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Implemented xHalIoSetPartitionInformation().
Fixed typos in debug messages. Cleaned up the mess. svn path=/trunk/; revision=5613
This commit is contained in:
Eric Kohl
parent
e283c5b7d3
commit
63f8c28d8b
1 changed files with 281 additions and 159 deletions
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@ -1,4 +1,4 @@
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/* $Id: xhaldrv.c,v 1.36 2003/08/15 19:37:32 ekohl Exp $
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/* $Id: xhaldrv.c,v 1.37 2003/08/17 10:36:45 ekohl Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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@ -135,7 +135,7 @@ xHalQueryDriveLayout(IN PUNICODE_STRING DeviceName,
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DPRINT("DiskGeometry.BytesPerSector: %d\n",
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DiskGeometry.BytesPerSector);
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/* read the partition table */
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/* Read the partition table */
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Status = IoReadPartitionTable(DeviceObject,
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DiskGeometry.BytesPerSector,
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FALSE,
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@ -172,87 +172,20 @@ xHalQueryDriveLayout(IN PUNICODE_STRING DeviceName,
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static NTSTATUS
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xHalpReadSector(IN PDEVICE_OBJECT DeviceObject,
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IN ULONG SectorSize,
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IN PLARGE_INTEGER SectorOffset,
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OUT PVOID *Buffer)
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{
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KEVENT Event;
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IO_STATUS_BLOCK StatusBlock;
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PUCHAR Sector;
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PIRP Irp;
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NTSTATUS Status;
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DPRINT("xHalpReadSector()\n");
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assert(DeviceObject);
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assert(Buffer);
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*Buffer = NULL;
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if (SectorSize < 512)
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SectorSize = 512;
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if (SectorSize > 4096)
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SectorSize = 4096;
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Sector = (PUCHAR)ExAllocatePool(PagedPool,
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SectorSize);
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if (Sector == NULL)
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return STATUS_NO_MEMORY;
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KeInitializeEvent(&Event,
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NotificationEvent,
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FALSE);
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/* Read the sector */
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Irp = IoBuildSynchronousFsdRequest(IRP_MJ_READ,
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DeviceObject,
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Sector,
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SectorSize,
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SectorOffset,
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&Event,
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&StatusBlock);
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Status = IoCallDriver(DeviceObject,
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Irp);
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if (Status == STATUS_PENDING)
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{
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KeWaitForSingleObject(&Event,
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Executive,
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KernelMode,
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FALSE,
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NULL);
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Status = StatusBlock.Status;
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}
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if (!NT_SUCCESS(Status))
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{
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DPRINT("Reading MBR failed (Status 0x%08lx)\n",
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Status);
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ExFreePool(Sector);
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return Status;
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}
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*Buffer = (PVOID)Sector;
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return Status;
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}
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static NTSTATUS
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xHalpReadSector2 (IN PDEVICE_OBJECT DeviceObject,
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IN ULONG SectorSize,
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IN PLARGE_INTEGER SectorOffset,
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IN PVOID Sector)
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xHalpReadSector (IN PDEVICE_OBJECT DeviceObject,
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IN ULONG SectorSize,
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IN PLARGE_INTEGER SectorOffset,
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IN PVOID Sector)
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{
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IO_STATUS_BLOCK StatusBlock;
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KEVENT Event;
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PIRP Irp;
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NTSTATUS Status;
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DPRINT("xHalpReadSector2() called\n");
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DPRINT("xHalpReadSector() called\n");
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assert(DeviceObject);
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assert(Buffer);
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assert(Sector);
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KeInitializeEvent(&Event,
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NotificationEvent,
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@ -291,23 +224,18 @@ xHalpReadSector2 (IN PDEVICE_OBJECT DeviceObject,
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static NTSTATUS
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xHalpWriteSector(IN PDEVICE_OBJECT DeviceObject,
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IN ULONG SectorSize,
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IN PLARGE_INTEGER SectorOffset,
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OUT PVOID Sector)
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xHalpWriteSector (IN PDEVICE_OBJECT DeviceObject,
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IN ULONG SectorSize,
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IN PLARGE_INTEGER SectorOffset,
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IN PVOID Sector)
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{
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KEVENT Event;
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IO_STATUS_BLOCK StatusBlock;
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KEVENT Event;
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PIRP Irp;
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NTSTATUS Status;
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DPRINT("xHalpWriteSector() called\n");
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if (SectorSize < 512)
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SectorSize = 512;
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if (SectorSize > 4096)
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SectorSize = 4096;
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KeInitializeEvent(&Event,
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NotificationEvent,
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FALSE);
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@ -337,7 +265,6 @@ xHalpWriteSector(IN PDEVICE_OBJECT DeviceObject,
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{
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DPRINT("Writing sector failed (Status 0x%08lx)\n",
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Status);
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return Status;
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}
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return Status;
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@ -352,21 +279,34 @@ xHalExamineMBR(IN PDEVICE_OBJECT DeviceObject,
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{
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LARGE_INTEGER SectorOffset;
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PPARTITION_SECTOR Sector;
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PULONG Shift;
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NTSTATUS Status;
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DPRINT("xHalExamineMBR()\n");
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*Buffer = NULL;
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SectorOffset.QuadPart = 0ULL;
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Status = xHalpReadSector(DeviceObject,
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SectorSize,
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&SectorOffset,
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(PVOID *)&Sector);
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if (SectorSize < 512)
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SectorSize = 512;
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if (SectorSize > 4096)
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SectorSize = 4096;
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Sector = (PPARTITION_SECTOR) ExAllocatePool (PagedPool,
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SectorSize);
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if (Sector == NULL)
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{
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DPRINT ("Partition sector allocation failed\n");
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return;
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}
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SectorOffset.QuadPart = 0LL;
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Status = xHalpReadSector (DeviceObject,
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SectorSize,
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&SectorOffset,
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(PVOID)Sector);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("xHalpReadSector() failed (Status %lx)\n", Status);
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ExFreePool(Sector);
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return;
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}
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@ -388,8 +328,7 @@ xHalExamineMBR(IN PDEVICE_OBJECT DeviceObject,
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{
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/* Found 'Ontrack Disk Manager'. Shift all sectors by 63 */
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DPRINT("Found 'Ontrack Disk Manager'!\n");
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Shift = (PULONG)Sector;
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*Shift = 63;
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*((PULONG)Sector) = 63;
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}
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*Buffer = (PVOID)Sector;
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@ -732,7 +671,7 @@ xHalIoAssignDriveLetters(IN PLOADER_PARAMETER_BLOCK LoaderBlock,
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DOSDEVICE_DRIVE_CDROM);
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}
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/* Anything else ?? */
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/* Anything else to do? */
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ExFreePool(Buffer2);
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ExFreePool(Buffer1);
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@ -745,13 +684,10 @@ xHalIoReadPartitionTable(PDEVICE_OBJECT DeviceObject,
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BOOLEAN ReturnRecognizedPartitions,
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PDRIVE_LAYOUT_INFORMATION *PartitionBuffer)
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{
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KEVENT Event;
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IO_STATUS_BLOCK StatusBlock;
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LARGE_INTEGER RealPartitionOffset;
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ULONGLONG PartitionOffset;
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ULONGLONG nextPartitionOffset;
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ULONGLONG containerOffset;
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PIRP Irp;
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NTSTATUS Status;
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PPARTITION_SECTOR PartitionSector;
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PDRIVE_LAYOUT_INFORMATION LayoutBuffer;
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@ -770,6 +706,12 @@ xHalIoReadPartitionTable(PDEVICE_OBJECT DeviceObject,
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*PartitionBuffer = NULL;
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/* Check sector size */
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if (SectorSize < 512)
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SectorSize = 512;
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if (SectorSize > 4096)
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SectorSize = 4096;
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/* Check for 'Ontrack Disk Manager' */
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xHalExamineMBR(DeviceObject,
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SectorSize,
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@ -817,59 +759,48 @@ xHalIoReadPartitionTable(PDEVICE_OBJECT DeviceObject,
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do
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{
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DPRINT("PartitionOffset: %I64u\n", PartitionOffset.QuadPart / SectorSize);
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DPRINT("PartitionOffset: %I64u\n", PartitionOffset / SectorSize);
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/* Handle disk managers */
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if (DiskManager == OntrackDiskManager)
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{
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/* Shift offset by 63 sectors */
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RealPartitionOffset.QuadPart = PartitionOffset + (ULONGLONG)(63 * SectorSize);
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}
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else if (DiskManager == EZ_Drive && PartitionOffset == 0ULL)
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{
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/* Use sector 1 instead of sector 0 */
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RealPartitionOffset.QuadPart = (ULONGLONG)SectorSize;
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}
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else
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{
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RealPartitionOffset.QuadPart = PartitionOffset;
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}
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DPRINT("RealPartitionOffset: %I64u\n", RealPartitionOffset.QuadPart / SectorSize);
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KeInitializeEvent(&Event,
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NotificationEvent,
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FALSE);
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Irp = IoBuildSynchronousFsdRequest(IRP_MJ_READ,
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DeviceObject,
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PartitionSector,
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SectorSize,
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(PLARGE_INTEGER)&RealPartitionOffset,
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&Event,
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&StatusBlock);
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Status = IoCallDriver(DeviceObject,
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Irp);
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if (Status == STATUS_PENDING)
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{
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KeWaitForSingleObject(&Event,
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Executive,
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KernelMode,
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FALSE,
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NULL);
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Status = StatusBlock.Status;
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}
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DPRINT ("RealPartitionOffset: %I64u\n",
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RealPartitionOffset.QuadPart / SectorSize);
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Status = xHalpReadSector (DeviceObject,
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SectorSize,
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&RealPartitionOffset,
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PartitionSector);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("Failed to read partition table sector (Status = 0x%08lx)\n",
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Status);
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ExFreePool(PartitionSector);
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ExFreePool(LayoutBuffer);
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return(Status);
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DPRINT ("Failed to read partition table sector (Status = 0x%08lx)\n",
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Status);
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ExFreePool (PartitionSector);
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ExFreePool (LayoutBuffer);
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return Status;
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}
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/* check the boot sector id */
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/* Check the boot sector id */
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DPRINT("Magic %x\n", PartitionSector->Magic);
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if (PartitionSector->Magic != PARTITION_MAGIC)
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{
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DbgPrint("Invalid partition sector magic\n");
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ExFreePool(PartitionSector);
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DPRINT ("Invalid partition sector magic\n");
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ExFreePool (PartitionSector);
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*PartitionBuffer = LayoutBuffer;
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return(STATUS_SUCCESS);
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return STATUS_SUCCESS;
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}
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#ifndef NDEBUG
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@ -892,7 +823,6 @@ xHalIoReadPartitionTable(PDEVICE_OBJECT DeviceObject,
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}
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#endif
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// if (PartitionOffset.QuadPart == 0ULL)
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if (PartitionOffset == 0ULL)
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{
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LayoutBuffer->Signature = PartitionSector->Signature;
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@ -992,7 +922,176 @@ xHalIoSetPartitionInformation(IN PDEVICE_OBJECT DeviceObject,
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IN ULONG PartitionNumber,
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IN ULONG PartitionType)
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{
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return(STATUS_NOT_IMPLEMENTED);
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PPARTITION_SECTOR PartitionSector;
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LARGE_INTEGER RealPartitionOffset;
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ULONGLONG PartitionOffset;
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ULONGLONG nextPartitionOffset;
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ULONGLONG containerOffset;
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NTSTATUS Status;
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ULONG i;
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ULONG Number = 1;
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BOOLEAN ExtendedFound = FALSE;
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PVOID MbrBuffer;
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DISK_MANAGER DiskManager = NoDiskManager;
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DPRINT ("xHalIoSetPartitionInformation(%p %lu %lu %lu)\n",
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DeviceObject,
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SectorSize,
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PartitionNumber,
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PartitionType);
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/* Check sector size */
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if (SectorSize < 512)
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SectorSize = 512;
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if (SectorSize > 4096)
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SectorSize = 4096;
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/* Check for 'Ontrack Disk Manager' */
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xHalExamineMBR(DeviceObject,
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SectorSize,
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0x54,
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&MbrBuffer);
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if (MbrBuffer != NULL)
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{
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DPRINT("Found 'Ontrack Disk Manager'\n");
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DiskManager = OntrackDiskManager;
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ExFreePool(MbrBuffer);
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}
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/* Check for 'EZ-Drive' */
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xHalExamineMBR(DeviceObject,
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SectorSize,
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0x55,
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&MbrBuffer);
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if (MbrBuffer != NULL)
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{
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DPRINT("Found 'EZ-Drive'\n");
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DiskManager = EZ_Drive;
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ExFreePool (MbrBuffer);
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}
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/* Allocate partition sector */
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PartitionSector = (PPARTITION_SECTOR) ExAllocatePool (PagedPool,
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SectorSize);
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if (PartitionSector == NULL)
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{
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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PartitionOffset = 0ULL;
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containerOffset = 0ULL;
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do
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{
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DPRINT ("PartitionOffset: %I64u\n", PartitionOffset / SectorSize);
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/* Handle disk managers */
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if (DiskManager == OntrackDiskManager)
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{
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/* Shift offset by 63 sectors */
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RealPartitionOffset.QuadPart = PartitionOffset + (ULONGLONG)(63 * SectorSize);
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}
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else if (DiskManager == EZ_Drive && PartitionOffset == 0ULL)
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{
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/* Use sector 1 instead of sector 0 */
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RealPartitionOffset.QuadPart = (ULONGLONG)SectorSize;
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}
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else
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{
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RealPartitionOffset.QuadPart = PartitionOffset;
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}
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DPRINT ("RealPartitionOffset: %I64u\n",
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RealPartitionOffset.QuadPart / SectorSize);
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Status = xHalpReadSector (DeviceObject,
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SectorSize,
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&RealPartitionOffset,
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PartitionSector);
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if (!NT_SUCCESS (Status))
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{
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DPRINT ("Failed to read partition table sector (Status = 0x%08lx)\n",
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Status);
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ExFreePool (PartitionSector);
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return Status;
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}
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/* Check the boot sector id */
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DPRINT("Magic %x\n", PartitionSector->Magic);
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if (PartitionSector->Magic != PARTITION_MAGIC)
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{
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DPRINT ("Invalid partition sector magic\n");
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ExFreePool (PartitionSector);
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return STATUS_UNSUCCESSFUL;
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}
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#ifndef NDEBUG
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for (i = 0; i < PARTITION_TBL_SIZE; i++)
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{
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DPRINT1(" %d: flags:%2x type:%x start:%d:%d:%d end:%d:%d:%d stblk:%d count:%d\n",
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i,
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PartitionSector->Partition[i].BootFlags,
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PartitionSector->Partition[i].PartitionType,
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PartitionSector->Partition[i].StartingHead,
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PartitionSector->Partition[i].StartingSector & 0x3f,
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(((PartitionSector->Partition[i].StartingSector) & 0xc0) << 2) +
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PartitionSector->Partition[i].StartingCylinder,
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PartitionSector->Partition[i].EndingHead,
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PartitionSector->Partition[i].EndingSector & 0x3f,
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(((PartitionSector->Partition[i].EndingSector) & 0xc0) << 2) +
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PartitionSector->Partition[i].EndingCylinder,
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PartitionSector->Partition[i].StartingBlock,
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PartitionSector->Partition[i].SectorCount);
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}
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#endif
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ExtendedFound = FALSE;
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for (i = 0; i < PARTITION_TBL_SIZE; i++)
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{
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if (IsContainerPartition (PartitionSector->Partition[i].PartitionType))
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{
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ExtendedFound = TRUE;
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if (containerOffset == 0ULL)
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{
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containerOffset = PartitionOffset;
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}
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nextPartitionOffset = containerOffset +
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(ULONGLONG) PartitionSector->Partition[i].StartingBlock *
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(ULONGLONG) SectorSize;
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}
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/* Handle recognized partition */
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if (IsRecognizedPartition (PartitionSector->Partition[i].PartitionType))
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{
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if (Number == PartitionNumber)
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{
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/* Set partition type */
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PartitionSector->Partition[i].PartitionType = PartitionType;
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/* Write partition sector */
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Status = xHalpWriteSector (DeviceObject,
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SectorSize,
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&RealPartitionOffset,
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PartitionSector);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("xHalpWriteSector() failed (Status %lx)\n", Status);
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}
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ExFreePool (PartitionSector);
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return Status;
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}
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Number++;
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}
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}
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PartitionOffset = nextPartitionOffset;
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}
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while (ExtendedFound == TRUE);
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ExFreePool(PartitionSector);
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return STATUS_UNSUCCESSFUL;
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}
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@ -1009,6 +1108,7 @@ xHalIoWritePartitionTable(IN PDEVICE_OBJECT DeviceObject,
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ULONGLONG NextPartitionOffset;
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ULONGLONG ContainerOffset;
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BOOLEAN ContainerEntry;
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DISK_MANAGER DiskManager;
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ULONG i;
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ULONG j;
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ULONG StartBlock;
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|
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@ -1023,37 +1123,47 @@ xHalIoWritePartitionTable(IN PDEVICE_OBJECT DeviceObject,
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ULONG x;
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NTSTATUS Status;
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|
||||
DPRINT1 ("xHalIoWritePartitionTable(%p %lu %lu %lu %p)\n",
|
||||
DeviceObject,
|
||||
SectorSize,
|
||||
SectorsPerTrack,
|
||||
NumberOfHeads,
|
||||
PartitionBuffer);
|
||||
DPRINT ("xHalIoWritePartitionTable(%p %lu %lu %lu %p)\n",
|
||||
DeviceObject,
|
||||
SectorSize,
|
||||
SectorsPerTrack,
|
||||
NumberOfHeads,
|
||||
PartitionBuffer);
|
||||
|
||||
assert(DeviceObject);
|
||||
assert(PartitionBuffer);
|
||||
|
||||
DiskManager = NoDiskManager;
|
||||
|
||||
/* Check sector size */
|
||||
if (SectorSize < 512)
|
||||
SectorSize = 512;
|
||||
if (SectorSize > 4096)
|
||||
SectorSize = 4096;
|
||||
|
||||
/* Check for 'Ontrack Disk Manager' */
|
||||
xHalExamineMBR(DeviceObject,
|
||||
SectorSize,
|
||||
0x54,
|
||||
(PVOID *) &PartitionSector);
|
||||
xHalExamineMBR (DeviceObject,
|
||||
SectorSize,
|
||||
0x54,
|
||||
(PVOID *) &PartitionSector);
|
||||
if (PartitionSector != NULL)
|
||||
{
|
||||
DPRINT1("Ontrack Disk Manager is not supported\n");
|
||||
ExFreePool(PartitionSector);
|
||||
DPRINT ("Found 'Ontrack Disk Manager'\n");
|
||||
DiskManager = OntrackDiskManager;
|
||||
ExFreePool (PartitionSector);
|
||||
return STATUS_UNSUCCESSFUL;
|
||||
}
|
||||
|
||||
/* Check for 'EZ-Drive' */
|
||||
xHalExamineMBR(DeviceObject,
|
||||
SectorSize,
|
||||
0x55,
|
||||
(PVOID *) &PartitionSector);
|
||||
xHalExamineMBR (DeviceObject,
|
||||
SectorSize,
|
||||
0x55,
|
||||
(PVOID *) &PartitionSector);
|
||||
if (PartitionSector != NULL)
|
||||
{
|
||||
DPRINT1("EZ-Drive is not supported\n");
|
||||
ExFreePool(PartitionSector);
|
||||
DPRINT ("Found 'EZ-Drive'\n");
|
||||
DiskManager = EZ_Drive;
|
||||
ExFreePool (PartitionSector);
|
||||
return STATUS_UNSUCCESSFUL;
|
||||
}
|
||||
|
||||
|
|
@ -1073,9 +1183,21 @@ xHalIoWritePartitionTable(IN PDEVICE_OBJECT DeviceObject,
|
|||
DPRINT1 ("PartitionOffset: %I64u\n", PartitionOffset);
|
||||
DPRINT1 ("ContainerOffset: %I64u\n", ContainerOffset);
|
||||
|
||||
/* FIXME: Handle partition managers */
|
||||
RealPartitionOffset.QuadPart = PartitionOffset;
|
||||
|
||||
/* Handle disk managers */
|
||||
if (DiskManager == OntrackDiskManager)
|
||||
{
|
||||
/* Shift offset by 63 sectors */
|
||||
RealPartitionOffset.QuadPart = PartitionOffset + (ULONGLONG)(63 * SectorSize);
|
||||
}
|
||||
else if (DiskManager == EZ_Drive && PartitionOffset == 0ULL)
|
||||
{
|
||||
/* Use sector 1 instead of sector 0 */
|
||||
RealPartitionOffset.QuadPart = (ULONGLONG)SectorSize;
|
||||
}
|
||||
else
|
||||
{
|
||||
RealPartitionOffset.QuadPart = PartitionOffset;
|
||||
}
|
||||
|
||||
/* Write modified partition tables */
|
||||
if (PartitionBuffer->PartitionEntry[i].RewritePartition == TRUE ||
|
||||
|
|
@ -1084,10 +1206,10 @@ xHalIoWritePartitionTable(IN PDEVICE_OBJECT DeviceObject,
|
|||
PartitionBuffer->PartitionEntry[i + 3].RewritePartition == TRUE)
|
||||
{
|
||||
/* Read partition sector */
|
||||
Status = xHalpReadSector2 (DeviceObject,
|
||||
SectorSize,
|
||||
&RealPartitionOffset,
|
||||
PartitionSector);
|
||||
Status = xHalpReadSector (DeviceObject,
|
||||
SectorSize,
|
||||
&RealPartitionOffset,
|
||||
PartitionSector);
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
DPRINT1 ("xHalpReadSector2() failed (Status %lx)\n", Status);
|
||||
|
|
|
|||
Loading…
Reference in a new issue