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https://github.com/aaru-dps/Aaru.Server.git
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Implemented decoding mode page 01h.
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@@ -2106,7 +2106,6 @@ namespace DiscImageChef.Decoders.SCSI
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return decoded;
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}
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public static string PrettifyModePage_0B(byte[] pageResponse)
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{
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return PrettifyModePage_0B(DecodeModePage_0B(pageResponse));
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@@ -2131,6 +2130,161 @@ namespace DiscImageChef.Decoders.SCSI
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return sb.ToString();
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}
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#endregion Mode Page 0x0B: Medium types supported page
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#region Mode Page 0x0C: Notch page
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// TODO: Implement this page
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#endregion Mode Page 0x0C: Notch page
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#region Mode Page 0x01: Read-write error recovery page
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/// <summary>
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/// Disconnect-reconnect page
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/// Page code 0x01
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/// 12 bytes in SCSI-2
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/// </summary>
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public struct ModePage_01
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{
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/// <summary>
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/// Parameters can be saved
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/// </summary>
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public bool PS;
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/// <summary>
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/// Automatic Write Reallocation Enabled
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/// </summary>
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public bool AWRE;
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/// <summary>
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/// Automatic Read Reallocation Enabled
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/// </summary>
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public bool ARRE;
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/// <summary>
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/// Transfer block
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/// </summary>
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public bool TB;
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/// <summary>
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/// Read continuous
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/// </summary>
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public bool RC;
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/// <summary>
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/// Enable early recovery
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/// </summary>
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public bool EER;
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/// <summary>
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/// Post error reporting
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/// </summary>
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public bool PER;
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/// <summary>
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/// Disable transfer on error
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/// </summary>
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public bool DTE;
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/// <summary>
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/// Disable correction
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/// </summary>
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public bool DCR;
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/// <summary>
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/// How many times to retry a read operation
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/// </summary>
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public byte ReadRetryCount;
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/// <summary>
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/// How many bits of largest data burst error is maximum to apply error correction on it
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/// </summary>
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public byte CorrectionSpan;
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/// <summary>
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/// Offset to move the heads
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/// </summary>
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public sbyte HeadOffsetCount;
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/// <summary>
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/// Incremental position to which the recovered data strobe shall be adjusted
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/// </summary>
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public sbyte DataStrobeOffsetCount;
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/// <summary>
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/// How many times to retry a write operation
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/// </summary>
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public byte WriteRetryCount;
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/// <summary>
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/// Maximum time in ms to use in data error recovery procedures
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/// </summary>
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public ushort RecoveryTimeLimit;
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}
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public static ModePage_01? DecodeModePage_01(byte[] pageResponse)
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{
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if (pageResponse == null)
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return null;
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if ((pageResponse[0] & 0x3F) != 0x01)
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return null;
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if (pageResponse[1] + 2 != pageResponse.Length)
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return null;
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if (pageResponse.Length < 12)
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return null;
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ModePage_01 decoded = new ModePage_01();
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decoded.PS |= (pageResponse[0] & 0x80) == 0x80;
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decoded.AWRE |= (pageResponse[2] & 0x80) == 0x80;
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decoded.ARRE |= (pageResponse[2] & 0x40) == 0x40;
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decoded.TB |= (pageResponse[2] & 0x20) == 0x20;
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decoded.RC |= (pageResponse[2] & 0x10) == 0x10;
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decoded.EER |= (pageResponse[2] & 0x08) == 0x08;
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decoded.PER |= (pageResponse[2] & 0x04) == 0x04;
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decoded.DTE |= (pageResponse[2] & 0x02) == 0x02;
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decoded.DCR |= (pageResponse[2] & 0x01) == 0x01;
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decoded.ReadRetryCount = pageResponse[3];
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decoded.CorrectionSpan = pageResponse[4];
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decoded.HeadOffsetCount = (sbyte)pageResponse[5];
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decoded.DataStrobeOffsetCount = (sbyte)pageResponse[6];
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decoded.WriteRetryCount = pageResponse[8];
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decoded.RecoveryTimeLimit = (ushort)((pageResponse[10] << 8) + pageResponse[11]);
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return decoded;
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}
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public static string PrettifyModePage_01(byte[] pageResponse)
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{
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return PrettifyModePage_01(DecodeModePage_01(pageResponse));
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}
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public static string PrettifyModePage_01(ModePage_01? modePage)
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{
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if (!modePage.HasValue)
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return null;
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ModePage_01 page = modePage.Value;
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StringBuilder sb = new StringBuilder();
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sb.AppendLine("SCSI Read-write error recovery page:");
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if (page.PS)
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sb.AppendLine("\tParameters can be saved");
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if (page.AWRE)
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sb.AppendLine("\tAutomatic write reallocation is enabled");
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if (page.ARRE)
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sb.AppendLine("\tAutomatic read reallocation is enabled");
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if (page.TB)
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sb.AppendLine("\tData not recovered within limits shall be transferred back before a CHECK CONDITION");
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if (page.RC)
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sb.AppendLine("\tDrive will transfer the entire requested length without delaying to perform error recovery");
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if (page.EER)
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sb.AppendLine("\tDrive will use the most expedient form of error recovery first");
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if (page.PER)
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sb.AppendLine("\tDrive shall report recovered errors");
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if (page.DTE)
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sb.AppendLine("\tTransfer will be terminated upon error detection");
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if (page.DCR)
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sb.AppendLine("\tError correction is disabled");
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if (page.ReadRetryCount > 0)
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sb.AppendFormat("\tDrive will repeat read operations {0} times", page.ReadRetryCount).AppendLine();
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if (page.WriteRetryCount > 0)
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sb.AppendFormat("\tDrive will repeat write operations {0} times", page.WriteRetryCount).AppendLine();
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if (page.RecoveryTimeLimit > 0)
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sb.AppendFormat("\tDrive will employ a maximum of {0} ms to recover data", page.RecoveryTimeLimit).AppendLine();
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return sb.ToString();
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}
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#endregion Mode Page 0x01: Read-write error recovery page
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}
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}
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