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4c6370de16
And since we're here, add PARTITION_LINUX_EXT to ReactOS I/O controls header (rosioctl.h).
1177 lines
41 KiB
C
1177 lines
41 KiB
C
/*
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* PROJECT: ReactOS DiskPart
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: base/system/diskpart/partlist.c
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* PURPOSE: Manages all the partitions of the OS in an interactive way.
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* PROGRAMMERS: Eric Kohl
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*/
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/* INCLUDES *******************************************************************/
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#include "diskpart.h"
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#include <ntddscsi.h>
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#define NDEBUG
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#include <debug.h>
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#define InsertAscendingList(ListHead, NewEntry, Type, ListEntryField, SortField)\
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{\
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PLIST_ENTRY current;\
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\
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current = (ListHead)->Flink;\
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while (current != (ListHead))\
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{\
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if (CONTAINING_RECORD(current, Type, ListEntryField)->SortField >=\
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(NewEntry)->SortField)\
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{\
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break;\
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}\
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current = current->Flink;\
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}\
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\
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InsertTailList(current, &((NewEntry)->ListEntryField));\
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}
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/* We have to define it there, because it is not in the MS DDK */
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#define PARTITION_LINUX 0x83
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#define PARTITION_TBL_SIZE 4
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#include <pshpack1.h>
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typedef struct _PARTITION
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{
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unsigned char BootFlags; /* bootable? 0=no, 128=yes */
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unsigned char StartingHead; /* beginning head number */
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unsigned char StartingSector; /* beginning sector number */
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unsigned char StartingCylinder; /* 10 bit nmbr, with high 2 bits put in begsect */
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unsigned char PartitionType; /* Operating System type indicator code */
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unsigned char EndingHead; /* ending head number */
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unsigned char EndingSector; /* ending sector number */
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unsigned char EndingCylinder; /* also a 10 bit nmbr, with same high 2 bit trick */
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unsigned int StartingBlock; /* first sector relative to start of disk */
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unsigned int SectorCount; /* number of sectors in partition */
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} PARTITION, *PPARTITION;
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typedef struct _PARTITION_SECTOR
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{
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UCHAR BootCode[440]; /* 0x000 */
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ULONG Signature; /* 0x1B8 */
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UCHAR Reserved[2]; /* 0x1BC */
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PARTITION Partition[PARTITION_TBL_SIZE]; /* 0x1BE */
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USHORT Magic; /* 0x1FE */
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} PARTITION_SECTOR, *PPARTITION_SECTOR;
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#include <poppack.h>
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/* GLOBALS ********************************************************************/
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LIST_ENTRY DiskListHead;
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LIST_ENTRY BiosDiskListHead;
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PDISKENTRY CurrentDisk = NULL;
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PPARTENTRY CurrentPartition = NULL;
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/* FUNCTIONS ******************************************************************/
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ULONGLONG
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AlignDown(
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IN ULONGLONG Value,
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IN ULONG Alignment)
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{
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ULONGLONG Temp;
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Temp = Value / Alignment;
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return Temp * Alignment;
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}
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static
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VOID
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GetDriverName(
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PDISKENTRY DiskEntry)
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{
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RTL_QUERY_REGISTRY_TABLE QueryTable[2];
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WCHAR KeyName[32];
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NTSTATUS Status;
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RtlInitUnicodeString(&DiskEntry->DriverName,
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NULL);
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swprintf(KeyName,
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L"\\Scsi\\Scsi Port %lu",
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DiskEntry->Port);
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RtlZeroMemory(&QueryTable,
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sizeof(QueryTable));
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QueryTable[0].Name = L"Driver";
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QueryTable[0].Flags = RTL_QUERY_REGISTRY_DIRECT;
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QueryTable[0].EntryContext = &DiskEntry->DriverName;
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Status = RtlQueryRegistryValues(RTL_REGISTRY_DEVICEMAP,
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KeyName,
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QueryTable,
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NULL,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("RtlQueryRegistryValues() failed (Status %lx)\n", Status);
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}
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}
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static
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NTSTATUS
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NTAPI
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DiskIdentifierQueryRoutine(
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PWSTR ValueName,
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ULONG ValueType,
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PVOID ValueData,
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ULONG ValueLength,
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PVOID Context,
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PVOID EntryContext)
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{
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PBIOSDISKENTRY BiosDiskEntry = (PBIOSDISKENTRY)Context;
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UNICODE_STRING NameU;
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if (ValueType == REG_SZ &&
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ValueLength == 20 * sizeof(WCHAR))
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{
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NameU.Buffer = (PWCHAR)ValueData;
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NameU.Length = NameU.MaximumLength = 8 * sizeof(WCHAR);
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RtlUnicodeStringToInteger(&NameU, 16, &BiosDiskEntry->Checksum);
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NameU.Buffer = (PWCHAR)ValueData + 9;
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RtlUnicodeStringToInteger(&NameU, 16, &BiosDiskEntry->Signature);
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return STATUS_SUCCESS;
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}
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return STATUS_UNSUCCESSFUL;
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}
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static
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NTSTATUS
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NTAPI
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DiskConfigurationDataQueryRoutine(
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PWSTR ValueName,
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ULONG ValueType,
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PVOID ValueData,
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ULONG ValueLength,
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PVOID Context,
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PVOID EntryContext)
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{
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PBIOSDISKENTRY BiosDiskEntry = (PBIOSDISKENTRY)Context;
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PCM_FULL_RESOURCE_DESCRIPTOR FullResourceDescriptor;
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PCM_DISK_GEOMETRY_DEVICE_DATA DiskGeometry;
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ULONG i;
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if (ValueType != REG_FULL_RESOURCE_DESCRIPTOR ||
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ValueLength < sizeof(CM_FULL_RESOURCE_DESCRIPTOR))
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return STATUS_UNSUCCESSFUL;
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FullResourceDescriptor = (PCM_FULL_RESOURCE_DESCRIPTOR)ValueData;
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/* Hm. Version and Revision are not set on Microsoft Windows XP... */
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#if 0
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if (FullResourceDescriptor->PartialResourceList.Version != 1 ||
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FullResourceDescriptor->PartialResourceList.Revision != 1)
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return STATUS_UNSUCCESSFUL;
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#endif
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for (i = 0; i < FullResourceDescriptor->PartialResourceList.Count; i++)
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{
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if (FullResourceDescriptor->PartialResourceList.PartialDescriptors[i].Type != CmResourceTypeDeviceSpecific ||
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FullResourceDescriptor->PartialResourceList.PartialDescriptors[i].u.DeviceSpecificData.DataSize != sizeof(CM_DISK_GEOMETRY_DEVICE_DATA))
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continue;
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DiskGeometry = (PCM_DISK_GEOMETRY_DEVICE_DATA)&FullResourceDescriptor->PartialResourceList.PartialDescriptors[i + 1];
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BiosDiskEntry->DiskGeometry = *DiskGeometry;
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return STATUS_SUCCESS;
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}
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return STATUS_UNSUCCESSFUL;
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}
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static
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NTSTATUS
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NTAPI
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SystemConfigurationDataQueryRoutine(
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PWSTR ValueName,
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ULONG ValueType,
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PVOID ValueData,
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ULONG ValueLength,
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PVOID Context,
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PVOID EntryContext)
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{
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PCM_FULL_RESOURCE_DESCRIPTOR FullResourceDescriptor;
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PCM_INT13_DRIVE_PARAMETER* Int13Drives = (PCM_INT13_DRIVE_PARAMETER*)Context;
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ULONG i;
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if (ValueType != REG_FULL_RESOURCE_DESCRIPTOR ||
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ValueLength < sizeof (CM_FULL_RESOURCE_DESCRIPTOR))
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return STATUS_UNSUCCESSFUL;
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FullResourceDescriptor = (PCM_FULL_RESOURCE_DESCRIPTOR)ValueData;
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/* Hm. Version and Revision are not set on Microsoft Windows XP... */
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#if 0
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if (FullResourceDescriptor->PartialResourceList.Version != 1 ||
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FullResourceDescriptor->PartialResourceList.Revision != 1)
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return STATUS_UNSUCCESSFUL;
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#endif
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for (i = 0; i < FullResourceDescriptor->PartialResourceList.Count; i++)
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{
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if (FullResourceDescriptor->PartialResourceList.PartialDescriptors[i].Type != CmResourceTypeDeviceSpecific ||
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FullResourceDescriptor->PartialResourceList.PartialDescriptors[i].u.DeviceSpecificData.DataSize % sizeof(CM_INT13_DRIVE_PARAMETER) != 0)
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continue;
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*Int13Drives = (CM_INT13_DRIVE_PARAMETER*)RtlAllocateHeap(RtlGetProcessHeap(), 0,
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FullResourceDescriptor->PartialResourceList.PartialDescriptors[i].u.DeviceSpecificData.DataSize);
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if (*Int13Drives == NULL)
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return STATUS_NO_MEMORY;
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memcpy(*Int13Drives,
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&FullResourceDescriptor->PartialResourceList.PartialDescriptors[i + 1],
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FullResourceDescriptor->PartialResourceList.PartialDescriptors[i].u.DeviceSpecificData.DataSize);
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return STATUS_SUCCESS;
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}
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return STATUS_UNSUCCESSFUL;
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}
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#define ROOT_NAME L"\\Registry\\Machine\\HARDWARE\\DESCRIPTION\\System\\MultifunctionAdapter"
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static
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VOID
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EnumerateBiosDiskEntries(VOID)
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{
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RTL_QUERY_REGISTRY_TABLE QueryTable[3];
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WCHAR Name[120];
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ULONG AdapterCount;
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ULONG DiskCount;
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NTSTATUS Status;
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PCM_INT13_DRIVE_PARAMETER Int13Drives;
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PBIOSDISKENTRY BiosDiskEntry;
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memset(QueryTable, 0, sizeof(QueryTable));
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QueryTable[1].Name = L"Configuration Data";
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QueryTable[1].QueryRoutine = SystemConfigurationDataQueryRoutine;
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Int13Drives = NULL;
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Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
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L"\\Registry\\Machine\\HARDWARE\\DESCRIPTION\\System",
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&QueryTable[1],
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(PVOID)&Int13Drives,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("Unable to query the 'Configuration Data' key in '\\Registry\\Machine\\HARDWARE\\DESCRIPTION\\System', status=%lx\n", Status);
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return;
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}
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AdapterCount = 0;
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while (1)
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{
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swprintf(Name, L"%s\\%lu", ROOT_NAME, AdapterCount);
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Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
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Name,
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&QueryTable[2],
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NULL,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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break;
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}
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swprintf(Name, L"%s\\%lu\\DiskController", ROOT_NAME, AdapterCount);
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Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
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Name,
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&QueryTable[2],
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NULL,
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NULL);
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if (NT_SUCCESS(Status))
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{
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while (1)
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{
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swprintf(Name, L"%s\\%lu\\DiskController\\0", ROOT_NAME, AdapterCount);
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Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
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Name,
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&QueryTable[2],
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NULL,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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RtlFreeHeap(RtlGetProcessHeap(), 0, Int13Drives);
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return;
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}
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swprintf(Name, L"%s\\%lu\\DiskController\\0\\DiskPeripheral", ROOT_NAME, AdapterCount);
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Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
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Name,
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&QueryTable[2],
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NULL,
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NULL);
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if (NT_SUCCESS(Status))
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{
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QueryTable[0].Name = L"Identifier";
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QueryTable[0].QueryRoutine = DiskIdentifierQueryRoutine;
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QueryTable[1].Name = L"Configuration Data";
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QueryTable[1].QueryRoutine = DiskConfigurationDataQueryRoutine;
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DiskCount = 0;
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while (1)
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{
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BiosDiskEntry = (BIOSDISKENTRY*)RtlAllocateHeap(RtlGetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(BIOSDISKENTRY));
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if (BiosDiskEntry == NULL)
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{
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break;
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}
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swprintf(Name, L"%s\\%lu\\DiskController\\0\\DiskPeripheral\\%lu", ROOT_NAME, AdapterCount, DiskCount);
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Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
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Name,
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QueryTable,
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(PVOID)BiosDiskEntry,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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RtlFreeHeap(RtlGetProcessHeap(), 0, BiosDiskEntry);
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break;
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}
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BiosDiskEntry->DiskNumber = DiskCount;
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BiosDiskEntry->Recognized = FALSE;
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if (DiskCount < Int13Drives[0].NumberDrives)
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{
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BiosDiskEntry->Int13DiskData = Int13Drives[DiskCount];
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}
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else
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{
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DPRINT1("Didn't find int13 drive datas for disk %u\n", DiskCount);
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}
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InsertTailList(&BiosDiskListHead, &BiosDiskEntry->ListEntry);
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DPRINT("DiskNumber: %lu\n", BiosDiskEntry->DiskNumber);
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DPRINT("Signature: %08lx\n", BiosDiskEntry->Signature);
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DPRINT("Checksum: %08lx\n", BiosDiskEntry->Checksum);
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DPRINT("BytesPerSector: %lu\n", BiosDiskEntry->DiskGeometry.BytesPerSector);
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DPRINT("NumberOfCylinders: %lu\n", BiosDiskEntry->DiskGeometry.NumberOfCylinders);
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DPRINT("NumberOfHeads: %lu\n", BiosDiskEntry->DiskGeometry.NumberOfHeads);
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DPRINT("DriveSelect: %02x\n", BiosDiskEntry->Int13DiskData.DriveSelect);
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DPRINT("MaxCylinders: %lu\n", BiosDiskEntry->Int13DiskData.MaxCylinders);
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DPRINT("SectorsPerTrack: %d\n", BiosDiskEntry->Int13DiskData.SectorsPerTrack);
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DPRINT("MaxHeads: %d\n", BiosDiskEntry->Int13DiskData.MaxHeads);
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DPRINT("NumberDrives: %d\n", BiosDiskEntry->Int13DiskData.NumberDrives);
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DiskCount++;
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}
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}
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RtlFreeHeap(RtlGetProcessHeap(), 0, Int13Drives);
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return;
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}
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}
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AdapterCount++;
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}
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RtlFreeHeap(RtlGetProcessHeap(), 0, Int13Drives);
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}
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static
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VOID
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AddPartitionToDisk(
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ULONG DiskNumber,
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PDISKENTRY DiskEntry,
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ULONG PartitionIndex,
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BOOLEAN LogicalPartition)
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{
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PPARTITION_INFORMATION PartitionInfo;
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PPARTENTRY PartEntry;
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PartitionInfo = &DiskEntry->LayoutBuffer->PartitionEntry[PartitionIndex];
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if (PartitionInfo->PartitionType == 0 ||
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(LogicalPartition == TRUE && IsContainerPartition(PartitionInfo->PartitionType)))
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return;
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PartEntry = RtlAllocateHeap(RtlGetProcessHeap(),
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HEAP_ZERO_MEMORY,
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sizeof(PARTENTRY));
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if (PartEntry == NULL)
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{
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return;
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}
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PartEntry->DiskEntry = DiskEntry;
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PartEntry->StartSector.QuadPart = (ULONGLONG)PartitionInfo->StartingOffset.QuadPart / DiskEntry->BytesPerSector;
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PartEntry->SectorCount.QuadPart = (ULONGLONG)PartitionInfo->PartitionLength.QuadPart / DiskEntry->BytesPerSector;
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PartEntry->BootIndicator = PartitionInfo->BootIndicator;
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PartEntry->PartitionType = PartitionInfo->PartitionType;
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PartEntry->HiddenSectors = PartitionInfo->HiddenSectors;
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PartEntry->LogicalPartition = LogicalPartition;
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PartEntry->IsPartitioned = TRUE;
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PartEntry->PartitionNumber = PartitionInfo->PartitionNumber;
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PartEntry->PartitionIndex = PartitionIndex;
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if (IsContainerPartition(PartEntry->PartitionType))
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{
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PartEntry->FormatState = Unformatted;
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if (LogicalPartition == FALSE && DiskEntry->ExtendedPartition == NULL)
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DiskEntry->ExtendedPartition = PartEntry;
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}
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else if ((PartEntry->PartitionType == PARTITION_FAT_12) ||
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(PartEntry->PartitionType == PARTITION_FAT_16) ||
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(PartEntry->PartitionType == PARTITION_HUGE) ||
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(PartEntry->PartitionType == PARTITION_XINT13) ||
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(PartEntry->PartitionType == PARTITION_FAT32) ||
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(PartEntry->PartitionType == PARTITION_FAT32_XINT13))
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{
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#if 0
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if (CheckFatFormat())
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{
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PartEntry->FormatState = Preformatted;
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}
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else
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{
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PartEntry->FormatState = Unformatted;
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}
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#endif
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PartEntry->FormatState = Preformatted;
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}
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else if (PartEntry->PartitionType == PARTITION_LINUX)
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{
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#if 0
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if (CheckExt2Format())
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{
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PartEntry->FormatState = Preformatted;
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}
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else
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{
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PartEntry->FormatState = Unformatted;
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}
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#endif
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PartEntry->FormatState = Preformatted;
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}
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else if (PartEntry->PartitionType == PARTITION_IFS)
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{
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#if 0
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if (CheckNtfsFormat())
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{
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PartEntry->FormatState = Preformatted;
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}
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else if (CheckHpfsFormat())
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{
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PartEntry->FormatState = Preformatted;
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}
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else
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{
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PartEntry->FormatState = Unformatted;
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}
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#endif
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PartEntry->FormatState = Preformatted;
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}
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else
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{
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PartEntry->FormatState = UnknownFormat;
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}
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if (LogicalPartition)
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InsertTailList(&DiskEntry->LogicalPartListHead,
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&PartEntry->ListEntry);
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else
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InsertTailList(&DiskEntry->PrimaryPartListHead,
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&PartEntry->ListEntry);
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}
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static
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VOID
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ScanForUnpartitionedDiskSpace(
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PDISKENTRY DiskEntry)
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{
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ULONGLONG LastStartSector;
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ULONGLONG LastSectorCount;
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ULONGLONG LastUnusedSectorCount;
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PPARTENTRY PartEntry;
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PPARTENTRY NewPartEntry;
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PLIST_ENTRY Entry;
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DPRINT("ScanForUnpartitionedDiskSpace()\n");
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if (IsListEmpty(&DiskEntry->PrimaryPartListHead))
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{
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DPRINT1("No primary partition!\n");
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/* Create a partition table that represents the empty disk */
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NewPartEntry = RtlAllocateHeap(RtlGetProcessHeap(),
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HEAP_ZERO_MEMORY,
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sizeof(PARTENTRY));
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if (NewPartEntry == NULL)
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return;
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NewPartEntry->DiskEntry = DiskEntry;
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NewPartEntry->IsPartitioned = FALSE;
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NewPartEntry->StartSector.QuadPart = (ULONGLONG)DiskEntry->SectorAlignment;
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NewPartEntry->SectorCount.QuadPart = AlignDown(DiskEntry->SectorCount.QuadPart, DiskEntry->SectorAlignment) -
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NewPartEntry->StartSector.QuadPart;
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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(RtlGetProcessHeap(),
|
|
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)
|
|
{
|
|
DPRINT1("Unpartitioned disk space: %I64u sectors\n", LastUnusedSectorCount);
|
|
|
|
NewPartEntry = RtlAllocateHeap(RtlGetProcessHeap(),
|
|
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;
|
|
|
|
/* 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(RtlGetProcessHeap(),
|
|
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(RtlGetProcessHeap(),
|
|
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(RtlGetProcessHeap(),
|
|
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
|
|
AddDiskToList(
|
|
HANDLE FileHandle,
|
|
ULONG DiskNumber)
|
|
{
|
|
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(RtlGetProcessHeap(),
|
|
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(RtlGetProcessHeap(), 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(RtlGetProcessHeap(),
|
|
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(RtlGetProcessHeap(), 0, Mbr);
|
|
|
|
ListEntry = BiosDiskListHead.Flink;
|
|
while (ListEntry != &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 %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;
|
|
DiskEntry->CylinderAlignment = DiskGeometry.SectorsPerTrack * DiskGeometry.TracksPerCylinder;
|
|
|
|
DPRINT1("SectorCount: %I64u\n", DiskEntry->SectorCount);
|
|
DPRINT1("SectorAlignment: %lu\n", DiskEntry->SectorAlignment);
|
|
DPRINT1("CylinderAlignment: %lu\n", DiskEntry->CylinderAlignment);
|
|
|
|
DiskEntry->DiskNumber = DiskNumber;
|
|
DiskEntry->Port = ScsiAddress.PortNumber;
|
|
DiskEntry->Bus = ScsiAddress.PathId;
|
|
DiskEntry->Id = ScsiAddress.TargetId;
|
|
|
|
GetDriverName(DiskEntry);
|
|
|
|
InsertAscendingList(&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(RtlGetProcessHeap(),
|
|
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(RtlGetProcessHeap(),
|
|
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);
|
|
}
|
|
|
|
|
|
NTSTATUS
|
|
CreatePartitionList(VOID)
|
|
{
|
|
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;
|
|
|
|
CurrentDisk = NULL;
|
|
CurrentPartition = NULL;
|
|
|
|
// BootDisk = NULL;
|
|
// BootPartition = NULL;
|
|
|
|
// TempDisk = NULL;
|
|
// TempPartition = NULL;
|
|
// FormatState = Start;
|
|
|
|
InitializeListHead(&DiskListHead);
|
|
InitializeListHead(&BiosDiskListHead);
|
|
|
|
EnumerateBiosDiskEntries();
|
|
|
|
Status = NtQuerySystemInformation(SystemDeviceInformation,
|
|
&Sdi,
|
|
sizeof(SYSTEM_DEVICE_INFORMATION),
|
|
&ReturnSize);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
return Status;
|
|
}
|
|
|
|
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);
|
|
|
|
NtClose(FileHandle);
|
|
}
|
|
}
|
|
|
|
// UpdateDiskSignatures(List);
|
|
|
|
// AssignDriveLetters(List);
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
|
|
VOID
|
|
DestroyPartitionList(VOID)
|
|
{
|
|
PDISKENTRY DiskEntry;
|
|
PBIOSDISKENTRY BiosDiskEntry;
|
|
PPARTENTRY PartEntry;
|
|
PLIST_ENTRY Entry;
|
|
|
|
CurrentDisk = NULL;
|
|
CurrentPartition = NULL;
|
|
|
|
/* Release disk and partition info */
|
|
while (!IsListEmpty(&DiskListHead))
|
|
{
|
|
Entry = RemoveHeadList(&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(RtlGetProcessHeap(), 0, PartEntry);
|
|
}
|
|
|
|
/* Release logical partition list */
|
|
while (!IsListEmpty(&DiskEntry->LogicalPartListHead))
|
|
{
|
|
Entry = RemoveHeadList(&DiskEntry->LogicalPartListHead);
|
|
PartEntry = CONTAINING_RECORD(Entry, PARTENTRY, ListEntry);
|
|
|
|
RtlFreeHeap(RtlGetProcessHeap(), 0, PartEntry);
|
|
}
|
|
|
|
/* Release layout buffer */
|
|
if (DiskEntry->LayoutBuffer != NULL)
|
|
RtlFreeHeap(RtlGetProcessHeap(), 0, DiskEntry->LayoutBuffer);
|
|
|
|
|
|
/* Release disk entry */
|
|
RtlFreeHeap(RtlGetProcessHeap(), 0, DiskEntry);
|
|
}
|
|
|
|
/* Release the bios disk info */
|
|
while (!IsListEmpty(&BiosDiskListHead))
|
|
{
|
|
Entry = RemoveHeadList(&BiosDiskListHead);
|
|
BiosDiskEntry = CONTAINING_RECORD(Entry, BIOSDISKENTRY, ListEntry);
|
|
|
|
RtlFreeHeap(RtlGetProcessHeap(), 0, BiosDiskEntry);
|
|
}
|
|
}
|
|
|
|
/* EOF */
|