diff --git a/ChangeLog b/ChangeLog index 0efc427..ceb94db 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,14 @@ +2016-01-15 Natalia Portillo + + * SCSI/SSC/BlockLimits.cs: + * SCSI/SSC/DensitySupport.cs: + * DiscImageChef.Decoders.csproj: + Added decoders for SCSI SSC READ BLOCK LIMITS and REPORT + DENSITY SUPPORT. + + * SCSI/Modes.cs: + Corrected mode size. + 2015-12-30 Natalia Portillo * SCSI/Inquiry.cs: diff --git a/DiscImageChef.Decoders.csproj b/DiscImageChef.Decoders.csproj index 9040f9c..d7ff939 100644 --- a/DiscImageChef.Decoders.csproj +++ b/DiscImageChef.Decoders.csproj @@ -87,6 +87,8 @@ + + @@ -108,6 +110,7 @@ + diff --git a/SCSI/Modes.cs b/SCSI/Modes.cs index 9548f24..6d0c867 100644 --- a/SCSI/Modes.cs +++ b/SCSI/Modes.cs @@ -5362,7 +5362,7 @@ namespace DiscImageChef.Decoders.SCSI if (pageResponse[1] + 2 != pageResponse.Length) return null; - if (pageResponse.Length < 24) + if (pageResponse.Length < 16) return null; ModePage_0F decoded = new ModePage_0F(); diff --git a/SCSI/SSC/BlockLimits.cs b/SCSI/SSC/BlockLimits.cs new file mode 100644 index 0000000..d9c45a7 --- /dev/null +++ b/SCSI/SSC/BlockLimits.cs @@ -0,0 +1,108 @@ +// /*************************************************************************** +// The Disc Image Chef +// ---------------------------------------------------------------------------- +// +// Filename : BlockLimits.cs +// Version : 1.0 +// Author(s) : Natalia Portillo +// +// Component : Component +// +// Revision : $Revision$ +// Last change by : $Author$ +// Date : $Date$ +// +// --[ Description ] ---------------------------------------------------------- +// +// Description +// +// --[ License ] -------------------------------------------------------------- +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as +// published by the Free Software Foundation, either version 3 of the +// License, or (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see . +// +// ---------------------------------------------------------------------------- +// Copyright (C) 2011-2015 Claunia.com +// ****************************************************************************/ +// //$Id$ +using System; +using System.Text; + +namespace DiscImageChef.Decoders.SCSI.SSC +{ + public static class BlockLimits + { + public struct BlockLimitsData + { + /// + /// All blocks size must be multiple of 2^ + /// + public byte granularity; + /// + /// Maximum block length in bytes + /// + public uint maxBlockLen; + /// + /// Minimum block length in bytes + /// + public ushort minBlockLen; + } + + public static BlockLimitsData? Decode(byte[] response) + { + if (response == null) + return null; + + if (response.Length != 6) + return null; + + BlockLimitsData dec = new BlockLimitsData(); + + dec.granularity = (byte)(response[0] & 0x1F); + dec.maxBlockLen = (uint)((response[1] << 16) + (response[2] << 8) + response[3]); + dec.minBlockLen = (ushort)((response[4] << 8) + response[5]); + + return dec; + } + + public static string Prettify(BlockLimitsData? decoded) + { + if (decoded == null) + return null; + + StringBuilder sb = new StringBuilder(); + + if (decoded.Value.maxBlockLen == decoded.Value.minBlockLen) + sb.AppendFormat("Device's block size is fixed at {0} bytes", decoded.Value.minBlockLen).AppendLine(); + else + { + if (decoded.Value.maxBlockLen > 0) + sb.AppendFormat("Device's maximum block size is {0} bytes", decoded.Value.maxBlockLen).AppendLine(); + else + sb.AppendLine("Device does not specify a maximum block size"); + sb.AppendFormat("Device's minimum block size is {0} bytes", decoded.Value.minBlockLen).AppendLine(); + + if (decoded.Value.granularity > 0) + sb.AppendFormat("Device's needs a block size granularity of 2^{0} ({1}) bytes", decoded.Value.granularity, Math.Pow(2, (double)decoded.Value.granularity)).AppendLine(); + } + + return sb.ToString(); + } + + public static string Prettify(byte[] response) + { + return Prettify(Decode(response)); + } + } +} + diff --git a/SCSI/SSC/DensitySupport.cs b/SCSI/SSC/DensitySupport.cs new file mode 100644 index 0000000..a8e821b --- /dev/null +++ b/SCSI/SSC/DensitySupport.cs @@ -0,0 +1,278 @@ +// /*************************************************************************** +// The Disc Image Chef +// ---------------------------------------------------------------------------- +// +// Filename : DensitySupport.cs +// Version : 1.0 +// Author(s) : Natalia Portillo +// +// Component : Component +// +// Revision : $Revision$ +// Last change by : $Author$ +// Date : $Date$ +// +// --[ Description ] ---------------------------------------------------------- +// +// Description +// +// --[ License ] -------------------------------------------------------------- +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as +// published by the Free Software Foundation, either version 3 of the +// License, or (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see . +// +// ---------------------------------------------------------------------------- +// Copyright (C) 2011-2015 Claunia.com +// ****************************************************************************/ +// //$Id$ +using System; +using System.Collections.Generic; +using System.Text; + +namespace DiscImageChef.Decoders.SCSI.SSC +{ + public static class DensitySupport + { + public struct DensitySupportHeader + { + public ushort length; + public ushort reserved; + public DensitySupportDescriptor[] descriptors; + } + + public struct MediaTypeSupportHeader + { + public ushort length; + public ushort reserved; + public MediaTypeSupportDescriptor[] descriptors; + } + + public struct DensitySupportDescriptor + { + public byte primaryCode; + public byte secondaryCode; + public bool writable; + public bool duplicate; + public bool defaultDensity; + public byte reserved; + public bool lenvalid; + public ushort len; + public uint bpmm; + public ushort width; + public ushort tracks; + public uint capacity; + public string organization; + public string name; + public string description; + } + + public struct MediaTypeSupportDescriptor + { + public byte mediumType; + public byte reserved1; + public ushort len; + public byte numberOfCodes; + public byte[] densityCodes; + public ushort width; + public ushort length; + public byte reserved2; + public byte reserved3; + public string organization; + public string name; + public string description; + } + + public static DensitySupportHeader? DecodeDensity(byte[] response) + { + if (response == null) + return null; + + if (response.Length <= 56) + return null; + + ushort responseLen = (ushort)((response[0] << 8) + response[1] + 2); + + if (response.Length != responseLen) + return null; + + List descriptors = new List(); + int offset = 4; + byte[] tmp; + + while (offset < response.Length) + { + DensitySupportDescriptor descriptor = new DensitySupportDescriptor(); + descriptor.primaryCode = response[offset + 0]; + descriptor.secondaryCode = response[offset + 1]; + descriptor.writable |= (response[offset + 2] & 0x80) == 0x80; + descriptor.duplicate |= (response[offset + 2] & 0x40) == 0x40; + descriptor.defaultDensity |= (response[offset + 2] & 0x20) == 0x20; + descriptor.reserved = (byte)((response[offset + 2] & 0x1E) >> 1); + descriptor.lenvalid |= (response[offset + 2] & 0x01) == 0x01; + descriptor.len = (ushort)((response[offset + 3] << 8) + response[offset + 4]); + descriptor.bpmm = (uint)((response[offset + 5] << 16) + (response[offset + 6] << 8) + response[offset + 7]); + descriptor.width = (ushort)((response[offset + 8] << 8) + response[offset + 9]); + descriptor.tracks = (ushort)((response[offset + 10] << 8) + response[offset + 11]); + descriptor.capacity = (uint)((response[offset + 12] << 24) + (response[offset + 13] << 16) + (response[offset + 14] << 8) + response[offset + 15]); + tmp = new byte[8]; + Array.Copy(response, offset + 16, tmp, 0, 8); + descriptor.organization = StringHandlers.CToString(tmp).Trim(); + tmp = new byte[8]; + Array.Copy(response, offset + 24, tmp, 0, 8); + descriptor.name = StringHandlers.CToString(tmp).Trim(); + tmp = new byte[20]; + Array.Copy(response, offset + 32, tmp, 0, 20); + descriptor.description = StringHandlers.CToString(tmp).Trim(); + + if (descriptor.lenvalid) + offset += descriptor.len + 5; + else + offset += 52; + + descriptors.Add(descriptor); + } + + DensitySupportHeader decoded = new DensitySupportHeader(); + decoded.length = responseLen; + decoded.reserved = (ushort)((response[2] << 8) + response[3] + 2); + decoded.descriptors = descriptors.ToArray(); + + return decoded; + } + + public static string PrettifyDensity(DensitySupportHeader? density) + { + if (density == null) + return null; + + DensitySupportHeader decoded = density.Value; + StringBuilder sb = new StringBuilder(); + + foreach (DensitySupportDescriptor descriptor in decoded.descriptors) + { + sb.AppendFormat("Density \"{0}\" defined by \"{1}\".", descriptor.name, descriptor.organization).AppendLine(); + sb.AppendFormat("\tPrimary code: {0:X2}h", descriptor.primaryCode).AppendLine(); + if(descriptor.primaryCode != descriptor.secondaryCode) + sb.AppendFormat("\tSecondary code: {0:X2}h", descriptor.secondaryCode).AppendLine(); + if (descriptor.writable) + sb.AppendLine("\tDrive can write this density"); + if (descriptor.duplicate) + sb.AppendLine("\tThis descriptor is duplicated"); + if (descriptor.defaultDensity) + sb.AppendLine("\tThis is the default density on the drive"); + sb.AppendFormat("\tDensity has {0} bits per mm, with {1} tracks in a {2} mm width tape", + descriptor.bpmm, descriptor.tracks, (double)((double)descriptor.width / (double)10)).AppendLine(); + sb.AppendFormat("\tDensity maximum capacity is {0} megabytes", descriptor.capacity).AppendLine(); + sb.AppendFormat("\tDensity description: {0}", descriptor.description).AppendLine(); + sb.AppendLine(); + } + + return sb.ToString(); + } + + public static string PrettifyDensity(byte[] response) + { + return PrettifyDensity(DecodeDensity(response)); + } + + public static MediaTypeSupportHeader? DecodeMediumType(byte[] response) + { + if (response == null) + return null; + + if (response.Length <= 60) + return null; + + ushort responseLen = (ushort)((response[0] << 8) + response[1] + 2); + + if (response.Length != responseLen) + return null; + + List descriptors = new List(); + int offset = 4; + byte[] tmp; + + while (offset < response.Length) + { + MediaTypeSupportDescriptor descriptor = new MediaTypeSupportDescriptor(); + descriptor.mediumType = response[offset + 0]; + descriptor.reserved1 = response[offset + 1]; + descriptor.len = (ushort)((response[offset + 2] << 8) + response[offset + 3]); + if (descriptor.len != 52) + return null; + descriptor.numberOfCodes = response[offset + 4]; + descriptor.densityCodes = new byte[9]; + Array.Copy(response, offset + 5, descriptor.densityCodes, 0, 9); + descriptor.width = (ushort)((response[offset + 14] << 8) + response[offset + 15]); + descriptor.length = (ushort)((response[offset + 16] << 8) + response[offset + 17]); + descriptor.reserved1 = response[offset + 18]; + descriptor.reserved1 = response[offset + 19]; + tmp = new byte[8]; + Array.Copy(response, offset + 20, tmp, 0, 8); + descriptor.organization = StringHandlers.CToString(tmp).Trim(); + tmp = new byte[8]; + Array.Copy(response, offset + 28, tmp, 0, 8); + descriptor.name = StringHandlers.CToString(tmp).Trim(); + tmp = new byte[20]; + Array.Copy(response, offset + 36, tmp, 0, 20); + descriptor.description = StringHandlers.CToString(tmp).Trim(); + + offset += 56; + + descriptors.Add(descriptor); + } + + MediaTypeSupportHeader decoded = new MediaTypeSupportHeader(); + decoded.length = responseLen; + decoded.reserved = (ushort)((response[2] << 8) + response[3] + 2); + decoded.descriptors = descriptors.ToArray(); + + return decoded; + } + + public static string PrettifyMediumType(MediaTypeSupportHeader? mediumType) + { + if (mediumType == null) + return null; + + MediaTypeSupportHeader decoded = mediumType.Value; + StringBuilder sb = new StringBuilder(); + + foreach (MediaTypeSupportDescriptor descriptor in decoded.descriptors) + { + sb.AppendFormat("Medium type \"{0}\" defined by \"{1}\".", descriptor.name, descriptor.organization).AppendLine(); + sb.AppendFormat("\tMedium type code: {0:X2}h", descriptor.mediumType).AppendLine(); + if (descriptor.numberOfCodes > 0) + { + sb.AppendFormat("\tMedium supports following density codes:"); + for (int i = 0; i < descriptor.numberOfCodes; i++) + sb.AppendFormat(" {0:X2}h", descriptor.densityCodes[i]); + sb.AppendLine(); + } + + sb.AppendFormat("\tMedium has a nominal length of {0} m in a {1} mm width tape", + descriptor.length, (double)((double)descriptor.width / (double)10)).AppendLine(); + sb.AppendFormat("\tMedium description: {0}", descriptor.description).AppendLine(); + sb.AppendLine(); + } + + return sb.ToString(); + } + + public static string PrettifyMediumType(byte[] response) + { + return PrettifyMediumType(DecodeMediumType(response)); + } + } +} +