com.github.mjdev.libaums.driver.scsi.commands

Class CommandStatusWrapper

java.lang.Object

com.github.mjdev.libaums.driver.scsi.commands.CommandStatusWrapper

public class CommandStatusWrapper
extends java.lang.Object

This class represents the command status wrapper (CSW) in the SCSI transparent command set standard, which is transmitted from the device to the host after the data phase (if any).

Field Summary

Fields

Modifier and Type	Field and Description
static int	COMMAND_FAILED SCSI command could not be executed, host should issue an SCSI request sense.
static int	COMMAND_PASSED SCSI command has successfully been executed.
static int	PHASE_ERROR SCSI command could not be executed, host should issue a mass storage reset.
static int	SIZE Every CSW has the same size.

Constructor Summary

Constructors

Constructor and Description
CommandStatusWrapper()

Method Summary

Modifier and Type	Method and Description
byte	getbCswStatus() Returns the status of execution of the transmitted SCSI command.
int	getdCswDataResidue() Returns the amount of bytes which has not been processed yet in the data phase.
int	getdCswTag() Returns the tag which can be used to determine the corresponding CBW.
void	read(java.nio.ByteBuffer buffer) Reads command block wrapper from the specified buffer and stores it into this object.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

COMMAND_PASSED

public static final int COMMAND_PASSED

SCSI command has successfully been executed.

See Also:

Constant Field Values

COMMAND_FAILED

public static final int COMMAND_FAILED

SCSI command could not be executed, host should issue an SCSI request sense.

See Also:

ScsiRequestSense, Constant Field Values

PHASE_ERROR

public static final int PHASE_ERROR

SCSI command could not be executed, host should issue a mass storage reset.

See Also:

Constant Field Values

SIZE

public static final int SIZE

Every CSW has the same size.

See Also:

Constant Field Values

Constructor Detail

CommandStatusWrapper

public CommandStatusWrapper()

Method Detail

read

public void read(java.nio.ByteBuffer buffer)

Reads command block wrapper from the specified buffer and stores it into this object.

Parameters:

buffer - The data where the command block wrapper is located.

getdCswTag

public int getdCswTag()

Returns the tag which can be used to determine the corresponding CBW.

Returns:

The command status wrapper tag.

See Also:

#getdCswTag()

getdCswDataResidue

public int getdCswDataResidue()

Returns the amount of bytes which has not been processed yet in the data phase.

Returns:

The amount of bytes.

getbCswStatus

public byte getbCswStatus()

Returns the status of execution of the transmitted SCSI command.

Returns:

The status.

See Also:

#COMMAND_PASSED, #COMMAND_FAILED, #PHASE_ERROR