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Create a branch for cmake bringup.

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svn path=/branches/cmake-bringup/; revision=48236
This commit is contained in:
Amine Khaldi 2010-07-24 18:52:44 +00:00
parent a28e798006
commit c424146e2c
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drivers/filesystems/ntfs/volinfo.c Normal file
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/*
* ReactOS kernel
* Copyright (C) 2002 ReactOS Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: drivers/filesystem/ntfs/volume.c
* PURPOSE: NTFS filesystem driver
* PROGRAMMER: Eric Kohl
*/
/* INCLUDES *****************************************************************/
#include "ntfs.h"
#define NDEBUG
#include <debug.h>
/* FUNCTIONS ****************************************************************/
static NTSTATUS
NtfsGetFsVolumeInformation(PDEVICE_OBJECT DeviceObject,
PFILE_FS_VOLUME_INFORMATION FsVolumeInfo,
PULONG BufferLength)
{
DPRINT("NtfsGetFsVolumeInformation() called\n");
DPRINT("FsVolumeInfo = %p\n", FsVolumeInfo);
DPRINT("BufferLength %lu\n", *BufferLength);
DPRINT("Vpb %p\n", DeviceObject->Vpb);
DPRINT("Required length %lu\n",
sizeof(FILE_FS_VOLUME_INFORMATION) + DeviceObject->Vpb->VolumeLabelLength);
DPRINT("LabelLength %hu\n",
DeviceObject->Vpb->VolumeLabelLength);
DPRINT("Label %*.S\n",
DeviceObject->Vpb->VolumeLabelLength / sizeof(WCHAR),
DeviceObject->Vpb->VolumeLabel);
if (*BufferLength < sizeof(FILE_FS_VOLUME_INFORMATION))
return STATUS_INFO_LENGTH_MISMATCH;
if (*BufferLength < (sizeof(FILE_FS_VOLUME_INFORMATION) + DeviceObject->Vpb->VolumeLabelLength))
return STATUS_BUFFER_OVERFLOW;
/* valid entries */
FsVolumeInfo->VolumeSerialNumber = DeviceObject->Vpb->SerialNumber;
FsVolumeInfo->VolumeLabelLength = DeviceObject->Vpb->VolumeLabelLength;
memcpy(FsVolumeInfo->VolumeLabel,
DeviceObject->Vpb->VolumeLabel,
DeviceObject->Vpb->VolumeLabelLength);
/* dummy entries */
FsVolumeInfo->VolumeCreationTime.QuadPart = 0;
FsVolumeInfo->SupportsObjects = FALSE;
*BufferLength -= (sizeof(FILE_FS_VOLUME_INFORMATION) + DeviceObject->Vpb->VolumeLabelLength);
DPRINT("BufferLength %lu\n", *BufferLength);
DPRINT("NtfsGetFsVolumeInformation() done\n");
return STATUS_SUCCESS;
}
static NTSTATUS
NtfsGetFsAttributeInformation(PDEVICE_EXTENSION DeviceExt,
PFILE_FS_ATTRIBUTE_INFORMATION FsAttributeInfo,
PULONG BufferLength)
{
DPRINT("NtfsGetFsAttributeInformation()\n");
DPRINT("FsAttributeInfo = %p\n", FsAttributeInfo);
DPRINT("BufferLength %lu\n", *BufferLength);
DPRINT("Required length %lu\n", (sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + 8));
if (*BufferLength < sizeof (FILE_FS_ATTRIBUTE_INFORMATION))
return(STATUS_INFO_LENGTH_MISMATCH);
if (*BufferLength < (sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + 8))
return(STATUS_BUFFER_OVERFLOW);
FsAttributeInfo->FileSystemAttributes =
FILE_CASE_PRESERVED_NAMES | FILE_UNICODE_ON_DISK;
FsAttributeInfo->MaximumComponentNameLength = 255;
FsAttributeInfo->FileSystemNameLength = 8;
memcpy(FsAttributeInfo->FileSystemName, L"NTFS", 8);
DPRINT("Finished NtfsGetFsAttributeInformation()\n");
*BufferLength -= (sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + 8);
DPRINT("BufferLength %lu\n", *BufferLength);
return(STATUS_SUCCESS);
}
static NTSTATUS
NtfsGetFsSizeInformation(PDEVICE_OBJECT DeviceObject,
PFILE_FS_SIZE_INFORMATION FsSizeInfo,
PULONG BufferLength)
{
PDEVICE_EXTENSION DeviceExt;
NTSTATUS Status = STATUS_SUCCESS;
DPRINT("NtfsGetFsSizeInformation()\n");
DPRINT("FsSizeInfo = %p\n", FsSizeInfo);
if (*BufferLength < sizeof(FILE_FS_SIZE_INFORMATION))
return(STATUS_BUFFER_OVERFLOW);
DeviceExt = DeviceObject->DeviceExtension;
FsSizeInfo->AvailableAllocationUnits.QuadPart = 0;
FsSizeInfo->TotalAllocationUnits.QuadPart = DeviceExt->NtfsInfo.SectorCount; /* ?? */
FsSizeInfo->SectorsPerAllocationUnit = DeviceExt->NtfsInfo.SectorsPerCluster;
FsSizeInfo->BytesPerSector = DeviceExt->NtfsInfo.BytesPerSector;
DPRINT("Finished NtfsGetFsSizeInformation()\n");
if (NT_SUCCESS(Status))
*BufferLength -= sizeof(FILE_FS_SIZE_INFORMATION);
return(Status);
}
static NTSTATUS
NtfsGetFsDeviceInformation(PFILE_FS_DEVICE_INFORMATION FsDeviceInfo,
PULONG BufferLength)
{
DPRINT("NtfsGetFsDeviceInformation()\n");
DPRINT("FsDeviceInfo = %p\n", FsDeviceInfo);
DPRINT("BufferLength %lu\n", *BufferLength);
DPRINT("Required length %lu\n", sizeof(FILE_FS_DEVICE_INFORMATION));
if (*BufferLength < sizeof(FILE_FS_DEVICE_INFORMATION))
return(STATUS_BUFFER_OVERFLOW);
FsDeviceInfo->DeviceType = FILE_DEVICE_DISK;
FsDeviceInfo->Characteristics = 0; /* FIXME: fix this !! */
DPRINT("NtfsGetFsDeviceInformation() finished.\n");
*BufferLength -= sizeof(FILE_FS_DEVICE_INFORMATION);
DPRINT("BufferLength %lu\n", *BufferLength);
return(STATUS_SUCCESS);
}
NTSTATUS
NtfsQueryVolumeInformation(PNTFS_IRP_CONTEXT IrpContext)
{
PIRP Irp;
PDEVICE_OBJECT DeviceObject;
FS_INFORMATION_CLASS FsInformationClass;
PIO_STACK_LOCATION Stack;
NTSTATUS Status = STATUS_SUCCESS;
PVOID SystemBuffer;
ULONG BufferLength;
DPRINT("NtfsQueryVolumeInformation() called\n");
ASSERT(IrpContext);
Irp = IrpContext->Irp;
DeviceObject = IrpContext->DeviceObject;
Stack = IoGetCurrentIrpStackLocation(Irp);
FsInformationClass = Stack->Parameters.QueryVolume.FsInformationClass;
BufferLength = Stack->Parameters.QueryVolume.Length;
SystemBuffer = Irp->AssociatedIrp.SystemBuffer;
RtlZeroMemory(SystemBuffer, BufferLength);
DPRINT("FsInformationClass %d\n", FsInformationClass);
DPRINT("SystemBuffer %p\n", SystemBuffer);
switch (FsInformationClass)
{
case FileFsVolumeInformation:
Status = NtfsGetFsVolumeInformation(DeviceObject,
SystemBuffer,
&BufferLength);
break;
case FileFsAttributeInformation:
Status = NtfsGetFsAttributeInformation(DeviceObject->DeviceExtension,
SystemBuffer,
&BufferLength);
break;
case FileFsSizeInformation:
Status = NtfsGetFsSizeInformation(DeviceObject,
SystemBuffer,
&BufferLength);
break;
case FileFsDeviceInformation:
Status = NtfsGetFsDeviceInformation(SystemBuffer,
&BufferLength);
break;
default:
Status = STATUS_NOT_SUPPORTED;
}
if (NT_SUCCESS(Status))
Irp->IoStatus.Information =
Stack->Parameters.QueryVolume.Length - BufferLength;
else
Irp->IoStatus.Information = 0;
return Status;
}
NTSTATUS
NtfsSetVolumeInformation(PNTFS_IRP_CONTEXT IrpContext)
{
PIRP Irp;
DPRINT("NtfsSetVolumeInformation() called\n");
ASSERT(IrpContext);
Irp = IrpContext->Irp;
Irp->IoStatus.Status = STATUS_NOT_SUPPORTED;
Irp->IoStatus.Information = 0;
return STATUS_NOT_SUPPORTED;
}
/* EOF */