public static string PrettifyModePage_0A(ModePage_0A?modePage)
{
if (!modePage.HasValue)
{
return(null);
}
ModePage_0A page = modePage.Value;
var sb = new StringBuilder();
sb.AppendLine("SCSI Control mode page:");
if (page.PS)
{
sb.AppendLine("\tParameters can be saved");
}
if (page.RLEC)
{
sb.AppendLine("\tIf set, target shall report log exception conditions");
}
if (page.DQue)
{
sb.AppendLine("\tTagged queuing is disabled");
}
if (page.EECA)
{
sb.AppendLine("\tExtended Contingent Allegiance is enabled");
}
if (page.RAENP)
{
sb.AppendLine("\tTarget may issue an asynchronous event notification upon completing its initialization");
}
if (page.UAAENP)
{
sb.AppendLine("\tTarget may issue an asynchronous event notification instead of a unit attention condition");
}
if (page.EAENP)
{
sb.AppendLine("\tTarget may issue an asynchronous event notification instead of a deferred error");
}
if (page.GLTSD)
{
sb.AppendLine("\tGlobal logging target save disabled");
}
if (page.RAC)
{
sb.AppendLine("\tCHECK CONDITION should be reported rather than a long busy condition");
}
if (page.SWP)
{
sb.AppendLine("\tSoftware write protect is active");
}
if (page.TAS)
{
sb.AppendLine("\tTasks aborted by other initiator's actions should be terminated with TASK ABORTED");
}
if (page.TMF_ONLY)
{
sb.AppendLine("\tAll tasks received in nexus with ACA ACTIVE is set and an ACA condition is established shall terminate");
}
if (page.D_SENSE)
{
sb.AppendLine("\tDevice shall return descriptor format sense data when returning sense data in the same transactions as a CHECK CONDITION");
}
if (page.ATO)
{
sb.AppendLine("\tLOGICAL BLOCK APPLICATION TAG should not be modified");
}
if (page.DPICZ)
{
sb.AppendLine("\tProtector information checking is disabled");
}
if (page.NUAR)
{
sb.AppendLine("\tNo unit attention on release");
}
if (page.ATMPE)
{
sb.AppendLine("\tApplication Tag mode page is enabled");
}
if (page.RWWP)
{
sb.AppendLine("\tAbort any write command without protection information");
}
if (page.SBLP)
{
sb.AppendLine("\tSupportes block lengths and protection information");
}
switch (page.TST)
{
case 0:
sb.AppendLine("\tThe logical unit maintains one task set for all nexuses");
break;
case 1:
sb.AppendLine("\tThe logical unit maintains separate task sets for each nexus");
break;
default:
sb.AppendFormat("\tUnknown Task set type {0}", page.TST).AppendLine();
break;
}
switch (page.QueueAlgorithm)
{
case 0:
sb.AppendLine("\tCommands should be sent strictly ordered");
break;
case 1:
sb.AppendLine("\tCommands can be reordered in any manner");
break;
default:
sb.AppendFormat("\tUnknown Queue Algorithm Modifier {0}", page.QueueAlgorithm).AppendLine();
break;
}
switch (page.QErr)
{
case 0:
sb.AppendLine("\tIf ACA is established, the task set commands shall resume after it is cleared, otherwise they shall terminate with CHECK CONDITION");
break;
case 1:
sb.AppendLine("\tAll the affected commands in the task set shall be aborted when CHECK CONDITION is returned");
break;
case 3:
sb.AppendLine("\tAffected commands in the task set belonging with the CHECK CONDITION nexus shall be aborted");
break;
default:
sb.AppendLine("\tReserved QErr value 2 is set");
break;
}
switch (page.UA_INTLCK_CTRL)
{
case 0:
sb.AppendLine("\tLUN shall clear unit attention condition reported in the same nexus");
break;
case 2:
sb.AppendLine("\tLUN shall not clear unit attention condition reported in the same nexus");
break;
case 3:
sb.AppendLine("\tLUN shall not clear unit attention condition reported in the same nexus and shall establish a unit attention condition for the initiator");
break;
default:
sb.AppendLine("\tReserved UA_INTLCK_CTRL value 1 is set");
break;
}
switch (page.AutoloadMode)
{
case 0:
sb.AppendLine("\tOn medium insertion, it shall be loaded for full access");
break;
case 1:
sb.AppendLine("\tOn medium insertion, it shall be loaded for auxiliary memory access only");
break;
case 2:
sb.AppendLine("\tOn medium insertion, it shall not be loaded");
break;
default:
sb.AppendFormat("\tReserved autoload mode {0} set", page.AutoloadMode).AppendLine();
break;
}
if (page.ReadyAENHoldOffPeriod > 0)
{
sb.AppendFormat("\t{0} ms before attempting asynchronous event notifications after initialization",
page.ReadyAENHoldOffPeriod).AppendLine();
}
if (page.BusyTimeoutPeriod > 0)
{
if (page.BusyTimeoutPeriod == 0xFFFF)
{
sb.AppendLine("\tThere is no limit on the maximum time that is allowed to remain busy");
}
else
{
sb.AppendFormat("\tA maximum of {0} ms are allowed to remain busy", page.BusyTimeoutPeriod * 100).
AppendLine();
}
}
if (page.ExtendedSelfTestCompletionTime > 0)
{
sb.AppendFormat("\t{0} seconds to complete extended self-test", page.ExtendedSelfTestCompletionTime);
}
return(sb.ToString());
}
public static ModePage_0A?DecodeModePage_0A(byte[] pageResponse)
{
if ((pageResponse?[0] &0x40) == 0x40)
{
return(null);
}
if ((pageResponse?[0] &0x3F) != 0x0A)
{
return(null);
}
if (pageResponse[1] + 2 != pageResponse.Length)
{
return(null);
}
if (pageResponse.Length < 8)
{
return(null);
}
var decoded = new ModePage_0A();
decoded.PS |= (pageResponse[0] & 0x80) == 0x80;
decoded.RLEC |= (pageResponse[2] & 0x01) == 0x01;
decoded.QueueAlgorithm = (byte)((pageResponse[3] & 0xF0) >> 4);
decoded.QErr = (byte)((pageResponse[3] & 0x06) >> 1);
decoded.DQue |= (pageResponse[3] & 0x01) == 0x01;
decoded.EECA |= (pageResponse[4] & 0x80) == 0x80;
decoded.RAENP |= (pageResponse[4] & 0x04) == 0x04;
decoded.UAAENP |= (pageResponse[4] & 0x02) == 0x02;
decoded.EAENP |= (pageResponse[4] & 0x01) == 0x01;
decoded.ReadyAENHoldOffPeriod = (ushort)((pageResponse[6] << 8) + pageResponse[7]);
if (pageResponse.Length < 10)
{
return(decoded);
}
// SPC-1
decoded.GLTSD |= (pageResponse[2] & 0x02) == 0x02;
decoded.RAC |= (pageResponse[4] & 0x40) == 0x40;
decoded.SWP |= (pageResponse[4] & 0x08) == 0x08;
decoded.BusyTimeoutPeriod = (ushort)((pageResponse[8] << 8) + pageResponse[9]);
// SPC-2
decoded.TST = (byte)((pageResponse[2] & 0xE0) >> 5);
decoded.TAS |= (pageResponse[4] & 0x80) == 0x80;
decoded.AutoloadMode = (byte)(pageResponse[5] & 0x07);
decoded.BusyTimeoutPeriod = (ushort)((pageResponse[10] << 8) + pageResponse[11]);
// SPC-3
decoded.TMF_ONLY |= (pageResponse[2] & 0x10) == 0x10;
decoded.D_SENSE |= (pageResponse[2] & 0x04) == 0x04;
decoded.UA_INTLCK_CTRL = (byte)((pageResponse[4] & 0x30) >> 4);
decoded.TAS |= (pageResponse[5] & 0x40) == 0x40;
decoded.ATO |= (pageResponse[5] & 0x80) == 0x80;
// SPC-5
decoded.DPICZ |= (pageResponse[2] & 0x08) == 0x08;
decoded.NUAR |= (pageResponse[3] & 0x08) == 0x08;
decoded.ATMPE |= (pageResponse[5] & 0x20) == 0x20;
decoded.RWWP |= (pageResponse[5] & 0x10) == 0x10;
decoded.SBLP |= (pageResponse[5] & 0x08) == 0x08;
return(decoded);
}
