Author: tkreuzer
Date: Fri Nov 22 11:36:22 2013
New Revision: 61071
URL: http://svn.reactos.org/svn/reactos?rev=61071&view=rev
Log:
[VIDEOPRT]
Handle IOCTL_VIDEO_USE_DEVICE_IN_SESSION
Modified:
trunk/reactos/include/psdk/ntddvdeo.h
trunk/reactos/win32ss/drivers/videoprt/dispatch.c
trunk/reactos/win32ss/drivers/videoprt/videoprt.c
trunk/reactos/win32ss/drivers/videoprt/videoprt.h
Modified: trunk/reactos/include/psdk/ntddvdeo.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/include/psdk/ntddvdeo.h?rev=61071&r1=61070&r2=61071&view=diff
==============================================================================
--- trunk/reactos/include/psdk/ntddvdeo.h [iso-8859-1] (original)
+++ trunk/reactos/include/psdk/ntddvdeo.h [iso-8859-1] Fri Nov 22
11:36:22 2013
@@ -264,6 +264,11 @@
OUT HANDLE pPhysDeviceObject;
OUT ULONG DualviewFlags;
} VIDEO_WIN32K_CALLBACKS, *PVIDEO_WIN32K_CALLBACKS;
+
+typedef struct _VIDEO_DEVICE_SESSION_STATUS {
+ ULONG bEnable;
+ ULONG bSuccess;
+} VIDEO_DEVICE_SESSION_STATUS, *PVIDEO_DEVICE_SESSION_STATUS;
typedef struct _VIDEO_MEMORY {
PVOID RequestedVirtualAddress;
@@ -559,6 +564,7 @@
#define DISPLAYPOLICY_DC 0x00000002
#define DISPLAYPOLICY_BOTH 0x00000003
+
#ifdef __cplusplus
}
#endif
Modified: trunk/reactos/win32ss/drivers/videoprt/dispatch.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/drivers/videoprt/dispatch.c?rev=61071&r1=61070&r2=61071&view=diff
==============================================================================
--- trunk/reactos/win32ss/drivers/videoprt/dispatch.c [iso-8859-1] (original)
+++ trunk/reactos/win32ss/drivers/videoprt/dispatch.c [iso-8859-1] Fri Nov 22
11:36:22 2013
@@ -289,13 +289,75 @@
static
NTSTATUS
+VideoPortUseDeviceInSesion(
+ _Inout_ PDEVICE_OBJECT DeviceObject,
+ _Inout_ PVIDEO_DEVICE_SESSION_STATUS SessionState,
+ _In_ ULONG BufferLength,
+ _Out_ PULONG_PTR Information)
+{
+ PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension;
+
+ /* Check buffer size */
+ *Information = sizeof(VIDEO_DEVICE_SESSION_STATUS);
+ if (BufferLength < sizeof(VIDEO_DEVICE_SESSION_STATUS))
+ {
+ ERR_(VIDEOPRT, "Buffer too small for VIDEO_DEVICE_SESSION_STATUS:
%lx\n",
+ BufferLength);
+ return STATUS_BUFFER_TOO_SMALL;
+ }
+
+ /* Get the device extension */
+ DeviceExtension = DeviceObject->DeviceExtension;
+
+ /* Shall we enable the session? */
+ if (SessionState->bEnable)
+ {
+ /* Check if we have no session yet */
+ if (DeviceExtension->SessionId == -1)
+ {
+ /* Use this session and return success */
+ DeviceExtension->SessionId = PsGetCurrentProcessSessionId();
+ SessionState->bSuccess = TRUE;
+ }
+ else
+ {
+ ERR_(VIDEOPRT, "Requested to set session, but session is already
set to: 0x%lx",
+ DeviceExtension->SessionId);
+ SessionState->bSuccess = FALSE;
+ }
+ }
+ else
+ {
+ /* Check if we belong to the current session */
+ if (DeviceExtension->SessionId == PsGetCurrentProcessSessionId())
+ {
+ /* Reset the session and return success */
+ DeviceExtension->SessionId = -1;
+ SessionState->bSuccess = TRUE;
+ }
+ else
+ {
+ ERR_(VIDEOPRT, "Requested to reset session, but session is not
set\n");
+ SessionState->bSuccess = FALSE;
+ }
+ }
+
+ return STATUS_SUCCESS;
+}
+
+static
+NTSTATUS
VideoPortInitWin32kCallbacks(
- IN PDEVICE_OBJECT DeviceObject,
- PVIDEO_WIN32K_CALLBACKS Win32kCallbacks,
- ULONG BufferLength)
-{
+ _In_ PDEVICE_OBJECT DeviceObject,
+ _Inout_ PVIDEO_WIN32K_CALLBACKS Win32kCallbacks,
+ _In_ ULONG BufferLength,
+ _Out_ PULONG_PTR Information)
+{
+ *Information = sizeof(VIDEO_WIN32K_CALLBACKS);
if (BufferLength < sizeof(VIDEO_WIN32K_CALLBACKS))
{
+ ERR_(VIDEOPRT, "Buffer too small for VIDEO_WIN32K_CALLBACKS: %lx\n",
+ BufferLength);
return STATUS_BUFFER_TOO_SMALL;
}
@@ -401,7 +463,16 @@
INFO_(VIDEOPRT, "- IOCTL_VIDEO_INIT_WIN32K_CALLBACKS\n");
Status = VideoPortInitWin32kCallbacks(DeviceObject,
Irp->AssociatedIrp.SystemBuffer,
-
IrpStack->Parameters.DeviceIoControl.InputBufferLength);
+
IrpStack->Parameters.DeviceIoControl.InputBufferLength,
+ &Irp->IoStatus.Information);
+ break;
+
+ case IOCTL_VIDEO_USE_DEVICE_IN_SESSION:
+ INFO_(VIDEOPRT, "- IOCTL_VIDEO_USE_DEVICE_IN_SESSION\n");
+ Status = VideoPortUseDeviceInSesion(DeviceObject,
+
Irp->AssociatedIrp.SystemBuffer,
+
IrpStack->Parameters.DeviceIoControl.InputBufferLength,
+ &Irp->IoStatus.Information);
break;
default:
Modified: trunk/reactos/win32ss/drivers/videoprt/videoprt.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/drivers/videoprt/videoprt.c?rev=61071&r1=61070&r2=61071&view=diff
==============================================================================
--- trunk/reactos/win32ss/drivers/videoprt/videoprt.c [iso-8859-1] (original)
+++ trunk/reactos/win32ss/drivers/videoprt/videoprt.c [iso-8859-1] Fri Nov 22
11:36:22 2013
@@ -150,6 +150,7 @@
DeviceExtension->PhysicalDeviceObject = PhysicalDeviceObject;
DeviceExtension->FunctionalDeviceObject = *DeviceObject;
DeviceExtension->DriverExtension = DriverExtension;
+ DeviceExtension->SessionId = -1;
InitializeListHead(&DeviceExtension->ChildDeviceList);
Modified: trunk/reactos/win32ss/drivers/videoprt/videoprt.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/drivers/videoprt/videoprt.h?rev=61071&r1=61070&r2=61071&view=diff
==============================================================================
--- trunk/reactos/win32ss/drivers/videoprt/videoprt.h [iso-8859-1] (original)
+++ trunk/reactos/win32ss/drivers/videoprt/videoprt.h [iso-8859-1] Fri Nov 22
11:36:22 2013
@@ -31,6 +31,7 @@
#include <ndk/kefuncs.h>
#include <ndk/rtlfuncs.h>
#include <ndk/obfuncs.h>
+#include <ndk/psfuncs.h>
#define __BROKEN__
#include <miniport.h>
@@ -113,6 +114,7 @@
AGP_BUS_INTERFACE_STANDARD AgpInterface;
KMUTEX DeviceLock;
LIST_ENTRY DmaAdapterList, ChildDeviceList;
+ ULONG SessionId;
CHAR MiniPortDeviceExtension[1];
} VIDEO_PORT_DEVICE_EXTENSION, *PVIDEO_PORT_DEVICE_EXTENSION;
