/// <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>
/// <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>
/// 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>
///
/// </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 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 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 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>
/// 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>
/// 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>
/// 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>
/// 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>
///
/// </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>
/// 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>
///
/// </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>
/// 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>
/// 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>
///
/// </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>
/// 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>
///
/// </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>
/// 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>
///
/// </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>
/// 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>
///
/// </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>
/// 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 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>
/// 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>
/// 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>
/// <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;
}
