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cuetools.net/Bwg.Scsi/Device.cs
chudov 7e966f42d9 Plextor PX-W1210A workaround
2012-01-07 00:17:00 +00:00

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//
// BwgBurn - CD-R/CD-RW/DVD-R/DVD-RW burning program for DotNet
//
// Copyright (C) 2006 by Jack W. Griffin (butchg@comcast.net)
//
// 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.,
// 59 Temple Place, Suite 330,
// Boston, MA 02111-1307 USA
//
using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime;
using System.Runtime.InteropServices;
using System.IO;
using System.Diagnostics;
using Bwg.Logging;
namespace Bwg.Scsi
{
//
// Functions not yet supported:
// MechanismStatus()
// ReadBuffer()
// ReportKey()
// WriteVerify()
// WriteBuffer()
/// <summary>
///
/// </summary>
public unsafe class Device : WinDev
{
#region Structures for DeviceIoControl
[StructLayout(LayoutKind.Explicit)]
struct SCSI_PASS_THROUGH_DIRECT32
{
[FieldOffset(0)]public ushort Length;
[FieldOffset(2)]public byte ScsiStatus;
[FieldOffset(3)]public byte PathId;
[FieldOffset(4)]public byte TargetId;
[FieldOffset(5)]public byte Lun;
[FieldOffset(6)]public byte CdbLength;
[FieldOffset(7)]public byte SenseInfoLength;
[FieldOffset(8)]public byte DataIn;
[FieldOffset(12)]public uint DataTransferLength;
[FieldOffset(16)]public uint TimeOutValue;
[FieldOffset(20)]public IntPtr DataBuffer;
[FieldOffset(24)]public uint SenseInfoOffset;
[FieldOffset(28)]public fixed byte CdbData[16];
[FieldOffset(48)]public fixed byte SenseInfo[32];
} ;
[StructLayout(LayoutKind.Explicit)]
struct SCSI_PASS_THROUGH_DIRECT64
{
[FieldOffset(0)]public ushort Length;
[FieldOffset(2)]public byte ScsiStatus;
[FieldOffset(3)]public byte PathId;
[FieldOffset(4)]public byte TargetId;
[FieldOffset(5)]public byte Lun;
[FieldOffset(6)]public byte CdbLength;
[FieldOffset(7)]public byte SenseInfoLength;
[FieldOffset(8)]public byte DataIn;
[FieldOffset(12)]public uint DataTransferLength;
[FieldOffset(16)]public uint TimeOutValue;
[FieldOffset(24)]public IntPtr DataBuffer;
[FieldOffset(32)]public uint SenseInfoOffset;
[FieldOffset(36)]public fixed byte CdbData[16];
[FieldOffset(56)]public fixed byte SenseInfo[32];
} ;
[StructLayout(LayoutKind.Explicit)]
struct IO_SCSI_CAPABILITIES
{
[FieldOffset(0)]public uint Length;
[FieldOffset(4)]public uint MaximumTransferLength;
[FieldOffset(8)]public uint MaximumPhysicalPages;
[FieldOffset(12)]public uint SupportedAsynchronousEvents;
[FieldOffset(16)]public uint AlignmentMask;
[FieldOffset(20)]public byte TaggedQueuing;
[FieldOffset(21)]public byte AdapterScansDown ;
[FieldOffset(22)]public byte AdapterUsesPio;
} ;
#endregion
#region Private data members
/// <summary>
/// The bitsize of the OS
/// </summary>
private byte m_ossize;
private bool m_ignore_long_write_error;
private byte[] m_sense_info;
private byte m_scsi_status;
private Logger m_logger;
private int m_MaximumTransferLength;
#endregion
#region private static data structures
static ushort m_scsi_request_size_32 = 44;
static ushort m_scsi_request_size_64 = 56;
#endregion
#region public constants
/// <summary>
/// This constant is the device code for an MMC device, which is a CDROM/DVD/BD/HD DVD drive of
/// some type.
/// </summary>
public const int MMCDeviceType = 5;
#endregion
#region Private constants
private const uint IOCTL_SCSI_PASS_THROUGH_DIRECT = 0x4d014;
private const uint IOCTL_SCSI_GET_CAPABILITIES = 0x41010;
private const uint ERROR_NOT_SUPPORTED = 50 ;
#endregion
#region Public Types
/// <summary>
/// This value can be used in the call to SetCDSpeed() to set the read or
/// write speed to an optimal value.
/// </summary>
public const ushort OptimumSpeed = 0xffff;
/// <summary>
/// The track number for the "invisible" track which is the next track to be
/// written on the device.
/// </summary>
public const byte InvisibleTrack = 0xff;
/// <summary>
/// The notification class indicating the type of events of interest
/// </summary>
[Flags]
public enum NotificationClass : byte
{
/// <summary>
///
/// </summary>
Reserved1 = (1 << 0),
/// <summary>
/// See SCSI Spec
/// </summary>
OperationalChange = (1 << 1),
/// <summary>
/// See SCSI Spec
/// </summary>
PowerManagement = (1 << 2),
/// <summary>
/// See SCSI Spec
/// </summary>
ExternalRequest = (1 << 3),
/// <summary>
/// See SCSI Spec
/// </summary>
Media = (1 << 4),
/// <summary>
/// See SCSI Spec
/// </summary>
MultiHost = (1 << 5),
/// <summary>
/// See SCSI Spec
/// </summary>
DeviceBusy = (1 << 6),
/// <summary>
/// See SCSI Spec
/// </summary>
Reserved2 = (1 << 7)
} ;
/// <summary>
/// The close sessions/track type
/// </summary>
public enum CloseTrackSessionType : byte
{
/// <summary>
/// Stop background format on DVD+RW
/// </summary>
StopBackGroundFormat = 0,
/// <summary>
/// Close a logical track
/// </summary>
CloseTrack = 1,
/// <summary>
/// Close a sessions (finalize a CD)
/// </summary>
CloseSession = 2,
/// <summary>
/// Finalize a disk
/// </summary>
FinalizeDisk = 3,
/// <summary>
/// Close a DVD+RW session with minimal radius
/// </summary>
CloseSessionMinimalRadius = 4,
/// <summary>
/// Finalize a disk with minimul radius
/// </summary>
FinalizeDiskWithMinimalRadius = 5,
/// <summary>
/// Finalize a disk in the most compatible way
/// </summary>
FinalizeDiskCompatible = 6
} ;
/// <summary>
/// The track/session number type
/// </summary>
public enum ReadTrackType
{
/// <summary>
/// Select the track containing the given logical block
/// </summary>
LBA = 0,
/// <summary>
/// Select the track given by a track number
/// </summary>
TrackNumber = 1,
/// <summary>
/// Select the first track of the given session number
/// </summary>
SessionNumber = 2,
/// <summary>
/// Reserved, do not use
/// </summary>
Reserved = 3
} ;
/// <summary>
/// The sense key for the sense information
/// </summary>
public enum SenseKeyType
{
/// <summary>
/// No sense information returned
/// </summary>
NoSense = 0,
/// <summary>
/// The last command completed sucessfully, with some recovery operation involved
/// </summary>
RecoveredError = 1 ,
/// <summary>
/// The device is not ready
/// </summary>
NotReady = 2,
/// <summary>
/// An error in the media or an error in the data
/// </summary>
MediumError = 3,
/// <summary>
/// A non-recoverable hardware error occurred
/// </summary>
HardwareError = 4,
/// <summary>
/// The request sent was not valid
/// </summary>
IllegalRequest = 5,
/// <summary>
/// Removable media was removed, or some other unit attention error
/// </summary>
UnitAttention = 6,
/// <summary>
/// A command that reads or writes the media was performed on a protected block
/// </summary>
DataProtect = 7,
/// <summary>
/// A write once media encountered a non-blank media
/// </summary>
BlankCheck = 8,
/// <summary>
/// Vendor specific sense information
/// </summary>
VendorSpecific = 9
} ;
/// <summary>
/// Return value from ScsiDevice methods indicating the status of the command
/// </summary>
public enum CommandStatus
{
/// <summary>
/// The method is not yet supported by this class
/// </summary>
NotSupported,
/// <summary>
/// The window IOCTL failed. The property LastError can be queried to get the Win32 error
/// associated with the failure.
/// </summary>
IoctlFailed,
/// <summary>
/// The SCSI device failed the result. The sense information can be queried to determine more
/// about why the method failed.
/// </summary>
DeviceFailed,
/// <summary>
/// The method was sucessful
/// </summary>
Success
} ;
/// <summary>
/// Type of blanking operations that can be performed
/// </summary>
public enum BlankType
{
/// <summary>
/// Blank the entire disk, perfoming a full blanking operation
/// </summary>
FullDisk = 0x00,
/// <summary>
/// Blank the disk, blanking only those blocks required to indicate the disk is blank
/// </summary>
MinimalDisk = 0x01,
/// <summary>
/// Blank only the track given. Not valid for DVD-RW media
/// </summary>
Track = 0x02,
/// <summary>
/// Unreserve a reserved track track
/// </summary>
UnreserveTrack = 0x03,
/// <summary>
/// Blank the track tail
/// </summary>
TrackTail = 0x04,
/// <summary>
/// Unclose the session allowing data to be appended to the session
/// </summary>
UncloseSession = 0x05,
/// <summary>
/// Blank the last session
/// </summary>
Session = 0x06
} ;
/// <summary>
/// Indicates the type of configuration to retreive from the device
/// </summary>
public enum GetConfigType
{
/// <summary>
/// Return information about all features associated with the device
/// </summary>
AllFeatures = 0,
/// <summary>
/// Return information about only those features marked as current
/// </summary>
CurrentFeatures = 1,
/// <summary>
/// Return information about one specific feature
/// </summary>
OneFeature = 2,
/// <summary>
/// This value is reserved. Using this value will cause an exception to be thrown.
/// </summary>
Reserved = 3
} ;
/// <summary>
/// The type of load/unload action to take
/// </summary>
public enum LoadUnload
{
/// <summary>
/// Abort any ongoing load or unload operation
/// </summary>
Abort = 0,
/// <summary>
/// Reserved, do not use. Using this as an argument will result in a exception
/// </summary>
Reserved = 1,
/// <summary>
/// Load the media from a specific slot, or from the tray
/// </summary>
Load = 2,
/// <summary>
/// Unload the media from the device
/// </summary>
Unload = 3 // Unload the media
} ;
/// <summary>
///
/// </summary>
public enum PageControl
{
/// <summary>
/// Return the mode page parameters currently active in the device
/// </summary>
Current = 0,
/// <summary>
/// Returns a mask indicating which parameters are changable
/// </summary>
Changeable = 1,
/// <summary>
/// Return the default mode page parameters for the requested page
/// </summary>
Default = 2,
/// <summary>
/// Returns the saved mode page parameters for the requested page
/// </summary>
Saved = 3
} ;
/// <summary>
///
/// </summary>
public enum PauseResumeAction
{
/// <summary>
/// Pause the CD/DVD drive if it is playing
/// </summary>
Pause,
/// <summary>
/// Resume the CD/DVD drive if it is paused
/// </summary>
Resume
} ;
/// <summary>
/// This type indicates the state of the drive with respect to removing the media.
/// </summary>
public enum PreventAllow
{
/// <summary>
/// Allow the media to be removed from the device
/// </summary>
Allow = 0,
/// <summary>
/// Prevent the media from being removed from the device
/// </summary>
Prevent = 1,
/// <summary>
/// Allow the media to be removed from the device (not sure what presistent means)
/// </summary>
PresistentAllow = 2,
/// <summary>
/// Prevent the media from being removed from the device (not sure what presistent means)
/// </summary>
PresistentPrevent = 3
} ;
/// <summary>
/// Direction to perform the scan operation
/// </summary>
public enum ScanDirection
{
/// <summary>
/// Scan in the forward direction
/// </summary>
Forward,
/// <summary>
/// Scan in the reverse direction
/// </summary>
Reverse
} ;
/// <summary>
/// The type of scan operation
/// </summary>
public enum ScanType
{
/// <summary>
/// Logical block address can
/// </summary>
LogicalBlockAddress = 0,
/// <summary>
/// Time based scan
/// </summary>
Time = 1,
/// <summary>
/// Track number scan
/// </summary>
TrackNumber = 2,
/// <summary>
/// Reserved, will cause an excpetion if used
/// </summary>
Reserved = 3
} ;
/// <summary>
/// This type gives the rotational contorl value when setting the speed of the
/// CD player
/// </summary>
public enum RotationalControl
{
/// <summary>
/// CLV and non-pure CAV
/// </summary>
CLVandNonPureCav = 0,
/// <summary>
/// Pure Cav
/// </summary>
PureCav = 1,
} ;
/// <summary>
/// The power control value used when starting, stopping the drive
/// </summary>
public enum PowerControl
{
/// <summary>
/// Do not change the current power setting
/// </summary>
NoChange = 0,
/// <summary>
/// Put player into idle state, reset the standby timer
/// </summary>
IdleState = 2,
/// <summary>
/// Place the drive in the standby state
/// </summary>
StandbyState = 3,
/// <summary>
/// Place the drive in the sleep state
/// </summary>
SleepState = 5
} ;
/// <summary>
/// The start/stop state of the drive
/// </summary>
public enum StartState
{
/// <summary>
/// Stop the disk
/// </summary>
StopDisk = 0,
/// <summary>
/// Start the disk
/// </summary>
StartDisk = 1,
/// <summary>
/// Eject the disk
/// </summary>
EjectDisk = 2,
/// <summary>
/// Load the disk
/// </summary>
LoadDisk = 3
} ;
#endregion
#region Public Properties
/// <summary>
/// This property, if true, supresses any sense error messages about long writes
/// in progress. This is done because this error is a normal part of the burn
/// process
/// </summary>
public bool DontDisplayIgnoreLongWriteInProgress
{
get
{
return m_ignore_long_write_error;
}
set
{
m_ignore_long_write_error = value;
}
}
/// <summary>
/// Returns TRUE if the sense information contains information about the
/// progress of the current operation
/// </summary>
public bool HasSenseProgressInformation
{
get
{
if (m_sense_info == null)
return false;
return (m_sense_info[15] & 0x80) != 0;
}
}
/// <summary>
/// The raw progress information from the sense information
/// </summary>
public ushort ProgressInformation
{
get
{
return (ushort)(m_sense_info[16] << 8 | m_sense_info[17]);
}
}
/// <summary>
/// The maximum transfer length for this SCSI device on this SCSI channel
/// </summary>
public int MaximumTransferLength
{
get
{
return m_MaximumTransferLength;
}
}
/// <summary>
/// This property returns true if the current sense error is a write protect error
/// </summary>
public bool IsWriteProtectError
{
get { return this.GetSenseAsc() == 0x27 && this.GetSenseAscq() == 0; }
}
/// <summary>
/// If TRUE, log sense state
/// </summary>
public bool LogSenseState;
#endregion
#region Private Functions
/// <summary>
/// Format error message using sense code.
/// </summary>
/// <returns></returns>
public string GetErrorString()
{
string res = messages.GetString(string.Format("SCSISenseKey_{0:X2}", (int)this.GetSenseKey())) ?? this.GetSenseKey().ToString();
if (this.GetSenseKey() == SenseKeyType.NoSense)
return res;
return res + ": " + Device.LookupSenseError(this.GetSenseAsc(), this.GetSenseAscq());
}
/// <summary>
/// Return a string associated with the ASC/ASCQ bytes
/// </summary>
/// <param name="asc">the sense ASC value, see the SCSI spec</param>
/// <param name="ascq">the sense ASCQ value, see the SCSI spec</param>
/// <returns>a string representing the error codes given by ASC and ASCQ</returns>
public static string LookupSenseError(byte asc, byte ascq)
{
string res = messages.GetString(string.Format("SCSIErrorMessage_{0:X2}{1:X2}", asc, ascq));
if (res != null)
return res;
string msg = messages.GetString("UnknownSCSIError") ?? "Unknown SCSI Error";
return msg + " ASC=" + asc.ToString("X2") + ", ASCQ=" + ascq.ToString("X2");
}
/// <summary>
/// Send the sense information to the logger
/// </summary>
private void LogSenseInformation(Command cmd)
{
if (m_ignore_long_write_error && IsLongWriteInProgress(GetSenseAsc(), GetSenseAscq()))
return;
if (m_logger != null && LogSenseState)
{
int len = GetSenseLength();
int offset = 0;
int line = 0;
UserMessage m;
string str;
Logger logger = GetLogger();
str = "SCSI Operation Failed: " ;
str += LookupSenseError(GetSenseAsc(), GetSenseAscq()) ;
m = new UserMessage(UserMessage.Category.Error, 0, str);
m_logger.LogMessage(m);
str = " SenseKey = " + GetSenseKey().ToString("X");
m = new UserMessage(UserMessage.Category.Error, 0, str);
m_logger.LogMessage(m);
str = " SenseAsc = " + GetSenseAsc().ToString("X");
m = new UserMessage(UserMessage.Category.Error, 0, str);
m_logger.LogMessage(m);
str = " SenseAscq = " + GetSenseAscq().ToString("X");
m = new UserMessage(UserMessage.Category.Error, 0, str);
m_logger.LogMessage(m);
while (offset < len)
{
line = 0;
str = " SenseData:";
while (offset < len && line < 8)
{
str += " " + GetSenseByte(offset++).ToString("X2");
line++;
}
m = new UserMessage(UserMessage.Category.Error, 0, str);
logger.LogMessage(m);
}
if (GetSenseAsc() == 0x24 && GetSenseAscq() == 0x00)
{
// This is invalid field in CDB, so dump the CDB to the log
str = "INVALID CDB:";
for (byte i = 0; i < cmd.GetCDBLength(); i++)
{
byte b = cmd.GetCDB(i);
str += " " + b.ToString("X");
}
m = new UserMessage(UserMessage.Category.Error, 0, str);
m_logger.LogMessage(m);
}
}
}
private CommandStatus SendCommand(Command cmd)
{
return (m_ossize == 32) ? SendCommand32(cmd) : SendCommand64(cmd);
}
private CommandStatus SendCommand64(Command cmd)
{
SCSI_PASS_THROUGH_DIRECT64 f = new SCSI_PASS_THROUGH_DIRECT64();
f.Length = m_scsi_request_size_64;
f.CdbLength = (byte)cmd.GetCDBLength();
f.DataIn = 0;
if (cmd.Direction == Command.CmdDirection.In)
f.DataIn = 1;
f.DataTransferLength = (uint)cmd.BufferSize;
f.TimeOutValue = (uint)cmd.TimeOut;
for (byte i = 0; i < f.CdbLength; i++)
f.CdbData[i] = cmd.GetCDB(i);
f.SenseInfoOffset = 56;
f.SenseInfoLength = 24;
uint total = (uint)Marshal.SizeOf(f);
uint ret = 0;
// Set the buffer field
f.DataBuffer = cmd.GetBuffer();
// Send through ioctl field
IntPtr pt = new IntPtr(&f);
if (!Control(IOCTL_SCSI_PASS_THROUGH_DIRECT, pt, total, pt, total, ref ret, IntPtr.Zero))
{
string str ;
str = "IOCTL_SCSI_PASS_THROUGH_DIRECT failed - " + Win32ErrorToString(LastError);
m_logger.LogMessage(new UserMessage(UserMessage.Category.Error, 0, str));
return CommandStatus.IoctlFailed;
}
m_scsi_status = f.ScsiStatus;
if (f.SenseInfoLength != 0)
{
m_sense_info = new byte[f.SenseInfoLength];
for (int i = 0; i < f.SenseInfoLength; i++)
m_sense_info[i] = f.SenseInfo[i];
}
else
m_sense_info = null;
if (m_scsi_status != 0)
{
LogSenseInformation(cmd);
return CommandStatus.DeviceFailed;
}
return CommandStatus.Success;
}
private CommandStatus SendCommand32(Command cmd)
{
SCSI_PASS_THROUGH_DIRECT32 f = new SCSI_PASS_THROUGH_DIRECT32();
f.Length = m_scsi_request_size_32;
f.CdbLength = (byte)cmd.GetCDBLength();
f.DataIn = 0;
if (cmd.Direction == Command.CmdDirection.In)
f.DataIn = 1;
f.DataTransferLength = (uint)cmd.BufferSize;
f.TimeOutValue = (uint)cmd.TimeOut;
for (byte i = 0; i < f.CdbLength; i++)
f.CdbData[i] = cmd.GetCDB(i);
f.SenseInfoOffset = 48;
f.SenseInfoLength = 24;
uint total = (uint)Marshal.SizeOf(f);
uint ret = 0;
// Set the buffer field
f.DataBuffer = cmd.GetBuffer();
// Send through ioctl field
IntPtr pt = new IntPtr(&f);
if (!Control(IOCTL_SCSI_PASS_THROUGH_DIRECT, pt, total, pt, total, ref ret, IntPtr.Zero))
{
string str ;
str = "IOCTL_SCSI_PASS_THROUGH_DIRECT failed - " + Win32ErrorToString(LastError);
m_logger.LogMessage(new UserMessage(UserMessage.Category.Error, 0, str));
return CommandStatus.IoctlFailed;
}
m_scsi_status = f.ScsiStatus;
if (f.SenseInfoLength != 0)
{
m_sense_info = new byte[f.SenseInfoLength];
for (int i = 0; i < f.SenseInfoLength; i++)
m_sense_info[i] = f.SenseInfo[i];
}
else
m_sense_info = null;
if (m_scsi_status != 0)
{
LogSenseInformation(cmd);
return CommandStatus.DeviceFailed;
}
return CommandStatus.Success;
}
void QueryBufferSize()
{
IO_SCSI_CAPABILITIES f = new IO_SCSI_CAPABILITIES();
f.Length = 23;
uint ret = 0;
IntPtr pt = new IntPtr(&f);
uint total = (uint)Marshal.SizeOf(f);
if (Control(IOCTL_SCSI_GET_CAPABILITIES, pt, total, pt, total, ref ret, IntPtr.Zero))
{
if (f.MaximumTransferLength > Int32.MaxValue)
m_MaximumTransferLength = Int32.MaxValue;
else
m_MaximumTransferLength = (int)f.MaximumTransferLength;
if (m_MaximumTransferLength > 56 * 2048)
m_MaximumTransferLength = 56 * 2048;
}
else
{
//
// This is hardcoded for now because it works, until I can figure out
// how to query devices for the maximum amount of data that can be transferred
// at one time.
//
m_MaximumTransferLength = 26 * 2048;
}
}
#endregion
static global::System.Resources.ResourceManager messages;
#region constructor
/// <summary>
///
/// </summary>
public Device(Logger l)
{
m_logger = l;
LogSenseState = true;
IntPtr p = new IntPtr();
if (Marshal.SizeOf(p) == 4)
m_ossize = 32;
else
m_ossize = 64;
// m_logger.LogMessage(new UserMessage(UserMessage.Category.Info, 0, "Operating System Size: " + m_ossize.ToString()));
}
static Device()
{
messages = new global::System.Resources.ResourceManager("Bwg.Scsi.Messages", typeof(Device).Assembly);
}
#endregion
#region Public Functions
/// <summary>
/// This static method returns true if the error given by the ASC and ASCQ values
/// indicate a long write in progress
/// </summary>
/// <param name="asc"></param>
/// <param name="ascq"></param>
/// <returns></returns>
public static bool IsLongWriteInProgress(byte asc, byte ascq)
{
return asc == 0x04 && ascq == 0x08 ;
}
/// <summary>
/// Open the SCSI device
/// </summary>
/// <param name="name">name of the SCSI device</param>
/// <returns>true if the open succeeded</returns>
public override bool Open(string name)
{
if (!base.Open(name))
return false;
QueryBufferSize();
return true;
}
/// <summary>
///
/// </summary>
/// <param name="letter"></param>
/// <returns></returns>
public override bool Open(char letter)
{
if (!base.Open(letter))
return false ;
QueryBufferSize();
return true;
}
/// <summary>
/// This method return TRUE if the current SENSE error is the one given by the
/// two parameters to the function
/// </summary>
/// <param name="asc"></param>
/// <param name="ascq"></param>
/// <returns></returns>
public bool IsScsiError(byte asc, byte ascq)
{
return GetSenseAsc() == asc && GetSenseAscq() == ascq;
}
/// <summary>
/// This function resets the device.
/// </summary>
/// <returns>true, if the reset was sucessful, false otherwise</returns>
public bool Reset()
{
//
// How do I reset a driver that is speaking pass through SCSI? It might be
// an IDE drive, SCSI drive, USB drive, or Fireware drive.
//
return true;
}
/// <summary>
/// Get the logger from the device
/// </summary>
/// <returns>The logger object</returns>
public Logger GetLogger()
{
return m_logger;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public int GetSenseLength()
{
if (m_sense_info == null)
return 0;
return m_sense_info.GetLength(0);
}
/// <summary>
///
/// </summary>
/// <param name="addr"></param>
/// <returns></returns>
public byte GetSenseByte(int addr)
{
return m_sense_info[addr];
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public byte GetScsiStatus()
{
return m_scsi_status;
}
/// <summary>
/// Get the ASC byte from the sense information
/// </summary>
/// <returns>asc byte</returns>
public byte GetSenseAsc()
{
return m_sense_info[12];
}
/// <summary>
/// Get the ASCQ byte from the sense information
/// </summary>
/// <returns>ascq byte</returns>
public byte GetSenseAscq()
{
return m_sense_info[13];
}
/// <summary>
/// Get the 32 bits of sense information (offset 3)
/// </summary>
/// <returns>sense information</returns>
public uint GetSenseInformation()
{
return (uint)((m_sense_info[3] << 24) | (m_sense_info[4] << 16) | (m_sense_info[5] << 8) | m_sense_info[6]);
}
/// <summary>
/// Get the 32 bits of command specific information (offset 8)
/// </summary>
/// <returns>command specific sense information</returns>
public uint GetSenseCommandSpecificInformation()
{
return (uint)((m_sense_info[8] << 24) | (m_sense_info[9] << 16) | (m_sense_info[10] << 8) | m_sense_info[11]);
}
/// <summary>
/// This method returns the sense key for the sense information
/// </summary>
/// <returns>The SenseKeyType value that indicates the sense key for the sense information</returns>
public SenseKeyType GetSenseKey()
{
return (SenseKeyType)(m_sense_info[2] & 0x0f);
}
#endregion
#region SCSI Commands
/// <summary>
/// This function blanks a portion of the CD or DVD that is in the drive.
/// </summary>
/// <param name="immd"></param>If true, this function returns immediately and the blanking
/// happens in the backgroun. If false, this funtion does not return until the blanking operation
/// is complete
/// <param name="t"></param>The type of blanking operation
/// <param name="addr"></param>The address for the blanking operation if an address is required
/// <returns>
/// Success - the command complete sucessfully
/// IoctlFailed - the windows DeviceIoControl failed, LastError give the Win32 error code
/// DeviceFailed - the device failed the command, the sense information has more data
/// </returns>
public CommandStatus Blank(bool immd, BlankType t, int addr)
{
if (m_logger != null)
{
string args = immd.ToString() + ", " + t.ToString() + ", " + addr.ToString();
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.Blank(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.Blank, 12, 0, Command.CmdDirection.None, 60*30))
{
byte b = (byte)t;
if (immd)
b |= (1 << 4);
cmd.SetCDB8(1, b);
cmd.SetCDB32(2, addr);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
/// This command allows closure of either a track or a session
/// </summary>
/// <param name="immd">If true, return immediately and perform the function in the background</param>
/// <param name="closetype">This parameter indicates the close type, see the SCSI-3 MMC spec for more information</param>
/// <param name="track">For those close types requiring a track number, this is the number, see the SCSI-3 MMC spec for more information</param>
/// <returns></returns>
public CommandStatus CloseTrackSession(bool immd, CloseTrackSessionType closetype, ushort track)
{
if (m_logger != null)
{
string args = immd.ToString() + ", 0x" + closetype.ToString() + ", " + track.ToString();
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.CloseTrackSession(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.CloseTrackSession, 10, 0, Command.CmdDirection.None, 60 * 5))
{
if (immd)
cmd.SetCDB8(1, 1);
cmd.SetCDB8(2, (byte)closetype);
cmd.SetCDB16(4, track) ;
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
/// This function instructs the device to erase blocks on the disk.
/// </summary>
/// <param name="immd">If true, return immediately and perform the function in the background</param>
/// <param name="lba">The starting block address for the erase operation</param>
/// <param name="count">The number of blocks to erase. If this count is zero, the ERA bit is set in the SCSI erase request</param>
/// <returns></returns>
public CommandStatus Erase(bool immd, uint lba, ushort count)
{
if (m_logger != null)
{
string args = immd.ToString() + ", " + lba.ToString() + ", " + count.ToString();
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.Erase(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.Erase, 10, 0, Command.CmdDirection.None, 60 * 30))
{
byte b = 0;
if (immd)
b |= 0x02;
if (count == 0)
b |= 0x04;
cmd.SetCDB8(1, b);
cmd.SetCDB32(2, lba);
cmd.SetCDB16(7, count);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
/// This method sends the format unit command down to the SCSI device.
/// </summary>
/// <returns></returns>
public CommandStatus FormatUnit(FormatParameterList plist)
{
if (m_logger != null)
{
string args = "plist" ;
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.FormatUnit(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.FormatUnit, 6, (ushort)plist.Size, Command.CmdDirection.Out, 60*60))
{
cmd.SetCDB8(1, 0x11);
plist.FormatToMemory(cmd.GetBuffer());
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <param name="type"></param>
/// <param name="start"></param>
/// <param name="result"></param>
/// <returns></returns>
public CommandStatus GetConfiguration(GetConfigType type, ushort start, out FeatureList result)
{
if (m_logger != null)
{
string args = type.ToString() + ", " + start.ToString() + ", out result";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.GetConfiguration(" + args + ")"));
}
uint len = 0;
result = null;
if (type == GetConfigType.Reserved)
throw new Exception("cannot use reserved value") ;
using (Command cmd = new Command(ScsiCommandCode.GetConfiguration, 10, 8, Command.CmdDirection.In, 10))
{
cmd.SetCDB8(1, (byte)type);
cmd.SetCDB16(2, start);
cmd.SetCDB16(7, 8);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer32(0);
len += 4; // Add four for the length field
}
using (Command cmd = new Command(ScsiCommandCode.GetConfiguration, 10, (ushort)len, Command.CmdDirection.In, 10))
{
cmd.SetCDB8(1, (byte)type);
cmd.SetCDB16(2, start);
cmd.SetCDB16(7, (ushort)len);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
result = new FeatureList(cmd.GetBuffer(), cmd.BufferSize);
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <param name="polled"></param>
/// <param name="request"></param>
/// <param name="result"></param>
/// <returns></returns>
public CommandStatus GetEventStatusNotification(bool polled, NotificationClass request, out EventStatusNotification result)
{
if (m_logger != null)
{
string args = polled.ToString() + ", " + request.ToString() + ", out result";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.GetEventStatusNotification(" + args + ")"));
}
ushort len = 0;
result = null;
using (Command cmd = new Command(ScsiCommandCode.GetEventStatusNotification, 10, 4, Command.CmdDirection.In, 10))
{
if (polled)
cmd.SetCDB8(1, 1);
cmd.SetCDB8(4, (byte)request);
cmd.SetCDB16(7, 4);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
byte n = cmd.GetBuffer8(2);
if ((n & 0x80) != 0)
{
// There are no events, just capture the header
result = new EventStatusNotification(cmd.GetBuffer(), cmd.BufferSize);
return CommandStatus.Success;
}
//
// There are event notifications to be grabbed, allocate space for these
//
len = cmd.GetBuffer16(0);
len += 4; // For the length field
}
using (Command cmd = new Command(ScsiCommandCode.GetEventStatusNotification, 10, len, Command.CmdDirection.In, 10))
{
if (polled)
cmd.SetCDB8(1, 1);
cmd.SetCDB8(4, (byte)request);
cmd.SetCDB16(7, len);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
result = new EventStatusNotification(cmd.GetBuffer(), cmd.BufferSize);
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus GetSpeed(out SpeedDescriptorList list)
{
ushort initial_size = 8 + 4 * 16;
list = null;
if (m_logger != null)
{
string args = string.Empty;
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.GetWriteSpeed(" + args + ")"));
}
uint len = 0;
using (Command cmd = new Command(ScsiCommandCode.GetPerformance, 12, initial_size, Command.CmdDirection.In, 10 * 60))
{
cmd.SetCDB16(8, (ushort)((initial_size - 8) / 16));
cmd.SetCDB8(10, 3);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer32(0);
len += 4; // For the length field
}
using (Command cmd = new Command(ScsiCommandCode.GetPerformance, 12, (ushort)len, Command.CmdDirection.In, 10 * 60))
{
cmd.SetCDB16(8, (ushort)((len - 8) / 16));
cmd.SetCDB8(10, 3);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
list = new SpeedDescriptorList(cmd.GetBuffer(), cmd.BufferSize);
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus GetPerformance(uint lba, PerformanceList.DataType rwtype, PerformanceList.ExceptType extype, out PerformanceList list)
{
list = null;
if (m_logger != null)
{
string args = rwtype.ToString() + ", " + extype.ToString() + ", list";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.GetPerformance(" + args + ")"));
}
uint len = 0;
using (Command cmd = new Command(ScsiCommandCode.GetPerformance, 12, 24, Command.CmdDirection.In, 10))
{
byte b = 0x10;
if (rwtype == PerformanceList.DataType.WriteData)
b |= 0x04 ;
b |= (byte)extype;
cmd.SetCDB8(1, b);
cmd.SetCDB16(8, 1);
if (extype == PerformanceList.ExceptType.Entire)
cmd.SetCDB32(2, lba);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer32(0);
len += 4; // For the length field
}
using (Command cmd = new Command(ScsiCommandCode.GetPerformance, 12, (ushort)len, Command.CmdDirection.In, 10))
{
byte b = 0x10;
if (rwtype == PerformanceList.DataType.WriteData)
b |= 0x04;
b |= (byte)extype;
cmd.SetCDB8(1, b);
if (extype == PerformanceList.ExceptType.Entire)
cmd.SetCDB32(2, lba);
cmd.SetCDB16(8, (ushort)((len - 8) / 16));
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
list = new PerformanceList(cmd.GetBuffer(), cmd.BufferSize);
}
return CommandStatus.Success;
}
/// <summary>
/// Perform a SCSI inquiry on the device to get information about the device
/// </summary>
/// <param name="result">The return value describing the inquiry results</param>
/// <returns></returns>
public CommandStatus Inquiry(out InquiryResult result)
{
if (m_logger != null)
{
string args = "out result";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.Inquiry(" + args + ")"));
}
result = null;
byte len = 0;
using (Command cmd = new Command(ScsiCommandCode.Inquiry, 6, 36, Command.CmdDirection.In, 10))
{
cmd.SetCDB16(3, 36);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer8(4);
len += 5;
if (len <= cmd.BufferSize)
{
result = new InquiryResult(cmd.GetBuffer(), len);
if (m_logger != null)
m_logger.DumpBuffer(9, "Raw Inquiry Result", cmd.GetBuffer(), len);
return CommandStatus.Success;
}
//
// As an oddity, the Sony DW-G120A only supports requests that are an even number
// of bytes.
//
if ((len % 2) == 1)
len = (byte)((len / 2 * 2) + (((len % 2) == 1) ? 2 : 0));
}
using (Command cmd = new Command(ScsiCommandCode.Inquiry, 6, len, Command.CmdDirection.In, 100))
{
cmd.SetCDB8(4, len);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
result = new InquiryResult(cmd.GetBuffer(), cmd.BufferSize);
if (m_logger != null)
m_logger.DumpBuffer(9, "Raw Inquiry Result", cmd.GetBuffer(), cmd.BufferSize);
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <param name="immd"></param>
/// <param name="action"></param>
/// <param name="slot"></param>
/// <returns></returns>
public CommandStatus LoadUnloadMedium(bool immd, LoadUnload action, byte slot)
{
if (m_logger != null)
{
string args = immd.ToString() + ", " + action.ToString() + ", " + slot.ToString();
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.LoadUnloadMedium(" + args + ")"));
}
if (action == LoadUnload.Reserved)
throw new Exception("invalid action - cannot use reserved value");
using (Command cmd = new Command(ScsiCommandCode.LoadUnloadMedium, 12, 0, Command.CmdDirection.None, 60 * 5))
{
if (immd)
cmd.SetCDB8(1, 1);
cmd.SetCDB8(4, (byte)action);
cmd.SetCDB8(8, slot);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus MechanismStatus()
{
if (m_logger != null)
{
string args = "NOT IMPLEMENTED";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.MechanismStatus(" + args + ")"));
}
return CommandStatus.NotSupported;
}
/// <summary>
///
/// </summary>
/// <param name="save"></param>
/// <param name="table"></param>
/// <returns></returns>
public CommandStatus ModeSelect(bool save, ModeTable table)
{
if (m_logger != null)
{
string t = "";
for (int i = 0; i < table.Pages.Count; i++)
{
if (t.Length > 0)
t += ", ";
t = t + table.Pages[i].PageCode;
}
string args = save.ToString() + ", ModeTable(" + t + ")";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ModeSelect(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.ModeSelect, 10, table.Size, Command.CmdDirection.Out, 60 * 5))
{
byte b = 0x10;
if (save)
b |= 0x01;
cmd.SetCDB8(1, b);
cmd.SetCDB16(7, table.Size);
table.Format(cmd.GetBuffer());
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <param name="pc"></param>
/// <param name="page"></param>
/// <param name="table"></param>
/// <returns></returns>
public CommandStatus ModeSense(PageControl pc, byte page, out ModeTable table)
{
if (m_logger != null)
{
string args = pc.ToString() + ", " + page.ToString() + ", out result";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ModeSense(" + args + ")"));
}
ushort len = 0;
table = null;
byte b = 0;
b |= (byte)((byte)(pc) << 7);
b |= (byte)(page & 0x3f);
using (Command cmd = new Command(ScsiCommandCode.ModeSense, 10, 8, Command.CmdDirection.In, 60 * 5))
{
cmd.SetCDB8(1, 8); // Disable block descriptors
cmd.SetCDB8(2, b);
cmd.SetCDB16(7, 8);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer16(0);
len += 2;
}
using (Command cmd = new Command(ScsiCommandCode.ModeSense, 10, len, Command.CmdDirection.In, 60 * 5))
{
cmd.SetCDB8(1, 8); // Disable block descriptors
cmd.SetCDB8(2, b);
cmd.SetCDB16(7, len);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
table = new ModeTable(cmd.GetBuffer(), cmd.BufferSize);
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <param name="action"></param>
/// <returns></returns>
public CommandStatus PauseResume(PauseResumeAction action)
{
if (m_logger != null)
{
string args = action.ToString();
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.PauseResumeAction(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.PauseResume, 10, 0, Command.CmdDirection.None, 60 * 5))
{
if (action == PauseResumeAction.Resume)
cmd.SetCDB8(8, 1);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
/// This command requests that the SCSI device begins an audio playback operation.
/// </summary>
/// <param name="lba">The starting logical block address for the playback</param>
/// <param name="length">The length of the disk to play</param>
/// <returns></returns>
public CommandStatus PlayAudio(uint lba, uint length)
{
if (m_logger != null)
{
string args = lba.ToString() + ", " + length.ToString();
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.PlayAudio(" + args + ")"));
}
if (length > 65535)
{
using (Command cmd = new Command(ScsiCommandCode.PlayAudio12, 12, 0, Command.CmdDirection.None, 5))
{
cmd.SetCDB32(2, lba);
cmd.SetCDB32(6, length);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
}
else
{
using (Command cmd = new Command(ScsiCommandCode.PlayAudio10, 10, 0, Command.CmdDirection.None, 5))
{
cmd.SetCDB32(2, lba);
cmd.SetCDB16(7, (ushort)length);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <param name="start"></param>
/// <param name="end"></param>
/// <returns></returns>
public CommandStatus PlayAudio(MinuteSecondFrame start, MinuteSecondFrame end)
{
if (m_logger != null)
{
string args = "NOT IMPLEMENTED";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.PlayAudio(" + args + ")"));
}
return CommandStatus.NotSupported;
}
/// <summary>
///
/// </summary>
/// <param name="action"></param>
/// <returns></returns>
public CommandStatus PreventAllowMediumRemoval(PreventAllow action)
{
if (m_logger != null)
{
string args = action.ToString();
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.PreventAllowMediumRemoval(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.PreventAllowMediumRemoval, 6, 0, Command.CmdDirection.None, 60 * 5))
{
cmd.SetCDB8(4, (byte)action);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
/// This method requests that the SCSI device transfer data to the given buffer
/// </summary>
/// <param name="force">If true, the data is forced from the media and cannot be read from the cache</param>
/// <param name="streaming">If true, this is a streaming read</param>
/// <param name="lba">The starting logical address for the data</param>
/// <param name="length">The length of the data to read</param>
/// <param name="data">The data buffer to received the data</param>
/// <returns></returns>
public CommandStatus Read(bool force, bool streaming, uint lba, uint length, ref byte [] data)
{
if (m_logger != null)
{
string args = force.ToString() + ", " + streaming.ToString() + ", " + lba.ToString() + ", " + length.ToString() + ", buffer";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.Read(" + args + ")"));
}
if (streaming || length > 65535)
{
using (Command cmd = new Command(ScsiCommandCode.Read12, 12, (ushort)data.GetLength(0), Command.CmdDirection.In, 5 * 60))
{
if (force)
cmd.SetCDB8(1, 4); // Set the FUA bit
cmd.SetCDB32(2, lba);
cmd.SetCDB32(6, length);
if (streaming)
cmd.SetCDB8(10, 0x80); // Set the streaming bit
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
Marshal.Copy(cmd.GetBuffer(), data, 0, data.GetLength(0));
}
}
else
{
using (Command cmd = new Command(ScsiCommandCode.Read, 10, (ushort)data.GetLength(0), Command.CmdDirection.In, 5 * 60))
{
if (force)
cmd.SetCDB8(1, 4); // Set the FUA bit
cmd.SetCDB32(2, lba);
cmd.SetCDB16(7, (ushort)length);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
Marshal.Copy(cmd.GetBuffer(), data, 0, data.GetLength(0));
}
}
return CommandStatus.Success;
}
/// <summary>
/// Read data from the device into a memory buffer
/// </summary>
/// <param name="force">If true, the data is forced from the media and cannot be read from the cache</param>
/// <param name="streaming">If true, this is a streaming read</param>
/// <param name="lba">The starting logical address for the data</param>
/// <param name="length">The length of the data to read</param>
/// <param name="data">The buffer to receive the data</param>
/// <param name="size">The size of the buffer given by the data parameter</param>
/// <returns></returns>
public CommandStatus Read(bool force, bool streaming, uint lba, uint length, IntPtr data, int size)
{
if (m_logger != null)
{
string args = force.ToString() + ", " + streaming.ToString() + ", " + lba.ToString() + ", " + length.ToString() + ", IntPtr, " + size.ToString();
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.Read(" + args + ")"));
}
if (streaming || length > 65535)
{
using (Command cmd = new Command(ScsiCommandCode.Read12, 12, data, size, Command.CmdDirection.In, 5 * 60))
{
if (force)
cmd.SetCDB8(1, 4);
cmd.SetCDB32(2, lba);
cmd.SetCDB32(6, length);
if (streaming)
cmd.SetCDB8(10, 0x80);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
}
else
{
using (Command cmd = new Command(ScsiCommandCode.Read, 10, data, size, Command.CmdDirection.In, 5 * 60))
{
if (force)
cmd.SetCDB8(1, 4); // Set the FUA bit
cmd.SetCDB32(2, lba);
cmd.SetCDB16(7, (ushort)length);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus ReadBuffer()
{
if (m_logger != null)
{
string args = "NOT IMPLEMENTED";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadBuffer(" + args + ")"));
}
return CommandStatus.NotSupported;
}
/// <summary>
/// This method returns the buffer capacity for the pass through SCSI device.
/// </summary>
/// <param name="blocks">if true, the length and available is given in blocks, otherwise bytes</param>
/// <param name="length">return vaue, the length of the buffer</param>
/// <param name="avail">return value, the available space in the buffer</param>
/// <returns>status of the command</returns>
public CommandStatus ReadBufferCapacity(bool blocks, out int length, out int avail)
{
if (m_logger != null)
{
string args = blocks.ToString() + ", out length, out available";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 9, "Bwg.Scsi.Device.ReadBufferCapacity(" + args + ")"));
}
length = 0;
avail = 0;
using (Command cmd = new Command(ScsiCommandCode.ReadBufferCapacity, 10, 12, Command.CmdDirection.In, 60 * 5))
{
cmd.SetCDB16(7, 12);
if (blocks)
cmd.SetCDB8(1, 1);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
length = (int)cmd.GetBuffer32(4);
avail = (int)cmd.GetBuffer32(8);
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <param name="lba"></param>
/// <param name="blocklen"></param>
/// <returns></returns>
public CommandStatus ReadCapacity(out uint lba, out uint blocklen)
{
if (m_logger != null)
{
string args = "out lba, out blocklen";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadCapacity(" + args + ")"));
}
blocklen = 0;
lba = 0;
using (Command cmd = new Command(ScsiCommandCode.ReadCapacity, 10, 12, Command.CmdDirection.In, 60 * 5))
{
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
lba = cmd.GetBuffer32(0);
blocklen = cmd.GetBuffer32(4);
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <param name="exp"></param>
/// <param name="dap"></param>
/// <param name="start"></param>
/// <param name="length"></param>
/// <param name="data">the memory area </param>
/// <param name="size">the size of the memory area given by the data parameter</param>
/// <returns></returns>
public CommandStatus ReadCD(byte exp, bool dap, uint start, uint length, IntPtr data, int size)
{
if (m_logger != null)
{
string args = exp.ToString() + ", " + dap.ToString() + ", " + start.ToString() + ", " + length.ToString() + ", data, " + size.ToString();
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadCD(" + args + ")"));
}
if (exp != 1 && exp != 2 && exp != 3 && exp != 4 && exp != 5)
return CommandStatus.NotSupported;
using (Command cmd = new Command(ScsiCommandCode.ReadCd, 12, data, size, Command.CmdDirection.In, 5 * 60))
{
byte b = (byte)((exp & 0x07) << 2);
if (dap)
b |= 0x02;
cmd.SetCDB8(1, b);
cmd.SetCDB32(2, start);
cmd.SetCDB24(6, length);
cmd.SetCDB8(9, 0x10); // User data only
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
public enum SubChannelMode
{
/// <summary></summary>
None,
/// <summary>+ 16 bytes</summary>
QOnly,
/// <summary>+ 96 bytes</summary>
RWMode
};
/// <summary>
///
/// </summary>
public enum C2ErrorMode
{
/// <summary></summary>
None,
/// <summary> +294 bytes</summary>
Mode294,
/// <summary> +296 bytes</summary>
Mode296,
};
/// <summary>
///
/// </summary>
public enum MainChannelSelection
{
/// <summary>
///
/// </summary>
None,
/// <summary>
///
/// </summary>
UserData,
/// <summary>
///
/// </summary>
F8h
};
/// <summary>
///
/// </summary>
/// <param name="mainmode">main channel mode</param>
/// <param name="submode">subchannel mode</param>
/// <param name="c2mode">C2 errors report mode</param>
/// <param name="exp">expected sector type</param>
/// <param name="dap"></param>
/// <param name="start"></param>
/// <param name="length"></param>
/// <param name="data">the memory area </param>
/// <param name="timeout">timeout (in seconds)</param>
/// <returns></returns>
public CommandStatus ReadCDAndSubChannel(MainChannelSelection mainmode, SubChannelMode submode, C2ErrorMode c2mode, byte exp, bool dap, uint start, uint length, IntPtr data, int timeout)
{
if (m_logger != null)
{
string args = exp.ToString() + ", " + dap.ToString() + ", " + start.ToString() + ", " + length.ToString() + ", data";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadCD(" + args + ")"));
}
int size = (4 * 588 +
(submode == SubChannelMode.QOnly ? 16 : submode == SubChannelMode.RWMode ? 96 : 0) +
(c2mode == C2ErrorMode.Mode294 ? 294 : c2mode == C2ErrorMode.Mode296 ? 296 : 0)) * (int) length;
byte mode = (byte) (submode == SubChannelMode.QOnly ? 2 : submode == SubChannelMode.RWMode ? 4 : 0);
if (exp != 1 && exp != 2 && exp != 3 && exp != 4 && exp != 5)
return CommandStatus.NotSupported;
using (Command cmd = new Command(ScsiCommandCode.ReadCd, 12, data, size, Command.CmdDirection.In, timeout))
{
byte b = (byte)((exp & 0x07) << 2);
if (dap)
b |= 0x02;
byte byte9 = (byte)(mainmode == MainChannelSelection.UserData ? 0x10 : mainmode == MainChannelSelection.F8h ? 0xF8 : 0);
if (c2mode == C2ErrorMode.Mode294)
byte9 |= 0x02;
else if (c2mode == C2ErrorMode.Mode296)
byte9 |= 0x04;
cmd.SetCDB8(1, b);
cmd.SetCDB32(2, start);
cmd.SetCDB24(6, length);
cmd.SetCDB8(9, byte9); // User data + possibly c2 errors
cmd.SetCDB8(10, mode); // Subchannel
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <param name="submode">subchannel mode</param>
/// <param name="start"></param>
/// <param name="length"></param>
/// <param name="data">the memory area </param>
/// <param name="timeout">timeout (in seconds)</param>
/// <returns></returns>
public CommandStatus ReadCDDA(SubChannelMode submode, uint start, uint length, IntPtr data, int timeout)
{
if (m_logger != null)
{
string args = start.ToString() + ", " + length.ToString() + ", data";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadCDDA(" + args + ")"));
}
byte mode = (byte)(submode == SubChannelMode.QOnly ? 1 : submode == SubChannelMode.RWMode ? 2 : 0);
int size = 4 * 588 + (submode == SubChannelMode.QOnly ? 16 : submode == SubChannelMode.RWMode ? 96 : 0);
using (Command cmd = new Command(ScsiCommandCode.ReadCDDA, 12, data, (int)length * size, Command.CmdDirection.In, timeout))
{
cmd.SetCDB8(1, 0 << 5); // lun
cmd.SetCDB32(2, start);
cmd.SetCDB24(7, length);
cmd.SetCDB8(10, mode); // Subchannel
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
/// Read CD header data from the disk
/// </summary>
/// <param name="sector">the sector number containing the header data to read</param>
/// <param name="hdr">the return data read</param>
/// <returns></returns>
public CommandStatus ReadCD(uint sector, out HeaderData hdr)
{
hdr = null;
if (m_logger != null)
{
string args = sector.ToString() + ", out HeaderData hdr" ;
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadCD(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.ReadCd, 12, 4, Command.CmdDirection.In, 10))
{
cmd.SetCDB32(2, sector);
cmd.SetCDB24(6, 1);
cmd.SetCDB8(9, 0x20); // Header data only
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
hdr = new HeaderData(cmd.GetBuffer(), cmd.BufferSize);
}
return CommandStatus.Success;
}
/// <summary>
/// This method reads subheader CD data from a data mode 2 track
/// </summary>
/// <param name="sector">the sector # of the data to read</param>
/// <param name="hdr">return subheader data</param>
/// <returns></returns>
public CommandStatus ReadCD(uint sector, out SubheaderData hdr)
{
hdr = null ;
if (m_logger != null)
{
string args = sector.ToString() + ", out SubheaderData hdr";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadCD(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.ReadCd, 12, 4, Command.CmdDirection.In, 10))
{
cmd.SetCDB32(2, sector);
cmd.SetCDB24(6, 1);
cmd.SetCDB8(9, 0x40); // Header data only
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
hdr = new SubheaderData(cmd.GetBuffer(), cmd.BufferSize);
}
return CommandStatus.Success;
}
/// <summary>
/// Read the subchannel data from a series of sectors
/// </summary>
/// <param name="sector"></param>
/// <param name="length"></param>
/// <param name="data"></param>
/// <param name="mode">the subchannel mode</param>
/// <param name="timeout">timeout (in seconds)</param>
/// <returns></returns>
public CommandStatus ReadSubChannel(byte mode, uint sector, uint length, ref byte[] data, int timeout)
{
byte bytes_per_sector;
if (m_logger != null)
{
string args = sector.ToString() + ", " + length.ToString() + ", data";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadSubChannel(" + args + ")"));
}
if (mode != 1 && mode != 2 && mode != 4)
throw new Exception("invalid read mode for ReadSubchannel() call");
bytes_per_sector = 96;
if (mode == 2)
bytes_per_sector = 16;
if (data.GetLength(0) < length * bytes_per_sector)
throw new Exception("data buffer is not large enough to hold the data requested");
using (Command cmd = new Command(ScsiCommandCode.ReadCd, 12, (int)(length * bytes_per_sector), Command.CmdDirection.In, timeout))
{
byte b = (byte)(1 << 2);
cmd.SetCDB8(1, b);
cmd.SetCDB32(2, sector); // The sector number to start with
cmd.SetCDB24(6, length); // The length in sectors
cmd.SetCDB8(10, mode); // Corrected, de-interleaved P - W data
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
Marshal.Copy(cmd.GetBuffer(), data, 0, (int)(length * bytes_per_sector));
}
return CommandStatus.Success ;
}
/// <summary>
/// Read the subchannel data from a series of sectors
/// </summary>
/// <param name="mode">subchannel mode</param>
/// <param name="track">track number</param>
/// <param name="data">output buffer</param>
/// <param name="offs">output buffer offset</param>
/// <param name="timeout">timeout (in seconds)</param>
/// <returns></returns>
public CommandStatus ReadSubChannel42(byte mode, int track, ref byte[] data, int offs, int timeout)
{
if (m_logger != null)
{
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadSubChannel42()"));
}
if (mode != 1 && mode != 2 && mode != 3)
throw new Exception("invalid read mode for ReadSubchannel42() call");
int size = mode == 1 ? 16 : 24;
if (offs + data.GetLength(0) < size)
throw new Exception("data buffer is not large enough to hold the data requested");
using (Command cmd = new Command(ScsiCommandCode.ReadSubChannel, 10, size, Command.CmdDirection.In, timeout))
{
// 42 00 40 01 00 00 00 00 10 00
//cmd.SetCDB8(1, 2); // MSF
cmd.SetCDB8(2, 64); // SUBQ
cmd.SetCDB8(3, mode);
cmd.SetCDB8(6, (byte)track);
cmd.SetCDB16(7, (ushort)size);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
Marshal.Copy(cmd.GetBuffer(), data, offs, size);
}
return CommandStatus.Success;
}
/// <summary>
/// Read the CD text information from the leadin using the ReadTocPmaAtip command form
/// </summary>
/// <param name="data"></param>
/// <param name="_timeout"></param>
/// <returns></returns>
public CommandStatus ReadCDText(out byte [] data, int _timeout)
{
ushort len;
if (m_logger != null)
{
string args = "info";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadCDText(" + args + ")"));
}
data = null;
using (Command cmd = new Command(ScsiCommandCode.ReadTocPmaAtip, 10, 4, Command.CmdDirection.In, _timeout))
{
cmd.SetCDB8(2, 5); // CDText info in leadin
cmd.SetCDB16(7, 4);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer16(0);
len += 2;
if (len <= 4)
{
data = new byte[len];
Marshal.Copy(cmd.GetBuffer(), data, 0, len);
return CommandStatus.Success;
}
}
using (Command cmd = new Command(ScsiCommandCode.ReadTocPmaAtip, 10, len, Command.CmdDirection.In, _timeout))
{
cmd.SetCDB8(2, 5); // CDText info in leadin
cmd.SetCDB16(7, len);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
data = new byte[len];
Marshal.Copy(cmd.GetBuffer(), data, 0, len);
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus ReadDiskInformation(out DiskInformation result)
{
if (m_logger != null)
{
string args = "out result";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadDiskInformation(" + args + ")"));
}
ushort len = 0;
result = null;
using (Command cmd = new Command(ScsiCommandCode.ReadDiskInformation, 10, 34, Command.CmdDirection.In, 60))
{
cmd.SetCDB16(7, 34);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer16(0);
if (len <= 34)
{
result = new DiskInformation(cmd.GetBuffer(), cmd.BufferSize);
return CommandStatus.Success;
}
len += 2;
}
using (Command cmd = new Command(ScsiCommandCode.ReadDiskInformation, 10, len, Command.CmdDirection.In, 60))
{
cmd.SetCDB16(7, len);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
result = new DiskInformation(cmd.GetBuffer(), cmd.BufferSize);
}
return CommandStatus.Success;
}
/// <summary>
/// Return the AACS Volume Identifier as a series of bytes
/// </summary>
/// <param name="data">the AACS volume identifier</param>
/// <returns>status of command execution</returns>
public CommandStatus ReadDiskStructureAACSVolumeIdentifier(out byte [] data)
{
return ReadDiskStructureReturnBytes(0x80, out data);
}
/// <summary>
/// Return the AACS media serial number
/// </summary>
/// <param name="data">the media serial number</param>
/// <returns>status of command execution</returns>
public CommandStatus ReadDiskStructureAACSMediaSerialNumber(out byte[] data)
{
return ReadDiskStructureReturnBytes(0x81, out data);
}
/// <summary>
/// This method reads the PAC data for a blu-ray disk
/// </summary>
/// <param name="pacid">the pac id of the pac to read</param>
/// <param name="pacfmt">the format of the pac to read</param>
/// <param name="data">return storage for the pac data</param>
/// <returns></returns>
public CommandStatus ReadDiskStructurePac(uint pacid, byte pacfmt, out byte [] data)
{
data = null;
if (m_logger != null)
{
string args = "out byte[] data";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadDvdStructurePac(" + args + ")"));
}
ushort len = 4;
using (Command cmd = new Command(ScsiCommandCode.ReadDvdStructure, 12, len, Command.CmdDirection.In, 60))
{
cmd.SetCDB24(2, pacid);
cmd.SetCDB8(6, pacfmt);
cmd.SetCDB8(7, 0x30); // Read PAC data
cmd.SetCDB16(8, len);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = (ushort)(cmd.GetBuffer16(0) + 2);
if (len == 2)
{
data = new byte[0];
return CommandStatus.Success;
}
Debug.Assert(len < 8192);
}
using (Command cmd = new Command(ScsiCommandCode.ReadDvdStructure, 12, len, Command.CmdDirection.In, 60))
{
cmd.SetCDB24(2, pacid);
cmd.SetCDB8(6, pacfmt);
cmd.SetCDB8(7, 0x30); // Read manufacturing information
cmd.SetCDB16(8, len); // Up to 2k of data
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = (ushort)(cmd.GetBuffer16(0) + 2);
data = new byte[len];
Marshal.Copy(cmd.GetBuffer(), data, 0, len);
}
return CommandStatus.Success;
}
/// <summary>
/// Return the data from a ReadDvdStructure request as a series of bytes.
/// </summary>
/// <param name="format">the format of the read dvd structure request</param>
/// <param name="data">the AACS volume identifier</param>
/// <returns>status of command execution</returns>
private CommandStatus ReadDiskStructureReturnBytes(byte format, out byte[] data)
{
data = null;
if (m_logger != null)
{
string args = "out byte[] data";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadDvdStructureAACSVolumeIdentifier(" + args + ")"));
}
ushort len = 4;
using (Command cmd = new Command(ScsiCommandCode.ReadDvdStructure, 12, len, Command.CmdDirection.In, 60))
{
cmd.SetCDB8(7, format); // Read manufacturing information
cmd.SetCDB16(8, len); // Up to 2k of data
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer16(0);
if (len == 0)
{
data = new byte[0];
return CommandStatus.Success;
}
Debug.Assert(len < 8192);
}
using (Command cmd = new Command(ScsiCommandCode.ReadDvdStructure, 12, len, Command.CmdDirection.In, 60))
{
cmd.SetCDB8(7, format); // Read manufacturing information
cmd.SetCDB16(8, len); // Up to 2k of data
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer16(0);
data = new byte[len];
Marshal.Copy(cmd.GetBuffer(), data, 0, len);
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus ReadDiskStructure(uint addr, byte layer, byte format, ref byte [] data)
{
if (m_logger != null)
{
string args = string.Empty;
args += "addr=" + addr.ToString();
args += ", layer=" + layer.ToString();
args += ", format=" + format.ToString();
args += "ref byte[] data";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadDvdStructure(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.ReadDvdStructure, 12, 2048, Command.CmdDirection.In, 60))
{
cmd.SetCDB32(2, addr) ; // Address = 0
cmd.SetCDB8(6, layer); // Layer number = 0
cmd.SetCDB8(7, format); // Read manufacturing information
cmd.SetCDB16(8, 2048); // Up to 2k of data
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
int len = data.GetLength(0);
if (len > 2048)
len = 2048;
Marshal.Copy(cmd.GetBuffer(), data, 0, len);
}
return CommandStatus.Success;
}
/// <summary>
/// Query the media for the spare sectors available
/// </summary>
/// <param name="primary">the number of primary spare sectors available</param>
/// <param name="sec_avail">the number of secondary spare sectors available</param>
/// <param name="sec_total">the number of secondary spare sectors total</param>
/// <returns></returns>
public CommandStatus ReadDVDRamSpareAreaInfo(out uint primary, out uint sec_avail, out uint sec_total)
{
primary = 0;
sec_avail = 0;
sec_total = 0;
if (m_logger != null)
{
string args = "out primary, out sec_avail, out sec_total";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadDVDRamSpareAreaInfo(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.ReadDvdStructure, 12, 2048, Command.CmdDirection.In, 60))
{
cmd.SetCDB8(7, 0x0a); // Read manufacturing information
cmd.SetCDB16(8, 16); // Up to 2k of data
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
primary = cmd.GetBuffer32(4);
sec_avail = cmd.GetBuffer32(8);
sec_total = cmd.GetBuffer32(12);
}
return CommandStatus.Success;
}
/// <summary>
/// Returns the size of layer 0 for DL media (DVD+R DL and DVD-R DL)
/// </summary>
/// <param name="isfixed">return value, if true size of L0 is changable</param>
/// <param name="size">return value, the current size of L0</param>
/// <returns>status of the command</returns>
public CommandStatus ReadDvdLayer0Size(out bool isfixed, out uint size)
{
if (m_logger != null)
{
string args = "ReadDvdLayer0Size, out bool isfixed, out uint size";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadDvdStructure(" + args + ")"));
}
size = 0;
isfixed = false;
using (Command cmd = new Command(ScsiCommandCode.ReadDvdStructure, 12, 12, Command.CmdDirection.In, 5 * 60))
{
cmd.SetCDB8(7, 0x20); // Read manufacturing information
cmd.SetCDB8(8, 12);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
if ((cmd.GetBuffer8(4) & 0x80) != 0)
isfixed = true;
size = cmd.GetBuffer32(8);
}
return CommandStatus.Success;
}
/// <summary>
/// Returns the start address of the Layer 0 middle zone (DVD+R DL, DVD-R DL)
/// </summary>
/// <param name="isfixed">return value, if true, the middle zone start is changeable</param>
/// <param name="location">return value, the location of the L0 middle zone</param>
/// <returns>status of the command</returns>
public CommandStatus ReadDvdMiddleZoneStartAddr(out bool isfixed, out uint location)
{
if (m_logger != null)
{
string args = "ReadDvdMiddleZoneStartAddr, out bool isfixed, out uint size";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadDvdStructure(" + args + ")"));
}
location = 0;
isfixed = false;
using (Command cmd = new Command(ScsiCommandCode.ReadDvdStructure, 12, 12, Command.CmdDirection.In, 5 * 60))
{
cmd.SetCDB8(7, 0x21);
cmd.SetCDB8(8, 12);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
if ((cmd.GetBuffer8(4) & 0x80) != 0)
isfixed = true;
location = cmd.GetBuffer32(8);
}
return CommandStatus.Success;
}
/// <summary>
/// Reads the jump interval size (DVD-R DL)
/// </summary>
/// <param name="size">return value, the size of the jump interval</param>
/// <returns>status of the command</returns>
public CommandStatus ReadDvdJumpIntervalSize(out uint size)
{
if (m_logger != null)
{
string args = "ReadDvdJumpIntervalSize, out uint size";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadDvdStructure(" + args + ")"));
}
size = 0;
using (Command cmd = new Command(ScsiCommandCode.ReadDvdStructure, 12, 12, Command.CmdDirection.In, 5 * 60))
{
cmd.SetCDB8(7, 0x22);
cmd.SetCDB8(8, 12);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
size = cmd.GetBuffer32(8);
}
return CommandStatus.Success;
}
/// <summary>
/// Returs the manual jump address for the media (DVD-R DL)
/// </summary>
/// <param name="addr">return value, the jump address</param>
/// <returns>the command status</returns>
public CommandStatus ReadDvdManualLayerJumpAddress(out uint addr)
{
if (m_logger != null)
{
string args = "ReadDvdManualLayerJumpAddress, out uint size";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadDvdStructure(" + args + ")"));
}
addr = 0;
using (Command cmd = new Command(ScsiCommandCode.ReadDvdStructure, 12, 12, Command.CmdDirection.In, 5 * 60))
{
cmd.SetCDB8(7, 0x23);
cmd.SetCDB8(8, 12);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
addr = cmd.GetBuffer32(8);
}
return CommandStatus.Success;
}
/// <summary>
/// This method returns the remapping address (DVD-R DL(
/// </summary>
/// <param name="location">the remapping address</param>
/// <returns>the command status</returns>
public CommandStatus ReadDvdRemappingAddress(out uint location)
{
if (m_logger != null)
{
string args = "ReadDvdRemappingAddress, out uint size";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadDvdStructure(" + args + ")"));
}
location = 0;
using (Command cmd = new Command(ScsiCommandCode.ReadDvdStructure, 12, 12, Command.CmdDirection.In, 5 * 60))
{
cmd.SetCDB8(7, 0x24);
cmd.SetCDB8(8, 12);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
location = cmd.GetBuffer32(8);
}
return CommandStatus.Success;
}
/// <summary>
/// Send the layer boundary information to the drive.
/// </summary>
/// <param name="boundary">the location of the boundary between layers in blocks</param>
/// <returns>the status of the command</returns>
public CommandStatus SendDvdLayerBoundaryInformation(uint boundary)
{
if (m_logger != null)
{
string args = "SendDvdLayerBoundaryInformation, boundary=" + boundary.ToString();
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.SendDvdStructure(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.SendDvdStructure, 12, 12, Command.CmdDirection.Out, 5 * 60))
{
cmd.SetCDB8(7, 0x20);
cmd.SetCDB16(8, 12);
cmd.SetBuffer16(0, 10);
cmd.SetBuffer32(8, boundary);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus ReadFormatCapacities(bool all, out IList<CapacityDescriptor> caplist)
{
caplist = new List<CapacityDescriptor>();
if (m_logger != null)
{
string args = all.ToString() + ", out caplist";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadFormatCapacities(" + args + ")"));
}
int len;
using (Command cmd = new Command(ScsiCommandCode.ReadFormatCapacities, 10, 8, Command.CmdDirection.In, 60))
{
cmd.SetCDB16(7, 8);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer8(3) + 4;
}
using (Command cmd = new Command(ScsiCommandCode.ReadFormatCapacities, 10, len, Command.CmdDirection.In, 60))
{
cmd.SetCDB16(7, (ushort)len);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
int offset = 4;
len = cmd.GetBuffer8(3) + 4;
while (offset < len)
{
caplist.Add(new CapacityDescriptor(cmd.GetBuffer(), offset, cmd.BufferSize));
offset += 8;
}
}
return CommandStatus.Success;
}
/// <summary>
/// Read the table of contents from the disk
/// </summary>
/// <param name="track">the track or session to find the TOC for</param>
/// <param name="toc">a list return value containins a list of table of content entryies</param>
/// <param name="mode">time versus lba mode</param>
/// <returns></returns>
public CommandStatus ReadToc(byte track, bool mode, out IList<TocEntry> toc)
{
ushort len;
toc = null;
if (m_logger != null)
{
string args = "info";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadToc(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.ReadTocPmaAtip, 10, 16, Command.CmdDirection.In, 5 * 60))
{
if (mode)
cmd.SetCDB8(1, 2);
cmd.SetCDB8(6, track);
cmd.SetCDB16(7, 16);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer16(0);
len += 2;
}
using (Command cmd = new Command(ScsiCommandCode.ReadTocPmaAtip, 10, len, Command.CmdDirection.In, 5 * 60))
{
if (mode)
cmd.SetCDB8(1, 2);
cmd.SetCDB8(6, track);
cmd.SetCDB16(7, len);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
int offset = 4;
toc = new List<TocEntry>();
while (offset + 8 <= len)
{
TocEntry entry = new TocEntry(cmd.GetBuffer(), offset, cmd.BufferSize, mode);
toc.Add(entry);
offset += 8;
}
}
return CommandStatus.Success;
}
/// <summary>
/// This method reads the ATIP information from a CD media
/// </summary>
/// <returns></returns>
public CommandStatus ReadAtip(out AtipInfo info)
{
ushort len;
info = null;
if (m_logger != null)
{
string args = "info";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadAtip(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.ReadTocPmaAtip, 10, 32, Command.CmdDirection.In, 5 * 60))
{
cmd.SetCDB8(2, 4);
cmd.SetCDB16(7, 32);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer16(0);
len += 2;
}
if (len <= 4)
return CommandStatus.Success;
using (Command cmd = new Command(ScsiCommandCode.ReadTocPmaAtip, 10, len, Command.CmdDirection.In, 5 * 60))
{
cmd.SetCDB8(2, 4);
cmd.SetCDB16(7, len);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
info = new AtipInfo(cmd.GetBuffer(), len);
}
return CommandStatus.Success;
}
/// <summary>
/// This method reads the ATIP information from a CD media
/// </summary>
/// <returns></returns>
public CommandStatus ReadFullToc(out byte[] data)
{
ushort len;
data = null;
if (m_logger != null)
{
string args = "info";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadFullToc(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.ReadTocPmaAtip, 10, 32, Command.CmdDirection.In, 5 * 60))
{
cmd.SetCDB8(2, 2);
cmd.SetCDB16(7, 32);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer16(0);
len += 2;
if (len <= 32)
{
data = new byte[len];
Marshal.Copy(cmd.GetBuffer(), data, 0, len);
return CommandStatus.Success;
}
}
using (Command cmd = new Command(ScsiCommandCode.ReadTocPmaAtip, 10, len, Command.CmdDirection.In, 5 * 60))
{
cmd.SetCDB8(2, 2);
cmd.SetCDB16(7, len);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
//info = new AtipInfo(cmd.GetBuffer(), len);
data = new byte[len];
Marshal.Copy(cmd.GetBuffer(), data, 0, len);
}
return CommandStatus.Success;
}
/// <summary>
/// This method reads the ATIP information from a CD media
/// </summary>
/// <returns></returns>
public CommandStatus ReadPMA(out byte[] data)
{
ushort len;
data = null;
if (m_logger != null)
{
string args = "info";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadFullToc(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.ReadTocPmaAtip, 10, 320, Command.CmdDirection.In, 5 * 60))
{
cmd.SetCDB8(1, 2);
cmd.SetCDB8(2, 3);
cmd.SetCDB16(7, 320);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer16(0);
len += 2;
if (len <= 320)
{
data = new byte[len];
Marshal.Copy(cmd.GetBuffer(), data, 0, len);
return CommandStatus.Success;
}
}
using (Command cmd = new Command(ScsiCommandCode.ReadTocPmaAtip, 10, len, Command.CmdDirection.In, 5 * 60))
{
cmd.SetCDB8(2, 3);
cmd.SetCDB16(7, len);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
//info = new AtipInfo(cmd.GetBuffer(), len);
data = new byte[len];
Marshal.Copy(cmd.GetBuffer(), data, 0, len);
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus ReadTrackInformation(ReadTrackType type, uint addr, out TrackInformation info)
{
info = null;
if (m_logger != null)
{
string args = "info";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadTrackInformation(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.ReadTrackInformation, 10, 48, Command.CmdDirection.In, 5 * 60))
{
cmd.SetCDB8(1, (byte)type);
cmd.SetCDB32(2, addr);
cmd.SetCDB16(7, 40);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
info = new TrackInformation(cmd.GetBuffer(), cmd.BufferSize);
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus RepairTrack(ushort track)
{
if (m_logger != null)
{
string args = track.ToString();
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.RepairTrack(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.RepairTrack, 10, 0, Command.CmdDirection.None, 5 * 60))
{
cmd.SetCDB16(4, track);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus ReportKey()
{
if (m_logger != null)
{
string args = "NOT IMPLEMENTED";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReportKey(" + args + ")"));
}
return CommandStatus.NotSupported;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus RequestSense()
{
if (m_logger != null)
{
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.RequestSense()"));
}
using (Command cmd = new Command(ScsiCommandCode.RequestSense, 6, 18, Command.CmdDirection.None, 5*60))
{
cmd.SetCDB8(4, 18);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
m_sense_info = new byte[18];
Marshal.Copy(cmd.GetBuffer(), m_sense_info, 0, 18);
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus ReserveTrack(uint size)
{
if (m_logger != null)
{
string args = size.ToString();
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReserveTrack(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.ReserveTrack, 10, 0, Command.CmdDirection.None, 5 * 60))
{
cmd.SetCDB32(5, size);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus Scan(ScanDirection dir, uint lba, ScanType type)
{
if (m_logger != null)
{
string args = dir.ToString() + ", " + lba.ToString() + ", " + type.ToString();
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.Scan(" + args + ")"));
}
if (type == ScanType.Reserved)
throw new Exception("type parameter is of type Reserved");
using (Command cmd = new Command(ScsiCommandCode.Scan, 12, 0, Command.CmdDirection.None, 10))
{
if (dir == ScanDirection.Reverse)
cmd.SetCDB8(1, 0x10);
cmd.SetCDB32(2, lba);
cmd.SetCDB8(9, (byte)((byte)type << 6));
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus Seek(uint lba)
{
if (m_logger != null)
{
string args = lba.ToString();
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.Seek(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.Seek, 10, 0, Command.CmdDirection.None, 10))
{
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus SendCueSheet(byte [] sheet)
{
if (m_logger != null)
{
string args = sheet.ToString();
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.SendCueSheet(" + args + ")"));
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 1, "Cue Sheet"));
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 1, "----------------------------------------------"));
for (int i = 0; i < sheet.GetLength(0) / 8; i++)
{
string s = "" ;
for (int j = 0; j < 8; j++)
{
if (j != 0)
s += " ";
s += sheet[i * 8 + j].ToString("x2");
}
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 1, s));
}
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 1, "----------------------------------------------"));
}
ushort len = (ushort)sheet.GetLength(0);
using (Command cmd = new Command(ScsiCommandCode.SendCueSheet, 10, len, Command.CmdDirection.Out, 10))
{
cmd.SetCDB32(5, len);
cmd.SetCDB8(5, 0);
Marshal.Copy(sheet, 0, cmd.GetBuffer(), len);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus SendDVDStructure()
{
if (m_logger != null)
{
string args = "NOT IMPLEMENTED";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.SendDVDStructure(" + args + ")"));
}
return CommandStatus.NotSupported;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus SendKey()
{
if (m_logger != null)
{
string args = "NOT IMPLEMENTED";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.SendKey(" + args + ")"));
}
return CommandStatus.NotSupported;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus SendOpcInformation(bool doopc, object o)
{
if (m_logger != null)
{
string args = doopc.ToString();
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.SendOpcInformation(" + args + ")"));
}
ushort len = 0;
if (o != null)
throw new Exception("SendOpcInformation() - non-null OPC information not supported");
using (Command cmd = new Command(ScsiCommandCode.SendOpcInformation, 10, len, Command.CmdDirection.Out, 60))
{
if (doopc)
cmd.SetCDB8(1, 1);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus SetCdSpeed(RotationalControl ctrl, ushort read, ushort write)
{
if (m_logger != null)
{
string args = ctrl.ToString() + ", " + read.ToString() + ", " + write.ToString();
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.SetCdSpeed(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.SetCdSpeed, 12, 0, Command.CmdDirection.Out, 30))
{
cmd.SetCDB8(1, (byte)ctrl);
cmd.SetCDB16(2, read);
cmd.SetCDB16(4, write);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus SetCdSpeedDA(RotationalControl ctrl, ushort read, ushort write)
{
if (m_logger != null)
{
string args = ctrl.ToString() + ", " + read.ToString() + ", " + write.ToString();
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.SetCdSpeed(" + args + ")"));
}
using (Command cmd = new Command((ScsiCommandCode)0xDA, 12, 0, Command.CmdDirection.None, 2))
{
cmd.SetCDB8(1, (byte)ctrl);
cmd.SetCDB16(2, read);
cmd.SetCDB16(4, write);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus SetReadAhead(uint trigger, uint lba)
{
if (m_logger != null)
{
string args = trigger.ToString() + ", " + lba.ToString();
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.SetReadAhead(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.SetReadAhead, 12, 0, Command.CmdDirection.None, 2))
{
cmd.SetCDB32(2, trigger);
cmd.SetCDB32(6, lba);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus SetStreaming(SpeedDescriptor desc)
{
if (m_logger != null)
{
string args = "desc";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.SetStreaming(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.SetStreaming, 12, 28, Command.CmdDirection.Out, 2))
{
cmd.SetCDB8(8, 0); // Performance Descriptor
cmd.SetCDB16(9, 28); // Length of the performance descriptor
byte b = 0;
if (desc.Exact)
b |= 0x02;
int wrc = (int)(desc.WRC) ;
b |= (byte)(wrc << 3);
cmd.SetBuffer8(0, b); // Control info, byte 0
cmd.SetBuffer32(4, 0); // Start LBA
cmd.SetBuffer32(8, (uint)desc.EndLBA); // End LBA
cmd.SetBuffer32(12, (uint)desc.ReadSpeed); // Read size
cmd.SetBuffer32(16, 1000); // Read time
cmd.SetBuffer32(20, (uint)desc.WriteSpeed); // Write size
cmd.SetBuffer32(24, 1000); // Write time
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus SetStreaming(RotationalControl rot, int startlba, int endlba, int readsize, int readtime, int writesize, int writetime)
{
if (m_logger != null)
{
string args = "desc";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.SetStreaming(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.SetStreaming, 12, 28, Command.CmdDirection.Out, 60*5))
{
cmd.SetCDB8(8, 0); // Performance Descriptor
cmd.SetCDB16(9, 28); // Length of the performance descriptor
byte b = 0;
int wrc = (int)rot;
b |= (byte)(wrc << 3);
cmd.SetBuffer8(0, b); // Control info, byte 0
cmd.SetBuffer32(4, (uint)startlba); // Start LBA
cmd.SetBuffer32(8, (uint)endlba); // End LBA
cmd.SetBuffer32(12, (uint)readsize); // Read size
cmd.SetBuffer32(16, (uint)readtime); // Read time
cmd.SetBuffer32(20, (uint)writesize); // Write size
cmd.SetBuffer32(24, (uint)writetime); // Write time
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus StartStopUnit(bool immd, PowerControl pc, StartState state)
{
if (m_logger != null)
{
string args = immd.ToString() + ", " + pc.ToString() + ", " + state.ToString();
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.StartStopUnit(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.StartStopUnit, 6, 0, Command.CmdDirection.None, 30))
{
if (immd)
cmd.SetCDB8(1, 1) ;
byte b = (byte)(((byte)pc << 4) | ((byte)state)) ;
cmd.SetCDB8(4, b) ;
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus StopPlayScan()
{
using (Command cmd = new Command(ScsiCommandCode.StopPlayScan, 10, 0, Command.CmdDirection.None, 30))
{
if (m_logger != null)
{
string args = "";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.StopPlayScan(" + args + ")"));
}
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus SynchronizeCache(bool immd)
{
if (m_logger != null)
{
string args = "";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.SynchronizeCache(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.SyncronizeCache, 10, 0, Command.CmdDirection.None, 30 * 60))
{
if (immd)
cmd.SetCDB8(1, 2);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus TestUnitReady(out bool ready)
{
if (m_logger != null)
{
string args = "out ready";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 9, "Bwg.Scsi.Device.TestUnitReady(" + args + ")"));
}
ready = true;
using (Command cmd = new Command(ScsiCommandCode.TestUnitReady, 6, 0, Command.CmdDirection.None, 60))
{
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
{
ready = false ;
if (st == CommandStatus.DeviceFailed && GetSenseKey() == SenseKeyType.NotReady)
st = CommandStatus.Success;
return st;
}
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus Verify(int start, int size)
{
if (m_logger != null)
{
string args = start.ToString() + ", " + size.ToString();
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.Verify(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.Verify, 10, 2048, Command.CmdDirection.None, 60 * 60))
{
cmd.SetCDB32(2, (uint)start);
cmd.SetCDB16(7, (ushort)size);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
/// This method requests that the SCSI device transfer data from the given buffer to the device
/// </summary>
/// <param name="force">If true, the data is forced from the media and cannot be read from the cache</param>
/// <param name="streaming">If true, this is a streaming read</param>
/// <param name="lba">The starting logical address for the data</param>
/// <param name="sector_size">the size of the sector data in bytes</param>
/// <param name="length">The length of the data to write in sectors</param>
/// <param name="data">The data buffer to received the data</param>
/// <returns></returns>
public CommandStatus Write(bool force, bool streaming, int lba, int sector_size, int length, ref byte[] data)
{
if (m_logger != null)
{
string args = force.ToString() + ", " + streaming.ToString() + ", " + lba.ToString() + ", " + length.ToString() + ", buffer";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.Write(" + args + ")"));
}
Debug.Assert(length == data.GetLength(0) * sector_size);
fixed (byte *bptr = &data[0])
{
IntPtr bufptr = new IntPtr(bptr);
if (streaming || length > 65535)
{
using (Command cmd = new Command(ScsiCommandCode.Write12, 12, bufptr, length * sector_size, Command.CmdDirection.Out, 5 * 60))
{
if (force)
cmd.SetCDB8(1, 4); // Set the FUA bit
cmd.SetCDB32(2, lba);
cmd.SetCDB32(6, length);
if (streaming)
cmd.SetCDB8(10, 0x80); // Set the streaming bit
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
}
else
{
using (Command cmd = new Command(ScsiCommandCode.Write, 10, bufptr, length * sector_size, Command.CmdDirection.Out, 5 * 60))
{
if (force)
cmd.SetCDB8(1, 4); // Set the FUA bit
cmd.SetCDB32(2, lba);
cmd.SetCDB16(7, (ushort)length);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
}
}
return CommandStatus.Success;
}
/// <summary>
/// Write data to the device into a memory buffer
/// </summary>
/// <param name="force">If true, the data is forced from the media and cannot be read from the cache</param>
/// <param name="streaming">If true, this is a streaming read</param>
/// <param name="lba">The starting logical address for the data</param>
/// <param name="sector_size">the size of a sector in bytes</param>
/// <param name="length">The length of the data to write in sectors</param>
/// <param name="data">The buffer to receive the data</param>
/// <returns></returns>
public CommandStatus Write(bool force, bool streaming, int lba, int sector_size, int length, IntPtr data)
{
if (m_logger != null)
{
string args = force.ToString() + ", " + streaming.ToString() + ", " + lba.ToString() + ", " + length.ToString() + ", IntPtr, ";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.Write(" + args + ")"));
}
if (streaming || length > 65535)
{
using (Command cmd = new Command(ScsiCommandCode.Write12, 12, data, length * sector_size, Command.CmdDirection.Out, 5 * 60))
{
if (force)
cmd.SetCDB8(1, 4); // Set the FUA bit
cmd.SetCDB32(2, lba);
cmd.SetCDB32(6, length);
if (streaming)
cmd.SetCDB8(10, 0x80);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
{
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 4, "Write failed at lba " + lba.ToString()));
return st;
}
}
}
else
{
using (Command cmd = new Command(ScsiCommandCode.Write, 10, data, length * sector_size, Command.CmdDirection.Out, 5 * 60))
{
if (force)
cmd.SetCDB8(1, 4); // Set the FUA bit
cmd.SetCDB32(2, lba);
cmd.SetCDB16(7, (ushort)length);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
{
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 4, "Write failed at lba " + lba.ToString()));
return st;
}
}
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus WriteVerify()
{
if (m_logger != null)
{
string args = "NOT IMPLEMENTED";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.WriteVerify(" + args + ")"));
}
return CommandStatus.NotSupported;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus WriteBuffer()
{
if (m_logger != null)
{
string args = "NOT IMPLEMENTED";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.WriteBuffer(" + args + ")"));
}
return CommandStatus.NotSupported;
}
#endregion
}
}
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