/*
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/* $Id: template.c,v 1.3 2002/05/23 09:52:56 ekohl Exp $
+ *
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: services/fs/template/template.c
PDEVICE_OBJECT StorageDevice;
} DEVICE_EXTENSION, *PDEVICE_EXTENSION;
-/* GLOBALS *****************************************************************/
+/* GLOBALS ******************************************************************/
static PDRIVER_OBJECT DriverObject;
* FUNCTION: Closes a file
*/
{
- return(STATUS_SUCCESS);
+ return(STATUS_SUCCESS);
}
+
NTSTATUS
FsdOpenFile(PDEVICE_EXTENSION DeviceExt,
PFILE_OBJECT FileObject,
* FUNCTION: Opens a file
*/
{
- return(STATUS_SUCCESS);
+ return(STATUS_SUCCESS);
}
+
BOOLEAN
FsdHasFileSystem(PDEVICE_OBJECT DeviceToMount)
/*
* by this fsd
*/
{
- return(TRUE);
+ return(TRUE);
}
+
NTSTATUS
FsdMountDevice(PDEVICE_EXTENSION DeviceExt,
PDEVICE_OBJECT DeviceToMount)
* FUNCTION: Mounts the device
*/
{
- return(STATUS_SUCCESS);
+ return(STATUS_SUCCESS);
}
* FUNCTION: Reads data from a file
*/
{
- return(STATUS_SUCCESS);
+ return(STATUS_SUCCESS);
}
FsdClose(PDEVICE_OBJECT DeviceObject,
PIRP Irp)
{
- PIO_STACK_LOCATION Stack = IoGetCurrentIrpStackLocation(Irp);
- PFILE_OBJECT FileObject = Stack->FileObject;
- PDEVICE_EXTENSION DeviceExtension = DeviceObject->DeviceExtension;
- NTSTATUS Status;
-
- Status = FsdCloseFile(DeviceExtension,FileObject);
-
- Irp->IoStatus.Status = Status;
- Irp->IoStatus.Information = 0;
-
- IoCompleteRequest(Irp, IO_NO_INCREMENT);
- return(Status);
+ PIO_STACK_LOCATION Stack = IoGetCurrentIrpStackLocation(Irp);
+ PFILE_OBJECT FileObject = Stack->FileObject;
+ PDEVICE_EXTENSION DeviceExtension = DeviceObject->DeviceExtension;
+ NTSTATUS Status;
+
+ Status = FsdCloseFile(DeviceExtension,FileObject);
+
+ Irp->IoStatus.Status = Status;
+ Irp->IoStatus.Information = 0;
+
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ return(Status);
}
+
NTSTATUS STDCALL
FsdCreate(PDEVICE_OBJECT DeviceObject,
PIRP Irp)
{
- PIO_STACK_LOCATION Stack = IoGetCurrentIrpStackLocation(Irp);
- PFILE_OBJECT FileObject = Stack->FileObject;
- NTSTATUS Status;
- PDEVICE_EXTENSION DeviceExt;
-
- DeviceExt = DeviceObject->DeviceExtension;
- Status = FsdOpenFile(DeviceExt,FileObject,FileObject->FileName.Buffer);
-
- Irp->IoStatus.Status = Status;
- Irp->IoStatus.Information = 0;
-
- IoCompleteRequest(Irp, IO_NO_INCREMENT);
- return(Status);
+ PIO_STACK_LOCATION Stack = IoGetCurrentIrpStackLocation(Irp);
+ PFILE_OBJECT FileObject = Stack->FileObject;
+ NTSTATUS Status;
+ PDEVICE_EXTENSION DeviceExt;
+
+ DeviceExt = DeviceObject->DeviceExtension;
+ Status = FsdOpenFile(DeviceExt,FileObject,FileObject->FileName.Buffer);
+
+ Irp->IoStatus.Status = Status;
+ Irp->IoStatus.Information = 0;
+
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ return(Status);
}
FsdWrite(PDEVICE_OBJECT DeviceObject,
PIRP Irp)
{
- DPRINT("FsdWrite(DeviceObject %x Irp %x)\n",DeviceObject,Irp);
-
- Irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
- Irp->IoStatus.Information = 0;
- return(STATUS_UNSUCCESSFUL);
+ DPRINT("FsdWrite(DeviceObject %x Irp %x)\n",DeviceObject,Irp);
+
+ Irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
+ Irp->IoStatus.Information = 0;
+ return(STATUS_UNSUCCESSFUL);
}
NTSTATUS STDCALL
FsdRead(PDEVICE_OBJECT DeviceObject,
PIRP Irp)
{
- ULONG Length;
- PVOID Buffer;
- ULONG Offset;
- PIO_STACK_LOCATION Stack = IoGetCurrentIrpStackLocation(Irp);
- PFILE_OBJECT FileObject = Stack->FileObject;
- PDEVICE_EXTENSION DeviceExt = DeviceObject->DeviceExtension;
- NTSTATUS Status;
-
- DPRINT("FsdRead(DeviceObject %x, Irp %x)\n",DeviceObject,Irp);
-
- Length = Stack->Parameters.Read.Length;
- Buffer = MmGetSystemAddressForMdl(Irp->MdlAddress);
- Offset = Stack->Parameters.Read.ByteOffset.LowPart;
-
- Status = FsdReadFile(DeviceExt,FileObject,Buffer,Length,Offset);
-
- Irp->IoStatus.Status = Status;
- Irp->IoStatus.Information = Length;
- IoCompleteRequest(Irp,IO_NO_INCREMENT);
- return(Status);
+ ULONG Length;
+ PVOID Buffer;
+ ULONG Offset;
+ PIO_STACK_LOCATION Stack = IoGetCurrentIrpStackLocation(Irp);
+ PFILE_OBJECT FileObject = Stack->FileObject;
+ PDEVICE_EXTENSION DeviceExt = DeviceObject->DeviceExtension;
+ NTSTATUS Status;
+
+ DPRINT("FsdRead(DeviceObject %x, Irp %x)\n",DeviceObject,Irp);
+
+ Length = Stack->Parameters.Read.Length;
+ Buffer = MmGetSystemAddressForMdl(Irp->MdlAddress);
+ Offset = Stack->Parameters.Read.ByteOffset.LowPart;
+
+ Status = FsdReadFile(DeviceExt,FileObject,Buffer,Length,Offset);
+
+ Irp->IoStatus.Status = Status;
+ Irp->IoStatus.Information = Length;
+ IoCompleteRequest(Irp,IO_NO_INCREMENT);
+ return(Status);
}
NTSTATUS
FsdMount(PDEVICE_OBJECT DeviceToMount)
{
- PDEVICE_OBJECT DeviceObject;
- PDEVICE_EXTENSION DeviceExt;
-
- IoCreateDevice(DriverObject,
- sizeof(DEVICE_EXTENSION),
- NULL,
- FILE_DEVICE_FILE_SYSTEM,
- 0,
- FALSE,
- &DeviceObject);
- DeviceObject->Flags = DeviceObject->Flags | DO_DIRECT_IO;
- DeviceExt = (PVOID)DeviceObject->DeviceExtension;
-
- FsdMountDevice(DeviceExt,
- DeviceToMount);
-
- DeviceExt->StorageDevice = IoAttachDeviceToDeviceStack(DeviceObject,
- DeviceToMount);
- return(STATUS_SUCCESS);
+ PDEVICE_OBJECT DeviceObject;
+ PDEVICE_EXTENSION DeviceExt;
+
+ IoCreateDevice(DriverObject,
+ sizeof(DEVICE_EXTENSION),
+ NULL,
+ FILE_DEVICE_FILE_SYSTEM,
+ 0,
+ FALSE,
+ &DeviceObject);
+ DeviceObject->Flags = DeviceObject->Flags | DO_DIRECT_IO;
+ DeviceExt = (PVOID)DeviceObject->DeviceExtension;
+
+ FsdMountDevice(DeviceExt,
+ DeviceToMount);
+
+ DeviceExt->StorageDevice = DeviceToMount;
+ DeviceExt->StorageDevice->Vpb->DeviceObject = DeviceObject;
+ DeviceExt->StorageDevice->Vpb->RealDevice = DeviceExt->StorageDevice;
+ DeviceExt->StorageDevice->Vpb->Flags |= VPB_MOUNTED;
+ DeviceObject->StackSize = DeviceExt->StorageDevice->StackSize + 1;
+ DeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
+
+ return(STATUS_SUCCESS);
}
+
NTSTATUS STDCALL
FsdFileSystemControl(PDEVICE_OBJECT DeviceObject,
PIRP Irp)
{
- PIO_STACK_LOCATION Stack = IoGetCurrentIrpStackLocation(Irp);
- PVPB vpb = Stack->Parameters.Mount.Vpb;
- PDEVICE_OBJECT DeviceToMount = Stack->Parameters.Mount.DeviceObject;
- NTSTATUS Status;
-
- if (FsdHasFileSystem(DeviceToMount))
- {
- Status = FsdMount(DeviceToMount);
- }
- else
- {
- Status = STATUS_UNRECOGNIZED_VOLUME;
- }
-
- Irp->IoStatus.Status = Status;
- Irp->IoStatus.Information = 0;
-
- IoCompleteRequest(Irp, IO_NO_INCREMENT);
- return(Status);
+ PIO_STACK_LOCATION Stack = IoGetCurrentIrpStackLocation(Irp);
+ PVPB vpb = Stack->Parameters.Mount.Vpb;
+ PDEVICE_OBJECT DeviceToMount = Stack->Parameters.Mount.DeviceObject;
+ NTSTATUS Status;
+
+ if (FsdHasFileSystem(DeviceToMount))
+ {
+ Status = FsdMount(DeviceToMount);
+ }
+ else
+ {
+ Status = STATUS_UNRECOGNIZED_VOLUME;
+ }
+
+ Irp->IoStatus.Status = Status;
+ Irp->IoStatus.Information = 0;
+
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ return(Status);
}
+
NTSTATUS STDCALL
DriverEntry(PDRIVER_OBJECT _DriverObject,
PUNICODE_STRING RegistryPath)
* RETURNS: Success or failure
*/
{
- PDEVICE_OBJECT DeviceObject;
- NTSTATUS Status;
- UNICODE_STRING DeviceName;
-
- DbgPrint("Bare FSD Template 0.0.1\n");
-
- DriverObject = _DriverObject;
-
- RtlInitUnicodeString(&DeviceName,
- L"\\Device\\BareFsd");
- Status = IoCreateDevice(DriverObject,
- 0,
- &DeviceName,
- FILE_DEVICE_FILE_SYSTEM,
- 0,
- FALSE,
- &DeviceObject);
- if (!NT_SUCCESS(Status))
- {
- return(ret);
- }
-
- DeviceObject->Flags=0;
- DriverObject->MajorFunction[IRP_MJ_CLOSE] = FsdClose;
- DriverObject->MajorFunction[IRP_MJ_CREATE] = FsdCreate;
- DriverObject->MajorFunction[IRP_MJ_READ] = FsdRead;
- DriverObject->MajorFunction[IRP_MJ_WRITE] = FsdWrite;
- DriverObject->MajorFunction[IRP_MJ_FILE_SYSTEM_CONTROL] =
- FsdFileSystemControl;
- DriverObject->DriverUnload = NULL;
-
- IoRegisterFileSystem(DeviceObject);
-
- return(STATUS_SUCCESS);
+ PDEVICE_OBJECT DeviceObject;
+ NTSTATUS Status;
+ UNICODE_STRING DeviceName;
+
+ DbgPrint("Bare FSD Template 0.0.1\n");
+
+ DriverObject = _DriverObject;
+
+ RtlInitUnicodeString(&DeviceName,
+ L"\\Device\\BareFsd");
+ Status = IoCreateDevice(DriverObject,
+ 0,
+ &DeviceName,
+ FILE_DEVICE_FILE_SYSTEM,
+ 0,
+ FALSE,
+ &DeviceObject);
+ if (!NT_SUCCESS(Status))
+ {
+ return(Status);
+ }
+
+ DeviceObject->Flags=0;
+ DriverObject->MajorFunction[IRP_MJ_CLOSE] = FsdClose;
+ DriverObject->MajorFunction[IRP_MJ_CREATE] = FsdCreate;
+ DriverObject->MajorFunction[IRP_MJ_READ] = FsdRead;
+ DriverObject->MajorFunction[IRP_MJ_WRITE] = FsdWrite;
+ DriverObject->MajorFunction[IRP_MJ_FILE_SYSTEM_CONTROL] =
+ FsdFileSystemControl;
+ DriverObject->DriverUnload = NULL;
+
+ IoRegisterFileSystem(DeviceObject);
+
+ return(STATUS_SUCCESS);
}
+/* EOF */
projects / reactos.git / commitdiff