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Implemented SCSI PREVENT ALLOW MEDIUM REMOVAL command.

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This commit is contained in:
Natalia Portillo
2015-10-24 04:46:11 +01:00
parent 589452272c
commit 4ecec3373a
3 changed files with 104 additions and 6 deletions
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82
DiscImageChef.Devices/Device/ScsiCommands.cs
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@@ -214,7 +214,7 @@ namespace DiscImageChef.Devices
/// Sends the SCSI MODE SENSE(6) command to the device as introduced in SCSI-1
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the SCSI INQUIRY response will be stored</param>
/// <param name="buffer">Buffer where the SCSI MODE SENSE(6) response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
@@ -227,7 +227,7 @@ namespace DiscImageChef.Devices
/// Sends the SCSI MODE SENSE(6) command to the device as introduced in SCSI-2
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the SCSI INQUIRY response will be stored</param>
/// <param name="buffer">Buffer where the SCSI MODE SENSE(6) response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
@@ -243,7 +243,7 @@ namespace DiscImageChef.Devices
/// Sends the SCSI MODE SENSE(6) command to the device as introduced in SCSI-3 SPC-3
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the SCSI INQUIRY response will be stored</param>
/// <param name="buffer">Buffer where the SCSI MODE SENSE(6) response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
@@ -290,7 +290,7 @@ namespace DiscImageChef.Devices
/// Sends the SCSI MODE SENSE(10) command to the device as introduced in SCSI-2
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the SCSI INQUIRY response will be stored</param>
/// <param name="buffer">Buffer where the SCSI MODE SENSE(10) response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
@@ -306,7 +306,7 @@ namespace DiscImageChef.Devices
/// Sends the SCSI MODE SENSE(10) command to the device as introduced in SCSI-3 SPC-2
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the SCSI INQUIRY response will be stored</param>
/// <param name="buffer">Buffer where the SCSI MODE SENSE(10) response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
@@ -323,7 +323,7 @@ namespace DiscImageChef.Devices
/// Sends the SCSI MODE SENSE(10) command to the device as introduced in SCSI-3 SPC-3
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the SCSI INQUIRY response will be stored</param>
/// <param name="buffer">Buffer where the SCSI MODE SENSE(10) response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
@@ -370,6 +370,76 @@ namespace DiscImageChef.Devices
return sense;
}
/// <summary>
/// Sends the SCSI PREVENT ALLOW MEDIUM REMOVAL command to prevent medium removal
/// </summary>
/// <returns><c>true</c>, if allow medium removal was prevented, <c>false</c> otherwise.</returns>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
public bool PreventMediumRemoval(out byte[] senseBuffer, uint timeout, out double duration)
{
return PreventAllowMediumRemoval(out senseBuffer, ScsiPreventAllowMode.Prevent, timeout, out duration);
}
/// <summary>
/// Sends the SCSI PREVENT ALLOW MEDIUM REMOVAL command to allow medium removal
/// </summary>
/// <returns><c>true</c>, if allow medium removal was prevented, <c>false</c> otherwise.</returns>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
public bool AllowMediumRemoval(out byte[] senseBuffer, uint timeout, out double duration)
{
return PreventAllowMediumRemoval(out senseBuffer, ScsiPreventAllowMode.Allow, timeout, out duration);
}
/// <summary>
/// Sends the SCSI PREVENT ALLOW MEDIUM REMOVAL command
/// </summary>
/// <returns><c>true</c>, if allow medium removal was prevented, <c>false</c> otherwise.</returns>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
/// <param name="prevent"><c>true</c> to prevent medium removal, <c>false</c> to allow it.</param>
public bool PreventAllowMediumRemoval(out byte[] senseBuffer, bool prevent, uint timeout, out double duration)
{
if (prevent)
return PreventAllowMediumRemoval(out senseBuffer, ScsiPreventAllowMode.Prevent, timeout, out duration);
else
return PreventAllowMediumRemoval(out senseBuffer, ScsiPreventAllowMode.Allow, timeout, out duration);
}
/// <summary>
/// Sends the SCSI PREVENT ALLOW MEDIUM REMOVAL command
/// </summary>
/// <returns><c>true</c>, if allow medium removal was prevented, <c>false</c> otherwise.</returns>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
/// <param name="preventMode">Prevention mode.</param>
public bool PreventAllowMediumRemoval(out byte[] senseBuffer, ScsiPreventAllowMode preventMode, uint timeout, out double duration)
{
senseBuffer = new byte[32];
byte[] cdb = new byte[6];
bool sense;
byte[] buffer = new byte[0];
cdb[0] = (byte)ScsiCommands.PreventAllowMediumRemoval;
cdb[4] = (byte)((byte)preventMode & 0x03);
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.None, out duration, out sense);
error = lastError != 0;
DicConsole.DebugWriteLine("SCSI Device", "PREVENT ALLOW MEDIUM REMOVAL took {0} ms.", duration);
return sense;
}
}
}