public static string PrettifyModePage_03(ModePage_03?modePage)
{
if (!modePage.HasValue)
{
return(null);
}
ModePage_03 page = modePage.Value;
StringBuilder sb = new StringBuilder();
sb.AppendLine("SCSI Format device page:");
if (page.PS)
{
sb.AppendLine("\tParameters can be saved");
}
sb
.AppendFormat("\t{0} tracks per zone to use in dividing the capacity for the purpose of allocating alternate sectors",
page.TracksPerZone).AppendLine();
sb.AppendFormat("\t{0} sectors per zone that shall be reserved for defect handling", page.AltSectorsPerZone)
.AppendLine();
sb.AppendFormat("\t{0} tracks per zone that shall be reserved for defect handling", page.AltTracksPerZone)
.AppendLine();
sb.AppendFormat("\t{0} tracks per LUN that shall be reserved for defect handling", page.AltTracksPerLun)
.AppendLine();
sb.AppendFormat("\t{0} physical sectors per track", page.SectorsPerTrack).AppendLine();
sb.AppendFormat("\t{0} Bytes per physical sector", page.BytesPerSector).AppendLine();
sb.AppendFormat("\tTarget-dependent interleave value is {0}", page.Interleave).AppendLine();
sb.AppendFormat("\t{0} sectors between last block of one track and first block of the next", page.TrackSkew)
.AppendLine();
sb.AppendFormat("\t{0} sectors between last block of a cylinder and first block of the next one",
page.CylinderSkew).AppendLine();
if (page.SSEC)
{
sb.AppendLine("\tDrive supports soft-sectoring format");
}
if (page.HSEC)
{
sb.AppendLine("\tDrive supports hard-sectoring format");
}
if (page.RMB)
{
sb.AppendLine("\tDrive media is removable");
}
if (page.SURF)
{
sb.AppendLine("\tSector addressing is progressively incremented in one surface before going to the next");
}
else
{
sb.AppendLine("\tSector addressing is progressively incremented in one cylinder before going to the next");
}
return(sb.ToString());
}
public static ModePage_03?DecodeModePage_03(byte[] pageResponse)
{
if ((pageResponse?[0] &0x40) == 0x40)
{
return(null);
}
if ((pageResponse?[0] &0x3F) != 0x03)
{
return(null);
}
if (pageResponse[1] + 2 != pageResponse.Length)
{
return(null);
}
if (pageResponse.Length < 24)
{
return(null);
}
var decoded = new ModePage_03();
decoded.PS |= (pageResponse[0] & 0x80) == 0x80;
decoded.TracksPerZone = (ushort)((pageResponse[2] << 8) + pageResponse[3]);
decoded.AltSectorsPerZone = (ushort)((pageResponse[4] << 8) + pageResponse[5]);
decoded.AltTracksPerZone = (ushort)((pageResponse[6] << 8) + pageResponse[7]);
decoded.AltTracksPerLun = (ushort)((pageResponse[8] << 8) + pageResponse[9]);
decoded.SectorsPerTrack = (ushort)((pageResponse[10] << 8) + pageResponse[11]);
decoded.BytesPerSector = (ushort)((pageResponse[12] << 8) + pageResponse[13]);
decoded.Interleave = (ushort)((pageResponse[14] << 8) + pageResponse[15]);
decoded.TrackSkew = (ushort)((pageResponse[16] << 8) + pageResponse[17]);
decoded.CylinderSkew = (ushort)((pageResponse[18] << 8) + pageResponse[19]);
decoded.SSEC |= (pageResponse[20] & 0x80) == 0x80;
decoded.HSEC |= (pageResponse[20] & 0x40) == 0x40;
decoded.RMB |= (pageResponse[20] & 0x20) == 0x20;
decoded.SURF |= (pageResponse[20] & 0x10) == 0x10;
return(decoded);
}
