/*
* COPYRIGHT:  See COPYING in the top level directory
* PROJECT:    ReactOS kernel
* FILE:       drivers/fs/np/mount.c
* PURPOSE:    Named pipe filesystem
* PROGRAMMER: David Welch <welch@cwcom.net>
*/

/* INCLUDES ******************************************************************/

#include "npfs.h"

#define NDEBUG
#include <debug.h>

/* FUNCTIONS *****************************************************************/

NTSTATUS STDCALL
DriverEntry(PDRIVER_OBJECT DriverObject,
			PUNICODE_STRING RegistryPath)
{
	PNPFS_DEVICE_EXTENSION DeviceExtension;
	PDEVICE_OBJECT DeviceObject;
	UNICODE_STRING DeviceName;
	NTSTATUS Status;

	DPRINT("Named Pipe FSD 0.0.2\n");

	ASSERT (sizeof(NPFS_CONTEXT) <= FIELD_OFFSET(IRP, Tail.Overlay.DriverContext));
	ASSERT (sizeof(NPFS_WAITER_ENTRY) <= FIELD_OFFSET(IRP, Tail.Overlay.DriverContext));

	DriverObject->MajorFunction[IRP_MJ_CREATE] = NpfsCreate;
	DriverObject->MajorFunction[IRP_MJ_CREATE_NAMED_PIPE] =
		NpfsCreateNamedPipe;
	DriverObject->MajorFunction[IRP_MJ_CLOSE] = NpfsClose;
	DriverObject->MajorFunction[IRP_MJ_READ] = NpfsRead;
	DriverObject->MajorFunction[IRP_MJ_WRITE] = NpfsWrite;
	DriverObject->MajorFunction[IRP_MJ_QUERY_INFORMATION] =
		NpfsQueryInformation;
	DriverObject->MajorFunction[IRP_MJ_SET_INFORMATION] =
		NpfsSetInformation;
	DriverObject->MajorFunction[IRP_MJ_QUERY_VOLUME_INFORMATION] =
		NpfsQueryVolumeInformation;
	DriverObject->MajorFunction[IRP_MJ_CLEANUP] = NpfsCleanup;
	DriverObject->MajorFunction[IRP_MJ_FLUSH_BUFFERS] = NpfsFlushBuffers;
	//   DriverObject->MajorFunction[IRP_MJ_DIRECTORY_CONTROL] =
	//     NpfsDirectoryControl;
	DriverObject->MajorFunction[IRP_MJ_FILE_SYSTEM_CONTROL] =
		NpfsFileSystemControl;
	//   DriverObject->MajorFunction[IRP_MJ_QUERY_SECURITY] =
	//     NpfsQuerySecurity;
	//   DriverObject->MajorFunction[IRP_MJ_SET_SECURITY] =
	//     NpfsSetSecurity;

	DriverObject->DriverUnload = NULL;

	RtlInitUnicodeString(&DeviceName, L"\\Device\\NamedPipe");
	Status = IoCreateDevice(DriverObject,
		sizeof(NPFS_DEVICE_EXTENSION),
		&DeviceName,
		FILE_DEVICE_NAMED_PIPE,
		0,
		FALSE,
		&DeviceObject);
	if (!NT_SUCCESS(Status))
	{
		DPRINT("Failed to create named pipe device! (Status %x)\n", Status);
		return Status;
	}

	/* initialize the device object */
	DeviceObject->Flags |= DO_DIRECT_IO;

	/* initialize the device extension */
	DeviceExtension = DeviceObject->DeviceExtension;
	InitializeListHead(&DeviceExtension->PipeListHead);
	InitializeListHead(&DeviceExtension->ThreadListHead);
	KeInitializeMutex(&DeviceExtension->PipeListLock, 0);
	DeviceExtension->EmptyWaiterCount = 0;

	/* set the size quotas */
	DeviceExtension->MinQuota = PAGE_SIZE;
	DeviceExtension->DefaultQuota = 8 * PAGE_SIZE;
	DeviceExtension->MaxQuota = 64 * PAGE_SIZE;

	return STATUS_SUCCESS;
}

/* EOF */