[ekohl] 68588: [PARPORT] - Add support for IRP_MJ_READ. - IRP_MJ_READ and IRP_MJ_WRITE return STATUS_NOT_SUPPORTED for FDO devices.

Author: ekohl
Date: Sat Aug  1 18:02:45 2015
New Revision: 68588

URL: http://svn.reactos.org/svn/reactos?rev=68588&view=rev
Log:
[PARPORT]
- Add support for IRP_MJ_READ.
- IRP_MJ_READ and IRP_MJ_WRITE return STATUS_NOT_SUPPORTED for FDO devices.

Modified:
    trunk/reactos/drivers/parallel/parport/fdo.c
    trunk/reactos/drivers/parallel/parport/parport.c
    trunk/reactos/drivers/parallel/parport/parport.h
    trunk/reactos/drivers/parallel/parport/pdo.c

Modified: trunk/reactos/drivers/parallel/parport/fdo.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/parallel/parport/f…
==============================================================================
--- trunk/reactos/drivers/parallel/parport/fdo.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/parallel/parport/fdo.c	[iso-8859-1] Sat Aug  1 18:02:45 2015
@@ -473,15 +473,29 @@
 
 NTSTATUS
 NTAPI
+FdoRead(IN PDEVICE_OBJECT DeviceObject,
+        IN PIRP Irp)
+{
+    DPRINT("FdoRead()\n");
+
+    Irp->IoStatus.Information = 0;
+    Irp->IoStatus.Status = STATUS_NOT_SUPPORTED;
+    IoCompleteRequest(Irp, IO_NO_INCREMENT);
+    return STATUS_NOT_SUPPORTED;
+}
+
+
+NTSTATUS
+NTAPI
 FdoWrite(IN PDEVICE_OBJECT DeviceObject,
          IN PIRP Irp)
 {
     DPRINT("FdoWrite()\n");
 
     Irp->IoStatus.Information = 0;
-    Irp->IoStatus.Status = STATUS_SUCCESS;
+    Irp->IoStatus.Status = STATUS_NOT_SUPPORTED;
     IoCompleteRequest(Irp, IO_NO_INCREMENT);
-    return STATUS_SUCCESS;
+    return STATUS_NOT_SUPPORTED;
 }
 
 

Modified: trunk/reactos/drivers/parallel/parport/parport.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/parallel/parport/p…
==============================================================================
--- trunk/reactos/drivers/parallel/parport/parport.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/parallel/parport/parport.c	[iso-8859-1] Sat Aug  1 18:02:45
2015
@@ -68,6 +68,19 @@
 static
 NTSTATUS
 NTAPI
+DispatchRead(IN PDEVICE_OBJECT DeviceObject,
+              IN PIRP Irp)
+{
+    if (((PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->Common.IsFDO)
+        return FdoRead(DeviceObject, Irp);
+    else
+        return PdoRead(DeviceObject, Irp);
+}
+
+
+static
+NTSTATUS
+NTAPI
 DispatchWrite(IN PDEVICE_OBJECT DeviceObject,
               IN PIRP Irp)
 {
@@ -122,7 +135,7 @@
     DriverObject->MajorFunction[IRP_MJ_CREATE] = DispatchCreate;
     DriverObject->MajorFunction[IRP_MJ_CLOSE] = DispatchClose;
     DriverObject->MajorFunction[IRP_MJ_CLEANUP] = DispatchCleanup;
-//    DriverObject->MajorFunction[IRP_MJ_READ] = DispatchRead;
+    DriverObject->MajorFunction[IRP_MJ_READ] = DispatchRead;
     DriverObject->MajorFunction[IRP_MJ_WRITE] = DispatchWrite;
 //    DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = DispatchDeviceControl;
 //    DriverObject->MajorFunction[IRP_MJ_QUERY_INFORMATION] =
DispatchQueryInformation;

Modified: trunk/reactos/drivers/parallel/parport/parport.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/parallel/parport/p…
==============================================================================
--- trunk/reactos/drivers/parallel/parport/parport.h	[iso-8859-1] (original)
+++ trunk/reactos/drivers/parallel/parport/parport.h	[iso-8859-1] Sat Aug  1 18:02:45
2015
@@ -88,6 +88,11 @@
 
 NTSTATUS
 NTAPI
+FdoRead(IN PDEVICE_OBJECT DeviceObject,
+        IN PIRP Irp);
+
+NTSTATUS
+NTAPI
 FdoWrite(IN PDEVICE_OBJECT DeviceObject,
          IN PIRP Irp);
 
@@ -135,6 +140,11 @@
 
 NTSTATUS
 NTAPI
+PdoRead(IN PDEVICE_OBJECT DeviceObject,
+        IN PIRP Irp);
+
+NTSTATUS
+NTAPI
 PdoWrite(IN PDEVICE_OBJECT DeviceObject,
          IN PIRP Irp);
 

Modified: trunk/reactos/drivers/parallel/parport/pdo.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/parallel/parport/p…
==============================================================================
--- trunk/reactos/drivers/parallel/parport/pdo.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/parallel/parport/pdo.c	[iso-8859-1] Sat Aug  1 18:02:45 2015
@@ -68,6 +68,20 @@
            IN PIRP Irp)
 {
     DPRINT("PdoCleanup()\n");
+
+    Irp->IoStatus.Information = 0;
+    Irp->IoStatus.Status = STATUS_SUCCESS;
+    IoCompleteRequest(Irp, IO_NO_INCREMENT);
+    return STATUS_SUCCESS;
+}
+
+
+NTSTATUS
+NTAPI
+PdoRead(IN PDEVICE_OBJECT DeviceObject,
+        IN PIRP Irp)
+{
+    DPRINT("PdoRead()\n");
 
     Irp->IoStatus.Information = 0;
     Irp->IoStatus.Status = STATUS_SUCCESS;