#include <ntddscsi.h>
#include <mountdev.h>
#include <mountmgr.h>
+#include <ntiologc.h>
#include <include/class2.h>
#include <stdio.h>
#define NDEBUG
#include <debug.h>
-#define IO_WRITE_CACHE_ENABLED ((NTSTATUS)0x80040020L)
-#define IO_WRITE_CACHE_DISABLED ((NTSTATUS)0x80040022L)
#ifdef POOL_TAGGING
#ifdef ExAllocatePool
InitializationData.ClassShutdownFlush = ScsiDiskShutdownFlush;
InitializationData.ClassCreateClose = NULL;
- //
- // HACK! Please check below to the implementation of the function
- //
- DriverObject->MajorFunction[IRP_MJ_FILE_SYSTEM_CONTROL] = ScsiDiskFileSystemControl;
-
//
// Call the class init routine
//
ULONG transferByteCount = currentIrpStack->Parameters.Read.Length;
LARGE_INTEGER startingOffset;
+ //
+ // HACK: How can we end here with null sector size?!
+ //
+
+ if (deviceExtension->DiskGeometry->Geometry.BytesPerSector == 0) {
+ DPRINT1("Hack! Received invalid sector size\n");
+ deviceExtension->DiskGeometry->Geometry.BytesPerSector = 512;
+ }
+
//
// Verify parameters of this request.
// Check that ending sector is within partition and
Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
}
- DPRINT1("STATUS_INVALID_PARAMETER\n");
+ if (startingOffset.QuadPart > deviceExtension->PartitionLength.QuadPart) {
+ DPRINT1("Reading beyond partition end! startingOffset: %I64d, PartitionLength: %I64d\n", startingOffset.QuadPart, deviceExtension->PartitionLength.QuadPart);
+ }
+
+ if (transferByteCount & (deviceExtension->DiskGeometry->Geometry.BytesPerSector - 1)) {
+ DPRINT1("Not reading sectors! TransferByteCount: %lu, BytesPerSector: %lu\n", transferByteCount, deviceExtension->DiskGeometry->Geometry.BytesPerSector);
+ }
+
+ if (Irp->IoStatus.Status == STATUS_DEVICE_NOT_READY) {
+ DPRINT1("Failing due to device not ready!\n");
+ }
+
return STATUS_INVALID_PARAMETER;
}
PPARTITION_INFORMATION outputBuffer;
+ if (diskData->PartitionNumber == 0) {
+ DPRINT1("HACK: Handling partition 0 request!\n");
+ //ASSERT(FALSE);
+ }
+
//
// Update the geometry in case it has changed.
//
//
diskData->DriveNotReady = FALSE;
-// HACK: ReactOS partition numbers must be wrong (>0 part)
- if (diskData->PartitionType == 0 && (diskData->PartitionNumber > 0)) {
-
- status = STATUS_INVALID_DEVICE_REQUEST;
- break;
- }
outputBuffer =
(PPARTITION_INFORMATION)Irp->AssociatedIrp.SystemBuffer;
} // end UpdateDeviceObjects()
-//
-// This function is supposed only to support NTFS tools
-// from M. Russinovich. This is kind of huge hack and is
-// totally undocumented :-).
-//
-NTSTATUS
-NtfsRussinovichism(PDEVICE_OBJECT DeviceObject,
- PIRP Irp)
-{
-#define FSCTL_GET_VOLUME_INFORMATION 0x90064
- typedef struct {
- LARGE_INTEGER SerialNumber;
- LARGE_INTEGER NumberOfSectors;
- LARGE_INTEGER TotalClusters;
- LARGE_INTEGER FreeClusters;
- LARGE_INTEGER Reserved;
- ULONG BytesPerSector;
- ULONG BytesPerCluster;
- ULONG BytesPerMFTRecord;
- ULONG ClustersPerMFTRecord;
- LARGE_INTEGER MFTLength;
- LARGE_INTEGER MFTStart;
- LARGE_INTEGER MFTMirrorStart;
- LARGE_INTEGER MFTZoneStart;
- LARGE_INTEGER MFTZoneEnd;
- } NTFS_VOLUME_DATA_BUFFER, *PNTFS_VOLUME_DATA_BUFFER;
-
- PIO_STACK_LOCATION Stack;
- NTSTATUS Status;
- PDEVICE_EXTENSION deviceExtension = DeviceObject->DeviceExtension;
- PDISK_DATA diskData;
-
- DPRINT1("NtfsRussinovichism(%p, %p)\n", DeviceObject, Irp);
-
- Stack = IoGetCurrentIrpStackLocation(Irp);
-
- switch (Stack->Parameters.FileSystemControl.FsControlCode)
- {
- case FSCTL_GET_VOLUME_INFORMATION:
- //
- // Check we received something we understand
- //
- if (Stack->Parameters.FileSystemControl.OutputBufferLength < sizeof(NTFS_VOLUME_DATA_BUFFER) ||
- Irp->UserBuffer == NULL)
- {
- DPRINT1("Invalid output! %d %p\n", Stack->Parameters.FileSystemControl.OutputBufferLength, Irp->UserBuffer);
- Status = STATUS_INVALID_PARAMETER;
- break;
- }
-
- //
- // Now, quickly check we are supposed to have a NTFS volume
- //
- diskData = (PDISK_DATA)(deviceExtension + 1);
- if (diskData->PartitionType != PARTITION_IFS)
- {
- DPRINT1("Invalid partition type! %x\n", diskData->PartitionType);
- Status = STATUS_INVALID_PARAMETER;
- break;
- }
-
- UNIMPLEMENTED;
- Status = STATUS_NOT_IMPLEMENTED;
- break;
-
- default:
- Status = STATUS_INVALID_DEVICE_REQUEST;
- break;
- }
-
- return Status;
-#undef FSCTL_GET_VOLUME_INFORMATION
-}
-
-//
-// Hack: this function is not supposed to be implemented
-// Even though it's required to enable some M. Russinovich
-// to directly request disks so that they can dump NTFS data
-// without going through the driver.
-// We don't expect doing more from here, hence the limited
-// implementation and support.
-//
-NTSTATUS
-NTAPI
-ScsiDiskFileSystemControl(PDEVICE_OBJECT DeviceObject,
- PIRP Irp)
-{
- PIO_STACK_LOCATION Stack;
- NTSTATUS Status;
-
- DPRINT1("ScsiDiskFileSystemControl(%p, %p)\n", DeviceObject, Irp);
-
- Stack = IoGetCurrentIrpStackLocation(Irp);
-
- switch (Stack->MinorFunction)
- {
- case IRP_MN_USER_FS_REQUEST:
- Status = NtfsRussinovichism(DeviceObject, Irp);
- break;
-
- default:
- DPRINT("MinorFunction %d\n", Stack->MinorFunction);
- Status = STATUS_INVALID_DEVICE_REQUEST;
- break;
- }
-
- Irp->IoStatus.Status = Status;
- Irp->IoStatus.Information = 0;
-
- IoCompleteRequest(Irp, IO_NO_INCREMENT);
-
- return Status;
-}
projects / reactos.git / blobdiff