#define NDEBUG
#include <debug.h>
+#define DUMP_PARTITION_TABLE
+
/* FUNCTIONS ****************************************************************/
+#ifdef DUMP_PARTITION_TABLE
+static
+VOID
+DumpPartitionTable(
+ PDISKENTRY DiskEntry)
+{
+ PPARTITION_INFORMATION PartitionInfo;
+ ULONG i;
+
+ for (i = 0; i < DiskEntry->LayoutBuffer->PartitionCount; i++)
+ {
+ PartitionInfo = &DiskEntry->LayoutBuffer->PartitionEntry[i];
+ DbgPrint("%lu: %12I64u %12I64u %10lu %2lu %2x %c %c\n",
+ i,
+ PartitionInfo->StartingOffset.QuadPart,
+ PartitionInfo->PartitionLength.QuadPart,
+ PartitionInfo->HiddenSectors,
+ PartitionInfo->PartitionNumber,
+ PartitionInfo->PartitionType,
+ PartitionInfo->BootIndicator ? '*': ' ',
+ PartitionInfo->RewritePartition ? 'Y': 'N');
+ }
+}
+#endif
+
+
+ULONGLONG
+Align(
+ IN ULONGLONG Value,
+ IN ULONG Alignment)
+{
+ ULONGLONG Temp;
+
+ Temp = Value / Alignment;
+
+ return Temp * Alignment;
+}
+
+
+ULONGLONG
+RoundingDivide(
+ IN ULONGLONG Dividend,
+ IN ULONGLONG Divisor)
+{
+ return (Dividend + Divisor / 2) / Divisor;
+}
+
+
static
VOID
GetDriverName(
static
VOID
-AssignDriverLetters(
+AssignDriveLetters(
PPARTLIST List)
{
PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
PLIST_ENTRY Entry1;
- //PLIST_ENTRY Entry2;
+ PLIST_ENTRY Entry2;
CHAR Letter;
- UCHAR i;
Letter = 'C';
{
DiskEntry = CONTAINING_RECORD(Entry1, DISKENTRY, ListEntry);
- if (!IsListEmpty(&DiskEntry->PartListHead))
+ Entry2 = DiskEntry->PrimaryPartListHead.Flink;
+ while (Entry2 != &DiskEntry->PrimaryPartListHead)
{
- PartEntry = CONTAINING_RECORD(DiskEntry->PartListHead.Flink,
- PARTENTRY,
- ListEntry);
+ PartEntry = CONTAINING_RECORD(Entry2, PARTENTRY, ListEntry);
- for (i = 0; i < 4; i++)
- PartEntry->DriveLetter[i] = 0;
+ PartEntry->DriveLetter = 0;
- if (PartEntry->Unpartitioned == FALSE)
+ if (PartEntry->IsPartitioned &&
+ !IsContainerPartition(PartEntry->PartitionType))
{
- for (i = 0; i < 4; i++)
+ if (IsRecognizedPartition(PartEntry->PartitionType) ||
+ (PartEntry->PartitionType == PARTITION_ENTRY_UNUSED &&
+ PartEntry->SectorCount.QuadPart != 0LL))
{
- if (IsContainerPartition(PartEntry->PartInfo[i].PartitionType))
- continue;
-
- if (IsRecognizedPartition(PartEntry->PartInfo[i].PartitionType) ||
- (PartEntry->PartInfo[i].PartitionType == PARTITION_ENTRY_UNUSED &&
- PartEntry->PartInfo[i].PartitionLength.QuadPart != 0LL))
+ if (Letter <= 'Z')
{
- if (Letter <= 'Z')
- {
- PartEntry->DriveLetter[i] = Letter;
- Letter++;
- }
+ PartEntry->DriveLetter = Letter;
+ Letter++;
}
}
}
+
+ Entry2 = Entry2->Flink;
}
Entry1 = Entry1->Flink;
{
PPARTENTRY PartEntry;
PLIST_ENTRY Entry;
- ULONG PartNumber;
- ULONG i;
+// ULONG PartitionNumber = 1;
+ ULONG PartitionIndex = 0;
- PartNumber = 1;
- Entry = DiskEntry->PartListHead.Flink;
- while (Entry != &DiskEntry->PartListHead)
+ Entry = DiskEntry->PrimaryPartListHead.Flink;
+ while (Entry != &DiskEntry->PrimaryPartListHead)
{
PartEntry = CONTAINING_RECORD(Entry,
PARTENTRY,
ListEntry);
- if (PartEntry->Unpartitioned == TRUE)
+ if (PartEntry->IsPartitioned == FALSE)
{
- for (i = 0; i < 4; i++)
- {
- PartEntry->PartInfo[i].PartitionNumber = 0;
- }
+// PartEntry->PartitionNumber = 0;
+ PartEntry->PartitionIndex = (ULONG)-1;
}
else
{
- for (i = 0; i < 4; i++)
- {
- if (IsContainerPartition(PartEntry->PartInfo[i].PartitionType))
- {
- PartEntry->PartInfo[i].PartitionNumber = 0;
- }
- else if (PartEntry->PartInfo[i].PartitionType == PARTITION_ENTRY_UNUSED &&
- PartEntry->PartInfo[i].PartitionLength.QuadPart == 0ULL)
- {
- PartEntry->PartInfo[i].PartitionNumber = 0;
- }
- else
- {
- PartEntry->PartInfo[i].PartitionNumber = PartNumber;
- PartNumber++;
- }
- }
- }
-
- Entry = Entry->Flink;
- }
-}
-
-
-static
-VOID
-AddPartitionToList(
- ULONG DiskNumber,
- PDISKENTRY DiskEntry,
- DRIVE_LAYOUT_INFORMATION *LayoutBuffer)
-{
- PPARTENTRY PartEntry;
- ULONG i;
- ULONG j;
-
- for (i = 0; i < LayoutBuffer->PartitionCount; i += 4)
- {
- for (j = 0; j < 4; j++)
- {
- if (LayoutBuffer->PartitionEntry[i+j].PartitionType != PARTITION_ENTRY_UNUSED ||
- LayoutBuffer->PartitionEntry[i+j].PartitionLength.QuadPart != 0ULL)
- {
- break;
- }
- }
-
- if (j >= 4)
- {
- continue;
- }
-
- PartEntry = (PPARTENTRY)RtlAllocateHeap(ProcessHeap,
- 0,
- sizeof(PARTENTRY));
- if (PartEntry == NULL)
- {
- return;
- }
-
- RtlZeroMemory(PartEntry,
- sizeof(PARTENTRY));
-
- PartEntry->Unpartitioned = FALSE;
-
- for (j = 0; j < 4; j++)
- {
- RtlCopyMemory(&PartEntry->PartInfo[j],
- &LayoutBuffer->PartitionEntry[i+j],
- sizeof(PARTITION_INFORMATION));
- }
-
- if (IsContainerPartition(PartEntry->PartInfo[0].PartitionType))
- {
- PartEntry->FormatState = Unformatted;
- }
- else if ((PartEntry->PartInfo[0].PartitionType == PARTITION_FAT_12) ||
- (PartEntry->PartInfo[0].PartitionType == PARTITION_FAT_16) ||
- (PartEntry->PartInfo[0].PartitionType == PARTITION_HUGE) ||
- (PartEntry->PartInfo[0].PartitionType == PARTITION_XINT13) ||
- (PartEntry->PartInfo[0].PartitionType == PARTITION_FAT32) ||
- (PartEntry->PartInfo[0].PartitionType == PARTITION_FAT32_XINT13))
- {
-#if 0
- if (CheckFatFormat())
- {
- PartEntry->FormatState = Preformatted;
- }
- else
- {
- PartEntry->FormatState = Unformatted;
- }
-#endif
- PartEntry->FormatState = Preformatted;
- }
- else if (PartEntry->PartInfo[0].PartitionType == PARTITION_EXT2)
- {
-#if 0
- if (CheckExt2Format())
- {
- PartEntry->FormatState = Preformatted;
- }
- else
- {
- PartEntry->FormatState = Unformatted;
- }
-#endif
- PartEntry->FormatState = Preformatted;
- }
- else if (PartEntry->PartInfo[0].PartitionType == PARTITION_IFS)
- {
-#if 0
- if (CheckNtfsFormat())
+ if (IsContainerPartition(PartEntry->PartitionType))
{
- PartEntry->FormatState = Preformatted;
+// PartEntry->PartitionNumber = 0;
}
- else if (CheckHpfsFormat())
+ else if (PartEntry->PartitionType == PARTITION_ENTRY_UNUSED &&
+ PartEntry->SectorCount.QuadPart == 0ULL)
{
- PartEntry->FormatState = Preformatted;
+// PartEntry->PartitionNumber = 0;
}
else
{
- PartEntry->FormatState = Unformatted;
- }
-#endif
- PartEntry->FormatState = Preformatted;
- }
- else
- {
- PartEntry->FormatState = UnknownFormat;
- }
-
- InsertTailList(&DiskEntry->PartListHead,
- &PartEntry->ListEntry);
- }
-}
-
-
-static
-VOID
-ScanForUnpartitionedDiskSpace(
- PDISKENTRY DiskEntry)
-{
- ULONGLONG LastStartingOffset;
- ULONGLONG LastPartitionLength;
- ULONGLONG LastUnusedPartitionLength;
- PPARTENTRY PartEntry;
- PPARTENTRY NewPartEntry;
- PLIST_ENTRY Entry;
- ULONG i;
- ULONG j;
-
- if (IsListEmpty (&DiskEntry->PartListHead))
- {
- /* Create a partition table that represents the empty disk */
- PartEntry = (PPARTENTRY)RtlAllocateHeap(ProcessHeap,
- 0,
- sizeof(PARTENTRY));
- if (PartEntry == NULL)
- return;
-
- RtlZeroMemory(PartEntry,
- sizeof(PARTENTRY));
-
- PartEntry->Unpartitioned = TRUE;
- PartEntry->UnpartitionedOffset = 0ULL;
- PartEntry->UnpartitionedLength = DiskEntry->DiskSize;
-
- PartEntry->FormatState = Unformatted;
-
- InsertTailList(&DiskEntry->PartListHead,
- &PartEntry->ListEntry);
- }
- else
- {
- /* Start partition at head 1, cylinder 0 */
- LastStartingOffset = DiskEntry->TrackSize;
- LastPartitionLength = 0ULL;
- LastUnusedPartitionLength = 0ULL;
-
- i = 0;
- Entry = DiskEntry->PartListHead.Flink;
- while (Entry != &DiskEntry->PartListHead)
- {
- PartEntry = CONTAINING_RECORD(Entry, PARTENTRY, ListEntry);
-
- for (j = 0; j < 4; j++)
- {
- if ((!IsContainerPartition (PartEntry->PartInfo[j].PartitionType)) &&
- (PartEntry->PartInfo[j].PartitionType != PARTITION_ENTRY_UNUSED ||
- PartEntry->PartInfo[j].PartitionLength.QuadPart != 0LL))
- {
- LastUnusedPartitionLength =
- PartEntry->PartInfo[j].StartingOffset.QuadPart -
- (LastStartingOffset + LastPartitionLength);
-
- if (PartEntry->PartInfo[j].StartingOffset.QuadPart > (LastStartingOffset + LastPartitionLength) &&
- LastUnusedPartitionLength >= DiskEntry->CylinderSize)
- {
- DPRINT("Unpartitioned disk space %I64u\n", LastUnusedPartitionLength);
-
- NewPartEntry = (PPARTENTRY)RtlAllocateHeap(ProcessHeap,
- 0,
- sizeof(PARTENTRY));
- if (NewPartEntry == NULL)
- return;
-
- RtlZeroMemory(NewPartEntry,
- sizeof(PARTENTRY));
-
- NewPartEntry->Unpartitioned = TRUE;
- NewPartEntry->UnpartitionedOffset = LastStartingOffset + LastPartitionLength;
- NewPartEntry->UnpartitionedLength = LastUnusedPartitionLength;
- if (j == 0)
- NewPartEntry->UnpartitionedLength -= DiskEntry->TrackSize;
-
- NewPartEntry->FormatState = Unformatted;
-
- /* Insert the table into the list */
- InsertTailList(&PartEntry->ListEntry,
- &NewPartEntry->ListEntry);
- }
-
- LastStartingOffset = PartEntry->PartInfo[j].StartingOffset.QuadPart;
- LastPartitionLength = PartEntry->PartInfo[j].PartitionLength.QuadPart;
- }
+// PartEntry->PartitionNumber = PartitionNumber++;
}
- i += 4;
- Entry = Entry->Flink;
+ PartEntry->PartitionIndex = PartitionIndex++;
}
- /* Check for trailing unpartitioned disk space */
- if (DiskEntry->DiskSize > (LastStartingOffset + LastPartitionLength))
- {
- /* Round-down to cylinder size */
- LastUnusedPartitionLength =
- (DiskEntry->DiskSize - (LastStartingOffset + LastPartitionLength))
- & ~(DiskEntry->CylinderSize - 1);
-
- if (LastUnusedPartitionLength >= DiskEntry->CylinderSize)
- {
- DPRINT("Unpartitioned disk space %I64u\n", LastUnusedPartitionLength);
-
- NewPartEntry = (PPARTENTRY)RtlAllocateHeap(ProcessHeap,
- 0,
- sizeof(PARTENTRY));
- if (NewPartEntry == NULL)
- return;
-
- RtlZeroMemory(NewPartEntry,
- sizeof(PARTENTRY));
-
- NewPartEntry->Unpartitioned = TRUE;
- NewPartEntry->UnpartitionedOffset = LastStartingOffset + LastPartitionLength;
- NewPartEntry->UnpartitionedLength = LastUnusedPartitionLength;
-
- /* Append the table to the list */
- InsertTailList(&DiskEntry->PartListHead,
- &NewPartEntry->ListEntry);
- }
- }
+ Entry = Entry->Flink;
}
}
static
VOID
-AddDiskToList(
- HANDLE FileHandle,
+AddPartitionToDisk(
ULONG DiskNumber,
- PPARTLIST List)
+ PDISKENTRY DiskEntry,
+ ULONG PartitionIndex,
+ BOOLEAN LogicalPartition)
{
- DRIVE_LAYOUT_INFORMATION *LayoutBuffer;
- 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;
+ PPARTITION_INFORMATION PartitionInfo;
+ PPARTENTRY PartEntry;
- Status = NtDeviceIoControlFile(FileHandle,
- NULL,
- NULL,
- NULL,
- &Iosb,
- IOCTL_DISK_GET_DRIVE_GEOMETRY,
- NULL,
- 0,
- &DiskGeometry,
- sizeof(DISK_GEOMETRY));
- if (!NT_SUCCESS(Status))
- {
+ PartitionInfo = &DiskEntry->LayoutBuffer->PartitionEntry[PartitionIndex];
+ if (PartitionInfo->PartitionType == 0 ||
+ (LogicalPartition == TRUE && IsContainerPartition(PartitionInfo->PartitionType)))
return;
- }
- if (DiskGeometry.MediaType != FixedMedia &&
- DiskGeometry.MediaType != RemovableMedia)
+ PartEntry = RtlAllocateHeap(ProcessHeap,
+ HEAP_ZERO_MEMORY,
+ sizeof(PARTENTRY));
+ if (PartEntry == NULL)
{
return;
}
- Status = NtDeviceIoControlFile(FileHandle,
- NULL,
- NULL,
- NULL,
- &Iosb,
- IOCTL_SCSI_GET_ADDRESS,
- NULL,
- 0,
- &ScsiAddress,
- sizeof(SCSI_ADDRESS));
- if (!NT_SUCCESS(Status))
- {
- return;
- }
+ PartEntry->StartSector.QuadPart = (ULONGLONG)PartitionInfo->StartingOffset.QuadPart / DiskEntry->BytesPerSector;
+ PartEntry->SectorCount.QuadPart = (ULONGLONG)PartitionInfo->PartitionLength.QuadPart / DiskEntry->BytesPerSector;
- Mbr = (PARTITION_SECTOR*)RtlAllocateHeap(ProcessHeap,
- 0,
- DiskGeometry.BytesPerSector);
- if (Mbr == NULL)
- {
- return;
- }
+ PartEntry->BootIndicator = PartitionInfo->BootIndicator;
+ PartEntry->PartitionType = PartitionInfo->PartitionType;
+ PartEntry->HiddenSectors = PartitionInfo->HiddenSectors;
- FileOffset.QuadPart = 0;
- Status = NtReadFile(FileHandle,
- NULL,
- NULL,
- NULL,
- &Iosb,
- (PVOID)Mbr,
- DiskGeometry.BytesPerSector,
- &FileOffset,
- NULL);
- if (!NT_SUCCESS(Status))
+ PartEntry->LogicalPartition = LogicalPartition;
+ PartEntry->IsPartitioned = TRUE;
+ PartEntry->PartitionNumber = PartitionInfo->PartitionNumber;
+ PartEntry->PartitionIndex = PartitionIndex;
+
+ if (IsContainerPartition(PartEntry->PartitionType))
{
- RtlFreeHeap(ProcessHeap,
- 0,
- Mbr);
- DPRINT1("NtReadFile failed, status=%x\n", Status);
- return;
- }
- Signature = Mbr->Signature;
+ PartEntry->FormatState = Unformatted;
- /* Calculate the MBR checksum */
- Checksum = 0;
+ 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;
+
+ DPRINT1("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->SectorsPerTrack;
+ NewPartEntry->SectorCount.QuadPart = Align(DiskEntry->SectorCount.QuadPart, DiskEntry->SectorAlignment) -
+ DiskEntry->SectorsPerTrack;
+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->SectorsPerTrack;
+ 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 = Align(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 = Align(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 = Align(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;
+
+ /* 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->SectorsPerTrack;
+ NewPartEntry->SectorCount.QuadPart = DiskEntry->ExtendedPartition->SectorCount.QuadPart - (ULONGLONG)DiskEntry->SectorsPerTrack;
+
+ 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->SectorsPerTrack;
+ 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->SectorsPerTrack - (LastStartSector + LastSectorCount);
+
+ if ((PartEntry->StartSector.QuadPart - (ULONGLONG)DiskEntry->SectorsPerTrack) > (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 = Align(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->ExtendedPartition->StartSector.QuadPart + DiskEntry->ExtendedPartition->SectorCount.QuadPart)
+ {
+ LastUnusedSectorCount = Align(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 = Align(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;
+
+ /* Append the table to the list */
+ InsertTailList(&DiskEntry->LogicalPartListHead,
+ &NewPartEntry->ListEntry);
+ }
+ }
+ }
+
+ DPRINT1("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;
+
+ 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++)
{
swprintf(Identifier, L"%08x-%08x-A", Checksum, Signature);
DPRINT("Identifier: %S\n", Identifier);
- DiskEntry = (PDISKENTRY)RtlAllocateHeap(ProcessHeap,
- 0,
- sizeof(DISKENTRY));
+ DiskEntry = RtlAllocateHeap(ProcessHeap,
+ HEAP_ZERO_MEMORY,
+ sizeof(DISKENTRY));
if (DiskEntry == NULL)
{
return;
}
- DiskEntry->Checksum = Checksum;
- DiskEntry->Signature = Signature;
- if (Signature == 0)
- {
- /* If we have no signature, set the disk to dirty. WritePartitionsToDisk creates a new signature */
- DiskEntry->Modified = TRUE;
- }
+// DiskEntry->Checksum = Checksum;
+// DiskEntry->Signature = Signature;
DiskEntry->BiosFound = FALSE;
/* Check if this disk has a valid MBR */
#endif
}
- InitializeListHead(&DiskEntry->PartListHead);
+ 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 %I64u\n", DiskEntry->TracksPerCylinder);
- DPRINT ("SectorsPerTrack %I64u\n", DiskEntry->SectorsPerTrack);
- DPRINT ("BytesPerSector %I64u\n", DiskEntry->BytesPerSector);
-
- DiskEntry->TrackSize =
- (ULONGLONG)DiskGeometry.SectorsPerTrack *
- (ULONGLONG)DiskGeometry.BytesPerSector;
- DiskEntry->CylinderSize =
- (ULONGLONG)DiskGeometry.TracksPerCylinder *
- DiskEntry->TrackSize;
- DiskEntry->DiskSize =
- DiskGeometry.Cylinders.QuadPart *
- DiskEntry->CylinderSize;
+ DPRINT("Cylinders %I64u\n", DiskEntry->Cylinders);
+ DPRINT("TracksPerCylinder %I64u\n", DiskEntry->TracksPerCylinder);
+ DPRINT("SectorsPerTrack %I64u\n", DiskEntry->SectorsPerTrack);
+ DPRINT("BytesPerSector %I64u\n", DiskEntry->BytesPerSector);
+
+ DiskEntry->SectorCount.QuadPart = DiskGeometry.Cylinders.QuadPart *
+ (ULONGLONG)DiskGeometry.TracksPerCylinder *
+ (ULONGLONG)DiskGeometry.SectorsPerTrack;
+
+ DiskEntry->SectorAlignment = DiskGeometry.SectorsPerTrack;
+
+ DPRINT1("SectorCount %I64u\n", DiskEntry->SectorCount);
+ DPRINT1("SectorAlignment %lu\n", DiskEntry->SectorAlignment);
DiskEntry->DiskNumber = DiskNumber;
DiskEntry->Port = ScsiAddress.PortNumber;
*/
LayoutBufferSize = sizeof(DRIVE_LAYOUT_INFORMATION) +
((56 - ANYSIZE_ARRAY) * sizeof(PARTITION_INFORMATION));
- LayoutBuffer = (DRIVE_LAYOUT_INFORMATION*)RtlAllocateHeap(ProcessHeap,
- 0,
- LayoutBufferSize);
- if (LayoutBuffer == NULL)
+ DiskEntry->LayoutBuffer = RtlAllocateHeap(ProcessHeap,
+ HEAP_ZERO_MEMORY,
+ LayoutBufferSize);
+ if (DiskEntry->LayoutBuffer == NULL)
{
return;
}
IOCTL_DISK_GET_DRIVE_LAYOUT,
NULL,
0,
- LayoutBuffer,
+ DiskEntry->LayoutBuffer,
LayoutBufferSize);
if (NT_SUCCESS(Status))
{
- if (LayoutBuffer->PartitionCount == 0)
+#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)
{
- DiskEntry->NewDisk = TRUE;
+ if ((DiskEntry->LayoutBuffer->PartitionEntry[0].StartingOffset.QuadPart / DiskEntry->BytesPerSector) % DiskEntry->SectorsPerTrack == 0)
+ {
+ DPRINT1("Use %lu Sector alignment!\n", DiskEntry->SectorsPerTrack);
+ }
+ else if (DiskEntry->LayoutBuffer->PartitionEntry[0].StartingOffset.QuadPart % 1048756 == 0)
+ {
+ DPRINT1("Use megabyte (%lu Sectors) alignment!\n", 1048756 / DiskEntry->BytesPerSector);
+ }
+ else
+ {
+ DPRINT1("No matching aligment found! Partiton 1 starts at %I64u\n", DiskEntry->LayoutBuffer->PartitionEntry[0].StartingOffset.QuadPart);
+ }
+ }
+ else
+ {
+ DPRINT1("No valid partiton table found! Use megabyte (%lu Sectors) alignment!\n", 1048756 / DiskEntry->BytesPerSector);
}
- AddPartitionToList(DiskNumber,
- DiskEntry,
- LayoutBuffer);
- ScanForUnpartitionedDiskSpace(DiskEntry);
+ 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);
+ }
+ }
}
- RtlFreeHeap(ProcessHeap,
- 0,
- LayoutBuffer);
+ ScanForUnpartitionedDiskSpace(DiskEntry);
}
List->CurrentDisk = NULL;
List->CurrentPartition = NULL;
- List->CurrentPartitionNumber = 0;
InitializeListHead(&List->DiskListHead);
InitializeListHead(&List->BiosDiskListHead);
}
}
- AssignDriverLetters(List);
+ UpdateDiskSignatures(List);
+
+ AssignDriveLetters(List);
List->TopDisk = 0;
List->TopPartition = 0;
{
List->CurrentDisk = NULL;
List->CurrentPartition = NULL;
- List->CurrentPartitionNumber = 0;
}
else
{
DISKENTRY,
ListEntry);
- if (IsListEmpty(&List->CurrentDisk->PartListHead))
+ if (IsListEmpty(&List->CurrentDisk->PrimaryPartListHead))
{
List->CurrentPartition = 0;
- List->CurrentPartitionNumber = 0;
}
else
{
- List->CurrentPartition = CONTAINING_RECORD(List->CurrentDisk->PartListHead.Flink,
+ List->CurrentPartition = CONTAINING_RECORD(List->CurrentDisk->PrimaryPartListHead.Flink,
PARTENTRY,
ListEntry);
- List->CurrentPartitionNumber = 0;
}
}
/* Release driver name */
RtlFreeUnicodeString(&DiskEntry->DriverName);
- /* Release partition array */
- while (!IsListEmpty(&DiskEntry->PartListHead))
+ /* 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->PartListHead);
+ Entry = RemoveHeadList(&DiskEntry->LogicalPartListHead);
PartEntry = CONTAINING_RECORD(Entry, PARTENTRY, ListEntry);
- RtlFreeHeap(ProcessHeap,
- 0,
- PartEntry);
+ RtlFreeHeap(ProcessHeap, 0, PartEntry);
}
+ /* Release layout buffer */
+ if (DiskEntry->LayoutBuffer != NULL)
+ RtlFreeHeap(ProcessHeap, 0, DiskEntry->LayoutBuffer);
+
+
/* Release disk entry */
RtlFreeHeap(ProcessHeap, 0, DiskEntry);
}
PrintPartitionData(
PPARTLIST List,
PDISKENTRY DiskEntry,
- PPARTENTRY PartEntry,
- ULONG PartNumber)
+ PPARTENTRY PartEntry)
{
CHAR LineBuffer[128];
COORD coPos;
coPos.X = List->Left + 1;
coPos.Y = List->Top + 1 + List->Line;
- if (PartEntry->Unpartitioned == TRUE)
+ if (PartEntry->IsPartitioned == FALSE)
{
+ PartSize.QuadPart = PartEntry->SectorCount.QuadPart * DiskEntry->BytesPerSector;
#if 0
- if (PartEntry->UnpartitionledLength >= 0x280000000ULL) /* 10 GB */
+ if (PartSize.QuadPart >= 10737418240) /* 10 GB */
{
- PartSize.QuadPart = (PartEntry->UnpartitionedLength + (1 << 29)) >> 30;
+ PartSize.QuadPart = RoundingDivide(PartSize.QuadPart, 1073741824);
Unit = MUIGetString(STRING_GB);
}
else
#endif
- if (PartEntry->UnpartitionedLength >= 0xA00000ULL) /* 10 MB */
+ if (PartSize.QuadPart >= 10485760) /* 10 MB */
{
- PartSize.QuadPart = (PartEntry->UnpartitionedLength + (1 << 19)) >> 20;
+ PartSize.QuadPart = RoundingDivide(PartSize.QuadPart, 1048576);
Unit = MUIGetString(STRING_MB);
}
else
{
- PartSize.QuadPart = (PartEntry->UnpartitionedLength + (1 << 9)) >> 10;
+ PartSize.QuadPart = RoundingDivide(PartSize.QuadPart, 1024);
Unit = MUIGetString(STRING_KB);
}
sprintf(LineBuffer,
MUIGetString(STRING_UNPSPACE),
+ PartEntry->LogicalPartition ? " " : "",
+ PartEntry->LogicalPartition ? "" : " ",
PartSize.u.LowPart,
Unit);
}
{
PartType = MUIGetString(STRING_UNFORMATTED);
}
- else if (PartEntry->Unpartitioned == FALSE)
+ else if (PartEntry->IsPartitioned == TRUE)
{
- if ((PartEntry->PartInfo[PartNumber].PartitionType == PARTITION_FAT_12) ||
- (PartEntry->PartInfo[PartNumber].PartitionType == PARTITION_FAT_16) ||
- (PartEntry->PartInfo[PartNumber].PartitionType == PARTITION_HUGE) ||
- (PartEntry->PartInfo[PartNumber].PartitionType == PARTITION_XINT13))
+ if ((PartEntry->PartitionType == PARTITION_FAT_12) ||
+ (PartEntry->PartitionType == PARTITION_FAT_16) ||
+ (PartEntry->PartitionType == PARTITION_HUGE) ||
+ (PartEntry->PartitionType == PARTITION_XINT13))
{
PartType = "FAT";
}
- else if ((PartEntry->PartInfo[PartNumber].PartitionType == PARTITION_FAT32) ||
- (PartEntry->PartInfo[PartNumber].PartitionType == PARTITION_FAT32_XINT13))
+ else if ((PartEntry->PartitionType == PARTITION_FAT32) ||
+ (PartEntry->PartitionType == PARTITION_FAT32_XINT13))
{
PartType = "FAT32";
}
- else if (PartEntry->PartInfo[PartNumber].PartitionType == PARTITION_EXT2)
+ else if (PartEntry->PartitionType == PARTITION_EXT2)
{
PartType = "EXT2";
}
- else if (PartEntry->PartInfo[PartNumber].PartitionType == PARTITION_IFS)
+ else if (PartEntry->PartitionType == PARTITION_IFS)
{
PartType = "NTFS"; /* FIXME: Not quite correct! */
}
+ else if ((PartEntry->PartitionType == PARTITION_EXTENDED) ||
+ (PartEntry->PartitionType == PARTITION_XINT13_EXTENDED))
+ {
+ PartType = MUIGetString(STRING_EXTENDED_PARTITION);
+ }
}
+ PartSize.QuadPart = PartEntry->SectorCount.QuadPart * DiskEntry->BytesPerSector;
#if 0
- if (PartEntry->PartInfo[PartNumber].PartitionLength.QuadPart >= 0x280000000LL) /* 10 GB */
+ if (PartSize.QuadPart >= 10737418240) /* 10 GB */
{
- PartSize.QuadPart = (PartEntry->PartInfo[PartNumber].PartitionLength.QuadPart + (1 << 29)) >> 30;
+ PartSize.QuadPart = RoundingDivide(PartSize.QuadPart, 1073741824);
Unit = MUIGetString(STRING_GB);
}
else
#endif
- if (PartEntry->PartInfo[PartNumber].PartitionLength.QuadPart >= 0xA00000LL) /* 10 MB */
+ if (PartSize.QuadPart >= 10485760) /* 10 MB */
{
- PartSize.QuadPart = (PartEntry->PartInfo[PartNumber].PartitionLength.QuadPart + (1 << 19)) >> 20;
+ PartSize.QuadPart = RoundingDivide(PartSize.QuadPart, 1048576);
Unit = MUIGetString(STRING_MB);
}
else
{
- PartSize.QuadPart = (PartEntry->PartInfo[PartNumber].PartitionLength.QuadPart + (1 << 9)) >> 10;
+ PartSize.QuadPart = RoundingDivide(PartSize.QuadPart, 1024);
Unit = MUIGetString(STRING_KB);
}
{
sprintf(LineBuffer,
MUIGetString(STRING_HDDINFOUNK5),
- (PartEntry->DriveLetter[PartNumber] == 0) ? '-' : PartEntry->DriveLetter[PartNumber],
- (PartEntry->DriveLetter[PartNumber] == 0) ? '-' : ':',
- PartEntry->PartInfo[PartNumber].PartitionType,
+ (PartEntry->DriveLetter == 0) ? '-' : PartEntry->DriveLetter,
+ (PartEntry->DriveLetter == 0) ? '-' : ':',
+ PartEntry->LogicalPartition ? " " : "",
+ PartEntry->PartitionType,
+ PartEntry->LogicalPartition ? "" : " ",
PartSize.u.LowPart,
Unit);
}
else
{
sprintf(LineBuffer,
- "%c%c %-24s %6lu %s",
- (PartEntry->DriveLetter[PartNumber] == 0) ? '-' : PartEntry->DriveLetter[PartNumber],
- (PartEntry->DriveLetter[PartNumber] == 0) ? '-' : ':',
+ "%c%c %s%-24s%s %6lu %s",
+ (PartEntry->DriveLetter == 0) ? '-' : PartEntry->DriveLetter,
+ (PartEntry->DriveLetter == 0) ? '-' : ':',
+ PartEntry->LogicalPartition ? " " : "",
PartType,
+ PartEntry->LogicalPartition ? "" : " ",
PartSize.u.LowPart,
Unit);
}
}
Attribute = (List->CurrentDisk == DiskEntry &&
- List->CurrentPartition == PartEntry &&
- List->CurrentPartitionNumber == PartNumber) ?
+ List->CurrentPartition == PartEntry) ?
FOREGROUND_BLUE | BACKGROUND_WHITE :
FOREGROUND_WHITE | BACKGROUND_BLUE;
PPARTLIST List,
PDISKENTRY DiskEntry)
{
- PPARTENTRY PartEntry;
- PLIST_ENTRY Entry;
+ PPARTENTRY PrimaryPartEntry, LogicalPartEntry;
+ PLIST_ENTRY PrimaryEntry, LogicalEntry;
CHAR LineBuffer[128];
COORD coPos;
DWORD Written;
USHORT Height;
ULARGE_INTEGER DiskSize;
PCHAR Unit;
- ULONG i;
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 0
- if (DiskEntry->DiskSize >= 0x280000000ULL) /* 10 GB */
+ DiskSize.QuadPart = DiskEntry->SectorCount.QuadPart * DiskEntry->BytesPerSector;
+ if (DiskSize.QuadPart >= 10737418240) /* 10 GB */
{
- DiskSize.QuadPart = (DiskEntry->DiskSize + (1 << 29)) >> 30;
+ DiskSize.QuadPart = RoundingDivide(DiskSize.QuadPart, 1073741824);
Unit = MUIGetString(STRING_GB);
}
else
-#endif
{
- DiskSize.QuadPart = (DiskEntry->DiskSize + (1 << 19)) >> 20;
+ DiskSize.QuadPart = RoundingDivide(DiskSize.QuadPart, 1048576);
if (DiskSize.QuadPart == 0)
DiskSize.QuadPart = 1;
Unit = MUIGetString(STRING_MB);
PrintEmptyLine(List);
/* Print partition lines*/
- Entry = DiskEntry->PartListHead.Flink;
- while (Entry != &DiskEntry->PartListHead)
+ PrimaryEntry = DiskEntry->PrimaryPartListHead.Flink;
+ while (PrimaryEntry != &DiskEntry->PrimaryPartListHead)
{
- PartEntry = CONTAINING_RECORD(Entry, PARTENTRY, ListEntry);
+ PrimaryPartEntry = CONTAINING_RECORD(PrimaryEntry, PARTENTRY, ListEntry);
- /* Print disk entry */
- for (i = 0; i < 4; i++)
+ PrintPartitionData(List,
+ DiskEntry,
+ PrimaryPartEntry);
+
+ if (IsContainerPartition(PrimaryPartEntry->PartitionType))
{
- if (PartEntry->PartInfo[i].PartitionType != PARTITION_ENTRY_UNUSED ||
- PartEntry->PartInfo[i].PartitionLength.QuadPart != 0ULL)
+ LogicalEntry = DiskEntry->LogicalPartListHead.Flink;
+ while (LogicalEntry != &DiskEntry->LogicalPartListHead)
{
+ LogicalPartEntry = CONTAINING_RECORD(LogicalEntry, PARTENTRY, ListEntry);
+
PrintPartitionData(List,
DiskEntry,
- PartEntry,
- i);
- }
- }
+ LogicalPartEntry);
- /* Print unpartitioned entry */
- if (PartEntry->Unpartitioned)
- {
- PrintPartitionData(List,
- DiskEntry,
- PartEntry,
- 0);
+ LogicalEntry = LogicalEntry->Flink;
+ }
}
- Entry = Entry->Flink;
+ PrimaryEntry = PrimaryEntry->Flink;
}
/* Print separator line */
CurrentPartLine += 2;
}
- Entry2 = DiskEntry->PartListHead.Flink;
- while (Entry2 != &DiskEntry->PartListHead)
+ Entry2 = DiskEntry->PrimaryPartListHead.Flink;
+ while (Entry2 != &DiskEntry->PrimaryPartListHead)
{
PartEntry = CONTAINING_RECORD(Entry2, PARTENTRY, ListEntry);
if (PartEntry == List->CurrentPartition)
PPARTENTRY PartEntry;
PLIST_ENTRY Entry1;
PLIST_ENTRY Entry2;
- UCHAR i;
/* Check for empty disks */
if (IsListEmpty(&List->DiskListHead))
if (DiskEntry->DiskNumber == DiskNumber)
{
- Entry2 = DiskEntry->PartListHead.Flink;
- while (Entry2 != &DiskEntry->PartListHead)
+ Entry2 = DiskEntry->PrimaryPartListHead.Flink;
+ while (Entry2 != &DiskEntry->PrimaryPartListHead)
{
PartEntry = CONTAINING_RECORD(Entry2, PARTENTRY, ListEntry);
- for (i = 0; i < 4; i++)
+ if (PartEntry->PartitionNumber == PartitionNumber)
{
- if (PartEntry->PartInfo[i].PartitionNumber == PartitionNumber)
- {
- List->CurrentDisk = DiskEntry;
- List->CurrentPartition = PartEntry;
- List->CurrentPartitionNumber = i;
- DrawPartitionList(List);
- return TRUE;
- }
+ List->CurrentDisk = DiskEntry;
+ List->CurrentPartition = PartEntry;
+ DrawPartitionList(List);
+ return TRUE;
}
Entry2 = Entry2->Flink;
}
-VOID
+BOOL
ScrollDownPartitionList(
PPARTLIST List)
{
- PDISKENTRY DiskEntry;
+// PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
- PLIST_ENTRY Entry1;
- PLIST_ENTRY Entry2;
- UCHAR i;
+ PLIST_ENTRY Entry;
/* Check for empty disks */
if (IsListEmpty(&List->DiskListHead))
- return;
+ return FALSE;
+
/* Check for next usable entry on current disk */
if (List->CurrentPartition != NULL)
{
- Entry2 = &List->CurrentPartition->ListEntry;
- PartEntry = CONTAINING_RECORD(Entry2, PARTENTRY, ListEntry);
-
- /* Check if we can move inside primary partitions */
- for (i = List->CurrentPartitionNumber + 1; i < 4; i++)
+ if (List->CurrentPartition->LogicalPartition)
{
- if (PartEntry->PartInfo[i].PartitionType != PARTITION_ENTRY_UNUSED)
- break;
- }
+ /* Logical partition */
- if (i == 4)
- {
- /* We're out of partitions in the current partition table.
- Try to move to the next one if possible. */
- Entry2 = Entry2->Flink;
+ Entry = List->CurrentPartition->ListEntry.Flink;
+ if (Entry != &List->CurrentDisk->LogicalPartListHead)
+ {
+ /* Next logical partition */
+ PartEntry = CONTAINING_RECORD(Entry, PARTENTRY, ListEntry);
+
+ List->CurrentPartition = PartEntry;
+ return TRUE;
+ }
+ else
+ {
+ Entry = List->CurrentDisk->ExtendedPartition->ListEntry.Flink;
+ if (Entry != &List->CurrentDisk->PrimaryPartListHead)
+ {
+ PartEntry = CONTAINING_RECORD(Entry, PARTENTRY, ListEntry);
+
+ List->CurrentPartition = PartEntry;
+ return TRUE;
+ }
+ }
}
else
{
- /* Just advance to the next partition */
- List->CurrentPartitionNumber = i;
- DrawPartitionList(List);
- return;
- }
-
- while (Entry2 != &List->CurrentDisk->PartListHead)
- {
- PartEntry = CONTAINING_RECORD(Entry2, PARTENTRY, ListEntry);
+ /* Primary or extended partition */
-// if (PartEntry->HidePartEntry == FALSE)
+ if (IsContainerPartition(List->CurrentPartition->PartitionType))
{
- List->CurrentPartition = PartEntry;
- List->CurrentPartitionNumber = 0;
- DrawPartitionList(List);
- return;
+ /* First logical partition */
+ Entry = List->CurrentDisk->LogicalPartListHead.Flink;
+ if (Entry != &List->CurrentDisk->LogicalPartListHead)
+ {
+ PartEntry = CONTAINING_RECORD(Entry, PARTENTRY, ListEntry);
+
+ List->CurrentPartition = PartEntry;
+ return TRUE;
+ }
}
+ else
+ {
+ /* Next primary partition */
+ Entry = List->CurrentPartition->ListEntry.Flink;
+ if (Entry != &List->CurrentDisk->PrimaryPartListHead)
+ {
+ PartEntry = CONTAINING_RECORD(Entry, PARTENTRY, ListEntry);
- Entry2 = Entry2->Flink;
+ List->CurrentPartition = PartEntry;
+ return TRUE;
+ }
+ }
}
}
+ DPRINT1("TODO: Check the next drive!\n");
+
+#if 0
/* Check for first usable entry on next disk */
if (List->CurrentDisk != NULL)
{
DiskEntry = CONTAINING_RECORD(Entry1, DISKENTRY, ListEntry);
Entry2 = DiskEntry->PartListHead.Flink;
- while (Entry2 != &DiskEntry->PartListHead)
+ if (Entry2 != &DiskEntry->PartListHead)
{
PartEntry = CONTAINING_RECORD(Entry2, PARTENTRY, ListEntry);
-// if (PartEntry->HidePartEntry == FALSE)
- {
- List->CurrentDisk = DiskEntry;
- List->CurrentPartition = PartEntry;
- List->CurrentPartitionNumber = 0;
- DrawPartitionList(List);
- return;
- }
-
- Entry2 = Entry2->Flink;
+ List->CurrentDisk = DiskEntry;
+ List->CurrentPartition = PartEntry;
+ DrawPartitionList(List);
+ return;
}
Entry1 = Entry1->Flink;
}
}
+#endif
+
+ return FALSE;
}
-VOID
+BOOL
ScrollUpPartitionList(
PPARTLIST List)
{
- PDISKENTRY DiskEntry;
+// PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
- PLIST_ENTRY Entry1;
- PLIST_ENTRY Entry2;
- UCHAR i;
+ PLIST_ENTRY Entry;
/* Check for empty disks */
if (IsListEmpty(&List->DiskListHead))
- return;
+ return FALSE;
- /* check for previous usable entry on current disk */
+ /* Check for previous usable entry on current disk */
if (List->CurrentPartition != NULL)
{
- Entry2 = &List->CurrentPartition->ListEntry;
- PartEntry = CONTAINING_RECORD(Entry2, PARTENTRY, ListEntry);
-
- /* Check if we can move inside primary partitions */
- if (List->CurrentPartitionNumber > 0)
+ if (List->CurrentPartition->LogicalPartition)
{
- /* Find a previous partition */
- for (i = List->CurrentPartitionNumber - 1; i > 0; i--)
+ /* Logical partition */
+ Entry = List->CurrentPartition->ListEntry.Blink;
+ if (Entry != &List->CurrentDisk->LogicalPartListHead)
{
- if (PartEntry->PartInfo[i].PartitionType != PARTITION_ENTRY_UNUSED)
- break;
+ /* Previous logical partition */
+ PartEntry = CONTAINING_RECORD(Entry, PARTENTRY, ListEntry);
+ }
+ else
+ {
+ /* Extended partition*/
+ PartEntry = List->CurrentDisk->ExtendedPartition;
}
- /* Move to it and return */
- List->CurrentPartitionNumber = i;
- DrawPartitionList(List);
- return;
+ List->CurrentPartition = PartEntry;
+ return TRUE;
}
-
- /* Move to the previous entry */
- Entry2 = Entry2->Blink;
-
- while (Entry2 != &List->CurrentDisk->PartListHead)
+ else
{
- PartEntry = CONTAINING_RECORD(Entry2, PARTENTRY, ListEntry);
+ /* Primary or extended partition */
-// if (PartEntry->HidePartEntry == FALSE)
+ Entry = List->CurrentPartition->ListEntry.Blink;
+ if (Entry != &List->CurrentDisk->PrimaryPartListHead)
{
- List->CurrentPartition = PartEntry;
+ PartEntry = CONTAINING_RECORD(Entry, PARTENTRY, ListEntry);
- /* Find last existing partition in the table */
- for (i = 3; i > 0; i--)
+ if (IsContainerPartition(PartEntry->PartitionType))
{
- if (PartEntry->PartInfo[i].PartitionType != PARTITION_ENTRY_UNUSED)
- break;
+ Entry = List->CurrentDisk->LogicalPartListHead.Blink;
+ PartEntry = CONTAINING_RECORD(Entry, PARTENTRY, ListEntry);
}
- /* Move to it */
- List->CurrentPartitionNumber = i;
-
- /* Draw partition list and return */
- DrawPartitionList(List);
- return;
+ List->CurrentPartition = PartEntry;
+ return TRUE;
}
- Entry2 = Entry2->Blink;
}
}
+ DPRINT1("TODO: Check the previous drive!\n");
+#if 0
/* check for last usable entry on previous disk */
if (List->CurrentDisk != NULL)
{
{
DiskEntry = CONTAINING_RECORD(Entry1, DISKENTRY, ListEntry);
- Entry2 = DiskEntry->PartListHead.Blink;
- while (Entry2 != &DiskEntry->PartListHead)
+ Entry2 = DiskEntry->PrimaryPartListHead.Blink;
+ if (Entry2 != &DiskEntry->PrimaryPartListHead)
{
PartEntry = CONTAINING_RECORD(Entry2, PARTENTRY, ListEntry);
-// if (PartEntry->HidePartEntry == FALSE)
- {
- List->CurrentDisk = DiskEntry;
- List->CurrentPartition = PartEntry;
-
- /* Find last existing partition in the table */
- for (i = 3; i > 0; i--)
- {
- if (PartEntry->PartInfo[i].PartitionType != PARTITION_ENTRY_UNUSED)
- break;
- }
-
- /* Move to it */
- List->CurrentPartitionNumber = i;
-
- /* Draw partition list and return */
- DrawPartitionList(List);
- return;
- }
+ List->CurrentDisk = DiskEntry;
+ List->CurrentPartition = PartEntry;
- Entry2 = Entry2->Blink;
+ /* Draw partition list and return */
+ DrawPartitionList(List);
+ return;
}
Entry1 = Entry1->Blink;
}
}
+#endif
+
+ return FALSE;
}
static
-PPARTENTRY
-GetPrevPartitionedEntry(
- PDISKENTRY DiskEntry,
- PPARTENTRY CurrentEntry)
+BOOLEAN
+IsEmptyLayoutEntry(
+ PPARTITION_INFORMATION PartitionInfo)
{
- PPARTENTRY PrevEntry;
- PLIST_ENTRY Entry;
+ if (PartitionInfo->StartingOffset.QuadPart == 0 &&
+ PartitionInfo->PartitionLength.QuadPart == 0)
+// PartitionInfo->PartitionType == 0)
+ return TRUE;
- if (CurrentEntry->ListEntry.Blink == &DiskEntry->PartListHead)
- return NULL;
+ return FALSE;
+}
- Entry = CurrentEntry->ListEntry.Blink;
- while (Entry != &DiskEntry->PartListHead)
- {
- PrevEntry = CONTAINING_RECORD(Entry,
- PARTENTRY,
- ListEntry);
- if (PrevEntry->Unpartitioned == FALSE)
- return PrevEntry;
- Entry = Entry->Blink;
- }
+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 NULL;
+ return FALSE;
}
static
-PPARTENTRY
-GetNextPartitionedEntry(
- PDISKENTRY DiskEntry,
- PPARTENTRY CurrentEntry)
+VOID
+UpdateDiskLayout(
+ IN PDISKENTRY DiskEntry)
{
- PPARTENTRY NextEntry;
- PLIST_ENTRY Entry;
+ PPARTITION_INFORMATION PartitionInfo;
+ PLIST_ENTRY ListEntry;
+ PPARTENTRY PartEntry;
+ ULONG Index = 0;
+ ULONG PartitionNumber = 1;
- if (CurrentEntry->ListEntry.Flink == &DiskEntry->PartListHead)
- return NULL;
+DPRINT1("UpdateDiskLayout()\n");
- Entry = CurrentEntry->ListEntry.Flink;
- while (Entry != &DiskEntry->PartListHead)
+ ListEntry = DiskEntry->PrimaryPartListHead.Flink;
+ while (ListEntry != &DiskEntry->PrimaryPartListHead)
{
- NextEntry = CONTAINING_RECORD(Entry,
- PARTENTRY,
- ListEntry);
- if (NextEntry->Unpartitioned == FALSE)
- return NextEntry;
+ PartEntry = CONTAINING_RECORD(ListEntry, PARTENTRY, ListEntry);
- Entry = Entry->Flink;
+ if (PartEntry->IsPartitioned == TRUE)
+ {
+ PartitionInfo = &DiskEntry->LayoutBuffer->PartitionEntry[Index];
+
+ if (!IsSamePrimaryLayoutEntry(PartitionInfo, DiskEntry, PartEntry))
+ {
+DPRINT1("Updating partition entry %lu\n", Index);
+ PartitionInfo->StartingOffset.QuadPart = PartEntry->StartSector.QuadPart * DiskEntry->BytesPerSector;
+ PartitionInfo->PartitionLength.QuadPart = PartEntry->SectorCount.QuadPart * DiskEntry->BytesPerSector;
+ PartitionInfo->HiddenSectors = 0;
+ PartitionInfo->PartitionNumber = (!IsContainerPartition(PartEntry->PartitionType)) ? PartitionNumber : 0;
+ PartitionInfo->PartitionType = PartEntry->PartitionType;
+ PartitionInfo->BootIndicator = PartEntry->BootIndicator;
+ PartitionInfo->RecognizedPartition = FALSE;
+ PartitionInfo->RewritePartition = TRUE;
+
+ PartEntry->PartitionNumber = PartitionNumber;
+ PartEntry->PartitionIndex = Index;
+
+ PartitionNumber++;
+ }
+ else if (!IsEmptyLayoutEntry(PartitionInfo))
+ {
+ PartitionNumber++;
+ }
+
+ Index++;
+ }
+
+ ListEntry = ListEntry->Flink;
}
- return NULL;
+ for (;Index < 4; 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 = 0;
+ PartitionInfo->BootIndicator = FALSE;
+ PartitionInfo->RecognizedPartition = FALSE;
+ PartitionInfo->RewritePartition = TRUE;
+ }
+ }
+
+#ifdef DUMP_PARTITION_TABLE
+ DumpPartitionTable(DiskEntry);
+#endif
}
{
PPARTENTRY PrevPartEntry;
- if (PartEntry->ListEntry.Blink != &DiskEntry->PartListHead)
+ if (PartEntry->ListEntry.Blink != &DiskEntry->PrimaryPartListHead)
{
PrevPartEntry = CONTAINING_RECORD(PartEntry->ListEntry.Blink,
PARTENTRY,
ListEntry);
- if (PrevPartEntry->Unpartitioned == TRUE)
+ if (PrevPartEntry->IsPartitioned == FALSE)
return PrevPartEntry;
}
{
PPARTENTRY NextPartEntry;
- if (PartEntry->ListEntry.Flink != &DiskEntry->PartListHead)
+ if (PartEntry->ListEntry.Flink != &DiskEntry->PrimaryPartListHead)
{
NextPartEntry = CONTAINING_RECORD(PartEntry->ListEntry.Flink,
PARTENTRY,
ListEntry);
- if (NextPartEntry->Unpartitioned == TRUE)
+ if (NextPartEntry->IsPartitioned == FALSE)
return NextPartEntry;
}
VOID
-CreateNewPartition(
+CreatePrimaryPartition(
PPARTLIST List,
- ULONGLONG PartitionSize,
+ ULONGLONG SectorCount,
BOOLEAN AutoCreate)
{
PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
- PPARTENTRY PrevPartEntry;
- PPARTENTRY NextPartEntry;
PPARTENTRY NewPartEntry;
+ DPRINT1("CreatePrimaryPartition(%I64u)\n", SectorCount);
+
if (List == NULL ||
List->CurrentDisk == NULL ||
List->CurrentPartition == NULL ||
- List->CurrentPartition->Unpartitioned == FALSE)
+ List->CurrentPartition->IsPartitioned == TRUE)
{
return;
}
DiskEntry = List->CurrentDisk;
PartEntry = List->CurrentPartition;
+DPRINT1("Current partition sector count: %I64u\n", PartEntry->SectorCount.QuadPart);
+
if (AutoCreate == TRUE ||
- PartitionSize == PartEntry->UnpartitionedLength)
+ Align(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->PartInfo[0].StartingOffset.QuadPart =
- PartEntry->UnpartitionedOffset + DiskEntry->TrackSize;
- PartEntry->PartInfo[0].HiddenSectors =
- (ULONG)(PartEntry->PartInfo[0].StartingOffset.QuadPart / DiskEntry->BytesPerSector);
- PartEntry->PartInfo[0].PartitionLength.QuadPart =
- PartEntry->UnpartitionedLength - DiskEntry->TrackSize;
- PartEntry->PartInfo[0].PartitionType = PARTITION_ENTRY_UNUSED;
- PartEntry->PartInfo[0].BootIndicator = FALSE; /* FIXME */
- PartEntry->PartInfo[0].RewritePartition = TRUE;
- PartEntry->PartInfo[1].RewritePartition = TRUE;
- PartEntry->PartInfo[2].RewritePartition = TRUE;
- PartEntry->PartInfo[3].RewritePartition = TRUE;
-
- /* Get previous and next partition entries */
- PrevPartEntry = GetPrevPartitionedEntry(DiskEntry,
- PartEntry);
- NextPartEntry = GetNextPartitionedEntry(DiskEntry,
- PartEntry);
-
- if (PrevPartEntry != NULL && NextPartEntry != NULL)
- {
- /* Current entry is in the middle of the list */
-
- /* Copy previous container partition data to current entry */
- RtlCopyMemory(&PartEntry->PartInfo[1],
- &PrevPartEntry->PartInfo[1],
- sizeof(PARTITION_INFORMATION));
- PartEntry->PartInfo[1].RewritePartition = TRUE;
-
- /* Update previous container partition data */
-
- PrevPartEntry->PartInfo[1].StartingOffset.QuadPart =
- PartEntry->PartInfo[0].StartingOffset.QuadPart - DiskEntry->TrackSize;
- PrevPartEntry->PartInfo[1].HiddenSectors =
- (ULONG)(PrevPartEntry->PartInfo[1].StartingOffset.QuadPart / DiskEntry->BytesPerSector);
-
- if (DiskEntry->PartListHead.Flink == &PrevPartEntry->ListEntry)
- {
- /* Special case - previous partition is first partition */
- PrevPartEntry->PartInfo[1].PartitionLength.QuadPart =
- DiskEntry->DiskSize - PrevPartEntry->PartInfo[1].StartingOffset.QuadPart;
- }
- else
- {
- PrevPartEntry->PartInfo[1].PartitionLength.QuadPart =
- PartEntry->PartInfo[0].PartitionLength.QuadPart + DiskEntry->TrackSize;
- }
+ PartEntry->AutoCreate = AutoCreate;
+ PartEntry->New = TRUE;
+ PartEntry->BootIndicator = FALSE; /* FIXME */
- PrevPartEntry->PartInfo[1].RewritePartition = TRUE;
- }
- else if (PrevPartEntry == NULL && NextPartEntry != NULL)
- {
- /* Current entry is the first entry */
+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;
- }
- else if (PrevPartEntry != NULL && NextPartEntry == NULL)
- {
- /* Current entry is the last entry */
- PrevPartEntry->PartInfo[1].StartingOffset.QuadPart =
- PartEntry->PartInfo[0].StartingOffset.QuadPart - DiskEntry->TrackSize;
- PrevPartEntry->PartInfo[1].HiddenSectors =
- (ULONG)(PrevPartEntry->PartInfo[1].StartingOffset.QuadPart / DiskEntry->BytesPerSector);
+ /* Insert the new entry into the list */
+ InsertTailList(&PartEntry->ListEntry,
+ &NewPartEntry->ListEntry);
- if (DiskEntry->PartListHead.Flink == &PrevPartEntry->ListEntry)
- {
- /* Special case - previous partition is first partition */
- PrevPartEntry->PartInfo[1].PartitionLength.QuadPart =
- DiskEntry->DiskSize - PrevPartEntry->PartInfo[1].StartingOffset.QuadPart;
- }
- else
- {
- PrevPartEntry->PartInfo[1].PartitionLength.QuadPart =
- PartEntry->PartInfo[0].PartitionLength.QuadPart + DiskEntry->TrackSize;
- }
+ NewPartEntry->DiskEntry = DiskEntry;
+
+ NewPartEntry->IsPartitioned = TRUE;
+ NewPartEntry->StartSector.QuadPart = PartEntry->StartSector.QuadPart;
+ NewPartEntry->SectorCount.QuadPart = Align(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; /* FIXME */
+
+ PartEntry->StartSector.QuadPart = NewPartEntry->StartSector.QuadPart + NewPartEntry->SectorCount.QuadPart;
+ PartEntry->SectorCount.QuadPart -= (PartEntry->StartSector.QuadPart - NewPartEntry->StartSector.QuadPart);
+ }
+
+ UpdateDiskLayout(DiskEntry);
+
+ DiskEntry->Dirty = TRUE;
+
+ UpdatePartitionNumbers(DiskEntry);
+
+ 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->SectorsPerTrack;
+ NewPartEntry->SectorCount.QuadPart = DiskEntry->ExtendedPartition->SectorCount.QuadPart - (ULONGLONG)DiskEntry->SectorsPerTrack;
+
+ 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 == TRUE)
+ {
+ return;
+ }
+
+ DiskEntry = List->CurrentDisk;
+ PartEntry = List->CurrentPartition;
- if ((PartEntry->PartInfo[1].StartingOffset.QuadPart +
- PartEntry->PartInfo[1].PartitionLength.QuadPart) <
- (1024LL * 255LL * 63LL * 512LL))
- {
- PrevPartEntry->PartInfo[1].PartitionType = PARTITION_EXTENDED;
- }
- else
- {
- PrevPartEntry->PartInfo[1].PartitionType = PARTITION_XINT13_EXTENDED;
- }
+DPRINT1("Current partition sector count: %I64u\n", PartEntry->SectorCount.QuadPart);
+
+ if (Align(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; /* FIXME */
- PrevPartEntry->PartInfo[1].BootIndicator = FALSE;
- PrevPartEntry->PartInfo[1].RewritePartition = TRUE;
+ 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;
}
- PartEntry->AutoCreate = AutoCreate;
- PartEntry->New = TRUE;
- PartEntry->Unpartitioned = FALSE;
- PartEntry->UnpartitionedOffset = 0ULL;
- PartEntry->UnpartitionedLength = 0ULL;
+ 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
{
- /* Insert an initialize a new partition entry */
- NewPartEntry = (PPARTENTRY)RtlAllocateHeap(ProcessHeap,
- 0,
- sizeof(PARTENTRY));
+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;
- RtlZeroMemory(NewPartEntry,
- sizeof(PARTENTRY));
-
/* Insert the new entry into the list */
InsertTailList(&PartEntry->ListEntry,
&NewPartEntry->ListEntry);
- NewPartEntry->New = TRUE;
+ NewPartEntry->DiskEntry = DiskEntry;
- NewPartEntry->FormatState = Unformatted;
- NewPartEntry->PartInfo[0].StartingOffset.QuadPart =
- PartEntry->UnpartitionedOffset + DiskEntry->TrackSize;
- NewPartEntry->PartInfo[0].HiddenSectors =
- (ULONG)(NewPartEntry->PartInfo[0].StartingOffset.QuadPart / DiskEntry->BytesPerSector);
- NewPartEntry->PartInfo[0].PartitionLength.QuadPart =
- PartitionSize - DiskEntry->TrackSize;
- NewPartEntry->PartInfo[0].PartitionType = PARTITION_ENTRY_UNUSED;
- NewPartEntry->PartInfo[0].BootIndicator = FALSE; /* FIXME */
- NewPartEntry->PartInfo[0].RewritePartition = TRUE;
- NewPartEntry->PartInfo[1].RewritePartition = TRUE;
- NewPartEntry->PartInfo[2].RewritePartition = TRUE;
- NewPartEntry->PartInfo[3].RewritePartition = TRUE;
-
- /* Get previous and next partition entries */
- PrevPartEntry = GetPrevPartitionedEntry(DiskEntry,
- NewPartEntry);
- NextPartEntry = GetNextPartitionedEntry(DiskEntry,
- NewPartEntry);
-
- if (PrevPartEntry != NULL && NextPartEntry != NULL)
- {
- /* Current entry is in the middle of the list */
-
- /* Copy previous container partition data to current entry */
- RtlCopyMemory(&NewPartEntry->PartInfo[1],
- &PrevPartEntry->PartInfo[1],
- sizeof(PARTITION_INFORMATION));
- NewPartEntry->PartInfo[1].RewritePartition = TRUE;
-
- /* Update previous container partition data */
- PrevPartEntry->PartInfo[1].StartingOffset.QuadPart =
- NewPartEntry->PartInfo[0].StartingOffset.QuadPart - DiskEntry->TrackSize;
- PrevPartEntry->PartInfo[1].HiddenSectors =
- (ULONG)(PrevPartEntry->PartInfo[1].StartingOffset.QuadPart / DiskEntry->BytesPerSector);
-
- if (DiskEntry->PartListHead.Flink == &PrevPartEntry->ListEntry)
- {
- /* Special case - previous partition is first partition */
- PrevPartEntry->PartInfo[1].PartitionLength.QuadPart =
- DiskEntry->DiskSize - PrevPartEntry->PartInfo[1].StartingOffset.QuadPart;
- }
- else
- {
- PrevPartEntry->PartInfo[1].PartitionLength.QuadPart =
- NewPartEntry->PartInfo[0].PartitionLength.QuadPart + DiskEntry->TrackSize;
- }
+ NewPartEntry->IsPartitioned = TRUE;
+ NewPartEntry->StartSector.QuadPart = PartEntry->StartSector.QuadPart;
+ NewPartEntry->SectorCount.QuadPart = Align(NewPartEntry->StartSector.QuadPart + SectorCount, DiskEntry->SectorAlignment) -
+ NewPartEntry->StartSector.QuadPart;
- PrevPartEntry->PartInfo[1].RewritePartition = TRUE;
- }
- else if (PrevPartEntry == NULL && NextPartEntry != NULL)
+ NewPartEntry->New = FALSE;
+ NewPartEntry->FormatState = Formatted;
+ NewPartEntry->BootIndicator = FALSE; /* FIXME */
+
+ if (NewPartEntry->StartSector.QuadPart < 1450560)
{
- /* Current entry is the first entry */
- return;
+ /* Partition starts below the 8.4GB boundary ==> CHS partition */
+ NewPartEntry->PartitionType = PARTITION_EXTENDED;
}
- else if (PrevPartEntry != NULL && NextPartEntry == NULL)
+ else
{
- /* Current entry is the last entry */
+ /* Partition starts above the 8.4GB boundary ==> LBA partition */
+ NewPartEntry->PartitionType = PARTITION_XINT13_EXTENDED;
+ }
- PrevPartEntry->PartInfo[1].StartingOffset.QuadPart =
- NewPartEntry->PartInfo[0].StartingOffset.QuadPart - DiskEntry->TrackSize;
- PrevPartEntry->PartInfo[1].HiddenSectors =
- (ULONG)(PrevPartEntry->PartInfo[1].StartingOffset.QuadPart / DiskEntry->BytesPerSector);
+ DiskEntry->ExtendedPartition = NewPartEntry;
- if (DiskEntry->PartListHead.Flink == &PrevPartEntry->ListEntry)
- {
- /* Special case - previous partition is first partition */
- PrevPartEntry->PartInfo[1].PartitionLength.QuadPart =
- DiskEntry->DiskSize - PrevPartEntry->PartInfo[1].StartingOffset.QuadPart;
- }
- else
- {
- PrevPartEntry->PartInfo[1].PartitionLength.QuadPart =
- NewPartEntry->PartInfo[0].PartitionLength.QuadPart + DiskEntry->TrackSize;
- }
+ PartEntry->StartSector.QuadPart = NewPartEntry->StartSector.QuadPart + NewPartEntry->SectorCount.QuadPart;
+ PartEntry->SectorCount.QuadPart -= (PartEntry->StartSector.QuadPart - NewPartEntry->StartSector.QuadPart);
- if ((PartEntry->PartInfo[1].StartingOffset.QuadPart +
- PartEntry->PartInfo[1].PartitionLength.QuadPart) <
- (1024LL * 255LL * 63LL * 512LL))
- {
- PrevPartEntry->PartInfo[1].PartitionType = PARTITION_EXTENDED;
- }
- else
- {
- PrevPartEntry->PartInfo[1].PartitionType = PARTITION_XINT13_EXTENDED;
- }
+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);
+ }
- PrevPartEntry->PartInfo[1].BootIndicator = FALSE;
- PrevPartEntry->PartInfo[1].RewritePartition = TRUE;
- }
+ AddLogicalDiskSpace(DiskEntry);
- /* Update offset and size of the remaining unpartitioned disk space */
- PartEntry->UnpartitionedOffset += PartitionSize;
- PartEntry->UnpartitionedLength -= PartitionSize;
- }
+ UpdateDiskLayout(DiskEntry);
- DiskEntry->Modified = TRUE;
+ DiskEntry->Dirty = TRUE;
UpdatePartitionNumbers(DiskEntry);
- AssignDriverLetters(List);
+ AssignDriveLetters(List);
}
PPARTENTRY PartEntry;
PPARTENTRY PrevPartEntry;
PPARTENTRY NextPartEntry;
+ PPARTENTRY LogicalPartEntry;
+ PLIST_ENTRY Entry;
if (List == NULL ||
List->CurrentDisk == NULL ||
List->CurrentPartition == NULL ||
- List->CurrentPartition->Unpartitioned == TRUE)
+ List->CurrentPartition->IsPartitioned == FALSE)
{
return;
}
DiskEntry = List->CurrentDisk;
PartEntry = List->CurrentPartition;
- /* Adjust container partition entries */
-
- /* Get previous and next partition entries */
- PrevPartEntry = GetPrevPartitionedEntry(DiskEntry,
- PartEntry);
- NextPartEntry = GetNextPartitionedEntry(DiskEntry,
- PartEntry);
-
- if (PrevPartEntry != NULL && NextPartEntry != NULL)
+ /* Delete all logical partiton entries if an extended partition will be deleted */
+ if (DiskEntry->ExtendedPartition == PartEntry)
{
- /* Current entry is in the middle of the list */
+ while (!IsListEmpty(&DiskEntry->LogicalPartListHead))
+ {
+ Entry = RemoveHeadList(&DiskEntry->LogicalPartListHead);
+ LogicalPartEntry = CONTAINING_RECORD(Entry, PARTENTRY, ListEntry);
- /*
- * The first extended partition can not be deleted
- * as long as other extended partitions are present.
- */
- if (PrevPartEntry->ListEntry.Blink == &DiskEntry->PartListHead)
- return;
+ RtlFreeHeap(ProcessHeap, 0, LogicalPartEntry);
+ }
- /* Copy previous container partition data to current entry */
- RtlCopyMemory(&PrevPartEntry->PartInfo[1],
- &PartEntry->PartInfo[1],
- sizeof(PARTITION_INFORMATION));
- PrevPartEntry->PartInfo[1].RewritePartition = TRUE;
- }
- else if (PrevPartEntry == NULL && NextPartEntry != NULL)
- {
- /*
- * A primary partition can not be deleted as long as
- * extended partitions are present.
- */
- return;
- }
- else if (PrevPartEntry != NULL && NextPartEntry == NULL)
- {
- /* Current entry is the last entry */
- RtlZeroMemory(&PrevPartEntry->PartInfo[1],
- sizeof(PARTITION_INFORMATION));
- PrevPartEntry->PartInfo[1].RewritePartition = TRUE;
+ DiskEntry->ExtendedPartition = NULL;
}
-
/* Adjust unpartitioned disk space entries */
/* Get pointer to previous and next unpartitioned entries */
/* Merge previous, current and next unpartitioned entry */
/* Adjust the previous entries length */
- PrevPartEntry->UnpartitionedLength +=
- (PartEntry->PartInfo[0].PartitionLength.QuadPart + DiskEntry->TrackSize +
- NextPartEntry->UnpartitionedLength);
+ PrevPartEntry->SectorCount.QuadPart += (PartEntry->SectorCount.QuadPart + NextPartEntry->SectorCount.QuadPart);
/* Remove the current entry */
RemoveEntryList(&PartEntry->ListEntry);
- RtlFreeHeap(ProcessHeap,
- 0,
- PartEntry);
+ RtlFreeHeap(ProcessHeap, 0, PartEntry);
/* Remove the next entry */
RemoveEntryList (&NextPartEntry->ListEntry);
- RtlFreeHeap(ProcessHeap,
- 0,
- NextPartEntry);
+ RtlFreeHeap(ProcessHeap, 0, NextPartEntry);
/* Update current partition */
List->CurrentPartition = PrevPartEntry;
/* Merge current and previous unpartitioned entry */
/* Adjust the previous entries length */
- PrevPartEntry->UnpartitionedLength +=
- (PartEntry->PartInfo[0].PartitionLength.QuadPart + DiskEntry->TrackSize);
+ PrevPartEntry->SectorCount.QuadPart += PartEntry->SectorCount.QuadPart;
/* Remove the current entry */
RemoveEntryList(&PartEntry->ListEntry);
- RtlFreeHeap(ProcessHeap,
- 0,
- PartEntry);
+ RtlFreeHeap(ProcessHeap, 0, PartEntry);
/* Update current partition */
List->CurrentPartition = PrevPartEntry;
/* Merge current and next unpartitioned entry */
/* Adjust the next entries offset and length */
- NextPartEntry->UnpartitionedOffset =
- PartEntry->PartInfo[0].StartingOffset.QuadPart - DiskEntry->TrackSize;
- NextPartEntry->UnpartitionedLength +=
- (PartEntry->PartInfo[0].PartitionLength.QuadPart + DiskEntry->TrackSize);
+ NextPartEntry->StartSector.QuadPart = PartEntry->StartSector.QuadPart;
+ NextPartEntry->SectorCount.QuadPart += PartEntry->SectorCount.QuadPart;
/* Remove the current entry */
RemoveEntryList(&PartEntry->ListEntry);
- RtlFreeHeap(ProcessHeap,
- 0,
- PartEntry);
+ RtlFreeHeap(ProcessHeap, 0, PartEntry);
/* Update current partition */
List->CurrentPartition = NextPartEntry;
else
{
/* Nothing to merge but change current entry */
- PartEntry->New = FALSE;
- PartEntry->Unpartitioned = TRUE;
- PartEntry->UnpartitionedOffset =
- PartEntry->PartInfo[0].StartingOffset.QuadPart - DiskEntry->TrackSize;
- PartEntry->UnpartitionedLength =
- PartEntry->PartInfo[0].PartitionLength.QuadPart + DiskEntry->TrackSize;
-
- /* Wipe the partition table */
- RtlZeroMemory(&PartEntry->PartInfo,
- sizeof(PartEntry->PartInfo));
+ PartEntry->IsPartitioned = FALSE;
+ PartEntry->FormatState = Unformatted;
+ PartEntry->DriveLetter = 0;
}
- DiskEntry->Modified = TRUE;
+ UpdateDiskLayout(DiskEntry);
+
+ DiskEntry->Dirty = TRUE;
UpdatePartitionNumbers(DiskEntry);
- AssignDriverLetters(List);
+ AssignDriveLetters(List);
}
PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
PLIST_ENTRY ListEntry;
- UCHAR i;
/* Check for empty disk list */
if (IsListEmpty (&List->DiskListHead))
{
List->ActiveBootDisk = NULL;
List->ActiveBootPartition = NULL;
- List->ActiveBootPartitionNumber = 0;
return;
}
DiskEntry = List->CurrentDisk;
/* Check for empty partition list */
- if (IsListEmpty (&DiskEntry->PartListHead))
+ if (IsListEmpty (&DiskEntry->PrimaryPartListHead))
{
List->ActiveBootDisk = NULL;
List->ActiveBootPartition = NULL;
- List->ActiveBootPartitionNumber = 0;
return;
}
- PartEntry = CONTAINING_RECORD(DiskEntry->PartListHead.Flink,
+ PartEntry = CONTAINING_RECORD(DiskEntry->PrimaryPartListHead.Flink,
PARTENTRY,
ListEntry);
/* Set active boot partition */
if ((DiskEntry->NewDisk == TRUE) ||
- (PartEntry->PartInfo[0].BootIndicator == FALSE &&
- PartEntry->PartInfo[1].BootIndicator == FALSE &&
- PartEntry->PartInfo[2].BootIndicator == FALSE &&
- PartEntry->PartInfo[3].BootIndicator == FALSE))
+ (PartEntry->BootIndicator == FALSE))
{
- PartEntry->PartInfo[0].BootIndicator = TRUE;
- PartEntry->PartInfo[0].RewritePartition = TRUE;
- DiskEntry->Modified = TRUE;
+ PartEntry->BootIndicator = TRUE;
+ DiskEntry->LayoutBuffer->PartitionEntry[PartEntry->PartitionIndex].BootIndicator = TRUE;
+ DiskEntry->LayoutBuffer->PartitionEntry[PartEntry->PartitionIndex].RewritePartition = TRUE;
+ DiskEntry->Dirty = TRUE;
/* FIXME: Might be incorrect if partitions were created by Linux FDISK */
List->ActiveBootDisk = DiskEntry;
List->ActiveBootPartition = PartEntry;
- List->ActiveBootPartitionNumber = 0;
return;
}
/* Disk is not new, scan all partitions to find a bootable one */
List->ActiveBootDisk = NULL;
List->ActiveBootPartition = NULL;
- List->ActiveBootPartitionNumber = 0;
- ListEntry = DiskEntry->PartListHead.Flink;
- while (ListEntry != &DiskEntry->PartListHead)
+ ListEntry = DiskEntry->PrimaryPartListHead.Flink;
+ while (ListEntry != &DiskEntry->PrimaryPartListHead)
{
PartEntry = CONTAINING_RECORD(ListEntry,
PARTENTRY,
ListEntry);
- /* Check if it's partitioned */
- if (!PartEntry->Unpartitioned)
+ /* Check if it is partitioned */
+ if (PartEntry->IsPartitioned)
{
- /* Go through all of its 4 partitions */
- for (i = 0; i < 4; i++)
+ if (PartEntry->PartitionType != PARTITION_ENTRY_UNUSED &&
+ PartEntry->BootIndicator)
{
- if (PartEntry->PartInfo[i].PartitionType != PARTITION_ENTRY_UNUSED &&
- PartEntry->PartInfo[i].BootIndicator)
- {
- /* Yes, we found it */
- List->ActiveBootDisk = DiskEntry;
- List->ActiveBootPartition = PartEntry;
- List->ActiveBootPartitionNumber = i;
-
- DPRINT("Found bootable partition disk %d, drive letter %c\n",
- DiskEntry->DiskNumber, PartEntry->DriveLetter[i]);
+ /* Yes, we found it */
+ List->ActiveBootDisk = DiskEntry;
+ List->ActiveBootPartition = PartEntry;
- break;
- }
+ DPRINT("Found bootable partition disk %d, drive letter %c\n",
+ DiskEntry->DiskNumber, PartEntry->DriveLetter);
+ break;
}
}
CheckForLinuxFdiskPartitions(
PPARTLIST List)
{
+#if 0
PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
PLIST_ENTRY Entry1;
Entry1 = Entry1->Flink;
}
+#endif
return FALSE;
}
-BOOLEAN
-WritePartitionsToDisk(
- PPARTLIST List)
+static
+NTSTATUS
+WritePartitons(
+ IN PPARTLIST List,
+ IN PDISKENTRY DiskEntry)
{
- PDRIVE_LAYOUT_INFORMATION DriveLayout;
+ WCHAR DstPath[MAX_PATH];
OBJECT_ATTRIBUTES ObjectAttributes;
IO_STATUS_BLOCK Iosb;
- WCHAR DstPath[MAX_PATH];
UNICODE_STRING Name;
- HANDLE FileHandle;
- PDISKENTRY DiskEntry1;
- PDISKENTRY DiskEntry2;
- PPARTENTRY PartEntry;
- PLIST_ENTRY Entry1;
- PLIST_ENTRY Entry2;
- ULONG PartitionCount;
- ULONG DriveLayoutSize;
- ULONG Index;
+ ULONG BufferSize;
+ HANDLE FileHandle = NULL;
NTSTATUS Status;
- if (List == NULL)
+ 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))
{
- return TRUE;
+ DPRINT1("NtOpenFile() failed (Status %lx)\n", Status);
+ return Status;
}
- Entry1 = List->DiskListHead.Flink;
- while (Entry1 != &List->DiskListHead)
- {
- DiskEntry1 = CONTAINING_RECORD(Entry1,
- DISKENTRY,
- ListEntry);
-
- if (DiskEntry1->Modified == TRUE)
- {
- /* Count partitioned entries */
- PartitionCount = 0;
-
- Entry2 = DiskEntry1->PartListHead.Flink;
- while (Entry2 != &DiskEntry1->PartListHead)
- {
- PartEntry = CONTAINING_RECORD(Entry2,
- PARTENTRY,
- ListEntry);
- if (PartEntry->Unpartitioned == FALSE)
- {
- PartitionCount += 4;
- }
-
- Entry2 = Entry2->Flink;
- }
-
- if (PartitionCount == 0)
- {
- DriveLayoutSize = sizeof (DRIVE_LAYOUT_INFORMATION) +
- ((4 - 1) * sizeof (PARTITION_INFORMATION));
- }
- else
- {
- DriveLayoutSize = sizeof (DRIVE_LAYOUT_INFORMATION) +
- ((PartitionCount - 1) * sizeof (PARTITION_INFORMATION));
- }
-
- DriveLayout = (PDRIVE_LAYOUT_INFORMATION)RtlAllocateHeap(ProcessHeap,
- 0,
- DriveLayoutSize);
- if (DriveLayout == NULL)
- {
- DPRINT1("RtlAllocateHeap() failed\n");
- return FALSE;
- }
-
- RtlZeroMemory(DriveLayout,
- DriveLayoutSize);
-
- if (PartitionCount == 0)
- {
- /* delete all partitions in the mbr */
- DriveLayout->PartitionCount = 4;
- for (Index = 0; Index < 4; Index++)
- {
- DriveLayout->PartitionEntry[Index].RewritePartition = TRUE;
- }
- }
- else
- {
- DriveLayout->PartitionCount = PartitionCount;
- Index = 0;
-
- Entry2 = DiskEntry1->PartListHead.Flink;
- while (Entry2 != &DiskEntry1->PartListHead)
- {
- PartEntry = CONTAINING_RECORD(Entry2,
- PARTENTRY,
- ListEntry);
- if (PartEntry->Unpartitioned == FALSE)
- {
- RtlCopyMemory(&DriveLayout->PartitionEntry[Index],
- &PartEntry->PartInfo[0],
- 4 * sizeof (PARTITION_INFORMATION));
- Index += 4;
- }
-
- Entry2 = Entry2->Flink;
- }
- }
-
- if (DiskEntry1->Signature == 0)
- {
- LARGE_INTEGER SystemTime;
- TIME_FIELDS TimeFields;
- PUCHAR Buffer;
- Buffer = (PUCHAR)&DiskEntry1->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 (DiskEntry1->Signature == 0)
- {
- continue;
- }
+#ifdef DUMP_PARTITION_TABLE
+ DumpPartitionTable(DiskEntry);
+#endif
- /* 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 (DiskEntry1 != DiskEntry2 &&
- DiskEntry1->Signature == DiskEntry2->Signature)
- {
- break;
- }
+ 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);
+ }
- Entry2 = Entry2->Flink;
- }
+ if (FileHandle != NULL)
+ NtClose(FileHandle);
- if (Entry2 == &List->DiskListHead)
- {
- break;
- }
- }
+ return Status;
+}
- /* set one partition entry to dirty, this will update the signature */
- DriveLayout->PartitionEntry[0].RewritePartition = TRUE;
- }
- DriveLayout->Signature = DiskEntry1->Signature;
-
- swprintf(DstPath,
- L"\\Device\\Harddisk%d\\Partition0",
- DiskEntry1->DiskNumber);
- RtlInitUnicodeString(&Name,
- DstPath);
- InitializeObjectAttributes(&ObjectAttributes,
- &Name,
- 0,
- NULL,
- NULL);
-
- Status = NtOpenFile(&FileHandle,
- FILE_ALL_ACCESS,
- &ObjectAttributes,
- &Iosb,
- 0,
- FILE_SYNCHRONOUS_IO_NONALERT);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("NtOpenFile() failed (Status %lx)\n", Status);
- return FALSE;
- }
+BOOLEAN
+WritePartitionsToDisk(
+ PPARTLIST List)
+{
+ PLIST_ENTRY Entry;
+ PDISKENTRY DiskEntry;
- Status = NtDeviceIoControlFile(FileHandle,
- NULL,
- NULL,
- NULL,
- &Iosb,
- IOCTL_DISK_SET_DRIVE_LAYOUT,
- DriveLayout,
- DriveLayoutSize,
- NULL,
- 0);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("NtDeviceIoControlFile() failed (Status %lx)\n", Status);
- NtClose(FileHandle);
- return FALSE;
- }
+ if (List == NULL)
+ return TRUE;
- RtlFreeHeap(ProcessHeap,
- 0,
- DriveLayout);
+ Entry = List->DiskListHead.Flink;
+ while (Entry != &List->DiskListHead)
+ {
+ DiskEntry = CONTAINING_RECORD(Entry, DISKENTRY, ListEntry);
- NtClose(FileHandle);
+ if (DiskEntry->Dirty == TRUE)
+ {
+ WritePartitons(List, DiskEntry);
}
- Entry1 = Entry1->Flink;
+ Entry = Entry->Flink;
}
return TRUE;
PLIST_ENTRY Entry1, Entry2;
PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
- UCHAR i;
+ LARGE_INTEGER StartingOffset;
if (List == NULL)
{
DISKENTRY,
ListEntry);
- Entry2 = DiskEntry->PartListHead.Flink;
- while (Entry2 != &DiskEntry->PartListHead)
+ Entry2 = DiskEntry->PrimaryPartListHead.Flink;
+ while (Entry2 != &DiskEntry->PrimaryPartListHead)
{
PartEntry = CONTAINING_RECORD(Entry2, PARTENTRY, ListEntry);
- if (!PartEntry->Unpartitioned)
+ if (PartEntry->IsPartitioned)
{
- for (i = 0; i < 4; i++)
+ if (PartEntry->DriveLetter)
{
- if (PartEntry->DriveLetter[i])
+ StartingOffset.QuadPart = PartEntry->StartSector.QuadPart * DiskEntry->BytesPerSector;
+ if (!SetMountedDeviceValue(PartEntry->DriveLetter,
+ DiskEntry->LayoutBuffer->Signature,
+ StartingOffset))
{
- if (!SetMountedDeviceValue(PartEntry->DriveLetter[i],
- DiskEntry->Signature,
- PartEntry->PartInfo[i].StartingOffset))
- {
- return FALSE;
- }
+ return FALSE;
}
}
}
return TRUE;
}
+
+static
+BOOLEAN
+IsLastPrimaryPartiton(
+ IN PPARTENTRY PartEntry)
+{
+ return (PartEntry->ListEntry.Flink == &PartEntry->DiskEntry->PrimaryPartListHead);
+}
+
+
+static
+BOOLEAN
+IsPreviousPartitionExtended(
+ IN PPARTENTRY PartEntry,
+ IN PDISKENTRY DiskEntry)
+{
+ PPARTENTRY PrevPartEntry;
+ PLIST_ENTRY Entry;
+
+ Entry = PartEntry->ListEntry.Blink;
+
+ while (Entry != &DiskEntry->PrimaryPartListHead)
+ {
+ PrevPartEntry = CONTAINING_RECORD(Entry, PARTENTRY, ListEntry);
+
+ if (IsContainerPartition(PrevPartEntry->PartitionType))
+ return TRUE;
+
+ Entry = Entry->Blink;
+ }
+
+ return FALSE;
+
+}
+
+
+static
+ULONG
+GetPrimaryPartitionCount(
+ IN PDISKENTRY DiskEntry)
+{
+ PLIST_ENTRY Entry;
+ PPARTENTRY PartEntry;
+ UINT nCount = 0;
+
+ Entry = DiskEntry->PrimaryPartListHead.Flink;
+ while (Entry != &DiskEntry->PrimaryPartListHead)
+ {
+ PartEntry = CONTAINING_RECORD(Entry, PARTENTRY, ListEntry);
+ if (PartEntry->IsPartitioned == TRUE)
+ nCount++;
+
+ Entry = Entry->Flink;
+ }
+
+ return nCount;
+}
+
+
+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 == TRUE)
+ return ERROR_NEW_PARTITION;
+
+ /* Fail if there are more than 4 partitions in the list */
+ if (GetPrimaryPartitionCount(DiskEntry) > 4)
+ return ERROR_PARTITION_TABLE_FULL;
+
+ /* Fail if this partiton is located behind an extended partition */
+ if (IsPreviousPartitionExtended(PartEntry, DiskEntry))
+ return ERROR_NOT_BEHIND_EXTENDED;
+
+ 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 == TRUE)
+ return ERROR_NEW_PARTITION;
+
+ /* Fail if there are more than 4 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;
+
+ /* Fail if the partition is not the last list entry */
+ if (!IsLastPrimaryPartiton(PartEntry))
+ return ERROR_EXTENDED_NOT_LAST;
+
+ return ERROR_SUCCESS;
+}
+
/* EOF */
projects / reactos.git / blobdiff