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Allocate SENSE buffer only once.

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This commit is contained in:
Natalia Portillo
2025-08-22 19:57:09 +01:00
parent 8e2fdd91a6
commit e4f55d3b3c
73 changed files with 1892 additions and 2565 deletions
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387
Aaru.Devices/Device/ScsiCommands/SSC.cs
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@@ -46,7 +46,7 @@ public partial class Device
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool Load(out byte[] senseBuffer, uint timeout, out double duration) =>
public bool Load(out ReadOnlySpan<byte> senseBuffer, uint timeout, out double duration) =>
LoadUnload(out senseBuffer, false, true, false, false, false, timeout, out duration);
/// <summary>Prepares the medium for ejection</summary>
@@ -54,7 +54,7 @@ public partial class Device
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool Unload(out byte[] senseBuffer, uint timeout, out double duration) =>
public bool Unload(out ReadOnlySpan<byte> senseBuffer, uint timeout, out double duration) =>
LoadUnload(out senseBuffer, false, false, false, false, false, timeout, out duration);
/// <summary>Prepares the medium for reading or ejection</summary>
@@ -70,10 +70,10 @@ public partial class Device
/// </param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool LoadUnload(out byte[] senseBuffer, bool immediate, bool load, bool retense, bool endOfTape, bool hold,
uint timeout, out double duration)
public bool LoadUnload(out ReadOnlySpan<byte> senseBuffer, bool immediate, bool load, bool retense, bool endOfTape,
bool hold, uint timeout, out double duration)
{
senseBuffer = new byte[64];
senseBuffer = SenseBuffer;
Span<byte> cdb = CdbBuffer[..6];
cdb.Clear();
byte[] buffer = [];
@@ -90,13 +90,7 @@ public partial class Device
if(hold) cdb[4] += 0x08;
LastError = SendScsiCommand(cdb,
ref buffer,
out senseBuffer,
timeout,
ScsiDirection.None,
out duration,
out bool sense);
LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.None, out duration, out bool sense);
Error = LastError != 0;
@@ -110,7 +104,7 @@ public partial class Device
/// <param name="lba">Logical block address.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool Locate(out byte[] senseBuffer, uint lba, uint timeout, out double duration) =>
public bool Locate(out ReadOnlySpan<byte> senseBuffer, uint lba, uint timeout, out double duration) =>
Locate(out senseBuffer, false, false, false, 0, lba, timeout, out duration);
/// <summary>Positions the medium to the specified block in the specified partition</summary>
@@ -119,7 +113,8 @@ public partial class Device
/// <param name="lba">Logical block address.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool Locate(out byte[] senseBuffer, byte partition, uint lba, uint timeout, out double duration) =>
public bool
Locate(out ReadOnlySpan<byte> senseBuffer, byte partition, uint lba, uint timeout, out double duration) =>
Locate(out senseBuffer, false, false, false, partition, lba, timeout, out duration);
/// <summary>Positions the medium to the specified block in the current partition</summary>
@@ -128,7 +123,8 @@ public partial class Device
/// <param name="lba">Logical block address.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool Locate(out byte[] senseBuffer, bool immediate, uint lba, uint timeout, out double duration) =>
public bool Locate(out ReadOnlySpan<byte> senseBuffer, bool immediate, uint lba, uint timeout,
out double duration) =>
Locate(out senseBuffer, immediate, false, false, 0, lba, timeout, out duration);
/// <summary>Positions the medium to the specified block in the specified partition</summary>
@@ -138,15 +134,15 @@ public partial class Device
/// <param name="lba">Logical block address.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool Locate(out byte[] senseBuffer, bool immediate, byte partition, uint lba, uint timeout,
out double duration) => Locate(out senseBuffer,
immediate,
false,
false,
partition,
lba,
timeout,
out duration);
public bool Locate(out ReadOnlySpan<byte> senseBuffer, bool immediate, byte partition, uint lba, uint timeout,
out double duration) => Locate(out senseBuffer,
immediate,
false,
false,
partition,
lba,
timeout,
out duration);
/// <summary>Positions the medium to the specified object identifier</summary>
/// <param name="senseBuffer">Sense buffer.</param>
@@ -157,10 +153,10 @@ public partial class Device
/// <param name="objectId">Object identifier.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool Locate(out byte[] senseBuffer, bool immediate, bool blockType, bool changePartition, byte partition,
uint objectId, uint timeout, out double duration)
public bool Locate(out ReadOnlySpan<byte> senseBuffer, bool immediate, bool blockType, bool changePartition,
byte partition, uint objectId, uint timeout, out double duration)
{
senseBuffer = new byte[64];
senseBuffer = SenseBuffer;
Span<byte> cdb = CdbBuffer[..10];
cdb.Clear();
byte[] buffer = [];
@@ -179,13 +175,7 @@ public partial class Device
cdb[6] = (byte)(objectId & 0xFF);
cdb[8] = partition;
LastError = SendScsiCommand(cdb,
ref buffer,
out senseBuffer,
timeout,
ScsiDirection.None,
out duration,
out bool sense);
LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.None, out duration, out bool sense);
Error = LastError != 0;
@@ -199,7 +189,7 @@ public partial class Device
/// <param name="lba">Logical block address.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool Locate16(out byte[] senseBuffer, ulong lba, uint timeout, out double duration) =>
public bool Locate16(out ReadOnlySpan<byte> senseBuffer, ulong lba, uint timeout, out double duration) =>
Locate16(out senseBuffer, false, false, SscLogicalIdTypes.ObjectId, false, 0, lba, timeout, out duration);
/// <summary>Positions the medium to the specified block in the specified partition</summary>
@@ -208,16 +198,16 @@ public partial class Device
/// <param name="lba">Logical block address.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool Locate16(out byte[] senseBuffer, byte partition, ulong lba, uint timeout, out double duration) =>
Locate16(out senseBuffer,
false,
false,
SscLogicalIdTypes.ObjectId,
false,
partition,
lba,
timeout,
out duration);
public bool Locate16(out ReadOnlySpan<byte> senseBuffer, byte partition, ulong lba, uint timeout,
out double duration) => Locate16(out senseBuffer,
false,
false,
SscLogicalIdTypes.ObjectId,
false,
partition,
lba,
timeout,
out duration);
/// <summary>Positions the medium to the specified block in the current partition</summary>
/// <param name="senseBuffer">Sense buffer.</param>
@@ -225,8 +215,16 @@ public partial class Device
/// <param name="lba">Logical block address.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool Locate16(out byte[] senseBuffer, bool immediate, ulong lba, uint timeout, out double duration) =>
Locate16(out senseBuffer, immediate, false, SscLogicalIdTypes.ObjectId, false, 0, lba, timeout, out duration);
public bool Locate16(out ReadOnlySpan<byte> senseBuffer, bool immediate, ulong lba, uint timeout,
out double duration) => Locate16(out senseBuffer,
immediate,
false,
SscLogicalIdTypes.ObjectId,
false,
0,
lba,
timeout,
out duration);
/// <summary>Positions the medium to the specified block in the specified partition</summary>
/// <param name="senseBuffer">Sense buffer.</param>
@@ -235,16 +233,16 @@ public partial class Device
/// <param name="lba">Logical block address.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool Locate16(out byte[] senseBuffer, bool immediate, byte partition, ulong lba, uint timeout,
out double duration) => Locate16(out senseBuffer,
immediate,
false,
SscLogicalIdTypes.ObjectId,
false,
partition,
lba,
timeout,
out duration);
public bool Locate16(out ReadOnlySpan<byte> senseBuffer, bool immediate, byte partition, ulong lba, uint timeout,
out double duration) => Locate16(out senseBuffer,
immediate,
false,
SscLogicalIdTypes.ObjectId,
false,
partition,
lba,
timeout,
out duration);
/// <summary>Positions the medium to the specified object identifier</summary>
/// <param name="senseBuffer">Sense buffer.</param>
@@ -256,10 +254,11 @@ public partial class Device
/// <param name="identifier">Destination identifier.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool Locate16(out byte[] senseBuffer, bool immediate, bool changePartition, SscLogicalIdTypes destType,
bool bam, byte partition, ulong identifier, uint timeout, out double duration)
public bool Locate16(out ReadOnlySpan<byte> senseBuffer, bool immediate, bool changePartition,
SscLogicalIdTypes destType, bool bam, byte partition, ulong identifier, uint timeout,
out double duration)
{
senseBuffer = new byte[64];
senseBuffer = SenseBuffer;
Span<byte> cdb = CdbBuffer[..16];
cdb.Clear();
byte[] buffer = [];
@@ -285,13 +284,7 @@ public partial class Device
cdb[10] = idBytes[1];
cdb[11] = idBytes[0];
LastError = SendScsiCommand(cdb,
ref buffer,
out senseBuffer,
timeout,
ScsiDirection.None,
out duration,
out bool sense);
LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.None, out duration, out bool sense);
Error = LastError != 0;
@@ -309,7 +302,7 @@ public partial class Device
/// <param name="blockSize">Block size in bytes.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool Read6(out byte[] buffer, out byte[] senseBuffer, uint blocks, uint blockSize, uint timeout, out double duration)
public bool Read6(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, uint blocks, uint blockSize, uint timeout, out double duration)
{
return Read6(out buffer, out senseBuffer, false, true, blocks, blockSize, timeout, out duration);
}*/
@@ -322,15 +315,9 @@ public partial class Device
/// <param name="blockSize">Block size in bytes.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool Read6(out byte[] buffer, out byte[] senseBuffer, bool sili, uint transferLen, uint blockSize,
uint timeout, out double duration) => Read6(out buffer,
out senseBuffer,
sili,
false,
transferLen,
blockSize,
timeout,
out duration);
public bool Read6(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, bool sili, uint transferLen,
uint blockSize, uint timeout, out double duration) =>
Read6(out buffer, out senseBuffer, sili, false, transferLen, blockSize, timeout, out duration);
/// <summary>Reads the specified number of bytes or of blocks from the medium</summary>
/// <param name="buffer">Buffer.</param>
@@ -347,13 +334,13 @@ public partial class Device
/// <param name="blockSize">Block size in bytes.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool Read6(out byte[] buffer, out byte[] senseBuffer, bool sili, bool fixedLen, uint transferLen,
uint blockSize, uint timeout, out double duration)
public bool Read6(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, bool sili, bool fixedLen, uint transferLen,
uint blockSize, uint timeout, out double duration)
{
buffer = fixedLen ? new byte[blockSize * transferLen] : new byte[transferLen];
Span<byte> cdb = CdbBuffer[..6];
cdb.Clear();
senseBuffer = new byte[64];
senseBuffer = SenseBuffer;
cdb[0] = (byte)ScsiCommands.Read6;
@@ -365,13 +352,7 @@ public partial class Device
cdb[3] = (byte)((transferLen & 0xFF00) >> 8);
cdb[4] = (byte)(transferLen & 0xFF);
LastError = SendScsiCommand(cdb,
ref buffer,
out senseBuffer,
timeout,
ScsiDirection.In,
out duration,
out bool sense);
LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.In, out duration, out bool sense);
Error = LastError != 0;
@@ -389,8 +370,8 @@ public partial class Device
/// <param name="blockSize">Object size in bytes.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool Read16(out byte[] buffer, out byte[] senseBuffer, bool sili, ulong objectId, uint blocks,
uint blockSize, uint timeout, out double duration) =>
public bool Read16(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, bool sili, ulong objectId, uint blocks,
uint blockSize, uint timeout, out double duration) =>
Read16(out buffer, out senseBuffer, sili, false, 0, objectId, blocks, blockSize, timeout, out duration);
/// <summary>Reads a number of fixed-length blocks starting at specified block from the specified partition</summary>
@@ -403,8 +384,8 @@ public partial class Device
/// <param name="blockSize">Object size in bytes.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool Read16(out byte[] buffer, out byte[] senseBuffer, bool sili, byte partition, ulong objectId,
uint blocks, uint blockSize, uint timeout, out double duration) =>
public bool Read16(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, bool sili, byte partition, ulong objectId,
uint blocks, uint blockSize, uint timeout, out double duration) =>
Read16(out buffer, out senseBuffer, sili, false, partition, objectId, blocks, blockSize, timeout, out duration);
/// <summary>Reads a number of fixed-length blocks starting at specified object</summary>
@@ -415,17 +396,9 @@ public partial class Device
/// <param name="blockSize">Object size in bytes.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool Read16(out byte[] buffer, out byte[] senseBuffer, ulong objectId, uint blocks, uint blockSize,
uint timeout, out double duration) => Read16(out buffer,
out senseBuffer,
false,
true,
0,
objectId,
blocks,
blockSize,
timeout,
out duration);
public bool Read16(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, ulong objectId, uint blocks,
uint blockSize, uint timeout, out double duration) =>
Read16(out buffer, out senseBuffer, false, true, 0, objectId, blocks, blockSize, timeout, out duration);
/// <summary>Reads a number of fixed-length blocks starting at specified block from the specified partition</summary>
/// <param name="buffer">Buffer.</param>
@@ -436,8 +409,8 @@ public partial class Device
/// <param name="blockSize">Object size in bytes.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool Read16(out byte[] buffer, out byte[] senseBuffer, byte partition, ulong objectId, uint blocks,
uint blockSize, uint timeout, out double duration) =>
public bool Read16(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, byte partition, ulong objectId,
uint blocks, uint blockSize, uint timeout, out double duration) =>
Read16(out buffer, out senseBuffer, false, true, partition, objectId, blocks, blockSize, timeout, out duration);
/// <summary>Reads a number of bytes or objects starting at specified object from the specified partition</summary>
@@ -457,13 +430,13 @@ public partial class Device
/// <param name="objectSize">Object size in bytes.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool Read16(out byte[] buffer, out byte[] senseBuffer, bool sili, bool fixedLen, byte partition,
ulong objectId, uint transferLen, uint objectSize, uint timeout, out double duration)
public bool Read16(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, bool sili, bool fixedLen, byte partition,
ulong objectId, uint transferLen, uint objectSize, uint timeout, out double duration)
{
buffer = fixedLen ? new byte[objectSize * transferLen] : new byte[transferLen];
Span<byte> cdb = CdbBuffer[..6];
cdb.Clear();
senseBuffer = new byte[64];
senseBuffer = SenseBuffer;
byte[] idBytes = BitConverter.GetBytes(objectId);
cdb[0] = (byte)ScsiCommands.Read16;
@@ -485,13 +458,7 @@ public partial class Device
cdb[13] = (byte)((transferLen & 0xFF00) >> 8);
cdb[14] = (byte)(transferLen & 0xFF);
LastError = SendScsiCommand(cdb,
ref buffer,
out senseBuffer,
timeout,
ScsiDirection.In,
out duration,
out bool sense);
LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.In, out duration, out bool sense);
Error = LastError != 0;
@@ -505,22 +472,17 @@ public partial class Device
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool ReadBlockLimits(out byte[] buffer, out byte[] senseBuffer, uint timeout, out double duration)
public bool ReadBlockLimits(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, uint timeout,
out double duration)
{
buffer = new byte[6];
Span<byte> cdb = CdbBuffer[..6];
cdb.Clear();
senseBuffer = new byte[64];
senseBuffer = SenseBuffer;
cdb[0] = (byte)ScsiCommands.ReadBlockLimits;
LastError = SendScsiCommand(cdb,
ref buffer,
out senseBuffer,
timeout,
ScsiDirection.In,
out duration,
out bool sense);
LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.In, out duration, out bool sense);
Error = LastError != 0;
@@ -534,7 +496,8 @@ public partial class Device
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool ReadPosition(out byte[] buffer, out byte[] senseBuffer, uint timeout, out double duration) =>
public bool
ReadPosition(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, uint timeout, out double duration) =>
ReadPosition(out buffer, out senseBuffer, SscPositionForms.Short, timeout, out duration);
/// <summary>Reports current reading/writing elements position on the medium using 32 bytes response</summary>
@@ -542,7 +505,8 @@ public partial class Device
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool ReadPositionLong(out byte[] buffer, out byte[] senseBuffer, uint timeout, out double duration) =>
public bool ReadPositionLong(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, uint timeout,
out double duration) =>
ReadPosition(out buffer, out senseBuffer, SscPositionForms.Long, timeout, out duration);
/// <summary>Reports current reading/writing elements position on the medium</summary>
@@ -553,8 +517,8 @@ public partial class Device
/// <param name="totalPosition">Requests current logical position.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool ReadPosition(out byte[] buffer, out byte[] senseBuffer, bool vendorType, bool longForm,
bool totalPosition, uint timeout, out double duration)
public bool ReadPosition(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, bool vendorType, bool longForm,
bool totalPosition, uint timeout, out double duration)
{
byte responseForm = 0;
@@ -573,8 +537,8 @@ public partial class Device
/// <param name="responseForm">Response form.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool ReadPosition(out byte[] buffer, out byte[] senseBuffer, SscPositionForms responseForm, uint timeout,
out double duration)
public bool ReadPosition(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, SscPositionForms responseForm,
uint timeout, out double duration)
{
buffer = responseForm switch
{
@@ -592,7 +556,7 @@ public partial class Device
Span<byte> cdb = CdbBuffer[..10];
cdb.Clear();
senseBuffer = new byte[64];
senseBuffer = SenseBuffer;
cdb[0] = (byte)ScsiCommands.ReadPosition;
cdb[1] = (byte)((byte)responseForm & 0x1F);
@@ -603,13 +567,7 @@ public partial class Device
cdb[8] = (byte)(buffer.Length & 0xFF);
}
LastError = SendScsiCommand(cdb,
ref buffer,
out senseBuffer,
timeout,
ScsiDirection.In,
out duration,
out bool sense);
LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.In, out duration, out bool sense);
Error = LastError != 0;
@@ -625,16 +583,9 @@ public partial class Device
/// <param name="blockSize">Block size in bytes.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool ReadReverse6(out byte[] buffer, out byte[] senseBuffer, uint blocks, uint blockSize, uint timeout,
out double duration) => ReadReverse6(out buffer,
out senseBuffer,
false,
false,
true,
blocks,
blockSize,
timeout,
out duration);
public bool ReadReverse6(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, uint blocks, uint blockSize,
uint timeout, out double duration) =>
ReadReverse6(out buffer, out senseBuffer, false, false, true, blocks, blockSize, timeout, out duration);
/// <summary>Reads the specified number of bytes or of blocks from the medium, backwards</summary>
/// <param name="buffer">Buffer.</param>
@@ -644,8 +595,8 @@ public partial class Device
/// <param name="blockSize">Block size in bytes.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool ReadReverse6(out byte[] buffer, out byte[] senseBuffer, bool sili, uint transferLen, uint blockSize,
uint timeout, out double duration) =>
public bool ReadReverse6(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, bool sili, uint transferLen,
uint blockSize, uint timeout, out double duration) =>
ReadReverse6(out buffer, out senseBuffer, false, sili, false, transferLen, blockSize, timeout, out duration);
/// <summary>Reads the specified number of bytes or of blocks from the medium, backwards</summary>
@@ -664,13 +615,13 @@ public partial class Device
/// <param name="blockSize">Block size in bytes.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool ReadReverse6(out byte[] buffer, out byte[] senseBuffer, bool byteOrder, bool sili, bool fixedLen,
uint transferLen, uint blockSize, uint timeout, out double duration)
public bool ReadReverse6(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, bool byteOrder, bool sili,
bool fixedLen, uint transferLen, uint blockSize, uint timeout, out double duration)
{
buffer = fixedLen ? new byte[blockSize * transferLen] : new byte[transferLen];
Span<byte> cdb = CdbBuffer[..6];
cdb.Clear();
senseBuffer = new byte[64];
senseBuffer = SenseBuffer;
cdb[0] = (byte)ScsiCommands.ReadReverse;
@@ -684,13 +635,7 @@ public partial class Device
cdb[3] = (byte)((transferLen & 0xFF00) >> 8);
cdb[4] = (byte)(transferLen & 0xFF);
LastError = SendScsiCommand(cdb,
ref buffer,
out senseBuffer,
timeout,
ScsiDirection.In,
out duration,
out bool sense);
LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.In, out duration, out bool sense);
Error = LastError != 0;
@@ -708,8 +653,8 @@ public partial class Device
/// <param name="blockSize">Object size in bytes.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool ReadReverse16(out byte[] buffer, out byte[] senseBuffer, bool sili, ulong objectId, uint blocks,
uint blockSize, uint timeout, out double duration) =>
public bool ReadReverse16(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, bool sili, ulong objectId,
uint blocks, uint blockSize, uint timeout, out double duration) =>
ReadReverse16(out buffer,
out senseBuffer,
false,
@@ -732,8 +677,8 @@ public partial class Device
/// <param name="blockSize">Object size in bytes.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool ReadReverse16(out byte[] buffer, out byte[] senseBuffer, bool sili, byte partition, ulong objectId,
uint blocks, uint blockSize, uint timeout, out double duration) =>
public bool ReadReverse16(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, bool sili, byte partition,
ulong objectId, uint blocks, uint blockSize, uint timeout, out double duration) =>
ReadReverse16(out buffer,
out senseBuffer,
false,
@@ -754,8 +699,8 @@ public partial class Device
/// <param name="blockSize">Object size in bytes.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool ReadReverse16(out byte[] buffer, out byte[] senseBuffer, ulong objectId, uint blocks, uint blockSize,
uint timeout, out double duration) =>
public bool ReadReverse16(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, ulong objectId, uint blocks,
uint blockSize, uint timeout, out double duration) =>
ReadReverse16(out buffer,
out senseBuffer,
false,
@@ -777,8 +722,8 @@ public partial class Device
/// <param name="blockSize">Object size in bytes.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool ReadReverse16(out byte[] buffer, out byte[] senseBuffer, byte partition, ulong objectId, uint blocks,
uint blockSize, uint timeout, out double duration) =>
public bool ReadReverse16(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, byte partition, ulong objectId,
uint blocks, uint blockSize, uint timeout, out double duration) =>
ReadReverse16(out buffer,
out senseBuffer,
false,
@@ -809,14 +754,14 @@ public partial class Device
/// <param name="objectSize">Object size in bytes.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool ReadReverse16(out byte[] buffer, out byte[] senseBuffer, bool byteOrder, bool sili, bool fixedLen,
byte partition, ulong objectId, uint transferLen, uint objectSize, uint timeout,
out double duration)
public bool ReadReverse16(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, bool byteOrder, bool sili,
bool fixedLen, byte partition, ulong objectId, uint transferLen, uint objectSize,
uint timeout, out double duration)
{
buffer = fixedLen ? new byte[objectSize * transferLen] : new byte[transferLen];
Span<byte> cdb = CdbBuffer[..6];
cdb.Clear();
senseBuffer = new byte[64];
senseBuffer = SenseBuffer;
byte[] idBytes = BitConverter.GetBytes(objectId);
cdb[0] = (byte)ScsiCommands.Read16;
@@ -840,13 +785,7 @@ public partial class Device
cdb[13] = (byte)((transferLen & 0xFF00) >> 8);
cdb[14] = (byte)(transferLen & 0xFF);
LastError = SendScsiCommand(cdb,
ref buffer,
out senseBuffer,
timeout,
ScsiDirection.In,
out duration,
out bool sense);
LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.In, out duration, out bool sense);
Error = LastError != 0;
@@ -862,8 +801,8 @@ public partial class Device
/// <param name="blockSize">Block size in bytes.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool RecoverBufferedData(out byte[] buffer, out byte[] senseBuffer, uint blocks, uint blockSize,
uint timeout, out double duration) =>
public bool RecoverBufferedData(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, uint blocks, uint blockSize,
uint timeout, out double duration) =>
RecoverBufferedData(out buffer, out senseBuffer, false, true, blocks, blockSize, timeout, out duration);
/// <summary>Reads the specified number of bytes or of blocks from the device's buffer</summary>
@@ -874,8 +813,8 @@ public partial class Device
/// <param name="blockSize">Block size in bytes.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool RecoverBufferedData(out byte[] buffer, out byte[] senseBuffer, bool sili, uint transferLen,
uint blockSize, uint timeout, out double duration) =>
public bool RecoverBufferedData(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, bool sili, uint transferLen,
uint blockSize, uint timeout, out double duration) =>
RecoverBufferedData(out buffer, out senseBuffer, sili, false, transferLen, blockSize, timeout, out duration);
/// <summary>Reads the specified number of bytes or of blocks from the device's buffer</summary>
@@ -893,13 +832,13 @@ public partial class Device
/// <param name="blockSize">Block size in bytes.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool RecoverBufferedData(out byte[] buffer, out byte[] senseBuffer, bool sili, bool fixedLen,
uint transferLen, uint blockSize, uint timeout, out double duration)
public bool RecoverBufferedData(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, bool sili, bool fixedLen,
uint transferLen, uint blockSize, uint timeout, out double duration)
{
buffer = fixedLen ? new byte[blockSize * transferLen] : new byte[transferLen];
Span<byte> cdb = CdbBuffer[..6];
cdb.Clear();
senseBuffer = new byte[64];
senseBuffer = SenseBuffer;
cdb[0] = (byte)ScsiCommands.RecoverBufferedData;
@@ -911,13 +850,7 @@ public partial class Device
cdb[3] = (byte)((transferLen & 0xFF00) >> 8);
cdb[4] = (byte)(transferLen & 0xFF);
LastError = SendScsiCommand(cdb,
ref buffer,
out senseBuffer,
timeout,
ScsiDirection.In,
out duration,
out bool sense);
LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.In, out duration, out bool sense);
Error = LastError != 0;
@@ -931,7 +864,8 @@ public partial class Device
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool ReportDensitySupport(out byte[] buffer, out byte[] senseBuffer, uint timeout, out double duration) =>
public bool ReportDensitySupport(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, uint timeout,
out double duration) =>
ReportDensitySupport(out buffer, out senseBuffer, false, false, timeout, out duration);
/// <summary>Requests the device to return descriptors for supported densities or medium types</summary>
@@ -940,8 +874,8 @@ public partial class Device
/// <param name="currentMedia">If set to <c>true</c> descriptors should apply to currently inserted media.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool ReportDensitySupport(out byte[] buffer, out byte[] senseBuffer, bool currentMedia, uint timeout,
out double duration) =>
public bool ReportDensitySupport(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, bool currentMedia,
uint timeout, out double duration) =>
ReportDensitySupport(out buffer, out senseBuffer, false, currentMedia, timeout, out duration);
/// <summary>Requests the device to return descriptors for supported densities or medium types</summary>
@@ -951,13 +885,13 @@ public partial class Device
/// <param name="currentMedia">If set to <c>true</c> descriptors should apply to currently inserted media.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool ReportDensitySupport(out byte[] buffer, out byte[] senseBuffer, bool mediumType, bool currentMedia,
uint timeout, out double duration)
public bool ReportDensitySupport(out byte[] buffer, out ReadOnlySpan<byte> senseBuffer, bool mediumType,
bool currentMedia, uint timeout, out double duration)
{
buffer = new byte[256];
Span<byte> cdb = CdbBuffer[..10];
cdb.Clear();
senseBuffer = new byte[64];
senseBuffer = SenseBuffer;
cdb[0] = (byte)ScsiCommands.ReportDensitySupport;
@@ -968,13 +902,7 @@ public partial class Device
cdb[7] = (byte)((buffer.Length & 0xFF00) >> 8);
cdb[8] = (byte)(buffer.Length & 0xFF);
LastError = SendScsiCommand(cdb,
ref buffer,
out senseBuffer,
timeout,
ScsiDirection.In,
out duration,
out bool sense);
LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.In, out duration, out bool sense);
Error = LastError != 0;
@@ -984,15 +912,9 @@ public partial class Device
buffer = new byte[availableLength];
cdb[7] = (byte)((buffer.Length & 0xFF00) >> 8);
cdb[8] = (byte)(buffer.Length & 0xFF);
senseBuffer = new byte[64];
senseBuffer = SenseBuffer;
LastError = SendScsiCommand(cdb,
ref buffer,
out senseBuffer,
timeout,
ScsiDirection.In,
out duration,
out sense);
LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.In, out duration, out sense);
Error = LastError != 0;
@@ -1005,7 +927,7 @@ public partial class Device
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool Rewind(out byte[] senseBuffer, uint timeout, out double duration) =>
public bool Rewind(out ReadOnlySpan<byte> senseBuffer, uint timeout, out double duration) =>
Rewind(out senseBuffer, false, timeout, out duration);
/// <summary>Positions the reading/writing element to the beginning of current partition</summary>
@@ -1013,9 +935,9 @@ public partial class Device
/// <param name="immediate">If set to <c>true</c> return from the command immediately.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool Rewind(out byte[] senseBuffer, bool immediate, uint timeout, out double duration)
public bool Rewind(out ReadOnlySpan<byte> senseBuffer, bool immediate, uint timeout, out double duration)
{
senseBuffer = new byte[64];
senseBuffer = SenseBuffer;
Span<byte> cdb = CdbBuffer[..6];
cdb.Clear();
byte[] buffer = [];
@@ -1024,13 +946,7 @@ public partial class Device
if(immediate) cdb[1] += 0x01;
LastError = SendScsiCommand(cdb,
ref buffer,
out senseBuffer,
timeout,
ScsiDirection.None,
out duration,
out bool sense);
LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.None, out duration, out bool sense);
Error = LastError != 0;
@@ -1045,9 +961,9 @@ public partial class Device
/// <param name="track">Track.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool TrackSelect(out byte[] senseBuffer, byte track, uint timeout, out double duration)
public bool TrackSelect(out ReadOnlySpan<byte> senseBuffer, byte track, uint timeout, out double duration)
{
senseBuffer = new byte[64];
senseBuffer = SenseBuffer;
Span<byte> cdb = CdbBuffer[..6];
cdb.Clear();
byte[] buffer = [];
@@ -1055,13 +971,7 @@ public partial class Device
cdb[0] = (byte)ScsiCommands.TrackSelect;
cdb[5] = track;
LastError = SendScsiCommand(cdb,
ref buffer,
out senseBuffer,
timeout,
ScsiDirection.None,
out duration,
out bool sense);
LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.None, out duration, out bool sense);
Error = LastError != 0;
@@ -1077,9 +987,10 @@ public partial class Device
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
/// <returns><c>true</c>, if select was tracked, <c>false</c> otherwise.</returns>
public bool Space(out byte[] senseBuffer, SscSpaceCodes code, int count, uint timeout, out double duration)
public bool Space(out ReadOnlySpan<byte> senseBuffer, SscSpaceCodes code, int count, uint timeout,
out double duration)
{
senseBuffer = new byte[64];
senseBuffer = SenseBuffer;
Span<byte> cdb = CdbBuffer[..6];
cdb.Clear();
byte[] buffer = [];
@@ -1091,13 +1002,7 @@ public partial class Device
cdb[3] = countB[1];
cdb[4] = countB[0];
LastError = SendScsiCommand(cdb,
ref buffer,
out senseBuffer,
timeout,
ScsiDirection.None,
out duration,
out bool sense);
LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.None, out duration, out bool sense);
Error = LastError != 0;