-/* $Id: xhaldrv.c,v 1.9 2001/06/07 21:16:41 ekohl Exp $
+/* $Id: xhaldrv.c,v 1.10 2001/06/08 15:11:04 ekohl Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
/* FUNCTIONS *****************************************************************/
static NTSTATUS
-xHalpQueryDriveLayout (
- IN PUNICODE_STRING DeviceName,
- OUT PDRIVE_LAYOUT_INFORMATION *LayoutInfo
- )
+xHalpQueryDriveLayout(IN PUNICODE_STRING DeviceName,
+ OUT PDRIVE_LAYOUT_INFORMATION *LayoutInfo)
{
- IO_STATUS_BLOCK StatusBlock;
- DISK_GEOMETRY DiskGeometry;
- PDEVICE_OBJECT DeviceObject = NULL;
- PFILE_OBJECT FileObject;
- KEVENT Event;
- PIRP Irp;
- NTSTATUS Status;
-
- DPRINT ("xHalpQueryDriveLayout %wZ %p\n",
- DeviceName,
- LayoutInfo);
-
- /*
- * Get the drives sector size
- */
- Status = IoGetDeviceObjectPointer (DeviceName,
- FILE_READ_DATA,
- &FileObject,
- &DeviceObject);
- if (!NT_SUCCESS(Status))
- {
- DPRINT ("Status %x\n",Status);
- return Status;
- }
+ IO_STATUS_BLOCK StatusBlock;
+ DISK_GEOMETRY DiskGeometry;
+ PDEVICE_OBJECT DeviceObject = NULL;
+ PFILE_OBJECT FileObject;
+ KEVENT Event;
+ PIRP Irp;
+ NTSTATUS Status;
- KeInitializeEvent (&Event,
- NotificationEvent,
- FALSE);
-
- Irp = IoBuildDeviceIoControlRequest (IOCTL_DISK_GET_DRIVE_GEOMETRY,
- DeviceObject,
- NULL,
- 0,
- &DiskGeometry,
- sizeof(DISK_GEOMETRY),
- FALSE,
- &Event,
- &StatusBlock);
- if (Irp == NULL)
- {
- ObDereferenceObject (FileObject);
- return STATUS_INSUFFICIENT_RESOURCES;
- }
+ DPRINT("xHalpQueryDriveLayout %wZ %p\n",
+ DeviceName,
+ LayoutInfo);
- Status = IoCallDriver(DeviceObject, Irp);
- if (Status == STATUS_PENDING)
- {
- KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
- Status = StatusBlock.Status;
- }
- if (!NT_SUCCESS(Status))
- {
- ObDereferenceObject (FileObject);
- return Status;
+ /* Get the drives sector size */
+ Status = IoGetDeviceObjectPointer(DeviceName,
+ FILE_READ_DATA,
+ &FileObject,
+ &DeviceObject);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("Status %x\n",Status);
+ return Status;
}
- DPRINT("DiskGeometry.BytesPerSector: %d\n",
- DiskGeometry.BytesPerSector);
+ KeInitializeEvent(&Event,
+ NotificationEvent,
+ FALSE);
+
+ Irp = IoBuildDeviceIoControlRequest(IOCTL_DISK_GET_DRIVE_GEOMETRY,
+ DeviceObject,
+ NULL,
+ 0,
+ &DiskGeometry,
+ sizeof(DISK_GEOMETRY),
+ FALSE,
+ &Event,
+ &StatusBlock);
+ if (Irp == NULL)
+ {
+ ObDereferenceObject(FileObject);
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
- /* read the partition table */
- Status = IoReadPartitionTable (DeviceObject,
- DiskGeometry.BytesPerSector,
- FALSE,
- LayoutInfo);
+ Status = IoCallDriver(DeviceObject,
+ Irp);
+ if (Status == STATUS_PENDING)
+ {
+ KeWaitForSingleObject(&Event,
+ Executive,
+ KernelMode,
+ FALSE,
+ NULL);
+ Status = StatusBlock.Status;
+ }
+ if (!NT_SUCCESS(Status))
+ {
+ ObDereferenceObject(FileObject);
+ return Status;
+ }
- ObDereferenceObject (FileObject);
+ DPRINT("DiskGeometry.BytesPerSector: %d\n",
+ DiskGeometry.BytesPerSector);
- return Status;
+ /* read the partition table */
+ Status = IoReadPartitionTable(DeviceObject,
+ DiskGeometry.BytesPerSector,
+ FALSE,
+ LayoutInfo);
+
+ ObDereferenceObject(FileObject);
+
+ return Status;
}
IN ULONG MBRTypeIdentifier,
OUT PVOID *Buffer)
{
- KEVENT Event;
- IO_STATUS_BLOCK StatusBlock;
- LARGE_INTEGER Offset;
- PUCHAR LocalBuffer;
- PIRP Irp;
- NTSTATUS Status;
-
- DPRINT ("xHalExamineMBR()\n");
- *Buffer = NULL;
-
- if (SectorSize < 512)
- SectorSize = 512;
- if (SectorSize > 4096)
- SectorSize = 4096;
-
- LocalBuffer = (PUCHAR)ExAllocatePool (PagedPool,
- SectorSize);
- if (LocalBuffer == NULL)
- return;
-
- KeInitializeEvent (&Event,
- NotificationEvent,
- FALSE);
-
- Offset.QuadPart = 0;
-
- Irp = IoBuildSynchronousFsdRequest (IRP_MJ_READ,
- DeviceObject,
- LocalBuffer,
- SectorSize,
- &Offset,
- &Event,
- &StatusBlock);
-
- Status = IoCallDriver (DeviceObject,
- Irp);
- if (Status == STATUS_PENDING)
- {
- KeWaitForSingleObject (&Event,
- Executive,
- KernelMode,
- FALSE,
- NULL);
- Status = StatusBlock.Status;
- }
+ KEVENT Event;
+ IO_STATUS_BLOCK StatusBlock;
+ LARGE_INTEGER Offset;
+ PUCHAR LocalBuffer;
+ PIRP Irp;
+ NTSTATUS Status;
- if (!NT_SUCCESS(Status))
- {
- DPRINT ("xHalExamineMBR failed (Status = 0x%08lx)\n",
- Status);
- ExFreePool (LocalBuffer);
- return;
- }
+ DPRINT("xHalExamineMBR()\n");
+ *Buffer = NULL;
- if (LocalBuffer[0x1FE] != 0x55 || LocalBuffer[0x1FF] != 0xAA)
- {
- DPRINT ("xHalExamineMBR: invalid MBR signature\n");
- ExFreePool (LocalBuffer);
- return;
- }
+ if (SectorSize < 512)
+ SectorSize = 512;
+ if (SectorSize > 4096)
+ SectorSize = 4096;
- if (LocalBuffer[0x1C2] != MBRTypeIdentifier)
- {
- DPRINT ("xHalExamineMBR: invalid MBRTypeIdentifier\n");
- ExFreePool (LocalBuffer);
- return;
- }
+ LocalBuffer = (PUCHAR)ExAllocatePool(PagedPool,
+ SectorSize);
+ if (LocalBuffer == NULL)
+ return;
+
+ KeInitializeEvent(&Event,
+ NotificationEvent,
+ FALSE);
+
+ Offset.QuadPart = 0;
+
+ Irp = IoBuildSynchronousFsdRequest(IRP_MJ_READ,
+ DeviceObject,
+ LocalBuffer,
+ SectorSize,
+ &Offset,
+ &Event,
+ &StatusBlock);
+
+ Status = IoCallDriver(DeviceObject,
+ Irp);
+ if (Status == STATUS_PENDING)
+ {
+ KeWaitForSingleObject(&Event,
+ Executive,
+ KernelMode,
+ FALSE,
+ NULL);
+ Status = StatusBlock.Status;
+ }
- *Buffer = (PVOID)LocalBuffer;
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("xHalExamineMBR failed (Status = 0x%08lx)\n",
+ Status);
+ ExFreePool(LocalBuffer);
+ return;
+ }
+
+ if (LocalBuffer[0x1FE] != 0x55 || LocalBuffer[0x1FF] != 0xAA)
+ {
+ DPRINT("xHalExamineMBR: invalid MBR signature\n");
+ ExFreePool(LocalBuffer);
+ return;
+ }
+
+ if (LocalBuffer[0x1C2] != MBRTypeIdentifier)
+ {
+ DPRINT("xHalExamineMBR: invalid MBRTypeIdentifier\n");
+ ExFreePool(LocalBuffer);
+ return;
+ }
+
+ *Buffer = (PVOID)LocalBuffer;
}
+
static VOID
-HalpAssignDrive (
- IN PUNICODE_STRING PartitionName,
- IN OUT PULONG DriveMap,
- IN ULONG DriveNumber
- )
+HalpAssignDrive(IN PUNICODE_STRING PartitionName,
+ IN OUT PULONG DriveMap,
+ IN ULONG DriveNumber)
{
- WCHAR DriveNameBuffer[8];
- UNICODE_STRING DriveName;
- ULONG i;
-
- DPRINT("HalpAssignDrive()\n");
-
- if ((DriveNumber != AUTO_DRIVE) && (DriveNumber < 24))
- {
- /* force assignment */
- if ((*DriveMap & (1 << DriveNumber)) != 0)
- {
- DbgPrint("Drive letter already used!\n");
- return;
- }
- }
- else
- {
- /* automatic assignment */
- DriveNumber = AUTO_DRIVE;
-
- for (i = 2; i < 24; i++)
- {
- if ((*DriveMap & (1 << i)) == 0)
- {
- DriveNumber = i;
- break;
- }
- }
-
- if (DriveNumber == AUTO_DRIVE)
- {
- DbgPrint("No drive letter available!\n");
- return;
- }
- }
+ WCHAR DriveNameBuffer[8];
+ UNICODE_STRING DriveName;
+ ULONG i;
- DPRINT("DriveNumber %d\n", DriveNumber);
+ DPRINT("HalpAssignDrive()\n");
- /* set bit in drive map */
- *DriveMap = *DriveMap | (1 << DriveNumber);
+ if ((DriveNumber != AUTO_DRIVE) && (DriveNumber < 24))
+ {
+ /* force assignment */
+ if ((*DriveMap & (1 << DriveNumber)) != 0)
+ {
+ DbgPrint("Drive letter already used!\n");
+ return;
+ }
+ }
+ else
+ {
+ /* automatic assignment */
+ DriveNumber = AUTO_DRIVE;
- /* build drive name */
- swprintf (DriveNameBuffer,
- L"\\??\\%C:",
- 'A' + DriveNumber);
- RtlInitUnicodeString (&DriveName,
- DriveNameBuffer);
+ for (i = 2; i < 24; i++)
+ {
+ if ((*DriveMap & (1 << i)) == 0)
+ {
+ DriveNumber = i;
+ break;
+ }
+ }
+
+ if (DriveNumber == AUTO_DRIVE)
+ {
+ DbgPrint("No drive letter available!\n");
+ return;
+ }
+ }
+
+ DPRINT("DriveNumber %d\n", DriveNumber);
+
+ /* set bit in drive map */
+ *DriveMap = *DriveMap | (1 << DriveNumber);
- DPRINT(" %wZ ==> %wZ\n",
- &DriveName,
- PartitionName);
+ /* build drive name */
+ swprintf(DriveNameBuffer,
+ L"\\??\\%C:",
+ 'A' + DriveNumber);
+ RtlInitUnicodeString(&DriveName,
+ DriveNameBuffer);
- /* create symbolic link */
- IoCreateSymbolicLink (&DriveName,
- PartitionName);
+ DPRINT(" %wZ ==> %wZ\n",
+ &DriveName,
+ PartitionName);
+
+ /* create symbolic link */
+ IoCreateSymbolicLink(&DriveName,
+ PartitionName);
}
IsRecognizedPartition (PartitionTable->Partition[i].PartitionType);
LayoutBuffer->PartitionEntry[Count].RewritePartition = FALSE;
- DPRINT1(" %ld: nr: %d boot: %1x type: %x start: 0x%I64x count: 0x%I64x\n",
+ DPRINT(" %ld: nr: %d boot: %1x type: %x start: 0x%I64x count: 0x%I64x\n",
Count,
LayoutBuffer->PartitionEntry[Count].PartitionNumber,
LayoutBuffer->PartitionEntry[Count].BootIndicator,
return STATUS_SUCCESS;
}
+
+NTSTATUS FASTCALL
+xHalIoSetPartitionInformation(IN PDEVICE_OBJECT DeviceObject,
+ IN ULONG SectorSize,
+ IN ULONG PartitionNumber,
+ IN ULONG PartitionType)
+{
+ return STATUS_NOT_IMPLEMENTED;
+}
+
+
+NTSTATUS FASTCALL
+xHalIoWritePartitionTable(IN PDEVICE_OBJECT DeviceObject,
+ IN ULONG SectorSize,
+ IN ULONG SectorsPerTrack,
+ IN ULONG NumberOfHeads,
+ IN PDRIVE_LAYOUT_INFORMATION PartitionBuffer)
+{
+ return STATUS_NOT_IMPLEMENTED;
+}
+
/* EOF */
projects / reactos.git / commitdiff