[fireball] 29241: - Handle NextLuRequest and ResetDetected in ScsiPortNotification() API - Add UNIMPLEMENTED into ScsiPortGetBusData() when it's called with Length = 0. Does not happen so far, when tested with BusLogic.sys in our tree.

Author: fireball
Date: Thu Sep 27 14:04:56 2007
New Revision: 29241

URL: http://svn.reactos.org/svn/reactos?rev=29241&view=rev
Log:
- Handle NextLuRequest and ResetDetected in ScsiPortNotification() API
- Add UNIMPLEMENTED into ScsiPortGetBusData() when it's called with Length = 0. Does not happen so far, when tested with BusLogic.sys in our tree.

Modified:
    trunk/reactos/drivers/storage/scsiport/scsiport.c

Modified: trunk/reactos/drivers/storage/scsiport/scsiport.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/storage/scsiport/sc...
==============================================================================
--- trunk/reactos/drivers/storage/scsiport/scsiport.c (original)
+++ trunk/reactos/drivers/storage/scsiport/scsiport.c Thu Sep 27 14:04:56 2007
@@ -384,11 +384,20 @@
    	   IN PVOID Buffer,
    	   IN ULONG Length)
 {
-  return(HalGetBusData(BusDataType,
-		       SystemIoBusNumber,
-		       SlotNumber,
-		       Buffer,
-		       Length));
+	if (Length)
+	{
+		/* If Length is non-zero, just forward the call to
+		   HalGetBusData() function */
+		return HalGetBusData(BusDataType,
+		                     SystemIoBusNumber,
+		                     SlotNumber,
+		                     Buffer,
+		                    Length);
+	}
+
+	/* We have a more complex case here */
+	UNIMPLEMENTED;
+	return 0;
 }

@@ -1812,40 +1821,56 @@
         DeviceExtension->InterruptData.Flags |= SCSI_PORT_NEXT_REQUEST_READY;
         break;

-      case NextLuRequest:
-	{
-	  UCHAR PathId;
-	  UCHAR TargetId;
-	  UCHAR Lun;
-
-	  PathId = (UCHAR) va_arg (ap, int);
-	  TargetId = (UCHAR) va_arg (ap, int);
-	  Lun = (UCHAR) va_arg (ap, int);
-
-	  DPRINT1 ("Notify: NextLuRequest(PathId %u  TargetId %u  Lun %u)\n",
-		   PathId, TargetId, Lun);
-	  /* FIXME: Implement it! */
-          ASSERT(FALSE);
-
-//	  DeviceExtension->IrpFlags |= IRP_FLAG_NEXT;
-//	  DeviceExtension->IrpFlags |= IRP_FLAG_NEXT_LU;
-
-	  /* Hack! */
-//	  DeviceExtension->IrpFlags |= IRP_FLAG_NEXT;
-	}
-	break;
+    case NextLuRequest:
+        {
+            UCHAR PathId;
+            UCHAR TargetId;
+            UCHAR Lun;
+            PSCSI_PORT_LUN_EXTENSION LunExtension;
+
+            PathId = (UCHAR) va_arg (ap, int);
+            TargetId = (UCHAR) va_arg (ap, int);
+            Lun = (UCHAR) va_arg (ap, int);
+
+            DPRINT("Notify: NextLuRequest(PathId %u  TargetId %u  Lun %u)\n",
+                PathId, TargetId, Lun);
+
+            /* Mark it in the flags field */
+            DeviceExtension->InterruptData.Flags |= SCSI_PORT_NEXT_REQUEST_READY;
+
+            /* Get the LUN extension */
+            LunExtension = SpiGetLunExtension(DeviceExtension,
+                                              PathId,
+                                              TargetId,
+                                              Lun);
+
+            /* This request should not be processed if */
+            if ((LunExtension && LunExtension->ReadyLun) ||
+                (LunExtension && LunExtension->SrbInfo.Srb))
+            {
+                /* Nothing to do here */
+                break;
+            }
+
+            /* Add this LUN to the list */
+            LunExtension->ReadyLun = DeviceExtension->InterruptData.ReadyLun;
+            DeviceExtension->InterruptData.ReadyLun = LunExtension;
+          }
+          break;

case ResetDetected:
-	DPRINT1("Notify: ResetDetected\n");
-	/* FIXME: ??? */
-	break;
+          DPRINT("Notify: ResetDetected\n");
+          /* Add RESET flags */
+          DeviceExtension->InterruptData.Flags |=
+                SCSI_PORT_RESET | SCSI_PORT_RESET_REPORTED;
+          break;

default:
    DPRINT1 ("Unsupported notification %lu\n", NotificationType);
    break;
     }

-  va_end(ap);
+    va_end(ap);

/* Request a DPC after we're done with the interrupt */
     DeviceExtension->InterruptData.Flags |= SCSI_PORT_NOTIFICATION_NEEDED;