+++ /dev/null
-/*++
-
-Copyright (c) 1989-2000 Microsoft Corporation
-
-Module Name:
-
- CdInit.c
-
-Abstract:
-
- This module implements the DRIVER_INITIALIZATION routine for Cdfs
-
-
---*/
-
-#include "cdprocs.h"
-
-//
-// The Bug check file id for this module
-//
-
-#define BugCheckFileId (CDFS_BUG_CHECK_CDINIT)
-
-// Tell prefast the function type.
-DRIVER_INITIALIZE DriverEntry;
-
-NTSTATUS
-NTAPI /* ReactOS Change: GCC Does not support STDCALL by default */
-DriverEntry(
- _In_ PDRIVER_OBJECT DriverObject,
- _In_ PUNICODE_STRING RegistryPath
- );
-
-
-// tell prefast this is a driver unload function
-DRIVER_UNLOAD CdUnload;
-
-VOID
-NTAPI /* ReactOS Change: GCC Does not support STDCALL by default */
-CdUnload(
- _In_ PDRIVER_OBJECT DriverObject
- );
-
-NTSTATUS
-CdInitializeGlobalData (
- _In_ PDRIVER_OBJECT DriverObject,
- _In_ PDEVICE_OBJECT FileSystemDeviceObject
-#ifdef __REACTOS__
- ,
- IN PDEVICE_OBJECT HddFileSystemDeviceObject
-#endif
- );
-
-#ifdef ALLOC_PRAGMA
-#pragma alloc_text(INIT, DriverEntry)
-#pragma alloc_text(PAGE, CdUnload)
-#pragma alloc_text(INIT, CdInitializeGlobalData)
-#endif
-
-\f
-//
-// Local support routine
-//
-
-NTSTATUS
-NTAPI /* ReactOS Change: GCC Does not support STDCALL by default */
-DriverEntry(
- _In_ PDRIVER_OBJECT DriverObject,
- _In_ PUNICODE_STRING RegistryPath
- )
-
-/*++
-
-Routine Description:
-
- This is the initialization routine for the Cdrom file system
- device driver. This routine creates the device object for the FileSystem
- device and performs all other driver initialization.
-
-Arguments:
-
- DriverObject - Pointer to driver object created by the system.
-
-Return Value:
-
- NTSTATUS - The function value is the final status from the initialization
- operation.
-
---*/
-
-{
- NTSTATUS Status;
- UNICODE_STRING UnicodeString;
- PDEVICE_OBJECT CdfsFileSystemDeviceObject;
- FS_FILTER_CALLBACKS FilterCallbacks;
-#ifdef __REACTOS__
- PDEVICE_OBJECT HddFileSystemDeviceObject;
-#endif
-
- UNREFERENCED_PARAMETER( RegistryPath );
-
- //
- // Create the device object.
- //
-
- RtlInitUnicodeString( &UnicodeString, L"\\Cdfs" );
-
- Status = IoCreateDevice( DriverObject,
- 0,
- &UnicodeString,
- FILE_DEVICE_CD_ROM_FILE_SYSTEM,
- 0,
- FALSE,
- &CdfsFileSystemDeviceObject );
-
- if (!NT_SUCCESS( Status )) {
- return Status;
- }
-
-#ifdef __REACTOS__
- //
- // Create the HDD device object.
- //
-
- RtlInitUnicodeString( &UnicodeString, L"\\CdfsHdd" );
-
- Status = IoCreateDevice( DriverObject,
- 0,
- &UnicodeString,
- FILE_DEVICE_DISK_FILE_SYSTEM,
- 0,
- FALSE,
- &HddFileSystemDeviceObject );
-
- if (!NT_SUCCESS( Status )) {
- IoDeleteDevice (CdfsFileSystemDeviceObject);
- return Status;
- }
-#endif
-
-#ifdef _MSC_VER
-#pragma prefast(push)
-#pragma prefast(disable: 28155, "the dispatch routine has the correct type, prefast is just being paranoid.")
-#pragma prefast(disable: 28168, "the dispatch routine has the correct type, prefast is just being paranoid.")
-#pragma prefast(disable: 28169, "the dispatch routine has the correct type, prefast is just being paranoid.")
-#pragma prefast(disable: 28175, "we're allowed to change these.")
-#endif
-
- DriverObject->DriverUnload = CdUnload;
-
- //
- // Note that because of the way data caching is done, we set neither
- // the Direct I/O or Buffered I/O bit in DeviceObject->Flags. If
- // data is not in the cache, or the request is not buffered, we may,
- // set up for Direct I/O by hand.
- //
-
- //
- // Initialize the driver object with this driver's entry points.
- //
- // NOTE - Each entry in the dispatch table must have an entry in
- // the Fsp/Fsd dispatch switch statements.
- //
-
- DriverObject->MajorFunction[IRP_MJ_CREATE] =
- DriverObject->MajorFunction[IRP_MJ_CLOSE] =
- DriverObject->MajorFunction[IRP_MJ_READ] =
- DriverObject->MajorFunction[IRP_MJ_WRITE] =
- DriverObject->MajorFunction[IRP_MJ_QUERY_INFORMATION] =
- DriverObject->MajorFunction[IRP_MJ_SET_INFORMATION] =
- DriverObject->MajorFunction[IRP_MJ_QUERY_VOLUME_INFORMATION]=
- DriverObject->MajorFunction[IRP_MJ_DIRECTORY_CONTROL] =
- DriverObject->MajorFunction[IRP_MJ_FILE_SYSTEM_CONTROL] =
- DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] =
- DriverObject->MajorFunction[IRP_MJ_LOCK_CONTROL] =
- DriverObject->MajorFunction[IRP_MJ_CLEANUP] =
- DriverObject->MajorFunction[IRP_MJ_PNP] =
- DriverObject->MajorFunction[IRP_MJ_SHUTDOWN] = (PDRIVER_DISPATCH) CdFsdDispatch;
-#ifdef _MSC_VER
-#pragma prefast(pop)
-
-#pragma prefast(suppress: 28175, "this is a file system driver, we're allowed to touch FastIoDispatch.")
-#endif
- DriverObject->FastIoDispatch = &CdFastIoDispatch;
-
- //
- // Initialize the filter callbacks we use.
- //
-
- RtlZeroMemory( &FilterCallbacks,
- sizeof(FS_FILTER_CALLBACKS) );
-
- FilterCallbacks.SizeOfFsFilterCallbacks = sizeof(FS_FILTER_CALLBACKS);
- FilterCallbacks.PreAcquireForSectionSynchronization = CdFilterCallbackAcquireForCreateSection;
-
- Status = FsRtlRegisterFileSystemFilterCallbacks( DriverObject,
- &FilterCallbacks );
-
- if (!NT_SUCCESS( Status )) {
-
- IoDeleteDevice( CdfsFileSystemDeviceObject );
-#ifdef __REACTOS__
- IoDeleteDevice (HddFileSystemDeviceObject);
-#endif
- return Status;
- }
-
- //
- // Initialize the global data structures
- //
-
-#ifndef __REACTOS__
- Status = CdInitializeGlobalData( DriverObject, CdfsFileSystemDeviceObject );
-#else
- Status = CdInitializeGlobalData( DriverObject, CdfsFileSystemDeviceObject, HddFileSystemDeviceObject );
-#endif
- if (!NT_SUCCESS (Status)) {
- IoDeleteDevice (CdfsFileSystemDeviceObject);
-#ifdef __REACTOS__
- IoDeleteDevice (HddFileSystemDeviceObject);
-#endif
- return Status;
- }
-
- //
- // Register the file system as low priority with the I/O system. This will cause
- // CDFS to receive mount requests after a) other filesystems currently registered
- // and b) other normal priority filesystems that may be registered later.
- //
-
- CdfsFileSystemDeviceObject->Flags |= DO_LOW_PRIORITY_FILESYSTEM;
-#ifdef __REACTOS__
- HddFileSystemDeviceObject->Flags |= DO_LOW_PRIORITY_FILESYSTEM;
-#endif
-
- IoRegisterFileSystem( CdfsFileSystemDeviceObject );
- ObReferenceObject (CdfsFileSystemDeviceObject);
-#ifdef __REACTOS__
- IoRegisterFileSystem( HddFileSystemDeviceObject );
- ObReferenceObject (HddFileSystemDeviceObject);
-#endif
-
-#ifdef CDFS_TELEMETRY_DATA
- //
- // Initialize Telemetry
- //
-
- CdInitializeTelemetry();
-
-#endif
-
- //
- // And return to our caller
- //
-
- return( STATUS_SUCCESS );
-}
-
-
-VOID
-NTAPI /* ReactOS Change: GCC Does not support STDCALL by default */
-CdUnload(
- _In_ PDRIVER_OBJECT DriverObject
- )
-/*++
-
-Routine Description:
-
- This routine unload routine for CDFS.
-
-Arguments:
-
- DriverObject - Supplies the driver object for CDFS.
-
-Return Value:
-
- None.
-
---*/
-{
- PIRP_CONTEXT IrpContext;
-
- PAGED_CODE();
-
- UNREFERENCED_PARAMETER( DriverObject );
-
- //
- // Free any IRP contexts
- //
- while (1) {
- IrpContext = (PIRP_CONTEXT) PopEntryList( &CdData.IrpContextList) ;
- if (IrpContext == NULL) {
- break;
- }
- CdFreePool(&IrpContext);
- }
-
- IoFreeWorkItem (CdData.CloseItem);
- ExDeleteResourceLite( &CdData.DataResource );
- ObDereferenceObject (CdData.FileSystemDeviceObject);
-#ifdef __REACTOS__
- ObDereferenceObject (CdData.HddFileSystemDeviceObject);
-#endif
-}
-\f
-//
-// Local support routine
-//
-
-NTSTATUS
-CdInitializeGlobalData (
- _In_ PDRIVER_OBJECT DriverObject,
- _In_ PDEVICE_OBJECT FileSystemDeviceObject
-#ifdef __REACTOS__
- ,
- IN PDEVICE_OBJECT HddFileSystemDeviceObject
-#endif
- )
-
-/*++
-
-Routine Description:
-
- This routine initializes the global cdfs data structures.
-
-Arguments:
-
- DriverObject - Supplies the driver object for CDFS.
-
- FileSystemDeviceObject - Supplies the device object for CDFS.
-
-Return Value:
-
- None.
-
---*/
-
-{
- //
- // Start by initializing the FastIoDispatch Table.
- //
-
- RtlZeroMemory( &CdFastIoDispatch, sizeof( FAST_IO_DISPATCH ));
-
- CdFastIoDispatch.SizeOfFastIoDispatch = sizeof(FAST_IO_DISPATCH);
-
-#ifdef _MSC_VER
-#pragma prefast(push)
-#pragma prefast(disable:28155, "these are all correct")
-#endif
-
- CdFastIoDispatch.FastIoCheckIfPossible = CdFastIoCheckIfPossible; // CheckForFastIo
- CdFastIoDispatch.FastIoRead = FsRtlCopyRead; // Read
- CdFastIoDispatch.FastIoQueryBasicInfo = CdFastQueryBasicInfo; // QueryBasicInfo
- CdFastIoDispatch.FastIoQueryStandardInfo = CdFastQueryStdInfo; // QueryStandardInfo
- CdFastIoDispatch.FastIoLock = CdFastLock; // Lock
- CdFastIoDispatch.FastIoUnlockSingle = CdFastUnlockSingle; // UnlockSingle
- CdFastIoDispatch.FastIoUnlockAll = CdFastUnlockAll; // UnlockAll
- CdFastIoDispatch.FastIoUnlockAllByKey = CdFastUnlockAllByKey; // UnlockAllByKey
- //
- // This callback has been replaced by CdFilterCallbackAcquireForCreateSection.
- //
-
- CdFastIoDispatch.AcquireFileForNtCreateSection = NULL;
- CdFastIoDispatch.ReleaseFileForNtCreateSection = CdReleaseForCreateSection;
- CdFastIoDispatch.FastIoQueryNetworkOpenInfo = CdFastQueryNetworkInfo; // QueryNetworkInfo
-
- CdFastIoDispatch.MdlRead = FsRtlMdlReadDev;
- CdFastIoDispatch.MdlReadComplete = FsRtlMdlReadCompleteDev;
- CdFastIoDispatch.PrepareMdlWrite = FsRtlPrepareMdlWriteDev;
- CdFastIoDispatch.MdlWriteComplete = FsRtlMdlWriteCompleteDev;
-
-#ifdef _MSC_VER
-#pragma prefast(pop)
-#endif
-
- //
- // Initialize the CdData structure.
- //
-
- RtlZeroMemory( &CdData, sizeof( CD_DATA ));
-
- CdData.NodeTypeCode = CDFS_NTC_DATA_HEADER;
- CdData.NodeByteSize = sizeof( CD_DATA );
-
- CdData.DriverObject = DriverObject;
- CdData.FileSystemDeviceObject = FileSystemDeviceObject;
-#ifdef __REACTOS__
- CdData.HddFileSystemDeviceObject = HddFileSystemDeviceObject;
-#endif
-
- InitializeListHead( &CdData.VcbQueue );
-
- ExInitializeResourceLite( &CdData.DataResource );
-
- //
- // Initialize the cache manager callback routines
- //
-
- CdData.CacheManagerCallbacks.AcquireForLazyWrite = (PVOID)&CdAcquireForCache;/* ReactOS Change: GCC "assignment from incompatible pointer type" */
- CdData.CacheManagerCallbacks.ReleaseFromLazyWrite = (PVOID)&CdReleaseFromCache;/* ReactOS Change: GCC "assignment from incompatible pointer type" */
- CdData.CacheManagerCallbacks.AcquireForReadAhead = (PVOID)&CdAcquireForCache;/* ReactOS Change: GCC "assignment from incompatible pointer type" */
- CdData.CacheManagerCallbacks.ReleaseFromReadAhead = (PVOID)&CdReleaseFromCache;/* ReactOS Change: GCC "assignment from incompatible pointer type" */
-
- CdData.CacheManagerVolumeCallbacks.AcquireForLazyWrite = &CdNoopAcquire;
- CdData.CacheManagerVolumeCallbacks.ReleaseFromLazyWrite = &CdNoopRelease;
- CdData.CacheManagerVolumeCallbacks.AcquireForReadAhead = &CdNoopAcquire;
- CdData.CacheManagerVolumeCallbacks.ReleaseFromReadAhead = &CdNoopRelease;
-
- //
- // Initialize the lock mutex and the async and delay close queues.
- //
-
- ExInitializeFastMutex( &CdData.CdDataMutex );
- InitializeListHead( &CdData.AsyncCloseQueue );
- InitializeListHead( &CdData.DelayedCloseQueue );
-
- CdData.CloseItem = IoAllocateWorkItem (FileSystemDeviceObject);
- if (CdData.CloseItem == NULL) {
-
- ExDeleteResourceLite( &CdData.DataResource );
- return STATUS_INSUFFICIENT_RESOURCES;
- }
- //
- // Do the initialization based on the system size.
- //
-
- switch (MmQuerySystemSize()) {
-
- case MmSmallSystem:
-
- CdData.IrpContextMaxDepth = 4;
- CdData.MaxDelayedCloseCount = 8;
- CdData.MinDelayedCloseCount = 2;
- break;
-
- case MmMediumSystem:
-
- CdData.IrpContextMaxDepth = 8;
- CdData.MaxDelayedCloseCount = 24;
- CdData.MinDelayedCloseCount = 6;
- break;
-
- case MmLargeSystem:
-
- CdData.IrpContextMaxDepth = 32;
- CdData.MaxDelayedCloseCount = 72;
- CdData.MinDelayedCloseCount = 18;
- break;
- }
- return STATUS_SUCCESS;
-}
-
projects / reactos.git / blobdiff