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Implemented decoding MODE SENSE.

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Natalia Portillo
2015-10-31 19:41:58 +00:00
parent 132517fdf2
commit cd1ce818ff
2 changed files with 119 additions and 0 deletions
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5
DiscImageChef.Decoders/ChangeLog
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@@ -1,3 +1,8 @@
2015-10-31 Natalia Portillo <claunia@claunia.com>
* SCSI/Modes.cs:
Implemented decoding MODE SENSE.
2015-10-31 Natalia Portillo <claunia@claunia.com> 2015-10-31 Natalia Portillo <claunia@claunia.com>
* SCSI/Modes.cs: * SCSI/Modes.cs:

114
DiscImageChef.Decoders/SCSI/Modes.cs
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@@ -37,6 +37,7 @@
// //$Id$ // //$Id$
using System; using System;
using System.Text; using System.Text;
using System.Collections.Generic;
namespace DiscImageChef.Decoders.SCSI namespace DiscImageChef.Decoders.SCSI
{ {
@@ -5734,6 +5735,119 @@ namespace DiscImageChef.Decoders.SCSI
return sb.ToString(); return sb.ToString();
} }
#endregion Mode Page 0x00: Drive Operation Mode page #endregion Mode Page 0x00: Drive Operation Mode page
public struct PageNumber
{
public byte Page;
public byte Subpage;
public byte[] PageResponse;
}
public struct DecodedMode
{
public ModeHeader Header;
public PageNumber[] Pages;
}
public static DecodedMode? DecodeMode6(byte[] modeResponse, PeripheralDeviceTypes deviceType)
{
ModeHeader? hdr = DecodeModeHeader6(modeResponse, deviceType);
if (!hdr.HasValue)
return null;
DecodedMode decoded = new DecodedMode();
decoded.Header = hdr.Value;
int offset = 4 + decoded.Header.BlockDescriptors.Length * 8;
int length = modeResponse[0];
if(length != modeResponse.Length)
return decoded;
List<PageNumber> listpages = new List<PageNumber>();
while(offset < modeResponse.Length)
{
bool isSubpage = (modeResponse[offset] & 0x40) == 0x40;
PageNumber pg = new PageNumber();
if(isSubpage)
{
pg.PageResponse = new byte[(modeResponse[offset + 2] << 8) + modeResponse[offset + 3] + 4];
Array.Copy(modeResponse, offset, pg.PageResponse, 0, pg.PageResponse.Length);
pg.Page = (byte)(modeResponse[offset] & 0x3F);
pg.Subpage = modeResponse[offset + 1];
offset += pg.PageResponse.Length;
}
else
{
pg.PageResponse = new byte[modeResponse[offset + 1] + 2];
Array.Copy(modeResponse, offset, pg.PageResponse, 0, pg.PageResponse.Length);
pg.Page = (byte)(modeResponse[offset] & 0x3F);
pg.Subpage = 0;
offset += pg.PageResponse.Length;
}
listpages.Add(pg);
}
decoded.Pages = listpages.ToArray();
return decoded;
}
public static DecodedMode? DecodeMode10(byte[] modeResponse, PeripheralDeviceTypes deviceType)
{
ModeHeader? hdr = DecodeModeHeader10(modeResponse, deviceType);
if (!hdr.HasValue)
return null;
DecodedMode decoded = new DecodedMode();
decoded.Header = hdr.Value;
bool longlba = (modeResponse[4] & 0x01) == 0x01;
int offset;
if(longlba)
offset = 8 + decoded.Header.BlockDescriptors.Length * 16;
else
offset = 8 + decoded.Header.BlockDescriptors.Length * 8;
int length = (modeResponse[0] << 8);
length += modeResponse[1];
if(length != modeResponse.Length)
return decoded;
List<PageNumber> listpages = new List<PageNumber>();
while(offset < modeResponse.Length)
{
bool isSubpage = (modeResponse[offset] & 0x40) == 0x40;
PageNumber pg = new PageNumber();
if(isSubpage)
{
pg.PageResponse = new byte[(modeResponse[offset + 2] << 8) + modeResponse[offset + 3] + 4];
Array.Copy(modeResponse, offset, pg.PageResponse, 0, pg.PageResponse.Length);
pg.Page = (byte)(modeResponse[offset] & 0x3F);
pg.Subpage = modeResponse[offset + 1];
offset += pg.PageResponse.Length;
}
else
{
pg.PageResponse = new byte[modeResponse[offset + 1] + 2];
Array.Copy(modeResponse, offset, pg.PageResponse, 0, pg.PageResponse.Length);
pg.Page = (byte)(modeResponse[offset] & 0x3F);
pg.Subpage = 0;
offset += pg.PageResponse.Length;
}
listpages.Add(pg);
}
decoded.Pages = listpages.ToArray();
return decoded;
}
} }
} }