mirror of
https://github.com/reactos/reactos.git
synced 2024-09-10 12:54:51 +00:00
142 lines
5.2 KiB
C
142 lines
5.2 KiB
C
/*
|
|
* ReactOS kernel
|
|
* Copyright (C) 2002, 2003 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
/*
|
|
* COPYRIGHT: See COPYING in the top level directory
|
|
* PROJECT: ReactOS kernel
|
|
* FILE: drivers/filesystems/cdfs/cdfs.c
|
|
* PURPOSE: CDROM (ISO 9660) filesystem driver
|
|
* PROGRAMMER: Art Yerkes
|
|
* Eric Kohl
|
|
*/
|
|
|
|
/* INCLUDES *****************************************************************/
|
|
|
|
#include "cdfs.h"
|
|
|
|
#define NDEBUG
|
|
#include <debug.h>
|
|
|
|
#if defined(ALLOC_PRAGMA)
|
|
#pragma alloc_text(INIT, DriverEntry)
|
|
#endif
|
|
|
|
/* GLOBALS ******************************************************************/
|
|
|
|
PCDFS_GLOBAL_DATA CdfsGlobalData;
|
|
|
|
|
|
/* FUNCTIONS ****************************************************************/
|
|
|
|
INIT_SECTION
|
|
NTSTATUS NTAPI
|
|
DriverEntry(PDRIVER_OBJECT DriverObject,
|
|
PUNICODE_STRING RegistryPath)
|
|
/*
|
|
* FUNCTION: Called by the system to initialize the driver
|
|
* ARGUMENTS:
|
|
* DriverObject = object describing this driver
|
|
* RegistryPath = path to our configuration entries
|
|
* RETURNS: Success or failure
|
|
*/
|
|
{
|
|
NTSTATUS Status;
|
|
PDEVICE_OBJECT CdFsDeviceObject;
|
|
PDEVICE_OBJECT HddFsDeviceObject;
|
|
UNICODE_STRING CdFsDeviceName = RTL_CONSTANT_STRING(L"\\Cdfs");
|
|
UNICODE_STRING HddFsDeviceName = RTL_CONSTANT_STRING(L"\\CdfsHdd");
|
|
|
|
UNREFERENCED_PARAMETER(RegistryPath);
|
|
|
|
DPRINT("CDFS 0.0.3\n");
|
|
|
|
Status = IoCreateDevice(DriverObject,
|
|
sizeof(CDFS_GLOBAL_DATA),
|
|
&CdFsDeviceName,
|
|
FILE_DEVICE_CD_ROM_FILE_SYSTEM,
|
|
0,
|
|
FALSE,
|
|
&CdFsDeviceObject);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
return(Status);
|
|
}
|
|
|
|
Status = IoCreateDevice(DriverObject,
|
|
0,
|
|
&HddFsDeviceName,
|
|
FILE_DEVICE_DISK_FILE_SYSTEM,
|
|
0,
|
|
FALSE,
|
|
&HddFsDeviceObject);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
return(Status);
|
|
}
|
|
|
|
/* Initialize global data */
|
|
CdfsGlobalData = CdFsDeviceObject->DeviceExtension;
|
|
RtlZeroMemory(CdfsGlobalData,
|
|
sizeof(CDFS_GLOBAL_DATA));
|
|
CdfsGlobalData->DriverObject = DriverObject;
|
|
CdfsGlobalData->CdFsDeviceObject = CdFsDeviceObject;
|
|
CdfsGlobalData->HddFsDeviceObject = HddFsDeviceObject;
|
|
HddFsDeviceObject->DeviceExtension = CdfsGlobalData;
|
|
|
|
/* Initialize driver data */
|
|
DriverObject->MajorFunction[IRP_MJ_CLOSE] = CdfsFsdDispatch;
|
|
DriverObject->MajorFunction[IRP_MJ_CLEANUP] = CdfsFsdDispatch;
|
|
DriverObject->MajorFunction[IRP_MJ_CREATE] = CdfsFsdDispatch;
|
|
DriverObject->MajorFunction[IRP_MJ_READ] = CdfsFsdDispatch;
|
|
DriverObject->MajorFunction[IRP_MJ_WRITE] = CdfsFsdDispatch;
|
|
DriverObject->MajorFunction[IRP_MJ_FILE_SYSTEM_CONTROL] = CdfsFsdDispatch;
|
|
DriverObject->MajorFunction[IRP_MJ_DIRECTORY_CONTROL] = CdfsFsdDispatch;
|
|
DriverObject->MajorFunction[IRP_MJ_QUERY_INFORMATION] = CdfsFsdDispatch;
|
|
DriverObject->MajorFunction[IRP_MJ_SET_INFORMATION] = CdfsFsdDispatch;
|
|
DriverObject->MajorFunction[IRP_MJ_QUERY_VOLUME_INFORMATION] = CdfsFsdDispatch;
|
|
DriverObject->MajorFunction[IRP_MJ_SET_VOLUME_INFORMATION] = CdfsFsdDispatch;
|
|
DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = CdfsFsdDispatch;
|
|
DriverObject->MajorFunction[IRP_MJ_LOCK_CONTROL] = CdfsFsdDispatch;
|
|
|
|
CdfsGlobalData->FastIoDispatch.SizeOfFastIoDispatch = sizeof(FAST_IO_DISPATCH);
|
|
CdfsGlobalData->FastIoDispatch.FastIoCheckIfPossible = CdfsFastIoCheckIfPossible;
|
|
CdfsGlobalData->FastIoDispatch.FastIoRead = CdfsFastIoRead;
|
|
CdfsGlobalData->FastIoDispatch.FastIoWrite = CdfsFastIoWrite;
|
|
DriverObject->FastIoDispatch = &CdfsGlobalData->FastIoDispatch;
|
|
|
|
/* Initialize lookaside list for IRP contexts */
|
|
ExInitializeNPagedLookasideList(&CdfsGlobalData->IrpContextLookasideList,
|
|
NULL, NULL, 0, sizeof(CDFS_IRP_CONTEXT), 'PRIC', 0);
|
|
|
|
DriverObject->DriverUnload = NULL;
|
|
|
|
/* Cache manager */
|
|
CdfsGlobalData->CacheMgrCallbacks.AcquireForLazyWrite = CdfsAcquireForLazyWrite;
|
|
CdfsGlobalData->CacheMgrCallbacks.ReleaseFromLazyWrite = CdfsReleaseFromLazyWrite;
|
|
CdfsGlobalData->CacheMgrCallbacks.AcquireForReadAhead = CdfsAcquireForLazyWrite;
|
|
CdfsGlobalData->CacheMgrCallbacks.ReleaseFromReadAhead = CdfsReleaseFromLazyWrite;
|
|
|
|
CdFsDeviceObject->Flags |= DO_DIRECT_IO | DO_LOW_PRIORITY_FILESYSTEM;
|
|
HddFsDeviceObject->Flags |= DO_DIRECT_IO | DO_LOW_PRIORITY_FILESYSTEM;
|
|
|
|
IoRegisterFileSystem(CdFsDeviceObject);
|
|
IoRegisterFileSystem(HddFsDeviceObject);
|
|
|
|
return(STATUS_SUCCESS);
|
|
}
|