mirror of
https://github.com/reactos/reactos.git
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Create media change events.
Check for XA disk formats. Removed shutdown/flush routine. Process read requests asynchronously. svn path=/trunk/; revision=5106
This commit is contained in:
Eric Kohl
parent
a7afd50a26
commit
988c5bb9eb
1 changed files with 258 additions and 29 deletions
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@ -16,7 +16,7 @@
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* $Id: cdrom.c,v 1.19 2003/05/01 17:50:03 ekohl Exp $
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/* $Id: cdrom.c,v 1.20 2003/07/13 12:40:15 ekohl Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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@ -47,11 +47,42 @@
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#define SCSI_CDROM_TIMEOUT 10 /* Default timeout: 10 seconds */
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typedef struct _ERROR_RECOVERY_DATA
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{
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MODE_PARAMETER_HEADER Header;
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MODE_PARAMETER_BLOCK BlockDescriptor;
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MODE_READ_RECOVERY_PAGE ReadRecoveryPage;
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} ERROR_RECOVERY_DATA, *PERROR_RECOVERY_DATA;
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typedef struct _ERROR_RECOVERY_DATA10
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{
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MODE_PARAMETER_HEADER10 Header10;
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MODE_PARAMETER_BLOCK BlockDescriptor10;
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MODE_READ_RECOVERY_PAGE ReadRecoveryPage10;
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} ERROR_RECOVERY_DATA10, *PERROR_RECOVERY_DATA10;
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typedef struct _CDROM_DATA
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{
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ULONG Dummy;
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BOOLEAN PlayActive;
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BOOLEAN RawAccess;
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USHORT XaFlags;
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union
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{
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ERROR_RECOVERY_DATA;
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ERROR_RECOVERY_DATA10;
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};
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} CDROM_DATA, *PCDROM_DATA;
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/* CDROM_DATA.XaFlags */
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#define XA_USE_6_BYTE 0x0001
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#define XA_USE_10_BYTE 0x0002
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#define XA_USE_READ_CD 0x0004
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#define XA_NOT_SUPPORTED 0x0008
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BOOLEAN STDCALL
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CdromClassFindDevices(IN PDRIVER_OBJECT DriverObject,
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@ -67,6 +98,10 @@ NTSTATUS STDCALL
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CdromClassCheckReadWrite(IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp);
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static VOID
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CdromClassCreateMediaChangeEvent(IN PDEVICE_EXTENSION DeviceExtension,
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IN ULONG DeviceNumber);
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static NTSTATUS
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CdromClassCreateDeviceObject(IN PDRIVER_OBJECT DriverObject,
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IN PUNICODE_STRING RegistryPath,
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@ -82,9 +117,9 @@ NTSTATUS STDCALL
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CdromClassDeviceControl(IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp);
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NTSTATUS STDCALL
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CdromClassShutdownFlush(IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp);
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VOID STDCALL
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CdromClassStartIo (IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp);
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VOID STDCALL
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CdromTimerRoutine(IN PDEVICE_OBJECT DeviceObject,
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@ -131,14 +166,14 @@ DriverEntry(IN PDRIVER_OBJECT DriverObject,
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InitData.DeviceType = FILE_DEVICE_CD_ROM;
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InitData.DeviceCharacteristics = FILE_REMOVABLE_MEDIA | FILE_READ_ONLY_DEVICE;
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InitData.ClassError = NULL; // CdromClassProcessError;
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InitData.ClassError = NULL;
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InitData.ClassReadWriteVerification = CdromClassCheckReadWrite;
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InitData.ClassFindDeviceCallBack = CdromClassCheckDevice;
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InitData.ClassFindDevices = CdromClassFindDevices;
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InitData.ClassDeviceControl = CdromClassDeviceControl;
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InitData.ClassShutdownFlush = CdromClassShutdownFlush;
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InitData.ClassShutdownFlush = NULL;
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InitData.ClassCreateClose = NULL;
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InitData.ClassStartIo = NULL;
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InitData.ClassStartIo = CdromClassStartIo;
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return(ScsiClassInitialize(DriverObject,
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RegistryPath,
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@ -339,6 +374,27 @@ CdromClassCheckReadWrite(IN PDEVICE_OBJECT DeviceObject,
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}
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static VOID
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CdromClassCreateMediaChangeEvent(IN PDEVICE_EXTENSION DeviceExtension,
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IN ULONG DeviceNumber)
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{
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WCHAR NameBuffer[MAX_PATH];
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UNICODE_STRING Name;
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swprintf (NameBuffer,
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L"\\Device\\MediaChangeEvent%lu",
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DeviceNumber);
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RtlInitUnicodeString (&Name,
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NameBuffer);
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DeviceExtension->MediaChangeEvent =
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IoCreateSynchronizationEvent (&Name,
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&DeviceExtension->MediaChangeEventHandle);
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KeClearEvent (DeviceExtension->MediaChangeEvent);
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}
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/**********************************************************************
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* NAME EXPORTED
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* CdromClassCreateDeviceObject
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@ -375,13 +431,17 @@ CdromClassCreateDeviceObject(IN PDRIVER_OBJECT DriverObject,
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IN PSCSI_INQUIRY_DATA InquiryData,
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IN PCLASS_INIT_DATA InitializationData)
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{
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PDEVICE_EXTENSION DiskDeviceExtension; /* defined in class2.h */
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OBJECT_ATTRIBUTES ObjectAttributes;
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UNICODE_STRING UnicodeDeviceDirName;
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CHAR NameBuffer[80];
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PDEVICE_OBJECT DiskDeviceObject;
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PDEVICE_EXTENSION DiskDeviceExtension; /* defined in class2.h */
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HANDLE Handle;
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SCSI_REQUEST_BLOCK Srb;
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PCDROM_DATA CdromData;
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CHAR NameBuffer[80];
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HANDLE Handle;
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PUCHAR Buffer;
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ULONG Length;
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PCDB Cdb;
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NTSTATUS Status;
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DPRINT("CdromClassCreateDeviceObject() called\n");
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@ -512,8 +572,107 @@ CdromClassCreateDeviceObject(IN PDRIVER_OBJECT DriverObject,
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DPRINT("SectorSize: %lu\n", DiskDeviceExtension->DiskGeometry->BytesPerSector);
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/* FIXME: initialize media change support */
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/* Initialize media change support */
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CdromClassCreateMediaChangeEvent (DiskDeviceExtension,
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DeviceNumber);
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if (DiskDeviceExtension->MediaChangeEvent != NULL)
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{
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DPRINT("Allocated media change event!\n");
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/* FIXME: Allocate media change IRP and SRB */
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}
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/* Use 6 byte xa commands by default */
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CdromData->XaFlags |= XA_USE_6_BYTE;
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/* Read 'error recovery page' to get additional drive capabilities */
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Length = sizeof(MODE_READ_RECOVERY_PAGE) +
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MODE_BLOCK_DESC_LENGTH +
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MODE_HEADER_LENGTH;
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RtlZeroMemory (&Srb,
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sizeof(SCSI_REQUEST_BLOCK));
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Srb.CdbLength = 6;
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Srb.TimeOutValue = DiskDeviceExtension->TimeOutValue;
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Cdb = (PCDB)Srb.Cdb;
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Cdb->MODE_SENSE.OperationCode = SCSIOP_MODE_SENSE;
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Cdb->MODE_SENSE.PageCode = 0x01;
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Cdb->MODE_SENSE.AllocationLength = (UCHAR)Length;
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Buffer = ExAllocatePool (NonPagedPool,
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sizeof(MODE_READ_RECOVERY_PAGE) +
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MODE_BLOCK_DESC_LENGTH + MODE_HEADER_LENGTH10);
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if (Buffer == NULL)
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{
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DPRINT1("Allocating recovery page buffer failed!\n");
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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Status = ScsiClassSendSrbSynchronous (DiskDeviceObject,
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&Srb,
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Buffer,
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Length,
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FALSE);
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if (!NT_SUCCESS (Status))
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{
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DPRINT("MODE_SENSE(6) failed\n");
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/* Try the 10 byte version */
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Length = sizeof(MODE_READ_RECOVERY_PAGE) +
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MODE_BLOCK_DESC_LENGTH +
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MODE_HEADER_LENGTH10;
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RtlZeroMemory (&Srb,
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sizeof(SCSI_REQUEST_BLOCK));
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Srb.CdbLength = 10;
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Srb.TimeOutValue = DiskDeviceExtension->TimeOutValue;
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Cdb = (PCDB)Srb.Cdb;
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Cdb->MODE_SENSE10.OperationCode = SCSIOP_MODE_SENSE10;
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Cdb->MODE_SENSE10.PageCode = 0x01;
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Cdb->MODE_SENSE10.AllocationLength[0] = (UCHAR)(Length >> 8);
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Cdb->MODE_SENSE10.AllocationLength[1] = (UCHAR)(Length && 0xFF);
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Status = ScsiClassSendSrbSynchronous (DiskDeviceObject,
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&Srb,
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Buffer,
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Length,
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FALSE);
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if (Status == STATUS_DATA_OVERRUN)
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{
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DPRINT1("Data overrun\n");
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/* FIXME */
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}
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else if (NT_SUCCESS (Status))
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{
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DPRINT("Use 10 byte commands\n");
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RtlCopyMemory (&CdromData->Header,
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Buffer,
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sizeof (ERROR_RECOVERY_DATA10));
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CdromData->Header.ModeDataLength = 0;
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CdromData->XaFlags &= XA_USE_6_BYTE;
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CdromData->XaFlags |= XA_USE_10_BYTE;
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}
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else
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{
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DPRINT("XA not supported\n");
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CdromData->XaFlags |= XA_NOT_SUPPORTED;
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}
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}
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else
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{
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DPRINT("Use 6 byte commands\n");
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RtlCopyMemory (&CdromData->Header,
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Buffer,
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sizeof (ERROR_RECOVERY_DATA));
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CdromData->Header.ModeDataLength = 0;
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}
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ExFreePool (Buffer);
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/* Initialize device timer */
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IoInitializeTimer(DiskDeviceObject,
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CdromTimerRoutine,
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NULL);
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@ -540,12 +699,17 @@ CdromClassCreateDeviceObject(IN PDRIVER_OBJECT DriverObject,
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*/
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static NTSTATUS
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CdromClassReadTocEntry(PDEVICE_OBJECT DeviceObject, UINT TrackNo, PVOID Buffer, UINT Length)
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CdromClassReadTocEntry (PDEVICE_OBJECT DeviceObject,
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UINT TrackNo,
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PVOID Buffer,
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UINT Length)
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{
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PDEVICE_EXTENSION DeviceExtension = (PDEVICE_EXTENSION)DeviceObject->DeviceExtension;
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PDEVICE_EXTENSION DeviceExtension;
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SCSI_REQUEST_BLOCK Srb;
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PCDB Cdb;
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DeviceExtension = (PDEVICE_EXTENSION)DeviceObject->DeviceExtension;
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RtlZeroMemory(&Srb, sizeof(SCSI_REQUEST_BLOCK));
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Srb.CdbLength = 10;
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Srb.TimeOutValue = DeviceExtension->TimeOutValue;
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@ -567,12 +731,17 @@ CdromClassReadTocEntry(PDEVICE_OBJECT DeviceObject, UINT TrackNo, PVOID Buffer,
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static NTSTATUS
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CdromClassReadLastSession(PDEVICE_OBJECT DeviceObject, UINT TrackNo, PVOID Buffer, UINT Length)
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CdromClassReadLastSession (PDEVICE_OBJECT DeviceObject,
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UINT TrackNo,
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PVOID Buffer,
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UINT Length)
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{
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PDEVICE_EXTENSION DeviceExtension = (PDEVICE_EXTENSION)DeviceObject->DeviceExtension;
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PDEVICE_EXTENSION DeviceExtension;
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SCSI_REQUEST_BLOCK Srb;
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PCDB Cdb;
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DeviceExtension = (PDEVICE_EXTENSION)DeviceObject->DeviceExtension;
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RtlZeroMemory(&Srb, sizeof(SCSI_REQUEST_BLOCK));
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Srb.CdbLength = 10;
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Srb.TimeOutValue = DeviceExtension->TimeOutValue;
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@ -753,11 +922,11 @@ CdromClassDeviceControl(IN PDEVICE_OBJECT DeviceObject,
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/**********************************************************************
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* NAME EXPORTED
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* CdromClassShutdownFlush
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* NAME
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* CdromClassStartIo
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*
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* DESCRIPTION:
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* Answer requests for shutdown and flush calls
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* Starts IRP processing.
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*
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* RUN LEVEL:
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* PASSIVE_LEVEL
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@ -768,20 +937,80 @@ CdromClassDeviceControl(IN PDEVICE_OBJECT DeviceObject,
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* Standard dispatch arguments
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*
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* RETURNS:
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* Status.
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* None.
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*/
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NTSTATUS STDCALL
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CdromClassShutdownFlush(IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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VOID STDCALL
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CdromClassStartIo (IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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DPRINT("CdromClassShutdownFlush() called!\n");
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PDEVICE_EXTENSION DeviceExtension;
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PIO_STACK_LOCATION IrpStack;
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ULONG MaximumTransferLength;
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ULONG TransferPages;
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Irp->IoStatus.Status = STATUS_SUCCESS;
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Irp->IoStatus.Information = 0;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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DPRINT("CdromClassStartIo() called!\n");
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return(STATUS_SUCCESS);
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DeviceExtension = (PDEVICE_EXTENSION)DeviceObject->DeviceExtension;
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IrpStack = IoGetCurrentIrpStackLocation (Irp);
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MaximumTransferLength = DeviceExtension->PortCapabilities->MaximumTransferLength;
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if (IrpStack->MajorFunction == IRP_MJ_READ)
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{
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DPRINT(" IRP_MJ_READ\n");
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TransferPages =
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ADDRESS_AND_SIZE_TO_SPAN_PAGES (MmGetMdlVirtualAddress(Irp->MdlAddress),
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IrpStack->Parameters.Read.Length);
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/* Check transfer size */
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if ((IrpStack->Parameters.Read.Length > MaximumTransferLength) ||
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(TransferPages > DeviceExtension->PortCapabilities->MaximumPhysicalPages))
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{
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/* Transfer size is too large - split it */
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TransferPages =
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DeviceExtension->PortCapabilities->MaximumPhysicalPages - 1;
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/* Adjust transfer size */
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if (MaximumTransferLength > TransferPages * PAGE_SIZE)
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MaximumTransferLength = TransferPages * PAGE_SIZE;
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if (MaximumTransferLength == 0)
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MaximumTransferLength = PAGE_SIZE;
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/* Split the transfer */
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ScsiClassSplitRequest (DeviceObject,
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Irp,
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MaximumTransferLength);
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return;
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}
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else
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{
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/* Build SRB */
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ScsiClassBuildRequest (DeviceObject,
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Irp);
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}
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}
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else if (IrpStack->MajorFunction == IRP_MJ_DEVICE_CONTROL)
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{
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DPRINT1(" IRP_MJ_IRP_MJ_DEVICE_CONTROL\n");
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UNIMPLEMENTED;
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#if 0
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switch (IrpStack->Parameters.DeviceIoControl.IoControlCode)
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{
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default:
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IoCompleteRequest (Irp,
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IO_NO_INCREMENT);
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return;
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}
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#endif
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}
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/* Call the SCSI port driver */
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IoCallDriver (DeviceExtension->PortDeviceObject,
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Irp);
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}
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