemTime;
TIME_FIELDS TimeFields;
PLIST_ENTRY Entry2;
PDISKENTRY DiskEntry2;
PUCHAR Buffer;
Buffer = (PUCHAR)&DiskEntry->LayoutBuffer->Signature;
while (1)
{
NtQuerySystemTime(&SystemTime);
RtlTimeToTimeFields(&SystemTime, &TimeFields);
Buffer[0] = (UCHAR)(TimeFields.Year & 0xFF) + (UCHAR)(TimeFields.Hour & 0xFF);
Buffer[1] = (UCHAR)(TimeFields.Year >> 8) + (UCHAR)(TimeFields.Minute & 0xFF);
Buffer[2] = (UCHAR)(TimeFields.Month & 0xFF) + (UCHAR)(TimeFields.Second & 0xFF);
Buffer[3] = (UCHAR)(TimeFields.Day & 0xFF) + (UCHAR)(TimeFields.Milliseconds & 0xFF);
if (DiskEntry->LayoutBuffer->Signature == 0)
{
continue;
}
/* check if the signature already exist */
/* FIXME:
* Check also signatures from disks, which are
* not visible (bootable) by the bios.
*/
Entry2 = List->DiskListHead.Flink;
while (Entry2 != &List->DiskListHead)
{
DiskEntry2 = CONTAINING_RECORD(Entry2, DISKENTRY, ListEntry);
if (DiskEntry != DiskEntry2 &&
DiskEntry->LayoutBuffer->Signature == DiskEntry2->LayoutBuffer->Signature)
break;
Entry2 = Entry2->Flink;
}
if (Entry2 == &List->DiskListHead)
break;
}
}
static
VOID
UpdateDiskSignatures(
PPARTLIST List)
{
PLIST_ENTRY Entry;
PDISKENTRY DiskEntry;
/* Print partition lines*/
Entry = List->DiskListHead.Flink;
while (Entry != &List->DiskListHead)
{
DiskEntry = CONTAINING_RECORD(Entry, DISKENTRY, ListEntry);
if (DiskEntry->LayoutBuffer &&
DiskEntry->LayoutBuffer->Signature == 0)
{
SetDiskSignature(List, DiskEntry);
DiskEntry->LayoutBuffer->PartitionEntry[0].RewritePartition = TRUE;
}
Entry = Entry->Flink;
}
}
static
VOID
AddDiskToList(
HANDLE FileHandle,
ULONG DiskNumber,
PPARTLIST List)
{
DISK_GEOMETRY DiskGeometry;
SCSI_ADDRESS ScsiAddress;
PDISKENTRY DiskEntry;
IO_STATUS_BLOCK Iosb;
NTSTATUS Status;
PPARTITION_SECTOR Mbr;
PULONG Buffer;
LARGE_INTEGER FileOffset;
WCHAR Identifier[20];
ULONG Checksum;
ULONG Signature;
ULONG i;
PLIST_ENTRY ListEntry;
PBIOSDISKENTRY BiosDiskEntry;
ULONG LayoutBufferSize;
PDRIVE_LAYOUT_INFORMATION NewLayoutBuffer;
Status = NtDeviceIoControlFile(FileHandle,
NULL,
NULL,
NULL,
&Iosb,
IOCTL_DISK_GET_DRIVE_GEOMETRY,
NULL,
0,
&DiskGeometry,
sizeof(DISK_GEOMETRY));
if (!NT_SUCCESS(Status))
{
return;
}
if (DiskGeometry.MediaType != FixedMedia &&
DiskGeometry.MediaType != RemovableMedia)
{
return;
}
Status = NtDeviceIoControlFile(FileHandle,
NULL,
NULL,
NULL,
&Iosb,
IOCTL_SCSI_GET_ADDRESS,
NULL,
0,
&ScsiAddress,
sizeof(SCSI_ADDRESS));
if (!NT_SUCCESS(Status))
{
return;
}
Mbr = (PARTITION_SECTOR*)RtlAllocateHeap(ProcessHeap,
0,
DiskGeometry.BytesPerSector);
if (Mbr == NULL)
{
return;
}
FileOffset.QuadPart = 0;
Status = NtReadFile(FileHandle,
NULL,
NULL,
NULL,
&Iosb,
(PVOID)Mbr,
DiskGeometry.BytesPerSector,
&FileOffset,
NULL);
if (!NT_SUCCESS(Status))
{
RtlFreeHeap(ProcessHeap, 0, Mbr);
DPRINT1("NtReadFile failed, status=%x\n", Status);
return;
}
Signature = Mbr->Signature;
/* Calculate the MBR checksum */
Checksum = 0;
Buffer = (PULONG)Mbr;
for (i = 0; i < 128; i++)
{
Checksum += Buffer[i];
}
Checksum = ~Checksum + 1;
swprintf(Identifier, L"%08x-%08x-A", Checksum, Signature);
DPRINT("Identifier: %S\n", Identifier);
DiskEntry = RtlAllocateHeap(ProcessHeap,
HEAP_ZERO_MEMORY,
sizeof(DISKENTRY));
if (DiskEntry == NULL)
{
return;
}
// DiskEntry->Checksum = Checksum;
// DiskEntry->Signature = Signature;
DiskEntry->BiosFound = FALSE;
/* Check if this disk has a valid MBR */
if (Mbr->BootCode[0] == 0 && Mbr->BootCode[1] == 0)
DiskEntry->NoMbr = TRUE;
else
DiskEntry->NoMbr = FALSE;
/* Free Mbr sector buffer */
RtlFreeHeap(ProcessHeap, 0, Mbr);
ListEntry = List->BiosDiskListHead.Flink;
while (ListEntry != &List->BiosDiskListHead)
{
BiosDiskEntry = CONTAINING_RECORD(ListEntry, BIOSDISKENTRY, ListEntry);
/* FIXME:
* Compare the size from bios and the reported size from driver.
* If we have more than one disk with a zero or with the same signatur
* we must create new signatures and reboot. After the reboot,
* it is possible to identify the disks.
*/
if (BiosDiskEntry->Signature == Signature &&
BiosDiskEntry->Checksum == Checksum &&
!BiosDiskEntry->Recognized)
{
if (!DiskEntry->BiosFound)
{
DiskEntry->BiosDiskNumber = BiosDiskEntry->DiskNumber;
DiskEntry->BiosFound = TRUE;
BiosDiskEntry->Recognized = TRUE;
}
else
{
}
}
ListEntry = ListEntry->Flink;
}
if (!DiskEntry->BiosFound)
{
#if 0
RtlFreeHeap(ProcessHeap, 0, DiskEntry);
return;
#else
DPRINT1("WARNING: Setup could not find a matching BIOS disk entry. Disk %d is not be bootable by the BIOS!\n", DiskNumber);
#endif
}
InitializeListHead(&DiskEntry->PrimaryPartListHead);
InitializeListHead(&DiskEntry->LogicalPartListHead);
DiskEntry->Cylinders = DiskGeometry.Cylinders.QuadPart;
DiskEntry->TracksPerCylinder = DiskGeometry.TracksPerCylinder;
DiskEntry->SectorsPerTrack = DiskGeometry.SectorsPerTrack;
DiskEntry->BytesPerSector = DiskGeometry.BytesPerSector;
DPRINT("Cylinders %I64u\n", DiskEntry->Cylinders);
DPRINT("TracksPerCylinder %lu\n", DiskEntry->TracksPerCylinder);
DPRINT("SectorsPerTrack %lu\n", DiskEntry->SectorsPerTrack);
DPRINT("BytesPerSector %lu\n", DiskEntry->BytesPerSector);
DiskEntry->SectorCount.QuadPart = DiskGeometry.Cylinders.QuadPart *
(ULONGLONG)DiskGeometry.TracksPerCylinder *
(ULONGLONG)DiskGeometry.SectorsPerTrack;
DiskEntry->SectorAlignment = DiskGeometry.SectorsPerTrack;
DiskEntry->CylinderAlignment = DiskGeometry.TracksPerCylinder *
DiskGeometry.SectorsPerTrack;
DPRINT("SectorCount %I64u\n", DiskEntry->SectorCount.QuadPart);
DPRINT("SectorAlignment %lu\n", DiskEntry->SectorAlignment);
DiskEntry->DiskNumber = DiskNumber;
DiskEntry->Port = ScsiAddress.PortNumber;
DiskEntry->Bus = ScsiAddress.PathId;
DiskEntry->Id = ScsiAddress.TargetId;
GetDriverName(DiskEntry);
InsertAscendingList(&List->DiskListHead, DiskEntry, DISKENTRY, ListEntry, DiskNumber);
/* Allocate a layout buffer with 4 partition entries first */
LayoutBufferSize = sizeof(DRIVE_LAYOUT_INFORMATION) +
((4 - ANYSIZE_ARRAY) * sizeof(PARTITION_INFORMATION));
DiskEntry->LayoutBuffer = RtlAllocateHeap(ProcessHeap,
HEAP_ZERO_MEMORY,
LayoutBufferSize);
if (DiskEntry->LayoutBuffer == NULL)
{
DPRINT1("Failed to allocate the disk layout buffer!\n");
return;
}
for (;;)
{
DPRINT1("Buffer size: %lu\n", LayoutBufferSize);
Status = NtDeviceIoControlFile(FileHandle,
NULL,
NULL,
NULL,
&Iosb,
IOCTL_DISK_GET_DRIVE_LAYOUT,
NULL,
0,
DiskEntry->LayoutBuffer,
LayoutBufferSize);
if (NT_SUCCESS(Status))
break;
if (Status != STATUS_BUFFER_TOO_SMALL)
{
DPRINT1("NtDeviceIoControlFile() failed (Status: 0x%08lx)\n", Status);
return;
}
LayoutBufferSize += 4 * sizeof(PARTITION_INFORMATION);
NewLayoutBuffer = RtlReAllocateHeap(ProcessHeap,
HEAP_ZERO_MEMORY,
DiskEntry->LayoutBuffer,
LayoutBufferSize);
if (NewLayoutBuffer == NULL)
{
DPRINT1("Failed to reallocate the disk layout buffer!\n");
return;
}
DiskEntry->LayoutBuffer = NewLayoutBuffer;
}
DPRINT1("PartitionCount: %lu\n", DiskEntry->LayoutBuffer->PartitionCount);
#ifdef DUMP_PARTITION_TABLE
DumpPartitionTable(DiskEntry);
#endif
if (DiskEntry->LayoutBuffer->PartitionEntry[0].StartingOffset.QuadPart != 0 &&
DiskEntry->LayoutBuffer->PartitionEntry[0].PartitionLength.QuadPart != 0 &&
DiskEntry->LayoutBuffer->PartitionEntry[0].PartitionType != 0)
{
if ((DiskEntry->LayoutBuffer->PartitionEntry[0].StartingOffset.QuadPart / DiskEntry->BytesPerSector) % DiskEntry->SectorsPerTrack == 0)
{
DPRINT("Use %lu Sector alignment!\n", DiskEntry->SectorsPerTrack);
}
else if (DiskEntry->LayoutBuffer->PartitionEntry[0].StartingOffset.QuadPart % (1024 * 1024) == 0)
{
DPRINT1("Use megabyte (%lu Sectors) alignment!\n", (1024 * 1024) / DiskEntry->BytesPerSector);
}
else
{
DPRINT1("No matching alignment found! Partition 1 starts at %I64u\n", DiskEntry->LayoutBuffer->PartitionEntry[0].StartingOffset.QuadPart);
}
}
else
{
DPRINT1("No valid partition table found! Use megabyte (%lu Sectors) alignment!\n", (1024 * 1024) / DiskEntry->BytesPerSector);
}
if (DiskEntry->LayoutBuffer->PartitionCount == 0)
{
DiskEntry->NewDisk = TRUE;
DiskEntry->LayoutBuffer->PartitionCount = 4;
for (i = 0; i < 4; i++)
DiskEntry->LayoutBuffer->PartitionEntry[i].RewritePartition = TRUE;
}
else
{
for (i = 0; i < 4; i++)
{
AddPartitionToDisk(DiskNumber, DiskEntry, i, FALSE);
}
for (i = 4; i < DiskEntry->LayoutBuffer->PartitionCount; i += 4)
{
AddPartitionToDisk(DiskNumber, DiskEntry, i, TRUE);
}
}
ScanForUnpartitionedDiskSpace(DiskEntry);
}
PPARTLIST
CreatePartitionList(
SHORT Left,
SHORT Top,
SHORT Right,
SHORT Bottom)
{
PPARTLIST List;
OBJECT_ATTRIBUTES ObjectAttributes;
SYSTEM_DEVICE_INFORMATION Sdi;
IO_STATUS_BLOCK Iosb;
ULONG ReturnSize;
NTSTATUS Status;
ULONG DiskNumber;
WCHAR Buffer[MAX_PATH];
UNICODE_STRING Name;
HANDLE FileHandle;
List = (PPARTLIST)RtlAllocateHeap(ProcessHeap,
0,
sizeof (PARTLIST));
if (List == NULL)
return NULL;
List->Left = Left;
List->Top = Top;
List->Right = Right;
List->Bottom = Bottom;
List->Line = 0;
List->Offset = 0;
List->CurrentDisk = NULL;
List->CurrentPartition = NULL;
List->SystemDisk = NULL;
List->SystemPartition = NULL;
List->OriginalSystemDisk = NULL;
List->OriginalSystemPartition = NULL;
List->TempDisk = NULL;
List->TempPartition = NULL;
List->FormatState = Start;
InitializeListHead(&List->DiskListHead);
InitializeListHead(&List->BiosDiskListHead);
EnumerateBiosDiskEntries(List);
Status = NtQuerySystemInformation(SystemDeviceInformation,
&Sdi,
sizeof(SYSTEM_DEVICE_INFORMATION),
&ReturnSize);
if (!NT_SUCCESS(Status))
{
RtlFreeHeap(ProcessHeap, 0, List);
return NULL;
}
for (DiskNumber = 0; DiskNumber < Sdi.NumberOfDisks; DiskNumber++)
{
swprintf(Buffer,
L"\\Device\\Harddisk%d\\Partition0",
DiskNumber);
RtlInitUnicodeString(&Name,
Buffer);
InitializeObjectAttributes(&ObjectAttributes,
&Name,
0,
NULL,
NULL);
Status = NtOpenFile(&FileHandle,
FILE_READ_DATA | FILE_READ_ATTRIBUTES | SYNCHRONIZE,
&ObjectAttributes,
&Iosb,
FILE_SHARE_READ,
FILE_SYNCHRONOUS_IO_NONALERT);
if (NT_SUCCESS(Status))
{
AddDiskToList(FileHandle, DiskNumber, List);
NtClose(FileHandle);
}
}
UpdateDiskSignatures(List);
AssignDriveLetters(List);
/* Search for first usable disk and partition */
if (IsListEmpty(&List->DiskListHead))
{
List->CurrentDisk = NULL;
List->CurrentPartition = NULL;
}
else
{
List->CurrentDisk = CONTAINING_RECORD(List->DiskListHead.Flink,
DISKENTRY,
ListEntry);
if (IsListEmpty(&List->CurrentDisk->PrimaryPartListHead))
{
List->CurrentPartition = 0;
}
else
{
List->CurrentPartition = CONTAINING_RECORD(List->CurrentDisk->PrimaryPartListHead.Flink,
PARTENTRY,
ListEntry);
}
}
return List;
}
VOID
DestroyPartitionList(
PPARTLIST List)
{
PDISKENTRY DiskEntry;
PBIOSDISKENTRY BiosDiskEntry;
PPARTENTRY PartEntry;
PLIST_ENTRY Entry;
/* Release disk and partition info */
while (!IsListEmpty(&List->DiskListHead))
{
Entry = RemoveHeadList(&List->DiskListHead);
DiskEntry = CONTAINING_RECORD(Entry, DISKENTRY, ListEntry);
/* Release driver name */
RtlFreeUnicodeString(&DiskEntry->DriverName);
/* Release primary partition list */
while (!IsListEmpty(&DiskEntry->PrimaryPartListHead))
{
Entry = RemoveHeadList(&DiskEntry->PrimaryPartListHead);
PartEntry = CONTAINING_RECORD(Entry, PARTENTRY, ListEntry);
RtlFreeHeap(ProcessHeap, 0, PartEntry);
}
/* Release logical partition list */
while (!IsListEmpty(&DiskEntry->LogicalPartListHead))
{
Entry = RemoveHeadList(&DiskEntry->LogicalPartListHead);
PartEntry = CONTAINING_RECORD(Entry, PARTENTRY, ListEntry);
RtlFreeHeap(ProcessHeap, 0, PartEntry);
}
/* Release layout buffer */
if (DiskEntry->LayoutBuffer != NULL)
RtlFreeHeap(ProcessHeap, 0, DiskEntry->LayoutBuffer);
/* Release disk entry */
RtlFreeHeap(ProcessHeap, 0, DiskEntry);
}
/* Release the bios disk info */
while (!IsListEmpty(&List->BiosDiskListHead))
{
Entry = RemoveHeadList(&List->BiosDiskListHead);
BiosDiskEntry = CONTAINING_RECORD(Entry, BIOSDISKENTRY, ListEntry);
RtlFreeHeap(ProcessHeap, 0, BiosDiskEntry);
}
/* Release list head */
RtlFreeHeap(ProcessHeap, 0, List);
}
static
VOID
PrintEmptyLine(
PPARTLIST List)
{
COORD coPos;
DWORD Written;
USHORT Width;
USHORT Height;
Width = List->Right - List->Left - 1;
Height = List->Bottom - List->Top - 2;
coPos.X = List->Left + 1;
coPos.Y = List->Top + 1 + List->Line;
if (List->Line >= 0 && List->Line <= Height)
{
FillConsoleOutputAttribute(StdOutput,
FOREGROUND_WHITE | BACKGROUND_BLUE,
Width,
coPos,
&Written);
FillConsoleOutputCharacterA(StdOutput,
' ',
Width,
coPos,
&Written);
}
List->Line++;
}
static
VOID
PrintPartitionData(
PPARTLIST List,
PDISKENTRY DiskEntry,
PPARTENTRY PartEntry)
{
CHAR LineBuffer[128];
COORD coPos;
DWORD Written;
USHORT Width;
USHORT Height;
LARGE_INTEGER PartSize;
PCHAR Unit;
UCHAR Attribute;
CHAR PartTypeString[32];
PCHAR PartType;
PartType = PartTypeString;
Width = List->Right - List->Left - 1;
Height = List->Bottom - List->Top - 2;
coPos.X = List->Left + 1;
coPos.Y = List->Top + 1 + List->Line;
if (PartEntry->IsPartitioned == FALSE)
{
PartSize.QuadPart = PartEntry->SectorCount.QuadPart * DiskEntry->BytesPerSector;
#if 0
if (PartSize.QuadPart >= 10737418240) /* 10 GB */
{
PartSize.QuadPart = RoundingDivide(PartSize.QuadPart, 1073741824);
Unit = MUIGetString(STRING_GB);
}
else
#endif
if (PartSize.QuadPart >= 10485760) /* 10 MB */
{
PartSize.QuadPart = RoundingDivide(PartSize.QuadPart, 1048576);
Unit = MUIGetString(STRING_MB);
}
else
{
PartSize.QuadPart = RoundingDivide(PartSize.QuadPart, 1024);
Unit = MUIGetString(STRING_KB);
}
sprintf(LineBuffer,
MUIGetString(STRING_UNPSPACE),
PartEntry->LogicalPartition ? " " : "",
PartEntry->LogicalPartition ? "" : " ",
PartSize.u.LowPart,
Unit);
}
else
{
/* Determine partition type */
PartTypeString[0] = '\0';
if (PartEntry->New != FALSE)
{
PartType = MUIGetString(STRING_UNFORMATTED);
}
else if (PartEntry->IsPartitioned != FALSE)
{
GetPartTypeStringFromPartitionType(PartEntry->PartitionType,
PartTypeString,
ARRAYSIZE(PartTypeString));
PartType = PartTypeString;
}
PartSize.QuadPart = PartEntry->SectorCount.QuadPart * DiskEntry->BytesPerSector;
#if 0
if (PartSize.QuadPart >= 10737418240) /* 10 GB */
{
PartSize.QuadPart = RoundingDivide(PartSize.QuadPart, 1073741824);
Unit = MUIGetString(STRING_GB);
}
else
#endif
if (PartSize.QuadPart >= 10485760) /* 10 MB */
{
PartSize.QuadPart = RoundingDivide(PartSize.QuadPart, 1048576);
Unit = MUIGetString(STRING_MB);
}
else
{
PartSize.QuadPart = RoundingDivide(PartSize.QuadPart, 1024);
Unit = MUIGetString(STRING_KB);
}
if (strcmp(PartType, MUIGetString(STRING_FORMATUNKNOWN)) == 0)
{
sprintf(LineBuffer,
MUIGetString(STRING_HDDINFOUNK5),
(PartEntry->DriveLetter == 0) ? '-' : PartEntry->DriveLetter,
(PartEntry->DriveLetter == 0) ? '-' : ':',
PartEntry->BootIndicator ? '*' : ' ',
PartEntry->LogicalPartition ? " " : "",
PartEntry->PartitionType,
PartEntry->LogicalPartition ? "" : " ",
PartSize.u.LowPart,
Unit);
}
else
{
sprintf(LineBuffer,
"%c%c %c %s%-24s%s %6lu %s",
(PartEntry->DriveLetter == 0) ? '-' : PartEntry->DriveLetter,
(PartEntry->DriveLetter == 0) ? '-' : ':',
PartEntry->BootIndicator ? '*' : ' ',
PartEntry->LogicalPartition ? " " : "",
PartType,
PartEntry->LogicalPartition ? "" : " ",
PartSize.u.LowPart,
Unit);
}
}
Attribute = (List->CurrentDisk == DiskEntry &&
List->CurrentPartition == PartEntry) ?
FOREGROUND_BLUE | BACKGROUND_WHITE :
FOREGROUND_WHITE | BACKGROUND_BLUE;
if (List->Line >= 0 && List->Line <= Height)
{
FillConsoleOutputCharacterA(StdOutput,
' ',
Width,
coPos,
&Written);
}
coPos.X += 4;
Width -= 8;
if (List->Line >= 0 && List->Line <= Height)
{
FillConsoleOutputAttribute(StdOutput,
Attribute,
Width,
coPos,
&Written);
}
coPos.X++;
Width -= 2;
if (List->Line >= 0 && List->Line <= Height)
{
WriteConsoleOutputCharacterA(StdOutput,
LineBuffer,
min(strlen(LineBuffer), Width),
coPos,
&Written);
}
List->Line++;
}
static
VOID
PrintDiskData(
PPARTLIST List,
PDISKENTRY DiskEntry)
{
PPARTENTRY PrimaryPartEntry, LogicalPartEntry;
PLIST_ENTRY PrimaryEntry, LogicalEntry;
CHAR LineBuffer[128];
COORD coPos;
DWORD Written;
USHORT Width;
USHORT Height;
ULARGE_INTEGER DiskSize;
PCHAR Unit;
Width = List->Right - List->Left - 1;
Height = List->Bottom - List->Top - 2;
coPos.X = List->Left + 1;
coPos.Y = List->Top + 1 + List->Line;
DiskSize.QuadPart = DiskEntry->SectorCount.QuadPart * DiskEntry->BytesPerSector;
if (DiskSize.QuadPart >= 10737418240) /* 10 GB */
{
DiskSize.QuadPart = RoundingDivide(DiskSize.QuadPart, 1073741824);
Unit = MUIGetString(STRING_GB);
}
else
{
DiskSize.QuadPart = RoundingDivide(DiskSize.QuadPart, 1048576);
if (DiskSize.QuadPart == 0)
DiskSize.QuadPart = 1;
Unit = MUIGetString(STRING_MB);
}
if (DiskEntry->DriverName.Length > 0)
{
sprintf(LineBuffer,
MUIGetString(STRING_HDINFOPARTSELECT),
DiskSize.u.LowPart,
Unit,
DiskEntry->DiskNumber,
DiskEntry->Port,
DiskEntry->Bus,
DiskEntry->Id,
DiskEntry->DriverName.Buffer);
}
else
{
sprintf(LineBuffer,
MUIGetString(STRING_HDDINFOUNK6),
DiskSize.u.LowPart,
Unit,
DiskEntry->DiskNumber,
DiskEntry->Port,
DiskEntry->Bus,
DiskEntry->Id);
}
if (List->Line >= 0 && List->Line <= Height)
{
FillConsoleOutputAttribute(StdOutput,
FOREGROUND_WHITE | BACKGROUND_BLUE,
Width,
coPos,
&Written);
FillConsoleOutputCharacterA(StdOutput,
' ',
Width,
coPos,
&Written);
}
coPos.X++;
if (List->Line >= 0 && List->Line <= Height)
{
WriteConsoleOutputCharacterA(StdOutput,
LineBuffer,
min((USHORT)strlen(LineBuffer), Width - 2),
coPos,
&Written);
}
List->Line++;
/* Print separator line */
PrintEmptyLine(List);
/* Print partition lines */
PrimaryEntry = DiskEntry->PrimaryPartListHead.Flink;
while (PrimaryEntry != &DiskEntry->PrimaryPartListHead)
{
PrimaryPartEntry = CONTAINING_RECORD(PrimaryEntry, PARTENTRY, ListEntry);
PrintPartitionData(List,
DiskEntry,
PrimaryPartEntry);
if (IsContainerPartition(PrimaryPartEntry->PartitionType))
{
LogicalEntry = DiskEntry->LogicalPartListHead.Flink;
while (LogicalEntry != &DiskEntry->LogicalPartListHead)
{
LogicalPartEntry = CONTAINING_RECORD(LogicalEntry, PARTENTRY, ListEntry);
PrintPartitionData(List,
DiskEntry,
LogicalPartEntry);
LogicalEntry = LogicalEntry->Flink;
}
}
PrimaryEntry = PrimaryEntry->Flink;
}
/* Print separator line */
PrintEmptyLine(List);
}
VOID
DrawPartitionList(
PPARTLIST List)
{
PLIST_ENTRY Entry, Entry2;
PDISKENTRY DiskEntry;
PPARTENTRY PartEntry = NULL;
COORD coPos;
DWORD Written;
SHORT i;
SHORT CurrentDiskLine;
SHORT CurrentPartLine;
SHORT LastLine;
BOOL CurrentPartLineFound = FALSE;
BOOL CurrentDiskLineFound = FALSE;
/* Calculate the line of the current disk and partition */
CurrentDiskLine = 0;
CurrentPartLine = 0;
LastLine = 0;
Entry = List->DiskListHead.Flink;
while (Entry != &List->DiskListHead)
{
DiskEntry = CONTAINING_RECORD(Entry, DISKENTRY, ListEntry);
LastLine += 2;
if (CurrentPartLineFound == FALSE)
{
CurrentPartLine += 2;
}
Entry2 = DiskEntry->PrimaryPartListHead.Flink;
while (Entry2 != &DiskEntry->PrimaryPartListHead)
{
PartEntry = CONTAINING_RECORD(Entry2, PARTENTRY, ListEntry);
if (PartEntry == List->CurrentPartition)
{
CurrentPartLineFound = TRUE;
}
Entry2 = Entry2->Flink;
if (CurrentPartLineFound == FALSE)
{
CurrentPartLine++;
}
LastLine++;
}
if (CurrentPartLineFound == FALSE)
{
Entry2 = DiskEntry->LogicalPartListHead.Flink;
while (Entry2 != &DiskEntry->LogicalPartListHead)
{
PartEntry = CONTAINING_RECORD(Entry2, PARTENTRY, ListEntry);
if (PartEntry == List->CurrentPartition)
{
CurrentPartLineFound = TRUE;
}
Entry2 = Entry2->Flink;
if (CurrentPartLineFound == FALSE)
{
CurrentPartLine++;
}
LastLine++;
}
}
if (DiskEntry == List->CurrentDisk)
{
CurrentDiskLineFound = TRUE;
}
Entry = Entry->Flink;
if (Entry != &List->DiskListHead)
{
if (CurrentDiskLineFound == FALSE)
{
CurrentPartLine ++;
CurrentDiskLine = CurrentPartLine;
}
LastLine++;
}
else
{
LastLine--;
}
}
/* If it possible, make the disk name visible */
if (CurrentPartLine < List->Offset)
{
List->Offset = CurrentPartLine;
}
else if (CurrentPartLine - List->Offset > List->Bottom - List->Top - 2)
{
List->Offset = CurrentPartLine - (List->Bottom - List->Top - 2);
}
if (CurrentDiskLine < List->Offset && CurrentPartLine - CurrentDiskLine < List->Bottom - List->Top - 2)
{
List->Offset = CurrentDiskLine;
}
/* draw upper left corner */
coPos.X = List->Left;
coPos.Y = List->Top;
FillConsoleOutputCharacterA(StdOutput,
0xDA, // '+',
1,
coPos,
&Written);
/* draw upper edge */
coPos.X = List->Left + 1;
coPos.Y = List->Top;
if (List->Offset == 0)
{
FillConsoleOutputCharacterA(StdOutput,
0xC4, // '-',
List->Right - List->Left - 1,
coPos,
&Written);
}
else
{
FillConsoleOutputCharacterA(StdOutput,
0xC4, // '-',
List->Right - List->Left - 5,
coPos,
&Written);
coPos.X = List->Right - 5;
WriteConsoleOutputCharacterA(StdOutput,
"(\x18)", // "(up)"
3,
coPos,
&Written);
coPos.X = List->Right - 2;
FillConsoleOutputCharacterA(StdOutput,
0xC4, // '-',
2,
coPos,
&Written);
}
/* draw upper right corner */
coPos.X = List->Right;
coPos.Y = List->Top;
FillConsoleOutputCharacterA(StdOutput,
0xBF, // '+',
1,
coPos,
&Written);
/* draw left and right edge */
for (i = List->Top + 1; i < List->Bottom; i++)
{
coPos.X = List->Left;
coPos.Y = i;
FillConsoleOutputCharacterA(StdOutput,
0xB3, // '|',
1,
coPos,
&Written);
coPos.X = List->Right;
FillConsoleOutputCharacterA(StdOutput,
0xB3, //'|',
1,
coPos,
&Written);
}
/* draw lower left corner */
coPos.X = List->Left;
coPos.Y = List->Bottom;
FillConsoleOutputCharacterA(StdOutput,
0xC0, // '+',
1,
coPos,
&Written);
/* draw lower edge */
coPos.X = List->Left + 1;
coPos.Y = List->Bottom;
if (LastLine - List->Offset <= List->Bottom - List->Top - 2)
{
FillConsoleOutputCharacterA(StdOutput,
0xC4, // '-',
List->Right - List->Left - 1,
coPos,
&Written);
}
else
{
FillConsoleOutputCharacterA(StdOutput,
0xC4, // '-',
List->Right - List->Left - 5,
coPos,
&Written);
coPos.X = List->Right - 5;
WriteConsoleOutputCharacterA(StdOutput,
"(\x19)", // "(down)"
3,
coPos,
&Written);
coPos.X = List->Right - 2;
FillConsoleOutputCharacterA(StdOutput,
0xC4, // '-',
2,
coPos,
&Written);
}
/* draw lower right corner */
coPos.X = List->Right;
coPos.Y = List->Bottom;
FillConsoleOutputCharacterA(StdOutput,
0xD9, // '+',
1,
coPos,
&Written);
/* print list entries */
List->Line = - List->Offset;
Entry = List->DiskListHead.Flink;
while (Entry != &List->DiskListHead)
{
DiskEntry = CONTAINING_RECORD(Entry, DISKENTRY, ListEntry);
/* Print disk entry */
PrintDiskData(List,
DiskEntry);
Entry = Entry->Flink;
}
}
DWORD
SelectPartition(
PPARTLIST List,
ULONG DiskNumber,
ULONG PartitionNumber)
{
PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
PLIST_ENTRY Entry1;
PLIST_ENTRY Entry2;
/* Check for empty disks */
if (IsListEmpty(&List->DiskListHead))
return FALSE;
/* Check for first usable entry on next disk */
Entry1 = List->CurrentDisk->ListEntry.Flink;
while (Entry1 != &List->DiskListHead)
{
DiskEntry = CONTAINING_RECORD(Entry1, DISKENTRY, ListEntry);
if (DiskEntry->DiskNumber == DiskNumber)
{
Entry2 = DiskEntry->PrimaryPartListHead.Flink;
while (Entry2 != &DiskEntry->PrimaryPartListHead)
{
PartEntry = CONTAINING_RECORD(Entry2, PARTENTRY, ListEntry);
if (PartEntry->PartitionNumber == PartitionNumber)
{
List->CurrentDisk = DiskEntry;
List->CurrentPartition = PartEntry;
DrawPartitionList(List);
return TRUE;
}
Entry2 = Entry2->Flink;
}
return FALSE;
}
Entry1 = Entry1->Flink;
}
return FALSE;
}
BOOL
ScrollDownPartitionList(
PPARTLIST List)
{
PLIST_ENTRY DiskListEntry;
PLIST_ENTRY PartListEntry;
PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
/* Fail, if no disks are available */
if (IsListEmpty(&List->DiskListHead))
return FALSE;
/* Check for next usable entry on current disk */
if (List->CurrentPartition != NULL)
{
if (List->CurrentPartition->LogicalPartition)
{
/* Logical partition */
PartListEntry = List->CurrentPartition->ListEntry.Flink;
if (PartListEntry != &List->CurrentDisk->LogicalPartListHead)
{
/* Next logical partition */
PartEntry = CONTAINING_RECORD(PartListEntry, PARTENTRY, ListEntry);
List->CurrentPartition = PartEntry;
return TRUE;
}
else
{
PartListEntry = List->CurrentDisk->ExtendedPartition->ListEntry.Flink;
if (PartListEntry != &List->CurrentDisk->PrimaryPartListHead)
{
PartEntry = CONTAINING_RECORD(PartListEntry, PARTENTRY, ListEntry);
List->CurrentPartition = PartEntry;
return TRUE;
}
}
}
else
{
/* Primary or extended partition */
if ((List->CurrentPartition->IsPartitioned != FALSE) &&
IsContainerPartition(List->CurrentPartition->PartitionType))
{
/* First logical partition */
PartListEntry = List->CurrentDisk->LogicalPartListHead.Flink;
if (PartListEntry != &List->CurrentDisk->LogicalPartListHead)
{
PartEntry = CONTAINING_RECORD(PartListEntry, PARTENTRY, ListEntry);
List->CurrentPartition = PartEntry;
return TRUE;
}
}
else
{
/* Next primary partition */
PartListEntry = List->CurrentPartition->ListEntry.Flink;
if (PartListEntry != &List->CurrentDisk->PrimaryPartListHead)
{
PartEntry = CONTAINING_RECORD(PartListEntry, PARTENTRY, ListEntry);
List->CurrentPartition = PartEntry;
return TRUE;
}
}
}
}
/* Search for the first partition entry on the next disk */
DiskListEntry = List->CurrentDisk->ListEntry.Flink;
while (DiskListEntry != &List->DiskListHead)
{
DiskEntry = CONTAINING_RECORD(DiskListEntry, DISKENTRY, ListEntry);
PartListEntry = DiskEntry->PrimaryPartListHead.Flink;
if (PartListEntry != &DiskEntry->PrimaryPartListHead)
{
PartEntry = CONTAINING_RECORD(PartListEntry, PARTENTRY, ListEntry);
List->CurrentDisk = DiskEntry;
List->CurrentPartition = PartEntry;
return TRUE;
}
DiskListEntry = DiskListEntry->Flink;
}
return FALSE;
}
BOOL
ScrollUpPartitionList(
PPARTLIST List)
{
PLIST_ENTRY DiskListEntry;
PLIST_ENTRY PartListEntry;
PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
/* Fail, if no disks are available */
if (IsListEmpty(&List->DiskListHead))
return FALSE;
/* Check for previous usable entry on current disk */
if (List->CurrentPartition != NULL)
{
if (List->CurrentPartition->LogicalPartition)
{
/* Logical partition */
PartListEntry = List->CurrentPartition->ListEntry.Blink;
if (PartListEntry != &List->CurrentDisk->LogicalPartListHead)
{
/* Previous logical partition */
PartEntry = CONTAINING_RECORD(PartListEntry, PARTENTRY, ListEntry);
}
else
{
/* Extended partition*/
PartEntry = List->CurrentDisk->ExtendedPartition;
}
List->CurrentPartition = PartEntry;
return TRUE;
}
else
{
/* Primary or extended partition */
PartListEntry = List->CurrentPartition->ListEntry.Blink;
if (PartListEntry != &List->CurrentDisk->PrimaryPartListHead)
{
PartEntry = CONTAINING_RECORD(PartListEntry, PARTENTRY, ListEntry);
if ((PartEntry->IsPartitioned != FALSE) &&
IsContainerPartition(PartEntry->PartitionType))
{
PartListEntry = List->CurrentDisk->LogicalPartListHead.Blink;
PartEntry = CONTAINING_RECORD(PartListEntry, PARTENTRY, ListEntry);
}
List->CurrentPartition = PartEntry;
return TRUE;
}
}
}
/* Search for the last partition entry on the previous disk */
DiskListEntry = List->CurrentDisk->ListEntry.Blink;
while (DiskListEntry != &List->DiskListHead)
{
DiskEntry = CONTAINING_RECORD(DiskListEntry, DISKENTRY, ListEntry);
PartListEntry = DiskEntry->PrimaryPartListHead.Blink;
if (PartListEntry != &DiskEntry->PrimaryPartListHead)
{
PartEntry = CONTAINING_RECORD(PartListEntry, PARTENTRY, ListEntry);
if ((PartEntry->IsPartitioned != FALSE) &&
IsContainerPartition(PartEntry->PartitionType))
{
PartListEntry = DiskEntry->LogicalPartListHead.Blink;
if (PartListEntry != &DiskEntry->LogicalPartListHead)
{
PartEntry = CONTAINING_RECORD(PartListEntry, PARTENTRY, ListEntry);
List->CurrentDisk = DiskEntry;
List->CurrentPartition = PartEntry;
return TRUE;
}
}
else
{
List->CurrentDisk = DiskEntry;
List->CurrentPartition = PartEntry;
return TRUE;
}
}
DiskListEntry = DiskListEntry->Blink;
}
return FALSE;
}
static
BOOLEAN
IsEmptyLayoutEntry(
PPARTITION_INFORMATION PartitionInfo)
{
if (PartitionInfo->StartingOffset.QuadPart == 0 &&
PartitionInfo->PartitionLength.QuadPart == 0)
return TRUE;
return FALSE;
}
static
BOOLEAN
IsSamePrimaryLayoutEntry(
IN PPARTITION_INFORMATION PartitionInfo,
IN PDISKENTRY DiskEntry,
IN PPARTENTRY PartEntry)
{
if (PartitionInfo->StartingOffset.QuadPart == PartEntry->StartSector.QuadPart * DiskEntry->BytesPerSector &&
PartitionInfo->PartitionLength.QuadPart == PartEntry->SectorCount.QuadPart * DiskEntry->BytesPerSector)
// PartitionInfo->PartitionNumber = PartEntry->PartitionNumber &&
// PartitionInfo->PartitionType == PartEntry->PartitionType
return TRUE;
return FALSE;
}
static
ULONG
GetPrimaryPartitionCount(
IN PDISKENTRY DiskEntry)
{
PLIST_ENTRY Entry;
PPARTENTRY PartEntry;
ULONG Count = 0;
Entry = DiskEntry->PrimaryPartListHead.Flink;
while (Entry != &DiskEntry->PrimaryPartListHead)
{
PartEntry = CONTAINING_RECORD(Entry, PARTENTRY, ListEntry);
if (PartEntry->IsPartitioned == TRUE)
Count++;
Entry = Entry->Flink;
}
return Count;
}
static
ULONG
GetLogicalPartitionCount(
PDISKENTRY DiskEntry)
{
PLIST_ENTRY ListEntry;
PPARTENTRY PartEntry;
ULONG Count = 0;
ListEntry = DiskEntry->LogicalPartListHead.Flink;
while (ListEntry != &DiskEntry->LogicalPartListHead)
{
PartEntry = CONTAINING_RECORD(ListEntry, PARTENTRY, ListEntry);
if (PartEntry->IsPartitioned)
Count++;
ListEntry = ListEntry->Flink;
}
return Count;
}
static
BOOL
ReAllocateLayoutBuffer(
PDISKENTRY DiskEntry)
{
PDRIVE_LAYOUT_INFORMATION NewLayoutBuffer;
ULONG NewPartitionCount;
ULONG CurrentPartitionCount = 0;
ULONG LayoutBufferSize;
ULONG i;
DPRINT1("ReAllocateLayoutBuffer()\n");
NewPartitionCount = 4 + GetLogicalPartitionCount(DiskEntry) * 4;
if (DiskEntry->LayoutBuffer)
CurrentPartitionCount = DiskEntry->LayoutBuffer->PartitionCount;
DPRINT1("CurrentPartitionCount: %lu NewPartitionCount: %lu\n",
CurrentPartitionCount, NewPartitionCount);
if (CurrentPartitionCount == NewPartitionCount)
return TRUE;
LayoutBufferSize = sizeof(DRIVE_LAYOUT_INFORMATION) +
((NewPartitionCount - ANYSIZE_ARRAY) * sizeof(PARTITION_INFORMATION));
NewLayoutBuffer = RtlReAllocateHeap(ProcessHeap,
HEAP_ZERO_MEMORY,
DiskEntry->LayoutBuffer,
LayoutBufferSize);
if (NewLayoutBuffer == NULL)
{
DPRINT1("Failed to allocate the new layout buffer (size: %lu)\n", LayoutBufferSize);
return FALSE;
}
/* If the layout buffer grows, make sure the new (empty) entries are written to the disk */
if (NewPartitionCount > CurrentPartitionCount)
{
for (i = CurrentPartitionCount; i < NewPartitionCount; i++)
NewLayoutBuffer->PartitionEntry[i].RewritePartition = TRUE;
}
DiskEntry->LayoutBuffer = NewLayoutBuffer;
DiskEntry->LayoutBuffer->PartitionCount = NewPartitionCount;
return TRUE;
}
static
VOID
UpdateDiskLayout(
IN PDISKENTRY DiskEntry)
{
PPARTITION_INFORMATION PartitionInfo;
PPARTITION_INFORMATION LinkInfo = NULL;
PLIST_ENTRY ListEntry;
PPARTENTRY PartEntry;
LARGE_INTEGER HiddenSectors64;
ULONG Index;
ULONG PartitionNumber = 1;
DPRINT1("UpdateDiskLayout()\n");
/* Resize the layout buffer if necessary */
if (ReAllocateLayoutBuffer(DiskEntry) == FALSE)
{
DPRINT("ReAllocateLayoutBuffer() failed.\n");
return;
}
/* Update the primary partition table */
Index = 0;
ListEntry = DiskEntry->PrimaryPartListHead.Flink;
while (ListEntry != &DiskEntry->PrimaryPartListHead)
{
PartEntry = CONTAINING_RECORD(ListEntry, PARTENTRY, ListEntry);
if (PartEntry->IsPartitioned != FALSE)
{
PartitionInfo = &DiskEntry->LayoutBuffer->PartitionEntry[Index];
if (!IsSamePrimaryLayoutEntry(PartitionInfo, DiskEntry, PartEntry))
{
DPRINT1("Updating primary partition entry %lu\n", Index);
PartitionInfo->StartingOffset.QuadPart = PartEntry->StartSector.QuadPart * DiskEntry->BytesPerSector;
PartitionInfo->PartitionLength.QuadPart = PartEntry->SectorCount.QuadPart * DiskEntry->BytesPerSector;
PartitionInfo->HiddenSectors = PartEntry->StartSector.LowPart;
PartitionInfo->PartitionNumber = (!IsContainerPartition(PartEntry->PartitionType)) ? PartitionNumber : 0;
PartitionInfo->PartitionType = PartEntry->PartitionType;
PartitionInfo->BootIndicator = PartEntry->BootIndicator;
PartitionInfo->RecognizedPartition = FALSE;
PartitionInfo->RewritePartition = TRUE;
}
PartEntry->PartitionNumber = (!IsContainerPartition(PartEntry->PartitionType)) ? PartitionNumber : 0;
PartEntry->PartitionIndex = Index;
if (!IsContainerPartition(PartEntry->PartitionType))
PartitionNumber++;
Index++;
}
ListEntry = ListEntry->Flink;
}
/* Update the logical partition tables */
Index = 4;
ListEntry = DiskEntry->LogicalPartListHead.Flink;
while (ListEntry != &DiskEntry->LogicalPartListHead)
{
PartEntry = CONTAINING_RECORD(ListEntry, PARTENTRY, ListEntry);
if (PartEntry->IsPartitioned)
{
PartitionInfo = &DiskEntry->LayoutBuffer->PartitionEntry[Index];
DPRINT1("Updating logical partition entry %lu\n", Index);
PartitionInfo->StartingOffset.QuadPart = PartEntry->StartSector.QuadPart * DiskEntry->BytesPerSector;
PartitionInfo->PartitionLength.QuadPart = PartEntry->SectorCount.QuadPart * DiskEntry->BytesPerSector;
PartitionInfo->HiddenSectors = DiskEntry->SectorAlignment;
PartitionInfo->PartitionNumber = PartitionNumber;
PartitionInfo->PartitionType = PartEntry->PartitionType;
PartitionInfo->BootIndicator = FALSE;
PartitionInfo->RecognizedPartition = FALSE;
PartitionInfo->RewritePartition = TRUE;
PartEntry->PartitionNumber = PartitionNumber;
PartEntry->PartitionIndex = Index;
/* Fill the link entry of the previous partition table */
if (LinkInfo != NULL)
{
LinkInfo->StartingOffset.QuadPart = (PartEntry->StartSector.QuadPart - DiskEntry->SectorAlignment) * DiskEntry->BytesPerSector;
LinkInfo->PartitionLength.QuadPart = (PartEntry->StartSector.QuadPart + DiskEntry->SectorAlignment) * DiskEntry->BytesPerSector;
HiddenSectors64.QuadPart = PartEntry->StartSector.QuadPart - DiskEntry->SectorAlignment - DiskEntry->ExtendedPartition->StartSector.QuadPart;
LinkInfo->HiddenSectors = HiddenSectors64.LowPart;
LinkInfo->PartitionNumber = 0;
LinkInfo->PartitionType = PARTITION_EXTENDED;
LinkInfo->BootIndicator = FALSE;
LinkInfo->RecognizedPartition = FALSE;
LinkInfo->RewritePartition = TRUE;
}
/* Save a pointer to the link entry of the current partition table */
LinkInfo = &DiskEntry->LayoutBuffer->PartitionEntry[Index + 1];
PartitionNumber++;
Index += 4;
}
ListEntry = ListEntry->Flink;
}
/* Wipe unused primary partition table entries */
for (Index = GetPrimaryPartitionCount(DiskEntry); Index < 4; Index++)
{
DPRINT1("Primary partition entry %lu\n", Index);
PartitionInfo = &DiskEntry->LayoutBuffer->PartitionEntry[Index];
if (!IsEmptyLayoutEntry(PartitionInfo))
{
DPRINT1("Wiping primary partition entry %lu\n", Index);
PartitionInfo->StartingOffset.QuadPart = 0;
PartitionInfo->PartitionLength.QuadPart = 0;
PartitionInfo->HiddenSectors = 0;
PartitionInfo->PartitionNumber = 0;
PartitionInfo->PartitionType = PARTITION_ENTRY_UNUSED;
PartitionInfo->BootIndicator = FALSE;
PartitionInfo->RecognizedPartition = FALSE;
PartitionInfo->RewritePartition = TRUE;
}
}
/* Wipe unused logical partition table entries */
for (Index = 4; Index < DiskEntry->LayoutBuffer->PartitionCount; Index++)
{
if (Index % 4 >= 2)
{
DPRINT1("Logical partition entry %lu\n", Index);
PartitionInfo = &DiskEntry->LayoutBuffer->PartitionEntry[Index];
if (!IsEmptyLayoutEntry(PartitionInfo))
{
DPRINT1("Wiping partition entry %lu\n", Index);
PartitionInfo->StartingOffset.QuadPart = 0;
PartitionInfo->PartitionLength.QuadPart = 0;
PartitionInfo->HiddenSectors = 0;
PartitionInfo->PartitionNumber = 0;
PartitionInfo->PartitionType = PARTITION_ENTRY_UNUSED;
PartitionInfo->BootIndicator = FALSE;
PartitionInfo->RecognizedPartition = FALSE;
PartitionInfo->RewritePartition = TRUE;
}
}
}
#ifdef DUMP_PARTITION_TABLE
DumpPartitionTable(DiskEntry);
#endif
}
static
PPARTENTRY
GetPrevUnpartitionedEntry(
PDISKENTRY DiskEntry,
PPARTENTRY PartEntry)
{
PPARTENTRY PrevPartEntry;
PLIST_ENTRY ListHead;
if (PartEntry->LogicalPartition)
ListHead = &DiskEntry->LogicalPartListHead;
else
ListHead = &DiskEntry->PrimaryPartListHead;
if (PartEntry->ListEntry.Blink != ListHead)
{
PrevPartEntry = CONTAINING_RECORD(PartEntry->ListEntry.Blink,
PARTENTRY,
ListEntry);
if (PrevPartEntry->IsPartitioned == FALSE)
return PrevPartEntry;
}
return NULL;
}
static
PPARTENTRY
GetNextUnpartitionedEntry(
PDISKENTRY DiskEntry,
PPARTENTRY PartEntry)
{
PPARTENTRY NextPartEntry;
PLIST_ENTRY ListHead;
if (PartEntry->LogicalPartition)
ListHead = &DiskEntry->LogicalPartListHead;
else
ListHead = &DiskEntry->PrimaryPartListHead;
if (PartEntry->ListEntry.Flink != ListHead)
{
NextPartEntry = CONTAINING_RECORD(PartEntry->ListEntry.Flink,
PARTENTRY,
ListEntry);
if (NextPartEntry->IsPartitioned == FALSE)
return NextPartEntry;
}
return NULL;
}
VOID
CreatePrimaryPartition(
PPARTLIST List,
ULONGLONG SectorCount,
BOOLEAN AutoCreate)
{
PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
PPARTENTRY NewPartEntry;
DPRINT1("CreatePrimaryPartition(%I64u)\n", SectorCount);
if (List == NULL ||
List->CurrentDisk == NULL ||
List->CurrentPartition == NULL ||
List->CurrentPartition->IsPartitioned != FALSE)
{
return;
}
DiskEntry = List->CurrentDisk;
PartEntry = List->CurrentPartition;
DPRINT1("Current partition sector count: %I64u\n", PartEntry->SectorCount.QuadPart);
if ((AutoCreate != FALSE) ||
(AlignDown(PartEntry->StartSector.QuadPart + SectorCount, DiskEntry->SectorAlignment) - PartEntry->StartSector.QuadPart == PartEntry->SectorCount.QuadPart))
{
DPRINT1("Convert existing partition entry\n");
/* Convert current entry to 'new (unformatted)' */
PartEntry->IsPartitioned = TRUE;
PartEntry->PartitionType = PARTITION_ENTRY_UNUSED;
PartEntry->FormatState = Unformatted;
PartEntry->AutoCreate = AutoCreate;
PartEntry->New = TRUE;
PartEntry->BootIndicator = FALSE;
DPRINT1("First Sector: %I64u\n", PartEntry->StartSector.QuadPart);
DPRINT1("Last Sector: %I64u\n", PartEntry->StartSector.QuadPart + PartEntry->SectorCount.QuadPart - 1);
DPRINT1("Total Sectors: %I64u\n", PartEntry->SectorCount.QuadPart);
}
else
{
DPRINT1("Add new partition entry\n");
/* Insert and initialize a new partition entry */
NewPartEntry = RtlAllocateHeap(ProcessHeap,
HEAP_ZERO_MEMORY,
sizeof(PARTENTRY));
if (NewPartEntry == NULL)
return;
/* Insert the new entry into the list */
InsertTailList(&PartEntry->ListEntry,
&NewPartEntry->ListEntry);
NewPartEntry->DiskEntry = DiskEntry;
NewPartEntry->IsPartitioned = TRUE;
NewPartEntry->StartSector.QuadPart = PartEntry->StartSector.QuadPart;
NewPartEntry->SectorCount.QuadPart = AlignDown(NewPartEntry->StartSector.QuadPart + SectorCount, DiskEntry->SectorAlignment) -
NewPartEntry->StartSector.QuadPart;
NewPartEntry->PartitionType = PARTITION_ENTRY_UNUSED;
DPRINT1("First Sector: %I64u\n", NewPartEntry->StartSector.QuadPart);
DPRINT1("Last Sector: %I64u\n", NewPartEntry->StartSector.QuadPart + NewPartEntry->SectorCount.QuadPart - 1);
DPRINT1("Total Sectors: %I64u\n", NewPartEntry->SectorCount.QuadPart);
NewPartEntry->New = TRUE;
NewPartEntry->FormatState = Unformatted;
NewPartEntry->BootIndicator = FALSE;
PartEntry->StartSector.QuadPart = NewPartEntry->StartSector.QuadPart + NewPartEntry->SectorCount.QuadPart;
PartEntry->SectorCount.QuadPart -= (PartEntry->StartSector.QuadPart - NewPartEntry->StartSector.QuadPart);
}
UpdateDiskLayout(DiskEntry);
DiskEntry->Dirty = TRUE;
AssignDriveLetters(List);
}
static
VOID
AddLogicalDiskSpace(
PDISKENTRY DiskEntry)
{
PPARTENTRY NewPartEntry;
DPRINT1("AddLogicalDiskSpace()\n");
/* Create a partition table entry that represents the empty space in the container partition */
NewPartEntry = RtlAllocateHeap(ProcessHeap,
HEAP_ZERO_MEMORY,
sizeof(PARTENTRY));
if (NewPartEntry == NULL)
return;
NewPartEntry->DiskEntry = DiskEntry;
NewPartEntry->LogicalPartition = TRUE;
NewPartEntry->IsPartitioned = FALSE;
NewPartEntry->StartSector.QuadPart = DiskEntry->ExtendedPartition->StartSector.QuadPart + (ULONGLONG)DiskEntry->SectorAlignment;
NewPartEntry->SectorCount.QuadPart = DiskEntry->ExtendedPartition->SectorCount.QuadPart - (ULONGLONG)DiskEntry->SectorAlignment;
DPRINT1("First Sector: %I64u\n", NewPartEntry->StartSector.QuadPart);
DPRINT1("Last Sector: %I64u\n", NewPartEntry->StartSector.QuadPart + NewPartEntry->SectorCount.QuadPart - 1);
DPRINT1("Total Sectors: %I64u\n", NewPartEntry->SectorCount.QuadPart);
NewPartEntry->FormatState = Unformatted;
InsertTailList(&DiskEntry->LogicalPartListHead,
&NewPartEntry->ListEntry);
}
VOID
CreateExtendedPartition(
PPARTLIST List,
ULONGLONG SectorCount)
{
PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
PPARTENTRY NewPartEntry;
DPRINT1("CreateExtendedPartition(%I64u)\n", SectorCount);
if (List == NULL ||
List->CurrentDisk == NULL ||
List->CurrentPartition == NULL ||
(List->CurrentPartition->IsPartitioned != FALSE))
{
return;
}
DiskEntry = List->CurrentDisk;
PartEntry = List->CurrentPartition;
DPRINT1("Current partition sector count: %I64u\n", PartEntry->SectorCount.QuadPart);
if (AlignDown(PartEntry->StartSector.QuadPart + SectorCount, DiskEntry->SectorAlignment) - PartEntry->StartSector.QuadPart == PartEntry->SectorCount.QuadPart)
{
DPRINT1("Convert existing partition entry\n");
/* Convert current entry to 'new (unformatted)' */
PartEntry->IsPartitioned = TRUE;
PartEntry->FormatState = Formatted;
PartEntry->AutoCreate = FALSE;
PartEntry->New = FALSE;
PartEntry->BootIndicator = FALSE;
if (PartEntry->StartSector.QuadPart < 1450560)
{
/* Partition starts below the 8.4GB boundary ==> CHS partition */
PartEntry->PartitionType = PARTITION_EXTENDED;
}
else
{
/* Partition starts above the 8.4GB boundary ==> LBA partition */
PartEntry->PartitionType = PARTITION_XINT13_EXTENDED;
}
DiskEntry->ExtendedPartition = PartEntry;
DPRINT1("First Sector: %I64u\n", PartEntry->StartSector.QuadPart);
DPRINT1("Last Sector: %I64u\n", PartEntry->StartSector.QuadPart + PartEntry->SectorCount.QuadPart - 1);
DPRINT1("Total Sectors: %I64u\n", PartEntry->SectorCount.QuadPart);
}
else
{
DPRINT1("Add new partition entry\n");
/* Insert and initialize a new partition entry */
NewPartEntry = RtlAllocateHeap(ProcessHeap,
HEAP_ZERO_MEMORY,
sizeof(PARTENTRY));
if (NewPartEntry == NULL)
return;
/* Insert the new entry into the list */
InsertTailList(&PartEntry->ListEntry,
&NewPartEntry->ListEntry);
NewPartEntry->DiskEntry = DiskEntry;
NewPartEntry->IsPartitioned = TRUE;
NewPartEntry->StartSector.QuadPart = PartEntry->StartSector.QuadPart;
NewPartEntry->SectorCount.QuadPart = AlignDown(NewPartEntry->StartSector.QuadPart + SectorCount, DiskEntry->SectorAlignment) -
NewPartEntry->StartSector.QuadPart;
NewPartEntry->New = FALSE;
NewPartEntry->FormatState = Formatted;
NewPartEntry->BootIndicator = FALSE;
if (NewPartEntry->StartSector.QuadPart < 1450560)
{
/* Partition starts below the 8.4GB boundary ==> CHS partition */
NewPartEntry->PartitionType = PARTITION_EXTENDED;
}
else
{
/* Partition starts above the 8.4GB boundary ==> LBA partition */
NewPartEntry->PartitionType = PARTITION_XINT13_EXTENDED;
}
DiskEntry->ExtendedPartition = NewPartEntry;
PartEntry->StartSector.QuadPart = NewPartEntry->StartSector.QuadPart + NewPartEntry->SectorCount.QuadPart;
PartEntry->SectorCount.QuadPart -= (PartEntry->StartSector.QuadPart - NewPartEntry->StartSector.QuadPart);
DPRINT1("First Sector: %I64u\n", NewPartEntry->StartSector.QuadPart);
DPRINT1("Last Sector: %I64u\n", NewPartEntry->StartSector.QuadPart + NewPartEntry->SectorCount.QuadPart - 1);
DPRINT1("Total Sectors: %I64u\n", NewPartEntry->SectorCount.QuadPart);
}
AddLogicalDiskSpace(DiskEntry);
UpdateDiskLayout(DiskEntry);
DiskEntry->Dirty = TRUE;
AssignDriveLetters(List);
}
VOID
CreateLogicalPartition(
PPARTLIST List,
ULONGLONG SectorCount,
BOOLEAN AutoCreate)
{
PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
PPARTENTRY NewPartEntry;
DPRINT1("CreateLogicalPartition(%I64u)\n", SectorCount);
if (List == NULL ||
List->CurrentDisk == NULL ||
List->CurrentPartition == NULL ||
List->CurrentPartition->IsPartitioned != FALSE)
{
return;
}
DiskEntry = List->CurrentDisk;
PartEntry = List->CurrentPartition;
DPRINT1("Current partition sector count: %I64u\n", PartEntry->SectorCount.QuadPart);
if (AutoCreate == TRUE ||
AlignDown(PartEntry->StartSector.QuadPart + SectorCount, DiskEntry->SectorAlignment) - PartEntry->StartSector.QuadPart == PartEntry->SectorCount.QuadPart)
{
DPRINT1("Convert existing partition entry\n");
/* Convert current entry to 'new (unformatted)' */
PartEntry->IsPartitioned = TRUE;
PartEntry->PartitionType = PARTITION_ENTRY_UNUSED;
PartEntry->FormatState = Unformatted;
PartEntry->AutoCreate = FALSE;
PartEntry->New = TRUE;
PartEntry->BootIndicator = FALSE;
PartEntry->LogicalPartition = TRUE;
DPRINT1("First Sector: %I64u\n", PartEntry->StartSector.QuadPart);
DPRINT1("Last Sector: %I64u\n", PartEntry->StartSector.QuadPart + PartEntry->SectorCount.QuadPart - 1);
DPRINT1("Total Sectors: %I64u\n", PartEntry->SectorCount.QuadPart);
}
else
{
DPRINT1("Add new partition entry\n");
/* Insert and initialize a new partition entry */
NewPartEntry = RtlAllocateHeap(ProcessHeap,
HEAP_ZERO_MEMORY,
sizeof(PARTENTRY));
if (NewPartEntry == NULL)
return;
/* Insert the new entry into the list */
InsertTailList(&PartEntry->ListEntry,
&NewPartEntry->ListEntry);
NewPartEntry->DiskEntry = DiskEntry;
NewPartEntry->IsPartitioned = TRUE;
NewPartEntry->StartSector.QuadPart = PartEntry->StartSector.QuadPart;
NewPartEntry->SectorCount.QuadPart = AlignDown(NewPartEntry->StartSector.QuadPart + SectorCount, DiskEntry->SectorAlignment) -
NewPartEntry->StartSector.QuadPart;
NewPartEntry->PartitionType = PARTITION_ENTRY_UNUSED;
DPRINT1("First Sector: %I64u\n", NewPartEntry->StartSector.QuadPart);
DPRINT1("Last Sector: %I64u\n", NewPartEntry->StartSector.QuadPart + NewPartEntry->SectorCount.QuadPart - 1);
DPRINT1("Total Sectors: %I64u\n", NewPartEntry->SectorCount.QuadPart);
NewPartEntry->New = TRUE;
NewPartEntry->FormatState = Unformatted;
NewPartEntry->BootIndicator = FALSE;
NewPartEntry->LogicalPartition = TRUE;
PartEntry->StartSector.QuadPart = NewPartEntry->StartSector.QuadPart + NewPartEntry->SectorCount.QuadPart;
PartEntry->SectorCount.QuadPart -= (PartEntry->StartSector.QuadPart - NewPartEntry->StartSector.QuadPart);
}
UpdateDiskLayout(DiskEntry);
DiskEntry->Dirty = TRUE;
AssignDriveLetters(List);
}
VOID
DeleteCurrentPartition(
PPARTLIST List)
{
PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
PPARTENTRY PrevPartEntry;
PPARTENTRY NextPartEntry;
PPARTENTRY LogicalPartEntry;
PLIST_ENTRY Entry;
if (List == NULL ||
List->CurrentDisk == NULL ||
List->CurrentPartition == NULL ||
List->CurrentPartition->IsPartitioned == FALSE)
{
return;
}
/* Clear the system disk and partition pointers if the system partition will be deleted */
if (List->SystemPartition == List->CurrentPartition)
{
List->SystemDisk = NULL;
List->SystemPartition = NULL;
}
DiskEntry = List->CurrentDisk;
PartEntry = List->CurrentPartition;
/* Delete all logical partition entries if an extended partition will be deleted */
if (DiskEntry->ExtendedPartition == PartEntry)
{
while (!IsListEmpty(&DiskEntry->LogicalPartListHead))
{
Entry = RemoveHeadList(&DiskEntry->LogicalPartListHead);
LogicalPartEntry = CONTAINING_RECORD(Entry, PARTENTRY, ListEntry);
RtlFreeHeap(ProcessHeap, 0, LogicalPartEntry);
}
DiskEntry->ExtendedPartition = NULL;
}
/* Adjust unpartitioned disk space entries */
/* Get pointer to previous and next unpartitioned entries */
PrevPartEntry = GetPrevUnpartitionedEntry(DiskEntry, PartEntry);
NextPartEntry = GetNextUnpartitionedEntry(DiskEntry, PartEntry);
if (PrevPartEntry != NULL && NextPartEntry != NULL)
{
/* Merge previous, current and next unpartitioned entry */
/* Adjust the previous entries length */
PrevPartEntry->SectorCount.QuadPart += (PartEntry->SectorCount.QuadPart + NextPartEntry->SectorCount.QuadPart);
/* Remove the current entry */
RemoveEntryList(&PartEntry->ListEntry);
RtlFreeHeap(ProcessHeap, 0, PartEntry);
/* Remove the next entry */
RemoveEntryList (&NextPartEntry->ListEntry);
RtlFreeHeap(ProcessHeap, 0, NextPartEntry);
/* Update current partition */
List->CurrentPartition = PrevPartEntry;
}
else if (PrevPartEntry != NULL && NextPartEntry == NULL)
{
/* Merge current and previous unpartitioned entry */
/* Adjust the previous entries length */
PrevPartEntry->SectorCount.QuadPart += PartEntry->SectorCount.QuadPart;
/* Remove the current entry */
RemoveEntryList(&PartEntry->ListEntry);
RtlFreeHeap(ProcessHeap, 0, PartEntry);
/* Update current partition */
List->CurrentPartition = PrevPartEntry;
}
else if (PrevPartEntry == NULL && NextPartEntry != NULL)
{
/* Merge current and next unpartitioned entry */
/* Adjust the next entries offset and length */
NextPartEntry->StartSector.QuadPart = PartEntry->StartSector.QuadPart;
NextPartEntry->SectorCount.QuadPart += PartEntry->SectorCount.QuadPart;
/* Remove the current entry */
RemoveEntryList(&PartEntry->ListEntry);
RtlFreeHeap(ProcessHeap, 0, PartEntry);
/* Update current partition */
List->CurrentPartition = NextPartEntry;
}
else
{
/* Nothing to merge but change current entry */
PartEntry->IsPartitioned = FALSE;
PartEntry->PartitionType = PARTITION_ENTRY_UNUSED;
PartEntry->FormatState = Unformatted;
PartEntry->DriveLetter = 0;
}
UpdateDiskLayout(DiskEntry);
DiskEntry->Dirty = TRUE;
AssignDriveLetters(List);
}
VOID
CheckActiveSystemPartition(
IN PPARTLIST List,
IN PFILE_SYSTEM_LIST FileSystemList /* Needed for checking the FS of the candidate system partition */
)
{
PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
PLIST_ENTRY ListEntry;
PFILE_SYSTEM_ITEM FileSystem;
/* Check for empty disk list */
if (IsListEmpty(&List->DiskListHead))
{
List->SystemDisk = NULL;
List->SystemPartition = NULL;
List->OriginalSystemDisk = NULL;
List->OriginalSystemPartition = NULL;
return;
}
/* Choose the currently selected disk */
DiskEntry = List->CurrentDisk;
/* Check for empty partition list */
if (IsListEmpty(&DiskEntry->PrimaryPartListHead))
{
List->SystemDisk = NULL;
List->SystemPartition = NULL;
List->OriginalSystemDisk = NULL;
List->OriginalSystemPartition = NULL;
return;
}
if (List->SystemDisk != NULL && List->SystemPartition != NULL)
{
/* We already have an active system partition */
DPRINT1("Use the current system partition %lu in disk %lu, drive letter %c\n",
List->SystemPartition->PartitionNumber,
List->SystemDisk->DiskNumber,
(List->SystemPartition->DriveLetter == 0) ? '-' : List->SystemPartition->DriveLetter);
return;
}
DPRINT("We are here (1)!\n");
List->SystemDisk = NULL;
List->SystemPartition = NULL;
List->OriginalSystemDisk = NULL;
List->OriginalSystemPartition = NULL;
/* Retrieve the first partition of the disk */
PartEntry = CONTAINING_RECORD(DiskEntry->PrimaryPartListHead.Flink,
PARTENTRY,
ListEntry);
List->SystemDisk = DiskEntry;
List->SystemPartition = PartEntry;
//
// See: https://svn.reactos.org/svn/reactos/trunk/reactos/base/setup/usetup/partlist.c?r1=63355&r2=63354&pathrev=63355#l2318
//
/* Check if the disk is new and if so, use its first partition as the active system partition */
if (DiskEntry->NewDisk)
{
if (PartEntry->PartitionType == PARTITION_ENTRY_UNUSED || PartEntry->BootIndicator == FALSE)
{
/* FIXME: Might be incorrect if partitions were created by Linux FDISK */
List->SystemDisk = DiskEntry;
List->SystemPartition = PartEntry;
List->OriginalSystemDisk = List->SystemDisk;
List->OriginalSystemPartition = List->SystemPartition;
DPRINT1("Use new first active system partition %lu in disk %lu, drive letter %c\n",
List->SystemPartition->PartitionNumber,
List->SystemDisk->DiskNumber,
(List->SystemPartition->DriveLetter == 0) ? '-' : List->SystemPartition->DriveLetter);
goto SetSystemPartition;
}
// FIXME: What to do??
DPRINT1("NewDisk TRUE but first partition is used?\n");
}
DPRINT("We are here (2)!\n");
/*
* The disk is not new, check if any partition is initialized;
* if not, the first one becomes the system partition.
*/
ListEntry = DiskEntry->PrimaryPartListHead.Flink;
while (ListEntry != &DiskEntry->PrimaryPartListHead)
{
/* Retrieve the partition and go to the next one */
PartEntry = CONTAINING_RECORD(ListEntry,
PARTENTRY,
ListEntry);
/* Check if the partition is partitioned and is used */
if (PartEntry->PartitionType != PARTITION_ENTRY_UNUSED || PartEntry->BootIndicator != FALSE)
{
break;
}
/* Go to the next one */
ListEntry = ListEntry->Flink;
}
if (ListEntry == &DiskEntry->PrimaryPartListHead)
{
/*
* OK we haven't encountered any used and active partition,
* so use the first one as the system partition.
*/
/* FIXME: Might be incorrect if partitions were created by Linux FDISK */
List->OriginalSystemDisk = List->SystemDisk; // DiskEntry
List->OriginalSystemPartition = List->SystemPartition; // First PartEntry
DPRINT1("Use first active system partition %lu in disk %lu, drive letter %c\n",
List->SystemPartition->PartitionNumber,
List->SystemDisk->DiskNumber,
(List->SystemPartition->DriveLetter == 0) ? '-' : List->SystemPartition->DriveLetter);
goto SetSystemPartition;
}
List->SystemDisk = NULL;
List->SystemPartition = NULL;
List->OriginalSystemDisk = NULL;
List->OriginalSystemPartition = NULL;
DPRINT("We are here (3)!\n");
/* The disk is not new, scan all partitions to find the (active) system partition */
ListEntry = DiskEntry->PrimaryPartListHead.Flink;
while (ListEntry != &DiskEntry->PrimaryPartListHead)
{
/* Retrieve the partition and go to the next one */
PartEntry = CONTAINING_RECORD(ListEntry,
PARTENTRY,
ListEntry);
ListEntry = ListEntry->Flink;
/* Check if the partition is partitioned and used */
if (PartEntry->IsPartitioned &&
PartEntry->PartitionType != PARTITION_ENTRY_UNUSED)
{
/* Check if the partition is active */
if (PartEntry->BootIndicator)
{
/* Yes, we found it */
List->SystemDisk = DiskEntry;
List->SystemPartition = PartEntry;
DPRINT1("Found active system partition %lu in disk %lu, drive letter %c\n",
PartEntry->PartitionNumber,
DiskEntry->DiskNumber,
(PartEntry->DriveLetter == 0) ? '-' : PartEntry->DriveLetter);
break;
}
}
}
/* Check if we have found the system partition */
if (List->SystemDisk == NULL || List->SystemPartition == NULL)
{
/* Nothing, use the alternative system partition */
DPRINT1("No system partition found, use the alternative partition!\n");
goto UseAlternativeSystemPartition;
}
/* Save them */
List->OriginalSystemDisk = List->SystemDisk;
List->OriginalSystemPartition = List->SystemPartition;
/*
* ADDITIONAL CHECKS / BIG HACK:
*
* Retrieve its file system and check whether we have
* write support for it. If that is the case we are fine
* and we can use it directly. However if we don't have
* write support we will need to change the active system
* partition.
*
* NOTE that this is completely useless on architectures
* where a real system partition is required, as on these
* architectures the partition uses the FAT FS, for which
* we do have write support.
* NOTE also that for those architectures looking for a
* partition boot indicator is insufficient.
*/
FileSystem = GetFileSystem(FileSystemList, List->OriginalSystemPartition);
if (FileSystem == NULL)
{
DPRINT1("System partition %lu in disk %lu with no FS?!\n",
List->OriginalSystemPartition->PartitionNumber,
List->OriginalSystemDisk->DiskNumber);
goto FindAndUseAlternativeSystemPartition;
}
// HACK: WARNING: We cannot write on this FS yet!
// See fslist.c:GetFileSystem()
if (List->OriginalSystemPartition->PartitionType == PARTITION_EXT2 ||
List->OriginalSystemPartition->PartitionType == PARTITION_IFS)
{
DPRINT1("Recognized file system %S that doesn't support write support yet!\n",
FileSystem->FileSystemName);
goto FindAndUseAlternativeSystemPartition;
}
DPRINT1("Use existing active system partition %lu in disk %lu, drive letter %c\n",
List->SystemPartition->PartitionNumber,
List->SystemDisk->DiskNumber,
(List->SystemPartition->DriveLetter == 0) ? '-' : List->SystemPartition->DriveLetter);
return;
FindAndUseAlternativeSystemPartition:
/*
* We are here because we have not found any (active) candidate
* system partition that we know how to support. What we are going
* to do is to change the existing system partition and use the
* partition on which we install ReactOS as the new system partition,
* and then we will need to add in FreeLdr's entry a boot entry to boot
* from the original system partition.
*/
/* Unset the old system partition */
List->SystemPartition->BootIndicator = FALSE;
List->SystemDisk->LayoutBuffer->PartitionEntry[List->SystemPartition->PartitionIndex].BootIndicator = FALSE;
List->SystemDisk->LayoutBuffer->PartitionEntry[List->SystemPartition->PartitionIndex].RewritePartition = TRUE;
List->SystemDisk->Dirty = TRUE;
UseAlternativeSystemPartition:
List->SystemDisk = List->CurrentDisk;
List->SystemPartition = List->CurrentPartition;
DPRINT1("Use alternative active system partition %lu in disk %lu, drive letter %c\n",
List->SystemPartition->PartitionNumber,
List->SystemDisk->DiskNumber,
(List->SystemPartition->DriveLetter == 0) ? '-' : List->SystemPartition->DriveLetter);
SetSystemPartition:
/* Set the new active system partition */
List->SystemPartition->BootIndicator = TRUE;
List->SystemDisk->LayoutBuffer->PartitionEntry[List->SystemPartition->PartitionIndex].BootIndicator = TRUE;
List->SystemDisk->LayoutBuffer->PartitionEntry[List->SystemPartition->PartitionIndex].RewritePartition = TRUE;
List->SystemDisk->Dirty = TRUE;
}
static
NTSTATUS
WritePartitions(
IN PPARTLIST List,
IN PDISKENTRY DiskEntry)
{
WCHAR DstPath[MAX_PATH];
OBJECT_ATTRIBUTES ObjectAttributes;
IO_STATUS_BLOCK Iosb;
UNICODE_STRING Name;
ULONG BufferSize;
HANDLE FileHandle = NULL;
NTSTATUS Status;
DPRINT("WritePartitions() Disk: %lu\n", DiskEntry->DiskNumber);
swprintf(DstPath,
L"\\Device\\Harddisk%d\\Partition0",
DiskEntry->DiskNumber);
RtlInitUnicodeString(&Name,
DstPath);
InitializeObjectAttributes(&ObjectAttributes,
&Name,
0,
NULL,
NULL);
Status = NtOpenFile(&FileHandle,
GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE,
&ObjectAttributes,
&Iosb,
0,
FILE_SYNCHRONOUS_IO_NONALERT);
if (!NT_SUCCESS(Status))
{
DPRINT1("NtOpenFile() failed (Status %lx)\n", Status);
return Status;
}
#ifdef DUMP_PARTITION_TABLE
DumpPartitionTable(DiskEntry);
#endif
BufferSize = sizeof(DRIVE_LAYOUT_INFORMATION) +
((DiskEntry->LayoutBuffer->PartitionCount - 1) * sizeof(PARTITION_INFORMATION));
Status = NtDeviceIoControlFile(FileHandle,
NULL,
NULL,
NULL,
&Iosb,
IOCTL_DISK_SET_DRIVE_LAYOUT,
DiskEntry->LayoutBuffer,
BufferSize,
NULL,
0);
if (!NT_SUCCESS(Status))
{
DPRINT1("IOCTL_DISK_SET_DRIVE_LAYOUT failed (Status 0x%08lx)\n", Status);
}
if (FileHandle != NULL)
NtClose(FileHandle);
return Status;
}
BOOLEAN
WritePartitionsToDisk(
PPARTLIST List)
{
PLIST_ENTRY Entry;
PDISKENTRY DiskEntry;
if (List == NULL)
return TRUE;
Entry = List->DiskListHead.Flink;
while (Entry != &List->DiskListHead)
{
DiskEntry = CONTAINING_RECORD(Entry, DISKENTRY, ListEntry);
if (DiskEntry->Dirty != FALSE)
{
WritePartitions(List, DiskEntry);
DiskEntry->Dirty = FALSE;
}
Entry = Entry->Flink;
}
return TRUE;
}
BOOL
SetMountedDeviceValues(
PPARTLIST List)
{
PLIST_ENTRY Entry1, Entry2;
PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
LARGE_INTEGER StartingOffset;
if (List == NULL)
{
return FALSE;
}
Entry1 = List->DiskListHead.Flink;
while (Entry1 != &List->DiskListHead)
{
DiskEntry = CONTAINING_RECORD(Entry1,
DISKENTRY,
ListEntry);
Entry2 = DiskEntry->PrimaryPartListHead.Flink;
while (Entry2 != &DiskEntry->PrimaryPartListHead)
{
PartEntry = CONTAINING_RECORD(Entry2, PARTENTRY, ListEntry);
if (PartEntry->IsPartitioned)
{
if (PartEntry->DriveLetter)
{
StartingOffset.QuadPart = PartEntry->StartSector.QuadPart * DiskEntry->BytesPerSector;
if (!SetMountedDeviceValue(PartEntry->DriveLetter,
DiskEntry->LayoutBuffer->Signature,
StartingOffset))
{
return FALSE;
}
}
}
Entry2 = Entry2->Flink;
}
Entry1 = Entry1->Flink;
}
return TRUE;
}
ULONG
PrimaryPartitionCreationChecks(
IN PPARTLIST List)
{
PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
DiskEntry = List->CurrentDisk;
PartEntry = List->CurrentPartition;
/* Fail if partition is already in use */
if (PartEntry->IsPartitioned != FALSE)
return ERROR_NEW_PARTITION;
/* Fail if there are already 4 primary partitions in the list */
if (GetPrimaryPartitionCount(DiskEntry) >= 4)
return ERROR_PARTITION_TABLE_FULL;
return ERROR_SUCCESS;
}
ULONG
ExtendedPartitionCreationChecks(
IN PPARTLIST List)
{
PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
DiskEntry = List->CurrentDisk;
PartEntry = List->CurrentPartition;
/* Fail if partition is already in use */
if (PartEntry->IsPartitioned != FALSE)
return ERROR_NEW_PARTITION;
/* Fail if there are already 4 primary partitions in the list */
if (GetPrimaryPartitionCount(DiskEntry) >= 4)
return ERROR_PARTITION_TABLE_FULL;
/* Fail if there is another extended partition in the list */
if (DiskEntry->ExtendedPartition != NULL)
return ERROR_ONLY_ONE_EXTENDED;
return ERROR_SUCCESS;
}
ULONG
LogicalPartitionCreationChecks(
IN PPARTLIST List)
{
// PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
// DiskEntry = List->CurrentDisk;
PartEntry = List->CurrentPartition;
/* Fail if partition is already in use */
if (PartEntry->IsPartitioned != FALSE)
return ERROR_NEW_PARTITION;
return ERROR_SUCCESS;
}
BOOL
GetNextUnformattedPartition(
IN PPARTLIST List,
OUT PDISKENTRY *pDiskEntry,
OUT PPARTENTRY *pPartEntry)
{
PLIST_ENTRY Entry1, Entry2;
PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
Entry1 = List->DiskListHead.Flink;
while (Entry1 != &List->DiskListHead)
{
DiskEntry = CONTAINING_RECORD(Entry1,
DISKENTRY,
ListEntry);
Entry2 = DiskEntry->PrimaryPartListHead.Flink;
while (Entry2 != &DiskEntry->PrimaryPartListHead)
{
PartEntry = CONTAINING_RECORD(Entry2, PARTENTRY, ListEntry);
if (PartEntry->IsPartitioned && PartEntry->New)
{
*pDiskEntry = DiskEntry;
*pPartEntry = PartEntry;
return TRUE;
}
Entry2 = Entry2->Flink;
}
Entry2 = DiskEntry->LogicalPartListHead.Flink;
while (Entry2 != &DiskEntry->LogicalPartListHead)
{
PartEntry = CONTAINING_RECORD(Entry2, PARTENTRY, ListEntry);
if (PartEntry->IsPartitioned && PartEntry->New)
{
*pDiskEntry = DiskEntry;
*pPartEntry = PartEntry;
return TRUE;
}
Entry2 = Entry2->Flink;
}
Entry1 = Entry1->Flink;
}
*pDiskEntry = NULL;
*pPartEntry = NULL;
return FALSE;
}
BOOL
GetNextUncheckedPartition(
IN PPARTLIST List,
OUT PDISKENTRY *pDiskEntry,
OUT PPARTENTRY *pPartEntry)
{
PLIST_ENTRY Entry1, Entry2;
PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
Entry1 = List->DiskListHead.Flink;
while (Entry1 != &List->DiskListHead)
{
DiskEntry = CONTAINING_RECORD(Entry1,
DISKENTRY,
ListEntry);
Entry2 = DiskEntry->PrimaryPartListHead.Flink;
while (Entry2 != &DiskEntry->PrimaryPartListHead)
{
PartEntry = CONTAINING_RECORD(Entry2, PARTENTRY, ListEntry);
if (PartEntry->NeedsCheck == TRUE)
{
*pDiskEntry = DiskEntry;
*pPartEntry = PartEntry;
return TRUE;
}
Entry2 = Entry2->Flink;
}
Entry2 = DiskEntry->LogicalPartListHead.Flink;
while (Entry2 != &DiskEntry->LogicalPartListHead)
{
PartEntry = CONTAINING_RECORD(Entry2, PARTENTRY, ListEntry);
if (PartEntry->NeedsCheck == TRUE)
{
*pDiskEntry = DiskEntry;
*pPartEntry = PartEntry;
return TRUE;
}
Entry2 = Entry2->Flink;
}
Entry1 = Entry1->Flink;
}
*pDiskEntry = NULL;
*pPartEntry = NULL;
return FALSE;
}
/* EOF */
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