From 55b038daaf52e78a9850687d5546b5807186d119 Mon Sep 17 00:00:00 2001
From: Natalia Portillo <claunia@claunia.com>
Date: Thu, 13 Oct 2016 21:31:30 +0100
Subject: [PATCH] 	Added MODE PAGE 1Dh

---
 DiscImageChef.Decoders/ChangeLog     |  4 ++
 DiscImageChef.Decoders/SCSI/Modes.cs | 93 ++++++++++++++++++++++++++++
 DiscImageChef/ChangeLog              |  5 ++
 DiscImageChef/Commands/DeviceInfo.cs |  9 +++
 4 files changed, 111 insertions(+)

diff --git a/DiscImageChef.Decoders/ChangeLog b/DiscImageChef.Decoders/ChangeLog
index 1a84aaf51..4cf443887 100644
--- a/DiscImageChef.Decoders/ChangeLog
+++ b/DiscImageChef.Decoders/ChangeLog
@@ -1,3 +1,7 @@
+2016-10-13  Natalia Portillo  <claunia@claunia.com>
+
+	* Modes.cs: Added MODE PAGE 1Dh
+
 2016-10-13  Natalia Portillo  <claunia@claunia.com>
 
 	* EVPD.cs:
diff --git a/DiscImageChef.Decoders/SCSI/Modes.cs b/DiscImageChef.Decoders/SCSI/Modes.cs
index 7c0ac62e6..455998fca 100644
--- a/DiscImageChef.Decoders/SCSI/Modes.cs
+++ b/DiscImageChef.Decoders/SCSI/Modes.cs
@@ -7396,6 +7396,99 @@ namespace DiscImageChef.Decoders.SCSI
 
         #endregion Certance Mode Page 0x22: Interface Control Mode Page
 
+        #region Mode Page 0x1D: Medium Configuration Mode Page
+        public struct ModePage_1D
+        {
+            /// <summary>
+            /// Parameters can be saved
+            /// </summary>
+            public bool PS;
+            public bool WORMM;
+            public byte WormModeLabelRestrictions;
+            public byte WormModeFilemarkRestrictions;
+        }
+
+        public static ModePage_1D? DecodeModePage_1D(byte[] pageResponse)
+        {
+            if(pageResponse == null)
+                return null;
+
+            if((pageResponse[0] & 0x40) == 0x40)
+                return null;
+
+            if((pageResponse[0] & 0x3F) != 0x1D)
+                return null;
+
+            if(pageResponse[1] + 2 != pageResponse.Length)
+                return null;
+
+            if(pageResponse.Length < 32)
+                return null;
+
+            ModePage_1D decoded = new ModePage_1D();
+
+            decoded.PS |= (pageResponse[0] & 0x80) == 0x80;
+            decoded.WORMM |= (pageResponse[2] & 0x01) == 0x01;
+            decoded.WormModeLabelRestrictions = pageResponse[4];
+            decoded.WormModeFilemarkRestrictions = pageResponse[5];
+
+            return decoded;
+        }
+
+        public static string PrettifyModePage_1D(byte[] pageResponse)
+        {
+            return PrettifyModePage_1D(DecodeModePage_1D(pageResponse));
+        }
+
+        public static string PrettifyModePage_1D(ModePage_1D? modePage)
+        {
+            if(!modePage.HasValue)
+                return null;
+
+            ModePage_1D page = modePage.Value;
+            StringBuilder sb = new StringBuilder();
+
+            sb.AppendLine("SCSI Medium Configuration Mode Page:");
+
+            if(page.PS)
+                sb.AppendLine("\tParameters can be saved");
+
+            if(page.WORMM)
+                sb.AppendLine("\tDrive is operating in WORM mode");
+
+            switch(page.WormModeLabelRestrictions)
+            {
+                case 0:
+                    sb.AppendLine("\tDrive does not allow any logical blocks to be overwritten");
+                    break;
+                case 1:
+                    sb.AppendLine("\tDrive allows a tape header to be overwritten");
+                    break;
+                case 2:
+                    sb.AppendLine("\tDrive allows all format labels to be overwritten");
+                    break;
+                default:
+                    sb.AppendFormat("\tUnknown WORM mode label restrictions code {0}", page.WormModeLabelRestrictions).AppendLine();
+                    break;
+            }
+
+            switch(page.WormModeFilemarkRestrictions)
+            {
+                case 2:
+                    sb.AppendLine("\tDrive allows any number of filemarks immediately preceding EOD to be overwritten except filemark closes to BOP");
+                    break;
+                case 3:
+                    sb.AppendLine("\tDrive allows any number of filemarks immediately preceding EOD to be overwritten");
+                    break;
+                default:
+                    sb.AppendFormat("\tUnknown WORM mode filemark restrictions code {0}", page.WormModeLabelRestrictions).AppendLine();
+                    break;
+            }
+
+            return sb.ToString();
+        }
+
+        #endregion Mode Page 0x1D: Medium Configuration Mode Page
     }
 }
 
diff --git a/DiscImageChef/ChangeLog b/DiscImageChef/ChangeLog
index bc83c942d..6185b807f 100644
--- a/DiscImageChef/ChangeLog
+++ b/DiscImageChef/ChangeLog
@@ -1,3 +1,8 @@
+2016-10-13  Natalia Portillo  <claunia@claunia.com>
+
+	* Commands/DeviceInfo.cs:
+	  Added MODE PAGE 1Dh
+
 2016-10-13  Natalia Portillo  <claunia@claunia.com>
 
 	* Commands/DeviceInfo.cs:
diff --git a/DiscImageChef/Commands/DeviceInfo.cs b/DiscImageChef/Commands/DeviceInfo.cs
index 09f40f5be..421e86c60 100644
--- a/DiscImageChef/Commands/DeviceInfo.cs
+++ b/DiscImageChef/Commands/DeviceInfo.cs
@@ -603,6 +603,15 @@ namespace DiscImageChef.Commands
                                                 else
                                                     goto default;
 
+                                                break;
+                                            }
+                                        case 0x1D:
+                                            {
+                                                if(page.Subpage == 0)
+                                                    DicConsole.WriteLine(Decoders.SCSI.Modes.PrettifyModePage_1D(page.PageResponse));
+                                                else
+                                                    goto default;
+
                                                 break;
                                             }
                                         case 0x21: